CN103244773A - Quick connector for gas conveying bellows - Google Patents
Quick connector for gas conveying bellows Download PDFInfo
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- CN103244773A CN103244773A CN2013101847909A CN201310184790A CN103244773A CN 103244773 A CN103244773 A CN 103244773A CN 2013101847909 A CN2013101847909 A CN 2013101847909A CN 201310184790 A CN201310184790 A CN 201310184790A CN 103244773 A CN103244773 A CN 103244773A
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- bellows
- positioning ring
- seal
- seal washer
- connecting head
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Abstract
The invention provides a quick connector for a gas conveying bellows and belongs to the technical field of connectors. The quick connector solves the problem that an existing quick connector easily causes gas leakage in use. The quick connector comprises a barrel-shaped connecting head. In installation, a sealing washer is sleeved at the end of the bellows. A locating ring, a safety buckle and a locking nut are further sequentially sleeved on the bellows on one side of the sealing washer. The locating ring can be axially fixedly connected with the bellows, one end of the locating ring abuts against one end of the sealing washer, the safety buckle is barrel-shaped and is sleeved at the other end of the locating ring, a clamping part is arranged on an outer side wall of the safety buckle, an annular groove is arranged on an inner wall of the connecting head, and the clamping part is embedded in the annular groove when the locking nut is connected with the connecting head. After the quick connector is installed, one end of the bellows is always kept in a sealed state, and the bellows is good in safety and sealing effect. In addition, a casing of the quick connector is insulated with a bellows body, and the quick connector is safe to use.
Description
Technical field
The invention belongs to the joint technical field, relate to a kind of rapid pipe joint, particularly a kind of combustion gas is carried and is used quick joint of corrugated pipe.
Background technique
In the process of using combustion gas, often gas pipeline need be dismantled and is connected.In order to realize that gas pipeline connects and rapidity and the Security of disassembling section, people have designed the rapid pipe joint that some combustion gas are used.
A kind of quick joint of corrugated pipe for gas [the application number: 200910306719.7 that openly proposes as the Chinese patent literature data; Notice of authorization number: CN101649937B], comprise bellows, locking nut and the joint with attachment hole, be arranged with seal washer and the gripping sleeve that can be buckled in the bellows trough on the bellows, one end of bellows interted above-mentioned gripping sleeve and seal washer successively and extend in the attachment hole of joint, the outer end of seal washer is resisted against on the gripping sleeve, locking nut one end is bolted in the outside of joint, the other end is limited on the outer circumferential face of gripping sleeve by a limit structure, the inwall of attachment hole is provided with step one, the inner of seal washer is provided with inclined-plane and this inclined-plane and can extend in the attachment hole and be resisted against on the above-mentioned step one, and the outer circumferential face of seal washer is provided with annular groove; The inwall of gripping sleeve is provided with several to projecting inward pressure ring, and pressure ring can be buckled in the trough of bellows, and its inner inclined-plane just was positioned on the crest of bellows when seal washer was resisted against gripping sleeve when its outer end; Limit structure comprise on locking nut one end to projecting inward retaining along one and gripping sleeve its be resisted against the retaining that outwards protrudes on that end of seal washer along two, retaining can block retaining along two along one.
Good airproof performance after the above-mentioned rapid pipe joint installation, and its installation rate is fast.But in the middle of the using process of reality, some user can forget because of carelessness locking nut and joint are locked mutually, causes combustion gas to be revealed, and is comparatively dangerous.So there is certain potential safety hazard in this rapid pipe joint.
Summary of the invention
The objective of the invention is to have the problems referred to above at existing technology, proposed the higher combustion gas conveying quick joint of corrugated pipe of a kind of Security in use.
Purpose of the present invention can realize by following technical proposal: a kind of combustion gas is carried and is used quick joint of corrugated pipe, comprise tubular connecting head and be used for being set in the seal washer of the end of bellows, it is characterized in that, a side that is positioned at described seal washer also is provided with successively be used to the positioning ring that is set on the bellows, safe buckle, locking nut, described positioning ring can axially be connected on the bellows, one end of described positioning ring is resisted against an end of seal washer, described safe buckle is tubular and is set in the other end of described positioning ring, the outer side wall of described safe buckle is provided with the inserted part, the inwall of described connecting head is provided with annular groove, and described inserted part is embedded in the described annular groove when described locking nut links to each other with described connecting head.
In use, the outside of bellows is coated with plastic sheath, and plastic sheath extends to the inboard of locking nut, that is to say, is positioned on the bellows of safe buckle, positioning ring and seal washer inboard not to be coated with plastic sheath.After positioning ring is installed on the bellows, on the ripple that is stuck in bellows that positioning ring is firm, axially be connected between they the two.In addition, the safety card retaining ring is established and is resisted against on the end of positioning ring.When connecting head be connected with locking nut finish after, lean successively between locking nut, safe buckle, positioning ring and the seal washer, seal washer is squeezed, and can play seal action between bellows and connecting head.
In locking nut and process that connecting head is threaded, it is close to the annular groove of connecting head to be positioned at the inserted part that safety card buckles.In this process, the inserted part is subjected to the extrusion-deformation of connecting head inwall, and after locking nut and connecting head were locked mutually, the inserted part just can embed in the annular groove.Like this, because safety card is buckled the setting of inserted part, after the inserted part is embedded in the annular groove in the connecting head, just locate mutually between bellows, safe buckle, positioning ring, seal washer and the connecting head, even locking nut is disassembled from connecting head, still can stable maintenance lean between safe buckle, positioning ring, seal washer and the connecting head, that is to say, seal washer still can play seal action between an end of bellows and connecting head, guaranteed this rapid pipe joint Security in use.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described inserted part is located at the annular convex one that described safety card is buckled for ring, and described annular convex one has guide surface one near a side of positioning ring.That is to say, the external diameter of an end of close seal washer is littler than the external diameter of the other end of annular convex one on the annular convex one, like this, because the setting of guide surface one on the annular convex one, the annular convex that safety card is buckled is in the annular groove that can embed in the connecting head along guide surface one.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described inserted part is that some rings are located at the plush copper on the described safe buckle outer side wall, and described plush copper all has guide surface one near a side of positioning ring.That is to say that on plush copper, an end of close seal washer is than the axis of the more close safe buckle of its other end.Identical with the principle of annular convex one, guide surface one is set, during the plush copper that safety card is buckled just can embed annular groove in the connecting head along guide surface one on the plush copper.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described seal washer has the annular convex two that protrudes from described seal washer inwall away from an end of positioning ring, have in the described connecting head with seal washer on the step one that is complementary away from the shape of an end of positioning ring, the outer side surface of described annular convex two is resisted against on the described step one.After the installation, the inner side surface of the annular convex two of seal washer is resisted against on the end face of bellows.The rapid pipe joint of mentioning in the background technique, in this rapid pipe joint, because the setting of annular convex two, the sealing effect that seal washer plays between bellows and connecting head is better.This be because, the rapid pipe joint in background technique, its seal washer mainly is subjected to the extruding of its gripping sleeve and its seal washer is resisted against on its step one; And in this rapid pipe joint, seal washer not only has been subjected to the extruding of positioning ring and connecting head, and, one end of bellows has also played squeezing action to seal washer, it is bigger to add the inner contacted area of seal washer and connecting head, and the sealing effect that makes seal washer play between bellows and connecting head is better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, being provided with guide surface two and described inserted part in the described connecting head can slide in the described annular groove along described guide surface two.Guide surface two is the conical surface, that is to say, the internal diameter away from an end of locking nut on the guide surface is littler than the internal diameter of the other end, and like this, the inserted part that safety card is buckled can more be easy to be embedded in the annular groove.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described seal washer is provided with conical surface one away from the end outside of positioning ring and described conical surface one connects the outside end face of described annular convex two and the outer side wall of described seal washer respectively.Relevant position in connecting head is provided with the conical surface two that is complementary with conical surface one, and after the installation, the conical surface one of seal washer is resisted against on the conical surface two of connecting head, adds annular convex two and leans with step one, and its sealing effect is better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described safe buckle has some distortion grooves near an end of described locking nut, and described distortion groove evenly distributes centered by the axis of described safe buckle.The distortion groove extends on the inserted part from an end of safe buckle.Buckle at safety card the distortion groove is set, be beneficial to safety card and be buckled in distortion in the process that embeds in the annular groove.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described positioning ring comprises and is symmetrically arranged lobe body one and lobe body two, have the curve bath that the crest with bellows is complementary on the madial wall of described lobe body one and lobe body two, and described lobe body one when linking to each other with lobe body two crest of bellows be positioned at the curve bath of described lobe body one and described lobe body two.In the process of producing positioning ring, can select to keep lobe body one and lobe body two to be always one, and between lobe body one and lobe body two, keep less connecting body.When using this rapid pipe joint, only positioning ring need be broken off with the fingers and thumb disconnectedly from connecting body, again lobe body one and lobe body two are buckled on the crest of bellows.End near locking nut on positioning ring has ring-shaped step, ring-shaped step is resisted against safe buckle inboard, the safety card retaining ring is located on the positioning ring, lobe body one and lobe body two are linked together, be difficult for coming off from bellows, make things convenient for the installation of this rapid pipe joint, also guaranteed connection stability between positioning ring and the bellows simultaneously.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described seal washer is provided with the annular seal that protrudes from described seal washer outer side wall near the outer side wall of an end of positioning ring, and described annular seal and the coaxial setting of described seal washer.Relevant position in connecting head arranges step two, and the profile of annular seal is complementary on the shape of step two and the seal washer.After the installation, annular seal and step two be complementary and against, the sealing effect that seal washer is played between bellows and connecting head is better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, the outer side wall of described seal washer is provided with circular groove and described circular groove is coaxial setting with described seal washer, and described circular groove is positioned at described annular seal away from the sidepiece of positioning ring one end.In the process of installing, seal washer is squeezed, and the space of its circular groove is changed.According to the difference of the degree of being squeezed, the degree of the distortion of circular groove is also different, so just can regulate the shape of seal washer automatically, and the sealing effect that seal washer is played between bellows and connecting head is better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, be provided with seal ring between described locking nut and the described connecting head.Seal ring is set, makes the sealing effect between locking nut and the connecting head better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, the inwall of described locking nut is provided with annular seal groove, is provided with seal ring in the described annular seal groove, and the outer side wall of described seal ring is resisted against on the inwall of described annular seal groove.During installation, the madial wall of seal ring is resisted against on the outer side wall of bellows.Because locking nut is set on the bellows, the bellows that is positioned at locking nut inside has plastic sheath, if seal ring is not set, has certain clearance between locking nut and the plastic sheath.Seal ring is set, makes the sealing effect between locking nut and the plastic sheath better.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, the inwall of described seal ring is equipped with some annular convex three, described annular convex three all with the coaxial setting of described seal ring.When mounted, the annular convex in the seal ring three all is resisted against on the outer side wall of bellows.After locking nut was set on the bellows, owing to be provided with some annular convex three on the seal ring, seal ring can play sealing effect between locking nut and bellows.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, described safe buckle is insulating material, and described positioning ring is that metallic material and its external diameter are littler than the internal diameter of relevant position on the connecting head.Because the safety card retaining ring is located on the positioning ring, after the installation, location mutually between safe buckle and the bellows, make between positioning ring and the connecting head and remained certain clearance, adding connecting head does not directly contact with the metal body of bellows with locking nut, like this, even charged on the metal body of bellows, the connecting head and the locking nut that are in ragged edge also can insulate with the metal body of bellows.
Carry with in the quick joint of corrugated pipe in above-mentioned combustion gas, offer inspection hole on the described connecting head.End near locking nut on connecting head is offered an inspection hole, makes things convenient for the inspector that the Security of this rapid pipe joint is tested.
Compared with prior art, this rapid pipe joint has the following advantages:
1, sheathed safe buckle and positioning ring on bellows, after installation, inserted part that safety card is buckled embeds in the annular groove of connecting head, at this moment, even forget locking nut and connecting head are locked mutually, also can not cause the combustion gas leakage, and its Security is better;
2, on seal washer away from the radially inwardly protruded annular convex two of an end setting of positioning ring, and the step one that the profile that shape and annular convex are set in the connecting head relevant position is complementary, the end of bellows is resisted against on the annular convex two inboard towards positioning ring, therefore with seal washer and connecting head closely against, its sealing effect is better;
3, the external diameter of positioning ring is littler than the internal diameter of relevant position on the connecting head, and all be the insulation relation between other parts of rapid pipe joint and the bellows, even charged on the metal body of bellows, also to insulate mutually with bellows on connecting head and the locking nut, its Security is better.
Description of drawings
Fig. 1 is the sectional view of this rapid pipe joint;
Fig. 2 is the sectional view of this rapid pipe joint explosive view;
Fig. 3 is the perspective view of safe buckle in this rapid pipe joint;
Fig. 4 is the sectional view of this rapid pipe joint when being installed on the bellows.
Among the figure, 1, connecting head; 1a, annular groove; 1b, step one; 1c, guide surface two; 1d, conical surface two; 1e, step two; 2, seal washer; 2a, annular convex two; 2b, conical surface one; 2c, annular seal; 2d, circular groove; 3, positioning ring; 3a, curve bath; 3b, ring-shaped step; 4, safe buckle; 4a, annular convex one; 4b, guide surface one; 4c, distortion groove; 5, locking nut; 5a, annular seal groove; 6, seal ring; 7, seal ring; 7a, annular convex three; 8, bellows.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As depicted in figs. 1 and 2, a kind of combustion gas is carried and is used quick joint of corrugated pipe, comprise tubular connecting head 1, during installation, seal washer 2 is set in the end of bellows 8, on the bellows 8 and a side that is positioned at seal washer 2 also be arranged with positioning ring 3, safe buckle 4, locking nut 5 successively, and between locking nut 5 and connecting head 1, be provided with seal ring 6, be provided with seal ring 7 between locking nut 5 and the bellows 8.
The outside of bellows 8 is coated with plastic sheath, and plastic sheath extends to the inboard of locking nut 5, that is to say, is positioned on the bellows 8 of safe buckle 4, positioning ring 3 and seal washer 2 inboards not to be coated with plastic sheath.
Wherein, the end away from locking nut 5 on the connecting head 1 is provided with outside thread, be used for connecting other parts, and the end near locking nut 5 offers an inspection hole on connecting head 1.Connecting head 1 is all made by copper product with locking nut 5, links to each other by screw thread between they the two.
The outer side wall of one end of the close positioning ring 3 of seal washer 2 is provided with the annular seal 2c that protrudes from seal washer 2 outer side walls, and annular seal 2c and seal washer 2 coaxial settings.Relevant position in connecting head 1 arranges step two 1e, and the profile of annular seal 2c is complementary on the shape of step two 1e and the seal washer 2.After the installation, annular seal 2c and step two 1e be complementary and against.The outer side wall of seal washer 2 is provided with circular groove 2d and circular groove 2d is coaxial setting with seal washer 2, and circular groove 2d is positioned at annular seal 2c away from the sidepiece of positioning ring 3 one ends.
The material of positioning ring 3 is copper, and its external diameter is littler than the internal diameter of relevant position on the connecting head 1.Positioning ring 3 comprises and is symmetrically arranged lobe body one and lobe body two, have the curve bath 3a that the crest with bellows 8 is complementary on the madial wall of lobe body one and lobe body two, and lobe body one when linking to each other with lobe body two crest of bellows 8 be positioned at the curve bath 3a of lobe body one and lobe body two.In the process of producing positioning ring 3, lobe body one and lobe body two are always one, and keep less connecting body between lobe body one and lobe body two.When using this rapid pipe joint, only positioning ring 3 need be broken off with the fingers and thumb disconnectedly from connecting body, again lobe body one and lobe body two are buckled on the crest of bellows 8.End near locking nut 5 on positioning ring 3 has ring-shaped step 3b, ring-shaped step 3b is resisted against safe buckle 4 inboards, safe buckle 4 is set on the positioning ring 3, lobe body one and lobe body two are linked together, make things convenient for the installation of this rapid pipe joint, also guaranteed connection stability between positioning ring 3 and the bellows 8 simultaneously.
Such structure can make positioning ring 3 and bellows 8 axially be connected, and an end of positioning ring 3 is resisted against an end of seal washer 2.After positioning ring 3 is installed on the bellows 8, on the firm ripple that is stuck in bellows 8 of positioning ring 3.
As shown in Figure 3, the shape of safe buckle 4 is tubular.Safe buckle 4 is set in the end away from seal washer 2 of positioning ring 3.As another kind of scheme, safe buckle 4 inside have step, and positioning ring 3 is in safe buckle 4 inside and locatees 3 and encircle on the step that is resisted against in the safe buckle 4.The outer side wall of safe buckle 4 is provided with the inserted part, and the inwall of connecting head 1 is provided with annular groove 1a, and the inserted part is embedded in the annular groove 1a when locking nut 5 links to each other with connecting head 1.
Safe buckle 4 is made by poly-methyl alcohol material.The concrete structure of inserted part is for encircling annular convex one 4a that is located on the safe buckle 4, and annular convex one 4a has guide surface one 4b near a side of positioning ring 3.That is to say, annular convex one 4a goes up near the external diameter of an end of seal washer 2 littler than the external diameter of the other end of annular convex one 4a, like this, because annular convex one 4a goes up the setting of guide surface one 4b, annular convex one 4a on the safe buckle 4 just can embed among the interior annular groove 1a of connecting head 1 along guide surface one 4b.
As another kind of scheme, the inserted part also can be 8 rings and is located at plush copper on safe buckle 4 outer side walls, and plush copper is evenly distributed on the outer surface of safe buckle 4 centered by the axis of safe buckle 4, and plush copper all has guide surface one 4b near a side of positioning ring 3.That is to say that on plush copper, an end of close seal washer 2 is than the axis of the more close safe buckle 4 of its other end.Identical with the principle of annular convex one 4a, the setting of guide surface one 4b on the plush copper is during the plush copper on the safe buckle 4 just can embed annular groove 1a in the connecting head 1 along guide surface one 4b.
In addition, safe buckle 4 has 4 distortion groove 4c near an end of locking nut 5, and the position of distortion groove 4c extends on the inserted part from an end of safe buckle 4.Distortion groove 4c evenly distributes centered by the axis of safe buckle 4.
Being provided with guide surface two 1c and inserted part in the connecting head 1 can slide in the annular groove 1a along guide surface two 1c.Guide surface two 1c are the conical surface, that is to say, the internal diameter away from an end of locking nut 5 on the guide surface is littler than the internal diameter of the other end, like this, just can make the inserted part on the safe buckle 4 more be easy to be embedded in the annular groove 1a.
Be provided with seal ring 6 between locking nut 5 and the connecting head 1.The inwall of locking nut 5 is provided with annular seal groove 5a, is provided with seal ring 7 in the annular seal groove 5a, and the outer side wall of seal ring 7 is resisted against on the inwall of annular seal groove 5a, and the madial wall of seal ring 7 is resisted against on the outer side wall of bellows 8.
The inwall of seal ring 7 is equipped with two annular convex three 7a, annular convex three 7a all with seal ring 7 coaxial settings, annular convex three 7a all are resisted against on the outer side wall of bellows 8.
Now the installation process with this rapid pipe joint is described below:
At first locking nut 5 is set on the bellows 8, annular convex three 7a on the seal ring 7 are resisted against on the plastic sheath of bellows 8.Again safe buckle 4 is set on the bellows 8.Thereafter, positioning ring 3 broken into two with one's hands becomes lobe body one and lobe body two, and lobe body one and lobe body two are fastened on the crest of bellows 8, with safe buckle 4 lobe body one and lobe body two covers is set as an integral body again.Then, again seal washer 2 is enclosed within the end of bellows 8.
In this rapid pipe joint, seal washer 2 not only has been subjected to the extruding of positioning ring 3 and connecting head 1, and an end of bellows 8 has also played squeezing action to seal washer 2, and the sealing effect that makes seal washer 2 play between bellows 8 and connecting head 1 is better.
In the process of installing, seal washer 2 is squeezed, and the space of its circular groove 2d is changed.According to the difference of the degree of being squeezed, the degree of the distortion of circular groove 2d is also different, so just can regulate the shape of seal washer 2 automatically, and the sealing effect that seal washer 2 is played between bellows 8 and connecting head 1 is better.
After the installation, conical surface one 2b on the seal washer 2 is resisted against on conical surface two 1d in the connecting head 1.Add annular convex two 2a on the seal washer 2 and step one 1b in the connecting head 1 and lean, its sealing effect is better.
In addition, safe buckle 4 is sheathed and be resisted against on the end of positioning ring 3, and like this, when mounted, the positioning ring 3 of dimidiation just is difficult for coming off from bellows 8, and it is comparatively convenient to install.When connecting head 1 be connected with locking nut 5 finish after, lean successively between locking nut 5, safe buckle 4, positioning ring 3 and the seal washer 2, seal washer 2 is squeezed, and can play seal action between bellows 8 and connecting head 1.
Because safe buckle 4 is set on the positioning ring 3, the external diameter of positioning ring 3 is than the internal diameter of relevant position on the connecting head 1, after the installation, remained certain clearance between positioning ring 3 and the connecting head 1, adding connecting head 1 does not directly contact with the metal body of bellows 8 with locking nut 5, like this, even charged on the metal body of bellows 8, also can insulate with the metal body of bellows 8 as the connecting head 1 that is in ragged edge and locking nut 5.
In locking nut 5 and process that connecting head 1 is threaded, the inserted part that is positioned on the safe buckle 4 is close to the annular groove 1a of connecting head 1.In this process, the inserted part, just guide surface one 4b on annular convex one 4a is subjected to the extrusion-deformation of guide surface two 1c in the connecting head 1, and after locking nut 5 and connecting head 1 were locked mutually, the inserted part just can embed in the annular groove 1a.Like this, because the setting of inserted part on the safe buckle 4, after the inserted part is embedded in the annular groove 1a in the connecting head 1, just locate mutually between safe buckle 4, positioning ring 3, seal washer 2 and the connecting head 1, even locking nut 5 is disassembled from connecting head 1, still can stable maintenance lean between safe buckle 4, positioning ring 3, seal washer 2 and the connecting head 1, that is to say, seal washer 2 still can play seal action between an end of bellows 8 and connecting head 1, guaranteed this rapid pipe joint Security in use.In addition, at safe buckle 4 distortion groove 4c is set, more is conducive to the distortion in the process of safe buckle 4 in embedding annular groove 1a.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as connecting head 1, annular groove 1a, step one 1b, guide surface two 1c, conical surface two 1d, step two 1e, seal washer 2, annular convex two 2a, conical surface one 2b, annular seal 2c, circular groove 2d3, positioning ring 3, curve bath 3a, ring-shaped step 3b, safe buckle 4, annular convex one 4a, guide surface one 4b, distortion groove 4c, locking nut 5, annular seal groove 5a, seal ring 6, seal ring 7, annular convex three 7a, bellows 8 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (10)
1. a combustion gas is carried and is used quick joint of corrugated pipe, comprise tubular connecting head (1) and be used for being set in the seal washer (2) of the end of bellows, it is characterized in that, a side that is positioned at described seal washer (2) also is provided with successively be used to the positioning ring (3) that is set on the bellows, safe buckle (4), locking nut (5), described positioning ring (3) can axially be connected on the bellows, one end of described positioning ring (3) is resisted against an end of seal washer (2), described safe buckle (4) is tubular and is set in the other end of described positioning ring (3), the outer side wall of described safe buckle (4) is provided with the inserted part, the inwall of described connecting head (1) is provided with annular groove (1a), and is embedded in the described annular groove (1a) described inserted part when linking to each other with described connecting head (1) when described locking nut (5).
2. combustion gas according to claim 1 is carried and is used quick joint of corrugated pipe, described inserted part is for encircling the annular convex one (4a) that is located on the described safe buckle (4), and described annular convex one (4a) has guide surface one (4b) near a side of positioning ring (3).
3. to carry and use quick joint of corrugated pipe, described inserted part be that some rings are located at the plush copper on described safe buckle (4) outer side wall for combustion gas according to claim 1, and a side of the close positioning ring (3) of described plush copper all has guide surface one (4b).
4. according to claim 1 or 2 or 3 described combustion gas conveying quick joint of corrugated pipe, described seal washer (2) has the annular convex two (2a) that protrudes from described seal washer (2) inwall away from an end of positioning ring (3), have in the described connecting head (1) with seal washer (2) and go up the step one (1b) that the shape away from an end of positioning ring (3) is complementary, the outer side surface of described annular convex two (2a) is resisted against on the described step one (1b).
5. use quick joint of corrugated pipe according to claim 1 or 2 or 3 described combustion gas conveyings, being provided with guide surface two (1c) and described inserted part in the described connecting head (1) can slide in the described annular groove (1a) along described guide surface two (1c).
6. combustion gas according to claim 4 is carried and use quick joint of corrugated pipe, is provided with conical surface one (2b) outside the end of described seal washer (2) away from positioning ring (3) and described conical surface one (2b) connects the outside end face of described annular convex two (2a) and the outer side wall of described seal washer (2) respectively.
7. according to claim 1 or 2 or 3 or 6 described combustion gas conveying quick joint of corrugated pipe, described positioning ring (3) comprises and is symmetrically arranged lobe body one and lobe body two, have the curve bath (3a) that the crest with bellows is complementary on the madial wall of described lobe body one and lobe body two, and described lobe body one when linking to each other with lobe body two crest of bellows be positioned at the curve bath (3a) of described lobe body one and described lobe body two.
8. according to claim 1 or 2 or 3 or 6 described combustion gas conveying quick joint of corrugated pipe, described seal washer (2) is provided with the annular seal (2c) that protrudes from described seal washer (2) outer side wall near the outer side wall of an end of positioning ring (3), and described annular seal (2c) and the coaxial setting of described seal washer (2), the outer side wall of described seal washer (2) is provided with circular groove (2d) and described circular groove (2d) is coaxial setting with described seal washer (2), and described circular groove (2d) is positioned at described annular seal (2c) away from the sidepiece of positioning ring (3) one ends.
9. according to claim 1 or 2 or 3 or 6 described combustion gas conveying quick joint of corrugated pipe, the inwall of described locking nut (5) is provided with annular seal groove (5a), be provided with seal ring (7) in the described annular seal groove (5a), the outer side wall of described seal ring (7) is resisted against on the inwall of described annular seal groove (5a), the inwall of described seal ring (7) is equipped with some annular convex three (7a), described annular convex three (7a) all with the coaxial setting of described seal ring (7).
10. use quick joint of corrugated pipe according to claim 1 or 2 or 3 or 6 described combustion gas conveyings, described safe buckle (4) is insulating material, and described positioning ring (3) is that metallic material and its external diameter are littler than the internal diameter of the last relevant position of connecting head (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184790.9A CN103244773B (en) | 2013-05-17 | 2013-05-17 | Quick connector for gas conveying bellows |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184790.9A CN103244773B (en) | 2013-05-17 | 2013-05-17 | Quick connector for gas conveying bellows |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103244773A true CN103244773A (en) | 2013-08-14 |
| CN103244773B CN103244773B (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310184790.9A Active CN103244773B (en) | 2013-05-17 | 2013-05-17 | Quick connector for gas conveying bellows |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180101A (en) * | 2014-07-29 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Connection structure for bleeding device and gas pipeline |
| CN104197135A (en) * | 2014-09-02 | 2014-12-10 | 杭州万全金属软管有限公司 | Corrugated stainless steel hose direct connection pipe fitting for gas delivery |
| CN105020513A (en) * | 2014-04-17 | 2015-11-04 | 虞建永 | Stainless steel corrugated pipe quick connector |
| CN105757370A (en) * | 2016-03-21 | 2016-07-13 | 哈尔滨飞机工业集团有限责任公司 | Method for connecting guide pipe and equipment |
| CN106144599A (en) * | 2016-06-17 | 2016-11-23 | 华南理工大学 | The grip device of a kind of open column shape body and leak hunting method thereof |
| CN107504305A (en) * | 2017-08-21 | 2017-12-22 | 朱德清 | A kind of snap joint for gas pipe leading in user room road |
| CN107725861A (en) * | 2017-11-10 | 2018-02-23 | 广东汉特科技有限公司 | A kind of angle valve with snap joint |
| CN108150750A (en) * | 2017-12-27 | 2018-06-12 | 浙江圣字管业股份有限公司 | A kind of gas appliance connection stainless steel corrugated flexible hose |
| CN108302266A (en) * | 2018-03-27 | 2018-07-20 | 日丰企业（佛山）有限公司 | Corrugated flexible hose connector and corrugated flexible hose component |
| CN108443613A (en) * | 2018-04-23 | 2018-08-24 | 浙江想能睡眠科技股份有限公司 | A kind of airtight inflatable interface of fast insert-pull of soft or hard adjustable bed mattess |
| CN109595416A (en) * | 2019-01-21 | 2019-04-09 | 叶秋晨 | A kind of gas pipeline socket and plug and attachment device |
| CN109882674A (en) * | 2019-03-28 | 2019-06-14 | 浙江海洋大学 | A kind of water tubular union |
| CN111810738A (en) * | 2020-06-23 | 2020-10-23 | 肖云东 | Sealed oil pipe short circuit of detaining |
| CN112127119A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔洗衣机有限公司 | A clothing processing agent input subassembly and clothing processing apparatus for clothing processing apparatus |
| CN112127115A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔洗衣机有限公司 | A clothing processing agent input subassembly and clothing processing apparatus for clothing processing apparatus |
| CN112393038A (en) * | 2019-08-14 | 2021-02-23 | 德尔塔阀门公司 | Ferrule adapter and fluid coupling |
| CN113028185A (en) * | 2019-12-09 | 2021-06-25 | 株式会社普朗帕斯特 | Damage-proof device for clamping ring of polybutylene joint pipe for plastic pipe |
| CN113284743A (en) * | 2021-05-24 | 2021-08-20 | 广东电网有限责任公司 | Take totally enclosed auxiliary switch of waterproof terminal |
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| US7530606B1 (en) * | 2008-01-04 | 2009-05-12 | Richard Yang | Quick pipe connector |
| CN201651628U (en) * | 2010-04-18 | 2010-11-24 | 王靖崇 | Corrugated pipe rapid coupling with leak detection and used for fuel gas |
| CN203309425U (en) * | 2013-05-17 | 2013-11-27 | 林仁国 | Corrugated pipe quick connector for fuel gas conveying |
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| US5441312A (en) * | 1993-10-01 | 1995-08-15 | Hitachi Metals, Ltd. | Pipe joint for connection of corrugated tube |
| US7530606B1 (en) * | 2008-01-04 | 2009-05-12 | Richard Yang | Quick pipe connector |
| CN201651628U (en) * | 2010-04-18 | 2010-11-24 | 王靖崇 | Corrugated pipe rapid coupling with leak detection and used for fuel gas |
| CN203309425U (en) * | 2013-05-17 | 2013-11-27 | 林仁国 | Corrugated pipe quick connector for fuel gas conveying |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020513A (en) * | 2014-04-17 | 2015-11-04 | 虞建永 | Stainless steel corrugated pipe quick connector |
| CN104180101A (en) * | 2014-07-29 | 2014-12-03 | 成都国光电子仪表有限责任公司 | Connection structure for bleeding device and gas pipeline |
| CN104197135A (en) * | 2014-09-02 | 2014-12-10 | 杭州万全金属软管有限公司 | Corrugated stainless steel hose direct connection pipe fitting for gas delivery |
| CN105757370A (en) * | 2016-03-21 | 2016-07-13 | 哈尔滨飞机工业集团有限责任公司 | Method for connecting guide pipe and equipment |
| CN106144599A (en) * | 2016-06-17 | 2016-11-23 | 华南理工大学 | The grip device of a kind of open column shape body and leak hunting method thereof |
| CN107504305A (en) * | 2017-08-21 | 2017-12-22 | 朱德清 | A kind of snap joint for gas pipe leading in user room road |
| CN107725861A (en) * | 2017-11-10 | 2018-02-23 | 广东汉特科技有限公司 | A kind of angle valve with snap joint |
| CN108150750B (en) * | 2017-12-27 | 2019-11-12 | 浙江圣字管业股份有限公司 | A kind of gas appliance connection stainless steel corrugated flexible hose |
| CN108150750A (en) * | 2017-12-27 | 2018-06-12 | 浙江圣字管业股份有限公司 | A kind of gas appliance connection stainless steel corrugated flexible hose |
| CN108302266A (en) * | 2018-03-27 | 2018-07-20 | 日丰企业（佛山）有限公司 | Corrugated flexible hose connector and corrugated flexible hose component |
| CN108443613A (en) * | 2018-04-23 | 2018-08-24 | 浙江想能睡眠科技股份有限公司 | A kind of airtight inflatable interface of fast insert-pull of soft or hard adjustable bed mattess |
| CN109595416B (en) * | 2019-01-21 | 2023-10-20 | 成都众远管业有限公司 | Socket and plug for gas pipeline and connecting device |
| CN109595416A (en) * | 2019-01-21 | 2019-04-09 | 叶秋晨 | A kind of gas pipeline socket and plug and attachment device |
| CN109882674A (en) * | 2019-03-28 | 2019-06-14 | 浙江海洋大学 | A kind of water tubular union |
| CN109882674B (en) * | 2019-03-28 | 2024-02-23 | 浙江海洋大学 | Water pipe connecting piece |
| CN112127119A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔洗衣机有限公司 | A clothing processing agent input subassembly and clothing processing apparatus for clothing processing apparatus |
| CN112127115A (en) * | 2019-06-25 | 2020-12-25 | 青岛海尔洗衣机有限公司 | A clothing processing agent input subassembly and clothing processing apparatus for clothing processing apparatus |
| CN112393038A (en) * | 2019-08-14 | 2021-02-23 | 德尔塔阀门公司 | Ferrule adapter and fluid coupling |
| US11635158B2 (en) | 2019-08-14 | 2023-04-25 | Delta Faucet Company | Compression ferrule adapter |
| CN112393038B (en) * | 2019-08-14 | 2023-08-25 | 德尔塔阀门公司 | Ferrule adapter and fluid coupling |
| CN113028185A (en) * | 2019-12-09 | 2021-06-25 | 株式会社普朗帕斯特 | Damage-proof device for clamping ring of polybutylene joint pipe for plastic pipe |
| CN111810738A (en) * | 2020-06-23 | 2020-10-23 | 肖云东 | Sealed oil pipe short circuit of detaining |
| CN113284743A (en) * | 2021-05-24 | 2021-08-20 | 广东电网有限责任公司 | Take totally enclosed auxiliary switch of waterproof terminal |
| CN113284743B (en) * | 2021-05-24 | 2023-01-10 | 广东电网有限责任公司 | Take totally enclosed auxiliary switch of waterproof terminal |
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| CN103244773B (en) | 2014-12-03 |
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