CN103244773B - Quick connector for gas conveying bellows - Google Patents
Quick connector for gas conveying bellows Download PDFInfo
- Publication number
- CN103244773B CN103244773B CN201310184790.9A CN201310184790A CN103244773B CN 103244773 B CN103244773 B CN 103244773B CN 201310184790 A CN201310184790 A CN 201310184790A CN 103244773 B CN103244773 B CN 103244773B
- Authority
- CN
- China
- Prior art keywords
- bellows
- positioning ring
- seal
- seal washer
- connecting head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
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 joint technique field, relate to a kind of rapid pipe joint, particularly a kind of combustion gas conveying quick joint of corrugated pipe.
Background technique
In using the process of combustion gas, often gas pipeline need to be dismantled and be connected.In order to realize, gas pipeline connects and rapidity and the Security of disassembling section, and 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 openly proposing as Chinese patent literature data, notice of authorization number: CN101649937B], comprise bellows, locking nut and the joint with attachment hole, on bellows, be arranged with seal washer and can be buckled in the gripping sleeve in bellows trough, one end of bellows was interted successively above-mentioned gripping sleeve and seal washer and was extend in the attachment hole of joint, the outer end of seal washer is resisted against on 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 Qie Gai inclined-plane, inclined-plane and can extend in attachment hole and be resisted against on above-mentioned step one, 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 seal washer its inner inclined-plane when its outer end is resisted against gripping sleeve is just positioned on the crest of bellows, limit structure comprise on locking nut one end to projecting inward gear along one and gripping sleeve its be resisted against gear outwardly on that end of seal washer along two, gear can block gear along two along one.
Good airproof performance after above-mentioned rapid pipe joint installation, and its installation rate is fast.But in the middle of actual using process, some user can forget because of carelessness locking nut and joint are locked mutually, causes gas leakage, comparatively dangerous.So there is certain potential safety hazard in this rapid pipe joint.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed the higher combustion gas conveying quick joint of corrugated pipe of a kind of in use Security.
Object of the present invention can realize by following technical proposal: a kind of combustion gas conveying quick joint of corrugated pipe, comprise tubular connecting head and 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 is also provided with successively for being set in the positioning ring on bellows, safe block button, locking nut, described positioning ring can axially be connected on bellows, one end of described positioning ring is resisted against one end of seal washer, described safe block button is tubular and is set in the other end of described positioning ring, the outer side wall of described safe block button is provided with inserted part, the inwall of described connecting head is provided with annular groove, and the inserted part described in described locking nut is when described connecting head is connected is embedded in described annular groove.
In use, the outside of bellows is coated with plastic sheath, and plastic sheath extends to the inner side of locking nut, that is to say, is positioned on the bellows of safe block button, positioning ring and seal washer inner side and is not coated with plastic sheath.After positioning ring is arranged on bellows, positioning ring is firmly stuck on the ripple of bellows, is axially connected between they the two.In addition, safe block button is sheathed and be resisted against on one end of positioning ring.After connecting head has been connected with locking nut, between locking nut, safe block button, positioning ring and seal washer, lean successively, seal washer is squeezed, and can between bellows and connecting head, play seal action.
In the process being threaded with connecting head at locking nut, the inserted part being positioned on safe block button is close to the annular groove of connecting head.In this process, inserted part is subject to the extrusion-deformation of connecting head inwall, after locking nut and connecting head are locked mutually, inserted part just can embedded rings connected in star in.Like this, setting due to inserted part on safe block button, after within inserted part is embedded into the annular groove in connecting head, between bellows, safe block button, positioning ring, seal washer and connecting head, just locate mutually, even locking nut is disassembled from connecting head, between safe block button, positioning ring, seal washer and connecting head, still can stable maintenance lean, that is to say, seal washer still can play seal action between one end of bellows and connecting head, has guaranteed this rapid pipe joint Security in use.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described inserted part is for encircling the annular convex one being located on described safe block button, and described annular convex one has guide surface one near a side of positioning ring.That is to say, on annular convex one, the external diameter of one end of close seal washer is less than the external diameter of the other end of annular convex one, like this, due to the setting of guide surface one on annular convex one, the annular convex on safe block button is in the annular groove that can embed in connecting head along guide surface one.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described inserted part is that some rings are located at the plush copper on described safe block button outer side wall, and described plush copper all has guide surface one near a side of positioning ring.That is to say, in plush copper, one end of close seal washer is than the axis of the more close safe block button of its other end.Identical with the principle of annular convex one, guide surface one is set, in the annular groove that the plush copper on safe block button just can embed in connecting head along guide surface one in plush copper.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described seal washer has away from one end of positioning ring the annular convex two that protrudes from described seal washer inwall, in described connecting head, have with seal washer on the step one that matches away from the shape of one end of positioning ring, the outer side surface of described annular convex two is resisted against on described step one.After installation, the inner side surface of the annular convex two of seal washer is resisted against on the end face of bellows.Than the rapid pipe joint of mentioning in background technique, in this rapid pipe joint, due to 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 is mainly subject 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 has not only been subject to the extruding of positioning ring and connecting head, and, squeezing action has also been played to seal washer in one end of bellows, add seal washer larger with the area that connecting head inside contacts, the sealing effect that seal washer is played between bellows and connecting head is better.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, in described connecting head, be provided with guide surface two and described inserted part can slide in described annular groove along described guide surface two.Guide surface two is the conical surface, that is to say, the internal diameter away from one end of locking nut on guide surface is less than the internal diameter of the other end, like this, just can make the inserted part on safe block button more be easy to be embedded in annular groove.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described seal washer is provided with the outside end face of conical surface one and described conical surface one annular convex two described in connecting respectively and the outer side wall of described seal washer away from the outside, one end of positioning ring.Relevant position in connecting head is provided with the conical surface two matching with conical surface one, and after 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.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described safe block button has some distortion grooves near one end of described locking nut, and described distortion groove is uniformly distributed centered by the axis of described safe block button.Distortion groove extends to inserted part from one end of safe block button.Distortion groove is set on safe block button, is beneficial to the distortion in the process of safe block button in embedded rings connected in star.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described positioning ring comprises the lobe body one and lobe body two being symmetrical set, on the madial wall of described lobe body one and lobe body two, there is the curve bath that the crest with bellows matches, and described lobe body one while being connected with lobe body two crest of bellows be positioned at the curve bath of described lobe body one and described lobe body two.In producing the process of positioning ring, can select to keep lobe body one and lobe body two to be always one, and retain less connecting body between lobe body one and lobe body two.When using this rapid pipe joint, only positioning ring need to be broken disconnectedly from connecting body, then lobe body one and lobe body two are buckled on the crest of bellows.One end near locking nut on positioning ring has ring-shaped step, ring-shaped step is resisted against safe block button inner side, safe block button is set on positioning ring, lobe body one and lobe body two are linked together, be difficult for coming off from bellows, facilitate the installation of this rapid pipe joint, simultaneously also guaranteed the stability being connected between positioning ring and bellows.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described seal washer is provided with the annular seal that protrudes from described seal washer outer side wall near the outer side wall of one end of positioning ring, and described annular seal and described seal washer coaxially arrange.Relevant position in connecting head arranges step two, and on the shape of step two and seal washer, the profile of annular seal matches.After installation, annular seal and step two match and against, the sealing effect that seal washer is played between bellows and connecting head is better.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, 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 automatically regulate the shape of seal washer, and the sealing effect that seal washer is played between bellows and connecting head is better.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, between described locking nut and described connecting head, be provided with seal ring.Seal ring is set, makes the sealing effect between locking nut and connecting head better.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, the inwall of described locking nut is provided with annular seal groove, in described annular seal groove, is provided with seal ring, 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 bellows, the bellows that is positioned at locking nut inside has plastic sheath, if seal ring is not set, has certain gap between locking nut and plastic sheath.Seal ring is set, makes the sealing effect between locking nut and plastic sheath better.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, the inwall of described seal ring is equipped with some annular convex three, and described annular convex three all coaxially arranges with described seal ring.When mounted, the annular convex in seal ring three is all resisted against on the outer side wall of bellows.After locking nut is set on bellows, owing to being provided with some annular convex three on seal ring, seal ring can play sealing effect between locking nut and bellows.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, described safe block button is insulating material, and described positioning ring is that metallic material and its external diameter are less than the internal diameter of relevant position on connecting head.Because safe block button is set on positioning ring, after installation, location mutually between safe block button and bellows, make to remain between positioning ring and connecting head certain gap, adding connecting head does not directly contact with the metal tube of bellows with locking nut, like this, even charged on the metal tube of bellows, the connecting head and the locking nut that are in ragged edge also can insulate with the metal tube of bellows.
In above-mentioned combustion gas, carry with in quick joint of corrugated pipe, on described connecting head, offer inspection hole.On connecting head, near on one end of locking nut, offer an inspection hole, facilitate inspector to test to the Security of this rapid pipe joint.
Compared with prior art, this rapid pipe joint has the following advantages:
1, sheathed safe block button and positioning ring on bellows, after installation, inserted part on safe block button embeds in the annular groove of connecting head, at this moment, even if forget locking nut and connecting head are locked mutually, also can not cause gas leakage, and its Security is better;
2, on seal washer, the one end away from positioning ring arranges radially inwardly protruded annular convex two, and the step one that the profile that shape and annular convex are set in connecting head relevant position matches, the end of bellows is resisted against on annular convex two inner side towards positioning ring, therefore by seal washer and connecting head closely against, its sealing effect is better;
3, the external diameter of positioning ring is less than the internal diameter of relevant position on connecting head, and between other parts of rapid pipe joint and bellows, be all insulation relation, even charged on the metal tube of bellows, on connecting head and locking nut, also to insulate mutually with bellows, its Security is better.
Accompanying drawing explanation
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 block button in this rapid pipe joint;
Fig. 4 is the sectional view of this rapid pipe joint while being arranged on bellows.
In 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 block button; 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
Be below specific embodiments of the invention 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 conveying quick joint of corrugated pipe, comprise tubular connecting head 1, during installation, seal washer 2 is set in the end of bellows 8, on bellows 8 and a side that is positioned at seal washer 2 be also arranged with successively positioning ring 3, safe block button 4, locking nut 5, and be provided with seal ring 6 between locking nut 5 and connecting head 1, between locking nut 5 and bellows 8, be provided with seal ring 7.
The outside of bellows 8 is coated with plastic sheath, and plastic sheath extends to the inner side of locking nut 5, that is to say, is positioned on the bellows 8 of safe block button 4, positioning ring 3 and seal washer 2 inner sides and is not coated with plastic sheath.
Wherein, the one end away from locking nut 5 on connecting head 1 is provided with outside thread, and for connecting other parts, and the one 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, is connected between they the two by screw thread.
Seal washer 2 is cylindric, and seal washer 2 has away from one end of positioning ring 3 annular convex two 2a that protrude from seal washer 2 inwalls, has step one 1b matching away from the shape of one end of positioning ring 3 with seal washer 2 in connecting head 1.It is upper that the outer side surface of annular convex two 2a is resisted against step one 1b, and the inner side surface of annular convex two 2a is resisted against on the end face of bellows 8.And the internal diameter of annular convex two 2a is less than the internal diameter of bellows 8.Seal washer 2 is provided with conical surface one 2b away from one end outside of positioning ring 3 and conical surface one 2b connects respectively the outside end face of annular convex two 2a and the outer side wall of seal washer 2.Relevant position in connecting head 1 is provided with conical surface two 1d that match with conical surface one 2b.After installation, conical surface one 2b is resisted against on conical surface two 1d.
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 coaxially arrange.Relevant position in connecting head 1 arranges step two 1e, and on the shape of step two 1e and seal washer 2, the profile of annular seal 2c matches.After installation, annular seal 2c and step two 1e match 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 end.
The material of positioning ring 3 is copper, and its external diameter is less than the internal diameter of relevant position on connecting head 1.Positioning ring 3 comprises the lobe body one and lobe body two being symmetrical set, on the madial wall of lobe body one and lobe body two, there is the curve bath 3a that the crest with bellows 8 matches, and lobe body one while being connected with lobe body two crest of bellows 8 be positioned at the curve bath 3a of lobe body one and lobe body two.In producing the process of positioning ring 3, lobe body one and lobe body two are always one, and retain less connecting body between lobe body one and lobe body two.When using this rapid pipe joint, only positioning ring 3 need to be broken disconnectedly from connecting body, then lobe body one and lobe body two are buckled on the crest of bellows 8.One end near locking nut 5 on positioning ring 3 has ring-shaped step 3b, ring-shaped step 3b is resisted against safe block button 4 inner sides, safe block button 4 is set on positioning ring 3, lobe body one and lobe body two are linked together, facilitate the installation of this rapid pipe joint, simultaneously also guaranteed the stability being connected between positioning ring 3 and bellows 8.
Such structure can make positioning ring 3 and bellows 8 axially be connected, and one end of positioning ring 3 is resisted against one end of seal washer 2.After positioning ring 3 is arranged on bellows 8, positioning ring 3 is firmly stuck on the ripple of bellows 8.
As shown in Figure 3, the shape of safe block button 4 is tubular.Safe block button 4 is set in one end away from seal washer 2 of positioning ring 3.As another kind of scheme, safe block button 4 inside have step, and in safe block button 4, inner and location 3 rings are resisted against on the step in safe block button 4 positioning ring 3.The outer side wall of safe block button 4 is provided with inserted part, and the inwall of connecting head 1 is provided with annular groove 1a, and inserted part is embedded in annular groove 1a when locking nut 5 is connected with connecting head 1.
Safe block button 4 is made by poly-methyl alcohol material.The concrete structure of inserted part is located at annular convex one 4a on safe block button 4 for encircling, and annular convex one 4a has guide surface one 4b near a side of positioning ring 3.That is to say, the external diameter of the upper one end near seal washer 2 of annular convex one 4a is less than the external diameter of the other end of annular convex one 4a, like this, due to the setting of upper guide surface one 4b of annular convex one 4a, annular convex one 4a on safe block button 4 just can embed in the annular groove 1a in connecting head 1 along guide surface one 4b.
As another kind of scheme, inserted part also can be 8 rings and is located at the plush copper on safe block button 4 outer side walls, and plush copper is evenly distributed on the outer surface of safe block button 4 centered by the axis of safe block button 4, and plush copper all has guide surface one 4b near a side of positioning ring 3.That is to say, in plush copper, one end of close seal washer 2 is than the axis of the more close safe block button 4 of its other end.Identical with the principle of annular convex one 4a, the setting of guide surface one 4b in plush copper, the plush copper on safe block button 4 just can embed in the annular groove 1a in connecting head 1 along guide surface one 4b.
In addition, safe block button 4 has 4 distortion groove 4c near one end of locking nut 5, and the position of distortion groove 4c extends to inserted part from one end of safe block button 4.Distortion groove 4c is uniformly distributed centered by the axis of safe block button 4.
In connecting head 1, being provided with guide surface two 1c and inserted part can slide in 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 one end of locking nut 5 on guide surface is less than the internal diameter of the other end, like this, just can make the inserted part on safe block button 4 more be easy to be embedded in annular groove 1a.
Between locking nut 5 and connecting head 1, be provided with seal ring 6.The inwall of locking nut 5 is provided with annular seal groove 5a, is provided with seal ring 7 in 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, and annular convex three 7a all coaxially arrange with seal ring 7, and annular convex three 7a are all resisted against on the outer side wall of bellows 8.
Now the installation process of this rapid pipe joint is described below:
First locking nut 5 is set on bellows 8, annular convex three 7a on seal ring 7 are resisted against on the plastic sheath of bellows 8.Again safe block button 4 is set on bellows 8., positioning ring 3 broken become lobe body one and lobe body two, lobe body one and lobe body two are fastened on a crest of bellows 8, then with safe block button 4, lobe body one and lobe body two covers are set as to an integral body thereafter.Then seal washer 2 is enclosed within to the end of bellows 8 then.
In this rapid pipe joint, seal washer 2 has not only been subject to the extruding of positioning ring 3 and connecting head 1, and squeezing action has also been played to seal washer 2 in one end of bellows 8, the sealing effect that seal washer 2 is played 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 automatically regulate the shape of seal washer 2, and the sealing effect that seal washer 2 is played between bellows 8 and connecting head 1 is better.
After installation, conical surface one 2b on seal washer 2 is resisted against on conical surface two 1d in connecting head 1.Add annular convex two 2a on seal washer 2 and step one 1b in connecting head 1 and lean, its sealing effect is better.
In addition, safe block button 4 is sheathed and be resisted against on one end of positioning ring 3, and like this, when mounted, the positioning ring 3 of dimidiation is just difficult for coming off from bellows 8, installs more for convenience.After connecting head 1 has been connected with locking nut 5, between locking nut 5, safe block button 4, positioning ring 3 and seal washer 2, lean successively, seal washer 2 is squeezed, and can between bellows 8 and connecting head 1, play seal action.
Because safe block button 4 is set on positioning ring 3, the external diameter of positioning ring 3 is than the internal diameter of relevant position on connecting head 1, after installation, between positioning ring 3 and connecting head 1, remain certain gap, adding connecting head 1 does not directly contact with the metal tube of bellows 8 with locking nut 5, like this, even charged on the metal tube of bellows 8, as the connecting head 1 that is in ragged edge, also can insulate with the metal tube of bellows 8 with locking nut 5.
In the process being threaded with connecting head 1 at locking nut 5, the inserted part being positioned on safe block button 4 is close to the annular groove 1a of connecting head 1.In this process, inserted part, namely guide surface one 4b on annular convex one 4a is subject to the extrusion-deformation of guide surface two 1c in connecting head 1, after locking nut 5 and connecting head 1 are locked mutually, inserted part just can embedded rings connected in star 1a in.Like this, setting due to inserted part on safe block button 4, after within inserted part is embedded into the annular groove 1a in connecting head 1, between safe block button 4, positioning ring 3, seal washer 2 and connecting head 1, just locate mutually, even locking nut 5 is disassembled from connecting head 1, between safe block button 4, positioning ring 3, seal washer 2 and connecting head 1, still can stable maintenance lean, that is to say, seal washer 2 still can play seal action between one end of bellows 8 and connecting head 1, has guaranteed this rapid pipe joint Security in use.In addition, distortion groove 4c is set on safe block button 4, is more conducive to the distortion in the process of safe block button 4 in embedded rings connected in star 1a.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement 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 more used the 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 block button 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 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. a combustion gas conveying quick joint of corrugated pipe, comprise tubular connecting head (1) and 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) is also provided with successively for being set in the positioning ring (3) on bellows, safe block button (4), locking nut (5), described positioning ring (3) can axially be connected on bellows, one end of described positioning ring (3) is resisted against one end of seal washer (2), described safe block button (4) is tubular and is set in the other end of described positioning ring (3), the outer side wall of described safe block button (4) is provided with inserted part, the inwall of described connecting head (1) is provided with annular groove (1a), and the inserted part described in described locking nut (5) is when described connecting head (1) is connected is embedded in described annular groove (1a).
2. combustion gas conveying quick joint of corrugated pipe according to claim 1, described inserted part is for encircling the annular convex one (4a) being located on described safe block button (4), and described annular convex one (4a) has guide surface one (4b) near a side of positioning ring (3).
3. combustion gas conveying quick joint of corrugated pipe according to claim 1, described inserted part is that some rings are located at the plush copper on described safe block button (4) outer side wall, described plush copper all has guide surface one (4b) near a side of positioning ring (3).
4. according to the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3, described seal washer (2) has away from one end of positioning ring (3) the annular convex two (2a) that protrudes from described seal washer (2) inwall, in described connecting head (1), have the step one (1b) that the shape with the upper one end away from positioning ring (3) of seal washer (2) matches, the outer side surface of described annular convex two (2a) is resisted against on described step one (1b).
5. according to the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3, in described connecting head (1), be provided with guide surface two (1c) and described inserted part can slide in described annular groove (1a) along described guide surface two (1c).
6. combustion gas conveying quick joint of corrugated pipe according to claim 4, described seal washer (2) is provided with the outside end face of conical surface one (2b) and described conical surface one (2b) annular convex two (2a) described in connecting respectively and the outer side wall of described seal washer (2) away from the outside, one end of positioning ring (3).
7. according to the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3 or 6, described positioning ring (3) comprises the lobe body one and lobe body two being symmetrical set, on the madial wall of described lobe body one and lobe body two, there is the curve bath (3a) that the crest with bellows matches, and described lobe body one while being connected 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 the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3 or 6, described seal washer (2) is provided with near the outer side wall of one end of positioning ring (3) the annular seal (2c) that protrudes from described seal washer (2) outer side wall, and described annular seal (2c) coaxially arranges with 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), described circular groove (2d) is positioned at described annular seal (2c) away from the sidepiece of positioning ring (3) one end.
9. according to the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3 or 6, the inwall of described locking nut (5) is provided with annular seal groove (5a), in described annular seal groove (5a), be provided with seal ring (7), 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), and described annular convex three (7a) all coaxially arranges with described seal ring (7).
10. according to the combustion gas conveying quick joint of corrugated pipe described in claim 1 or 2 or 3 or 6, described safe block button (4) is insulating material, and described positioning ring (3) is that metallic material and its external diameter are less than the internal diameter of the upper 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 CN103244773A (en) | 2013-08-14 |
| CN103244773B true CN103244773B (en) | 2014-12-03 |
Family
ID=48924504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310184790.9A Active CN103244773B (en) | 2013-05-17 | 2013-05-17 | Quick connector for gas conveying bellows |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103244773B (en) |
Families Citing this family (18)
| 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 |
| CN106144599B (en) * | 2016-06-17 | 2018-09-14 | 华南理工大学 | A kind of grip device and its leak hunting method of open column shape body |
| CN107504305B (en) * | 2017-08-21 | 2020-01-24 | 淮北高航知识产权代理有限公司 | Quick connector for gas household pipeline |
| 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 |
| 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 |
| CN109882674B (en) * | 2019-03-28 | 2024-02-23 | 浙江海洋大学 | Water pipe connecting piece |
| CN112127119B (en) * | 2019-06-25 | 2023-04-07 | 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 |
| CN112127115B (en) * | 2019-06-25 | 2023-04-07 | 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 |
| US11635158B2 (en) | 2019-08-14 | 2023-04-25 | Delta Faucet Company | Compression ferrule adapter |
| KR102154692B1 (en) * | 2019-12-09 | 2020-09-10 | 주식회사 프럼파스트 | Grip ring damage prevention device of PB pipe for plastic pipe that can be separated without tools |
| CN111810738A (en) * | 2020-06-23 | 2020-10-23 | 肖云东 | Sealed oil pipe short circuit of detaining |
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2013
- 2013-05-17 CN CN201310184790.9A patent/CN103244773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103244773A (en) | 2013-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103244773B (en) | Quick connector for gas conveying bellows | |
| US9203167B2 (en) | Coaxial cable connector with conductive seal | |
| EP2690736B1 (en) | Cable gland for electrical cable fitting | |
| US7008264B2 (en) | Connector for coaxial cable with annularly corrugated outside conductor | |
| US7544105B2 (en) | Cable and cable connection assembly | |
| MY157486A (en) | Threaded connection comprising at least one threaded element with an end lip for a metal tube | |
| CN203309425U (en) | Corrugated pipe quick connector for fuel gas conveying | |
| US20140141646A1 (en) | Coaxial cable connector | |
| WO2012166351A3 (en) | Coaxial Connector with Cable Diameter Adapting Seal Assembly and Interconnection Method | |
| US20160036174A1 (en) | Band spring continuity member for coaxial cable connector | |
| EP4243223A3 (en) | Method of manufacturing a conductor assembly with a crimped tubular ferrule | |
| CN104508920B (en) | Coaxial cable connector and its manufacture method | |
| US8753137B2 (en) | Coaxial cable connector with multi-contact to ensure establishment of ground loop | |
| CN203762297U (en) | Electronic cigarette connecting structure and electronic cigarette | |
| US9281663B2 (en) | General aviation igniter cable assembly | |
| CN105020513A (en) | Stainless steel corrugated pipe quick connector | |
| US20140057472A1 (en) | Cable connector and connection system | |
| RU185238U1 (en) | SEALED CABLE INPUT | |
| US20170001731A1 (en) | Tank wall connector system | |
| CN209418876U (en) | A kind of non-threaded connector of direct insertion via hole | |
| KR102392439B1 (en) | Connector for photovoltaic cell | |
| CN104081584B (en) | Electrical connection arrangement | |
| RU149270U1 (en) | COAXIAL CABLE END TERMINAL ASSEMBLY | |
| CN209747777U (en) | external thread connector and seal ring | |
| CN208820177U (en) | Push-in N-type male connector structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |