CN104121395B - One is anti-fills spool and valve - Google Patents
One is anti-fills spool and valve Download PDFInfo
- Publication number
- CN104121395B CN104121395B CN201410330588.7A CN201410330588A CN104121395B CN 104121395 B CN104121395 B CN 104121395B CN 201410330588 A CN201410330588 A CN 201410330588A CN 104121395 B CN104121395 B CN 104121395B
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- spool
- windsurfing
- chamber
- valve core
- plane
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- 239000011148 porous material Substances 0.000 claims abstract description 16
- 230000001052 transient effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002746 orthostatic effect Effects 0.000 description 1
- 210000000664 rectum Anatomy 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/30—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces specially adapted for pressure containers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
Abstract
A kind of anti-fills spool and valve, spool comprises lower valve core, windsurfing, the filling gas via-hole and be arranged on the windsurfing chamber between lower valve core of through upper lower valve core; Lower valve core outer surface and valve body spool chamber chamber wall close fit; Windsurfing chamber along poppet shaft to true dip direction arranges spool inclined-plane, top is upper valve body spool top, spool top outer surface and spool chamber chamber wall close fit; Fill gas via-hole comprise the apical pore on spool top and pass lower valve core or the bottom outlet through upper lower valve core, bottom outlet upper end-hole is arranged on spool inclined-plane; Windsurfing chamber meets windsurfing and freely rotates around lower end, windsurfing chamber, and the working surface of windsurfing coordinates shutoff bottom outlet with bottom outlet upper end-hole; The apical pore edge of the positive offside in spool inclined-plane and spool push up part between the inward flange of windsurfing chamber and hold the windsurfing of setting downwards along poppet shaft to the windsurfing cavity region wind sheltering region be projected through completely.Valve comprises above-mentioned valve body and is arranged on the above-mentioned spool in valve body spool chamber.Invention increases the reliability that valve fills safely.
Description
Technical field
The present invention relates to a kind of spool preventing filling structure for valves of pressure vessel, also relate to the valve using this spool.
Background technique
The valve on liquefied petroleum ga steel cylinder shown in Fig. 1, the spool 100 comprising valve body 200 and be arranged in valve body 200 spool chamber.As shown in Figures 2 to 6, traditional anti-spool 100 that fills comprises the upper valve core 110, lower valve core 130, the windsurfing 120 that cooperatively interact and is arranged on upper valve core 110 and lower valve core 130 fills gas via-hole; Upper valve core 110 and the outside of lower valve core 130 and the spool chamber chamber wall close fit of valve body 200; Arrange windsurfing chamber between upper valve core 110 and lower valve core 130, windsurfing 120 freely can forward in windsurfing chamber; Upper valve core 110 in windsurfing chamber arranges inclined ramp along the true dip direction of spool 100 axis, plane of inclination arranges the port that upper valve core fills gas via-hole, windsurfing 120 side surface be arranged on plane of inclination fill gas via-hole port close fit close fill gas channel; The edge relative with plane of inclination, upper valve core 110 upper end arranges the limited step 112 keeping windsurfing 120 opening state, windsurfing 120 pass under the effect of opening device and on move, windsurfing 120 upper end is coordinated with limited step 112 and is in static equilibrium.For ensureing that windsurfing 120 upper end coordinates with limited step 112, the part that lower valve core 130 encloses windsurfing chamber comprises breach 113 with the upper end-face edge of upper valve core 110.
Above-mentioned tradition is prevented filling spool and can be met and prevent privately to the operation that liquefied petroleum ga steel cylinder fills, but still there is following defect:
First, adopt limited step 112 and ensure that the limit structure that windsurfing 120 upper end coordinates can only meet orthostatic requirement, when cylinder filling makes generation vibrate or fill air pressure or air-flow generation fluctuation, the static equilibrium of windsurfing 120 can be broken, under the effect filling air-flow and pressure thereof, windsurfing 120 is by Quick-return to closed position, and shutoff fills gas via-hole port, make to fill operation disruption, it is low that safety fills reliability.
They are two years old, adopt the limit structure of limited step 112, the part making lower valve core 130 enclose windsurfing chamber certainly exists breach 113 with the upper end-face edge of upper valve core 110, and this breach 113 makes the back side of windsurfing 120 when the airflow function be disturbed, and the static equilibrium of windsurfing 120 is easily broken.
Its three, windsurfing 120 usually adopts tapered side to add the plate structure of top curve, and top curve structure can reduce to coordinate area with the spacing of limited step 112, reduces spacing reliability.
Summary of the invention
One of the technical problem to be solved in the present invention is, provides a kind of and prevents filling spool, overcomes the existing anti-spacing equipoise of unlatching filling spool and is easily broken, prevents filling the low defect of reliability.
Two of the technical problem to be solved in the present invention is, provides a kind of valve, uses above-mentionedly anti-to fill spool, overcomes the spacing equipoise of unlatching that existing valve prevents filling spool and is easily broken, anti-ly fills the low defect of reliability.
The present invention solves the technological scheme that one of its technical problem adopts: structure is a kind of anti-ly fills spool, comprises upper valve core, lower valve core, windsurfing, to be arranged on this upper valve core and lower valve core through fills gas via-hole and be arranged on the windsurfing chamber between this upper and lower spool;
This lower valve core comprises the outer surface with the spool chamber chamber wall close fit of valve body;
This windsurfing chamber comprise along poppet shaft to true dip direction arrange spool inclined-plane, be positioned at the spool top on upper valve body top, this spool top outer surface and spool chamber chamber wall close fit;
The described gas via-hole that fills comprises through the apical pore on described spool top with through described lower valve core or the bottom outlet through described upper and lower spool, and the upper end-hole of described bottom outlet is arranged on described spool inclined-plane;
Described windsurfing chamber meets described windsurfing and freely rotates around this lower end, windsurfing chamber, and the working surface of this windsurfing coordinates bottom outlet described in shutoff with the bottom outlet upper end-hole be arranged on described spool inclined-plane;
It is characterized in that, the part that the side that described spool withstands on and described spool inclined-plane is just right, described apical pore edge and described spool push up between the edge in windsurfing chamber holds along poppet shaft to the wind sheltering region of the described windsurfing cavity region passed through that projects the windsurfing being in upright state downwards completely.
Prevent filling in spool in one of the present invention, the plane shape of described windsurfing is " convex " font, and both sides, top, described windsurfing chamber comprise the windsurfing upper end guide sides from described spool top to downward-extension.
Prevent filling in spool in one of the present invention, the part that described two guide sides are positioned at described wind sheltering region comprises the positioning groove matched with the both sides convex shoulder of described windsurfing.
Prevent filling in spool in one of the present invention, described lower valve core comprises the through counterbore of the described bottom outlet be arranged on its lower end and this lower valve core, the region of described bottom outlet and counterbore along described poppet shaft to cover with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters;
Or described lower valve core comprises the inclined-plane of the described bottom outlet be arranged on its this lower valve core of lower end inclination cutting, this inclined-plane along described spool axis projection region overlay with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters.
Prevent filling in spool in one of the present invention, described spool inclined-plane is arranged on described upper valve core;
Described windsurfing chamber comprises limit, wind sheltering district relative with described spool inclined-plane, extend upwardly to described spool top from described lower valve core side, or described windsurfing chamber is install this anti-spool chamber chamber wall filling the valve body of spool on the border of described spool inclined-plane opposite side.
Prevent filling in spool in one of the present invention, described spool inclined-plane is arranged on described lower valve core, and described windsurfing chamber comprises limit, wind sheltering district relative with described spool inclined-plane, extend downward described lower valve core from the limit, spool top side of described upper valve core.
The present invention solves the technological scheme that its technical problem two adopts: construct a kind of valve, comprise valve body, to be arranged in this valve body spool chamber anti-fills spool, this is anti-fills that spool comprises upper valve core, lower valve core, windsurfing, to be arranged on this upper valve core and lower valve core through fills gas via-hole and be arranged on the windsurfing chamber between this upper and lower spool;
This lower valve core comprises the outer surface with the spool chamber chamber wall close fit of valve body;
This windsurfing chamber comprise along poppet shaft to true dip direction arrange spool inclined-plane, be positioned at the spool top on upper valve body top, this spool top outer surface and spool chamber chamber wall close fit;
The described gas via-hole that fills comprises through the apical pore on described spool top with through described lower valve core or the bottom outlet through described upper and lower spool, and the upper end-hole of described bottom outlet is arranged on described spool inclined-plane;
Described windsurfing chamber meets described windsurfing and freely rotates around this lower end, windsurfing chamber, and the working surface of this windsurfing coordinates bottom outlet described in shutoff with the bottom outlet upper end-hole be arranged on described spool inclined-plane;
It is characterized in that, the part that the side that described spool withstands on and described spool inclined-plane is just right, described apical pore edge and described spool push up between the edge in windsurfing chamber holds along poppet shaft to the wind sheltering region of the described windsurfing cavity region passed through that projects the windsurfing being in upright state downwards completely.
In a kind of valve of the present invention, the plane shape of described windsurfing is " convex " font, and both sides, top, described windsurfing chamber comprise the windsurfing upper end guide sides from described spool top to downward-extension.
In a kind of valve of the present invention, the part that described two guide sides are positioned at described wind sheltering region comprises the positioning groove matched with the both sides convex shoulder of described windsurfing.
In a kind of valve of the present invention, described lower valve core comprises the through counterbore of the described bottom outlet be arranged on its lower end and this lower valve core, the region of described bottom outlet and counterbore along described poppet shaft to cover with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters;
Or described lower valve core comprises the inclined-plane of the described bottom outlet be arranged on its this lower valve core of lower end inclination cutting, this inclined-plane along described spool axis projection region overlay with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters.
Implement one of the present invention to prevent filling spool and valve, compared with the prior art, its beneficial effect is:
1. wind sheltering region is set in spool windsurfing chamber, the wind sheltering region part be positioned on the downside of spool top is the district that prevents wind from passing through, filling the apical pore of gas through spool top enters in the windsurfing chamber of spool, this district that prevents wind from passing through can avoid being subject to the impact that high-speed motion fills gas, therefore, open and prevent filling spool, after windsurfing being moved to the wind sheltering region comprising the district that prevents wind from passing through, can ensure that windsurfing is at the operation magnetic force of windsurfing and windsurfing gravity and fill between impact force that gas produces windsurfing and be in dynamic balance state, and the operation realizing windsurfing transient equiliblium depends on special valve opening device, thus improve valve opening difficulty, realize improving and prevent filling Security,
2. due to spool top outer surface and the spool chamber chamber wall close fit of spool, filling gas can only enter in the windsurfing chamber of spool from the apical pore on spool top, ensure that the wind sheltering region of spool can not be subject to filling at a high speed the impact of gas motion, ensure that the stability of windsurfing dynamic balance state;
3. windsurfing adopts " convex " character form structure, windsurfing chamber correspondence arranges the windsurfing upper end guide sides from spool top to downward-extension, ensure when opening and closing valve windsurfing, windsurfing can put in place in the position of shutoff spool bottom outlet and reliably forwarding between the transient equiliblium position in wind sheltering region, improves the functional reliability of valve.
4. arrange the counterbore through with being arranged on bottom outlet on lower valve core or the inclined-plane of this bottom outlet of inclination cutting in the lower end of lower valve core, what ensure the central through bore of the valve mechanism part be connected with spool lower end and spool lower end meets by cross section the requirement that GB is not less than 7 millimeter opening.
Accompanying drawing explanation
Fig. 1 is a kind of traditional anti-semi-section structural drawing filling valve.
Fig. 2 is traditional anti-plan view filling spool.
Fig. 3 is A-A sectional view in Fig. 2.
Fig. 4 is the plan view that Fig. 2 prevents filling spool.
Fig. 5 is the plan view that Fig. 2 prevents filling the windsurfing of spool.
Fig. 6 is the left view that Fig. 2 prevents filling the windsurfing of spool.
Fig. 7 is the plan view that the present invention prevents filling a kind of embodiment of spool.
Fig. 8 is B-B sectional view in Fig. 7.
Fig. 9 is the plan view that Fig. 7 prevents filling spool.
Figure 10 is the plan view that Fig. 7 prevents filling a kind of mode of execution of windsurfing of spool.
Figure 11 is the left view that Figure 10 prevents filling spool.
Figure 12 is the plan view that the present invention prevents filling the another kind of embodiment of spool.
Figure 13 is the plan view that the present invention prevents filling the another kind of embodiment of spool.
Figure 14 is the semi-section structural drawing of a kind of embodiment of valve of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Fig. 7 to Figure 11, of the present inventionly anti-fill that spool 300 comprises upper valve core 310, lower valve core 330, windsurfing 320, to be arranged on this upper valve core and lower valve core through fills gas via-hole and be arranged on the windsurfing chamber 340 between this upper valve core 310 and lower valve core 330.
Lower valve core 330 comprises the outer surface (as shown in figure 14) with the spool chamber chamber wall close fit of valve body, ensured to fill gas through spool fill gas via-hole filled enter in steel cylinder.
Windsurfing chamber 340 comprises the spool inclined-plane 317 that the true dip direction along poppet shaft to N is arranged, the spool top 316 being positioned at upper valve body 310 top, the outer surface on this spool top 316 and spool chamber chamber wall close fit (as shown in figure 14), ensured that filling gas is entered in windsurfing chamber 340 by the gas via-hole that fills on spool top 316.
Fill gas via-hole and comprise the apical pore 351 through spool top 316, the bottom outlet 352 through upper valve core 310 and the bottom outlet 353 through lower valve core 330, the upper end-hole 314 of bottom outlet 352 is arranged on spool inclined-plane 317.
Windsurfing chamber 340 must ensure that windsurfing 320 freely can rotate around the lower end in this windsurfing chamber 340.The working surface (left-hand face in Fig. 8) of windsurfing 320 coordinates shutoff bottom outlet 352 and 353 with the bottom outlet upper end-hole 314 be arranged on spool inclined-plane 317, reaches the object of throttle down.
The side that spool top 316 is just right on itself and spool inclined-plane 317, namely the region, windsurfing chamber 340 that the edge part between the two that the edge of its apical pore 351 and spool top 316 are positioned at windsurfing chamber 340 projects passed through downwards along poppet shaft to N is that windsurfing chamber 340 is subject to the gas that fills of high-speed motion to impact very little wind sheltering region, ensures that this wind sheltering region can hold the windsurfing 320 being in upright state (i.e. valve opening state) completely.
The part that wind sheltering region is positioned on the downside of spool top 316 is the district 311 that prevents wind from passing through, and the district 311 that prevents wind from passing through can avoid being subject to the impact that high-speed motion fills gas.The latus rectum of apical pore 351 is determined according to the speed that fills of valve, usually adopts circular hole.For expanding the district 311 that prevents wind from passing through, apical pore 351 can adopt elongated hole (as shown in Figure 9), and the length direction of elongated hole is crossing with the flat transverse forwarding place, direction to of windsurfing 320.
As shown in Fig. 8, Figure 10, Figure 11, in the present embodiment, the plane shape of windsurfing 320 adopts " convex " font, and the corresponding both sides, top in windsurfing chamber 340 extend the side 312 led with broadband, the upper end adaptation of windsurfing 320 downwards from the spool top 316 of upper valve core 310.Under coordinate of the upper lobes of windsurfing 320 with the guide sides 312 in windsurfing chamber 340, can ensure reliably to forward between the position of windsurfing 320 at shutoff spool bottom outlet and the transient equiliblium position in wind sheltering region to put in place.In other embodiments, windsurfing 320 adopts other plane shapes, such as, adopt trapezoidal, also can realize the object of the invention.
When the plane shape of windsurfing 320 adopts " convex " font structure, to remain in the reliability of the dynamic balance state in wind sheltering region in opening state for improving windsurfing 320, the part being positioned at wind sheltering region in two guide sides 312 arranges the positioning groove 313 matched with the both sides convex shoulder of windsurfing 320, windsurfing 320 matches with this positioning groove 313 at opening state both sides convex shoulder, improves the stability of its transient equiliblium.In other embodiments, positioning groove 313 is not set, does not affect the realization of the basic goal of the invention of the present invention.
As shown in Figure 8, meet by cross section the requirement that international standard is not less than 7 millimeter opening in order to what ensure the central through bore of the valve mechanism part be connected with spool lower end and spool lower end, in the present embodiment, in the lower end of lower valve core 330, the counterbore 331 through with the bottom outlet 353 on this lower valve core 330 is set, and ensure the region of bottom outlet and counterbore along poppet shaft to cover with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters, to meet international standard requirement.In other embodiments, counterbore 331 is not set, does not affect the realization of the basic goal of the invention of the present invention.
In other embodiments, can be adopted following structure: the inclined-plane with this this lower valve core bottom outlet of lower valve core lower end inclination cutting is set in the lower end of lower valve core, this inclined-plane along spool axis projection region overlay with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters, also can meet international standard requirement.
As shown in Figure 8, in the present embodiment, spool inclined-plane 317 is arranged on upper valve core 310, and windsurfing chamber 340 comprises the limit, wind sheltering district 332 on spool top 316 relative with spool inclined-plane 317, extend upwardly to upper valve core 310 from the side of lower valve core 330.
In other embodiments, as shown in figure 12, spool inclined-plane 317 is arranged on upper valve core 310a, windsurfing chamber is install this anti-spool chamber chamber wall (valve body is not shown) filling the valve body of spool on the border of spool inclined-plane opposite side, the limit, wind sheltering district extended upwardly to is not set from lower valve core 330a, can realizes the object of the invention yet.
In other embodiments, as shown in figure 13, spool inclined-plane to be arranged on lower valve core 330b in (hole that the bottom outlet now filling gas via-hole is through lower valve core 330b), windsurfing chamber, on relative with spool inclined-plane, extend downward lower valve core 330b from the limit, spool top side of upper valve core 310b limit, wind sheltering district 315, also can realize the object of the invention.
As shown in figure 14, valve of the present invention comprises valve body 200 and is arranged on this valve body 200 is that anti-in spool chamber fills spool 300, and this is anti-fills the structure of spool 300 and change thereof as mentioned above, does not repeat them here.
Claims (10)
1. anti-fill a spool, comprise upper valve core, lower valve core, windsurfing, to be arranged on this upper valve core and lower valve core through fills gas via-hole and be arranged on the windsurfing chamber between this upper and lower spool;
This lower valve core comprises the outer surface with the spool chamber chamber wall close fit of valve body;
This windsurfing chamber comprise along poppet shaft to true dip direction arrange spool inclined-plane, be positioned at the spool top on upper valve body top, this spool top outer surface and spool chamber chamber wall close fit;
The described gas via-hole that fills comprises through the apical pore on described spool top with through described lower valve core or the bottom outlet through described upper and lower spool, and the upper end-hole of described bottom outlet is arranged on described spool inclined-plane;
Described windsurfing chamber meets described windsurfing and freely rotates around this lower end, windsurfing chamber, and the working surface of this windsurfing coordinates bottom outlet described in shutoff with the bottom outlet upper end-hole be arranged on described spool inclined-plane;
It is characterized in that, the part that the side that described spool withstands on and described spool inclined-plane is just right, described apical pore edge and described spool push up between the edge in windsurfing chamber holds along poppet shaft to the wind sheltering region of the described windsurfing cavity region passed through that projects the windsurfing being in upright state downwards completely.
2. prevent as claimed in claim 1 filling spool, it is characterized in that, the plane shape of described windsurfing is " convex " font, and both sides, top, described windsurfing chamber comprise the windsurfing upper end guide sides from described spool top to downward-extension.
3. prevent as claimed in claim 2 filling spool, it is characterized in that, the part that described two guide sides are positioned at described wind sheltering region comprises the positioning groove matched with the both sides convex shoulder of described windsurfing.
4. prevent as claimed in claim 1 filling spool, it is characterized in that, described lower valve core comprises the through counterbore of the described bottom outlet be arranged on its lower end and this lower valve core, the region of described bottom outlet and counterbore along described poppet shaft to cover with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters;
Or described lower valve core comprises the inclined-plane of the described bottom outlet be arranged on its this lower valve core of lower end inclination cutting, this inclined-plane along described spool axis projection region overlay with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters.
5. anti-as described in one of Claims 1-4 fills spool, and it is characterized in that, described spool inclined-plane is arranged on described upper valve core;
Described windsurfing chamber comprises limit, wind sheltering district relative with described spool inclined-plane, extend upwardly to described spool top from described lower valve core side, or described windsurfing chamber is install this anti-spool chamber chamber wall filling the valve body of spool on the border of described spool inclined-plane opposite side.
6. anti-as described in one of Claims 1-4 fills spool, it is characterized in that, described spool inclined-plane is arranged on described lower valve core, and described windsurfing chamber comprises limit, wind sheltering district relative with described spool inclined-plane, extend downward described lower valve core from the limit, spool top side of described upper valve core.
7. a valve, comprise valve body, to be arranged in this valve body spool chamber anti-fills spool, this is anti-fills that spool comprises upper valve core, lower valve core, windsurfing, to be arranged on this upper valve core and lower valve core through fills gas via-hole and be arranged on the windsurfing chamber between this upper and lower spool;
This lower valve core comprises the outer surface with the spool chamber chamber wall close fit of valve body;
This windsurfing chamber comprise along poppet shaft to true dip direction arrange spool inclined-plane, be positioned at the spool top on upper valve body top, this spool top outer surface and spool chamber chamber wall close fit;
The described gas via-hole that fills comprises through the apical pore on described spool top with through described lower valve core or the bottom outlet through described upper and lower spool, and the upper end-hole of described bottom outlet is arranged on described spool inclined-plane;
Described windsurfing chamber meets described windsurfing and freely rotates around this lower end, windsurfing chamber, and the working surface of this windsurfing coordinates bottom outlet described in shutoff with the bottom outlet upper end-hole be arranged on described spool inclined-plane;
It is characterized in that, the part that the side that described spool withstands on and described spool inclined-plane is just right, described apical pore edge and described spool push up between the edge in windsurfing chamber holds along poppet shaft to the wind sheltering region of the described windsurfing cavity region passed through that projects the windsurfing being in upright state downwards completely.
8. valve as claimed in claim 7, it is characterized in that, the plane shape of described windsurfing is " convex " font, and both sides, top, described windsurfing chamber comprise the windsurfing upper end guide sides from described spool top to downward-extension.
9. valve as claimed in claim 8, it is characterized in that, the part that described two guide sides are positioned at described wind sheltering region comprises the positioning groove matched with the both sides convex shoulder of described windsurfing.
10. valve as claimed in claim 7, it is characterized in that, described lower valve core comprises the through counterbore of the described bottom outlet be arranged on its lower end and this lower valve core, the region of described bottom outlet and counterbore along described poppet shaft to cover with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters;
Or described lower valve core comprises the inclined-plane of the described bottom outlet be arranged on its this lower valve core of lower end inclination cutting, this inclined-plane along described spool axis projection region overlay with spool axle center be the center of circle, diameter is more than or equal to the circle of 7 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410330588.7A CN104121395B (en) | 2014-07-11 | 2014-07-11 | One is anti-fills spool and valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410330588.7A CN104121395B (en) | 2014-07-11 | 2014-07-11 | One is anti-fills spool and valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104121395A CN104121395A (en) | 2014-10-29 |
| CN104121395B true CN104121395B (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410330588.7A Active CN104121395B (en) | 2014-07-11 | 2014-07-11 | One is anti-fills spool and valve |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106224622B (en) * | 2016-09-13 | 2019-04-09 | 深圳市知合物联通信技术有限责任公司 | A kind of intelligence angle valve and steel cylinder |
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|---|---|---|---|---|
| US5048554A (en) * | 1989-10-05 | 1991-09-17 | Ceodeux S.A. | Valve for a gas cylinder |
| JPH05215299A (en) * | 1991-02-01 | 1993-08-24 | Neriki:Kk | Valve for gas cylinder |
| CN201714992U (en) * | 2010-06-28 | 2011-01-19 | 杜永芳 | Valve |
| CN201973446U (en) * | 2011-01-13 | 2011-09-14 | 杜永芳 | Valve for liquefied gas steel cylinder |
| CN202188214U (en) * | 2011-07-14 | 2012-04-11 | 杜永芳 | Liquefied gas cylinder valve |
| CN204267809U (en) * | 2014-07-11 | 2015-04-15 | 深圳市安博自控能源技术有限公司 | One is anti-fills spool and valve |
-
2014
- 2014-07-11 CN CN201410330588.7A patent/CN104121395B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5048554A (en) * | 1989-10-05 | 1991-09-17 | Ceodeux S.A. | Valve for a gas cylinder |
| JPH05215299A (en) * | 1991-02-01 | 1993-08-24 | Neriki:Kk | Valve for gas cylinder |
| CN201714992U (en) * | 2010-06-28 | 2011-01-19 | 杜永芳 | Valve |
| CN201973446U (en) * | 2011-01-13 | 2011-09-14 | 杜永芳 | Valve for liquefied gas steel cylinder |
| CN202188214U (en) * | 2011-07-14 | 2012-04-11 | 杜永芳 | Liquefied gas cylinder valve |
| CN204267809U (en) * | 2014-07-11 | 2015-04-15 | 深圳市安博自控能源技术有限公司 | One is anti-fills spool and valve |
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| CN104121395A (en) | 2014-10-29 |
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