CN202158260U - Air bottle valve - Google Patents
Air bottle valve Download PDFInfo
- Publication number
- CN202158260U CN202158260U CN2011202650218U CN201120265021U CN202158260U CN 202158260 U CN202158260 U CN 202158260U CN 2011202650218 U CN2011202650218 U CN 2011202650218U CN 201120265021 U CN201120265021 U CN 201120265021U CN 202158260 U CN202158260 U CN 202158260U
- Authority
- CN
- China
- Prior art keywords
- valve
- air outlet
- valve body
- outlet hole
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses an air bottle valve, which comprises a hand wheel (1), a valve rod (4), a pressing cap (2), a valve body (5), a sealing ring assembly (3) and a valve assembly (6). One end of the valve rod (4) is connected with the hand wheel (1), and the other end of the valve rod (4) is connected with the valve assembly (6) which is connected with the inside of an inner cavity (12) of the valve body (5). The middle portion of the valve rod (4) is matched in the pressing cap (2) through the sealing ring assembly (3), and the pressing cap (2) is connected onto the inner cavity (12) of the valve body (5). The valve body (5) is further provided with an air inlet hole (8) and an air outlet hole (10) which are communicated with the inner cavity (12), and a connector assembly (9) is connected with the position of the air outlet hole (10) of the valve body (5) in sleeving mode. Therefore, abrasion caused by thread connection is avoided, thereby prolonging service life of the bottle valve. In addition, the connector assembly which is connected in sleeving mode is convenient to disassemble, and a user only needs to replace the connector assembly after damage, thereby prolonging service life of the whole bottle valve.
Description
Technical field
The utility model relates to valve field, specifically is a kind of gas cylinder cylinder valve that can fill repeatedly and use.
Background technique
The cylinder valve of gas cylinder generally comprises valve body, spool, valve rod, valve assembly, pressure cap and handwheel; One end of valve rod is connected with handwheel, and the other end is connected with valve assembly, simultaneously; Valve rod is rotatably assorted through black box and pressure cap, and pressure cap and valve assembly are threaded in the valve rod respectively.In addition, valve body is provided with inlet hole and air outlet hole, and the air outlet hole of cylinder valve of the prior art and supporting then place for it often are designed to inflate and exit with the form that is threaded.But, the shortcoming below the cylinder valve of the vehicle gas cylinder of this structure exists: since in the using process of cylinder valve dismounting joint normally, be easy to cause the air outlet hole helical thread portion to produce wearing and tearing and collision, and then shorten the working life of whole cylinder valve.
The model utility content
The utility model technical problem to be solved is, thereby a kind of gas cylinder cylinder valve of avoiding the air outlet hole wearing and tearing to prolong the working life of cylinder valve is provided.
For solving the problems of the technologies described above; The gas cylinder cylinder valve that the utility model provides comprises handwheel, valve rod, pressure cap, valve body, seal ring assembly and valve assembly, and an end of described valve rod is connected with handwheel; The other end is connected with valve assembly; Valve assembly is connected in the inner chamber of valve body, and the intermediate portion of valve rod is engaged in the pressure cap through seal ring assembly, and pressure cap is connected on the inner chamber of valve body; Also have the inlet hole and the air outlet hole that communicate with inner chamber on the described valve body, described valve body is socketed with adapter assembly at the air outlet hole place.
Described adapter assembly comprises joint, seal ring, pad and locking nut; Described joint has the shaft shoulder, and an end face of the valve body at this shaft shoulder and air outlet hole place pushes against, and the other end of joint is threaded with locking nut after passing air outlet hole; Described locking nut pushes against through the other end of the valve body at pad and air outlet hole place; And the middle part of joint is through the valve body close-fitting at seal ring and air outlet hole place; Joint has axial bore and radial direction through hole, and an end of axial bore is the air outlet, and the other end communicates with radial direction through hole, and radial direction through hole communicates with air outlet hole.
Described air outlet hole is a cone shape hole, and wherein larger diameter end is connected with the shaft shoulder of joint, and smaller diameter end is connected with pad; The range of taper of air outlet hole is 4 ℃～6 ℃.
Have annular groove on the valve body at the radial direction through hole place of communicating of described and joint, this annular groove communicates with the inner chamber of valve body.
After adopting above structure, the utility model compared with prior art has the following advantages:
1) since in the air outlet hole place socket of valve body adapter assembly, the wear phenomenon that having avoided is threaded brings, thus prolong working life of cylinder valve; In addition, the adapter assembly easy accessibility of socket if any damage, need only be changed adapter assembly and solve, thereby has more prolonged the working life of whole cylinder valve;
2) air outlet hole adopts the design of cone shape hole, and first aspect is convenient for the dismounting that makes joint, and second aspect is the reliability that has increased the sealing of joint and air outlet hole, and the third aspect is the wearing and tearing that reduced seal ring greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model gas cylinder cylinder valve.
Fig. 2 is the structural representation of A-A direction among Fig. 1.
Fig. 3 is the structural representation of the utility model air outlet hole place valve body.
Wherein: 1, handwheel; 2, pressure cap; 3, seal ring assembly; 4, valve rod; 5, valve body; 6, valve assembly; 7, pressure release assembly; 8, inlet hole; 9, adapter assembly; 9.1, joint; 9.11, the shaft shoulder; 9.12, axial bore; 9.13, radial direction through hole; 9.2, seal ring; 9.3, pad; 9.4, locking nut; 10, air outlet hole; 11, annular groove.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done explanation in further detail.
Structural representation by the utility model gas cylinder cylinder valve of Fig. 1～shown in Figure 3 can be known; It comprises handwheel 1, valve rod 4, pressure cap 2, valve body 5, seal ring assembly 3 and valve assembly 6; One end of described valve rod 4 is connected with handwheel 1; The other end is connected with valve assembly 6, and valve assembly 6 is connected in the inner chamber 12 of valve body 5, and the intermediate portion of valve rod 4 is engaged in the pressure cap 2 through seal ring assembly 3; Pressure cap 2 is connected on the inner chamber 12 of valve body 5, also has the inlet hole 8 and air outlet hole 10 that communicate with inner chamber 12 on the described valve body 5.Described valve body 5 is socketed with adapter assembly 9 at air outlet hole 10 places.
Described adapter assembly 9 comprises joint 9.1, seal ring 9.2, pad 9.3 and locking nut 9.4.Described joint 9.1 has the shaft shoulder 9.11, and this shaft shoulder 9.11 pushes against with an end face of the valve body 5 at air outlet hole 10 places, and the other end of joint 9.1 passes air outlet hole 10 backs and is threaded with locking nut 9.4.Described locking nut 9.4 pushes against through the other end of pad 9.3 with the valve body 5 at air outlet hole 10 places.And the middle part of joint 9.1 is through valve body 5 close-fittings of seal ring 9.2 with air outlet hole 10 places.Joint 9.1 has axial bore 9.12 and radial direction through hole 9.13, and an end of axial bore 9.12 is the air outlet, and the other end communicates with radial direction through hole 9.13, and radial direction through hole 9.13 communicates with air outlet hole 10.In the present embodiment, described seal ring 9.2 is commercially available O type circle.
Described air outlet hole 10 is a cone shape hole, and wherein larger diameter end is connected with the shaft shoulder 9.11 of joint 9.1, and smaller diameter end is connected with pad 9.3; The taper theta scope of air outlet hole 10 is 4 ℃～6 ℃.
Have annular groove 11 on the valve body 5 at radial direction through hole 9.13 places of communicating of described and joint 9.1, this annular groove 11 communicates with the inner chamber 12 of valve body 5.
The utility model is not limited to above-described structure; Can also have additional pressure relief device on the valve body; Its concrete structure can be made up of safety pressure ring assembly and safe plug screw; Safe plug screw is through being pressed on safe pressure ring assembly in the relief hole of valve body with being threaded of valve body, and the solid alloy that specified temp can melt is completely met in filling in safe plug screw and the safe pressure ring assembly, and relief hole communicates with inlet hole.These variations fall within the protection domain of the utility model.
The working principle of the utility model gas cylinder cylinder valve is following:
1) opening and closing through handwheel 1 of this cylinder valve controlled, and the counter clockwise direction of handwheel 1 rotates to be unlatching;
2) with handwheel 1 when the valve closed condition is rotated counterclockwise; Handwheel 1 drives valve rod 4, valve rod 4 drives valve assembly 6 spirals and rises; Boss on disengagement of seal member valve body 5 inner chambers 12 bottom surfaces of valve assembly 6 ends; Inlet hole 8 is communicated with inner chamber 12, thereby inlet hole 8 is communicated with air outlet hole 10, open valve;
3) with handwheel 1 when the opening of valves state turns clockwise; Handwheel 1 drives valve rod 4, valve rod 4 drives valve assembly 6 spirals and descends; Be pressed on the Sealing of valve assembly 6 ends on the suction port of inner chamber 12 bottom surfaces, make inlet hole 8 not be communicated with throttle down with air outlet hole 10;
4) when the pressure in the gas cylinder or temperature exceed the rating value that is allowed, the alloy in the safe plug screw melts, and opens relief hole, thereby plays the safety protection effect;
5) when needs are inflated or are used gas; Joint 9.1 is installed in the air outlet hole 10; At an end shell tool 9.3 of joint 9.1, in the present embodiment, pad 9.3 is made up of a plain cushion and a bullet pad; Locking nut 9.4 is spun on joint 9.1 the other ends, tightens locking nut 9.3 and be connected fastening with valve body 5 joint 9.1; Because the inner chamber of air outlet hole 10 has tapered configuration, under the effect of locking nut 9.4 screwing forces, the seal ring 9.2 at joint 9.1 places is closely attached on the inwall of air outlet hole 10, plays good seal action; When valve open, inlet hole 8 communicates with axial bore 9.12 with radial direction through hole 9.13, the radial direction through hole 9.13 of joint 9.1 with air outlet hole 10, air outlet hole 10 interior annular grooves 11.
Claims (4)
1. gas cylinder cylinder valve; Comprise handwheel (1), valve rod (4), pressure cap (2), valve body (5), seal ring assembly (3) and valve assembly (6); One end of described valve rod (4) is connected with handwheel (1); The other end is connected with valve assembly (6); Valve assembly (6) is connected in the inner chamber (12) of valve body (5), and the intermediate portion of valve rod (4) is engaged in the pressure cap (2) through seal ring assembly (3), and pressure cap (2) is connected on the inner chamber (12) of valve body (5); Also have the inlet hole (8) and the air outlet hole (10) that communicate with inner chamber (12) on the described valve body (5), it is characterized in that: described valve body (5) locates to be socketed with adapter assembly (9) at air outlet hole (10).
2. gas cylinder cylinder valve according to claim 1 is characterized in that: described adapter assembly (9) comprises joint (9.1), seal ring (9.2), pad (9.3) and locking nut (9.4); Described joint (9.1) has the shaft shoulder (9.11), and this shaft shoulder (9.11) pushes against with an end face of the valve body (5) that air outlet hole (10) is located, and the other end of joint (9.1) passes air outlet hole (10) back and is threaded with locking nut (9.4); Described locking nut (9.4) pushes against through the other end of the valve body (5) that pad (9.3) and air outlet hole (10) are located; And valve body (5) close-fitting that the middle part of joint (9.1) is located through seal ring (9.2) and air outlet hole (10); Joint (9.1) has axial bore (9.12) and radial direction through hole (9.13), and an end of axial bore (9.12) is the air outlet, and the other end communicates with radial direction through hole (9.13), and radial direction through hole (9.13) communicates with air outlet hole (10).
3. gas cylinder cylinder valve according to claim 2 is characterized in that: described air outlet hole (10) is a cone shape hole, and wherein larger diameter end is connected with the shaft shoulder (9.11) of joint (9.1), and smaller diameter end is connected with pad (9.3); Tapering (θ) scope of air outlet hole (10) is 4 ℃～6 ℃.
4. gas cylinder cylinder valve according to claim 2; It is characterized in that: have annular groove (11) on the valve body (5) at radial direction through hole (9.13) place of communicating of described and joint (9.1), this annular groove (11) communicates with the inner chamber (12) of valve body (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202650218U CN202158260U (en) | 2011-07-26 | 2011-07-26 | Air bottle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202650218U CN202158260U (en) | 2011-07-26 | 2011-07-26 | Air bottle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202158260U true CN202158260U (en) | 2012-03-07 |
Family
ID=45765900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202650218U Expired - Fee Related CN202158260U (en) | 2011-07-26 | 2011-07-26 | Air bottle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202158260U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453214A (en) * | 2013-09-18 | 2013-12-18 | 江国辉 | Rotary seal valve |
| CN106895258A (en) * | 2017-04-19 | 2017-06-27 | 常州工程职业技术学院 | A kind of strong dioxide bottle charging joint of sealing |
-
2011
- 2011-07-26 CN CN2011202650218U patent/CN202158260U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453214A (en) * | 2013-09-18 | 2013-12-18 | 江国辉 | Rotary seal valve |
| CN106895258A (en) * | 2017-04-19 | 2017-06-27 | 常州工程职业技术学院 | A kind of strong dioxide bottle charging joint of sealing |
| CN106895258B (en) * | 2017-04-19 | 2024-02-13 | 常州工程职业技术学院 | Carbon dioxide gas cylinder filling joint with high sealing performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20140726 |
|
| EXPY | Termination of patent right or utility model |