CN221196247U - High-pressure composite sealing air valve - Google Patents
High-pressure composite sealing air valve Download PDFInfo
- Publication number
- CN221196247U CN221196247U CN202323054856.0U CN202323054856U CN221196247U CN 221196247 U CN221196247 U CN 221196247U CN 202323054856 U CN202323054856 U CN 202323054856U CN 221196247 U CN221196247 U CN 221196247U
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- Prior art keywords
- valve
- sealing
- top cap
- air valve
- inner cavity
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- 238000007789 sealing Methods 0.000 title claims abstract description 55
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a high-pressure composite sealing air valve which comprises a valve cover, wherein a top cover mechanism is arranged at the top of the valve cover, and a valve body is arranged at the bottom of the valve cover. According to the utility model, the top cover mechanism is arranged for sealing the top of the valve cover, the top cover mechanism is convenient to detach, an maintainer can rapidly open the top cover mechanism on the premise of not using tools, and overhaul is performed on the components in the inner cavity of the valve body.
Description
Technical Field
The utility model relates to the technical field of air valves, in particular to a high-pressure composite sealing air valve.
Background
As a valve, an air valve is a special valve for preventing a negative pressure generated in a pipe by a pressure reducing wave in a transient process, which is generally installed in a pipe having a low dynamic water pressure during a normal operation, and has a possibility of generating a high point of liquid column separation during a transient flow process, sucking air when the pressure in the pipe is lower than the atmospheric pressure, and discharging air when the pressure in the pipe rises above the atmospheric pressure, and can be automatically closed when the pipe is filled with liquid in the exhaust process, and does not allow the liquid to be discharged into the atmosphere.
The utility model provides a high-pressure composite seal air valve that CN203463737U proposed as application number 201320479661.8, this patent includes valve body, flotation pontoon, valve gap, uide bushing, valve rod, spring, clamp plate, lock nut and dust cover are constituteed, the flotation pontoon with valve gap sealing department is provided with rubber seal, rubber seal installs on the flotation pontoon, have that the leakproofness is good, zero leaks, nominal pressure is high and long service life's advantage.
However, the above patent still has a certain disadvantage, for example, the mounting opening at the bottom of the valve body is not provided with a high sealing structure, and although the rubber sealing ring is arranged between the pontoon and the valve cover in the valve body, the problem that the sealing performance at the mounting opening at the bottom of the valve body is reduced in the long-time use process cannot be solved, so the utility model aims to improve the sealing performance of the sealing air valve mounting opening position through the high sealing structure.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a high-pressure composite sealing air valve.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the high-pressure composite sealing air valve comprises a valve cover, wherein a top cover mechanism is arranged at the top of the valve cover, a valve body is arranged at the bottom of the valve cover, a mounting base is arranged at the bottom of the valve body, a chassis is arranged at the bottom of the surface of the mounting base, a high sealing mechanism is arranged in an inner cavity of the mounting base, and a through hole is formed in the surface of the valve cover.
As a further description of the above technical solution:
The top cap mechanism includes the valve top cap, the right side at valve top cap top is provided with the manometer, the left side threaded connection at valve top cap top has the screw, the bottom of screw runs through to the inner chamber of valve gap, the bottom of valve top cap is provided with inserts a section of thick bamboo, the right side on valve gap surface is run through and is connected with the screw rod, the top of screw rod and the bottom swing joint of valve top cap, the bottom threaded connection on screw rod surface has the nut.
As a further description of the above technical solution:
The high sealing mechanism comprises a positioning cylinder, one side of the positioning cylinder is fixedly connected with the inner wall of the mounting base, a groove is formed in the bottom of the positioning cylinder, a spring is arranged at the top of an inner cavity of the groove, a connecting sheet is fixedly connected to the bottom of the spring, a connecting rod is fixedly connected to the bottom of the connecting sheet, a sealing disc is fixedly connected to the bottom of the connecting rod, and a sealing gasket is arranged at the bottom of the sealing disc.
As a further description of the above technical solution:
Limiting blocks are arranged on two sides of the inner cavity of the groove, and the top of each limiting block is in contact with the bottom of each connecting sheet.
As a further description of the above technical solution:
the inner cavity of the through hole is provided with a sealing ring, and the inner cavity of the sealing ring is movably connected with the surface of the insertion barrel.
As a further description of the above technical solution:
The valve top cover is characterized in that inserted bars are arranged on two sides of the bottom of the valve top cover, and the bottom of each inserted bar penetrates through an inner cavity of the valve cover.
As a further description of the above technical solution:
the bottom of nut is provided with the regulating wheel, the surface of regulating wheel is provided with the tooth piece.
The utility model has the following beneficial effects:
1. Compared with the prior art, this high-pressure composite seal air valve is through setting up top cap mechanism for seal the top of valve gap, and top cap mechanism conveniently dismantles, and the maintainer is under the prerequisite of not using the instrument, can be quick open top cap mechanism, overhauls the subassembly of valve body inner chamber, compares in traditional air valve, and convenient to use degree is higher.
2. Compared with the prior art, the high-pressure composite sealing air valve can increase the tightness of the bottom of the installation through the high sealing mechanism, when the sealing air valve is installed at the installation position, the chassis gradually approaches to the installation surface along with the rotation of the bolts, the installation surface can extrude the sealing gasket and the sealing disc, at the moment, the spring arranged at the top of the sealing disc can reversely give the sealing disc an elastic resistance after being extruded, and the sealing disc and the sealing gasket are extruded through the resistance, so that the tightness between the installation base and the installation surface can be greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall equipment structure of the high-pressure composite sealing air valve provided by the utility model;
FIG. 2 is a schematic cross-sectional view of an overall apparatus of the high pressure composite seal air valve of the present utility model;
FIG. 3 is a perspective view of a cartridge and a seal ring of the high pressure composite seal air valve according to the present utility model;
Fig. 4 is an enlarged schematic view of a portion of the high pressure composite seal air valve of fig. 2 at a.
Legend description:
1. A valve cover; 2. a valve body; 3. a mounting base; 4. a chassis; 5. a through port; 6. a valve top cover; 7. a pressure gauge; 8. a screw; 9. a plug cylinder; 10. a screw; 11. a screw cap; 12. a positioning cylinder; 13. a groove; 14. a spring; 15. a connecting sheet; 16. a connecting rod; 17. a sealing plate; 18. a sealing gasket; 19. a limiting block; 20. a seal ring; 21. a rod; 22. and an adjusting wheel.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the high pressure composite seal air valve provided by the present utility model: including valve gap 1, the top of valve gap 1 is provided with top cap mechanism, the bottom of valve gap 1 is provided with valve body 2, the bottom of valve body 2 is provided with installation base 3, the bottom on installation base 3 surface is provided with chassis 4, the inner chamber of installation base 3 is provided with high sealing mechanism, opening 5 has been seted up on the surface of valve gap 1.
The top cap mechanism includes valve top cap 6, the right side at valve top cap 6 top is provided with manometer 7, the left side threaded connection at valve top cap 6 top has screw 8, the bottom of screw 8 runs through to the inner chamber of valve gap 1, the bottom of valve top cap 6 is provided with cartridge 9, the right side on valve gap 1 surface is connected with screw rod 10 in a running-through manner, the bottom swing joint of screw rod 10 and valve top cap 6, the bottom threaded connection on screw rod 10 surface has nut 11.
Through above-mentioned technical scheme, through setting up top cap mechanism for seal the top of valve gap 1, and top cap mechanism conveniently dismantles, and under the prerequisite that does not use the instrument, the maintainer can be quick open top cap mechanism, overhauls the subassembly of valve body 2 inner chamber.
The high sealing mechanism comprises a positioning barrel 12, one side of the positioning barrel 12 is fixedly connected with the inner wall of the mounting base 3, a groove 13 is formed in the bottom of the positioning barrel 12, a spring 14 is arranged at the top of an inner cavity of the groove 13, a connecting sheet 15 is fixedly connected to the bottom of the spring 14, a connecting rod 16 is fixedly connected to the bottom of the connecting sheet 15, a sealing disc 17 is fixedly connected to the bottom of the connecting rod 16, and a sealing gasket 18 is arranged at the bottom of the sealing disc 17.
Through above-mentioned technical scheme, through setting up high sealing mechanism, can increase the leakproofness of installation bottom, make the installation base 3 inseparabler of laminating with the installation face of mounted position, make this air valve be difficult for appearing leaking in its mounted position in long-term use.
Limiting blocks 19 are arranged on two sides of the inner cavity of the groove 13, and the top of each limiting block 19 is in contact with the bottom of each connecting sheet 15.
Through the above technical scheme, be used for limiting the bottom of connection piece 15, can restrict the scope when it reciprocates.
The inner cavity of the through hole 5 is provided with a sealing ring 20, and the inner cavity of the sealing ring 20 is movably connected with the surface of the insertion barrel 9.
Through above-mentioned technical scheme, through setting up sealing washer 20, can increase the leakproofness between through-hole 5 inner chamber and the cartridge 9 surface.
The two sides of the bottom of the valve top cover 6 are respectively provided with a plug rod 21, and the bottom of the plug rod 21 penetrates through the inner cavity of the valve cover 1.
Through above-mentioned technical scheme, through setting up inserted bar 21, the inner chamber of valve gap 1 is inserted to the bottom of inserted bar 21, can increase the connection compactness between valve top cap 6 and the valve gap 1.
The bottom of the nut 11 is provided with an adjusting wheel 22, and the surface of the adjusting wheel 22 is provided with a tooth block.
Through above-mentioned technical scheme, through setting up regulating wheel 22, make things convenient for maintainer manual rotation nut 11, need not with the help of specialized tool.
Working principle: the air valve installation personnel moves the air valve to the installation surface of the installation base 3 at the bottom of the air valve to be positioned at the installation position, and sequentially plugs bolts into four installation holes on the surface of the chassis 4, the bolts are screwed into one ends of the bolts to enter the installation surface, the bolts drive the installation base 3 to approach the installation surface, the installation surface can press the sealing gasket 18 and the sealing disc 17 along with the approach of the installation base 3, at the moment, the spring 14 arranged at the top of the sealing disc 17 can reversely give the sealing disc 17 an elastic resistance after being pressed, the sealing disc 17 and the sealing gasket 18 are pressed through the resistance to improve the installation tightness between the bottom of the installation base 3 and the installation surface, if the air valve has a performance fault in a long-term use process, the maintenance personnel can screw the screw 8 to be separated from the inner cavity of the valve cover 1 at the bottom of the air valve, then screw cap 11 is screwed, along with the rotation of the screw cap 11, the screw rod 10 in the inner cavity of the screw cap 11 can move upwards, and the valve top cover 6 is driven to move upwards until the inserted rod 21 at the bottom of the valve top cover 6 is separated from the inner cavity of the valve cover 1, and the top of the valve top cover 6 is staggered with the top of the valve cover 1.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (5)
1. The high-pressure composite sealing air valve comprises a valve cover (1) and is characterized in that: the top of valve gap (1) is provided with top cap mechanism, the bottom of valve gap (1) is provided with valve body (2), the bottom of valve body (2) is provided with mounting base (3), the bottom of mounting base (3) surface is provided with chassis (4), the inner chamber of mounting base (3) is provided with high sealing mechanism, opening (5) have been seted up on the surface of valve gap (1), and top cap mechanism includes valve top cap (6), the right side at valve top cap (6) top is provided with manometer (7), the left side threaded connection at valve top cap (6) top has screw (8), the bottom of screw (8) runs through to the inner chamber of valve gap (1), the bottom of valve top cap (6) is provided with cartridge (9), the right side through connection on the surface of screw (10), the bottom threaded connection on screw (10) surface has nut (11), and high sealing mechanism includes positioning cylinder (12), the bottom of one side of valve top cap (6) is provided with recess (13) of the inner wall (13) of mounting base (3), the bottom fixedly connected with connection piece (15) of spring (14), the bottom fixedly connected with connecting rod (16) of connection piece (15), the bottom fixedly connected with sealing disk (17) of connecting rod (16), the bottom of sealing disk (17) is provided with sealed pad (18).
2. The high pressure, composite seal air valve of claim 1 wherein: limiting blocks (19) are arranged on two sides of the inner cavity of the groove (13), and the top of each limiting block (19) is in contact with the bottom of each connecting sheet (15).
3. The high pressure, composite seal air valve of claim 1 wherein: the inner cavity of the through hole (5) is provided with a sealing ring (20), and the inner cavity of the sealing ring (20) is movably connected with the surface of the plug tube (9).
4. The high pressure, composite seal air valve of claim 1 wherein: the two sides of the bottom of the valve top cover (6) are respectively provided with an inserting rod (21), and the bottom of the inserting rod (21) penetrates through the inner cavity of the valve cover (1).
5. The high pressure, composite seal air valve of claim 1 wherein: the bottom of nut (11) is provided with adjustment wheel (22), the surface of adjustment wheel (22) is provided with the tooth piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323054856.0U CN221196247U (en) | 2023-11-13 | 2023-11-13 | High-pressure composite sealing air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323054856.0U CN221196247U (en) | 2023-11-13 | 2023-11-13 | High-pressure composite sealing air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221196247U true CN221196247U (en) | 2024-06-21 |
Family
ID=91490606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323054856.0U Active CN221196247U (en) | 2023-11-13 | 2023-11-13 | High-pressure composite sealing air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221196247U (en) |
-
2023
- 2023-11-13 CN CN202323054856.0U patent/CN221196247U/en active Active
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