CN220302898U - Leakage-proof air valve - Google Patents
Leakage-proof air valve Download PDFInfo
- Publication number
- CN220302898U CN220302898U CN202321945432.0U CN202321945432U CN220302898U CN 220302898 U CN220302898 U CN 220302898U CN 202321945432 U CN202321945432 U CN 202321945432U CN 220302898 U CN220302898 U CN 220302898U
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- Prior art keywords
- valve
- air
- exhaust hole
- valve clack
- sliding rod
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- 238000007789 sealing Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 241001465754 Metazoa Species 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model relates to the technical field of air valves and discloses a leakage-proof air valve which comprises a valve body, a floating ball, a valve clack and a valve cover, wherein a protective cylinder is arranged at the upper end of the inner wall of the valve body, the bottom of the protective cylinder is provided with the floating ball, the valve clack is arranged above the floating ball, a first exhaust hole is arranged at the center position of the valve clack, a sliding rod is arranged at the top of the valve clack, a through groove matched with the first exhaust hole is arranged at the center position of the sliding rod, a sealing sleeve is arranged in the valve body and positioned at the top of the protective cylinder, a second exhaust hole is arranged at the position of the sliding rod, the diameter of the second exhaust hole is larger than the diameter of the sliding rod, a first sealing ring is arranged at the periphery of the bottom of the valve clack, and a second sealing ring matched with the second exhaust hole is arranged at the top of the valve clack.
Description
Technical Field
The utility model relates to the technical field of air valves, in particular to a leakage-proof air valve.
Background
The air valve is a special valve for preventing transient pressure reducing wave from generating negative pressure in the pipe, when the pressure in the pipe is lower than the atmospheric pressure, the air valve sucks air, when the pressure in the pipe is higher than the atmospheric pressure, the air valve discharges air, when the pipe is full of liquid in the pipe during air discharge, the valve in the air valve can be automatically closed, so that the liquid can not leak into the atmosphere, but the existing air valve has poor leakage prevention effect,
the utility model discloses a differential pressure flow passage air valve of a waterproof hammer and a waterproof hammer method, which are disclosed in Chinese patent publication No. CN111828692B and Chinese patent publication No. 2021, 9 and 10, and comprise a shell, wherein the bottom of the shell is provided with a fluid inlet and outlet, the top of the shell is provided with an air inlet and outlet, the lower part of the air inlet and outlet is provided with a ball valve seat, the middle of the shell is provided with a floating ball base and a floating ball, the floating ball base is connected with the bottom of a guide sleeve, the guide sleeve is fixedly connected with the shell through a plurality of flow resistance blocks, the flow resistance blocks are distributed around the rotation central axis of the shell in a layered and staggered way,
however, when in actual use, the air valve realizes the functions of quick air intake and slow air exhaust by different flow coefficients flowing in the positive and negative directions through the design of the blocking block, but the air valve is internally provided with only one floating ball, so that when the pipeline is full of liquid in the pipeline, the floating ball is difficult to block the liquid in the pipeline from flowing out of the pipeline by the floating ball alone, and animals or worms cannot be prevented from climbing into the air valve by the design, so that the floating ball in the air valve is easy to block, further the air valve is disabled, and the liquid in the pipeline flows out.
Disclosure of Invention
The utility model aims to provide a leakage-proof air valve, which solves the problem that the existing air valve is poor in leakage-proof effect.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a leak protection air valve, includes valve body, floater, valve clack and valve gap, valve body inner wall upper end is provided with protects a section of thick bamboo, it is provided with the floater to protect a section of thick bamboo bottom, the floater top is provided with the valve clack, valve clack central point puts and is equipped with first exhaust hole, the valve clack top is provided with the slide bar, slide bar central point puts and is equipped with the logical groove with first exhaust hole matched with, it is provided with the seal cover to lie in a section of thick bamboo top to protect in the valve body, the seal cover lies in slide bar department and is equipped with the second exhaust hole, the second exhaust hole diameter is greater than the slide bar diameter, the valve clack bottom is located and is provided with first sealing washer around the first exhaust hole, the valve clack top is provided with the second sealing washer with second exhaust hole matched with.
Preferably, the top of the valve body is fixedly connected with a support frame, and the support frame is positioned at the sliding rod and is fixedly connected with a lantern ring.
Preferably, the lantern ring is in sliding connection with the sliding rod.
Preferably, an air inlet is arranged at the bottom of the valve body.
Preferably, the top of the valve body is positioned around the supporting frame and fixedly connected with a protective net.
Preferably, a valve cover is arranged at the top of the protective net.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the design of the sealing sleeve and the second sealing ring, when the valve clack is in contact with the sealing sleeve, gas or liquid in the pipeline cannot flow out from a gap between the valve clack and the sealing sleeve, but only can be discharged from the first exhaust hole arranged on the valve clack, through the design of the first sealing ring, the gas or liquid in the pipeline cannot be discharged from the first exhaust hole when the floating ball is in contact with the valve clack, the tightness of the pipeline is kept, in addition, through the design of the sliding rod and the lantern ring, the valve clack is more stable when moving, the tightness of the valve clack cannot be reduced due to the inclination of the valve clack, and finally, the gas or liquid in the pipeline flows out, so that the valve clack is very practical.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic side sectional view of the present utility model;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 2;
fig. 4 is a schematic view of a partial enlarged structure at B in fig. 2.
In the figure: 1. a valve body; 2. a floating ball; 3. a valve flap; 4. a valve cover; 5. a protective barrel; 6. a first exhaust hole; 7. a slide bar; 8. a through groove; 9. sealing sleeve; 10. a second exhaust hole; 11. a first seal ring; 12. a second seal ring; 13. a support frame; 14. a collar; 15. an air inlet; 16. and a protective net.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a leak protection air valve, which comprises a valve body 1, a floating ball 2, a valve clack 3 and a valve cover 4, the upper end of the inner wall of the valve body 1 is provided with a protective cylinder 5, the bottom of the protective cylinder 5 is provided with the floating ball 2, the valve clack 3 is arranged above the floating ball 2, the central position of the valve clack 3 is provided with a first exhaust hole 6, the top of the valve clack 3 is provided with a slide bar 7, the central position of the slide bar 7 is provided with a through groove 8 matched with the first exhaust hole 6, the valve body 1 is internally provided with a sealing sleeve 9 at the top of the protective cylinder 5, the sealing sleeve 9 is provided with a second exhaust hole 10 at the position of the slide bar 7, the diameter of the second exhaust hole 10 is larger than the diameter of the slide bar 7, the bottom of the valve clack 3 is provided with a first sealing ring 11 around the first exhaust hole 6, the top of the valve clack 3 is provided with a second sealing ring 12 matched with the second exhaust hole 10,
in this embodiment, when the air pressure in the pipeline is low, the air in the pipeline enters the valve body 1 from the air inlet 15 at the bottom of the valve body 1, and passes through the protective cylinder 5 and the space seen by the valve body 1 to be discharged from the second air outlet 10 arranged on the sealing sleeve 9, when the air pressure in the pipeline is gradually increased, the air flow in the pipeline rapidly flows out from the second air outlet 10, so that the air pressure in the protective cylinder 5 is lower than the air pressure outside the protective cylinder 5, the valve clack 3 in the protective cylinder 5 starts to move upwards until contacting with the sealing sleeve 9, the second sealing ring 12 arranged at the top of the valve clack 3 completely blocks the second air outlet 10 in the process, so that the air or liquid in the pipeline cannot flow out from the gap between the valve clack 3 and the sealing sleeve 9, and the air in the pipeline can only pass through the first air outlet 6 arranged on the valve clack 3 and the through groove 8 arranged on the sliding rod 7,
when the water level in the pipeline starts to rise, the floating ball 2 in the protective cylinder 5 rises along with the rising of the water level until the floating ball is in contact with the valve clack 3, the first exhaust hole 6 is just blocked when the floating ball 2 is in contact with the valve clack 3, so that liquid in the pipeline cannot flow out, when a lot of gas is accumulated in the pipeline, the air pressure of the floating ball can downwards press the floating ball 2, at the moment, the first exhaust hole 6 can be opened, the gas in the pipeline can be rapidly discharged from the first exhaust hole 6, when the air pressure in the pipeline is reduced after the gas is discharged, the floating ball 2 can float to block the first exhaust hole 6, the position of the floating ball 2 in the protective cylinder 5 can be automatically adjusted according to the water level and the air pressure in the pipeline through the design, and the pressure in the pipeline can be further adjusted, so that the liquid in the pipeline cannot flow out, and the pipeline is well protected.
As shown in fig. 2 and 3, the top of the valve body 1 is fixedly connected with a supporting frame 13, the supporting frame 13 is located at the sliding rod 7 and is fixedly connected with a lantern ring 14, in this embodiment, through the design of the sliding rod 7 and the lantern ring 14, the valve clack 3 is more stable when moving, the valve clack 3 cannot have the leak tightness reduced due to the inclination, and finally the gas or liquid in the pipeline flows out.
As shown in fig. 2 and 3, the collar 14 is slidably connected to the slide rod 7, in this embodiment, since the slide rod 7 is fixed on the valve clack 3, the slide rod 7 moves along with the valve clack 3, so that the slide rod 7 and the collar 14 are slidably connected to each other, so that the slide rod 7 and the valve clack 3 can move normally.
As shown in fig. 1-2, an air inlet 15 is arranged at the bottom of the valve body 1, in this embodiment, air in the pipeline enters the valve body 1 through the air inlet 15, and the pressure in the pipeline is regulated under the action of the structures of the floating ball 2, the valve clack 3 and the like.
As shown in fig. 1-2, the top of the valve body 1 is fixedly connected with a protection net 16 around the supporting frame 13, in this embodiment, animals or worms outside the pipeline can be prevented from entering the pipeline through the air valve by the design of the protection net 16, so that the situation that the animals or worms climb into the air valve to block the floating ball 2 and cause the liquid in the pipeline to flow out is avoided.
As shown in fig. 1-2, the top of the protection net 16 is provided with the valve cover 4, in this embodiment, by the design of the valve cover 4, rainwater can be prevented from directly falling into the air valve and entering the pipeline when raining, so that the pressure of the pipeline is increased, and in addition, the valve cover 4 can also protect the internal structure of the valve body 1, so as to prevent animals outside the pipeline from damaging the valve body.
Working principle: when the air pressure in the pipeline is lower, air in the pipeline can enter the valve body 1 from the air inlet 15 at the bottom of the valve body 1 and can be discharged from the second air outlet 10 arranged on the sealing sleeve 9 through the space seen by the protective sleeve 5 and the valve body 1, when the air pressure in the pipeline is gradually increased, air flow in the pipeline can rapidly flow out of the second air outlet 10, so that the air pressure in the protective sleeve 5 is lower than the air pressure outside the protective sleeve 5, the valve clack 3 in the protective sleeve 5 is further moved upwards until the valve clack 3 is contacted with the sealing sleeve 9, the second air outlet 10 is completely blocked by the second sealing ring 12 arranged at the top of the valve clack 3 in the process, air or liquid in the pipeline can not flow out from a gap between the valve clack 3 and the sealing sleeve 9, the air in the pipeline can only pass through the first air outlet 6 arranged on the valve clack 3 and the through groove 8 arranged on the sliding rod 7, when the water level in the pipeline starts to rise, the floating ball 2 in the protective sleeve 5 can rise along with the rise of the water level until the water level, the air pressure in the protective sleeve 5 is just contacted with the valve clack 3, the air flow in the first pipeline 6 can be automatically regulated until the air pressure in the pipeline is not completely flows out of the air outlet 6, and the air in the pipeline can be automatically regulated when the air pressure in the air outlet 6 is not completely flows out of the air outlet 6, and the air outlet 6 is greatly reduced, and the air in the air outlet 6 can be greatly regulated when the air is not is stopped in the air outlet 6 is not in the air outlet 6, and the air outlet 6 is not is completely closed, and the air outlet is not in the air outlet is completely is opened, and the air condition air or the air is completely in the air condition air and the air condition is discharged through the air outlet 6 and is opened, and the pipeline is well protected.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the principles of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a leak protection air valve, includes valve body (1), floater (2), valve clack (3) and valve gap (4), its characterized in that: the valve is characterized in that a pile casing (5) is arranged at the upper end of the inner wall of the valve body (1), a floating ball (2) is arranged at the bottom of the pile casing (5), a valve clack (3) is arranged above the floating ball (2), a first exhaust hole (6) is formed in the center of the valve clack (3), a sliding rod (7) is arranged at the top of the valve clack (3), a through groove (8) matched with the first exhaust hole (6) is formed in the center of the sliding rod (7), a sealing sleeve (9) is arranged at the top of the pile casing (5) in the valve body (1), a second exhaust hole (10) is formed in the position of the sliding rod (7), the diameter of the second exhaust hole (10) is larger than that of the sliding rod (7), a first sealing ring (11) is arranged around the position of the bottom of the valve clack (3), and a second sealing ring (12) matched with the second exhaust hole (10) is arranged at the top of the valve clack (3).
2. A leak-proof air valve as defined in claim 1, wherein: the top of the valve body (1) is fixedly connected with a supporting frame (13), and the supporting frame (13) is fixedly connected with a lantern ring (14) at the sliding rod (7).
3. A leak-proof air valve as defined in claim 2, wherein: the lantern ring (14) is connected with the sliding rod (7) in a sliding way.
4. A leak-proof air valve as defined in claim 1, wherein: an air inlet (15) is arranged at the bottom of the valve body (1).
5. A leak-proof air valve as defined in claim 4, wherein: the top of the valve body (1) is positioned around the supporting frame (13) and fixedly connected with a protective net (16).
6. A leak-proof air valve as defined in claim 5, wherein: a valve cover (4) is arranged at the top of the protective screen (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945432.0U CN220302898U (en) | 2023-07-24 | 2023-07-24 | Leakage-proof air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321945432.0U CN220302898U (en) | 2023-07-24 | 2023-07-24 | Leakage-proof air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220302898U true CN220302898U (en) | 2024-01-05 |
Family
ID=89375593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321945432.0U Active CN220302898U (en) | 2023-07-24 | 2023-07-24 | Leakage-proof air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220302898U (en) |
-
2023
- 2023-07-24 CN CN202321945432.0U patent/CN220302898U/en active Active
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| GR01 | Patent grant |