CN220688064U - Safety butterfly valve - Google Patents
Safety butterfly valve Download PDFInfo
- Publication number
- CN220688064U CN220688064U CN202322417382.5U CN202322417382U CN220688064U CN 220688064 U CN220688064 U CN 220688064U CN 202322417382 U CN202322417382 U CN 202322417382U CN 220688064 U CN220688064 U CN 220688064U
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- Prior art keywords
- butterfly valve
- leakage
- valve
- valve clack
- wall
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- 229920003051 synthetic elastomer Polymers 0.000 claims description 21
- 239000005061 synthetic rubber Substances 0.000 claims description 21
- 229910000838 Al alloy Inorganic materials 0.000 claims description 17
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of butterfly valves and discloses a safety butterfly valve, which comprises a butterfly valve shell body, wherein a pressure alarm is arranged on the left side of the top of the butterfly valve shell body, a gas leakage alarm is arranged on the right side of the top of the butterfly valve shell body, a safety switch valve clack assembly is arranged at the middle end of the inner wall of the butterfly valve shell body and comprises a switch hand wheel, a first connecting column is fixedly arranged at the bottom of the switch hand wheel, and the safety switch valve clack assembly is arranged to improve the overall structural strength of the first, second and third anti-leakage valve clacks through the first, second and third anti-leakage valve clacks, and further improve the sealing performance, corrosion resistance and high pressure resistance of the whole first, second and third anti-leakage valve clacks and improve the safety performance of the whole butterfly valve.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a safety butterfly valve.
Background
The butterfly valve is also called as a flap valve, and is a valve which has a simple structure and can be used for opening and closing low-pressure pipeline media. The butterfly valve is a valve which is turned back and forth by about 90 degrees by a disc type opening and closing member to open, close or regulate the flow of medium. The butterfly valve has the advantages of simple structure, small volume, light weight, material consumption saving, small installation size, small driving moment, simple and rapid operation, and can simultaneously have good flow regulating function and closing sealing property, thereby being one of the fastest-developing valve varieties in more than ten years. Butterfly valves are very widely used. The variety and number of the used materials are still expanding, and the materials develop to high temperature, high pressure, large caliber, high sealing performance, long service life, excellent regulation property and multifunction of a valve. The reliability and other performance indexes of the device reach higher level.
However, when the existing butterfly valve is used on a flammable and explosive gas pipeline, once the single valve clack is sealed, the risk of gas leakage is easily caused, and then the accident of gas explosion is easily caused, so that the safety of the integral butterfly valve is lower.
To this end we propose a safety butterfly valve.
Disclosure of Invention
The utility model mainly solves the technical problems in the prior art and provides a safety butterfly valve.
In order to achieve the above purpose, the safety butterfly valve comprises a butterfly valve housing body, a pressure alarm is arranged on the left side of the top of the butterfly valve housing body, a gas leakage alarm is arranged on the right side of the top of the butterfly valve housing body, a safety switch valve clack assembly is arranged at the middle end of the inner wall of the butterfly valve housing body, the safety switch valve clack assembly comprises a switch hand wheel, a first connecting column is fixedly arranged at the bottom of the switch hand wheel, the outer wall of the first connecting column is movably connected with the inner wall of the butterfly valve housing body, a first leakage-preventing valve clack is fixedly arranged at the middle end of the bottom of the first connecting column, the outer wall of the first leakage-preventing valve clack is movably connected with the inner wall of the butterfly valve housing body, a second connecting column is fixedly arranged at the bottom of the first leakage-preventing valve clack, and the outer wall of the second connecting column is movably connected with the lower end of the inner wall of the butterfly valve housing body.
Preferably, the bottom left side of the first connecting column is fixedly provided with a second anti-leakage valve clack, and the structure of the second anti-leakage valve clack is consistent with that of the first anti-leakage valve clack.
Preferably, the outer wall of the second anti-leakage valve clack is movably connected with the inner wall of the butterfly valve shell body, and the bottom of the second anti-leakage valve clack is fixedly connected with the left side of the top of the second connecting column.
Preferably, a third leakage-proof valve clack is fixedly arranged on the right side of the bottom of the first connecting column, and the structure of the third leakage-proof valve clack is consistent with that of the first leakage-proof valve clack.
Preferably, the outer wall of the third leakage-proof valve clack is movably connected with the inner wall of the butterfly valve shell body, and the bottom of the third leakage-proof valve clack is fixedly connected with the right side of the top of the second connecting column.
Preferably, the first leakage-proof valve clack comprises an aluminum alloy valve clack main body, and a first synthetic rubber is fixedly arranged on the left side wall surface of the aluminum alloy valve clack main body.
Preferably, the right side wall surface of the aluminum alloy valve clack main body is fixedly provided with second synthetic rubber.
Preferably, the outer wall of the aluminum alloy valve clack main body is fixedly provided with third synthetic rubber.
Preferably, the outer wall of the third synthetic rubber is movably connected with the inner wall of the butterfly valve shell body.
Advantageous effects
The utility model provides a safe butterfly valve. The beneficial effects are as follows:
(1) This safe type butterfly valve through having set up the safety switch valve clack subassembly, the safety switch valve clack subassembly can be through first leak-proof valve clack, the second leak-proof valve clack and the third leak-proof valve clack switch to the inner wall of butterfly valve shell body, the high leakproofness of butterfly valve shell body has been guaranteed, simultaneously first leak-proof valve clack, second leak-proof valve clack and third leak-proof valve clack adopt the aluminum alloy valve clack main part to be the frame main part, first synthetic rubber, third synthetic rubber and second synthetic rubber wrap up the aluminum alloy valve clack main part, the holistic structural strength of first leak-proof valve clack, second leak-proof valve clack and third leak-proof valve clack has not only been improved, the second leak-proof valve clack and third leak-proof valve clack's sealing performance, corrosion-resistant and high pressure resistant performance have still been improved whole butterfly valve's security performance.
(2) This safe type butterfly valve through having set up pressure alarm, pressure alarm can carry out pressure monitoring to the butterfly valve shell body under the sealing state, can send out the alarm when the pressure of butterfly valve shell body is too high and prevent that high pressure from leading to the damage of safety switch valve clack subassembly to cause the condition emergence of coal gas leakage.
(3) According to the safety butterfly valve, the gas leakage alarm is arranged, so that the gas leakage alarm can monitor the gas leakage of the butterfly valve shell body in a sealed state, and the occurrence of safety accidents caused by gas leakage due to the problem of sealing of the safety switch valve clack assembly is prevented.
Drawings
FIG. 1 is a perspective view of the internal structure of the present utility model;
FIG. 2 is a schematic diagram of a safety switch flap assembly of the present utility model;
FIG. 3 is a schematic view of the left side wall structure of the first leak-proof valve clack of the present utility model;
fig. 4 is a cross-sectional view showing the internal structure of the first leakage preventing valve flap of the present utility model.
Legend description: 10. a butterfly valve housing body; 11. a pressure alarm; 12. a gas leakage alarm; 13. a safety switch valve flap assembly; 14. a switch hand wheel; 15. a first connection post; 16. a first leakage-preventing valve flap; 17. a second connection post; 18. a second leakage-preventing valve flap; 19. a third leakage-preventing valve flap; 20. a first synthetic rubber; 21. a third synthetic rubber; 22. an aluminum alloy valve clack body; 23. and a second synthetic rubber.
Detailed Description
Embodiment one: the utility model provides a safe butterfly valve, as shown in fig. 1, including butterfly valve shell body 10, the top left side of butterfly valve shell body 10 is provided with pressure alarm 11, the top right side of butterfly valve shell body 10 is provided with gas leakage alarm 12, the inner wall middle-end of butterfly valve shell body 10 is provided with safety switch valve clack subassembly 13, through having set up safety switch valve clack subassembly 13, safety switch valve clack subassembly 13 can be through first leak-proof valve clack 16, second leak-proof valve clack 18 and third leak-proof valve clack 19 three valve clacks switch the inner wall of butterfly valve shell body 10, the high leakproofness of butterfly valve shell body 10 has been guaranteed, simultaneously first leak-proof valve clack 16, second leak-proof valve clack 18 and third leak-proof valve clack 19 adopt aluminum alloy valve clack main part 22 to be the frame body, first synthetic rubber 20, third synthetic rubber 21 and second synthetic rubber 23 wrap up aluminum alloy valve clack main part 22, not only improved first leak-proof valve clack 16, second leak-proof valve clack 18 and third leak-proof valve clack 19 holistic structural strength, still improved whole first leak-proof valve clack 16, second leak-proof valve clack 18 and third leak-proof valve clack 19, the high-proof performance has been improved, the whole seal performance of butterfly valve, and the safety performance has been improved.
Embodiment two: on the basis of the first embodiment, as shown in fig. 2, the safety switch valve clack assembly 13 comprises a switch hand wheel 14, a first connecting column 15 is fixedly installed at the bottom of the switch hand wheel 14, the outer wall of the first connecting column 15 is movably connected with the inner wall of the butterfly valve shell body 10, a first anti-leakage valve clack 16 is fixedly installed at the middle end of the bottom of the first connecting column 15, the outer wall of the first anti-leakage valve clack 16 is movably connected with the inner wall of the butterfly valve shell body 10, a second connecting column 17 is fixedly installed at the bottom of the first anti-leakage valve clack 16, the outer wall of the second connecting column 17 is movably connected with the inner wall of the butterfly valve shell body 10, the structure of the second anti-leakage valve clack 18 is consistent with the first anti-leakage valve clack 16, the outer wall of the second anti-leakage valve clack 18 is movably connected with the inner wall of the butterfly valve shell body 10, a third anti-leakage valve clack 19 is fixedly installed at the right side of the bottom of the first connecting column 15, the third anti-leakage valve clack 16 is fixedly installed at the bottom of the third connecting column 15, the third anti-leakage valve clack 16 is fixedly connected with the inner wall of the butterfly valve shell body 10 through the third anti-leakage valve 11, and the pressure alarm device is fixedly connected with the inner wall of the butterfly valve shell body 10 when the pressure alarm 11 is in a high pressure state, and the pressure state is detected, and the alarm is set up, and the alarm is prevented from damaging the pressure valve shell 10 is high, and the alarm valve shell 11 is high, and the alarm is caused.
Embodiment III: on the basis of the first embodiment and the second embodiment, as shown in fig. 3-4, the first anti-leakage valve clack 16 comprises an aluminum alloy valve clack main body 22, a first synthetic rubber 20 is fixedly installed on the left side wall surface of the aluminum alloy valve clack main body 22, a second synthetic rubber 23 is fixedly installed on the right side wall surface of the aluminum alloy valve clack main body 22, a third synthetic rubber 21 is fixedly installed on the outer wall of the aluminum alloy valve clack main body 22, the outer wall of the third synthetic rubber 21 is movably connected with the inner wall of the butterfly valve shell body 10, and the gas leakage alarm 12 can monitor gas leakage of the butterfly valve shell body 10 in a sealing state through the arrangement of the gas leakage alarm 12, so that the occurrence of a safety accident caused by gas leakage due to the sealing occurrence of a safety switch valve clack assembly 13 is prevented.
The working principle of the utility model is as follows: through the switch hand wheel 14 on the rotatory safety switch valve clack subassembly 13, the switch hand wheel 14 drives first leak protection valve clack 16 respectively through first spliced pole 15, second leak protection valve clack 18 and third leak protection valve clack 19 begin rotatory, first leak protection valve clack 16, second leak protection valve clack 18 and third leak protection valve clack 19 seal up the inner wall of butterfly valve shell body 10, can carry out pressure monitoring to the inner wall left side of butterfly valve shell body 10 through pressure alarm 11, can send out the alarm when the inner wall left side pressure of butterfly valve shell body 10 is too big, can carry out the gas leakage monitoring to the inner wall right side of butterfly valve shell body 10 through gas leakage alarm 12, can in time send out the alarm after gas leakage alarm 12 detects the gas leakage under the closed state when safety switch valve clack subassembly 13, avoid taking place the incident.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a safe type butterfly valve, includes butterfly valve shell body (10), its characterized in that: the butterfly valve is characterized in that a pressure alarm (11) is arranged on the left side of the top of the butterfly valve shell body (10), a gas leakage alarm (12) is arranged on the right side of the top of the butterfly valve shell body (10), a safety switch valve clack assembly (13) is arranged at the middle end of the inner wall of the butterfly valve shell body (10), the safety switch valve clack assembly (13) comprises a switch hand wheel (14), a first connecting column (15) is fixedly arranged at the bottom of the switch hand wheel (14), the outer wall of the first connecting column (15) is movably connected with the inner wall of the butterfly valve shell body (10), a first leakage-preventing valve clack (16) is fixedly arranged at the middle end of the bottom of the first connecting column (15), the outer wall of the first leakage-preventing valve clack (16) is movably connected with the inner wall of the butterfly valve shell body (10), a second connecting column (17) is fixedly arranged at the bottom of the first leakage-preventing valve clack (16), and the outer wall of the second connecting column (17) is movably connected with the lower end of the inner wall of the butterfly valve shell body (10).
2. The safety butterfly valve of claim 1, wherein: the second anti-leakage valve clack (18) is fixedly arranged on the left side of the bottom of the first connecting column (15), and the structure of the second anti-leakage valve clack (18) is consistent with that of the first anti-leakage valve clack (16).
3. The safety butterfly valve of claim 2, wherein: the outer wall of the second anti-leakage valve clack (18) is movably connected with the inner wall of the butterfly valve shell body (10), and the bottom of the second anti-leakage valve clack (18) is fixedly connected with the left side of the top of the second connecting column (17).
4. The safety butterfly valve of claim 1, wherein: the third leakage-proof valve clack (19) is fixedly arranged on the right side of the bottom of the first connecting column (15), and the structure of the third leakage-proof valve clack (19) is consistent with that of the first leakage-proof valve clack (16).
5. The safety butterfly valve of claim 4, wherein: the outer wall of the third leakage-proof valve clack (19) is movably connected with the inner wall of the butterfly valve shell body (10), and the bottom of the third leakage-proof valve clack (19) is fixedly connected with the right side of the top of the second connecting column (17).
6. The safety butterfly valve of claim 1, wherein: the first leakage-proof valve clack (16) comprises an aluminum alloy valve clack main body (22), and a first synthetic rubber (20) is fixedly arranged on the left side wall surface of the aluminum alloy valve clack main body (22).
7. The safety butterfly valve of claim 6, wherein: the right side wall surface of the aluminum alloy valve clack main body (22) is fixedly provided with a second synthetic rubber (23).
8. The safety butterfly valve of claim 6, wherein: the outer wall of the aluminum alloy valve clack main body (22) is fixedly provided with a third synthetic rubber (21).
9. The safety butterfly valve of claim 8, wherein: the outer wall of the third synthetic rubber (21) is movably connected with the inner wall of the butterfly valve shell body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417382.5U CN220688064U (en) | 2023-09-06 | 2023-09-06 | Safety butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322417382.5U CN220688064U (en) | 2023-09-06 | 2023-09-06 | Safety butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220688064U true CN220688064U (en) | 2024-03-29 |
Family
ID=90402696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322417382.5U Active CN220688064U (en) | 2023-09-06 | 2023-09-06 | Safety butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220688064U (en) |
-
2023
- 2023-09-06 CN CN202322417382.5U patent/CN220688064U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |