CN219911877U - Ball valve self-closing valve - Google Patents
Ball valve self-closing valve Download PDFInfo
- Publication number
- CN219911877U CN219911877U CN202320327288.8U CN202320327288U CN219911877U CN 219911877 U CN219911877 U CN 219911877U CN 202320327288 U CN202320327288 U CN 202320327288U CN 219911877 U CN219911877 U CN 219911877U
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- China
- Prior art keywords
- self
- ball valve
- closing valve
- valve body
- fixedly connected
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000009530 blood pressure measurement Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 19
- 239000002737 fuel gas Substances 0.000 description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Landscapes
- Taps Or Cocks (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model provides a ball valve self-closing valve, which comprises a self-closing valve body, wherein one side of the self-closing valve body is fixedly connected with an air inlet pipe, the other end of the self-closing valve body is fixedly connected with a ball valve, one end of the ball valve is fixedly connected with an air outlet pipe, the outer wall of the air outlet pipe is fixedly connected with a pressure measuring device, the self-closing valve body comprises an air inlet hole, the top of the self-closing valve body is provided with a lifting button, the outer wall of the lifting button is provided with a first sealing element, the bottom of the lifting button is fixedly connected with a connecting rod, the bottom of the connecting rod is fixedly connected with a moving block, one side of the moving block is rotationally connected with a first rotating rod, the other side of the moving block is rotationally connected with a second rotating rod, one end of the second rotating rod is rotationally connected with a valve rod, and one end of the valve rod is fixedly connected with a valve plug; according to the utility model, the knob is rotated, so that the ball valve rod drives the ball valve body at the bottom to rotate, and the gas can be directly cut off manually from the self-closing valve body.
Description
Technical Field
The utility model belongs to the field of self-closing valves, and particularly relates to a ball valve self-closing valve.
Background
The gas such as natural gas and the like enters thousands of households, and the gas has the characteristic of inflammability, and once the gas leaks due to ageing and fracture of a pipeline, the gas can bring serious threat to the life and property safety of users. The gas self-closing valve is arranged at the tail end of an indoor low-pressure gas pipeline.
The existing self-closing valve can be automatically closed when the pressure is sensed to be too low or too high, the existing self-closing valve needs to be manually reset after the valve is closed, so that the valve can be normally used, a ball valve is normally arranged between the self-closing valve and a gas stove so as to prevent the gas self-closing valve from being in flexible state, the valve is conveniently manually interfered with the gas self-closing valve, the ball valve is excessively troublesome to additionally install before the stove, and an additional air pipe is needed, so that the valve is very inconvenient.
In summary, the present utility model provides a ball valve self-closing valve to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a ball valve self-closing valve, which aims to solve the problems that in the prior art, the existing self-closing valve can be automatically closed when the sensed pressure is too low or too high, but the existing self-closing valve needs to be manually reset after the valve is closed so as to be normally used, and in order to prevent the gas self-closing valve from losing the inspiration, a ball valve is arranged between the self-closing valve and a gas stove so as to be convenient for manual intervention, but the ball valve is excessively troublesome to additionally install before the stove, and an additional air pipe is needed, so that inconvenience is caused;
in order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a ball valve self-closing valve, includes the self-closing valve body, one side fixedly connected with intake pipe of self-closing valve body, the other end fixedly connected with ball valve of self-closing valve body, the one end fixedly connected with outlet duct of ball valve, the outer wall fixedly connected with pressure measurement ware of outlet duct, the self-closing valve body includes the inlet port, the button is installed at the top of self-closing valve body, the outer wall of button is provided with first sealing member, the bottom fixedly connected with connecting rod of button is carried, the bottom fixedly connected with movable block of connecting rod, one side rotation of movable block is connected with first dwang, the opposite side rotation of movable block is connected with the second dwang, the one end rotation of second dwang is connected with the valve rod, the one end fixedly connected with valve plug of valve rod.
Preferably, the valve plug is located inside the air inlet pipe, and the size of the valve plug is larger than that of the air inlet hole.
Preferably, the other end of the first rotating rod forms a rotating connection structure with the inside of the self-closing valve body through a rotating shaft.
Preferably, the ball valve comprises a ball valve body, sealing rings are arranged on two sides of the ball valve body, a ball valve rod is connected to the top of the ball valve body, and a knob is fixedly connected to the top of the ball valve rod.
Preferably, the sealing rings are two, and the two sealing rings are tightly attached to the outer wall of the ball valve body.
Preferably, the pressure gauge comprises a housing, a top cover is connected with the top of the housing in a threaded manner, a pressure measuring air tap is arranged in the housing, and a second sealing piece is arranged in the top cover.
Preferably, the shell is communicated with the air outlet pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model introduces the fuel gas through the air inlet pipe, and if the pressure is normal, the valve plug outwards extends to enable the fuel gas to enter the self-closing valve body from the air inlet hole and be discharged from the air outlet pipe through the ball valve, and if the self-closing valve body fails, the ball valve rod drives the ball valve body at the bottom to rotate by rotating the knob, so that the fuel gas can be directly cut off manually from the self-closing valve body.
2. In the process of conveying the gas through the gas outlet pipe, the gas can enter the shell from the opening formed in the gas outlet pipe, and the gas pressure can be detected more conveniently through the pressure measuring nozzle.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the self-closing valve of the present utility model after opening;
FIG. 3 is a schematic cross-sectional view of the self-closing valve of the present utility model after closing;
fig. 4 is an enlarged schematic view of the present utility model a.
In the figure:
1. a self-closing valve body; 2. an air inlet pipe; 3. a ball valve; 4. an air outlet pipe; 5. a pressure gauge; 11. an air inlet hole; 12. a lifting button; 13. a first seal; 14. a connecting rod; 15. a moving block; 16. a first rotating lever; 17. a second rotating lever; 18. a valve stem; 19. a valve plug; 31. a ball valve body; 32. a seal ring; 33. a knob; 34. a ball valve stem; 51. a housing; 52. a top cover; 53. a pressure measuring air tap; 54. and a second seal.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-3, the utility model provides a ball valve self-closing valve, which comprises a self-closing valve body 1, wherein one side of the self-closing valve body 1 is fixedly connected with an air inlet pipe 2, threads are arranged on the inner wall of one end of the air inlet pipe 2 and are convenient to connect with an air pipe, the other end of the self-closing valve body 1 is fixedly connected with a ball valve 3, the self-closing valve body 1 is communicated with the ball valve 3, one end of the ball valve 3 is fixedly connected with an air outlet pipe 4, the outer wall of the air outlet pipe 4 is fixedly connected with a pressure measuring device 5, the self-closing valve body 1 comprises an air inlet hole 11, a lifting button 12 is arranged at the top of the self-closing valve body 1, a first sealing piece 13 is arranged on the outer wall of the lifting button 12, the first sealing piece 13 is used for sealing the lifting button 12, the inside of the self-closing valve body 1 is prevented from leaking air from the top, the bottom of the lifting button 12 is fixedly connected with a connecting rod 14, the bottom of the connecting rod 14 is fixedly connected with a moving block 15, one side of the moving block 15 is rotatably connected with a first rotating rod 16, the other side of the moving block 15 is rotatably connected with a second rotating rod 17, one end of the second rotating rod 17 is rotatably connected with a valve rod 18, and one end of the second rotating rod 17 is rotatably connected with a valve rod 19, and one end of the valve rod 19 is fixedly connected with a valve plug 19.
Referring to fig. 1-3, the valve plug 19 is located inside the air inlet pipe 2, and the size of the valve plug 19 is larger than that of the air inlet hole 11, the moving block 15 moves downward when the air pressure is insufficient, at this time, the first rotating rod 16 and the second rotating rod 17 also bend along with the movement of the moving block 15, and the second rotating rod 17 bends to pull the valve rod 18 to block the air inlet hole 11 by the valve plug 19, so that the conveyed fuel gas is cut off.
Referring to fig. 1 to 3, the other end of the first rotating rod 16 forms a rotating connection structure with the inside of the self-closing valve body 1 through a rotating shaft.
Referring to fig. 1-3, the ball valve 3 includes a ball valve body 31, sealing rings 32 are arranged on two sides of the ball valve body 31, a ball valve rod 34 is connected to the top of the ball valve body 31, and a knob 33 is fixedly connected to the top of the ball valve rod 34.
Referring to fig. 1-3, there are two sealing rings 32, and the two sealing rings 32 are tightly attached to the outer wall of the ball valve body 31, and the ball valve body 31 is sealed by the two sealing rings 32 when rotating, and at the same time, the gas is prevented from being exposed from the gap of the top knob 33.
Referring to fig. 1 to 4, the pressure gauge 5 includes a housing 51, a top cover 52 is screwed on the top of the housing 51, a pressure tap 53 is disposed in the housing 51, a second sealing member 54 is disposed in the top cover 52, the second sealing member 54 is used for preventing gas from exposing from the top cover 52, and the second sealing member 54 is used for sealing the top of the pressure tap 53.
Referring to fig. 1-4, the housing 51 is communicated with the air outlet pipe 4, and the pressure can be detected more conveniently through the pressure measuring nozzle 53, so that the internal air pressure can be detected when the self-closing valve body 1 and the ball valve 3 are closed.
The specific working principle is as follows: as shown in fig. 1 to 4, when the ball valve self-closing valve is used, firstly, under normal conditions, fuel gas enters the air inlet pipe 2 and enters the self-closing valve body 1 through the air inlet hole 11, and is conveyed to the gas stove from the air outlet pipe 4 through the ball valve 3, when the pressure of the fuel gas is insufficient, the movable block 15 moves downwards, at the moment, the first rotary rod 16 and the second rotary rod 17 also bend along with the movement of the movable block 15, the second rotary rod 17 bends to pull the valve rod 18 so as to block the air inlet hole 11, thereby cutting off the external fuel gas, if the air pressure is recovered, the lifting button 12 can be pulled out to enable the self-closing valve body 1 to work normally, if the self-closing valve body 1 fails, the ball valve rod 34 drives the ball valve body 31 at the bottom to rotate through the rotary knob 33, so that the fuel gas can be cut off directly from the self-closing valve body 1, when the air pressure inside the air outlet pipe 4 needs to be detected, the opening formed through the air outlet pipe 4 enters the casing 51, and the air pressure can be detected more conveniently through the pressure measuring nozzle 53.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (7)
1. The utility model provides a ball valve self-closing valve, includes self-closing valve body (1), its characterized in that: one side fixedly connected with intake pipe (2) of self-closing valve body (1), the other end fixedly connected with ball valve (3) of self-closing valve body (1), one end fixedly connected with outlet duct (4) of ball valve (3), the outer wall fixedly connected with pressure measurement ware (5) of outlet duct (4), self-closing valve body (1) include inlet port (11), carry button (12) are installed at the top of self-closing valve body (1), the outer wall of carrying button (12) is provided with first sealing member (13), the bottom fixedly connected with connecting rod (14) of carrying button (12), the bottom fixedly connected with movable block (15) of connecting rod (14), one side rotation of movable block (15) is connected with first dwang (16), the opposite side rotation of movable block (15) is connected with second dwang (17), the one end rotation of second dwang (17) is connected with valve rod (18), one end fixedly connected with valve plug (19) of valve rod (18).
2. A ball valve self-closing valve as defined in claim 1, wherein: the valve plug (19) is positioned in the air inlet pipe (2), and the size of the valve plug (19) is larger than that of the air inlet hole (11).
3. A ball valve self-closing valve as defined in claim 1, wherein: the other end of the first rotating rod (16) and the inside of the self-closing valve body (1) form a rotating connection structure through a rotating shaft.
4. A ball valve self-closing valve as defined in claim 1, wherein: the ball valve (3) comprises a ball valve body (31), sealing rings (32) are arranged on two sides of the ball valve body (31), a ball valve rod (34) is connected to the top of the ball valve body (31), and a knob (33) is fixedly connected to the top of the ball valve rod (34).
5. A ball valve self-closing valve as defined in claim 4, wherein: two sealing rings (32) are arranged, and the two sealing rings (32) are tightly attached to the outer wall of the ball valve body (31).
6. A ball valve self-closing valve as defined in claim 1, wherein: the pressure measuring device (5) comprises a shell (51), a top cover (52) is connected to the top of the shell (51) in a threaded mode, a pressure measuring air tap (53) is arranged in the shell (51), and a second sealing piece (54) is arranged in the top cover (52).
7. The ball valve self-closing valve as defined in claim 6, wherein: the shell (51) is communicated with the air outlet pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320327288.8U CN219911877U (en) | 2023-02-27 | 2023-02-27 | Ball valve self-closing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320327288.8U CN219911877U (en) | 2023-02-27 | 2023-02-27 | Ball valve self-closing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911877U true CN219911877U (en) | 2023-10-27 |
Family
ID=88437493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320327288.8U Active CN219911877U (en) | 2023-02-27 | 2023-02-27 | Ball valve self-closing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911877U (en) |
-
2023
- 2023-02-27 CN CN202320327288.8U patent/CN219911877U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |