CN220540439U - Leak-proof self-locking valve forging - Google Patents
Leak-proof self-locking valve forging Download PDFInfo
- Publication number
- CN220540439U CN220540439U CN202322105889.7U CN202322105889U CN220540439U CN 220540439 U CN220540439 U CN 220540439U CN 202322105889 U CN202322105889 U CN 202322105889U CN 220540439 U CN220540439 U CN 220540439U
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- Prior art keywords
- valve
- locking
- sealing ring
- air cushion
- leak
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- 238000005242 forging Methods 0.000 title claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 239000000945 filler Substances 0.000 claims abstract description 9
- 238000005299 abrasion Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 7
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a leakage-proof self-locking valve forging, which comprises a valve body, a valve rod and a valve cover, wherein a through hole which can be used for the valve rod to pass through is formed in the center of the valve cover. The detachable self-locking assembly is arranged at the valve cover above the filler, after the filler is worn and leaked, the air pressure sensor receives a pressure signal of leaked air, then the air pressure sensor transmits the signal to the PLC end, the micro air pump is controlled to work through the PLC end, the micro air pump works and pumps air to the locking air cushion, and the locking air cushion is gradually expanded under the action of the air and is clung to the surface of the valve rod, so that the anti-leakage sealing operation can be realized, and the safety of the whole use can be ensured; meanwhile, the traditional O-shaped sealing ring is replaced by the Grignard sealing ring, the abrasion-resistant part of the Grignard sealing ring has an abrasion-resistant effect, the abrasion is not easy to occur in the using process, the integral sealing stability of the structure is ensured, and meanwhile, the integral service life of the structure is effectively prolonged.
Description
Technical Field
The utility model belongs to the technical field of valves, and particularly relates to a leakage-proof self-locking valve forging.
Background
The valve is a pipeline accessory for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters of a conveying medium, is a part of a medium (such as gas) conveying system, and has the functions of stopping, adjusting, guiding, splitting and the like.
In actual use, the valve rod moves up and down in the opening process of the straight-stroke regulating valve, so that the situation of leakage and the like at the filler can be caused along with the abrasion of the filler, and the flammable and explosive or colorless and odorless highly toxic gas medium can cause hazards to the field environment and people, and potential hazards such as life safety and the like.
In view of this, a leak-proof self-locking valve forging is proposed.
Disclosure of Invention
The utility model aims at: in order to solve the problems, the leakage-proof self-locking valve forging is provided.
The technical scheme adopted by the utility model is as follows: the anti-leakage self-locking valve forging comprises a valve body, a valve rod and a valve cover, wherein a through hole for the valve rod to pass through is formed in the center of the valve cover in a penetrating manner, filler is arranged on the upper side of the through hole in the valve cover, and a sealing assembly is detachably arranged on the top wall of the valve cover above the filler;
the seal assembly includes: sealing ring, air pressure sensor and locking air cushion, the locking air cushion inlays to be established on the inner wall of sealing ring, the one end of locking air cushion is connected with the hose, the other end of hose is connected with miniature air pump.
In a preferred embodiment, the locking air cushion is annular in shape as a whole, and the upper side of the valve rod passes through the locking air cushion and the sealing ring and extends to the outer end of the sealing ring.
In a preferred embodiment, the lower side of the valve body is provided with an exhaust port, the left side of the valve body is provided with an exhaust port, and a medium circulation channel is communicated between the exhaust port and the exhaust port.
In a preferred embodiment, the bottom end of the valve rod is fixedly connected with a valve core for sealing a medium circulation channel, an annular groove is concavely formed in the contact surface of the valve body on the valve core, and a sealing ring is placed in the annular groove.
In a preferred embodiment, the sealing ring is a gray sealing ring.
In a preferred embodiment, the outlet inlet and the outlet are provided with connecting flanges.
In a preferred embodiment, the air pressure sensor is mounted on the sealing ring below the locking air cushion, and the air pressure sensor and the micro air pump are electrically connected with the external PLC end.
In a preferred embodiment, the inner end of the locking air cushion is tightly attached to the surface of the valve rod after the locking air cushion is inflated.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. in the utility model, after the packing is worn and leaked, the air pressure sensor receives the pressure signal of leaked air, then the air pressure sensor transmits the signal to the PLC end, the micro air pump is controlled to work through the PLC end, the micro air pump works at the moment and pumps air to the locking air cushion, and the locking air cushion is gradually expanded under the action of the air and is tightly attached to the surface of the valve rod, so that the leakage can be identified and the sealing operation can be finished at the same time, and the safety during the work is ensured.
2. According to the utility model, the traditional O-shaped sealing ring is replaced by the Grignard sealing ring, the abrasion-resistant part of the Grignard sealing ring has an abrasion-resistant effect, the Grignard sealing ring is not easy to wear in the use process, and the leakage phenomenon of the combined position of the valve core and the valve body is not easy to occur in the use process, so that the abrasion-resistant part can be reduced.
Drawings
FIG. 1 is a schematic cross-sectional plan view of the entire structure of the present utility model;
fig. 2 is an enlarged schematic diagram of the structure at a in fig. 1.
The marks in the figure: 1. a discharge port; 2. a valve cover; 3. a hose; 4. a micro air pump; 5. a filler; 6. a valve stem; 7. a valve core; 8. a valve body; 9. a seal ring; 10. a medium flow channel; 11. locking the air cushion; 12. a seal ring; 13. an air pressure sensor.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1-2, the leak protection is from locking valve forging, including valve body 8, valve rod 6 and valve gap 2, the center of valve gap 2 runs through and has offered the through-hole that satisfies valve rod 6 and pass, and the upside of through-hole is equipped with packing 5 in valve gap 2, and sealing component is detachably installed on valve gap 2 roof to the top of packing 5, because sealing component can be demolishd from valve gap 2, also makes things convenient for follow-up to packing part's change.
The seal assembly includes: the sealing ring 12, the air pressure sensor 13 and the locking air cushion 11, the locking air cushion 11 is embedded on the inner wall of the sealing ring 12, one end of the locking air cushion 11 is connected with the hose 3, the other end of the hose 3 is connected with the miniature air pump 4, after the locking air cushion 11 is inflated, the inner end of the locking air cushion 11 is clung to the surface of the valve rod 6, the whole locking air cushion 11 is annular, the upper side of the valve rod 6 passes through the locking air cushion 11 and the sealing ring 12 and extends to the outer end of the sealing ring 12, after the packing 5 is worn and is leaked, the air pressure sensor 13 receives a pressure signal of leaked air, at the moment, the miniature air pump works 4 and inflates the locking air cushion 11, at the moment, the locking air cushion 11 is gradually expanded under the action of the air and clung to the surface of the valve rod 6, and thus the leak-proof sealing operation can be realized.
The top end of the valve rod 6 is connected with a manual or electric executing part (the structure of the existing valve is not described in detail) for controlling the moving operation of the valve rod 6.
In this embodiment, the lower side of the valve body 8 is provided with an exhaust port 1, and the left side of the valve body 8 is provided with a medium flow channel 10 communicating between the exhaust port 1 and the exhaust port.
In this embodiment, the bottom fixedly connected with case 7 of valve rod 6 for seal medium circulation passageway 10, valve body 8 are located the concave ring channel of seting up on the contact surface of case 7, have placed sealing washer 9 in the ring channel, and sealing washer 9 is the gray sealing washer, replaces traditional O shape sealing washer with the gray sealing washer, and the antifriction part of gray sealing washer plays the antifriction effect, is difficult for wearing and tearing in the use, is difficult for appearing the phenomenon of leakage of case 7 and valve body 8 combination position.
In this embodiment, the exhaust inlet and the exhaust outlet 1 are provided with connecting flanges, and the valve part can be combined with the pipeline to be combined through the connecting flanges.
In this embodiment, the air pressure sensor 13 is mounted on the sealing ring 12 below the locking air cushion 11, the air pressure sensor 13 and the micro air pump 4 are electrically connected with the external PLC terminal, and the PLC terminal controls the whole work, wherein the PLC terminal (not shown in the figure) is electrically connected with the control terminal, the control terminal is a mobile phone or a computer, when the valve leaks, a leakage signal can be transmitted into the control terminal, so that a worker can know that the valve leaks, and therefore, the valve can be maintained in the first time, and the probability of major accidents is greatly reduced.
It should be noted that, the above mentioned electrical connection manner is a connection manner commonly used in the prior art, and specific circuits and specific structures are not specifically described.
This device has installed removable seal assembly in valve gap 2 department of packing 5 top, after packing 5 receives wearing and tearing emergence leakage phenomenon, air pressure sensor 13 receives the pressure signal who spills gas, then air pressure sensor 13 passes into the PLC end with the signal, work through the miniature air pump 4 of PLC end control, miniature air pump work 4 this moment, inflate to locking air cushion 11, locking air cushion 11 receives the gas effect expansion gradually this moment, and hug closely at valve rod 6 surface, thereby can realize leak protection sealing operation, when carrying out leak protection, pass into control terminal with the signal through the PLC end in, remind the staff, the valve needs maintenance operation, the security when making can ensure the whole use.
Meanwhile, the traditional O-shaped sealing ring is replaced by the Grignard sealing ring, the abrasion-resistant part of the Grignard sealing ring has an abrasion-resistant effect, the abrasion is not easy to occur in the use process, and the leakage phenomenon of the combined position of the valve core 7 and the valve body 8 is not easy to occur.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. Leak protection is from locking valve forging, including valve body (8), valve rod (6) and valve gap (2), its characterized in that: the center of the valve cover (2) is provided with a through hole which is penetrated by the valve rod (6), the upper side of the through hole is provided with a filler (5) in the valve cover (2), and a sealing component is detachably arranged on the top wall of the valve cover (2) above the filler (5);
the seal assembly includes: sealing ring (12), air pressure sensor (13) and locking air cushion (11), locking air cushion (11) inlay and establish on the inner wall of sealing ring (12), the one end of locking air cushion (11) is connected with hose (3), the other end of hose (3) is connected with miniature air pump (4).
2. The leak-proof self-locking valve forging of claim 1, wherein: the locking air cushion (11) is in an annular shape as a whole, and the upper side of the valve rod (6) penetrates through the locking air cushion (11) and the sealing ring (12) and extends to the outer end of the sealing ring (12).
3. The leak-proof self-locking valve forging of claim 1, wherein: the lower side of the valve body (8) is provided with an exhaust port (1), the left side of the valve body (8) is provided with an exhaust port (1), and a medium circulation channel (10) is communicated between the exhaust port (1) and the exhaust port.
4. The leak-proof self-locking valve forging of claim 1, wherein: the bottom end of the valve rod (6) is fixedly connected with a valve core (7) and is used for sealing a medium circulation channel (10), an annular groove is formed in the contact surface of the valve body (8) on the valve core (7) in a concave manner, and a sealing ring (9) is placed in the annular groove.
5. The leak-proof self-locking valve forging of claim 4, wherein: the sealing ring (9) is a Gray sealing ring.
6. The leak-proof self-locking valve forging of claim 3, wherein: and connecting flanges are arranged on the exhaust inlet and the exhaust outlet (1).
7. The leak-proof self-locking valve forging of claim 1, wherein: the air pressure sensor (13) is arranged on the sealing ring (12) below the locking air cushion (11), and the air pressure sensor (13) and the miniature air pump (4) are electrically connected with an external PLC end.
8. The leak-proof self-locking valve forging of claim 1, wherein: after the locking air cushion (11) is inflated, the inner end of the locking air cushion (11) is tightly attached to the surface of the valve rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105889.7U CN220540439U (en) | 2023-08-07 | 2023-08-07 | Leak-proof self-locking valve forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322105889.7U CN220540439U (en) | 2023-08-07 | 2023-08-07 | Leak-proof self-locking valve forging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220540439U true CN220540439U (en) | 2024-02-27 |
Family
ID=89969549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322105889.7U Active CN220540439U (en) | 2023-08-07 | 2023-08-07 | Leak-proof self-locking valve forging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220540439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869627A (en) * | 2024-03-13 | 2024-04-12 | 杭州耐特阀门股份有限公司 | Cock type reversing device |
-
2023
- 2023-08-07 CN CN202322105889.7U patent/CN220540439U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869627A (en) * | 2024-03-13 | 2024-04-12 | 杭州耐特阀门股份有限公司 | Cock type reversing device |
| CN117869627B (en) * | 2024-03-13 | 2024-06-11 | 杭州耐特阀门股份有限公司 | Cock type reversing device |
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