CN221569457U - Self-sealing type sealing valve - Google Patents
Self-sealing type sealing valve Download PDFInfo
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- CN221569457U CN221569457U CN202420251365.0U CN202420251365U CN221569457U CN 221569457 U CN221569457 U CN 221569457U CN 202420251365 U CN202420251365 U CN 202420251365U CN 221569457 U CN221569457 U CN 221569457U
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- valve body
- self
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- 238000007789 sealing Methods 0.000 title claims abstract description 117
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000006837 decompression Effects 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 2
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 241000283216 Phocidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model relates to the technical field of sealing valves, in particular to a self-sealing valve, which aims at solving the problem that the existing sealing valve is easy to leak in a high-pressure high-temperature environment in the background art, and the utility model provides the following scheme, comprising a valve body, an inlet is arranged on the outer surface of one side of the valve body, and the inside of the inlet is provided with an air inlet pipe, the bottom of the outer surface of one side of the valve body is provided with an outlet, the inside of the outlet is provided with an air outlet pipe, the inside of the valve body is connected with a sealing valve clack in a sliding manner, and a built-in groove is reserved in the sealing valve clack. According to the utility model, high-pressure gas enters the valve body through the gas inlet pipe, the sealing valve clack blocks a channel flowing to the gas outlet pipe, so that a high-pressure environment is formed above the sealing valve clack, and the annular sealing gasket on the sealing ring plate is continuously attached to the sealing valve clack, so that the tightness of the two communication holes is increased, and the overall tightness is increased.
Description
Technical Field
The utility model relates to the technical field of sealing valves, in particular to a self-sealing type sealing valve.
Background
Valves are one of the important components in high pressure systems, and the reliability, safety, working efficiency and service life of the valves directly affect the operation of the whole system. The ultra-high internal pressure in the pipeline system not only acts on the valve body, but also acts on the sealing joint of the valve element, so that the high-pressure valve is extremely easy to have leakage faults along with the increase of pressure and the long-time operation of the valve, the normal production is influenced, and serious safety accidents are directly or indirectly caused.
In the prior art, most of the valve body and the valve cover are sealed by bolt compression, and leakage phenomenon occurs under high temperature and high pressure working conditions, so that most of sealing valves adopt the method of increasing the wall thickness of the valve body and adopting the traditional sealing method, especially in the sealing technology, the comprehensive consideration of an internal structure and a flow field is ignored, and research and development of sealing materials are focused on one side, so that certain problems are solved, but the cost is too high.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model improves the self-sealing type sealing valve, overcomes the defects of the prior art through the matching use of the sealing structure, the pressure reducing valve clack, the sealing valve clack and the valve rod, and effectively solves the problem that the existing sealing valve is easy to leak outside in a high-pressure high-temperature environment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The self-sealing valve comprises a valve body, wherein an inlet is formed in one side surface of the valve body, an air inlet pipe is arranged in the inlet, an outlet is formed in the bottom of one side surface of the valve body, an air outlet pipe is arranged in the outlet, a sealing valve clack is connected in a sliding manner in the valve body, an inner groove is reserved in the sealing valve clack, a decompression valve clack is arranged in the inner groove, a decompression hole is formed in the bottom surface of the sealing valve clack and communicated with the inner groove, two symmetrically distributed communication holes are formed in the top surface of the sealing valve clack and communicated with the inner groove;
The top outward appearance of valve body has seted up the circle mouth, and the internally mounted of circle mouth has the sealing washer, the inside of sealing washer is provided with the valve rod, and the outward appearance of valve rod has cup jointed seal structure, the bottom of valve rod runs through built-in groove and decompression valve clack fixed connection.
Through the scheme, when the valve is used, high-pressure gas enters the valve body through the air inlet pipe, the sealing valve clack blocks a channel flowing to the air outlet pipe, so that a high-pressure environment is formed above the sealing valve clack, the annular sealing gasket on the sealing ring plate is attached to the sealing valve clack continuously, the tightness of the two communication holes is increased, namely, the fluid pressure is in direct proportion to the tightness of the whole valve body, the valve rod can be started to drive the decompression valve clack to ascend in the built-in groove subsequently, the annular sealing gasket is driven to be separated from the two communication holes, the two communication holes can be opened, the high-pressure gas can be injected into the built-in groove and discharged from the decompression hole, and finally discharged through the air outlet pipe, so that the force used for opening the whole valve subsequently can be reduced, and the fatigue of operators is relieved.
Preferably, the sealing structure comprises an annular box, the annular box is fixedly connected with the outer surface of the valve rod, two symmetrically distributed sliding ports are formed in the outer surface of the annular box, two symmetrically distributed limiting rods are mounted in the annular box, a convex block is sleeved on the outer surface of the limiting rods, and springs are sleeved on the outer surface of the limiting rods above the convex block.
Through the scheme, the sealing ring plate can move up and down around the annular box, and the sealing valve clack can be attached more in a high-pressure environment.
Preferably, one end of each of the two convex blocks is fixed with the same sealing ring plate, an annular sealing gasket is arranged on the outer surface of the bottom of the sealing ring plate, and the annular sealing gasket is in contact with the outer surface of the top of the sealing valve clack.
By the scheme, the annular sealing gasket can increase the overall sealing performance.
Preferably, one end of the convex block forms a sliding fit with the inside of the sliding port, and the sealing ring plate forms a sliding fit with the outer surface of the annular box.
Through the scheme, the sealing ring plate is stable in the moving process.
Preferably, the specification of the air inlet pipe is the same as the specification of the air outlet pipe.
Through the scheme, the air inlet pipe is positioned above the air outlet pipe.
Preferably, the bottom surface of the annular box can be in contact with the top surface of the sealing valve clack, and the top ends of the two communication holes are positioned below the annular sealing gasket.
Through the scheme, the communication hole is ensured to be sealed by the annular sealing gasket.
The beneficial effects of the utility model are as follows:
1. According to the self-sealing valve, high-pressure gas enters the valve body through the gas inlet pipe, the sealing valve clack blocks a channel flowing to the gas outlet pipe, so that a high-pressure environment is formed above the sealing valve clack, the annular sealing gasket on the sealing ring plate is continuously attached to the sealing valve clack, the sealing performance of the two communicating holes is improved, and the overall sealing performance is improved;
2. this self sealss formula sealing valve, start the valve rod and can let the decompression valve clack go up in built-in inslot to drive annular sealing pad and two intercommunications separation, can open two intercommunications, can pour into built-in groove into the high-pressure gas and discharge from the decompression hole, reduce the dynamics that the valve was opened in follow-up use, alleviate operating personnel fatigue.
Drawings
FIG. 1 is a schematic perspective view of a sealing valve flap and a sealing structure of a self-sealing valve according to the present utility model;
FIG. 2 is a schematic vertical cross-sectional view of a self-sealing valve according to the present utility model;
Fig. 3 is an enlarged schematic view of fig. 2 a.
In the figure: 1 valve body, 2 intake pipe, 3 outlet duct, 4 sealing valve clack, 5 built-in groove, 6 decompression valve clack, 7 valve rod, 8 intercommunicating pore, 9 decompression hole, 10 sealing washer, 11 annular box, 12 gag lever post, 13 convex block, 14 spring, 15 sealing ring plate, 16 annular sealing gasket.
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.
1, Referring to fig. 1-3, a self-sealing type sealing valve comprises a valve body 1, wherein an inlet is formed in one side surface of the valve body 1, an air inlet pipe 2 is arranged in the inlet, an outlet is formed in the bottom of one side surface of the valve body 1, an air outlet pipe 3 is arranged in the outlet, a sealing valve clack 4 is connected in a sliding manner in the valve body 1, a built-in groove 5 is reserved in the sealing valve clack 4, a decompression valve clack 6 is arranged in the built-in groove 5, a decompression hole 9 is formed in the bottom surface of the sealing valve clack 4, the decompression hole 9 is communicated with the built-in groove 5, two symmetrically distributed communication holes 8 are formed in the top surface of the sealing valve clack 4, and the communication holes 8 are communicated with the built-in groove 5;
The top outward appearance of valve body 1 has seted up the circle mouth, and the internally mounted of circle mouth has sealing washer 10, and the inside of sealing washer 10 is provided with valve rod 7, and the outward appearance of valve rod 7 has cup jointed seal structure, and built-in groove 5 and decompression valve clack 6 fixed connection are run through to the bottom of valve rod 7.
The embodiment 2 is optimized on the basis of the embodiment 1, the sealing structure comprises an annular box 11, the annular box 11 is fixedly connected with the outer surface of the valve rod 7, two symmetrically distributed sliding ports are formed in the outer surface of the annular box 11, two symmetrically distributed limiting rods 12 are arranged in the annular box 11, a convex block 13 is sleeved on the outer surface of the limiting rods 12, and a spring 14 is sleeved on the outer surface of the limiting rods 12 above the convex block 13;
One end of the two convex blocks 13 is fixed with the same sealing ring plate 15, the bottom surface of the sealing ring plate 15 is provided with an annular sealing gasket 16, and the annular sealing gasket 16 is contacted with the top surface of the sealing valve clack 4;
One end of the convex block 13 forms sliding fit with the inside of the sliding port, and the sealing ring plate 15 forms sliding fit with the outer surface of the annular box 11;
The specification of the air inlet pipe 2 is the same as that of the air outlet pipe 3;
The bottom outer surface of the annular case 11 may be in contact with the top outer surface of the sealing valve flap 4, and the top ends of both communication holes 8 are located below the annular gasket 16.
Working principle:
When the valve is used, high-pressure gas enters the valve body 1 through the gas inlet pipe 2, the sealing valve clack 4 blocks a channel flowing to the gas outlet pipe 3, so that a high-pressure environment is formed above the sealing valve clack 4, the annular sealing gasket 16 on the sealing ring plate 15 is continuously attached to the sealing valve clack, and the tightness of the two communication holes 8 is increased, namely, the fluid pressure is in direct proportion to the tightness of the whole valve body;
The valve rod 7 can be started subsequently to drive the decompression valve clack 6 to ascend in the built-in groove 5, so that the annular sealing gasket 16 is driven to be separated from the two communication holes 8, the two communication holes 8 can be opened, high-pressure gas can be injected into the built-in groove 5 and discharged from the decompression hole 9, and finally discharged through the air outlet pipe 3, so that the force used for opening the whole valve subsequently can be reduced, and the fatigue of operators can be relieved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a self-sealing type sealing valve, includes valve body (1), its characterized in that, import has been seted up to one side outward appearance of valve body (1), and the internally mounted of import has intake pipe (2), export has been seted up to one side outward appearance bottom of valve body (1), and the internally mounted of export has outlet duct (3), the inside sliding connection of valve body (1) has sealing valve clack (4), and sealing valve clack (4) inside leaves built-in groove (5), the inside of built-in groove (5) is provided with decompression valve clack (6), decompression hole (9) have been seted up to sealing valve clack (4)'s bottom outward appearance, and decompression hole (9) and built-in groove (5) intercommunication, two symmetrically distributed's intercommunicating pore (8) have been seted up to sealing valve clack (4) top outward appearance, and intercommunicating pore (8) and built-in groove (5) intercommunication;
The valve is characterized in that a round opening is formed in the top surface of the valve body (1), a sealing ring (10) is arranged in the round opening, a valve rod (7) is arranged in the sealing ring (10), a sealing structure is sleeved on the surface of the valve rod (7), and the bottom end of the valve rod (7) penetrates through the built-in groove (5) and is fixedly connected with the pressure reducing valve clack (6).
2. The self-sealing type sealing valve according to claim 1, wherein the sealing structure comprises an annular box (11), the annular box (11) is fixedly connected with the outer surface of the valve rod (7), two symmetrically distributed sliding ports are formed in the outer surface of the annular box (11), two symmetrically distributed limiting rods (12) are mounted in the annular box (11), a convex block (13) is sleeved on the outer surface of the limiting rods (12), and a spring (14) is sleeved on the outer surface of the limiting rods (12) above the convex block (13).
3. A self-sealing valve according to claim 2, characterized in that one end of two said male blocks (13) is fixed with one and the same sealing ring plate (15), and the bottom surface of the sealing ring plate (15) is provided with an annular sealing gasket (16), the annular sealing gasket (16) being in contact with the top surface of the sealing valve flap (4).
4. A self-sealing valve according to claim 2, characterized in that one end of the male block (13) forms a sliding fit with the inside of the slide opening and the sealing ring plate (15) forms a sliding fit with the outer surface of the annular tank (11).
5. A self-sealing valve according to claim 1, characterized in that the air inlet pipe (2) has the same gauge as the air outlet pipe (3).
6. A self-sealing valve according to claim 2, characterized in that the bottom appearance of the annular tank (11) is in contact with the top appearance of the sealing flap (4) and the top ends of both communication holes (8) are located under the annular gasket (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420251365.0U CN221569457U (en) | 2024-02-01 | 2024-02-01 | Self-sealing type sealing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420251365.0U CN221569457U (en) | 2024-02-01 | 2024-02-01 | Self-sealing type sealing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221569457U true CN221569457U (en) | 2024-08-20 |
Family
ID=92268617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420251365.0U Active CN221569457U (en) | 2024-02-01 | 2024-02-01 | Self-sealing type sealing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221569457U (en) |
-
2024
- 2024-02-01 CN CN202420251365.0U patent/CN221569457U/en active Active
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