CN220600480U - Valve seat with pressure balance function - Google Patents
Valve seat with pressure balance function Download PDFInfo
- Publication number
- CN220600480U CN220600480U CN202322189245.0U CN202322189245U CN220600480U CN 220600480 U CN220600480 U CN 220600480U CN 202322189245 U CN202322189245 U CN 202322189245U CN 220600480 U CN220600480 U CN 220600480U
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- CN
- China
- Prior art keywords
- valve seat
- sealing
- sealing ring
- pressure
- groove
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000006837 decompression Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The valve seat with the pressure balancing function comprises a valve seat body, wherein the valve seat body comprises an upper valve seat and a lower valve seat, a sealing cavity is arranged between the upper valve seat and the lower valve seat, a first annular groove is formed in the upper valve seat, an installation inclined plane is formed in the top of the upper valve seat, a step groove is formed below the installation inclined plane, and a sealing ring A is sleeved between the step groove and the installation inclined plane.
Description
Technical Field
The utility model relates to the technical field of valve seats, in particular to a valve seat with a pressure balancing function.
Background
The valve seat is a detachable surface part in the valve and is used for supporting the totally closed position of the valve core and forming a sealing pair. The diameter of the valve seat is the maximum flow diameter of the valve. For example, the valve seat of the butterfly valve is made of very wide range of materials, and various rubber, plastics and metal materials can be used as the valve seat material.
When the existing valve seat is used, the valve seat can deform slowly due to different internal and external pressures, and the valve seat can be broken and air leakage due to the action of pressure difference after deformation, so that the use efficiency of the valve seat connection is affected.
Therefore, in order to solve the deficiencies of the prior art, it is necessary to provide a valve seat with a pressure balancing function.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a valve seat with a pressure balancing function, wherein a valve seat body is divided into an upper valve seat and a lower valve seat, a sealing cavity is arranged between the upper valve seat and the lower valve seat to realize slow-release balance of pressure, a decompression groove arranged at the top of the upper valve seat is used for decompressing, and the pressure between the upper valve seat and the lower valve seat is further balanced through the combination of a deformation convex ring and an anti-deformation groove in the decompression cavity, so that the valve seat is prevented from being deformed due to pressure, the utilization efficiency of the valve seat is improved, and the service life is prolonged.
The above object of the present utility model is achieved by the following means.
The valve seat with the pressure balancing function comprises a valve seat body, wherein the valve seat body comprises an upper valve seat and a lower valve seat, a sealing cavity is arranged between the upper valve seat and the lower valve seat, a first annular groove is formed in the upper valve seat, an installation inclined plane is arranged at the top of the upper valve seat, a step groove is formed below the installation inclined plane, and a sealing ring A is sleeved between the step groove and the installation inclined plane;
the lower valve seat is provided with a second annular groove, a sealing ring groove is arranged below the second annular groove, a sealing ring B is arranged in the sealing ring groove, and a valve seat bottom is arranged below the sealing ring B.
Specifically, sealing member internally mounted has the sealing member, and sealing member both ends are provided with the decompression chamber respectively, and decompression chamber internally mounted has offered the anti-deformation recess respectively, and the deformation bulge loop of mutually supporting with anti-deformation recess is installed at sealing member upper and lower both ends.
Specifically, the lower seat back is provided with an inclined surface provided at the seat bottom back.
Specifically, a hard sealing ring is arranged in the lower valve seat, and the hard sealing ring is arranged in parallel with the sealing cavity.
Specifically, the upper valve seat top end four groups of relief grooves, the relief grooves being installed at the upper valve seat top end four portions.
According to the utility model, the valve seat body is divided into the upper valve seat and the lower valve seat, the sealing cavity is arranged between the upper valve seat and the lower valve seat to realize slow release balance of pressure, the pressure between the upper valve seat and the lower valve seat is further balanced through the combination of the deformation convex ring and the deformation-preventing groove in the pressure reducing cavity after the pressure is reduced by the pressure reducing groove arranged at the top of the upper valve seat, so that the valve seat is prevented from being deformed due to pressure, the valve seat utilization efficiency is improved, and the service life is prolonged.
Drawings
The utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.
Fig. 1 is a front view of a valve seat with pressure balancing function of the present utility model.
Fig. 2 is an enlarged partial view of a valve seat with pressure balancing function according to the present utility model.
Fig. 3 is an enlarged partial view of a seal cavity in a valve seat with pressure balancing function of the present utility model.
From fig. 1 to 3, it includes:
1. a valve seat body;
2. an upper valve seat;
3. a lower valve seat;
4. sealing the cavity;
5. a first annular groove;
6. a mounting inclined plane;
7. a stepped groove;
8. a sealing ring A;
9. a second annular groove;
10. a seal ring groove;
11. a sealing ring B;
12. a valve seat bottom;
13. a seal;
14. a pressure reducing chamber;
15. an anti-deformation groove;
16. deforming the convex ring;
17. an inclined surface;
18. a hard seal ring;
19. a decompression tank.
Detailed Description
The utility model will be further described with reference to the following examples.
Example 1.
As shown in fig. 1-3, a valve seat with a pressure balancing function comprises a valve seat body 1, wherein the valve seat body 1 comprises an upper valve seat 2 and a lower valve seat 3, a sealing cavity 4 is arranged between the upper valve seat 2 and the lower valve seat 3, a first annular groove 5 is formed in the upper valve seat 2, a mounting inclined surface 6 is arranged at the top of the upper valve seat 2, a step groove 7 is formed below the mounting inclined surface 6, and a sealing ring A8 is sleeved between the step groove 7 and the mounting inclined surface 6.
Divide into two sets of disk seats about the disk seat body 1, be provided with sealed chamber 4 between last disk seat 2 and lower disk seat 3 and can increase pressure balance efficiency, first ring channel 5 has been seted up at last disk seat 2 top and can be supplied the sealing washer to install, be provided with the installation inclined plane 6 that gradually flaring set up towards step groove 7 on last disk seat 2 top plane, the sealing washer A8 that sets up between installation inclined plane 6 and the step groove 7 can play first layer sealed effect, keep behind the disk seat connection pressure balance, reduce the emergence of revealing.
The lower valve seat 3 is provided with a second annular groove 9, a sealing ring groove 10 is formed below the second annular groove 9, a sealing ring B11 is arranged in the sealing ring groove 10, a valve seat bottom 12 is arranged below the sealing ring B11, the sealing ring B11 can be installed and sleeved by the sealing ring groove 10 and the opening and closing of the second annular groove 9, and the sealing ring B11 is made of spring steel.
The sealing cavity 4 is internally provided with a sealing element 13, two ends of the sealing element 13 are respectively provided with a decompression cavity 14, the decompression cavity 14 is internally provided with deformation-preventing grooves 15 respectively, and the upper end and the lower end of the sealing element 13 are provided with deformation convex rings 16 mutually matched with the deformation-preventing grooves 15.
The sealing piece 13 is made of soft mozzarella material, the pressure between the upper valve seat 2 and the lower valve seat 3 can be balanced by sealing the pressure reducing cavities 14 arranged at the two ends, the pressure can be reduced and slowly released by the matched installation of the deformation-preventing grooves and the deformation convex rings when the pressure is applied, the valve seat pressure is kept balanced, the pressure balance efficiency is improved, and the use tightness and safety of the valve seat are improved.
The back of the lower valve seat 3 is provided with an inclined surface 17, and the inclined surface 17 is arranged at the back of the valve seat bottom 12.
The hard sealing ring 18 is arranged in the lower valve seat 3, the hard sealing ring 18 is arranged in parallel with the sealing cavity 4, and the hard sealing ring 18 is arranged to protect the inner part of the valve seat bottom 12 and prevent the occurrence of the conditions of leakage, cracking and the like of the valve seat caused by overlarge pressure.
The four groups of decompression grooves 19 on the top end of the upper valve seat 2, the decompression grooves 19 are arranged at the four equal parts on the top end of the upper valve seat 2, and the arrangement and the installation of the decompression grooves 19 can play a role in reducing pressure and buffering the pressure of the valve seat after the installation of the valve seat to a certain extent, so that the balance of the valve seat pressure is maintained.
In the production process, through dividing into disk seat body 1 and going up disk seat 2 and lower disk seat 3 and be provided with seal chamber 4 between last disk seat 2 and lower disk seat 3 and realize the slow release balance to pressure, the pressure between two sets of disk seats is further balanced about through the combination of deformation bulge loop 16 and deformation prevention recess 15 in the decompression chamber 14 after being depressurized by the decompression groove 19 that is set up by last disk seat 2 top, prevents the disk seat because of pressure deformation, improves disk seat utilization efficiency, increase life.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. A valve seat with pressure balancing function, characterized in that: the valve seat comprises a valve seat body, wherein the valve seat body comprises an upper valve seat and a lower valve seat, a sealing cavity is arranged between the upper valve seat and the lower valve seat, a first annular groove is formed in the upper valve seat, an installation inclined plane is arranged at the top of the upper valve seat, a step groove is formed below the installation inclined plane, and a sealing ring A is sleeved between the step groove and the installation inclined plane;
the lower valve seat is provided with a second annular groove, a sealing ring groove is formed below the second annular groove, a sealing ring B is arranged in the sealing ring groove, and a valve seat bottom is arranged below the sealing ring B.
2. A valve seat with pressure balancing function according to claim 1, wherein: the sealing device is characterized in that sealing elements are arranged in the sealing cavity, decompression cavities are respectively arranged at two ends of the sealing elements, deformation-preventing grooves are respectively formed in the decompression cavities, and deformation convex rings matched with the deformation-preventing grooves are arranged at the upper end and the lower end of the sealing elements.
3. A valve seat with pressure balancing function according to claim 1, wherein: the back of the lower valve seat is provided with an inclined plane, and the inclined plane is arranged at the bottom back of the valve seat.
4. A valve seat with pressure balancing function according to claim 3, wherein: the hard sealing ring is arranged in the lower valve seat and is parallel to the sealing cavity.
5. A valve seat with pressure balancing function according to claim 1, wherein: the four groups of pressure reducing grooves at the top end of the upper valve seat are arranged at the four equal parts at the top end of the upper valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189245.0U CN220600480U (en) | 2023-08-15 | 2023-08-15 | Valve seat with pressure balance function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322189245.0U CN220600480U (en) | 2023-08-15 | 2023-08-15 | Valve seat with pressure balance function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220600480U true CN220600480U (en) | 2024-03-15 |
Family
ID=90166794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322189245.0U Active CN220600480U (en) | 2023-08-15 | 2023-08-15 | Valve seat with pressure balance function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220600480U (en) |
-
2023
- 2023-08-15 CN CN202322189245.0U patent/CN220600480U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |