CN220488345U - Ball valve sealing valve seat - Google Patents
Ball valve sealing valve seat Download PDFInfo
- Publication number
- CN220488345U CN220488345U CN202321902715.7U CN202321902715U CN220488345U CN 220488345 U CN220488345 U CN 220488345U CN 202321902715 U CN202321902715 U CN 202321902715U CN 220488345 U CN220488345 U CN 220488345U
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- sealing
- valve
- valve seat
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- ring
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- 238000007789 sealing Methods 0.000 title claims abstract description 140
- 238000000034 method Methods 0.000 description 8
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The ball valve sealing valve seat comprises a valve seat body arranged in a shell, wherein the valve seat body is used for being matched with a valve ball in the shell in a mounting way, a conducting part is arranged in the center of the valve seat body, and the conducting part is communicated with the valve ball; the valve seat body comprises a sealing inner ring and a sealing outer ring, the sealing outer ring is arranged on the sealing inner ring, the diameter of the sealing outer ring is smaller than that of the sealing inner ring, one end of the inner surface of the sealing inner ring is provided with an inclined sealing surface, the sealing surface is a convex circular arc, the sealing surface is in contact with a valve ball, one end of the outer surface of the sealing inner ring is provided with a step part, one end of the inner surface of the sealing inner ring is also provided with a ring groove for positioning, and the outer side of the sealing outer ring is provided with a clamping groove connected with a shell. The valve ball can flexibly rotate, has small friction resistance, stable structure and good sealing performance.
Description
Technical Field
The utility model relates to the technical field of ball valve seats, in particular to a ball valve sealing valve seat.
Background
The ball valve sealing valve seat is a key component in the ball valve and is used for realizing the sealing function of the ball valve. The valve is an annular component on the ball valve, and is in sealing contact with the ball valve to control the on-off of fluid. Ball valve seal seats are typically made of metal or elastomeric materials with good sealing properties and durability. The sealing valve seat is usually provided with a special sealing surface shape, and a sealing ring path is formed through the contact between the sealing valve seat and the ball body, so that the sealing performance of the valve is realized.
The contact area between the sealing surface of the sealing valve seat of the existing ball valve and the valve ball is larger, which may cause larger force to be required when the ball valve is operated, thereby increasing the energy consumption of the driving device and the operation difficulty; meanwhile, the contact between the sealing surface and the valve ball is uneven, so that the structure is unstable and the tightness is poor.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a ball valve sealing valve seat, which has the advantages of flexible rotation, small friction resistance, stable structure and good sealing performance.
In order to solve the technical problems, the ball valve sealing valve seat comprises a valve seat body arranged in a shell, wherein the valve seat body is used for being matched with a valve ball in the shell in a mounting way, a conducting part is arranged in the center of the valve seat body, and the conducting part is communicated with the valve ball; the valve seat body comprises a sealing inner ring and a sealing outer ring, the sealing outer ring is arranged on the sealing inner ring, the diameter of the sealing outer ring is smaller than that of the sealing inner ring, one end of the inner surface of the sealing inner ring is provided with an inclined sealing surface, the sealing surface is a convex circular arc, the sealing surface is in contact with a valve ball, one end of the outer surface of the sealing inner ring is provided with a step part, one end of the inner surface of the sealing inner ring is also provided with a ring groove for positioning, and the outer side of the sealing outer ring is provided with a clamping groove connected with a shell.
The sealing outer ring is provided with a first mounting hole, a first screw is arranged on the first mounting hole, and the valve seat body is connected with the shell through the first mounting hole and the first screw.
The valve seat is characterized in that the mounting plate is arranged on the outer side of the valve seat body, the clamping hook is arranged on the lower side of the mounting plate, the second mounting hole is formed in the mounting plate, the second screw is arranged on the second mounting hole, and the valve seat body is connected with the shell through the second mounting hole and the second screw.
The clamping hook is triangular.
The sealing inner ring, the sealing outer ring and the mounting plate are integrally formed, and the mounting plate, the clamping hooks, the second mounting holes and the second screws are at least set to be 4 groups.
And a sealing ring is arranged in the ring groove.
The sealing ring is made of rubber.
The diameter of the conducting part is between 9mm and 9.5mm, and the diameter of the valve ball is between 19mm and 19.5 mm.
When the valve seat is assembled, firstly, the valve ball is arranged in the shell, the sealing inner ring of the valve seat body is inserted into the shell, the convex groove on the shell is inserted into the annular groove at one end of the inner surface of the sealing inner ring, and the valve seat body is sealed through the sealing ring, so that the valve seat body is ensured not to be loosened or shifted in the use process, and the convex sealing surface is contacted with the valve ball at the moment, so that the valve ball is sealed; when the valve ball is used, the valve ball rotates in the shell, the conducting part at the center of the valve seat is communicated with the valve ball, and the valve ball rotates in the shell more flexibly due to small contact area.
The beneficial effects brought by the utility model are as follows:
the convex sealing surface is contacted with the valve ball, so that the pressure between the sealing surface and the valve ball is concentrated on a smaller contact area, and the pressure on the unit area can be increased, thereby improving the tightness and reducing the leakage risk.
The friction between the sealing surface and the valve ball is small, which is helpful to reduce the resistance during operation and the friction and abrasion of the valve, prolong the service life of the valve seat and improve the flexibility and smoothness of the rotation of the valve ball.
Through the structures of the clamping hooks, the clamping grooves, the mounting holes and the screws, reliable connection and fixation are provided, and the valve seat body can be effectively prevented from loosening or shifting in the use process; the sealing performance between the valve seat body and the shell is further enhanced by the ring groove and the sealing ring.
Drawings
The utility model is described in further detail below with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of a valve seat body according to embodiment 1 of the present utility model.
Fig. 2 is a cross-sectional view of a valve seat body of embodiment 1 of the present utility model.
Fig. 3 is a cross-sectional view of the valve seat body, valve ball and housing of embodiment 1 of the present utility model.
Fig. 4 is a schematic structural view of a valve seat body according to embodiment 2 of the present utility model.
Fig. 5 is a cross-sectional view of a valve seat body of embodiment 2 of the present utility model.
Fig. 6 is a cross-sectional view of the valve seat body, the valve ball, and the housing of embodiment 2 of the present utility model.
In the figure: 1-a housing; 2-a valve seat body; 3-valve ball; 4-a conduction part; 5-sealing the inner ring; 6-sealing the outer ring; 7-sealing surface; 8-step part; 9-ring grooves; 10-clamping grooves; 11-a first mounting hole; 12-a first screw; 13-a sealing ring; 14-mounting plates; 15-a second mounting hole; 16-a second screw; 17-hook.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Example 1:
according to the embodiment, as shown in fig. 1 to 3, the ball valve sealing valve seat comprises a valve seat body 2 arranged in a shell 1, wherein the valve seat body 2 is used for being matched with a valve ball 3 in the shell 1 in a mounting way, a conducting part 4 is arranged in the center of the valve seat body 2, and the conducting part 4 is communicated with the valve ball 3; the valve seat body 2 comprises a sealing inner ring 5 and a sealing outer ring 6, the sealing outer ring 6 is arranged on the sealing inner ring 5, the diameter of the sealing outer ring 6 is smaller than that of the sealing inner ring 5, one end of the inner surface of the sealing inner ring 5 is provided with an inclined sealing surface 7, the sealing surface 7 is a convex arc, the sealing surface 7 is in contact with the valve ball 3, one end of the outer surface of the sealing inner ring 5 is provided with a step part 8, one end of the inner surface of the sealing inner ring 5 is also provided with a ring groove 9 used for positioning, the outer side of the sealing outer ring 6 is provided with a clamping groove 10 connected with the shell 1, and a convex groove on the shell 1 is inserted into the ring groove 9, so that the valve seat body 2 is sealed with the shell 1.
The sealing outer ring 6 is provided with a first mounting hole 11, the first mounting hole 11 is provided with a first screw 12, and the valve seat body 2 is connected with the shell 1 through the first mounting hole 11 and the first screw 12. The clamping groove 10 can conveniently install the valve seat body 2 on the shell 1, ensures that the valve seat body 2 is fixed at the correct position through the first screw 12 and the first mounting hole 11, and simultaneously can ensure that the valve seat body 2 cannot be loosened or shifted in the use process.
The sealing inner ring 5 and the sealing outer ring 6 are integrally formed.
And a sealing ring 13 is arranged in the annular groove 9, and when the valve seat is in a closed state, the sealing ring 13 is in contact with the annular groove 9 and the shell 1, so that a sealing effect is realized, and the sealing performance and the leakage-proof capacity are improved.
The sealing ring 13 is made of rubber, and the rubber has good sealing performance and elasticity, so that good sealing can be formed between the valve seat body 2 and the shell 1.
The diameter of the conducting part 4 is between 9mm and 9.5mm, and the diameter of the valve ball 3 is between 19mm and 19.5 mm.
When the valve seat is assembled, firstly, the valve ball 3 is installed in the shell 1, the sealing inner ring 5 of the valve seat body 2 is inserted into the shell 1, the valve seat body is clamped on the shell 1 through the clamping groove 10 on the sealing outer ring 6, then the convex groove on the shell 1 is inserted into the annular groove 9 at one end of the inner surface of the sealing inner ring 5, the valve seat body 2 is sealed through the sealing ring 13, the first mounting hole 11 is aligned with the mounting hole on the shell 1, the valve seat body is locked through the first screw 12, the valve seat body 2 is ensured not to be loosened or shifted in the use process, and the convex sealing surface 7 is contacted with the valve ball 3 at the moment, so that the valve ball 3 is sealed; when the valve ball 3 is used, the valve ball 3 rotates in the shell 1, the conducting part 4 at the center of the valve seat is communicated with the valve ball 3, and the valve ball 3 rotates in the shell 1 more flexibly due to small contact area.
Example 2:
according to fig. 4 to 6, a ball valve sealing valve seat of the present embodiment includes a valve seat body 2 installed in a housing 1, the valve seat body 2 is used for being installed and matched with a valve ball 3 in the housing 1, a conducting part 4 is arranged in the center of the valve seat body 2, and the conducting part 4 is communicated with the valve ball 3; the valve seat body 2 comprises a sealing inner ring 5 and a sealing outer ring 6, the sealing outer ring 6 is arranged on the sealing inner ring 5, the diameter of the sealing outer ring 6 is smaller than that of the sealing inner ring 5, one end of the inner surface of the sealing inner ring 5 is provided with an inclined sealing surface 7, the sealing surface 7 is a convex arc, the sealing surface 7 is in contact with the valve ball 3, one end of the outer surface of the sealing inner ring 5 is provided with a step part 8, one end of the inner surface of the sealing inner ring 5 is also provided with a ring groove 9 used for positioning, the outer side of the sealing outer ring 6 is provided with a clamping groove 10 connected with the shell 1, and a convex groove on the shell 1 is inserted into the ring groove 9, so that the valve seat body 2 is sealed with the shell 1.
The valve seat body 2 is provided with a mounting plate 14 outside, the mounting plate 14 downside is equipped with a pothook 17, be equipped with second mounting hole 15 on the mounting plate 14, be equipped with second screw 16 on the second mounting hole 15, the valve seat body 2 is connected with casing 1 through second mounting hole 15 and second screw 16. The valve seat body 2 can be conveniently mounted on the shell 1 through the mounting plate 14, and the mounting plate 14 provides a stable supporting platform, so that the mounting process between the valve seat and the shell 1 is simpler and more reliable. By the connection of the second screw 16 and the second mounting hole 15, it is ensured that the valve seat body 2 is fixed in the correct position, while it is ensured that the valve seat body 2 will not loose or shift during use.
The hook 17 is triangular, and the triangular hook 17 can provide more stable support when connecting the valve seat and the housing 1. The triangular structure has better rigidity and stability, can effectively prevent the valve seat body 2 from loosening or shifting in the use process, and enhances the stability and the sealing performance of the valve seat body 2.
The sealing inner ring 5, the sealing outer ring 6 and the mounting plate 14 are integrally formed, the mounting plate 14, the clamping hooks 17, the second mounting holes 15 and the second screws 16 are at least arranged into 4 groups, and multiple groups of positioning and connecting points can be distributed with connecting forces in a dispersed manner and uniformly distributed on each connecting point, so that the strength of the whole structure is enhanced.
And a sealing ring 13 is arranged in the annular groove 9, and when the valve seat is in a closed state, the sealing ring 13 is in contact with the annular groove 9 and the shell 1, so that a sealing effect is realized, and the sealing performance and the leakage-proof capacity are improved.
The sealing ring 13 is made of rubber, and the rubber has good sealing performance and elasticity, so that good sealing can be formed between the valve seat body 2 and the shell 1.
The diameter of the conducting part 4 is between 9mm and 9.5mm, and the diameter of the valve ball 3 is between 19mm and 19.5 mm.
When the valve seat is assembled, firstly, the valve ball 3 is installed in the shell 1, the sealing inner ring 5 of the valve seat body 2 is inserted into the shell 1, the valve seat body is clamped on the shell 1 through the buckle at the lower side of the mounting plate 14, then the convex ring on the shell 1 is inserted into the annular groove 9 at one end of the inner surface of the sealing inner ring 5, the valve seat body 2 is sealed through the sealing ring 13, the second mounting hole 15 is aligned with the mounting hole on the shell 1, the second screw 16 is used for locking the valve seat body, the valve seat body 2 is ensured not to loosen or shift in the use process, and the convex sealing surface 7 is contacted with the valve ball 3 at the moment, so that the valve ball 3 is sealed; when the valve ball 3 is used, the valve ball 3 rotates in the shell 1, the conducting part 4 at the center of the valve seat is communicated with the valve ball 3, and the valve ball 3 rotates in the shell 1 more flexibly due to small contact area.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
The beneficial effects brought by the utility model are as follows:
the convex sealing surface is contacted with the valve ball, so that the pressure between the sealing surface and the valve ball is concentrated on a smaller contact area, and the pressure on the unit area can be increased, thereby improving the tightness and reducing the leakage risk.
The friction between the sealing surface and the valve ball is small, which is helpful to reduce the resistance during operation and the friction and abrasion of the valve, prolong the service life of the valve seat and improve the flexibility and smoothness of the rotation of the valve ball.
Through the structures of the clamping hooks, the clamping grooves, the mounting holes and the screws, reliable connection and fixation are provided, and the valve seat body can be effectively prevented from loosening or shifting in the use process; the sealing performance between the valve seat body and the shell is further enhanced by the ring groove and the sealing ring.
Claims (8)
1. The utility model provides a sealed disk seat of ball valve, is including installing the disk seat body in the casing, the disk seat body is used for installing cooperation, its characterized in that with the valve ball in the casing: the center of the valve seat body is provided with a conducting part which is communicated with the valve ball; the valve seat body comprises a sealing inner ring and a sealing outer ring, the sealing outer ring is arranged on the sealing inner ring, the diameter of the sealing outer ring is smaller than that of the sealing inner ring, one end of the inner surface of the sealing inner ring is provided with an inclined sealing surface, the sealing surface is a convex circular arc, the sealing surface is in contact with a valve ball, one end of the outer surface of the sealing inner ring is provided with a step part, one end of the inner surface of the sealing inner ring is also provided with a ring groove for positioning, and the outer side of the sealing outer ring is provided with a clamping groove connected with a shell.
2. The ball valve seal valve seat of claim 1, wherein the seal outer ring is provided with a first mounting hole, the first mounting hole is provided with a first screw, and the valve seat body is connected with the shell through the first mounting hole and the first screw.
3. The ball valve sealing valve seat of claim 1, wherein the mounting plate is arranged on the outer side of the valve seat body, the clamping hook is arranged on the lower side of the mounting plate, the mounting plate is provided with a second mounting hole, the second mounting hole is provided with a second screw, and the valve seat body is connected with the shell through the second mounting hole and the second screw.
4. A ball valve seal seat according to claim 3, wherein said catch is triangular in shape.
5. A ball valve seal valve seat according to claim 3, wherein the seal inner ring, the seal outer ring and the mounting plate are integrally formed, and the mounting plate, the clamping hook, the second mounting hole and the second screw are at least arranged into 4 groups.
6. The ball valve seal valve seat of claim 1, wherein a seal ring is arranged in the ring groove.
7. The ball valve seal seat of claim 6 wherein said seal ring is rubber.
8. A ball valve seal as defined in claim 1 wherein said pass-through portion has a diameter of between 9mm and 9.5mm and said ball has a diameter of between 19mm and 19.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902715.7U CN220488345U (en) | 2023-07-19 | 2023-07-19 | Ball valve sealing valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321902715.7U CN220488345U (en) | 2023-07-19 | 2023-07-19 | Ball valve sealing valve seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220488345U true CN220488345U (en) | 2024-02-13 |
Family
ID=89829788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321902715.7U Active CN220488345U (en) | 2023-07-19 | 2023-07-19 | Ball valve sealing valve seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220488345U (en) |
-
2023
- 2023-07-19 CN CN202321902715.7U patent/CN220488345U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |