CN220706471U - Ball valve seat capable of adjusting flow - Google Patents
Ball valve seat capable of adjusting flow Download PDFInfo
- Publication number
- CN220706471U CN220706471U CN202322389348.1U CN202322389348U CN220706471U CN 220706471 U CN220706471 U CN 220706471U CN 202322389348 U CN202322389348 U CN 202322389348U CN 220706471 U CN220706471 U CN 220706471U
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- control flow
- flow section
- ball valve
- valve seat
- holes
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- 230000006978 adaptation Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model discloses a ball valve seat capable of adjusting flow, and relates to the technical field of valves. According to the utility model, through the structural improvement of the valve seat body, the medium flow can be accurately changed in the opening process of the ball valve body, no dead zone exists, and high-precision flow regulation can be realized.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a ball valve seat capable of adjusting flow.
Background
The existing flow regulating ball valve generally realizes flow regulation by arranging a V-shaped hole on a ball body of the ball valve, and the ball valve with the structure is applied to places with low requirements on regulation precision such as chemical industry, petroleum, gas, metallurgy, electronics and the like, can completely meet the use requirement, and in some occasions needing high-precision flow control, because the valve is in an angular stroke, dead zones are easy to generate, the process requirement cannot be met in precision regulation, and the production is influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a ball valve seat with adjustable flow.
The technical scheme provided by the utility model is as follows:
the utility model provides a but ball valve disk seat of adjustable flow, includes the disk seat body, the one end of disk seat body is equipped with the arc surface with ball valve ball looks adaptation, the arc surface is equipped with a plurality of control flow section along the spheroidal aperture increase direction of ball valve, all set up a plurality of through-holes that supply the medium to pass through on the control flow section, and the area that the through-hole can supply the medium to pass through on the control flow section increases gradually along the spheroidal aperture increase direction of ball valve in proper order.
The control flow section sequentially comprises a first control flow section, a second control flow section and a third control flow section along the opening increasing direction of the ball valve ball body, the orthographic projection area of the first control flow section on the plane parallel to the valve seat body is 15% of the plane projection area of the arc surface, the orthographic projection area of the second control flow section on the plane parallel to the valve seat body is 41% of the plane projection area of the arc surface, and the orthographic projection area of the third control flow section on the plane parallel to the valve seat body is 44% of the plane projection area of the arc surface.
The first control flow section is provided with a plurality of first through holes, the second control flow section is provided with a plurality of second through holes, the third control flow section is provided with a plurality of third through holes, the area of a single third through hole is larger than that of a single second through hole, and the area of a single second through hole is larger than that of a single first through hole.
The first through holes are arranged in an array, the second through holes are arranged in an array, and the third through holes are arranged in an array.
The utility model has the beneficial effects that: according to the utility model, the arc surface matched with the ball body of the ball valve is arranged at one end of the valve seat body, and the arc surface is arranged in the medium channel of the ball valve to play a role in limiting the medium flow, so that a V-shaped hole is not required to be formed in the ball body of the ball valve, a plurality of dry control flow sections are arranged on the arc surface, a plurality of through holes for the medium to pass through are formed in the control flow sections, and the area of the through holes for the medium to pass through is gradually increased in sequence along the opening increasing direction of the ball body of the ball valve, so that the medium flow can be accurately changed in the opening process of the ball body of the ball valve, and as each control flow section is provided with a plurality of through holes, no dead zone exists, the flow control is more stable, and the high-precision flow regulation is realized.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
fig. 2 is a cross-sectional structural view of an embodiment of the present utility model.
Detailed Description
Embodiments of the present utility model are further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a ball valve seat with adjustable flow comprises a valve seat body 1, one end of the valve seat body 1 is provided with an arc surface 2 matched with a ball body of the ball valve, the arc surface 2 is sequentially provided with a first control flow section 3, a second control flow section 4 and a third control flow section 5 from right to left in the opening increasing direction of the ball valve body 1 shown in fig. 1, the orthographic projection area of the first control flow section 3 on a plane parallel to the valve seat body 1 is 15% of the orthographic projection area of the arc surface 2 on the plane, the opening of the corresponding valve is 0-30 degrees, the orthographic projection area of the second control flow section 4 on the plane parallel to the valve seat body 1 is 41% of the orthographic projection area of the arc surface 2 on the plane, the opening of the corresponding valve is 30-60 degrees, the orthographic projection area of the third control flow section 5 on the plane parallel to the valve seat body is 44% of the orthographic projection area of the arc surface 2 on the plane, and the opening of the corresponding valve is 60-90 degrees.
As shown in fig. 1, the first control flow section 3 is provided with a plurality of first through holes 6 arranged in an array, the second control flow section 4 is provided with a plurality of second through holes 7 arranged in an array, the third control flow section 5 is provided with a plurality of third through holes 8 arranged in an array, the area of the single first through hole 6 for passing medium is smaller than the area of the single second through hole 7 for passing medium is smaller than the area of the single third through hole 8 for passing medium, the ball valve ball body gradually increases along with the gradual increase of the opening degree in the opening process, the corresponding through holes for passing medium are gradually increased, and three-section flow control is respectively realized by small flow percentage adjustment corresponding to the first control flow section 3, medium flow percentage adjustment corresponding to the combination of the first control flow section 3 and the second control flow section 4, and large flow percentage adjustment corresponding to the combination of the third control flow section 5, and high-precision flow adjustment is realized.
The examples should not be construed as limiting the utility model, and any non-inventive modifications based on the spirit of the utility model should be regarded as being within the scope of the utility model.
Claims (4)
1. The utility model provides a but ball valve disk seat of flow regulation which characterized in that: including the disk seat body, the one end of disk seat body is equipped with the arc surface with the spherical looks adaptation of ball valve, the arc surface is equipped with a plurality of control flow section along the spheroidal aperture increase direction of ball valve, all set up a plurality of through-holes that supply the medium to pass through on the control flow section, and the area that the through-hole can supply the medium to pass through on the control flow section increases gradually along the spheroidal aperture increase direction of ball valve in proper order.
2. The adjustable flow ball valve seat of claim 1, wherein: the control flow section sequentially comprises a first control flow section, a second control flow section and a third control flow section along the opening increasing direction of the ball valve ball body, the orthographic projection area of the first control flow section on the plane parallel to the valve seat body is 15% of the plane projection area of the arc surface, the orthographic projection area of the second control flow section on the plane parallel to the valve seat body is 41% of the plane projection area of the arc surface, and the orthographic projection area of the third control flow section on the plane parallel to the valve seat body is 44% of the plane projection area of the arc surface.
3. A flow-adjustable ball valve seat as defined in claim 2, wherein: the first control flow section is provided with a plurality of first through holes, the second control flow section is provided with a plurality of second through holes, the third control flow section is provided with a plurality of third through holes, the area of a single third through hole is larger than that of a single second through hole, and the area of a single second through hole is larger than that of a single first through hole.
4. A flow-adjustable ball valve seat as defined in claim 3, wherein: the first through holes are arranged in an array, the second through holes are arranged in an array, and the third through holes are arranged in an array.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322389348.1U CN220706471U (en) | 2023-09-04 | 2023-09-04 | Ball valve seat capable of adjusting flow |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322389348.1U CN220706471U (en) | 2023-09-04 | 2023-09-04 | Ball valve seat capable of adjusting flow |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220706471U true CN220706471U (en) | 2024-04-02 |
Family
ID=90440159
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202322389348.1U Active CN220706471U (en) | 2023-09-04 | 2023-09-04 | Ball valve seat capable of adjusting flow |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220706471U (en) |
-
2023
- 2023-09-04 CN CN202322389348.1U patent/CN220706471U/en active Active
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