CN219655318U - High-strength connecting structure of valve ball casting - Google Patents
High-strength connecting structure of valve ball casting Download PDFInfo
- Publication number
- CN219655318U CN219655318U CN202320987494.1U CN202320987494U CN219655318U CN 219655318 U CN219655318 U CN 219655318U CN 202320987494 U CN202320987494 U CN 202320987494U CN 219655318 U CN219655318 U CN 219655318U
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- valve ball
- valve
- valve rod
- casting
- ball
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- 238000005266 casting Methods 0.000 title claims abstract description 51
- 238000007789 sealing Methods 0.000 claims description 12
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 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
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
A high-strength connecting structure for valve ball castings is characterized in that a limiting piece is arranged between the valve ball castings and a valve rod casting, the connecting portion of the limiting piece stretches into a valve ball connecting groove to be in threaded connection with the valve ball castings, and the limiting portion of the limiting piece can effectively limit the valve rod connecting end of the valve rod casting in the valve ball connecting groove, so that the phenomenon that the valve rod connecting end and the valve ball casting are loose and fall off is prevented, the connecting strength between the valve ball casting and the valve rod casting is improved, and when the valve ball casting or the valve rod casting needs to be replaced and maintained, the purpose of disassembly can be achieved only by rotating the limiting piece out of the valve ball connecting groove.
Description
Technical Field
The utility model relates to the technical field of ball valve castings, in particular to a high-strength connecting structure of a ball valve casting.
Background
And the opening and closing piece (ball body) is driven by the valve rod and rotates around the axis of the ball valve. The device can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for mediums containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of media on a pipeline, simultaneously can close any channel to enable the other two channels to be connected, and the existing ball valve and the valve rod are welded or connected in an inserted mode, so that the strength of the connecting structure is not high or the ball valve is not easy to disassemble and assemble, the ball valve cannot be independently replaced after being operated for a long time, the working efficiency of the ball valve is affected, and therefore, a structure with high connecting strength between the valve rod and the ball valve is needed.
Disclosure of Invention
In view of this, the present utility model provides a high strength connection structure for valve ball castings.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a valve ball foundry goods high strength connection structure, includes valve ball foundry goods and valve rod foundry goods, its characterized in that: offer the valve ball spread groove on the valve ball foundry goods, the valve ball spread groove has bottom cell wall and annular lateral wall, the sinking forms the locating hole on the bottom cell wall, set up the valve rod link on the valve rod foundry goods, the valve rod link stretches into the locating hole and is connected with the valve ball foundry goods, just set up the locating part between the annular lateral wall of valve rod link and valve ball spread groove, the locating part has connecting portion and spacing portion, the connecting portion stretches into the valve ball spread groove and is connected with the valve ball foundry goods, spacing portion sets up on the connecting portion top, spacing portion carries out spacing fixedly to the valve rod link of valve rod foundry goods.
Preferably, the spacing portion of locating part is annular structure and sets up the top at the connecting portion, spacing portion has interior spacing portion and outer wear-resisting portion, interior spacing portion sets up in connecting portion is close to one side of valve rod link of valve rod foundry goods, outer wear-resisting portion sets up in connecting portion one side of keeping away from the valve rod link, set up the external screw thread on the connecting portion, set up the internal thread that corresponds the external screw thread on the annular lateral wall of valve ball spread groove, the connecting portion stretches into valve ball spread groove and valve ball foundry goods threaded connection.
Preferably, after the valve rod connecting end stretches into the valve ball connecting groove, the top of the valve rod connecting end is flush with the top of the valve ball, the inner diameter of the limiting part is smaller than the outer diameter of the valve rod connecting end, the inner diameter of the limiting part is larger than the outer diameter of the valve rod casting, and the inner limiting part compresses the top of the valve rod connecting end.
Preferably, a sealing rubber pad is arranged at the bottom of the outer wear-resisting part of the limiting piece, the sealing rubber pad is sleeved at the bottom of the outer wear-resisting part, a connecting port is formed in the sealing rubber pad, and the connecting part penetrates through the sealing rubber pad and stretches into the valve ball connecting groove through the connecting port.
Preferably, a valve ball flow channel is formed in the valve ball casting, and buffer arc-shaped surfaces are arranged on two sides, close to the valve ball flow channel, of the valve ball casting.
Preferably, the valve ball casting, the valve rod casting and the limiting piece are all made of stainless steel.
The utility model has the beneficial effects that: according to the utility model, the limiting piece is arranged between the valve ball casting and the valve rod casting, the connecting part of the limiting piece extends into the valve ball connecting groove to be in threaded connection with the valve ball casting, and the limiting part of the limiting piece can effectively limit the valve rod connecting end of the valve rod casting in the valve ball connecting groove, so that the phenomenon of loosening and falling off between the valve rod connecting end and the valve ball casting is prevented, the connecting strength between the valve ball casting and the valve rod casting is improved, and the purpose of disassembly can be achieved only by rotating the limiting piece out of the valve ball connecting groove when the valve ball casting or the valve rod casting needs to be replaced and maintained.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged view at a in fig. 1.
Description of the embodiments
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model will be further described with reference to the drawings.
The utility model provides the following technical scheme:
1-2, the utility model discloses a high-strength connecting structure of a valve ball casting, which comprises a valve ball casting 1 and a valve rod casting 2, and is characterized in that: offer valve ball spread groove 3 on the valve ball foundry goods 1, valve ball spread groove 3 has bottom cell wall 4 and annular lateral wall 5, the sinking forms locating hole 6 on the bottom cell wall, set up valve rod link 7 on the valve rod foundry goods 2, valve rod link 7 corresponds the locating hole and sets up location portion 16, location portion 16 stretches into locating hole 6 and is connected with valve ball foundry goods 1, just set up locating part 8 between valve rod link 7 and the annular lateral wall 5 of valve ball spread groove 3, locating part 8 has connecting portion 9 and spacing portion 10, connecting portion 9 stretches into valve ball spread groove 3 and is connected with valve ball foundry goods 1, spacing portion 10 sets up on the connecting portion 9 top, spacing portion 10 carries out spacing fixedly to valve rod link 7 of valve rod foundry goods 2. Specifically, in this design, through setting up locating part 8 between valve ball foundry goods 1 and valve rod foundry goods 2, the connecting portion 9 of locating part 8 stretches into in the valve ball spread groove 3 and carries out threaded connection with valve ball foundry goods 1 to the spacing portion 10 of locating part 8 can effectually be spacing in valve ball spread groove 3 with the valve rod link 7 of valve rod foundry goods 2, thereby prevent to appear not hard up phenomenon that drops between valve rod link 7 and the valve ball foundry goods 1, improve the joint strength between valve ball foundry goods 1 and the valve rod foundry goods 2, when need change maintenance to valve ball foundry goods 1 or valve rod foundry goods 2, only need with locating part 8 from the internal rotation of valve ball spread groove 3 can reach the dismantlement purpose.
Further, the limiting part 10 of the limiting part 8 is arranged at the top end of the connecting part 9 in an annular structure, the limiting part 10 is provided with an inner limiting part 11 and an outer wear-resisting part 12, the inner limiting part 11 is arranged on one side, close to the valve rod connecting end 7 of the valve rod casting 2, of the connecting part 9, the outer wear-resisting part 12 is arranged on one side, far away from the valve rod connecting end 7, of the connecting part 9, an external thread is arranged on the connecting part 9, an internal thread corresponding to the external thread is arranged on the annular side wall 5 of the valve ball connecting groove 3, and the connecting part 9 extends into the valve ball connecting groove 3 to be in threaded connection with the valve ball casting 1. Specifically, through setting up spacing 8 as having the structure of interior spacing portion 11 and outer wear-resisting portion 12, interior spacing portion 11 can compress tightly the valve ball link of valve rod foundry goods 2 in valve ball spread groove 3, prevents that the connection between valve rod foundry goods 2 and the valve ball subassembly from appearing becoming flexible, and the area of contact between outer wear-resisting portion 12 then can spacing 8 and valve ball foundry goods 1 to reduce the wearing and tearing of spacing 8 to valve ball foundry goods 1 top through rubber seal.
Further, after the valve rod connecting end 7 stretches into the valve ball connecting groove 3, the top of the valve rod connecting end 7 is flush with the top of the valve ball, the inner diameter of the limiting part 10 is smaller than the outer diameter of the valve rod connecting end 7, the inner diameter of the limiting part 10 is larger than the outer diameter of the valve rod casting 2, and the inner limiting part 11 compresses the top of the valve rod connecting end 7.
Further, a sealing rubber gasket 13 is arranged at the bottom of the outer wear-resistant part 12 of the limiting piece 8, the sealing rubber gasket 13 is sleeved at the bottom of the outer wear-resistant part 12, a connecting port is formed in the sealing rubber gasket 13, and the connecting part 9 penetrates through the sealing rubber gasket 13 from the connecting port and stretches into the valve ball connecting groove 3.
Further, a valve ball flow passage 15 is formed in the valve ball casting 1, and buffer arc surfaces 14 are arranged on two sides, close to the valve ball flow passage 15, of the valve ball casting 1.
Further, the valve ball casting 1, the valve rod casting 2 and the limiting piece 8 are all made of stainless steel materials.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a valve ball foundry goods high strength connection structure, includes valve ball foundry goods and valve rod foundry goods, its characterized in that: offer the valve ball spread groove on the valve ball foundry goods, the valve ball spread groove has bottom cell wall and annular lateral wall, the sinking forms the locating hole on the bottom cell wall, set up the valve rod link on the valve rod foundry goods, the valve rod link stretches into the locating hole and is connected with the valve ball foundry goods, just set up the locating part between the annular lateral wall of valve rod link and valve ball spread groove, the locating part has connecting portion and spacing portion, the connecting portion stretches into the valve ball spread groove and is connected with the valve ball foundry goods, spacing portion sets up on the connecting portion top, spacing portion carries out spacing fixedly to the valve rod link of valve rod foundry goods.
2. The valve ball casting high strength connection structure according to claim 1, wherein: the limiting part of the limiting part is of an annular structure and is arranged at the top end of the connecting part, the limiting part is provided with an inner limiting part and an outer wear-resisting part, the inner limiting part is arranged on one side, close to the valve rod connecting end of the valve rod casting, of the connecting part, the outer wear-resisting part is arranged on one side, far away from the valve rod connecting end, of the connecting part, an external thread is arranged on the connecting part, an internal thread corresponding to the external thread is arranged on the annular side wall of the valve ball connecting groove, and the connecting part stretches into the valve ball connecting groove to be in threaded connection with the valve ball casting.
3. The valve ball casting high strength connection structure according to claim 2, wherein: after the valve rod connecting end stretches into the valve ball connecting groove, the top of the valve rod connecting end is flush with the top of the valve ball, the inner diameter of the limiting part is smaller than the outer diameter of the valve rod connecting end, the inner diameter of the limiting part is larger than the outer diameter of the valve rod casting, and the inner limiting part compresses the top of the valve rod connecting end.
4. The valve ball casting high strength connection structure according to claim 2, wherein: the sealing rubber gasket is arranged at the bottom of the outer wear-resisting part of the limiting piece, the sealing rubber gasket is sleeved at the bottom of the outer wear-resisting part, the connecting port is formed in the sealing rubber gasket, and the connecting part penetrates through the sealing rubber gasket and stretches into the valve ball connecting groove through the connecting port.
5. The valve ball casting high strength connection structure according to claim 1, wherein: and a valve ball flow passage is formed in the valve ball casting, and buffer arc-shaped surfaces are arranged on two sides, close to the valve ball flow passage, of the valve ball casting.
6. The valve ball casting high strength connection structure according to claim 1, wherein: the valve ball casting, the valve rod casting and the limiting piece are all made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320987494.1U CN219655318U (en) | 2023-04-24 | 2023-04-24 | High-strength connecting structure of valve ball casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320987494.1U CN219655318U (en) | 2023-04-24 | 2023-04-24 | High-strength connecting structure of valve ball casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655318U true CN219655318U (en) | 2023-09-08 |
Family
ID=87876354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320987494.1U Active CN219655318U (en) | 2023-04-24 | 2023-04-24 | High-strength connecting structure of valve ball casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655318U (en) |
-
2023
- 2023-04-24 CN CN202320987494.1U patent/CN219655318U/en active Active
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| GR01 | Patent grant |