CN209800823U - Connecting structure of ball valve end cover and valve body - Google Patents
Connecting structure of ball valve end cover and valve body Download PDFInfo
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- CN209800823U CN209800823U CN201920637284.3U CN201920637284U CN209800823U CN 209800823 U CN209800823 U CN 209800823U CN 201920637284 U CN201920637284 U CN 201920637284U CN 209800823 U CN209800823 U CN 209800823U
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- valve body
- end cover
- annular groove
- chucking
- valve
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Abstract
The utility model discloses a connection structure of ball valve end cover and valve body, the ball valve includes end cover and valve body, the one end of being connected with the valve body on the end cover is fixed with interior extension pipe, the one end circumference of keeping away from the end cover on the lateral wall of interior extension pipe is equipped with a plurality of chucking archs, be equipped with on the valve body with the protruding first annular groove of matched with of chucking, the one end that is close to the end cover on the inside wall of first annular groove is equipped with a plurality of spacing archs, form the draw-in groove opening that supplies the chucking arch to pass between the adjacent spacing arch, form the chucking recess between spacing arch and the first annular groove. Like this, the chucking arch on the end cover passes in the draw-in groove opening gets into first annular groove, and rotatory end cover makes chucking arch and chucking groove phase coordination, and then with end cover and valve body fixed connection to realize the location of end cover and valve body through the cylindric lock, its easy operation just can realize the online installation, for the bolt fastening mode, saved installation time and cost.
Description
Technical Field
The utility model relates to the technical field of valves, more specifically say, it relates to a connection structure of ball valve end cover and valve body.
Background
Ball valves are widely used in petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and other industries. The ball valve has the action of rotating 90 degrees, the cock body is a sphere, and a circular through hole or a channel passes through the axis of the cock body; the ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment; the ball valve is most suitable for being used as a switch and a stop valve. The ball valve generally includes valve body and end cover, and the end cover and the valve body of current ball valve are mostly through welding or bolt fixed connection, to the all welded ball valve, inconvenient online dismouting, and when passing through bolt fixed connection end cover and ball valve, the power consumption consuming time more again.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a connection structure of ball valve end cover and valve body, the chucking recess on chucking arch on its advantage lies in the end cover and the valve body cooperatees, and then with end cover and valve body fixed connection, its easy operation has saved installation time and cost.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a connection structure of ball valve end cover and valve body, the ball valve includes end cover and valve body, the one end of being connected with the valve body on the end cover is fixed with interior pipe, interior pipe can go deep into inside the valve body and laminate with the inside wall of valve body, the one end circumference of keeping away from the end cover on the lateral wall of interior pipe is equipped with a plurality of chucking archs, be equipped with the first annular groove with the protruding matched with of chucking on the valve body, the one end that is close to the end cover on the inside wall of first annular groove is equipped with a plurality of spacing archs, form the draw-in groove opening that supplies the chucking arch to pass between the adjacent spacing arch, form the chucking recess between spacing arch and the first annular groove, the lateral wall that is close to the end cover on the valve body. Thus, the clamping bulge on the end cover penetrates through the opening of the clamping groove to enter the first annular groove, the end cover and the valve body are pressed tightly, the end cover and the valve body are close to each other and extrude the metal wound gasket, the metal wound gasket is further compressed to enable the clamping bulge on the end cover to be completely deep into the first annular groove, the clamping bulge is matched with the clamping groove by rotating the end cover, at the moment, the metal wound gasket is in a compressed state, the end cover and the valve body move in opposite directions under the reaction force of the metal wound gasket, but the clamping bulge on the end cover is limited in the clamping groove on the valve body, so that the fixed connection of the end cover and the valve body is realized, and the connection firmness of the end cover and the valve body is; in addition, the second annular groove on the valve body is embedded with a metal winding gasket, so that on one hand, the sealing performance between the end cover and the valve body can be improved, and on the other hand, the valve body has fireproof performance.
preferably, one end of the inner extension pipe, which is far away from the end cover, extends to form an annular protrusion, and the annular protrusion can penetrate into the valve body and is attached to the inner side wall of the valve body.
Preferably, a third annular groove is circumferentially formed in the annular protrusion, and an O-shaped ring is embedded in the third annular groove. Like this, the bellied third annular groove of annular is embedded to have the O shape circle, and the leakproofness between annular arch and the valve body inside wall can be increased to the O shape circle.
Preferably, the end cover is provided with a through hole, the valve body is provided with a blind hole matched with the through hole, and the cylindrical pin penetrates through the through hole in the end cover to enter the blind hole in the valve body so as to position the end cover on the valve body. Like this, the chucking arch on the end cover passes in the draw-in groove opening gets into first annular groove to make chucking arch and chucking groove phase coordination through rotatory end cover, at this moment, through-hole and blind hole realize counterpointing, and realize the location of end cover and valve body through the cylindric lock.
To sum up, the utility model discloses following beneficial effect has: the clamping protrusion on the end cover penetrates through the clamping groove opening to enter the first annular groove, and the clamping protrusion is matched with the clamping groove by rotating the end cover, so that the end cover and the valve body are fixedly connected, the operation is simple, online disassembly and assembly can be realized, and the installation time and cost are saved compared with a bolt fixing mode; in addition, the second annular groove on the valve body is embedded with a metal winding gasket, so that the sealing performance of the end cover and the valve body can be improved on one hand, and the valve body has fireproof performance on the other hand.
Drawings
Fig. 1 is a schematic structural view of a ball valve end cover of the present invention;
FIG. 2 is a schematic structural view of the ball valve body of the present invention;
Fig. 3 is a schematic cross-sectional structure diagram of the connection between the end cap and the valve body according to the present invention.
Reference numerals: 1. an end cap; 2. a valve body; 3. positioning the flange; 4. a first flange; 5. a second flange; 6. extending the pipe inwards; 7. clamping the bulge; 8. a first annular groove; 9. a limiting bulge; 10. the clamping groove is opened; 11. clamping the groove; 12. a second annular groove; 13. a metal wound gasket; 14. an annular projection; 15. a third annular groove; 16. an O-shaped ring; 17. a through hole; 18. blind holes; 19. and (7) a cylindrical pin.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The embodiment discloses a connecting structure of a ball valve end cover and a valve body, as shown in fig. 1, fig. 2 and fig. 3, the ball valve comprises an end cover 1, a valve body 2 and a ball body, a fluid channel is arranged on both the end cover 1 and the valve body 2, a positioning flange 3 is arranged at one end of the end cover 1 connected with the valve body 2, a first flange 4 is arranged at the other end of the end cover 1, a second flange 5 is arranged at one end of the valve body 2 far away from the end cover 1, an inner extension pipe 6 is fixed at one end of the end cover 1 connected with the valve body 2, the inner extension pipe 6 can penetrate into the valve body 2 and is attached to the inner side wall of the valve body 2, a plurality of clamping protrusions 7 are circumferentially arranged at one end of the outer side wall of the inner extension pipe 6 far away from the end cover 1, a first annular groove 8 matched with the clamping protrusions 7 is arranged on the valve body 2, a limiting protrusion 9 is arranged at one end of the inner side wall, a clamping groove 11 is formed between the limiting protrusion 9 and the first annular groove 8. The clamping protrusion 7 can penetrate through the clamping groove opening 10 to enter the first annular groove 8, and the clamping protrusion 7 is matched with the clamping groove 11 by rotating the end cover 1. The lateral wall that is close to end cover 1 on the valve body 2 is equipped with second annular groove 12, and second annular groove 12 encircles the setting of draw-in groove opening 10, and second annular groove 12 is embedded to have metal winding gasket 13, and the material of gasket is graphite clamp 304 silk. Thus, the clamping bulge 7 on the end cover 1 passes through the clamping groove opening 10 to enter the first annular groove 8 to tightly press the end cover 1 and the valve body 2, the end cover 1 and the valve body 2 are close to each other and extrude the metal wound gasket 13, further compressing the metal winding gasket 13 to ensure that the clamping bulge 7 on the end cover 1 is completely embedded into the first annular groove 8, the end cover 1 is rotated to enable the clamping bulge 7 to be matched with the clamping groove 11, at the moment, the metal winding gasket 13 is in a compressed state, the end cover 1 and the valve body 2 move in opposite directions under the reaction force of the metal winding gasket 13, but the clamping bulge 7 on the end cover 1 is limited in the clamping groove 11 on the valve body 2, thereby realizing the fixed connection of the end cover 1 and the valve body 2, increasing the firmness of the connection of the end cover 1 and the valve body 2, the operation is simple, the online disassembly and assembly can be realized, and the installation time and the cost are saved compared with a bolt fixing mode; in addition, the second annular groove 12 on the valve body 2 is embedded with a metal winding gasket 13, so that on one hand, the sealing performance between the end cover 1 and the valve body 2 can be improved, and on the other hand, the fireproof performance is realized. The distance from the clamping protrusion 7 to the positioning flange 3 is equal to the width of the limiting protrusion 9, so that when the end cover 1 and the valve body 2 are assembled, the end cover 1 is attached to the positioning flange 3.
The one end of keeping away from end cover 1 on the interior pipe 6 extends and forms annular bulge 14, and annular bulge 14 can go deep into valve body 2 inside and with the laminating of the inside wall of valve body 2, and circumference is equipped with third annular groove 15 on the annular bulge 14, and third annular groove 15 is embedded to have O shape circle 16, and O shape circle 16 can increase the leakproofness between annular bulge 14 and the 2 inside walls of valve body. The end cover 1 is further provided with a through hole 17, the valve body 2 is provided with a blind hole 18 matched with the through hole 17, and the cylindrical pin 19 penetrates through the through hole 17 in the end cover 1 to enter the blind hole 18 in the valve body 2, so that the end cover 1 is positioned on the valve body 2. The clamping protrusion 7 on the end cover 1 penetrates through the clamping groove opening 10 to enter the first annular groove 8, the clamping protrusion 7 is matched with the clamping groove 11 by rotating the end cover 1, at the moment, the through hole 17 and the blind hole 18 are aligned, and the end cover 1 and the valve body 2 are positioned through the cylindrical pin 19.
The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a connection structure of ball valve end cover and valve body, the ball valve includes end cover (1) and valve body (2), characterized by: one end of being connected with valve body (2) on end cover (1) is fixed with interior pipe (6), interior pipe (6) of stretching can go deep into valve body (2) inside and laminate with the inside wall of valve body (2), the one end circumference of keeping away from end cover (1) on the lateral wall of interior pipe (6) is equipped with a plurality of chucking archs (7), be equipped with on valve body (2) with the first annular groove (8) of chucking arch (7) matched with, the one end that is close to end cover (1) on the inside wall of first annular groove (8) is equipped with a plurality of spacing archs (9), form draw-in groove opening (10) that supply chucking arch (7) to pass between the adjacent spacing archs (9), form chucking recess (11) between spacing archs (9) and first annular groove (8), the lateral wall that is close to end cover (1) on valve body (2) still is equipped with second annular groove (12), second annular groove (12) are embedded to have metal winding gasket (13).
2. A ball valve end cap to valve body connection structure as claimed in claim 1, wherein: one end of the inner extension pipe (6) far away from the end cover (1) extends to form an annular protrusion (14), and the annular protrusion (14) can penetrate into the valve body (2) and is attached to the inner side wall of the valve body (2).
3. A ball valve end cap to valve body connection structure as claimed in claim 2, wherein: the annular bulge (14) is circumferentially provided with a third annular groove (15), and an O-shaped ring (16) is embedded in the third annular groove (15).
4. A ball valve end cap to valve body connection structure as claimed in claim 1, wherein: the end cover (1) is provided with a through hole (17), the valve body (2) is provided with a blind hole (18) matched with the through hole (17), and a cylindrical pin (19) penetrates through the through hole (17) in the end cover (1) to enter the blind hole (18) in the valve body (2) so as to position the end cover (1) on the valve body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637284.3U CN209800823U (en) | 2019-05-06 | 2019-05-06 | Connecting structure of ball valve end cover and valve body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920637284.3U CN209800823U (en) | 2019-05-06 | 2019-05-06 | Connecting structure of ball valve end cover and valve body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209800823U true CN209800823U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920637284.3U Active CN209800823U (en) | 2019-05-06 | 2019-05-06 | Connecting structure of ball valve end cover and valve body |
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| Country | Link |
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| CN (1) | CN209800823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352733A (en) * | 2021-12-30 | 2022-04-15 | 昆山诺驰机械科技有限公司 | Multifunctional pneumatic control check stop valve |
-
2019
- 2019-05-06 CN CN201920637284.3U patent/CN209800823U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114352733A (en) * | 2021-12-30 | 2022-04-15 | 昆山诺驰机械科技有限公司 | Multifunctional pneumatic control check stop valve |
| CN114352733B (en) * | 2021-12-30 | 2023-12-12 | 昆山诺驰机械科技有限公司 | Multifunctional pneumatic control non-return stop valve |
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