CN219954286U - Top-mounted ball valve with transmission mounting structure - Google Patents
Top-mounted ball valve with transmission mounting structure Download PDFInfo
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- CN219954286U CN219954286U CN202320447813.XU CN202320447813U CN219954286U CN 219954286 U CN219954286 U CN 219954286U CN 202320447813 U CN202320447813 U CN 202320447813U CN 219954286 U CN219954286 U CN 219954286U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 159
- 238000007789 sealing Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses an upper-mounted ball valve with a transmission mounting structure, which comprises a valve body, a valve cover, a valve ball, a valve rod, a valve seat and the transmission mounting structure; the valve seats are two and are respectively arranged at two ends in the valve body, the valve ball is arranged between the two valve seats, the valve cover is covered on the valve body, and the valve rod passes through the valve cover to be connected to the valve ball; the transmission mounting structure comprises a transmission rod and a transmission piece, wherein the transmission rod is connected with the valve seat through the transmission piece, one end of the transmission rod is arranged at the bottom in the valve body, the other end of the transmission rod is arranged at the bottom of the valve cover, the transmission rod is rotated to drive the valve seat to move through the transmission piece, and the transmission rod is separated from or close to the valve ball, so that the installation and the disassembly of the valve ball are realized. According to the utility model, the transmission mounting structure connected with the valve seat is arranged in the valve body, and the valve seat is moved to be separated from or close to the valve ball by rotating the transmission rod of the transmission mounting structure, so that the valve ball is mounted and dismounted, and the rapid mounting and dismounting of the internal parts of the valve body are realized; the whole structure is compact, the pressure bearing performance is good, the sealing is reliable, and the maintenance is convenient.
Description
Technical Field
The utility model relates to the field of valves, in particular to a top-mounted ball valve with a transmission mounting structure.
Background
The valve is an indispensable fluid control device for various departments of national economy such as petroleum, chemical engineering, power stations, long-distance pipelines, shipbuilding, nuclear industry, various low-temperature engineering, aerospace and marine oil production. With the development and the needs of industries such as national petroleum, natural gas, LNG and the like, the development of valve industry is promoted.
Ball valves are widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like in China. The ball valve has the advantages of wear resistance, good sealing performance, light switch, long service life, small volume, light weight and the like. The existing ball valve is usually a side-mounted ball valve, the ball valve is required to be disassembled for maintenance, but long-time stopping is not allowed on a process pipeline, and the side-mounted ball valve has the defect of difficult disassembly and maintenance, so that the prior art adopts a top-mounted ball valve to replace the traditional side-mounted ball valve, and the top-mounted ball valve has the advantages that a valve cover is opened to take out the ball valve internal part, so that quick maintenance is realized; however, the internal components of the top-mounted ball valve are difficult to assemble and disassemble, particularly the valve ball is required to be assembled and disassembled through a special assembly and disassembly tool for the internal components of the ball valve, and the valve ball is not convenient to maintain due to the fact that the special assembly and disassembly tool is relied on. Therefore, it is necessary to design a top-mounted ball valve with a transmission mounting structure, and the disassembly and assembly of the ball valve internals are realized without a special disassembly and assembly tool.
Disclosure of Invention
The utility model aims to solve the technical problem of providing an upper-mounted ball valve with a transmission mounting structure, and solves the problem that the existing upper-mounted ball valve needs a special ball valve internal part dismounting device for dismounting and mounting, and is not beneficial to maintenance.
The utility model aims to solve the technical problems and adopts the technical scheme that the utility model provides a top-mounted ball valve with a transmission mounting structure, which comprises a valve body, a valve cover, a valve ball, a valve rod, a valve seat and the transmission mounting structure; the valve seats are two and are respectively arranged at two ends in the valve body, the valve ball is arranged between the two valve seats, the valve cover is covered on the valve body, and the valve rod passes through the valve cover to be connected to the valve ball; the transmission mounting structure comprises a transmission rod and a transmission part, wherein the transmission rod is connected with the valve seat through the transmission part, one end of the transmission rod is arranged at the bottom in the valve body, the other end of the transmission rod is arranged at the bottom of the valve cover, the transmission rod is rotated to drive the valve seat to move through the transmission part, and the transmission rod is separated from or close to the valve ball, so that the valve ball is mounted and dismounted.
Further, the transmission mounting structure is formed by arranging four groups on two sides of the two valve seats respectively, the transmission piece comprises a first transmission piece and a second transmission piece which are movably connected, one end of the first transmission piece is fixedly connected with the transmission rod, and the other end of the first transmission piece is in pin joint with one end of the second transmission piece through a cylindrical pin; the other end of the second transmission plate is fixed with the valve seat through a screw.
Further, the transmission rod comprises a valve body installation section, a transmission piece first installation section, a middle section, a transmission piece second installation section and a valve cover installation section which are sequentially arranged from bottom to top, the transmission rod is connected with the valve body through the valve body installation section, the transmission rod is connected with the first transmission piece through the transmission piece first installation section or the transmission piece second installation section, and the transmission rod is connected with the valve cover through the valve cover installation section.
Further, a fixing groove matched with the second transmission piece is formed in the periphery of the valve seat, and a threaded hole for installing the screw is formed in the fixing groove.
Further, a first mounting counter bore matched with the transmission rod is formed in the bottom of the valve body, and a second mounting counter bore matched with the transmission rod is formed in the bottom of the valve cover; the first mounting counter bore and the second mounting counter bore are correspondingly arranged.
Further, valve seat mounting grooves are formed in two ends in the valve body, a gasket groove and a sealing groove are sequentially formed in the contact surface of the valve seat and the valve seat mounting grooves, a winding gasket is arranged in the gasket groove, and a sealing ring is arranged in the sealing groove.
Further, a valve seat mounting hole is formed in the bottom of the valve body, a spring seat is arranged on the hole wall of the valve seat mounting hole, a spring is arranged in the spring seat, and the spring is abutted to the valve seat.
Further, a positioning column is arranged at the bottom of the valve ball, a valve ball mounting hole matched with the positioning column is formed in the bottom in the valve body, and the valve ball is clamped into the valve ball mounting hole through the positioning column for mounting.
Further, a connecting hole for hoisting is formed in the top of the valve ball; the bottom of valve rod is provided with the circular bead, when the valve rod is connected the valve ball, the circular bead covers the connecting hole.
Compared with the prior art, the utility model has the following beneficial effects: according to the upper-mounted ball valve with the transmission mounting structure, the transmission mounting structure connected with the valve seat is arranged in the valve body, and the valve seat is moved to be separated from or close to the valve ball by rotating the transmission rod of the transmission mounting structure, so that the valve ball is mounted and dismounted, and the rapid mounting and dismounting of the internal parts of the valve body are realized; a winding gasket and a sealing ring are arranged on the valve seat to realize the sealing of the joint of the valve seat and the valve body; the valve body is internally provided with a spring seat, and a spring which is abutted against the valve seat is arranged in the spring seat and is used for compensating the pretightening force so as to ensure the sealing reliability of the valve seat and the valve body; the valve is compact in integral structure, good in pressure bearing performance, reliable in sealing, capable of being repeatedly used and convenient to maintain, and the valve does not need to be disassembled and assembled through a special ball valve inner part disassembling tool.
Drawings
FIG. 1 is a schematic illustration of a top-loading ball valve (with valve cover and valve stem removed) with a drive mounting structure in accordance with an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a top-loading ball valve having a drive mounting structure in accordance with an embodiment of the utility model;
FIG. 3 is a top view of a top-mounted ball valve (with the valve cover and valve stem removed) with a drive mounting structure in accordance with an embodiment of the present utility model;
FIG. 4 is a schematic view of a transmission mounting structure in an embodiment of the present utility model;
FIG. 5 is a schematic view of a driving rod according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of the connection of the transmission rod and the valve seat in an embodiment of the present utility model.
FIG. 7 is a schematic view showing a valve trim installed in accordance with an embodiment of the present utility model;
FIG. 8 is a top view of a valve trim assembly according to an embodiment of the present utility model;
FIG. 9 is a schematic view showing the valve trim in use according to an embodiment of the present utility model;
FIG. 10 is a schematic top view of a valve trim according to an embodiment of the present utility model.
In the figure:
1. a valve body; 2. a valve seat; 3. a valve ball; 4. a spring; 5. a spring seat; 6. a seal ring; 7. winding a gasket; 8. a valve cover; 9. a transmission mounting structure; 11. a valve stem; 12. a transmission rod; 13. a first transmission plate; 14. a second transmission plate; 15. a cylindrical pin; 16. a screw; 21. a fixing groove; 22. a gasket groove; 23. sealing grooves; 31. a connection hole; 81. a second mounting counterbore; 100. a valve seat mounting groove; 101. a first mounting counterbore; e1, a valve body mounting section; e2, a first mounting section of the transmission piece; e3, an intermediate section; e4, a second mounting section of the transmission piece; and e5, a valve cover mounting section.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is a schematic illustration of a top-loading ball valve (with valve cover and valve stem removed) with a drive mounting structure in accordance with an embodiment of the present utility model; FIG. 2 is a cross-sectional view of a top-loading ball valve having a drive mounting structure in accordance with an embodiment of the utility model; fig. 3 is a top view of a top-mounted ball valve (with the valve cover and valve stem removed) with a drive mounting structure in accordance with an embodiment of the present utility model.
Referring to fig. 1 to 3, the top-loading ball valve with a transmission mounting structure in the embodiment of the present utility model includes a valve body 1, a valve cover 8, a valve ball 3, a valve rod 11, a valve seat 2 and a transmission mounting structure 9; the valve seats 2 are two and are respectively arranged at two ends in the valve body 1, the valve ball 3 is arranged between the two valve seats 2, the valve cover 8 covers the valve body 1, and the valve rod 11 passes through the valve cover 8 and is connected to the valve ball 3; the transmission mounting structure 9 comprises a transmission rod 12 and a transmission member, wherein the transmission rod 12 is connected with the valve seat 2 through the transmission member, one end of the transmission rod 12 is arranged at the bottom in the valve body 1, the other end of the transmission rod is arranged at the bottom of the valve cover 8, the transmission rod 12 is rotated to drive the valve seat 2 to move through the transmission member, and the transmission rod is separated from or close to the valve ball 3, so that the installation and the disassembly of the valve ball 3 are realized. And further realizing the quick disassembly and assembly of the valve internal parts.
Specifically, a first mounting counter bore 101 matched with the transmission rod 12 is arranged at the bottom in the valve body 1, and a second mounting counter bore 81 matched with the transmission rod 12 is arranged at the bottom of the valve cover 8; the first mounting counterbore 101 and the second mounting counterbore 81 are correspondingly disposed.
Specifically, a valve seat mounting hole is formed in the bottom of the valve body 1, a spring seat 5 is arranged on the hole wall of the valve seat mounting hole, a spring 4 is arranged in the spring seat 5, and the spring 4 is abutted to the valve seat 2. The spring 4 is used for compensating the pretightening force and guaranteeing the reliability of sealing.
Specifically, the bottom of the valve ball 3 is provided with a positioning column, the bottom in the valve body 1 is provided with a valve ball mounting hole matched with the positioning column, and the valve ball is clamped into the valve ball mounting hole through the positioning column for mounting.
Referring to fig. 4, in the upper ball valve with the transmission installation structure in the embodiment of the utility model, the transmission installation structure 9 is four groups of transmission parts respectively arranged at two sides of two valve seats 2, each transmission part comprises a first transmission sheet 13 and a second transmission sheet 14 which are movably connected, one end of the first transmission sheet 13 is fixedly connected with a transmission rod 12, and the other end of the first transmission sheet is in pin joint with one end of the second transmission sheet 14 through a cylindrical pin 15; the other end of the second transmission plate 14 is fixed to the valve seat 2 by a screw 16.
Referring to fig. 5, in the top-mounted ball valve with a transmission mounting structure according to the embodiment of the utility model, a transmission rod 12 includes a valve body mounting section e1, a transmission piece first mounting section e2, a middle section e3, a transmission piece second mounting section e4 and a valve cover mounting section e5 which are sequentially arranged from bottom to top, the transmission rod 12 is connected with the valve body 1 through the valve body mounting section e1, the transmission rod 12 is connected with a first transmission piece 13 through the transmission piece first mounting section e2 or the transmission piece second mounting section e4, and the transmission rod 12 is connected with the valve cover 8 through the valve cover mounting section e 5. The length of e4 is greater than the length of e2, and the transmission rod 12 is convenient to rotate.
Referring to fig. 6, in the top-loading ball valve with the transmission mounting structure according to the embodiment of the present utility model, a fixing groove 21 matched with the second transmission plate 14 is provided at the outer circumference of the valve seat 2, and the fixing groove 21 is provided with a threaded hole for mounting the screw 16.
Specifically, valve seat mounting grooves 100 are formed in two ends in the valve body 1, a gasket groove 22 and a sealing groove 23 are sequentially formed in the contact surface of the valve seat 2 and the valve seat mounting grooves 100, a winding gasket 7 is arranged in the gasket groove 22, and a sealing ring 6 is arranged in the sealing groove 23. The winding gasket 7 plays a role in fire prevention, and the sealing ring 6 realizes the sealing of the joint of the valve seat 2 and the valve body 1.
Preferably, the top of the valve ball 3 is provided with a connection hole 31 for lifting; the bottom of valve rod 11 is provided with the shoulder, and when valve rod 11 connects valve ball 3, the shoulder covers connecting hole 31, plays the guard action.
Referring to fig. 7-10, when the upper-mounted ball valve with the transmission mounting structure is mounted, firstly, a spring seat 5 is mounted in a valve seat mounting hole, a spring 4 is mounted in the spring seat 5, a sealing ring 6 and a winding gasket 7 are mounted on a valve seat 2, then, a transmission mounting structure 9 is mounted on the valve seat 2, then, the valve seat 2 is mounted in a valve body 1, a transmission rod 12 is rotated by applying external force to drive a transmission plate, the transmission plate drives the valve seat 2 to move towards the interior of the valve body 1, then, a valve ball 3 is mounted in the valve body 1 through a connecting hole 31, the transmission rod 12 is rotated by applying external force to drive the transmission plate, the transmission plate drives the valve seat 2 to move towards the valve ball 3, and then, a valve rod 11 and a valve cover 8 are mounted, so that the mounting of the valve inner part is realized. When the valve trim is disassembled, the valve rod 11 and the valve cover 8 are disassembled firstly, then the transmission rod 12 is rotated by applying external force to drive the transmission sheet, the transmission sheet drives the valve seat 2, the valve seat 2 moves towards the inside of the valve body 1, then the valve ball 3 is hung out of the valve body 1 through the connecting hole 31, and then the valve seat 2 and the transmission mounting structure 9 are disassembled, so that the valve trim is disassembled.
When the ball valve is used, the opening size between the two valve seats 2 is d2, the length of the valve ball 3 is d1, d2 is more than d1, when the ball valve is used, the opening size between the two valve seats 2 is d2', and the length of the valve ball 3 is still d1, d2' < d1. And d2' should differ by Δf2 less than the maximum compression Δf1 of the spring 4.
In summary, in the top-mounted ball valve with the transmission mounting structure according to the embodiment of the utility model, the transmission mounting structure 9 connected with the valve seat 2 is arranged in the valve body 1, and the valve seat 2 is moved to be separated from or close to the valve ball 3 by rotating the transmission rod 12 of the transmission mounting structure 9, so that the valve ball 3 is mounted and dismounted, and the rapid mounting and dismounting of the internal components of the valve body are realized; a winding gasket 7 and a sealing ring 6 are arranged on the valve seat 2, so that the joint of the valve seat 2 and the valve body 1 is sealed; a spring seat 5 is arranged in the valve body 1, a spring 4 which is abutted against the valve seat 2 is arranged in the spring seat 5 and used for compensating the pretightening force, so that the sealing reliability of the valve seat 2 and the valve body 1 is ensured; the valve is compact in integral structure, good in pressure bearing performance, reliable in sealing, capable of being repeatedly used and convenient to maintain, and the valve does not need to be disassembled and assembled through a special ball valve inner part disassembling tool.
While the utility model has been described with reference to the preferred embodiments, it is not intended to limit the utility model thereto, and it is to be understood that other modifications and improvements may be made by those skilled in the art without departing from the spirit and scope of the utility model, which is therefore defined by the appended claims.
Claims (9)
1. The upper-mounted ball valve with the transmission mounting structure is characterized by comprising a valve body, a valve cover, a valve ball, a valve rod, a valve seat and the transmission mounting structure; the valve seats are two and are respectively arranged at two ends in the valve body, the valve ball is arranged between the two valve seats, the valve cover is covered on the valve body, and the valve rod passes through the valve cover to be connected to the valve ball; the transmission mounting structure comprises a transmission rod and a transmission part, wherein the transmission rod is connected with the valve seat through the transmission part, one end of the transmission rod is arranged at the bottom in the valve body, the other end of the transmission rod is arranged at the bottom of the valve cover, the transmission rod is rotated to drive the valve seat to move through the transmission part, and the transmission rod is separated from or close to the valve ball, so that the valve ball is mounted and dismounted.
2. The top-mounted ball valve with the transmission mounting structure according to claim 1, wherein the transmission mounting structure is formed by four groups of transmission pieces respectively arranged on two sides of two valve seats, the transmission piece comprises a first transmission piece and a second transmission piece which are movably connected, one end of the first transmission piece is fixedly connected with the transmission rod, and the other end of the first transmission piece is in pin joint with one end of the second transmission piece through a cylindrical pin; the other end of the second transmission plate is fixed with the valve seat through a screw.
3. The top-mounted ball valve with a transmission mounting structure according to claim 2, wherein the transmission rod comprises a valve body mounting section, a transmission piece first mounting section, a middle section, a transmission piece second mounting section and a valve cover mounting section which are sequentially arranged from bottom to top, the transmission rod is connected with the valve body through the valve body mounting section, the transmission rod is connected with the first transmission piece through the transmission piece first mounting section or the transmission piece second mounting section, and the transmission rod is connected with the valve cover through the valve cover mounting section.
4. The top-loading ball valve with a drive mounting structure of claim 2, wherein the outer periphery of the valve seat is provided with a fixing groove matched with the second drive plate, and the fixing groove is provided with a threaded hole for mounting the screw.
5. The top-mounted ball valve with a transmission mounting structure according to claim 1, wherein a first mounting counter bore matched with the transmission rod is arranged at the bottom in the valve body, and a second mounting counter bore matched with the transmission rod is arranged at the bottom of the valve cover; the first mounting counter bore and the second mounting counter bore are correspondingly arranged.
6. The top-mounted ball valve with the transmission mounting structure according to claim 1, wherein valve seat mounting grooves are formed in two ends in the valve body, a gasket groove and a sealing groove are sequentially formed in the contact surface of the valve seat and the valve seat mounting grooves, a winding gasket is arranged in the gasket groove, and a sealing ring is arranged in the sealing groove.
7. The top-loading ball valve with the transmission mounting structure according to claim 1, wherein a valve seat mounting hole is formed in the bottom of the valve body, a spring seat is arranged on the hole wall of the valve seat mounting hole, a spring is arranged in the spring seat, and the spring is abutted with the valve seat.
8. The top-loading ball valve with the transmission mounting structure according to claim 1, wherein a positioning column is arranged at the bottom of the valve ball, a valve ball mounting hole matched with the positioning column is arranged at the bottom in the valve body, and the valve ball is clamped into the valve ball mounting hole through the positioning column for mounting.
9. The top-mounted ball valve with the transmission mounting structure according to claim 1, wherein a connecting hole for lifting is formed at the top of the valve ball; the bottom of valve rod is provided with the circular bead, when the valve rod is connected the valve ball, the circular bead covers the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320447813.XU CN219954286U (en) | 2023-03-10 | 2023-03-10 | Top-mounted ball valve with transmission mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320447813.XU CN219954286U (en) | 2023-03-10 | 2023-03-10 | Top-mounted ball valve with transmission mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954286U true CN219954286U (en) | 2023-11-03 |
Family
ID=88537994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320447813.XU Active CN219954286U (en) | 2023-03-10 | 2023-03-10 | Top-mounted ball valve with transmission mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954286U (en) |
-
2023
- 2023-03-10 CN CN202320447813.XU patent/CN219954286U/en active Active
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