Combined ball valve with removable seat
By designing a modular ball valve with a detachable valve seat, the problem of not being able to tighten the ball valve body during disassembly and assembly is solved by utilizing the internal and external thread engagement and sealing groove. This achieves convenient disassembly and assembly of the ball valve body and sealing at the connection points, thus improving the practicality of the device.
Patent Information
- Application Number
- CN202210655168.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-06-10
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2042-06-10
AI Technical Summary
The existing device cannot disassemble the ball valve body, which makes maintenance inconvenient and the connection is prone to water leakage, reducing the device's practicality.
A modular ball valve with a detachable seat was designed, comprising a ball valve body and a disassembly assembly. The connection pipe is installed and disassembled by internal and external thread engagement, and sealed by a sealing groove and a sealing ring.
It enables convenient disassembly and assembly of the ball valve body and sealing of the connection points, improving the convenience of maintenance and the practicality of the device, and preventing water leakage.
Smart Images

Figure CN114838156B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of ball valve technology, and more specifically to a combined ball valve with a detachable valve seat. Background Technology
[0002] A ball valve is a valve in which the valve stem drives the valve to rotate around the axis of the ball valve. It can also be used for fluid regulation and control. Among them, the hard-seal V-type ball valve has a strong shearing force between the V-shaped ball core and the metal valve seat with hard alloy overlay, and is particularly suitable for media containing fibers, small solid particles and the like.
[0003] Most existing devices cannot disassemble the main body of the ball valve, making it inconvenient for operators to disassemble and assemble the main body of the ball valve, which makes it more inconvenient for operators to maintain the valve. Furthermore, they cannot seal the connection points, which may lead to water leakage, thus reducing the practicality of the device. Summary of the Invention
[0004] To overcome the shortcomings of existing technologies, a modular ball valve with a detachable valve seat is provided. This addresses the problem that most existing devices cannot disassemble the main body of the ball valve, making it inconvenient for operators to disassemble and assemble the main body, which in turn makes maintenance difficult. Furthermore, the lack of sealing at the connection points may lead to water leakage, thus reducing the practicality of the device.
[0005] To achieve the above objectives, a combined ball valve with a detachable valve seat is provided, comprising: a ball valve body and a detachable assembly;
[0006] The ball valve body has symmetrically connected connection ports on both sides, and the connection ports are interconnected with the interior of the ball valve body;
[0007] The disassembly and assembly assembly is installed at the middle position on the top of the ball valve body, and the disassembly and assembly assembly is interconnected with the interior of the ball valve body.
[0008] Furthermore, the inner side of the connector is provided with an internal thread, a connecting tube is inserted into the inner side of the connector, and an external thread is provided on the outer side of the connecting tube near the connecting tube, and the external thread and the internal thread mesh with each other.
[0009] Furthermore, a valve seat is provided directly above the disassembly assembly, and a valve seat connecting pipe is connected to the bottom of the valve seat, and the valve seat connecting pipe is interconnected with the disassembly assembly. A mounting plate B is fixedly connected to the top of the outer side of the disassembly assembly, and a mounting plate A is fixedly connected to the bottom of the outer side of the valve seat connecting pipe. Threaded holes are opened on the top of both the inner and outer sides of the mounting plate B. An oil inlet is connected to one side of the threaded hole and extends to the outside of the mounting plate B. A threaded rod is inserted into one side of the top of the mounting plate A, and the threaded rod penetrates the interior of the mounting plate A. The threaded rod and the threaded hole mesh with each other.
[0010] Furthermore, a sealing groove A is provided at the middle position of the bottom of the mounting plate A and the middle position of the top of the mounting plate B. A sealing air pad is provided inside the sealing groove A. A sealing groove B is provided on the inner side of the bottom of the mounting plate A and the inner side of the top of the mounting plate B. A sealing ring is provided on the inner side of the sealing groove B.
[0011] Furthermore, the mounting plate A has through holes evenly distributed inside, and the through holes are adapted to the threaded rod.
[0012] Furthermore, a base is fixedly connected to the middle position of the bottom of the ball valve body, and an anti-slip pad is provided on the bottom of the base.
[0013] The beneficial effects of the present invention are that it is equipped with a disassembly and assembly component, which allows the main body of the ball valve to be disassembled and assembled, making it easier for operators to disassemble and assemble the main body of the ball valve, thus making it more convenient for operators to maintain the valve. In addition, it can also seal the connection points to prevent water leakage, thereby improving the practicality of the device. Attached Figure Description
[0014] Figure 1 This is a schematic front sectional view of an embodiment of the present invention;
[0015] Figure 2 This is a front view schematic diagram of an embodiment of the present invention;
[0016] Figure 3 Embodiments of the present invention Figure 1 An enlarged schematic diagram of the structure at point A.
[0017] In the diagram: 1. Ball valve body; 10. Base; 11. External thread; 12. Connection port; 13. Connecting pipe; 14. Internal thread; 2. Assembly / disassembly assembly; 20. Valve seat connecting pipe; 21. Valve seat; 22. Sealing ring; 23. Sealing gasket; 24. Threaded rod; 25. Mounting plate A; 26. Mounting plate B; 27. Oil inlet; 28. Threaded hole; 29. Sealing groove A; 210. Sealing groove B. Detailed Implementation
[0018] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.
[0019] Figure 1 This is a front sectional view of an embodiment of the present invention. Figure 2This is a front view schematic diagram of an embodiment of the present invention and Figure 3 Embodiments of the present invention Figure 1 An enlarged schematic diagram of the structure at point A.
[0020] Reference Figures 1 to 3 As shown, the present invention provides a combined ball valve with a detachable valve seat, comprising: a ball valve body 1 and a disassembly assembly 2; the ball valve body 1 has symmetrically connected connection ports 12 on both sides, and the connection ports 12 are interconnected with the interior of the ball valve body 1; the disassembly assembly 2 is installed at the middle position of the top of the ball valve body 1, and the disassembly assembly 2 is interconnected with the interior of the ball valve body 1.
[0021] In this embodiment, an internal thread 14 is provided on the inner side of the connection port 12, a connecting tube 13 is inserted into the inner side of the connection port 12, and an external thread 11 is provided on the outer side of the connecting tube 13 near the connecting tube 13, and the external thread 11 and the internal thread 14 mesh with each other.
[0022] In a preferred embodiment, the connecting pipe 13 can be installed by the mutual meshing of the external thread 11 and the internal thread 14 during use, which makes it easier for operators to disassemble and assemble the connecting pipe 13, and thus makes it more convenient for operators to carry out maintenance.
[0023] In this embodiment, a valve seat 21 is provided directly above the disassembly assembly 2. A valve seat connecting pipe 20 is connected to the bottom of the valve seat 21, and the valve seat connecting pipe 20 is interconnected with the disassembly assembly 2. A mounting plate B26 is fixedly connected to the top of the outer side of the disassembly assembly 2, and a mounting plate A25 is fixedly connected to the bottom of the outer side of the valve seat connecting pipe 20. Threaded holes 28 are provided on the top of both the inner and outer sides of the mounting plate B26. An oil inlet 27 is connected to one side of the threaded hole 28, and the oil inlet 27 extends to the outside of the mounting plate B26. A threaded rod 24 is inserted into one side of the top of the mounting plate A25, and the threaded rod 24 penetrates the interior of the mounting plate A25. The threaded rod 24 and the threaded hole 28 mesh with each other.
[0024] In a preferred embodiment, during use, the threaded rod 24 is rotated to turn it out of the threaded hole 28, thereby releasing the fixation on the valve seat connecting pipe 20. Then, the valve seat 21 is removed. When the threaded rod 24 becomes stuck, lubricating oil can be injected through the oil inlet 27 to facilitate disassembly and assembly by the operator.
[0025] In this embodiment, a sealing groove A29 is provided at the middle position of the bottom of the mounting plate A25 and the middle position of the top of the mounting plate B26. A sealing gasket 23 is provided inside the sealing groove A29. A sealing groove B210 is provided on the inner side of the bottom of the mounting plate A25 and the inner side of the top of the mounting plate B26. A sealing ring 22 is provided on the inner side of the sealing groove B210.
[0026] In a preferred embodiment, the sealing gasket 23 and sealing ring 22 can be used to seal the connection during use, preventing water leakage at the connection and thus improving the practicality of the device.
[0027] In this embodiment, the mounting plate A25 has through holes evenly distributed inside, and the through holes are adapted to the threaded rod 24.
[0028] In a preferred embodiment, the threaded rod 24 can be installed using the through hole during use, making it more convenient to fix the threaded rod 24.
[0029] In this embodiment, a base 10 is fixedly connected to the middle position of the bottom of the ball valve body 1, and an anti-slip pad is provided on the bottom of the base 10.
[0030] In a preferred embodiment, the device can be placed on the base 10 during use, thereby improving the stability of the device placement.
[0031] This invention effectively solves the problems of existing devices, most of which cannot disassemble the main body of the ball valve, making it inconvenient for operators to assemble and disassemble the main body of the ball valve, thus making it inconvenient for operators to maintain the valve, and also failing to seal the connection points, which may lead to water leakage and reduce the practicality of the device. This invention is equipped with a disassembly and assembly component, which can be used to disassemble and assemble the main body of the ball valve, making it easier for operators to assemble and disassemble the valve, thus making it more convenient for operators to maintain the valve, and can also seal the connection points to prevent water leakage, thereby improving the practicality of the device.
Claims
1. A combined ball valve with removable seat, characterized in that, Include: Ball valve body (1) and dismounting assembly (2), the middle position of the bottom of the ball valve body (1) is fixedly connected with the base (10), and the bottom of the base (10) is provided with an antiskid pad, the two sides of the ball valve body (1) are symmetrically connected with the connecting port (12), and the connecting port (12) and the inside of the ball valve body (1) are interconnected;Dismounting assembly (2) is installed at the middle position of the top of the ball valve body (1), and the dismounting assembly (2) and the inside of the ball valve body (1) are interconnected, the inner side of the connecting port (12) is provided with an internal thread (14), the connecting pipe (13) is inserted into the inner side of the connecting port (12), the outer side of the connecting pipe (13) is provided with an external thread (11) near one side of the connecting pipe (13), and the external thread (11) and the internal thread (14) are engaged, the valve seat (21) is arranged above the dismounting assembly (2), the bottom of the valve seat (21) is connected with the valve seat connecting pipe (20), and the valve seat connecting pipe (20) and the dismounting assembly (2) are interconnected, the top of the outer side of the dismounting assembly (2) is fixedly connected with the mounting plate B (26), the bottom of the outer side of the valve seat connecting pipe (20) is fixedly connected with the mounting plate A (25), the top of the inner side of the mounting plate B (26) is provided with a threaded hole (28), one side of the threaded hole (28) is communicated with the oil inlet (27), and the oil inlet (27) extends to the outside of the mounting plate B (26), the mounting plate A (25) is provided with a threaded rod (24) on one side of the top, and the threaded rod (24) penetrates the inside of the mounting plate A (25), the threaded rod (24) and the threaded hole (28) are engaged, the middle position of the bottom of the mounting plate A (25) and the middle position of the top of the mounting plate B (26) are provided with sealing grooves A (29), the inside of the sealing groove A (29) is provided with a sealing air cushion (23), the inside of the bottom of the mounting plate A (25) and the inside of the top of the mounting plate B (26) are provided with sealing grooves B (210), and the inside of the sealing groove B (210) is provided with a sealing ring (22).
2. The combination ball valve with removable seat according to claim 1, wherein The inside of the mounting plate A (25) is uniformly provided with a through hole, and the through hole and the threaded rod (24) are matched with each other.
Citation Information
Patent Citations
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CN215371066U
Combined ball valve with detachable valve seat
CN217898861U