Integrated filter welded ball valve

Abstract

This utility model relates to the field of ball valves, specifically to an integrated filter welded ball valve, comprising a valve body, an inner cavity of which has a rotatable ball, a connecting member fixedly connected to the upper part of the ball, a sealing cap fixedly installed on the top of the valve body, the top of the connecting member passing through the valve body and the sealing cap sequentially and extending to the outside of the sealing cap, a connecting ring fixedly connected to one side of the inner cavity of the valve body, and a detachable filter screen being snapped into the inside of the connecting ring. This utility model, through the snap-fit ​​cooperation of a locking block and a locking groove, combined with a secondary fixing structure of a spring and a locking ball, enables quick installation and removal of the filter screen. During replacement, simply pulling outward with a pull rod disengages the locking block from the locking groove, eliminating the need to disassemble the valve body, thus improving maintenance safety and efficiency.

Description

Technical Field

[0001] This utility model relates to the field of ball valves, specifically to an integrated filter welded ball valve. Background Technology

[0002] A ball valve is a valve in which the opening and closing element (ball) is driven by the valve stem and rotates around the valve's axis. It can also be used for fluid regulation and control. Hard-seal V-type ball valves, with their V-shaped ball core and hard alloy-faced metal seat, possess strong shearing force, making them particularly suitable for media containing fibers or small solid particles. Multi-port ball valves not only flexibly control the merging, splitting, and switching of flow directions in pipelines, but also allow the closure of any channel while connecting two other channels.

[0003] A search revealed a utility model patent (or invention patent) with publication number CN214743484U, which specifically discloses an integrated fully welded ball valve. The valve includes a body with flanges at both ends, threaded holes with internal threads, a top cover fixedly mounted on the top, a bottom shell fixedly mounted on the bottom, a protective column fixedly mounted on the top of the top cover, an oil inlet on the right end of the protective column, a rotating rod penetrating the top of the protective column, a fixing block fixedly mounted on the top of the rotating rod, and a handle fixedly mounted on the front end of the fixing block. A sealing device is installed to seal the connection between the pipe and the inside of the body by setting a fixing ring inside the body, preventing water leakage, improving water delivery efficiency, allowing continuous operation, and extending the device's lifespan. A filter screen fixedly mounted in the ball tube by a clamping block filters impurities in the water, improving the quality of the delivered water. Simultaneously, lubricating oil is injected into the cavity through the oil inlet to lubricate the rotating rod, making the rotation of the ball tube quick and easy. The aforementioned patent achieves filtration solely by fixing the filter screen with a clip inside the tube. The filter screen is rigidly fixed to the tube, and its installation position is inside the tube. When replacing it, it is necessary to first disassemble the top cover, rotating rod, and other components. The operating space is small, making it inconvenient to quickly remove the filter screen.

[0004] Therefore, it is necessary to invent an integrated filter welded ball valve to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide an integrated filter welding ball valve, which uses springs and ball clamps as fixing components to achieve quick disassembly and assembly of the filter screen, thereby solving the problem of inconvenient quick replacement of the filter screen in the prior art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an integrated filter welded ball valve, comprising a valve body, a rotatable ball in the inner cavity of the valve body, a connector fixedly connected to the upper part of the ball, a sealing cover fixedly installed on the top of the valve body, the top of the connector passing through the valve body and the sealing cover sequentially and extending to the outside of the sealing cover, a connecting ring fixedly connected to one side of the inner cavity of the valve body, and a detachable filter screen snapped into the inside of the connecting ring.

[0007] Preferably, the upper and lower parts of the filter screen are fixedly connected with locking blocks, and the upper and lower parts of the inner ring of the connecting ring are provided with locking slots that cooperate with the locking blocks.

[0008] Preferably, a sliding block is slidably connected to the inner cavity of the slot, a spring is fixedly installed between one side of the sliding block and the inner cavity of the slot, and a retaining ball is fixedly installed on the other side of the sliding block.

[0009] Preferably, a rotating rod is fixedly connected to the top of the connector, a rotating handle is fixedly connected to the top of the rotating rod, a sealing ring is provided between the surface of the rotating rod and the valve body, and a rotating seat that cooperates with the ball is fixedly installed at the bottom of the inner cavity of the valve body.

[0010] Preferably, flanges are fixedly installed on both sides of the valve body, and the flanges have multiple mounting holes arranged in a ring array.

[0011] Preferably, the filter screen is disc-shaped, a pull rod is fixedly connected to one side of the filter screen, and a sealing gasket is provided on the outer periphery of the filter screen.

[0012] The technical effects and advantages provided by this utility model in the above technical solution are as follows: Through the interlocking action of the locking block and the slot, combined with the secondary fixing structure of the spring and the ball, the filter screen can be quickly disassembled and installed. When replacing it, simply pull the lever outward to disengage the locking block from the slot, without disassembling the valve body, thus improving maintenance safety and efficiency. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a cross-sectional structural diagram of the valve body of this utility model; Figure 3 This is a cross-sectional structural diagram of the valve body of this utility model on the right side. Figure 4 This is a schematic diagram of the connection structure between the connecting ring and the filter screen of this utility model; Figure 5 This is a schematic diagram of the structure of the filter screen of this utility model; Figure 6 This is a schematic diagram of the connecting ring of this utility model; Figure 7 This utility model Figure 6 A magnified schematic diagram of the structure at point A in the middle.

[0015] Explanation of reference numerals in the attached figures: 1. Valve body; 2. Ball; 3. Connecting parts; 4. Sealing cap; 5. Connecting ring; 6. Filter screen; 7. Locking block; 8. Sealing gasket; 9. Locking groove; 10. Sliding block; 11. Spring; 12. Ball retainer; 13. Rotating rod; 14. Rotating handle; 15. Rotating seat; 16. Flange; 17. Mounting hole; 18. Tie rod; 19. Sealing ring. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0017] This utility model provides, for example Figure 1-7 The integrated filter welded ball valve shown includes a valve body 1, a rotatable ball 2 in the inner cavity of the valve body 1, a connector 3 fixedly connected to the upper part of the ball 2, a sealing cover 4 fixedly installed on the top of the valve body 1, the top of the connector 3 passing through the valve body 1 and the sealing cover 4 in sequence and extending to the outside of the sealing cover 4, a connecting ring 5 fixedly connected to one side of the inner cavity of the valve body 1, and a detachable filter screen 6 snapped into the inside of the connecting ring 5; The valve body 1, ball 2, connecting piece 3, sealing cover 4, rotating rod 13, rotating handle 14, and rotating seat 15 all adopt existing technologies and constitute the basic components of the valve. The inner diameter of the connecting ring 5 is compatible with the filter screen 6; The upper and lower parts of the filter screen 6 are fixedly connected with the locking blocks 7, and the upper and lower parts of the inner ring of the connecting ring 5 are provided with the locking grooves 9 that cooperate with the locking blocks 7. Slot 9 is T-shaped; A sliding block 10 is slidably connected to the inner cavity of the slot 9. A spring 11 is fixedly installed between one side of the sliding block 10 and the inner cavity of the slot 9, and a ball 12 is fixedly installed on the other side of the sliding block 10. A rotating rod 13 is fixedly connected to the top of the connector 3, and a rotating handle 14 is fixedly connected to the top of the rotating rod 13. A sealing ring 20 is provided between the surface of the rotating rod 13 and the valve body 1. A rotating seat 15 that cooperates with the ball 2 is fixedly installed at the bottom of the inner cavity of the valve body 1. Flanges 16 are fixedly installed on both sides of the valve body 1, and multiple mounting holes 17 arranged in a ring array are opened on the flanges 16. During installation, align the flanges 16 on both sides of the valve body 1 with the external pipe flanges, insert bolts through the mounting holes 17 and tighten them to complete the pipeline connection; The filter screen 6 is disc-shaped, and a pull rod 18 is fixedly connected to one side of the filter screen 6. A sealing gasket 8 is provided on the outer periphery of the filter screen 6. The sealing gasket 8 is tightly attached to the inner wall of the connecting ring 5 to prevent unfiltered fluid from bypassing.

[0018] The working principle of this practical application is as follows: In the initial state, the ball 2 is in the closed position, and the internal flow channel of the ball 2 is perpendicular to the flow channel of the valve body 1, so the fluid cannot pass through. At this time, the filter screen 6 is fixed by the locking block 7 and the locking groove 9 of the connecting ring 5. The locking ball 12 is locked in the groove on the surface of the locking block 7 under the elastic force of the spring 11, ensuring that the filter screen 6 is stably installed. The sealing gasket 8 is tightly attached to the inner wall of the connecting ring 5 to prevent unfiltered fluid from bypassing. When fluid needs to be circulated, the operator holds the rotating handle 14 and rotates it 90° clockwise. The rotating handle 14 drives the ball 2 to rotate synchronously around the rotating seat 15 through the rotating rod 13 and the connecting piece 3 until the flow channel of the ball 2 is completely aligned with the flow channel of the valve body 1. The fluid flows in from the inlet end of the valve body 1 and first flows through the filter screen 6. Impurities in the fluid are intercepted by the filter screen, and the filtered clean fluid flows out from the outlet end of the valve body 1 through the flow channel of the ball 2, realizing the synchronous operation of fluid circulation and filtration. When a large amount of impurities accumulate on the surface of the filter screen 6, causing a significant decrease in pipeline flow, the filter screen 6 is rotated counterclockwise by the pull rod 18. The locking block 7 squeezes the locking ball 12, pushing the sliding block 10 to compress the spring 11. When the locking block is completely disengaged from the slot 9, the filter screen 6 can be pulled out. When replacing the filter screen 6, align the locking block 7 of the filter screen with the slot 9 of the connecting ring and push the filter screen 6 inward until the locking block 7 is fully inserted into the slot 9. At this time, the spring 11 returns to its original position and pushes the locking ball 12 to lock the locking block 7, thus completing the fixing of the filter screen 6.

[0019] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An integrated filter welded ball valve, comprising a valve body (1), characterized in that: The valve body (1) has a rotatable ball (2) in its inner cavity. A connector (3) is fixedly connected to the upper part of the ball (2). A sealing cover (4) is fixedly installed on the top of the valve body (1). The top of the connector (3) passes through the valve body (1) and the sealing cover (4) in sequence and extends to the outside of the sealing cover (4). A connecting ring (5) is fixedly connected to one side of the inner cavity of the valve body (1). A detachable filter screen (6) is snapped into the inside of the connecting ring (5). A locking block (7) is fixedly connected to the upper and lower parts of the filter screen (6). A slot (9) is opened on the upper and lower parts of the inner ring of the connecting ring (5) to cooperate with the locking block (7). A sliding block (10) is slidably connected to the inner cavity of the slot (9). A spring (11) is fixedly installed between one side of the sliding block (10) and the inner cavity of the slot (9). A locking ball (12) is fixedly installed on the other side of the sliding block (10).

2. The integrated filter welded ball valve according to claim 1, characterized in that: A rotating rod (13) is fixedly connected to the top of the connector (3), and a rotating handle (14) is fixedly connected to the top of the rotating rod (13). A sealing ring (19) is provided between the surface of the rotating rod (13) and the valve body (1). A rotating seat (15) that cooperates with the ball (2) is fixedly installed at the bottom of the inner cavity of the valve body (1).

3. The integrated filter welded ball valve according to claim 1, characterized in that: Flanges (16) are fixedly installed on both sides of the valve body (1), and multiple mounting holes (17) arranged in a ring array are provided on the flanges (16).

4. The integrated filter welded ball valve according to claim 1, characterized in that: The filter screen (6) is disc-shaped, and a pull rod (18) is fixedly connected to one side of the filter screen (6). A sealing gasket (8) is provided on the outer periphery of the filter screen (6).

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