A high-performance leak-proof eccentric hemispherical valve

Abstract

This utility model relates to the field of eccentric hemispherical valve technology and discloses a high-performance leak-proof eccentric hemispherical valve, including a valve body and a rotor. A hemispherical part is rotatably arranged inside the valve body. A removable self-compensating sealing assembly is provided between the valve body and the hemispherical part. A positioning assembly is provided between the rotor and the valve body. The removable self-compensating sealing assembly includes a mounting plate, a mounting ring, and multiple connecting blocks. The multiple connecting blocks are respectively fixedly connected to the hemispherical part and the valve body. A movable groove is formed in the middle of one side of the mounting ring, and multiple compensating springs are fixedly connected to the inner wall of one side of the movable groove. In this utility model, by providing a removable self-compensating sealing assembly, the gap can be automatically compensated after the sealing ring wears. Furthermore, the replacement of the sealing ring can be completed with simple operation. By providing a positioning assembly, accidental rotation of the rotor can be effectively prevented, thereby ensuring the sealing performance and stability of the valve.

Description

Technical Field

[0001] This utility model relates to the field of eccentric hemispherical valve technology, and in particular to a high-performance leak-proof eccentric hemispherical valve. Background Technology

[0002] An eccentric ball valve is a control valve commonly used in industrial piping systems. It works by rotating a hemisphere to change the flow cross-section of the fluid, thereby regulating or shutting off the flow. Unlike traditional ball valves, eccentric ball valves effectively reduce opening and closing torque, improve fluid flow capacity, and offer higher sealing performance and a longer service life.

[0003] Although eccentric ball valves have excellent performance, existing eccentric ball valves still have some shortcomings, especially after long-term use, their sealing performance is prone to decline, particularly the wear of the sealing ring. Over time, the sealing ring gradually thins, leading to a decrease in sealing effect and causing leakage problems. Most valves rely on regular maintenance or replacement of the sealing ring to ensure sealing performance, but this process is often complicated and the replacement of the sealing ring is not convenient. Therefore, those skilled in the art provide a high-performance leak-proof eccentric ball valve to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a high-performance leak-proof eccentric hemispherical valve. By incorporating a removable self-compensating sealing component, it can automatically compensate for gaps after the sealing ring wears, maintain sealing performance, extend valve service life, and the sealing ring can be easily replaced with simple operations, improving maintenance convenience.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-performance leak-proof eccentric hemispherical valve, comprising a valve body and a rotary wheel, wherein a hemispherical part is rotatably arranged inside the valve body, a detachable self-compensating sealing assembly is provided between the valve body and the hemispherical part, and a positioning assembly is provided between the rotary wheel and the valve body;

[0006] The detachable self-compensating sealing assembly includes a mounting plate, a mounting ring, and multiple connecting blocks. The multiple connecting blocks are respectively fixedly connected to the hemisphere and the valve body. A movable groove is provided in the middle of one side of the mounting ring. Multiple compensating springs are fixedly connected to the inner wall of one side of the movable groove. A movable ring is fixedly connected to one end of each of the multiple compensating springs. A sealing ring is provided on one side of the movable ring and the outer wall of the mounting plate. Connecting grooves are provided at the top and bottom of one side of the mounting plate and the mounting ring. A spring-loaded groove is provided on the inner wall of one end of each of the multiple connecting grooves. A fixing block is movably provided inside each of the multiple spring-loaded grooves. A fixing slot is provided at one end of each of the multiple connecting blocks. A return spring is fixedly connected between each of the multiple fixing blocks and the inner wall of the opposite end of the corresponding spring-loaded groove.

[0007] The above technical solution, by incorporating a removable self-compensating sealing component, can automatically compensate for gaps after the sealing ring wears, maintaining sealing performance and extending valve service life. When the sealing ring wears, the compensation spring will cause the sealing ring to move towards another sealing ring, ensuring a tight fit and maintaining good contact between the sealing surfaces. This avoids leakage caused by wear. Furthermore, when disassembling and replacing the sealing ring, the user only needs to disconnect one end of the valve body from the pipeline and then easily remove the fixing block through a simple operation to take out the sealing component for replacement, improving maintenance convenience.

[0008] Furthermore, the positioning component includes a positioning seat and a positioning disc. The positioning seat is fixedly connected to the valve body, and the positioning disc is fixedly sleeved on the rotating wheel. The rotating wheel is rotatably mounted on the valve body. A reset groove is provided at the front end of the positioning seat. A movable rod is movably arranged inside the reset groove. A positioning block is fixedly connected to the front end of the movable rod. A positioning groove is provided on the positioning disc. A return spring is movably sleeved on the outer wall of the movable rod.

[0009] The above technical solution, by incorporating a positioning component and using a reset spring to engage the positioning block in the positioning groove on the positioning disc, effectively prevents the rotary wheel from rotating accidentally, thereby ensuring the valve's sealing and stability. When the rotary wheel needs to be used, the restriction can be easily lifted with a simple operation, making it convenient for operators.

[0010] Furthermore, each of the multiple rebound grooves has a movable groove on one side of its inner wall, and each of the multiple movable grooves has a movable block movably disposed inside, and each of the multiple movable blocks is fixedly connected to a corresponding fixed block.

[0011] The above technical solution, by providing a movable block, allows operators to easily move the corresponding fixed block by pulling the movable block.

[0012] Furthermore, one end of the movable rod passes through the positioning seat and is rotatably connected to a rotating pull head. One end of the rotating pull head is fixedly connected to a stop block at both the top and bottom. The rear end of the positioning seat is provided with a storage slot at both the top and bottom. Both of the stop blocks are movably set in the corresponding storage slots.

[0013] By using the above technical solution, by pulling the rotating head and causing the stop block to be pulled out, and then rotating the rotating head to make the stop block deviate from the receiving groove, the positioning block can be stably kept detached from the positioning groove after the rotating head is released, thereby releasing the restriction of the rotating wheel.

[0014] Furthermore, the two ends of the return spring are respectively fixedly connected to the inner wall of the opposite end of the positioning block and the reset groove;

[0015] Through the above technical solution, by effectively limiting the return spring, the positioning block can be effectively reset and ejected via the provided return spring.

[0016] Furthermore, the plurality of connecting blocks are engaged in the corresponding connecting slots, and the plurality of fixing blocks are engaged in the corresponding fixing slots;

[0017] By using the above technical solution, the sealing ring can be installed and fixed by engaging the connecting block in the corresponding connecting groove and engaging the fixing block in the corresponding fixing groove.

[0018] Furthermore, the positioning block is engaged with the positioning slot;

[0019] By using the above technical solution, the positioning block and the positioning groove are engaged and set to position and limit the rotating wheel, thereby effectively preventing its accidental rotation.

[0020] Furthermore, the movable ring and the multiple compensating springs are all movably arranged within the movable slot;

[0021] With the above technical solution, by arranging the movable ring and multiple compensating springs within the movable groove, when the two sealing rings wear out after a period of use, the compensating springs, which were originally in a contracted state, can cause the movable ring to move with the corresponding sealing ring toward the other sealing ring and press it tightly.

[0022] This utility model has the following beneficial effects:

[0023] 1. This utility model proposes a high-performance leak-proof eccentric hemispherical valve, which features a removable self-compensating sealing component. This component automatically compensates for gaps after the sealing ring wears, maintaining sealing performance and extending the valve's service life. When the sealing ring wears, the compensation spring moves the sealing ring towards another sealing ring for a tight fit, ensuring good contact between the sealing surfaces. This prevents leakage caused by wear. Furthermore, when disassembling and replacing the sealing ring, the user only needs to disconnect the valve body from the pipeline and pull the moving block to easily release the restriction of the fixing block, allowing the sealing component to be removed for replacement, thus improving maintenance convenience.

[0024] 2. The present invention proposes a high-performance leak-proof eccentric hemispherical valve, which is equipped with a positioning component. The positioning block is locked into the positioning groove on the positioning plate by a reset spring, which effectively prevents the wheel from rotating accidentally, thereby ensuring the sealing and stability of the valve. When the wheel needs to be used, the restriction can be released with a simple operation, which is convenient for operators. Attached Figure Description

[0025] Figure 1 This is an isometric schematic diagram of a high-performance leak-proof eccentric hemispherical valve proposed in this utility model;

[0026] Figure 2 This is a front sectional view of a high-performance leak-proof eccentric hemispherical valve proposed in this utility model;

[0027] Figure 3 for Figure 2 Enlarged structural diagram at point A;

[0028] Figure 4 This is a partial side sectional view of a high-performance leak-proof eccentric hemispherical valve proposed in this utility model.

[0029] Figure 5 for Figure 4 Enlarged structural diagram at point B;

[0030] Figure 6 This is a top view schematic diagram of a high-performance leak-proof eccentric hemispherical valve proposed in this utility model.

[0031] Legend:

[0032] 1. Valve body; 2. Hemispherical body; 3. Easy-to-remove self-compensating sealing assembly; 4. Rotary wheel; 5. Positioning assembly; 6. Mounting plate; 7. Mounting ring; 8. Connecting block; 9. Sealing ring; 10. Connecting groove; 11. Spring groove; 12. Fixing block; 13. Fixing groove; 14. Return spring; 15. Moving block; 16. Moving groove; 17. Movable groove; 18. Compensating spring; 19. Movable ring; 20. Positioning seat; 21. Positioning plate; 22. Return groove; 23. Movable rod; 24. Positioning block; 25. Positioning groove; 26. Return spring; 27. Rotating pull head; 28. Abutment block; 29. ​​Storage groove. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0034] Reference Figure 1-3 The present invention provides a specific embodiment of a high-performance leak-proof eccentric hemispherical valve, comprising a valve body 1 and a rotary wheel 4, wherein a hemispherical body 2 is rotatably arranged inside the valve body 1, a removable self-compensating sealing assembly 3 is provided between the valve body 1 and the hemispherical body 2, and a positioning assembly 5 is provided between the rotary wheel 4 and the valve body 1.

[0035] The detachable self-compensating sealing assembly 3 includes a mounting plate 6, a mounting ring 7, and multiple connecting blocks 8. The connecting blocks 8 are respectively fixedly connected to the hemisphere 2 and the valve body 1. A movable groove 17 is formed in the middle of one side of the mounting ring 7. Multiple compensating springs 18 are fixedly connected to the inner wall of one side of the movable groove 17. A movable ring 19 is fixedly connected to one end of each compensating spring 18. The movable ring 19 and the multiple compensating springs 18 are all movable within the movable groove 17. By allowing the movable ring 19 and the multiple compensating springs 18 to move within the movable groove 17, when the two sealing rings 9 wear out after a period of use, the original... In its contracted state, the compensating spring 18 allows the movable ring 19, along with its corresponding sealing ring 9, to move towards and adhere to another sealing ring 9. Sealing rings 9 are provided on one side of the movable ring 19 and on the outer wall of the mounting plate 6. Connecting grooves 10 are provided on the upper and lower sides of both the mounting plate 6 and the mounting ring 7. A spring-loaded groove 11 is provided on the inner wall of one end of each connecting groove 10. A fixing block 12 is movably disposed inside each spring-loaded groove 11. A fixing slot 13 is provided on one end of each connecting block 8. Each connecting block 8 engages within its corresponding connecting groove 10, and each fixing block 12 engages within its corresponding fixing slot 13. The sealing ring 9 can be installed and fixed by engaging the connecting block 8 in the corresponding connecting groove 10 and engaging the fixing block 12 in the corresponding fixing groove 13. Each of the multiple fixing blocks 12 and the inner wall of the corresponding spring groove 11 is fixedly connected to a return spring 14. With the easily detachable self-compensating sealing assembly 3, the gap can be automatically compensated after the sealing ring 9 wears, maintaining sealing performance and extending the valve's service life. When the sealing ring 9 wears, the compensation spring 18 will cause the sealing ring 9 to move towards another sealing ring 9, ensuring a tight fit and maintaining good contact between the sealing surfaces. This design avoids leakage caused by wear. When disassembling and replacing the sealing ring 9, the user only needs to disconnect the valve body 1 from the pipeline and then easily remove the fixed block 12 to replace the sealing component, thus improving maintenance convenience. Each inner wall of one side of the multiple rebound grooves 11 is provided with a movable groove 16, and each movable groove 16 is movably provided with a movable block 15. Each movable block 15 is fixedly connected to the corresponding fixed block 12. By providing the movable block 15, it is convenient for the operator to move the corresponding fixed block 12 by pulling the movable block 15.

[0036] Reference Figure 1 and Figure 4-6The positioning component 5 includes a positioning seat 20 and a positioning disc 21. The positioning seat 20 is fixedly connected to the valve body 1, and the positioning disc 21 is fixedly sleeved on the rotating wheel 4. The rotating wheel 4 is rotatably mounted on the valve body 1. A reset groove 22 is provided at the front end of the positioning seat 20. A movable rod 23 is movably arranged inside the reset groove 22. A positioning block 24 is fixedly connected to the front end of the movable rod 23. A positioning groove 25 is provided on the positioning disc 21. The positioning block 24 is engaged with the positioning groove 25. By engaging the positioning block 24 with the positioning groove 25, the rotating wheel 4 can be positioned and restricted, thereby effectively preventing its accidental rotation. A return spring 26 is movably sleeved on the outer wall of the movable rod 23. The two ends of the return spring 26 are respectively fixedly connected to the inner walls of the opposite ends of the positioning block 24 and the reset groove 22. By effectively restricting the return spring 26, the positioning block 24 can be effectively reset and ejected via the provided return spring 26. By providing a positioning component 5, the positioning block 24 is engaged in the positioning groove 25 on the positioning plate 21 via the return spring 14, effectively preventing the wheel 4 from rotating accidentally, thus ensuring the sealing and stability of the valve. When the wheel 4 needs to be used, the restriction can be removed with a simple operation, which is convenient for the operator. One end of the movable rod 23 passes through the positioning seat 20 and is rotatably connected to the rotating pull head 27. The upper and lower ends of the rotating pull head 27 are fixedly connected to the abutment blocks 28. The upper and lower ends of the rear end of the positioning seat 20 are provided with storage grooves 29. The two abutment blocks 28 are movably set in the corresponding storage grooves 29. By pulling the rotating pull head 27, the abutment blocks 28 are pulled out. Then, by rotating the rotating pull head 27, the abutment blocks 28 are displaced from the storage grooves 29. After releasing the rotating pull head 27, the positioning block 24 can be stably kept in the disengaged state from the positioning groove 25, thus releasing the restriction of the wheel 4.

[0037] Working principle: During use, the self-compensating sealing assembly 3, which is designed for easy disassembly, utilizes a compensating spring 18. When the two sealing rings 9 wear down after a period of use, the spring 18, initially in a contracted state, moves the corresponding sealing ring 9 towards the other sealing ring 9, thus compensating for the gap between the two sealing rings 9 after wear and thinning. This ensures good contact between the sealing surfaces, preventing leakage caused by wear, maintaining sealing performance, and extending service life. Furthermore, when this part is severely damaged and affects use, the valve body 1 can be disconnected from the corresponding pipeline connection. Then, by pulling the corresponding moving block 15, the fixing block 12 moves and disengages from the fixing slot 13, releasing the fixing restriction of the corresponding mounting ring 7 and mounting plate 6, allowing for removal. For subsequent replacement and installation, simply insert the connecting block 8 into the mounting ring 7 and... The fixing block 12 is ejected and locked into the fixing slot 13 by the reset spring 14 in the connecting groove 10 on the mounting plate 6, thus completing the installation and fixing. In addition, for the use of the rotary wheel 4 on the valve body 1, in order to prevent the hemisphere 2 from rotating and damaging the sealing due to accidental contact with the rotary wheel 4, the positioning block 24 can be locked into the positioning slot 25 on the positioning plate 21 by the return spring 26 after the rotary wheel 4 is rotated, thereby positioning and restricting the rotary wheel 4, thus effectively preventing its accidental rotation. When the rotary wheel 4 needs to be used, it is only necessary to pull the rotating pull head 27 to pull out the abutment block 28. Then, rotate the rotating pull head 27 to make the abutment block 28 deviate from the receiving slot 29. After releasing the rotating pull head 27, the positioning block 24 can be stably kept in the disengaged state from the positioning slot 25, thereby releasing the restriction of the rotary wheel 4 for the operator to use.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A high performance leak-proof eccentric half ball valve comprising a valve body (1) and a rotating wheel (4), characterized in that: The valve body (1) is provided with a hemisphere (2) inside for rotation, and a detachable self-compensating sealing assembly (3) is provided between the valve body (1) and the hemisphere (2). A positioning assembly (5) is provided between the wheel (4) and the valve body (1). The detachable self-compensating sealing assembly (3) includes a mounting plate (6), a mounting ring (7), and multiple connecting blocks (8). The multiple connecting blocks (8) are respectively fixedly connected to the hemisphere (2) and the valve body (1). A movable groove (17) is provided in the middle of one side of the mounting ring (7). Multiple compensating springs (18) are fixedly connected to the inner wall of one side of the movable groove (17). A movable ring (19) is fixedly connected to one end of the multiple compensating springs (18). One side of the movable ring (19) and the outer side of the mounting plate (6) are connected to the outer side of the mounting plate (6). Each wall is provided with a sealing ring (9). The mounting plate (6) and the mounting ring (7) are provided with a connecting groove (10) on one side near the top and bottom. Each of the multiple connecting grooves (10) has a spring groove (11) on one end of its inner wall. Each of the multiple spring grooves (11) has a fixed block (12) movably disposed inside its inner wall. Each of the multiple connecting blocks (8) has a fixed groove (13) on one end of its inner wall. Each of the multiple fixed blocks (12) and the corresponding spring groove (11) has a return spring (14) fixedly connected between its inner wall and the opposite end of its inner wall.

2. A high performance leak tight eccentric half ball valve as claimed in claim 1 wherein: The positioning component (5) includes a positioning seat (20) and a positioning disc (21). The positioning seat (20) is fixedly connected to the valve body (1), and the positioning disc (21) is fixedly sleeved on the rotating wheel (4). The rotating wheel (4) is rotatably mounted on the valve body (1). A reset groove (22) is provided at the front end of the positioning seat (20). A movable rod (23) is movably arranged inside the reset groove (22). A positioning block (24) is fixedly connected at the front end of the movable rod (23). A positioning groove (25) is provided on the positioning disc (21). A return spring (26) is movably sleeved on the outer wall of the movable rod (23).

3. The high performance leak tight eccentric half ball valve as claimed in claim 1, wherein: Each of the multiple spring grooves (11) has a movable groove (16) on one side of its inner wall. Each of the multiple movable grooves (16) has a movable block (15) movably disposed inside it. Each of the multiple movable blocks (15) is fixedly connected to a corresponding fixed block (12).

4. A high performance leak tight eccentric half ball valve as claimed in claim 2 wherein: One end of the movable rod (23) passes through the positioning seat (20) and is rotatably connected to the rotating pull head (27). One end of the rotating pull head (27) is fixedly connected to the upper and lower parts of each end. The rear end of the positioning seat (20) is provided with storage slots (29) at the upper and lower parts of each end. The two blocks (28) are movably set in the corresponding storage slots (29).

5. The high performance leak tight eccentric half ball valve as claimed in claim 2, wherein: The two ends of the return spring (26) are fixedly connected to the inner walls of the opposite ends of the positioning block (24) and the reset groove (22), respectively.

6. The high-performance leak-proof eccentric hemispherical valve according to claim 1, characterized in that: Multiple connecting blocks (8) are engaged in the corresponding connecting slots (10), and multiple fixing blocks (12) are engaged in the corresponding fixing slots (13).

7. The high performance leak tight eccentric half ball valve as claimed in claim 2 wherein: The positioning block (24) is engaged with the positioning groove (25).

8. The high performance leak tight eccentric half ball valve as claimed in claim 1 wherein: The movable ring (19) and multiple compensating springs (18) are all movably arranged within the movable slot (17).

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