Self-cleaning ball valve assembly with anti-blocking function

By designing self-cleaning function anti-blocking agitators and leak-proof plates in the ball valve assembly, the transmission system is used to realize automatic cleaning of foreign objects, which solves the problem of easy blockage of the ball valve, maintains the normal state of the water flow and improves the service life.

CN222543081UActive Publication Date: 2025-02-28WENZHOU SHIGONG VALVE CO LTD
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Patent Information

Application Number
CN202421363843.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-15
Publication Date
2025-02-28
Estimated Expiration
2034-06-15

AI Technical Summary

Technical Problem

Existing ball valve components are prone to clogging when liquid passes through, especially when a belt-shaped foreign object is wrapped inside the valve core, causing the water flow rate to drop or stop, and it needs to be cleaned before normal flow can be restored.

Method used

A self-cleaning ball valve assembly is designed, including the ball valve body, leakage-proof plate, transmission belt and anti-blocking agitator. The rotation of the leakage-proof plate and the anti-blocking agitator are driven by the rotary driving mechanism, and the anti-blocking agitator is used to work simultaneously with the leakage-proof plate by using the transmission wheel and the transmission belt to achieve agitating and cleaning of foreign matter inside the valve body.

Benefits of technology

It effectively prevents blockage inside the ball valve body. Through the automatic cleaning function when opening and closing the leakproof plate, the normal state of water flow is maintained, the possibility of foreign matter accumulation is reduced, and the service life of the ball valve is improved.

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Abstract

The self-cleaning ball valve assembly with the anti-blocking function comprises a ball valve body, a leakage-proof plate, a transmission belt and an anti-blocking stirring piece, a valve body operation opening and a ball valve element are arranged in the ball valve body, and the leakage-proof plate is arranged in the ball valve element. Through the arrangement of the rotary driving mechanism, the first transmission rod and the leakage-proof plate, the opening and closing actions of the leakage-proof plate can be controlled when the rotary driving mechanism drives the first transmission rod to rotate, and through the arrangement and matched use of the transmission wheel, the second transmission rod, the transmission belt, the shaft sleeve and the anti-blocking stirring piece, the leakage-proof plate can rotate, and meanwhile the leakage-proof plate can be prevented from being blocked. The telescopic rod is communicated with the anti-blocking stirring piece to rotate synchronously through the arrangement of the transmission wheel, the transmission belt and the shaft sleeve, and strip-shaped foreign matter blocked in the ball valve body can be stirred or pushed, so that the strip-shaped foreign matter is separated, and the possibility that the interior of the ball valve body is blocked by the strip-shaped foreign matter is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a self-cleaning ball valve component with an anti-blocking function. Background Art

[0002] The opening and closing part of the ball valve is a sphere with a hole, which rotates around an axis perpendicular to the channel to achieve the purpose of opening and closing the channel. The ball valve is mainly used to open and close pipelines and equipment media. It opens or closes the valve core by rotating the handle 90°.

[0003] The ball valve assembly in the prior art has certain disadvantages. When liquid passes through the ball valve, it is easy to cause the ball valve to be blocked, causing the water flow rate at the ball valve body to decrease or stop flowing, thereby affecting the normal water flow of the ball valve body. In particular, some strip-like foreign matter is entangled inside the ball valve core, causing the accumulation of more and more strip-like foreign matter, which will also cause blockage at the ball valve core. The blockage or strip-like foreign matter needs to be cleaned to ensure the normal water flow in the ball valve body, which is urgently needed. Utility Model Content

[0004] The utility model aims to provide a self-cleaning ball valve assembly with an anti-blocking function to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning ball valve assembly with anti-blocking function, comprising a ball valve body, a leak-proof plate, a transmission belt and an anti-blocking stirring member, the ball valve body comprising a valve body operating port and a ball valve core, the ball valve core is provided with a leak-proof plate, the middle of the leak-proof plate is connected to a first transmission rod, the top of the ball valve body is connected to a reinforcement frame, a cavity and a second active cavity, a rotary drive mechanism is installed on the top of the reinforcement frame, one end of the first transmission rod passes through the top of the reinforcement frame and is connected to the output end of the bottom of the rotary drive mechanism, the rotary drive mechanism can drive the leak-proof plate to rotate, and plays a role in controlling the opening and closing state of the ball valve core;

[0006] A second transmission rod is connected to one side of the cavity, and transmission wheels are connected to the ends of the first transmission rod and the second transmission rod. The two transmission wheels are connected by a transmission belt. The cooperation of the transmission belt and the transmission wheel can realize the simultaneous operation of the anti-leakage plate and the anti-blocking stirring member, so that when the anti-leakage plate rotates to adjust the opening and closing state of the ball valve core, the anti-blocking stirring member can clean the foreign matter in the valve body operation port;

[0007] The bottom of the second transmission rod is connected to a telescopic rod, and the outer sleeve of the telescopic rod is provided with a shaft sleeve. The setting of the shaft sleeve enables the second transmission rod to drive the connecting block, the assembly set, and the anti-blocking stirring member to rotate independently without hindering the subsequent shaft sleeve from jointly adjusting the telescopic movement of the telescopic rod;

[0008] The bottom of the telescopic rod is connected with a connecting block, the outer sleeve of the connecting block is provided with an assembly sleeve, both sides of the outer surface of the assembly sleeve are connected with anti-blocking stirring pieces, and the anti-blocking stirring pieces are located between the valve body operating port and the ball valve core.

[0009] Preferably, a sealing ring is laid on the inner surface of the ball valve core, and two pulleys are symmetrically connected to both sides of the leakage-proof plate. The pulleys slide along the wheel grooves to assist the leakage-proof plate in rotating.

[0010] Preferably, both sides of the sealing ring are connected with wheel grooves matching the pulley.

[0011] Preferably, the bottom of the connecting block is connected to a first movable cavity, and two second limit blocks are symmetrically arranged inside the first movable cavity. The two second limit blocks are connected by a second spring, and the resilience of the second spring assists the fixing plug-in to automatically engage with the fixing slot.

[0012] Preferably, both sides of the interior of the assembly sleeve are connected with fixing slots matching the fixing plug-in.

[0013] Preferably, a first limit block is provided inside the second movable cavity, and the top and bottom of the first limit block are respectively connected to a pressing rod and a connecting rod, and one end of the connecting rod is connected to one side of the sleeve.

[0014] Preferably, a first spring is provided inside the second movable cavity, and the first spring is sleeved on the outside of the connecting rod. Pressing the pressing rod can adjust the telescopic activity of the telescopic rod together with the connecting rod and the shaft sleeve, so as to adjust the height of the anti-blocking stirring piece.

[0015] Preferably, a fixing plug-in is connected to one side of the second limiting block.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) This self-cleaning ball valve assembly with anti-blocking function is provided with a rotary drive mechanism, a first transmission rod and a leak-proof plate. When the rotary drive mechanism drives the first transmission rod to rotate, the opening and closing action of the leak-proof plate can be controlled. Then, by providing and cooperating with the transmission wheel, the second transmission rod, the transmission belt, the shaft sleeve and the anti-blocking stirring member, the leak-proof plate can be rotated. The transmission wheel, the transmission belt and the shaft sleeve can be used to make the telescopic rod connected to the anti-blocking stirring member rotate synchronously, so that the band-like foreign matter blocked in the ball valve body can be stirred or pushed, so that the band-like foreign matter can be separated, reducing the possibility of the band-like foreign matter blocking the ball valve body. Each time the leak-proof plate is opened and closed, the anti-blocking stirring member can be used to stir the foreign matter in the ball valve body and the valve body operating port, thereby achieving self-cleaning work and convenient operation.

[0018] (2) This self-cleaning ball valve assembly with anti-blocking function can realize manual control of the working height range of the anti-blocking stirring member in the ball valve body by setting and cooperating with the first limit block, the pressing rod, the connecting rod, the first spring and the telescopic rod, and can clean foreign objects at different positions within the specific valve body operation port of the ball valve body, thereby improving the effect of cleaning foreign objects. By setting and cooperating with the connecting block, the assembly set, the second limit block, the second spring, the fixed plug-in and the fixed slot, when the assembly set is pulled out, the fixed plug-in is limited by the fixed slot and slides into the first active cavity through the second limit block, thereby realizing the rapid disassembly operation of the anti-blocking stirring member, and facilitating the replacement of the worn anti-blocking stirring member.

[0019] (3) This self-cleaning ball valve assembly with anti-blocking function can improve the sealing performance between the ball valve core and the anti-leakage plate within the working range by setting a sealing ring. The setting and coordinated use of the sliding action of the pulley along the wheel groove can assist the stable rotation of the anti-leakage plate, improve the strength and service life of the anti-leakage plate structure, and reduce the problem of wear on the edge of the anti-leakage plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0021] Figure 2 For this utility model Figure 1 The enlarged structural diagram at A in the middle;

[0022] Figure 3 For this utility model Figure 1 The enlarged structural diagram at B in the middle;

[0023] Figure 4 This is a schematic diagram of the enlarged structure of the connection between the assembly set and the connection block of the utility model;

[0024] Figure 5 It is a side view structural diagram of the connection between the ball valve body and the valve body operating port, the leak-proof plate and the anti-blocking stirring member of the utility model.

[0025] In the figure: 1. ball valve body; 2. valve body operating port; 3. ball valve core; 4. leak-proof plate; 5. sealing ring; 6. first transmission rod; 7. reinforcement frame; 8. rotary drive mechanism; 9. transmission wheel; 10. cavity; 11. second transmission rod; 12. transmission belt; 13. telescopic rod; 14. bushing; 15. connecting block; 1501. first movable cavity; 16. assembly set; 1601. fixed slot; 17. anti-blocking stirring member; 18. pulley; 19. wheel groove; 20. second movable cavity; 21. first limit block; 22. pressing rod; 23. connecting rod; 24. first spring; 25. second limit block; 26. second spring; 27. fixed plug-in. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] For examples, see Figure 1-5 The utility model provides a self-cleaning ball valve assembly with anti-blocking function, including a ball valve body 1, a leak-proof plate 4, a transmission belt 12 and an anti-blocking stirring member 17. The ball valve body 1 includes a valve body operating port 2 and a ball valve core 3. The ball valve core 3 is provided with a leak-proof plate 4. The middle of the leak-proof plate 4 is connected with a first transmission rod 6. The top of the ball valve body 1 is connected with a reinforcement frame 7, a cavity 10 and a second active cavity 20. A rotary drive mechanism 8 is installed on the top of the reinforcement frame 7. One end of the first transmission rod 6 passes through the top of the reinforcement frame 7 and is connected to the output end of the bottom of the rotary drive mechanism 8. A second transmission rod 11 is connected to one side of the cavity 10. The ends of the first transmission rod 6 and the second transmission rod 11 are both connected to transmission wheels 9. The two transmission wheels 9 are connected by a transmission belt 12. The bottom of the second transmission rod 11 is connected with a telescopic rod 13. The outside of the telescopic rod 13 A sleeve 14 is provided, and a connecting block 15 is connected to the bottom of the telescopic rod 13. An assembly sleeve 16 is provided on the outside of the connecting block 15. Anti-blocking stirring members 17 are connected to both sides of the outer surface of the assembly sleeve 16. The anti-blocking stirring member 17 is located between the valve body operating port 2 and the ball valve core 3. When the rotary drive mechanism 8 drives the first transmission rod 6 to rotate, the opening and closing action of the leakage-proof plate 4 can be controlled. The transmission wheel 9, the second transmission rod 11, the transmission belt 12, the sleeve 14 and the anti-blocking stirring member 17 are set and used in coordination, while the leakage-proof plate 4 rotates, the transmission wheel 9, the transmission belt 12 and the sleeve 14 are used to make the telescopic rod 13 connected to the anti-blocking stirring member 17 rotate synchronously, so that the strip-shaped foreign matter blocked in the ball valve body 1 can be stirred or pushed, so that the strip-shaped foreign matter is separated, and the possibility of the strip-shaped foreign matter blocking the inside of the ball valve body 1 is reduced.

[0028] The inner surface of the ball valve core 3 is provided with a sealing ring 5 , and two sides of the leak-proof plate 4 are symmetrically connected to two pulleys 18 .

[0029] Both sides of the sealing ring 5 are connected with wheel grooves 19 matching the pulley 18. The setting of the sealing ring 5 can improve the sealing performance of the working range of the ball valve core 3 and the leakage-proof plate 4. The setting and coordinated use of the sliding action of the pulley 18 along the wheel groove 19 can assist the stable rotation of the leakage-proof plate 4 and improve the structural strength and service life of the leakage-proof plate 4.

[0030] The bottom of the connecting block 15 is connected to the first active cavity 1501, and two second limit blocks 25 are symmetrically arranged inside the first active cavity 1501. The two second limit blocks 25 are connected by a second spring 26. By setting and cooperating in the connecting block 15, the assembly sleeve 16, the second limit block 25, the second spring 26, the fixed plug-in 27 and the fixed slot 1601, when the assembly sleeve 16 is pulled out, the fixed plug-in 27 is limited by the fixed slot 1601 and will slide into the first active cavity 1501 through the second limit block 25, thereby realizing the quick disassembly operation of the anti-blocking stirring member 17.

[0031] Both sides of the interior of the assembly sleeve 16 are connected with fixing slots 1601 matching with the fixing plug-in 27 .

[0032] A first limit block 21 is arranged inside the second movable chamber 20, and a pressing rod 22 and a connecting rod 23 are respectively connected to the top and bottom of the first limit block 21, and one end of the connecting rod 23 is connected to one side of the shaft sleeve 14. The first limit block 21, the pressing rod 22, the connecting rod 23, the first spring 24 and the telescopic rod 13 are arranged and used in coordination to realize manual control of the working height range of the anti-blocking stirring member 17 in the ball valve body 1, and foreign matter cleaning work can be performed on different positions within the specific valve body operating port 2 in the ball valve body 1.

[0033] A first spring 24 is disposed inside the second movable chamber 20 , and the first spring 24 is sleeved on the outside of the connecting rod 23 .

[0034] A fixing plug-in 27 is connected to one side of the second limiting block 25 .

[0035] When the embodiment of the present application is in use: the rotary drive mechanism 8 drives the first transmission rod 6 to rotate, which can control the opening and closing action of the leakage prevention plate 4. The transmission wheel 9, the second transmission rod 11, the transmission belt 12, the shaft sleeve 14 and the anti-blocking stirring member 17 are set and used in coordination, so that the leakage prevention plate 4 can rotate at the same time. The transmission wheel 9, the transmission belt 12 and the shaft sleeve 14 are used to make the telescopic rod 13 connected to the anti-blocking stirring member 17 rotate synchronously, so that the band-like foreign matter blocked in the ball valve body 1 can be stirred or pushed, so that the band-like foreign matter can be separated, reducing the possibility of the band-like foreign matter blocking the ball valve body 1. The anti-blocking stirring member 17 can be used to remove foreign matter in the ball valve body 1 and the valve body operating port 2 each time the leakage prevention plate 4 is opened and closed. Stirring is performed to realize self-cleaning. The first limit block 21, the pressing rod 22, the connecting rod 23, the first spring 24 and the telescopic rod 13 are set and used in coordination to realize manual control of the working height range of the anti-blocking stirring member 17 in the ball valve body 1. Foreign matter cleaning can be performed at different positions within the specific valve body operating port 2 in the ball valve body 1 to improve the effect of cleaning foreign matter. By setting and cooperating with the connecting block 15, the assembly sleeve 16, the second limit block 25, the second spring 26, the fixed plug-in 27 and the fixed slot 1601, when the assembly sleeve 16 is pulled out, the fixed plug-in 27 is limited by the fixed slot 1601 and will slide into the first active cavity 1501 through the second limit block 25, thereby realizing the quick disassembly operation of the anti-blocking stirring member 17.

[0036] In the present invention, terms such as "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "side", "bottom" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are relational words determined only for the convenience of describing the structural relationships of the various parts or elements of the present invention, and do not specifically refer to any part or element in the present invention and cannot be understood as limitations on the present invention.

Claims

1. A self-cleaning ball valve assembly with anti-blocking function, characterized in that: The invention comprises a ball valve body (1), a leak-proof plate (4), a transmission belt (12) and an anti-blocking stirring member (17), wherein the ball valve body (1) comprises a valve body operating port (2) and a ball valve core (3), the leak-proof plate (4) is arranged inside the ball valve core (3), the middle part of the leak-proof plate (4) is connected to a first transmission rod (6), the top of the ball valve body (1) is connected to a reinforcement frame (7), a cavity (10) and a second active cavity (20), a rotation drive mechanism (8) is installed on the top of the reinforcement frame (7), one end of the first transmission rod (6) passes through the top of the reinforcement frame (7) and is connected to the output end of the bottom of the rotation drive mechanism (8), the cavity (10) A second transmission rod (11) is connected to one side of the inner portion, and transmission wheels (9) are connected to the outside of the ends of the first transmission rod (6) and the second transmission rod (11), and the two transmission wheels (9) are connected via a transmission belt (12). A telescopic rod (13) is connected to the bottom of the second transmission rod (11), and a shaft sleeve (14) is sleeved on the outside of the telescopic rod (13). A connecting block (15) is connected to the bottom of the telescopic rod (13), and an assembly sleeve (16) is sleeved on the outside of the connecting block (15). Anti-blocking stirring members (17) are connected to both sides of the outer surface of the assembly sleeve (16), and the anti-blocking stirring member (17) is located between the valve body operating port (2) and the ball valve core (3).

2. A self-cleaning ball valve assembly with anti-blocking function according to claim 1, characterized in that: The inner surface of the ball valve core (3) is provided with a sealing ring (5), and two pulleys (18) are symmetrically connected to the two sides of the leakage prevention plate (4).

3. A self-cleaning ball valve assembly with anti-blocking function according to claim 2, characterized in that: Both sides of the sealing ring (5) are connected to wheel grooves (19) that match the pulley (18).

4. A self-cleaning ball valve assembly with anti-blocking function according to claim 1, characterized in that: The bottom of the connection block (15) is connected to a first movable cavity (1501), and two second limit blocks (25) are symmetrically arranged inside the first movable cavity (1501), and the two second limit blocks (25) are connected via a second spring (26).

5. The self-cleaning ball valve assembly with anti-blocking function according to claim 1, characterized in that: Both sides of the interior of the assembly sleeve (16) are connected with fixing slots (1601) that match the fixing plug-in (27).

6. A self-cleaning ball valve assembly with anti-blocking function according to claim 1, characterized in that: A first limit block (21) is arranged inside the second movable cavity (20), and a pressing rod (22) and a connecting rod (23) are respectively connected to the top and bottom of the first limit block (21), and one end of the connecting rod (23) is connected to one side of the shaft sleeve (14).

7. A self-cleaning ball valve assembly with anti-blocking function according to claim 6, characterized in that: A first spring (24) is disposed inside the second active chamber (20), and the first spring (24) is sleeved on the outside of the connecting rod (23).

8. The self-cleaning ball valve assembly with anti-blocking function according to claim 4, characterized in that: A fixing plug-in unit (27) is connected to one side of the second limiting block (25).