Ball valve capable of being quickly disassembled and assembled

Abstract

The utility model belongs to the technical field of ball valves, and particularly relates to a ball valve capable of being quickly disassembled and assembled, which comprises a ball valve main body and connectors, the connectors are fixedly mounted at two ends of the ball valve main body, a connecting pipe is arranged on one side of each connector, and first retaining rings are sleeved on the outer sides of the connectors and the connecting pipes. One end of the first retaining ring is fixedly connected with a limiting block, the middle of the limiting block is rotationally connected with a second retaining ring, and the second retaining ring is clamped on one side of the first retaining ring through the limiting block. The connectors are aligned to the connecting pipes, after trapezoidal blocks are rotated into trapezoidal sliding grooves, opening grooves formed in the outer sides of the connectors and the connecting pipes coincide, then the connectors and the connecting pipes are sleeved with first retaining rings and second retaining rings, connecting rods are clamped into the inner walls of the opening grooves, and the connectors and the connecting pipes can be prevented from rotating in the using process; and a worker can quickly mount and dismount the ball valve main body, and the time consumed during dismounting is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of ball valves, in particular to a ball valve which can be quickly disassembled and assembled. Background Art

[0002] Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. Ball valves are widely used in oil refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration, steel and other industries, and occupy a pivotal position in the national economy.

[0003] The structure of a ball valve generally includes a valve body, a valve cover, a valve core, a valve seat and a valve stem. Due to the structural limitations of the valve body, the ball valve has a simple and compact structure, reliable sealing, and easy maintenance. The sealing surface and the spherical surface are often in a closed state and are not easily eroded by the medium. It is mainly used to cut off or connect the medium in the pipeline, and can also be used for fluid regulation and control. The ball valve is mainly used in the pipeline to cut off, distribute and change the flow direction of the medium. It only needs to be rotated 90 degrees and a very small torque to close tightly. The ball valve is most suitable for use as a switch and cut-off valve.

[0004] In the current prior art, when traditional ball valves are installed, the valve seat is mostly installed at the water pipe joint using bolts. When the ball valve needs to be replaced, the staff needs to constantly remove the bolts, which consumes a lot of time and is inconvenient for the staff to disassemble and assemble, affecting the practicality of the ball valve.

[0005] Therefore, a ball valve that can be quickly disassembled and assembled is proposed in response to the above problems. Utility Model Content

[0006] In order to make up for the deficiencies of the prior art and solve the above-mentioned problems, a ball valve that can be quickly disassembled and assembled is proposed.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a ball valve that can be quickly disassembled and assembled described in the utility model comprises a ball valve body and a joint, the joint is fixedly installed at both ends of the ball valve body, a connecting pipe is arranged on one side of each of the joints, a first buckle ring is sleeved on the outer side of the joint and the connecting pipe, one end of the first buckle ring is fixedly connected to a limiting block, the middle part of the limiting block is rotatably connected to a second buckle ring, the second buckle ring is clamped on one side of the first buckle ring through the limiting block, the inner walls of the first buckle ring and the second buckle ring are clamped on the outer side of the joint and the connecting pipe, one end of the first buckle ring is fixedly connected to two clamping blocks, one side of the second buckle ring is provided with two clamping grooves, the inner wall of each clamping groove is clamped with the outer wall of the clamping block, two rectangular sliding grooves are arranged inside one end of the second buckle ring, each of the rectangular sliding grooves is communicated with the clamping groove, and the inside of each of the rectangular sliding grooves is slidably connected with a movable block, and one side of each of the movable blocks is fitted with one side of the clamping block.

[0008] Preferably, a plurality of grooves are provided on one side of the joint, and the plurality of grooves are arranged in a circular array, a trapezoidal block is snap-connected inside each of the grooves, and one side of each of the trapezoidal blocks is fixedly connected to the connecting pipe, and the plurality of trapezoidal blocks are arranged in a circular array on one side of the connecting pipe.

[0009] Preferably, a trapezoidal slide groove is provided on one side of each of the grooves, the inner wall of each of the trapezoidal slide grooves is slidably connected to the inner wall of the trapezoidal block, a sealing groove is provided on one side of the joint, a sealing ring is engaged with the inner wall of the sealing groove, and one side of the sealing ring is fixedly connected to the connecting pipe.

[0010] Preferably, the outer sides of the joint and the connecting pipe are provided with a plurality of open grooves, and the plurality of open grooves are arranged in a circular array, the inner wall of each open groove is snap-connected with a connecting rod, and one side of every two connecting rods is fixedly connected to the inner walls of the first buckle and the second buckle respectively.

[0011] Preferably, a return spring is fixedly connected to one side of each movable block, one end of each return spring is fixedly connected to the inner wall of the rectangular slide groove, and each movable block slides inside the rectangular slide groove via the return spring.

[0012] Preferably, a positioning rod is sleeved inside each of the return springs, one end of each of the positioning rods is fixedly connected to the inner wall of the rectangular slide groove, and one end of each of the positioning rods is slidably connected to the inner wall of the movable block.

[0013] Beneficial effects of the utility model:

[0014] The utility model provides a ball valve that can be quickly disassembled and assembled. The joints at both ends of the ball valve body are aligned between two connecting pipes by moving the ball valve body, and after the trapezoidal block is turned into the inside of the trapezoidal slide groove, the opening grooves opened on the outside of the joint and the connecting pipe overlap, and then the first buckle ring and the second buckle ring are sleeved on the outside of the joint and the connecting pipe, so that the connecting rod is stuck in the inner wall of the opening groove, which can prevent the joint and the connecting pipe from rotating during use. Then the staff sleeves the first buckle ring and the second buckle ring on the outside of the joint and the connecting pipe. The above method allows the staff to quickly install and disassemble the ball valve body, reduce the time consumed during disassembly, and improve the practicality of the device.

[0015] The utility model provides a ball valve that can be quickly disassembled and assembled. The positioning rod can prevent the reset spring from being deformed, and the sliding of the positioning rod and the inner wall of the movable block can prevent the movable block from being misaligned during movement. When the first buckle ring and the second buckle ring need to be disassembled, one end of the two movable blocks is pushed at the same time to slide inside the rectangular slide groove, so that one side of the movable block is separated from the block, so that the block can be pulled out of the slot. The above method is convenient for the staff to quickly install and disassemble the first buckle ring and the second buckle ring, thereby improving the use efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the joint in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the buckle in the utility model;

[0020] Figure 4 This utility model Figure 3 The enlarged view of point A in the middle;

[0021] Figure 5 It is an expanded view of the buckle in the utility model;

[0022] Legend:

[0023] 1. Ball valve body; 2. Joint; 21. Groove; 22. Trapezoidal slide; 23. Sealing groove; 3. Connecting pipe; 31. Trapezoidal block; 32. Sealing ring; 4. Opening groove; 5. First buckle ring; 51. Block; 6. Second buckle ring; 61. Slot; 7. Limit block; 8. Connecting rod; 9. Rectangular slide; 10. Movable block; 11. Reset spring; 12. Positioning rod. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 5 The utility model provides a ball valve that can be quickly disassembled and assembled, including a ball valve body 1 and a joint 2. The joint 2 is fixedly installed at both ends of the ball valve body 1. A connecting pipe 3 is arranged on one side of each joint 2. A first buckle 5 is sleeved on the outer side of the joint 2 and the connecting pipe 3. One end of the first buckle 5 is fixedly connected to a limit block 7. The middle part of the limit block 7 is rotatably connected to a second buckle 6. The second buckle 6 is engaged with one side of the first buckle 5 through the limit block 7. The inner walls of the first buckle 5 and the second buckle 6 are engaged with the outer sides of the joint 2 and the connecting pipe 3. One end of the first buckle 5 is fixedly connected to two clamping blocks 51. One side of the second buckle 6 is provided with two clamping grooves 61. The inner wall of each clamping groove 61 is engaged with the outer wall of the clamping block 51. Two rectangular slide grooves 9 are arranged inside one end of the second buckle 6. Each rectangular slide groove 9 is communicated with the clamping groove 61. A movable block 10 is slidably connected inside each rectangular slide groove 9. One side of each movable block 10 is in contact with one side of the clamping block 51.

[0027] During operation, first, the joints 2 at both ends of the ball valve body 1 are moved to be aligned between the two connecting pipes 3, and after the joint 2 at one end is fitted with the connecting pipe 3, the limiting block 7 is used to ensure the stability of the connection between the first buckle ring 5 and the second buckle ring 6, so that the staff can quickly put the first buckle ring 5 and the second buckle ring 6 on the outside of the joint 2 and the connecting pipe 3. Then, the clamping block 51 is inserted into the inside of the clamping groove 61, and the movable block 10 inside the rectangular slide groove 9 can be used to clamp the clamping block 51, so that one end of the first buckle ring 5 is clamped with one end of the second buckle ring 6. The first buckle ring 5 and the second buckle ring 6 are fixed on the outside of the joint 2 and the connecting pipe 3. The above-mentioned method can prevent one end of the first buckle ring 5 and the second buckle ring 6 from opening during use, and then the joint 2 and the connecting pipe 3 can be tightly fitted together to ensure the stability of the structure, so that the staff can quickly install and disassemble the ball valve body 1, reduce the time consumed during disassembly, and improve the practicality of the device.

[0028] Further, such as Figure 2 As shown, a plurality of grooves 21 are provided on one side of the joint 2, and the plurality of grooves 21 are arranged in a circular array. A trapezoidal block 31 is engaged and connected inside each groove 21, and one side of each trapezoidal block 31 is fixedly connected to the connecting pipe 3, and the plurality of trapezoidal blocks 31 are arranged in a circular array on one side of the connecting pipe 3. A trapezoidal slide 22 is provided on one side of each groove 21, and the inner wall of each trapezoidal slide 22 is slidably connected to the inner wall of the trapezoidal block 31. A sealing groove 23 is provided on one side of the joint 2, and a sealing ring 32 is engaged with the inner wall of the sealing groove 23, and one side of the sealing ring 32 is fixedly connected to the connecting pipe 3.

[0029] During operation, the ball valve body 1 is moved to fit the joint 2 to one side of the connecting pipe 3, and then the groove 21 opened on one side of the joint 2 is inserted into the outer side of the trapezoidal block 31, and then the connecting pipe 3 is rotated to make the trapezoidal block 31 turn into the inside of the trapezoidal slide groove 22, so that the sealing ring 32 is engaged in the inside of the sealing groove 23, which can prevent leakage at the connection of the valve when in use, and the above method can improve the stability of the connection between the structures and increase the service life of the valve.

[0030] Further, such as Figure 3 As shown, the outer sides of the joint 2 and the connecting pipe 3 are provided with a plurality of open grooves 4, and the plurality of open grooves 4 are arranged in a circular array, the inner wall of each open groove 4 is snap-connected with a connecting rod 8, and one side of every two connecting rods 8 is fixedly connected to the inner wall of the first buckle 5 and the second buckle 6 respectively.

[0031] During operation, by installing the connecting pipe 3 on one side of the joint 2 and rotating the trapezoidal block 31 into the trapezoidal slide groove 22, the open grooves 4 opened on the outer sides of the joint 2 and the connecting pipe 3 overlap, and then the first buckle 5 and the second buckle 6 are put on the outer sides of the joint 2 and the connecting pipe 3, so that the connecting rod 8 is stuck in the inner wall of the open groove 4, which can prevent the joint 2 and the connecting pipe 3 from rotating during use, so that the trapezoidal block 31 can be stably engaged in the trapezoidal slide groove 22, which can improve the stability of the structure, facilitate the operation of the staff, and improve the use efficiency of the device.

[0032] Further, such as Figure 4 As shown, a return spring 11 is fixedly connected to one side of each movable block 10, one end of each return spring 11 is fixedly connected to the inner wall of the rectangular slide groove 9, and each movable block 10 slides inside the rectangular slide groove 9 through the return spring 11. A positioning rod 12 is sleeved inside each return spring 11, one end of each positioning rod 12 is fixedly connected to the inner wall of the rectangular slide groove 9, and one end of each positioning rod 12 is slidably connected to the inner wall of the movable block 10.

[0033] During operation, after the block 51 is inserted into the slot 61, the block 51 is used to push the movable block 10 inside the rectangular chute 9 to slide. When the block 51 is fully inserted into the slot 61, the elastic force of the reset spring 11 is used to push one side of the movable block 10 to engage with the block 51, so that the block 51 is fixed inside the rectangular chute 9, so that one end of the first buckle 5 is connected with the second buckle 6. The positioning rod 12 can prevent the reset spring 11 from being deformed, and the sliding of the positioning rod 12 and the inner wall of the movable block 10 can prevent the movable block 10 from being misaligned during the movement process, thereby improving the stability of the structure. When the first buckle 5 and the second buckle 6 need to be disassembled, one end of the two movable blocks 10 is pushed at the same time to slide inside the rectangular chute 9, so that one side of the movable block 10 is separated from the block 51, so that the block 51 can be pulled out of the slot 61. The above method is convenient for the staff to quickly install and disassemble the first buckle 5 and the second buckle 6, thereby improving the use efficiency of the device.

[0034] Working principle: First, move the ball valve body 1 to align the joints 2 at both ends between the two connecting pipes 3, and fit the joint 2 at one end to the connecting pipe 3, then insert the groove 21 opened on one side of the joint 2 into the outer side of the trapezoidal block 31, and then rotate the connecting pipe 3 so that the trapezoidal block 31 is turned into the inside of the trapezoidal slide groove 22, and then the sealing ring 32 is engaged in the inside of the sealing groove 23. The limit block 7 is used to ensure the stability of the connection between the first buckle ring 5 and the second buckle ring 6. After the first buckle ring 5 and the second buckle ring 6 are put on the outside of the joint 2 and the connecting pipe 3, the clamping block 51 is inserted into the inside of the clamping groove 61, and the clamping block 51 is used to push the movable block 10 inside the rectangular slide groove 9 to slide. When the clamping block 51 is fully inserted into the clamping groove 61, the elastic force of the return spring 11 is used to push one side of the movable block 10 to engage with the clamping block 51, so that the clamping block 51 is fixed inside the rectangular slide groove 9, so that one end of the first buckle ring 5 is connected with the second buckle ring 6, and the connecting rod 8 is inserted into the inner wall of the open groove 4, which can prevent the joint 2 and the connecting pipe 3 from rotating during use, so that the trapezoidal block 31 can be stably engaged in the inside of the trapezoidal slide groove 22, thereby completing the installation of the ball valve body 1. When the first buckle ring 5 and the second buckle ring 6 need to be disassembled, one end of the two movable blocks 10 is pushed at the same time to slide inside the rectangular slide groove 9, so that one side of the movable block 10 is disengaged from the block 51, so that the block 51 can be pulled out of the slot 61, completing the disassembly of the structure.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A ball valve that can be quickly disassembled and assembled, comprising a ball valve body (1) and a joint (2), characterized in that: The joint (2) is fixedly mounted on both ends of the ball valve body (1); a connecting pipe (3) is provided on one side of each joint (2); a first buckle ring (5) is sleeved on the outer side of the joint (2) and the connecting pipe (3); one end of the first buckle ring (5) is fixedly connected to a limit block (7); the middle part of the limit block (7) is rotatably connected to a second buckle ring (6); the second buckle ring (6) is engaged with one side of the first buckle ring (5) via the limit block (7); the inner walls of the first buckle ring (5) and the second buckle ring (6) are engaged with the joint (2) and the connecting pipe (3); On the outside, one end of the first buckle (5) is fixedly connected to two clamping blocks (51), one side of the second buckle (6) is provided with two clamping grooves (61), the inner wall of each clamping groove (61) is clamped with the outer wall of the clamping block (51), one end of the second buckle (6) is provided with two rectangular slide grooves (9), each of the rectangular slide grooves (9) is communicated with the clamping groove (61), and the interior of each rectangular slide groove (9) is slidably connected to a movable block (10), and one side of each movable block (10) is in contact with one side of the clamping block (51).

2. A quickly disassembled ball valve according to claim 1, characterized in that: A plurality of grooves (21) are provided on one side of the joint (2), the plurality of grooves (21) are arranged in a ring array, a trapezoidal block (31) is snap-connected inside each of the grooves (21), one side of each of the trapezoidal blocks (31) is fixedly connected to the connecting pipe (3), and the plurality of trapezoidal blocks (31) are arranged in a ring array on one side of the connecting pipe (3).

3. A quickly disassembled ball valve according to claim 2, characterized in that: A trapezoidal slide groove (22) is provided on one side of each of the grooves (21), and the inner wall of each of the trapezoidal slide grooves (22) is slidably connected to the inner wall of the trapezoidal block (31). A sealing groove (23) is provided on one side of the joint (2), and a sealing ring (32) is snap-fittedly connected to the inner wall of the sealing groove (23), and one side of the sealing ring (32) is fixedly connected to the connecting pipe (3).

4. The ball valve capable of rapid disassembly and assembly according to claim 1, characterized in that: The outer sides of the joint (2) and the connecting pipe (3) are provided with a plurality of open grooves (4), and the plurality of open grooves (4) are arranged in a ring array, the inner wall of each open groove (4) is snap-connected with a connecting rod (8), and one side of each two connecting rods (8) is fixedly connected to the inner wall of the first buckle (5) and the inner wall of the second buckle (6), respectively.

5. The quickly disassembled ball valve according to claim 1, characterized in that: A return spring (11) is fixedly connected to one side of each movable block (10), one end of each return spring (11) is fixedly connected to the inner wall of the rectangular slide groove (9), and each movable block (10) slides inside the rectangular slide groove (9) via the return spring (11).

6. The quickly disassembled ball valve according to claim 5, characterized in that: A positioning rod (12) is sleeved inside each of the return springs (11), one end of each of the positioning rods (12) is fixedly connected to the inner wall of the rectangular slide groove (9), and one end of each of the positioning rods (12) is slidably connected to the inner wall of the movable block (10).

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