A butterfly valve active valve

Abstract

The utility model discloses an active butterfly valve, which relates to the field of valve technology, and comprises a valve body shell, a mounting seat is arranged on the top of the valve body shell, and a driving motor is arranged on the top of the mounting seat, pulling handles are arranged on both sides of the top of the mounting seat, a rotating shaft is arranged at the bottom of the driving motor, and a valve body is arranged outside the rotating shaft, a sealing ring is arranged on the outer wall of the valve body, and a buffer assembly is arranged on the side of the valve body, and a mounting assembly is arranged at the bottom of the mounting seat; the mounting assembly comprises an arc-shaped mounting plate, a clamping plate is arranged at one end of the arc-shaped mounting plate, and a limiting rod is arranged in the middle of the clamping plate, and a connecting bolt is arranged in the middle of the limiting rod. The utility model realizes buffering of the valve body through the buffer assembly, and the buffer plate is arranged at a certain distance from the valve body, so as to realize buffering and separation of the pressure generated by the backflow when closing, and reduce the pressure and impact force on the valve body.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to an active butterfly valve. Background Art

[0002] A butterfly valve is a type of valve, also called a flap valve. It refers to a valve with a disc as the closing part, which rotates around the valve axis to achieve opening and closing. It mainly plays a cutting and throttling role in the pipeline. It is often used for switching control of low-pressure pipeline media, and is often used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

[0003] The butterfly valve has the advantages of small operating torque, small installation space and light weight, so it is widely used. However, the buffering effect of the existing butterfly valve active valve is not ideal. Under the long-term impact of water flow, the butterfly valve active valve is easily damaged. In addition, the existing butterfly valve active valve is not convenient to disassemble and the sealing effect is not ideal. Therefore, it is necessary to provide a butterfly valve active valve to solve the problem. Utility Model Content

[0004] The main purpose of the utility model is to provide a butterfly valve active valve, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A butterfly valve active valve comprises a valve body shell, a mounting seat is arranged on the top of the valve body shell, a driving motor is arranged on the top of the mounting seat, pulling handles are arranged on both sides of the top of the mounting seat, a rotating shaft is arranged at the bottom of the driving motor, and a valve body is arranged outside the rotating shaft, a sealing ring is arranged on the outer wall of the valve body, a buffer assembly is arranged on the side of the valve body, and a mounting assembly is arranged at the bottom of the mounting seat;

[0007] The buffer assembly comprises a mounting rod, a spring is arranged inside the mounting rod, a T-shaped connecting rod is arranged at one end of the spring, and a buffer plate is arranged at one end of the T-shaped connecting rod;

[0008] The mounting assembly includes an arc-shaped mounting plate, a clamping plate is arranged at one end of the arc-shaped mounting plate, a limiting rod is arranged in the middle of the clamping plate, a connecting bolt is arranged in the middle of the limiting rod, a rubber positioning plate is arranged outside the connecting bolt, and a clamping block is arranged at the bottom of the rubber positioning plate.

[0009] Preferably, the side of the mounting rod is connected to the side of the valve body by bolts, there are multiple mounting rods, which are evenly distributed on the sides of the valve body, the mounting rod is fixedly connected to the spring, and one end of the spring away from the mounting rod is fixedly connected to the side of the T-shaped connecting rod.

[0010] Preferably, the T-shaped connecting rod is slidably connected to the inside of the mounting rod, and the end of the T-shaped connecting rod away from the mounting rod is connected to the buffer plate by a bolt, and the buffer plate is arranged adjacent to the valve body, and the buffer plate is located on the side of the valve body close to the water inlet.

[0011] Preferably, a through groove is provided in the middle of the top of the valve body shell, and the through groove is located in the middle of the bottom of the mounting seat, and a groove is provided in the top of the valve body shell near the through groove, and there are two grooves, which are symmetrically distributed at both ends of the through groove, and the arc-shaped mounting plate is clamped in the inside of the through groove, and the arc-shaped mounting plate is located between the through groove and the mounting seat, and the top of the arc-shaped mounting plate is connected to the mounting seat by bolts.

[0012] Preferably, the arc-shaped mounting plate is fixedly connected to the clamping plate, and there are two clamping plates, which are symmetrically distributed at both ends of the arc-shaped mounting plate. A limiting groove is opened in the middle of the clamping plate, and the clamping plate is clamped inside the groove. A limiting rod is fixedly connected to the bottom inner wall of the groove, and the top of the limiting rod is clamped inside the limiting groove in the middle of the clamping plate. A threaded hole is set in the middle of the limiting rod.

[0013] Preferably, the limit rod is connected to the connecting bolt through a threaded hole, and the bottom end of the connecting bolt passes through the limit rod and is connected to the inside of the valve body shell. The clamping plate is in contact with the rubber positioning plate, and the rubber positioning plate is sleeved on the outside of the connecting bolt. The rubber positioning plate is fixedly connected to the clamping block, and there are two clamping blocks, which are symmetrically distributed at the bottom of both ends of the rubber positioning plate. The two ends of the rubber positioning plate are in contact with the outer wall of the valve body shell, and a clamping groove is opened on the outer wall of the valve body shell, and the clamping block is clamped in the inside of the clamping groove.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The buffer assembly is used to buffer the valve body. The buffer plate is set at a certain distance from the valve body, so as to buffer and separate the pressure generated by the backflow when closing, reduce the pressure and impact force on the valve body, and extend the service life of the valve body;

[0016] 2. The installation components are provided to facilitate the disassembly and maintenance of the valve body. The through grooves and arc-shaped installation plates are provided to facilitate the removal and installation of the valve body. The arc-shaped installation plate and the limit rod are connected by the provided connecting bolts to increase the installation stability of the arc-shaped installation plate and the valve body, improve the ease of use of the device, and facilitate the maintenance and installation of the valve body by the staff. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0018] Figure 2It is a structural schematic diagram of the cross section of the device of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the valve body of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the buffer component of the utility model;

[0021] Figure 5 It is a structural schematic diagram of the installation assembly of the utility model.

[0022] In the figure: 1. valve body shell; 2. mounting seat; 3. drive motor; 4. rotating shaft; 5. valve body; 6. sealing ring; 7. buffer assembly; 8. mounting rod; 9. spring; 10. T-shaped connecting rod; 11. buffer plate; 12. mounting assembly; 13. through groove; 14. groove; 15. arc-shaped mounting plate; 16. clamping plate; 17. limit rod; 18. threaded hole; 19. connecting bolt; 20. rubber positioning plate; 21. clamping block; 22. clamping groove; 23. pulling handle. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figure 1-Figure 5 As shown, a butterfly valve active valve comprises a valve body shell 1, a mounting seat 2 is arranged on the top of the valve body shell 1, a driving motor 3 is arranged on the top of the mounting seat 2, pulling handles 23 are arranged on both sides of the top of the mounting seat 2, a rotating shaft 4 is arranged on the bottom of the driving motor 3, and a valve body 5 is arranged outside the rotating shaft 4, a sealing ring 6 is arranged on the outer wall of the valve body 5, and a buffer component 7 is arranged on the side of the valve body 5, and a mounting component 12 is arranged at the bottom of the mounting seat 2;

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the buffer assembly 7 includes a mounting rod 8, a spring 9 is arranged inside the mounting rod 8, and a T-shaped connecting rod 10 is arranged at one end of the spring 9, and a buffer plate 11 is arranged at one end of the T-shaped connecting rod 10. The side of the mounting rod 8 is connected to the side of the valve body 5 by bolts. There are multiple mounting rods 8, which are evenly distributed on the side of the valve body 5. The mounting rod 8 is fixedly connected to the spring 9, and the end of the spring 9 away from the mounting rod 8 is fixedly connected to the side of the T-shaped connecting rod 10. The T-shaped connecting rod 10 is slidably connected to the inside of the mounting rod 8, and the end of the T-shaped connecting rod 10 away from the mounting rod 8 is connected to the buffer plate 11 by bolts, and the buffer plate 11 is arranged adjacent to the valve body 5. The buffer plate 11 is located on the side of the valve body 5 close to the water inlet. The buffer assembly 7 is used to achieve buffering of the valve body 5. The buffer plate 11 is arranged at a certain distance from the valve body 5, so as to achieve buffering and separation of the pressure generated by the backflow when closing, reduce the pressure and impact force on the valve body 5, and extend the service life of the valve body 5.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 5As shown, the mounting assembly 12 includes an arc-shaped mounting plate 15, a clamping plate 16 is provided at one end of the arc-shaped mounting plate 15, and a limit rod 17 is provided in the middle of the clamping plate 16, a connecting bolt 19 is provided in the middle of the limit rod 17, a rubber positioning plate 20 is provided outside the connecting bolt 19, and a clamping block 21 is provided at the bottom of the rubber positioning plate 20, a through groove 13 is provided in the middle of the top of the valve body shell 1, and the through groove 13 is located in the middle of the bottom of the mounting seat 2, and a groove 14 is provided near the top of the valve body shell 1 near the through groove 13, and the groove 14 has two, which are divided into The arc-shaped mounting plate 15 is symmetrically distributed at both ends of the through slot 13, the arc-shaped mounting plate 15 is clamped inside the through slot 13, and the arc-shaped mounting plate 15 is located between the through slot 13 and the mounting seat 2, the top of the arc-shaped mounting plate 15 is connected to the mounting seat 2 by bolts, the arc-shaped mounting plate 15 is fixedly connected to the clamping plate 16, and there are two clamping plates 16, which are symmetrically distributed at both ends of the arc-shaped mounting plate 15, a limiting groove is provided in the middle of the clamping plate 16, and the clamping plate 16 is clamped inside the groove 14, and a limiting rod 17 is fixedly connected to the bottom inner wall of the groove 14, and the limiting rod 1 The top of the clamping plate 16 is clamped in the limiting groove in the middle of the clamping plate 16, and a threaded hole 18 is set in the middle of the limiting rod 17. The limiting rod 17 is connected to the connecting bolt 19 through the threaded hole 18. The bottom end of the connecting bolt 19 passes through the limiting rod 17 and is connected to the inside of the valve body shell 1. The clamping plate 16 is in contact with the rubber positioning plate 20, and the rubber positioning plate 20 is sleeved on the outside of the connecting bolt 19. The rubber positioning plate 20 is fixedly connected with the block 21, and there are two blocks 21, which are symmetrically distributed at the bottom of both ends of the rubber positioning plate 20. The rubber positioning plate 20 The two ends are in contact with the outer wall of the valve body shell 1, and a slot 22 is provided on the outer wall of the valve body shell 1, and the clamping block 21 is clamped in the inside of the slot 22. The installation component 12 is provided to facilitate the disassembly and maintenance of the valve body 5. The through groove 13 and the arc-shaped mounting plate 15 are provided to facilitate the removal and installation of the valve body 5. The arc-shaped mounting plate 15 and the limit rod 17 are connected by the provided connecting bolts 19, so as to increase the installation stability of the arc-shaped mounting plate 15 and the valve body 5, improve the convenience of using the device, and facilitate the maintenance and installation of the valve body 5 by the staff.

[0027] It should be noted that the utility model is an active butterfly valve. When in use, the valve body 5 is connected to the rotating shaft 4, and the rotating shaft 4 is connected to the driving motor 3 through the arc-shaped mounting plate 15. The arc-shaped mounting plate 15 and the mounting seat 2 are clamped on the outside of the valve body shell 1, so that the arc-shaped mounting plate 15 is clamped in the through groove 13 at the top of the valve body shell 1, and the clamping plates 16 at both ends of the arc-shaped mounting plate 15 are clamped in the groove 14. The limiting groove in the middle of the clamping plate 16 is clamped on the outside of the limiting rod 17, and the rubber positioning plate 20 is pulled so that the blocks 21 at both ends of the rubber positioning plate 20 are clamped in the groove 22 on the outer wall of the valve body shell 1, thereby realizing the first limit of the arc-shaped mounting plate 15, and then the connecting bolt 19 is passed through the rubber positioning plate 20 and connected to the threaded hole 18 in the middle of the limiting rod 17, and the rotating connecting bolt Bolt 19, so that the connecting bolt 19 passes through the limit rod 17 and is connected to the inside of the valve body shell 1, thereby fixing the arc-shaped mounting plate 15, so that the arc-shaped mounting plate 15 is fixedly connected to the valve body 5 inside the valve body shell 1, and the rotating shaft 4 is driven to rotate by the set driving motor 3, so that the rotating shaft 4 drives the valve body 5 to rotate, thereby realizing the opening and closing of the water flow inside the valve body shell 1, and a buffer component 7 is arranged on the side of the valve body 5, and is located on the side of the valve body 5 close to the water inlet of the valve body shell 1. When the valve body shell 1 is closed, the buffer plate 11 buffers and blocks the pressure generated by the water flow, and the buffer plate 11, the spring 9 and the T-shaped connecting rod 10 are used together to reduce the pressure on the valve body 5 and extend the service life of the valve body 5, and a multi-layer sealing ring 6 is arranged on the outer wall of the valve body 5 to improve the sealing effect of the valve body 5.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. 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, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A butterfly valve active valve, comprising a valve body housing (1), characterized in that: A mounting seat (2) is arranged on the top of the valve body shell (1), and a driving motor (3) is arranged on the top of the mounting seat (2), pulling handles (23) are arranged on both sides of the top of the mounting seat (2), a rotating shaft (4) is arranged on the bottom of the driving motor (3), and a valve body (5) is arranged outside the rotating shaft (4), a sealing ring (6) is arranged on the outer wall of the valve body (5), and a buffer component (7) is arranged on the side of the valve body (5), and a mounting component (12) is arranged at the bottom of the mounting seat (2); The buffer assembly (7) comprises a mounting rod (8), a spring (9) is arranged inside the mounting rod (8), a T-shaped connecting rod (10) is arranged at one end of the spring (9), and a buffer plate (11) is arranged at one end of the T-shaped connecting rod (10); The mounting assembly (12) comprises an arc-shaped mounting plate (15), one end of the arc-shaped mounting plate (15) is provided with a clamping plate (16), a limiting rod (17) is provided in the middle of the clamping plate (16), a connecting bolt (19) is provided in the middle of the limiting rod (17), a rubber positioning plate (20) is provided outside the connecting bolt (19), and a clamping block (21) is provided at the bottom of the rubber positioning plate (20).

2. The active butterfly valve according to claim 1, characterized in that: The side of the mounting rod (8) is connected to the side of the valve body (5) by means of bolts. There are a plurality of mounting rods (8) which are evenly distributed on the side of the valve body (5). The mounting rod (8) is fixedly connected to the spring (9), and one end of the spring (9) away from the mounting rod (8) is fixedly connected to the side of the T-shaped connecting rod (10).

3. The active butterfly valve according to claim 2, characterized in that: The T-shaped connecting rod (10) is slidably connected inside the mounting rod (8), and one end of the T-shaped connecting rod (10) away from the mounting rod (8) is connected to the buffer plate (11) through a bolt, and the buffer plate (11) is arranged adjacent to the valve body (5), and the buffer plate (11) is located on a side of the valve body (5) close to the water inlet.

4. The active butterfly valve according to claim 1, characterized in that: A through groove (13) is provided in the middle of the top of the valve body shell (1), and the through groove (13) is located in the middle of the bottom of the mounting seat (2). A groove (14) is provided in the top of the valve body shell (1) near the through groove (13), and there are two grooves (14), which are symmetrically distributed at both ends of the through groove (13). The arc-shaped mounting plate (15) is clamped in the interior of the through groove (13), and the arc-shaped mounting plate (15) is located between the through groove (13) and the mounting seat (2). The top of the arc-shaped mounting plate (15) is connected to the mounting seat (2) by bolts.

5. The active butterfly valve according to claim 4, characterized in that: The arc-shaped mounting plate (15) is fixedly connected to the clamping plate (16), and there are two clamping plates (16), which are symmetrically distributed at the two ends of the arc-shaped mounting plate (15). A limiting groove is provided in the middle of the clamping plate (16), and the clamping plate (16) is clamped in the inside of the groove (14). A limiting rod (17) is fixedly connected to the inner wall of the bottom of the groove (14), and the top of the limiting rod (17) is clamped in the inside of the limiting groove in the middle of the clamping plate (16), and a threaded hole (18) is provided in the middle of the limiting rod (17).

6. The active butterfly valve according to claim 5, characterized in that: The limiting rod (17) is connected to the connecting bolt (19) through the threaded hole (18); the bottom end of the connecting bolt (19) passes through the limiting rod (17) and is connected to the inside of the valve body shell (1); the clamping plate (16) is in contact with the rubber positioning plate (20), and the rubber positioning plate (20) is sleeved on the outside of the connecting bolt (19); the rubber positioning plate (20) is fixedly connected to the clamping block (21), and there are two clamping blocks (21), which are symmetrically distributed at the bottom of both ends of the rubber positioning plate (20); the two ends of the rubber positioning plate (20) are in contact with the outer wall of the valve body shell (1), and a clamping groove (22) is opened on the outer wall of the valve body shell (1), and the clamping block (21) is clamped in the inside of the clamping groove (22).

Images