Wafer type pneumatic butterfly valve

Abstract

The utility model relates to the technical field of valve assemblies, and discloses a wafer type pneumatic butterfly valve which comprises a protection box, a protection cover is rotationally connected to the top of the protection box, a protection frame is fixedly connected to the outer wall of the front end of the protection box, and first sliding grooves are formed in the inner walls of the left side and the right side of the protection frame. First sliding blocks are slidably connected to the inner walls of the first sliding grooves, a baffle is fixedly connected between the first sliding blocks, a sponge mat is arranged at the front end of the baffle and fixedly connected with the inner wall of the protection frame, a butterfly valve is arranged in the protection box, and connecting pipes are fixedly connected to the left side and the right side of the butterfly valve. According to the butterfly valve, external water vapor and impurities are blocked through the protection frame, the sponge cushion and the baffle, conveyed water is filtered through the filter screen plate, the filter screen plate is replaced or cleaned, the service life of the butterfly valve is prolonged, the pipeline at the bottom is clamped through the arc-shaped plate, the pipeline is convenient to install, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve components, in particular to a clamp-type pneumatic butterfly valve. Background Art

[0002] Butterfly valve, also known as flap valve, is a simple regulating valve that can be used for the on-off control of low-pressure pipeline media. It refers to a valve with a closing member (valve disc, butterfly valve or butterfly plate) as a disc, which rotates around the valve shaft to achieve opening and closing. The valve can be 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. It mainly plays the role of cutting off and throttling on the pipeline. Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a pneumatic valve that uses a circular butterfly plate that rotates with the valve stem to open and close to realize the activation action. It is mainly used as a shut-off valve, and can also be designed to have the function of regulation or section valve and regulation.

[0003] After searching, the existing Chinese patent announcement number is: CN213776530U, which provides a pneumatic butterfly valve. The patent has a push rod inside the sliding hole, and the axis of the push rod is parallel to the axis of the sliding rod. Blocks are fixed at both ends of the push rod. It is easy for one person to install, reduce the cost of installation, reduce damage to the bolt hole, and improve the sealing of the valve when in use.

[0004] Although the above patent can improve the sealing performance of the valve during use, the above pneumatic butterfly valve still has the following problems: the existing pneumatic butterfly valve cannot safely protect the overall butterfly valve, has low strength, is easily corroded, is not durable, is affected by low temperature weather, does not have the effect of purifying water quality, and is inconvenient to disassemble and assemble.

[0005] In view of the above problems, a wafer-type pneumatic butterfly valve is proposed. Utility Model Content

[0006] The utility model aims to provide a clamp-type pneumatic butterfly valve, which solves the problems of the existing pneumatic butterfly valves in the background technology, such as failure to safely protect the overall butterfly valve, low strength, easy corrosion, poor durability, low temperature weather affecting use, failure to purify water quality, and inconvenient disassembly and assembly.

[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a clamp-type pneumatic butterfly valve, comprising a protection box, a protection cover is rotatably connected to the top of the protection box, a protection frame is fixedly connected to the outer wall of the front end of the protection box, a first slide groove is provided on the inner walls on the left and right sides of the protection frame, a first slider is slidably connected to the inner wall of the first slide groove, a baffle is fixedly connected between the first sliders, a sponge pad is provided at the front end of the baffle, and the sponge pad is fixedly connected to the inner wall of the protection frame, a butterfly valve is provided inside the protection box, connecting pipes are fixedly connected to the left and right sides of the butterfly valve, a filter box is passed through and fixedly connected to the inside of the connecting pipe on the right side, a second slide groove is provided on the inner walls at both ends of the filter box, a second slider is slidably connected to the inner wall of the second slide groove, a groove box is fixedly connected between the second sliders, a filter plate is fixedly connected to the inside of the groove box, and a mounting component is provided inside the protection box.

[0008] By adopting the above technical solution, the water generated by the sponge pad is discharged through the drain groove at the bottom of the protection frame, and the accumulated water enters the protection box to protect the internal pneumatic butterfly valve. The groove box is taken out through the second slide groove and the second slider, and the filter plate in the groove box is cleaned or replaced, and sealed with a sealing gasket.

[0009] As a further description of the above technical solution: the installation component includes a connecting plate, the connecting plate is fixedly connected to the left inner wall of the protection box, the front end of the connecting plate is fixedly connected to a motor, and the output end of the motor is fixedly connected to a driving gear.

[0010] By adopting the above technical solution, the driving gear is driven to rotate by the motor.

[0011] As a further description of the above technical solution: connecting blocks are fixedly connected to the left and right sides of the top of the filter box, and the inside of the connecting blocks is slidably connected with evenly distributed pins.

[0012] By adopting the above technical solution, the latch is inserted into the connecting block to perform position limiting control on the groove box.

[0013] As a further description of the above technical solution: a first bidirectional threaded rod is rotatably connected to the interior of the left side of the protection box, and a second bidirectional threaded rod is rotatably connected to the interior of the right side of the protection box.

[0014] By adopting the above technical solution, the second bidirectional threaded rod is driven to rotate by the rotation of the first bidirectional threaded rod.

[0015] As a further description of the above technical solution: the outer ring at the middle end of the first bidirectional threaded rod is fixedly connected to a driven gear, and the driven gear is meshed with the driving gear, and the outer rings at both ends of the first bidirectional threaded rod are threadedly connected to a nut pair.

[0016] By adopting the above technical solution, a limit rod is passed through and slides inside the nut pair to perform limit control on the nut pair.

[0017] As a further description of the above technical solution: a movable plate is fixedly connected to the bottom of the nut pair, and an arc plate is fixedly connected to the opposite side of the movable plate.

[0018] By adopting the above technical solution, the pipes to be connected are fixed and clamped by the movable plate and the arc plate, which facilitates installation.

[0019] As a further description of the above technical solution: the outer ring at the rear end of the first bidirectional threaded rod is fixedly connected to a driving pulley, and the outer ring at the rear end of the second bidirectional threaded rod is fixedly connected to a driven pulley.

[0020] By adopting the above technical solution, the driving pulley is driven to rotate by the rotation of the first bidirectional threaded rod.

[0021] As a further description of the above technical solution: a belt is arranged between the driving pulley and the driven pulley.

[0022] By adopting the above technical solution, the driven pulley is driven to rotate by the driving pulley and the belt, so that the second bidirectional threaded rod is rotated.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a clamp-type pneumatic butterfly valve, which first blocks external water vapor and impurities through a protective frame, a sponge pad and a baffle, so that the internal butterfly valve can dissipate heat, and the delivered water is filtered through a filter plate. The groove box is taken out through a second slide groove and a second slider, and the filter plate is replaced or cleaned to increase the service life of the butterfly valve.

[0025] 2. The utility model provides a clamp-type pneumatic butterfly valve, which is moved by a motor, a driving gear, a driven gear, a first bidirectional threaded rod, a nut pair, a movable plate and an arc plate. The driven pulley is driven to rotate by a driving pulley and a belt, so that the arc plate clamps the pipe at the bottom, which is convenient for installing the pipe and improves the installation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the explosion structure of the protection frame of the utility model;

[0028] Figure 3 It is a schematic diagram of the cross-sectional structure of the protection box of the utility model;

[0029] Figure 4 It is a structural schematic diagram of the second chute of the utility model;

[0030] Figure 5 It is a structural schematic diagram of the driving gear of the utility model.

[0031] In the figure: 1. protection box; 2. protection cover; 3. protection frame; 4. first slide; 5. first slider; 6. baffle; 7. sponge pad; 8. butterfly valve; 9. connecting pipe; 10. filter box; 11. second slide; 12. second slider; 13. groove box; 14. connecting block; 15. filter plate; 16. latch; 17. connecting plate; 18. first two-way threaded rod; 19. second two-way threaded rod; 20. motor; 21. driving gear; 22. driven gear; 23. nut pair; 24. moving plate; 25. arc plate; 26. driving pulley; 27. belt; 28. driven pulley. DETAILED DESCRIPTION

[0032] The following will refer to 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.

[0033] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0034] Reference Figure 1 The utility model is a wafer-type pneumatic butterfly valve, comprising a protection box 1, a protection cover 2 is rotatably connected to the top of the protection box 1, a protection frame 3 is fixedly connected to the front outer wall of the protection box 1, and the pneumatic butterfly valve 8 is protected by the protection cover 2 and the protection box 1.

[0035] Reference Figure 2 , Figure 3 and Figure 4The inner walls on both sides of the protection frame 3 are provided with first slide grooves 4, and the inner walls of the first slide grooves 4 are slidably connected with first sliders 5, and baffles 6 are fixedly connected between the first sliders 5. A sponge pad 7 is arranged at the front end of the baffle 6, and the sponge pad 7 is fixedly connected to the inner wall of the protection frame 3. The external dust and water vapor are blocked by the inclined plate at the front end of the protection frame 3, and the impurities in the water vapor are adsorbed by the internal sponge pad 7, so that air can enter inside, and the pneumatic butterfly valve 8 is protected, heat is dissipated, and the service life is improved. The water generated by the sponge pad 7 is blocked by the baffle 6, and there is a desiccant in the baffle 6. A butterfly valve 8 is arranged inside the protection box 1, and connecting pipes 9 are fixedly connected on both sides of the butterfly valve 8. A filter box 10 is penetrated and fixedly connected inside the right connecting pipe 9, and the filter box A second chute 11 is provided on the inner wall at both ends of 10, and a second slider 12 is slidably connected to the inner wall of the second chute 11, a groove box 13 is fixedly connected between the second sliders 12, a filter plate 15 is fixedly connected inside the groove box 13, and a connecting block 14 is fixedly connected to the left and right sides of the top of the filter box 10, and a plug 16 evenly distributed is slidably connected inside the connecting block 14, and the transported water is filtered through the filter plate 15, and the groove box 13 is taken out through the second chute 11 and the second slider 12, and the filter plate 15 is replaced or cleaned. A sealing gasket is provided on the top of the second slider 12 to prevent leakage of the transported material, and the groove box 13 is controlled by the connecting block 14 and the plug 16 to prevent internal water transport, resulting in excessive water flow, and move the second slider 12 upward.

[0036] Reference Figure 3 and Figure 5, the protection box 1 is provided with an installation assembly including a connecting plate 17, the connecting plate 17 is fixedly connected to the left inner wall of the protection box 1, the front end of the connecting plate 17 is fixedly connected to a motor 20, the output end of the motor 20 is fixedly connected to a driving gear 21, the left side of the protection box 1 is rotatably connected to the inside, the right side of the protection box 1 is rotatably connected to the inside, the middle end outer ring of the first two-way threaded rod 18 is fixedly connected to a driven gear 22, and the driven gear 22 is meshed with the driving gear 21, the front and rear ends of the first two-way threaded rod 18 are both threadedly connected to the outer ring, the bottom of the nut pair 23 is fixedly connected to a moving plate 24, and the opposite side of the moving plate 24 is fixedly connected to an arc plate 25, the rear end outer ring of the first two-way threaded rod 18 is fixedly connected to a driving pulley 26, and the rear end outer ring of the second two-way threaded rod 19 is fixedly connected to a driven pulley Pulley 28, a belt 27 is arranged between the driving pulley 26 and the driven pulley 28, the driving gear 21 is driven to rotate by the motor 20, and the driving gear 21 is meshed with the driven gear 22, so that the first bidirectional threaded rod 18 is rotated, so that the nut pair 23 of the outer ring is moved, and the nut pair 23 is limited by the limiting rod at the bottom, and the limiting rod is fixed to the inner wall of the protection box 1, and the nut pair 23 is guided and limited, so that the movable plate 24 and the arc plate 25 at the front end are moved, and the first bidirectional threaded rod 18 is rotated to drive the driving pulley 26 to rotate, and the driven pulley 28 is driven to rotate by the driving pulley 26 and the belt 27, and the second bidirectional threaded rod 19 is driven to rotate by the driven pulley 28, so as to clamp the pipe at the bottom, facilitate the installation of the pipe, and improve the installation efficiency.

[0037] Working principle: The driving gear 21 is driven to rotate by the motor 20, and the driving gear 21 is meshed with the driven gear 22, so that the first bidirectional threaded rod 18 is rotated, so that the nut pair 23 of the outer ring is moved, and the nut pair 23 is limited by the limit rod at the bottom, and the limit rod is fixed to the inner wall of the protection box 1, and the nut pair 23 is guided and limited, so that the front movable plate 24 and the arc plate 25 are moved, and the first bidirectional threaded rod 18 is rotated to drive the driving pulley 26 to rotate, and the driven pulley 28 is driven to rotate by the driving pulley 26 and the belt 27, and the second bidirectional threaded rod 19 is driven to rotate by the driven pulley 28 to clamp the bottom pipe, so that the pipe can be easily inserted. The installation is carried out to improve the installation efficiency, the transported water is filtered through the filter plate 15, the groove box 13 is taken out through the second slide 11 and the second slider 12, the filter plate 15 is replaced or cleaned, and a sealing gasket is provided on the top of the second slider 12 to prevent leakage of the transported material, and the groove box 13 is controlled by the connecting block 14 and the latch 16 to prevent internal water transport, resulting in excessive water flow, and the second slider 12 is moved upward, and the external dust and water vapor are blocked by the inclined plate at the front end of the protection frame 3, and the impurities in the water vapor are adsorbed by the internal sponge pad 7, so that air can enter, and the pneumatic butterfly valve 8 is protected, heat is dissipated, and the service life is increased, and the water generated by the sponge pad 7 is blocked by the baffle 6.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wafer-type pneumatic butterfly valve, comprising a protection box (1), characterized in that: The top of the protection box (1) is rotatably connected to a protection cover (2); the front outer wall of the protection box (1) is fixedly connected to a protection frame (3); the inner walls on both sides of the left and right sides of the protection frame (3) are provided with first slide grooves (4); the inner walls of the first slide grooves (4) are slidably connected to first sliders (5); baffles (6) are fixedly connected between the first sliders (5); a sponge pad (7) is provided at the front end of the baffle (6); and the sponge pad (7) is fixedly connected to the inner wall of the protection frame (3); a butterfly valve (8) is provided inside the protection box (1). ), the butterfly valve (8) is fixedly connected with a connecting pipe (9) on both the left and right sides, a filter box (10) is passed through and fixedly connected inside the connecting pipe (9) on the right side, a second slide groove (11) is provided on the inner walls at both the front and rear ends of the filter box (10), a second slider (12) is slidably connected to the inner wall of the second slide groove (11), a groove box (13) is fixedly connected between the second sliders (12), a filter screen plate (15) is fixedly connected inside the groove box (13), and a mounting assembly is arranged inside the protection box (1).

2. A wafer-type pneumatic butterfly valve according to claim 1, characterized in that: The mounting assembly comprises a connecting plate (17), the connecting plate (17) being fixedly connected to the left inner wall of the protection box (1), the front end of the connecting plate (17) being fixedly connected to a motor (20), and the output end of the motor (20) being fixedly connected to a driving gear (21).

3. The wafer-type pneumatic butterfly valve according to claim 1, characterized in that: The left and right sides of the top of the filter box (10) are fixedly connected with connection blocks (14), and the connection blocks (14) are slidably connected with evenly distributed latches (16) inside.

4. The wafer-type pneumatic butterfly valve according to claim 2, characterized in that: A first bidirectional threaded rod (18) is rotatably connected to the interior of the left side of the protection box (1), and a second bidirectional threaded rod (19) is rotatably connected to the interior of the right side of the protection box (1).

5. The wafer-type pneumatic butterfly valve according to claim 4, characterized in that: The outer ring at the middle end of the first bidirectional threaded rod (18) is fixedly connected to a driven gear (22), and the driven gear (22) is meshingly connected to the driving gear (21), and the outer rings at both the front and rear ends of the first bidirectional threaded rod (18) are threadedly connected to nut pairs (23).

6. The wafer-type pneumatic butterfly valve according to claim 5, characterized in that: A movable plate (24) is fixedly connected to the bottom of the nut pair (23), and an arc-shaped plate (25) is fixedly connected to the opposite side of the movable plate (24).

7. The wafer-type pneumatic butterfly valve according to claim 4, characterized in that: The rear end outer ring of the first bidirectional threaded rod (18) is fixedly connected to a driving pulley (26), and the rear end outer ring of the second bidirectional threaded rod (19) is fixedly connected to a driven pulley (28).

8. The wafer-type pneumatic butterfly valve according to claim 7, characterized in that: A belt (27) is arranged between the driving pulley (26) and the driven pulley (28).

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