Double-clip type soft sealing pneumatic butterfly valve

Abstract

The utility model belongs to the technical field of butterfly valves, and particularly relates to a wafer type soft sealing pneumatic butterfly valve which comprises a valve body, a pneumatic actuator is fixedly installed in the middle of the top of the valve body, connecting sleeves are fixedly installed on the left side and the right side of the valve body respectively, and air pipes are fixedly installed on the front sides and the rear sides of the left face and the right face of the pneumatic actuator respectively. A controller is fixedly installed on the back face of the pneumatic actuator, a battery box is fixedly installed on the back face of the valve body, and a storage battery is fixedly installed in the battery box. The pneumatic actuator can drive the movable rod to rotate, when the butterfly plate is transversely arranged, the butterfly valve is in a closed state, when the butterfly plate is vertically arranged, the butterfly valve is in an open state, the rotating disc can also drive the movable rod and the butterfly plate to rotate, and the pneumatic actuator provides rapid and accurate automatic control. The manual mode realizes fine operation under debugging, overhauling or special working conditions, and the operation stability of the device can be enhanced through complementation of the two modes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to butterfly valve technical field, concretely relates to a pair of clamping type soft seal pneumatic butterfly valve. BACKGROUND

[0002] The butterfly valve is also called flap valve, it is a simple structure regulating valve, can be used for low pressure pipeline medium switch control butterfly valve is to refer to the closing piece (valve lobe or butterfly plate) for disc, rotates around the valve shaft to reach the opening and closing of a kind of valve. The valve can be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive medium and various types of fluid flow. On the pipeline, mainly plays the role of cutting and throttling. The butterfly valve is a disc-shaped butterfly plate, which rotates around its own axis in the valve body, so as to achieve the purpose of opening and closing or adjusting.

[0003] When the butterfly valve is used, the closure and opening of the butterfly valve are generally controlled by the pneumatic actuator. However, when the pneumatic actuator leaks or loses power, the butterfly valve may not be able to close or open, which has certain limitations in actual use. The problem addressed by the present device is how to avoid the butterfly valve from being unable to function normally when the pneumatic actuator is damaged. UTILITY MODEL CONTENTS

[0004] To solve the problems raised in the above background art, the utility model provides a pair of clamping type soft seal pneumatic butterfly valve, which solves the problem of how to avoid the butterfly valve from being unable to function normally when the pneumatic actuator is damaged.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a pair of clamping type soft seal pneumatic butterfly valve, including valve body, the middle of the top of valve body is fixedly installed with pneumatic actuator, the left and right sides of valve body are fixedly installed with connecting sleeve, the front and back sides of the left and right sides of pneumatic actuator are fixedly installed with air pipe, the back of pneumatic actuator is fixedly installed with controller, the back of valve body is fixedly installed with battery box, the inside of battery box is fixedly installed with storage battery, the surface of battery box is slidably installed with sliding plate, the surface of sliding plate is provided with sliding groove, the inside of pneumatic actuator is movably installed with movable rod, the lower side of movable rod is fixedly installed with butterfly plate, the surface of butterfly plate is fixedly installed with closing ring, and butterfly plate and closing ring are arranged in the inside of valve body, the top end of movable rod is fixedly installed with rotating disc, the periphery of rotating disc surface is fixedly installed with silica gel pipe, and the controller is electrically connected with pneumatic actuator, and the controller is electrically connected with storage battery.

[0006] Preferably, one side of the inside of the connecting sleeve is fixedly installed with a rubber ring, and one side of the inner wall of the connecting sleeve is fixedly installed with a sealing ring, and the sealing ring and the rubber ring are both annular.

[0007] Preferably, the surface of the trachea is fixedly installed with a mounting block, and the surface of the mounting block is concave-convex.

[0008] Preferably, the middle of the bottom of the valve body is fixedly installed with a connecting box, the bottom of the connecting box is fixedly installed with a connecting cylinder, and the valve body, the connecting box and the connecting cylinder are in communication with each other.

[0009] Preferably, the bottom of the connecting cylinder is movably installed with a connecting disc, the bottom of the connecting disc is provided with a hexagonal bolt, and the hexagonal bolt is in threaded connection with the bottom of the connecting cylinder.

[0010] Preferably, the outer side of the connecting sleeve is fixedly installed with a connecting ring, the surface of the connecting ring is provided with connecting holes, a plurality of connecting holes are arranged on the surface of the connecting ring in a circumferential direction.

[0011] Preferably, the front surface of the pneumatic actuator is installed with a movable plate, the surface of the movable plate is provided with a mounting screw, and the mounting screw is in threaded connection with the front surface of the pneumatic actuator.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The pneumatic actuator can drive the movable rod to rotate, when the butterfly plate is horizontally arranged, the butterfly valve is in a closed state, when the butterfly plate is vertically arranged, the butterfly valve is in an open state, the rotating disc can drive the movable rod and the butterfly plate to rotate, the pneumatic actuator provides quick and accurate automatic control, the manual mode realizes fine operation under debugging, maintenance or special working conditions, and the two modes are complementary to enhance the running stability of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute a limitation on the utility model. In the drawings:

[0015] Figure 1 It is the first kind of solid structure diagram of the utility model;

[0016] Figure 2 It is the second kind of solid structure diagram of the utility model;

[0017] Figure 3 It is the utility model Figure 2 It is the enlarged schematic view of A in the middle;

[0018] Figure 4 It is the internal section view of the valve body of the utility model.

[0019] In the figure: 1, valve body; 2, sealing ring; 3, rubber ring; 4, air pipe; 5, pneumatic actuator; 6, movable plate; 7, connecting hole; 8, connecting ring; 9, connecting sleeve; 10, connecting box; 11, rotating disc; 12, battery box; 13, controller; 14, silica gel pipe; 15, sliding plate; 16, sliding groove; 17, connecting cylinder; 18, connecting disc; 19, hexagonal bolt; 20, movable rod; 21, butterfly plate; 22, sealing ring; 23, mounting block; 24, mounting screw. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Please refer to Figures 1-4 The utility model provides the following technical scheme: a pair of soft sealing pneumatic butterfly valve, including valve body 1, the middle of valve body 1 top is fixedly installed with pneumatic actuator 5, and the left and right sides of valve body 1 are fixedly installed with connecting sleeve 9, and the front and back sides of the left and right sides of pneumatic actuator 5 are fixedly installed with air pipe 4, and the back of pneumatic actuator 5 is fixedly installed with controller 13, and the back of valve body 1 is fixedly installed with battery box 12, and the inside of battery box 12 is fixedly installed with battery, and the surface of battery box 12 is slidably installed with sliding plate 15, and the surface of sliding plate 15 is provided with sliding groove 16, and the inside of pneumatic actuator 5 is movably installed with movable rod 20, and the lower side of movable rod 20 is fixedly installed with butterfly plate 21, and the surface of butterfly plate 21 is fixedly installed with sealing ring 22, and butterfly plate 21 and sealing ring 22 are arranged in the inside of valve body 1, and the top of movable rod 20 is fixedly installed with rotating disc 11, and the periphery of rotating disc 11 is fixedly installed with silica gel pipe 14, and controller 13 is electrically connected with pneumatic actuator 5, and controller 13 is electrically connected with battery.

[0022] The butterfly valve is in the closed state when the butterfly plate 21 is in the transverse arrangement, and is in the open state when the butterfly plate 21 is in the vertical arrangement, and the rotary disc 11 can drive the movable rod 20 and the butterfly plate 21 to rotate, the pneumatic actuator 5 provides rapid and accurate automatic control, and the manual mode realizes fine operation in debugging, maintenance or special working conditions, and the complementation of the two can enhance the stability of the device operation, and the setting of the closed ring 22 can ensure the sealing performance of the butterfly valve in the closed state, and the setting of the silica gel tube 14 can make the surface of the rotary disc 11 more comfortable to hold, and the setting of the battery box 12 can facilitate the installation of the battery, and the sliding plate 15 can be easily removed by being removed, and the sliding groove 16 can facilitate the removal of the sliding plate 15, and the setting of the controller 13 and the electrical connection of the controller 13 with the pneumatic actuator 5 can facilitate the control of the running state of the pneumatic actuator 5, and the hexagonal bolt 19 can be easily removed to facilitate the removal of the connecting disc 18, so that the lubricating grease can be applied to the inside of the connecting box 10 and the connecting cylinder 17, which is conducive to reducing the friction of the movable rod 20, and since the hexagonal bolt 19 is provided with a plurality of hexagonal bolts 19, the sealing performance between the connecting disc 18 and the connecting cylinder 17 can be ensured, and the problem of lubricating grease dripping can be avoided, which is conducive to improving the functionality and practicability of the device, and the setting of the connecting sleeve 9 can facilitate the installation and connection of the pipeline and the valve body 1, and the setting of the sealing ring 2 and the rubber ring 3 can ensure the sealing performance between the pipeline and the connecting sleeve 9 to avoid leakage, and the setting of the mounting block 23 can facilitate the connection of the air pipe 4 and the air supply structure, and since the mounting block 23 is concave-convex, the mounting block 23 can make the air pipe 4 and the air supply structure more firmly connected, which is conducive to providing power source for the pneumatic actuator 5, and the setting of the connecting ring 8 and the connecting hole 7 can make the pipeline more reliably connected with the connecting sleeve 9, and the removal of the mounting screw 24 can facilitate the removal of the movable plate 6, which can facilitate the maintenance and repair of the inside of the pneumatic actuator 5, and all electrical equipment in the device is powered by the built-in battery.

[0023] In one aspect of the embodiment, the setting of the connecting sleeve 9 can facilitate the installation and connection of the pipeline and the valve body 1, and the setting of the sealing ring 2 and the rubber ring 3 can ensure the sealing performance between the pipeline and the connecting sleeve 9 to avoid leakage, and the setting of the mounting block 23 can facilitate the connection of the air pipe 4 and the air supply structure, and since the mounting block 23 is concave-convex, the mounting block 23 can make the air pipe 4 and the air supply structure more firmly connected, which is conducive to providing power source for the pneumatic actuator 5.

[0024] In one aspect of the embodiment, the connecting plate 18 can be conveniently detached by unscrewing the hexagonal bolts 19, so that the interior of the connecting box 10 and the connecting cylinder 17 can be conveniently coated with lubricating grease, which is conducive to reducing the friction of the movable rod 20, and since the hexagonal bolts 19 are provided in plurality, the sealing between the connecting plate 18 and the connecting cylinder 17 can be ensured, the problem of lubricating grease dripping can be avoided, and the functionality and practicability of the device can be improved.

[0025] In one aspect of the embodiment, the connecting ring 8 and the connecting holes 7 are provided, and since the plurality of connecting holes 7 are circumferentially arranged on the surface of the connecting ring 8, the pipe can be more reliably connected with the connecting sleeve 9, and the movable plate 6 can be conveniently detached by unscrewing the mounting screws 24, so that the interior of the pneumatic actuator 5 can be conveniently repaired or maintained.

[0026] Finally, it should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or equivalently replace some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A wafer-type soft-seal pneumatic butterfly valve, comprising a valve body (1), characterized in that: A pneumatic actuator (5) is fixedly installed at the center of the top of the valve body (1). Connecting sleeves (9) are fixedly installed on both the left and right sides of the valve body (1). Air pipes (4) are fixedly installed on the front and rear sides of the left and right sides of the pneumatic actuator (5). A controller (13) is fixedly installed on the back of the pneumatic actuator (5). A battery box (12) is fixedly installed on the back of the valve body (1). A storage battery is fixedly installed inside the battery box (12). A sliding plate (15) is slidably installed on the surface of the battery box (12). A sliding groove is provided on the surface of the sliding plate (15). 16) A movable rod (20) is movably installed inside the pneumatic actuator (5). A butterfly plate (21) is fixedly installed on the lower side of the movable rod (20). A sealing ring (22) is fixedly installed on the surface of the butterfly plate (21). Both the butterfly plate (21) and the sealing ring (22) are located inside the valve body (1). A rotating disk (11) is fixedly installed at the top of the movable rod (20). Silicone tubes (14) are fixedly installed around the surface of the rotating disk (11). The controller (13) is electrically connected to the pneumatic actuator (5) and to the battery.

2. The wafer-type soft-seal pneumatic butterfly valve according to claim 1, characterized in that: A rubber ring (3) is fixedly installed on one side inside the connecting sleeve (9), and a sealing ring (2) is fixedly installed on one side of the inner wall of the connecting sleeve (9). Both the sealing ring (2) and the rubber ring (3) are annular.

3. The wafer-type soft-seal pneumatic butterfly valve according to claim 1, characterized in that: The surface of the trachea (4) is fixedly mounted with an installation block (23), and the surface of the installation block (23) is concave and convex.

4. The wafer-type soft-seal pneumatic butterfly valve according to claim 1, characterized in that: A connecting box (10) is fixedly installed in the middle of the bottom of the valve body (1), and a connecting cylinder (17) is fixedly installed at the bottom of the connecting box (10), and the valve body (1), the connecting box (10) and the connecting cylinder (17) are interconnected.

5. A wafer-type soft-seal pneumatic butterfly valve according to claim 4, characterized in that: A connecting plate (18) is movably installed at the bottom of the connecting cylinder (17), and a hexagonal bolt (19) is provided at the bottom of the connecting plate (18), and the hexagonal bolt (19) is threadedly connected to the bottom of the connecting cylinder (17).

6. A wafer-type soft-seal pneumatic butterfly valve according to claim 1, characterized in that: A connecting ring (8) is fixedly installed on the outside of the connecting sleeve (9). The surface of the connecting ring (8) is provided with connecting holes (7), and there are multiple connecting holes (7), which are arranged in a circular pattern on the surface of the connecting ring (8).

7. A wafer-type soft-seal pneumatic butterfly valve according to claim 1, characterized in that: A movable plate (6) is mounted on the front of the pneumatic actuator (5), and a mounting screw (24) is provided on the surface of the movable plate (6), and the mounting screw (24) is threadedly connected to the front of the pneumatic actuator (5).

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