Electric blind plate valve

Abstract

The utility model relates to an electric blind plate valve, which belongs to the technical field of blind plate valves and comprises an integral frame and a valve plate, the integral frame is rotatably connected with the valve plate, hard sealing rings are mounted on two sides of the valve plate, and the hard sealing rings are in threaded connection with the valve plate; a corrugated pipe moving body is arranged on the integral frame; a walking plate device assembly and a clamping device assembly are further arranged on one side of the overall frame, the walking plate device assembly is used for driving the valve plate to rotate so as to control the valve to be opened or closed, and the clamping device assembly is used for enabling the overall frame to clamp or loosen the valve plate; the hard sealing ring is adopted, the valve can be used in a high-temperature environment and is not prone to damage, the hard sealing ring and the valve plate are in threaded connection, installation and detachment are convenient, the corrugated pipe and the valve frame are of an integrated structure, and the corrugated pipe is not prone to damage after being used for a long time.

Description

Technical Field

[0001] The utility model relates to an electric blind plate valve, belonging to the technical field of blind plate valves. Background Art

[0002] Electric blind plate valve is a valve that uses an electric actuator to control the movement of the valve plate. It is mainly used to control the flow and cutoff of materials. Electric blind plate valves are widely used in material conveying systems in building materials, metallurgy, chemical industry, electric power and other industries.

[0003] The electric blind plate valves on the market have the following main defects:

[0004] 1. The sealing ring of the existing electric blind plate valve is made of rubber material, which is not resistant to high temperature. In a high temperature environment, the sealing ring is easily damaged, resulting in valve leakage;

[0005] 2. The sealing ring of the existing electric blind plate valve is fixed in an embedded manner, which is inconvenient to install and disassemble;

[0006] 3. When the existing electric blind valve is in use, the bellows is installed on the outside of the valve frame. The bellows and the valve frame are split structures, which may easily lead to damage to the bellows after long-term use. Utility Model Content

[0007] In view of the above deficiencies in the prior art, the technical problem to be solved by the utility model is: to provide an electric blind plate valve, which adopts a hard sealing form, the sealing ring is fixed by bolts, which is convenient for disassembly, and the valve adopts an integrated structure of a bellows and a valve frame, and the bellows is not easily damaged after long-term use.

[0008] The electric blind plate valve described in the utility model comprises an integral frame and a valve plate, the integral frame is rotatably connected to the valve plate, hard sealing rings are installed on both sides of the valve plate, and the hard sealing rings are threadedly connected to the valve plate; a bellows movable body is provided on the integral frame; a plate walking device assembly and a clamping device assembly are also provided on one side of the integral frame, the plate walking device assembly is used to drive the valve plate to rotate, thereby controlling the valve to open or close, and the clamping device assembly is used to clamp or loosen the valve plate by the integral frame.

[0009] The technical solution of the utility model is to provide an electric blind plate valve, which adopts a hard sealing ring, and the hard sealing ring is threadedly connected to the valve plate, which is convenient for installation and disassembly; the overall frame and the bellows movable body are an integrated structure to avoid damage to the bellows due to long-term use.

[0010] Preferably, the overall frame includes a fixed seat and a movable seat, and the bellows movable body is installed between the fixed seat and the movable seat.

[0011] Preferably, multiple sets of screw-nut assemblies are installed on the fixed seat and the movable seat, the screw-nut assemblies are transmission-connected to the clamping device assembly, and the screw-nut assemblies are used to change the spacing between the fixed seat and the movable seat; the screw-nut assembly includes a screw, a nut seat and a bearing seat, the nut seat is installed on the movable seat, the bearing seat is installed on the fixed seat, one end of the screw is rotatably connected to the bearing seat, and the other end of the screw is threadedly connected to the nut seat.

[0012] Preferably, the screw rod is screw rod A, screw rod A is sleeved with a sprocket, and each screw rod and nut assembly is connected by a sprocket chain assembly.

[0013] Preferably, the bottom of the valve plate is provided with teeth, and the plate-moving device assembly is provided with a gear, which meshes with the teeth at the bottom of the valve plate, thereby driving the valve plate to rotate.

[0014] In addition, the screw rod is screw rod B, and the two screw rods B closest to the clamping device assembly are equipped with swing arms A, and the remaining screw rods B are equipped with swing arms B. Adjacent swing arms are rotatably connected by short connecting rods; the clamping device assembly is rotatably connected to the swing arms A and B at the bottom by a long connecting rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The electric blind plate valve described in the utility model adopts a hard sealing ring, so that the valve can be used in a high temperature environment without being easily damaged;

[0017] 2. The electric blind plate valve described in the utility model has a hard sealing ring and a valve plate in a threaded connection form, which is convenient for installation and disassembly;

[0018] 3. The electric blind plate valve described in the utility model adopts an integrated structure of a bellows and a valve frame, and the bellows is not easily damaged after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a front view of the first embodiment;

[0020] Figure 2 is a partial cross-sectional view of the left side view of the first embodiment;

[0021] Figure 3 is a front view of the second embodiment;

[0022] Figure 4 It is a partial sectional view of the left view of the second embodiment.

[0023] In the figure: 1. overall frame; 2. sprocket chain assembly; 3. walking device assembly; 4. clamping device assembly; 5. valve plate; 6. hard sealing ring; 7. movable seat; 8. bellows movable body; 9. screw nut assembly; 10. nut seat; 11. bearing seat; 12. screw A; 13. fixed seat; 14. swing arm B; 15. short connecting rod; 16. long connecting rod; 17. swing arm A; 18. screw B. DETAILED DESCRIPTION

[0024] Embodiment 1

[0025] like Figures 1-2 As shown, this embodiment is implemented through the following technical scheme: it includes an overall frame 1 and a valve plate 5, the overall frame 1 is rotatably connected to the valve plate 5, hard sealing rings 6 are installed on both sides of the valve plate 5, and the hard sealing rings 6 are threadedly connected to the valve plate 5; the hard sealing rings 6 are graphite winding pads with metal outer rings; a bellows movable body 8 is provided on the overall frame 1; a plate walking device assembly 3 and a clamping device assembly 4 are also provided on one side of the overall frame 1, the plate walking device assembly 3 is used to drive the valve plate 5 to rotate, thereby controlling the valve to open or close, and the clamping device assembly 4 is used to clamp or loosen the valve plate by the overall frame 1.

[0026] In this embodiment, the overall frame 1 includes a fixed seat 13 and a movable seat 7, and the bellows movable body 8 is installed between the fixed seat 13 and the movable seat 7. Multiple sets of screw nut assemblies 9 are installed on the fixed seat 13 and the movable seat 7. The screw nut assembly 9 is transmission-connected with the clamping device assembly 4, and the screw nut assembly 9 is used to change the spacing between the fixed seat 13 and the movable seat 7; the screw nut assembly 9 includes a screw, a nut seat 10 and a bearing seat 11, the nut seat 10 is installed on the movable seat 7, and the bearing seat 11 is installed on the fixed seat 13. One end of the screw is rotatably connected with the bearing seat 11, and the other end of the screw is threadedly connected with the nut seat 10. The screw is a screw A12, and a sprocket is sleeved on the screw A12. The screw nut assemblies 9 are connected by a sprocket chain assembly 2. The bottom of the valve plate 5 is provided with teeth, and the plate-walking device assembly 3 is provided with gears, which mesh with the teeth at the bottom of the valve plate, thereby driving the valve plate 5 to rotate.

[0027] The method of using the utility model is as follows: when the valve is opened or closed, the clamping device assembly 4 drives the screw rod A12 to rotate through the sprocket chain assembly 2, so that the movable seat 7 moves toward the fixed seat 13, the bellows movable body 8 is compressed, and the gap between the valve plate 5 and the overall frame 1 increases; then the plate walking device assembly 3 drives the valve plate 5 to rotate, so that the valve is opened or closed.

[0028] Embodiment 2

[0029] like Figures 3-4As shown, the screw rod is screw rod B18, and the two screw rods B closest to the clamping device assembly 4 are equipped with swing arms A17, and the remaining screw rods B are equipped with swing arms B14. The adjacent swing arms are rotatably connected by a short connecting rod 15; the clamping device assembly 4 is rotatably connected to the bottom swing arm A17 and the swing arm B14 through a long connecting rod 16.

[0030] The other structures of the second embodiment are the same as those of the first embodiment.

Claims

1. An electric blind plate valve, characterized in that: The invention comprises an integral frame (1) and a valve plate (5), wherein the integral frame (1) is rotatably connected to the valve plate (5), hard sealing rings (6) are installed on both sides of the valve plate (5), and the hard sealing rings (6) are threadedly connected to the valve plate (5); a bellows movable body (8) is arranged on the integral frame (1); and a plate-walking device assembly (3) and a clamping device assembly (4) are also arranged on one side of the integral frame (1).

2. The electric blind plate valve according to claim 1, characterized in that: The overall frame (1) comprises a fixed seat (13) and a movable seat (7), and the bellows movable body (8) is installed between the fixed seat (13) and the movable seat (7).

3. The electric blind plate valve according to claim 2, characterized in that: A plurality of sets of screw nut assemblies (9) are installed on the fixed seat (13) and the movable seat (7), and the screw nut assemblies (9) are transmission-connected to the clamping device assembly (4); the screw nut assembly (9) comprises a screw, a nut seat (10) and a bearing seat (11), the nut seat (10) is installed on the movable seat (7), the bearing seat (11) is installed on the fixed seat (13), one end of the screw is rotationally connected to the bearing seat (11), and the other end of the screw is threadedly connected to the nut seat (10).

4. The electric blind plate valve according to claim 3, characterized in that: The screw rod is a screw rod A (12), a sprocket is sleeved on the screw rod A (12), and each screw rod nut assembly (9) is connected via a sprocket chain assembly (2).

5. The electric blind plate valve according to claim 1, characterized in that: The bottom of the valve plate (5) is provided with teeth, and the plate-walking device assembly (3) is provided with a gear, which meshes with the teeth at the bottom of the valve plate (5).

6. The electric blind plate valve according to claim 3, characterized in that: The screw rod is a screw rod B (18), and the two screw rods B closest to the clamping device assembly (4) are equipped with swing arms A (17), and the remaining screw rods B are equipped with swing arms B (14), and the adjacent swing arms are rotatably connected through a short connecting rod (15); the clamping device assembly (4) is rotatably connected to the swing arms A and B at the bottom through a long connecting rod (16).

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