Air locking valve device for discharging opening air leakage

Abstract

The utility model provides an airlock valve device with an air leakage discharge port, which relates to the technical field of airlock valves and comprises a valve body, a valve plate is fixedly mounted in the valve body, a discharge port is arranged on one side of the surface of the valve plate, and two rails which are symmetrically arranged relative to the discharge port are arranged on one side of the valve plate, which is positioned at the discharge port of the valve body. A sealing plate is clamped between the two rails, the surface of the sealing plate is in sliding connection with the surface, located on one side of the discharging port of the valve body, of the valve plate, the sealing plate is used for controlling opening and closing of the discharging port, the sealing plate moves through stretching and retracting of the electric push rod, and it is guaranteed that the sealing plate can only slide tightly attached to the lower surface of the valve plate through the arranged rails; therefore, when the electric push rod extends to move the sealing plate to close the discharging opening, the bottom edge of the inner wall of the discharging opening can be used for scraping materials accumulated on the upper surface of the sealing plate, and closing of the sealing plate cannot be affected.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lock air valve technical field especially relates to a lock air valve device of blanking mouth air leakage. BACKGROUND

[0002] The lock air valve controls the flow of fluid by rotating the valve, when the valve is in the closed state, a sealed space is formed between the valve and the valve seat, preventing fluid flow; when the valve is in the open state, fluid can flow through the space between the valve and the valve seat, commonly used in the blanking mouth of the equipment.

[0003] For example, a lock air valve device for solving the air leakage of the coal mill belt scale blanking mouth in the prior art, the publication number is: CN220950247U, the driving motor drives the threaded rod to rotate, the threaded rod drives the moving block to move in the sliding groove, the moving block moves under the transmission of the movable plate, the baffle starts to rotate and separates from the fixed plate, controls the opening angle of the baffle, adjusts the material blanking speed, the material falls on the inclined plate under the action of the trapezoidal block, under the action of gravity, extrudes the windproof plate, makes the windproof plate rotate and open, after the material passes, under the gravity of the windproof plate itself, reseals the inside of the blanking pipe, reduces the heat loss.

[0004] But when the baffle is opened, a triangular space will be formed between the rotating edge and the bottom surface of the guide block, and a part of the material will enter the triangular space, so when the baffle is closed, the material in the space may hinder the normal closing of the baffle. INVENTION CONTENTS

[0005] The utility model aims at solving the problems in the prior art and provides a lock air valve device for solving the air leakage of the blanking mouth.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lock air valve device for solving the air leakage of the blanking mouth, comprising a valve body, a valve plate is fixedly installed in the valve body, a discharge port is formed on one side of the surface of the valve plate, and two tracks symmetrically arranged about the discharge port are arranged on the side of the valve plate located at the discharge port of the valve body, a sealing plate is clamped between the two tracks, the surface of the sealing plate is slidingly connected with the surface of the valve plate located at the discharge port of the valve body and is used for controlling the opening and closing of the discharge port, the inner side edge of the discharge port is gap-fitted with the inner wall of the valve body, and an electric push rod is fixedly connected with the inner wall of the valve body and is connected with the side edge of the sealing plate and arranged parallel to the track.

[0007] Preferably, the electric push rod is located on the side of the valve plate close to the discharge port of the valve body and is arranged between the two tracks.

[0008] Preferably, a deceleration plate is fixedly connected to the inner wall of one side of the valve body below the valve plate. The deceleration plate is located directly below the discharge port and is rotatably connected to a windbreak plate on one side of the deceleration plate near the center of the valve body.

[0009] Preferably, a baffle is fixedly connected to the inner wall of the valve body on one side relative to the speed reducer, the baffle is located below the speed reducer, the surface of the baffle is inclined and the bottom edge of the inclined surface overlaps with the swinging edge of the windproof plate.

[0010] Preferably, a connecting arm is fixedly connected to the middle position of the upper surface of the wind shield, one side of the connecting arm extends to above the speed reducer, and the inner wall of one side of the valve body is rotatably connected to a pressure arm between the speed reducer and the discharge port, and an elastic rope is connected between the swing end of the pressure arm and the inner wall of the valve body, and the swing edge of the pressure arm is overlapped on one end of the connecting arm.

[0011] Preferably, a push arm is fixedly connected to the rotation point of the pressure arm, and the push arm extends toward the valve plate. An extension plate that contacts the push arm is fixedly connected to one side of the bottom surface of the sealing plate and extends downward.

[0012] Preferably, the push arm and the pressure arm are both columnar, and the top edge of the connecting arm is inclined.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the present invention, the movement of the sealing plate is achieved by extending and retracting the electric push rod, and the provided track is used to ensure that the sealing plate can only slide close to the lower surface of the valve plate. Therefore, when the electric push rod is extended to move the sealing plate to close the discharge port, the bottom edge of the inner wall of the discharge port can be used to scrape off the material accumulated on the upper surface of the sealing plate, which will not affect the closing of the sealing plate.

[0015] 2. In the utility model, when the sealing plate moves to open, the extension plate loses its resistance to the push arm, which can ensure that the pressure arm swings down under the elastic contraction of the elastic rope. The swinging of the pressure arm pushes the swinging of the connecting arm to realize the swinging and rotating opening of the windbreak, and then the material falling on the deceleration plate slides down through the upper surface of the windbreak and falls through the opened windbreak. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the three-dimensional structure of an air-locking valve device for air leakage at a feed opening proposed by the utility model;

[0017] Figure 2 This utility model proposes a lock valve device for air leakage at the feed opening Figure 1 Schematic diagram of the cross-sectional structure;

[0018] Figure 3 This utility model proposes a lock valve device for air leakage at the feed opening Figure 2Schematic diagram of the structure viewed from above;

[0019] Figure 4 This utility model proposes a lock valve device for air leakage at the feed opening Figure 2 Schematic diagram of the front view structure.

[0020] Legend: 1. Valve body; 2. Valve plate; 3. Discharge port; 4. Sealing plate; 5. Electric push rod; 6. Track; 7. Wind shield; 8. Speed ​​brake; 9. Baffle; 10. Connecting arm; 11. Extension plate; 12. Push arm; 13. Press arm; 14. Elastic rope. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] like Figure 1-4 As shown, a lock valve device for air leakage at the discharge port includes a valve body 1, a valve plate 2 is fixedly installed in the valve body 1, a discharge port 3 is opened on one side of the surface of the valve plate 2, and the valve plate 2 is located on the side of the discharge port of the valve body 1 and has two tracks 6 symmetrically arranged about the discharge port 3. A sealing plate 4 is clamped between the two tracks 6. The two tracks 6 ensure that the sealing plate 4 can only slide closely against the lower surface of the valve plate 2. The surface of the sealing plate 4 is slidably connected to the surface of the valve plate 2 on the side of the discharge port of the valve body 1 and is used to control the switch of the discharge port 3. There is a gap between the inner side of the discharge port 3 and the inner wall of the valve body 1. In coordination, the inner wall of the valve body 1 is fixedly connected with an electric push rod 5 which is arranged parallel to the track 6 and connected to the side of the sealing plate 4. The electric push rod 5 is located on the side of the valve plate 2 close to the discharge port of the valve body 1 and is arranged between the two tracks 6. The electric push rod 5 can be used to extend and retract the sealing plate 4 relative to the discharge port 3. Therefore, the opening degree of the discharge port 3 can be controlled by moving the sealing plate 4, which facilitates the control of the discharge amount. When the sealing plate 4 moves to close the discharge port 3, the bottom edge of the inner wall of the discharge port 3 can be used to scrape off the material accumulated on the upper surface of the sealing plate 4, which will not affect the closing of the sealing plate 4.

[0024] Further: the inner wall of one side of the valve body 1 is fixedly connected to a deceleration plate 8 below the valve plate 2 to ensure that the material falling from the discharge port 3 will not fall directly. The deceleration plate 8 is used as an obstacle to reduce the falling speed of the material to prevent the falling impact force from being too large to stir up dust. The deceleration plate 8 is located directly below the discharge port 3 and is rotatably connected to a windproof plate 7 on one side of the deceleration plate 8 close to the center of the valve body 1. A baffle 9 is fixedly connected to the inner wall of the side of the valve body 1 relative to the deceleration plate 8. The baffle 9 is located below the deceleration plate 8, and the surface of the baffle 9 is inclined. The surface is set and the bottom edge of the inclined surface overlaps the swinging edge of the windproof plate 7. By increasing the weight of the windproof plate 7, the windproof plate 7 is prevented from automatically opening due to wind blowing. A connecting arm 10 is fixedly connected to the middle position of the upper surface of the windproof plate 7. One side of the connecting arm 10 extends to the top of the deceleration plate 8. The inner wall of one side of the valve body 1 is located between the deceleration plate 8 and the discharge port 3 and is rotatably connected to a pressure arm 13. An elastic rope 14 is connected between the swinging end of the pressure arm 13 and the inner wall of the valve body 1, and the swinging edge of the pressure arm 13 is overlapped at one end of the connecting arm 10. Figure 4 As shown, the elastic rope 14 is in a fully elastically extended state. Therefore, after the pressure arm 13 loses its pulling force, the elastic contraction of the elastic rope 14 is used to realize the downward swing of the pressure arm 13, and the downward swing of the pressure arm 13 pushes the connecting arm 10 to swing down, so that the windbreak plate 7 can be swung up and rotated to open, and then the material falling on the deceleration plate 8 slides down through the upper surface of the windbreak plate 7 and falls through the opened windbreak plate 7. The rotation point of the pressure arm 13 is fixedly connected to the push arm 12, and the push arm 12 extends toward the valve plate 2, and one side of the bottom surface of the sealing plate 4 is extended downward and fixedly connected to the extension plate 11 that contacts the push arm 12. The push arm 12 and the pressure arm 13 are both columnar, and the top edge of the connecting arm 10 is inclined. The extension plate 11 on the sealing plate 4 in the closed state contacts the push arm 12, which can ensure that the pressure arm 13 connected to the push arm 12 remains as Figure 4 In the state shown, when the closing plate 4 moves to open, the extension plate 11 loses its resistance to the push arm 12, which ensures that the pressure arm 13 can swing down under the elastic contraction of the elastic rope 14.

[0025] Working principle: during unloading, the electric push rod 5 contracts to realize the movement and opening of the closing plate 4, and then the movement of the extension plate 11. When the closing plate 4 moves and opens, the extension plate 11 loses its resistance to the push arm 12, which can ensure that the pressure arm 13 swings down under the elastic contraction of the elastic rope 14. The swing of the pressure arm 13 pushes the connecting arm 10 to swing down, so that the windbreak plate 7 can be swung up and rotated to open. The material falling through the opened unloading port 3 falls on the deceleration plate 8. After deceleration, the material slides down through the upper surface of the windbreak plate 7 and falls through the opened windbreak plate 7.

[0026] The wiring diagram of the electric push rod 5 in the present invention is common knowledge in the art, and its working principle is a well-known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the electric push rod 5 are not explained in detail.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A lock valve device for air leakage at a feed opening, comprising a valve body (1), characterized in that: A valve plate (2) is fixedly installed in the valve body (1), a discharge port (3) is provided on one side of the surface of the valve plate (2), and two tracks (6) symmetrically arranged about the discharge port (3) are provided on the valve plate (2) located on the side of the discharge port of the valve body (1), a sealing plate (4) is clamped between the two tracks (6), the surface of the sealing plate (4) is slidably connected to the surface of the valve plate (2) located on the side of the discharge port of the valve body (1) and is used to control the opening and closing of the discharge port (3), the inner side edges around the discharge port (3) are clearance-matched with the inner walls around the valve body (1), and the inner side wall of the valve body (1) is fixedly connected with an electric push rod (5) arranged parallel to the track (6) and connected to the side edge of the sealing plate (4).

2. The air-locking valve device for preventing air leakage at the feed opening according to claim 1, characterized in that: The electric push rod (5) is located on the valve plate (2) near the discharge port of the valve body (1) and is arranged between the two rails (6).

3. The air-locking valve device for preventing air leakage at the feed opening according to claim 1, characterized in that: A deceleration plate (8) is fixedly connected to the inner wall of one side of the valve body (1) below the valve plate (2). The deceleration plate (8) is located directly below the discharge port (3) and is rotatably connected to a windbreak plate (7) on one side of the deceleration plate (8) near the center of the valve body (1).

4. The air-locking valve device for preventing air leakage at the feed opening according to claim 3, characterized in that: A baffle (9) is fixedly connected to the inner wall of one side of the valve body (1) relative to the deceleration plate (8), and the baffle (9) is located below the deceleration plate (8). The surface of the baffle (9) is arranged as an inclined surface, and the bottom edge of the inclined surface overlaps the swinging edge of the windproof plate (7).

5. The air-locking valve device for preventing air leakage at the feed opening according to claim 4, characterized in that: A connecting arm (10) is fixedly connected to the middle position of the upper surface of the windproof plate (7), and one side of the connecting arm (10) extends to the top of the deceleration plate (8). The inner wall of one side of the valve body (1) is located between the deceleration plate (8) and the discharge port (3) and is rotatably connected to a pressure arm (13). An elastic rope (14) is connected between the swing end of the pressure arm (13) and the inner wall of the valve body (1), and the swing edge of the pressure arm (13) is overlapped on one end of the connecting arm (10).

6. The air-locking valve device for preventing air leakage at the feed opening according to claim 5, characterized in that: The rotation point of the pressure arm (13) is fixedly connected to a push arm (12), and the push arm (12) extends toward the valve plate (2). One side of the bottom surface of the sealing plate (4) extends downward and is fixedly connected to an extension plate (11) that contacts the push arm (12).

7. The air-locking valve device for preventing air leakage at the feed opening according to claim 6, characterized in that: The push arm (12) and the pressure arm (13) are both arranged in a columnar shape, and the top edge of the connecting arm (10) is arranged in an inclined surface.

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