All-metal plug-in valve

Abstract

The utility model discloses a full metal gate valve, including the valve body, the vertical setting in the valve body top and with the valve body through the cylinder to valve plate that the vertical removal is arranged in the valve body, drive connection is carried out between the cylinder and valve plate, and the cylinder drives valve plate and carries out the up-and-down reciprocating movement in the valve body, thereby enabling the valve body to open or close, and the upper and lower ends of the two sides of the front surface of valve plate are all inclinedly provided with the support plate synchronous movement with it, the valve body, valve plate and support plate are all metal material formation, make it not easy to damage under the environment of high temperature or low temperature.

Description

Technical Field

[0001] This utility model relates to the field of slide gate valves, and in particular to all-metal slide gate valves. Background Technology

[0002] Pneumatic slide gate valves are a primary control device for the flow or conveying of powder, granular, particulate, and small lump materials. They are widely used in industries such as metallurgy, mining, building materials, grain, and chemicals to control flow changes or quickly shut off materials.

[0003] The advantages of pneumatic slide gate valves include simple structure, flexible operation, light weight, no jamming, and they are particularly suitable for conveying and regulating the flow of various solid materials and blocky or lumpy materials around 50mm in size. Installation is not limited by angle, operation is convenient, and the size can be adjusted at any time.

[0004] Structural Features: Simple structure, flexible operation, lightweight, no jamming, and fast cutting. It is particularly suitable for conveying and regulating the flow of various non-viscous solids, powders, and granular materials smaller than Φ10mm. Installation is not limited by angle, operation is convenient, and the opening can be adjusted at any time. Mainly used for silo tops, bottoms, and inlets / outlets in industries such as building materials, metallurgy, mining, power, chemicals, glass, light industry, and grain. It is an ideal device for controlling large flow variations, frequent starts, and rapid cutting.

[0005] Most existing slide gate valves are manual, where turning a handwheel causes a screw to repeatedly move the valve plate horizontally, thus opening and closing the valve. The drawbacks are that they require manual operation, have low automation, and the valve plate's stroke can only be adjusted by turning the screw. Therefore, an all-metal slide gate valve is proposed. Utility Model Content

[0006] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems.

[0007] The all-metal slide gate valve includes a valve body, a cylinder vertically disposed above the valve body and communicating with the valve body, and a valve plate vertically movable inside the valve body. The cylinder and the valve plate are driven together, and the cylinder drives the valve plate to move up and down reciprocally inside the valve body, thereby opening or closing the valve body. The upper and lower ends of the front two sides of the valve plate are obliquely disposed with support plates that move synchronously with it.

[0008] Preferably, the cylinder is provided with a piston that moves in the same direction as the valve plate, and a piston rod connected to the valve plate is vertically arranged below the piston.

[0009] Preferably, a bellows is sleeved on the outside of the piston rod, and the upper and lower ends of the bellows are connected to the top of the valve body and the top of the valve plate, respectively.

[0010] Preferably, the cylinder pipeline is provided with a first air port and a second air port that are connected to an external air intake device. The first air port is located at the top of the cylinder and the second air port is located at the side of the bottom of the cylinder. A solenoid valve is also provided above the cylinder and is connected to the first air port and the second air port via a pipeline. Mechanical sensors for sensing the piston position are provided at both the top and bottom ends of one side of the cylinder. The solenoid valve is connected to the external air intake device via a pipeline.

[0011] Preferably, a guide rail is provided between the valve plate and the valve body, and the guide rail is vertically located on both sides inside the valve body, and both sides of the valve plate are in sliding engagement with the guide rail.

[0012] Preferably, the valve plate has metal sealing rings on both its front sides that move synchronously with it and make sealing contact with the valve body.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the valve body, valve plate and support plate are all made of metal, making them less prone to damage in high or low temperature environments;

[0014] When the mechanical sensor located at the bottom of the cylinder detects the piston, the solenoid valve adjusts the gas transmitted by the external air intake device to the second air port, and continuously injects gas into the cylinder through the second air port, thereby lifting the piston. During the lifting process, the piston moves upward from the bottom of the valve body through the piston rod and the valve plate until the piston is lifted to the top of the cylinder and contacts the mechanical sensor at the top of the cylinder. At this time, the solenoid valve stops the air intake. The valve plate is located at the top of the valve body and the valve body is in the open state.

[0015] When the mechanical sensor located at the top of the cylinder detects the piston, the solenoid valve adjusts the gas transmitted from the external air intake device to the first air port, and continuously injects gas into the cylinder through the first air port, thereby pressurizing and lowering the piston. During the piston's descent, the piston rod and valve plate move downwards from the top of the valve body until the piston reaches the bottom of the cylinder and contacts the mechanical sensor at the bottom of the cylinder. At this point, the solenoid valve stops the air intake, and the valve plate is located at the bottom of the valve body, and the valve body is in a closed state.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of an all-metal slide gate valve;

[0019] Figure 2 This is another structural schematic diagram of an all-metal slide gate valve.

[0020] The following components are shown in the diagram: 1. Solenoid valve, 2. First air port, 3. Mechanical sensor, 4. Cylinder, 5. Second air port, 6. Piston, 7. Bellows, 8. Valve body, 9. Metal sealing ring, 10. Valve plate, 11. Support plate, 12. Guide rail. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-2 In this embodiment of the utility model, the all-metal slide gate valve includes a valve body 8, a cylinder 4 vertically disposed above the valve body 8 and communicating with the valve body 8, and a valve plate 10 vertically movable inside the valve body 8. The cylinder 4 and the valve plate 10 are driven together, and the cylinder 4 drives the valve plate 10 to move up and down reciprocally inside the valve body 8, thereby opening or closing the valve body 8. The upper and lower ends of the front two sides of the valve plate 10 are obliquely disposed with support plates 11 that move synchronously with it. Thus, the support plates 11 can keep the valve plate 10 balanced when it moves up and down reciprocally inside the valve body 1. Furthermore, the valve body 8, the valve plate 10, and the support plates 11 are all made of metal, making them less prone to damage in high or low temperature environments.

[0023] The cylinder 4 is equipped with a piston 6 that moves in the same direction as the valve plate 10, and a piston rod (not shown in the figure) is vertically arranged below the piston 6 and connected to the valve plate 10. Thus, when the piston 6 moves up and down inside the cylinder 4, it causes the valve plate 10 to move up and down inside the valve body 1 through the piston rod.

[0024] The piston rod is fitted with a bellows 7, and the upper and lower ends of the bellows 7 are connected to the top of the valve body 8 and the top of the valve plate 10, respectively. When the piston rod moves up and down, it drives the valve plate 10 to reciprocate inside the valve body 8. During this process, the bellows 7 is compressed between the valve plate 10 and the valve body 8, thereby ensuring that the valve plate 10 will not collide during the up and down reciprocating movement inside the valve body 8.

[0025] The cylinder 4 is equipped with a first air port 2 and a second air port 5 for connecting to an external air intake device. The first air port 2 is located at the top of the cylinder 4, and the second air port 5 is located on the side of the bottom of the cylinder 4. A solenoid valve 1 is also installed above the cylinder 4, connecting to the first air port 2 and the second air port 5 via a pipeline. Mechanical sensors 3 for sensing the position of the piston 6 are installed at both the top and bottom of one side of the cylinder 4. The solenoid valve 1 is connected to the external air intake device, and thus, when the mechanical sensor 6 located at the bottom of the cylinder 4... When sensor 3 senses piston 6, solenoid valve 1 adjusts the gas transmitted from external air intake device to second air port 5, and continuously injects gas into cylinder 4 through second air port 5, thereby lifting piston 6. During the lifting process, piston 6 moves upward from bottom end of valve body 8 through piston rod and valve plate 10 until piston 6 is lifted to the top of cylinder 6 and contacts mechanical sensor 3 at the top of cylinder 6. At this time, solenoid valve 1 stops air intake. At this time, valve plate 10 is located at the top of valve body 8, and valve body 8 is in the open state.

[0026] When the mechanical sensor 3 located at the top of the cylinder 4 senses the piston 6, the solenoid valve 1 adjusts the gas transmitted from the external air intake device to the first air port 2, and continuously injects gas into the cylinder 4 through the first air port 2, thereby pressurizing and lowering the piston 6. During the descent of the piston 6, the piston rod and valve plate 10 move downward from the top of the valve body 8 until the piston 6 descends to the bottom of the cylinder 6 and contacts the mechanical sensor 3 at the bottom of the cylinder 6. At this time, the solenoid valve 1 stops the air intake. At this time, the valve plate 10 is located at the bottom of the valve body 8, and the valve body 8 is in a closed state.

[0027] A guide rail 12 is provided between the valve plate 10 and the valve body 8, and the guide rail 12 is vertically located on both sides inside the valve body 8. The two sides of the valve plate 10 are slidably engaged with the guide rail 12. When the valve plate 10 moves up and down inside the valve body 8 by the cylinder 4, the valve plate 10 moves up and down along the path of the guide rail 12. The guide rail 12 can keep the valve plate 10 stable during the up and down reciprocating movement.

[0028] The valve plate 10 is provided with metal sealing rings 9 on both front sides, which move synchronously with it and make sealing contact with the valve body 8. Thus, the metal sealing rings 9 ensure that the valve plate 10 maintains a gap seal during the up-and-down reciprocating movement inside the valve body 8.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. An all-metal slide gate valve, characterized in that, The valve includes a valve body, a cylinder vertically disposed above the valve body and communicating with the valve body, and a valve plate vertically movable inside the valve body. The cylinder and the valve plate are driven together, and the cylinder drives the valve plate to move up and down reciprocally inside the valve body, thereby opening or closing the valve body. The upper and lower ends of the front two sides of the valve plate are obliquely provided with support plates that move synchronously with it.

2. The all-metal slide gate valve according to claim 1, characterized in that, The cylinder is equipped with a piston that moves in the same direction as the valve plate, and a piston rod that is vertically connected to the valve plate is installed below the piston.

3. The all-metal slide gate valve according to claim 2, characterized in that, The piston rod is fitted with a bellows, and the upper and lower ends of the bellows are connected to the top of the valve body and the top of the valve plate, respectively.

4. The all-metal slide gate valve according to claim 1, characterized in that, The cylinder pipeline is provided with a first air port and a second air port that are connected to an external air intake device. The first air port is located at the top of the cylinder and the second air port is located at the side of the bottom of the cylinder. A solenoid valve is also provided above the cylinder and is connected to the first air port and the second air port through a pipeline. Mechanical sensors for sensing the piston position are provided at both the top and bottom ends of one side of the cylinder. The solenoid valve is connected to the external air intake device.

5. The all-metal slide gate valve according to claim 1, characterized in that, A guide rail is provided between the valve plate and the valve body, and the guide rail is vertically located on both sides inside the valve body, and the two sides of the valve plate are in sliding fit with the guide rail.

6. The all-metal slide gate valve according to claim 1, characterized in that, The valve plate has metal sealing rings on both front sides that move synchronously with it and make sealing contact with the valve body.

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