JP3245119U - Air knife type gate valve convenient for checking open/close status - Google Patents

Abstract

The present invention provides an air knife type gate valve that is convenient for checking open/closed states. An air knife type gate valve includes a valve body 1, and a mounting plate 2 is provided above the valve body. When the cylinder output rod is moved upward by the contact assembly, the moving plate 4 is also moved upward as the connecting block is moved upward, and at the same time, the moving frame is moved upward, so that the moving frame is moved upward. Through the joint 3, the moving frame is moved backward and the connecting plate is moved upward. By moving the connecting plate between the contact heads, attaching the conductive block to the contact head, and sending a command to the computer board via the cable, the valve seat 7 will face upward and the valve body will open normally. Be in a state of being. Conversely, by connecting with the lower joint 850 and sending a command to the computer board, the computer board receives a signal indicating that the valve seat is normally closed. [Selection diagram] Figure 1

Description

This utility model belongs to the technical field of air knife type gate valves, and specifically relates to an air knife type gate valve that is convenient for checking the open/closed state.

An air knife type gate valve is a valve driven by compressed air. It can be divided into two parts, upper and lower, the upper part is the air actuator and the lower part is the valve, and such valves generally have to be installed horizontally in the piping.

However, the above technical proposals still have certain deficiencies. Most air actuators and valves are connected with pins. Due to frequent opening and closing, the pin is easy to break, but the air actuator switch is normal, and the stopper indicator attached above it will display on the computer that the valve switch is normal, so you can easily detect valve failure. Lee cannot be found.

Based on this, the purpose of this utility model is to solve the technical problem of the inability of people to discover pin breakage in a timely manner. The goal is to provide the following.

In order to achieve the above purpose, this utility model provides the following technical proposal. The air knife type gate valve convenient for checking the open/closed state according to this technical proposal includes a valve body, a mounting plate is provided above the valve body, a cylinder is fixed to the tip of the mounting plate, and a cylinder is fixed to the tip of the mounting plate. A connecting block is provided below the plate, a moving plate is provided on the connecting block, a fixed plate connects the mounting plate and the valve body, and a valve seat is fixed to the lower end of the moving plate. , a contact unit is provided inside the moving plate, a contact assembly is provided inside the connecting block, the contact assembly includes a moving frame, and a connecting plate is provided inside the moving frame; The lower end of the connecting plate extends through the support column to the inner wall of the movable plate, upper and lower joints are provided at the upper and lower ends of the movable frame, and a mounting block is provided inside the lower joint, and the mounting block A contact head is provided inside the block, and a stopper is provided below the contact head, and the stopper is rotatably mounted inside the mounting block via a torsion spring block, and is connected to the upper joint and the lower joint. The joint has the same internal structure.

As a preferred technical proposal of the air knife type gate valve convenient for checking the open/closed state of this utility model, the movable frame is slidably attached inside the movable plate, and the movable frame is connected to the bottom end of the movable frame and the inner wall of the movable plate. A spring is installed between them.

As a preferred technical proposal for the air knife type gate valve that is convenient for checking the open/closed state of this utility model, a conductive block is fixed inside the connecting plate, and a hole that fits the connecting plate is formed inside the lower joint. It's open.

As a preferred technical proposal of the air knife type gate valve convenient for checking the open/closed state of this utility model, the contact head is slidably installed inside the mounting block, and one end of the contact head is connected to the air knife type gate valve through a cable. It is connected to the computer board, and the other end is provided with a spring between it and the inner wall of the mounting block.

As a preferred technical solution of the air knife type gate valve convenient for checking the open/closed state of the present utility model, the connection assembly includes an insertion rod passing through the connection block and the moving plate, and one end of the insertion rod has a stopper ring. A push block is movably mounted on both sides of the stopper ring, one end of the push block extends to the inside of the stopper ring, and a first guide rod is slidable inside the push block. The first guide rod is attached to the stopper ring, and one end of the first guide rod is fixed to the inner wall of the stopper ring.

As a preferred technical proposal of the air knife type gate valve convenient for checking the open/closed state of this utility model, one end of the push block is rotatably connected to a push rod via a rotating shaft, and one end of the push rod is connected to the rotating shaft. The push rod is connected to the stopper block through the push rod, and the middle portion of the push rod is rotatably connected to the inner wall of the stopper ring through the rotation shaft.

As a preferred technical proposal of the air knife type gate valve convenient for checking the open/closed state of this utility model, one end of the stopper block extends to the outer wall of the stopper ring and is movably connected to the inside of the insertion rod, and A stopper groove that fits the stopper block is formed inside the insertion rod, and a second guide rod is slidably attached to the inside of the stopper block, and a groove is formed between one end of the second guide rod and the inner wall of the stopper block. A spring is provided.

From the above, this utility model mainly has the following beneficial effects.
In this utility model, when the cylinder output rod moves upward, the connecting block is moved upward, and the moving plate is also moved upward, and at the same time, the moving frame is moved upward. Then, the moving frame moves backward through the upper joint, moves the connecting plate upward, moves the connecting plate between the contact heads, and attaches the conductive block to the contact head. , by sending a command to the computer board, the valve seat will face upward and the valve body will be in the normally open state. Conversely, by connecting with the lower joint and sending a command to the computer board, the computer board receives the signal that the valve seat is normally closed. The provided contact assembly connects the connecting block and the moving plate through the insertion rod and the stopper more quickly, instead of the stopper of the conventional wire insertion rod.

It is a front view of this utility model. FIG. 3 is a partial cross-sectional view of the movable plate of this utility model. FIG. 3 is a sectional view of the lower joint of the present utility model. It is a right sectional view of the connection block of this utility model.

Hereinafter, the technical solution in the embodiment of this utility model will be clearly and completely explained using the drawings in the embodiment of this utility model. The embodiments described below with reference to the drawings are exemplary and are used only to explain the present utility model and cannot be understood as limitations to the present utility model.

Next, embodiments of the utility model will be described based on the overall configuration of the utility model.
As shown in Figures 1 to 4, the air knife type gate valve, which is convenient for checking the open/closed state, includes a valve body 1, a mounting plate 2 is provided above the valve body 1, and a cylinder is attached to the tip of the mounting plate 2. 6 is fixed, a connecting block 5 is provided below the mounting plate 2, a movable plate 4 is provided on the connecting block 5, the mounting plate 2 and the valve body 1 are connected by the fixed plate, and the movable plate A valve seat 7 is fixed to the lower end of the moving plate 4, a contact unit is provided inside the moving plate 4, a contact assembly is provided inside the connecting block 5, the contact assembly includes a moving frame 810, and a contact unit is provided inside the moving plate 4. A connecting plate 820 is provided inside the moving frame 810, the lower end of the connecting plate 820 extends to the inner wall of the moving plate 4 through the support column 840, and an upper joint 3 and a lower joint 850 are provided at the upper and lower ends of the moving frame 810. , a mounting block 860 is provided inside the lower joint 850, a contact head 870 is provided inside the mounting block 860, a stopper 880 is provided below the contact head 870, and the stopper 880 is connected to a torsion spring block. The upper joint 3 and the lower joint 850 are rotatably mounted inside the mounting block 860 via the joint 890, and have the same internal structure. The moving frame 810 is slidably attached to the inside of the moving plate 4, and a spring is provided between the bottom end of the moving frame 810 and the inner wall of the moving plate 4. A conductive block 830 is fixed inside the connecting plate 820, and a hole that fits the connecting plate 820 is opened inside the lower joint 850. The contact head 870 is slidably mounted inside the mounting block 860, one end of the contact head 870 is connected to the computer board via a cable, and the other end has a spring between it and the inner wall of the mounting block 860. It is provided.

When the cylinder 6 output rod moves upward, the moving plate 4 is also moved upward as the connecting block 5 is moved upward, and at the same time, the moving frame 810 is moved upward, so that the moving frame 810 moves upward. The moving frame 810 is moved backward through the joint 3, the connecting plate 820 is moved upward and the stopper is pressed, and the connecting plate 820 is further moved to between the contact heads 870, and the conductive block 830 is bonded to the contact head 870. , by sending a command to the computer board via the cable, the valve seat 7 is directed upward, and the valve body 1 is placed in a normally open state. Conversely, by connecting with the lower joint 850 and transmitting a command to the computer board, the computer board receives a signal indicating that the valve seat 7 is normally closed.

Referring to FIGS. 1 and 4, the connection assembly includes an insertion rod 910 that passes through the connection block 5 and the moving plate 4, and a stopper ring 920 is movably attached to one end of the insertion rod 910. A push block 930 is provided on both sides, one end of the push block 930 extends to the inside of the stopper ring 920, and a first guide rod 940 is slidably attached to the inside of the push block 930. One end of the guide rod 940 is fixed to the inner wall of the stopper ring 920. One end of the push block (930 is rotatably connected to a push rod 960 via a rotating shaft, one end of the push rod 960 is connected to a stopper block 970 via a rotating shaft, and the middle position of the push rod 960 is connected to the rotating shaft). One end of the stopper block 970 extends to the outer wall of the stopper ring 920 and is movably connected to the inside of the insert rod 910. A stopper groove that fits the stopper block 970 is provided inside the stopper block 970, and a second guide rod 950 is slidably attached to the inside of the stopper block 970. is equipped with a spring.

When the two push blocks 930 are pushed inward, one end of the push rod 960 is moved to one side, and the other end of the push rod 960 is moved to the other side through the rotation axis, and the other end of the push rod 960 is pushed to the stopper. By moving the block 970 inward and separating the stopper block 970 from the stopper groove inside the insert rod 910, the separation of the insert rod 910 from the stopper ring 920 can be completed. Conversely, the insertion rod 910 and the stopper ring 920 can be connected.

In use, when the cylinder 6 output rod moves upward, the moving plate 4 is also moved upward as the connecting block 5 is moved upward, and at the same time, the moving frame 810 is moved upward. The frame 810 moves the moving frame 810 backward through the upper joint 3, moves the connecting plate 820 upward and pushes the stopper, and further moves the connecting plate 820 to between the contact heads 870, and the conductive block 830 moves between the contact heads. 870 and sends a command to the computer board via a cable, the valve seat 7 is turned upward and the valve body 1 is placed in a normally open state. Conversely, by connecting with the lower joint 850 and transmitting a command to the computer board, the computer board receives a signal indicating that the valve seat 7 is normally closed. When the two push blocks 930 are pushed inward, one end of the push rod 960 is moved to one side, and the other end of the push rod 960 is moved to the other side through the rotation axis, and the other end of the push rod 960 is pushed to the stopper. By moving the block 970 inward and separating the stopper block 970 from the stopper groove inside the insert rod 910, the separation of the insert rod 910 from the stopper ring 920 can be completed. Conversely, the insertion rod 910 and the stopper ring 920 can be connected.

Although embodiments of this utility model have been illustrated and described, the specific embodiments are only an interpretation of this utility model and are not a limitation on the utility model, and the specific features, structures, materials, or features described are , may be combined in any suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art can make modifications, substitutions, variations, etc. without creatively contributing to the embodiments as necessary, without departing from the principle and spirit of this utility model. However, if it is within the scope of the claims of this utility model, it is protected by patent law.

1 Valve body 2 Mounting plate 3 Upper joint 4 Moving plate 5 Connecting block 6 Cylinder 7 Valve seat 810 Moving frame 820 Connecting plate 830 Conductive block 840 Support column 850 Lower joint 860 Mounting block 870 Contact head 880 Stopper 890 Torsion spring block 910 Insertion Rod 920 Stopper ring 930 Push block 940 First guide rod 950 Second guide rod 960 Push rod 970 Stopper block

Claims (7)

An air knife type gate valve convenient for checking the open/closed state of the valve body (1),
A mounting plate (2) is provided above the valve body (1), a cylinder (6) is fixed to the tip of the mounting plate (2), and a connecting block (2) is provided below the mounting plate (2). 5), the connecting block (5) is provided with a moving plate (4), the mounting plate (2) and the valve body (1) are connected by a fixed plate, and the moving plate (4) is connected to the mounting plate (2) and the valve body (1). ) a valve seat (7) is fixed to the lower end of the movable plate (4), a contact unit is provided inside the movable plate (4), and a contact assembly is provided inside the connection block (5);
The contact assembly includes a movable frame (810), a connecting plate (820) is provided inside the movable frame (810), and a lower end of the connecting plate (820) passes through a support column (840) to the movable plate (810). ), an upper joint (3) and a lower joint (850) are provided at the upper and lower ends of the moving frame (810), and a mounting block (860) is provided inside the lower joint (850). A contact head (870) is provided inside the mounting block (860), a stopper (880) is provided below the contact head (870), and the stopper (880) is provided with a torsion spring. The upper joint (3) and the lower joint (850) are rotatably mounted inside the mounting block (860) via the block (890), and have the same internal structure.
An air knife type gate valve that is convenient for checking the open/closed status. The moving frame (810) is slidably attached inside the moving plate (4), and a spring is provided between the bottom end of the moving frame (810) and the inner wall of the moving plate (4). ,
The air knife type gate valve according to claim 1, which is convenient for checking the open/closed state. A conductive block (830) is fixed inside the connecting plate (820), and a hole that fits the connecting plate (820) is opened inside the lower joint (850).
The air knife type gate valve according to claim 1, which is convenient for checking the open/closed state. The contact head (870) is slidably mounted inside the mounting block (860), one end of the contact head (870) is connected to the computer board via a cable, and the other end is connected to the mounting block (860). A spring is provided between the inner wall of 860),
The air knife type gate valve convenient for checking the open/closed state according to claim 1. The connecting assembly includes an insert rod (910) that passes through the connecting block (5) and the moving plate (4), a stopper ring (920) is movably attached to one end of the insert rod (910), and a stopper ring (920) is movably attached to one end of the insert rod (910). Push blocks (930) are provided on both sides of the stopper ring (920), one end of the push block (930) extends to the inside of the stopper ring (920), and a A first guide rod (940) is slidably attached, and one end of the first guide rod (940) is fixed to the inner wall of the stopper ring (920).
The air knife type gate valve according to claim 1, which is convenient for checking the open/closed state. One end of the push block (930) is rotatably connected to a push rod (960) via a rotating shaft, one end of the push rod (960) is connected to a stopper block (970) via a rotating shaft, A middle position of the push rod (960) is rotatably connected to the inner wall of the stopper ring (920) via a rotating shaft.
The air knife type gate valve convenient for checking the open/closed state according to claim 5. One end of the stopper block (970) extends to the outer wall of the stopper ring (920) and is movably connected to the inside of the insertion rod (910), and a stopper block (970) is provided inside the insertion rod (910). ), a second guide rod (950) is slidably installed inside the stopper block (970), and one end of the second guide rod (950) and the stopper block (970) A spring is installed between the inner wall and
The air knife type gate valve convenient for checking the open/closed state according to claim 6.

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