CN210716038U - A kind of pneumatic pumping plate valve - Google Patents

Abstract

The utility model relates to the technical field of valves, in particular to a pneumatic pulling plate valve, which comprises a cylinder body, wherein a screw rod is fixedly arranged on the left side of the cylinder body, the left end of the outer side of the screw rod is in threaded connection with a connecting seat, a pulling plate body is clamped at the middle end of the left side of the connecting seat, the right side of the pulling plate body extends to the inner cavity of the connecting seat and is clamped with the left side of the screw rod, a sealing shell is fixedly arranged outside the left end of the cylinder body and outside the connecting seat, and a valve seat body is fixedly arranged on the left side of the sealing shell; the utility model discloses a cylinder body, screw rod, connecting seat, take out the setting of board body, antifriction bearing, sealed shell, sealed piece and disk seat body, played can effectual its sealed effect of increase, not only avoid the cylinder and take out the phenomenon that appears leaking easily between the board, guaranteed moreover and carried effect and transport efficiency, guaranteed the effect of control simultaneously, facilitate for people's use and work.

Description

A kind of pneumatic pumping plate valve

technical field

The utility model relates to the technical field of valves, in particular to a pneumatic plate-pulling valve.

Background technique

The valve is a pipeline accessory used to open and close the pipeline, control the flow direction, and adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to its function, it can be divided into shut-off valve, check valve and regulating valve, etc. Valves are control components in fluid conveying systems, with functions such as shut-off, regulation, diversion, prevention of backflow, pressure stabilization, diversion or overflow pressure relief. Valves used in fluid control systems range from the simplest shut-off valve to the most complex. The various valves used in the automatic control system of the company have a wide variety of varieties and specifications. The valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. , Valves are also divided into cast iron valves, cast steel valves, stainless steel valves, chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual-phase steel valves, plastic valves and non-standard customized valves, etc., including pneumatic pull plate valves.

However, the sealing effect of the existing pneumatic plate-pulling valve is poor, and the traditional pneumatic plate-pulling valve is prone to leakage between the cylinder and the plate, which not only reduces the conveying effect and conveying efficiency, but also reduces the control effect, resulting in It appears that it is impossible to perform autonomous control and adjustment, which brings inconvenience to people's use and work.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide a pneumatic plate-pulling valve, which has the advantages of good sealing effect, and solves the problem that the existing pneumatic plate-pulling valve has poor sealing effect, and the traditional pneumatic plate-pulling valve is prone to leakage between the cylinder and the platen. The phenomenon not only reduces the conveying effect and conveying efficiency, but also reduces the control effect, so that it cannot be controlled and adjusted independently, thus bringing inconvenience to people's use and work.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pneumatic plate-pulling valve, comprising a cylinder body, a screw rod is fixedly installed on the left side of the cylinder body, and a connecting seat is threadedly connected to the left end of the outer side of the screw rod; The middle end of the left side of the connection seat is clamped with a drawer body, the right side of the drawer body extends to the inner cavity of the connection seat and is clamped with the left side of the screw rod, and the outer side of the left end of the cylinder body is located on the outer side of the connection seat. A sealing shell is fixedly installed outside, a valve seat body is fixedly installed on the left side of the sealing shell, a rolling bearing is rotatably connected to the lower end of the inner cavity of the valve seat body, and the top of the rolling bearing is rotatably connected to the bottom of the drawing plate body.

Preferably, sealing blocks are fixedly installed on the left ends of the top and bottom of the inner cavity of the sealing shell, and the number of the sealing blocks is six.

Preferably, the number of the rolling bearings is three, and the surface of the rolling bearings is in contact with the bottom of the drawer body.

Preferably, a nut is threadedly connected to the outer side of the screw rod, and the left side of the nut is in contact with the right side of the connection seat.

Preferably, the valve seat body is provided with through holes in a circumference of the top and a circumference of the bottom, and the through holes are circular.

Preferably, a mounting seat is fixedly mounted on the right side of the cylinder body, a protection rod is fixedly mounted on the outer side of the cylinder body and located on the left side of the mounting seat, and the left side of the protection rod is fixedly mounted on the right side of the sealing shell.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

1. The utility model can effectively increase its sealing effect through the arrangement of the cylinder body, the screw, the connecting seat, the pumping plate body, the rolling bearing, the sealing shell, the sealing block and the valve seat body, and not only avoid the gap between the cylinder and the pumping plate. The phenomenon of leakage is easy to occur, and the conveying effect and conveying efficiency are guaranteed, and the control effect is ensured at the same time, which brings convenience to people's use and work, and solves the problem of the poor sealing effect of the existing pneumatic pumping plate valve, the traditional pneumatic pumping plate. The valve is prone to leakage between the cylinder and the pumping plate, which not only reduces the conveying effect and conveying efficiency, but also reduces the control effect, so that it cannot be controlled and adjusted independently, which brings inconvenience to people's use and work. The problem.

2. The utility model can effectively seal the sealing blocks through the arrangement of the sealing blocks, and each two is symmetrically arranged in a group to perform three times of sealing, thereby assisting and increasing its sealing effect, and by setting the number of rolling bearings, It can effectively assist the pulling plate body to carry out the pulling movement, so as to ensure its stable operation and avoid it being unable to pull out due to high pressure. The sockets come into contact, thereby resealing.

3. Through the arrangement of the through holes, the utility model can effectively connect the top and bottom of the valve seat body with the external pipeline, so as to fix it and limit its position to ensure that it can work. The arrangement of the mounting seat and the protection rod can effectively facilitate the installation of the cylinder body and protect the cylinder body, and at the same time, it can also be used to make it have a better bearing capacity to ensure that it can be pulled and pulled.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

FIG. 3 is a schematic diagram of the three-dimensional structure of the utility model.

In the figure: 1. Cylinder body; 2. Screw; 3. Connecting seat; 4. Pumping plate body; 5. Rolling bearing; 6. Sealing shell; 7. Sealing block; 8. Valve seat body.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figure 1-3, a pneumatic plate-pulling valve, including a cylinder body 1, a screw 2 is fixedly installed on the left side of the cylinder body 1, a connecting seat 3 is threadedly connected to the left end of the outer side of the screw 2, and the middle part on the left side of the connecting seat 3 The drawer body 4 is clamped at the end, and the right side of the drawer body 4 extends to the inner cavity of the connection seat 3 and is clamped with the left side of the screw 2. The outer side of the left end of the cylinder body 1 and the outside of the connection seat 3 are fixedly installed. Sealing shell 6, a valve seat body 8 is fixedly installed on the left side of the sealing shell 6, a rolling bearing 5 is rotatably connected to the lower end of the inner cavity of the valve seat body 8, and the top of the rolling bearing 5 is rotatably connected with the bottom of the pumping plate body 4, through the cylinder body 1 , screw 2, connecting seat 3, pumping plate body 4, rolling bearing 5, sealing shell 6, sealing block 7 and valve seat body 8, which can effectively increase its sealing effect, not only avoid the easy connection between the cylinder and the pumping plate The phenomenon of leakage occurs, and the conveying effect and conveying efficiency are ensured, and the control effect is ensured at the same time, which brings convenience to people's use and work, and solves the problem of the poor sealing effect of the existing pneumatic plate valve. The traditional pneumatic plate valve The phenomenon of leakage between the cylinder and the pumping plate is easy to occur, which not only reduces the conveying effect and conveying efficiency, but also reduces the control effect, so that it cannot be independently controlled and adjusted, which brings inconvenience to people's use and work. question.

In this embodiment, specifically, sealing blocks 7 are fixedly installed on the left ends of the top and bottom of the inner cavity of the sealing shell 6, and the number of the sealing blocks 7 is six, which can effectively seal them, and each two is A set of symmetrical settings for tertiary sealing to aid and increase its sealing effect.

In this embodiment, specifically, the number of rolling bearings 5 is three, and the surface of the rolling bearings 5 is in contact with the bottom of the drawing plate body 4, which can effectively assist the drawing plate body 4 to perform the drawing movement, thereby ensuring its stability. operation to avoid it being unable to pull due to high pressure.

In this embodiment, specifically, the outer side of the screw 2 is threadedly connected with a nut, and the left side of the nut is in contact with the right side of the connection seat 3, which can effectively increase its sealing effect, and is in contact with the connection seat 3, thereby sealing again.

In this embodiment, in particular, through holes are formed around the top and the bottom of the valve seat body 8, and the through holes are circular, which can effectively connect the top and bottom of the valve seat body 8 with the outside world. The pipes are connected to fix them and limit their positions to ensure that they can work.

In this embodiment, specifically, a mounting seat is fixedly installed on the right side of the cylinder body 1 , a protection rod is fixedly installed on the outside of the cylinder body 1 and located on the left side of the mounting seat, and the left side of the protection rod is connected to the right side of the sealing shell 6 . The side fixed installation can effectively facilitate the installation of the cylinder body 1 and protect the cylinder body 1, and can also be used to make it have better bearing capacity to ensure that it can be pulled and pulled.

Working principle: First screw the nut with the screw 2, then use the screw 2 and the connecting seat 3 for screw connection, and then turn the nut to make the nut contact with the connecting seat 3, at this time, the drawing plate body 4 is clamped to the connecting seat 3. The inner cavity and the left side of the screw 2 are fixed. At this time, the pneumatic cylinder body 1 of the external controller is used. By sliding on the top of the rolling bearing 5, the control of the valve and the lowering of the seal can be realized. At the same time, when the drawing plate body 4 is pulled, the top and bottom of the drawing plate body 4 are contacted by the sealing block 7 for sealing. It can effectively increase its sealing effect, not only avoid leakage between the cylinder and the pumping plate, but also ensure the conveying effect and conveying efficiency, and at the same time ensure the control effect, which brings convenience to people's use and work.

The control method of the application document is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming by those skilled in the art, which belongs to the common knowledge in the field, and the application document is mainly used to protect the mechanical device, so This application document will not explain the control method and circuit connection in detail.

The standard parts used in this application document can be purchased from the market, and can be customized according to the description in the description and the attached drawings. The specific connection method of each part adopts the mature bolts, rivets, welding, etc. in the prior art. Conventional means, machinery, parts and equipment all use conventional models in the prior art, and the structures and principles of components known to those skilled in the art can be known through technical manuals or through routine experimental methods.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A pneumatic plate-pulling valve, comprising a cylinder body (1), characterized in that: a screw rod (2) is fixedly installed on the left side of the cylinder body (1), and a left end of the outer side of the screw rod (2) is threadedly connected with a screw rod (2). A connecting seat (3), the middle end of the left side of the connecting seat (3) is clamped with a drawing plate body (4), and the right side of the drawing plate body (4) extends to the inner cavity of the connecting seat (3) and Clamping with the left side of the screw (2), a sealing shell (6) is fixedly installed on the outer side of the left end of the cylinder body (1) and located outside the connecting seat (3), and the left side of the sealing shell (6) is fixed A valve seat body (8) is installed, the lower end of the inner cavity of the valve seat body (8) is rotatably connected with a rolling bearing (5), and the top of the rolling bearing (5) is rotatably connected with the bottom of the drawer body (4). 2. A pneumatic plate-pulling valve according to claim 1, characterized in that: sealing blocks (7) are fixedly installed on the left ends of the top and bottom of the inner cavity of the sealing shell (6), and the sealing blocks (7) ) is six. 3 . The pneumatic plate-pulling valve according to claim 1 , wherein the number of the rolling bearings ( 5 ) is three, and the surface of the rolling bearings ( 5 ) is in contact with the bottom of the plate-pulling body ( 4 ). 4 . . 4 . The pneumatic plate-pulling valve according to claim 1 , wherein a nut is threadedly connected to the outer side of the screw rod ( 2 ), and the left side of the nut is in contact with the right side of the connecting seat ( 3 ). 5 . 5 . The pneumatic plate-pulling valve according to claim 1 , wherein the valve seat body ( 8 ) is provided with through holes in the circumference of the top and the circumference of the bottom, and the through holes are circular. 6 . 6 . The pneumatic plate-pulling valve according to claim 1 , wherein a mounting seat is fixedly installed on the right side of the cylinder body ( 1 ), and the outer side of the cylinder body ( 1 ) is located on the side of the mounting seat. 7 . A protection rod is fixedly installed on the left side, and the left side of the protection rod is fixedly installed with the right side of the sealing shell (6).

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