CN213236136U

CN213236136U - Rolling type pneumatic gate valve

Info

Publication number: CN213236136U
Application number: CN202021523004.5U
Authority: CN
Inventors: 殷爱斌
Original assignee: Yangzhou Tongyuan Electric Power Equipment Manufacturing Co ltd
Current assignee: Yangzhou Tongyuan Electric Power Equipment Manufacturing Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-18
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a rolling type pneumatic gate valve, which relates to the technical field of valves and comprises a valve body, wherein a fluid passage for fluid to pass through and a gate plate cavity are arranged in the valve body, the fluid passage passes through the lower part of the gate plate cavity, a gate plate capable of completely cutting off the fluid passage is arranged in the gate plate cavity, a telescopic cylinder is arranged on the outer top surface of the valve body, the cylinder body of the telescopic cylinder is fixed on the valve body, and the piston end of the telescopic cylinder downwards passes through the top wall of the valve body and extends into the gate plate cavity to be fixedly connected with the gate plate; strip-shaped bulges are arranged along the length direction at the two side edges of the flashboard, a sliding groove is arranged along the length direction on the inner wall of the flashboard cavity opposite to the two side edges of the flashboard, and the sliding groove is matched with the bulges; the side face of the bulge opposite to the bottom of the sliding groove is provided with a plurality of roller grooves at intervals along the length direction, rollers are arranged in the roller grooves, and the outer side walls of the rollers are abutted to the bottom of the sliding groove. The utility model discloses simple structure through the gyro wheel design, has reduced the frictional wear that the flashboard received greatly, and is sealed effectual.

Description

Rolling type pneumatic gate valve

Technical Field

The utility model relates to the technical field of valves, concretely relates to roll formula pneumatic gate valve.

Background

A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate of a medium (liquid, gas, or powder) in a pipe or equipment by flowing or stopping the medium. The opening and closing piece in the gate valve is the gate, and the gate valve is opened and closed by lifting or descending the gate, the gate valve is widely applied to industries such as petroleum, chemical engineering, pharmacy and electric power at present, in the use process, the sliding of the gate is along the sliding grooves on the two sides of the gate, and the gate is worn to a great extent, so that the sealing degree between the gate and the sliding grooves is reduced, the leakage occurs, the whole gate valve needs to be replaced when the gate is serious, and the production cost is increased.

Disclosure of Invention

An object of the utility model is to overcome the not enough of above-mentioned technique, provide a simple structure, sealed effectual roll formula pneumatic gate valve, reduced the frictional wear that the flashboard received greatly.

In order to realize the purpose of the utility model, the utility model adopts the technical scheme that:

a rolling type pneumatic gate valve comprises a valve body, wherein a fluid channel and a gate plate cavity are formed in the valve body, the fluid channel penetrates through the lower portion of the gate plate cavity, a gate plate capable of completely isolating the fluid channel is arranged in the gate plate cavity, a telescopic cylinder is mounted on the outer top surface of the valve body, a cylinder body of the telescopic cylinder is fixed on the valve body, and a piston end of the telescopic cylinder penetrates through the top wall of the valve body downwards and extends into the gate plate cavity to be fixedly connected with the gate plate, so that the gate plate can move up and down along with the telescopic cylinder; strip-shaped bulges are arranged on the two side edges of the flashboard along the length direction, and sliding grooves are arranged on the inner wall of the flashboard cavity opposite to the two side edges of the flashboard along the length direction and are matched with the bulges; the protruding side face opposite to the chute bottom is provided with a plurality of roller grooves at intervals along the length direction, rollers are installed in the roller grooves, the outer side wall of each roller abuts against the chute bottom, and the axis of each roller is perpendicular to the moving direction of the flashboard.

The utility model discloses a further improvement lies in, offer on the bottom surface of flashboard intracavity and supply flashboard bottom male socket, improve sealing performance.

The utility model discloses a further improvement lies in, flashboard lower part both sides are formed with twice sealed sand grip, and when the flashboard rose, the flashboard prevented through sealed sand grip that the fluid from upwelling to the flashboard intracavity of accomodating two flashboards.

The utility model discloses a further improvement lies in, the flashboard is the rectangle structure.

The utility model discloses a further improvement lies in, the bottom of flashboard is equipped with the rubber layer, and when the flashboard descends, pushes down the flashboard chamber wall through the rubber layer, because the rubber layer has elasticity, when receiving the extrusion, the rubber layer can tightly be laminated on the flashboard chamber wall, has further improved sealing performance.

The utility model has the advantages that:

(1) the utility model discloses a realize sliding through arch and spout between flashboard and the flashboard chamber, the arch adopts the gyro wheel design, has alleviateed the wearing and tearing of arch and spout greatly, and sealing performance is better, has effectively avoided the seepage phenomenon, prolongs the life of slide valve.

(2) The utility model discloses a telescopic cylinder carries out opening and closing of slide valve, and labour saving and time saving has improved work efficiency more.

Drawings

Fig. 1 is a schematic structural view of the shutter valve of the present invention.

Fig. 2 is a schematic structural view of the gate valve of the present invention when closed.

Fig. 3 is a schematic view of the structure in the direction of a-a in fig. 1.

Fig. 4 is a schematic structural diagram of the shutter of the present invention.

In the figure: the valve comprises a valve body 1, a fluid channel 2, a gate plate cavity 3, a gate plate 4, a telescopic cylinder 5, a protrusion 6, a sliding groove 7, a roller groove 8, a roller 9, a socket 10, a sealing convex strip 11 and a rubber layer 12.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a rolling pneumatic gate 4 valve includes a valve body 1, a fluid passage 2 for fluid to pass through and a gate chamber 3 are provided in the valve body 1, the fluid passage 2 passes through the lower portion of the gate chamber 3, a gate 4 capable of completely cutting off the fluid passage 2 is provided in the gate chamber 3, a telescopic cylinder 5 is provided on the outer top surface of the valve body 1, a cylinder body of the telescopic cylinder 5 is fixed on the valve body 1, a piston end of the telescopic cylinder 5 passes through the top wall of the valve body 1 downwards and extends into the gate chamber 3 to be fixedly connected with the gate 4, so that the gate 4 can move up and down along with the telescopic cylinder 5; strip-shaped bulges 6 are arranged along the length direction at the two side edges of the flashboard 4, sliding chutes 7 are arranged along the length direction on the inner wall of the flashboard cavity 3 opposite to the two side edges of the flashboard 4, and the sliding chutes 7 are mutually matched with the bulges 6; the side face of the bulge 6 opposite to the bottom of the sliding groove 7 is provided with a plurality of roller grooves 8 at intervals along the length direction, rollers 9 are arranged in the roller grooves 8, the outer side walls of the rollers 9 are abutted against the bottom of the sliding groove 7, and the axis of each roller 9 is vertical to the moving direction of the flashboard 4.

The bottom surface in the flashboard cavity 3 is provided with a socket 10 for inserting the bottom end of the flashboard 4, so that the sealing performance is improved.

Two sealing convex strips 11 are formed on two sides of the lower part of the flashboard 4, and when the flashboard 4 ascends, the flashboard 4 prevents the fluid from upwelling to the flashboard cavity 3 for accommodating the two flashboards 4 through the sealing convex strips 11.

The shutter 4 has a rectangular structure.

The rubber layer 12 is arranged at the bottom end of the flashboard 4, when the flashboard 4 descends, the rubber layer 12 presses the wall of the flashboard cavity 3, and the rubber layer 12 has elasticity, so that when the flashboard 4 is extruded, the rubber layer 12 can be tightly attached to the wall of the flashboard cavity 3, and the sealing performance is further improved.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. A rolling type pneumatic gate valve comprises a valve body, wherein a fluid channel and a gate plate cavity are formed in the valve body, the fluid channel penetrates through the lower part of the gate plate cavity, and a gate plate capable of completely cutting off the fluid channel is arranged in the gate plate cavity; strip-shaped bulges are arranged on the two side edges of the flashboard along the length direction, and sliding grooves are arranged on the inner wall of the flashboard cavity opposite to the two side edges of the flashboard along the length direction and are matched with the bulges; the protruding side face opposite to the chute bottom is provided with a plurality of roller grooves at intervals along the length direction, rollers are installed in the roller grooves, the outer side wall of each roller abuts against the chute bottom, and the axis of each roller is perpendicular to the moving direction of the flashboard.

2. The rolling pneumatic gate valve as claimed in claim 1, wherein the bottom of the gate cavity is provided with a socket for inserting the bottom of the gate.

3. The rolling pneumatic gate valve as claimed in claim 1, wherein two sealing ribs are formed on both sides of the lower portion of the gate.

4. The rolling pneumatic gate valve as claimed in claim 1, wherein the gate is of rectangular configuration.

5. The rolling pneumatic gate valve as claimed in claim 1, wherein the bottom end of the gate is provided with a rubber layer.