CN216344005U

CN216344005U - Pneumatic gate valve

Info

Publication number: CN216344005U
Application number: CN202122625772.2U
Authority: CN
Inventors: 陈钊; 陈秀钦; 颜伟勇
Original assignee: Zhejiang Xinhua Valve Manufacturing Co ltd
Current assignee: Zhejiang Xinhua Valve Manufacturing Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a pneumatic gate valve, which relates to the technical field of pneumatic gate valves and comprises a control valve body, wherein the bottom of the control valve body is fixedly connected with a valve pipe, the output end of the control valve body is fixedly provided with a valve plate, the right side surface of the valve plate is provided with an accommodating groove, the front side and the back side of the inner wall of the accommodating groove are fixedly connected through a rotating shaft, the surface of the rotating shaft is sleeved with a cleaning rod, the top of the cleaning rod is movably connected with the top of the inner wall of the accommodating groove through a traction spring, a filter screen plate is fixedly arranged in the valve pipe, when the valve plate is lifted, a sealing plate is lifted and kept horizontal with the top of a discharge groove, so that when the valve pipe is flushed, water flow can normally pass through the valve pipe, the problems of leakage and the like can not be caused by the discharge groove, silt and impurities can be blocked by the filter screen plate and stay at the left side of the filter screen plate and are positioned at the top of the sealing plate, as the valve plate rises, the cleaning rod strikes the top of the inner wall of the valve pipe and is received in the receiving groove.

Description

Pneumatic gate valve

Technical Field

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

Background

Pneumatic push-pull valve in the past can contain silt and impurity in the rivers when using to can make impurity flow direction connecting water pipe, pile up the back for a long time, cause easily and block up and corrode, thereby seriously influence follow-up use, and the push-pull valve of old-fashioned can't filter silt and impurity when using, and can not carry out automatic discharge to silt and impurity, can seriously influence the life-span of follow-up connection water pipe during the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic gate valve to solve the problem that silt and impurities cannot be automatically cleaned in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: a pneumatic gate valve comprises a control valve body, wherein the bottom of the control valve body is fixedly connected with a valve pipe, the output end of the control valve body is fixedly provided with a valve plate, the right side surface of the valve plate is provided with an accommodating groove, the front and back surfaces of the inner wall of the accommodating groove are fixedly connected through a rotating shaft, the surface of the rotating shaft is sleeved with a cleaning rod, the top of the cleaning rod is movably connected with the top of the inner wall of the accommodating groove through a traction spring, a filter screen plate is fixedly arranged inside the valve pipe, the bottom of the valve pipe is fixedly connected with a discharge groove, the bottom of the inner wall of the discharge groove is fixedly provided with two spring grooves, the inside of each spring groove is slidably connected with a spring rod, the bottom of each spring rod is movably connected with the bottom of the inner wall of the corresponding spring groove through a spring, the top of each spring rod is fixedly connected with a sealing plate, and the left side and the right side of the bottom of each sealing plate are fixedly provided with a protection plate, the surface of guard plate and the inner wall overlap joint of blown down tank, the discharge gate has all been seted up to the left and right sides of blown down tank.

Optionally, the bottom of valve plate is equidistant fixed mounting has the extension push rod, and the top overlap joint of the bottom of extending the push rod and closing plate, and this design can make it throw away can be better when silt is too much and promote the closing plate decline.

Optionally, the sealing plate is designed in a trapezoidal shape, and the top of the sealing plate is designed in an arc surface shape, so that the sealing plate can better prevent the problems of water leakage and the like of a valve pipe.

Optionally, the right side of the cleaning rod is provided with the rubbing bristles for scraping, the cleaning rod is in lap joint with the left side of the filter screen plate through the rubbing bristles for scraping on the right side, and the rubbing cleaning can be carried out on the surface of the filter screen plate when the cleaning rod descends due to the design.

Optionally, the left side and the right side of the valve pipe are both fixedly connected with mounting discs, and the inner wall of the valve pipe is provided with an anti-corrosion coating, so that the valve pipe is more durable and firm due to the design.

Optionally, the top of the discharge chute and the bottom of the inner wall of the valve pipe are kept at the same horizontal line, and the top of the sealing plate and the top of the discharge chute are kept at the same horizontal line.

The utility model has the technical effects and advantages that:

(1) when the valve plate ascends, the sealing plate can rise and keep the level with the top of blown down tank to when the valve pipe crosses the water, rivers can normally pass through and can not lead to the leakage scheduling problem because of the blown down tank's the reason, and silt and impurity can be filtered the otter board and carry out the separation and stop in the left side of filtering the otter board and be located the top of sealing plate, rise along with the valve plate, clean pole can strike the top of valve pipe inner wall and accomodate the inside of accomodating the groove.

(2) When the valve plate descends, the cleaning rod can be rapidly unfolded due to the traction spring, the cleaning rod can scrape and rub the left side of the filter screen plate for one time to make silt fall on the top of the sealing plate, when the valve plate extrudes the sealing plate to descend through the extension push rod, the silt and impurities can fall into the discharge chute and then be discharged through the discharge ports on the two sides, and the valve plate can extend to the inside of the discharge chute and shield the inside of the valve pipe to ensure that water flow of the valve pipe cannot continue flowing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with the present invention;

fig. 3 is a perspective view of the present invention.

In the figure: the device comprises a control valve body 1, a valve pipe 2, a valve plate 3, an extension push rod 4, a sealing plate 5, a protection plate 6, a spring 7, a spring groove 8, a spring rod 9, a discharge groove 10, a discharge hole 11, a filter screen plate 12, a storage groove 13, a rotating shaft 14, a traction spring 15 and a cleaning rod 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The utility model provides a pneumatic gate valve as shown in figures 1-3, which comprises a control valve body 1, wherein a valve pipe 2 is fixedly connected to the bottom of the control valve body 1, when a valve plate 3 is controlled to ascend through the control valve body 1, a cleaning rod 16 can impact the top of the inner wall of the valve pipe 2 and is contained in a containing groove 13, a sealing plate 5 cannot sense the pressure of the valve plate 3 and can ascend due to a spring 7, a spring groove 8 and a spring rod 9 so as to shield a gap at the top of a discharge groove 10, water flow can be discharged rightwards through the left side of the valve pipe 2, and silt and impurities can be filtered, blocked and stay at the left side of a filter screen plate 12 by the filter screen plate 12.

The left side and the right side of the valve pipe 2 are fixedly connected with installation discs, and the inner wall of the valve pipe 2 is provided with an anti-corrosion coating, so that the valve pipe is more durable and firmer, the output end of the control valve body 1 is fixedly provided with a valve plate 3, the bottom of the valve plate 3 is fixedly provided with extension push rods 4 at equal intervals, the bottoms of the extension push rods 4 are lapped with the top of a sealing plate 5, the design can ensure that the valve pipe can better push the sealing plate 5 to descend when the silt is excessive, the right side surface of the valve plate 3 is provided with a storage groove 13, the front side and the back side of the inner wall of the storage groove 13 are fixedly connected through a rotating shaft 14, the surface of the rotating shaft 14 is sleeved with a cleaning rod 16, the right side of the cleaning rod 16 is provided with scraping bristles, the cleaning rod 16 is lapped with the left side of a filter screen plate 12 through the scraping bristles on the right side, and the design can scrape the surface of the filter screen plate 12 to be cleaned when the valve pipe descends, the top of the cleaning rod 16 is movably connected with the top of the inner wall of the accommodating groove 13 through a traction spring 15, the filter screen plate 12 is fixedly installed inside the valve pipe 2, when the control valve body 1 is started to control the valve plate 3 to descend, the cleaning rod 16 can automatically eject due to the traction spring 15 and scrape and rub the left side of the filter screen plate 12, the valve plate 3 can push the sealing plate 5 to descend through the extension push rod 4, and silt and impurities can fall inside the discharge groove 10 and then be discharged through the discharge holes 11 on the two sides.

The bottom of the valve pipe 2 is fixedly connected with a discharge chute 10, the top of the discharge chute 10 and the bottom of the inner wall of the valve pipe 2 keep the same horizontal line, and the top of a sealing plate 5 and the top of the discharge chute 10 keep the same horizontal line, the design can prevent the discharge chute 10 from being permeated by water flow when the sealing plate 5 is closed, the bottom of the inner wall of the discharge chute 10 is fixedly provided with two spring grooves 8, the inner parts of the spring grooves 8 are slidably connected with a spring rod 9, the bottom of the spring rod 9 is movably connected with the bottom of the inner wall of the spring groove 8 through a spring 7, the top of the spring rod 9 is fixedly connected with a sealing plate 5, the sealing plate 5 is in a trapezoidal design, the top of the sealing plate 5 is in an arc surface design, the design can better prevent the valve pipe 2 from leaking water and the like, the left side and the right side of the bottom of the sealing plate 5 are fixedly provided with a protection plate 6, the surface of the protection plate 6 is lapped with the inner wall of the discharge chute 10, the left and right sides of the discharge chute 10 are both provided with discharge ports 11.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a pneumatic push-pull valve, includes control valve body (1), its characterized in that: the bottom fixedly connected with valve pipe (2) of control valve body (1), the output fixed mounting of control valve body (1) has valve plate (3), the right side surface of valve plate (3) has been seted up and has been accomodate groove (13), accomodate the positive and negative of groove (13) inner wall and pass through pivot (14) fixed connection, the cover is equipped with cleaning rod (16) on the surface of pivot (14), the top of cleaning rod (16) is through traction spring (15) and the top swing joint of accomodating groove (13) inner wall, the inside fixed mounting of valve pipe (2) has filter plate (12), the bottom fixedly connected with blown down tank (10) of valve pipe (2), the bottom fixed mounting of blown down tank (10) inner wall has two spring grooves (8), the inside sliding connection of spring groove (8) has spring pole (9), the bottom swing joint of spring pole (9) is through the bottom of spring (7) and spring groove (8) inner wall, the top fixedly connected with closing plate (5) of spring beam (9), the equal fixed mounting in the left and right sides of closing plate (5) bottom has guard plate (6), the surface of guard plate (6) and the inner wall overlap joint of blown down tank (10), discharge gate (11) have all been seted up to the left and right sides of blown down tank (10).

2. The pneumatic gate valve of claim 1, wherein: the bottom of valve plate (3) is equidistant fixed mounting has extension push rod (4), and the top overlap joint of the bottom of extending push rod (4) and closing plate (5).

3. The pneumatic gate valve of claim 1, wherein: the sealing plate (5) is in a trapezoidal design, and the top of the sealing plate (5) is in an arc surface design.

4. The pneumatic gate valve of claim 1, wherein: the right side of the cleaning rod (16) is provided with the scraping bristles, and the cleaning rod (16) is in lap joint with the left side of the filter screen plate (12) through the scraping bristles on the right side.

5. The pneumatic gate valve of claim 1, wherein: the left side and the right side of the valve pipe (2) are both fixedly connected with installation discs, and the inner wall of the valve pipe (2) is provided with an anti-corrosion coating.

6. The pneumatic gate valve of claim 1, wherein: the top of the discharge chute (10) and the bottom of the inner wall of the valve pipe (2) are kept at the same horizontal line, and the top of the sealing plate (5) and the top of the discharge chute (10) are kept at the same horizontal line.