CN210372082U

CN210372082U - Horizontal gate valve

Info

Publication number: CN210372082U
Application number: CN201921096186.XU
Authority: CN
Inventors: 余正华
Original assignee: Yongjia Ruijie Valve Manufacturing Co ltd
Current assignee: Yongjia Ruijie Valve Manufacturing Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-21
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a horizontal push-pull valve, its technical scheme main points are including the compensator, and the upper end of compensator is connected on the lower extreme of well valve body, and valve plate sliding connection is in the frame to set up between last valve body and well valve body, the bottom of frame is provided with the impeller, and the flexible end of impeller is fixed on well valve body, and the valve body removes to the valve plate in the promotion, and valve body pressure valve plate and last valve body are closed in the messenger. The utility model discloses following beneficial effect has: the compensator is connected with the middle valve body and the lower valve body, so that gaps are reduced, and the sealing effect is enhanced. The pusher pushes the middle valve body to press the valve plate and the upper valve body to be closed, so that gaps are reduced, and the sealing effect is enhanced. The pusher preferably uses an oil cylinder, hydraulic pressure is large, reaction speed is accelerated, gaps are reduced, and sealing effect is enhanced.

Description

Horizontal gate valve

Technical Field

The utility model relates to a valve, more specifically say, it relates to a horizontal push-pull valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and regulating and controlling the parameters of temperature, pressure and flow of a conveying medium. The horizontal gate valve is a device for opening and closing pipelines in industry. When the horizontal gate valve is used for opening and closing the valve, the valve plate and the valve body can generate large friction, and the valve plate and the valve body are greatly lost, so that the valve is easy to leak.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a horizontal push-pull valve, this valve can reduce the clearance between valve plate and the valve body, has good sealing performance.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a horizontal gate valve, which comprises a frame, valve body and valve plate, the valve body includes the valve body, well valve body and lower valve body, it sets up with lower valve body relatively to go up the valve body, and fix in the frame, the upper end of lower valve body is connected with the telescopic compensator, the upper end of compensator is connected on the lower extreme of well valve body, valve plate sliding connection is in the frame, and set up between last valve body and well valve body, the bottom of frame is provided with the impeller, the flexible end of impeller is fixed on well valve body, the valve body removes to the valve plate in the promotion, valve body pressure valve plate and last valve body closure in making, be provided with the rack on the valve plate, be provided with the pivot in the frame, sprocket and gear, the middle part of pivot is rotated and is connected in the frame, the outer end in the pivot is installed.

The utility model discloses further set up to: still be provided with first fixed axle in the frame, be provided with first pulley on the first fixed axle, the valve plate passes through first pulley sliding connection in the frame.

The utility model discloses further set up to: and a second fixed shaft which is symmetrical to the first fixed shaft is further arranged on the rack, a second pulley is arranged on the second fixed shaft, and the valve plate is placed on the second pulley.

The utility model discloses further set up to: still be provided with first limiting plate on the valve plate, be provided with first spacing axle on the top surface of frame, the lower extreme of first spacing axle rotates and is connected with first spacing wheel, and first spacing wheel butt is on first limiting plate.

The utility model discloses further set up to: the valve plate is further provided with a second limiting plate which is symmetrical to the first limiting plate, the top surface of the rack is further provided with a second limiting shaft which is symmetrical to the first limiting shaft, the lower end of the second limiting shaft is rotatably connected with a second limiting wheel, and the second limiting wheel is abutted against the first limiting plate.

The utility model discloses further set up to: the valve plate is also provided with a first hole and a second hole, the first hole is provided with a blind plate for sealing circulation, and the second hole is provided with a through plate for opening circulation.

To sum up, the utility model discloses following beneficial effect has: the compensator is connected with the middle valve body and the lower valve body, so that gaps are reduced, and the sealing effect is enhanced. The pusher pushes the middle valve body to press the valve plate and the upper valve body to be closed, so that gaps are reduced, and the sealing effect is enhanced. The pusher preferably uses an oil cylinder, hydraulic pressure is large, reaction speed is accelerated, gaps are reduced, and sealing effect is enhanced. The gear is meshed with the rack, so that the transmission power is large, the service life is long, the work is stable, the reliability is high, and the constant transmission ratio is ensured. The valve plate is connected to the frame in a sliding mode, so that the valve plate can slide into the valve body smoothly, sliding or extraction of the valve plate is facilitated, friction is reduced, and sliding speed is increased. The chain wheel is externally connected with a driving device, is suitable for different types of power, is matched with different devices for use, is synchronously opened and closed or is independently used, is convenient to install and connect, and is matched with the flow of different media. The external drive power of sprocket drives the valve plate and slides, and the sprocket can be connected and provide the drive arrangement of big drive power for the speed of opening and close the valve, make the valve need not the manual operation, substitute the people through machinery, alleviate staff's burden, increase work efficiency.

Drawings

FIG. 1 is a schematic perspective view of a horizontal gate valve;

FIG. 2 is a schematic cross-sectional view of the left side structure of the horizontal gate valve;

fig. 3 is a schematic front view of the structure of the horizontal gate valve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1, a horizontal gate valve comprises a frame 11, a valve body 1 and a valve plate 2, wherein the valve body 1 comprises an upper valve body 12, a middle valve body 13 and a lower valve body 14, the upper valve body 12 and the lower valve body 14 are oppositely arranged and fixed on the frame 11, the upper end of the lower valve body 14 is connected with a telescopic compensator 15, the upper end of the compensator 15 is connected with the lower end of the middle valve body 13, the valve plate 2 is slidably connected on the frame 11 and arranged between the upper valve body 12 and the middle valve body 13, the bottom of the frame 11 is provided with a pusher 3, the telescopic end of the pusher 3 is fixed on the middle valve body 13 to push the middle valve body 13 to move towards the valve plate 2, so that the middle valve body 13 presses the valve plate 2 to close the upper valve body 12, the valve plate 2 is provided with a rack 21, the frame 11 is provided with a rotating shaft 4, a chain wheel 42 and a gear 41, the middle, a gear 41 is installed at the inner end of the rotation shaft 4, and the gear 41 is engaged with the rack 21.

Through above-mentioned scheme, valve body 13 and lower valve body 14 in the compensator 15 connection reduce the gap, strengthen sealed effect. The pusher 3 pushes the middle valve body 13 to press the valve plate 2 and the upper valve body 12 to be closed, so that gaps are reduced, and the sealing effect is enhanced. The pusher 3 preferably uses an oil cylinder, the hydraulic pressure is large, the reaction speed is accelerated, gaps are reduced, and the sealing effect is enhanced. The gear 41 is meshed with the rack 21, so that the transmission power is large, the service life is long, the work is stable, the reliability is high, and the constant transmission ratio is ensured. The valve plate 2 is connected to the frame 11 in a sliding manner, so that the valve plate 2 can slide into the valve body 1 smoothly, sliding or extraction of the valve plate 2 is facilitated, friction is reduced, and sliding-in and extraction speed is increased. The chain wheel 42 is externally connected with a driving device, is suitable for different types of power, is matched with different devices for use, is synchronously opened and closed or is independently used, is convenient to install and connect, and is matched with the flow of different media. The external drive power of sprocket 42 drives the valve plate 2 and slides, and sprocket 42 can connect the drive arrangement who provides big drive power for the speed of opening and close the valve for the valve need not the manual operation, replaces the people through machinery, alleviates staff's burden, increases work efficiency.

As a modified specific embodiment, the frame 11 is further provided with a first fixed shaft 111, the first fixed shaft 111 is provided with a first pulley 112, and the valve plate 2 is slidably connected to the frame 11 through the first pulley 112.

Through the scheme, the valve plate 2 is connected to the frame 11 in a sliding mode through the first pulley 112, friction is reduced, the valve plate 2 smoothly slides into the valve body 1, sliding-in and pulling-out speed is increased, and valve opening and closing speed can be increased.

As a modified specific embodiment, the frame 11 is further provided with a second fixed shaft 113 symmetrical to the first fixed shaft 111, the second fixed shaft 113 is provided with a second pulley 114, and the valve plate 2 is placed on the second pulley 114.

Through above-mentioned scheme, valve plate 2 is placed on first pulley 112 and second pulley 114, forms two sliding connection, strengthens sliding connection's effect, reduces frictional force, can accelerate the speed of opening and close the valve to can bear bigger load, be difficult for because receive the impact and warp.

As an improved specific embodiment, the valve plate 2 is further provided with a first limiting plate 22, the top surface of the frame 11 is provided with a first limiting shaft 121, and the lower end of the first limiting shaft 121 is rotatably connected with a first limiting wheel 122, which abuts against the first limiting plate 22.

Through the above scheme, first spacing wheel 122 reduces frictional force, avoids influencing the switching of valve to be favorable to spacing valve plate 2, direction valve plate 2 makes valve plate 2 slide into valve body 1 smoothly, is favorable to sliding into or taking out of valve plate 2, accelerates opening and close of valve.

As an improved specific embodiment, the valve plate 2 is further provided with a second limiting plate 23 symmetrical to the first limiting plate 22, the top surface of the frame 11 is further provided with a second limiting shaft 123 symmetrical to the first limiting shaft 121, the lower end of the second limiting shaft 123 is rotatably connected with a second limiting wheel 124, and the second limiting wheel 124 abuts against the first limiting plate 22.

Through the scheme, the first limiting wheel 122, the second limiting wheel 124 and the double-limiting structure are beneficial to further limiting the motion track of the valve plate 2, so that the valve plate 2 can be accurately matched with a valve port, the sealing performance is improved, and the valve can be opened and closed smoothly.

As a modified specific embodiment, the valve plate 2 is further provided with a first hole 25 and a second hole 24, the first hole 25 is provided with a blind plate 251 for closing the flow, and the second hole 24 is provided with a through plate 241 for opening the flow.

Through above-mentioned scheme, through removing valve plate 2, be connected blind plate 251 on the first hole 25 or logical board 241 on the second hole 24 with valve body 1, be favorable to strengthening connection structure, make valve body 1 seal or open, improve sealing performance, reduce the gap, improve sealing performance. Through the arrangement of the blind plate 251 and the through plate 241, the valve plate 2 is stressed similarly when being opened and closed. The position where the compensator 15 needs to be moved is also similar to avoid variations in other factors when opening or closing, affecting the sealing performance of the valve.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a horizontal push-pull valve, includes frame (11), valve body (1) and valve plate (2), characterized by: valve body (1) includes valve body (12), well valve body (13) and lower valve body (14), go up valve body (12) and lower valve body (14) and set up relatively to fix in frame (11), the upper end of lower valve body (14) is connected with telescopic compensator (15), the upper end of compensator (15) is connected on the lower extreme of well valve body (13), valve plate (2) sliding connection is in frame (11) to set up between last valve body (12) and well valve body (13), the bottom of frame (11) is provided with impeller (3), the flexible end of impeller (3) is fixed on well valve body (13), pushes away in valve body (13) and removes to valve plate (2), makes well valve body (13) oppress valve plate (2) and go up valve body (12) closure, be provided with rack (21) on valve plate (2), be provided with pivot (4) on frame (11), Sprocket (42) and gear (41), the middle part of pivot (4) is rotated and is connected on frame (11), the outer end at pivot (4) is installed in sprocket (42), the inner at pivot (4) is installed in gear (41), gear (41) and rack (21) meshing.

2. The horizontal gate valve of claim 1, wherein: still be provided with first fixed axle (111) on frame (11), be provided with first pulley (112) on first fixed axle (111), valve plate (2) are through first pulley (112) sliding connection on frame (11).

3. The horizontal gate valve of claim 2, wherein: the frame (11) is further provided with a second fixed shaft (113) which is symmetrical to the first fixed shaft (111), a second pulley (114) is arranged on the second fixed shaft (113), and the valve plate (2) is placed on the second pulley (114).

4. The horizontal gate valve of claim 1, wherein: still be provided with first limiting plate (22) on valve plate (2), be provided with first spacing axle (121) on the top surface of frame (11), the lower extreme of first spacing axle (121) rotates and is connected with first spacing wheel (122), first spacing wheel (122) butt is on first limiting plate (22).

5. The horizontal gate valve of claim 4, wherein: still be provided with second limiting plate (23) symmetrical with first limiting plate (22) on valve plate (2), still be provided with spacing axle (123) of second symmetrical with first spacing axle (121) on the top surface of frame (11), the lower extreme of spacing axle (123) of second rotates and is connected with spacing wheel (124) of second, spacing wheel (124) butt of second is on first limiting plate (22).

6. The horizontal gate valve of claim 1, wherein: the valve plate (2) is further provided with a first hole (25) and a second hole (24), the first hole (25) is provided with a blind plate (251) used for closing circulation, and the second hole (24) is provided with a through plate (241) used for opening circulation.