CN217301628U

CN217301628U - Flip valve

Info

Publication number: CN217301628U
Application number: CN202123454424.XU
Authority: CN
Inventors: 郭卫强; 诸亚明; 张景红; 翁鹏斌
Original assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Current assignee: Kunshan Kinglai Hygienic Materials Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-08-26
Anticipated expiration: 2031-12-31

Abstract

The utility model belongs to the technical field of, a flip valve is disclosed, including flip valve mechanism, flip valve mechanism includes flip main part, buffering main part, cradle and cylinder, the lower part fixed mounting of buffering main part is in the inside of cradle, flip main part movable mounting is on the upper portion of cradle, the upper end fixed connection of cylinder is at the lower extreme of cradle, the flip main part includes lid, connecting seat, connecting rod, first pendulum rod, second pendulum rod, first piston and push-and-pull rod, connecting seat and lid fixed connection, the side at the connecting seat is installed in the rotation of the upper portion of connecting rod, the lower part of connecting rod is rotated and is installed the upper portion at first pendulum rod, first pendulum rod passes through bull stick fixed connection with the second pendulum rod, the bull stick rotates the inner of installing at the cradle, the push-and-pull rod. The first piston moves downwards to drive the push-pull rod, the second swing rod, the first swing rod, the connecting rod and the connecting seat to enable the cover body to be closed downwards, and therefore the sealing stability of the closed cover body is improved.

Description

Flip valve

Technical Field

The utility model belongs to the technical field of the valve, specifically be a flip valve.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, and adjusting and controlling the parameters of temperature, pressure and flow of a conveying medium. According to the function of the valve, the valve can be divided into a shut-off valve, a check valve, a regulating valve and the like, for an air valve, the opening amplitude of the valve determines the flow rate of the valve, and after the conventional valve plate type valve is opened, the problem of poor stability of the conventional valve plate type valve is caused due to the fact that the range of the constraint force of the valve plate is small, so that a scheme capable of relieving the problem is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flip valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flip valve comprises a flip valve mechanism, the flip valve mechanism comprises a flip main body, a buffer main body, a shell frame and a cylinder, the lower part of the buffer main body is fixedly arranged in the shell frame, the flip main body is movably arranged on the upper part of the shell frame, the upper end of the cylinder is fixedly connected with the lower end of the shell frame, the flip main body comprises a cover body, a connecting seat, a connecting rod, a first swing rod, a second swing rod, a first piston and a push-pull rod, the connecting seat is fixedly connected with the cover body, the upper part of the connecting rod is rotatably arranged at the side end of the connecting seat, the lower part of the connecting rod is rotatably arranged on the upper part of the first swing rod, the first swing rod and the second swing rod are fixedly connected through a rotating rod, the rotating rod is rotatably arranged at the inner end of the shell frame, the push-pull rod, the lower end of the push-pull rod is rotatably arranged on the upper part of the first piston, the lower end of the connecting seat is rotatably arranged on the upper part of the shell frame.

Preferably, the flip body further comprises a buffering body, and the upper end of the buffering body is fixedly connected to the lower end of the second swing rod.

Preferably, the buffering main body comprises a second piston, a sliding sleeve and a fixed seat; the upper end of the second piston is fixedly connected to the lower end of the second swing rod, the second piston is installed on the inner wall of the sliding sleeve in a sliding and sealing mode, the upper end of the fixing seat is fixedly connected to the lower end of the sliding sleeve, and the sliding sleeve is fixedly connected to the inner wall of the shell frame.

Preferably, the buffering main body further comprises an air valve, the air valve is fixedly connected to the outer wall of the sliding sleeve, and the air valve is communicated with the inner space of the sliding sleeve.

Preferably, the air valve comprises a vent pipe and a valve plate, the vent pipe is fixedly connected to the outer wall of the sliding sleeve, the vent pipe is communicated with the inner space of the sliding sleeve, and the valve plate is rotatably installed at the side end of the vent pipe.

Preferably, the air valve further comprises a blocking frame, the blocking frame is fixedly connected to the outer wall of the vent pipe, and the valve plate is in sliding contact with the blocking frame.

Preferably, the air valve further comprises a handle, and the side end of the handle is fixedly connected to the outer wall of the valve plate.

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

1. adopt the upwards convex mode of first connecting rod and second connecting rod, improved flip's expansion state's stability, and ensured the gas flow volume, this auto-lock structure, the valve plate can remain closed state all the time under taking place the proruption outage situation, the protection can not be influenced at the processing product performance, drive push-and-pull rod, second pendulum rod, first pendulum rod, connecting rod and connecting seat through piston downstream and make the downward closed mode of lid, improved the sealed stability after the lid is closed.

2. The mode of air exchange of the air valve is adopted, so that the air compression resistance of the piston is reduced, the air rebounding capacity is also reduced, and the buffering effect of the buffering main body is improved.

Drawings

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

FIG. 2 is a schematic structural diagram of the flip cover main body of the present invention;

FIG. 3 is a schematic view of the split structure of the buffering main body of the present invention;

fig. 4 is the schematic view of the gas valve splitting structure of the present invention.

In the figure: 1. a flip valve mechanism; 2. a flip body; 3. a buffer body; 4. an air valve; 5. a housing; 6. A cover body; 7. a connecting seat; 8. a connecting rod; 9. a first swing link; 10. a second swing link; 11. a push-pull rod; 12. a cylinder; 13. a first piston; 15. a piston; 16. a sliding sleeve; 17. a fixed seat; 18. a breather pipe; 19. a valve plate; 20. a blocking frame; 21. a handle.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships according to the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, and are used to improve the connection between the description and the drawings and to increase the clarity of description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-2, a flip valve comprises a flip valve mechanism 1, the flip valve mechanism 1 comprises a flip main body 2, a buffer main body 3, a housing frame 5 and a cylinder 12, a lower portion of the buffer main body 3 is fixedly installed inside the housing frame 5, the flip main body 2 is movably installed on an upper portion of the housing frame 5, an upper end of the cylinder 12 is fixedly connected to a lower end of the housing frame 5, the flip main body 2 comprises a cover body 6, a connecting seat 7, a connecting rod 8, a first swing rod 9, a second swing rod 10, a first piston 13 and a push-pull rod 11, the connecting seat 7 is fixedly connected to the cover body 6, an upper portion of the connecting rod 8 is rotatably installed at a side end of the connecting seat 7, a lower portion of the connecting rod 8 is rotatably installed at an upper portion of the first swing rod 9, the first swing rod 9 is fixedly connected to the second swing rod 10 through a rotating rod, the rotating rod is rotatably installed at an inner end of the housing frame 5, the push-pull rod 11, a lower end of the push-pull rod 11 is rotatably installed at an upper portion of the first piston 13, the lower end of the connecting base 7 is rotatably mounted on the upper part of the housing 5. The first piston 13 is driven by the cylinder 12 to move downwards, the push-pull rod 11 is driven by the first piston 13 to move downwards, the push-pull rod 11 is driven to swing downwards, the second swing rod 10 is driven by the push-pull rod 11 to rotate, the rotating rod 10 is driven to rotate, the first swing rod 9 is driven by the rotating rod to swing, the connecting rod 8 is driven by the first swing rod 9 to drive the connecting seat 7 to overturn downwards, and the cover body 6 is driven to open upwards to reset by reverse operation in the same way.

The flip main body 2 further comprises a buffer main body 3, and the upper end of the buffer main body 3 is fixedly connected to the lower end of the second swing rod 10; the buffer main body 3 is used for providing buffer force for the second swing rod 10, and after the second connecting rod 9 drives the second swing rod 10 to slide up and down, the buffer main body 3 is used for reducing the sliding speed of the second swing rod 10, so that the swing speed of the second connecting rod 9 is reduced.

Referring to fig. 3, the buffering body 3 includes a second piston 15, a sliding sleeve 16 and a fixing seat 17; the upper end of a second piston 15 is fixedly connected with the lower end of the second swing rod 10, the second piston 15 is installed on the inner wall of a sliding sleeve 16 in a sliding and sealing mode, the upper end of a fixed seat 17 is fixedly connected with the lower end of the sliding sleeve 16, and the sliding sleeve 16 is fixedly connected with the inner wall of the shell frame 5; when the second swing link 10 drives the second piston 15 to slide along the inner wall of the sliding sleeve 16, the acting force is buffered by using the air cushion.

The buffering main body 3 further comprises an air valve 4, the air valve 4 is fixedly connected to the outer wall of the sliding sleeve 16, and the air valve 4 is communicated with the inner space of the sliding sleeve 16; the air valve 4 is used for controlling the exhaust or suction speed of the sliding sleeve 16, so as to achieve the effect of controlling the exhaust or suction speed of the second piston 15.

Referring to fig. 4, the air valve 4 includes an air pipe 18 and a valve plate 19, the air pipe 18 is fixedly connected to the outer wall of the sliding sleeve 16, the air pipe 18 is connected to the inner space of the sliding sleeve 16 in a penetrating manner, and the valve plate 19 is rotatably installed at the side end of the air pipe 18; the ventilation volume of the ventilation pipe 18 is adjusted by rotating the valve plate 19.

The air valve 4 also comprises a blocking frame 20, the blocking frame 20 is fixedly connected with the outer wall of the vent pipe 18, and the valve plate 19 is in sliding contact with the blocking frame 20; the valve sheet 19 is prevented from separating from the vent pipe 18 by the retainer 20 restraining the valve sheet 19.

The air valve 4 also comprises a handle 21, and the side end of the handle 21 is fixedly connected with the outer wall of the valve plate 19; the handle 21 facilitates the rotation of the manual operation valve plate 19.

The working principle is as follows: the first piston 13 is driven by the cylinder 12 to move downwards, the push-pull rod 11 is driven by the first piston 13 to move downwards, the push-pull rod 11 is driven to swing downwards, the second swing rod 10 is driven by the push-pull rod 11 to rotate, the rotating rod 10 is driven to rotate, the first swing rod 9 is driven by the rotating rod to swing, the connecting rod 8 is driven by the first swing rod 9 to drive the connecting seat 7 to overturn downwards, and the cover body 6 is driven to open upwards to reset by reverse operation in the same way.

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

Claims

1. A flip-top valve comprising a flip-top valve mechanism (1), characterized in that: the flip valve mechanism (1) comprises a flip main body (2), a buffer main body (3), a housing frame (5) and a cylinder (12), wherein the lower part of the buffer main body (3) is fixedly arranged inside the housing frame (5), the flip main body (2) is movably arranged on the upper part of the housing frame (5), the upper end of the cylinder (12) is fixedly connected with the lower end of the housing frame (5), the flip main body (2) comprises a cover body (6), a connecting seat (7), a connecting rod (8), a first swing rod (9), a second swing rod (10), a first piston (13) and a push-pull rod (11), the connecting seat (7) is fixedly connected with the cover body (6), the upper part of the connecting rod (8) is rotatably arranged at the side end of the connecting seat (7), the lower part of the connecting rod (8) is rotatably arranged at the upper part of the first swing rod (9), the first swing rod (9) is fixedly connected with the second swing rod (10) through a rotating rod, the rotating rod is rotatably arranged at the inner end of the shell frame (5), the lower end of the push-pull rod (11) is rotatably arranged at the upper part of the first piston (13), and the lower end of the connecting seat (7) is rotatably arranged at the upper part of the shell frame (5).

2. A flip-top valve according to claim 1, wherein: the flip main body (2) further comprises a buffer main body (3), and the upper end of the buffer main body (3) is fixedly connected to the lower end of the second swing rod (10).

3. A flip-top valve according to claim 2, wherein: the buffer main body (3) comprises a second piston (15), a sliding sleeve (16) and a fixed seat (17); the upper end of the second piston (15) is fixedly connected to the lower end of the second swing rod (10), the second piston (15) is installed on the inner wall of the sliding sleeve (16) in a sliding and sealing mode, the upper end of the fixed seat (17) is fixedly connected to the lower end of the sliding sleeve (16), and the sliding sleeve (16) is fixedly connected to the inner wall of the shell frame (5).

4. A flip-top valve according to claim 3, wherein: the buffer main body (3) further comprises an air valve (4), the air valve (4) is fixedly connected to the outer wall of the sliding sleeve (16), and the air valve (4) is communicated with the inner space of the sliding sleeve (16).

5. A flip-top valve according to claim 4, wherein: the air valve (4) comprises an air pipe (18) and a valve plate (19), the air pipe (18) is fixedly connected to the outer wall of the sliding sleeve (16), the air pipe (18) is communicated with the inner space of the sliding sleeve (16), and the valve plate (19) is rotatably installed at the side end of the air pipe (18).

6. A flip-top valve according to claim 5, wherein: the air valve (4) further comprises a blocking frame (20), the blocking frame (20) is fixedly connected to the outer wall of the vent pipe (18), and the valve plate (19) is in sliding contact with the blocking frame (20).

7. A flip-top valve according to claim 5, wherein: the air valve (4) further comprises a handle (21), and the side end of the handle (21) is fixedly connected to the outer wall of the valve plate (19).