CN214197317U

CN214197317U - Butterfly valve with lower limiting device

Info

Publication number: CN214197317U
Application number: CN202023050595.1U
Authority: CN
Inventors: 许秀舫; 郑景辉; 唐家伟; 李淑杰
Original assignee: Tieling Large Valve Group Co ltd
Current assignee: Tieling Large Valve Group Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-09-14
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a butterfly valve of stop device under area, which comprises a valve body, the top fixedly connected with support of valve body, the top of support is run through and is provided with the bolt, valve body inner chamber's top and bottom are all seted up flutedly, the inner chamber swing joint of recess has the pivot, the fixed surface of pivot is connected with the valve block, the both sides of valve body inner chamber bottom all run through and are provided with the gag lever post, the bottom of gag lever post runs through to the outside of valve body, and fixedly connected with presses the board, the equal fixedly connected with fixed block in one side that the gag lever post is relative, the equal fixedly connected with casing in both sides of valve body bottom. The utility model discloses a valve body, support, bolt, recess, pivot, valve block, gag lever post, press the cooperation of board, fixed block, casing, fly leaf, spring and branch to use, it is all fixed to have solved current stop device, is not convenient for move about the gag lever post, has reduced the problem of stop device's practicality.

Description

Butterfly valve with lower limiting device

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve of stop device under area.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, the butterfly valve takes a closing member, namely a valve clack or a butterfly plate, as a disc, the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal, radioactive media and the like, and mainly plays the roles of cutting off and throttling on a pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body, thereby achieving the purpose of opening and closing or adjusting, the butterfly valve needs to limit the valve block through a limiting device in the use process, but the existing limiting device is fixed, is not convenient for moving a limiting rod, and reduces the practicability of the limiting device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve of stop device under area possesses mobilizable advantage, has solved current stop device and all is fixed, is not convenient for move about the gag lever post, has reduced the problem of stop device's practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with a lower limiting device comprises a valve body, wherein a support is fixedly connected to the top of the valve body, a bolt is arranged at the top of the support in a penetrating manner, grooves are formed in the top and the bottom of an inner cavity of the valve body respectively, a rotating shaft is movably connected to the inner cavity of each groove, a valve block is fixedly connected to the surface of each rotating shaft, limiting rods are arranged at two sides of the bottom of the inner cavity of the valve body in a penetrating manner, the bottom of each limiting rod penetrates through the outer portion of the valve body and is fixedly connected with a pressing plate, a fixed block is fixedly connected to one side, opposite to the limiting rods, of the bottom of the valve body, a shell is fixedly connected to two sides of the bottom of the inner cavity of the shell, movable plates are movably connected to the top and the bottom of the inner cavity of the shell, a spring is fixedly connected between one side of each movable plate and the inner wall of the shell, a support rod is fixedly connected to one side, away from the movable plates, of each support rod penetrates through the outer portion of the shell, and contacts the stop lever.

Preferably, the front surface and the back surface of the valve plate are both provided with a limiting groove, and the two limiting grooves are respectively arranged corresponding to the positions of the two limiting rods.

Preferably, through holes matched with the limiting rods for use are formed in the two sides of the bottom of the inner cavity of the valve body, and sealing rings are fixedly connected to the inner cavity of the through holes.

Preferably, the two sides of the valve body are fixedly connected with butt-joint pieces, the inner cavity of each butt-joint piece is provided with a round hole, and the top and the bottom of the inner cavity of each butt-joint piece are provided with threaded holes.

Preferably, the top and the bottom of the inner cavity of the shell are both provided with sliding grooves, the inner cavity of each sliding groove is connected with a sliding block in a sliding mode, and one side, opposite to the sliding block, of each sliding block is fixedly connected with the movable plate.

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

1. the utility model discloses a valve body, support, bolt, recess, pivot, valve block, gag lever post, press the cooperation of board, fixed block, casing, fly leaf, spring and branch to use, it is all fixed to have solved current stop device, is not convenient for move about the gag lever post, has reduced the problem of stop device's practicality.

2. The utility model discloses a set up the spacing groove, can be convenient for carry out better spacing to the valve block, through the cooperation that sets up through-hole and sealing washer, can be convenient for seal the gag lever post, through the cooperation that sets up butt joint piece, round hole and screw hole, can be convenient for install the valve body, through the cooperation that sets up spout and slider, can be convenient for the removal of fly leaf.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. a valve body; 2. a support; 3. a bolt; 4. a groove; 5. a rotating shaft; 6. a valve plate; 7. a limiting rod; 8. pressing a plate; 9. a fixed block; 10. a housing; 11. a movable plate; 12. a spring; 13. a strut; 14. a limiting groove; 15. a through hole; 16. a seal ring; 17. a docking member; 18. a circular hole; 19. a threaded hole; 20. a chute; 21. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a butterfly valve with a lower limiting device comprises a valve body 1, a support 2 is fixedly connected to the top of the valve body 1, a bolt 3 is arranged on the top of the support 2 in a penetrating manner, grooves 4 are arranged on the top and the bottom of an inner cavity of the valve body 1, a rotating shaft 5 is movably connected to the inner cavity of the grooves 4, a valve plate 6 is fixedly connected to the surface of the rotating shaft 5, limiting rods 7 are arranged on two sides of the bottom of the inner cavity of the valve body 1 in a penetrating manner, the bottom of the limiting rods 7 penetrates to the outside of the valve body 1, a pressing plate 8 is fixedly connected to the bottom of the limiting rods 7, a fixed block 9 is fixedly connected to one side opposite to the limiting rods 7, a housing 10 is fixedly connected to two sides of the bottom of the valve body 1, movable plates 11 are movably connected to the top and the bottom of the inner cavity of the housing 10, a spring 12 is fixedly connected between one side of the movable plate 11 and the inner wall of the housing 10, a supporting rod 13 is fixedly connected to one side of the movable plate 11 far away from the spring 12, one end of the supporting rod 13, which is far away from the movable plate 11, penetrates to the outside of the shell 10 and is in contact with the limiting rod 7, the front and the back of the valve block 6 are both provided with limiting grooves 14, the valve block 6 can be better limited by arranging the limiting grooves 14, the two limiting grooves 14 are respectively arranged corresponding to the positions of the two limiting rods 7, both sides of the bottom of the inner cavity of the valve body 1 are both provided with through holes 15 matched with the limiting rods 7 for use, the limiting rods 7 can be conveniently sealed by arranging the through holes 15 and sealing rings 16 in a matched manner, the inner cavity of the through holes 15 is fixedly connected with sealing rings 16, both sides of the valve body 1 are fixedly connected with butt-joint pieces 17, the valve body 1 can be conveniently installed by arranging the butt-joint pieces 17, the round holes 18 and the threaded holes 19 in the inner cavity of the butt-joint pieces 17, the top and the bottom of the inner cavity of the butt-joint pieces 17 are both provided with the threaded holes 19, spout 20 has all been seted up with the bottom at the top of casing 10 inner chamber, through the cooperation that sets up spout 20 and slider 21, the removal of fly leaf 11 that can be convenient for, the inner chamber sliding connection of spout 20 has slider 21, one side that slider 21 is relative all with fly leaf 11 fixed connection, through valve body 1, and a support 2, bolt 3, recess 4, pivot 5, valve block 6, gag lever post 7, press board 8, fixed block 9, casing 10, fly leaf 11, the cooperation of spring 12 and branch 13 is used, it all is fixed to have solved current stop device, be not convenient for move about gag lever post 7, the problem of stop device's practicality has been reduced.

During the use, when needs move gag lever post 7, the pulling presses board 8, press board 8 to drive gag lever post 7 and remove, it removes to drive fixed block 9 simultaneously, fixed block 9 drives branch 13 and removes, branch 13 drives fly leaf 11 and removes, fly leaf 11 drives spring 12 and stretches out and draws back, when fixed block 9 removes to the below of branch 13, spring 12 resets and drives branch 13 and remove, and spacing to fixed block 9, and then it is fixed to have solved current stop device, be not convenient for move about gag lever post 7, the problem of stop device's practicality has been reduced.

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. The utility model provides a butterfly valve of stop device under area, includes valve body (1), its characterized in that: the top of the valve body (1) is fixedly connected with a support (2), the top of the support (2) is provided with a bolt (3) in a penetrating manner, the top and the bottom of an inner cavity of the valve body (1) are provided with grooves (4), the inner cavity of each groove (4) is movably connected with a rotating shaft (5), the surface of each rotating shaft (5) is fixedly connected with a valve block (6), two sides of the bottom of the inner cavity of the valve body (1) are provided with limiting rods (7) in a penetrating manner, the bottom of each limiting rod (7) penetrates to the outside of the valve body (1) and is fixedly connected with a pressing plate (8), one side opposite to each limiting rod (7) is fixedly connected with a fixed block (9), two sides of the bottom of the valve body (1) are fixedly connected with a shell (10), the top and the bottom of the inner cavity of the shell (10) are both movably connected with a movable plate (11), a spring (12) is fixedly connected between one side of each movable plate (11) and the inner wall of the shell (10), one side of the movable plate (11) far away from the spring (12) is fixedly connected with a supporting rod (13), and one end of the supporting rod (13) far away from the movable plate (11) penetrates through the outer portion of the shell (10) and is in contact with the limiting rod (7).

2. The butterfly valve with the lower limiting device according to claim 1, wherein: limiting grooves (14) are formed in the front face and the back face of the valve plate (6), and the two limiting grooves (14) are arranged corresponding to the positions of the two limiting rods (7) respectively.

3. The butterfly valve with the lower limiting device according to claim 1, wherein: through-holes (15) matched with the limiting rods (7) are formed in the two sides of the bottom of the inner cavity of the valve body (1), and sealing rings (16) are fixedly connected to the inner cavities of the through-holes (15).

4. The butterfly valve with the lower limiting device according to claim 1, wherein: the valve is characterized in that butt-joint pieces (17) are fixedly connected to two sides of the valve body (1), a round hole (18) is formed in an inner cavity of each butt-joint piece (17), and threaded holes (19) are formed in the top and the bottom of the inner cavity of each butt-joint piece (17).

5. The butterfly valve with the lower limiting device according to claim 1, wherein: the top and the bottom of the inner cavity of the shell (10) are both provided with a sliding groove (20), the inner cavity of the sliding groove (20) is connected with a sliding block (21) in a sliding manner, and one side, opposite to the sliding block (21), of the sliding block is fixedly connected with the movable plate (11).