CN212455524U

CN212455524U - Vibration-resistant valve structure

Info

Publication number: CN212455524U
Application number: CN202020536326.7U
Authority: CN
Inventors: 梁海峰
Original assignee: Individual
Current assignee: Chengdu Bright Fluid Control Engineering Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2021-02-02
Anticipated expiration: 2030-04-13

Abstract

The utility model belongs to the technical field of valve equipment, especially, be a valve structure of resistant vibration, to the relatively poor sealed unstable problem that leads to of current butterfly valve resistant vibration performance, the following scheme is proposed at present, and it includes the base, base top fixed mounting has the riser, and the sleeve has all been welded at riser both sides top, and equal fixed mounting has the intercommunication pipeline in two sleeves, and the equal fixed mounting of one end that two intercommunication pipelines kept away from each other has the flange, and sliding connection has same valve body in two intercommunication pipelines, rotates between valve body top inner wall and the bottom inner wall and installs same pivot, and fixed mounting has the butterfly plate in the pivot, butterfly plate and valve body inner wall movable sealing connection, two ring channels have been seted up in the valve body outside, and equal fixed mounting has the. The utility model has the advantages of reasonable design, guarantee the sealing performance of valve body through setting up the bayonet lock to carry out the shock attenuation to the valve body through setting up damping spring, thereby guarantee the shock resistance of valve body.

Description

Vibration-resistant valve structure

Technical Field

The utility model relates to a valve equipment technical field especially relates to a valve structure of resistant vibration.

Background

The butterfly valve is also called as a flap valve, is a regulating valve with simple structure, is suitable for pipelines for conveying various corrosive and non-corrosive fluid media in engineering systems such as producer furnaces, coal gas, natural gas, liquefied petroleum gas, urban coal gas, cold and hot air, chemical smelting, power generation, environmental protection, building water supply and drainage and the like, and is used for regulating and cutting off the flow of the media.

The butterfly valve has the shortcoming of poor high temperature resistance in the actual operation process, and connecting tube and butterfly valve are laid and are installed in different use sites, to the use site that vibrations intensity is great, can lead to the butterfly valve to influence its each item performance under continuous vibrations, for example sealing performance, pressure-bearing performance etc. to cause the shortening of life, traditional butterfly valve shock attenuation effect is poor, and vibrations can seriously influence its normal behavior, therefore we have proposed a valve structure of resistant vibration and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing butterfly valve has poor vibration resistance and leads to unstable sealing, and providing a vibration-resistant valve structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a vibration-resistant valve structure comprises a base, wherein a vertical plate is fixedly installed at the top of the base, sleeves are welded at the tops of two sides of the vertical plate, communicating pipelines are fixedly installed in the two sleeves, a flange is fixedly installed at one end, far away from each other, of each communicating pipeline, a valve body is connected in the two communicating pipelines in a sliding mode, a rotating shaft is rotatably installed between the inner wall of the top of the valve body and the inner wall of the bottom of the valve body, a butterfly plate is fixedly installed on the rotating shaft and movably and hermetically connected with the inner wall of the valve body, two annular grooves are formed in the outer side of the valve body, sealing rings are fixedly installed in the two annular grooves and respectively slidably and hermetically connected with the inner walls of the two communicating pipelines, a vertical rod is fixedly installed at the bottom of the valve body, a sliding groove is formed in the top of the vertical, the improved rotary valve is characterized in that a square groove is formed in the top end of the rotary shaft, a square rod is connected in the square groove in a sliding mode, a disc is fixedly mounted at the top end of the square rod, a plurality of clamping pins are fixedly mounted at the bottom of the disc, the clamping pins are arranged in an annular equidistant mode, a plurality of clamping grooves matched with the clamping pins are formed in the outer side of the valve body, and the clamping pins are clamped with the corresponding clamping grooves in an activity mode.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the square groove, limiting rods are fixedly mounted on the two sides of the square rod, the two limiting rods are connected with the corresponding limiting grooves in a sliding mode, the square rod is limited, and the square rod is prevented from moving excessively.

Preferably, the outer side of the rotating shaft is fixedly sleeved with a sealing sleeve, and the valve body rotating sealing sleeve is arranged on the outer side of the sealing sleeve and used for sealing the rotating shaft.

Preferably, square pole bottom fixedly connected with reset spring's one end, reset spring's the other end and square groove bottom inner wall fixed connection reset square pole.

Preferably, the assembly grooves are formed in four corners of the top of the base, and the inner walls of the bottoms of the four assembly grooves are provided with assembly holes, so that the device is convenient to mount.

Preferably, the two sides of the top of the disc are fixedly connected with one ends of the connecting rods, and the other ends of the two connecting rods are fixedly connected with the same hand wheel, so that the disc can be controlled conveniently.

In the utility model, the vibration-resistant valve structure drives the disc to move upwards and separate the plurality of bayonet locks from the corresponding clamping grooves by pulling the hand wheel upwards, then rotates the hand wheel and drives the rotating shaft to rotate by matching the square rod with the square groove, the rotating shaft drives the butterfly plate to rotate, thereby realizing the opening and closing of the valve body, the square rod resets under the action of the reset spring to drive the disc to reset and enable the bayonet locks to be clamped into the corresponding clamping grooves, thereby fixing the butterfly plate and ensuring the sealing of the valve body;

in the utility model, the valve body slides between the two communicating pipelines in the using process, the two sealing rings seal the valve body and relax the impact of the valve body through the damping spring, so that the valve body is damped, the influence on the adjacent connecting pieces under the condition of large pressure is reduced, and the sealing effect of the whole pipeline is ensured;

the utility model has the advantages of reasonable design, guarantee the sealing performance of valve body through setting up the bayonet lock to carry out the shock attenuation to the valve body through setting up damping spring, thereby guarantee the shock resistance of valve body, convenient to use, the reliability is high.

Drawings

Fig. 1 is a schematic structural diagram of a vibration-resistant valve structure according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of a vibration-resistant valve structure according to the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a sleeve; 4. a communicating pipe; 5. a valve body; 6. a flange; 7. a rotating shaft; 8. a butterfly plate; 9. a disc; 10. a bayonet lock; 11. a clamping groove; 12. a square groove; 13. a limiting rod; 14. sealing sleeves; 15. a vertical rod; 16. a chute; 17. a damping spring; 18. a connecting rod; 19. a hand wheel; 20. a square rod; 21. a limiting groove; 22. a seal ring; 23. a return spring; 24. and (7) assembling holes.

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.

Referring to fig. 1-2, a vibration-resistant valve structure comprises a base 1, wherein a vertical plate 2 is fixedly installed on the top of the base 1, sleeves 3 are welded on the tops of two sides of the vertical plate 2, communicating pipes 4 are fixedly installed in the two sleeves 3, a flange 6 is fixedly installed at one end, away from each other, of each of the two communicating pipes 4, a same valve body 5 is slidably connected in the two communicating pipes 4, a same rotating shaft 7 is rotatably installed between the inner wall of the top and the inner wall of the bottom of the valve body 5, a butterfly plate 8 is fixedly installed on the rotating shaft 7, the butterfly plate 8 is movably and hermetically connected with the inner wall of the valve body 5, two annular grooves are formed in the outer side of the valve body 5, sealing rings 22 are fixedly installed in the two annular grooves, the two sealing rings 22 are respectively and slidably and hermetically connected with the inner walls of the, 15 both sides bottom of montant equal fixedly connected with damping spring 17's one end, two damping spring 17's the other end respectively with 16 both sides inner wall fixed connection of spout, square groove 12 has been seted up on 7 tops of pivot, sliding connection has square pole 20 in the square groove 12, 20 top fixed mounting of square pole have

disc

9, 9 bottom fixed mounting of disc has a plurality of bayonet locks 10, a plurality of bayonet locks 10 are the equidistant setting of annular, the joint groove 11 of a plurality of and bayonet lock 10 adaptations has been seted up in the valve body 5 outside, a plurality of bayonet locks 10 all clamp with the joint groove 11 activity that corresponds. On the upper part

The utility model discloses in, all seted up spacing groove 21 on the inner wall of square groove 12 both sides, the equal fixed mounting in square pole 20 both sides has gag lever post 13, and two gag lever posts 13 all with the corresponding spacing groove 21 sliding connection, carry on spacingly to square pole 20, prevent that square pole from excessively moving.

The utility model discloses in, the fixed cover in the 7 outside of pivot is equipped with

seal cover

14, and 5 rotating seal cover of valve body are established in the seal cover 14 outside, seal 7 to the pivot.

The utility model discloses in, square pole 20 bottom fixedly connected with reset spring 23's one end, reset spring 23's the other end and square groove 12 bottom inner wall fixed connection reset square pole 20.

The utility model discloses in, the assembly groove has all been seted up in 1 top four corners of base, has all seted up the pilot hole on four assembly groove bottom inner walls, the installation of the device of being convenient for.

The utility model discloses in, the one end of the equal fixedly connected with connecting rod 18 in disc 9 top both sides, the same hand wheel 19 of the other end fixedly connected with of two connecting rods 18 is convenient for to the control of disc 9.

In the utility model, when in use, the hand wheel 19 is pulled upwards to drive the disc 9 to move upwards and separate the plurality of bayonet locks 10 from the corresponding bayonet grooves 11, then the hand wheel 19 is rotated and the square rod 20 is matched with the square groove 12 to drive the rotating shaft 7 to rotate, the rotating shaft 7 drives the butterfly plate 8 to rotate, thereby realizing the opening and closing of the valve body 5, the square rod 20 is reset under the action of the reset spring 23 to drive the disc 9 to reset and enable the bayonet lock 10 to be clamped into the corresponding bayonet lock groove 11, thereby fixing the butterfly plate 8 and ensuring the sealing of the valve body 5, and during use, the valve body 5 slides between the two communication ducts 4, the two sealing rings 22 seal the valve body 5 and mitigate the impact of the valve body 5 through the damping spring 17, thereby carry out the damping to valve body 5, reduced the influence that causes adjacent connecting piece under the great condition of pressure, guaranteed the sealed effect of whole pipeline.

Claims

1. A vibration-resistant valve structure comprises a base (1) and is characterized in that a vertical plate (2) is fixedly installed at the top of the base (1), sleeves (3) are welded at the tops of two sides of the vertical plate (2), communicating pipelines (4) are fixedly installed in the two sleeves (3), a flange (6) is fixedly installed at one end, away from each other, of each of the two communicating pipelines (4), a same valve body (5) is connected in the two communicating pipelines (4) in a sliding mode, a same rotating shaft (7) is rotatably installed between the inner wall of the top and the inner wall of the bottom of the valve body (5), a butterfly plate (8) is fixedly installed on the rotating shaft (7), the butterfly plate (8) is movably and hermetically connected with the inner wall of the valve body (5), two annular grooves are formed in the outer side of the valve body (5), sealing rings (22) are fixedly installed in the two annular grooves, valve body (5) bottom fixed mounting has montant (15), spout (16) have been seted up at riser (2) top, montant (15) and spout (16) sliding connection, the one end of the equal fixedly connected with damping spring (17) in montant (15) both sides bottom, the other end of two damping spring (17) respectively with spout (16) both sides inner wall fixed connection, square groove (12) have been seted up on pivot (7) top, and sliding connection has square pole (20) in square groove (12), and square pole (20) top fixed mounting has disc (9), and disc (9) bottom fixed mounting has a plurality of bayonet lock (10), and a plurality of bayonet lock (10) are the equidistant setting of annular, a plurality of joint grooves (11) with bayonet lock (10) adaptation are seted up in the valve body (5) outside, and a plurality of bayonet lock (10) all clamp with the joint groove (11) activity that corresponds.

2. The vibration-resistant valve structure according to claim 1, wherein the inner walls of the two sides of the square groove (12) are provided with limiting grooves (21), the two sides of the square rod (20) are fixedly provided with limiting rods (13), and the two limiting rods (13) are slidably connected with the corresponding limiting grooves (21).

3. A vibration-resistant valve structure as claimed in claim 1, wherein a sealing sleeve (14) is fixedly sleeved outside the rotating shaft (7), and the valve body (5) is rotatably sealed and arranged outside the sealing sleeve (14).

4. The vibration-resistant valve structure according to claim 1, wherein one end of a return spring (23) is fixedly connected to the bottom end of the square rod (20), and the other end of the return spring (23) is fixedly connected to the inner wall of the bottom of the square groove (12).

5. The vibration-resistant valve structure according to claim 1, wherein four corners of the top of the base (1) are provided with assembling grooves, and inner walls of the bottoms of the four assembling grooves are provided with assembling holes.

6. A vibration-resistant valve structure according to claim 1, characterized in that one end of a connecting rod (18) is fixedly connected to both sides of the top of the disc (9), and the other end of the two connecting rods (18) is fixedly connected to the same hand wheel (19).