CN219933052U

CN219933052U - Butterfly check valve of two-way buffering

Info

Publication number: CN219933052U
Application number: CN202321233584.8U
Authority: CN
Inventors: 李宏俊
Original assignee: Yangzhou Shenghong Machinery Co ltd
Current assignee: Yangzhou Shenghong Machinery Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-10-31
Anticipated expiration: 2033-05-22

Abstract

The utility model relates to the technical field of butterfly check valves and discloses a butterfly check valve with bidirectional buffering, which comprises a valve body and a connecting plate, wherein a fixed box is fixedly arranged on the outer wall of the valve body, sliding grooves are formed in the two sides of the inner wall of the fixed box, limiting rods are fixedly arranged on the inner wall of the sliding grooves in both sides, sliding blocks are sleeved on the outer wall of the limiting rods in both sides in a sliding manner, sliding seats are commonly connected between the sliding blocks in both sides, air cylinders are fixedly connected to both sides of the sliding seats, one ends of the two air cylinders are fixedly connected with the inner wall of the fixed box, a through groove is formed in the upper surface of the sliding seat, and a first rotating block box and a second rotating block are rotatably connected to the inner wall of the through groove. In the utility model, the butterfly check valve for bidirectional buffering has the function of bidirectional buffering the valve clack, and simultaneously has the effect of preventing the valve body from being damaged due to icing.

Description

Butterfly check valve of two-way buffering

Technical Field

The utility model relates to the technical field of butterfly check valves, in particular to a butterfly check valve with bidirectional buffering.

Background

The check valve is a valve with a circular valve clack and used for blocking the backflow of a medium by the action of the self weight and the pressure of the medium, and belongs to automatic valves, namely a check valve, a one-way valve, a reflux valve or an isolation valve, wherein the movement mode of the valve clack is divided into a lifting type and a swing type. Typically, the medium flows in from the inlet end and out from the outlet end, and when the inlet pressure is greater than the sum of the weight of the valve flap and its flow resistance, the valve is opened, whereas when the medium flows back, the valve is closed.

At present, most check valves are used, and due to the impact of water flow, the valve clack is easy to be blocked, so that the valve is damaged, the service life of the check valve is greatly reduced, the use of the valve is influenced by icing in winter, and even the valve is damaged. Accordingly, a butterfly check valve with a bidirectional buffer is provided by those skilled in the art to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a butterfly check valve with bidirectional buffering, which has the function of bidirectionally buffering a valve clack and also has the function of preventing a valve body from being damaged due to icing.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the butterfly check valve comprises a valve body and a connecting plate, wherein a fixed box is fixedly arranged on the outer wall of the valve body, sliding grooves are formed in two sides of the inner wall of the fixed box, limiting rods are fixedly arranged on the inner wall of the sliding grooves in two sides, sliding blocks are sleeved on the outer wall of the limiting rods in a sliding mode, sliding seats are commonly connected between the sliding blocks in two sides, air cylinders are fixedly connected to the two sides of the sliding seats, one ends of the two air cylinders are fixedly connected with the inner wall of the fixed box, through grooves are formed in the upper surface of the sliding seats, a first rotating block box second rotating block is connected to the inner wall of the through grooves in a rotating mode, a rotating shaft is fixedly connected to the lower end of the second rotating block, a second valve clack is fixedly sleeved on the outer wall of the rotating shaft, and a first valve clack is sleeved on the outer wall of the rotating shaft in a movable mode;

the inner wall of the valve body is provided with an impeller in a rotating way at a position far away from one side of the rotating shaft, a heating pipe is fixedly arranged at a position between the rotating shaft and the impeller, and a converter and a battery pack are fixedly arranged at one side of the bottom in the fixed box.

Through above-mentioned technical scheme, through setting up the sliding seat at fixed box inner wall slip, utilize to set up the cylinder in fixed box inside both sides, can carry out two-way buffering to first valve clack and second valve clack, prevent that first valve clack and second valve clack from taking place the card to hinder because of the striking of rivers, drive the impeller through rivers and rotate, under the effect of converter, turn into the electric energy with mechanical energy, be convenient for provide the energy for the heating pipe.

Further, a sealing ring and a plurality of limiting blocks are fixedly arranged on one side of the connecting plate, and a filter screen is fixedly arranged in the middle of the connecting plate;

through above-mentioned technical scheme, be convenient for filter the rivers in the valve body, make it cleaner.

Further, a circular groove is formed in one side of the valve body and is in clamping fit with the sealing ring;

through above-mentioned technical scheme, the leakproofness of valve body junction is convenient for improve.

Further, one side of the valve body is provided with a plurality of limiting grooves and is in clamping fit with the limiting blocks;

through above-mentioned technical scheme, be convenient for connect better between valve body and the connecting plate.

Further, a controller is fixedly arranged on the upper surface of the fixed box, and the controller, the air cylinder, the converter and the battery pack are electrically connected;

through above-mentioned technical scheme, be convenient for better to the inside electronic device of fixed box control of adjusting.

Further, the first rotating block is fixedly connected with the first valve clack;

through above-mentioned technical scheme, be convenient for drive first rotating block through first valve clack and rotate to make the sliding seat slide, and then play the effect of buffering first valve clack.

Further, a spring is movably sleeved on the outer wall of the limiting rod;

through the technical scheme, the buffer effect can be achieved when water flow collides the first valve clack and the second valve clack, and the first valve clack and the second valve clack are effectively prevented from being blocked.

Further, two ends of the valve body are fixedly connected with the connecting plate through bolts;

through above-mentioned technical scheme, be convenient for carry out better fixed to the connecting plate to be convenient for later stage is changed connecting plate and filter screen.

The utility model has the following beneficial effects:

1. compared with the existing butterfly check valve with bidirectional buffering, the butterfly check valve with bidirectional buffering is provided with the sliding seat in a sliding mode on the inner wall of the fixed box, when water flow hits the valve clack, the sliding seat can be pushed to move through the first rotating block and the second rotating block, the sliding seat can be buffered through the contraction of the limiting rod and the spring, and the energy of the water flow hitting the valve clack can be buffered through fixedly connecting the air cylinders on the two sides of the sliding seat, so that the effect of bidirectional buffering is achieved, and the valve is effectively protected.

2. Compared with the existing butterfly check valve with bidirectional buffering, the butterfly check valve with bidirectional buffering provided by the utility model has the advantages that when the butterfly check valve with bidirectional buffering is put into use, the impeller is driven to rotate through water flow, mechanical energy generated by the impeller is converted into electric energy under the action of the converter and stored, the inner wall of a pipeline is conveniently heated through the heating pipe when the valve is frozen in winter, the valve is effectively prevented from being damaged due to freezing, the valve is protected, and the service life of the valve is greatly prolonged.

3. Compared with the existing butterfly check valve with bidirectional buffering, the butterfly check valve with bidirectional buffering provided by the utility model has the advantages that the filter screens are arranged on the two sides of the valve, so that water flowing through the inner wall of the valve pipeline can be filtered, the water is cleaner, and the possibility of blocking the valve is effectively reduced.

Drawings

Fig. 1 is an isometric view of a butterfly check valve with bi-directional damping according to the present utility model;

fig. 2 is a top-down cross-sectional view of a butterfly check valve with bi-directional damping according to the present utility model;

FIG. 3 is a side cross-sectional view of a butterfly check valve with bi-directional damping according to the present utility model;

FIG. 4 is a front view of a butterfly check valve with bi-directional damping in accordance with the present utility model;

fig. 5 is a schematic diagram of a partial structure of a butterfly check valve with bidirectional buffering according to the present utility model.

Legend description:

1. a valve body; 2. a fixed box; 3. a connecting plate; 4. a filter screen; 5. a bolt; 6. a circular groove; 7. a first valve flap; 8. a first rotating block; 9. a second rotating block; 10. a rotating shaft; 11. a second valve flap; 12. a chute; 13. a limit rod; 14. a slide block; 15. a sliding seat; 16. a cylinder; 17. an impeller; 18. a limit groove; 19. a seal ring; 20. a limiting block; 21. a through groove; 22. a converter; 23. a battery pack; 24. a controller; 25. heating pipes; 26. and (3) a spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the butterfly check valve comprises a valve body 1 and a connecting plate 3, wherein a fixed box 2 is fixedly arranged on the outer wall of the valve body 1, sliding grooves 12 are formed in two sides of the inner wall of the fixed box 2, limiting rods 13 are fixedly arranged on the inner wall of the sliding grooves 12 on two sides, sliding blocks 14 are sleeved on the outer wall of the limiting rods 13 on two sides, sliding seats 15 are jointly connected between the sliding blocks 14 on two sides, air cylinders 16 are fixedly connected to two sides of the sliding seats 15, one end of each air cylinder 16 is fixedly connected with the inner wall of the fixed box 2, through grooves 21 are formed in the upper surface of each sliding seat 15, a first rotating block 8 and a second rotating block 9 are rotatably connected to the inner wall of each through groove 21, a rotating shaft 10 is fixedly connected to the lower end of each second rotating block 9, a second valve clack 11 is fixedly sleeved on the outer wall of each rotating shaft 10, a first valve clack 7 is movably sleeved on the outer wall of each rotating shaft 10, the sliding seats 15 are slidably arranged on the inner wall of the fixed box 2, and the air cylinders 16 are arranged on two sides of the inner wall of the fixed box 2, so that the first valve clack 7 and the second valve clack 11 can be bidirectionally buffered by means of the air cylinders 16 arranged on the two sides inside the fixed box 2, and blocking caused by water flow is prevented;

the impeller 17 is rotatably arranged at the position of the inner wall of the valve body 1 far away from the rotating shaft 10, the heating pipe 25 is fixedly arranged at the position between the rotating shaft 10 and the impeller 17, the converter 22 and the battery pack 23 are fixedly arranged at one side of the inner bottom of the fixed box 2, the impeller 17 is driven to rotate by water flow, and mechanical energy is converted into electric energy under the action of the converter 22, so that the heating pipe 25 can be conveniently supplied with energy.

The fixed sealing washer 19 and a plurality of stopper 20 that are provided with in connecting plate 3 one side, the fixed filter screen 4 that is provided with in the middle of connecting plate 3, be convenient for filter rivers in the valve body 1, make it cleaner, circular slot 6 has been seted up on valve body 1 one side and with sealing washer 19 joint cooperation, be convenient for improve the leakproofness of valve body 1 junction, a plurality of spacing grooves 18 have been seted up on valve body 1 one side and with stopper 20 joint cooperation, be convenient for better be connected between valve body 1 and the connecting plate 3, fixed box 2 upper surface fixation is provided with controller 24, cylinder 16, converter 22 and group battery 23 electric connection, be convenient for better carry out regulation control to the inside electronic device of fixed box 2, first rotating block 8 is connected with first valve clack 7 stationary phase, be convenient for drive first rotating block 8 through first valve clack 7, thereby make sliding seat 15 slide, and then play the effect of buffering first valve clack 7, stop lever 13 outer wall movable sleeve is equipped with spring 26, can play the cushioning effect when the water flow bumps first valve clack 7 and second 11, prevent effectively that first valve clack 7 and second valve clack 11 from taking place, it is better to change the valve clack 3 and the filter screen 3 is fixed to the connecting plate 3, both ends are all fixed to the connecting plate 3, the time is convenient for change 3, the connecting plate is fixed, the time is 3 is fixed, the time is easy to change, and the valve plate is fixed 3 is carried out, and is passed through the time is fixed, and is passed through the time is passed through 3 is left 5, and 5 is left 5.

Working principle: when the utility model is used, when water flow hits the first valve clack 7 and the second valve clack 11, the first valve clack 7 and the second valve clack 11 respectively drive the first rotating block 8 and the second rotating block 9 to rotate, and further drive the sliding seat 15 to move, the spring 26 is contracted under the action of the limiting rod 13, so that the buffering effect is effectively achieved, meanwhile, the air cylinders 16 are fixedly connected to the two sides of the sliding seat 15, the blocking of the water flow when the water flow hits the first valve clack 7 and the second valve clack 11 can be effectively prevented, the impeller 17 is utilized to rotate, the mechanical energy is converted into the electric energy under the action of the converter 22 and stored in the battery pack 23, the heating pipe 25 is conveniently provided with energy, the damage caused by the valve freezing can be prevented through heating, meanwhile, the filter screen 4 is arranged at the joint of the valve, the flowing water flow can be filtered, and the blocking of the valve is prevented.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The butterfly check valve with the bidirectional buffering function comprises a valve body (1) and a connecting plate (3), and is characterized in that: the valve is characterized in that a fixed box (2) is fixedly arranged on the outer wall of the valve body (1), sliding grooves (12) are formed in two sides of the inner wall of the fixed box (2), limiting rods (13) are fixedly arranged on the inner wall of the sliding grooves (12) in two sides, sliding blocks (14) are sleeved on the outer wall of the limiting rods (13) in a sliding mode, sliding seats (15) are commonly connected between the sliding blocks (14) in two sides of the sliding seats (15), cylinders (16) are fixedly connected with one ends of the two cylinders (16) respectively, through grooves (21) are formed in the upper surface of the sliding seats (15), first rotating blocks (8) are connected with second rotating blocks (9) of the box in a rotating mode through the inner walls of the through grooves (21), rotating shafts (10) are fixedly connected to the lower ends of the second rotating blocks (9), second valve clacks (11) are fixedly sleeved on the outer walls of the rotating shafts (10), and first valve clacks (7) are movably sleeved on the outer walls of the rotating shafts (10);

the rotary valve is characterized in that an impeller (17) is rotatably arranged at a position, far away from the rotary shaft (10), of the inner wall of the valve body (1), a heating pipe (25) is fixedly arranged at a position between the rotary shaft (10) and the impeller (17), and a converter (22) and a battery pack (23) are fixedly arranged at one side of the inner bottom of the fixed box (2).

2. The bi-directional cushioned butterfly check valve of claim 1 wherein: a sealing ring (19) and a plurality of limiting blocks (20) are fixedly arranged on one side of the connecting plate (3), and a filter screen (4) is fixedly arranged in the middle of the connecting plate (3).

3. The bi-directional cushioned butterfly check valve of claim 1 wherein: a circular groove (6) is formed in one side of the valve body (1) and is clamped and matched with the sealing ring (19).

4. The bi-directional cushioned butterfly check valve of claim 1 wherein: a plurality of limiting grooves (18) are formed in one side of the valve body (1) and are in clamping fit with the limiting blocks (20).

5. The bi-directional cushioned butterfly check valve of claim 1 wherein: the upper surface of the fixed box (2) is fixedly provided with a controller (24), and the controller (24), the air cylinder (16), the converter (22) and the battery pack (23) are electrically connected.

6. The bi-directional cushioned butterfly check valve of claim 1 wherein: the first rotating block (8) is fixedly connected with the first valve clack (7).

7. The bi-directional cushioned butterfly check valve of claim 1 wherein: the outer wall of the limiting rod (13) is movably sleeved with a spring (26).

8. The bi-directional cushioned butterfly check valve of claim 1 wherein: both ends of the valve body (1) are fixedly connected with the connecting plate (3) through bolts (5).