CN216589995U

CN216589995U - Anti-blocking butterfly valve

Info

Publication number: CN216589995U
Application number: CN202123205227.4U
Authority: CN
Inventors: 吴林根; 尹强
Original assignee: Shenzhen Elite Valve Co ltd
Current assignee: Shenzhen Elite Valve Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-24
Anticipated expiration: 2031-12-20

Abstract

The utility model belongs to the technical field of butterfly valves, in particular to an anti-blocking butterfly valve, which comprises a valve body, wherein a valve shaft is rotatably connected inside the valve body, a first butterfly plate is fixedly connected to the outer wall of the valve shaft, a shaft sleeve is rotatably connected to the outer wall of the valve shaft, a second butterfly plate is fixedly connected to the outer wall of the shaft sleeve, a stirring ring is fixed at the upper end of the shaft sleeve, a stirring disc is fixed at the upper end of the valve shaft, a filter screen is fixed at one side of the upper end of the stirring ring, a first stirring rod is fixed at one side of the lower end of the stirring disc, a fixing frame is fixed at the upper end of the valve body, a sliding frame is installed inside the fixing frame, a straight groove is formed inside the sliding frame, grooves are formed on two sides of the straight groove, a lead screw is rotatably connected to one end of the sliding frame, and a hand wheel is fixed at one end of the lead screw, which is far away from the sliding frame, so that the problem that the pressure-bearing capacity is poor due to the fact that the existing butterfly valve is a disc-shaped butterfly plate which rotates around the axis of the sliding frame inside the valve body, easy to deform in the actual use process.

Description

Anti-blocking butterfly valve

Technical Field

The utility model belongs to the technical field of butterfly valves, and particularly relates to an anti-blocking butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) which is a disc and rotates around a valve shaft to open and close, and the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The main functions of cutting off and throttling are realized on the pipeline. The conventional butterfly valve opening and closing piece is a disc-shaped butterfly plate, rotates around the axis of the butterfly plate in a valve body, so that the butterfly valve is poor in pressure-bearing capacity, is easy to deform in the actual use process, is not provided with a filter screen, cannot filter dregs in liquid, is easy to block and is inconvenient to clean; aiming at the problem exposed in the use process of the existing butterfly valve, the structural improvement and optimization of the butterfly valve are needed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides an anti-blocking butterfly valve which has the characteristics that a butterfly plate is folded, turned over and opened to improve the pressure bearing capacity, and closed and leveled to ensure the airtightness.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent blockking up type butterfly valve, includes the valve body, the inside of valve body is rotated and is connected with the valve shaft, the first butterfly plate of outer wall fixedly connected with of valve shaft, the outer wall of valve shaft rotates and is connected with the axle sleeve, the outer wall fixedly connected with second butterfly plate of axle sleeve, the upper end of axle sleeve is fixed with stirs the ring, the upper end of valve shaft is fixed with dials the driving disk, it is fixed with the filter screen to dial upper end one side of ring, it is fixed with first driving lever to dial lower extreme one side of driving disk, the upper end of valve body is fixed with the mount, the internally mounted of mount has the balladeur train, the straight flute has been seted up to the inside of balladeur train, the both sides of straight flute are seted up flutedly, the one end of balladeur train is rotated and is connected with the lead screw, and the lead screw is kept away from the one end of balladeur train and is fixed with the hand wheel.

As a preferred technical scheme of the anti-blocking butterfly valve, a limiting frame is fixedly mounted on the outer wall of the shaft sleeve.

As a preferred technical scheme of the anti-blocking butterfly valve, the inner walls of two ends of the fixing frame are provided with sliding grooves, and two ends of the sliding frame are positioned in the sliding grooves.

As a preferred technical scheme of the anti-blocking butterfly valve, the upper end of the valve shaft is located inside the straight groove, and the first deflector rod and the filter screen are located inside the groove.

As a preferred technical scheme of the anti-blocking butterfly valve, the screw rod is in threaded connection with the fixing frame.

As a preferred technical scheme of the anti-blocking butterfly valve, a filter screen is arranged at a water inlet of the valve body.

Compared with the prior art, the utility model has the beneficial effects that: the lead screw control sliding frame is driven to slide along the inside of the fixing frame through the rotating hand wheel, the grooves on two sides of the sliding frame respectively drive the first driving lever and the second driving lever when the sliding frame moves, the first driving lever drives the first butterfly plate to turn through the valve shaft, and the second driving lever drives the second butterfly plate to turn through the shifting ring matched shaft sleeve, so that the first butterfly plate and the second butterfly plate are opened in a folded mode when the first butterfly plate and the second butterfly plate are opened, and the bearing capacity is improved.

When first butterfly plate and second butterfly plate closed, the surface of first butterfly plate is supported in the one end that second butterfly plate was kept away from to spacing for first butterfly plate flushes with the second butterfly plate, guarantees the leakproofness.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of an anti-clogging butterfly valve according to the present invention;

FIG. 2 is a schematic perspective view of a butterfly plate according to the present invention;

FIG. 3 is a schematic structural view of the fixing frame of the present invention;

in the figure: 1. a valve body; 2. a valve shaft; 3. a first butterfly plate; 4. a shaft sleeve; 5. a second butterfly plate; 6. a limiting frame; 7. a dial ring; 8. a dial plate; 9. a first shift lever; 10. a fixed mount; 11. a carriage; 12. a straight groove; 13. a groove; 14. a screw rod; 15. a hand wheel; 16. filtering with a screen; 17. a second deflector rod; 18. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: an anti-blocking butterfly valve comprises a valve body 1, a valve shaft 2 is rotatably connected inside the valve body 1, a first butterfly plate 3 is fixedly connected to the outer wall of the valve shaft 2, a shaft sleeve 4 is rotatably connected to the outer wall of the valve shaft 2, a second butterfly plate 5 is fixedly connected to the outer wall of the shaft sleeve 4, a toggle ring 7 is fixed at the upper end of the shaft sleeve 4, a toggle disc 8 is fixed at the upper end of the valve shaft 2, a filter screen 16 is fixed at one side of the upper end of the toggle ring 7, a first toggle rod 9 is fixed at one side of the lower end of the toggle disc 8, a fixing frame 10 is fixed at the upper end of the valve body 1, a sliding frame 11 is installed inside the fixing frame 10, a straight groove 12 is formed inside the sliding frame 11, grooves 13 are formed at two sides of the straight groove 12, a lead screw 14 is rotatably connected to one end of the sliding frame 11, a hand wheel 15 is fixed at one end of the lead screw 14 far away from the sliding frame 11, in the embodiment, the sliding frame 11 is driven to slide along the inside the fixing frame 10 by the rotation of the lead screw 14, the balladeur train 11 stirs stirring ring 7 and stirring dish 8 while antiport through recess 13 for stirring ring 7 and passing through axle sleeve 4 and drive second butterfly plate 5, stir dish 8 and drive first butterfly plate 3 through valve shaft 2, open for the fifty percent discount upset when first butterfly plate 3 and second butterfly plate 5 are opened, improve the bearing capacity.

Specifically, the outer wall fixed mounting of axle sleeve 4 has spacing 6, and when making first butterfly plate 3 and second butterfly plate 5 closed in this embodiment, spacing 6 one end of keeping away from second butterfly plate 5 supports the surface of first butterfly plate 3 for first butterfly plate 3 flushes with second butterfly plate 5, guarantees the leakproofness.

Specifically, the inner walls of the two ends of the fixing frame 10 are provided with sliding grooves 18, and the two ends of the sliding frame 11 are located inside the sliding grooves 18, and in this embodiment, the sliding frame 11 moves along the inside of the sliding grooves 18, so that the sliding frame 11 moves horizontally.

Specifically, the upper end of valve shaft 2 is located inside straight flute 12, and first driving lever 9 and filter screen 16 are located inside recess 13, and when balladeur train 11 removed in this embodiment, recess 13 through both sides drove first driving lever 9 and second driving lever 17 respectively, and first driving lever 9 drives first butterfly plate 3 upset through valve shaft 2, and second driving lever 17 drives second butterfly plate 5 upset through stirring 7 cooperation axle sleeves 4 to realize opening and shutting of first butterfly plate 3 and second butterfly plate 5.

Specifically, the screw 14 is in threaded connection with the fixing frame 10, and in this embodiment, the hand wheel 15 is rotated to drive the screw 14 to control the sliding frame 11 to move, so as to adjust the opening and closing of the first butterfly plate 3 and the second butterfly plate 5.

Specifically, filter screen 16 is installed to the water inlet of valve body 1, prevents through filter screen 16 in this embodiment to block up, influences the regulation to the discharge capacity, can also filter simultaneously and correspond the corrosion piece, prevents to block up the pipeline.

The working principle and the using process of the utility model are as follows: firstly, a hand wheel 15 is rotated to drive a lead screw 14 to control a sliding frame 11 to slide along the inside of a fixed frame 10, when the sliding frame 11 moves, a first driving lever 9 and a second driving lever 17 are respectively driven by grooves 13 on two sides, the first driving lever 9 drives a first butterfly plate 3 to turn over through a valve shaft 2, and the second driving lever 17 drives a second butterfly plate 5 to turn over through a driving ring 7 and a shaft sleeve 4, so that the first butterfly plate 3 and the second butterfly plate 5 are opened and closed; the first butterfly plate 3 and the second butterfly plate 5 are folded, turned and opened when opened, so that the pressure bearing capacity is improved; when the first butterfly plate 3 and the second butterfly plate 5 are closed, one end, far away from the second butterfly plate 5, of the limiting frame 6 abuts against the surface of the first butterfly plate 3, so that the first butterfly plate 3 is flush with the second butterfly plate 5, and the airtightness is guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an anti-blocking butterfly valve, includes valve body (1), its characterized in that: the valve comprises a valve body (1), a valve shaft (2) is rotatably connected inside the valve body (1), a first butterfly plate (3) is fixedly connected to the outer wall of the valve shaft (2), a shaft sleeve (4) is rotatably connected to the outer wall of the valve shaft (2), a second butterfly plate (5) is fixedly connected to the outer wall of the shaft sleeve (4), a poking ring (7) is fixed to the upper end of the shaft sleeve (4), a poking disc (8) is fixed to the upper end of the valve shaft (2), a filter screen (16) is fixed to one side of the upper end of the poking ring (7), a first poking rod (9) is fixed to one side of the lower end of the poking disc (8), a fixing frame (10) is fixed to the upper end of the valve body (1), a sliding frame (11) is installed inside the fixing frame (10), a straight groove (12) is formed inside the sliding frame (11), grooves (13) are formed in two sides of the straight groove (12), and a lead screw (14) is rotatably connected to one end of the sliding frame (11), and a hand wheel (15) is fixed at one end of the screw rod (14) far away from the sliding frame (11).

2. An anti-clogging butterfly valve according to claim 1, characterized in that: and a limiting frame (6) is fixedly arranged on the outer wall of the shaft sleeve (4).

3. An anti-clogging butterfly valve according to claim 1, characterized in that: the inner walls of the two ends of the fixing frame (10) are provided with sliding grooves (18), and the two ends of the sliding frame (11) are located inside the sliding grooves (18).

4. An anti-clogging butterfly valve according to claim 1, characterized in that: the upper end of the valve shaft (2) is located in the straight groove (12), and the first driving lever (9) and the filter screen (16) are located in the groove (13).

5. An anti-clogging butterfly valve according to claim 1, characterized in that: the screw rod (14) is in threaded connection with the fixing frame (10).

6. An anti-clogging butterfly valve according to claim 1, characterized in that: and a filter screen (16) is arranged at the water inlet of the valve body (1).