CN216200648U

CN216200648U - Hydraulic butterfly valve with good sealing performance

Info

Publication number: CN216200648U
Application number: CN202122321969.7U
Authority: CN
Inventors: 贾琳鹏; 尤金芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-04-05
Anticipated expiration: 2031-09-25

Abstract

The utility model discloses a hydraulic butterfly valve with good sealing performance, which comprises a valve body, wherein a sealing bearing is fixedly embedded in the inner wall of the valve body, a movable shaft is fixedly connected inside the sealing bearing, a hydraulic shaft is fixedly communicated with the upper surface of the valve body, the bottom end of the hydraulic shaft is fixedly connected with the upper surface of the movable shaft, symmetrical butterfly sheets are fixedly connected to the outer surface of the movable shaft, sealing strips are fixedly connected to the outer surfaces of the two butterfly sheets, and sealing gaskets are fixedly embedded inside the two sealing strips. This hydraulic pressure butterfly valve that leakproofness is good can make the loose axle also can seal the inside of valve body in the pivoted through sealed bearing, avoids the valve body to take place to leak, through the cooperation of two butterfly pieces and the curved strip of rubber, can seal the inner chamber of valve body, through the cooperation of sealing strip and sealed pad, can seal the marginal portion of butterfly piece and consolidate, makes the inner chamber in close contact with of butterfly piece and valve body, improves the sealed effect of this valve body.

Description

Hydraulic butterfly valve with good sealing performance

Technical Field

The utility model belongs to the field of butterfly valves, and particularly relates to a hydraulic butterfly valve with good sealing performance.

Background

The butterfly valve is also called a flap valve, is a regulating valve with simple structure, can be used for the butterfly valve of the on-off control of low-pressure pipeline medium, and refers to the closing member as a disc, and rotates around a valve shaft to achieve the opening and closing of the valve, 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, and mainly plays the roles of cutting off and throttling on the pipeline, the butterfly valve opening and closing member is a disc-shaped butterfly plate, and rotates around the axis of the butterfly plate in the valve body, thereby achieving the purpose of opening and closing or regulating, but the hydraulic butterfly valve in the current market still has the following problems:

1. the existing hydraulic butterfly valve has poor sealing effect and is easy to leak water after being closed;

2. the existing hydraulic butterfly valve is troublesome to operate when closed, a worker is required to close the valve by using certain strength, and the valve is inconvenient for people to use, so that the hydraulic butterfly valve with good sealing performance is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydraulic butterfly valve, which aims to solve the problems that the existing hydraulic butterfly valve is poor in sealing effect, easy to leak water after being closed, troublesome to operate during closing, inconvenient to use due to the fact that a worker needs to use certain strength to close the butterfly valve.

The hydraulic butterfly valve with good sealing performance comprises a valve body, wherein a sealing bearing is fixedly embedded in the inner wall of the valve body, a movable shaft is fixedly connected inside the sealing bearing, the upper surface of the valve body is fixedly communicated with a hydraulic shaft, the bottom end of the hydraulic shaft is fixedly connected with the upper surface of the movable shaft, symmetrical butterfly sheets are fixedly connected to the outer surface of the movable shaft, sealing strips are fixedly connected to the outer surfaces of the two butterfly sheets, and sealing gaskets are fixedly embedded inside the two sealing strips.

The hydraulic shaft is characterized in that a fixing plate is fixedly connected to the upper surface of the hydraulic shaft, a hydraulic handle is movably connected to the upper surface of the fixing plate, and a positioning bolt is fixedly connected to the upper surface of the fixing plate.

The hydraulic handle is characterized in that an upper fixing block is fixedly connected to the bottom surface of the hydraulic handle, a lower fixing block is hinged to the front surface of the upper fixing block through a pin shaft, and a control rod is fixedly connected to the bottom surface of the lower fixing block.

The upper surface of the control rod is fixedly connected with a compression spring, the top end of the compression spring is fixedly connected with a supporting block, and the upper surface of the supporting block is fixedly connected with the bottom surface of the hydraulic handle.

The outer surface of the two butterfly pieces is fixedly connected with a rubber curved strip, the upper surface of the valve body is fixedly connected with a sealing ring, and the inner wall of the sealing ring is fixedly connected with the outer surface of the hydraulic shaft.

The outer surface of the valve body is fixedly connected with two symmetrical mounting blocks, a mounting hole is formed in the front of each mounting block, and a stop block is fixedly connected to the right side face of the hydraulic handle.

Compared with the prior art, the utility model has the beneficial effects that: this hydraulic pressure butterfly valve that leakproofness is good, can make the loose axle also can seal the inside of valve body when the pivoted through sealed bearing, avoid the valve body to take place to leak, cooperate through two butterfly pieces and rubber curved bar, can seal the inner chamber of valve body, through the cooperation of sealing strip and sealed pad, can seal the reinforcement to the marginal part of butterfly piece, make the inner chamber in close contact with of butterfly piece and valve body, increase the sealed degree of butterfly piece and valve body inner chamber, improve the sealed effect of this valve body, avoid the phenomenon that leaks to appear in closed back valve body, through the cooperation of hydraulic pressure handle and control lever, can make things convenient for the staff to open and close the valve body, make the staff more laborsaving under compression spring's cooperation, and the operation is simple, make things convenient for people to use.

Drawings

FIG. 1 is a schematic perspective view of a hydraulic butterfly valve according to the present invention;

FIG. 2 is a cross-sectional view of a front view of a butterfly tab of the utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. a valve body; 2. sealing the bearing; 3. a movable shaft; 4. a butterfly sheet; 5. a sealing strip; 6. a gasket; 7. rubber curved bars; 8. a hydraulic shaft; 9. a fixing plate; 10. a hydraulic handle; 11. an upper fixed block; 12. a lower fixed block; 13. a control lever; 14. a compression spring; 15. a support block; 16. mounting holes; 17. a stopper; 18. a seal ring; 19. positioning the bolt; 20. and (7) installing the block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1-3, a hydraulic butterfly valve with good sealing performance comprises a valve body 1, a sealing bearing 2 is fixedly embedded in the inner wall of the valve body 1, a movable shaft 3 is fixedly connected inside the sealing bearing 2, a hydraulic shaft 8 is fixedly communicated with the upper surface of the valve body 1, the bottom end of the hydraulic shaft 8 is fixedly connected with the upper surface of the movable shaft 3, symmetrical butterfly pieces 4 are fixedly connected to the outer surface of the movable shaft 3, sealing strips 5 are fixedly connected to the outer surfaces of the two butterfly pieces 4, and sealing gaskets 6 are fixedly embedded inside the two sealing strips 5.

According to the utility model, the upper surface of the hydraulic shaft 8 is fixedly connected with the fixing plate 9, the upper surface of the fixing plate 9 is movably connected with the hydraulic handle 10, the upper surface of the fixing plate 9 is fixedly connected with the positioning bolt 19, the fixing plate 9 can be reinforced, the stability of the valve body 1 is improved, the bottom surface of the hydraulic handle 10 is fixedly connected with the upper fixing block 11, the front surface of the upper fixing block 11 is hinged with the lower fixing block 12 through a pin shaft, and the bottom surface of the lower fixing block 12 is fixedly connected with the control rod 13, so that people can conveniently open and close the valve body 1, and the use of people is facilitated.

The last fixed surface of control lever 13 is connected with compression spring 14, compression spring 14's top fixedly connected with supporting shoe 15, the upper surface of supporting shoe 15 and hydraulic pressure are the bottom surface fixed connection of 10, make things convenient for people to operate this valve body 1, save people's time, the equal fixedly connected with rubber curved strip 7 of surface of two butterfly pieces 4, the last fixed surface of valve body 1 is connected with sealing washer 18, the inner wall of sealing washer 18 and the fixed surface of hydraulic shaft 8 are connected, can seal the junction of valve body 1 and hydraulic shaft 8, avoid valve body 1 to take place to leak, the fixed surface of valve body 1 is connected with two symmetrical installation pieces 20, mounting hole 16 has all been seted up in the front of every installation piece 20, hydraulic pressure is 10 right side fixedly connected with dog 17, make things convenient for the staff to install valve body 1, staff's work efficiency is improved.

The working principle of the utility model is as follows: when in use, the valve body 1 is firstly installed and connected with a pipeline through the matching of the installation block 20 and the installation hole 16, so that the valve body 1 is more stable, when the valve body 1 needs to be opened, a worker only needs to hold the hydraulic handle 10 and the control rod 13 with one hand, then the hydraulic handle 10 and the control rod 13 are closed with a little force, at which time the movable shaft 3 is rotated under the control of the hydraulic shaft 8, when the movable shaft 3 rotates, the two butterfly sheets 4 are driven to rotate, when the two butterfly sheets 4 rotate, the valve body 1 is opened, when it is desired to close the valve body 1, it is squeezed again by gripping the hydraulic knob 10 and the control rod 13, the movable shaft 3 is rotated again by the control of the hydraulic shaft 8, and then the two butterfly pieces 4 are rotated by the movable shaft 3, and then the valve body 1 is tightly closed by tightly contacting the sealing strip 5 and the sealing gasket 6 with the inner wall of the valve body 1.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements 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 a hydraulic pressure butterfly valve that leakproofness is good, includes valve body (1), its characterized in that: the inner wall of valve body (1) is fixed to be inlayed and is had sealed bearing (2), the inside fixedly connected with loose axle (3) of sealed bearing (2), the last fixed surface intercommunication of valve body (1) has hydraulic pressure axle (8), the bottom of hydraulic pressure axle (8) is connected with the last fixed surface of loose axle (3), the outer fixed surface of loose axle (3) is connected with symmetrical butterfly piece (4), two the equal fixedly connected with sealing strip (5) of surface of butterfly piece (4), two the inside of sealing strip (5) is all fixed to be inlayed and is had sealed pad (6).

2. The hydraulic butterfly valve with good sealing performance as claimed in claim 1, wherein: the hydraulic shaft is characterized in that a fixing plate (9) is fixedly connected to the upper surface of the hydraulic shaft (8), a hydraulic handle (10) is movably connected to the upper surface of the fixing plate (9), and a positioning bolt (19) is fixedly connected to the upper surface of the fixing plate (9).

3. The hydraulic butterfly valve with good sealing performance as claimed in claim 2, wherein: the hydraulic handle is characterized in that an upper fixing block (11) is fixedly connected to the bottom surface of the hydraulic handle (10), a lower fixing block (12) is hinged to the front surface of the upper fixing block (11) through a pin shaft, and a control rod (13) is fixedly connected to the bottom surface of the lower fixing block (12).

4. The hydraulic butterfly valve with good sealing performance as claimed in claim 3, wherein: the hydraulic handle is characterized in that a compression spring (14) is fixedly connected to the upper surface of the control rod (13), a supporting block (15) is fixedly connected to the top end of the compression spring (14), and the upper surface of the supporting block (15) is fixedly connected with the bottom surface of the hydraulic handle (10).

5. The hydraulic butterfly valve with good sealing performance as claimed in claim 1, wherein: the outer surface of the two butterfly pieces (4) is fixedly connected with a rubber curved strip (7), the upper surface of the valve body (1) is fixedly connected with a sealing ring (18), and the inner wall of the sealing ring (18) is fixedly connected with the outer surface of the hydraulic shaft (8).

6. The hydraulic butterfly valve with good sealing performance as claimed in claim 3, wherein: the outer surface of the valve body (1) is fixedly connected with two symmetrical mounting blocks (20), a mounting hole (16) is formed in the front face of each mounting block (20), and a stop block (17) is fixedly connected to the right side face of the hydraulic handle (10).