CN216382609U

CN216382609U - Make strong butterfly valve for water conservancy transportation management and control of leakproofness

Info

Publication number: CN216382609U
Application number: CN202122260704.0U
Authority: CN
Inventors: 林义
Original assignee: Zigong Industrial Valve Manufacture Co ltd
Current assignee: Zigong Industrial Valve Manufacture Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-26
Anticipated expiration: 2031-09-17

Abstract

The utility model discloses a butterfly valve for water conservancy transportation management and control, which enables the sealing performance to be strong, and comprises a valve body, a valve clack A and a valve clack B, wherein an installation sleeve is installed at the middle position of the top end of the valve body, a sealing bearing is installed inside the installation sleeve, a hollow rotating shaft is inserted inside the sealing bearing, the valve clack A is installed at the position, close to the bottom end, of one side of the hollow rotating shaft, a sliding groove is formed inside the valve clack A, a piston is installed inside the sliding groove, a connecting rod is installed at one end of the piston, a moving plate is installed at the tail end of the connecting rod, a flexible sealing ring is installed on the outer surface of the moving plate, a flexible brush plate is installed on the outer surface of the flexible sealing ring, and the valve clack B is installed at the position, close to the bottom end, of one side, away from the valve clack A, of the hollow rotating shaft. The utility model can clean impurities at the inner sealing part of the butterfly valve, reduce the abrasion of the sealing element, the valve clack and the inner surface of the valve body, prolong the service life of the butterfly valve and simultaneously improve the sealing property of the butterfly valve.

Description

Make strong butterfly valve for water conservancy transportation management and control of leakproofness

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a butterfly valve for water conservancy transportation management and control, which enables the tightness to be strong.

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, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. 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 pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

Through mass search, the butterfly valve for water conservancy transportation management and control in the prior art is found to be typical, such as the butterfly valve with strong sealing performance disclosed as CN212004299U, the butterfly valve has strong sealing performance, and can be used for a long time and is not easy to corrode.

The butterfly valve for water conservancy transportation management and control of current leads to valve clack, sealing member and valve body internal surface to receive certain wearing and tearing because fluidic erodees in long-time use to lead to sealed not tight, for this reason, we provide a make the strong butterfly valve for water conservancy transportation management and control of leakproofness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a butterfly valve for water conservancy transportation management and control, which has the advantages of removing impurities at the inner sealing part of the butterfly valve, reducing the abrasion of the sealing element, the valve clack and the inner surface of the valve body, prolonging the service life of the butterfly valve, improving the sealing property of the butterfly valve, and solving the problem that the existing butterfly valve for water conservancy transportation management and control has poor sealing property due to certain abrasion of the valve clack, the sealing element and the inner surface of the valve body caused by the flushing of fluid in the long-time use process.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a make strong butterfly valve for water conservancy transportation management and control of leakproofness, includes valve body, valve clack A and valve clack B, valve body top intermediate position department installs the installation cover, installation cover internally mounted has sealed bearing, the inside grafting of sealed bearing has the cavity pivot, cavity pivot one side is close to bottom position department and installs valve clack A, the inside spout that is equipped with of valve clack A, spout internally mounted has the piston, the connecting rod is installed to piston one end, and the connecting rod end installs the movable plate, movable plate surface mounting has flexible sealing ring, flexible sealing ring surface mounting has flexible brush board, one side that the cavity pivot deviates from valve clack A is close to bottom position department and installs valve clack B.

Preferably, one side that the valve body is inside to be close to valve clack A is equipped with the draw-in groove, valve clack A inside intermediate position department is equipped with the seal chamber, the connecting pipe is installed to one side that the cavity pivot is close to valve clack A, and the connecting pipe end-to-end connection is in valve clack A inboard intermediate position department.

Preferably, the spout is equipped with four altogether, and four inside the spout circularizes array equidistance branch and locates valve clack A, four the inside piston, four of all installing of spout the connecting rod, and four are all installed to piston one end the movable plate is all installed to the connecting rod end.

Preferably, a sealing ring is arranged on the outer surface of the valve clack B.

Preferably, the control box is installed on installation cover top, the transmission shaft is installed to the inside intermediate position department of control box, and the terminal hand wheel of installing of transmission shaft, conical gear B is installed to transmission shaft surface symmetry.

Preferably, the control box top end is installed with control motor, conical gear A is installed to the control motor output, conical gear A is equipped with two altogether, and two conical gear A is installed in control motor output and well idle shaft top equally.

Preferably, the air pump is installed to inside one side of control box, the three-way valve is installed to the air pump output, the trachea is installed to the three-way valve bottom, and trachea end-to-end connection is in cavity pivot top.

Preferably, the two sides of the valve body are symmetrically provided with connecting flanges.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the butterfly valve, the valve clack A, the flexible sealing ring, the clamping groove and the valve clack B are arranged, so that the sealing effect of the valve clack of the butterfly valve can be improved, the service life of the butterfly valve is prolonged, the control motor works to enable the hollow rotating shaft to drive the valve clack A and the valve clack B to rotate to complete opening and closing of the butterfly valve, when the butterfly valve is closed, the air pump works and outputs to enable air pressure inside the sealing cavity to be increased, so that the piston moves, the piston enables the moving plate to drive the flexible sealing ring to move into the clamping groove to seal, and meanwhile, the valve clack B and the sealing ring seal and close the interior of the valve body.

2. According to the utility model, through the arrangement of the flexible brush plate, impurities at the inner sealing part of the butterfly valve can be removed, the abrasion of the sealing element, the valve clack and the inner surface of the valve body is reduced, the service life of the butterfly valve is prolonged, and the sealing effect of the butterfly valve is improved.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention;

FIG. 5 is a schematic diagram of the side view of the valve flap A of the present invention;

FIG. 6 is a side view of the transmission shaft of the present invention.

In the figure: 1. a control box; 2. controlling the motor; 3. a hand wheel; 4. a valve body; 5. a connecting flange; 6. installing a sleeve; 7. sealing the bearing; 8. a valve clack A; 9. a connecting pipe; 10. sealing the cavity; 11. a seal ring; 12. a valve clack B; 13. a hollow rotating shaft; 14. a three-way valve; 15. an air pump; 16. a card slot; 17. a flexible brush plate; 18. a flexible sealing ring; 19. a bevel gear A; 20. A bevel gear B; 21. a drive shaft; 22. moving the plate; 23. a connecting rod; 24. a chute; 25. A piston; 26. the trachea.

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.

Referring to fig. 1 to 6, the present invention provides a butterfly valve for water conservancy transportation management and control with strong sealing performance, which comprises: the utility model provides a make strong butterfly valve for water conservancy transportation management and control of leakproofness, including valve body 4, valve clack A8 and valve clack B12, 4 top intermediate position departments of valve body

install installation cover

6, 6 internally mounted of installation cover has sealed bearing 7, sealed bearing 7 is inside to be pegged graft there is cavity pivot 13, cavity pivot 13 one side is close to bottom position department and installs valve clack A8, valve clack A8 is inside to be equipped with spout 24, spout 24 is equipped with four altogether, and four spouts 24 annular array equidistance branch locate inside valve clack A8, piston 25 is all installed to four spout 24 insides, connecting rod 23 is all installed to four piston 25 one ends, and four connecting rod 23 ends all install

movable plate

22, 15 work outputs of air pump make the inside atmospheric pressure increase of seal chamber 10, thereby control piston 25 removes and makes flexible sealing ring 18 move inside draw-in groove 16, the inside sealed the closing of valve body 4.

A piston 25 is arranged inside a chute 24, a connecting rod 23 is arranged at one end of the piston 25, a movable plate 22 is arranged at the tail end of the connecting rod 23, a flexible sealing ring 18 is arranged on the outer surface of the movable plate 22, a flexible brush plate 17 is arranged on the outer surface of the flexible sealing ring 18, a valve clack B12 is arranged at the position, close to the bottom end, of one side of a hollow rotating shaft 13, which is far away from a valve clack A8, a clamping groove 16 is arranged at the side, close to a valve clack A8, of the inside of a valve body 4, a sealing cavity 10 is arranged at the middle position of the inside of the valve clack A8, a connecting pipe 9 is arranged at the side of the hollow rotating shaft 13, which is close to the valve clack A8, the tail end of the connecting pipe 9 is connected to the middle position of the inside of the valve clack A8, an air pump 15 is arranged at one side of the inside of a control box 1, a three-way valve 14 is arranged at the output end of the air pump 15, when the butterfly valve is closed, the butterfly valve, the three-way valve 14 works to remove the air pressure in the sealing cavity 10 so that the flexible sealing ring 18 and the clamping groove 16 are more, and the bottom end of the three-way valve is arranged with an air pipe 26, and the end of the air pipe 26 is connected with the top end of the hollow rotating shaft 13, the control motor 2 is installed at the top end of the control box 1, the output end of the control motor 2 is provided with two bevel gears A19, the two bevel gears A19 are arranged, and the two bevel gears A19 are equally installed at the output end of the control motor 2 and the top end of the middle idle shaft 13.

Referring to fig. 1 to 5, the present invention provides a butterfly valve for water conservancy transportation management and control with strong sealing performance, which comprises: a butterfly valve for water conservancy transportation management and control with high sealing performance comprises a valve body 4, a valve clack A8 and a valve clack B12, wherein an installation sleeve 6 is installed at the middle position of the top end of the valve body 4, a sealing bearing 7 is installed inside the installation sleeve 6, a hollow rotating shaft 13 is inserted inside the sealing bearing 7, a valve clack A8 is installed at the position, close to the bottom end, of one side of the hollow rotating shaft 13, a sliding groove 24 is arranged inside the valve clack A8, a piston 25 is installed inside the sliding groove 24, one end of the piston 25 is provided with a connecting rod 23, the tail end of the connecting rod 23 is provided with a moving plate 22, the outer surface of the moving plate 22 is provided with a flexible sealing ring 18, the outer surface of the flexible sealing ring 18 is provided with a flexible hairbrush plate 17, the position, close to the bottom end, of the side, away from the valve clack A8, of the hollow rotating shaft 13 is provided with a sealing ring B12, the outer surface of the valve clack B12 is provided with a sealing ring 11, the sealing effect is achieved between the valve clack B12 and the inner surface of the valve body 4 by the sealing effect, connecting flanges 5 are symmetrically installed at two sides of the valve body 4, connected with the external pipe by two connecting flanges 5.

Referring to fig. 2 to 5, the present invention provides a butterfly valve for water conservancy transportation management and control with strong sealing performance, which comprises: a butterfly valve for water conservancy transportation management and control with high sealing performance comprises a valve body 4, a valve clack A8 and a valve clack B12, wherein a mounting sleeve 6 is mounted at the middle position of the top end of the valve body 4, a control box 1 is mounted at the top end of the mounting sleeve 6, a transmission shaft 21 is mounted at the middle position inside the control box 1, a hand wheel 3 is mounted at the tail end of the transmission shaft 21, bevel gears B20 are symmetrically mounted on the outer surface of the transmission shaft 21, a control motor 2 works to enable a hollow rotating shaft 13 to drive the valve clack A8 and the valve clack B12 to rotate to complete opening and closing of a butterfly valve, a sealing bearing 7 is mounted inside the mounting sleeve 6, a hollow rotating shaft 13 is inserted into the sealing bearing 7, a valve clack A8 is mounted at the position close to the bottom end of one side of the hollow rotating shaft 13, a sliding groove 24 is arranged inside the valve clack A8, a piston 25 is mounted inside the sliding groove 24, a connecting rod 23 is mounted at one end of the piston 25, a movable plate 22 is mounted at the tail end of the connecting rod 23, and a flexible sealing ring 18 is mounted on the outer surface of the movable plate 22, the outer surface of the flexible sealing ring 18 is provided with a flexible brush plate 17, and one side of the hollow rotating shaft 13, which is far away from the valve clack A8, is provided with a valve clack B12 close to the bottom end.

The working principle is as follows: the butterfly valve is installed at a place needing to be used, the motor 2 is controlled to work, the hollow rotating shaft 13 drives the valve clack A8 and the valve clack B12 to rotate to complete the opening and closing of the butterfly valve, when the butterfly valve is closed, the air pump 15 works to output to increase the air pressure in the sealing cavity 10 so as to move the piston 25, the piston 25 enables the moving plate 22 to drive the flexible sealing ring 18 to move into the clamping groove 16, when the butterfly valve is opened, the three-way valve 14 works to remove the air pressure in the sealing cavity 10, the flexible sealing ring 18 is separated from the clamping groove 16, and the flexible brush plate 17 is in contact with the inner surface of the valve body 4 in the rotating process of the valve clack A8 and the valve clack B12, so that impurities adhered to the inner surface of the valve body 4 are brushed away, and the working flow of the butterfly valve is completed.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a make strong butterfly valve for water conservancy transportation management and control of leakproofness, includes valve body (4), valve clack A (8) and valve clack B (12), its characterized in that: valve body (4) top intermediate position department installs installation cover (6), installation cover (6) internally mounted has sealed bearing (7), sealed bearing (7) inside grafting has cavity pivot (13), cavity pivot (13) one side is close to bottom position department and installs valve clack A (8), valve clack A (8) inside is equipped with spout (24), spout (24) internally mounted has piston (25), connecting rod (23) are installed to piston (25) one end, and connecting rod (23) end installs movable plate (22), movable plate (22) surface mounting has flexible sealing ring (18), flexible sealing ring (18) surface mounting has flexible brush board (17), one side that cavity pivot (13) deviate from valve clack A (8) is close to bottom position department and installs valve clack B (12).

2. The butterfly valve for water conservancy transportation management and control of claim 1, wherein the butterfly valve has a high sealing performance, and is characterized in that: valve body (4) inside one side that is close to valve clack A (8) is equipped with draw-in groove (16), valve clack A (8) inside intermediate position department is equipped with sealed chamber (10), connecting pipe (9) are installed to one side that cavity pivot (13) are close to valve clack A (8), and connecting pipe (9) end-to-end connection is in valve clack A (8) inboard intermediate position department.

3. The butterfly valve for water conservancy transportation management and control of claim 1, wherein the butterfly valve has a high sealing performance, and is characterized in that: spout (24) are equipped with four altogether, and four inside spout (24) annular array equidistance branch was located valve clack A (8), four spout (24) inside all install piston (25), four connecting rod (23), and four connecting rod (23) end all installs movable plate (22).

4. The butterfly valve for water conservancy transportation management and control of claim 1, wherein the butterfly valve has a high sealing performance, and is characterized in that: and a sealing ring (11) is arranged on the outer surface of the valve clack B (12).

5. The butterfly valve for water conservancy transportation management and control of claim 1, wherein the butterfly valve has a high sealing performance, and is characterized in that: install control box (1) on installation cover (6) top, control box (1) inside intermediate position department installs transmission shaft (21), and transmission shaft (21) end installs hand wheel (3), conical gear B (20) are installed to transmission shaft (21) surface symmetry.

6. The butterfly valve for water conservancy transportation management and control of claim 5, wherein the butterfly valve has a high sealing performance, and is characterized in that: control motor (2) are installed on control box (1) top, conical gear A (19) are installed to control motor (2) output, conical gear A (19) are equipped with two altogether, and two conical gear A (19) equivalent is installed in control motor (2) output and well idle shaft (13) top.

7. The butterfly valve for water conservancy transportation management and control of claim 5, wherein the butterfly valve has a high sealing performance, and is characterized in that: air pump (15) are installed to inside one side of control box (1), three-way valve (14) are installed to air pump (15) output, trachea (26) are installed to three-way valve (14) bottom, and trachea (26) end-to-end connection is on cavity pivot (13).

8. The butterfly valve for water conservancy transportation management and control of claim 1, wherein the butterfly valve has a high sealing performance, and is characterized in that: and connecting flanges (5) are symmetrically arranged on two sides of the valve body (4).