CN218935310U

CN218935310U - Medium anti-leakage assembly suitable for butterfly valve

Info

Publication number: CN218935310U
Application number: CN202222582721.0U
Authority: CN
Inventors: 高德生
Original assignee: Nanyang Weihan Machinery Equipment Co ltd
Current assignee: Nanyang Weihan Machinery Equipment Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-04-28
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a medium leakage-proof component suitable for a butterfly valve, which relates to the technical field of butterfly valves and comprises a valve body, wherein a sealing barrel is connected inside the valve body in a sliding way, a fixed plate is fixedly connected to the inner wall of the sealing barrel, a buffer rod is rotatably connected to the bottom of the fixed plate, a movable groove is formed in the inner wall of the sealing barrel, the cross section of the movable groove is T-shaped, the medium leakage-proof component suitable for the butterfly valve enables the contact surface of the buffer rod and water flow to be larger through the cross section of the buffer rod, so that the water flow can smoothly push the buffer rod to move and enable the buffer rod to rotate, the sealing barrel is enabled to deform to enable the contact between the sealing barrel and the inner wall of the valve body to be tighter, the sealing performance of the valve body is enabled to be improved to a certain extent, and therefore water flow mediums inside the valve body can be transported more smoothly, and the leakage condition is reduced to a certain extent.

Description

Medium anti-leakage assembly suitable for butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a medium leakage-proof assembly suitable for a butterfly valve.

Background

The butterfly valve is also called as a flap valve, and can be used for controlling the opening and closing of low-pressure pipeline media, and the butterfly valve is a valve which is characterized in that a closing member (a valve clack or a butterfly plate) is a disc and rotates around a valve shaft to achieve opening and closing, 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.

At present, some butterfly valves are fixedly installed through a flange and a bolt, and meanwhile, the joint is sealed only through sealing rings arranged on the outer side of the flange.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a medium leakage-proof assembly suitable for a butterfly valve, which can solve the problem that the sealing performance of a sealing ring is reduced after the sealing ring is used for a long time due to simpler sealing at the joint of the butterfly valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a medium leak protection subassembly suitable for butterfly valve is used, includes the valve body, the inside sliding connection of valve body has sealed bucket, and the inner wall fixedly connected with fixed plate of sealed bucket, the bottom rotation of fixed plate is connected with the buffer rod, and the movable tank has been seted up to the inner wall of sealed bucket, and the cross-section of movable tank is the T font, and the surface of buffer rod and the inside sliding connection of movable tank, the cross-section of buffer rod are the cross, and the inside of movable tank is provided with the transmission and beats the device, and the constant head tank has been seted up to the inside of valve body, and the surface fixedly connected with of sealed bucket and constant head tank inside sliding connection's locating piece.

Preferably, the inner wall fixedly connected with spring of removal groove, the left end and the surface fixed connection of buffer rod of spring.

Preferably, a sealing ring is arranged on the left side of the valve body.

Preferably, the transmission knocking device comprises a limiting frame, the surface of the limiting frame is in sliding connection with the inside of the movable groove, the cross section of the limiting frame is L-shaped, the top of the limiting frame is fixedly connected with a sliding plate, the surface of the sliding plate is in sliding connection with the inside of the sealing barrel, the limiting frame is located on the left side of the buffer rod, the top of the sliding plate is provided with a sliding groove, the surface of the buffer rod is in sliding connection with the inside of the sliding groove, and the bottom of the buffer rod penetrates through the inside of the sliding groove in a sliding manner and extends to the inside of the movable groove.

Preferably, the inside threaded connection of sealed bucket has the collar, and the inside fixedly connected with filter screen of collar.

Preferably, the top fixedly connected with bracing piece of slide, the top fixedly connected with spheroid of bracing piece.

The beneficial effects of the utility model are as follows:

(1) This medium anti-leakage subassembly suitable for butterfly valve is cross through the cross-section of buffer rod, makes the contact surface of buffer rod and rivers bigger, thereby make rivers can promote the buffer rod more smoothly and remove, and make the buffer rod rotate, make sealed bucket appear certain deformation, thereby make sealed bucket and the inner wall contact of valve body inseparabler, make the leakproofness of valve body obtain certain promotion, thereby make the inside rivers medium of valve body transport more smoothly, and reduce the circumstances that rivers appear leaking to a certain extent, make the leakproofness of valve body obtain certain promotion.

(2) This medium anti-leakage subassembly suitable for butterfly valve is used drives the slide through the buffer rod and removes left to make bracing piece and spheroid remove left, make the spheroid carry out certain striking to the filter screen, make the impurity that adheres to on the filter screen obtain certain landing, reduce impurity to a certain extent and pile up on the filter screen for a long time, make the filter screen mesh appear blocking, make the circumstances that water flow velocity reduces appear, thereby make the staff can use the valve body more conveniently.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of the structure of a valve body of the present utility model;

FIG. 2 is a schematic cross-sectional view of a sealed bucket of the present utility model;

fig. 3 is a schematic left-hand plan view of the sealed bucket of the present utility model.

Reference numerals: 1. a valve body; 2. a seal ring; 3. a positioning groove; 4. sealing the barrel; 5. a positioning block; 6. a mounting ring; 7. a filter screen; 8. a support rod; 9. a sphere; 10. a slide plate; 11. a chute; 12. a spring; 13. a moving groove; 14. a buffer rod; 15. a fixing plate; 16. and a limiting frame.

Detailed Description

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a medium leak protection subassembly suitable for butterfly valve is used, including valve body 1, valve body 1 is current structure, do not make excessive description here, the inside sliding connection of valve body 1 has sealed bucket 4, material such as rubber that sealed bucket 4 is for having certain elasticity, the inner wall fixedly connected with fixed plate 15 of sealed bucket 4, the bottom rotation of fixed plate 15 is connected with buffer rod 14, the quantity of buffer rod 14 is two, two buffer rod 14 mutually perpendicular sets up in the inside of sealed bucket 4, the removal groove 13 has been seted up to the inner wall of sealed bucket 4, the cross-section of removal groove 13 is the T font, the surface of buffer rod 14 and the inside sliding connection of removal groove 13, the cross-section of buffer rod 14 is the cross, the inside of removal groove 13 is provided with the transmission and beats the device, constant head tank 3 has been seted up to the inside of valve body 1, the surface fixedly connected with of sealed bucket 4 and constant head tank 3 inside sliding connection's locating piece 5.

The cross section through buffer rod 14 is cross, makes the contact surface of buffer rod 14 and rivers bigger to make rivers can promote buffer rod 14 more smoothly and remove, and make buffer rod 14 rotate, make sealed bucket 4 appear certain deformation, thereby make sealed bucket 4 and the inner wall contact of valve body 1 inseparabler, make the leakproofness of valve body 1 obtain certain promotion, thereby make the inside rivers medium of valve body 1 transport more smoothly, and reduce the circumstances that rivers appear leaking to a certain extent, make the leakproofness of valve body 1 obtain certain promotion.

Further, the inner wall of the moving groove 13 is fixedly connected with a spring 12, the left end of the spring 12 is fixedly connected with the surface of the buffer rod 14, and the spring 12 can be reset and compressed by the left-right movement of the buffer rod 14.

Further, the left side of the valve body 1 is provided with the sealing ring 2, and when the valve body 1 is fixed through the flange by the sealing ring 2, the sealing performance of the valve body 1 at the joint is improved to a certain degree.

The transmission knocking device comprises a limiting frame 16, the surface of the limiting frame 16 is in sliding connection with the inside of the movable groove 13, the cross section of the limiting frame 16 is L-shaped, a sliding plate 10 is fixedly connected to the top of the limiting frame 16, the surface of the sliding plate 10 is in sliding connection with the inside of the sealed barrel 4, the limiting frame 16 is located on the left side of a buffer rod 14, a sliding groove 11 is formed in the top of the sliding plate 10, the surface of the buffer rod 14 is in sliding connection with the inside of the sliding groove 11, and the bottom end of the buffer rod 14 penetrates through the inside of the sliding groove 11 in a sliding manner and extends to the inside of the movable groove 13.

Further, the inside threaded connection of sealed bucket 4 has collar 6, and the inside fixedly connected with filter screen 7 of collar 6, and filter screen 7 can filter the impurity in the rivers medium and block.

Further, the top of the slide plate 10 is fixedly connected with a supporting rod 8, the top of the supporting rod 8 is fixedly connected with a ball 9, and the ball 9 is made of elastic materials such as rubber.

Through the inside of rivers through sealed bucket 4, make rivers promote buffer rod 14 and remove to the right, and make buffer rod 14 drive slide 10 and bracing piece 8 remove to the right, make spring 12 compress, when rivers stop flowing, spring 12 resets, make buffer rod 14 drive slide 10 remove to the left, and make bracing piece 8 and spheroid 9 remove to the left, make spheroid 9 carry out certain striking to filter screen 7, make the impurity that adheres to filter screen 7 obtain certain landing, reduce the impurity to a certain extent and pile up on filter screen 7 for a long time, make filter screen 7 mesh appear blockking up, make the circumstances that rivers flow rate reduces appear, thereby make the staff can use valve body 1 more conveniently.

Working principle: this be applicable to medium leakage prevention subassembly that butterfly valve was used, make sealed bucket 4 slide into the inside of connecting pipe through the staff when using, make valve body 1 fix through bolt and flange, cross section through buffer rod 14 is cross, make buffer rod 14 and the contact surface of rivers bigger, thereby make rivers can promote buffer rod 14 more smoothly and remove, and make buffer rod 14 rotate, make sealed bucket 4 appear certain deformation, thereby make sealed bucket 4 and the inner wall contact of valve body 1 inseparabler, make the leakproofness of valve body 1 obtain certain promotion, thereby make the inside rivers medium of valve body 1 transport more smoothly, and reduce the circumstances that rivers appear leaking in a certain extent, through the inside of rivers through sealed bucket 4, make rivers promote buffer rod 14 and remove right, and make buffer rod 14 drive slide 10 and bracing piece 8 remove right, make spring 12 compress, when rivers stop flowing, make buffer rod 14 drive slide 10 remove left, and make bracing piece 8 and spheroid 9 remove left, make spheroid 9 to 7 carry out certain and beat, make the filter screen that adheres to 7 on the filter screen that certain degree reduces the filter screen that the rivers appear on the filter screen, thereby the filter screen that the speed is stacked on the filter screen that the filter screen is difficult to the certain degree, the filter screen that the realization is convenient for the personnel to appear on the filter screen that the filter screen is stacked on the surface, the time is reduced, the filter screen that the filter screen is used to appear on the surface is more convenient.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. The utility model provides a medium leak protection subassembly suitable for butterfly valve is used, includes valve body (1), its characterized in that: the inside sliding connection of valve body (1) has sealed bucket (4), the inner wall fixedly connected with fixed plate (15) of sealed bucket (4), the bottom rotation of fixed plate (15) is connected with buffer rod (14), remove groove (13) have been seted up to the inner wall of sealed bucket (4), the cross-section of remove groove (13) is the T font, the surface of buffer rod (14) and the inside sliding connection of remove groove (13), the cross-section of buffer rod (14) is the cross, the inside of remove groove (13) is provided with the transmission and beats the device, constant head tank (3) have been seted up to the inside of valve body (1), the surface fixedly connected with of sealed bucket (4) and constant head tank (3) inside sliding connection's locating piece (5).

2. A media leakage prevention assembly for a butterfly valve according to claim 1, wherein: the inner wall of the moving groove (13) is fixedly connected with a spring (12), and the left end of the spring (12) is fixedly connected with the surface of the buffer rod (14).

3. A media leakage prevention assembly for a butterfly valve according to claim 1, wherein: the left side of the valve body (1) is provided with a sealing ring (2).

4. A media leakage prevention assembly for a butterfly valve according to claim 1, wherein: the transmission knocking device comprises a limiting frame (16), wherein the surface of the limiting frame (16) is in sliding connection with the inside of the movable groove (13), the cross section of the limiting frame (16) is L-shaped, the top of the limiting frame (16) is fixedly connected with a sliding plate (10), the surface of the sliding plate (10) is in sliding connection with the inside of the sealing barrel (4), the limiting frame (16) is positioned on the left side of a buffer rod (14), a sliding groove (11) is formed in the top of the sliding plate (10), the surface of the buffer rod (14) is in sliding connection with the inside of the sliding groove (11), and the bottom end of the buffer rod (14) penetrates through the inside of the sliding groove (11) in a sliding manner and extends to the inside of the movable groove (13).

5. A media leakage prevention assembly for a butterfly valve as recited in claim 4, wherein: the inner thread of the sealing barrel (4) is connected with a mounting ring (6), and a filter screen (7) is fixedly connected inside the mounting ring (6).

6. A media leakage prevention assembly for a butterfly valve as recited in claim 5, wherein: the top of slide (10) fixedly connected with bracing piece (8), the top fixedly connected with spheroid (9) of bracing piece (8).