CN215257867U

CN215257867U - High-temperature butterfly valve with long service life

Info

Publication number: CN215257867U
Application number: CN202120567968.8U
Authority: CN
Inventors: 赵云
Original assignee: FORT VALE ENGINEERING SHANGHAI Ltd
Current assignee: FORT VALE ENGINEERING SHANGHAI Ltd
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-12-21
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a high-temperature butterfly valve with long service life, which comprises a butterfly valve main body, a transmission component arranged on the upper surface of the butterfly valve main body, a rotating disc arranged on the right surface of the transmission component, and a butt joint ring fixedly connected with the front and back surfaces of the butterfly valve main body, wherein a liquid stopping device is arranged inside the butterfly valve main body, a sealing device is arranged on the outer surface of the butt joint ring, the sealing property between the butt joint ring and a water pipe during installation and connection can be enhanced by installing the sealing device, and the connecting rubber ring can not fall off when the butt joint ring is installed by arranging a limit button and a limit groove, thereby enhancing the practicability, the abrasion of the rubber sealing ring can be reduced by installing the liquid stopping device, and the pressing plate can slide above the rubber sealing ring by installing a sliding connection component, when the butterfly valve is opened, the lower surface of the pressing plate is separated from the upper surface of the rubber sealing ring by the elasticity of a spring, the practicability is enhanced, and the service life is prolonged.

Description

High-temperature butterfly valve with long service life

Technical Field

The utility model relates to a butterfly valve technical field specifically is a high temperature butterfly valve that life is high.

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.

However, the rubber seal ring frequently rubs against the valve seat when the butterfly valve is opened and closed, which easily causes the abrasion of the rubber seal ring, thereby reducing the service life of the rubber seal ring, and the butterfly valve is easy to leak due to poor sealing property when in use and connection, therefore, the technicians in the field provide a high-temperature butterfly valve with long service life, so as to solve the problems proposed in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature butterfly valve that life is high to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high temperature butterfly valve that life is high, includes the butterfly valve main part, installs the transmission assembly of butterfly valve main part upper surface, install the rolling disc and the rigid coupling on transmission assembly right side surface are in the butt joint circle of surface around the butterfly valve main part, the internally mounted of butterfly valve main part has the liquid device of ending, the surface mounting of butt joint circle has sealing device.

As a further aspect of the present invention: end liquid device including rotating seat, sliding connection subassembly, rubber seal, extrusion groove, fixed slot and clamp plate, the upper surface center department of rotating the seat installs sliding connection subassembly, the upper surface mounting who rotates the seat has rubber seal, rubber seal's inside center department has seted up the fixed slot, rubber seal's upper surface has been seted up the extrusion groove, the inside of fixed slot is run through and is installed the fixed column, the upper surface rigid coupling of fixed column has the clamp plate, the surface rigid coupling of rotating the seat is in transmission assembly's one end.

As a further aspect of the present invention: the shape of clamp plate is the toper, and the lower surface of clamp plate is connected the inside in extrusion groove, the shape of fixed slot is the toper, sliding connection subassembly's surface laminating is in the inside of fixed slot, the surface of fixed column is provided with the screw thread, and the surface of fixed column is connected sliding connection subassembly's inside.

As a further aspect of the present invention: sliding connection subassembly includes a slide, a spring, a slider and a screw thread section of thick bamboo, the lower surface rigid coupling of slide is in the upper surface of rotating the seat, the inside sliding connection of slide has a screw thread section of thick bamboo, the equidistant rigid coupling of surface of a screw thread section of thick bamboo has the slider, the surface sliding connection of slider is in the inside of slide, the lower surface rigid coupling of a screw thread section of thick bamboo has the spring, the one end rigid coupling of spring is in the inside of slide.

As a further aspect of the present invention: sealing device has seted up including connecting rubber circle, sealing ring strip, limit button, draw-in groove and spacing groove to the upper surface of circle the draw-in groove, the bottom equidistance of draw-in groove has seted up the spacing groove, the internally mounted of draw-in groove has connect the rubber circle, the lower surface rigid coupling of connecting the rubber circle has the sealing ring strip, the lower surface equidistance rigid coupling of sealing ring strip has the limit button.

As a further aspect of the present invention: the outer surface of the limiting button is connected to the inner part of the limiting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through installation sealing device, can strengthen the leakproofness of butt joint circle when erection joint and between the water pipe to through setting up spacing button and spacing groove, connect the rubber circle when the installation as butt joint circle and can not drop, strengthened the practicality.

2. Through installation liquid stopping device, can reduce the wearing and tearing to rubber seal to through installation sliding connection subassembly, can let the clamp plate slide in rubber seal's top, when the butterfly valve was opened, the lower surface that makes the clamp plate through the elasticity of spring left rubber seal's upper surface, had strengthened the practicality, had strengthened life.

Drawings

FIG. 1 is a schematic structural diagram of a high-temperature butterfly valve with a long service life;

FIG. 2 is a schematic structural diagram of a high-temperature butterfly valve liquid stopping device with a long service life;

FIG. 3 is a schematic structural view of a sliding connection assembly in a high-temperature butterfly valve with a long service life;

fig. 4 is a schematic structural diagram of a rubber sealing ring in a high-temperature butterfly valve with long service life.

In the figure: 1. a butterfly valve body; 2. a transmission assembly; 3. rotating the disc; 4. a butt joint ring; 5. a liquid stopping device; 6. a sealing device; 7. a rotating seat; 8. a sliding connection assembly; 9. a rubber seal ring; 10. extruding a groove; 11. fixing grooves; 12. pressing a plate; 13. fixing a column; 14. a slide base; 15. a spring; 16. a slider; 17. a threaded barrel; 18. connecting a rubber ring; 19. sealing the ring; 20. a limit button; 21. a card slot; 22. a limiting groove.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present invention, a high temperature butterfly valve with a long service life includes a butterfly valve body 1, a transmission assembly 2 installed on an upper surface of the butterfly valve body 1, a rotary disk 3 installed on a right surface of the transmission assembly 2, and a docking ring 4 fixedly connected to front and rear surfaces of the butterfly valve body 1, a liquid stopping device 5 is installed inside the butterfly valve body 1, the liquid stopping device 5 includes a rotary base 7, a sliding connection assembly 8, a rubber seal ring 9, an extrusion groove 10, a fixing groove 11, and a pressing plate 12, the sliding connection assembly 8 is installed at a center of an upper surface of the rotary base 7, the sliding connection assembly 8 includes a sliding base 14, a spring 15, a sliding block 16, and a threaded cylinder 17, a lower surface of the sliding base 14 is fixedly connected to the upper surface of the rotary base 7, an inner portion of the sliding base 14 is slidably connected to the threaded cylinder 17, the sliding block 16 is fixedly connected to an outer surface of the threaded cylinder 17 at equal distance, an outer surface of the sliding block 16 is slidably connected to an inner portion of the sliding base 14, a spring 15 is fixedly connected to the lower surface of the threaded cylinder 17, one end of the spring 15 is fixedly connected to the inside of the sliding seat 14, a rubber sealing ring 9 is mounted on the upper surface of the rotating seat 7, a fixing groove 11 is formed in the center of the inside of the rubber sealing ring 9, the fixing groove 11 is conical, the outer surface of the sliding connection assembly 8 is attached to the inside of the fixing groove 11, an extrusion groove 10 is formed in the upper surface of the rubber sealing ring 9, a fixing column 13 is mounted inside the fixing groove 11 in a penetrating mode, threads are arranged on the outer surface of the fixing column 13, the outer surface of the fixing column 13 is connected to the inside of the sliding connection assembly 8, a pressing plate 12 is fixedly connected to the upper surface of the fixing column 13, the pressing plate 12 is conical, the lower surface of the pressing plate 12 is connected to the inside of the extrusion groove 10, the outer surface of the rotating seat 7 is fixedly connected to one end of the transmission assembly 2, and the abrasion to the rubber sealing ring 9 can be reduced by installing the liquid stopping device 5, and through installation sliding connection subassembly 8, can let clamp plate 12 slide in rubber seal 9's top, when the butterfly valve was opened, the elasticity through spring 15 made the lower surface of clamp plate 12 leave the upper surface of rubber seal 9, had strengthened the practicality, had strengthened life.

In fig. 1 and 4: there is sealing device 6 to outer surface mounting of ring 4, sealing device 6 is including connecting rubber circle 18, sealing strip 19, stop button 20, draw-in groove 21 and spacing groove 22, draw-in groove 21 has been seted up to the upper surface of ring 4, spacing groove 22 has been seted up to the bottom equidistance of draw-in groove 21, the surface connection of stop button 20 is in the inside of spacing groove 22, the internally mounted of draw-in groove 21 has connecting rubber circle 18, the lower surface rigid coupling of connecting rubber circle 18 has sealing strip 19, the lower surface equidistance rigid coupling of sealing strip 19 has stop button 20, through installation sealing device 6, can strengthen the sealing nature between ring 4 and the water pipe when erection joint, and through setting up stop button 20 and spacing groove 22, connecting rubber circle 18 can not drop when ring 4 is installed, the practicality has been strengthened.

The utility model discloses a theory of operation is: when the valve is installed, the connecting rubber ring 18 is firstly installed in the clamping groove 21, at the moment, the outer surface of the sealing ring strip 19 is connected in the clamping groove 21, the limiting button 20 is connected in the limiting groove 22, then the water pipe is connected with the butt-joint ring 4, the upper surface of the connecting rubber ring 18 is tightly abutted due to water pressure, the sealing performance between the butt-joint ring 4 and the water pipe during installation and connection can be enhanced by installing the sealing device 6, the practicability is enhanced by arranging the limiting button 20 and the limiting groove 22 when the butt-joint ring 4 is installed, the connecting rubber ring 18 cannot fall off when the butt-joint ring 4 is installed, when the valve is used, the transmission component 2 drives the rotating seat 7 to rotate by rotating the rotating disc 3, when the valve needs to be closed, after the rotating seat 7 is reset, the pressing plate 12 is downwards extruded by the water pressure in the pipe, so that the fixing column 13 drives the threaded cylinder 17 to be slidably connected in the sliding seat 14, because the shape of clamp plate 12 and extrusion groove 10, the lower surface of clamp plate 12 can be with rubber seal 9 toward the outer ring extrusion, the diameter of rubber seal 9 this moment is greater than the diameter of rotating seat 7, and rubber seal 9's surface tightly supports and leans on the inside at butterfly valve main part 1, when the open valve state, elasticity through spring 15 can make clamp plate 12 upwards remove, rubber seal 9 resumes original state this moment, through installing liquid stopping device 5, can reduce the wearing and tearing to rubber seal 9, and through installing sliding connection subassembly 8, can let clamp plate 12 slide in rubber seal 9's top, when the butterfly valve is opened, the lower surface that makes clamp plate 12 leaves the upper surface of rubber seal 9 through spring 15's elasticity, the practicality has been strengthened, service life has been strengthened.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high temperature butterfly valve that life is high, includes butterfly valve main part (1), installs transmission assembly (2), the installation of butterfly valve main part (1) upper surface are in rolling disc (3) and the rigid coupling of transmission assembly (2) right side surface are in butt joint circle (4) of surface around butterfly valve main part (1), its characterized in that, the internally mounted of butterfly valve main part (1) has end liquid device (5), the surface mounting of butt joint circle (4) has sealing device (6).

2. A high-temperature butterfly valve with long service life according to claim 1, the liquid stopping device (5) comprises a rotating seat (7), a sliding connection assembly (8), a rubber sealing ring (9), an extrusion groove (10), a fixing groove (11) and a pressing plate (12), the sliding connection assembly (8) is arranged at the center of the upper surface of the rotating seat (7), the upper surface of the rotating seat (7) is provided with the rubber sealing ring (9), the center of the inner part of the rubber sealing ring (9) is provided with the fixing groove (11), the upper surface of the rubber sealing ring (9) is provided with the extrusion groove (10), a fixing column (13) is installed inside the fixing groove (11) in a penetrating mode, the upper surface of the fixing column (13) is fixedly connected with the pressing plate (12), the outer surface of the rotating seat (7) is fixedly connected with one end of the transmission component (2).

3. A high-temperature butterfly valve with a long service life according to claim 2, wherein the pressure plate (12) is conical, the lower surface of the pressure plate (12) is connected to the inside of the pressing groove (10), the fixing groove (11) is conical, the outer surface of the sliding connection assembly (8) is attached to the inside of the fixing groove (11), the outer surface of the fixing column (13) is provided with a thread, and the outer surface of the fixing column (13) is connected to the inside of the sliding connection assembly (8).

4. The high-temperature butterfly valve with the long service life according to claim 2, characterized in that, the sliding connection assembly (8) includes a sliding seat (14), a spring (15), a sliding block (16) and a threaded cylinder (17), the lower surface rigid coupling of the sliding seat (14) is in the upper surface of the rotating seat (7), the internal sliding connection of the sliding seat (14) is provided with the threaded cylinder (17), the external surface equidistant rigid coupling of the threaded cylinder (17) is provided with the sliding block (16), the external surface sliding connection of the sliding block (16) is in the internal of the sliding seat (14), the lower surface rigid coupling of the threaded cylinder (17) is provided with the spring (15), and one end rigid coupling of the spring (15) is in the internal of the sliding seat (14).

5. The high-temperature butterfly valve with the long service life according to claim 1, wherein the sealing device (6) comprises a connecting rubber ring (18), a sealing ring strip (19), a limiting button (20), a clamping groove (21) and a limiting groove (22), the clamping groove (21) is formed in the upper surface of the butt ring (4), the limiting groove (22) is formed in the bottom of the clamping groove (21) at an equal distance, the connecting rubber ring (18) is installed inside the clamping groove (21), the sealing ring strip (19) is fixedly connected to the lower surface of the connecting rubber ring (18), and the limiting button (20) is fixedly connected to the lower surface of the sealing ring strip (19) at an equal distance.

6. A high temperature butterfly valve with a long service life according to claim 5, characterized in that the outer surface of the limit button (20) is connected to the inside of the limit groove (22).