CN214146638U

CN214146638U - Leakage-proof electric butterfly valve

Info

Publication number: CN214146638U
Application number: CN202120080849.XU
Authority: CN
Inventors: 洪振国; 洪振华
Original assignee: Wuhan Bosite Valve Group Co ltd
Current assignee: Wuhan Bosite Valve Group Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-09-07
Anticipated expiration: 2031-01-13

Abstract

An anti-leakage electric butterfly valve comprises a flat plate, a power part, a mounting seat, a rotating shaft, an upper sealing assembly, a lower sealing assembly, a mounting block, a turning plate, a sealing assembly and a pipeline; the upper sealing assembly comprises a rubber ring I, a sleeve, a rubber ring II and a transparent cover; the lower sealing assembly comprises a rubber ring III, a bearing and an end cover; the sealing assembly comprises a mounting ring, a sealing ring and a first spring; in the utility model, an upper sealing component and a lower sealing component are arranged to seal between the rotating shaft and the pipeline, so that the transmission medium is prevented from leaking from the gap between the rotating shaft and the pipeline; the sealing assembly is arranged, the abrasion of the sealing ring is compensated by the spring, and the problems of poor sealing and leakage of a transmission medium caused by abrasion of the sealing ring are avoided; set up the installation component, can carry out the shock attenuation to the butterfly valve, avoid vibration to influence the sealed of butterfly valve.

Description

Leakage-proof electric butterfly valve

Technical Field

The utility model relates to a butterfly valve antiseep field especially relates to an electric butterfly valve of antiseep.

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 existing butterfly valve is sealed by the valve plate edge and the valve seat in close contact when being closed, the valve rod penetrates through the hole in the valve seat and is sealed by the rubber sealing ring to prevent leakage, some soft valve seats are under unilateral pressure, the valve plate is under pressure and drives the valve rod to extrude the valve seat and the sealing ring, the valve seat and the sealing ring deform, the valve rod deflects to one side under pressure, and the extrusion sides of the valve rod and the valve seat and the sealing ring are easy to generate gaps under the condition, so that the butterfly valve leaks and the sealing performance of the valve is influenced.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides an anti-leakage electric butterfly valve, which is provided with an upper sealing component and a lower sealing component to seal between a rotating shaft and a pipeline and avoid the leakage of a transmission medium from a gap between the rotating shaft and the pipeline; the sealing assembly is arranged, the abrasion of the sealing ring is compensated by the spring, and the problems of poor sealing and leakage of a transmission medium caused by abrasion of the sealing ring are avoided; set up the installation component, can carry out the shock attenuation to the butterfly valve, avoid vibration to influence the sealed of butterfly valve.

(II) technical scheme

In order to solve the problems, the utility model provides an anti-leakage electric butterfly valve, which comprises a flat plate, a power part, a mounting seat, a rotating shaft, an upper sealing component, a lower sealing component, a mounting block, a turning plate, a sealing component and a pipeline; the upper end of the flat plate is provided with a power component, and the lower end of the flat plate is provided with a mounting seat; the pipeline is arranged at the lower end of the mounting seat, the upper end of the pipeline is provided with an upper sealing assembly, and the lower end of the pipeline is provided with a lower sealing assembly; the upper end of the rotating shaft is connected with a power component, and the lower end of the rotating shaft penetrates through the flat plate, the mounting seat and the upper sealing assembly and is connected with the lower sealing assembly; the mounting block is sleeved on the rotating shaft and positioned inside the pipeline, and a turning plate is arranged on one side of the mounting block; the sealing component is arranged on the inner wall of the pipeline and is positioned on one side of the turning plate away from the rotating shaft; the upper sealing assembly comprises a rubber ring I, a sleeve, a rubber ring II and a transparent cover; the upper end of the pipeline is provided with a first through hole; the rubber ring is sleeved on the rotating shaft and positioned inside the first through hole; the sleeve is sleeved on the rotating shaft and positioned at the upper end of the first rubber ring; the rubber ring is sleeved on the rotating shaft and positioned at the upper end of the sleeve; the transparent cover is sleeved on the rotating shaft, is positioned at the upper end of the rubber ring II and is connected with the mounting seat; the lower sealing assembly comprises a rubber ring III, a bearing and an end cover; the lower end of the pipeline is provided with a second through hole; the rubber ring III is sleeved at the lower end of the rotating shaft and is positioned inside the through hole II; the bearing is arranged at the lower end of the rubber ring III, the inner ring is connected with the lower end of the rotating shaft, and the outer ring is connected with the hole wall of the through hole II; the end cover is arranged at the lower end of the pipeline, and the upper end of the end cover extends into the second through hole and is contacted with the outer ring of the bearing; the sealing assembly comprises a mounting ring, a sealing ring and a first spring; the mounting ring is arranged on the inner wall of the pipeline, the outer ring side wall of the sealing ring is connected with the inner wall of the pipeline, and the inner ring side wall of the sealing ring is connected with the mounting ring; the first spring is arranged inside the mounting ring; one end of the sealing ring is arranged to be an inclined plane and is in contact with the turning plate, and the other end of the sealing ring is connected with the first spring.

Preferably, the upper end of the flat plate is provided with a mounting component; the mounting assembly comprises a screw, a pressing plate, a nut, a connecting column, a mounting bolt, a second spring and a mounting plate; the pressing plate is arranged above the flat plate; the screw rod is arranged at the upper end of the flat plate, and the upper end of the screw rod penetrates through the pressing plate to be in threaded connection with the nut; the lower end of the connecting column is connected with the pressing plate, and the upper end of the connecting column is connected with the mounting plate; the mounting bolt is arranged on the mounting plate in a penetrating way; the spring sleeve is arranged on the screw rod, the upper end of the spring sleeve is connected with the pressing plate, and the lower end of the spring sleeve is connected with the flat plate.

Preferably, the outer side of the connecting column is provided with a reinforcing rib plate.

Preferably, the transparent cover and the end cover are both provided with screws which are connected with the pipeline through the screws.

Preferably, flanges are arranged on the outer sides of two ends of the pipeline.

Preferably, a protrusion is provided at a position where the mounting ring contacts the sealing ring.

Preferably, the lower end of the nut is provided with an elastic washer.

The above technical scheme of the utility model has following profitable technological effect:

in the utility model, an upper sealing component and a lower sealing component are arranged to seal between the rotating shaft and the pipeline, so that the transmission medium is prevented from leaking from the gap between the rotating shaft and the pipeline; the sealing assembly is arranged, the abrasion of the sealing ring is compensated by the spring, and the problems of poor sealing and leakage of a transmission medium caused by abrasion of the sealing ring are avoided; set up the installation component, can carry out the shock attenuation to the butterfly valve, avoid vibration to influence the sealed of butterfly valve.

Drawings

Fig. 1 is the utility model provides a structural schematic diagram of the electric butterfly valve of antiseep.

Fig. 2 is a partial enlarged view of a position a in the leakage-proof electric butterfly valve of the present invention.

Fig. 3 is a partial enlarged view of the position B in the leakage-proof electric butterfly valve of the present invention.

Fig. 4 is a partial enlarged view of the position C in the leakage-proof electric butterfly valve of the present invention.

Reference numerals: 1. a flat plate; 2. a power component; 3. a mounting seat; 4. a rotating shaft; 5. an upper seal assembly; 6. a lower seal assembly; 7. mounting blocks; 8. turning over a plate; 9. a seal assembly; 10. a first rubber ring; 11. a sleeve; 12. a second rubber ring; 13. a transparent cover; 14. a third rubber ring; 15. a bearing; 16. an end cap; 17. a mounting ring; 18. a seal ring; 19. a first spring; 20. mounting the component; 21. a screw; 22. pressing a plate; 23. a nut; 24. connecting columns; 25. installing a bolt; 26. a second spring; 27. mounting a plate; 28. a reinforcing rib plate; 29. a screw; 30. a flange plate; 31. a protrusion; 32. an elastic washer; 33. a pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the anti-leakage electric butterfly valve provided by the present invention comprises a flat plate 1, a power component 2, a mounting seat 3, a rotating shaft 4, an upper sealing component 5, a lower sealing component 6, a mounting block 7, a turning plate 8, a sealing component 9 and a pipeline 33; the upper end of the flat plate 1 is provided with a power component 2, and the lower end is provided with a mounting seat 3; the pipeline 33 is arranged at the lower end of the mounting seat 3, the upper end of the pipeline is provided with the upper sealing assembly 5, and the lower end of the pipeline is provided with the lower sealing assembly 6; the upper end of the rotating shaft 4 is connected with the power component 2, and the lower end of the rotating shaft penetrates through the flat plate 1, the mounting seat 3 and the upper sealing assembly 5 to be connected with the lower sealing assembly 6; the mounting block 7 is sleeved on the rotating shaft 4 and is positioned inside the pipeline 33, and a turning plate 8 is arranged on one side of the mounting block; the sealing component 9 is arranged on the inner wall of the pipeline 33 and is positioned on one side of the turning plate 8 far away from the rotating shaft 4; the upper sealing component 5 comprises a first rubber ring 10, a sleeve 11, a second rubber ring 12 and a transparent cover 13; the upper end of the pipeline 33 is provided with a first through hole; the first rubber ring 10 is sleeved on the rotating shaft 4 and is positioned in the first through hole; the sleeve 11 is sleeved on the rotating shaft 4 and is positioned at the upper end of the first rubber ring 10; the second rubber ring 12 is sleeved on the rotating shaft 4 and is positioned at the upper end of the sleeve 11; the transparent cover 13 is sleeved on the rotating shaft 4, is positioned at the upper end of the second rubber ring 12 and is connected with the mounting base 3; the lower sealing assembly 6 comprises a third rubber ring 14, a bearing 15 and an end cover 16; the lower end of the pipeline 33 is provided with a second through hole; the third rubber ring 14 is sleeved at the lower end of the rotating shaft 4 and is positioned in the second through hole; the bearing 15 is arranged at the lower end of the rubber ring III 14, the inner ring is connected with the lower end of the rotating shaft 4, and the outer ring is connected with the hole wall of the through hole II; the end cover 16 is arranged at the lower end of the pipeline 33, and the upper end of the end cover extends into the second through hole and is in contact with the outer ring of the bearing 15; the sealing assembly 9 comprises a mounting ring 17, a sealing ring 18 and a first spring 19; the mounting ring 17 is arranged on the inner wall of the pipeline 33, the outer ring side wall of the sealing ring 18 is connected with the inner wall of the pipeline 33, and the inner ring side wall is connected with the mounting ring 17; the first spring 19 is arranged inside the mounting ring 17; one end of the sealing ring 18 is arranged to be an inclined surface and is contacted with the turning plate 8, and the other end of the sealing ring is connected with a first spring 19.

In an alternative embodiment, the upper end of the plate 1 is provided with a mounting assembly 20; the mounting assembly 20 comprises a screw 21, a pressure plate 22, a nut 23, a connecting column 24, a mounting bolt 25, a second spring 26 and a mounting plate 27; the pressing plate 22 is arranged above the flat plate 1; the screw 21 is arranged at the upper end of the flat plate 1, and the upper end of the screw passes through the pressing plate 22 and is in threaded connection with the nut 23; the lower end of the connecting column 24 is connected with the pressure plate 22, and the upper end is connected with the mounting plate 27; the mounting bolt 25 is arranged on the mounting plate 27 in a penetrating way; the second spring 26 is sleeved on the screw 21, the upper end of the second spring is connected with the pressing plate 22, and the lower end of the second spring is connected with the flat plate 1.

In an alternative embodiment, reinforcing ribs 28 are provided on the outside of connecting column 24.

In an alternative embodiment, the transparent cover 13 and the end cover 16 are provided with screws 29, and are connected with the pipeline 33 through the screws 29.

In an alternative embodiment, flanges 30 are provided on the outside of both ends of the pipe 33.

In an alternative embodiment, the location where the mounting ring 17 contacts the sealing ring 18 is provided with a protrusion 31.

In an alternative embodiment, the lower end of the nut 23 is provided with a resilient washer 32.

In the utility model, the working principle of the device is that the device is fixed by the mounting bolt 25 and is connected with the transmission pipeline by the flange 30; the rubber ring I10, the rubber ring II 12 and the rubber ring III 14 seal a gap between the rotating shaft 4 and the pipeline 33; the power part 2 drives the turning plate 8 to rotate through the rotating shaft 4 to control the opening and closing of the butterfly valve, and the sealing ring 18 is always kept in contact with the turning plate 8 under the action of the first spring 19 to compensate the abrasion loss of the sealing ring 18; the mounting assembly 20 is capable of damping the device and transmitting vibrations to the pressure plate 22, causing the length of the second spring 26 to change, absorbing shocks, and filtering vibrations.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. An anti-leakage electric butterfly valve is characterized by comprising a flat plate (1), a power component (2), a mounting seat (3), a rotating shaft (4), an upper sealing assembly (5), a lower sealing assembly (6), a mounting block (7), a turning plate (8), a sealing assembly (9) and a pipeline (33); the upper end of the flat plate (1) is provided with a power component (2), and the lower end is provided with a mounting seat (3); the pipeline (33) is arranged at the lower end of the mounting seat (3), the upper end of the pipeline is provided with an upper sealing component (5), and the lower end of the pipeline is provided with a lower sealing component (6); the upper end of the rotating shaft (4) is connected with the power component (2), and the lower end of the rotating shaft penetrates through the flat plate (1), the mounting seat (3) and the upper sealing assembly (5) and is connected with the lower sealing assembly (6); the mounting block (7) is sleeved on the rotating shaft (4) and is positioned inside the pipeline (33), and a turning plate (8) is arranged on one side of the mounting block; the sealing component (9) is arranged on the inner wall of the pipeline (33) and is positioned on one side of the turning plate (8) far away from the rotating shaft (4);

the upper sealing assembly (5) comprises a rubber ring I (10), a sleeve (11), a rubber ring II (12) and a transparent cover (13); the upper end of the pipeline (33) is provided with a first through hole; the first rubber ring (10) is sleeved on the rotating shaft (4) and is positioned in the first through hole; the sleeve (11) is sleeved on the rotating shaft (4) and is positioned at the upper end of the rubber ring I (10); the second rubber ring (12) is sleeved on the rotating shaft (4) and is positioned at the upper end of the sleeve (11); the transparent cover (13) is sleeved on the rotating shaft (4), is positioned at the upper end of the rubber ring II (12), and is connected with the mounting seat (3);

the lower sealing assembly (6) comprises a rubber ring III (14), a bearing (15) and an end cover (16); the lower end of the pipeline (33) is provided with a second through hole; the third rubber ring (14) is sleeved at the lower end of the rotating shaft (4) and is positioned in the second through hole; the bearing (15) is arranged at the lower end of the rubber ring III (14), the inner ring is connected with the lower end of the rotating shaft (4), and the outer ring is connected with the hole wall of the through hole II; the end cover (16) is arranged at the lower end of the pipeline (33), and the upper end of the end cover extends into the second through hole and is in contact with the outer ring of the bearing (15);

the sealing assembly (9) comprises a mounting ring (17), a sealing ring (18) and a first spring (19); the mounting ring (17) is arranged on the inner wall of the pipeline (33), the outer ring side wall of the sealing ring (18) is connected with the inner wall of the pipeline (33), and the inner ring side wall is connected with the mounting ring (17); the first spring (19) is arranged inside the mounting ring (17); one end of the sealing ring (18) is arranged to be an inclined surface and is contacted with the turning plate (8), and the other end of the sealing ring is connected with the first spring (19).

2. The leakage-proof electric butterfly valve according to claim 1, wherein the upper end of the plate (1) is provided with a mounting assembly (20); the mounting assembly (20) comprises a screw rod (21), a pressing plate (22), a nut (23), a connecting column (24), a mounting bolt (25), a second spring (26) and a mounting plate (27); the pressing plate (22) is arranged above the flat plate (1); the screw rod (21) is arranged at the upper end of the flat plate (1), and the upper end of the screw rod penetrates through the pressing plate (22) to be in threaded connection with the nut (23); the lower end of the connecting column (24) is connected with the pressure plate (22), and the upper end is connected with the mounting plate (27); the mounting bolt (25) is arranged on the mounting plate (27) in a penetrating way; the second spring (26) is sleeved on the screw rod (21), the upper end of the second spring is connected with the pressing plate (22), and the lower end of the second spring is connected with the flat plate (1).

3. The leakage-proof electric butterfly valve according to claim 1, wherein the outer side of the connecting column (24) is provided with a reinforcing rib (28).

4. The leakage-proof electric butterfly valve according to claim 1, wherein the transparent cover (13) and the end cover (16) are provided with screws (29) and connected with the pipeline (33) through the screws (29).

5. The leakage-proof electric butterfly valve according to claim 1, wherein flanges (30) are provided on the outer sides of both ends of the pipe (33).

6. The leakage-proof electric butterfly valve according to claim 1, wherein a projection (31) is provided at a position where the mounting ring (17) contacts the sealing ring (18).

7. The leakage-proof electric butterfly valve according to claim 1, wherein the lower end of the nut (23) is provided with an elastic washer (32).