CN215293631U

CN215293631U - Electric butterfly valve with good sealing performance

Info

Publication number: CN215293631U
Application number: CN202121582608.1U
Authority: CN
Inventors: 张思辉; 韩祖建; 王泽年
Original assignee: Shandong Shuangliu Valve Industry Co ltd
Current assignee: Shandong Shuangliu Valve Industry Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-24
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses an electric butterfly valve with good sealing performance, which comprises a valve body, wherein the inner side wall of the valve body is fixedly connected with a limiting block, a valve is arranged inside the valve body, a groove body is arranged inside the valve, sound-absorbing cotton is arranged inside the groove body, and the front part of the valve is fixedly connected with an extension block; the valve comprises a valve body and is characterized in that a valve column is fixedly connected to the top of the valve body, a box body is fixedly connected to the top of the valve column, a motor is fixedly connected to the inner bottom of the box body, a rotating shaft is fixedly connected to an output shaft of the motor, a first bevel gear is fixedly connected to one end of the rotating shaft, a valve shaft is fixedly connected to the bottom of the box body through a first bearing, a second bevel gear is fixedly connected to the valve shaft inside the box body, and the first bevel gear and the second bevel gear are meshed. The utility model discloses, be provided with the damage that collision and friction that first rubber circle, second rubber circle reduced the valve brought, reduce economic loss.

Description

Electric butterfly valve with good sealing performance

Technical Field

The utility model relates to an electric butterfly valve field especially relates to an electric butterfly valve that sealing performance is good.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for on-off control of low-pressure pipeline media, for example, can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

Because the medium that controls the flow, electric butterfly valve need often close the valve plate and open, when closing the valve plate and open, the valve plate often contacts with the sealing member, wears to cause the sealing member sealing performance to reduce easily to the sealing member.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing an electric butterfly valve with good sealing performance.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric butterfly valve with good sealing performance comprises a valve body, wherein a limiting block is fixedly connected to the inner side wall of the valve body, a valve is arranged inside the valve body, a groove body is formed inside the valve, sound-absorbing cotton is installed inside the groove body, and an extending block is fixedly connected to the front portion of the valve;

the top of the valve body is fixedly connected with a valve column, the top of the valve column is fixedly connected with a box body, the inner bottom of the box body is fixedly connected with a motor, an output shaft of the motor is fixedly connected with a rotating shaft, one end of the rotating shaft, which is far away from the motor, is fixedly connected with a first bevel gear, the bottom of the box body is fixedly connected with a valve shaft through a first bearing, a second bevel gear is fixedly connected to the valve shaft in the box body, and the first bevel gear is meshed with the second bevel gear;

the side wall of the box body is fixedly connected with a connecting rod through a second bearing, one end of the connecting rod in the box body is fixedly connected with a third bevel gear, and the third bevel gear is meshed with the second bevel gear;

the valve shaft penetrates through the valve column, the sound absorption cotton and the valve, and the bottom of the valve shaft is arranged inside the valve body; the center of the rear wall of the valve is provided with a screw which penetrates through the valve and is fixedly connected to the extension block.

As a further description of the above technical solution:

the limiting block is provided with a semi-ring on the inner side wall of the valve body.

As a further description of the above technical solution:

the first bevel gear and the third bevel gear are respectively meshed with the second bevel gear.

As a further description of the above technical solution:

the valve shaft penetrates through the valve body, the second rubber ring and the valve.

As a further description of the above technical solution:

the second rubber ring winds the valve for one circle.

As a further description of the above technical solution:

the connecting rod is connected with the box body through a second bearing and is fixed to realize rotation.

As a further description of the above technical solution:

the valve shaft is connected with the box body through a first bearing and fixed so as to rotate.

As a further description of the above technical solution:

the support frame is fixed by a connecting rod.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the electric butterfly valve with good sealing performance has the advantages that the valve is opened and closed by driving the valve shaft to rotate through the rotation of the motor and the connecting rod, double layers can be guaranteed, and the electric butterfly valve can work under the condition of no electricity.

2. Compared with the prior art, this electric butterfly valve that sealing performance is good is provided with first rubber circle and protects the injury that the valve striking brought, reduces the change of valve, reduces the loss that the economy brought.

3. Compared with the prior art, this electric butterfly valve that sealing performance is good is provided with the second rubber circle, alleviates the friction of valve and valve body inner wall, reduces the damage of valve body, reduces the loss that the economy brought.

Drawings

Fig. 1 is an overall structural diagram of an electric butterfly valve with good sealing performance provided by the utility model;

fig. 2 is a front cross-sectional view of the overall structure of an electric butterfly valve with good sealing performance;

fig. 3 is a top cross-sectional view of the overall structure of an electric butterfly valve with good sealing performance according to the present invention;

FIG. 4 is the utility model provides an overall structure side view of electric butterfly valve that sealing performance is good

Illustration of the drawings:

1. a box body; 2. a motor; 3. a rotating shaft; 4. a first bevel gear; 5. a second bevel gear; 6. a valve shaft; 7. a spool; 8. a first bearing; 9. a second bearing; 10. a valve body; 11. a limiting block; 12. a first rubber ring; 13. a valve; 14. a second rubber ring; 15. a trough body; 16. sound-absorbing cotton; 17. a screw; 18. a third rubber ring; 19. an extension block; 20. a fixed block; 21. an electric telescopic rod; 22. a third bevel gear; 23. a connecting rod; 24. a support frame; 25. a handle; 26. a base.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-4, the utility model provides a pair of electric butterfly valve that sealing performance is good: the valve comprises a valve body 10, wherein a limiting block 11 is fixedly connected to the side wall of the interior of the valve body 10, the valve 13 is limited to rotate to a position and cannot stop, a first rubber ring 12 is fixedly connected to the upper surface of the limiting block 11, the first rubber ring 12 is attached to a closed valve 13, damage caused by collision between a law case 13 and the limiting block 11 is prevented, the valve 13 is arranged inside the valve body 10, a groove body 15 is formed inside the valve 13, sound absorption cotton 15 is conveniently placed, sound absorption cotton 16 is installed inside the groove body 15, flowing sound of water flow is absorbed, the sound is reduced, an extension block 19 is fixedly connected to the front portion of the valve 13, the electric telescopic rod 21 is conveniently installed, a fixing block 20 is arranged inside the extension block 19, and electric telescopic rods 21 are fixedly connected to two sides of the fixing block 20;

the top of the valve body 10 is fixedly connected with a valve column 7, the top of the valve column 7 is fixedly connected with a box body 1, the work of a motor and a bevel gear is protected from being affected, the inner bottom of the box body 1 is fixedly connected with a motor 2, an output shaft of the motor 2 is fixedly connected with a rotating shaft 3, one end, far away from the motor 2, of the rotating shaft 3 is fixedly connected with a first bevel gear 4, the first bevel gear 4 drills to drive a valve shaft 6 to rotate, the bottom of the box body 1 is fixedly connected with a valve shaft 6 through a first bearing 8, the valve shaft 6 is connected with the box body 1 to be fixed, a second bevel gear 5 is fixedly connected to the valve shaft 6 inside the box body 1, and the first bevel gear 4 is meshed with the second bevel gear 5;

the side wall of the box body 1 is fixedly connected with a connecting rod 23 through a second bearing 9, the switch valve 13 can be received, one end of the connecting rod 23 in the box body 1 is fixedly connected with a third bevel gear 22, the inner bottom of the box body 1 is fixedly connected with a supporting frame 24, the connecting rod 23 is arranged at the top of the supporting frame 24, and the third bevel gear 22 is meshed with the second bevel gear 5;

the valve shaft 6 penetrates through the valve column 7, the sound absorption cotton 16 and the valve 13, so that the valve shaft 6 can drive the valve 13 to rotate; the center of the rear wall of the valve 13 is provided with a screw 17, so that the valve shaft 6 drives the valve 13 to rotate more laborsavingly, a third rubber ring 18 is pasted on the outer side of the screw 17, the screw 17 is protected from rusting in water for a long time, the front part of the third rubber ring 18 is pasted on the valve 13, the side wall of the valve 13 is fixedly connected with a second rubber ring 14, and the rear part of the second rubber ring 14 is pasted on the edge of the closed valve 13.

The working principle is as follows: when the valve is used, the output shaft of the motor rotates to drive the first bevel gear, the first bevel gear drives the second bevel gear to rotate the valve shaft, the valve shaft rotates to drive the valve to rotate, and the valve is opened to enable water flow to pass through; similarly, the motor rotates reversely to close the valve to cut off water flow, and then the electric telescopic rod extends, so that the movable end of the electric telescopic rod extends into the notch in the valve body, and the valve is prevented from being flushed by reverse backflow of the water flow.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an electric butterfly valve that sealing performance is good, includes valve body (10), its characterized in that: the side wall of the interior of the valve body (10) is fixedly connected with a limiting block (11), a valve (13) is arranged inside the valve body (10), a groove body (15) is formed inside the valve (13), sound-absorbing cotton (16) is arranged inside the groove body (15), and an extending block (19) is fixedly connected to the front portion of the valve (13);

the valve rod (7) is fixedly connected to the top of the valve body (10), the box body (1) is fixedly connected to the top of the valve rod (7), the motor (2) is fixedly connected to the inner bottom of the box body (1), the rotating shaft (3) is fixedly connected to an output shaft of the motor (2), one end, far away from the motor (2), of the rotating shaft (3) is fixedly connected with a first bevel gear (4), the valve shaft (6) is fixedly connected to the bottom of the box body (1) through a first bearing (8), a second bevel gear (5) is fixedly connected to the valve shaft (6) inside the box body (1), and the first bevel gear (4) is meshed with the second bevel gear (5);

the side wall of the box body (1) is fixedly connected with a connecting rod (23) through a second bearing (9), one end of the connecting rod (23) in the box body (1) is fixedly connected with a third bevel gear (22), and the third bevel gear (22) is meshed with the second bevel gear (5);

the valve shaft (6) penetrates through the valve column (7), the sound-absorbing cotton (16) and the valve (13); the valve is characterized in that a screw (17) is arranged in the center of the rear wall of the valve (13), and the screw (17) penetrates through the valve (13) and the valve shaft (6) and is fixedly connected to the extension block (19).

2. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: and a third rubber ring (18) is adhered to the outer side of the screw (17), and the front part of the third rubber ring (18) is adhered to the valve (13).

3. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the lateral wall fixedly connected with second rubber circle (14) of valve (13), the valve (13) edge of the rear portion laminating closure of second rubber circle (14).

4. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the extension block (19) is internally provided with a fixed block (20), and two sides of the fixed block (20) are fixedly connected with electric telescopic rods (21).

5. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the upper surface fixed connection of stopper (11) has first rubber circle (12), first rubber circle (12) and valve (13) laminating of closing.

6. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the interior bottom fixedly connected with support frame (24) of box (1), connecting rod (23) have been placed at the top of support frame (24).

7. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the top of the box body (1) is fixedly connected with a handle (25), and the surface of the handle (25) is provided with anti-skid grains.

8. An electric butterfly valve with good sealing performance according to claim 1, characterized in that: the bottom of the valve body (10) is fixedly connected with a base (26).