CN211288916U

CN211288916U - Electric flange butterfly valve

Info

Publication number: CN211288916U
Application number: CN201922281648.1U
Authority: CN
Inventors: 杨学亮
Original assignee: Tianjin Tangye Valve Co ltd
Current assignee: Tianjin Tangye Valve Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-18
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an electric flange butterfly valve, which comprises a connecting component, wherein the bottom of the connecting component is fixedly connected with a valve body, the interior of the valve body is provided with a connecting hole, the inner wall of the top of the valve body is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a first sealing ring, the inner wall of the bottom of the valve body is fixedly connected with a second spring, and through the first spring, the second spring, the first sealing ring, the second sealing ring, an elastic sealing element and other devices, when the valve core is in a closed state, the elastic force of the first spring and the second spring can drive the first sealing ring and the second sealing ring to press the valve core, the elastic sealing element is compressed and is attached to the periphery of the valve core, thereby ensuring that the parts of the valve core and the first sealing ring and the second sealing ring can not leave a gap, preventing gas from overflowing, and when the valve core, the normal opening of the valve core is not hindered, and the device has a simple structure and is convenient and practical.

Description

Electric flange butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field especially relates to an electric flange butterfly valve.

Background

The electric flange butterfly valve is generally composed of an angle stroke electric actuating mechanism (0-90 degree partial rotation) and a butterfly valve which are integrally connected through a machine, the electric flange butterfly valve is jointly composed after installation and debugging, the structure is simple, the size is small, the weight is light, only a few parts are needed to form the electric flange butterfly valve, and the electric flange butterfly valve can be quickly opened and closed only by rotating 90 degrees, the operation is simple, meanwhile, the valve has good fluid control characteristics, a butterfly plate of the butterfly valve is installed in the diameter direction of a pipeline, in a cylindrical channel of a butterfly valve body, the disc-shaped butterfly plate rotates around an axis, the rotating angle is 0-90 degrees, when the valve rotates to 90 degrees, the valve is in a fully-opened state, the butterfly valve is simple in structure, the size is small, the weight is light, the electric flange butterfly valve only comprises a few parts, and the electric flange.

The electric flange butterfly valve is a valve powered by an electric machine, the purpose of cutting off and opening is achieved by driving a valve core to rotate in a valve body through a motor device, a sealing ring is arranged between the valve core and the valve body, and the problem of rotation of the valve core needs to be considered, so that a certain gap exists between the valve core and the sealing ring due to the fact that the sealing ring cannot be too close to the valve core, airflow can still flow out through the gap, and the problem is solved by an urgent need of a device.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an electric flange butterfly valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an electric flange butterfly valve comprises a connecting component, wherein a valve body is fixedly connected to the bottom of the connecting component, a connecting hole is formed in the valve body, a first spring is fixedly connected to the inner wall of the top of the valve body, a first sealing ring is fixedly connected to the tail end of the bottom of the first spring, a second spring is fixedly connected to the inner wall of the bottom of the valve body, a second sealing ring is fixedly connected to the tail end of the top of the second spring, an elastic sealing element is arranged between the first sealing ring and the second sealing ring, sliding blocks are fixedly connected to the outer walls of the two sides of the first sealing ring and the second sealing ring, sliding rails are formed in the positions, corresponding to the sliding blocks, of the outer walls of the two sides of the valve body, the first sealing ring and the second sealing ring are slidably connected with the outer wall of, the mounting base top fixed mounting has motor device, mounting base top surface just is located motor device outside fixedly connected with protective housing, motor device's the terminal fixedly connected with valve rod in output shaft bottom, the fixed case that has connect in the valve rod the central axis outside.

As a further description of the above technical solution:

the number of the connecting holes is eight, and the included angle between every two adjacent groups of connecting holes is 45 degrees.

As a further description of the above technical solution:

the size of the first sealing ring is equal to that of the second sealing ring, and the first sealing ring and the second sealing ring are symmetrical about the central axis of the valve body.

As a further description of the above technical solution:

the number of the elastic sealing elements is two, and the two groups of elastic sealing elements are symmetrical with respect to the central axis of the valve body.

As a further description of the above technical solution:

and a through hole is formed in the position, corresponding to the valve rod, of the central axis in the mounting seat.

As a further description of the above technical solution:

the circle center of the valve core and the circle center of the valve body are positioned on the same straight line.

The utility model discloses following beneficial effect has:

1. the utility model provides an electric flange butterfly valve compares with traditional device, through first spring, the second spring, first sealing washer, devices such as second sealing washer and elastic sealing element, when the case is in airtight state, the elasticity of first spring and second spring can take first sealing washer and second sealing washer to press toward the case, the laminating of elastic sealing element compression and case periphery, guarantee that the case can not leave the clearance with the piece of first sealing washer and second sealing washer, prevent gaseous spilling over, when the case is in operating condition, first spring and second spring can be compressed, do not hinder the normal opening of case, the device simple structure, convenience and practicality.

2. Compared with the traditional device, the device has great innovation and improvement in structure and design, and through the arrangement of the sliding block, the sliding rail and other devices, the first sealing ring and the second sealing ring are connected with the outer wall of the valve body in a sliding mode through the sliding block and the sliding rail, and meanwhile, the connecting effect is achieved, and the device is worth of being widely popularized.

Drawings

Fig. 1 is a front view of an electric flange butterfly valve according to the present invention;

FIG. 2 is a schematic view of a connection structure between the valve body, the first seal ring and the second seal ring;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Illustration of the drawings:

1. a connecting assembly; 2. a valve body; 3. connecting holes; 4. an elastomeric seal; 5. a second seal ring; 6. a valve core; 7. a first seal ring; 8. a set screw; 9. a mounting seat; 10. a protective shell; 11. a motor device; 12. a valve stem; 13. a slider; 14. a slide rail; 15. a first spring; 16. a second spring.

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.

Referring to fig. 1-3, the present invention provides an embodiment: an electric flange butterfly valve comprises a connecting component 1, wherein the bottom of the connecting component 1 is fixedly connected with a valve body 2, a connecting hole 3 is arranged inside the valve body 2, the inner wall of the top of the valve body 2 is fixedly connected with a first spring 15, the tail end of the bottom of the first spring 15 is fixedly connected with a first sealing ring 7, the inner wall of the bottom of the valve body 2 is fixedly connected with a second spring 16, the tail end of the top of the second spring 16 is fixedly connected with a second sealing ring 5, an elastic sealing element 4 is arranged between the first sealing ring 7 and the second sealing ring 5, the outer walls of two sides of the first sealing ring 7 and the second sealing ring 5 are fixedly connected with a sliding block 13, the outer walls of two sides of the valve body 2 are provided with a sliding rail 14 corresponding to the sliding block 13, the first sealing ring 7 and the second sealing ring 5 are slidably connected with the outer wall of the valve, the top of the mounting seat 9 is fixedly provided with a motor device 11, the outer surface of the top of the mounting seat 9 is fixedly arranged on the outer side of the motor device 11 and is fixedly connected with a protective shell 10, the tail end of the output shaft of the motor device 11 is fixedly connected with a valve rod 12, and the outer side of the central axis of the valve rod 12 is fixedly sleeved with a valve core 6.

The quantity of connecting holes 3 is eight, the contained angle between every two adjacent groups of connecting holes 3 is 45 degrees, be convenient for the fixed connection of device and pipeline, the size of first sealing washer 7 equals with the size of second sealing washer 5, and be symmetrical about the central axis of valve body 2 between first sealing washer 7 and the second sealing washer 5, guarantee the leakproofness between case 6 and the valve body 2, the quantity of elastic sealing member 4 is two sets of, be symmetrical about the central axis of valve body 2 between two sets of elastic sealing member 4, be convenient for along with flexible between first sealing washer 7 and the second sealing washer 5, the through-hole has been seted up to the inside central axis of mount pad 9 and the corresponding position of valve rod 12, be convenient for valve rod 12 to be connected with case 6 through the through-hole, the centre of a circle of case 6 is located same straight line.

The working principle is as follows: the utility model provides an electric flange butterfly valve and traditional device have great improvement innovation, when in use, the motor device 11 provides power source, the output shaft of the motor device 11 drives the valve rod 12 to rotate, the valve rod 12 is fixedly connected with the valve core 6, thereby driving the valve core 6 to rotate, so that the device plays the purpose of cutting off and circulating gas medium, when the valve core 6 is in non-working state, the elastic force of the first spring 15 and the second spring 16 can drive the first sealing ring 7 and the second sealing ring 5 to press towards the valve core 6, the elastic sealing element 4 is compressed to be attached to the periphery of the valve core 6, thereby ensuring that no gap is left between the valve core 6 and the first sealing ring 7 and the second sealing ring 5, preventing gas overflow, when the valve core 6 is in working state, the first spring 15 and the second spring 16 can be compressed, the first sealing ring 7 and the second sealing ring 5 can be far away from the top and the bottom, without interfering with the normal opening of the valve cartridge 6.

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. An electric flange butterfly valve, includes coupling assembling (1), its characterized in that: the connecting assembly is characterized in that a valve body (2) is fixedly connected to the bottom of the connecting assembly (1), a connecting hole (3) is formed in the valve body (2), a first spring (15) is fixedly connected to the inner wall of the top of the valve body (2), a first sealing ring (7) is fixedly connected to the tail end of the bottom of the first spring (15), a second spring (16) is fixedly connected to the inner wall of the bottom of the valve body (2), a second sealing ring (5) is fixedly connected to the tail end of the top of the second spring (16), an elastic sealing element (4) is arranged between the first sealing ring (7) and the second sealing ring (5), sliding blocks (13) are fixedly connected to the outer walls of the two sides of the first sealing ring (7) and the second sealing ring (5), sliding rails (14) are formed in the positions, which correspond to the sliding blocks (13), of the outer walls of the two sides of the valve body (2), and the sliding blocks (14) are slidably, coupling assembling (1) top fixedly connected with mount pad (9), be provided with set screw (8) between mount pad (9) and coupling assembling (1), mount pad (9) top fixed mounting has motor device (11), mount pad (9) top surface just is located motor device (11) outside fixedly connected with protective housing (10), the terminal fixedly connected with valve rod (12) in output shaft bottom of motor device (11), valve rod (12) the fixed cover in the central axis outside has connect case (6).

2. An electric flange butterfly valve according to claim 1, wherein: the number of the connecting holes (3) is eight, and the included angle between every two adjacent groups of connecting holes (3) is 45 degrees.

3. An electric flange butterfly valve according to claim 1, wherein: the size of the first sealing ring (7) is equal to that of the second sealing ring (5), and the first sealing ring (7) and the second sealing ring (5) are symmetrical about the central axis of the valve body (2).

4. An electric flange butterfly valve according to claim 1, wherein: the number of the elastic sealing elements (4) is two, and the two groups of elastic sealing elements (4) are symmetrical about the central axis of the valve body (2).

5. An electric flange butterfly valve according to claim 1, wherein: and a through hole is formed in the position, corresponding to the valve rod (12), of the central axis in the mounting seat (9).

6. An electric flange butterfly valve according to claim 1, wherein: the circle center of the valve core (6) and the circle center of the valve body (2) are positioned on the same straight line.