CN212986067U

CN212986067U - Telescopic flange butterfly valve

Info

Publication number: CN212986067U
Application number: CN202021587650.8U
Authority: CN
Inventors: 黄立杰
Original assignee: Tianjin Liangtai Valve Co ltd
Current assignee: Tianjin Liangtai Valve Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-16
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a flexible flange butterfly valve, which comprises a body, the first flange of left side wall fixedly connected with of body, the surface fixed connection of body go-between, the right side wall fixedly connected with second flange of body, a plurality of flange holes have all been seted up on the surface of first flange and second flange, threaded hole has been seted up on the surface of go-between, the go-between passes through threaded rod threaded connection in the second flange, the interior top of body is provided with the pivot, go up the first circular cone of one end fixedly connected with of body round pin is kept away from in the pivot, the surface fixed connection of first circular cone round pin has the valve plate, the bottom fixedly connected with second circular cone round pin of valve plate, the lower fixed surface of second circular cone round pin is connected with down the pivot, the bottom of pivot and the internal surface fixed connection of body down. The utility model discloses, novel in design reasonable, unique, the light in weight of structure, convenient operation open and close rapidly.

Description

Telescopic flange butterfly valve

Technical Field

The utility model relates to a flexible butterfly valve field especially relates to a flexible flange butterfly valve.

Background

The telescopic flange butterfly valve combines the functions of a telescopic device and a flange butterfly valve together, is used as a component for realizing the on-off and flow control of a pipeline system, and is widely applied to various fields of petroleum, chemical industry, metallurgy, water and electricity and the like.

The telescopic flange butterfly valve is novel and reasonable in design, unique in structure, light in weight, convenient to operate, capable of achieving the effects of adjusting flow and carrying current, capable of compensating the expansion and contraction functions caused by the temperature difference of a pipeline, convenient to install and disassemble and capable of serving as a valve multipurpose product.

SUMMERY OF THE UTILITY MODEL

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

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a flexible flange butterfly valve, includes the body, the first flange of left side wall fixedly connected with of body, the outer fixed surface of body is connected with the go-between, the right side wall fixedly connected with second flange of body, a plurality of flange holes have all been seted up on the surface of first flange and second flange, threaded hole has been seted up on the surface of go-between, the go-between passes through threaded rod threaded connection in the second flange, the interior top of body is provided with the pivot, go up the first circular cone round pin of one end fixedly connected with of body is kept away from in the pivot, the outer fixed surface of first circular cone round pin is connected with the valve plate, the bottom fixedly connected with second circular cone round pin of valve plate, the lower fixed surface of second circular cone round pin is connected with down the pivot, the bottom of pivot and the internal surface fixed connection.

As a further description of the above technical solution:

the last fixed surface of body is connected with the connecting rod, the top fixedly connected with of connecting rod rotates the case, the lateral wall that rotates the case rotates and is connected with the dwang, the one end fixedly connected with carousel that rotates the case is kept away from to the dwang.

As a further description of the above technical solution:

the threaded holes are multiple, and the number and the positions of the threaded holes correspond to those of the flange holes.

As a further description of the above technical solution:

the threaded rod is provided with a plurality of threaded rods, and the outer surface of each threaded rod is in threaded connection with a nut which is positioned on the left side of the connecting ring.

As a further description of the above technical solution:

the inside fixedly connected with valve body sealing washer of body, the inside of valve body sealing washer is provided with the filler, the side fixedly connected with valve body steel ring of valve plate, and the valve body steel ring sets up for the slope.

As a further description of the above technical solution:

the upper rotating shaft and the lower rotating shaft are positioned on the same central line.

The utility model discloses following beneficial effect has:

1. compared with the prior art, the telescopic flange butterfly valve has the advantages that the pipeline is in threaded connection with the first flange and the second flange which are positioned on the left side and the right side of the body through the threaded rods, the upper rotating shaft is rotated through rotation of the rotating disc, the upper rotating shaft is connected through the first taper pin, the valve plate is rotated, the valve body steel ring and the valve body sealing ring which are positioned on the side edge of the valve plate are in tight fit, the valve body sealing ring and the valve body steel ring generate certain deformation along two directions of a pipeline and a vertical pipeline to compensate the sealing pressure ratio between the valve body sealing ring and the valve body steel ring, the sealing effect is achieved, the service life of the valve body is prolonged, the valve body can conveniently play a role in starting and stopping fluid in the pipeline, the inner cavity formed by the connecting ring and the second flange can axially stretch to adjust the position, the stretching effect is achieved, and the telescopic, Unique structure, light weight, convenient operation and rapid opening and closing.

2. Compared with the prior art, the telescopic flange butterfly valve can play the roles of adjusting flow and carrying current, can compensate the expansion and contraction functions caused by the temperature difference of the pipeline, is convenient to mount and dismount, and is a multi-purpose product.

Drawings

Fig. 1 is an elevation view of an internal structure of a butterfly valve with a telescopic flange according to the present invention;

fig. 2 is a side view of the overall structure of a butterfly valve with a telescopic flange according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

Illustration of the drawings:

1. a body; 2. a first flange; 3. a connecting ring; 4. a second flange; 5. a flange hole; 6. a threaded hole; 7. a threaded rod; 8. a nut; 9. a connecting rod; 10. an upper rotating shaft; 11. a valve plate; 12. a lower rotating shaft; 13. a valve body sealing ring; 14. a valve body steel ring; 15. a filler; 16. a turntable; 17. a rotating box; 18. Rotating the rod; 19. a first taper pin; 20. a second conical pin.

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 utility model provides a pair of telescopic flange butterfly valve: comprises a body 1, a first flange 2 is fixedly connected with the left side wall of the body 1 and connected with a pipeline, so that the butterfly valve can play a role of controlling the pipeline to be opened and closed, the butterfly valve can work better, a connecting ring 3 is fixedly connected with the outer surface of the body 1 and forms a telescopic structure with a second flange 4, and the telescopic structure can be adjusted in the axial direction, so that the telescopic butterfly valve can work better, the right side wall of the body 1 is fixedly connected with the second flange 4, a plurality of flange holes 5 are respectively arranged on the surfaces of the first flange 2 and the second flange 4, a threaded hole 6 is arranged on the surface of the connecting ring 3, the flange holes 5 are in threaded connection with the threaded hole 6 through a threaded rod 7, so that the distance between the connecting ring 3 and the second flange 4 can be adjusted, the connecting ring 3 is in threaded connection with the second flange 4 through the threaded rod 7, an upper rotating shaft 10 is arranged at the inner top of the body 1, one, the outer fixed surface of first taper pin 19 is connected with valve plate 11 for rotate carousel 16 alright rotate with taking valve plate 11, and the bottom fixedly connected with second taper pin 20 of valve plate 11, pivot 12 under the lower fixed surface of second taper pin 20, the interior fixed surface of the bottom of pivot 12 and body 1 is connected down, and the existence of pivot 12 down makes valve plate 11 rotate more convenient.

The upper surface of the body 1 is fixedly connected with a connecting rod 9, the top of the connecting rod 9 is fixedly connected with a rotating box 17, so that the rotating turntable 16 can rotate an upper rotating shaft 10, the side wall of the rotating box 17 is rotatably connected with a rotating rod 18, the rotating disk 16 and the rotating box 17 are connected, one end of the rotating rod 18, far away from the rotating box 17, is fixedly connected with the turntable 16, a plurality of threaded holes 6 are arranged, the number and the positions of the threaded holes 6 correspond to the number and the positions of the flange holes 5, a plurality of threaded rods 7 are arranged, the outer surface of each threaded rod 7 is in threaded connection with a nut 8, the plurality of threaded rods 7 can better connect the connecting ring 3 with the second flange 4, the nuts 8 are positioned on the left side of the connecting ring 3, the inside of the body 1 is fixedly connected with a valve body sealing ring 13, a filler 15 is arranged, and valve body steel ring 14 is the slope setting, increases the leakproofness of valve body for valve body sealing washer 13 and valve body steel ring 14 produce certain deformation along pipeline and two directions of perpendicular pipeline and compensate the sealing pressure ratio between valve body sealing washer 13 and the valve body steel ring 14, thereby reach sealed effect, go up pivot 10 and lower pivot 12 and be located same central line, be convenient for the rotation of valve plate 11.

The working principle is as follows: carry out threaded connection through threaded rod 7 with the pipeline and the first flange 2 and the second flange 4 that are located the body 1 left and right sides, rotation through rotating carousel 16 makes last pivot 10 rotate, it connects through first taper pin 19 to go up pivot 10, thereby make valve plate 11 rotate, make valve body steel ring 14 and the valve body sealing washer 13 that is located the valve plate side closely cooperate, let valve body sealing washer 13 and valve body steel ring 14 produce certain deformation along two directions of pipeline and vertical line and compensate the sealing pressure ratio between valve body sealing washer 13 and the valve body steel ring 14, thereby reach sealed effect, the effect of extension valve body life, it stops the effect to be convenient for the valve body to play the effect of opening to play the interior fluid of pipeline, the inner chamber that go-between 3 and second flange 4 are constituteed can the axial is flexible to come the adjusting position, reach flexible effect.

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 a telescopic flange butterfly valve, includes body (1), its characterized in that: the improved valve plate is characterized in that a first flange (2) is fixedly connected to the left side wall of the body (1), a connecting ring (3) is fixedly connected to the outer surface of the body (1), a second flange (4) is fixedly connected to the right side wall of the body (1), a plurality of flange holes (5) are formed in the surfaces of the first flange (2) and the second flange (4), a threaded hole (6) is formed in the surface of the connecting ring (3), the connecting ring (3) is in threaded connection with the second flange (4) through a threaded rod (7), an upper rotating shaft (10) is arranged at the inner top of the body (1), a first conical pin (19) is fixedly connected to one end, far away from the body (1), of the upper rotating shaft (10), a valve plate (11) is fixedly connected to the outer surface of the first conical pin (19), a second conical pin (20) is fixedly connected to the bottom of the valve plate (11), and a lower rotating shaft (12) is fixedly connected to the, the bottom of the lower rotating shaft (12) is fixedly connected with the inner surface of the body (1).

2. A telescoping flange butterfly valve according to claim 1, wherein: the last fixed surface of body (1) is connected with connecting rod (9), the top fixedly connected with of connecting rod (9) rotates case (17), the lateral wall that rotates case (17) rotates and is connected with dwang (18), the one end fixedly connected with carousel (16) that rotates case (17) is kept away from in dwang (18).

3. A telescoping flange butterfly valve according to claim 1, wherein: the number of the threaded holes (6) is multiple, and the number and the positions of the threaded holes (6) correspond to those of the flange holes (5).

4. A telescoping flange butterfly valve according to claim 1, wherein: the threaded rod (7) is provided with a plurality of threaded rods, the outer surface of each threaded rod (7) is in threaded connection with a nut (8), and the nuts (8) are located on the left side of the connecting ring (3).

5. A telescoping flange butterfly valve according to claim 1, wherein: the inside fixedly connected with valve body sealing washer (13) of body (1), the inside of valve body sealing washer (13) is provided with filler (15), the side fixedly connected with valve body steel ring (14) of valve plate (11), and valve body steel ring (14) are the slope setting.

6. A telescoping flange butterfly valve according to claim 1, wherein: the upper rotating shaft (10) and the lower rotating shaft (12) are positioned on the same central line.