CN212509557U

CN212509557U - Inner valve plate structure of sealing telescopic valve

Info

Publication number: CN212509557U
Application number: CN202020940207.8U
Authority: CN
Inventors: 刘涛; 万林应; 王二虎; 陈洋洋
Original assignee: Tongling Qiujing Machinery Co ltd
Current assignee: Tongling Qiujing Machinery Co ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-02-09
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a sealed telescopic valve inner valve plate structure, including valve body, telescopic joint cylinder, telescopic joint sleeve pipe, telescopic joint, left valve plate, right valve plate, sealed limiting plate, first cylinder, second cylinder, be provided with telescopic joint sleeve pipe in the valve body, and be provided with left valve plate and right valve plate in the telescopic joint sleeve pipe, left valve plate and right valve plate structure are the same, and left valve plate and right valve plate are along the vertical plumb line level setting of valve body, the cover is equipped with the loose axle respectively on left valve plate and the right valve plate, and rotate with the valve body through the loose axle and be connected, the inside of both sides is provided with first cylinder and second cylinder respectively around the valve body, the output of first cylinder is connected with right valve plate, the output of second cylinder is connected with left valve plate, be provided with sealed limiting plate in the valve body, sealed limiting plate is the toper structure; the utility model has the advantages of when opening and shutting the expansion valve, have automatic opening and shutting, and the speed of opening and shutting is fast, and sealing performance is good, and the suitability is strong.

Description

Inner valve plate structure of sealing telescopic valve

Technical Field

The utility model belongs to the technical field of the telescopic valve, a interior valve plate structure is related to, specifically is a sealed telescopic valve interior valve plate structure.

Background

At present, the expansion valve 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. In the known valve technology, the sealing form is mostly a sealing structure, and the sealing material is rubber, polytetrafluoroethylene, or the like. Due to the limitation of structural characteristics, the high-temperature-resistant, high-pressure-resistant, corrosion-resistant and abrasion-resistant industries are not suitable.

The comparison document CN201510611265.X discloses a telescopic valve for installing a multi-medium valve seat, which comprises a valve body, a valve rod, a disc plate, a multi-medium valve seat and a retainer ring, wherein a transverse flow passage is formed in the valve body, the middle part of the flow passage in the valve body is vertically provided with the valve rod, the lower part of the valve rod in the valve body is provided with the disc plate, an annular installation groove is formed in the valve body at one side of the disc plate in the valve body, the multi-medium valve seat formed by stamping is coaxially embedded in the installation groove, and the retainer ring is coaxially and fixedly arranged at the outer side of the multi-medium valve seat; however, there is a problem that the use efficiency is relatively low compared to the present application;

in the prior art, the butterfly valve has large opening and closing torque and is difficult to open and close. In addition, because of the limitation of production space, the longer valve handle can not be normally used, therefore, the existing valve handle has the defects of laborious opening and closing, slow opening and closing speed, inconvenient use and the like; the method is not suitable for being used in pipelines with various distances, and has the problems of complex construction process and inconvenience for field adjustment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the prior art, the moment is big for the butterfly valve is opened and close, and the switch is hard. In addition, because of the limitation of production space, the longer valve handle can not be normally used, therefore, the existing valve handle has the defects of laborious opening and closing, slow opening and closing speed, inconvenient use and the like; the valve plate structure is not suitable for being used in pipelines with various distances, has a complex construction process, and is inconvenient for field adjustment, and the inner valve plate structure of the sealing telescopic valve is provided.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a sealed telescopic valve inner valve plate structure, which comprises a valve body, the telescopic joint cylinder, the telescopic joint sleeve pipe, the telescopic joint, left valve plate, right valve plate, sealed limiting plate, first cylinder, the second cylinder, be provided with the telescopic joint sleeve pipe in the valve body, and telescopic joint cover intraductal left valve plate and the right valve plate of being provided with, left valve plate and right valve plate structure are the same, and left valve plate and right valve plate are along the vertical perpendicular bisector level setting of valve body, the cover is equipped with the loose axle on left valve plate and the right valve plate respectively, and rotate with the valve body through the loose axle and be connected, the inside of both sides is provided with first cylinder and second cylinder respectively around the valve body, the output and the right valve plate of first cylinder are connected, the output and the left valve.

Preferably, a sealing limit plate is arranged in the valve body, the sealing limit plate is of a conical structure, and the size of an opening above the sealing limit plate is larger than that of an opening below the sealing limit plate.

Preferably, the sealing strip is arranged on the top surface of the bottom surface of the sealing limit plate, the cross section of the sealing strip is of a triangular structure, and the sealing gaskets are respectively arranged on the bottom surface of the sealing limit plate and the bottom surface of the sealing strip.

Preferably, left valve plate and right valve plate are located the bottom surface of sealed limiting plate to be located the both sides of sealing strip, the opening of sealed limiting plate upper and lower side is square structure, left valve plate and right valve plate be with the square structure of the opening looks adaptation of sealed limiting plate below.

Preferably, the bottom of the telescopic joint sleeve is sleeved with a telescopic joint, the telescopic joint is connected with the valve body through a telescopic joint cylinder, and the telescopic joint cylinder is symmetrically arranged along the vertical midperpendicular of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: this interior valve plate in telescopic valve's the valve body comprises left valve plate and right valve plate, then, drive right valve plate along the valve body internal rotation through first cylinder, drive left valve plate along the valve body internal rotation with the second cylinder, thereby make and open and shut through first cylinder and second cylinder alright control left valve plate and right valve plate, when making open and shut telescopic valve, have automatic opening and shutting, and the fast advantage of the speed that opens and shuts, solved among the prior art, the butterfly valve is opened and shut moment big, the switch is hard. In addition, the long valve handle cannot be used normally due to the limitation of the production space. Therefore, the existing valve handle has the defects of laborious opening and closing, slow opening and closing speed, inconvenient use and the like;

the sealing limiting plate arranged on the telescopic valve is matched with the left valve plate and the right valve plate, so that the telescopic valve has good sealing performance;

the length of the telescopic joint is adjusted through the telescopic joint air cylinder, and the telescopic joint air cylinders symmetrically arranged on two sides guarantee the operation stability of the telescopic joint. The length of the valve body is adjusted by stretching the telescopic joint, so that the valve body can be directly used in pipelines with various distances, the construction process is simple, and the on-site adjustment is convenient.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the present invention.

In the figure: 1. a valve body; 2. a telescopic joint cylinder; 3. a telescopic joint sleeve; 4. an expansion joint; 5. a left valve plate; 6. A right valve plate; 7. sealing the limiting plate; 8. a first cylinder; 9. a second cylinder.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, an inner valve plate structure of a sealed expansion valve comprises a valve body 1, an expansion joint cylinder 2, an expansion joint sleeve 3, an expansion joint 4, a left valve plate 5, a right valve plate 6, a sealing limit plate 7, a first cylinder 8 and a second cylinder 9, wherein the expansion joint sleeve 3 is arranged in the valve body 1, the expansion joint sleeve 3 is internally provided with the left valve plate 5 and the right valve plate 6, the left valve plate 5 and the right valve plate 6 have the same structure, the left valve plate 5 and the right valve plate 6 are horizontally arranged along a longitudinal perpendicular bisector of the valve body 1, movable shafts are respectively sleeved on the left valve plate 5 and the right valve plate 6 and are rotatably connected with the valve body 1 through the movable shafts, the first cylinder 8 and the second cylinder 9 are respectively arranged inside the front side and the rear side of the valve body 1, the output end of the first cylinder 8 is connected with the right valve plate 6, the output end of the second cylinder 9 is connected with the left valve plate 5, the inner valve plate in the valve body 1 of the expansion valve is composed, then, drive right valve plate 6 along the 1 internal rotation of valve body through first cylinder 8, and second cylinder 9 drives left valve plate 5 along the 1 internal rotation of valve body, thereby make and open and shut through first cylinder 8 and second cylinder 9 alright control left valve plate 5 and right valve plate 6, when making to open and shut the telescopic valve, have automatic the switching, and the fast advantage of the speed that opens and shuts, solved prior art, the butterfly valve is opened and close moment is big, and the switch is hard. In addition, the long valve handle cannot be used normally due to the limitation of the production space. Therefore, the existing valve handle has the defects of laborious opening and closing, slow opening and closing speed, inconvenient use and the like.

A sealing limit plate 7 is arranged in the valve body 1, the sealing limit plate 7 is of a conical structure, and the size of an opening above the sealing limit plate 7 is larger than that of an opening below the sealing limit plate 7.

The sealing strip is arranged on the top surface of the bottom surface of the sealing limiting plate 7, the cross section of the sealing strip is of a triangular structure, and the bottom surfaces of the sealing limiting plate 7 and the sealing strip are respectively provided with a sealing gasket.

Left valve plate 5 and right valve plate 6 are located the bottom surface of sealed limiting plate 7 to be located the both sides of sealing strip, the opening of sealed limiting plate 7 upper and lower side is square structure, and left valve plate 5 and right valve plate 6 are the square structure with the opening looks adaptation of sealed limiting plate 7 below, the sealed limiting plate 7 that this telescopic valve set up and the cooperation between left valve plate 5 and the right valve plate 6, make the telescopic valve have fine sealing performance.

The bottom cover of telescopic joint sleeve pipe 3 is equipped with telescopic joint 4, and telescopic joint 4 passes through telescopic joint cylinder 2 and is connected with valve body 1, and telescopic joint cylinder 2 sets up along the vertical perpendicular bisector symmetry of valve body 1, rotates the length that telescopic joint cylinder 2 adjusted the telescopic joint to the telescopic joint cylinder 2 that bilateral symmetry set up guarantees telescopic joint 4's installation stability, and through the length of tensile telescopic joint 4 regulation valve body 1, can directly use in the pipeline of multiple distance, and construction process is simple, the on-the-spot adjustment of being convenient for.

The utility model discloses a theory of operation: this internal valve plate in valve body 1 of telescopic valve comprises left valve plate 5 and right valve plate 6, then, drive right valve plate 6 along 1 internal rotation of valve body through first cylinder 8, drive left valve plate 5 along 1 internal rotation of valve body with second cylinder 9, thereby make and open and shut through first cylinder 8 and second cylinder 9 alright control left valve plate 5 and right valve plate 6, when making open and shut the telescopic valve, automatic opening and shutting has, and the fast advantage of opening and shutting, solved prior art, the butterfly valve is opened and shut moment and is big, the switch is hard. In addition, the long valve handle cannot be used normally due to the limitation of the production space. Therefore, the existing valve handle has the defects of laborious opening and closing, slow opening and closing speed, inconvenient use and the like;

the sealing limit plate 7 arranged on the telescopic valve is matched with the left valve plate 5 and the right valve plate 6, so that the telescopic valve has good sealing performance;

the length of the telescopic joint is adjusted through the telescopic joint cylinder 2, the telescopic joint cylinders 2 symmetrically arranged on two sides guarantee the operation stability of the telescopic joint 4, the length of the valve body 1 is adjusted through the stretching of the telescopic joint 4, the telescopic joint can be directly used in pipelines with various distances, the construction process is simple, and field adjustment is facilitated.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a valve plate structure in sealed telescopic valve which characterized in that: comprises a valve body (1), a telescopic joint cylinder (2), a telescopic joint sleeve (3), a telescopic joint (4), a left valve plate (5), a right valve plate (6), a sealing limit plate (7), a first cylinder (8) and a second cylinder (9), wherein the telescopic joint sleeve (3) is arranged in the valve body (1), the telescopic joint sleeve (3) is internally provided with the left valve plate (5) and the right valve plate (6), the left valve plate (5) and the right valve plate (6) have the same structure, the left valve plate (5) and the right valve plate (6) are horizontally arranged along a longitudinal perpendicular bisector of the valve body (1), movable shafts are respectively sleeved on the left valve plate (5) and the right valve plate (6) and are rotatably connected with the valve body (1) through the movable shafts, the first cylinder (8) and the second cylinder (9) are respectively arranged in the front side and the back side of the valve body (1), the output end of the first cylinder (8) is connected with the right valve plate (6), the output end of the second cylinder (9) is connected with the left valve plate (5).

2. The inner valve plate structure of the sealed telescopic valve according to claim 1, characterized in that a sealing limit plate (7) is arranged in the valve body (1), the sealing limit plate (7) is of a conical structure, and the size of an opening above the sealing limit plate (7) is larger than that of an opening below the sealing limit plate (7).

3. The inner valve plate structure of the sealed telescopic valve according to claim 1, wherein the top surface of the bottom surface of the sealed limit plate (7) is provided with a sealing strip, the cross section of the sealing strip is of a triangular structure, and the bottom surface of the sealed limit plate (7) and the bottom surface of the sealing strip are respectively provided with a sealing gasket.

4. The inner valve plate structure of the sealing telescopic valve is characterized in that the left valve plate (5) and the right valve plate (6) are positioned on the bottom surface of the sealing limiting plate (7) and positioned on two sides of the sealing strip, the opening above and below the sealing limiting plate (7) is of a square structure, and the left valve plate (5) and the right valve plate (6) are of a square structure matched with the opening below the sealing limiting plate (7).

5. The inner valve plate structure of the sealed telescopic valve according to claim 1, characterized in that a telescopic joint (4) is sleeved at the bottom of a telescopic joint sleeve (3), the telescopic joint (4) is connected with the valve body (1) through a telescopic joint cylinder (2), and the telescopic joint cylinders (2) are symmetrically arranged along a vertical midperpendicular of the valve body (1).