CN220749187U

CN220749187U - Silt-proof butterfly valve

Info

Publication number: CN220749187U
Application number: CN202322486597.2U
Authority: CN
Inventors: 唐先明; 张斌; 黄兴垚
Original assignee: Chengdu Singoly Cryogenic Technology Co ltd
Current assignee: Chengdu Singoly Cryogenic Technology Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-09
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a silt-proof butterfly valve, which comprises a butterfly valve shell, wherein a butterfly valve device is fixedly arranged at the top of the butterfly valve shell, and the bottom of the butterfly valve device extends into the butterfly valve shell. The utility model discloses a during flowing liquid in the butterfly valve shell, impurity filtration in the filter screen will be liquid, when the surface accumulation of filter screen reaches the impurity of certain degree, need take out the filter screen clearance, rotatory screw rod, the screw rod removes to the left side, the screw rod withdraws from the inside of mounting panel and installation piece, the mounting panel loses fixedly, the mounting panel moves down, the mounting panel drives framework and filter screen downwardly moving, the filter screen withdraws from the inside of butterfly valve shell and installation piece, the filter screen is taken out, then can be cleared up, the advantage of being convenient for clear up has been possessed, filter equipment is located the inside of butterfly valve shell, there is filter equipment's outlet on the surface of butterfly valve shell, when clearing up filter equipment, with filter equipment take out from the outlet inside can, filter equipment cleaning efficiency has been improved.

Description

Silt-proof butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a silt-proof butterfly valve.

Background

In the gas and liquid conveying process, a butterfly valve is needed, and patent publication number is 202021918059.6, a silt-proof butterfly valve is disclosed, and the butterfly valve comprises a butterfly valve housing, equal fixed mounting of left end and right-hand member of butterfly valve housing has a ring flange, surface middle part upside fixed mounting of butterfly valve housing has a U-shaped frame, the inner chamber middle part of butterfly valve housing is provided with butterfly valve device, the inner chamber right part of butterfly valve housing is provided with extrusion device, the inner chamber right part fixed mounting of butterfly valve housing has the fixed plate, spacing hole has been seted up at the right-hand member middle part of fixed plate, the inner chamber right part of butterfly valve housing is provided with filter equipment. According to the silt-preventing butterfly valve, the flexible filter screen is arranged to play a role in filtering and isolating, so that silt is prevented from entering the left side of the flexible filter screen, normal transportation of liquid is guaranteed, the extrusion rod extrudes the middle part of the flexible filter screen, and the flexible filter screen is flexible, so that the flexible filter screen deforms at the moment, and silt particles on the surface of the flexible filter screen fall off, so that blockage of meshes of the flexible filter screen is prevented.

The prior art solutions described above have the following drawbacks: the filter equipment is located the inside of butterfly valve shell, and the surface of butterfly valve shell does not have filter equipment's outlet, and when cleaning filter equipment, can only separate butterfly valve shell and the pipe box of being connected, the time consumption of cleaning filter equipment is long once, has reduced filter equipment's cleaning efficiency.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the silt-preventing butterfly valve, which has the advantage of convenient cleaning, and solves the problems that a filter device is positioned in a butterfly valve shell, the surface of the butterfly valve shell is not provided with an outlet of the filter device, and when the filter device is cleaned, the butterfly valve shell can only be separated from a connected pipe sleeve, so that the time for cleaning the filter device once is long, and the cleaning efficiency of the filter device is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent silt type butterfly valve, includes the butterfly valve shell, the top fixed mounting of butterfly valve shell has the butterfly valve device, the bottom of butterfly valve device extends to the inside of butterfly valve shell, the right side fixedly connected with installation piece of butterfly valve shell bottom, the inside of installation piece is provided with the mounting panel, the top fixedly connected with framework of mounting panel, the top of framework extends to the inside of butterfly valve shell, the inside fixedly connected with filter screen of framework, the inside threaded connection of mounting panel has the screw rod, the left side of screw rod extends to the left side of installation piece, the fixed surface of framework is connected with the sealing strip, the quantity of sealing strip is three, and three sealing strip is the equidistance and distributes, the bottom fixedly connected with sealing washer on framework surface, the surface of sealing washer contacts with the inner wall of butterfly valve shell.

Preferably, a supporting grille is arranged on the right side of the filter screen, and the surface of the supporting grille is fixedly connected with the inner wall of the frame body.

Preferably, the top of the mounting plate is fixedly connected with a positioning block, and the positioning block is positioned in the mounting block.

As preferable in the utility model, the top of the positioning block is fixedly connected with an auxiliary sealing gasket, and the surface of the auxiliary sealing gasket is contacted with the inner wall of the mounting block.

Preferably, a guide block is fixedly connected to the right side of the screw rod, and the guide block is positioned in the installation block.

As preferable in the utility model, a button ring is fixedly connected to the left side of the screw rod, and the button ring is positioned on the left side of the mounting block.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, when liquid flows in the butterfly valve shell, impurities in the liquid are filtered by the filter screen, when the surface of the filter screen accumulates to a certain degree of impurities, the filter screen is required to be taken out for cleaning, the screw rod is rotated, the screw rod moves leftwards, the screw rod exits the interiors of the mounting plate and the mounting block, the mounting plate loses fixation, the mounting plate moves downwards, the mounting plate drives the frame body and the filter screen to move downwards, the filter screen exits the interiors of the butterfly valve shell and the mounting block, the filter screen is taken out and then can be cleaned, the butterfly valve shell has the advantage of being convenient for cleaning, the filter device is positioned in the butterfly valve shell, the surface of the butterfly valve shell is provided with the outlet of the filter device, and when the filter device is cleaned, the filter device is taken out from the inside of the outlet, so that the cleaning efficiency of the filter device is improved.

2. According to the utility model, the filter screen can be supported by arranging the support grids, so that the phenomenon of collapse in the use process of the filter screen is avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front partial cross-sectional view of a butterfly valve housing of the utility model;

FIG. 3 is an enlarged block diagram of the portion A of FIG. 2 according to the present utility model;

fig. 4 is an enlarged structural view of the present utility model at B in fig. 2.

In the figure: 1. a butterfly valve housing; 2. butterfly valve device; 3. a mounting block; 4. a mounting plate; 5. a frame; 6. a filter screen; 7. a screw; 8. a sealing strip; 9. a seal ring; 10. a support grid; 11. positioning a square frame; 12. an auxiliary sealing gasket; 13. a guide block; 14. a button ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 4, the silt preventing butterfly valve provided by the utility model comprises a butterfly valve housing 1, wherein a butterfly valve device 2 is fixedly arranged at the top of the butterfly valve housing 1, the bottom of the butterfly valve device 2 extends to the inside of the butterfly valve housing 1, a mounting block 3 is fixedly connected to the right side of the bottom of the butterfly valve housing 1, a mounting plate 4 is arranged in the mounting block 3, a frame 5 is fixedly connected to the top of the mounting plate 4, the top of the frame 5 extends to the inside of the butterfly valve housing 1, a filter screen 6 is fixedly connected to the inside of the frame 5, a screw 7 is connected to the internal threads of the mounting plate 4, the left side of the screw 7 extends to the left side of the mounting block 3, sealing strips 8 are fixedly connected to the surface of the frame 5, the number of the sealing strips 8 is three, the three sealing strips 8 are distributed at equal intervals, a sealing ring 9 is fixedly connected to the bottom of the surface of the frame 5, and the surface of the sealing ring 9 contacts with the inner wall of the butterfly valve housing 1.

Referring to fig. 3, a support grid 10 is provided on the right side of the filter screen 6, and the surface of the support grid 10 is fixedly connected to the inner wall of the frame 5.

As a technical optimization scheme of the utility model, the filter screen 6 can be supported by arranging the support grid 10, so that the phenomenon of collapse in the using process of the filter screen 6 is avoided.

Referring to fig. 4, a positioning block 11 is fixedly connected to the top of the mounting plate 4, and the positioning block 11 is located inside the mounting block 3.

As a technical optimization scheme of the utility model, the joint between the mounting plate 4 and the mounting block 3 can be reinforced by arranging the positioning block 11, so that the coordination stability between the mounting plate 4 and the mounting block 3 is improved.

Referring to fig. 4, an auxiliary gasket 12 is fixedly connected to the top of the positioning block 11, and the surface of the auxiliary gasket 12 is in contact with the inner wall of the mounting block 3.

As a technical optimization scheme of the utility model, the auxiliary sealing gasket 12 is arranged, so that the gap between the mounting plate 4 and the mounting block 3 can be sealed in an auxiliary way, and the leakage-proof effect of the butterfly valve shell 1 is improved.

Referring to fig. 4, a guide block 13 is fixedly connected to the right side of the screw 7, and the guide block 13 is located inside the mounting block 3.

As a technical optimization scheme of the utility model, the screw rod 7 can be guided by arranging the guide block 13, so that the screw rod 7 is prevented from being difficult to insert into the mounting block 3.

Referring to fig. 2, a button ring 14 is fixedly connected to the left side of the screw 7, and the button ring 14 is positioned on the left side of the mounting block 3.

As a technical optimization scheme of the utility model, the button ring 14 is arranged, so that a user can conveniently rotate the screw rod 7, and the phenomenon that the screw rod 7 is difficult to rotate is avoided.

The working principle and the using flow of the utility model are as follows: during the use, when the liquid flows in butterfly valve shell 1, filter screen 6 filters the impurity in the liquid, when the surface accumulation of filter screen 6 reaches the impurity of certain degree, need take out the clearance with filter screen 6, rotatory screw rod 7, screw rod 7 moves to the left side, inside that screw rod 7 withdrawed from mounting panel 4 and installation piece 3, mounting panel 4 loses fixedly, downwardly moving mounting panel 4, mounting panel 4 drives framework 5 and filter screen 6 downwardly moving, inside that filter screen 6 withdrawed from butterfly valve shell 1 and installation piece 3, filter screen 6 is taken out, then can be cleared up, thereby the effect of being convenient for the clearance has been possessed.

To sum up: this prevent silt formula butterfly valve, through butterfly valve shell 1, butterfly valve device 2, installation piece 3, mounting panel 4, framework 5, filter screen 6, screw rod 7, sealing strip 8 and sealing washer 9's cooperation is used, has solved filter equipment and is located the inside of butterfly valve shell, and the surface of butterfly valve shell does not have filter equipment's outlet, and when cleaning filter equipment, can only separate butterfly valve shell and the pipe box of being connected, and the time consumption of cleaning once filter equipment is long, has reduced filter equipment cleaning efficiency's problem.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent silt formula butterfly valve, includes butterfly valve shell (1), its characterized in that: the butterfly valve is characterized in that the butterfly valve device (2) is fixedly arranged at the top of the butterfly valve shell (1), the bottom of the butterfly valve device (2) extends to the inside of the butterfly valve shell (1), the right side fixedly connected with mounting block (3) at the bottom of the butterfly valve shell (1), the mounting block (3) is internally provided with a mounting plate (4), the top of the mounting plate (4) is fixedly connected with a frame (5), the top of the frame (5) extends to the inside of the butterfly valve shell (1), a filter screen (6) is fixedly connected with the inside of the frame (5), a screw (7) is connected with the inside thread of the mounting plate (4), the left side of the screw (7) extends to the left side of the mounting block (3), the surface of the frame (5) is fixedly connected with sealing strips (8), the number of the sealing strips (8) is three, the sealing strips (8) are distributed in equal distances, the bottom of the surface of the frame (5) is fixedly connected with a sealing ring (9), and the surface of the sealing ring (9) contacts the inner wall of the butterfly valve shell (1).

2. The silt preventing butterfly valve of claim 1 wherein: the right side of filter screen (6) is provided with support grid (10), the fixed connection in the inner wall of framework (5) of surface of support grid (10).

3. The silt preventing butterfly valve of claim 1 wherein: the top of mounting panel (4) fixedly connected with location square frame (11), location square frame (11) are located inside of installation piece (3).

4. A silt preventing butterfly valve according to claim 3 wherein: the top of the positioning block (11) is fixedly connected with an auxiliary sealing gasket (12), and the surface of the auxiliary sealing gasket (12) is in contact with the inner wall of the mounting block (3).

5. The silt preventing butterfly valve of claim 1 wherein: the right side of the screw rod (7) is fixedly connected with a guide block (13), and the guide block (13) is positioned in the installation block (3).

6. The silt preventing butterfly valve of claim 1 wherein: the left side of screw rod (7) fixedly connected with button ring (14), button ring (14) are located the left side of installation piece (3).