CN210196486U

CN210196486U - Flange type butterfly valve with cleaning and filtering effects

Info

Publication number: CN210196486U
Application number: CN201920890353.1U
Authority: CN
Inventors: Jun Qian; 钱俊
Original assignee: JIANGSU AOKAI AUTOMATION EQUIPMENT TECHNOLOGY Co Ltd
Current assignee: JIANGSU AOKAI AUTOMATION EQUIPMENT TECHNOLOGY Co Ltd
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-03-27
Anticipated expiration: 2029-06-14

Abstract

The utility model discloses a flange butterfly valve with clean filtering effect in the technical field of valves, which comprises a valve body, wherein an outer wall annular array of a rotating shaft positioned in an inner cavity of the valve body is provided with four groups of movable grooves, butterfly plates are clamped in the two groups of movable grooves at the same side at the left and the right, filter layers are clamped in the two groups of movable grooves at the same side at the front and the back, the inner wall at the bottom of a jack is fixedly connected with a compression spring, when in use, the rotating shaft is firstly rotated to ensure that the butterfly plates are consistent with the water flow direction, the filter layers can filter water flowing through the inner cavity of the valve body after being vertical to the water flow direction, and when impurities on the outer wall of a filter screen are accumulated too much, an inserted bar can be pulled up and down, the inserted bar can move up and down to drive a connecting bar and a telescopic bar to move up and down, the impurities, the spring is compressed inwards to adapt to the width of the filter screen, and the filter screen is sufficiently scraped and washed.

Description

Flange type butterfly valve with cleaning and filtering effects

Technical Field

The utility model relates to the technical field of valves, specifically be a flange formula butterfly valve with clean filter effect.

Background

When the pipeline transportation water source, most of do not carry out purification treatment to the water source, therefore impurity in the water source can be attached to on the pipeline inner wall, and long-time the use can make pipeline inner wall adhere to a large amount of impurity and cause the valve of pipeline to block up, influences the use of pipeline, but change and dismantle the valve and clear up again comparatively loaded down with trivial details, for this reason, we provide a flange formula butterfly valve with clean filter effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flange formula butterfly valve with clean filter effect to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a flange type butterfly valve with a cleaning and filtering effect comprises a valve body, wherein flange plates are connected to the left end and the right end of the valve body, connecting blocks are arranged on the top and the bottom outer wall of the valve body, the top of the connecting block is connected with a rotating shaft through a bearing, the top of the rotating shaft extends to the position above the connecting block at the top, the rotating shaft is connected with the connecting block at the top through a bearing, four groups of movable grooves are arranged in an annular array on the outer wall of the rotating shaft, which is positioned in an inner cavity of the valve body, butterfly plates are clamped in two groups of movable grooves on the left side and the right side, filter layers are clamped in two groups of movable grooves on the front side and the rear side, a jack is arranged in the center of the outer wall of the top of the rotating shaft, a compression spring is fixedly connected to the, just the rotation axis outer wall is provided with the fluting with connecting rod matched with, controls homonymy two sets ofly the outer wall of the mutually opposite one side of connecting rod all is provided with the recess, sliding connection has the telescopic link in the recess, controls two sets ofly of homonymy the relative one end fixedly connected with spring of telescopic link, the other end and the recess inner wall fixed connection of spring, the filter layer is located around homonymy two sets ofly between the connecting rod, around homonymy two sets ofly the relative one side outer wall of connecting rod and telescopic link all is provided with the cleaning brush, the filter layer includes the installing frame with the rotation axis connection, the installing frame inner wall is provided with the arc recess, and has the filter screen in the arc recess joint, and the laminating of cleaning brush and filter screen.

Further, seal assembly is including cup jointing the arc rubber strip at the installing frame outer wall, arc rubber strip evenly is provided with the mounting groove with the outer wall of installing frame coupling part, the mounting groove in-connection has reset spring, reset spring's the other end and the laminating of installing frame outer wall.

Furthermore, the connecting part of the rotating shaft and the top connecting block is provided with a connecting ring and a top, the top outer wall of the connecting block and the connecting part of the rotating shaft are provided with annular grooves matched with the connecting ring, rolling balls are evenly arranged on the inner walls of the periphery of the annular grooves, and the opposite ends of the rolling balls are attached to the outer wall of the rotating shaft.

Furthermore, the inner wall all around of the valve body is provided with an annular groove, and a sealing rubber ring matched with the sealing component is clamped in the annular groove.

Furthermore, the left and right sides of the same side are provided with two sets of telescopic rods, one ends of the telescopic rods, which are opposite to each other, are connected with balls through rotating connecting pieces, and arc-shaped grooves matched with the balls are formed in the inner wall of the mounting frame.

Compared with the prior art, the beneficial effects of the utility model are that: when the butterfly valve is used, the rotation shaft is firstly rotated to enable the butterfly plate to be consistent with the water flow direction, the water flow passing through the valve body is the largest at the moment, the filter layer is perpendicular to the water flow direction of the inner cavity of the valve body, when the filter layer is perpendicular to the water flow direction, the reset spring is compressed by the inner wall of the valve body, the elastic force generated by the deformation of the reset spring can tightly support the arc-shaped rubber strip against the inner wall of the valve body, the tightness of the connection between the filter layer and the valve body is improved, impurities are prevented from flowing out through a gap at the connection part of the filter layer and the valve body, the filter layer can filter water flowing through the inner cavity of the valve body after being perpendicular to the water flow direction, the impurities are prevented from being attached to the inner wall of a pipeline to reduce the flow of the pipeline, when the impurities on the outer wall of the filter screen are excessively accumulated, the, and the telescopic link can offset with the installing frame inner wall when reciprocating, compresses the inside side of spring, adapts to the width of filter screen, fully scrapes the washing to the filter screen.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection between the rotary shaft and the butterfly plate of the present invention;

fig. 3 is a schematic view of the connection between the rotating shaft and the insertion rod of the present invention.

In the figure: 1. a valve body; 2. a flange plate; 3. connecting blocks; 4. a rotating shaft; 5. a connecting ring; 6. a butterfly plate; 7. a filter layer; 8. inserting a rod; 9. a seal assembly; 10. a connecting rod; 11. a groove; 12. a spring; 13. a telescopic rod; 14. installing a frame; 15. a filter screen; 16. an arc-shaped rubber strip; 17. mounting grooves; 18. a return spring; 19. a compression spring; 20. and (4) inserting the jack.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a flange type butterfly valve with a clean filtering effect comprises a valve body 1, wherein flange plates 2 are connected at the left end and the right end of the valve body 1, connecting blocks 3 are arranged on the top and the bottom outer walls of the valve body 1, a rotating shaft 4 is connected to the top of the bottom connecting block 3 through a bearing, when the butterfly valve is used, the butterfly plate 6 is enabled to be consistent with the water flow direction by rotating the rotating shaft 4, a filter layer 7 is perpendicular to the water flow direction of an inner cavity of the valve body 1 at the moment to filter water flowing through the inner cavity of the valve body 1, when impurities on the outer wall of a filter screen 15 are accumulated excessively, an inserted rod 8 (driving pieces such as an electric push rod can be installed and can be driven to move up and down at a certain frequency) is pulled up and down, when the inserted rod 8 moves up and down, a compression spring 19 in an insertion hole 20 can deform, so that after the inserted rod 8 is loosened, the inserted rod 8 can reset under the resetting, impurities attached to the outer wall of the filter screen 15 are scraped, the telescopic rod 13 abuts against the inner wall of the mounting frame 14 when moving up and down, the springs 12 are compressed inwards to adapt to the width of the filter screen 15, the top of the rotary shaft 4 extends to the position above the top connecting block 3, the rotary shaft 4 is connected with the top connecting block 3 through a bearing, four groups of movable grooves are arranged in an annular array on the outer wall of the inner cavity of the valve body 1 of the rotary shaft 4, the butterfly plates 6 are clamped in two groups of movable grooves on the left side and the right side, the filter layers 7 are clamped in the two groups of movable grooves on the front side and the rear side, the center of the outer wall on the top of the rotary shaft 4 is provided with a jack 20, the inner wall at the bottom of the jack 20 is fixedly connected with a compression spring 19, the plug rod 8 is slidably connected in the jack 20, the bottom of the plug rod 8 is fixedly, the outer wall of the mutually back one side of two sets of connecting rods 10 of controlling the homonymy all is provided with recess 11, sliding connection has telescopic link 13 in recess 11, control the relative one end fixedly connected with spring 12 of two sets of telescopic links 13 of homonymy, spring 12's the other end and recess 11 inner wall fixed connection, between two sets of connecting rods 10 of homonymy around filter layer 7 is located, two sets of connecting rods 10 of homonymy and the relative one side outer wall of telescopic link 13 all are provided with the cleaning brush around, filter layer 7 includes the installing frame 14 of being connected with rotation axis 4, the 14 inner walls of installing frame are provided with the arc recess, and the joint has filter screen 15 in the arc recess, the laminating of cleaning brush and filter screen 15 outer walls, the part of.

As shown in fig. 3, the sealing assembly 9 includes an arc rubber strip 16 sleeved on the outer wall of the mounting frame 14, the outer wall of the connection portion of the arc rubber strip 16 and the mounting frame 14 is uniformly provided with a mounting groove 17, a return spring 18 is connected in the mounting groove 17, the other end of the return spring 18 is attached to the outer wall of the mounting frame 14, the return spring 18 is compressed by the inner wall of the valve body 1 when the butterfly plate 6 and the filter layer 7 rotate to be perpendicular to the water flow direction, the elastic force generated by the deformation of the return spring 18 can tightly support the arc rubber strip 16 against the inner wall of the valve body 1, the tightness between the butterfly plate 6 and the filter layer 7 and the valve body 1 is improved, and impurities are prevented from flowing out through a gap at;

as shown in fig. 1, a connecting ring 5 is arranged at the connecting part of the rotating shaft 4 and the top connecting block 3, an annular groove matched with the connecting ring 5 is arranged at the connecting part of the top outer wall of the top connecting block 3 and the rotating shaft 4, rolling balls are uniformly arranged on the peripheral inner wall of the annular groove, the opposite end of each rolling ball is attached to the outer wall of the rotating shaft 4, the connecting ring 5 is used for improving the connection tightness between the rotating shaft 4 and the top connecting block 3, and meanwhile, the stability of the rotating shaft 4 during rotation is improved;

as shown in fig. 1, an annular groove is formed in the inner wall of the periphery of the valve body 1, and a sealing rubber ring matched with the sealing component 9 is clamped in the annular groove, so that the connection tightness of the valve body 1, the butterfly plate 6 and the filter layer 7 is improved;

as shown in fig. 3, the opposite ends of the two sets of telescopic rods 13 on the left side and the right side are connected with balls through rotating connecting pieces, and the inner wall of the mounting frame 14 is provided with arc-shaped grooves matched with the balls, so that friction between the telescopic rods 13 and the inner wall of the mounting frame 14 when the telescopic rods slide up and down is reduced, and the smoothness of movement between the telescopic rods 13 and the mounting frame 14 is improved.

Example (b): when the butterfly valve is used, firstly, the rotation shaft 4 is rotated to enable the butterfly plate 6 to be consistent with the water flow direction, the water flow passing through the valve body 1 is the largest at the moment, the filter layer 7 is perpendicular to the water flow direction of the inner cavity of the valve body 1 at the moment, the water flowing through the inner cavity of the valve body 1 is filtered, impurities are prevented from being attached to the inner wall of a pipeline to reduce the flow of the pipeline, when the impurities on the outer wall of the filter screen 15 are accumulated too much, the inserting rod 8 is pulled up and down, when the inserting rod 8 moves up and down, the compression spring 19 in the inserting hole 20 deforms, therefore, after the inserting rod 8 is loosened, the inserting rod 8 can reset under the resetting effect of the compression spring 19, the connecting rod 10 is always positioned in the middle of the mounting frame 14, when the inserting rod 8 moves up and down, the connecting rod 10 and the telescopic rod 13 are driven to move up and down, the impurities attached to the, the spring 12 is compressed inward to adapt to the width of the filter screen 15, and the filter screen 15 is sufficiently scraped and washed.

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

Claims

1. The utility model provides a flange formula butterfly valve with clean filter effect, includes valve body (1), its characterized in that: the valve is characterized in that the left end and the right end of the valve body (1) are connected with flange plates (2), the top and the bottom outer wall of the valve body (1) are respectively provided with a connecting block (3), the bottom of the valve body (1) is connected with a rotating shaft (4) through a bearing, the top of the rotating shaft (4) extends to the position above the top connecting block (3), the rotating shaft (4) is connected with the top connecting block (3) through a bearing, the outer wall annular array of the rotating shaft (4) in the inner cavity of the valve body (1) is provided with four groups of movable grooves, butterfly plates (6) are clamped in two groups of movable grooves on the same side at the left side and the right side, filter layers (7) are clamped in two groups of movable grooves on the same side at the front side and the rear side, the center of the top outer wall of the rotating, the bottom of the inserted bar (8) is fixedly connected with the top of a compression spring (19), the outer wall of the inserted bar (8) positioned in the inner cavity of the jack (20) is symmetrically provided with a left group of connecting rods (10) and a right group of connecting rods (10), the outer wall of the outer cavity of the inserted bar (8) is provided with a groove matched with the connecting rods (10), the outer wall of the opposite side of the two groups of connecting rods (10) on the same side is provided with a groove (11), the groove (11) is internally connected with a telescopic rod (13) in a sliding way, the opposite end of the two groups of telescopic rods (13) on the same side is fixedly connected with a spring (12), the other end of the spring (12) is fixedly connected with the inner wall of the groove (11), the filter layer (7) is positioned between the two groups of connecting rods (10) on the, filter layer (7) include installing frame (14) be connected with rotation axis (4), installing frame (14) inner wall is provided with the arc recess, and the joint has filter screen (15) in the arc recess, and the laminating of cleaning brush and filter screen (15) outer wall, filter layer (7) and butterfly plate (6) all are provided with seal assembly (9) with the part of valve body (1) inner wall contact.

2. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: seal assembly (9) are including cup jointing arc rubber strip (16) at installing frame (14) outer wall, arc rubber strip (16) evenly are provided with mounting groove (17) with installing frame (14) coupling part's outer wall, mounting groove (17) in-connection has reset spring (18), the other end and the laminating of installing frame (14) outer wall of reset spring (18).

3. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: the connecting portion of rotation axis (4) and top connecting block (3) is provided with go-between (5), top the top outer wall of connecting block (3) is provided with go-between (5) matched with annular groove with the connecting portion of rotation axis (4), and annular groove inner wall all around evenly is provided with the spin, the relative one end and the laminating of rotation axis (4) outer wall of spin.

4. A flange butterfly valve with a clean filtering effect according to claim 1, characterized in that: the inner wall all around of valve body (1) is provided with annular groove, and the joint has the sealing rubber circle with seal assembly (9) matched with in the annular groove.

5. A flange butterfly valve with a clean filtering effect according to claim 2, characterized in that: the two sets of control homonymy the one end that backs on the back of the body of telescopic link (13) is connected with the ball through rotating the connecting piece, just installing frame (14) inner wall is provided with the arc recess with ball matched with.