CN216279433U

CN216279433U - Flange butterfly valve suitable for large-diameter valve

Info

Publication number: CN216279433U
Application number: CN202122688483.7U
Authority: CN
Inventors: 周后亮; 徐同昆; 晏智学; 包凤
Original assignee: Zhejiang Jodis Industrial Co ltd
Current assignee: Zhejiang Jodis Industrial Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-12
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a flange butterfly valve suitable for a large-diameter valve, and particularly relates to the field of flange butterfly valves. Through setting up the connecting block, the pulling handle removes when using, will drive the connecting block and dismantle from the inside of first recess when the handle removes afterwards, when the connecting block is dismantled from the inside of first recess, the stopper will receive the extrusion of arc spacing groove this moment, the removal of the inside cooperation connecting block of adapter sleeve is slided into to the arc spacing groove afterwards, the connecting block is dismantled from the inside of first recess this moment and is accomplished the back, take out through the pulling handle from the inside of flange butterfly valve body and can change.

Description

Flange butterfly valve suitable for large-diameter valve

Technical Field

The utility model relates to the technical field of flange butterfly valves, in particular to a flange butterfly valve suitable for a large-diameter valve.

Background

The flange butterfly valve is also called a butterfly valve, the butterfly valve is simple in structure, small in size and light in weight, only comprises a few parts, can be opened and closed quickly only by rotating 90 degrees, is simple to operate, has good fluid control characteristics, is installed in the diameter direction of a pipeline, rotates around an axis in a cylindrical channel of a valve body of the butterfly valve, has a rotation angle of 0-90 degrees, and is in a fully-opened state when rotating to 90 degrees.

However, when the flange butterfly valve is used, the existing flange butterfly valve has no filtering structure temporarily, and liquid is likely to be attached with impurities due to the use of the flange butterfly valve, the impurities are accumulated on the inner wall of the flange butterfly valve, the inner wall of the flange butterfly valve is corroded for a long time, and the liquid is polluted after the impurities are corroded, so that the use effect of the flange butterfly valve is influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present invention provide a flange butterfly valve suitable for a large-diameter valve, so as to solve the problems mentioned in the above background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a flange butterfly valve suitable for heavy-calibre valve, includes flange butterfly valve body, baffle body, the inside rotation of flange butterfly valve body installs the baffle body, the inside backup pad that is equipped with of one end of flange butterfly valve body, the surface joint of backup pad is connected with the filter screen, the surface symmetry of backup pad is equipped with the handle, the equal fixed mounting in a side that the handle is close to the backup pad has the connecting block, first recess has been seted up to the equal symmetry of one end inner wall of flange butterfly valve body, the arc spacing groove has all been seted up in the surface of first recess cooperation, the equal symmetrical fixed mounting in surface of connecting block has the adapter sleeve, the inside of adapter sleeve all is equipped with a reset spring, the surface of adapter sleeve all is inserted and is equipped with the stopper.

In order to increase the stable effect of fixed plate, the other end inner wall fixed mounting of flange butterfly valve body has the fixed plate, the second recess has been seted up to the surface of fixed plate, the side that the baffle body was kept away from to the fixed plate is equipped with the guard plate, be equipped with the rubber pad between fixed plate and the guard plate, the articulated first fixed block that is connected with in surface of guard plate, the last fixed surface of first fixed block installs the second fixed block.

In order to increase the friction force of the handle, the outer surface of the handle is sleeved with a rubber sleeve, and irregular grains are arranged on the outer surface of the rubber sleeve.

In order to facilitate the limiting of the connecting block, one end of the first reset spring is fixedly mounted on the inner wall of the connecting sleeve, the other end of the first reset spring is fixedly connected with one side face of the limiting block, and the outer surface of the limiting block is tightly attached to the outer surface of the arc-shaped limiting groove.

In order to increase the limiting effect of the connecting block, one end, away from the handle, of the connecting block is inserted into the first groove and connected with the first groove, and the outer surface of the connecting block is tightly attached to the outer surface of the first groove.

In order to increase the sealing performance of the fixing plate, one side surface of the rubber pad and one side surface of the protection plate are fixedly installed, and the outer surface of the rubber pad is tightly attached to the outer surface of the second groove.

In order to increase second reset spring's stability, a side fixed mounting of second fixed block has spacing support, the surface cover that spacing held in the palm is equipped with second reset spring, second reset spring's surface and the surface of flange butterfly valve body closely laminate, second reset spring's the other end and the fixed surface installation of flange butterfly valve body.

The utility model has the technical effects and advantages that:

1. compared with the prior art, through setting up the connecting block, the pulling handle removes when using, will drive the connecting block and dismantle from the inside of first recess when the handle removes afterwards, when the connecting block is dismantled from the inside of first recess, the stopper will receive the extrusion of arc spacing groove this moment, the removal of the inside cooperation connecting block of adapter sleeve is slided into to the arc spacing groove afterwards, the connecting block is dismantled from the inside of first recess this moment and is accomplished the back, take out from the inside of flange butterfly valve body through the pulling handle and can change.

2. Compared with the prior art, through setting up the guard plate, the device is during the use, when the baffle body is the expansion state, liquid will flow in the inside of second recess afterwards, and liquid will promote the guard plate and remove this moment, when liquid promotes the application of force great, second fixed block cooperation second reset spring removed this moment, guard plate and first fixed block dislocation when preventing that pressure is great from appearing, and when liquid reverse promotion guard plate removed, the guard plate will receive liquid promotion this moment and drive the inside that the rubber pad inserted the second recess and protect.

Drawings

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

Fig. 2 is a side sectional structural schematic view of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

FIG. 4 is an enlarged view of the structure of the present invention at B in FIG. 2.

The reference signs are: 1. a flange butterfly valve body; 111. a baffle body; 2. a support plate; 3. filtering with a screen; 4. a handle; 5. a rubber sleeve; 6. connecting blocks; 7. a first groove; 8. an arc-shaped limiting groove; 9. connecting sleeves; 10. a first return spring; 11. a limiting block; 12. a fixing plate; 13. a second groove; 14. a protection plate; 15. a rubber pad; 16. a first fixed block; 17. a second fixed block; 18. a limiting support; 19. a second return spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

As figure 1, the flange butterfly valve suitable for heavy-calibre valve that figure 2 and figure 3 are shown, including flange butterfly valve body 1, baffle body 111 is installed in the inside rotation of flange butterfly valve body 1, the inside backup pad 2 that is equipped with of one end of flange butterfly valve body 1, the surface joint of backup pad 2 is connected with filter screen 3, the surface symmetry of backup pad 2 is equipped with handle 4, the equal fixed mounting in a side that handle 4 is close to backup pad 2 has connecting block 6, first recess 7 has been seted up to the equal symmetry of one end inner wall of flange butterfly valve body 1, arc spacing groove 8 has all been seted up in the cooperation of the surface of first recess 7, the equal symmetrical fixed mounting in surface of connecting block 6 has adapter sleeve 9, the inside of adapter sleeve 9 all is equipped with first reset spring 10, the surface of adapter sleeve 9 all inserts and is equipped with stopper 11.

Wherein, as shown in fig. 2 and fig. 4, a fixing plate 12 is fixedly mounted on the inner wall of the other end of the flange butterfly valve body 1, a second groove 13 is formed in the outer surface of the fixing plate 12, a protection plate 14 is arranged on one side surface, away from the baffle body 111, of the fixing plate 12, a rubber pad 15 is arranged between the fixing plate 12 and the protection plate 14, a first fixing block 16 is hinged to the outer surface of the protection plate 14, and a second fixing block 17 is fixedly mounted on the upper surface of the first fixing block 16.

Wherein, as shown in figure 2, the outer surface of the handle 4 is all sleeved with a rubber sleeve 5, and the outer surface of the rubber sleeve 5 is provided with irregular grains.

Wherein, as shown in fig. 3, one end of the first return spring 10 is fixedly mounted on the inner wall of the connecting sleeve 9, the other end of the first return spring 10 is fixedly connected with one side of the limiting block 11, and the outer surface of the limiting block 11 is closely attached to the outer surface of the arc-shaped limiting groove 8.

Wherein, as shown in figure 2, the one end that handle 4 was kept away from to connecting block 6 all is inserted with first recess 7 and is established and be connected, and the surface of connecting block 6 all closely laminates with the surface of first recess 7.

As shown in fig. 2, one side surface of the rubber pad 15 is fixedly mounted with one side surface of the protection plate 14, and the outer surface of the rubber pad 15 is tightly attached to the outer surface of the second groove 13.

As shown in fig. 4, a side surface of the second fixing block 17 is fixedly provided with a limiting support 18, a second return spring 19 is sleeved on the outer surface of the limiting support 18, the outer surface of the second return spring 19 is tightly attached to the outer surface of the flange butterfly valve body 1, and the other end of the second return spring 19 is fixedly arranged on the outer surface of the flange butterfly valve body 1.

The working principle of the utility model is as follows: when the device is used, the handle 4 is pulled to move, then the handle 4 is moved to drive the connecting block 6 to be detached from the inside of the first groove 7, when the connecting block 6 is detached from the inside of the first groove 7, the limiting block 11 is extruded by the arc-shaped limiting groove 8, then the arc-shaped limiting groove 8 slides into the inside of the connecting sleeve 9 to be matched with the connecting block 6 to move, when the connecting block 6 is detached from the inside of the first groove 7, the connecting block can be taken out from the inside of the flange butterfly valve body 1 by pulling the handle 4 to be replaced, when the baffle body 111 is in an unfolded state, then liquid flows into the inside of the second groove 13, at the moment, the liquid pushes the protection plate 14 to move, when the liquid pushes and applies a large force, at the moment, the second fixing block 17 is matched with the second return spring 19 to move, and the protection plate 14 is prevented from being dislocated with the first fixing block 16 when the pressure is large, when the liquid pushes the protection plate 14 to move reversely, the protection plate 14 is pushed by the liquid to drive the rubber pad 15 to be inserted into the inside of the second groove 13 for protection.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flange butterfly valve suitable for heavy-calibre valve, includes flange butterfly valve body (1), baffle body (111), its characterized in that: a baffle plate body (111) is rotatably arranged in the flange butterfly valve body (1), a supporting plate (2) is arranged inside one end of the flange butterfly valve body (1), the outer surface of the supporting plate (2) is connected with a filter screen (3) in a clamping way, handles (4) are symmetrically arranged on the outer surface of the supporting plate (2), connecting blocks (6) are fixedly arranged on one side surfaces of the handles (4) close to the supporting plate (2), the inner wall of one end of the flange butterfly valve body (1) is symmetrically provided with first grooves (7), the outer surface of the first groove (7) is provided with an arc-shaped limiting groove (8) in a matching way, the outer surfaces of the connecting blocks (6) are symmetrically and fixedly provided with connecting sleeves (9), the connecting sleeve is characterized in that a first return spring (10) is arranged inside the connecting sleeve (9), and a limiting block (11) is inserted into the outer surface of the connecting sleeve (9).

2. A flange butterfly valve adapted for use with a large bore valve, according to claim 1, wherein: fixed plate (12) are installed to the other end inner wall fixed of flange butterfly valve body (1), second recess (13) have been seted up to the surface of fixed plate (12), a side that baffle body (111) were kept away from in fixed plate (12) is equipped with guard plate (14), be equipped with rubber pad (15) between fixed plate (12) and guard plate (14), the articulated first fixed block (16) that is connected with of surface of guard plate (14), the last fixed surface of first fixed block (16) installs second fixed block (17).

3. A flange butterfly valve adapted for use with a large bore valve, according to claim 1, wherein: the outer surface of the handle (4) is sleeved with a rubber sleeve (5), and irregular grains are arranged on the outer surface of the rubber sleeve (5).

4. A flange butterfly valve adapted for use with a large bore valve, according to claim 1, wherein: the one end of first reset spring (10) all with the inner wall fixed mounting of adapter sleeve (9), and the other end of first reset spring (10) and a side fixed connection of stopper (11), the surface of stopper (11) all closely laminates with the surface of arc spacing groove (8).

5. A flange butterfly valve adapted for use with a large bore valve, according to claim 1, wherein: one end of the connecting block (6), which is far away from the handle (4), is inserted into and connected with the first groove (7), and the outer surface of the connecting block (6) is tightly attached to the outer surface of the first groove (7).

6. A flange butterfly valve adapted for use with a large bore valve according to claim 2, wherein: one side surface of the rubber pad (15) and one side surface of the protection plate (14) are fixedly installed, and the outer surface of the rubber pad (15) is tightly attached to the outer surface of the second groove (13).

7. A flange butterfly valve adapted for use with a large bore valve according to claim 2, wherein: a side fixed mounting of second fixed block (17) has spacing support (18), the surface cover that spacing support (18) is equipped with second reset spring (19), the surface of second reset spring (19) closely laminates with the surface of flange butterfly valve body (1), the other end of second reset spring (19) and the fixed surface installation of flange butterfly valve body (1).