CN216306746U

CN216306746U - Butterfly plate of butterfly valve

Info

Publication number: CN216306746U
Application number: CN202123082780.3U
Authority: CN
Inventors: 黄则斌; 郑良俊
Original assignee: Ruian Jiuding Cold Extrusion Co ltd
Current assignee: Ruian Jiuding Cold Extrusion Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-04-15
Anticipated expiration: 2031-12-09

Abstract

The utility model relates to a butterfly plate of a butterfly valve, which comprises a butterfly valve shell, wherein a butterfly plate body is rotatably arranged in the butterfly valve shell, a first sleeve is symmetrically and fixedly arranged at the front side of the butterfly plate body, the first sleeve is symmetrically distributed at the upper part and the lower part of the butterfly plate body, a rotating shaft is embedded in the first sleeve in a sliding way, the top end of the rotating shaft penetrates through the top end of the butterfly valve shell and extends to the upper part of the butterfly valve shell, a bracket is symmetrically and fixedly arranged at the front side of the butterfly plate body, a second sleeve is fixedly arranged at the front side of the bracket, a positioning rod is embedded in the second sleeve in a sliding way in a penetrating way, positioning grooves matched with the positioning rods are respectively arranged on the inner walls at the two sides of the butterfly valve shell, the positioning grooves are respectively positioned at the front side of the butterfly plate body, and limiting grooves are respectively arranged on the inner walls of the first sleeve, so that the stability of the butterfly plate when the butterfly valve is closed can be effectively improved, thereby the leakproofness of butterfly valve has effectually been improved.

Description

Butterfly plate of butterfly valve

Technical Field

The utility model relates to a butterfly plate of a butterfly valve, and belongs to the technical field of butterfly valve equipment.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member which is a disc and rotates around a valve shaft to open and close.

The butterfly plate of the existing butterfly valve is only a circular baffle, when the butterfly valve is closed, certain acting force is applied to the butterfly valve by media in a pipeline at the moment, so that torsion is generated on the butterfly valve due to stress influence, the butterfly plate is easy to rotate slightly, and the sealing effect of the butterfly valve is reduced.

Disclosure of Invention

The utility model aims to provide a butterfly plate of a butterfly valve, which can effectively improve the stability of the butterfly plate when the butterfly valve is closed, thereby effectively improving the sealing property of the butterfly valve and solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a butterfly plate of butterfly valve, includes the butterfly valve casing, the butterfly valve casing internal rotation is equipped with the butterfly plate body, the fixed sleeve pipe one that is equipped with of front side symmetry of butterfly plate body, a sleeve pipe symmetric distribution is in the upper portion and the lower part of butterfly plate body, slide in the sleeve pipe one and inlay and be equipped with the pivot, the top of pivot is run through the top of butterfly valve casing extends to the top of butterfly valve casing, the fixed support that is equipped with of front side symmetry of butterfly plate body, the front side of support is all fixed and is equipped with sleeve pipe two, it runs through to inlay and is equipped with the locating lever all to slide on the sleeve pipe two, all seted up on the both sides inner wall of butterfly valve casing with locating lever assorted constant head tank, the constant head tank all is located the front side of butterfly plate body.

Furthermore, a limiting groove is formed in the inner wall of the first sleeve, limiting blocks are symmetrically and fixedly arranged on the rotating shaft, one ends of the limiting blocks, far away from the rotating shaft, extend into the adjacent limiting grooves, and are connected with the limiting grooves in a sliding mode.

Furthermore, the positioning rods positioned in the second sleeve are fixedly sleeved with sliding blocks, and the sliding blocks are connected with the inner wall of the second sleeve in a sliding mode.

Furthermore, the positioning rods are all slidably sleeved with springs, one ends of the springs, far away from the rotating shaft, are all fixedly connected with one side, close to the rotating shaft, of the sliding blocks, and the other ends of the springs are all fixedly connected with the inner wall of one side, adjacent to the sleeve, of the sleeve.

Further, the fixed articulated seat one that is equipped with of symmetry in the pivot, articulated seat one is kept away from one side of pivot all articulates there is connecting rod one, the other end of connecting rod one all rotates and is connected with connecting rod two, the other end of connecting rod two all articulates there is articulated seat two.

Furthermore, the specification of the hinged seat II is the same as that of the hinged seat I, and one end of the hinged seat II, which is far away from the connecting rod II, is fixedly connected with the adjacent positioning rod.

Further, the first connecting rod is adjacent to the second connecting rod, the second connecting rod is rotatably connected through the rotating rod, and the top end and the bottom end of the rotating rod are fixedly provided with protruding blocks.

Furthermore, the supports are symmetrically distributed on two sides of the rotating shaft, and the supports, the second sleeve, the positioning rods and the positioning grooves are the same in number.

The utility model has the beneficial effects that:

the butterfly plate is provided with the positioning rod and the positioning groove, when the butterfly plate is used, the rotating shaft is rotated, so that the rotating shaft drives the limiting block to rotate, when the limiting block is abutted against the inner wall of one side adjacent to the limiting groove, the limiting block drives the first sleeve to rotate, the first sleeve drives the butterfly plate body to rotate, meanwhile, the rotating shaft drives the first connecting rod to rotate, the first connecting rod drives the positioning rod to move on the second sleeve through the second connecting rod, when the positioning rod moves, the positioning rod drives the sliding block to slide in the second sleeve, the spring is extruded through the sliding block, the positioning rod is inserted into the positioning groove, and therefore the stability of the butterfly plate can be improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a front view of a butterfly plate of a butterfly valve of the present invention;

FIG. 2 is a schematic structural diagram of a butterfly plate of the butterfly valve of the present invention;

FIG. 3 is a top view of a butterfly plate of a butterfly valve of the present invention;

FIG. 4 is an enlarged view of the butterfly plate of the butterfly valve of the present invention at A in FIG. 3;

reference numbers in the figures: 1. a butterfly valve housing; 2. a butterfly plate body; 3. a first sleeve; 4. a rotating shaft; 5. a support; 6. a second sleeve; 7. positioning a rod; 8. positioning a groove; 9. a limiting groove; 10. a limiting block; 11. a slider; 12. a spring; 13. a first hinge seat; 14. a first connecting rod; 15. a second connecting rod; 16. and a second hinge seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In embodiment 1, please refer to fig. 1 to 4, the present invention provides a technical solution:

the utility model provides a butterfly plate of butterfly valve, including

butterfly valve casing

1, 1 internal rotation of butterfly valve casing is equipped with butterfly plate body 2, the fixed sleeve pipe 3 that is equipped with of front side symmetry of butterfly plate body 2, the upper portion and the lower part of the 3 symmetric distribution of sleeve pipe at butterfly plate body 2, it is equipped with pivot 4 to slide to inlay in the sleeve pipe 3, the top that butterfly valve casing 1 was run through on the top of pivot 4 extends to butterfly valve casing 1's top, the fixed support 5 that is equipped with of front side symmetry of butterfly plate body 2, the front side of support 5 is all fixed and is equipped with sleeve pipe two 6, it is equipped with locating lever 7 to all slide to run through on sleeve pipe two 6, all seted up on butterfly valve casing 1's the both sides inner wall with locating lever 7 assorted constant head tank 8, constant head tank 8 all is located butterfly plate body 2's front side.

Specifically, as shown in fig. 3 and 4, a limiting groove 9 has all been seted up on the inner wall of sleeve pipe one 3, the fixed stopper 10 that is equipped with of symmetry in pivot 4, the one end that pivot 4 was kept away from to stopper 10 all extends to adjacent limiting groove 9 in, stopper 10 all with limiting groove 9 sliding connection, through rotating pivot 4, thereby make pivot 4 drive stopper 10 rotate, when stopper 10 contradicts with one side inner wall that limiting groove 9 is adjacent, stopper 10 will drive sleeve pipe one 3 and rotate this moment, thereby make sleeve pipe one 3 drive butterfly plate body 2 and rotate.

Specifically, as shown in fig. 2, the positioning rod 7 located in the second sleeve 6 is fixedly sleeved with the sliding block 11, the sliding block 11 is connected with the inner wall of the second sleeve 6 in a sliding manner, when the positioning rod 7 moves, the positioning rod 7 drives the sliding block 11 to slide in the second sleeve 6, and the sliding block 11 can play a role in limiting and supporting the positioning rod 7.

Specifically, as shown in fig. 1-3, a first hinge seat 13 is symmetrically and fixedly disposed on the rotating shaft 4, a first connecting rod 14 is hinged to one side of the first hinge seat 13 away from the rotating shaft 4, a second connecting rod 15 is rotatably connected to the other end of the first connecting rod 14, a second hinge seat 16 is hinged to the other end of the second connecting rod 15, the specifications of the second hinge seat 16 and the first hinge seat 13 are the same, one end of the second hinge seat 16 away from the second connecting rod 15 is fixedly connected to an adjacent positioning rod 7, the first connecting rod 14 is rotatably connected to the adjacent second connecting rod 15 through a rotating rod, and the top end and the bottom end of the rotating rod are fixedly provided with a bump, the brackets 5 are symmetrically disposed on two sides of the rotating shaft 4, the brackets 5, the second sleeves 6, the positioning rods 7 and the positioning grooves 8 are equal in number, the first connecting rod 14 can be driven to rotate through the rotating shaft 4, at this time, the first connecting rod 14 drives the positioning rod 7 to move on the second sleeve 6 through the second connecting rod 15, thereby making the positioning rod 7 break away from the positioning slot 8, and making the butterfly plate body 2 rotate.

In embodiment 2, referring to fig. 2, the difference between this embodiment and embodiment 1 is: the cover all slides on locating lever 7 and is equipped with spring 12, spring 12 keeps away from one end of pivot 4 all and slider 11 one side fixed connection who is close to pivot 4, spring 12's the other end all with two 6 adjacent one side inner wall fixed connection of sleeve pipe, through setting up spring 12, spring 12 is in the extrusion state all the time, when locating lever 7 inserts constant head tank 8, slider 11 will extrude spring 12 this moment, thereby exert the effort to slider 11 through spring 12, and then can improve the stability when locating lever 7 inserts constant head tank 8.

The working principle of the utility model is as follows: when in use, the rotating shaft 4 is rotated, so that the rotating shaft 4 drives the limiting block 10 to rotate, when the limiting block 10 is abutted against the inner wall of one side adjacent to the limiting groove 9, the limiting block 10 drives the first sleeve 3 to rotate, so that the first sleeve 3 drives the butterfly plate body 2 to rotate, and simultaneously the rotating shaft 4 can drive the first connecting rod 14 to rotate, at the same time, the first connecting rod 14 drives the positioning rod 7 to move on the second sleeve 6 through the second connecting rod 15, so that the positioning rod 7 is inserted into the positioning groove 8, so that the butterfly plate body 2 can rotate, when the positioning rod 7 moves, the positioning rod 7 drives the sliding block 11 to slide in the second sleeve 6, the positioning rod 7 can be limited and supported through the sliding block 11, when the positioning rod 7 is inserted into the positioning groove 8, the sliding block 11 extrudes the spring 12, so that an acting force is exerted on the sliding block 11 through the spring 12, and the stability of the positioning rod 7 when inserted into the positioning groove 8 can be improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a butterfly plate of butterfly valve, includes butterfly valve casing (1), its characterized in that: a butterfly plate body (2) is rotationally arranged in the butterfly valve shell (1), a sleeve pipe I (3) is symmetrically and fixedly arranged at the front side of the butterfly plate body (2), the first sleeves (3) are symmetrically distributed at the upper part and the lower part of the butterfly plate body (2), a rotating shaft (4) is embedded in the sleeve I (3) in a sliding manner, the top end of the rotating shaft (4) penetrates through the top end of the butterfly valve shell (1) and extends to the upper part of the butterfly valve shell (1), the front side of the butterfly plate body (2) is symmetrically and fixedly provided with a bracket (5), the front side of each bracket (5) is fixedly provided with a second sleeve (6), a positioning rod (7) is embedded in the sleeve II (6) in a sliding and penetrating way, positioning grooves (8) matched with the positioning rods (7) are formed in the inner walls of the two sides of the butterfly valve shell (1), the positioning grooves (8) are located on the front side of the butterfly plate body (2).

2. A butterfly plate of a butterfly valve according to claim 1, wherein: all seted up spacing groove (9) on the inner wall of sleeve pipe (3), the symmetry is fixed to be equipped with stopper (10) in pivot (4), stopper (10) are kept away from the one end of pivot (4) all extends to adjacent in spacing groove (9), stopper (10) all with spacing groove (9) sliding connection.

3. A butterfly plate of a butterfly valve according to claim 1, wherein: and the positioning rods (7) positioned in the second sleeve (6) are fixedly sleeved with sliding blocks (11), and the sliding blocks (11) are in sliding connection with the inner wall of the second sleeve (6).

4. A butterfly plate of a butterfly valve according to claim 3, wherein: the locating lever (7) is provided with a spring (12) in a sliding sleeved mode, the spring (12) is far away from one end of the rotating shaft (4) and the sliding block (11) are close to one side fixed connection of the rotating shaft (4), and the other end of the spring (12) is fixedly connected with the inner wall of one side, adjacent to the second sleeve (6).

5. A butterfly plate of a butterfly valve according to claim 1, wherein: the fixed articulated seat (13) that is equipped with of symmetry on pivot (4), keep away from articulated seat (13) one side of pivot (4) all articulates there is connecting rod one (14), the other end of connecting rod one (14) all rotates and is connected with connecting rod two (15), the other end of connecting rod two (15) all articulates there is articulated seat two (16).

6. A butterfly plate of a butterfly valve according to claim 5, wherein: the specification of the second hinged seat (16) is the same as that of the first hinged seat (13), and one end, far away from the second connecting rod (15), of the second hinged seat (16) is fixedly connected with the adjacent positioning rod (7).

7. A butterfly plate of a butterfly valve according to claim 5, wherein: connecting rod one (14) and adjacent all rotate through the dwang between connecting rod two (15) and connect and the top and the bottom of dwang all fixedly are equipped with the lug.

8. A butterfly plate of a butterfly valve according to claim 1, wherein: the support (5) is symmetrically distributed on two sides of the rotating shaft (4), and the number of the support (5), the number of the second sleeve pipes (6), the number of the positioning rods (7) and the number of the positioning grooves (8) are the same.