CN217271942U

CN217271942U - Valve rod and butterfly plate connection positioning structure type butterfly valve

Info

Publication number: CN217271942U
Application number: CN202123388660.6U
Authority: CN
Inventors: 张启亮
Original assignee: Tianjin Ruisite Valve Industry Co ltd
Current assignee: Tianjin Ruisite Valve Industry Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-08-23
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a valve rod and butterfly plate hookup location structural formula butterfly valve, the water-cooled butterfly valve comprises a valve body, the inside of valve body is provided with the rubber circle, the rotation hole has been seted up to the bottom of valve body, first connecting hole has been seted up to the bottom of rubber circle, and the position of rotating the hole is corresponding with the position of first connecting hole, the second connecting hole has been seted up at the top of rubber circle, the third connecting hole has been seted up at the top of valve body, the position of second connecting hole is corresponding with the position of third connecting hole, the inside of valve body is provided with the valve rod, the surface of valve rod is provided with the rotation post, the fixed surface of rotation post is connected with the butterfly plate. The utility model discloses for the device can be through the downward rotation carriage release lever when using, and the control movable block moves forward, and then pushes away the inside of recess with the top of sheetmetal, reaches the effect of restriction valve rod rebound, can avoid valve rod and butterfly plate to break away from effectively.

Description

Valve rod and butterfly plate connection positioning structure type butterfly valve

Technical Field

The utility model relates to a valve body equipment field especially relates to a valve rod and butterfly plate hookup location structural formula butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for on-off control of a low-pressure pipeline medium, is a valve of which a closing part is a disk and rotates around a valve shaft to open and close, and can be used for controlling the flow of various types of fluid such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.

The applicant is applying the utility model discloses the time, through the retrieval, discovery chinese patent discloses a "valve rod and butterfly plate hookup location structural formula butterfly valve", and its application number is "201520991576.9", and this patent has mainly solved the pinhole position degree on valve rod and the butterfly plate through adopting cylinder inclined plane round pin and holding screw and has not reached the problem of requirement in the course of working, nevertheless the butterfly valve equipment is still comparatively loaded down with trivial details in the production process of reality, need prevent that valve rod and valve body from taking place to break away from at the junction of valve body and valve rod installs fixed knot structure additional.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a butterfly valve with a positioning structure for coupling a valve rod and a butterfly plate, aiming at the problem that a fixing structure needs to be additionally arranged at the joint of the valve body and the valve rod to prevent the valve rod from being separated from the valve body in the current production process, the butterfly valve comprises a valve body, a rubber ring is arranged in the valve body, a rotating hole is formed in the bottom of the valve body, a first connecting hole is formed in the bottom of the rubber ring, the position of the rotating hole corresponds to the position of the first connecting hole, a second connecting hole is formed in the top of the rubber ring, a third connecting hole is formed in the top of the valve body, the position of the second connecting hole corresponds to the position of the third connecting hole, a valve rod is arranged in the valve body, the bottom of the valve rod sequentially penetrates through the third connecting hole, the second connecting hole and the first connecting hole to the inside of the rotating hole, and a rotating column is arranged on the outer surface of the valve rod, the outer fixed surface who rotates the post is connected with the butterfly plate, and the side of butterfly plate laminates with the surface of rubber circle mutually, the third connecting hole is passed in proper order to the bottom of valve rod, the second connecting hole, first connecting hole to the inside of rotating the hole, wrap up the valve rod through the rubber circle, reach and carry out sealed effect to valve rod and valve body junction, the surface of valve rod has the butterfly plate through rotating post swing joint simultaneously, make the device can rotate through rotatory rotation post control butterfly plate when using, it opens and closed effect to reach controlling means.

Further, a hollow groove is formed in the valve rod, a connecting groove is formed in the side wall of the valve rod and communicated with the hollow groove, and therefore the moving block is convenient to install.

Further, the inside of spread groove is provided with the movable block, the both ends of movable block all are provided with spacing piece, the lateral wall fixedly connected with sheetmetal of valve rod, the sheetmetal is located the below of movable block, carries out the back-and-forth movement through controlling the movable block, alright with control sheetmetal forward deflection, and then the valve rod of being convenient for is connected with the rotation post.

Further, the inner wall of rotation post is seted up flutedly, the quantity of recess exists a plurality ofly, and the recess is located the top of spread groove, carries out the back-and-forth movement through the control movable block and reaches the control sheetmetal and deflect forward, when the top of sheetmetal deflects inside the recess, alright in order to link together valve rod and rotation post.

Further, the inside of cavity recess is provided with the carriage release lever, the top fixedly connected with handle of valve rod, through control carriage release lever downstream alright with control movable block promotion sheetmetal move forward, enter into the inside of recess.

Further, the carriage release lever includes the threaded rod, the bottom fixedly connected with toper pole of threaded rod, the top fixedly connected with of threaded rod rotates the head, and the toper pole of carriage release lever bottom can promote the movable block better.

Furthermore, the conical rod is of an inverted round table structure, and a cross groove is formed in the top of the rotating head, so that the moving rod can move downwards conveniently.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through valve rod, rotation post, butterfly plate, carriage release lever, movable block, sheetmetal for the device can be through the rotatory carriage release lever downwards when using, and the control movable block moves forward, and then pushes away the inside of recess with the top of sheetmetal, reaches the effect of restriction valve rod rebound, can avoid valve rod and butterfly plate to break away from effectively, increases the life of butterfly valve, reduces the installation procedure of butterfly valve.

2. The conical rod at the bottom of the moving rod adopts a circular truncated cone-shaped structure with a large top and a small bottom, so that the moving block can be better pushed when the moving rod moves downwards, and compared with a cylindrical structure, the circular truncated cone-shaped structure can effectively prevent the bottom of the moving rod from falling on the moving block, and is not beneficial to downward movement of the moving rod.

3. Through the sheetmetal, the sheetmetal can buckle, has elasticity, can take place deformation under the effect of movable block, and then the top enters into the inside of recess, reaches the effect of being connected between rotating column and the valve rod.

Drawings

Fig. 1 is a schematic view of the overall structure at the first viewing angle of the present invention.

Fig. 2 is a schematic view of the overall structure of the second viewing angle of the present invention.

Fig. 3 is a schematic diagram of the overall structure of the present invention in side view.

Fig. 4 is a schematic view of the internal structure of the present invention.

Fig. 5 is an enlarged view of a structure shown in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the structure of the moving rod of the present invention.

Description of the main elements

1. A valve body; 2. a rubber ring; 3. rotating the hole; 4. a first connection hole; 5. a second connection hole; 6. a third connection hole; 7. a valve stem; 8. rotating the column; 9. a butterfly plate; 10. a hollow groove; 11. a travel bar; 1101. a threaded rod; 1102. a tapered rod; 1103. rotating the head; 12. a handle; 13. a groove; 14. connecting grooves; 15. a moving block; 16. a metal sheet.

The present invention is described in further detail with reference to the drawings and the detailed description.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, the embodiment provides a butterfly valve with a positioning structure for coupling a valve rod with a butterfly plate, which includes a valve body 1, a rubber ring 2 disposed inside the valve body 1, a rotation hole 3 disposed at the bottom of the valve body 1, a first connection hole 4 disposed at the bottom of the rubber ring 2, a second connection hole 5 disposed at the top of the rubber ring 2, a third connection hole 6 disposed at the top of the valve body 1, a first connection hole 4 disposed at the bottom of the second connection hole 5 corresponding to the third connection hole 6, a valve rod 7 disposed inside the valve body 1, a rotation column 8 disposed on the outer surface of the valve rod 7, a butterfly plate 9 fixedly connected to the outer surface of the rotation column 8, and a side edge of the butterfly plate 9 attached to the outer surface of the rubber ring 2, third connecting hole 6 is passed in proper order to the bottom of valve rod 7, second connecting hole 5, first connecting hole 4 to the inside of rotating hole 3, wrap up valve rod 7 through rubber circle 2, reach and carry out sealed effect to

valve rod

7 and 1 junction of valve body, the surface of valve rod 7 has butterfly plate 9 through rotating 8 swing joint of post simultaneously, make the device can rotate through rotatory 8 control butterfly plates 9 of rotation post when using, it opens and closed effect to reach controlling means.

Referring to fig. 3-5, the valve rod 7 has a hollow groove 10 formed therein, the side wall of the valve rod 7 has a connecting groove 14, and the connecting groove 14 is communicated with the hollow groove 10, which is convenient for installing the moving block 15, the moving block 15 is arranged inside the connecting groove 14, both ends of the moving block 15 are provided with limit pieces, the outer side wall of the valve rod 7 is fixedly connected with a metal piece 16, the metal piece 16 is positioned below the moving block 15, by controlling the moving block 15 to move forward and backward, the metal sheet 16 can be controlled to deflect forward, thereby facilitating the connection of the valve rod 7 and the rotating column 8, the inner wall of the rotating column 8 is provided with a plurality of grooves 13, and the groove 13 is positioned above the connecting groove 14, the forward deflection of the metal sheet 16 is controlled by controlling the moving block 15 to move back and forth, when the top of the metal plate 16 is deflected inside the recess 13, the valve stem 7 and the rotary post 8 can be connected together.

Referring to fig. 4-6, a moving rod 11 is arranged inside a hollow groove 10, a moving block 15 can be controlled to push a metal sheet 16 to move forward by controlling the moving rod 11 to move downward, the metal sheet enters the inside of a groove 13, a handle 12 is fixedly connected to the top of a valve rod 7, the valve rod 7 is controlled to rotate by rotating the handle 12, so that a control butterfly plate 9 is controlled to rotate, the control device is controlled to be opened and closed, the moving rod 11 comprises a threaded rod 1101, a conical rod 1102 is fixedly connected to the bottom of the threaded rod 1101, a rotating head 1103 is fixedly connected to the top of the threaded rod 1101, the conical rod 1102 is of an inverted circular truncated cone structure, a cross groove is formed in the top of the rotating head 1103, and the conical rod 1102 at the bottom of the moving rod 11 can better push the moving block 15.

The working principle is as follows: when the device is used, the rubber ring 2 is arranged in the valve body 1, the rotating hole 3 is aligned with the first connecting hole 4, the second connecting hole 5 is aligned with the third connecting hole 6, then the butterfly plate 9 is placed in the valve body, the upper end and the lower end of the rotating column 8 are respectively corresponding to the second connecting hole 5 and the third connecting hole 6, then the valve rod 7 is placed in the valve body from the third connecting hole 6, the bottom of the valve rod 7 sequentially penetrates through the third connecting hole 6, the second connecting hole 5 and the first connecting hole 4 to the inside of the rotating hole 3, then the moving rod 11 is arranged in the hollow groove 10 in the valve rod 7, the moving rod 15 and the metal sheet 16 are arranged in the hollow groove 10, the device can control the moving block 15 to move forwards by rotating the moving rod 11 downwards when in use, the top end of the metal sheet 16 is pushed into the groove 13, and the effect of limiting the upward movement of the valve rod 7 is achieved, the valve rod 7 can be effectively prevented from being separated from the butterfly plate 9, the service life of the butterfly valve is prolonged, and the installation steps of the butterfly valve are reduced.

For the naming of each component referred to, the function described in the specification is used as the standard for naming, and is not limited by the specific terms used in the present invention, and those skilled in the art can also choose other terms to describe each component name of the present invention.

Claims

1. A butterfly valve with a valve rod and butterfly plate connection positioning structure comprises a valve body (1) and is characterized in that a rubber ring (2) is arranged inside the valve body (1), a rotating hole (3) is formed in the bottom of the valve body (1), a first connecting hole (4) is formed in the bottom of the rubber ring (2), the position of the rotating hole (3) corresponds to the position of the first connecting hole (4), a second connecting hole (5) is formed in the top of the rubber ring (2), a third connecting hole (6) is formed in the top of the valve body (1), the position of the second connecting hole (5) corresponds to the position of the third connecting hole (6), a valve rod (7) is arranged inside the valve body (1), and the bottom of the valve rod (7) sequentially penetrates through the third connecting hole (6), the second connecting hole (5), the first connecting hole (4) and the inside of the rotating hole (3), the surface of valve rod (7) is provided with rotates post (8), the fixed surface of rotating post (8) is connected with butterfly plate (9), and the side of butterfly plate (9) laminates with the surface of rubber circle (2) mutually.

2. The butterfly valve with the positioning structure for the connection between the valve rod and the butterfly plate as claimed in claim 1, wherein a hollow groove (10) is formed in the valve rod (7), a connecting groove (14) is formed in a side wall of the valve rod (7), and the connecting groove (14) is communicated with the hollow groove (10).

3. The butterfly valve with the valve rod and the butterfly plate connected and positioned in the structural formula is characterized in that a moving block (15) is arranged inside the connecting groove (14), limiting pieces are arranged at two ends of the moving block (15), a metal sheet (16) is fixedly connected to the outer side wall of the valve rod (7), and the metal sheet (16) is located below the moving block (15).

4. The butterfly valve with the valve rod and the butterfly plate connecting and positioning structure as claimed in claim 2, wherein a plurality of grooves (13) are formed in the inner wall of the rotating column (8), and the grooves (13) are located above the connecting grooves (14).

5. The butterfly valve with the valve rod and the butterfly plate connected and positioned as claimed in claim 2, wherein the hollow groove (10) is internally provided with a movable rod (11), and a handle (12) is fixedly connected to the top of the valve rod (7).

6. A valve rod and butterfly plate coupling positioning structure type butterfly valve according to claim 5, characterized in that the moving rod (11) comprises a threaded rod (1101), a tapered rod (1102) is fixedly connected to the bottom of the threaded rod (1101), and a rotating head (1103) is fixedly connected to the top of the threaded rod (1101).

7. The butterfly valve with the positioning structure for the connection of the valve rod and the butterfly plate as claimed in claim 6, wherein the tapered rod (1102) is of an inverted circular truncated cone structure, and a cross-shaped groove is formed in the top of the rotary head (1103).