CN211315153U

CN211315153U - Butterfly valve with telescopic extension rod

Info

Publication number: CN211315153U
Application number: CN201922287702.3U
Authority: CN
Inventors: 杨学亮
Original assignee: Tianjin Tangye Valve Co ltd
Current assignee: Tianjin Tangye Valve Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-21
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a butterfly valve with flexible extension bar, which comprises a valve body, the both sides tip fixedly connected with ring flange of valve body, the upper surface middle part fixedly connected with riser of valve body, the outer cover pipe has been put to the upper portion surface cover of riser, the surface downside position rotation of outer cover pipe is provided with the positioning stud, the fixed commentaries on classics handle that is provided with in upper surface middle part position top of outer cover pipe, the lower surface middle part fixedly connected with butt joint post of commentaries on classics handle, and butt joint post and outer cover pipe upper surface rotate and be connected, the inside commentaries on classics post that is provided with in below of butt joint post, the lower extreme of commentaries on classics post runs through the lower surface of riser and the upper surface fixedly connected with valve plate of valve body, the surface of valve plate is laminated with the inner. The utility model discloses in, two sections are established to the transfer line, can stretch out and draw back between two sections poles and adjust to change body of rod length, realize that valve switch changes the length adjustment between with the valve body, can meet an emergency according to actual need, increase the practicality.

Description

Butterfly valve with telescopic extension rod

Technical Field

The utility model relates to a butterfly valve field especially relates to a butterfly valve with flexible extension bar.

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 which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The butterfly valve mainly plays a role in cutting off and throttling on a pipeline, and the butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly valve body in the valve body, so that the opening and closing or adjusting purpose is achieved.

The use of butterfly valve is everywhere visible in the life, is provided with different butterfly valves to different situation generally, but the body of rod of butterfly valve generally sets up for short, can't realize the simple and easy regulation of switch when setting up in the hole, need carry out auxiliary switch with the help of other bodies of rod, and the operation is troublesome relatively, directly sets up the extension body of rod and though this problem of solution, but is not suitable for the setting of ground valve body again, and the application scope is less, can't carry out corresponding regulation to the actual conditions to the valve rod.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a butterfly valve with a telescopic extension rod.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a butterfly valve with flexible extension bar, includes the valve body, the both sides tip fixedly connected with ring flange of valve body, the upper surface middle part fixedly connected with riser of valve body, the outer cover pipe has been put to the upper portion surface cover of riser, the surface downside position of outer cover pipe rotates and is provided with the positioning stud, the fixed commentaries on classics handle that is provided with in upper surface middle part position top of outer cover pipe, the lower surface middle part fixedly connected with butt joint post of changeing the handle, and butt joint post and outer cover pipe upper surface rotate and be connected, the below inside of butt joint post is provided with the commentaries on classics post, the lower extreme of commentaries on classics post runs through the lower surface of riser and the last fixed surface connected with valve plate of valve body, the surface of valve plate is laminated with.

As a further description of the above technical solution:

the positioning stud is rotatably connected to the surface of the outer covering pipe, penetrates through the inner wall of the vertical pipe and is connected with the rotating column in a fitting mode, and a strip-shaped sliding hole is fixedly formed in the vertical pipe and corresponds to the positioning stud.

As a further description of the above technical solution:

the pole body fixed surface of rotary column is provided with the constant head tank, the constant head tank is provided with a plurality ofly at the pole body surface equidistance of rotary column, and the groove width setting of constant head tank is the same with the shaft diameter size of positioning stud.

As a further description of the above technical solution:

the inside central point of butt joint post puts the fixed butt joint hole that is provided with, and the fixed quad slit that sets up in butt joint hole, the big or small shape of external diameter of rotary column sets up the same with the big or small shape of internal diameter in butt joint hole.

As a further description of the above technical solution:

the outer pipe is characterized in that a rotating piece is fixedly arranged in the middle of the upper surface of the outer covering pipe, the butt joint column is rotatably connected with the middle of the upper surface of the outer covering pipe through the rotating piece, and the inner wall of the outer covering pipe is attached to the outer surface of the vertical pipe.

As a further description of the above technical solution:

the valve plate sets up the position in the middle part of the pipe shaft of valve body, the upper surface middle part rigidity of valve plate is connected with the lower extreme of rotary column, the pipe length setting of valve body is greater than the plate diameter size of valve plate.

As a further description of the above technical solution:

the fixed screw that is provided with in disk body surface of ring flange, the screw is provided with a plurality ofly along the disk body circumference equidistance of ring flange, both sides the structure setting of ring flange is the same.

The utility model discloses following beneficial effect has:

1. the utility model discloses the inside transfer line of structure is provided with two sections, and can stretch out and draw back between two sections body of rod and adjust the operation to can change body of rod length, realize that valve switch changes the length adjustment between height and the valve body, can meet an emergency according to actual need length, increase the practicality of use.

2. The utility model discloses the inside body of rod of structure sets up to square pole, increases the transmission intensity between the body of rod is rotatory, prevents to rotate relatively between the body of rod to increase transmission efficiency, the phenomenon of skidding relatively can not appear, body of rod butt joint outside corresponds and is provided with positioning bolt, can make body of rod length fixed, prevents that the body of rod landing can't be put enough.

Drawings

FIG. 1 is a front view of a butterfly valve with a telescoping extension bar;

FIG. 2 is a front sectional view of a butterfly valve with a telescopic extension rod;

FIG. 3 is an enlarged view of FIG. 1 at A;

fig. 4 is a schematic structural view of a docking post with a telescopic extension rod butterfly valve.

Illustration of the drawings:

1. a valve body; 2. a riser; 3. an outer cladding tube; 4. positioning the stud; 5. turning a handle; 6. a flange plate; 7. butting columns; 8. turning the column; 9. rotating the workpiece; 10. a valve plate; 11. positioning a groove; 12. a screw hole; 13. and (4) butting holes.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a butterfly valve with a telescopic extension rod comprises a valve body 1, flange plates 6 are fixedly connected to the end portions of two sides of the valve body 1 to provide butt joint operation of the two sides, a vertical pipe 2 is fixedly connected to the middle position of the upper surface of the valve body 1, an outer covering pipe 3 is sleeved on the outer surface of the upper portion of the vertical pipe 2 to achieve relative sliding operation, a positioning stud 4 is rotatably arranged at the lower side position of the outer surface of the outer covering pipe 3 to achieve length adjustment fixing operation, a rotating handle 5 is fixedly arranged above the middle position of the upper surface of the outer covering pipe 3 to provide a manual switch position, a butt joint column 7 is fixedly connected to the middle position of the lower surface of the rotating handle 5, the butt joint column 7 is rotatably connected with the upper surface of the outer covering pipe 3, a rotating column 8 is arranged inside the lower portion of the butt joint column 7 to increase the length of the whole rod, a valve plate 10 is fixedly connected to the lower, the outer surface of the valve plate 10 is attached to the inner wall of the valve body 1, so that the inner sealing effect is realized.

The positioning stud 4 is rotatably connected on the surface of the outer covering pipe 3, the positioning stud 4 penetrates through the inner wall of the vertical pipe 2 to be connected with the rotary column 8 in a fitting manner, so that the position between the rotary column 8 and the butt joint column 7 is fixed, a strip-shaped sliding hole is fixedly arranged on the vertical pipe 2 corresponding to the positioning stud 4 to provide a sliding space for the positioning stud 4, the surface of the rod body of the rotary column 8 is fixedly provided with a plurality of positioning grooves 11, the positioning grooves 11 are equidistantly arranged on the surface of the rod body of the rotary column 8 to realize different positioning operations of length, the groove width of each positioning groove 11 is the same as the diameter of the rod body of the positioning stud 4 to ensure the fixity at fixed length, the inner center of the butt joint column 7 is fixedly provided with a butt joint hole 13, the butt joint hole 13 is fixedly arranged as a square hole, the outer diameter of the rotary column 8 is the same as the inner diameter of, the fixed commentaries on classics 9 that is provided with of upper surface middle part rigidity of outer cover pipe 3, realize the relative rotation operation of butt joint post 7, butt joint post 7 rotates with outer cover pipe 3 upper surface middle part position through changeing 9 and is connected, the inner wall of outer cover pipe 3 is laminated with the surface of riser 2 mutually, it is inseparable to guarantee the structure, valve plate 10 sets up the position at the shaft middle part of valve body 1, the upper surface middle part rigidity of valve plate 10 is connected with the lower extreme of commentaries on classics post 8, the pipe length setting of valve body 1 is greater than the board diameter size of valve plate 10, guarantee the normal rotation of valve plate 10, the shaft fixed surface of ring flange 6 is provided with screw 12, screw 12 is provided with a plurality ofly along the shaft circumference equidistance of ring flange 6, guarantee the fixed butt joint operation of both sides, the.

The working principle is as follows: when carrying out the butterfly valve installation operation, can realize the butt joint operation with the both sides body through the effect of ring flange 6, the upper portion of valve body 1 is provided with riser 2 and two bodys of outer casing pipe 3, can realize relative movement between riser 2 and the outer casing pipe 3, the butt joint post 7 and the rotary column 8 of inside setting can realize relative length adjustment, can realize the rigidity to butt joint post 7 and rotary column 8 through the effect of positioning stud 4, thereby realize the fixed of length, thereby realize the required valve rod length adjustment operation of adaptation different structures better, increase the valve practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a butterfly valve with flexible extension bar, includes valve body (1), its characterized in that: the end parts of the two sides of the valve body (1) are fixedly connected with flange plates (6), the middle part of the upper surface of the valve body (1) is fixedly connected with a vertical pipe (2), an outer covering pipe (3) is sleeved on the outer surface of the upper part of the vertical pipe (2), a positioning stud (4) is rotatably arranged at the lower side of the outer surface of the outer covering pipe (3), a rotating handle (5) is fixedly arranged above the middle position of the upper surface of the outer covering pipe (3), the middle part of the lower surface of the rotating handle (5) is fixedly connected with a butt-joint column (7), the butt joint column (7) is rotationally connected with the upper surface of the outer cladding pipe (3), a rotating column (8) is arranged inside the lower part of the butt joint column (7), the lower end of the rotary column (8) penetrates through the lower surface of the vertical pipe (2) and is fixedly connected with a valve plate (10) with the upper surface of the valve body (1), the outer surface of the valve plate (10) is attached to the inner wall of the valve body (1).

2. The butterfly valve with the telescopic extension rod of claim 1, wherein: positioning stud (4) rotate to be connected on the surface of outer cover pipe (3), positioning stud (4) run through the inner wall of riser (2) and are connected with the laminating of rotary column (8), correspond positioning stud (4) on riser (2) and fixedly be provided with rectangular slide opening.

3. The butterfly valve with the telescopic extension rod of claim 1, wherein: the pole body fixed surface of rotary column (8) is provided with constant head tank (11), constant head tank (11) are provided with a plurality ofly at the pole body surface equidistance of rotary column (8), and the groove width setting of constant head tank (11) is the same with the shaft diameter size of positioning stud (4).

4. The butterfly valve with the telescopic extension rod of claim 1, wherein: the inside central point of butt joint post (7) puts the fixed butt joint hole (13) that is provided with, and butt joint hole (13) fixed setting is the quad slit, the big or small shape of external diameter of changeing post (8) sets up the same with the big or small shape of internal diameter of butt joint hole (13).

5. The butterfly valve with the telescopic extension rod of claim 1, wherein: the outer cover pipe is characterized in that a rotating piece (9) is fixedly arranged in the middle of the upper surface of the outer cover pipe (3), the butt joint column (7) is rotatably connected with the middle of the upper surface of the outer cover pipe (3) through the rotating piece (9), and the inner wall of the outer cover pipe (3) is attached to the outer surface of the vertical pipe (2).

6. The butterfly valve with the telescopic extension rod of claim 1, wherein: the valve plate (10) is arranged in the middle of the pipe body of the valve body (1), the middle of the upper surface of the valve plate (10) is fixedly connected with the lower end of the rotary column (8), and the pipe length of the valve body (1) is larger than the diameter of the valve plate (10).

7. The butterfly valve with the telescopic extension rod of claim 1, wherein: the fixed surface of the dish body of ring flange (6) is provided with screw (12), screw (12) are provided with a plurality ofly along the dish body circumference equidistance of ring flange (6), both sides the structure setting of ring flange (6) is the same.