CN211624335U

CN211624335U - Flexible seal telescopic butterfly valve

Info

Publication number: CN211624335U
Application number: CN201922262414.2U
Authority: CN
Inventors: 夏金磊
Original assignee: Tianjin Walker Valve Co ltd
Current assignee: Tianjin Walker Valve Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-10-02
Anticipated expiration: 2029-12-17

Abstract

The utility model discloses a flexible seal expansion butterfly valve, which relates to the technical field of butterfly valves and comprises a valve body and a communication valve port arranged on the side surface of the valve body, wherein one end of the inner side of the communication valve port is provided with an expansion movable pipe, one end of the expansion movable pipe is fixedly provided with a connecting flange plate, one end of the connecting flange plate is fixedly provided with a transmission block, the other end of the connecting flange plate is fixedly provided with a limit block, one end of the valve body is fixedly provided with a first fixed seat, the side surface of the first fixed seat is fixedly provided with a bearing, one end of the bearing is rotationally connected with a transmission screw rod, the utility model can drive the expansion movable pipe to move by the rotation of the transmission screw rod, thereby the expansion movable pipe can extend outwards or contract inwards on the valve body, the whole length of the butterfly valve can be conveniently adjusted to the required length, and, the working efficiency of the overall length adjustment of the butterfly valve is improved.

Description

Flexible seal telescopic butterfly valve

Technical Field

The utility model relates to a butterfly valve technical field specifically is a flexible seal butterfly valve that stretches out and draws back.

Background

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 pipe mainly plays a role in cutting off and throttling. The butterfly valve is a simple structure regulating valve, and the butterfly valve used for the on-off control of low-pressure pipeline medium is a valve which is opened and closed by rotating around a valve shaft, and the telescopic butterfly valve is used as a component for realizing the on-off and flow control of a pipeline system and is widely applied in many fields of petroleum, chemical engineering, metallurgy, water and electricity and the like, and the butterfly plate of the telescopic butterfly valve is arranged in the diameter direction of a pipeline. Within the cylindrical passage of the butterfly valve body, a disc-shaped butterfly plate rotates about an axis.

However, when the traditional telescopic butterfly valve is used, the whole length adjustment process of the butterfly valve is complex, the whole length of the butterfly valve is inconvenient to adjust to the required length, and the work efficiency of the whole length adjustment of the butterfly valve is reduced, so that the technical personnel in the field provide the flexible sealing telescopic butterfly valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible butterfly valve of soft seal to propose traditional flexible butterfly valve in the use among the solution above-mentioned background art, the whole length adjustment process of butterfly valve is comparatively loaded down with trivial details complicacy, and inconvenient whole length adjustment with the butterfly valve is to required length, has reduced the problem of the work efficiency of the whole length adjustment of butterfly valve.

In order to achieve the above object, the utility model provides a following technical scheme:

a flexible seal telescopic butterfly valve comprises a valve body and a communicating valve port arranged on the side face of the valve body, wherein a telescopic movable pipe is arranged at one end of the inner side of the communicating valve port, a connecting flange plate is fixedly arranged at one end of the telescopic movable pipe, a transmission block is fixedly arranged at one end of the connecting flange plate, a limiting block is fixedly arranged at the other end of the connecting flange plate, a first fixing seat is fixedly arranged at one end of the valve body, a second fixing seat is fixedly arranged at the other end of the valve body, a bearing is fixedly arranged on the side face of the first fixing seat, one end of the bearing is rotatably connected with a transmission screw, a guide rod is fixedly arranged at one end of the second fixing seat, a limiting ring is fixedly arranged at one end of the guide rod, an assembly seat is fixedly arranged at the upper end.

As a further aspect of the present invention: the surface position department of transmission piece has seted up the transmission screw, drive screw passes through in the transmission piece through the transmission screw, transmission piece and drive screw threaded connection.

As a further aspect of the present invention: the limiting device is characterized in that a limiting through hole is formed in the surface position of the limiting block, the rod diameter size of the guide rod is matched with the aperture size of the limiting through hole, and the guide rod movably penetrates through the limiting block through the limiting through hole.

As a further aspect of the present invention: and a rotating handle is fixedly arranged at one end of the transmission screw rod, and the cross section of the rotating handle is in a regular hexagon shape.

As a further aspect of the present invention: the valve rod seat is characterized in that a soft sealing gasket is fixedly arranged at the bottom surface position of the valve rod seat, the soft sealing gasket is a component made of rubber, a sealing groove is formed in the surface position of the assembling seat, and the size of the soft sealing gasket is matched with that of the sealing groove.

As a further aspect of the present invention: the outer side surface position of the valve body is fixedly provided with an installation block, and the surface position of the installation block is provided with an installation hole.

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

the utility model discloses flexible movable tube has been set up, the guide bar, the spacing ring, first fixing base, a bearing, drive screw, twist grip, the transmission piece, the transmission screw, the stopper, spacing through-hole and second fixing base, when the whole length of butterfly valve needs to be adjusted, it can drive flexible movable tube and remove to rotate through drive screw, thereby make flexible movable tube can outwards extend or inwards shrink on the valve body, be convenient for with the whole length adjustment of butterfly valve to required length, make the whole length adjustment of butterfly valve become more convenient simple, the work efficiency of the whole length adjustment of butterfly valve has been improved.

Drawings

FIG. 1 is a schematic perspective view of a flexible seal butterfly valve;

FIG. 2 is a schematic top view of a flexible seal butterfly valve;

FIG. 3 is an enlarged schematic view of part A of a flexible seal butterfly valve;

fig. 4 is a schematic side view of a flexible seal butterfly valve.

In the figure: 1. a valve body; 2. a communicating valve port; 3. a telescopic movable tube; 4. a guide bar; 401. a limiting ring; 5. connecting a flange plate; 6. a first fixed seat; 601. a bearing; 7. a drive screw; 701. rotating the handle; 8. a transmission block; 801. a transmission screw hole; 9. a valve stem seat; 901. a soft seal gasket; 10. mounting blocks; 11. mounting holes; 12. a limiting block; 121. a limiting through hole; 13. a second fixed seat; 14. assembling a seat; 141. the groove is sealed.

Detailed Description

Please refer to fig. 1-4, in the embodiment of the utility model, a flexible seal butterfly valve, including valve body 1 and the intercommunication valve port 2 of seting up in valve body 1 side, the inboard one end of intercommunication valve port 2 is provided with flexible movable tube 3, the fixed flange 5 that is provided with of one end of flexible movable tube 3, the fixed transmission block 8 that is provided with of one end of connection flange 5, the fixed stopper 12 that is provided with of the other end of connection flange 5, the fixed first fixing base 6 that is provided with of one end of valve body 1, the fixed second fixing base 13 that is provided with in other end of valve body 1, the fixed bearing 601 that is provided with in side of first fixing base 6, the one end of bearing 601 is rotated and is connected with drive screw 7, the fixed guide bar 4 that is provided with in one end of second fixing base 13, the fixed spacing ring 401 that is provided with in one end of guide bar 4, the fixed assembly seat 14 that is provided with.

In fig. 2 and 3: transmission screw 801 has been seted up to transmission block 8's surface position department, transmission screw 7 runs through in transmission block 8 through transmission screw 801,

transmission block

8 and 7 threaded connection of transmission screw, spacing through-hole 121 has been seted up to stopper 12's surface position department, the rod diameter size of guide bar 4 and the aperture size looks adaptation of spacing through-hole 121, guide bar 4 runs through in stopper 12 through spacing through-hole 121 activity, reached and made flexible movable tube 3 can carry out spacing movable purpose along guide bar 4.

In fig. 1: a rotating handle 701 is fixedly arranged at one end of the transmission screw rod 7, and the cross section of the rotating handle 701 is in a regular hexagon shape, so that the purpose of conveniently rotating the transmission screw rod 7 is achieved.

In fig. 4: the bottom surface of the valve stem base 9 is fixedly provided with a soft sealing gasket 901, the soft sealing gasket 901 is a rubber component, the surface of the assembly base 14 is provided with a sealing groove 141, the size of the soft sealing gasket 901 is matched with that of the sealing groove 141, and the purpose that the soft sealing gasket 901 can be matched and embedded into the sealing groove 141 is achieved.

In fig. 1: the outer side surface position department of valve body 1 is fixed and is provided with installation piece 10, and the surface position department of installation piece 10 has seted up mounting hole 11, has reached the purpose that can be with butterfly valve fixed mounting.

The utility model discloses a theory of operation is: in using this butterfly valve in-process, according to the user demand, when the whole length of butterfly valve is adjusted to needs, use twist grip 701 to rotate drive screw 7, guide bar 4 runs through in stopper 12 through spacing through-hole 121 activity, guide bar 4 can play good direction limiting displacement with stopper 12 mating reaction, drive screw 7 rotates and to drive flexible movable tube 3 and removes, thereby make flexible movable tube 3 can outwards extend or inwards shrink on valve body 1, finally make the whole length of butterfly valve can extend or shorten, be convenient for adjust the whole length of butterfly valve to required length.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A flexible seal telescopic butterfly valve comprises a valve body (1) and a communicating valve port (2) arranged on the side face of the valve body (1), and is characterized in that a telescopic movable pipe (3) is arranged at one end of the inner side of the communicating valve port (2), a connecting flange (5) is fixedly arranged at one end of the telescopic movable pipe (3), a transmission block (8) is fixedly arranged at one end of the connecting flange (5), a limit block (12) is fixedly arranged at the other end of the connecting flange (5), a first fixing seat (6) is fixedly arranged at one end of the valve body (1), a second fixing seat (13) is fixedly arranged at the other end of the valve body (1), a bearing (601) is fixedly arranged on the side face of the first fixing seat (6), a transmission screw (7) is rotatably connected at one end of the bearing (601), and a guide rod (4) is fixedly arranged at one end of the second fixing, the fixed spacing ring (401) that is provided with of one end of guide bar (4), the fixed assembly seat (14) that is provided with in upper end of valve body (1), the fixed valve rod seat (9) that is provided with in upper end of assembly seat (14).

2. The flexible sealing expansion butterfly valve according to claim 1, characterized in that a transmission screw hole (801) is formed in a surface position of the transmission block (8), the transmission screw (7) penetrates through the transmission block (8) through the transmission screw hole (801), and the transmission block (8) is in threaded connection with the transmission screw (7).

3. The flexible sealing expansion butterfly valve according to claim 1, wherein a limiting through hole (121) is formed in a surface position of the limiting block (12), the rod diameter size of the guide rod (4) is matched with the aperture size of the limiting through hole (121), and the guide rod (4) movably penetrates through the limiting block (12) through the limiting through hole (121).

4. The flexible sealing expansion butterfly valve according to claim 1, characterized in that a rotary handle (701) is fixedly arranged at one end of the drive screw (7), and the cross section of the rotary handle (701) is a regular hexagon.

5. The flexible seal butterfly valve according to claim 1, wherein a flexible seal gasket (901) is fixedly arranged at a bottom surface position of the valve stem seat (9), the flexible seal gasket (901) is a rubber member, a seal groove (141) is formed at a surface position of the assembly seat (14), and the size of the flexible seal gasket (901) is matched with the size of the seal groove (141).

6. The flexible sealing expansion butterfly valve according to claim 1, characterized in that a mounting block (10) is fixedly arranged at the outer side surface position of the valve body (1), and a mounting hole (11) is opened at the surface position of the mounting block (10).