CN213332420U

CN213332420U - Butterfly valve special for gas

Info

Publication number: CN213332420U
Application number: CN202022115778.0U
Authority: CN
Inventors: 梁世添
Original assignee: Biaosheng Valve Co ltd
Current assignee: Biaosheng Valve Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-01
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a special butterfly valve for gas, the top end of the butterfly valve body is fixedly connected with a valve, the outer end of the valve is fixedly connected with a placing block at equal intervals, the top end of the placing block is provided with a containing hole, one side position of the inner wall of the containing hole is rotationally connected with a rotating shaft, the outer end of the rotating shaft is fixedly connected with a fixed block, one end of the fixed block is fixedly connected with a handle, the two side positions of the placing block are both provided with chutes, the inside of each chute is fixedly connected with a guide rod, and the outer end of each guide rod is slidably connected with a limit block, the influence on the installation of the butterfly valve caused by overlong handle is avoided.

Description

Butterfly valve special for gas

Technical Field

The utility model relates to a gas equipment field specifically is a special butterfly valve of gas.

Background

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

as disclosed in the prior art, the explosion-proof butterfly valve special for gas has the application number (201420502450.6), and is designed for a gas pipeline for the integral structure of a novel special Chuan valve for the explosion-proof gas, and the explosion-proof butterfly valve has the advantages of simple structure, reasonable design and long service life;

however, the patent lacks a component for increasing the length of the handle, so that the butterfly valve is difficult to unscrew again when being screwed too tightly, and for the situations, in order to avoid the technical problems, a special gas butterfly valve is necessary to be provided to overcome the defects in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model provides a special butterfly valve of gas can effectively solve the subassembly that lacks the increase handle length that proposes among the above-mentioned background art, when leading to the wrong tension of butterfly valve, is difficult to the problem of unscrewing again.

In order to achieve the above object, the utility model provides a following technical scheme: a valve is fixedly connected to the top end of the butterfly valve body, a placing block is fixedly connected to the outer end of the valve at equal intervals, a containing hole is formed in the top end of the placing block, a rotating shaft is rotatably connected to one side of the inner wall of the containing hole, a fixing block is fixedly connected to the outer end of the rotating shaft, one end of the fixing block is fixedly connected with a handle, sliding grooves are formed in positions on two sides of the placing block, guide rods are fixedly connected to the inner portions of the sliding grooves, and limiting blocks are slidably connected to the outer ends of the guide rods;

the butterfly valve body bottom fixedly connected with connecting cylinder, connecting cylinder inner wall top position department rotates and is connected with the dish board, the mounting groove has been seted up to connecting cylinder inner wall both sides position department symmetry, mounting groove inner wall fixedly connected with spring, spring one end fixedly connected with movable block, movable block one end symmetry is rotated and is connected with the pivot seat, pivot seat outer end fixedly connected with deflector, deflector one end fixedly connected with seal cover.

The outer diameter of the handle is smaller than the inner diameter of the accommodating hole, and the outer end of the handle is provided with anti-skid grains.

The outer diameter of the disc plate is equal to the inner diameter of the connecting cylinder, the outer end of the disc plate is tightly attached to the inner wall of the connecting cylinder, and the two ends of the connecting cylinder are fixedly connected with connecting flanges.

The guide plate outer diameter is greater than the mounting groove inner diameter, and the guide plate outer end is the arc.

The connecting cylinder is characterized in that the two ends of the connecting cylinder are symmetrically and fixedly connected with positioning blocks, one end of each positioning block is fixedly connected with a screw rod seat, the inner wall of each screw rod seat is connected with a screw rod in a rotating mode, one end of each screw rod is connected with a limiting plate in a rotating mode, and embedded grooves are formed in positions on the two sides of the connecting cylinder.

The wear-resistant pad is pasted to the inboard one end of limiting plate, the inside rubber circle that is pasted of embedded groove.

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

1. be provided with and accomodate hole, pivot, handle, guide bar and stopper, through pivot and handle cooperation, be convenient for increase handle length to this makes the more convenient rotation valve of staff, avoids the valve tension, is difficult to rotate, and through accomodating hole and guide bar cooperation, is convenient for accomodate the handle when accomodating downthehole portion, slides the stopper with this and carries on spacingly to the handle, avoids the handle overlength to cause the influence to the installation of butterfly valve.

2. Be provided with spring, movable block, pivot seat, deflector and seal cover, through spring and movable block for when the dish board was closed, through the deflector, the dish board outer end of being convenient for drove the movable block compression, and through the bounce of spring, the movable block of being convenient for drove the seal cover, sealed the dish board outer end, thereby made the butterfly valve possess higher leakproofness.

3. Be provided with screw rod seat, screw rod, limiting plate and embedded groove, through the screw rod seat, the screw rod of being convenient for drives the limiting plate, consolidates spacingly to the outside fixed subassembly of connecting cylinder to through the embedded groove, be convenient for be connected connecting cylinder and external component, simultaneously because the limiting plate extrudees the inside sealing washer of embedded groove, make the connecting cylinder possess better leakproofness.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the handle of the present invention;

fig. 3 is a schematic view of the installation of the limiting plate of the present invention;

fig. 4 is a schematic view of the installation of the spring of the present invention;

FIG. 5 is a schematic view of the installation of the area A of FIG. 4 according to the present invention;

reference numbers in the figures: 1. a butterfly valve body; 2. a valve; 3. placing the blocks; 4. a receiving hole; 5. a rotating shaft; 6. a fixed block; 7. a handle; 8. a chute; 9. a guide bar; 10. a limiting block; 11. a connecting cylinder; 12. a plate; 13. mounting grooves; 14. a spring; 15. a movable block; 16. a rotating shaft seat; 17. a guide plate; 18. sealing sleeves; 19. positioning blocks; 20. a screw seat; 21. a screw; 22. a limiting plate; 23. and a groove is embedded.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-5, the utility model provides a technical scheme, a special butterfly valve for gas, including butterfly valve body 1, butterfly valve body 1 top fixedly connected with valve 2, valve 2 outer end equidistance fixedly connected with place the piece 3, place the piece 3 top and seted up and accomodate hole 4, accomodate hole 4 inner wall one side position department and rotate and be connected with pivot 5, pivot 5 outer end fixedly connected with fixed block 6, fixed block 6 one end fixedly connected with handle 7, be convenient for accomodate handle 7, handle 7 external diameter is less than the internal diameter of accomodating hole 4, and handle 7 outer end has seted up anti-skidding line, place piece 3 both sides position department and have seted up spout 8, spout 8 internal fixedly connected with guide bar 9, guide bar 9 outer end sliding connection has stopper 10;

1 bottom fixedly connected with connecting cylinder 11 of butterfly valve body, 11 inner wall top position departments of connecting cylinder rotate and are connected with dish board 12, be convenient for seal connecting cylinder 11 to dish board 12, dish board 12 external diameter equals the internal diameter of connecting cylinder 11, and the 12 outer ends of dish board closely laminate with the 11 inner walls of connecting cylinder, and the equal fixedly connected with flange in connecting cylinder 11 both ends, mounting groove 13 has been seted up to 11 inner wall both sides position departments of connecting cylinder symmetry, mounting groove 13 inner wall fixedly connected with

spring

14, 14 one end fixedly connected with movable block 15 of spring, 15 one end symmetry rotations of movable block are connected with

pivot seat

16, 16 outer ends fixedly connected with deflector 17 of pivot seat, be convenient for rotate dish board 12, deflector 17 external diameter is greater than mounting groove 13 internal diameter, and deflector 17 outer end is the arc, deflector 17 one end fixedly connected with seal cover 18.

11 both ends symmetry fixedly connected with locating piece 19 of connecting cylinder, 19 one end fixedly connected with screw rod seats 20 of locating piece, 20 inner walls of screw rod seats rotate and are connected with

screw rod

21, 21 one ends of screw rod rotate and are connected with limiting plate 22, are convenient for seal connecting cylinder 11, and embedded groove 23 has all been seted up to 11 both sides side position departments of connecting cylinder, and the connecting cylinder 11 of being convenient for is fixed with the installation of external component, and the inboard one end of limiting plate 22 is pasted and is had the abrasion pad, and embedded groove 23 is inside to be pasted and is had the rubber circle.

The utility model discloses a theory of operation and use flow: firstly, the limiting plate 22 is pushed to enable the limiting plate 22 to slide at the outer end of the guide rod 9, when the limiting block 10 slides to the bottom end of the placing block 3, the handle 7 is released from limiting, then the handle 7 is pulled, the rotating shaft 5 drives the handle 7 to be pulled out from the inside of the accommodating hole 4, and therefore the length of the handle 7 is increased, a worker can more conveniently rotate the valve 2, and the problem that the valve 2 is too tight and difficult to rotate is avoided;

secondly, when the valve 2 drives the disc plate 12 to close and the outer end of the disc plate 12 contacts the surface of the guide plate 17, the outer end of the butterfly valve body 1 conveniently drives the movable block 15 to compress, so that the movable block 15 drives the spring 14 to compress, and the movable block 15 drives the sealing sleeve 18 to extrude towards the outer end of the disc plate 12 due to the rebound force of the spring 14, so that the outer end of the disc plate 12 is conveniently sealed, and the butterfly valve body 1 has higher sealing performance;

then, install through the flange at connecting cylinder 11 both ends and external component, rotate screw rod 21 for screw rod 21 rotates in screw rod seat 20 is inside, thereby makes screw rod 21 drive limiting plate 22 and consolidates spacingly to the fixed subassembly in outside, extrudees the inside sealing washer of embedded groove 23 simultaneously, makes connecting cylinder 11 possess better leakproofness.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a special butterfly valve of gas, includes butterfly valve body (1), its characterized in that: the butterfly valve is characterized in that a valve (2) is fixedly connected to the top end of the butterfly valve body (1), placing blocks (3) are fixedly connected to the outer end of the valve (2) at equal intervals, a containing hole (4) is formed in the top end of the placing block (3), a rotating shaft (5) is rotatably connected to one side of the inner wall of the containing hole (4), a fixing block (6) is fixedly connected to the outer end of the rotating shaft (5), a handle (7) is fixedly connected to one end of the fixing block (6), sliding grooves (8) are formed in positions of two sides of the placing block (3), guide rods (9) are fixedly connected to the inner portions of the sliding grooves (8), and limiting blocks (10) are;

butterfly valve body (1) bottom fixedly connected with connecting cylinder (11), connecting cylinder (11) inner wall top position department rotates and is connected with dish board (12), mounting groove (13) have been seted up to connecting cylinder (11) inner wall both sides position department symmetry, mounting groove (13) inner wall fixedly connected with spring (14), spring (14) one end fixedly connected with movable block (15), movable block (15) one end symmetry is rotated and is connected with pivot seat (16), pivot seat (16) outer end fixedly connected with deflector (17), deflector (17) one end fixedly connected with seal cover (18).

2. The butterfly valve for gas of claim 1, wherein: the outer diameter of the handle (7) is smaller than the inner diameter of the accommodating hole (4), and the outer end of the handle (7) is provided with anti-skid grains.

3. The butterfly valve for gas of claim 1, wherein: dish board (12) external diameter equals the internal diameter of connecting cylinder (11), and dish board (12) outer end and closely laminate with connecting cylinder (11) inner wall, and the equal fixedly connected with flange in connecting cylinder (11) both ends.

4. The butterfly valve for gas of claim 1, wherein: the outer diameter of the guide plate (17) is larger than the inner diameter of the mounting groove (13), and the outer end of the guide plate (17) is arc-shaped.

5. The butterfly valve for gas of claim 1, wherein: connecting cylinder (11) both ends symmetry fixedly connected with locating piece (19), locating piece (19) one end fixedly connected with screw rod seat (20), screw rod seat (20) inner wall rotates and is connected with screw rod (21), screw rod (21) one end rotates and is connected with limiting plate (22), embedded groove (23) have all been seted up to connecting cylinder (11) both sides side position department.

6. The butterfly valve for gas according to claim 5, wherein: the wear-resistant pad is pasted to the inboard one end of limiting plate (22), the inside rubber circle that is pasted of embedded groove (23).