CN213954483U

CN213954483U - Telescopic metal seal butterfly valve

Info

Publication number: CN213954483U
Application number: CN202022720829.2U
Authority: CN
Inventors: 陈春健; 宋中立; 李冠中; 潘林
Original assignee: China Valve Holdings Group Co ltd
Current assignee: China Valve Holdings Group Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-08-13
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a telescopic metal seal butterfly valve, the on-line screen storage device comprises a base, the butterfly valve main part has been placed to the top of base, the upper surface joint of butterfly valve main part has the valve rod, the left surface fixedly connected with flange of butterfly valve main part, the cavity has been seted up to the right flank of butterfly valve main part, the inside joint of cavity has the slip ring, flexible pipe has been placed on the right side of butterfly valve main part, the left end of flexible pipe and the right flank fixed connection of slip ring. This telescopic metal seal butterfly valve, through mutually supporting of cavity and slip ring, make flexible pipe more steady in the inside slip of cavity, improved the device's product quality, through keeping off mutually supporting of ring and alloy pipe, make alloy pipe and fender ring in close contact with, play sealed effect, prevent to leak, can realize the flexible to this butterfly valve through mutually supporting of threaded rod and flexible pipe, increased the device's practicality, the person of facilitating the use is connected with the device.

Description

Telescopic metal seal butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve, especially, relate to a telescopic metal seal butterfly valve.

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 part (valve clack or butterfly plate) which is a disc and rotates around a valve shaft to open and close, the valve can be used for controlling the flow of various fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly plays the roles of cutting off and throttling on a pipeline, the butterfly valve opening and closing part is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in a valve body so as to achieve the purposes of opening, closing and adjusting, the existing butterfly valve has single function and no telescopic function, and when a user connects the butterfly valve, the butterfly valve can not be well connected, the requirements of the user can not be well met, inconvenience is brought to the user, therefore, in order to solve the problems, a telescopic metal sealing butterfly valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a, aim at solving above-mentioned existing butterfly valve function singleness that exists at present, the butterfly valve does not have flexible function, can't realize when the user is carrying out the butterfly valve connection that the user is fine to its connection, and the user requirement that satisfies that can not be fine has brought inconvenience, inconvenient user's installation problem for the user.

The utility model is realized in such a way, a telescopic metal seal butterfly valve, which comprises a base, a butterfly valve main body is placed above the base, a valve rod is clamped on the upper surface of the butterfly valve main body, a connecting flange is fixedly connected on the left side surface of the butterfly valve main body, a cavity is arranged on the right side surface of the butterfly valve main body, a sliding ring is clamped inside the cavity, a telescopic pipe is placed on the right side of the butterfly valve main body, the left end of the telescopic pipe is fixedly connected with the right side surface of the sliding ring, a left flange is fixedly connected on the right side surface of the butterfly valve main body, a retaining ring is fixedly connected on the right side surface of the butterfly valve main body, a right flange is fixedly connected on the right end surface of the telescopic pipe, symmetrical threaded holes are arranged on the right side surface of the left flange, symmetrical fixed bearings are fixedly embedded on the right side surface of the right flange, and threaded rods are fixedly connected with the inner rings of each fixed bearing, two the left end of threaded rod runs through two screw holes respectively and extends to the left side of left flange, two the surface of threaded rod respectively with the inner circle threaded connection of two screw holes, the air vent has been seted up to the upper surface of butterfly valve main part, the exhaust hole has been seted up to the upper surface of flexible pipe.

Preferably, the inner wall of the extension tube is fixedly connected with an alloy tube, and the inner wall of the alloy tube is in close contact with the outer surface of the baffle ring.

Preferably, a knob is placed above the valve rod, and the bottom surface of the knob is fixedly connected with the top end of the valve rod.

Preferably, the upper surface of the base is fixedly connected with a cushion block, and the upper surface of the cushion block is fixedly connected with the bottom surface of the butterfly valve main body.

Preferably, a stop block is placed on the left side of each threaded rod, and the right side faces of the two stop blocks are fixedly connected with the left ends of the two threaded rods respectively.

Preferably, the right side surface of the butterfly valve main body is fixedly connected with a sealing ring, and the outer surface of the sealing ring is in contact with the inner wall of the alloy pipe.

Preferably, the label is placed on the front face of the butterfly valve main body, and the front face of the label is fixedly connected with the front face of the butterfly valve main body.

Compared with the prior art, the beneficial effects of the utility model are that: can make the device's fixed more firm through the base, increase the device's stability, utilize mutually supporting of fixing bearing and screw hole, make the fixed more firm of threaded rod, make the removal of right flange more stable, through mutually supporting of cavity and slip ring, make flexible pipe more steady in the inside slip of cavity, the device's product quality has been improved, through keeping off the mutually supporting of ring and alloy pipe, make the alloy pipe and keep off ring in close contact with, play sealed effect, prevent to leak, can realize the flexible to this butterfly valve through mutually supporting of threaded rod and flexible pipe, the device's practicality has been increased, the person of facilitating the use is connected with the device, utilize being connected of right flange person of facilitating the use and connecting pipe, save time for the user, and the efficiency is improved.

Drawings

Fig. 1 is a cross-sectional view of the butterfly valve main body of the present invention;

fig. 2 is a top view of the butterfly valve body of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

In the figure: 1. a base; 2. a label; 3. cushion blocks; 4. a stopper; 5. a left flange; 6. a threaded rod; 7. fixing the bearing; 8. a telescopic pipe; 9. an exhaust hole; 10. a right flange; 11. a valve stem; 12. rotating a handle; 13. a butterfly valve body; 14. a connecting flange; 15. a slip ring; 16. a vent hole; 17. a threaded hole; 18. an alloy pipe; 19. a seal ring; 20. a baffle ring; 21. a cavity.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, a telescopic metal seal butterfly valve comprises a base 1, a butterfly valve main body 13 is placed above the base 1, a valve rod 11 is clamped on the upper surface of the butterfly valve main body 13, a connecting flange 14 is fixedly connected to the left side surface of the butterfly valve main body 13, a cavity 21 is formed in the right side surface of the butterfly valve main body 13, a sliding ring 15 is clamped in the cavity 21, an extension tube 8 is placed on the right side of the butterfly valve main body 13, the left end of the extension tube 8 is fixedly connected with the right side surface of the sliding ring 15, a left flange 5 is fixedly connected to the right side surface of the butterfly valve main body 13, a baffle ring 20 is fixedly connected to the right side surface of the butterfly valve main body 13, a right flange 10 is fixedly connected to the right end of the extension tube 8, symmetrical threaded holes 17 are formed in the right side surface of the left flange 5, symmetrical fixed bearings 7 are fixedly embedded, the left ends of the two threaded rods 6 penetrate through the two threaded holes 17 respectively and extend to the left side of the left flange 5, the outer surfaces of the two threaded rods 6 are connected with the inner ring threads of the two threaded holes 17 respectively, the upper surface of the butterfly valve main body 13 is provided with a vent hole 16, and the upper surface of the telescopic pipe 8 is provided with an exhaust hole 9.

The utility model discloses in, the inner wall fixedly connected with alloy pipe 18 of flexible pipe 8, the inner wall of alloy pipe 18 and the surface in close contact with that keeps off ring 20, it is more wear-resisting durable to use aluminum alloy pipe 18 to make flexible pipe 8, the knob 12 has been placed to the top of valve rod 11, the knob 12 the bottom surface and the top fixed connection of valve rod 11, make things convenient for the staff to the operation of valve rod 11 through the knob 12, save staff's physical power, base 1's last fixed surface is connected with cushion 3, the upper surface of cushion 3 and the bottom surface fixed connection of butterfly valve main part 13, protect butterfly valve main part 13 through cushion 3, prevent the damage of butterfly valve main part 13.

Dog 4 has all been placed in the left side of every threaded rod 6, the right flank of two dog 4 respectively with the left end fixed connection of two threaded rods 6, it is spacing to threaded rod 6 through dog 4, prevent that the screwed pipe from the inside slippage of screw hole 17, the right flank fixedly connected with sealing ring 19 of butterfly valve main part 13, the surface of sealing ring 19 contacts with the inner wall of alloy pipe 18, it is better to make the leakproofness of this butterfly valve main part 13 through sealing ring 19, the device's quality has been improved, sign 2 has been placed in the front of butterfly valve main part 13, the front of sign 2 and butterfly valve main part 13's front fixed connection, make the staff to the device understanding more through sign 2, improve staff's factor of safety.

The utility model discloses a theory of operation is: during the use, through base 1 with the device and bottom surface fixed connection, then utilize flange 14 to be connected with the connecting pipe, through the rotation of rotatory threaded rod 6, make threaded rod 6 can remove to the left side or to the right side, move to the right side when right flange 10, drive flexible pipe 8 simultaneously and move to the right side, slip ring 15 slides in the inside of cavity 21, move to the right, utilize air vent 16 and exhaust hole 9 to make the inside air of cavity 21 flow, when extending right flange 10 to a certain position, utilize right flange 10 and connecting pipe interconnect, provide convenience for the user.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a telescopic metal seal butterfly valve, includes base (1), its characterized in that: the butterfly valve is characterized in that a butterfly valve body (13) is placed above the base (1), a valve rod (11) is connected to the upper surface of the butterfly valve body (13) in a clamping mode, a connecting flange (14) is fixedly connected to the left side surface of the butterfly valve body (13), a cavity (21) is formed in the right side surface of the butterfly valve body (13), a sliding ring (15) is clamped inside the cavity (21), a telescopic pipe (8) is placed on the right side of the butterfly valve body (13), the left end of the telescopic pipe (8) is fixedly connected with the right side surface of the sliding ring (15), a left flange (5) is fixedly connected to the right side surface of the butterfly valve body (13), a retaining ring (20) is fixedly connected to the right side surface of the butterfly valve body (13), a right flange (10) is fixedly connected to the right end of the telescopic pipe (8), and symmetrical threaded holes (17) are formed in the right side surface of the left flange (5), the fixed inlaying of right flank of right side flange (10) has symmetrical fixing bearing (7), every the equal fixedly connected with threaded rod (6) of inner circle of fixing bearing (7), two the left end of threaded rod (6) runs through two screw holes (17) respectively and extends to the left side of left flange (5), two the surface of threaded rod (6) respectively with the inner circle threaded connection of two screw holes (17), air vent (16) have been seted up to the upper surface of butterfly valve main part (13), exhaust hole (9) have been seted up to the upper surface of flexible pipe (8).

2. The telescoping metal seal butterfly valve of claim 1, wherein: the inner wall of the extension tube (8) is fixedly connected with an alloy tube (18), and the inner wall of the alloy tube (18) is in close contact with the outer surface of the baffle ring (20).

3. The telescoping metal seal butterfly valve of claim 1, wherein: a knob (12) is placed above the valve rod (11), and the bottom surface of the knob (12) is fixedly connected with the top end of the valve rod (11).

4. The telescoping metal seal butterfly valve of claim 1, wherein: the upper surface of the base (1) is fixedly connected with a cushion block (3), and the upper surface of the cushion block (3) is fixedly connected with the bottom surface of the butterfly valve main body (13).

5. The telescoping metal seal butterfly valve of claim 1, wherein: every dog (4) have all been placed in the left side of threaded rod (6), two the right flank of dog (4) respectively with the left end fixed connection of two threaded rods (6).

6. The telescoping metal seal butterfly valve of claim 2, wherein: the right side face of the butterfly valve main body (13) is fixedly connected with a sealing ring (19), and the outer surface of the sealing ring (19) is in contact with the inner wall of the alloy pipe (18).

7. The telescoping metal seal butterfly valve of claim 1, wherein: the label (2) is placed on the front face of the butterfly valve main body (13), and the front face of the label (2) is fixedly connected with the front face of the butterfly valve main body (13).