CN213236099U

CN213236099U - Flange type telescopic butterfly valve

Info

Publication number: CN213236099U
Application number: CN202021717993.1U
Authority: CN
Inventors: 陈飞; 舒敏
Original assignee: Hangzhou Huili Technology Co ltd
Current assignee: Hangzhou Huili Technology Co ltd
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-18
Anticipated expiration: 2030-08-18

Abstract

The utility model discloses a flange type telescopic butterfly valve, which comprises a butterfly valve body and a transmission seat, wherein the transmission seat is arranged at the upper end of the butterfly valve body, a fixed sleeve is fixedly arranged on the surface of the inner upper end of the transmission seat, a hollow sleeve is fixedly arranged on the inner side surface of the fixed sleeve, a sliding sleeve is fixedly arranged inside the hollow sleeve, a square sliding rod is slidably arranged on the inner side surface of the sliding sleeve, a limiting rod is fixedly arranged at one end of the square sliding rod, a spring is attached to the surface of the sliding sleeve, a baffle is fixedly arranged at one end of the square sliding rod, a bearing is fixedly arranged on the inner side surface of the transmission seat, a clamping sleeve is fixedly arranged on the inner side surface of the bearing, a gear is fixedly arranged on the surface of the clamping sleeve, the runner is loosened, and the spring can drive the limiting rod to clamp the semicircular groove at the edge of, provides great help for people.

Description

Flange type telescopic butterfly valve

Technical Field

The utility model belongs to the technical field of the butterfly valve technique and specifically relates to a flange formula butterfly valve that stretches out and draws back is related to.

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 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 butterfly valve is a valve which uses a disc type opening and closing piece to rotate back and forth by about 90 degrees to open, close or adjust the medium flow. The butterfly valve has the advantages of simple structure, small volume, light weight, less material consumption, small installation size, small driving moment, simple and convenient operation and rapidness, and simultaneously has good flow regulation function and sealing closing characteristic, thereby being one of the fastest valve varieties developed in the last ten years. Butterfly valve can lead to the valve plate to take place slight deflection when using because outside pressure, and current butterfly valve does not have stop device mostly, only carries on spacingly through the frictional force of self, uses the back for a long time, leads to revealing easily.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a flange formula butterfly valve that stretches out and draws back to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a flange type telescopic butterfly valve comprises a butterfly valve body and a transmission seat, wherein the transmission seat is arranged at the upper end of the butterfly valve body, a fixed sleeve is fixedly arranged on the surface of the upper end of the inner side of the transmission seat, a hollow sleeve is fixedly arranged on the inner side surface of the fixed sleeve, a sliding sleeve is fixedly arranged inside the hollow sleeve, a square sliding rod is slidably arranged on the inner side surface of the sliding sleeve, a limiting rod is fixedly arranged at one end of the square sliding rod, a spring is attached to the surface of the sliding sleeve, a baffle is fixedly arranged at one end of the square sliding rod, a bearing is fixedly arranged on the inner side surface of the transmission seat, a clamping sleeve is fixedly arranged on the inner side surface of the bearing, a gear is fixedly arranged on the surface of the clamping sleeve, a transmission shaft is fixedly connected to the inner side of the clamping sleeve, a push plate is fixedly arranged, the valve rod is characterized in that a valve plate is fixedly arranged at one end of the valve rod, and a rotary disc is fixedly arranged at the other end of the valve rod.

As a preferred technical scheme of the utility model, carousel upper end surface is the annular and is equipped with the meshing groove, and the meshing groove is connected with gear engagement, and the carousel edge is equipped with a plurality of semicircular groove, and gag lever post and semicircular groove looks adaptation.

As an optimized technical scheme of the utility model, push pedal sliding connection is inboard in the cavity sleeve.

As a preferred technical scheme of the utility model, the transmission shaft surface is equipped with a plurality of and inlays the groove, and the block cover inside surface is equipped with a plurality of block bead, and block bead and inlay groove looks adaptation.

As a preferred technical scheme of the utility model, cavity sleeve lower extreme surface is equipped with logical groove, and gag lever post sliding connection is in leading to the inslot side.

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

1. the flange type telescopic butterfly valve is characterized in that a rotating wheel is pushed to abut against a baffle plate at one end of a square sliding rod through a push plate at one end of a transmission shaft, so that the square sliding rod is pushed to slide in a sliding sleeve, a limiting rod is separated from a semicircular groove at the edge of a rotary table, then the rotating wheel is rotated to drive the transmission shaft to rotate so as to drive a gear on the surface of a clamping sleeve to rotate, an engaging groove is annularly formed in the upper end surface of the rotary table and is in meshed connection with the gear, so that the rotary table is driven to rotate to indirectly drive a valve rod to rotate, a valve plate;

2. this kind of flange formula butterfly valve that stretches out and draws back loosens the runner, and the spring can drive the gag lever post and block the semicircular groove at carousel edge once more and fix to prevent the valve plate skew, structure scientific and reasonable, convenience safe in utilization provides very big help for people.

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 view of a flange type telescopic butterfly valve according to the present invention;

fig. 2 is a schematic view of an internal structure of a transmission seat according to the present invention;

fig. 3 is a schematic view of the internal structure of a hollow sleeve according to the present invention;

fig. 4 is a schematic side view of the transmission shaft according to the present invention.

In the figure: 1. a transmission seat; 2. a drive shaft; 3. a rotating wheel; 4. a valve stem; 5. a butterfly valve body; 6. a valve plate; 7. a turntable; 8. a limiting rod; 9. a bearing; 10. a clamping sleeve; 11. a gear; 12. fixing a sleeve; 13. a hollow sleeve; 14. a square slide bar; 15. a sliding sleeve; 16. a spring; 17. a baffle plate; 18. a push plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a flange type telescopic butterfly valve comprises a butterfly valve body 5 and a transmission seat 1, wherein the transmission seat 1 is arranged at the upper end of the butterfly valve body 5, a fixed sleeve 12 is fixedly arranged on the surface of the inner upper end of the transmission seat 1, a hollow sleeve 13 is fixedly arranged on the surface of the inner side of the fixed sleeve 12, a sliding sleeve 15 is fixedly arranged in the hollow sleeve 13, a square sliding rod 14 is slidably arranged on the surface of the inner side of the sliding sleeve 15, a limiting rod 8 is fixedly arranged at one end of the square sliding rod 14, a push plate 18 at one end of a transmission shaft 2 is used for pushing a rotating wheel 3 to abut against a baffle 17 at one end of the square sliding rod 14, so that the square sliding rod 14 is pushed to slide in the sliding sleeve 15, the limiting rod 8 is separated from a semicircular groove at the edge of a rotating disc 7, a spring 16 is attached to the surface of the sliding sleeve 15, the spring 16 can drive the limiting, the fixed bearing 9 that is equipped with of 1 inboard fixed surface of transmission seat, the fixed clamping sleeve 10 that is equipped with of 9 inboard fixed surface of bearing, the fixed gear 11 that is equipped with of 10 surface of clamping sleeve, the inboard block connection of clamping sleeve 10 is equipped with

transmission shaft

2, 2 one end of transmission shaft are fixed and are equipped with

push pedal

18, 2 other ends of transmission shaft are fixed and are equipped with runner 3, thereby rotatory runner 3 drives the transmission shaft 2 rotatory gear 11 that drives the clamping sleeve 10 surface rotatory, 5 inboard rotations of butterfly valve body are equipped with valve rod 4, the fixed valve plate 6 that is equipped with of 4 one ends of valve rod, 4 other ends of valve rod are fixed and are equipped with

carousel

7, 7 rotatory indirect drive valve rod 4 rotations of carousel, thereby open valve plate 6, loosen runner 3 this moment, 7 rotatory indirect drive valve.

The utility model discloses, preferably, 7 upper end surfaces of carousel are the annular and are equipped with the meshing groove, and the meshing groove is connected with the 11 meshing of gear, and 7 edges of carousel are equipped with a plurality of semicircular groove, and gag lever post 8 and semicircular groove looks adaptations.

The utility model discloses, preferably, push pedal 18 sliding connection is inboard in hollow sleeve 13.

The utility model discloses, preferred, 2 surfaces of transmission shaft are equipped with a plurality of and inlay the groove, and 10 inboard surfaces of block cover are equipped with a plurality of block beads, and block bead and inlay groove looks adaptation.

The utility model discloses, preferred, hollow sleeve 13 lower extreme surface is equipped with logical groove, and 8 sliding connection of gag lever post are in leading to the inslot side.

The specific principle is as follows: during the use, promote runner 3 and support the baffle 17 of square slide bar 14 one end through the push pedal 18 of 2 one ends of transmission shaft, thereby promote square slide bar 14 and slide in slip cap 15 is inside, make gag lever post 8 break away from the semicircular groove at carousel 7 edges, thereby later rotatory runner 3 drives the rotatory gear 11 that drives the surface of transmission shaft 2 and drive clamping sleeve 10 rotatory, carousel 7 upper end surface is the annular and is equipped with the meshing groove, and the meshing groove is connected with the meshing of gear 11, thereby it is rotatory indirectly to drive 7 rotations of carousel, thereby open valve plate 6, loosen runner 3 this moment, spring 16 can drive 8 semicircular groove that block carousel 7 edges once more and fix, thereby prevent 6 squints of valve plate.

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 flange type telescopic butterfly valve comprises a butterfly valve body (5) and a transmission seat (1), and is characterized in that the transmission seat (1) is arranged at the upper end of the butterfly valve body (5), a fixed sleeve (12) is fixed on the inner upper end surface of the transmission seat (1), a hollow sleeve (13) is fixed on the inner side surface of the fixed sleeve (12), a sliding sleeve (15) is fixedly arranged inside the hollow sleeve (13), a square sliding rod (14) is arranged on the inner side surface of the sliding sleeve (15) in a sliding manner, a limiting rod (8) is fixedly arranged at one end of the square sliding rod (14), a spring (16) is arranged on the surface of the sliding sleeve (15) in a laminating manner, a baffle (17) is fixedly arranged at one end of the square sliding rod (14), a bearing (9) is arranged on the inner side surface of the transmission seat (1), and a clamping sleeve (10) is fixedly, fixed surface of clamp sleeve (10) is equipped with gear (11), the inboard block of clamp sleeve (10) is connected and is equipped with transmission shaft (2), transmission shaft (2) one end is fixed and is equipped with push pedal (18), transmission shaft (2) other end is fixed and is equipped with runner (3), butterfly valve body (5) inboard is rotated and is equipped with valve rod (4), valve rod (4) one end is fixed and is equipped with valve plate (6), valve rod (4) other end is fixed and is equipped with carousel (7).

2. The flange-type butterfly expansion valve of claim 1, wherein: the upper end surface of the rotary table (7) is annularly provided with a meshing groove, the meshing groove is meshed with the gear (11), the edge of the rotary table (7) is provided with a plurality of semicircular grooves, and the limiting rod (8) is matched with the semicircular grooves.

3. The flange-type butterfly expansion valve of claim 1, wherein: the push plate (18) is connected to the inner side of the hollow sleeve (13) in a sliding manner.

4. The flange-type butterfly expansion valve of claim 1, wherein: the surface of the transmission shaft (2) is provided with a plurality of embedding grooves, the inner side surface of the clamping sleeve (10) is provided with a plurality of clamping convex edges, and the clamping convex edges are matched with the embedding grooves.

5. The flange-type butterfly expansion valve of claim 1, wherein: the lower end surface of the hollow sleeve (13) is provided with a through groove, and the limiting rod (8) is connected to the inner side of the through groove in a sliding mode.