CN214367791U

CN214367791U - Butterfly valve with small operating torque and convenient maintenance

Info

Publication number: CN214367791U
Application number: CN202022212536.3U
Authority: CN
Inventors: 涂旭辉; 唐思琪
Original assignee: Guangxi Ruixiang Electric Power Technology Co ltd
Current assignee: Guangxi Ruixiang Electric Power Technology Co ltd
Priority date: 2020-10-06
Filing date: 2020-10-06
Publication date: 2021-10-08
Anticipated expiration: 2030-10-06

Abstract

The utility model discloses a butterfly valve that operating torque is convenient for maintain, including valve body, connecting block, center pin, brake pads and connection rubber piece, the inboard central point of valve body puts and is provided with the valve block, and the intermediate position of valve body top and bottom all is provided with the connecting block, the intermediate position of connecting block top center pin is provided with the connection rubber piece, and the intermediate position on center pin top is provided with the brake pads, the inboard intermediate position of connecting rubber piece bottom connecting block is provided with the cavity, and the inboard intermediate position of cavity is provided with the spacing ring, and one side of spacing ring is provided with the connecting block. The utility model discloses the spacing ring that utilizes the inboard cavity of connecting block to set up mutually supports with the leak protection sheet rubber and can prescribe a limit to the rotation of center pin to guarantee the rotatory stationarity of the inboard valve block of valve body, prevent to rust after long-term the use and lead to the pivoted card to pause, improve the inboard valve block pivoted smoothness nature of valve body.

Description

Butterfly valve with small operating torque and convenient maintenance

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve that operating torque is little is convenient for maintain.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, can be used for on-off control of low-pressure pipeline media, and is a valve, the closing part of which is a disk and rotates around a valve shaft to open and close, and 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, certain problems and defects still exist in the using process of the existing butterfly valve, and the specific problems are as follows:

1. the existing butterfly valve is rusted after long-term use to cause the rotation blockage, and the smoothness of the rotation of a valve plate at the inner side of the valve body is not enough;

2. the existing butterfly valve is inconvenient to disassemble and assemble and disassemble for maintenance, so that the service life of the device is shortened;

3. the existing butterfly valve cannot realize small-torque operation, and the practicability of the butterfly valve is weakened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly valve that operating torque is little is convenient for maintain to use the back to rust to lead to the pivoted card to pause after solving for a long time and proposing in the above-mentioned background art, inboard valve block pivoted smoothness nature of valve body is not enough, and the inconvenient dismantlement installation of device is inconvenient to get off the device and is maintained, has shortened the life scheduling problem of device.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with small operating torque and convenient maintenance comprises a valve body, connecting blocks, a central shaft, a brake block and connecting rubber sheets, wherein a valve sheet is arranged at the central position of the inner side of the valve body, the connecting blocks are arranged at the middle positions of the top end and the bottom end of the valve body, the central shaft penetrates through the central position of the connecting blocks, the connecting rubber sheets are arranged at the middle position of the central shaft at the top end of the connecting blocks, the brake block is arranged at the middle position of the top end of the central shaft, a rotating handle is arranged at the middle position of one side of the brake block, a cavity is arranged at the middle position of the inner side of the connecting block at the bottom end of the connecting block, a limiting ring is arranged at the middle position of the inner side of the cavity, the connecting block is arranged at one side of the limiting ring, the outer side of the connecting block is wrapped with leakproof rubber sheets, the rotating handle rotates by driving the central shaft, and the central shaft can drive the angle of the valve sheet to rotate in the rotating process, thereby enabling low torque operation.

Preferably, a connecting sheet is arranged at one circle of the outer side of the valve body, and the connecting sheets on the outer side wall of the valve body are arranged at equal intervals.

Preferably, the connecting blocks are two, the two connecting blocks are of a transverse center line symmetrical structure, the mounting ring is arranged at the middle position of the bottom end connecting block bottom, the connecting pipe is detachably arranged at the middle position of the mounting ring, the miniature fixing rod is inserted into the inner side of the connecting groove, and the small holes at the two sides of the miniature fixing rod are aligned.

Preferably, the connecting ring is arranged at the position, spaced from the central shaft, of the connecting block in a sliding manner, the connecting spring is uniformly arranged on one side of the outer portion of the connecting ring, the micro connecting rod is arranged in the middle of one side of the connecting ring, and the limiting ring and the leakage-proof rubber sheet which are arranged through the inner side cavity of the connecting block are matched with each other to limit the rotation of the central shaft, so that the stability of the rotation of the valve block on the inner side of the valve body is guaranteed.

Preferably, one end of the mounting ring is provided with a micro fixing rod, and mounting holes are formed in two sides of the micro fixing rod at equal intervals.

Preferably, the other end of collar is provided with the spread groove, and the spread groove inboard is the fretwork setting, and the equidistant aperture that is provided with in spread groove both sides, and the internal rotation of aperture is provided with spacing rotary rod, aligns spread groove and miniature dead lever, and horizontal rotatory spacing rotary rod after the alignment, the inboard connecting pipe of collar realizes the injecing of position through spacing rotary rod for the device conveniently dismantles the installation.

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

(1) the butterfly valve with the small operating torque and convenient to maintain is characterized in that a cavity is formed in the middle position of the inner side of a connecting block at the bottom end of a connecting rubber sheet, a limiting ring is arranged in the middle position of the inner side of the cavity, a connecting block is arranged on one side of the limiting ring, and a leakage-proof rubber sheet is wrapped and arranged on the outer side of the connecting block;

(2) the butterfly valve with the small operation torque and convenient maintenance has the advantages that the miniature fixed rods are arranged at one ends of the mounting rings, the mounting holes are formed in the two sides of the miniature fixed rods at equal intervals, the connecting grooves are formed in the other ends of the mounting rings, the inner sides of the connecting grooves are hollowed out, small holes are formed in the two sides of the connecting grooves at equal intervals, the limiting rotary rods are arranged in the small holes in a rotating mode, when the butterfly valve is used, the miniature fixed rods are inserted into the inner sides of the connecting grooves, the small holes in the two sides of the miniature fixed rods are aligned with the small holes in the two sides of the miniature fixed rods, the limiting rotary rods are transversely rotated after the alignment is carried out, the connecting pipes in the inner sides of the mounting rings are limited in position through the limiting rotary rods, the butterfly valve is convenient to disassemble and install, the butterfly valve can be conveniently disassembled and maintained while the butterfly valve is convenient to disassemble and install, and the service life of the butterfly valve is prolonged;

(3) this kind of butterfly valve that operating torque is convenient for maintain is provided with the connection rubber piece through the intermediate position at connecting block top center pin, the intermediate position on center pin top is provided with the brake pads, and the intermediate position of brake pads one side is provided with twist grip, the device is when using, through rotatory twist grip, twist grip drives the center pin through the brake pads and rotates, the center pin can drive the angle of valve block at rotatory in-process and rotate, thereby can realize the low moment function, the practicality of reinforcing device.

Drawings

Fig. 1 is a schematic front view of the present invention;

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

FIG. 3 is a schematic view of a partially enlarged structure of the connecting block of the present invention;

fig. 4 is a schematic top view of the connecting block of the present invention;

fig. 5 is a schematic view of the local enlarged structure of the mounting ring of the present invention.

In the figure: 1. a valve body; 101. a valve plate; 102. a micro connecting rod; 103. a connecting spring; 104. a connecting ring; 2. connecting blocks; 201. a limiting ring; 202. a leakage-proof rubber sheet; 203. a cavity; 3. a central shaft; 4. a brake pad; 401. rotating the handle; 5. connecting the rubber sheets; 6. connecting sheets; 7. a mounting ring; 701. A connecting pipe; 702. connecting grooves; 703. a limiting rotating rod; 704. a micro fixing rod.

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.

Referring to fig. 1-5, the present invention provides an embodiment: a butterfly valve with small operating moment and convenient maintenance comprises a valve body 1, a connecting block 2, a central shaft 3, a brake block 4 and a connecting rubber sheet 5, wherein a valve sheet 101 is arranged at the central position of the inner side of the valve body 1, a connecting sheet 6 is arranged at one circle of the outer side of the valve body 1, and the connecting sheets 6 on the outer side wall of the valve body 1 are arranged at equal intervals;

the middle positions of the top end and the bottom end of the valve body 1 are both provided with connecting blocks 2, the center position of the connecting block 2 is provided with a center shaft 3 in a penetrating way, the two connecting blocks 2 are in a transverse central line symmetrical structure, the middle position of the bottom end of the connecting block 2 is provided with a mounting ring 7, one end of the mounting ring 7 is provided with a micro fixing rod 704, the two sides of the micro fixing rod 704 are provided with mounting holes at equal intervals, the other end of the mounting ring 7 is provided with a connecting groove 702, the inner side of the connecting groove 702 is hollowed out, the two sides of the connecting groove 702 are provided with small holes at equal intervals, the micro fixing rod 704 is inserted into the inner side of the connecting groove 702, the small holes at the two sides of the micro fixing rod 704 are aligned with the small holes at the two sides of the micro fixing rod 704, after the alignment, the limiting rotary rod is transversely rotated, the connecting pipe 701 at the inner side of the mounting ring 7 realizes the position limitation of the limiting rotary rod 703, the device is convenient to disassemble and assemble;

the connecting pipe 701 is detachably arranged in the middle of the mounting ring 7, the connecting ring 104 is arranged at the position, spaced from the central shaft 3, of the connecting block 2 in a sliding manner, the connecting springs 103 are uniformly arranged on one side of the outer portion of the connecting ring 104, the miniature connecting rod 102 is arranged in the middle of one side of the connecting ring 104, and the rotation of the central shaft 3 can be limited by the mutual matching of the limiting ring 201 arranged in the cavity 203 in the connecting block 2 and the leakage-proof rubber sheet 202, so that the rotating stability of the valve sheet 101 in the valve body 1 is ensured, the phenomenon that the valve sheet 101 rotates due to rusting after long-term use is prevented, and the rotating smoothness of the valve sheet 101 in the valve body 1 is improved;

the intermediate position on 2 top center pins 3 of connecting block is provided with connects the sheet rubber 5, the intermediate position on 3 tops of center pin is provided with brake block 4, and the intermediate position on one side of brake block 4 is provided with turning handle 401, the intermediate position of 2 inboards of 5 bottom connecting blocks of connection sheet rubber is provided with cavity 203, the inboard intermediate position of cavity 203 is provided with spacing ring 201, one side of spacing ring 201 is provided with connecting block 2, and the outside parcel of connecting block 2 is provided with leak protection sheet rubber 202, through turning handle 401, turning handle 401 drives center pin 3 through brake block 4 and rotates, center pin 3 can drive the angle of valve block 101 at rotatory in-process and rotate, thereby can realize the small moment function.

The working principle is as follows: the device is when using, insert the inboard at spread groove 702 with miniature dead lever 704, align the aperture of miniature dead lever 704 both sides and the aperture of miniature dead lever 704 both sides, horizontal rotatory spacing rotary rod 703 after the alignment, the inboard connecting pipe 701 of collar 7 realizes the injecing of position through spacing rotary rod 703, make the device conveniently dismantle the installation, the water enters into the inside of device after the installation finishes, when the inboard flow direction of device needs the adjustment, through rotatory twist grip 401, twist grip 401 drives center pin 3 through brake pads 4 and rotates, center pin 3 rotates at the angle that rotatory in-process can drive valve block 101, thereby can realize the low moment function, strengthen the practicality of device.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a butterfly valve that operating torque is little is convenient for maintain, includes valve body (1), connecting block (2), center pin (3), brake pads (4) and connection rubber piece (5), its characterized in that: the valve block (101) is arranged at the center of the inner side of the valve body (1), the connecting blocks (2) are arranged at the top end of the valve body (1) and the middle position of the bottom end of the valve body (1), the center of the connecting blocks (2) is provided with the center shaft (3) in a penetrating mode, the connecting rubber sheets (5) are arranged at the middle positions of the top end of the connecting blocks (2), the brake blocks (4) are arranged at the middle positions of the top end of the center shaft (3), the rotating handle (401) is arranged at the middle position of one side of each brake block (4), the cavities (203) are arranged at the middle positions of the inner sides of the bottom connecting blocks (2) of the connecting rubber sheets (5), the limiting rings (201) are arranged at the middle positions of the inner sides of the cavities (203), the connecting blocks (2) are arranged on one side of the limiting rings (201), and the leakage-proof rubber sheets (202) are wrapped outside the connecting blocks (2).

2. The butterfly valve of claim 1, wherein the operating torque is low for maintenance: the connecting piece (6) is arranged at one circle of the outer side of the valve body (1), and the connecting pieces (6) on the outer side wall of the valve body (1) are arranged at equal intervals.

3. The butterfly valve of claim 1, wherein the operating torque is low for maintenance: connecting block (2) are provided with two, and two connecting blocks (2) are horizontal central line symmetrical structure, and the intermediate position of bottom connecting block (2) bottom is provided with collar (7), and the intermediate position of collar (7) can be dismantled and be provided with connecting pipe (701).

4. The butterfly valve of claim 1, wherein the operating torque is low for maintenance: the connecting block is characterized in that a connecting ring (104) is arranged at a position, spaced from the central shaft (3), of the connecting block (2) in a sliding mode, connecting springs (103) are uniformly arranged on one side of the outer portion of the connecting ring (104), and a micro connecting rod (102) is arranged in the middle of one side of the connecting ring (104).

5. A butterfly valve with small operating torque for easy maintenance according to claim 3, wherein: one end of the mounting ring (7) is provided with a miniature fixing rod (704), and mounting holes are formed in two sides of the miniature fixing rod (704) at equal intervals.

6. A butterfly valve with small operating torque for easy maintenance according to claim 3, wherein: the other end of collar (7) is provided with connecting groove (702), and connecting groove (702) inboard is the fretwork setting, and connecting groove (702) both sides are equidistant to be provided with the aperture, and the internal rotation of aperture is provided with spacing rotary rod (703).