CN213393580U

CN213393580U - Butterfly valve with good installation stability

Info

Publication number: CN213393580U
Application number: CN202021694629.8U
Authority: CN
Inventors: 杨竣豪
Original assignee: China Military Power Jiangsu Co ltd
Current assignee: China Military Power Jiangsu Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-08
Anticipated expiration: 2030-08-14

Abstract

The utility model discloses a butterfly valve that installation stability is good, including butterfly valve body, reinforcing mechanism and operating mechanism, the reinforcing mechanism that the symmetry set up is all installed to the left and right sides of butterfly valve body, the operating mechanism rather than the looks adaptation is installed at the top of butterfly valve body, the butterfly valve body includes valve casing, flange, mounting flange, connecting pipe, valve rod and valve block, flange is all installed to the left and right sides of valve casing, one side that flange kept away from the valve casing is provided with the mounting flange rather than the looks adaptation. The utility model discloses a butterfly valve body, the mutually supporting between reinforcing mechanism and the operating mechanism have realized the good butterfly valve of installation stability, through setting up reinforcing mechanism, can increase the stability of butterfly valve installation in the conventional installation of butterfly valve, and through setting up dual operating mechanism, can open and close the butterfly valve when having a power failure or circuit trouble to greatly increased the practicality of butterfly valve.

Description

Butterfly valve with good installation stability

Technical Field

The utility model relates to a butterfly valve technical field specifically is a butterfly valve that installation stability is good.

Background

A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve with a closing part (a valve clack or a butterfly plate) 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 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. But the general opening and close of electric switch control butterfly valve of current butterfly valve, when the power failure or circuit broke down alone, can not in time open and close the butterfly valve to influence the normal use of butterfly valve, and common butterfly valve is generally through the flange butt joint, and the flange appears becoming flexible easily after long-time the use, thereby influences the stability of butterfly valve installation.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a butterfly valve that installation stability is good.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly valve with good installation stability comprises a butterfly valve body, reinforcing mechanisms and an opening and closing mechanism, wherein the reinforcing mechanisms are symmetrically arranged on the left side and the right side of the butterfly valve body, and the opening and closing mechanism matched with the butterfly valve body is arranged at the top of the butterfly valve body;

the butterfly valve comprises a butterfly valve body and is characterized in that the butterfly valve body comprises a valve casing, connecting flanges, mounting flanges, connecting pipes, a valve rod and valve plates, the connecting flanges are mounted on the left side and the right side of the valve casing, the mounting flange matched with the connecting flanges is arranged on one side, away from the valve casing, of each connecting flange, the connecting pipes are fixedly connected to one side, away from the valve casing, of each mounting flange, the valve rod is arranged inside the valve casing, and the valve plates matched with the valve casing are mounted;

the reinforcing mechanism comprises a first reinforcing lug, a second reinforcing lug, an alloy reinforcing clamping sleeve and a fixing pin, wherein the top and the bottom of the connecting flange are fixedly connected with the first reinforcing lug, the top and the bottom of the mounting flange are fixedly connected with the second reinforcing lug matched with the first reinforcing lug, the first reinforcing lug and the second reinforcing lug are fixedly connected through the alloy reinforcing clamping sleeve, and the fixing pin matched with the alloy reinforcing clamping sleeve is arranged at the position of the alloy reinforcing clamping sleeve corresponding to the first reinforcing lug and the second reinforcing lug;

the opening and closing mechanism comprises a sealing shell, a rotary cylinder, a worm wheel and a worm, the rotary cylinder matched with the valve rod is installed at the top of the sealing shell and corresponds to the position of the valve rod, the worm wheel is fixedly connected to the surface of the valve rod, and the worm meshed with the worm wheel is arranged on the inner wall of the sealing shell and corresponds to the position of the worm wheel.

Preferably, a sealing sleeve matched with the valve rod is sleeved at the midpoint of the top of the valve shell and at a position corresponding to the valve rod.

Preferably, the surface cover of valve block is equipped with the high pressure resistant rubber seal who adapts with the valve casing.

Preferably, the sealing housing is fixedly mounted on the top of the valve housing and corresponds to the position of the valve stem.

Preferably, the right side of the worm extends through the seal housing and to the exterior thereof.

Preferably, a rotating hand wheel is fixedly connected to the right side of the worm.

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

1. the utility model discloses a butterfly valve body, the mutually supporting between reinforcing mechanism and the operating mechanism have realized the good butterfly valve of installation stability, through setting up reinforcing mechanism, can increase the stability of butterfly valve installation in the conventional installation of butterfly valve, and through setting up dual operating mechanism, can open and close the butterfly valve when having a power failure or circuit trouble to greatly increased the practicality of butterfly valve.

2. The utility model discloses a set up the seal cover and increased the leakproofness that the valve casing corresponds valve rod department, increased the leakproofness when the valve block is closed through setting up high pressure resistant rubber seal, it is more convenient when making the worm rotate through setting up rotatory hand wheel.

Drawings

FIG. 1 is a structural section view in elevation of the present invention;

FIG. 2 is an enlarged view of a portion of A-A of FIG. 1 according to the present invention;

fig. 3 is a structural section view of the front view of the opening and closing mechanism of the present invention.

In the figure: the butterfly valve comprises a butterfly valve body 1, a reinforcing mechanism 2, an opening and closing mechanism 3, a valve shell 101, a connecting flange 102, a mounting flange 103, a connecting pipe 104, a valve rod 105, a valve plate 106, a first reinforcing lug 201, a second reinforcing lug 202, an alloy reinforcing clamping sleeve 203, a fixing pin 204, a sealing shell 301, a rotary cylinder 302, a worm gear 303, a worm 304, a sealing sleeve 4, a high-pressure-resistant rubber sealing ring 5 and a rotary hand wheel 6.

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. 1-3, a butterfly valve with good installation stability includes a butterfly valve body 1, a reinforcing mechanism 2 and an opening and closing mechanism 3, wherein the reinforcing mechanism 2 is symmetrically installed on both sides of the butterfly valve body 1, and the opening and closing mechanism 3 is installed on the top of the butterfly valve body 1.

Referring to fig. 1-3, the butterfly valve body 1 includes a valve housing 101, a connecting flange 102, a mounting flange 103, a connecting pipe 104, a valve rod 105 and a valve plate 106, the connecting flange 102 is installed on both sides of the valve housing 101, the mounting flange 103 adapted to the connecting flange 102 is installed on one side of the connecting flange 102 away from the valve housing 101, the connecting pipe 104 is fixedly connected to one side of the mounting flange 103 away from the valve housing 101, the valve rod 105 is installed inside the valve housing 101, a sealing sleeve 4 adapted to the valve rod 105 is sleeved at the midpoint of the top of the valve housing 101 and corresponding to the position of the valve, increased the leakproofness that valve casing 101 corresponds valve rod 105 department through setting up seal cover 4, valve rod 105's surface mounting have with valve casing 101 looks adaptation valve block 106, valve block 106's surface cover be equipped with valve casing 101 looks adaptation resistant high pressure rubber seal 5, through setting up the leakproofness when resistant high pressure rubber seal 5 has increased valve block 106 and has closed.

Referring to fig. 1-3, the reinforcing mechanism 2 includes a first reinforcing lug 201, a second reinforcing lug 202, an alloy reinforcing sleeve 203 and a fixing pin 204, the top and the bottom of the connecting flange 102 are both fixedly connected with the first reinforcing lug 201, the top and the bottom of the mounting flange 103 are both fixedly connected with the second reinforcing lug 202 matched with the first reinforcing lug 201, the first reinforcing lug 201 and the second reinforcing lug 202 are fixedly connected through the alloy reinforcing sleeve 203, and the alloy reinforcing sleeve 203 is provided with the fixing pin 204 matched with the first reinforcing lug 201 and the second reinforcing lug 202 at a position corresponding to the first reinforcing lug 201 and the second reinforcing lug 202.

Referring to fig. 1-3, the opening and closing mechanism 3 includes a sealing shell 301, a rotary cylinder 302, a worm wheel 303 and a worm 304, the sealing shell 301 is fixedly installed on the top of the valve housing 101 and corresponds to the position of the valve rod 105, the rotary cylinder 302 adapted to the valve rod 105 is installed on the top of the sealing shell 301 and corresponds to the position of the valve rod 105, the surface of the valve rod 105 is fixedly connected with the worm wheel 303, the worm 304 engaged with the worm wheel 303 is arranged on the inner wall of the sealing shell 301 and corresponds to the position of the worm wheel 303, the right side of the worm 304 penetrates through the sealing shell 301 and extends to the outside of the sealing shell, the right side of the worm 304 is fixedly connected with the rotary hand wheel 6, the rotation of the worm 304 is more convenient by the rotary hand wheel 6, a butterfly valve with good installation stability is realized by the mutual cooperation between the butterfly valve body 1, the reinforcing mechanism 2 and the opening and closing mechanism, the stability of butterfly valve installation is increased, and through setting up dual start/stop mechanism 3, can open and close the butterfly valve when having a power failure or circuit trouble to greatly increased the practicality of butterfly valve.

When the valve is used, the opening and closing of the butterfly valve are controlled through the rotary air cylinder 302 under normal conditions, when power failure or circuit failure occurs, the worm 304 can be rotated through the rotary hand wheel 6, and therefore the valve plate 106 is driven to rotate through the valve rod 105 under the meshing action of the worm wheel 303, and the opening and closing of the butterfly valve can also be controlled; and through setting up 2 stability that reinforcing mechanism can greatly increased butterfly valve installation.

In summary, the following steps: this butterfly valve that installation stability is good through setting up butterfly valve body 1, reinforcing mechanism 2 and start/stop mechanism 3, has solved the problem that the background art mentioned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a butterfly valve that installation stability is good, includes butterfly valve body (1), reinforcing mechanism (2) and opening and close mechanism (3), its characterized in that: the left side and the right side of the butterfly valve body (1) are respectively provided with a symmetrically arranged reinforcing mechanism (2), and the top of the butterfly valve body (1) is provided with an opening and closing mechanism (3) matched with the butterfly valve body;

the butterfly valve body (1) comprises a valve casing (101), connecting flanges (102), a mounting flange (103), a connecting pipe (104), a valve rod (105) and valve plates (106), the connecting flanges (102) are mounted on the left side and the right side of the valve casing (101), the mounting flange (103) matched with the connecting flange (102) is arranged on one side, away from the valve casing (101), of the connecting flange (102), the connecting pipe (104) is fixedly connected to one side, away from the valve casing (101), of the mounting flange (103), the valve rod (105) is arranged inside the valve casing (101), and the valve plates (106) matched with the valve casing (101) are mounted on the surface of the valve rod (105);

the reinforcing mechanism (2) comprises a first reinforcing lug (201), a second reinforcing lug (202), an alloy reinforcing clamping sleeve (203) and a fixing pin (204), the top and the bottom of the connecting flange (102) are both fixedly connected with the first reinforcing lug (201), the top and the bottom of the mounting flange (103) are both fixedly connected with the second reinforcing lug (202) matched with the first reinforcing lug (201), the first reinforcing lug (201) and the second reinforcing lug (202) are fixedly connected through the alloy reinforcing clamping sleeve (203), and the alloy reinforcing clamping sleeve (203) is provided with the fixing pin (204) matched with the alloy reinforcing clamping sleeve (203) at the position corresponding to the first reinforcing lug (201) and the second reinforcing lug (202);

the opening and closing mechanism (3) comprises a sealing shell (301), a rotary cylinder (302), a worm wheel (303) and a worm (304), the rotary cylinder (302) matched with the valve rod (105) is installed at the top of the sealing shell (301) and corresponds to the position of the valve rod (105), the worm wheel (303) is fixedly connected to the surface of the valve rod (105), and the worm (304) meshed with the worm wheel (303) is arranged on the inner wall of the sealing shell (301) and corresponds to the position of the worm wheel (303).

2. The butterfly valve with good installation stability of claim 1, wherein: the middle point of the top of the valve casing (101) and the position corresponding to the valve rod (105) are sleeved with a sealing sleeve (4) matched with the valve rod (105).

3. The butterfly valve with good installation stability of claim 1, wherein: the surface of the valve plate (106) is sleeved with a high-pressure resistant rubber sealing ring (5) matched with the valve casing (101).

4. The butterfly valve with good installation stability of claim 1, wherein: the sealing shell (301) is fixedly installed on the top of the valve shell (101) and corresponds to the position of the valve rod (105).

5. The butterfly valve with good installation stability of claim 1, wherein: the right side of the worm (304) penetrates the sealing shell (301) and extends to the outside thereof.

6. The butterfly valve with good installation stability of claim 1, wherein: and a rotary hand wheel (6) is fixedly connected to the right side of the worm (304).