CN216519634U

CN216519634U - Anti-sticking is dead manual butterfly valve

Info

Publication number: CN216519634U
Application number: CN202122699255.XU
Authority: CN
Inventors: 朱文涛; 薛川
Original assignee: Jiangsu Hengshuang Automatic Control Equipment Manufacturing Co ltd
Current assignee: Jiangsu Hengshuang Automatic Control Equipment Manufacturing Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-13
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses an anti-blocking manual butterfly valve.A rotating rod is lifted up to enable a gear to be far away from a tooth socket, then a rotating shaft, a valve plate and an ellipsoid are driven to rotate through the rotating rod, the ellipsoid drives a moving plate to move towards the direction far away from each other through a moving rod, so that the butterfly valve can be opened, the gear is driven to move downwards through the rotating rod to be matched with the tooth socket, so that the positions of the rotating shaft and the valve plate can be locked, and impurities cannot block the valve plate through the matching of the movable moving plate and the valve plate; through bolted connection between two valve casings, and the casing passes through bolted connection on the valve casing, thread bush and fixed block threaded connection, stopper and pivot top threaded connection, rotary rod and gear and pivot sliding connection, this butterfly valve easy dismounting, easy maintenance simultaneously.

Description

Anti-sticking is dead manual butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to an anti-blocking manual 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 which is opened and closed by rotating around a valve shaft, wherein a valve clack or a butterfly plate of a closing member 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.

In ordinary butterfly valve use, pile up impurity easily between the inside wall of its valve plate lateral wall and valve casing, these impurity always very easily with the valve plate card dead, this just needs the manual work to repair, unusual trouble, the most inconvenient dismantlement of present butterfly valve simultaneously, this just leads to the maintenance inconvenient and cost of maintenance high, inefficiency, for this reason, we provide the dead manual butterfly valve of anti-sticking.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing problems, the utility model provides an anti-blocking manual butterfly valve, which solves the problems in the background technology.

In order to achieve the above object, the present invention adopts the following technical solutions:

an anti-jamming manual butterfly valve comprises two valve shells, wherein the two valve shells are connected through a bolt, a connecting pipe is arranged on the side wall of one side, away from each other, of each valve shell, arc-shaped grooves are formed in the upper part and the lower part of the opposite end of each valve shell, the inner cavities of the grooves are connected with a rotating shaft together, and the front side wall and the rear side wall of the rotating shaft are symmetrically connected with valve plates; the top of the valve shell is symmetrically connected with semicircular fixed blocks, the bottom of each fixed block is provided with a cavity, and the top of the rotating shaft extends into the cavity and is connected with a driving assembly; the front side wall and the rear side wall of the valve shell are symmetrically connected with the shell through bolts, the inner side wall of the shell is provided with a sealing gasket and is connected with a moving plate, and the side wall of the opposite end of the moving plate is matched with the corresponding side wall of the valve plate;

the driving assembly is matched with the moving plate; fixed block top is equipped with rotating assembly, rotating assembly and pivot and fixed block cooperation, and two fixed block lateral walls all are equipped with the screw thread and are connected with the thread bush jointly.

Preferably, the driving assembly comprises an ellipsoid, the ellipsoid is positioned in the cavity and connected with the rotating shaft, and the front side wall and the rear side wall of the ellipsoid are respectively attached with a movable rod; sliding grooves are symmetrically formed in the upper portions of the side walls of the opposite ends of the valve shell and positioned on the front side and the rear side of the fixed block in the left-right direction, and the bottoms of the moving rods downwards penetrate through the corresponding sliding grooves and are connected with the top of the moving plate; one end of the moving plate, which is far away from each other, is connected with a first spring respectively, and the other end of the first spring is connected with the inner side wall of the shell.

Preferably, the rotating assembly comprises a tooth socket, the tooth socket is positioned at the top of the opposite end of the fixed block, and teeth are arranged on the inner side wall of the tooth socket along the circumferential direction; the pivot top upwards passes the tooth's socket and is connected with the gear, and the tooth cooperation of gear and tooth's socket inside wall, gear top are connected with the rotary rod, and the rotary rod is connected with the pivot, and the pivot top is connected with the stopper, and the pivot lateral wall just is located and is connected with the second spring between stopper bottom and the rotary rod top.

Preferably, sealing gaskets are arranged between the two valve casings, between the fixing blocks and between the casings; and sealing rings are arranged at the joints of the moving plate and the valve plate.

Preferably, the top and the bottom of the moving plate are respectively attached to the top and the bottom of the inner cavity of the valve casing, and the thickness of the moving plate is larger than the sum of the widths of the left sliding groove and the right sliding groove.

The utility model has the beneficial effects that:

1. according to the butterfly valve, the gear is far away from the tooth socket by lifting the rotating rod, then the rotating rod drives the rotating shaft to rotate, the rotating shaft drives the valve plate and the elliptical body to rotate respectively, the elliptical body drives the moving plate to move towards the direction far away from each other through the moving rod, the butterfly valve can be opened, the gear is driven to move downwards through the rotating rod, the gear is matched with the tooth socket, the positions of the rotating shaft and the valve plate can be locked, and impurities cannot block the valve plate through matching of the movable moving plate and the valve plate;

2. according to the butterfly valve, the two valve casings are connected together through the bolt, the casings are connected to the valve casings through the bolt, meanwhile, the thread sleeves are connected with the fixed blocks through threads, the limited blocks are connected with the top of the rotating shaft through threads, the rotating rods and the gears are connected with the rotating shaft in a sliding mode, and the butterfly valve is convenient to disassemble and assemble, convenient to maintain, low in maintenance cost and high in efficiency.

Drawings

FIG. 1 is a schematic structural view of the butterfly valve;

FIG. 2 is a left side view of the butterfly valve;

FIG. 3 is a top view of the butterfly valve;

FIG. 4 is a top view of the butterfly valve

In the figure: 1-valve housing, 2-connecting pipe, 3-rotating shaft, 4-valve plate, 5-fixed block, 6-cavity, 7-driving component, 71-ellipsoid, 72-moving rod, 73-sliding chute, 74-first spring, 8-housing, 9-moving plate, 10-rotating component, 101-tooth space, 102-gear, 103-rotating rod, 104-limiting block, 105-second spring and 11-thread bush.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Moreover, the terms "first," "second," and "third," if any, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

With reference to fig. 1-4, the utility model provides a technical scheme that an anti-seize manual butterfly valve comprises two valve casings 1, wherein the two valve casings 1 are connected through bolts, a connecting pipe 2 is arranged on the side wall of one side, away from each other, of each valve casing 1, arc-shaped grooves are formed in the upper part and the lower part of the opposite end of each valve casing 1, the inner cavities of the grooves are jointly and rotatably connected with a rotating shaft 3, and valve plates 4 are symmetrically and fixedly connected to the front side wall and the rear side wall of the rotating shaft 3; the top of the valve shell 1 is symmetrically and fixedly connected with semicircular fixed blocks 5, the bottom of each fixed block 5 is provided with a cavity 6, and the top of the rotating shaft 3 extends into the cavity 6 and is fixedly connected with a driving assembly 7; the front side wall and the rear side wall of the valve shell 1 are symmetrically connected with a shell body 8 through bolts, the inner side wall of the shell body 8 is provided with a sealing gasket and is connected with a moving plate 9 in a sliding way, and the side wall of the opposite end of the moving plate 9 is matched with the corresponding side wall of the valve plate 4;

the driving assembly 7 is matched with the moving plate 9; fixed block 5 top is equipped with rotating assembly 10, and rotating assembly 10 and pivot 3 and the cooperation of

fixed block

5, and 5 lateral walls of two fixed blocks all are equipped with the screw thread and have threaded sleeve 11 jointly in the spiro union.

The driving assembly 7 comprises an ellipsoid 71, the ellipsoid 71 is positioned in the cavity 6 and fixedly connected with the rotating shaft 3, and the front side wall and the rear side wall of the ellipsoid 71 are respectively attached with a movable rod 72; sliding grooves 73 are symmetrically formed in the left and right sides of the upper portion of the side wall of the opposite end of the valve casing 1 and located on the front side and the rear side of the fixed block 5, and the bottoms of the moving rods 72 downwards penetrate through the corresponding sliding grooves 73 and are fixedly connected with the top of the moving plate 9; the ends of the moving plate 9 away from each other are respectively fixedly connected with a first spring 74, and the other end of the first spring 74 is fixedly connected with the inner side wall of the shell 8.

The rotating assembly 10 comprises a tooth groove 101, the tooth groove 101 is located at the top of the opposite end of the fixed block 5, and teeth are arranged on the inner side wall of the tooth groove 101 in the circumferential direction; the top of the rotating shaft 3 upwards penetrates through the tooth space 101 and is connected with a gear 102 in a sliding mode, the gear 102 is matched with teeth on the inner side wall of the tooth space 101, a rotating rod 103 is fixedly connected to the top of the gear 102, the rotating rod 103 is connected with the rotating shaft 3 in a sliding mode, a limiting block 104 is connected to the top of the rotating shaft 3 in a threaded mode, and a second spring 105 is fixedly sleeved between the bottom of the limiting block 104 and the top of the rotating rod 103 on the side wall of the rotating shaft 3.

Wherein, sealing gaskets are arranged between the two valve casings 1, between the fixing blocks 5 and between the casings 8; the joints of the moving plate 9 and the valve plate 4 are provided with sealing rings, so that the sealing performance of the butterfly valve is improved.

The top and the bottom of the movable plate 9 are respectively attached to the top and the bottom of an inner cavity of the valve casing 1, the thickness of the movable plate 9 is larger than the sum of the widths of the left sliding groove 73 and the right sliding groove 73, the sliding grooves 73 are blocked by the top of the movable plate 9, and the sealing performance of the butterfly valve is improved.

One specific application of this embodiment is:

when the butterfly valve needs to be opened, the rotating rod 103 is lifted upwards to enable the gear 102 to be away from the tooth groove 101, then the rotating rod 103 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the valve plate 4 and the elliptical body 71 to rotate respectively, the elliptical body 71 drives the moving plate 9 to move towards the direction away from each other through the moving rod 72, the butterfly valve can be opened, the rotating rod 103 drives the gear 102 to move downwards, the gear 102 is matched with the tooth groove 101, the positions of the rotating shaft 3 and the valve plate 4 can be locked, and the movable moving plate 9 is matched with the valve plate 4 to prevent impurities from blocking the valve plate 4;

through bolted connection together between two valve casings 1 in this butterfly valve, and casing 8 passes through bolted connection on valve casing 1, and threaded sleeve 11 and fixed block 5 pass through threaded connection simultaneously, stopper 104 and 3 top threaded connection of pivot, rotary rod 103 and gear 102 all with 3 sliding connection of pivot, this butterfly valve easy dismounting, easy maintenance.

The electric elements adopted by the patent are all sold in the market, and the specific structure and the control mode are not repeated in the specification.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An anti-blocking manual butterfly valve comprises two valve shells (1), and is characterized in that the two valve shells (1) are connected through bolts, a connecting pipe (2) is arranged on the side wall of one side, away from each other, of each valve shell (1), arc-shaped grooves are formed in the upper portion and the lower portion of the opposite end of each valve shell (1), the inner cavities of the grooves are connected with a rotating shaft (3) together, and the front side wall and the rear side wall of each rotating shaft (3) are symmetrically connected with a valve plate (4); the top of the valve shell (1) is symmetrically connected with semicircular fixed blocks (5), the bottom of each fixed block (5) is provided with a cavity (6), and the top of the rotating shaft (3) extends into the cavity (6) and is connected with a driving assembly (7); the front side wall and the rear side wall of the valve shell (1) are symmetrically connected with a shell (8) through bolts, a sealing gasket is arranged on the inner side wall of the shell (8) and is connected with a moving plate (9), and the side wall of the opposite end of the moving plate (9) is matched with the side wall of the corresponding valve plate (4);

the driving assembly (7) is matched with the moving plate (9); fixed block (5) top is equipped with rotating assembly (10), and rotating assembly (10) and pivot (3) and fixed block (5) cooperation, two fixed block (5) lateral walls all are equipped with the screw thread and are connected with thread bush (11) jointly.

2. The anti-seize manual butterfly valve of claim 1, wherein: the driving assembly (7) comprises an ellipsoid (71), the ellipsoid (71) is positioned in the cavity (6) and is connected with the rotating shaft (3), and the front side wall and the rear side wall of the ellipsoid (71) are respectively attached with a movable rod (72); sliding grooves (73) are symmetrically formed in the left and right directions on the upper portion of the side wall of the opposite end of the valve casing (1) and located on the front side and the rear side of the fixing block (5), and the bottom of the moving rod (72) penetrates through the corresponding sliding groove (73) downwards and is connected with the top of the moving plate (9); one end of the moving plate (9) far away from each other is respectively connected with a first spring (74), and the other end of the first spring (74) is connected with the inner side wall of the shell (8).

3. The anti-seize manual butterfly valve of claim 1, wherein: the rotating assembly (10) comprises a tooth groove (101), the tooth groove (101) is located at the top of the opposite end of the fixing block (5), and teeth are arranged on the inner side wall of the tooth groove (101) along the circumferential direction; the top of the rotating shaft (3) upwards penetrates through the tooth groove (101) and is connected with the gear (102), the gear (102) is matched with teeth on the inner side wall of the tooth groove (101), the top of the gear (102) is connected with a rotating rod (103), the rotating rod (103) is connected with the rotating shaft (3), the top of the rotating shaft (3) is connected with a limiting block (104), and the side wall of the rotating shaft (3) is connected with a second spring (105) between the bottom of the limiting block (104) and the top of the rotating rod (103).

4. The anti-seize manual butterfly valve of claim 1, wherein: sealing gaskets are arranged between the two valve casings (1), between the fixing blocks (5) and between the casings (8); and sealing rings are arranged at the joints of the moving plate (9) and the valve plate (4).

5. The anti-seize manual butterfly valve of claim 2, wherein: the top and the bottom of the movable plate (9) are respectively attached to the top and the bottom of an inner cavity of the valve casing (1), and the thickness of the movable plate (9) is larger than the sum of the widths of the left sliding groove and the right sliding groove (73).