CN219570893U - Pneumatic double-eccentric butterfly valve - Google Patents

Abstract

The utility model discloses a pneumatic double-eccentric butterfly valve, which comprises a butterfly valve body and a pneumatic actuator, wherein the pneumatic actuator is arranged at the top of the butterfly valve body, the left side and the right side of the butterfly valve body are fixedly connected with a first flange, one side of the first flange, which is far away from the butterfly valve body, is movably connected with a second flange, the center of one side of the second flange, which is far away from the butterfly valve body, is fixedly connected with a pipeline, clamping grooves are formed in the top and the bottom of the first flange, and clamping assemblies are arranged on the surface of the first flange. According to the utility model, the butterfly valve body, the pneumatic actuator, the first flange, the second flange, the pipeline, the clamping groove, the clamping assembly, the fixing frame, the screw rod, the rotating block, the movable plate, the clamping block, the positioning column and the positioning hole are matched with each other, so that the effect of conveniently installing the butterfly valve with the pipeline is achieved, the operation is simple, the time and the labor are saved, no tools are needed, the labor intensity of a user is greatly reduced, and the great convenience is provided for the user.

Description

Pneumatic double-eccentric butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to a pneumatic double-eccentric butterfly valve.

Background

The pneumatic double-eccentric butterfly valve is also called a high-performance butterfly valve, is mainly suitable for drainage of systems such as water works, power plants, steel works smelting, chemical industry, water source spring engineering, environmental facility construction and the like, is suitable for a water channel pipeline, is used as adjusting and intercepting equipment, and is more high-pressure resistant, longer in service life and good in stability compared with a center line butterfly valve.

At present, the common pneumatic double eccentric butterfly valve is inconvenient to install, needs to be fixed by matching a plurality of bolts and nuts when in pipeline installation, is complex in operation, wastes time and labor, and greatly increases the labor intensity of a user.

Disclosure of Invention

The utility model aims to provide a pneumatic double-eccentric butterfly valve, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pneumatic double eccentric butterfly valve, comprising:

a butterfly valve body;

the top of the butterfly valve body is provided with a pneumatic actuator;

the butterfly valve comprises a butterfly valve body, a first flange and a second flange, wherein the first flange is fixedly connected to the left side and the right side of the butterfly valve body;

the second flange is movably connected with one side of the first flange, which is far away from the butterfly valve body;

the center of one side of the second flange, which is far away from the butterfly valve body, is fixedly connected with a pipeline;

the clamping grooves are formed in the top and the bottom of the first flange;

the clamping assembly is arranged on the surface of the first flange.

Further, joint subassembly includes mount, screw rod, turning block and fly leaf, the equal fixedly connected with mount in top and bottom of first flange, one side fixedly connected with bearing that the mount inner wall is close to first flange, one side rotation that the first flange was kept away from to the bearing is connected with the screw rod, the one end that the bearing was kept away from to the screw rod runs through the mount and extends to the outside of mount and fixedly connected with turning block, swing joint between screw rod and the mount, the surface of screw rod just is located the inside threaded connection of mount has the fly leaf, the left and right sides of fly leaf all runs through the mount and extends to the outside of mount.

Further, the movable plate is close to one side of the first flange and fixedly connected with a clamping block corresponding to the clamping groove, and one side, away from the movable plate, of the clamping block penetrates through the clamping groove and extends to the inside of the clamping groove.

Further, the clamping block is movably connected with the clamping groove.

Further, one side of the first flange, which is far away from the butterfly valve body, is fixedly connected with four positioning columns in a surrounding mode, positioning holes are formed in the positions, corresponding to the positioning columns, of the second flange surface, and one end, which is far away from the first flange, of the positioning column penetrates through the positioning holes and extends to the outer portion of the positioning holes.

Further, the positioning column is movably connected with the positioning hole.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the butterfly valve body, the pneumatic actuator, the first flange, the second flange, the pipeline, the clamping groove, the clamping assembly, the fixing frame, the screw rod, the rotating block, the movable plate, the clamping block, the positioning column and the positioning hole are matched with each other, so that the effect of conveniently installing the butterfly valve with the pipeline is achieved, the operation is simple, the time and the labor are saved, no tools are needed, the labor intensity of a user is greatly reduced, and the great convenience is provided for the user.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic view of a second flange according to the present utility model;

fig. 3 is a schematic structural diagram of the clamping assembly of the present utility model.

In the figure: 1. a butterfly valve body; 2. a pneumatic actuator; 3. a first flange; 4. a second flange; 5. a pipe; 6. a clamping groove; 7. a clamping assembly; 71. a fixing frame; 72. a screw; 73. a rotating block; 74. a movable plate; 75. a clamping block; 8. positioning columns; 9. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-3, a pneumatic double eccentric butterfly valve comprises a butterfly valve body 1 and a pneumatic actuator 2, wherein the pneumatic actuator 2 is installed at the top of the butterfly valve body 1, the first flange 3 is fixedly connected to the left side and the right side of the butterfly valve body 1, the second flange 4 is movably connected to one side of the first flange 3, which is far away from the butterfly valve body 1, of the second flange 4, the pipeline 5 is fixedly connected to the center of one side, which is far away from the butterfly valve body 1, of the first flange 4, clamping grooves 6 are formed in the top and the bottom of the first flange 3, and clamping assemblies 7 are arranged on the surface of the first flange 3.

When the device is specifically implemented, the clamping assembly 7 comprises a fixing frame 71, a screw rod 72, a rotating block 73 and a movable plate 74, the fixing frame 71 is fixedly connected to the top and the bottom of the first flange 3, one side, close to the first flange 3, of the inner wall of the fixing frame 71 is fixedly connected with a bearing, one side, far away from the first flange 3, of the bearing is rotationally connected with the screw rod 72, one end, far away from the bearing, of the screw rod 72 penetrates through the fixing frame 71 and extends to the outside of the fixing frame 71 and is fixedly connected with the rotating block 73, the screw rod 72 is movably connected with the fixing frame 71, the surface of the screw rod 72 is connected with the movable plate 74 in an internal thread mode, the left side and the right side of the movable plate 74 penetrate through the fixing frame 71 and extend to the outside of the fixing frame 71, and the front side and the rear side of the movable plate 74 are in contact with the inner wall of the fixing frame 71, and the movable plate 74 can be prevented from rotating along with the screw rod 72.

In the implementation, the movable plate 74 is close to one side of the first flange 3 and is fixedly connected with a clamping block 75 corresponding to the clamping groove 6, and one side of the clamping block 75 away from the movable plate 74 penetrates through the clamping groove 6 and extends into the clamping groove 6.

In the specific implementation, the clamping block 75 is movably connected with the clamping groove 6.

In the concrete implementation, one side of the first flange 3 far away from the butterfly valve body 1 is fixedly connected with four positioning columns 8 in a surrounding mode, the surface of the second flange 4 is provided with positioning holes 9 corresponding to the positions of the positioning columns 8, and one end of the positioning column 8 far away from the first flange 3 penetrates through the positioning holes 9 and extends to the outside of the positioning holes 9.

In the concrete implementation, the positioning column 8 is movably connected with the positioning hole 9.

All parts in the utility model are universal standard parts or parts known by a person skilled in the art, the structure and principle of the parts are known by the person skilled in the art through technical manuals or known by conventional experimental methods, and standard parts used in the utility model file can be purchased from the market, each part in the utility model file can be customized according to the description of the specification and the drawing, the specific connection modes of each part adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the control mode of the utility model is automatically controlled by a controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the supply of power also belongs to the common general knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.

Working principle: during installation, the second flange 4 and the first flange 3 on the pipeline are spliced, the positioning column 8 penetrates through the corresponding positioning hole 9, then the rotating block 73 is rotated clockwise, the movable plate 74 drives the clamping block 75 to move to one side close to the clamping groove 6, the clamping block 75 is inserted into the clamping groove 6, and installation work between the butterfly valve body 1 and the pipeline can be completed through the steps.

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

Claims (6)

1. A pneumatic double eccentric butterfly valve, comprising:

a butterfly valve body (1);

the pneumatic actuator (2) is arranged at the top of the butterfly valve body (1);

the butterfly valve comprises a butterfly valve body (1), a first flange (3) and a second flange (3), wherein the first flange (3) is fixedly connected to the left side and the right side of the butterfly valve body (1);

the second flange (4) is movably connected with one side, far away from the butterfly valve body (1), of the first flange (3);

the second flange (4) is fixedly connected with the pipeline (5) at the center of one side of the butterfly valve body (1);

the clamping grooves (6) are formed in the top and the bottom of the first flange (3);

the clamping assembly (7) is arranged on the surface of the first flange (3).

2. A pneumatic double eccentric butterfly valve according to claim 1, wherein: the clamping assembly (7) comprises a fixing frame (71), a screw rod (72), a rotating block (73) and a movable plate (74), wherein the top and the bottom of the first flange (3) are fixedly connected with the fixing frame (71), one side, close to the first flange (3), of the inner wall of the fixing frame (71) is fixedly connected with a bearing, one side, far away from the first flange (3), of the bearing is rotationally connected with the screw rod (72), one end, far away from the bearing, of the screw rod (72) penetrates through the fixing frame (71) and extends to the outside of the fixing frame (71) and is fixedly connected with the rotating block (73), the screw rod (72) is movably connected with the fixing frame (71), the surface of the screw rod (72) is connected with the movable plate (74) through internal threads of the fixing frame (71), the left side and the right side of the movable plate (74) penetrate through the fixing frame (71) and extend to the outside of the fixing frame (71), and the front side and the rear side of the movable plate (74) are in contact with the inner wall of the fixing frame (71).

3. A pneumatic double eccentric butterfly valve according to claim 2, wherein: the movable plate (74) is close to one side of the first flange (3) and fixedly connected with a clamping block (75) corresponding to the clamping groove (6), and one side, far away from the movable plate (74), of the clamping block (75) penetrates through the clamping groove (6) and extends to the inside of the clamping groove (6).

4. A pneumatic double eccentric butterfly valve according to claim 3, wherein: the clamping block (75) is movably connected with the clamping groove (6).

5. A pneumatic double eccentric butterfly valve according to claim 1, wherein: one side of the first flange (3) far away from the butterfly valve body (1) is surrounded and fixedly connected with four positioning columns (8), a positioning hole (9) is formed in the surface of the second flange (4) corresponding to the position of the positioning column (8), and one end of the positioning column (8) far away from the first flange (3) penetrates through the positioning hole (9) and extends to the outside of the positioning hole (9).

6. The pneumatic double eccentric butterfly valve of claim 5, wherein: the positioning column (8) is movably connected with the positioning hole (9).