Combined butterfly valve

Abstract

The utility model relates to the technical field of combined type butterfly valves, in particular to a combined type butterfly valve which comprises a butterfly valve body, a closing assembly is arranged at the top of the butterfly valve body, a mounting plate is fixedly connected to the outer side of the butterfly valve body and located on the side away from the closing assembly, and a valve body is rotationally connected to the interior of the butterfly valve body. According to the butterfly valve, after the valve main body is installed in the butterfly valve main body, the closing assemblies are installed on the upper side and the lower side of the butterfly valve main body, the rotating column and the limiting groove are clamped, then the rotating column drives the valve main body to rotate, the valve main body is driven to be opened or closed, and meanwhile the closing assemblies are very easy to disassemble and assemble; the valve body is simple in structure, the manufacturing requirement for the valve body in the production process is reduced, assembly is convenient, workers can conveniently disassemble the valve body during maintenance, and a large amount of time and manpower are saved. Compared with an existing combined type butterfly valve, the combined type butterfly valve has the advantage that the overall practicability of the combined type butterfly valve can be improved through the design.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, in particular to a combined butterfly valve. Background Art

[0002] A butterfly valve is a valve that is often used on water conservancy pipelines to control the opening and closing of pipelines. Valves are usually used to control the transmission of liquid and gaseous substances such as water and gas. They can play a switch control effect on the transmission work, thereby achieving the functions of opening, closing and regulation. During the installation process of the butterfly valve, in order to maintain the horizontal stability of the butterfly valve installation, a combined base is usually installed on the butterfly valve, thereby increasing the grounding height of the butterfly valve and facilitating the connection with the pipeline.

[0003] There are various butterfly valves on the market, but they generally have the defect of being inconvenient to disassemble and assemble. Ordinary butterfly valves are mostly one-piece structures, and disassembly and assembly are very complicated, resulting in extremely high requirements for the production of the valve body during the production process. It is also inconvenient to assemble, and it is not convenient for staff to disassemble during maintenance, which affects the progress of maintenance and wastes a lot of time and manpower.

[0004] Therefore, it is particularly important to design a new type of combined butterfly valve to solve the above technical defects and improve the practicality of the overall combined butterfly valve. Utility Model Content

[0005] The purpose of the utility model is to provide a combined butterfly valve, which can install the valve body inside the butterfly valve body, and then install the closing component on the upper and lower sides of the butterfly valve body, so that the rotating column and the limit groove are engaged with each other, and the rotating column is inserted into the valve body to connect with the valve body. When in use, the closing component is rotated, and then the valve body is driven to rotate through the rotating column, thereby driving the valve body to open or close. At the same time, the disassembly and assembly of the closing component is very simple, resulting in reduced requirements for the manufacture of the valve body during the production process, and it is also more convenient to assemble. When performing maintenance, it is convenient for staff to disassemble, which improves the maintenance progress and saves a lot of time and manpower, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A combined butterfly valve comprises a butterfly valve body, a closing assembly is arranged on the top of the butterfly valve body, a mounting plate is fixedly connected to the outer side of the butterfly valve body and located away from the closing assembly, and a valve body is rotatably connected to the inside of the butterfly valve body;

[0008] The closing assembly is used to rotate and close the valve body.

[0009] As a preferred solution of the utility model, the closing assembly includes a mounting seat, a sealing seat, a connecting plate, a sealing plate, a rotating ring, a rotating handle, a rotating column, a positioning ring, a support seat and a limit groove. The mounting seat is arranged above the butterfly valve body, and the top of the mounting seat is fixedly connected to the sealing seat.

[0010] As a preferred solution of the utility model, the top of the sealing seat is fixedly connected to a connecting plate, the four corners of the top of the connecting plate are connected to sealing plates by screws, the top of the sealing plate is rotatably connected to a rotating ring, and the outer side of the rotating ring is fixedly connected to a rotating handle.

[0011] As a preferred solution of the utility model, the sealing seat, the connecting plate and the center of the sealing plate are rotatably connected with a rotating column, the top of the rotating column is provided with a plurality of threads, and the rotating column is connected to the rotating ring through a positioning ring.

[0012] As a preferred solution of the utility model, a support seat is provided at the bottom of the butterfly valve body and at a position corresponding to the mounting seat. A limiting groove is provided inside the support seat and at a position corresponding to the rotating column. The mounting seat and the support seat are connected to the butterfly valve body by a plurality of screws.

[0013] As a preferred solution of the utility model, the four groups of corners of the connecting plate are connected to the sealing plate by bolts, the rotating column passes through the butterfly valve body and the valve body and extends to the inside of the limit groove, and the outside of the rotating column is fixedly connected to the limit block at a position corresponding to the valve body.

[0014] As a preferred solution of the utility model, a rotation groove is provided inside the butterfly valve body at a position corresponding to the valve body, and a positioning groove is provided inside the valve body at a position corresponding to the rotation column.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] In the utility model, through the design of the closing body and the valve body, after the valve body is installed inside the butterfly valve body, the closing component is installed on the upper and lower sides of the butterfly valve body, so that the rotating column and the limit groove are engaged with each other, and the rotating column is inserted into the valve body to be connected with the valve body. When in use, the closing component is rotated, and then the valve body is driven to rotate through the rotating column, thereby driving the valve body to open or close. At the same time, the disassembly and assembly of the closing component is very simple, resulting in reduced requirements for the production of the valve body during the production process, and it is also more convenient to assemble. When performing maintenance, it is convenient for staff to disassemble, which improves the maintenance progress and saves a lot of time and manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a disassembled diagram of the overall three-dimensional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the closing component of the utility model.

[0020] In the figure: 1. Butterfly valve body; 101. Rotating groove; 2. Closing assembly; 201. Mounting seat; 202. Sealing seat; 203. Connecting plate; 204. Sealing plate; 205. Rotating ring; 206. Rotating handle; 207. Rotating column; 208. Positioning ring; 209. Support seat; 210. Limiting groove; 3. Mounting plate; 4. Valve body. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0022] Example:

[0023] See also Figure 1-Figure 3 , the utility model provides a technical solution:

[0024] A combined butterfly valve comprises a butterfly valve body 1, a closing assembly 2 is arranged on the top of the butterfly valve body 1, a mounting plate 3 is fixedly connected to the outside of the butterfly valve body 1 and on a side away from the closing assembly 2, and a valve body 4 is rotatably connected to the inside of the butterfly valve body 1;

[0025] Specifically, firstly, the valve body 4 is placed in the butterfly valve body 1, and then the closing component 2 is installed on the upper and lower sides of the butterfly valve body 1, so that the closing component 2 passes through the valve body 4, and the closing and opening of the valve body 4 are controlled by the closing component 2. The butterfly valve body 1 is conveniently installed through the mounting plate 3, and the entire butterfly valve body 1 is convenient for users to disassemble and assemble. During maintenance, it is convenient for staff to disassemble, thereby improving maintenance efficiency and saving a lot of time and manpower.

[0026] Also, see Figure 1 , a closing assembly 2 is provided on the top of the butterfly valve body 1;

[0027] The closing assembly 2 is used to rotate and close the valve body 4. The specific structure of the closing assembly 2 is as follows:

[0028] The closing component 2 includes a mounting seat 201, a sealing seat 202, a connecting plate 203, a sealing plate 204, a rotating ring 205, a rotating handle 206, a rotating column 207, a positioning ring 208, a support seat 209 and a limiting groove 210. The mounting seat 201 is arranged above the butterfly valve body 1. The top of the mounting seat 201 is fixedly connected to the sealing seat 202, the top of the sealing seat 202 is fixedly connected to the connecting plate 203, the four corners of the top of the connecting plate 203 are connected to the sealing plate 204 by screws, the top of the sealing plate 204 is rotatably connected to the rotating ring 205, the outer side of the rotating ring 205 is fixedly connected to the rotating handle 206, the sealing seat 202, the connecting plate 203 and the sealing plate 204 are rotatably connected to the rotating column 207 at the center, the top of the rotating column 207 is provided with a plurality of threads, and the rotating column 207 is fixedly connected to the rotating handle 206. The positioning ring 208 is connected to the rotating ring 205, a support seat 209 is provided at the bottom of the butterfly valve body 1 and at a position corresponding to the mounting seat 201, a limiting groove 210 is provided inside the support seat 209 and at a position corresponding to the rotating column 207, the mounting seat 201 and the support seat 209 are connected to the butterfly valve body 1 by a plurality of screws, the four groups of corners of the connecting plate 203 are connected to the sealing plate 204 by bolts, the rotating column 207 passes through the butterfly valve body 1 and the valve body 4 and extends to the inside of the limiting groove 210, the outer side of the rotating column 207 and the position corresponding to the valve body 4 are fixedly connected to the limiting block, the inside of the butterfly valve body 1 and the position corresponding to the valve body 4 are provided with a rotating groove 101, and the inside of the valve body 4 and the position corresponding to the rotating column 207 are provided with a positioning groove.

[0029] Specifically, the valve body 4 is closed and opened through the closing component 2. First, the valve body 4 is placed in the rotating groove 101 inside the butterfly valve body 1, and the rotating column 207 is inserted into the sealing seat 202, so that the bottom of the rotating column 207 is engaged with the limiting groove 210 in the support seat 209, and the sealing plate 204 is installed on the top of the connecting plate 203 by screws, and then the connecting plate 203 is fixed, and the rotating column 207 is limited by the sealing plate 204 and the connecting plate 203, and the rotating ring 205 is sleeved on the top of the sealing plate 204 and located on the outside of the rotating column 207, and the rotating column 207 is connected to the rotating ring 205 by the positioning ring 208. When in use, the rotating handle 206 is used to drive the rotating column 207 to rotate in the sealing seat 202, and then the valve body 4 is driven to rotate through the rotating column 207, and then the water source entering the butterfly valve body 1 is cut off through the valve body 4.

[0030] In this embodiment, the implementation scenario is specifically as follows: in actual use, the valve body 4 is first placed in the butterfly valve body 1, and the closing component 2 is installed on the upper and lower sides of the butterfly valve body 1, so that the closing component 2 passes through the valve body 4, and the closing and opening of the valve body 4 are controlled by the closing component 2. The butterfly valve body 1 is easily installed through the mounting plate 3, and the entire butterfly valve body 1 is easy for the user to disassemble and assemble. When performing maintenance, it is easy for the staff to disassemble, which improves the maintenance efficiency and saves a lot of time and manpower. Compared with the existing combined butterfly valve, the utility model can improve the overall practicality of the combined butterfly valve through design.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined butterfly valve, comprising a butterfly valve body (1), characterized in that: A closing assembly (2) is provided on the top of the butterfly valve body (1); a mounting plate (3) is fixedly connected to the outside of the butterfly valve body (1) and on a side away from the closing assembly (2); and a valve body (4) is rotatably connected to the inside of the butterfly valve body (1); The closing assembly (2) is used to rotate and close the valve body (4); The closing assembly (2) comprises a mounting seat (201), a sealing seat (202), a connecting plate (203), a sealing plate (204), a rotating ring (205), a rotating handle (206), a rotating column (207), a positioning ring (208), a supporting seat (209) and a limiting groove (210); the mounting seat (201) is arranged above the butterfly valve body (1); and the sealing seat (202) is fixedly connected to the top of the mounting seat (201); The top of the sealing seat (202) is fixedly connected to a connecting plate (203), the four corners of the top of the connecting plate (203) are connected to sealing plates (204) via screws, the top of the sealing plate (204) is rotatably connected to a rotating ring (205), and the outer side of the rotating ring (205) is fixedly connected to a rotating handle (206).

2. A combined butterfly valve according to claim 1, characterized in that: A rotating column (207) is rotatably connected at the center of the sealing seat (202), the connecting plate (203) and the sealing plate (204). A plurality of threads are provided on the top of the rotating column (207). The rotating column (207) is connected to the rotating ring (205) via a positioning ring (208).

3. A combined butterfly valve according to claim 2, characterized in that: A support seat (209) is provided at the bottom of the butterfly valve body (1) and at a position corresponding to the mounting seat (201); a limiting groove (210) is provided inside the support seat (209) and at a position corresponding to the rotating column (207); the mounting seat (201) and the support seat (209) are connected to the butterfly valve body (1) via a plurality of screws.

4. A combined butterfly valve according to claim 3, characterized in that: The four groups of corners of the connecting plate (203) are connected to the sealing plate (204) by bolts, the rotating column (207) penetrates the butterfly valve body (1) and the valve body (4) and extends to the inside of the limiting groove (210), and the outer side of the rotating column (207) and the position corresponding to the valve body (4) are fixedly connected to the limiting block.

5. A combined butterfly valve according to claim 4, characterized in that: A rotation groove (101) is provided inside the butterfly valve body (1) at a position corresponding to the valve body (4), and a positioning groove is provided inside the valve body (4) at a position corresponding to the rotation column (207).

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