Pneumatic butterfly valve convenient to assemble

Abstract

The utility model discloses a pneumatic butterfly valve convenient to assemble, and relates to the technical field of pneumatic butterfly valves. Comprising a butterfly valve frame, two connecting rings are fixedly arranged on the outer wall of the butterfly valve frame, a connecting frame is attached to one side of the outer wall of each connecting ring, a plurality of limiting frames are fixedly arranged on one side of the outer wall of each connecting frame along the circumferential surface at equal intervals, and the multiple connecting structures are arranged in the connecting rings and the connecting frames along the circumferential surface at equal intervals; each connecting structure comprises two bolts and a threaded pipe, the outer walls of the ends, close to each other, of the two bolts are embedded in the threaded pipe in a threaded mode, and the outer wall of the threaded pipe is rotationally arranged between the two connecting rings. And through the connecting frame, the limiting frame, the bolts and the threaded pipes, the bolts can be sleeved with the threaded pipes in a threaded mode through rotation of the rotating ring, so that the two sides of the butterfly valve are fixed, the mounting efficiency of the butterfly valve is improved, and mounting is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic butterfly valves, in particular to a pneumatic butterfly valve which is easy to assemble. Background Art

[0002] At present, the pneumatic butterfly valve is composed of a pneumatic actuator and a butterfly valve. It uses a circular butterfly plate that rotates with the valve stem to open and close to achieve the pneumatic valve enabling action. It is mainly used as a shut-off valve, and can also be designed to have the function of regulation or shut-off and regulation.

[0003] At present, during the installation of pneumatic butterfly valves, the screws need to be turned one by one to connect and fix them, and the installation and fixation requires the cooperation of multiple people, which is inconvenient. Utility Model Content

[0004] The utility model provides a pneumatic butterfly valve which is easy to assemble. Through a connecting frame, a limiting frame, bolts and threaded pipes, a rotating ring can be rotated to make a plurality of threaded pipes threadedly sleeved on the bolts, so that both sides of the butterfly valve can be fixed, thereby improving the installation efficiency of the butterfly valve and making the installation more convenient.

[0005] To achieve the above purpose, the utility model implements a pneumatic butterfly valve that is easy to assemble through the following technical solutions, including:

[0006] A butterfly valve frame, wherein two connecting rings are fixedly disposed on the outer wall of the butterfly valve frame, a connecting frame is attached to one side of the outer wall of each of the two connecting rings, and a plurality of limiting frames are fixedly disposed at equal distances along the circumferential surface on one side of the outer wall of the connecting frame;

[0007] A connecting structure, wherein a plurality of the connecting structures are provided, and the plurality of connecting structures are arranged in the connecting ring and the connecting frame at equal distances along the circumferential surface;

[0008] Each of the connection structures includes two bolts and a threaded tube. The outer walls of the two bolts at one end close to each other are threadedly embedded in the threaded tube. The outer walls of the threaded tube are rotatably arranged between the two connecting rings. The outer walls of the two bolts are slidably arranged in the two connecting rings, the connecting frame and the limiting frame.

[0009] As a conveniently assembled pneumatic butterfly valve of the utility model, the outer wall of the butterfly valve frame is provided with three extension blocks at equal distances along the circumferential surface, and two rotating rings are rotatably provided with the three extension blocks and the two connecting rings.

[0010] As a pneumatic butterfly valve that is easy to assemble, the inner walls of the two rotating rings are engaged with the threaded pipe.

[0011] As a pneumatic butterfly valve that is easy to assemble, the utility model has an inner wall of the butterfly valve frame that is rotatably provided with a valve member.

[0012] As a conveniently assembled pneumatic butterfly valve of the utility model, a control component is fixedly arranged on the top of the outer wall of the butterfly valve frame, and the top of the outer wall of the valve component is fixedly arranged on the control component.

[0013] The utility model provides a pneumatic butterfly valve that is easy to assemble and has the following beneficial effects:

[0014] The pneumatic butterfly valve which is easy to assemble can use the connection frame, the limiting frame, the bolts and the threaded pipes, and can utilize the rotation of the rotating ring to make multiple threaded pipes threadedly sleeved on the bolts, so that both sides of the butterfly valve are fixed, thereby improving the installation efficiency of the butterfly valve and making the installation more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is an exploded view of the utility model.

[0018] In the figure: 1. butterfly valve frame; 2. connecting ring; 3. connecting frame; 4. limiting frame; 5. bolts; 6. threaded pipe; 7. extension block; 8. rotating ring; 9. valve part; 10. control part. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the practical embodiment to clearly and completely describe the technical solution in the practical embodiment. Obviously, the described embodiment is only a part of the embodiment of the practical embodiment, not all of the embodiments. Based on the embodiment in the practical embodiment, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this practical embodiment.

[0020] See also Figure 1-3 The utility model provides a technical solution: a pneumatic butterfly valve that is easy to assemble, comprising:

[0021] A butterfly valve frame 1, two connecting rings 2 are fixedly provided on the outer wall of the butterfly valve frame 1, a connecting frame 3 is attached to one side of the outer wall of each of the two connecting rings 2, and a plurality of limiting frames 4 are fixedly provided at equal distances along the circumferential surface on one side of the outer wall of the connecting frame 3;

[0022] A connecting structure, wherein a plurality of connecting structures are provided, and the plurality of connecting structures are arranged in the connecting ring 2 and the connecting frame 3 at equal distances along the circumferential surface;

[0023] Each connecting structure includes two bolts 5 and a threaded tube 6. The outer walls of the two bolts 5 at one end close to each other are threadedly embedded in the threaded tube 6. The outer walls of the threaded tube 6 are rotatably arranged between the two connecting rings 2. The outer walls of the two bolts 5 are slidably arranged in the two connecting rings 2, the connecting frame 3 and the limiting frame 4.

[0024] In this embodiment: the two connecting rings 2 on the butterfly valve frame 1 can be tightly connected with the connecting frame 3, the connecting frame 3 is connected to the pipeline, and the multiple limiting frames 4 can limit the rotation of the bolts 5. The rotating threaded tube 6 can make the two bolts 5 approach each other, so that the limiting frame 4 and the connecting ring 2 are tightly connected together, and the rotation of the rotating ring 8 can make the multiple threaded tubes 6 threaded on the bolts 5, so that the two sides of the butterfly valve are fixed, which improves the installation efficiency of the butterfly valve and makes the installation more convenient.

[0025] Specifically, three extension blocks 7 are equidistantly arranged along the circumferential surface of the outer wall of the butterfly valve frame 1 , and two rotating rings 8 are rotatably arranged on the three extension blocks 7 and the two connecting rings 2 .

[0026] In this embodiment, the three extension blocks 7 can enable the two rotating rings 8 to rotate stably.

[0027] Specifically, the inner walls of the two rotating rings 8 are engaged with the threaded tube 6 .

[0028] In this embodiment, the rotating ring 8 rotates on the threaded tube 6 to drive the threaded tube 6 to rotate, thereby controlling the approach of the two bolts 5 .

[0029] Specifically, a valve member 9 is rotatably provided on the inner wall of the butterfly valve frame 1 .

[0030] In this embodiment, the inner wall of the butterfly valve frame 1 can be opened and closed by the valve member 9 .

[0031] Specifically, a control component 10 is fixedly disposed on the top of the outer wall of the butterfly valve frame 1 , and a top of the outer wall of the valve component 9 is fixedly disposed on the control component 10 .

[0032] In this embodiment, the rotation of the valve member 9 can be controlled by the control member 10 .

[0033] When in use, the two connecting rings 2 on the butterfly valve frame 1 can be tightly connected with the connecting frame 3, and the connecting frame 3 is connected to the pipeline. The multiple limiting frames 4 can limit the rotation of the bolts 5. The rotating threaded tube 6 can make the two bolts 5 approach each other, so that the limiting frame 4 and the connecting ring 2 are tightly connected together. By rotating the rotating ring 8, the multiple threaded tubes 6 are threaded on the bolts 5, so that the two sides of the butterfly valve are fixed, which improves the installation efficiency of the butterfly valve and makes the installation more convenient. The three extension blocks 7 can make the two rotating rings 8 rotate stably. The rotating ring 8 rotates on the threaded tube 6 to drive the threaded tube 6 to rotate, thereby controlling the approach of the two bolts 5. The valve member 9 can make the inner wall of the butterfly valve frame 1 open and close, and the control member 10 can control the rotation of the valve member 9.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A pneumatic butterfly valve that is easy to assemble, characterized in that: include: A butterfly valve frame (1), wherein two connecting rings (2) are fixedly provided on an outer wall of the butterfly valve frame (1), a connecting frame (3) is attached to one side of the outer wall of each of the two connecting rings (2), and a plurality of limiting frames (4) are fixedly provided at equal distances along a circumferential surface on one side of the outer wall of the connecting frame (3); A connecting structure, wherein a plurality of the connecting structures are provided, and the plurality of connecting structures are arranged at equal distances along the circumferential surface inside the connecting ring (2) and the connecting frame (3); Each of the connection structures comprises two bolts (5) and a threaded tube (6); the outer walls of the two bolts (5) at one end close to each other are threadedly embedded in the threaded tube (6); the outer walls of the threaded tube (6) are rotatably arranged between the two connection rings (2); and the outer walls of the two bolts (5) are slidably arranged in the two connection rings (2), the connection frame (3) and the limiting frame (4).

2. A pneumatic butterfly valve that is easy to assemble according to claim 1, characterized in that: The outer wall of the butterfly valve frame (1) is provided with three extension blocks (7) at equal distances along the circumferential surface, and two rotating rings (8) are rotatably provided on the three extension blocks (7) and the two connecting rings (2).

3. A pneumatic butterfly valve that is easy to assemble according to claim 2, characterized in that: The inner walls of the two rotating rings (8) are engaged with the threaded tube (6).

4. The pneumatic butterfly valve that is easy to assemble according to claim 3 is characterized in that: The inner wall of the butterfly valve frame (1) is rotatably provided with a valve member (9).

5. The pneumatic butterfly valve that is easy to assemble according to claim 4 is characterized in that: A control component (10) is fixedly arranged on the top of the outer wall of the butterfly valve frame (1), and a control component (10) is fixedly arranged on the top of the outer wall of the valve component (9).

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