Double-clip type butterfly valve

Abstract

The utility model discloses a wafer type butterfly valve which comprises a valve body, a valve plate and a valve handle are respectively arranged on the valve body, an annular plate is fixedly installed on the valve body, a plurality of clamping grooves are respectively formed in the annular plate, an installation groove is formed in the valve handle, a clamping block and a top plate are respectively installed in the installation groove through an elastic mechanism, and the clamping block and the top plate are arranged on the valve body. The top plate is adjusted outwards, under the matching action of the elastic mechanism, the clamping block is driven to be separated from the first clamping groove, then the valve handle is adjusted to rotate, the valve plate in the valve body is gradually opened, and when the valve plate is opened to a proper angle, the top plate is loosened, so that the valve plate is opened to a proper angle, and the clamping block is clamped in the clamping groove. And under the elastic action of the spring, the clamping blocks are inserted into the corresponding clamping grooves in the annular plate, so that the position of the valve handle is fixed after the angle is adjusted, the situation of misoperation of the valve handle is reduced, and then the use stability of the valve body is guaranteed.

Description

Technical Field

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

[0002] A butterfly valve, also known as a flap valve, is a regulating valve with a simple structure. It can be used for on-off control of low-pressure pipeline media. A butterfly valve refers to a valve with a closing member as a disc, which rotates around the valve axis to achieve opening and closing. The butterfly plate of the wafer-type butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis with a rotation angle of 0°-90°, which can play a role in flow regulation. When the butterfly plate rotates to 90°, the valve reaches the maximum opening.

[0003] The existing wafer-type butterfly valve cannot control the opening angle of the valve handle, which can easily cause the valve handle to be misoperated, affecting the stability of the wafer-type butterfly valve. Therefore, we propose a wafer-type butterfly valve to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a clamp-type butterfly valve for solving the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A clamp-type butterfly valve comprises a valve body, on which a valve plate and a valve handle are respectively arranged, an annular plate is fixedly mounted on the valve body, a plurality of slots are respectively provided on the annular plate, an installation slot is provided in the valve handle, a clamping block and a top plate are respectively installed in the installation slot via an elastic mechanism, the clamping block is plugged into the corresponding clamping slot, and a limiting mechanism for the elastic mechanism is provided in the installation slot.

[0007] Preferably, multiple slots are arranged at 90 degrees on the annular plate, and the card block is adapted to the slots. When the card block is inserted into the first slot, the valve plate in the valve body is in a closed state. As the regulating valve handle rotates, the valve plate gradually becomes open. When the valve plate is opened to a suitable angle, the card block is inserted into the corresponding slot on the annular plate, thereby fixing the position of the valve handle after angle adjustment.

[0008] Preferably, the elastic mechanism includes a mounting plate and a spring, the mounting plate is movably installed in the mounting groove, the mounting plate is fixedly connected to the clamping block and the top plate, one end of the spring is fixedly installed on one side of the mounting plate, and the other end of the spring is fixedly installed on one side inner wall of the mounting groove, so that the movable position of the mounting plate can be easily adjusted by the elastic mechanism.

[0009] Preferably, the top plate is located above the mounting plate, and the clamping block is located below the mounting plate, so that when the top plate is adjusted, the position of the mounting plate and the clamping block can be moved.

[0010] Preferably, the limiting mechanism includes a limiting groove and a limiting block, and the inner wall of the mounting groove is respectively provided with two limiting grooves, and limiting blocks are movably installed in the two limiting grooves. The two limiting blocks are fixedly installed on the mounting plate, and the mounting plate is limited by the limiting mechanism to prevent the mounting plate from being offset during movement.

[0011] Preferably, the valve body is provided with a plurality of mounting holes, which are distributed in a circular array to facilitate installation and connection between the valve body and the pipeline.

[0012] Compared with the prior art, the beneficial effect of the utility model is that the clamping butterfly valve, by adjusting the top plate outward, drives the card block to disengage from the first card slot under the cooperation of the elastic mechanism, and then gradually opens the valve plate in the valve body by adjusting the rotation of the valve handle. When the valve plate is opened to a suitable angle, by loosening the top plate, the card block is inserted into the corresponding card slot on the annular plate under the elastic force of the spring, thereby fixing the position of the valve handle after the angle adjustment, reducing the occurrence of misoperation of the valve handle, and thus ensuring the stability of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model in a three-dimensional partial cross-section;

[0014] Figure 2 For this utility model Figure 1 The structural diagram of part A in the figure;

[0015] Figure 3 It is a structural schematic diagram of a partial cross-section of the valve handle of the utility model.

[0016] In the figure: 1. valve body; 2. valve plate; 3. valve handle; 4. annular plate; 5. clamping groove; 6. mounting groove; 7. mounting plate; 8. spring; 9. clamping block; 10. top plate; 11. limit groove; 12. limit block; 13. mounting hole. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Refer to Figure 1-3 A wafer-type butterfly valve comprises a valve body 1, a valve plate 2 and a valve handle 3 are respectively arranged on the valve body 1, an annular plate 4 is fixedly installed on the valve body 1, a plurality of card slots 5 are respectively opened on the annular plate 4, a mounting groove 6 is opened in the valve handle 3, a card block 9 and a top plate 10 are respectively installed in the mounting groove 6 through an elastic mechanism, the elastic mechanism comprises a mounting plate 7 and a spring 8, a mounting plate 7 is movably installed in the mounting groove 6, the mounting plate 7 is fixedly connected with the card block 9 and the top plate 10, one end of the spring 8 is fixedly installed on one side of the mounting plate 7, and the other end of the spring 8 is fixedly installed on The inner wall of one side of the mounting groove 6 facilitates the adjustment of the movable position of the mounting plate 7 through an elastic mechanism; the clamping block 9 is inserted into the corresponding clamping slot 5, and a limiting mechanism for the elastic mechanism is arranged in the mounting groove 6, and the limiting mechanism includes a limiting groove 11 and a limiting block 12. Two limiting grooves 11 are respectively provided on the inner walls of the mounting groove 6, and limiting blocks 12 are movably installed in the two limiting grooves 11. The two limiting blocks 12 are fixedly installed on the mounting plate 7. The limiting mechanism is used to limit the mounting plate 7 to prevent the mounting plate 7 from being offset during movement.

[0019] Furthermore, multiple slots 5 are arranged at 90 degrees on the annular plate 4, and the block 9 is adapted to the slot 5. When the block 9 is inserted into the first slot 5, the valve plate 2 in the valve body 1 is in a closed state. As the valve handle 3 is adjusted to rotate, the valve plate 2 is gradually in an open state. When the valve plate 2 is opened to a suitable angle, the block 9 is inserted into the corresponding slot 5 on the annular plate 4, thereby fixing the position of the valve handle 3 after the angle adjustment.

[0020] Furthermore, the top plate 10 is located above the mounting plate 7 , and the clamping block 9 is located below the mounting plate 7 , so that when the top plate 10 is adjusted, the positions of the mounting plate 7 and the clamping block 9 can be moved.

[0021] Furthermore, the valve body 1 is provided with a plurality of mounting holes 13 , which are distributed in a circular array, so as to facilitate the installation and connection between the valve body 1 and the pipeline.

[0022] During use: During the use of the valve body 1, by adjusting the top plate 10 to move outward, the mounting plate 7 is driven to move in the mounting groove 6, so that the spring 8 is deformed and compressed by the external force, and at the same time, the two limit blocks 12 are driven to slide in the corresponding limit grooves 11 to limit the mounting plate 7 and prevent the mounting plate 7 from deflecting during the movement, thereby driving the clamping block 9 to disengage from the first clamping groove 5. After that, by adjusting the rotation of the valve handle 3, the valve plate 2 in the valve body 1 is gradually opened. When the valve plate 2 is opened to a suitable angle, by loosening the top plate 10, the clamping block 9 is inserted into the corresponding clamping groove 5 on the annular plate 4 under the elastic force of the spring 8, thereby fixing the position of the valve handle 3 after the angle adjustment, reducing the occurrence of misoperation of the valve handle 3, and thus ensuring the stability of the valve body 1.

[0023] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0024] 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 wafer-type butterfly valve, comprising a valve body (1), characterized in that: The valve body (1) is provided with a valve plate (2) and a valve handle (3), an annular plate (4) is fixedly mounted on the valve body (1), a plurality of slots (5) are respectively provided on the annular plate (4), a mounting slot (6) is provided in the valve handle (3), a clamping block (9) and a top plate (10) are respectively installed in the mounting slot (6) via an elastic mechanism, the clamping block (9) is plugged into the corresponding slot (5), and a limiting mechanism for the elastic mechanism is provided in the mounting slot (6).

2. A wafer-type butterfly valve according to claim 1, characterized in that: A plurality of card slots (5) are arranged at 90 degrees on the annular plate (4), and the card blocks (9) are adapted to the card slots (5).

3. A wafer-type butterfly valve according to claim 1, characterized in that: The elastic mechanism comprises a mounting plate (7) and a spring (8); the mounting plate (7) is movably mounted in the mounting groove (6); the mounting plate (7) is fixedly connected to the clamping block (9) and the top plate (10); one end of the spring (8) is fixedly mounted on one side of the mounting plate (7); and the other end of the spring (8) is fixedly mounted on an inner wall of one side of the mounting groove (6).

4. A wafer-type butterfly valve according to claim 3, characterized in that: The top plate (10) is located above the mounting plate (7), and the clamping block (9) is located below the mounting plate (7).

5. The wafer-type butterfly valve according to claim 1, characterized in that: The limiting mechanism comprises a limiting groove (11) and a limiting block (12); the inner wall of the mounting groove (6) is provided with two limiting grooves (11), the limiting blocks (12) are movably installed in the two limiting grooves (11), and the two limiting blocks (12) are fixedly installed on the mounting plate (7).

6. The wafer-type butterfly valve according to claim 1, characterized in that: The valve body (1) is respectively provided with a plurality of mounting holes (13), and the plurality of mounting holes (13) are distributed in a circular array.

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