Electric wafer butterfly valve

Abstract

The utility model provides an electric wafer butterfly valve, which relates to the technical field of butterfly valves, and comprises an electric actuating mechanism and a valve body, the lower part of the electric actuating mechanism is provided with a rotating shaft, the lower end of the rotating shaft is fixedly provided with a valve rod, the valve rod is fixed in the center of a valve plate, and the valve rod and the valve plate are of an overturning structure. The valve rod and the valve plate are both rotationally and movably arranged in a valve port formed in the valve body, a lower connecting base is arranged on the lower portion of the valve body, a lower connecting port is formed in the lower connecting base, the lower end of the valve rod is rotationally connected into the lower connecting port, a plurality of sets of first embedded blocks are annularly arranged on the outer ring face of the valve plate, and the first embedded blocks are made of rubber materials. And a first embedding opening is formed between every two groups of first embedding blocks which are adjacent up and down. The check valve is firm and firm in installation, wear-resistant, impact-resistant and durable in use, the valve port is closed by positioning and rotating, the valve port is prevented from inclining or shaking due to impact, medium leakage is avoided, and the check valve is safer and more reliable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valves, and particularly relates to an electric wafer butterfly valve. Background Art

[0002] The butterfly plate of the wafer 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, and the rotation angle is between 0° and 90°. When it rotates to 90°, the valve is in the fully open state. This valve is generally installed horizontally. The wafer butterfly valve has a simple structure, small size and light weight, and is composed of only a few parts. Moreover, it can be quickly opened and closed by rotating only 90°, with simple operation. At the same time, the valve has good fluid control characteristics.

[0003] In the specification of an electric wafer butterfly valve in the prior art (publication number CN221196104U), it is mentioned that "a fixing ring is fixedly installed on the side surface of the wafer valve body, a fixing seat is fixedly connected to the side surface of the fixing ring, a first threaded column is fixedly connected to the side surface of the fixing seat, a threaded sleeve ring is threadedly connected to the side surface of the first threaded column, a second threaded column is threadedly connected to the other end of the threaded sleeve ring, a protruding block is fixedly connected to the end of the second threaded column, and a top cap is rotatably installed on the side surface of the protruding block". However, in the prior art, the fixing ring and the valve body of the butterfly valve are fixed by threaded columns, and leakage may occur in the gap between them, and the use is not tight and reliable. Summary of the Utility Model

[0004] In order to overcome the defects existing in the prior art, the present utility model provides an electric wafer butterfly valve to solve the problem that in the prior art, the fixing ring and the valve body of the butterfly valve are fixed by threaded columns, and leakage may occur in the gap between them, and the use is not tight and reliable.

[0005] To achieve the above object, an electric wafer butterfly valve is provided, which includes an electric actuator and a valve body. A rotating shaft is installed at the lower part of the electric actuator, and a valve stem is fixed at the lower end of the rotating shaft. The valve stem is fixed at the center of the valve plate, and the valve stem and the valve plate are of a flipping structure. Both the valve stem and the valve plate rotate and move in a valve port opened in the valve body, and a lower connecting seat is arranged at the lower part of the valve body. A lower connecting port is opened in the lower connecting seat, and the lower end of the valve stem is rotatably connected in the lower connecting port.

[0006] Further, a plurality of groups of first inlays are annularly arranged on the outer ring surface of the valve plate. The first inlays are made of rubber material, and a first inlay opening is arranged between two adjacent groups of first inlays up and down.

[0007] Further, upper reinforcing rods, middle reinforcing rods, and lower reinforcing rods are fixed to both the left and right side surfaces of the valve plate. Moreover, a [missing part] is fixed between the middles of the upper reinforcing rods, middle reinforcing rods, and lower reinforcing rods, and the upper reinforcing rods, middle reinforcing rods, and lower reinforcing rods are all made of carbon steel.

[0008] Further, an upper mounting seat is provided at the upper part of the valve body. Side cover plates are fixed to both the left and right sides of the upper mounting seat, and multiple groups of side fixing rods are fixed between the lower side surface of the side cover plate and the upper part of the outer side surface of the valve body.

[0009] Further, a groove is provided in the middle of the outer ring surface of the valve body, and the valve body is made of cast steel.

[0010] Further, multiple groups of second inlays are annularly arranged on the inner side surface of the valve body. The second inlays are made of rubber. A second inlay opening is provided between two adjacent upper and lower second inlays, and the first inlay and the second inlay opening, and the second inlay and the first inlay opening are arranged in an interlocking manner.

[0011] The beneficial effects of the present utility model are as follows:

[0012] 1. The upper reinforcing rods, middle reinforcing rods, and lower reinforcing rods fixed inside the left and right parts of the valve plate of the present utility model help to enhance the strength of the gate plate, making it more resistant to medium impact, more resistant to rotational movement, more firm and durable, and long-lasting.

[0013] 2. The outside of the valve body of the present utility model is reinforced by the side cover plates and side fixing rods, enhancing its pressure-bearing performance. Moreover, the valve body itself is made of strong and firm materials, wear-resistant and impact-resistant, with a longer service life.

[0014] 3. The first inlays and first inlay openings provided on the outer ring surface of the valve plate of the present utility model cooperate with the second inlays and second inlay openings on the inner side wall of the valve body. When closing the valve port, it is convenient to rotate and fit together, and when opening the valve port, it will rotate and separate, which helps the valve plate to close the valve port tightly and reliably, avoiding shaking or skewing, and making the use more tight and reliable. Description of the Drawings

[0015] Figure 1 is the front view schematic diagram of the embodiment of the present utility model;

[0016] Figure 2 is the left view schematic diagram of the embodiment of the present utility model;

[0017] Figure 3 is the valve plate structure schematic diagram of the embodiment of the present utility model;

[0018] Figure 4 is the valve body structure schematic diagram of the embodiment of the present utility model.

[0019] In the figure: 1. Electric actuator; 10. Rotating shaft; 11. Valve stem; 12. Valve plate; 13. First inlay block; 14. First inlay opening; 15. Upper reinforcing rod; 16. Middle reinforcing rod; 17. Side fixing rod; 18. Lower reinforcing rod; 2. Valve body; 20. Upper mounting seat; 21. Side cover plate; 22. Side fixing rod; 23. Groove; 24. Second inlay block; 25. Second inlay opening; 26. Valve port; 27. Lower connecting seat; 28. Lower connecting port. Detailed implementation manners

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of protection of the present disclosure.

[0021] The following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings.

[0022] Figure 1 is the front view schematic diagram of the embodiment of the present utility model, Figure 2 is the left view schematic diagram of the embodiment of the present utility model, Figure 3 is the valve plate structure schematic diagram of the embodiment of the present utility model and Figure 4 is the valve body structure schematic diagram of the embodiment of the present utility model.

[0023] Referring to Figures 1 to 4 as shown, the present utility model provides an electric wafer butterfly valve, including an electric actuator 1 and a valve body 2. A rotating shaft 10 is installed at the lower part of the electric actuator 1, and a valve stem 11 is fixed at the lower end of the rotating shaft 10. The valve stem 11 is fixed at the center of the valve plate 12, and the valve stem 11 and the valve plate 12 are of a flipping structure. Both the valve stem 11 and the valve plate 12 rotate and move in a valve port 26 opened in the valve body 2, and a lower connecting seat 27 is arranged at the lower part of the valve body 2. A lower connecting port 28 is opened in the lower connecting seat 27, and the lower end of the valve stem 11 is rotatably connected in the lower connecting port 28.

[0024] In this embodiment, multiple groups of first inserts 13 are annularly arranged on the outer ring surface of the valve plate 12. The first inserts 13 are made of rubber material, and a first insert opening 14 is provided between two adjacent groups of first inserts 13 up and down. Upper reinforcing rods 15, middle reinforcing rods 16, and lower reinforcing rods 18 are fixed to both the left and right side surfaces of the valve plate 12. And a 17 is fixed between the middles of the upper reinforcing rods 15, middle reinforcing rods 16, and lower reinforcing rods 18. Moreover, the upper reinforcing rods 15, middle reinforcing rods 16, and lower reinforcing rods 18 are all made of carbon steel material.

[0025] As a preferred embodiment, the upper reinforcing rods 15, middle reinforcing rods 16, 17, and lower reinforcing rods 18 fixed inside the left and right parts of the valve plate 12 of the present utility model help to enhance the strength of the gate plate, making it more resistant to medium impact, more resistant to rotational movement, more firm and durable.

[0026] In this embodiment, an upper mounting seat 20 is provided on the upper part of the valve body 2. Side cover plates 21 are fixed to both the left and right sides of the upper mounting seat 20. And multiple groups of side fixing rods 22 are fixed between the lower side surface of the side cover plate 21 and the upper part of the outer side surface of the valve body 2. A groove 23 is provided in the middle of the outer ring surface of the valve body 2. And the valve body 2 is made of cast steel material.

[0027] As a preferred embodiment, the outside of the valve body 2 of the present utility model is reinforced by the side cover plates 21 and the side fixing rods 22, making its pressure-bearing performance enhanced. Moreover, the valve body 2 itself is made of strong and firm materials, wear-resistant and impact-resistant, and has a longer service life.

[0028] In this embodiment, multiple groups of second inserts 24 are annularly arranged on the inner side surface of the valve body 2. The second inserts 24 are made of rubber material, and a second insert opening 25 is provided between two adjacent groups of second inserts 24 up and down. And the first inserts 13 are fitted with the second insert openings 25, and the second inserts 24 are fitted with the first insert openings 14.

[0029] As a preferred embodiment, the first inserts 13 and the first insert openings 14 provided on the outer ring surface of the valve plate 12 cooperate with the second inserts 24 and the second insert openings 25 on the inner side wall of the valve body 2 of the present utility model. When closing the valve port, it is convenient to rotate and fit together. When opening the valve port, they will rotate and separate, which helps the valve plate to close the valve port with tight and reliable positioning, avoiding shaking or skewing, and making the use more tight and reliable.

[0030] The present utility model can effectively solve the problem in the prior art that the fixing ring and the valve body of the butterfly valve are fixed by threaded posts, and leakage may occur in the gap between them, and the use is not tight and reliable. The present utility model is installed firmly, wear-resistant and impact-resistant, and durable. Moreover, it positions and rotates to close the valve port, avoiding skewing or shaking due to impact, so as to prevent medium leakage and make the use safer and more reliable.

[0031] The above embodiments are used to explain the present utility model, rather than to limit the utility model. Any modifications and changes made to the present utility model within the spirit of the present utility model and the scope of the claimed rights for application shall be included within the protection scope of the present utility model.

Claims

1. An electric wafer butterfly valve, characterized in that: The invention comprises an electric actuator (1) and a valve body (2), wherein a rotating shaft (10) is installed at the lower part of the electric actuator (1), and a valve stem (11) is fixed at the lower end of the rotating shaft (10), the valve stem (11) is fixed at the center of a valve plate (12), and the valve stem (11) and the valve plate (12) are of a flip structure, the valve stem (11) and the valve plate (12) are both rotatable and movable in a valve port (26) opened in the valve body (2), and a lower connecting seat (27) is provided at the lower part of the valve body (2), a lower connecting port (28) is opened in the lower connecting seat (27), and the lower end of the valve stem (11) is rotatably connected in the lower connecting port (28).

2. The electric wafer butterfly valve according to claim 1, characterized in that: A plurality of groups of first embedded blocks (13) are arranged on the outer annular surface of the valve plate (12), and the first embedded blocks (13) are made of rubber material, and a first embedded opening (14) is arranged between two groups of first embedded blocks (13) adjacent to each other.

3. The electric wafer butterfly valve according to claim 1, characterized in that: An upper reinforcing rod (15), a middle reinforcing rod (16) and a lower reinforcing rod (18) are fixed to the left and right sides of the valve plate (12), and (17) is fixed between the middle parts of the upper reinforcing rod (15), the middle reinforcing rod (16) and the lower reinforcing rod (18), and the upper reinforcing rod (15), the middle reinforcing rod (16) and the lower reinforcing rod (18) are all made of carbon steel.

4. The electric wafer butterfly valve according to claim 1, characterized in that: An upper mounting seat (20) is provided on the upper part of the valve body (2), and side cover plates (21) are fixed on both left and right sides of the upper mounting seat (20), and a plurality of side fixing rods (22) are fixed between the lower side surface of the side cover plate (21) and the upper part of the outer side surface of the valve body (2).

5. The electric wafer butterfly valve according to claim 1, characterized in that: A groove (23) is provided in the middle of the outer ring surface of the valve body (2), and the valve body (2) is made of cast steel.

6. The electric wafer butterfly valve according to claim 1, characterized in that: A plurality of groups of second embedded blocks (24) are arranged on the inner side surface of the valve body (2), the second embedded blocks (24) are made of rubber material, and a second embedded opening (25) is arranged between two groups of second embedded blocks (24) adjacent to each other, and the first embedded block (13) and the second embedded opening (25) are embedded with each other, and the second embedded block (24) and the first embedded opening (14) are embedded with each other.

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