An adjustable butterfly valve device

Abstract

The utility model discloses an adjustable butterfly valve device, which relates to the technical field of butterfly valve devices, including a butterfly valve body, a transmission mechanism and a filtering mechanism. Grooves are arranged on the surfaces of both ends of the butterfly valve body, a detachable filtering mechanism is arranged in the groove, a connecting rod is arranged on the butterfly valve body, the butterfly valve body is rotatably connected with the connecting rod, a valve sheet is arranged on the connecting rod, and a transmission mechanism driven by a gear is arranged at one end of the connecting rod. The beneficial effects of the utility model are: turning the hand wheel drives the active bevel gear on the rotating rod to rotate, drives the connecting rod on the driven bevel gear to rotate, thereby controlling the switch of the valve sheet, and then controlling the flow of the butterfly valve body. When it is necessary to clean the dirt, the pulling rod is pulled to compress the spring, so that the card slot between the card block and the filter frame is separated, and the filter frame is taken out from the groove of the butterfly valve body. The filtering mechanism can filter and block the dirt in the impurities, so that the dirt is not easy to flow into the butterfly valve body, making cleaning more convenient, saving time and effort.

Description

Technical Field

[0001] The utility model relates to the technical field of butterfly valve devices, in particular to an adjustable butterfly valve device. Background Art

[0002] A butterfly valve, also known as a flap valve, is a simple control valve that is usually used to control the switch of low-pressure pipeline media. It is generally disc-shaped and can achieve the switching effect by rotating around the valve axis. The butterfly valve has a compact structure, small overall size, short construction length, small size, and light weight. It is suitable for large-diameter valves and has good adjustment performance. Butterfly valves can be divided into rubber plate type, vertical plate type, inclined plate type, and lever type according to their structure. However, when the existing butterfly valve device is in use, dirt is easily left in the butterfly valve, which affects the normal operation of the butterfly valve. In addition, manual cleaning is not only time-consuming and labor-intensive, but also has low work efficiency, making it inconvenient to use. Utility Model Content

[0003] The utility model provides an adjustable butterfly valve device, which solves the existing problems.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an adjustable butterfly valve device, including a butterfly valve body, a transmission mechanism and a filtering mechanism, grooves are provided on the surfaces of both ends of the butterfly valve body, a detachable filtering mechanism is provided in the groove, a connecting rod is provided on the butterfly valve body, the butterfly valve body is rotatably connected to the connecting rod, a valve plate is provided on the connecting rod, and a transmission mechanism driven by a gear is provided at one end of the connecting rod.

[0005] Preferably, the filtering mechanism includes a spring, a card block, a pull rod, a filter frame and a filter net, a through groove is provided on one side of the groove, a spring is provided in the through groove, the other end of the spring is connected to the card block, a pull rod is provided on the card block, a card slot is provided on the filter frame, the card block and the filter frame are connected via the card slot, and a filter net is provided on the filter frame.

[0006] Preferably, the transmission mechanism includes a transmission box, a driving bevel gear, a driven bevel gear and a rotating rod, one end of the connecting rod is connected to the inner wall of the transmission box, the connecting rod is provided with a driven bevel gear, one side of the transmission box is provided with a rotating rod, the transmission box is rotatably connected to the rotating rod, one end of the rotating rod is provided with a driving bevel gear, and the driving bevel gear and the driven bevel gear are meshed with each other.

[0007] Preferably, one end of the rotating rod passes through the transmission box and is connected to a hand wheel.

[0008] Preferably, through holes are formed on both end surfaces of the butterfly valve body and are evenly arranged therethrough.

[0009] Preferably, a sealing gasket is provided on the valve plate, and the sealing gasket is made of rubber material.

[0010] The beneficial effects of the utility model are as follows: turning the hand wheel drives the active bevel gear on the rotating rod to rotate, the active bevel gear and the driven bevel gear mesh with each other, driving the connecting rod on the driven bevel gear to rotate, thereby controlling the switch of the valve plate, and then controlling the flow of the butterfly valve body; when it is necessary to clean the dirt, the pulling rod is pulled to compress the spring, so that the card slot between the card block and the filter frame is separated, and the filter frame is taken out from the groove of the butterfly valve body; the filter mechanism can filter and block the dirt in the impurities, so that the dirt is not easy to flow into the butterfly valve body, thereby ensuring the normal operation of the butterfly valve, saving time and effort, and improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model.

[0012] Figure 2 It is a partial structural schematic diagram of the utility model.

[0013] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0014] Numbers in the figure: 1. Butterfly valve body; 2. Transmission mechanism; 3. Filter mechanism; 4. Connecting rod; 5. Valve plate; 6. Spring; 7. Block; 8. Pull rod; 9. Filter frame; 10. Filter screen; 11. Transmission box; 12. Driving bevel gear; 13. Driven bevel gear; 14. Rotating rod; 15. Hand wheel; 16. Through hole; 17. Sealing gasket; 18. Groove. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0016] Reference Figure 1-Figure 3 As shown, an adjustable butterfly valve device includes a butterfly valve body 1, a transmission mechanism 2 and a filtering mechanism 3. Grooves 18 are provided on the surfaces of both ends of the butterfly valve body 1. A detachable filtering mechanism 3 is provided in the groove 18. A connecting rod 4 is provided on the butterfly valve body 1. The butterfly valve body 1 is rotatably connected to the connecting rod 4. A valve plate 5 is provided on the connecting rod 4. A transmission mechanism 2 driven by a gear is provided at one end of the connecting rod 4.

[0017] The filter mechanism 3 includes a spring 6, a block 7, a pull rod 8, a filter frame 9 and a filter net 10. A through groove is provided on one side of the groove 18, and a spring 6 is provided in the through groove. The other end of the spring 6 is connected to the block 7. A pull rod 8 is provided on the block 7. A slot is provided on the filter frame 9. The block 7 and the filter frame 9 are connected through the slot. The filter net 10 is provided on the filter frame 9. The pull rod 8 is pulled to compress the spring 6, so that the slot between the block 7 and the filter frame 9 is separated, and the filter frame 9 is taken out from the groove 18 of the butterfly valve body 1. The filter mechanism 3 can filter and block the dirt in the impurities, so that the dirt is not easy to flow into the butterfly valve body 1, making cleaning more convenient, saving time and effort.

[0018] The transmission mechanism 2 includes a transmission box 11, a driving bevel gear 12, a driven bevel gear 13 and a rotating rod 14. One end of the connecting rod 4 is connected to the inner wall of the transmission box 11. The connecting rod 4 is provided with a driven bevel gear 13. A rotating rod 14 is provided on one side of the transmission box 11. The transmission box 11 is rotatably connected with the rotating rod 14. One end of the rotating rod 14 is provided with a driving bevel gear 12. The driving bevel gear 12 and the driven bevel gear 13 are meshed with each other. The hand wheel 15 is rotated to drive the driving bevel gear 12 on the rotating rod 14 to rotate. The driving bevel gear 12 and the driven bevel gear 13 are meshed with each other, driving the connecting rod 4 on the driven bevel gear 13 to rotate, thereby controlling the switch of the valve plate 5, and then controlling the flow of the butterfly valve body 1, making it more convenient to use. One end of the rotating rod 14 passes through the transmission box 11 and is connected with the hand wheel 15, which is convenient for controlling the valve plate 5. Through holes 16 that penetrate and are evenly arranged are opened on the surfaces of both ends of the butterfly valve body 1. A sealing gasket 17 is provided on the valve plate 5. The sealing gasket 17 is made of rubber material, which makes the sealing better.

[0019] Working principle: When the device of the utility model is in use, the hand wheel 15 is rotated to drive the active bevel gear 12 on the rotating rod 14 to rotate, and the active bevel gear 12 and the driven bevel gear 13 are meshed with each other, driving the connecting rod 4 on the driven bevel gear 13 to rotate, thereby controlling the switch of the valve plate 5, and then controlling the flow of the butterfly valve body 1, pulling the pulling rod 8, compressing the spring 6, so that the card slot between the card block 7 and the filter frame 9 is separated, and the filter frame 9 is taken out from the groove 18 of the butterfly valve body 1, so that it is easy to disassemble and clean, ensuring that the inside of the butterfly valve body 1 is relatively clean, so that dirt is not easy to affect the normal operation of the butterfly valve body 1.

[0020] 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. An adjustable butterfly valve device, comprising a butterfly valve body (1), a transmission mechanism (2) and a filtering mechanism (3), characterized in that: The surfaces of both ends of the butterfly valve body (1) are provided with grooves (18), a detachable filtering mechanism (3) is provided in the grooves (18), a connecting rod (4) is provided on the butterfly valve body (1), the butterfly valve body (1) is rotatably connected to the connecting rod (4), a valve plate (5) is provided on the connecting rod (4), and a transmission mechanism (2) driven by a gear is provided at one end of the connecting rod (4); The filtering mechanism (3) comprises a spring (6), a clamping block (7), a pulling rod (8), a filter frame (9) and a filter net (10); a through groove is provided on one side of the groove (18); a spring (6) is provided in the through groove; the other end of the spring (6) is connected to the clamping block (7); a pulling rod (8) is provided on the clamping block (7); a clamping groove is provided on the filter frame (9); the clamping block (7) and the filter frame (9) are connected via the clamping groove; and a filter net (10) is provided on the filter frame (9).

2. The adjustable butterfly valve device according to claim 1, characterized in that: The transmission mechanism (2) comprises a transmission box (11), a driving bevel gear (12), a driven bevel gear (13) and a rotating rod (14); one end of the connecting rod (4) is connected to the inner wall of the transmission box (11); the driven bevel gear (13) is provided on the connecting rod (4); one side of the transmission box (11) is provided with a rotating rod (14); the transmission box (11) and the rotating rod (14) are rotatably connected; one end of the rotating rod (14) is provided with a driving bevel gear (12); the driving bevel gear (12) and the driven bevel gear (13) are meshed with each other.

3. The adjustable butterfly valve device according to claim 2, characterized in that: One end of the rotating rod (14) passes through the transmission box (11) and is connected to the hand wheel (15).

4. The adjustable butterfly valve device according to claim 1, characterized in that: The surfaces of both ends of the butterfly valve body (1) are provided with through holes (16) that penetrate through and are evenly arranged.

5. The adjustable butterfly valve device according to claim 1, characterized in that: The valve plate (5) is provided with a sealing gasket (17), and the sealing gasket (17) is made of rubber material.

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