Low-noise flywheel
By designing threaded support rods, linkage gears and noise reduction rubber columns in low-noise flywheels, the problem of changing the entire flywheel in the existing technology is solved, and effective reduction of gear plate vibration and noise reduction is achieved, improving operation convenience.
Patent Information
- Application Number
- CN202421675918.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-15
- Publication Date
- 2025-04-29
- Estimated Expiration
- 2034-07-15
AI Technical Summary
The existing low-noise flywheel needs to be replaced when the gear disc is damaged, and the noise reduction process is only performed at the rotating shaft, which cannot eliminate the noise generated by the gear disc vibration, affecting the operation of the staff.
A low noise flywheel is designed including threaded support rods, connecting spindles, locking devices, linkage gears, noise reduction rubber columns and protective rear discs. Through the design of linkage gears and noise reduction columns, vibration of the gear disc is reduced and allows only damaged gear discs to be replaced without the need to replace the entire flywheel.
It realizes that the entire flywheel is not required to be replaced when replacing the damaged gear disc, and greatly reduces noise by reducing the gear disc vibration, improving the convenience of the staff.
Smart Images

Figure CN222811151U_ABST
Abstract
Description
Technical field:
[0001] The utility model belongs to the technical field of low-noise flywheel equipment for gear manufacturing, and in particular relates to a low-noise flywheel. Background technology:
[0002] When the existing low-noise flywheel is in use, if the sprocket is damaged, the gears on the flywheel are fixedly connected, so the entire flywheel needs to be replaced when replacing it. In addition, the existing low-noise flywheel only performs noise reduction treatment on the rotating shaft, and the noise generated by the vibration of the sprocket during driving cannot be eliminated, which is inconvenient for staff to operate and use. Utility model content:
[0003] The purpose of the utility model is that when a worker replaces a damaged toothed disc, he only needs to replace the damaged toothed disc without replacing the entire flywheel. In addition, during use, the vibration of each toothed disc can be reduced, the noise can be greatly reduced, and the operation and use of the worker are convenient. The technical scheme is as follows:
[0004] A low-noise flywheel, characterized in that: it comprises a threaded support rod 1 and a connecting spindle 2 connected at the center of the rear surface of the threaded support rod 1, a locking device 3 is inserted at the center of the front side surface of the connecting spindle 2, a plurality of linkage gears 4 are inserted vertically and evenly distributed on the side surface of the connecting spindle 2, and a plurality of noise-reducing rubber columns 5 are evenly distributed on the edges around the front surface of each linkage gear 4, a protective rear disc 6 is connected at the center of the rear surface of the connecting spindle 2, and a plurality of noise-reducing rubber columns 5 are evenly distributed on the edges around the front surface of the protective rear disc 6. The connecting main shaft 2 comprises a rotating shaft 2-1, an external thread 2-2, a key 2-3 and an anti-skid pattern 2-4. The front edge of the side surface of the rotating shaft 2-1 is provided with an external thread 2-2. The rear of the side surface of the rotating shaft 2-1 is symmetrically inserted with a key 2-3. The rear side surface of the rotating shaft 2-1 and the side surface of the key 2-3 are respectively provided with an anti-skid pattern 2-4. The threaded support rod 1 is connected to the center of the front surface of the rotating shaft 2-1. The rear surface of the rotating shaft 2-1 is connected to the center of the front surface of the protective rear plate 6. The locking device The device 3 includes an outer ring 3-1, a pressure plate 3-2, a groove 3-3 and a rubber ring 3-4. The pressure plate 3-2 is inserted at the rear edge of the side surface of the outer ring 3-1. A plurality of grooves 3-3 are evenly distributed around the outer surface of the pressure plate 3-2. The rubber ring 3-4 is connected to the edges of the rear surface of the outer ring 3-1. The inner side surface of the outer ring 3-1 is provided with an internal thread. The outer ring 3-1 is inserted on the rotating shaft 2-1. The internal internal thread of the outer ring 3-1 cooperates with the external thread 2-2. The rubber ring 3-4 is made of wear-resistant rubber. The linkage gear 4 is made of rubber material, and includes a toothed disc 4-1, a socket 4-2, a keyway 4-3 and a gasket 4-4. A socket 4-2 is provided at the center of the front surface of the toothed disc 4-1, a keyway 4-3 is provided above the inner side surface of the socket 4-2, and gaskets 4-4 are symmetrically connected at the outer edges of the front and rear surfaces of the socket 4-2. The socket 4-2 is inserted on the rotating shaft 2-1, and the key 2-3 is inserted in the keyway 4-3. A plurality of noise reduction rubber columns 5 are evenly distributed and inserted on the front surface of the toothed disc 4-1.
[0005] The beneficial effects of the utility model are as follows: when replacing a damaged sprocket, the staff only needs to replace the damaged sprocket without replacing the entire flywheel, and during use, the vibration of each sprocket can be reduced, the noise is greatly reduced, and the operation is convenient for the staff. Description of the drawings:
[0006] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0007] Figure 2 This is a schematic diagram of the structure of the connecting spindle 2 of the utility model;
[0008] Figure 3It is a structural schematic diagram of the locking device 3 of the utility model;
[0009] Figure 4 It is a schematic diagram of the structure of the linkage gear 4 of the utility model;
[0010] In the figure: threaded support rod 1, connecting main shaft 2, locking device 3, linkage gear 4, noise reduction rubber column 5, protective rear plate 6, weight reduction through hole 7, rotating shaft 2-1, external thread 2-2, key 2-3, anti-slip pattern 2-4, outer ring 3-1, pressure plate 3-2, groove 3-3, rubber ring 3-4, toothed plate 4-1, jack 4-2, keyway 4-3, gasket 4-4. Specific implementation method:
[0011] Reference Figure 1 Figure 2 Figure 3 Figure 4The low-noise flywheel is characterized in that it includes a threaded support rod 1 and a connecting spindle 2 connected at the center of the rear surface of the threaded support rod 1, a locking device 3 is inserted at the center of the front side surface of the connecting spindle 2, a plurality of linkage gears 4 are evenly distributed and inserted on the side surface of the connecting spindle 2 in a vertical row, and a plurality of noise reduction rubber columns 5 are evenly distributed and inserted on the edges around the front surface of each linkage gear 4, a protective rear disc 6 is connected at the center of the rear surface of the connecting spindle 2, and a plurality of noise reduction rubber columns 5 are evenly distributed on the edges around the front surface of the protective rear disc 6. A weight-reducing through hole 7, the connecting main shaft 2 includes a rotating shaft 2-1, an external thread 2-2, a key 2-3 and an anti-skid pattern 2-4, the front edge of the side surface of the rotating shaft 2-1 is provided with an external thread 2-2, the rear of the side surface of the rotating shaft 2-1 is symmetrically inserted with a key 2-3, and the rear of the side surface of the rotating shaft 2-1 and the side surface of the key 2-3 are respectively provided with an anti-skid pattern 2-4, the threaded support rod 1 is connected to the center of the front surface of the rotating shaft 2-1, the rear surface of the rotating shaft 2-1 is connected to the center of the front surface of the protective rear plate 6, and the locking The device 3 includes an outer ring 3-1, a pressure plate 3-2, a groove 3-3 and a rubber ring 3-4. The pressure plate 3-2 is inserted at the rear edge of the side surface of the outer ring 3-1. A plurality of grooves 3-3 are evenly distributed around the outer surface of the pressure plate 3-2. The rubber ring 3-4 is connected to the edges of the rear surface of the outer ring 3-1. The inner side surface of the outer ring 3-1 is provided with an internal thread. The outer ring 3-1 is inserted on the rotating shaft 2-1. The internal internal thread of the outer ring 3-1 cooperates with the external thread 2-2. The rubber ring 3-4 is wear-resistant. Made of rubber material, the linkage gear 4 includes a toothed disc 4-1, a socket 4-2, a keyway 4-3 and a gasket 4-4. A socket 4-2 is provided at the center of the front surface of the toothed disc 4-1, a keyway 4-3 is provided above the inner side surface of the socket 4-2, and gaskets 4-4 are symmetrically connected at the outer edges of the front and rear surfaces of the socket 4-2. The socket 4-2 is inserted on the rotating shaft 2-1, and the key 2-3 is inserted in the keyway 4-3. A plurality of noise reduction rubber columns 5 are evenly distributed and inserted on the front surface of the toothed disc 4-1.
[0012] When in use, the staff first inserts the toothed discs 4-1 on several linkage gears 4 of different sizes onto the rotating shaft 2-1 connected to the main shaft 2, and inserts the key 2-3 into the keyway 4-3. Then the outer ring 3-1 on the locking device 3 penetrates the threaded support rod 1 and is tightened on the rotating shaft 2-. At the same time, the external thread 2-2 cooperates with the internal thread in the outer ring 3-1. Finally, the chain is installed on the toothed disc 4-1 and it can be used. During use, the noise reduction rubber column 5 contacts the rear toothed disc 4-1 to reduce the vibration of the toothed disc 4-1 and reduce noise.
[0013] When replacing the toothed disc 4-1, insert a wrench into the groove 3-3 on the pressure plate 3-2 to remove the outer ring 3-1 for replacement. The rubber ring 3-4 and the gasket ring 4-4 can also reduce the vibration of the toothed disc 4-1 when in use.
[0014] Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by technicians in this technical field within the essential scope of the present invention should also fall within the protection scope of the present invention.
Claims
1. A low noise flywheel, characterized in that: The invention comprises a threaded support rod (1) and a connecting spindle (2) connected at the center of the rear surface of the threaded support rod (1); a locking device (3) is inserted at the center of the front side surface of the connecting spindle (2); a plurality of linkage gears (4) are inserted vertically and evenly distributed on the side surface of the connecting spindle (2); a plurality of noise reduction rubber columns (5) are evenly distributed on the edges around the front surface of each linkage gear (4); a protective rear disc (6) is connected at the center of the rear surface of the connecting spindle (2); a plurality of weight reduction through holes (7) are evenly distributed on the edges around the front surface of the protective rear disc (6).
2. A low noise flywheel according to claim 1, characterized in that: The connecting main shaft (2) comprises a rotating shaft (2-1), an external thread (2-2), a key (2-3) and an anti-skid pattern (2-4); the front edge of the side surface of the rotating shaft (2-1) is provided with an external thread (2-2); the rear of the side surface of the rotating shaft (2-1) is symmetrically inserted with a key (2-3); the rear periphery of the side surface of the rotating shaft (2-1) and the periphery of the side surface of the key (2-3) are respectively provided with an anti-skid pattern (2-4); the threaded support rod (1) is connected to the center of the front surface of the rotating shaft (2-1); and the rear surface of the rotating shaft (2-1) is connected to the center of the front surface of the protective rear plate (6).
3. A low noise flywheel according to claim 2, characterized in that: The locking device (3) comprises an outer ring (3-1), a pressure plate (3-2), a groove (3-3) and a rubber ring (3-4); the pressure plate (3-2) is inserted at the rear edge of the side surface of the outer ring (3-1); a plurality of grooves (3-3) are evenly distributed around the outer surface of the pressure plate (3-2); the rubber ring (3-4) is connected to the edges around the rear surface of the outer ring (3-1); the inner side surface of the outer ring (3-1) is provided with an internal thread; the outer ring (3-1) is inserted on the rotating shaft (2-1); the internal internal thread of the outer ring (3-1) cooperates with the external thread (2-2); and the rubber ring (3-4) is made of wear-resistant rubber material.
4. A low noise flywheel according to claim 2, characterized in that: The linkage gear (4) comprises a toothed disc (4-1), a socket (4-2), a keyway (4-3) and a gasket (4-4); the toothed disc (4-1) is provided with a socket (4-2) at the center of the front surface; the socket (4-2) is provided with a keyway (4-3) above the inner side surface; the gasket (4-4) is symmetrically connected to the outer edges of the front and rear surfaces of the socket (4-2); the socket (4-2) is inserted on the rotating shaft (2-1); the key (2-3) is inserted inside the keyway (4-3); and a plurality of noise reduction rubber columns (5) are evenly distributed and inserted on the front surface of the toothed disc (4-1).