Directional gear transmission, sprocket transmission and bicycle
A technology of gear transmission and sprocket transmission, which is applied in the field of gear transmission and can solve problems such as changing the direction of the output shaft
Active Publication Date: 2018-08-03
武君
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Problems solved by technology
[0003] The purpose of the present invention is to provide a directional gear transmission, aiming at solving the problem that the steering of the output shaft of the existing gear transmission will change with the change of the steering of the drive shaft
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[0023] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0024] see figure 1 , figure 2 and Figure 4 , a sprocket transmission device 100 provided in an embodiment of the present invention includes a driving sprocket 12, a transmission chain 13, a directional gear transmission 20 and a driven sprocket 11, and the transmission chain 13 cooperates to connect the driving sprocket 12 and the driven chain Wheel 11, driven sprocket 11 is connected with directional gear transmission 20.
[0025] Please also refer to Figure 6 , the directional gear transmission 20 includes a drive shaft 21 , an output shaft 22 , a co-directional wheel set 40 , a reverse w...
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The invention is applicable to the field of gear transmission, and provides a directional gear transmission device, a sprocket transmission device using the directional gear transmission mechanism and a bicycle using the sprocket transmission device. The directional gear transmission device includes a drive shaft, an output shaft, a same-direction wheel set that drives the output shaft and the drive shaft to rotate in the same direction, a reverse wheel set that drives the output shaft and the drive shaft to rotate in the opposite direction, and is used to switch the drive shaft to drive the same direction. Switching mechanism for wheel set or reverse wheel set rotation. Use the same direction wheel set to connect the drive shaft to the output shaft, and use the reverse wheel set to connect the drive shaft to the output shaft at the same time. By setting the switching mechanism, the use of the same direction wheel set or the reverse wheel set can be switched through the switching mechanism. Therefore, it is ensured that the output shaft can always rotate in the same direction, and the directional rotation of the output shaft can be realized without changing with the change of the direction of rotation of the drive shaft. The bicycle uses a directional gear transmission, so that the bicycle can be moved forward when the pedals are turned forward or reversely.
Description
technical field [0001] The invention belongs to the field of gear transmission, and in particular relates to a directional gear transmission device, a sprocket transmission device using the directional gear transmission mechanism and a bicycle using the sprocket transmission device. Background technique [0002] The gear transmission generally connects the driven wheel with the output shaft, and the driving wheel meshes with the driven wheel directly or through the meshing of the idler wheel to change the speed, torque or direction of rotation of the output shaft relative to the driving wheel. When the steering of the driving wheel of the existing gear transmission device changes, the direction of the output shaft will also change accordingly. When this kind of gear transmission is in use, the driving device of the driving wheel needs to turn clearly, and the steering should be determined during installation. Once the driving device rotates in the opposite direction, the equ...
Claims
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IPC IPC(8): B62M11/02
Inventor 武君
Owner 武君