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A bicycle transmission mechanism with a built-in planetary transmission

A technology of planetary transmission and variable speed transmission, which is applied in the direction of wheel transmission, vehicle gearbox, vehicle parts, etc., can solve the problems of complex structure and inconvenient operation, and achieve the effect of convenient operation and simple structure

Active Publication Date: 2018-10-26
ZHANGJIAGANG CHUANJUN VEHICLE IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the prior art, the transmission device is generally arranged outside the hub, the structure is relatively complicated, and the operation is inconvenient

Method used

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  • A bicycle transmission mechanism with a built-in planetary transmission
  • A bicycle transmission mechanism with a built-in planetary transmission
  • A bicycle transmission mechanism with a built-in planetary transmission

Examples

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Embodiment Construction

[0027] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0028] In order to achieve the purpose of the present invention, as Figure 1 to Figure 4 As shown, in one of the embodiments of the present invention, a built-in planetary transmission bicycle transmission mechanism is provided, including:

[0029] Two fixed seats 10, which are respectively fixedly connected with the vehicle frame of the bicycle;

[0030] The hub 20 is rotatably connected between the two fixed seats 10;

[0031] The central drive shaft 30 is passed through the hub 20;

[0032] The planetary transmission includes a sun gear 40, a planetary gear 41, a planetary carrier 42 and a ring gear 43, the ring gear 43 is arranged in the hub 20, the ring gear 43 is fixedly connected or integrally formed with a fixed seat 10, and the planetary carrier 42 is sleeved in the center On the transmission shaft 30, the planetary gear 41 is ar...

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PUM

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Abstract

The invention discloses a planetary gearbox built-in type bicycle speed change transmission mechanism. The planetary gearbox built-in type bicycle speed change transmission mechanism comprises two fixed seats, a wheel hub, a central transmission shaft, a planetary gearbox, two treading cranks and a gear shifting assembly, wherein the fixed seats are fixedly connected with a frame of a bicycle respectively; the wheel hub is rotatably connected between the two fixed seats; the central transmission shaft penetrates into the wheel hub; the planetary gearbox comprises a central wheel, a planetary gear, a planetary carrier and a gear ring; the gear ring is arranged in the wheel hub; the planetary carrier sleeves on the central transmission shaft; the planetary gear is arranged on the planetary carrier; the planetary gear is further externally engaged with the central wheel; the central wheel is in transmission connection with the wheel hub; the two treading cranks are fixedly connected to the two ends of the central transmission shaft respectively; the gear shifting assembly comprises a gear shifting spline and a gear stirring mechanism; the gear shifting spline sleeves on the central transmission shaft; and the gear stirring mechanism is in transmission connection with the gear shifting spline. Compared with the prior art, the planetary gearbox is arranged in the wheel hub and the gear stirring mechanism drives the gear shifting spline to move to be in transmission connection with the central wheel or the planetary carrier so that gear shifting of vehicles is realized; and the planetary gearbox built-in type bicycle speed change transmission mechanism is simple in structure and convenient to operate.

Description

technical field [0001] The invention belongs to the technical field of vehicle drive, and in particular relates to a bicycle transmission mechanism with a built-in planetary transmission. Background technique [0002] A bicycle is a means of transportation in people's daily life, and usually has at least one speed change device, which is used for shift control of vehicle running. [0003] In the prior art, the speed change device is generally arranged on the outside of the hub, the structure is relatively complicated, and the operation is inconvenient. [0004] Therefore, need badly a kind of easy-to-operate planetary transmission built-in bicycle transmission mechanism. Contents of the invention [0005] In order to solve the above technical problems, the present invention provides a bicycle transmission mechanism with a built-in planetary transmission. [0006] In order to achieve the above object, technical scheme of the present invention is as follows: [0007] The ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M11/16
CPCB62M11/16
Inventor 黄英可
Owner ZHANGJIAGANG CHUANJUN VEHICLE IND CO LTD
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