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Hub structure

A hub and shell technology, which is applied in the field of bicycle hub structures, can solve the problems of less meshing bonding area, loss of structural bonding stability, and low meshing force, and achieve good structural strength of components, smooth and stable rotation, and meshing large area effect

Active Publication Date: 2015-05-27
VOG IMAGE POLICE
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] However, although the above-mentioned design can rotate by virtue of the engagement of the ratchet block / movable ratchet and the ratchet ring to form a one-way driving effect, but because the number of ratchet blocks is quite small, the engaging area of ​​the ratchet block is relatively small. The engagement force is also lower and the transmission may be less effective
Secondly, the ratchet block is additionally assembled on the outer peripheral surface of the ratchet seat, and it must be able to swing for reverse idling, so the structural combination stability between the ratchet block and the ratchet seat may fall off due to long-term use If the situation occurs, once the ratchet piece falls off, it will be stuck between the ratchet part and the hub shell seat, thus making the ratchet cylinder unable to rotate any more

Method used

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Embodiment Construction

[0026] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in conjunction with the accompanying drawings.

[0027] figure 1 It is a three-dimensional exploded schematic diagram of a hub structure of a bicycle in an embodiment of the present invention. figure 2 It is a combined cross-sectional schematic diagram of an embodiment of the present invention. image 3 It is a schematic cross-sectional view of a push-away idling state of an embodiment of the present invention. The hub structure 100 mainly includes a spindle 110 , a casing 120 , an elastic member 130 , a first bearing 140 and a transmission device.

[0028] The mandrel 110 extends along an axis, and the mandrel 110 axially passes through the housing 120 , and its two opposite ends are respectively pivotally connected to the bicycle frame. The casing 120 is substantially h...

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Abstract

The invention provides a hub structure. The hub structure is mainly characterized in that a shell is connected with a transmission device, and the transmission devices drives the shell to rotate; the transmission device is composed of a driving ratchet wheel and a driven ratchet wheel; one end face of the driving ratchet wheel is provided with a first ratchet ring, and on end face of the driven ratchet wheel is provided with a second ratchet ring; the first ratchet ring of the driving ratchet wheel is meshed with the second ratchet ring of the driven ratchet wheel; and the driven ratchet wheel is fixed to the shell in a radial manner and can axially displace in the shell.

Description

technical field [0001] The present invention relates to a bicycle component, in particular to a bicycle hub structure. Background technique [0002] The flower hub structure of general common bicycle at present, as China Taiwan No. I383499 invention patent, mainly comprises the flower hub shell seat 10 that is hollow tube, ratchet barrel 20, ratchet grip part 23, and is arranged on ratchet barrel 20 and installs. on the center 30 of the hub shell seat 10 . One end of the hub shell seat 10 is provided with a groove 11, and a ratchet ring 14 is screwed on the inner wall of the groove 11, and the ratchet grip part 23 is located at one end of the ratchet barrel 20, and the outer peripheral surface of the ratchet grip part 23 is arranged at intervals. There are a plurality of ratchet blocks 231 , and these ratchet blocks 231 are correspondingly engaged with the ratchet ring 14 , so that the ratchet cylinder 20 can be rotated to drive the hub shell 10 to rotate. [0003] Another...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60B27/00
Inventor 何凯文
Owner VOG IMAGE POLICE
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