Silent hub structure

Abstract

A silent hub structure comprises a wheel hub base, a linkage ring, a braking ring and a fluted disk base, wherein the linkage ring is installed in the hub base in a coordinated manner; a hollow via groove is formed in the inner diameter; the braking ring is stored and disposed by the hollow via groove in a rotatable manner; multiple storage grooves are disposed at equal intervals in a concave manner through sinking of the hollow via groove towards the inner ring wall; metal rolling pillars are stored axially in the multiple storage grooves; a clamping part is formed on a forward rotation sideof each of the multiple storage grooves; a magnetic suction part is disposed at the clamping part of each storage groove near the linkage ring; and a separation part is formed on a reverse rotation side of the storage groove. In this way, only rolling displacement of the rolling pillars is provided in the storage grooves of the linkage ring, so displacement states of the rolling pillars are more explicit and smoother; and through use of the magnetic suction part, the rolling pillars can be attracted and reset, structure damage can be prevented and the service life of the structure can be prolonged. The structure is practical.

Description

Technical field [0001] The invention relates to a flower hub structure, especially a silent flower hub structure. Background technique [0002] Traditional bicycle hubs use the principle of pawl locking to achieve the purpose of unidirectionally driving the hub, but this kind of hub structure will make a locking noise when it is driven in the reverse direction. In order to eliminate this noise, the industry has developed a silent Flower hub, please refer to Picture 10 , Picture 11 As shown, the hub 50 is provided with a clutch device between the outer edge of the clutch seat 51 and the toothed disk seat 52, and the clutch device consists of a receiving groove 53 arranged at intervals on the inner edge of the toothed disk seat 52 and placed in the receiving groove 53 The inner roller 54 and the elastic body 55 (such as Picture 9 Shown), and the accommodating groove 53 has a tapered inclined surface, and a catch portion 531 is formed at the end of the inclined surface, so that wh...

AI Technical Summary

Problems solved by technology

[0004] It is not difficult to find that there are still some deficiencies in the above-mentioned existing structure in detail, the main reasons are as follows: (1), its existing structure is respectively provided with a roller 54 in a plurality of accommodating grooves 53 to reach the clutch seat 51 and In the clutch state between the tooth disc seats 52, an elastic body 55 is accommodated in the accommodation groove 53 to provide the elastic reset effect of the roller 54, but the compression of the elastic body 55 provided by the accommodation groove 53 is too small. , not only causes the mass of the elastic body 55 to shrink, but also tends to lose its elasticity due to long-term compression and cannot provide the pushing and restoring effect of the rollers

[0005] (2), moreover, the elastic body 55 is in contact with the clutch seat 51 and the tooth plate seat 52 in the accommodation groove 53. Compared with the tooth plate seat 52, it still has a self-rotating state, causing the elastic body 55 to be subject to the rotational friction of the tooth plate seat 52, which not only interferes with the rotation of the tooth plate seat 52 and has resistance, but also generates heat due to friction, resulting in the elastic body 55 being easily caused by heat. Embrittlement changes the properties of the material, resulting in loss of elasticity, damage, and lack of service life

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