The invention discloses a bicycle hub ratchet wheel structure which comprises a hub, a ratchet ring, a sleeve and ratchet pawl groups, wherein the ratchet ring is connected with the hub; a boss is arranged at a first end of the sleeve; arc grooves and first embedded grooves are formed in the boss; each ratchet pawl group comprises a plurality of pawls and pawl springs arranged on the pawls in a clamping manner; first tooth parts, first tooth parts and second embedded grooves are arranged on and formed in the pawls; the pawls are arranged in the arc grooves; the pawl springs are clamped in the first embedded grooves and the second embedded grooves; and at least two ratchet pawl groups are arranged in the arc grooves and the first embedded grooves of the sleeve side by side, and are arranged in a staggered manner. The structure can realize an instant driving function on the premises that the volume and the weight of the hub are not increased and the structural strength of the ratchet ring is not affected.
Bicycle hub ratchet wheel structure
2015-09-16
Patent
Electronic Resource
English
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