bicycle frame shock absorbers

Abstract

This invention provides a bicycle frame shock absorber, which is installed on a bicycle frame having a front frame and a rear frame. The bicycle frame shock absorber includes a connector, a first locking fastener, and a shock absorber body. The connector has a set end, a corresponding mating end, and a through hole. The first locking fastener passes through the through hole along a first axial direction to fix the connector to the rear frame. The set end of one end of the shock absorber body engages with the set end of the connector, and the periphery of the set end has at least one extension for the second locking fastener to laterally lock from a direction different from the first axial direction, so that the shock absorber body is fixed to the connector. The movable fastening part at the other end is used to engage with the buckling mechanism of the front frame. Through the separate and different axial locking structure, the axial and radial space constraints of the shock absorber's interior caused by the through screw are completely released, allowing the internal elastomer to have a fully released physical elastic deformation space, which can significantly increase the effective shock absorption stroke and greatly improve the shock absorption performance.

Claims

1. A bicycle frame shock absorber, mounted on a bicycle frame (50), the frame (50) having a front frame (51) and a rear frame (52), the bicycle frame shock absorber comprising: a connector (10) having a set of terminals (11) and a mating end (12) opposite to the set of terminals (11), the set of terminals (11) having a through hole (13) extending to the mating end (12); a first locking fastener (20) passing through the through hole (13) of the connector (10) along a first axial direction (L1) for fixing the connector (10) to the rear frame (52); and a shock absorber body (30) having a set of terminals (31) at one end and a movable fastening part (32) at the other end, wherein, The assembly part (31) engages with the assembly end (11) of the connector (10), and the periphery of the assembly part (31) extends toward the connector (10) with at least one extension (312). The extension (312) is for at least one second fastener (40) to be locked in a direction different from the first axis (L1), thereby locking the shock absorber body (30) onto the connector (10); the movable fastening part (32) is used to engage with one of the latching mechanisms (511) of the front frame (51).

2. The bicycle frame shock absorber as claimed in claim 1, wherein the at least one second locking member (40) is locked along a second axis (L2), and the first axis (L1) and the second axis (L2) form a non-parallel angle.

3. The bicycle frame shock absorber as described in claim 1, wherein the mating end (12) of the connector (10) has a concave arc shape in the side view to fit with a load-bearing structural tube surface of the rear frame (52).

4. The bicycle frame shock absorber as described in claim 1 or 3, wherein at least one pad (14) is attached to the end face of the mating end (12) of the connector (10).

5. The bicycle frame shock absorber as described in claim 1, wherein the peripheral outer wall of the connector (10) is recessed with at least one engaging groove (15), and the bottom surface of the engaging groove (15) is provided with at least one screw hole (16); the at least one extension (312) of the shock absorber body (30) is correspondingly fitted into the engaging groove (15), and the extension (312) is provided with at least one locking hole (313) for the second locking fastener (40) to pass through and be screwed and locked in the screw hole (16).

6. The bicycle frame shock absorber as claimed in claim 1, wherein the through hole (13) of the connector (10) is a countersunk hole, and the first locking fastener (20) has an enlarged head (21) that is fully recessed or partially contained within the countersunk hole when the first locking fastener (20) is fully locked.

7. The bicycle frame shock absorber as described in claim 6, wherein a recessed avoidance groove (311) is provided at the center of the end face of the assembly portion (31) of the shock absorber body (30), the geometry and size of the avoidance groove (311) corresponding to the head (21) of the first locking fastener (20), so as to accommodate the head (21) of the first locking fastener (20) to avoid physical interference when the shock absorber body (30) and the connector (10) are assembled together.

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