The invention provides a seat tube bundle structure of a bicycle or an electric bicycle, which comprises a seat tube bundle body and a rotating handle matched with the seat tube bundle body, wherein the seat tube bundle body comprises a notch for adjusting the inner diameter and a locking fastener for locking the rotating handle; the locking fastener comprises a first fastener with a first throughhole; the central axis of the first through hole is parallel to the central axis of the seat tube bundle body; the rotating handle comprises a fixed end and a movable end, and the movable end can rotate around the fixed end within a preset angle range; in the locking state, the position of the locking hole of the movable end is aligned with the first through hole, and the spring bolt of a cylindrical lock penetrates through the first through hole and the locking hole. By means of the seat tube bundle structure, the purposes of being good in clamping and fastening effect and facilitating fastening of the tube bundle are achieved.
本发明提供了一种自行车或电动自行车的座管束结构,包括座管束本体和与座管束本体相配合的旋转手柄,座管束本体包括:用于调节内径大小的缺口和用于锁定旋转手柄的锁止固件;锁止固件包括:具有第一通孔的第一固件;第一通孔的中心轴平行于座管束本体的中心轴;旋转手柄包括:固定端和移动端,移动端可以绕固定端在预定角度范围内旋转;在锁止状态下,移动端的锁位孔的位置对准第一通孔,柱形锁具的锁舌分别穿过第一通孔和锁位孔。本发明的座管束结构达到了夹持紧固效果好且便于对管束紧固的目的。
Seat tube bundle structure of bicycle or electric bicycle
一种自行车或电动自行车的座管束结构
2020-08-28
Patent
Electronic Resource
Chinese
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