The invention discloses a folding shaft transmission bicycle which comprises a bicycle frame, the bicycle frame comprises a front section rod frame, the rear end of the front section rod frame is hinged to the front end of a rear section rod frame, the upper plane of the rear portion of the rear section rod frame is connected with an end cylinder in a penetrating mode, a saddle rod is sleeved withthe end cylinder and inserted into a rear supporting rod of a V-shaped supporting rod, and the V-shaped supporting rod is connected with the lower surface of the rear section rod frame; the lower endof the V-shaped supporting rod is connected with a shaft cylinder, a rotating shaft is sleeved with the shaft cylinder through first bearings which are symmetrically arranged, the two ends of the rotating shaft are symmetrically sleeved with first bevel gears, the first bevel gears are meshed with second bevel gears at the front end of a transmission shaft in a sleeved mode, the rear end of the transmission shaft is sleeved with third bevel gears which are arranged in an end shell and meshed with fourth bevel gears, the fourth bevel gears are sleeved at the shaft end of a rear wheel, the front end of the front section rod frame penetrates through a connecting sleeve, a front fork frame is sleeved with the sleeve, and a spring is arranged at the top of the sleeve and is in compression joint with a nut connected with the main pipe of the front fork frame. The structure is compact, the thought is novel and unique, and traditional chain transmission is improved by changing the force transmission direction through shaft transmission gear engagement.
本发明公开了一种折叠式轴传动自行车,包括车架,所述车架包括前段杆架,前段杆架后端铰接后段杆架的前端,后段杆架后部上平面贯通连接端筒,端筒内套装车座杆,并插入到V形撑杆的后撑杆内,V形撑杆连接于后段杆架的下表面,V形撑杆下端连接于轴筒上,轴筒内通过对称设置的轴承一套接转轴,转轴两端对称套接锥齿轮一,锥齿轮一啮合套接于传动轴前端的锥齿轮二,传动轴后端套接锥齿轮三,锥齿轮三设于端壳内并啮合锥齿轮四,锥齿轮四套接于后轮轴端,前段杆架前端贯穿连接套管,套管内套接前叉架,套管顶部设置弹簧,并通过连接于前叉架主管上的螺母压接;具有结构紧凑,思路新颖独特,利用轴传动齿轮啮合改变传力方向来改善传统的链传动。
Folding shaft transmission bicycle
一种折叠式轴传动自行车
2021-02-09
Patent
Electronic Resource
Chinese
IPC: | B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |