An onboard cart trundle locking mechanism comprises four trundles (1) mounted at four corners of a cart bottom plate, each trundle (1) is provided with a brake ejector rod (2), and the onboard cart trundle locking mechanism is characterized in that each brake ejector rod (2) is connected with one end of a brake swing arm (3), the middle of each brake swing arm (3) is in contact with a brake cam (4), the two ends of the brake cams (4) are hinged to a brake connecting rod (5) and a brake releasing connecting rod (6) respectively, the brake connecting rod (5) and the brake releasing connecting rod (6) are connected with brake pedals (7) and brake releasing pedals (8) respectively, and the brake pedals (7) and the brake releasing pedals (8) are all arranged on a cart bottom plate (9). The onboard cart trundle locking mechanism is simple in structure and reliable in action, and the pair of pedals can synchronously achieve synchronous braking and unbraking of the four trundles.
一种机载式推车脚轮锁定机构,它包括安装在推车底板四角上的四个脚轮(1),每个脚轮(1)均设有刹车顶杆(2),其特征是所述的刹车顶杆(2)与刹车摆臂(3)的一端相连,刹车摆臂(3)的中间与刹车凸轮(4)相接触,刹车凸轮(4)的两端分别铰装在刹车连杆(5)和解刹连杆(6)上,刹车连杆(5)和解刹连杆(6)分别与刹车踏板(7)和解刹踏板(8)相连;刹车踏板(7)和解刹踏板(8)均安装在推车底板(9)上。本发明结构简单,动作可靠,一对踏板能同步解决四个脚轮的同步刹车和解刹。
Onboard cart trundle locking mechanism
一种机载式推车脚轮锁定机构
2020-12-29
Patent
Elektronische Ressource
Chinesisch
IPC: | B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS |
Cart trundle with steering, positioning and braking mechanism and preparation method of cart trundle
Europäisches Patentamt | 2021
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