A springback type trundle device comprises a left clamping part and a right clamping part which are connected into a whole; bearing platform parts are arranged on the opposite faces of the left clamping part and the right clamping part; a positioning block and a positioning spring are arranged in the bearing platform parts; a through groove is formed in the positioning block, and a protruding pushface is arranged on the groove wall of the through groove; a push block is further arranged in the through groove; a groove-shaped push surface is arranged in the middle of the push block; the groove-shaped push surface is matched with the protruding push surface; a pivot is arranged, a rotating block and a reset spring are connected to the pivot, a section of thread is arranged on the pivot, therotating block is matched with the pivot through the internal thread, and the reset spring is arranged between the rotating block and the left clamping part or the right clamping part; the rotating block is outwards matched with a retracting shaft, and the retracting shaft is connected with a universal wheel; and a positioning protrusion is arranged on the face, facing the retracting shaft, of the positioning block and matched with the positioning groove. The structure is simple, free assembly can be achieved according to use requirements, mode conversion is rapid and convenient, and assemblyand disassembly are easy and convenient to operate.
一种回弹式脚轮装置,包括连接于一体的左卡件和右卡件,左卡部和右卡部相对面设置有承台部,其内设有定位块和定位弹簧,所述定位块内部设有贯通槽,贯通槽的槽壁上设有凸起推面;贯通槽内还设有推块,推块中部设有槽型推面,槽型推面与凸起推面相配合;家设有枢轴,枢轴上连接有旋转块和复位弹簧,枢轴上存在一段螺纹,旋转块通过内部的螺纹配合在枢轴上,复位弹簧设于旋转块与左卡部或右卡部之间;所述旋转块向外配合有收起轴,收起轴上连接有万向轮;所述定位块面向收起轴的一面设有定位凸,定位凸与定位槽配合。本发明结构简单,可以根据使用需求自由拼装,转换模式快捷方便,装配与拆卸都操作简单方便。
Springback type trundle device
一种回弹式脚轮装置
2021-01-29
Patent
Elektronische Ressource
Chinesisch
IPC: | B60B VEHICLE WHEELS , Räder für Fahrzeuge |
Trundle, installation method of trundle and application structure of trundle
Europäisches Patentamt | 2021
|