The invention discloses a self-locking trundle, which comprises a rotating wheel and a U-shaped trundle frame, the rotating wheel is installed in the open end of the U-shaped trundle frame and rotationally connected with the U-shaped trundle frame, a supporting column, a plurality of first springs and an electromagnetic induction coil are arranged at the bottom of the trundle frame, and the supporting column is located on the outer side of the bottom of the U-shaped trundle frame and rotationally connected with the U-shaped trundle frame. The first spring is located on the inner side of the bottom of the U-shaped trundle frame, the bottom of the U-shaped trundle frame is connected with a brake block corresponding to the rotating wheel through the first spring, and the electromagnetic induction coil is installed between the supporting column and the brake block. The device has the beneficial effects that the rotating wheel can be automatically braked, meanwhile, the connecting column can be automatically locked, braking and locking are easy and fast, and the safety performance is good; the braking and locking effects are good, and the design is reasonable and simple.

    本发明公开了一种自锁脚轮,它包括转轮和U型轮架,转轮安装于U型轮架的开口端内,转轮与U型轮架转动连接,轮架的底部设有支撑柱、若干根弹簧一和电磁感应线圈,支撑柱位于U型轮架的底部外侧,支撑柱与U型轮架转动连接,弹簧一位于U型轮架的底部内侧,U型轮架的底部通过弹簧一连接有与转轮相对应的制动块,电磁感应线圈安装于支撑柱和制动块之间。本发明的有益效果是:能自动对转轮产生制动,同时能自动对连接柱产生锁止,制动和锁止简单快捷且安全性能好;制动和锁止效果好,设计合理简单。


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    Title :

    Self-locking trundle


    Additional title:

    一种自锁脚轮


    Contributors:
    LI YAN (author)

    Publication date :

    2021-02-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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