| 摘要 |
A detachable corner wheel device comprises a corner wheel seat (1) and a corner wheel component that are detachably connected. The corner wheel seat has a through hole (1-1). The upper part of the corner wheel seat has a guiding part in which a spring-prestressed button board (2-10) is guided. The button board has a button arm (2-3). It makes the button board to move along the guiding part by the button arm. The corner wheel component has a corner wheel shelf and a corner wheel (3). The upper part of the corner wheel shelf is provided with a lug boss (2-5) and a shaft protruding from the lug boss. The shaft is provided with an upper clip portion (2-9). When the detachable corner wheel device is installed, the lug boss abuts against the bottom part of the corner wheel seat, the spring-prestressed button board is inserted into the rear of the upper clip portion as viewed from the insertion direction of the shaft and the button board can disengage from the upper clip portion against the prestressing force of the spring. A movable suitcase comprises the detachable corner wheel device. The detachable corner wheel device is firm and easy to disassemble.
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