The invention discloses a volume-variable trolley. The trolley comprises a trolley base, first guardrail columns, second guardrail columns, a guardrail upper frame, a handrail connecting plate, a handrail lock catch part and universal wheels; the universal wheels are arranged at the bottom of the trolley base; the multiple first guardrail columns are perpendicularly arranged on the vehicle base, and a closed square ring is defined by the multiple first guardrail columns; the number of the second guardrail columns is the same as that of the first guardrail columns, columnar grooves are formed in the first guardrail columns, and the second guardrail columns are inserted into the columnar grooves of the first guardrail columns; the upper end parts of the first guardrail columns are connectedwith the square-frame-shaped guardrail upper frame; the handrail connecting plate perpendicular to the base is arranged on the rear side edge of the vehicle base; the handrail lock catch part is arranged in the middle of the handrail connecting plate; and the handrail lock catch part comprises a lock catch fixing piece, a clamping lock clamping end, a lock catch female hinge, a lock catch overturning piece, a lock catch sub-hinge, a clamping lock overturning end and a clamping lock. According to the volume-variable trolley, the volume can be changed.

    本发明公开了一种容积可变式手推车,包括车底座、第一护栏柱、第二护栏柱、护栏上框、扶手连接板、栏杆锁扣部件、万向轮;万向轮设置在车底座底部;第一护栏柱有若干个,且垂直设立在车底座上,若干第一护栏柱围成闭合方圈;第二护栏柱有若干个且数量与第一护栏柱相同,第一护栏柱内设柱形槽,第二护栏柱插入第一护栏柱的柱形槽内;第一护栏柱上端部连接方框状的护栏上框;车底座后侧边沿设有垂直与底座的扶手连接板;栏杆锁扣部件设置在扶手连接板中部;栏杆锁扣部件包括锁扣固定件、卡锁卡接端、锁扣母铰链、锁扣翻转件、锁扣子铰链、卡锁翻转端、卡锁。本发明一种容积可变式手推车能够实现容积的变化。


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    Title :

    Volume-variable trolley


    Additional title:

    一种容积可变式手推车


    Contributors:
    HU GUOZHONG (author)

    Publication date :

    2020-06-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS



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