The folding trailer comprises four stand columns, a bottom folding mechanism, a first folding mechanism, a third folding mechanism, a second folding mechanism, a fourth folding mechanism and first sliding sleeves arranged on the stand columns in a sliding mode, and short pipes are hinged to the first sliding sleeves. Each of the first folding mechanism and the second folding mechanism comprises a first cross assembly, at least one third cross assembly and a second cross assembly which are hinged in sequence; the first cross assembly and the second cross assembly each comprise a first fork pipe and a second fork pipe, the first fork pipes are hinged to the upper ends of the corresponding stand columns, and the short pipes are hinged to the first fork pipes. Second sliding sleeves are arranged on the short pipes, and the second fork pipes are hinged to the second sliding sleeves on the corresponding short pipes. The folding heights of the first cross assembly, the third cross assembly, the second cross assembly, the third folding mechanism, the fourth folding mechanism and the bottom folding mechanism are all not higher than the height of the upper end of the stand column, it is guaranteed that the height is not increased when the trailer is folded and gathered, and a user can conveniently store and carry the trailer.

    本发明涉及一种折叠拖车及折叠变矮拖车,包括四根立柱、底部折叠机构、第一折叠机构、第三折叠机构、第二折叠机构、第四折叠机构以及滑动设置于立柱上的第一滑套,第一滑套上铰接有短管。第一折叠机构和第二折叠机构均包括依次铰接的第一交叉组件、至少一个第三交叉组件、第二交叉组件;第一交叉组件和第二交叉组件均包括第一叉管和第二叉管,第一叉管与对应的立柱的上端铰接,短管与第一叉管铰接。短管上设置有第二滑套,第二叉管与对应的短管上的第二滑套铰接;第一交叉组件、第三交叉组件、第二交叉组件、第三折叠机构、第四折叠机构以及底部折叠机构的折叠高度均不高于立柱的上端的高度,保证拖车折叠聚拢时不增高,便于用户的收纳和携带。


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    Title :

    Folding trailer and folding shortened trailer


    Additional title:

    一种折叠拖车及折叠变矮拖车


    Contributors:

    Publication date :

    2024-09-17


    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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