The invention discloses a linkage folding joint of a baby carriage. The linkage folding joint comprises a first connecting piece, a second connecting piece, a third connecting piece and a linkage piece which are coaxially and rotationally connected through a rotating shaft, and the second connecting piece is rotationally connected with the linkage piece through the rotating shaft; a first linkagepin is arranged on the first connecting piece, and a second linkage pin is arranged on the third connecting piece; the linkage piece is provided with a first sliding groove and a second sliding groovewhich correspond to the first linkage pin and the second linkage pin and are in sliding fit with the first linkage pin and the second linkage pin respectively. The first connecting piece, the secondconnecting piece and the third connecting piece are unfolded and folded through rotating fit of the linkage piece and the second connecting piece, sliding fit of the first linkage pin and the first sliding groove and sliding fit of the second linkage pin and the second sliding groove. The linkage folding joint is novel and simple in structure, greatly reduces the use of the linkage rod pieces while not influencing the linkage effect, reduces the cost of the whole vehicle, and enables the whole vehicle to be simpler.

    本发明公开了一种童车的联动收合折叠关节,包括通过转轴同轴转动连接的第一连接件、第二连接件、第三连接件及联动片,所述第二连接件上通过转动轴与联动片转动连接;第一连接件上设有第一联动销,所述第三连接件上设有第二联动销;联动片上分别具有与所述第一联动销、第二联动销对应且滑动配合的第一滑动槽和第二滑动槽;第一连接件、第二连接件以及第三连接件通过联动片与第二连接件的转动配合、第一联动销与第一滑动槽的滑动配合、以及第二联动销与第二滑动槽的滑动配合实现三者的展开与收合;本发明结构新颖、简单,在不影响联动效果的同时,大大减少了联动杆件的运用,降低了整车成本,并且使得整车更为简洁。


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    Title :

    Linkage folding joint of baby carriage


    Additional title:

    一种童车的联动收合折叠关节


    Contributors:
    LI WEIQIONG (author)

    Publication date :

    2021-02-26


    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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