The invention discloses a door guard plate fast-assembling buckle and an assembling and disassembling method thereof.The door guard plate fast-assembling buckle comprises a cambered surface rotating shaft body and a fixing sleeve shell, and the cambered surface rotating shaft body comprises a rectangular disc, a middle shaft, a disc, a limiting check block, a cambered surface boss, a hollow shaft, a check block connector, a wedge block barb and an axial limiting end; the fixing sleeve shell comprises a transmission shaft, a circular ring body, a sealing ring, a rectangular notch, a cuboid shell, a shell chamfering part and a T-shaped shaft; the cambered surface boss of the cambered surface rotating shaft body can rotate under the action of entering a rectangular hole of a metal plate, the fixing sleeve shell is provided with a rectangular notch, and the cambered surface boss protrudes out of the rectangular notch, makes contact with the hole of the metal plate and enters the hole of the metal plate. The safety of the door protection plate is guaranteed, and the assembling performance requirement for saving working hours is met.

    本发明公开了一种门护板快装卡扣及其安装拆卸方法,包括弧面转轴体和固定套壳体,弧面转轴体包括矩形盘、中间轴、圆盘、限位挡块、弧面凸台、空心轴、挡块连接、楔块倒钩、轴向限位端头;固定套壳体包括传动轴、圆环体、密封圈、矩形缺口、长方体壳体、壳体倒角部分、T型轴;弧面转轴体的弧面凸台可以在进入钣金的矩形孔作用下旋转,固定套壳体有矩形缺口,弧面凸台在矩形缺口中凸出与钣金孔接触并进入。本发明既保证了门护板的安全性又兼顾了节省工时的装配性能要求。


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    Title :

    Fast-assembly buckle for door protection plate and assembly and disassembly method of fast-assembly buckle


    Additional title:

    一种门护板快装卡扣及其安装拆卸方法


    Contributors:
    ZHANG CHAO (author) / FAN YOUSI (author) / DUAN XIAOCAO (author) / ZHU YI (author)

    Publication date :

    2023-01-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile / B60J WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES , Fenster, Windschutzscheiben und bewegbare Dächer, Türen oder Ähnliches für Fahrzeuge



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