The invention relates to a bolt assembly, a fixing mechanism, a battery system and an automobile, and belongs to the technical field of new energy automobiles. The bolt assembly comprises a shell, a bolt, a compression spring, a clamping ring, a first cover plate, a first sealing ring and a second sealing ring, the outer wall of the non-threaded section is provided with a first outer spline, the inner wall and the outer wall of the clamping ring are provided with a first inner spline and a second outer spline respectively, and the inner wall of a first through hole of the first cover plate is provided with a second inner spline. The first sealing ring is located between the first cover plate and the shell, and the second sealing ring is located between the first cover plate and the non-threaded section. By the adoption of the bolt assembly, the sealing performance of the bolt assembly can be improved, the phenomenon that the bolt slips during installation can be avoided, and therefore the service life of the bolt assembly is prolonged.

    本申请是关于一种螺栓组件、固定机构、电池系统和汽车,属于新能源汽车技术领域。所述螺栓组件包括壳体、螺栓、压缩弹簧、卡位环、第一盖板、第一密封圈和第二密封圈,非螺纹段的部分外壁具有第一外花键,卡位环的内外壁分别具有第一内花键和第二外花键,第一盖板的第一通孔的内壁具有第二内花键,第一密封圈位于第一盖板和壳体之间,第二密封圈位于第一盖板和非螺纹段之间。采用本申请,能够提高螺栓组件的密封性,并且能够避免螺栓在安装时出现滑丝现象,从而提高螺栓组件的使用寿命。


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    Title :

    Bolt assembly, fixing mechanism, battery system and automobile


    Additional title:

    螺栓组件、固定机构、电池系统和汽车


    Contributors:
    ZHU JIANFENG (author) / SONG KAITONG (author) / XIE KUN (author) / WANG YADONG (author) / HE CHANGJIAO (author) / ZHAO YAN (author)

    Publication date :

    2023-06-09


    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 / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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