The invention discloses a locking mechanism for a battery pack, a lock assembly, a quick-change bracket assembly and an electric vehicle. The locking mechanism comprises: a lock base provided with an opening and a cavity; a locking dog which can rotate relative to the lock base so as to change between an unlocking state and a locking state, wherein the locking dog comprises a locking dog body and a locking dog expansion part, and in the locking state, the locking dog body can prevent the lock shaft from leaving the cavity from the opening; a centering shaft which is arranged on the lock base and penetrates through the locking dog body, wherein the locking dog body can rotate around the centering shaft, and positioning of the locking dog on the lock base is achieved; and a reset component which is arranged on the lock base and used for enabling the locking dog to rotate in the locking direction so as to reset from the unlocking state to the locking state. When the lock shaft is locked by the locking dog, the connecting part of the reset component and the lock base and the centering shaft are positioned on the same side of the lock shaft. The locking mechanism can provide a secondary locking or locking protection function for the battery pack, and is used for preventing the battery pack from falling off when the locking of the existing device fails, so that the safety performance is improved.

    本发明公开了一种用于电池包的锁止机构、锁组件、快换支架组件及电动车。锁止机构包括有:锁基座,设有一开口以及一空腔;锁舌,能够相对于锁基座旋转以在一解锁状态以及一锁止状态之间变化,锁舌包括锁舌本体和锁舌扩展部,锁止状态时,锁舌本体能够阻止锁轴从开口离开空腔;定心轴,设于锁基座且穿设于锁舌本体,锁舌本体能够绕定心轴旋转,实现锁舌在锁基座上的定位;复位部件,设于锁基座,用于使锁舌沿一锁止方向旋转以从解锁状态复位到锁止状态。当锁轴被锁舌锁止时,复位部件和锁基座的连接部与定心轴位于锁轴的同一侧。锁止机构可以为电池包提供二级锁止或锁止保护功能,在现有的装置锁止失效时用于防止电池包掉落,提高安全性能。


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    Titel :

    Locking mechanism for battery pack, lock assembly, quick-change bracket assembly and electric vehicle


    Weitere Titelangaben:

    用于电池包的锁止机构、锁组件、快换支架组件及电动车


    Beteiligte:
    HUANG CHUNHUA (Autor:in) / LAN ZHIBO (Autor:in)

    Erscheinungsdatum :

    2022-01-21


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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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