The parking device is installed between an upper oil pipe and a lower oil pipe of a brake oil pipe, the lower oil pipe is connected with a brake disc, the parking device comprises a valve body, a piston and a moving part, the valve body comprises a main oil duct, a piston cavity and a branch oil duct, the main oil duct is communicated with the upper oil pipe, the oil duct is provided with a pressure relief hole and an oil supplementing hole which are communicated with the piston cavity, and the branch oil duct is communicated with the piston cavity; the branch oil channel is communicated with the lower oil pipe; the piston is arranged in the piston cavity, the piston is provided with a first one-way oil seal and a sealing ring, the piston can move between a first position and a second position, when the piston is located at the first position, the first one-way oil seal is located between the pressure relief hole and the oil supplementing hole, so that the pressure relief hole is communicated with the main oil duct, the piston cavity and the lower oil duct, and when the piston moves to the second position, the sealing ring is located between the first one-way oil seal and the sealing ring. The first one-way valve seals a communication channel between the pressure relief hole and the lower oil pipe; the moving part drives the piston to move between the first position and the second position.

    本申请公开了一种驻车装置,安装在刹车油管的上油管和下油管之间,其中下油管连接刹车盘,其包括阀体、活塞、运动件:阀体包括主油道、活塞腔和分油道,主油道与上油管相通,油道设有连通活塞腔的卸压孔和补油孔,分油道与活塞腔连通,分油道与下油管连通;活塞置于活塞腔,活塞设有第一单向油封和密封圈,活塞可移动的在第一位置和第二位置之间移动,活塞位于第一位置时,第一单向油封位于卸压孔和补油孔之间,以使得卸压孔连通主油道、活塞腔、下油道,活塞移动至第二位置时,第一单向阀封闭卸压孔和下油管之间的连通通道;运动件带动活塞在第一位置和第二位置之间移动。


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    Titel :

    Parking device


    Weitere Titelangaben:

    一种驻车装置


    Beteiligte:
    REN TAO (Autor:in)

    Erscheinungsdatum :

    2022-06-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B62L BRAKES SPECIALLY ADAPTED FOR CYCLES , Bremsen, besonders für Fahrräder oder Motorräder ausgebildet / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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