The invention relates to a pull rod type air damper, in particular to an air damper enabling an automobile glove box to be opened at a constant speed. The pull rod type air damper consists of a barrel, an end cover, a pull rod, an O-shaped ring, an air inlet plug, a sealing ring and the like, wherein the O-shaped ring is mounted in an annular groove at the piston end of the pull rod in an inner cavity of the barrel; the air inlet plug and the sealing ring are mounted at the tail part of the barrel; a circle of triangular rib is circumferentially arranged on the surface of the O-shaped ring; the O-shaped ring is in clearance fit with the annular groove at the piston end of the pull rod in the axial direction; and an exhaust groove is formed in the annular groove at the piston end of the pull rod. When the pull rod is pulled out, the O-shaped ring moves downwards, the exhaust groove is closed, and damping force is achieved; and when the pull rod retracts, the O-shaped ring moves upwards, and the exhaust groove is opened for exhausting.

    一种拉杆式空气阻尼器,尤其是一种使汽车手套箱匀速开启的空气阻尼器。它是由筒体、端盖、拉杆、O形圈、进气塞、密封圈等组成,筒体内腔的拉杆活塞端的环形槽内安装有O形圈,筒体尾部安装有进气塞和密封圈,O形圈的表面上周向设有一圈三角筋,O形圈同拉杆活塞端的环形槽在轴向上为间隙配合,拉杆活塞端的环形槽上设置有排气槽。拉杆拉出时,O形圈下移,密闭排气槽,实现阻尼力;拉杆缩回时,O形圈上移,排气槽开启排气。


    Access

    Download


    Export, share and cite



    Title :

    Pull rod type air damper


    Additional title:

    一种拉杆式空气阻尼器


    Contributors:
    MA YUBIAO (author)

    Publication date :

    2021-12-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F16F SPRINGS , Federn / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR






    Push-pull type hand pull release device

    HUANG JIANSONG / ZHANG XIN / ZHANG FANGLIANG et al. | European Patent Office | 2015

    Free access

    Control pull rope brake type luggage pull rod

    JIANG HANHUI | European Patent Office | 2024

    Free access