The invention discloses a portable tire nut loosening and tightening device which comprises a long sleeve and a torque adjusting structure. The torque adjusting structure comprises a first shell, a second shell, a driving belt wheel, a middle belt wheel and a driven belt wheel. A first belt groove and a second belt groove which are arranged side by side in the axial direction are formed in the middle belt wheel; the working radius of the driven belt pulley is greater than that of the driving belt pulley; a first nut sleeve is arranged in the center of the wheel face of one side of the drivingbelt wheel, a polygonal protruding column is arranged in the center of the wheel face of the other opposite side of the driving belt wheel, and a polygonal concave hole capable of being tightly matched with the polygonal protruding column is formed in one end of the long sleeve. And a second nut sleeve is arranged in the center of the driven belt wheel. The portable tire nut loosening and tightening device can loosen and tighten a fixing nut on a tire with less effort, and is suitable for most of drivers and friends.

    本发明公开一种便携式轮胎螺母松紧器,包括长套筒以及力矩调节结构;所述力矩调节结构包括第一壳体、第二壳体、主动皮带轮、中间皮带轮以及从动皮带轮;所述中间皮带轮上开有沿轴向并排的第一皮带槽和第二皮带槽;所述从动皮带轮的工作半径大于所述主动皮带轮的工作半径;所述主动皮带轮的一侧轮面中心处设有第一螺母套、相对的另一侧轮面中心处设有多边形凸柱,所述长套筒的一端形成有可与多边形凸柱紧密配合的多边形凹孔;所述从动皮带轮的中心处设有第二螺母套。该便携式轮胎螺母松紧器,可实现花费较小的力气即可对轮胎上的固定螺母进行松动和紧固,适合绝大部分司机朋友使用。


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    Titel :

    Portable tire nut loosening and tightening device


    Weitere Titelangaben:

    一种便携式轮胎螺母松紧器


    Erscheinungsdatum :

    2020-06-12


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60B VEHICLE WHEELS , Räder für Fahrzeuge



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