The invention discloses a tightness-freely-adjustable bus pull ring. The tightness-freely-adjustable bus pull ring comprises a lantern ring fixedly connected to a cross rod in a sleeving mode; the lower end of the lantern ring is fixedly connected with an ejector rod; the lower end of the ejector rod is fixedly connected with a spherical part; a movable plate is arranged below the lantern ring; ahandle body is integrally formed at the lower end of the movable plate; a spherical groove is formed in the upper end of the movable plate; a spherical piece is embedded in the spherical groove and movably connected with the spherical groove; a straight flow channel is formed in the movable plate; and a sliding rod is connected in the straight flow channel in a sealed and sliding mode. When a busis in different driving states, a passenger cannot help changing the strength of holding a pressing rod according to the magnitude of an inertia effect; a piston plate is driven by a connecting rod toextrude hydraulic oil in a hydraulic cavity into the straight flow channel through a side flow channel, the sliding rod and an abutting pressing plate are pushed to move upwards, the friction force between the abutting pressing plate and the spherical piece is increased, and the tightness degree of the handle body is improved.

    本发明公开了一种可自由调节松紧度的公交车拉环,包括固定套接在横杆上的套环,所述套环的下端固定连接有顶杆,所述顶杆的下端固定连接有球形件,所述套环的下方设有活动板,所述活动板的下端一体成型有拉手本体,所述活动板的上端开设有球形槽,且球形件嵌设在球形槽内且与之活动连接,所述活动板内开设有直流道,所述直流道内密封滑动连接有滑杆。优点在于:公交车在不同的驾驶状态时,乘客会不由自主地根据惯性作用的大小来在改变握持压杆的力度,通过连接杆带动活塞板将液压腔内的液压油通过侧流道挤入直流道,推动滑杆与抵压板上移,增大抵压与球形件之间的摩擦力,即提高拉手本体的松紧度。


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    Title :

    Tightness-freely-adjustable bus pull ring


    Additional title:

    一种可自由调节松紧度的公交车拉环


    Contributors:
    YANG AIMING (author)

    Publication date :

    2020-09-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet



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