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    • 9. 发明授权
    • Pipe clamp with a headed bolt for securing a pipe connection
    • 带夹头螺栓的管夹用于固定管道连接
    • US5944365A
    • 1999-08-31
    • US936747
    • 1997-09-25
    • Wolfgang KizlerGerd Tiefenbacher
    • Wolfgang KizlerGerd Tiefenbacher
    • F16L21/06
    • F16L21/06Y10S285/905Y10T29/49398
    • A pipe clamp with a headed bolt for securing a pipe connection, in particular pipes of the exhaust system of a motor vehicle which are to be connected to one another, in the case of which the end of a first pipe is pushed into an axially slit end of a second pipe and, when the headed bolt is tightened, the pipe clamp, fitted on the slit pipe end, connects the two pipe ends to one another in a frictionally locking manner, is to be secured against a reduction in clamping force. For this purpose, the pipe clamp is formed of a material which has a higher coefficient of expansion than does the material of the pipes which are to be connected. The head of the headed bolt is elongated, in order to avoid impermissibly high local stressing during tightening of the pipe clamp. Due to the elongate form of the head of a headed bolt, the forces on the pipe clamp which support the tightening torque are reduced by a lengthening of the lever arm with respect to the axis of the headed bolt.
    • 一种管夹,其具有用于固定管连接的头螺栓,特别是将要彼此连接的机动车辆的排气系统的管道,在第一管的端部被推入轴向狭缝的情况下 第二管的端部,并且当头螺栓被拧紧时,安装在狭缝管端上的管夹将摩擦锁定的两个管端彼此连接,以防止夹紧力的减小。 为此,管夹由具有比要连接的管材料高的膨胀系数的材料形成。 头螺栓的头部是细长的,以避免在紧固管夹时产生不必要的局部应力。 由于头螺栓的头部的细长形式,通过杠杆臂相对于带头螺栓的轴线的延长来减小支撑紧固扭矩的管夹上的力。