| 摘要 |
PURPOSE: A pressing wheel assembly for the connection of pipes for preventing separation caused by expansion is provided to prevent the separation of a connection pipe from a socket mouth member. CONSTITUTION: A pressing wheel assembly for the connection of pipes for preventing separation caused by expansion comprises a socket mouth member(10), a sealing ring(30), a pressing ring(40), a spike ring member(50), a gland(60), and a hook bolt(70). The sealing ring is placed in an inclined portion(13) of the socket mouth member. The spike ring member is installed on the inner mounting groove(41) of the pressing ring. The incline(51) of the spike ring member is pressed to the incline(42) of the inner mounting groove. A spiral portion(72) is projected through a bolt hole(61) of the gland and a nut(75) is fixed and coupled on the threaded section of the hook bolt when a hook portion(71) hangs on a stopping sill of the socket mouth member.
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