| 摘要 |
A connection part coupling device of a street light pole is provided to facilitate installation work of the street light pole and facilitate manufacturing the street light pole having the different material with foundation and a connection pole. A plurality of tapered fixing grooves are formed along the inner circumference of a center hole at the center of a street light lamp foundation(1). A fixing pipe(10) having an end projection is fixed through a support ring; A contact surface is formed on the outer circumference of the fixing pipe. An upper body of a connection pipe(20) is connected to the connection pole through a connection ring. A connection part(21) is protruded from the bottom of the connection pole to be inserted into the center hole of the fixing pipe. A tapered connection projection is formed on the fixing groove of the fixing pipe. A connection pipe equipped with an elastic body fixture having a projection is formed. The connection part of the connection pole is coupled with the fixing pipe of the foundation. The lower connection part of the connection pole adheres closely to the upper contact surface of the foundation. |
