| 摘要 |
PURPOSE: An automatic opening and closing device of a swing door is provided to prevent damage to mechanism by preventing the inflow of dust and moisture into housing. CONSTITUTION: An automatic opening and closing device of a swing door comprises a device frame(11), a universal joint(26), a guide rail assembly(30), a moving nut block(35), an opening and closing operation link member, and a window frame fixture(60). The device frame includes a speed reduction motor(20), a screw rod(25) and a circuit board(15). The device frame installs to the window frame. The universal joint installs between the rotary shaft and screw rod of the speed reduction motor and transmits the power of the motor to the screw rod. The opening and closing operation link member is installed between the moving nut block and window. |
