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    • 3. 发明申请
    • 电源插座插套
    • WO2009006771A1
    • 2009-01-15
    • PCT/CN2007/003580
    • 2007-12-13
    • 周晓华
    • 周晓华
    • H01R13/187
    • H01R13/187H01R24/76H01R2103/00
    • A plug-in sleeve (3) of "U" shape slot electric socket formed by bending a strip elastic metal piece comprises an elastic contacting piece (313) by bending the metal piece from upper end of the slot wall (312) toward the bottom wall (310) in the slot, an elastic supporting piece (315)by bending the elastic contacting piece (313) toward the inward direction of the slot wall (312), a supporting arm (317)by bending the elastic supporting piece (315)toward the elastic contacting piece (313) and vertically to itself, a secondary supporting piece (319) by bending the supporting arm(317) toward the bottom wall (310), and a declining supporting arm (318) by bending the secondary supporting piece(319) toward the supporting arm (317). When the plug-in sleeve (3) engages with a plug-in pin, the supporting arm (317), the secondary supporting piece (319), and the declining supporting arm (318) firmly form a triangle bracket which supports between the slot walls (312) and promotes the surface contact between the plug-in sleeve (3) and the plug-in pin.