Patent ID: 8638562

Claim:
A combinative power device, comprising: an AC-to-DC module including a first hole and a second hole formed thereon, said first hole including a first partial hole and a second partial hole, said second hole including a first partial hole and a second partial hole, widths or diameters of said first partial hole of said first hole and said first partial hole of said second hole being larger than widths or diameters of said second partial hole of said first hole and said second partial hole of said second hole respectively, said first partial hole of said first hole connecting one end of said second partial hole of said first hole, said second partial hole of said second hole connecting one side of said first partial hole of said second hole; and a DC-to-DC module including a main body, a first pin and a second pin, wherein said first pin and said second pin are disposed on said main body, widths or diameters of first portions of said first pin and said second pin which are close to said main body being smaller than widths or diameters of second portions of said first pin and said second pin which are far from said main body respectively, said second portion of said first pin which is far from said main body being inserted into said first partial hole of said first hole, said first portion of said first pin which is close to said main body being slid into said second partial hole of said first hole, said second portion of said second pin which is far from said main body being inserted into said first partial hole of said second hole, said first portion of said second pin which is close to said main body being slid into said second partial hole of said second hole.