Patent ID: 8075070

Claim:
A computer enclosure, comprising: a case having a case bottom wall and a case rear wall, the case bottom wall defining a securing slot and a first positioning member extending from the case bottom wall; and a power supply chassis, a securing tab extending from a bottom of the power supply chassis, the securing tab engaging in the securing slot to prevent the power supply chassis from moving in a first direction perpendicular to the case rear wall; the securing tab is slidable in the securing slot along a direction parallel to the case bottom wall; the power supply chassis defining a first positioning hole, the first positioning member engaging in the first positioning hole to prevent the power supply chassis from moving in a second direction perpendicular to the case bottom wall; wherein the securing slot in the case bottom wall comprises a securing slit and a mounting portion, a width of the securing slit is substantially equal to a thickness of the securing tab for tightly clipping the securing tab, and the mounting portion is configured for the securing tab to slide into the securing slit therefrom; and a supporting bar is defined in the case bottom wall, the securing tab comprises a supporting base, a securing portion protrudes from the supporting base and a shoulder formed at a bottom of the securing tab; the supporting base sits on the case bottom wall, the shoulder abuts on a top surface of the supporting bar and is substantially perpendicular to the supporting bar, and the securing portion inserted in the securing slit.