| 主权项 |
1. A positioning structure for a removable hard drive detachably installed in a case, comprising:
an enclosure having an accommodating space formed by a front end, a back end and two first side walls, wherein each first side wall has a first bottom surface, each first bottom surface is provided with a plurality of positioning holes, the hard drive is accommodated in the accommodating space, and an outer side surface of each first side wall of the enclosure is formed with at least one positioning cavity; and a tray, including a second bottom surface and two second side walls vertically extending therefrom, a space being formed by the second bottom surface and the two second side walls, and the second bottom surface being formed with a plurality of positioning pillars corresponding to the positioning holes, and the second bottom surface being directly in contact with each first bottom surface, each of the second side walls having a cutout to form at least one elastic arm on each second side wall, the at least one elastic arm integrally formed with the second side walls as one piece; wherein a free end of the at least one elastic arm has two sides surfaces opposite to each other, one of the two side surfaces facing the space is integrally formed a convex body protruded toward the space to form at least one positioning protrusion, the enclosure is received and positioned in the space by engaging the at least one positioning protrusion with the at least one positioning cavity and correspondingly inserting the plurality of the positioning pillars into the plurality of the positioning holes, wherein a surface of the positioning protrusion contacting the positioning cavity is formed as a cambered surface, such that the enclosure can be detached from the tray by directly pulling the enclosure upwardly, and wherein the other one of the two side surfaces opposite to the space has a protrusion protruded toward a case to be against the case when the tray is installed in the case. |
