Hard disk installation expander of computer

The utility model discloses a hard disk installation expander of a computer, which comprises a plug board, an expansion board is fixedly installed on the plug board, a plurality of slots are arranged on the expansion board, a plurality of abutting blocks matched pairwise are installed on the expansion board in a sliding mode, a sliding mechanism is installed between each abutting block and the expansion board, and the expansion board is provided with a plurality of slots. A spring is fixedly installed between each abutting block and the corresponding expansion plate. The device has the advantages that the abutting block can be kept in contact with the hard disk all the time, abrasion does not need to be considered, the situation of poor contact can be effectively prevented, practicability is higher, meanwhile, the expansion board can be supported, and the stability of the expansion board is improved. 本实用新型公开了一种计算机的硬盘安装扩展器，包括插板，所述插板上固定安装有扩展板，所述扩展板上开有多个插槽，所述扩展板上滑动安装有多个两两配合的抵块，每个所述抵块与扩展板之间均安装有滑动机构，每个所述抵块与扩展板之间均固