Hard disk mounting device

1. A hard disk mounting device, comprising a hard disk carrier and a carrier fixing device, wherein the hard disk carrier is provided with hard disk positioning studs and carrier positioning studs, and the hard disk positioning studs correspond to hard disk mounting holes in the hard disk; the carrier fixing device comprises a left bracket and a right bracket which are symmetrically arranged, L-shaped retaining slots are respectively provided in the left bracket and the right bracket, and the position and size of the L-shaped retaining slots correspond to the position and size of the carrier positioning studs respectively; and the hard disk carrier comprises a support member and two movable members, the support member comprises a support member bottom plate and two support member side plates respectively vertically arranged at two sides of the support member bottom plate, each of the movable members has an elongated shape, and is arranged at an inner side of the respective support member side plate, the movable member has one end connected to one end of the support member side plate by a rotating shaft; another opposite end, away from the rotating shaft, of the movable member is provided with a positioning hole, and the support member side plate is provided with an elastic strip corresponding to the positioning hole; a terminal end of the elastic strip is provided with a convex bump, and the hard disk positioning studs are provided at a side, towards a center of the support member, of the movable member, and the carrier positioning studs are provided at a side, opposite to the center of the support member, of the movable member; and the carrier fixing device further comprises a position-limiting handle and a handle bracket, the position-limiting handle is mounted on the handle bracket by a rotating shaft, and the position-limiting handle is provided with a handle rubber pad on a side adjacent to the left bracket and the right bracket; and the handle bracket comprises a handle bracket bottom plate and a handle bracket side plate, the handle bracket bottom plate is connected to a cabinet base.

2. The hard disk mounting device according to claim 1 , wherein the support member bottom plate is provided with a damping sheet a; and the movable member is provided with a damping sheet b at a side facing towards the center of the support member.

3. The hard disk mounting device according to claim 1 , wherein the left bracket comprises a left bracket bottom plate and a left bracket side plate; the left bracket side plate is provided with a left bracket convex bump and a left bracket mounting hole; the right bracket comprises a right bracket bottom plate and a right bracket side plate, and the right bracket side plate is provided with a right bracket convex bump and a right bracket mounting hole.

4. The hard disk mounting device according to claim 1 , wherein the handle bracket side plate is provided with a handle bracket convex bump, and the handle bracket convex bump is provided with a handle bracket rivet hole, one end of the position-limiting handle is provided with a position-limiting handle mounting hole, and the rotating shaft passes through the position-limiting handle mounting hole and the handle bracket rivet hole.

5. The hard disk mounting device according to claim 1 , wherein the position-limiting handle is U-shaped.

6. The hard disk mounting device according to claim 1 , wherein the position-limiting handle is further provided with a flanging of the position-limiting handle.