Patent ID: 11892068
Assignee: SHENZHEN XINGKANG POWER ASSEMBLY CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A differential self-locking device, comprising:
a differential housing;
a half-shaft output gear set;
an upper worm and worm gear mechanism;
a lower worm and worm gear mechanism;
a differential planetary gear set;
a worm gear shaft;
brake pads; and
a positioning shaft sleeve;
wherein the half-shaft output gear set, the upper worm and worm gear mechanism, the lower worm and worm gear mechanism, the differential planetary gear set, the worm gear shaft; the brake pads; and the positioning shaft sleeve are disposed in the differential housing; the half-shaft output gear set comprises a left half-shaft output gear and a right half-shaft output gear; the left half-shaft output gear and the right half-shaft output gear are symmetrically disposed in the differential housing;
wherein the upper worm and worm gear mechanism and the lower worm and worm gear mechanism are rotationally symmetrically disposed; the upper worm and worm gear mechanism and the lower worm and worm gear mechanism are connected to the left half-shaft output gear and the right half-shaft output gear;
wherein the differential planetary gear set is disposed between the upper worm and worm gear mechanism and the lower worm and worm gear mechanism; the differential planetary gear set is connected to the upper worm and worm gear mechanism, the lower worm and worm gear mechanism, the left half-shaft output gear, and the right half-shaft output gear through gear meshing; the worm gear shaft is disposed between the left half-shaft output gear and the right half-shaft output gear.