Disclosed is an invention for an automobile differential gear in which the manufacturing process steps are reduced, and the cost and weight are reduced. According to the present invention, the automobile differential gear comprises: a differential case part facing each other in a direction intersecting an opening and a center line, and having a pair of installation hole parts having a first screw thread formed therein; a differential case cover part covering the opening and in contact with the differential case part; a differential gear part in contact with the differential case cover part; a coupling part for coupling the differential case part, the differential case cover part, and the differential gear part; and a pinion gear shaft part disposed in the pair of installation hole parts and having a pinion shaft having a second screw thread engaged with the first screw thread on the outside thereof.
자동차 차동장치에 대한 발명이 개시된다. 개시된 자동차 차동장치는: 개방구와, 중심선과 교차되는 방향으로 서로 마주보고, 내측에 제1나사산이 형성되는 한 쌍의 설치홀부가 형성되는 디퍼렌셜케이스부와, 개방구를 덮으며, 디퍼렌셜케이스부와 접촉되는 디퍼렌셜케이스커버부와, 디퍼렌셜케이스커버부와 접촉되는 디퍼렌셜기어부와, 디퍼렌셜케이스부, 디퍼렌셜케이스커버부 및 디퍼렌셜기어부를 결합시키는 결합부와, 한 쌍의 설치홀부 내에 배치되며, 외측에 제1나사산과 맞물려 결합되는 제2나사산이 형성되는 피니언샤프트를 구비하는 피니언기어샤프트부를 포함하는 것을 특징으로 한다.
DIFFERENTIAL ASSEMBLY OF VEHICLE
자동차용 차동장치
2021-03-10
Patent
Electronic Resource
Korean