Electric Power Steering Apparatus and Assembly Method Thereof

• Main Author: JUNG, DAE HEE
• Format: Patent
• Language: English; Korean
• Published: 30.11.2018
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; MECHANICAL ENGINEERING; MOTOR VEHICLES; PERFORMING OPERATIONS; THERMAL INSULATION IN GENERAL; TRAILERS; TRANSPORTING; WEAPONS

The present invention relates to an electric power assist steering apparatus, which comprises: a gear housing having a nut coupling unit wherein a ball nut is coupled via a bearing and allowing an air circulation groove to be formed on the inner circumferential surface of the nut coupling unit; and a lock screw having a screw unit on the outer circumferential surface and allowing the screw unit to be coupled to the nut coupling unit to support the bearing and having a release prevention unit, protruding from the air circulation groove after being coupled to the nut coupling unit. Accordingly, release of the lock screw can be prevented. 본 발명은 전동식 동력 보조 조향장치에 관한 것으로, 볼너트가 베어링을 매개로 결합되는 너트결합부가 형성되되, 너트결합부 내주면에 공기순환홈이 형성되는 기어하우징, 외주면에 나사부가 형성되며 나사부가 너트결합부에 결합되어 베어링을 지지하고, 너트결합부에 결합된 후 공기순환홈으로 돌출되는 풀림방지부가 형성되는 락스크류를 포함하여 락스크류의 풀림을 방지한다.