Lg Electronics Inc.

Jaekwang Nam

Hyojin Ko

Seung-Suk Oh

Jin Il Hong

Jin Hong

Dosun Kim

Hyoung Uk Nam

Yeon Soo Lee

A rim cover assembly having a waterproof structure according to an embodiment of the present invention includes a rim of which an outer wheel is surrounded by a tire, wherein a shaft passes through and is connected to a center of the rim, a cover coupled to the rim to seal an interior of the rim, tire separation prevention steps formed on the rim and the cover to prevent separation of the tire, and a bolt coupling portion which couples the cover and the rim, wherein the tire separation prevention steps include a first tire separation prevention step, which is integrally formed with the rim and protrudes from one side of the rim and a second tire separation prevention step integrally formed with the cover coupled to the other side of the rim, and the bolt coupling portion may be formed in the second tire separation prevention step.

Rim cover assembly having waterproof structure and in-wheel motor having the same

The present invention relates to an in-wheel motor. The in-wheel motor according to an embodiment of the present invention includes: a circular rim to which a tire is coupled by being wrapped around an outer ring thereof and a shaft is connected by passing through a center thereof; a motor assembly which is disposed in an inner portion of the rim and includes a stator connected to the shaft and a rotor disposed to be wrapped around the stator and configured to rotate; a cover coupled to cover one open side surface of the rim and configured to seal the inner portion of the rim; and a lead-out wire entry/exit portion waterproof structure configured to seal an entry/exit portion for a lead-out wire connected to supply power from outside of the in-wheel motor to the inner portion of the rim via a hollow portion of the shaft, wherein the lead-out wire entry/exit portion waterproof structure includes an elastic stopper, to which the lead-out wire is connected to pass through a center thereof and which is configured to be elastically contracted after being inserted into the hollow portion of the shaft in an axial direction and seal between the hollow portion of the shaft and the lead-out wire, and a stopper fixing body fastened to the shaft and configured to press the elastic stopper in the axial direction so that the elastic stopper is inserted and fixed inside the hollow portion of the shaft.

In-wheel motor

Growing community of inventors

Seoul, South Korea

Jaekwang Nam