Motor structure and flat type vibration motor structure using the same

摘要

Disclosed herein is a motor structure with reduced rotation resistance of a bearing. The motor structure according to the preferred embodiment of the present invention includes: a fixing body, a shaft fixed to the fixing body, a bearing rotatably fitted on the shaft, a rotating body fixed to an outer side of the bearing and rotated by electromagnetic force, a case fixed to the fixing body and having the shaft, the bearing, and the rotating body accommodated in an inner space thereof, and a washer fixed to a top inside of the case so as to be interposed between the top inside of the case and a top surface of the bearing and contacting a part of the top area of the bearing.

主权项

1. A motor structure, comprising:
a fixing body; a shaft fixed to the fixing body; bearings rotatably fitted on the shaft; a rotating body fixed to outsides of the bearings and rotated by electromagnetic force; a case fixed to the fixing body and having the shaft, the bearings, and the rotating body accommodated in an inner space thereof; and a washer fixed to a top inside of the case so as to be interposed between the top inside of the case and top surfaces of the bearings and contacting a part of the top areas of the bearings, wherein the washer is formed in a bar shape of which the length is longer than an outer diameter of the bearing and the width is smaller than the outer diameter of the bearing.