A motor brush holder including shell, Yahuang frame, compression spring, coiled spring, touch the piezoelectric brush can maintain persistent constant pressure. Compression spring frame is inserted into the shell, simply press the elastic piece so insert and chuck card axis card then fixed purpose. Handling the brush is convenient and easy to operate.
Motor brush holder characterized in that: The frame compression spring as "N"-shaped, is inserted in the housing, the compression spring holder is fixed to the compression spring, the compression of the coil spring, the compression spring side of the frame as the elastic sheet, the elastic sheet with card head, shell equipped with card axis corresponding chuck.
An electric motor brush holder holding the brush holder between the bottomed cylindrical yoke and covering the opening of the yoke bracket, can be realized the small-diameter compact. Using the first disk portion and a second plate portion constituting the brush holder, said first plate portion is formed with three side piece portion of the brush accommodating portion and the backsheet portions of the brush accommodating portion, said second plate portion is formed in the the bracket side of the brush holder is formed an annular abutment surface, the abutment surface constituted by a first disk portion and a second disk portion, including a backsheet portion of the brush accommodating portion, at the abutment surface and the inner diameter side of the bracket disk OD side sheet portion, an inner diameter side of the sheet portion and the connecting piece section bracket side elastic member is mounted between
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