Hand pulling chain wheel assembly of rolling door motor

The utility model discloses a hand-pull chain wheel assembly of a rolling door motor, which comprises a hand-pull chain wheel and a brake device, the hand-pull chain wheel comprises a base wheel sheet and a grooved wheel sheet, the grooved wheel sheet is fixedly arranged on the base wheel sheet, and the grooved wheel sheet and the base wheel sheet have the same rotating shaft axis; a pair of chain blocking plate sets and/or more than one chain blocking plate are evenly distributed on the outer cambered surface of the hand-pulled chain wheel in the circumferential direction, a pair of belt chain plate sets and/or more than one belt chain plate are evenly distributed on the outer cambered surface of the hand-pulled chain wheel in the circumferential direction, and each chain blocking plate set or each chain blocking plate must be adjacent to the corresponding belt chain plate set or the corresponding belt chain plate. The hand-pull chain wheel is composed of the base wheel piece and the grooved wheel piece, the