Developing box

Abstract

The invention discloses a developing box, and aims to provide a developing box which is simple in structure and low in cost. The photosensitive drum developing device comprises a box body, a developing roller and an end cover are arranged on the box body, and the developing roller is rotationally connected to the box body and abuts against a photosensitive drum; the end cover is provided with a separation part, the separation part comprises a rotatable separation piece and a movable force application piece, one end of the separation piece can receive the separation force of the image imaging device, the other end of the separation piece abuts against the force application piece, and the force application piece moves towards the direction close to the photosensitive drum when the separation piece receives the separation force and can push the end part of the developing roller to be separated from the photosensitive drum; or the separation part comprises a separation bulge, the separation bulge is provided with an inclined stress surface capable of receiving the separation force of the image imaging device, and the end part of the box body moves towards the direction far away from the photosensitive drum when the inclined stress surface receives the separation force. The invention is applied to the technical field of imaging devices.

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