Introduction of makeup brush components of makeup brush manufacturers (4)

The operating effects of the cosmetic brush with the above structure are as follows: FIG. 6 is a cross-sectional view of the cosmetic brush assembly of the present invention when the bristles of the brush unit are in the retracted position in the main cylinder. When the user wants to use this makeup brush assembly, the user presses the button 82 in FIG. 6 with his/her thumb, and at the same time holds the main tube 10 and the fixed tube 90 with his/her hand, so as to be fixedly connected to the button 82 The insertion unit 40 moves toward the axial direction of the main barrel 10, as shown in FIG. 7. In this case, the movable barrel 80 fixedly disposed on the button 82 also moves axially within the fixed barrel 90 in the same direction. As described above, when the insertion unit 40 moves axially toward the main cylinder 10, under the guidance of the guide groove 54, the rotating slider 70 moves in the same direction in the conveying cylinder 50. According to the movement of the insertion unit 40 toward the main barrel 10, the locking protrusion 72 of the slider 70 exits the guide groove 54 through the open end of the groove 54 and enters the accommodating hole 51. Once the locking protrusion 72 comes out of the guide groove 54 and enters the accommodating hole 51, the sliding block 70 is elastically pressed in the direction away from the main cylinder 10 by the restoring force of the first spring. In this case, the slider is held at a slightly non-overlapping position in the guide groove 54 with respect to the serrated portion 42, and the locking protrusions 72 of the slider 70 are moved into the bottom end of the serrated portion 42, respectively, so that, The rotating slider 70 rotates at a predetermined angle. Due to the rotation of the rotary slider 70, the locking protrusion 72 is moved to a position around the stopper 58. The locking projection 72 is therefore blocked by the stopper 58. Therefore, even when the user's thumb is removed from the button 82, the button 82 and the insertion unit 40 are allowed to elastically return to their original positions by the restoring force of the second spring 60, the rotary slider 70 will not return to it. The original position is only maintained at a predetermined position by the action of the locking protrusion 72 blocked by the stopper 58, as shown in FIG. 8. Of course, when the rotary slider 70 moves toward the main barrel 10 as described above, the brush unit 20 is pressed down in the same direction by the action of the slider 70, so that the bristles 22 of the brush unit 20 protrude outside the front end of the main barrel 10. In addition, the raised position of the bristles 22 is maintained until the rotary slider 70 returns to its original position. The user applies makeup on his/her face by using the raised bristles 22.
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