Today, our makeup brush
manufacturer will introduce a structure of makeup brush components. Figure 6 is a cross-sectional view of the cosmetic brush
assembly of the present invention when the bristles of the brush unit are located in the retracted position in the main barrel; Figure 7 is due to the axial movement of the brush unit being pushed and the bristles protrude from the main barrel, the present invention A cross-sectional view of the cosmetic brush assembly; Figure 8 is a cross-sectional view of the cosmetic brush assembly of the present invention when the pushed insertion unit elastically returns to its initial position, and the bristles are held in the protruding position outside the main barrel. Specific implementation methods Refer to the drawings, where the same reference numbers are used in all the different drawings to designate the same or similar elements. Fig. 1 is a perspective view of a cosmetic brush assembly according to an embodiment of the present invention. The assembly has bristles of a brush unit protruding from one end of the assembly. As shown in the figure, the cosmetic brush assembly of the present invention includes a cylindrical main barrel 10, a cylindrical movable barrel 80, and a cylindrical fixed barrel 90, which are assembled into a pencil-like single structure. When the user wants to use the brush assembly, the user presses the button 82 provided at the rear end of the movable barrel 80 with his/her thumb, and at the same time grasps the main barrel 10 and the fixed barrel 90 with his/her hand, so that The bristles 22 of the brush unit 20 protrude from the front end of the main cylinder 10 to the outside, and are maintained at the protruding position. The user applies makeup on his/her face by using the protruding bristles 22. After the brush assembly is used up, when the user presses the button 82 in the same direction again, the protruding bristles 22 retract into the front end of the main barrel 10. Fig. 2 is an exploded perspective view of the cosmetic brush assembly of the present invention. As shown in the figure, the cylindrical main barrel 10 has a tapered end 14 for guiding the axial movement of the bristles 22. The inner diameter and outer diameter of the end portion 14 gradually decrease in the direction from the rear portion to the front end, so it has a tapered structure. Under the guidance of the tapered end 14, the bristles 22 of the brush unit 20 protrude or retract from the front end of the main cylinder 10. By squeezing the side walls outward in a radial direction, an annular ridge 12 is formed at a position adjacent to the rear end of the main cylinder 10 around the side wall of the main cylinder 10. The above-mentioned annular ridge 12 determines a locking position of the fixed cylinder 90 relative to the main cylinder 10.
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