Multifunctional electric cosmetic brush

Abstract

A multifunctional electric cosmetic brush includes bristles, a brush handle, a bristle cover, a circuit board, a spring, and a massage assembly. The massage assembly is disposed in an accommodating chamber of the brush handle. The massage assembly includes a battery, a vibrating motor, an eccentric block, a metal strip, and a pressing sheet. The circuit board is disposed on the pressing sheet. The circuit board includes a control circuit. The spring is disposed on a bottom of the pressing sheet. An end of the battery is electrically connected to an end of the vibrating motor. The other end of the battery is connected to the pressing sheet through the spring. The other end of the vibrating motor is provided with an eccentric block. An end of the metal strip is connected to the pressing sheet. The other end of the metal strip is connected to the vibrating motor.

What is claimed is: 
     
         1 . A multifunctional electric cosmetic brush, comprising: bristles, a brush handle, a bristle cover, a circuit board, a spring, and a massage assembly; wherein the brush handle defines an accommodating chamber therein; the massage assembly is disposed in the accommodating chamber; the massage assembly comprises: a battery, a vibrating motor, an eccentric block, a metal strip, and a pressing sheet; the circuit board is disposed on the pressing sheet; the circuit board comprises: a control circuit; the spring is disposed on a bottom of the pressing sheet; an end of the battery is electrically connected to an end of the vibrating motor; the other end of the battery is connected to the pressing sheet through the spring; the eccentric block is disposed on the other end of the vibrating motor; an end of the metal strip is connected to the pressing sheet; the other end of the metal strip is connected to the vibrating motor; the bristle cover is disposed on a front end of the brush handle; and the bristles are disposed on the bristle cover. 
     
     
         2 . The multifunctional electric cosmetic brush as claimed in  claim 1 , further comprising: a metal gasket; wherein the metal gasket is disposed on the circuit board. 
     
     
         3 . The multifunctional electric cosmetic brush as claimed in  claim 2 , further comprising: a screw; wherein the screw is disposed on the pressing sheet; the spring is connected to the pressing sheet through the screw; and the pressing sheet is connected to the circuit board and the metal gasket through the screw. 
     
     
         4 . The multifunctional electric cosmetic brush as claimed in  claim 3 , further comprising: a stud; wherein the stud is disposed on a side of the pressing sheet, and the pressing sheet is connected to a side of the circuit board through the stud. 
     
     
         5 . The multifunctional electric cosmetic brush as claimed in  claim 4 , wherein the bristle cover comprises: a bristle front cover and a bristle back cover; the bristle front cover is connected to the bristle back cover; the bristle back cover is buckled with the front end of the brush handle; and the bristles are disposed on the bristle front cover. 
     
     
         6 . The multifunctional electric cosmetic brush as claimed in  claim 5 , wherein the control circuit comprises: a power circuit, a microcontroller unit (MCU) control circuit, a switch control circuit, a speed regulation circuit, and a massage vibration control circuit; the power circuit is configured to provide power for the MCU control circuit; the MCU control circuit is configured to control the speed regulation circuit through the switch control circuit; and the speed regulation circuit is configured to control the vibrating motor through the massage vibration control circuit. 
     
     
         7 . The multifunctional electric cosmetic brush as claimed in  claim 5 , wherein the MCU control circuit is a chip with a model of MC9S12G. 
     
     
         8 . A multifunctional electric cosmetic brush, comprising:
 bristles;   a bristle cover, disposed under the bristles and connected to the bristles;   a brush handle, disposed under the bristle cover and connected to the bristle cover;   a battery, disposed in the brush handle;   a vibrating motor, disposed in the brush handle and under the battery;   wherein the vibrating motor is connected to the battery;   a metal strip, disposed in the brush handle and at a side of the battery;   wherein the metal strip is connected to the vibrating motor;   a pressing sheet, disposed in the brush handle and above the battery; wherein the pressing strip is connected to the metal strip;   a screw, disposed on a side of the pressing sheet facing away from the battery;   a circuit board, disposed above the pressing sheet; wherein the circuit board is located at the side of the pressing sheet facing away from the battery, and the screw passes through the circuit board to connect the bristle cover;   a spring, disposed between the battery and the pressing sheet;   a stud, disposed on the side of the pressing sheet facing away from the battery; wherein the stud passes through the circuit board to connect the bristle cover;   wherein the battery is configured to provide power for the vibrating motor;   and the vibrating motor is configured to transmit a vibration force to the bristle cover through the metal strip, the pressing sheet, the screw and the stud, thereby driving the bristles to perform vibration and massage.   
     
     
         9 . The multifunctional electric cosmetic brush as claimed in  claim 8 , wherein the bristle cover comprises a bristle front cover and a bristle back cover; the bristle front cover is disposed between the bristles and the bristle back cover; and
 the bristle back cover is disposed on the brush handle.   
     
     
         10 . The multifunctional electric cosmetic brush as claimed in  claim 9 , wherein a central position on a back of the bristle back cover defines a first through-hole, and the back of the bristle back cover defines a second through-hole located at a side of the first through-hole; a back of the bristle front cover is provided with a screw hole and a buckle; the screw passes through the first through-hole and is threaded with the screw hole; and the stud passes through the second through-hole and is buckled together with the buckle. 
     
     
         11 . The multifunctional electric cosmetic brush as claimed in  claim 10 , wherein a front of the bristle front cover defines a clamping hole, and the bristles are clamped in the clamping hole.