Nail grinder

Abstract

A nail grinder includes: a housing, a master control module, a drive assembly, a nail grinding member, a power supply, and a display. The housing has a receiving cavity, and a cavity wall defines a first through opening communicating with to an exterior of the housing, a mounting structure is arranged on an outer surface of the housing. The master control module is received in the receiving cavity. The drive assembly is received in the receiving cavity and electrically connected to the master control module. The nail grinding member is at least partially exposed out of the receiving cavity and connected to the drive assembly. The drive assembly drives the nail grinding member to rotate. The power supply is received in the receiving cavity and electrically connected to the master control module. The display is mounted on the mounting structure and electrically connected to the master control module.

1 . A nail grinder, comprising:
 a housing, having a receiving cavity, wherein a wall of the receiving cavity defines a first through opening communicating with to an exterior of the housing, a mounting structure is arranged on an outer surface of the housing, and a cavity of the mounting structure is fluidly connected with the receiving cavity;   a master control module, received in the receiving cavity and disposed at a side of the mounting structure;   a drive assembly, received in the receiving cavity and electrically connected to the master control module;   a nail grinding member, at least partially exposed out of the receiving cavity and connected to the drive assembly through the first through opening, wherein the drive assembly is configured to drive the nail grinding member to rotate;   a power supply, received in the receiving cavity and electrically connected to the master control module; and   a display, at least partially mounted on the mounting structure and electrically connected to the master control module;   wherein, the master control module is attached to an inner surface of the housing;   the power supply is disposed at a side of the master control module opposite to the inner surface of the housing; and   the drive assembly is connected to and extending away from an end of the master control module and an end of the power supply.   
     
     
         2 . The nail grinder according to  claim 1 , wherein a portion of the housing serves as the mounting structure. 
     
     
         3 . The nail grinder according to  claim 2 , wherein a surface of the mounting structure facing away from the receiving cavity has a first region and a second region surrounding a circumference of the first region, the first region is recessed relative to the second region towards the receiving cavity, the recessed first region and the second region cooperatively define a mounting groove, the display is mounted in the mounting groove. 
     
     
         4 . The nail grinder according to  claim 3 , wherein a bottom of the mounting groove defines a second through opening communicating with the receiving cavity, the display comprises a display panel and a protective screen covering the display panel, the display panel is integrated into the master control module and is received in the second through opening, and the protective screen is received in the mounting groove. 
     
     
         5 . The nail grinder according to  claim 1 , wherein, along a length direction of the nail grinder, the drive assembly is disposed between the nail grinding member and the power supply; and
 an orthographic projection of the power supply onto the inner surface of the housing is entirely located out of an orthographic projection of the drive assembly onto the inner surface of the housing.   
     
     
         6 . The nail grinder according to  claim 1 , further comprising a foam, wherein an adhesive layer is arranged on a surface of the foam, and the power supply is adhered to a side of the master control module away from the display via the foam. 
     
     
         7 . The nail grinder according to  claim 1 , wherein the housing comprises two end portions and a hand-held portion, the two end portions are disposed opposite to each other in a length direction of the housing, the hand-held portion is disposed between the two end portions, and the hand-held portion is curved and is recessed towards the receiving cavity. 
     
     
         8 . The nail grinder according to  claim 1 , wherein the nail grinding member is detachably connected to the drive assembly. 
     
     
         9 . The nail grinder according to  claim 8 , wherein the drive assembly comprises a body and an output shaft, the output shaft is arranged on the body, the body is configured to drive the output shaft to rotate, a side of the output shaft away from the body defines a slot, the nail grinding member comprises a grinding head and a connection rod, an end of the connection rod is connected to the grinding head, and the other end of the connection rod is detachably inserted in the slot. 
     
     
         10 . The nail grinder according to  claim 9 , wherein a cross section of the other end of the connection rod is different from a circle, and the slot has a shape matching with a shape of the other end of the connection rod. 
     
     
         11 . The nail grinder according to  claim 9 , wherein the nail grinding member further comprises a connection base, the connection rod extends through the connection base and is rotatably connected to the connection base, the connection base is inserted in the first through opening, and the connection base is fixedly connected to the housing in a circumferential direction of the connection rod. 
     
     
         12 . The nail grinder according to  claim 11 , further comprising: a collection cover, wherein the collection cover comprises a collection portion and a snapping portion, the collection portion is disposed on a side of the grinding head in a direction perpendicular to a rotation axis of the grinding head, the snapping portion is connected to a side of the collection cover facing the housing, the snapping portion is snapped to the connection base. 
     
     
         13 . The nail grinder according to  claim 9 , further comprising: a sound insulating foam that wraps the body. 
     
     
         14 . The nail grinder according to  claim 1 , wherein, along a direction perpendicular to a length direction of the nail grinder, a size of the drive assembly is greater than a size of the power supply. 
     
     
         15 . The nail grinder according to  claim 1 , wherein, an angle between a rotation axis of the drive assembly substantially coincides with or is parallel to a center line of the power supply. 
     
     
         16 . The nail grinder according to  claim 1 , further comprising a switch assembly, wherein the switch assembly and the display are disposed on a same side of the housing. 
     
     
         17 . The nail grinder according to  claim 16 , wherein the switch assembly comprises a motor control switch, the motor control switch is at least partially exposed out of the housing and is connected to the master control module, and the motor control switch is configured to control the drive assembly to start operating or to stop operating. 
     
     
         18 . The nail grinder according to  claim 17 , further comprising a light source, wherein the light source is electrically connected to the master control module, the light source emits light towards a region adjacent to the nail grinding member, and the adjacent region is located on a side of the nail grinding member opposite to a rotational center line of the nail grinding member. 
     
     
         19 . The nail grinder according to  claim 18 , wherein the housing comprises two ends disposed opposite each other in a length direction of the housing, the display is disposed adjacent to one of the two ends of the housing, and the light source is disposed adjacent to the other one of the two ends of the housing, and the switch assembly is disposed between the display and the light source. 
     
     
         20 . The nail grinder according to  claim 19 , wherein the switch assembly further comprises a light source control button, the light source control button is exposed from the outer surface of the housing and is connected to the master control module, the light source control button is configured to switch on and switch off the light source.