CN214906291U

CN214906291U - Electric bathing brush

Info

Publication number: CN214906291U
Application number: CN202120882510.1U
Authority: CN
Inventors: 梁静静; 谭强
Original assignee: Shanghai Sujie Intelligent Technology Co ltd
Current assignee: Shanghai Sujie Intelligent Technology Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-30
Anticipated expiration: 2031-04-27

Abstract

The utility model provides an electronic bathing brush relates to articles for daily use technical field to solve the poor problem of skin surface decontamination effect when the single-end bathing brush uses among the prior art, this electronic bathing brush includes host computer casing (11), rotatory gear train (2) and a plurality of brush dish (5), rotatory gear train (2) set up in the head of host computer casing (11), it is a plurality of brush dish (5) set up in the outside of host computer casing head (11), be provided with brush head (51) on brush dish (5), rotatory gear train (2) and a plurality of brush dish (5) are connected and can be driven a plurality of brush dish (5) are around a plurality of the central point that brush dish (5) formed rotates, and can drive a plurality of brush dish (5) rotate around respective axle center. The brush mark of the latter brush disk in the rotating direction in the plurality of brush disks can cover the brush mark of the former brush disk, so that the brush head can form multiple times of friction without dead angles on the skin, and the dirt-removing capacity of the brush is strong.

Description

Electric bathing brush

Technical Field

The utility model belongs to the technical field of articles for daily use technique and specifically relates to an electronic bathing brush is related to.

Background

The back of a human body easily secretes dirt such as sebum and the like, and pores are easily blocked if the back is not cleaned in time, so that acne and inflammation are grown on the skin. When taking a bath, the hands of people can hardly reach the back, so that the people are difficult to clean by using common bath towels or bath balls, especially the old and children. With the development of the times, people develop bath brushes according to the requirements. The general bathing brush comprises a manual bathing brush and an electric bathing brush, and both the manual bathing brush and the electric bathing brush consist of a brush head and a brush handle, when the brush head is used for bathing, the manual bathing brush needs to be directly moved by hands to be pressed and cleaned, and the electric bathing brush adopts the principle that the brush head is driven by a motor to rotate, and dead skin and dirt on the surface of skin are removed through friction between the brush head and the skin.

However, the output shaft of the existing electric bathing brush is connected with the brush head through the output shaft of the motor, the output shaft of the motor extends out of the shell, and the output shaft is waterproof through the sealing ring. In addition, the existing electric bathing brush is generally only provided with a single brush head, and the brush head rotates in one direction, as shown in figure 1, when the electric bathing brush is used, the single brush head rotates on the surface of the skin in a friction way to form a circle of brush marks which are parallel inside and outside, the friction effect of the brush head and the skin is poor, dirt on the surface of the skin is difficult to remove, and the decontamination effect is not ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic bath brush to solve among the prior art the poor problem of skin surface decontamination effect when single-end bath brush uses, the utility model discloses an electronic bath brush's brush is effectual with the friction of skin, and the dirt-removing power is strong, can do fixed cleanness to a certain position of skin, and water-proof effects is good, and the practicality is stronger.

The utility model provides a pair of electronic bathing brush, including host computer casing, rotatory gear train and a plurality of brush dish, rotatory gear train set up in the head of host computer casing is a plurality of the brush dish set up in the outside of host computer casing head, be provided with the brush head on the brush dish, rotatory gear train and a plurality of the brush dish is connected and can drive a plurality ofly the brush dish is around a plurality of the central point that the brush dish formed rotates, and can drive a plurality of the brush is coiled respective axle center and is rotated.

As a preferred scheme of the utility model, rotatory gear train includes ring gear, sun gear and a plurality of side gear, and is a plurality of the side gear centers on sun gear evenly set up and with sun gear meshes mutually, ring gear sets up in a plurality of side gear's the outside and with a plurality of side gear meshes mutually, and is a plurality of side gear passes through it is in sun gear drive sun gear with rotate between the ring gear, it is a plurality of the brush dish connect respectively in sun gear with on the side gear.

As an optimized scheme of the utility model host computer casing orientation one side of brush dish is provided with the storage tank, rotatory gear train set up in the storage tank the top of storage tank is provided with side cover and rolling disc, the side cover set up in the outside of rolling disc and general the periphery pressfitting of rolling disc in on the storage tank.

As a preferred scheme of the utility model, sun gear with the center of side gear all is provided with the connecting axle, be provided with a plurality of through-holes on the rolling disc, every the connecting axle passes respectively rotate a brush dish of through-hole connection that covers.

As an optimized scheme of the utility model, still include magnetism and inhale coupling assembling one side of host computer casing orientation storage tank is equipped with the cage, the cage with host computer casing sealing connection and form inclosed accommodation space in the host computer casing, magnetism is inhaled coupling assembling including being used for connecting the interior driving part of the inside power supply of host computer casing with be used for the drive the outside brush dish pivoted outer follower of host computer casing, interior driving part set up in the cage is inboard in the accommodation space of host computer casing, outer follower set up in the storage tank in the cage outside interior driving part with all be provided with the magnet on the outer follower, interior driving part with outer follower attracts synchronous rotation mutually through magnetism.

As an optimized scheme of the utility model interior driving part orientation one side of cage is provided with first interior caulking groove, be provided with first magnet in the first interior caulking groove outer follower orientation one side of cage is provided with the second interior caulking groove, the second interior caulking groove with first interior caulking groove sets up correspondingly, be provided with the second magnet in the second interior caulking groove, interior driving part passes through first magnet with the second magnet attracts mutually and drives outer follower is synchronous to be rotated.

As a preferable aspect of the present invention, the first inner caulking groove and the first magnet each include a plurality of groups, the first inner caulking groove and the first magnet in the same group are disposed in the same radial direction of the inner driving member, the plurality of groups of the first inner caulking groove are uniformly disposed around the center of the inner driving member, the second inner caulking groove and the second magnet in the same group are disposed in the same radial direction of the outer driven member, and the plurality of groups of the second inner caulking groove are uniformly disposed around the center of the outer driven member; the adjacent two groups of first magnets face the opposite polarity of one end of the isolation cover, the adjacent two groups of second magnets face the opposite polarity of one end of the isolation cover, and the first magnets and the second magnets are arranged in a one-to-one correspondence mode.

As an optimal scheme of the utility model the center orientation of interior initiative piece one side of cage is provided with first pressure bearing, first pressure bearing orientation one side protrusion in of cage interior initiative piece sets up the center orientation of outer follower one side of cage is provided with second pressure bearing, second pressure bearing orientation one side protrusion in of cage outer follower sets up, first pressure bearing with the corresponding setting of second pressure bearing.

As a preferred aspect of the present invention, the inner driving member is a circular plate, and the outer driven member is a sun gear.

As a preferable scheme of the utility model, the utility model further comprises a handle and a tail buckle, wherein the handle is connected with one end of the main machine shell far away from the isolation cover through a magnetic attraction and a buckle, and the tail buckle is connected with one end of the handle far away from the main machine shell; the power assembly is arranged in the main machine shell and used for providing power, the power assembly comprises a motor and a reduction gearbox, and an output shaft of the motor is connected with the reduction gearbox; the power supply part and the control panel are arranged in the main machine shell and are connected with the power assembly.

Compared with the prior art, the utility model discloses there is following positive effect:

1. the utility model provides an electronic bathing brush, through setting up, including host computer casing, rotatory gear train and a plurality of brush dish, rotatory gear train sets up in the head of host computer casing, and a plurality of brush dishes set up in the outside of host computer casing head, are provided with the brush head on the brush dish, and rotatory gear train is connected with a plurality of brush dishes and can drives a plurality of brush dishes and rotate around the central point that a plurality of brush dishes formed, and can drive a plurality of brush dishes and rotate around respective axle center. The brushes on the brush discs form spirally rotating brush marks, and the brush marks of the next brush disc in the plurality of brush discs in the rotating direction can cover the brush marks of the previous brush disc, so that the brush head can form multiple times of friction without dead angles on skin, the friction effect of the brushes and the skin is good, and the dirt-removing capacity is strong.

2. The embodiment of the utility model provides an electronic bath brush, still set up magnetism and inhale coupling assembling, be equipped with the cage in one side of host casing orientation storage tank, the cage forms inclosed accommodation space with host casing sealing connection and in the host casing, magnetism is inhaled coupling assembling including the interior driving piece that is used for connecting the inside power supply of host casing and is used for driving the outside brush dish pivoted outer follower of host casing, interior driving piece sets up in the accommodation space of the inboard host casing of cage, outer follower sets up in the storage tank in the outside of cage, all be provided with the magnet on interior driving piece and the outer follower, interior driving piece is inhaled synchronous rotation through magnetism with outer follower mutually. Thereby transmit the inside power of host computer casing to the outside of host computer casing, and do not have direct contact between interior driving piece and the outer follower, but lean on magnetic field transmission moment, avoid passing the host computer casing through the axis of rotation and transmit power to make the electronic bath brush of this embodiment have better waterproof performance.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a prior art trace of brush marks of a single brush head;

FIG. 2 is an exploded view of the electric bath brush of the present invention;

FIG. 3 is a trace diagram of brush marks on the brush head of the electric bathing brush of the present invention;

FIG. 4 is an exploded view of the electric bath brush of the present invention from another perspective;

FIG. 5 is a relative view of the inner driving member and the outer driven member of the present invention;

FIG. 6 is a front view of the electric bathing brush of the present invention;

FIG. 7 is a cross-sectional view A-A of FIG. 6;

fig. 8 is a layout diagram of the first and second magnets on the inner and outer followers according to the present invention.

In the figure: 11. a main housing; 111. an isolation cover; 112. a card slot; 113. a containing groove; 114. a charging port; 115. a bayonet; 12. a handle; 121. buckling; 13. a tail buckle; 2. a rotating gear set; 21. a sun gear; 211. a second inner caulking groove; 22. a side gear; 23. a ring gear; 24. a second pressure bearing; 25. a connecting shaft; 3. rotating the disc; 31. a through hole; 4. a side cover; 41. a hook is clamped; 5. brushing a disc; 51. a brush head; 6. an inner driving member; 61. a first pressure bearing; 62. a first inner caulking groove; 7. a power assembly; 71. a reduction gearbox; 72. A motor.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Example 1:

the electric bathing brush provided by the embodiment comprises a main machine shell 11, a rotary gear set 2 and a plurality of brush discs 5, wherein the rotary gear set 2 is arranged at the head part of the main machine shell 11, the brush discs 5 are arranged at the outer side of the head part of the main machine shell 11, brush heads 51 are arranged on the brush discs 5, the rotary gear set 2 is connected with the brush discs 5 and can drive the brush discs 5 to rotate around the central point formed by the brush discs 5, and the brush discs 5 can be driven to rotate around respective axes.

The electric bathing brush of the embodiment is characterized in that a plurality of brush discs 5 are arranged outside a main machine shell 11, the plurality of brush discs 5 rotate around a central point in the same direction, and the plurality of brush discs 5 rotate around the axes of the brush discs respectively, as shown in fig. 3, brushes on the plurality of brush discs 5 form spirally rotating brush marks, and the brush marks of the next brush disc 5 in the plurality of brush discs 5 in the rotating direction can cover the brush marks of the previous brush disc 5, so that the brush head 51 forms multiple times of friction without dead angles on skin, the friction effect of the brushes and the skin is good, and the dirt-removing capability is strong.

Preferably, the rotating gear set 2 includes a ring gear 23, a central gear 21 and a plurality of side gears 22, the plurality of side gears 22 are uniformly arranged around the central gear 21 and are meshed with the central gear 21, the ring gear 23 is arranged outside the plurality of side gears 22 and is meshed with the plurality of side gears 22, the plurality of side gears 22 are driven by the central gear 21 to rotate between the central gear 21 and the ring gear 23, and the plurality of brush discs 5 are respectively connected to the central gear 21 and the side gears 22. The central gear 21 of the present embodiment can drive the side gear 22 to rotate when rotating, and at the same time, the side gear 22 is meshed with the ring gear 23, so that the side gear 22 rotates around the central gear 21, and the side gear 22 rotates while revolving around the central gear 21, thereby driving the brush plate 5 to revolve and rotate. Preferably, the side gears 22 include four. The evenly distributed brush discs 5 can balance the stress condition of the head of the main machine shell 11 when rotating. Preferably, the size of the central gear 21 is larger than the size of the plurality of side gears 22, so that the rotation speed of the side gears 22 is larger than that of the central gear 21, the rotation speed of the brush disc 5 connected to the side gears 22 is higher, and the cleaning effect of the brush head 51 is better.

Preferably, a containing groove 113 is formed on a side of the main housing 11 facing the brush tray 5, the rotating gear set 2 is disposed in the containing groove 113, a side cover 4 and the rotating tray 3 are disposed above the containing groove 113, and the side cover 4 is disposed on an outer side of the rotating tray 3 and presses the periphery of the rotating tray 3 into the containing groove 113. The side cover 4 fixes the rotary disk 3 to the accommodating groove 113 and covers the accommodating groove 113, so that the rotary gear set 2 is located at the lower side of the rotary disk 3, and the rotary disk 3 can rotate relative to the side cover 4. The side cover 4 is connected to the receiving groove 113 through the hook 41 and the slot 112.

Preferably, a connecting shaft 25 is arranged at the center of each of the central gear 21 and the side gear 22, a plurality of through holes 31 are formed in the rotating disc 3, each connecting shaft 25 penetrates through the through hole 31 in the rotating cover to be connected with one brush disc 5, and a brush head 51 is arranged on each brush disc 5. Preferably, the brush head 51 is made of silicone, and has good skin touch feeling. The central gear 21 and the side gears 22 rotate to drive the brush discs 5 to rotate through the connecting shaft 25, the side gears 22 rotate around the central gear 21 to drive the rotating cover to rotate, and the plurality of brush discs 5 rotate around the center of the rotating disc 3. The plurality of brush disks 5 are the same in size and four in number. The number of brush plates 5 may also be arranged as appropriate.

Example 2

As an implementation manner of embodiment 1, the electric bathing brush of this embodiment further includes a magnetic connection assembly, a shielding case is disposed on one side of the main casing 11 facing the containing groove 113, the shielding case 111 is connected to the main casing 11 in a sealing manner and forms a closed containing space in the main casing 11, the magnetic connection assembly includes an inner driving member 6 for connecting an internal power source of the main casing 11 and an outer driven member for driving the external brush tray 5 of the main casing 11 to rotate, the inner driving member 6 is disposed in the containing space of the main casing 11 inside the shielding case, the outer driven member is disposed in the containing groove 113 outside the shielding case, magnets are disposed on the inner driving member 6 and the outer driven member, and the inner driving member 6 and the outer driven member are attracted and synchronously rotated through magnetism. Preferably, the shielding case 111 is of an integral structure with the main housing 11. The electric bathing brush of the embodiment forms a closed accommodating space in the main machine shell 11 by arranging the isolation cover 111 on the main machine shell 11, so that the power source is sealed in the main machine shell 11, and the power source is prevented from contacting water outside the main machine shell 11. Through set up the interior driving part 6 of connecting the inside power supply of host computer casing 11 and be used for driving the outside brush head 51 pivoted outer follower of host computer casing 11 respectively in the inside and outside both sides of cage 111, and set up the magnet on driving part 6 and the outer follower including respectively, the principle of attracting mutually through magnetism makes interior driving part 6 drive outer follower synchronous revolution, thereby transmit the outside to host computer casing 11 with the inside power of host computer casing 11, and do not have direct contact between interior driving part 6 and the outer follower, but rely on magnetic field transmission moment, avoid passing host computer casing 11 through the axis of rotation and transmit power, thereby make the electronic bath brush of this embodiment have better waterproof performance.

Preferably, a first inner embedded groove 62 is formed in one side, facing the shielding case, of the inner driving part 6, a first magnet is arranged in the first inner embedded groove 62, a second inner embedded groove 211 is formed in one side, facing the shielding case, of the outer driven part, the second inner embedded groove 211 is arranged corresponding to the first inner embedded groove 62, a second magnet is arranged in the second inner embedded groove 211, and the inner driving part 6 is attracted by the first magnet and the second magnet to drive the outer driven part to rotate synchronously. The first magnet is fixed on the inner driving piece 6 by arranging the first inner embedded groove 62, and the second magnet is fixed on the outer driven piece by arranging the second inner embedded groove 211, so that the first magnet and the second magnet are respectively fixed on the inner driving piece 6 and the outer driven piece more firmly.

Preferably, the first inner embedding grooves 62 and the first magnets each include multiple sets, the first inner embedding grooves 62 and the first magnets in the same set are disposed in the same radial direction of the inner driving member 6, the multiple sets of the first inner embedding grooves 62 are uniformly disposed around the center of the inner driving member 6, the second inner embedding grooves 211 and the second magnets each include multiple sets, the second inner embedding grooves 211 and the second magnets in the same set are disposed in the same radial direction of the outer driven member, and the multiple sets of the second inner embedding grooves 211 are uniformly disposed around the center of the outer driven member. The first and second magnets are disposed in one-to-one correspondence with the first and second

inner caulking grooves

62 and 211, respectively. The multiple sets of first inner caulking grooves 62 and the multiple sets of second inner caulking grooves 211 are respectively and uniformly distributed on the inner driving piece 6 and the outer driven piece, so that uniform magnetic attraction is formed between the inner driving piece 6 and the outer driven piece.

The polarities of the two adjacent groups of first magnets facing one end of the isolation cover are opposite, the polarities of the two adjacent groups of second magnets facing one end of the isolation cover are opposite, and the first magnets and the second magnets are arranged in a one-to-one correspondence mode. The first and second magnets are circumferentially arranged in an NS-crossing manner.

Referring to fig. 8, when the number of the first inner embedding grooves 62 in two adjacent groups in the rotation direction of the inner driving member 6 is different in the radial direction, and the number of the first inner embedding grooves 62 in the radial direction is one, if one end of the first magnet in the first inner embedding groove 62 facing the shielding case 111 is an N pole, one end of the first magnet in the first inner embedding groove 62 in two adjacent groups in the radial direction facing the shielding case 111 is an S pole. The number of the second embedded grooves 211 in two adjacent groups on the corresponding outer driven member is also different in the radial direction, and the first magnet and the second magnet are attracted correspondingly, so that the end, facing the isolation cover 111, of the second magnet in one second embedded groove 211 in the radial direction is an S pole, and the end, facing the isolation cover 111, of the second magnet in two adjacent second embedded grooves 211 in the radial direction is an N pole. Because the N pole of the first magnet attracts the S pole of the second magnet opposite to the first magnet, and the N poles on the two sides of the second magnet are repelled, the inner driving part 6 and the outer driven part can be ensured to synchronously rotate within a certain torque range, and the working faces of the magnets of the inner driving part 6 and the outer driven part can be automatically coupled.

Preferably, a first pressure bearing 61 is arranged on one side of the center of the inner driving part 6 facing the shield, one surface of the first pressure bearing 61 facing the shield is arranged to protrude out of the inner driving part 6, a second pressure bearing 24 is arranged on one side of the center of the outer driven part facing the shield, one surface of the second pressure bearing 24 facing the shield is arranged to protrude out of the outer driven part, and the first pressure bearing 61 and the second pressure bearing 24 are arranged correspondingly. Through setting up first pressure bearing 61 and second pressure bearing 24, when making interior driving part 6 drive outer follower synchronous revolution, bear the axial force through first pressure bearing 61 and second pressure bearing 24, have certain clearance between interior driving part 6 and outer follower and the cage 111, reduce interior driving part 6 and outer follower and the cage 111 between frictional force.

Preferably, the inner driving member 6 is a circular disc and the outer driven member is a sun gear 21. The outer follower may also be a circular member connected to the sun gear 21, the rotation of which rotates the sun gear 21.

Preferably, the electric bathing brush of the present embodiment further comprises a handle 12 and a tail buckle 13, wherein the handle 12 is detachably connected to the end of the main housing 11 away from the shielding case through a magnetic attraction and a buckle 121, and the tail buckle 13 is connected to the end of the handle 12 away from the main housing 11. The latch 121 of the handle 12 is latched in the latch 115 of the main body case 11. The handle 12 is detachable from the main housing and the main housing portion can be held by a single hand for use. The tail clasp 13 can hang the electric bathing brush of the embodiment on the wall.

The power assembly 7 for providing power is further arranged in the main machine shell 11, the power assembly 7 is arranged in the main machine shell 11, the power assembly 7 comprises a motor 72 and a reduction gearbox 71, and an output shaft of the motor 72 is connected with the reduction gearbox 71. The reduction box 71 is used for carrying out reduction transmission on the motor 72 so as to enable the motor to be suitable for use requirements. The side of the center of the inner driving piece 6 departing from the isolation cover is connected to the output end of the reduction box 71.

A power supply unit and a control board are further provided inside the main body case 11, the power supply unit is connected to the motor 72, and the control board is connected to the motor 72. The power supply part provides electric energy for the power assembly, and the control panel controls the rotating speed of the power assembly. A charging port 114 is provided on an end surface of the main body case 11 at the end connected to the handle 12, and the charging port 114 is connected to a power source. A waterproof plug is provided on the charging port 114. The charging mode can also adopt a wireless mode, the control panel is connected with the coil, and the product is hung on a special fixing frame for the wall and can be charged by contacting with the coil.

The structure of the electric bathing brush not described in the present invention is the prior art.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and all such modifications and improvements are intended to be covered by the protection scope of the present invention.

Claims

1. The utility model provides an electronic bathing brush, its characterized in that, includes host computer casing (11), rotatory gear train (2) and a plurality of brush dish (5), rotatory gear train (2) set up in the head of host computer casing (11), it is a plurality of brush dish (5) set up in the outside of host computer casing (11) head, be provided with on brush dish (5) and brush head (51), rotatory gear train (2) and a plurality of brush dish (5) are connected and can be driven a plurality of brush dish (5) center on a plurality of the central point that brush dish (5) formed rotates, and can drive a plurality of brush dish (5) rotate around respective axle center.

2. An electric bathing brush according to claim 1, wherein said rotating gear set (2) comprises a ring gear (23), a central gear (21) and a plurality of side gears (22), said plurality of side gears (22) being uniformly arranged around said central gear (21) and meshing with said central gear (21), said ring gear (23) being arranged outside said plurality of side gears (22) and meshing with said plurality of side gears (22), said plurality of side gears (22) being driven by said central gear (21) to rotate between said central gear (21) and said ring gear (23), said plurality of brush discs (5) being connected to said central gear (21) and said side gears (22), respectively.

3. An electric bathing brush according to claim 2, wherein a receiving groove (113) is provided on a side of the main housing (11) facing the brush disk (5), the rotary gear set (2) is disposed in the receiving groove (113), a side cover (4) and a rotary disk (3) are disposed above the receiving groove (113), and the side cover (4) is disposed outside the rotary disk (3) and presses the periphery of the rotary disk (3) into the receiving groove (113).

4. An electric bathing brush according to claim 3, wherein a connecting shaft (25) is provided at the center of each of the central gear (21) and the side gears (22), and a plurality of through holes (31) are provided in the rotary plate (3), and each connecting shaft (25) is connected to one brush plate (5) through the through hole (31) in the rotary cover.

5. The electric bath brush of claim 1, further comprising a magnetically attractive connection assembly, an isolation cover (111) is arranged on one side of the main machine shell (11) facing the containing groove, the isolation cover (111) is hermetically connected with the host casing (11) and forms a closed accommodating space in the host casing (11), the magnetic suction connecting assembly comprises an inner driving part (6) used for connecting the power source in the main machine shell and an outer driven part used for driving the brush disc (5) outside the main machine shell to rotate, the inner driving piece (6) is arranged in the accommodating space of the host shell (11) at the inner side of the isolation cover (111), the outer driving piece is arranged in an accommodating groove (113) at the outer side of the isolation cover, magnets are arranged on the inner driving piece (6) and the outer driven piece, and the inner driving piece (6) and the outer driven piece are attracted by magnetism to synchronously rotate.

6. An electric bath brush according to claim 5, characterized in that a first inner embedding groove (62) is provided on the side of the inner driving member (6) facing the shielding case (111), a first magnet is provided in the first inner embedding groove (62), a second inner embedding groove (211) is provided on the side of the outer driven member facing the shielding case (111), the second inner embedding groove (211) is provided corresponding to the first inner embedding groove (62), a second magnet is provided in the second inner embedding groove (211), and the inner driving member (6) drives the outer driven member to rotate synchronously by the attraction of the first magnet and the second magnet.

7. An electric bath brush according to claim 6, characterized in that said first inner embedding grooves (62) and first magnets each comprise a plurality of sets, said first inner embedding grooves (62) and first magnets in the same set being disposed in the same radial direction of said inner driving member (6), said plurality of sets of first inner embedding grooves (62) being uniformly disposed around the center of said inner driving member (6), said second inner embedding grooves (211) and second magnets each comprise a plurality of sets, said second inner embedding grooves (211) and second magnets in the same set being disposed in the same radial direction of said outer driven member, said plurality of sets of second inner embedding grooves (211) being uniformly disposed around the center of said outer driven member; the adjacent two groups of first magnets face the opposite polarity of one end of the isolation cover, the adjacent two groups of second magnets face the opposite polarity of one end of the isolation cover, and the first magnets and the second magnets are arranged in a one-to-one correspondence mode.

8. An electric bathing brush according to claim 5, wherein a first pressure bearing (61) is provided at the center of the inner driving member (6) on the side facing the shielding case (111), one surface of the first pressure bearing (61) facing the shielding case (111) is protruded from the inner driving member (6), a second pressure bearing (24) is provided at the center of the outer driven member on the side facing the shielding case (111), one surface of the second pressure bearing (24) facing the shielding case (111) is protruded from the outer driven member, and the first pressure bearing (61) and the second pressure bearing (24) are correspondingly disposed.

9. An electric bath brush according to claim 5, characterised in that said inner driving member (6) is a circular disc and said outer driven member is a sun gear (21).

10. The electric bath brush according to claim 1, further comprising a handle (12) and a tail buckle (13), wherein the handle (12) is connected with one end of the main machine housing (11) far away from the shielding case (111) through a magnetic attraction and a buckle (121), and the tail buckle (13) is connected with one end of the handle (12) far away from the main machine housing (11); a power assembly (7) for providing power is further arranged in the main machine shell (11), the power assembly (7) comprises a motor (72) and a reduction gearbox (71), and an output shaft of the motor (72) is connected with the reduction gearbox (71); the power supply part and the control board are arranged in the main machine shell (11) and are connected with the motor (72).