CN113171197A

CN113171197A - Electric toothbrush with multiple cleaning modes

Info

Publication number: CN113171197A
Application number: CN202110470391.3A
Authority: CN
Inventors: 杨洪超
Original assignee: Suzhou Bangwei Cnc Machine Tool Co ltd
Current assignee: Suzhou Bangwei Cnc Machine Tool Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-07-27

Abstract

The invention discloses an electric toothbrush with multiple cleaning modes, which comprises a brush head assembly, a driving assembly, a shell assembly and a control assembly, wherein the brush head assembly is detachably connected with the shell assembly, the brush head assembly is installed at the top end of the shell assembly, and the driving assembly and the control assembly are installed inside the shell assembly. The invention automatically controls the motor through the control component, switches the rotation direction of the output shaft of the motor at high frequency, thereby simulating the action of brushing teeth up and down, conforming to the traditional correct tooth brushing mode, further better cleaning the teeth and effectively protecting the gum.

Description

Electric toothbrush with multiple cleaning modes

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with multiple cleaning modes.

Background

The electric toothbrush is invented, the brush head generates high-frequency vibration through the quick rotation or vibration of the motor core, toothpaste is instantly decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of the bristles can promote the blood circulation in the oral cavity and has a massage effect on gum tissues.

The Chinese union security network considers that, in principle, the electric toothbrush has two categories, namely rotation and vibration, and the conventional electric toothbrush on the market is contrary to the conventional correct tooth brushing mode, namely the mode of brushing teeth up and down by using the toothbrush, but the conventional electric toothbrush cannot well clean interdentium when cleaning teeth no matter in vibration or rotation.

Therefore, how to provide the electric toothbrush with a plurality of cleaning modes to solve the problems in the prior art is of great significance to the application of the electric toothbrush.

Disclosure of Invention

In view of the above, an object of the present invention is to provide an electric toothbrush with multiple cleaning modes, so as to solve the problem that the conventional electric toothbrush cannot clean gaps between teeth well when cleaning teeth regardless of vibration or rotation.

In order to achieve the above object, the present invention provides the following technical solutions.

The electric toothbrush comprises a brush head assembly, a driving assembly, a shell assembly and a control assembly, wherein the brush head assembly is detachably connected with the shell assembly, the brush head assembly is mounted at the top end of the shell assembly, the driving assembly and the control assembly are mounted in the shell assembly, the brush head assembly comprises a short handle, a brush head side shell is fixedly connected to the top end of the short handle, a rotating column is vertically and rotatably connected to the inside of the brush head side shell, the shape of the brush head side shell is semicircular, a notch is formed in one side of the brush head side shell, bristles are mounted on the outer surface of the rotating column, and the bristles protrude out of the notch.

As a preferred embodiment of the present invention, the case assembly includes a bottom cover, an inner bracket, a connection handle, and a toothbrush handle, the connection handle is installed at a top end of the toothbrush handle, the bottom cover is installed at a top end of the bottom cover, the inner bracket is installed inside the toothbrush handle, and the bottom cover is installed at a bottom end of the toothbrush handle.

As a preferred technical scheme of the invention, the driving assembly comprises a motor, a driving shaft, a transmission shaft and a transmission mechanism, the motor is mounted at the top end of the inner support, the motor is in transmission connection with the output end of the driving shaft, the transmission shaft is mounted inside the connecting handle, the bottom end of the transmission shaft is in transmission connection with a transmission gear, the top end of the driving shaft is in transmission connection with a driving gear, the driving gear is in transmission connection with the transmission gear through the transmission mechanism, and an eccentric groove is formed in the side surface of the driving shaft.

As a preferred technical scheme of the invention, the transmission mechanism comprises a sliding frame, a first gear, a connecting rod, a second gear and a locking device, the locking device is mounted on one side of the inner wall of the connecting handle, the sliding frame is connected with the locking device in a sliding manner, the tail end of the sliding frame is rotatably connected with the connecting rod, the top end and the bottom end of the connecting rod are respectively and fixedly connected with the second gear and the first gear, the first gear is meshed with the driving gear, and the second gear is meshed with the transmission gear.

As a preferred technical scheme, the locking device comprises a pressing rod, a sliding sleeve, a baffle and a spring, the sliding sleeve is connected with the pressing rod in a sliding mode, a clamping groove is fixedly connected to the middle of the pressing rod, a clamping rod is arranged on the inner wall of the sliding sleeve and connected with the clamping rod in a clamping mode, the pressing rod is fixedly connected with the baffle, and the baffle is elastically connected with the sliding sleeve through the spring.

As a preferable technical scheme of the invention, one end of the pressing rod is rotatably connected with one end of the sliding frame, and the other end of the pressing rod extends to the outer side of the connecting handle and is fixedly connected with the circular block.

As a preferable technical solution of the present invention, a connecting sleeve is fixedly connected to a bottom end of the short handle, the connecting sleeve is connected to a top end of the connecting handle in a clamping manner, a transmission rod is rotatably connected to an inside of the short handle, a top end of the transmission rod is fixedly connected to the rotating column, a first connector is fixedly connected to a bottom end of the transmission rod, a second connector is fixedly connected to a top end of the transmission rod, the second connector is connected to the first connector in a clamping manner, and an arc-shaped plate is rotatably connected to a side of the brush head side shell, which is far away from the notch.

As a preferred technical solution of the present invention, the control assembly includes a display panel, a button, and a main board, the main board is mounted on a front surface of the internal support, the front surface of the main board is loaded with the LED lamp and the switch, and both the display panel and the main board are mounted on a front surface of the housing assembly.

As a preferred technical solution of the present invention, a battery is installed on the back of the motherboard, the battery is electrically connected to the motherboard, a USB charging port is installed at the bottom end of the bottom cover, and both the motor and the USB charging port are electrically connected to the motherboard.

In a preferred embodiment of the present invention, the drive gear and the second gear have the same specification, the first gear and the transmission gear have the same specification, and the diameters of the drive gear and the second gear are smaller than the diameters of the first gear and the transmission gear.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention improves the cleaning effect by arranging the brush head component, when teeth are cleaned, the rotating column starts to rotate at the moment, so that the brush is driven to start to rotate, the rotating direction of the brush is consistent with the direction of the teeth, the motor is automatically controlled by the control component, the rotating direction of the output shaft of the motor is switched at high frequency, and the brush is continuously switched between positive rotation and negative rotation, so that the action of brushing the teeth up and down is simulated, the traditional correct tooth brushing mode is met, the teeth are better cleaned, and the gums are effectively protected.

2. The vibrating toothbrush generates vibration through the eccentric groove on the driving shaft, when teeth are cleaned, the motor drives the driving shaft to rotate, the driving shaft generates vibration when rotating at a high speed, and the vibration is transmitted to the toothbrush head assembly through the connecting handle, so that the toothbrush head can vibrate at a high frequency, the vibrating toothbrush has the advantages of a vibrating toothbrush, water flow and air bubbles are driven in an oral cavity to generate flowing cleaning force, dead corners of the oral cavity such as tooth gaps are effectively removed, and a better cleaning effect is improved.

3. The multifunctional swing type tooth brush has multiple cleaning modes for selection, can simulate swing type tooth brushing in a traditional mode, can provide vibration at the same time, and is suitable for tooth cleaning requirements in terms of cleaning effect and comfort degree under the condition of double-pipe arrangement.

The foregoing description is only an overview of the technical solutions of the present application, so that the technical means of the present application can be more clearly understood and the present application can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present application more clearly understood, the following detailed description is made with reference to the preferred embodiments of the present application and the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the structure A-A of the present invention;

FIG. 3 is a structural view of a transmission mechanism of the present invention;

FIG. 4 is a structural view of a locking device of the present invention;

FIG. 5 is a block diagram of the brush head assembly of the present invention;

FIG. 6 is an enlarged view of the invention at A;

fig. 7 is a rear view of the structure of the main plate in the present invention.

In the figure: 1. a brush head assembly; 11. a transmission rod; 12. a short handle; 13. a brushhead side shell; 14. rotating the column; 15. brushing; 16. an arc-shaped plate; 17. connecting sleeves; 18. a first connector; 2. a drive assembly; 21. a motor; 22. a drive shaft; 23. a drive shaft; 24. a transmission mechanism; 241. a carriage; 242. a first gear; 243. a connecting rod; 244. a second gear; 245. a locking device; 2451. pressing the rod; 2452. a sliding sleeve; 2453. a baffle plate; 2454. a spring; 2455. a card slot; 2456. a clamping rod; 25. an eccentric groove; 26. a drive gear; 27. a transmission gear; 28. a second connector; 3. a housing assembly; 31. a bottom cover; 32. an inner support; 33. a connecting handle; 34. a toothbrush handle; 4. a control component; 41. a display panel; 42. a button; 43. a main board; 44. an LED lamp; 45. a switch; 46. a USB charging port; 47. a battery.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

Further, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "at least one" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, at least one of a and B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion

Referring to fig. 1-7, the present invention provides a technical solution of an electric toothbrush with a plurality of cleaning modes: the toothbrush comprises a toothbrush head component 1, a driving component 2, a shell component 3 and a control component 4, wherein the toothbrush head component 1 is detachably connected with the shell component 3, the toothbrush head component 1 is installed at the top end of the shell component 3, the driving component 2 and the control component 4 are installed inside the shell component 3, the toothbrush head component 1 comprises a short handle 12, the top end of the short handle 12 is fixedly connected with a toothbrush head side shell 13, a rotating column 14 is vertically and rotatably connected inside the toothbrush head side shell 13, the toothbrush head side shell 13 is semicircular in shape, a notch is formed in one side of the toothbrush head side shell 13, bristles 15 are installed on the outer surface of the rotating column 14, the bristles 15 protrude out of the notch, when teeth are brushed, the protruded part of the bristles 15 at the moment contacts with the teeth, under the driving of the driving component 2, the rotating column 14 drives the bristles 15 to rotate, the bristles 15 can effectively clean the slits between the teeth, the toothbrush head side shell 13 can prevent the bristles 15 from contacting with the tongue, the use is more comfortable.

Referring to fig. 2, the housing assembly 3 includes a bottom cover 31, an inner bracket 32, a connection handle 33 and a toothbrush handle 34, the connection handle 33 is installed at the top end of the toothbrush handle 34, the bottom cover 31 is installed at the top end of the bottom cover 31, the inner bracket 32 is installed inside the toothbrush handle 34, the bottom cover 31 is installed at the bottom end of the toothbrush handle 34, and the bottom cover 31 can be opened to facilitate maintenance of the toothbrush.

Referring to fig. 2 and fig. 3, the driving assembly 2 includes a motor 21, a driving shaft 22, a transmission shaft 23 and a transmission mechanism 24, the motor 21 is mounted at the top end of the inner support 32, the motor 21 is in transmission connection with the output end of the driving shaft 22, the transmission shaft 23 is mounted inside the connecting handle 33, the bottom end of the transmission shaft 23 is in transmission connection with a transmission gear 27, the top end of the driving shaft 22 is in transmission connection with a driving gear 26, the driving gear 26 is in transmission connection with the transmission gear 27 through the transmission mechanism 24, the side surface of the driving shaft 22 is provided with an eccentric groove 25, when in use, the motor 21 drives the driving shaft 22 to rotate, and the driving shaft 22 drives the transmission shaft 23 to rotate through the transmission mechanism 24.

Referring to fig. 3, the transmission mechanism 24 includes a sliding frame 241, a first gear 242, a connecting rod 243, a second gear 244 and a locking device 245, the locking device 245 is installed at one side of the inner wall of the connecting handle 33, the sliding frame 241 is slidably connected with the locking device 245, the connecting rod 243 is rotatably connected to the end of the sliding frame 241, the second gear 244 and the first gear 242 are fixedly connected to the top end and the bottom end of the connecting rod 243, respectively, the first gear 242 is engaged with the driving gear 26, the second gear 244 is engaged with the transmission gear 27, when the locking device 245 is unlocked, the driving gear 26 drives the first gear 242 to rotate, the first gear 242 drives the second gear 244 to rotate through the connecting rod 243, the second gear 244 drives the transmission gear 27 to rotate, the transmission is thus achieved, when the locking device 245 is locked, the first gear 242 is no longer in meshing connection with the drive gear 26 and the second gear 244 is no longer in meshing connection with the transmission gear 27.

Further, the specifications of the driving gear 26 and the second gear 244 are the same, the specifications of the first gear 242 and the transmission gear 27 are the same, the diameters of the driving gear 26 and the second gear 244 are smaller than the diameters of the first gear 242 and the transmission gear 27, when the driving gear 26 is transmitted to the first gear 242 in use, the rotating speed is reduced at the moment, the first gear 242 drives the second gear 244 to rotate through the connecting rod 243, the constant-speed transmission is achieved at the moment, then the second gear 244 drives the transmission gear 27 to rotate, the rotating speed is continuously reduced at the moment, the rotating speed of the transmission shaft 23 is lower than that of the driving shaft 22, the high-frequency vibration is provided, meanwhile, the rotating speed of the bristles 15 is prevented from being too fast, and the brushing is more comfortable.

Referring to fig. 4, the locking device 245 includes a pressing rod 2451, a sliding sleeve 2452, a baffle 2453 and a spring 2454, the sliding sleeve 2452 is slidably connected with the pressing rod 2451, a slot 2455 is fixedly connected to the middle of the pressing rod 2451, a clamping rod 2456 is disposed on the inner wall of the sliding sleeve 2452, the slot 2455 is connected with the clamping rod 2456 in a clamping manner, the pressing rod 2451 is fixedly connected with the baffle 2453, the baffle 2453 is elastically connected with the sliding sleeve 2452 through the spring 2454, one end of the pressing rod 2451 is rotatably connected with one end of the sliding frame 241, and the other end of the pressing rod 2451 extends to the outer side of the connecting handle 33 and is fixedly connected with a circular block. When the locking device 245 is used, when the round block is pressed down, the pressing rod 2451 is pushed to the right side, so that the sliding frame 241 moves to the right, the clamping groove 2455 is connected with the clamping rod 2456 in a clamping mode, when the round block is pressed down again, the clamping groove 2455 is not clamped with the clamping rod 2456 any more, and the spring 2454 drives the pressing rod 2451 to move to the left side through the baffle 2453.

Referring to fig. 5 and 6, the bottom end of the short handle 12 is fixedly connected with a connecting sleeve 17, the connecting sleeve 17 is connected with the top end of the connecting handle 33 in a clamping manner, for facilitating the replacement of the brush head assembly 1, the inside of the short handle 12 is rotatably connected with a transmission rod 11, the top end of the transmission rod 11 is fixedly connected with a rotating column 14, the bottom end of the transmission rod 11 is fixedly connected with a first connector 18, the top end of the transmission shaft 23 is fixedly connected with a second connector 28, the second connector 28 is connected with the first connector 18 in a clamping manner, so that the transmission shaft 23 and the transmission rod 11 are driven, the side of the brush head side shell 13 far away from the gap is rotatably connected with an arc-shaped plate 16, when the toothpaste is squeezed to the brush 15, the arc-shaped plate 16 is opened, the toothpaste is squeezed inwards, then the arc-shaped plate 16 is closed, after the toothbrush is started, the brush 15 vibrates, thereby decomposing the toothpaste into fine bubbles and then rotating the bristles 15, which causes the bubbles to clean the teeth as the bristles 15 rotate.

Referring to fig. 7 in conjunction with fig. 2, the control assembly 4 includes a display panel 41, a button 42, and a main board 43, the main board 43 is mounted on the front surface of the inner bracket 32, the front surface of the main board 43 carries an LED lamp 44 and a switch 45, the display panel 41 and the main board 43 are both mounted on the front surface of the housing assembly 3, the LED lamp 44 is used for displaying electric quantity, and the main board 43 is used for adjusting the rotation speed and the rotation direction of the output shaft of the motor 21.

Furthermore, a battery 47 is installed on the back of the main board 43, the battery 47 is electrically connected with the main board 43, a USB charging port 46 is installed at the bottom end of the bottom cover 31, the motor 21 and the USB charging port 46 are both electrically connected with the main board 43 and used for charging the battery 47, a control chip is installed on the main board 43 and can control the rotating speed and the rotating direction of the motor 21, when the toothbrush is used, the rotating direction of the output shaft of the motor 21 is switched at high frequency, and the control chip is installed on the main board to control the speed of the switching direction and the rotating speed of the motor 21, so that the toothbrush can be switched among multiple tooth brushing modes.

When the electric toothbrush with multiple cleaning modes is used, when toothpaste is squeezed to the bristles 15, the arc-shaped plate 16 is opened, the toothpaste is squeezed inwards, the arc-shaped plate 16 is closed, the circular block is pressed, the pressing rod 2451 is pushed rightwards, the sliding frame 241 moves rightwards, the clamping groove 2455 is connected with the clamping rod 2456 in a clamping mode, the locking device 245 locks the first gear 242 and the driving gear 26 to be not meshed any more at the moment, the second gear 244 and the driving gear 27 are not meshed any more at the moment, the toothbrush is started by pressing the button 42, the motor 21 is started, the motor 21 drives the driving shaft 22 to rotate, the driving shaft 22 vibrates at the moment, the vibration is transmitted to the brush head assembly 1 through the connecting handle 33, the bristles 15 vibrate to decompose the toothpaste into fine foam, then the circular block is pressed again, the clamping groove 5 is not clamped with the clamping rod 2456 at the moment, the spring 2454 drives the pressing rod 2451 to move leftwards through the baffle plate 33, at this time, the first gear 242 is meshed with the driving gear 26, the second gear 244 is meshed with the transmission gear 27, when the locking device 245 is unlocked, the driving gear 26 drives the first gear 242 to rotate, the first gear 242 drives the second gear 244 to rotate through the connecting rod 243, the second gear 244 drives the transmission gear 27 to rotate, transmission is achieved, the bristles 15 smear decomposed foam on the surfaces of teeth, the bristles 15 continuously brush the teeth to clean the teeth, the rotating direction of the output shaft of the motor 21 is switched in a high frequency mode, and therefore the bristles 15 can simulate up-down tooth brushing.

The above description is only a preferred embodiment of the present invention, and it is not intended to limit the scope of the present invention, and various modifications and changes may be made by those skilled in the art. Variations, modifications, substitutions, integrations and parameter changes of the embodiments may be made without departing from the principle and spirit of the invention, which may be within the spirit and principle of the invention, by conventional substitution or may realize the same function.

Claims

1. An electric toothbrush having multiple cleaning modes, characterized by: the novel toothbrush comprises a toothbrush head assembly (1), a driving assembly (2), a shell assembly (3) and a control assembly (4), wherein the toothbrush head assembly (1) is detachably connected with the shell assembly (3), the toothbrush head assembly (1) is installed at the top end of the shell assembly (3), the driving assembly (2) and the control assembly (4) are installed inside the shell assembly (3), the toothbrush head assembly (1) comprises a short handle (12), a toothbrush head side shell (13) is fixedly connected to the top end of the short handle (12), a rotating column (14) is vertically and rotatably connected to the inside of the toothbrush head side shell (13), the toothbrush head side shell (13) is semicircular in shape, a notch is formed in one side of the toothbrush head side shell (13), bristles (15) are installed on the outer surface of the rotating column (14), and the bristles (15) protrude out of the notch.

2. An electric toothbrush having multiple cleaning modes according to claim 1, wherein: the shell assembly (3) comprises a bottom cover (31), an inner support (32), a connecting handle (33) and a toothbrush handle (34), the connecting handle (33) is installed at the top end of the toothbrush handle (34), the bottom cover (31) is installed at the top end of the bottom cover (31), the inner support (32) is installed inside the toothbrush handle (34), and the bottom cover (31) is installed at the bottom end of the toothbrush handle (34).

3. An electric toothbrush having multiple cleaning modes according to claim 2, wherein: the driving assembly (2) comprises a motor (21), a driving shaft (22), a transmission shaft (23) and a transmission mechanism (24), the motor (21) is installed at the top end of an inner support (32), the motor (21) is in transmission connection with the output end of the driving shaft (22), the transmission shaft (23) is installed inside a connecting handle (33), the bottom end of the transmission shaft (23) is in transmission connection with a transmission gear (27), the top end of the driving shaft (22) is in transmission connection with a driving gear (26), the driving gear (26) is in transmission connection with the transmission gear (27) through the transmission mechanism (24), and an eccentric groove (25) is formed in the side face of the driving shaft (22).

4. An electric toothbrush having multiple cleaning modes according to claim 3, wherein: drive mechanism (24) include carriage (241), first gear (242), connecting rod (243), second gear (244) and locking device (245), one side in connection handle (33) inner wall is installed in locking device (245), carriage (241) and locking device (245) sliding connection, the end of carriage (241) is rotated and is connected with connecting rod (243), the top and the bottom of connecting rod (243) are fixedly connected with second gear (244) and first gear (242) respectively, first gear (242) are connected with drive gear (26) meshing, second gear (244) are connected with drive gear (27) meshing.

5. An electric toothbrush having multiple cleaning modes according to claim 4, wherein: locking device (245) are including pushing pole (2451), sliding sleeve (2452), baffle (2453) and spring (2454), sliding sleeve (2452) and pushing pole (2451) sliding connection, the middle part fixedly connected with draw-in groove (2455) of pushing pole (2451), kelly (2456) have been seted up to the inner wall of sliding sleeve (2452), draw-in groove (2455) and kelly (2456) block are connected, push pole (2451) fixedly connected with baffle (2453), through spring (2454) elastic connection between baffle (2453) and sliding sleeve (2452).

6. An electric toothbrush having multiple cleaning modes according to claim 5, wherein: one end of the pressing rod (2451) is rotatably connected with one end of the sliding frame (241), and the other end of the pressing rod (2451) extends to the outer side of the connecting handle (33) and is fixedly connected with a circular block.

7. An electric toothbrush having multiple cleaning modes according to claim 1, wherein: the connecting sleeve (17) is fixedly connected to the bottom end of the short handle (12), the connecting sleeve (17) is connected with the top end of the connecting handle (33) in a clamping mode, a transmission rod (11) is connected to the inside of the short handle (12) in a rotating mode, the top end of the transmission rod (11) is fixedly connected with the rotating column (14), a first connector (18) is fixedly connected to the bottom end of the transmission rod (11), a second connector (28) is fixedly connected to the top end of the transmission shaft (23), the second connector (28) is connected with the first connector (18) in a clamping mode, and an arc-shaped plate (16) is connected to one side, far away from the notch, of the brush head side shell (13) in a rotating mode.

8. An electric toothbrush having multiple cleaning modes according to claim 1, wherein: the control assembly (4) comprises a display panel (41), buttons (42) and a main board (43), the main board (43) is mounted on the front face of the inner support (32), the front face of the main board (43) is loaded with LED lamps (44) and switches (45), and the display panel (41) and the main board (43) are mounted on the front face of the shell assembly (3).

9. An electric toothbrush having multiple cleaning modes according to claim 3 or 8, wherein: the back side of mainboard (43) installs battery (47), battery (47) and mainboard (43) electric connection, USB charges mouthful (46) is installed to the bottom of bottom (31), motor (21) and USB charge mouthful (46) all with mainboard (43) electric connection.

10. An electric toothbrush having multiple cleaning modes according to claim 4, wherein: the driving gear (26) and the second gear (244) are the same in specification, the first gear (242) and the transmission gear (27) are the same in specification, and the diameters of the driving gear (26) and the second gear (244) are smaller than those of the first gear (242) and the transmission gear (27).