CN116849860A

CN116849860A - Electric toothbrush with double working modes and control method

Info

Publication number: CN116849860A
Application number: CN202310965663.6A
Authority: CN
Inventors: 林文友
Original assignee: Shenzhen Minggang New Material Technology Co ltd
Current assignee: Shenzhen Minggang New Material Technology Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2023-10-10

Abstract

The application belongs to the technical field of electric toothbrushes, and particularly relates to an electric toothbrush with a double-working mode and a control method thereof, wherein the electric toothbrush comprises a toothbrush main body and a brush head connected with the toothbrush main body, and the toothbrush main body comprises: a control device; the motor is electrically connected with the control device and is provided with an output shaft extending along the central axis of the toothbrush main body, the output shaft is provided with a first end and a second end which are arranged back to each other, and the first end of the output shaft extends out of the toothbrush main body and is connected with the brush head; the swinging device comprises a swinging piece and an electromagnetic assembly, the swinging piece is in interference fit with the second end of the output shaft, the projection of the swinging piece along the central axis direction of the toothbrush main body is staggered with the electromagnetic assembly, the electromagnetic assembly is positioned at one side of the swinging piece, and the electromagnetic assembly is provided with two parts and is respectively and electrically connected with the control device; the electric toothbrush responds to different operation instructions through the control device and is electrified to the motor or the swinging device respectively, so that two different working states are realized, and the tooth brushing modes of the electric toothbrush can be enriched.

Description

Electric toothbrush with double working modes and control method

Technical Field

The application relates to the technical field of electric toothbrushes, in particular to an electric toothbrush with a double-working mode and a control method.

Background

In recent years, with the improvement of the living standard of people, the problem of oral hygiene is getting more and more attention. The electric toothbrush is widely accepted by people as a substitute of a common toothbrush, and has the advantages of high cleaning efficiency, controllable cleaning force and the like.

In the related art, the electric toothbrush is generally an acoustic vibration type electric toothbrush or a swing type electric toothbrush, and when a user brushes with the acoustic vibration type electric toothbrush or the swing type electric toothbrush, the user can only brush with the corresponding operation mode of the toothbrush, that is, can only brush with vibration type or swing type, and the brushing mode is quite single.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In view of at least one of the above technical problems, the present application provides an electric toothbrush with dual modes of operation and a control method thereof, which solve the problem that the electric toothbrush in the related art can only perform vibrating type brushing or swinging type brushing singly, and the brushing mode is quite single.

In a first aspect of embodiments of the present application, there is provided an electric toothbrush having a dual operation mode, comprising a toothbrush body and a brush head connected to the toothbrush body, the toothbrush body comprising:

a control device;

the motor is electrically connected with the control device and is provided with an output shaft extending along the central axis of the toothbrush main body, the output shaft is provided with a first end and a second end which are arranged back to each other, and the first end of the output shaft extends out of the toothbrush main body and is connected with the brush head;

the swinging device comprises a swinging piece and an electromagnetic assembly, the swinging piece is in interference fit with the second end of the output shaft, the projection of the swinging piece along the central axis direction of the toothbrush main body is staggered with the electromagnetic assembly, the electromagnetic assembly is positioned at one side of the swinging piece, and the electromagnetic assembly is provided with two parts and is respectively and electrically connected with the control device;

the toothbrush body is configured to:

in response to one of the plurality of operation instructions, the control device energizes the motor to vibrate the output shaft;

in response to another of the plurality of operation instructions, the control device sequentially energizes the two electromagnetic assemblies, and the swinging members reciprocally engage with the two electromagnetic assemblies, respectively, to swing the output shaft.

The application has the following technical effects: the electric toothbrush responds to different operation instructions through the control device and is electrified to the motor or the swinging device respectively, so that two different working states are realized, and the tooth brushing modes of the electric toothbrush can be enriched.

In some possible implementations, the swinging device includes a supporting seat, the electromagnetic assembly is mounted on the supporting seat, the swinging member is located at one side of the supporting seat, and a gap is formed between the swinging member and the supporting seat.

In the embodiment of the application, the supporting seat is used for supporting the electromagnetic assembly, and meanwhile, the electromagnetic assembly is connected with the supporting seat, so that the connection stability between the electromagnetic assembly and the supporting seat is improved. And a gap is formed between the swinging piece and the supporting seat, namely, the swinging piece is not contacted with the supporting seat, and friction force is not generated between the swinging piece and the supporting seat, so that the supporting seat cannot interfere with the swinging piece.

In some possible implementations, the surface of the supporting seat facing away from the swinging member is provided with a plug post in plug-in fit with the control device, and the supporting seat is provided with a foolproof groove in a penetrating manner, and the projection of the swinging member along the central axis direction of the toothbrush main body is staggered with the foolproof groove.

In the embodiment of the application, the supporting seat is in plug-in fit with the control device through the plug-in column, so that the stability and reliability of the connection between the supporting seat and the control device are improved. The fool-proof groove on the supporting seat is matched with the convex block on the mounting bracket of the motor in an inserting way, so that the supporting seat is positioned quickly, and the supporting seat can be prevented from shaking in the swinging process of the swinging piece. The projection of the swinging piece along the central axis direction of the toothbrush main body is staggered with the fool-proof groove, so that the swinging piece can be ensured not to be interfered, and the swinging piece can swing smoothly.

In some possible implementations, the swinging member includes a connecting portion and a swinging portion that are connected, the connecting portion is in interference fit with the second end of the output shaft, the swinging portion has a first contact surface and a second contact surface, the first contact surface and the second contact surface are respectively connected with the connecting portion, at least part of the first contact surface is disposed opposite to one electromagnetic component, and at least part of the second contact surface is disposed opposite to the other electromagnetic component.

In the embodiment of the application, the swinging piece is provided with magnetism, the swinging piece is respectively matched with the two electromagnetic assemblies, and after the electromagnetic assemblies are electrified to generate magnetic fields, the swinging piece is respectively in magnetic attraction fit with the electromagnetic assemblies, so that the swinging piece swings clockwise and anticlockwise in a reciprocating manner, and the output end is synchronously driven to swing in the process. Through the interference fit of the connecting portion and the second end of the output shaft, the connection stability between the swinging piece and the output shaft is improved.

In some possible implementations, the angle formed between the first contact surface and the second contact surface is an obtuse angle.

In the embodiment of the application, the included angle formed between the first contact surface and the second contact surface is an obtuse angle, so that the surface area of the swinging part can be further increased, the mass of the swinging part can be further increased, and the inertia of the swinging part is larger during swinging, and the swinging amplitude can be larger.

In some possible implementations, the electromagnetic assembly includes a housing, a coil, an iron core, and a contact, the housing is located on one side of the swing member, the coil is disposed inside the housing, the coil is electrically connected to the control device, the iron core is movably disposed inside the coil along a length direction of the housing, the contact is connected to the iron core, at least a portion of the contact extends out of the housing, and the contact is disposed opposite to the swing member.

In the embodiment of the application, the coil, the iron core and the contact piece are matched to attract the swinging piece to rotate towards one side of the electrified electromagnetic assembly, so that the swinging piece can realize reciprocating swinging under the matching of the two electromagnetic assemblies. Meanwhile, the iron core is connected with the contact piece, and the iron core is movably arranged on the inner side of the coil, so that the effect of buffering the swinging piece can be achieved, and the swinging piece is prevented from being directly collided with the electromagnetic assembly.

In some possible implementations, the electromagnetic assembly further includes a sleeve inserted inside the housing, the coil is sleeved on the periphery of the sleeve, and the core is movably disposed in the sleeve.

In the embodiment of the application, the sleeve is used for stabilizing the coil on one hand and stabilizing the position of the coil inside the shell, and on the other hand, the sleeve is used for providing a placing space for the iron core and is beneficial to the movement of the iron core inside the sleeve.

In some possible implementations, the electromagnetic assembly further includes a first elastic member disposed inside the sleeve, one end of the first elastic member abuts against the housing, and the other end of the first elastic member abuts against the core.

In the embodiment of the application, after the swinging piece is contacted with the contact piece through the first elastic piece, the swinging piece is buffered, and the iron core can be reset after the control device is powered off, so that the swinging piece is pushed, and the swinging amplitude is improved.

In some possible implementations, the swinging device further includes a connection mechanism, where the connection mechanism includes a locking ring, a locking bead, a second elastic member, and a sealing sleeve, where the locking bead is accommodated at the periphery of the second end of the output shaft, the locking ring is movably sleeved on the second end of the output shaft, the locking ring is abutted with the locking bead, one end of the second elastic member is abutted with the swinging member, the other end of the second elastic member is abutted with the locking ring, and the sealing sleeve is sleeved on the output shaft and abutted with the locking ring.

In the embodiment of the application, the connecting mechanism is arranged at the periphery of the second end of the output shaft, and the second elastic piece in the connecting mechanism is abutted against the swinging piece, so that the swinging piece is prevented from being separated from the output shaft in the vibration or swinging working mode of the electric toothbrush, and the connection stability between the swinging piece and the output shaft is effectively improved.

In a second aspect of the embodiments of the present application, there is provided a control method of an electric toothbrush, including:

The application will be further described with reference to the drawings and examples.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly explain the embodiments or the drawings needed in the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present application and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of an electric toothbrush according to an embodiment of the present application;

FIG. 2 is a top view of a wobble device according to an embodiment of the application;

FIG. 3 is a first block diagram of a wobble device according to an embodiment of the application;

fig. 4 is a second structural view of the swing device according to the embodiment of the present application;

FIG. 5 is a block diagram of an electromagnetic assembly according to an embodiment of the present application;

FIG. 6 is an exploded view of the electromagnetic assembly shown in an embodiment of the present application;

FIG. 7 is an internal block diagram of an electromagnetic assembly according to an embodiment of the present application;

FIG. 8 is an internal structural view of the connection mechanism shown in an embodiment of the present application;

FIG. 9 is a flow chart of a control method according to an embodiment of the present application;

wherein, the reference numerals are as follows:

100. a control device;

200. a motor; 210. an output shaft;

300. a swinging device; 310. a swinging member; 320. an electromagnetic assembly; 330. a support base; 340. a connecting mechanism;

311. a connection part; 312. a swinging part; 3121. a first contact surface; 3122. a second contact surface;

321. a housing; 322. a coil; 323. an iron core; 324. a contact; 325. a sleeve; 326. a first elastic member;

331. inserting a column; 332. a fool-proof groove;

341. a locking ring; 342. locking the beads; 343. a second elastic member; 344. sealing sleeve;

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

In the related art, the electric toothbrush is generally an acoustic vibration type electric toothbrush or a swing type electric toothbrush, and when a user brushes with the acoustic vibration type electric toothbrush or the swing type electric toothbrush, the user can only brush with the corresponding operation mode of the toothbrush, that is, can only brush with vibration type or swing type, and the brushing mode is quite single. The electric toothbrush responds to different operation instructions through the control device and is electrified to the motor or the swinging device respectively, so that two different working states are realized, and the tooth brushing modes of the electric toothbrush can be enriched.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, fig. 1 is a block diagram of an electric toothbrush according to an embodiment of the present application; FIG. 2 is a top view of a wobble device according to an embodiment of the application; FIG. 3 is a first block diagram of a wobble device according to an embodiment of the application; fig. 4 is a second structural view of the swing device according to the embodiment of the present application; FIG. 5 is a block diagram of an electromagnetic assembly according to an embodiment of the present application;

FIG. 6 is an exploded view of the electromagnetic assembly shown in an embodiment of the present application; FIG. 7 is an internal block diagram of an electromagnetic assembly according to an embodiment of the present application; FIG. 8 is an internal structural view of the connection mechanism shown in an embodiment of the present application; fig. 9 is a flowchart of a control method shown in an embodiment of the present application.

In a first aspect of embodiments of the present application, there is provided an electric toothbrush having a dual operation mode, comprising a toothbrush body and a brush head connected to the toothbrush body, the toothbrush body comprising a handle housing, a control device 100, a motor 200, a swing device 300, a power supply device, and a charging device. Wherein, controlling means 100, motor 200, pendulous device 300, power supply unit and charging device all set up inside the brush holder casing, controlling means 100 can include control panel and the support frame of fixed control panel, and control panel is last to integrate has control circuit, is provided with the button on control panel, and the button stretches out from the brush holder casing, and control panel respectively with motor 200, electromagnetic assembly 320, power supply unit and charging device electric connection. The power supply device is used for supplying power to the motor 200 and the swinging device 300, and the power supply device may include a rechargeable battery. The charging device is electrically connected to the power supply device and is used for charging the power supply device, and the charging device may include a charging coil 322. The specific structure and operation principle of the control device 100, the power supply device, and the charging device are well known to those skilled in the art, and are not described herein.

The specific structure of the electric toothbrush will be described in detail below.

A control device 100; the motor 200 is electrically connected with the control device 100, the motor 200 is provided with an output shaft 210 extending along the central axis of the toothbrush body, the output shaft 210 is provided with a first end and a second end which are arranged back to each other, and the first end of the output shaft 210 extends out of the toothbrush body and is connected with the brush head; the swinging device 300 comprises a swinging piece 310 and an electromagnetic component 320, the swinging piece 310 is in interference fit with the second end of the output shaft 210, the projection of the swinging piece 310 along the central axis direction of the toothbrush main body is staggered with the electromagnetic component 320, the electromagnetic component 320 is positioned at one side of the swinging piece 310, and the electromagnetic component 320 is provided with two parts and is respectively electrically connected with the control device 100;

the toothbrush body is configured to: in response to one of the plurality of operation instructions, the control device 100 energizes the motor 200 to vibrate the output shaft 210; in response to another one of the plurality of operation instructions, the control device 100 sequentially energizes the two electromagnetic assemblies 320, and the swinging member 310 reciprocally engages with the two electromagnetic assemblies 320, respectively, to swing the output shaft 210.

In this example, referring to fig. 1, the present electric toothbrush has two modes of operation, one vibration mode of operation and the other swing mode of operation, wherein the operating instructions may include pressing a button on the control device 100 once, pressing a button on the control device 100 twice, and pressing a button on the control device 100 three or more times. When the electric toothbrush is switched to the vibration mode, for example, a button on the control device 100 is pressed once, the control device 100 energizes the motor 200 to vibrate the output shaft 210, thereby driving the brush head to vibrate. When the electric toothbrush is switched to the swing mode, for example, a button on the control device 100 is pressed twice, the control device 100 sequentially energizes the two electromagnetic assemblies 320, and the swinging member 310 is respectively and reciprocally attracted with the two electromagnetic assemblies 320, so that the output shaft 210 swings, and the brush head is further driven to swing.

In the production stage, the current passing through the electromagnetic assembly 320 can be set on the control panel of the control device 100, so that magnetic field forces with different magnitudes can be generated according to the magnitude of the current, and the swing amplitude of the swing piece 310 can be controlled. For example, the current through the electromagnetic component 320 may include a first current and a second current, the second current having a current value greater than the first current.

For example, when a button on the control device 100 is pressed twice, the control device 100 sequentially energizes the two electromagnetic assemblies 320, the current flowing into each electromagnetic assembly 320 is the first current, and the swinging member 310 is respectively and reciprocally attracted to the two electromagnetic assemblies 320, so that the output shaft 210 swings, and further the brush head is driven to swing. For example, when a button on the control device 100 is pressed three times, the control device 100 sequentially energizes the two electromagnetic assemblies 320, the current flowing into each electromagnetic assembly 320 is the second current, and the swinging member 310 is respectively and reciprocally attracted to the two electromagnetic assemblies 320, so that the output shaft 210 swings, and the brush head is further driven to swing.

The wobble frequency of the wobble member 310 corresponding to the first current is smaller than the wobble frequency of the wobble member 310 corresponding to the second current.

The swinging member 310 is a magnetically conductive material.

In some embodiments, the swinging device 300 includes a supporting seat 330, the electromagnetic component 320 is mounted on the supporting seat 330, the swinging member 310 is located on one side of the supporting seat 330, and a gap is formed between the swinging member 310 and the supporting seat 330. The surface of the supporting seat 330 facing away from the swinging member 310 is provided with a plug-in post 331 which is in plug-in fit with the control device 100, the supporting seat 330 is provided with a foolproof groove 332 in a penetrating manner, and the projection of the swinging member 310 along the central axis direction of the toothbrush main body is staggered with the foolproof groove 332.

Referring to fig. 2 to 4, the support base 330 has a disc-shaped structure, the insert 331 and the support base 330 are integrally formed, and the insert 331 is located at a central axis of the support base 330, so that when the insert 331 is inserted into the control device 100, the support base 330 can be kept to be balanced inside the toothbrush body. In addition, the two electromagnetic assemblies 320 are symmetrically distributed on two sides of the central axis of the supporting seat 330, so as to keep the supporting seat 330 balanced.

With continued reference to fig. 2-4, the fool-proof slot 332 is adjacent to the electromagnetic assembly 320, and the length direction of the fool-proof slot 332 is parallel to the length direction of the electromagnetic assembly 320, such that the protrusion on the mounting bracket of the motor 200 is not interfered with to be inserted into the fool-proof slot 332.

In some embodiments, the swinging member 310 includes a connecting portion 311 and a swinging portion 312, the connecting portion 311 is in interference fit with the second end of the output shaft 210, the swinging portion 312 has a first contact surface 3121 and a second contact surface 3122, the first contact surface 3121 and the second contact surface 3122 are respectively connected with the connecting portion 311, at least part of the first contact surface 3121 is disposed opposite to one electromagnetic assembly 320, and at least part of the second contact surface 3122 is disposed opposite to the other electromagnetic assembly 320. The angle formed between the first contact surface 3121 and the second contact surface 3122 is an obtuse angle.

Referring to fig. 2 and 3, the included angle between the first contact surface 3121 and the second contact surface 3122 is an obtuse angle, and the first contact surface 3121 is opposite to one electromagnetic assembly 320, and the second contact surface 3122 is opposite to the other electromagnetic assembly 320, so that the swing member 310 can obtain a maximum moving path, and the swing range of the swing member 310 is larger.

In some embodiments, the electromagnetic assembly 320 includes a housing 321, a coil 322, an iron core 323, and a contact 324, the housing 321 is located at one side of the swinging member 310, the coil 322 is disposed inside the housing 321, the coil 322 is electrically connected to the control device 100, the iron core 323 is movably disposed inside the coil 322 along a length direction of the housing 321, the contact 324 is connected to the iron core 323, at least part of the contact 324 extends out of the housing 321, and the contact 324 is disposed opposite to the swinging member 310.

Electromagnetic assembly 320 further includes a sleeve 325, sleeve 325 is inserted into housing 321, coil 322 is sleeved on the periphery of sleeve 325, and iron core 323 is movably disposed in sleeve 325.

The electromagnetic assembly 320 further includes a first elastic member 326, wherein the first elastic member 326 is disposed inside the sleeve 325, one end of the first elastic member 326 abuts against the casing 321, and the other end of the first elastic member 326 abuts against the core 323.

Referring to fig. 5-7, the contact 324 is an insulating device.

Referring to fig. 5 to 7, the following description describes the working principle of the single electromagnetic assembly 320, the control device 100 supplies power to the coil 322 to generate a magnetic field, and attracts the swinging member 310 to move toward the electromagnetic assembly 320 on the powered side, where the swinging member 310 comes into contact with the contact member 324, and pushes the iron core 323 to move toward the first elastic member 326, so as to gradually compress the first elastic member 326. When the control device 100 energizes the coil 322 in the other electromagnetic component 320, the electromagnetic component 320 at one side, which is not energized, does not generate a magnetic field due to the power failure, so that the swinging member 310 is not attracted any more, at this time, the compressed first elastic member 326 gives an elastic force to the iron core 323, so that the iron core 323 and the contact member 324 are reset, and further the swinging member 310 is pushed to move toward the electromagnetic component 320 at the other side, and at the same time, the swinging member 310 is attracted by the electromagnetic component 320 at the other side, which is just energized, and then the above-mentioned process is repeated.

In some embodiments, the swinging device 300 further includes a connection mechanism 340, where the connection mechanism 340 includes a locking ring 341, a locking bead 342, a second elastic member 343 and a sealing sleeve 344, the locking bead 342 is accommodated in the outer periphery of the second end of the output shaft 210, the locking ring 341 is movably sleeved on the second end of the output shaft 210, the locking ring 341 is abutted with the locking bead 342, one end of the second elastic member 343 is abutted with the swinging member 310, the other end of the second elastic member 343 is abutted with the locking ring 341, and the sealing sleeve 344 is sleeved on the output shaft 210 and is abutted with the locking ring 341.

Referring to fig. 8, in actual assembly, first, the swinging member 310 is sleeved on the output shaft 210, so that the swinging member 310 is in interference fit with the output shaft 210. Furthermore, the second elastic member 343 and the locking ring 341 are sequentially sleeved on the output shaft 210, and then the locking ring 341 is pushed towards the swinging member 310, at this time, the second elastic member 343 is compressed, the groove on the output shaft 210 is exposed, and the locking bead 342 is placed on the groove of the output shaft 210. The locking ring 341 is pulled towards the direction opposite to the swinging member 310, so that the inner wall of the groove on the locking ring 341 abuts against the outer circumferential surface of the locking bead 342, the locking ring 341 presses the locking bead 342 on the output shaft 210, at this time, the second elastic member 343 is in an extended state, and two ends of the second elastic member abut against the locking ring 341 and the swinging member 310 respectively. Finally, the sealing sleeve 344 is sleeved on the output shaft 210 and is abutted against the locking ring 341. Thus, with the above structure, the degree of freedom of the oscillating member 310 in the axial direction of the output shaft 210 is effectively restricted, and the oscillating member 310 is effectively prevented from coming out of the output shaft 210.

step S1: in response to one of the plurality of operation instructions, the control device 100 energizes the motor 200 to vibrate the output shaft 210;

step S2: in response to another one of the plurality of operation instructions, the control device 100 sequentially energizes the two electromagnetic assemblies 320, and the swinging member 310 reciprocally engages with the two electromagnetic assemblies 320, respectively, to swing the output shaft 210.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above is merely a preferred embodiment of the present application, and is not intended to limit the present application in any way. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present application or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present application. Therefore, all equivalent changes according to the shape, structure and principle of the present application are covered in the protection scope of the present application.

Claims

1. An electric toothbrush having a dual operation mode, comprising a toothbrush body and a brush head connected to the toothbrush body, wherein the toothbrush body comprises:

a control device;

the motor is electrically connected with the control device, the motor is provided with an output shaft extending along the central axis of the toothbrush main body, the output shaft is provided with a first end and a second end which are arranged back to each other, and the first end of the output shaft extends out of the toothbrush main body and is connected with the brush head;

the swinging device comprises a swinging piece and an electromagnetic assembly, the swinging piece is in interference fit with the second end of the output shaft, the projection of the swinging piece along the central axis direction of the toothbrush main body is staggered with the electromagnetic assembly, the electromagnetic assembly is positioned on one side of the swinging piece, and the electromagnetic assembly is provided with two parts and is respectively and electrically connected with the control device;

the toothbrush body is configured to:

in response to another one of the plurality of operation instructions, the control device sequentially energizes the two electromagnetic assemblies, and the swinging members are respectively and reciprocally attracted with the two electromagnetic assemblies to swing the output shaft.

2. The electric toothbrush with dual operation mode according to claim 1, wherein the oscillating device comprises a supporting base, the electromagnetic assembly is mounted on the supporting base, the oscillating piece is located at one side of the supporting base, and a gap is formed between the oscillating piece and the supporting base.

3. The electric toothbrush with double working modes according to claim 2, wherein a plug post which is in plug-in fit with the control device is arranged on the surface of the supporting seat facing away from the swinging member, a fool-proof groove is formed in the supporting seat in a penetrating mode, and the projection of the swinging member along the central axis direction of the toothbrush main body is staggered with the fool-proof groove.

4. The electric toothbrush with dual operation mode according to claim 1, wherein the oscillating member comprises a connecting portion and an oscillating portion connected, the connecting portion being in interference fit with the second end of the output shaft, the oscillating portion having a first contact surface and a second contact surface, the first contact surface and the second contact surface being respectively connected with the connecting portion, at least a portion of the first contact surface being disposed opposite one of the electromagnetic assemblies, and at least a portion of the second contact surface being disposed opposite the other of the electromagnetic assemblies.

5. The dual mode electric toothbrush of claim 4, wherein the first contact surface and the second contact surface form an obtuse angle.

6. The electric toothbrush with dual operation mode according to claim 5, wherein the electromagnetic assembly comprises a housing, a coil, an iron core and a contact member, the housing is located at one side of the swinging member, the coil is disposed inside the housing, the coil is electrically connected with the control device, the iron core is movably disposed inside the coil along a length direction of the housing, the contact member is connected with the iron core, at least part of the contact member extends out of the housing, and the contact member is disposed opposite to the swinging member.

7. The electric toothbrush with dual operation mode according to claim 6, wherein the electromagnetic assembly further comprises a sleeve inserted inside the housing, the coil is sleeved on the periphery of the sleeve, and the iron core is movably disposed inside the sleeve.

8. The electric toothbrush with dual operation mode according to claim 7, wherein the electromagnetic assembly further comprises a first elastic member, the first elastic member is disposed inside the sleeve, one end of the first elastic member is abutted with the housing, and the other end of the first elastic member is abutted with the iron core.

9. The electric toothbrush with double operation modes according to claim 1, wherein the swinging device further comprises a connecting mechanism, the connecting mechanism comprises a locking ring, a locking bead, a second elastic piece and a sealing sleeve, the locking bead is accommodated at the periphery of the second end of the output shaft, the locking ring is movably sleeved on the second end of the output shaft, the locking ring is abutted with the locking bead, one end of the second elastic piece is abutted with the swinging piece, the other end of the second elastic piece is abutted with the locking ring, and the sealing sleeve is sleeved on the output shaft and is abutted with the locking ring.

10. A method of controlling an electric toothbrush according to claim 1, comprising: