CN219458813U - Damping mechanism and electric toothbrush - Google Patents

Abstract

The application provides a damper and electric toothbrush, including shell casing, vibrating motor, control module, damping module and power module, vibrating motor control module the damping module with power module all sets up inside the shell casing, vibrating motor sets up one side of shell casing, and this application is through above-mentioned structure, acquires damping module's swing range after carrying out asynchronous vibrations through setting up damping module and vibrating motor to reduce vibrating motor output's mode according to this swing range, promoted motor output and adjusted sensitivity, solved among the prior art directly reduce the motor output range through the mode of stage and reduce vibrating motor output and lead to the problem that the output of motor is insufficient and the clean ability of toothbrush descends easily, promoted the user when holding electric toothbrush.

Description

Damping mechanism and electric toothbrush

Technical Field

The present application relates to electric toothbrushes, and more particularly, to a vibration reduction mechanism and an electric toothbrush.

Background

The toothbrush is the most commonly used tooth cleaning tool for people, is used for removing bacteria, tartar and tiny sundries attached between teeth, can play a role in preventing periodontal diseases, protects oral hygiene and tooth health of people, is various in the market, is one of various types of toothbrushes, and is driven by a circuit control board to control the positive and negative polarities of a motor through the reversing of a singlechip, so that the motor shaft of the driving motor can rotate forward and backward rapidly, and the toothbrush head is driven to clean teeth;

however, in the prior art, hard contact is adopted between the motor and the shell of the electric toothbrush, and the vibration of the motor is directly transmitted to the handle shell, so that the handle shell vibrates severely, the hand is held very uncomfortable, and large noise is brought, in order to avoid the problem, the existing scheme mainly weakens the vibration strength of the motor in a mode of directly reducing the output of the motor in a stepwise manner, but the adjustment mode is not sensitive enough, so that the output of the motor is insufficient, the cleaning capacity of the toothbrush is reduced, and therefore, the problem of how to realize the vibration reduction of the toothbrush and simultaneously maintain the output of the motor is urgently solved.

Disclosure of Invention

In view of the foregoing, there is a need for a vibration reduction mechanism and an electric toothbrush that can achieve improved sensitivity in motor output adjustment, thereby ensuring cleaning ability of the toothbrush.

The application discloses a damping mechanism, which comprises a shell, a vibration motor, a control module, a damping module and a power supply module;

the vibration motor comprises a shell, a vibration motor, a control module, a damping module and a power supply module;

the vibration motor, the control module, the damping module and the power supply module are all arranged inside the shell, the damping module is rigidly connected with the vibration motor, and the control module is arranged on the side wall of the inner side of the shell and is connected with the vibration motor, the damping module and the power supply module, so that the function of acquiring the vibration amplitude of the damping module is realized

Further, the damping module comprises a fixing piece and a resonance pendulum;

the vibration motor is characterized in that the fixing piece is rigidly connected with the vibration motor, the resonance pendulum bob is arranged on one side of the fixing piece and is rigidly connected with the fixing piece, so that vibration of the resonance pendulum bob is conducted to the resonance pendulum bob through the fixing piece when the vibration motor is started, the resonance pendulum bob elastically swings and generates swing vibration with different phases consistent with vibration frequency generated by the vibration motor, and the function of counteracting vibration generated by the vibration motor is achieved in a mode of forming reverse restoring force.

Further, the fixing piece is provided with a fixing component, and the resonance pendulum bob is provided with an elastic cantilever and a hammer head component;

the fixing piece is provided with a fixing component, the resonance pendulum is provided with an elastic cantilever and a hammer head component, and the center line of the resonance pendulum is overlapped with the center line of the vibration motor;

one end or more ends of the elastic cantilever are rigidly connected with the fixing component, the hammer head component is arranged at the other end or more ends of the elastic cantilever, and the hammer head components are symmetrically arranged at two sides of a central line arranged by the vibration motor, so that the resonance pendulum bob can conveniently elastically swing around the central line arranged by the vibration motor to generate resonance.

Further, an installation seat is arranged in the shell;

the mounting seat is fixed in the shell, be equipped with first fixed buckle and the fixed buckle of second on the mounting seat, first fixed buckle is detained the reality vibration motor, the fixed buckle of second is detained the reality power module, thereby realize right vibration motor with power module's fixed effect.

Furthermore, the mounting seat is also provided with a fixing through hole and a mounting rod;

the fixing through hole is formed in the mounting seat, the fixing assembly is provided with a mounting hole in a penetrating mode, the mounting hole is communicated with the fixing through hole, a groove is formed in the elastic cantilever, and the mounting rod penetrates through the fixing through hole and the mounting hole and then is inserted into the groove, so that the function of enhancing the fixing effect between the elastic cantilever and the fixing assembly is achieved.

Further, the elastic cantilever is also provided with a first magnet, and the control module is also provided with a control unit and a first magneto-sensitive element;

the first magnet is arranged in the center of the hammer head assembly, the first magnetic sensor is connected with the control unit and is matched with the first magnet, a first induction gap is formed between the first magnet and the first magnetic sensor, when the first magnet swings along with the hammer head assembly, the first magnetic sensor can acquire a magnetic field change value in the first induction gap and sends the magnetic field change value to the control unit for calculation, and therefore the effect of calculating the swing amplitude of the hammer head assembly is achieved.

Further, a second magnet is arranged on one side of the fixing piece, and a second magnetic sensor is arranged on the control module;

the second magnet is arranged on the side wall of the same side of the fixing piece and the hammer head assembly, the second magnetic sensor extends from one side of the control module and is fixed on one side of the hammer head assembly on the same side as the second magnet, a second induction gap is formed between the second magnetic sensor and the hammer head assembly at the moment, meanwhile, the hammer head assembly on the same side as the second magnet is made of a metal material capable of being adsorbed by the magnet, a magnetic air gap is formed between the second magnet on the same side and the hammer head assembly at the moment, and when the hammer head assembly swings, the second magnetic sensor can calculate according to the magnetic field change value in the magnetic air gap, so that the effect of calculating the swing amplitude of the hammer head assembly is achieved.

Further, the control module is also provided with an operational amplifier;

one end of the operational amplifier is connected with the control unit, and the other end of the operational amplifier is connected with the first magnetic sensing element or the second magnetic sensing element, so that the data output size of the first magnetic sensing element or the second magnetic sensing element is amplified, and the effect of improving the measurement precision is achieved.

The application also includes an electric toothbrush comprising the damping mechanism.

According to the structure, the vibration amplitude of the vibration module is obtained after asynchronous vibration is carried out by the vibration module and the vibration motor, and the vibration motor output mode is reduced according to the vibration amplitude, so that the motor output adjustment sensitivity is improved, the problem that the motor output amplitude is weakened in the prior art by directly reducing the vibration motor output mode in a stepwise manner, the motor output amplitude is insufficient, the cleaning capacity of the toothbrush is reduced is solved, and the holding feeling of a user when the user holds the electric toothbrush is improved.

Drawings

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

Wherein:

FIG. 1 is a schematic diagram of a shock absorbing mechanism according to an embodiment;

FIG. 2 is a schematic view of a shock absorbing mechanism according to another embodiment;

FIG. 3 is a schematic view showing the positions of the fixing hole, the mounting rod and the mounting hole according to an embodiment;

FIG. 4 is a schematic diagram of a shock module according to an embodiment;

FIG. 5 is a schematic view of a shock module according to another embodiment;

FIG. 6 is a schematic view of a shock module in another embodiment;

FIG. 7 is a schematic diagram of a control module according to an embodiment;

FIG. 8 is a schematic diagram illustrating a position of a first magneto-resistive element according to an embodiment;

FIG. 9 is a schematic circuit diagram of a control unit according to an embodiment;

FIG. 10 is a schematic circuit diagram of an operational amplifier according to an embodiment;

the reference numerals in the figures are: the vibration motor comprises a 1-shell body, a 2-vibration motor, a 3-control module, a 4-vibration module, a 5-power supply module, a 31-control unit, a 41-fixing piece, a 42-resonance pendulum, a 43-fixing component, a 44-elastic cantilever, a 45-hammer head component, a 11-mounting seat, a 12-first fixing buckle, a 13-second fixing buckle, a 14-fixing through hole, a 15-mounting rod, a 16-mounting hole, a 17-slot, a 18-first magnet, a 32-first magneto-sensitive element, a 45-second magnet, a 33-second magneto-sensitive element and a 34-operational amplifier.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

Referring to fig. 1 and 2, the present application discloses a damping mechanism, which comprises a shell body 1, a vibration motor 2, a control module 3, a damping module 4 and a power supply module 5;

vibration motor 2, control module 3, damping module 4 and power module 5 all set up inside shell casing 1, and vibration motor 2 sets up in one side of shell casing 1, through direct rigid connection or indirect rigid connection between damping module 4 and the vibration motor 2, and power module 5 sets up at damping module 4 rear, and control module 3 sets up on the lateral wall of shell casing 1 inboard and links to each other with vibration motor 2, damping module 4 and power module 5 to the realization obtains damping module's vibration amplitude's function.

As described in the above embodiment, the vibration motor 2, the control module 3, the vibration module 4 and the power supply module 5 are all disposed inside the casing 1, when the user presses the switch of the present application, the vibration motor 2 starts vibrating, and when the vibration motor 2 starts vibrating, since the vibration module 4 and the vibration motor 2 are disposed adjacently, the vibration module 4 and the vibration motor 2 are directly rigidly connected, the vibration motor 2 drives the vibration module 4 to swing, and it can be understood that the vibration frequencies of the vibration motor 2 and the vibration module 4 are consistent but the phases are inconsistent, at this moment, the control module 3 can obtain the vibration amplitude of the vibration module 4 itself, and adjust the output of the vibration motor 2 according to the vibration amplitude, so as to achieve the effect of intelligently adjusting the output of the vibration motor 2.

It can be understood that the shock absorbing module 4 and the shock absorbing motor 2 can be indirectly and rigidly connected through a connecting piece, and at this time, the shock output by the shock absorbing motor 2 can be transmitted to the shock absorbing module 4 through the connecting piece, so that the function of indirectly driving the shock absorbing module 4 to swing is realized.

According to the structure, the vibration amplitude of the vibration module is obtained after the vibration module and the vibration motor vibrate asynchronously, the output mode of the vibration motor is reduced according to the vibration amplitude, the motor output adjustment sensitivity is improved, the problem that the motor output amplitude is weakened in the prior art directly by reducing the output mode of the vibration motor in a staged manner, the output of the motor is insufficient and the cleaning capacity of the toothbrush is reduced easily is solved, and the holding feeling of a user when the user holds the electric toothbrush is improved.

Referring to fig. 4 and 5, in one embodiment, the damping module 4 includes a fixing member 41 and a resonant pendulum 42;

the fixing piece 41 is arranged on the other side of the vibration motor 2, and the resonance pendulum bob 42 is arranged on one side of the fixing piece 41 and is rigidly connected with the fixing piece 41, so that operation vibration generated when the vibration motor 2 is started is transmitted to the resonance pendulum bob 42 through the fixing piece 41, the resonance pendulum bob 42 elastically swings and generates swing vibration with different phases consistent with vibration frequency generated by the vibration motor 2, and the function of counteracting vibration generated by the vibration motor 2 is achieved through a mode of forming reverse restoring force.

As described in the above embodiment, the resonance pendulum 42 is rigidly connected to the fixing member 41, and the fixing member 41 is disposed adjacent to and in contact with the vibration motor 2, and the center of gravity of the resonance pendulum 42 is located at the vibration motion center axis when the vibration motor 2 vibrates, so that when the vibration motor 2 starts and generates operation vibration, the operation vibration can be synchronously transmitted to the resonance pendulum 42 through the fixing member 41, it can be understood that in this embodiment, the operation vibration generated by the vibration motor 2 is rotational vibration generated by repeatedly performing reciprocating rotation with the vibration motor 2 using its own motor shaft as the origin, at this time, the resonance pendulum 4 starts to perform reciprocating rotation with the fixing member 41 as the origin due to the influence of the operation vibration, thereby generating vibration with a phase different from the vibration frequency generated by the vibration motor 2, and it can be understood that, because one end of the resonance pendulum 42 is provided with a mass body with a higher weight, the pendulum vibration generated by the resonance pendulum 42 and the operation vibration generated by the vibration motor 2 are at the same frequency but not in the same phase, at this time, resonance (i.e., a reverse motor force is generated between the operation vibration and the pendulum vibration), thereby obtaining a reverse motor force, and thus achieving the effect of adjusting the amplitude of the vibration 2 according to the vibration amplitude of the vibration 2 when the vibration 2 is not being well adjusted, the vibration 2 is generated by the vibration motor 2, and the vibration 2 is adjusted to have a large amplitude, and the vibration amplitude is not being adjusted, and the vibration module is well has a problem is adjusted, and the vibration module is able to be adjusted, due to the vibration module is 2, and has a vibration amplitude is adjusted to a vibration module is generated

Referring to fig. 4 and 6, in one embodiment, the fixing member 41 is provided with a fixing component 43, the resonant pendulum 42 is provided with an elastic cantilever 44 and a hammer head component 45, and a center line of the resonant pendulum 42 is coincident with a center line of the vibration motor 2;

one or more ends of the elastic cantilever 44 are rigidly connected with the fixing component 43, the hammer head assembly 45 is arranged at the other or more ends of the elastic cantilever 44, and the hammer head assembly 45 is symmetrically arranged at two sides of the central line of the vibration motor 2, so that the resonance pendulum 42 can elastically swing around the central line of the vibration motor 2 to generate resonance.

As described in the above embodiment, since one end of the elastic cantilever 44 is rigidly connected to the fixing component 43, the hammer head assembly 45 is disposed on two sides of the other end of the elastic cantilever 44, and the hammer head assembly 45 is a mass body with higher weight, when the vibration motor 2 generates rotation vibration, the elastic cantilever 44 drives the hammer head assembly 45 to rotate and swing at the same time, and since the hammer head assembly 45 is disposed on two sides of the center line symmetrically disposed on the vibration motor 2, the rotation vibration generated by the vibration motor 2 is ensured to synchronously drive the hammer head assembly 45 to perform different phase of the elastic swing vibration due to the material rigidity limitation of the elastic cantilever 44 and the distance limitation between the vibration motor 2 and the hammer head assembly 45, thereby ensuring that the rotation vibration and the swing vibration are in the same frequency but not in the same phase.

Referring to fig. 2 and 3, in one embodiment, a mounting seat 11 is further disposed inside the housing 1;

the mount pad 11 is fixed in shell case 1, is equipped with first fixed buckle 12 and the fixed buckle 13 of second on the mount pad 11, and vibration motor 2 is detained to first fixed buckle 12, and power module 5 is detained to the fixed buckle 13 of second to the realization is to vibration motor 2 and power module 5's fixed effect.

As described in the above embodiment, the mounting seat 11 is fixed in the housing 1, and the vibration motor 2 and the second fixing buckle 13 are buckled to the power supply module 5 through the first fixing buckle 12, so as to achieve the fixing effect on the vibration motor 2 and the power supply module 5, and simultaneously prevent the rotation vibration generated by the vibration motor 2 from being directly transmitted to the housing 1, which results in the problem of uncomfortable holding feeling of the user.

Referring to fig. 3, 4, 5 and 6, in one embodiment, the mounting seat 11 is further provided with a fixing through hole 14 and a mounting rod 15;

the fixed through hole 14 is arranged on the mounting seat 11, the mounting assembly 43 is provided with a mounting hole 16 in a penetrating manner, the mounting hole 16 is communicated with the fixed through hole 14, the elastic cantilever 44 is provided with a slot 17, and the mounting rod 15 passes through the fixed through hole 14 and the mounting hole 16 and then is inserted into the slot 17, so that the function of enhancing the fixing effect between the elastic cantilever 44 and the fixed assembly 43 is realized.

As described in the above embodiment, the mounting rod 15 is inserted into the slot 18 after passing through the fixing through hole 14 and the mounting hole 16, so as to achieve the function of enhancing the fixing effect between the elastic cantilever 44 and the fixing component 43, and in addition, the slot 17 provided on the elastic cantilever 44 can enable the elastic cantilever 44 to form a multi-strand elastic cantilever, so as to achieve the effect of facilitating the swing of the hammer head component 45 to generate swing vibration and generate resonance with the rotation vibration.

Referring to fig. 4, 5, 7 and 8, in one embodiment, the elastic cantilever 44 is further provided with a first magnet 18, and the control module 3 is further provided with a control unit 31 and a first magnetic sensor 32;

the first magnet 18 is arranged in the center of the hammer head assembly 45, the first magnetic sensor 32 is connected with the control unit 33 and is arranged in a matched mode with the first magnet 18, a first induction gap is formed between the first magnet 18 and the first magnetic sensor 32, when the first magnet 18 swings along with the hammer head assembly 45, the first magnetic sensor 32 can acquire a magnetic field change value in the first induction gap and sends the magnetic field change value to the control unit 33 to calculate, and therefore the effect of calculating the swing amplitude of the hammer head assembly 45 is achieved.

As described in the above embodiment, the first magnet 18 is disposed in the center of the hammer assembly 45, so as to generate a magnetic field around the hammer assembly 45, and meanwhile, since the first magnetic sensor 32 is disposed in a pair with the first magnet 18, a first sensing gap is formed between the first magnetic sensor 32 and the first magnet 18, it is understood that the first sensing gap is covered by the magnetic field emitted by the first magnet 18, and the width of the first sensing gap is between 0.1mm and 5mm, and when the hammer assembly 45 elastically swings, the magnetic field is also shifted synchronously, at this time, the first magnetic sensor 32 can obtain a magnetic field offset value of the magnetic field in the first sensing gap, and it is understood that the offset value is essentially a digital signal of a waveform value type, the frequency of occurrence of a forward waveform is the frequency of the swing vibration, and the magnitude of each peak of the forward waveform is the magnitude of each swing amplitude in the swing vibration, and then the first magnetic sensor 32 sends the waveform value to the control unit 33, so as to realize the function of monitoring the swing amplitude generated by the resonant hammer 42.

Referring to fig. 6, in an embodiment, a second magnet 46 is further disposed on one side of the fixing member 41, and a second magneto-sensitive element 33 is further disposed on one side of the resonant pendulum 42;

the second magnet 46 is disposed on the side wall of the same side as the fixing piece 41 and the hammer head assembly 45, the second magnetic sensor 33 extends from one side of the control module 3 and is fixed on one side of the hammer head assembly 45 on the same side as the second magnet 46, a second induction gap is formed between the second magnetic sensor 33 and the hammer head assembly 45 at this time, meanwhile, the hammer head assembly 45 on the same side as the second magnet 46 is made of metal material capable of being absorbed by the magnet, a magnetic air gap is formed between the second magnet 46 on the same side and the hammer head assembly 45 at this time, and when the hammer head assembly 45 swings, the second magnetic sensor 33 can calculate according to the magnetic field variation value in the magnetic air gap, so that the effect of calculating the swing amplitude of the hammer head assembly is achieved.

As described in the above embodiment, the second magnet 46 is disposed on the same side wall of the fixing member 41 and the hammer head assembly 45, so as to generate a magnetic field around the hammer head assembly 45, and the hammer head assembly 45 on the same side as the second magnet 46 is made of a metal material that can be attracted by the magnet, so that a magnetic air gap is formed between the second magnet 46 on the same side and the hammer head assembly 45, and since the second magnetic sensor 33 extends from one side of the control module 3 and is fixed on the same side as the second magnet 46 as the hammer head assembly 45, a second induction gap is formed between the second magnetic sensor 33 and the hammer head assembly 45, and the width of the second induction gap is between 0.1mm and 5mm, so that the magnetic field generated by the second magnet 46 covers the magnetic air gap and the second induction gap, and when the hammer head assembly 45 elastically swings, the magnetic attraction between the second magnet 46 and the hammer head assembly 46 has a bias influence on the magnetic field generated by the second magnet 46,

at this time, the second magneto-sensitive element 33 can obtain the magnetic field offset value of the magnetic field in the second induction gap, and it can be understood that the offset value is essentially a digital signal of waveform value type, the occurrence frequency of the forward waveform is the frequency of the oscillating vibration, the magnitude of each peak and peak of the forward waveform is the magnitude of each oscillating amplitude in the oscillating vibration, and then the second magneto-sensitive element 33 sends the waveform value to the control unit 33, thereby realizing the function of monitoring the oscillating amplitude generated by the resonant pendulum 42.

Referring to fig. 7, in an embodiment, the control module 31 is further provided with an operational amplifier 34;

one end of the operational amplifier 34 is connected with the control unit 31, and the other end of the operational amplifier 34 is connected with the first magnetic sensor 32 or the second magnetic sensor 33, so that the data output size of the first magnetic sensor 32 or the second magnetic sensor 33 is amplified, and the effect of improving the measurement precision is achieved.

The application still includes an electric toothbrush, including foretell damper to the realization weakens the inside vibrating motor shock effect of electric toothbrush through the damper who this application discloses.

According to the embodiment, the vibration motor and the vibration motor are arranged to asynchronously vibrate, the vibration amplitude of the vibration module is obtained, the vibration motor output mode is reduced according to the vibration amplitude, the motor output adjustment sensitivity is improved, the problem that the motor output amplitude is weakened in the prior art directly through the mode of reducing the vibration motor output in a staged mode, the motor output amplitude is insufficient, the cleaning capacity of the toothbrush is reduced easily is solved, and the holding feeling of a user when the user holds the electric toothbrush is improved.

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 examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the present application. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application.

Claims (10)

1. The damping mechanism is characterized by comprising a shell, a vibration motor, a control module, a damping module and a power supply module;

the vibration motor, the control module, the damping module and the power supply module are all arranged inside the shell, the damping module is rigidly connected with the vibration motor, a control unit is arranged in the control module, and the control module is arranged in the shell and is connected with the vibration motor, the damping module and the power supply module, so that the function of obtaining the vibration amplitude of the damping module is realized.

2. The shock absorbing mechanism of claim 1, wherein the shock absorbing module comprises a fixture and a resonant pendulum;

the vibration motor is characterized in that the fixing piece is rigidly connected with the vibration motor, the resonance pendulum bob is arranged on one side of the fixing piece and is rigidly connected with the fixing piece, so that vibration of the resonance pendulum bob is conducted to the resonance pendulum bob through the fixing piece when the vibration motor is started, the resonance pendulum bob elastically swings and generates swing vibration with different phases consistent with vibration frequency generated by the vibration motor, and the function of counteracting vibration generated by the vibration motor is achieved in a mode of forming reverse restoring force.

3. The shock absorbing mechanism as claimed in claim 2, wherein the fixing member is provided with a fixing component, the resonance pendulum is provided with an elastic cantilever and a hammer head component, and a center line of the resonance pendulum is coincident with a center line of the vibration motor;

one end or more ends of the elastic cantilever are rigidly connected with the fixing component, the hammer head component is arranged at the other end or more ends of the elastic cantilever, and the hammer head components are symmetrically arranged at two sides of a central line arranged by the vibration motor, so that the resonance pendulum bob can conveniently elastically swing around the central line arranged by the vibration motor to generate resonance.

4. A shock absorbing mechanism as claimed in claim 3, wherein the hammer head assembly is a metal counterweight.

5. The shock absorbing mechanism as defined in claim 3, wherein a mounting seat is further provided inside the housing shell;

the mounting seat is fixed in the shell, be equipped with first fixed buckle and the fixed buckle of second on the mounting seat, first fixed buckle is detained the reality vibration motor, the fixed buckle of second is detained the reality power module, thereby realize right vibration motor with power module's fixed effect.

6. The damping mechanism according to claim 5, wherein the mounting base is further provided with a fixing through hole and a mounting rod;

the fixing through hole is formed in the mounting seat, the fixing assembly is provided with a mounting hole in a penetrating mode, the mounting hole is communicated with the fixing through hole, a groove is formed in the elastic cantilever, and the mounting rod penetrates through the fixing through hole and the mounting hole and then is inserted into the groove, so that the function of enhancing the fixing effect between the elastic cantilever and the fixing assembly is achieved.

7. The damping mechanism according to claim 3, wherein the elastic cantilever is further provided with a first magnet, and the control module comprises a first magnetic sensor;

the first magnet is arranged in the center of the hammer head assembly, the first magnetic sensor is connected with the control unit and is matched with the first magnet, a first induction gap is formed between the first magnet and the first magnetic sensor, when the first magnet swings along with the hammer head assembly, the first magnetic sensor can acquire a magnetic field change value in the first induction gap and sends the magnetic field change value to the control unit for calculation, and therefore the effect of calculating the swing amplitude of the hammer head assembly is achieved.

8. The shock absorbing mechanism as defined in claim 7, wherein a second magnet is further provided on one side of the fixing member, and the control module is further provided with a second magneto-sensitive element;

the second magnet is arranged on the side wall of the same side of the fixing piece and the hammer head assembly, the second magnetic sensor extends from one side of the control module and is fixed on one side of the hammer head assembly on the same side as the second magnet, a second induction gap is formed between the second magnetic sensor and the hammer head assembly at the moment, meanwhile, the hammer head assembly on the same side as the second magnet is made of a metal material capable of being adsorbed by the magnet, a magnetic air gap is formed between the second magnet on the same side and the hammer head assembly at the moment, and when the hammer head assembly swings, the second magnetic sensor can calculate according to the magnetic field change value in the magnetic air gap, so that the effect of calculating the swing amplitude of the hammer head assembly is achieved.

9. The shock absorbing mechanism of claim 8, wherein the control module is further provided with an operational amplifier;

one end of the operational amplifier is connected with the control unit, and the other end of the operational amplifier is connected with the first magnetic sensing element or the second magnetic sensing element, so that the data output size of the first magnetic sensing element or the second magnetic sensing element is amplified, and the effect of improving the measurement precision is achieved.

10. An electric toothbrush comprising a vibration absorbing mechanism as claimed in any one of claims 1 to 9.