CN112274286A

CN112274286A - Gum protection architecture and electric toothbrush

Info

Publication number: CN112274286A
Application number: CN202011162319.6A
Authority: CN
Inventors: 刘大勇; 欧阳正良; 周武; 汪彩成
Original assignee: Dongguan Legion Technology Co ltd
Current assignee: Dongguan Legion Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-01-29

Abstract

The invention discloses a gum protection structure and an electric toothbrush, wherein the gum protection structure comprises an electric toothbrush body, the electric toothbrush body comprises a driving component and a brush head component in transmission connection with the driving component; the detection mechanism is arranged on the electric toothbrush body and used for detecting the vibration intensity of the driving assembly and the brush head assembly, when the swing amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, and the detection mechanism adjusts the operating power of the driving assembly when being triggered. The detection mechanism is arranged on the toothbrush body, so that the vibration intensity of the driving assembly and the brush head assembly is detected in real time; when the driving assembly drives the brush head assembly to vibrate, the driving assembly receives the reaction force of the brush head assembly, the swinging degree of the driving assembly indirectly and synchronously reflects the vibration intensity of the brush head assembly, and when the swinging amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, so that the operating power of the driving assembly is reduced, and the gum tissue is effectively protected.

Description

Gum protection architecture and electric toothbrush

Technical Field

The invention relates to the technical field of electric toothbrushes, in particular to a gum protection structure and an electric toothbrush.

Background

The electric toothbrush is popular in the market due to good cleaning effect, the electric toothbrush works, the driving assembly (the motor) drives the brush head to generate high-frequency vibration, toothpaste is 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, so that the electric toothbrush has a massaging effect on gum tissues.

However, gum tissue is fragile and can be damaged when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold.

Therefore, the prior art has defects and needs to be improved and developed.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a gum protection structure and an electric toothbrush, which solve the problem that the brush head of the electric toothbrush in the prior art is likely to damage gum tissue due to excessive vibration intensity.

The technical scheme adopted by the invention for solving the technical problem is as follows: a gum protection structure for an electric toothbrush, comprising:

the electric toothbrush comprises an electric toothbrush body and a toothbrush head component, wherein the electric toothbrush body comprises a driving component and the toothbrush head component in transmission connection with the driving component;

the detection mechanism is arranged on the electric toothbrush body and used for detecting the vibration intensity of the driving assembly and the brush head assembly, when the swing amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, and the detection mechanism adjusts the running power of the driving assembly when being triggered.

Further, the electric toothbrush body further comprises: driving the fixed component; the first end of the driving component along the axial direction is detachably connected with the driving fixing component; one end of the brush head component along the axial direction is connected with the first end of the driving component;

the detection mechanism includes: a trigger component; the trigger assembly is arranged at the lower end opposite to the second end of the driving assembly along the axial direction, and the trigger assembly adjusts the running power of the driving assembly when being triggered;

when the swing amplitude of the driving component exceeds a threshold value, the driving component presses and triggers the triggering component.

Further, the trigger assembly includes:

the PCB board is electrically connected with the driving assembly;

the first electrode elastic sheet is arranged on the PCB;

the second electrode elastic sheet is arranged on the PCB and is arranged at an interval with the first electrode elastic sheet;

the first electrode elastic sheet is arranged between the second electrode elastic sheet and the second end of the driving assembly.

Further, the driving assembly includes:

the motor comprises a motor body and an output shaft which are integrally connected along the axial direction, and one end of the output shaft, which is far away from the motor body, is detachably connected with the brush head assembly;

the swinging block is arranged at the other end of the motor body, which is far away from the output shaft, is coaxially arranged with the output shaft, and is arranged at an interval with the first electrode elastic sheet.

Further, the drive fixing assembly includes:

the motor fixing seat is used for accommodating and fixing the motor body;

the upper cover is sleeved on the periphery of the motor fixing seat and is movably connected with the motor fixing seat;

the upper cover is detachably connected to the shell.

Further, the motor fixing base includes:

the motor fixing seat body is arranged in a hollow round tube shape, and the motor is fixed in the motor fixing seat body;

the sealing plate is arranged at one end of the motor fixing seat, which is far away from the brush head assembly;

the first suspension piece is arranged on the outer wall of one end, close to the brush head assembly, of the motor fixing seat body;

the second suspension part is arranged on the outer wall of one end, close to the brush head assembly, of the motor fixing seat body;

the first hanging piece and the second hanging piece are arranged at two ends of the motor fixing seat body with the same diameter and are used for being matched and connected with the upper cover; the axis of the sealing plate is provided with a swinging hole matched with the swinging block, and the swinging block is in clearance fit with the sealing plate;

the motor fixing seat comprises a motor body and is characterized in that a fixing block is axially arranged on the inner surface of the motor fixing seat main body, and a fixing table matched with the fixing block is arranged on the outer surface of the motor body.

Further, the upper cover includes:

the upper conical cover is clamped with the upper end of the shell along the axial direction;

the clamping strips extend and form from one end of the upper conical cover, which is far away from the brush head assembly, along the axial direction, and one end of the clamping strips, which is far away from the upper conical cover, is clamped with the shell;

the first fixing hole is arranged at the joint of the clamping strip and the upper conical cover and is used for connecting the first hanging piece;

and the second fixing hole is arranged at the joint of the clamping strip and the upper conical cover and is used for connecting the second hanging piece.

Furthermore, the driving fixing assembly also comprises a motor bottom plate, and the motor bottom plate is arranged between the PCB and the motor and used for limiting the swinging space of the swinging block;

the motor base plate includes:

a ring body;

one end of the swinging block, which is far away from the motor, is inserted into the limiting frame and is in clearance fit with the limiting frame;

one end of the elastic piece is connected to the limiting frame, and the other end of the elastic piece is connected to the inner surface of the circular ring main body;

wherein, the limit frame is respectively provided with at least one elastic element along the two radial ends of the circular ring main body.

Further, the elastic member is a U-shaped elastic member, and includes: a first elastic member, a second elastic member and a third elastic member;

the first elastic piece is arranged between the limiting frame and the circular ring main body;

the second elastic piece and the third elastic piece are arranged at one end of the limiting frame, which is far away from the first elastic piece;

the first elastic piece, the second elastic piece and the third elastic piece are arranged in a delta shape along the radial direction, the first electrode elastic piece and the second electrode elastic piece are arranged between the second elastic piece and the third elastic piece, and the first electrode elastic piece is arranged between the second electrode elastic piece and the first elastic piece.

The technical scheme adopted by the invention for solving the technical problem is as follows: an electric toothbrush, comprising: a gum protective structure as described above.

Compared with the prior art, the invention provides a gum protection structure and an electric toothbrush, wherein the gum protection structure is used for the electric toothbrush and comprises an electric toothbrush body, the electric toothbrush body comprises a driving component and a brush head component in transmission connection with the driving component; the detection mechanism is arranged on the electric toothbrush body and used for detecting the vibration intensity of the driving assembly and the brush head assembly, when the swing amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, and the detection mechanism adjusts the running power of the driving assembly when being triggered. It can be understood that by arranging the detection mechanism on the electric toothbrush body, the vibration intensity of the driving assembly and the brush head assembly can be detected in real time; the drive assembly drives when the first subassembly vibrations of brush, also receive the reaction force of first subassembly of brush, and then pass through drive assembly's swing degree can indirect synchronous reflection the vibrations intensity of first subassembly of brush, and then work as when drive assembly amplitude of fluctuation surpassed the threshold value, drive assembly triggers detection mechanism, and then reduces drive assembly's operating power makes electric toothbrush gets into weak grade mode, and then effectual protection gum tissue.

Drawings

FIG. 1 is a perspective view of a gum protection structure provided in the present invention;

FIG. 2 is a perspective exploded view of a gum protection structure provided in the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic front view of a gum protection structure provided in the present invention;

FIG. 5 is a schematic cross-sectional view taken along line I-I of FIG. 4 in accordance with the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 5 in accordance with the present invention;

FIG. 7 is another exploded perspective view of the gum protection structure provided in the present invention;

FIG. 8 is a perspective exploded view of a motor base plate of a driving fixing assembly of the gum protection structure provided in the present invention;

FIG. 9 is a perspective view of the electric toothbrush provided in the present invention;

description of reference numerals:

1. an electric toothbrush; 10. a gum protection structure; 11. driving the fixed component; 12. a drive assembly; 13. a brush head assembly; 14. a trigger component; 15. an electric toothbrush body; 16. a detection mechanism; 111. a motor fixing seat; 112. an upper cover; 113. a housing; 114. a motor base plate; 121. a motor; 122. a swing block; 123. a motor body; 124. an output shaft; 125. a fixed table; 141. a PCB board; 142. a first electrode dome; 143. a second electrode dome; 1111. a motor fixing seat main body; 1112. closing the plate; 1113. a first suspension member; 1114. a second suspension member; 1115. a swing hole; 1116. a fixed block; 1121. an upper cone cover; 1122. clamping the strip; 1123. a first fixing hole; 1124. a second fixing hole; 1141. a ring body; 1142. a limiting frame; 1143. an elastic member; 1144. a first elastic member; 1145. a second elastic member; 1146. and a third elastic member.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The electric toothbrush is popular in the market due to good cleaning effect, the electric toothbrush works, the driving assembly (the motor) drives the brush head to generate high-frequency vibration, toothpaste is 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, so that the electric toothbrush has a massaging effect on gum tissues. However, gum tissue is fragile and can be damaged when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold.

The invention provides a gum protection structure and an electric toothbrush based on the problem that a brush head of the electric toothbrush in the prior art easily damages gum tissues due to overlarge vibration intensity, and the detection mechanism is arranged on the electric toothbrush body, so that the vibration intensity of a driving assembly and the brush head assembly can be detected in real time; the driving assembly drives the brush head assembly to vibrate and simultaneously receives the reaction force of the brush head assembly, so that the vibration intensity of the brush head assembly can be indirectly and synchronously reflected through the swinging degree of the driving assembly, and when the swinging amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, so that the running power of the driving assembly is reduced, the electric toothbrush enters a weak gear mode, and the gum tissue is effectively protected; reference will be made in detail to the following examples.

Referring further to fig. 1 and 2 in combination, a first embodiment of the present invention provides a gum protection structure 10, the gum protection structure 10 being for use in an electric toothbrush; the gum protection structure 10 includes: an electric toothbrush body 15 and a detection mechanism 16; the electric toothbrush body 15 comprises a driving assembly 12 and a brush head assembly 13, wherein the brush head assembly 13 is in transmission connection with the driving assembly 12, namely the driving assembly 12 is used for driving the brush head assembly 13; the detection mechanism 16 is disposed on the electric toothbrush body 15, and is configured to detect the vibration intensity of the driving assembly 12 and the toothbrush head assembly 13, and when the swing amplitude of the driving assembly 12 exceeds a threshold value, the driving assembly 12 triggers the detection mechanism 16, and when the detection mechanism 16 is triggered, the operating power of the driving assembly 12 is adjusted.

It can be understood that when the swing amplitude of the driving assembly 12 exceeds a threshold value, the driving assembly 12 triggers the detection mechanism 16, so that the detection mechanism 16 timely adjusts the operating power of the driving assembly 12, and real-time detection and adjustment of the vibration intensity of the brush head assembly 13 are realized; specifically, by arranging the detection mechanism 16 and arranging the detection mechanism 16 on the electric toothbrush body 15, the vibration intensity of the driving assembly 12 and the brush head assembly 13 can be detected in real time; drive assembly 12 drives when brushing first subassembly 13 vibrations, also receive brush first subassembly 13's reaction force, and then pass through drive assembly 12's swing degree, can indirect synchronous reflection brush first subassembly 13's shock intensity, and then work as when drive assembly 12 amplitude of fluctuation surpasses the threshold value, drive assembly 12 triggers detection mechanism 16, and then reduces drive assembly 12's operating power makes electric toothbrush gets into the weak grade mode, and then the effectual gum tissue of protecting.

Referring further to fig. 3, in other preferred embodiments, the electric toothbrush body 15 further comprises: the first end of the driving component 12 along the axial direction is movably connected with the driving fixing component 11; one end of the brush head assembly 13 in the axial direction is connected with the first end of the driving assembly 12; it is understood that the driving assembly 12 can rotate relative to the driving fixing assembly 11; further, the detection mechanism 16 includes: the trigger assembly 14; the trigger assembly 14 is arranged at the opposite lower end of the second end of the driving assembly 12 along the axial direction, and the trigger assembly 14 adjusts the running power of the driving assembly 12 when being triggered; when the swing amplitude of the driving component 12 exceeds a threshold value, the driving component 12 presses and triggers the triggering component 14.

It should be noted that the triggering component 14 may also be disposed at the joint of the driving component 12 and the brush head component 13, or disposed on the brush head component 13, and in this embodiment, the triggering component 14 is preferably disposed at the opposite lower end of the second end of the driving component 12 along the axial direction. It can be understood that, by movably connecting the first end of the driving component 12 along the axial direction with the driving fixing component 11, and further making the first end of the driving component 12 along the axial direction swing with the driving fixing component 11, by controlling the end of the brush head component 13 along the axial direction to be connected with the first end of the driving component 12, the driving component 12 receives the reaction force of the brush head component 13 while driving the brush head component 13 to vibrate, and because the end of the driving component 12 close to the brush head component 13 is movably connected with the driving fixing component 11, and further making the driving component 12 synchronously swing, and further by the swing degree of the driving component 12, the vibration intensity of the brush head component 13 can be indirectly reflected, by arranging the triggering component 14 at the opposite lower end of the second end of the driving component 12 along the axial direction, and further when the swing amplitude of the driving component 12 exceeds the threshold value, the driving component 12 presses and triggers the triggering component 14, so as to reduce the operating power of the driving component 12, so that the electric toothbrush 1 enters a weak gear mode, and further gum tissue is effectively protected.

In other preferred embodiments, the trigger assembly 14 includes: the PCB 141, the first electrode spring 142 and the second electrode spring 143; the PCB 141 is electrically connected to the driving assembly 12; the first electrode elastic piece 142 is arranged on the PCB 141; the second electrode elastic piece 143 is disposed on the PCB 141 and spaced apart from the first electrode elastic piece 142; the first electrode spring piece 142 is disposed between the second electrode spring piece 143 and the second end of the driving assembly 12; it can be understood that the PCB 141 electrically connects the driving assembly 12 to a power supply, and the first electrode elastic piece 142, the first electrode elastic piece 142 and the second end of the driving assembly 12 are at least partially located on the same radial cross section, so as to ensure that when the vibration of the brush head assembly 13 exceeds a threshold value, the driving assembly 12 swings beyond the threshold value, and further the second end of the driving assembly 12 abuts against the first electrode elastic piece 142, so that the first electrode elastic piece 142 contacts against the second electrode elastic piece 143, and the triggering assembly 14 is triggered, and further the operating power of the driving assembly 12 is reduced, so that the electric toothbrush 1 enters a weak gear mode, and further the gum tissue is effectively protected.

Referring further to fig. 4-6, in other preferred embodiments, the driving assembly 12 includes: a motor 121 and a swing block 122; the motor 121 comprises a motor body 123 and an output shaft 124 which are integrally connected along the axial direction, and one end of the output shaft 124, which is far away from the motor body 123, is detachably connected with the brush head assembly 13; the swing block 122 is disposed on the other end of the motor body 123 away from the output shaft 124, and is disposed coaxially with the output shaft 124 and spaced apart from the first electrode spring 142. It is understood that the output shaft 124 may be directly connected to the brushhead assembly 13, or the output shaft 124 may be connected to the brushhead assembly 13 through a linkage; through setting up swing piece 122, and will swing piece 122 deviates from the one end of brush head assembly 13, and then can be in under the minimum shock intensity of brush head assembly 13, make swing piece 122 possesses the biggest swing range, the guarantee gum protection architecture 10 is to the protection effect of gum tissue.

Referring further to fig. 7 to 8, in other preferred embodiments, the driving fixing assembly 11 includes: a motor fixing seat 111, an upper cover 112 and a shell 113; the motor fixing seat 111 is used for accommodating and fixing the motor body 123; the upper cover 112 is sleeved on the periphery of the motor fixing seat 111 and is movably connected with the motor fixing seat 111; the upper cover 112 is detachably attached to the housing 113. It can be understood that the motor body 123 is accommodated and fixed on the motor fixing seat 111, that is, the motor fixing seat 111 and the motor body 123 swing synchronously and can swing synchronously relative to the upper cover 112, so as to implement the fixed installation of the driving assembly 12 and the swing of the motor 121.

In other preferred embodiments, the motor holder 111 includes: the motor fixing seat comprises a motor fixing seat body 1111, a sealing plate 1112, a first hanging part 1113 and a second hanging part 1114; the motor fixing seat body 1111 is hollow round tube-shaped, and the motor 121 is fixed in the motor fixing seat body 1111; the sealing plate 1112 is disposed on an end of the motor fixing base 111 away from the brush head assembly 13; the first hanging part 1113 is arranged on the outer wall of one end of the motor fixing seat body 1111 close to the brush head assembly 13; the second hanging member 1114 is disposed at an outer wall of the motor holder body 1111 near one end of the brush head assembly 13; the first suspension member 1113 and the second suspension member 1114 are disposed at two ends of the same diameter of the motor fixing seat body 1111, and are used for being matched with and connected with the upper cover 112; the axis of the sealing plate 1112 is provided with a swing hole 1115 adapted to the swing block 122, and the swing block 122 is in clearance fit with the sealing plate 1112. It can be understood that by providing the first suspension member 1113 and the second suspension member 1114, the first suspension member 1113 and the second suspension member 1114 form a pivot point, when the brushhead assembly 13 vibrates, the motor 121 is driven to slightly swing and rotate around the first suspension member 1113 and the second suspension member 1114, thereby providing a guarantee for the swing block 122 to trigger the trigger assembly 14.

In other preferred embodiments, the motor fixing seat main body 1111 is axially provided with a fixing block 1116 on an inner surface thereof, and the motor body 123 is provided with a fixing table 125 adapted to the fixing block 1116 on an outer surface thereof. It can be understood that the fixing block 1116 and the fixing table 125 are arranged to ensure that the motor 121 and the motor fixing base 111 synchronously swing.

In other preferred embodiments, the upper cover 112 includes: an upper cone 1121, a retaining bar 1122, a first fixing hole 1123 and a second fixing hole 1124; the upper cone cover 1121 is clamped with the upper end of the shell 113 along the axial direction; the retaining strip 1122 extends and forms from one end of the upper cone 1121, which is away from the brush head assembly 13, along the axial direction, and one end of the retaining strip 1122, which is away from the upper cone 1121, is clamped with the housing 113; the first fixing hole 1123 is disposed at a junction of the retaining bar 1122 and the upper cone 1121, and is used for connecting the first suspension member 1113; the second fixing hole 1124 is disposed at a junction of the retaining bar 1122 and the upper cone 1121 for connecting the second suspension member 1114. It can be understood that the upper cover 112 is fixedly connected to the housing 113, and the motor fixing seat 111 can swing relative to the upper cover 112, thereby providing a guarantee for the swing block 122 to trigger the triggering assembly 14.

In other preferred embodiments, the driving fixing assembly 11 further includes a motor base plate 114, and the motor base plate 114 is disposed between the PCB 141 and the motor 121 for limiting a swing space of the swing block 122; the motor base plate 114 includes: a ring body 1141, a limit frame 1142 and an elastic member 1143; one end of the swinging block 122, which is far away from the motor 121, is inserted into the limit frame 1142 and is in clearance fit with the limit frame 1142; one end of the elastic member 1143 is connected to the position-limiting frame 1142, and the other end is connected to the inner surface of the circular ring body 1141; the limiting frame 1142 is provided with at least one elastic element 1143 along each of two radial ends of the circular ring body 1141. It is understood that the motor base plate 114 limits the swing of the motor 121 to prevent the motor 121 from damaging other structures of the electric toothbrush 1 due to the violent swing.

In other preferred embodiments, the elastic member 1143 is a U-shaped elastic member 1143, which includes: a first elastic member 1144, a second elastic member 1145, and a third elastic member 1146; the first elastic member 1144 is disposed between the limiting frame 1142 and the ring body 1141; the second elastic element 1145 and the third elastic element 1146 are disposed at an end of the position-limiting frame 1142 away from the first elastic element 1144; the first elastic element 1144, the second elastic element 1145 and the third elastic element 1146 are radially disposed in a delta shape, the first electrode spring piece 142 and the second electrode spring piece 143 are disposed between the second elastic element 1145 and the third elastic element 1146, and the first electrode spring piece 142 is disposed between the second electrode spring piece 143 and the first elastic element 1144. It can be understood that, by setting the elastic member 1143 as the U-shaped elastic member 1143, the elastic member 1143 can timely reset and align the driving assembly 12, and by setting at least one elastic member 1143 on each of the two ends of the limiting frame 1142 along the radial direction of the circular ring main body 1141, the driving assembly 12 is effectively balanced.

Further, the first suspension member 1113 and the second suspension member 1114 are disposed in a cross shape with the first elastic member 1144, the second elastic member 1145 and the third elastic member 1146, so as to ensure that the swing block 122 swings back and forth along the direction of the first elastic member 1144, the second elastic member 1145 and the third elastic member 1146.

Referring further to fig. 9, in a first embodiment of the present invention, there is provided an electric toothbrush 1 comprising: the gum protection structure 10 as described in the above embodiments of the present invention. It can be understood that, by providing the gum protection structure 10 according to the above-mentioned embodiment of the present invention on the electric toothbrush 1, the vibration intensity of the brush head assembly 13 of the electric toothbrush 1 can be monitored in real time, and when the vibration intensity of the brush head assembly 13 exceeds a threshold value, the triggering assembly 14 is triggered, so as to reduce the operating power of the driving assembly 12, so that the electric toothbrush 1 enters a weak gear mode, and gum tissue is effectively protected.

In summary, the invention provides a gum protection structure and an electric toothbrush, wherein the gum protection structure is used for the electric toothbrush and comprises an electric toothbrush body, the electric toothbrush body comprises a driving component and a brush head component in transmission connection with the driving component; the detection mechanism is arranged on the electric toothbrush body and used for detecting the vibration intensity of the driving assembly and the brush head assembly, when the swing amplitude of the driving assembly exceeds a threshold value, the driving assembly triggers the detection mechanism, and the detection mechanism adjusts the running power of the driving assembly when being triggered. It can be understood that by arranging the detection mechanism on the electric toothbrush body, the vibration intensity of the driving assembly and the brush head assembly can be detected in real time; the drive assembly drives when the first subassembly vibrations of brush, also receive the reaction force of first subassembly of brush, and then pass through drive assembly's swing degree can indirect synchronous reflection the vibrations intensity of first subassembly of brush, and then work as when drive assembly amplitude of fluctuation surpassed the threshold value, drive assembly triggers detection mechanism, and then reduces drive assembly's operating power makes electric toothbrush gets into weak grade mode, and then effectual protection gum tissue.

It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.

Claims

1. A gum protection structure for an electric toothbrush, comprising:

2. The gingival protection structure of claim 1, wherein the electric toothbrush body further comprises:

the first end of the driving component along the axial direction is movably connected with the driving fixing component; one end of the brush head component along the axial direction is connected with the first end of the driving component;

when the amplitude of the drive component swing exceeds a threshold value, the drive component triggers the trigger component.

3. The gingival protection structure of claim 2, wherein the trigger assembly comprises:

the PCB board is electrically connected with the driving assembly;

the first electrode elastic sheet is arranged on the PCB;

4. The gingival protection structure of claim 3, wherein the drive assembly comprises:

5. The gingival protection structure of claim 4, wherein the driving fixture assembly comprises:

the motor fixing seat is used for accommodating and fixing the motor body;

the upper cover is detachably connected to the shell.

6. The gingival protection structure of claim 5, wherein the motor holder comprises:

7. The gingival protection structure of claim 5, wherein the upper cover comprises:

8. The gum protection structure of claim 5, wherein the driving fixing assembly further comprises a motor base plate disposed between the PCB and the motor for limiting a swing space of the swing block;

the motor base plate includes:

a ring body;

9. The gingival protection structure of claim 8, wherein the elastic member is a U-shaped elastic member, comprising: a first elastic member, a second elastic member and a third elastic member;

10. An electric toothbrush, comprising: the gingival protection structure of any one of claims 1-9.