CN214908514U - Electric toothbrush - Google Patents

Abstract

The utility model discloses an electric toothbrush, it includes: the electric toothbrush comprises an electric toothbrush body, a brush head assembly and a driving assembly, wherein the electric toothbrush body comprises a driving assembly, a battery assembly electrically connected with the driving assembly and a brush head assembly in transmission connection with the driving assembly; the gum protection structure is arranged on the toothbrush body and used for detecting and adjusting the vibration intensity of the driving assembly and the brush head assembly; the air pressure balance connecting structure is arranged on the electric toothbrush body and is used for connecting the driving assembly and the battery assembly; the rotary switch structure is arranged in the electric toothbrush body and is electrically connected with the driving component and the battery component. The electric toothbrush is adjusted in a rotating mode through the rotary switch structure, so that the waterproof performance of the electric toothbrush is improved; the detection and the adjustment of the vibration intensity of the driving assembly and the brush head assembly are realized through the gum protection structure, so that the gum structure is protected; through setting up the balanced connection structure of atmospheric pressure that is used for connecting drive assembly and battery pack, made things convenient for electric toothbrush's battery pack's change to maintain.

Description

Electric toothbrush

Technical Field

The utility model relates to an electric toothbrush technical field especially relates to 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. The existing electric toothbrush is generally correspondingly provided with a battery and further provides a power supply for the motor, but the battery and the motor in the existing electric toothbrush are generally arranged into an integrated structure, so that the battery of the electric toothbrush cannot be replaced after being consumed, and the service life of the electric toothbrush is further seriously influenced.

Meanwhile, gum tissues are fragile, and when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold, the gum tissues are damaged; meanwhile, in order to protect gingival tissues and enrich the operation modes of the electric toothbrush, the conventional electric toothbrush tissues are usually provided with a press switch to adjust the electric toothbrush to enter different modes for operation, so that the gingival tissues are protected; however, the push switch must be designed with a window on the housing of the electric toothbrush, which seriously affects the appearance integrity of the electric toothbrush; meanwhile, the problem of sealing can be caused after the shell is windowed, and liquid such as water and the like can easily enter the electric toothbrush, so that the internal structure or circuit of the toothbrush is damaged, and the electric toothbrush is damaged.

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

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art not enough, the utility model aims at providing an electric toothbrush, aim at solving among the prior art electric toothbrush waterproof performance poor, easily harm the problem that gum tissue and battery can't be changed.

The utility model provides a technical scheme that technical problem adopted as follows: an electric toothbrush, comprising:

the electric toothbrush comprises an electric toothbrush body and a toothbrush handle, wherein the electric toothbrush body comprises a driving assembly, a battery assembly electrically connected with the driving assembly and a brush head assembly in transmission connection with the driving assembly;

the gum protection structure is arranged on the electric toothbrush body and used for detecting and adjusting the vibration intensity of the driving assembly and the brush head assembly;

the air pressure balance connecting structure is arranged on the electric toothbrush body and is used for connecting the driving assembly and the battery assembly;

the rotary switch structure is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly.

Further, the electric toothbrush body further comprises: driving the fixed component; the first end of the driving component along the axial direction is connected to the driving fixing component in a hanging mode, and one end of the brush head component along the axial direction is connected with the first end of the driving component; the brush head assembly is detachably connected with the driving assembly;

the gum protection structure comprises a trigger component arranged at the opposite lower end of the second end of the driving component along the axial direction, and the trigger component adjusts the operating power of the driving component when being triggered; when the driving component operates, the driving component can swing around the driving fixing component, and when the swing amplitude of the driving component exceeds a threshold value, the driving component triggers the triggering component.

Further, the trigger assembly includes: the PCB 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;

the drive assembly includes: one end of the motor is detachably connected with the brush head assembly; the swinging block is arranged at one end of the motor, which is far away from the brush head assembly, and is arranged at an interval with the first electrode elastic sheet;

the drive securing assembly includes: the motor fixing seat is used for accommodating and fixing the motor; the upper cover is sleeved on the periphery of the motor fixing seat and is rotationally connected with the motor fixing seat; and the motor base is arranged between the PCB and the motor and used for limiting the swinging space of the swinging block.

Furthermore, a first hanging part and a second hanging part are arranged at one end of the motor fixing seat close to the brush head component; the upper cover is provided with a first fixing hole and a second fixing hole at positions corresponding to the first hanging piece and the second hanging piece, the first hanging piece is rotatably connected in the first fixing hole, and the second hanging piece is rotatably connected in the second fixing hole.

Further, the electric toothbrush body further comprises: a battery assembly electrically connected to the drive assembly;

the air pressure balance connection structure comprises: the battery fixing component is detachably connected with the driving fixing component, and the air pressure balance connecting mechanism is arranged on the electric toothbrush body and is used for connecting the driving component and the battery component; the driving fixing component is provided with a joint support, and the driving component is arranged on the driving fixing component; the battery fixing assembly is provided with a bottom shell and a battery front cover, and the battery assembly is arranged on the bottom shell and the battery front cover; the battery assembly is detachably connected with the driving assembly, the joint support is detachably connected with the battery front cover, one end of the air pressure balance connecting mechanism is detachably connected to the bottom shell, the battery assembly and the battery front cover, and the other end of the air pressure balance connecting mechanism is detachably connected to the joint support.

Further, the air pressure balance connection mechanism comprises:

the button is connected with the battery fixing component, the battery component and the joint support in a sliding manner and is provided with a first air passage and a second air passage which are vertically communicated;

the button reset piece is sleeved on the button between the bottom shell and the battery assembly and used for pushing the button to automatically lock the driving assembly;

the air cushion is accommodated in the second air passage and used for sealing the second air passage, and air outlets communicated with the second air passage are arranged at two ends of the air cushion;

wherein, one end of the button is clamped with the joint support.

Further, the rotary switch structure includes: a motherboard assembly; a contact electrode assembly disposed on the main board assembly; the rotary reset assembly is arranged on the main board assembly and is used for controlling the contact electrode assembly to be closed or opened;

the main board assembly includes: the first PCB is fixedly connected to the driving fixing component and electrically connected with the driving component; the second PCB is fixedly connected to the battery component, electrically connected with the battery component and arranged at intervals with the first PCB;

the contact electrode assembly includes: the first contact electrode is arranged on the end face, facing the second PCB, of the first PCB and is electrically connected with the first PCB; and the second contact electrode is arranged on the end face, facing the first PCB, of the second PCB and is electrically connected with the second PCB.

Further, the interval between the first PCB and the second PCB along the axial direction of the electric toothbrush body is smaller than the sum of the heights of the first contact electrode and the second contact electrode along the axial direction of the electric toothbrush body;

the first contact electrode and the second contact electrode are elastic sheet electrodes; or the first contact electrode is set as a spring plate electrode, and the second contact electrode is set as a copper column electrode; or the first contact electrode is a copper column electrode, and the second contact electrode is a spring plate electrode.

Further, the electric toothbrush body also comprises a battery assembly, and the battery assembly is electrically connected with the driving assembly;

the electric toothbrush also comprises a key switch structure and/or a sliding touch switch structure which are arranged on the electric toothbrush body and electrically connected with the battery component and the driving component.

Further, the electric toothbrush body also comprises a battery component and a battery fixing component which are detachably connected, and the battery component is electrically connected with the driving component;

the electric toothbrush is characterized in that the electric toothbrush further comprises an electric quantity display structure arranged on the battery fixing assembly and electrically connected with the battery assembly, the electric quantity display structure comprises a touch switch and an electric quantity indicator light which are electrically connected, the electric quantity indicator light is arranged on the side end face of the battery fixing assembly, and the touch switch is arranged on the end face of the battery fixing assembly far away from the driving assembly.

Compared with the prior art, the utility model provides an electric toothbrush, it includes: the electric toothbrush comprises an electric toothbrush body and a toothbrush handle, wherein the electric toothbrush body comprises a driving assembly, a battery assembly electrically connected with the driving assembly and a brush head assembly in transmission connection with the driving assembly; the gum protection structure is arranged on the electric toothbrush body and used for detecting and adjusting the vibration intensity of the driving assembly and the brush head assembly; the air pressure balance connecting structure is arranged on the electric toothbrush body and is used for connecting the driving assembly and the battery assembly; the rotary switch structure is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. The electric toothbrush is characterized in that a rotary switch structure is arranged in the electric toothbrush body, and the rotary switch structure is electrically connected with the driving assembly and the battery assembly, so that the operation mode of the electric toothbrush can be adjusted in a rotary mode, and meanwhile, the window opening on the electric toothbrush body is avoided, the appearance integrity of the electric toothbrush is protected, and the waterproof performance of the electric toothbrush is improved; through the gum protection structure, the vibration intensity of the driving assembly and the brush head assembly can be detected and adjusted, and the gum structure is effectively protected; through setting up the balanced connection structure of atmospheric pressure that is used for connecting drive assembly and battery pack, made things convenient for electric toothbrush's battery pack's change to maintain.

Drawings

Fig. 1 is a schematic perspective view of an electric toothbrush provided in the present invention;

fig. 2 is a perspective exploded view of the electric toothbrush provided in the present invention;

fig. 3 is a perspective view illustrating a gum protecting structure of the electric toothbrush according to the present invention;

fig. 4 is a perspective exploded view of a gum protection structure of the electric toothbrush provided in the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 4 according to the present invention;

fig. 6 is a schematic front view of a gum protection structure provided in the present invention;

FIG. 7 is a schematic cross-sectional view taken along line I-I of FIG. 6 according to the present invention;

fig. 8 is an enlarged schematic view of a portion B of fig. 7 according to the present invention;

fig. 9 is another exploded perspective view of the gum protection structure of the electric toothbrush provided in the present invention;

fig. 10 is a perspective exploded view of a motor base plate of a driving fixing member of a gum protection structure of an electric toothbrush provided in the present invention;

fig. 11 is a perspective exploded view of the electric toothbrush provided in the present invention;

fig. 12 is a perspective exploded view of the air pressure balance connection structure of the electric toothbrush provided in the present invention;

fig. 13 is a perspective exploded view of another view of the air pressure balance connection structure of the electric toothbrush provided in the present invention;

fig. 14 is a schematic side view of an electric toothbrush provided in the present invention;

figure 15 is a schematic cross-sectional view taken along line iii-iii of figure 14 in accordance with the present invention;

fig. 16 is an enlarged schematic view of the portion D of fig. 13 according to the present invention;

fig. 17 is a perspective exploded view of the air pressure balance connection mechanism of the air pressure balance connection structure of the electric toothbrush provided in the present invention;

fig. 18 is a schematic perspective exploded view showing the fitting relationship among the air pressure balance connection mechanism, the joint bracket and the battery front cover of the air pressure balance connection structure of the electric toothbrush according to the present invention;

fig. 19 is a schematic side view showing the fitting relationship among the air pressure balance connection mechanism, the joint bracket, and the battery front cover of the air pressure balance connection structure of the electric toothbrush according to the present invention;

FIG. 20 is a schematic cross-sectional view taken along line IV-IV of FIG. 19 in accordance with the present invention;

figure 21 is a schematic cross-sectional view taken along line v-v of figure 19 according to the present invention;

fig. 22 is a schematic view of a modified structure of fig. 21 in accordance with the present invention;

fig. 23 is a schematic perspective view of a battery front cover of an air pressure balance connection structure of an electric toothbrush according to the present invention;

fig. 24 is a perspective exploded view of the electric toothbrush provided with a rotary switch structure provided in the present invention;

fig. 25 is a side elevational schematic view of an electric toothbrush provided with a rotary switch structure as provided in the present invention;

FIG. 26 is a schematic sectional view taken along line II-II of FIG. 25 in accordance with the present invention;

fig. 27 is an enlarged schematic view of the portion C in fig. 26 according to the present invention;

fig. 28 is an exploded perspective view of another perspective of the electric toothbrush provided with a rotary switch structure provided in the present invention;

fig. 29 is a schematic perspective view of a rotary switch mechanism of the rotary switch structure provided in the present invention;

fig. 30 is a perspective exploded view of a rotary switch mechanism of the rotary switch structure provided in the present invention;

fig. 31 is a perspective exploded view of the rotary switch mechanism of the rotary switch structure provided in the present invention and the housing mechanism;

description of reference numerals:

1. an electric toothbrush; 10. a gum protection structure; 20. a rotary switch structure; 30. an air pressure balance connection structure; 40. a push-button switch structure; 50. a sliding touch switch structure; 60. an electric quantity display 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; 17. a battery securing assembly; 151. a battery assembly; 171. a bottom case; 172. a battery front cover; 111. a motor fixing seat; 112. an upper cover; 113. a housing; 114. a motor base plate; 115. a second through hole; 116. a joint support; 1161. locking the opening; 1162. a lock section; 1163. an opening part; 1164. a containing end; 1165. fixing the step end; 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. a third elastic member; 21. a rotary switch mechanism; 22. a housing mechanism; 211. a motherboard assembly; 212. a contact electrode assembly; 213. rotating the reset assembly; 2111. a first PCB board; 2112. a second PCB board; 2113. a first through hole; 2114. Fixing the bolt; 2121. a first contact electrode; 2122. a second contact electrode; 2131. a torsion spring body; 2132. A first fixed part; 2133. a second fixed part; 31. an air pressure balance connection mechanism; 32. a button; 33. a button reset; 34. an air cushion; 341. an air outlet; 321. a button body; 322. a housing limiting part; 323. an actuation locking portion; 324. a seal ring; 3211. a limiting step; 3212. a pressing part; 3213. a first air passage; 3214. a sealing groove; 3221. a second air passage; 3231. a disengaging end; 3232. a locking end; 61. a touch switch; 62. an electric quantity indicator light; 1711. a button slot; 1721. a reset groove; 1722. a button hole; 1723. and (5) fixing the step.

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 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 drawings are exemplary only for the purpose of explaining the present invention, and should not 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 the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning 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. The existing electric toothbrush is generally correspondingly provided with a battery and further provides a power supply for the motor, but the battery and the motor in the existing electric toothbrush are generally arranged into an integrated structure, so that the battery of the electric toothbrush cannot be replaced after being consumed, and the service life of the electric toothbrush is further seriously influenced. Meanwhile, gum tissues are fragile, and when the vibration force of the bristles of the electric toothbrush exceeds a certain threshold, the gum tissues are damaged; meanwhile, in order to protect gingival tissues and enrich the operation modes of the electric toothbrush, the conventional electric toothbrush tissues are usually provided with a press switch to adjust the electric toothbrush to enter different modes for operation, so that the gingival tissues are protected; however, the push switch must be designed with a window on the housing of the electric toothbrush, which seriously affects the appearance integrity of the electric toothbrush; meanwhile, the problem of sealing can be caused after the shell is windowed, and liquid such as water and the like can easily enter the electric toothbrush, so that the internal structure or circuit of the toothbrush is damaged, and the electric toothbrush is damaged.

The utility model provides an electric toothbrush based on the problems of poor waterproof performance of the electric toothbrush, easy damage to gum tissue and incapability of replacing batteries in the prior art, through arranging a rotary switch mechanism, arranging the rotary switch mechanism in the electric toothbrush body, and electrically connecting a driving assembly and a battery assembly through the rotary switch mechanism, further adjusting the running mode of the electric toothbrush through a rotary mode, and simultaneously avoiding opening a window on the electric toothbrush body, thereby not only protecting the appearance integrity of the electric toothbrush, but also improving the waterproof performance of the electric toothbrush; through the gum protection structure, the vibration intensity of the driving assembly and the brush head assembly can be detected and adjusted, and the gum structure is effectively protected; the replacement and maintenance of the battery assembly of the electric toothbrush are facilitated by arranging the air pressure balance connection structure for connecting the driving assembly and the battery assembly; reference will be made in detail to the following examples.

Referring to fig. 1 and 2, in a first embodiment of the present invention, an electric toothbrush 1 is provided, which includes an electric toothbrush body 15, a gum protection structure 10, an air pressure balance connection structure 30 and a rotary switch structure 20; the electric toothbrush body 15 comprises a driving assembly 12 and a brush head assembly 13 in transmission connection with the driving assembly 12; the gum protection structure 10 is arranged on the electric toothbrush body 15 and used for detecting and adjusting the vibration intensity of the driving assembly 12 and the brush head assembly 13; the air pressure balance connecting structure 30 is arranged on the electric toothbrush body 15 and is used for connecting the driving assembly 12 and the battery assembly 151; the rotary switch structure 20 is disposed in the electric toothbrush body 15 and electrically connects the driving assembly 12 and the battery assembly 151.

It can be understood that, through setting up rotation type switch structure 20, and will rotation type switch structure 20 set up in the electric toothbrush body 15, and through rotation type switch structure 20 electricity is connected drive assembly 12 and battery pack 151, and then can adjust through rotatory mode electric toothbrush 1's operational mode, simultaneously, also avoided windowing on the electric toothbrush body 15, both protected electric toothbrush 1's outward appearance wholeness, promoted again electric toothbrush 1's waterproof performance. Meanwhile, by arranging the gum protection structure 10 and arranging the gum protection structure 10 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 gum protection structure 10, and then reduces drive assembly 12's operating power makes electric toothbrush 1 gets into weak grade mode, and then effectual protection gum tissue. Meanwhile, the driving assembly 12 and the battery assembly 151 are detachably connected, so that a guarantee is provided for replacement and maintenance of the battery assembly 151, and the air pressure balance connecting structure 30 for connecting the driving assembly 12 and the battery assembly 151 is arranged, so that replacement and maintenance of the battery assembly 151 of the electric toothbrush 1 are further facilitated, and the service life of the electric toothbrush 1 is prolonged.

In some embodiments, the electric toothbrush body 15 further comprises a battery assembly 151, the battery assembly 151 being electrically connected to the drive assembly 12; the electric toothbrush 1 further comprises a push-button switch structure 40 and/or a sliding touch switch structure 50 disposed on the electric toothbrush body 15 and electrically connected to the battery assembly 151 and the driving assembly 12.

It can be understood that, through setting up key switch structure 40 and/or sliding touch switch structure 50, not only can effectual promotion electric toothbrush 1's whole aesthetic property, can also make simultaneously electric toothbrush 1 possesses many gears working mode, and then possesses different operating modes, satisfies different users' oral cavity demand.

In some embodiments, the electric toothbrush body 15 further comprises a battery securing assembly 17 removably connected to the battery assembly 151, the battery assembly 151 being electrically connected to the drive assembly 12; the electric toothbrush 1 further comprises an electric quantity display structure 60 arranged on the battery fixing component 17 and electrically connected with the battery component 151, the electric quantity display structure 60 comprises a touch switch 61 and an electric quantity indicator lamp 62 which are electrically connected, the electric quantity indicator lamp 62 is arranged on the side end face of the battery fixing component 17, and the touch switch 61 is arranged on the end face of the battery fixing component 17 far away from the driving component 12.

It can be understood that by setting the electric quantity display structure 60, the user can know the remaining electric quantity of the electric toothbrush 1 without turning on the electric toothbrush 1 and timely supplement the electric quantity, thereby effectively avoiding the problem that the user cannot use the electric toothbrush due to the electric quantity loss of the battery pack 151; meanwhile, the residual capacity of the battery pack 151 is further intuitively fed back through the setting of the electric quantity indicator lamp 62, and the touch switch 61 is arranged, so that the touch switch 61 is triggered to turn on the electric quantity indicator lamp 62 only when the residual capacity of the electric toothbrush 1 needs to be observed, and the electric quantity indicator lamp 62 can be controlled to be turned off at regular time in a timing mode, so that the electric energy of the electric toothbrush 1 is effectively saved, and the cruising ability of the battery toothbrush is improved.

Referring further to fig. 3 and 8, in a second embodiment of the present invention, an electric toothbrush 1 is provided, wherein the electric toothbrush 1 includes a gum protection structure 10, and the gum protection structure 10 includes 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.

In other preferred embodiments, a first end of the driving assembly 12 along the axial direction is connected to the driving fixing assembly 11 in a hanging manner, and one end of the brush head assembly 13 along the axial direction is connected to the first end of the driving assembly 12; the brush head assembly 13 is detachably connected with the driving assembly 12;

the gum protecting structure 10 comprises a trigger assembly 14 disposed at a lower end of the driving assembly 12, wherein the trigger assembly 14 adjusts the operating power of the driving assembly 12 when triggered; when the driving component 12 is operated, the driving component 12 can swing around the driving fixing component 11, and when the swing amplitude of the driving component 12 exceeds a threshold value, the driving component 12 triggers the triggering component 14.

The trigger assembly 14 includes: a PCB board 141 electrically connected to the driving assembly 12; a first electrode dome 142 disposed on the PCB 141; a second electrode spring 143 disposed on the PCB 141 and spaced apart from the first electrode spring 142; the first electrode spring 142 is disposed between the second electrode spring 143 and the second end of the driving assembly 12; the drive assembly 12 includes: a motor 121 having one end detachably connected to the brush head assembly 13; the swinging block 122 is arranged at one end of the motor 121 far away from the brush head assembly 13 and is arranged at an interval with the first electrode elastic sheet 142; the driving fixing assembly 11 includes: a motor fixing seat 111 for accommodating and fixing the motor 121; an upper cover 112 sleeved on the periphery of the motor fixing seat 111 and rotatably connected with the motor fixing seat 111; and a motor base arranged between the PCB 141 and the motor 121 for limiting the swing space of the swing block 122.

A first hanging part 1113 and a second hanging part 1114 are arranged at one end of the motor fixing seat 111 close to the brush head assembly 13; the upper cover 112 is provided with a first fixing hole 1123 and a second fixing hole 1124 at positions corresponding to the first hanger 1113 and the second hanger 1114, the first hanger 1113 is rotatably connected to the first fixing hole 1123, and the second hanger 1114 is rotatably connected to the second fixing hole 1124.

Referring further to fig. 5, in other preferred embodiments, the electric toothbrush body 15 further comprises: the first end of the driving component 12 along the axial direction is connected with the driving fixing component 11 in a hanging way; 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 connecting the first end of the driving component 12 along the axial direction with the driving fixing component 11 in a suspension manner, so that the first end of the driving component 12 along the axial direction swings with the driving fixing component 11, and 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 connected with the driving fixing component 11 in a suspension manner, so that the driving component 12 swings synchronously, and further by the swinging degree of the driving component 12, the vibration intensity of the brush head component 13 can be indirectly reflected, and by providing the triggering component 14 at the opposite lower end of the second end of the driving component 12 along the axial direction, when the swing amplitude of the driving component 12 exceeds a threshold value, the driving component 12 presses against and triggers the triggering component 14, and further the operating power of the driving component 12 is reduced, so that the electric toothbrush 1 enters a weak gear mode, and gum tissues are 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. 6-8, 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. 9 to 10, 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 connected with the motor fixing seat 111 in a hanging manner; 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 both 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, wherein the motor base plate 114 is disposed between the PCB 141 and the motor 121, and is used 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. 11 and 23, in a third embodiment of the present invention, an electric toothbrush 1 is provided, wherein the electric toothbrush 1 includes an air pressure balance connection structure 30, and the air pressure balance connection structure 30 includes an air pressure balance connection mechanism 31; the electric toothbrush body 15 comprises a driving component 12 and a battery component 151, the battery component 151 is electrically connected with the driving component 12 and used for providing energy for the driving component 12, and the air pressure balance connecting mechanism 31 is arranged on the electric toothbrush body 15 and used for connecting the driving component 12 and the battery component 151.

It can be understood that, by detachably connecting the driving assembly 12 and the battery assembly 151, a guarantee is provided for replacement and maintenance of the battery assembly 151, and by providing the air pressure balance connection mechanism 31 for connecting the driving assembly 12 and the battery assembly 151, replacement and maintenance of the battery assembly 151 of the electric toothbrush 1 are further facilitated, and the service life of the electric toothbrush 1 is prolonged. It should be noted that the electric toothbrush body 15 further includes a brush head assembly 13, and the brush head assembly 13 is in transmission connection with the driving assembly 12 and is disposed on one end of the driving assembly 12 away from the battery assembly 151 along the axial direction of the electric toothbrush body 15.

In other preferred embodiments, the electric toothbrush body 15 further comprises: a battery assembly 151 electrically connected to the driving assembly 12; the air pressure balance connection structure 30 includes: a drive fixing component 11 and a battery fixing component 17 which are detachably connected, and an air pressure balance connecting mechanism 31 which is arranged on the electric toothbrush body 15 and is used for connecting the drive component 12 and the battery component 151; the driving fixing component 11 is provided with a joint support 116, and the driving component 12 is arranged on the driving fixing component 11; the battery fixing assembly 17 is provided with a bottom case 171 and a battery front cover 172, and the battery assembly 151 is provided on the bottom case 171 and the battery front cover 172; wherein, battery pack 151 and drive assembly 12 can be dismantled and be connected, connect support 116 with battery protecgulum 172 can be dismantled and be connected, the one end of atmospheric pressure balanced coupling mechanism 31 can be dismantled connect in on drain pan 171, battery pack 151 and the battery protecgulum 172, the other end of atmospheric pressure balanced coupling mechanism 31 can be dismantled connect in connect on the support 116.

The air pressure balance connection mechanism 31 includes: the button 32 is connected with the battery fixing component 17, the battery component 151 and the joint bracket 116 in a sliding way and is provided with a first air passage 3213 and a second air passage 3221 which are vertically communicated; a button reset member 33 sleeved on the button 32 between the bottom case 171 and the battery assembly 151 for pushing the button 32 to automatically lock the driving assembly 12; an air cushion 34 accommodated in the second air passage 3221 and used for sealing the second air passage 3221, wherein an air outlet 341 communicated with the second air passage 3221 is arranged at two ends of the air cushion 34; wherein, one end of the button 32 is clamped with the joint support 116.

In other preferred embodiments, the air pressure balance connecting structure 30 further comprises a driving fixing component 11 and a battery fixing component 17, wherein the driving fixing component 11 and the battery fixing component 17 are detachably connected; the driving assembly 12 is arranged on the driving fixing assembly 11, and the battery assembly 151 is arranged on the battery fixing member; it is understood that the driving component 12 is fixed on the driving fixing component 11, and the battery component 151 is fixed on the battery fixing component, that is, the driving fixing component 11 and the battery fixing component 17 are detachably connected, that is, a detachable connection between the battery component 151 and the driving component 12 is provided.

Further, the driving fixing component 11 is provided with a joint support 116, and the joint support 116 is disposed at one end of the driving fixing component 11 combined with the battery fixing component 17, that is, one end of the joint support 116 is provided with the driving component 12, and the other end is provided with the battery component 151. The battery fixing assembly 17 is provided with a bottom case 171 and a battery front cover 172, the battery assembly 151 is disposed between the bottom case 171 and the battery front cover 172, and the battery front cover 172 is disposed at one end of the bottom case 171 facing the driving fixing assembly 11;

it should be noted that the battery assembly 151 is detachably connected to the driving assembly 12, the joint bracket 116 is detachably connected to the battery front cover 172, one end of the air pressure balance connection mechanism 31 is detachably connected to the bottom case 171, the battery assembly 151 and the battery front cover 172, and the other end of the air pressure balance connection mechanism 31 is detachably connected to the joint bracket 116.

Referring further to fig. 14, the battery assembly 151 and the battery fixing assembly 17 are disposed as a power supply base 18, and the driving assembly 12, the driving fixing assembly 11 and the brush head assembly 13 form a toothbrush handle 19; the air pressure balance connecting mechanism 31 is arranged on the power supply seat 18, when the electric toothbrush 1 is used, the power supply seat 18 and the toothbrush handle 19 are connected in a long-distance mode, and when the battery component 151 needs to be detached, the power supply seat 18 can be detached from the toothbrush handle 19; meanwhile, the disassembled power supply base 18 can also be used as a mobile power supply.

It can be understood that the air pressure balance connecting mechanism 31 is fixed on one side of the battery assembly 151 and the battery fixing assembly 17, when the electric toothbrush 1 is assembled, the battery assembly 151 and the driving assembly 12 are detachably connected, and then are electrically connected after being connected, and when the battery assembly 151 and the driving assembly 12 are connected, the battery fixing assembly 17 and the driving fixing assembly 11 are also in a state of being connected with each other; thereby providing a guarantee for replacement and maintenance of the battery assembly 151.

Referring further to fig. 15 to 16, in other preferred embodiments, the air pressure balance connection mechanism 31 includes: a button 32 and a button reset 33; the button 32 is connected with the battery fixing component 17, the battery component 151 and the joint bracket 116 in a sliding manner from outside to inside in sequence along the radial direction of the electric toothbrush body 15; the button reset member 33 is sleeved on the button 32 between the bottom case 171 and the battery assembly 151, and is used for pushing the button 32 to automatically lock the driving assembly 12.

It can be understood that, in the air pressure balance connection mechanism 31 provided in this embodiment, whether the battery assembly 151 and the driving assembly 12 can be detached is controlled by the air pressure balance connection mechanism 31, the battery fixing assembly 17 and the driving fixing assembly 11 are connected by the button 32, and then the battery assembly 151 and the driving assembly 12 are connected, and meanwhile, the button 32 can slide relative to the electric toothbrush body 15 and reset under the action of the button resetting piece 33, and then the connection and the detachment between the battery assembly 151 and the driving assembly 12 are realized.

Referring further to fig. 17, in still other preferred embodiments, the button 32 includes: a button body 321, a housing stopper 322, and a drive lock 323; the housing stopper 322 is disposed at one end of the button body 321 in the length direction, and is used for limiting the button body 321 in the bottom case 171; the driving locking part 323 is disposed at an end of the button body 321 away from the housing stopper 322 in the length direction, and is used for locking and fixing the connector holder 116.

It is understood that the user can detach or attach the battery assembly 151 and the driving assembly 12 by pressing the housing stopper 322; the driving locking part 323 is used for connecting the battery assembly 151 and the driving assembly 12; that is, when the battery pack 151 is mounted, the case stopper 322 of the button 32 is pressed; after assembly, the shell limiting part 322 is loosened, the driving locking part 323 of the button 32 is driven, and the battery assembly 151 and the driving assembly 12 are locked and fixed by the driving locking part 323 under the action of the button resetting piece 33; when the battery assembly 151 is disassembled, the battery assembly 151 and the battery fixing assembly 17 can be removed by pressing the shell limiting part 322 of the button 32; thereby facilitating the removal and installation operations of the battery pack 151 of the electric toothbrush 1.

In other preferred embodiments, the housing position-limiting portion 322 includes a position-limiting step 3211, and a pressing portion 3212 disposed at an end of the position-limiting step 3211 away from the button body 321; the end of the bottom case 171 facing the driving fixing assembly 11 is provided with a button groove 1711; the aperture of the button groove 1711 is smaller than the outer diameter of the limit step 3211, the limit step 3211 is matched with the inner surface of the bottom case 171, and the pressing portion 3212 is slidably connected with the button groove 1711; it can be understood that the limit step 3211 of the housing limiting portion 322 is accommodated in the bottom case 171, the pressing portion 3212 can slide relative to the button groove 1711 and can partially extend out of the bottom case 171, so that a user can press the button 32 conveniently, the battery assembly 151 of the electric toothbrush 1 can be quickly detached or installed, the button 32 is also effectively prevented from being separated from the bottom case 171, and the limit step 3211 can also effectively seal the button groove 1711, thereby improving the sealing performance of the electric toothbrush 1.

With further reference to fig. 18 to 23, a reset groove 1721 and a button hole 1722 formed at an axial center of the reset groove 1721 are formed in the front battery cover 172 corresponding to the button groove 1711, and a fixing step 1723 is formed at a joint of the button hole 1722 and the reset groove 1721; the button body 321 is slidably connected with the button hole 1722; the button reset piece 33 is a reset spring, one end of the button reset piece 33 is fixed on the end surface of the limit step 3211 departing from the pressing portion 3212, the other end of the button reset piece 33 is fixed between the reset groove 1721 and the fixed step 1723, and the button body 321 is slidably connected with the button hole 1722.

It can be understood that one end of the button reset element 33 abuts against the end surface of the limiting step 3211 far away from the pressing portion 3212, one end of the button reset element 33 abuts against the groove bottom of the reset groove 1721, and one end of the button reset element 33 far away from the limiting step 3211 is sleeved on the outer peripheral surface of the fixing step 1723, so that the button 32 can slide relative to the battery fixing assembly 17, the battery assembly 151, the driving assembly 12 and the driving fixing assembly 11, thereby providing a guarantee for quickly detaching or installing the battery assembly 151 of the electric toothbrush 1.

In other preferred embodiments, a first air duct 3213 is disposed at an axial center of the button body 321, and a second air duct 3221 extending along a circumferential direction of the electric toothbrush body 15 and vertically communicating with the first air duct 3213 is disposed on the housing limiting portion 322; the air pressure balance connection mechanism 31 further includes: an air cushion 34 accommodated in the second air passage 3221 and used for sealing the second air passage 3221; wherein, air outlets 341 communicating with the second air passage 3221 are disposed at two ends of the air cushion 34 along the circumferential direction of the electric toothbrush body 15. The outer circumference of the button body 321 is annularly provided with a sealing groove 3214, the button 32 further includes a sealing ring 324, and the sealing ring 324 is sleeved in the sealing groove 3214.

It can be understood that, by opening the first air passage 3213 and the second air passage 3221 on the button 32, providing the air cushion 34, and providing the air outlet 341 on the air cushion 34, and in an assembled state, the air outlet 341 of the air cushion 34 is only pressed against the inner surface of the bottom case 171 under the action of the button resetting member 33, so as to be sealed, the sealing ring 324 is used for sealing the button hole 1722, so as to effectively improve the sealing performance of the electric toothbrush 1.

When the power socket 18 (the battery assembly 151 and the battery fixing assembly 17) is disassembled, after the button 32 is pressed, the air outlet 341 of the air cushion 34 is separated from the inner surface of the bottom shell 171, so that the external air enters the interior of the electric toothbrush body 15, and the disassembly of the power socket 18 is facilitated; meanwhile, when the power socket 18 is installed, the button 32 is pressed to compress the button resetting member 33, the joint bracket 116 of the toothbrush handle 19 (the driving assembly 12, the driving fixing assembly 11 and the brush head assembly 13) is clamped on the driving locking portion 323 of the button 32, at this time, the button 32 is released, the button resetting member 33 pushes the button 32 to reset towards the bottom case 171, so that the air outlet 341 of the air cushion 34 contacts the inner surface of the bottom case 171 to be sealed, so that a closed space is formed inside the electric toothbrush body 15, the return spring is completely reset at this time, the air cushion 34 is set to be an elastic air cushion 34, and then the button resetting member 33 continues to push the button 32 to move out of the electric toothbrush body 15, at this time, the air cushion 34 is compressed, so that a negative pressure state is formed inside the electric toothbrush 1, the waterproof performance of the electric toothbrush body 15 is improved, and the connection stability of the power supply seat 18 and the toothbrush handle 19, that is, the connection stability between the battery pack 151 and the driving assembly 12 is improved.

In other preferred embodiments, the driving locking part 323 comprises a release end 3231 and a locking end 3232 which are integrally formed, the locking end 3232 is disposed at an end of the release end 3231 far away from the housing stopper 322, and the outer diameter of the release end 3231 is smaller than that of the locking end 3232; the joint support 116 is correspondingly provided with a locking port 1161 extending along the axial direction of the joint support 116, the locking port 1161 includes a locking part 1162, and an opening 1163 arranged on one side of the locking part 1162 close to the battery assembly 151; the outer diameter of the locking end 3232 is smaller than the inner diameter of the locking part 1162, the outer diameter of the releasing end 3231 is smaller than the inner diameters of the locking part 1162 and the opening part 1163, and the size of the joint of the opening part 1163 and the locking part 1162 is smaller than the maximum outer diameter of the locking part 1162.

It can be understood that the locking end 3232 is engaged with the locking portion 1162 of the connector bracket 116, the releasing end 3231 can freely go in and out of the locking port 1161, and then when the battery assembly 151 is installed, the button 32 is pressed down, so that the releasing end 3231 is in the same plane as the locking port 1161, at this time, when the power supply socket 18 is inserted along the axial direction of the electric toothbrush body 15, the releasing end 3231 sequentially enters the opening portion 1163 and the locking portion 1162, and then when the button 32 is released, the locking portion 1162 slides into the locking portion 1162, the button 32 is fixedly connected with the connector bracket 116, and finally, the fixed connection for fixing the battery assembly 151 and the driving assembly 12 is achieved.

In other preferred embodiments, the locking portion 1162 includes: a receiving end 1164 and a fixed step end 1165; the accommodating end 1164 is matched with the locking end 3232; the fixing step end 1165 is disposed at one side of the accommodating end 1164 close to the shell limiting portion 322; wherein the inner diameter of the fixed step end 1165 is smaller than the outer diameter of the locking end 3232, and the outer diameter of the disengagement end 3231 is smaller than the inner diameter of the fixed step end 1165; the size of the joint of the opening portion 1163 and the locking portion 1162 is smaller than the maximum outer diameter of the locking portion 1162, and the maximum outer diameter of the disengagement portion is smaller than the size of the joint of the opening portion 1163 and the locking portion 1162.

It can be understood that, after the disengagement portion slides into the locking portion 1162, the button resetting member 33 pushes the button 32, so that the locking end 3232 slides into the receiving end 1164 and is stopped by the fixing step end 1165, and finally the assembly of the power socket 18 and the toothbrush handle 19 is completed, and by controlling the relative sizes among the fixing step end 1165, the receiving end 1164, the locking end 3232 and the disengagement end 3231, the button 32 is effectively prevented from being accidentally disengaged from the connector bracket 116, and the connection strength between the battery assembly 151 and the driving assembly 12 is improved.

In other preferred embodiments, the receiving end 1164 is tapered to engage the locking end 3232, and the inner diameter of the receiving end 1164 decreases in a direction toward the fixed step end 1165; the opening portion 1163 is formed in a bell mouth shape, and an inner diameter of the opening portion 1163 decreases in a direction toward the locking portion 1162.

It can be appreciated that by mating the receiving end 1164 with the locking end 3232, the locking end 3232 can be guided when mating with the receiving end 1164, so that the locking end 3232 can be conveniently slid into the receiving end 1164; the opening 1163 is flared to facilitate the engagement of the connector holder 116 with the button 32.

Referring further to fig. 24 and 31 in combination, in a fourth embodiment of the present invention, there is provided an electric toothbrush 1, wherein the electric toothbrush 1 includes a rotary switch structure 20, and the rotary switch structure 20 includes a rotary switch mechanism 21; the electric toothbrush body 15 comprises a driving component 12 and a battery component 151, wherein the battery component 151 is electrically connected with the driving component 12; the rotary switch mechanism 21 is disposed in the electric toothbrush body 15 and electrically connects the driving assembly 12 and the battery assembly 151.

It can be understood that the operation mode of the electric toothbrush 1 can be adjusted in a rotating manner by arranging the rotary switch mechanism 21, arranging the rotary switch mechanism 21 in the electric toothbrush body 15, and electrically connecting the driving assembly 12 and the battery assembly 151 through the rotary switch mechanism 21; meanwhile, the window opening is also avoided on the electric toothbrush body 15, so that the appearance integrity of the electric toothbrush 1 is protected, and the waterproof performance of the electric toothbrush 1 is improved. It should be noted that the electric toothbrush body 15 further includes a brush head assembly 13, and the brush head assembly 13 is in transmission connection with the driving assembly 12 and is disposed on one end of the driving assembly 12 away from the battery assembly 151 along the axial direction of the electric toothbrush body 15.

In other preferred embodiments, the rotary switch structure 20 includes: a motherboard assembly 211; a contact electrode assembly 212 disposed on the main board assembly 211; a rotary reset assembly 213 disposed on the main plate assembly 211 for controlling the contact electrode assembly 212 to be turned on or off; the main board assembly 211 includes: a first PCB 2111 fixedly connected to the driving fixing component 11 and electrically connected to the driving component 12; a second PCB 2112 fixedly attached to the battery assembly 151, electrically connected to the battery assembly 151, and spaced apart from the first PCB 2111; the contact electrode assembly 212 includes: a first contact electrode 2121 disposed on an end surface of the first PCB 2111 facing the second PCB 2112 and electrically connected to the first PCB 2111; and a second contact electrode 2122 disposed on an end surface of the second PCB 2112 facing the first PCB 2111 and electrically connected to the second PCB 2112.

The first PCB 2111 and the second PCB 2112 are spaced apart in the axial direction of the electric toothbrush body 15 by less than the sum of the heights of the first contact electrode 2121 and the second contact electrode 2122 in the axial direction of the electric toothbrush body 15; the first contact electrode 2121 and the second contact electrode 2122 are elastic sheet electrodes; or, the first contact electrode 2121 is set as a spring plate electrode, and the second contact electrode 2122 is set as a copper column electrode; or, the first contact electrode 2121 is a copper pillar electrode, and the second contact electrode 2122 is a spring plate electrode.

Referring to fig. 29 to fig. 31, in another preferred embodiment, the rotary switch mechanism 21 includes: a main plate assembly 211, a contact electrode assembly 212, and a rotary reset assembly 213; the contact electrode assembly 212 is disposed on the main board assembly 211; a rotary reset assembly 213, wherein the rotary reset assembly 213 is disposed on the main plate assembly 211 and is used for controlling the contact electrode assembly 212 to be closed or opened.

It can be understood that various circuit structures and circuit components are arranged in the motherboard assembly 211, and the specific arrangement manner of the circuit structures and the circuit components is the prior art, which is not specifically described in detail in this implementation; the contact electrode assembly 212 is disposed on the main board assembly 211 and electrically connected to the main board assembly 211; the contact electrode assembly 212 is triggered to be closed (electrically connected) in a rotating manner, and then the contact electrode assembly 212 is controlled to reset through the rotating reset assembly 213, so that the guarantee is provided for continuously adjusting different operation modes of the electric toothbrush 1; that is, when the contact electrode assembly 212 is triggered, the rotary reset assembly 213 is compressed, and after the electric toothbrush body 15 is released, the rotary reset assembly 213 automatically resets.

In other preferred embodiments, the rotary switch structure 20 further includes a housing mechanism 22, and it is understood that the driving assembly 12, the battery assembly 151 and the rotary switch mechanism 21 are accommodated and fixed in the housing mechanism 22.

Further, the housing mechanism 22 includes: a drive fixing assembly 11 and a battery fixing assembly 17; the driving assembly 12 is disposed on the driving fixing assembly 11, and the battery assembly 151 is disposed on the battery fixing assembly 17; wherein, the driving fixing component 11 and the battery fixing component 17 are arranged separately.

It is understood that the battery pack 151 is disposed on the battery fixing assembly 17 by separately disposing the driving fixing assembly 11 and the battery fixing assembly 17 and disposing the driving assembly 12 on the driving fixing assembly 11; thereby providing a safeguard for the rotary switch mechanism 21 to be disposed between the drive assembly 12 and the battery assembly 151.

In other preferred embodiments, the main board assembly 211 includes: a first PCB board 2111 and a second PCB board 2112; the first PCB 2111 is fixedly connected to the driving fixing component 11 and electrically connected to the driving component 12; the second PCB 2112 is fixedly connected to the battery assembly 151 and electrically connected to the battery assembly 151; wherein the first PCB 2111 and the second PCB 2112 are spaced apart from each other in the axial direction of the electric toothbrush body 15.

It can be understood that, by arranging the main board assembly 211 as the first PCB 2111 and the second PCB 2112 and controlling the first PCB 2111 and the second PCB 2112 to be arranged at intervals along the axial direction of the electric toothbrush body 15, the relative rotation between the first PCB 2111 and the second PCB 2112 can be controlled, and thus the arrangement of the rotary switch mechanism 21 between the driving assembly 12 and the battery assembly 151 is ensured.

In other preferred embodiments, the contact electrode assembly 212 includes: a first contact electrode 2121 and a second contact electrode 2122; the first contact electrode 2121 is disposed on an end surface of the first PCB 2111 facing the second PCB 2112, and is electrically connected to the first PCB 2111; the second contact electrode 2122 is disposed on an end surface of the second PCB 2112 facing the first PCB 2111, and is electrically connected to the second PCB 2112; the first contact electrode 2121 and the second contact electrode 2122 are electrically connected to each other when they are in contact with each other.

It can be understood that the first PCB 2111 and the driving assembly 12 are fixedly connected to the driving fixing assembly 11, the second PCB 2112 and the battery assembly 151 are fixedly connected to the battery assembly 151, and the driving fixing assembly 11 and the battery assembly 151 are separately disposed; while the first contact electrode 2121 is disposed on the first PCB board 2111 and the second contact electrode 2122 is disposed on the second PCB board 2112; it can be understood that the first contact electrode 2121, the first PCB 2111, the driving assembly 12 and the driving fixing assembly 11 can rotate relative to the second contact electrode 2122, the second PCB 2112, the battery assembly 151 and the battery fixing assembly 17, so as to achieve the rotary adjustment control of the operation mode of the electric toothbrush 1.

In other preferred embodiments, the first PCB 2111 is configured as a stationary PCB and the second PCB 2112 is configured as a rotating PCB; the first contact electrode 2121 is vertically disposed on the first PCB 2111, the second contact electrode 2122 is vertically disposed on the second PCB 2112, and an axial interval between the first PCB 2111 and the second PCB 2112 along the electric toothbrush body 15 is smaller than a sum of heights of the first contact electrode 2121 and the second contact electrode 2122 along the electric toothbrush body 15 in the axial direction.

It can be understood that by controlling the axial interval of the first PCB 2111 and the second PCB 2112 along the electric toothbrush body 15 to be smaller than the sum of the heights of the first contact electrode 2121 and the second contact electrode 2122 along the axial direction of the electric toothbrush body 15, it is ensured that the first contact electrode 2121 and the second contact electrode 2122 are partially overlapped in the axial direction of the electric toothbrush body 15, and it is ensured that the first contact electrode 2121 and the second contact electrode 2122 can contact each other when the rotary switch structure 20 is rotated; of course, after the first contact electrode 2121 and the second contact electrode 2122 can contact each other, the first contact electrode 2121 and the second contact electrode 2122 are separated from contact with each other by the rotary reset assembly 213; that is, the operation mode of the electric toothbrush 1 can be adjusted only when the first and second contact electrodes 2121 and 2122 are in contact with each other, and after the operation mode of the power toothbrush is adjusted, there is no contact between the first and second contact electrodes 2121 and 2122.

In other preferred embodiments, the first contact electrode 2121 and/or the second contact electrode 2122 are provided as elastic sheet electrodes; it is understood that the first contact electrode 2121 and the second contact electrode 2122 can be both provided as elastic sheet electrodes; or, either the first contact electrode 2121 or the second contact electrode 2122 is an elastic sheet electrode; by setting the first contact electrode 2121 and/or the second contact electrode 2122 as elastic sheet electrodes, the first contact electrode 2121 and/or the second contact electrode 2122 can have a certain elastic deformation capability, so that damage to the structure of the first contact electrode 2121 and/or the second contact electrode 2122 due to an excessive force applied to rotate the rotary switch structure 20 is effectively avoided, and the practical life of the rotary switch structure 20 is ensured.

In other preferred embodiments, the first contact electrode 2121 is configured as a dome electrode, and the second contact electrode 2122 is configured as a copper pillar electrode; or, the first contact electrode 2121 is a copper pillar electrode, and the second contact electrode 2122 is a spring plate electrode.

It is understood that, by setting any one of the first contact electrode 2121 and the second contact electrode 2122 as a spring electrode, the other one is correspondingly set as a copper pillar electrode; and then, soft contact between the first contact electrode 2121 and the second contact electrode 2122 is ensured, and the situation that the first contact electrode 2121 and the second contact electrode 2122 are insufficient in strength and cannot timely and effectively stop the continuous rotation of the rotary switch structure 20 is avoided, so that damage to other structures of the rotary switch structure 20 is avoided, the rotary adjustment of the electric toothbrush 1 is ensured, and the service life of the electric toothbrush 1 is also ensured.

In other preferred embodiments, the rotary return assembly 213 is provided as a torsion spring; it can be understood that, by setting the rotary reset component 213 as a torsion spring, the timely reset of other structures of the rotary switch structure 20 is ensured, the cost of the rotary switch structure 20 is reduced, and the operation stability of the rotary switch is improved.

Further, the torsion spring includes: a torsion spring body 2131, a first fixing portion 2132 and a second fixing portion 2133; one end of the first fixing portion 2132 is connected to one end of the torsion spring body 2131, and the other end of the first fixing portion 2132 is connected to the first PCB 2111 and the driving fixing assembly 11; one end of the second fixing portion 2133 is connected to one end of the torsion spring body 2131, which is away from the first fixing portion 2132, and the other end of the second fixing portion 2133 is connected to the second PCB 2112.

It can be understood that the first PCB 2111 and the driving fixing component 11 can rotate relative to the second PCB 2112, the torsion spring body 2131 is a spiral structure, and is also a main elastic deformation part, the first PCB 2111 and the driving fixing component 11 are connected through the first fixing portion 2132, then the second PCB 2112 is connected through the second fixing portion 2133, and the driving fixing component 11 and the battery fixing component 17 are rotated relative to each other, that is, the rotation directions between the driving fixing component 11 and the battery fixing component 17 are controlled to be opposite, so as to synchronously drive the first fixing portion 2132 and the second fixing portion 2133 to rotate in opposite directions, thereby compressing the torsion spring body 2131.

In other preferred embodiments, the torsion spring body 2131, the first fixing portion 2132 and the second fixing portion 2133 are integrally formed; the first fixing portion 2132 is detachably connected to the first PCB 2111 and the driving fixing assembly 11 in the axial direction of the electric toothbrush body 15; the second fixing portion 2133 is directly or indirectly vertically connected to the second PCB 2112 in a radial direction of the electric toothbrush body 15.

Further, a first through hole 2113 is formed in the first PCB 2111 along the axial direction of the electric toothbrush body 15, a second through hole 115 is formed in the driving fixing component 11 along the axial direction of the electric toothbrush body 15, and the first through hole 2113 and the second through hole 115 are arranged opposite to each other along the axial direction of the electric toothbrush body 15; a fixing bolt 2114 is arranged on the second PCB 2112, and the fixing bolt 2114 is perpendicular to the second PCB 2112 along the axial direction of the electric toothbrush body 15 and extends perpendicularly along the end surface of the second PCB 2112 away from the first PCB 2111; it is understood that the first fixing portion 2132 partially extends into the first through hole 2113 and the second through hole 115, so as to fixedly connect the first PCB 2111 and the driving fixing component 11; the second fixing portion 2133 is fastened to the fixing bolt 2114 and is further fixedly connected to the second PCB 2112, so that a guarantee is provided for timely resetting of the rotary switch structure 20.

To sum up, the utility model provides an electric toothbrush, it includes: the electric toothbrush comprises an electric toothbrush body and a toothbrush handle, wherein the electric toothbrush body comprises a driving assembly, a battery assembly electrically connected with the driving assembly and a brush head assembly in transmission connection with the driving assembly; the gum protection structure is arranged on the electric toothbrush body and used for detecting and adjusting the vibration intensity of the driving assembly and the brush head assembly; the air pressure balance connecting structure is arranged on the electric toothbrush body and is used for connecting the driving assembly and the battery assembly; the rotary switch structure is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly. The electric toothbrush is characterized in that a rotary switch structure is arranged in the electric toothbrush body, and the rotary switch structure is electrically connected with the driving assembly and the battery assembly, so that the operation mode of the electric toothbrush can be adjusted in a rotary mode, and meanwhile, the window opening on the electric toothbrush body is avoided, the appearance integrity of the electric toothbrush is protected, and the waterproof performance of the electric toothbrush is improved; through the gum protection structure, the vibration intensity of the driving assembly and the brush head assembly can be detected and adjusted, and the gum structure is effectively protected; through setting up the balanced connection structure of atmospheric pressure that is used for connecting drive assembly and battery pack, made things convenient for electric toothbrush's battery pack's change to maintain.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. An electric toothbrush, comprising:

the electric toothbrush comprises an electric toothbrush body and a toothbrush handle, wherein the electric toothbrush body comprises a driving assembly, a battery assembly electrically connected with the driving assembly and a brush head assembly in transmission connection with the driving assembly;

the gum protection structure is arranged on the electric toothbrush body and used for detecting and adjusting the vibration intensity of the driving assembly and the brush head assembly;

the air pressure balance connecting structure is arranged on the electric toothbrush body and is used for connecting the driving assembly and the battery assembly;

the rotary switch structure is arranged in the electric toothbrush body and is electrically connected with the driving assembly and the battery assembly.

2. The electric toothbrush according to claim 1,

the electric toothbrush body further comprises: driving the fixed component; the first end of the driving component along the axial direction is connected to the driving fixing component in a hanging mode, and one end of the brush head component along the axial direction is connected with the first end of the driving component; the brush head assembly is detachably connected with the driving assembly;

the gum protection structure comprises a trigger component arranged at the opposite lower end of the second end of the driving component along the axial direction, and the trigger component adjusts the operating power of the driving component when being triggered; when the driving component operates, the driving component can swing around the driving fixing component, and when the swing amplitude of the driving component exceeds a threshold value, the driving component triggers the triggering component.

3. The electric toothbrush according to claim 2,

the trigger assembly includes: the PCB 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;

the drive assembly includes: one end of the motor is detachably connected with the brush head assembly; the swinging block is arranged at one end of the motor, which is far away from the brush head assembly, and is arranged at an interval with the first electrode elastic sheet;

the drive securing assembly includes: the motor fixing seat is used for accommodating and fixing the motor; the upper cover is sleeved on the periphery of the motor fixing seat and is rotationally connected with the motor fixing seat; and the motor base is arranged between the PCB and the motor and used for limiting the swinging space of the swinging block.

4. The electric toothbrush according to claim 3,

a first hanging part and a second hanging part are arranged at one end of the motor fixing seat close to the brush head component; the upper cover is provided with a first fixing hole and a second fixing hole at positions corresponding to the first hanging piece and the second hanging piece, the first hanging piece is rotatably connected in the first fixing hole, and the second hanging piece is rotatably connected in the second fixing hole.

5. The electric toothbrush according to claim 2,

the air pressure balance connection structure comprises: the battery fixing component is detachably connected with the driving fixing component, and the air pressure balance connecting mechanism is arranged on the electric toothbrush body and is used for connecting the driving component and the battery component; the driving fixing component is provided with a joint support, and the driving component is arranged on the driving fixing component; the battery fixing assembly is provided with a bottom shell and a battery front cover, and the battery assembly is arranged on the bottom shell and the battery front cover; the battery assembly is detachably connected with the driving assembly, the joint support is detachably connected with the battery front cover, one end of the air pressure balance connecting mechanism is detachably connected to the bottom shell, the battery assembly and the battery front cover, and the other end of the air pressure balance connecting mechanism is detachably connected to the joint support.

6. The electric toothbrush according to claim 5,

the air pressure balance connecting mechanism comprises:

the button is connected with the battery fixing component, the battery component and the joint support in a sliding manner and is provided with a first air passage and a second air passage which are vertically communicated;

the button reset piece is sleeved on the button between the bottom shell and the battery assembly and used for pushing the button to automatically lock the driving assembly;

the air cushion is accommodated in the second air passage and used for sealing the second air passage, and air outlets communicated with the second air passage are arranged at two ends of the air cushion;

wherein, one end of the button is clamped with the joint support.

7. The electric toothbrush according to claim 5,

the rotary switch structure includes: a motherboard assembly; a contact electrode assembly disposed on the main board assembly; the rotary reset assembly is arranged on the main board assembly and is used for controlling the contact electrode assembly to be closed or opened;

the main board assembly includes: the first PCB is fixedly connected to the driving fixing component and electrically connected with the driving component; the second PCB is fixedly connected to the battery component, electrically connected with the battery component and arranged at intervals with the first PCB;

the contact electrode assembly includes: the first contact electrode is arranged on the end face, facing the second PCB, of the first PCB and is electrically connected with the first PCB; and the second contact electrode is arranged on the end face, facing the first PCB, of the second PCB and is electrically connected with the second PCB.

8. The electric toothbrush according to claim 7,

the first PCB and the second PCB are spaced along the axial direction of the electric toothbrush body and are smaller than the sum of the heights of the first contact electrode and the second contact electrode along the axial direction of the electric toothbrush body;

the first contact electrode and the second contact electrode are elastic sheet electrodes; or the first contact electrode is set as a spring plate electrode, and the second contact electrode is set as a copper column electrode; or the first contact electrode is a copper column electrode, and the second contact electrode is a spring plate electrode.

9. The electric toothbrush according to any one of claims 1 to 8,

the electric toothbrush also comprises a key switch structure and/or a sliding touch switch structure which are arranged on the electric toothbrush body and electrically connected with the battery component and the driving component.

10. The electric toothbrush according to any one of claims 5 to 8,

the electric toothbrush is characterized in that the electric toothbrush further comprises an electric quantity display structure arranged on the battery fixing assembly and electrically connected with the battery assembly, the electric quantity display structure comprises a touch switch and an electric quantity indicator light which are electrically connected, the electric quantity indicator light is arranged on the side end face of the battery fixing assembly, and the touch switch is arranged on the end face of the battery fixing assembly far away from the driving assembly.

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