CN115737175A

CN115737175A - Electric tooth brush

Info

Publication number: CN115737175A
Application number: CN202211461796.1A
Authority: CN
Inventors: 杨帅
Original assignee: Shenzhen Shengdong Information Technology Co ltd
Current assignee: Shenzhen Shengdong Information Technology Co ltd
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-03-07

Abstract

The invention discloses an electric toothbrush, which relates to the technical field of toiletries and specifically comprises a machine body and a toothbrush head, wherein two through holes are integrally formed in the end part of an end cover at the front end of the machine body, two groups of lamp beads are arranged at the position, close to the top end, of the inner side of the end cover through a lamp control circuit board, the toothbrush head is integrally formed by a sleeve, a central main rod and a vibrator butt joint unit, and the central main rod and the vibrator butt joint unit are integrally formed by injection molding of PMMA high-light-transmission plastic. The invention improves and designs the basic structure of the existing split type electric toothbrush, can realize disinfection and sterilization at each dead angle of the toothbrush head, and can effectively reduce the noise of the toothbrush head, reduce vibration energy loss and improve vibration transmission efficiency by matching with the structural design of the whole toothbrush head.

Description

Electric tooth brush

Technical Field

The invention relates to the technical field of toiletries, in particular to an electric toothbrush.

Background

The electric toothbrush is a well-known washing appliance in daily life at present, the function of the split type electric toothbrush (the toothbrush head and the toothbrush host machine are detachable) is single, the split type electric toothbrush only has the basic function of the electric toothbrush without a sterilization effect, the disinfection function of the existing sterilizable electric toothbrush depends on external matching device components, such as CN214761558U, an electric toothbrush disinfection cup and an electric toothbrush disinfection cup component, CN214967011U, a sterilized electric toothbrush and the like, most of the electric toothbrushes are dependent on external matching device components, the inside of the machine body of the electric toothbrush is provided with a disinfection component, the electric toothbrush is finally used after emitting light from the outside, and the whole toothbrush is sterilized outside, such as CN215228702U, the external sterilization electric toothbrush, the external sterilization mode is difficult to be effectively sterilized at the butt joint position of the toothbrush head and the position of the toothbrush root, and the places where bacteria are easy to breed are the places, so that the disinfection and the disinfection mode is still designed for the existing electric toothbrush;

and inside the brush head brush-holder stud of present electric toothbrush, most of them still leave great void space inside after the oscillator butt joint terminal is fixed, when electric toothbrush uses, these void spaces often can produce great shock sound when toothbrush brush head carries out high frequency vibration to vibration noise when leading to electric toothbrush to use enlarges, thereby influences consumer's use experience.

Disclosure of Invention

In response to the above-identified deficiencies in the background art, the present invention provides an electric toothbrush.

The invention relates to an electric toothbrush, which comprises a toothbrush body, a toothbrush head and a base, and is different from the structure of the existing electric toothbrush body in that two through holes are integrally formed in the end part of an end cover at the front end of the toothbrush body, the through holes are mainly designed for adapting and installing two groups of lamp beads in the end cover, so that light can conveniently penetrate through the end cover, an annular lamp control circuit board is fixed at a position close to the top end inside the end cover, the back side of the lamp control circuit board is electrically connected with two groups of lamp beads, one group of lamp beads is UV (ultraviolet) lamp beads, and the other group of lamp beads is LED (light-emitting diode) white light beads; two sets of lamp beads respectively correspond a perforation, wherein adopt the lamp bead design of two different functions of group, combine two switch button and lamp control circuit board designs described below, can make the tip of electric toothbrush fuselage light incandescent lighting light, ultraviolet ray according to the demand.

The toothbrush head is integrally composed of a sleeve, a central main rod and a vibrator butt joint unit, the central main rod comprises a connecting rod part, two ends of the connecting rod part are respectively and integrally formed with a toothbrush head part and a butt joint part, the sleeve comprises a pipe body, a matching cavity is arranged in the pipe body, and the connecting rod part, the butt joint part and the vibrator butt joint unit of the central main rod are fixed in the matching cavity; the size structure of the front end in the adaptation cavity corresponds to the size structure of the connecting rod part and the external size structure of the butt joint part in the central main rod, the front end size structure and the external size structure of the connecting rod part and the external size structure of the butt joint part in the central main rod are in seamless bonding and fixing through an adhesive, the size structure of the tail end of the adaptation cavity corresponds to the size structure of the external size structure of the oscillator butt joint unit, the oscillator butt joint unit is also in seamless bonding and fixing through the adhesive in the adaptation cavity, and in order to enable the interior of the toothbrush head to have a light conduction effect, the whole central main rod and the oscillator butt joint unit are integrally injection-molded through PMMA high-light-transmission plastic; the whole sleeve is made of light-tight plastic.

Furthermore, in order to facilitate the use of an operator, besides the original button for controlling the switch of the driving motor of the electric toothbrush, the body is also provided with a two-switch and one-switch button for controlling the on/off of two groups of lamp beads on the lamp control circuit board, and what needs to be further explained is that: the lamp control circuit board is integrated with a timing circuit (not shown) and used for setting the lighting time of the UV lamp beads, and the lamp control circuit board is electrically connected with an electric storage unit originally arranged in the machine body, so that the electric storage unit arranged in the machine body of the electric toothbrush provides electric power for the lamp control circuit board, and the lamp control circuit board provides electric power for lighting of the two groups of lamp beads.

Further, after the structure of the electric toothbrush body is improved on the basis of the existing electric toothbrush body, in order to avoid the water leakage phenomenon of the improved body end cover, a rubber shell interlayer is adhered to the back of the lamp control circuit board; each integrated into one piece of position department that the plastic shell interlayer corresponds two sets of lamp pearls has a lamp body, and two lamp bodies are detained respectively on corresponding a set of lamp pearl, and in two lamp bodies all closely inlayed the perforation on the end cover, still laminating between plastic shell interlayer and the end cover has the waterproof cushion of one deck, and the position department that the waterproof cushion corresponds the lamp body is equipped with the trepanning.

Furthermore, in order to reduce water entering a gap at the butt joint of the toothbrush head and the toothbrush body as much as possible and not influence the normal vibration of the toothbrush head, an annular groove is further integrally formed on the outer side of the end cover, meanwhile, a latex rubber tube is fixedly sleeved at the tail end of the sleeve tube, the middle of the latex rubber tube is designed in a corrugated tube shape, the wall thickness of the corrugated tube part in the middle of the latex rubber tube is 0.8-1 mm, the wall thicknesses of the two ends of the latex rubber tube are 1.5-1.8 mm, and the tube end of the latex rubber tube and the annular groove structure on the end cover are designed in an adaptive mode.

Further, the oscillator butt joint unit includes that adaptation seat, the fixed pipe of oscillator and butt joint insert the post, adopt integrated into one piece design between adaptation seat, the fixed pipe of oscillator and the butt joint insert the post, and the junction between adaptation seat, the fixed pipe of oscillator and the butt joint insert the post all adopts circular arc transition design, adopts circular arc transition design between each structure, compares traditional edges and corners design, and the circular arc design can furthest reduce light and make the loss in oscillator butt joint unit inside refraction, further improves the light conduction ability of oscillator butt joint unit, the middle part of adaptation seat has a plurality of locator card edges around annular integrated into one piece, and wherein the design on locator card edge mainly is used for when assembling the oscillator butt joint unit with the inside adaptation chamber of sleeve pipe, to its implementation location, the outside of the fixed pipe of oscillator still overlaps and is equipped with a rubber ring, the central point of oscillator fixed pipe and adaptation seat is seted up a passageway that is used for the fuselage to pass the oscillator in the coaxial line direction.

Furthermore, in order to further improve the front-back butt joint stability between the vibration butt joint unit and the central main rod and improve the effectiveness of vibration transmission between the vibration butt joint unit and the central main rod, a butt joint insertion hole matched with the external size of the butt joint insertion column is integrally formed on the inner side of the butt joint part.

Furthermore, in order to facilitate the removal of water stains in the bristles at the front end of the toothbrush head, the middle part of the toothbrush head is provided with water permeable holes; and one side of the brush head part is also provided with a plurality of brush pores, a water chute is also arranged on the tube body of the sleeve, and a convex ring is integrally formed on the tube body at the tail end of the water chute around the circumference.

Furthermore, the base comprises a wireless charging seat and a silica gel sucker connected to the bottom of the wireless charging seat, a strong permanent magnet is fixed at the central position of the inner side of the silica gel sucker, a layer of magnetism isolating sheet is arranged in the wireless charging seat corresponding to the positions of the wireless charging coil and the strong permanent magnet in the wireless charging seat, a positioning pile is arranged in a slot in the inner side of the wireless charging seat, and a matched jack is integrally formed at the position of the bottom of the machine body corresponding to the positioning pile; the wireless charging base is internally provided with a wireless charging circuit board which is electrically connected with the wireless charging coil; the electric connecting port of the wireless charging circuit board is connected with an electric connecting wire.

Furthermore, the adapter seat is designed in a conical shape, and a first thread casing is compositely bonded on the surface of the adapter seat through a super glue; a round convex edge is integrally formed at the bottom end of the adapting seat, screwing force application grooves are further formed in two sides of the convex edge, and a sealing rubber ring with the diameter matched with that of the convex edge is further sleeved outside the adapting seat; the surface of the butt joint inserting column is compositely bonded with a second threaded casing through a strong glue, and the inner wall of the tail end of the adapting cavity corresponding to the mounting position of the adapting seat and the inner side of the inserting hole are both provided with a threaded groove which is in threaded connection with the first threaded casing and the second threaded casing in a matching way.

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

the invention improves the design on the basic structure of the existing split type electric toothbrush, can realize the disinfection and sterilization of each dead angle of the toothbrush head, and is matched with the structural design of the whole toothbrush head, so that after the vibrator butt joint unit for butt joint the vibrator is fixedly butted with the sleeve, except for the jack channel reserved for butt joint of the vibrator part, other positions form a solid structure, on one hand, the invention can effectively reduce the oscillation sound generated when the toothbrush head vibrates at high frequency under the driving of the vibrator and reduce the noise of the toothbrush head, and on the other hand, because the vibration energy loss caused by redundant cavity gaps is reduced, the improved solid toothbrush head can further improve the vibration transmission efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

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

FIG. 2 is a schematic illustration of the fuselage structure of the present invention;

FIG. 3 is a schematic view of the end cap of the present invention;

figure 4 is a schematic view of an exploded view of the toothbrush head of the present invention;

FIG. 5 is a cross-sectional view of a connecting rod according to the present invention;

FIG. 6 is a schematic view of a base structure according to the present invention;

FIG. 7 is a bottom view of the base of the present invention;

FIG. 8 is a schematic view of the structure of the brush head portion of the present invention;

FIG. 9 is a schematic view of a second embodiment of the present invention;

FIG. 10 is a schematic structural diagram of a housing of an end cap according to a second embodiment of the present invention;

FIG. 11 is a schematic view of a toothbrush head according to a second embodiment of the present invention;

FIG. 12 is a schematic view of a brush head according to a third embodiment of the present invention;

fig. 13 is a schematic structural diagram of a vibrator docking unit in the fourth embodiment of the present invention.

In the figure: 1. a body; 101. an end cap; 102. two on-off buttons; 103. a ring groove; 104. perforating; 105. a waterproof rubber mat; 106. a rubber shell interlayer; 107. a lamp housing; 108. trepanning; 109. an annular lamp control circuit board; 2. a toothbrush head; 201. a sleeve; 211. a pipe body; 212. an adapter cavity; 213. a latex rubber-reinforced tube; 202. a central main rod; 221. a link section; 222. a brush head portion; 223. a butt joint part; 224. water permeable holes; 225. brushing pores; 226. butting the jacks; 2261. a thread groove; 203. a vibrator docking unit; 231. an adapter base; 2311. screwing the force application groove; 2312. a first thread casing; 2313. sealing the rubber ring; 232. a vibrator fixing tube; 233. butting and inserting the columns; 2331. a second thread casing; 234. positioning the clamping edge; 204. a rubber ferrule; 3. a base; 301. a wireless charging stand; 302. positioning the pile; 303. a silica gel sucker; 304. a strong permanent magnet.

Detailed Description

Embodiments of the present invention are illustrated in the drawings and, for purposes of clarity, numerous specific details are set forth in the following description. It should be understood, however, that these physical details should not be construed as limiting the invention. That is, in some embodiments of the invention, such physical details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

The first embodiment is as follows:

referring to fig. 1-3, the electric toothbrush of the present invention comprises a body 1, a toothbrush head 2 and a base 3, which adopt radio technology, and is different from the structure of the body 1 of the existing electric toothbrush in that two perforations 104 are integrally formed at the end part of an end cover 101 at the front end of the body 1, the perforations 104 are designed to be mainly used for adapting and installing the following two groups of lamp beads inside the end cover 101, so that light can conveniently penetrate through the end cover 101, and a ring-shaped lamp control circuit board 109 is fixed at the position close to the top end inside the end cover 101, and the back of the lamp control circuit board is electrically connected with the two groups of lamp beads, one group is a UV lamp bead, and the other group is an LED white light bead; two groups of lamp beads correspond to one perforation 104 respectively, wherein the lamp bead design with two groups of different functions is adopted, and the design of two on-off buttons 102 and a lamp control circuit board is combined, so that incandescent lighting light rays and ultraviolet light rays can be lightened at the end part of the electric toothbrush body 1 according to requirements.

In this example: in order to reach light and transmit in toothbrush head 2 inside to make the inside overall structure of toothbrush head 2 except that the inside oscillator grafting passageway of reserving of oscillator fixed tube 232 and adaptation seat 231 after the equipment is accomplished, other parts can both constitute a solid obturator, produce a large amount of vibration sound when reducing toothbrush head 2 vibrations, reduce electric toothbrush's noise, and improve the effective transmission of vibration energy.

Specifically, referring to fig. 4, 8 and 12, the toothbrush head 2 is integrally composed of a sleeve 201, a central main rod 202 and a vibrator docking unit 203, wherein the central main rod 202 includes a connecting rod portion 221, a brush head portion 222 and a docking portion 223 integrally formed at two ends of the connecting rod portion 221, on one hand, the central main rod 221 designed by integral forming can enable the interior of the toothbrush head 2 to form a solid whole in the front end, so as to reduce the loss of noise and vibration energy, on the other hand, the central main rod can also contribute to the conduction of light, one side of the brush head portion 222 is further provided with a plurality of brush pores 225 for mounting bristles, on the other hand, a water guide groove is further formed on a tube body 211 of the sleeve 201, a convex ring is integrally formed around the circumference on the tube body 211 at the tail end of the water guide groove, the sleeve 201 includes a tube body 211, an adapting cavity 212 is formed in the tube body 211, and the connecting rod portion 221, the docking portion 223 and the vibrator docking unit 203 of the central main rod 202 are all fixed in the adapting cavity 212; the front end size structure in the adaptation cavity 212 and the external size structures of the connecting rod part 221 and the butt joint part 223 in the central main rod 202 are designed correspondingly, the two structures are bonded and fixed seamlessly through an adhesive, the tail end size structure of the adaptation cavity 212 and the external size structure of the oscillator butt joint unit 203 are designed correspondingly, the oscillator butt joint unit 203 is bonded and fixed seamlessly through the adhesive in the adaptation cavity 212, and in order to enable the interior of the toothbrush head 2 to have a light conduction effect, the whole central main rod 202 and the oscillator butt joint unit 203 are integrally formed by injection molding of PMMA high-light-transmission plastic; the sleeve 201 is made of opaque plastic, and the opaque design of the sleeve 201 can reduce the light loss of light when the light is transmitted inside the toothbrush head.

In this example: referring to fig. 2, in order to facilitate the use of the operator, a two-on-one switch button 102 is installed on the machine body 1 in addition to the original button for controlling the switch of the driving motor of the electric toothbrush, for controlling the on/off of two groups of lamp beads on the lamp control circuit board, and it needs to be further explained that: the lamp accuse circuit board is gone up the integration and has timing circuit (not shown) for control the lighting time of UV lamp pearl, lamp accuse circuit board and the inside electric power storage unit electricity of taking certainly of fuselage are connected originally moreover to electric toothbrush fuselage 1 provides electric power for lamp accuse circuit board from the electric power storage unit of taking, provides power supply for the light of two sets of lamp pearls.

In this example: referring to fig. 3, after the structure improvement is performed on the basis of the conventional electric toothbrush body 1, in order to avoid the water leakage phenomenon of the end cover 101 of the improved body 1, a rubber case interlayer 106 is further attached to the back of the lamp control circuit board; each integrated into one piece of position department that gluey shell interlayer 106 corresponds two sets of lamp pearls has a lamp body 107, two lamp bodies 107 are detained respectively on corresponding a set of lamp pearl, and two lamp bodies 107 all closely inlay in perforation 104 on end cover 101, still the laminating has one deck waterproof cushion 105 between gluey shell interlayer 106 and the end cover 101, waterproof cushion 105 corresponds the position department of lamp body 107 and is equipped with trepanning 108, waterproof cushion 105 is through cooperation 107 between trepanning 108 and the lamp body on it, make waterproof cushion can realize the locate effect on gluey shell interlayer.

In this example: referring to fig. 4, the vibrator docking unit 203 includes an adapting seat 231, a vibrator fixing tube 232 and a docking post 233, the adapting seat 231, the vibrator fixing tube 232 and the docking post 233 are integrally formed, the joints between the adapting seat 231, the vibrator fixing tube 232 and the docking post 233 are all arc transition design, and the arc transition design is adopted among the structures, compared with the traditional corner design, the arc design can reduce the loss caused by the refraction of light inside the vibrator docking unit 203 to the maximum extent, further improve the light conduction capability of the vibrator docking unit 203, the middle part of the adapting seat 231 is integrally formed with a plurality of positioning clamp edges 234 around a ring shape, wherein the positioning clamp edges 234 are designed to mainly assemble the vibrator docking unit 203 with the adapting cavity 212 inside the casing 201, to its implementation location, the outside of oscillator fixed tube 232 still is equipped with a rubber sleeve ring 204, and the design of rubber sleeve ring 204, in use with rubber sleeve ring 204 cover on oscillator fixed tube 232, and along with the equipment of oscillator butt joint unit 203, fix whole rubber sleeve ring 204 to in the adaptation chamber 212, inwards exert pressure to the spring bolt on the oscillator fixed tube 232, combine the elastic deformation effect of rubber sleeve ring 204 self, can implement effective fixed to the oscillator on the electric toothbrush fuselage 1, still do not influence the dismantlement of toothbrush head 2 with fuselage 1 simultaneously, the central point of oscillator fixed tube 232 and adaptation seat 231 puts and offers a passageway that is used for fuselage 1 top oscillator to pass on the coaxial line direction, in order to make things convenient for toothbrush head 2 and the oscillator on the fuselage 1 to carry out the grafting installation.

In this example: referring to fig. 4-5, in order to further improve the front-back docking stability between the vibration docking unit and the central main rod 202 and improve the effectiveness of vibration transmission between the two, a docking insertion hole 226 adapted to the external dimension of the docking insertion column 233 is integrally formed inside the docking portion 223, when the UV lamp set for sterilization is turned on, its light source enters at the end of the vibrator docking unit 203 and is refracted inside, and then is emitted from the other end to enter the connecting portion 221, and is transmitted from the end of the connecting portion 221 to the brush head portion 222, so that the brush head portion 222 lights up UV light, during the transmission process, a part of the light is lost in the scattering at the connection of the irregular structure of the vibrator docking unit 203, and the UV light of the scattering portion is used to perform UV sterilization and sterilization on the gap inside the whole vibrator docking unit 203, while the other part of the UV light is finally refracted and transmitted to the central main rod 202, wherein the sleeve 201 in the whole toothbrush head 2 is made of conventional opaque plastic, so that the sleeve itself has strong light blocking property, and the UV light entering the central main rod 202 can only be transmitted to the brush head portion of the brush head portion 222, so that the light can be transmitted to the brush head.

Referring to fig. 6 and 7, in order to facilitate the fixing of the base 3 during placement, the base 3 includes a wireless charging seat 301 and a silica gel sucker 303 connected to the bottom of the wireless charging seat 301, a strong permanent magnet 304 is fixed at the center position of the inner side of the silica gel sucker 303, the silica gel sucker 303 and the strong permanent magnet 304 are designed, so that the base 3 can be effectively placed at different positions, the application range can be expanded, convenience is provided for consumers, in order to avoid the magnetic field of the strong permanent magnet 304 from interfering with the magnetic field of the wireless charging coil, a layer of magnetic shielding sheet is arranged inside the wireless charging seat 301 at the position corresponding to the wireless charging coil and the strong permanent magnet 304 therein, a positioning pile 302 is arranged in a slot inside the wireless charging seat 301, and a matched jack is integrally formed at the position corresponding to the positioning pile 302 at the bottom of the body 1; a wireless charging circuit board electrically connected with the wireless charging coil is also arranged in the wireless charging seat 301; the electric connection port of the wireless charging circuit board is connected with an electric connection lead.

The high-light-transmission-performance toothbrush comprises a vibrator docking unit 203 and a center inserting rod which are made of PMMA plastic, the vibrator docking unit 203 and a center main rod 202 both have extremely high light transmission and light conduction characteristics, due to the design of the high-light-transmission vibrator docking unit 203, light emitted by a UV lamp bead assembly can be smoothly transmitted to all corners inside the whole vibrator docking unit 203 from the end portion of the vibrator docking unit 203, dead-angle-free disinfection and sterilization are carried out on internal gaps, then, in combination with the adaptation design between the front end of the vibrator docking unit 203 and the center main rod 202, the high-light-transmission design of the center main rod 202 is utilized, the center main rod 202 and the front end of the vibrator docking unit 203 can build a light transmission path, ultraviolet rays can be smoothly transmitted to a brush head portion 222 from a connecting rod portion 221 inside a toothbrush head 2, light irradiation ultraviolet rays can be transmitted from the root portion of toothbrush bristles, disinfection and sterilization are carried out from inside to outside, compared with the conventional external sterilization, the sterilization effect is more thorough, the adaptation design of the center main rod 202 and the adaptation cavity, the adaptation cavity, the traditional hollow structure is designed and fixed and the traditional brush head is free from vibration and vibration energy transmission is improved.

Example two:

the difference from the first embodiment is that: referring to fig. 9-11, in order to reduce as much as possible the water entering into the gap at the joint of the toothbrush head 2 and the body 1 and not to affect the normal vibration of the toothbrush head 2, an annular groove 103 is integrally formed at the outer side of the end cap 101, meanwhile, a latex elastic tube 213 is fixedly sleeved at the tail end of the tube body 211 of the sleeve 201, the middle part of the latex elastic tube 213 is in a bellows shape, the wall thickness of the bellows part at the middle part of the latex elastic tube 213 is 0.8-1 mm, the wall thicknesses of the two ends of the latex elastic tube 213 are 1.5-1.8 mm, and the tube end of the latex elastic tube 213 and the annular groove 103 structure on the end cap 101 are in an adaptive design, as is well known, the gap left between the toothbrush head 2 and the end of the body 1 of the split type electric toothbrush is basically within 1 mm, which is mainly used for facilitating the vibration of the toothbrush head 2 and preventing the toothbrush head 1 from obstructing the vibration of the toothbrush head 2, and the design of the latex elastic tube 213, and the latex elastic tube 213 can be mounted and can be well-cleaned.

Example three:

referring to fig. 12, in order to facilitate the removal of water stains in the bristles at the front end of the toothbrush head 2, on the basis of the existing toothbrush head, a water permeable hole 224 is formed in the middle of the toothbrush head 222, and the design of the water permeable hole enables the toothbrush head to have good air permeability compared with the traditional toothbrush head, so that the evaporation of the residual water stains can be accelerated.

Example four:

it is known that, at present, regardless of a common toothbrush or an electric toothbrush, the most vulnerable position is the bristles of the toothbrush head, and the service life of the part of the vibrator docking unit 203 is far longer than that of the bristles, while in the structure of the toothbrush head of the currently known electric toothbrush, a one-time fixed non-detachable bonding structure is adopted between the vibrator docking unit 203 and the rod part of the toothbrush head 2, and the toothbrush head 2 together with the whole toothbrush rod and the toothbrush head 2 is replaced each time (some toothbrush heads capable of replacing bristles independently are used for tooth cleaning due to high-frequency vibration, and the structure of the toothbrush head is loosened or separated during long-time high-frequency vibration, so that the toothbrush head capable of replacing bristles independently is not widely used in the application field of the electric toothbrush) to cause unnecessary resource waste.

In order to solve the problem, in the present embodiment, please refer to fig. 13, which is different from the first embodiment in that a detachable mounting manner of screw connection is adopted between the vibrator docking unit 203 and the sleeve 201.

Specifically, the adaptation seat 231 in the oscillator docking unit 203 is integrally designed in a conical shape, and a first threaded sleeve 2312 is compositely bonded on the surface of the adaptation seat 231 through a super glue; a round convex edge is integrally formed at the bottom end of the adapting seat 231, screwing force application grooves 2311 are formed in two sides of the convex edge, and meanwhile, a sealing rubber ring 2313 with the diameter matched with that of the convex edge is sleeved outside the adapting seat 231; a second threaded sleeve 2331 is compositely bonded on the surface of the butt-joint plug 233 through a super glue, and a thread groove 2261 in threaded connection with the first threaded sleeve 2312 and the second threaded sleeve 2331 in a matching manner is formed in the inner wall of the tail end of the adaptation cavity 212 corresponding to the installation position of the adaptation seat 231 and the inner side of the plug hole 226.

In this embodiment, compared with the first embodiment, the first embodiment further includes an auxiliary tool (not shown) for mounting and dismounting the vibrator docking unit 203, the auxiliary tool is composed of a stainless steel metal disc with a thickness of 1 mm, two grasping teeth are integrally formed on two sides of one side of the metal disc corresponding to two positions of the screwing force application grooves 2311 on the adapter 231, a notch for applying force to the end of the screwdriver is integrally formed on the back of the metal disc, when the vibrator docking unit 203 is mounted and dismounted, only the grasping teeth on the auxiliary tool need to be engaged with the screwing force application grooves 2311 on the adapter 231, and the screwdriver tool can be used for screwing operation through the notch.

Adopt screw thread detachable connections's mounting means, with oscillator butt joint unit 203 in toothbrush head 2 and toothbrush head 2's the rest part, divide into two whole separately to sell and the combination is sold, according to brush hair and oscillator butt joint unit 203 life's gap, the change proportion that has the brush hair part will be higher than oscillator butt joint unit 203 far away, consequently can greatly reduce toothbrush head 2's partial product manufacturing cost, secondly just can pertinence change the damage part, can avoid unnecessary wasting of resources.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. Electric toothbrush, including fuselage (1), toothbrush head (2) and base (3), its characterized in that: two through holes (104) are integrally formed in the end part of an end cover (101) at the front end of the machine body (1), an annular lamp control circuit board (109) is fixed at the position, close to the top end, of the inner side of the end cover (101), and the back surface of the lamp control circuit board is electrically connected with two groups of lamp beads, one group of lamp beads is UV lamp beads, and the other group of lamp beads is LED white light lamp beads; two groups of lamp beads respectively correspond to one perforation (104); the toothbrush head (2) integrally comprises a sleeve (201), a central main rod (202) and a vibrator butt joint unit (203), the central main rod (202) comprises a connecting rod part (221), two ends of the connecting rod part (221) are respectively integrally formed with a brush head part (222) and a butt joint part (223), the sleeve (201) comprises a tube body (211), a matching cavity (212) is formed in the tube body (211), and the connecting rod part (221) and the butt joint part (223) of the central main rod (202) and the vibrator butt joint unit (203) are fixed in the matching cavity (212); the whole central main rod (202) and the vibrator butt joint unit (203) are integrally formed by injection molding of PMMA high-light-transmission plastics.

2. An electric toothbrush according to claim 1, wherein: besides the button which is originally provided with a switch for controlling the electric toothbrush driving motor, the machine body (1) is also provided with a two-switch one-switch button (102) for controlling the on-off of two groups of lamp beads on the lamp control circuit board, and the lamp control circuit board is electrically connected with the electric power storage unit which is originally provided with the lamp control circuit board and the interior of the machine body (1).

3. An electric toothbrush according to claim 1, wherein: the back of the lamp control circuit board is also adhered with a rubber shell interlayer (106); each integrated into one piece of position department that gluey shell interlayer (106) correspond two sets of lamp pearls has a lamp body (107), and two lamp bodies (107) are detained respectively on corresponding a set of lamp pearl, and in two lamp bodies (107) all closely inlayed perforation (104) on end cover (101), still laminating between gluey shell interlayer (106) and end cover (101) has one deck waterproof rubber mat (105), and waterproof rubber mat (105) correspond the position department of lamp body (107) and are equipped with trepanning (108).

4. An electric toothbrush according to claim 1, wherein: the outside of end cover (101) still integrated into one piece has an annular (103), the fixed cover of body (211) tail end of sleeve pipe (201) is equipped with a latex rubber-reinforced tube (213), and this latex rubber-reinforced tube (213) middle part is the design of bellows form, and the wall thickness of latex rubber-reinforced tube (213) middle part bellows part is 0.8-1 millimeter, and the wall thickness at latex rubber-reinforced tube (213) both ends then is 1.5-1.8 millimeters, and annular (103) structure on the pipe end of latex rubber-reinforced tube (213) and end cover (101) adopts the adaptation design, sleeve pipe (201) wholly adopts light-tight plastic to constitute.

5. An electric toothbrush according to claim 1, wherein: the size structure of the front end in the adaptation cavity (212) is correspondingly designed with the size structures of the connecting rod part (221) and the butting part (223) in the central main rod (202), the front end and the butting part are seamlessly bonded and fixed through an adhesive, the size structure of the tail end of the adaptation cavity (212) is correspondingly designed with the size structure of the outer part of the vibrator butting unit (203), and the vibrator butting unit (203) is also seamlessly bonded and fixed through the adhesive in the adaptation cavity (212).

6. An electric toothbrush according to claim 1, wherein: the vibrator butt joint unit (203) comprises an adaptation seat (231), a vibrator fixing tube (232) and a butt joint inserting column (233), the adaptation seat (231), the vibrator fixing tube (232) and the butt joint inserting column (233) are integrally formed, the connection positions among the adaptation seat (231), the vibrator fixing tube (232) and the butt joint inserting column (233) are all in arc transition design, the middle of the adaptation seat (231) is integrally formed with a plurality of positioning clamp edges (234) in a circular mode, and a rubber ferrule (204) is further sleeved outside the vibrator fixing tube (232); and a channel for the vibrator of the machine body (1) to pass through is formed in the center positions of the vibrator fixing tube (232) and the adapting seat (231) in the coaxial line direction.

7. An electric toothbrush according to claim 1, wherein: the inner side of the butt joint part (223) is also integrally formed with a butt joint inserting hole (226) matched with the outer size of the butt joint inserting column (233).

8. An electric toothbrush according to claim 1, wherein: the middle part of the brush head part (222) is provided with a water permeable hole (224); and one side of the brush head part (222) is also provided with a plurality of brush pores (225).

9. An electric toothbrush according to claim 1, wherein: the base (3) comprises a wireless charging seat (301) and a silica gel sucker (303) connected to the bottom of the wireless charging seat (301), a strong permanent magnet (304) is fixed at the central position of the inner side of the silica gel sucker (303), a layer of magnetic shielding sheet is arranged in the wireless charging seat (301) corresponding to the positions of a wireless charging coil and the strong permanent magnet (304) in the wireless charging seat, a positioning pile (302) is arranged in a slot in the inner side of the wireless charging seat (301), and a matched jack is integrally formed at the bottom of the machine body (1) corresponding to the position of the positioning pile (302); a wireless charging circuit board electrically connected with the wireless charging coil is also arranged in the wireless charging seat (301); the electric connection port of the wireless charging circuit board is connected with an electric connection lead.

10. An electric toothbrush according to claim 6, wherein: the adapter seat (231) is designed in a conical shape, and a first threaded casing (2312) is compositely bonded on the surface of the adapter seat (231) through super glue; a round convex edge is integrally formed at the bottom end of the adapting seat (231), screwing force application grooves (2311) are formed in two sides of the convex edge, and a sealing rubber ring (2313) with the diameter matched with that of the convex edge is sleeved outside the adapting seat (231); the surface of the butt-joint plug column (233) is compositely adhered with a second threaded casing (2331) through super glue, and the inner wall of the tail end of the adaptation cavity (212) corresponding to the installation position of the adaptation seat (231) and the inner side of the plug hole (226) are respectively provided with a threaded groove (2261) in threaded connection with the first threaded casing (2312) and the second threaded casing (2331) in a matching manner.