CN210811681U

CN210811681U - Electric tooth brush

Info

Publication number: CN210811681U
Application number: CN201920938808.2U
Authority: CN
Inventors: 袁亮
Original assignee: Joint Chinese Ltd
Current assignee: Joint Chinese Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-06-23
Anticipated expiration: 2029-06-20

Abstract

The utility model provides an electric toothbrush, which comprises a brush head component, an electric control component, a vibration component and a bracket provided with a first accommodating groove, wherein the vibration component comprises a vibration source which is arranged in the first accommodating groove and is electrically connected with the electric control component, and a transmission frame which is partially positioned in the first accommodating groove; the transmission frame is provided with a first section, a second section and a third section which are sequentially arranged, the first section is fixedly connected with the vibration source, the second section is fixedly connected with the support, and the third section extends out of the first accommodating groove and is fixedly connected with the brush head assembly. Therefore, the utility model provides an electric toothbrush makes the vibration source can be arranged in the support through optimizing electric toothbrush's structural configuration, so brush head assembly can do for a short time as far as, changes the situation that need set up the vibration source in brush head assembly inside and make the first volume of brush have to expand in the past, when guaranteeing good clean ability, has effectively optimized user experience.

Description

Electric tooth brush

Technical Field

The utility model belongs to the technical field of cleaning products, more specifically say, relate to an electric toothbrush.

Background

Electric toothbrushes, which are cleaning tools that help a user clean teeth by driving a brush head to vibrate, have been increasingly favored in recent years by many people for their excellent cleaning ability and convenience.

However, the electric toothbrush is always a toothbrush, the head of the electric toothbrush needs to extend into the mouth of a user, and if the head of the electric toothbrush is too large, the electric toothbrush is difficult to use for the user, and especially the use of children is limited; the current electric toothbrush is limited in structure, so that a vibration source needs to be arranged on the brush head part of the electric toothbrush, the brush head part of the electric toothbrush cannot be smaller, and user experience is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric toothbrush to solve present electric toothbrush's brush head portion can't accomplish littleer, thereby influence user experience's technical problem.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided an electric toothbrush comprising: the bracket is provided with a first accommodating groove; a brush head assembly; an electronic control assembly; the vibration assembly comprises a vibration source which is arranged in the first accommodating groove and electrically connected with the electric control assembly, and a transmission frame which is partially positioned in the first accommodating groove; the transmission frame is provided with a first section, a second section and a third section which are sequentially arranged, the first section is fixedly connected with the vibration source, the second section is fixedly connected with the support, and the third section extends out of the first accommodating groove and is fixedly connected with the brush head assembly.

Further, the vibration source includes a vibration motor, and a gravity body connected to an output shaft of the vibration motor, and a center of gravity of the gravity body deviates from a central axis of the output shaft.

Further, the driving frame includes the installation department, and has the first section the second section reaches the transmission shaft pole of third section, the installation department with first section fixed connection, just the mounting groove has been seted up to the installation department, vibrating motor include motor body and connect in motor body the output shaft, motor body locates in the mounting groove and with installation department interference fit, the output shaft stretch out in the mounting groove.

Further, the support and the transmission frame are integrally formed.

Furthermore, the electronic control assembly comprises a battery, a circuit board and a key part, wherein the key part is electrically connected with the circuit board, the circuit board is electrically connected with the battery, and the battery and the circuit board are both electrically connected with the vibration source.

Furthermore, the bracket is also provided with a second accommodating groove, and the battery is arranged in the second accommodating groove; the electric toothbrush further comprises two shock pads which are respectively arranged at two opposite ends of the battery and located in the second accommodating groove, and the two shock pads can avoid the two opposite ends of the battery from contacting with the bracket.

Furthermore, the electric toothbrush further comprises a shell provided with an accommodating cavity, the support, the battery, the circuit board, the vibration source and the first section are all located in the accommodating cavity, the third section extends out of the accommodating cavity, and the key part extends out of the accommodating cavity.

Furthermore, the shell comprises a shell main body, and a cap shell and a bottom cover which are respectively connected to two opposite ends of the shell main body, the cap shell and the bottom cover enclose to form the accommodating cavity, the electronic control assembly further comprises a charging thimble, and the charging thimble and the bottom cover are integrally formed by injection molding.

Furthermore, the electric toothbrush further comprises an elastic cap ring, and the elastic cap ring is sleeved on the periphery of the transmission shaft rod and is in interference fit with the transmission shaft rod and the cap shell.

Further, the electric toothbrush further comprises a brush head cover, and the brush head cover is detachably connected with the shell to cover the brush head assembly.

Implement the embodiment of the utility model provides a, will have following beneficial effect:

the utility model provides an electric toothbrush, through setting up the vibration source in the first storage tank of support, and make first section and third section respectively with vibration source and brush head subassembly fixed connection, make the vibration source in case vibrate and can drive brush head subassembly vibration, and, because with second section and support fixed connection between first section and the third section, first section and third section all form the structure of similar cantilever beam for the second section, so, when the vibration source drives first section vibration, then the third section drives brush head subassembly and does the motion opposite to first section direction, such design can effectively transmit vibration power, adjust the vibration amplitude, and help optimizing electric toothbrush's internal layout, make under the condition that the volume is as little as possible, can arrange the vibration source in the support, change the situation that need set up the vibration source in the inside of brush head subassembly and make the volume of brush head subassembly have to expand in the past, therefore the utility model provides an electric toothbrush compares its brush head subassembly with present electric toothbrush and can do for a short time as far as possible, and the simple structure controllability of vibration subassembly is strong moreover, when guaranteeing good clean ability, has effectively optimized user experience.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of an electric toothbrush according to an embodiment of the present invention;

FIG. 2 is a first schematic view of an exploded configuration of the powered toothbrush provided in FIG. 1;

FIG. 3 is a second schematic view of the powered toothbrush of FIG. 1 in an exploded configuration;

FIG. 4 is a third schematic view of an exploded structure of the powered toothbrush provided in FIG. 1;

fig. 5 is a fourth schematic view of an exploded structure of the electric toothbrush provided in fig. 1.

Wherein, in the figures, the respective reference numerals:

10. an electric toothbrush;

100. a support; 110. a first accommodating groove; 120. a second accommodating groove; 130. a positioning column; 140. clamping;

200. a vibrating assembly; 210. a vibration source; 211. a vibration motor; 2111. a motor body; 2112. an output shaft; 212. a gravity body; 220. a transmission frame; 221. an installation part; 2211. mounting grooves; 222. a drive shaft; 2221. a first stage; 2222. a second stage; 2223. a third stage;

300. a brush head assembly; 310. a brush head body; 311. a card slot; 320. a connecting member;

400. an electronic control assembly; 410. a battery; 420. a circuit board; 421. positioning holes; 422. a wiring hole; 430. a key section; 440. switching the circuit board;

500. a shock pad;

600. a damping sheet;

700. a housing; 710. an accommodating cavity; 720. a housing main body; 730. a bottom cover; 740. a cap shell; 750. a decorative member;

800. a charging thimble;

900. an elastic cap ring;

1000. a brush head cover;

1100. a charging seat; 1110. and (4) a slot.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the 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 specifically limited otherwise.

Referring to fig. 1 to 4 together, an electric toothbrush 10 according to the present invention will now be described. The electric toothbrush 10 comprises a support 100, a vibration assembly 200, a brush head assembly 300 and an electric control assembly 400, wherein the vibration assembly 200 comprises a vibration source 210 and a transmission frame 220, the transmission frame 220 is provided with a first section 2221, a second section 2222 and a third section 2223 which are sequentially arranged along a straight line, wherein the first section 2221 is fixedly connected with the vibration source 210, the second section 2222 is fixedly connected with the top end of the support 100, the third section 2223 is fixedly connected with the brush head assembly 300, the support 100 is provided with a first accommodating groove 110, the vibration source 210 and the first section 2221 are positioned in the first accommodating groove 110, and the third section 2223 extends out of the first accommodating groove 110; the electronic control unit 400 is electrically connected to the vibration source 210.

In this way, the vibration source 210 is disposed in the first receiving groove 110 of the bracket 100, and the first section 2221 and the third section 2223 of the transmission frame 220 are respectively and fixedly connected with the vibration source 210 and the brush head assembly 300, so that the brush head assembly 300 can be driven to vibrate by the vibration source 210 once vibrating, and the second section 2222 between the first section 2221 and the third section 2223 is fixedly connected with the bracket 100, so that the first section 2221 and the third section 2223 form a structure similar to a cantilever beam with respect to the second section 2222, and thus, when the vibration source 210 drives the first section 2221 to vibrate, the third section 2223 drives the brush head assembly 300 to move in a direction opposite to that of the first section 2221, such a design can effectively transmit vibration power, adjust vibration amplitude, and help to optimize the internal layout of the electric toothbrush 10, so that the vibration source 210 can be disposed in the bracket 100 when the volume is as small as possible, the situation that the vibration source 210 needs to be arranged inside the brush head assembly 300 so that the volume of the brush head assembly 300 has to be expanded is changed, therefore, compared with the current electric toothbrush 10, the electric toothbrush 10 provided by the utility model has the advantages that the brush head assembly 300 can be made as small as possible, the vibration assembly 200 has simple structure and strong controllability, and the user experience is effectively optimized while the excellent cleaning capability is ensured.

Further, referring to fig. 3 to 5, as an embodiment of the electric toothbrush 10 of the present invention, the vibration rack includes a mounting portion 221 and a transmission shaft 222, the transmission shaft 222 has the first section 2221, the second section 2222 and the third section 2223, wherein the mounting portion 221 is connected to the first section 2221 of the transmission shaft 222, the mounting portion 221 is provided with a mounting groove 2211, and the vibration source 210 is disposed in the mounting groove 2211 and is in interference fit with the mounting portion 221. That is, by the vibration source 210 being tightly fitted to the mounting part 221, the vibration power of the vibration source 210 is efficiently transmitted to the mounting part 221, the first section 2221 and the third section 2223, and finally the brush head assembly 300 is vibrated.

Further, referring to fig. 3 to 5, as an embodiment of the electric toothbrush 10 of the present invention, the vibration source 210 includes a vibration motor 211 and a gravity body 212, and the vibration motor 211 is electrically connected to the electronic control assembly 400. Specifically, the vibration motor 211 includes a motor body 2111 and an output shaft 2112 connected to the motor body 2111, the motor body 2111 is disposed in the mounting groove 2211, the mounting portion 221 fitted with the motor body clasps the motor body 2111 along the circumferential direction of the motor, the output shaft 2112 extends out of the mounting groove 2211 and is fixedly connected to the gravity body 212, and the center of gravity of the gravity body 212 deviates from the central axis of the output shaft 2112, so that when the output shaft 2112 rotates under the control of the electronic control assembly 400, the gravity body 212 is driven to rotate around the central axis of the output shaft 2112, because the center of gravity of the gravity body 212 deviates from the central axis of the output shaft 2112, the motion of the gravity body 212 will react on the output shaft 2112, and further the motor body 1 undergoes multi-angle radial displacement, and because the motor body 2111 is tightly fitted with the mounting portion 211221, the mounting portion 221 will also vibrate along with the motion of the motor body 2111, thereby transmitting vibrations to the first and

third sections

2221, 2223 and ultimately causing the brushhead assembly 300 to vibrate. In this embodiment, the gravity body 212 is preferably a semi-cylindrical eccentric wheel, but in other embodiments of the present invention, the gravity body 212 may have other shapes to meet the requirement that the center of gravity is deviated from the central axis of the output shaft 2112, which is not limited herein.

Further, referring to fig. 4 and 5, as a specific embodiment of the electric toothbrush 10 provided by the present invention, the brush head assembly 300 includes a brush head body 310 and a connecting member 320, a slot 311 is provided in the brush head body 310, the connecting member 320 is embedded in the slot 311 and forms a fixed connection with the brush head body 310, and meanwhile, the connecting member 320 is fixedly connected with the third section 2223 of the transmission shaft 222, so that the transmission shaft 222 can drive the brush head body 310 to vibrate.

Further, referring to fig. 3 to 5, as an embodiment of the electric toothbrush 10 of the present invention, the electric control assembly 400 includes a battery 410, a circuit board 420 and a button portion 430, wherein the button portion 430 is electrically connected to the circuit board 420, the circuit board 420 is electrically connected to the battery 410, and the battery 410 and the circuit board 420 are both electrically connected to the vibration motor 211, so that a user can control the vibration motor 211 through the button portion 430. In addition, the bracket 100 is further provided with a second receiving groove 120, the second receiving groove 120 is located at a side of the first receiving groove 110 away from the brush head assembly 300, wherein the battery 410 is disposed in the second receiving groove 120, and the circuit board 420 is fixedly disposed on the bracket 100. Specifically, the plurality of positioning columns 130 and the plurality of clamping positions 140 are arranged on the bracket 100, and the circuit board 420 and the bracket 100 are fixed into a whole through the positioning columns 130 and the clamping positions 140, so that noise generated by collision between the bracket 100 and the circuit board 420 is avoided, the noise source of the whole electric toothbrush 10 is effectively reduced, and user experience is further optimized.

Preferably, there are four positioning columns 130, two positioning blocks 140, and correspondingly, four positioning holes 421 for the four positioning columns 130 to pass through are formed on the circuit board 420. In addition, the circuit board 420 is further provided with a plurality of wire holes 422, so that the layout of the components inside the electric toothbrush 10 can be facilitated.

Preferably, the battery 410 is a rechargeable battery.

Further, referring to fig. 3 to 5, as a specific embodiment of the electric toothbrush 10 of the present invention, the electric toothbrush 10 further includes two shock absorbing pads 500, the two shock absorbing pads 500 are respectively disposed at two opposite ends of the battery 410 and are both located in the second accommodating groove 120, that is, the two shock absorbing pads 500 separate the two opposite ends of the battery 410 from the bracket 100. Thus, the collision between the opposite ends of the battery 410 and the bracket 100 can be prevented, the noise source is further reduced, the user experience is improved, and the service life of the electric toothbrush 10 can be prolonged. The shock absorbing pad 500 is preferably a silicone member.

Further, the damping sheet 600 may be disposed around the battery 410 in the circumferential direction to further reduce noise, and the damping sheet 600 is preferably an EVA material.

Further, referring to fig. 1 to 5, as a specific embodiment of the electric toothbrush 10 of the present invention, the electric toothbrush 10 further includes a housing 700, the housing 700 is provided with a receiving cavity 710, the bracket 100, the battery 410, the circuit board 420, the vibration source 210, the mounting portion 221, and the first section 2221 of the transmission shaft 222 are all located in the receiving cavity 710, the third section 2223 of the transmission shaft 222 extends out of the receiving cavity 710, the key portion 430 partially extends out of the receiving cavity 710, and the bracket 100 is fixedly connected to the inner wall of the housing 700. It will be appreciated that the housing 700 serves to protect the electronic control assembly 400, the bracket 100, the vibration source 210, and the transmission shaft 222 on the one hand, and to provide a user with a grip, i.e., a hand that can hold the housing 700 for use of the electric toothbrush 10. In addition, the key part 430 partially protrudes out of the housing 700, so that a user can control the on/off of the vibration motor 211 or adjust the vibration amplitude of the vibration motor 211 through the key part 430.

Specifically, the housing 700 includes a housing main body 720, a bottom cover 730 and a cap 740, wherein the bottom cover 730 and the cap 740 are respectively connected to opposite ends of the housing main body 720, the bottom cover 730 and the cap 740 surround to form the receiving cavity 710, and a through hole (not shown) is formed in the cap 740, through which the third section 2223 of the transmission shaft 222 passes.

Preferably, a decoration 750 is further provided between the cap case 740 and the case body 720.

Further, referring to fig. 4 to 5, as an embodiment of the electric toothbrush 10 of the present invention, the electric toothbrush 10 further includes a charging pin 800, and the charging pin 800 is disposed on the bottom cover 730 and electrically connected to the battery 410 and the circuit board 420. Particularly, the charging thimble 800 and the bottom cover 730 are integrally injection molded, that is, the charging thimble 800 is directly placed in an injection mold for molding the bottom cover 730, so that the molded bottom cover 730 is provided with the charging thimble 800, thus, the installation process of the charging thimble 800 is omitted, and the charging thimble 800 and the housing 700 are ensured to be sealed and stably matched, thereby ensuring excellent waterproof performance, prolonging the service life of the electric toothbrush 10, and reducing the cost.

Preferably, the electric toothbrush 10 further includes a relay circuit board 440 connected to the bottom cover 730, wherein the relay circuit board 440 is used for connecting the charging needle 800 with the circuit board 420 and the battery 410.

Further, referring to fig. 3 to 5, as an embodiment of the electric toothbrush 10 provided by the present invention, the electric toothbrush 10 further includes an elastic cap ring 900, the elastic cap ring 900 is sleeved on the periphery of the transmission shaft 222, and the inner side and the outer side of the elastic cap ring 900 are respectively in interference fit with the transmission shaft 222 and the cap housing 740, that is, the elastic cap ring 900 is located between the transmission shaft 222 and the cap housing 740. Thus, the power transmitted from the transmission shaft rod 222 to the cap shell 740 can be reduced as much as possible, namely, the shock absorption effect is achieved, the moisture can be prevented from entering the accommodating cavity 710 from the through hole, the excellent waterproof effect is achieved, and the user experience and the performance of the electric toothbrush 10 are further optimized.

Preferably, the elastic cap ring 900 is preferably a silicone member. Of course, in other embodiments of the present invention, the elastic cap ring 900 may be made of other elastic waterproof materials, which is not limited herein.

Further, referring to fig. 3 to 5, as an embodiment of the electric toothbrush 10 of the present invention, the transmission shaft 222, the mounting portion 221 and the bracket 100 are integrally formed. The components are integrally formed, so that on one hand, the installation procedure can be reduced, and the cost is saved; on the other hand, if the components are formed separately and then connected in a certain mode, certain matching deviation is inevitably generated, and relative movement between the components is caused to form noise, so that the components can be integrally formed to reduce noise sources, and the user experience is further optimized. Preferably, the transmission shaft 222 is a hardware, and the transmission shaft 222 is placed in an injection mold to be integrally formed with the mounting portion 221 and the bracket 100 during manufacturing.

Further, referring to fig. 1 to 5, as an embodiment of the electric toothbrush 10 provided by the present invention, the electric toothbrush 10 further includes a brush head cover 1000, and the brush head cover 1000 is detachably connected to the cap case 740 to cover the brush head assembly 300. Therefore, the brush head body 310 can be prevented from being invaded by external dust, the brush head body 310 is kept clean, and the brush head is convenient to carry outside.

Further, referring to fig. 1 to 5, as an embodiment of the electric toothbrush 10 provided by the present invention, the electric toothbrush 10 further includes a charging seat 1100, the charging seat 1100 is provided with a slot 1110, a charging terminal (not shown) is disposed in the slot 1110, the charging terminal can be electrically connected to an external power source, the housing 700 can be inserted into the slot 1110, and the charging terminal can contact with the charging pin 800 and form an electrical connection. In this manner, the user can conveniently charge the battery 410.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An electric toothbrush, comprising:

the bracket is provided with a first accommodating groove;

a brush head assembly;

an electronic control assembly; and

the vibration assembly comprises a vibration source which is arranged in the first accommodating groove and electrically connected with the electric control assembly, and a transmission frame which is partially positioned in the first accommodating groove; the transmission frame is provided with a first section, a second section and a third section which are sequentially arranged, the first section is fixedly connected with the vibration source, the second section is fixedly connected with the support, and the third section extends out of the first accommodating groove and is fixedly connected with the brush head assembly.

2. The powered toothbrush of claim 1, wherein: the vibration source comprises a vibration motor and a gravity body connected to an output shaft of the vibration motor, and the gravity center of the gravity body deviates from the central axis of the output shaft.

3. The powered toothbrush of claim 2, wherein: the driving frame comprises an installation part and a driving shaft rod provided with a first section, a second section and a third section, the installation part is fixedly connected with the first section, a mounting groove is formed in the installation part, the vibration motor comprises a motor body and is connected with the motor body, an output shaft is arranged in the motor body, the motor body is arranged in the mounting groove and in interference fit with the installation part, and the output shaft extends out of the mounting groove.

4. The electric toothbrush according to any one of claims 1 to 3, wherein: the support reaches the driving frame integrated into one piece.

5. The powered toothbrush of claim 3, wherein: the electronic control assembly comprises a battery, a circuit board and a key part, wherein the key part is electrically connected with the circuit board, the circuit board is electrically connected with the battery, and the battery and the circuit board are both electrically connected with the vibration source.

6. The powered toothbrush of claim 5, wherein: the bracket is also provided with a second accommodating groove, and the battery is arranged in the second accommodating groove; the electric toothbrush further comprises two shock pads which are respectively arranged at two opposite ends of the battery and located in the second accommodating groove, and the two shock pads can avoid the two opposite ends of the battery from contacting with the bracket.

7. The powered toothbrush of claim 5, wherein: the electric toothbrush further comprises a shell provided with a containing cavity, the support, the battery, the circuit board, the vibration source and the first section are all located in the containing cavity, the third section extends out of the containing cavity, and the key part extends out of the containing cavity.

8. The powered toothbrush of claim 7, wherein: the shell comprises a shell main body, a cap shell and a bottom cover, wherein the cap shell and the bottom cover are respectively connected to two opposite ends of the shell main body, the cap shell and the bottom cover are enclosed to form the accommodating cavity, the electronic control assembly further comprises a charging thimble, and the charging thimble and the bottom cover are integrally formed in an injection molding mode.

9. The powered toothbrush of claim 8, wherein: the electric toothbrush further comprises an elastic cap ring, and the elastic cap ring is sleeved on the periphery of the transmission shaft rod and is in interference fit with the transmission shaft rod and the cap shell.

10. The electric toothbrush according to any one of claims 7 to 9, wherein: the electric toothbrush further comprises a brush head cover, and the brush head cover is detachably connected with the shell to cover and seal the brush head assembly.