CN219782797U

CN219782797U - Toothbrush handle and electric toothbrush

Info

Publication number: CN219782797U
Application number: CN202320533984.4U
Authority: CN
Inventors: 丁科比; 刘坤光; 刘仕华
Original assignee: Guangzhou Stars Pulse Co Ltd
Current assignee: Guangzhou Stars Pulse Co Ltd
Priority date: 2023-03-16
Filing date: 2023-03-16
Publication date: 2023-10-03
Anticipated expiration: 2033-03-16

Abstract

The utility model discloses a toothbrush handle and an electric toothbrush. The shell is provided with a mounting cavity and comprises a first side and a second side opposite to the first side, and light transmission areas are arranged on the first side and the second side; the machine core is arranged in the mounting cavity, the machine core comprises a mounting bracket and a motor assembly, the motor assembly is arranged on the mounting bracket, and the motor assembly is provided with a first surface opposite to the first side and a second surface opposite to the second side; the circuit board is fixed on the mounting bracket; the electronic components are including locating two between first surface and the first side and locating between second surface and the second side, and two electronic components are all spaced apart with the inner wall of installation cavity, and/or are equipped with elastic buffer between two electronic components and the inner wall of installation cavity. The technical scheme of the utility model realizes that the electronic components are not easy to be damaged in the assembly production process of the electric toothbrush.

Description

Toothbrush handle and electric toothbrush

Technical Field

The utility model relates to the technical field of oral cavity cleaning devices, in particular to a toothbrush handle and an electric toothbrush using the same.

Background

In the related art, a handle of the electric toothbrush is provided with a mode display function and an overvoltage induction function, a circuit board and a lamp bead electrically connected with the circuit board are structurally arranged on a machine core of the handle, a window is formed in a shell of the handle so as to install and fix the lamp bead, a function selected by a user is displayed through light of the lamp bead, and a prompt is sent when a brush head is subjected to larger pressure.

However, in this structural form, during the assembly production of the handle, the internal structure of the handle is pushed into the mounting cavity of the housing together, which easily results in mutual extrusion between the lamp beads and the inner wall of the housing, and further, the structure of the lamp beads is easily damaged, resulting in abnormal functions.

Disclosure of Invention

The embodiment of the utility model provides a toothbrush handle and an electric toothbrush, which can realize the situation that the structure of electronic components in the toothbrush handle is not easily damaged in the assembly production process.

In a first aspect, embodiments of the present utility model provide a toothbrush handle for driving a brush head in an electric toothbrush, comprising:

the shell is provided with a mounting cavity and comprises a first side and a second side opposite to the first side, the first side and bristles on the brush head are positioned on the same side, and light transmission areas are arranged on the first side and the second side;

the motor assembly is arranged on the mounting bracket and is provided with a first surface opposite to the first side and a second surface opposite to the second side;

the circuit board is fixed on the mounting bracket; and

the electronic components, with the circuit board electricity is connected, and send out the suggestion light under the control of circuit board, the suggestion light is via the light-passing area outwards propagates, wherein, electronic components is including locating between first surface and the first side and locating two between second surface and the second side, two electronic components respectively with be located first side and be located the light-passing area of second side are relative, at least one electronic components with motor assembly fixed connection, motor assembly is relative when the installing support takes place to shift, this connection is in motor assembly is last electronic components follows motor assembly removes, two electronic components all with the inner wall of installation cavity is spaced apart, and/or, two electronic components with be equipped with elastic buffer element between the inner wall of installation cavity.

According to the technical scheme, the light transmission areas are formed on the first side and the second side of the shell, and the electronic components are further arranged on the first surface of the movement facing the first side and the second surface facing the second side, so that the light rays emitted by the two electronic components are respectively transmitted outwards through the light transmission areas corresponding to the light rays, and the electric toothbrush can be used conveniently from the two opposite sides of the shell, so that mode information or overvoltage prompt information can be observed, and the electric toothbrush is convenient to use. In addition, the utility model fixes the electronic components on the movement by arranging the light-transmitting area on the shell, and the electronic components are integrally arranged with the movement, the shell is not provided with a through hole for installing the electronic components, and the two electronic components are further separated from the inner wall of the installation cavity, and/or an elastic buffer piece is arranged between the two electronic components and the inner wall of the installation cavity, so that when the handle of the toothbrush is assembled and produced, the electronic components move together to push into the installation cavity in the shell, and the electronic components can not be extruded with the inner wall of the installation cavity due to the existence of gaps or the protection of the elastic buffer piece, thereby ensuring the structural integrity of the electronic components, ensuring the normal function of the electronic components, and prolonging the service life of the whole electric toothbrush.

In some embodiments, the housing includes a cylindrical shell and a light-transmitting member, the shell is formed with a through groove on the first side and the second side respectively, the light-transmitting member includes two through grooves on the first side and two through grooves on the second side, and the light-transmitting member is filled in the through grooves and formed into the light-transmitting region.

In some embodiments, the housing further includes two light guide members disposed in the housing, the two light guide members being disposed opposite the light transmission member disposed on the first side and the light transmission member disposed on the second side, respectively, and both of the light guide members being fixedly connected to the housing;

or, the light guide member comprises two light guide portions and a connecting portion for connecting the two light guide portions, the two light guide portions are respectively opposite to the light transmission member positioned on the first side and the second side, and the connecting portion is fixedly connected with the shell.

In some embodiments, the housing includes a cylindrical shell and a light-transmitting member, and the shell is formed with through grooves on the first side and the second side respectively;

the light-transmitting piece comprises a bushing with an annular section and two light-transmitting parts, the two light-transmitting parts are respectively connected with one side of the bushing facing the first side and one side of the bushing facing the second side, and the light-transmitting parts are filled in the through grooves and form light-transmitting areas.

In some embodiments, the light-transmitting portions are provided with at least two and extend in the length direction of the housing, and the at least two light-transmitting portions are arranged at intervals in the circumferential direction of the housing.

In some embodiments, a spacing between adjacent two of the light-transmitting portions in the circumferential direction of the housing is greater than or equal to 0.5 millimeter.

In some embodiments, the light transmissive portion has a length greater than or equal to 10 millimeters and a width dimension of the light transmissive portion is greater than or equal to 1.5 millimeters.

In some embodiments, the housing includes a free end and a connecting end at each end in a length direction thereof, the connecting end facing the brush head, the connecting end for connection with the brush head;

the circuit board is provided with a function key, the function key is exposed from the first side, the function key is positioned on the shell and is closer to the middle upper part of the connecting end than the free end, and a light transmission area positioned on the first side is positioned between the function key and the connecting end.

In some embodiments, the electronic component located between the first surface and the first side is configured to display a mode prompt message outwards through the light-transmitting area located on the first side when the function key is triggered.

In some embodiments, the toothbrush handle further comprises a pressure sensing device electrically connected to the circuit board and configured to detect pressure information of the motor assembly, wherein the pressure sensing device causes the electronic component located between the second surface and the second side to conduct when subjected to pressure exceeding a threshold pressure, so as to display an overpressure prompt message outwards through the light-transmitting area located on the second side.

In some embodiments, the motor assembly comprises a motor and a mounting shell, the mounting shell and the mounting bracket are rotatably connected through a radial pivot shaft which axially serves as the housing, an elastic reset piece is arranged between the mounting shell and the mounting bracket, and the two electronic components are respectively fixed on the surface of the mounting shell facing the first side and the surface facing the second side.

In some embodiments, the mounting shell includes a bottom shell and a fixing member, the bottom shell and the mounting bracket are rotatably connected through a pivot shaft which is in a radial direction of the housing, the bottom shell is formed with a mounting groove which is open towards the second side, the fixing member is fixedly connected with the bottom shell and extends towards the brush head direction, one electronic component is fixed on the fixing member, and the other electronic component is fixed on the bottom shell.

In some embodiments, one of the two electronic components is a display screen, and the other is a lamp bead;

or, the two electronic components are display screens;

or, the two electronic components are lamp beads.

In some embodiments, the motor assembly includes a motor and a mounting case, wherein flat positions are respectively formed on two surfaces of the mounting case facing the first side and the second side, and the two electronic components are respectively mounted on the flat positions on the corresponding sides.

In some embodiments, the electronic component and the circuit board are electrically connected through a wire, an avoidance groove extending in the circumferential direction of the mounting shell is formed on the side surface of the mounting shell, and the wire extends in the avoidance groove.

In some embodiments, the wire includes a first section connected to the electronic component, a second section connected to the circuit board, and a redundant section connecting the first section and the second section, the redundant section having a length greater than a length of the relief groove.

In some embodiments, a vibration damper is disposed between the motor and the mounting housing.

In a second aspect, embodiments of the present utility model provide an electric toothbrush comprising a brush head and a toothbrush handle as described above, the motor assembly in the toothbrush handle having an output shaft, a portion of the output shaft being structured to extend out of the housing, the brush head being mounted to the output shaft.

In some embodiments, the brush head comprises a brush bar and bristles disposed on the brush bar, wherein the bristles are oriented at an angle ranging from 30 ° to 60 ° from a normal to the light-transmitting region on the first side.

Drawings

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

FIG. 1 is a perspective view of an electric toothbrush according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of the electric toothbrush of FIG. 1 from another perspective;

FIG. 3 is a schematic cross-sectional view of the electric toothbrush of FIG. 1;

FIG. 4 is an enlarged schematic view of FIG. 3 at A;

FIG. 5 is an exploded view of the electric toothbrush of FIG. 1 from a perspective;

FIG. 6 is an exploded view of the electric toothbrush of FIG. 1 from another perspective;

FIG. 7 is an exploded view of the electric toothbrush of FIG. 1 from a further perspective;

FIG. 8 is a schematic perspective view of a toothbrush handle of an electric toothbrush in accordance with another embodiment of the present utility model;

fig. 9 is an exploded view of the toothbrush handle of fig. 8.

Reference numerals illustrate:

100. a housing; 110. a housing; 111. a mounting cavity; 113. a through groove; 115. a free end; 117. a connection end; 100a, a first side; 100b, a second side; 100c, a light transmission area; 130. a light transmitting member; 131. a light transmitting portion; 133. a bushing; 150. a light guide; 151. a light guide section; 153. a connection part; 190. a function key; 200. a movement; 210. a mounting bracket; 230. a motor assembly; 231. a motor; 232. a mounting shell; 234. a bottom case; 235. a fixing member; 236. a flat position; 237. an avoidance groove; 230a, a first surface; 230b, a second surface; 250. a vibration damping member; 300. a circuit board; 310. a wire; 311. a first section; 312. a second section; 313. a redundant segment; 400. an electronic component; 500. a power supply unit; 600. a toothbrush handle; 700. a brush head; 710. brushing; l1, L2, gap; 1000. an electric toothbrush.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings.

When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the utility model. Rather, they are merely examples of apparatus and methods consistent with some aspects of the utility model as detailed in the accompanying claims.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, in one aspect, the present utility model provides an electric toothbrush 1000, wherein the electric toothbrush 1000 includes a toothbrush handle 600 and a brush head 700 mounted on the toothbrush handle 600, and in use, a user holds the toothbrush handle 600, and the toothbrush handle 600 drives the brush head 700 to vibrate at high frequency to clean the oral cavity.

In the embodiment of the present utility model, the toothbrush handle 600 includes a housing 100, function keys 190 mounted on the housing 100, a movement 200 mounted in the housing 100, a circuit board 300, and an electronic component 400, and the brush head 700 is in driving connection with the movement 200. The electronic component 400 and the circuit board 300 are fixed together with the movement 200.

The housing 100 is in the form of a rod, and the body structure of the housing 100 may be of a plastic material, for example, suitable exemplary materials that may be used include, but are not limited to, hard plastics such as polyethylene, polypropylene (PP), polyamide, polyester, cellulosic, SAN, acrylic, ABS, and other thermoplastics suitable for toothbrush manufacture, although the body structure of the housing 100 may also be of a metal material, such as aluminum alloy, as the utility model is not limited in this regard. The housing 100 includes a first side 100a and a second side 100b opposite to the first side 100a on opposite sides in a radial direction thereof, the first side 100a being positioned on the same side as the bristles 710 on the brush head 700, and the first side 100a and the second side 100b each being provided with a light-transmitting region 100c. It will be appreciated that the light-transmitting region 100c of the present utility model may be a portion of the wall of the housing 100, and that the portion of the light-transmitting region 100c and the main structure of the housing 100 may be integrally formed by two-shot molding, or, of course, the light-transmitting region 100c may be a separate wall structure distinct from the main structure of the housing 100, and the wall structure and the main structure of the housing 100 may be fixed together by, for example, welding, hot-melt, adhesive, or the like. In one possible implementation, the portion of the housing 100 corresponding to the light-transmitting region 100c may be made of a transparent material, such as plastic, glass, etc., which is not limited by the present utility model.

The shell 100 is internally provided with a mounting cavity 111, the movement 200 is arranged in the mounting cavity 111, the movement 200 comprises a mounting bracket 210, and a motor assembly 230 and a power supply unit 500 which are arranged on the mounting bracket 210, the motor assembly 230, the power supply unit 500 and the electronic components 400 are electrically connected with the circuit board 300, and the motor assembly 230 and the power supply unit 500 are arranged at intervals in the length direction of the mounting bracket 210. The mounting bracket 210 may also be in an elongated structure, and two chambers are formed in the mounting bracket 210 along the length direction thereof at intervals, so as to respectively mount and fix the motor assembly 230 and the power supply unit 500, wherein the power supply unit 500 provides electric energy for the motor assembly 230 and the electronic component 400. The power supply unit 500 includes a rechargeable battery, such as a lithium battery, and of course, the power supply unit 500 may be in the form of a dry battery or other forms, which the present utility model is not limited to.

Referring to fig. 4, the motor assembly 230 has a first surface 230a opposite to the first side 100a and a second surface 230b opposite to the second side 100b, the electronic component 400 includes two parts disposed between the first surface 230a and the first side 100a and between the second surface 230b and the second side 100b, at least one of the two electronic components 400 is fixedly connected with the motor assembly 230, specifically, the electronic component 400 disposed between the first surface 230a and the first side 100a is fixedly connected with the motor assembly 230, and the electronic component 400 disposed between the second surface 230b and the second side 100b is fixedly connected with the mounting bracket 210. Wherein the electronic component 400 connected to the motor assembly 230 moves along with the motor assembly 230 when the motor assembly 230 is displaced relative to the mounting bracket 210. It will be appreciated that where the motor assembly 230 has a housing wall, both electronic components 400 may be disposed on the motor assembly 230 and both move with the motor assembly 230.

The two electronic components 400 are respectively opposite to the light-transmitting areas 100c located on the first side 100a and the second side 100b, so that the electronic components 400 emit the prompt light under the control of the circuit board 300, and the prompt light propagates outwards through the light-transmitting areas 100c. In some possible implementations, the electronic component 400 located between the first surface 230a and the first side 100a is configured to display the mode prompt information outwards through the light-transmitting area 100c located on the first side 100a when the function key 190 is triggered. And the electric toothbrush 1000 of the present utility model further includes a pressure sensing device, which may be in the form of a micro switch, a pressure sensor, etc. The pressure sensing device is electrically connected to the circuit board and is used for detecting the pressed information of the motor assembly 230, and when the pressure sensing device is subjected to pressure exceeding a threshold value, the electronic component 400 between the second surface 230b and the second side 100b is conducted, so that the overpressure prompt information is displayed outwards through the light-transmitting area 100c on the second side 100 b. Thus, the mode prompt information and the overvoltage prompt information are respectively displayed on the two opposite sides of the electric toothbrush 1000, so that the electric toothbrush is in line with the use habit of the actual operation of the electric toothbrush 1000, and is convenient to use.

The housing 100 includes a free end 115 and a connection end 117 at both ends thereof in a length direction, respectively, the connection end 117 facing the brush head 700, and an output shaft in the motor assembly 230 extends from the connection end 117 for connection with the brush head 700. The function key 190 is located on the housing 100 closer to the middle-upper portion of the connection end 117 than the free end 115, and the light-transmitting region 100c located on the first side 100a is located between the function key 190 and the connection end 117. In use, a user generally holds the toothbrush handle 600 near the middle lower portion of the free end 115, and by arranging the light-transmitting area 100c on the first side 100a between the function key 190 and the connection end 117, the user can not shade the light-transmitting area 100c on the first side 100a during the process of pressing the function key 190 when switching different modes, and can observe the mode prompting light without withdrawing the brush head 700 in a vibrating state from the oral cavity, so that the use is more convenient.

In the present utility model, two electronic components 400 are fixedly connected to a motor assembly 230, and when the motor assembly 230 is displaced relative to the mounting bracket 210, the two electronic components 400 move along with the motor assembly 230. Specifically, the motor assembly 230 and the mounting bracket 210 may be rotatably coupled by a pivot, wherein the axial direction of the pivot may be radial to the housing 100, such that forces transmitted from the brush head 700 to the cartridge 200 during use of the electric toothbrush 1000 may cause the motor assembly 230 to oscillate, in which case a pressure sensor is disposed between the motor assembly 230 and the mounting bracket 210. The pressure sensor is triggered during the swinging process of the motor assembly 230, so as to feed back a pressed signal to the circuit board 300, and the circuit board further controls the electronic component 400 located between the second surface 230b and the second side 100b to be conducted, and sends out an overpressure prompt message through the corresponding light-transmitting area 100c.

Both electronic components 400 of the present utility model are spaced apart from the inner wall of the mounting cavity 111, as exemplarily shown in fig. 4, the spacing between the electronic component 400 located between the first surface 230a and the first side 100a and the inner wall of the mounting cavity 111 is L1, and the electronic component 400 located between the second surface 230b and the second side 100b is L2. The values of L1 and L2 may be the same or different, for example, as shown in the figure, the value of L2 is greater than L1, and in some possible solutions, both L1 and L2 are greater than 0.2 mm, so that the risk of rubbing between the electronic component 400 and the inner wall of the mounting cavity 111 during the assembly of the toothbrush handle 600 can be effectively reduced. Of course, an elastic buffer is provided between the other and/or the two electronic components 400 and the inner wall of the mounting cavity 111. The elastic buffer member may be in the form of foam, silica gel pad, etc., and it is understood that the elastic buffer member may be provided with a structure corresponding to the avoidance hole of the electronic component 400, etc., without shielding the electronic component 400.

Therefore, in the electric toothbrush 1000 of the present utility model, the light transmitting areas 100c are formed on the first side 100a and the second side 100b of the housing 100 of the toothbrush handle 600, and the electronic components 400 are further disposed on the first surface 230a of the movement 200 facing the first side 100a and the second surface 230b facing the second side 100b, so that the light transmitting areas 100c corresponding to the light emitted by the two electronic components 400 are transmitted outwards, and thus, the mode information or the overpressure prompt information can be conveniently observed from the opposite sides of the housing 100 during the use of the electric toothbrush 1000 of the present utility model, and the use is convenient. In addition, the electronic components 400 are fixed on the movement 200 by arranging the light-transmitting area 100c on the shell 100, are integrally arranged with the movement 200, and further space the two electronic components 400 from the inner wall of the mounting cavity 111, and/or an elastic buffer member is arranged between the two electronic components 400 and the inner wall of the mounting cavity 111, so that the electronic components 400 move together with the movement 200 to push into the mounting cavity 111 in the shell 100 in the process of assembling and producing the toothbrush handle 600 of the electric toothbrush 1000, and the electronic components 400 cannot be extruded with the inner wall of the mounting cavity 111 due to the existence of the space or the protection of the elastic buffer member, so that the structural integrity of the electric toothbrush can be ensured, the normal function of the electric toothbrush can be ensured, and the service life of the whole electric toothbrush 1000 can be prolonged.

Referring to fig. 5 to fig. 7 in combination, in an embodiment, the housing 100 includes a cylindrical housing 110 and a transparent member 130, the housing 110 is formed with a through slot 113 on a first side 100a and a second side 100b, the transparent member 130 includes two through slots 113 disposed on the first side 100a and two through slots 113 disposed on the second side 100b, and the transparent member 130 is filled in the through slots 113 and formed into the transparent region 100c. The housing 110 of the present utility model is made of a non-light-transmitting material, the light-transmitting member 130 is also constructed as a wall covering the entire through-slot 113, and may be formed as a unitary structure with the housing 110 by, for example, two-shot molding, wherein the outer wall surface of the light-transmitting member 130 and the outer wall surface of the housing 110 may be disposed coplanar. Through such arrangement, the light emitted by the electronic component 400 can be more uniformly and softly spread outwards by the light-transmitting member 130, and compared with the existing scheme of directly displaying outwards through the lamp beads, the visual effect is better.

The electronic component 400 of the present utility model may be in the form of a point light source, for example, in the form of LED beads, or in the form of a display screen, etc. In the solutions shown in fig. 5 to 7, in the case of the point light source form of the electronic component 400, in order to further improve the light emitting effect, the casing 100 further includes two light guide members 150 located in the casing 110, where the two light guide members 150 are disposed opposite to the light transmitting member 130 located on the first side 100a and the light transmitting member 130 located on the second side 100b, and the two light guide members 150 are fixedly connected with the casing 110, where the light guide members 150 and the casing 110 may be integrally formed in a two-shot manner, and may be fixed by non-integral manners such as gluing, hot melting, welding, and the like, and when the light guide members 150 and the casing 110 are integrally connected, the light guide members 150 have the characteristic of stable connection structure, and when the non-integral manner is adopted, the installation is more flexible, and the assembly efficiency is higher. In this embodiment, the light transmitting member 130 and the through groove 113 are both elongated and mutually adapted, and the light guiding member 150 is also elongated, so that the light emitted from the electronic component 400 is first uniformly distributed in the light guiding member 150 by the scattering effect of the light guiding member 150, and then is emitted out through the light transmitting member 130, so that the light observed from the outside is more uniform, and the display effect is better. The light guide 150 may be made of plastic, glass, or the like.

In the above, the two light guides 150 corresponding to the first side 100a and the second side 100b respectively may be independent structuresIn other configurations, the light guide 150 may be provided to include two light guide portions 151 and a connection portion 153 connecting the two light guide portions 151 in order to improve convenience of assembly. The two light guide portions 151 are opposite to the light transmitting member 130 located at the first side 100a and the second side 100b, respectively, and the connecting portion 153 is fixedly connected to the housing 110. In this embodiment, the connecting portion 153 is made of non-light-transmitting material, the light guide portion 151 is made of light-transmitting material, and in the production process, the connecting portion 153 and the light guide portion 151 may be integrally formed into a whole, and then the whole is formed with the housing 110 by a two-shot molding method, however, the housing 110 may be molded first, and then the connecting portion 153 and the light guide portion 151 are molded second, which is understood that in other connecting forms, the connecting portion 153 and the housing 110 may be fixedly connected by other non-integral molding methods such as gluing and hot melting _。 The connection portion 153 may have an arc-shaped plate structure, and the connection portion 153 may have a cylindrical structure having a circular cross section, so that a connection area between the connection portion 153 and an inner wall surface of the housing 110 can be maximized. In the case where the connection portion 153 is a cylindrical structure, a good supporting effect for the light guide portion 151 can be achieved.

In other embodiments of forming the light-transmitting region 100c, the housing 100 also includes a cylindrical housing 110 and a light-transmitting member 130, where the housing 110 has a through slot 113 formed on the first side 100a and the second side 100b, respectively; the light-transmitting member 130 of the present embodiment includes a bushing 133 with an annular cross-section and two light-transmitting portions 131, wherein the two light-transmitting portions 131 are respectively connected to a side of the bushing 133 facing the first side 100a and a side facing the second side 100b, and the light-transmitting portions 131 are filled in the through grooves 113. The bushing 133 and the two light-transmitting portions 131 of the present embodiment may be integrally formed by integral injection molding, wherein the bushing 133 is made of a non-light-transmitting material, and the light-transmitting portions 131 are made of a light-transmitting material. In the case where the light guide 150 is so provided, the light guide 150 is also not easily released from the housing 110, and has a characteristic of a tight connection structure.

Further, the light transmitting portion 131 corresponding to the first side 100a and the light transmitting portion 131 corresponding to the second side 100b of the present embodiment are each provided with at least two and extend in the length direction of the housing 100, and the at least two light transmitting portions 131 are arranged at intervals in the circumferential direction of the housing 110. In practical application, the electric toothbrush 1000 may have multiple modes, such as a whitening mode, a cleaning mode, a caring mode, etc., and the utility model may adopt a mode that one light-transmitting portion 131 is independently displayed, and different colors may be correspondingly displayed when different modes are displayed, or of course, one color may be displayed, or the colors displayed by two adjacent light-transmitting portions 131 are different. In use, the user holds the middle lower portion of the toothbrush handle, the long light-transmitting portion 131 is easily revealed at the upper portion of the toothbrush handle 600 and easily observed by the user, thus improving the convenience of use of the electric toothbrush 1000.

Further, the interval between the adjacent two light-transmitting portions 131 in the circumferential direction of the housing 100 is greater than or equal to 0.5 mm. The distance between two adjacent light-transmitting portions 131 in the present utility model may take values of 0.5 mm, 0.6 mm, 0.7 mm.

For the convenience of observation, the present utility model may also be such that the length of the light-transmitting portion 131 is greater than or equal to 10 mm and the width dimension of the light-transmitting portion 131 is greater than or equal to 1.5 mm. By such arrangement, after the light transmitting portion 131 is lighted, in the case that the user holds the electric toothbrush 1000 by hand, the light transmitting portion 131 is easy to fall within the visual field of the user, so that it is more convenient to observe the selected mode operation.

In one embodiment, the motor assembly 230 includes a motor 231 and a mounting shell 232, the mounting shell 232 is rotatably connected with the mounting bracket 210 through a pivot axis which is radial to the housing 100, and an elastic restoring member (not labeled) is disposed between the mounting shell 232 and the mounting bracket 210, and the elastic restoring member may be a spring, a shrapnel, an elastic block, or the like. The two electronic components 400 are respectively fixed on the surface of the mounting case 232 facing the first side 100a and the surface facing the second side 100 b. In this embodiment, the two electronic components 400 are mounted on the mounting shell 232, and move along with the mounting shell 232 during the production, assembly and use processes, so that the electronic components 400 can be effectively protected, and meanwhile, the assembly and production efficiency is also higher.

Referring to fig. 8 to fig. 9, in the case where the electronic component 400 is in the form of a display screen, flat portions 236 are formed on two surfaces of the mounting case 232 facing the first side 100a and the second side 100b, respectively, and the two electronic components 400 are mounted on the flat portions 236 on the corresponding sides. In this embodiment, the mounting shell 232 may be a monolithic cylindrical structure, the motor 231 is accommodated in the mounting shell 232, and the light-transmitting member 130 in the housing 100 may be formed into a monolithic arc-shaped shell wall structure in the form of a display screen of the electronic component 400, and the display pattern of the display screen may be directly displayed outwards from the light-transmitting member 130. Through the arrangement of the flat position 236, the electronic component 400 serving as the display screen can be arranged in a limited space inside the electric toothbrush 1000 reasonably, and the whole electric toothbrush 1000 cannot be excessively large in size. And through flat 236 structure, can realize carrying out effective protection with the display screen.

In the utility model, whether the electronic component 400 is a point light source or a display screen, the mounting shell 232 may also be in a split structure, wherein the mounting shell 232 comprises a bottom shell 234 and a fixing piece 235, the bottom shell 234 and the mounting bracket 210 are rotatably connected through a pivot shaft which is axially radial to the outer shell 100, the bottom shell 234 is formed with a mounting groove which is opened towards the second side 100b, the fixing piece 235 is fixedly connected with the bottom shell 234 and extends towards the direction of the brush head 700, one electronic component 400 is fixed on the fixing piece 235, and the other electronic component 400 is fixed on the bottom shell 234. The end portion between the bottom shell 234 and the fixing member 235 may be fixed by fastening and screwing, in which the fixing member 235 may also be made of metal, and the motor 231 is convenient to be assembled and disassembled and the fixing member 235 is also convenient to be arranged in a metal form under the condition that the mounting shell 232 is in a split form.

It is understood that both electronic components 400 of the present utility model may be the same in the form of a display screen or a point light source (light bead), and that the two electronic components 400 may also be different in form, for example, the electronic components 400 located between the first surface 230a and the first side 100a are display screens, and the electronic components 400 located between the second surface 230b and the second side 100b are point light sources (light beads). Under the condition that two electronic components 400 are the display screen, the display effect that obtains in the outside is better, and technological sense is stronger, and under the condition that two electronic components 400 are the pointolite, manufacturing cost is lower, under the condition that the electronic components 400 that is located between first surface 230a and first side 100a is the display screen, and under the condition that the electronic components 400 that is located between second surface 230b and second side 100b is the form of pointolite (lamp pearl), satisfy under the condition of user demand, still compromise the lower advantage of cost.

Further, the electronic component 400 and the circuit board 300 are electrically connected to each other by the lead 310, the side surface of the mounting case 232 is formed with the escape groove 237 extending in the circumferential direction of the mounting case 232, and the lead 310 extends in the escape groove 237. The utility model can realize effective arrangement and protection of the lead 310 by forming the avoiding groove 237 on the mounting shell 232, so that the lead 310 is not scratched in the process of integrally mounting the movement 200 and other structures to the shell 100, and the assembly and disassembly are more convenient.

The conductive wire 310 may take the form of a flexible flat cable, where the conductive wire 310 includes a first section 311 connected to the electronic component 400, a second section 312 connected to the circuit board 300, and a redundant section 313 connecting the first section 311 and the second section 312, and the length of the redundant section 313 is greater than the length of the avoiding slot 237. In this embodiment, the redundant segment 313 is provided, so that the motor assembly 230 is rich in activity allowance in the swinging process, and the lead 310 is not led to drag the electronic component 400 or the circuit board 300, so that the structural damage phenomenon can be avoided. Thus, the operation stability of the electric toothbrush 1000 is higher.

Of course, in order to improve the operational stability of the electric toothbrush 1000, referring again to fig. 4 and 9, the present utility model may further provide a vibration damping member 250 between the motor 231 and the mounting case 232. The vibration absorbing member 250 may be made of sponge, silica gel, or the like. Through the setting of damping piece 250 for motor 231 can not produce rigid collision with between the installation shell 232 in the operation in-process, can reduce the wearing and tearing between installation shell 232 and the motor 231 to a certain extent, and through the cushioning effect of damping piece 250, the motor 231 transmits external shock sense to weaken, so is favorable to promoting the comfort level in the use.

In the above, the electric toothbrush 1000 of the present utility model has advantages that the penetration of liquid is not easily occurred at the light display position, and the damage of the internal structure is not easily caused during the disassembly process, which is described in detail in terms of the structural form of the toothbrush handle 600. On this basis, for the convenience of use and observation, the present utility model may also be that the included angle between the direction of the bristle 710 and the axial direction of the function key 190 is 30 ° to 60 °. In the use process of the electric toothbrush 1000, when the range of the included angle between the direction of the brush 710 and the axial direction of the key is too small, for example, less than 30 degrees, the included angle corresponding to the axis of the brush head 700 and the axis of the brush holder is smaller, in the use process, the brush head 700 is not convenient to apply force to the brush 710 to press the brush 710 to the clean oral cavity all the time, and when the range of the included angle between the direction of the brush 710 and the axial direction of the function key 190 is too large, the brush holder is closer to the face of the user in the brushing process, so that the transparent area 100c on the brush holder is not easy to observe. The above range arrangement of the present utility model ensures that the brush head 700 effectively contacts the internal structure of the oral cavity, so that the brush handle can be spaced apart from the face of the user by a proper distance while ensuring the cleaning effect, and thus the light-transmitting area 100c of the toothbrush handle 600 is more easily exposed to the human visual field, and thus the observation in the observation mode is more convenient.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A toothbrush handle for driving a brush head in an electric toothbrush, comprising:

the circuit board is fixed on the mounting bracket; and

2. The toothbrush handle according to claim 1, wherein the housing comprises a cylindrical case and a light-transmitting member, the case being formed with a through-groove on the first side and the second side, respectively, the light-transmitting member comprising two of the through-groove provided on the first side and the through-groove provided on the second side, the light-transmitting member being filled in the through-groove and formed as the light-transmitting region.

3. The toothbrush handle according to claim 2, wherein the housing further comprises two light guide members positioned in the housing and disposed opposite the light transmission member positioned on the first side and the light transmission member positioned on the second side, respectively, both of the light guide members being fixedly connected to the housing;

4. The toothbrush handle according to claim 1, wherein the housing comprises a cylindrical case and a light-transmitting member, the case being formed with through grooves on the first side and the second side, respectively;

5. The toothbrush handle according to claim 4, wherein the light-transmitting portions are provided with at least two and extend in a length direction of the housing, the at least two light-transmitting portions being arranged at intervals in a circumferential direction of the housing.

6. The toothbrush handle according to claim 5, wherein a spacing between adjacent two of the light-transmitting portions in the circumferential direction of the housing is greater than or equal to 0.5 mm.

7. The toothbrush handle according to claim 5, wherein the light-transmitting portion has a length of greater than or equal to 10 millimeters and a width dimension of greater than or equal to 1.5 millimeters.

8. The toothbrush handle according to claim 1, wherein the housing includes a free end and a connection end at both ends thereof in a length direction, respectively, the connection end being directed toward the brush head, the connection end being for connection with the brush head;

9. The toothbrush handle of claim 8, wherein the electronic component located between the first surface and the first side is configured to display a mode prompt message outwardly through the light transmissive region located at the first side upon activation of the function key;

or, the toothbrush handle further comprises a pressure sensing device, the pressure sensing device is electrically connected with the circuit board and is used for detecting the pressed information of the motor assembly, and when the pressure sensing device is subjected to pressure exceeding a threshold value, the electronic components between the second surface and the second side are conducted, so that the overpressure prompt information is displayed outwards through the light transmission area on the second side.

10. The toothbrush handle according to claim 1, wherein,

one of the two electronic components is a display screen, and the other is a lamp bead;

or, the two electronic components are display screens;

or, the two electronic components are lamp beads.

11. A toothbrush handle as claimed in claim 1, wherein the motor assembly comprises a motor and a mounting housing, the mounting housing and the mounting bracket being pivotally connected by a pivot axis which is axial to the radial direction of the housing, a resilient return member being provided between the mounting housing and the mounting bracket, the two electronic components being secured to the surface of the mounting housing facing the first side and the surface facing the second side, respectively.

12. The toothbrush handle according to claim 11 wherein the mounting case comprises a bottom case rotatably coupled to the mounting bracket by a pivot axis axially radially of the housing, the bottom case being formed with a mounting groove open toward the second side, and a fixing member fixedly coupled to the bottom case and extending toward the brush head, one of the electronic components being fixed to the fixing member and the other of the electronic components being fixed to the bottom case.

13. The toothbrush handle according to claim 1, wherein the motor assembly comprises a motor and a mounting case, two surfaces of the mounting case facing the first side and the second side are respectively formed with flat positions, and two of the electronic components are respectively mounted on the flat positions of the corresponding sides.

14. The toothbrush handle according to claim 11 or 13, wherein the electronic component and the circuit board are electrically connected by a wire, a relief groove extending in a circumferential direction of the mounting case is formed on a side surface of the mounting case, and the wire extends in the relief groove.

15. The toothbrush handle of claim 14, wherein the wire includes a first section connected to the electronic component, a second section connected to the circuit board, and a redundant section connecting the first section and the second section, the redundant section having a length greater than a length of the relief slot.

16. A toothbrush handle as claimed in claim 11 or 13, wherein a vibration damper is provided between the motor and the mounting housing.

17. An electric toothbrush comprising a brush head and a toothbrush handle as claimed in any one of claims 1 to 16, the motor assembly in the toothbrush handle having an output shaft, part of the structure of the output shaft extending out of the housing, the brush head being mounted to the output shaft.

18. The electric toothbrush of claim 17, wherein the head comprises a brush bar and bristles disposed on the brush bar, wherein the bristles are oriented at an angle in the range of 30 ° to 60 ° from a normal to the light-transmitting region on the first side.