CN213607093U

CN213607093U - Electric tooth brush

Info

Publication number: CN213607093U
Application number: CN202022332336.1U
Authority: CN
Inventors: 胡发才
Original assignee: Fuyang Oulai Electronic Technology Co ltd
Current assignee: Fuyang Oulai Electronic Technology Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-07-06
Anticipated expiration: 2030-10-19

Abstract

The utility model relates to an electric toothbrush, which comprises a brush handle and a brush head, wherein the front end of the brush handle is provided with a vibration installation head for installing the brush head, the brush handle is provided with a motor, the vibration installation head comprises a cylindrical assembly body, a longitudinal limiting block and a circumferential limiting block are arranged on the side face of the assembly body along the direction far away from the front end, the rear end of the brush head is provided with an insertion cavity for inserting the vibration installation head, the inner wall of the insertion cavity is provided with an assembly groove with an opening opposite to the socket, one part of the opening of the assembly groove is blocked and provided with an assembly lug, the other part of the opening of the assembly groove is used as an assembly position, the longitudinal limiting block enters the assembly groove from the assembly position when the vibration installation head is inserted into the insertion cavity and the brush head is abutted against the front end of the brush handle, the brush head is rotated, the longitudinal limiting block and the longitudinal inner side face of the assembly lug form longitudinal limiting matching of the vibration installation head. With the technical proposal, the utility model provides an electric toothbrush with stable assembly.

Description

Electric tooth brush

Technical Field

The utility model relates to a toothbrush field, concretely relates to electric toothbrush.

Background

The electric toothbrush is one kind of toothbrush, and the brush head produces high frequency vibration through the fast rotation or vibration of the motor core to decompose toothpaste into fine foam and clean teeth slit, and the vibration of the brush hair can promote the blood circulation in the mouth and massage gum tissue.

Traditional electric toothbrush includes brush holder and brush head, and the brush holder front end is provided with the vibration installation head of installation brush head, and the brush holder is provided with motor, power and switch, switch control motor and power between supply circuit's break-make to be provided with the operation part at the brush holder lateral wall, the brush holder rear end is provided with the interface that charges that is used for charging for the power, motor drive is provided with the eccentric block, and produces the vibration in vibration installation head department when the eccentric block is rotatory.

In daily use, there is certain inconvenient drawback in traditional structure, for example only rely on the damping cooperation to assemble between traditional brush head and the vibration installation head, too little damping force easily produces and easily drops when too big damping force is difficult to assemble, simultaneously, the visor and the brush holder of the interface that charges also only rely on the damping cooperation, can produce wearing and tearing after repeatedly pulling out and inserting, lead to the assembly stability of visor to reduce, make the interface that charges be the exposure state after the loss, easily cause the damage, influence life.

Disclosure of Invention

To the deficiency that prior art exists, the utility model aims to provide an assemble stable electric toothbrush.

In order to achieve the above purpose, the utility model provides a following technical scheme: including brush holder and brush head, the brush holder front end be provided with the vibration installation head of installation brush head, the brush holder be provided with motor, power and switch, on-off control motor and power between supply circuit's break-make to be provided with the operation part at the brush holder lateral wall, motor drive be provided with the eccentric block to when the eccentric block is rotatory at vibration installation head department vibration, its characterized in that: the vibration installation head comprises a cylindrical assembly body, a longitudinal limiting block and a circumferential limiting block are arranged on the side face of the assembly body along the direction far away from the front end, the rear end of the brush head is provided with an insertion cavity for the vibration installation head to be inserted into, the insertion cavity is provided with a socket facing the brush handle, the inner wall of the insertion cavity is provided with an assembly groove with an opening opposite to the socket, one part of the opening of the assembly groove is blocked and provided with an assembly lug, the other part of the opening of the assembly groove is used as an assembly position, the circumferential inner side face of the assembly lug is provided with a limiting recess, the longitudinal limiting block enters the assembly groove from the assembly position when the vibration installation head is inserted into the insertion cavity and the brush head is abutted against the front end of the brush handle, the brush head is rotated, the longitudinal limiting block is rotated to the position staggered with the assembly, the circumferential limiting block and the limiting recess form circumferential limiting matching of the vibration mounting head and the brush head.

Through adopting above-mentioned technical scheme, the longitudinal medial surface and the circumference medial surface of rational utilization assembly lug, it is rotatory after vertical stopper vertically stretches into the assembly groove, vertical stopper rotates to the position of mutually staggering with the assembly position, form vertical spacing with the longitudinal medial surface of assembly lug, and simultaneously, make the circumference stopper get into the spacing sunken of the circumference medial surface of assembly lug again in the rotation process, it is spacing to form circumference, vertical spacing and the spacing stable assembly who constitutes vibration installation head and brush head of circumference, and the structure is retrencied, be difficult for droing because of external striking when the assembly is laborsaving.

The utility model discloses further set up to: the assembly main part's front end an organic whole be provided with the installation guide portion that is the round platform form, the great end of round platform of installation guide portion link up with the assembly main part mutually, the chamber of inserting extend be provided with the guide chamber of installation guide portion shape looks adaptation.

Through adopting above-mentioned technical scheme, insert the chamber in-process at vibration installation head, installation guide portion can offset with the chamber wall in guide chamber to counterpoint gradually under the chamber wall guide in chamber wall, guarantee vibration installation head and brush head installation in-process accuracy of counterpointing, improve the practicality.

The utility model discloses further set up to: also comprises a charging sealing cover, the rear end of the brush handle is provided with a charging interface for charging a power supply, the rear end of the brush handle is provided with an annular wall surrounding the charging interface, the space inside the annular wall is used as an assembly cavity, the charging sealing cover comprises a sealing cover main body for sealing the assembly cavity, the sealing cover main body is provided with an assembly part inserted into the assembly cavity and a rotating part positioned outside the brush handle, the assembly part is annular, two sides of the assembly part are respectively provided with a limit lug, the inner side of the annular wall is provided with a limit groove corresponding to each limit lug, the limiting groove is provided with a limiting opening facing the side face, the assembling part is inserted into the assembling cavity, then the limiting lug is flush with the limiting groove, and the rotating part is manually rotated, then the limiting lug enters the limiting groove through the limiting opening to form limiting matching of the charging sealing cover and the annular wall.

Through adopting above-mentioned technical scheme, the user presses the rotating part, makes the equipment part of the closing cap that charges insert the equipment chamber to through rotating the rotating part, make spacing lug get into spacing recess, thereby cooperation damping realizes the installation of the closing cap that charges, reverse operation during the dismantlement can, compare the tradition and simply pass through the damping cooperation, this kind of structure has better stability.

The utility model discloses further set up to: the rotating part is annular and a plurality of force application bulges are arranged on the annular periphery along the circumferential direction.

Through adopting above-mentioned technical scheme, a plurality of application of force are protruding to be convenient for rotate after the finger is pressed, make the operation more convenient.

The utility model discloses further set up to: the operation portion be oval-shaped and the middle part is protruding form, operation portion's lateral surface be provided with fingerprint form line.

Through adopting above-mentioned technical scheme, fingerprint form line suggestion finger operating position on the one hand, on the other hand improves the frictional force with the finger to the operating position can be known in the accessible touch, owing to generally look at the place ahead directly when brushing teeth, effectively improves the simple operation degree, and in addition, the operating portion middle part is protruding form, makes the user press a small amount and can trigger the switch, makes the operation more laborsaving.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is a perspective view of a handle of the embodiment of the present invention;

FIG. 3 is a perspective view of a brush head according to an embodiment of the present invention;

FIG. 4 is a perspective view of the embodiment of the present invention with the charging cover removed from the brush handle;

fig. 5 is a perspective view of a charging cover according to an embodiment of the present invention;

figure 6 is an internal perspective view of the handle of the embodiment of the present invention.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1-5, the utility model discloses an electric toothbrush, which comprises a brush holder 1 and a brush head 2, the brush hair at the front end of the brush head 2 is not shown, the structure understanding is not affected, the front end of the brush holder 1 is provided with a vibration mounting head 3 for mounting the brush head 2, the brush holder 1 is provided with a motor 4, a power supply and a switch, the switch controls the on-off of the power supply circuit between the motor 4 and the power supply, the outer side wall of the brush holder 1 is provided with an operating part 61, the motor 4 is provided with an eccentric block 41 in a driving way and generates vibration at the vibration mounting head 3 when the eccentric block 41 rotates, the vibration mounting head 3 comprises a cylindrical assembly main body 31, the side surface of the assembly main body 31 is provided with a longitudinal stopper 311 and a circumferential stopper 312 along the direction far away from the front end, the rear end of the brush head 2 is provided with an insertion cavity 21 for inserting the vibration mounting head 3, the, one part of the opening of the assembly groove 23 is blocked and provided with an assembly lug 24, the other part is used as an assembly position 231, the circumferential inner side surface of the assembly lug 24 is provided with a limit recess 241, when the vibration mounting head 3 is inserted into the insertion cavity 21 and the brush head 2 is abutted against the front end of the brush handle 1, the longitudinal limit block 311 enters the assembly groove 23 from the assembly position 231, the brush head 2 is rotated, the longitudinal limit block 311 rotates to a position staggered with the assembly position 231 and forms longitudinal limit matching of the vibration mounting head 3 and the brush head 2 with the longitudinal inner side surface 242 of the assembly lug 24, the circumferential limit block 312 and the limit recess 241 form circumferential limit matching of the vibration mounting head 3 and the brush head 2, the longitudinal inner side surface 242 and the circumferential inner side surface of the assembly lug 24 are reasonably utilized and rotate after the longitudinal limit block 311 longitudinally extends into the assembly groove 23, the longitudinal limit block 311 rotates to a position staggered with the assembly, meanwhile, the circumferential limiting block 312 enters the limiting recess 241 on the circumferential inner side surface of the assembling bump 24 in the rotating process to form circumferential limiting, the longitudinal limiting and the circumferential limiting form stable assembling of the vibration mounting head 3 and the brush head 2, the structure is simplified, and the vibration mounting head is not easy to fall off due to external impact while the assembly is labor-saving.

The front end an organic whole of assembly main part 31 is provided with the installation guide portion 32 that is the round platform form, the great end of round platform of installation guide portion 32 links up with assembly main part 31 mutually, insert chamber 21 and extend the guide chamber 25 that is provided with and installs guide portion 32 shape looks adaptation, insert chamber 21 in-process at vibration installation head 3, installation guide portion 32 can offset with the chamber wall in guide chamber 25, and counterpoint under the chamber wall guide of chamber wall gradually, guarantee vibration installation head 3 and brush head 2 installation in-process accuracy of counterpointing, the improvement practicality.

The toothbrush handle comprises a toothbrush handle 1 and a charging sealing cover 7, wherein the rear end of the toothbrush handle 1 is provided with a charging interface 51 for charging a power supply, the rear end of the toothbrush handle 1 is provided with an annular wall 11 surrounding the charging interface 51, the space inside the annular wall 11 is used as an assembly cavity 12, the charging sealing cover 7 comprises a sealing cover main body 71 for sealing the assembly cavity 12, the sealing cover main body 71 is provided with an assembly part 711 inserted into the assembly cavity 12 and a rotating part 712 positioned outside the toothbrush handle 1, the assembly part 711 is annular, two sides of the assembly part 711 are respectively provided with a limiting bump 713, the inner side of the annular wall 11 is provided with a limiting groove 13 corresponding to each limiting bump 713, the limiting groove 13 is provided with a limiting port 131 facing the side surface, the limiting bump 713 is flush with the limiting groove 13 after the assembly part 711 is inserted into the assembly cavity 12, the limiting bump 713 enters the limiting groove 13 through the limiting port 131 after the rotating part 712 is manually rotated, the user presses the rotating part 712, so that the assembling part 711 of the charging sealing cover 7 is inserted into the assembling cavity 12, and the rotating part 712 is rotated, so that the limiting bump 713 enters the limiting groove 13, the damping is matched, the charging sealing cover 7 is mounted, the reverse operation is performed during the dismounting, and compared with the traditional structure which is simply matched through the damping, the structure has better stability.

The rotating portion 712 is annular and the annular periphery is provided with a plurality of force application protrusions 714 along the circumference, and the plurality of force application protrusions 714 are convenient for fingers to press and then rotate, so that the operation is more convenient.

Operation portion 61 is oval-shaped and the middle part is protruding form, 612 represents the bulge, operation portion 61's lateral surface is provided with fingerprint form line 611, fingerprint form line 611 on the one hand indicates finger operating position, on the other hand improves the frictional force with the finger, and the accessible touch can know the operating position, because generally look straight ahead when brushing teeth, effectively improve the simple operation degree, in addition, operation portion 61 middle part is protruding form, make the user press a small amount and can trigger switch, make the operation more laborsaving.

Brush holder 1 includes skeleton 14 and the sleeve pipe 15 of cover in the skeleton periphery, and skeleton 14 is used for installing power and motor 4, and power, motor 4 and switch accessible PCB board 16 constitute the electricity and connect, and power, switch, the interface 51 that charges and all integrate on PCB board 16, and PCB board 16 is only the schematic drawing method, can adjust as required.

Claims

1. The utility model provides an electric toothbrush, includes brush holder and brush head, the brush holder front end be provided with the vibration installation head of installation brush head, the brush holder be provided with motor, power and switch, on-off control motor and power between supply circuit's break-make to be provided with the operation part at the brush holder lateral wall, motor drive be provided with the eccentric block to when the eccentric block is rotatory produce the vibration its characterized in that at vibration installation head: the vibration installation head comprises a cylindrical assembly body, a longitudinal limiting block and a circumferential limiting block are arranged on the side face of the assembly body along the direction far away from the front end, the rear end of the brush head is provided with an insertion cavity for the vibration installation head to be inserted into, the insertion cavity is provided with a socket facing the brush handle, the inner wall of the insertion cavity is provided with an assembly groove with an opening opposite to the socket, one part of the opening of the assembly groove is blocked and provided with an assembly lug, the other part of the opening of the assembly groove is used as an assembly position, the circumferential inner side face of the assembly lug is provided with a limiting recess, the longitudinal limiting block enters the assembly groove from the assembly position when the vibration installation head is inserted into the insertion cavity and the brush head is abutted against the front end of the brush handle, the brush head is rotated, the longitudinal limiting block is rotated to the position staggered with the assembly, the circumferential limiting block and the limiting recess form circumferential limiting matching of the vibration mounting head and the brush head.

2. The electric toothbrush of claim 1, wherein: the assembly main part's front end an organic whole be provided with the installation guide portion that is the round platform form, the great end of round platform of installation guide portion link up with the assembly main part mutually, the chamber of inserting extend be provided with the guide chamber of installation guide portion shape looks adaptation.

3. The electric toothbrush of claim 1, wherein: also comprises a charging sealing cover, the rear end of the brush handle is provided with a charging interface for charging a power supply, the rear end of the brush handle is provided with an annular wall surrounding the charging interface, the space inside the annular wall is used as an assembly cavity, the charging sealing cover comprises a sealing cover main body for sealing the assembly cavity, the sealing cover main body is provided with an assembly part inserted into the assembly cavity and a rotating part positioned outside the brush handle, the assembly part is annular, two sides of the assembly part are respectively provided with a limit lug, the inner side of the annular wall is provided with a limit groove corresponding to each limit lug, the limiting groove is provided with a limiting opening facing the side face, the assembling part is inserted into the assembling cavity, then the limiting lug is flush with the limiting groove, and the rotating part is manually rotated, then the limiting lug enters the limiting groove through the limiting opening to form limiting matching of the charging sealing cover and the annular wall.

4. The electric toothbrush of claim 3, wherein: the rotating part is annular and a plurality of force application bulges are arranged on the annular periphery along the circumferential direction.

5. The electric toothbrush of claim 1, wherein: the operation portion be oval-shaped and the middle part is protruding form, operation portion's lateral surface be provided with fingerprint form line.