CN217162341U - Electric toothbrush with rotary brush head - Google Patents

Abstract

The utility model provides an electric toothbrush with a rotary brush head, which comprises an electric toothbrush main body, wherein a motor is arranged inside the electric toothbrush main body, a toothbrush head component is detachably arranged at the upper end of the electric toothbrush main body, the toothbrush head component comprises a brush handle, the toothbrush head component also comprises a transmission shaft which is arranged inside the brush handle, and one end of the transmission shaft is in transmission connection with the output end of the motor; one end of the central shaft is in transmission connection with the other end of the transmission shaft; the brush head is sleeved outside the central shaft, and the brush head and the central shaft synchronously rotate; the brush head protective cover is sleeved outside the brush head and is fixedly connected with the brush handle. The brush head and the brush handle are arranged along the same axis, the brush head rotates around the axis of the brush handle, and the brush hairs sweep among teeth gaps, so that the corners such as the teeth gaps are cleaned.

Description

Electric toothbrush with rotary brush head

Technical Field

The utility model relates to the field of electric toothbrushes, in particular to an electric toothbrush with a rotary brush head.

Background

With the emphasis on oral cavity cleaning, electric toothbrushes are increasingly widely used, and are mainly classified into vibrating type and rotary type electric toothbrushes. The vibrating electric toothbrush mainly depends on the operation of a micro motor in the toothbrush to drive the toothbrush head to swing at high speed from left to right in the working process, and the toothbrush head can generate mechanical vibration, namely sound waves, in the moving process. The sound wave generated by the sound wave electric toothbrush in the operation process has different cleaning effects on teeth due to different frequencies, but the sound wave electric toothbrush has poor cleaning effect on tartar and food residues between teeth. Most of the rotary electric toothbrushes on the market rotate around a transverse shaft vertical to a toothbrush handle, bristles of the toothbrush head rotate on the surfaces of teeth, and the cleaning effect on gaps between the teeth and corners contacted with gums is not very ideal.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric toothbrush of rotation type brush head, adopt brush head and brush holder to set up along same axis, brush head is rotatory around the toothbrush handle axis, and the brush hair sweeps between the tooth gap, realizes the cleanness in corners such as tooth gap.

In order to achieve the above object, the present invention provides the following technical solutions: the electric toothbrush with the rotary brush head comprises an electric toothbrush main body, wherein a motor is arranged in the electric toothbrush main body, a toothbrush head component is detachably arranged at the upper end of the electric toothbrush main body, the toothbrush head component comprises a brush handle, the toothbrush head component also comprises a transmission shaft which is arranged in the brush handle, and one end of the transmission shaft is in transmission connection with the output end of the motor; one end of the central shaft is in transmission connection with the other end of the transmission shaft; the brush head is sleeved outside the central shaft, and the brush head and the central shaft synchronously rotate; the brush head protective cover is sleeved outside the brush head and is fixedly connected with the brush handle.

Further, the opening angle of the brush head protective cover corresponding to the brush head is 180-195 degrees.

Furthermore, the brush head comprises a uniform distribution type brush head, and bristles of the uniform distribution type brush head are uniformly distributed on the central shaft.

Furthermore, the brush head comprises a spiral brush head, and bristles of the spiral brush head are spirally distributed on the central shaft.

Furthermore, a circular groove is formed in the top side of the interior of the brush head protection cover, a circular through hole is formed in the bottom side of the interior of the brush head protection cover, two ends of a central shaft of the brush head are embedded into the circular groove and the circular through hole of the interior of the brush head protection cover respectively, and the central shaft can rotate inside the brush head protection cover.

Further, the electric toothbrush main part still is provided with the charging base, be provided with the groove of charging on the charging base, the electric toothbrush main part is pegged graft with the charging base.

Furthermore, the bristles of the uniformly distributed brush head are long and short bristles.

Furthermore, the bristles of the uniformly distributed brush head are equal-length bristles.

Furthermore, the bristles of the spiral brush head are long and short bristles.

Furthermore, the bristles of the spiral brush head are equal-length bristles.

The technical effects of the utility model:

1. the utility model discloses a brush head and brush holder set up along same axis, and the brush head is rotatory around the toothbrush handle axis, and the brush hair sweeps between the tooth gap, realizes the cleanness in corners such as tooth gap.

2. Adopt the mode that spiral brush hair and equipartition formula brush hair combine, better clean tooth and tartar solve traditional toothbrush and electric toothbrush can't effectively clean the problem in tooth gap.

3. The utility model discloses a toothbrush head can 360 degrees high-speed rotations, is provided with the first safety cover of brush outside the brush head, better protection oral cavity is not hindered by the brush hair when the in-process of brushing teeth fully ensures clean tooth, and the toothbrush head safety cover can effectively protect the oral cavity simultaneously.

4. The rotation of the toothbrush, the positive rotation and the reverse rotation better clean teeth and tartar, and remove residues and the like hidden in teeth gaps and deep in gum.

5. The two bristle forms are arranged, the equal-length bristles and the long-short bristles meet the preference of different consumers, the long-short bristles clean teeth and gaps on different surfaces, and the bristle tips corresponding to the different surfaces of the teeth are different, so that the aim of effective cleaning is fulfilled.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a toothbrush head assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a uniform distribution type toothbrush head component according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of a uniform distribution type brush head and a spiral brush head according to an embodiment of the present invention;

FIG. 5 is a schematic view of a spiral toothbrush head assembly of one embodiment of the present invention;

description of reference numerals:

1-an electric toothbrush body;

2-a toothbrush head assembly; 20-brush handle; 21-a brush head; 22-brush head protective cover; 23-a central axis; 24-a drive shaft;

211-a uniform distribution type brush head; 212-spiral brush head;

3-charging base.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. Each example is provided by way of explanation of the invention and not limitation of the invention. In fact, it will be apparent to those skilled in the art that modifications and variations can be made in the present invention without departing from the scope or spirit thereof. For instance, features illustrated or described as part of one embodiment, can be used with another embodiment to yield a still further embodiment. It is therefore intended that the present invention encompass such modifications and variations as fall within the scope of the appended claims and equivalents thereof.

In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected", "connected" and "disposed" used in the present invention should be understood in a broad sense, and may be, for example, either fixedly connected or detachably connected; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.

One or more examples of the invention are illustrated in the accompanying drawings. The detailed description uses numerical and letter designations to refer to features in the drawings. Like or similar designations in the drawings and description have been used to refer to like or similar parts of the invention. As used herein, the terms "first," "second," and "third," etc. may be used interchangeably to distinguish one component from another, and are not intended to denote the position or importance of the individual components.

As shown in fig. 1 to 5, the electric toothbrush with a rotary brush head disclosed according to the embodiment of the present invention comprises an electric toothbrush body 1, wherein the electric toothbrush body 1 includes a motor therein, an output end of the motor is connected to one end of a transmission shaft 24, the other end of the transmission shaft of the electric toothbrush body 1 is detachably mounted with a toothbrush head assembly 2, the toothbrush head assembly 2 includes a brush handle 20, a brush head protecting cover 22 is further disposed on a top of the brush handle 20, and the brush head protecting cover 22 and the brush handle 20 can be integrally or detachably connected; brush head 21 is installed along the toothbrush handle axis in brush head safety cover 22's inside, brush head 21 is including center pin 23, evenly is provided with the brush hair on the center pin 23, and the inside top side of brush head safety cover 22 is provided with circular recess, and the inside bottom side of brush head safety cover 22 is provided with the both ends of center pin 23 of circular through-hole brush head 21 and is embedded into the inside circular recess of brush head safety cover 22 and circular through-hole respectively to center pin 23 can rotate in circular recess.

The brush head protection cover 22 is a partial cylindrical shell with the side face corresponding to the brush hair and the opening angle of 180-195 degrees, the opening angle is designed to be 180-195 degrees, on one hand, the brush hair can leak out of the brush head protection cover 22 to clean up dirt in gaps between teeth, toothpaste can not be accumulated in the protection cover due to the fact that the angle of the protection cover is too large, on the other hand, the brush head protection cover 22 can protect the inner wall of an oral cavity in the process of brushing teeth of a user, and the brush hair can be prevented from damaging the inner wall of the oral cavity.

Brush head safety cover 22 is through setting up the inside intercommunication of circular through-hole and brush holder 20 in brush head safety cover 22 bottom, and brush holder 20 internally mounted has transmission shaft 24, and the other end and the central pin 23 transmission of transmission shaft 24 are connected, and the one end of transmission shaft is connected with the output of motor to the realization is brushed brush head 21 and is rotated under the drive of motor.

With supporting the charging base 3 that has of electric toothbrush main part 1, be provided with the charging groove on the charging base 3, electric toothbrush main part 1 inserts the inslot that charges and can be connected with charging base 3 to realize charging of electric toothbrush main part 1.

The toothbrush head component 2 comprises a uniform distribution type brush head 211 and a spiral brush head 212, bristles of the uniform distribution type brush head 211 are uniformly distributed on a central shaft, long and short bristles or equal length bristles are arranged on the uniform distribution type brush head 211 and the spiral brush head 212, the long and short bristles clean teeth and gaps on different surfaces, and the brush bristle tips corresponding to the different surfaces of the teeth are different, so that the purpose of effective cleaning is achieved, and the efficiency of cleaning the teeth is higher. The equal-length bristles are suitable for users with sensitive teeth, and the tips of the equal-length bristles can weaken the acting force of the corresponding bristles when the equal-length bristles are used for exerting force, so that the sensitivity of the bristles to the teeth is reduced.

The bristles of the spiral brush head 212 are spirally distributed on the central shaft 23. The close helical arrangement of the bristles of the spiral brush head 212 by a set of bristles enables more thorough cleaning with fewer bristles.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

1. the uniform distribution type toothbrush head component and the spiral toothbrush head component are arranged, and teeth gaps can be better cleaned through the matching use of the two toothbrush head components;

2. the brush head assembly is provided with a brush head protecting cover of a partial cylindrical shell with a side opening of 180-195 degrees, so that toothpaste can be effectively prevented from being left in the brush head protecting cover while brushing teeth, and the damage of bristles to the inner wall of the oral cavity can be avoided in the process of brushing teeth.

Compared with the prior art, the utility model discloses an electric toothbrush of rotation type brush head can effectively clear up the dirt between tooth surface and tooth gap, can also protect the oral cavity inner wall simultaneously.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. Electric toothbrush of rotation type brush head, including electric toothbrush main part (1), the inside of electric toothbrush main part (1) is provided with the motor, its characterized in that, toothbrush head subassembly (2) are installed to the upper end detachable of electric toothbrush main part (1), toothbrush head subassembly (2) are including brush holder (20), toothbrush head subassembly (2) are still including:

the transmission shaft (24) is arranged inside the brush handle (20), and one end of the transmission shaft (24) is in transmission connection with the output end of the motor;

the central shaft (23), one end of the central shaft (23) is connected with the other end of the transmission shaft (24) in a transmission way;

the brush head (21) is sleeved outside the central shaft (23), and the brush head (21) and the central shaft (23) synchronously rotate;

the brush head protective cover (22) is sleeved outside the brush head (21) and is fixedly connected with the brush handle (20).

2. The rotary brushhead electric toothbrush of claim 1,

the opening angle of the brush head protective cover (22) corresponding to the brush head (21) is 180-195 degrees.

3. The rotary brushhead electric toothbrush of claim 2,

the brush head (21) comprises a uniform distribution type brush head (211), and bristles of the uniform distribution type brush head (211) are uniformly distributed on the central shaft (23).

4. The rotary brushhead electric toothbrush of claim 2,

the brush head (21) comprises a spiral brush head (212), and bristles of the spiral brush head (212) are spirally distributed on a central shaft.

5. The rotary brush head electric toothbrush according to claim 3 or 4,

the brush head protection cover is characterized in that a circular groove is formed in the top side of the interior of the brush head protection cover (22), a circular through hole is formed in the bottom side of the interior of the brush head protection cover (22), two ends of a central shaft (23) of the brush head (21) are embedded into the circular groove and the circular through hole in the interior of the brush head protection cover (22) respectively, and the central shaft (23) can rotate in the interior of the brush head protection cover (22).

6. The rotary brushhead electric toothbrush of claim 2,

the electric toothbrush main body (1) is further provided with a charging base (3), a charging groove is formed in the charging base (3), and the electric toothbrush main body (1) is connected with the charging base (3) in an inserting mode.

7. The rotary brushhead electric toothbrush of claim 3,

the bristles of the uniform distribution type brush head (211) are long and short bristles.

8. The rotary brushhead electric toothbrush of claim 3,

the bristles of the uniform distribution type brush head (211) are equal-length bristles.

9. The rotary brushhead electric toothbrush of claim 4,

the bristles of the spiral brush head (212) are long and short bristles.

10. The rotary brushhead electric toothbrush of claim 4,

the bristles of the spiral brush head (212) are equal-length bristles.

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