CN110710780A

CN110710780A - Tooth brush

Info

Publication number: CN110710780A
Application number: CN201911012110.9A
Authority: CN
Inventors: 王新
Original assignee: Shenzhen Jixin Electronic Technology Co ltd
Current assignee: Shenzhen Jixin Electronic Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-01-21

Abstract

The toothbrush comprises a toothbrush shell (1), wherein a first accommodating cavity (101) is formed in the toothbrush shell (1), a linear driving part (2) is accommodated in the first accommodating cavity (101), the linear driving part (2) is provided with a first driving motor (21) and a rotating piece (22), and the first driving motor (21) and the rotating piece (22) are connected and drive the rotating piece (22) to rotate; the mounting part (3) is accommodated in the rotating part (22), the circumferential direction of the mounting part (3) is provided with an external thread (301), and the external thread (301) is meshed with the internal thread (223) of the rotating part (22); the toothbrush head (4) is arranged on the mounting part (3) and extends out of the toothbrush shell (1) or retracts into the first accommodating cavity (101) from the outside of the toothbrush shell (1) under the driving of the linear driving part (2); the disinfection part (5) is arranged in the first containing cavity (101), and the toothbrush head (4) is disinfected. The toothbrush of the invention can clean the toothbrush head.

Description

Tooth brush

Technical Field

The invention relates to the technical field of daily necessities, in particular to a toothbrush.

Background

In the modern society, toothbrushes become indispensable daily necessities in daily life of people, and the toothbrushes are used at home or on a trip. Most of the known toothbrushes are in the shape of a straight rod, one end of which is a handle and the other end of which is a brush head, which is always exposed outside. Because the toothbrush is a consumable part, most people can regularly replace the toothbrush, and therefore daily nursing such as cleaning and disinfection of the toothbrush head can not be carried out, and the toothbrush head exposed outside is not only easily polluted by dust, but also not easily cleaned thoroughly.

Disclosure of Invention

The invention provides a toothbrush aiming at the technical problem that the toothbrush head of the known toothbrush is exposed outside and cannot be easily cleaned thoroughly.

A toothbrush, comprising: the toothbrush comprises a toothbrush shell, a handle and a handle, wherein a first accommodating cavity is formed in the toothbrush shell, a first opening part is formed in the upper end of the toothbrush shell, and the first opening part is communicated with the first accommodating cavity; the linear driving part is accommodated in the first accommodating cavity and provided with a first driving motor and a rotating piece, the rotating piece extends along the axial direction of the first accommodating cavity, the first driving motor is positioned at the lower part of the first accommodating cavity, and the first driving motor and the rotating piece are connected and drive the rotating piece to rotate; the mounting part is accommodated in the rotating part, an external thread is arranged on the circumferential direction of the mounting part, and the external thread of the mounting part is meshed with the internal thread of the rotating part; the toothbrush head is mounted on the mounting part and can extend out of the toothbrush shell through the first opening part or retract into the first accommodating cavity from the outside of the toothbrush shell through the driving of the linear driving part; the disinfection portion, disinfection portion sets up first holding intracavity the toothbrush head is retrieved when first holding intracavity, it is right the toothbrush head disinfects.

Preferably, the toothbrush further comprises a second drive motor mounted to the mounting portion, the toothbrush head being detachably mounted to an output shaft of the second drive motor.

Further preferably, the mounting portion includes a mounting shell having a mounting cavity, and the second driving motor is accommodated in the mounting cavity.

Preferably, a connecting member is provided at a lower end of the rotating member, and an output shaft of the first driving motor is coupled to the connecting member.

Preferably, the positioning device further comprises a positioning bushing for positioning the rotating piece, the positioning bushing is embedded into the first accommodating cavity, and the rotating piece is embedded into the positioning bushing and can rotate in the positioning bushing.

Preferably, the toothbrush further comprises a guide part, the guide part comprises a guide shaft and a guide hole, the guide shaft is installed on the toothbrush shell, the guide hole is formed in the installation part, and the guide shaft is inserted into the guide hole.

Preferably, the base is accommodated in the first accommodating cavity and extends along the axial direction of the first accommodating cavity; the lower part of the base is provided with a first installation space, the upper part of the base is provided with a second installation space, the first driving motor is installed in the first installation space, and the positioning bushing is fixed in the second installation space.

Preferably, the toothbrush further comprises a control board, a third installation space is formed between the outer peripheral surface of the base and the inner peripheral surface of the toothbrush shell, the third installation space extends along the axial direction of the base, and the control board is installed in the third installation space.

Preferably, disinfection portion includes the sterilamp that can launch disinfection light, the sterilamp sets up first holding intracavity, the sterilamp sets up to be in the toothbrush head is retrieved when first holding chamber, with the toothbrush head is relative.

Preferably, the toothbrush further comprises an upper cover part which is arranged at the upper end of the toothbrush shell and is arranged to cover the first opening part; the upper cover part comprises a hinge pin, a first cover body, a second cover body and a return spring; the hinge pin is mounted to an upper end of the toothbrush housing, and the first and second covers are respectively hinged to the hinge pin and rotatably moved toward or away from each other about the hinge pin; the return springs comprise two return springs, one return spring is respectively abutted against the upper end of the toothbrush shell and the first cover body, the other return spring is respectively abutted against the upper end of the toothbrush shell and the second cover body, and the two return springs respectively push the upper end of the toothbrush shell and the second cover body

The first cover body and the second cover body are close to each other.

According to the toothbrush, the first accommodating cavity capable of accommodating the toothbrush head is formed, and the toothbrush head can be disinfected in the first accommodating cavity, so that the toothbrush head can be thoroughly cleaned, and the oral health of a user is promoted. In addition, because the installation part is accommodated in the rotating part, the sizes of the rotating part and the external thread of the installation part can be increased, the bearing capacity of the external thread of the installation part on the whole linear driving part is improved, and the installation part can stably support the toothbrush head.

Drawings

FIG. 1 is a schematic view of one embodiment of the toothbrush of this invention wherein (a) is the view with the head retracted and (b) is the view with the head extended;

FIG. 2 is a cross-sectional view of the internal structure of the toothbrush of FIG. 1;

FIG. 3 is a partial cross-sectional view from another perspective of the internal structure of the toothbrush of FIG. 1;

FIG. 4 is a schematic view of a base, wherein (a) is a schematic view from one perspective and (b) is a schematic view from another perspective;

FIG. 5 is a perspective view of the upper cover portion;

description of the symbols

1. A toothbrush housing; 101. a first accommodating cavity; 102. a first opening portion; 105. a control panel; 11. a base; 111. a first installation space; 112. a second installation space; 113. a third installation space; 2. a linear driving section; 21. a first drive motor; 22. a rotating member; 221. a connecting member; 23. positioning the bushing; 24. a guide portion; 241. a guide shaft; 242. a guide hole; 3. an installation part; 301. an external thread; 4. a toothbrush head; 5. a sterilizing section; 6. a second drive motor; 33. mounting a shell; 9. an upper cover portion; 901. a hinge pin; 902. a first cover body; 903. a second cover body; 904. and a return spring.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the present invention can be implemented in many different ways and is not limited to the embodiments described herein, but rather these embodiments are provided to enable those skilled in the art to understand the disclosure more thoroughly.

Further, the description of the illustrative embodiments in accordance with the principles of the invention is intended to be read in connection with the accompanying drawings, which are to be considered part of the entire written description. In describing the embodiments of the invention disclosed, reference to any direction or orientation is intended merely to facilitate explanation and is not intended to limit the scope of the invention in any way. Relative terms such as "front," "back," "upper," "lower," "rear," "outer," "inner," "middle," "inner," "outer," "lower," "upper," "horizontal," "vertical," "above," "below," "up," "down," "top" and "bottom" as well as derivatives thereof (e.g., "horizontally," "downwardly," "upwardly," etc.) should be construed to refer to the orientation as then described or as shown in the drawing under discussion. These relative terms are for convenience of description only and do not require that the apparatus be constructed or operated in a particular orientation unless otherwise specifically stated. Thus, the invention should not be limited to the exemplary embodiments which illustrate some possible non-limiting combinations of features which may be present alone or in other feature combinations; the scope of protection of the invention is defined by the appended claims.

As presently contemplated, this disclosure describes the best mode or mode of practice of the invention. The present invention is not intended to be understood from the limiting layer, but rather is to be provided as an illustrative example only, in connection with the accompanying drawings, so as to inform those skilled in the art of the advantages and construction of the invention. Like reference characters designate like or similar parts throughout the various views of the drawings.

FIG. 1 is a schematic view of one embodiment of the toothbrush of this invention wherein (a) is the view with the head retracted and (b) is the view with the head extended; fig. 2 is a sectional view of the internal structure of the toothbrush, fig. 3 is a partial sectional view of another angle of view of the internal structure of the toothbrush, and referring to fig. 1 to 3, the toothbrush of this embodiment is a toothbrush in which a head 4 is retractable. Specifically, the method comprises the following steps: the toothbrush housing 1, the toothbrush may be cylindrical or drum-shaped, the toothbrush housing 1 has a first accommodating cavity 101 therein, the cross section of the first accommodating cavity 101 is preferably substantially circular, and the first accommodating cavity 101 axially penetrates through the toothbrush housing 1 so as to facilitate installation of the components. The upper end of the toothbrush housing 1 has a first opening 102, and the first opening 102 communicates with the first receiving chamber 101. Specifically, an upper case 106 is provided at one axial end of the toothbrush case 1, the first opening 102 is opened in the upper case 106, and the upper case 106 may be attached to the one axial end of the toothbrush case 1 by a known structure such as a snap structure or an interference fit structure. Similarly, the lower case 107 is provided at the other axial end of the toothbrush case 1, and the lower case 107 may be attached to the other axial end of the toothbrush case 1 by a known structure such as a snap structure or an interference fit structure.

Have linear drive portion 2 in first holding chamber 101, installation department 3, disinfection portion 5, battery 108 and control panel 105, battery 108 is used for supplying power to linear drive portion 2, disinfection portion 5 and control panel 105 etc., the lower part in first holding chamber 101 can be installed to battery 108, control panel 105 is the PCB board that technical personnel in the field know, the upper portion of installation department 3 is installed to toothbrush head 4, through the drive of linear drive portion 2 and rectilinear movement in first holding chamber 101, for the convenience of changing toothbrush head 4, toothbrush head 4 sets up to install the upper portion of installation department 3 dismantled and assembledly. When linear drive portion 2 drive toothbrush head 4 stretches out the outside of first holding chamber 101 through first opening 102, the user can use toothbrush head 4 to brush teeth, when linear drive portion 2 drive toothbrush head 4 withdraws first holding chamber 101 through first opening 102 in, disinfection portion 5 can disinfect toothbrush head 4. The sterilizing part 5 may include a sterilizing lamp capable of emitting sterilizing light, for example, a UV lamp emitting ultraviolet rays. The UV lamp can set up in any position that can disinfect the toothbrush head 4 that is located first accommodation chamber 101, preferably, sets up to when toothbrush head 4 withdraws into first accommodation chamber 101, relative with toothbrush head 4, disinfects toothbrush head 4's front.

From this, this embodiment's toothbrush sets up to scalable through toothbrush head 4 to disinfect toothbrush head 4 in first holding chamber 101, consequently, can clean toothbrush head 4, exterminate on the toothbrush head 4 because bacterium, virus etc. that reason such as long-time moist bred, prolong toothbrush head 4's life, promote user's oral cavity healthy.

With continued reference to fig. 2 and 3, the linear drive section 2 and the mounting section 3 will be described in detail below.

The linear driving part 2 is accommodated in the first accommodating chamber 101 and linearly moves along the axial direction of the first accommodating chamber 101. Specifically, the linear driving part 2 has a first driving motor 21 and a rotary member 22, the rotary member 22 extends along the axial direction of the first receiving chamber 101, the first driving motor 21 is fixed, for example, to the toothbrush housing 1 and is located at the lower portion of the first receiving chamber 101, and the first driving motor 21 and the rotary member 22 are coupled and drive the rotary member 22 to rotate. The mounting part 3 is accommodated in the rotary member 22, and specifically, the rotary member has a hollow cavity 222, and the circumferential direction of the mounting part 3, which is provided with an internal thread 223 on the circumferential surface of the hollow cavity, is provided with an external thread 301, and the external thread 301 is engaged with the internal thread 223 of the rotary member 22. The first driving motor 21 drives the rotary member 22 to rotate so that the mounting part 3 moves linearly on the rotary member 22, thereby extending and contracting the brush head 4 mounted on the mounting part 3.

In the toothbrush of the present embodiment, the rotary member 22 is rotatably driven by the first driving motor 21, the female screw 223 is provided in the hollow cavity 222 of the rotary member 22, the male screw 301 is provided in the mounting portion 3, and the male screw 301 of the mounting portion 3 and the female screw 223 of the rotary member 22 are engaged with each other, so that the female screw 223 of the rotary member 22 and the male screw 301 of the mounting portion 3 can be increased as much as possible in a narrow space (considering that the size of the toothbrush handle is usually only about 10mm, for example, the inner diameter dd of the first housing cavity 101 of the toothbrush of the present embodiment is approximately 25mm to 30 mm.), thereby improving the bearing capacity of the male screw 301 of the mounting portion 3 for the entire mounting portion 3, and by the braking force of the first driving motor 21, the mounting portion 3 can be stably stopped during brushing, and shaking of the mounting portion 3 can be prevented during brushing.

The internal threads 223 of the rotary member 22 and the external threads 301 of the mounting portion 3 may be selected from rectangular threads, trapezoidal threads, triangular threads, saw-tooth threads, or other specially shaped threads. Preferably rectangular or trapezoidal threads, further provide a stable stop for the mounting portion 3 by virtue of the self-locking nature of the rectangular or trapezoidal threads.

In order to position the rotation of the rotary member 22 and prevent the rotary member 22 from wobbling, the toothbrush of the present embodiment may further include a positioning bushing 23 for rotationally positioning the rotary member 22, specifically, the positioning bushing 23 is accommodated in the first accommodating chamber 101, a positioning hole 231 having a circular hole shape penetrating in the axial direction is provided in the middle of the positioning bushing 23, and accordingly, the whole rotary member 22 has a cylindrical shape, the rotary member 22 is fitted into the positioning hole 231 of the positioning bushing 23, and the first driving motor 21 drives the rotary member 22 to rotate in the positioning hole 231.

Fig. 4 is a schematic view of the base 11, wherein (a) is a schematic view of one viewing angle, and (b) is a schematic view of another viewing angle, referring to fig. 4 and additionally referring to fig. 2 and 3, in order to facilitate the assembly and disassembly of the linear driving portion 2, the toothbrush of the present embodiment further includes the base 11, the base 11 is accommodated in the first accommodating cavity 101 and extends along the axial direction of the first accommodating cavity 101, the length of the base 11 is slightly smaller than that of the toothbrush housing 1, an arc-shaped main body housing 114 is disposed on one radial side of the base 11, and an outer arc surface of the main body housing 114 is substantially attached to an inner circumferential surface of the first accommodating cavity 101. A first installation space 111 is provided at a lower portion of the base 11, a second installation space 112 is provided at an upper portion of the base 11, a partition plate 115 is provided between the first installation space 111 and the second installation space 112, and the first driving motor 21 and the battery 108 are installed to a lower portion of the partition plate 115 and are located in the first installation space 111. The positioning bush 23 is fixed to the second mounting space 112, the rotary member 22 is rotatably inserted into the positioning bush 23, the output shaft of the first driving motor 21 is protruded into the second mounting space 112, and the rotary member 22 is coupled with the output shaft of the first driving motor 21 in the second mounting space 112. The lower end of the rotary member 22 is provided with a connection member 221, and the output shaft of the first driving motor 21 is coupled with the connection member 221 of the rotary member 22.

Although the above description has been given of an example in which the rotation of the rotor 22 is positioned by providing the positioning bush 23, the present invention is not limited to this, and for example, the rotor 22 may be directly mounted in the second mounting space 112 of the base 11, and the inner peripheral surface of the main body case 114 may be provided so as to be able to rotatably position the rotor 22.

In addition, the guide portion 24 is further included, the guide portion 24 includes a guide shaft 241 and a guide hole 242, the guide shaft 241 is mounted to the toothbrush housing 1, for example, one end of the guide shaft 241 is mounted to the upper end of the toothbrush housing 1, the guide shaft 241 extends in the axial direction of the first receiving chamber 101, and correspondingly, the guide hole 242 is provided on the mounting portion 3, and the guide shaft 241 is inserted into the guide hole 242. This enables the first drive motor 21 to drive the rotary member 22 to rotate, thereby linearly moving the mounting portion 3. Of course, the present embodiment is not limited to the specific configuration of the guide portion 24, and any mechanism capable of guiding the linear actuator driven by the motor may be used as appropriate.

In addition, the toothbrush of this embodiment further includes a second driving motor 6, the second driving motor 6 being mounted to the mounting portion 3 (a dotted frame portion of fig. 2), and the brush head 4 being detachably mounted to an output shaft of the second driving motor 6. The second driving motor 6 may be either a motor for driving the brush head 4 to rotate or a motor for driving the brush head 4 to vibrate, and is preferably a motor for driving the brush head 4 to vibrate (i.e., a vibration motor). From this, this embodiment's toothbrush not only can disinfect toothbrush head 4, prolongs toothbrush head 4's life, promotes user's oral cavity health, as an electric toothbrush moreover, can further facilitate the user to use to further keep the oral cavity healthy. In order to save space, second driving motor 6 holds to in installation department 3, specifically, installation department 3 includes installation shell 33, and external screw thread 301 of installation department 3 can directly set up on the outer peripheral face of installation shell 33, and installation shell 33 has an installation cavity (not shown), and second driving motor 6 holds to the installation cavity, and in order to make things convenient for second driving motor 6 to hold to the installation cavity, installation shell 33 can include two half shells, thereby two half shells joint forms the installation cavity in inside. In order to absorb the vibration of the second driving motor 6 (vibration motor), buffer sleeves such as a silicone sleeve may be inserted into both ends of the second driving motor 6.

Referring back to fig. 3, the mounting structure of the control board 105 will be explained below. In the toothbrush of the present embodiment, a third mounting space 113 is formed between the outer peripheral surface of the base 11 and the inner peripheral surface of the toothbrush housing 1, the third mounting space 113 extends in the axial direction of the base 11, and the control plate 105 is mounted in the third mounting space 113. Specifically, a receiving groove capable of receiving the control board 105 may be directly formed on the main body case 114 of the base 11 as the third mounting space 113. In order to prevent the water stain from entering the receiving groove (the third installation space 113), a sealing cover 116 made of, for example, silicone may be provided, and after the control board 105 is installed in the receiving groove, the receiving cavity is covered by the sealing cover 116.

Fig. 5 is a perspective view of the upper lid 9, and referring to fig. 5, the toothbrush of the present embodiment preferably further includes the upper lid 9, and the upper lid 9 is provided so as to cover the first opening 102. Can cover last lid 9 of first opening 102 through the setting, not only can make whole first holding chamber 101 close through covering first opening 102 when the sterilamp of disinfection portion 5 is disinfected toothbrush head 4, prevent that the disinfection light from revealing, can prevent to a certain extent moreover that water stain infiltration from reaching first holding chamber 101. The upper cover 9 is disposed at the upper end of the toothbrush housing 11, specifically, the upper cover 9 includes a hinge pin 901, a first cover 902, a second cover 903, and two return springs 904, one axial end of the hinge pin 901 is mounted on the base 11, the first cover 902 and the second cover 903 are respectively hinged to the hinge shaft 901 and rotatably move toward or away from each other around the hinge shaft 901, and the two return springs 904 are respectively abutted to the first cover 902 and the second cover 903 to push the first cover 902 and the second cover 903 toward each other. When the linear driving part 22 drives the brush head 4 to extend, the brush head 4 pushes the first cover 902 and the second cover 903 to be away from each other, so that the brush head 4 extends out of the toothbrush housing 11 through the first opening part 102, and after the linear driving part 22 drives the brush head 4 to retract into the first accommodating cavity 101, the two return springs 904 respectively drive the first cover 902 and the second cover 903 to rotate around the hinge shaft 901 and to be close to each other, so that the first opening part 102 is covered.

In addition, in order to limit the extending and retracting positions of the linear driving part 2, a travel switch 201 may be further disposed in the first housing chamber 101, and the travel switch 201 may be a mechanical contact switch or a non-contact switch such as an electro-optical switch. The stroke switches 201 are respectively provided at any positions capable of stopping the linear driving part 2 at the correct extended and retracted positions, for example, the stroke switches 201 are mechanical contact switches respectively provided at both ends of the first accommodation chamber 101 in the axial direction.

In addition, in order to charge the battery 104, the first receiving chamber 101 may be provided with a wireless charging coil 109 (see fig. 2) or another USB charging interface, for example, at the bottom.

Further, a power switch button 110 (see fig. 1), a button 111 (see fig. 1) for driving the linear driving unit 2, and the like are provided on the outer periphery of the toothbrush case 1.

The various features described in the foregoing detailed description may be combined in any manner and, for the sake of unnecessary repetition, various combinations are not intended to be encompassed by the invention.

The above embodiments are merely illustrative of the technical solutions of the present invention and are not restrictive, and any modifications or equivalent substitutions which do not depart from the scope of the present invention should be included in the technical solutions of the present invention.

Claims

1. A toothbrush, comprising:

the toothbrush comprises a toothbrush shell, a handle and a handle, wherein a first accommodating cavity is formed in the toothbrush shell, a first opening part is formed in the upper end of the toothbrush shell, and the first opening part is communicated with the first accommodating cavity;

the linear driving part is accommodated in the first accommodating cavity and is provided with a rotating piece and a first driving motor for driving the rotating piece to rotate, and the rotating piece is provided with an internal thread;

the mounting part is accommodated in the rotating part, an external thread is arranged on the circumferential direction of the mounting part, and the external thread of the mounting part is meshed with the internal thread of the rotating part;

the toothbrush head is mounted on the mounting part and can extend out of the toothbrush shell through the first opening part or retract into the first accommodating cavity from the outside of the toothbrush shell through the driving of the linear driving part;

the disinfection portion, disinfection portion sets up first holding intracavity the toothbrush head is retrieved when first holding intracavity, it is right the toothbrush head disinfects.

2. The toothbrush of claim 1 further comprising a second drive motor mounted to the mounting portion, the brushhead being removably mounted to an output shaft of the second drive motor.

3. The toothbrush of claim 2, wherein the mounting portion includes a mounting housing having a mounting cavity into which the second drive motor is received.

4. The toothbrush according to claim 1, wherein a lower end of the rotary member is provided with a connection member, and an output shaft of the first driving motor is coupled with the connection member.

5. The toothbrush according to claim 1 or 4, further comprising a positioning bushing for positioning the rotary member, the positioning bushing being inserted into the first receiving cavity, the rotary member being inserted into the positioning bushing and rotatable therein.

6. The toothbrush according to any one of claims 1 to 4, further comprising a guide portion including a guide shaft mounted to the toothbrush housing and a guide hole provided on the mounting portion, the guide shaft being inserted into the guide hole.

7. The toothbrush of claim 5, further comprising a base received into the first receiving cavity extending axially of the first receiving cavity;

the lower part of the base is provided with a first installation space, the upper part of the base is provided with a second installation space, the first driving motor is installed in the first installation space, and the positioning bushing is fixed in the second installation space.

8. The toothbrush according to claim 7, further comprising a control plate, wherein a third installation space is opened between an outer circumferential surface of the base and an inner circumferential surface of the toothbrush housing, the third installation space extending in an axial direction of the base, the control plate being installed in the third installation space.

9. The toothbrush of claim 1, wherein the sanitizing portion includes a sanitizing light capable of emitting a sanitizing light, the sanitizing light being disposed within the first receiving cavity, the sanitizing light being disposed opposite the brushhead when the brushhead is retracted into the first receiving cavity.

10. The toothbrush according to claim 1 or 9, further comprising an upper cover portion provided at an upper end of the toothbrush housing so as to be capable of covering the first opening portion;

the upper cover part comprises a hinge pin, a first cover body, a second cover body and a return spring;

the hinge pin is mounted to an upper end of the toothbrush housing, and the first and second covers are respectively hinged to the hinge pin and rotatably moved toward or away from each other about the hinge pin;

the return springs comprise two return springs, one return spring is respectively abutted against the upper end of the toothbrush shell and the first cover body, the other return spring is respectively abutted against the upper end of the toothbrush shell and the second cover body, and the two return springs respectively push the upper end of the toothbrush shell and the second cover body

The first cover body and the second cover body are close to each other.