WO2022020979A1

WO2022020979A1 - Portable disinfecting electric toothbrush and portable disinfection method

Info

Publication number: WO2022020979A1
Application number: PCT/CN2020/101832
Authority: WO
Inventors: 欧阳群
Original assignee: 深圳牙洁仕科技有限公司
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2022-02-03

Abstract

A portable disinfecting electric toothbrush, comprising a toothbrush body (20) having a power source(10), a brush head (21) extending outwards from one end of the toothbrush body (20), and a brush cover (30) for covering the brush head (21) in a received state. An ultraviolet disinfection lamp (41) is arranged inside the brush cover (30). The inner wall of the brush cover (30) is provided with a wire (39) electrically connected to the ultraviolet disinfection lamp (39) and a power acquisition contact point (51) positioned outside the brush cover (30) and connected to the wire (39). A power supply contact point (52) corresponding to the power acquisition contact point (51) is provided at one end of the toothbrush body (20) that is close to the brush head (21). The power supply contact point (52) is connected to the power source (10) in the toothbrush body (20). Placement of the ultraviolet disinfection lamp (41) inside the brush cover (30) and adoption of the brush cover (30) as a disinfecting cavity can protect the brush head (21) and achieve disinfection. A spring (39) is used as the wire (39) and produces an outbound elastic force to a metal pin (51A), thus helping preserve good electric contact between the power acquisition contact point (51) and the power supply contact point (52). A UV control board (40) is mounted so as to be inclined with respect to the brush cover (30), and the ultraviolet disinfection lamp (41) is arranged close to the brush head (21), such that the entire brush head is illuminated as much as possible.

Description

Portable sterilizing electric toothbrush and portable sterilizing method

technical field

The invention relates to an electric toothbrush, in particular to a portable sterilizing electric toothbrush with a shared power supply and a portable sterilizing method.

Background technique

In the prior art, there are many sterilization methods for toothbrushes, and there are also many sterilization principles. One of the most widely used is ultraviolet disinfection. Therefore, the inventor of the present application, according to the search keywords "(((cover or box) and toothbrush and (sterilization or disinfection) and (circuit OR electric) and (ultraviolet light or ultraviolet lamp or LED))) AND ic1, ic2: ( a47 or a46 or a61)”, and retrieved 153 Chinese patent documents. Among them are some sanitizing toothbrushes with portable features.

For example, there is a patent, the patent number is CN200720196069.1, and the name is portable ultraviolet disinfection ultrasonic toothbrush. It mentions the disinfection design scheme for ordinary toothbrushes.

There is another patent, the patent number is CN201821124765.6, which is called a portable disinfection and sterilization toothbrush. There is an accommodation cavity inside the hand-held device of the toothbrush. After use, the toothbrush head needs to be removed and put into it for disinfection. Such a structure destroys the original integral structure of the toothbrush and is inconvenient during use.

There is also a patent, the patent number is CN201920713056.X, the patent name is a folding and disinfection integrated electric toothbrush, its shortcomings are similar to the previous patents, and it also destroys the original structure of the toothbrush body, and it is not sealed during disinfection. Ultraviolet rays are not good for the human body.

As can be seen from the above-mentioned patents, the sterilizing electric toothbrushes currently available to people have shortcomings. Therefore, it is necessary to develop a more practical, portable and sterilizable electric toothbrush product.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a portable sterilizing electric toothbrush and a portable sterilizing method for the above-mentioned problems existing in the prior art.

Purpose of the present invention is achieved through the following technical solutions:

A portable sterilizing electric toothbrush includes a toothbrush body with a power supply inside, a brush head extending outward from one end of the toothbrush body, and a brush cover for covering the brush head when stored; the brush cover is provided with Ultraviolet disinfection lamp, the inner wall of the brush cover is provided with a wire electrically connected to the ultraviolet disinfection lamp, and a power-taking contact located at the outer end of the brush cover and connected to the wire, and the end of the toothbrush body near the brush head is provided with a corresponding power-taking contact The power supply contact is connected with the power supply in the toothbrush body to realize the innovation of the shared power supply in which the toothbrush disinfection cover is powered by the toothbrush body.

Preferably, the wire includes two springs provided with the inner wall of the brush cover, and the power-taking contact is a metal thimble provided at the outer end of the spring.

Preferably, the brush cover comprises a barrel-shaped body, an end cover arranged at one end of the barrel-shaped body, and a spring bracket arranged on the inner wall of the barrel-shaped body; a UV control board is arranged on the inner side of the end cover, and the UV control The plate is fixed with the ultraviolet sterilizing lamp; one end of the spring bracket close to the toothbrush body is provided with a thimble mounting hole; the spring bracket is also formed with a guide surface for guiding when the brush head is installed.

Preferably, the installation plane of the UV control board is an inclined plane with respect to the axial direction of the brush cover, and the ultraviolet disinfection lamp is arranged at one end of the UV control board close to the brush head, so as to tilt the brush head installed in the brush cover. Sterilize to irradiation.

Preferably, the outer end of the end cap is provided with an inclined surface for identifying when the brush head is nested, and the inner wall is an inclined surface, so that the UV control board and the brush cover are axially inclined.

Preferably, one end of the barrel-shaped body close to the end cover is provided with an inclined end surface corresponding to the end cover; the end cover is provided with a coupling portion inserted into the barrel-shaped body, and the coupling portion is provided with There is an end cover clamping groove connected with the barrel-shaped body, and the barrel-shaped body is provided with an end cover clamping protrusion corresponding to the end cover clamping groove.

Preferably, it also includes a pattern grating arranged between the UV control board and the end cover, to send out a working state indication signal to the outside when the ultraviolet disinfection lamp works.

Preferably, the connection between the brush cover and the toothbrush body is a snap-fit connection; one end of the barrel-shaped body close to the toothbrush body is provided with a body snap-on protrusion that is connected to the toothbrush body; the toothbrush body is provided with The body clamping slot corresponding to the body clamping protrusion.

Preferably, the toothbrush body includes a casing, a vibration motor disposed in the casing and electrically connected to the power supply, a main control PCB board disposed on the inner wall of the casing, and buttons disposed on the surface of the casing and corresponding to the main control PCB board, A waterproof charging interface arranged on the casing and electrically connected with the power source, and the power source.

The present invention is a portable disinfection method for an electric toothbrush. The electric toothbrush is the aforementioned portable disinfection type electric toothbrush. When the brush head is installed in the brush cover, the power supply in the toothbrush body passes through the power supply contact, the power extraction contact, the wire and the ultraviolet light. The disinfection lamp is turned on, and the ultraviolet disinfection lamp starts to work after it is powered on. The UV control board is equipped with a delay circuit. When the ultraviolet disinfection lamp starts to work and the set time is reached, the power supply of the ultraviolet disinfection lamp is interrupted, and the disinfection work ends.

Compared with the prior art, the beneficial effects of the present invention are:

In the invention, the ultraviolet disinfection lamp is placed in the brush cover, and the brush cover is used as a cavity for disinfection, which can not only protect the brush head but also play a role in disinfection, and realizes the innovation of the shared power supply in which the toothbrush disinfection cover body is powered by the toothbrush main body. .

. The spring is used as the wire, and the metal thimble generates outward elastic force, which is beneficial to the well-protected electrical contact between the power-taking contact and the power-supplying contact.

The brush cover further adopts a spring bracket in the barrel body, which is helpful for the installation of the spring and the installation of the brush cover. The spring bracket further forms a guide surface, which can guide the brush head when the brush head is installed in the brush cover.

The UV control board is installed in a position where it is inclined to the brush cover, and the ultraviolet disinfection lamp is placed close to the brush head, which can illuminate the entire brush head to the greatest extent, without the need for a large angle of the light of the LED illuminator. Diffusion reduces the requirements for the front-end lens of the LED illuminator, that is, the performance requirements of the ultraviolet disinfection lamp, thereby reducing the cost. Moreover, the ultraviolet disinfection lamp is installed on the end cover, and the brush head will not touch, which avoids the damage of the brush head to the disinfection lamp when improperly operated.

Due to the oblique installation requirements of the UV control board, the outer end of the end cap and the outer end of the barrel-shaped body are both inclined surfaces, which further gives the user a clear guidance when the brush head is installed in the brush cover.

The end cover and the barrel-shaped body adopt the positioning and installation of axial matching, and adopt the snap connection, which is easy to install and does not affect the appearance.

The adopted pattern grating can play a light guiding role and play a prompting role to the user. In order to transmit light to the outside, the end caps are made of materials with partial transparency.

The brush cover and the toothbrush body adopt a snap-type connection, which can quickly fix the brush cover and save time for the user.

In the disinfection method of the present invention, a timing circuit is provided on the UV control panel, the ultraviolet disinfection lamp starts to work, and the time is calculated. When the set time is reached, the disinfection is stopped. No buttons are added, no other operations are required, and the user's operation procedures are reduced. .

Description of drawings

Fig. 1 is the simple schematic diagram of the specific embodiment of the portable disinfection type electric toothbrush of the present invention;

Fig. 2 is the axial section structure diagram of the specific embodiment of the portable disinfection type electric toothbrush of the present invention;

Fig. 3 is the three-dimensional exploded view of the embodiment of Fig. 2;

Figure 4 is a partial enlarged view of the end cap of Figure 3 and its adjacent components;

FIG. 5 is a partial enlarged view of the toothbrush upper cover of FIG. 3 and its adjacent components.

reference number

10 Power supply 20 Toothbrush body

215 Brush Head Firmware 216 Brush Head Housing

217 bristle section 21 brush head

221 Toothbrush upper cover 222 Power supply contact PCB board

22 Shell 231 Output shaft

233 Waterproof silicone plug 23 Vibration motor

241 Waterproof light guide post 24 Main control PCB board

25 Buttons 26 Waterproof charging port

28 Main bracket 29 Main body card slot

30 Brush cover 310 Beveled end face

313 End cover snapping protrusion 314 Body snapping protrusion

31 Barrel body 339 Thimble mounting hole

321 Connection part 322 End cover slot

32 End cap 330 Guide surface

33 Spring Bracket 39 Spring

40 UV control panel 41 Ultraviolet disinfection lamp

49 Pattern grating 51A Metal thimble

51 Power take-off contact 52 Power supply contact

52A Power supply conductive column

detailed description

In order to more fully understand the technical content of the present invention, the technical solutions of the present invention are further introduced and described below with reference to specific embodiments, but are not limited thereto.

As shown in the embodiment shown in FIG. 1 , the portable sterilizing electric toothbrush of the present invention includes a toothbrush body 20 with a power supply 10 inside, a brush head 21 extending outward from one end of the toothbrush body 20 , and a cover for use in the storage state. The brush cover 30 holding the brush head 21; the brush cover 30 is provided with an ultraviolet disinfection lamp 41, and the inner wall of the brush cover 30 is provided with a wire ( Including a positive lead and a negative lead), and a power supply contact 51 located at the outer end of the brush cover 30 and connected to the lead, the toothbrush body 20 is provided with a power supply contact 52 corresponding to the power supply contact 51 at one end of the toothbrush body 20; The power supply 10 in the toothbrush body 20 is connected.

Figure 2 shows a more specific structure. Among them, the wires used in the brush cover 30 use two springs 39 provided with the inner wall of the brush cover.

In order to facilitate processing and installation, the brush cover 30 includes a barrel-shaped body 31, an end cover 32 arranged at one end of the barrel-shaped body 31, and a spring bracket 33 arranged on the inner wall of the barrel-shaped body; the inner side of the end cover 32 is provided with a UV control board 40, The UV control board 40 is fixedly provided with the ultraviolet disinfection lamp 41; one end of the spring bracket 33 close to the toothbrush body 20 is provided with a thimble mounting hole 339 (for installing a metal thimble). The spring bracket 33 is also formed with a guide surface 330 for guiding when the brush head 21 is installed. The spring support 33 can be a one-piece structure, or can be composed of two parts.

In order to irradiate the brush head of the brush head in a wider range, the installation plane of the UV control board 40 is inclined relative to the axial direction of the brush cover 30, and the ultraviolet disinfection lamp 41 is arranged on the end of the UV control board 40 close to the brush head 21, so as to The oblique irradiation disinfection is performed on the brush head 21 installed in the brush cover 30 . In order to save costs and facilitate the shell extraction process, the end cover has a sloped structure as a whole, and its outer end is provided with a sloped surface for identifying when the brush head is fitted, and the inner wall is a sloped surface to form the UV control board and the brush cover. Axial is inclined.

Further, one end of the barrel-shaped body 31 close to the end cover is provided with an inclined end surface 310 corresponding to the end cover 32; The barrel-shaped body 31 is connected with an end cover engaging groove 322 , and the barrel-shaped body 31 is provided with an end cover engaging protrusion 313 corresponding to the end cover engaging groove 322 .

Further, it also includes a pattern grating 49 arranged between the UV control board 40 and the end cover 32, and sends out a working state indication signal to the outside when the ultraviolet disinfection lamp 41 works.

Further, the connection between the brush cover 30 and the toothbrush body 20 is a snap connection; one end of the barrel-shaped body 31 close to the toothbrush body 20 is provided with a body snap-on protrusion 314 connected with the toothbrush body 20; the toothbrush body 20 is provided with The body locking protrusion 314 corresponds to the body locking groove 29 .

As a more specific structure, the toothbrush body 20 includes a casing 22 , a vibration motor 23 disposed in the casing 22 and electrically connected to the power source 10 , a main control PCB 24 disposed on the inner wall of the casing 22 , and disposed in the casing 22 The buttons 25 on the surface and corresponding to the main control PCB board 24 , the waterproof charging interface 26 provided on the casing 22 and electrically connected to the power source, and the power source 10 . In order to fix the vibration motor 23 , a main bracket 28 is also provided in the housing 22 . In order to facilitate the regular replacement of the brush head 21, the brush head 21 adopts a split structure, including a brush head fastener 215 fixed with the toothbrush body 20, and a brush head housing 216 sleeved on the outer periphery of the brush head fastener 215. One end of the body 216 is provided with a bristle portion 217 . In order to indicate the working state of the toothbrush, a waterproof light guide column 241 is also provided between the surface of the casing 22 and the main control PCB board 24 to form a working indicator light. The vibration motor 23 is further provided with an output shaft 231 which extends into the brush head fixture 215 through the waterproof silicone plug 233 . In order to facilitate processing and installation, the casing 22 has a barrel-shaped structure, and its end close to the brush head is connected with a toothbrush upper cover 221 through a snap-on structure, and a power supply contact PCB board 222 (also called a power supply contact PCB board 222) is arranged in the toothbrush upper cover 221. Brush cover conductive PCB), and a power supply conductive column 52A is fixed.

The present invention is a portable disinfection method for an electric toothbrush. The electric toothbrush is the aforementioned portable disinfection type electric toothbrush. When the brush head is installed in the brush cover, the power supply in the toothbrush body passes through the power supply contact, the power extraction contact, the wire and the ultraviolet light. The disinfection lamp is turned on, and the ultraviolet disinfection lamp starts to work after it is powered on. The UV control board is equipped with a delay circuit. When the ultraviolet disinfection lamp starts to work and the set time is reached, the power supply of the ultraviolet disinfection lamp is interrupted, and the disinfection work ends. Generally, the set time is 60 seconds, and it can also be 45 seconds, 75 seconds, or 90 seconds. In order to meet the requirements of different environments such as different regions and different temperatures, further innovations can be made. There is a knob on the end cover, and a potentiometer that can adjust the set time on the UV control board. The knob is connected with the potentiometer to achieve Adjustment of the set time.

The present invention can also provide an innovation in the product structure of the brush cover, that is, a disinfection type brush cover structure. A connected wire, and a power-taking contact located at the outer end of the brush cover and connected to the wire; a power supply is provided in the toothbrush body connected with the brush cover, and a brush head extending outward from one end of the toothbrush body, the toothbrush body is close to the brush One end of the head is provided with a power supply contact corresponding to the power supply contact; the power supply contact is connected with the power supply in the toothbrush body. For further specific structures, refer to the above embodiments, which will not be repeated here. It can be connected with the toothbrush body of the electric toothbrush, and can also be connected with the toothbrush body of the non-electric toothbrush.

To sum up, in the present invention, the ultraviolet disinfection lamp is placed in the brush cover, and the brush cover is used as a cavity for disinfection, which can not only protect the brush head but also play a role in disinfection. The spring is used as the wire, and the metal thimble generates outward elastic force, which is beneficial to the well-protected electrical contact between the power-taking contact and the power-supplying contact.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand it more easily, but it does not mean that the embodiments of the present invention are limited to this, and any technical extension or re-creation made according to the present invention is subject to the protection of. The protection scope of the present invention is subject to the claims.

Claims

A portable sterilizing electric toothbrush includes a toothbrush body with a power supply inside, a brush head extending outward from one end of the toothbrush body, and a brush cover for covering the brush head in a storage state; it is characterized in that the brush cover There is a disinfection lamp inside, a wire electrically connected to the disinfection lamp is arranged on the inner wall of the brush cover, and a power-taking contact is located at the outer end of the brush cover and connected to the wire. The end of the toothbrush body near the brush head is provided with a power-taking contact Corresponding power supply contacts; the power supply contacts are connected to the power supply in the toothbrush body.
The portable sterilizing electric toothbrush according to claim 1, characterized in that the wire comprises two springs provided with the inner wall of the brush cover, and the power-taking contact is a metal thimble provided on the outer end of the springs.
The portable sterilizing electric toothbrush according to claim 2, wherein the brush cover comprises a barrel-shaped body, an end cover arranged at one end of the barrel-shaped body, and a spring bracket arranged on the inner wall of the barrel-shaped body; The inner side of the cover is provided with a UV control board, and the UV control board is fixed with the disinfection lamp; the end of the spring bracket close to the toothbrush body is provided with a thimble mounting hole; The guide surface that guides the brush head.
The portable sterilizing electric toothbrush according to claim 3, characterized in that the installation plane of the UV control board is an inclined plane relative to the axial direction of the brush cover, and the disinfection lamp is arranged at one end of the UV control board close to the brush head, To sterilize the brush head installed in the brush cover obliquely.
The portable sterilizing electric toothbrush according to claim 4, wherein the outer end of the end cap is provided with an inclined surface for identifying when the brush head is fitted, and the inner wall is an inclined surface to form the UV control panel and the brush cover. Axial is inclined.
The portable sterilizing electric toothbrush according to claim 5, wherein one end of the barrel-shaped body close to the end cap is provided with an inclined end surface corresponding to the end cap; barrel book A coupling part in the body, the coupling part is provided with an end cover clamping groove connected with the barrel-shaped body, and the barrel-shaped body is provided with an end cover clamping protrusion corresponding to the end cover clamping groove.
The portable sterilizing electric toothbrush according to claim 3, further comprising a pattern grating arranged between the UV control board and the end cover, which sends out a working state indication signal to the outside when the sterilizing lamp works.
The portable sterilizing electric toothbrush according to any one of claims 1 to 7, characterized in that the connection between the brush cover and the toothbrush body is a snap connection; the end of the barrel-shaped body close to the toothbrush body is provided with A body clamping protrusion is connected with the toothbrush body; the toothbrush body is provided with a body clamping groove corresponding to the body clamping protrusion.
The portable sterilizing electric toothbrush according to claim 8, characterized in that the toothbrush body comprises a housing, a vibration motor arranged in the housing and electrically connected to the power supply, a main control PCB board arranged on the inner wall of the housing, and a main control PCB arranged on the inner wall of the housing. The buttons on the surface of the body and corresponding to the main control PCB board, the waterproof charging interface arranged on the casing and electrically connected to the power source, and the power source.
A portable disinfection method for an electric toothbrush, characterized in that the portable disinfection type electric toothbrush according to any one of claims 1-9 is used, and when the brush head is installed in the brush cover, the power supply in the toothbrush body passes through the power supply contacts and takes electricity. The contacts, wires and the disinfection lamp are connected, and the disinfection lamp starts to work after it is powered on. The UV control board is equipped with a delay circuit. When the disinfection lamp starts to work and the set time is reached, the power supply of the disinfection lamp is interrupted, and the disinfection work ends. Be