CN215688660U

CN215688660U - Electric toothbrush and charging seat thereof

Info

Publication number: CN215688660U
Application number: CN202121509377.1U
Authority: CN
Inventors: 鲍永
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-01
Anticipated expiration: 2031-07-02

Abstract

The utility model relates to an electric toothbrush, which comprises a shell and a power supply which is positioned in the shell and supplies power to a motor in the electric toothbrush, and is characterized in that: the bottom of the shell is also provided with a first circuit board at least partially exposed out of the shell, and the exposed surface of the first circuit board is provided with a conductive anode and a conductive cathode so as to form a charging input end for charging the power supply. The charging seat comprises a seat body, a second circuit board, a negative conductive piece and a positive conductive piece are arranged in the seat body, and the negative conductive piece and the positive conductive piece are distributed on the second circuit board. After adopting above-mentioned structure for charging structure's overall space occupies for a short time, design benefit, simple structure, and the user charges conveniently.

Description

Electric toothbrush and charging seat thereof

Technical Field

The utility model relates to the technical field of electric toothbrushes and charging seats thereof.

Background

The importance of teeth is now becoming increasingly recognized and electric toothbrushes are becoming widely used. The electric toothbrush generally comprises a brush handle and a brush head, wherein a motor capable of driving the brush head to vibrate at high frequency and a power supply for supplying power to the motor are arranged in the brush handle, and the power supply generally adopts a rechargeable battery. When the electric toothbrush is used for a period of time, the power supply needs to be charged through the charging stand. Most of existing electric toothbrushes are charged by a USB interface positioned at the bottom or on the side wall, although the purpose of charging a power supply can be achieved, the electric toothbrush has certain inconvenience when being used by a user, and the electric toothbrush needs to be dumped for charging, so that bristles are likely to touch the surfaces of other objects to pollute the bristles. Meanwhile, the potential safety hazard of water inlet is also generated at the USB interface, so that a lot of troubles are brought to users.

At present, also there is the formula of inhaling of adopting point-to-point grafting mode to charge the structure between electric toothbrush and the charging seat to when charging, the two can combine together reliably, but this magnetism is inhaled the form that the formula of charging structure is similar to the plug, and occupation space is great, so still need to be in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the utility model is to provide an electric toothbrush which occupies a small space, has a simple structure and is convenient to charge, aiming at the current situation of the prior art.

The second technical problem to be solved by the present invention is to provide a charging stand for charging an electric toothbrush, which occupies a small space, is convenient to charge, and has a simple structure when used in cooperation with the electric toothbrush.

In order to solve the first technical problem, the technical scheme adopted by the utility model is as follows: an electric toothbrush, including the casing and be located the casing and the power supply of the motor power supply in the electric toothbrush, its characterized in that: the bottom of the shell is also provided with a first circuit board at least partially exposed out of the shell, and the exposed surface of the first circuit board is provided with a conductive anode and a conductive cathode so as to form a charging input end for charging the power supply.

Preferably, the conductive cathode is designed into a circular ring, and the conductive anode is located at the center of the conductive cathode. Make the butt joint of charging between electric toothbrush and the charging seat simple, quick, and can obviously improve user's experience and feel.

In order to make the electric toothbrush be adsorbed on a ferrous object or a magnetic body so as to be more stable in standing or charging, a first magnet or a first metal piece capable of being adsorbed on the magnet is further installed in the shell body and is close to the bottom of the shell body.

It is further preferable that, when the first metal part is mounted on the housing, the first metal part is a counterweight part located on the first circuit board, so that the housing has two purposes and a more compact structure.

In order to solve the second technical problem, the utility model adopts the following technical scheme: a charging seat, including the pedestal, its characterized in that: the base is internally provided with a second circuit board, and a negative conductive piece and a positive conductive piece which are distributed on the second circuit board, and the end part of the negative conductive piece and the end part of the positive conductive piece can be respectively used for correspondingly contacting with a conductive negative electrode and a conductive positive electrode on the electric toothbrush to form a charging output end.

Preferably, the number of the negative electrode conductive members is two, and the two negative electrode conductive members are respectively and symmetrically distributed by taking the positive electrode conductive member as a center, so that the electric contact during charging is more stable.

In order to enable the electric toothbrush to be more stably supported in the charging seat in a charging state, a groove for the bottom of the electric toothbrush to be seated is formed in the upper surface of the seat body, and the negative electrode conductive piece and the positive electrode conductive piece are arranged in the groove.

In order to prevent water from accumulating in the groove, a water leakage channel which is connected with the water leakage hole on the bottom surface of the seat body is further downwards extended from the bottom surface of the groove, and accumulated water is timely discharged from the groove through the water leakage channel and the water leakage hole.

In order to improve the stability of the charging seat when the charging seat is placed, a balancing weight is arranged in the seat body.

Similarly, a second metal piece or a second magnet which can be adsorbed to the magnet is arranged in the base body so as to be matched with the corresponding first magnet or the corresponding first metal piece on the electric toothbrush, and the electric toothbrush can be reliably in an upright state during charging.

For convenience of processing and assembling, the seat body is formed by combining an upper seat body and a lower seat body.

In each of the above solutions, preferably, the negative electrode conductive member and the positive electrode conductive member are exposed on the surface of the base. At this time, corresponding through holes for exposing the cathode conductive member and the anode conductive member may be formed on the surface of the base body to prevent external foreign matters from entering the base body.

The negative electrode conductive piece and the positive electrode conductive piece penetrate through the sealing piece and are exposed out of the through hole, so that water is prevented from entering the through hole, and the potential safety hazard of water entering the through hole is avoided.

Compared with the prior art, the conductive anode and the conductive cathode on the electric toothbrush are positioned at the bottom of the shell and arranged on the first circuit board, so that the conductive anode and the conductive cathode can be made thinner. And meanwhile, the corresponding negative electrode conductive piece and the positive electrode conductive piece on the charging seat configured for the charging seat are also arranged on the second circuit board, and the exposed end parts of the negative electrode conductive piece and the positive electrode conductive piece are correspondingly contacted with the conductive negative electrode and the conductive positive electrode, so that the whole space is small, the design is ingenious, the structure is simple, and the charging is convenient for users.

Drawings

FIG. 1 is a perspective view of an electric toothbrush and a charging base according to an embodiment of the present invention;

FIG. 2 is a perspective view of FIG. 1 with a lower section;

FIG. 3 is a perspective view of the lower portion of the powered toothbrush of FIG. 1;

FIG. 4 is an exploded perspective view of FIG. 3;

FIG. 5 is a schematic top view of the charging stand of FIG. 1;

FIG. 6 is an exploded perspective view of FIG. 5;

fig. 7 is a further exploded view in the other direction of fig. 6.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The embodiment discloses an electric toothbrush and a charging seat thereof, and as shown in figures 1 and 2, the electric toothbrush 1 is placed on the charging seat 2 and is in a charging state, wherein the electric toothbrush 1 comprises a shell 11 as a handle and a brush head 12 detachably connected to the shell 11, the shell 11 is formed by detachably connecting an upper handle body 111 and a lower bottom cover 112 (the two can be clamped or screwed), referring to fig. 3 and 4, an inner cavity is formed inside the handle body 111 and the bottom cover 112 after being connected, the inner cavity is provided with a power supply (in this embodiment, the power supply is a rechargeable battery 13) for supplying power to a motor in the electric toothbrush, a first magnet or a first metal piece 14 capable of being attached to the magnet, which is arranged near the bottom of the housing 11, and a starting switch 15 and a plurality of indicator lights 16, which are all in the prior art, are also arranged on the handle body 111. In the embodiment, the main improvement is that a first circuit board 17 at least partially exposed out of the casing 11 is installed at the bottom of the casing 11, a conductive positive electrode 18 and a conductive negative electrode 19 are installed on the exposed surface of the first circuit board 17, and the conductive positive electrode 18 and the conductive negative electrode 19 are respectively and electrically connected with the positive electrode and the negative electrode of the rechargeable battery 13 to form a charging input end for charging the rechargeable battery 13.

Since the conductive anode 18 and the conductive cathode 19 are located on the first circuit board 17, the conductive anode 18 and the conductive cathode 19 can be made relatively thin, and occupy a small space. Further, the conductive cathode 19 is configured as a circular ring, and the conductive anode 18 is located at the center of the conductive cathode 19. At this time, the electric toothbrush 1 is inserted into the charging stand 2 at any angle, and the conductive positive electrode 18 and the conductive negative electrode 19 are electrically connected to the positive electrode conductive member 24 and the negative electrode conductive member 23 described below on the charging stand 2. That is, electric toothbrush 1 need not to find the accurate position and dock with charging seat 2, but can 360 rotation charging of charging seat relatively to make the butt joint of charging simple fast, and can obviously improve user's experience and feel.

Considering that the electric toothbrush 1 is placed upright in a charging state or a non-use state, the first magnet or the first metal member 14 capable of being attracted to the magnet is preferably made of iron, and is used as a weight member, and is located in the bottom cover 112 above the first circuit board 17 so as to be as close to the bottom of the housing 11 as possible, so that the electric toothbrush 1 can be attracted to a magnetic attraction member in the charging stand 2 described below, and the stability of the electric toothbrush 1 when it is placed upright can be improved.

Referring to fig. 5 to 7, the charging dock 2 includes a cradle 21, a second circuit board 22 located in the cradle 21, and a negative conductive member 23 and a positive conductive member 24 distributed on the second circuit board 22, wherein the negative conductive member 23 and the positive conductive member 24 form a charging output terminal. For the convenience of assembly, the base 21 is composed of an upper base 211 and a lower base 212, the surface of the upper base 211 is provided with corresponding through holes 213 for exposing the negative conductor 23 and the positive conductor 24, the number of the through holes corresponds to the number of the negative conductor 23 and the positive conductor 24 (of course, a large window is provided for exposing the negative conductor 23 and the positive conductor 24), and the end of the negative conductor 23 and the end of the positive conductor 24 can be respectively contacted with the conductive negative electrode 19 and the conductive positive electrode 18 of the electric toothbrush 1.

In order to improve the stability of the electric toothbrush 1 and the charging seat 2 during charging, the upper surface of the base 21 has a groove 214 for the bottom of the electric toothbrush 1 to sit on, the through hole 213 is located on the bottom surface of the groove 214, at this time, considering that the water on the electric toothbrush 1 will fall down along the outer wall of the casing 11 and be stored in the groove 214, in order to prevent the water from entering the through hole 213 on the bottom surface of the groove 214, a water leakage channel 216 connected with a water leakage hole 215 on the bottom surface of the base 21 extends downwards from the bottom surface of the groove 214, and the number of the water leakage channels 216 can be designed as required (see fig. 7). Meanwhile, a sealing element 25 is additionally arranged, the sealing element 25 is positioned between the second circuit board 22 and the upper surface of the upper seat body 211, and the negative conductive element 23 and the positive conductive element 24 penetrate through the sealing element 25 and are exposed in the corresponding through holes 213, so that water falling from the electric toothbrush 1 cannot enter the seat body from the through holes 213 but only flows out from the water leakage holes 215 on the bottom surface of the charging seat 2 along the water leakage channel 216, and the potential safety hazard is avoided.

In this embodiment, in consideration of the stability of the electrical contact between the electric toothbrush 1 and the charging stand 2, the number of the negative conductive members 23 is two, and the two negative conductive members are symmetrically distributed around the positive conductive member 24, and the number of the through holes 213 is three. Of course, the number of the negative electrode conductive members 23 may be more as required, and the negative electrode conductive members may be distributed around the positive electrode conductive member 24.

In order to cooperate with the magnetic attraction with the first metal piece 14 of the electric toothbrush 1, a magnetic attraction piece, i.e. a second magnet 26 in the figure, is further installed in the seat body 21, and the second magnet 26 in fig. 6 is designed into a ring-shaped body, and surrounds the negative electrode conductive piece 23 and the positive electrode conductive piece 24, and corresponds to the first metal piece 14.

Similarly, in consideration of the stability of the charging seat 2 after the electric toothbrush 1 is placed, in this embodiment, a weight 27 is also installed in the seat 21, and a plurality of weight blocks are stacked, the weight block 27 is located below the second magnet 26, and a through hole 271 is formed in the middle of the weight block 27, and the second circuit board 22 is located therein, so that the whole charging seat 2 is compact in structure and small in size.

When charging is needed, the lower end of the electric toothbrush 1 is directly inserted into the groove 214 of the charging seat 2, so that the exposed end of the negative electrode conductive member 23 and the exposed end of the positive electrode conductive member 24 are respectively in contact with the conductive negative electrode 19 and the conductive positive electrode 18 of the electric toothbrush 1. While the second magnet 26 and the first metal piece 14 are reliably held together by magnetic attraction therebetween. Under the dual action of the first metal piece 14 and the weight 27, the electric toothbrush and the charging base are stably in the upright state.

In addition to the above embodiments, the first magnet may be mounted in the housing 11 of the electric toothbrush 1 and may be attracted to the second magnet 26 or the second metal member in the charging stand 2, and in this case, a weight may be separately provided in the housing 11. When the second metal member is disposed in the base 21 and attracted to the first magnet in the housing, the second metal member can also be used as a weight block of the charging base 2. Such a solution is therefore also within the scope of protection of the present invention.

Claims

1. An electric toothbrush, including the casing and be located the casing and the power supply of the motor power supply in the electric toothbrush, its characterized in that: the bottom of the shell is also provided with a first circuit board at least partially exposed out of the shell, and the exposed surface of the first circuit board is provided with a conductive anode and a conductive cathode so as to form a charging input end for charging the power supply.

2. The electric toothbrush of claim 1, wherein: the conductive cathode is designed into a circular ring, and the conductive anode is positioned at the center of the conductive cathode.

3. The electric toothbrush of claim 1, wherein: and a first magnet or a first metal piece capable of being adsorbed to the magnet is further arranged in the shell body and close to the bottom of the shell body.

4. The electric toothbrush of claim 3, wherein: when the first metal piece is installed on the shell, the first metal piece is a counterweight piece positioned on the first circuit board.

5. A charging seat, including the pedestal, its characterized in that: the base is internally provided with a second circuit board, and a negative conductive piece and a positive conductive piece which are distributed on the second circuit board, and the end part of the negative conductive piece and the end part of the positive conductive piece can be respectively used for correspondingly contacting with a conductive negative electrode and a conductive positive electrode on the electric toothbrush to form a charging output end.

6. The charging dock of claim 5, wherein: the number of the negative electrode conductive pieces is two, and the two negative electrode conductive pieces are respectively and symmetrically distributed by taking the positive electrode conductive piece as a center.

7. The charging dock of claim 5, wherein: the upper surface of the base body is provided with a groove for the bottom of the electric toothbrush to be seated, so that the electric toothbrush is stably supported in the charging seat, and the negative electrode conductive piece and the positive electrode conductive piece are arranged in the groove.

8. The charging dock of claim 7, wherein: the bottom surface of the groove is also extended downwards to form a water leakage channel which is connected with the water leakage hole on the bottom surface of the seat body.

9. The charging dock of claim 5, wherein: a balancing weight is arranged in the seat body.

10. The charging dock of claim 5, wherein: and a second metal piece or a second magnet capable of being adsorbed to the magnet is arranged in the seat body.

11. The charging dock of claim 5, wherein: the seat body is formed by combining an upper seat body and a lower seat body.

12. The charging dock of any one of claims 5 to 11, wherein: the negative electrode conductive piece and the positive electrode conductive piece are exposed out of the surface of the seat body.

13. The charging dock of claim 12, wherein: and the surface of the seat body is provided with corresponding through holes for exposing the cathode conductive piece and the anode conductive piece.

14. The charging dock of claim 13, wherein: and the negative electrode conductive piece and the positive electrode conductive piece penetrate through the sealing piece and are exposed out of the through hole.