CN214596069U

CN214596069U - Handle and electric toothbrush

Info

Publication number: CN214596069U
Application number: CN202022786618.9U
Authority: CN
Inventors: 林晓明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-11-05
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a handle and an electric toothbrush, wherein the handle comprises a shell, a bottom cover, a driving device, a battery and a drying device; the shell is provided with a first end and a second end which are arranged in a back-to-back manner, the first end is provided with an avoidance hole, the second end is provided with a mounting port, and the avoidance hole and the mounting port are both communicated with a cavity in the shell; the bottom cover is an insulator and is arranged at the second end and closes the mounting opening so as to form an accommodating cavity with the shell in a surrounding mode, and the surface, far away from the shell, of the bottom cover can be in contact with the support so that the handle can be vertically placed on the support; the driving device is connected with the brush head, and the driving part can drive the output shaft to rotate so as to drive the brush head to swing back and forth; the drying device is arranged on the bottom cover and located in the containing cavity and used for drying the bottom cover. The utility model discloses in, the user can heat the bottom through drying device when vertically placing electric toothbrush on supports such as wash-stand and dry to eliminate ponding between the two fast, avoid breeding the bacterium between the two.

Description

Handle and electric toothbrush

Technical Field

The utility model relates to an oral cavity cleaning device field especially relates to a handle and electric toothbrush.

Background

An electric toothbrush generally includes a handle and a brush head, wherein the handle has a housing, a driving device, a battery, and other elements, a driving portion of the driving device and the battery are disposed in the housing, one end of an output shaft of the driving device is connected to the driving portion, and the other end of the output shaft extends out of the housing. The brush head is arranged on the output shaft, the driving part can drive the output shaft to rotate in a clockwise and anticlockwise reciprocating mode, and then the brush head is driven to swing in a reciprocating mode through the output shaft, so that the brush head can clean teeth.

In an actual product, the housing generally includes a case body and a bottom cover, wherein the case body is of a cylindrical structure and has a receiving cavity therein, and the driving portion, the battery and other components are mounted in the receiving cavity. In addition, in the axial of casing, the casing has first end and second end, is equipped with on the terminal surface of first end and dodges the hole, is equipped with the opening on the terminal surface of second end, dodges hole and opening and all holds the chamber intercommunication with the casing. In the production process, elements such as the driving device, the battery and the like are firstly installed on a support to form a driving core, and then the driving core is placed into the accommodating cavity from the opening of the second end. When the driving core is installed in place, the output shaft penetrates through the avoiding hole and extends out of the shell. The bottom cover is matched with the second end of the shell to close the opening of the second end so as to prevent external liquid or dust and the like from entering the accommodating cavity.

In the actual use process, a user can vertically place the electric toothbrush on a bearing object such as a washstand after brushing teeth, at the moment, the bottom surface of the handle is in direct contact with the bearing object (the bottom surface of the handle refers to the surface of the bottom cover far away from the shell), and water is usually arranged on the electric toothbrush and/or the washstand after brushing teeth, so that after the user places the electric toothbrush on the washstand, water exists between the handle and the washstand, and the washstand is not easy to irradiate by sunlight generally, so that the water between the handle and the washstand can be remained for a long time, and bacteria are easy to breed at the bottom of the handle.

SUMMERY OF THE UTILITY MODEL

The utility model provides a handle and electric toothbrush aims at solving the problem that the bacterium is multiplied easily in electric toothbrush's handle bottom.

A handle is connected with a brush head to drive the brush head to swing in a reciprocating manner and comprises a shell, a bottom cover, a driving device, a battery and a drying device; the device comprises a shell, a first end and a second end, wherein the first end and the second end are arranged in a back-to-back manner, an avoidance hole is formed in the end face of the first end, a mounting hole is formed in the end face of the second end, and the avoidance hole and the mounting hole are both communicated with a cavity in the shell; a bottom cover, which is an insulator, is arranged at the second end and closes the mounting opening so as to form a containing cavity around the shell, and the surface of the bottom cover far away from the shell can be contacted with a support so as to enable the handle to be vertically placed on the support; the driving device is provided with a driving part and an output shaft, the driving part is arranged in the accommodating cavity, one end of the output shaft of the driving device is connected with the driving part, the other end of the output shaft extends out of the shell from the avoiding hole so as to be connected with the brush head, and the driving part can drive the output shaft to rotate so as to drive the brush head to swing back and forth; and the drying device is arranged on the bottom cover and is positioned in the accommodating cavity, and the drying device can be electrically connected with the battery so as to dry the bottom cover.

Further, the bottom cover includes: the side plate is of an annular structure and is positioned in the accommodating cavity; the bottom plate is connected with one end of the side plate and closes the opening of the end to form an installation cavity with an opening at one end, and the surface of the bottom plate, which is far away from the side plate, is the surface of the bottom cover, which is far away from the shell; the drying device is arranged on the surface of the bottom plate, which is used for being connected with the side plate, and is positioned in the mounting cavity.

Furthermore, the bottom plate includes a first area and a second area surrounding the outer side of the first area, the projection of the side plate on the bottom plate coincides with the first area, and the second area abuts against the end face of the second end.

Furthermore, a groove is formed in the surface, away from the side plate, of the bottom plate, wherein the groove penetrates through the bottom plate in the radial direction of the side plate.

Further, the number of the grooves is multiple.

Further, the handle further comprises: the first plug connector is electrically connected with the battery; the second plug connector, with drying device electric connection, first plug connector with the second plug connector links together with pluggably, in order to realize first plug connector with the electric connection of second plug connector, and then realize the battery with drying device's electric connection.

Further, the first plug connector is fixed on the shell so as to prevent relative movement between the first plug connector and the shell; the second plug connector is fixed on the bottom cover so as to prevent relative movement between the second plug connector and the bottom cover.

Further, a guide groove is formed in the inner surface of the shell, is formed in the end face of the second end, and extends towards the first end; the bottom cover is provided with a guide block matched with the guide groove, and the guide block can be placed into the guide groove from the mounting opening; the guide block cooperates with the guide groove to define positions of the bottom cover and the housing in a circumferential direction of the housing.

Further, the drying device is an electric heating piece; and/or the drying device is embedded on the bottom cover.

An electric toothbrush, comprising: a handle as described in any of the above embodiments; a brush head mounted on the output shaft.

The utility model discloses in, can heat through drying device to electric toothbrush's bottom and dry, when the user was vertical with electric toothbrush and was placed on supports such as wash stand (the surface and the wash stand direct contact of casing were kept away from to the bottom this moment), can eliminate ponding between the two fast like this, avoid breeding the bacterium between the two. Meanwhile, the drying device is arranged on the bottom cover, so that the drying efficiency can be improved, and the energy consumption is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the electric toothbrush provided by the present invention;

FIG. 2 is a schematic view of the internal structure of the electric toothbrush provided by the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

FIG. 4 is an enlarged view of area B of FIG. 2;

fig. 5 is a schematic view of the whole structure of the bottom cover of the electric toothbrush provided by the present invention;

fig. 6 is a bottom view of the bottom cap of the electric toothbrush provided by the present invention;

fig. 7 is a schematic view of the overall structure of the housing of the electric toothbrush provided by the present invention;

fig. 8 is an enlarged schematic view of region C in fig. 7.

The reference numbers are:

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1, in the present embodiment, the electric toothbrush 100 includes a handle 10 and a head 20, the head 20 is detachably mounted on the handle 10, and the head 20 is driven to oscillate back and forth by the handle 10 so that the head 20 can clean teeth.

As shown in fig. 2 to 4, in the present embodiment, the handle 10 includes a housing 1, a bottom cover 2, a driving device 3, and a battery 4. The housing 1 is a cylindrical structure, and a wall 11 of the housing surrounds a cavity 12. In addition, the shell 1 is provided with a first end 13 and a second end 14 which are arranged in an opposite mode, an avoidance hole 15 is formed in the end face of the first end 13, a mounting port 16 is formed in the end face of the second end 14, and both the avoidance hole 15 and the mounting port 16 are communicated with the cavity 12 inside the shell 1. In this embodiment, the bottom cover 2 is disposed at the second end 14 of the housing 1 and closes the mounting opening 16, such that the bottom cover 2 and the housing 1 surround to form a receiving cavity 5. It can be understood that when the bottom cover 2 has a cavity communicating with the cavity 12 of the housing 1, the space for accommodating the cavity 5 is composed of the cavity 12 and a corresponding cavity on the bottom cover 2; when there is no cavity in the bottom cap 2 communicating with the cavity 12, the space of the accommodating cavity 5 is the space of the cavity 12, or the space in the cavity 12 except the space occupied by the bottom cap 2 placed in the cavity 12.

In this embodiment, the driving device 3 has a driving portion 31 and an output shaft 32, one end of the output shaft 32 is connected to the driving portion 31, and the battery 4 is electrically connected to the driving device 3, so as to supply power to the driving portion 31, so that the driving portion 31 can drive the output shaft 32 to rotate in a clockwise and counterclockwise reciprocating manner. The battery 4 and the driving part 31 are both installed in the accommodating cavity 5, and the other end of the output shaft 32 (i.e. the end of the output shaft 32 far away from the driving part 31) extends out of the housing 1 at the avoiding hole 15. In the present embodiment, the driving device 3 is a motor, in which case the driving part 31 is a combination of elements such as a motor housing, a stator, and a rotor, and the output shaft 32 is a main shaft of the motor. In addition, as shown in fig. 2 and 3, in the present embodiment, a waterproof ring 10a is further provided between the output shaft 32 and the wall of the avoidance hole 15 to prevent external liquid from entering the accommodating chamber 5.

It will be appreciated that in some embodiments, the drive portion 31 may not include a motor housing, and the stator may be disposed directly on the housing 1. Of course, in some embodiments, the driving portion 31 is a complete motor, and the output shaft 32 is a transmission shaft connected to a main shaft of the motor.

As shown in fig. 2 and 4, in the present embodiment, the handle 10 further includes a drying device 6, and the drying device 6 is disposed on the bottom cover 2 and located in the accommodating cavity 5. Drying device 6 can be connected with battery 4 electricity, alright this moment in order to supply power to drying device 6 through battery 4, and then realize heating the stoving to bottom 2. When the user vertically places electric toothbrush 100 on supports such as washstand (the bottom cover 2 is kept away from the surface of casing 1 and washstand direct contact this moment), can eliminate ponding between the two fast, avoid breeding the bacterium between the two. In addition, it should be understood that the bottom cover 2 is an insulator to prevent a safety accident, wherein in an actual product, the housing 1 and the bottom cover 2 are both made of plastic.

In an actual product, the on and off of the electrical connection between the drying device 6 and the battery 4 may be controlled by a control chip of the electric toothbrush 100 (the chip is disposed in the receiving chamber 5). For example, after the user brushes teeth, the chip can automatically control the battery 4 to be communicated with the drying device 6, so that the drying device 6 works to dry the bottom cover 2; after the drying device 6 works for a period of time, the chip can automatically control the disconnection between the battery 4 and the drying device 6. It will be appreciated that in some embodiments, the user may also manually control the connection and disconnection of the electrical connection between the drying device 6 and the battery 4, and at this time, a corresponding switch is provided between the two, and at the same time, a corresponding button is provided on the housing 1, so that the user can control the on/off of the switch at the outside of the housing 1. Of course, other arrangements may be adopted, so that the user can control the on/off of the switch at the outer side of the housing 1, for example, a through hole is provided on the wall 11 of the housing 1, and the switch is directly exposed from the through hole.

As shown in fig. 4, in the present embodiment, the bottom cover 2 includes a side plate 21 and a bottom plate 22, wherein the side plate 21 is of a ring structure, and the bottom plate 22 is connected to one end of the side plate 21 and closes an opening of the one end, and the bottom plate 22 and the side plate surround a mounting cavity 23 with one end open. After the handle 10 is assembled, the side plate 21 is located in the cavity 12 of the housing 1, wherein a protrusion 24 is arranged on the outer side of the side plate 21, a clamping groove 17 is arranged on the inner side of the housing wall 11, the protrusion 24 or the clamping hook is arranged in the clamping groove 17, and the bottom cover 2 is clamped and matched with the housing 1 through the matching of the protrusion and the clamping hook. In other embodiments, the protrusion 24 may be disposed on the inner side of the housing wall 11, and the locking groove 17 may be disposed on the outer side of the side.

In this embodiment, the surface of the bottom plate 22 away from the side plate 21 is the surface of the bottom cover 2 away from the casing 1, and the drying device 6 is located in the installation cavity 23 and is arranged on the surface of the bottom plate 22 for connecting with the side plate 21, so that the heat generated by the drying device 6 is more favorably transferred to the contact area between the handle 10 and the washstand, and the drying efficiency is improved. In this embodiment, the drying device 6 is an electric heating plate, and can be placed and fixed on the bottom plate 22 by bonding or the like. Of course, in some embodiments, the drying device 6 may also be embedded in the bottom cover 2, and the two may be integrated by injection molding.

As shown in fig. 2 and 4, in the present embodiment, the bottom plate 22 includes a first region 221 and a second region 222 surrounding the first region 221, wherein the projection of the side plate 21 on the bottom plate 22 coincides with the first region 221, and the second region 222 interferes with the end surface of the second end 14, that is, the interference between the bottom plate 22 and the housing 1 limits the relative position of the bottom cover 2 and the housing 1. In addition, the bottom plate 22 has a third area 223 opposite to the hollow portion of the side plate 21.

When the drying device 6 is in operation, water accumulation between the bottom cover 2 and the washstand may form water vapor, and in order to improve the drying efficiency, as shown in fig. 5 and 6, in the present embodiment, a groove 224 is provided on a surface of the bottom plate 22 away from the side plate 21, wherein the groove 224 penetrates through the bottom plate 22 in a radial direction of the side plate 21. When drying like this, the steam that produces between bottom 2 and the washstand alright outwards diffuse outward fast from recess 224 to can improve drying efficiency. In addition, in actual products, the number of the grooves 224 may be plural, and the grooves 224 may be arranged in parallel, which may make the handle 10 more beautiful as a whole.

As shown in fig. 2 and 4, in the present embodiment, the handle 10 further includes a first connector 7 and a second connector 8, wherein the first connector 7 is electrically connected to the battery 4, the second connector 8 is electrically connected to the drying device 6, and the first connector 7 and the second connector 8 are connected together in a pluggable manner. The battery 4 and the drying device 6 are electrically connected through the electrical connection of the first connector 7 and the second connector 8. Specifically, one of the first connector 7 and the second connector 8 has a slot, and the other has a pin that can be plugged in the slot, where the first connector 7 and the second connector 8 may be common male-female plug-in terminals, and this embodiment is not described in more detail.

In this embodiment, the first connector 7 is fixed on the housing 1, i.e. the first connector 7 and the housing 1 do not move relatively after being assembled, and the second connector 8 is fixed on the bottom cover 2, i.e. the second connector 8 and the bottom cover 2 do not move relatively after being assembled. During the equipment, assemble into a module with first plug connector 7 and casing 1 earlier, assemble into a module with second plug connector 8 and bottom 2, then assemble these two modules again, wherein, bottom 2 stretches into cavity 12 of casing 1 from installing port 16 and realizes being connected with casing 1 simultaneously, can also realize the plug-in connection of first plug connector 7 and second plug connector 8, and the setting can improve the packaging efficiency like this.

In practical applications, the handle 10 further has a bracket 9, and the driving unit 3, the battery 4, and the first connector 7 are fixed to the bracket 9 to form a driving core, and the driving core is installed into the housing 1 through the installation opening 16. Meanwhile, the bracket and the shell 1 are respectively provided with corresponding clamping structures, so that the bracket and the shell can be clamped and fixed together, and the first plug connector 7 can be fixed on the shell 1. In this embodiment, the second connector 8 may be disposed on the side plate 21 by means of bonding or clipping. As shown in fig. 4 and 5, the inner side of the side plate 21 is provided with a mounting position 211, the mounting position 211 may be surrounded by a rib structure arranged on the inner side of the side plate 21, and the second connector 8 is fixed on the mounting position 211. Specifically, in this embodiment, two ribs 212 are disposed at intervals inside the side plate 21, bosses 213 are disposed on opposite sides of the two ribs 212, the second plug connector 8 is disposed on a surface of the boss 213 away from the bottom plate 22, the bosses 213 on the two ribs 212 are also disposed at intervals, and a conductive wire for electrically connecting the drying device 6 and the second plug connector 8 can pass through between the two bosses 213.

As shown in fig. 5, 7 and 8, in the present embodiment, the inner surface of the housing 1 is provided with a guide groove 18, and the guide groove 18 is opened from the end surface of the second end 14 and extends toward the first end 13. The bottom cover 2 is provided with a guide block 25 matching the guide groove 18, and the guide block 25 can be disposed into the guide groove 18 from the mounting opening 16 of the end face of the second end 14. By the engagement of the guide block 25 with the guide groove 18, the position of the bottom cover 2 and the housing 1 in the circumferential direction of the housing 1 can be defined, wherein the axial direction of the housing 1 is also the circumferential direction of the side plate 21. In the present embodiment, the guide groove 18 is a linear groove, and the guide block 25 is provided on the outer surface of the side plate 21.

In this embodiment, the guide block 25 is engaged with the guide slot 18 to prevent the bottom cover 2 from rotating relative to the housing 1, for example, the guide slot 18 is a rectangular slot, the guide block 25 is a rectangular block, and the inner surface of the guide slot 18 is overlapped with the surface of the guide block 25.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A handle for engaging a brushhead to drive the brushhead in a reciprocating motion, comprising:

the device comprises a shell, a first end and a second end, wherein the first end and the second end are arranged in a back-to-back manner, an avoidance hole is formed in the end face of the first end, a mounting hole is formed in the end face of the second end, and the avoidance hole and the mounting hole are both communicated with a cavity in the shell;

the bottom cover is an insulator, is arranged at the second end and closes the mounting opening so as to form an accommodating cavity with the shell in a surrounding manner; the surface of the bottom cover away from the shell can be contacted with a support so as to enable the handle to be vertically placed on the support;

a battery disposed within the receiving cavity;

the driving device is electrically connected with the battery and is provided with a driving part and an output shaft, the driving part is arranged in the accommodating cavity, one end of the output shaft of the driving device is connected with the driving part, the other end of the output shaft extends out of the shell from the avoiding hole so as to be connected with the brush head, and the driving part can drive the output shaft to rotate so as to drive the brush head to swing back and forth; and

and the drying device is arranged on the bottom cover and is positioned in the accommodating cavity, and the drying device can be electrically connected with the battery so as to dry the bottom cover.

2. The handle of claim 1, wherein the bottom cover comprises:

the side plate is of an annular structure and is positioned in the accommodating cavity;

the bottom plate is connected with one end of the side plate and closes the opening of the end to form an installation cavity with an opening at one end, and the surface of the bottom plate, which is far away from the side plate, is the surface of the bottom cover, which is far away from the shell; the drying device is arranged on the surface of the bottom plate, which is used for being connected with the side plate, and is positioned in the mounting cavity.

3. The handle of claim 2, wherein the bottom panel comprises a first region and a second region surrounding the first region, wherein the projection of the side panel onto the bottom panel coincides with the first region, and wherein the second region abuts an end surface of the second end.

4. The handle of claim 2, wherein the surface of the bottom plate remote from the side plate is provided with a groove, wherein the groove penetrates through the bottom plate in a radial direction of the side plate.

5. The handle of claim 4, wherein the number of grooves is plural.

6. The handle according to any of claims 1-5, further comprising:

the first plug connector is electrically connected with the battery;

the second plug connector, with drying device electric connection, first plug connector with the second plug connector links together with pluggably, in order to realize first plug connector with the electric connection of second plug connector, and then realize the battery with drying device's electric connection.

7. The handle of claim 6, wherein the first connector is secured to the housing to prevent relative movement therebetween; the second plug connector is fixed on the bottom cover so as to prevent relative movement between the second plug connector and the bottom cover.

8. The handle of claim 7, wherein the inner surface of the housing defines a guide slot, the guide slot defined by an end surface of the second end and extending toward the first end;

the bottom cover is provided with a guide block matched with the guide groove, and the guide block can be placed into the guide groove from the mounting opening; the guide block cooperates with the guide groove to define positions of the bottom cover and the housing in a circumferential direction of the housing.

9. The handle of claim 1, wherein the drying device is an electric heating plate; and/or

The drying device is embedded on the bottom cover.

10. An electric toothbrush, comprising:

a handle according to any one of claims 1-9;

a brush head mounted on the output shaft.