CN212412388U

CN212412388U - Bottom cap subassembly and electric toothbrush charge

Info

Publication number: CN212412388U
Application number: CN202021777371.8U
Authority: CN
Inventors: 廖嘉业; 姚志坚; 陈思远; 李双双; 黄李祥
Original assignee: Meijia Intelligent Technology Guangzhou Co ltd
Current assignee: Meijia Intelligent Technology Guangzhou Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-01-26
Anticipated expiration: 2030-08-21

Abstract

The application relates to the technical field of daily necessities, in particular to a charging bottom cover assembly and an electric toothbrush, wherein the charging bottom cover assembly comprises a protective cover, a charging assembly, a first sealing cover assembly and a second sealing cover assembly; wherein, a first mounting groove and a second mounting groove which are communicated with each other are respectively formed on two opposite sides of the first sealing cover component; the charging assembly is arranged in the first mounting groove, and a first sealing member is arranged between the charging assembly and the side wall of the first mounting groove; the protective cover is covered outside the charging assembly and is connected with the first sealing cover assembly; the second sealing component is arranged in the second mounting groove, and a second sealing member is arranged between the second sealing component and the side wall of the second mounting groove; the first cover assembly is circumferentially provided with a third sealing member. Therefore, the charging bottom cover assembly forms a comprehensive sealing structure, and the waterproof effect is better.

Description

Bottom cap subassembly and electric toothbrush charge

Technical Field

The application relates to the technical field of daily necessities, in particular to a charging bottom cover assembly and an electric toothbrush.

Background

At present, the machine body component of the electric toothbrush generates high-frequency vibration by the quick rotation or vibration of a motor core, so that toothpaste is instantaneously decomposed into fine foam to deeply clean slits between teeth, and meanwhile, the vibration of bristles can promote the blood circulation of an oral cavity and have a massage effect on gum tissues. The electric toothbrush generally combines the charging structure and the bottom cover structure, but the combined structure has poor sealing effect and is easy to leak water, so that the charging structure and other electronic components inside the body are damaged.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a bottom cap subassembly and electric toothbrush charge, solved to a certain extent that the electric toothbrush's that exists among the prior art the structure of charging and the assembly of bottom cap structure leak easily, lead to the technical problem that other electronic component inside charging structure and the fuselage damaged.

The application provides a bottom cap subassembly charges, includes: the charging device comprises a protective cover, a charging assembly, a first cover assembly and a second cover assembly; the two opposite sides of the first sealing cover component are respectively provided with a first mounting groove and a second mounting groove which are communicated with each other;

the charging assembly is mounted in the first mounting groove, and a first sealing member is arranged between the charging assembly and the side wall of the first mounting groove; the protective cover covers the outside of the charging assembly, and is connected with the first cover sealing assembly;

the second cover assembly is mounted in the second mounting groove, and a second sealing member is arranged between the second cover assembly and the side wall of the second mounting groove; the first cover sealing component is circumferentially provided with a third sealing component.

In the above technical solution, further, the protective cover is connected to the first cover assembly by welding.

In any one of the above technical solutions, further, a pressing portion extending toward the first cover assembly is formed on an inner side wall of the protective cover, and the pressing portion is pressed on a top portion of the charging assembly along a height direction of the second cover assembly.

In any of the above technical solutions, further, the charging assembly includes a base, a charging circuit board, and a conductive member; wherein the base is disposed within the shield; the charging circuit board is arranged on the base and connected to the conductive member; the protective cover is provided with a through opening, and one end of the conductive member passes through the through opening and is positioned outside the through opening; the base is also provided with a charging interface which is electrically connected with the charging circuit board;

an attachment groove that is open on one side facing the first cover unit is formed in one end of the base facing the first cover unit, and the first seal member is provided in the attachment groove.

In any of the above technical solutions, further, the first sealing cover assembly includes a body, the body is connected with the protective cover by welding, and the body is formed with the first mounting groove, the mounting through opening and the second mounting groove which are sequentially communicated along a height direction of the body;

the first mounting groove penetrates through one end of the body, and the second mounting groove penetrates through the other opposite end of the body;

the base is arranged in the first mounting groove, and the first sealing component is arranged between the base and the side wall of the first mounting groove;

the second cover assembly comprises a base body, the base body is arranged in the second mounting groove, and the second sealing component is arranged between the base body and the side wall of the second mounting groove;

an annular groove is formed on the outer side wall of the body of the first cover sealing component, and the third sealing component is arranged in the annular groove.

In any one of the above technical solutions, further, the body is formed with a first supporting portion and a second supporting portion which are arranged at an interval, wherein the first supporting portion is provided with a first clamping interface, and the second supporting portion is provided with a second clamping interface.

In any one of the above technical solutions, further, the body is formed with a plurality of limiting portions, the plurality of limiting portions enclose an installation space, and the protective cover is clamped in the installation space.

In any one of the above technical solutions, further, the body is formed with an air vent communicated with the second mounting groove, and a groove for mounting is provided around the air vent;

first closing cap subassembly still including set up in the waterproof ventilated membrane of recess is used in the installation, just waterproof ventilated membrane closing cap in the bleeder vent.

In any of the above technical solutions, further, the body is formed with an installation via hole communicated with the second installation groove, and an installation cylinder with two open ends and a hollow interior is formed around the installation via hole;

the first cover sealing assembly further comprises a protective cover buckled on the installation column body, and the protective cover covers the installation through hole;

the second cover sealing assembly further comprises a hanging piece connected with the base body, and the hanging piece is inserted into the mounting through hole.

The application also provides an electric toothbrush, which comprises the charging bottom cover assembly in any technical scheme, so that the electric toothbrush has all the beneficial technical effects of the charging bottom cover assembly, and the details are not repeated.

In the above technical solution, further, the electric toothbrush further includes a toothbrush head assembly, a housing, and a movement assembly disposed in the housing; the machine core assembly is connected to the first cover assembly, an installation space is formed between the machine core assembly and the first cover assembly, and the charging assembly is arranged in the installation space;

the first cover component and the movement component are abutted against the inner side wall of the shell, and the third sealing component is arranged between the first cover component and the inner side wall of the shell; the toothbrush head component is connected with the movement component.

Compared with the prior art, the beneficial effect of this application is:

in the charging bottom cover assembly provided by the application, a second sealing cover assembly and a second sealing component are arranged below the charging assembly for protection, so that the lower part is not easy to leak water and plays a role of primary water leakage prevention, a first sealing component is arranged between the charging assembly and the first sealing cover assembly and plays a role of secondary water leakage prevention so as to avoid water leakage to the movement assembly, a protective cover is arranged above the charging assembly and plays a role of tertiary water leakage prevention so as to avoid water leakage to the movement assembly and also can avoid reverse water leakage, namely water leakage from one side of the movement assembly towards the charging assembly, in addition, when the charging bottom cover assembly is applied to an electric toothbrush, the charging bottom cover assembly is assembled in a machine shell internally provided with the movement assembly, and a third sealing component is arranged between the machine shell and the charging bottom cover assembly and is used for preventing water from entering the interior of the machine shell, so that the safety and the reliability of the movement assembly and the, this bottom cap subassembly that charges has formed a comprehensive sealed structure, and water-proof effects is better.

The electric toothbrush provided by the application forms a complete assembly body which is tightly connected, the components are tightly contacted with each other, and water is not easy to leak.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an exploded schematic view of a powered toothbrush provided in accordance with an embodiment of the present application;

FIG. 2 is a schematic structural view of an electric toothbrush provided in accordance with an embodiment of the present application;

FIG. 3 is a cross-sectional view taken along section A-A of FIG. 2;

fig. 4 is a schematic structural diagram of a charging assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a first cover assembly according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a second cover assembly according to an embodiment of the present disclosure;

fig. 7 is a schematic assembly diagram of a charging assembly and a protective cover according to an embodiment of the present disclosure (a in the drawing represents an assembly direction);

fig. 8 is a schematic view illustrating an assembly structure of a charging assembly and a protective cover according to an embodiment of the present disclosure;

fig. 9 is an assembly structural diagram of a charging assembly, a protective cover and a first cover assembly according to an embodiment of the present disclosure;

fig. 10 is an assembly structural diagram of a charging assembly, a protective cover, a first cover assembly and a second cover assembly according to an embodiment of the present disclosure;

fig. 11 is a schematic view illustrating a further assembly structure of the charging assembly, the protective cover, the first cover assembly and the second cover assembly according to the embodiment of the present disclosure;

fig. 12 is a schematic structural diagram of a body according to an embodiment of the present application.

Reference numerals:

1-a toothbrush head, 2-a machine shell, 3-a machine core component, 31-a first buckle, 32-a second buckle, 4-a charging component, 41-a base, 411-an installation groove, 42-a charging circuit board, 43-a conductive component, 44-a charging interface, 5-a first cover component, 51-a body, 511-a first installation groove, 512-an installation through opening, 513-an annular groove, 52-a first supporting part, 521-a first clamping interface, 53-a second supporting part, 531-a second clamping interface, 54-a limiting part, 55-a waterproof breathable film, 56-a protective cover, 57-an air vent, 58-an installation groove, 59-an installation column, 6-a second cover component, 61-a base body and 62-a hanging part, 7-protective cover, 71-press fit, 8-first sealing member, 9-second sealing member, 10-third sealing member.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.

The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

A charging bottom cap assembly and an electric toothbrush according to some embodiments of the present application are described below with reference to fig. 1 to 12.

Example one

Referring to fig. 1 to 3, an embodiment of the present application provides a charging bottom cover assembly, including: the protective cover 7, the charging assembly 4, the first cover assembly 5 and the second cover assembly 6; wherein, a first mounting groove 511 and a second mounting groove communicated with each other are respectively formed on two opposite sides of the first cover sealing component 5;

the charging assembly 4 is arranged in the first mounting groove 511, the assembly is stable, and a first sealing member 8 is arranged between the charging assembly 4 and the side wall of the first mounting groove 511, so that the sealing effect is good;

the protective cover 7 covers the outside of the charging assembly 4, and the protective cover 7 is connected with the first cover assembly 5; the second sealing component 6 is arranged in the second mounting groove and is stably assembled, and a second sealing member 9 is arranged between the second sealing component 6 and the side wall of the second mounting groove, so that the sealing effect is good;

the first cap assembly 5 is circumferentially provided with a third sealing member 10.

The assembly sequence of this bottom cap subassembly that charges is as follows:

the charging assembly 4 is first placed in the protective cover 7, then the protective cover 7 is connected to one side of the first cover assembly 5, and then the second cover assembly 6 is mounted on the opposite side of the first cover assembly 5, so as to form a complete assembly.

Finally, the charging bottom cover assembly can be assembled in the casing 2 described below, and the third sealing member 10 is just arranged between the first cover assembly 5 and the casing 2, so as to prevent water leakage to the inside of the casing 2, and ensure the safety and reliability of the charging assembly 4 in the casing 2 and the movement assembly 3 described below.

When the electric toothbrush needs to be charged, the second sealing cover assembly 6 only needs to be detached, the charging assembly 4 is connected to an external power supply through a charger to be charged, and after charging is completed, the second sealing cover assembly 6 is installed back to the original position.

The below of the charging assembly 4 is protected by a second sealing cover assembly 6 and a second sealing member 9, so that the lower part is not easy to leak water, the effect of one-level water leakage is achieved, a first sealing member 8 is arranged between the charging assembly 4 and the first sealing cover assembly 5, the effect of second-level water leakage is achieved, water leakage to the movement assembly 3 is avoided, a protective cover 7 is arranged above the charging assembly 4, the effect of third-level water leakage is achieved, water leakage to the movement assembly 3 is avoided, and meanwhile reverse water leakage can be avoided, namely water leakage from one side of the movement assembly 3 towards the charging assembly 4 is avoided. Therefore, the charging bottom cover assembly forms a comprehensive sealing structure, and the waterproof effect is better.

Optionally, the structures of the first sealing member 8, the second sealing member 9 and the third sealing member 10 may be set according to actual needs, for example, the first sealing member 8, the second sealing member 9 and the third sealing member 10 may be sealing rings.

Further, the protection casing 7 will charge subassembly 4 and press and locate first closing cap subassembly 5 for it is more stable to charge subassembly 4 and first closing cap subassembly 5 assembly, and the subassembly 4 that charges can not shift, and is safer, reliable, and both form closely to assemble, and sealed effect is better.

Further, preferably, protection casing 7 is connected through the welding with first closing cap subassembly 5 for both assemble more stably, and charging assembly 4 can not shift, in addition, because both welds and makes between the two closely combine, does not have the gap, strengthens sealed effect, avoids water from further permeating core subassembly 3 between the two, further prevents the phenomenon emergence of leaking promptly, has improved the security and the reliability that electric toothbrush used, helps prolonging electric toothbrush's life moreover.

In this embodiment, preferably, as shown in fig. 3 and 4, the charging assembly 4 includes a base 41, a charging wiring board 42, and a conductive member 43; wherein, the base 41 is arranged in the protective cover 7; the inner side wall of the protective cover 7 is provided with a pressing part 71 extending towards the first sealing cover component 5, and the pressing part 71 is pressed on the base 41 along the height direction of the second sealing cover component 6, so that the base 41 is firmly pressed on the first sealing cover component 5, the contact between the base and the first sealing cover component is tighter, and water leakage is not easy;

the charging circuit board 42 is arranged on the base 41, and the charging circuit board 42 is connected to the conductive member 43; a through hole is formed in the protective cover 7, and one end of the conductive member 43 passes through the through hole and is positioned outside the through hole, so that the movement assembly 3, the charging assembly 4 and the first cover assembly 5 are stably assembled, are not easy to loose and deform, are in closer contact, and further play a role in leakage prevention;

the base 41 is further provided with a charging interface 44, the charging interface 44 is electrically connected with the charging circuit board 42, and the electric toothbrush is powered through the charging interface 44;

one end of the base 41 facing the first cover unit 5 is formed with an installation groove 411 opening toward one side of the first cover unit 5, the first sealing member 8 is disposed between the first installation groove 511 and the installation groove 411, and the groove wall of the installation groove 411 can press the first sealing member 8, thereby enhancing the sealing effect while ensuring the stability of the installation structure. Wherein, optionally, the mounting groove 411 is ring-shaped, and has an L-shaped cross section along the height direction.

In this embodiment, preferably, as shown in fig. 3, 5, 6 and 9, the first cover assembly 5 includes a body 51, the body 51 is connected with the protection cover 7 by welding, and the body 51 is formed with a first mounting groove 511, a mounting through opening 512 and a second mounting groove which are communicated in sequence along the height direction thereof;

the first mounting groove 511 penetrates through one end of the body 51, and the second mounting groove penetrates through the opposite end of the body 51;

the base 41 is arranged in the first mounting groove 511, so that the assembly is more stable; a first sealing component 8 is arranged between the base 41 and the side wall of the first mounting groove 511 to realize sealing;

the second cover sealing component 6 comprises a base body 61, and the base body 61 is arranged in the second mounting groove, so that the assembly is more stable; a second sealing component 9 is arranged between the base body 61 and the side wall of the second mounting groove to realize sealing;

an annular groove 513 is formed on an outer side wall of the body 51, and the third sealing member 10 is disposed in the annular groove 513.

In this embodiment, as shown in fig. 5, 9, 10 and 11, the body 51 is preferably formed with a first supporting portion 52 and a second supporting portion 53 arranged at an interval, wherein the first supporting portion 52 is opened with a first card interface 521, and the second supporting portion 53 is opened with a second card interface 531.

According to the structure described above, the first buckle 31 of the movement assembly 3 described below is connected to the first buckle interface 521 of the body 51 of the first cover assembly 5, and the second buckle 32 of the movement assembly 3 described below is connected to the second buckle interface 531 of the body 51 of the second cover assembly 6, that is, the movement assembly 3 and the charging assembly 4 are connected by clamping, so that the installation and the disassembly are convenient, and the operation and maintenance in the later period are convenient.

In this embodiment, as shown in fig. 5, 9 and 11, the body 51 is preferably formed with a plurality of position-limiting portions 54, the plurality of position-limiting portions 54 enclose an installation space, and the shield 7 is preferably engaged with the installation space.

As can be seen from the above-described structure, the plurality of stopper portions 54 serve to restrict the shield 7, and reinforce the fixation of the shield 7 to the main body 51 of the first cover unit 5.

Wherein, optionally, the position-limiting part 54 is shaped like a square block.

In this embodiment, preferably, as shown in fig. 11 and 12, the body 51 is formed with a vent hole 57 communicating with the second mounting groove, and a mounting groove 58 is provided around the vent hole 57;

the first sealing cover assembly 5 further comprises a waterproof breathable film 55 arranged in the mounting groove 58, and the waterproof breathable film 55 is sealed in the air holes 57.

According to the structure described above, the electronic components of the movement assembly 3 generate heat during operation, and the expansion is prevented from requiring ventilation, so that the ventilation holes 57 are required to be formed, but the movement assembly is waterproof, so that the waterproof breathable film 55 is provided, and the waterproof effect is achieved while ventilation is ensured.

In this embodiment, preferably, as shown in fig. 1, 9, 11 and 12, the body 51 is formed with a mounting through hole communicating with the second mounting groove, and a mounting cylinder 59 opened at both ends and hollow inside is formed around the mounting through hole;

the first cover sealing component 5 further comprises a protective cover 56, the protective cover 56 is buckled on the mounting column 59, and the protective cover 56 covers the mounting through hole;

the second cover sealing assembly 6 further comprises a hanging member 62 connected with the base body 61, and the hanging member 62 is inserted into the mounting through hole, specifically, the hanging member 62 is long and penetrates through the mounting through hole, then the part exceeding the mounting through hole is cut off, and finally the mounting through hole is covered by the protective cover 56 to play a role in sealing.

Example two

Embodiments of the present application further provide an electric toothbrush, including the charging bottom cap assembly according to any of the above embodiments, thereby having all the beneficial technical effects of the charging bottom cap assembly, and the details are not repeated herein.

In this embodiment, preferably, as shown in fig. 1 to 3, the electric toothbrush further includes a brush head 1 assembly, a housing 2, and a cartridge assembly 3 disposed in the housing 2; the movement assembly 3 is connected to the first cover assembly 5, an installation space is formed between the movement assembly 3 and the first cover assembly 5, and the charging assembly 4 is arranged in the installation space;

the first cover assembly 5 and the movement assembly 3 are abutted against the inner side wall of the shell 2, and a third sealing component 10 is arranged between the first cover assembly 5 and the inner side wall of the shell 2; the toothbrush head 1 component is connected with the movement component 3.

According to the above-described structure, the movement assembly 3 is connected to the first cover assembly 5, the charging assembly 4 is disposed in the installation space enclosed by the first cover assembly 5 and the charging assembly 4, the second cover assembly 6 is mounted on one side of the first cover assembly 5, the second cover assembly 6 is mounted on the opposite side of the first cover assembly 5 away from the charging assembly 4, and the first cover assembly 5 and the movement assembly 3 are both abutted against the inner side wall of the casing 2, so as to form a complete assembly body which is tightly connected, tightly contacted with each other, and not prone to water leakage. In addition, all be provided with the sealing member between above-mentioned two structures that contact, form comprehensive sealed, water-proof effects is better.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A charging bottom cap assembly, comprising: the charging device comprises a protective cover, a charging assembly, a first cover assembly and a second cover assembly; the two opposite sides of the first sealing cover component are respectively provided with a first mounting groove and a second mounting groove which are communicated with each other;

the charging assembly is mounted in the first mounting groove, and a first sealing member is arranged between the charging assembly and the side wall of the first mounting groove of the first cover assembly; the protective cover covers the outside of the charging assembly, and is connected with the first cover sealing assembly;

the second cover assembly is mounted in the second mounting groove, and a second sealing member is arranged between the second cover assembly and the side wall of the second mounting groove of the first cover assembly; the first cover sealing component is circumferentially provided with a third sealing component.

2. The charging bottom cover assembly of claim 1, wherein the protective cover is connected to the first cover assembly by welding.

3. The charging bottom cover assembly according to claim 1 or 2, wherein the inner side wall of the protective cover is formed with a press-fit portion extending toward the first cover assembly, and the press-fit portion is press-fitted to the top of the charging assembly along the height direction of the second cover assembly.

4. The charging bottom cover assembly of claim 3, wherein the charging assembly comprises a base, a charging circuit board, and a conductive member; wherein the base is disposed within the shield; the charging circuit board is arranged on the base and connected to the conductive member; the protective cover is provided with a through opening, and one end of the conductive member passes through the through opening and is positioned outside the through opening; the base is also provided with a charging interface which is electrically connected with the charging circuit board;

5. The charging bottom cover assembly according to claim 4, wherein the first cover assembly includes a body connected to the shield by welding, the body being formed with the first mounting groove, the mounting through-opening, and the second mounting groove sequentially communicating in a height direction thereof;

6. The charging bottom cover assembly of claim 5, wherein the body is formed with a first support portion and a second support portion spaced apart from each other, wherein the first support portion defines a first clip interface and the second support portion defines a second clip interface.

7. The charging bottom cover assembly of claim 5, wherein the body is formed with a plurality of position-limiting portions, the plurality of position-limiting portions enclosing an installation space, and the protective cover is engaged with the installation space.

8. The charging bottom cover assembly of claim 5, wherein the body is formed with a vent hole communicating with the second mounting groove, and a mounting groove is provided around the vent hole;

9. The charging bottom cover assembly according to claim 8, wherein the body is formed with a mounting via hole communicating with the second mounting groove, and a mounting cylinder opened at both ends and hollow inside is formed around the mounting via hole;

10. An electric toothbrush comprising a toothbrush head assembly, a housing, and a cartridge assembly disposed within the housing and the charging bottom cap assembly of any one of claims 1 to 9; the machine core assembly is connected to the first cover assembly, an installation space is formed between the machine core assembly and the first cover assembly, and the charging assembly is arranged in the installation space;