CN209966617U

CN209966617U - Electric toothbrush and brush holder and key component thereof

Info

Publication number: CN209966617U
Application number: CN201920151804.XU
Authority: CN
Inventors: 粱蓬
Original assignee: Shenzhen Lidaxin Precision Mould Co Ltd
Current assignee: Shenzhen Lidaxin Precision Mould Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2020-01-21
Anticipated expiration: 2029-01-29

Abstract

The utility model relates to an electric toothbrush and brush holder and button part thereof. The key component comprises a first hard rubber part, a second hard rubber part and a soft rubber part; the first hard rubber part is connected with the shell in an injection molding mode, and an opening is formed in the first hard rubber part; the second hard rubber part is arranged in the opening, a space is formed between the second hard rubber part and the inner wall of the opening, the second hard rubber part corresponds to the key switch, and the second hard rubber part is used for being pressed; the soft glue part is formed between the first hard glue part and the second hard glue part in an injection molding mode. When pressing the second ebonite portion, deformation can take place for the second ebonite portion can take place the displacement, thereby triggers key switch. Because the soft glue portion is formed between the first hard glue portion and the second hard glue portion in an injection molding mode, no gap can be formed between injection-molded and connected components. When manufacturing the casing, can directly mould plastics the casing on the button part, first ebonite portion and the seamless integrative connection of moulding plastics of casing, and then make the position of button part whole not have the gap, avoided the dirty dirt of hiding.

Description

Electric toothbrush and brush holder and key component thereof

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to an electric toothbrush and a brush holder and a key part thereof.

Background

When the electric toothbrush is used, a user needs to trigger the starting switch, and a gap is often formed at the joint of the traditional switch and the toothbrush shell. Because electric toothbrushes are often stored in a wet environment, bacteria are easily grown. Especially, the gap at the switch is easy to store dirt and dirty.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need to provide an electric toothbrush, a handle thereof and a button member thereof, which can prevent the switch from storing dirt.

A key component is arranged on a shell of electronic equipment and used for triggering a key switch of the electronic equipment, and comprises a first hard glue part, a second hard glue part and a soft glue part; the first hard rubber part is used for being integrally connected with the shell in an injection molding mode, and an opening is formed in the first hard rubber part; the second hard glue part is arranged in the opening, a space is formed between the second hard glue part and the inner wall of the opening, the second hard glue part is used for corresponding to the key switch, and the second hard glue part is used for being pressed; the soft glue part is formed between the first hard glue part and the second hard glue part in an injection molding mode.

In one embodiment, the key component further includes a connecting portion, the connecting portion is located between the first hard glue portion and the second hard glue portion, and the first hard glue portion, the connecting portion and the second hard glue portion are of an injection molding integrated structure.

In one embodiment, the connecting portion is a curved strip.

In one embodiment, the connecting parts are multiple and uniformly distributed around the second hard rubber part.

In one embodiment, the key component further includes a receiving portion, the receiving portion is located at an outer edge of the first hard rubber portion, the receiving portion and the first hard rubber portion are of an injection molding integrated structure, and a step portion is formed at a connection position of the first hard rubber portion and the receiving portion.

In one embodiment, the outer surface of the first hard rubber part is provided with an electroplating oil spraying layer.

A brush handle of an electric toothbrush comprises a shell, an electronic element, a key switch and the key part; an accommodating cavity is formed in the shell, and the electronic element and the key switch are arranged in the accommodating cavity and are in communication connection; the first hard rubber part is connected with the shell in an injection molding mode, and the second hard rubber part corresponds to the key switch.

In one embodiment, the light emitting component is further included, the second hard glue portion is semi-transparent, and the light emitting component is located in the accommodating cavity and corresponds to the second hard glue portion.

In one embodiment, the soft rubber part is semitransparent, and the light-emitting part is located in the accommodating cavity and corresponds to the soft rubber part.

An electric toothbrush comprises a brush head and a brush handle of the electric toothbrush, and the toothbrush can be arranged on the brush handle.

Above-mentioned electric toothbrush and brush holder and button part thereof, when pressing the second ebonite portion, deformation can take place for second ebonite portion can take place the displacement, thereby triggers key switch, and then the electronic component work of control holding intracavity. Because the soft glue part is formed between the first hard glue part and the second hardware part in an injection molding mode, no gap can be formed between injection-molded and connected parts, and therefore no gap can be formed on the surface of the key part. Furthermore, when the shell is manufactured, the shell can be directly injected on the key part, the first hard rubber part is integrally connected with the shell in a seamless injection mode, and therefore the position of the key part is integrally free of gaps, dirt collection and containing are avoided, and the performance of keeping the electric toothbrush clean is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, drawings of other embodiments can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a handle of an embodiment of an electric toothbrush;

FIG. 2 is a front view of a button member of the electric toothbrush of FIG. 1;

FIG. 3 is a cross-sectional view of a button member and a button switch of the electric toothbrush shown in FIG. 1;

FIG. 4 is a side view of the handle of the powered toothbrush of FIG. 1;

FIG. 5 is an enlarged view of a portion of the handle of the powered toothbrush of FIG. 4 at A;

FIG. 6 is a top plan view of the handle of the powered toothbrush of FIG. 4;

FIG. 7 is an exploded view of a button member in an embodiment of the powered toothbrush shown in FIG. 1;

fig. 8 is a front view of a button part of the electric toothbrush shown in fig. 7.

Detailed Description

To facilitate an understanding of the present invention, the powered toothbrush and its handle and button assembly will now be described more fully with reference to the accompanying drawings. The drawings show preferred embodiments of the powered toothbrush and its handle and button assembly. However, the powered toothbrush and its handle and button member may be embodied in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the powered toothbrush and its handle and button assembly.

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 herein in the description of the powered toothbrush and its handle and button assembly is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, the power toothbrush in one embodiment comprises a handle 10 and a head (not shown) capable of being mounted on the handle 10, wherein the handle 10 comprises a housing 100, an electronic component (not shown), a key switch 200, and a key member 300; an accommodating cavity is formed in the housing 100, and the electronic element and the key switch 200 are arranged in the accommodating cavity and are in communication connection;

the button part 300 includes a first hard glue portion 310, a second hard glue portion 320, and a soft glue portion 330; the first hard rubber part 310 is connected with the housing 100 in an injection molding manner, and the first hard rubber part 310 is provided with an opening 312; the second hard rubber part 320 is arranged in the opening 312, a space is formed between the second hard rubber part 320 and the inner wall of the opening 312, the position of the second hard rubber part 320 corresponds to that of the key switch 200, and the second hard rubber part 320 is used for being pressed; in an embodiment, the outer surface of the first hard glue portion 310 may be provided with a plating oil spray layer. The soft rubber part 330 is injection molded between the first hard rubber part 310 and the second hard rubber part 320.

When the second hard rubber part 320 is pressed, the soft rubber part 330 can deform, so that the second hard rubber part 320 can displace, the key switch 200 is triggered, and the electronic element in the accommodating cavity is controlled to work. Referring to fig. 4 to 6, since the soft rubber part 330 is injection molded between the first hard rubber part 310 and the second hard rubber part, no gap may be formed between the injection-molded parts, and thus, no gap may be formed on the surface of the key assembly 300. Further, when the housing 100 is manufactured, the housing 100 can be directly molded on the key part 300 in an injection mode, the first hard rubber part 310 is integrally connected with the housing 100 in a seamless injection mode, and therefore the position of the key part 300 is integrally free of gaps, dirt collection and dirt holding are avoided, and the performance of keeping the electric toothbrush clean is improved.

Referring to fig. 7, in one embodiment, the key assembly 300 may further include a connecting portion 340, the connecting portion 340 is located between the first hard glue portion 310 and the second hard glue portion 320, and the first hard glue portion 310, the connecting portion 340 and the second hard glue portion 320 are of an injection-molded and integrally molded structure. The first hard adhesive part 310, the connecting part 340 and the second hard adhesive part 320 can be molded at one time, and the position of the connecting part 340 can be glued in the injection molding process, so that the manufacturing process can be simplified. Meanwhile, the connection part 340 may also assist the soft rubber part 330 to recover the deformation after pressing the second hard rubber part 320. Further, in an embodiment, the connecting portion 340 may be a curved strip, and the connecting portion 340 has a long deformation stroke and a large elasticity. In an embodiment, the connection portions 340 may be a plurality of and uniformly distributed around the second hard adhesive portion 320, and the second hard adhesive portion 320 may be uniformly received, so that the key assembly 300 is more durable.

Referring to fig. 7 and 8, in an embodiment, the key assembly 300 may further include a receiving portion 350, the receiving portion 350 is located at an outer edge of the first hard glue portion 310, the receiving portion 350 and the first hard glue portion 310 are an injection-molded integral structure, and the first hard glue portion 310 forms a step portion 314 at a connection portion with the receiving portion 350. The receiving portion 350 can assist in positioning during the injection molding process of the housing 100, and the position of the step portion 314 can enhance the connection between the key assembly 300 and the housing 100.

In one embodiment, the handle 10 may further include a light-emitting component (not shown), the second hard adhesive component 320 is translucent, and the light-emitting component is located in the receiving cavity and corresponds to the second hard adhesive component 320. The translucent second hard gel portion 320 may guide light so that a user can observe the operation state of the electric toothbrush. In other embodiments, the soft rubber portion 330 may also be translucent and correspond to the light emitting component. The light emitting position may be the position of the second hard adhesive portion 320, the position of the soft adhesive portion 330, or both the positions.

The button part 300 may be used not only for an electric toothbrush, but also for electronic daily necessities such as a face washing machine, a sterilizing cup, a heating cup, etc. in other embodiments, the button part 300 may be used.

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 key component is arranged on a shell of electronic equipment and used for triggering a key switch of the electronic equipment, and is characterized by comprising a first hard glue part, a second hard glue part and a soft glue part; the first hard rubber part is used for being integrally connected with the shell in an injection molding mode, and an opening is formed in the first hard rubber part; the second hard glue part is arranged in the opening, a space is formed between the second hard glue part and the inner wall of the opening, the second hard glue part is used for corresponding to the key switch, and the second hard glue part is used for being pressed; the soft glue part is formed between the first hard glue part and the second hard glue part in an injection molding mode.

2. The key element according to claim 1, further comprising a connecting portion located between the first hard adhesive portion and the second hard adhesive portion, wherein the first hard adhesive portion, the connecting portion and the second hard adhesive portion are of an injection-molded and integrally molded structure.

3. A key element according to claim 2, characterised in that said connecting portion is in the form of a curved strip.

4. The key element according to claim 2, wherein the connecting portions are plural and uniformly distributed around the second hard adhesive portion.

5. The key component according to claim 1, further comprising a receiving portion located at an outer edge of the first hard adhesive portion, wherein the receiving portion and the first hard adhesive portion are of an injection-molded and integrally-molded structure, and a step portion is formed at a connection portion of the first hard adhesive portion and the receiving portion.

6. The key element according to claim 1, wherein an outer surface of the first hard adhesive portion is provided with a plating oil-sprayed layer.

7. A handle for an electric toothbrush comprising a housing, electronics, a push button switch and a push button element as claimed in any one of claims 1 to 6; an accommodating cavity is formed in the shell, and the electronic element and the key switch are arranged in the accommodating cavity and are in communication connection; the first hard rubber part is connected with the shell in an injection molding mode, and the second hard rubber part corresponds to the key switch.

8. The handle of an electric toothbrush of claim 7, further comprising a light emitting member, wherein the second glue portion is translucent, and the light emitting member is located in the receiving cavity and corresponds to the second glue portion.

9. The handle of claim 7, further comprising a light emitting member, wherein the soft plastic portion is translucent, and the light emitting member is located in the accommodating cavity and corresponds to the soft plastic portion.

10. An electric toothbrush comprising a head and a handle of an electric toothbrush according to any one of claims 7 to 9, the toothbrush being mountable to the handle.