CN218075439U

CN218075439U - Earplug

Info

Publication number: CN218075439U
Application number: CN202123439728.9U
Authority: CN
Inventors: 邵伟; 彭久高; 师瑞文; 何桂晓; 郭世文; 曹磊; 吴海全
Original assignee: Shenzhen Guanxu Industrial Design Co ltd; Shenzhen Grandsun Electronics Co Ltd
Current assignee: Shenzhen Guanxu Industrial Design Co ltd; Shenzhen Grandsun Electronics Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-12-20
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses an earplug, it includes: the earphone comprises a first shell, a second shell and an earphone body, wherein the second shell comprises a connecting part and an ear inlet part connected with the connecting part, the earphone body is installed on the ear inlet part, and the first shell is installed on the connecting part; the first shell is provided with a connecting part, the connecting part is provided with an annular boss, the first shell is provided with an annular groove, and the shape of the annular groove is matched with that of the annular boss, so that the first shell can pass through the annular boss and the annular groove and is connected with the connecting part and fixed in an ultrasonic welding connection mode.

Description

Earplug

Technical Field

The utility model relates to an earplug field especially relates to an earplug of making an uproar falls.

Background

The existing earplugs are usually fixed through an adhesive applying assembly mode, the procedure of drying is required to be carried out through pressure maintaining in the assembly process, the production working hours of products are increased, the adhesive is easily overflowed in the assembly mode, and the cleaning difficulty is increased due to the overflow of the adhesive.

SUMMERY OF THE UTILITY MODEL

The utility model provides an earplug, the casing of this earplug and earplug body link together through the equipment mode of supersound, and this kind of equipment mode has shortened production man-hour, and does not have the problem of excessive glue, the equipment of being convenient for.

The utility model provides an earplug, it includes: the earphone comprises a first shell, a second shell and an earphone body, wherein the second shell comprises a connecting part and an ear inlet part connected with the connecting part, the earphone body is installed on the ear inlet part, and the first shell is installed on the connecting part;

the first shell is provided with a connecting part, the connecting part is provided with an annular boss, the first shell is provided with an annular groove, and the shape of the annular groove is matched with that of the annular boss, so that the first shell can pass through the annular boss and the annular groove and is connected with the connecting part and fixed in an ultrasonic welding connection mode.

In an embodiment of the earplug, a first protrusion extends from a bottom of the annular groove, and the first protrusion abuts against a terminal surface of the annular boss.

In an embodiment of the earplug, the bottom of the annular groove has a first predetermined distance from the end surface of the annular boss.

In an embodiment of the earplug, the middle part of the annular boss is provided with a first groove, two ends of the first groove are provided with a first rib, and the first groove is connected with the first rib to form a positioning groove.

In an embodiment of the present invention, the positioning protrusion extends from the bottom of the annular groove, and the position of the positioning protrusion corresponds to the position of the positioning groove.

In an embodiment of the present invention, the positioning protrusion is cross-shaped.

In an embodiment of the present invention, the top of the positioning protrusion is provided with a chamfer.

In an embodiment of the present invention, the first groove is further provided with a second rib, the second rib is connected to both ends of the first groove to form an open slot, and the open slot is communicated with the ear.

In an embodiment of the earplug of the present invention, the annular groove is further provided with a protrusion, and the position of the protrusion corresponds to the position of the open groove.

In an embodiment of the present invention, the earplug body includes a membrane, the ear-entering portion is provided with a second groove, and the membrane is disposed in the second groove.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: the application designs an earplug, including first casing, second casing and earplug body, first casing is fixed through ultrasonic bonding's connected mode with the second casing, the energy temperature that the connection position of first casing and second casing produced because of the ultrasonic wave risees and combines together promptly, thereby realize being connected of first casing and second casing, first casing and second casing have not only been guaranteed like this and can firmly be combined, production man-hour has still been shortened, the production efficiency is improved, the existence of excessive gluey problem has still been avoided simultaneously.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

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

Fig. 1 is a schematic view of an earplug according to an embodiment of the present application;

FIG. 2 is an exploded schematic view of the earplug of FIG. 1;

FIG. 3 is a schematic structural view of the first housing of FIG. 1;

FIG. 4 is a schematic structural view of the second housing of FIG. 1;

FIG. 5 is a cross-sectional schematic view of the earplug of FIG. 1;

FIG. 6 is an enlarged partial schematic view of FIG. 5 at A;

FIG. 7 is an enlarged partial schematic view of FIG. 5 at B;

FIG. 8 is a schematic structural view of the earplug body of FIG. 1;

fig. 9 is a cross-sectional schematic view of the earplug body of fig. 8.

Description of reference numerals:

1. a first housing 1; 11. an annular groove 11; 12. a first preset distance 12; 111. the first projection 111; 112. a positioning boss 112; 113. the bump blocks 113;

2. a second housing 2; 21. a connecting portion 21; 22. an ear insertion portion 22; 211. an annular boss 211; 212. a first groove 212; 221. a second groove 221; 222. the first bump structures 222; 223. the second bump structures 223; 2121. a first rib 2121; 2122. a positioning groove 2122; 2123. a second rib 2123; 2124. an open slot 2124;

3. an earplug body 3; 31. a membrane 31; 32. an earplug outer layer 32; 33. an earplug inner layer 33; 331. a ramp transition 331.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 7, the earplug provided by the present application includes a first shell 1, a second shell 2 and an earplug body 3, wherein the second shell 2 includes a connecting portion 21 and an ear insertion portion 22 connected to the connecting portion 21, wherein the connecting portion 21 is provided with an annular boss 211, the first shell 1 is provided with an annular groove 11, and the annular groove 11 is matched in shape to the annular boss 211, so that the first shell 1 can be connected to the connecting portion 21 by the matching of the annular boss 211 and the annular groove 11, and is fixed by an ultrasonic welding connection manner.

After adopting above technical scheme, first casing 1 passes through annular boss 211 and annular groove 11's cooperation and realizes being connected with connecting portion 21, then carries out welded fastening through the ultrasonic wave again. Wherein, ultrasonic bonding produces high-frequency vibration through the contact surface of ultrasonic wave between first casing 1 and connecting portion 21, the energy that high-frequency vibration produced makes the contact surface local heating up of first casing 1 and connecting portion 21, and then make the contact surface of first casing 1 and connecting portion 21 combine together, thereby realize the fixed connection of first casing 1 and connecting portion 21, can not only make first casing 1 and connecting portion 21 combine firmly like this, production man-hour has still been shortened, the production efficiency is improved, the existence of excessive gluey problem has still been avoided simultaneously.

In an alternative embodiment, the bottom of the annular groove 11 extends with a first projection 111, the first projection 111 abutting on an end face of the annular boss 211. Wherein, the cross section of the first protrusion 111 is triangular, the vertex angle thereof abuts against the annular boss 211, the ultrasonic wave acts on the contact surface of the first protrusion 111 and the annular boss 211, when the first shell 1 and the connecting part 21 are connected by using the ultrasonic wave, the contact surface of the first protrusion 111 and the annular boss 211 is integrated, so that the first shell 1 can be tightly fixed on the connecting part 21.

In an alternative embodiment, the bottom of the annular groove 11 has a first predetermined distance 12 from the end face of the annular boss 211. First protruding 111 can fill first preset distance 12 department with annular boss 211 when melting, and first preset distance 12 provides sufficient reaction position for when ultrasonic wave connects first casing 1 and connecting portion 21, overflows the product surface when can preventing first protruding 111 and annular boss 211 from melting, influences product appearance structure.

In an alternative embodiment, the annular boss 211 is provided with a first groove 212 at the middle portion thereof, the first groove 212 is provided with first ribs 2121 at both ends thereof, and the first groove 212 and the first ribs 2121 are connected to form a positioning groove 2122. The number of the first ribs 2121 is 4, and each two first ribs 2121 and two ends of the first groove 212 form a positioning groove 2122, and the positioning groove 2122 can define the installation position of the first housing 1.

In an alternative embodiment, a positioning protrusion 112 extends from the bottom of the annular groove 11, and the position of the positioning protrusion 112 corresponds to the position of the positioning slot 2122. Specifically, the positioning protrusion 112 is inserted into the positioning groove 2122, the first housing 1 can determine the installation position of the first housing on the connecting portion 21 through the cooperation between the positioning protrusion 112 and the positioning groove 2122, and the positioning protrusion 112 and the positioning groove 2122 can prevent the first housing 1 and the connecting portion 21 from rotating during the connection process.

In an alternative embodiment, the positioning projection 112 has a cross shape. The positioning protrusion 112 is shaped to be inserted into the positioning groove 2122 more easily, and the connection of the first housing 1 and the connecting portion 21 is completed better.

In an alternative embodiment, the top end of the positioning projection 112 is chamfered. The bottom of the positioning groove 2122 is curved, and the chamfer makes the shape of the positioning protrusion 112 fit the positioning groove 2122 more, so that the installation process is smoother.

In an alternative embodiment, the first groove 212 is further provided with a second rib 2123, the second rib 2123 is connected to two ends of the first groove 212 to form an open groove 2124, and the open groove 2124 is communicated with the ear insertion portion 22. Specifically, an opening is formed inside the annular boss 211, the opening is located at one end of the first groove 212, two second ribs 2123 are connected with the opening and the other end of the first groove 212 to form an open groove 2124, and the open groove 2124 further defines the mounting position of the first housing 1 on the connecting portion 21. The open grooves 2124 communicate with the ear inlet portion 22, so that the ear inlet portion 22 can communicate with the outside.

In an alternative embodiment, the annular groove 11 is further provided with a bump 113, and the position of the bump 113 corresponds to the position of the open groove 2124. The cross section of the protruding block 113 is triangular, the starting point of the longest side of the protruding block is located inside the first housing 1, the distance between the ending point and the annular boss 211 is a first preset distance, and the height of the protruding block is the sum of the annular boss 211 and the first preset distance. By the engagement of the protruding block 113 and the open groove 2124, an opening is formed between the first casing 1 and the connecting portion 21, and the opening serves as a sound inlet of the earplug and communicates with the outside, so that external sound can enter the earplug through the sound inlet.

In an alternative embodiment, the earplug body 3 comprises a membrane 31, the ear-in portion 22 is provided with a second recess 221, and the membrane 31 is arranged in the second recess 221. The membrane 31 is capable of attenuating sound entering the earplug from the outside through the sound inlet, and thus has a noise reduction effect.

In an optional implementation mode, the preferred silica gel of material of earplug body 3, the silica gel material is comparatively soft, can be adapted to different canals, brings great travelling comfort for the user, and because the earplug of silica gel material can laminate the canal for the earplug can form the environment sealed relatively with user's canal, has isolated external noise effectively.

In an alternative embodiment, the earplug body 3 is a double-layer structure, and includes an earplug outer layer 32 and an earplug inner layer 33, a front end of the earplug outer layer 32 is connected with a front end of the earplug inner layer 33, and the double-layer structure is configured to make the noise reduction effect of the earplug better.

In an alternative embodiment, both ends of the earplug body 3 are open, the front end of the earplug body is open and is a sound outlet, the sound processed by the membrane 31 is transmitted to the human ear through the sound outlet, and the rear end of the earplug body 3 is open and connected to the ear inlet 22. The earplug inner layer 33 is provided with an inclined transition 331, the outer wall of the ear insertion part 22 is provided with a first protruding structure 222 matched with the inclined transition of the earplug inner layer 33, and the earplug body 3 can be smoothly clamped on the ear insertion part 22 through the matching of the inclined transition 331 and the first protruding structure 222, so that the connection between the earplug body 3 and the ear insertion part 22 is completed.

In an alternative embodiment, the outer wall of the ear-in portion 22 is further provided with a second protruding structure 223, the thickness of the second protruding structure 223 is greater than the thickness of the inner layer 33 of the earplug, the second protruding structure 223 is located at the extreme position where the ear-in portion 22 is clamped into the earplug body 3, and when the position where the ear-in portion 22 is clamped into the earplug body 3 reaches the second protruding structure 223, the connection between the ear-in portion 22 and the earplug body 3 is completed.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of the specific examples are described above. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description of the present specification, reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "example", "specific example", or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An earplug, which is characterized by comprising a first shell, a second shell and an earplug body, wherein the second shell comprises a connecting part and an ear inlet part connected with the connecting part, the earplug body is arranged on the ear inlet part, and the first shell is arranged on the connecting part;

2. The earplug of claim 1, wherein the bottom of the annular groove extends with a first protrusion that abuts an end face of the annular boss.

3. The earplug of claim 2, wherein a bottom of the annular groove is a first predetermined distance from an end face of the annular boss.

4. The earplug according to claim 1, wherein a first groove is formed in the middle of the annular boss, first ribs are formed at two ends of the first groove, and the first groove and the first ribs are connected to form a positioning groove.

5. The earplug according to claim 4, wherein a positioning protrusion extends from the bottom of the annular groove, and the position of the positioning protrusion corresponds to the position of the positioning groove.

6. The earplug of claim 5 wherein the locating protrusion is cross-shaped.

7. The earplug of claim 6 wherein the top end of the locating projection is chamfered.

8. The earplug according to claim 4, wherein the first recess is further provided with a second rib, the second rib is connected with two ends of the first recess to form an open slot, and the open slot is communicated with the ear-entering part.

9. Earplug according to claim 8, wherein the annular groove is further provided with a protruding block, the position of which corresponds to the position of the open channel.

10. The earplug of claim 1, wherein the earplug body comprises a membrane, the ear-in portion being provided with a second recess, the membrane being disposed in the second recess.