CN219107614U

CN219107614U - Earplug connection structure and earphone

Info

Publication number: CN219107614U
Application number: CN202223141233.2U
Authority: CN
Inventors: 刘沃辉; 杨威
Original assignee: Shenzhen Goertek Technology Co ltd
Current assignee: Shenzhen Goertek Technology Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-30
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses an earplug connecting structure and an earphone, wherein the earplug connecting structure comprises an earplug head and an earplug, one end of the earplug, which is connected with the earplug head, forms a clamping cavity, and the inner wall of the clamping cavity is provided with a clamping groove; the earplug head is matched in the clamping cavity, and a clamping piece and an elastic piece which is abutted against the clamping piece are arranged on the contact surface of the earplug head matched with the earplug; the elastic piece is used for driving the clamping piece to extend out of the side surface of the earplug head and be clamped in the clamping groove so as to realize clamping connection of the earplug and the earplug head. The earplug connecting structure is stable and reliable, the clamping piece is driven by the elastic piece to automatically extend out of the side surface of the earplug head and be clamped in the clamping groove, so that the convenient, quick, stable and effective clamping connection between the earplug and the earplug head can be realized, and the defects of incomplete clamping and inaccurate positioning of the earplug can be avoided.

Description

Earplug connection structure and earphone

Technical Field

The utility model belongs to the technical field of earphones, and particularly relates to an earplug connecting structure and an earphone.

Background

The earphone is a device which receives an electric signal sent by a media player and converts the electric signal into sound waves which can be heard by a user by using a loudspeaker close to the ear. The traditional in-ear earphone has the advantages of good sound insulation effect and firm wearing. With the popularity of portable electronic devices, headphones are commonly used in mobile phones, walkman, radios, portable electronic games, digital audio players, and the like.

The earphone is usually provided with an earplug which is convenient for receiving a call or listening to music, the earphone shell is provided with a containing cavity, and the earplug is clamped into the containing cavity, so that the earplug is installed on the earphone shell. At present, the problem that the earplug is damaged and the earplug is lost is easily caused by the defects of inaccurate positioning and unstable connection of the earplug, which often occur in the connection process of the earplug.

Disclosure of Invention

The utility model provides an earplug connecting structure and an earphone, which can realize convenient, quick, stable and effective clamping connection between an earplug and an earplug head, and can avoid the defects of incomplete clamping and inaccurate positioning of the earplug.

In order to achieve the technical purpose, the utility model is realized by adopting the following technical scheme:

in one aspect, the utility model provides an earplug connecting structure, which comprises an earplug head and an earplug, wherein a clamping cavity is formed at one end of the earplug, which is connected with the earplug head, and a clamping groove is formed in the inner wall of the clamping cavity; the earplug head is matched in the clamping cavity, and a clamping piece and an elastic piece which is abutted against the clamping piece are arranged on the contact surface of the earplug head matched with the earplug; the elastic piece is used for driving the clamping piece to extend out of the side surface of the earplug head and be clamped in the clamping groove so as to realize clamping connection of the earplug and the earplug head.

Preferably, an inclined guide surface is arranged at the end part of the clamping piece, which is clamped with the clamping groove, and an inclined pushing surface parallel to the inclined guide surface is arranged in the clamping groove.

Preferably, the earplug head is provided with a fixing seat for installing the clamping piece, the side surface of the earplug head is provided with a through hole corresponding to the fixing seat, and one end of the clamping piece extends out of the side surface of the earplug head from the through hole. .

Preferably, a limiting plate is arranged at the other end of the clamping piece, and the diameter of the limiting plate is larger than that of the through hole so as to limit the clamping piece to be separated from the through hole.

Preferably, one end of the elastic piece is abutted against the inner wall of one side of the fixing seat far away from the through hole, and the other end of the elastic piece is abutted against the limiting plate.

Preferably, a limit groove is formed in the inner wall of one side, far away from the through hole, of the fixing seat, and a limit column is arranged on one side, facing away from the clamping piece, of the limit plate; the elastic piece is a spring, one end of the spring is clamped in the limiting groove, and the other end of the spring is sleeved on the limiting column.

Preferably, the number of the springs is two, and the number of the corresponding limit posts and the corresponding limit grooves is two.

Preferably, the earplug head is provided with a fixing cavity for installing the fixing seat, and an opening of the fixing cavity is the through hole; the fixed cavity is provided with avoidance grooves along two corresponding sides in the direction perpendicular to the axial direction of the through hole; the anti-collision device is characterized in that an inclined buckle is arranged in the avoidance groove, and a matching groove matched with the inclined buckle is formed in the fixing seat.

Preferably, the number of the clamping pieces is two, and the two clamping pieces are symmetrically arranged in the earplug head; the number of the corresponding clamping grooves is two, and the two clamping grooves are symmetrically arranged on the inner wall of the clamping cavity.

In another aspect, the utility model further provides an earphone, which comprises an acoustic assembly, an earphone upper shell, a loudspeaker and an earphone lower shell, wherein the earphone upper shell is buckled with the earphone lower shell, and the loudspeaker is arranged in a space formed by buckling the earphone upper shell and the earphone lower shell; the earphone also comprises an earplug connecting structure, wherein the earplug head is arranged on the upper shell of the earphone and is provided with a sound outlet hole.

Compared with the prior art, the utility model has the advantages and positive effects that: the utility model provides an earplug connecting structure and an earphone, wherein the earplug connecting structure comprises an earplug head and an earplug, a clamping cavity is formed at one end of the earplug, which is connected with the earplug head, and a clamping groove is formed in the inner wall of the clamping cavity; the earplug head is matched in the clamping cavity, and a clamping piece and an elastic piece which is abutted against the clamping piece are arranged on the contact surface of the earplug head matched with the earplug; the elastic piece is used for driving the clamping piece to extend out of the side surface of the earplug head and be clamped in the clamping groove so as to realize clamping connection of the earplug and the earplug head. The earplug connecting structure is stable and reliable, the clamping piece is driven by the elastic piece to automatically extend out of the side surface of the earplug head and be clamped in the clamping groove, so that the convenient, quick, stable and effective clamping connection between the earplug and the earplug head can be realized, and the defects of incomplete clamping and inaccurate positioning of the earplug can be avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of an earphone of the present utility model;

FIG. 2 is an exploded view of one embodiment of the headset of the present utility model;

FIG. 3 is a partially exploded view of one embodiment of the headset of the present utility model;

FIG. 4 is a schematic diagram of an embodiment of an earphone of the present utility model;

FIG. 5 is a schematic view of one embodiment of an earplug attachment structure of the utility model;

FIG. 6 is a schematic view of one embodiment of an earplug attachment structure of the utility model;

FIG. 7 is a schematic view of an embodiment of an earplug of the earplug attachment structure of the utility model;

FIG. 8 is a schematic view of an embodiment of an earplug of the earplug attachment structure of the utility model;

FIG. 9 is a partial schematic view of one embodiment of an earplug attachment structure of the utility model;

FIG. 10 is a partial schematic view of one embodiment of an earplug attachment structure of the utility model;

FIG. 11 is a partial schematic view of one embodiment of an earplug attachment structure of the utility model;

fig. 12 is a schematic view of an embodiment of an earplug attachment structure of the utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

As shown in fig. 5-12, the present embodiment provides an earplug connection structure, which includes an earplug 10 and an earplug head 20, wherein one end of the earplug 10 connected with the earplug head 20 forms a clamping cavity 11, and a clamping groove 12 is arranged on an inner wall of the clamping cavity 11; the earplug head 20 is matched in the clamping cavity 11, and a clamping piece 21 and an elastic piece 22 which is abutted against the clamping piece 21 are arranged on the contact surface of the earplug head 20 matched with the earplug 10; the elastic member 22 is used for driving the clamping member 21 to extend out of the side surface of the earplug head 20 and be clamped in the clamping groove 12, so as to realize clamping connection of the earplug 10 and the earplug head 20.

The earplug connection structure of this embodiment is firm reliable, stretches out the side surface of earplug head 20 and block in the block recess 12 automatically through elastic component 22 drive fastener 21, not only can realize convenient and fast between earplug 10 and the earplug head 20, and firm effectual block is connected, can avoid appearing earplug card 10 joint not in place, the inaccurate defect of location moreover.

When the earplug is connected, the earplug head 20 is pushed into the clamping cavity 11, the clamping piece 21 can slide towards the inside of the earplug head 20 under the reaction force of the earplug 10, and meanwhile, the elastic piece 22 is compressed, so that the clamping piece 21 can be prevented from obstructing the earplug head 20 to be matched into the clamping cavity 11; after the earplug head 20 is pushed into the clamping cavity 11, under the action of the stretching elasticity of the elastic piece 22, the clamping piece 21 can extend out of the side surface of the earplug head 20 and is clamped in the clamping groove 12, so that the earplug head 20 can be limited, and the earplug head 20 can be firmly and effectively clamped and connected in the clamping cavity 11.

In this embodiment, the earplug 10 is a single piece and may be integrally formed by a machining process. As shown in fig. 7 and 8, the earplug 10 includes an inner earplug sleeve 10a and an outer earplug sleeve 10b, the front end of the inner earplug sleeve 10a being connected to the front end of the outer earplug sleeve 10b, the rear end of the inner earplug sleeve 10a and the rear end of the outer earplug sleeve 10b being open ends.

The inner earplug sleeve 10a includes a front inner earplug sleeve 101a and a rear inner earplug sleeve 102a, the inner surface of the front inner earplug sleeve 101a protrudes from the inner surface of the rear inner earplug sleeve 102a, and the distance M between the inner surface of the front inner earplug sleeve 101a and the central axis of the earplug 10 is smaller than the distance N between the rear inner earplug sleeve 102a and the central axis of the earplug 10. The cavity surrounded by the rear earplug inner sleeve 102a is the clamping cavity 11, and the clamping groove 12 is arranged on the inner wall of the rear earplug inner sleeve 102 a.

When the earplug head 20 is clamped in the clamping cavity 11, the protruding earplug inner sleeve 101a can play a limiting role on the earplug head 20, so that the earplug head 20 is prevented from being separated from the clamping cavity 11, the earplug head 20 can be stably and effectively clamped in the clamping cavity 11, and therefore stable and effective clamping connection between the earplug head 20 and the earplug 10 can be achieved.

The inner side of the open end of the rear earplug inner sleeve 102a is circumferentially provided with a rounded corner structure 13, which can be smoothly clamped with the earplug head 20 into the clamping cavity 11.

The end of the engaging member 21 engaged with the engaging groove 12 is provided with an inclined guide surface 23, and the engaging groove 12 is provided with an inclined pushing surface 14 parallel to the inclined guide surface 23. The inclined guide surface 23 is abutted against the inclined pushing surface 14, the inclined pushing surface 14 can be abutted against the inclined guide surface 23, the sliding of the clamping piece 21 can be guided and pushed, the clamping piece 21 can smoothly slide into the earplug head 20, and the blocking piece 21 can be effectively prevented from blocking the earplug head 20 to enter the clamping cavity 11.

In this embodiment, the inclination angle of the inclined guide surface 23 and the inclined pushing surface 14 may be 60 °, and the sliding of the engaging member 21 may be optimally guided and pushed by the 60 ° inclination angle.

The earplug head 20 is provided with a fixing seat 24 for installing the clamping piece 21, an opening 25 is arranged on the fixing seat 24, a through hole 26 corresponding to the opening 25 is arranged on the side wall of the earplug head 20, and one end of the clamping piece 21 extends out of the side surface of the earplug head 20 from the through hole 26.

The other end of the clamping piece 21 is provided with a limiting plate 27, and the diameter of the limiting plate 27 is larger than that of the through hole 26 to limit the clamping piece 21 to be separated from the through hole 26, so that the clamping piece 21 can be prevented from being separated from the earplug head 20, and the clamping piece 21 is ensured to play a stable and effective limiting role on the earplug head 20.

One end of the elastic member 22 abuts against the inner wall of one side of the fixing seat 21 away from the through hole 26, and the other end abuts against the limiting plate 27.

Specifically, a limit groove 28 is arranged in the fixed seat 24, and a protruding limit post 29 is arranged on the limit plate 27; the elastic piece 22 can be a spring, one end of the spring is matched in the limit groove 28, and the other end of the spring is sleeved on the limit post 29; therefore, the spring can be limited, one end of the spring can be enabled to be stably and effectively abutted against the fixed seat 24, the other end of the spring can be enabled to be stably and effectively abutted against the limiting plate 27, the axial direction of the spring can be guaranteed to be parallel to the movement direction of the clamping piece 21, and the spring can be stably and effectively pushed to the clamping piece 21.

Further, the number of the springs may be two, the two springs are arranged in parallel at intervals, and the number of the corresponding limit grooves 28 and limit posts 29 is two. Thereby, the stable and effective pushing action on the clamping piece 21 can be ensured, and the clamping piece 21 can be ensured to realize stable sliding.

In this embodiment, the number of the engaging members 21 is two, and the two engaging members 21 are symmetrically disposed in the earplug head 20. The number of the corresponding clamping grooves 12 is two, and the two clamping grooves 12 are symmetrically arranged on the inner wall of the clamping cavity 11. Therefore, the earplug head 20 is uniformly stressed, so that the earplug head 20 is ensured to have a stable and effective clamping and limiting effect, and stable and effective clamping connection between the earplug 10 and the earplug head 20 is realized. In addition, the earplug 10 can be positioned and guided, so that the earplug 10 and the earplug head 20 can be accurately connected in a clamping way, and the defects of inaccurate positioning and incomplete clamping of the earplug 10 are avoided.

As shown in fig. 11, the earplug head 20 has a symmetrical structure, two symmetrical fixing cavities 31 are provided in the earplug head 20, two fixing seats 24 are respectively installed in the two fixing cavities 31, and a through hole 26 on a sidewall of the earplug head 20 is an opening of the fixing cavity 31.

The fixing cavity 31 is provided with avoiding grooves 32 along two corresponding sides in the direction perpendicular to the axial direction of the through hole 26, inclined buckles 33 are arranged in the avoiding grooves 32, and two sides of the fixing seat 24 are provided with matching grooves 34 matched with the inclined buckles 33.

When the fixing base 24 is installed, a user can hold the fixing base 24 by hand or hold the fixing base 24 by a mechanical hand, and then place and clamp the fixing base 24 into the fixing cavity 31. The avoidance grooves 32 on the two sides of the fixed cavity 31 can avoid the hands of a user or the mechanical arm, so that the operation is more convenient. The inclined buckles 33 at the two sides of the fixed cavity 31 can play a role in guiding the clamping process of the fixed seat 24, so that the fixed seat 24 can be clamped into the fixed cavity 31 more smoothly and effectively, and the fixed seat 24 can be conveniently installed; in addition, when the fixing seat 24 is completely placed in the fixing cavity 31, the inclined buckle 33 can be just matched with the matching groove 34 of the fixing seat 24, so that a limiting and clamping effect can be achieved on the fixing seat 24, the fixing seat 24 can be stably and effectively clamped in the fixing cavity 31, and the fixing seat 24 is prevented from being separated from the plug head 20.

As shown in fig. 1-4, the present utility model further provides an earphone, where the earphone includes an earphone upper case 30, an earphone lower case 40, a speaker 50, an acoustic assembly 60, and an ear hook 70, where the earphone upper case 30 is fastened to the earphone lower case 40, the speaker 50 is disposed in a space surrounded by the earphone upper case 30 and the earphone lower case 40, and the ear hook 70 is sleeved outside the earphone upper case 30 and the earphone lower case 40.

The earphone of the present utility model further includes the earplug attachment structure of the present utility model, wherein the earplug head 20 is disposed on the earphone upper shell 30, and the earplug head 20 and the earphone upper shell 30 may be integrally formed by a processing technology or may be fixed by other means, which is not particularly limited herein.

The inside of the ear plug 20 is provided with a mounting cavity 35 for mounting the acoustic assembly 60, and a sound outlet hole 36 communicated with the earphone upper case 30, the sound outlet hole 36 being communicated with the mounting cavity 35. Sound may be transmitted through the horn 50, through the sound outlet aperture 36, and into the user's ear through the acoustic assembly 60.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. An earplug connection structure, includes earplug head and earplug, its characterized in that:

one end of the earplug, which is connected with the earplug head, forms a clamping cavity, and the inner wall of the clamping cavity is provided with a clamping groove;

the earplug head is matched in the clamping cavity, and a clamping piece and an elastic piece which is abutted against the clamping piece are arranged on the contact surface of the earplug head matched with the earplug;

the elastic piece is used for driving the clamping piece to extend out of the side surface of the earplug head and be clamped in the clamping groove so as to realize clamping connection of the earplug and the earplug head.

2. The earplug attachment structure of claim 1 wherein,

the end part of the clamping piece, which is clamped with the clamping groove, is provided with an inclined guide surface, and an inclined pushing surface parallel to the inclined guide surface is arranged in the clamping groove.

3. The earplug attachment structure of claim 1 wherein,

the earplug head is provided with a fixing seat for mounting the clamping piece, the side surface of the earplug head is provided with a through hole corresponding to the fixing seat, and one end of the clamping piece extends out of the side surface of the earplug head from the through hole.

4. The earplug attachment structure of claim 3 wherein,

the other end of the clamping piece is provided with a limiting plate, and the diameter of the limiting plate is larger than that of the through hole so as to limit the clamping piece to be separated from the through hole.

5. The earplug attachment structure of claim 4 wherein,

one end of the elastic piece is abutted against the inner wall of one side of the fixing seat far away from the through hole, and the other end of the elastic piece is abutted against the limiting plate.

6. The earplug attachment structure of claim 5 wherein,

a limiting groove is formed in the inner wall of one side, far away from the through hole, of the fixing seat, and a limiting column is arranged on one side, back to the clamping piece, of the limiting plate;

the elastic piece is a spring, one end of the spring is clamped in the limiting groove, and the other end of the spring is sleeved on the limiting column.

7. The earplug attachment structure of claim 6 wherein,

the number of the springs is two, and the number of the corresponding limiting columns and the corresponding limiting grooves is two.

8. The earplug attachment structure of claim 3 wherein,

the earplug head is provided with a fixing cavity for installing the fixing seat, and an opening of the fixing cavity is the through hole;

the fixed cavity is provided with avoidance grooves along two sides corresponding to the direction perpendicular to the axial direction of the through hole respectively; the anti-collision device is characterized in that an inclined buckle is arranged in the avoidance groove, and a matching groove matched with the inclined buckle is formed in the fixing seat.

9. The earplug attachment structure of claim 1 wherein,

the number of the clamping pieces is two, and the two clamping pieces are symmetrically arranged in the earplug head;

the number of the corresponding clamping grooves is two, and the two clamping grooves are symmetrically arranged on the inner wall of the clamping cavity.

10. The earphone comprises an acoustic assembly, an earphone upper shell, a loudspeaker and an earphone lower shell, wherein the earphone upper shell is buckled with the earphone lower shell, and the loudspeaker is arranged in a space formed by buckling the earphone upper shell and the earphone lower shell; the earplug connection structure of any one of claims 1-9, wherein the earplug head is disposed on the earphone upper shell, and the earplug head is provided with a sound outlet.