CN220023030U

CN220023030U - Earphone

Info

Publication number: CN220023030U
Application number: CN202321416979.1U
Authority: CN
Inventors: 汪刘涛; 梁鹏; 周智勇; 刘益博
Original assignee: Wuxi Ruiqin Technology Co Ltd
Current assignee: Wuxi Ruiqin Technology Co Ltd
Priority date: 2023-06-06
Filing date: 2023-06-06
Publication date: 2023-11-14
Anticipated expiration: 2033-06-06

Abstract

The utility model relates to the technical field of electronic equipment, and discloses an earphone, which comprises: the device comprises a shell, a flexible supporting part, a trigger switch and a key; the shell encloses an accommodating space and is provided with an operation through hole penetrating through the outer wall surface and the inner wall surface of the shell, and the flexible supporting part and the shell fixedly and hermetically cover the operation through hole so as to meet the requirements of dust prevention and sealing; the trigger switch is positioned in the accommodating space, the key is positioned on the outer wall surface, the surface facing the shell is provided with a pressing protrusion, and the free end of the pressing protrusion is abutted to the trigger switch through the flexible supporting part; because the flexible material of flexible supporting part, when pressing the button, flexible supporting part can be pressed the protruding drive to make flexible supporting part extrusion trigger switch, after unclamping the button, also can drive flexible supporting part and button reset when trigger switch resets. The flexible supporting part plays a role in conducting the pressing force of the key, so that the trigger switch is controlled, and the key is located in the outer space of the whole shell, so that the key is conveniently assembled from the outside.

Description

Earphone

Technical Field

The utility model relates to the technical field of electronic equipment, in particular to an earphone.

Background

In recent years, as bluetooth headsets have become more popular, users have also become more demanding with respect to bluetooth headsets, both in terms of performance and appearance. During the use of the earphone, the start/pause of playing songs or Bluetooth pairing is required to be operated by utilizing the touch module, keys and the like.

At present, when the keys of the earphone are installed, the decoration parts are required to be detached, and the keys are outwards installed from the inner side of the shell, so that a large space is required; in addition, in some technical schemes, the bracket limit button skirt is required to be detached more, and the operation cost is high. In addition, the keys are installed from inside to outside, and only keys with smaller exposed parts can be installed.

Disclosure of Invention

The utility model discloses an earphone which is used for assembling keys from the outside.

In order to solve the problems, the utility model provides the following technical scheme:

an earphone, comprising: the device comprises a shell, a flexible supporting part, a trigger switch and a key; the shell encloses an accommodating space and is provided with an operation through hole penetrating through the outer wall surface and the inner wall surface of the shell, and the flexible supporting part and the shell are fixedly and hermetically covered on the operation through hole so as to meet the requirements of dust prevention and sealing; the trigger switch is positioned in the accommodating space, the key is positioned on the outer wall surface, a pressing protrusion is arranged on the surface facing the shell, and the free end of the pressing protrusion is abutted to the trigger switch through the flexible supporting part; because the flexible material of flexible supporting part, when pressing the button, flexible supporting part can be pressed the protruding drive to make flexible supporting part extrusion trigger switch, in order to reach relevant control function, after unclamping the button, trigger switch also can drive flexible supporting part and button reset when resetting. Above, play the conduction effect to the pressing force of button through flexible supporting part, and then control trigger switch, the button is located the outer space of whole casing, is convenient for assemble the button from the outside. The structure such as decoration and the spacing button shirt rim of support need not additionally to pull down, and button from external mounting, its size is not limited by the size of operation through-hole, can set up the button of great size according to requirements such as outward appearance.

Optionally, the flexible supporting part is provided with a concave part which is concave in the operation through hole, and the pressing protrusion is abutted against the bottom surface of the concave part.

Optionally, the recess includes a horizontal bottom wall and an annular surrounding wall extending along an edge of the horizontal bottom wall, and an inner diameter of the annular surrounding wall gradually increases in a direction away from the horizontal bottom wall; the free ends of the pressing protrusions and the trigger switch are arranged on two sides of the horizontal bottom wall respectively and are in contact with the horizontal bottom wall.

Optionally, an adhesive fills the bottom surface of the recess, and the adhesive fixes the pressing protrusion and the recess.

Optionally, the flexible supporting part further comprises a fixing part which is combined with the outer wall surface of the shell in an injection molding mode, and the fixing part is arranged around the concave part and connected with the edge of the concave part.

Optionally, foam glue is arranged between the edge of the key and the outer wall surface of the shell.

Optionally, one end of the shell is provided with a sound outlet, the other end of the shell is provided with a plane supporting area positioned on the outer wall surface, and the operation through hole is positioned in the middle of the plane supporting area; the keys are of sheet-shaped structures and cover the plane supporting area.

Optionally, a settling tank is formed at one end of the shell far away from the sound outlet, and the bottom surface of the settling tank forms the plane supporting area; the key is adapted to the interior of the settling tank.

Optionally, the shell is provided with a glue containing groove with an opening positioned on the outer wall surface, the glue containing groove is filled with glue, and the flexible supporting part covers the opening of the glue containing groove; the surface of the key, which faces the outer wall surface, is provided with positioning columns corresponding to the glue containing grooves one by one, the flexible supporting parts are provided with positioning holes corresponding to the positioning columns one by one, each positioning column penetrates through the corresponding positioning hole, and the free ends of the positioning columns are positioned in the corresponding glue containing grooves and immersed in the glue.

Optionally, the number of the positioning posts is multiple, and the positioning posts are uniformly and alternately distributed around the pressing protrusion.

Drawings

Fig. 1 is a top view of an earphone according to an embodiment of the present utility model;

fig. 2 is a longitudinal cross-sectional view of the headset of fig. 1;

fig. 3 is a top view of another earphone according to an embodiment of the present utility model;

fig. 4 is a longitudinal cross-sectional view of the headset of fig. 3.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In connection with fig. 1 to 4:

the earphone provided by the embodiment of the utility model comprises: a housing 1, a flexible support 3, a trigger switch 4 and a key 51; the shell 1 encloses an accommodating space K and is provided with an operation through hole P penetrating through the outer wall surface and the inner wall surface of the shell 1 so as to meet the requirements of dust prevention and sealing, and the flexible supporting part 3 and the shell 1 fixedly and hermetically cover the operation through hole P; the trigger switch 4 is located in the accommodating space K, specifically can install on the circuit board 2 in the accommodating space K, and the circuit board 2 is fixed with the casing 1, and the button 51 is located above-mentioned outer wall surface of casing 1, and the button 51 is equipped with the protruding 52 of pressing towards the surface of casing 1, presses the free end of protruding 52 and passes through flexible supporting part 3 butt in trigger switch 4.

Because the flexible material of the flexible supporting part 3, when the key 51 is pressed, the flexible supporting part 3 is driven by the pressing protrusion 52, and the flexible supporting part 3 extrudes the trigger switch 4 to achieve the relevant control function, and after the key 51 is released, the trigger switch 4 can also drive the flexible supporting part 3 and the key 51 to reset when reset. The ductility of the soft rubber of the flexible supporting part 3 is fully utilized, so that the flexible supporting part can be fully expanded or contracted along with the key 51. In the above, the flexible support portion 3 plays a role in conducting the pressing force of the key 51, so as to control the trigger switch 4, and the key 51 is located in the external space of the whole housing 1, so that the key 51 can be assembled from the outside. The structures such as the decoration and the skirt of the bracket limiting key 51 are not required to be additionally detached, the key 51 is installed from the outside, the size of the key is not limited by the size of the operation through hole, and the key 51 with a larger size can be arranged according to the requirements of appearance and the like. The key 51 may be assembled using a jig.

In a specific embodiment, the flexible support portion 3 has a concave portion 32 recessed in the operation through hole P, and the pressing projection 52 abuts against the bottom surface of the concave portion 32. The depression 32 plays a role in positioning the pressing projection 52, while the depression 32 sinks the contact surface into the accommodation space K so as to be able to contact with the pressing projection 52. In addition, by adjusting the depression depth and the wall thickness of the depression 32, the arm length can be adjusted, and the pressing feeling of the key 51 can be adjusted.

In a specific embodiment, the recess 32 includes a horizontal bottom wall 322 and an annular surrounding wall 321 extending along an edge of the horizontal bottom wall 322, and the horizontal bottom wall 322 may be circular in particular, so long as it is matched with the shape of the pressing protrusion, and the inner diameter of the annular surrounding wall 321 becomes gradually larger in a direction away from the horizontal bottom wall 322, so that the annular surrounding wall 321 is inclined outward in a radial direction of the horizontal bottom wall 322; the free end of the pressing projection 52 and the trigger switch 4 are separated on both sides of the horizontal bottom wall 322, and are both in contact with the horizontal bottom wall 322. The above-mentioned shape of the annular surrounding wall 321 is convenient for guiding the pressing protrusion 52, so that the free end of the pressing protrusion 52 is guided to the position with the smallest inner diameter of the annular surrounding wall 321, namely, the position of the horizontal bottom wall 322, so that the pressing protrusion 52 and the trigger switch 4 can be accurately aligned. The inclined annular surrounding wall 321 can provide softer pressing feeling for pressing the key 51, and the pressing feeling of the key 51 can be adjusted by adjusting the length of the annular surrounding wall 321 in the inclined direction.

In a specific embodiment, the flexible support portion 3 further includes a fixing portion 31 injection-molded to the outer wall surface of the housing 1, and the fixing portion 31 is disposed around the recess portion 32 and connected to an edge of the recess portion 32 to serve to fix the entire flexible support portion 3. The shell 1 can be formed by injection molding with harder glue by using a double-shot injection molding process (or a double-shot injection molding process), specifically can be formed in a rear shell part of the shell 1 by using soft glue for injection molding, the flexible supporting part 3 is formed by using soft glue for injection molding, the fixing part 31 is positioned on the outer wall surface of the shell 1, specifically can be positioned in a concave structure of the outer wall surface so as to increase the bonding strength with the shell 1, specifically can be formed into a plurality of fixing columns 11 by injection molding the shell 1, the fixing part 31 wraps the fixing columns 11 during injection molding so as to further increase the bonding strength, and the fixing part 31 can fill the concave structure of the outer wall surface of the shell 1. The pressing feeling of the key 51 can be adjusted by adjusting the hardness of the soft rubber at the time of soft rubber injection molding.

Referring to fig. 1 and 2, in a specific embodiment, the bottom surface of the recess 32 is filled with an adhesive 7 (may be glue), the adhesive 7 fixes the pressing protrusion 52 and the recess 32, and when the key 51 is pressed and reset, the adhesive 7 can play a role in buffering between the pressing protrusion 52 and the recess 32, and can play a role in connection and prevent the key 51 from falling off.

Referring to fig. 1 and 2, in a specific embodiment, a foam rubber 61 is disposed between an edge of the key 51 and an outer wall surface of the housing 1, where the foam rubber 61 can play a role in fixing the key 51, and can play a role in elastically buffering the key 51. The number of the foam adhesives 61 may be plural, and the plural foam adhesives 61 are distributed uniformly and at intervals along the edge of the key 51, or a continuous strip of foam adhesives 61 may be used to set along the edge of the key 51, so that the pressing feeling of the key 51 can be adjusted by adjusting the area, the number or the material density of the foam adhesives 61. The foam gel 61 also facilitates the rebound of the keys 51. The earphone shown in fig. 1 and 2 is suitable for earphone with smaller size, and the key 51 is fixed by the adhesive 7 and the foam 61, so that a larger area is not required.

Referring to fig. 2 and 4, in a specific embodiment, one end of the housing 1 has a sound outlet, and the other end is formed with a planar support area S1 located on an outer wall surface, the planar support area S1 is disposed at a rear shell portion in the housing 1, and the operation through hole P is located in a middle portion of the planar support area S1, so that the key 51 can be fixed at a peripheral position of the operation through hole P, which is advantageous for balancing; the key 51 is of a sheet-shaped structure and covers the plane supporting area S1, the key 51 can cover almost the whole end face of the end part of the rear shell part, the operation area of a user on the key 51 is conveniently increased, the operation comfort level is improved, the key 51 is conveniently and timely positioned, meanwhile, the appearance industrial design is facilitated, the effect that the whole surface is the key 51 is achieved, and good universality is achieved.

Referring to fig. 2 and 4, in a specific embodiment, a settling tank U is formed at an end of the housing 1 remote from the sound outlet, and a planar support area S1 is formed at a bottom surface of the settling tank U; the key 51 is adapted to the interior of the settling tank U to prevent lateral displacement of the key 51 during repeated pressing, and to facilitate aesthetic appearance.

Referring to fig. 3 and 4, in a specific embodiment, the housing 1 has a glue groove T with an opening at an outer wall surface, the glue groove T is filled with glue 8, and the flexible support 3 covers the opening of the glue groove T; the surface of the key 51 facing the outer wall surface is provided with positioning columns 53 corresponding to the glue containing grooves T one by one, the flexible supporting part 3 is provided with positioning holes G corresponding to the positioning columns 53 one by one, each positioning column 53 penetrates through the corresponding positioning hole G, and the free end of each positioning column 53 is positioned in the corresponding glue containing groove T and immersed in glue 8. The positioning hole G plays a role in positioning and guiding the positioning column 5, prevents the key 51 from shifting, and ensures precision and reliability. On the one hand, the glue 8 can play a role in bonding and fixing the positioning column 53, and meanwhile has an elastic buffer function, so that the key 51 has better pressing hand feeling.

In a specific embodiment, the number of the positioning posts 53 is plural, the positioning posts 53 are uniformly and alternately distributed around the pressing protrusion 52, and specifically, the positioning posts 53 may be disposed around the fixing portion 31 at the extending portions 33 corresponding to each other one by one, and the extending portions 33 are three in an exemplary manner, so that the key 51 has better balance during the reciprocating movement.

The earphone shown in fig. 3 and fig. 4, the plurality of positioning posts 53 are respectively combined with the corresponding glue 8, so that the combination area is larger, the combination is more stable, the larger area is occupied, and the earphone is suitable for the earphone with larger size.

The earphone may further comprise an antenna, which may be realized in the form of an FPC or LDS without a detachable antenna support. When the FPC antenna is adopted, the antenna can be arranged in the accommodating space K, and when the LDS antenna is adopted, the LDS antenna can be arranged on the plane supporting area S1.

It will be apparent to those skilled in the art that various modifications and variations can be made to the embodiments of the present utility model without departing from the spirit and scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An earphone, comprising: the device comprises a shell (1), a flexible supporting part (3), a trigger switch (4) and a key (51);

the housing (1) encloses an accommodating space (K) and is provided with an operation through hole (P) penetrating through the outer wall surface and the inner wall surface of the housing (1), and the flexible supporting part (3) is fixedly and hermetically covered with the housing (1);

the trigger switch (4) is located in the accommodating space (K), the key (51) is located on the outer wall surface, a pressing protrusion (52) is arranged on the surface, facing the shell (1), of the key, and the free end of the pressing protrusion (52) is abutted to the trigger switch (4) through the flexible supporting portion (3).

2. Earphone according to claim 1, characterized in that the flexible support (3) has a recess (32) recessed in the operating through hole (P), the pressing projection (52) abutting against the bottom surface of the recess (32).

3. The earphone according to claim 2, wherein the recess (32) comprises a horizontal bottom wall (322) and an annular surrounding wall (321) extending along an edge of the horizontal bottom wall (322), the annular surrounding wall (321) having an inner diameter that gradually increases in a direction away from the horizontal bottom wall (322);

the free end of the pressing projection (52) and the trigger switch (4) are arranged on both sides of the horizontal bottom wall (322) and are both in contact with the horizontal bottom wall (322).

4. Earphone according to claim 2, characterized in that the bottom surface of the recess (32) is filled with an adhesive (7), which adhesive (7) secures the pressing protrusion (52) with the recess (32).

5. The earphone according to claim 2, wherein the flexible support portion (3) further comprises a fixing portion (31) injection-molded to the outer wall surface of the housing (1), the fixing portion (31) being disposed around the recess portion (32) and connected to an edge of the recess portion (32).

6. Earphone according to any of claims 1 to 5, characterized in that a foam glue (61) is provided between the edge of the key (51) and the outer wall surface of the housing (1).

7. Earphone according to claim 1, characterized in that one end of the housing (1) has an acoustic hole and the other end is formed with a planar support area (S1) located on the outer wall surface, the operation through hole (P) being located in the middle of the planar support area (S1);

the key (51) is of a sheet-shaped structure and covers the plane supporting area (S1).

8. Earphone according to claim 7, characterized in that the end of the housing (1) remote from the sound outlet is formed with a sedimentation tank (U), the bottom surface of which sedimentation tank (U) forms the planar support zone (S1);

the key (51) fits into the settling tank (U).

9. Earphone according to claim 1, characterized in that the housing (1) has a glue-receiving groove (T) with an opening at the outer wall surface, the glue-receiving groove (T) being filled with glue (8), the flexible support (3) covering the opening of the glue-receiving groove (T);

the surface of button (51) orientation outer wall surface be equipped with hold gluey groove (T) one-to-one reference column (53), flexible supporting part (3) have with reference column (53) one-to-one locating hole (G), every reference column (53) run through corresponding locating hole (G), just the free end of reference column (53) is located in the gluey groove (T) that holds that corresponds, and soak in glue (8).

10. The earphone according to claim 9, wherein the number of the positioning posts (53) is plural, and the plurality of the positioning posts (53) are uniformly and intermittently distributed around the pressing protrusion (52).