CN114157953A

CN114157953A - Pronunciation device of flat earphone

Info

Publication number: CN114157953A
Application number: CN202111430609.9A
Authority: CN
Inventors: 边仿
Original assignee: Head Direct Kunshan Co ltd
Current assignee: Head Direct Kunshan Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-03-08
Anticipated expiration: 2041-11-29
Also published as: CN114157953B

Abstract

The invention discloses a sound production device of a flat-panel earphone, which relates to the technical field of flat-panel earphones and comprises an earphone body, wherein an earphone shell is arranged on the earphone body and comprises an outer shell and an inner shell, a containing groove is formed in one side of the inner shell, a loudspeaker is arranged in the containing groove, a fixing piece is arranged on the containing groove, and a fixing hole matched with the fixing piece is formed in the loudspeaker. The loudspeaker fixing device has the advantages that the loudspeaker can be quickly installed and disassembled through the arranged fixing piece, an external tool is not needed, time and labor are saved, the working efficiency is effectively improved, and the loudspeaker fixing device is convenient to maintain and replace.

Description

Pronunciation device of flat earphone

Technical Field

The invention relates to the technical field of flat earphones, in particular to a sound production device of a flat earphone.

Background

The earphone is a pair of conversion units which receive the electric signals from the media player or receiver and convert them into audible sound waves by using a speaker near the ear. Headphones can be classified into three categories by the way they are transduced: moving coil earphones, moving iron earphones and static earphones. The speaker is the main sound producing device of the earphone.

However, in the prior art, the sound generating device of the flat-panel earphone is usually fixed on the casing by bolts, and the installation and the disassembly need to be carried out by means of an external tool, which is troublesome and labor-consuming, has lower working efficiency, and brings inconvenience to the replacement and the maintenance of the sound generating device. Accordingly, a sound generating apparatus for a flat-panel earphone is provided to solve the above problems in the related art.

Disclosure of Invention

The invention aims to provide a sound producing device of a flat-panel earphone, which aims to solve the defects in the prior art.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a pronunciation device of panel earphone, includes the earphone body, be provided with the earphone shell on the earphone body, the earphone shell includes shell body and interior casing, one side of interior casing is provided with the holding tank, be provided with the speaker in the holding tank, and be provided with the mounting on the holding tank, seted up on the speaker with the fixed orifices of mounting looks adaptation.

Preferably, the mounting is including the fixed pin that runs through the holding tank setting, the one end of fixed pin is provided with the fender ring, and the outside cover of fixed pin is equipped with first elastic component.

Preferably, a circuit board is arranged in the outer shell, the circuit board is arranged on the positioning column, and a through hole matched with the positioning column is formed in the circuit board; one side of the inner shell body close to the outer shell body is provided with a limiting column, and a sliding groove matched with the limiting column is formed in the circuit board.

Preferably, the limiting column comprises a limiting block arranged on the inner shell, and a limiting rod is arranged at the tail end of the limiting block.

Preferably, the positioning column and the limiting column have the same structure.

Preferably, the outer shell is provided with a clamping groove, one side of the clamping groove is provided with a limiting groove, and the limiting groove is provided with a limiting part; the edge of the inner shell is provided with a clamping block matched with the clamping groove and the limiting groove.

Preferably, the limiting part comprises a groove formed in the limiting groove, a second elastic part is arranged in the groove, and a stop block is arranged at the tail end of the second elastic part.

Preferably, the fixture block is provided with a cutting part matched with the fixture block.

Preferably, the accommodating groove is provided with a through hole.

Preferably, the circuit board is clamped in a gap between the positioning column and the limiting column.

Preferably, the first elastic member is a spring.

Preferably, the second elastic member is a spring.

Preferably, the number of the fixing members is at least two.

Preferably, at least two clamping grooves are formed.

Preferably, the speaker is electrically connected to the circuit board through a wire.

In the above technical solution, the sound generating device of a flat-panel earphone provided by the present invention has the following beneficial effects:

1. according to the loudspeaker, the loudspeaker can be rapidly installed and detached through the arranged fixing piece, an external tool is not needed, time and labor are saved, the working efficiency is effectively improved, convenience is brought to maintenance and replacement of the loudspeaker, and the loudspeaker is simple in design structure, convenient to operate, low in cost and suitable for large-scale mass production.

2. The positioning column and the limiting column are arranged, so that the circuit board can be quickly mounted and dismounted, and can be firmly fixed, and a certain protection effect can be generated on the circuit board.

3. According to the loudspeaker, the inner shell can be rapidly installed and detached through the clamping groove and the limiting piece arranged by matching the clamping block, so that the loudspeaker is further conveniently installed or detached, convenience is provided for operators, and the working efficiency is effectively improved.

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 disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a sound generating device of a flat-panel earphone according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a middle ear housing of a sound generating device of a flat-panel earphone according to an embodiment of the present invention;

fig. 3 is a side view of an inner case of a sound-generating device of a flat-panel earphone according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view illustrating an inner housing of a sound generating device of a flat-panel earphone according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of a sounding device a of a flat-panel earphone according to an embodiment of the present invention;

fig. 6 is a schematic view of an installation structure of an inner housing and an outer housing in a sound generating device of a flat-panel earphone according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a sound generating device of a flat-panel earphone according to an embodiment of the present invention after an inner housing is installed;

fig. 8 is a partially enlarged view of a sound generating device B of a flat-panel earphone according to an embodiment of the present invention.

Description of reference numerals:

1. an earphone body; 2. an earphone shell; 3. an outer housing; 4. an inner housing; 5. accommodating grooves; 6. a speaker; 61. a fixing hole; 7. a fixing member; 71. a fixing pin; 72. a baffle ring; 73. a first elastic member; 8. a circuit board; 9. a positioning column; 10. a limiting column; 11. a card slot; 12. a limiting groove; 13. a limiting member; 14. a clamping block; 141. a cutting portion; 15. a groove; 16. a second elastic member; 17. and a stop block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-8, a sound generating device for a flat-panel earphone comprises an earphone body 1, an earphone shell 2 is arranged on the earphone body 1, the earphone shell 2 comprises an outer shell 3 and an inner shell 4, the inner shell 4 is fixed on the outer shell 3, one side of the inner shell 4 is provided with a holding tank 5, a speaker 6 is arranged in the holding tank 5, a fixing part 7 is arranged on the holding tank 5, a fixing hole 61 matched with the fixing part 7 is arranged on the speaker 6, the speaker 6 is arranged on the holding tank 5 through the fixing part 7, and a through hole is arranged on the holding tank 5 for transmitting sound, the invention can realize the rapid installation and disassembly of the speaker 6 through the arranged fixing part 7, does not need to use an external tool, saves time and labor, effectively improves the working efficiency, provides convenience for the maintenance and replacement of the speaker 6, and has simple design structure and convenient operation, the cost is lower, is fit for the scale volume production, has solved among the prior art pronunciation device of dull and stereotyped earphone and has adopted the bolt fastening on the casing, and the installation is dismantled and need be with the help of external instrument, and takes trouble hard, and work efficiency is lower, for the change and the maintenance of pronunciation device inconvenient problem.

Specifically, in this embodiment, install speaker 6 in holding tank 5 earlier, fix speaker 6 through mounting 7, then install interior casing 4 on shell body 3 can again.

In another embodiment of the present invention, the fixing element 7 includes a fixing pin 71 penetrating through the receiving slot 5, one end of the fixing pin 71 is provided with a retaining ring 72, and the outer side of the fixing pin 71 is sleeved with a first elastic element 73, the first elastic element 73 is a spring, and the elastic force thereof drives the fixing pin 71 to penetrate through the receiving slot 5 and insert into the fixing hole 61, so as to fix the speaker 6.

Specifically, in this embodiment, when the speaker 6 needs to be fixed, the retaining ring 72 is pulled first to drive the fixing pin 71 to move toward the accommodating groove 5 and enter the accommodating groove 5, at this time, the first elastic member 73 is in a compressed state, then the speaker 6 is loaded into the accommodating groove 5, so that the fixing hole 61 is aligned with the position of the fixing pin 71, and then the retaining ring 72 is loosened, at this time, the elastic acting force of the first elastic member 73 drives the fixing pin 71 to step out of the accommodating groove 5 and insert into the fixing hole 61, thereby achieving the purpose of fixing the speaker 6; when the loudspeaker 6 needs to be removed, the baffle ring 72 is pulled similarly, so that the fixing pin 71 enters the accommodating groove 5, and the loudspeaker 6 is taken out.

In another embodiment provided by the present invention, a circuit board 8 is disposed in the outer housing 3, the circuit board 8 is disposed on the positioning column 9, and a through hole adapted to the positioning column 9 is formed on the circuit board 8, and the circuit board 8 is pre-fixed by the positioning column 9, so that the circuit board 8 is clamped in the outer housing 3 through the positioning column 9; one side that interior casing 4 is close to shell body 3 is provided with spacing post 10, set up the spout with spacing post 10 looks adaptation on the circuit board 8, when interior casing 4 rotates, spacing post 10 is used for fixing the circuit board 8 after the pre-fixing, the spout can be followed to spacing post 10 and slides, circuit board 8 card is in the clearance department between reference column 9 and spacing post 10, and is concrete, when interior casing 4 is installed to shell body 3, spacing post 10 on the interior casing 4 inserts in the spout on the circuit board 8, make circuit board 8 card between reference column 9 and spacing post 10, realize circuit board 8's fixed.

In another embodiment provided by the present invention, the limiting column 10 includes a limiting block disposed on the inner casing 4, a limiting rod is disposed at the end of the limiting block, the positioning column 9 and the limiting column 10 have the same structure, the circuit board 8 is clamped between the positioning column 9 and the limiting block on the limiting column 10, and the limiting rods respectively penetrate through the circuit board 8, so that the circuit board 8 is more firmly fixed, and can protect the circuit board 8 to a certain extent.

In another embodiment provided by the present invention, a clamping groove 11 is formed on the outer shell 3, a limiting groove 12 is formed on one side of the clamping groove 11, the limiting groove 12 is formed on an inner wall of the outer shell 3, a limiting member 13 is arranged on the limiting groove 12, and the limiting member 13 can limit and fix the inner shell 4; interior casing 4's edge be provided with draw-in groove 11 and spacing groove 12 looks adaptation fixture block 14, in draw-in groove 11 is gone into in the mountable of fixture block 14, and rotatable to spacing inslot 12, when fixture block 14 rotates to spacing inslot 12, extrude locating part 13 and make it get into in shell body 3, after rotating, locating part 13 automatic re-setting, chucking fixture block 14, carry out spacing fixed to fixture block 14, draw-in groove 11 through setting up, the locating part 13 that fixture block 14 cooperation set up can realize interior casing 4's quick installation and dismantlement, further convenience is installed or is dismantled speaker 6, facilitate for operating personnel, effectively improve work efficiency.

In another embodiment of the present invention, the position-limiting member 13 includes a groove 15 formed on the position-limiting groove 12, a second elastic member 16 is disposed in the groove 15, a stop 17 is disposed at a terminal of the second elastic member 16, the second elastic member 16 is a spring, an elastic force of the spring drives the stop 17 to extend out of the groove 15, and the fixture block 14 is provided with a cutting portion 141 adapted to the stop 17 for facilitating extrusion of the stop 17.

Specifically, in this embodiment, when interior casing 4 needs to be installed, align fixture block 14 with draw-in groove 11 on the outer casing 3, insert in draw-in groove 11, then rotate interior casing 4, drive fixture block 14 by draw-in groove 11 to spacing inslot 12 internal motion, when cutting portion 141 on fixture block 14 rotated to the position of dog 17, continue to rotate fixture block 14, fixture block 14 can produce the extrusion force to dog 17, make it get into in recess 15, at this moment, second elastic component 16 is compression state, until fixture block 14 rotates completely to spacing inslot 12, at this moment, second elastic component 16 releases elasticity, drive dog 17 and stretch out recess 15, it is spacing to fixture block 14, realize the installation of interior casing 4 promptly.

In still another embodiment of the present invention, at least two fixing members 7 are provided for securing the mounting stability of the speaker 6.

In another embodiment of the present invention, at least two slots 11 are provided to improve the stability of the installation of the inner housing 4.

In another embodiment of the present invention, the speaker 6 is electrically connected to the circuit board 8 through a wire, so as to control the speaker 6 to work, thereby realizing the sound production of the flat-panel earphone.

The working principle of the invention is as follows: in the practical use process, firstly, the loudspeaker 6 is installed in the accommodating groove 5, the fixing pin 71 is driven to move towards the direction of the accommodating groove 5 by pulling the retaining ring 72, the loudspeaker enters the accommodating groove 5, at the moment, the first elastic piece 73 is in a compressed state, then, the loudspeaker 6 is installed in the accommodating groove 5, the fixing hole 61 is aligned to the position of the fixing pin 71, then, the retaining ring 72 is loosened, at the moment, the elastic acting force of the first elastic piece 73 drives the fixing pin 71 to step out of the accommodating groove 5 and insert into the fixing hole 61 to fix the loudspeaker 6, then, the circuit board 8 is installed on the positioning column 9, then, the inner shell 4 is installed on the outer shell 3, the clamping block 14 is aligned to the clamping groove 11 on the outer shell 3 and inserted into the clamping groove 11, then, the inner shell 4 is rotated to drive the clamping block 14 to move from the clamping groove 11 to the limiting groove 12, when the cutting part 141 on the clamping block 14 rotates to the position of the clamping block 17, continue to rotate fixture block 14, fixture block 14 can produce the extrusion force to dog 17, make it get into in recess 15, at this moment, second elastic component 16 is compression state, until fixture block 14 rotates completely to spacing inslot 12, at this moment, second elastic component 16 releases elasticity, it stretches out recess 15 to drive dog 17, it is spacing to fixture block 14, realize the installation of interior casing 4 promptly, when interior casing 4 installs, spacing post 10 on the interior casing 4 inserts the spout on the circuit board 8, make circuit board 8 block between reference column 9 and spacing post 10, fixed to circuit board 8.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a pronunciation device of dull and stereotyped earphone, includes earphone body (1), its characterized in that: be provided with earphone shell (2) on earphone body (1), earphone shell (2) are including shell body (3) and interior casing (4), one side of interior casing (4) is provided with holding tank (5), be provided with speaker (6) in holding tank (5), and be provided with mounting (7) on holding tank (5), seted up on speaker (6) with fixed orifices (61) of mounting (7) looks adaptation.

2. The sound producing device of a flat earphone according to claim 1, wherein the fixing member (7) comprises a fixing pin (71) disposed through the receiving groove (5), a stopper ring (72) is disposed at one end of the fixing pin (71), and a first elastic member (73) is sleeved outside the fixing pin (71).

3. The sound production device of the flat-panel earphone according to claim 1, wherein a circuit board (8) is arranged in the outer shell (3), the circuit board (8) is arranged on the positioning column (9), and a through hole matched with the positioning column (9) is formed in the circuit board (8);

one side of the inner shell (4) close to the outer shell (3) is provided with a limiting column (10), and a sliding groove matched with the limiting column (10) is formed in the circuit board (8).

4. The sound production device of the flat earphone according to claim 1, wherein the limiting column (10) comprises a limiting block arranged on the inner casing (4), and a limiting rod is arranged at the end of the limiting block.

5. The sound production device of the flat earphone according to claim 4, wherein the positioning post (9) and the limiting post (10) have the same structure.

6. The sound production device of the flat earphone according to claim 1, wherein the outer shell (3) is provided with a slot (11), one side of the slot (11) is provided with a limit groove (12), and the limit groove (12) is provided with a limit piece (13);

the edge of the inner shell (4) is provided with a clamping block (14) matched with the clamping groove (11) and the limiting groove (12).

7. The sound-producing device of a flat earphone according to claim 6, wherein the position-limiting member (13) comprises a groove (15) formed in the position-limiting groove (12), a second elastic member (16) is disposed in the groove (15), and a stopper (17) is disposed at the end of the second elastic member (16).

8. The sound producing device of a flat earphone as claimed in claim 7, wherein the engaging piece (14) is provided with a cutting portion (141) adapted to the engaging piece (17).

9. The sound-producing device for a flat earphone according to claim 1, wherein the receiving groove (5) is formed with a through hole.

10. A sound-producing mechanism for a flat-panel earphone as claimed in claim 3, wherein the circuit board (8) is clamped in the gap between the positioning post (9) and the position-limiting post (10).

11. A sound-producing mechanism for a flat-type earphone as claimed in claim 2, wherein the first elastic member (73) is a spring.

12. A sound-producing mechanism for a flat-panel earphone as claimed in claim 7, wherein the second resilient member (16) is a spring.

13. A sound-producing mechanism for a flat-panel earphone as claimed in claim 1, wherein the number of the fixing members (7) is at least two.

14. The sound production device of a flat earphone according to claim 6, wherein at least two slots (11) are provided.

15. The sound producing device of a flat earphone according to claim 3, wherein the speaker (6) is electrically connected to the circuit board (8) through a wire.