CN114845233A - Loudspeaker that vibration reed and welding shell fragment integration were moulded plastics - Google Patents
Loudspeaker that vibration reed and welding shell fragment integration were moulded plastics Download PDFInfo
- Publication number
- CN114845233A CN114845233A CN202210777916.2A CN202210777916A CN114845233A CN 114845233 A CN114845233 A CN 114845233A CN 202210777916 A CN202210777916 A CN 202210777916A CN 114845233 A CN114845233 A CN 114845233A
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- vibration
- spring plate
- welding
- magnetic
- loudspeaker
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The invention relates to the technical field of earphone horns, and provides a horn with a vibration reed and a welding reed integrally injected, which comprises a magnetic circuit part and a vibration part, wherein the magnetic circuit part and the vibration part are connected through rivets: the magnetic circuit part comprises a magnetic cup, magnetic steel and a polar plate which are sequentially stacked in the magnetic cup, and the vibration part comprises a welding elastic sheet, a vibration reed, a voice coil, a plastic part and a plastic cover. According to the invention, the welding spring plate and the vibration spring plate are integrally injected into the plastic part, and compared with an adhesive connection mode, the structure is more stable and reliable, and deformation and loosening are not easy to occur. The vibration reed is connected with the magnetic circuit part through a rivet, the rigid connection is achieved, the stability is high, all parts are integrated in vibration, and the vibration synchronization is achieved.
Description
Technical Field
The invention relates to the technical field of earphone horns, in particular to a horn integrally molded by a vibration reed and a welding reed.
Background
The loudspeaker is used as an electroacoustic product and is an indispensable sounding device of communication products. The earphone speaker mainly has two sound conduction modes: firstly, sound waves pass through compressed air, and the air pressure drives the inner eardrum to reach the cochlea; secondly, the sound is transmitted to the ossicles of the ear through the direct vibration of the skull and finally reaches the cochlea.
The vibration type loudspeaker belongs to an earphone loudspeaker in a bone conduction mode and can directly convert an electronic signal into a mechanical signal; the audio-frequency sound-absorbing pad is applied to wearable equipment in the audio frequency field so as to meet the requirement of people on sound under specific conditions. Which transmits sound by vibration rather than applying pressure to the air around you, the audio signal is very clear. However, in the existing vibrating horn, internal parts are bonded by glue, so that the product has poor mechanical stability and is easy to deform and loosen.
Disclosure of Invention
The invention aims to overcome at least one of the defects of the prior art and provides the integrally injection-molded loudspeaker of the vibration reed and the welding reed. The purpose of the invention is realized based on the following technical scheme:
the invention provides a loudspeaker with a vibration reed and a welding reed integrally injected, which comprises a magnetic circuit part and a vibration part, wherein the magnetic circuit part and the vibration part are connected through rivets: the magnetic circuit part comprises a magnetic cup, and magnetic steel and a polar plate which are sequentially stacked in the magnetic cup, the vibration part comprises a welding elastic sheet, a vibration reed, a voice coil, a plastic part and a plastic cover, the voice coil is stacked in the magnetic cup and surrounds the magnetic steel and the polar plate, the welding elastic sheet is welded with the interior of the voice coil, the vibration reed is fixed in the plastic part, the plastic part is stacked on the voice coil, the welding elastic sheet is not in contact with the vibration reed, the plastic cover is stacked on the plastic part, and the plastic cover is used for assembling the loudspeaker in an external earphone; plating two surfaces of the welded elastic sheet at the same time, and then integrally injecting the welded elastic sheet and the vibration reed into a plastic part to realize connection; the welding spring plate is connected with an external earphone core wire, the vibration spring plate is used for providing support for connection of the magnetic circuit part and the vibration part, and the vibration spring plate is connected with the magnetic circuit part through a rivet.
Preferably, the welding spring plate and the vibration spring plate are made of the same material through punching by an integrated die, then two surfaces of the welding spring plate are subjected to rack plating treatment at the same time, then the welding spring plate and the vibration spring plate are injected into a plastic part, and after a semi-finished product is formed through injection molding, the connecting part of the vibration spring plate and the welding spring plate is eliminated, so that the welding spring plate and the vibration spring plate are not communicated.
Preferably, two surfaces of the welding elastic sheet are plated with tin layers in a hanging plating mode, and the thickness of each tin layer is 2-5 mu m.
Preferably, the centers of the magnetic cup, the magnetic steel, the polar plate and the vibration reed are provided with through holes, and the rivet penetrates through all the through holes to connect the magnetic circuit part and the vibration part.
Preferably, the rivet has a hollow bottom structure, and after the rivet penetrates through all the through holes to connect the magnetic circuit part and the vibration part, the hollow bottom structure of the rivet is riveted by a riveting machine to fix the magnetic circuit part and the vibration part.
Preferably, the middle part of the pole plate is provided with a boss, and the boss is obtained by pressing the middle part of the pole plate out of a rolling structure in the direction opposite to the inner opening of the magnetic cup.
Preferably, the boss is provided with a protrusion, and a small hole matched with the protrusion is arranged at the corresponding position of the vibration reed.
Preferably, the magnetic circuit part is connected in a manner that: and concentrically arranging the magnetic cup, the magnetic steel and the polar plate into a jig, and bonding by using glue.
Preferably, the voice coil is fixedly connected with the plastic part through gluing, and/or the plastic part is fixedly connected with the plastic cover through gluing.
Preferably, the voice coil is provided with a step, and the plastic part is arranged on the step.
The invention can obtain at least one of the following beneficial effects:
according to the invention, the welding spring plate and the vibration spring plate are integrally injected into the plastic part, and compared with an adhesive connection mode, the structure is more stable and reliable, and deformation and loosening are not easy to occur. The vibration reed is connected with the magnetic circuit part through a rivet, the rigid connection is achieved, the stability is high, all parts are integrated in vibration, and the vibration synchronization is achieved. The welding spring plate and the vibration spring plate are integrally made of the same material in a die and are punched together, so that the production process is simplified, the production efficiency is improved, the material is saved, and the production cost is reduced. The vibration reed and the welding elastic sheet are not communicated, so that an electric loop can not be formed, the short circuit phenomenon can not occur, and the use safety is ensured.
Drawings
FIG. 1 is an exploded view of a preferred embodiment of the horn configuration of the present invention;
FIG. 2 is a drawing of the integrated die-cut of the welded spring plate and the vibrating spring plate according to the preferred embodiment of the present invention;
FIG. 3 shows the plastic part and the welded spring plate, the vibrating reed after injection molding according to the preferred embodiment of the present invention;
FIG. 4 is a 3D view of a horn configuration of a preferred embodiment of the present invention;
FIG. 5 is a 3D cross-sectional view of a horn structure according to a preferred embodiment of the present invention;
fig. 6 is an assembly view of a headset according to a preferred embodiment of the present invention;
description of reference numerals: 1-magnetic cup, 2-magnetic steel, 3-polar plate, 31-boss, 4-welding shrapnel, 5-vibration reed, 6-rivet, 7-voice coil, 8-plastic piece, 9-plastic cover, 10-through hole, 11-bulge, 12-small hole, 13-step, 100-loudspeaker and 200-earphone.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, a preferred embodiment of the present invention provides a loudspeaker with a vibration reed and a welded elastic piece integrally molded, which includes a magnetic circuit portion and a vibration portion, the magnetic circuit portion and the vibration portion are connected by a rivet 6: the magnetic circuit part comprises a magnetic cup 1, and a magnetic steel 2 and a polar plate 3 which are sequentially stacked in the magnetic cup 1, the vibration part comprises a welding spring plate 4, a vibration spring plate 5, a voice coil 7, a plastic piece 8 and a plastic cover 9, the voice coil 7 is stacked in the magnetic cup 1 and surrounds the magnetic steel 2 and the polar plate 3, the welding spring plate 4 is welded with the interior of the voice coil 7, the vibration spring plate 5 is fixed in the plastic piece 8, the plastic piece 8 is stacked on the voice coil 7, the welding spring plate 4 and the vibration spring plate 5 are positioned on the same plane, the welding spring plate 4 is not in contact with the vibration spring plate 5, the plastic cover 9 is stacked on the plastic piece 8, and the plastic cover 9 is used for assembling the loudspeaker 100 in an external earphone 200; and (3) hanging plating treatment is carried out on two surfaces of the welding elastic sheet 4 at the same time, and then the welding elastic sheet 4 and the vibration reed 5 are integrally injected into the plastic part 8 so as to realize connection. The welding spring plate 4 is used for being connected with an external earphone core wire and connecting external current; vibration reed 5 is used to provide support for the connection of the magnetic circuit part and the vibration part, and vibration reed 5 is connected with the magnetic circuit part through rivet 6.
According to the invention, the welding spring plate 4 and the vibration spring plate 5 are integrally injected into the plastic part 8, and compared with an adhesive connection mode, the structure is more stable and reliable, and deformation and loosening are not easy to occur. The vibration reed 5 is connected with the magnetic circuit part through the rivet 6, rigid connection is achieved, stability is high, all parts vibrate integrally, and vibration synchronization is achieved.
In this embodiment, the preparation of the welding spring plate 4 and the vibration spring plate 5 and the connection with the plastic part 8 are specifically as follows: the welding spring plate 4 and the vibration spring plate 5 are integrally made of the same material in a die, then the welding spring plate and the vibration spring plate 5 are punched on a punching machine together with a connecting part, then the two sides of the welding spring plate 4 are subjected to rack plating treatment simultaneously, then the welding spring plate 4, the vibration spring plate 5 and the connecting part are injected into a plastic part 8, and after the welding spring plate and the vibration spring plate are injected into a semi-finished product, the connecting part of the vibration spring plate 5 and the welding spring plate 4 is removed, so that the welding spring plate and the vibration spring plate are not communicated. The welding spring plate 4 and the vibration spring plate 5 are integrally made of the same material in a die and are punched together, so that the production process is simplified, the production efficiency is improved, the material is saved, and the production cost is reduced. The vibration reed 5 and the welding spring plate 4 are not communicated, so that an electric loop can not be formed, the short circuit phenomenon can not occur, and the use safety is ensured. Wherein, the two sides of the welding elastic sheet 4 are simultaneously plated with tin layers, and the thickness of the tin layers is 2-5 μm, so that the welding with the enameled wire led out from the voice coil 7 and the welding with the external earphone core wire are facilitated.
In this embodiment, the magnetic cup 1, the magnetic steel 2, the pole plate 3 and the vibrating reed 5 are provided with through holes 10 at the centers thereof, and the rivets 6 penetrate all the through holes 10 to connect the magnetic circuit part and the vibrating part. The head of the rivet 6 is arranged on one side of the vibration reed 5, the rivet 6 is of a bottom hollow structure, after the rivet 6 penetrates through all the through holes 10 to connect the magnetic circuit part and the vibration part, the rivet 6 is riveted to the bottom hollow structure through a riveting machine, the magnetic circuit part and the vibration part are fixed, looseness or displacement cannot occur, the structure is stable, and integrated vibration is guaranteed.
In the embodiment, the middle part of the pole plate 3 is provided with the boss 31, and the boss 31 is used for being matched with the vibration reed 5 to connect the magnetic circuit part and the vibration part, so that the magnetic circuit part is not easy to loosen and deform, and synchronous vibration is also facilitated to realize; the boss 31 can also provide a vibration space for the horn, avoiding noise. The boss 31 is obtained by pressing the middle part of the pole plate 3 out of a rolling structure in the direction opposite to the inner opening of the magnetic cup 1, the strength of the rolling structure is high, and integrated vibration is realized. Preferably, the boss 31 is provided with a bulge 11, and the corresponding position of the vibration reed 5 is provided with a small hole 12 matched with the bulge 11; can utilize protruding 11 and the cooperation of aperture 12 to fix a position vibration reed 5 and polar plate 3, recycle through-hole 10 and connect the two, the connection between magnetic circuit part and the vibration part is firm, and difficult emergence is not hard up or the displacement, has guaranteed the stability of loudspeaker structure.
In the present embodiment, the magnetic circuit portion is connected in the following manner: and (3) concentrically loading the magnetic cup 1, the magnetic steel 2 and the polar plate 3 into a jig, and bonding by using glue.
Through sticky fixed connection between voice coil loudspeaker voice coil 7 and the plastic part 8, wherein, voice coil loudspeaker voice coil 7 is equipped with step 13, and plastic part 8 sets up on step 13, and the assembly of voice coil loudspeaker voice coil 7 and plastic part 8 of being convenient for can accurate connection. The plastic part 8 and the plastic cover 9 are fixedly connected through gluing. The assembly between voice coil loudspeaker voice coil 7, plastic part 8 and the plastic lid 9, beat the round adhesive fixation in the junction can, can guarantee the holistic joint strength of loudspeaker.
The working principle of the invention is as follows: connect external current (provided by outside earphone heart yearn) through welding shell fragment 4, the electric current passes through voice coil loudspeaker voice coil 7, because voice coil loudspeaker voice coil 7 places in magnetic circuit part's magnetic field, voice coil loudspeaker voice coil 7 follows right-hand spiral rule under the effect in magnetic field, voice coil loudspeaker voice coil 7 moves in magnetic field to produce and generate the power and move, reverse acting force promotes magnetic circuit part and vibration reed 5 vibration, takes place air compression, produces the sound wave, and promote the vibration of plastic cover 9 and outside earphone shell, thereby make sound. Because the welding shell fragment 4 and the integration of vibration reed 5 are moulded plastics in plastic part 8, connection stability is high, and the structure is reliable, is difficult for taking place to warp and pine and take off.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a loudspeaker that vibration reed and welding shell fragment integration were moulded plastics which characterized in that, includes magnetic circuit part and vibration part, magnetic circuit part and vibration part pass through rivet (6) and connect: the magnetic circuit part comprises a magnetic cup (1), and a magnetic steel (2) and a polar plate (3) which are sequentially overlapped in the magnetic cup (1), the vibration part comprises a welding spring plate (4), a vibration spring plate (5), a voice coil (7), a plastic piece (8) and a plastic cover (9), the voice coil (7) is overlapped in the magnetic cup (1) and surrounds the magnetic steel (2) and the polar plate (3), the welding spring plate (4) is welded with the voice coil (7), the vibration spring plate (5) is fixed in the plastic part (8), the plastic part (8) is overlapped on the voice coil (7), the welding spring plate (4) and the vibration spring plate (5) are positioned on the same plane, the welding spring plate (4) is not contacted with the vibration spring plate (5), the plastic cover (9) is overlapped on the plastic part (8), and the plastic cover (9) is used for assembling the loudspeaker in an external earphone; the two sides of the welding elastic sheet (4) are subjected to rack plating treatment at the same time, and then the welding elastic sheet (4) and the vibration reed (5) are integrally injected into the plastic part (8) to realize connection; the welding spring plate (4) is used for being connected with an external earphone core wire, the vibration spring plate (5) is used for providing support for connection of the magnetic circuit part and the vibration part, and the vibration spring plate (5) is connected with the magnetic circuit part through a rivet (6).
2. The loudspeaker of claim 1, wherein the welding spring plate (4) and the vibration spring plate (5) are made of the same material by punching and cutting through an integrated die, then the two surfaces of the welding spring plate (4) are subjected to rack plating treatment at the same time, then the welding spring plate (4) and the vibration spring plate (5) are injected into a plastic part (8), and after the welding spring plate and the vibration spring plate are injected into a semi-finished product, the connecting part of the vibration spring plate (5) and the welding spring plate (4) is removed, so that the welding spring plate and the vibration spring plate are not communicated.
3. The loudspeaker of claim 1, wherein the two sides of the welding spring (4) are plated with tin layers by plating, and the thickness of the tin layers is 2-5 μm.
4. The loudspeaker of claim 1, wherein the magnetic cup (1), the magnetic steel (2), the polar plate (3) and the vibrating reed (5) are provided with through holes (10) at the centers, and the rivet (6) penetrates through all the through holes (10) to connect the magnetic circuit part and the vibrating part.
5. The integrally injection-molded horn with the vibrating reed and the welded shrapnel as claimed in claim 4, wherein the rivet (6) adopts a bottom hollow structure, and after the rivet (6) penetrates through all the through holes (10) to connect the magnetic circuit part and the vibrating part, the rivet (6) is riveted with the bottom hollow structure by a riveting machine to fix the magnetic circuit part and the vibrating part.
6. The loudspeaker of claim 1, wherein the central portion of the pole plate (3) is provided with a boss (31), and the boss (31) is formed by pressing the central portion of the pole plate (3) into a rolled structure opposite to the inner opening of the magnetic cup (1).
7. The loudspeaker of claim 6, wherein the boss (31) is provided with a protrusion (11), and the corresponding position of the vibrating reed (5) is provided with a small hole (12) matched with the protrusion (11).
8. The integrally injection-molded horn with the vibrating reed and the welding shrapnel as claimed in claim 1, wherein the magnetic circuit part is connected in a manner that: the magnetic cup (1), the magnetic steel (2) and the polar plate (3) are concentrically arranged in a jig and are bonded by glue.
9. The integrally injection-molded loudspeaker with the vibrating reed and the welded elastic sheet as claimed in claim 1, wherein the voice coil (7) and the plastic part (8) are fixedly connected by gluing, and/or the plastic part (8) and the plastic cover (9) are fixedly connected by gluing.
10. The integrally injection-molded loudspeaker of a vibration reed and a welded elastic sheet as claimed in claim 1, wherein the voice coil (7) is provided with a step (13), and the plastic part (8) is arranged on the step (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210777916.2A CN114845233A (en) | 2022-07-04 | 2022-07-04 | Loudspeaker that vibration reed and welding shell fragment integration were moulded plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210777916.2A CN114845233A (en) | 2022-07-04 | 2022-07-04 | Loudspeaker that vibration reed and welding shell fragment integration were moulded plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114845233A true CN114845233A (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210777916.2A Pending CN114845233A (en) | 2022-07-04 | 2022-07-04 | Loudspeaker that vibration reed and welding shell fragment integration were moulded plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114845233A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000325879A (en) * | 1999-05-19 | 2000-11-28 | Citizen Electronics Co Ltd | Multifunction type sound producing body and its production |
| JP2002218578A (en) * | 2001-01-22 | 2002-08-02 | Citizen Electronics Co Ltd | Multifunctional sounder and its manufacturing method |
| CN203243500U (en) * | 2013-05-02 | 2013-10-16 | 邓治国 | Full-frequency resonance horn of bone-conductive earphone |
| CN208971793U (en) * | 2018-12-20 | 2019-06-11 | 天兔科技（广州）有限公司 | A kind of vibrating loudspeakers |
| CN211792018U (en) * | 2020-01-03 | 2020-10-27 | 深圳市陌音科技有限公司 | Bone conduction vibrator loudspeaker |
| US20210092525A1 (en) * | 2018-06-15 | 2021-03-25 | Shenzhen Voxtech Co., Ltd. | Bone conduction speaker and earphone |
| CN214675668U (en) * | 2021-05-26 | 2021-11-09 | 厦门麦尔迪电子科技有限公司 | Bone conduction sounder |
| CN114666715A (en) * | 2022-04-29 | 2022-06-24 | 厦门东声电子有限公司 | Loudspeaker with FPC and bonding pad integrally formed and assembling method thereof |
-
2022
- 2022-07-04 CN CN202210777916.2A patent/CN114845233A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000325879A (en) * | 1999-05-19 | 2000-11-28 | Citizen Electronics Co Ltd | Multifunction type sound producing body and its production |
| JP2002218578A (en) * | 2001-01-22 | 2002-08-02 | Citizen Electronics Co Ltd | Multifunctional sounder and its manufacturing method |
| CN203243500U (en) * | 2013-05-02 | 2013-10-16 | 邓治国 | Full-frequency resonance horn of bone-conductive earphone |
| US20210092525A1 (en) * | 2018-06-15 | 2021-03-25 | Shenzhen Voxtech Co., Ltd. | Bone conduction speaker and earphone |
| CN208971793U (en) * | 2018-12-20 | 2019-06-11 | 天兔科技（广州）有限公司 | A kind of vibrating loudspeakers |
| CN211792018U (en) * | 2020-01-03 | 2020-10-27 | 深圳市陌音科技有限公司 | Bone conduction vibrator loudspeaker |
| CN214675668U (en) * | 2021-05-26 | 2021-11-09 | 厦门麦尔迪电子科技有限公司 | Bone conduction sounder |
| CN114666715A (en) * | 2022-04-29 | 2022-06-24 | 厦门东声电子有限公司 | Loudspeaker with FPC and bonding pad integrally formed and assembling method thereof |
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Application publication date: 20220802 |
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