CN204578770U - Loud speaker - Google Patents
Loud speaker Download PDFInfo
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- CN204578770U CN204578770U CN201520282451.9U CN201520282451U CN204578770U CN 204578770 U CN204578770 U CN 204578770U CN 201520282451 U CN201520282451 U CN 201520282451U CN 204578770 U CN204578770 U CN 204578770U
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- magnetic yoke
- loud speaker
- conductive magnetic
- buckle
- shell
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Abstract
The utility model provides a kind of loud speaker, comprise shell, the protecgulum suitable with shell, and be positioned at the magnetic circuit assembly of the cavity that shell and protecgulum surround, magnetic circuit assembly comprises conductive magnetic yoke and is arranged at the limit magnet of conductive magnetic yoke marginal position, at shell, one end of magnetic circuit assembly is provided with buckle, buckle is fastened on conductive magnetic yoke/limit magnet.Utilize the utility model, being fixedly connected with of magnetic circuit assembly and shell can be strengthened, prevent coming off of magnetic circuit system.
Description
Technical field
The utility model relates to acoustic-electric technical field, more specifically, relates to a kind of loud speaker.
Background technology
Loud speaker is as the conventional electro-acoustic transducer device by converting electric energy being acoustic energy, and it plays a part indispensable in sound place system.Loud speaker is a device the weakest in sound place system, and puts for effect for sound, and it is again most important parts.Loud speaker of a great variety, audio-frequency electric is by electromagnetism, and piezoelectricity or electrostatic effect, make its cone or diaphragm vibration and produce with ambient air resonate and sound.Therefore, had the appearance of loud speaker just, people are just heard beautiful sound.
In our daily life, use at most, the most widely loud speaker be dynamic speaker, be also called coil-moving speaker.It primarily of vibrational system, magnetic circuit system and auxiliary system three part composition.Wherein, vibrational system comprises vibrating diaphragm, voice coil loudspeaker voice coil and centring disk etc.; Magnetic circuit system comprises magnet, washer and conductive magnetic yoke etc.; Auxiliary system comprises protecgulum, shell, lead-out wire and shell fragment etc.When being in the voice coil loudspeaker voice coil in magnetic field and having tone currents to flow through, alternation motive force can be subject to and produce alternate motion, thus drive vibrating diaphragm vibrations, and then repeatedly promote air and sounding.
At present, along with improving constantly of requiring speaker performance, the volume of magnetic circuit system is also increasing; Now, magnetic circuit system and the fixing of shell are just difficult to ensure, in use, easily occur the problem that magnetic circuit comes off.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of loud speaker, becomes to solve existing loud speaker due to magnetic circuit system volume the problem of magnetic circuit of causing greatly.
The loud speaker that the utility model provides, comprise shell, with the suitable protecgulum of shell, and be positioned at the magnetic circuit assembly of the cavity that shell and protecgulum surround; Magnetic circuit assembly comprises conductive magnetic yoke and is arranged at the limit magnet of conductive magnetic yoke marginal position, wherein, at shell, one end of magnetic circuit assembly is provided with buckle; Buckle is fastened on conductive magnetic yoke/limit magnet.
In addition, preferred structure is, the length of limit magnet is greater than the length of conductive magnetic yoke outer ledge, and the part that limit magnet exceeds conductive magnetic yoke outer ledge forms the extension be exposed to outside conductive magnetic yoke; Buckle is fastened on the extension of limit magnet.
In addition, preferred structure is, limit magnet is corresponding with conductive magnetic yoke to be arranged, and buckle is fastened on the outer ledge place of conductive magnetic yoke.
In addition, preferred structure is, buckle is the bulge-structure extended to magnetic circuit assembly direction from shell, the engaging portion comprising vertically extending protuberance and extended to magnetic circuit component internal direction by protuberance; Engaging portion and conductive magnetic yoke/limit magnet fasten.
In addition, preferred structure is, the protuberance of buckle extends to limit magnet, and engaging portion and the limit magnet of buckle fasten.
In addition, preferred structure is, the protuberance of buckle extends to conductive magnetic yoke, and the engaging portion of buckle is fastened on the outer ledge place of conductive magnetic yoke.
In addition, preferred structure is, magnetic circuit assembly also comprises the centring magnet being arranged at conductive magnetic yoke centre position; The surface of centring magnet and limit magnet is coated with center washer and limit washer respectively.
In addition, preferred structure is, goes back involving vibrations system; Vibrational system comprises vibrating diaphragm, is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side, and is positioned at the reinforcement part of vibrating diaphragm center.
In addition, preferred structure is provided with phonate hole on protecgulum; Be sticked in the position of the corresponding phonate hole of protecgulum damping screen.
From technical scheme above, loud speaker of the present utility model, magnetic circuit assembly and shell are fixed by snap, are connected firmly, and can effectively prevent magnetic circuit assembly from coming off.
Accompanying drawing explanation
By reference to the content below in conjunction with the description of the drawings and claims, and understand more comprehensively along with to of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the loud speaker decomposition texture schematic diagram according to the utility model embodiment;
Fig. 2 is the loadspeaker structure schematic diagram according to the utility model embodiment one;
Fig. 3 is part B enlarged drawing in Fig. 2;
Fig. 4 is the loadspeaker structure schematic diagram according to the utility model embodiment two;
Fig. 5 is C magnified partial view in Fig. 4.
Reference numeral wherein comprises: protecgulum 1, reinforcement part 2, vibrating diaphragm 3, voice coil loudspeaker voice coil 4, shell 5, buckle 6, shell fragment 7, center washer 8, limit washer 9, centring magnet 10, limit magnet 11, conductive magnetic yoke 12.
Label identical in all of the figs indicates similar or corresponding feature or function.
Embodiment
Increasing for above-mentioned magnetic circuit system, being fixedly difficult between magnetic circuit system and shell ensures, easily occur falling the problem of magnetic, the utility model provides a kind of loud speaker, comprise shell, with the suitable protecgulum of shell, and be positioned at the magnetic circuit assembly of the cavity that shell and protecgulum surround; Wherein, magnetic circuit assembly is connected with shell is fixed by snap, can strengthen the firmness between shell and magnetic circuit assembly, effectively prevents magnetic circuit assembly in loud speaker use procedure from coming off.
For following about in the description of loud speaker, magnetic circuit system comprises multiple magnetic circuit assembly; Wherein, conductive magnetic yoke, centring magnet, limit magnet, center washer and limit washer are each magnetic circuit assembly in magnetic circuit system, because each magnetic circuit assembly is bonded and fixed at together, be connected by magnetic circuit assembly is fixed with shell, can effectively prevent whole magnetic circuit system from coming off in shell.
In order to describe the loadspeaker structure that the utility model provides in detail, below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Particularly, Fig. 1 shows the loud speaker decomposition texture according to the utility model embodiment.
The buckle 6 that loud speaker of the present utility model comprises protecgulum 1, reinforcement part 2, vibrating diaphragm 3, voice coil loudspeaker voice coil 4, shell 5, shell fragment 7, center washer 8, limit washer 9, centring magnet 10, limit magnet 11, conductive magnetic yoke 12 and is positioned on shell 5.
Particularly, loud speaker comprises protecgulum 1, shell 5 and the vibrational system that is contained in cavity that protecgulum 1 and shell 5 surround and magnetic circuit system; Wherein, vibrational system comprises vibrating diaphragm 3, is incorporated into the reinforcement part 2 of vibrating diaphragm 3 central part position and bonds fixing voice coil loudspeaker voice coil 4 with vibrating diaphragm 3; Voice coil loudspeaker voice coil 4 is the parts driving diaphragm oscillations, comprises voice coil loudspeaker voice coil main body and voice coil leads; Shell fragment 7 welds with voice coil leads as signal output terminal, is electrically connected by external circuit with voice coil leads.
Magnetic circuit system comprises each magnetic circuit assembly of conductive magnetic yoke 12, center washer 8, limit washer 9, center magnet 10 and limit magnet 11; Centring magnet 10 is fixedly connected with conductive magnetic yoke 12, limit magnet 11 is arranged around centring magnet 10, center washer 8 covers the side of centring magnet 10 away from yoke 12, limit washer 9 is arranged around center washer 8, wherein, center washer 8 is corresponding with centring magnet 10 to be arranged, and limit washer 9 is corresponding with limit magnet 11 to be arranged.Form magnetic gap between centring magnet 10 and limit magnet 11, the side of voice coil loudspeaker voice coil 4 is fixedly connected with vibrating diaphragm 3, and the other end is suspended in this magnetic gap.
At connected with outer casing 5 fixed by snap with the process of magnetic circuit system, at shell 5, one end of magnetic circuit assembly is provided with buckle, the buckle 6 be positioned on shell 5 can be fastened in conductive magnetic yoke 12, also can be fastened on limit magnet 11, below in conjunction with accompanying drawing, shell and the fastening of conductive magnetic yoke and fastening two kinds of specific embodiments of shell and limit magnet are described respectively.
Particularly, Fig. 2 shows the loadspeaker structure according to the utility model embodiment one; Fig. 3 is part B structure for amplifying in Fig. 2.
As Fig. 2 and Fig. 3 jointly shown in, in a kind of loadspeaker structure of the utility model embodiment one, the length of limit magnet 11 is greater than the length of conductive magnetic yoke 12 outer ledge, namely there is a length difference between limit magnet 11 and conductive magnetic yoke 12, the part that limit magnet 11 exceeds conductive magnetic yoke 12 outer ledge forms the extension be exposed to outside conductive magnetic yoke 12, and shell 5 is provided with buckle 6 near one end of magnetic circuit assembly, buckle 6 is the bulge-structure extended to magnetic circuit assembly direction from shell 5, the engaging portion comprising vertically extending protuberance and extended to magnetic circuit component internal direction by protuberance.In this embodiment, the protuberance of buckle extends to limit magnet 11, and engaging portion and the limit magnet 11 of buckle fasten.
In addition, Fig. 4 shows the loadspeaker structure according to the utility model embodiment two; Fig. 5 is C part structure for amplifying in Fig. 4.
As Fig. 4 and Fig. 5 jointly shown in, in the another kind of loadspeaker structure of the utility model embodiment two, limit magnet 11 is corresponding with the length of conductive magnetic yoke 12 to be arranged, and buckle 6 can not be stuck on limit magnet 11; Now, the protuberance of buckle 6 extends to conductive magnetic yoke 12, the engaging portion of buckle 6 is fastened on the outer ledge place of conductive magnetic yoke 12, namely the buckle 6 on shell 5 can be buckled in the outermost conductive magnetic yoke 12 of magnetic circuit system, by being fixedly connected with conductive magnetic yoke 12 by shell 5, whole magnetic circuit system can be housed in securely shell 5 with conductive magnetic yoke 12.When boning insecure between the magnetic circuit assembly in magnetic circuit system, also there will not be the phenomenon that magnetic circuit assembly comes off.
In a preferred embodiment of the present utility model, be positioned at the buckle 6 on shell 5, be fastened on the outer ledge place of conductive magnetic yoke 12, while guaranteeing that whole magnetic circuit system is firmly connected with shell 5, buckle 6 can be avoided higher than conductive magnetic yoke 12 place plane, buckle 6 and conductive magnetic yoke 12 is made to be in sustained height, convenient installation.
In addition, buckle 6 can be symmetrical arranged on shell 5, can make the stress equalization of magnetic circuit system and shell 5 junction, improves the useful life of speaker product.
Can be found out by above-mentioned execution mode, the loud speaker that the utility model provides, magnetic circuit assembly is connected with shell is fixed by snap, can effectively prevent whole magnetic circuit system from coming off.
The loud speaker according to the utility model proposes is described in an illustrative manner above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the loud speaker that above-mentioned the utility model is proposed, various improvement can also be made on the basis not departing from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (9)
1. a loud speaker, comprise shell, with the suitable protecgulum of described shell, and be positioned at the magnetic circuit assembly of the cavity that described shell and protecgulum surround; Described magnetic circuit assembly comprises conductive magnetic yoke and is arranged at the limit magnet of described conductive magnetic yoke marginal position, it is characterized in that,
At described shell, one end of described magnetic circuit assembly is provided with buckle;
Described buckle is fastened on described conductive magnetic yoke/limit magnet.
2. loud speaker as claimed in claim 1, is characterized in that,
The length of described limit magnet is greater than the length of described conductive magnetic yoke outer ledge, and the part that described limit magnet exceeds described conductive magnetic yoke outer ledge forms the extension be exposed to outside described conductive magnetic yoke;
Described buckle is fastened on the extension of described limit magnet.
3. loud speaker as claimed in claim 1, is characterized in that,
Described limit magnet is corresponding with described conductive magnetic yoke to be arranged;
Described buckle is fastened on the outer ledge place of described conductive magnetic yoke.
4. loud speaker as claimed in claim 1, is characterized in that,
Described buckle is the bulge-structure extended to described magnetic circuit assembly direction from described shell, the engaging portion comprising vertically extending protuberance and extended to described magnetic circuit component internal direction by described protuberance;
Described engaging portion and described conductive magnetic yoke/limit magnet fasten.
5. loud speaker as claimed in claim 4, is characterized in that,
The protuberance of described buckle extends to described limit magnet, and engaging portion and the described limit magnet of described buckle fasten.
6. loud speaker as claimed in claim 4, is characterized in that,
The protuberance of described buckle extends to described conductive magnetic yoke, and the engaging portion of described buckle is fastened on the outer ledge place of described conductive magnetic yoke.
7. loud speaker as claimed in claim 1, is characterized in that,
Described magnetic circuit assembly also comprises the centring magnet being arranged at described conductive magnetic yoke centre position;
The surface of described centring magnet and described limit magnet is coated with center washer and limit washer respectively.
8. loud speaker as claimed in claim 1, is characterized in that, go back involving vibrations system;
Described vibrational system comprises vibrating diaphragm, is fixed on the voice coil loudspeaker voice coil of described vibrating diaphragm side, and is incorporated into the reinforcement part of described vibrating diaphragm center.
9. loud speaker as claimed in claim 1, is characterized in that,
Described protecgulum is provided with phonate hole;
Be sticked in the position of the corresponding described phonate hole of described protecgulum damping screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282451.9U CN204578770U (en) | 2015-05-05 | 2015-05-05 | Loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520282451.9U CN204578770U (en) | 2015-05-05 | 2015-05-05 | Loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204578770U true CN204578770U (en) | 2015-08-19 |
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ID=53871355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520282451.9U Active CN204578770U (en) | 2015-05-05 | 2015-05-05 | Loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204578770U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015069A1 (en) * | 2017-07-18 | 2019-01-24 | 歌尔股份有限公司 | Loudspeaker |
| CN110891232A (en) * | 2019-11-29 | 2020-03-17 | 歌尔股份有限公司 | Magnet mounting structure and speaker |
| CN111147986A (en) * | 2020-02-28 | 2020-05-12 | 歌尔股份有限公司 | Sound producing device |
-
2015
- 2015-05-05 CN CN201520282451.9U patent/CN204578770U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015069A1 (en) * | 2017-07-18 | 2019-01-24 | 歌尔股份有限公司 | Loudspeaker |
| CN110891232A (en) * | 2019-11-29 | 2020-03-17 | 歌尔股份有限公司 | Magnet mounting structure and speaker |
| CN110891232B (en) * | 2019-11-29 | 2021-02-19 | 歌尔股份有限公司 | Magnet mounting structure and speaker |
| CN111147986A (en) * | 2020-02-28 | 2020-05-12 | 歌尔股份有限公司 | Sound producing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |