CN205912251U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205912251U CN205912251U CN201620752119.9U CN201620752119U CN205912251U CN 205912251 U CN205912251 U CN 205912251U CN 201620752119 U CN201620752119 U CN 201620752119U CN 205912251 U CN205912251 U CN 205912251U
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- CN
- China
- Prior art keywords
- loudspeaker
- washer
- housing
- magnetic yoke
- conductive magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a loudspeaker, including the casing, with the inside wall fixed connection's of casing magnetic yoke and mould plastics and fix in the intramural china department that moulds plastics of the side of casing, both ends in the china department that moulds plastics are provided with the arch to a magnetic yoke lateral buckling respectively, and the upper surface at the lateral wall of casing is exposed to the arch, magnetic yoke and protruding welded fastening. Utilizing above -mentioned utility model, can guaranteeing the combination dynamics between each subassembly of magnetic circuit, the china department that prevents to mould plastics comes off or is out of shape, and it can be stable to guarantee to produce property.
Description
Technical field
The utility model is related to technical field of acoustics, more specifically, is related to a kind of loudspeaker.
Background technology
Loudspeaker as the conventional electro-acoustic transducer device converting electrical energy into acoustic energy, its play in sound place system can not or
Scarce effect.Loudspeaker is a device the weakest in sound place system, and puts for effect for sound, it be again one
Important part.The species of loudspeaker is various, and audio frequency electric energy passes through electromagnetism, piezoelectricity or electrostatic effect so as to cone or vibrating diaphragm shake
Dynamic and with surrounding air produces resonance and sends sound.Therefore, exactly there is the appearance of loudspeaker and receiver, people just obtain
To hear beautiful sound.
At present, most of loudspeaker adopts other than ring type to be molded the design structure of washer, can increase magnetic to a certain extent
Firmness after the system component assembling of road, but in the reliability test of product, this firmness can change.In reality
In application, other than ring type is molded the structure of washer, after the test of part high temperature reliability, can produce the deformation of shell injection molding material, injection
The problems such as washer comes off or upwarps, the stable performance of impact loudspeaker, loudspeaker actual effect will be led to when serious.
Utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of loudspeaker, to solve to be molded at present washer can
By property test in be susceptible to deformation, the problems such as housing comes off or upwarps.
Loudspeaker, the conductive magnetic yoke being fixedly connected with the madial wall of housing including housing and note that the utility model provides
Mould the injection washer in the side wall being fixed on housing；It is respectively arranged with convex to the bending of conductive magnetic yoke side at the two ends of injection washer
Rise, the upper surface of the raised exposed side wall in housing；Conductive magnetic yoke is welded and fixed with projection.
Furthermore it is preferred that structure be, injection washer include two arranged in parallel on the long axis direction side wall of housing
Side washer, be respectively arranged with projection at the two ends of each side washer.
Furthermore it is preferred that structure be, conductive magnetic yoke be rectangular configuration, be provided with perpendicular with conductive magnetic yoke at the two ends of conductive magnetic yoke
Flange, flange fasten or the gluing madial wall being fixed on housing on.
Furthermore it is preferred that structure be that four corner positions of conductive magnetic yoke are welded and fixed with projection respectively.
Furthermore it is preferred that structure be, raised " z " type bending structure for being arranged on injection washer two ends.
Furthermore it is preferred that structure be that conductive magnetic yoke is connected with projecting through laser spot welding.
Furthermore it is preferred that structure be also to include the vibrational system being housed in housing；Wherein, vibrational system includes vibrating diaphragm
And it is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side.
Furthermore it is preferred that structure be also to include the magnetic circuit system being housed in housing；Wherein, magnetic circuit system includes being molded
Side magnet, the center washer inside injection washer and center washer that washer is correspondingly arranged with injection washer are correspondingly arranged
Centring magnet, and conductive magnetic yoke.
Furthermore it is preferred that structure be that centring magnet is pasted and fixed on the center near vibrating diaphragm side for the conductive magnetic yoke, Bian Ci
Iron is arranged around centring magnet；Center washer and injection washer are separately positioned on centring magnet and side magnet away from the one of conductive magnetic yoke
Side；Wherein, form magnetic gap between injection washer and side magnet and center washer and centring magnet, voice coil loudspeaker voice coil is hung on magnetic gap
Interior.
Furthermore it is preferred that structure be also to include being fixed on and be used on housing connecting the shell fragment of loudspeaker peripheral circuits；Bullet
Piece is turned on the lead of voice coil loudspeaker voice coil.
Knowable to technical scheme above, loudspeaker of the present utility model, it is respectively provided with guide at the two ends of injection washer
The projection of yoke side bending, this projection extends and the exposed upper surface to housing, by by conductive magnetic yoke and this injection washer
Exposed part is welded and fixed, and improves the combination dynamics between magnetic circuit system assembly, prevents injection washer from coming off or deforming,
Guarantee that product acoustical behavior is stable.
Brief description
By reference to below in conjunction with the explanation of accompanying drawing and the content of claims, and with to of the present utility model more
Comprehensive understanding, other purpose of the present utility model and result will be more apparent and should be readily appreciated that.In the accompanying drawings:
Fig. 1 is the loudspeaker profile according to the utility model embodiment；
Fig. 2 is the loudspeaker partial enlarged drawing according to the utility model embodiment；
Fig. 3 is the loudspeaker exploded view according to the utility model embodiment；
Fig. 4 is the loudspeaker overall structure diagram according to the utility model embodiment.
Reference therein includes: housing 1, injection washer 2, projection 21, side magnet 3, conductive magnetic yoke 4.
Identical label indicates similar or corresponding feature or function in all of the figs.
Specific embodiment
For describing loadspeaker structure of the present utility model in detail, it is embodied as to of the present utility model below with reference to accompanying drawing
Example is described in detail.
Fig. 1 and Fig. 2 respectively illustrates loudspeaker cross-section structure and partial enlargement structure according to the utility model embodiment.
As Fig. 1 and Fig. 2 is jointly shown, the loudspeaker of the utility model embodiment, including the madial wall of housing 1 and housing 1
The injection washer 2 that the conductive magnetic yoke 4 that is fixedly connected and injection are fixed in the side wall of housing 1；At the two ends of injection washer 2 respectively
Be provided with the projection 21 to the bending of conductive magnetic yoke 4 side, this projection 21 be moulded in housing 1 and the exposed side wall in housing 1 upper
On surface (upper surface), for preventing injection washer 2 from coming off or tilting, exposed projection 21 on housing 1 is welded with conductive magnetic yoke 4
Connect fixation.
Wherein, injection washer 2 can include the side China in two long axis direction side walls being moulded in housing 1 that are parallel to each other
Department, two side washers are symmetrical arranged, and the projection 21 after the two ends of each side washer are respectively provided with bending, thus will be embedded in housing
Side washer extend to the upper surface of housing, realize being welded and fixed between side washer and conductive magnetic yoke 4, now, exposed in housing
The projection 21 of upper surface has everywhere, and that is, injection washer is existed with conductive magnetic yoke 4 and is welded and fixed a little everywhere.Or, it is molded washer bag
Include the four edges washer being moulded in four side walls of housing respectively, the projection after being respectively provided with bending on each edge washer, by convex
Rise and be welded and fixed with conductive magnetic yoke, now, the exposed projection in housing upper surface has at eight, that is, injection washer and magnetic conduction have eight
Place is welded and fixed a little.
In another specific embodiment of the present utility model, loudspeaker also includes the vibrational system being housed in housing 1
With magnetic circuit system, be fixed on housing 1 and be used for connecting the shell fragment of loudspeaker peripheral circuits；Wherein, vibrational system includes vibrating diaphragm
And it is fixed on the voice coil loudspeaker voice coil of vibrating diaphragm side；Wherein, vibrating diaphragm further includes the male female knot that fixed part and fixed part are wholely set
The ring portion of structure, and it is located at the reinforcement part in ring portion；The fixed part of vibrating diaphragm passes through on the gluing side wall being fixed on housing 1.
Magnetic circuit system includes the center China being molded the washer 2 side magnet 3 being correspondingly arranged with injection washer 2, being located at injection washer 2 inner side
Take charge of the centring magnet being correspondingly arranged with center washer, and conductive magnetic yoke 4.
Specifically, centring magnet is pasted and fixed on the center near vibrating diaphragm side for the conductive magnetic yoke 4, side magnet 3 around in
Heart magnet is arranged；Center washer and injection washer 2 are separately positioned on centring magnet and side magnet 3 side away from conductive magnetic yoke 4；Its
In, form magnetic gap between centring magnet and center washer and side magnet 3 and injection washer 2, voice coil loudspeaker voice coil is hung in magnetic gap, and
Electrically connected with the lead of voice coil loudspeaker voice coil by shell fragment, realize the conducting of loudspeaker monomer peripheral circuits, when the voice coil loudspeaker voice coil being in magnetic field
When having tone currents to flow through, an alternation motive force can be subject to produce alternate motion, thus driving diaphragm oscillations, and then repeatedly push away
Dynamic air and sounding.
Further, Fig. 3 and Fig. 4 respectively illustrates the loudspeaker decomposition texture according to the utility model embodiment and entirety
Structure.
Jointly shown in conjunction with Fig. 1 to Fig. 4, the conductive magnetic yoke 4 in the utility model embodiment is rectangular plate-like structure, in magnetic conduction
The both sides of the short-axis direction of yoke 4 are respectively arranged with the flange perpendicular with conductive magnetic yoke 4, in the assembling process of loudspeaker, flange
Fasten or the gluing madial wall being fixed on housing 1 on, thus magnetic circuit system and vibrational system are housed in conductive magnetic yoke 4 and housing
In the space of 1 formation.
In this embodiment, injection washer 2 includes the side washer of two long axis direction settings along housing 1, two side China
Department is parallel to each other and is molded in the side wall being fixed on housing 1, the projection being formed after the two ends of each side washer are provided with bending
21, and this projection 21 extends to the upper surface of housing 1 exposed out by upper surface.Four corner positions and two of conductive magnetic yoke 4
The projection 21 of bar side washer is connected by laser spot welding respectively, this welding position as in Fig. 4 a partly in dotted line shown in.
Wherein, the projection 21 being arranged on injection washer 2 two ends can be " z " type bending structure, and this bending structure is on the one hand
Injection washer can be caused in housing the upper surface of housing, another convenience can form similar pad in the upper surface of housing
Pad, thus realizing and being welded and fixed of conductive magnetic yoke.Understand, this projection, it can also be provided that other structures, can extend
Upper surface to housing is contacted with conductive magnetic yoke and all may be used.
The loudspeaker of the utility model offer is provided by above-mentioned embodiment, has the advantage that
1st, injection washer connects as one structure by laser spot welding and conductive magnetic yoke, it is possible to increase between magnetic circuit system assembly
Combination dynamics；
2nd, injection washer can be prevented effectively from fall off with housing in reliability test or upwarp it is ensured that being molded China
Firmness between department and housing and reliability；
3rd, the acoustical behavior of product can be made to reach optimum it is ensured that product acoustics on the premise of ensureing product quality
Can be stable.
Above with reference to accompanying drawing describe in an illustrative manner according to the utility model proposes loudspeaker.But, this area
It will be appreciated by the skilled person that the loudspeaker that above-mentioned the utility model is proposed, can also be without departing from the utility model
Various improvement are made on the basis of appearance.Therefore, protection domain of the present utility model should be by the content of appending claims
Determine.
Claims (10)
1. a kind of loudspeaker, the conductive magnetic yoke being fixedly connected with the madial wall of described housing including housing and injection are fixed on institute
State the injection washer in the side wall of housing；It is characterized in that,
Be respectively provided with the projection of oriented described conductive magnetic yoke side bending at the two ends of described injection washer, described projection exposed in institute
State the upper surface of the side wall of housing；
Described conductive magnetic yoke is welded and fixed with described projection.
2. loudspeaker as claimed in claim 1 it is characterised in that
Described injection washer includes two side washers on the long axis direction side wall of described housing arranged in parallel, on each side
The two ends of washer are respectively arranged with projection.
3. loudspeaker as claimed in claim 1 it is characterised in that
Described conductive magnetic yoke is rectangular configuration, and the two ends of described conductive magnetic yoke are provided with the flange perpendicular with described conductive magnetic yoke, institute
State flange fasten or the gluing madial wall being fixed on described housing on.
4. loudspeaker as claimed in claim 3 it is characterised in that
Four corner positions of described conductive magnetic yoke are welded and fixed with described projection respectively.
5. loudspeaker as claimed in claim 1 it is characterised in that
Described raised " z " type bending structure for being arranged on described injection washer two ends.
6. loudspeaker as claimed in claim 1 it is characterised in that
Described conductive magnetic yoke is connected with the described laser spot welding that projects through.
7. loudspeaker as claimed in claim 1 is it is characterised in that also include the vibrational system being housed in described housing；Its
In,
The voice coil loudspeaker voice coil that described vibrational system includes vibrating diaphragm and is fixed on described vibrating diaphragm side.
8. loudspeaker as claimed in claim 7 is it is characterised in that also include the magnetic circuit system being housed in described housing；Its
In,
Described magnetic circuit system include described injection washer with described injection washer be correspondingly arranged side magnet, be located at described injection
The centring magnet that center washer inside washer is correspondingly arranged with described center washer, and described conductive magnetic yoke.
9. loudspeaker as claimed in claim 8 it is characterised in that
Described centring magnet is pasted and fixed on the center near described vibrating diaphragm side for the described conductive magnetic yoke, described side magnet around
Described centring magnet setting；
Described center washer and described injection washer are separately positioned on described centring magnet and described side magnet away from described magnetic conduction
The side of yoke；Wherein,
Form magnetic gap, described sound between described injection washer and described side magnet and described center washer and described centring magnet
Circle is hung in described magnetic gap.
10. loudspeaker as claimed in claim 7 it is characterised in that
Also include fixing and be used on the housing connecting the shell fragment of described loudspeaker peripheral circuits；
Described shell fragment is turned on the lead of described voice coil loudspeaker voice coil.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708375 | 2016-07-06 | ||
| CN2016207083758 | 2016-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205912251U true CN205912251U (en) | 2017-01-25 |
Family
ID=57805506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620752119.9U Active CN205912251U (en) | 2016-07-06 | 2016-07-15 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205912251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366327A (en) * | 2018-02-02 | 2018-08-03 | 瑞声科技(新加坡)有限公司 | Loud speaker |
-
2016
- 2016-07-15 CN CN201620752119.9U patent/CN205912251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108366327A (en) * | 2018-02-02 | 2018-08-03 | 瑞声科技(新加坡)有限公司 | Loud speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |