CN104301844A - Micro electroacoustic device and manufacturing and assembling method thereof - Google Patents
Micro electroacoustic device and manufacturing and assembling method thereof Download PDFInfo
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- CN104301844A CN104301844A CN201410633286.7A CN201410633286A CN104301844A CN 104301844 A CN104301844 A CN 104301844A CN 201410633286 A CN201410633286 A CN 201410633286A CN 104301844 A CN104301844 A CN 104301844A
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Abstract
The invention relates to the technical field of electrical equipment, particularly to a micro electroacoustic device and a manufacturing and assembling method thereof. A pole piece embedding body and a magnetic steel embedding body on the side are arranged for a pole piece and magnetic steel in the micro electroacoustic device; a groove is formed in the corresponding position of the inner wall of a basin rack; the pole piece and the magnetic steel are embedded in the groove through the pole piece embedding body and the magnetic steel embedding body for realizing nesting and fixed connection among the pole piece, the magnetic steel and the basin rack. In the prior art, the fixed connection among the pole piece, the magnetic steel and the basin rack is realized through bonding of glue, and the bonding and fixed connection structure is easy to generate looseness or magnetic circuit detachment when the structure is impacted or vibrated. Compared with the prior art, the micro electroacoustic device and the manufacturing and assembling method thereof provided by the invention improve the structural stability.
Description
Technical field
The present invention relates to technical field of electrical equipment, particularly relate to a kind of Minimized electro-acoustic device and manufacture assembly method.
Background technology
For electric equipment product, structure be firmly the basis of guaranteeing that product is permanent practical.Wherein, for Minimized electro-acoustic device, the frame included by it, pole piece and magnet steel are important component parts.
In recent years, being assemblied in structural stability integrally for pole piece, magnet steel and frame requires more and more higher.Therefore, the design object that structural stability becomes Minimized electro-acoustic device is improved.
As shown in Figure 1, pole piece and magnet steel are assembled in frame prior art respectively, and pole piece and magnet steel are in fit-state, common mode for by glue by pole piece, magnet steel and frame three by determining that position is bonded as one.The pole piece that this mode is fixed on one is easily separated with magnet steel and comes off, in product testing or use procedure, when run into impact or vibrations time, easily " magnetic circuit comes off " phenomenon occurs, so-called magnetic circuit, it is the assembly of pole piece and magnet steel.Thus, will the functional realiey of Minimized electro-acoustic device be made to be difficult to be protected, the so unstable structure form that is connected be defect of the prior art.
In above-mentioned prior art, the defect of pole piece, fixing mechanism instability between magnet steel and frame three is the current technical issues that need to address of those skilled in the art.
Summary of the invention
The object of this invention is to provide a kind of Minimized electro-acoustic device and manufacture assembly method, the fixing mechanism stability of the pole piece in this Minimized electro-acoustic device, magnet steel and frame three is strong.
For solving the problems of the technologies described above, the invention provides a kind of Minimized electro-acoustic device, comprise magnet steel, pole piece and frame, described magnet steel and the laminating of described pole piece overlap joint, the inwall of described frame is provided with for embedding and the groove of be connected described pole piece and described magnet steel, the avris of described pole piece is provided with the pole piece embedded body that arrange corresponding to described groove, and the avris of described magnet steel is provided with the magnet steel embedded body that arrange corresponding to described groove.
Preferably, also comprise the groove being arranged at described frame sidewall, described pole piece is provided with the pole piece boss for being connected with described groove grafting.
Preferably, described pole piece boss and corresponding described groove are two groups to four groups.
Preferably, described pole piece boss is set to two groups with corresponding described groove.
Preferably, described groove comprises the first groove and the second groove that are symmetricly set in described pole piece and described magnet steel both sides, described pole piece embedded body comprises the first pole piece embedded body and the second pole piece embedded body that embed with described first groove and described second groove respectively and be connected, and described magnet steel embedded body comprises the first magnet steel embedded body and the second magnet steel embedded body that embed with described first groove and described second groove respectively and be connected.
Preferably, be connected described in the integral type injection moulding be positioned for described pole piece and described magnet steel under frame mould state.
The present invention also provides a kind of manufacture assembly method of Minimized electro-acoustic device, comprising:
Step 10), pole piece 3 and magnet steel 2 are positioned frame mould;
Step 20), apply described frame mold injection, obtain the frame, pole piece and the magnet steel that are fixed on one.
For the magnet steel in Minimized electro-acoustic device, pole piece and frame, magnet steel and pole piece are the states overlapped of fitting, in the relevant position of frame, groove is set, magnet steel is corresponded to the structure division called after magnet steel embedded body of groove, correspondingly, pole piece is corresponded to the structure division called after pole piece embedded body of groove, magnet steel embedded body and pole piece embedded body being embedded is fixed in the groove of frame, so, just achieve magnet steel and pole piece respectively with the fixing mechanism of frame, correspondingly, the structure between pole piece and magnet steel is also fixed.Compared to the poor performance of the shock-resistant and vibration that the fixed structure by glue, each part being adhered to one in prior art causes, the shortcoming that structural stability is low, realize being connected with the nested mode of corresponding part by groove structure in the present invention, improve the stability of fixing mechanism.
Another preferred embodiment in, the sidewall of frame is arranged groove, pole piece boss is set in the relevant position of pole piece, by the grafting of pole piece boss enter in groove realize be connected, under normal circumstances, the effect that is connected that grafting penetrates the version of groove is more excellent.
Manufacture in the preferred implementation of assembly method at a kind of Minimized electro-acoustic device, pole piece and magnet steel are arranged in the injection mold of frame, the frame obtained by injection moulding, pole piece and magnet steel integrative-structure, this three further increases the stability be connected while nested being connected.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is structural representation of the prior art;
Fig. 2 is magnet steel profile schematic diagram of the prior art;
Fig. 3 is pole piece profile schematic diagram of the prior art;
Fig. 4 is the structural representation in the present invention;
Fig. 5 is the magnet steel profile schematic diagram in the present invention;
Fig. 6 is the pole piece profile schematic diagram in the present invention;
Fig. 7 is the cross-sectional schematic in the present invention;
Wherein, in Fig. 1 to Fig. 3: frame-1, magnet steel-2, pole piece-3;
In Fig. 4 to Fig. 7: frame-1, groove-11, magnet steel-2, magnet steel embedded body-21, pole piece-3, pole piece embedded body-31, pole piece boss-32.
Embodiment
Core of the present invention is to provide a kind of Minimized electro-acoustic device and manufactures assembly method, and this invention significantly improves structural stability compared to prior art.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 4 to Fig. 7, following embodiment will be discussed according to Fig. 4 to Fig. 7.
According to figure, the pole piece 3 of overlap joint laminating is respectively equipped with pole piece embedded body 31 and magnet steel embedded body 21 with the avris of magnet steel 2, so-called pole piece embedded body 31, as pole piece 3 part of the whole, its main application is connected mutually with frame 1 pole piece 3 entirety, magnet steel embedded body 21 is as a part for magnet steel 2, and its effect is equal to pole piece embedded body 31, is connected with frame 1 by magnet steel 2 entirety.Corresponding, the inwall of frame 1 is provided with groove, and the thickness of groove and distance equidimension hold the nested of pole piece embedded body 31 and magnet steel embedded body 21 just, are connected for the location of pole piece 3 and magnet steel 2 to form frame 1.In prior art, the pole piece 3 of overlap joint laminating and magnet steel 2, and be connected by glue is bonding both it with between frame 1, this attachment is when being impacted or shake, easy generation loosens, especially, when magnet steel 2 comes off, produce " magnetic circuit comes off " phenomenon, the functional realiey of Minimized electro-acoustic device is hindered, in contrast to defect of the prior art, Minimized electro-acoustic device provided by the present invention, its sound construction, the stability be connected is strong.
Further, groove in above-mentioned embodiment is arranged on the both sides of pole piece 3 and magnet steel 2, so-called both sides, according to the structure respective settings of actual pole piece 3 and magnet steel 2, ensure to realize being connected of symmetric position to pole piece 3 and magnet steel 2, groove called after first groove of both sides and the second groove, pole piece embedded body 31 is set to the first pole piece embedded body and the second pole piece embedded body corresponding to the first groove and the second groove, in like manner, the first magnet steel embedded body and the second magnet steel embedded body are set.So, realize frame 1 pair of pole piece 3 and be connected at the nested of symmetric position with magnet steel 2, structural stability is improved further.Certainly, according to the vibrational power flow of frame in Minimized electro-acoustic device 1, pole piece 3 and magnet steel 2, groove can be set and at more location point, with magnet steel embedded body 21, nested being connected be carried out to pole piece embedded body 31, to reach optimized fixing mechanism.
In another embodiment, the sidewall of frame 1 arranges groove 11, pole piece boss 32 is set at the correspondence position of pole piece 3 avris, be plugged in groove 11 by pole piece boss 32 and realize being connected.Groove 11 is compared to groove, it has the more contact area with pole piece 3, pole piece boss 32 is plugged in the structure of groove 11, can arrange pole piece boss 32 is common rectangular configuration, pole piece boss 32 also can be set for other version is to promote the stability that is connected, such as, the structure that pole piece boss 32 is " step " formula can be set, namely pole piece boss 32 is containing great Tai and little Tai, arrange little between large platform and pole piece 3 body, when pole piece boss 32 so is plugged in corresponding groove 11, add in " the locking face " that stop pole piece boss 32 " exiting ", the effect that makes to be connected is more excellent.
Further, pole piece boss 32 and the groove 11 of corresponding setting are two groups to four groups, to improve overall structure stability.
Above in each embodiment, for nested being connected of magnet steel embedded body 21 and pole piece embedded body 31 pairs of grooves, and the grafting between pole piece boss 32 and groove 11 is connected, being connected in above two kinds of structures, can by pole piece 3 and magnet steel 2 be positioned in frame mould, so-called frame mould, it is the mould for the manufacture of frame 1, due to the manufactured goods of the frame 1 normally high molecular polymer such as plastics or rubber, its usual acquisition means are shaping to high polymer molded by mould.Above pole piece 3 and magnet steel 2 are positioned at the relevant position in frame mould, while acquisition frame 1, frame 1 and the various fixing mechanisms between pole piece 3 and magnet steel 2 are achieved.Fixing mechanism so substantially increases pole piece 3, the stability that is connected between magnet steel 2 and frame 1.
Common Minimized electro-acoustic device comprises loud speaker and receiver.
Manufacture at a kind of Minimized electro-acoustic device in the embodiment of assembly method, pole piece 3 and magnet steel 2 are positioned frame mould; Application frame mould carries out injection moulding, obtains frame 1.In acquisition frame 1, magnet steel embedded body 21 is nested with pole piece embedded body 31 to be connected in the groove of frame 1, and between pole piece boss 32 and groove 11, grafting is connected.So-called frame mould is the mould for the manufacture of frame 1, and due to the manufactured goods of the frame 1 normally high molecular polymer such as plastics or rubber, its usual acquisition means are shaping to high polymer molded by mould.Above pole piece 3 and magnet steel 2 are positioned at the relevant position in frame mould, while acquisition frame 1, frame 1 and the various fixing mechanisms between pole piece 3 and magnet steel 2 are achieved.Fixing mechanism so considerably improves pole piece 3, the stability that is connected between magnet steel 2 and frame 1.
Claims (7)
1. a Minimized electro-acoustic device, comprise magnet steel (2), pole piece (3) and frame (1), described magnet steel (2) and the laminating of described pole piece (3) overlap joint, it is characterized in that, the inwall of described frame (1) is provided with for embedding and the groove of be connected described pole piece (3) and described magnet steel (2), the avris of described pole piece (3) is provided with the pole piece embedded body (31) that arrange corresponding to described groove, and the avris of described magnet steel (2) is provided with the magnet steel embedded body (21) that arrange corresponding to described groove.
2. Minimized electro-acoustic device as claimed in claim 1, it is characterized in that, also comprise the groove (11) being arranged at described frame (1) sidewall, described pole piece (3) is provided with the pole piece boss (32) for being connected with described groove (11) grafting.
3. Minimized electro-acoustic device as claimed in claim 2, it is characterized in that, described pole piece boss (32) is two groups to four groups with corresponding described groove (11).
4. Minimized electro-acoustic device as claimed in claim 3, it is characterized in that, described pole piece boss (32) is set to two groups with corresponding described groove (11).
5. Minimized electro-acoustic device as claimed in claim 1, it is characterized in that, described groove comprises the first groove and the second groove that are symmetricly set in described pole piece (3) and described magnet steel (2) both sides, described pole piece embedded body (31) comprises the first pole piece embedded body and the second pole piece embedded body that embed with described first groove and described second groove respectively and be connected, and described magnet steel embedded body (21) comprises the first magnet steel embedded body and the second magnet steel embedded body that embed with described first groove and described second groove respectively and be connected.
6. the Minimized electro-acoustic device as described in any one of claim 1 to 5, is characterized in that, described in be connected the integral type injection moulding be positioned for described pole piece and described magnet steel under frame mould state.
7. Minimized electro-acoustic device manufactures an assembly method, it is characterized in that, comprising:
Step 10), pole piece 3 and magnet steel 2 are positioned frame mould;
Step 20), apply described frame mold injection, obtain the frame, pole piece and the magnet steel that are fixed on one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633286.7A CN104301844A (en) | 2014-11-11 | 2014-11-11 | Micro electroacoustic device and manufacturing and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633286.7A CN104301844A (en) | 2014-11-11 | 2014-11-11 | Micro electroacoustic device and manufacturing and assembling method thereof |
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| Publication Number | Publication Date |
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| CN104301844A true CN104301844A (en) | 2015-01-21 |
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| CN201410633286.7A Pending CN104301844A (en) | 2014-11-11 | 2014-11-11 | Micro electroacoustic device and manufacturing and assembling method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947433U (en) * | 2010-12-21 | 2011-08-24 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN203340280U (en) * | 2013-07-02 | 2013-12-11 | 山东共达电声股份有限公司 | Minitype electro-acoustic converter |
| CN204157048U (en) * | 2014-11-11 | 2015-02-11 | 山东共达电声股份有限公司 | A kind of Minimized electro-acoustic device |
-
2014
- 2014-11-11 CN CN201410633286.7A patent/CN104301844A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947433U (en) * | 2010-12-21 | 2011-08-24 | 瑞声声学科技(深圳)有限公司 | Electromagnetic loudspeaker |
| CN203340280U (en) * | 2013-07-02 | 2013-12-11 | 山东共达电声股份有限公司 | Minitype electro-acoustic converter |
| CN204157048U (en) * | 2014-11-11 | 2015-02-11 | 山东共达电声股份有限公司 | A kind of Minimized electro-acoustic device |
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Application publication date: 20150121 |