CN205017576U - Micro loudspeaker - Google Patents
Micro loudspeaker Download PDFInfo
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- CN205017576U CN205017576U CN201520811767.2U CN201520811767U CN205017576U CN 205017576 U CN205017576 U CN 205017576U CN 201520811767 U CN201520811767 U CN 201520811767U CN 205017576 U CN205017576 U CN 205017576U
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- protecgulum
- shell
- joint portion
- microspeaker
- land
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Abstract
The utility model discloses a micro loudspeaker relates to electro -acoustic products technical field, including combining protecgulum and shell together, the protecgulum with vibration system and magnetic circuit have been accommodated in the space that the shell encloses jointly, the protecgulum is flat structure, the the edge interval of protecgulum be equipped with a plurality of to the joint portion that the shell direction is buckled, the shell with the one end that the protecgulum combined together is equipped with a backing ring, the dull and stereotyped edge part of protecgulum combines on the backing ring, each the joint portion combines on the shell. The utility model discloses micro loudspeaker has solved among the prior art technical problem such as micro loudspeaker occupation space is big, manufacturing cost height, the utility model discloses micro loudspeaker occupation space is little, and acoustic performance is good, low in production cost, waterproof performance is better when cooperating with portable electronic equipment.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of Microspeaker.
Background technology
Microspeaker is the important acoustic element of portable electric appts, for completing the conversion between the signal of telecommunication and voice signal, is a kind of energy conversion device.Existing Microspeaker generally includes the shell and protecgulum that combine, contains vibrational system and magnetic circuit system in the space that shell and protecgulum surround.Current protecgulum is middle part and raises up, and form the borderline structure of an annular at periphery, and four of shell bights are respectively equipped with a hot molten column, the edge of protecgulum is provided with the hot melt hole of matching with hot molten column.Carry out Microspeaker assembling time, the edge of the vibrating diaphragm of vibrational system is clamped between the edge of protecgulum and the end face of shell, the hot melt borehole jack of protecgulum on the hot molten column of shell, by hot melting process secure bond.The Microspeaker of this kind of structure has the following disadvantages:
One, hot molten column takes up room greatly, is unfavorable for performance boost and the miniaturization of products development trend of Microspeaker.
Two, hot melting process production cost is high.
Three, the bond area of protecgulum and bullet pad is little, and when coordinating with portable electric appts, water resistance is poor.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of Microspeaker, the protecgulum of this Microspeaker and shell combination more conserve space, and production cost is low, and the waterproof effect between protecgulum and portable electric appts is better.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of Microspeaker, comprise the protecgulum and shell that combine, vibrational system and magnetic circuit system is contained in the space that described protecgulum and described shell surround jointly, described protecgulum is slab construction, the edge of described protecgulum is interval with multiple joint portion to the bending of described shell direction, one end that described shell combines with described protecgulum is provided with gasket ring, and the plate edge portion of described protecgulum is combined on described gasket ring, and each described joint portion combines on the housing.
Wherein, the described gasket ring position corresponding with described joint portion is provided with relief portion, and described joint portion is combined on the end face of described shell.
Wherein, the marginal position at the position that described shell combines with described joint portion is provided with the retaining wall raised up, and described retaining wall and described relief portion are surrounded by land jointly, and described joint portion is fixed in described land.
Wherein, the dull and stereotyped position of described joint portion and described protecgulum is structure as a whole, and described joint portion is then horizontally outward extended to form again to the bending of described shell direction by the rim charge of described protecgulum, and this horizontal extension is fixed in described land.
Wherein, the shape and size of described horizontal extension are consistent with the shape and size of described land.
Wherein, described joint portion is fixed in described land by coating technique.
Wherein, described vibrational system comprises vibrating diaphragm, and the edge part of described vibrating diaphragm is fixed between the end face of described gasket ring and described shell.
Wherein, described protecgulum and described shell are rectangular configuration, and described joint portion is provided with four altogether, and four described joint portions are separately positioned on four bights of described protecgulum.
Wherein, described protecgulum is metal bezel.
Wherein, described gasket ring is copper ring.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model Microspeaker comprises the protecgulum and shell combined, protecgulum is slab construction, the edge of protecgulum is interval with the joint portion of multiple outside shell side to bending, one end that shell combines with protecgulum is provided with gasket ring, the plate edge portion of protecgulum is combined on gasket ring, and each joint portion is combined on shell.When carrying out Microspeaker assembling, by gluing, bonding or welding procedure is fixed on shell in joint portion, and this kind of structure makes the utility model Microspeaker have the following advantages compared with the existing Microspeaker combined by hot melt:
One, joint portion takes up room little, when the external dimensions as Microspeaker is constant, can obtain larger intracavity space, is conducive to the size increasing inner each parts, thus can improves the acoustical behavior of Microspeaker; Inside dimension as Microspeaker is constant, then can reduce its external dimensions, is conducive to Microspeaker to frivolous, small and exquisite future development.
Two, gluing is bonding or welding procedure cost compared with hot melting process is lower, and operation is simpler, thus improves the production efficiency of Microspeaker, reduces production cost.
Three, the protecgulum of slab construction adds the bond area of itself and bullet pad, and when coordinating with portable electric appts, water resistance is better.
Because shell is provided with the retaining wall raised up, retaining wall and relief portion surround land jointly, and joint portion is fixed in land.Retaining wall can play the effect of location when Microspeaker assembles, reduce the difficulty of assembling, improves the efficiency of assembling and the yields of product; Retaining wall can also play the effect of the excessive glue of collecting or flash simultaneously, is more conducive to the aesthetic property improving Microspeaker outside.
Because protecgulum is metal bezel, metal bezel thickness while effectively protecting vibrating diaphragm is less, thus makes the integral thickness of Microspeaker less, is more conducive to the slimming development of Microspeaker.
Because gasket ring is copper ring, copper ring can play better supporting role to vibrating diaphragm, thus can adopt thinner vibrating diaphragm, makes the quality of vibrational system lighter, is more conducive to improving the sensitivity of Microspeaker and overall acoustical behavior.
In sum, the utility model Microspeaker solves that Microspeaker in prior art takes up room greatly, production cost high-technology problem, and the utility model Microspeaker takes up room little, and acoustical behavior is good, and production cost is low; When coordinating with portable electric appts, water resistance is better.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model Microspeaker;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the A-A line cutaway view of Fig. 2;
In figure: 10, protecgulum, 12, joint portion, 14, phonate hole, 20, shell, 22, land, 24, retaining wall, 30, gasket ring, 32, relief portion, 40, vibrating diaphragm, 42, ball top, 44, voice coil loudspeaker voice coil.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The side at nearly Microspeaker center is depended in the inner side related in this specification, and outside refers to the side away from Microspeaker center; The orientation related in this specification refers to the direction being provided with vibrational system, under orientation, refer to the direction being provided with magnetic circuit system.
As Fig. 1 and Fig. 2 jointly shown in, a kind of Microspeaker, for rectangular configuration, comprise the shell 20 and protecgulum 10 that combine, shell 20 is the circulus of the both ends open surrounded by four sidewalls, contains vibrational system and magnetic circuit system (not shown) in the space that shell 20 and protecgulum 10 surround.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, protecgulum 10 is slab construction, the edge that protecgulum is 10 4 jiaos is respectively provided with the joint portion 12 of a bending downwards, and joint portion 12 is structure as a whole with the dull and stereotyped position of protecgulum 10, is bent downwards by the bight rim charge of protecgulum 10 then horizontally outward to extend to form again.Combine with protecgulum 10 four corner edge positions of holding of shell 20 are respectively equipped with one with the sidewall one of shell 20 and retaining wall 24, four retaining walls 24 raised up are right-angle structure.The end face that shell 20 is provided with retaining wall 24 is fixed with a gasket ring 30, and four bights of gasket ring 30 are equipped with a relief portion 32, and retaining wall 24 and relief portion 32 are surrounded by the land 22 of right angle trigonometry shape jointly.The height of the part bending down of joint portion 12 is consistent with the thickness of gasket ring 30, the shape and size of the horizontal extension of joint portion 12 are consistent with the shape and size of land 22, namely the end of horizontal extension is right-angle structure, and this horizontal extension is fixed in land 22.The plate edge portion of protecgulum 10 is combined on gasket ring 30, and the edge that namely protecgulum 10 is not provided with joint portion 12 combines with gasket ring 30.
As shown in Figure 2, protecgulum 10 is metal material, the preferred protecgulum 10 of present embodiment is stainless steel protecgulum, joint portion 12 is fixed in land 22 by coating technique, the land 22 of depression serves the effect holding glue, namely ensure that the firmness that protecgulum 10 is combined with shell 20, be more conducive to the aesthetic property promoting Microspeaker simultaneously.
As shown in Figure 1, Figure 2 with Fig. 3 jointly shown in, vibrational system comprises vibrating diaphragm 40, the edge part of vibrating diaphragm 40 is fixed between gasket ring 30 and shell 20, vibrating diaphragm 40 is fixed with voice coil loudspeaker voice coil 44 near the side of magnetic circuit system, vibrating diaphragm 40 is fixed with ball top 42 near the middle part of the side of protecgulum 10, and the end of voice coil loudspeaker voice coil 44 is positioned at the magnetic gap of magnetic circuit system.The middle part of protecgulum 10 is provided with phonate hole 14, and vibrational system instigates sound that air sends is radiated Microspeaker outside from phonate hole 14.
As Fig. 1 and Fig. 3 jointly shown in, gasket ring 30 is becket, and in present embodiment, preferred gasket ring 30 is copper ring.
The utility model is by being set as slab construction by protecgulum, and by gasket ring isolation protecgulum and vibrating diaphragm, be only provided with the joint portion combined with shell in the bight of protecgulum, namely saved space, reduce production cost, also improve the water resistance between Microspeaker and portable electric appts simultaneously.
The utility model above-described embodiment is only, to the utility model, protecgulum is set as slab construction, and by gasket ring isolation protecgulum and vibrating diaphragm, illustrating of the technical scheme of the joint portion combined with shell is only provided with in the bight of protecgulum, the technical program is not only applicable to the Microspeaker of above-mentioned rectangular configuration, it is also applicable to circle, in the oval and isostructural Microspeaker of track type, those skilled in the art do not need to pay any creative work according to the description of above-described embodiment and just can be applied in the Microspeaker of other structure by the technical solution of the utility model, therefore no matter whether other structure of Microspeaker is same as the previously described embodiments, as long as protecgulum is slab construction, the joint portion being located at the downward bending of protecgulum edge part by interval is combined with shell, in order to conserve space, the product reducing production cost all falls in protection range of the present utility model.
The utility model is not limited to above-mentioned concrete execution mode, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, all drop within protection range of the present utility model.
Claims (10)
1. Microspeaker, comprise the protecgulum and shell that combine, vibrational system and magnetic circuit system is contained in the space that described protecgulum and described shell surround jointly, it is characterized in that, described protecgulum is slab construction, and the edge of described protecgulum is interval with multiple joint portion to the bending of described shell direction, and one end that described shell combines with described protecgulum is provided with gasket ring, the plate edge portion of described protecgulum is combined on described gasket ring, and each described joint portion combines on the housing.
2. Microspeaker according to claim 1, is characterized in that, the described gasket ring position corresponding with described joint portion is provided with relief portion, and described joint portion is combined on the end face of described shell.
3. Microspeaker according to claim 2, it is characterized in that, the marginal position at the position that described shell combines with described joint portion is provided with the retaining wall raised up, and described retaining wall and described relief portion are surrounded by land jointly, and described joint portion is fixed in described land.
4. Microspeaker according to claim 3, it is characterized in that, the dull and stereotyped position of described joint portion and described protecgulum is structure as a whole, described joint portion is then horizontally outward extended to form again to the bending of described shell direction by the rim charge of described protecgulum, and this horizontal extension is fixed in described land.
5. Microspeaker according to claim 4, is characterized in that, the shape and size of described horizontal extension are consistent with the shape and size of described land.
6. Microspeaker according to claim 5, is characterized in that, described joint portion is fixed in described land by coating technique.
7. the Microspeaker according to the arbitrary claim of claim 1 to 6, is characterized in that, described vibrational system comprises vibrating diaphragm, and the edge part of described vibrating diaphragm is fixed between the end face of described gasket ring and described shell.
8. Microspeaker according to claim 7, is characterized in that, described protecgulum and described shell are rectangular configuration, and described joint portion is provided with four altogether, and four described joint portions are separately positioned on four bights of described protecgulum.
9. Microspeaker according to claim 8, is characterized in that, described protecgulum is metal bezel.
10. Microspeaker according to claim 9, is characterized in that, described gasket ring is copper ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811767.2U CN205017576U (en) | 2015-10-19 | 2015-10-19 | Micro loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520811767.2U CN205017576U (en) | 2015-10-19 | 2015-10-19 | Micro loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205017576U true CN205017576U (en) | 2016-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520811767.2U Active CN205017576U (en) | 2015-10-19 | 2015-10-19 | Micro loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205017576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331961A (en) * | 2016-09-30 | 2017-01-11 | 歌尔股份有限公司 | Micro acoustic generator |
| CN110087171A (en) * | 2018-01-25 | 2019-08-02 | 张侠辅 | Cover the 3D vibrating membrane loudspeaker of matrix |
| WO2020133911A1 (en) * | 2018-12-29 | 2020-07-02 | 歌尔股份有限公司 | Processing method for front cover, front cover, and sound production device |
-
2015
- 2015-10-19 CN CN201520811767.2U patent/CN205017576U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106331961A (en) * | 2016-09-30 | 2017-01-11 | 歌尔股份有限公司 | Micro acoustic generator |
| CN110087171A (en) * | 2018-01-25 | 2019-08-02 | 张侠辅 | Cover the 3D vibrating membrane loudspeaker of matrix |
| WO2020133911A1 (en) * | 2018-12-29 | 2020-07-02 | 歌尔股份有限公司 | Processing method for front cover, front cover, and sound production 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. |