CN109803214B - Loudspeaker and gluing method of cover plate and single body of loudspeaker - Google Patents
Loudspeaker and gluing method of cover plate and single body of loudspeaker Download PDFInfo
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- CN109803214B CN109803214B CN201811647044.8A CN201811647044A CN109803214B CN 109803214 B CN109803214 B CN 109803214B CN 201811647044 A CN201811647044 A CN 201811647044A CN 109803214 B CN109803214 B CN 109803214B
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- Prior art keywords
- annular groove
- sound
- wall
- loudspeaker
- fixed part
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- 238000004026 adhesive bonding Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 34
- 239000000178 monomer Substances 0.000 claims abstract description 34
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 18
- 239000012528 membrane Substances 0.000 claims abstract description 11
- 210000002421 cell wall Anatomy 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 description 29
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention provides a loudspeaker and a gluing method of a cover plate and a single body thereof, comprising the following steps: the sound generating device comprises a shell and a sound generating unit; the casing includes apron and bottom plate, apron and bottom plate cooperate and form and hold the chamber, the sound production monomer is fixed and is holding in the chamber, the sound production monomer includes the sound membrane, the sound membrane is including ring folding portion and first fixed part, the diapire of apron forms second fixed part and protruding wall, the annular groove has been seted up on the second fixed part, the annular groove sets up relatively with first fixed part and the annular groove keep away from the first cell wall tip top of protruding wall on first fixed part, the annular groove can liquid adhesive, form between the free lateral wall face of orientation sound production of protruding wall and the free outer wall face of sound production with the clearance of annular groove intercommunication. The invention solves the problem that when the loudspeaker cover plate is bonded with the sounding monomer, the adhesive easily pollutes the sound film, thereby causing poor performance of the loudspeaker.
Description
[ technical field ] A method for producing a semiconductor device
The invention belongs to the technical field of sounders, and particularly relates to a loudspeaker and a gluing method of a cover plate and a single body of the loudspeaker.
[ background of the invention ]
The working principle of the loudspeaker is that when the current flows in the voice coil in the magnetic gap formed by the magnets, the voice coil generates a vertical driving force to vibrate the vibrating body, so that air is vibrated, sound is transmitted out, and electro-acoustic conversion is completed. The key to determine the tone quality and tone color of a speaker comes from the sounding unit. In the prior art, the sounding monomer is generally directly fixed by glue, but the glue amount is difficult to control, and if the glue amount is small, the pressure maintaining glue layer is too thin, so that local glue breaking is easily caused, and poor waterproof performance is caused; if the glue amount is large, the glue is easy to overflow to pollute the sound film during pressure maintaining, and the product performance is poor.
[ summary of the invention ]
The invention aims to provide a loudspeaker and a gluing method of a cover plate and a single body of the loudspeaker, and aims to solve the problem that glue easily overflows to pollute a sound film when the cover plate of the loudspeaker and a sounding single body are glued in the prior art, so that the performance of the loudspeaker is poor.
The technical scheme of the invention is as follows: a loudspeaker, comprising: the sound generating device comprises a shell and a sound generating unit; the casing includes apron and bottom plate, the apron with the bottom plate cooperatees and forms and hold the chamber, the sound production monomer includes the sound membrane, the sound membrane includes ring folding portion and first fixed part, the diapire of apron forms second fixed part and protruding wall, the annular groove has been seted up on the second fixed part, the annular groove with first fixed part sets up relatively just annular groove's the first cell wall tip of keeping away from protruding wall is in on the first fixed part, fill liquid adhesive in the annular groove, the orientation of protruding wall the free lateral wall face of sound production with form between the free outer wall face of sound production with the clearance of annular groove intercommunication.
Furthermore, the side wall surface of the convex wall close to the annular groove is parallel to and flatly connected with the second groove wall surface of the annular groove.
Furthermore, the convex wall is provided with an inclined plane, the inclined plane and the outer wall of the sounding monomer form a triangular groove, and the triangular groove is communicated with the gap.
Furthermore, an opening is formed in the bottom wall of the cover plate, and a steel sheet covers the opening.
Further, the loudspeaker is the loudspeaker, and the gluing method comprises the following steps:
the liquid adhesive is punched in the annular groove;
and pressing the first fixing part of the sounding monomer on the second fixing part, wherein at the moment, the end part of the first groove wall of the annular groove, which is far away from the convex wall, is abutted against the first fixing part so as to prevent the liquid adhesive from overflowing to the sound film, and the blocked liquid adhesive overflows to a gap, which is formed between the side wall surface of the convex wall, which faces the sounding monomer, and the outer wall surface of the sounding monomer and is communicated with the annular groove.
Further, the gluing method further comprises: and after the first fixing part and the second fixing part of the sounding monomer are glued, maintaining the pressure of the liquid adhesive between the sounding monomer and the cover plate.
Further, the gluing method further comprises: the liquid adhesive is filled for the second time in the triangular groove after the pressure maintaining is completed on the liquid adhesive between the sounding monomer and the cover plate, and the liquid adhesive overflows to the gap to fill the gap between the side wall surface of the sounding monomer and the outer wall surface of the sounding monomer.
The invention has the beneficial effects that: the loudspeaker comprises a shell and a sounding monomer; the casing includes apron and bottom plate, apron and bottom plate cooperate and form and hold the chamber, the sound production monomer includes the sound membrane, the sound membrane is including ring portion and first fixed part, the diapire of apron forms second fixed part and protruding wall, the annular groove has been seted up on the second fixed part, the annular groove sets up and the annular groove first cell wall tip top of keeping away from protruding wall relatively with first fixed part is on first fixed part, fill liquid adhesive in the annular groove, form the clearance that communicates with the annular groove between the free lateral wall face of orientation sound production and the free outer wall of sound production of protruding wall. And when the first fixing part is glued on the second fixing part, the end part of the first groove wall of the annular groove is abutted against the first fixing part to prevent the liquid adhesive from overflowing to the sound film, and at the moment, the rest of the liquid adhesive is contained in the gap. By applying the technical scheme of the invention, the problem that when the sounding monomer is bonded with the cover plate, the liquid adhesive overflows to the sound film to pollute the sound film, so that the performance of the loudspeaker is poor is solved.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a loudspeaker in an embodiment of the invention;
FIG. 2 is a schematic view of the exploded structure of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a top view of the removed sheet of steel of FIG. 1;
FIG. 5 is a schematic structural diagram of a cover plate in an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken at perspective A-A of FIG. 3;
fig. 7 is a partial enlarged view at C of fig. 6;
fig. 8 is a partial enlarged view at B of fig. 5;
in the drawings, each reference numeral denotes:
10. a cover plate; 11. a second fixed part; 12. a convex wall; 111. an annular groove; 1111. a first slot wall end; 12a, a side wall surface; 20. a sounding monomer; 20a, an outer wall surface; 21. a folded ring part; 22. a first fixed part; 30. a liquid adhesive; 40. a gap; 50. a triangular groove; 60. a steel sheet; 70. double-sided adhesive tape; 80. a base plate.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.
Referring to fig. 1-8, a preferred embodiment of a speaker according to the present invention is shown. A loudspeaker, comprising: a housing and a sound generating unit 20; the casing includes apron 10 and bottom plate 80, apron 10 and bottom plate 80 cooperate and form and hold the chamber, sound production monomer 20 includes the sound membrane, the sound membrane is including ring 21 and first fixed part 22, the diapire of apron 10 forms second fixed part 11 and protruding wall 12, annular groove 111 has been seted up on the second fixed part 11, annular groove 111 sets up and annular groove 111 relatively with first fixed part 22 and keeps away from first cell wall tip 1111 top of protruding wall 12 on first fixed part 22, fill liquid adhesive 30 in the annular groove 111, form the clearance 40 that communicates with annular groove 111 between the lateral wall face 12a of protruding wall 12 towards sound production monomer 20 and the outer wall face 20a of sound production monomer 20.
In the invention, the sounding single body 20 is fixedly arranged in the accommodating cavity formed by the cover plate 10 and the bottom plate 80, and the sounding single body 20 is fixedly glued with the cover plate 10 through the liquid adhesive 30. In order to glue the sound generating unit 20 on the cover plate 10, the bottom wall of the cover plate 10 forms a second fixing portion 11 and a convex wall 12 towards the sound generating unit 20, the sound membrane is provided with a folded ring portion 21 and a first fixing portion 22, the first fixing portion 22 is circumferentially arranged at the edge of the folded ring portion 21, and the sound generating unit 20 and the cover plate 10 are fixedly connected through the first fixing portion 22 and the second fixing portion 11. In order to prevent the liquid adhesive 30 from overflowing to the sound film, in the present technical solution, an annular groove 111 is formed on the second fixing portion 11, the annular groove 111 is disposed opposite to the first fixing portion 22, the liquid adhesive 30 is filled in the annular groove 111, when the sound-generating unit 20 is pressed on the cover plate 10, a first groove wall end 1111 of the annular groove 111 far away from the protruding wall 12 abuts against the first fixing portion 22 to prevent the liquid adhesive 30 from overflowing to the sound film, a gap 40 is formed between an outer wall surface 20a of the sound-generating unit 20 and a side wall surface 12a of the protruding wall 12 facing the sound-generating unit 20, and the gap 40 accommodates the remaining liquid adhesive 30. By applying the technical scheme of the invention, the problem that when the sounding monomer 20 is bonded with the cover plate 10, the liquid adhesive 30 overflows to the sound film to pollute the sound film, so that the performance of the loudspeaker is poor is solved.
Preferably, the side wall surface 12a of the convex wall 12 near the annular groove 111 is disposed in parallel with and smoothly connected to the second groove wall surface of the annular groove 111. Further, the protruding wall 12 is provided with an inclined surface forming a triangular groove 50 with the outer wall surface 20a of the sounding unit 20, and the triangular groove 50 communicates with the gap 40. The inclined plane is arranged on the convex wall 12, and the triangular groove 50 formed by the inclined plane and the outer wall surface 20a of the sound generating single body 20 is communicated with the gap 40, so that the subsequent glue supplementing work is facilitated, and the gluing between the sound generating single body 20 and the cover plate 10 is ensured to be stable enough.
Further, an opening is opened on the bottom wall of the cover plate 10, the opening is covered with a steel sheet 60, and the steel sheet 60 is covered on the opening of the cover plate 10 through a double-sided adhesive tape 70. The steel sheet 60 is additionally arranged on the cover plate 10, so that heat dissipation of the loudspeaker during working is facilitated, and normal working of the loudspeaker is ensured.
The cover plate 10 and the sound generating unit 20 of the speaker are bonded together by a liquid adhesive 30, as shown in fig. 6 to 8, and the bonding method includes the following steps:
(1) a circle of sufficient liquid adhesive 30 is punched in the annular groove 111, and in the technical scheme, the liquid adhesive 30 is waterproof glue;
(2) after the waterproof glue is applied, the first fixing portion 22 of the sound-generating unit 20 is pressed on the second fixing portion 11 of the cover plate 10, at this time, the first groove wall end 1111 of the annular groove 111 far away from the convex wall 12 abuts against the first fixing portion 22 to prevent the waterproof glue from overflowing to the sound film, and the blocked waterproof glue overflows to the gap 40 formed between the side wall surface 12a of the convex wall 12 facing the sound-generating unit 20 and the outer wall surface 20a of the sound-generating unit 20.
(3) After the first fixing portion 22 of the sounding unit 20 and the second fixing portion 11 of the cover plate 10 are glued, the waterproof glue between the sounding unit 20 and the cover plate 10 is maintained.
(4) After the pressure maintaining work of the waterproof glue between the sound generating unit 20 and the cover plate 10 is completed, the glue is applied for the second time in the triangular groove 50 according to actual needs, and the waterproof glue overflows to the gap 40 to supplement the glue to the gap 40 between the side wall surface 12a of the convex wall 12 facing the sound generating unit 20 and the outer wall surface 20a of the sound generating unit 20.
The method comprises a series of steps of gluing and pressing, pressure maintaining, glue supplementing and the like, wherein in the gluing and pressing process, the annular groove 111, the first groove wall end portion 1111 of the annular groove 111, the gap 40 and other structures are matched with each other, so that the sufficient amount of waterproof glue can be ensured to stably glue the cover plate 10 and the sounding monomer 20, and the waterproof glue is prevented from overflowing to the sound film to pollute the sound film. Meanwhile, the triangular groove 50 is communicated with the gap 40, so that the subsequent glue filling work is facilitated, and the gluing stability between the cover plate 10 and the sounding unit 20 is further ensured.
According to the invention, the second fixing part 11 is provided with the annular groove 111 to contain sufficient liquid waterproof glue, the side wall surface 12a of the convex wall 12 close to the annular groove 111 and the second groove wall surface of the annular groove 111 are arranged in parallel and are smoothly connected, a gap 40 is formed between the side wall surface 12a and the outer wall surface 20a of the sounding monomer 20, and the gap 40 is used for containing the residual waterproof glue; the first slot wall end 1111 of the annular groove 111 far from the convex wall 12 abuts against the first fixing portion 22 to prevent the liquid waterproof glue from overflowing to the sound diaphragm. Under the cooperation of the gap 40 and the first groove wall end 1111 of the annular groove 111, the gluing strength between the sounding single body 20 and the cover plate 10 is ensured, and the waterproof glue is also ensured not to overflow to the sound film. Meanwhile, the formation of the triangular groove 50 enables the subsequent glue filling work to be performed quickly. By applying the technical scheme, the quality of the sound film and the gluing quality between the sounding unit 20 and the cover plate 10 are ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A loudspeaker, comprising: the sound generating device comprises a shell and a sound generating unit;
the casing includes apron and bottom plate, the apron with the bottom plate cooperatees and forms and hold the chamber, the sound production monomer is fixed hold in the chamber, the sound production monomer includes the sound membrane, the sound membrane includes ring folding portion and first fixed part, the diapire of apron forms second fixed part and protruding wall, the annular groove has been seted up on the second fixed part, the annular groove with first fixed part sets up relatively just the annular groove keep away from the first cell wall tip of protruding wall is in on the first fixed part, fill liquid adhesive in the annular groove, the orientation of protruding wall the free lateral wall face of sound production with form between the free outer wall face of sound production with the clearance of annular groove intercommunication.
2. The speaker as claimed in claim 1, wherein a side wall surface of said convex wall adjacent to said annular groove is disposed in parallel with and flat-connected to a second groove wall surface of said annular groove.
3. The speaker of claim 2, wherein the protruding wall is provided with a slope, the slope and the outer wall surface of the sound generating unit form a triangular groove, and the triangular groove is communicated with the gap.
4. A loudspeaker according to claim 3, wherein the cover plate has an opening therein, the opening being covered with a steel sheet.
5. A method for gluing a cover plate of a loudspeaker with a sound generating unit, wherein the loudspeaker is the loudspeaker according to claim 3 or 4, and the gluing method comprises the following steps:
the liquid adhesive is punched in the annular groove;
and pressing the first fixing part of the sounding monomer on the second fixing part, wherein at the moment, the end part of the first groove wall of the annular groove, which is far away from the convex wall, is abutted against the first fixing part so as to prevent the liquid adhesive from overflowing to the sound film, and the blocked liquid adhesive overflows to a gap, which is formed between the side wall surface of the convex wall, which faces the sounding monomer, and the outer wall surface of the sounding monomer and is communicated with the annular groove.
6. The gluing method of claim 5, further comprising: and after the first fixing part and the second fixing part of the sounding monomer are glued, maintaining the pressure of the liquid adhesive between the sounding monomer and the cover plate.
7. The gluing method of claim 6, further comprising: the liquid adhesive is filled for the second time in the triangular groove after the pressure maintaining is completed on the liquid adhesive between the sounding monomer and the cover plate, and the liquid adhesive overflows to the gap to fill the gap between the side wall surface of the sounding monomer and the outer wall surface of the sounding monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647044.8A CN109803214B (en) | 2018-12-30 | 2018-12-30 | Loudspeaker and gluing method of cover plate and single body of loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647044.8A CN109803214B (en) | 2018-12-30 | 2018-12-30 | Loudspeaker and gluing method of cover plate and single body of loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109803214A CN109803214A (en) | 2019-05-24 |
| CN109803214B true CN109803214B (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647044.8A Expired - Fee Related CN109803214B (en) | 2018-12-30 | 2018-12-30 | Loudspeaker and gluing method of cover plate and single body of loudspeaker |
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| Country | Link |
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| CN (1) | CN109803214B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205847550U (en) * | 2016-07-21 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Speaker |
| CN207531076U (en) * | 2017-11-28 | 2018-06-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108462926A (en) * | 2018-01-04 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100332866B1 (en) * | 1999-01-28 | 2002-04-17 | 이형도 | A micro speaker and a method for manufacturing thereof |
| CN205961426U (en) * | 2016-06-23 | 2017-02-15 | 江西联创宏声电子股份有限公司 | Improve glued miniature loudspeaker module group |
-
2018
- 2018-12-30 CN CN201811647044.8A patent/CN109803214B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205847550U (en) * | 2016-07-21 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Speaker |
| CN207531076U (en) * | 2017-11-28 | 2018-06-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN108462926A (en) * | 2018-01-04 | 2018-08-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
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| Publication number | Publication date |
|---|---|
| CN109803214A (en) | 2019-05-24 |
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Granted publication date: 20220201 |