CN204598283U - Loud speaker module - Google Patents
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- CN204598283U CN204598283U CN201520288731.0U CN201520288731U CN204598283U CN 204598283 U CN204598283 U CN 204598283U CN 201520288731 U CN201520288731 U CN 201520288731U CN 204598283 U CN204598283 U CN 204598283U
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- 239000000178 monomer Substances 0.000 claims abstract description 139
- 238000002604 ultrasonography Methods 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000007665 sagging Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 description 8
- 239000000565 sealant Substances 0.000 description 8
- 238000004026 adhesive bonding Methods 0.000 description 6
- 238000012536 packaging technology Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 208000002925 dental caries Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model discloses a kind of loud speaker module, relate to electro-acoustic product technical field, comprise module shell, loudspeaker monomer is contained in described module shell, described loudspeaker monomer comprises the monomer shell and monomer protecgulum that combine, vibrational system and magnetic circuit system is contained in the space that described monomer shell and described monomer protecgulum surround, the end face of at least side sidewall of described monomer shell is provided with ultrasonic with described module shell ultra-sonic welded, on described module shell, the position of corresponding described ultrasonic is provided with the ultrasound lines with described ultrasonic combination of ultrasound.The utility model loud speaker module solves the technical problems such as loud speaker module group assembling complex process in prior art, sealing are poor, bad order, the utility model loud speaker module group assembling technique is simple, favorable sealing property, presentation quality is high, acoustical behavior is good, and production efficiency is high, production cost is low.
Description
Technical field
The utility model relates to electro-acoustic product technical field, particularly a kind of loud speaker module.
Background technology
Loud speaker module 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 loud speaker module generally includes module shell, contains loudspeaker monomer in module shell, and whole module inner chamber is separated into the front operatic tunes and the rear operatic tunes two cavitys by loudspeaker monomer.Current loudspeaker monomer is usually by being arranged on the location structure location on module shell, then be fixed on module shell by gluing sealing, this kind arranges the module that location structure fixes loudspeaker monomer on module shell, the structure of its module shell is very complicated, the difficulty of processing of module shell is large, and location structure can take the space of module inner chamber, the serious acoustical behavior affecting module; Gluing sealing technology is complicated simultaneously, and fixing fastness is poor, and fluid sealant easily ftractures, the serious useful life reducing module.
Because current portable electric appts is constantly to frivolous, small and exquisite future development, thus make the structure of loud speaker module also will adapt to the change in electronic equipment internal space, in order to ensure the acoustical behavior of module, namely ensure that the space of module inner chamber is enough large, thus make the structure of loud speaker module mostly be irregular structure, to such an extent as to the loudspeaker monomer in some modules can be unlimited the edge close to module shell, even the part of some loudspeaker monomer can the exposed outside at module shell, the sealing difficulty of its inner chamber of loud speaker module that this kind of monomer segment exposes is larger, solution conventional is at present between loudspeaker monomer and module shell, be coated with a large amount of fluid sealant, not only packaging technology difficulty is large for this kind of sealing means, complexity is high, production cost is high, sealing is poor simultaneously, and presentation quality is low, and the qualification rate of product is low.
Utility model content
For above defect, technical problem to be solved in the utility model is to provide a kind of loud speaker module, and this loud speaker module shell structure is simple, strong in conjunction with fastness between loudspeaker monomer and module shell, simple for assembly process, and acoustical behavior is good, long service life.
Further, technical problem to be solved in the utility model is to provide the loud speaker module that a kind of loudspeaker monomer part exposes, this loud speaker module shell structure is simple, strong in conjunction with fastness between loudspeaker monomer and module shell, simple for assembly process, and acoustical behavior is good, long service life; This loud speaker module good seal performance simultaneously, presentation quality is high, and conforming product rate is high.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of loud speaker module, comprise module shell, loudspeaker monomer is contained in described module shell, described loudspeaker monomer comprises the monomer shell and monomer protecgulum that combine, vibrational system and magnetic circuit system is contained in the space that described monomer shell and described monomer protecgulum surround, the end face of at least side sidewall of described monomer shell is provided with ultrasonic with described module shell ultra-sonic welded, and on described module shell, the position of corresponding described ultrasonic is provided with the ultrasound lines with described ultrasonic combination of ultrasound.
Wherein, described loudspeaker monomer is arranged near a lateral edges of described module shell, and the exposed outside at described module shell of the side sidewall of described monomer shell, it is exposed on the side sidewall of described module shell outside that described ultrasonic face is arranged on described monomer shell.
Wherein, the opposite side sidewall of described monomer shell is also provided with described ultrasonic, sidewall described in this side and the exposed corresponding setting of described sidewall in described module shell outside.
Wherein, described ultrasonic the corresponding end face lower than described magnetic circuit system, on described module shell, the position of corresponding described ultrasonic is provided with to described ultrasonic the retaining wall extended, and described ultrasound lines is arranged on the end face of described retaining wall.
Wherein, the middle part of described ultrasonic is plane, and its two ends are extend to the upper surface of described monomer shell and extend to the inclined plane of described upper surface; The end face structure of described retaining wall and the structure of described ultrasonic suitable.
Wherein, the sidewall end face that described monomer shell is provided with described ultrasonic is ladder end face, comprise the first cascaded surface being positioned at inner side and the second-order tread being positioned at outside, the position of described first cascaded surface is higher than the position of described second-order tread, and described first cascaded surface is described ultrasonic; The end face of described retaining wall is the hierarchic structure suitable with described ladder end face, and described ultrasound lines is arranged on the described hierarchic structure cascaded surface corresponding with described first cascaded surface.
Wherein, described module shell comprises the upper casing and lower casing that combine, and the exposed sidewall in described module shell outside of described monomer shell is between described upper casing and described lower casing, and described retaining wall is arranged on described lower casing.
Wherein, on described upper casing, the position of corresponding described loudspeaker monomer is provided with the first installing hole, and described monomer protecgulum is positioned at described first installing hole place and the outer surface of described monomer protecgulum flushes with the outer surface of described upper casing; Be provided with barricade around the outside of described first installing hole inside described upper casing, the described upper casing inner surface between described barricade and described first installing hole edge forms rubber fabric.
Wherein, on described lower casing, the position of corresponding described loudspeaker monomer is provided with the second installing hole, and the lower end of described magnetic circuit system is positioned at described second installing hole place, and the lower surface of described magnetic circuit system flushes with the outer surface of described lower casing; The described lower casing outer surface being positioned at described second installing hole periphery is provided with chamfering inclined-plane, and the lower surface of described magnetic circuit system is provided with sagging edge part, forms glue groove between described chamfering inclined-plane and described edge part.
Wherein, described magnetic circuit system comprises frame and is fixed on the internal magnet of described frame middle inside and interior washer successively, the dual-side edge paralleled with described ultrasonic face of described frame is fixed with limit magnet and limit washer successively, described monomer shell is provided with the position of the both sides inside sidewalls corresponding described limit washer of two described limit washer homonymies the positioning convex extended to described limit washer, and the position of the corresponding described positioning convex of described limit washer is provided with the locating recesses matched with described positioning convex.
After have employed technique scheme, the beneficial effects of the utility model are:
Because the utility model loud speaker module comprises module shell, loudspeaker monomer is contained in module shell, loudspeaker monomer comprises the monomer shell and monomer protecgulum that combine, the lower surface of at least side sidewall of monomer shell is provided with ultrasonic, and on module shell, the position of corresponding ultrasonic is provided with the ultrasound lines with ultrasonic combination of ultrasound.Ultrasonic welding processes is easy and simple to handle, in conjunction with fastness strong, loudspeaker monomer can not come off from shell because fluid sealant cracking, long service life.Do not need in module shell to arrange complicated location structure simultaneously, simplify the structure of module shell, reduce the difficulty of processing of module shell, also effectively save the intracavity space of module simultaneously, substantially increase the acoustical behavior of loud speaker module, reduce production cost.
The exposed outside at module shell of side sidewall due to monomer shell, it is exposed on the side sidewall of module shell outside that ultrasonic face is arranged on monomer shell.The sidewall that this feature can realize monomer shell exposed is combined by Ultrasonic welding processes between module shell, have simple for assembly process compared with this kind of combination seals with gluing of the prior art, good seal performance, can not leak gas, the presentation quality of module is high simultaneously, the external dimensions of module can not change, and production efficiency is high, the advantage that conforming product rate is high.
Due to the opposite side sidewall of monomer shell being also provided with ultrasonic, this side sidewall and the corresponding setting of the exposed sidewall in module shell outside.Namely the both sides sidewall that monomer shell is corresponding all with module shell ultra-sonic welded, the loudspeaker monomer uniform force when carrying out ultra-sonic welded, the phenomenon that when effectively avoiding ultra-sonic welded, vibrating diaphragm bends distortion and ante-chamber fluid sealant cracking because of unbalance stress occurs, and further improves acoustical behavior and the product qualified rate of loud speaker module.
Because the middle part of ultrasonic is plane, its two ends are extend to the upper surface of monomer shell and extend to the inclined plane of upper surface; The end face structure of retaining wall and the structure of ultrasonic suitable.This kind of structure of ultrasonic this side sidewall other side except upper surface of bonding body case all can realize ultra-sonic welded with module shell, further improves the sealing of module, simplifies packaging technology.
The sidewall end face being provided with ultrasonic due to monomer shell is ladder end face, and comprise the first cascaded surface being positioned at inner side and the second-order tread being positioned at outside, the position of the first cascaded surface is higher than second-order tread, and the first cascaded surface is described ultrasonic; The end face of retaining wall is the hierarchic structure suitable with described ladder end face, and ultrasound lines is arranged on the hierarchic structure cascaded surface corresponding with the first cascaded surface.The end face that monomer shell combines with retaining wall is all set to hierarchic structure, when carrying out ultra-sonic welded, two hierarchic structures cooperatively interact, and greatly can improve the positioning precision of loudspeaker monomer, improve the accuracy of ultra-sonic welded position, further improve the sealing property of module.
In sum, the utility model loud speaker module solves the technical problems such as loud speaker module group assembling complex process in prior art, sealing are poor, bad order, the utility model loud speaker module group assembling technique is simple, favorable sealing property, presentation quality is high, acoustical behavior is good, and production efficiency is high, and production cost is low.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the utility model loud speaker module;
Fig. 2 is the constitutional diagram of Fig. 1;
Fig. 3 is the A direction view of Fig. 2;
Fig. 4 is the B-B line cutaway view of Fig. 3;
Fig. 5 is the C portion enlarged drawing of Fig. 4;
Fig. 6 is the structural representation of lower casing in Fig. 1;
Fig. 7 is the structural representation of loudspeaker monomer in Fig. 1;
In figure: 10, lower casing, 12, chamfering inclined-plane, 140, ultrasound lines, 142, boss, 144, ultrasound lines, 16, second installing hole, 18, retaining wall, 20, upper casing, 22, rubber fabric, 24, barricade, 26, first installing hole, 30, loudspeaker monomer, 32, monomer shell, 320, ladder end face, 322, first cascaded surface, 324, second-order tread, 326, positioning convex, 34, monomer protecgulum, 360, vibrating diaphragm, 362, ball top, 364, voice coil loudspeaker voice coil, 380, frame, 3800, edge part, 382, internal magnet, 384, limit magnet, 386, interior washer, 388, limit washer, 3880, locating recesses, 40, glue groove.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.
The orientation related in this specification all refers to the direction of loudspeaker monomer vibrational system, under orientation, all refer to the direction with loudspeaker monomer magnetic circuit system; The inner side related in this specification all refers to the side being positioned at module inner chamber or monomer inner chamber, and outside all refers to be positioned at the side outside module inner chamber or outside monomer inner chamber.
As Fig. 1 and Fig. 2 jointly shown in, a kind of loud speaker module, for rectangular configuration, comprise shell, shell is made up of the upper casing 20 combined and lower casing 10, contain loudspeaker monomer 30 in the space that upper casing 20 and lower casing 10 surround, loudspeaker monomer 30 is also rectangular configuration, and loudspeaker monomer 30 is positioned at the edge, side of module.Whole module inner chamber is divided into the front operatic tunes and the rear operatic tunes two cavitys by loudspeaker monomer 30.
As Fig. 4, Fig. 6 and Fig. 7 jointly shown in, loudspeaker monomer 30 comprises the monomer shell 32 and monomer protecgulum 34 that combine, contains vibrational system and magnetic circuit system in the space that monomer shell 32 and monomer protecgulum 34 surround.The lower surface of the relative both sides long side sidewall of monomer shell 32 is equipped with ultrasonic, and inside lower casing 10, the position of corresponding ultrasonic is provided with ultrasound lines 140, and loudspeaker monomer 30 is fixed on lower casing 10 by Ultrasonic welding processes.
As Fig. 2 and Fig. 3 jointly shown in, the exposed outside at module shell of side long side wall of monomer shell 32, this side sidewall of monomer shell 32 is between upper casing 20 and lower casing 10.
As Fig. 4, Fig. 6 and Fig. 7 jointly shown in, the lower surface of the both sides long side wall of monomer shell 32 is lower than the lower surface of magnetic circuit system, i.e. ultrasonic the lower surface lower than magnetic circuit system, that is, monomer shell 32 has only wrapped the part of magnetic circuit system near vibrational system in the vertical.The position of the both sides long side wall of lower casing 10 corresponding monomer shell 32 is provided with the retaining wall 18 extended to ultrasonic, and ultrasound lines 140 is arranged on the end face of retaining wall 18.Wherein the both sides of retaining wall 18 of side sidewall ultra-sonic welded in module shell outside exposed with monomer shell 32 are connected with other position of lower casing 10, form the annular outboard wall of lower casing 10, and the ultrasound lines 140 be positioned on this side block wall 18 forms annular closed ultrasonic band with the ultrasound lines 144 be positioned on other position lateral wall end face of lower casing 10, ultrasound lines 140 on this side block wall 18 is combined with monomer shell 32 ultra-sonic welded, and the ultrasound lines 144 being positioned at other position is combined with upper casing 20 ultra-sonic welded.Another retaining wall 18 is positioned at the middle part inside lower casing 10, perpendicular with the bottom of lower casing 10, and preferably its length is identical with the long side wall length of monomer shell 32.Because if the too short bond strength that can reduce between lower casing 10 and monomer shell 32 of its length; If its length is long, the part had more can take the space of the operatic tunes after module, can reduce the acoustical behavior of module.
As Fig. 3, Fig. 6 and Fig. 7 jointly shown in, the lower surface of the both sides long side wall of monomer shell 32 is approximate bridge floor shape, namely the middle part of this end face is horizontal plane, its two ends are the inclined plane extended to the upper surface (i.e. the upper surface of this side sidewall) of monomer shell 32, and two inclined planes only all extend to upper surface.The structure of ultrasonic is also approximate bridge floor shape, and namely ultrasonic extends along inclined plane by the end in lopsidedness face, and through horizontal plane, the end extending to the inclined plane being positioned at opposite side is terminated.The end face structure of the end face structure of retaining wall 18 and the long side wall of monomer shell 32 is suitable, is the concave structure of both ends high, middle low, thus makes the exposed monomer shell 32 in module shell outside form an isosceles trapezoid.This kind of structure this side sidewall other side except upper surface of bonding body case 32 all can realize ultra-sonic welded with lower casing 10, further improves the sealing of module, simplifies packaging technology.
As Fig. 5, Fig. 6 and Fig. 7 jointly shown in, the lower surface of the both sides long side wall of monomer shell 32 is ladder end face 320, be made up of two-stage cascaded surface, comprise the first cascaded surface 322 being positioned at inner side and the second-order tread 324 being positioned at outside, the position of the first cascaded surface 322 is higher than the position of second-order tread 324, and the first cascaded surface 322 is ultrasonic.The end face of retaining wall 18 is also hierarchic structure, be made up of two-stage cascaded surface equally, its cascaded surface position being positioned at inner side is lower, the cascaded surface position being positioned at outside is higher, ultrasound lines 140 is positioned on the lower cascaded surface in position, thus the cascaded surface being positioned at outside defines the boss 142 of a gear outside ultrasound lines 140.Ultrasound lines 140 and the first cascaded surface 322 combination of ultrasound, boss 142 and second-order tread 324 lean.The end face that monomer shell 32 combines with retaining wall 18 is all set to hierarchic structure, and when carrying out ultra-sonic welded, two hierarchic structures cooperatively interact, and greatly can improve the positioning precision of loudspeaker monomer, thus improves the accuracy of ultra-sonic welded position.Simultaneously boss 142 keeps off the glue that to overflow when effectively can to prevent ultra-sonic welded in the outside of ultrasound lines 140, ensure that module overall dimension, and the smoothness of appearance.
As Fig. 1 and Fig. 4 jointly shown in, the position of the corresponding loudspeaker monomer 30 of upper casing 20 is provided with the first installing hole 26, monomer protecgulum 34 is positioned at the first installing hole 26 place, and the outer surface of monomer protecgulum 34 flushes with the outer surface of upper casing 20, this structure can effectively reduce the thickness of module, can adapt to the requirement of low profile electronic equipment.
As Fig. 1 and Fig. 4 jointly shown in, barricade 24 is provided with around the outside of the first installing hole 26 inside upper casing 20, barricade 24 is only centered around the first installing hole 26 not near three sides at upper casing 20 edge, upper casing 20 inner surface between barricade 24 with the first installing hole 26 edge is used for gluing and is combined with loudspeaker monomer 30, also be provided with one section of position for gluing between one lateral edges at close upper casing 20 edge of the first installing hole 26 and the edge of upper casing 20, thus define closed rubber fabric 22 in the surrounding of the first installing hole 26.Monomer protecgulum 34 comprises the protrusion being positioned at middle part, the periphery of protrusion is provided with flat edge edge, and uplift part is located in the first installing hole 26 place, edge is overlapped on rubber fabric 22, and fixed by fluid sealant and upper casing 20, thus define effective sealing between the front operatic tunes and the rear operatic tunes of module.
As Fig. 4 and Fig. 7 jointly shown in, vibrational system comprises edge part and is fixed on vibrating diaphragm 360 between monomer shell 32 and monomer protecgulum 34, and vibrating diaphragm 360 is fixed with ball top 362 near the middle part of monomer protecgulum 34 side, and the opposite side of vibrating diaphragm 360 is fixed with voice coil loudspeaker voice coil 364.Magnetic circuit system comprises frame 380, frame 380 comprises the bottom of rectangle, the short side edge place, both sides of bottom is respectively equipped with the frame sidewall of one and bottom vertical, the middle part of bottom inside is fixed with internal magnet 382 and interior washer 386 successively, and long limit, the both sides edge side of bottom inside is fixed with limit magnet 384 and limit washer 388 respectively successively.Internal magnet 382 and interior washer 386 constitute the internal magnetic circuit of magnetic circuit system, and frame sidewall and limit magnet 384 and limit washer 388 constitute the external magnetic circuit of magnetic circuit system, and be provided with magnetic gap between internal magnetic circuit and external magnetic circuit, the end of voice coil loudspeaker voice coil 364 is positioned at magnetic gap.Voice coil loudspeaker voice coil 364 does reciprocal cutting magnetic line movement according to the size and Orientation by the sound wave signal of telecommunication in its coiling in magnetic gap, vibrating diaphragm 360 and ball top 362 produce vibration along with the motion of voice coil loudspeaker voice coil 364, instigate air sounding, thus complete the power conversion between electroacoustic.The middle part of monomer protecgulum 34 is provided with phonate hole, and vibrating diaphragm 360 and ball top 362 are instigated the sound that air sends and spread out of by phonate hole.
As Fig. 1, Fig. 4 and Fig. 6 jointly shown in, on lower casing 10, the position of corresponding loudspeaker monomer 30 is provided with the second installing hole 16, the shape of the second installing hole 16 and the bottom of frame 380 suitable, both sides retaining wall 18 is positioned at the Chang Bian edge, both sides of the second installing hole 16, is jointly clamped in wherein by magnetic circuit system with the both sides sidewall of monomer shell 32.The bottom (i.e. the lower end of magnetic circuit system) of frame 380 is positioned at the second installing hole 16 place, and the outer surface bottom frame 380 flushes with the outer surface of lower casing 10.This kind of structure further can reduce the integral thickness of module, can meet the requirement of more low profile electronic equipment.
As Fig. 2, Fig. 4 and Fig. 7 jointly shown in, lower casing 10 outer surface being positioned at the second installing hole 16 (see Fig. 6) periphery is provided with chamfering inclined-plane 12, the marginal position of the outer surface bottom frame 380 is provided with sagging edge part 3800, forms glue groove 40 between chamfering inclined-plane 12 and edge part 3800.This construction increases fluid sealant and the contact area between lower casing 10 and frame 380, effectively raise the sealing of bonding firmness and the rear operatic tunes.
As Fig. 4 and Fig. 5 jointly shown in, the position of corresponding two the limit washers 388 in inner side of the both sides long side wall of monomer shell 34 is equipped with the positioning convex 326 extended to limit washer 388, the position of the corresponding positioning convex 326 in outside of limit washer 388 is provided with the locating recesses 3880 suitable with positioning convex 326, and positioning convex 326 is combined in locating recesses 3880 place.This construction increases the contact area between monomer shell 32 and magnetic circuit system, can effectively improve between monomer shell 32 and magnetic circuit system in conjunction with firmness.
Above-described embodiment only realizes ultra-sonic welded for the both sides long side wall of monomer shell and lower casing and has been described in detail, but be not limited to such scheme, only ultra-sonic welded structure can be set on the side sidewall of monomer shell according to the structure of module in practical application, or three side sidewalls of monomer shell and four side sidewalls all arrange ultrasound structure.Present embodiment arranges ultrasound structure at relative both sides sidewall and to bend with the vibrating diaphragm only produced because of loudspeaker monomer unbalance stress when side sidewall arranges and can effectively prevent in ultra-sonic welded compared with ultrasound structure and be out of shape and ante-chamber fluid sealant cracking phenomena; Compared with all arranging ultrasound structure with three side sidewalls or four side sidewalls, the structure of lower casing and monomer shell is simpler, and save the space of module back cavity, ensure that the acoustical behavior of module, on the relative both sides sidewall of monomer shell, therefore arrange the scheme that ultrasound structure and lower casing realize combination of ultrasound is preferred version of the present utility model.
The utility model by arranging ultra-sonic welded structure between the lower surface and module shell of monomer shell, achieve loudspeaker monomer to be combined with the ultra-sonic welded of module shell, effectively simplify the packaging technology of loud speaker module, improve the acoustical behavior of loud speaker module simultaneously, extend the useful life of loud speaker module.Especially simplify the packaging technology of the loud speaker module that loudspeaker monomer part exposes, improve the sealing between module shell and loudspeaker monomer, also improve the quality of module outward appearance simultaneously, reduce production cost.
As shown in Figure 1, the packaging technology of the utility model loud speaker module is as follows:
The first step, rubber fabric 22 is coated with fluid sealant, is fixed on upper casing 20 by loudspeaker monomer 30, and forms the sealing of the front operatic tunes, and the ultrasonic face at upper casing 20 edge and monomer shell 32 that are combined with loudspeaker monomer 30 together form closed ultrasonic band;
Second step, is fastened on lower casing 10 on upper casing 20, is combined, the sealing of the operatic tunes after completing by Ultrasonic welding processes sealing.
As frame exposes, as shown in Figure 2, then gluing between frame 380 and lower casing 10 again after second step terminates, the sealing of the operatic tunes after completing.
The utility model above-described embodiment is only illustrating the technical scheme that loudspeaker monomer and module shell are combined by Ultrasonic welding processes by the utility model, wherein the overall structure of module and the structure of loudspeaker monomer are all not limited only to said structure, the technical solution of the utility model can be applicable in the module that any one loudspeaker monomer part exposes, 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 module of other structure by the technical solution of the utility model, therefore no matter whether the overall structure of loud speaker module is same as the previously described embodiments, also no matter whether the structure of loudspeaker monomer is same as the previously described embodiments, as long as loudspeaker monomer is combined by Ultrasonic welding processes with module shell, in order to simplified assembling process, improve module sealing and presentation quality, the product reducing production cost all falls in protection range of the present utility model.
Band sequenced feature name (as the first cascaded surface, second-order tread) related in this specification is only to distinguish technical characteristic, does not represent the position relationship between each feature, assembling sequence and job order etc.
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. loud speaker module, comprise module shell, loudspeaker monomer is contained in described module shell, described loudspeaker monomer comprises the monomer shell and monomer protecgulum that combine, vibrational system and magnetic circuit system is contained in the space that described monomer shell and described monomer protecgulum surround, it is characterized in that, the end face of at least side sidewall of described monomer shell is provided with ultrasonic with described module shell ultra-sonic welded, and on described module shell, the position of corresponding described ultrasonic is provided with the ultrasound lines with described ultrasonic combination of ultrasound.
2. loud speaker module according to claim 1, it is characterized in that, described loudspeaker monomer is arranged near a lateral edges of described module shell, and the exposed outside at described module shell of the side sidewall of described monomer shell, it is exposed on the side sidewall of described module shell outside that described ultrasonic face is arranged on described monomer shell.
3. loud speaker module according to claim 2, is characterized in that, the opposite side sidewall of described monomer shell is also provided with described ultrasonic, sidewall described in this side and the exposed corresponding setting of described sidewall in described module shell outside.
4. the loud speaker module according to Claims 2 or 3, it is characterized in that, described ultrasonic the corresponding end face lower than described magnetic circuit system, on described module shell, the position of corresponding described ultrasonic is provided with to described ultrasonic the retaining wall extended, and described ultrasound lines is arranged on the end face of described retaining wall.
5. loud speaker module according to claim 4, is characterized in that, the middle part of described ultrasonic is plane, and its two ends are extend to the upper surface of described monomer shell and extend to the inclined plane of described upper surface; The end face structure of described retaining wall and the structure of described ultrasonic suitable.
6. loud speaker module according to claim 5, it is characterized in that, the sidewall end face that described monomer shell is provided with described ultrasonic is ladder end face, comprise the first cascaded surface being positioned at inner side and the second-order tread being positioned at outside, the position of described first cascaded surface is higher than the position of described second-order tread, and described first cascaded surface is described ultrasonic; The end face of described retaining wall is the hierarchic structure suitable with described ladder end face, and described ultrasound lines is arranged on the described hierarchic structure cascaded surface corresponding with described first cascaded surface.
7. loud speaker module according to claim 6, it is characterized in that, described module shell comprises the upper casing and lower casing that combine, and the exposed sidewall in described module shell outside of described monomer shell is between described upper casing and described lower casing, and described retaining wall is arranged on described lower casing.
8. loud speaker module according to claim 7, it is characterized in that, on described upper casing, the position of corresponding described loudspeaker monomer is provided with the first installing hole, and described monomer protecgulum is positioned at described first installing hole place and the outer surface of described monomer protecgulum flushes with the outer surface of described upper casing; Be provided with barricade around the outside of described first installing hole inside described upper casing, the described upper casing inner surface between described barricade and described first installing hole edge forms rubber fabric.
9. loud speaker module according to claim 8, it is characterized in that, on described lower casing, the position of corresponding described loudspeaker monomer is provided with the second installing hole, and the lower end of described magnetic circuit system is positioned at described second installing hole place, and the lower surface of described magnetic circuit system flushes with the outer surface of described lower casing; The described lower casing outer surface being positioned at described second installing hole periphery is provided with chamfering inclined-plane, and the lower surface of described magnetic circuit system is provided with sagging edge part, forms glue groove between described chamfering inclined-plane and described edge part.
10. loud speaker module according to claim 9, it is characterized in that, described magnetic circuit system comprises frame and is fixed on the internal magnet of described frame middle inside and interior washer successively, the dual-side edge paralleled with described ultrasonic face of described frame is fixed with limit magnet and limit washer successively, described monomer shell is provided with the position of the both sides inside sidewalls corresponding described limit washer of two described limit washer homonymies the positioning convex extended to described limit washer, and the position of the corresponding described positioning convex of described limit washer is provided with the locating recesses matched with described positioning convex.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520288731.0U CN204598283U (en) | 2015-05-06 | 2015-05-06 | Loud speaker module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520288731.0U CN204598283U (en) | 2015-05-06 | 2015-05-06 | Loud speaker module |
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| CN204598283U true CN204598283U (en) | 2015-08-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796817A (en) * | 2015-05-06 | 2015-07-22 | 歌尔声学股份有限公司 | Speaker module |
| CN107948884A (en) * | 2017-11-22 | 2018-04-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| CN109525923A (en) * | 2018-11-12 | 2019-03-26 | 歌尔股份有限公司 | Sounding device and electronic equipment |
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2015
- 2015-05-06 CN CN201520288731.0U patent/CN204598283U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104796817A (en) * | 2015-05-06 | 2015-07-22 | 歌尔声学股份有限公司 | Speaker module |
| WO2016176981A1 (en) * | 2015-05-06 | 2016-11-10 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN104796817B (en) * | 2015-05-06 | 2018-09-18 | 歌尔股份有限公司 | Loud speaker module |
| US10219055B2 (en) | 2015-05-06 | 2019-02-26 | Goertek Inc. | Loudspeaker module |
| CN107948884A (en) * | 2017-11-22 | 2018-04-20 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| CN107948884B (en) * | 2017-11-22 | 2021-02-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker module |
| CN109525923A (en) * | 2018-11-12 | 2019-03-26 | 歌尔股份有限公司 | Sounding device and electronic equipment |
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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. |