CN208675505U - Loudspeaker mould group and mobile terminal - Google Patents
Loudspeaker mould group and mobile terminal Download PDFInfo
- Publication number
- CN208675505U CN208675505U CN201821600231.6U CN201821600231U CN208675505U CN 208675505 U CN208675505 U CN 208675505U CN 201821600231 U CN201821600231 U CN 201821600231U CN 208675505 U CN208675505 U CN 208675505U
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- retaining wall
- annular
- mould group
- loudspeaker
- divider
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model discloses a kind of loudspeaker mould group and mobile terminal, wherein loudspeaker mould group includes: shell, has accommodating chamber in the shell；Loudspeaker monomer is installed on the accommodating chamber, and the accommodating chamber is isolated into the preceding operatic tunes and the rear operatic tunes；And annular divider, it is installed on the rear operatic tunes and is located on the side of the loudspeaker monomer, the operatic tunes is isolated into the vibration cavity on the inside of the annular divider and the sound absorption cavity on the outside of the annular divider after the annular divider will be described, the annular divider has the ventilation device for being connected to the sound absorption cavity and the vibration cavity, the loudspeaker monomer is set to the vibration cavity, and the sound absorption cavity is for filling sound-absorbing material.The utility model loudspeaker mould group production efficiency is higher, and sound absorption cavity useful effect volume is big, and acoustical behavior is excellent.
Description
Technical field
The utility model relates to electroacoustic techniques field, in particular to a kind of loudspeaker mould group and mobile terminal.
Background technique
With the arrival of mobile internet era, the quantity of mobile terminal constantly rises, and the music function of high-quality is
One of critical function of mobile terminal.Therefore, it is widely applied among mobile terminal for playing the loudspeaker mould group of sound.
In the related technology, mobile terminal, such as mobile phone, tablet computer etc., increasingly pursuit ultrathin or extra smallization, cause
Keep the installation space of loudspeaker mould group also smaller and smaller, so that the volume of loudspeaker mould group or thickness are also smaller and smaller.?
Under such background, the acoustical behavior for how improving loudspeaker mould group in a limited space becomes one and has to solve the problems, such as.
Utility model content
The main purpose of the utility model is to propose a kind of loudspeaker mould group, it is intended to solve existing loudspeaker mould group acoustics
The lower technical problem of energy.
To achieve the above object, the utility model proposes a kind of loudspeaker mould groups, comprising:
Shell, the shell is interior to have accommodating chamber；
Loudspeaker monomer is installed on the accommodating chamber, and the accommodating chamber is isolated into the preceding operatic tunes and the rear operatic tunes；And
Annular divider is installed on the rear operatic tunes and is located on the side of the loudspeaker monomer, the annular isolation
The operatic tunes is isolated into the vibration cavity on the inside of the annular divider and on the outside of the annular divider after part will be described
Sound absorption cavity, the loudspeaker monomer are set to the vibration cavity, and the sound absorption cavity is for filling sound-absorbing material, the annular divider
With the ventilation device for being connected to the sound absorption cavity and the vibration cavity.
Optionally, the annular divider and the shell group are equipped with to form two sound absorption cavities, two sound-absorbings
Chamber is located at the opposite two sides of the loudspeaker monomer.
Optionally, corresponding two sound absorption cavities of the ventilation device are provided at two.
Optionally, the annular divider includes annular partition, and the ventilation device includes being opened in the annular partition
On multiple ventholes；Or
The annular divider includes annular bulkhead, and the ventilation device includes the ventilation being opened on the annular bulkhead
Mouthful and be installed on the annular bulkhead blow vent air-permeable member.
Optionally, the annular partition is set as metal plate；Or
The air-permeable member and the annular bulkhead integrated injection molding.
Optionally, the position that the annular divider is corresponded on the shell is provided with barrier wall structure, the barrier wall structure
It is configured as gripping at least partly described annular divider.
Optionally, the shell includes front cover, middle shell and rear cover, and monomer mounting hole is offered on the middle shell, described to raise
Sound device monomer is installed on the monomer mounting hole, the loudspeaker monomer, the middle shell and the front cover surround jointly it is described before
The operatic tunes, the loudspeaker monomer, the middle shell, the rear cover and the front cover surround the rear operatic tunes jointly.
Optionally, one of the middle shell and the rear cover are convexly equipped with the first retaining wall and second to close to another direction
Retaining wall, first retaining wall and the second retaining wall interval are arranged；First retaining wall and second retaining wall constitute the retaining wall knot
Annular divider described in structure is connected between first retaining wall and the second retaining wall.
Optionally, first retaining wall and the second retaining wall are disposed as annular；Or
First retaining wall and the second retaining wall extend along the ring set direction of the annular divider and extend default length
Degree；Or
First retaining wall be arranged at intervals on the ring set direction of the annular divider it is multiple, and/or, described second
Retaining wall is arranged at intervals with multiple on the ring set direction of the annular divider.
Optionally, the free end of first retaining wall is equipped with the first guide frame, and/or, the freedom of second retaining wall
End is equipped with the second guide frame.
Optionally, first guide frame includes the first guide surface, and first guide surface is set to first retaining wall
The side towards second retaining wall free end, it is described first guiding away from second retaining wall direction inclination prolongs
Stretch setting；And/or
Second guide frame includes the second guide surface, second guide surface be set to second retaining wall towards institute
The free end of the side of the first retaining wall is stated, second guiding is tilted away from the direction of first retaining wall and is extended.
The utility model also proposes a kind of mobile terminal, including loudspeaker mould group.Loudspeaker mould group includes:
Shell, the shell is interior to have accommodating chamber；
Loudspeaker monomer is installed on the accommodating chamber, and the accommodating chamber is isolated into the preceding operatic tunes and the rear operatic tunes；And
Annular divider is installed on the rear operatic tunes and is located on the side of the loudspeaker monomer, the annular isolation
The operatic tunes is isolated into the vibration cavity on the inside of the annular divider and on the outside of the annular divider after part will be described
Sound absorption cavity, the loudspeaker monomer are set to the vibration cavity, and the sound absorption cavity is for filling sound-absorbing material, the annular divider
With the ventilation device for being connected to the sound absorption cavity and the vibration cavity.
The utility model loudspeaker mould group, by setting annular divider the rear operatic tunes is isolated into vibration cavity and sound-absorbing
Chamber, and sound-absorbing material is filled in sound absorption cavity, so as to improve the acoustical behavior of loudspeaker mould group.Moreover, sound absorption cavity ring is set
In the side of loudspeaker monomer, the utilization rate of sound-absorbing material can be improved, so that the sound-absorbing effect of sound-absorbing material can be improved, so as to
Increase the useful effect volume of sound absorption cavity, so that the acoustics for further improving loudspeaker mould group in a limited space can be realized
Energy.In addition, the assembling process between ventilation separator and shell can be simplified by one independent annular divider of setting, thus
The production efficiency of loudspeaker mould group can be improved.Therefore the utility model loudspeaker mould group production efficiency is higher, sound absorption cavity useful effect
Volume is big, and acoustical behavior is excellent.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the configuration schematic diagram of one embodiment of the utility model loudspeaker mould group；
Fig. 2 is the structural schematic diagram of annular divider in Fig. 1；
Fig. 3 is the schematic diagram of internal structure of loudspeaker mould group in Fig. 1；
Fig. 4 is the partial enlarged view in Fig. 3 at A；
Fig. 5 is the schematic diagram of the section structure of loudspeaker mould group in Fig. 4；
Fig. 6 is the partial enlarged view in Fig. 5 at B.
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Loudspeaker mould group | 211 | Vibrating diaphragm |
| 10 | Shell | 212 | Voice coil |
| 11 | Front cover | 22 | Magnetic circuit system |
| 12 | Middle shell | 30 | Annular divider |
| 121 | Monomer mounting hole | 31 | Annular partition |
| 122 | First retaining wall | 311 | Venthole |
| 1221 | First guide surface | 50 | Accommodating chamber |
| 123 | Second retaining wall | 51 | The preceding operatic tunes |
| 124 | Through-hole | 52 | The operatic tunes afterwards |
| 13 | Rear cover | 521 | Vibration cavity |
| 20 | Loudspeaker monomer | 522 | Sound absorption cavity |
| 21 | Vibrational system |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example,
The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual
In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution
Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model
Within.
The utility model proposes a kind of loudspeaker mould groups.
In an embodiment of the utility model, as shown in Figures 1 to 6, the loudspeaker mould group 100 includes:
Shell 10, the shell 10 is interior to have accommodating chamber 50；
Loudspeaker monomer 20 is installed on accommodating chamber 50, and accommodating chamber 50 is isolated into the preceding operatic tunes 51 and the rear operatic tunes 52；And
Annular divider 30 is installed on the rear operatic tunes 52 and is located on the side of loudspeaker monomer 20, the annular divider
30 are isolated into the rear operatic tunes 52 sound-absorbing positioned at the vibration cavity 521 of 30 inside of annular divider and positioned at 30 outside of annular divider
Chamber 522, the annular divider 30 have the ventilation device of connection sound absorption cavity 522 and vibration cavity 521, the loudspeaker monomer 20
It is installed on vibration cavity 521, the sound absorption cavity 522 is for filling sound-absorbing material.
Specifically, loudspeaker monomer 20 is loudspeaker comprising vibrational system 21 and magnetic circuit system 22；Wherein, the vibration
Dynamic system 21 includes vibrating diaphragm 211 and voice coil 212.Annular divider 30 is that an independent ventilation hinders object component.
The utility model loudspeaker mould group 100 is appreciated that, by setting annular divider 30 the rear operatic tunes 52 to be isolated
Sound-absorbing material is filled at vibration cavity 521 and sound absorption cavity 522, and in sound absorption cavity 522, so as to improve loudspeaker mould group 100
Acoustical behavior.Moreover, sound absorption cavity 522 to be located on to the side of loudspeaker monomer 20, the utilization rate of sound-absorbing material can be improved, thus
The sound-absorbing effect of sound-absorbing material can be improved, so as to increase the useful effect volume of sound absorption cavity 522, to may be implemented in limited sky
The interior acoustical behavior for further improving loudspeaker mould group 100.From another point of view, loudspeaker mould group 100 can also be realized
Miniaturization Design.
In addition, the dress between ventilation isolated part and shell 10 can be simplified by one independent annular divider 30 of setting
With process, so that the production efficiency of loudspeaker mould group 100 can be improved.
Therefore the utility model loudspeaker mould 100 production efficiencys of group are higher, 522 useful effect volume of sound absorption cavity is big, acoustics
It can be excellent.
Further, as shown in Figures 3 to 6, the annular divider 30 is equipped with to form two sound absorption cavities with 10 groups of shell
522, two sound absorption cavities 522 are respectively arranged on the opposite two sides of loudspeaker monomer 20.In this way, ensuring loudspeaker mould group
While 100 acoustical behavior, the structure of loudspeaker mould group 100 can also be simplified, be conducive to the body for reducing loudspeaker mould group 100
Product.
Specifically, as shown in figure 3, the loudspeaker monomer 20 other two sides (i.e. adjacent with sound absorption cavity 522 two
Side), the annular divider 30 is arranged against the side wall of shell 10, to form two sound absorption cavities 522.
Particularly, the sound-absorbing material filled in described two sound absorption cavities 522 may be the same or different.
Further, as shown in Fig. 2, the ventilation device respectively corresponds two sound absorption cavities 522 is provided at two.Such as
This, can simplify the structure of annular divider 30, production easy to process, and can ensure that the structural strength of annular divider 30.
Certainly, the ventilation device also may extend over the setting of annular divider 30.
In a particular embodiment, the annular divider 30 can be set to circular ring shape, side's annular or oval ring etc. its
He is annular, in this regard, the utility model is without limitation.
Optionally, 30 side of being set as of annular divider annular or class side's annular, can convenient for loudspeaker monomer 20 into
Row cooperation, so as to be conducive to utilize the confined space in shell 10.
In a particular embodiment, the annular divider 30 both can be set to closed annular, may be alternatively provided as having
The annular of opening.
In a particular embodiment, the sound-absorbing material includes sound-absorbing particle, such as zeolite granular etc..
Further, as shown in Fig. 2, the annular divider 30 includes annular partition 31, the ventilation device includes opening
Multiple ventholes 311 on annular partition 31.The rear operatic tunes 52 is isolated into this way, can be realized by setting annular partition 31
Vibration cavity 521 and sound absorption cavity 522, by setting venthole 311, it can be achieved that connection sound absorption cavity 522 and vibration cavity 521.Moreover, logical
Above structure setting is crossed, may make 30 structure of annular divider simple, easy to make.
It is appreciated that the ventilation device only should allow gas to pass through, without allowing sound-absorbing material etc. to pass through, that is, ventilate
Structure has the characteristic of ventilation resistance object.Therefore when sound-absorbing material is sound-absorbing particle, the size of sound-absorbing particle should be greater than venthole
311 size.
In the present embodiment, as shown in Fig. 2, corresponding two sound absorption cavities 522 of the venthole 311 are arranged.Specifically, described
A corresponding wherein sound absorption cavity 522 is provided with multiple ventholes 311 on annular partition 31, and corresponding another sound absorption cavity 522 is also equipped with
Multiple ventholes 311.In this way, not only can guarantee the structural strength of annular partition 31, but also adding for annular partition 31 can be reduced
Work difficulty improves production efficiency.
Further, as shown in Fig. 2, multiple ventholes 311 that corresponding sound absorption cavity 522 is arranged are uniformly distributed, or by pre-
If rule distribution.In this way, sound-absorbing effect can be improved.
Optionally, multiple ventholes 311 that corresponding sound absorption cavity 522 is arranged are arranged in N row * M column, the spacing phase between each row
Deng the spacing between each column is also equal.
Optionally, multiple ventholes 311 that corresponding sound absorption cavity 522 is arranged are placed with N row, the venthole between adjacent rows
311 are staggered.
Particularly, in other embodiments, the venthole 311 also may extend over the setting of annular partition 31.
In the present embodiment, the annular partition 31 is set as metal plate.
Specifically, the annular partition 31 can injection molding, can also be stamping parts bending and molding, can be also bent into for profile
Type etc..
In other embodiments, the material of the annular partition 31 may be alternatively provided as other nonmetallic materials, for example, described
Annular partition 31 can be plastic plate, injection molding.
In the second embodiment of the annular divider 30, the annular divider 30 includes annular bulkhead, described logical
Depressed structure includes the air-permeable member of the blow vent being opened on annular bulkhead and the blow vent for being installed on annular bulkhead.In this way, passing through
Air-permeable member is arranged on annular bulkhead, air-permeable member can be easily installed, cost can be saved, is conducive to batch production.
In this embodiment, the blow vent it is settable there are two, which respectively corresponds two sound absorption cavities 522 and sets
It sets, an air-permeable member is mounted on each blow vent.Alternatively, the blow vent may be provided with two groups, every group of blow vent includes
Multiple blow vents, and two groups of blow vents respectively correspond two sound absorption cavities 522 and are arranged, it is ventilative that every group of blow vent is mounted on one
Part.Alternatively, the blow vent may be provided with two groups, every group of blow vent includes multiple blow vents, and two groups of blow vent difference
Corresponding two sound absorption cavities 522 are arranged, and each blow vent is mounted on an air-permeable member.Certainly, the blow vent can also with annular every
Frame extends and is set as one；Alternatively, the blow vent can be also provided with along the circumferential direction of annular bulkhead it is multiple and throughout
Annular bulkhead；And it is correspondingly arranged air-permeable member.
In this embodiment, the annular bulkhead can be metal frame, at this point, annular bulkhead can injection molding, can also be
Stamping parts bending and molding can be also profile bending and molding etc.；Certainly, the annular bulkhead may be alternatively provided as other non-metallic materials
Material, for example, the annular bulkhead can be frame of plastic, injection molding.
In this embodiment, specifically, the air-permeable member and annular bulkhead integrated injection molding.So, it is possible to increase ventilative
The bonding strength (firmness combined) of part and annular bulkhead, so as to enhance the durability of annular divider 30.
Certainly, in this embodiment, the air-permeable member and annular bulkhead can also pass through two-sided glue connection or its other party
Formula, such as other glued modes or ultrasonic bonding mode or hot melting way etc., connection will not repeat them here.
In this embodiment, in order to improve firmness of the air-permeable member in conjunction with annular bulkhead, air-permeable member is reduced from annular
The risk being detached from bulkhead, the air-permeable member can be set to the side of the close sound absorption cavity 522 of annular bulkhead.And in order to increase sound-absorbing
The volume of chamber 522, further improves the acoustical behavior of loudspeaker mould group 100, and the air-permeable member can be set to leaning on for annular bulkhead
The side of nearly vibration cavity 521.Both the above design method can be selected according to actual needs.Certainly, in order to further drop
The risk that low air-permeable member is detached from from annular bulkhead, can set annular bulkhead to the two sub- frames mutually spliced, air-permeable member is pressed from both sides
Between the two sub- frame.
In this embodiment, the air-permeable member may be either non-woven fabrics or screen cloth or nylon mesh grid or metal mesh etc.,
It can be filter paper or Du Pont's paper or leaching membrane paper or reticulate pattern paper；But not limited to this, as long as being made or breathing freely form i.e. for ventilative material
Can, the purpose of ventilation resistance object can be realized.
Further, in order to simplify the assembly of annular divider 30 Yu shell, and the stability of assembly is improved, preferably
, barrier wall structure can be set on the shell, which can be used for gripping annular divider.
For example, specifically, as shown in Figures 1 to 6, the shell 10 includes front cover 11, middle shell 12 and rear cover 13, it is described in
Monomer mounting hole 121 is offered on shell 12, the loudspeaker monomer 20 is installed on monomer mounting hole 121, the loudspeaker monomer
20, the operatic tunes 51 before middle shell 12 and front cover 11 surround jointly, the loudspeaker monomer 20, middle shell 12, rear cover 13 and front cover 11 are common
Surround the rear operatic tunes 52.
It should be noted that in the utility model, sounding side (the i.e. setting vibrating diaphragm of the front cover 11 and loudspeaker monomer 20
211 side) it is oppositely arranged, the rear cover 13 is opposite with sounding side (side that vibrating diaphragm 211 is arranged) of loudspeaker monomer 20
Setting.
Specifically, the front cover 11, middle shell 12 and rear cover 13 assemble to form accommodating chamber 50 jointly, for accommodating loudspeaker
The components such as monomer 20.A through-hole 124 is additionally provided on the middle shell 12, the through-hole 124 and monomer mounting hole 121 are arranged side by side, should
Through-hole 124 is for the operatic tunes 52 after constituting.
Further, as shown in Figures 3 to 6, one of the middle shell 12 and rear cover 13 are convex to close another direction
Equipped with the first retaining wall 122 and the second retaining wall 123, first retaining wall 122 and the second retaining wall 123 interval be arranged, it is described annular every
Off member 30 is connected between the first retaining wall 122 and the second retaining wall 123.In this way, annular divider 30 can be fixed on to the rear operatic tunes 52
It is interior；Moreover, above structure is simple and easy to assembly.
When installation, directly annular divider 30 can be plugged between the first retaining wall 122 and the second retaining wall 123.
Optionally, the width between the first retaining wall 122 and the second retaining wall 123 be equal to or be slightly larger than or be slightly less than annular every
The thickness of off member 30, to improve the Assembly stability of annular divider 30.
In a particular embodiment, the structure type of first retaining wall 122 and the second retaining wall 123, and combinations thereof mode have
Very much, including but not limited to following embodiment.
In the present embodiment, as shown in Figures 3 to 6, first retaining wall 122 and the second retaining wall 123 are along annular isolation
The ring set direction of part 30 extends and extends preset length.Wherein, preset length according to the size of shell 10 and can consider annular
The Assembly stability of separator 30 and self-setting.I other words the first retaining wall 122 and the second retaining wall 123 extend certain length,
With effective stationary annular separator 30.In this way, make the structure of the first retaining wall 122 and the second retaining wall 123 it is simple, it is easy to make,
When section and material-saving.In the present embodiment, optionally, first retaining wall 122 and the second retaining wall 123 are disposed as plate.
In the second embodiment of first retaining wall 122 and the second retaining wall 123, first retaining wall 122 and second gear
Wall 123 is disposed as annular.In this embodiment, optionally, first retaining wall 122 and the second retaining wall 123 are disposed as ring
Plate.
In the 3rd embodiment of first retaining wall 122 and the second retaining wall 123, first retaining wall 122 annular every
Be arranged at intervals on the ring set direction of off member 30 it is multiple, and/or, second retaining wall 123 is in the ring side of setting of annular divider 30
It is arranged at intervals with upwards multiple.Specifically, first retaining wall 122 is arranged at intervals on the ring set direction of annular divider 30
It is multiple, and the second retaining wall 123 is set as annular；Alternatively, first retaining wall 122 is set as annular, and the second retaining wall 123 is in ring
It is arranged at intervals on the ring set direction of shape separator 30 multiple；Alternatively, first retaining wall 122 is set in the ring of annular divider 30
Be arranged at intervals on direction it is multiple, and second retaining wall 123 be arranged at intervals on the ring set direction of annular divider 30 it is more
It is a.Wherein, when retaining wall (the first retaining wall 122 or the second blocking arm) is set as multiple, retaining wall may be configured as plate, column or block
Shape etc..
Further, it is inserted between the first retaining wall 122 and the second retaining wall 123 for the ease of the annular divider 30,
The free end of first retaining wall 122 is equipped with the first guide frame, and/or, the free end of second retaining wall 123 is equipped with second
Guide frame.
It should be noted that the free end of retaining wall refers to 12/ rear cover 13 of middle shell that the separate and retaining wall of retaining wall is connect
One end.
Specifically, in the present embodiment, as shown in Figures 3 to 6, the only is equipped in the free end of first retaining wall 122
One guide frame.In this way, structure can be simplified.In other embodiments, it can also be only equipped in the free end of second retaining wall 123
Second guide frame；Alternatively, being equipped with the first guide frame in the free end of first retaining wall 122, and in the second retaining wall 123
Free end is equipped with the second guide frame.
In a particular embodiment, guide frame both can also be able to be to be separately provided to form guide surface based on place retaining wall
Guide part.
In the present embodiment, as shown in Figures 3 to 6, first guide frame includes the first guide surface 1221, and described the
One guide surface 1221 is set to the free end of the side of the second retaining wall 123 of direction of the first retaining wall 122, first guide surface 1221
It is extended to the direction inclination far from the second retaining wall 123.In this way, the structure of the first guide frame can be simplified, cost is reduced, benefit
In realization mass production.
In other embodiments, when the free end of the second retaining wall 123 is equipped with the second guide frame, optionally, described the
Two guide frames include the second guide surface, and second guide surface is set to the side of the first retaining wall 122 of direction of the second retaining wall 123
Free end, it is described second guiding away from the first retaining wall 122 direction tilt be extended.
Specifically, the both ends of the annular divider 30 are only butted on middle shell 12 and rear cover 13 respectively, so that the rear operatic tunes 52 divides
It is cut into vibration cavity 521 and sound absorption cavity 522, and prevents sound-absorbing material from entering vibration cavity 521 by two end sides of annular divider 30.
In the present embodiment, as shown in Figures 3 to 6, first retaining wall 122 and the second retaining wall 123 are set on middle shell 12,
And towards close to rear cover 13 direction projection.First retaining wall 122 and the second retaining wall 123 constitute barrier wall structure.
Optionally, first retaining wall 122 and the second retaining wall 123 and middle 12 integrated injection molding of shell.Can so be enhanced
The structural stability of one retaining wall 122 and the second retaining wall 123.
Specifically, in order to further prevent sound-absorbing material from entering vibration cavity 521 by two end sides of annular divider 30,
The position of the corresponding annular divider 30 of the rear cover 13 is equipped with elastomeric pad, and 30 elasticity of annular divider is only butted on elastic cushion
Piece.Certainly, elastomeric pad may be alternatively provided as a part of annular divider 30, that is, annular divider 30 may also include elastic cushion
The end of annular partition 31 or annular bulkhead is arranged in piece, elastomeric pad.
It, can also be by shaping annular stop on rear cover 13 and/or middle shell 12 in the other embodiments of the utility model
The modes such as groove carry out stationary annular separator 30, need not repeat one by one herein.
Specifically, the shell 10 may be alternatively provided as other structures form.
For example, the shell 10 includes upper cover and lower cover in another embodiment of the utility model, lower cover and upper cover are total
It is same to assemble to form accommodating chamber 50.Wherein, at least one of lower cover and upper cover include side wall, in a specific embodiment, upper cover
For plate structure, lower cover includes bottom wall and side wall, and upper cover lid connects on the side wall of lower cover, to form accommodating chamber 50.
In this embodiment, the operatic tunes 51 before the loudspeaker monomer 20 and upper cover surround.The loudspeaker monomer 20, lower cover
And upper cover surrounds the rear operatic tunes 52 jointly, for improving frequency acoustic performance.
In this embodiment, the first retaining wall 122 and the second retaining wall 123 are set on upper cover or lower lid, are isolated with stationary annular
Part 30.Alternatively, annular stop groove is arranged in upper cover and/or lower cover, with stationary annular separator 30.
The utility model also proposes a kind of mobile terminal, which includes loudspeaker mould group, as shown in Figures 1 to 6,
The specific structure of the loudspeaker mould group 100 is referring to above-described embodiment, since the utility model mobile terminal is using above-mentioned all
Whole technical solutions of embodiment, therefore at least all beneficial effects brought by the technical solution with above-described embodiment,
This is no longer repeated one by one.
Wherein, mobile terminal includes but is not limited to MP3, MP4, MP5, mobile phone, tablet computer etc..
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (12)
1. a kind of loudspeaker mould group characterized by comprising
Shell, the shell is interior to have accommodating chamber；
Loudspeaker monomer is installed on the accommodating chamber, and the accommodating chamber is isolated into the preceding operatic tunes and the rear operatic tunes；And
Annular divider is installed on the rear operatic tunes and is located on the side of the loudspeaker monomer, and the annular divider will
The operatic tunes is isolated into the vibration cavity on the inside of the annular divider and the sound-absorbing on the outside of the annular divider after described
Chamber, the loudspeaker monomer are set to the vibration cavity, and for filling sound-absorbing material, the annular divider has the sound absorption cavity
It is connected to the ventilation device of the sound absorption cavity Yu the vibration cavity.
2. loudspeaker mould group as described in claim 1, which is characterized in that the annular divider and the shell group are equipped with shape
At two sound absorption cavities, two sound absorption cavities are located at the opposite two sides of the loudspeaker monomer.
3. loudspeaker mould group as claimed in claim 2, which is characterized in that corresponding two sound absorption cavities of the ventilation device are set
It is equipped at two.
4. loudspeaker mould group as described in claim 1, which is characterized in that the annular divider includes annular partition, described
Ventilation device includes the multiple ventholes being opened on the annular partition；Or
The annular divider includes annular bulkhead, the ventilation device include the blow vent being opened on the annular bulkhead and
It is installed on the air-permeable member of the blow vent of the annular bulkhead.
5. loudspeaker mould group as claimed in claim 4, which is characterized in that the annular partition is set as metal plate；Or
The air-permeable member and the annular bulkhead integrated injection molding.
6. the loudspeaker mould group as described in claim 1 to 5 any one, which is characterized in that described in corresponding on the shell
The position of annular divider is provided with barrier wall structure, and the barrier wall structure is configured as at least partly described annular divider folder
Hold fixation.
7. loudspeaker mould group as claimed in claim 6, which is characterized in that the shell includes front cover, middle shell and rear cover, described
Offer monomer mounting hole on middle shell, the loudspeaker monomer is installed on the monomer mounting hole, the loudspeaker monomer, described
Middle shell and the front cover surround the preceding operatic tunes jointly, and the loudspeaker monomer, the middle shell, the rear cover and the front cover are total
It is same to surround the rear operatic tunes.
8. loudspeaker mould group as claimed in claim 7, which is characterized in that one of the middle shell and the rear cover are to close
Another direction is convexly equipped with the first retaining wall and the second retaining wall, and first retaining wall and the second retaining wall interval are arranged；The first gear
Wall and second retaining wall constitute annular divider described in the barrier wall structure be connected in first retaining wall and the second retaining wall it
Between.
9. loudspeaker mould group as claimed in claim 8, which is characterized in that first retaining wall and the second retaining wall are disposed as ring
Shape；Or
First retaining wall and the second retaining wall extend along the ring set direction of the annular divider and extend preset length；Or
Person
First retaining wall be arranged at intervals on the ring set direction of the annular divider it is multiple, and/or, second retaining wall
It is arranged at intervals on the ring set direction of the annular divider multiple.
10. loudspeaker mould group as claimed in claim 8, which is characterized in that the free end of first retaining wall is equipped with first and leads
To structure, and/or, the free end of second retaining wall is equipped with the second guide frame.
11. loudspeaker mould group as claimed in claim 10, which is characterized in that first guide frame includes the first guiding
Face, first guide surface are set to the free end of the side towards second retaining wall of first retaining wall, and described first leads
It tilts and is extended to the direction away from second retaining wall；And/or
Second guide frame includes the second guide surface, second guide surface be set to second retaining wall towards described the
The free end of the side of one retaining wall, second guiding are tilted away from the direction of first retaining wall and are extended.
12. a kind of mobile terminal, which is characterized in that including the loudspeaker mould group as described in claim 1 to 11 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600231.6U CN208675505U (en) | 2018-09-28 | 2018-09-28 | Loudspeaker mould group and mobile terminal |
| PCT/CN2018/125708 WO2020062697A1 (en) | 2018-09-28 | 2018-12-29 | Speaker module, and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821600231.6U CN208675505U (en) | 2018-09-28 | 2018-09-28 | Loudspeaker mould group and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208675505U true CN208675505U (en) | 2019-03-29 |
Family
ID=65842692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821600231.6U Active CN208675505U (en) | 2018-09-28 | 2018-09-28 | Loudspeaker mould group and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208675505U (en) |
| WO (1) | WO2020062697A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134429A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021138951A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2022041442A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112153500B (en) * | 2020-08-27 | 2022-03-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7556121B2 (en) * | 2006-12-15 | 2009-07-07 | Foxconn Technology Co., Ltd. | Speaker set and mobile phone incorporating the same |
| CN204948357U (en) * | 2015-08-08 | 2016-01-06 | 歌尔声学股份有限公司 | Loud speaker module |
| CN207625783U (en) * | 2017-08-18 | 2018-07-17 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN207266284U (en) * | 2017-09-22 | 2018-04-20 | 歌尔科技有限公司 | Loudspeaker module |
-
2018
- 2018-09-28 CN CN201821600231.6U patent/CN208675505U/en active Active
- 2018-12-29 WO PCT/CN2018/125708 patent/WO2020062697A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134429A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2021138951A1 (en) * | 2020-01-09 | 2021-07-15 | 瑞声声学科技(深圳)有限公司 | Speaker enclosure |
| WO2022041442A1 (en) * | 2020-08-27 | 2022-03-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020062697A1 (en) | 2020-04-02 |
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