CN207518847U - A kind of micro injection bonded structure of loud speaker - Google Patents
A kind of micro injection bonded structure of loud speaker Download PDFInfo
- Publication number
- CN207518847U CN207518847U CN201721784738.7U CN201721784738U CN207518847U CN 207518847 U CN207518847 U CN 207518847U CN 201721784738 U CN201721784738 U CN 201721784738U CN 207518847 U CN207518847 U CN 207518847U
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- casing
- adhesive linkage
- injection
- loudspeaker box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000000520 microinjection Methods 0.000 title claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 claims abstract description 51
- 239000000853 adhesive Substances 0.000 claims abstract description 50
- 238000002347 injection Methods 0.000 claims abstract description 21
- 239000007924 injection Substances 0.000 claims abstract description 21
- 230000002787 reinforcement Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000001746 injection moulding Methods 0.000 abstract description 20
- 238000004078 waterproofing Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 11
- 238000003672 processing method Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 6
- 239000004425 Makrolon Substances 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920000515 polycarbonate Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- WMGSQTMJHBYJMQ-UHFFFAOYSA-N aluminum;magnesium;silicate Chemical compound [Mg+2].[Al+3].[O-][Si]([O-])([O-])[O-] WMGSQTMJHBYJMQ-UHFFFAOYSA-N 0.000 description 4
- 239000003963 antioxidant agent Substances 0.000 description 4
- 230000003078 antioxidant effect Effects 0.000 description 4
- 235000006708 antioxidants Nutrition 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004431 polycarbonate resin Substances 0.000 description 4
- 229920005668 polycarbonate resin Polymers 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- MIDZQLGOZMFQPO-UHFFFAOYSA-N magnesium;barium(2+);dioxido(oxo)silane Chemical compound [Mg+2].[Ba+2].[O-][Si]([O-])=O.[O-][Si]([O-])=O MIDZQLGOZMFQPO-UHFFFAOYSA-N 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical group CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007586 pull-out test Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 2
- 206010068052 Mosaicism Diseases 0.000 description 1
- 229920007019 PC/ABS Polymers 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical group C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- CWAFVXWRGIEBPL-UHFFFAOYSA-N ethoxysilane Chemical compound CCO[SiH3] CWAFVXWRGIEBPL-UHFFFAOYSA-N 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The utility model provides a kind of micro injection bonded structure of loud speaker, is molded adhesive linkage by precise micro, passive loudspeaker and casing of loudspeaker box is made to combine closely, form integral structure, have good air-tightness and water proofing property, reduce vibration phenomenon.The micro injection bonded structure of the utility model uses independent injection molding apparatus progress casing of loudspeaker box and adhesive linkage injection, realizes full-automatic production, thus instead of traditional dispensing mode of production, and production efficiency is high.
Description
Technical field
The utility model is related to the technical field that the shell of electronic product is handled, more particularly, to a kind of the micro of loud speaker
It is molded bonded structure.
Background technology
Currently on the market, the connection between casing of loudspeaker box and passive loudspeaker usually carries out glued connection with dispensing processing procedure.Dispensing
The stability of making technology is easily influenced by product structure, will appear dispensing in the cohesive position of bending, tomography and accessory
Undesirable situation, this can cause the air-tightness of speaker and waterproof sex chromosome mosaicism, generate some speaker defective products, lead to production of doing over again；
And in dispensing processing procedure, the curing of glue is also required to longer time, this also leads to the reduction of production efficiency, increases production cost
Add.
Therefore, how to design a kind of simple in structure, the good loudspeaker acoustic enclosure shell mechanism of air-tightness is the skill of this field
Art personnel need the technical problem solved.
Invention content
In order to solve the above problem of the existing technology, the micro injection that the utility model provides a kind of loud speaker is glued
Binding structure is molded adhesive linkage by precise micro, passive loudspeaker and casing of loudspeaker box is made to combine closely, forms integral structure, have
Good air-tightness and water proofing property reduce vibration phenomenon.The micro injection bonded structure of the utility model, uses independent note
It moulds former and carries out casing of loudspeaker box and adhesive linkage injection, realize full-automatic production, so as to be produced instead of traditional dispensing
Mode, and production efficiency is high.
To achieve the above object, the utility model provides following technical solution：
A kind of micro injection bonded structure of loud speaker, including passive loudspeaker, casing of loudspeaker box and adhesive linkage, the passive loudspeaker
Offer first through hole and the second through-hole, the casing of loudspeaker box is provided with stepped column, ring segment and stepped hole；Described first is logical
Hole is installed in stepped column and is positioned；The adhesive linkage forms in stepped hole through the second through-hole and strengthens bonding column；
The ring segment is connected on adhesive linkage；The passive loudspeaker and casing of loudspeaker box are molded to form integral structure by adhesive linkage.
Stair-stepping stepped column can be combined with first through hole and be installed, and form the support positioning action to passive loudspeaker, again
It can be to the fixed function of passive loudspeaker；In adhesive linkage injection molding, the second through-hole of passive loudspeaker is run through, while in speaker
Reinforcement bonding column is formd in the stepped hole of shell, further strengthens the close connection of passive loudspeaker and casing of loudspeaker box.In addition, sound
The ring segment of case shell setting is connected on adhesive linkage, it is ensured that the secured effect of bonding.By being molded adhesive linkage, make passive loudspeaker
It combines closely to form integral structure with casing of loudspeaker box, there is good air-tightness and water proofing property.
As further describing for the technical solution of the utility model, the stepped hole and reinforcement bonding column are respectively provided with down T
Shape structure.Inverted T-shaped structure can strengthen the bonding compactness of adhesive linkage and casing of loudspeaker box, it is ensured that the stabilization that is connected firmly of the two.
As further describing for the technical solution of the utility model, the injection is formed integral structure and is noted using piston type
Modeling or screw injection form integral structure.Piston type is molded or screw injection is accurate control, and then to casing of loudspeaker box
Injection synchronous with adhesive linkage realization, it is ensured that the two has the identical production cycle, i.e., while casing of loudspeaker box layer is molded, also exists
It is molded adhesive linkage.
As further describing for the technical solution of the utility model, the passive loudspeaker passive loudspeaker open for monolithic
.Adhesive linkage is realized and casing of loudspeaker box is combined closely by being molded for monolithic open passive loudspeaker, it is ensured that structure has good
Good air-tightness and water proofing property.
The processing method of the micro injection bonded structure of above-mentioned loud speaker, specifically includes following steps：
（1）Passive loudspeaker are put into mold, using independent injection molding apparatus simultaneously be molded formed casing of loudspeaker box and
Adhesive linkage, the adhesive linkage are molded using precise piston formula injection molding manner；
（2）The passive loudspeaker and casing of loudspeaker box form integral structure by adhesive linkage；
（3）After the completion of injection, demoulding is completed in cooling.
In the processing method of the structure injection molding, passive loudspeaker are positioned in mold using mechanical arm, are then adopted
Casing of loudspeaker box and adhesive linkage are molded with independent injection molding apparatus, realize full-automatic production.
In injection moulding process, the material of all casing of loudspeaker box and adhesive linkage does not have any waste, in cost-effective raising material
While expecting utilization rate, the pollution of environment will not be formed.Simultaneously because product casing of loudspeaker box and adhesive linkage have identical note
The production cycle is moulded, can effectively ensure that and casing of loudspeaker box and passive loudspeaker are combined closely and to form integral structure by adhesive linkage, subtract
Shake less sound the phenomenon that occur.
As further describing for the micro processing method for being molded bonded structure, the material of the passive loudspeaker is butylbenzene
Rubber or modified polypropene.
As further describing for the micro processing method for being molded bonded structure, the casing of loudspeaker box layer is makrolon
Or one kind of acrylonitrile-butadiene-styrene copolymer or the mixing alloy material of the two.Makrolon and acrylic nitrile-butadiene
The mixing alloy material of diene-styrene copolymer is PC/ABS alloys, by makrolon（PC）With acrylonitrile-butadiene-
The thermoplastic plastic that phenylethene copolymer alloy forms.
As further describing for the micro processing method for being molded bonded structure, the adhesive linkage is polyethylene, poly- ammonia
The mixture of one kind and polycarbonate resin and additive in ester, polyamide；The additive is three ethoxy of methyl
Base silane, aminopropyl trimethoxysilane, 1010 antioxidant of vapour bar and aluminium-magnesium silicate mixture.
Above-mentioned additive, including methyltriethoxysilane, aminopropyl trimethoxysilane, 1010 antioxidant of vapour bar and
Aluminium-magnesium silicate is commercially available, and utility model people selects the additive of above-mentioned different materials mixing composition by preferred, with
When the mixture of polyethylene, one kind of polyurethane and polyamide and polycarbonate resin is compounded so that adhesive linkage
Adhesive effect it is good, it is ensured that the connectivity robustness of casing of loudspeaker box and passive loudspeaker makes it have good air-tightness and water proofing property.
Based on above-mentioned technical solution, the technique effect that the utility model obtains is：
（1）The micro injection bonded structure of loud speaker provided by the utility model, by being molded adhesive linkage, makes passive loudspeaker
Integral structure is formed with casing of loudspeaker box, injection moulding process is easy to implement, and encapsulation is stablized, and simple in structure, sealing effect is good so that sound
Case shell is combined closely with passive loudspeaker, is ensured that loadspeaker structure has good air-tightness and water proofing property, is reduced vibration phenomenon
Generation.
（2）The micro injection bonded structure of the loud speaker of the utility model, uses independent injection molding apparatus to carry out
Casing of loudspeaker box and adhesive linkage injection, realize full-automatic production, so as to instead of traditional dispensing mode of production, save assembling
Time and human cost, and production efficiency is high.In the injection moulding process of the structure, the material of all casing of loudspeaker box and adhesive linkage
There is no any waste, while cost-effective raising stock utilization, the pollution of environment will not be formed.
Description of the drawings
Fig. 1 is the schematic cross-section of the micro injection bonded structure of the loud speaker of the utility model.
Specific embodiment
For the ease of understanding the utility model, the utility model is carried out more below in conjunction with attached drawing and specific embodiment
Comprehensive description.The better embodiment of the utility model is given in attached drawing.But the utility model can be with many differences
Form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make pair
The more thorough and comprehensive that the disclosure of the utility model understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
Fig. 1 gives the schematic cross-section of the micro injection bonded structure of the loud speaker of embodiment 1, with reference to figure 1, Yi Zhongyang
The micro injection bonded structure of sound device, including passive loudspeaker 1, casing of loudspeaker box 2 and adhesive linkage 3.Wherein, passive loudspeaker 1 offer
11 and second through-hole 12 of first through hole, and casing of loudspeaker box 2 is then provided with stepped column 21, ring segment 22 and stepped hole 23.In this reality
It applies in example, 11 and second through-hole 12 of first through hole is opened on passive loudspeaker 1, and there are one between passive loudspeaker 1 and casing of loudspeaker box 2
Fixed gap, these gaps will be filled bonding by adhesive linkage 3.
First through hole 11 is installed in stepped column 21 and is positioned.The stepped column 21 of casing of loudspeaker box 2 has stair-stepping knot
Structure can combine with first through hole 11 and install, form the support positioning action to passive loudspeaker 1, but can to passive loudspeaker 1 into
Row is fixed.Adhesive linkage 3 has run through the second through-hole 12 of passive loudspeaker 1, while in the step of casing of loudspeaker box 1 in injection molding
Reinforcement bonding column 31 is formd in hole 23, the close connection of passive loudspeaker and casing of loudspeaker box can be strengthened.
It should be noted that stepped hole 23 and reinforcement bonding column 31 are respectively provided with inverted T-shaped structure, which can enhance bonding
The bonding compactness of layer and casing of loudspeaker box, it is ensured that the stabilization that is connected firmly of the two.
In addition, the ring segment 22 of casing of loudspeaker box 2 is connected on adhesive linkage 3, it is ensured that the fastness of bonding.It is bonded by being molded
Layer 3, makes passive loudspeaker 1 and casing of loudspeaker box 2 combine closely to form integral structure, has good air-tightness and water proofing property.
In the present embodiment, using piston type injection or screw injection by the way of by passive loudspeaker 1 and casing of loudspeaker box 2
Form integral structure.Piston type is molded or screw injection is accurate control, and then casing of loudspeaker box 2 and adhesive linkage 3 are realized
Synchronous injection, it is ensured that the two has the identical production cycle, i.e., while casing of loudspeaker box layer is molded, also in injection adhesive linkage.
For the passive loudspeaker of different structure, the optimization design in structure can be carried out to casing of loudspeaker box and adhesive linkage, i.e.,
This micro injection bonded structure can be adapted for the passive loudspeaker of different structure.In the present embodiment, passive loudspeaker are set as
The open passive loudspeaker of monolithic.
The micro injection bonded structure of loud speaker provided in this embodiment, by being molded adhesive linkage, makes passive loudspeaker and sound
Case shell forms integral structure, and injection moulding process is easy to implement, and encapsulation is stablized, and simple in structure, sealing effect is good so that outside speaker
Shell is combined closely with passive loudspeaker, is ensured that loadspeaker structure has good air-tightness and water proofing property, is reduced the hair of vibration phenomenon
It is raw.
Embodiment 2
A kind of processing method of the micro injection bonded structure of loud speaker, specifically includes following steps：
（1）Passive loudspeaker are put into mold using mechanical arm, are then noted simultaneously with independent injection molding apparatus
It is moulding into casing of loudspeaker box and adhesive linkage, adhesive linkage is molded using precise piston formula injection molding manner；
（2）Passive loudspeaker and casing of loudspeaker box form integral structure by adhesive linkage；
（3）After the completion of injection, demoulding is completed in cooling.
In the present embodiment, the material of passive loudspeaker is butadiene-styrene rubber, and the material of casing of loudspeaker box is makrolon；Adhesive linkage
It is anti-oxidant for polyamide, polycarbonate resin, methyltriethoxysilane, aminopropyl trimethoxysilane, vapour bar 1010
Agent and the mixture of aluminium-magnesium silicate.
The processing method of the micro injection bonded structure of loud speaker provided in this embodiment, uses independent injection molding
Equipment carries out casing of loudspeaker box and adhesive linkage injection, realizes full-automatic production, so as to instead of traditional dispensing mode of production, section
Assembly time and human cost are saved, and production efficiency is high.In the injection moulding process of the processing method, all casing of loudspeaker box and
The material of adhesive linkage does not have any waste, while cost-effective raising stock utilization, will not form the pollution of environment.
It is strong to produce and process the obtained adhesiveness of casing of loudspeaker box and passive loudspeaker, it is full by the environmental testing and pull-out test of high/low temperature
The requirement of sufficient client.
Embodiment 3
A kind of processing method of the micro injection bonded structure of loud speaker, specifically includes following steps：
（1）Passive loudspeaker are put into mold using mechanical arm, are then noted simultaneously with independent injection molding apparatus
Moulding into casing of loudspeaker box and adhesive linkage, casing of loudspeaker box is molded using screw injection mode, and adhesive linkage uses precise piston
Formula injection molding manner is molded；
（2）Passive loudspeaker and casing of loudspeaker box form integral structure by adhesive linkage；
（3）After the completion of injection, demoulding is completed in cooling.
In the present embodiment, the material of passive loudspeaker is modified polypropene, and the material of casing of loudspeaker box is makrolon and third
The mixing alloy material of alkene nitrile-butadiene-styrene copolymer；Adhesive linkage is polyamide, polycarbonate resin, methyl three
Ethoxysilane, aminopropyl trimethoxysilane, 1010 antioxidant of vapour bar and aluminium-magnesium silicate mixture.
The processing method of the micro injection bonded structure of loud speaker provided in this embodiment, uses independent injection molding
Equipment carries out casing of loudspeaker box and adhesive linkage injection, realizes full-automatic production, so as to instead of traditional dispensing mode of production, section
Assembly time and human cost are saved, and production efficiency is high.In the injection moulding process of the processing method, all casing of loudspeaker box and
The material of adhesive linkage does not have any waste, while cost-effective raising stock utilization, will not form the pollution of environment.
It is strong to produce and process the obtained adhesiveness of casing of loudspeaker box and passive loudspeaker, it is full by the environmental testing and pull-out test of high/low temperature
The requirement of sufficient client.
More than content is only the structure example and explanation of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these it is aobvious and
The alternative forms being clear to belong to the scope of protection of the utility model.
Claims (4)
1. the micro injection bonded structure of a kind of loud speaker, which is characterized in that including passive loudspeaker（1）, casing of loudspeaker box（2）With it is viscous
Connect layer（3）, the passive loudspeaker（1）Offer first through hole（11）With the second through-hole（12）, the casing of loudspeaker box（2）It is provided with
Stepped column（21）, ring segment（22）And stepped hole（23）；The first through hole（11）It is installed on stepped column（21）In positioned；
The adhesive linkage（3）Through the second through-hole（12）, and in stepped hole（23）Middle formed strengthens bonding column（31）；The ring segment
（22）It is connected to adhesive linkage（3）On；The passive loudspeaker（1）And casing of loudspeaker box（2）Pass through adhesive linkage（3）Injection forms one knot
Structure.
2. micro injection bonded structure according to claim 1, which is characterized in that the stepped hole（23）It is bonded with reinforcement
Column（31）It is respectively provided with inverted T-shaped structure.
3. micro injection bonded structure according to claim 1, which is characterized in that the injection forms integral structure use
Piston type is molded or screw injection forms integral structure.
4. micro injection bonded structure according to claim 1, which is characterized in that the passive loudspeaker are open for monolithic
Passive loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784738.7U CN207518847U (en) | 2017-12-20 | 2017-12-20 | A kind of micro injection bonded structure of loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721784738.7U CN207518847U (en) | 2017-12-20 | 2017-12-20 | A kind of micro injection bonded structure of loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518847U true CN207518847U (en) | 2018-06-19 |
Family
ID=62544528
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721784738.7U Withdrawn - After Issue CN207518847U (en) | 2017-12-20 | 2017-12-20 | A kind of micro injection bonded structure of loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207518847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948892A (en) * | 2017-12-20 | 2018-04-20 | 东莞迪芬尼电声科技有限公司 | The micro injection bonded structure and its processing method of a kind of loudspeaker |
-
2017
- 2017-12-20 CN CN201721784738.7U patent/CN207518847U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948892A (en) * | 2017-12-20 | 2018-04-20 | 东莞迪芬尼电声科技有限公司 | The micro injection bonded structure and its processing method of a kind of loudspeaker |
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