CN201781520U - Shell with built-in antenna - Google Patents
Shell with built-in antenna Download PDFInfo
- Publication number
- CN201781520U CN201781520U CN2010205030782U CN201020503078U CN201781520U CN 201781520 U CN201781520 U CN 201781520U CN 2010205030782 U CN2010205030782 U CN 2010205030782U CN 201020503078 U CN201020503078 U CN 201020503078U CN 201781520 U CN201781520 U CN 201781520U
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- plastic layer
- housing
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Abstract
The utility model discloses a shell with a built-in antenna, which comprises an inner plastic layer, an outer plastic layer and an antenna. The inner plastic layer is adhered to one side of the outer plastic layer; the antenna is wrapped between the inner plastic layer and the outer plastic layer; and the antenna comprises an electrical connector, and the connecting part of the electrical connector and an external circuit is not coated by plastics. The utility model has attractive appearance. Moreover, compared with the traditional shell for antenna assembly, the utility model saves the interior space of the shell to the largest extent, eliminates the hot melting, assembly and other processes for the traditional support for antenna assembly, reduces production procedures, improves the production efficiency, reduces the production cost and achieves high reliability.
Description
Technical field
The utility model relates to a kind of housing, especially a kind of housing of built-in aerial.
Background technology
Existing antenna for mobile phone is divided into built-in mobile phone antenna and external antenna for mobile phone according to the difference of installation site; External antenna for mobile telephone set is to outer process substantially, and is in use fragile, and the praetersonic rate of external antenna for mobile phone also causes the increase of power consumption.The shape of projection also is not suitable for the optimization of whole cell phone appearance, and external antenna for mobile phone being replaced by the built-in mobile phone antenna gradually for whole compact mobile phones design style day by day, is that the space reserved of antenna for mobile phone is more and more littler during mobile phones design.
Present built-in aerial generally is after producing housing earlier, does the corresponding structure location on housing, then the antenna holder of making is placed in place, corresponding structure location, with hot melt or other fit antenna holder is fixed on the housing.The shell that has built-in aerial that obtains by the method, built-in aerial not only takies the inner space of housing, influence the instructions for use of mobile phone " compact ", and it is bad to cause distortion to scratch etc. to antenna itself in the assembling process of back processing procedure, in use loosening easily even come off by the fixing antenna of above-mentioned fit, have influence on aerial signal and receive, and because the assembling process of back processing procedure needs operator operation one by one, increased cost of labor and production efficiency is lower.
The utility model content
The utility model takies shell space, fraction defective height, reliability is low, production efficiency is low technical problem at prior art, a kind of housing of built-in aerial is provided, the housing of this built-in aerial can be saved shell space substantially, the yield height, the reliability height, and, reduced production process owing to technical processs such as support hot melt that has saved traditional assembling antenna and assemblings, improve production efficiency, reduced production cost.
For solving the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of housing of built-in aerial, plastic layer and outer plastic layer and antenna in comprising is characterized in that:
Plastic layer fits in a side of described outer plastic layer in described; Described antenna is covered by between described interior plastic layer and the outer plastic layer; Described antenna comprises electric connector, and the described electric connector part that is connected with external circuit does not have sizing material and coats.
Plastic layer thickness is 0.5mm to 0.8mm in described, and described outer plastic layer thickness is 0.5mm to 0.8mm.
The connection shell fragment of described antenna embeds in the described housing or protrudes in the outside of described interior plastic layer.
The connection shell fragment of described antenna comprises signal input part and signal output part.
Described antenna is plane class antenna or non-planar antenna, and the material of described antenna is copper sheet or aluminium flake.
The housing of the built-in aerial that the utility model provides, because of built-in aerial is coated in the housing, so can save shell space substantially, and antenna is fixed on pollutions such as also avoiding extraneous as air, water, dust in the housing or corrodes the adverse effect of the signal transmitting and receiving function that brings, the reliability height.Plastic layer and outer plastic layer in housing is divided into make selection more rich and varied, and the collocation of different plastic rubber materials has greatly increased the aesthetic property of product, functional and texture etc., and interior plastic layer plastic rubber material can use recovery waste material or lower quality feedstocks to reduce cost.Compared to existing technology, the shell of the disclosed built-in aerial of the utility model has saved technical processs such as the support hot melt of traditional assembling antenna and assembling, has reduced production process, has improved production efficiency, has reduced production cost.
Figure of description
Fig. 1 is the plane graph of the built-in aerial housing of the basic embodiment of the utility model;
Fig. 2 is the A-A profile of the built-in aerial housing of the basic embodiment of the utility model;
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model embodiment provides a kind of built-in aerial housing, and it comprises as depicted in figs. 1 and 2:
Interior plastic layer 1 and outer plastic layer 2 and antenna 3, interior plastic layer 1 fits in a side of outer plastic layer 2, and described applying is meant by injection molding process the plastic rubber material of interior plastic layer 1 and outer plastic layer 2 is fit together fully.Interior plastic layer 1 is positioned at the inboard of housing, and the inboard of described housing is meant when housing is assemblied on the mobile phone normal the use towards the mobile phone internal body or is hidden in internal body one side.In outer plastic layer 2 is coated on the one side of plastic layer 1 and be positioned at the outside of described housing.Outer plastic layer 2 is coated on the one side of interior plastic layer 1, comprise on the one side of plastic layer 1 in described outer plastic layer 2 is coated on outer plastic layer 2 be coated on the one side of interior plastic layer 1 fully or outer plastic layer 2 except that antenna 3 coats fully, in part is coated on the one side of plastic layer 1, the outside of described housing is meant a side that is assemblied in outside when using on the mobile phone at housing.Antenna 3 is arranged on the particular location in the housing, need be according to positions of electronic parts in the mobile phone, and composite factors such as the reception of mobile phone signal are determined.
The connection shell fragment 31 of antenna is arranged on a side of described antenna 3, and antenna shrapnel 31 perhaps waits other technologies to form by the back welding by forming with antenna 3 direct integrated stamping-outs.
The one side that the connection shell fragment 31 of antenna is positioned at described plastic layer 1 outside does not have sizing material and coats, described in the outside of plastic layer 1 be meant in plastic layer 1 side of not fitting with outer plastic layer 2.The connection shell fragment 31 of described antenna is positioned at the one side in described plastic layer 1 outside does not have the sizing material coating, is meant that the connection shell fragment 31 of antenna 3 embeds in the described housing, and the one side that is positioned at described plastic layer 1 outside is exposed, as electric connector.Perhaps the connection shell fragment 31 of antenna 3 protrudes in the outside of described interior plastic layer 1 fully, and the two sides that connects shell fragment 31 does not all have the sizing material coating.
The connection shell fragment 31 of antenna 3 comprises signal input part and signal output part.
Interior plastic layer 1 thickness is 0.5mm to 0.8mm, and described outer plastic layer 2 thickness are 0.5mm to 0.8mm.In this number range, thereby interior plastic layer 1 and outer plastic layer 2 are not easy to occur shrinking or injecting general thickness and the presentation quality that undersaturated defective guarantees housing when injection moulding.In the present embodiment, the thickness of interior plastic layer 1 is 0.7mm, and the thickness setting of outer plastic layer 2 is 0.7mm.
For guaranteeing the signal reception of built-in aerial, the housing after the injection moulding does not use the conductive paint spraying as far as possible, or uses electroplated decoration.
The material of plastic layer 1 and outer plastic layer 2 can be selected for use to transparent for the demand of attractive in appearance or texture in described, the material of special sense of touch effect such as special visual effect such as translucent or opaque or flexible glue, interior plastic layer 1 also can select for use reclaimed materials or lower quality feedstocks to reduce the housing cost owing to be positioned at the inboard of housing.
Described antenna 3 is plane class antenna or non-planar antenna, if non-planar antenna, need determine whether housing is suitable for the injection moulding of antenna according to the global shape and the thickness of non-planar antenna, if the integral thickness of antenna exceeds the thickness of housing, perhaps the shape of non-planar antenna is unsuitable for being placed in the housing, then can not use this method.The material selection copper sheet of antenna 3 or aluminium flake etc. are easy to the material of stamping-out, and the thickness of antenna is generally 0.1mm, and its size and structure are decided according to the Antenna Design demand.
The utility model is realized by following steps: antenna is made, location, injection moulding for the first time, injection moulding for the second time and eject.
The antenna making step is the antenna that obtains needs with the method for stamping-out moulding, and the antenna material is a brass, and antenna comprises the connection shell fragment, and antenna thickness is 0.1mm.
Positioning step is inserted relevant position in the mould with above-mentioned antenna, and with Antenna Positioning in mould.The injection moulding board has two injecting systems and two secondary moulds, the shared matched moulds system of two secondary moulds, and mould structure is designed to the formal dress mould.The cover half of mould is installed on the lathe fixed form, and dynamic model is installed on the machine tool rotary plate.The core of two secondary moulds is identical, and die cavity is designed to one little one big according to the step of the structure of product and moulding.In order to prevent antenna off normal in injection moulding process, its elastic piece structure is fixed on earlier on the relevant position of mould dynamic model, in the quiet mould of mould, design vacuum absorption device, behind the matched moulds antenna is adsorbed on the quiet mould die face.The utility model indication antenna places Mo Nei can adopt manipulator to place, guarantee the accuracy and the higher production efficiency of its placement location, Antenna Positioning is meant that doing corresponding structure on mould locatees or adopt vacuum suction method location, and so-called vacuum suction comes " absorption " workpiece to reach the purpose of holding workpiece for utilizing negative pressure of vacuum.
Injection step for the first time, described first time, injection step was meant that the plastic rubber material that first of fusion is penetrated injects in the mould, finished injection moulding for the first time after pressurize, cooling, obtained including the interior plastic layer of antenna.Finishing one penetrates when dividing mould after the injection moulding vacuum suction on its quiet die face and finishes process one time.Because the antenna latten(-tin) is softer, be the washing shrinkage of the plastic rubber material of the avoiding injection moulding size impact to product, the plastic rubber material of interior plastic layer is selected washing shrinkage less plastics PC (Merlon), PC+ABS (mixture of Merlon and acrylonitrile-butadiene-styrene (ABS) copolyesters), PC+GF (Merlon adds glass fibre and strengthens mixture) etc.Further, higher in order to obtain dimensional accuracy, the appearance better products, present embodiment one jet modling material is selected PC+GF (Merlon adds glass fibre and strengthens mixture).Injection temperature is 300 ℃, injection speed 150mm/s, dwell pressure 800-1000Kg/cm2, dwell time 0.5-1s; 110 ℃ of the mould temperature of cover half, 100 ℃ of the mould temperature of dynamic model, cooling time, 4-5s obtained interior plastic layer.The cast gate of the mould of injection moulding for the first time is a fan gate, and side is advanced the glue mode, to reduce the into pressure of glue;
Injection step for the second time, after the described second time, injection step was meant rotary die, the plastic rubber material that second of fusion is penetrated injects in the mould, finishes injection moulding for the second time after pressurize, cooling, and antenna is coated between interior plastic layer and the outer plastic layer except that connecting shell fragment fully.Mould is opened, finger plate rotates 180 °, the molded interior plastic layer that wraps on the core is delivered to as inserts on the service position of another one injecting systems at big die cavity place, behind the matched moulds, injecting systems injects the plastic rubber material of injection moulding for the second time in big swaging die, consider and to select with the plastic rubber material of the adhesion problem of interior plastic layer injection moulding for the second time as far as possible and one penetrate close plastics, and plastic layer generation melting deformation in making when injecting for the material of avoiding injection moulding for the second time, when selecting plastic rubber material for use, the first material injection temperature of penetrating will be penetrated the high of material therefor than second, usually, the first material injection temperature of penetrating will than second penetrate material therefor want high 20 degrees centigrade to 40 degrees centigrade, penetrate product and melting deformation can not take place to guarantee when two penetrate material and pour one.For reducing the into pressure of glue, the cast gate of the mould of injection moulding for the second time is for being designed to fan gate.The plastic rubber material of the injection moulding second time of present embodiment is selected PC+ABS (mixture of Merlon and acrylonitrile-butadiene-styrene (ABS) copolyesters), its injection temperature is set at 275 ℃, injection speed 120mm/s, dwell pressure 1200Kg/cm2, dwell time 0.5-1s, the mould temperature of cover half is 110 ℃, and the mould temperature of dynamic model is 100 ℃, cooling time 4-5s.
Eject step will carry out the mould of injection moulding for the second time and open, and ejecting mechanism ejects product, obtains having the housing of built-in coating antenna.
The housing of the built-in aerial that the utility model provides, solved the problem of portable terminal products such as mobile phone because of the location structure difficult design that built-in aerial brought, because of built-in aerial is coated in the housing, so can save shell space substantially, and antenna is fixed on pollutions such as also avoiding extraneous as air, water, dust in the housing or corrodes the adverse effect of the signal transmitting and receiving function that brings, reliability height.Plastic layer and outer plastic layer in housing is divided into make selection more rich and varied, and the collocation of different plastic rubber materials has greatly increased the aesthetic property of product, functional and texture etc., and interior plastic layer plastic rubber material can use recovery waste material or lower quality feedstocks to reduce cost.Compared to existing technology, the shell of the disclosed built-in aerial of the utility model has saved technical processs such as the support hot melt of traditional assembling antenna and assembling, has reduced production process, has improved production efficiency, has reduced production cost.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. the housing of a built-in aerial comprises interior plastic layer and outer plastic layer and antenna, it is characterized in that:
Plastic layer fits in a side of described outer plastic layer in described;
Described antenna is covered by between described interior plastic layer and the outer plastic layer;
Described antenna comprises electric connector, and the described electric connector part that is connected with external circuit does not have sizing material and coats.
2. the housing of built-in aerial according to claim 1 is characterized in that, described interior plastic layer thickness is 0.5mm to 0.8mm, and described outer plastic layer thickness is 0.5mm to 0.8mm.
3. the housing of built-in aerial according to claim 1 is characterized in that, the electric connector of described antenna is for connecting shell fragment.
4. the housing of built-in aerial according to claim 3 is characterized in that, described connection shell fragment embeds in the described housing.
5. the housing of built-in aerial according to claim 3 is characterized in that, described connection shell fragment stretches out the outside of described interior plastic layer.
6. the housing of built-in aerial according to claim 1 is characterized in that, described antenna is plane class antenna or non-planar antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205030782U CN201781520U (en) | 2010-08-21 | 2010-08-21 | Shell with built-in antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205030782U CN201781520U (en) | 2010-08-21 | 2010-08-21 | Shell with built-in antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781520U true CN201781520U (en) | 2011-03-30 |
Family
ID=43794719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205030782U Expired - Fee Related CN201781520U (en) | 2010-08-21 | 2010-08-21 | Shell with built-in antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781520U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095871A (en) * | 2011-11-08 | 2013-05-08 | 联想(北京)有限公司 | Touch screen fixing method and electronic equipment |
| CN105538593A (en) * | 2016-01-08 | 2016-05-04 | 歌尔声学股份有限公司 | Injection molding method for product with flexible insert and wristband |
| CN107087863A (en) * | 2017-06-12 | 2017-08-25 | 东莞华晶粉末冶金有限公司 | A kind of shell structure of bracelet and preparation method thereof |
| CN109151137A (en) * | 2018-08-01 | 2019-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Handset shell and preparation method thereof, mobile phone |
-
2010
- 2010-08-21 CN CN2010205030782U patent/CN201781520U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095871A (en) * | 2011-11-08 | 2013-05-08 | 联想(北京)有限公司 | Touch screen fixing method and electronic equipment |
| CN105538593A (en) * | 2016-01-08 | 2016-05-04 | 歌尔声学股份有限公司 | Injection molding method for product with flexible insert and wristband |
| CN105538593B (en) * | 2016-01-08 | 2018-04-27 | 歌尔股份有限公司 | The injection molding forming method and wrist strap of product with flexible insert |
| CN107087863A (en) * | 2017-06-12 | 2017-08-25 | 东莞华晶粉末冶金有限公司 | A kind of shell structure of bracelet and preparation method thereof |
| CN107087863B (en) * | 2017-06-12 | 2019-10-18 | 东莞华晶粉末冶金有限公司 | A kind of shell structure of bracelet and preparation method thereof |
| CN109151137A (en) * | 2018-08-01 | 2019-01-04 | 宇龙计算机通信科技(深圳)有限公司 | Handset shell and preparation method thereof, mobile phone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110330 Termination date: 20150821 |
|
| EXPY | Termination of patent right or utility model |