CN106657483B - A kind of metallic mobile phone rear cover and its manufacturing method - Google Patents
A kind of metallic mobile phone rear cover and its manufacturing method Download PDFInfo
- Publication number
- CN106657483B CN106657483B CN201710118483.9A CN201710118483A CN106657483B CN 106657483 B CN106657483 B CN 106657483B CN 201710118483 A CN201710118483 A CN 201710118483A CN 106657483 B CN106657483 B CN 106657483B
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- Prior art keywords
- rear cover
- antenna slot
- antenna
- slot
- sealing
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/3431—Telephones, Earphones
- B29L2031/3437—Cellular phones
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Details Of Aerials (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to mobile communication fields, provide a kind of metallic mobile phone rear cover and its manufacturing method, the metallic mobile phone rear cover includes metal shell body and plastic inner shell body, the metal shell body is equipped at least one antenna slot, it is characterized in that, antenna slot strip of paper used for sealing is inlaid in the antenna slot, the plastic inner shell body is equipped with fixing groove on the inside of the antenna slot, connector is accordingly equipped on the inside of the antenna slot strip of paper used for sealing with the fixing groove, the antenna slot strip of paper used for sealing is fixed in antenna slot by the connector and fixing groove cooperation.Metallic mobile phone rear cover structure provided in an embodiment of the present invention is simple, it is easily manufactured, the manufacturing method of the metallic mobile phone rear cover is processed by the process of " punching press outer housing-injection molding inner housing-Kaitian's wire casing-injection molding antenna slot strip of paper used for sealing ", the problem of being deformed when avoiding antenna slot injection molding by injection pressure, time saving material-saving, improves work efficiency.
Description
Technical field
The present invention relates to mobile communication field more particularly to a kind of metallic mobile phone rear cover and its manufacturing methods.
Background technique
With the continuous development of mobile phone terminal, the phone housing of metal material is since its texture rich in color is good, increasingly
Liked by masses.Existing metallic mobile phone rear cover, including metal shell body and plastic inner shell body are opened on the metal shell body
Have an antenna slot, the plastic inner shell body has outwardly protruded antenna slot strip of paper used for sealing in the antenna slot, the metal shell body and
The plastic inner shell body is integrated injection molding, the manufacturing method of metallic mobile phone rear cover are as follows: with the aluminium alloy type of one piece of cuboid
Material first passes through CNC (numerically-controlled machine tool) processing, enables aluminum alloy to profile and the metal shell body is made, be provided with day on metal shell body
Wire casing, then by NMT (Nano Molding Technology, a nanometer forming technique) injection moulding process in metal shell body
Upper injection molding forms the plastic inner shell body, removes extra material (such as skirt) finally by CNC processing method.This method is not only
It wastes a large amount of raw material of aluminum alloy, spend many numerical control processing working hours, cost is very high, while in NMT injection molding, injection pressure is easy
It is deformed the antenna slot, influences antenna performance and mobile telephone shape aesthetic feeling.
Summary of the invention
In order to overcome metallic mobile phone rear cover processing time consuming expense material in the prior art, the easily-deformable problem of the antenna slot, sheet
Inventive embodiments provide a kind of metallic mobile phone rear cover and its manufacturing method.
A kind of metallic mobile phone rear cover provided in an embodiment of the present invention, including metal shell body and plastic inner shell body, the gold
Belong to outer housing and be equipped at least one antenna slot, which is characterized in that is inlaid with antenna slot strip of paper used for sealing, the plastics in the antenna slot
Inner housing is equipped with fixing groove on the inside of the antenna slot, is accordingly equipped with and connect with the fixing groove on the inside of the antenna slot strip of paper used for sealing
Part, the antenna slot strip of paper used for sealing are fixed in antenna slot by the connector and fixing groove cooperation.
Metallic mobile phone rear cover provided in an embodiment of the present invention, including metal shell body, plastic inner shell body and antenna slot strip of paper used for sealing,
Antenna slot strip of paper used for sealing is fixed in antenna slot by the cooperation of the connector and the fixing groove, and structure is simple, easily manufactured, is kept away
The problem of antenna slot is easily deformed by injection pressure when having exempted from injection step in the prior art.
The embodiment of the invention also provides a kind of manufacturing methods of metallic mobile phone rear cover characterized by comprising
Metal sheet is stamped and formed out the metal-back idiosome, metal-back idiosome edge is used equipped with positioning easy to produce
Sapwood；
It is molded the plastic inner shell body on the inside of the metal-back idiosome, forms rear cover embryo shape；
The antenna slot and the card slot are milled out in the rear cover embryo shape；
The antenna slot strip of paper used for sealing is molded in the antenna groove location；
The sapwood of the rear cover embryo shape is removed, metal back cover finished product is formed.
The manufacturing method of metallic mobile phone rear cover provided in an embodiment of the present invention is stamped and formed out the metal-back by metal sheet
Idiosome, the processing is simple, reduces the use of metal material；It is milled on the metal-back idiosome again after forming the rear cover embryo shape
The antenna slot out, it is easy to process；When being molded the antenna slot strip of paper used for sealing, the plastic inner shell body strengthens the metal-back idiosome
Intensity, so that antenna slot is resisted injection pressure, reduce the possibility of antenna slot deformation；The time saving material-saving of entire manufacturing process, is improved
Working efficiency.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of perspective view for metallic mobile phone rear cover that the embodiment of the present invention one provides；
Fig. 2 is a kind of rearview for metallic mobile phone rear cover that the embodiment of the present invention one provides；
Fig. 3 is enlarged drawing at the A of Fig. 2；
Fig. 4 is the B-B cut-away view of Fig. 2；
Fig. 5 is the C-C cut-away view of Fig. 2；
Fig. 6 is enlarged drawing at the D of Fig. 5；
Fig. 7 is the flow diagram of the production method of metallic mobile phone rear cover provided by Embodiment 2 of the present invention；
Fig. 8 is the structural schematic diagram of metal sheet provided by Embodiment 2 of the present invention；
Fig. 9 is institute after metal sheet is stamped and formed out the metal-back idiosome by step S71 provided by Embodiment 2 of the present invention
State the structural schematic diagram of metal-back idiosome；
Figure 10 is that step S72 provided by Embodiment 2 of the present invention is molded the plastic inner shell on the inside of the metal-back idiosome
After the step of body, formation rear cover embryo shape, the structural schematic diagram of the rear cover embryo shape；
Figure 11 is the E-E cut-away view of Figure 10；
Figure 12 is that step S73 provided by Embodiment 2 of the present invention mills out the antenna slot and described in the rear cover embryo shape
After card slot, the cut-away view of the rear cover embryo shape；
Figure 13 is enlarged drawing at the F of Figure 12；
Figure 14 is step S74 provided by Embodiment 2 of the present invention in the antenna groove location injection molding antenna slot strip of paper used for sealing
Afterwards, the structural schematic diagram of the rear cover embryo shape.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to figs. 1 to Fig. 6, the present invention provides a kind of metallic mobile phone rear covers, including metal shell body 1 and plastic inner shell body
2, metal shell body 1 is equipped at least one antenna slot 11, is inlaid with antenna slot strip of paper used for sealing 3 in the antenna slot 11, in plastics
Shell 2 is equipped with fixing groove on the inside of antenna slot 11, and 3 inside of antenna slot strip of paper used for sealing is accordingly equipped with connector, antenna slot with fixing groove
Strip of paper used for sealing 3 is fixed in antenna slot 11 by connector and fixing groove cooperation.
Metallic mobile phone rear cover provided in an embodiment of the present invention, including metal shell body 1, plastic inner shell body 2 and antenna slot envelope
Item 3, antenna slot strip of paper used for sealing 3 are fixed in antenna slot 11 by the cooperation of connector and fixing groove, and structure is simple, manufacturer
Just, the problem of antenna slot 11 is easily deformed by injection pressure in the injection step of the prior art is avoided.
Plastic inner shell body 2 described above includes the side wall 26 of bottom 25 and ring portion, and the fixing groove includes plastic inner shell
Body 2 is opened in the card slot 21 on side wall 26, and the connector includes the grab 31 being located on the inside of 3 both ends of antenna slot strip of paper used for sealing, described
Grab 31 includes the linking arm 311 in the card slot 21 and the gib head 312 set on 311 free end of linking arm, and gib head 312 blocks
In the inside of plastic inner shell body 2.
Side wall 26 described above is respectively provided with a locating slot 23 in about 21 two sides of card slot, the locating slot 23 with
The card slot 21 is parallel, and the gib head 312 is C-shaped gib head, and the upper end 313 and lower end 314 of the C-shaped gib head are stuck in
In the locating slot 23.
The cooperation of the locating slot 23 and C-shaped gib head keeps the fixation of antenna slot strip of paper used for sealing more reliable.
26 inner surface of side wall described above is also protruding with block 24 in 21 periphery of card slot, and the block 24 surrounds institute
State gib head 312.
Fixing groove described above further includes several projecting apertures 22 positioned at the bottom 25, and the connector further includes being set to
Several salient points 32 of 3 inside of antenna slot strip of paper used for sealing, the salient point 32 is in the projecting apertures 22.
The cooperation of the projecting apertures 22 and salient point 32 is bonded antenna slot strip of paper used for sealing more with the antenna slot.
Metal shell body 1 described above is equipped with V-shaped groove 12, the antenna slot strip of paper used for sealing 3 in the side wall of the antenna slot 11
Two sidewalls up and down be equipped with convex block 33 in the V-shaped groove 12.
Embodiment two:
Referring to Fig. 7 to Figure 14, a kind of manufacturing method of metallic mobile phone rear cover provided in this embodiment, which is characterized in that packet
It includes:
Metal sheet 41 is stamped and formed out the metal-back idiosome 42 by step S71, and 42 edge of metal-back idiosome is equipped with
The sapwood 43 of positioning easy to produce；
Step S72 is molded the plastic inner shell body 2 on the inside of the metal-back idiosome 42, forms rear cover embryo shape 5；
Step S73 mills out the antenna slot 11 and the card slot 21 in the rear cover embryo shape 5；
Step S74 is molded the antenna slot strip of paper used for sealing 3 in 11 position of antenna slot；
Step S75 punching press removes the sapwood 43 of the rear cover embryo shape 5, forms metal back cover finished product.
The manufacturing method of metallic mobile phone rear cover provided in this embodiment, time saving material-saving improve work efficiency.
Referring to Fig. 8, metal sheet 41 is stamped and formed out the metal-back idiosome 42, the metal-back in the step S71
42 edge of idiosome is equipped in the sapwood 43 of positioning easy to produce, and metal sheet 41 is selected on raw material, forms institute using pressing
Metal-back idiosome 42 is stated, the processing is simple, reduces the use of metal material.
0, Figure 11 referring to Fig.1, step S72 described above are molded the plastic inner shell body on the inside of the metal-back idiosome 42
2, formed rear cover embryo shape 5 the step of, specifically:
Using NMT nanometers of injection molding methods, the plastic inner shell body 2 is molded on the inside of the metal-back 42, and described
The projecting apertures 22, the locating slot 23 and the block 24 are formed on plastic inner shell body 2.
At this point, be not provided with antenna slot 11 on metal-back idiosome 42, positioning is convenient when injection molding.
2, Figure 13 referring to Fig.1, step S74 described above are molded the antenna slot strip of paper used for sealing 3 in 11 position of antenna slot
Step, specifically:
With common injection moulding, injection molding forms the antenna slot strip of paper used for sealing 3, the antenna slot strip of paper used for sealing 3 in the antenna slot 11
The salient point 32 and grab 31 of inside are stuck in the projecting apertures 22 and the card slot 21.
Described above with common injection moulding, the antenna slot strip of paper used for sealing 3, the antenna slot are molded in the antenna slot 11
The salient point 32 and grab 31 of the inside of strip of paper used for sealing 3 are stuck in the step in the projecting apertures 22 and the card slot 21, and the plastic is from described
Projecting apertures 22 enters in the antenna slot 11.
In this step, the plastic inner shell body 2 strengthens the intensity of the metal-back idiosome 42, and antenna slot 11 is enable to resist
Injection pressure reduces the possibility of the deformation of antenna slot 11.
Referring to Fig.1 4, step S75 described above remove the sapwood of the rear cover embryo shape, form metal back cover finished product
In step, specifically:
The sapwood 43 that the rear cover embryo shape 5 is removed with pressing forms the metal back cover finished product, the sapwood 43
Including skirt.
The manufacturing method of metallic mobile phone rear cover provided in an embodiment of the present invention is stamped and formed out the metal-back by metal sheet
Idiosome, the processing is simple, reduces the use of metal material；It is milled on the metal-back idiosome again after forming the rear cover embryo shape
The antenna slot out, it is easy to process；When being molded the antenna slot strip of paper used for sealing, the plastic inner shell body strengthens the metal-back idiosome
Intensity, so that antenna slot is resisted injection pressure, reduce the possibility of antenna slot deformation；The time saving material-saving of entire manufacturing process, is improved
Working efficiency.
It is apparent to those skilled in the art that for convenience and simplicity of description, only with above-mentioned each function
The division progress of module can according to need and for example, in practical application by above-mentioned function distribution by different function moulds
Block is completed, i.e., the internal structure of device is divided into different functional modules, to complete all or part of function described above
Energy.The specific work process of the system, apparatus, and unit of foregoing description, can be with reference to corresponding in preceding method embodiment
Journey, details are not described herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (11)
1. a kind of metallic mobile phone rear cover, including metal shell body and plastic inner shell body, the metal shell body is equipped at least one
Strip antenna slot, which is characterized in that antenna slot strip of paper used for sealing is inlaid in the antenna slot, the plastic inner shell body is in the antenna slot
Side is equipped with fixing groove, and the antenna slot strip of paper used for sealing inside is accordingly equipped with connector with the fixing groove, and the antenna slot strip of paper used for sealing is logical
It crosses the connector and fixing groove cooperation is fixed in antenna slot；
Wherein, the method for preparing the metallic mobile phone rear cover includes:
Metal sheet is stamped and formed out the metal-back idiosome, metal-back idiosome edge is equipped with the side of positioning easy to produce
Material；
It is molded the plastic inner shell body on the inside of the metal-back idiosome, forms rear cover embryo shape；
The antenna slot and card slot are milled out in the rear cover embryo shape；
The antenna slot strip of paper used for sealing is molded in the antenna groove location；
The sapwood for removing the rear cover embryo shape forms the metallic mobile phone rear cover.
2. cell phone rear cover according to claim 1, which is characterized in that the plastic inner shell body includes the side of bottom and ring portion
Wall, the fixing groove include the card slot that the plastic inner shell body is opened on side wall, and the connector includes being located at antenna slot envelope
Grab on the inside of both ends, the grab include the linking arm in the card slot and the hook set on the linking arm free end
Head, the gib head are stuck in the inside of the plastic inner shell body.
3. cell phone rear cover according to claim 2, which is characterized in that the side wall is respectively provided with two sides above and below the card slot
One locating slot, the locating slot is parallel with the card slot, and the gib head is C-shaped gib head, and the upper end of the C-shaped gib head is under
End is stuck in the locating slot.
4. cell phone rear cover according to claim 3, which is characterized in that the side wall inner surfaces are also convex in the card slot periphery
There is block out, the block surrounds the gib head.
5. cell phone rear cover according to claim 2, which is characterized in that if the fixing groove further includes being located at the bottom
Dry projecting apertures, the connector further include several salient points on the inside of the antenna slot strip of paper used for sealing, and the salient point is embedded in the projecting apertures
It is interior.
6. cell phone rear cover as claimed in any of claims 1 to 5, which is characterized in that the metal shell body is in institute
The side wall for stating antenna slot is equipped with V-shaped groove, and the two sidewalls up and down of the antenna slot strip of paper used for sealing are equipped with convex block and are embedded in the V-shaped groove
It is interior.
7. a kind of manufacturing method of metallic mobile phone rear cover characterized by comprising
Metal sheet is stamped and formed out the metal-back idiosome, metal-back idiosome edge is equipped with the side of positioning easy to produce
Material；
The injection-moulded plastic inner housing on the inside of the metal-back idiosome forms rear cover embryo shape；
Antenna slot and card slot are milled out in the rear cover embryo shape；
Antenna slot strip of paper used for sealing is molded in the antenna groove location；
The sapwood for removing the rear cover embryo shape forms the metallic mobile phone rear cover.
8. the method according to the description of claim 7 is characterized in that described be molded the plastics on the inside of the metal-back idiosome
The step of inner housing, formation rear cover embryo shape, specifically:
Using NMT nanometers of injection molding methods, the plastic inner shell body is molded on the inside of the metal-back idiosome, and in the plastics
Projecting apertures, locating slot and block are formed on inner housing.
9. according to the method described in claim 8, it is characterized in that, described be molded the antenna slot envelope in the antenna groove location
The step of, specifically:
With common injection moulding, injection molding forms the antenna slot strip of paper used for sealing in the antenna slot, convex on the inside of the antenna slot strip of paper used for sealing
Point and grab are stuck in the projecting apertures and the card slot.
10. according to the method described in claim 9, it is characterized in that, being infused in the antenna slot described with common injection moulding
The antenna slot strip of paper used for sealing is moulded, the salient point and grab on the inside of the antenna slot strip of paper used for sealing are stuck in the step in the projecting apertures and the card slot
In, plastic enters in the antenna slot from the projecting apertures.
11. the method according to the description of claim 7 is characterized in that the sapwood of the removal rear cover embryo shape, forms
In the metallic mobile phone rear cover step, specifically:
The sapwood that the rear cover embryo shape is removed with pressing, forms the metallic mobile phone rear cover, and the sapwood includes skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118483.9A CN106657483B (en) | 2017-03-01 | 2017-03-01 | A kind of metallic mobile phone rear cover and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710118483.9A CN106657483B (en) | 2017-03-01 | 2017-03-01 | A kind of metallic mobile phone rear cover and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
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| CN106657483A CN106657483A (en) | 2017-05-10 |
| CN106657483B true CN106657483B (en) | 2019-11-15 |
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| CN201710118483.9A Active CN106657483B (en) | 2017-03-01 | 2017-03-01 | A kind of metallic mobile phone rear cover and its manufacturing method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009575A (en) * | 2017-06-02 | 2017-08-04 | 深圳天珑无线科技有限公司 | Housing and preparation method thereof, electronic installation |
| CN107626867B (en) * | 2017-09-30 | 2020-11-17 | Oppo广东移动通信有限公司 | Shell manufacturing method |
| CN107738073B (en) * | 2017-09-30 | 2019-07-19 | Oppo广东移动通信有限公司 | Processing method of casing, shell and terminal |
| CN107592387B (en) * | 2017-10-31 | 2021-01-22 | Oppo广东移动通信有限公司 | Shell manufacturing method, shell and mobile terminal |
| CN108044296B (en) * | 2017-11-03 | 2019-09-06 | 广东长盈精密技术有限公司 | Mobile phone battery cover steel disc spot welding repair method |
| CN107971833A (en) * | 2017-11-17 | 2018-05-01 | 珠海市魅族科技有限公司 | Bottom cover and preparation method thereof and mobile phone |
| CN110815709B (en) * | 2019-11-20 | 2022-01-18 | Oppo广东移动通信有限公司 | Machining method of shell assembly, shell assembly and electronic equipment thereof |
| US11115508B1 (en) * | 2020-06-10 | 2021-09-07 | Htc Corporation | Wireless communication device and case assembly |
| CN114211683B (en) * | 2021-10-28 | 2022-10-14 | 荣耀终端有限公司 | Display device, mold, injection molding system and method for manufacturing battery cover of injection molding system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8760351B2 (en) * | 2008-12-11 | 2014-06-24 | Sang-Yong Ma | Insert type antenna module for portable terminal and method for manufacturing the same |
| KR101218990B1 (en) * | 2011-05-11 | 2013-01-21 | 삼성전기주식회사 | Terminal for communication, method and mould for manufacturing therefor |
| CN108055376B (en) * | 2014-12-30 | 2020-04-03 | Oppo广东移动通信有限公司 | Processing method of metal bottom shell of mobile phone and related product |
| CN106413321B (en) * | 2015-07-27 | 2019-07-26 | 比亚迪股份有限公司 | A kind of communication apparatus metal shell and preparation method thereof |
| CN108419400B (en) * | 2016-03-18 | 2020-11-24 | Oppo广东移动通信有限公司 | Machining method of clearance area of shell, shell and mobile terminal |
| CN105847495B (en) * | 2016-06-07 | 2019-03-05 | 维沃移动通信有限公司 | A kind of rear shell of mobile terminal and preparation method thereof |
| CN106210200B (en) * | 2016-08-25 | 2019-05-10 | Oppo广东移动通信有限公司 | Mobile terminal, housing unit and its manufacturing method |
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2017
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