CN201708830U - Grounding device of mobile terminal shielding part - Google Patents
Grounding device of mobile terminal shielding part Download PDFInfo
- Publication number
- CN201708830U CN201708830U CN2009202257293U CN200920225729U CN201708830U CN 201708830 U CN201708830 U CN 201708830U CN 2009202257293 U CN2009202257293 U CN 2009202257293U CN 200920225729 U CN200920225729 U CN 200920225729U CN 201708830 U CN201708830 U CN 201708830U
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- CN
- China
- Prior art keywords
- shield bracket
- earthing device
- pcb board
- salient point
- outer cover
- 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.)
- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a grounding device of a mobile terminal shielding part, which comprises a PCB board and a shielding support which is fixedly connected on the PCB board and is sprayed with conductive paint, wherein one surface of the shielding support, which contacts with the PCB board is uniformly distributed with salient points. The grounding device of the mobile terminal shielding part can effectively and reliably increase contact reliability, simultaneously, guarantees a portable mobile terminal to have excellent receive and emission performance.
Description
Technical field
The utility model relates to a kind of earthing device, especially a kind of earthing device of mobile terminal shielding parts.
Background technology
Along with the fast development of communication science and technology, the prosperity and development that a hundred flowers blossom have appearred in portable terminals such as mobile phone.But in order to avoid between each parts or the electromagnetic interference between internal part and the external environment condition, portable type electronic products such as mobile phone generally all need to shield some parts.
In the prior art, the outer cover of shield member adopts the better conductivity metal material more, want high but the machining accuracy of metal material is all relative with difficulty of processing, and quality is heavier.Along with portable terminals such as mobile phone are more and more frivolous, more and more integrated, the more and more development of incompatibility new technology of the shielding outer cover of metal material.
Along with new technology that occurs recently and complicated design, support and outer cover that the shield member of plastic cement injection mo(u)lding occurred, on outer cover surface and support, spray conductive paint then, the support of spray conductive paint forms shielding space with regional contact of the dew copper on the pcb board, to realize the function of shielding identical with the metal material outer cover.
But in actual the use, it is unsatisfactory that the support of plastic cement material and dew copper zone on the pcb board contact effect, and the contact effect between outer cover surface and the support is also not ideal enough.
Therefore, need the problem of a kind of earthing device of novel mobile terminal shielding parts with the support and the outer cover contact weak effect of better solution plastic cement shield member.
Summary of the invention
In view of this, the utility model is devoted to better to solve the support of plastic cement shield member and the problem that outer cover contacts weak effect, has proposed a kind of earthing device of mobile terminal shielding support.
The utility model solves this technical problem the technical scheme that is adopted:
A kind of earthing device of mobile terminal shielding parts comprises pcb board and is fastened on the pcb board and sprays the shield bracket of conductive paint, wherein, and the one side of the described shield bracket contact pcb board salient point of evenly arranging.
Above-mentioned earthing device also comprises the shielding outer cover that is fixedly connected on the shield bracket and sprays conductive paint.
Above-mentioned shield bracket and shielding outer cover are integral structure, by the plastic cement single injection-molded.
The one side of the above-mentioned shield bracket contact shielding outer cover salient point of also evenly arranging.
Salient point on the above-mentioned shield bracket is shaped as circle.
Above-mentioned shield bracket and/or shielding outer cover are connected with pcb board by miniature bolt and are fixing.
Above-mentioned shield bracket adopts ABS plastic or contains the alloy plastic of ABS.
The beneficial effects of the utility model are:
The utility model adopts a kind of brand new, just changes the fine structure of shield bracket basal plane, makes the better effects if that contacts of the dew copper zone of shield bracket and pcb board and/or shielding outer cover; Simultaneously, because the existence of salient point, making has uniform slit between the device feature, can improve the radiating effect of conductively-closed parts.
Description of drawings
Below with reference to accompanying drawings specific embodiments of the present utility model is described in detail, wherein:
Fig. 1 is a shield bracket structure chart of the present utility model; And
Fig. 2 is a structure drawing of device of the present utility model;
Wherein, the 1-PCB plate, the 2-shield bracket, the 3-salient point, the 4-fixed via, the 5-salient point, 6-shields outer cover.
Embodiment
For the problem of the support that solves the plastic cement shield member and outer cover contact weak effect, the utility model provides a kind of earthing device of mobile terminal shielding parts.Next specify this earthing device.
Fig. 1 illustrates shield bracket structure chart of the present utility model, shown in Fig. 1 a and Fig. 1 b, and the salient point of at least simultaneously evenly arranging of this shield bracket 2, and be coated with conductive paint on the shield bracket 2, make it the conductor that outer surface forms a perforation.
Wherein, among Fig. 1 a, this shield bracket 2 is parts independently, two basal plane salient point of evenly arranging; Among Fig. 1 b, this shield bracket 2 and shielding outer cover 6 are integral structure, by the plastic material single injection-molded, have only the basal plane that contacts with pcb board 1 salient point of evenly arranging.
Fig. 2 illustrates structure drawing of device of the present utility model, and shown in Fig. 2 a, this device comprises pcb board 1 and be fastened on the pcb board and spray the shield bracket 2 of conductive paint, the one side of described shield bracket 2 contact pcb boards 1 salient point of evenly arranging.
The one side of above-mentioned shield bracket 2 contact shielding outer covers 6 salient point of also evenly arranging.
Shown in Fig. 2 b, above-mentioned earthing device also comprises the shielding outer cover 6 that is fixedly connected on the shield bracket and sprays conductive paint.
Above-mentioned shield bracket 2 and shielding outer cover 6 are integral structure, by the plastic cement single injection-molded.
Aforementioned dual mode, salient point is evenly arranged, and shield bracket 2 is contacted better with the some face of miscellaneous part, so shield effectiveness is better; Simultaneously,, make the conductively-closed parts have thermal diffusivity preferably, prolong the useful life of conductively-closed parts because the existence of salient point makes and leaves certain clearance between the parts.
No matter be above-mentioned Fig. 2 a mode or Fig. 2 b mode, following situation all arranged:
Above-mentioned shield bracket 2 is connected with pcb board by miniature bolt and is fixing.
Above-mentioned shield bracket 2 and/or shielding outer cover 6 are connected with pcb board by miniature bolt and are fixing.Its shield bracket and/or shielding outer cover all are provided with a plurality of fixed vias 4 in the relevant position, be connected and fixed by miniature bolt then.
Above-mentioned shield bracket adopts ABS plastic or contains the alloy plastic of ABS.ABS plastic or the alloy plastic that contains ABS have good injection molding and constancy, simultaneously, can have surface of good in the spraying conductive paint and connect attribute.
The utility model can improve contact reliability effectively reliably, simultaneously, guarantees that portable mobile termianl has good reception and emitting performance.
More than specific descriptions of the present utility model are intended to illustrate the implementation of specific embodiments can not be interpreted as it is to restriction of the present utility model.Those of ordinary skills can make various variants on the basis of the embodiment that describes in detail under instruction of the present utility model, these variants all should be included within the design of the present utility model.The utility model scope required for protection is only limited by described claims.
Claims (10)
1. the earthing device of mobile terminal shielding parts comprises pcb board and is fastened on the pcb board and sprays the shield bracket of conductive paint, it is characterized in that:
The one side of the described shield bracket contact pcb board salient point of evenly arranging.
2. earthing device as claimed in claim 1 is characterized in that:
Also comprise the shielding outer cover that is fixedly connected on the shield bracket and sprays conductive paint.
3. earthing device as claimed in claim 2 is characterized in that:
Described shield bracket and shielding outer cover are integral structure, by the plastic cement single injection-molded.
4. earthing device as claimed in claim 2 is characterized in that:
The one side of the described shield bracket contact shielding outer cover salient point of also evenly arranging.
5. as claim 1 or 2 or 3 or 4 described earthing device, it is characterized in that:
Salient point on the described shield bracket is shaped as circle.
6. earthing device as claimed in claim 5 is characterized in that:
Circular salient point diameter on the described shield bracket is 0.3-0.8mm.
7. as claim 1 or 2 or 3 or 4 or 6 described earthing device, it is characterized in that:
Salient point on the described shield bracket exceeds support basal plane 0.02-0.1mm.
8. as claim 1 or 4 described earthing device, it is characterized in that:
Described shield bracket is connected with pcb board by miniature bolt and is fixing.
9. as claim 2 or 3 described earthing device, it is characterized in that:
Described shield bracket and/or shielding outer cover are connected with pcb board by miniature bolt and are fixing.
10. as claim 1 or 2 or 3 or 4 or 6 described earthing device, it is characterized in that:
Described shield bracket adopts ABS plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257293U CN201708830U (en) | 2009-09-04 | 2009-09-04 | Grounding device of mobile terminal shielding part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202257293U CN201708830U (en) | 2009-09-04 | 2009-09-04 | Grounding device of mobile terminal shielding part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708830U true CN201708830U (en) | 2011-01-12 |
Family
ID=43445980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202257293U Expired - Fee Related CN201708830U (en) | 2009-09-04 | 2009-09-04 | Grounding device of mobile terminal shielding part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708830U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333137A (en) * | 2011-07-11 | 2012-01-25 | 昆山鑫泰利精密模具有限公司 | Phone support |
| CN107949264A (en) * | 2017-12-20 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of reinforcement PCB and the system and method for plastic spraying structure overlap joint electric conductivity |
-
2009
- 2009-09-04 CN CN2009202257293U patent/CN201708830U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102333137A (en) * | 2011-07-11 | 2012-01-25 | 昆山鑫泰利精密模具有限公司 | Phone support |
| CN107949264A (en) * | 2017-12-20 | 2018-04-20 | 郑州云海信息技术有限公司 | A kind of reinforcement PCB and the system and method for plastic spraying structure overlap joint electric conductivity |
| CN107949264B (en) * | 2017-12-20 | 2020-03-06 | 郑州云海信息技术有限公司 | System and method for enhancing lap joint conductivity of PCB and plastic spraying structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130904 |