CN2891595Y - Improved anti-magnetic metal cover structure - Google Patents
Improved anti-magnetic metal cover structure Download PDFInfo
- Publication number
- CN2891595Y CN2891595Y CN 200620050557 CN200620050557U CN2891595Y CN 2891595 Y CN2891595 Y CN 2891595Y CN 200620050557 CN200620050557 CN 200620050557 CN 200620050557 U CN200620050557 U CN 200620050557U CN 2891595 Y CN2891595 Y CN 2891595Y
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- loam cake
- frame portion
- mask frame
- utility
- model
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Abstract
The utility model discloses an improved structure of a metallic antimagnetic cover comprising at least one screening frame part and an upper cover. The vertically bended edge-fold is arranged at the rim of the screening frame part, and the screening frame part is connected to the default place of a circuit board by the edge-fold. The upper cover is pressed, formed and heaved at the center top of the screening frame part, and a pressing fold line is provided at the joint of the rim of the upper cover and the screening frame part. The pressing fold line comprises the mutually pluralized spacing fracturing portion and the thin joining portion. The utility model has the advantages of that the utility model can ensure a steady combination of the upper cover and the screening body, and is easy to disassemble and separate, which can effectively increase working efficiency and improve the quality.
Description
Technical field:
The utility model relates to the antimagnetic lid structure-improved of a kind of metal, be meant especially a kind of have be easy to peel off the antimagnetic lid structure-improved of the metal of pulling out the loam cake position.
Background technology:
Along with various electronics and communication product now for light, thin, short, the little day by day requirement of volume, cooperate the improvement of its outer cover metal alloy material, the antimagnetic lid structure of metal that is applied to isolated external electromagnetic wave interference at present mostly is its top side face hollow out, make its upper surface be close to metal shell inboard (directly utilizing this metal shell), and the framework of only establishing with a ring is arranged at the isolation of formation on every side of this default significant components as antimagnetic a part of structure; But for cooperating the demand of automated production, generally mostly the assembling for micro parts is to draw part and position assembling with vacuum cup, and for ease of the absorption of this vacuum cup, the antimagnetic lid of this metal must provide the burnishing surface of a proper area.
A more traditional structure is in conjunction with a dismountable loam cake with the metal framework, during assembling, combine with the metal framework with this loam cake earlier, be beneficial to the absorption of vacuum cup, after treating that this metal framework is incorporated into location around the significant components on the circuit board, again this loam cake is removed, this kind structure must be used two molds in exploitation and production process, and, loam cake must do extra processing (chimeric shell fragment and location hole being set) to loam cake and metal framework in the side periphery for being combined with the metal framework also, both lost time and also increased manufacturing cost, value-for-money not, simultaneously, the structure of offering location hole in metal framework avris also can influence to some extent for electromagnetic isolated effect.
Other has Chinese patent to announce " the antimagnetic lid plucking device of metal " novel patent structure that case discloses CN2560100 number, it is to make the antimagnetic lid of metal central authorities cause the dislocation state with impact style, and then form a loam cake and a screen hides body, wherein this loam cake and screen hide between the body and have plural bridge part connection in punching press separation place, so that the two is not easily separated, when utilizing hand tool to force in loam cake, bridge part is ruptured and cause loam cake and shield to hide the body separation; Yet, above-mentioned this kind structure is because the intensity of the antimagnetic lid of this metal own is not good, and the loam cake of this separation and screen hide body and only rely on partly extremely short bridge part to be connected, therefore, if the improper or lazy weight of Position Design of this bridge part then very easily makes this loam cake produce distortion, bending, influence automation assembling operation and precision thereof, and if the quantity of this bridge part is too much, then can influence this loam cake to hide the operation of dismantling on the body by screen, form the disappearance on using.
Because the antimagnetic lid structure of metal of having seen has above-mentioned shortcoming, the creator is the road at those shortcoming research improvement, has the utility model to produce finally.
The utility model content:
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, provides a kind of and can make loam cake and screen hide body combine stablely, and be easy to the dismounting separation again, can effectively promote the antimagnetic lid structure-improved of metal of working (machining) efficiency and quality.
In order to solve the problems of the technologies described above, technical solution adopted in the utility model is: the antimagnetic lid structure-improved of a kind of metal, it comprises a mask frame portion and a loam cake at least.This mask frame portion periphery is provided with the flanging of vertical bending, and this mask frame portion is incorporated into predeterminated position on the circuit board with this flanging; This loam cake is raised in this mask frame portion top side central part through punching press, is provided with a punching press broken line in this loam cake periphery and mask frame portion junction, and this punching press broken line is combined by the fracture portion of plural space and thin thin convergence part.
Compared with prior art, the utility model has the advantages that: when the utility model machines, can keep stable and on-deformable even bonding state between this loam cake and the mask frame portion; And when this plug hole was subjected to instrument to insert also application of force perk, thin thin convergence part can be easy to fracture thereupon on this punching press broken line, but made this loam cake and this mask frame portion delamination, and it has the advantages that to be easy to process and effectively to promote efficiency of assembling.
As for detailed construction of the present utility model, application principle, effect and effect, then the explanation of doing with reference to following adjoint can be understood completely:
Description of drawings:
Fig. 1 is a unitary construction schematic diagram of the present utility model.
Fig. 2 is the fracture portion profile of the utility model punching press broken line.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the convergence part profile of the utility model punching press broken line.
Fig. 5 is the partial enlarged drawing of Fig. 4.
Label declaration:
1..... the 11.... of mask frame portion flanging
2..... loam cake 21.... burnishing surface
22.... plug hole 23.... hollow-out parts
3..... punching press broken line 31.... fracture portion
32.... the antimagnetic lid of convergence part A..... metal
Embodiment:
Please join each figure, can clearly find out, the utility model mainly comprises: mask frame portion 1, two parts such as loam cake 2 grades, wherein this mask frame portion 1 periphery is provided with the flanging 11 of vertical bending, can be for being incorporated into predeterminated position on the circuit board, and this loam cake 2 is raised in this mask frame portion 1 top side central part is provided with a proper area in these loam cake 2 central authorities burnishing surface 21 through punching press, can be drawn for the vacuum cup of an outside automated job, and being provided with plural number in these burnishing surface 21 peripheries can be for the plug hole 22 (and hollow-out parts 23) of instrument insertion, and these loam cake 2 peripheries and mask frame portion 1 junction are provided with a punching press broken line 3, and this punching press broken line 3 cooperates the corresponding counterdie (or patrix) of a flattened edge to be stamped to form with the punching press patrix (or counterdie) of the square toothed edge of tool; During its punching press, the fracture portion 31 that this upper and lower intermode can make 1 formation of this loam cake 2 and mask frame portion separate than driving fit (gap is less) position, this upper and lower intermode is dredged (gap is bigger) position and then can be made 1 stretching of this loam cake 2 and mask frame portion and form thin thin convergence part 32.
The utility model said structure is because this mould development processing procedure and punching press processing procedure are all identical with general stamping press, therefore do not have the situation that exploitation and producing cost roll up, when it machines in the antimagnetic lid of this metal, can keep stable and on-deformable even bonding state between this loam cake 2 and the mask frame portion 1; And when this plug hole 22 was subjected to instrument to insert also application of force perk, thin thin convergence part 32 can be easy to fracture thereupon on this punching press broken line 3, but made this loam cake 2 and mask frame portion 1 delamination, and it has the advantages that to be easy to process and effectively to promote efficiency of assembling.
From the above mentioned as can be known, but the antimagnetic lid structure-improved of the utility model metal has the effect of simple structure and delamination loam cake really, has really met novelty of patent and progressive important document.
Only the above only is a preferred embodiment of the present utility model, is not to be used for limiting practical range of the present utility model.Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.
Claims (2)
1. antimagnetic lid structure-improved of metal, it comprises a mask frame portion and a loam cake at least, it is characterized in that: this mask frame portion periphery is provided with the flanging of vertical bending, and this mask frame portion is incorporated into predeterminated position on the circuit board with this flanging; This loam cake is raised in this mask frame portion top side central part through punching press, is provided with a punching press broken line in this loam cake periphery and mask frame portion junction, and this punching press broken line is combined by the fracture portion of plural space and thin thin convergence part.
2. the antimagnetic lid structure-improved of metal as claimed in claim 1 is characterized in that: this loam cake is provided with a burnishing surface to being less than central authorities, and is provided with at least one plug hole in this burnishing surface periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050557 CN2891595Y (en) | 2006-04-07 | 2006-04-07 | Improved anti-magnetic metal cover structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620050557 CN2891595Y (en) | 2006-04-07 | 2006-04-07 | Improved anti-magnetic metal cover structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2891595Y true CN2891595Y (en) | 2007-04-18 |
Family
ID=38022253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620050557 Expired - Fee Related CN2891595Y (en) | 2006-04-07 | 2006-04-07 | Improved anti-magnetic metal cover structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2891595Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102238859A (en) * | 2010-04-29 | 2011-11-09 | 深圳富泰宏精密工业有限公司 | Electromagnetic shielding cover |
| US8139346B2 (en) | 2008-11-13 | 2012-03-20 | Asustek Computer Inc. | Electronic apparatus and input device thereof |
| CN105611815A (en) * | 2014-11-17 | 2016-05-25 | 南京酷派软件技术有限公司 | Motherboard shielding frame |
| CN105636419A (en) * | 2015-08-26 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Single shielding cover |
| CN106102431A (en) * | 2016-07-25 | 2016-11-09 | 深圳天珑无线科技有限公司 | Radome for circuit board |
| CN109152321A (en) * | 2018-10-19 | 2019-01-04 | 扬州市美华电气有限公司 | A kind of combined shielding cover and its assemble method |
-
2006
- 2006-04-07 CN CN 200620050557 patent/CN2891595Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8139346B2 (en) | 2008-11-13 | 2012-03-20 | Asustek Computer Inc. | Electronic apparatus and input device thereof |
| CN102238859A (en) * | 2010-04-29 | 2011-11-09 | 深圳富泰宏精密工业有限公司 | Electromagnetic shielding cover |
| CN105611815A (en) * | 2014-11-17 | 2016-05-25 | 南京酷派软件技术有限公司 | Motherboard shielding frame |
| CN105636419A (en) * | 2015-08-26 | 2016-06-01 | 宇龙计算机通信科技(深圳)有限公司 | Single shielding cover |
| CN106102431A (en) * | 2016-07-25 | 2016-11-09 | 深圳天珑无线科技有限公司 | Radome for circuit board |
| CN109152321A (en) * | 2018-10-19 | 2019-01-04 | 扬州市美华电气有限公司 | A kind of combined shielding cover and its assemble method |
| CN109152321B (en) * | 2018-10-19 | 2019-12-10 | 扬州市美华电气有限公司 | Combined shielding cover and assembling method thereof |
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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: 20070418 Termination date: 20100407 |