CN101742895A - Shielding structure of electronic device - Google Patents
Shielding structure of electronic device Download PDFInfo
- Publication number
- CN101742895A CN101742895A CN200810305702A CN200810305702A CN101742895A CN 101742895 A CN101742895 A CN 101742895A CN 200810305702 A CN200810305702 A CN 200810305702A CN 200810305702 A CN200810305702 A CN 200810305702A CN 101742895 A CN101742895 A CN 101742895A
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- frame
- shielding structure
- electronic installation
- circuit board
- face
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Abstract
The invention discloses a shielding structure of an electronic device and the shielding structure is used to be arranged on a circuit board to shield the electronic devices arranged on the circuit board. The shielding structure comprises a protective top surface and a fixing side frame, wherein the fixing side frame is provided with a side frame which is separated from the assembled circuit board, the side edge of the side frame extends to form a side wall and shield the space between the side frame and the circuit board, wherein the side frame is provided with a positioning plate to form an inserting space in which the protective top surface is inserted from the first edge of the fixing side frame along a direction parallel to the circuit board; and the protective top surface is inserted in the inserting space.
Description
[technical field]
The present invention relates to a kind of shielding structure of electronic installation, relate in particular to a kind of shielding structure of detachable electronic installation.
[background technology]
Electromagnetic interference is one of common problem of electronic communication equipment, common galvanic circle and signal path are having electric current through out-of-date, the capital gives off the electromagnetic wave of certain frequency, if these electromagnetic frequencies are close or identical with the operating frequency of other electron component, then can have influence on the signal transmission and the service behaviour of these electronic components, some need come in the communication equipment of transmission signals by electromagnetic wave if this electromagnetic wave is created in mobile phone etc., then can cause bigger influence to speech quality.
In order to reduce or to eliminate this bad electromagnetic interference; usually can around the associated electronic components of electronic communication equipment, cover a shielding structure by the made electronic installation of metallic conduction material; the electromagnetic wave that the setting of shielding structure can effectively absorb electronic component and produced, and can electrostatic charge unnecessary on it be discharged by static release device.Shielding structure has solved the problem of electromagnetic interference on the one hand, also can play the effect of protection electronic component on the other hand.But because its cover is overlying on the electronic component, and unusual condition appears in electronic component sometimes, in order to keep in repair or replace unusual electronic component more easily, usually this shielding structure is designed to two-piece type, relevant patent can be consulted Chinese patent CN2514579Y number of on October 2nd, 2002 bulletin.The shielding structure of the electronic installation that this patent discloses comprises a underframe and a loam cake, this underframe is arranged on the electronic component that will shield with the frame residence on the circuit board, this underframe comprises some sidewalls, and on sidewall, be provided with some through holes, this loam cake comprises that top board reaches from the vertically disposed lappet of top board week side, wherein this lappet is provided with several projectioies, when this loam cake group was located on the underframe, the projection of correspondence position engaged mutually and loam cake is retained on the lower frame body on the through hole of underframe and the loam cake lappet.
Aforesaid loam cake and underframe interfere the mode of fixing in the industry cycle to use the long period, good practical function is arranged, but also exist the unfavorable factor that influences its stability in use and accuracy.Because the restriction of manufacturing process; at the very little retaining sheet of surface area with the interference convex closure that fixedly institute's punching press forms on the side frame and interfere the hole usually can be because the positional precision of punching press is not enough; or size accuracy is not enough; it is inaccurate to cause both interference to hold the location; the power that holds is not enough; thereby make whole loam cake fixing unstable, shorten the useful life of shielding structure greatly, and the ability of its shielding electromagnetic wave also can be affected accordingly.And under the trend of hand-held device miniaturization now, the mode of this dependence through hole and protruding fixing mutually because the product height is subjected to the restriction of through hole and projection, has hindered the application of two-piece type shielding structure in small handheld devices.
Therefore, be necessary the shielding structure of existing electronic installation is improved to overcome described defective of the prior art.
[summary of the invention]
Technical problem of the present invention is to provide a kind of and can guarantees to prevent under the electromagnetic interference prerequisite, the protection end face and fixedly side frame can stablize fixing, and can effectively reduce the shielding structure of the electronic installation of product height.
Realize above-mentioned technical problem, the present invention adopts following technical scheme: a kind of shielding structure of electronic installation, be installed in electronic installation on the circuit board in order to be assembled on the circuit board with shielding, comprise fixedly side frame of protection end face and, fixedly side frame be provided with one with the circuit board frame of installing separately, the frame side is extended with space between sidewall-masked frame and the circuit board to circuit board, wherein frame is provided with spacer, can protect end face and be plugged in this insertion space for the protection end face from the insertion space that the fixing side frame first edge parallel circuit boards direction is inserted to form one.
Compared to prior art, the shielding structure of electronic installation of the present invention has following beneficial effect: the protection end face is a tabular, goes into fixedly side frame by the side group, and the shielding structure that can effectively reduce electronic installation is height, complies with hand-held device miniaturization development.And in process of production, the protection end face does not carry out the side bending, has saved the raw material that cut because carrying out the side bending, saves cost, has improved production efficiency.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the shielding structure of electronic installation of the present invention.
Fig. 2 is the three-dimensional exploded view of the shielding structure of electronic installation shown in Figure 1.
Fig. 3 is the three-dimensional exploded view of another angle of shielding structure of electronic installation shown in Figure 1.
[embodiment]
See also Fig. 1, Fig. 2 and shown in Figure 3, the shielding structure 1 of electronic installation mainly comprises protection end face 10 and fixing side frame 20.
Fixedly side frame 20 is a rectangular metal framework, and it mainly comprises a frame 201, and the side of described frame 201 to lateral buckling and extension, forms sidewall 202 perpendicular to frame 201.The part that frame 201 length direction both sides and Width one side match with the protuberance 104 of protection end face 10, protrude out and be parallel to frame 201 bendings and be extended with spacer 203, the frame 10 of the other side of Width is provided with a support slot 208 that is slightly larger than the holding section 106 of protection end face 10, of particular note, spacer 203 and frame 201 have formed an insertion space (sign) that can make that protection end face 10 is inserted by fixing side frame 20 side levels jointly, when protection end face 10 and fixing side frame are located at a time-out for 20 groups, holding section 106 parts are contained in this support slot 208, and the side of the fixedly side frame 20 at support slot place is called first limit (not indicating).The length direction both sides of frame 201 are connected by a connecting portion 204, one side and the sidewall 202 of described connecting portion 204 are bent with separating part 205 in the same way, this separating part 205 and frame 201, sidewall 202 and connecting portion 204 cooperate fixedly that side frame 20 has been separated into one first receiving space 206 and one second receiving space 207 jointly, and described first receiving space 206 and second receiving space 207 all are used to accommodate electronic component.
Assembling protection end face 10 and fixedly during side frame 20, fixing 20 groups of peripheries that are located at the electronic component that needs shielding electromagnetic wave on the circuit board of side frame earlier, and be connected with earthing device on the circuit board, to protect end face 10 is then gone into by the fixing side group of side frame 20, when group is gone into, protection end face 10 with hold shell fragment 105 opposed side edges earlier by the side at support slot 208 places on the fixing side frame 20, be parallel to fixedly that side frame 20 moves and until last protection end face 10 and fixedly side frame 20 combine closely.At this moment, the protuberance 104 equal correspondences of protection end face 10 sides are held in the spacer 203 times of fixing top side frame 20, and the power of holding of generation is enough to guarantee to protect the stable of end face 10 and holds.Holding section 106 parts of protection end face 10 are contained in the support slot 208 of fixing side frame 20.
This fit, fixedly the height of side frame 20 can not restricted, as long as after assembling, can be higher than the electronic component that it covers with circuit board, when electronic component breaks down the needs replacing, still protection end face 10 can be taken off from fixing side frame 20 according to the anti-path in assembling time, can use repeatedly, loss is less.And, saved manufacturing cost because this protection end face 10 does not need to carry out the bending of sidepiece in manufacture process, thereby has improved raw-material utilance greatly.
Above-mentioned execution mode only is preferred implementation of the present invention, in the application of reality, the for example shape and the number of spacer 203, protuberance 104, and other correlated characteristic all can change to some extent along with the difference of application approach, therefore, any improvement of conceiving under the prerequisite to be made based on the present invention is hold in range of the present invention.
Claims (9)
1. the shielding structure of an electronic installation, be installed in electronic installation on the circuit board in order to be assembled on the circuit board with shielding, comprise fixedly side frame of protection end face and, fixedly side frame be provided with one with the circuit board frame of installing separately, the frame side is extended with space between sidewall-masked frame and the circuit board to circuit board, it is characterized in that: frame is provided with spacer, can protect end face and be plugged in this insertion space for the protection end face from the insertion space that the fixing side frame first edge parallel circuit boards direction is inserted to form one.
2. the shielding structure of electronic installation as claimed in claim 1 is characterized in that: the protection end face is provided with at least one near the side on aforementioned first limit and holds shell fragment, and this holds the shell fragment fastening on fixing side frame.
3. the shielding structure of electronic installation as claimed in claim 2, it is characterized in that: the described shell fragment that holds is provided with the holding section, and fixedly the side frame part of location that matches with the holding section is provided with support slot, and the holding section is fastened in the support slot.
4. the shielding structure of electronic installation as claimed in claim 1 is characterized in that: the protection end face is provided with upper surface and lower surface, and upper surface and lower surface connect and be provided with some through holes.
5. the shielding structure of electronic installation as claimed in claim 1 is characterized in that: the part that the protection end face matches with spacer on the frame, be provided with protuberance, and spacer and protuberance hold mutually.
6. the shielding structure of electronic installation as claimed in claim 1, it is characterized in that: frame is parallel to the circuit board setting of installation, and spacer is provided with to the direction skew away from circuit board from frame, and outside-in extends.
7. the shielding structure of electronic installation as claimed in claim 1, it is characterized in that: the rectangular setting of frame wherein is provided with connecting portion between the both sides that the frame length direction is relative.
8. the shielding structure of electronic installation as claimed in claim 7, it is characterized in that: spacer is symmetricly set in frame length direction both sides, and is distributed in the connecting portion both sides.
9. the shielding structure of electronic installation as claimed in claim 1 is characterized in that: described sidewall is by the outer lateral buckling of frame and extend.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103057025A CN101742895B (en) | 2008-11-25 | 2008-11-25 | Shielding structure of electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103057025A CN101742895B (en) | 2008-11-25 | 2008-11-25 | Shielding structure of electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101742895A true CN101742895A (en) | 2010-06-16 |
| CN101742895B CN101742895B (en) | 2012-04-18 |
Family
ID=42465521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103057025A Expired - Fee Related CN101742895B (en) | 2008-11-25 | 2008-11-25 | Shielding structure of electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101742895B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779682A (en) * | 2012-10-22 | 2014-05-07 | 和硕联合科技股份有限公司 | Elastic conductive member and electronic device thereof |
| CN104279519A (en) * | 2013-07-08 | 2015-01-14 | 海洋王（东莞）照明科技有限公司 | Installation structure of lamp electronic component and lamp |
| 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 |
| CN107104282A (en) * | 2017-04-25 | 2017-08-29 | 上海与德科技有限公司 | Mobile terminal |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5436802A (en) * | 1994-03-16 | 1995-07-25 | Motorola | Method and apparatus for shielding an electrical circuit that is disposed on a substrate |
| CN2426265Y (en) * | 2000-04-29 | 2001-04-04 | 富士康(昆山)电脑接插件有限公司 | Shielding structure for electronic device |
| US6847115B2 (en) * | 2001-09-06 | 2005-01-25 | Silicon Bandwidth Inc. | Packaged semiconductor device for radio frequency shielding |
| JP2003092488A (en) * | 2001-09-17 | 2003-03-28 | Mitsumi Electric Co Ltd | Electronic appliance |
| JP2003133777A (en) * | 2001-10-24 | 2003-05-09 | Matsushita Electric Ind Co Ltd | Shield case |
| CN2792120Y (en) * | 2005-03-22 | 2006-06-28 | 康佳集团股份有限公司 | Electromagnetic shielding device for electronic element |
| CN201078884Y (en) * | 2007-09-03 | 2008-06-25 | 湘铧企业股份有限公司 | Shield structure for preventing electromagnetic interference |
-
2008
- 2008-11-25 CN CN2008103057025A patent/CN101742895B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103779682A (en) * | 2012-10-22 | 2014-05-07 | 和硕联合科技股份有限公司 | Elastic conductive member and electronic device thereof |
| CN103779682B (en) * | 2012-10-22 | 2016-02-17 | 和硕联合科技股份有限公司 | elastic conductive member and electronic device thereof |
| CN104279519A (en) * | 2013-07-08 | 2015-01-14 | 海洋王（东莞）照明科技有限公司 | Installation structure of lamp electronic component and lamp |
| 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 |
| CN107104282A (en) * | 2017-04-25 | 2017-08-29 | 上海与德科技有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101742895B (en) | 2012-04-18 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20121125 |