CN104159440A - Shield part of electronic device - Google Patents
Shield part of electronic device Download PDFInfo
- Publication number
- CN104159440A CN104159440A CN201410431661.XA CN201410431661A CN104159440A CN 104159440 A CN104159440 A CN 104159440A CN 201410431661 A CN201410431661 A CN 201410431661A CN 104159440 A CN104159440 A CN 104159440A
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- CN
- China
- Prior art keywords
- shielded rack
- screening cover
- electronic equipment
- plug division
- shielding part
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- 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.)
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Abstract
The invention discloses a shield part of an electronic device. The shield part of the electronic device is installed on a circuit board and comprises a shield frame and a shield cover, wherein the shield frame is of a cover structure and covers the circuit board, the shield frame is provided with lateral plates and a top plate inclining towards at least one lateral plate, and the top plate of the shield frame is provided with an opening; the shield cover is installed above the opening of the shield frame. The shield frame is provided with the inclined top plate, so that the shield part occupies smaller space, installation of other parts is also facilitated, and the thickness of the electronic device is reduced. The top plate of the shield frame is provided with the opening, the shield cover can cover the opening, and the detachable structure brings convenience to repairing.
Description
Technical field
The present invention relates to a kind of shielding part, relate in particular to a kind of shielding part of electronic equipment.
Background technology
Conventionally, in order to prevent that external electromagnetic field from disturbing circuit arrangement, and prevent that interfere with electromagnetic field is to outdiffusion, above the circuit board of electronic equipment, be covered with shield assembly, electronic component is shielded.
Two-piece type shield assembly in existing electronic equipment is to be generally assembled together by shielded rack and screening cover stacked on top of one another, and this fit system needs shield assembly to have certain height to hold the bridging arrangement of side, is unfavorable for the ultrathin design of electronic equipment.
Summary of the invention
Technical problem to be solved by this invention is to overcome the deficiencies in the prior art, provides a kind of simple in structure, is convenient to the shielding part of the electronic equipment of the ultrathin design of electronic equipment.
In order to realize above-mentioned object, the present invention has adopted following technical scheme:
A shielding part for electronic equipment, is installed on circuit board, comprising:
Shielded rack, is cover body structure, covers on described circuit board, and described shielded rack has side plate and end face, and described top board tilts towards a described side plate, and the top board of described shielded rack is provided with opening;
Screening cover, is installed on above the described opening of described shielded rack.
Wherein, described shielded rack top board is also provided with two relative through holes that lay respectively at described opening both sides, and described screening cover comprises a Plug Division and a holding section, and described Plug Division and holding section are arranged in respectively two described through holes.
Wherein, described Plug Division is the ledge structure of " Z " shape from twice Formation cross-section of described screening cover one Edge Bend.
Wherein, another limit relative with described Plug Division on described screening cover is located in described holding section, comprise the elastic guide portion that forms from described screening cover downward bending and from the described guide part abutting part that upwards bending forms, the described top board inner side of shielded rack described in described abutting part free end butt.
Wherein, described screening cover also comprises the first extension that on described screening cover, extend on the limit from place, described Plug Division, and described the first extension is overlapped in described shielded rack upper surface after described shielded rack is inserted in described Plug Division.
Wherein, another limit relative with described Plug Division on described screening cover is located in described holding section, comprise from the elastic guide portion of described screening cover downward bending formation with from the described guide part abutting part that upwards bending forms, described abutting part free end also has the first limiting section of described Plug Division bearing of trend bending dorsad, and described the first limiting section is overlapped in described shielded rack upper surface after described shielded rack is inserted in described holding section.
Wherein, also have the second limiting section that described Plug Division bearing of trend stretches out dorsad on described abutting part, described the second limiting section is inserted in described shielded rack lower surface after described shielded rack is inserted in described holding section.
Wherein, the top board of the described inclination of described shielded rack is arc.
Wherein, described shielded rack top board is also established and is offered two relative through holes that lay respectively at described opening both sides, and described screening cover comprises two Plug Divisions that lay respectively at two relative sides, and described two Plug Divisions lay respectively in two described through holes.
Wherein, between described screening cover and described shielded rack, be also provided with elastic component.
The present invention, by shielded rack being arranged to have inclined roof panels, has taken less space, has facilitated the installation of other parts simultaneously, has reduced the thickness of electronic equipment; At the top board opening of shielded rack, screening cover is covered on it to this kind of more convenient maintenance of demountable structure.
Meanwhile, by coordinating with shielded rack Plug Division and holding section are set on screening cover, make screening cover be combined with shielded rack more easily and separate, improved assembling and maintenance efficiency.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of the vertical view of the shielding part of the electronic equipment of the preferred embodiment of the present invention.
Fig. 2 is the sectional structure schematic diagram of the shielding part of electronic equipment shown in Fig. 1.
Fig. 3 is the sectional structure schematic diagram of the shielding part of the electronic equipment of other embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the present invention will be further described.
As shown in Figure 1 and Figure 2, the invention provides a kind of shielding part (the present embodiment is taking mobile phone as example) of electronic equipment, be installed on circuit board 1, for preventing that external electromagnetic field from disturbing electronic devices and components and circuit on the PCB circuit board of mobile phone, and prevent that the electromagnetic field producing on PCB circuit board from leaking, this shielding part comprises: the shielded rack 2 of cover body structure, cover on circuit board 1, this shielded rack 2 has side plate and top board, its top board tilts towards a side plate, and the top board of shielded rack 2 is provided with opening 21; Screening cover 3, is installed on opening 21 tops of shielded rack 2.
The embodiment of the present invention tilts towards a side plate by shielded rack 2 being arranged to top board, has reduced to take up room, for the ultrathin design of the structure of mobile phone provides guarantee.Further, the top board of the inclination of shielded rack 2 is arc.
In other embodiments, shielded rack 2 is arc-shaped transition with at least one fillet 200 of circuit board 1.
Preferably, shielded rack 2 adopts foreign copper-nickel alloy to make, and is welded on circuit board 1.
In addition, this mobile phone shielding part adopts dismountable two-part construction, preferably, shielded rack 2 adopts the material of the easy welding such as foreign copper-nickel alloy to make, and first shielded rack 2 is welded on PCB circuit board 1, at the top board opening 21 of shielded rack 2 when installation, by screening cover 3 is set, in the time that PCB internal component and circuit break down, only need pull down screening cover 3, the opening 21 that sees through shielded rack 2 top boards keeps in repair, very convenient.
Wherein, shielded rack 2 top boards are provided with two relative through holes 22,23 that lay respectively at opening 21 both sides, screening cover 3 comprises the Plug Division 31 and the holding section 32 that lay respectively at its two relative sides, and Plug Division 31 and holding section 32 are installed on respectively in two through holes 22,23.In other embodiments, screening cover 3 comprises that 31 of the grafting in 31, two of two Plug Divisions that lay respectively at two relative sides lay respectively in two through holes 22,23.Being appreciated that Plug Division 31 and holding section 32 include but not limited to one, can be also multiple; Two other side of while screening cover 3 also can be provided with Plug Division 31 and holding section 32 lays respectively in other through holes of offering on the top board of shielded rack 2.
As shown in Figure 2, in the present embodiment, the cross section of twice formation of an Edge Bend that Plug Division 31 is self-shileding lid 3 is the ledge structure of " Z " shape.Another limit relative with Plug Division 31 on screening cover 3 is located in holding section, comprises elastic guide portion 321 that self-shileding lid 3 downward bendings form and from guide part 321 abutting part 322 that upwards bending forms, the top board inner side of abutting part 322 free end butt shielded racks 2.
In the fitting operation of actual screening cover 3, first Plug Division 31 is inserted in one of them through hole 22 of shielded rack 2 top boards, then pressing fastened portion 32 down, guide part 321 guides screening cover 3 to insert in another through hole 23, the compressed generation elastic deformation of abutting part 322 simultaneously, when abutting part 322 enter into completely another through hole 23 interior after whole installation process complete, now, abutting part 322 free end elasticity are connected to the inner side of the top board of shielded rack 2, due to lever principle, Plug Division 31 ends are also correspondingly subject to a thrust upwards and more fit in the edge of through hole 22, guarantee screening cover 3 is installed firmly and not loosening, in the time that needs are dismantled screening cover 3, make Plug Division 31 depart from through hole 22 by the elastic force promotion screening cover 3 that overcomes abutting part 322 towards abutting part 322 directions, can take off screening cover 3.Preferably, the operating portion of a band inclination or crossbar can be set, the frictional force of hand and screening cover 3 upper surfaces can increase operation time at screening cover top.
As shown in Figure 3, for the sectional structure schematic diagram (as taking panel computer as example) of the shielding part of the electronic equipment of another embodiment of the present invention, screening cover 3 also comprises that the first extension 34, the first extensions 34 that on screening cover 3, extend on the limit from 31 places, Plug Division are overlapped in shielded rack 2 upper surfaces after shielded rack 2 is inserted in Plug Division.Preferably, the first extension 34 is extension board, widens as the top board of screening cover 3, can enter on circuit board in the rear further blocks dust of screening cover 3 installations etc.In other embodiments, the first extension 34 is extended than the narrow projection in limit at 31 places, Plug Division on screening cover 3.
Further, in other embodiments, another limit relative with Plug Division 31 on screening cover 3 is located in holding section 32, comprise self-shileding lid 3 downward bendings form elastic guide portion 321 and from guide part 321 upwards bending form abutting part 322, the first limiting section 323, the first limiting sections 323 that abutting part 322 free ends also have Plug Division 31 bearing of trend bendings are dorsad overlapped in shielded rack 2 upper surfaces after shielded rack 2 is inserted in holding section 32.
Different from preferred embodiment is above, the shielding part that the present embodiment provides screening cover 3 is installed to shielded rack 2 time, first, Plug Division 31 is inserted in one of them through hole 22 of shielded rack 2 top boards, make on the first extension 34 overlap joints and shielded rack 2 housings simultaneously, then pressing fastened portion 32 down, guide part 321 guides screening cover 3 to insert in another through hole 23, the compressed generation elastic deformation of abutting part 322 simultaneously, when abutting part 322 enter into completely another through hole 23 interior after and the first limiting section 323 be overlapped on shielded rack 2 housings, whole installation process completes, when screening cover 3 is dismantled, still can use the method for preferred embodiment above, make Plug Division 31 depart from through hole 22 by the elastic force promotion screening cover 3 that overcomes abutting part 322 towards abutting part 322 directions, then take off screening cover 3, also can prop up the first limiting section 323 with hand and compress abutting part 322 and pull out again screening cover 3.
In other embodiments, holding section 32 can also comprise the second limiting section 324, it is positioned on abutting part 322 Plug Division 31 bearing of trends dorsad and stretches out, and is inserted in shielded rack 2 lower surfaces after shielded rack 2 is inserted in holding section 32, with the first limiting section 323, the housing of shielded rack 2 is fastened in wherein.
In other embodiments, between screening cover 3 and shielded rack 2, be also provided with elastic component (not shown), can there is strain at vertical direction in this elastic component, be understandable that, this elastic component can be spring, also can be the structures such as shell fragment, after screening cover 3 is installed on shielded rack 2, this elastic component, between screening cover 3 and shielded rack 2, produces pushing force to the two surface, make the two in conjunction with tightr, install more firm.Particularly, this elastic component can arrange separately, is not fixedly connected with shielded rack 2 with screening cover 3; This elastic component also can be fixed on the lower surface of screening cover 3 or the upper surface of shielded rack 2 top boards in one end.
The present embodiment is by shielded rack 2 is arranged to have at least one inclined roof panels, and shielded rack 2 is connected by least one arc-shaped transition fillet 200 with circuit board 1, has reduced the thickness of electronic equipment; At the top board opening of shielded rack, screening cover is covered on it to this kind of more convenient maintenance of demountable structure.
Simultaneously, screening cover 3 both sides are arranged respectively to cross section and two through holes 22,23 that coordinate with Plug Division 31 and holding section 32 are respectively set for " Z " shape Plug Division 31 and holding section 32, shielded rack 2 tops, when assembling, only need first Plug Division 31 to be inserted one of them through hole 22, then pressing fastened portion 32 completes the assembling of screening cover 3 down, and screening cover 3 is assembled on shielded rack 2 more easily; Equally, screening cover 3 need to be pulled down on repairing circuit plate 1 to components and parts time, only need promote screening covers 3 towards abutting part 322 directions and make Plug Division 31 depart from through hole 22, can take off screening cover 3, improve assembling and maintenance efficiency.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a shielding part for electronic equipment, is installed on circuit board, comprising:
Shielded rack, is cover body structure, covers on described circuit board, and described shielded rack has side plate and top board, and described top board tilts towards a described side plate, and the top board of described shielded rack is provided with opening;
Screening cover, is installed on above the described opening of described shielded rack.
2. the shielding part of electronic equipment according to claim 1, it is characterized in that, described shielded rack top board is also provided with two relative through holes that lay respectively at described opening both sides, described screening cover comprises the Plug Division and the holding section that lay respectively at two relative sides, and described Plug Division and holding section are arranged in respectively two described through holes.
3. the shielding part of electronic equipment according to claim 2, is characterized in that, described Plug Division is the ledge structure of " Z " shape from twice Formation cross-section of an Edge Bend of described screening cover.
4. the shielding part of electronic equipment according to claim 2, it is characterized in that, another limit relative with described Plug Division on described screening cover is located in described holding section, comprise the elastic guide portion that forms from described screening cover downward bending and from the described guide part abutting part that upwards bending forms, the described top board inner side of shielded rack described in described abutting part free end butt.
5. the shielding part of electronic equipment according to claim 2, it is characterized in that, described screening cover also comprises the first extension that on described screening cover, extend on the limit from place, described Plug Division, and described the first extension is overlapped in described shielded rack upper surface after described shielded rack is inserted in described Plug Division.
6. the shielding part of electronic equipment according to claim 2, it is characterized in that, another limit relative with described Plug Division on described screening cover is located in described holding section, comprise from the elastic guide portion of described screening cover downward bending formation with from the described guide part abutting part that upwards bending forms, described abutting part free end also has the first limiting section of described Plug Division bearing of trend bending dorsad, and described the first limiting section is overlapped in described shielded rack upper surface after described shielded rack is inserted in described holding section.
7. the shielding part of electronic equipment according to claim 6, it is characterized in that, on described abutting part, also have the second limiting section that described Plug Division bearing of trend stretches out dorsad, described the second limiting section is inserted in described shielded rack lower surface after described shielded rack is inserted in described holding section.
8. the shielding part of electronic equipment according to claim 1, is characterized in that, the end face top board of the described inclination of described shielded rack is arc.
9. the shielding part of electronic equipment according to claim 1, it is characterized in that, described shielded rack top board is also established and is offered two relative through holes that lay respectively at described opening both sides, described screening cover comprises two Plug Divisions that lay respectively at two relative sides, and described two Plug Divisions lay respectively in two described through holes.
10. the shielding part of electronic equipment according to claim 1, is characterized in that, between described screening cover and described shielded rack, is also provided with elastic component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431661.XA CN104159440B (en) | 2014-08-28 | 2014-08-28 | The shielding part of a kind of electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410431661.XA CN104159440B (en) | 2014-08-28 | 2014-08-28 | The shielding part of a kind of electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104159440A true CN104159440A (en) | 2014-11-19 |
| CN104159440B CN104159440B (en) | 2017-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410431661.XA Active CN104159440B (en) | 2014-08-28 | 2014-08-28 | The shielding part of a kind of electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104159440B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936426A (en) * | 2015-05-23 | 2015-09-23 | 上海鼎讯电子有限公司 | Shielding structure and assembling method thereof |
| CN107018644A (en) * | 2017-05-16 | 2017-08-04 | 深圳市信维通信股份有限公司 | Detachable radome |
| CN109963449A (en) * | 2017-12-24 | 2019-07-02 | 利萨·德雷克塞迈尔有限责任公司 | For the covering of electromagnetic shielding shell, electromagnetic shielding shell and manufacturing method |
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| CN1252923A (en) * | 1997-04-16 | 2000-05-10 | 艾利森电话股份有限公司 | A shielding housing and method of producing a shielding housing |
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| CN2935733Y (en) * | 2006-07-04 | 2007-08-15 | 洪进富 | Structure of anti-electromagnetic interference shielding hood |
| CN101378646A (en) * | 2007-08-28 | 2009-03-04 | 明基电通（上海）有限公司 | Shielding structure and electronic device using the same |
| US20090231825A1 (en) * | 2008-03-14 | 2009-09-17 | Universal Scientific Industrial Co., Ltd. | Electromagnetic shielding device |
| CN203378207U (en) * | 2013-07-25 | 2014-01-01 | 昆山维金五金制品有限公司 | Electromagnetic shielding cover |
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2014
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Patent Citations (7)
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| CN1252923A (en) * | 1997-04-16 | 2000-05-10 | 艾利森电话股份有限公司 | A shielding housing and method of producing a shielding housing |
| US6121546A (en) * | 1998-04-20 | 2000-09-19 | Lucent Technologies Inc. | RF shield |
| CN2757512Y (en) * | 2004-12-04 | 2006-02-08 | 鸿富锦精密工业（深圳）有限公司 | Anti-magnet cover |
| CN2935733Y (en) * | 2006-07-04 | 2007-08-15 | 洪进富 | Structure of anti-electromagnetic interference shielding hood |
| CN101378646A (en) * | 2007-08-28 | 2009-03-04 | 明基电通（上海）有限公司 | Shielding structure and electronic device using the same |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104936426A (en) * | 2015-05-23 | 2015-09-23 | 上海鼎讯电子有限公司 | Shielding structure and assembling method thereof |
| CN107018644A (en) * | 2017-05-16 | 2017-08-04 | 深圳市信维通信股份有限公司 | Detachable radome |
| CN109963449A (en) * | 2017-12-24 | 2019-07-02 | 利萨·德雷克塞迈尔有限责任公司 | For the covering of electromagnetic shielding shell, electromagnetic shielding shell and manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104159440B (en) | 2017-07-11 |
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