CN104159440B - The shielding part of a kind of electronic equipment - Google Patents
The shielding part of a kind of electronic equipment Download PDFInfo
- Publication number
- CN104159440B CN104159440B CN201410431661.XA CN201410431661A CN104159440B CN 104159440 B CN104159440 B CN 104159440B CN 201410431661 A CN201410431661 A CN 201410431661A CN 104159440 B CN104159440 B CN 104159440B
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- shielded rack
- screening cover
- plug division
- electronic equipment
- top board
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Abstract
The invention discloses the shielding part of a kind of electronic equipment, it is installed on circuit board, including:Shielded rack, is cover body structure, is covered on the circuit board, and the shielded rack has side plate and top board, and the top board is inclined towards side plate described at least one, and the top board of the shielded rack is provided with opening；Screening cover, is installed on the overthe openings of the shielded rack.The present invention is configured with an inclined roof panels by by shielded rack, occupies smaller space, while facilitating the installation of other parts, reduces the thickness of electronic equipment；In the plate top openings of shielded rack, screening cover is covered at thereon, the more convenient maintenance of this kind of demountable structure.
Description
Technical field
The present invention relates to the shielding part of a kind of shielding part, more particularly to a kind of electronic equipment.
Background technology
Generally, in order to prevent external electromagnetic field from disturbing circuit arrangement, and interference electromagnetic field is prevented to external diffusion,
Shield assembly is covered with the circuit board of electronic equipment, electronic component is shielded.
Two-piece type shield assembly in existing electronic equipment is generally by shielded rack and screening cover assembling stacked on top of one another
Together, this fit system needs the shield assembly to have certain height to accommodate the bridging arrangement of side, is unfavorable for that electronics sets
Standby ultrathin design.
The content of the invention
The technical problems to be solved by the invention are to overcome the deficiencies in the prior art, there is provided a kind of simple structure, are easy to
The shielding part of the electronic equipment of the ultrathin design of electronic equipment.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
The shielding part of a kind of electronic equipment, is installed on circuit board, including:
Shielded rack, is cover body structure, is covered on the circuit board, and the shielded rack has side plate and top surface, the top
Plate is tilted towards a side plate, and the top board of the shielded rack is provided with opening；
Screening cover, is installed on the overthe openings of the shielded rack.
Wherein, the shielded rack top board is additionally provided with two relative through holes respectively positioned at the opening both sides, the screen
Covering lid includes a Plug Division and a holding section, and the Plug Division and holding section are located in two through holes respectively.
Wherein, the Plug Division from the Edge Bend of screening cover one twice Formation cross-section be Z-shaped ledge structure.
Wherein, the holding section another a line relative with the Plug Division on the screening cover, including described in
Elastic guide portion and the abutting part from the upward bending formation of the guide part that screening cover downward bending is formed, the abutting part is certainly
The top board inner side of the shielded rack is abutted by end.
Wherein, the screening cover also includes the first extension that the side on the screening cover from where the Plug Division extends
Portion, first extension is overlapped in the shielded rack upper surface after inserting the shielded rack in the Plug Division.
Wherein, relative with the Plug Division another a line on the screening cover in the holding section, including described in
Elastic guide portion and the abutting part from the upward bending formation of the guide part that screening cover downward bending is formed, the abutting part is certainly
Also there is the first limiting section of the dorsad Plug Division bearing of trend bending by holding, first limiting section is inserted in the holding section
The shielded rack upper surface is overlapped in after entering the shielded rack.
Wherein, also there is the second limiting section that dorsad the Plug Division bearing of trend stretches out on the abutting part, described the
Two limiting sections are inserted in the shielded rack lower surface after the shielded rack is inserted in the holding section.
Wherein, the described inclined top board of the shielded rack is arc.
Wherein, the shielded rack top board also sets two relative through holes for offering and being located at the opening both sides respectively, institute
Stating screening cover includes being located at two relative the two of side Plug Divisions respectively, and described two Plug Divisions are located at described in two respectively
In through hole.
Wherein, it is additionally provided with elastic component between the screening cover and the shielded rack.
The present invention is configured with inclined roof panels by by shielded rack, smaller space is occupied, while facilitating other
The installation of parts, reduces the thickness of electronic equipment；In the plate top openings of shielded rack, screening cover is covered at thereon, it is such a
The more convenient maintenance of demountable structure.
Meanwhile, by Plug Division and holding section will be set to coordinate with shielded rack on screening cover so that screening cover is more easily
Combine and separate with shielded rack, improve assembling and maintenance efficiency.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of the top view of the shielding part of the electronic equipment of the preferred embodiment of the present invention.
Fig. 2 is the cross section structure diagram of the shielding part of electronic equipment shown in Fig. 1.
Fig. 3 is the cross section structure diagram of the shielding part of the electronic equipment of other embodiments of the present invention.
Specific embodiment
By embodiment, the present invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the invention provides the shielding part (the present embodiment is by taking mobile phone as an example) of a kind of electronic equipment, peace
Loaded on circuit board 1, for preventing electronic component and circuit in PCB of the external electromagnetic field to mobile phone from doing
Disturb, and prevent the electromagnetic field produced in PCB from leaking, the shielding part includes:The shielded rack 2 of cover body structure, covers at
On circuit board 1, the shielded rack 2 has side plate and top board, and its top board is inclined towards a side plate, and the top board of shielded rack 2 is provided with out
Mouth 21；Screening cover 3, is installed on the top of opening 21 of shielded rack 2.
The embodiment of the present invention is inclined by the way that shielded rack 2 is arranged into top board towards a side plate, is reduced and is taken up room, and is
The ultrathin design of the structure of mobile phone is provided and ensured.Further, the inclined top board of shielded rack 2 is arc.
In other embodiments, shielded rack 2 is connected side 200 with least one of circuit board 1 for arc-shaped transition.
Preferably, shielded rack 2 is made of foreign copper-nickel alloy, and welding is on the circuit card 1.
In addition, the Mobile phone screen shield uses dismountable two-part construction, it is preferable that shielded rack 2 is held using foreign copper-nickel alloy etc.
The material easily welded is made, and first shielded rack 2 is welded in PCB 1 during installation, in the plate top openings 21 of shielded rack 2, is led to
Setting screening cover 3 is crossed, screening cover 3 need to be only pulled down when PCB internal components and circuit break down, through the top board of shielded rack 2
Opening 21 repaired, it is very convenient.
Wherein, the top board of shielded rack 2 is provided with two relative through holes 22,23 respectively positioned at the both sides of opening 21, and screening cover 3 is wrapped
The Plug Division 31 and a holding section 32 for being located at its two relative side respectively are included, Plug Division 31 and holding section 32 are distinguished
It is installed in two through holes 22,23.In other embodiments, screening cover 3 includes being located at relative two the two of side respectively
Individual Plug Division 31, two grafting 31 are located in two through holes 22,23 respectively.It is appreciated that Plug Division 31 and holding section 32 are wrapped
Include but be not limited to one, or multiple；Two other side of screening cover 3 can also be provided with Plug Division 31 and card simultaneously
In other through holes that conjunction portion 32 opens up on the top board of shielded rack 2 respectively.
As shown in Fig. 2 in the present embodiment, Plug Division 31 is for the section that a line bending of self-shileding lid 3 is formed twice
The ledge structure of Z-shaped.Holding section another a line relative with Plug Division 31 on screening cover 3, including self-shileding lid 3 are downward
The abutting part 322 that the upward bending in elastic guide portion 321 and self- steering portion 321 that bending is formed is formed, the free end of abutting part 322 is supported
Connect the top board inner side of shielded rack 2.
In the installation operation of actual screening cover 3, Plug Division 31 is inserted to one of through hole of the top board of shielded rack 2 first
In 22, then pressing fastened portion 32 down, the guiding screening cover 3 of guide part 321 is inserted in another through hole 23, while abutting part 322
Elastic deformation is occurred by compression, when abutting part 322 is completely into the whole installation process completion to after in another through hole 23, now,
The free end elasticity of abutting part 322 is connected to the inner side of the top board of shielded rack 2, and due to lever principle, the end of Plug Division 31 is also correspondingly
The edge of through hole 22 is more fitted in by a upward thrust, it is ensured that screening cover 3 is firmly installed without loosening；Work as needs
During dismounting screening cover 3, Plug Division 31 is taken off by overcoming the resilient force screening cover 3 of abutting part 322 towards the direction of abutting part 322
From through hole 22, you can remove screening cover 3.Preferably, the behaviour with inclination or crossbar can be set at the top of screening cover
Make portion, hand and the frictional force of the upper surface of screening cover 3 when can increase operation.
As shown in figure 3, the cross section structure diagram of the shielding part for the electronic equipment of another embodiment of the present invention is (such as with flat
As a example by plate computer), screening cover 3 also includes the first extension 34 that the side on screening cover 3 from where Plug Division 31 extends, and first prolongs
Extending portion 34 is overlapped in the upper surface of shielded rack 2 after Plug Division insertion shielded rack 2.Preferably, the first extension 34 is extension board, is made
For the top board of screening cover 3 is widened, further blocks dust etc. can enter on circuit board after the installation of screening cover 3.In other realities
In applying mode, the narrow projection in side of first extension 34 where Plug Division 31 on the ratio screening cover 3 that extends.
Further, in other embodiments, holding section 32 is located at relative with Plug Division 31 on screening cover 3 another
Side, including the abutting part that the elastic guide portion 321 and self- steering portion 321 upward bending that is formed of the downward bending of self-shileding lid 3 is formed
322, the free end of abutting part 322 also has the first limiting section 323 of the dorsad bearing of trend bending of Plug Division 31, the first limiting section
323 are overlapped in the upper surface of shielded rack 2 after the insertion of holding section 32 shielded rack 2.
From unlike preferred embodiment above, screening cover 3 is being installed to shielding by the shielding part that the present embodiment is provided
Frame 2 when, first, during Plug Division 31 inserted into one of through hole 22 of the top board of shielded rack 2, while taking the first extension 34
Connect with the housing of shielded rack 2, then pressing fastened portion 32 down, the guiding screening cover 3 of guide part 321 is inserted in another through hole 23,
Simultaneously there is elastic deformation in abutting part 322 by compression, after abutting part 322 is completely into in another through hole 23 and first is spacing
Portion 323 is overlapped on the housing of shielded rack 2, and whole installation process is completed；When screening cover 3 is dismantled, it still can be used and be above preferable to carry out
The method of example, it is logical by overcoming the resilient force screening cover 3 of abutting part 322 to depart from Plug Division 31 towards the direction of abutting part 322
Hole 22, then removes screening cover 3, it is also possible to props up the compression abutting part 322 of the first limiting section 323 with hand and pulls out screening cover 3 again.
In other embodiments, holding section 32 can also include the second limiting section 324, and it is located on abutting part 322 dorsad
The bearing of trend of Plug Division 31 stretches out, and the lower surface of shielded rack 2 is inserted in after the insertion of holding section 32 shielded rack 2, with the first limiting section
323 are fastened in wherein the housing of shielded rack 2.
In other embodiments, elastic component (not shown) is additionally provided between screening cover 3 and shielded rack 2, the elastic component exists
Vertical direction can occur elastic deformation, it is to be understood that the elastic component can be the structures such as spring, or shell fragment, when
Screening cover 3 is installed on after shielded rack 2, and the elastic component is located between screening cover 3 and shielded rack 2, and pushing is produced to the two surface
Power, combines the two closer, installs more firm.Specifically, the elastic component can be separately provided, i.e., not with screening cover 3 and screen
Frame 2 is covered to be fixedly connected；The elastic component can also one end be fixed on the lower surface of screening cover 3 or the upper surface of the top board of shielded rack 2.
The present embodiment is configured with least one inclined roof panels by by shielded rack 2, and shielded rack 2 passes through with circuit board 1
At least one arc-shaped transition connection side 200 connects, and reduces the thickness of electronic equipment；In the plate top openings of shielded rack, it will shield
Housing is provided thereon, the more convenient maintenance of this kind of demountable structure.
Meanwhile, it is that Z-shaped Plug Division 31 and holding section 32, the top of shielded rack 2 are set that the both sides of screening cover 3 are set into section respectively
Two through holes 22,23 for coordinating with Plug Division 31 and holding section 32 respectively are put, only needs first to be inserted Plug Division 31 during assembling
One through hole 22, then pressing fastened portion 32 is the assembling for completing screening cover 3 down so that screening cover 3 is more easily assembled to
On shielded rack 2；Equally, it is necessary to when screening cover 3 is pulled down into component on repairing circuit plate 1, need to only be promoted towards the direction of abutting part 322
Screening cover 3 makes Plug Division 31 depart from through hole 22, you can remove screening cover 3, improves assembling and maintenance efficiency.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. the shielding part of a kind of electronic equipment, is installed on circuit board, including:
Shielded rack, is cover body structure, is covered on the circuit board, and the shielded rack has side plate and top board, the top board court
Inclined to a side plate, the top board of the shielded rack is provided with opening；
Screening cover, is installed on the overthe openings of the shielded rack；
The shielded rack top board is additionally provided with two relative through holes respectively positioned at the opening both sides, and the screening cover includes dividing
A Plug Division and a holding section for two sides that Wei Yu be not relative, the Plug Division and holding section are located at two institutes respectively
In stating through hole；
From a line bending of the screening cover, Formation cross-section is the ledge structure of Z-shaped, the engaging twice for the Plug Division
Relative with the Plug Division another a line on the screening cover in portion, including the bullet formed from the screening cover downward bending
Property the guide part and abutting part that is formed from the upward bending of the guide part, the free end of the abutting part abuts the shielded rack
On the inside of the top board.
2. the shielding part of electronic equipment according to claim 1, it is characterised in that the screening cover also includes the shielding
The first extension from the side extension where the Plug Division is covered, first extension inserts the screen in the Plug Division
The shielded rack upper surface is overlapped in after covering frame.
3. the shielding part of electronic equipment according to claim 1, it is characterised in that the free end of the abutting part also has
Dorsad the first limiting section of the Plug Division bearing of trend bending, first limiting section inserts the shielding in the holding section
The shielded rack upper surface is overlapped in after frame.
4. the shielding part of electronic equipment according to claim 3, it is characterised in that also there is dorsad institute on the abutting part
The second limiting section that Plug Division bearing of trend stretches out is stated, second limiting section is inserted after the shielded rack is inserted in the holding section
Located at the shielded rack lower surface.
5. the shielding part of electronic equipment according to claim 1, it is characterised in that the described inclined top of the shielded rack
Face top board is arc.
6. the shielding part of electronic equipment according to claim 1, it is characterised in that the screening cover and the shielded rack it
Between be additionally 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 CN104159440A (en) | 2014-11-19 |
| CN104159440B true CN104159440B (en) | 2017-07-11 |
Family
ID=51884812
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 |
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| CN (1) | CN104159440B (en) |
Families Citing this family (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 |
| DE102017131298A1 (en) * | 2017-12-24 | 2019-06-27 | Lisa Dräxlmaier GmbH | Cover for an electromagnetically shielded housing, electromagnetically shielded housing and method for producing an electromagnetically shielded housing |
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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 |
| CN203378207U (en) * | 2013-07-25 | 2014-01-01 | 昆山维金五金制品有限公司 | Electromagnetic shielding cover |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090231825A1 (en) * | 2008-03-14 | 2009-09-17 | Universal Scientific Industrial Co., Ltd. | Electromagnetic shielding device |
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2014
- 2014-08-28 CN CN201410431661.XA patent/CN104159440B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN203378207U (en) * | 2013-07-25 | 2014-01-01 | 昆山维金五金制品有限公司 | Electromagnetic shielding cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104159440A (en) | 2014-11-19 |
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