CN206196252U - Screening cover and electron device - Google Patents
Screening cover and electron device Download PDFInfo
- Publication number
- CN206196252U CN206196252U CN201621226146.9U CN201621226146U CN206196252U CN 206196252 U CN206196252 U CN 206196252U CN 201621226146 U CN201621226146 U CN 201621226146U CN 206196252 U CN206196252 U CN 206196252U
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- China
- Prior art keywords
- circuit board
- screening cover
- clamping part
- contact jaw
- supporting part
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Abstract
The utility model relates to a screening cover and electron device. Electron device includes circuit board, electronic component and screening cover. Electronic component dispose in on the circuit board. The screening cover install in the circuit board covers electronic component. The lateral wall of screening cover extends has a plurality of clamping parts and a plurality of supporting parts. The clamping part passes the slit of circuit board and the contact jaw of clamping part supports the bottom surface of circuit board. The supporting part be the slice and for parallel attached in the top surface of circuit board.
Description
Technical field
The utility model is related to a kind of screening cover and electronic installation, and a kind of more particularly to screening cover for shielding wireless signal
With electronic installation.
Background technology
Electromagnetic Interference is one of common problem in electronic installation inside.Specifically, the electronic building brick in electronic installation
Electromagnetic wave, the electromagnetic wave would generally operationally be produced can influence the signal quality and service behaviour of other electronic building bricks.
Therefore, in an electronic, such as mobile phone and intelligent mobile phone etc., in order to prevent the electronic building brick institute because being installed on inside
Misoperation caused by the electromagnetic wave noise of transmitting, it will usually which electromagnetic wave screening structure is set on printed circuit board (PCB) internally
The electromagnetic wave is shielded and noise is promptly grounded and is led off.
Single type or two-piece type are generally divided into current, common electromagnetic wave screening structure, however, the electromagnetism of two-piece type
Wave screen shield structure, due to the structure for having upper and lower two panels different, needs different die sinkings, therefore have manufacturing cost expensive in production
Problem, and the electromagnetic wave screening structure of single type removes often time-consuming laborious, therefore also has the problem of bad maintenance.It is
How to design one and can consolidate and be installed on the electromagnetic wave screening structure of printed circuit board and sent out with effectively shielding electronic building brick
The electromagnetic wave for going out, and can simply be fabricated by being spent to save manufacture, maintenance difficult is easily installed and is not resulted in, it is to work as
The important issue of preceding electromagnetic wave screening structure design.
Utility model content
The utility model provides a kind of screening cover, is used to be installed on circuit board, can simply manufacture, repair easily and save
Save producing cost.
Screening cover of the present utility model is used to be installed on circuit board.The side wall of the screening cover be extended with multiple clamping parts with
Multiple supporting parts.The clamping part is used to the slit through the circuit board and props up the electricity with the contact jaw of the clamping part
The bottom surface of road plate.The supporting part is for sheet and to the parallel top surface for being attached at the circuit board.
Electronic installation of the present utility model includes circuit board, electronic building brick and screening cover.Electronic building brick is configured at described
On circuit board.Screening cover is installed on the circuit board and covers the electronic building brick.The side wall of the screening cover is extended with multiple
Clamping part and multiple supporting parts.The clamping part passes through the slit of the circuit board and props up institute with the contact jaw of the clamping part
State the bottom surface of circuit board.The supporting part is sheet and the parallel top surface for being attached at the circuit board.
Based on above-mentioned, in screening cover of the present utility model and electronic installation, clamping part is respectively held against circuit with supporting part
The bottom surface of plate and the top surface for being attached at circuit board.Therefore, screening cover can consolidate installation on circuit boards.
It is that features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing
It is described in detail below.
Brief description of the drawings
Fig. 1 is the stereogram of the electronic installation of an embodiment of the present utility model；
Fig. 2 is the three-dimensional exploded view of the electronic installation of Fig. 1；
Fig. 3 for Fig. 2 screening cover assembling after along I-I ' sectional view.
Specific embodiment
With detailed reference to one exemplary embodiment of the present utility model, the example of one exemplary embodiment is illustrated in accompanying drawing
In.Whenever possible, same components label is used for representing same or similar part in the accompanying drawings and the description.
Fig. 1 is the stereogram of the electronic installation of an embodiment of the present utility model, and Fig. 2 is the solid of the electronic installation of Fig. 1
Exploded view.Fig. 1 and Fig. 2 is please also refer to, electronic installation 50 includes circuit board 200, electronic building brick 220 and screening cover 100.
Electronic building brick 220 is configured on circuit board 200, has multiple slits 210 on circuit board 200.An embodiment of the present utility model
Screening cover 100 be installed on circuit board 200 and cover the electronic building brick 220.The side wall 110 of screening cover 100 is extended with multiple
Clamping part 120 and multiple supporting parts 130.The quantity of clamping part 120 corresponds to the quantity of above-mentioned slit 210, in order to aspect is follow-up
Illustrate, the present embodiment schema will be so that four clamping parts 120 correspond to four slits 210 as an example.In fact, can be according to circuit board
Its quantity of the configuration change of electronic building brick 220 on 200, the utility model is not limited to this.Clamping part 120 passes through the circuit board
200 slit 210 simultaneously props up the bottom surface 204 (being shown in Fig. 3) of circuit board 200 with the contact jaw 122 of clamping part 120.Supporting part
130 top surfaces 202 for propping up circuit board 200.Therefore, screening cover 100 can be consolidated on circuit board 200, and is covered really
Electronic building brick 220 is passed through with preventing or reducing electromagnetic wave.Further, since the design of supporting part 130, the screening cover of the present embodiment
100 can increase with the contact area of the top surface 202 of circuit board 200, and screening cover 100 may damage when reduction contact area is too small
The probability of circuit board 200.
The screening cover 100 of the present embodiment can be made up of single sheet material, and its material can be tinplate or other conductive materials,
But the utility model is not limited to this.For compared to known two-piece type electromagnetic wave screening structure, what the present embodiment was provided
Screening cover 100 uses one piece design, can save the expenses such as production, storage.Compared to known single type electromagnetic wave shielding
For structure, the manufacturing process of the screening cover 100 that the present embodiment is provided is relatively simple.In order to avoid the side wall of screening cover 100
110 scratch circuit boards 200, the material that the side wall 110 of the screening cover 100 of the present embodiment is contacted with the part 112 of circuit board 200 is
Electrically conductive elastic material, e.g. electric silica gel.The height of the part 112 of electrically conductive elastic material is, for example, 0.1mm.Additionally, shielding
Lid 100 is preferred without interspacing with completely contacting circuit board 200.If the edge of the side wall 110 of screening cover 100 is not smooth enough,
Or the surface of circuit board 200 is not smooth enough, then space is might have between the edge of side wall 110 and circuit board 200.Conductive bullet
Property material part 112 can ensure that the edge of side wall 110 and the adaptation of circuit board 200 and avoid revealing electromagnetic wave
Fig. 3 for Fig. 2 screening cover 100 assemble after along I-I ' generalized section.Fig. 2 and Fig. 3 is please also refer to, in detail
For thin, the clamping part 120 of screening cover 100 has elasticity through bending, and the direction of its bending is towards in screening cover 100
Side, but also may be selected to be bent to the outside of cover lid 100, but the utility model is not limited to this.Clamping part 120 is away from side wall
110 one end is contact jaw 122.When user's force is installed screening cover 100 by the top surface 202 of circuit board 200 down, because
Clamping part 120 has elasticity, and contact jaw 122 will touch the slit 210 of circuit board 200 and make the elasticity pressure of whole clamping part 120
Contract to be passed through the slit 210 on circuit board 200.Behind slit 210 of the contact jaw 122 through circuit board 200, whole clamping part
120 can open the external form for reverting back to script because of elasticity, and the bottom surface 204 of circuit board 200 is contacted by contact jaw 12.By this
The mechanism of sample, contact jaw 122 can provide a upward power and prop up circuit board 200.Additionally, contact jaw 122 can bend and have
There is a plane so that contact jaw 122 can be with this plane contact in the bottom surface 204 of circuit board 200, to avoid damaging circuit board
200 bottom surface 204.In other words, the bottom surface 204 of contact jaw 122 and circuit board 200 is contacted for face.Therefore, contact jaw 122 pairs
Circuit board 200 provides better fastening power.Because clamping part 120 has resilient characteristic, the screen of the present embodiment through bending
Lid 100 is covered to be not used in clamping part 120 through carrying out other processing after the slit 210 on circuit board 200, without welding or
Be fixed on clamping part 120 on circuit board 200 by other any type of fixed forms.
On the other hand, the supporting part 130 of screening cover 100 is, for example, sheet and the parallel top surface for being attached at circuit board 200
202, therefore the contact area of supporting part 130 and the top surface 202 of circuit board 200 can be increased.For example, supporting part 130 is
Cut and bent by a part for clamping part 120 and formed.Clamping part 120 it is cleaved and formed one opening 124, opening 124 be from
The bending place of supporting part 130 extends towards the bottom surface 204 of circuit board 200, that is, opening 124 is from opening 124 and supporting part
130 adjacent sides 126 extend towards the lower section in Fig. 2.Because the opening 124 that clamping part 120 is hollowed out and is formed is towards circuit
The bottom surface 204 of plate 200 extends, and can't influence overall shield effectiveness.Supporting part 130 after installation in parallel being attached at circuit
The top surface 202 of plate 200, props up circuit board 200, and screening cover 100 is consolidated Dingan County and be placed in circuit to provide a downward power
On plate 200.Additionally, the top surface 202 in circuit board 200 can configure one layer of ground plane 230, its particular type shape is referred to such as Fig. 2 institutes
Illustrate.Ground plane 230 is extended at the attaching of supporting part 130 so that supporting part 130 attaches ground plane 230 and produces good connecing
Ground effect.Conducting resinl 240 is can configure between supporting part 130 and ground plane 230 to lift earthing effect.In addition, supporting part
130 is to be cut and bent by clamping part 120 to form, therefore supporting part 130 can really cover the supported portion 130 of slit 210 and pass through
Part.Consequently, it is possible to only two fractions of the slit 210 positioned at the both sides of supporting part 130 are not covered by screening cover 100,
Notch length can be reduced.The screening cover 100 of the present embodiment is to prevent or reduce electromagnetic wave to pass through.For example to frequency electromagnetic waves
For, slit 210 is located at two fractions of the both sides of supporting part 130 because length is very short, typically can be by just as wall
Frequency electromagnetic waves fully cover, and in other words, supporting part 130 further can produce good masking to imitate electronic building brick 220
Really.
Have the clamping part 120 of elastic construction firmly closely sealed with supporting part 130 as described above, screening cover 100 can pass through
In circuit board 200.When the electronic building brick 220 in the circuit board 200 that needs repairing, a simple dismounting tool can be used, with
The mode outwards pushed open or inwardly extrude, the contact jaw 122 of clamping part 120 is elapsed to slit 210, and screen is separated easily
Cover lid 100 and circuit board 200.By taking the clamping part 120 bent inwards in Fig. 3 as an example, when removing, tool is removed to contact jaw
122 bestow a power so that clamping part 120 compresses, therefore clamping part 120 may pass through the slit 210 on circuit board 200 and release card
The snapping relationship of buckle 120 and circuit board 200.Clamping part 120 can be because reverting back to script after leaving slit 210 with elasticity
External form, to reuse.Therefore, the screening cover 100 that the present embodiment is proposed has the easy benefit of maintenance, it is possible to resolve known
The problem that the maintenance of single type electromagnetic wave screening structure is difficult in technology.
In sum, in the screening cover that the utility model is provided with electronic installation, clamping part can be pressed from both sides jointly with supporting part
Firmly circuit board so that the electromagnetic wave that screening cover is stably mounted on circuit board and completely shielding electronic building brick is sent.Additionally,
The screening cover that the utility model is provided can be constituted only with single sheet material, therefore with simple manufacturing process and cost-effective.
In addition, when the clamping part of the screening cover that the utility model is provided has elasticity, easily can remove screening cover and be repaired,
To solve the problems, such as existing maintenance difficult.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
1. a kind of screening cover, is used to be installed on circuit board, it is characterised in that the side wall of the screening cover is extended with multiple clamping parts
With multiple supporting parts, the clamping part is used to be propped up through the slit of the circuit board and the contact jaw of the clamping part described
The bottom surface of circuit board, the supporting part is for sheet and to the parallel top surface for being attached at the circuit board.
2. screening cover according to claim 1, it is characterised in that the clamping part has elasticity through bending, and described
Clamping part is the contact jaw away from one end of the side wall.
3. screening cover according to claim 1, it is characterised in that the contact jaw contacts the institute of the circuit board to face
State bottom surface.
4. screening cover according to claim 1, it is characterised in that the supporting part is cut by a part for the clamping part
Cut and bend and form.
5. screening cover according to claim 4, it is characterised in that the clamping part is cleaved and form one and be open, it is described
Opening is that the bottom surface from the bending place of the supporting part towards the circuit board extends.
6. a kind of electronic installation, it is characterised in that including：
Circuit board；
Electronic building brick, is configured on the circuit board；And
Screening cover, is installed on the circuit board and covers the electronic building brick, and the side wall of the screening cover is extended with multiple buckles
Portion and multiple supporting parts, the clamping part pass through the slit of the circuit board and prop up the electricity with the contact jaw of the clamping part
The bottom surface of road plate, the supporting part is sheet and the parallel top surface for being attached at the circuit board.
7. electronic installation according to claim 6, it is characterised in that the clamping part has elasticity, and institute through bending
Clamping part is stated away from one end of the side wall for the contact jaw, the bottom surface of the contact jaw and the circuit board connects for face
Touch.
8. electronic installation according to claim 6, it is characterised in that the supporting part is by a part for the clamping part
Cut and bend and form.
9. electronic installation according to claim 8, it is characterised in that the clamping part is cleaved and form one and be open, institute
It is that the bottom surface from the bending place of the supporting part towards the circuit board extends to state opening.
10. electronic installation according to claim 6, it is characterised in that also including conducting resinl, be configured at the supporting part with
Between the ground plane of the top surface of the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226146.9U CN206196252U (en) | 2016-11-15 | 2016-11-15 | Screening cover and electron device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621226146.9U CN206196252U (en) | 2016-11-15 | 2016-11-15 | Screening cover and electron device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206196252U true CN206196252U (en) | 2017-05-24 |
Family
ID=58725792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621226146.9U Active CN206196252U (en) | 2016-11-15 | 2016-11-15 | Screening cover and electron device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206196252U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107771021A (en) * | 2017-09-26 | 2018-03-06 | 广东欧珀移动通信有限公司 | Mobile terminal, circuit board assemblies and its radome |
| CN112964018A (en) * | 2021-02-24 | 2021-06-15 | 长虹美菱股份有限公司 | Refrigerator lighting lamp lining box and fixing method thereof |
-
2016
- 2016-11-15 CN CN201621226146.9U patent/CN206196252U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107771021A (en) * | 2017-09-26 | 2018-03-06 | 广东欧珀移动通信有限公司 | Mobile terminal, circuit board assemblies and its radome |
| CN112964018A (en) * | 2021-02-24 | 2021-06-15 | 长虹美菱股份有限公司 | Refrigerator lighting lamp lining box and fixing method thereof |
| CN112964018B (en) * | 2021-02-24 | 2022-08-12 | 长虹美菱股份有限公司 | Refrigerator lighting lamp lining box and fixing method thereof |
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