CN208128759U - Structure is fixedly mounted in substrate and shielding case - Google Patents
Structure is fixedly mounted in substrate and shielding case Download PDFInfo
- Publication number
- CN208128759U CN208128759U CN201820381173.6U CN201820381173U CN208128759U CN 208128759 U CN208128759 U CN 208128759U CN 201820381173 U CN201820381173 U CN 201820381173U CN 208128759 U CN208128759 U CN 208128759U
- Authority
- CN
- China
- Prior art keywords
- trunk portion
- substrate
- shielding case
- fixation hole
- bending edge
- Prior art date
- 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.)
- Expired - Fee Related
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a kind of substrates and shielding case, and structure is fixedly mounted, including：Shielding case, shield gasket pad, substrate and the fixation card column that shielding case, shield gasket pad and substrates into intimate is fixed, wherein, shielding case is the frame structure with opening being made of top plate and bottom plate and bending edge, it is respectively corresponded in the four corners of bending edge, shield gasket pad and substrate and is provided with fixation hole, fixed card column is made of the first trunk portion, the second trunk portion and third trunk portion, stage portion is wherein formed between the second trunk portion and third trunk portion, the rear end of third trunk portion forms the protruding portion with substrate tight fit；After fixed card column passes through the fixation hole accordingly worked good, first trunk portion is closely pressed together on the upper surface of bending edge, the lateral surface and bending edge and shield gasket of second trunk portion pad squeezed tight, stage portion is pressed together on the upper surface of substrate, the lateral surface and substrates into intimate of third trunk portion squeeze, and the end of protruding portion and substrate mounting hole closely fastens.
Description
Technical field
The utility model relates to the structures for fixing circuit board and shielding case, belong to power electronics technology neck
Domain.
Background technique
For the circuit board with a large amount of electronic components such as capacitor, resistance and mainboard chip, electronic component mould is avoided
Electromagnetic interference between block, mutual between veneer etc. is particularly significant.General shielding mode is, in the device for needing to shield or
Soldering stainless steel or other sheet metals form shielding case structure, the screen on printed circuit board (hereinafter referred to as PCB) near chip
It covers cover structure and the stratum PCB copper sheet constitutes a complete conductive metal chamber together, the device for needing to shield is located at shielding case
Inside.
Utility model content
The purpose of this utility model is to provide a kind of structure composition is simple, easy to use and reliable mounting structure, to
Substrate and shielding case are combined together.
The purpose of this utility model is completed by following technical solution, and a kind of substrate and shielding case are fixedly mounted and tie
Structure, including：Shielding case, shield gasket pad, substrate and by the shielding case, the shield gasket pad and the substrates into intimate
Fixed fixation card column, it is characterised in that：The shielding case is the box with opening being made of top plate and bottom plate and bending edge
Structure, the square part of the bending edge are provided at least two first fixation holes, in the square part of the shield gasket pad
It is corresponding in the square part of the substrate corresponding to being provided at least two second fixation holes at the position of first fixation hole
In first fixation hole, second fixation hole position at be provided at least two third fixation holes, wherein the third
The section of fixation hole in "" type；The fixed card column is cylinder that is hollow and having variation outer diameter, including：It is the with outer diameter
First trunk portion of one diameter, with outer diameter be second diameter the second trunk portion and with the third cylinder of third diameter
Portion, wherein second diameter is less than first diameter and is greater than third diameter, thus the shape between the second trunk portion and third trunk portion
At stage portion, the rear end of third trunk portion forms the protruding portion with substrate tight fit；It is solid that the fixed card column passes through described first
Determine hole, second fixation hole and the third fixation hole, first trunk portion is closely pressed together on the upper table of the bending edge
Face, the lateral surface and the bending edge of second trunk portion and the shield gasket pad squeezed tight, the stage portion pressing
In the upper surface of the substrate, the lateral surface of the third trunk portion and the substrates into intimate are squeezed, the protruding portion with it is described
The end of third fixation hole closely fastens.
Further, the fixed card column is made of copper sheet；The shield gasket pad is by silicon rubber, polytetrafluoroethylene (PTFE) and receives
The mixture of meter level graphite powder is made.
The utility model has structure composition simple, easy to use and reliable, can make to shield by fixed card column well
The characteristics of cover is combined together with substrate.
Detailed description of the invention
Attached drawing 1 is the top view of the utility model substrate Yu shielding case fit structure.
Attached drawing 2 is the side view of the utility model substrate Yu shielding case fit structure.
Attached drawing 3 is the partial cross-sectional view of Fig. 2.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing：As shown in Figure 1, 2, described in the utility model one
Kind is used for the fixed installation structure of substrate and shielding case, including substrate 1 and the shielding case being assembled together with substrate 12, shielding case
Including top plate 21, side plate 22 and bending edge 23.23 square part of bending edge of substrate 1 and shielding case 2 is not provided with corresponding
Fixation hole has been put into fixed card column 4 in fixation hole.Further, shield gasket pad 5 is provided between substrate 1 and bending edge 23.
The shield gasket pad 5 is made by the mixture of silicon rubber, polytetrafluoroethylene (PTFE) and nanoscale graphite powder
As shown in figure 3, the fixation card column 4 uses the preferable metal material of ductility, such as copper sheet to be made, including：
The first trunk portion 41, lateral surface and the bending edge 23 and shield gasket for being closely pressed together on 23 upper surface of bending edge pad 5 squeezed tights
The third trunk portion 43 of second trunk portion 42 and lateral surface and 1 squeezed tight of substrate, wherein the diameter of the first trunk portion 41 is big
It is greater than third trunk portion 43 in the diameter of the second trunk portion 42, the second trunk portion 42, thus in the second trunk portion 42 and third column
Stage portion 44 is formed between body portion 43；Further, the protrusion of 11 tight fit of substrate is formed in the rear end of third trunk portion 43
Portion 45.
By the fixing card rod structure 4 of above-mentioned construction, shielding case 2 can be tightly fastened with substrate 1 and be installed together, tied
It closes and shield gasket pad is set between 1 upper surface of 23 lower surface of bending edge and substrate, can further promote the screen of shielding case
Cover effect.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (2)
1. structure is fixedly mounted in a kind of substrate and shielding case, including：Shielding case, shield gasket pad, substrate and by the shielding
The fixed fixation card column of cover, the shield gasket pad and the substrates into intimate, it is characterised in that：The shielding case is by pushing up
What plate, bottom plate and bending edge were constituted has the frame structure being open, and is respectively arranged at least in the four corners of the bending edge
Two the first fixation holes, corresponding to being respectively set at the position of first fixation hole in the four corners of the shield gasket pad
There are at least two second fixation holes, corresponds to first fixation hole, second fixation hole in the four corners of the substrate
Position at be respectively arranged at least two third fixation holes, wherein the section of the third fixation hole is inType；It is described solid
Determining card column is cylinder that is hollow and having variation outer diameter, including：Outer diameter is the first trunk portion of first diameter, outer diameter is second straight
The second trunk portion and outer diameter of diameter are the third trunk portion of third diameter, and wherein second diameter is less than first diameter and is greater than the
Thus three diameters form stage portion between the second trunk portion and third trunk portion, the rear end of third trunk portion is formed and substrate
The protruding portion of tight fit；The fixed card column passes through first fixation hole, second fixation hole and the third fixation hole,
First trunk portion is closely pressed together on the upper surface of the bending edge, the lateral surface and the bending edge of second trunk portion
Pad squeezed tight with the shield gasket, the stage portion is pressed together on the upper surface of the substrate, the third trunk portion it is outer
Side and the substrates into intimate squeeze, and the end of the protruding portion and the third fixation hole closely fastens.
2. structure is fixedly mounted in a kind of substrate according to claim 1 and shielding case, which is characterized in that the fixed card column
It is made of copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381173.6U CN208128759U (en) | 2018-03-21 | 2018-03-21 | Structure is fixedly mounted in substrate and shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820381173.6U CN208128759U (en) | 2018-03-21 | 2018-03-21 | Structure is fixedly mounted in substrate and shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128759U true CN208128759U (en) | 2018-11-20 |
Family
ID=64199533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820381173.6U Expired - Fee Related CN208128759U (en) | 2018-03-21 | 2018-03-21 | Structure is fixedly mounted in substrate and shielding case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050534A (en) * | 2019-12-19 | 2020-04-21 | Oppo广东移动通信有限公司 | Substrate assembly and network device |
-
2018
- 2018-03-21 CN CN201820381173.6U patent/CN208128759U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111050534A (en) * | 2019-12-19 | 2020-04-21 | Oppo广东移动通信有限公司 | Substrate assembly and network device |
| CN111050534B (en) * | 2019-12-19 | 2022-02-18 | Oppo广东移动通信有限公司 | Substrate assembly and network device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20200321 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |