CN211931186U - A PCB board that is used for shield cover of PCB board and adopts this shield cover - Google Patents
A PCB board that is used for shield cover of PCB board and adopts this shield cover Download PDFInfo
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- CN211931186U CN211931186U CN202021100685.4U CN202021100685U CN211931186U CN 211931186 U CN211931186 U CN 211931186U CN 202021100685 U CN202021100685 U CN 202021100685U CN 211931186 U CN211931186 U CN 211931186U
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- 238000005452 bending Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012545 processing Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical compound ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 1
- 101710149812 Pyruvate carboxylase 1 Proteins 0.000 description 1
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Abstract
The utility model relates to a PCB board that is used for the shield cover of PCB board and adopts this shield cover, be equipped with the slotted hole on the PCB board, a first shield plate and second shield plate that is used for the shield cover of PCB board to personally submit the U type including the cross-section, be equipped with on first shield plate or the second shield plate and participate in, participate in and be equipped with first connecting portion, be equipped with the second connecting portion that correspond with first connecting portion on second shield plate or the first shield plate, participate in and be used for passing the slotted hole and be connected with the second connecting portion, form the shielding chamber on the PCB board. The PCB board comprises the shielding case. This shield cover simple structure, processing is convenient, need not to set up the shield frame, can not increase the thickness of complete machine, is detachable connection between the two, and it is convenient to dismantle between the shield plate, can not influence other electronic components on the PCB, has reduced the processing cost, under the prerequisite of the shielding effect of guaranteeing the shield cover, has realized the shield cover installation, has dismantled convenient and fast, and it is very convenient to maintain, easily maintains.
Description
Technical Field
The utility model relates to a PCB board that is used for shield cover of PCB board and adopts this shield cover belongs to electronic product technical field.
Background
With the increase of various functional modules inside the terminal product, in order to prevent mutual interference, a shielding case is generally introduced as an effective means of electromagnetic shielding, and the shielding case is generally divided into three types, the first type is a one-piece shielding case directly attached to a PCB (printed circuit board), as shown in fig. 1; the second is that several clips are pasted on the PCB, the shield cover is clipped in the clips, the third is two parts, a shield frame is pasted on the PCB, and then a detachable shield cover is fixed on the shield frame. The second method generally uses a large number of clips for better grounding effect, which causes two problems, namely, high price and patch drift, which causes the shield cover not to be plugged into the ground, so the second method is basically eliminated. In the remaining two modes, the one-piece shielding case is mainly used for smaller, more stable and mature modules, and for the convenience of maintenance, for the modules of which the shielding cases are frequently required to be detached for maintenance and replacement, such as a baseband, a radio frequency and the like, the two-piece shielding case is used, the shielding case can be taken down when needed, and devices in the shielding frame are maintained, as shown in fig. 2, the frame and the cover exist at the same time, so that the thickness of the whole machine is increased, and the miniaturization design of various terminal products is not facilitated; the cost is increased; the existence of the rib position and the suction nozzle position for reserving the patch for ensuring the strength of the frame, as shown in fig. 3, causes the shielding frame to block some devices, and in many cases, the shielding frame needs to be blown down from the PCB by a hot air gun for maintenance, so the purpose of easy maintenance is not fundamentally achieved.
Generally speaking, the two existing shielding cover solutions are inconvenient to repair in one piece, and the two pieces occupy the thickness of the whole machine, which increases the cost of the whole machine, and still has the possibility of inconvenient repair.
Disclosure of Invention
The utility model discloses not enough to prior art exists, provide a simple structure, the shielding effect is good, does not increase the thickness of complete machine, and is with low costs, the PCB board that is used for the shield cover of PCB board and adopts this shield cover of the maintenance of being convenient for.
The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a shield cover for PCB board, be equipped with the slotted hole on the PCB board, first shield plate and the second shield plate of U type are personally submitted including the cross section, be equipped with on first shield plate or the second shield plate and participate in, participate in and be equipped with first connecting portion, be equipped with on second shield plate or the first shield plate with the second connecting portion that first connecting portion correspond, participate in and be used for passing slotted hole on the PCB board with second connecting portion connect form the shielding chamber on the PCB board.
The utility model has the advantages that: this shield cover simple structure, processing is convenient, need not to set up the shield frame, can not increase the thickness of complete machine, is detachable connection between the two, and it is convenient to dismantle between the shield plate, can not influence other electronic components on the PCB, has reduced the processing cost, under the prerequisite of the shielding effect of guaranteeing the shield cover, has realized the shield cover installation, has dismantled convenient and fast, and it is very convenient to maintain, easily maintains.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the outer edges of the first shielding plate and the second shielding plate are respectively provided with a first flanging and a second flanging, and the pin is arranged on the first flanging or the second flanging.
The beneficial effect who adopts above-mentioned further scheme is that, participate in the back of inserting the slotted hole, the shielding effect of shield cover has been guaranteed on the surperficial PCB of turn-ups outer terminal surface laminating.
Furthermore, wing plates and end plates are arranged on the first shielding plate or/and the second shielding plate.
The technical scheme has the advantages that the wing plates and the end plates are additionally arranged, namely the wing plates and the end plates are arranged in the shielding cavity, the wing plates, the end plates and the turned edges are matched to form the inner shielding cavity, and the wing plates and the end plates are attached to the surface of the PCB after the first shielding plate and the second shielding plate are connected, so that the shielding effect of the PCB shielding cover is further improved through the wing plates and the end plates on the two sides; on the other hand, the electronic components are shielded in an inner shielding cavity formed by the end plate and the wing plate, and the flanging pin is far away from the electronic components to be shielded, so that the electronic components are prevented from being influenced in the mounting or dismounting process, and the service life of the electronic components is prolonged; in addition, other surrounding electronic components can be shielded through the space between the flanging and the wing plate or the end plate.
Furthermore, the wing plate and the end plate are formed by bending the first shielding plate or the second shielding plate.
Adopt above-mentioned further scheme's beneficial effect be, pterygoid lamina and end plate are become by the shield plate bending type, and the cross-section is nearly style of calligraphy structure, and integral type structure, processing is convenient, increases pterygoid lamina and end plate support stability.
Furthermore, the first connecting part is a clamping groove or a protrusion, and the second connecting part is a protrusion or a clamping groove which is buckled with the clamping groove or the protrusion.
The technical scheme has the advantages that on one hand, the protrusion is matched with the clamping groove to form a stable connecting structure, so that the electromagnetic shielding effect of the shielding case is ensured; on the other hand processing is convenient, reduction in production cost, block installation and dismantlement convenient and fast improve the dismouting efficiency of shield cover, and it is very convenient to maintain. The first shielding plate and the second shielding plate are connected in a buckling mode, so that the installation and the disassembly are convenient and quick, the electronic components of the PCB are convenient to maintain, and the maintenance efficiency is improved.
The utility model discloses still relate to a PCB board, include as above a shield cover for PCB board, first shield plate sets up in the one side of PCB board, the second shield plate sets up on the another side of PCB board.
The utility model has the advantages that: this shield cover simple structure can not increase the thickness of complete machine, is detachable connection between the two, can not influence other electronic components on the PCB board, and is with low costs, under the prerequisite of the shielding effect of guaranteeing the shield cover, has realized the installation of shield cover on the PCB board, has dismantled convenient and fast, and it is very convenient to maintain, easily maintains.
Drawings
Fig. 1 is a schematic structural view of a conventional one-piece shield case;
FIG. 2 is a schematic diagram of a conventional two-piece shield;
FIG. 3 is a schematic diagram of a shield frame of a conventional two-piece shield can;
fig. 4 is a schematic structural diagram of the shielding case of the present invention;
fig. 5 is a schematic front view of the first shielding plate of the present invention;
fig. 6 is a right-side structural schematic view of the first shielding plate of the present invention;
fig. 7 is a schematic perspective view of a first shielding plate according to the present invention;
fig. 8 is a schematic perspective view of a second shielding plate according to the present invention;
fig. 9 is a schematic structural view of a second shielding plate of the present invention;
fig. 10 is a schematic front view of the PCB of the present invention;
FIG. 11 is a cross-sectional view taken along line A-A of FIG. 10;
fig. 12 is a schematic diagram of a right-view structure of the PCB of the present invention;
fig. 13 is a schematic structural view of the PCB of the present invention;
fig. 14 is a schematic perspective view of the first shielding plate mounted on the PCB;
fig. 15 is a rear view of the first shield plate mounted on the PCB;
fig. 16 is a schematic structural view of the pins of the first shield plate mounted on the PCB;
fig. 17 is a left side view of the first shield plate mounted on the PCB;
in the figure, 1, a PCB board; 11. a slot; 2. a first shield plate; 21. a pin; 22. a first flanging; 23. a wing plate; 24. an end plate; 25. a first connection section of the card slot; 3. a second shielding plate; 31. second flanging; 32. a second connecting portion; 4. a shield case; 5. a shield frame; 51. reinforcing ribs; 52. a suction nozzle position.
Detailed Description
The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 4-9, a shielding case for a PCB, the PCB 1 is provided with a slot 11, which includes a first shielding plate 2 and a second shielding plate 3, the cross section of which is U-shaped, the first shielding plate or the second shielding plate is provided with a pin 21, the pin is provided with a first connecting portion, the second shielding plate or the first shielding plate is provided with a second connecting portion corresponding to the first connecting portion, and the pin is used for passing through the slot on the PCB and connecting with the second connecting portion to form a shielding cavity on the PCB.
The outer edges of the first shielding plate and the second shielding plate are respectively provided with a first flanging 22 and a second flanging 31, and the pins are arranged on the first flanging or the second flanging. After the plug pins are inserted into the slotted holes, the outer end face of the flanging is attached to the surface of the PCB, so that the shielding effect of the shielding cover is ensured.
And wing plates 23 and end plates 24 are arranged on the first shielding plate or/and the second shielding plate. The shielding plate is additionally provided with the wing plate and the end plate, namely the wing plate and the end plate are arranged in the shielding cavity, the wing plate, the end plate and the turned edge are matched to form an inner shielding cavity, and after the first shielding plate and the second shielding plate are connected, the wing plate and the end plate are attached to the surface of the PCB, so that the shielding effect of the PCB shielding cover is further improved through the wing plate and the end plate; on the other hand, the electronic components are shielded in an inner shielding cavity formed by the end plate and the wing plate, and the flanging pin is far away from the electronic components to be shielded, so that the electronic components are prevented from being influenced in the mounting or dismounting process, and the service life of the electronic components is prolonged; in addition, other surrounding electronic components can be shielded through the space between the flanging and the wing plate or the end plate.
The wing plates and the end plates are formed by bending the first shielding plates or the second shielding plates. The wing plate and the end plate are formed by bending the shielding plate, the cross section of the wing plate and the end plate is of a structure shaped like a Chinese character 'ji', the wing plate and the end plate are of an integrated structure, the processing is convenient, and the supporting stability of the wing plate and the end plate is improved.
The first connecting portion 25 is a slot or a protrusion, and the second connecting portion 32 is a protrusion or a slot that is engaged with the slot or the protrusion. On one hand, the protrusion is matched with the clamping groove to form a stable connecting structure, so that the electromagnetic shielding effect of the shielding case is ensured; on the other hand processing is convenient, reduction in production cost, block installation and dismantlement convenient and fast improve the dismouting efficiency of shield cover, and it is very convenient to maintain. The first shielding plate and the second shielding plate are connected in a buckling mode, so that the installation and the disassembly are convenient and quick, the electronic components of the PCB are convenient to maintain, and the maintenance efficiency is improved.
As shown in fig. 10-17, the present invention further relates to a PCB, comprising the shielding case for PCB as described above, wherein the first shielding plate is disposed on one side of the PCB, and the second shielding plate is disposed on the other side of the PCB. This shield cover simple structure can not increase the thickness of complete machine, is detachable connection between the two, can not influence other electronic components on the PCB board, and is with low costs, under the prerequisite of the shielding effect of guaranteeing the shield cover, has realized the installation of shield cover on the PCB board, has dismantled convenient and fast, and it is very convenient to maintain, easily maintains.
The pin is arranged on the first flanging of the first shielding plate, the clamping groove is arranged on the outer surface of the pin, and the protrusion is arranged on the inner surface of the second flanging; the first and second shielding plates are installed, when the shielding cover reaches a designated position, the pins reach preset positions, the distance from the top surfaces of the wing plates and the end plates in the shape of the Chinese character 'ji' to the lower edge of the clamping groove is matched with the thickness of the PCB, the clamping groove just exposes the PCB, the width of the groove hole is slightly larger than the thickness of the pins and the clamping groove, when the shielding cover is inserted into the PCB, the clamping groove can interfere with the PCB due to the existence of the clamping groove, the side wall of the shielding cover expands outwards due to interference, after the pin with the salient points does not interfere with the groove hole to a certain degree, the other side of the PCB smoothly reaches the other side of the PCB, then under the action of elastic force, the shielding cover recovers the original shape, and the clamping groove is clamped at the edge of the groove hole; the inboard that is located the lateral wall that its turn-ups formed on the shield cover of PCB board another side is equipped with draw-in groove matched with arch, when detaining the arch on the draw-in groove, pterygoid lamina and end plate can carry out the electromagnetic shield to the device that is in its inboard, the turn-ups that is located the pterygoid lamina and the end plate outside also can play shielding effect, so shielding effect is good, the shield cover of both sides all reaches firm fixed and electromagnetic shield's effect this moment, the shield frame of current design need not redesign to this shield cover, the thickness of complete machine has been reduced, the cost is reduced, when needing the maintenance, the shield cover of another side can directly be pulled down, pull down the back, just can take off the shield cover that has participated in from the PCB board.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The utility model provides a shield cover for PCB board, be equipped with the slotted hole on the PCB board, its characterized in that, first shield plate and the second shield plate of U type are personally submitted including the cross section, be equipped with on first shield plate or the second shield plate and participate in, participate in and be equipped with first connecting portion, be equipped with on second shield plate or the first shield plate with the second connecting portion that first connecting portion correspond, participate in and be used for passing slotted hole on the PCB board with the second connecting portion connect form the shielding chamber on the PCB board.
2. The shielding case for the PCB of claim 1, wherein the first shielding plate and the second shielding plate are respectively provided with a first flange and a second flange at the outer edge thereof, and the pin is mounted on the first flange or the second flange.
3. The shielding case for the PCB of claim 1 or 2, wherein the first shielding plate or/and the second shielding plate is provided with a wing plate and an end plate.
4. The shield case for a PCB of claim 3, wherein the wing plate and the end plate are formed by bending the first shield plate or the second shield plate.
5. The shield case for a PCB of claim 1, wherein the first connecting portion is a slot or a protrusion, and the second connecting portion is a protrusion or a slot that is engaged with the slot or the protrusion.
6. A PCB board comprising the shield cover for a PCB board of any one of claims 1 to 5, wherein the first shield plate is disposed on one side of the PCB board and the second shield plate is disposed on the other side of the PCB board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100685.4U CN211931186U (en) | 2020-06-15 | 2020-06-15 | A PCB board that is used for shield cover of PCB board and adopts this shield cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021100685.4U CN211931186U (en) | 2020-06-15 | 2020-06-15 | A PCB board that is used for shield cover of PCB board and adopts this shield cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211931186U true CN211931186U (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021100685.4U Active CN211931186U (en) | 2020-06-15 | 2020-06-15 | A PCB board that is used for shield cover of PCB board and adopts this shield cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211931186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911918A (en) * | 2021-01-27 | 2021-06-04 | 深圳市宏联电路有限公司 | Printed circuit board for inhibiting electromagnetic interference |
-
2020
- 2020-06-15 CN CN202021100685.4U patent/CN211931186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112911918A (en) * | 2021-01-27 | 2021-06-04 | 深圳市宏联电路有限公司 | Printed circuit board for inhibiting electromagnetic interference |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: INFIRAY TECHNOLOGIES CO.,LTD. Assignor: Yantai Airui Photo-Electric Technology Co.,Ltd. Contract record no.: X2024980006380 Denomination of utility model: A shielding cover for PCB boards and PCB boards using the shielding cover Granted publication date: 20201113 License type: Common License Record date: 20240530 |