CN213126976U - PCB shield cover - Google Patents
PCB shield cover Download PDFInfo
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- CN213126976U CN213126976U CN202021823057.9U CN202021823057U CN213126976U CN 213126976 U CN213126976 U CN 213126976U CN 202021823057 U CN202021823057 U CN 202021823057U CN 213126976 U CN213126976 U CN 213126976U
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- shielding
- cover
- shielding cover
- shield
- shielding case
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Abstract
The utility model relates to the technical field of shielding cases, in particular to a PCB shielding case, which comprises a first shielding case and a second shielding case; a mistake proofing structure is arranged between the first shielding cover and the second shielding cover; a plurality of heat dissipation through holes are formed in the top of the first shielding cover; the mistake proofing structure comprises a mistake proofing groove I arranged at a vertex angle position of the first shielding cover; the second shielding cover is arranged on the first shielding cover; the first shielding cover is provided with a fixed block; the second shielding cover is provided with corresponding fixing holes. The utility model discloses following beneficial effect has: the shielding cover has the characteristics of good heat dissipation effect and small occupied space.
Description
Technical Field
The utility model relates to a shield cover technical field, in particular to PCB shield cover.
Background
With the continuous improvement of the living standard, people have increasingly increased daily requirements, especially in the aspect of automation control, so that electronic devices become more important, but because the electronic devices are easily interfered by the outside world and damaged by static electricity, a protective shielding cover needs to be added to the electronic devices, but the existing shielding covers on the market generally adopt integral stretching, curling and stamping, do not have a containing function, are not easy to store, occupy a large space, have poor heat dissipation effects, are likely to be damaged when the devices are in contact with the upper part of a housing of the shielding cover when being vibrated, are not easy to dissipate heat generated during the working of the devices, are easy to damage the devices, and greatly reduce the use reliability of the devices, so the existing shielding covers are not suitable for being popularized and used continuously.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a PCB shield cover. The shielding case has good heat dissipation effect and small occupied space.
The invention aims to be realized by the following technical scheme:
a PCB shielding case comprises a first shielding case and a second shielding case;
a mistake proofing structure is arranged between the first shielding cover and the second shielding cover;
a plurality of heat dissipation through holes are formed in the top of the first shielding cover;
the mistake proofing structure comprises a mistake proofing groove I arranged at a vertex angle position of the first shielding cover; the second shielding cover is arranged on the first shielding cover;
the first shielding cover is provided with a fixed block; the second shielding cover is provided with corresponding fixing holes.
After the technical scheme is adopted, the first mistake proofing groove and the second mistake proofing groove between the first shielding cover and the second shielding cover are mutually matched and clamped, so that a better fit relation is formed between the first shielding cover and the second shielding cover, and the first shielding cover and the second shielding cover are accurately and stably installed. When an installation relation is formed between the first shielding cover and the second shielding cover, the fixing block on the first shielding cover is clamped into the fixing hole of the second shielding cover, and the first shielding cover and the second shielding cover are further fixedly installed, so that the first shielding cover and the second shielding cover are more stably installed. Meanwhile, when the first shielding cover is matched and clamped with the second shielding cover, the first shielding cover covers the second shielding cover, so that the combined volume of the first shielding cover and the second shielding cover is small. A plurality of heat dissipation through-holes on the first shield can be used for fully dispelling the heat, prevent overheated circuit burnout that causes.
Therefore, the shielding case has good heat dissipation effect and small occupied space.
The utility model discloses further set up to: the heat dissipation through holes on the first shielding cover are arranged in a 4 multiplied by 5 structure.
After adopting above-mentioned technical scheme, be the setting of the heat dissipation through-hole that 4X 5 structure was arranged, make the heat dissipation comparatively abundant on the one hand, on the other hand can reduce too much heat dissipation through-hole, prevents to receive the influence because the through-hole leads to the fact structural strength too much.
The utility model discloses further set up to: the position department of other three apex angles of first shield cover is provided with the joint structure, the joint structure is including setting up joint groove one on first shield cover and setting up joint groove two on the second shield cover, joint groove one and joint groove two mutually support joint.
After the technical scheme is adopted, the first shielding cover and the second shielding cover at the three vertex angles can be installed in a matched clamping mode through the mutually matched clamping of the first clamping groove and the second clamping groove, and the integral connecting structure is stable.
The utility model discloses further set up to: and a supporting panel is arranged in the middle of the second shielding case, four fixing rods which are arranged in a cross shape are fixedly connected to the periphery of the supporting panel, and the four fixing rods are fixedly connected with the second shielding case.
After adopting above-mentioned technical scheme, the relation of connection of support panel and four fixed rods has improved the bulk strength of second shield cover, and simultaneously, support panel is used for supporting first shield cover for too big amplitude can not take place for first shield cover when vibrations, reduces vibrations damage.
The utility model discloses further set up to: the four fixing rods and the supporting panel form four communicating channels.
After the technical scheme is adopted, the first shielding cover and the second shielding cover are communicated up and down through the communication channel, and the heat dissipation effect is improved.
The utility model discloses further set up to: the bottom of the second shielding cover is provided with a plurality of first square fixing grooves.
After the technical scheme is adopted, the first square fixing groove is used for installing the second shielding cover and other parts, so that installation can be carried out in a clamping mode, and the installation is convenient and stable.
The utility model discloses further set up to: the bottom of the second shielding cover is provided with a plurality of square fixing grooves II, and the length of each square fixing groove II is larger than that of each square fixing groove I.
After adopting above-mentioned technical scheme, through the setting of square fixed slot two, on the basis of square fixed slot one, further set up the square fixed slot two that length is different, further improvement installation stability.
To sum up, the utility model discloses following beneficial purpose has:
1. the first shielding cover split body and the second shielding cover split body can be arranged in a foldable mode, so that the whole storage space can be reduced, and the storage is convenient;
2. the heat dissipation through-hole can improve the heat dissipation function of the shield cover.
3. Generally speaking, the utility model discloses simple structure, reasonable in design has the good advantage of radiating effect, has reduced storage space, convenient storage, and convenient to use has higher spreading value.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is an exploded view of the embodiment;
FIG. 3 is a schematic view of the structure of FIG. 2 in another orientation;
FIG. 4 is a schematic view of the structure of the embodiment in another direction;
reference numerals: 1. a first shield case; 2. a second shield case; 3. a heat dissipating through hole; 4. a fixed block; 5. a fixing hole; 6. a first anti-dislocation groove; 7. a second anti-dislocation groove; 8. a first clamping groove; 9. a second clamping groove; 10. a support panel; 11. fixing the rod; 12. a communication channel; 13. a first square fixing groove; 14. and a second square fixing groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
As shown in fig. 1 to 4, a PCB shield can includes a first shield can 1 and a second shield can 2.
The top of the first shielding case 1 is provided with heat dissipation through holes 3 arranged in a 4 × 5 structure, that is, a total of 20 heat dissipation through holes 3 are uniformly arranged on the first shielding case 1 in 4 rows and 5 columns. The heat dissipation through hole 3 is used for PCB heat dissipation, and improves the heat dissipation effect.
A plurality of fixing blocks 4 are arranged on the side faces of the periphery of the first shielding cover 1, and a plurality of fixing holes 5 are arranged on the corresponding second shielding cover 2 and are matched and clamped with the first shielding cover, so that the installation stability is improved.
A first anti-misadjustment groove 6 is formed in one vertex angle of the first shielding case 1, and correspondingly, a second anti-misadjustment groove 7 is formed in the second shielding case 2. Mistake proofing groove one 6 and mistake proofing groove two 7 are mutually supported the joint, and meanwhile, the fixed block 4 and the mutual joint of fixed orifices 5 of this position department have improved the installation accuracy of first shield cover 1 with second shield cover 2 on the one hand, and on the other hand fixed orifices 5 makes installation stability better with the joint effect of fixed block 4.
The positions of other three vertex angles of the first shielding case 1 are provided with a first clamping groove 8, and correspondingly, the second shielding case 2 is provided with a second clamping groove 9. Joint groove one 8 mutually supports the joint with joint groove two 9, improves its holistic installation stability, and meanwhile, a plurality of fixed blocks 4 on the first shield cover 1 and a plurality of fixed orificess 5 on the second shield cover 2 mutually completely cooperate the joint, have improved holistic installation intensity.
Wherein a support panel 10 is arranged in the middle of the second shield 2. Four fixing rods 11 arranged in a cross shape are arranged around the supporting panel 10. Four fixing bars 11 are fixedly connected with the second shield case 2. The setting of dead lever 11 has improved the stability of second shield cover 2, prevents that second shield cover 2 from warping under the effect of external force, and simultaneously, the supporting panel 10 on the second shield cover 2 can make first shield cover 1 receive the supporting role of supporting panel 10 for reduce its vibrations damage under vibrations. Four fixing bars 11 form four communication passages 12 with the support panel 10 and the second shield case 2. The communication channel 12 enables the first shield can 1 to communicate with the second shield can 2, ensuring heat dissipation of PCB components in the second shield can 2.
The bottom of the second shielding case 2 is provided with a plurality of square fixing grooves 13. In addition, the second shielding case 2 is provided with a plurality of second square fixing slots 14 at the bottom thereof. The length of the second square fixing groove 14 is larger than that of the first square fixing groove 13.
Through the arrangement of the first square fixing groove 13 and the second square fixing groove 14 with different lengths, the mounting strength of the second shielding case 2 is higher when the second shielding case is connected with other parts, and the mounting stability is improved.
Claims (7)
1. A PCB shield cover is characterized in that: comprises a first shielding case (1) and a second shielding case (2);
a mistake-proofing structure is arranged between the first shielding cover (1) and the second shielding cover (2);
the top of the first shielding cover (1) is provided with a plurality of heat dissipation through holes (3);
the mistake-proofing structure comprises a mistake-proofing groove I (6) arranged at one vertex angle of the first shielding case (1); the second shielding cover (2) is provided with a second mistake-proofing groove (7) corresponding to the first shielding cover (1);
the first shielding case (1) is provided with a fixed block (4); the second shielding cover (2) is provided with corresponding fixing holes (5).
2. The PCB shield can of claim 1, wherein: the heat dissipation through holes (3) on the first shielding case (1) are arranged in a 4 multiplied by 5 structure.
3. The PCB shield can of claim 1, wherein: the utility model discloses a shield structure, including first shield cover (1), joint groove two (9) on second shield cover (2), the joint structure is provided with the joint structure including setting up joint groove one (8) on first shield cover (1) and setting up in the position department of other three apex angles, joint groove one (8) and joint groove two (9) mutually support the joint.
4. The PCB shield can of claim 1, wherein: the middle part of the second shielding case (2) is provided with a supporting panel (10), four fixing rods (11) which are arranged in a cross shape are fixedly connected to the periphery of the supporting panel (10), and the four fixing rods (11) are fixedly connected with the second shielding case (2).
5. The PCB shield can of claim 4, wherein: the four fixing rods (11) and the supporting panel (10) form four communicating channels (12).
6. The PCB shield can of claim 1, wherein: the bottom of the second shielding case (2) is provided with a plurality of first square fixing grooves (13).
7. The PCB shield can of claim 6, wherein: the bottom of the second shielding case (2) is provided with a plurality of second square fixing grooves (14), and the length of the second square fixing grooves (14) is larger than that of the first square fixing grooves (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823057.9U CN213126976U (en) | 2020-08-27 | 2020-08-27 | PCB shield cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823057.9U CN213126976U (en) | 2020-08-27 | 2020-08-27 | PCB shield cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126976U true CN213126976U (en) | 2021-05-04 |
Family
ID=75656683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021823057.9U Active CN213126976U (en) | 2020-08-27 | 2020-08-27 | PCB shield cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213126976U (en) |
-
2020
- 2020-08-27 CN CN202021823057.9U patent/CN213126976U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |