CN220235326U - Anti-interference shielding cover - Google Patents
Anti-interference shielding cover Download PDFInfo
- Publication number
- CN220235326U CN220235326U CN202321520471.6U CN202321520471U CN220235326U CN 220235326 U CN220235326 U CN 220235326U CN 202321520471 U CN202321520471 U CN 202321520471U CN 220235326 U CN220235326 U CN 220235326U
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- shielding cover
- shielding frame
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- 238000005452 bending Methods 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 230000002860 competitive effect Effects 0.000 abstract description 3
- 229910000679 solder Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses an anti-interference shielding case, which comprises a shielding frame and a shielding cover, wherein the shielding frame is arranged on the shielding cover; the shielding cover is arranged on the shielding frame and covers the opening of the accommodating cavity, the positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner, the shielding cover of the structure has no gaps at the connecting positions of the adjacent edges, signal interference is not caused, signal attenuation is not caused, the anti-interference performance of a product is greatly enhanced, the reject ratio of the product is reduced, and the quality of the product is improved; and the operation is simple, the production process steps are few, the production is convenient, the production cost can be reduced, the product is more competitive, and the existing requirements are met.
Description
Technical Field
The utility model relates to the technical field of shielding cases, in particular to an anti-interference shielding case.
Background
A shield (english name: shield cover/case/black) is a tool for shielding an electronic signal, and functions to shield an influence of external electromagnetic waves on an internal circuit and external radiation of electromagnetic waves generated inside. The shielding case is mainly applied to the fields of mobile phones, set top boxes, televisions, GPS (global positioning system) and the like, and can prevent electromagnetic interference (EMI) and play a role in shielding elements and LCM on a PCB (printed circuit board). Magnetic shielding is divided into three cases: magnetostatic shielding, low frequency electromagnetic shielding, and high frequency electromagnetic shielding; different shielding materials are selected according to different conditions.
The prior shielding cover is generally in a structure comprising a shielding frame and a shielding cover, and the joint of the adjacent edges of the shielding frame is provided with a gap, so that signal interference can be caused, signal attenuation is caused, the anti-interference performance of a product is poor, the reject ratio is higher, and the quality of the product is poor; if solder paste is added at the gap, then the solder paste is put into a reflow oven for heating, so that the molten solder paste enters the gap, and the anti-interference performance of the product can be slightly improved. Therefore, there is a need for improvements to the current shields.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the defects of the prior art, and its main objective is to provide an anti-interference shielding case, which can effectively solve the problems of signal interference, signal attenuation, poor anti-interference performance of products, high reject ratio and poor product quality caused by gaps at the joints of adjacent edges of the existing shielding case; the production process of adding solder paste at the gap has the problems of multiple steps, inconvenience in production, high production cost and lack of competitiveness of the product.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
an anti-interference shielding cover comprises a shielding frame and a shielding cover; the shielding frame is formed by integrally stamping and bending a hardware, one end of the hardware is provided with a through hole, the other end of the hardware is provided with a bending part which is bent inwards, the outer side surface of the bending part is provided with a convex hull, the convex hull is matched with the through hole and forms a riveting point after being riveted, two ends of the hardware are connected and enclosed to form a containing cavity, and the outer side surface of the shielding frame is convexly provided with a plurality of positioning convex blocks; the shielding cover is arranged on the shielding frame and covers the opening of the accommodating cavity, a plurality of positioning holes are formed in the side wall of the shielding cover, and the positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner.
As a preferable scheme, a plurality of fixing parts used for being matched and fixed with external parts extend downwards from the bottom of the shielding frame, so that the stability of the connecting structure is effectively enhanced, and the installation is convenient.
As a preferable scheme, the shielding frame is square, and the accommodating cavity and the shielding cover are square correspondingly.
As a preferable scheme, the plurality of positioning convex blocks are uniformly distributed on the peripheral outer side surfaces of the shielding frame at intervals, the plurality of positioning holes are uniformly distributed on the peripheral side walls of the shielding cover at intervals, and the plurality of positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner.
As a preferable scheme, the positioning hole is circular, and the corresponding positioning lug is also circular.
As a preferable scheme, the number of the through holes is two, the number of the corresponding convex hulls is also two, and the two convex hulls are matched with the corresponding through holes and form riveting points after riveting.
As a preferable scheme, the through hole is circular, and correspondingly, the convex hull is also circular.
As a preferred solution, the shielding cover is stamped and formed from a hardware material.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
the shielding cover is arranged on the shielding frame and covers the opening of the accommodating cavity, the positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner, the shielding cover of the structure has no gaps at the connecting positions of the adjacent edges, signal interference is not caused, signal attenuation is not caused, the anti-interference performance of a product is greatly enhanced, the reject ratio of the product is reduced, and the quality of the product is improved; and the operation is simple, the production process steps are few, the production is convenient, the production cost can be reduced, the product is more competitive, and the existing requirements are met.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of another perspective view of the preferred embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 4 is an exploded view of a preferred embodiment of the present utility model;
FIG. 5 is an exploded view of another angle of the preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
Detailed Description
Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present utility model is shown, which includes a shielding frame 10 and a shielding cover 20.
The shielding frame 10 is formed by integrally stamping and bending a hardware 11, one end of the hardware 11 is provided with a through hole 12, the other end of the hardware 11 is provided with a bending part 13 which is bent inwards, the outer side surface of the bending part 13 is provided with a convex hull 14, the convex hull 14 is matched with the through hole 12 and forms a riveting point 101 after being riveted, two ends of the hardware 11 are connected and enclosed to form an accommodating cavity 102, and the outer side surface of the shielding frame 10 is convexly provided with a plurality of positioning convex blocks 103; in the present embodiment, a plurality of fixing portions 15 for being matched and fixed with external parts extend downwards from the bottom of the shielding frame 10; the shielding frame 10 is square, and the accommodating cavity 102 is square correspondingly; the positioning protruding blocks 103 are uniformly distributed on the outer side surface of the periphery of the shielding frame 10 at intervals; the positioning protruding block 103 is circular; the number of the through holes 12 is two, the number of the corresponding convex hulls 14 is two, and the two convex hulls 14 are matched with the corresponding through holes 12 and are riveted to form the riveting points 101; the through hole 12 is circular, and the convex hull 14 is also circular.
The shielding cover 20 is arranged on the shielding frame 10 and covers the opening of the accommodating cavity 102, a plurality of positioning holes 21 are formed in the side wall of the shielding cover 20, and the plurality of positioning protruding blocks 103 are respectively connected and fixed with the corresponding positioning holes 21 in a buckling manner; in the present embodiment, the shielding cover 20 is square; the positioning holes 21 are uniformly distributed on the peripheral side wall of the shielding cover 20 at intervals, and the positioning protruding blocks 103 are respectively connected and fixed with the corresponding positioning holes 21 in a buckling manner; the positioning hole 21 is circular; the shield cover 20 is stamped and formed of a hardware material.
The manufacturing process of this embodiment is described in detail as follows:
firstly, putting a hardware 11 into a die, integrally stamping, bending and forming, and then buckling and connecting a convex hull 14 on the hardware 11 with a through hole 12 to form a riveting point 101 after riveting, so as to form a shielding frame 10; next, the shield cover 20 is press-molded in another mold; then, the shielding cover 20 covers the opening of the accommodating cavity 102 and is mounted on the shielding frame 10, and the plurality of positioning protruding blocks 103 are respectively connected and fixed with the corresponding positioning holes 21 in a snap-fit manner.
When in use, the shielding cover formed by assembling the shielding frame 10 and the shielding cover 20 is mounted on an external part, the fixing part 15 is matched and connected with the external part, the stability of the connecting structure is enhanced, and the installation is convenient.
The design focus of the utility model is that: the shielding cover is arranged on the shielding frame and covers the opening of the accommodating cavity, the positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner, the shielding cover of the structure has no gaps at the connecting positions of the adjacent edges, signal interference is not caused, signal attenuation is not caused, the anti-interference performance of a product is greatly enhanced, the reject ratio of the product is reduced, and the quality of the product is improved; and the operation is simple, the production process steps are few, the production is convenient, the production cost can be reduced, the product is more competitive, and the existing requirements are met.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (8)
1. An anti-interference shielding cover comprises a shielding frame and a shielding cover; the method is characterized in that: the shielding frame is formed by integrally stamping and bending a hardware, one end of the hardware is provided with a through hole, the other end of the hardware is provided with a bending part which is bent inwards, the outer side surface of the bending part is provided with a convex hull, the convex hull is matched with the through hole and forms a riveting point after being riveted, two ends of the hardware are connected and enclosed to form a containing cavity, and the outer side surface of the shielding frame is convexly provided with a plurality of positioning convex blocks; the shielding cover is arranged on the shielding frame and covers the opening of the accommodating cavity, a plurality of positioning holes are formed in the side wall of the shielding cover, and the positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner.
2. The tamper resistant shield of claim 1 wherein: the bottom of the shielding frame downwards extends to form a plurality of fixing parts which are used for being matched and fixed with external parts.
3. The tamper resistant shield of claim 1 wherein: the shielding frame is square, and the accommodating cavity and the shielding cover are square correspondingly.
4. A tamper resistant shield according to claim 3 wherein: the plurality of positioning convex blocks are uniformly distributed on the peripheral outer side surfaces of the shielding frame at intervals, the plurality of positioning holes are uniformly distributed on the peripheral side walls of the shielding cover at intervals, and the plurality of positioning convex blocks are respectively connected and fixed with the corresponding positioning holes in a buckling manner.
5. The tamper resistant shield of claim 1 wherein: the positioning holes are round, and the corresponding positioning convex blocks are also round.
6. The tamper resistant shield of claim 1 wherein: the number of the through holes is two, the number of the corresponding convex hulls is two, and the two convex hulls are matched with the corresponding through holes and form riveting points after riveting.
7. The tamper resistant shield of claim 1 wherein: the through holes are round, and the convex hulls are round correspondingly.
8. The tamper resistant shield of claim 1 wherein: the shielding cover is formed by stamping a hardware material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520471.6U CN220235326U (en) | 2023-06-14 | 2023-06-14 | Anti-interference shielding cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321520471.6U CN220235326U (en) | 2023-06-14 | 2023-06-14 | Anti-interference shielding cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220235326U true CN220235326U (en) | 2023-12-22 |
Family
ID=89187071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321520471.6U Active CN220235326U (en) | 2023-06-14 | 2023-06-14 | Anti-interference shielding cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220235326U (en) |
-
2023
- 2023-06-14 CN CN202321520471.6U patent/CN220235326U/en active Active
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| GR01 | Patent grant | ||
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