CN201294712Y - Metallic shield cover and electronic equipment containing the same - Google Patents
Metallic shield cover and electronic equipment containing the same Download PDFInfo
- Publication number
- CN201294712Y CN201294712Y CNU2008201791363U CN200820179136U CN201294712Y CN 201294712 Y CN201294712 Y CN 201294712Y CN U2008201791363 U CNU2008201791363 U CN U2008201791363U CN 200820179136 U CN200820179136 U CN 200820179136U CN 201294712 Y CN201294712 Y CN 201294712Y
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- Prior art keywords
- side plate
- adjacent
- metallic shield
- resilience
- edge
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a metal shielding cover and an electrical apparatus which is provided with the metal shielding cover, relates to a shielding device which solves the technical problems of non-ideal shielding effect of existing metal shielding covers. The metal shielding cover comprises a shielding cover bottom board and at least three side boards which are formed through bending the periphery of the shielding cover bottom board towards the same side, the edge of the side board is provided with an anti-kickback block button, the anti-kickback block button extends towards the side board which is adjacent to the side board where the anti-kickback block button is, and the anti-kickback block button is mutually interlaced and is arranged on the edge of the adjacent side board. The electrical apparatus which is provided with the metal shielding cover comprises an electrical component and the metal shielding cover disclosed by the utility model covered on the electrical component. The shielding device is applied to reduce the electromagnetic interference in electrical equipment.
Description
Technical field
The utility model relates to a kind of screening arrangement, the electronic equipment that is specifically related to a kind of metallic shield and is provided with this metallic shield.
Background technology
In order to solve between the electronic equipment internal circuit and the electromagnetic interference problem between the electronic device, often need around the electromagnetic radiation source in electronic equipment shield be installed, in order to reduce the interference of radiation source to peripheral circuits.
The shield of available technology adopting mostly is the metallic shield that is stamped to form, be illustrated in figure 1 as a kind of boxlike metallic shield relatively more commonly used, generally, this boxlike metallic shield comprises that the radome base plate 1 and radome base plate 1 periphery that offer through hole 5 bend four side plates 2 that form towards the same side punching press.
Because behind the metallic plate punching, the elastic-plastic material characteristic causes the uneven Displacements Distribution of sheet metal thickness direction, thereby the stress difference that causes the crooked position outside (stretching) and inboard (contraction), this stress difference can be ordered about parts after the bending towards the distortion of the original-shape of sheet metal, thereby produced rebound phenomenon, so four side plates 2 that radome base plate 1 punching press bending forms also resilience can occur in various degree, this resilience tends to make the size of metallic stamping pieces not accurate enough, can cause the local slit that adjacent side plates 2 is joined on the metallic shield as shown in Figure 1 to be strengthened, and then have a strong impact on the screening effectiveness of metallic shield.
Prior art (is commonly called as: lug) for the resilience that reduces side plate is provided with anti-resilience buckle illustrated in figures 1 and 2 on the side plate after the bending 2, anti-resilience buckle extends towards the side plate 2 adjacent with the side plate 2 at its place, is used for the wherein biside plate 2 in four side plates 2 is tightly blocked to avoid its resilience.
Though prior art can be avoided the resilience of indivedual side plates to a certain extent, has following problem at least:
On the one hand, prior art can only be avoided two side plate generation resiliences in four side plates, and the local slit that adjacent side plates is joined is still bigger, finally causes the shield effectiveness of metallic shield still not ideal enough;
On the other hand, be provided with on side plate in the prior art when preventing the resilience buckle, will prevent that sometimes the resilience buckle is welded on the side plate, this setup has increased welding procedure, the production difficulty is strengthened, and the bonding strength of anti-resilience buckle that is welded and side plate and toughness are not good yet.
The utility model content
The electronic equipment that the utility model provides a kind of metallic shield and has been provided with this metallic shield has solved the dissatisfactory technical problem of shield effectiveness of existing metallic shield.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
This metallic shield, comprise at least three side plates that radome base plate and described radome base plate periphery form towards the same side bending, the edge of described side plate is provided with anti-resilience buckle, described anti-resilience buckle extends towards the side plate adjacent with the side plate at its place, and described anti-resilience buckle intermeshes and is located at the edge of adjacent described side plate.
This is provided with the electronic equipment of metallic shield, comprise electronic device and cover at metallic shield on the described electronic device, described metallic shield comprises at least three side plates that radome base plate and described radome base plate periphery form towards the same side bending, the edge of described side plate is provided with anti-resilience buckle, described anti-resilience buckle extends towards the side plate adjacent with the side plate at its place, and described anti-resilience buckle intermeshes and is located at the edge of adjacent described side plate.
Compared with prior art, anti-resilience buckle is arranged owing to the edge of side plate adjacent in the utility model is interwoven, and towards the side plate extension adjacent with the side plate at its place, stopping of anti-resilience buckle on the side plate that all can be adjacent during each side plate resilience, interwoven anti-resilience buckle has been avoided side plate generation resilience adjacent one another are simultaneously, thereby make the size of metallic stamping pieces more accurate, the local slit that adjacent side plate is joined is also less, and then improved the screening effectiveness of metallic shield, so solved the dissatisfactory technical problem of the shield effectiveness of metallic shield in the prior art.
Description of drawings
Fig. 1 is the stereogram of metallic shield in the prior art;
Fig. 2 is the front view of a side plate of metallic shield in the prior art shown in Figure 1;
The stereogram of a kind of execution mode of the metallic shield that Fig. 3 is provided for the utility model embodiment;
Fig. 4 is the front view of a side plate of metallic shield shown in Figure 3;
The stereogram of the preferred implementation of the metallic shield that Fig. 5 is provided for the utility model embodiment;
Fig. 6 is the front view of a side plate of metallic shield shown in Figure 5;
Fig. 7 is the enlarged diagram when anti-resilience buckle is embedded in the recess among Fig. 6;
The schematic diagram of the another kind of execution mode of anti-resilience buckle that Fig. 8 is provided for the utility model embodiment and the recess adaptive with it;
The schematic diagram of another execution mode of anti-resilience buckle that Fig. 9 is provided for the utility model embodiment and the recess adaptive with it;
The stereogram of another execution mode of the metallic shield that Figure 10 is provided for the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is described in detail.
The electronic equipment that the utility model provides the reasonable metallic shield of a kind of shield effectiveness to electromagnetic interference and has been provided with this metallic shield.
As shown in Figure 3 and Figure 4, the metallic shield that the utility model embodiment is provided, comprise at least three side plates 2 that radome base plate 1 and radome base plate 1 periphery form towards the same side bending, the edge of side plate 2 is provided with anti-resilience buckle 3, anti-resilience buckle 3 extends towards the side plate 2 adjacent with the side plate 2 at its place, and anti-resilience buckle 3 intermeshes and is located at the edge of adjacent described side plate 2.
As shown in Figure 5 and Figure 6, the width dimensions of anti-resilience buckle 3 ends is greater than the width dimensions of the inner.Anti-resilience buckle 3 is wedge shape shown in Figure 7, T-shaped shown in Figure 8 or shown in Figure 9 hook-shaped.Anti-resilience buckle 3 is preferably the wedge shape that is shown in Figure 6 in the present embodiment.The 3 easier processing of anti-resilience buckle and the anti-resilience effect of wedge shape also can reach requirement.
As further improvement of the utility model, the edge of adjacent side plate 2 is also interwoven to have as shown in Figure 7 the recess 4 suitable with anti-resilience buckle 3, the anti-resilience buckle 3 at the edge of adjacent side plate 2 one of them side plate 2 to be embedded in the recess 4 at edge of another side plate 2 that is adjacent.
Because the width dimensions of anti-resilience buckle 3 ends is greater than the width dimensions of the inner, after so the anti-resilience buckle 3 at the edge of one of them side plate 2 is embedded in the recess 4 at edge of another side plate 2 that is adjacent, the barrier force of the recess 4 of another side plate 2 that just can be adjacent during side plate 2 resiliences at anti-resilience buckle 3 places.Simultaneously, because anti-resilience buckle 3 is embedded in the recess 4, the junction of adjacent side plates 2 is more smooth, compact, has further reduced the slit of junction, thereby has improved shield effectiveness.
Also offer through hole 5 on radome base plate 1 and the side plate 2 in the present embodiment, offer through hole 5 under the situation that does not reduce shield effectiveness, both alleviated the weight of this metal radome, also saved cost.
A kind of electronic equipment that is provided with metallic shield that the utility model embodiment is provided, comprise electronic device and cover at metallic shield on the electronic device, metallic shield comprises at least three side plates 2 that radome base plate 1 and radome base plate 1 periphery form towards the same side bending, the edge of side plate 2 is provided with anti-resilience buckle 3, anti-resilience buckle 3 extends towards the side plate 2 adjacent with the side plate 2 at its place, and anti-resilience buckle 3 intermeshes and is located at the edge of adjacent described side plate 2.
According to above-mentioned analysis to metallic shield beneficial effect provided by the utility model, as can be seen because the interior set metallic shield of this electronic equipment is relatively good for the shield effectiveness of electromagnetic interference, so the harm of electromagnetic interference also can be smaller in this electronic equipment, its operation conditions is also more stable.
The width dimensions of anti-resilience buckle 3 ends is greater than the width dimensions of the inner in the present embodiment.Anti-resilience buckle 3 is wedge shape, T-shaped or hook-shaped.The edge of adjacent side plate 2 is also interwoven to have the recess 4 suitable with anti-resilience buckle 3, the anti-resilience buckle 3 at the edge of adjacent side plate 2 one of them side plate 2 to be embedded in the recess 4 at edge of another side plate 2 that is adjacent.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (10)
1, a kind of metallic shield, comprise at least three side plates that radome base plate and described radome base plate periphery form towards the same side bending, the edge of described side plate is provided with anti-resilience buckle, described anti-resilience buckle extends towards the side plate adjacent with the side plate at its place, and it is characterized in that: described anti-resilience buckle intermeshes and is located at the edge of adjacent described side plate.
2, metallic shield according to claim 1 is characterized in that: the width dimensions of described anti-resilience buckle end is greater than the width dimensions of the inner.
3, metallic shield according to claim 2 is characterized in that: described anti-resilience buckle is wedge shape, T-shaped or hook-shaped.
4, metallic shield according to claim 2, it is characterized in that: the edge of adjacent described side plate is also interwoven to be had and the suitable recess of described anti-resilience buckle, and the described anti-resilience buckle at the edge of adjacent described one of them described side plate of side plate is embedded in the described recess at edge of another the described side plate that is adjacent.
5, metallic shield according to claim 1 is characterized in that: described radome base plate is a rectangle, and described radome base plate periphery vertically is bent to form four described side plates towards the same side.
6, metallic shield according to claim 1 is characterized in that: described anti-resilience buckle is that described side plate is stamped to form.
7, a kind of electronic equipment that is provided with metallic shield, comprise electronic device and cover at described metallic shield on the described electronic device, described metallic shield comprises at least three side plates that radome base plate and described radome base plate periphery form towards the same side bending, the edge of described side plate is provided with anti-resilience buckle, described anti-resilience buckle extends towards the side plate adjacent with the side plate at its place, and it is characterized in that: described anti-resilience buckle intermeshes and is located at the edge of adjacent described side plate.
8, electronic equipment according to claim 7 is characterized in that: the width dimensions of described anti-resilience buckle end is greater than the width dimensions of the inner.
9, electronic equipment according to claim 8 is characterized in that: described anti-resilience buckle is wedge shape, T-shaped or hook-shaped.
10, electronic equipment according to claim 8, it is characterized in that: the edge of adjacent described side plate is also interwoven to be had and the suitable recess of described anti-resilience buckle, and the described anti-resilience buckle at the edge of adjacent described one of them described side plate of side plate is embedded in the described recess at edge of another the described side plate that is adjacent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201791363U CN201294712Y (en) | 2008-11-21 | 2008-11-21 | Metallic shield cover and electronic equipment containing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201791363U CN201294712Y (en) | 2008-11-21 | 2008-11-21 | Metallic shield cover and electronic equipment containing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294712Y true CN201294712Y (en) | 2009-08-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201791363U Expired - Fee Related CN201294712Y (en) | 2008-11-21 | 2008-11-21 | Metallic shield cover and electronic equipment containing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294712Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102695410A (en) * | 2012-06-14 | 2012-09-26 | 昆山维金五金制品有限公司 | Shielding box |
| CN103140004A (en) * | 2011-12-01 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Base board |
| CN103379811A (en) * | 2012-04-26 | 2013-10-30 | 珠海格力电器股份有限公司 | Electric appliance shielding box |
| CN105371390A (en) * | 2015-12-07 | 2016-03-02 | 珠海格力电器股份有限公司 | Welding overlap edge structure, electric appliance box, air-conditioner external unit and processing method of welding overlap edge structure |
| CN107018647A (en) * | 2017-05-24 | 2017-08-04 | 合肥工业大学 | A kind of multilayer electromagnetic shielding cabinet with special teeth groove, arc-shaped slot structure |
| CN107580448A (en) * | 2017-08-02 | 2018-01-12 | 深圳天珑无线科技有限公司 | A kind of preparation method of electromagnetic shielding case, terminal and electromagnetic shielding case |
| CN108235609A (en) * | 2016-12-15 | 2018-06-29 | 台达电子工业股份有限公司 | Electronic device and its metal bottom shell |
| CN108490668A (en) * | 2018-05-30 | 2018-09-04 | 合肥惠科金扬科技有限公司 | Shielding case |
| CN112492863A (en) * | 2019-09-10 | 2021-03-12 | 群光电能科技股份有限公司 | Insulating boot fixed knot constructs and protector |
| DE102014109819B4 (en) | 2014-01-22 | 2023-09-21 | iwis e-tec GmbH | shielding housing |
-
2008
- 2008-11-21 CN CNU2008201791363U patent/CN201294712Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103140004A (en) * | 2011-12-01 | 2013-06-05 | 苏州工业园区高登威科技有限公司 | Base board |
| CN103140004B (en) * | 2011-12-01 | 2016-04-27 | 苏州工业园区高登威科技有限公司 | Base plate |
| CN103379811A (en) * | 2012-04-26 | 2013-10-30 | 珠海格力电器股份有限公司 | Electric appliance shielding box |
| CN102695410A (en) * | 2012-06-14 | 2012-09-26 | 昆山维金五金制品有限公司 | Shielding box |
| DE102014109819B4 (en) | 2014-01-22 | 2023-09-21 | iwis e-tec GmbH | shielding housing |
| CN105371390A (en) * | 2015-12-07 | 2016-03-02 | 珠海格力电器股份有限公司 | Welding overlap edge structure, electric appliance box, air-conditioner external unit and processing method of welding overlap edge structure |
| CN108235609B (en) * | 2016-12-15 | 2021-04-06 | 台达电子工业股份有限公司 | Electronic device and metal bottom case thereof |
| CN108235609A (en) * | 2016-12-15 | 2018-06-29 | 台达电子工业股份有限公司 | Electronic device and its metal bottom shell |
| CN107018647A (en) * | 2017-05-24 | 2017-08-04 | 合肥工业大学 | A kind of multilayer electromagnetic shielding cabinet with special teeth groove, arc-shaped slot structure |
| CN107018647B (en) * | 2017-05-24 | 2024-02-13 | 合肥工业大学 | Multilayer electromagnetic shielding cabinet body with special tooth slot and arc clamping groove structure |
| CN107580448A (en) * | 2017-08-02 | 2018-01-12 | 深圳天珑无线科技有限公司 | A kind of preparation method of electromagnetic shielding case, terminal and electromagnetic shielding case |
| CN108490668A (en) * | 2018-05-30 | 2018-09-04 | 合肥惠科金扬科技有限公司 | Shielding case |
| CN112492863A (en) * | 2019-09-10 | 2021-03-12 | 群光电能科技股份有限公司 | Insulating boot fixed knot constructs and protector |
| CN112492863B (en) * | 2019-09-10 | 2023-09-26 | 群光电能科技股份有限公司 | Insulation cover fixing structure and protection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111121 |