JP2885759B2 - Magnetic spring - Google Patents
Magnetic springInfo
- Publication number
- JP2885759B2 JP2885759B2 JP12654997A JP12654997A JP2885759B2 JP 2885759 B2 JP2885759 B2 JP 2885759B2 JP 12654997 A JP12654997 A JP 12654997A JP 12654997 A JP12654997 A JP 12654997A JP 2885759 B2 JP2885759 B2 JP 2885759B2
- Authority
- JP
- Japan
- Prior art keywords
- metal plate
- magnetic
- housing
- base
- magnetic spring
- 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
Links
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、電子機器の筐体の
隙間から漏洩している妨害電磁波を抑制するスプリング
に関し、特に、磁性物質を含むゴム材を取り付けた磁気
スプリングに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spring for suppressing an interfering electromagnetic wave leaking from a gap in a housing of an electronic device, and more particularly to a magnetic spring provided with a rubber material containing a magnetic substance.
【０００２】[0002]
【従来の技術】近年、電子機器の急速な普及に伴い、こ
れら電子機器から漏洩する妨害電磁波が他の電子機器へ
影響を与えてしまう電磁波障害（ＥＭＩ）が、世界的な
問題となっている。このＥＭＩを防止する手段の一つと
して、スプリングを使用して筐体間あるいは筐体と基盤
との間を接触させ電位差をなくすことにより、妨害電磁
波の発生を抑制していた。2. Description of the Related Art In recent years, with the rapid spread of electronic devices, electromagnetic interference (EMI) in which interference electromagnetic waves leaking from these electronic devices affect other electronic devices has become a worldwide problem. . As one of means for preventing this EMI, the generation of disturbing electromagnetic waves has been suppressed by using a spring to contact between the housings or between the housing and the base to eliminate a potential difference.
【０００３】図４は、この従来のスプリングを示す斜視
図である。このスプリングは、銅などの薄い金属板をＵ
字型にして弾性を有するようにした構成である。FIG. 4 is a perspective view showing this conventional spring. This spring uses a thin metal plate such as copper
It has a configuration in which it is shaped like a letter so as to have elasticity.
【０００４】[0004]
【発明が解決しようとする課題】上述した従来例では、
筐体の隙間を完璧に塞ぐことはできず、漏洩している妨
害電磁液を抑制できない。従って、筐体の隙間から妨害
電磁波が漏洩してしまうという問題を有する。In the above-mentioned conventional example,
The gap between the housings cannot be completely closed, and the leaked electromagnetic interference liquid cannot be suppressed. Therefore, there is a problem that the interfering electromagnetic wave leaks from the gap of the housing.
【０００５】そこで、本発明の目的は、筐体の隙間から
漏洩している妨害電磁波を磁気特性により抑制すること
にあるAccordingly, an object of the present invention is to suppress electromagnetic interference leaking from a gap in a housing by magnetic characteristics.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するた
め、本発明の磁気スプリングは、電子機器の筐体間また
は筐体と基盤との間の隙間から漏洩している妨害電磁波
を抑制するスプリングにおいて、弾力を持たせるよう
に、平坦面部と曲面部を有して折り曲げられ、前記筐体
間または前記筐体と基盤との間に差し込まれて前記隙間
を塞ぐ金属板と、前記金属板とほぼ同じ形状からなり、
前記金属板が外側から埋め込まれて前記金属板の内面側
に層状に設けられ、前記筐体間または前記筐体と基盤と
の間に位置する磁性物質を含む薄い板状の弾性体とから
なることを特徴とする。In order to achieve the above object, a magnetic spring according to the present invention is a spring for suppressing interfering electromagnetic waves leaking from a space between housings of electronic equipment or a space between a housing and a base. So that it has elasticity
The housing having a flat surface portion and a curved surface portion,
Between the housing or the base and the gap
And a metal plate that closes, and has substantially the same shape as the metal plate,
The metal plate is embedded from the outside and the inner side of the metal plate
Are provided in layers, between the housings or between the housing and the base.
From a thin plate-like elastic body containing a magnetic substance located between
It is characterized by becoming .
【０００７】また、金属板により、筐体間または筐体と
基盤の間の電位差を減少させるのが好ましい。Further, it is preferable to reduce the potential difference between the housings or between the housing and the base by using a metal plate.
【０００８】さらに、磁性物質の磁気特性により、筐体
間または基盤と筐体との間の隙間から漏洩する妨害電磁
波を抑制するのが好ましい。[0008] Further, it is preferable to suppress the interfering electromagnetic waves leaking from between the housings or from the gap between the base and the housing by the magnetic characteristics of the magnetic substance.
【０００９】またさらに、金属板を折り曲げて断面をＵ
字形にしたのが好ましい。Further, the metal plate is bent so that the cross section is U
Preferably, it is shaped like a letter.
【００１０】また、金属板を折り曲げて断面をコの字形
にしても良い。[0010] The metal plate may be bent to have a U-shaped cross section.
【００１１】さらに、弾性体および金属板の形状が矩形
であり、弾性体の対向する辺のうち、金属板により折り
曲げられていない一対の辺の縁部が金属板に覆われたの
が好ましい。Further, it is preferable that the elastic body and the metal plate have rectangular shapes, and that the edges of a pair of sides of the elastic body that are not bent by the metal plate are covered with the metal plate.
【００１２】またさらに、弾性体が、ゴム材であるのが
好ましい。Further, it is preferable that the elastic body is a rubber material.
【００１３】本発明の磁気スプリングは、特に、スプリ
ング状の薄い食属板に磁性物質を含むゴム材を取り付け
ることを特徴とする。このゴム材に含まれている磁性物
質の磁気特性により、筐体の隙間から漏洩する妨害電磁
波を抑制する。The magnetic spring of the present invention is characterized in that a rubber material containing a magnetic substance is attached to a spring-like thin food plate. Due to the magnetic properties of the magnetic substance contained in the rubber material, interfering electromagnetic waves leaking from gaps in the housing are suppressed.
【００１４】[0014]
【発明の実施の形態】次に、本発明の実施例について図
面を参照して詳細に説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings.
【００１５】図１は、本発明の磁気スプリングの実施例
を示す斜視図である。この磁気スプリングは、磁性物質
１を含むゴム材２と、ゴム材２に埋め込まれ、ゴム材２
を覆うＵ字状の薄い金属板３とを有する。ゴム材２は、
磁性物質１を含む薄い板状のゴムであり、金属板３が外
側から埋め込まれて金属板３の内面側に層状に設けられ
ている。金属板３は、ゴム材２とほぼ同じ形状で形成さ
れ、ゴム材２に埋め込まれゴム材２を覆っている。ま
た、金属板３は、本実施例のように、全体が板状でなく
ても格子状または数本の帯状の金属板でもよい。この金
属板３を、平坦面部と曲面部を有するように折り曲げて
弾力を持たせ、筐体間または筐体と基盤との間に差し込
むことにより、筐体間または筐体と基盤との間に位置す
る磁性物質１が隙間を塞ぎ、電位差をなくし、筐体の隙
間から漏洩する妨害電磁波の発生を抑制している。FIG. 1 is a perspective view showing an embodiment of the magnetic spring of the present invention. The magnetic spring includes a rubber material 2 containing a magnetic substance 1 and a rubber material 2 embedded in the rubber material 2.
And a U-shaped thin metal plate 3 covering the metal plate. The rubber material 2
It is a thin plate-like rubber containing the magnetic substance 1, and the metal plate 3
Buried from the side and provided in layers on the inner surface side of the metal plate 3
ing. The metal plate 3 is formed in substantially the same shape as the rubber material 2 and is embedded in the rubber material 2 to cover the rubber material 2. Further, the metal plate 3 does not need to be entirely plate-shaped as in this embodiment, but may be a lattice-shaped or several band-shaped metal plate. The metal plate 3 is bent so as to have a flat surface portion and a curved surface portion so as to have elasticity, and is inserted between the housings or between the housing and the base, so that the metal plate 3 is inserted between the housings or between the housing and the base. Be located
The magnetic substance 1 closes the gap, eliminates the potential difference, and suppresses the generation of interfering electromagnetic waves leaking from the gap in the housing.
【００１６】次に、図２は、図１のＡ−Ａ断面図であ
る。このように、本実施例では、金属板３を折り曲げた
後の断面形状はＵ字型であるが、コの字形でも、円形で
も、弾力を持たせる形状であれば良い。また、ゴム材２
および金属板３の形状は、本実施例の場合は矩形であ
り、ゴム材２の対向する辺のうち、金属板３により折り
曲げられていない一対の辺の縁部が金属板３に覆われて
固定されると良い。また、金属板３は、ゴム材２の外面
に沿って埋め込まれているが、ゴム材２の内面に沿って
埋め込まれても良い。FIG. 2 is a sectional view taken along the line AA of FIG. As described above, in this embodiment, the cross-sectional shape after bending the metal plate 3 is a U-shape, but may be a U-shape or a circular shape as long as it has elasticity. In addition, rubber material 2
The shape of the metal plate 3 is rectangular in the present embodiment, and the edges of a pair of sides of the rubber material 2 that are not bent by the metal plate 3 are covered with the metal plate 3. Good to be fixed. Although the metal plate 3 is embedded along the outer surface of the rubber material 2, the metal plate 3 may be embedded along the inner surface of the rubber material 2.
【００１７】次に、図３は、本発明の磁気スプリングの
実施例を使用した場合の断面図である。本実施例では、
筐体４と別の筐体５との隙間に挟み込むようにＵ字形の
磁気スプリングを取付け、この金属板３により筐体４と
筐体５と間の電位差を減少させ、ゴム材３に含まれてい
る磁性物質により、筐体４と筐体５との隙間から漏洩し
ようとする妨害電磁波の発生を抑制できる。本実施例で
は、筐体間の隙間を示したが、筐体と基盤との隙間であ
っても良い。Next, FIG. 3 is a sectional view when an embodiment of the magnetic spring of the present invention is used. In this embodiment,
A U-shaped magnetic spring is attached so as to be sandwiched in a gap between the housing 4 and another housing 5, and a potential difference between the housing 4 and the housing 5 is reduced by the metal plate 3. The generated magnetic substance can suppress the generation of an interfering electromagnetic wave that is about to leak from the gap between the housing 4 and the housing 5. In the present embodiment, the gap between the housings is shown, but it may be a gap between the housing and the base.
【００１８】[0018]
【発明の効果】本発明の磁気スプリングでは、磁性物質
を含むゴム材を、薄いＵ字型の金属板で覆うため、筐体
の隙間などに使用した場合、金属板により筐体間の電位
差を減少させるという効果を奏する。According to the magnetic spring of the present invention, a rubber material containing a magnetic substance is covered with a thin U-shaped metal plate. Therefore, when the rubber material is used for a gap between the cases, the potential difference between the cases is reduced by the metal plate. It has the effect of reducing it.
【００１９】また、磁性物質の磁気特性により漏洩され
る妨害電磁波を抑制することができるという効果を奏す
る。Also, there is an effect that it is possible to suppress interfering electromagnetic waves leaked due to the magnetic characteristics of the magnetic substance.
【図１】本発明の磁気スプリングの実施例を示す斜視図
である。FIG. 1 is a perspective view showing an embodiment of a magnetic spring according to the present invention.
【図２】図２のＡ−Ａ断面図である。FIG. 2 is a sectional view taken along line AA of FIG. 2;
【図３】本発明の磁気スプリングの実施例を使用した場
合を示す断面図である。FIG. 3 is a sectional view showing a case where an embodiment of the magnetic spring of the present invention is used.
【図４】従来のスプリングを示す斜視図である。FIG. 4 is a perspective view showing a conventional spring.
１ 磁性物質 ２ ゴム材 ３ 薄い金属板 ４ 筐体 ５ 別の筐件 DESCRIPTION OF SYMBOLS 1 Magnetic substance 2 Rubber material 3 Thin metal plate 4 Case 5 Another case
Claims (7)
の隙間から漏洩している妨害電磁波を抑制するスプリン
グにおいて、弾力を持たせるように、平坦面部と曲面部を有して折り
曲げられ、前記筐体間または前記筐体と基盤との間に差
し込まれて前記隙間を塞ぐ金属板と、 前記金属板とほぼ同じ形状からなり、前記金属板が外側
から埋め込まれて前記金属板の内面側に層状に設けら
れ、前記筐体間または前記筐体と基盤との間に位置する
磁性物質を含む薄い板状の弾性体と からなる ことを特徴
とする磁気スプリング。A spring for suppressing interfering electromagnetic waves leaking from a housing of an electronic device or a gap between a housing and a base has a flat surface portion and a curved surface portion so as to have elasticity. Folding
Bent between the enclosures or between the enclosure and the base
A metal plate that closes the gap and is substantially the same shape as the metal plate;
Embedded in a layer on the inner surface of the metal plate.
Located between the housings or between the housing and the base.
Magnetic spring, characterized by comprising a thin plate-like elastic body containing a magnetic material.
筐体と前記基盤との間の電位差を減少させることを特徴
とする、請求項１に記載の磁気スプリング。2. The magnetic spring according to claim 1, wherein the metal plate reduces a potential difference between the housings or between the housing and the base.
間または前記筐体と前記基盤との間の隙間から漏洩する
妨害電磁波を抑制することを特徴とする、請求項１また
は２に記載の磁気スプリング。3. The device according to claim 1, wherein the magnetic properties of the magnetic substance suppress interference electromagnetic waves leaking from between the casings or from a gap between the casing and the base. Magnetic spring.
たことを特徴とする、請求項１〜３のいずれかに記載の
磁気スプリング。4. The magnetic spring according to claim 1, wherein said metal plate is bent to have a U-shaped cross section.
したことを特徴とする、請求項１〜３のいずれかに記載
の磁気スプリング。5. The magnetic spring according to claim 1, wherein said metal plate is bent to have a U-shaped cross section.
であり、前記弾性体の対向する辺のうち、前記金属板に
より折り曲げられていない一対の辺の縁部が前記金属板
に覆われたことを特徴とする、請求項１〜５のいずれか
に記載の磁気スプリング。6. The elastic body and the metal plate are rectangular in shape, and of the opposing sides of the elastic body, edges of a pair of sides not bent by the metal plate are covered with the metal plate. The magnetic spring according to claim 1, wherein:
する、請求項１〜６のいずれかに記載の磁気スプリング7. The magnetic spring according to claim 1, wherein said elastic body is a rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12654997A JP2885759B2 (en) | 1997-05-16 | 1997-05-16 | Magnetic spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12654997A JP2885759B2 (en) | 1997-05-16 | 1997-05-16 | Magnetic spring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10322077A JPH10322077A (en) | 1998-12-04 |
| JP2885759B2 true JP2885759B2 (en) | 1999-04-26 |
Family
ID=14937932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12654997A Expired - Fee Related JP2885759B2 (en) | 1997-05-16 | 1997-05-16 | Magnetic spring |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2885759B2 (en) |
-
1997
- 1997-05-16 JP JP12654997A patent/JP2885759B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH10322077A (en) | 1998-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI672092B (en) | Electronic device, method of arranging an electromagnetic interference suppressor and communication device | |
| EP2236018B1 (en) | Magnetic shielding gasket | |
| JPH10271590A (en) | Device for protecting microphone from disturbance | |
| JPH11232410A (en) | Shielded pc card and its production | |
| US6818822B1 (en) | Conductive gasket including internal contact-enhancing strip | |
| JP2006203150A (en) | Electromagnetic shield structure | |
| JP2885759B2 (en) | Magnetic spring | |
| JP2001160697A (en) | Electronic apparatus for outdoor use | |
| JPS6225920Y2 (en) | ||
| US10736246B2 (en) | Electromagnetic interference shielding having a magnetically attracted shield arm | |
| JP2007227767A (en) | Electromagnetic shield structure of electronics | |
| JP2012227213A (en) | Electromagnetic wave shield structure | |
| JP4246682B2 (en) | Electromagnetic shielding gasket | |
| JP2842856B2 (en) | Gasket for electromagnetic wave shielding | |
| JP2001308577A (en) | Pt plate shield structure | |
| US6664464B2 (en) | EMI shielding device | |
| JP2009020981A (en) | Electronic equipment | |
| CN110891361A (en) | Shielding structure of circuit board and electronic device with same | |
| JP2000174477A (en) | Housing structure for electronic equipment | |
| JPH05308198A (en) | Shielding structure | |
| JP2001177286A (en) | Electromagnetic shield gasket | |
| JP2001053482A (en) | Shielding structure of electronics | |
| JP2001284872A (en) | Electronic apparatus housing | |
| JP2001144488A (en) | Box body structure of module | |
| JP2001267775A (en) | Plastic case for electronic apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080212 Year of fee payment: 9 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20090212 Year of fee payment: 10 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100212 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20100212 Year of fee payment: 11 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110212 Year of fee payment: 12 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120212 Year of fee payment: 13 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120212 Year of fee payment: 13 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
| R371 | Transfer withdrawn |
Free format text: JAPANESE INTERMEDIATE CODE: R371 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120212 Year of fee payment: 13 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120212 Year of fee payment: 13 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130212 Year of fee payment: 14 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130212 Year of fee payment: 14 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130212 Year of fee payment: 14 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |