JPH0451519Y2 - - Google Patents
Info
- Publication number
- JPH0451519Y2 JPH0451519Y2 JP1009088U JP1009088U JPH0451519Y2 JP H0451519 Y2 JPH0451519 Y2 JP H0451519Y2 JP 1009088 U JP1009088 U JP 1009088U JP 1009088 U JP1009088 U JP 1009088U JP H0451519 Y2 JPH0451519 Y2 JP H0451519Y2
- Authority
- JP
- Japan
- Prior art keywords
- shield
- tongue piece
- shield cover
- partition wall
- contact
- 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
Links
- 238000005192 partition Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 239000007779 soft material Substances 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
【考案の詳細な説明】
(イ) 産業上の利用分野
本考案はテレビ受像機等のチユーナに使用され
るシールドケースに関する。[Detailed description of the invention] (a) Industrial application field The present invention relates to a shield case used in tuners of television receivers and the like.
(ロ) 従来の技術
一般にテレビ受像機等のチユーナに於いては電
気的特性上の要請として枠体に取付けられ不要輻
射を防止するシールド仕切壁をチユーナのシール
ドカバーを介してアースする必要が生じる場合が
多い。(b) Prior art In general, in tuners such as television receivers, due to electrical characteristics requirements, it is necessary to ground the shield partition wall that is attached to the frame and prevents unnecessary radiation through the tuner's shield cover. There are many cases.
そのようなものに実開昭59−87180号公報
（H05K5／03）及び実公昭57−24040号公報
（H05K7／02）等がある。即ちこれらの従来例で
は、第３図の如くシールドカバー２と枠体１から
なるシールドケース５内をシールド仕切壁４によ
つて複数の小空間に区割し、その各空間に組み込
んだ回路が電気的及び磁気的に影響しないように
第４図の如く前記シールド仕切壁４の端面４ａと
当接する当接部３ａを有する弾性舌片３をシール
ドカバー２から切起こして形成したものがある。 Examples of such methods include Japanese Utility Model Application No. 59-87180 (H05K5/03) and Japanese Utility Model Application Publication No. 57-24040 (H05K7/02). That is, in these conventional examples, the inside of a shield case 5 consisting of a shield cover 2 and a frame body 1 is divided into a plurality of small spaces by a shield partition wall 4 as shown in FIG. In order to prevent electrical and magnetic influences, there is one in which an elastic tongue piece 3 is cut and raised from the shield cover 2 and has an abutting portion 3a that abuts the end surface 4a of the shield partition wall 4, as shown in FIG.
しかしながら、上記構成によると、シールドカ
バー２から弾性舌片３を切起こしているために弾
性舌片３の周りにすき間８ができ、そのすき間８
から内部が見えるという欠点があつた。 However, according to the above configuration, since the elastic tongue piece 3 is cut and raised from the shield cover 2, a gap 8 is created around the elastic tongue piece 3;
The drawback was that you could see inside.
また、シールドカバー２の取付時に前記舌片３
に不要な力が加わつたり、外部からの衝撃等によ
つてシールド仕切壁４の端面４ａと前記舌片３の
接触が良好に行なわれず、良好なシールド効果が
行なわれないという欠点をもあつた。 Also, when installing the shield cover 2, the tongue piece 3
This also has the drawback that the contact between the end surface 4a of the shield partition wall 4 and the tongue piece 3 may not be good due to unnecessary force being applied to the shield or external impact, etc., and a good shielding effect may not be achieved. Ta.
(ハ) 考案が解決しようとする課題
本考案は上記欠点を解決しようとするものであ
つて、シール仕切壁とシールドカバーの電気的接
触が良好になるようにし、チユーナ回路のシール
ド効果を向上させることを目的とするものであ
る。(c) Problems to be solved by the invention The present invention aims to solve the above-mentioned shortcomings by improving the electrical contact between the sealing partition wall and the shielding cover, thereby improving the shielding effect of the tuner circuit.
(ニ) 課題を解決するための手段
本考案のシールドケースでは、良導電性でかつ
軟性の材料で形成された付加舌片の一端がシール
ドカバーの内側に固定され、且つ、その他端が、
前記シールドカバーから切起こして形成された弾
性舌片の当接部と、前記仕切壁の端縁からシール
ドカバー側に突出して形成された突出片の先端部
との間に接触して介在している構成とした。(d) Means for Solving the Problems In the shield case of the present invention, one end of the additional tongue piece formed of a highly conductive and soft material is fixed to the inside of the shield cover, and the other end is
interposed in contact between a contact portion of an elastic tongue piece formed by cutting and raising from the shield cover and a tip portion of a protrusion piece formed to protrude from the edge of the partition wall toward the shield cover side; The configuration is as follows.
(ホ) 作用
本考案によるとシールド仕切壁とシールドカバ
ーとの電気的接触を良好にする。(E) Effect: According to the present invention, good electrical contact is made between the shield partition wall and the shield cover.
(ヘ) 実施例
本考案の一実施例を第１図及び第２図を参照し
つつ説明するが、前述の従来例の第３図及び第４
図と同一部分には同一符号付して説明を省略す
る。７は良導電性で且つ比較的軟らかな材料（例
えばリン青銅）で形成された付加舌片で、その一
端は、シールドカバーの裏面に突出した突部２ａ
が付加舌片７の透孔７ａに挿入されて前記突部２
ａと透孔７ａとのすき間を半田付することによつ
てシールドカバー２に固定され、他端の接触部７
ｂはその上面がシールドカバー２から切り起こさ
れた弾性舌片３の当接部３ａに接触しており、下
面がシールド仕切壁４から突出して形成された突
出片４ｂの先端と接触している。尚、６は前記突
出片４ｂに透孔６ａが挿入されて位置決めされ、
シールドケース内に収納されたプリント基板であ
る。(F) Embodiment An embodiment of the present invention will be explained with reference to FIGS. 1 and 2. However, FIGS.
Components that are the same as those in the figures are given the same reference numerals and their explanations will be omitted. Reference numeral 7 denotes an additional tongue piece made of a relatively soft material (for example, phosphor bronze) with good conductivity, and one end of which is connected to a protrusion 2a that protrudes from the back surface of the shield cover.
is inserted into the through hole 7a of the additional tongue piece 7, and the protrusion 2
It is fixed to the shield cover 2 by soldering the gap between a and the through hole 7a, and the contact part 7 at the other end
b has its upper surface in contact with the contact portion 3a of the elastic tongue piece 3 cut and raised from the shield cover 2, and its lower surface in contact with the tip of the protruding piece 4b formed to protrude from the shield partition wall 4. . In addition, 6 is positioned by inserting the through hole 6a into the protruding piece 4b,
This is a printed circuit board housed inside a shield case.
以上の如く、シールドカバー２から切起こした
弾性舌片３とシール仕切壁４から突出して形成さ
れた突出片４ｂの間に良導電性で且つ比較的軟ら
かい材料で形成された付加舌片７を上記弾性舌片
３及び突出片４ｂの両者に接触するよう配置して
いるので、その三者３，４ｂ，７間の接触が確実
で、また前記突出片４ｂを押圧する弾性力は弾性
舌片３だけでなく、付加舌片７の弾性力によつて
補償されているために強固に接触でき振動等に対
しても安定性がある。 As described above, the additional tongue piece 7 made of a relatively soft material with good conductivity is inserted between the elastic tongue piece 3 cut and raised from the shield cover 2 and the protrusion piece 4b formed to protrude from the seal partition wall 4. Since it is arranged so as to contact both the elastic tongue piece 3 and the protrusion piece 4b, the contact between the three pieces 3, 4b, and 7 is reliable, and the elastic force pressing the protrusion piece 4b is controlled by the elastic tongue piece. 3, but also is compensated by the elastic force of the additional tongue piece 7, allowing for firm contact and stability against vibrations and the like.
(ト) 考案の効果
以上の如く本考案によると、シールド仕切壁の
突出片とシールドカバーから切起こされた弾性舌
片との間に付加舌片を介在させているのでシール
ドカバー仕切壁とシールドカバーとの電気的接触
を確実で強固に行なうことができ、その接触状態
を安定にすることができるので、シールドケース
を確実にアースさせてシールドを確実に行なえ
る。(g) Effect of the invention As described above, according to the invention, since the additional tongue piece is interposed between the protruding piece of the shield partition wall and the elastic tongue piece cut and raised from the shield cover, the shield cover partition wall and the shield Since electrical contact with the cover can be made reliably and firmly and the contact state can be made stable, the shielding case can be reliably grounded and shielding can be performed reliably.
第１図及び第２図は本考案の一実施例に係り、
第１図はシールドカバーに付加舌片を取付けた状
態を示す図、第２図はシールドケースの要部の垂
直断面図、第３図は従来のシールドケースの外観
図、第４図ａ，ｂは従来のシールドケースの要部
を示す平面図と断面図である。
２……シールドカバー、３……弾性舌片、４…
…シールド仕切壁、４ａ……突出片、７……付加
舌片、７ｂ……接触部。
1 and 2 relate to an embodiment of the present invention,
Figure 1 is a diagram showing the additional tongue piece attached to the shield cover, Figure 2 is a vertical sectional view of the main parts of the shield case, Figure 3 is an external view of the conventional shield case, and Figures 4 a and b. 1 is a plan view and a sectional view showing the main parts of a conventional shield case. 2... Shield cover, 3... Elastic tongue piece, 4...
...Shield partition wall, 4a...Protrusion piece, 7...Additional tongue piece, 7b...Contact part.
Claims (1)
が取付けられる開口部を有す枠体と、シールドケ
ース内を小空間に分割するシールド仕切壁とから
なるシールドケースに於いて、良導電性でかつ軟
性の材料で形成された付加舌片の一端が前記シー
ルドカバーの裏面側に固定され、該付加舌片の他
端が、前記シールドカバーから切起こして形成さ
れた弾性舌片の当接部と、前記仕切壁の端縁から
シールドカバー側に突出して形成された突出片の
先端部との間に接触して介在していることを特徴
とするシールドケース。 The shield case consists of a metal shield cover, a frame body with an opening to which the shield cover is attached, and a shield partition wall that divides the inside of the shield case into small spaces. One end of the additional tongue piece formed of a material is fixed to the back side of the shield cover, and the other end of the additional tongue piece is connected to the contact portion of the elastic tongue piece formed by cutting and raising the shield cover, and A shield case characterized in that the shield case is interposed in contact with the tip of a protrusion piece formed to protrude from an edge of a partition wall toward a shield cover side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1009088U JPH0451519Y2 (en) | 1988-01-28 | 1988-01-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1009088U JPH0451519Y2 (en) | 1988-01-28 | 1988-01-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01115295U JPH01115295U (en) | 1989-08-03 |
| JPH0451519Y2 true JPH0451519Y2 (en) | 1992-12-03 |
Family
ID=31217438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1009088U Expired JPH0451519Y2 (en) | 1988-01-28 | 1988-01-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451519Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2581455Y2 (en) * | 1992-12-15 | 1998-09-21 | ミツミ電機株式会社 | Shield case |
-
1988
- 1988-01-28 JP JP1009088U patent/JPH0451519Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH01115295U (en) | 1989-08-03 |
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