JPH0710532Y2 - Electronic device housing structure - Google Patents
Electronic device housing structureInfo
- Publication number
- JPH0710532Y2 JPH0710532Y2 JP1989075949U JP7594989U JPH0710532Y2 JP H0710532 Y2 JPH0710532 Y2 JP H0710532Y2 JP 1989075949 U JP1989075949 U JP 1989075949U JP 7594989 U JP7594989 U JP 7594989U JP H0710532 Y2 JPH0710532 Y2 JP H0710532Y2
- Authority
- JP
- Japan
- Prior art keywords
- angle member
- connector
- board assembly
- cover
- housing
- 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 - Lifetime
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Description
【考案の詳細な説明】 〔概要〕 電磁気障害対策を施した電子機器筐体構造に関し、 信頼性の向上を図ることを可能とすることを目的とし、 筐体本体と該筐体本体にねじ止めされてこの開口を覆う
カバーとよりなる筐体内にプリント板組立体が収容さ
れ、コネクタが上記カバーの開口窓から露出した構成の
電子機器筐体において、第１の面部と第２の面部とより
なる断面Ｌ字状のアングル部材を有し、上記プリント板
組立体に対して、該アングル部材の第１の面部と上記コ
ネクタとが共締めして固定され、且つ上記筐体本体に
は、上記アングル部材の上記の第２の面部が差し込まれ
る溝を形成してなり、上記プリント板組立体がこれに固
定された上記アングル部材の上記第２の面部を上記溝に
差し込まれて支持され、且つ上記カバーの上記開口窓の
周囲の部分が上記アングル部材の上記第１の面部に密着
してなるよう構成する。[Detailed Description of the Invention] [Outline] Regarding an electronic device housing structure provided with measures against electromagnetic interference, a housing body and a screwed structure to the housing body are provided for the purpose of improving reliability. The printed board assembly is housed in a housing formed of a cover that covers the opening, and the connector is exposed from the opening window of the cover. In the electronic equipment housing, the first surface portion and the second surface portion are The first surface portion of the angle member and the connector are fastened together and fixed to the printed board assembly, and the angled member has an L-shaped cross section. A groove into which the second surface of the angle member is inserted is formed, and the printed board assembly is supported by inserting the second surface of the angle member fixed into the groove into the groove; Open the cover The peripheral portion of the mouth window is configured to be in close contact with the first surface portion of the angle member.
本考案は電磁気障害対策を施した電子機器筐体構造に関
する。The present invention relates to an electronic device housing structure provided with measures against electromagnetic interference.
近年、通信信号のデジタル化に伴って、例えば電話交換
器の端末側の制御ユニットである電子機器には電磁気障
害対策が必要とされてきている。In recent years, along with the digitization of communication signals, countermeasures against electromagnetic interference have been required for electronic devices which are, for example, control units on the terminal side of telephone exchanges.
この対策のための構造は、所望の効果が確実に得られる
信頼性を有する構造であることが望ましい。It is desirable that the structure for this countermeasure is a structure having reliability that can surely obtain a desired effect.
第６図は電磁気障害対策を施していない構造を示す。 FIG. 6 shows a structure without measures against electromagnetic interference.
１は筐体本体、２はカバー、３はＤ−サブ型のコネク
タ、４はプリント板に電子部品が実装されたプリント板
組立体である。Reference numeral 1 is a housing main body, 2 is a cover, 3 is a D-sub type connector, and 4 is a printed board assembly in which electronic components are mounted on a printed board.
コネクタ３は、フランジ3aの部分をスペーサ５を介して
プリント板組立体４にねじ止めしてある。In the connector 3, the flange 3a is screwed to the printed board assembly 4 via the spacer 5.
プリント板組立体４は筐体本体１にねじ止め固定してあ
る。The printed board assembly 4 is fixed to the housing body 1 with screws.
カバー２は開口窓2aをフランジ3aに嵌合させて、筐体本
体１にねじ止めしてある。The cover 2 has the opening window 2a fitted to the flange 3a and is screwed to the housing body 1.
この構造では、符号６で示すように、コネクタ３のフラ
ンジ3aの周縁に隙間ができることが避けられない。In this structure, as shown by reference numeral 6, it is inevitable that a gap is formed around the flange 3a of the connector 3.
プリント板組立体４を発信源とする例えば9.26MHzの電
磁波が符号７で示すように、隙間６を通って外部に放射
されて、電波環境を汚損する。An electromagnetic wave of, for example, 9.26 MHz originating from the printed board assembly 4 is radiated to the outside through the gap 6 as shown by reference numeral 7, and the radio wave environment is polluted.
第７図は電磁気障害対策を施した電子機器筐体構造の従
来例を示す。FIG. 7 shows a conventional example of a structure of an electronic device housing which is provided with measures against electromagnetic interference.
同図中、第６図に示す構成部分と対応する部分には同一
符号を付す。In the figure, parts corresponding to those shown in FIG. 6 are designated by the same reference numerals.
10は楕円リング状のシール板である。10 is an elliptical ring-shaped seal plate.
このシール板10がカバー２に固定されてカバー２及びフ
ランジ3aと重なっており、隙間６を塞いである。The seal plate 10 is fixed to the cover 2, overlaps the cover 2 and the flange 3a, and closes the gap 6.
これにより電磁波の放射が防止されている。This prevents the emission of electromagnetic waves.
しかし、実際上には、シール板10の固定の仕方がむずか
しく、重なり合った部分に隙間が生じ易く、十分な効果
が得られないこともあり、信頼性に欠けていた。However, in practice, it was difficult to fix the seal plate 10, a gap was likely to be formed in the overlapped portion, and a sufficient effect could not be obtained, resulting in lack of reliability.
本考案は、信頼性の向上を図ることを可能とする電子機
器筐体構造に関する。The present invention relates to an electronic device housing structure capable of improving reliability.
本考案は、筐体本体と該筐体本体にねじ止めされてこの
開口を覆うカバーとよりなる筐体内にプリント板組立体
が収容され、コネクタが上記カバーの開口窓から露出し
た構成の電子機器筐体において、 第１の面部と第２の面部とよりなる断面Ｌ字状のアング
ル部材を有し、 上記プリント板組立体に対して、該アングル部材の第１
の面部と上記コネクタとが共締めして固定され、且つ 上記筐体本体には、上記アングル部材の上記の第２の面
部が差し込まれる溝を形成してなり、 上記プリント板組立体がこれに固定された上記アングル
部材の上記第２の面部を上記溝に差し込まれて支持さ
れ、且つ上記カバーの上記開口窓の周囲の部分が上記ア
ングル部材の上記第１の面部に密着してなる構成とした
ものである。The present invention relates to an electronic device in which a printed board assembly is housed in a housing including a housing body and a cover screwed to the housing body to cover the opening, and a connector is exposed from an opening window of the cover. The housing has an angle member having an L-shaped cross section, the angle member having a first surface portion and a second surface portion, and the first angle member of the angle member with respect to the printed board assembly.
And the connector is fastened together and fixed, and the housing body is formed with a groove into which the second surface of the angle member is inserted, and the printed board assembly is formed in the groove. The second surface portion of the fixed angle member is inserted into and supported by the groove, and a portion of the cover around the opening window is in close contact with the first surface portion of the angle member. It was done.
カバーの開口窓の周囲の部分がアングル部材の第１の面
部に密着していることにより、隙間が生ぜず、外部への
電磁波の放射が防止される。Since the peripheral portion of the opening window of the cover is in close contact with the first surface portion of the angle member, no gap is created and the emission of electromagnetic waves to the outside is prevented.
アングル部材の第２の面部が上記筐体の溝に差し込まれ
ていることにより、これだけでプリント板組立体の支持
が可能となり、ねじ止めが不要となり、組立性が良くな
る。Since the second surface of the angle member is inserted into the groove of the housing, the printed board assembly can be supported by this alone, screwing is not required, and the assemblability is improved.
アングル部材をコネクタと共締めする構成は、夫々を別
個にねじ止めする場合に比べて、ねじ止め個所が減る。In the configuration in which the angle member is fastened together with the connector, the number of screwing points is reduced as compared with the case where the angle members are individually screwed.
第１図乃至第３図は本考案の一実施例である電話交換機
の端末側の制御ユニット筐体20を示す。1 to 3 show a control unit housing 20 on the terminal side of a telephone exchange which is an embodiment of the present invention.
筐体20は、鉄板製の筐体本体21とこの開口22を覆う鉄板
製のカバー23とよりなる。The case 20 is composed of a case main body 21 made of an iron plate and a cover 23 made of an iron plate for covering the opening 22.
24はプリント板に電子部品が実装されたプリント板組立
体であり筐体20の内部に収容されている。Reference numeral 24 denotes a printed board assembly in which electronic components are mounted on the printed board, which is housed in the housing 20.
25-1，25-2はＤ−サブ型のコネクタである。25 1, 25 2 is the connector D- subtypes.
26はアングル部材である。26 is an angle member.
アングル部材26は、断面Ｌ字状の金属製の部材であり、
第１の面部26-1と第２の面部26-2を有する。The angle member 26 is a metal member having an L-shaped cross section,
A first face portion 26-1 and the second surface portion 26-2.
筐体本体21の一の側面の内側に沿って、上記第２の面部
26-2が差し込まれる溝27が形成してある。この溝27は、
筐体本体21の側板28とこの内面に固定された板29との間
に形成してあり、幅Ｗは小さく、深さｄが深い。The second surface portion is formed along the inside of one side surface of the housing body 21.
26- 2 is formed a groove 27 to be inserted. This groove 27
It is formed between the side plate 28 of the housing body 21 and a plate 29 fixed to the inner surface thereof, and has a small width W and a deep depth d.
アングル部材26の第１の面部26-1の両端近傍には、コネ
クタ25-1，25-2の背面突部25-1a，25-2aに対応する大き
さの開口窓26-1aが形成してある。The first ends near the surface 26 - 1 of the angle member 26, the connector 25 1, 25 2 of the rear projection 25 1a, 25 2a size of the opening window 26-1a corresponding to the form There is.
カバー23には、コネクタ25-1，25-2のフランジ25-1b，2
5-2bに対応する大きさの開口窓23a,23bが形成してあ
る。The cover 23, the connector 25 1, 25 2 of the flange 25 1b, 2
The size of the opening window 23a corresponding to the 5-2b, 23b are are formed.
アングル部材26と、プリント基板組立体24と、コネクタ
25-1，25-2とは、第４図に示すように予め組み合わされ
て、サブ組立体とされている。Angle member 26, printed circuit board assembly 24, connector
25 1, and 25 2, are combined in advance as shown in FIG. 4, there is a sub-assembly.
コネクタ25-1の部分についてみると、第４図に併せて示
すように、アングル部材26の下側に、プリント板組立体
24がスペーサ30を介して、ねじ31とナット32とにより固
定してある。As for the portion of the connector 25 1, as also shown in FIG. 4, the lower side of the angle member 26, printed circuit board assembly
24 is fixed via a spacer 30 by a screw 31 and a nut 32.
コネクタ25-1は、フランジ25-1bを、上記のねじ31とナ
ット32とによりアングル部材26の第１の面部26-1と共締
されて、背面突部25-1aが開口窓26-1aに嵌合した状態
で、固定してある。Connector 25 1, the flange 25 1b, is first surface portion 26-1 and Kyoshime of angle members 26 by the above screw 31 and nut 32, the rear protrusion 25 1a is an opening window 26-1a It is fixed in the state of being fitted to.
コネクタ25-2についても、上記のコネクタ25-1と同じ
く、スペーサ33,ねじ34及びナット35により、アングル
部材26と共締されて、プリント板組立体24に固定されて
いる。For even connectors 25 2, like the above-described connector 25 1, the spacer 33, screw 34 and nut 35, are angle members 26 and Kyoshime are fixed to the printed board assembly 24.
各コネクタ25-1，25-2は、プリント板組立体24に対して
機械的に固定されると共に、端子36により電気的に接続
されている。Each connector 25 1, 25 2 is mechanically fixed to the printed board assembly 24 are electrically connected by a pin 36.
第５図に示すように、アングル部材26の第２の面部26-2
が溝27に差し込まれている。As shown in FIG. 5, a second surface portion of the angle member 26 26- 2
Is inserted into the groove 27.
カバー23は、開口窓23a,23bがフランジ25-1b，25-2bに
嵌合した状態でねじ36により筐体本体21にねじ止め固定
してある。Cover 23 has an opening window 23a, 23b is a flange 25-1b, 25-in fitted state 2b are screwed to the housing body 21 by screws 36.
ここで、アングル部材26の第２の面部26-2が溝27に差し
込まれた状態における第１の面部26-1の高さが、取り付
けたカバー23の高さより若干高くなるように定めてあ
り、カバー23のうち開口窓23a,23bの周囲の部分がアン
グル部材26の第１の面部26-1に押し付けられてこれに密
着した状態となる。Here, there are determined such that the first surface portion 26-first height in a state in which the second surface portion 26-2 is inserted into the groove 27 of the angle member 26 becomes slightly higher than the height of the mounting cover 23 , a state in which the opening window 23a, the surrounding part of 23b in close contact thereto is pressed against the first face portion 26-1 of the angle member 26 of the cover 23.
第４図中、符号37が密着部分を示す。In FIG. 4, reference numeral 37 indicates a close contact portion.
コネクタ25-1，25-2のコネクタ部25-1c，25-2cが夫々開
口窓23a,23bから突出して露出している。Connector 25 1, 25 2 of the connector portion 25 1c, 25 2c are exposed to protrude from the respective open windows 23a, 23b.
上記の構造において、コネクタ25-1，25-2のフランジ25
-1b，25-2bと開口窓23a,23bとの間の隙間38は完全に塞
がれており、且つコネクタ25-1，25-2はアングル部材26
自体を介して筐体20と電気的に接続されて筐体20と同電
位であるアース電位とされており、電磁波の筐体20の内
部より外部への放射は確実に防止される。In the above structure, the connector 25 1, 25 2 of the flange 25
- 1b, 25 2b and the opening windows 23a, the gap 38 is completely closed between 23b, and the connector 25 1, 25 2 angle member 26
It is electrically connected to the housing 20 via itself and is set to the ground potential which is the same potential as the housing 20, and the radiation of electromagnetic waves from the inside of the housing 20 to the outside is reliably prevented.
なお、上記実施例より分かるように、コネクタの数が３
以上であっても、これらが横に並んだ関係にあればアン
グル部材は単一で足りる。As can be seen from the above embodiment, the number of connectors is three.
Even if it is above, if these are in a side-by-side relationship, a single angle member will suffice.
また、第３図に示すように、プリント板組立体24は、ア
ングル部材26と反対側はねじ37によりねじ止めしてある
が、アングル部材26の側は、第１の面部26-1をカバー23
により押さえられ、第２の面部26-2を溝27に差し込まれ
た状態に保たれて、ねじ止めせずに固定されている。そ
の分ねじ止め工数が少なくて済み、組立作業はし易い。Further, as shown in FIG. 3, the printed board assembly 24 is the side opposite to the angle members 26 are screwed by a screw 37, the side of the angle member 26 covers the first surface portion 26-1 twenty three
Pressed by the second surface portion 26-2 is maintained at a state of being inserted into the groove 27, and is fixed without screws. The number of screwing steps is small and the assembly work is easy.
またアングル部材26は断面Ｌ字状であり、曲げに対して
の機械的強度は強い。この点でもプリント板組立体24の
アングル部材26の側は、十分に強く固定される。The angle member 26 has an L-shaped cross section, and has a high mechanical strength against bending. In this respect as well, the side of the angle member 26 of the printed board assembly 24 is sufficiently strongly fixed.
なお本考案は上記実施例の制御ユニット筐体に限らず、
他の電子機器筐体にも適用することができる。The present invention is not limited to the control unit housing of the above embodiment,
It can also be applied to other electronic device housings.
以上説明した様に、本考案によれば、カバーのうちコネ
クタを露出される開口窓の部分もアングル部材により完
全に塞がれた状態となり、電磁波の外部への放射を確実
に防止することが出来、信頼性を向上し得る。As described above, according to the present invention, the opening window portion of the cover that exposes the connector is completely closed by the angle member, so that the electromagnetic wave can be reliably prevented from being emitted to the outside. It can be done and the reliability can be improved.
またアングル部材がその第２の面部を筐体本体の溝に差
し込まれて支持されることにより、プリント板組立体を
筐体本体に固定するためのねじ止めが不要となり、組立
作業性を良く出来る。Further, since the second surface of the angle member is inserted into and supported by the groove of the housing body, screwing for fixing the printed board assembly to the housing body is unnecessary, and the assembling workability can be improved. .
またアングル部材はプリント板組立体に対して、コネク
タと共締めされており、アングル部材とコネクタとを夫
々別個にめじ止めする場合に比べて、ねじ止め個所が減
り、この点でも組立作業性を良く出来る。Further, since the angle member is fastened together with the connector to the printed board assembly, the number of screwing points is reduced as compared with the case where the angle member and the connector are separately fixed by staking. I can do it well.
第１図は本考案の一実施例になる電子機器筐体構造の一
部切截分解斜視図、 第２図は第１図の電子機器筐体構造の正面図、第３図は
その左側面図、 第４図は第２図中IV−IV線に沿う拡大断面図、第５図は
第３図中の下側部分を拡大して示す図、 第６図は電磁気障害対策を施していない例を示す図、 第７図は電磁気障害対策を施した従来の１例を示す図で
ある。 図において、 20は制御ユニット筐体、21は筐体本体、22は開口、23は
カバー、23a,23bは開口窓、24はプリント板組立体、25-
1，25-2はＤ−サブ型コネクタ、26はアングル部材、26-
1は第１の面部、26-2は第２の面部、27は溝、30,33はス
ペーサ、31,34はねじ、32,35はナット、37は密着部分、
38は隙間 を示す。FIG. 1 is a partially cutaway exploded perspective view of an electronic equipment housing structure according to an embodiment of the present invention, FIG. 2 is a front view of the electronic equipment housing structure of FIG. 1, and FIG. Fig. 4, Fig. 4 is an enlarged sectional view taken along line IV-IV in Fig. 2, Fig. 5 is an enlarged view of the lower part of Fig. 3, and Fig. 6 is not provided with electromagnetic interference countermeasures. FIG. 7 is a diagram showing an example, and FIG. 7 is a diagram showing a conventional example in which measures against electromagnetic interference are taken. In the figure, 20 is a control unit housing, 21 is a housing body, 22 is an opening, 23 is a cover, 23a and 23b are opening windows, 24 is a printed board assembly, and 25-
1, 25 2 is D- sub connector, 26 angle members, 26-
1 the first face portion, 26-2 the second surface portion, the groove 27, 30 and 33 spacers, 31 and 34 screw, 32 and 35 the nut 37 is in close contact portion,
38 indicates a gap.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 実開 昭63−93673（ＪＰ，Ｕ) 実開 昭62−145378（ＪＰ，Ｕ) 実開 昭62−61578（ＪＰ，Ｕ) 実開 昭62−103346（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References Shown 63-93673 (JP, U) Shown 62-145378 (JP, U) Shown 62-61578 (JP, U) Shown 62- 103346 (JP, U)
Claims (1)
れてこの開口（22）を覆うカバー（23）とよりなる筐体
（20）内にプリント板組立体（24）が収容され、コネク
タ（25-1，25-2）が上記カバー（23）の開口窓（23a,23
b）から露出した構成の電子機器筐体において、 第１の面部（26-1）と第２の面部（26-2）とよりなる断
面Ｌ字状のアングル部材（26）を有し、 上記プリント板組立体（24）に対して、該アングル部材
（26）の第１の面部（26-1）と上記コネクタ（25-1，25
-2）とが共締めして固定され、且つ 上記筐体本体（21）には、上記アングル部材（26）の上
記の第２の面部（26-2）が差し込まれる溝（27）を形成
してなり、 上記プリント板組立体（24）がこれに固定された上記ア
ングル部材（26）の上記第２の面部（26-2）を上記溝
（27）に差し込まれて支持され、且つ上記カバー（23）
の上記開口窓（23a,23b）の周囲の部分が上記アングル
部材（26）の上記第１の面部（26-1）に密着してなる構
成の電子機器筐体構造。A printed board assembly (24) is provided in a housing (20) comprising a housing body (21) and a cover (23) screwed to the housing body and covering the opening (22). housed, the connector (25 1, 25 2) opening window of the cover (23) (23a, 23
In electronics enclosure structure exposed from b), a first face portion (26 - 1) and the second face portion (26 - 2) and become more L-shaped cross section of the angle member (26), the printed circuit board assembly with respect to (24), a first surface portion of the angle member (26) (26-1) and the connector (25 1, 25
- 2) and are fixed by co-fastening, and on the housing body (21), forms a groove (27) above the second face portion of said angle member (26) (26- 2) is inserted to become, the printed board assembly of the second face portion of said angle member (24) is fixed to (26) (26-2) is supported plugged into the groove (27), and the Cover (23)
The electronic device housing structure, wherein the peripheral portions of the opening windows (23a, 23b) are in close contact with the first surface portion (26-1) of the angle member (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989075949U JPH0710532Y2 (en) | 1989-06-28 | 1989-06-28 | Electronic device housing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989075949U JPH0710532Y2 (en) | 1989-06-28 | 1989-06-28 | Electronic device housing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0316380U JPH0316380U (en) | 1991-02-19 |
| JPH0710532Y2 true JPH0710532Y2 (en) | 1995-03-08 |
Family
ID=31616975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989075949U Expired - Lifetime JPH0710532Y2 (en) | 1989-06-28 | 1989-06-28 | Electronic device housing structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0710532Y2 (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0520057Y2 (en) * | 1985-10-07 | 1993-05-26 | ||
| JPS62103346U (en) * | 1985-12-18 | 1987-07-01 | ||
| JPS62145378U (en) * | 1986-03-06 | 1987-09-12 | ||
| JPS6393673U (en) * | 1986-12-09 | 1988-06-17 |
-
1989
- 1989-06-28 JP JP1989075949U patent/JPH0710532Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316380U (en) | 1991-02-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1833341B (en) | Shielded Cans with Improved EMI Shielding Gasket Construction | |
| US5281169A (en) | Shielded electrical connector assemblies | |
| CN1079591C (en) | electrical adapter | |
| US5227582A (en) | Video amplifier assembly mount | |
| US6554642B1 (en) | Electrical connector | |
| JPH1055859A (en) | Connector with shell | |
| JP3753706B2 (en) | connector | |
| JPH0710532Y2 (en) | Electronic device housing structure | |
| JPH0632411B2 (en) | Electronic device shielded frame | |
| JP3094771B2 (en) | Electronic and communication equipment unit structure | |
| JP2001267775A (en) | Plastic housing for electronic equipment | |
| US6066003A (en) | Blind mate connector | |
| JP3941419B2 (en) | Image forming apparatus | |
| JPH0313793U (en) | ||
| JPH0512958Y2 (en) | ||
| JP3892189B2 (en) | Electromagnetic wave shielding structure of electronic circuit board | |
| JP3346510B2 (en) | Board connector and shield shell used for it | |
| JPH01292765A (en) | Earth plate of connector | |
| JP3235989B2 (en) | Electronic device housing structure | |
| JP4330960B2 (en) | Electronics | |
| JP3197062B2 (en) | High frequency circuit device | |
| JP3263314B2 (en) | Power supply unit structure for preventing conduction and radiation noise interference of electronic device and electronic device having this power supply unit structure | |
| JPH08288683A (en) | Shield structure of package type electronic component unit | |
| JP2002221643A (en) | Structure of optical connector and mounting part of optical connector | |
| JP2002313494A (en) | Cable connector and connecting structure for connector |