JPH071832Y2 - Shield case - Google Patents
Shield caseInfo
- Publication number
- JPH071832Y2 JPH071832Y2 JP5716089U JP5716089U JPH071832Y2 JP H071832 Y2 JPH071832 Y2 JP H071832Y2 JP 5716089 U JP5716089 U JP 5716089U JP 5716089 U JP5716089 U JP 5716089U JP H071832 Y2 JPH071832 Y2 JP H071832Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- locking pieces
- shield case
- case body
- 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
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Mounting Of Printed Circuit Boards And The Like (AREA)
- Structure Of Receivers (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、チューナ等の高周波機器に使用されるシール
ドケースに関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a shield case used for high-frequency equipment such as a tuner.
第４図は従来のシールドケースである。シールドケース
のケース本体１に収納したプリント回路基板２をケース
本体１に固定するには、まずケース本体１の底板３に突
き出した突き出し部4,4にプリント回路基板２を載置す
る。FIG. 4 shows a conventional shield case. In order to fix the printed circuit board 2 housed in the case body 1 of the shield case to the case body 1, first, the printed circuit board 2 is placed on the protruding portions 4, 4 protruding from the bottom plate 3 of the case body 1.
次に、ケース本体１の両側板5,5の一部を切り欠いて設
けられた一対の係止片6,6を内側に折り曲げて、プリン
ト基板２を係止片6,6と突き出し部4,4で挟み、その後こ
れらの各係止片6,6とプリント回路基板２を半田付けし
ていた。Next, the pair of locking pieces 6 and 6 provided by cutting out a part of both side plates 5 and 5 of the case body 1 are bent inward, and the printed circuit board 2 is fixed to the locking pieces 6 and 6 and the protruding portion 4. , 4 and then the respective locking pieces 6, 6 and the printed circuit board 2 were soldered.
しかしながら、このように係止片6,6を折り曲げてプリ
ント回路基板２を挾持する構造にあつては、係止片6,6
を折り曲げた時にプリント回路基板２に無理な力が加わ
り、プリント回路基板２が欠けたり、またプリント回路
基板２全体が変形し破損してしまうおそれがあつた。However, in the structure in which the locking pieces 6 and 6 are bent to hold the printed circuit board 2 in this manner, the locking pieces 6 and 6 are
There is a risk that the printed circuit board 2 will be subjected to an unreasonable force when it is bent, and the printed circuit board 2 may be chipped or the entire printed circuit board 2 may be deformed and damaged.
さらに係止片6,6の折り曲げ角度や、突き出し部4,4の高
さのばらつきにより折り曲げ片6,6がプリント回路基板
２の上面と一致しにくい。このように停止片6,6とプリ
ント回路基板２との間に不均一な隙間７が生じ、このた
め係止片6,6とプリント回路基板２との半田付けが不十
分となり、係止片6,6とプリント回路基板２との安定し
た電気的接続状態が得られないという問題点があつた。Further, due to variations in the bending angle of the locking pieces 6 and the height of the protruding portions 4 and 4, it is difficult for the bending pieces 6 and 6 to coincide with the upper surface of the printed circuit board 2. In this way, a non-uniform gap 7 is formed between the stop pieces 6 and 6 and the printed circuit board 2, so that the soldering between the lock pieces 6 and 6 and the printed circuit board 2 becomes insufficient and the lock pieces There is a problem that a stable electrical connection state between the printed circuit board 2 and the printed circuit board 6 cannot be obtained.
本考案はこのような問題点に鑑みて考案されたものであ
り、プリント回路基板２の破損が生ぜず、電気的接続状
態が安定して電磁シールドの信頼性あるシールドケース
を提供することを目的とする。The present invention has been devised in view of these problems, and an object thereof is to provide a shield case in which the printed circuit board 2 is not damaged, the electrical connection state is stable, and the electromagnetic shield is reliable. And
従つて、本考案に係るシールドケースは、上部が開口し
た有底の金属製ケースであつて、そのシールドケース本
体１内に収納されるプリント回路基板２の上面に当接す
るように該ケースの対向する両側板5,5の内側に切り曲
げ形成された複数個の係止片6,6と、上記プリント回路
基板２を上記係止片6,6に押圧するための治具８を挿入
する治具挿入孔9,9を底板３に備えている。Therefore, the shield case according to the present invention is a bottomed metal case having an open top, and is opposed to the upper surface of the printed circuit board 2 housed in the shield case body 1 so as to face the case. And a jig 8 for pressing the printed circuit board 2 against the locking pieces 6, 6 is inserted into both side plates 5, 5. The bottom plate 3 is provided with tool insertion holes 9, 9.
本考案においては、次のように作用する。 In the present invention, it operates as follows.
シールドケースの底板３に設けられた治具挿入孔9,9か
ら挿入される治具８によつて、プリント回路基板２を下
方から押し上げる。押し上げられたプリント回路基板２
は、その上面がシールドケース両側板5,5の係止片6,6に
当接し、係止片6,6の下面とプリント回路基板２の上面
とが互いに押圧しあつて密着する。The printed circuit board 2 is pushed up from below by the jig 8 inserted from the jig insertion holes 9 provided in the bottom plate 3 of the shield case. Printed circuit board 2 pushed up
Has its upper surface abutted on the locking pieces 6,6 of the shield case both side plates 5,5, and the lower surfaces of the locking pieces 6,6 and the upper surface of the printed circuit board 2 press against each other and adhere to each other.
以下、本考案の一実施例を第１図〜第３図に従い説明す
る。An embodiment of the present invention will be described below with reference to FIGS.
シールドケースのケース本体１は、上部が開口し、下部
に底板３を備えた箱状を成している。The case body 1 of the shield case has a box shape with an upper opening and a bottom plate 3 at the lower part.
この底板３には後述する治具８が挿入される一対の孔9,
9が形成されている。ケース本体１の対向する両側板5,5
には係止片6,6が内側に折り曲げできるようにして形成
されている。なお、ケース本体１内にはセラミツク製の
プリント回路基板２が係止片6,6を形成する前に配され
る。The bottom plate 3 has a pair of holes 9 into which jigs 8 to be described later are inserted,
9 is formed. Both side plates 5, 5 of the case body 1 facing each other
The locking pieces 6, 6 are formed so that they can be bent inward. A printed circuit board 2 made of ceramic is arranged in the case body 1 before the locking pieces 6, 6 are formed.
次に、上記プリント回路基板２を係止片6,6に位置決め
固定する治具８について説明する。Next, the jig 8 for positioning and fixing the printed circuit board 2 on the locking pieces 6, 6 will be described.
第３図は治具８を取り付けた状態にあるケース本体１の
縦断正面図である。プリント回路基板２が配されたシー
ルドケース本体１の底板３の下方側に、一対の突き出し
棒11,11を備えた治具８を配置する。FIG. 3 is a vertical sectional front view of the case body 1 with the jig 8 attached. Below the bottom plate 3 of the shield case body 1 on which the printed circuit board 2 is arranged, a jig 8 provided with a pair of protruding rods 11 and 11 is arranged.
これら各突き出し棒11,11はケース本体１の底板３にあ
る一対の孔9,9の位置に一致させて治具８に立設され、
シールドケース本体１の底板３にある一対の挿入孔9,9
が貫通する太さに形成されている。そして、一対の突き
出し棒9,9は同じ長さであり、プリント基板２を係止片
6,6に押し付けるのに十分な長さを持つている。These protruding rods 11, 11 are erected on the jig 8 so as to match the positions of the pair of holes 9, 9 in the bottom plate 3 of the case body 1.
A pair of insertion holes 9, 9 in the bottom plate 3 of the shield case body 1
Is formed so as to penetrate therethrough. Further, the pair of protruding rods 9 and 9 have the same length, and the printed board 2 is locked by
It is long enough to press on 6,6.
次に、上記プリント回路基板２を係止片6,6に位置決め
固定する工程について説明する。Next, a process of positioning and fixing the printed circuit board 2 on the locking pieces 6, 6 will be described.
ケース本体１の両側板5,5の係止片6,6をケース本体１の
内側に底板３と平行に対峙するように切り曲げる。次
に、ケース本体１を治具８に載せる。この治具８の一部
を成す突き出し棒11,11が底板３に形成されている一対
の孔9,9から挿入される。ケース本体１の底板３に置か
れた状態になつているプリント回路基板２を突き出し棒
11,11で押し上げ、係止片6,6に当接位置決めする。The locking pieces 6,6 of the side plates 5,5 of the case body 1 are cut and bent inside the case body 1 so as to face the bottom plate 3 in parallel. Next, the case body 1 is placed on the jig 8. The protruding rods 11, 11 forming a part of the jig 8 are inserted through the pair of holes 9, 9 formed in the bottom plate 3. Stick out the printed circuit board 2 that is placed on the bottom plate 3 of the case body 1
It is pushed up by 11, 11 and abutting on the locking pieces 6, 6 for positioning.
この時、係止片6,6の下面はシールドケース本体１の自
重によつてプリント基板２の上面を押し付けることにな
る。At this time, the lower surfaces of the locking pieces 6, 6 are pressed against the upper surface of the printed circuit board 2 by the weight of the shield case body 1.
ケース本体１の内側にプリント回路基板２を収納する前
に、クリーム半田10がプリント回路基板２の上面に塗布
される。Before the printed circuit board 2 is housed inside the case body 1, cream solder 10 is applied to the upper surface of the printed circuit board 2.
プリント回路基板２が一対の突き出し棒11,11と係止片
6,6とで挾持されたまま、シールドケース本体１をリフ
ロー炉（図省略）に通し加熱する。The printed circuit board 2 includes a pair of protruding rods 11 and 11 and a locking piece.
While being held between 6 and 6, the shield case body 1 is heated by passing through a reflow furnace (not shown).
治具８を取り付けた状態にあるシールドケース本体１を
リフロー炉から取り出し、冷却すればクリーム半田10は
固化し、係止片6,6とプリント回路基板２とは電気的に
接続された状態で固定される。When the shield case body 1 with the jig 8 attached is taken out from the reflow oven and cooled, the cream solder 10 is solidified, and the locking pieces 6, 6 and the printed circuit board 2 are electrically connected. Fixed.
なお、一対の治具挿入孔9,9および突き出し棒11,11は係
止片6,6にプリント回路基板２を押し付けることが出来
るものであれば、一対に限定することはなく一本であつ
てもよく、又複数であつてもよい。The jig insertion holes 9 and 9 and the protruding rods 11 and 11 are not limited to one pair as long as the printed circuit board 2 can be pressed against the locking pieces 6 and 6. There may be a plurality or a plurality.
同様に係止片6,6も一対に限定することはなく３つ以上
であつてもよい。Similarly, the locking pieces 6, 6 are not limited to a pair, and may be three or more.
さらに、上記半田付けはリフロー炉によるクリーム半田
付け10に限定しなくてもよく、半田ゴテを用いて半田付
けする場合にも用いることができる。Further, the soldering described above is not limited to the cream soldering 10 by the reflow furnace, and can be used when soldering is performed using a soldering iron.
以上のように本考案によれば以下に列記する効果を奏す
る。As described above, according to the present invention, the following effects are obtained.
１）プリント回路基板２は突き出し棒11,11によつて係
止片6,6に押圧されるので、従来のようにプリント回路
基板２に無理な力が加わらず、プリント回路基板２が欠
けることがない。1) The printed circuit board 2 is pressed against the locking pieces 6, 6 by the stick-out rods 11, 11, so that the printed circuit board 2 is not chipped as in the conventional case and the printed circuit board 2 is chipped. There is no.
２）シールドケース本体１の両側板5,5から切り起こし
た係止片6,6にプリント回路基板２の上面が当接して係
止されるので、係止片6,6とプリント回路基板２との間
に大きな隙間が生じることなく、プリント回路基板２は
安定した電気的接続状態をもつてシールドケース１に半
田付けされる。2) Since the upper surface of the printed circuit board 2 is brought into contact with the locking pieces 6, 6 cut and raised from the both side plates 5, 5 of the shield case body 1 to be locked, the locking pieces 6, 6 and the printed circuit board 2 The printed circuit board 2 is soldered to the shield case 1 with a stable electrical connection without a large gap between the printed circuit board 2 and the printed circuit board 2.
したがつて、電磁シールドの信頼性あるシールドケース
を提供する。Therefore, a reliable shield case for the electromagnetic shield is provided.
第１図は本考案のシールドケースの一実施例を示す縦断
正面図、第２図は第１図の係止片の部分を外方から見た
側板の要部側面図、第３図は治具を取り付けた状態を示
す縦断正面図、第４図は従来のシールドケースを示す縦
断正面図である。 １……シールドケース本体、２……プリント回路基板、
３……底板、５……側板、６……係止片、８……治具、
９……治具挿入孔FIG. 1 is a vertical sectional front view showing an embodiment of the shield case of the present invention, FIG. 2 is a side view of a main portion of a side plate when the locking piece portion of FIG. 1 is seen from the outside, and FIG. FIG. 4 is a vertical sectional front view showing a state in which a tool is attached, and FIG. 4 is a vertical sectional front view showing a conventional shield case. 1 ... shield case body, 2 ... printed circuit board,
3 ... bottom plate, 5 ... side plate, 6 ... locking piece, 8 ... jig,
9: Jig insertion hole
Claims (1)
て、そのケース本体内に収納されるプリント回路基板の
上面に当接するように該ケースの対向する両側板の内側
に切り曲げ形成された複数個の係止片と、上記プリント
回路基板を上記各係止片に押圧するための治具を挿入す
る治具挿入孔を底板に備えたことを特徴とするシールド
ケース。1. A bottomed metal case having an open upper part, which is formed by cutting and bending inside both side plates of the case so as to abut the upper surface of a printed circuit board housed in the case body. 2. A shield case, comprising: a plurality of locking pieces, and a jig insertion hole into which a jig for pressing the printed circuit board against each of the locking pieces is inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5716089U JPH071832Y2 (en) | 1989-05-18 | 1989-05-18 | Shield case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5716089U JPH071832Y2 (en) | 1989-05-18 | 1989-05-18 | Shield case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0387U JPH0387U (en) | 1991-01-07 |
| JPH071832Y2 true JPH071832Y2 (en) | 1995-01-18 |
Family
ID=31581624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5716089U Expired - Lifetime JPH071832Y2 (en) | 1989-05-18 | 1989-05-18 | Shield case |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071832Y2 (en) |
-
1989
- 1989-05-18 JP JP5716089U patent/JPH071832Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0387U (en) | 1991-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |