JPH0119426Y2 - - Google Patents
Info
- Publication number
- JPH0119426Y2 JPH0119426Y2 JP5098083U JP5098083U JPH0119426Y2 JP H0119426 Y2 JPH0119426 Y2 JP H0119426Y2 JP 5098083 U JP5098083 U JP 5098083U JP 5098083 U JP5098083 U JP 5098083U JP H0119426 Y2 JPH0119426 Y2 JP H0119426Y2
- Authority
- JP
- Japan
- Prior art keywords
- board
- adhesive
- case
- directions
- back surface
- 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
- 239000000853 adhesive Substances 0.000 claims description 19
- 230000001070 adhesive effect Effects 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 239000000758 substrate Substances 0.000 description 4
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Description
【考案の詳細な説明】
イ 考案の分野
本考案は密閉型のリレー等の電気機器の密封構
造に関する。[Detailed Description of the Invention] A. Field of the Invention The present invention relates to a sealed structure for electrical equipment such as a sealed relay.
ロ 公知技術とその問題点
従来密閉型の小型リレー等において、基板とケ
ース及び基板と基板を貫通している端子金具との
間の封止には第１図に示すような構造が用いられ
ていた。この図で１が基板、２がケース、３が端
子金具である。第１図Ａの例は基板１のケース２
の縁に囲まれた裏面全体に樹脂接着剤５を流し込
んで固めたもので、接着剤５が多量に必要で固化
にも時間を要した。この点を改善したのが第１図
Ｂの構成で、基板１の周縁に段４を設け、端子金
具３はこの段面において基板１を貫通させ、ケー
ス２の縁とこの段部とで形成される溝に接着剤５
を流し込むようにしたものである。この構成によ
ると接着剤５は少量ですみ、従つて固化も速くな
るが、接着剤５を注入する場所がせまい上、端子
金具３が立つているので、接着剤５が端子金具３
につくおそれがあり、接着剤５がケース２の外面
にこぼれるようなこともあつて商品外観を悪くす
るとともに、接着剤５の注入作業がやりにくかつ
た。B. Known technologies and their problems Conventionally, in sealed small relays, etc., the structure shown in Figure 1 has been used to seal between the board and the case, and between the board and the terminal fittings penetrating the board. Ta. In this figure, 1 is a board, 2 is a case, and 3 is a terminal fitting. The example in Figure 1A is case 2 of board 1.
A resin adhesive 5 was poured onto the entire back surface surrounded by the edges of the holder and hardened.A large amount of the adhesive 5 was required and it took time to harden. This point has been improved with the configuration shown in FIG. 1B, in which a step 4 is provided at the periphery of the board 1, the terminal fitting 3 is passed through the board 1 at this step surface, and is formed by the edge of the case 2 and this step. Glue 5 in the groove
It was designed so that it would flow. According to this configuration, a small amount of the adhesive 5 is required, and therefore, it hardens quickly, but since the place where the adhesive 5 is injected is small and the terminal fitting 3 is standing, the adhesive 5 is applied to the terminal fitting 3.
There was a risk that the adhesive 5 would stick to the case 2, and the adhesive 5 could spill onto the outer surface of the case 2, degrading the appearance of the product and making it difficult to inject the adhesive 5.
ハ 目的
本考案は上述した従来の密閉型電気機器の欠点
を改善し、接着剤が端子金具に付着したりするこ
とがなく、美観も損うこともなく、しかも注入作
業が容易な密閉型電気機器を提供することを目的
としている。C. Purpose The present invention improves the drawbacks of the conventional sealed electrical equipment mentioned above, and provides a sealed electrical equipment that does not allow adhesive to adhere to the terminal fittings, does not damage the aesthetics, and is easy to inject. The purpose is to provide equipment.
ニ 構成
本考案は上記目的を達成するために、基板裏面
を四方に向かつて下り傾斜となる４つのテーパー
面を有する屋根形に形成し、この基板の周辺部と
ケースの縁部とで形成される三角状断面の溝に接
着剤を注入固化させた構成をとる。D. Structure In order to achieve the above object, the present invention forms the back surface of the board into a roof shape having four tapered surfaces that slope downward in all directions, and the periphery of this board and the edge of the case form a roof shape. The adhesive is injected into a groove with a triangular cross section and solidified.
ホ 実施例
第２図に本考案の一実施例を示す。１は基板、
２は開口部に基板１が装着されたケースで、３は
基板１の周辺部で基板を貫通している端子金具で
ある。基板１の裏面は図に見えるように中心点か
ら四隅に伸びる稜線Ｌを有しており、中央から四
方に向かつて下り傾斜となる４つのテーパー面か
らなるいわゆる寄せ棟式の屋根形になつている。
このような基板形状で第２図Ｂに示すように基板
裏面の中心部に接着剤５を滴下すると、接着剤５
は自然に四方に流れてケース２の縁と基板１の周
辺部とで形成される三角状断面の溝Ｔに溜り、そ
こで固化して封止を完成する。E. Embodiment FIG. 2 shows an embodiment of the present invention. 1 is the board,
2 is a case in which the board 1 is attached to the opening, and 3 is a terminal fitting that penetrates the board at the periphery of the board 1. As shown in the figure, the back side of the board 1 has a ridge line L extending from the center point to the four corners, and has a so-called hipped roof shape consisting of four tapered surfaces that slope downward in all directions from the center. There is.
When the adhesive 5 is dropped onto the center of the back surface of the substrate as shown in FIG. 2B with such a substrate shape, the adhesive 5
It naturally flows in all directions and collects in the groove T having a triangular cross section formed by the edge of the case 2 and the peripheral part of the substrate 1, where it solidifies and completes the sealing.
第３図は本考案の他の実施例を示し、基板裏面
を中央稜線ｌを持つ屋根形としたもので、機能的
には第２図の実施例と全く同じである。 FIG. 3 shows another embodiment of the present invention, in which the back surface of the substrate is roof-shaped with a central ridge line l, and is functionally exactly the same as the embodiment shown in FIG.
ヘ 効果
本考案によれば、接着剤は基板裏面の中央部に
滴下すれば自然に四方に流れて必要箇所を封止す
るので、接着剤の注入場所が広く作業がやり易い
うえ、接着剤が端子金具に付着することがなく、
また接着剤がケース外にこぼれて美観を損うこと
もなく、接着剤の量もすくなくてすむという効果
がある。F. Effects According to the present invention, if the adhesive is dropped onto the center of the back of the board, it will naturally flow in all directions and seal the necessary areas, so the adhesive injection area is wide and the work is easy to do, and the adhesive is Does not adhere to terminal fittings,
Furthermore, the adhesive does not spill out of the case and spoil the aesthetic appearance, and the amount of adhesive is also reduced.
第１図Ａ，Ｂは夫々異なる従来例の断面図、第
２図は本考案の一実施例を示し、同図Ａは斜視
図、同図Ｂは断面図、第３図は本考案の他の実施
例を示す斜視図である。
１……基板、２……ケース、３……端子金具、
５……接着剤。
Figures 1A and B are sectional views of different conventional examples, Figure 2 shows an embodiment of the present invention, Figure A is a perspective view, Figure B is a sectional view, and Figure 3 is a different example of the invention. It is a perspective view showing an example of this. 1... Board, 2... Case, 3... Terminal fitting,
5...Adhesive.
Claims (1)
板とを備え、上記基板裏面を四方に向つて下り傾
斜となる４つのテーパー面を有する屋根形に形成
し、この基板の周辺部とケースの縁によつて形成
される三角状断面の溝に接着剤を注入固化させて
なる密閉型電気機器。 It comprises a case and a board attached to the opening of the case, the back surface of the board is formed into a roof shape with four tapered surfaces sloping downward in all directions, and the peripheral part of the board and the edge of the case are formed. A sealed electrical device made by injecting adhesive into a groove with a triangular cross section and solidifying it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5098083U JPS59155781U (en) | 1983-04-05 | 1983-04-05 | Sealed electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5098083U JPS59155781U (en) | 1983-04-05 | 1983-04-05 | Sealed electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59155781U JPS59155781U (en) | 1984-10-19 |
| JPH0119426Y2 true JPH0119426Y2 (en) | 1989-06-05 |
Family
ID=30181410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5098083U Granted JPS59155781U (en) | 1983-04-05 | 1983-04-05 | Sealed electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155781U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2629493B1 (en) | 2010-10-12 | 2018-12-26 | NEC Corporation | Housing for electronic device |
-
1983
- 1983-04-05 JP JP5098083U patent/JPS59155781U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59155781U (en) | 1984-10-19 |
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