JPS61179754U - - Google Patents
Info
- Publication number
- JPS61179754U JPS61179754U JP6403985U JP6403985U JPS61179754U JP S61179754 U JPS61179754 U JP S61179754U JP 6403985 U JP6403985 U JP 6403985U JP 6403985 U JP6403985 U JP 6403985U JP S61179754 U JPS61179754 U JP S61179754U
- Authority
- JP
- Japan
- Prior art keywords
- insulating
- heat sink
- hole
- insulating sheet
- transistor
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は、上記考案の一実施例を説明する締付
ねじ部の拡大断面図、第２図は、上記考案の他の
実施例を説明する締付ねじ部の拡大断面図、第３
図は、従来のトランジスタの取付構造を説明する
ための図で、同図ａは外観斜視図、ｂは側断面図
、ｃはトランジスタ取付部の拡大断面図である。
図において、１はプリント板、２は放熱板、３
は絶縁シート、４はトランジスタ、５，７，１０
は絶縁ブツシユ、６は締付ねじ、８はばね座金、
９は座金、１１はスルーホール、２１はねじ孔、
２２は座ぐり部、３１は絶縁シートの孔、をそれ
ぞれ示す。
FIG. 1 is an enlarged cross-sectional view of the tightening screw portion illustrating one embodiment of the above device, FIG. 2 is an enlarged sectional view of the tightening screw portion illustrating another embodiment of the above device, and FIG.
The figures are diagrams for explaining a conventional transistor mounting structure, in which a is an external perspective view, b is a side sectional view, and c is an enlarged sectional view of the transistor mounting part. In the figure, 1 is a printed board, 2 is a heat sink, and 3 is a printed board.
is an insulating sheet, 4 is a transistor, 5, 7, 10
is an insulating bushing, 6 is a tightening screw, 8 is a spring washer,
9 is a washer, 11 is a through hole, 21 is a screw hole,
Reference numeral 22 indicates a counterbore, and reference numeral 31 indicates a hole in the insulating sheet.
Claims (1)
縁シート３と絶縁ブツシユ５を介して螺着固定す
る構造において、 前記絶縁ブツシユ７，１０の先端が絶縁シート
３の孔３１より奥に入り込む長さに形成し、 前記放熱板２のねじ孔２１の上部に、前記絶縁
ブツシユ７，１０の嵌入する座ぐり２２を形成し
たことを特徴とするトランジスタの取付構造。[Claims for Utility Model Registration] In a structure in which two or more transistors 4 are screwed and fixed to the same heat sink 2 via an insulating sheet 3 and an insulating bush 5, the tips of the insulating bushes 7 and 10 are connected to the insulating sheet 3 A mounting structure for a transistor, characterized in that a counterbore 22 is formed in the upper part of the screw hole 21 of the heat sink 2, and has a length that extends deeper than the hole 31, into which the insulating bushings 7 and 10 fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6403985U JPH0316291Y2 (en) | 1985-04-27 | 1985-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6403985U JPH0316291Y2 (en) | 1985-04-27 | 1985-04-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61179754U true JPS61179754U (en) | 1986-11-10 |
| JPH0316291Y2 JPH0316291Y2 (en) | 1991-04-08 |
Family
ID=30594743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6403985U Expired JPH0316291Y2 (en) | 1985-04-27 | 1985-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0316291Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020003423A1 (en) * | 2018-06-27 | 2020-01-02 | 三菱電機株式会社 | Power supply device |
-
1985
- 1985-04-27 JP JP6403985U patent/JPH0316291Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020003423A1 (en) * | 2018-06-27 | 2020-01-02 | 三菱電機株式会社 | Power supply device |
| JPWO2020003423A1 (en) * | 2018-06-27 | 2021-04-22 | 三菱電機株式会社 | Power supply |
| US11772829B2 (en) | 2018-06-27 | 2023-10-03 | Mitsubishi Electric Corporation | Power supply device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0316291Y2 (en) | 1991-04-08 |
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