JPH0448635U

JPH0448635U -

Info

Publication number: JPH0448635U
Application number: JP9065790U
Authority: JP
Priority date: 1990-08-31
Filing date: 1990-08-31
Publication date: 1992-04-24

Description

[Brief explanation of the drawing]

第１図は本考案に係る一実施例を示す断面図、
第２図ａはヒートシンクの平面図、第２図ｂはそ
の正面図、第２図ｃはその左側面図、第３図ａは
押付け金具の正面図、第３図ｂはその平面図、第
３図ｃはその左側面図、第３図ｄはその底面図、
第４図及び第５図はそれぞれ従来例を示す断面図
である。１……パワートランジスタ、２……基板、３…
…ヒートシンク、４ａ，４ｂ，４ｃ……切り欠き
部、５……押付け金具、５ａ……押さえ部、５ｂ
……締付け部、６……ビス。 FIG. 1 is a sectional view showing an embodiment of the present invention;
Fig. 2a is a plan view of the heat sink, Fig. 2b is a front view thereof, Fig. 2c is a left side view thereof, Fig. 3a is a front view of the pressing fitting, Fig. 3b is a plan view thereof, Figure 3c is its left side view, Figure 3d is its bottom view,
FIGS. 4 and 5 are sectional views showing conventional examples, respectively. 1...Power transistor, 2...Substrate, 3...
...heat sink, 4a, 4b, 4c...notch part, 5...pressing metal fitting, 5a...pressing part, 5b
...Tightening part, 6...screws.

Claims

[Claims for Utility Model Registration] A pressing fitting for pressing a power transistor against a heat sink, one end of which is bent into a U-shape, and a holding portion that presses the power transistor toward the heat sink with the bent side; The other end has at least the thickness of the heat sink and is folded back to the same side as the one end, and by being folded back, a screw insertion hole and a screw hole are respectively formed at the opposing parts, and a screw hole and a screw hole are formed in the vicinity of these. A power transistor pressing fitting comprising: a tightening part that holds a heat sink in between and tightens and holds it with a screw;