JPS6234487U

JPS6234487U -

Info

Publication number: JPS6234487U
Application number: JP12608685U
Authority: JP
Priority date: 1985-08-20
Filing date: 1985-08-20
Publication date: 1987-02-28

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す要部断面図、
第２図ａ，ｂは第１のカラーの平面図および正面
図、第３図ａ，ｂは第２のカラーの拡大平面図お
よび拡大正面図、第４図はボス部の要部正面図で
ある。１……筐体、２……ボス部、３，４，５……プ
リント基板、６……小径部、７……リブ、８，９
……基板固定用孔、１０……段差面、１１……第
１のカラー、１４……第２のカラー、１５……割
り溝、１６，１７……小径部、１８……基板固定
用孔、２０……止めねじ。 FIG. 1 is a cross-sectional view of essential parts showing an embodiment of the present invention;
Figures 2a and b are a plan view and a front view of the first collar, Figures 3a and b are an enlarged plan view and an enlarged front view of the second collar, and Figure 4 is a front view of the main part of the boss. be. 1... Housing, 2... Boss part, 3, 4, 5... Printed circuit board, 6... Small diameter part, 7... Rib, 8, 9
...Board fixing hole, 10...Step surface, 11...First collar, 14...Second collar, 15...Split groove, 16, 17...Small diameter part, 18...Board fixing hole , 20... Set screw.

Claims

[Scope of utility model registration request]

The tip small diameter portion of the boss portion protruding from the inner surface of the casing is fitted into the board fixing hole provided on the first printed circuit board halfway into the hole, and the stepped surface of the tip portion of the boss portion A collar that supports a first printed circuit board and is interposed between the first printed circuit board and the second printed circuit board is provided with small diameter portions at both ends thereof, and a groove is provided on the circumferential surface so that both ends of the collar have small diameter portions. are fitted into the board fixing holes of the first and second printed circuit boards, respectively, and a set screw is inserted into the collar and screwed into the boss part, thereby fixing the first printed circuit board to the collar. At the same time, the second printed circuit board is fixed to the first printed circuit board via the collar, and the outer diameter of each small diameter portion of the collar is set to the first and second printed circuit boards. A fixing structure for a printed circuit board, characterized in that the diameter of the hole for fixing the printed circuit board is set larger than that of the hole for fixing the printed circuit board.