JPH0213790U

JPH0213790U -

Info

Publication number: JPH0213790U
Application number: JP9155888U
Authority: JP
Priority date: 1988-07-11
Filing date: 1988-07-11
Publication date: 1990-01-29

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す部分分解斜視
図、第２図は組立て途中の状態の縦断面図、第３
図は組立て完了状態の縦断面図、第４図は従来の
プリント板の固定構造を示す部分分解斜視図、第
５図はその組立て状態の縦断面図である。１，１１……上側プリント板、１ａ，１１ａ…
…取付穴、２，１２……下側プリント板、２ａ，
１２ａ……取付穴、３，１３……筐体、４，１５
……ボス、４ａ，１４ａ……ネジ孔、５……テー
パ部、６……リブ、７，１５……スペーサ、７ａ
……縮径部、８……スリツト、９，１６……ネジ
。 Fig. 1 is a partially exploded perspective view showing an embodiment of the present invention, Fig. 2 is a vertical cross-sectional view of a state in the middle of assembly, and Fig. 3 is a partially exploded perspective view showing an embodiment of the present invention.
4 is a partially exploded perspective view showing a conventional printed board fixing structure, and FIG. 5 is a longitudinal sectional view of the assembled state. 1, 11... Upper printed board, 1a, 11a...
...Mounting hole, 2,12...Lower printed board, 2a,
12a... Mounting hole, 3, 13... Housing, 4, 15
... Boss, 4a, 14a ... Screw hole, 5 ... Tapered part, 6 ... Rib, 7, 15 ... Spacer, 7a
...Reduced diameter part, 8...Slit, 9, 16...Screw.

Claims

[Scope of utility model registration request]

The two printed boards are separated vertically by a spacer, and the screws that pass through the printed boards and the spacer are screwed into the bosses provided on the casing, thereby fixing the two printed boards in a state where they are spaced apart in two stages, upper and lower. In the fixed structure, the boss has an upper end tapered so that the diameter of the upper end is approximately equal to the inner diameter of a mounting hole formed in the upper printed board, and a rib that supports the lower printed board at the lower end. The spacer is formed into a conical tube shape that can be fitted into the tapered part of the boss, and is deformable in the radial direction by a slit provided in a part of the circumference, and the lower end thereof is formed into a cylindrical shape that can fit into the tapered part of the boss. A reduced diameter part is provided with a slightly smaller diameter than the mounting hole, and when the screw is screwed into the screw hole of the boss, the diameter of the spacer is expanded and the reduced diameter part is pressed into contact with the mounting hole of the lower printed board, and at the same time. A fixed structure for a printed board, characterized in that the upper end of the tapered portion of the boss is fitted into a mounting hole of an upper printed board.