JPS63187707U

JPS63187707U -

Info

Publication number: JPS63187707U
Application number: JP7814987U
Authority: JP
Priority date: 1987-05-26
Filing date: 1987-05-26
Publication date: 1988-12-01

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す筐体の縦断面
図、第２図は第１図に示す筐体のねじ取付部の拡
大断面図、第３図は第１図に示すねじ取付部を
―線に沿つて切断して見た斜視図、第４図はね
じを締め込んだ状態のねじ取付部の断面図、第５
図は本考案の他の実施例を示す筐体のねじ取付部
の断面図、第６図は従来の筐体のねじ取付部の構
造を示す断面図、第７図はねじの供給ミス状態を
示す従来のねじ取付部の断面図、第８図はねじの
適正供給状態を示す従来のねじ取付部の断面図で
ある。図において、１１は筐体、１２は下カバー、１
３は上カバー、１４，１５はボス、１６はねじ、
１８は凹部、１９はねじ挿通穴、２０はねじ案内
リブ、２０ａはリブの斜辺をそれぞれ示す。 Figure 1 is a vertical cross-sectional view of a housing showing an embodiment of the present invention, Figure 2 is an enlarged cross-sectional view of the screw attachment part of the housing shown in Figure 1, and Figure 3 is the screw attachment shown in Figure 1. Fig. 4 is a sectional view of the screw mounting part with the screw tightened;
The figure is a cross-sectional view of the screw attachment part of the housing showing another embodiment of the present invention, FIG. FIG. 8 is a cross-sectional view of a conventional screw mounting portion showing a proper supply state of screws. In the figure, 11 is the housing, 12 is the lower cover, 1
3 is the upper cover, 14 and 15 are the bosses, 16 is the screw,
Reference numeral 18 indicates a recess, 19 indicates a screw insertion hole, 20 indicates a screw guide rib, and 20a indicates an oblique side of the rib.

Claims

[Claims for Utility Model Registration] A housing having a cylindrical recess 18 that opens on the surface of the housing 11 and receives the head of the screw 16, and a screw insertion hole 19 that opens on the bottom of the recess 18. In the screw mounting portion, a plurality of screw guide ribs 20 are arranged in a radial manner in the recess 18 and have oblique sides 20a that extend from the inner surface of the recess toward the periphery of the screw insertion hole 19 on the bottom surface of the recess. The structure of the screw attachment part of the casing is characterized by: