JPS60133215U - Screwed structure - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図及び第２図は従来のねじ止め構造を示す側面図、
第３図及び第４図はこの考案のねじ止め構造の一実施例
を示し、第３図は緊締前の状態の　゛側面図、−第４図
は緊締後の状態の側面図である。 ３・・・座金、５・・・被緊締体、１０・・・頭部、１
１・・・座面、１２・・・凹部、Ｄ・・・頭部の外径、
ｄ・・・座金の外径。Figures 1 and 2 are side views showing a conventional screw fastening structure;
3 and 4 show one embodiment of the screw fastening structure of this invention, FIG. 3 is a side view of the state before tightening, and FIG. 4 is a side view of the state after tightening. 3... Washer, 5... Body to be tightened, 10... Head, 1
1... Seat surface, 12... Concave portion, D... Outer diameter of head,
d...Outer diameter of washer.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）　　ねじの頭部の外径をゆるみ止め用の座金の外
径よりも大きく形成し、前記座金を収容する凹部を座面
側に形成し、前記凹部に前記座金を収容して座金を押圧
すると共に前記凹部の外側で前記頭部の座面を被緊締体
の面に圧接して緊締することを特徴とするねじ止め構造
。(1) The outer diameter of the head of the screw is formed to be larger than the outer diameter of the locking washer, a recess for accommodating the washer is formed on the seat surface side, and the washer is accommodated in the recess. A screw fastening structure characterized in that the seat surface of the head is pressed against the surface of the object to be tightened on the outside of the recessed portion and tightened. （２）凹部をねじの頭部の座面に形成したことを特徴と
する実用新案登録請求の範囲第（１）項記載のねじ止め
構造。(2) The screw fastening structure according to claim (1), which is characterized in that a recess is formed in the seat surface of the head of the screw. （３）凹部をねじの頭部の座面に対向する被緊締体に形
成したことを特徴とする実用新案登録請求の範囲第（１
）項記載のねじ止め構造。(3) Utility model registration claim No. 1 (1) characterized in that a concave portion is formed in the tightened body facing the bearing surface of the screw head.
) Screw-fastening structure as described in item ).