JPS5853912U

JPS5853912U - bolt device

Info

Publication number: JPS5853912U
Application number: JP15051281U
Authority: JP
Inventors: 後藤　雅夫
Original assignee: 三菱電機株式会社
Priority date: 1981-10-08
Filing date: 1981-10-08
Publication date: 1983-04-12

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) [Abstract] 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 drawings]

第１図は従来のボルトを示す側面図、第２図は第１図の
正面図、第３図はこの考案に係るボルト装置の一実施例
を示す側面図、第４図は第３図９正面図、第５図はこの
考案に係るボルト装置を被締付物に通用した状態を示す
部分断面側面図、第６図は第５図の正面図である。図においてζ１はボルト、１０１はねじ部、１０２は頭
部、１０３は貫通孔、２は脱落防止用ピン、２０１は軸
部、２０２は板ばね、２０３は頭部、３は締付部、３０
１はねピ孔、４は被締付物、４０１は貫通孔である。な
お、各図中同一部分には同一符号を付している。Fig. 1 is a side view showing a conventional bolt, Fig. 2 is a front view of Fig. 1, Fig. 3 is a side view showing an embodiment of the bolt device according to this invention, and Fig. 4 is Fig. 3. 5 is a partially sectional side view showing the state in which the bolt device according to the invention is applied to an object to be fastened, and FIG. 6 is a front view of FIG. 5. In the figure, ζ1 is a bolt, 101 is a threaded part, 102 is a head, 103 is a through hole, 2 is a fall prevention pin, 201 is a shaft, 202 is a leaf spring, 203 is a head, 3 is a tightening part, 30
1 is a pin hole, 4 is an object to be tightened, and 401 is a through hole. Note that the same parts in each figure are given the same reference numerals.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

１　ねじ孔！こ螺合するねじ部を有し軸方向に貫通孔が
設けられたボルト、および前記貫通孔に挿入され前記ボ
ルトの軸方向の全長より長い軸部と前記軸部の先端部に
中央部分が固定され全長が前記ねじ部の直径よ６長い板
ばねとからなる脱落防止用ピンを備えたボルト装置。　
　　−２脱落防止用ピンの軸部の後端部には、貫通孔の
直径よりも長い直径の頭部が設けられている実用新案登
録請求の範囲第１項記載のボルト装置。1 Screw hole! A bolt having a threaded portion that is screwed into the bolt and having a through hole in the axial direction, a shaft portion that is inserted into the through hole and is longer than the entire length of the bolt in the axial direction, and a central portion fixed to the tip of the shaft portion. A bolt device equipped with a falling-off prevention pin consisting of a leaf spring whose total length is 6 times longer than the diameter of the threaded portion.
-2 The bolt device according to claim 1, wherein the rear end of the shaft of the falling-off prevention pin is provided with a head having a diameter longer than the diameter of the through hole.