JPS58167304U

JPS58167304U - Fastening member

Info

Publication number: JPS58167304U
Application number: JP6509482U
Authority: JP
Inventors: 正人宮本
Original assignee: Individual
Current assignee: Individual
Priority date: 1982-05-06
Filing date: 1982-05-06
Publication date: 1983-11-08

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

[Brief explanation of drawings]

第１図は本考案−実施例の側面図、第２図は第９図Ｘ方
向からの矢視図、第３図は第９図Ｘ方向からの矢視図、
第４図は本考案−実施例の縦断面図、第５図は第４図■
−■線に沿う断面図、第６図は回転工具の側面図、第７
図は第６図■部の拡大図、第８図は第７．図■方向から
の矢視図、第９図は拡開用ブロックの半載図、第１０図
は第９図Ｘ方向からの矢視図、第１１図は本考案に係る
締着用部材の装着相手部への装着初期の説明図、第１２
図は同装着後期の説明図、第１３図、第１４図は本考案
に係る締着用部材による被取付物の保持の説明図である
。１は締着本体、１２はカッタ、２４は拡開用ブローツク
。FIG. 1 is a side view of the present invention-embodiment, FIG. 2 is a view taken from the X direction in FIG. 9, and FIG. 3 is a view taken from the X direction in FIG.
Figure 4 is a vertical cross-sectional view of the present invention - an example, and Figure 5 is Figure 4.
- sectional view along the line, Figure 6 is a side view of the rotary tool, Figure 7 is a side view of the rotating tool.
The figure is an enlarged view of part ■ in Figure 6, and Figure 8 is an enlarged view of part 7 in Figure 6. Fig. 9 is a partially loaded view of the expansion block; Fig. 10 is a view of Fig. 9 as seen from the X direction; Fig. 11 is the attachment of the fastening member according to the present invention. Explanatory diagram of the initial stage of attachment to the mating part, No. 12
The figure is an explanatory diagram of the latter stage of the attachment, and FIGS. 13 and 14 are explanatory diagrams of the holding of the object to be attached by the fastening member according to the present invention. 1 is the tightening body, 12 is the cutter, and 24 is the expansion block.

Claims

[Scope of utility model registration request]

(1) A blade part 13 is formed at the tip of the fitting shaft part 14, and a retaining part 15 is provided on the fitting shaft part 14, with which the thread part 17 and the main engaging part 22 of the rotary tool are removably engaged. The cutters 1 and 2 are formed concentrically and have a crimping widening portion 26 formed on the front side of the cylindrical main portion 2, and the cylindrical main portion is slidably fitted into the fitting shaft portion 14 of the cutter 12. The tip of the cylindrical main part 2 is expanded outwardly in contact with the crimping expansion part 26 by a force in the direction of inserting the cylindrical main part 2 into the mounting hole C of the mounting partner B, and the cylindrical main part 2 is expanded outwardly onto the circumferential surface of the mounting hole C. A crimping part 5 for crimping is provided, a press-fitting part 3 is provided at the rear of the cylindrical main part 2 to be press-fitted into the mounting hole C, and a chip discharge part 9 and a split groove 30 are formed on the periphery of the cylindrical main part 2. Further, a fastening body 1 having a conical surface portion 4 formed at the rear of the cylindrical main portion 2, a bolt 25 screwed into the threaded portion 17 of the cutter 13, and a bolt 25 that is slidable on the conical surface portion 4 of the fastening body 1. The tightening body 1 is pressed by the screwing of the nut 28 which is fitted and screwed onto the bolt 25.
A fastening member comprising an expansion block 24 for expanding a press-fitting part 3 and crimping the press-fitting part 3 onto the circumferential surface of a mounting hole C.

(2) Cutter 12 molded from ceramic material
- The fastening member according to description 1 of the utility model registration claim used.