JPS608503U

JPS608503U - Extendable axoid locking device

Info

Publication number: JPS608503U
Application number: JP10044283U
Authority: JP
Inventors: 寺阪　一虎
Original assignee: 東洋金属化工株式会社
Priority date: 1983-06-29
Filing date: 1983-06-29
Publication date: 1985-01-21
Also published as: JPH047373Y2

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 the drawing]

第１図は従来例の断面平面図、第２図は他の従来例の要
部の部分断面正面図、第３図は第２図のＡ−Ａ断面図、
第４図乃至第９図は本考案の一実施例を示し、第４図は
正面図、第５図は要部の拡大縦断正面図、第６図は第５
図のＢ−Ｂ断面図、第７図は第６図のＣ−Ｃ断面図、第
８図は第５図のＤ−Ｄ断面図、第９図は第５図のＥ−Ｅ
断面図、第１０図ａ、　　ｂ、　　ｃは架設時の操作手
順の説明図、第１１図及び第１２図は軸杆体の使用例を
示す正面図である。２０は架設軸様体、２１は外軸、２２は内軸、３１はロ
ック装置、３２はナツト部材、３３はボルト（ねじ軸）
、３５は筒状カム体、３６．３９はカム面、３８は係止
カム体、４０は係止部、４３は刃。Fig. 1 is a sectional plan view of a conventional example, Fig. 2 is a partial sectional front view of main parts of another conventional example, and Fig. 3 is a sectional view taken along line A-A in Fig. 2.
4 to 9 show one embodiment of the present invention, FIG. 4 is a front view, FIG. 5 is an enlarged vertical sectional front view of the main part, and FIG.
7 is a sectional view taken along C-C in FIG. 6, FIG. 8 is a sectional view taken along DD in FIG. 5, and FIG.
The cross-sectional view, FIGS. 10a, b, and c are explanatory diagrams of the operating procedure during erection, and FIGS. 11 and 12 are front views showing an example of how the shaft rod is used. 20 is an erection shaft-like body, 21 is an outer shaft, 22 is an inner shaft, 31 is a locking device, 32 is a nut member, 33 is a bolt (screw shaft)
, 35 is a cylindrical cam body, 36, 39 is a cam surface, 38 is a locking cam body, 40 is a locking portion, and 43 is a blade.

Claims

[Scope of utility model registration request]

A screw shaft extends from the insertion end side of the inner shaft which is inserted into and removably inserted into the outer shaft, and a cylindrical cam body having a cam surface inclined with respect to the shaft center is loosely fitted onto the screw shaft, A locking cam body having a cam surface corresponding to the cam surface and a locking portion that elastically engages with the inner surface of the outer shaft is provided, and either the locking cam body or the insertion end side of the inner shaft is provided. The screw shaft is fixed to one end, the screw shaft is screwed to the other end, and a blade is provided on the outer periphery of the cylindrical cam body or the locking cam body, the blade being inclined in the direction of insertion of the inner shaft. A locking device for the rod.