JPS6067406U

JPS6067406U - Extendable axoid locking device

Info

Publication number: JPS6067406U
Application number: JP16081583U
Authority: JP
Inventors: 寺阪　一虎
Original assignee: 東洋金属化工株式会社
Priority date: 1983-10-17
Filing date: 1983-10-17
Publication date: 1985-05-13
Also published as: JPH0317047Y2

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１２図は本考案の一実施例を示し、第４図
は正面図、第５図は押圧回転体部の上部を断面して示し
た拡大正面図、第６図はロック装置の拡大縦断正面図、
第７図は第６図のＢ−Ｂ断面図、第８図は第６図のＣ−
Ｃ断面−図、第９図は第６図のＤ−Ｄ断面図、第１０図
は筒状カム体の拡大縦断正面図、第１１図は刃の正面図
、第１２図ａ、　ｂ、　ｃは架設時の操作手順の説明図
、第１３図及び第１４図は軸様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、４４は溝。＼２１ｂ　　　　　　　　　２１ □□□□□二二□ ０ノ　　丁　’Ｌ１７２５Fig. 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 12 show an embodiment of the present invention, in which FIG. 4 is a front view, FIG. 5 is an enlarged front view showing a section of the upper part of the pressing rotary body, and FIG. 6 is a locking device. Enlarged vertical front view of
Fig. 7 is a sectional view taken along line B-B in Fig. 6, and Fig. 8 is a cross-sectional view taken along C-B in Fig. 6.
9 is a sectional view taken along line DD in FIG. 6, FIG. 10 is an enlarged longitudinal sectional front view of the cylindrical cam body, FIG. 11 is a front view of the blade, and FIG. 12 a, b, c. 13 and 14 are front views showing an example of the use of the axis-like body. 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, 43 is a blade, and 44 is a groove. \21b 21 □□□□□22□ 0 no ding 'L1 725

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 side, the screw shaft is screwed to the other side, and a groove is cut into the outer periphery of the cylindrical cam body or the locking cam body, which is inclined in the direction of insertion of the inner shaft,
A locking device for an extensible shaft-like body, characterized in that a blade thinner than the width of the groove is fitted loosely.