JPH0367793U

JPH0367793U -

Info

Publication number: JPH0367793U
Application number: JP12467489U
Authority: JP
Priority date: 1989-10-25
Filing date: 1989-10-25
Publication date: 1991-07-02
Also published as: KR940002498Y1

Description

[Brief explanation of the drawing]

第１図は、この出願の考案の管体と管体との抜
止め構造の一実施例を示す斜視図。第２図は、同
抜止め構造に使用される、端部の周囲の所々に段
部を設けた状態を示す大径孔部を有する管体、及
び小径孔部を有する管体の斜視図。第３図は、こ
の出願の考案の管体と管体との抜止め構造の他実
施例を示す斜視図。第４図は、同抜止け構造に使
用される、端部の周囲の全体に段部を設けた状態
を示す大径孔部を有する管体、及び小径孔部を有
する管体の斜視図。第５図は、この出願の考案の
管体と管体との抜止め構造の管継手への実施例を
示す図であり、第５図ａはホースが接続されてい
ない状態を示す一部縦断面図、第５図ｂはホース
が接続され、ホースに内圧が加わつた状態を示す
一部縦断面図である。第６図は、従来の管体と管
体との抜止め構造を示す一部縦断面図。１……管体、１ａ……大径孔部、１ｂ……溝、
１ｃ……段部、１ｄ……係止部、２……管体、２
ａ……小径孔部、２ｂ……環状凸部、２ｃ……内
壁面。 FIG. 1 is a perspective view showing an embodiment of the tube-to-tube retaining structure of the invention of this application. FIG. 2 is a perspective view of a tube body having a large-diameter hole and a tube body having a small-diameter hole, both of which are used in the same slip-out prevention structure and show a state in which stepped portions are provided at various places around the end portions. FIG. 3 is a perspective view showing another embodiment of the tube-to-tube retaining structure of the invention of this application. FIG. 4 is a perspective view of a tube body having a large-diameter hole and a tube body having a small-diameter hole, both of which are used in the same slip-out prevention structure and show a state in which a stepped portion is provided all around the end portion. FIG. 5 is a diagram showing an embodiment of the invention of this application applied to a pipe joint with a structure for preventing the pipe from coming out between the pipe bodies, and FIG. The top view and FIG. 5b are partial vertical sectional views showing a state in which the hoses are connected and internal pressure is applied to the hoses. FIG. 6 is a partial longitudinal cross-sectional view showing a conventional structure for preventing the tubes from coming off. 1... Pipe body, 1a... Large diameter hole, 1b... Groove,
1c...Step part, 1d...Locking part, 2...Pipe body, 2
a... Small diameter hole portion, 2b... Annular convex portion, 2c... Inner wall surface.

Claims

[Scope of utility model registration request]

A groove 1b is formed on the end surface of the tube body 1 having the large diameter hole 1a.
An annular locking part 1d is formed on the outer periphery of the tubular body 2 having a small diameter hole 2a, and a locking part 1d is formed by punching out the stepped part 1c on the inner circumference of the groove 1b in the axial direction of the tubular body 1. A structure for preventing the tubes from coming off, characterized by being locked to the inner wall surface 2c of the convex portion 2b.