JPS5924585U - pipe fittings - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is a production sectional view showing a conventional pipe fitting, Fig. 2 is a longitudinal sectional view of a pipe fitting showing an embodiment of the present invention, and Fig. 3 is an exploded perspective view of the pipe fitting shown in Fig. 2. 4 are longitudinal sectional views of a pipe connector showing another embodiment of the present invention. In the figure, 11.12 is a core and 11B. 12'B is a conical surface of the core, 11D and 12D are abutting end faces of the core, IIE is an annular groove, 13.14 is a tube, 13A, 1
4A is the expansion part, 15.16 is the sleeve, 15 people, 16A
17 indicates the conical inner surface of the sleeve, and 17 indicates the cap nut.

Claims (1)

[Claims for Utility Model Registration] 1. A pair of annular cores each inserted into the expanded portions of the tube ends of two tubes to be connected to each other, and a pair of annular cores each engaged with the outer periphery of the expanded portions of both tube ends. the pair of cores have abutting end surfaces that are abutted against each other by a force when the sleeves are tightened; A pipe fitting characterized by: 2 Utility Model Registration Claim 1 In claim 1, the tightening means is rotatably engaged with the outer periphery of the one sleeve and screwed into the outer periphery of the other sleeve in a direction to draw both sleeves toward each other. A pipe connector characterized by being a tightening cap nut. 3. The pipe connector according to claim 1 or 2 of the utility model registration, characterized in that each of the pair of cores has an approximately truncated cone shape. 4 Utility Model Registration Claim 3: The pipe connector according to claim 3, wherein the angle of inclination of the outer circumferential surface of the pair of cores with respect to the central axis is within a range of approximately 5° to 10°. 5. Utility Model Registration The pipe connector according to claim 3, wherein a conical inner surface having an inclination angle substantially equal to an inclination angle of the outer circumferential surface of the core is formed on the inner periphery of both the sleeves.