JPH02124395U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a diagram showing a flexible pipe connected to a flexible pipe joint according to an embodiment of the present invention. FIG. 2 is a longitudinal cross-sectional view of a flexible pipe connected to a conventional flexible pipe joint. FIG. 3 is a front view of the sleeve. 1... Joint body, 2... Packing, 3... Sleeve, 4... Cap nut, 5... Packing, 6...
Packing, 9... Flexible tube, 11... Collar, 12, 13... Male thread, 31... Collar, 42
……saliva.

Claims (1)

[Claims for Utility Model Registration] A flexible pipe joint for connecting resin-coated flexible pipes to one end, which has an axial through hole consisting of a large diameter hole, a small diameter hole, and a stepped portion between the large and small diameter holes. The diameter hole consists of an outwardly expanding tapered hole and an annular groove dug deep inside the hole, and a continuous annular protrusion that sharply projects toward the large diameter hole is formed at the stepped portion, and a continuous annular protrusion that sharply projects toward the large diameter hole on the outer peripheral surface a joint body having a thread at the end; an annular packing made of an elastic body attached to an annular groove of the joint body; The sleeve has a tapered shape that fits into the large-diameter tapered hole of the joint body and has a collar on the large-diameter end, and this part is separated by a radial notch, and a sleeve that is approximately cylindrical and has one end of the inner circumferential surface. A cap nut has a female thread on its side that is screwed into the male thread of the joint body, a collar on the other end of the inner circumferential surface, and an annular groove cut in the inner circumferential surface of the collar; A flexible pipe joint comprising an elastic body attached to an annular groove and a packing having a T-shaped or L-shaped cross section.