Pipe joint

Abstract

A pipe joint having a construction such that when a retainer is pseudo-locked, it is clearly shown that the female and male joint members are in an incomplete joined state, the joint having a high pressure resisting strength. The joint comprises a first rib (58a, 58b) having a first end edge (60a) on one end side that, when a retainer (56) is pushed in with a male joint member (54) completely inserted in a female joint member (52), engages the spool portion (20) of the male joint member (54) to prevent backward axial movement of the male joint member (54), and a second end edge (60b) on the other end side, the first rib being formed on the inner side of the leg portion (23a, 23b) of the retainer (56), a second rib (62a, 62b) spaced from the first end edge of the first rib by an amount corresponding to at least the width of the spool portion (20), the second rib abutting against a presser member (32) fitted in a passageway in the female joint member so as to prevent release of O-rings (31a, 31b) disposed in the female joint member, thereby controlling axial movement of the presser member (32).

Description

technical field [0001] The present invention relates to a pipe joint, and more particularly to a quick connector type pipe joint used for connecting pipes in a fluid circuit of a mechanical device or the like. Background technique [0002] For example, in a fuel supply system of an automobile, a joint called a quick connector is widely used as a pipe joint for connecting a fuel pipe. [0003] The main components of the quick connector are: a female joint part and a male joint part that are respectively installed on the pipe to be connected, and a retainer that connects them. The quick connector does not use connecting elements such as bolts, and only needs to insert the male joint part into the female joint part, and the pipes can be easily connected in one operation. [0004] For such quick connectors, various structures have been proposed so far. As the required function of the quick connector, the connection should be firm and the disassembly should be simple, but in ot...

AI Technical Summary

Problems solved by technology

The problem that exists in this case is: retainer 16 becomes long, and shell 15 becomes long

However, as a customer, there is a problem that the retainer 16 needs to be pulled out, changed to the correct direction for assembly, and a new operation is required.

[0028] In addition, as shown in Fig. 15 (b) dashed-two dotted line, the possibility that exists also has: the retainer 16 comes from the side of the hole 19a on the opposite side, that is, from the side of the horizontal edge portion 16b without the notch 37. Wrong assembly of assembly holder 16

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