Quick connector adapted for a male adapter to connect thereto

摘要

A quick connector includes a female adapter and two retainers. The female adapter has a joint portion and an axial hole being adapted for a male adapter inserting therein. The joint portion has two openings and two pairs of engaging portions. Each retainer includes a pair of pivot members positioned in one of two pairs of engaging portions, so that the retainers can pivot between a clamping position and a spreading position. The retainers are positioned in the engaging portions.

主权项

1. A quick connector, being adapted for a male adapter to connect thereto, the quick connector comprising:
a female adapter, having a joint portion at one end thereof, the female adapter being formed with an axial hole, the axial hole being adapted for the male adapter inserting therein, the joint portion having an outer contour and an inner contour, the joint portion being formed with two openings extending radially and penetrating through the outer contour and the inner contour, so that the openings are in communication with the axial hole; wherein the inner contour of the joint portion has two limiting grooves; and two retainers, pivotally disposed on the joint portion, each of the retainers comprising an inner arm and an outer arm, each of the outer arms comprising a hook portion; wherein the retainers are able to pivot about an axis with respect to the joint portion and pivot between a clamping position and a spreading position; when the retainers are in the clamping position, the retainers being located in the openings of the joint portion respectively, the inner arms engaging the male adapter, the hook portions hooking in the limiting grooves respectively; when the hook portions are away from the limiting grooves, the retainers being able to pivot to the spreading position, so that the inner arms disengage from the male adapter; wherein the outer contour of the joint portion comprises a first side and a second side opposite to the first side, a protrusion is formed on the first side, the two retainers are pivoted at two corresponding lateral sides of the protrusion; wherein each of the inner arms is formed with a first arc section having a first concave surface and a second arc section having a second concave surface, the first and the second concave surfaces are eccentric so that a protruding portion is formed between the first and the second arc sections, the protruding portion extends away from the outer arm, the first concave surfaces of the inner arms abut against an outer surface of the male adapter tightly when the inner arms engage the male adapter.