| 摘要 |
An improved quick-release connector for replenishing air conditioning coolant has a female connector and a male connector detachably connecting with the female connector, wherein the male connector comprises a hollow body, a ball valve with a radial passage defined therein operatively received in the hollow body, a cap screwed on one end of the hollow body with an inlet fitting screwed therein, an inlet channel defined in the cap communicating with the inlet fitting and the interior of the hollow body and a control button provided on the ball valve for controlling of the communication and flow of the coolant. Two caulking blocks with concave surfaces are provided on opposite sides of the ball valve respectively to improve water tightness and reduce the abrasion to increase life of the connector.
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