Patent ID: 7419191
Filing Date: 2008-09-02
Classification: F16L

Abstract:
1. A quick insert nozzle for tools, comprising a pipe connector and a quick insert nozzle, wherein an end of said pipe connector has a locking section with an external thread for connecting a pipe, and another end of said pipe connector has a containing groove for receiving a joint of said quick insert nozzle, and another end of said quick insert nozzle has an insert end corresponding to an engaging tool, so as to constitute basic functional architecture of said quick insert nozzle for tools, characterized in that: said joint of said quick insert nozzle has three circular grooves, wherein an external circular groove installs a leakproof washer, and a middle circular groove is filled up with a plurality of balls arranged in a circular shape, and an internal circular groove is provided for embedding a dust resisting cover, and said containing groove of said pipe connector corresponds to said leakproof washer and balls for engaging said joint of said quick insert nozzle joint to have two sectional groove diameters, and a wide groove diameter is coupled with a joint position of a narrow groove diameter to provide a design of a guiding cambered surface, and the wall thickness of said wide groove diameter is reduced to form a thin covering plate, such that after said joint of said quick insert nozzle is sheathed into said containing groove of said pipe connector, said thin covering plate of said pipe connector is stamped to form a limit position of said joint of said quick insert nozzle joint for embedding said balls, and finally said dust resisting cover is covered around the external edge of said thin covering plate, so as to provide a sealed effect for a gap formed at the connection of said pipe connector and said quick insert nozzle, and complete assembling the structure of said quick insert nozzle; wherein said circular groove at said joint of said quick insert nozzle for filling said balls further installs a durable spacer for holding and limiting said balls and effectively preventing said balls from being worn out.