Patent ID: 6286767
Filing Date: 2001-09-11
Classification: B05B

Abstract:
A pistol nozzle comprising:a main body provided at a front end of a top thereof with a head seat fastened therewith, said head seat provided in an interior with a water outlet, a locating tube, and a fitting tube, said water outlet provided with a washer fitted thereinto, said fitting tube provided with a locating bolt which is fitted into said fitting tube and a recovery spring;a water emission cover having an outer annular body which is provided in a front side of an inner wall thereof with a plurality of ribs which are circularly arranged at an interval and are connected with a face plate, said face plate provided with a full flow hole which is formed by a peripheral edge of said face plate and a front side of an inner wall of said outer annular body, said water emission cover provided in an inner side with a recessed space, said face plate being provided in a center thereof with a through hole which is in turn provided in an outer periphery with an inner annular mesh, said face plate provided in an outer side thereof with a plurality of emission holes of various shapes, and an outer annular mesh, and two tubular bodies corresponding in location to said emission holes and said through hole of said face plate, said emission holes being provided with a special emission hole which is formed by a protruded ring and a guide body having a pointed end, said pointed end being provided with a tapered rod, an annular body, a wing piece, and a passage, said water emission cover further provided with three partition areas, each of which forms with an inner side of said face plate a locating wall which is provided with a recessed arcuate edge; anda water distribution disk having an outer diameter equal to an inner diameter of said recessed space of the inner side of said water emission cover, said water distribution disk provided in an outer side thereof with an annular side and a recessed surface, and in a center thereof with a locating hole which is in turn provided with an annular body corresponding in location to said through hole of said face plate of said water emission cover, said annular body being provided in an inner wall thereof with an arresting ring, said water distribution disk being further provided with a through hole corresponding in location to said tubular body, and in an inner side with a plurality of recessed edges arranged circularly, said water distribution disk being fastened with said face plate of said water emission cover such that said water distribution disk is intimately attached with the inner wall of said recessed space, and that said water distribution disk and said water emission cover are disposed on an outer end of said head seat, and further that said locating tube is engaged with a bolt via said locating hole of said water distribution disk and said through hole of said water emission cover, said water distribution disk being actuated by said water emission cover to turn such that said through hole of said water distribution disk is in communication with said water outlet of said head seat so as to enable water to be emitted from said emission holes, said water distribution disk and said head seat being located by said locating bolt at such time when said through hole of said water distribution disk is aligned with said water outlet of said head seat, said water distribution further provided in the outer side with a first protruded arcuate body, a second protruded arcuate body, and a third protruded arcuate body, which are respectively corresponding in location and size to said recessed arcuate edges of said locating walls of the inner side of said face plate of said water emission cover, said first arcuate body provided with a guide hole facing said annular body of said water distribution disk, said third arcuate body provided in one end thereof with a protruded block which becomes gradually greater in diameter in the direction toward said annular side of said water distribution disk, said protruded block being hollow and provided with a guide hole, said protruded arcuate bodies provided with a guide slot in communication with said guide holes of said arcuate bodies, said full flow hole of said face plate of said water emission cover being obstructed by said annular side of said water distribution disk at the time when the outer side of said water distribution disk is fastened with the inner side of said face plate of said water emission cover, said arcuate bodies of said water distribution disk being fitted into said recessed arcuate edges of said locating walls of said face plate, said tubular bodies of said inner side of said face plate and said locating walls being in an intimate contract with said outer side of said water distribution disk, said through hole of said water distribution disk, said guide slot, and said locating hole being in communication with said tubular bodies, said guide hole of said first arcuate body of said water distribution disk being in communication with said outer annular mesh of said water emission cover, said guide hole of said second arcuate body being in communication with the inner annular mesh of said water emission cover, said guide hole of said third arcuate body being in communication with said full flow hole of said water emission cover;wherein said water distribution disk is provided in said annular side with a plurality of round holes whereby said round holes are circularly arranged and are corresponding in location to said ribs of said water emission cover, said round holes being in communication with said guide hole of said water distribution disk, said water distribution disk being fastened with said water emission cover by a high frequency wave process.