Water-spraying nozzle

Abstract

A water-spraying nozzle (1) equipped with a main nozzle body (6) in the interior of which a flow path (10) for water is formed, an operating lever (15) attached to the main nozzle body (6) so as to be able to move closer or farther away, an on / off valve (13) for opening / closing the flow path (10), and a relay lever (16) that is rotatably supported on the main nozzle body (6) and has a fulcrum section (17), force point sections (18, 19) abutting against the operating lever (15), and an action point section (20) abutting against the on / off valve (13), the relay lever (16) rotating to open / close the on / off valve (13) in accordance with the positional relationship between the operating lever (15) and the main nozzle body (6), wherein: two or more of the force point sections (18, 19) of mutually different distances from the fulcrum section (17) are provided to the relay lever (16); at a stop-water position of the on / off valve (13), the force point section (18) formed farthest from the fulcrum section (17) is made to abut against the operating lever (15); and at a position of the on / off valve (13) where the opening degree becomes greater than a predetermined degree, the other force point section (19) is made to abut against the operating lever (15). This configuration makes it possible within a water-spraying nozzle to reduce the working load on the operating lever even in a high-water-pressure state of the stop-water position.

Description

technical field [0001] The present invention relates to a sprinkler head which is mainly used in gardening, cleaning, agriculture, etc. at home, and is connected to the front end of water supply equipment such as a water pipe through a hose to diffuse water, especially relates to a sprinkler head which is held in the user's hand and operated. Background technique [0002] In households, a sprinkler head that is attached to the tip of a hose and optionally switches between spraying and stopping water is widely used in gardening, agriculture, cleaning, and the like. Such a sprinkler head receives water supply from a water supply facility such as a water pipe through a hose, and sprays water from a sprinkler port formed at the front end. [0003] Previous sprinkler nozzles 25 such as Figure 8 As shown, a flow path 10 for water connecting the inlet port at the base end to the spray port 5a at the front end is formed in the shower head main body 6, and an opening and closing val...

AI Technical Summary

Problems solved by technology

[0020] However, in the sprinkler head of Patent Document 1, in order to reduce the operating load on the operating lever, the annular packing made of a special material, the E-ring for preventing the annular packing from coming off, and assembly processing are required. , therefore, material cost, manufacturing cost increase

[0021] In addition, when the water pressure of the water pipe is high, when the water is stopped, the valve core part of the second valve, which becomes the opening and closing valve core, is strongly trapped in the annular packing due to the hydraulic pressure, and the second valve is closed. When opening, a large force is required, and there is a problem that it is difficult to reduce the operating load of the operating lever.

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