Importance

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Abstract

A water amount controlling switch structure of water injection gun, including a gun housing, a controlling pin, a water sealing gasket, a filter screen, a water sealing washer, an adjustment pin, a trigger, a push button and a large and a small springs. The controlling pin is two-stepped. A small diameter section thereof is formed with a conic head at end portion. The step section of the controlling pin is disposed with an annular engaging slope face. The large diameter section of the controlling pin is disposed with four vanes at equal intervals. The adjustment pin is T-shaped, having a water sealing ring inserted with tail end thereof. The tail end is formed with a conic head. The trigger is U-shaped and an upper section of a middle board thereof is disposed with a push button notch. A lower edge of the notch is formed with a supporting slope face. The inner side of the push button is disposed with a projecting hollow fitting post. The bottom of the push button is disposed with a micro-adjustment slope face. Two sides of the slope face are respectively formed with two slits defining therebetween a resilient pushing section. The end of the resilient pushing section is disposed with a short horizontal section and a triangular engaging guide edge connecting therewith.

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First Claim