Reset type locking air brush

Abstract

The invention discloses a reset type locking air brush which comprises a brush body with a front handle and a tail handle connected into a whole. A containing cavity is formed in the brush body. A spray needle is arranged in the containing cavity. An ejector rod is further arranged in the containing cavity, an inserting groove allowing the spray needle to be inserted is formed in the front end of the ejector rod in the axial direction, and the rear end of the ejector rod is connected with a button. A locking nut in stop fit with the front end of the ejector rod is fixedly connected to the spray needle. A tail handle screw is arranged between the ejector rod and the tail handle in a sleeving manner, and a locking sleeve is movably connected between the tail handle screw and the button. Steel balls are arranged on the wall of the tail handle screw. A first step part and a second step part matching the steel balls are arranged at the rear end of the ejector rod. An annular deep groove and an annular shallow groove matching the steel balls are formed in the inner wall of the locking sleeve. A limiting boss in stop fit with the rear end of the tail handle screw is arranged in the middle of the locking sleeve, and a button spring is arranged between the limiting boss and the button. The reset type locking air brush is simple and reasonable in structure, convenient to operate and better in use effect.

Description

technical field [0001] The invention relates to the technical field of airbrush, in particular to a resetting locking airbrush. Background technique [0002] The airbrush is an important painting tool that can spray paint in mist to achieve uniform coloring. Its structure mainly includes a pen body that is screwed together with a front handle and a tail handle. There is a spray needle in the storage cavity, and a storage cup connected to the storage cavity is provided on the outer wall of the front handle. The storage cup is used to accommodate the paint. The middle part of the body is provided with an air inlet valve connected to the air source, and the air outlet of the air inlet valve is connected with the front end of the nozzle. When in use, put the paint into the storage cup, press the trigger first, open the intake valve, the compressed air flows through the gap between the nozzle and the nozzle, and then sprays out from the front of the nozzle. At the same time, con...

AI Technical Summary

Problems solved by technology

However, the disadvantage of this adjustment structure is that since the adjustment knob directly acts on the injection needle, there is always only a one-to-one mapping relationship between the position of the adjustment knob and the maximum displacement of the injection needle. In other words, when adjusting When the knob is adjusted to a certain positi

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