Painting pen

Abstract

The invention discloses a painting pen. The painting pen comprises a pen holder and a pen channel, wherein oil paint is stored in the pen holder, the pen channel sleeves the pen holder, a valve mechanism for spraying the oil paint is arranged between the pen channel and the pen holder, the valve mechanism comprises a valve head, a valve core and a valve tail, the valve tail is buckled on the valve head, the valve core is arranged in inner space between the valve tail and the valve head, the front part of the valve core is arranged in a front through hole in the valve head, the rear part of the valve core is arranged in a rear through hole in the valve tail, the front part of the valve core is provided with a front step, a front sealing ring sleeves the valve core outside the front step, and the front through hole in the valve head is sealed by the front sealing ring when the valve core moves forwards; the rear part of the valve core is provided with a rear step, a rear sealing ring sleeves the valve core outside the rear step, and the rear through hole in the valve tail is sealed by the rear sealing ring when the valve core moves backwards; a pen point is fixedly arranged in a pen outlet of the pen channel, the front end of the pen point stretches out of the pen channel, the middle part of the pen point is provided with sponge in a sleeving way for sealing the front through hole in the valve head, and the tail end of the pen point stretches into the front through hole and is in contact with the front end of the valve core; a spring sleeves the valve core, one end of the spring is limited by the front step arranged on the valve core, and the other end of the spring is limited by the valve tail.

Description

technical field [0001] The invention relates to a stationery. Background technique [0002] Paint pen is a kind of pen used for marking on difficult-to-write materials such as marble and metal. It is easy to mark, not easy to fade, and easy to clean, so it has been widely used. [0003] Chinese patent document 202507731 U discloses a paint pen, which includes a nib, a pen holder and a cap. The nib is located at one end of the pen holder. The pinball is connected with a spring, and there is a piston inside the pen holder, and the piston is connected with a row of rods, and a runner is set on the push rod. The paint pen utilizes marbles to produce paint, although the writing is smooth and the use is simple and convenient, but the structure is complex, the paint is produced unevenly, and the amount of paint produced is not easy to control. Contents of the invention [0004] The technical problem to be solved by the present invention is to provide a paint pen to solve the ab...

AI Technical Summary

Problems solved by technology

The paint pen uses marbles to produce paint. Although the writing is smooth and the use is simple and convenient, the structure is complex, the paint is not uniform, and the amount of paint is not easy to control.

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