A kind of portable watercolor brush with convenient flow control for students

Abstract

The invention discloses a flow control facilitating portable water color brush pen for students. An upper pen barrel, a reset spring, a fixing barrel, an installing sleeve and a pen cap are included. A first kneading block and a second kneading block penetrate through the side face of the upper pen barrel for installation, and connecting rods are arranged below the first kneading block and the second kneading block. The two ends of the reset spring are connected with the upper ends of the first kneading block and the second kneading block correspondingly. The lower ends of the connecting rods are connected with the top of a push rod. Sliding grooves are formed in the surface of the upper pen barrel, the upper end of a lower pen barrel penetrates through the sliding grooves, clamping ports are formed in the upper portion of the inner wall of the pen cap, check rings are arranged in the pen cap, and a silica gel pad is fixed to the outer side of the upper pen barrel. According to the flow control facilitating portable water color brush pen for students, when the ink amount is insufficient, only a capillary tube needs to be downwards pressed; and when the ink discharging amount is sufficient, only a pen body needs to be elevated, the larger the flowing-out ink amount is, the denser the color becomes, and the color shade is convenient to adjust.

Description

technical field [0001] The invention relates to the technical field of education and teaching, in particular to a portable watercolor brush for students to use to control flow. Background technique [0002] With the improvement of the national economy, more and more attention is paid to the education of students. Many middle schools have launched extracurricular interest courses to encourage the overall quality development of students. Among them, painting is a common course for middle school students, which helps to cultivate students' cultural accomplishment and improve Aesthetic perception ability, and help to improve students' observation and creativity. Imagery thinking is the basis of creative thinking, human creativity is inseparable from imagery thinking, coordinate the development of left and right brains equally. In watercolor painting, brushes are used to outline and color the picture. The existing brushes are all simple integrated structures, and there are still...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a portable watercolor writing brush for students to use to control flow, so as to solve the above-mentioned background technology when going out for use, it is necessary to bring its own ink; the writing brush is directly placed on the desktop for storage; The remaining ink on the hair is squeezed out, and some oily ink sticks to the back of the hand

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