Flow control facilitating portable water color brush pen for students
A flow-controlling, portable technology, applied in the field of education and teaching, can solve the problem of oily ink sticking to the back of the hand, etc., to avoid leakage and improve efficiency.
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[0027] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0028] see Figure 1-6 , the present invention provides a technical solution: a portable watercolor brush for students to control the flow conveniently, including an upper pen container 1, a first pinch block 2, a connecting rod 3, a push rod 4, a return spring 5, a piston 6, and an ink bag 7 . , groove 21, drain port 22, second pinch block 23, silica gel pad 24, bracket 25 and rubber gasket 26, the side of the upper pen container 1 is penetrated by the first...
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