Geometric line drawing device

A geometric and line-drawing pen technology, applied in the field of geometric line-drawing devices, can solve the problems of not maintaining strength and unevenly drawn lines, etc., and achieve the effect of uniform lines
CN110126518AActive Publication Date: 2019-08-16SHAANXI SCI TECH UNIV
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Patent Information

Authority / Receiving Office
CN ยท China
Current Assignee / Owner
SHAANXI SCI TECH UNIV
Publication Date
2019-08-16

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Abstract

The invention relates to a line drawing device, in particular to a geometric line drawing device. The device comprises a round seat, a wire drawing pen, a door-shaped frame, a spring sleeve rod, sliding rail rods and seat blocks, wherein the line drawing pen is always perpendicular to the surface of paper, and compared with manual line drawing, a drawing pen can irregularly incline along with hands, lines drawn by the line drawing mode perpendicular to the surface of the paper is more uniform. The line drawing pen is vertically and slidably connected to the round seat, the door-shaped frame isarranged at the upper end of the round seat, the spring sleeve rod is vertically slidably connected to the upper end of the door-shaped frame, the lower end of the spring sleeve rod is fixedly connected to the upper end of the line drawing pen, a compression spring sleeves the spring sleeve rod, a stop block is arranged at the lower end of the spring sleeve rod, the compression spring is positioned between the stop block and the door-shaped frame, the two sliding rail rods are fixedly connected between the two seat blocks, the left end and the right end of the round seat are both provided with notches corresponding to the sliding rail rods, the round seat is slidably connected to the two sliding rail rods, and the spring sleeve rod can be pulled to the upper end and fixed.
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Description

technical field

[0001] The invention relates to a line drawing device, more specifically a geometric line drawing device. Background technique

[0002] The application number is CN201720024021.6, which discloses a geometric line drawing tool for teaching. The utility model discloses a geometric line drawing tool for teaching, including a first ruler board and a second ruler board, both of which are rectangular. One end of the first ruler is provided with a square slot, one end of the second ruler is inserted into the square groove and can reciprocate in the square groove; the other end of the first ruler is provided with a through hole A, and the other end of the second ruler One end is provided with a through hole B; one end of the first ruler plate is provided with a square slot and a fixing hole is provided, and a screw for fastening between the first ruler plate and the second ruler plate is pierced in the fixing hole; A plurality of round holes are evenly opened on the...

Claims

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