Multi -functional parallel set -square

The utility model provides a multi -functional parallel set -square, including set -square and guide rail, be equipped with outside hump connection spare on the set -square, the connecting piece lowerextreme rotates with the set -square to be connected, slides and set up in the guide rail in the upper end. The utility model overcomes prior art's is not enough, reasonable in design, and compact structure, the set -square can carry out 360 rotatory, arbitrary rotatory operations around the connecting piece in the paper can make whole set -square device free motion in the paper, and then reachesthe purpose of multi -functional parallel rule, more can improve student's the efficiency of drawing, price material benefit in addition, convenient to carry. 本实用新型提供种多功能平行三角板，包括三角板和导轨，所述三角板上设有向外凸起连接件，所述连接件下端与三角板转动连接，上端滑动设置于导轨中。本实用新型克服了现有技术的不足，设计合理，结构紧凑，三角板可以围绕连接件在纸面内进行360°旋转、任意旋转的操作可以使整个三角板装置在纸面内自由运动，进而达到多功能平行尺的目的，更能提高学生的画图效率，而且价格实惠、携带方便。