CN201970693U - Ruler - Google Patents

Abstract

The utility model relates to a ruler, which comprises a three-section straight scale, a protractor and a triangle. The three-section straight scale, the protractor and the triangle are connected through a shaft, the surface of the straight scale is provided with a magnifying glass and three through holes, and the three through holes are respectively a square through hole, a round through hole and an oval through hole. The utility model has the advantage that the ruler has a simple and reasonable structure, is convenient to use and has novel functions. Moreover, the triangle, the protractor and the straight scale are integrated, and the use of students is greatly facilitated.

Description

A kind of chi

Technical field the utility model relates to a kind of measurement apparatus.

The background technology ruler is one of articles for use that class hour must carry on the students, but existing ruler function singleness, the use needs of students can not have been satisfied, for example: existing ruler does not have the function of picture shape, and existing ruler and protractor, set square are for independently individual, be not integrated in one, be inconvenient to carry and use, these have brought inconvenience all for the use of students.

The summary of the invention the purpose of this utility model has overcome above-mentioned said deficiency, and a kind of multi-functional ruler is provided, and is used to solve existing ruler function singleness, can not satisfy the problem that students is used needs.

The utility model comprises three sections rulers, protractor and set squares, and three sections rulers are connected with protractor, set square axle, and are provided with magnifying glass and three open-works on the surface of ruler, and open-work is respectively square open-work, circular through-hole and oval open-work.

After adopting said structure, during use, ruler, set square and protractor performance function separately make things convenient for students to use; The magnifying glass on ruler surface is convenient to students and is seen that word than small font, three open-works on ruler surface be convenient to students picture shape and use.

The utility model has the advantages that: simple in structure, easy to use, structure rationally given ruler new function, and set square, protractor and ruler is integrated in one convenient students use.

Description of drawings Fig. 1 is an overall structure schematic diagram of the present utility model.

The specific embodiment as shown in Figure 1, the utility model comprises three sections rulers 1, protractor 2 and set square 3, three sections rulers 1 are connected with protractor 2,3 of set squares, and be provided with magnifying glass 4 and three open-works 5 on the surface of ruler 1, and open-work 5 is respectively square open-work, circular through-hole and oval open-work.

Claims (1)

1. chi, comprise three sections rulers (1), protractor (2) and set square (3), it is characterized in that: three sections rulers (1) are connected with protractor (2), set square (3) axle, and be provided with magnifying glass (4) and three open-works (5) on the surface of ruler (1), and open-work (5) is respectively square open-work, circular through-hole and oval open-work.

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