CN201970699U - Ruler - Google Patents

Abstract

The utility model discloses a ruler. A wavy line is arranged on one end of a ruler body parallel to the scales; one corner of the ruler body is connected with a protractor and a set square through a shaft, and a right-triangle through hole is arranged in the set square; one end of the ruler body is provided with a magnifier; and through holes are arranged on the surface of the ruler body. Compared with the prior art, the ruler disclosed by the utility model has the advantages of wide application, good convenience and practicability, convenient operation and the like.

Description

A kind of ruler

Technical field the utility model relates to a kind of learning tool.

Background technology is well-known, and ruler, protractor and set square are one of articles for use that class hour must use on the students, but inconvenience is deposited and carried to existing ruler, protractor and set square for independently individual; In addition, existing ruler function singleness does not have the function of magnifying glass, does not have the function of the difform figure of picture, and these have brought inconvenience all for the use of students.

The summary of the invention the purpose of this utility model is to provide a kind of novel structure, of many uses, convenient and practical, easy and simple to handle, cheap, the ruler that is easy to promote.

The utility model comprises the ruler body, is provided with wave at the end that is parallel to scale of ruler body; One jiao of axle at the ruler body connects protractor and set square, and is provided with the open-work of right angled triangle in the inside of set square; End at the ruler body is provided with magnifying glass; Be provided with a plurality of open-works on the surface of ruler body, and open-work is circular through-hole, rhombus open-work, oval open-work, square open-work and rectangle open-work.

The utility model in use, the wave of ruler one end is convenient to the students trace; Protractor that one jiao of axle of ruler connects and set square are convenient to the students selection and are used; The magnifying glass of ruler one end is convenient to students and is checked word than small font; A plurality of open-works on ruler surface are convenient to the different figure of students picture.

The utility model compared with prior art has following advantage: novel structure, of many uses, convenient and practical, easy and simple to handle, cheap, be easy to promote.

Description of drawings Fig. 1 is a three-dimensional simplified schematic diagram of the present utility model.

The specific embodiment is in the three-dimensional simplified schematic diagram of ruler shown in Figure 1, and an end that is parallel to scale of ruler body 1 is provided with wave 2; One jiao of axle at ruler body 1 connects protractor 3 and set square 4, and is provided with the open-work 5 of right angled triangle in the inside of set square 4; End at ruler body 1 is provided with magnifying glass 6; Be provided with a plurality of open-works 7 on the surface of ruler body 1, and open-work 7 is circular through-hole, rhombus open-work, oval open-work, square open-work and rectangle open-work.

Claims (1)

1. ruler, it is characterized in that: an end that is parallel to scale of ruler body is provided with wave; One jiao of axle at the ruler body connects protractor and set square, and is provided with the open-work of right angled triangle in the inside of set square; End at the ruler body is provided with magnifying glass; Surface at the ruler body is provided with open-work, and open-work is circular through-hole, rhombus open-work, oval open-work, square open-work and rectangle open-work.

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