Ruler

Abstract

The invention relates to a ruler. With the ruler, paper can be cut conveniently, and hands are not hurt easily. The ruler comprises a ruler body; a slit is formed in the upper surface of the ruler body; guide rails are arranged on two sides of the slit respectively; sliding bodies are arranged in the two guide rails respectively; each sliding body comprises a sliding block and a stand column arranged on the sliding block, flanges are arranged at the top of the outer side surface of the stand column and at the bottom of the outer side surface of the stand column respectively, and an elastic device is arranged between the two flanges of the stand column; the ruler further comprises a connecting plate, a blade and a handle; the stand columns located on two sides of the slit are sleeved with two ends of the connecting pate respectively; each end of the connecting plate is located between the two flanges of the corresponding stand column; the top ends of the elastic devices make contact with the bottom surface of the connecting plate; the top end of the blade is fixedly arranged on the bottom surface of the connecting plate; the bottom end of the blade is arranged in the slit; the handle is fixedly arranged on the top surface of the connecting plate; and when the connecting plate is pressed to move downwards to the limit position, the bottom end of the blade extends out of the lower surface of the ruler.

Description

technical field [0001] The invention relates to a learning tool, in particular to a ruler. Background technique [0002] A ruler is one of the articles that people often use in daily life. People often use a ruler to cut paper. When cutting, the operator presses the ruler with one hand and holds a knife or a knife in the other hand. The scissors cut the paper along the edge of the ruler. Since the thickness of the ruler is generally thin, it is easy to cut the human hand. In addition, the operator needs to use a knife or scissors to cut the ruler, and sometimes Operators can't find a knife or scissors, which is inconvenient to use. [0003] In view of the above-mentioned defects, the designer actively researches and innovates, in order to create a ruler with a new structure, so that it has more industrial utilization value. Contents of the invention [0004] In order to solve the above-mentioned technical problems, the object of the present invention is to provide a rule...

AI Technical Summary

Problems solved by technology

[0002] A ruler is one of the items that people often use in their daily life. People often use a ruler to cut paper. When cutting, the operator presses the ruler with one hand and holds a knife or a knife in the other hand. The scissors cut the paper along the edge of the ruler. Since the thickness of the ruler is generally thin, it is easy to cut the human hand. In addition, the operator needs to use a knife or scissors to cut the ruler, and sometimes The operator will not find the knife or scissors, which is inconvenient to use

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