Retractable ruler

A technology of rulers and short rulers, applied in the direction of rulers for direct reading, can solve problems such as inability to shrink and stretch, insufficient range, and no storage space for pencil cases, etc., to achieve the effect of easy use and storage

Inactive Publication Date: 2018-02-02
南通豪鼎光伏科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing ruler is a complete structure that cannot be contracted or stretched.

Method used

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  • Retractable ruler

Examples

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Embodiment Construction

[0014] The following examples can enable those skilled in the art to understand the present invention more comprehensively, but the present invention is not limited to the scope of the described examples.

[0015] Such as figure 1 As shown, a retractable ruler includes a ruler body with a scale. The ruler body is composed of at least two short rulers nested with each other. The ruler body is coated with a fluorescent layer. The short ruler includes a storage short ruler 1 and a stored short ruler 2. The short ruler 1 is provided with a cavity for receiving the short ruler 2, and the short rulers are connected by an anti-falling structure 3. The anti-falling structure is a tenon, and the end of the short ruler 2 is provided with a protrusion 4 for easy stretching.

[0016] The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the prese...

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PUM

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Abstract

The invention discloses a retractable straightedge, which comprises a ruler body with scales, and the ruler body is composed of at least two short rulers nested with each other, and the ruler body is coated with a fluorescent layer. The advantages of the present invention are: (1) The ruler of the present invention is composed of at least two short rulers that are nested with each other. The short rulers can be stretched and contracted, which is convenient for use and storage, and is convenient and practical. (2) The body of the ruler is coated with a fluorescent layer, so that when in use, even in a dark environment, people can still observe the scale on the ruler board through the light emitted by the fluorescent strip, so as to achieve the effect of accurate measurement. Convenient and practical.

Description

technical field [0001] The invention relates to the technical field of electric tools, in particular to a retractable ruler. Background technique [0002] The existing ruler is a complete structure that cannot be contracted or stretched. When the ruler is too short, the measuring range is not long enough for use; inconvenient. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a retractable ruler that can be stored conveniently. [0004] In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a retractable ruler, which includes a ruler body with scales. With fluorescent layer. [0005] Further, the short ruler includes a storage short ruler and a stored short ruler, and a cavity for accommodating the stored short ruler is provided in the storage short ruler. [0006] Further, the short scales are connected by an anti-falling structure. [0007] Further, the ...

Claims

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Application Information

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IPC IPC(8): G01B3/08
CPCG01B3/08
Inventor 周吕春
Owner 南通豪鼎光伏科技有限公司
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