CN201361878Y - Broken line knife - Google Patents

Abstract

The utility model relates to a broken line knife, and belongs to the field of daily necessaries. The broken line knife comprises a knife handle, a cutting blade and a center shaft for connecting the knife handle and the cutting blade, wherein the lower portion of the knife handle is provided with a groove capable of placing the cutting blade, two sides of the groove are provided with two circular coaxial holes, the cutting blade is in a circular shape with sharp peripheries, and is evenly provided with a plurality of gaps along the periphery, and the middle portion of the cutting blade is provided with a round hole capable of mounting the center shaft. The center shaft is tightly mounted on the hole of the knife handle, and is mounted in interference, and the axial center of the center shaft is equipped with the cutting blade. A gap is left between the center shaft and the center of the cutting blade, and the center shaft and the cutting blade are mounted in clearance. When the cutting blade is placed on a paper surface to draw the knife handle to go forwards, the cutting blade cuts a series of shear marks on the paper surface, thereby forming broken lines.

Description

A kind of dotted line cutter

Technical field

The utility model relates to a kind of dotted line cutter, specifically can cut out a kind of simple and easy cutter of dotted line on paper.

Background technology

In life, many times need on paper, cut out dotted line, so that paper can be ripped along the position of anticipation.Such as leaving of some invoices etc., but all at present cutters all can't be finished this work.

Summary of the invention

At above-mentioned deficiency, the utility model provides a kind of dotted line cutter.

The utility model is realized by following technology: a kind of dotted line cutter, form by the central shaft and the blade of handle of a knife, connection handle of a knife and blade.The bottom of handle of a knife has the groove that can place blade, and there is the coaxial aperture of two circles on the both sides of groove; Blade be around sharp circle, along evenly having several breach on the circumference, but there is the hole, garden of a mounting center axle centre of blade.Central shaft tightly is installed on the hole of handle of a knife, installs for interference, and the axial centre of central shaft is equipped with blade.Leave the slit in the middle of central shaft and the blade, for installing in the gap.Place when spurring handle of a knife on paper and advancing at blade like this, blade just cuts out a series of cut channel on paper, forms dotted line.

When using, blade is pressed on the paper, spur handle of a knife then, the blade on the depended on pressure blade cuts out a series of cut channels on paper, and these cut channels have formed dotted line.The density that how much has determined dotted line of breach on the circumference of blade.

Accompanying drawing is a structural principle schematic diagram of the present utility model.

Wherein, 1, handle of a knife, 2, central shaft, 3, blade.

The specific embodiment

Embodiment: the bottom of handle of a knife 1 has the groove that can place blade, and there is the coaxial aperture of two circles on the both sides of groove; Blade 3 be around sharp circle, along evenly having several breach on the circumference, but there is the hole, garden of a mounting center axle 2 centre of blade.Central shaft 2 tightly is installed on the hole of handle of a knife 1, installs for interference, and the axial centre of central shaft 2 is equipped with blade 3.Central shaft 2 and the blade 3 middle slits of leaving are that install in the gap.

Claims (1)

1, a kind of dotted line cutter is made of handle of a knife, central shaft and blade, it is characterized in that: blade is that sharp periphery has even breach, middle round-meshed circular shear blade.

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