Knife rest of pencil sharpener

Abstract

The invention discloses a knife rest of a pencil sharpener. The knife rest of the pencil sharpener comprises a knife rest (1) and a hob shaft (2) equipped with a hob (14), wherein a shaft support seat (3) is arranged at one end of the knife rest (1), a shaft support (13) is arranged at the other end of the knife rest (1), two ends of the hob shaft (2) are mounted on the shaft support seat (3) and the shaft support (13) respectively, an angle adjusting device for adjusting the angle of the hob shaft (2) is arranged on the knife rest (1) and specially adopts a chute (4) arranged on the knife rest (1), and the shaft support seat (3) is in sliding fit in the chute (4). The knife rest of the pencil sharpener has the advantages of simple structure, simplicity in operation, low cost, high reliability and good cutting quality and can change the thickness of a pencil lead under the condition that the pencil lead cutting length is not changed.

Description

technical field [0001] The invention belongs to the technical field of stationery, in particular to a knife holder for a pencil sharpener. Background technique [0002] Whether it is a manual pencil sharpener or an electric pencil sharpener, the hob on the cutter shaft with a fixed structure is used to plan the pencil, but in the specific painting and writing process, the writer and painter not only use one kind of pen, At the same time, because the pens have different thicknesses and the lead cores have different softness and hardness, when cutting soft lead or soft charcoal pens (soft pens for short), since the pen core of the soft pen is thicker and softer than the hard pen, it is not wear-resistant. It is easy to finish painting quickly with a large color at the beginning. Writers and painters like to sharpen the soft pen relatively long. Generally, the nib does not need to be too sharp and the pen core does not form a cone with the wooden part. The pen will last longer ...

AI Technical Summary

Problems solved by technology

When sharpening hard pens, because hard pens need to be hard and wear-resistant, and the use of hard pens is mainly used for in-depth shaping of later paintings, they need to be sharpened and lengthened. Professional painters also have different soft and hard pens according to their different painting stages. According to the existing technology, an adjustable pencil sharpener hob cutter shaft and its application pencil sharpener are disclosed on the website of the State Intellectual Property Office. The application number is 2015200417128. The hob is used to meet the length and blunt requirements of different soft and hard pens, that is, to use the hob to move back and forth on the hob shaft to change the cutting length of the pen, thereby changing the thickness of the pen core, and the cut pen core Either thick and short or thin and long, this kind of structure is complicated, the operation is complicated, the cost is high, and the reliability is low; there is also a pencil sharpener holder, which uses the axial limit to the length of the pen insertion to realize the adjustment of the thickness of the pencil lead, However, if the length of the refill is changed, the length of the refill will become shorter when the refill needs to be thicker, and the length of the refill will become longer when the refill needs to be thinner. In short, the thickness of the refill must be changed by changing the cutting length. Thick and short refills are the embodiment of poor cutting quality, too short refills will directly reduce the service life of pencils

Images