CN2129697Y

CN2129697Y - Arc straight sharpening universal pencil sharpener

Info

Publication number: CN2129697Y
Application number: CN 92207080
Authority: CN
Inventors: 姜启禄
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-04-15
Filing date: 1992-04-15
Publication date: 1993-04-14
Anticipated expiration: 2002-04-15

Abstract

The utility model relates to an arc straight sharpening universal pencil sharpener, which is composed of a plastic casing [1], a plastic chassis [8], and a single edge blade [4]; the working surface of the pencil knife is an arc, and the arc is divided into two identical working surfaces by three guiding rails. The arc straight sharpening universal pencil sharpener can sharpen pen tips into arbitrary shapes; the utility model has the advantages of small size, light weight, and convenient portability, and the arc straight sharpening universal pencil sharpener can be assembled in small plastic ornament boxes with diverse shapes. The utility model can be suitable for preschool children and the people who use wooden pencils for engineering drawing, artist drawing, etc.

Description

Arc straight sharpening universal pencil sharpener

The utility model relates to the omnipotent pencil-knife of a kind of arc straight cutting type.

At present, the pencil-knife of selling on the market generally all is revolving, and blade is easily blunt, very easily revolves disconnected lead for retractable pencil, can not cut lead for retractable pencil very longly, more can not cut flat point, and the pencil sharpener quality is too poor.The pencil-knife structure more complicated of other " straight cutting type " can only cut into flat inclined-plane or conical pen point.

The purpose of this utility model provides a kind of wooden tip of a pencil that can be whittled into arbitrary shape, and from preschool child to the engineering drawing, art painting etc. all use the people of wooden pencil all to be suitable for.

The utility model is to adopt following scheme to realize: it is made up of plastic casing ［ 1 ］, plastic feet ［ 8 ］, single dege blade ［ 4 ］, the working face of pencil-knife is arc and is separated into two identical working faces ［ 9 ］ by three guide rails ［ 2 ］, promptly is equivalent to two cutters.

The utility model has the advantages that: except that all advantages with " straight cutting type " pencil-knife, also can cut the nib of system arbitrary shape, as be whittled into columniform, flat and parallel or taper shape etc., and volume is little, in light weight, easy to carry, only account for 1/7 of common matchbox volume, weight has only 2.6 grams.Also can be assemblied in the different little decorative plastic product box.

Accompanying drawing of the present utility model has:

The main body outline drawing of Fig. 1, arc straight cutting type pencil-knife

The main body outline drawing A-A of Fig. 2, arc straight cutting type pencil-knife left side pseudosection with cut system method schematic diagram

The blade of Fig. 3, arc straight cutting type pencil-knife

Below in conjunction with description of drawings embodiment of the present utility model:

The omnipotent pencil-knife of arc straight cutting type that the utility model provides, it is made up of plastic casing ［ 1 ］, plastic feet ［ 8 ］, single dege blade ［ 4 ］.Plastic casing ［ 1 ］ comprises three guide rails ［ 2 ］, two sides groove ［ 5 ］, two curved working faces ［ 9 ］, and it is with injection molded of plastics.Plastic feet ［ 8 ］ then is installed in the bottom formation apotheca ［ 7 ］ of plastic casing ［ 1 ］ by tight fit.Single dege blade ［ 4 ］ is installed in the two sides groove ［ 5 ］ of plastic casing ［ 1 ］, two sides groove ［ 5 ］ becomes 35 degree angles with plastic casing ［ 1 ］ end horizontal plane, locate single dege blade ［ 4 ］ to be bonded on the plastic casing ［ 1 ］ with epoxy resin by the hole ［ 10 ］ on the single dege blade ［ 4 ］ at tie point ［ 3 ］ then.Pencil-knife working surface ［ 9 ］ be arc as shown in Figure 1, and be separated into two identical working faces by three guide rails ［ 2 ］, in the time will cutting the system pencil, can choose a working face wantonly is the cutting face, and the pen position of working face of not slipping away when guaranteeing cutting, choose suitable angle b and cut system, a limit rotation c direction is as shown in Figure 2 cut on the limit, till cutting into satisfied nib shape.Wood chip that chips away and plumbous bits ［ 6 ］ are stored in the apotheca ［ 7 ］, can regularly open plastic bottom cover ［ 8 ］ and clear up.

Because this pencil-knife volume is little, in light weight, easy to carry, so can be assemblied in the different little decorative plastic product box.

Claims

1, the omnipotent pencil-knife of a kind of arc straight cutting type, it comprises plastic casing [1], plastic feet [8], single dege blade [4], it is characterized in that plastic casing [1] comprises three guide rails [2], two sides groove [5] and curved working face [9].

2, the omnipotent pencil-knife of arc straight cutting type as claimed in claim 1 is characterized in that curved working face ［ 9 ］ is separated into two identical curved working faces by guide rail ［ 2 ］, promptly is equivalent to two cutters.