CN2477408Y

CN2477408Y - Pencil sharpener

Info

Publication number: CN2477408Y
Application number: CN 01237106
Authority: CN
Inventors: 葛鹏程
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-05-22
Filing date: 2001-05-22
Publication date: 2002-02-20
Anticipated expiration: 2011-05-22

Abstract

The utility model discloses a pencil sharpener. The technical proposal is that: a pen guide slot is provided with upper and lower blades; linear knife edges of the upper and lower blades are stuck tightly at a conical face of the pen guide slot, and two knife edges of the upper and lower blades and an axes of the conical pen guide slot are arranged in the same plane; the two knife blades of the upper and lower blades are in co-orientation, and the pen guide slot in the knife edges directions of the upper and lower blades is provided respectively with a bar slotted hole for discharging the saw dust. By using the utility model, pencil has a balanced stress, the pencil core is not easy to be broken, and the sharpening speed is rapid.

Description

Penknife

The utility model relates to the stationery class, specifically a kind of penknife.

We know that penknife commonly used now is generally single blade, pencil is laterally rolled up cut.As: ZL89214436.x patent disclosure a kind of penknife, it is made up of body, blade and bits collecting box, blade is fixed on the guide pen trough of body by screw, in use act on pencil because of single blade, pencil is unbalanced stressed in working angles, very easily cause the pencil-lead fracture, thereby bring inconvenience to the user.

The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, and a kind of pencil producing balanced forces that makes is provided, and pencil-lead is the penknife of easy fracture not.

For achieving the above object, the utility model can be realized by following measure: be provided with body, bits collecting box, body and be provided with conical guide pen trough, its technical characterictic is that guide pen trough is provided with cutter and bottom knife.

The utility model also can be realized by following measure: the linear blade of cutter and bottom knife is close to the taper seat of guide pen trough.Two blades of cutter and bottom knife and the axis of conical guide pen trough are with in one plane.Two blades of cutter and bottom knife are same rotation direction.Be respectively equipped with the bar shape trench hole of row's wood chip on the guide pen trough of the blade direction of cutter and bottom knife.

The utility model is in cutting during pencil, and pencil producing balanced forces, pencil-lead not easy fracture and cutting speed are fast.

The utility model will be further described below in conjunction with accompanying drawing:

Fig. 1 is an attached view of the present utility model.

Fig. 2 is the right view of Fig. 1.

Fig. 3 is the A_A cutaway view of Fig. 2.

From Fig. 1, among Fig. 2 as can be seen, the utility model body 1 and bits collecting box 4 are by injection molded, directly be injected with conical guide pen trough 3 on the body 1, guide pen trough 3 is provided with cutter 2 and bottom knife 5, cutter 2 and bottom knife 5 blades are linear, two blades are close on the taper seat of guide pen trough 3 with rotation direction, the axis of two blades and conical guide pen trough 3 is in same plane, be processed with the bar shape trench hole 6 of row's wood chip on guide pen trough 3 arcwall faces of cutter 2 and bottom knife 5 blade directions respectively, body 1 below also is equipped with a bits collecting box 4, the wood chip that cuts from pencil in order to splendid attire.

Claims

1, a kind of penknife is provided with body, bits collecting box, body and is provided with conical guide pen trough, it is characterized in that guide pen trough is provided with cutter and bottom knife.

2,, it is characterized in that the linear blade of said cutter and bottom knife is close to the taper seat of guide pen trough according to the described penknife of claim 1.

3, according to the described penknife of claim 2, the axis that it is characterized in that two blades of said cutter and bottom knife and conical guide pen trough is with in one plane.

4,, it is characterized in that two blades of said cutter and bottom knife are same rotation direction according to claim 2,3 described penknives.

5,, it is characterized in that being respectively equipped with on the guide pen trough of blade direction of said cutter and bottom knife the bar shape trench hole of row's wood chip according to claim 1,2,3 described penknives