CN201009610Y

CN201009610Y - Pencil sharpener

Info

Publication number: CN201009610Y
Application number: CNU2006200111310U
Authority: CN
Inventors: 张钰莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-10-19
Filing date: 2006-10-19
Publication date: 2008-01-23
Anticipated expiration: 2016-10-19

Abstract

The utility model relates to a pen knife, which is characterized in that the pen guiding groove is provided with an upper blade and a lower blade thereon. The beeline edges of the upper blade and the lower blade cling to circular conical surface of the pen guiding groove, the two edges of the upper blade and the lower blade and the axes of the coniform pen guiding groove are in the same plane, and the two edges of the upper blade and the lower blade are of the same handedness and the pen guiding groove in the direction of the edges of the upper blade and the lower blade is provided with a bar shaped trench hole for ejecting chip respectively. In the utility model, pencil is under press equally, and the pencil does not break easily and the cutting speed is high.

Description

Penknife

Affiliated technical field

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

Background technology

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.

Summary of the invention

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 beneficial effects of the utility model are, pencil producing balanced forces, pencil-lead not easy fracture and cutting speed are fast.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

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.

1. bodies among the figure, 2. blade, 3. a groove, 4. bits collecting box, 5. bottom knife, 6. slotted eye.

The specific embodiment

At Fig. 1, Fig. 2, among Fig. 3, 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. 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. according to the described penknife of claim 1, it is characterized in that the linear blade of said cutter and bottom knife is close to the taper seat of guide pen trough.

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

5. according to claim 1 or 2 or 3 described penknives, 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.