CN106564342A

CN106564342A - Novel pencil sharpener

Info

Publication number: CN106564342A
Application number: CN201610943777.0A
Authority: CN
Inventors: 王华勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-02
Filing date: 2016-11-02
Publication date: 2017-04-19

Abstract

The invention discloses a novel pencil sharpener. The novel pencil sharpener aims to solve the problem that in the prior art, sharpening is troublesome. The novel pencil sharpener comprises a cylindrical shell, a pencil sharpener body, a flat pen point edge and a reset sprig, wherein a guide rail or a guide groove is arranged on the inner wall of the shell in the axial direction; guide grooves or guide rails matched with the guide rail or the guide groove of the shell are arranged on the two sides of a sharpener rack, and a pen holder cutter is arranged in the cylindrical shell and can slide along the guide rail or the guide groove of the shell; the flat pen point edge is arranged in the position, corresponding to a pencil lead extending hole, of the bottom of the shell; and the reset spring is arranged between the bottom inside the shell and the bottom of the pen holder cutter. By the adoption of the structure, the pen holder part of a pencil can be cut to be conical firstly, the pencil lead part is made to stretch out of the sharpener rack, then the sharpener rack is moved backwards, the pencil lead is inserted into the flat pen point edge, the flat pen point edge is made to sharpen the pencil lead, and accordingly the purpose of sharpening the pen point to be flat is achieved.

Description

A kind of Novel sharpener

Technical field

The invention belongs to office appliance field, more particularly to a kind of Novel sharpener.

Background technology

Pencil sharpener is the instrument for sharpening a pencil, and when the 17th century, people are sharpening a pencil with knife.With entering for society Step, to 19 beginnings of the century, people not only need to use more pencils, and the spent time that sharpens a pencil there has also been higher Requirement, the pencil sharpener of theory of mechanics is exactly to arise at the historic moment in such a case.1828, Frenchman invented in the world first Pencil sharpener, in ensuing several centuries, pencil sharpener has been developing progressively well known appearance.

Student is when answering card is coated, it is desirable to use Pencil with 2B hardness.As the answer bar on answering card is rectangle, therefore, The nib of pencil is preferably blunt nosed, to improve coating efficiency and quality.However, the nib cut out using common pencil sharpener is excessively sharp, Answering card is easily scratched during coating, and nib is easily snapped off, therefore, the pen core for cutting out needs to carry out by way of hand grinding blunt Change.Hand grinding is time-consuming and pen core is easily snapped off, and reduces the efficiency and quality for sharpening a pencil.

The content of the invention

A kind of Novel sharpener, including：Knife rest with taper patchhole, is provided with crumb mouth in taper patchhole side, The blade tangent with taper patchhole is fixed with the knife rest of crumb mouth side；It is provided with and pencil pen in taper patchhole bottom The suitable pencil-lead of core diameter stretches out hole；The guide groove that is adapted with housing rails or guide groove is provided with described knife rest both sides or is led Rail, described penholder knife of cutting are located at barrel-type casing interior energy along guide rail or guide groove slip；The length of blade and knife rest is inserted with taper Enter the length in hole quite, and the cone formed by the extended line of taper patchhole is located at outside knife rest.

The corresponding position in hole is stretched out in described housing bottom and pencil-lead be provided with the Flat tip edge of a knife；Described flat The nib edge of a knife is an ordinary blade, in described housing inner bottom part and to cut and be provided with back-moving spring between penholder knife bottom, in institute A rounded pencil pencil sharpener is also provided with side by side in the barrel-type casing stated, and at the opening of described barrel-type casing is provided with baffle plate, On described baffle plate, the corresponding taper patchhole for cutting penholder knife is provided with matched through hole.

Using said structure, the penholder part of pencil can be whittled into into cone first, and make pen core part stretch out knife rest, so Follow rest after backward, makes pen core insert to the Flat tip edge of a knife, makes the Flat tip edge of a knife cut pen core, so as to reach by Nib is whittled into the purpose of flat (square or rectangle).

Description of the drawings

Fig. 1 is the structural representation of the present invention；

As shown in Figure 1：Housing 1, guide rail 11, guide rail 21, crumb mouth 3, blade 4, the edge of a knife 5, back-moving spring 6, knife Frame 7, stretch out hole 8, pencil sharpener 9.

Specific embodiment

In order that technical problem solved by the invention, technical scheme and beneficial effect become more apparent, below in conjunction with Drawings and Examples, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to The present invention is explained, is not intended to limit the present invention.

One barrel-type casing 1, housing is square tube shape, is axially arranged with guide rail 11 in 1 inwall of housing, Novel sharpener in, bag Include：Knife rest 7 with taper patchhole, is provided with crumb mouth 3 in taper patchhole side, fixed on the knife rest of crumb mouth side There is the blade 4 tangent with taper patchhole；The pencil-lead suitable with pencil-lead diameter is provided with taper patchhole bottom to stretch out Hole 8；The guide rail 21 being adapted with housing rails or guide groove is provided with described knife rest both sides, described penholder knife of cutting is located at tubular Housing interior energy is slided along guide rail or guide groove；Wherein, the length of blade and knife rest is suitable with the length of taper patchhole, and taper The cone formed by the extended line of patchhole is located at outside knife rest.

The corresponding position in hole is stretched out in described housing bottom and pencil-lead be provided with the Flat tip edge of a knife 5；Described is flat The shape nib edge of a knife can be an ordinary blade.In described housing inner bottom part and to cut and back-moving spring is provided between penholder knife bottom 6。

In summary, Flat tip pencil sharpener of the invention is will to cut penholder part and cut nib two parts to separate, i.e. first The penholder part of pencil is whittled into into cone, and makes pen core part stretch out knife rest, be then moved rearwards by knife rest, pen core is inserted to flat The shape nib edge of a knife, makes the Flat tip edge of a knife cut pen core, and nib is whittled into flat (square or rectangle) so as to reach Purpose.

In order to strengthen its practicality, a common pencil sharpener 9 is also provided with described barrel-type casing side by side.So To cut Flat tip, it is also possible to cut conical pen point.In order to prevent the knife rest of Flat tip pencil sharpener during moving forward and backward Drop out, baffle plate (not shown) is provided with the opening of described barrel-type casing, correspondence cuts penholder knife on described baffle plate Taper patchhole is provided with matched through hole.

Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims

1. a kind of Novel sharpener, it is characterised in that include：One barrel-type casing, is axially arranged with guide rail or guide groove in inner walls, One cuts penholder knife, including：Knife rest with taper patchhole, is provided with crumb mouth in taper patchhole side, in crumb mouth side Knife rest on be fixed with the blade tangent with taper patchhole；

The pencil-lead suitable with pencil-lead diameter is provided with taper patchhole bottom and stretches out hole；It is provided with described knife rest both sides The guide groove being adapted with housing rails or guide groove or guide rail, described penholder knife of cutting are located at barrel-type casing interior energy along guide rail or guide groove Slide；Wherein, the length of blade and knife rest is suitable with the length of taper patchhole, and the extended line of taper patchhole is formed Cone be located at knife rest outside.

2. a kind of Novel sharpener according to claim 1, it is characterised in that stretch in described housing bottom and pencil-lead Corresponding position of portalling is provided with the Flat tip edge of a knife, in described housing inner bottom part and to cut and be provided with reset between penholder knife bottom Spring, in described barrel-type casing is also provided with a pencil sharpener side by side, is provided with baffle plate at the opening of described barrel-type casing, On described baffle plate, the corresponding taper patchhole for cutting penholder knife is provided with matched through hole.