CN104354509A

CN104354509A - Multifunctional sharpener

Info

Publication number: CN104354509A
Application number: CN201410638985.0A
Authority: CN
Inventors: 谢磊
Original assignee: CHANGSHU LEI YAN OFFICE SUPPLIES Co Ltd
Current assignee: Hubei Guohao Cultural and Creative Development Co., Ltd
Priority date: 2014-11-13
Filing date: 2014-11-13
Publication date: 2015-02-18
Anticipated expiration: 2034-11-13
Also published as: CN104354509B

Abstract

The invention discloses a multifunctional sharpener. The multifunctional sharpener comprises an outer frame body, an inner knife frame and a blade, wherein the outer frame body and the inner knife frame are integrally molded by virtue of an injection molding process, the inner knife frame consists of a left knife frame and a right knife frame, and the blade is fixedly arranged on the left knife frame by virtue of a bolt; the right knife frame and the outer frame body on the corresponding side are provided with refill head blunt end devices, and each refill head blunt end device consists of a taper hole, a cut-off knife, an elastic button and a refill outlet passage. The invention discloses a multifunctional sharpener which is unique in structural design; the inner knife frame and the outer frame body are additionally provided with the refill head blunt end devices which can be used for effectively blunting a penpoint, so that a student can conveniently use the penpoint when coating an answer sheet; meanwhile the refill head blunt end devices are reasonable in structure and convenient to use and can be used for effectively enhancing the practicability of the sharpener.

Description

A kind of Multifunction pencil sharpener

Technical field

The present invention relates to a kind of pencil sharpener, particularly relate to a kind of Multifunction pencil sharpener of being convenient to carry out nib passivation operation, belong to novel office table separation.

Background technology

Pencil sharpener is the instrument sharpened a pencil, and when the 17th century, people just sharpen a pencil with cutter.Along with the progress of society, to 19 beginnings of the century, people not only need to use more pencil, and there has also been higher requirement to the spent time that sharpens a pencil, and the pencil sharpener of theory of mechanics is exactly arise at the historic moment in such a case.1828, Frenchman invented first pencil sharpener in the world, and in ensuing several century, pencil sharpener is developed into the appearance known by people gradually.

Student, when applying answering card, requires to use Pencil with 2B hardness.Because the answer bar on answering card is rectangle, therefore, the nib of pencil is preferably blunt nosed, to improve coating efficiency and quality.But the nib using common pencil sharpener to cut out is excessively sharp, easily scratch answering card, and nib easily fractures during coating, therefore, the pen core cut out needs to carry out passivation by the mode of hand grinding.Consuming time and the pencil lead storing frangibility of hand grinding, reduces the efficiency and quality that sharpen a pencil.

Summary of the invention

For the demand, the invention provides a kind of Multifunction pencil sharpener, this pencil sharpener structural design is unique, knife rest and outer support body sets up the blunt nosed device of a pen core within it, this device can carry out effective passivation to shaping nib, so that student uses when applying answering card.

The present invention is a kind of Multifunction pencil sharpener, this pencil sharpener comprises outer support body, interior knife rest and blade, it is one-body molded that described outer support body and interior knife rest pass through Shooting Technique, described interior knife rest is made up of left knife rest and right knife rest, described blade adopts screw to be connected on left knife rest, described right knife rest and the outer support body of corresponding side thereof arrange the blunt nosed device of pen core, and the blunt nosed device of this pen core forms primarily of taper hole, cutoff tool, elastic button and knockout passage.

In a preferred embodiment of the present invention, described taper hole is arranged on right knife rest, and Qi Ding footpath is about 4.5mm, and footpath, the end is about 2mm, and the degree of depth is about 5mm.

In a preferred embodiment of the present invention, described cut-off rest is located at the positive right side of taper hole cone bottom, for cutting off the lead for retractable pencil stretched out from taper hole cone bottom.

In a preferred embodiment of the present invention, described cutoff tool is controlled by elastic button, and can realize horizontal reciprocating and move, total kilometres are about 5mm.

In a preferred embodiment of the present invention, described knockout channel setting is in the positive bottom of taper hole, and its diameter is about 2mm.

In a preferred embodiment of the present invention, described knockout passage is communicated with taper hole, and runs through whole right knife rest from top to bottom.

Present invention is disclosed a kind of Multifunction pencil sharpener, this pencil sharpener structural design is unique, and the blunt nosed device of pen core in it, knife rest and outer support body set up can carry out effective passivation to the nib after the system of cutting, so that student uses when applying answering card; Meanwhile, the blunt nosed apparatus structure of this pen core is reasonable, easy to use, effectively improves the practicality of pencil sharpener.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:

Fig. 1 is the structural representation of embodiment of the present invention Multifunction pencil sharpener;

In accompanying drawing, the mark of each parts is as follows: 1, outer support body, and 2, interior knife rest, 3, blade, 4, left knife rest, 5, right knife rest, 6, screw, 7, taper hole, 8, cutoff tool, 9, elastic button, 10, knockout passage.

Detailed description of the invention

Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.

Fig. 1 is the structural representation of embodiment of the present invention Multifunction pencil sharpener; This pencil sharpener comprises outer support body 1, interior knife rest 2 and blade 3, described outer support body 1 is one-body molded by Shooting Technique with interior knife rest 2, described interior knife rest 2 is made up of left knife rest 4 and right knife rest 5, described blade 3 adopts screw 6 to be connected on left knife rest 4, described right knife rest 5 and the outer support body 1 of corresponding side thereof arrange the blunt nosed device of pen core, and the blunt nosed device of this pen core forms primarily of taper hole 7, cutoff tool 8, elastic button 9 and knockout path 10.

In the Multifunction pencil sharpener that the present invention mentions, taper hole 7 is arranged on right knife rest 5, Qi Ding footpath is about 4.5mm, footpath, the end is about 2mm, the degree of depth is about 5mm, this structural design can make shaping nib fall into taper hole 7 structure completely, and nib has good stability and positioning precision in taper hole 7, effectively raises the quality of nib passivation operation.

Above-mentioned cutoff tool 8 is erected at the positive right side that taper hole 7 bores bottom, and this cutter bores from taper hole 7 lead for retractable pencil stretched out bottom for cutting off; Cutoff tool 8 is controlled by elastic button 9, and can realize horizontal reciprocating and move, total kilometres are about 5mm; When pressing elastic button 9, cutoff tool 8 transversely cutting lead for retractable pencil, when rebound elastic button 9 time, cutoff tool 8 auto-returned original position.

Knockout path 10 is arranged on the positive bottom of taper hole 7, and its diameter is about 2mm, and knockout path 10 is communicated with taper hole 7, and runs through whole right knife rest 5 from top to bottom; After completing nib passivation operation, the lead for retractable pencil of cut-out can drop in knockout path 10, so that the carrying out smoothly of nib passivation operation next time.

Present invention is disclosed a kind of Multifunction pencil sharpener, be characterized in: this pencil sharpener structural design is unique, the blunt nosed device of pen core in it, knife rest and outer support body set up can carry out effective passivation to the nib after the system of cutting, so that student uses when applying answering card; Meanwhile, the blunt nosed apparatus structure of this pen core is reasonable, easy to use, effectively improves the practicality of pencil sharpener.

The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.

Claims

1. a Multifunction pencil sharpener, it is characterized in that, this pencil sharpener comprises outer support body, interior knife rest and blade, it is one-body molded that described outer support body and interior knife rest pass through Shooting Technique, described interior knife rest is made up of left knife rest and right knife rest, described blade adopts screw to be connected on left knife rest, and described right knife rest and the outer support body of corresponding side thereof arrange the blunt nosed device of pen core, and the blunt nosed device of this pen core forms primarily of taper hole, cutoff tool, elastic button and knockout passage.

2. Multifunction pencil sharpener according to claim 1, is characterized in that, described taper hole is arranged on right knife rest, and Qi Ding footpath is about 4.5mm, and footpath, the end is about 2mm, and the degree of depth is about 5mm.

3. Multifunction pencil sharpener according to claim 1, is characterized in that, described cut-off rest is located at the positive right side of taper hole cone bottom, for cutting off the lead for retractable pencil stretched out from taper hole cone bottom.

4. Multifunction pencil sharpener according to claim 3, is characterized in that, described cutoff tool is controlled by elastic button, and can realize horizontal reciprocating and move, total kilometres are about 5mm.

5. Multifunction pencil sharpener according to claim 1, is characterized in that, described knockout channel setting is in the positive bottom of taper hole, and its diameter is about 2mm.

6. Multifunction pencil sharpener according to claim 5, is characterized in that, described knockout passage is communicated with taper hole, and runs through whole right knife rest from top to bottom.