CN2224101Y

CN2224101Y - Rotating sharpener for pencil

Info

Publication number: CN2224101Y
Application number: CN 95215018
Authority: CN
Inventors: 段成前
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-06-15
Filing date: 1995-06-15
Publication date: 1996-04-10
Anticipated expiration: 2005-06-15

Abstract

The utility model relates to a pencil sharpener, comprising wood components for cutting pencils in a rotating way and lead core sharpening components, wherein, the wood components for cutting pencils in a rotating way are composed of a knife holder (1), a conical bore (4) which is arranged on the knife holder (1) for inserting pencils, a screw nail (2) which is fixed on opening edge line of the conical bore (4) for inserting pencils on the knife frame (1), and the rolling blade (3) of the conical bore for a knife edge to cut in; the lead core sharpening components are composed of the knife holder (1), a semicircle conical pencil groove (5) which is arranged on the knife holder (1), a screw nail (8) which is fixed in a blade socket (6) arranged on the knife holder (1), a knife blade (7) which is above 0.2-0.35 mm of the bottom of the semicircle conical pencil groove, and a hollow body for storing lead scraps (9) which is under the blade socket (6). The utility model not only is used for cutting off wood and leaving the lead core behind in the rolling and cutting pencil wood components, but also is used for cutting out a required good writing pencil in the sharpening lead core components. The pencil sharpener has the advantages of non-broken lead cores, good control, high speed, and good quality.

Description

Rotating sharpener for pencil

The utility model relates to the pencil volume and cuts the device field, and it is that the pencil volume is cut wooden and the instrument sharpening lead for retractable pencil.

Existing pencil sharpener, use more convenient apparently but because wooden pole and lead for retractable pencil cut simultaneously by a blade, so be easy to disconnected lead for retractable pencil in the practical operation, and the pencil of cutting out does not often reach and writes requirement, particularly the pupil uses having only about 1/5th that existing pencil sharpener sharpens a pencil, its pencil really can be used to write, wastes very big.

The purpose of this utility model is that existing pencil sharpener is improved, and a kind of new Rotating sharpener for pencil is provided, and this Rotating sharpener for pencil roll cutting pencil is wooden uses two blades respectively with the sharpening lead for retractable pencil, does not cut simultaneously and cuts.With its lead for retractable pencil that can not break that sharpens a pencil, and can require cut the pencil of any length and thickness according to writing.

To achieve these goals, the utility model Rotating sharpener for pencil is made up of roll cutting pencil wooden parts and sharpening lead for retractable pencil parts.

Roll cutting pencil wooden parts and existing general use volume graver are similar, it is by knife rest, a slotting conical bore of the upper opening on the knife rest, be placed on the knife rest and be fixed on the slotting conical bore opening sideline by screw, the volume wood blade of edge of a knife incision conical bore is formed, and characteristics are pencils when turning clockwise in conical bore, and the blade pencil of can pruning is wooden, can't cut lead for retractable pencil, can obtain the lead for retractable pencil of Len req.

Sharpening lead for retractable pencil parts are contained the cavity of plumbous bits down by the half cone-shaped pencil groove on knife rest, the knife rest, blade socket, blade socket, insert in the blade socket by screw fixingly, and the edge of a knife exceeds the paring blade of half cone-shaped pencil trench bottom 0.2-0.35mm and forms.The knife rest of its knife rest and roll cutting pencil wooden parts fuses.The angle of half cone-shaped pencil trough line and paring blade is 45-55 °.The edge of a knife of paring blade is circular arc or linear.Along the push-and-pull of half cone-shaped pencil groove, lead for retractable pencil is cut by paring blade the wooden pencil of pruning, and the lead bits under cutting are fallen into and contained in the plumbous bits cavity.Can cut the pencil of writing.

Knife rest is made with the modified hard plastics.

The utility model is simple in structure, handling ease, and cost is low, and roll cutting pencil is controlled easily, and speed is fast, and quality is good, and lead for retractable pencil can not break.

Concrete structure of the present utility model is by following embodiment

Fig. 1 is the front view of the utility model embodiment.

Fig. 2,3,4 is respectively upward view, vertical view and the A-A cutaway view of the utility model embodiment.

As shown in drawings, this Rotating sharpener for pencil contains knife rest 1, rolling up has to insert a conical bore 4 on part, the knife rests 1 such as wooden blade 3, screw 2,8 and paring blade 7, a half cone-shaped pencil groove 5, be positioned at half cone-shaped pencil groove middle part an oblique blade socket 6 is arranged, have in blade socket 6 bottoms and contain plumbous bits cavity 9, insert on the conical bore 4 opening is arranged, rolling up wooden blade 3 usefulness screws 2 is fixed on the opening sideline of the slotting conical bore 4 on the knife rest 1, edge of a knife incision conical bore, paring blade 7 usefulness screws 8 are fixed in the blade socket 6.

Knife rest 1, the volume wood blade 3 composition roll cutting pencil wooden parts of inserting a conical bore 4, be fixed on the opening sideline of inserting a conical bore 4 with screw 2 on the knife rest 1, edge of a knife incision conical bore.In pencil clockwise direction when rotation in conical bore,, the edge of a knife can downcut the wooden of suitable thickness equably, stays lead for retractable pencil.

Knife rest 1, the semicircle pencil groove 5 on the knife rest 1 is inserted in the blade socket 6 and forms sharpening lead for retractable pencil parts by screw 8 fixing paring blades 7.End 0.3mm, paring blade 7 that the edge of a knife of paring blade 7 exceeds half cone-shaped pencil groove 5 are 50 ° with half cone-shaped pencil groove 5 bottom line angles.When the volume wooden pencil that leaves lead for retractable pencil of pruning, in half cone-shaped pencil groove 5 before and after push-and-pull, and constantly during rotation pencil, just can cut the pencil of writing on demand.And can repair at any time the wooden pencil of having pruned and cut.

Claims

1, a kind of Rotating sharpener for pencil, it comprises knife rest (1), a slotting conical bore (4) of the upper opening on the knife rest (1), be fixed on inserting on a conical bore (4) the opening sideline on the knife rest (1) by screw (2), the roll cutting pencil wooden parts that the volume wood blade (3) of edge of a knife incision conical bore constitutes, it is characterized in that it also comprises by knife rest (1), half cone-shaped pencil groove (5) on the knife rest (1), blade socket (6), the plumbous bits of Sheng under blade socket cavity (9), be inserted in the blade socket (6) fixing by screw (8), the edge of a knife exceeds the sharpening lead for retractable pencil parts of paring blade (7) formation of half cone-shaped pencil trench bottom 0.2-0.35mm, pencil turns clockwise in a slotting conical bore (4), and the blade pencil of can pruning is wooden, can't cut lead for retractable pencil.

2, Rotating sharpener for pencil as claimed in claim 1 is characterized in that the bottom line of half cone-shaped pencil groove (5) and the angle of paring blade (7) are 45-55 °.

3, Rotating sharpener for pencil as claimed in claim 1, the edge of a knife that it is characterized in that paring blade (7) is circular arc or linear.