CN2629975Y - Special pencil for answer card - Google Patents

Abstract

The utility model relates to a pencil, in particular to a special pencil for answering card, which is realized by the technical proposal that: the utility model comprises a lead core, the section of which is a rectangular, and a penholder, in which a lead core maintaining hole or tube is in relevant rectangular. The utility model has the advantages of: 1) time saving and even blackness, high painting quality, easy machine reading and wiping; 2) simple manufacturing and full utilization of the existing manufacturing art and equipment; 3) extensive purposes, and except for filling the answering card, the utility model can be used in such fields as mechanical drawing and art making etc.

Description

The answering card pencil special

Technical field

The utility model relates to a kind of pencil, more specifically to a kind of answering card pencil special.

Background technology

Computer technology is applied to every field increasingly extensively at present, changing the utilization that also obtains on the volume more and more, and demonstrate its superiority: efficient height, good reliability, just, thereby spread in all kinds of examinations, as: in examine, college entrance examination, prepare for the postgraduate qualifying examination, examinations such as the TOEFL, GRE all are provided with a certain amount of answering card topic, promptly computer changes the volume topic.The answer mode of answering card topic is the pencil rectangle frame blacking that selected answer code name is other that the examinee must use 2B, requirement can not be coated with out outer rectangular frame, otherwise mistake can appear recognizing in computer, the examinee is as with common when answering questions in writing topic, carefully careful scrawling repeatedly, and one side is time-consuming more, scrawling repeatedly on the one hand to cause stroke weight inconsistent, in case it is clear that the mistake of being coated with, heavy cut are difficult for wiping, can cause the computer erroneous judgement when serious.

Summary of the invention

The purpose of this utility model is the defective at above-mentioned existence, proposes a kind of answering card pencil special, and is achieved by following technical proposals:

Comprise lead for retractable pencil, penholder, wherein the cross section of lead for retractable pencil is a rectangle, and lead for retractable pencil is shielded and sustain hole or the corresponding rectangle of Guan Yicheng in the penholder.

The beneficial effects of the utility model are: 1) owing to adopted the lead for retractable pencil with certain width square-section to come the rectangle frame of blacking and lead for retractable pencil approximate width, only need once can be with the complete blacking of rectangle frame to two cuts, save time and blackness even, scrawle the quality height, be convenient to the machine-readable while to be easy to wiping 2 again); Make easyly, can make full use of the production technology of existing wooden pencil, propelling pencil and equipment and adjust a little and just can produce this answering card pencil special; 3) of many uses, except that being exclusively used in the full-filling answering card, also can be used for specialties such as mechanical drawing, fine arts making.

Description of drawings

Fig. 1 is the structural representation of embodiment 1

Fig. 2 is the structural representation of embodiment 2

1 is lead for retractable pencil among the figure, the 2nd, and penholder, the 3rd, shield and sustain the hole, the 4th, shield and sustain pipe.

The specific embodiment

Below in conjunction with accompanying drawing the utility model figure is described further.

Embodiment 1

Present embodiment is the answering card pencil special of a wooden penholder, and lead for retractable pencil 1 is pressed into the quadrangular of square-section by special mould, and the hardness of lead for retractable pencil 1 is 2B.Cross one symmetrical cross section, penholder 2 centers penholder is divided into symmetrical halves, shield and sustain hole 3 and also be divided into two halves up and down thereupon, four ribs of quadrangular lead for retractable pencil 1 are polished off a bit slightly, shield and sustain up and down in the hole 3 (referring to Fig. 1) so that lead for retractable pencil 1 has sub-fraction to place respectively, the back lead for retractable pencil 1 of being convenient to pressurize can more easily enter shields and sustain in the hole 3.The width L that shields and sustain hole 3 is slightly less than the width L ' of lead for retractable pencil, so that lead for retractable pencil 1 is pressed into and shields and sustain back, hole 3 both produce interference fit, lead for retractable pencil 1 is shielded and sustain hole 3 no relative plaies relatively.

Embodiment 2

Present embodiment is the answering card pencil special of automatic penholder type, and is the same with the foregoing description, and lead for retractable pencil 1 is the quadrangular that is pressed into the square-section by special mould, and the hardness of lead for retractable pencil 1 is 2B.Automatically the lead for retractable pencil propulsive mechanism 5 in the penholder 2 is identical with prior art, but lead for retractable pencil 1 to shield and sustain pipe 4 are quadrangulars of a square-section, referring to Fig. 2.

Claims (2)

1. the answering card special pens comprises lead for retractable pencil, penholder, and the cross section that it is characterized in that lead for retractable pencil is a rectangle, and lead for retractable pencil is shielded and sustain hole or the corresponding rectangle of Guan Yicheng in the penholder.

2. answering card special pens according to claim 1, the hardness that it is characterized in that described lead for retractable pencil is 2B.

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