CN2201257Y - Writing pencil - Google Patents

Abstract

The utility model discloses a writing pencil. A lead core in the head of a pencil holder adopts a structure that the pencil holder clamps the lead core directly without sharpening a nib, and in a standard test the utility model can be used for smearing a card directly without a spacer. The utility model has the advantages of simple structure and low cost.

Description

Writing pencil

The utility model relates to a kind of writing appliance, particularly pencil.

Pencil commonly used has two kinds of wooden pencil and propelling pencils, and these pencils use timber more, and production technology is complicated, and cost is higher, and in standardization examination, the machine-read card blacking partly is generally rectangle, and the student is coated with card request and uses " 2B " pencil.And only sell wooden " 2B " pencil on the market, its lead for retractable pencil cross section is circular.In use, need sharpening, sharpening earlier, rely on special washer again, finish card-coating.The examination question that many examinees can answer originally because cut, sharpening delayed the time, perhaps because the card-coating holding time is more, directly influenced examinee's answer speed, makes the examinee be difficult to give play to normal level.

The purpose of this utility model provides a kind of pencil, especially during card filling in standardized tests, can adorn different lead for retractable pencils as required, need not fine away, sharpening, without pad.

For achieving the above object, the utility model solution is, a penholder inner chamber part is cylindrical, required lead for retractable pencil is housed, the penholder afterbody links to each other with the pen plug, and other side of pen plug is equipped with rubber, and the penholder head center leaves lead for retractable pencil and portals, have longitudinal slot by the penholder center and also tightly lock, so that effectively clamp lead for retractable pencil with the taper firmware.

Since in the above-mentioned solution fixedly lead for retractable pencil adopt the direct clamping structure of penholder head, can make and adorn different lead for retractable pencils in the penholder as required.When particularly " 2B " lead for retractable pencil is used in standardization examination, can be without pad, constantly lead for retractable pencil need not fined away, direct card-coating, and it also have simple in structure, the characteristics that cost is low.

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

Fig. 2 is the cutaway view of Fig. 1 along the A--A line.

The utility model is described in further detail below in conjunction with drawings and Examples.

In Fig. 1, penholder (2) inner chamber is cylindrical, pen plug (1) links to each other with screw thread with the penholder afterbody, the penholder head center leaves lead for retractable pencil portals, and the cross section in hole is a rectangle, has two vertical slots of symmetry by the penholder center, slit-widths is that lead for retractable pencil goes out half of hole width, and fastening with fastening nut (3), fastening nut and penholder coupling part are taper, so that effectively locking.

Claims (4)

1, a kind of pencil is made up of pen plug (1), penholder (2), it is characterized in that the penholder internal cavity is cylindrical, and the penholder head has the longitudinal slot by the center, and conical fastener (3) is enclosed within the penholder conical nose.

2, pencil as claimed in claim 1 is characterized in that pen head tapering part and securing member (3) inner chamber all is processed with screw thread.

3, pencil as claimed in claim 1 is characterized in that the penholder head has two symmetrical slits of passing the penholder center, with the folder lead for retractable pencil.

4,, it is characterized in that the pen head pencil-lead cross section that portals is a rectangle as pencil as described in the claim 1,2 or 3.

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