CN2220943Y - 预防近视笔 - Google Patents

预防近视笔 Download PDF

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Publication number
CN2220943Y
CN2220943Y CN 95214039 CN95214039U CN2220943Y CN 2220943 Y CN2220943 Y CN 2220943Y CN 95214039 CN95214039 CN 95214039 CN 95214039 U CN95214039 U CN 95214039U CN 2220943 Y CN2220943 Y CN 2220943Y
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pen
pull bar
utility
model
pull rod
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CN 95214039
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张秀霞
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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
  • Pens And Brushes (AREA)
  • Drawing Aids And Blackboards (AREA)

Abstract

一种预防近视笔,其特点在于在笔杆内后部或笔帽内上部或笔上外部装有一拉杆尺,拉杆尺外表面均布有刻度,顶端有丁字形锥头,其外面包有橡胶套。该笔与拉杆尺结为一体能够保证儿童写字姿式,可预防儿童近视眼、具有结构简单,使用方便,可在中小学生中推广应用。

Description

预防近视笔
本实用新型涉及一种笔,是一种能够预防近视眼的笔。
目前,市场上出售的笔,可分为钢笔、圆珠笔、铅笔和毛笔,这些笔都没有预防近视眼的功能,孩子们练习写字,做作业常常是趴在桌子上,写字姿式不正确,日久天长眼睛变近视,姿式不正确是眼睛变近视的重要原因之一,据有关资料介绍,小学毕业生眼睛近视率可达40%以上,直接影响到儿童身体健康。
本实用新型的目的是这样实现的:在笔杆内后部或笔帽内上部装有一拉杆尺和丝堵,拉杆尺外表面均布有刻度,尺顶端设有丁字形锥头,其外面包有橡胶套。
在拉杆尺下端增设一接头,也可装在圆珠笔、铅笔或毛笔上外部。
该实用新型与现有技术相比具有以下优点:1)拉杆尺与笔结为一体,能保证儿童写字姿式,可预防儿童眼睛变近视;2)结构简单,使用方便;3)适应性广,只要在拉杆尺下节增设一接头,即可与圆珠笔、铅笔或毛笔配套;4)拉杆尺也可用来量东西,功能多。
下面结合附图作进一步说明:
图1预防近视笔结构示意图(钢笔使用态);
图2拉杆尺局部图(适用于圆珠笔、铅笔和毛笔)。
图1—2中:笔帽(1)、笔杆(3)、钢笔布袋(2)与原钢笔结构相同,只是在笔杆(3)后部或笔帽上部内间隙配合有拉杆尺(5)、丝堵(4),拉杆尺采用塑料或金属材料制成,有2--6节,150~250mm长,每节拉杆呈管形,外表面均布有刻度(8),上端有收口,下端有外翻过,以防内拉杆拉出,拉杆间间隙配合,可拉开也可收缩,最上端固有丁字形锥头(6),上面包有橡胶帽(7),若对圆珠笔、铅笔或毛笔,拉杆尺下端应增设一接头(9),接头内腔呈锥形、圆形或六方形,与笔杆上外部相吻合,使用时将拉杆尺(5)拉开,使笔杆加拉杆尺总长为340mm,这样可保证写字姿式,可预防近视眼。

Claims (3)

1、一种预防近视笔是由笔杆(3)、笔帽(1)、钢笔布袋(2)组成,其特征在于:在笔杆(3)内后部或笔帽(1)内上部装有拉杆尺(5)、丝堵(4),拉杆外表面均布有刻度(8),顶端设有丁字形锥头(6),其外面包有橡胶套(7)。
2、根据权利要求1所述的笔,其特征在于:拉杆尺(5)有2—6节,每节拉杆呈管形,上端有收口,下端有外翻边,外表面均布有刻度(8),拉杆间间隙配合。
3、权利要求1所述的笔,其特征在于:拉杆尺(5)若装在圆珠笔、铅笔、或毛笔上外部拉杆尺下端有接头(9),接头(9)内腔呈锥形、圆形或六方形,与笔杆上外部相吻合。
CN 95214039 1995-06-06 1995-06-06 预防近视笔 Expired - Fee Related CN2220943Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95214039 CN2220943Y (zh) 1995-06-06 1995-06-06 预防近视笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95214039 CN2220943Y (zh) 1995-06-06 1995-06-06 预防近视笔

Publications (1)

Publication Number Publication Date
CN2220943Y true CN2220943Y (zh) 1996-02-28

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ID=33863763

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95214039 Expired - Fee Related CN2220943Y (zh) 1995-06-06 1995-06-06 预防近视笔

Country Status (1)

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CN (1) CN2220943Y (zh)

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