CN2171495Y - 夜间照明书写笔 - Google Patents

夜间照明书写笔 Download PDF

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Publication number
CN2171495Y
CN2171495Y CN 93237193 CN93237193U CN2171495Y CN 2171495 Y CN2171495 Y CN 2171495Y CN 93237193 CN93237193 CN 93237193 CN 93237193 U CN93237193 U CN 93237193U CN 2171495 Y CN2171495 Y CN 2171495Y
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night
pen
utility
model
lighting
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Expired - Fee Related
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CN 93237193
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张颖滨
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Abstract

本实用新型涉及一种笔,特别涉及一种能在夜间 书写并照明的笔。本实用新型采用点接触方式,转动 尾套从而使前灯珠亮而能在夜间书写,或使后灯珠亮 而能起照明作用,由于结构简单,因而成本低、体积 小,并且不易损坏,能够满足学生夜间学习而不打扰 他人、野外工作人员在夜间可照常作记录,从而获得 诸多方便。

Description

本实用新型涉及一种笔,特别涉及一种能够在夜间照明并书写的笔。
市场上有多种多样的笔,但均不能解决在夜间书写的难题。许多学生要夜间学习而不开灯打扰别人,野外工作者在夜间要作记录等均由于没有夜间照明书写笔而不能满意。做到照明、书写而又具有结构简单、成本低等特点的笔更是没有。
本实用新型的目的就是要克服上述缺陷,设计一种简单、价廉而又实用的夜间照明书写笔。
本实用新型的技术方案是:笔筒前段中间设计有一接头,笔筒后段内设置电池,笔筒前部一侧有灯泡。
本发明的优点在于能在夜间放出光亮而书写,也可单独用作照明用,并且体积小、成本低、结构简单。
附图说明:
图1--本实用新型结构剖面图
图2--本实用新型电路原理图。
实施例:
如图1、图2所示,转动尾套6,当尾套6内的灯珠7的负极与电池负极(笔筒2外壳)接通,灯珠5的正负极均接在电池4的负极上,故灯珠5不亮,而尾套6内灯珠7亮,作照明用;当转动尾套6至另一点时,灯珠7的负极与电池4负极(笔筒2外壳)断开,因而灯珠7熄灭;但灯珠5的正极通过电灯珠7形成串联电路,与电池4正极接通,由于灯珠5的电阻值大大大于灯珠7的电阻值,灯珠5上的电压大,因而灯珠5发光,而灯珠7不发光。
本实用新型采用两节7号电池,电压3V。

Claims (2)

1、夜间照明书写笔,有笔芯1、笔筒2,其特征在于笔筒2前段中间设计有一接头3,笔筒2后段内设置电池4,笔筒2前部一侧有灯泡5。
2、根据权利要求1所述的夜间照明书写笔,其特征在于笔筒2尾部有一可转动的尾套6,其上设有灯泡7。
CN 93237193 1993-07-02 1993-07-02 夜间照明书写笔 Expired - Fee Related CN2171495Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93237193 CN2171495Y (zh) 1993-07-02 1993-07-02 夜间照明书写笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93237193 CN2171495Y (zh) 1993-07-02 1993-07-02 夜间照明书写笔

Publications (1)

Publication Number Publication Date
CN2171495Y true CN2171495Y (zh) 1994-07-13

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Family Applications (1)

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CN 93237193 Expired - Fee Related CN2171495Y (zh) 1993-07-02 1993-07-02 夜间照明书写笔

Country Status (1)

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CN (1) CN2171495Y (zh)

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