CN203077932U - 可伸缩笔芯 - Google Patents

可伸缩笔芯 Download PDF

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Publication number
CN203077932U
CN203077932U CN 201220757248 CN201220757248U CN203077932U CN 203077932 U CN203077932 U CN 203077932U CN 201220757248 CN201220757248 CN 201220757248 CN 201220757248 U CN201220757248 U CN 201220757248U CN 203077932 U CN203077932 U CN 203077932U
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pen core
refill
stretchable
bolt
nut
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Expired - Fee Related
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CN 201220757248
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English (en)
Inventor
王一然
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Individual
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Individual
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Abstract

一种可伸缩笔芯,其特征在于:所述的笔芯本体,笔芯本体的上端插装螺栓,螺栓上旋装内设螺丝扣的螺母。本实用新型的优点和有益效果是:笔芯可以通过旋转螺栓与螺母来调节其长度,以适用不同长度的笔杆,非常方便,笔芯使用完,只换笔芯,不会造成浪费。

Description

可伸缩笔芯
技术领域
本实用新型属于一种笔芯,特别涉及一种可伸缩笔芯。
背景技术
现在学生写字使用的签字笔的笔芯其长度是根据笔杆的长度设计为固定长度,这种笔芯存在着这样的缺陷:一种长度的笔芯只适用于一种笔杆;且笔芯使用完毕,只能全部扔掉。这样造成一定的浪费。另外,有些笔芯长度相差很小时,因笔杆的长度固定,也无法适用,为了节省,只能垫张纸凑合着使用。
实用新型内容
本实用新型的目的在于克服上述的缺陷,提供一种可伸缩笔芯,它可以适用多种笔杆使用,不会造成浪费。
本实用新型的目的是通过以下技术方案实现的:一种可伸缩笔芯,其特征在于:所述的笔芯本体,笔芯本体的上端插装螺栓,螺栓上旋装内设螺丝扣的螺母。
本实用新型的优点和有益效果是:笔芯可以通过旋转螺栓与螺母来调节其长度,以适用不同长度的笔杆,非常方便,笔芯使用完,只换笔芯,不会造成浪费。
附图说明
图1是本实用新型的结构示意图。
其中:1-笔芯本体,2-螺栓,3-螺母。
具体实施方式
实施例:如图所示,一种可伸缩笔芯,所述的笔芯本体1,笔芯本体的上端插装螺栓2,螺栓2上旋装内设螺丝扣的螺母3。

Claims (1)

1.一种可伸缩笔芯,其特征在于:包括笔芯本体,所述的笔芯本体,笔芯本体的上端插装螺栓,螺栓上旋装内设螺丝扣的螺母。 
CN 201220757248 2012-12-31 2012-12-31 可伸缩笔芯 Expired - Fee Related CN203077932U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220757248 CN203077932U (zh) 2012-12-31 2012-12-31 可伸缩笔芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220757248 CN203077932U (zh) 2012-12-31 2012-12-31 可伸缩笔芯

Publications (1)

Publication Number Publication Date
CN203077932U true CN203077932U (zh) 2013-07-24

Family

ID=48823800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220757248 Expired - Fee Related CN203077932U (zh) 2012-12-31 2012-12-31 可伸缩笔芯

Country Status (1)

Country Link
CN (1) CN203077932U (zh)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130724

Termination date: 20131231