CN2317091Y - 前控式插芯木质铅笔 - Google Patents

前控式插芯木质铅笔 Download PDF

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Publication number
CN2317091Y
CN2317091Y CN 97229409 CN97229409U CN2317091Y CN 2317091 Y CN2317091 Y CN 2317091Y CN 97229409 CN97229409 CN 97229409 CN 97229409 U CN97229409 U CN 97229409U CN 2317091 Y CN2317091 Y CN 2317091Y
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China
Prior art keywords
pencil
wooden
cover
lead
taper
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Expired - Fee Related
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CN 97229409
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English (en)
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上官志勇
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Individual
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Individual
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Priority to CN 97229409 priority Critical patent/CN2317091Y/zh
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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

本实用新型提供了一种前控式插芯木质铅笔,由铅芯和木质套组成,木质套前端为圆锥形,沿圆锥轴心面开有一槽口,木质套前端还装有一个可固定铅芯的外套。不须削去木质层,调出铅芯所需长度后固定铅芯即可使用。既节约木材又节省时间。

Description

前控式插芯木质铅笔
本实用新型涉及一种铅笔,特别是一种前控式插芯木质铅笔。
现有木质铅笔的铅芯与木质套之间固定,使用时须用刀具削去木质层露出铅芯方可使用,不仅浪费木材,而且耽误时间。
本实用新型的目的在于提供一种既节约木材,又节省时间的前控式插芯木质铅笔。
为实现上述目的,本实用新型的技术方案是这样的:铅芯与木质套可相对活动,木质套的前端为园锥形,沿园锥轴心面开有一槽口,木质套前端装有一外套,用于固定铅芯,外套由带有内螺纹的园柱形套和带外螺纹的园锥形套组成,内螺纹和外螺纹相吻合。使用时,松开外套的园锥形套,调出所需铅芯长度后,再拧紧园锥形套,园锥形套的顶部在拧紧过程中卡紧木质套前端的槽口,将铅芯固定,这样即可使用。
本实用新型跟现有技术相比,其优点和效果在于:使用时不须削铅笔木质表层,既节约木材又节省时间。
下面结合附图对本实用新型作进一步阐述。
附图为本实用新型的截面图。
如附图所示,铅芯1和木质套2可相对活动,木质套2的前端3为园锥形,沿园锥轴心面开有一槽口4,木质套2的前端3装有一外套5,外套5由带内螺纹的园柱形套6和带外螺纹的园锥形套7组成,内螺纹和外螺纹相吻合,使用时,松开外套5的园锥形套7,调出所需铅芯长度,再拧紧园锥形套7,园锥形套7的顶部在拧紧过程中卡紧木质套2前端3的槽口4,将铅芯1固定,这样即可使用。

Claims (2)

1、一种前控式插芯木质铅笔,由铅芯和木质套组成,其特征在于:木质套的前端为园锥形,沿园锥轴心面开有一槽口,木质套前端还装有一个可固定铅芯的外套。
2、按权利要求1所述的前控式插芯木质铅笔,其特征在于:所述的装在铅笔前端的外套由带内螺纹的园柱形套和带外螺纹的园锥形套组成,园柱形套的内螺纹和园锥形套的外螺纹相吻合。
CN 97229409 1997-10-13 1997-10-13 前控式插芯木质铅笔 Expired - Fee Related CN2317091Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 97229409 CN2317091Y (zh) 1997-10-13 1997-10-13 前控式插芯木质铅笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 97229409 CN2317091Y (zh) 1997-10-13 1997-10-13 前控式插芯木质铅笔

Publications (1)

Publication Number Publication Date
CN2317091Y true CN2317091Y (zh) 1999-05-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 97229409 Expired - Fee Related CN2317091Y (zh) 1997-10-13 1997-10-13 前控式插芯木质铅笔

Country Status (1)

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CN (1) CN2317091Y (zh)

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