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CN201264437Y - 一种自动笔 - Google Patents

一种自动笔 Download PDF

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Publication number
CN201264437Y
CN201264437Y CNU2008201876516U CN200820187651U CN201264437Y CN 201264437 Y CN201264437 Y CN 201264437Y CN U2008201876516 U CNU2008201876516 U CN U2008201876516U CN 200820187651 U CN200820187651 U CN 200820187651U CN 201264437 Y CN201264437 Y CN 201264437Y
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CN
China
Prior art keywords
pencil
cap
lead
propelling
pen core
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008201876516U
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English (en)
Inventor
赵恒尧
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Individual
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Individual
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Filing date
Publication date
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Priority to CNU2008201876516U priority Critical patent/CN201264437Y/zh
Application granted granted Critical
Publication of CN201264437Y publication Critical patent/CN201264437Y/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

本实用新型公开了一种自动笔,涉及一种可以节约铅芯的自动笔。它包括笔帽、笔筒和笔芯,所述的笔芯头部有与笔帽内表面螺纹相对应的螺纹,在螺纹圆柱外侧设置一圆锥台。本实用新型在笔芯的螺纹圆柱后设置一圆锥台,减小了笔芯头部与笔帽出口的距离,增加了铅芯的利用率,节约了资源。

Description

一种自动笔
技术领域
本实用新型涉及一种自动笔,具体地说是一种可以节约铅芯的自动笔。
背景技术
人们在使用自动笔时,通常当铅芯还有1.5厘米时就不能使用了,这主要是由于笔芯头部与笔帽出口的距离太大导致的,虽然只有1.5厘米,但也是一种浪费,并且是一种完全可以避免的浪费。
实用新型内容
本实用新型的目的在于提供一种自动笔,该自动笔的使用可以节约铅芯,增加了铅芯的利用率,节约了资源。
本实用新型解决其技术问题所采取的技术方案是:一种自动笔,包括笔帽、笔筒和笔芯,所述的笔芯头部有与笔帽内表面螺纹相对应的螺纹,在螺纹圆柱外侧设置一圆锥台。
本实用新型的有益效果是:在笔芯的螺纹圆柱外侧设置一圆锥台,减小了笔芯头部与笔帽出口的距离,增加了铅芯的利用率,节约了资源。
附图说明
图1为本实用新型的结构示意图。
图中:1笔帽,2圆锥台,3螺纹圆柱,4笔筒、5笔芯。
具体实施方式
如图1所示。一种自动笔,包括笔帽1、笔筒4和笔芯5,所述的笔芯5头部有与笔帽内表面螺纹相对应的螺纹,在螺纹圆柱3外侧设置一圆锥台2。由于在笔芯5的螺纹圆柱3外侧设置一圆锥台2,减小了笔芯头部与笔帽出口的距离,增加了铅芯的利用率,节约了资源。

Claims (1)

1、一种自动笔,包括笔帽、笔筒和笔芯,所述的笔芯头部有与笔帽内表面螺纹相对应的螺纹,在螺纹圆柱外侧设置一圆锥台。
CNU2008201876516U 2008-08-13 2008-08-13 一种自动笔 Expired - Fee Related CN201264437Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201876516U CN201264437Y (zh) 2008-08-13 2008-08-13 一种自动笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201876516U CN201264437Y (zh) 2008-08-13 2008-08-13 一种自动笔

Publications (1)

Publication Number Publication Date
CN201264437Y true CN201264437Y (zh) 2009-07-01

Family

ID=40830792

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201876516U Expired - Fee Related CN201264437Y (zh) 2008-08-13 2008-08-13 一种自动笔

Country Status (1)

Country Link
CN (1) CN201264437Y (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: 20090701

Termination date: 20090914