CN105667122A - 弹性圆珠笔头 - Google Patents

弹性圆珠笔头 Download PDF

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Publication number
CN105667122A
CN105667122A CN201610095842.9A CN201610095842A CN105667122A CN 105667122 A CN105667122 A CN 105667122A CN 201610095842 A CN201610095842 A CN 201610095842A CN 105667122 A CN105667122 A CN 105667122A
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China
Prior art keywords
pen head
elastic ball
ball
point
pen
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Pending
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CN201610095842.9A
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English (en)
Inventor
冯文达
兰天擎
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Individual
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Individual
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Priority to CN201610095842.9A priority Critical patent/CN105667122A/zh
Publication of CN105667122A publication Critical patent/CN105667122A/zh
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B43WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43KIMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00Nibs; Writing-points
    • B43K1/08Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/086Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs

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  • Pens And Brushes (AREA)

Abstract

一种文具领域的弹性圆珠笔头,包括球珠和笔尖,其特征是:位于笔尖光滑小孔中的单独弹簧顶丝局部具有扁状对称凸部。弹簧顶端精准定位和利于墨水通过管道。

Description

弹性圆珠笔头
技术领域
本发明是一种文具领域的弹性圆珠笔头。
圆珠笔头内部空间很小、构造精密复杂,中国CN100411883C、CN102848793B、、CN102892590B、CN102292403A公开的弹性圆珠笔头:针管型圆珠笔头在塑料连接件中设置弹簧或者弹头型圆珠笔头在笔尖内设置弹簧,利用螺旋弹簧钢丝前端顶住球珠后端,防止墨水泄漏或倒流,CN1244458C公开的弹簧顶丝前端具有弯曲部与球珠接触,钢丝与球珠配合同心度及书写时球珠平稳转动要求较高,笔头与墨水匹配及保证墨水流量难度较大。
发明内容
本发明要解决的技术问题是:弹簧顶端精准定位和利于墨水通过管道。采用笔尖光滑小孔中的弹簧顶丝局部形成的扁状对称凸部,限制弹簧顶丝径向移动,确保弹簧顶丝对准球珠中心,特别适合针管型圆珠笔头。
本发明的技术方案是:弹性圆珠笔头包括球珠和笔尖,其特征是:位于笔尖光滑小孔中的单独弹簧顶丝局部具有扁状对称凸部。
本发明的优点是:光滑小孔中的局部具有扁状对称凸部的弹簧顶丝与球珠接触配合,稳定可靠、简单易用,球珠滚动和墨水流动顺畅。
附图说明
图1是实施例的针管型圆珠笔头结构图。
图2是实施例的弹头型圆珠笔头结构图。
图中:1.球珠;2.弹簧顶丝;3.扁状对称凸部;4.光滑小孔;5.笔尖。
具体实施方式
参照图1、2所示,将局部具有扁状对称凸部3的弹簧顶丝2穿进笔尖5的光滑小孔4中,不书写时在弹力作用下弹簧顶丝4推抵球珠1封闭笔头,防止墨水泄漏;书写时作用在笔上的力推动球珠1开通笔头,保持墨水流动。

Claims (1)

1.一种文具领域的弹性圆珠笔头,包括球珠和笔尖,其特征是:位于笔尖光滑小孔中的单独弹簧顶丝局部具有扁状对称凸部。
CN201610095842.9A 2016-02-22 2016-02-22 弹性圆珠笔头 Pending CN105667122A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610095842.9A CN105667122A (zh) 2016-02-22 2016-02-22 弹性圆珠笔头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610095842.9A CN105667122A (zh) 2016-02-22 2016-02-22 弹性圆珠笔头

Publications (1)

Publication Number Publication Date
CN105667122A true CN105667122A (zh) 2016-06-15

Family

ID=56304808

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610095842.9A Pending CN105667122A (zh) 2016-02-22 2016-02-22 弹性圆珠笔头

Country Status (1)

Country Link
CN (1) CN105667122A (zh)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001121869A (ja) * 1999-10-29 2001-05-08 Pentel Corp ボールペン
CN1318474A (zh) * 2000-04-17 2001-10-24 斑马株式会社 用于圆珠笔的笔尖
JP2003136877A (ja) * 2001-10-31 2003-05-14 Pilot Ink Co Ltd ボールペン
CN2820550Y (zh) * 2005-09-28 2006-09-27 上海乐美文具有限公司 针管型弹簧笔头
JP2012179751A (ja) * 2011-02-28 2012-09-20 Pentel Corp ボールペンチップ
CN202727681U (zh) * 2012-06-18 2013-02-13 宁波中瑞文具有限公司 一种中性笔的笔头
CN203995212U (zh) * 2013-12-30 2014-12-10 冯文达 磁性圆珠笔头

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001121869A (ja) * 1999-10-29 2001-05-08 Pentel Corp ボールペン
CN1318474A (zh) * 2000-04-17 2001-10-24 斑马株式会社 用于圆珠笔的笔尖
JP2003136877A (ja) * 2001-10-31 2003-05-14 Pilot Ink Co Ltd ボールペン
CN2820550Y (zh) * 2005-09-28 2006-09-27 上海乐美文具有限公司 针管型弹簧笔头
JP2012179751A (ja) * 2011-02-28 2012-09-20 Pentel Corp ボールペンチップ
CN202727681U (zh) * 2012-06-18 2013-02-13 宁波中瑞文具有限公司 一种中性笔的笔头
CN203995212U (zh) * 2013-12-30 2014-12-10 冯文达 磁性圆珠笔头

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