CN105584248A - 弹性圆珠笔头 - Google Patents

弹性圆珠笔头 Download PDF

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Publication number
CN105584248A
CN105584248A CN201610147001.8A CN201610147001A CN105584248A CN 105584248 A CN105584248 A CN 105584248A CN 201610147001 A CN201610147001 A CN 201610147001A CN 105584248 A CN105584248 A CN 105584248A
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Prior art keywords
ball
spring
elastic
ballpoint pen
pen cap
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CN201610147001.8A
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English (en)
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冯文达
兰天擎
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Individual
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Individual
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Priority to CN201610147001.8A priority Critical patent/CN105584248A/zh
Publication of CN105584248A publication Critical patent/CN105584248A/zh
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/084—Ball beds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K1/00—Nibs; Writing-points
    • B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
    • B43K1/086—Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs
    • B43K1/088—Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs with an intermediate element between the resilient supporting means and the ball

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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弹簧顶丝直线上设有螺旋丝。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。
背景技术
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直线上设置的螺旋丝形成的凸部，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弹簧顶丝直线上设有螺旋丝。
本发明的优点是：细小弹簧顶丝直线上的螺旋丝限位效果更加稳定可靠，球珠滚动和墨水流动顺畅。
附图说明
图1是实施例的圆珠笔头结构图。
图中：1.球珠；2.弹簧顶丝；3.螺旋丝；4.光滑小孔；5.笔尖。
具体实施方式
参照图1所示，将设有螺旋丝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，墨水沿着螺距空间流动。根据球珠和小孔直径，也可以选择将设在光滑小孔中的圆柱形压缩弹簧的内孔套装在一小段单独的直线顶丝上，用弹簧的外径直接限定顶丝径向位移，以便保持顶丝对准球珠。

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弹簧顶丝直线上设有螺旋丝。
CN201610147001.8A 2016-03-15 2016-03-15 弹性圆珠笔头 Pending CN105584248A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610147001.8A CN105584248A (zh) 2016-03-15 2016-03-15 弹性圆珠笔头

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610147001.8A CN105584248A (zh) 2016-03-15 2016-03-15 弹性圆珠笔头

Publications (1)

Publication Number Publication Date
CN105584248A true CN105584248A (zh) 2016-05-18

Family

ID=55924304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610147001.8A Pending CN105584248A (zh) 2016-03-15 2016-03-15 弹性圆珠笔头

Country Status (1)

Country Link
CN (1) CN105584248A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110239256A (zh) * 2019-07-23 2019-09-17 上海晨光文具股份有限公司 一种防漏墨弹簧笔头、圆珠笔笔芯及圆珠笔

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08118881A (ja) * 1994-10-19 1996-05-14 Toppan Printing Co Ltd 筆記具
JPH08267985A (ja) * 1995-03-29 1996-10-15 Pilot Corp:The ボ−ルを筆記媒体とするペン先部構造
CN1274651A (zh) * 1999-05-25 2000-11-29 东亚铅笔株式会社 碰撞型圆珠笔的端部机构
JP2001191679A (ja) * 2000-01-13 2001-07-17 Mitsubishi Pencil Co Ltd ボールペンチップ
JP2002356085A (ja) * 2001-05-31 2002-12-10 Pentel Corp 筆記具
CN1496862A (zh) * 2002-10-22 2004-05-19 ��ī�����˹��ʽ���� 圆珠笔
JP2006102956A (ja) * 2004-09-30 2006-04-20 Pilot Ink Co Ltd ボールペン先端部
CN2818157Y (zh) * 2005-07-25 2006-09-20 林家雄 改进的笔尖防漏结构
CN201376405Y (zh) * 2009-03-20 2010-01-06 林大喜 不锈钢超细全针管弹性笔头
JP2012179751A (ja) * 2011-02-28 2012-09-20 Pentel Corp ボールペンチップ
CN102848793A (zh) * 2011-12-15 2013-01-02 上海晨光文具股份有限公司 针管型弹簧笔头及包括该弹簧笔头的圆珠笔笔芯

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08118881A (ja) * 1994-10-19 1996-05-14 Toppan Printing Co Ltd 筆記具
JPH08267985A (ja) * 1995-03-29 1996-10-15 Pilot Corp:The ボ−ルを筆記媒体とするペン先部構造
CN1274651A (zh) * 1999-05-25 2000-11-29 东亚铅笔株式会社 碰撞型圆珠笔的端部机构
JP2001191679A (ja) * 2000-01-13 2001-07-17 Mitsubishi Pencil Co Ltd ボールペンチップ
JP2002356085A (ja) * 2001-05-31 2002-12-10 Pentel Corp 筆記具
CN1496862A (zh) * 2002-10-22 2004-05-19 ��ī�����˹��ʽ���� 圆珠笔
JP2006102956A (ja) * 2004-09-30 2006-04-20 Pilot Ink Co Ltd ボールペン先端部
CN2818157Y (zh) * 2005-07-25 2006-09-20 林家雄 改进的笔尖防漏结构
CN201376405Y (zh) * 2009-03-20 2010-01-06 林大喜 不锈钢超细全针管弹性笔头
JP2012179751A (ja) * 2011-02-28 2012-09-20 Pentel Corp ボールペンチップ
CN102848793A (zh) * 2011-12-15 2013-01-02 上海晨光文具股份有限公司 针管型弹簧笔头及包括该弹簧笔头的圆珠笔笔芯

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110239256A (zh) * 2019-07-23 2019-09-17 上海晨光文具股份有限公司 一种防漏墨弹簧笔头、圆珠笔笔芯及圆珠笔
CN110239256B (zh) * 2019-07-23 2024-04-12 上海晨光文具股份有限公司 一种防漏墨弹簧笔头、圆珠笔笔芯及圆珠笔

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