CN201287530Y - 微声安全笔 - Google Patents

微声安全笔 Download PDF

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Publication number
CN201287530Y
CN201287530Y CNU2008201914768U CN200820191476U CN201287530Y CN 201287530 Y CN201287530 Y CN 201287530Y CN U2008201914768 U CNU2008201914768 U CN U2008201914768U CN 200820191476 U CN200820191476 U CN 200820191476U CN 201287530 Y CN201287530 Y CN 201287530Y
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pen
pen core
tooth card
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cap
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CNU2008201914768U
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English (en)
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夏超
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Abstract

一种微声安全笔,由笔套(1)、笔芯(3)、笔芯套(5)组成,笔芯套(5)上设有笔芯套齿卡(6),笔套(1)上设有笔套齿卡(7)和复位弹簧(8)及齿卡按钮(9),笔芯套齿卡(6)与笔套齿卡(7)可吻合相卡,这种笔使用开启声响极微小,笔芯缩回复位声响也小,不刺伤皮肤,不污损衣物。

Description

微声安全笔
技术领域
本实用新型涉及笔,具体地涉及微声安全笔。
背景技术
现有的圆珠笔使用时,按钮启动声响较大,尤其在大型考试场所,容易影剧响他人,这种笔若是忘记套上笔筒,笔尖则容易划破皮肤或弄脏衣物,或者摔坏笔尖头。
发明内容
本实用新型的目的是设计微声安全笔。
本实用新型的技术方案是:笔芯插入笔芯套中,再将笔芯套放入笔套里,笔套内设有稳定笔芯套的笔套小柱和笔套齿卡,笔套的适当部位还装有复位弹簧和齿卡按钮。
上述微声安全笔开启工作时声响极小,关闭工作声响也极微,且不会损坏衣物和刺伤皮肤,安全卫生。
下面结合说明书附图及实施例对本实用新型详加说明。
附图说明
说明书附图是微声安全笔的结构示意图。
图中:1—笔套,2笔芯套顶,3—笔芯,4—笔套小柱,5—笔芯套,6—笔芯套齿卡,7—笔套齿卡,8—复位弹簧,9—齿卡按钮。
具体实施方式
实施例1:如说明书附图所示,微声安全笔由笔套(1)、笔芯(3)、笔芯套(5)组成,笔芯(3)头部设有笔芯套顶(2),笔芯套顶(2)中有笔尖,笔芯套顶(2)与笔芯套(5)外径等宽,笔芯套(5)上设有笔芯套齿卡(6),笔套(1)适当部位适当部位设有笔套小柱(4),笔套小柱(4)稳住笔芯套(5)移动中不变形弯曲,笔套(1)适当部位上还设有笔套齿卡(7),笔套齿卡(7)与笔芯套齿卡(6)对应,笔套(1)的笔套齿卡(7)部段还设有复位弹簧(8)和齿卡按钮(9),复位弹簧(8)设在笔套齿卡(7)中间部位,复位弹簧(8)两端头分别固定在笔套(1)外圈和齿卡按纽(9)中,齿卡按纽(9)是笔套齿卡(7)和复位弹簧(8)外沿用复合材料作的箍套,推动笔芯套(5)时,笔芯套齿卡(6)与笔套齿卡(7)吻合卡住,笔芯(3)的笔芯套顶(2)中伸出笔尖头。
实施例2:如说明书附图所示和实施例1所述的微声安全笔,写完字后,退回笔芯套(5),笔套齿卡(7)与笔芯套齿卡(6)脱离,复位弹簧(8)使齿卡按纽(9)弹回复位。

Claims (1)

1.微声安全笔,其特征在于微声安全笔由笔套(1)、笔芯(3)、笔芯套(5)组成,笔套(1)内固定有笔套小柱(4),笔套(1)适当部位设有笔套齿卡(7)、复位弹簧(8)、齿卡按钮(9),笔芯(3)的笔芯套顶(2)与笔芯套(5)的外径相等,笔芯套齿卡(6)与笔套齿卡(7)可以吻合相卡。
CNU2008201914768U 2008-10-16 2008-10-16 微声安全笔 Expired - Fee Related CN201287530Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201914768U CN201287530Y (zh) 2008-10-16 2008-10-16 微声安全笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201914768U CN201287530Y (zh) 2008-10-16 2008-10-16 微声安全笔

Publications (1)

Publication Number Publication Date
CN201287530Y true CN201287530Y (zh) 2009-08-12

Family

ID=40979202

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201914768U Expired - Fee Related CN201287530Y (zh) 2008-10-16 2008-10-16 微声安全笔

Country Status (1)

Country Link
CN (1) CN201287530Y (zh)

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090812

Termination date: 20091116