CN2132860Y - 星形钉子 - Google Patents

星形钉子 Download PDF

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Publication number
CN2132860Y
CN2132860Y CN 92208626 CN92208626U CN2132860Y CN 2132860 Y CN2132860 Y CN 2132860Y CN 92208626 CN92208626 CN 92208626 CN 92208626 U CN92208626 U CN 92208626U CN 2132860 Y CN2132860 Y CN 2132860Y
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star
nail
angles
difficult
neck
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Expired - Fee Related
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CN 92208626
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王立会
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Abstract

一种星形钉子,由头部1、颈部2、尖部3组成,本 实用新型的特点是钉子颈部2的横截面为星形,星角 为奇数,可以是三个角、五个角、七个角,两近邻角之 间为凹面,由于这种形状的改进,使其具有不易扭弯、 不易脱落、不易旋转、容易钉进,不易造成被钉物的劈 裂和开缝等优点,并且使得被紧固物钉得更为紧固牢 靠,从而可节省钉子的使用数量,也可节省制作材 料。

Description

本实用新型属钉子形状的改进。
人们通常所使用的钉子,其结构如附图1所示,是由头部(1)、颈部(2)和尖部(3)组成。根据实际用途的不同在头部或颈部有所差异,因头部和颈部长短的差异不属本实用新型的主题,这里不再赘述。本实用新型的主题是钉子颈部形状的差异。目前市场销售的钉子,其颈部横截面为圆形称之为圆钉,占市场的绝大多数,其在使用时存在有易扭曲、不牢固,尤其是钉在软质材料上易脱落,且易于造成钉与被钉物之间的相对旋转,或是两个被钉木板之间的相互旋转等许多致命的缺陷,遇到这些问题时人们通常只是报怨圆钉材料的强度不够,多钉几个钉子了之,并没有想到这是圆钉的圆颈所致。有谁想过鞋钉有上述的缺陷吗?鞋钉与圆钉的区别在于其颈部的横截面为方形,正因为如此,鞋钉是不存在上述缺点的,但为什么鞋钉不能替代圆钉大量地用于各个方面,这就是鞋钉方形颈部的缺陷所致,因为方形颈部的钉子在钉木材、塑料等易脆易裂等物时,很容易造成被钉物的对称劈裂、开缝,所以鞋钉只能适用于钉鞋、胶皮、纸板等软质材料。
造成鞋钉存在这种缺陷的原因是什么?说白了,也很简单,但是多少年来人们一直没有解决这个问题。本实用新型的目的就是设计一种星形的钉子,以解决上述所存在的问题。
造成方形颈部的钉子存在上述缺陷的原因是,方形有对称的偶数角,就使得无论怎样钉都会沿木纹方向对称劈裂、开缝,如两个角的木锉形钉和六个角的钢钎形钉都会使木纹劈裂和开缝。很明显,两近邻角之间的平面和凸面也是原因之一。本实用新型的特征在于:钉子颈部的横截面为星形,其星角为奇数,可以是三个角、五个角、七个角,其两近邻角之间为凹面。当然凹进的程度可深可浅,其凹面的形状可以是三角形、半圆形等等。附图1为通用钉子结构的侧视图,图中1为头部,2为颈部,3为尖部。附图2、3、4为所设计几种形状星形钉颈部横截面的俯视图,附图2为三角状,附图3为五角状,附图4为七角状。
显然,由于钉子颈部横截面形状的改变,使得星形钉具有不易扭弯、不易脱落、不易旋转、容易钉进、在被钉物上不会造成沿木纹方向对称劈裂、开缝等优点;不仅具备圆钉和鞋钉所有的优点,还有自己本身的优点,由于其与被紧固物材料的接触面增大,使得钉钉更为紧固牢靠,从而节省了钉子的使用数量,使操作过程的强度降低、速度加快,从形状上也可以看出,其制作时可节省材料,而且美观。
星形钉子的制做可采用冷,热挤压,机械切削,冲压等方法。

Claims (1)

1、一种由头部、颈部、尖部组成的星形钉子,本实用新型的特征在于:其颈部的横截面为星形,星角为奇数,可以是三个角、五个角、七个角,两近邻角之间为凹面。
CN 92208626 1992-04-25 1992-04-25 星形钉子 Expired - Fee Related CN2132860Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 92208626 CN2132860Y (zh) 1992-04-25 1992-04-25 星形钉子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92208626 CN2132860Y (zh) 1992-04-25 1992-04-25 星形钉子

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CN2132860Y true CN2132860Y (zh) 1993-05-12

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CN 92208626 Expired - Fee Related CN2132860Y (zh) 1992-04-25 1992-04-25 星形钉子

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CN (1) CN2132860Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058268B (zh) * 2006-04-20 2012-06-27 米勒.马蒂尼控股公司 用于制造线装订的书心子的装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101058268B (zh) * 2006-04-20 2012-06-27 米勒.马蒂尼控股公司 用于制造线装订的书心子的装置

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