CN2062768U - 插孔螺钉及插头螺丝刀 - Google Patents

插孔螺钉及插头螺丝刀 Download PDF

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Publication number
CN2062768U
CN2062768U CN 89202794 CN89202794U CN2062768U CN 2062768 U CN2062768 U CN 2062768U CN 89202794 CN89202794 CN 89202794 CN 89202794 U CN89202794 U CN 89202794U CN 2062768 U CN2062768 U CN 2062768U
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China
Prior art keywords
screw
plug
jack
driver
head
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CN 89202794
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English (en)
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卫杰
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Individual
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Individual
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Abstract

一种插孔螺钉及插头螺丝刀。它是在螺钉上沿轴向钻了一个孔,在螺丝刀头部加了一个插头。使用时,插头插入插孔,产生紧配合,这样可使螺钉不致滑落。

Description

本实用新型涉及一种新型的螺钉及螺丝刀。
目前普遍使用的各种螺钉和螺丝刀,在使用过程中都存在这样的问题:在拧螺钉时,螺钉一旦松动,就容易滑落。另外,在某些又窄又深处也很难上螺钉。
为了解决这个问题,法国专利NO  24861777中提出了一种定位擒放装置,但装置较复杂,且不方便,难以广泛应用。
此外,文摘号为8708027的法国专利FR  2566068中提出了一个方案,即在螺钉头上有凸底槽,螺丝刀头部有形状相当于螺钉槽底的径向凹槽。但这种凸底槽和凹槽在使用过程中容易磨损,一旦磨损到一定程度,凸底槽和凹槽无法再产生紧配合。
本实用新型就是改进螺钉及螺丝刀,解决螺钉容易滑落的问题。
下面结合附图加以说明本实用新型的细节。附图是以带“一”字形螺丝刀槽的螺钉和相应的平口螺丝刀为例。
本实用新型包括插孔螺钉和插头螺丝刀。如图1(全剖视图)所示,插孔螺钉就是在螺钉上沿螺柱2的中心轴方向加工一个孔,即插孔1。此孔的加工方式最好是钻孔。插孔1的一端开口在螺钉头部的螺丝刀槽的底部3。插孔1的形状可以是多种多样,其中以圆柱孔为最好。插孔1的深度视情况而定(附图1中以未钻通的孔为例)。另外,孔内还可加上某些填料,以增大插头5与插孔1之间的摩擦力。
插头螺丝刀就是在螺丝刀头部4加上一个插头5,如图2所示。插头可以是有弹性的,如:插头可以是金属丝弯成的或其他材料制成的有弹性的带有尖状头的插头。插头也可以是没有弹性的,如:做成一个坚硬的带有尖状头的插头。这在插孔1内有填料时比较适用。使用时将插头5入插孔1,这样螺钉就不会滑落。
再者,插头5即可以是永久性地固定在螺丝刀头部4,也可以是暂时性地连接在螺丝刀头部4,即可以取下更换的。

Claims (11)

1、一种插孔螺钉,其特征是在螺钉上沿螺柱(2)的中心轴方向加工有一个孔,即插孔(1)。
2、根据权利要求1所述的插孔螺钉,其特征是插孔(1)的一端开口在螺钉头部的螺丝刀槽的底部(3)。
3、根据权利要求1所述的插孔螺钉,其特征是插孔1的加工方式是钻孔。
4、根据权利要求1所述的插孔螺钉,其特征是插孔(1)是圆柱孔。
5、根据权利要求1所述的插孔螺钉,其特征是插孔(1)孔内加有用来增大插头(5)与插孔(1)之间摩擦力的填料。
6、一种插头螺丝刀,其特征是在螺丝刀头部(4)加有一个插头(5)。
7、根据权利要求6所述的插头螺丝刀,其特征是插头(5)是有弹性的。
8、根据权利要求6所述的插头螺丝刀,其特征是插头(5)是用金属丝弯成的或其他材料制成的有弹性的带尖状头的插头。
9、根据权利要求6所述的插头螺丝刀,其特征是插头(5)是一个坚硬的带有尖状头的插头。
10、根据权利要求6所述的插头螺丝刀,其特征是插头(5)是永久性固定于螺丝刀头部(4)。
11、根据权利要求6所述的插头螺丝刀,其特征是插头(5)是暂时性地连接在螺丝刀头部(4)的,是可以取下更换的。
CN 89202794 1989-03-09 1989-03-09 插孔螺钉及插头螺丝刀 Withdrawn CN2062768U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 89202794 CN2062768U (zh) 1989-03-09 1989-03-09 插孔螺钉及插头螺丝刀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 89202794 CN2062768U (zh) 1989-03-09 1989-03-09 插孔螺钉及插头螺丝刀

Publications (1)

Publication Number Publication Date
CN2062768U true CN2062768U (zh) 1990-09-26

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CN 89202794 Withdrawn CN2062768U (zh) 1989-03-09 1989-03-09 插孔螺钉及插头螺丝刀

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CN (1) CN2062768U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883676A (zh) * 2010-05-07 2013-01-16 安长勋 牙科用螺丝及螺丝刀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102883676A (zh) * 2010-05-07 2013-01-16 安长勋 牙科用螺丝及螺丝刀

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