CN2073793U - 一种活动扳手 - Google Patents

一种活动扳手 Download PDF

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Publication number
CN2073793U
CN2073793U CN 90204701 CN90204701U CN2073793U CN 2073793 U CN2073793 U CN 2073793U CN 90204701 CN90204701 CN 90204701 CN 90204701 U CN90204701 U CN 90204701U CN 2073793 U CN2073793 U CN 2073793U
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China
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jaw
wrench
handle
turn
deciding
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CN 90204701
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English (en)
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陈春魁
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Individual
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Individual
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Priority to CN 90204701 priority Critical patent/CN2073793U/zh
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Abstract

本实用新型是一种不含手动蜗轮而能实现快速 动作的扳手,主要有夹爪、弹簧和特制的拐柄构成。 其设计巧妙、结构简单、易加工制造、使用方便,具有 可任意调节开口和快速扳动螺母的效果,是一种较为 实用的快速扳手。

Description

本实用新型涉及一种活动板手,特别是关于不含手动蜗轮而能实现快速动作的板手。
通用的板手,有一个蜗轮机构用于调节开口距和锁紧。其不足之处是每次使用前应拧动蜗轮以调节开口,故,效率较低和使用不便。为克服此不足而改进设计的各种“快速板手”,其结构形式多种多样,各有特点。本实用新型的目的是旨在克服上述不足而改进设计一种能实现快速动作的板手。
该板手主要有拐柄、夹爪和弹簧等构成。两夹爪的结构形状与通用板手的夹爪类似,其中,动夹爪可在制有半圆槽的定夹爪上滑动,以适开口距的调节。动夹爪的一半之中制有通槽以置入拐柄,拐柄是将板手的“把”和“拐”向一边的拐头制为一体。拐柄的拐头插入定夹爪通槽内并与定夹爪下端用销钉轴接在拐点处。在前述轴接点一旁定夹爪上穿一销钉,该销钉上置一其一端撑于拐柄而另一端撑于定夹爪的弹簧。拐柄在弹簧作用下使其拐头紧压在动夹爪上,利于动、定夹爪的开合。由于拐柄可绕轴接点转动,故,其开口距可适宜任意直径的螺母且调节迅速。使用中,拧紧螺母的扭矩是依其偏置的定夹爪和“拐”向一边的拐头并压紧动夹爪联合作用而产生的。当松动螺母时,只要翻转板手延逆时方向加力即可。
该板手具有设计巧妙,结构简单,易加工制造和使用方便迅速之特点。
结合附图提出一种较宜的实施例。其图中1为拐柄、2为动夹爪、3为定夹爪、4为弹簧,其中1、2、3件均以钢材模压锻制成,其形状可按4″、6″、8″、12″等系列具体设计。弹簧用钢丝绕制,拐柄与定夹爪以销钉铆接之。

Claims (1)

1、涉及一种活动板手,包括拐柄、夹爪、弹簧等,其特征是其半圆槽内置有一可滑动的动夹爪的定夹爪的下端与拐柄用销钉轴接在拐点,其中,拐柄置于定夹爪的通槽内且其拐头紧压动夹爪,定夹爪下端的适当部位置有一用销钉穿接在其槽内的一端撑于拐柄而另一端撑于定夹爪的弹簧。
CN 90204701 1990-04-10 1990-04-10 一种活动扳手 Withdrawn CN2073793U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90204701 CN2073793U (zh) 1990-04-10 1990-04-10 一种活动扳手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90204701 CN2073793U (zh) 1990-04-10 1990-04-10 一种活动扳手

Publications (1)

Publication Number Publication Date
CN2073793U true CN2073793U (zh) 1991-03-27

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Family Applications (1)

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CN 90204701 Withdrawn CN2073793U (zh) 1990-04-10 1990-04-10 一种活动扳手

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CN (1) CN2073793U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1068817C (zh) * 1998-05-11 2001-07-25 邢树钧 一种可逆式活扳手

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1068817C (zh) * 1998-05-11 2001-07-25 邢树钧 一种可逆式活扳手

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