CN2214266Y - 活扳手 - Google Patents

活扳手 Download PDF

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Publication number
CN2214266Y
CN2214266Y CN 94213882 CN94213882U CN2214266Y CN 2214266 Y CN2214266 Y CN 2214266Y CN 94213882 CN94213882 CN 94213882 CN 94213882 U CN94213882 U CN 94213882U CN 2214266 Y CN2214266 Y CN 2214266Y
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China
Prior art keywords
ratchet
model
utility
mouth
housed
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Expired - Fee Related
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CN 94213882
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English (en)
Inventor
董凤艳
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Individual
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Individual
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Priority to CN 94213882 priority Critical patent/CN2214266Y/zh
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Publication of CN2214266Y publication Critical patent/CN2214266Y/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

一种新型活扳手,特点是活动扳口的下部加工有 锯齿形的齿条,在扳体上装有棘爪和弹簧片并在扳体 装有微调螺母。本实用新型具有扳口能够快速前进 或后退、自锁性好、结构简单、使用方便等优点。

Description

本实用实用新型属于工具类,是涉及一种对现有活扳手的改进。
目前,在现在生产和生活中使用的活扳手,活动扳口的移动是靠转动蜗杆实现的,当活动扳口移动的距离较大时,转动蜗杆的圈数就多,因而使用不便。由于蜗杆的齿形是矩形的,摩擦力小和质量分而不均,当扳手扭矩较大时,使用中的磕碰影响,蜗杆将要转动,扳口的宽度也随着增大,当增大到一定程度不及时进行调整,螺母的六个侧面中的两个侧面就要被扭坏,而不能继续继续使用,自锁性不好。
对于上述技术的不足,本实用新型的目的是提供一种可快速进退、自锁性好的活扳手。
本实用新型的技术措施是将活扳手的活动扳口的下部加工成锯齿形的齿条,在扳体上装有棘爪,微调螺杆和弹簧片组成一个即可快速前进或后退,又可以自锁的机构,从而克服现有活扳手使用不便、自锁性不好的缺点。其特征是活动扳口的下部加工有锯齿形的齿条,在扳体上装有和活动扳口齿条相匹配的棘爪,棘爪和扳体间装有弹簧片,微调螺杆装在扳体上,一端和棘爪相接触。
本实用新型的工作原理及积极效果是:由活动扳口下部加工成齿条,棘爪在弹簧片的作用下同齿条的牙齿相啮合,限制活动扳口的移动,当扳口的宽度需要增大或缩小时,用手压下棘爪,使牙齿脱开齿条的牙齿,再用手推动扳口使其左右移动,同时采用微调螺杆来满足不同规格螺母的需要,本实用新型具有可快速进退、自锁性好、结构简单、使用方便等优点。
下面结合附图说明本实用新型的实施例:
图1是本实用新型的结构图。
在图1中可清楚地显示活动扳口1的下部加工成锯齿形的齿条,活动扳口1上加工有凹槽,扳体2上装有限位螺钉,限制活动扳口1移动的距离,棘爪4装在扳体2上并加工有和活动扳口1相匹配的齿,在棘爪4和扳体2间装有弹簧片3,微调螺杆6装在扳体2中,前端和棘爪4相接触,并在扳体2和微调螺杆间装有弹簧5。

Claims (1)

  1. 一种新型活扳手,其特征在于:活动扳口(1)的下部加工有锯齿形的齿条,在扳体(2)上装有和活动扳口(1)的齿条相匹配的棘爪(4),棘爪(4)和扳体(2)间装有弹簧片(3),微调螺杆(6)装在扳体(2)上,并一端和棘爪相接触。
CN 94213882 1994-06-10 1994-06-10 活扳手 Expired - Fee Related CN2214266Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94213882 CN2214266Y (zh) 1994-06-10 1994-06-10 活扳手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94213882 CN2214266Y (zh) 1994-06-10 1994-06-10 活扳手

Publications (1)

Publication Number Publication Date
CN2214266Y true CN2214266Y (zh) 1995-12-06

Family

ID=33830303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94213882 Expired - Fee Related CN2214266Y (zh) 1994-06-10 1994-06-10 活扳手

Country Status (1)

Country Link
CN (1) CN2214266Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106799697A (zh) * 2015-11-26 2017-06-06 中国人民解放军军械工程学院 插销定位式扳手夹持机构
CN107414715A (zh) * 2017-06-22 2017-12-01 王建勇 快速活扳手

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106799697A (zh) * 2015-11-26 2017-06-06 中国人民解放军军械工程学院 插销定位式扳手夹持机构
CN107414715A (zh) * 2017-06-22 2017-12-01 王建勇 快速活扳手
CN107414715B (zh) * 2017-06-22 2019-05-31 王建勇 快速活扳手

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C19 Lapse of patent right due to non-payment of the annual fee
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