CN2272798Y - 宽范围自适应扳手 - Google Patents

宽范围自适应扳手 Download PDF

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Publication number
CN2272798Y
CN2272798Y CN 96242262 CN96242262U CN2272798Y CN 2272798 Y CN2272798 Y CN 2272798Y CN 96242262 CN96242262 CN 96242262 CN 96242262 U CN96242262 U CN 96242262U CN 2272798 Y CN2272798 Y CN 2272798Y
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spanner
nut
bolt
utility
model
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CN 96242262
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李金渭
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Abstract

本实用新型涉及一种常用扳手,扳手由钩头1、轴2、扳柄3和扳头4组成。钩头1与扳柄3通过轴2连接,扳柄3前端设有扳头4,扳头4两侧高出的凸起部分和钩头1为同一厚度,钩头1内侧为内六角形状。本实用新型对螺栓(螺帽)三个面均衡施力,省力,且不损坏螺栓(螺帽)。适用各种规格的螺栓、螺帽的紧固,特别适用较薄的螺栓、螺帽的紧固。

Description

宽范围自适应扳手
本实用新型属手工工具类,具体涉及一种常用扳手,用以紧固各种螺栓螺帽。
由于螺栓螺帽的种类和规格繁多,在工作时需要各种不同规格的扳手去适应。传统扳手对螺栓(螺帽)两个方向对称施力,力矩大,易使螺栓(螺帽)变形。活络扳手能在一定范围内适应不同的螺栓螺帽,在开口较大时好用,在开口变小时扳动小螺栓(螺帽)便不好用,即拧不到底。中国专利87205296自调扳手,虽然可自动调节,但对较薄的螺帽紧固不理想。
本实用新型的目的就是针对上述存在的问题,提供一种能在较宽范围内自动适应大小不同的螺栓(螺帽)的宽范围自适应扳手。
本实用新型的目的可通过以下措施实现:
一种由钩头1、轴2、扳柄3、扳头4组成的宽范围自适应扳手,钩头1与扳柄3通过轴2连接,扳柄3前端设有扳头4,扳头4两侧高出的凸起部分和钩头1为同一厚度,钩头1内侧为内六角形状。扳柄3的前端和扳头4为曲线形。
本实用新型的优点是:
自动适应多种规格的螺栓(螺帽)的紧固,不需备用大量规格不一的扳手。本实用新型对螺栓(螺帽)三个面均衡施力,省力,且不损坏螺栓(螺帽)。既适应大规格的螺栓(螺帽)的紧固,也能适应较小螺栓(螺帽),特别是较薄的螺栓(螺帽)的紧固。
附图说明如下:
图1为本实用新型的结构图;
图2为本实用新型扳柄的主视图;
图3为本实用新型扳柄的左视图;
图4为本实用新型夹紧不同大小螺栓(螺帽)时的自动适应情况图。
下面结合附图通过实施例进一步详述:
钩头1和扳柄3通过轴2连接,扳柄3的顶端设有扳头4。钩头1内侧为内六角形状,扳柄3的前端和扳头4为曲线形,在扳柄3转到不同角度时扳头4和钩头1间的距离自动改变,从而夹紧不同大小的螺栓(螺帽)。扳头4前端两侧高出的凸起部分和钩头1为同一厚度,可使小螺栓(螺帽)扳到底。

Claims (1)

1、一种由钩头(1)、轴(2)、扳柄(3)、扳头(4)成的宽范围自适应扳手,其特征在于:钩头(1)与扳柄(3)通过轴(2)连接,扳柄(3)前端设有扳头(4),扳头(4)两侧高出的凸起部分和钩头(1)为同一厚度,钩头(1)内侧为内六角形状。
CN 96242262 1996-10-26 1996-10-26 宽范围自适应扳手 Expired - Fee Related CN2272798Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96242262 CN2272798Y (zh) 1996-10-26 1996-10-26 宽范围自适应扳手

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96242262 CN2272798Y (zh) 1996-10-26 1996-10-26 宽范围自适应扳手

Publications (1)

Publication Number Publication Date
CN2272798Y true CN2272798Y (zh) 1998-01-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96242262 Expired - Fee Related CN2272798Y (zh) 1996-10-26 1996-10-26 宽范围自适应扳手

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CN (1) CN2272798Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106625361A (zh) * 2016-12-08 2017-05-10 邵东和谐五金机电有限公司 一种改进型棘轮扳手头结构

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106625361A (zh) * 2016-12-08 2017-05-10 邵东和谐五金机电有限公司 一种改进型棘轮扳手头结构

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