CN202964594U - 一种多功能电锤的锤钻离合转换机构 - Google Patents

一种多功能电锤的锤钻离合转换机构 Download PDF

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CN202964594U
CN202964594U CN 201220751052 CN201220751052U CN202964594U CN 202964594 U CN202964594 U CN 202964594U CN 201220751052 CN201220751052 CN 201220751052 CN 201220751052 U CN201220751052 U CN 201220751052U CN 202964594 U CN202964594 U CN 202964594U
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clutch
bevel gear
hammer
large bevel
cylinder assembly
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李跃辉
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Zhejiang Deshuo Electric Appliance Co ltd
Zhejiang Deshuo Technology Co ltd
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Abstract

本实用新型涉及一种多功能电锤的锤钻离合转换机构,包括气缸组件、大锥齿、小齿轴、离合器和拨钮,所述大锥齿和离合器齿啮合连接并分别套装在气缸组件上,所述大锥齿与气缸组件间隙配合,所述离合器与气缸组件通过平键可轴向移动连接,所述小齿轴设置在大锥齿下端并与大锥齿齿啮合连接,所述拨钮上设置有偏心抵顶块,该偏心抵顶块位于离合器和大锥齿之间,并与离合器抵顶配合。该锤钻离合转换机构无须脱开大锥齿与小齿轴之间的配合,而是利用拨钮对离合器的拨离及拨合来实现的,因而可以避免二者多次接触中对齿轮使用寿命的影响,结构简单合理。

Description

一种多功能电锤的锤钻离合转换机构
技术领域:
本实用新型涉及电锤,特别是一种多功能电锤的锤钻离合转换机构。
背景技术:
电锤的结构特点与作业的特殊性使其在建筑、施工等领域被广泛应用,实际应用中,电锤一般有锤、钻、锤钻三种工作状态,而目前其锤、钻工作状态的转换采用的是大锥齿直接与小齿轴离合的结构,这样一来,二者在离合过程中多次的接触会影响齿轮的使用寿命,因而有待于改进。
发明内容:
本实用新型的发明目的在于克服上述现有技术的不足,提供一种可提高齿轮使用寿命的多功能电锤的锤钻离合转换机构。
本实用新型的发明目的是按以下技术方案来实现的:
一种多功能电锤的锤钻离合转换机构,包括气缸组件、大锥齿、小齿轴、离合器和拨钮,所述大锥齿和离合器齿啮合连接并分别套装在气缸组件上,所述大锥齿与气缸组件间隙配合,所述离合器与气缸组件通过平键可轴向移动连接,所述小齿轴设置在大锥齿下端并与大锥齿齿啮合连接,所述拨钮上设置有偏心抵顶块,该偏心抵顶块位于离合器和大锥齿之间,并与离合器抵顶配合。所述离合器背离大锥齿的一侧设置有一止动片。
本实用新型相对于现有技术具有如下优点:
本实用新型的锤钻离合转换无须脱开大锥齿与小齿轴之间的配合,而是利用拨钮对离合器的拨离及拨合来实现的,因而可以避免二者多次接触中对齿轮使用寿命的影响,结构简单合理。
附图说明:
图1为本实用新型的结构示意图。
具体实施方式:
如图1所示,本实施例所述一种多功能电锤的锤钻离合转换机构,包括气缸组件1、大锥齿2、小齿轴3、离合器4和拨钮5。大锥齿2和离合器4齿啮合连接并分别套装在气缸组件1上,大锥齿2与气缸组件1间隙配合,离合器4与气缸组件1通过平键可轴向移动连接。小齿轴3设置在大锥齿2下端并与大锥齿2齿啮合连接,拨钮5上设置有偏心抵顶块51,该偏心抵顶块51位于离合器4和大锥齿2之间,并与离合器4抵顶配合。使用时,将拨钮5逆时针旋转,顶开离合器4与大锥齿2的配合,脱离旋转功能,实现“钻”转“锤”;反之,将拨钮5顺时针旋转,离合器4回到与大锥齿2的配合位置,还原旋转功能,实现“锤”转“钻”。此外,离合器4背离大锥齿2的一侧设置有一止动片6,用以约束离合器4在拨离大锥齿2后的自旋转。
上述实施例仅供说明本实用新型之用,而并非对本实用新型的限制,有关技术领域的普通技术人员,在不脱离本实用新型的精神和范围的情况下,还可以做出各种变化和变型,因此所有等同的技术方案也属于本实用新型的范畴,本实用新型的专利保护范围应由各权利要求限定。

Claims (2)

1.一种多功能电锤的锤钻离合转换机构,包括气缸组件、大锥齿、小齿轴、离合器和拨钮,其特征在于:所述大锥齿和离合器齿啮合连接并分别套装在气缸组件上,所述大锥齿与气缸组件间隙配合,所述离合器与气缸组件通过平键可轴向移动连接,所述小齿轴设置在大锥齿下端并与大锥齿齿啮合连接,所述拨钮上设置有偏心抵顶块,该偏心抵顶块位于离合器和大锥齿之间,并与离合器抵顶配合。
2.根据权利要求1所述一种多功能电锤的锤钻离合转换机构,其特征在于:所述离合器背离大锥齿的一侧设置有一止动片。
CN 201220751052 2012-12-18 2012-12-18 一种多功能电锤的锤钻离合转换机构 Expired - Lifetime CN202964594U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041832A (zh) * 2016-08-11 2016-10-26 孙银华 一种改进型无调扭两用电锤
CN108972457A (zh) * 2018-10-22 2018-12-11 浙江皇冠电动工具制造有限公司 一种电锤
CN109759373A (zh) * 2017-11-09 2019-05-17 苏州宝时得电动工具有限公司 多功能清洗机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106041832A (zh) * 2016-08-11 2016-10-26 孙银华 一种改进型无调扭两用电锤
CN109759373A (zh) * 2017-11-09 2019-05-17 苏州宝时得电动工具有限公司 多功能清洗机
CN108972457A (zh) * 2018-10-22 2018-12-11 浙江皇冠电动工具制造有限公司 一种电锤

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Granted publication date: 20130605