CN201110357Y - 一种用于电锤的曲柄连杆机构 - Google Patents

一种用于电锤的曲柄连杆机构 Download PDF

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Publication number
CN201110357Y
CN201110357Y CNU2007203060508U CN200720306050U CN201110357Y CN 201110357 Y CN201110357 Y CN 201110357Y CN U2007203060508 U CNU2007203060508 U CN U2007203060508U CN 200720306050 U CN200720306050 U CN 200720306050U CN 201110357 Y CN201110357 Y CN 201110357Y
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China
Prior art keywords
crank
connecting rod
bearing steel
hole
electric hammer
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Expired - Fee Related
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CNU2007203060508U
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Inventor
卢云峰
叶方政
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Zhejiang Safun Industrial Co., Ltd.
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黄理
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Abstract

一种用于电锤的曲柄连杆机构,包括曲柄、连杆,曲柄、连杆均为铸铝件,所述连杆一端设有一通孔,该通孔内安装有一轴承钢套,该轴承钢套外套于曲柄的一端,其中,轴承钢套与通孔过盈配合,与曲柄间隙配合。该用于电锤的曲柄连杆机构,不但耐冲击力强、使用寿命长,而且结构简单。

Description

一种用于电锤的曲柄连杆机构
技术领域:
本实用新型涉及一种电锤,特别是一种用于电锤的曲柄连杆机构。
背景技术:
现有技术中电锤的曲柄连杆机构,曲柄与连杆通过滚针轴承连接,以保证曲柄与连杆的连接部在传动中不被磨损,根据滚针轴承自身的特性可知,滚针轴承能有效消除曲轴与连杆在传动中沿其轴向的震动,但承受径向冲击的能力却非常差。由于曲柄连杆机构在工作中,需要承受较大的径向冲击力,使得滚针轴承很容易因受冲击而损坏;另外,以往的曲柄连杆机构均用塑料材料制成,众所周知,塑料材料的强度并不高,因而,在工作很容易受冲击而进裂,从而严重缩短了该机构的使用寿命及传动的可靠性。
实用新型内容:
本实用新型的目的在于克服上述现有技术的不足,提供一种结构简单、耐冲击力强、使用寿命长、传动可靠的曲柄连杆机构。
按照本实用新型提供的一种用于电锤的曲柄连杆机构,包括曲柄和连杆,所述曲柄、连杆均为铸铝件,所述连杆一端设有一通孔,该通孔内安装有一轴承钢套,该轴承钢套外套于曲柄的一端,其中,轴承钢套与通孔过盈配合,与曲柄间隙配合。
本实用新型还具有如下附属技术特征:
所述曲柄包括主轴、设于主轴一端面上并与之一体成型的偏心轴,该偏心轴与轴承钢套间隙配合。
按照本实用新型提供的曲柄连杆机构,相对现有技术具有如下优点:
首先,该曲柄连杆机构中曲柄与连杆通过轴承钢套连接,轴承钢套能承受较大的径向冲击力,不容易损坏,另外,曲柄与连杆均用铸铝制成,其强度得到明显提高,在工作中不容易进裂,因而,使用寿命长,传动可靠。
其次,轴承钢套相对于现有的滚针轴承而言,结构更为简单。
附图说明:
下面结合附图和具体实施例详细介绍本实用新型。
图1为本实用新型所述曲柄连杆机构的结构示意图;
图2为本实用新型中连杆的俯视结构示意图。
具体实施方式:
参照图1、图2,按照本实用新型提供的曲柄连杆机构,包括曲柄1、连杆2,曲柄1、连杆2均为铸铝件,以保证其有足够的强度来应对电锤工作时所产生的冲击力,曲柄1包括主轴11、设于主轴11一端面上并与之一体成型的偏心轴12,连杆2一端设有通孔21,该通孔21内安装有轴承钢套3,该轴承钢套3外套于偏心轴12上,其中,轴承钢套3与通孔21过盈配合,与偏心轴12间隙配合,轴承钢套3结构简单,能承受较大的轴向冲击力,在使用中不容易被损坏。

Claims (2)

1、一种用于电锤的曲柄连杆机构,包括曲柄(1)、连杆(2),其特征在于:所述曲柄(1)、连杆(2)均为铸铝件,所述连杆(2)一端设有一通孔(21),该通孔(21)内安装有一轴承钢套(3),该轴承钢套(3)外套于曲柄(1)的一端,其中,轴承钢套(3)与通孔(21)过盈配合,与曲柄(1)间隙配合。
2、如权利要求1所述的一种用于电锤的曲柄连杆机构,其特征在于:所述曲柄(1)包括主轴(11)、设于主轴(11)一端面上并与之一体成型的偏心轴(12),该偏心轴(12)与轴承钢套(3)间隙配合。
CNU2007203060508U 2007-11-26 2007-11-26 一种用于电锤的曲柄连杆机构 Expired - Fee Related CN201110357Y (zh)

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CNU2007203060508U CN201110357Y (zh) 2007-11-26 2007-11-26 一种用于电锤的曲柄连杆机构

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CNU2007203060508U CN201110357Y (zh) 2007-11-26 2007-11-26 一种用于电锤的曲柄连杆机构

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103229612A (zh) * 2013-05-02 2013-08-07 农业部南京农业机械化研究所 茶园深耕机
CN110153958A (zh) * 2018-02-14 2019-08-23 苏州宝时得电动工具有限公司 手持工具

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103229612A (zh) * 2013-05-02 2013-08-07 农业部南京农业机械化研究所 茶园深耕机
CN110153958A (zh) * 2018-02-14 2019-08-23 苏州宝时得电动工具有限公司 手持工具

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Denomination of utility model: Crank-connecting rod mechanism for electric hammer

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