CN107457746B - Work attachment - Google Patents
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- CN107457746B CN107457746B CN201610394497.9A CN201610394497A CN107457746B CN 107457746 B CN107457746 B CN 107457746B CN 201610394497 A CN201610394497 A CN 201610394497A CN 107457746 B CN107457746 B CN 107457746B
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- central axis
- driving
- power tool
- working
- work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
Description
技术领域technical field
本发明涉及一种工作附件,具体涉及一种能被动力工具驱动绕中心轴线旋转往复摆动的工作附件。The invention relates to a working accessory, in particular to a working accessory that can be driven by a power tool to rotate and swing around a central axis.
背景技术Background technique
多功能工具也称为摆动工具,通过马达驱动工作附件往复摆动实现工具功能,常见的适配多功能工具的工作附件包括锯片、磨片等。The multi-function tool is also called an oscillating tool. The function of the tool is realized by reciprocating oscillation of the motor-driven working attachment. Common working attachments for the multi-function tool include saw blades, grinding blades, and the like.
传统的工作附件与动力工具适配不够牢靠容易发生松动。另外,多功能工具的适配工具附件的端口种类很多,每种端口只能适配一种工具附件,同样一种工具附件也只能适配一种多功能工具。The traditional work attachments and power tools are not fit enough and are prone to loosening. In addition, there are many types of ports for adapting tool accessories of multi-function tools, each port can only be adapted to one kind of tool accessories, and the same kind of tool accessories can only be adapted to one kind of multi-function tools.
发明内容SUMMARY OF THE INVENTION
为解决现有技术的不足,本发明的目的在于提供一种与动力工具的适配牢靠的工作附件,该工作附件能够适配不同接口的多个动力工具。In order to solve the deficiencies of the prior art, the purpose of the present invention is to provide a working attachment that is firmly adapted to the power tool, and the working attachment can be adapted to multiple power tools with different interfaces.
为了实现上述目标,本发明采用如下的技术方案:In order to achieve above-mentioned goal, the present invention adopts following technical scheme:
一种能被动力工具驱动绕中心轴线旋转往复摆动的工作附件,包括:工作部,用于实现工作附件的功能;连接部,用于使工作附件连接至动力工具;连接部包括:至少两个驱动接触点,用于接收动力工具的驱动力;驱动接触点均设置在一个垂直于中心轴线且在沿中心轴线的方向上位于连接部的上端和下端之间的平面内。A working accessory that can be driven by a power tool to rotate and swing around a central axis, comprising: a working part for realizing the function of the working accessory; a connecting part for connecting the working accessory to the power tool; the connecting part comprises: at least two The driving contact points are used to receive the driving force of the power tool; the driving contact points are all arranged in a plane perpendicular to the central axis and located between the upper end and the lower end of the connecting part in the direction along the central axis.
进一步地,连接部还形成有:驱动面,用于形成驱动接触点;驱动面与中心轴线之间形成的夹角大于等于0度小于等于30度。Further, the connecting portion is further formed with: a driving surface for forming a driving contact point; an included angle formed between the driving surface and the central axis is greater than or equal to 0 degrees and less than or equal to 30 degrees.
进一步地,连接部还形成有:驱动面,用于形成驱动接触点;驱动面沿平行于中心轴线的方向延伸。Further, the connecting portion is further formed with: a driving surface for forming a driving contact point; the driving surface extends in a direction parallel to the central axis.
进一步地,连接部形成有多个驱动面,至少有一对相邻的两个驱动面相交形成一个沿径向外凸出的夹角。Further, the connecting portion is formed with a plurality of driving surfaces, and at least a pair of adjacent two driving surfaces intersect to form an included angle protruding radially outward.
进一步地,连接部形成有多个夹角,至少有一对相邻的两个夹角的角端与中心轴线的连线之间形成的角度大于等于20度小于等于40度。Further, the connecting portion is formed with a plurality of included angles, and the angle formed between at least a pair of adjacent corner ends of two included angles and the connecting line of the central axis is greater than or equal to 20 degrees and less than or equal to 40 degrees.
进一步地,连接部还包括:顶座,用于使连接部在沿中心轴线的方向上相对动力工具固定;Further, the connecting part further comprises: a top seat, used for fixing the connecting part relative to the power tool in the direction along the central axis;
底座,用于使工作部固定连接至连接部;驱动面设置于顶座和底座之间。The base is used for the working part to be fixedly connected to the connecting part; the driving surface is arranged between the top base and the base.
进一步地,顶座的边缘还设有:台阶结构,包括沿垂直于中心轴线的方向延伸的台阶面;台阶面与驱动面相交的棱线为驱动接触点的集合。Further, the edge of the top seat is further provided with: a stepped structure including a stepped surface extending in a direction perpendicular to the central axis; the ridgeline intersecting the stepped surface and the driving surface is a set of driving contact points.
进一步地,在沿中心轴线的方向上,驱动面与底座之间形成有缺口。Further, in the direction along the central axis, a gap is formed between the driving surface and the base.
进一步地,至少部分所示驱动面的下边缘未与底座接触。Further, at least a portion of the lower edge of the illustrated drive surface is not in contact with the base.
进一步地,动力工具为摆动工具,工作附件为能适用于摆动工具的锯片。Further, the power tool is an oscillating tool, and the working attachment is a saw blade suitable for the oscillating tool.
一种能被动力工具驱动绕中心轴线旋转往复摆动的工作附件,包括:工作部,用于实现工作附件的功能;连接部,用于使工作附件连接至动力工具;连接部包括:顶座,用于使连接部在沿中心轴线方向上相对动力工具固定;底座,用于使工作部固定连接至连接部;驱动结构,用于接收动力工具的驱动力从而使工作附件绕中心轴线旋转往复摆动;驱动结构设置在顶座和底座之间,底座形成有一个能被中心轴线穿过的孔;在一个垂直于中心轴线的平面内,驱动结构在该平面内的投影的距离中心轴线最远的点位于孔在该平面内的投影内部。A working attachment that can be driven by a power tool to rotate and swing around a central axis, comprising: a working part for realizing the function of the working attachment; a connecting part for connecting the working attachment to the power tool; the connecting part comprises: a top seat, The connecting part is used to fix the connecting part relative to the power tool along the direction of the central axis; the base is used to fix the working part to the connecting part; the driving structure is used to receive the driving force of the power tool to make the working attachment rotate and swing around the center axis The driving structure is arranged between the top seat and the base, and the base is formed with a hole that can be passed through by the central axis; in a plane perpendicular to the central axis, the projection of the driving structure in the plane is the farthest from the central axis The point is inside the projection of the hole in this plane.
本发明的工作附件只通过驱动接触点与动力工具配合传递驱动力,该结构使得本发明的工作附件能够适配更多的动力工具。The working attachment of the present invention transmits the driving force only through the cooperation of the driving contact point with the power tool, and this structure enables the working attachment of the present invention to adapt to more power tools.
附图说明Description of drawings
图1是作为本发明实施例的一种工作附件与动力工具的示意图;1 is a schematic diagram of a work attachment and a power tool as an embodiment of the present invention;
图2是图1中工作附件与工作头的爆炸图;Fig. 2 is the exploded view of working attachment and working head in Fig. 1;
图3是图1中工作附件与工作头结合时的剖视图;Fig. 3 is the sectional view when the working attachment and the working head are combined in Fig. 1;
图4是图1中工作附件与工作头分离时的剖视图;Fig. 4 is the sectional view when the working attachment and the working head are separated in Fig. 1;
图5是图1中工作附件的示意图;Fig. 5 is the schematic diagram of working attachment in Fig. 1;
图6是图5中工作附件的连接部的平面图;Fig. 6 is the plan view of the connection part of the working attachment in Fig. 5;
图7是图5中工作附件的连接部的立体图;Fig. 7 is the perspective view of the connection part of the working attachment in Fig. 5;
图8是图5中工作附件的连接部的另一视角的立体图;FIG. 8 is a perspective view of the connecting portion of the working attachment in FIG. 5 from another perspective;
图9是图5中工作附件的连接部的仰视图;Fig. 9 is the bottom view of the connection part of the working attachment in Fig. 5;
图10是图5中工作附件的连接部的俯视图。FIG. 10 is a top view of the connection portion of the work attachment of FIG. 5 .
具体实施方式Detailed ways
如图1和图2所示,工作附件100安装至动力工具200,动力工具200驱动工作附件100绕中心轴线101旋转往复摆动,工作附件100绕中心轴线101转动并在一定角度范围内往复运动。具体而言,动力工具200包括马达201、工作头202和把手203。马达201用于驱动工作头202,工作附件100安装至工作头202,工作头202与工作附件100连接,从而带动工作附件100进行作业。把手203供用户握持,该动力工具200也可以称之为手持式动力工具200。更具体而言,动力工具200为摆动工具。为了便于说明,如图1所示,定义沿中心轴线101方向上动力工具200的一端为上侧,而工作附件100的一端为下侧。As shown in FIG. 1 and FIG. 2 , the
如图1和图2所示,工作附件100包括工作部10和连接部20。工作部10为实现工作附件100的功能。工作部10可以设置多种不同的结构以实现不同的功能。作为一种可选的实施方式,如图5所示,工作部10设置有锯齿11,从而使工作附件100能够实现锯切的功能。此时工作附件100也可以称之为锯片。作为另一种可选时实施方式,工作部10也可以设置磨砂结构,以实现打磨的功能。连接部20用于使工作附件100连接至动力工具200的工作头202。具体而言,工作头202形成有用于安装工作附件100的安装结构204。工作附件100的连接部20安装至安装结构204。As shown in FIGS. 1 and 2 , the working
如图1至图6所示,连接部20包括顶座22、底座23和驱动结构25。顶座22用于使连接部20在沿中心轴线101方向上相对动力工具200固定;底座23用于使工作部10固定连接至连接部20;驱动结构25用于接收动力工具200的驱动力从而使工作附件100绕中心轴线101旋转往复摆动;驱动结构25设置在顶座22和底座23之间。工作头202形成有用于与驱动结构25配合的适配面205。适配面205与驱动结构25接触,将驱动力传动第至工作附件100。As shown in FIGS. 1 to 6 , the connecting
连接部形成有多个驱动面,驱动面形成驱动接触点,多个驱动面构成了驱动结构,或者说台阶结构构成驱动结构。作为一种具体的实施方式,如图6和图7所示,具体而言,连接部20形成6个驱动面21a、21b、21c、21d、21e、21f。驱动面21a、21b、21c、21d、21e、21f设置于顶座22和底座23之间。连接部20还形成有台阶结构24,具体而言,台阶结构24设置于顶座22的边缘。台阶结构24形成有台阶面241。台阶面241垂直于中心轴线101。台阶面241与驱动接触面21a、21b、21c、21d、21e、21f相交的棱线构成了驱动接触点的集合。也可以说,相交的棱线上的任意一点都可以认为是驱动接触点。驱动接触点是能够接受动力工具200的驱动力的点,具体而言,驱动接触点能够与适配面205相接触,由适配面205将驱动力传递至驱动接触点。The connecting portion is formed with a plurality of driving surfaces, the driving surfaces form the driving contact points, and the plurality of driving surfaces constitute the driving structure, or the step structure constitutes the driving structure. As a specific embodiment, as shown in FIGS. 6 and 7 , specifically, the connecting
如图5至图7所示,驱动面21a、21b、21c、21d、21e、21f与中心轴线101之间形成的夹角大于等于0度小于等于30度。具体而言,驱动面21a、21b、21c、21d、21e、21f沿平行于中心轴线101的方向延伸。也就是说驱动面21a、21b、21c、21d、21e、21f与中心轴线101之间形成的夹角等于0度。As shown in FIGS. 5 to 7 , the included angles formed between the driving
连接部包括至少两个驱动接触点,才能够实现动力工具驱动工作附件往复运动。参考图6和图7所示,以驱动接触点211a和驱动接触点211b为例进行说明,驱动接触点211a和驱动接触点211b分别由驱动面21b和驱动面21c形成,驱动接触点211a和驱动接触点211b分别位于驱动面21b和驱动面21c的边缘。更具体而言,驱动接触点211a由驱动面21b和台阶面241形成。驱动接触点211b由驱动面21c和台阶面241形成。驱动接触点211a和驱动接触点211b用于接收动力工具200的驱动力。动力工具200的驱动力通过驱动接触点211a、211b传递至工作附件100,从而使动力工具200可以带动工作附件100进行工作。驱动接触点211a和驱动接触点211b均设置在一个垂直于中心轴线101的平面102内,该平面102在沿中心轴线101方向上位于连接部20的上端和下端之间。上和下两个方向可以参考图1中所示的上侧和下侧。具体而言,台阶面241位于平面102内或者说台阶面241与平面102重叠。也可以说,台阶面241位于连接部20的上端和下端之间。或者,驱动接触点211a和驱动接触点211b均设置在台阶面241内。Only when the connecting part includes at least two driving contact points can the power tool drive the working attachment to reciprocate. 6 and 7 , the driving
如图6所示,在沿中心轴线101的方向上,驱动面21a、21b、21c、21d、21e、21f与底座23之间形成有缺口27。具体而言,驱动面21b、21c、21d、21e的下边缘未与底座23接触。As shown in FIG. 6 , in the direction along the
如图8和图9所示,底座23形成有一个孔26,中心轴线101穿过孔26。在一个垂直于中心轴线101的平面内,驱动结构25在该平面内的投影的距离中心轴线101最远的点位于孔26在该平面内的投影内部。孔26至少部分沿中心轴线101方向在所述顶座22之外贯穿底座23。也可以说孔26至少部分在沿中心轴线101方向上使连接部20上下通透,产生的通透部分位于顶座22之外。As shown in FIGS. 8 and 9 , the
至少由一对相邻的两个驱动面相交形成一个沿径向外凸出的夹角。作为一种具体的实施方式,如图6、图7和图10所示,驱动面211a和驱动面211b形成一个夹角,驱动面211c和驱动面211d形成一个夹角,驱动面211e和驱动面211f形成一个夹角。驱动面211a和驱动面211b形成的夹角的角端与驱动面211c和驱动面211d形成的夹角的角端与中心轴线101的连线之间形成的角度β大于等于20度小于等于40度。具体而言,角度β大于等于25度小于等于35度。本实施例中所采用的角度β为30度。驱动面211a和驱动面211b形成的沿径向外凸出的夹角,驱动面211c和驱动面211d形成的沿径向外凸出的夹角,驱动面211e和驱动面211f形成的沿径向外凸出的夹角均为120度。At least a pair of adjacent two driving surfaces intersect to form an included angle that protrudes radially outward. As a specific embodiment, as shown in FIG. 6 , FIG. 7 and FIG. 10 , the driving
以上显示和描述了本发明的基本原理、主要特征和优点。本行业的技术人员应该了解,上述实施例不以任何形式限制本发明,凡采用等同替换或等效变换的方式所获得的技术方案,均落在本发明的保护范围内。The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the above-mentioned embodiments do not limit the present invention in any form, and all technical solutions obtained by means of equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims (9)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201610394497.9A CN107457746B (en) | 2016-06-03 | 2016-06-03 | Work attachment |
US15/391,973 US10286466B2 (en) | 2016-06-03 | 2016-12-28 | Working attachment and combination of working attachment and power tool |
CA2953540A CA2953540C (en) | 2016-06-03 | 2017-01-03 | Working attachment and combination of working attachment and power tool |
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CN201610394497.9A CN107457746B (en) | 2016-06-03 | 2016-06-03 | Work attachment |
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CN107457746B true CN107457746B (en) | 2020-06-23 |
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CN113263478B (en) * | 2020-02-14 | 2022-10-14 | 苏州宝时得电动工具有限公司 | Multifunctional machine and working accessories thereof |
CN112959274A (en) * | 2021-01-28 | 2021-06-15 | 丹阳市剑庐工具有限公司 | Tool attachment capable of being driven by power tool and rotating around central axis to swing back and forth |
Citations (5)
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CN1357431A (en) * | 2000-12-07 | 2002-07-10 | C.&E.法因两合公司 | Toolholders and adapters used to secure the tool on the drive shaft |
EP1974881A2 (en) * | 2007-03-30 | 2008-10-01 | WSEngineering GmbH & Co. KG | Device with a saw blade fixture for an oscillation saw |
CN102294682A (en) * | 2010-06-25 | 2011-12-28 | 南京德朔实业有限公司 | Working component capable of being fit with various shaft ends |
CN204160455U (en) * | 2014-10-13 | 2015-02-18 | 江苏美之轮工具有限公司 | A kind of swing tool working head |
CN105451946A (en) * | 2013-08-01 | 2016-03-30 | C.&E.泛音有限公司 | Tool machine |
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2016
- 2016-06-03 CN CN201610394497.9A patent/CN107457746B/en not_active Expired - Fee Related
Patent Citations (5)
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---|---|---|---|---|
CN1357431A (en) * | 2000-12-07 | 2002-07-10 | C.&E.法因两合公司 | Toolholders and adapters used to secure the tool on the drive shaft |
EP1974881A2 (en) * | 2007-03-30 | 2008-10-01 | WSEngineering GmbH & Co. KG | Device with a saw blade fixture for an oscillation saw |
CN102294682A (en) * | 2010-06-25 | 2011-12-28 | 南京德朔实业有限公司 | Working component capable of being fit with various shaft ends |
CN105451946A (en) * | 2013-08-01 | 2016-03-30 | C.&E.泛音有限公司 | Tool machine |
CN204160455U (en) * | 2014-10-13 | 2015-02-18 | 江苏美之轮工具有限公司 | A kind of swing tool working head |
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