CN105356151A - 具有操纵装置的电接线夹 - Google Patents
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- 239000002184 metal Substances 0.000 claims abstract description 15
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- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/4828—Spring-activating arrangements mounted on or integrally formed with the spring housing
- H01R4/48365—Spring-activating arrangements mounted on or integrally formed with the spring housing with integral release means
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- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/50—Bases; Cases formed as an integral body
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- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
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- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
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- H—ELECTRICITY
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- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
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- H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
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- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
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- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
- H01R4/4819—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end the spring shape allowing insertion of the conductor end when the spring is unbiased
- H01R4/4821—Single-blade spring
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- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
- H01R4/484—Spring housing details
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Abstract
本发明涉及一种具有操纵装置的电接线夹,包括接触框,该接触框带有导线夹紧接头,操纵装置包括操纵元件,接触框设计为通道且为构成导线夹紧接头在侧壁上具有形式为由扁平金属件冲裁出的舌簧的板式弹簧,舌簧从扁平金属件的平面弯折出来,使得板式弹簧的自由端部构成指向电导线的夹紧边棱,接触框上的导线夹紧接头由至少一个弹簧元件构成,弹簧元件的自由端部构成指向电导线且由夹紧力加载的夹紧边棱;导线夹紧接头能以这种方式通过按钮在至少一个弹簧元件上的作用而打开,即通过该按钮在弹簧元件上施加反作用于夹紧力的力;接触框具有接触底板,其从扁平金属件的平面弯折出来且从接触框的通道入口朝向板式弹簧的夹紧边棱沿***的导线的方向倾斜。
Description
本申请是申请日为2011年03月30日、国家申请号为201110077533.6、发明名称为“用于电接线夹的操纵装置”的原申请的分案申请。
技术领域
本发明涉及一种具有操纵装置的电接线夹,其中,所述电接线夹包括一个布置在绝缘材料外壳内的接触框,该接触框带有用于电导线的导线夹紧接头,所述操纵装置包括一个设计为按钮的操纵元件,所述接触框设计为通道的形式,并且其中,该接触框为构成导线夹紧接头在每个侧壁上分别具有一个形式为由扁平金属件冲裁出的舌簧的板式弹簧,该舌簧这样从扁平金属件的平面弯折出来,使得所述板式弹簧的自由端部构成指向电导线的夹紧边棱,所述接触框上的导线夹紧接头由至少一个弹簧元件构成,该弹簧元件的自由端部构成一个指向电导线并且由夹紧力加载的夹紧边棱;并且所述导线夹紧接头能以这种方式通过所述按钮在所述至少一个弹簧元件上的作用而打开,即,通过该按钮在弹簧元件上施加一个反作用于夹紧力的力。
背景技术
ES2159247A1示出了一种带有外壳的电接线夹,该外壳用于带有弹簧夹紧接触的可***的电导线。在外壳上表面上一体地成型有一个杆状的按钮。在按钮上设有一个栓钉,其啮合到外壳的凹槽以及接触件的凹槽中,并且在操纵按钮时作用在夹紧弹簧上用于释放夹紧接触。为了达到有效杠杆力臂,按钮整体上设计得非常大和繁琐。在EP1182750A2中公开了一个与之类似的设计。
DE19914308A1公开了一种电连接结构单元,其具有切削式夹紧触头和在绝缘材料外壳上侧可翻转地布置在固定梁上的用于将从上方置入的电导体推入切削式夹紧触头中的安装按钮。
US4,299,436A描述了一种具有两个相互对置的弹簧连接板的导体夹紧接头,在弹簧连接板之间可引入电导体。
DE29819517U1公开了一种拉力弹簧接线夹,其具有装入绝缘材料外壳内的柔性的拉力弹簧应变释放夹线板,所述拉力弹簧应变释放夹线板在拉力弹簧的上部拱形上延伸。
由DE19735835A1已知一种由扁钢件制造形式为通道的一体式接线夹,其具有镜面对称地由通道侧壁自由冲压而成的板簧。在此,可从正面和背面与电导体进行接触。弹簧具有附加的形状嵌件,它们彼此呈漏斗形地设置,并且在接线夹为空时按钮静止在形状嵌件上。按钮在此是塑料块,它们可由上向下运动地装入绝缘材料外壳中。
DE3743409A1示出一种无螺栓的接线夹,具有绝缘材料外壳和基本上成型为Z形的接触嵌件以及成型在盖板的Z形弹性接片上的脱开杆。
DE3346027C2公开了一种具有弹簧力夹紧元件的电接线夹,所述弹簧力夹紧元件设计为环形地卷绕多于一圈的具有相互重叠的支脚的板簧。为了操纵弹簧力夹紧元件,在接线夹外壳上成型出操纵摇杆并且配设有额定弯折部位。在接线夹外壳上设置有用于操纵摇杆的限界止挡。
发明内容
本发明所要解决的技术问题在于,提供一种用于连接电导线的电接线夹,这种电接线夹确保了电导线的可靠夹紧并且同时具有简单的结构。
该技术问题按本发明通过一种具有操纵装置的电接线夹解决。按照本发明的电接线夹包括一个布置在绝缘材料外壳内的接触框,该接触框带有用于电导线的导线夹紧接头,所述操纵装置包括一个设计为按钮的操纵元件,所述接触框设计为通道的形式,并且其中,该接触框为构成导线夹紧接头在每个侧壁上分别具有一个形式为由扁平金属件冲裁出的舌簧的板式弹簧,该舌簧这样从扁平金属件的平面弯折出来,使得所述板式弹簧的自由端部构成指向电导线的夹紧边棱,所述接触框上的导线夹紧接头由至少一个弹簧元件构成,该弹簧元件的自由端部构成一个指向电导线并且由夹紧力加载的夹紧边棱;并且所述导线夹紧接头能以这种方式通过所述按钮在所述至少一个弹簧元件上的作用而打开,即,通过该按钮在弹簧元件上施加一个反作用于夹紧力的力;按照本发明,接触框具有接触底板,所述接触底板从扁平金属件的平面弯折出来并且从接触框的通道入口朝向板式弹簧的夹紧边棱沿***的导线的方向倾斜。
按钮由按压臂构成,其中,按压臂以其一个端部连接在绝缘材料外壳上,并且其中,按压臂沿绝缘材料外壳的两个彼此成一定角度布置的表面的至少一个部分区段延伸。所述两个彼此成一定角度布置的表面至少接近于相互垂直地布置。因此,按压臂优选由第一按压臂部分和第二按压臂部分构成,所述第一按压臂部分与外壳背面的走向相匹配,所述第二按压臂部分与外壳上表面的走向相匹配。此外,按压臂由此布置在绝缘材料外壳的凹槽或缺口中。在已安装电接线夹的状态下(其中接触框被装入绝缘材料外壳中),按压臂处于预紧状态,因此按压臂突伸出外壳上侧表面。由于按压臂在未操纵状态下受到预紧力或预应力,按压臂受到的应力可以保持很小。预紧力或预应力的数值相对较小,因为按压臂在未操纵状态下的偏转也相对较小。按压臂在操纵状态中朝向绝缘材料外壳内的偏转也没有比在未操纵状态时大很多,因此按压臂受到的应力可以在整体上保持较小。保持按钮或按压臂内部的应力值较小有助于保持按钮较小,并且因此也保持绝缘材料外壳较小。
按钮的角形设计实现了相对较长的有效按压臂,其带有相应较长的杠杆力臂,这尤其在较狭窄的构造空间或带有小绝缘材料外壳的非常小的电接线夹中是有利的。因此,尤其在小型化的接线夹中通过按本发明的按钮设计首次实现了为操纵接触框设置有效按钮。
在一种特别有利的实施形式中,按压臂具有带槽状凹陷的操纵面,从而以简单的方式创造了安装操纵工具的可能性,因此可以可靠地操纵按钮。
按压臂优选构造为可弹性变形,从而能够在设计耗费最小的情况下确保按钮的简单运动或偏转。
在一种优选实施形式中,弹簧元件设计为至少一个板式弹簧或弹簧边脚,因此接触框优选设计为通道的形式,并且该接触框为构成导线夹紧接头在每个侧壁上分别具有一个形式为由扁平金属件冲裁出的舌簧的板式弹簧,该舌簧这样从扁平金属件的平面弯折出来,使得所述板式弹簧的自由端部构成指向电导线的夹紧边棱。因此,电接线夹仅由两个部件构成,即由集成有按钮的绝缘材料外壳以及一体的接触框构成,因此可以确保简单的结构以及以低廉的成本进行简单的安装。
在此,在所述板式弹簧上分别成型一个指向所述电接线夹外侧的助滑斜面,这些助滑斜面相互呈漏斗状地布置。因此按钮能以简单的方式压入所述板式弹簧之间,以便通过撑开板式弹簧打开电导线的夹紧接头。为此,按钮具有对应的楔形按钮面,该按钮面设计在远离连接于所述绝缘材料外壳上的端部的按压臂端部上。
为了有效避免至少一个弹簧元件和/或按钮受损,尤其是断裂,在一种优选实施形式中为此设置有一个过载保护。在此有利的是,可通过绝缘材料外壳的侧壁和/或中间壁限制所述设计为板式弹簧的弹簧元件的偏转。此外有利的是,通过使所述按压臂贴靠在至少一个设计为板式弹簧的弹簧元件上来限制所述按压臂的偏转。这种实施形式在不用对电接线夹进行明显的适配性变化的情况下实现了过载保护,因此成本低廉。
按照本发明的一种实施形式,所述绝缘材料外壳的外壳内壁具有倾斜区域,所述倾斜区域朝向***的导线倾斜并且与倾斜的接触底板和板式弹簧共同构成漏斗状的导线引入区域。
附图说明
以下借助在附图中示出的实施例进一步阐述本发明。在附图中:
图1以立体图示出组装上的按本发明的接线夹;
图2示出按本发明的布置在一块印制电路板上的接线夹,其带有***的导线,不带绝缘材料外壳;
图3示出接触框的立体视图;
图4示出按本发明的布置在一块印制电路板上的、带有***的电导线的接线夹的立体剖视图;
图5a示出按本发明的接线夹相应于图1中剖面IV-IV的带有未操纵的按钮的剖视图;
图5b示出按本发明的接线夹相应于图1中剖面IV-IV的带有***纵的按钮的剖视图;
图6a示出绝缘材料外壳的第一立体图;
图6b示出绝缘材料外壳的第二立体图;
图7示出按本发明的接线夹相应于图5a中剖面VII-VII的剖视图。
具体实施方式
图1示出带有绝缘材料外壳2的按本发明的电接线夹1,在绝缘材料外壳2中容纳有一个金属的接触框4。绝缘材料外壳2在端面19上具有至少一个用于***电导线5(参见图4)的导线引入开口3。在所示实施例中,接线夹1设计为具有两个端子,每个端子分别带有一个导线引入开口3和一个接触框4。但接线夹也可以具有其它任意数目的端子。
在图1中还可以看出接触框4的接触区域16,其接触印制电路板7相应的接触区段28(例如印制导线)(参见图2)。在此,接触区域16尤其通过钎焊连接(表面贴装器件钎焊连接:SMD-)与接触区段28相连,但也可以考虑插塞连接。在图2中可见固定在印制电路板7上的接触框4。在该视图中省去了绝缘材料外壳,因此可以看到电导线5在接触框4上的连接。通过接触框4环形弯折的、至少接近于闭合的通道入口8引入电导线5,其中,电导线5去绝缘层的端部6容纳在通道状接触框4的设计为板式弹簧9的侧壁之间。在此,板式弹簧9由扁平金属件弯折而成,并且其自由端部构成夹紧边棱10,因此板式弹簧9的两个相对置的夹紧边棱10构成用于电导线5的夹紧部位。在此,从接触框4连接在导线引入开口3上的通道入口8到由夹紧边棱10构成的夹紧部位之间的区域定义出导线引入区域30。
在图3中可以清楚地看出接触框4的结构,其中可以看出,为了形成夹紧边棱10在板式弹簧9的自由端部上冲压或成型有一个指向电导线5的附加凸起12,以改善夹紧效果。此外,接触框4具有接触底板11,其这样从扁平金属件的平面凸出或弯折出来,使得其从通道入口8朝夹紧部位的方向,也就是基本上在导线引入区域30中上升地沿***的导线5的方向倾斜地延伸。在接触底板11上,在通道入口8的一端连接有第一接触区域16并且在另一端连接有第二接触区域16。此外,在图3中可见成型于环形通道开口8上的前卡锁钩14,其为了与绝缘材料外壳2形成锁止连接而啮合到在该处相邻于导线引入开口3对应布置的前卡锁凹槽17中。在由夹紧边棱10构成的夹紧部位和与环形通道开口远离的后接触区域16之间的区域内,在接触底板11侧面设置有后卡锁钩15,其优选与印制电路板7或由接触区域16构成的平面具有间距,并且啮合到绝缘材料外壳2未示出的卡锁凹槽中。
在板式弹簧9的自由端部区域内(其上分别设计有夹紧边棱10),板式弹簧9分别在其远离接触底板11的纵向侧上具有助滑斜面12,该助滑斜面分别指向接线夹1的外侧。因此,接触框4的助滑斜面12共同构成一个向上指向的、远离接触底板11的漏斗状容纳腔。
图4以及图5a和5b分别示出按本发明的、由接触框4和绝缘材料外壳2组装而成的电接线夹1的剖视图,其中,在图4中附加地示出了连接的电导线5。在这些附图中可以看出,外壳内壁31具有倾斜区域,在该倾斜区域中外壳内壁31相对于***的导线5倾斜地设计。该倾斜区域位于之前定义的导线引入区域30之内或也可以在整个导线引入区域30上延伸。
此外在这些图示中可以看出,导线引入区域30由于接触框4带有板式弹簧9和接触底板11的构造以及绝缘材料外壳2的外壳内壁31具有至少区段性呈漏斗状的设计,其中可清楚开出,漏斗状的导线引入区域30由接触框4和绝缘材料外壳2组合而成。在此,漏斗状的导线引入区域30在周向侧上至少接近于完全闭合。仅一方面在板式弹簧9和接触底板11以及另一方面在板式弹簧9和外壳内壁31之间存在狭窄缝隙。导线引入区域30的横断面在本实施例中设计为基本上呈矩形或正方形,但也可以具有其它任何形状,尤其是圆形或至少部分为圆形或呈弧形。
在此,漏斗状的导线引入区域30构成用于待***的电导线5,尤其用于该电导线的去绝缘层端6的导引件,从而可以将去绝缘层端目标明确地输送到夹紧部位处。尤其当由夹紧边棱10构成的夹紧部位在***电导线5之前被设计为按钮21的操纵元件打开时,电接线夹1也可以用于多芯的电导线5。由于导线引入区域30在周向上几乎闭合,因此多芯电导线5的每条线芯不会偏移并且被夹紧边棱10可靠夹紧地固定。在期望的情况下,导线引入区域30漏斗状区段的朝向导线引入开口3的、带有较大横截面的端部在此也可作为用于电导线5绝缘区段的止挡。
由于漏斗状的导线引入区域30由绝缘材料外壳2和接触框4组合而成或由这两个部件构成,实现了简单并且十分有效的导线导引,其中,尤其是接触框4可以设计得非常简单紧凑并且节省材料。
在图4、5a和5b中还可以看到作为操纵元件的、带有按压臂23的按钮21,该按钮21与绝缘材料外壳2一体地设计。在此,按钮作用在助滑斜面12上并且在***纵时(即在以力F朝绝缘材料外壳2的方向压入时)将该助滑斜面12与板式弹簧9一起撑开。由此板式弹簧9的夹紧边棱10也被撑开并且用于取出或***电导线5,尤其是多芯导线5的夹紧部位被打开。
按照图6a和6b的图示,按压臂23在外壳背面20的区域内,优选在其远离外壳上表面18的下半部分中一体地成型在绝缘材料外壳2上。在此,按压臂23随着绝缘材料外壳2的轮廓变化,因此连接在外壳背面20上的第一按压臂部分24大约在外壳背面20的平面内或大约与外壳背面20平行地延伸。按压臂23的轮廓之后随着外壳背面20到外壳上表面18的过渡部分的轮廓变化,因此与第一按压壁部分24一体相连的第二按压壁部分25大约在外壳上表面18的平面内或大约平行于该外壳上表面18地延伸。外壳背面20和外壳上表面18在此互成角度地布置,优选外壳背面20和外壳上表面18至少接近于相互成直角地布置。因此按压臂23基本上设计为一个弯折拐角。在第二按压壁部分25上,在其远离第一按压壁部分的端部上成型有一个操纵面27,该操纵面27在本实施例中设计为槽状,但可选地也可以采用其它任意的形状,如切口或十字形槽状。因此可以看出,按钮21布置于在外壳背面20和外壳上表面18上延伸的外壳凹槽22中。外壳凹槽22在此基本上构造为穿孔,使得按钮21可以作用在布置于绝缘材料外壳2内部的接触框4上。因此,作为操纵元件的按钮21以其拐角的设计集成在绝缘材料外壳2的壁或表面内,并且本身呈现为绝缘材料外壳2的一部分。
在未安装状态下,按压臂23或其外表面基本上位于绝缘材料外壳2表面轮廓的平面内,即在外壳上表面18和外壳背面20的区域内。相反,在已与装入绝缘材料外壳2的接触框4装配而未操纵的状态下,按钮21至少相对于外壳上表面18部分突伸出,如图5a中所示。在此,接触框4的助滑斜面12贴靠在按钮21上,或更确切地说贴靠在其按钮面26上(参见图7),并且使按钮21向外偏转,使得按压臂23处于弹性预(张)紧状态。在图5b中示出了操纵状态,此时按钮21被施加操纵力F而进入槽状操纵面27的区域中。可以看出,按压臂23在操纵力F的作用下基本上均匀地弹性变形,其中,按钮21带有操纵面26的区域***板式弹簧9之间。为了均匀地弹性变形,按压臂23具有基本上均匀的强度或厚度。在操纵过程期间,也就是在压入按钮21时,按钮21被从突出于外壳上表面18的位置移动到按压臂23(尤其是第二按压壁部分25)***绝缘材料外壳2的位置中。在此,按压臂23的弹性预(张)紧消除,并且该按压臂23受到相反的张紧应力,使得按压臂趋向于再次向外运动以回到其初始位置。
图6a和6b将绝缘材料外壳2作为单件示出,其中,尤其可以再次清楚地看出按钮21的所述设计和按压臂23在绝缘材料外壳2上的连接。此外可以看出,绝缘材料外壳2在外壳下侧分别具有凹槽32,接触框4的接触区域16啮合到其中,因此接触区域16可以伸出外壳背面20和带有导线引入开口3的外壳正面19(也参见图1)。同时可使组合好的电接线夹的外壳下侧构成基本上平坦的、没有突伸出的部件的表面。因此,绝缘材料外壳2可在布置于印制电路板7的状态下直接触及印制电路板7的上表面或贴靠在印制电路板7上。
图7再次清楚说明按钮21在接触框4上的作用方式。按钮21的按钮面26设计为基本上呈楔形,并且作用在接触框4对应的、倾斜设置的助滑斜面12上。当通过操纵面27对按钮21施加力F时,楔形按钮面26在助滑斜面12上滑动,同时***板式弹簧9之间并且将其撑开。一旦操纵力F从按钮21上移走,弹簧9通过其复位力将助滑斜面12上的按钮21以及对应的操纵面26再次挤压回初始位置。
按钮21的所示角形设计实现了较长的有效按压臂23以及相应较长的杠杆力臂,这尤其对于狭窄的结构空间比例或带有小绝缘材料外壳的非常小的电接线夹是有利的。因此,尤其在小型化的接线夹中,通过按钮21按本发明的设计首次实现了设置一个用于操纵接触框4的有效按钮21。
由于按压臂23在未操纵状态下受到预紧力或预应力,按压臂23受到的应力可以保持较小。预紧力或预应力的值较小,因为按压臂23在未操纵状态下的偏转也较小。按压臂23在操纵状态下朝向绝缘材料外壳2内的偏转也没有比在未操纵状态下大很多,因此按压臂23此时受到的应力也可以保持相对较小。若与之相反地使无预应力的按压臂23完成整个操纵路径,则最终作用在按压臂23上的应力将大大增加,因此按压臂23的尺寸在整体上也必须设计得更大。可以看出,通过按钮21在接线夹1中的所述设置以及该按钮与接触框4的共同作用,按钮21可在整体上保持非常小,并且尤其适合于结构非常小的接线夹。
通过电接线夹的所示设计也可实现用于板式弹簧9和按钮21的过载保护。如图7所示,在板式弹簧9充分偏转时,布置在板式弹簧9上的助滑斜面12碰到绝缘材料外壳2的侧壁33和/或绝缘材料外壳2的一个或多个布置在接线夹1极点之间的中间壁34。因此,侧壁33和/或中间壁34限制板式弹簧9的偏转并且防止该板式弹簧过载,因此板式弹簧不会塑性变形或断裂。
同时也可实现用于按钮21或按压臂的过载保护。由于板式弹簧9的偏转受限,只能在两个相互配属的板式弹簧之间形成有限的空隙。如果***板式弹簧9之间的按压臂23区段的最大宽度大于最大程度偏转的板式弹簧9之间的空隙,则按压臂23只能受限地偏转,因此按压臂也不会受到过大负载并且有效避免按压臂23断裂。
用于按钮21和其按压臂23的过载保护也可由此实现,即,在按压臂23***板式弹簧9之间的区段上设置一个止挡,其在按压臂最大程度偏转时或在达到最大***深度时贴靠在板式弹簧9或助滑斜面12上,由此防止按压臂进一步偏转并且避免按钮21受损。
附图标记清单
1接线夹
2绝缘材料外壳
3导线引入开口
4接触框
5电导线
6电导线的去绝缘层端
7印制电路板
8通道入口
9板式弹簧
10夹紧边棱
11接触底板
12助滑斜面
13板式弹簧自由端的布置
14前卡锁钩
15后卡锁钩
16接触区域
17前卡锁凹槽
18外壳上表面
19端面
20外壳背面
21按钮
22外壳凹槽
23按压臂
24第一按压臂部分
25第二按压臂部分
26按钮面
27操纵面
28印制导线,接触区段
30导线引入区域
31外壳内壁
32凹槽
33侧壁
34中间壁
Claims (14)
1.一种具有操纵装置的电接线夹(1),其中,
-所述电接线夹(1)包括一个布置在绝缘材料外壳(2)内的接触框(4),该接触框带有用于电导线(5)的导线夹紧接头,
-所述操纵装置包括一个设计为按钮(21)的操纵元件,
-所述接触框(4)设计为通道的形式,并且其中,该接触框(4)为构成导线夹紧接头在每个侧壁上分别具有一个形式为由扁平金属件冲裁出的舌簧的板式弹簧(9),该舌簧这样从扁平金属件的平面弯折出来,使得所述板式弹簧(9)的自由端部构成指向电导线(5)的夹紧边棱(10),
-所述接触框(4)上的导线夹紧接头由至少一个弹簧元件(9)构成,该弹簧元件的自由端部构成一个指向电导线(5)并且由夹紧力加载的夹紧边棱(10);并且
-所述导线夹紧接头能以这种方式通过所述按钮(21)在所述至少一个弹簧元件(9)上的作用而打开,即,通过该按钮(21)在弹簧元件(9)上施加一个反作用于夹紧力的力;
其特征在于,接触框(4)具有接触底板(11),所述接触底板从扁平金属件的平面弯折出来并且从接触框(4)的通道入口朝向板式弹簧(9)的夹紧边棱(10)沿***的导线(5)的方向倾斜。
2.按权利要求1所述的电接线夹(1),其特征在于,在所述板式弹簧(9)上分别成型一个指向所述电接线夹(1)外侧的助滑斜面(12),这些助滑斜面相互呈漏斗状地布置。
3.按权利要求1或2所述的电接线夹(1),其特征在于,所述绝缘材料外壳(2)的外壳内壁(31)具有倾斜区域,所述倾斜区域朝向***的导线(5)倾斜并且与倾斜的接触底板(11)和板式弹簧(9)共同构成漏斗状的导线引入区域(30)。
4.按权利要求1或2所述的电接线夹(1),其特征在于,所述按钮(21)由按压臂(23)构成,其中,所述按压臂(23)以其端部连接在绝缘材料外壳(2)上,并且其中,所述按压臂(23)沿所述绝缘材料外壳(2)的两个彼此成一定角度布置的表面(18,20)的至少一个部分区段延伸。
5.按权利要求4所述的电接线夹(1),其特征在于,所述两个彼此成一定角度布置的表面(18,20)至少接近于互相垂直地布置。
6.按权利要求4所述的电接线夹(1),其特征在于,所述按压臂(23)由第一按压臂部分(24)和第二按压臂部分(25)构成,所述第一按压臂部分(24)与外壳背面(20)的走向相匹配,所述第二按压臂部分(25)与外壳上表面(18)的走向相匹配。
7.按权利要求4所述的电接线夹(1),其特征在于,所述按压臂(23)布置在所述绝缘材料外壳(2)的凹槽(22)中。
8.按权利要求4所述的电接线夹(1),其特征在于,所述按压臂(23)具有一个带槽状凹陷的操纵面(27)。
9.按权利要求4所述的电接线夹(1),其特征在于,所述按压臂(23)可弹性变形。
10.按权利要求1或2所述的电接线夹(1),其特征在于,所述按钮(21)具有按压臂(23)并且所述按压臂(23)具有一个操纵区段,该操纵区段远离连接在所述绝缘材料外壳(2)上的端部并且具有一个基本上呈楔形的按钮面(26),其中,该楔形的按钮面(26)可通过所述相互呈漏斗状布置的助滑斜面(12)压入所述板式弹簧(9)之间,以便通过撑开所述板式弹簧(9)打开电导线(5)的夹紧接头。
11.按权利要求10所述的电接线夹(1),其特征在于,在已装配绝缘材料外壳(2)和接触框(4)的状态下,所述按压臂(23)处于预紧状态。
12.按权利要求1或2所述的电接线夹(1),其特征在于,为所述至少一个弹簧元件(9)和/或所述按钮(21)设有过载保护。
13.按权利要求12所述的电接线夹(1),其特征在于,通过所述绝缘材料外壳(2)的侧壁(33)和/或中间壁能够限制所述设计为板式弹簧(9)的弹簧元件的偏转。
14.按权利要求12所述的电接线夹(1),其特征在于,通过使所述按压臂(23)贴靠在至少一个设计为板式弹簧(9)的弹簧元件上能够限制所述按压臂(23)的偏转。
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DE102010014143.7 | 2010-04-07 | ||
CN201110077533.6A CN102237608B (zh) | 2010-04-07 | 2011-03-30 | 用于电接线夹的操纵装置 |
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2011
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- 2011-03-09 EP EP14190509.1A patent/EP2846408B2/de active Active
- 2011-03-09 PL PL16197946T patent/PL3159974T3/pl unknown
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- 2011-03-09 DE DE202011111075.7U patent/DE202011111075U1/de not_active Expired - Lifetime
- 2011-03-09 EP EP15174437.2A patent/EP2953208B1/de active Active
- 2011-03-09 PL PL16197947T patent/PL3151338T3/pl unknown
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- 2011-03-09 ES ES15174437.2T patent/ES2654406T3/es active Active
- 2011-03-09 DE DE202011110996.1U patent/DE202011110996U1/de not_active Expired - Lifetime
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- 2011-03-09 ES ES11001933.8T patent/ES2547125T3/es active Active
- 2011-03-09 PL PL15174437T patent/PL2953208T3/pl unknown
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