CN108987991B - 屏蔽连接器结构 - Google Patents

屏蔽连接器结构 Download PDF

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CN108987991B
CN108987991B CN201810552087.1A CN201810552087A CN108987991B CN 108987991 B CN108987991 B CN 108987991B CN 201810552087 A CN201810552087 A CN 201810552087A CN 108987991 B CN108987991 B CN 108987991B
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protrusion
insertion hole
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宫泽有辉
冈本健一
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Yazaki Corp
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Abstract

一种屏蔽连接器结构,包括用于连接装置的屏蔽线、屏蔽连接器以及设置在装置上的金属部件。屏蔽连接器包括端子配件、屏蔽端子、壳体以及用于将壳体固定至金属部件的螺栓。金属部件包括圆形插孔和阴螺纹部。圆形插孔包括内周突部和将内周突部的一部分分割的切除部。壳体包括筒状壳体主体和固定凸缘部。壳体主体包括:主体插入部,其插入到圆形插孔;以及突起部,其与内周突部的位置一致地从主体插入部的外周表面突出。

Description

屏蔽连接器结构
相关申请的交叉引用
本申请基于2017年5月31日提交的日本专利申请(No.2017-107660),其内容通过引用并入本文。
技术领域
本发明涉及一种屏蔽连接器结构,包括:屏蔽线,用于连接装置;屏蔽连接器,其设置在屏蔽线上;以及金属部件,其具有壁并且设置在装置上。
背景技术
为了电连接安装在混合动力车辆或电动车辆上的高电压装置,使用屏蔽线或者设置在屏蔽线中的屏蔽连接器。此处,当上述连接结构指的是屏蔽连接器结构时,关于屏蔽连接器结构,通常已知例如JP–A-2000-294344中公开的结构。后文中将参考图11A至13给出简要描述。
在图11A至13中,装置的屏蔽外壳(金属部件)设置有由参考标记101标识的壁。另外,使用由参考标记102标识的屏蔽线或者由参考标记103标识的屏蔽连接器以插入通过壁101。此外,参考标记104表示充当用于连接的结构的屏蔽连接器结构。
在壁101上形成了圆形插孔105和阴螺纹部106。一个阴螺纹部106形成为位于圆形插孔105的附近。屏蔽线102包括连接器107、绝缘体108、屏蔽部件109(编织体)和护套110。
屏蔽连接器103包括:端子配件111,其连接至屏蔽线102的导体107;屏蔽端子112,其连接至屏蔽线102的屏蔽部件109,并且与屏蔽外壳(金属部件)的壁101进行接触;壳体113,屏蔽线102插入到该壳体113中;以及螺栓114,其用于将壳体113固定至壁101。另外,屏蔽连接器103包括密封件115、橡胶塞116、后保持器117等。
屏蔽连接器103的壳体113包括:壳体主体118,其中的一部分插入到圆形插孔105中;以及环形凸缘部119和固定凸缘部120,两者与壳体主体118一体化。在壳体主体118中,插入到圆形插孔105中的部分形成为筒状。一个螺栓插孔121形成在固定凸缘部120中。
在设置于屏蔽线102中的屏蔽连接器103中,壳体主体115的一部分插入到圆形插孔105中,并且此后,固定凸缘部120通过拧紧螺栓114而固定到壁101。此外,在屏蔽连接器103中,从可操作性和尺寸的角度出发采用了单点固定结构(原因是当具有螺栓插孔121的固定凸缘部120、螺栓114以及壁101的阴螺纹部106的数量增加时,紧固点的数量增加,并且可操作性劣化,并且随着紧固点的数量增加,尺寸也增大)。
在上述现有技术中,由于采用了单点固定结构,所以担心与紧固点相反的一侧,即箭头W表示的位置由于螺栓114的拧紧而针对外力变弱。在强冲击由于某些原因施加到由箭头W表示的部位时,认为在壳体113与壁101之间产生间隙。间隙导致屏蔽性能的劣化。
发明内容
已经考虑上述问题做出本发明,并且本发明的目的是提供一种屏蔽连接器结构,其能够防止屏蔽性能的劣化。
为实现上述目的,提供以下构造(1)和(2)的屏蔽连接器结构。
(1)提供一种屏蔽连接器结构,包括:
屏蔽线,所述屏蔽线用于连接装置;
屏蔽连接器,所述屏蔽连接器设置在所述屏蔽线上;以及
金属部件,所述金属部件设置在所述装置上,
其中,所述屏蔽连接器包括:端子配件,所述端子配件连接至所述屏蔽线的导体;屏蔽端子,所述屏蔽端子连接至所述屏蔽线的屏蔽部件,并且与所述金属部件直接或间接接地进行接触;壳体,所述屏蔽线插入到所述壳体中;以及螺栓,所述螺栓用于将所述壳体固定至所述金属部件;
其中,所述金属部件包括圆形插孔和阴螺纹部,所述阴螺纹部设置在所述圆形插孔附近;
其中,所述圆形插孔包括:内周突部,所述内周突部从所述圆形插孔的内表面在内周方向上延伸;以及切除部,所述切除部分割所述内周突部的一部分;
其中,所述壳体包括筒状壳体主体和固定凸缘部,所述固定凸缘部具有螺栓插孔并且与所述壳体主体一体化;
其中,所述壳体主体包括:主体插入部,所述主体插入部被构造为插入所述圆形插孔中;以及突起部,所述突起部与所述内周突部在所述圆形插孔中的位置相对应地从所述主体插入部的外周表面突出;
其中,所述突起部设置成与第一轴对齐,所述第一轴连接所述壳体主体的主体中心与所述螺栓插孔的孔中心,并且所述突起部设置成使得所述主体中心布置在所述螺栓插孔与所述突起部之间;以及
其中,所述切除部设置成与第三轴对齐,所述第三轴与第二轴相交,所述第二轴连接所述圆形插孔的中心与所述阴螺纹部的中心。
根据构造(1)的屏蔽连接器结构,即使当强冲击由于某些原因施加于紧固点的相反侧时,由于屏蔽连接器的壳体的突起部与装置中的金属部件的内周突部接合,所以能够实现屏蔽连接器到装置的显著的固定状态。换言之,能够防止紧固点的相反侧上的间隙的产生。另外,根据该方面,由于通过使突起部的位置与切除部的位置对齐而将主体插入部插入到圆形插孔中,并且然后通过转动壳体使突起部与内周突部接合,所以能够确保极好的可操作性。
(2)例如,第三轴以锐角与第二轴相交。
根据构造(2)的屏蔽连接器结构,能够减少壳体的转动量,从而有助于确保极好的可操作性。
(3)例如,在从前侧观看所述圆形插孔的状态下,所述内周突部形成为C形肋。
(4)例如,紧密接触表面和外周突部形成在所述主体插入部的外周表面上,密封件装接在所述紧密接触表面上,所述外周突部定位所述密封件。
根据本发明的屏蔽连接器结构,即使当强冲击由于某些原因施加于紧固点的相反侧时,也不产生间隙。因此,能够防止屏蔽性能劣化。
附图说明
图1A和1B是图示出本发明的屏蔽连接器结构的一个实施例的视图,其中图1A是立体图并且图1B是图1A的前视图;
图2是沿着图1B中的线A-A截取的截面图;
图3是图2的主要部分的放大图;
图4A是壳体的立体图,并且图4B是壁的立体图;
图5A是壁的前视图,并且图5B是壁的后视图;
图6是图示出通过将主体插入部插入到圆形插孔而使壳体转动之前的状态的前视图;
图7是图示出通过将主体插入部插入到圆形插孔而使壳体转动之前的状态的后视图(图示出图6的后侧的视图);
图8是沿着图7中的线B-B截取的截面图;
图9是图示出在通过将主体插入部插入到圆形插孔而使壳体转动之后的状态的前视图;
图10是图示出通过将主体插入部插入到圆形插孔而使壳体转动之后的状态的后视图(图示出图9的后侧的视图);
图11A至11D是图示出现有技术的屏蔽连接器结构的视图,其中图11A是立体图,图11B是壳体的立体图,图11C是壁的立体图,并且图11D是壁的前视图;
图12是沿着图11A中的线C-C截取的截面图;以及
图13是图12的主要部分的放大图。
具体实施方式
屏蔽连接器结构在与由螺栓单点固定的紧固点相反的一侧上具有装置的圆形插孔与屏蔽连接器的壳体互相接合的部分。具体地,圆形插孔包括:内周突部,其具有突出形状并且在内周方向上延伸;以及切除部,其具有将内周突部的一部分分割的形状。并且壳体包括:突起部,其从切除部的位置移动,并且通过被旋转而与内周突部接合。
实施例
下文将参考附图描述实施例。图1A和1B是图示出本发明的屏蔽连接器结构的一个实施例的视图,其中图1A是立体图,并且图1B是图1A的前视图。另外,图2是沿着图1B的线A-A截取的截面图,并且图3是图2的主要部分的放大图。另外,图4A是壳体的立体图,并且图4B是壁的立体图。此外,图5A是壁的前视图,并且图5B是壁的后视图。另外,图6和7是图示出使壳体转动之前的状态的前视图和后视图,并且图8是沿着图7中的线B-B截取的截面图。另外,图9和10是图示出使壳体转动之后的状态的前视图和后视图。
[关于屏蔽连接器结构1]
在图1A和1B中,根据本发明的一个实施例的屏蔽连接器结构1包括:屏蔽线2,其用于电连接安装在混合动力车辆或电动车辆上的高电压装置;屏蔽连接器3,其设置在屏蔽线2的末端中;以及装置的屏蔽壳4(金属部件)。在实施例中,假设上述装置是逆变器、电机等。后文中将描述各个构成部件。
[关于屏蔽线2]
在图1A至2中,屏蔽线2与现有技术的屏蔽线102(见图12)相同,并且包括:导体5,其具有圆形截面并且具有导电性;绝缘体6,其具有以预定厚度覆盖导体5的绝缘性能;屏蔽部件7(编织体:通过编制具有导电性的单元线而形成为管状),其覆盖芯部;以及护套8,其具有以预定厚度覆盖屏蔽部件7的外侧的绝缘性能。
屏蔽线2的末端是经处理的。具体地,以预定长度去除护套8。当去除护套8时,屏蔽部件7露出,并且将露出的屏蔽部件7折回到护套8上。当将屏蔽部件7折回时,绝缘体6露出,并且以预定长度去除露出的绝缘体6。当以预定长度去除绝缘体6时,导体5露出。当将屏蔽线2的末端处理成上述状态时,将屏蔽连接器3组装至末端部。
[关于屏蔽连接器3]
在图1A至3中,屏蔽连接器3包括:导电端子配件9,其连接至屏蔽线2的导体5;导电屏蔽端子10,其连接至屏蔽线2的屏蔽部件7,并且与屏蔽壳4的壁27(后文将描述)进行非直接接触;金属屏蔽环11,其用于将屏蔽部件7固定至屏蔽端子10;导电壳体12,屏蔽线2插入到其中;螺栓13,其用于将壳体12固定至壁27;定位部件14,其用于确定屏蔽线2相对于壳体12的位置;防水密封件15和橡胶塞16,其分别设置在壳体12的外侧和内侧;以及树脂后保持器17,其与壳体12的后部接合。
关于屏蔽连接器3,由于壳体12具有特征,所以下文将描述壳体12(假设其他构成部件与现有技术相同,并且此处将省略其描述)。
[关于壳体12]
在图1A至4B中,壳体12包括:壳体主体18;环形凸缘部19,其与壳体主体18一体化;以及固定凸缘部20,其与环形凸缘部19一体化,并且形成为附图中图示的形状。
在图2至4B中,壳体主体18形成为在前后方向上延伸的筒状。壳体主体18包括主体插入部21和主体后部22。主体插入部21形成在插入到后文将描述的壁27的圆形插孔31内的部分处。另外,在主体插入部21中,屏蔽线2的插入部分形成在其内侧上。在主体插入部21的内周表面上,形成了相对于橡胶塞16的紧密接触表面(省略其参考标记)以及相对于定位部件14的接合台阶部(省略其参考标记)。同时,在主体插入部21的外周表面上,形成了相对于密封件15的紧密接触表面23和用于确定密封件15的位置的外周突部24。另外,作为屏蔽连接器结构1的特征部分的突起部25也形成在主体插入部21的外周表面上。外周突部24形成为绕着主体插入部21的外周表面的环形突出部分。
[关于突起部25]
在图3至4B中,突起部25形成为具有片状的突起部分。突起部25形成为比外周突部24更靠近前侧定位。突起部25形成在与外周突部24夹置内周凸缘部32(后文将描述)的部分处。突起部25设置成与第一轴L1对齐,第一轴L1连接壳体主体18的主体中心C1与后文将描述的螺栓插孔26的孔中心C2。另外,突起部25形成为设置在相对于主体中心C1的与螺栓插孔26相反的位置处。突起部25形成于在施加了强冲击(后文将描述)的情况下与内周突部32接合的部分(被卡住的部分,进行接触的部分)处。突起部25形成为使得其顶部为弧形(形成为具有根据后文将描述的圆形插孔31的曲率的弧形)。
[关于固定凸缘部20]
在图2至4B中,固定凸缘部20形成在用于将壳体相对于屏蔽壳4的壁27(后文将描述)螺栓紧固的部分处。固定凸缘部20形成在从环形凸缘部19的缘部以大致三角形突出的部分处。圆形螺栓插孔26形成为贯通固定凸缘部20。螺栓插孔26形成在用于插入螺栓13的部分处。
[关于装置的屏蔽壳4(金属部件)]
在图1A至5中,装置的屏蔽壳4包括导电的壁27。在壁27上,一个表面28和另一个表面29均形成为平坦的。在壁27上,阴螺纹部30充当螺栓13的拧入部,并且圆形插孔31充当壳体主体18的插入部。阴螺纹部30形成为设置在圆形插孔31附近。
[关于圆形插孔31]
在图2至5中,圆形插孔31形成为圆形地贯通壁27。圆形插孔31具有内周突部32和切除部33。内周突部32和切除部33是屏蔽连接器结构1的特征部。
[关于内周突部32和切除部33]
在图2至5中,内周突部32形成在圆形插孔31的内周方向上延伸的突出部分处。另外,切除部33形成为具有分割内周突部32的一部分的形状的部分。在从前方观看圆形插孔31的状态下,内周突部32和切除部33形成为C形肋。切除部33(内周突部32的分割部)设置为与第三轴L3对齐,第三轴L3与连接圆形插孔31的中心C3和阴螺纹部30的中心C4的第二轴L2相交。
[关于屏蔽连接器3与壁27的第一组装过程]
当通过使突起部25的位置与切除部33的位置对齐而将主体插入部21插入圆形插孔31中时,获得图6和7图示的状态。在第一组装过程中,当在第一轴L1与第三轴L3对齐的状态下屏蔽连接器3倾斜时,突起部25的位置与切除部33的位置对齐,并且此时,屏蔽连接器3处于能够将主体插入部21插入到圆形插孔31中的状态。在该状态下,当推入屏蔽连接器3时,完成第一组装过程。换言之,完成主体插入部21的插入。此外,在第一轴L1未与第三轴L3对齐的状态下,固定凸缘部20或环形凸缘部19与壁27的一个表面28分开,从而,操作者能够立即识别插入未完成(当插入未完成时,通过稍微左右转动壳体,突起部25落入切除部33中,并且因此,完成了主体插入部21的插入)。
[关于屏蔽连接器3与壁27的第二组装过程]
在第二组装过程中,当在图6中的箭头的方向上转动壳体12时,在第一轴L1与第二轴L2对齐的位置处,如图9所示,螺栓插孔26与阴螺纹部30对齐,并且第二组装过程完成。当如上所述转动壳体12时,突起部25与内周突部32接合,如图10和3所示。
[关于屏蔽连接器3与壁27的第三组装过程]
在第三组装过程中,当将螺栓13通过与阴螺纹部30对齐的螺栓插孔26插入并且拧紧时,如图1A至2所示,屏蔽连接器3固定至壁27,并且一系列过程完成。因此,屏蔽连接器结构1形成。
[关于强冲击施加至屏蔽连接器结构1的情况]
在图3中,在屏蔽连接器结构1中,由于突起部25处于与内周突部32接合的状态,所以即使当强冲击由于某些原因施加至由箭头W指示的部位时,环形凸缘部19与壁27之间也难以产生影响屏蔽性能的间隙(浮动等)。
[关于屏蔽连接器结构1的效果]
以上,如参考图1A至10所述,根据作为本发明的实施例的屏蔽连接器结构1,由于某些原因,即使当强冲击施加至与紧固点(由箭头W表示的位置)相反的一侧时,由于屏蔽连接器3中的壳体12的突起部25与屏蔽壳4的内周突部32接合,也能够相对于屏蔽壳4显著地固定屏蔽连接器3。换言之,能够防止紧固点的相反侧上的间隙的产生。
另外,根据本发明的实施例的屏蔽连接器结构1,由于通过使突起部25的位置与切除部33的位置对齐而将主体插入部21插入到圆形插孔31中,并且之后仅通过转动壳体12使突起部25与内周突部32接合,所以还能够确保极好的可操作性。
此外,根据本发明的实施例的屏蔽连接器结构1,由于将第三轴L3设定为以锐角与第二轴L2相交,所以能够减少壳体12的转动量,并且从而有助于确保极好的可操作性。
毋庸置疑的是,能够在不改变本发明的主旨的范围内各种修改本发明。

Claims (5)

1.一种屏蔽连接器结构,包括:
屏蔽线,所述屏蔽线用于连接装置;
屏蔽连接器,所述屏蔽连接器设置在所述屏蔽线上;以及
金属部件,所述金属部件设置在所述装置上,
其中,所述屏蔽连接器包括:端子配件,所述端子配件连接至所述屏蔽线的导体;屏蔽端子,所述屏蔽端子连接至所述屏蔽线的屏蔽部件,并且与所述金属部件直接或间接地进行接触;壳体,所述屏蔽线插入到所述壳体中;以及螺栓,所述螺栓用于将所述壳体固定至所述金属部件;
其中,所述金属部件包括圆形插孔和阴螺纹部,所述阴螺纹部设置在所述圆形插孔的附近;
其中,所述圆形插孔包括:内周突部,所述内周突部从所述圆形插孔的内表面在内周方向上延伸;以及切除部,所述切除部分割所述内周突部的一部分;
其中,所述壳体包括筒状壳体主体和固定凸缘部,所述固定凸缘部具有螺栓插孔并且与所述壳体主体一体化;
其中,所述壳体主体包括:主体插入部,所述主体插入部被构造为插入到所述圆形插孔中;以及突起部,所述突起部与所述内周突部在所述圆形插孔中的位置相对应地从所述主体插入部的外周表面突出所述突起部与所述内周突部结合;
其中,所述突起部设置成与第一轴对齐,所述第一轴连接所述壳体主体的主体中心和所述螺栓插孔的孔中心,并且所述突起部设置成使得所述主体中心布置在所述螺栓插孔与所述突起部之间;并且
其中,所述切除部设置成与第三轴对齐,所述第三轴与连接所述圆形插孔的中心和所述阴螺纹部的中心的第二轴相交。
2.根据权利要求1所述的屏蔽连接器结构,其中,所述第三轴以锐角与所述第二轴相交。
3.根据权利要求1或2所述的屏蔽连接器结构,其中,在从前侧观看所述圆形插孔的状态下,所述内周突部形成为C形肋。
4.根据权利要求1或2所述的屏蔽连接器结构,其中,紧密接触表面和外周突部形成在所述主体插入部的外周表面上;
其中,密封件装接在所述紧密接触表面上;并且
其中,所述外周突部定位所述密封件。
5.根据权利要求3所述的屏蔽连接器结构,其中,紧密接触表面和外周突部形成在所述主体插入部的外周表面上;
其中,密封件装接在所述紧密接触表面上;并且
其中,所述外周突部定位所述密封件。
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