CN114586245B - 缆线连接器组件 - Google Patents

缆线连接器组件 Download PDF

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CN114586245B
CN114586245B CN202080075277.4A CN202080075277A CN114586245B CN 114586245 B CN114586245 B CN 114586245B CN 202080075277 A CN202080075277 A CN 202080075277A CN 114586245 B CN114586245 B CN 114586245B
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ferrule
terminal
cable
connector assembly
external terminal
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CN114586245A (zh
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熊本忠史
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Tyco Electronics Japan GK
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • 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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
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    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/516—Means for holding or embracing insulating body, e.g. casing, hoods
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • 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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
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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
    • H01R4/10—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—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 effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion
    • H—ELECTRICITY
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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
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0518—Connection to outer conductor by crimping or by crimping ferrule
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

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Abstract

目的在于提供缆线连接器组件，其降低套圈的前后方向的安装位置精度，且使该套圈承担防止脱落的作用。缆线连接器组件具备同轴连接器（20）、屏蔽缆线（30）和套圈（40）。同轴连接器（20）具有内部端子（21）、绝缘壳体（22）和外部端子（23）。另外，屏蔽缆线（30）具有内部导体（31）、绝缘层（32）和外部导体（33）。套圈（40）配置于外部端子（23）的内侧且压接于外部端子（23）。在此，外部端子（23）具有卡止于套圈（40）且抑制屏蔽缆线（30）的拔出的、形成于屏蔽缆线（30）的轴向的互不相同的位置的多个卡止部（232）。

Description

缆线连接器组件
技术领域
本发明涉及同轴连接器压接连接于屏蔽缆线的缆线连接器组件。
背景技术
在缆线连接器组件的制造时，屏蔽缆线（包括同轴缆线）的内部导体压接连接于同轴连接器的内部端子。而且，该内部端子插入于同轴连接器的绝缘壳体中。其后，屏蔽缆线的外部导体压接连接于同轴连接器的外部端子。在此，在将屏蔽缆线的外部导体压接连接于同轴连接器的外部端子时，为了避免压接导致绝缘层收缩直径而使用套圈。另外，对于该套圈，还希望在对屏蔽缆线施加从同轴连接器拔出的力时使该套圈卡止于外部端子而承担防止该拔出的作用。
专利文献1中公开了使设置在套圈的锁定突起卡止于设置在同轴连接器的外部端子的卡止片（锁定突出部）从而防止拔出的结构的缆线连接器组件。
现有技术文献
专利文献
专利文献1：日本特开2017-168440号公报。
发明内容
发明要解决的课题
内部端子需要高精度地配置于对于前后方向确定的位置。因此，插入于绝缘壳体中的内部端子通过对壳体的既定部位的抵触等来进行定位。相对于此，套圈是以避免绝缘层收缩直径为主要目的的部件。因而，如果只是达成该主要目的，即使前后方向的位置精度相当粗糙也没关系。然而，如果想使该套圈承担防脱的目的，除了需要防止内部端子向前后方向移位外，还需要将套圈高精度定位。例如专利文献1的套圈的锁定突起需要相对于外部端子的卡止片（锁定突出部）正确定位。这是因为，若它们处于沿前后方向相互分离的位置，则直到锁定突起卡止于卡止片，内部端子较大地移位。另外，若锁定突起处于比卡止片更靠后方的位置，则有不卡止而脱落的风险。
鉴于上述情形，本发明目的在于提供缆线连接器组件，其降低套圈的前后方向的安装位置精度且使该套圈承担防止脱落的作用。
用于解决课题的方案
关于达成上述目的的本发明的缆线连接器组件，其特征在于，具备：
同轴连接器，其具有内部端子、包围内部端子周围的绝缘壳体和包围绝缘壳体周围的外部端子；
屏蔽缆线，其具有连接于内部端子的内部导体、包围内部导体周围的绝缘层和包围绝缘层的外部导体；和
套圈，其配置于外部端子的内侧且压接于外部端子，
外部端子具有卡止于套圈且抑制屏蔽缆线的拔出的、形成于屏蔽缆线的轴向的互不相同的位置的多个卡止部。
关于本发明的缆线连接器组件，多个卡止部形成于屏蔽缆线的轴向的互不相同的位置。因此，在作用有拔出的力时，套圈卡止于任一卡止部，防止内部端子的超出允许范围的移位和拔出。
在此，在本发明的缆线连接器组件中，优选为上述卡止部是沿后端成为固定端和前端成为自由端的朝向倾斜向内延伸的突起。
在沿该朝向倾斜地延伸的卡止部的情况下，与套圈重叠的卡止部在压接时被推回，减轻扰乱压接的风险。另外，不与套圈重叠地位于套圈的稍后方的卡止部在作用有拔出的力时卡止于套圈，有效地防止拔出。
发明的效果
根据以上的本发明的缆线连接器组件，即使套圈的前后方向的安装位置精度低，也能够使该套圈承担防止脱落的作用。
附图说明
图1是本发明的一个实施方式的缆线连接器组件的立体图（A）和其部分截面图（B）。
图2是装配前的同轴连接器和屏蔽缆线的立体图。
图3是将完成后的缆线连接器组件分为屏蔽缆线（带有内部端子）（A）和同轴连接器（内部端子除外）（B），对于同轴连接器示出截面的图。
图4是示出套圈的移位的图。
图5是将卡止部周围的部分截面而示出的同轴连接器（内部端子除外）的侧视图（A），和在该截面将处于图4（B）的A Long的位置的套圈重叠而示出的图（B）。
图6是示出压接后的卡止部的形状的和图5同样的图。
具体实施方式
以下，对于本发明的实施方式进行说明。
图1是本发明的一个实施方式的缆线连接器组件的立体图（A）和其部分截面图（B）。
另外，图2是装配前的同轴连接器和屏蔽缆线的立体图。
另外，图3是将完成后的缆线连接器组件分为屏蔽缆线（带有内部端子）（A）和同轴连接器（内部端子除外）（B），对于同轴连接器示出截面的图。
该缆线连接器组件10由同轴连接器20、屏蔽缆线30和套圈40（参照图3）构成。
同轴连接器20具有内部端子21、绝缘壳体22和外部端子23。内部端子21是阴型端子，压接连接于屏蔽缆线30的内部导体31（参照图3）。绝缘壳体22具有内部空间221（参照图3）。内部端子21插入于该内部空间221内，成为绝缘壳体22包围该内部端子21周围的状态。另外，外部端子23具有筒状，并包围绝缘壳体22周围。在图2中，外部端子23处于与支架50连接的状态。
另外，屏蔽缆线30具有内部导体31（参照图3）、绝缘层32、外部导体33和外皮34。如上所述，内部端子21压接连接于内部导体31。绝缘层32包围内部导体31的四周。另外，外部导体33包围绝缘层32的四周。进而，外皮34包围外部导体33的四周。
套圈40如图3中示出那样，以包围外部导体33的方式配置。
在该屏蔽连接器组件10的装配时，以屏蔽缆线30的内部导体31的前端部露出的方式切掉绝缘层32。而后，进而，以外部导体33露出的方式切掉外皮34。而后，套圈40安装于外皮34被切掉而留有外部导体33、绝缘层32和内部导体31的部分。而后，外部导体33的比套圈40更靠前端的部分在套圈40之上折回。图2中示出了外部导体33折回的状态。因此，在图2中，套圈40被外部导体33覆盖，并未图示。在图3和后述的图4以后的各图中，为了图示套圈40而不图示外部导体33的折回部分。而后，内部端子21压接连接于内部导体31。
图2中示出了已加工直到该阶段的屏蔽缆线30。
压接连接于屏蔽缆线30的内部导体31的内部端子21插入于配置于外部端子23内的绝缘壳体22内。内部端子21插入于绝缘壳体22内，且内部端子21的抵触部211抵触于绝缘壳体22的定位壁222（参照图3）。由此，内部端子21配置于正确的位置。
在该插入时，外部端子23如图2中示出那样，其后部231成为加宽的状态。将内部端子21插入于该状态的外部端子23内的绝缘壳体22内，且将外部端子23的后部231压接于在套圈40（参照图3）上折回的外部导体33。由于配置有套圈40，因而绝缘层32不被压溃，保持原来的直径。图1（A）中示出了压接后的形状的同轴连接器20。
如图1中示出那样，卡止部232形成于外部端子23。该卡止部232是沿后端成为固定端和前端成为自由端的朝向倾斜向内延伸的、以悬臂梁形状向内切起的突起。如图3中示出那样，若比较从内部端子21的抵触部211直到套圈40的后端缘401的长度A、和从绝缘壳体22的定位壁222直到卡止部232的长度B，则长度B比长度A略长。因而，该卡止部232如图1（B）中示出那样位于套圈40的后端缘401的稍后方。在此，图1（B）中示出的箭头R的朝向的力、即将屏蔽缆线30从同轴连接器20拔出的朝向的力施加于屏蔽缆线30。之后，套圈40的后端缘401卡止于卡止部232，防止其脱落。套圈40仅向后方移动直到卡止于其稍后方的卡止部232的微小距离，该程度的移动量在内部端子21的配置位置的误差范围内，功能上没有任何问题。
在此，卡止部232形成于在前后方向不同的多个部位（在本实施方式中为两处）。以下，对于其理由进行说明。
图4是示出套圈的移位的图。
关于套圈40，从内部端子21的抵触部211直到套圈40的后端部401的长度在从图4（A）中示出的A Short直到图4（B）中示出的A Long的范围内较大地偏差。卡止部232只设置在前后方向的一处。而且，使该卡止部232位于处于图4（B）中示出的A Long的位置的套圈40的后端缘401的稍后方。此时，在套圈40处于图4（A）中示出的A Short的位置的情况下，在对屏蔽缆线30施加拔出的朝向的力时，内部端子21较大地移动直到套圈40的后端缘401卡止于卡止部232。其移动的长度是有同轴连接器20失去正常功能的风险的长度。
另一方面，使仅一处的卡止部232位于处于图4（A）中示出的A Short的位置的套圈40的后端缘401的稍后方。而且，使套圈40处于图4（B）中示出的A Long的位置。这意味着套圈40和卡止部232重叠。在这种情况下，不能使套圈40的后端缘401卡止于卡止部232，有屏蔽缆线30和内部端子21从同轴连接器20脱出的风险。
于是，在本实施方式中，卡止部232设置在前后方向的两处。
图5是将卡止部周围的部分截面而示出的同轴连接器（内部端子除外）的侧视图（A），和在该截面将处于图4（B）的A Long的位置的套圈重叠而示出的图（B）。
在此示出了两个卡止部232。这两个卡止部232如图5（A）中示出那样，设置在沿前后方向仅移开距离d的位置。该距离d是即使内部端子21移动也不对功能造成影响的距离。
如图5（B）中示出那样，这两个卡止部232中的处于前侧的卡止部232a处于与处于ALong的位置的套圈40重叠的位置。另一方面，处于后侧的卡止部232b位于处于A Long的位置的套圈40的稍后方。因此，即使套圈40处于A Long的位置，处于后侧的卡止部232b也起到防止拔出的作用。
图6是示出压接后的卡止部的形状的和图5同样的图。
卡止部232如图5中示出那样，是沿后端成为固定端和前端成为自由端的朝向倾斜向内延伸的、以悬臂梁形状向内切起的突起。因此，处于与套圈40重叠的位置的卡止部232a返回到完全不妨碍压接的通过压接切起前的形状。
套圈40处于图4（A）中示出的A Short的位置时，前侧卡止部232a起到防脱的作用。
此外，在本实施方式中，将卡止部232设置在前后方向的两处，但卡止部232不限于两处。考虑到套圈40的安装移位的范围和内部端子21的移位的允许范围，也可以卡止部232设置在三处以上。
符号说明
10 缆线连接器组件
20 同轴连接器
21 内部端子
22 绝缘壳体
23 外部端子
30 屏蔽缆线
31 内部端子
32 绝缘层
33 外部端子
40 套圈
401 套圈的后端缘。

Claims (2)

1.一种缆线连接器组件，其特征在于，具备：
同轴连接器，其具有内部端子、包围该内部端子周围的绝缘壳体和包围该绝缘壳体周围的外部端子；
屏蔽缆线，其具有连接于所述内部端子的内部导体、包围该内部导体周围的绝缘层和包围该绝缘层的外部导体；和
套圈，其配置于所述外部端子的内侧且压接于该外部端子，
所述外部端子具有卡止于所述套圈且抑制所述屏蔽缆线的拔出的、形成于该屏蔽缆线的轴向的互不相同的位置的多个卡止部。
2.根据权利要求1所述的缆线连接器组件，其特征在于，所述卡止部是沿后端成为固定端和前端成为自由端的朝向倾斜向内延伸的突起。
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