WO2024120085A1 - 线缆连接器 - Google Patents

线缆连接器 Download PDF

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Publication number
WO2024120085A1
WO2024120085A1 PCT/CN2023/129193 CN2023129193W WO2024120085A1 WO 2024120085 A1 WO2024120085 A1 WO 2024120085A1 CN 2023129193 W CN2023129193 W CN 2023129193W WO 2024120085 A1 WO2024120085 A1 WO 2024120085A1
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WO
WIPO (PCT)
Prior art keywords
terminal
insulator
cable connector
riveted
central
Prior art date
Application number
PCT/CN2023/129193
Other languages
English (en)
French (fr)
Inventor
陈松涛
戴燕飞
Original Assignee
启东乾朔电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 启东乾朔电子有限公司 filed Critical 启东乾朔电子有限公司
Publication of WO2024120085A1 publication Critical patent/WO2024120085A1/zh

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Classifications

    • 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
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/646—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00 specially adapted for high-frequency, e.g. structures providing an impedance match or phase match
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Definitions

  • the invention relates to a cable connector, in particular to a cable connector with an external terminal.
  • the traditional automotive "FAKRA" interconnection system can no longer meet future requirements due to size and frequency range limitations. For example, 360-degree surround view, fatigue driving, 5G communication, GPS, and vehicle-to-machine communication will increase the RF (radio frequency) interconnection system of the entire vehicle to more than 10 channels.
  • the use of the traditional automotive "FAKA” interconnection system will take up more space and require higher costs; therefore, it is necessary to develop a small coaxial contact component with higher frequency, smaller size, and easier modular assembly and mass production to adapt to the development of the automotive industry.
  • Existing cable connectors generally include an insulator, a center terminal, an outer terminal and a cable.
  • the center terminal is inserted and fixed on the insulator, and the outer terminal is sleeved on the insulator.
  • the insulator insulates the center terminal and the outer terminal.
  • the outer terminal adopts a stamped ring structure, and the product's dimensional tolerance is large, resulting in failure to cooperate normally with the docking connector during use.
  • the object of the present invention is to provide a cable connector with improved structural strength and high-frequency data transmission quality.
  • a cable connector comprising an insulating seat, a central terminal, an outer terminal, an insulator, and a cable extending backward from the insulating seat, wherein the central terminal is inserted and fixed in the insulator, the central terminal comprises a central contact portion located at the front end and a central connecting portion located at the rear end, the outer terminal is sleeved on the outside of the insulator, the insulator insulates and separates the central terminal and the outer terminal, the outer terminal is fixed in the insulating seat, and comprises an outer contact portion located at the front end and an outer connecting portion located at the rear end, the cable comprises a conductor, an insulator wrapping the conductor, an insulating sheath, and a metal braided layer between the insulator and the insulating sheath, the central connecting portion is connected to the conductor, the outer connecting portion is connected to the braided layer, the outer terminal is provided with a hollow cylindrical
  • the external terminal comprises a front terminal and a rear terminal which are sleeved together front and back, and at least one of the front terminal and the rear terminal is formed by seamless connection.
  • the front terminal and the rear terminal are welded together by laser or resistance welding.
  • a further improvement is that the front terminal includes a front sleeve portion extending backward from the external contact portion, and the rear terminal includes a rear sleeve portion and the external connection portion extending backward from the rear sleeve portion, the front sleeve portion and the rear sleeve portion are plugged together front to back, and the external contact portion is provided with a groove to provide elastic contact with the docking connector.
  • the rear sleeve connection portion is provided with a front through hole
  • the external connection portion is provided with a rear through hole
  • the inner diameter of the front through hole is larger than the inner diameter of the rear through hole
  • the front sleeve connection portion is inserted into the front through hole
  • the outer diameter of the rear sleeve portion is greater than the outer diameter of the outer connecting portion.
  • a further improvement further includes a rivet piece riveted to the external connection portion, and the front end of the braided layer is clamped and fixed between the rivet piece and the external connection portion.
  • the insulating seat body includes an insertion hole and a fixing hole extending backward from the insertion hole, the center contact portion and the outer contact portion are located in the insertion hole, the riveted part includes a front riveted portion and a rear riveted portion connected front and rear, the front riveted portion is riveted to the outer connection portion, the rear riveted portion is riveted to the outer side surface of the insulating outer skin, and the inner wall of the fixing hole is provided with a protrusion that presses backward against the rear end.
  • a further improvement includes a pair of secondary clips fixed on the left and right sides of the insulating seat body, the insulating seat body includes a top wall, a bottom wall and left and right side walls, the two side walls are respectively provided with fixing openings, the secondary clips include a base fixed to the corresponding fixing openings and a plurality of clip arms extending inward from the base, the clip arms are clipped onto the external connecting portion and abut against the rear sleeve portion forward.
  • top wall and the bottom wall are provided with notches, and the corresponding snap arms are provided with snap protrusions snapped together with the corresponding notches to limit the secondary snap parts from loosening or falling off on the insulating seat.
  • the outer terminal of the cable connector of the present invention adopts a hollow cylindrical structure made by a seamless molding process, which improves the appearance accuracy and stability of the outer terminal and increases the structural strength of the outer terminal, that is, increases the stability of the inner and outer sides of the hollow cylinder respectively combined with the insulator and the insulating seat support, improves the position of the middle center terminal, and ensures reliable contact with the docking connector.
  • this seamless molding method can prevent the black screen phenomenon caused by poor connection, especially the black screen phenomenon in automatic driving, which increases safety hazards.
  • FIG. 1 is a perspective view of a cable connector according to the present invention.
  • FIG. 2A is a front view of the cable connector of the present invention.
  • FIG. 2B is a cross-sectional view of FIG. 2A along the AA direction.
  • FIG. 3A is a side view of the cable connector of the present invention.
  • Fig. 3B is a cross-sectional view of Fig. 3A along the B-B direction.
  • FIG. 4 is a perspective exploded view of the cable connector of the present invention.
  • FIG. 5 is a perspective view of a first outer terminal of the cable connector of the present invention.
  • FIG. 6 is a perspective view of the second outer terminal of the cable connector of the present invention.
  • FIG. 7 is a three-dimensional view of the secondary latch of the cable connector of the present invention.
  • the present invention discloses a cable connector 100 , which includes an insulating base 10 , a center terminal 20 , an outer terminal 30 , an insulator 40 , a rivet 50 , a cable 60 , and a pair of secondary latches 70 fixed to the left and right sides of the insulating base 10 .
  • the insulating seat body 10 includes a top wall 11, a bottom wall 12 corresponding to the top wall 11, left and right side walls 13, and a plurality of plug holes 14 and a plurality of fixing holes 15 formed between the top wall 11, the bottom wall 12 and the side walls 13.
  • the plug holes 14 are provided at the front end of the insulating seat body 10, and each fixing hole 15 extends backward from the corresponding plug hole 14 and penetrates the insulating seat body 10.
  • Each side wall 13 is provided with a fixing opening 130, which is connected to the fixing hole 15.
  • the center terminal 20 is configured as a tubular structure, which includes a center contact portion 21 located at the front end and a center connecting portion 22 located at the rear end.
  • the center contact portion 21 is configured as a circular ring, and an insertion port is provided at the front end for inserting the contact terminal of the docking connector.
  • the center connecting portion 22 is connected to the front end of the cable 60.
  • the outer terminal 30 includes a front terminal 31 and a rear terminal 32 which are sleeved together.
  • the front terminal 31 and the rear terminal 32 are respectively made by a drawing molding process to form a hollow cylindrical structure with no gaps.
  • the seamless central control cylindrical structure can also be formed by other methods, such as expanding a pipe hole or lathe processing, as long as a seamless structure is formed.
  • the front terminal 31 includes a front end
  • the outer contact portion 311 and the front sleeve portion 312 extending backward from the outer contact portion 311 are also set in a circular ring shape, surrounding the outside of the insulator 40, and partially protruding forward from the insulator 40, that is, the insulator 40 is placed in the hollow cylinder, that is, the stability of the support and combination of the inner insulator 40 of the hollow cylinder is increased, the position of the center terminal is improved, and the contact with the docking connector is reliable.
  • the rear terminal 32 includes a rear sleeve portion 322 connected front and back and an outer connection portion 323 extending backward from the rear sleeve portion 322.
  • the rear sleeve portion 322 is provided with a front through hole 3220, and the outer connection portion 323 is provided with a rear through hole 3230.
  • the outer diameter of the rear sleeve portion 322 is greater than the outer diameter of the outer connection portion 323, and the inner diameter of the front through hole 3220 is greater than the inner diameter of the rear through hole 3230.
  • the front sleeve part 312 and the rear sleeve part 322 are plugged together front and back, and the front sleeve part 312 is inserted into the front through hole 3220 fixed to the rear sleeve part 322, and can be backed against the front end of the external connection part 323 to limit the excessive backward movement of the front terminal 31.
  • the hollow cylindrical outer support is on the insulating seat body 10, which further increases the stability of the hollow cylindrical outer side and the insulating seat body 10, improves the position of the center terminal, and contacts the docking connector reliably.
  • the front sleeve part 312 and the rear sleeve part 322 are also fixed as a whole by laser or resistance welding to strengthen the fixed connection strength of the front terminal 31 and the rear terminal 32.
  • the inner wall of the fixing hole 15 is provided with a protrusion 152, which is backed against the front sleeve part 312 to prevent the rear terminal 32 from moving forward, and the external connection part 323 is suspended in the fixing hole 15.
  • the rear sleeve part 322 is inserted forward and fixed in the front sleeve part 312.
  • the front terminal 31 and the rear terminal 32 of the above-mentioned external terminal 30 are hollow cylindrical structures made by a seamless molding process, so as to improve the shape accuracy and stability of the front terminal and the rear terminal, and increase the structural strength of the front and rear terminals, that is, increase the stability of the inner and outer sides of the hollow cylinder in supporting and combining with the insulator 40 and the insulating seat body 10 respectively, improve the position of the center terminal, and ensure reliable contact with the docking connector.
  • the radio frequency leakage defect at the seam line of the stamped circular ring structure is solved, and the quality of high-frequency data transmission is improved.
  • this seamless molding method can prevent the black screen phenomenon caused by poor connection, especially the black screen phenomenon in automatic driving, which increases safety hazards.
  • only one of the front terminal 31 and the rear terminal 32 needs to be a hollow cylindrical structure made by a seamless molding process to realize the present invention, because the insulator 40 or the insulating seat The body 10 is injection molded, and its inner wall is relatively flat, so the outer side of the insulator 40 and the outer side of the hollow cylinder or the inner side of the insulating seat body 10 and the outer side of the hollow cylinder are stably matched.
  • the seamless structure formed by the front terminal 31 enables the front terminal 31 to provide stable contact with the docking connector; the rear terminal 32 forms a seamless structure, which can improve the docking position accuracy of the center terminal 20.
  • the front and rear terminals are respectively hollow cylindrical structures and are fixed together by welding, so that the above-mentioned two technical problems of stable docking contact and docking position accuracy can be solved at the same time.
  • the insulator 40 is provided with an inner through hole 41 which passes through the insulator 30 front and back.
  • the center terminal 30 is completely inserted into the inner through hole 41 .
  • the insulator 30 is inserted and fixed in the outer terminal 30 for insulating and isolating the center terminal 20 and the outer terminal 30 .
  • the riveted part 50 includes a front riveted portion 51 and a rear riveted portion 52 connected front and back; the front riveted portion 51 is located in the fixing hole 15 of the insulating seat body 10 and riveted to the outer side of the outer connecting portion 323; the rear riveted portion 52 is riveted to the outer side of the insulating outer skin 64 of the cable 60.
  • the cable 60 includes a conductor 61, an insulator 62, a metal braided layer 63 and an insulating outer sheet 64 from the inside to the outside.
  • the insulator 62 wraps the conductor 61, and the braided layer 63 is between the insulator 62 and the insulating outer sheet 64.
  • the front end of the conductor 61 extends forward beyond the insulator 62 and is connected to the center connection portion 22 of the center terminal 20.
  • the front end of the insulator 62 extends into the rear through hole 3230 of the rear terminal 32.
  • the front end of the braided layer 63 is clamped and fixed between the outer connection portion 323 of the outer terminal 30 and the front riveted portion 51 of the riveted member 50.
  • the braided layer 63 surrounds the outer connection portion 323, so that the braided layer 63 and the outer terminal 30 are electrically connected.
  • Each secondary clip 70 is E-shaped in the front-to-back direction, and includes a base 71 and a plurality of clip arms 72 extending inward from the base 71.
  • the clip arms 72 located at the upper and lower ends are provided with clip bumps 73.
  • Each base 71 is fixed in a corresponding fixing port 130 of the insulating seat 10.
  • the clip arms 72 are clipped onto the outer connecting portion 323 of the rear terminal 32 and abut against the rear sleeve portion 322 forward to prevent the rear terminal 32 from retreating.
  • the top wall 11 and the bottom wall 12 of the insulating seat 10 are respectively provided with notches.
  • the buckle protrusions 73 of the corresponding buckle arms 72 are buckled together by 110 and 120 to prevent the secondary buckle member 70 from loosening or falling off on the insulating seat body 10 .
  • the outer terminal 30 of the cable connector 100 of the present invention adopts a drawing molding process to improve the shape accuracy and stability of the outer terminal, increase the structural strength of the outer terminal 30, solve the RF leakage defect at the seam line of the stamped circular ring structure, and improve the high-frequency data transmission quality.

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

本发明公开一种线缆连接器，其包括绝缘座体、中心端子、外端子、绝缘子及向后延伸出所述绝缘座体的线缆，所述中心端子包括位于前端的中心接触部及位于后端的中心连接部，所述外端子包括位于前端的外接触部及位于后端的外连接部，所述线缆包括导体、包裹所述导体的绝缘体、绝缘外皮及介于所述绝缘体和所述绝缘外皮之间的金属编织层，所述中心连接部与所述导体连接，所述外连接部与所述编织层连接，所述外端子采用抽引成型工艺制成的前后中空筒状结构，提高外端子的外形精度和稳定性，并且增加外端子的结构强度，解决了冲压圆环结构合缝线处射频泄露缺陷。

Description

线缆连接器 技术领域
本发明涉及一种线缆连接器，尤其涉及一种具有外端子的线缆连接器。
背景技术
随着汽车行业的快速发展，汽车自动驾驶等级也在不断提高，这就要求车载RF(射频)互连系统需要更多的传输通道和更高频率，传统的汽车“FAKRA”互连系统基于尺寸和频率范围的限制已不能再满足未来要求，例如汽车360环视、疲劳驾驶、5G通讯、GPS，车机通信会使整车的RF(射频)互连系统达到10路以上，使用传统的汽车“FAKA”互连系统会占用更多空间已经需要更高的成本；故而需要开发一种频率更高，体积更小，更便于模块化组装和批量生产的小型同轴接触组件以适应汽车行业的发展。
现有线缆连接器一般包括绝缘子、中心端子、外端子及线缆等，中心端子插入固定于绝缘子上，外端子套设于绝缘子上，绝缘子将中心端子和外端子绝缘隔断，外端子采用冲压圆环结构，产品外形尺寸公差较大，造成使用过程中出现与对接连接器无法正常配合，另外，冲压圆环合缝线处具有射频泄露缺陷。
所以，有必要设计一种新的线缆连接器以解决上述技术问题。
发明内容
本发明的目的在于提供了一种改善结构强度与高频数据传输品质的线缆连接器。
为实现前述目的，本发明采用如下技术方案：一种线缆连接器，其包括绝缘座体、中心端子、外端子、绝缘子及向后延伸出所述绝缘座体的线缆，所述中心端子插入固定于所述绝缘子中，所述中心端子包括位于前端的中心接触部及位于后端的中心连接部，所述外端子套设于所述绝缘子外侧，所述绝缘子绝缘隔断所述中心端子和所述外端子，所述外端子固定于所述绝缘座体内，且包括位于前端的外接触部及位于后端的外连接部，所述线缆包括导体、包裹所述导体的绝缘体、绝缘外皮及介于所述绝缘体和所述绝缘外皮之间的金属编织层，所述中心连接部与所述导体连接，所述外连接部与所述编织层连接，所述外端子设有无缝隙连接的中空筒状结构，上述绝缘子安置于该中空筒状内，且中空筒状外支撑于绝缘座体上。
进一步的改进，所述外端子包括前后套接在一起的前端子和后端子，所述前端子和所述后端子中至少一个为无缝隙连接成型而成。
进一步的改进，所述前端子和所述后端子通过激光或电阻焊接在一起。
进一步的改进，所述前端子包括从所述外接触部向后延伸的前套接部，所述后端子包括后套接部及从所述后套接部向后延伸的所述外连接部，所述前套接部和所述后套接部前后插接在一起，且外接触部设有开槽，以与对接连接器提供弹性接触。
进一步的改进，所述后套接部设有前通孔，所述外连接部设有后通孔，所述前通孔的内径大于所述后通孔的内径，所述前套接部插接于所述前通孔中。
进一步的改进，所述后套接部的外径大于所述外连接部的外径。
进一步的改进，还包括铆接于所述外连接部上的铆接件，所述编织层的前端被夹持固定于所述铆接件与所述外连接部之间。
进一步的改进，所述绝缘座体包括插接孔及从所述插接孔向后延伸的固定孔，所述中心接触部和所述外接触部位于所述插接孔，所述铆接件包括前后连接的前铆接部和后铆接部，所述前铆接部铆接于所述外连接部，所述后铆接部铆接在所述绝缘外皮外侧面，所述固定孔内壁设有向后抵靠所述后端子的凸块。
进一步的改进，还包括固定于所述绝缘座体左右两侧的一对二级卡扣件，所述绝缘座体包括顶壁、底壁与左右两侧壁，两所述侧壁分别设有固定口，所述二级卡扣件包括固定于对应的所述固定口的基部及从所述基部向内侧延伸的若干卡扣臂，所述卡扣臂卡接于所述外连接部上，并且向前抵靠于所述后套接部。
进一步的改进，所述顶壁及底壁设有凹口，对应的所述卡扣臂设有与对应的所述凹口卡接在一起的卡扣凸块，用于限制所述二级卡扣件在所述绝缘座体上发生松动、脱落。
本发明线缆连接器的外端子采用无缝隙成型工艺制成的中空筒状结构，提高外端子的外形精度和稳定性，并且增加外端子的结构强度，即增加中空筒状的内侧和外侧分别与绝缘子和绝缘座体支撑结合的平稳性，改善中间中心端子位置度，与对接连接器接触可靠，同时解决了冲压圆环结构合缝线处射频泄露缺陷，改善高频数据传输品质，相对现有技术，该无缝成型方式，可防止连接不良产生黑屏现象，尤其在自动驾驶中出现黑屏现象，增加安全隐患。
附图说明
图1为本发明线缆连接器的立体图。
图2A为本发明线缆连接器的前视图。
图2B为图2A沿A-A方向的剖视图。
图3A为本发明线缆连接器的侧视图。
图3B为图3A沿B-B方向的剖视图。
图4为本发明线缆连接器的立体分解图。
图5为本发明线缆连接器的第一外端子的立体图。
图6为本发明线缆连接器的第二外端子的立体图。
图7为本发明线缆连接器的二级卡扣件的立体图。
具体实施方式
请参阅图1至图7所示，本发明公开一种线缆连接器100，其包括绝缘座体10、中心端子20、外端子30、绝缘子40、铆接件50、线缆60、及固定于绝缘座体10左右两侧的一对二级卡扣件70。
绝缘座体10包括顶壁11、与顶壁11相当的底壁12、左右两侧壁13及形成在顶壁11、底壁12与该两侧壁13之间的若干插接孔14和若干固定孔15，插接孔14设于绝缘座体10前端，各固定孔15从对应的插接孔14向后延伸贯穿绝缘座体10。各侧壁13开设有固定口130，与固定孔15贯通。
中心端子20设置为管状结构，其包括位于前端的中心接触部21及位于后端的中心连接部22，中心接触部21设置为圆环形，前端设有供对接连接器的接触端子插入的插入口，中心连接部22与线缆60前端连接在一起。
外端子30包括套接在一起的前端子31和后端子32。在本实施方式中，前端子31和后端子32分别由抽引成型工艺制成，形成无缝隙连接的中空筒状结构，当然，该无缝隙的中控筒状也可通过其它方式形成，例如扩管孔或车床加工而成，只要形成无缝隙结构即可。前端子31包括位于前端 的外接触部311及从外接触部311向后延伸的前套接部312。外接触部311也设置为圆环形，环绕于绝缘子40外侧，并且部分地向前凸出于绝缘子40，即该绝缘子40安置于该中空筒状内，即增加中空筒状的内侧绝缘子40支撑结合的平稳性，改善中心端子的位置度，与对接连接器接触可靠。后端子32包括前后连接的后套接部322及从后套接部322向后延伸的外连接部323，后套接部322设有前通孔3220，外连接部323设有后通孔3230，后套接部322的外径大于外连接部323的外径，前通孔3220的内径大于后通孔3230的内径。前套接部312和后套接部322前后插接在一起，前套接部312插入固定于后套接部322的前通孔3220中，可向后抵靠于外连接部323前端，限制前端子31向后移动过度。该中空筒状外支撑于绝缘座体10上，进一步增加中空筒状外侧与绝缘座体10支撑的平稳性，改善中心端子的位置度，与对接连接器接触可靠。进一步地，前套接部312和后套接部322还通过激光或电阻焊接固定为一体，加强前端子31和后端子32的固定连接强度。固定孔15内壁设有凸块152，向后抵靠于前套接部312，用于阻止后端子32向前移动，外连接部323悬空在固定孔15中。在其他实施方式中，后套接部322向前插入固定于前套接部312中。
在本实施方式中，通过上述外端子30的前端子31及后端子32采用无缝隙成型工艺制成的中空筒状结构，提高前端子与后端子的外形精度和稳定性，并且增加前、后端子的结构强度，即增加中空筒状的内侧和外侧分别与绝缘子40和绝缘座体10支撑结合的平稳性，改善中心端子位置度，与对接连接器接触可靠，同时解决了冲压圆环结构合缝线处射频泄露缺陷，改善高频数据传输品质，相对现有技术，该无缝成型方式，可防止连接不良产生黑屏现象，尤其在自动驾驶中出现黑屏现象，增加安全隐患。当然，在其它实施方式中，只需要前端子31及后端子32之一采用无缝隙成型工艺制成的中空筒状结构，也可实现本发明，因绝缘子40或绝缘座 体10采用注塑成型，其内壁比较平整，所以绝缘子40外侧与中空筒状配合外侧或绝缘座体10内侧与中空筒状配合的外侧配合均保持稳定的配合，再者，前端子31形成的无缝结构，实现前端子31提供与对接连接器稳定的接触；后端子32形成无缝结构，可改善中心端子20的对接位置度。在本实施方式中，通过前、后端子分别采用中空筒状结构，并通过焊接固持一起，可以同时解决上述对接稳定接触及对接位置度的两个技术问题。
绝缘子40设有前后贯通绝缘子30的内通孔41，中心端子30完全插设于内通孔41中，绝缘子30插入固定于外端子30内，用于绝缘隔离中心端子20和外端子30。
铆接件50包括前后连接的前铆接部51和后铆接部52；前铆接部51位于绝缘座体10的固定孔15中，并且铆接于外连接部323外侧面；后铆接部52铆接在线缆60的绝缘外皮64外侧面。
线缆60包括从内向外的导体61、绝缘体62、金属编织层63及绝缘外片64，绝缘体62包裹导体61，编织层63介于绝缘体62与绝缘外皮64之间。导体61的前端向前延伸超过绝缘体62，与中心端子20的中心连接部22连接在一起，绝缘体62的前端伸入后端子32的后通孔3230中，编织层63的前端被夹持固定在外端子30的外连接部323与铆接件50的前铆接部51之间，编织层63环绕外连接部323，如此实现编织层63与外端子30电性连接在一起。
每一二级卡扣件70在前后方向上呈E形，其包括基部71及从基部71向内侧延伸的若干卡扣臂72，位于上侧和下侧的卡扣臂72末端设有卡扣凸块73，各基部71固定于绝缘座体10对应的固定口130中，卡扣臂72卡接于后端子32的外连接部323上，并且向前抵靠于后套接部322，用于阻止后端子32后退。绝缘座体10的顶壁11和底壁12分别设有凹口 110、120于对应卡扣臂72的卡扣凸块73卡接在一起，用于阻止二级卡扣件70在绝缘座体10上发生松动、脱落。
本发明线缆连接器100的外端子30采用抽引成型工艺，提高外端子的外形精度和稳定性，并且增加外端子30的结构强度，解决了冲压圆环结构合缝线处射频泄露缺陷，改善高频数据传输品质。
尽管为示例目的，已经公开了本发明的优选实施方式，但是本领域的普通技术人员将意识到，在不脱离由所附的权利要求书公开的本发明的范围和精神的情况下，各种改进、增加以及取代是可能的。

Claims (10)

  1. 一种线缆连接器，其包括绝缘座体、中心端子、外端子、绝缘子及向后延伸出所述绝缘座体的线缆，所述中心端子插入固定于所述绝缘子中，所述中心端子包括位于前端的中心接触部及位于后端的中心连接部，所述外端子套设于所述绝缘子外侧，所述绝缘子绝缘隔断所述中心端子和所述外端子，所述外端子固定于所述绝缘座体内，且包括位于前端的外接触部及位于后端的外连接部，所述线缆包括导体、包裹所述导体的绝缘体、绝缘外皮及介于所述绝缘体和所述绝缘外皮之间的金属编织层，所述中心连接部与所述导体连接，所述外连接部与所述编织层连接，其特征在于：所述外端子设有无缝隙连接的中空筒状结构，上述绝缘子安置于该中空筒状内，且中空筒状外支撑于绝缘座体上。
  2. 根据权利要求1所述的线缆连接器，其特征在于：所述外端子包括前后套接在一起的前端子和后端子，所述前端子和所述后端子中至少一个为无缝隙连接成型而成。
  3. 根据权利要求2所述的线缆连接器，其特征在于：所述前端子和所述后端子通过激光或电阻焊接在一起。
  4. 根据权利要求2所述的线缆连接器，其特征在于：所述前端子包括从所述外接触部向后延伸的前套接部，所述后端子包括后套接部及从所述后套接部向后延伸的所述外连接部，所述前套接部和所述后套接部前后插接在一起，且外接触部设有开槽，以与对接连接器提供弹性接触。
  5. 根据权利要求4所述的线缆连接器，其特征在于：所述后套接部设有前通孔，所述外连接部设有后通孔，所述前通孔的内径大于所述后通孔的内径，所述前套接部插接于所述前通孔中。
  6. 根据权利要求4所述的线缆连接器，其特征在于：所述后套接部的外径大于所述外连接部的外径。
  7. 根据权利要求4所述的线缆连接器，其特征在于：还包括铆接于所述外连接部上的铆接件，所述编织层的前端被夹持固定于所述铆接件与所述外连接部之间。
  8. 根据权利要求7所述的线缆连接器，其特征在于：所述绝缘座体包括插接孔及从所述插接孔向后延伸的固定孔，所述中心接触部和所述外接触部位于所述插接孔，所述铆接件包括前后连接的前铆接部和后铆接部，所述前铆接部铆接于所述外连接部，所述后铆接部铆接在所述绝缘外皮外侧面，所述固定孔内壁设有向后抵靠所述后端子的凸块。
  9. 根据权利要求5所述的线缆连接器，其特征在于：还包括固定于所述绝缘座体左右两侧的一对二级卡扣件，所述绝缘座体包括顶壁、底壁与左右两侧壁，两所述侧壁分别设有固定口，所述二级卡扣件包括固定于对应的所述固定口的基部及从所述基部向内侧延伸的若干卡扣臂，所述卡扣臂卡接于所述外连接部上，并且向前抵靠于所述后套接部。
  10. 根据权利要求9所述的线缆连接器，其特征在于：所述顶壁及底壁设有凹口，对应的所述卡扣臂设有与对应的所述凹口卡接在一起的卡扣凸块，用于限制所述二级卡扣件在所述绝缘座体上发生松动、脱落。
PCT/CN2023/129193 2022-12-07 2023-11-02 线缆连接器 WO2024120085A1 (zh)

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