WO2019019000A1 - 射频同轴连接器 - Google Patents

射频同轴连接器 Download PDF

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Publication number
WO2019019000A1
WO2019019000A1 PCT/CN2017/094243 CN2017094243W WO2019019000A1 WO 2019019000 A1 WO2019019000 A1 WO 2019019000A1 CN 2017094243 W CN2017094243 W CN 2017094243W WO 2019019000 A1 WO2019019000 A1 WO 2019019000A1
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WO
WIPO (PCT)
Prior art keywords
coaxial connector
core wire
radio frequency
flat plate
conductive terminal
Prior art date
Application number
PCT/CN2017/094243
Other languages
English (en)
French (fr)
Inventor
阮军
闻豪
宛张灵
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
Publication date
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
Priority to PCT/CN2017/094243 priority Critical patent/WO2019019000A1/zh
Priority to CN201721291455.9U priority patent/CN207602933U/zh
Priority to CN201710929562.8A priority patent/CN107681392B/zh
Publication of WO2019019000A1 publication Critical patent/WO2019019000A1/zh

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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
    • 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
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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

Definitions

  • the invention relates to a radio frequency coaxial connector, in particular to a radio frequency coaxial connector with simple structure.
  • the RF connector is widely used in notebook computers for wireless data transmission.
  • the RF connector is connected to one end of the cable, the other end is connected to the antenna, and the RF connector is plugged into the coaxial connector on the circuit board.
  • welding method the cable center conductor and the terminal are welded and integrated to realize the purpose of electrical connection. Although the welded structure can improve the connection reliability, the production efficiency is low, the cost is high, the defect rate is high, and the personnel skill and equipment are required to be high.
  • a crimping method in which a press plate is formed on the opposite side of the terminal from the center conductor loading end of the cable to form an angle of less than 90 degrees with the terminal assembly plane as disclosed in U.S. Patent No. 6,790,082.
  • the RF coaxial connector when assembled, pushes the terminal clamp when the metal cover is pressed, and after the cover is flattened, the terminal clamp clamps the cable center conductor between the terminal mounting planes, thereby achieving connection with the wire harness.
  • a cable connector for connecting a cable having a core wire comprising: an insulating body, a terminal and a shielding shell,
  • the insulative housing has an abutting portion on the side of the mounting portion and the protruding mounting portion, and a mating cavity is recessed in the mating portion, and the mounting portion is provided with a receiving slot communicating with the mating cavity;
  • the terminal is disposed in the receiving slot and can be connected a connecting portion of the core wire and a contact portion protruding into the mating cavity;
  • the shielding case is provided with a cover a shielding portion outside the mounting portion of the insulative housing;
  • the insulative housing has a resilient arm protruding into the receiving slot, the resilient arm is located outside the connecting portion of the terminal, and the shielding portion has a connecting portion for pushing the elastic arm and pressing the terminal A cover that is in contact with the core wire.
  • the wire harness in the process of being clamped, the wire harness is prone to loosening, that is, the clamping is not stable enough, and when it is serious, it has a certain influence on the transmission of high-frequency signals; in addition, the terminal is extended by a pair of elastic arms, The upper side is connected to the core wire, and the lower side is in contact with the terminal of the mating connector.
  • connection portion of the terminal is opened to both sides, thereby increasing the gap between the upper side and the core wire, and affecting The stability of the core wire connection; furthermore, the prior art is to punch a pair of cover plates of the pressing elastic arms on the shielding portion, thereby not only destroying the outer casing structure of the shielding shell but also affecting the interference of the signal transmission of the connector.
  • the technical problem to be solved by the present invention is to provide a radio frequency coaxial connector with simple structure and reliable connection.
  • the technical solution of the present invention is:
  • An RF coaxial connector for connecting a cable having a core wire
  • the RF coaxial connector comprising: an insulating body and a conductive terminal, the insulating body having a mounting portion and a self-mounting portion to the other side a protruding portion of the protruding portion, wherein the abutting portion is recessed with a receiving cavity, the mounting portion is provided with a receiving slot penetrating the mating cavity, and the conductive terminal is disposed in the receiving slot for connecting the core wire a connecting portion and a contact portion protruding into the mating cavity, the conductive terminal includes a main body portion, the connecting portion is bent upwardly from the main body portion, and the contact portion is bent downward from the main body portion, the insulating body Further included is a cover plate rotatably mounted to the mounting portion, the cover plate having a flat plate portion and at least a rib protruding from the flat plate portion, the rib pressing the side of the connecting portion of the conductive terminal in contact with the core wire
  • the present invention has at least the following beneficial effects: the insulating body is provided with a rotatable type
  • the cover plate is mounted on the cover of the mounting portion, and the rib of the cover plate is in contact with the core wire at the side of the connecting portion for pressing the conductive terminal, and the structure is simple, the connection is reliable and stable, the assembly process is less, and the cost is lower.
  • the connecting portion includes two elastic arms disposed on opposite sides of the main body portion, and the two elastic arms form a receiving groove for receiving the core wire.
  • the cover plate includes a flat plate portion and two convex ribs protruding from the flat plate portion, and the two convex ribs respectively press the side of the corresponding elastic arm to be connected with the core wire.
  • each of the elastic arms includes a support portion near the front and a pressure receiving portion connected to the rear of the support portion, the support portion abuts against the inner side wall of the insulating body in the receiving groove, the pressure receiving portion and the inner side of the insulating body A gap for accommodating the convex portion is formed between the walls, the accommodating groove includes a front groove portion formed by the two support portions and a rear groove portion formed by the two pressure receiving portions, the width of the rear groove portion being smaller than the front groove Part width.
  • the cover plate further includes a pressing portion between the two ribs, the pressing portion having a height smaller than a height of the rib.
  • the flat plate portion includes a first flat plate portion connecting the mounting portions and a second flat plate portion extending outward from the first flat plate portion, the second flat plate portion having a width smaller than a width of the first flat plate portion.
  • each of the ribs is disposed at an oblique angle, and each of the ribs includes a first protrusion on the first flat portion and a second protrusion on the second flat portion, the first protrusion The thickness of the second protruding portion is smaller than the thickness of the second protruding portion, and the pressing portion is located between the second protruding portions.
  • the thickness of the first flat portion is greater than the thickness of the second flat portion.
  • the radio frequency coaxial connector further includes a metal casing covering the insulative housing, and the metal casing has a cover portion that drives the cover to rotate.
  • the mounting portion of the insulative housing has a protrusion protruding into the receiving groove, the two ends of the main body portion of the conductive terminal are supported on the protrusion, and the flat portion clamps the main body portion to the protrusion on.
  • FIG. 1 is a perspective view of a radio frequency coaxial connector of the present invention.
  • FIG. 2 is another perspective view of the RF coaxial connector of FIG. 1.
  • Figure 3 is a perspective view of the cover and metal housing of the RF coaxial connector shown in Figure 1 not fully assembled.
  • FIG. 4 is an exploded view of the RF coaxial connector of FIG. 1.
  • Figure 5 is a perspective view of the insulative housing shown in Figure 4.
  • Figure 6 is a perspective view of the conductive terminal shown in Figure 4.
  • Figure 7 is a transverse cross-sectional view of the RF coaxial connector of Figure 1.
  • Figure 8 is a longitudinal cross-sectional view of the RF coaxial connector of Figure 1.
  • a radio frequency coaxial connector 100 is used to connect a cable 51 having a core wire 50.
  • the RF coaxial connector 100 includes an insulative housing 1 , a conductive terminal 2 received in the insulative housing 1 , and a metal housing 3 covering the outside of the insulative housing 1 .
  • the insulative housing 1 has a mounting portion 11, an abutting portion 12 projecting from the mounting portion 11 to the other side, and a cover plate 13 rotatably coupled to the mounting portion 11.
  • a mating cavity 121 is recessed in the mating portion 12, and the mounting portion 11 is provided with a receiving groove 111 penetrating the mating cavity 121.
  • the abutting portion 12 has a cylindrical shape
  • the mounting portion 11 has a columnar portion 14 that is provided corresponding to the cylindrical abutting portion 12 and a guiding portion 15 that extends rearward from the columnar portion 14.
  • the receiving groove 111 includes a first receiving groove 16 in the columnar portion 14 and a second receiving groove 17 in the columnar portion.
  • the second receiving groove 17 extends through the columnar portion and penetrates forwardly from the first receiving groove 16 .
  • the two sides of the columnar portion 14 are provided with two first positioning protrusions 141 protruding outwardly, and two sides of the guiding portion 15 are provided with two second positioning protrusions 151 protruding outward.
  • the cover plate 13 is disposed at the front end of the columnar portion 14 and is located at the first of the two Positioning between the bumps 141.
  • the guiding portion 15 is provided with a positioning block 152 protruding into the first receiving groove 16 to position the conductive terminal 2 to prevent the conductive terminal from vibrating back and forth.
  • the conductive terminal 2 is provided with a connecting portion 21 received in the receiving groove 111 for connecting the core wire 50 and a contact portion 22 protruding into the mating cavity 121.
  • the conductive terminal 2 includes a main body portion 23 that is bent upward from the main body portion 23, and the contact portion 22 is bent downward from the main body portion 23.
  • the connecting portion 21 includes two elastic arms 211 disposed on opposite sides of the main body portion 23, and the two elastic arms 211 form a receiving groove 212 for receiving the core wire 50.
  • Each of the elastic arms 211 includes a support portion 213 that is adjacent to the front and a pressure receiving portion 214 that is connected to the rear of the support portion 213.
  • the support portion 213 abuts against the inner side wall 112 of the insulative housing 1 in the receiving slot 111.
  • a gap 113 for accommodating the protrusion is formed between the 214 and the inner side wall 112 of the insulative housing 1 to press the side of the elastic arm to maintain a firm contact with the core.
  • the line groove 212 includes a front groove portion 215 formed by two support portions 213 and a rear groove portion 216 formed by the two pressure receiving portions 214.
  • the width of the rear groove portion 216 is smaller than the width of the front groove portion 215.
  • the front groove portion 216 can receive the core wire 50 with the insulation, and the rear groove portion 216 can receive the core wire 50 so that the conductive terminal and the core wire are electrically connected.
  • the main body portion 23 of the conductive terminal 2 is provided with a through groove 231 penetrating in the vertical direction to facilitate insertion of the core wire into the through groove 231 for pre-positioning.
  • the side surface of the connecting portion 21 of the cover plate 13 for pressing the conductive terminal 2 is in contact with the core wire 50.
  • the cover plate 13 includes a flat plate portion 131 and two ribs 132 protruding from the flat plate portion 131, and the two ribs 132 respectively press the corresponding elastic arms 211.
  • the cover plate 13 further includes a pressing portion 133 between the two ribs 132. The height of the pressing portion 133 is smaller than the height of the rib 132 to better crimp the core wire and provide better stability. Sex.
  • the flat plate portion 131 includes a first flat plate portion 134 that connects the mounting portion 11 and a second flat plate portion 135 that extends outward from the first flat plate portion 134, and the width of the second flat plate portion 135 is smaller than the width of the first flat plate portion 134.
  • Each of the ribs 132 is disposed at an oblique angle to facilitate pressing of the cover plate 13 into the mounting portion.
  • Each of the ribs 132 includes a first protruding portion 136 on the first flat plate portion 134 and is located on the second flat plate portion 135.
  • the second protruding portion 137 has a thickness smaller than the thickness of the second protruding portion 137, and the pressing portion 133 is located on the second flat plate 135 and located at the second protruding portion 137 between. Since the thickness of the core wire is smaller than the thickness of the core wire with the insulating sheath, the thickness of the first flat plate portion 134 is larger than the thickness of the second flat plate portion 135, and it is convenient to balance the core wire of the extruded cable.
  • the mounting portion 11 of the insulative housing 1 has a protrusion 101 protruding into the receiving slot 111. The two ends of the main body portion 23 of the conductive terminal 2 are supported on the protrusion, and the flat portion 131 clips the main body portion. Hold on the protrusion 101.
  • the metal casing 3 includes a column portion 31, an extending portion 32 extending rearward from the column portion 31 side, and a lid portion 33 bendably connected to the other side of the column portion 31.
  • a second locking groove 321 is defined in the extending portion 32 , and the second positioning protrusion 151 is inserted into the second locking groove 321 .
  • the first latching projections 141 are inserted into the first latching slots 311 to position the insulative housing 1 in the metal housing 3 .
  • a accommodating groove 310 is formed in the middle of the column portion 31, and the accommodating groove 310 accommodates the abutting portion 12 and the columnar portion 14 therein.
  • the lid portion 33 includes a main body portion 331 , a first bent portion 332 that is bent from the main body portion 311 , and a second bent portion 333 that is bent from the main body portion 311 .
  • the first bend 332 is enclosed outside the extension 32 and the second bend 333 is enclosed outside the cable 51.
  • the conductive terminal 2 is designed with a pair of laterally symmetric elastic arms 211 on the side of the core 50, and the pressure receiving portion 214 of the elastic arm 211 has a gap 113 with the inner sidewall 112 of the insulative housing 1.
  • the spacing between the resilient arms 211 allows the core wire 50 to pass freely.
  • the head of the insulating cover 13 of the insulative housing 1 is designed with a pair of beveled ribs 132 for facilitating insertion of the ribs 132 into the gap 113.
  • the core wire 50 is inserted from the wire harness introduction end of the connector, and then the cover portion 33 of the metal casing 3 is pressed down, and the cover body portion 33 pushes the insulation body 1
  • the rib 132 of the cover plate 13 is inserted into the gap 113 between the elastic arm 211 of the conductive terminal 2 and the inner side wall 112 of the insulative housing 1. Since the width of the second protruding portion 137 of the rib 132 is larger than the gap 113 between the elastic arm 211 and the inner side wall 112, the elastic arm 211 is pushed to be indented to contact the core wire 50.
  • the core wire 50 is further clamped to achieve the purpose of connecting and clamping the core wire 50, and a reliable connection of the core wire 50 to the conductive terminal 2 is achieved.
  • the above structure can realize the same wire harness assembly method as the crimping method, and has good process performance; secondly, the free end of the conductive terminal 2 is opposite to the loosening direction of the core wire 50, when the core wire 50 is When clamping, the core wire 50 can be effectively prevented from being loosened (the core wire 50 will be pulled more tightly), and the connection reliability is good; and secondly, the conductive terminal 2 and the inner side are plugged by the rib 132 on the cover plate 13
  • the manner of the gap 113 of the wall 112 does not cause collateral damage to the core wire 5 in the case of providing a large clamping force; in addition, since the core wire 5 is relatively restrained in the left and right directions and the upper and lower directions, it is not easy to generate.
  • the divergence phenomenon is advantageous for the stability of the high-frequency transmission; finally, since the clamping action on the core wire 5 is realized by the interaction between the rib 132 and the conductive terminal 2, the processing precision of the conductive terminal 2 itself is relatively low.
  • the parts are easy to produce, have the advantages of simple structure, reliable connection and good shielding performance.

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Abstract

一种射频同轴连接器（100），其用以连接一具有芯线（50）的线缆（51），该射频同轴连接器（100）包括：绝缘本体（1）和导电端子（2），该绝缘本体（1）具有安装部（11）和自安装部（11）向另外一侧凸伸出的对接部（12），该对接部（12）内凹设有对接腔（121），该安装部（11）设有与对接腔（121）相贯通的收容槽（111），该导电端子（2）设有收容于收容槽（111）内用以连接芯线（50）的连接部（21）以及凸伸入对接腔(121)内的接触部(22)，其中该绝缘本体（1）还包括可旋转式地连接于安装部（11）的盖板（13），该盖板（13）用以挤压导电端子（2）的连接部（21）与芯线（50）接触。该连接器结构简单，结合稳固，组装工序更少，成本更低。

Description

射频同轴连接器 技术领域
本发明涉及一种射频同轴连接器，尤其涉及一种结构简单的射频同轴连接器。
背景技术
射频连接器在笔记本电脑中用被广泛应用，用于无线数据的传输，该射频连接器连接线缆的一端，另一端连接天线，且该射频连接器插接于电路板上的同轴连接器，对于该射频同轴连接器与线缆的连接方式主要有以下方法：
1.焊接方式，将线缆中心导体与端子焊接连接成一体，实现电连接目的。虽然焊接结构可提高连接可靠性，但生产效率低，成本高，不良率较高，对人员技能及设备要求高。
2.压接方式，藉由端子与线缆的中心导体装入端相反的一侧设计有一压板，与端子装配平面呈一小于90度的夹角，如美国专利第US 6,790,082号揭露的一种射频同轴连接器，当装配时，金属盖体下压时推动端子压板，在盖板压平后，使端子压板将线缆中心导体夹在端子安装平面之间，从而实现与线束的连接。虽然生产工艺性良好，易实现自动化，但当线缆中心导体在被夹紧的过程中，易出现散开，较严重时，对高频信号的传输有一定影响。
另请参考于2014年4月2日公告中国专利第CN203521658U号，其公开了一种线缆连接器，可用于连接一具有芯线的线缆，包括：绝缘本体、端子及遮蔽壳体，所述绝缘本体具有安装部及凸伸安装部一侧的对接部，于对接部凹设有对接腔，安装部设有与对接腔相连通的收容槽；上述端子设有收容于收容槽内可连接芯线的连接部及凸伸入对接腔内的接触部；所述遮蔽壳体设有遮覆于 绝缘本体的安装部外的遮蔽部；所述绝缘本体具有凸伸入收容槽内的弹性臂，该弹性臂位于端子的连接部的外侧，遮蔽部具有顶推弹性臂并挤压端子的连接部与芯线接触的盖板。这种设计的缺点：线束在被夹紧的过程中，易出现散开，即夹持不够稳定，且严重时，对高频信号的传输有一定影响；另外，端子是延伸一对弹性臂，上侧与芯线连接，下侧与对接连接器的端子接触，若插接对接连接器时，端子的连接部会被朝两侧撑开，从而增加上侧与芯线连接的间隙，并影响与芯线连接的稳定性；再者，该现有技术是通过在遮蔽部上冲压一对挤压弹性臂的盖板，不仅破坏了遮蔽壳体的外壳结构，而且影响连接器信号传输的干扰。
鉴于现有技术的上述缺陷，实有必要设计一种改进的射频同轴连接器。
发明内容
本发明所要解决的技术问题在于：提供一种结构简单、连接可靠的射频同轴连接器，。
为解决上述技术问题，本发明的技术方案是：
一种射频同轴连接器，其用以连接一具有芯线的线缆，所述射频同轴连接器包括：绝缘本体和导电端子，所述绝缘本体具有安装部和自安装部向另外一侧凸伸出的对接部，所述对接部内凹设有对接腔，所述安装部设有与对接腔相贯通的收容槽，所述导电端子设有收容于收容槽内用以连接芯线的的连接部以及凸伸入对接腔内的接触部，所述导电端子包括主体部，所述连接部自主体部向上弯折形成，所述接触部自主体部向下弯折形成，所述绝缘本体还包括可旋转式地安装于安装部的盖板，该盖板具有平板部和自平板部凸出的至少凸肋，该凸肋抵压导电端子的连接部侧部与芯线接触。
与现有技术相比，本发明至少具有如下有益效果：绝缘本体设有可旋转式 地安装于安装部的盖板，所述盖板的凸肋以挤压导电端子的连接部侧面与芯线接触，其结构简单，连接可靠稳定，组装工序更少，成本更低。
本发明的进一步改进如下：
进一步地，所述连接部包括设置在主体部相反两侧的两弹性臂，所述两弹性臂形成一收容芯线的容线槽。
进一步地，所述盖板包括平板部和自平板部凸出的两个凸肋，所述两个凸肋分别抵压相应弹性臂侧面与芯线连接。
进一步地，每一弹性臂包括靠近前方的支撑部和连接于支撑部后方的受压部，所述支撑部抵靠绝缘本体于收容槽内的内侧壁，所述受压部与绝缘本体的内侧壁之间形成有收容凸部的间隙，所述容线槽包括由两个支撑部形成的前槽部和由两个受压部形成的后槽部，所述后槽部的宽度小于前槽部宽度。
进一步地，所述盖板还包括位于两个凸肋之间的压线部，所述压线部的高度小于凸肋的高度。
进一步地，所述平板部包括连接安装部的第一平板部和自第一平板部向外延伸形成的第二平板部，所述第二平板部的宽度小于第一平板部的宽度。
进一步地，每一凸肋呈斜角设置，每一凸肋包括位于第一平板部上的第一凸出部和位于第二平板部上的第二凸出部，所述第一凸出部的厚度小于第二凸出部的厚度，所述压线部位于第二平板上且位于连个第二凸出部之间。
进一步地，所述第一平板部的厚度大于所述第二平板部的厚度。
进一步地，所述射频同轴连接器还包括包覆绝缘本体的金属壳体，所述金属壳体具有带动盖板转动的盖体部。
进一步地，所述绝缘本体的安装部具有凸伸入收容槽内的凸起，所述导电端子的主体部两端支撑于该凸起上，且所述平板部将主体部夹持在凸起上。
附图说明
图1是本发明射频同轴连接器的立体图。
图2是如图1所示射频同轴连接器的另一视角立体图。
图3是如图1所示射频同轴连接器之盖板和金属壳体未完全组装的立体图他。
图4是如图1所示射频同轴连接器的分解图。
图5是如图4所示绝缘本体的立体图。
图6是如图4所示导电端子的立体图。
图7是如图1所示射频同轴连接器的横向剖视图。
图8是如图1所示射频同轴连接器的纵向剖视图。
具体实施方式
下面结合附图和实施例对本发明进一步地说明。
如图1至图8所示，一种射频同轴连接器100，其用以连接一具有芯线50的线缆51。射频同轴连接器100包括：绝缘本体1、收容于绝缘本体1内的导电端子2以及覆盖于绝缘本体1外的金属壳体3。
绝缘本体1具有安装部11、自安装部11向另外一侧凸伸出的对接部12以及可旋转式地连接于安装部11的盖板13。所述对接部12内凹设有对接腔121，所述安装部11设有与对接腔121相贯通的收容槽111。对接部12呈圆柱状，安装部11具有绕圆柱状对接部12对应设置的柱状部14和自柱状部14向后延伸形成的导引部15。收容槽111包括位于柱状部14的第一收容槽16和位于柱状部的第二收容槽17，第二收容槽17向后贯穿柱状部，向前与第一收容槽16贯通。柱状部14的两侧设有向外凸出的两第一定位凸块141，导引部15的两侧设有向外凸出的两第二定位凸块151。盖板13设置于柱状部14的前端，且位于两第一 定位凸块141之间。导引部15设有凸伸入第一收容槽16内的定位块152，以定位导电端子2，防止导电端子前后颤动。
所述导电端子2设有收容于收容槽111内用以连接芯线50的连接部21以及凸伸入对接腔121内的接触部22。导电端子2包括主体部23，所述连接部21自主体部23向上弯折形成，所述接触部22自主体部23向下弯折形成。所述连接部21包括设置在主体部23相反两侧的两弹性臂211，所述两弹性臂211形成一收容芯线50的容线槽212。每一弹性臂211包括靠近前方的支撑部213和连接于支撑部213后方的受压部214，所述支撑部213抵靠绝缘本体1于收容槽111内的内侧壁112，所述受压部214与绝缘本体1的内侧壁112之间形成有收容凸起的间隙113，以挤压弹性臂的侧面与芯线保持稳固的接触。所述容线槽212包括由两个支撑部213形成的前槽部215和由两个受压部214形成的后槽部216，所述后槽部216的宽度小于前槽部215的宽度，以便能较好及稳固的夹持线缆的芯线50，即前槽部216可收容带绝缘皮的芯线50，后槽部216收容芯线50，以便导电端子与芯线电性导通。导电端子2的主体部23设有沿竖直方向贯穿的通槽231，以方便芯线***该通槽231内做预先定位。
所述盖板13用以挤压导电端子2的连接部21侧面与芯线50接触。所述盖板13包括平板部131和自平板部131凸出的两个凸肋132，所述两个凸肋132分别抵压相应弹性臂211。所述盖板13还包括位于两个凸肋132之间的压线部133，所述压线部133的高度小于凸肋132的高度，以便更好的压接芯线，提供较好的稳定性。平板部131包括连接安装部11的第一平板部134和自第一平板部134向外延伸形成的第二平板部135，所述第二平板部135的宽度小于第一平板部134的宽度。每一凸肋132呈斜角设置，方便盖板13压入安装部内，每一凸肋132包括位于第一平板部134上的第一凸出部136和位于第二平板部135上 的第二凸出部137，所述第一凸出部136的厚度小于第二凸出部137的厚度，所述压线部133位于第二平板135上且位于连个第二凸出部137之间。因芯线的厚度小于带绝缘皮的芯线厚度，所以所述第一平板部134的厚度大于所述第二平板部135的厚度，方便平衡挤压线缆的芯线。所述绝缘本体1的安装部11具有凸伸入收容槽111内的凸起101，所述导电端子2的主体部23两端支撑于该凸起上，且所述平板部131将主体部夹持在凸起101上。
金属壳体3包括柱体部31、自柱体部31一侧向后延伸出的延伸部32和可弯折性地连接在柱体部31另一侧的盖体部33。延伸部32上设有第二卡扣槽321，所述第二定位凸块151***安装至第二卡扣槽321内。柱体部31上设有第一卡扣槽311，所述第一定位凸块141***安装至第一卡扣槽311内，以将绝缘本体1定位在金属壳体3内。柱体部31的中间围设有容置槽310，所述容置槽310将对接部12和柱状部14收容在其内。盖体部33包括主体部331、自主体部311弯折形成的第一折弯部332及自主体部311弯折形成的第二折弯部333。第一折弯332包围在延伸部32外，第二折弯部333包围在线缆51外。
本发明的射频同轴连接器100，导电端子2在芯线50引入一侧设计一对侧向对称的弹性臂211，弹性臂211的受压部214与绝缘本体1的内侧壁112有一间隙113，弹性臂211之间的间距可以让芯线50自由通过，绝缘本体1的绝缘盖板13头部设计有一对带斜角的凸肋132，方便凸肋132***间隙113内。
装配过程及原理：射频同轴连接器100装配好后，将芯线50从连接器的线束引入端***，之后将金属壳体3的盖体部33压下，盖体部33推动绝缘本体1的盖板13下压，到位后，盖板13的凸肋132塞入导电端子2的弹性臂211与绝缘本体1之内侧壁112的间隙113。由于凸肋132的第二凸出部137宽度大于弹性臂211与内侧壁112的间隙113，将推动弹性臂211内缩而与芯线50接触，进 而进一步夹紧芯线50，从而达到连接并夹紧芯线50之目的，实现芯线50与导电端子2的可靠连接。
与现有技术相比，以上结构可以实现与压接式方法相同的线束装配方式，具有良好的工艺性能；其次，导电端子2自由端与芯线50的松脱方向相反，当芯线50被夹紧时，可有效防止芯线50的松脱(芯线50会越拉越紧)，具有良好的连接可靠性；再其次，由于采用盖板13上凸肋132塞紧导电端子2与内侧壁112的间隙113的方式，在提供较大的夹持力情况下，对芯线5不会产生附带损伤；另外，由于芯线5在左右及上下4个方向均被有较约束，不易产生发散现象，对高频传输的稳定有利；最后，由于对芯线5的夹持作用是依靠凸肋132与导电端子2之间的相互作用实现，对导电端子2本身的加工精度要求相对低，零件易于生产，并具有结构简单、连接可靠的功效，且具有较好的屏蔽性能。
本发明不局限于上述具体的实施方式，本领域的普通技术人员从上述构思出发，不经过创造性的劳动，所作出的种种变换，均落在本发明的保护范围之内。

Claims (10)

  1. 一种射频同轴连接器，其用以连接一具有芯线的线缆，所述射频同轴连接器包括：绝缘本体和导电端子，所述绝缘本体具有安装部和自安装部向另外一侧凸伸出的对接部，所述对接部内凹设有对接腔，所述安装部设有与对接腔相贯通的收容槽，所述导电端子设有收容于收容槽内用以连接芯线的连接部以及凸伸入对接腔内的接触部，其特征在于：所述导电端子包括主体部，所述连接部自主体部向上弯折形成，所述接触部自主体部向下弯折形成，所述绝缘本体还包括可旋转式地安装于安装部的盖板，该盖板具有平板部和自平板部凸出的至少凸肋，该凸肋抵压导电端子的连接部侧面与芯线接触。
  2. 如权利要求1所述的射频同轴连接器，其特征在于：所述连接部包括设置在主体部相反两侧的两弹性臂，所述两弹性臂形成一收容芯线的容线槽。
  3. 如权利要求2所述的射频同轴连接器，其特征在于：所述凸肋呈一对设置，所述两个凸肋位于盖板的两侧以分别抵压相应弹性臂侧面与芯线连接。
  4. 如权利要求2所述的射频同轴连接器，其特征在于：每一弹性臂包括靠近前方的支撑部和连接于支撑部后方的受压部，所述支撑部抵靠绝缘本体于收容槽内的内侧壁，所述受压部与绝缘本体的内侧壁之间形成有收容凸部的间隙，所述容线槽包括由两个支撑部形成的前槽部和由两个受压部形成的后槽部，所述后槽部的宽度小于前槽部宽度。
  5. 如权利要求3所述的射频同轴连接器，其特征在于：所述盖板还包括位于两个凸肋之间的压线部，所述压线部的高度小于凸肋的高度。
  6. 如权利要求3所述的射频同轴连接器，其特征在于：所述平板部包括连接安装部的第一平板部和自第一平板部向外延伸形成的第二平板部，所述第二平板部的宽度小于第一平板部的宽度。
  7. 如权利要求6所述的射频同轴连接器，其特征在于：每一凸肋呈斜角设 置，每一凸肋包括位于第一平板部上的第一凸出部和位于第二平板部上的第二凸出部，所述第一凸出部的厚度小于第二凸出部的厚度，所述压线部位于第二平板上且位于连个第二凸出部之间。
  8. 如权利要求7所述的射频同轴连接器，其特征在于：所述第一平板部的厚度大于所述第二平板部的厚度。
  9. 如权利要求1所述的射频同轴连接器，其特征在于：所述射频同轴连接器还包括包覆绝缘本体的金属壳体，所述金属壳体具有带动盖板转动的盖体部。
  10. 如权利要求1所述的射频同轴连接器，其特征在于：所述绝缘本体的安装部具有凸伸入收容槽内的凸起，所述导电端子的主体部两端支撑于该凸起上，且所述平板部将主体部夹持在凸起上。
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