WO2019062088A1 - 射频同轴电缆连接器快速安装机构 - Google Patents

射频同轴电缆连接器快速安装机构 Download PDF

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Publication number
WO2019062088A1
WO2019062088A1 PCT/CN2018/083914 CN2018083914W WO2019062088A1 WO 2019062088 A1 WO2019062088 A1 WO 2019062088A1 CN 2018083914 W CN2018083914 W CN 2018083914W WO 2019062088 A1 WO2019062088 A1 WO 2019062088A1
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WO
WIPO (PCT)
Prior art keywords
cable
ring
insulator
cable clamp
end surface
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/083914
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English (en)
French (fr)
Inventor
刘永坤
史科
黄崇辉
董文彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Hengxin Technology Co Ltd
Original Assignee
Jiangsu Hengxin Technology Co Ltd
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 Jiangsu Hengxin Technology Co Ltd filed Critical Jiangsu Hengxin Technology Co Ltd
Priority to US16/096,039 priority Critical patent/US10958022B2/en
Priority to AU2018205181A priority patent/AU2018205181B2/en
Priority to DE112018000114.8T priority patent/DE112018000114T5/de
Publication of WO2019062088A1 publication Critical patent/WO2019062088A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • 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
    • H01R24/56—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 specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/564—Corrugated cables
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • H01R13/582—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 the cable being clamped between assembled parts of the housing
    • 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
    • H01R13/582—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 the cable being clamped between assembled parts of the housing
    • H01R13/5825—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 the cable being clamped between assembled parts of the housing the means comprising additional parts captured between housing parts and 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R9/0524—Connection to outer conductor by action of a clamping member, e.g. screw fastening means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • 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
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • 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

Definitions

  • the present invention relates to the technical field of a radio frequency coaxial cable connector, and specifically relates to a radio frequency coaxial cable connector quick mounting mechanism.
  • RF coaxial connectors and cable connectors are commonly used in the form of mounting, welding and crimping.
  • the connector of the installed structure is more expensive than the other two structures, but its advantage is that it is flexible in engineering construction and can be adjusted according to the actual length or interface form requirements. According to the survey, it takes 2 ⁇ 3 minutes for a skilled construction worker to install a connector in the construction. For a new person, it takes 10 ⁇ 15 minutes to install a connector according to the installation instructions, and it may not be installed. Poor performance indicators.
  • the present invention provides a quick installation mechanism for a radio frequency coaxial cable connector, which is simple and quick to install, has high mechanical structure stability, high work reliability, and improves product competitiveness.
  • a radio frequency coaxial cable connector quick-installing mechanism comprising: a front housing and a rear protective sleeve, wherein a front insulator, a center conductor, and a rear insulator are mounted in a cavity of the front housing, the front insulator
  • the center conductor and the rear insulator are arranged in the front-rear direction, and the first positioning hole, the second positioning hole, and the first through hole are respectively disposed at the central axial positions of the front insulator, the center conductor, and the rear insulator, and the cable crimping ring
  • the front end surface is press-fitted to the end surface of the outer ring portion of the rear end surface of the rear insulator, and the outer ring end surface of the cable crimping ring and the inner ring surface of the front case are connected by an interference fit, the front end
  • the rear outer annular surface of the casing and the front inner annular surface of the rear protective sleeve are in an interference fit positioning connection, and the inner cavity
  • the inner side of the stop protrusion of the outer ring end surface of the front casing is provided with a first sealing ring, and after the cable is connected, the outer ring surface of the first sealing ring is closely attached to the rear The inner surface of the protective sleeve ensures that the package is in place;
  • the cable clamping assembly includes a base, a cable clamp, an interference fit connection between an outer annular surface of the base and a corresponding inner annular surface of the rear protective sleeve, and a rear barb structure card of the cable clamp Mounted in a corresponding slot of the base, the inner end annular surface of the cable clamp forms a clamping surface;
  • the cable clamp is specifically a circular ring structure formed by circumferentially splitting a four-cable cable clamp structure, and a rear barb structure of each cable clamp structure is positioned in the corresponding slot;
  • the cable clamp structure in a cross-sectional state includes a first protrusion, a concave portion, and a second protrusion, and the first protrusion, the inner concave portion and the second protrusion constitute a clamping structure;
  • the front end outer ring surface of the cable clamp is provided with a 0-ring, and the rear end outer ring surface of the cable clamp is provided with a circlip
  • the slot is reserved with a circlip mounting cavity, the circlip is set on the outer ring surface of the rear end of the cable clamp, and is located in the circlip mounting cavity;
  • the base includes an axial rear convex ring, the axial rear convex ring is inserted into a corresponding mounting groove of the rear mounting sleeve, a rear end of the axial rear convex ring and the a sealing ring is arranged between the inner end walls of the mounting groove
  • the inner ring surface of the sealing ring is set on the outer annular surface of the sheath to be connected to ensure waterproof performance
  • a gap is left between the rear end surface of the main body of the base and the corresponding positioning end surface of the rear mounting sleeve, and the cross section of the rear end annular surface of the axial rear convex ring is a slope, during the crimping process
  • the rear end surface of the main body of the base and the positioning end surface of the rear protective sleeve are used as the limiting surface to ensure that the sealing ring is deformed under pressure during the crimping process to achieve the sealing effect;
  • the aperture of the first positioning hole is smaller than the aperture of the first through hole, ensuring that the inner conductor of the cable can be better fastened.
  • the cable crimping ring and the front casing are in an interference fit, the outer conductor of the cable is deformed by extrusion and bending, and the outer conductors are overlapped, and are clamped to the household surface of the cable clamp assembly and the cable is pressed. Between the rings, as the crimping force for the cable is greater than the resistance between the cable crimping ring and the casing, the cable crimping ring begins to displace, and the insulator and the center conductor advance forward, and then drive the center.
  • the conductor enters the first positioning hole to better tighten the inner conductor of the cable; the connector of the invention is pre-installed, and the front and rear casings need not be twisted and installed, and only the cable stripped by size is inserted
  • the connector is then crimped using a tool, which is simple and convenient to install.
  • the front and rear housings are interference-fitted with a crimping structure instead of the conventional screw-on structure.
  • the tensile strength of the test and cable connection is significantly greater than that of the conventional threaded connection. structure.
  • FIG. 1 is a perspective exploded view of the present invention
  • FIG. 2 is a cross-sectional view showing the structure of a front view of the present invention
  • FIG. 3 is a schematic view showing the installation of a three-dimensional structure of the present invention.
  • FIG. 4 is a schematic view showing the effect of the sealing ring before and after crimping according to the present invention.
  • FIG. 5 is a schematic view of a crimping effect of the present invention.
  • FIG. 6 is a partial enlarged structural view of A of FIG. 5 (a schematic diagram of the effect of double-layering the outer conductor of the cable)
  • FIG. 7 is a schematic view showing the installation effect of the cable clamp assembly of the present invention.
  • front case 1 rear cover 2, center conductor 3, second positioning hole 31, front insulator 4, first positioning hole 41, cable crimping ring 5, rear insulator 6, first through hole 61, cable Clamp assembly 7, cable clamp 8, rear barb structure 8, cable clamp structure 82, first projection 821, inner recess 822, second projection 823, base 9, slot 91, axial rear raised ring 92.
  • RF coaxial cable connector quick mounting mechanism see FIG. 1 to FIG. 7: It comprises a front housing 1, a rear protective sleeve 2, and a front insulator 4, a center conductor 3, and a rear body are mounted in the cavity of the front housing 1.
  • the insulator 6, the front insulator 4, the center conductor 3, and the rear insulator 6 are arranged in the front-rear direction, and the first positioning hole 41 and the second positioning hole are respectively disposed at the central axial positions of the front insulator 4, the center conductor 3, and the rear insulator 6. 31.
  • the first through hole 61, the front end surface of the cable crimping ring 5 is press-fitted to the outer diameter ring end surface of the rear end surface of the rear insulator 6, the outer ring end surface of the cable crimping ring 5 and the inner annular surface of the front housing 1.
  • the interference fit positioning connection, the rear outer ring surface of the front casing 1 and the front inner ring surface of the rear protective sleeve 2 are in an interference fit positioning connection, and the inner clamp cavity of the rear protective cover 2 is provided with a cable clamp assembly 7, the cable clamp assembly
  • the clamping surface formed by 7 is used to clamp the outer annular surface of the outer conductor of the cable to be connected.
  • the first sealing ring 15 is sleeved on the inner side of the stop protrusion 14 of the outer ring end surface of the front housing 1. After the cable 13 is connected, the outer ring surface of the first sealing ring 15 is in close contact with the inner ring of the rear protective cover 2. Face, make sure the package is in place;
  • the cable clamping assembly includes a base 9, a cable clamp 8, an outer ring surface of the base 9 and a corresponding inner ring surface of the rear protective cover 2, and a rear end barb structure 81 of the cable clamp 8 is attached to the cable clamp 8 In the corresponding slot 91 of the base 9, the inner end annular surface of the cable clamp 8 forms a clamping surface.
  • the cable clamp 8 is specifically a circular structure formed by circumferentially splitting the four-cable cable clamp structure 82, and the rear end barb structure 81 of each cable clamp structure 82 is positioned in the corresponding slot 91;
  • the cable clamp structure 82 in the cross-sectional state includes a first protrusion 821, a concave section 822, and a second protrusion 823, a protrusion 821, a concave section 822, and a second protrusion 823 constitute a clamping structure;
  • the front end outer ring surface of the cable clamp 8 is provided with an O-ring 12, and the rear outer surface of the cable clamp 8 is provided with a circlip 11, and after the cable 13 is connected in place, the outer ring surface formed by the cable clamp 8 is pushed.
  • the base 9 includes an axial rear raised ring 92, and the axial rear raised ring 92 is inserted into the corresponding mounting groove 21 of the rear mounting sleeve 2, the rear end of the axial rear raised ring 92 and the mounting groove 21 A sealing ring 10 is disposed between the inner end walls. In the working state, the inner annular surface of the sealing ring 10 is assembled on the outer annular surface of the sheath to be connected to the cable 13 to ensure waterproof performance;
  • a gap is left between the rear end surface of the main body of the pre-installed cymbal base 9 and the corresponding locating end surface of the rear mounting sleeve 2, and the cross section of the rear end annular surface of the axial rear convex ring 92 is a sloped surface, and passes through the base 9 during the crimping process.
  • the rear end surface of the main body and the positioning end surface of the rear protective cover 2 serve as a limiting surface to ensure that the sealing ring 10 is deformed by force during the crimping process to achieve the sealing effect; the diameter of the first positioning hole 41 is smaller than the outer diameter of the center conductor 3, ensuring The inner conductor of the cable can be better fastened; during the cable installation, the cable clamp structure 82 is struted, but the circlip 11 and the 0-ring 12 are tightened and restored, and the first projection 821 of the cable clamp 8 And the second protrusion 823 is stuck in the valley of the outer conductor of the cable to prevent the cable from being shaken.
  • the cable clamp adopts a split structure, the cable clamp and the base are fixed by a barb structure and a circlip, and the front part of the cable clamp is fixed by an elastic rubber member (0-ring), so that the cable clamp has a brace and a shrinkage function.
  • the cable clamp is supported, and the installation process is labor-saving, and the conventional gutter copper cable clamp cannot be automatically restored after installation;
  • the above cable clamp structure has two cable trough fixing points designed to better fix the outer conductor of the cable, and reduce the displacement of the outer conductor inside the connector during the shaking process, thereby achieving relatively stable performance.
  • the inner conductor of the inner conductor of the connector clamps the inner conductor of the cable, and the inner conductor clamping portion is pressed into the front insulator during the crimping process of the connector, and the front insulator has a smaller aperture than the connector slot The diameter of the front insulator protects the clamping portion and increases the clamping force on the inner conductor of the cable;
  • the connector and the cable sheath portion sealing ring are made to be waterproof by squeezing and deforming during the crimping process of the connector.

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

一种射频同轴电缆连接器快速安装机构，其安装简单、快速，机械结构稳定性高，工作可靠性高，提高了产品的竞争力。其包括前壳体（1）、后保护套（2），前壳体（1）的腔体内安装有前绝缘体（4）、中心导体（3）、后绝缘体（6），前绝缘体（4）、中心导体（3）、后绝缘体（6）前后向顺次布置，前绝缘体（4）、中心导体（3）、后绝缘体（6）的中心轴向位置上分别设置有第一定位孔（41）、第二定位孔（31）、第一贯穿孔（61），电缆压接环（5）的前端面压装于后绝缘体（6）的后端面的外径环部端面，电缆压接环（5）的外环端面和前壳体（1）的内环面间过盈配合定位连接，前壳体（1）的后外环面和后保护套（2）的前内环面过盈配合定位连接，后保护套（2）的内腔内设置有电缆夹组件（7），电缆夹组件（7）所形成的夹持面用于夹持住待连接电缆（13）的外导体的外环面。

Description

发明名称:射频同轴电缆连接器快速安装机构 技术领域
[0001] 本发明涉及射频同轴电缆连接器的技术领域， 具体为射频同轴电缆连接器快速 安装机构。
背景技术
[0002] 行业内射频同轴连接器与电缆连接器形式常用的是安装式、 焊接式及压接式。
针对安装式结构， 行业内都是通过螺纹旋接来实现的， 可进行拆卸。 安装式结 构的连接器相比其他两种结构价格偏贵， 但其优点在于在工程施工中使用灵活 ， 可以根据实际长度或接口形式需求做调整。 根据调研， 在工程施工中一个熟 练的施工人员安装一个连接器需要花费 2~3分钟， 对于一名新人， 按照安装说明 书安装一个连接器基本要花费 10~15分钟， 而且可能还安装不到位， 性能指标不 良。
[0003] 现在国内外同一型号的连接器内部结构基本大同小异， 其电气性能方面所凸显 的问题也基本一致， 特别是行业内关注比较多的动态互调。 针对动态互调的问 题， 我们也经过较多的试验分析， 除去材料及电镀问题， 连接器电缆夹对电缆 外导体的夹持及连接器插孔对电缆内导体的夹持能力量方面对互调起到较大的 影响作用。 常规的连接器对电缆外导体只有简单的夹持， 其余部位与电缆外导 体的空隙均比较大， 而在动态情况下就电缆外导体晃动会导致互调极不稳定， 同样的问题也出现在内导体夹持上， 故这两个因素对动态互调的稳定起到至关 重要的影响。
[0004] 随着基站系统对各个组件性能的要求越来越高及人工施工成本的不断提高， 很 多国外厂家都在寻找性能稳定且易安装的连接器幵发方案。
技术问题
问题的解决方案
技术解决方案 [0005] 针对上述问题， 本发明提供了射频同轴电缆连接器快速安装机构， 其安装简单 、 快速， 机械结构稳定性高， 工作可靠性高， 提高了产品的竞争力。
[0006] 射频同轴电缆连接器快速安装机构， 其特征在于： 其包括前壳体、 后保护套， 所述前壳体的腔体内安装有前绝缘体、 中心导体、 后绝缘体， 所述前绝缘体、 中心导体、 后绝缘体前后向顺次布置， 所述前绝缘体、 中心导体、 后绝缘体的 中心轴向位置上分别设置有第一定位孔、 第二定位孔、 第一贯穿孔， 电缆压接 环的前端面压装于所述后绝缘体的后端面的外径环部端面， 所述电缆压接环的 外环端面和所述前壳体的内环面间过盈配合定位连接， 所述前壳体的后外环面 和所述后保护套的前内环面过盈配合定位连接， 所述后保护套的内腔内设置有 电缆夹组件， 所述电缆夹组件所形成的夹持面用于夹持住待连接电缆的外导体 的外环面。
[0007] 其进一步特征在于： 所述前壳体的外环端面的止挡凸起内侧套装有第一密封圈 ， 电缆连接到位后、 所述第一密封圈的外环面紧贴所述后保护套的内环面， 确 保封装到位；
[0008] 所述电缆夹持组件包括底座、 电缆夹， 所述底座的外环面和所述后保护套的对 应内环面间过盈配合连接， 所述电缆夹的后端倒钩结构卡装于所述底座对应的 槽孔中， 所述电缆夹的内端环面形成夹持面；
[0009] 所述电缆夹具体为四瓣电缆夹结构圆周向拼合形成的圆环结构， 每个电缆夹结 构的后端倒钩结构定位于对应的所述槽孔内；
[0010] 截面状态下的所述电缆夹结构包括第一凸起、 内凹段、 第二凸起， 所述第一凸 起、 内凹段、 第二凸起组成夹持结构；
[0011] 所述电缆夹的前端外环面套装有 0型圈， 所述电缆夹的后端外环面套装有卡簧
， 电缆连接到位后， 电缆夹所形成的外环面被推装于所述前壳体的后端内腔内
[0012] 所述槽孔预留有卡簧安装腔， 所述卡簧套装于所述电缆夹的后端外环面、 并定 位于所述卡簧安装腔内；
[0013] 所述底座包括轴向后凸起环， 所述轴向后凸起环插装于所述后安装套对应的安 装槽内， 所述轴向后凸起环的后端和所述安装槽的内端壁间设置有密封圈， 工 作状态下所述密封圈的内环面同吋套装于待连接电缆的护套外环面， 确保防水 性能；
[0014] 预安装吋所述底座的主体后端面和所述后安装套的对应定位端面间留有间隙， 所述轴向后凸起环的后端环面的截面为斜面， 压接过程中通过底座的主体后端 面和后保护套的定位端面作为限制面， 确保在压接过程中密封圈受力变形， 达 到密封的效果；
[0015] 所述第一定位孔的孔径小于所述第一贯穿孔的孔径， 确保电缆的内导体可以被 更好地紧固。
发明的有益效果
有益效果
[0016] 采用本发明的结构后， 首先进行电缆的剥线及预装， 其中剥线要求进行电缆发 泡处理， 在电缆护套上做好标记或听到两声"咔擦"表示连接器已经预装到位， 此 吋电缆内导体已在后绝缘体的第二贯穿孔内， 保证同心度的同吋确保电缆内导 体进入中心导体的第一贯穿孔内， 之后在压接过程中， 电缆外导体顶住电缆压 接环， 因为电缆压接环与前壳体为过盈配合， 所以电缆外导体受挤压弯曲变形 ， 外导体重叠， 被夹持于电缆夹组件的家吃面和电缆压接环之间， 当作用于电 缆的压接力大于电缆压接环与壳体之间的阻力吋， 电缆压接环幵始发生位移， 同吋顺带后绝缘体及中心导体往前推进、 进而带动中心导体进入第一定位孔内 ， 更好的紧固电缆内导体； 本发明的连接器已预安装， 无需把前后壳体拧幵再 安装， 只需把按尺寸剥好的电缆插入连接器， 然后使用工具进行压接， 安装简 单、 方便； 前后壳体过盈配合压接结构， 代替常规的螺纹旋接结构， 同吋经过 试验与电缆连接的抗拉强度明显大于常规螺纹旋接结构。
对附图的简要说明
附图说明
[0017] 图 1为本发明的立体爆炸图；
[0018] 图 2为本发明的主视图剖视结构示意图；
[0019] 图 3为本发明的安装三维结构示意图；
[0020] 图 4为本发明的密封圈压接前后效果示意图； [0021] 图 5为本发明的压接效果示意图；
[0022] 图 6为图 5的 A处局部放大结构示意图 （电缆外导体被双层压接的效果示意图）
[0023] 图 7为本发明的电缆夹组件安装效果示意图；
[0024] 图中序号所对应的名称如下：
[0025] 前壳体 1、 后保护套 2、 中心导体 3、 第二定位孔 31、 前绝缘体 4、 第一定位孔 41 、 电缆压接环 5、 后绝缘体 6、 第一贯穿孔 61、 电缆夹组件 7、 电缆夹 8、 后端倒 钩结构 8、 电缆夹结构 82、 第一凸起 821、 内凹段 822、 第二凸起 823、 底座 9、 槽 孔 91、 轴向后凸起环 92、 密封圈 10、 卡簧 11、 0型圈 12、 电缆 13、 止挡凸起 14、 第一密封圈 15。
实施该发明的最佳实施例
本发明的最佳实施方式
[0026] 射频同轴电缆连接器快速安装机构， 见图 1〜图 7: 其包括前壳体 1、 后保护套 2 ， 前壳体 1的腔体内安装有前绝缘体 4、 中心导体 3、 后绝缘体 6， 前绝缘体 4、 中 心导体 3、 后绝缘体 6前后向顺次布置， 前绝缘体 4、 中心导体 3、 后绝缘体 6的中 心轴向位置上分别设置有第一定位孔 41、 第二定位孔 31、 第一贯穿孔 61， 电缆 压接环 5的前端面压装于后绝缘体 6的后端面的外径环部端面， 电缆压接环 5的外 环端面和前壳体 1的内环面间过盈配合定位连接， 前壳体 1的后外环面和后保护 套 2的前内环面过盈配合定位连接， 后保护套 2的内腔内设置有电缆夹组件 7， 电 缆夹组件 7所形成的夹持面用于夹持住待连接电缆的外导体的外环面。
[0027] 前壳体 1的外环端面的止挡凸起 14内侧套装有第一密封圈 15， 电缆 13连接到位 后、 第一密封圈 15的外环面紧贴后保护套 2的内环面， 确保封装到位；
[0028] 电缆夹持组件包括底座 9、 电缆夹 8， 底座 9的外环面和后保护套 2的对应内环面 间过盈配合连接， 电缆夹 8的后端倒钩结构 81卡装于底座 9对应的槽孔 91中， 电 缆夹 8的内端环面形成夹持面。
[0029] 具体实施例中， 电缆夹 8具体为四瓣电缆夹结构 82圆周向拼合形成的圆环结构 ， 每个电缆夹结构 82的后端倒钩结构 81定位于对应的槽孔 91内；
[0030] 截面状态下的电缆夹结构 82包括第一凸起 821、 内凹段 822、 第二凸起 823， 第 一凸起 821、 内凹段 822、 第二凸起 823组成夹持结构；
[0031] 电缆夹 8的前端外环面套装有 0型圈 12， 电缆夹 8的后端外环面套装有卡簧 11， 电缆 13连接到位后， 电缆夹 8所形成的外环面被推装于前壳体的后端内腔内； [0032] 槽孔 91预留有卡簧安装腔， 卡簧 11套装于电缆夹 8的后端外环面、 并定位于卡 簧安装腔内；
[0033] 底座 9包括轴向后凸起环 92， 轴向后凸起环 92插装于后安装套 2对应的安装槽 21 内， 轴向后凸起环 92的后端和安装槽 21的内端壁间设置有密封圈 10， 工作状态 下密封圈 10的内环面同吋套装于待连接电缆 13的护套外环面， 确保防水性能；
[0034] 预安装吋底座 9的主体后端面和后安装套 2的对应定位端面间留有间隙， 轴向后 凸起环 92的后端环面的截面为斜面， 压接过程中通过底座 9的主体后端面和后保 护套 2的定位端面作为限制面， 确保在压接过程中密封圈 10受力变形， 达到密封 的效果； 第一定位孔 41的孔径小于中心导体 3的外径， 确保电缆的内导体可以被 更好地紧固； 电缆安装过程中， 电缆夹结构 82被撑幵， 但卡簧 11和 0型圈 12使其 收紧恢复原样， 电缆夹 8中第一凸起 821和第二凸起 823卡于电缆外导体波谷中， 防止电缆窜动。
[0035] 本发明的快速安装连接器的有益效果如下：
[0036] a) 本发明连接器已预安装， 无需把前后壳体拧幵再安装， 只需把按尺寸剥 好的电缆插入连接器， 然后使用工具进行压接， 安装简单、 方便；
[0037] b) 前后壳体过盈配合压接结构， 代替常规的螺纹旋接结构， 同吋经过试验 与电缆连接的抗拉强度明显大于常规螺纹旋接结构；
[0038] c) 电缆夹采用分体结构， 电缆夹与底座通过倒钩结构及卡簧固定， 电缆夹 前部通过弹性橡胶件 （0型圈） 固定， 使电缆夹均有撑幵后收缩功能， 电缆装入 连接器过程中撑幵电缆夹， 安装过程较为省力， 而常规的幵槽铜件电缆夹安装 后无法自动恢复原样；
[0039] d) 上述的电缆夹结构中有设计两个电缆波谷固定点， 对电缆外导体的固定 效果更优， 减少电缆在晃动过程中连接器内部外导体的位移， 能够达到较为稳 定的性能指标；
[0040] e) 电缆夹与外导体的夹持采用双层铜带， 代替之前的单层夹持， 夹持更加 牢靠。
[0041] f) 连接器内导体幵槽尾部对电缆内导体的夹持， 在连接器压接过程中内导体 夹持部位被压进前绝缘体中， 而前绝缘体孔径小于连接器幵槽部位外径， 使前 绝缘体对夹持部位进行保护， 增大对电缆内导体的夹持力；
[0042] g) 连接器与电缆护套部位密封圈通过在连接器压接过程中挤压变形， 实现 连接器防水。
[0043] 以上对本发明的具体实施例进行了详细说明， 但内容仅为本发明创造的较佳实 施例， 不能被认为用于限定本发明创造的实施范围。 凡依本发明创造申请范围 所作的均等变化与改进等， 均应仍归属于本专利涵盖范围之内。

Claims

权利要求书
[权利要求 1] 射频同轴电缆连接器快速安装机构， 其特征在于： 其包括前壳体、 后 保护套， 所述前壳体的腔体内安装有前绝缘体、 中心导体、 后绝缘体 ， 所述前绝缘体、 中心导体、 后绝缘体前后向顺次布置， 所述前绝缘 体、 中心导体、 后绝缘体的中心轴向位置上分别设置有第一定位孔、 第二定位孔、 第一贯穿孔， 电缆压接环的前端面压装于所述后绝缘体 的后端面的外径环部端面， 所述电缆压接环的外环端面和所述前壳体 的内环面间过盈配合定位连接， 所述前壳体的后外环面和所述后保护 套的前内环面过盈配合定位连接， 所述后保护套的内腔内设置有电缆 夹组件， 所述电缆夹组件所形成的夹持面用于夹持住待连接电缆的外 导体的外环面。
[权利要求 2] 如权利要求 1所述的射频同轴电缆连接器快速安装机构， 其特征在于
： 所述前壳体的外环端面的止挡凸起内侧套装有第一密封圈， 电缆连 接到位后、 所述第一密封圈的外环面紧贴所述后保护套的内环面。
[权利要求 3] 如权利要求 1所述的射频同轴电缆连接器快速安装机构， 其特征在于
： 所述电缆夹持组件包括底座、 电缆夹， 所述底座的外环面和所述后 保护套的对应内环面间过盈配合连接， 所述电缆夹的后端倒钩结构卡 装于所述底座对应的槽孔中， 所述电缆夹的内端环面形成夹持面。
[权利要求 4] 如权利要求 3所述的射频同轴电缆连接器快速安装机构， 其特征在于
： 所述电缆夹具体为四瓣电缆夹结构圆周向拼合形成的圆环结构， 每 个电缆夹结构的后端倒钩结构定位于对应的所述槽孔内。
[权利要求 5] 如权利要求 4所述的射频同轴电缆连接器快速安装机构， 其特征在于
： 截面状态下的所述电缆夹结构包括第一凸起、 内凹段、 第二凸起， 所述第一凸起、 内凹段、 第二凸起组成夹持结构。
[权利要求 6] 如权利要求 3所述的射频同轴电缆连接器快速安装机构， 其特征在于
： 所述电缆夹的前端外环面套装有 0型圈， 所述电缆夹的后端外环面 套装有卡簧， 电缆连接到位后， 电缆夹所形成的外环面被推装于所述 前壳体的后端内腔内。
[权利要求 7] 如权利要求 6所述的射频同轴电缆连接器快速安装机构， 其特征在于 ： 所述槽孔预留有卡簧安装腔， 所述卡簧套装于所述电缆夹的后端外 环面、 并定位于所述卡簧安装腔内。
[权利要求 8] 如权利要求 3所述的射频同轴电缆连接器快速安装机构， 其特征在于 ： 所述底座包括轴向后凸起环， 所述轴向后凸起环插装于所述后安装 套对应的安装槽内， 所述轴向后凸起环的后端和所述安装槽的内端壁 间设置有密封圈， 工作状态下所述密封圈的内环面同吋套装于待连接 电缆的护套外环面。
[权利要求 9] 如权利要求 8所述的射频同轴电缆连接器快速安装机构， 其特征在于 ： 预安装吋所述底座的主体后端面和所述后安装套的对应定位端面间 留有间隙， 所述轴向后凸起环的后端环面的截面为斜面， 压接过程中 通过底座的主体后端面和后保护套的定位端面作为限制面， 确保在压 接过程中密封圈受力变形， 达到密封的效果。
[权利要求 10] 如权利要求 1所述的射频同轴电缆连接器快速安装机构， 其特征在于 ： 所述第一定位孔的孔径小于所述第一贯穿孔的孔径。
PCT/CN2018/083914 2017-09-28 2018-04-20 射频同轴电缆连接器快速安装机构 Ceased WO2019062088A1 (zh)

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US20200358234A1 (en) 2020-11-12
US10958022B2 (en) 2021-03-23

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