WO2022062418A1 - 一种漏缆连接器的安装结构及漏缆连接器 - Google Patents

一种漏缆连接器的安装结构及漏缆连接器 Download PDF

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Publication number
WO2022062418A1
WO2022062418A1 PCT/CN2021/092288 CN2021092288W WO2022062418A1 WO 2022062418 A1 WO2022062418 A1 WO 2022062418A1 CN 2021092288 W CN2021092288 W CN 2021092288W WO 2022062418 A1 WO2022062418 A1 WO 2022062418A1
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WO
WIPO (PCT)
Prior art keywords
leaky cable
housing
cable connector
shell
wire clip
Prior art date
Application number
PCT/CN2021/092288
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English (en)
French (fr)
Inventor
韩广银
冯良平
顾文杰
郑剑秋
纪云飞
Original Assignee
中天射频电缆有限公司
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.)
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Application filed by 中天射频电缆有限公司 filed Critical 中天射频电缆有限公司
Priority to EP21857011.7A priority Critical patent/EP4007078A4/en
Publication of WO2022062418A1 publication Critical patent/WO2022062418A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00Structural 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
    • H01R9/03Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0524Connection to outer conductor by action of a clamping member, e.g. screw fastening means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/506Bases; Cases composed of different pieces assembled by snap action of the parts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58Means 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
    • H01R13/5804Means 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 comprising a separate cable clamping part
    • H01R13/5816Means 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 comprising a separate cable clamping part for cables passing through an aperture in a housing wall, the separate part being captured between cable and contour of aperture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/70Insulation of connections
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40Two-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
    • H01R24/56Two-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

Definitions

  • the present application relates to the technical field of cable connectors, in particular to an installation structure of a leaky cable connector and a leaky cable connector.
  • Another way is to use a built-in spring coil contact structure at the contact part of the copper skin of the leaky cable, but because the spring coil is an elastic slot structure, it is easy to deform, and the spring coil contact cannot be compressed after radial contact with the outer conductor of the cable. Without 360° reliable contact to obtain high contact pressure, it is easy to cause connection failure. In special application environments, the dynamic intermodulation stability is poor, it is easy to deviate from the normal value, and it cannot be used repeatedly. After the installation fails, pulling out the spring coil will cause damaged and unusable.
  • Another way is to use a slotted cable clip with a closed ring or a C-shaped opening, which has poor stability and is prone to connector falling off.
  • the technical problem to be solved by the present application is to overcome the defects of poor connection stability between the leaky cable connector and the leaky cable in the prior art, easy to fall off, and affect the use performance, so as to provide a leaky cable with reliable connection and good use performance.
  • Connector installation structure and leaky cable connector are provided.
  • an installation structure of a leaky cable connector including:
  • the first shell and the second shell are sleeved with each other, the first shell is arranged inside, the second shell is arranged outside, and the first shell and the second shell are both provided with installation spaces that allow leakage cables to pass through;
  • a wire clip is provided at the connection between the first casing and the second casing, and a gap is provided between the wire clip and the first casing to allow the outer conductor of the leaky cable to be inserted.
  • the wire clip When entering the installation space, the wire clip is forced to move toward the first housing to clamp the outer conductor of the leaky cable.
  • an end surface of at least one of the wire clip and the first housing facing the gap is a tapered surface.
  • the end surface of the wire clip facing the gap is a tapered surface whose inner diameter gradually increases from one end close to the second shell to the other end close to the first shell, and the first shell
  • the end face facing the recess consists of at least two part bevels.
  • an assembly space for allowing the wire clip to be inserted under the action of an external force is formed on the first housing, and correspondingly, a protrusion adapted to the assembly space is formed on the wire clip.
  • the other end of the wire clip opposite to the protrusion is provided with a first limiting piece
  • the first housing is provided with a second limiting piece that cooperates with the first limiting piece
  • a third limiting piece and a fourth limiting piece are arranged in the second housing at intervals along the axial direction, and a first seal is arranged between the third limiting piece and the fourth limiting piece in sequence.
  • the pressure ring is in contact with the fourth limiting piece
  • the first sealing piece is in contact with the third limiting piece
  • the outer shell is in contact with the first sealing piece at the same time. contact with the pressure ring.
  • the housing has a conical surface matched with the wire clip, so as to exert a radial pressing force on the wire clip under the action of an external force.
  • annular groove is provided on the contact surface of the first casing and the second casing, and a second sealing member is arranged in the annular groove.
  • the first casing and the second casing are fitted with interference.
  • leaky cable connector including the installation structure of the leaky cable connector described in the present application.
  • the end face of the wire clip facing the gap is a tapered surface whose inner diameter gradually increases from one end close to the second shell to the other end close to the first shell.
  • the end face facing the recess consists of at least two part bevels.
  • the configuration of the tapered surface and at least two inclined surfaces further increases the contact area between the installation structure and the outer conductor of the leaky cable, improves the reliability and stability of the connection, and solves the problem of poor contact on the contact surface where the radio frequency current flows. And the problem of poor intermodulation in the transmission system caused by nonlinear characteristics.
  • the installation structure of the leaky cable connector provided by this application the arrangement of the first seal in the second casing and the second seal on the contact surface between the first casing and the second casing solves the problem of using traditional glue tape.
  • the water leakage problem caused by the water inlet waterproof treatment improves the waterproof sealing performance.
  • 1 is a schematic half-section schematic diagram of the installation structure of the leaky cable connector provided by the application;
  • Fig. 2 is the partial enlarged schematic diagram of Fig. 1;
  • Figure 3 is a partial schematic view of the leaky cable and the installation structure when assembled
  • FIG. 4 is a schematic diagram of another installation method of the pressure ring and the housing.
  • FIG. 1 A specific embodiment of the installation structure of the leaky cable connector as shown in Figs.
  • the second housing 2 is assembled with interference, the first housing 1 is arranged inside, and the second housing 2 is arranged outside. Both the first housing 1 and the second housing 2 are provided with an installation space that allows the leaky cable 3 to pass through. .
  • a wire clip 4 is provided at the connection between the first casing 1 and the second casing 2 , and an assembly space for allowing the wire clip 4 to be inserted when subjected to external force is formed on the inner circumference of the first casing 1 5.
  • the wire clip 4 is formed with a protrusion 6 adapted to the assembly space 5 .
  • a gap 7 for allowing the outer conductor of the leaky cable 3 to be inserted is provided between the main body of the wire clip 4 and the first casing 1 .
  • the first housing 1 is provided with a projection that cooperates with the first limiting member 8 as the second limiting member 9, so the wire clip 4 is limited in the current position; when the leaky cable 3 is assembled with the installation structure
  • the first limiting member 8 passes over the second limiting member 9 under the action of external force, so that the The protrusion 6 is inserted into the assembly space 5 to be fixed, while the wire clip 4 is forced to move toward the first housing 1 to clamp the outer conductor of the leaky cable 3 .
  • the wire clip 4 is provided with a number of grooves, and the inner wall of the wire clip 4 is provided with barbs.
  • the barbs are stuck into the outer sheath of the leaky cable 3, which further improves the performance. Installation stability.
  • One side of the barb is provided with a stepped surface. When the leaky cable 3 is installed, the stepped surface abuts against the outer sheath of the leaky cable 3 to limit the installation size of the leaky cable 3 .
  • the end surface of the wire clip 4 facing the gap 7 is a tapered surface whose inner diameter gradually increases from one end close to the second shell 2 to the other end close to the first shell 1 .
  • the end face of the casing 1 facing the gap 7 is composed of two inclined surfaces, and the two inclined surfaces form an arc surface that is outwardly convex away from the gap 7 .
  • the radial end face of the first casing 1 in the second casing 2 is in contact with the end face of the foam layer of the leaky cable 3 to limit the movement of the leaky cable 3 .
  • An inner conductor is provided in the first housing 1 along the axis direction.
  • the inner conductor includes an insertion hole 10, a center conductor 11 and a rivet tube 12 arranged in sequence.
  • a blind hole is provided at the center of a step, and the riveting tube 12 is provided with a through hole matching the first step, and the riveting tube 12 is fixed on the center conductor 11 by riveting through the expansion of the blind hole; the center conductor 11 is close to the insertion
  • the other end of the hole 10 is provided with a second step, the second step is provided with an insulator 13, and the jack 10 and the center conductor 11 are fixed by interference fit, the jack 10 further limits the axial displacement of the insulator 13, and the insulator 13
  • the inner conductor is fixed inside the first casing 1 .
  • the second housing 2 is provided with a third limiting piece and a fourth limiting piece at an axial interval, and the third limiting piece and the fourth limiting piece are formed in the middle of the second housing 2 and away from the first The stepped surface of one end of the housing 1.
  • a first sealing member 14 , a housing 15 and a pressure ring 16 are arranged in sequence between the third limiting member and the fourth limiting member, and the pressing ring 16 abuts against the fourth limiting member to press against each other.
  • the ring 16 plays a positioning role, and the pressing ring 16 is assembled with the second housing 2 through interference fit; the first sealing member 14 is in contact with the third limiting member, and the housing 15 is simultaneously connected with the second housing 2 .
  • a sealing member 14 abuts against the pressing ring 16, and the pressing ring 16 restricts the first sealing member 14 and the housing 15 to move only between the third limiting member and the left end of the pressing ring 16, thus preventing the housing 15 from being in a free state
  • force is applied to the wire clip 4 , so that the gap between the wire clip 4 and the first housing 1 is reduced, which affects the insertion of the outer conductor of the leaky cable 3 .
  • the first sealing member 14 is squeezed for sealing and waterproofing.
  • the end surface of the wire clip 4 away from the axis of the first housing 1 is also a tapered surface, and the outer shell 15 has a tapered surface that cooperates with the wire clip 4 to prevent the wire
  • the clip 4 exerts a radial pressing force, so that the diameter of the wire clip 4 becomes smaller, and the inner barbs are stuck into the outer sheath of the leaky cable 3 , thereby further locking the leaky cable 3 .
  • annular groove 17 is provided on the contact surface of the first casing 1 and the second casing 2 , and a second sealing member 18 is arranged in the annular groove 17 .
  • leaky cable connector including the installation structure of the leaky cable connector.
  • the connector Before assembling the leaky cable 3, the connector has been pre-assembled to form a whole.
  • the leaky cable 3 needs to be foamed and hollowed out.
  • the leaky cable 3 can be inserted into the connector smoothly without causing any movement of the parts.
  • Press-fit is performed in the tooling. As the slotted part of the press-fit clamp 4 is squeezed and deformed, the barb is stuck into the outer sheath of the leaky cable 3, and the outer conductor of the leaky cable 3 is squeezed by the clamp 4 and the first shell. on the conical surface of the body 1 to complete the installation.
  • the end faces of the wire clip 4 and the first casing 1 facing the gap 7 can also be flat, so that a circular gap 7 is formed between the wire clip 4 and the first casing 1 .
  • a wedge-shaped surface is formed on the end surface of the pressure ring 16 facing the housing 15 , and correspondingly, the end surface of the housing 15 facing the pressing ring 16 is formed with a matching wedge-shaped protrusion. can play a limiting role.

Abstract

本申请涉及电缆连接器技术领域,具体涉及一种漏缆连接器的安装结构及漏缆连接器。一种漏缆连接器的安装结构,包括:相互套设的第一壳体和第二壳体,第一壳体设置内,第二壳体设置在外,所述第一壳体和第二壳体内均设有允许漏缆贯穿的安装空间;线夹,设于所述第一壳体和第二壳体的连接处,所述线夹与所述第一壳体之间设有允许漏缆的外导体插入的空隙,在漏缆插入所述安装空间时,所述线夹受力朝向所述第一壳体运动以夹紧漏缆的外导体。本申请提供了一种连接可靠,使用性能良好的漏缆连接器的安装结构及漏缆连接器。

Description

一种漏缆连接器的安装结构及漏缆连接器 技术领域
本申请涉及电缆连接器技术领域,具体涉及一种漏缆连接器的安装结构及漏缆连接器。
背景技术
由于漏泄电缆本身特殊的结构限制,使得目前市场上现有的漏缆连接器在设计时很少考虑到快速安装的问题,行业内射频漏缆连接器壳体之间通常通过螺纹拧紧固定在漏缆上。其中,一种方式是将漏缆外导体铜皮向外翻边,将翻边漏缆端面外铜皮夹持在连接器前后壳体的压力面内,依靠前后壳体拧紧的力量固定铜皮,传递电性能。这种方式安装较为繁琐,需要先装入分离的后外壳,翻边在后外壳结构上,然后再装入前外壳开始拧紧,非整体性安装。另一种方式为在漏缆铜皮接触部位采用内置弹簧圈接触件结构,但因弹簧圈为弹性开槽结构,很容易变形,弹簧圈接触件与电缆外导体径向接触后无法压紧,得不到360°的可靠接触来获得高的接触压力,容易形成连接失效,特殊应用环境中动态互调稳定性较差,易偏离正常值,且不能反复使用,安装失效后拔出弹簧圈会损坏,无法使用。还有一种方式是使用闭合圆环或C型开口的开槽电缆夹,其稳定性差,易出现连接器的脱落。
发明内容
因此,本申请要解决的技术问题在于克服现有技术中的漏缆连接器与漏缆的连接稳定性差,易脱落,影响使用性能的缺陷,从而提供一种连接可靠,使用性能良好的漏缆连接器的安装结构及漏缆连接器。
为了解决上述技术问题,本申请提供了一种漏缆连接器的安装结构,包括:
相互套设的第一壳体和第二壳体,第一壳体设置内,第二壳体设置在外,所述第一壳体和第二壳体内均设有允许漏缆贯穿的安装空间;
线夹,设于所述第一壳体和第二壳体的连接处,所述线夹与所述第一壳体之间设有允许漏缆的外导体插入的空隙,在漏缆插入所述安装空间时,所述线夹受力朝向所述第一壳体运动以夹紧漏缆的外导体。
可选地,所述线夹与所述第一壳体至少之一朝向所述空隙的端面为锥面。
可选地,所述线夹朝向所述空隙的端面为由靠近所述第二壳体的一端向靠近所述第一壳体的另一端内径逐渐增大的锥面,所述第一壳体朝向所述空隙的端面由至少两部分斜面组成。
可选地,所述第一壳体上成型有允许所述线夹在受到外力作用时插入的装配空间,相应地,所述线夹上成型有与所述装配空间适配的凸起。
可选地,所述线夹与所述凸起相对的另一端设有第一限位件,所述第一壳体上设有与所述第一限位件配合的第二限位件,在外力作用下所述第一限位件越过所述第二限位件,以使所述凸起插入所述装配空间中固定。
可选地,所述第二壳体内沿轴向间隔设有第三限位件和第四限位件,在所述第三限位件和第四限位件之间依次设有第一密封件、外壳和压环,所述压环与所述第四限位件抵接,所述第一密封件与所述第三限位件抵接,所述外壳同时与所述第一密封件和压环抵接。
可选地,所述外壳具有与所述线夹配合的锥面,以在外力作用下对所述线夹施加径向压紧力。
可选地,在所述第一壳体与所述第二壳体的接触面上设有环形槽,所述环 形槽内设有第二密封件。
可选地,所述第一壳体和第二壳体过盈装配。
还提供了一种漏缆连接器,包括本申请所述的漏缆连接器的安装结构。
本申请技术方案,具有如下优点:
1.本申请提供的漏缆连接器的安装结构,当漏缆依次穿入第二壳体和第一壳体的安装空间时,由于受到外力作用,漏缆的外导体则插入线夹和第一壳体的空隙中,并在线夹受到的朝向第一壳体运动的作用力下被夹紧,空隙的设置增大了漏缆的外导体与安装结构的接触面积和正压力,使得连接更加可靠稳定,保证了使用性能。
2.本申请提供的漏缆连接器的安装结构,线夹朝向空隙的端面为由靠近第二壳体的一端向靠近第一壳体的另一端内径逐渐增大的锥面,第一壳体朝向空隙的端面由至少两部分斜面组成。锥面以及至少两部分斜面的设置,进一步增大了安装结构与漏缆的外导体的接触面积,提高了连接的可靠性和稳定性,解决了射频电流流经的接触结合面上接触不良,以及由非线性特性引起的传输系统互调不良的问题。
3.本申请提供的漏缆连接器的安装结构,第二壳体内第一密封件以及第一壳体和第二壳体的接触面上第二密封件的设置,解决了使用传统的胶泥胶带进水防水处理引起的漏水问题,提高了防水密封性能。
4.本申请提供的漏缆连接器的安装结构,第一壳体和第二壳体过盈装配,实现了快速安装,无需扳手、美工刀等传统工具,降低了劳动强度,提高了安装效率。
附图说明
为了更清楚地说明本申请具体实施方式或现有技术中的技术方案,下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图是本申请的一些实施方式,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1为本申请提供的漏缆连接器的安装结构的半剖示意图;
图2为图1的局部放大示意图;
图3为漏缆与安装结构装配时的部分示意图;
图4为压环与外壳另一种安装方式的示意图。
附图标记说明:
1、第一壳体;2、第二壳体;3、漏缆;4、线夹;5、装配空间;6、凸起;7、空隙;8、第一限位件;9、第二限位件;10、插孔;11、中心导体;12、铆管;13、绝缘子;14、第一密封件;15、外壳;16、压环;17、环形槽;18、第二密封件。
具体实施方式
下面将结合附图对本申请的技术方案进行清楚、完整地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。基于本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
此外,下面所描述的本申请不同实施方式中所涉及的技术特征只要彼此之间未构成冲突就可以相互结合。
如图1至3所示的漏缆连接器的安装结构的一种具体实施方式,包括沿轴向相互套设的第一壳体1和第二壳体2,所述第一壳体1和第二壳体2过盈装配,第一壳体1设置内,第二壳体2设置在外,所述第一壳体1和第二壳体2内均设有允许漏缆3贯穿的安装空间。
在所述第一壳体1和第二壳体2的连接处设有线夹4,所述第一壳体1的内周上成型有允许所述线夹4在受到外力作用时插入的装配空间5,相应地,所述线夹4上成型有与所述装配空间5适配的凸起6。同时,沿装配空间5向远离第一壳体1的方向延伸,所述线夹4的主体部与所述第一壳体1之间设有允许漏缆3的外导体插入的空隙7。在漏缆3未贯穿第一壳体1和第二壳体2的安装空间时,由于所述线夹4与所述凸起6相对的另一端设有作为第一限位件8的台阶,所述第一壳体1上设有与所述第一限位件8配合的作为第二限位件9的凸块,因此线夹4被限定在当前位置;当漏缆3与安装结构装配时,即随着漏缆3逐渐穿入第二壳体2和第一壳体1的安装空间,在外力作用下所述第一限位件8越过所述第二限位件9,以使所述凸起6插入所述装配空间5中固定,同时所述线夹4受力朝向所述第一壳体1运动以夹紧漏缆3的外导体。
线夹4上设有若干槽道,且在线夹4的内壁设有倒刺,在线夹4受力夹紧漏缆3的外导体时倒刺卡入漏缆3的外护套,进一步提高了安装的稳定性。倒刺的一侧设置有台阶面,漏缆3安装时,该台阶面抵住漏缆3的外护套,以限制漏缆3的安装尺寸。
具体的,所述线夹4朝向所述空隙7的端面为由靠近所述第二壳体2的一端向靠近所述第一壳体1的另一端内径逐渐增大的锥面,所述第一壳体1朝向所述空隙7的端面由两部分斜面组成,两部分斜面形成背离空隙7外凸的弧面。
第一壳体1位于第二壳体2中的径向端面与漏缆3的发泡层端面接触,以限制漏缆3的移动。在第一壳体1中沿轴线方向设有内导体,内导体包括依次 设置的插孔10、中心导体11和铆管12,中心导体11靠近铆管12的一侧设置有第一台阶,第一台阶中心位置设有盲孔,铆管12上设有与第一台阶匹配的通孔,通过对盲孔涨口以铆接的形式将铆管12固定在中心导体11上;中心导体11靠近插孔10的另一端设有第二台阶,第二台阶上设有绝缘子13,且插孔10与中心导体11通过过盈配合固定,插孔10进一步限制了绝缘子13的轴向位移,通过绝缘子13与第一壳体1配合,将内导体固定在第一壳体1内部。
所述第二壳体2内沿轴向间隔设有第三限位件和第四限位件,第三限位件和第四限位件分别为成型第二壳体2中间和远离第一壳体1一端的台阶面。在所述第三限位件和第四限位件之间依次设有第一密封件14、外壳15和压环16,所述压环16与所述第四限位件抵接,对压环16起到定位作用,且压环16通过过盈配合与第二壳体2装配;所述第一密封件14与所述第三限位件抵接,所述外壳15同时与所述第一密封件14和压环16抵接,压环16限制了第一密封件14和外壳15只能在第三限位件和压环16左端之间移动,这样避免了外壳15在自由状态下向右侧移动时对线夹4施力,使得线夹4与第一壳体1之间的空隙减小,影响漏缆3的外导体的插入。当外壳15向远离第一壳体1的方向运动时,挤压第一密封件14起到密封防水作用。
为进一步提高连接的稳定性,线夹4远离第一壳体1轴线的端面也为锥面,所述外壳15具有与所述线夹4配合的锥面,以在外力作用下对所述线夹4施加径向压紧力,使得线夹4直径变小,内部的倒刺卡入漏缆3的外护套中,从而进一步锁紧漏缆3。
为进一步提高密封防水性能,在所述第一壳体1与所述第二壳体2的接触面上设有环形槽17,所述环形槽17内设有第二密封件18。
还提供了一种漏缆连接器,包括所述的漏缆连接器的安装结构。
在装配漏缆3之前,连接器已通过预装配形成一整体,漏缆3需要进行发 泡掏空处理,安装时将处理好的漏缆3从第二壳体2处插进连接器中,直到漏缆3抵住第一壳体1推不动为止。由于第一壳体1、第二壳体2和线夹4的独特设计,漏缆3可顺利插进连接器,不会引起任何零件的移动,漏缆3推到位以后,将组件放入专用工装中进行压配,随着压配线夹4开槽部位挤压变形,倒刺卡入漏缆3的外护套中,漏缆3的外导体则被挤压在线夹4和第一壳体1的锥面上,从而完成安装。
作为替代的实施方式,线夹4与第一壳体1朝向空隙7的端面也可为平面,这样线夹4与第一壳体1之间形成圆环形的空隙7。
作为替代的实施方式,如图4所示,压环16朝向外壳15的端面上成型有一楔形面,相应地,外壳15朝向压环16的端面上成型有与之适配的楔形凸起,也可以起到限位作用。
显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本申请的保护范围之中。

Claims (10)

  1. 一种漏缆连接器的安装结构,其特征在于,包括:
    相互套设的第一壳体(1)和第二壳体(2),第一壳体(1)设置内,第二壳体(2)设置在外,所述第一壳体(1)和第二壳体(2)内均设有允许漏缆(3)贯穿的安装空间;
    线夹(4),设于所述第一壳体(1)和第二壳体(2)的连接处,所述线夹(4)与所述第一壳体(1)之间设有允许漏缆(3)的外导体插入的空隙(7),在漏缆(3)插入所述安装空间时,所述线夹(4)受力朝向所述第一壳体(1)运动以夹紧漏缆(3)的外导体。
  2. 根据权利要求1所述的漏缆连接器的安装结构,其特征在于,所述线夹(4)与所述第一壳体(1)至少之一朝向所述空隙(7)的端面为锥面。
  3. 根据权利要求2所述的漏缆连接器的安装结构,其特征在于,所述线夹(4)朝向所述空隙(7)的端面为由靠近所述第二壳体(2)的一端向靠近所述第一壳体(1)的另一端内径逐渐增大的锥面,所述第一壳体(1)朝向所述空隙(7)的端面由至少两部分斜面组成。
  4. 根据权利要求1至3任一项所述的漏缆连接器的安装结构,其特征在于,所述第一壳体(1)上成型有允许所述线夹(4)在受到外力作用时插入的装配空间(5),相应地,所述线夹(4)上成型有与所述装配空间(5)适配的凸起(6)。
  5. 根据权利要求4所述的漏缆连接器的安装结构,其特征在于,所述线夹(4)与所述凸起(6)相对的另一端设有第一限位件(8),所述第一壳体(1)上设有与所述第一限位件(8)配合的第二限位件(9),在外力作用下所述第一限位件(8)越过所述第二限位件(9),以使所述凸起(6)插入所述装配空间 (5)中固定。
  6. 根据权利要求1至5任一项所述的漏缆连接器的安装结构,其特征在于,所述第二壳体(2)内沿轴向间隔设有第三限位件和第四限位件,在所述第三限位件和第四限位件之间依次设有第一密封件(14)、外壳(15)和压环(16),所述压环(16)与所述第四限位件抵接,所述第一密封件(14)与所述第三限位件抵接,所述外壳(15)同时与所述第一密封件(14)和压环(16)抵接。
  7. 根据权利要求6所述的漏缆连接器的安装结构,其特征在于,所述外壳(15)具有与所述线夹(4)配合的锥面,以在外力作用下对所述线夹(4)施加径向压紧力。
  8. 根据权利要求1至7任一项所述的漏缆连接器的安装结构,其特征在于,在所述第一壳体(1)与所述第二壳体(2)的接触面上设有环形槽(17),所述环形槽(17)内设有第二密封件(18)。
  9. 根据权利要求1至8任一项所述的漏缆连接器的安装结构,其特征在于,所述第一壳体(1)和第二壳体(2)过盈装配。
  10. 一种漏缆连接器,其特征在于,包括权利要求1至9任一项所述的漏缆连接器的安装结构。
PCT/CN2021/092288 2020-09-27 2021-05-08 一种漏缆连接器的安装结构及漏缆连接器 WO2022062418A1 (zh)

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