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Miniature radio-frequency coaxial connector and contact element thereof

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Publication number
CN101604808B
CN101604808B CN 200910304895 CN200910304895A CN101604808B CN 101604808 B CN101604808 B CN 101604808B CN 200910304895 CN200910304895 CN 200910304895 CN 200910304895 A CN200910304895 A CN 200910304895A CN 101604808 B CN101604808 B CN 101604808B
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CN
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Grant
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Prior art keywords
conductor
outer
bushing
frequency
coaxial
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CN 200910304895
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Chinese (zh)
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CN101604808A (en )
Inventor
孙晓军
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中航光电科技股份有限公司
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Abstract

The invention relates to a radio-frequency coaxial contact element, and also relates to a miniature radio-frequency coaxial connector, wherein the radio-frequency coaxial contact element comprises an outer conductor and an inner conductor which is coaxially sealed and insulated and fixedly threaded in the outer conductor, wherein a sealed glass cake is sintered between the outer conductor and theinner conductor; a matched bushing of which the inner end face is in push-stop fit with the sealed glass cake is correspondingly inserted in at least the small-aperture side of the outer conductor; the matched bushing is in close contact and conductive fit with the outer conductor; and the inner conductor passes through the bushing and is exposed outside the outer end face of the matched bushing.The outer conductor of the radio-frequency coaxial contact element adopts a split structure. When the sealed glass cake is fired, the matched bushing is not inserted in the outer conductor, thus the minimum interval between the outer conductor and the inner conductor is expanded so as to thicken the wall of a graphite die, and then the graphite die has enough strength to meet demoulding after firing. After demoulding is over, the matched bushing is correspondingly inserted in the outer conductor to carry out impedance matching.

Description

一种微型射频同轴连接器及其接触件 A miniature RF coaxial connector and contact

技术领域 FIELD

[0001] 本发明涉及一种微型射频同轴连接器(MMTC),同时还涉及一种用于微型射频同轴连接器内的射频同轴接触件。 [0001] The present invention relates to a miniature RF coaxial connector (MMTC), and also relates to radio frequency coaxial contacts for the micro RF coaxial connector.

背景技术 Background technique

[0002] 目前,现有的射频同轴连接器其连接器壳体与射频同轴接触件之间,及射频同轴接触件的内、外导体之间均采用橡胶支撑环的结构来进行密封。 [0002] Currently, existing between the RF coaxial connector with a connector housing which RF coaxial contact member, and the RF coaxial contact, the outer conductor structures are used between the rubber support ring to seal . 但是,由于橡胶材质容易出现老化现象,随着橡胶材质的老化,连接器的密封效果也会随之下降,严重时甚至完全丧失密封效果。 However, since the rubber material prone to aging, with the aging of rubber material, the connector sealing effect will drop, serious or even complete loss of sealing effect. 就目前的技术来说,采用烧结的密封玻璃饼来进行密封处理是一个较理想的密封形式。 Current technology, the use of sealed glass sintered cake to be sealed is sealed in the form of a more ideal. 但是,在微型射频同轴连接器领域内,还没有一种采用密封玻璃饼作为密封体的射频同轴连接器。 However, in the field of micro RF coaxial connectors, there is not a sealed glass cake as RF coaxial connector sealing member. 因为在微型射频同轴连接器中,其射频同轴接触件的外导体与内导体之间的最小间距只有Imm左右,在此Imm左右的间距内设置石墨模来进行玻璃饼的烧结,由于内、外导体之间的间距小,致使石墨模的壁厚较薄,不具有足够的强度,当密封玻璃饼烧结后在脱模时石墨模被拉断,一部分驻留于射频同轴接触件内,由于石墨是导体,驻留在射频同轴接触件内的石墨会将内、外导体,这样就造成射频同轴接触件加工失败。 Since the micro RF coaxial connector, only Imm minimum spacing between the RF coaxial outer conductor which contacts with the inner conductor around, disposed within the graphite mold around the pitch Imm this cake to sintered glass, the inner , the spacing between the outer conductor is small, resulting in a thinner wall thickness of the graphite mold, does not have sufficient strength, when pulled off when the graphite mold release after the sealing glass sinter cake, residing in RF coaxial inner portion of the contact member Since graphite is a conductor, the graphite will reside within RF coaxial contact, the outer conductor, thus causing the RF coaxial contact member working failure.

发明内容 SUMMARY

[0003] 本发明的目的是提供一种射频同轴接触件,用以解决现有的微型射频同轴接触件不能采用烧结玻璃饼进行密封的问题,同时还提供一种使用该射频同轴接触件的微型射频同轴连接器。 [0003] The object of the present invention is to provide a RF coaxial contact, to solve the conventional micro RF coaxial contact member is not a sintered glass cake sealing problem, but also to provide an RF coaxial contact the member micro RF coaxial connectors.

[0004] 为实现上述目的,本发明采用如下技术方案:一种射频同轴接触件,包括外导体和同轴密封绝缘固定穿设于外导体内的内导体,所述外导体与内导体之间烧结有密封玻璃饼,所述外导体至少孔径小的一侧吻合插装有一个内端面与密封玻璃饼顶止配合的匹配衬套,匹配衬套与外导体紧密接触导电配合,内导体从衬套中穿过并外露于匹配衬套的外端面之外。 [0004] To achieve the above object, the present invention adopts the following technical solution: A radio frequency coaxial contact member, including an inner conductor and an outer conductor coaxially disposed through the sealing insulating fixing the outer conductor, the outer conductor and the inner conductor between the sealing glass sinter cake, of at least one side of the pore size of the outer conductor is inserted with a fit within the top end surface of the sealing glass cake with matching locking bush, the bush matching with the outer conductor in intimate contact with the conductive inner conductor from through the liner and the outer end surface is exposed outside of the liner match.

[0005] 所述匹配衬套外端面与外导体内壁之间形成与对应接触件轴向限位配合的定位台阶。 [0005] The outer liner matching stepped end surface is formed with the positioning member in contact with the corresponding axial stop between the inner wall of the outer conductor.

[0006] 所述外导体与内导体之间紧密夹装有位于外导体孔径大的一侧的第一支撑环,第一支撑环的内端面与密封玻璃饼顶止配合;所述匹配衬套与内接触件之间紧密夹装有第二支撑环,第二支撑环的内端面与密封玻璃饼顶止配合。 [0006] positioned close first support ring interposed large aperture side of the outer conductor between said outer conductor and the inner conductor, the inner face of the first support ring and the sealing glass top stop fitting cake; matching said liner between the inner contact and the second support ring is interposed close, the end surface of the second support ring and the sealing glass top stop fitting cake.

[0007] —种微型射频同轴连接器,包括连接器壳体和同轴密封绝缘固定穿设于连接器壳体内的射频同轴接触件,所述射频同轴接触件,包括外导体和同轴密封绝缘固定穿设于外导体内的内导体,所述外导体与内导体之间烧结有密封玻璃饼,所述外导体至少孔径小的一侧吻合插装有一个内端面与密封玻璃饼顶止配合的匹配衬套,匹配衬套与外导体紧密接触导电配合,内导体从衬套中穿过并外露于匹配衬套的外端面之外。 [0007] - species of micro RF coaxial connector, comprising a connector housing and coaxially disposed through the sealing insulating fixing RF coaxial contact member in the connector housing, the radio frequency coaxial contact member, and includes an outer conductor with insulating seal fixed to a side of the shaft disposed through the inner conductor of the outer conductor, the sintered cake sealing glass between the outer conductor and the inner conductor, the outer conductor is at least a small aperture with a plug fit with the inner end surface of the sealing glass cake a top locking liner with matching, the matching liner into close contact with the outer conductor with the conductive inner conductor exposed through and beyond the outer end face of the bush matching liner.

[0008] 所述连接器壳体与射频同轴接触件之间烧结有外密封玻璃饼。 [0008] The connector has an outer sintered glass seal between the housing and the cake RF coaxial contact member. [0009] 所述外密封玻璃饼与密封玻璃饼同时烧结成型。 [0009] The outer sealing glass and the sealing glass cake-cake sintering.

[0010] 所述匹配衬套外端面与外导体内壁之间形成与对应接触件轴向限位配合的定位台阶。 [0010] The outer liner matching stepped end surface is formed with the positioning member in contact with the corresponding axial stop between the inner and outer conductors.

[0011] 所述外导体与内导体之间紧密夹装有位于外导体孔径大的一侧的第一支撑环,第一支撑环的内端面与密封玻璃饼顶止配合;所述匹配衬套与内接触件之间紧密夹装有第二支撑环,第二支撑环的内端面与密封玻璃饼顶止配合。 [0011] positioned close first support ring interposed large aperture side of the outer conductor between said outer conductor and the inner conductor, the inner face of the first support ring and the sealing glass top stop fitting cake; matching said liner between the inner contact and the second support ring is interposed close, the end surface of the second support ring and the sealing glass top stop fitting cake.

[0012] 本发明的射频同轴接触件其外部导体采用分体的结构,即由同轴吻合导电插装的外导体和匹配衬套组成。 [0012] The present invention is RF coaxial outer conductor, a contact member which is separate structure, i.e., an outer conductor conductive stapling cartridge by matching and coaxial bushing composition. 在进行密封玻璃饼烧制时,匹配衬套未插装入到外导体内,这样就扩大了外导体与内导体之间的最小间距,由于外导体与内导体之间的最小间距变大,使得在烧制时采用的石墨模的壁厚得以加厚,从而使石墨模具有了足够的强度来满足烧制后的脱模。 During the sealing glass cake baking, matching the liner is not inserted and fitted into the outer conductor, thus expanding the minimum spacing between the outer conductor and the inner conductor, due to the minimum spacing between the inner conductor and the outer conductor becomes large, so that the wall thickness of the graphite mold employed in firing is thickened, so that the graphite mold with sufficient strength to meet the release after firing. 当脱模结束后将匹配衬套吻合导电插入到外导体内来进行阻抗匹配。 After the completion of the release liner when the match fit is inserted into the outer conductor conductive to perform impedance matching.

[0013] 射频同轴接触件内密封玻璃饼的两侧分别设有第一支撑环和第二支撑环,因为该射频同轴接触件是用在微型射频同轴连接器内的,其内接触件的直径较小,当内接触件的两端悬伸量较大时,接触件的刚度不能满足插接的需要,密封玻璃饼的两侧设置了支撑环后减小内接触件的悬伸量,提高了接触件两端的刚度,避免了接触件在插接时出现弯折的问题。 [0013] RF coaxial contact both sides of the seal are provided with a glass cake first support ring and a second support ring, since the RF coaxial contact member is in the micro RF coaxial connector, which contacts the inner the small diameter member, when both ends of the inner member contacts the overhang is large, the rigidity of the contact member can not meet the needs of the plug, is provided on both sides of the sealing glass after the cake support ring overhanging the contact piece is reduced amount, increases the rigidity at both ends of the contact, avoid the problem of the bending occurs when the contact plug. 另外,第二支撑环对匹配衬套具有径向向外的顶推力,使得匹配衬套与外导体的导电接触更加可靠。 Further, the second support ring having a pair of matching a top liner radially outward force, so that the conductive contact with the outer conductor match liner more reliable. 当然,若内接触件自身具有足够的刚度的话,可以不用在密封玻璃饼两侧设置支撑环。 Of course, if the inner contact member itself has a sufficient rigidity, it can not support ring disposed on both sides of the sealing glass cake.

附图说明 BRIEF DESCRIPTION

[0014] 图1是本发明射频同轴接触件的一种实施例的结构示意图; [0014] FIG. 1 is a schematic structural diagram of a coaxial radio frequency contact to an embodiment of the present invention;

[0015] 图2是本发明微型射频同轴连接器的一种实施例结构示意图。 [0015] FIG. 2 of the present invention is a miniature RF coaxial connector schematic structural embodiment.

具体实施方式 detailed description

[0016] 图1所示,本发明的射频同轴接触件的一种实施例,包括一个外导体1,外导体1内设有一个与外导体ι同轴的内导体2,外导体1与内导体2之间烧结有一个密封玻璃饼4, 该密封玻璃饼4位于该射频同轴接触件的中部。 [0016] As shown in FIG. 1, a radio frequency coaxial contact member according to the present embodiment of the invention, comprising an outer conductor 1, the inner conductor an outer conductor 1 equipped with a coaxial outer conductor ι 2, and an outer conductor sintering between the inner conductor 2 has a sealing glass cake 4, the sealing glass in the middle of the cake 4 RF coaxial contact. 外导体1孔径小的一侧吻合插装有一个与密封玻璃饼4顶止配合的匹配衬套5,匹配衬套5与外导体1导电接触。 A small pore side anastomosis outer conductor is provided with a sealing glass is inserted cake with four matching locking sleeve 5, the bushing 51 matches conductive contact with the outer conductor. 同时,外导体1孔径大的一侧设有第一支撑环3,匹配衬套内设有第二支撑环6。 Meanwhile, the large aperture side of the outer conductor is provided with a first support ring 3, matching sleeve 6 equipped with the second support ring.

[0017] 制造工艺 [0017] The manufacturing process

[0018] 图2所示,本发明的微型射频同轴连接器的一种实施例,包括一个连接器壳体8, 连接器壳体8内设有射频同轴接触件,连接器壳体8与射频同轴接触件之间烧结有一个外密封玻璃饼7。 [0018] As shown in FIG. 2, a miniature RF coaxial connector according to the present embodiment of the invention, comprising a connector housing 8, the connector housing 8 includes the RF coaxial contacts, the connector housing 8 RF coaxial contact between the member and has an outer sintered glass seal 7 cake. 其中,射频同轴接触件包括一个外导体1,外导体1内设有一个与外导体1 同轴的内导体2,外导体1与内导体2之间烧结有一个密封玻璃饼4,该密封玻璃饼4位于该射频同轴接触件的中部。 Wherein the inner conductor comprises an RF coaxial outer conductor contact member 1, an outer conductor features a coaxial outer conductor 1 2, is sintered between the outer conductor 2 and the inner conductor 1 in a sealed glass cake 4, the seal the cake in the middle of the glass 4 RF coaxial contact. 外导体1孔径小的一侧吻合插装有一个与密封玻璃饼4顶止配合的匹配衬套5,匹配衬套5与外导体1导电接触。 A small pore side anastomosis outer conductor is provided with a sealing glass is inserted cake with four matching locking sleeve 5, the bushing 51 matches conductive contact with the outer conductor. 同时,外导体1孔径大的一侧设有第一支撑环3,匹配衬套内设有第二支撑环6。 Meanwhile, the large aperture side of the outer conductor is provided with a first support ring 3, matching sleeve 6 equipped with the second support ring.

[0019] 另外,本发明的微型射频同轴连接器可以设置多个射频同轴接触件。 [0019] Further, micro RF coaxial connector according to the present invention may be provided a plurality of RF coaxial contacts.

[0020] 本发明的微型射频同轴连接器的制作过程是:首先将内、外导体同轴设置,然后在外导体的一端安装石墨模,安装过石墨模后向外导体内加入玻璃粉,当玻璃粉的加入量达到要求后在装入一个石墨模,使得玻璃粉夹于两石墨模之间。 [0020] The micro RF coaxial connector of the present invention is the production process: First, the outer conductor disposed coaxially and mounted at one end of the outer conductor of the graphite mold, installed outside the conductor glass frit was added graphite mold, when after addition of glass frit to meet the requirements of the load, a graphite mold, so that the glass powder sandwiched between two graphite mold. 将填装过玻璃粉的并通过石墨模被固定在一起的内、外导体放置于连接器壳体内,并在连接器壳体的一侧安装石墨模, 然后往连接器壳体内加入适量的玻璃粉,然后在连接器壳体的另一侧再安装一个石墨模, 使得玻璃粉位于上述两石墨模之间。 The glass frit is filled through the graphite mold and are secured together by inner and outer conductor is placed within the connector housing, and is mounted on one side of the graphite mold the connector housing, the connector housing and then to an appropriate amount of glass powder, and then on the other side of the connector housing to install a graphite mold, such that the glass powder is located between the two graphite mold. 待填充玻璃粉接触后将上述组装在一起的部件进形烧结。 After contact with the glass frit to be filled member are assembled together into a sintered form. 烧结过后内、外导体之间形成了密封玻璃饼,连接器壳体与外导体之间形成了外密封玻璃饼。 After the sintering, the glass seal is formed between the outer conductor cake, the cake is formed between the outer glass seal connector housing and the outer conductor. 随后对石墨模进行脱模,待脱模结束后将匹配衬套导电插装进外导体的小径端,并与密封玻璃饼顶止配合,再之后分别将第一、第二支撑环装入到外导体及匹配衬套中,这样就完成了该微型射频同轴连接器的制造。 Subsequently demolding graphite mold, after the completion of the release liner to match the conductive plug put into the small-diameter end of the outer conductor and the sealing glass pie with top dead center, respectively, then after the first, was charged to the second support ring and matching the outer conductor bushing, thus completing the fabrication of the micro RF coaxial connector.

Claims (8)

1. 一种射频同轴接触件,包括外导体和同轴密封绝缘固定穿设于外导体内的内导体, 其特征在于:所述外导体与内导体之间烧结有密封玻璃饼,所述外导体至少孔径小的一侧吻合插装有一个内端面与密封玻璃饼顶止配合的匹配衬套,匹配衬套与外导体紧密接触导电配合,内导体从衬套中穿过并外露于匹配衬套的外端面之外。 1. A radio frequency coaxial contact member, and includes an outer conductor coaxially disposed through the sealing insulating fixing the inner conductor of the outer conductor, wherein: cakes sintered glass sealing between the inner conductor and the outer conductor, the at least one side of the outer conductor of a small aperture with a plug fit within the top end surface of the sealing glass stopper cake liner with matching, the matching with the outer conductor sleeve in close contact with the conductive fitting, the inner conductor through the bushing and exposed to the matching the liner outer end face outside.
2.根据权利要求1所述的射频同轴接触件,其特征在于:所述匹配衬套外端面与外导体内壁之间形成与对应接触件轴向限位配合的定位台阶。 The RF coaxial contact member as claimed in claim 1, wherein: a positioning step formed between the mating end face of the outer liner corresponding to the inner wall of the outer conductor in contact with the axial stop member.
3.根据权利要求1或2所述的射频同轴接触件,其特征在于:所述外导体与内导体之间紧密夹装有位于外导体孔径大的一侧的第一支撑环,第一支撑环的内端面与密封玻璃饼顶止配合;所述匹配衬套与内导体之间紧密夹装有第二支撑环,第二支撑环的内端面与密封玻璃饼顶止配合。 The RF coaxial contact member of claim 1 or claim 2, wherein: the first support ring tightly interposed in the large side of the outer conductor aperture positioned between the outer conductor and the inner conductor, a first the inner end surface of the support ring and the sealing glass top stop fitting cake; closely matching the second support ring is interposed between the bush and the inner conductor, the inner end surface of the second support ring and the sealing glass top stop fitting cake.
4. 一种微型射频同轴连接器,包括连接器壳体和同轴密封绝缘固定穿设于连接器壳体内的射频同轴接触件,其特征在于:所述射频同轴接触件,包括外导体和同轴密封绝缘固定穿设于外导体内的内导体,所述外导体与内导体之间烧结有密封玻璃饼,所述外导体至少孔径小的一侧吻合插装有一个内端面与密封玻璃饼顶止配合的匹配衬套,匹配衬套与外导体紧密接触导电配合,内导体从衬套中穿过并外露于匹配衬套的外端面之外。 A micro RF coaxial connector, comprising a connector housing and coaxially disposed through the sealing insulating fixing RF coaxial contact member in the connector housing, wherein: said RF coaxial contact member comprises an outer insulating seal fixed conductor and a coaxial inner conductor disposed through the outer conductor of sintered glass cake sealing between the inner conductor and the outer conductor, at least one side of the pore size of the outer conductor is inserted with a fit with the inner end surface seal glass wafer cover matching with the locking bush, the bush matching with the outer conductor in intimate contact with the conductive inner conductor exposed through and beyond the outer end face of the bush matching liner.
5.根据权利要求4所述的微型射频同轴连接器,其特征在于:所述连接器壳体与射频同轴接触件之间烧结有外密封玻璃饼。 According to claim micro RF coaxial connector of claim 4, wherein: said connector has an outer sintered glass seal between the housing and the cake RF coaxial contact member.
6.根据权利要求5所述的微型射频同轴连接器,其特征在于:所述外密封玻璃饼与密封玻璃饼同时烧结成型。 The micro RF coaxial connector according to claim 5, wherein: said outer glass seal and the sealing glass cake-cake sintering.
7.根据权利要求4、5或6所述的微型射频同轴连接器,其特征在于:所述匹配衬套外端面与外导体内壁之间形成与对应接触件轴向限位配合的定位台阶。 According to claim micro RF coaxial connector 4, 5 or 6, wherein: a positioning step formed between the mating end face of the outer sleeve corresponding to the inner wall of the outer conductor in contact with the axial stop member cooperating .
8.根据权利要求7所述的微型射频同轴连接器,其特征在于:所述外导体与内导体之间紧密夹装有位于外导体孔径大的一侧的第一支撑环,第一支撑环的内端面与密封玻璃饼顶止配合;所述匹配衬套与内导体之间紧密夹装有第二支撑环,第二支撑环的内端面与密封玻璃饼顶止配合。 According to claim micro RF coaxial connector of claim 7, wherein: the first support ring interposed tightly large aperture side of the outer conductor located between the inner conductor and the outer conductor, the first support the inner ring end surface of the sealing glass top stop fitting cake; closely matching the second support ring is interposed between the bush and the inner conductor, the inner end surface of the second support ring and the sealing glass top stop fitting cake.
CN 200910304895 2009-07-28 2009-07-28 Miniature radio-frequency coaxial connector and contact element thereof CN101604808B (en)

Priority Applications (1)

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CN 200910304895 CN101604808B (en) 2009-07-28 2009-07-28 Miniature radio-frequency coaxial connector and contact element thereof

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Publication number Priority date Publication date Assignee Title
CN102148445B (en) * 2010-12-11 2014-02-12 中航光电科技股份有限公司 Radio frequency (RF) coaxial connector
CN102214864A (en) * 2011-04-13 2011-10-12 常州市武进凤市通信设备有限公司 Sealed connector
CN104009361B (en) * 2014-06-12 2015-11-18 泰州市航宇电器有限公司 A glass micro-sealing method of manufacturing an electrical connector

Citations (6)

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Publication number Priority date Publication date Assignee Title
US4720271A (en) 1985-11-29 1988-01-19 Radiall Industrie Hermetic coaxial connector
CN87207224U (en) 1987-06-20 1988-01-27 上海无线电十六厂 Rf coaxial connector
US5563562A (en) 1995-03-24 1996-10-08 Itt Industries, Inc. RF feed-through connector
CN2319932Y (en) 1997-07-22 1999-05-19 北京三维电器公司 RF coaxial connector
CN201113044Y (en) 2007-06-25 2008-09-10 西安科耐特科技有限责任公司 MInitype bayonet-type radio frequency coaxial connector
CN201498825U (en) 2009-07-28 2010-06-02 中航光电科技股份有限公司 Micro radiofrequency coaxial connector and contact element thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720271A (en) 1985-11-29 1988-01-19 Radiall Industrie Hermetic coaxial connector
CN87207224U (en) 1987-06-20 1988-01-27 上海无线电十六厂 Rf coaxial connector
US5563562A (en) 1995-03-24 1996-10-08 Itt Industries, Inc. RF feed-through connector
CN2319932Y (en) 1997-07-22 1999-05-19 北京三维电器公司 RF coaxial connector
CN201113044Y (en) 2007-06-25 2008-09-10 西安科耐特科技有限责任公司 MInitype bayonet-type radio frequency coaxial connector
CN201498825U (en) 2009-07-28 2010-06-02 中航光电科技股份有限公司 Micro radiofrequency coaxial connector and contact element thereof

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