CN201413919Y - Difference contact couple and difference connector - Google Patents

Difference contact couple and difference connector Download PDF

Info

Publication number
CN201413919Y
CN201413919Y CN 200920088897 CN200920088897U CN201413919Y CN 201413919 Y CN201413919 Y CN 201413919Y CN 200920088897 CN200920088897 CN 200920088897 CN 200920088897 U CN200920088897 U CN 200920088897U CN 201413919 Y CN201413919 Y CN 201413919Y
Authority
CN
Grant status
Grant
Patent type
Prior art keywords
hole
insulator
provided
contact
outer
Prior art date
Application number
CN 200920088897
Other languages
Chinese (zh)
Inventor
磊 张
Original Assignee
中航光电科技股份有限公司
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
Grant date

Links

Abstract

The utility model relates to a difference connector which comprises a casing, an insulating body and a difference contact couple, wherein the insulating body is sealed and mounted in the casing; the difference contact couple comprising an external pin is sealed and inserted into the insulating body; a through hole penetrating through the front and back end surfaces of the external pin is formed inside the external pin; an insulator is axially positioned at the front section of the through hole; a compression ring is axially positioned on the back surface of the insulator in the through hole; an elastic sealing body is pressed and arranged between the insulator and the compression ring; the outer peripheral surface of the elastic sealing body is in seal fit with the wall of the through holeof the external pin; central contact components penetrate through the insulator; contact component mounting holes which are used for the insertion of the central contact components and are in seal fit with the central contact components are formed in the elastic sealing body; the rear ends of the central contact components pass through the elastic sealing body; and at least one sealing ring is arranged on the outer side of the external pin. The difference connector is provided with a seal structure, which realizes seal function and meets the requirements for sealing of the difference connector under bad working conditions.

Description

一种差分接触偶及差分连接器 A differential coupling and differential connector contacts

技术领域 FIELD

本实用新型涉及一种差分接触偶,同时还涉及一种差分连接器。 The present invention relates to a dual differential contacts, and also relates to a differential connector. 背景技术 Background technique

差分信号因其抗干扰性强、传输速率高,因而被广泛应用于数据传输技术领域。 A differential signal because of interference is strong, high transmission rate, which is widely used in technical field of data transmission. 随着差分信号的广泛应用,目前,市场上也出现了较多的差分连接器, With the extensive application of differential signals, at present, the market also appeared more differential connector,

但是,现有的差分连接器其差分接触偶不具备密封性,如图4所示,现有差分接触偶,包括外针20,外针20内通过绝缘体21固定插配有中心针22,其中, 外针20与绝缘体21之间、绝缘体21与中心针22之间及外针20的外侧周向上均没有密封结构,这样使得差分连接器同样不具备密封性。 However, the conventional differential connector coupling which does not have a differential in contact tightness, even the conventional differential the contact shown in Figure 4, comprises an outer needle 20, into the outer needle 20 is inserted through an insulator 21 is fixed with a center pin 22, wherein , between the outer needle 20 and the insulator 21, the insulator 21 and the center pin 22 between the outer periphery and the outer needle 20 are not sealed up structure, such that the difference does not have the same connector sealing. 随着差分信号应用的深入,应用的环境范围也在不断扩大,在某些特定的使用环境下要求差分连接器必须具有密封功能才能正常工作,显然现有的差分连接器以不能满足此种使用环境的需要。 With the deepening of the differential signal applications, the environment is also expanding range of applications, under certain environmental requirements must differential connector has a sealing function to work properly, it is clear the existing differential connectors to such use can not meet needs of the environment. 实用新型内容 SUMMARY

本实用新型的目的是提供一种差分接触偶,同时还提供一种差分连接器, 用以解决现有差分连接器不具备密封功能问题。 The object of the present invention is to provide a differential coupling in contact, and also to provide a differential connector, to solve the conventional differential connector does not have the problem of sealing function.

为实现上述目的,本实用新型采用如下技术方案: 一种差分接触偶,该差分接触偶包括外针,外针内设有贯通其前后端面的通孔,该通孔的前段轴向定位设有绝缘子,通孔内于绝缘子的后面轴向定位设有压环,绝缘子与压环之间压设有弹性密封体,弹性密封体外周面与外针通孔的孔壁密封配合,绝缘子内穿设有中心接触件,所述弹性密封体内设有供各个中心接触件穿插并与各中心接触件密封配合的接触件安装孔,所述中心接触件的后端穿出弹性密封体,外针的外侧至少设有一道密封圈。 To achieve the above object, the present invention adopts the following technical solution: A differential coupling the contact, the contact of the differential coupling comprising an outer needle, an outer needle equipped with a through hole through which the front and rear end face, the axial positioning of the front section is provided with a through hole insulator, the insulator through hole positioned axially behind the pressure ring is provided, pressure is provided between the insulator and the elastomeric compression ring seal, an elastic sealing outer peripheral surface of the outer wall of the needle hole sealing engagement through hole, disposed through the insulator a central contact member, said resilient sealing body is provided for each center contact is inserted and a contact member that engages with the mounting hole center contact seal, the rear end of the center contact of the outer elastomeric seal piercing member, the outer needle provided with at least one ring. 所述弹性密封体的外周靠近绝缘子的部分为锥面,该锥面与对应的外针通孔的孔壁上设置的锥面压紧配合。 An outer periphery of said resilient sealing member close to the insulator portion is tapered, the tapered surface of the tapered hole provided on the wall of the outer needle through hole corresponding press fit.

所述中心接触件的后部插设有转接接触件。 The rear center contact plug adapter is provided with contacts.

所述外针中的通孔的后段螺接有紧固螺母,紧固螺母的前端顶压于压环的后定位面上。 Rear section of the screw through hole in the outer needle connected with a fastening nut, the fastening nut is pressed against the front end to the rear positioning surface of the pressure ring.

所述外针的后端套设有屏蔽套。 The rear end of the outer sleeve with the needle shielding sheath.

一种差分连接器,包括壳体、绝缘体和差分接触偶,所述绝缘体密封安装于壳体内,所述差分接触偶密封插配于绝缘体内,该差分接触偶包括外针,外针内设有贯通其前后端面的通孔,该通孔的前段轴向定位设有绝缘子,通孔内于绝缘子的后面轴向定位设有压环,绝缘子与压环之间压设有弹性密封体,弹性密封体外周面与外针通孔的孔壁密封配合,绝缘子内穿设有中心接触件,所述弹性密封体内设有供各个中心接触件穿插并与各中心接触件密封配合的接触件安装孔,所述中心接触件的后端穿出弹性密封体,外针的外侧至少设有一道密封圈。 A differential connector comprising a housing, an insulator and a differential coupling contacts, said insulator is mounted within the seal housing, the differential coupling seal mating contacts in the insulator, the contact of the differential coupling comprising an outer needle, an outer needle equipped with a through hole through which the front and rear end face, the axial positioning of the front section is provided with the insulator through hole, the through hole in the back of the insulator axial positioning of the pressure ring is provided, an elastic pressure seal, an elastic sealing between the insulator and the pressure ring outer peripheral surface of the outer walls of the bore hole through the needle sealing engagement, through the insulator provided with a central contact, said resilient sealing body is provided with contact holes for mounting each center contact interspersed with the center contact and sealing engagement, the rear end of the center contact of piercing the elastic sealing member, is provided outside the outer needle at least one sealing ring.

所述弹性密封体的外周靠近绝缘子的部分为锥面,该锥面与对应的外针通孔的孔壁上设置的锥面压紧配合。 An outer periphery of said resilient sealing member close to the insulator portion is tapered, the tapered surface of the tapered hole provided on the wall of the outer needle through hole corresponding press fit.

所述中心接触件的后部插设有转接接触件。 The rear center contact plug adapter is provided with contacts.

所述外针中的通孔的后段螺接有紧固螺母,紧固螺母的前端顶压于压环的后定位面上。 Rear section of the screw through hole in the outer needle connected with a fastening nut, the fastening nut is pressed against the front end to the rear positioning surface of the pressure ring.

所述外针的后端套设有屏蔽套。 The rear end of the outer sleeve with the needle shielding sheath.

上述方案的差分连接器,其壳体内通过差分接触偶轴向的密封圈密封插设有差分接触偶,该差分接触偶包括外针,外针的通孔内设有一个弹性密封体, 弹性密封体的两侧分别设有绝缘子和压环,绝缘子和压环紧压弹性密封体,使弹性密封体发生弹性变形向内抱紧中心接触件,向外紧顶外针的内壁,这样就备了密封结构,实现了密封功能,满足了恶劣工况环境下对差分连接器密封性的要求。 Differential connector of the above embodiment, the differential housing by a sealing ring which contacts the sealing plug axial coupling is provided in contact with the differential pair, the differential coupling comprises contacting an outer needle, an outer needle through hole is provided with an elastic sealing member, the elastic seal are respectively provided on both sides of the insulator body and the press ring, insulator and ferrule pressed resilient sealing member, the elastic seal member is elastically deformed inwardly hold the central contact member, the inner wall of the outer needle outwardly tight top, thus prepared seal structure to achieve the sealing function, to meet the harsh environmental conditions of the differential connector sealing requirements.

另外,该弹性密封体的外周靠近绝缘子的部分为锥面,与对应的外针通孔的孔壁上设置的锥面压紧配合,采用锥面的方式配合,在弹性密封体受到压力时其具有足够大的变形来实现密封功能。 Further, the outer periphery of the resilient sealing member close to the insulator portion is tapered, with the taper press-fit hole provided on the wall of the through hole corresponding to the outer needle, the use of mating tapered manner, in which the elastic sealing member under pressure having sufficient deformation to achieve a sealing function. 附图说明 BRIEF DESCRIPTION

图1是本实用新型差分接触偶实施例1的结构示意图; 图2是本实用新型差分接触偶实施例2的结构示意图; 图3是本实用新型差分连接器的机构示意图; 图4是现有差分接触偶的结构示意图。 FIG 1 is a schematic structural diagram of an embodiment of the present invention the contact differential coupling embodiment; FIG. 2 is a schematic structural diagram of embodiment 2 of the present invention the contact differential coupling embodiment; FIG. 3 is a schematic view of a differential mechanism of the present invention connector; FIG. 4 is a conventional even a schematic structural diagram of a differential contacting. 具体实施方式 detailed description

图1所示本实用新型差分接触偶的实施例1,包括外针2,外针2内具有贯穿其前后端面的通孔,通孔的前部设有凸台11,通孔的前段穿设有通过凸台11轴向定位的绝缘子3,绝缘子3的后端设有压环6,压环6与绝缘子3之间夹设有一个弹性密封体5,弹性密封体5的外周靠近绝缘子的部分为锥面,该锥面与对应的外针2通孔的孔壁上设置的锥面压紧配合,穿设于绝缘子3内的插针接触件1的后端穿过弹性穿出弹性密封体5,弹性密封体5向内抱紧插针接触件l,向外紧顶外针2。 1 of the present invention shown in contact with the dual differential embodiment of FIG 1, comprises an outer needle 2, the outer needle 2 has a through hole through which the front and rear end faces, a front portion provided with a boss through hole 11, the through-hole bored preceding a positioning boss 11 in the axial direction by the insulator 3, the rear end of the insulator 3 is provided with a pressure ring 6, a pressure ring interposed elastic sealing body 5, the elastic portion 5 adjacent to the outer periphery of the insulator and the sealing member 6 between the insulator 3 a tapered surface, the tapered surface of the tapered hole provided on the wall of the outer needle 2 through hole corresponding press fit, through the rear end of the pin contacts disposed within the insulator member 31 through the elastic sealing body piercing the elastic 5, the elastic sealing body 5 inwardly hold pin contact L, the outer needle 2 outwardly tight top. 外针2的后端螺接有一个紧固螺母7,紧固螺母7 的前端面紧压在压环6的后定位面上,另外,外针2的后部套设有一个屏蔽套10。 The rear end of the outer needle 2 is connected with a screw fastening nut 7, the front end face of the fastening nut 7 is pressed against the rear positioning surface of the pressure ring 6, in addition, the rear outer sleeve 2 is provided with a needle shield sleeve 10. 插针接触件1的后部插装有转接接触件8,外针2的外侧设有两道O型密封圈4。 A rear plug pin contact 1 with the contact adapter 8, the needle 2 provided outside the outer O-ring 4 prescribe.

图2所示本实用新型差分接触偶的实施例2,其与实施例1的不同之处在于使用插孔接触件9取代插针接触件1。 Embodiment shown in FIG. 2 embodiment of the present invention, the differential coupling contacts 2, which differs from the embodiment in Example 1 in that the use of 9-substituted socket contact pin contact 1.

图l、图3所示本实用新型的差分连接器,包括壳体12,壳体12内设有贯通壳体前、后端面的绝缘体安装腔,绝缘体安装腔的中部固设有一个环台, FIG. L, as shown in FIG. 3 of the present invention differential connector, includes a housing 12, a front housing 12 through the housing equipped, the rear end surface of the mounting cavity of the insulator, the insulator mounted central chamber is provided with a ring fixed station,

绝缘体安装腔内通过此环台轴向定位安装有一个后绝缘体15,后绝缘体15的前端安装有一个固定于绝缘体安装腔内的前绝缘体14,前绝缘体14与后绝缘体15之间设有同轴的差分接触偶安装孔,差分接触偶安装孔内插配有差分接触偶13,其中,差分接触偶13包括外针2,外针2内具有贯穿其前后端面的通孔,通孔的前部设有凸台11,通孔的前段穿设有通过凸台11轴向定位的绝缘子3,绝缘子3的后端设有压环6,压环6与绝缘子3之间夹设有一个弹性密封体5,弹性密封体5的外周靠近绝缘子的部分为锥面,该锥面与对应的外针2通孔的孔壁上设置的锥面压紧配合,穿设于绝缘子3内的插针接触件1的后端穿出弹性密封体5,弹性密封体5向内抱紧插针接触件1,向外紧顶外针2。 This mounting cavity through the insulator ring mounted axially positioned station has a rear insulator 15, the insulator 15 is attached to an end fixed to the insulator has a front insulator mounting cavity 14, the front insulator 14 is provided between the insulator 15 and coaxially mounting a contact hole coupling the differential, the differential coupling mounting hole in contact with a mating contact with differential coupling 13, wherein the differential contacting coupling 13 includes an outer needle 2, the outer needle 2 has a front portion through which the front and rear end surfaces of the through hole, the through hole is provided with projections 11, through the pre-stage is provided by the through-hole 11 axially positioned boss insulator 3, the rear end of the insulator 3 is provided with a pressure ring 6. the pressure ring is provided with an elastic sealing member interposed between the insulator 3 and 6 5, the elastic sealing body 5 near the outer peripheral portion of the insulator is tapered, the tapered surface of the tapered hole provided on the wall of the outer needle 2 through hole corresponding press fit, through the contact pin disposed in the insulator 3 the rear end of a piercing the elastic sealing body 5, the elastic sealing body 5 inwardly hold pin contact 1, the outer needle 2 outwardly tight top. 外针2的后端螺接有一个紧固螺母7,紧固螺母7的前端面紧压在压环6的后定位面上,另外,外针2的后部套设有一个屏蔽套10。 The rear end of the outer needle 2 is connected with a screw fastening nut 7, the front end face of the fastening nut 7 is pressed against the rear positioning surface of the pressure ring 6, in addition, the rear outer sleeve 2 is provided with a needle shield sleeve 10. 插针接触件1的后部插装有转接接触件8,外针2的外侧设有两道0型密封圈4。 A rear plug pin contact 1 with the contact adapter 8, is provided outside the outer needle 2 prescribe 0-ring 4. 当然,此处的差分接触偶亦可用本使用新型差分接触偶的实施例2中所述的差分接触偶。 Of course, the differential coupling can also be used herein contacting a contact of the present differential coupling according to Example 2 in contact with even the new difference. 另外, 壳体12的外侧设有一个连接安装板17,连接安装板17上安装有卡口连接柱16。 The outer housing 12 is provided with a connector mounting plate 17, connected to the mounting plate 17 is mounted on the bayonet connection post 16.

Claims (10)

  1. 1.一种差分接触偶,其特征在于:该差分接触偶包括外针,外针内设有贯通其前后端面的通孔,该通孔的前段轴向定位设有绝缘子,通孔内于绝缘子的后面轴向定位设有压环,绝缘子与压环之间压设有弹性密封体,弹性密封体外周面与外针通孔的孔壁密封配合,绝缘子内穿设有中心接触件,所述弹性密封体内设有供各个中心接触件穿插并与各中心接触件密封配合的接触件安装孔,所述中心接触件的后端穿出弹性密封体,外针的外侧至少设有一道密封圈。 1. A differential coupling contacts, wherein: the differential coupling comprises contacting an outer needle, an outer needle equipped with a through hole through which the front and rear end face, the axial positioning of the front section is provided with the insulator through hole, the through-hole of the insulator the axial positioning is provided behind the pressure ring, the pressure ring is provided between the insulator and the pressing elastic sealing member, the elastic seal outer peripheral surface of the outer wall of the needle hole of the through hole sealing engagement, through the insulator provided with a central contact, said an elastic sealing body is provided for each center contact is inserted and a contact member that engages with the mounting hole center contact seal, the rear end of the center contact of piercing the elastic sealing member, is provided outside the outer needle at least one sealing ring.
  2. 2. 根据权利要求1所述的差分接触偶,其特征在于:所述弹性密封体的外周靠近绝缘子的部分为锥面,该锥面与对应的外针通孔的孔壁上设置的锥面压紧配合。 Differential according to claim 1 in contact with said coupling, characterized in that: an outer periphery of said resilient sealing member close to the insulator portion is tapered, tapered wall of the hole to the outer tapered surface of the needle through hole provided with corresponding press-fit.
  3. 3. 根据权利要求1或2所述的差分接触偶,其特征在于:所述中心接触件的后部插设有转接接触件。 The difference, or even in contact with the claim 1, wherein: said rear portion of center contact plug adapter is provided with contacts.
  4. 4. 根据权利要求3所述的差分接触偶,其特征在于:所述外针中的通孔的后段螺接有紧固螺母,紧固螺母的前端顶压于压环的后定位面上。 Differential according to claim 3 in contact with said coupling, characterized in that: the outer section of the through hole of the needle is screwed a fastening nut, the fastening nut is pressed against the front end face of the pressure ring after the positioning of .
  5. 5. 根据权利要求4所述的差分接触偶,其特征在于:所述外针的后端套设有屏蔽套。 Differential according to claim 4 in contact with said coupling, characterized in that: the rear end of said needle sheath is provided with an outer shielding sleeve.
  6. 6. —种差分连接器,包括壳体、绝缘体和差分接触偶,其特征在于:所述绝缘体密封安装于壳体内,所述差分接触偶密封插配于绝缘体内,该差分接触偶包括外针,外针内设有贯通其前后端面的通孔,该通孔的前段轴向定位设有绝缘子,通孔内于绝缘子的后面轴向定位设有压环,绝缘子与压环之间压设有弹性密封体,弹性密封体外周面与外针通孔的孔壁密封配合,绝缘子内穿设有中心接触件,所述弹性密封体内设有供各个中心接触件穿插并与各中心接触件密封配合的接触件安装孔,所述中心接触件的后端穿出弹性密封体,外针的外侧至少设有一道密封圈。 6. - Species differential connector, comprising a housing, an insulator and a contact coupling the differential, wherein: said seal is mounted within the insulator housing, the differential coupling seal the mating contacts in the insulator, the contact of the differential coupling comprising an outer needle outer needle equipped with a through hole through which the front and rear end faces, the axial positioning of the front section is provided with the insulator through hole, the through hole in the back of the insulator axial positioning of the pressure ring is provided, pressure is provided between the insulator and the pressure ring elastic sealing member, the circumferential surface of the elastic seal the outer walls of the bore hole through the needle sealing engagement, through the insulator provided with a central contact, said elastomeric seal body for mating with respective center contact is inserted and contacts with the center of the sealing member a contact mounting hole, the rear end of the center contact of piercing the elastic sealing member, is provided outside the outer needle at least one sealing ring.
  7. 7. 根据权利要求6所述的差分连接器,其特征在于:所述弹性密封体的外周靠近绝缘子的部分为锥面,该锥面与对应的外针通孔的孔壁上设置的锥面压紧配合。 The differential connector according to claim 6, wherein: said resilient sealing member near the outer periphery of the insulator portion is tapered, tapered wall of the hole to the outer tapered surface of the needle through hole provided with corresponding press-fit.
  8. 8. 根据权利要求6或7所述的差分连接器,其特征在于:所述中心接触件的后部插设有转接接触件。 Differential according to claim 6 or 7 is connected, wherein: said rear portion of center contact plug adapter is provided with contacts.
  9. 9. 根据权利要求8所述的差分连接器,其特征在于:所述外针中的通孔的后段螺接有紧固螺母,紧固螺母的前端顶压于压环的后定位面上。 9. The differential connector according to claim 8, wherein: the outer section of the through hole of the needle is screwed a fastening nut, the fastening nut is pressed against the front end face of the pressure ring after the positioning of .
  10. 10. 根据权利要求9所述的差分连接器,其特征在于:所述外针的后端套设有屏蔽套。 10. The differential connector according to claim 9, wherein: the rear end of said needle sheath is provided with an outer shielding sleeve.
CN 200920088897 2009-03-11 2009-03-11 Difference contact couple and difference connector CN201413919Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200920088897 CN201413919Y (en) 2009-03-11 2009-03-11 Difference contact couple and difference connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200920088897 CN201413919Y (en) 2009-03-11 2009-03-11 Difference contact couple and difference connector

Publications (1)

Publication Number Publication Date
CN201413919Y true CN201413919Y (en) 2010-02-24

Family

ID=41715800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200920088897 CN201413919Y (en) 2009-03-11 2009-03-11 Difference contact couple and difference connector

Country Status (1)

Country Link
CN (1) CN201413919Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522661A (en) * 2011-12-12 2012-06-27 中国航空无线电电子研究所 Digital difference video transmission device among airborne electronic equipment
CN102683991A (en) * 2012-05-17 2012-09-19 遵义精星航天电器有限责任公司 Hermetic sealing differential connector socket
CN102761016A (en) * 2012-08-02 2012-10-31 贵州航天电器股份有限公司 High-temperature-resistant air-tight difference connector socket

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102522661A (en) * 2011-12-12 2012-06-27 中国航空无线电电子研究所 Digital difference video transmission device among airborne electronic equipment
CN102683991A (en) * 2012-05-17 2012-09-19 遵义精星航天电器有限责任公司 Hermetic sealing differential connector socket
CN102761016A (en) * 2012-08-02 2012-10-31 贵州航天电器股份有限公司 High-temperature-resistant air-tight difference connector socket

Similar Documents

Publication Publication Date Title
CN201570684U (en) Watertight connector
CN201498753U (en) Direct push-pull watertight connector component and plug and socket thereof
CN204129272U (en) Neutral optical fiber connector
CN1658445A (en) High-voltage isolating quick connector
CN2842793Y (en) Pull-push type circular electric connector
CN200979609Y (en) A cable connector for optical communication system in outside base
CN101106230A (en) Plug sealing structure of underwater electrical connector contact part
CN101859957A (en) Module float connector
CN201623297U (en) Plug jack for great current electric connector
CN202855401U (en) Cable and ultrasonic vibration device using cable
CN201113050Y (en) Floating type radio-frequency coaxial connector
CN2125198U (en) Quick connecting sealing electric connector
CN2879469Y (en) Fast-plug self-locking RF coaxial connector
US7270558B1 (en) Electrical connector assembly
US7275968B1 (en) Electrical connector assembly
CN201122187Y (en) Environment resistant optical fiber connector
CN202472045U (en) Contact member module and connector using same
CN201303122Y (en) Through-wall plughole connector
CN2704138Y (en) Cable connector
CN201312022Y (en) Bent self-locking connector
CN202205917U (en) Loading connector
CN202189928U (en) Ultra-high-temperature radiofrequency connector
CN201303093Y (en) Electric contact device applied on coaxial connector
CN204205128U (en) Simplified structure of plug connector
CN101540445A (en) Connector and plug thereof

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
C56 Change in the name or address of the patentee
C17 Cessation of patent right