CN104216060A - MT (mechanical transfer) contact and optical connector with same - Google Patents
MT (mechanical transfer) contact and optical connector with same Download PDFInfo
- Publication number
- CN104216060A CN104216060A CN201310556871.7A CN201310556871A CN104216060A CN 104216060 A CN104216060 A CN 104216060A CN 201310556871 A CN201310556871 A CN 201310556871A CN 104216060 A CN104216060 A CN 104216060A
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- fixed cover
- contact element
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- contact
- elastic card
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Abstract
The invention relates to the field of optical connectors, in particular to a MT (mechanical transfer) contact and an optical connector with same. The front end of the MT contact serves as a plug end. The MT contact comprises a MT sleeve and a fiber tape. A fixing sleeve is connected to the rear end of the MT sleeve in a locked manner; a push spring is abutted between the MT sleeve and the fixing sleeve. The fixing sleeve is in front-rear guide fit with the MT sleeve. The push spring pushes the MT sleeve forward; elastic jaws are arranged on the wall of the fixing sleeve; the front ends of the elastic jaws are arranged on the fixing sleeve; the rear ends of the elastic jaws are in cantilever structures and are provided with stems; each elastic jaw is further provided with a fastening block in front of the stem, used for being fastened to a corresponding shell. The stems of the elastic jaws are pressed down to allow the fastening blocks to leave corresponding fastening structures (such grooves, holes or steps) of the shell, and a rearward pull is applied to remove the MT contact from the corresponding shell; the MT contact is convenient and quick to remove; by the use of the MT contact, the problem that the MT contact in the existing optical connector with the MT contact is inconvenient to replace is solved.
Description
Technical field
The present invention relates to optical connector field, particularly relate to a kind of MT contact element and use the optical connector of this contact element.
Background technology
In recent years, based on such as DWDM(dense wave division multipurpose) high speed and high-capacity optical fiber communication system use in a large number, optical connector is an important component part of DWDM technology.In recent years, the demand of dwdm system to multicore high-density connector is increasing always.
In many optical connectors, MT connector due to the core number of its MT contact element more and occupy a clear edge, but, current MT connector is mainly MPO, MTRJ type joints of optical fibre, and their contact element density is lower, generally all only containing single MT contact element, this makes the core number of MT connector still cannot satisfy the demands far away, in the occasion that some need multicore to connect, often need to use multiple connector, operation is inconvenience very.In addition, the outside unprotect structure of current most MT connectors, also also exists the shortcoming of environment resistant difference.
For the problems referred to above; application publication number is that the Chinese patent application of CN103135175A discloses a kind of optical-fiber array connector; MT light contact element array is located in corresponding protective housing by this connector; come by the disposable grafting of protective housing realization to multiple MT contact element with this; thus add the density of light lock pin; facilitate the operation to optical connector, improve the environment resistant of MT optical connector.But in this optical connector; the MT sleeve of MT contact element is rectangular and not used for the fit structure with protective housing secure fit; therefore each MT contact element is all between two insulators opposed before and after being compressed in; when MT contact element changed by needs, must by optical connector overall pulling down, very inconvenient to the replacing of MT contact element; in addition; the afterbody of this optical connector occurs that mode is the direct outlet of fibre ribbon, does not possess tensile property, and is not easy to wiring.
Summary of the invention
The object of the present invention is to provide a kind of MT contact element, be not easy to the optical connector solving current employing MT contact element the problem changing MT contact element.
Meanwhile, the present invention also aims to provide the optical connector using MT reconnaissance contact element.
In order to solve the problem, MT contact element is by the following technical solutions: MT contact element, this contact element take front end as inserted terminal, it comprises MT sleeve and fibre ribbon, the rear end anticreep of MT sleeve is connected with fixed cover and also and between fixed cover is top-loaded with biasing springs, fixed cover coordinates with leading before and after MT sleeve, biasing springs urged forward MT sleeve, the jacket wall of fixed cover is provided with elastic card claw, the front end of elastic card claw is positioned on fixed cover, its rear end is cantilever design and forms shank, elastic card claw is also provided with for the fixture block with corresponding housing clamping at the front place of shank.
Linked together by a link between MT sleeve and fixed cover, it is upper and coordinate with leading before and after another that link is fixedly assemblied in the two one.
One of link and fixed cover is provided with guide pillar, and another is provided with the guide groove corresponding with described guide pillar, and guide pillar has spacing hole and is inserted in corresponding guide groove, and link and fixed cover coordinate by being inserted in anticreep before and after the spacer pin in described spacing hole.
Fibre ribbon passes fixed cover backward and forms fibre bundle in fixed cover rear end, and the rear end of fixed cover is provided with pressure welding case, and fibre bundle is pressed abd fixed on the tail end place of fixed cover by pressure welding case.
Elastic card claw has two and lays respectively on the relative two sides of fixed cover.
Optical connector is by the following technical solutions: optical connector, this connector take front end as inserted terminal, it comprises contact element fixing body and is assemblied at least one the MT contact element on contact element fixing body, MT contact element comprises MT sleeve and fibre ribbon, the rear end anticreep of MT sleeve is connected with fixed cover and also and between fixed cover is top-loaded with biasing springs, fixed cover coordinates with leading before and after MT sleeve, biasing springs urged forward MT sleeve, the jacket wall of fixed cover is provided with elastic card claw, the front end of elastic card claw is positioned on fixed cover, its rear end is cantilever design and forms shank, elastic card claw is also provided with for the fixture block with corresponding housing clamping at the front place of shank, contact element fixing body is provided with contact cavity, MT contact element is arranged in corresponding contact cavity and is connected together by the fixture block on elastic card claw and contact element fixing body.
Linked together by a link between MT sleeve and fixed cover, it is upper and coordinate with leading before and after another that link is fixedly assemblied in the two one.
One of link and fixed cover is provided with guide pillar, and another is provided with the guide groove corresponding with described guide pillar, and guide pillar has spacing hole and is inserted in corresponding guide groove, and link and fixed cover coordinate by being inserted in anticreep before and after the spacer pin in described spacing hole.
Fibre ribbon passes fixed cover backward and forms fibre bundle in fixed cover rear end, and the rear end of fixed cover is provided with pressure welding case, and fibre bundle is pressed abd fixed on the tail end place of fixed cover by pressure welding case.
Elastic card claw has two and lays respectively on the relative two sides of fixed cover.
When this MT contact element is assembled in corresponding housing, its entirety pushes on housing by the rear end by holding fixed cover, in mounting hole corresponding with it, after plug-in mounting puts in place, fixture block on elastic card claw is joined with the corresponding construction card on housing, thus prevent MT contact element from coming off from housing, meanwhile, biasing springs is by urged forward MT sleeve, it is made to maintain a proal trend, and then the reliable grafting between maintenance with mating contact, when needing this MT contact element to dismantle from the housing of correspondence, only need the shank pressing down elastic card claw to make fixture block from the corresponding interface arrangment housing (as groove, hole, step etc.) in deviate from, then pull back, convenient and swift, as can be seen here, the optical connector that this MT contact element solves current employing MT contact element is not easy to the problem changing MT contact element.
Further, arranging of link is on the one hand structure in order to the original MT sleeve of the least possible destruction, also contributes to the regulable control to the size on the grafting direction of MT contact element on the other hand; Guide groove and guide pillar make to define the push-pull configuration being similar to drawer open-close type between fixed cover and link, further can ensure direction of relative movement therebetween; The tail end that fibre bundle will be pressed abd fixed on fixed cover by crimping can realize the tension of MT contact element after sentencing; Two described elastic card claws further can facilitate dismounting to MT contact element and replacing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment 1 of MT contact element;
Fig. 2 is the stereographic map of the embodiment 1 of MT contact element;
Fig. 3 is the exploded view of the embodiment 1 of MT contact element;
Fig. 4 is pressure welding case and fibre bundle in the embodiment 2 of MT contact element, fixed cover coordinate schematic diagram;
Fig. 5 is the structural representation of the embodiment 3 of MT contact element;
Fig. 6 is the structural representation of the embodiment 1 of optical connector;
Fig. 7 is the stereographic map of the embodiment 1 of optical connector;
Fig. 8 is the exploded view of the embodiment 1 of optical connector;
Fig. 9 is the structural representation of the embodiment 2 of optical connector.
Embodiment
The embodiment 1 of MT contact element, as Figure 1-3, this contact element take front end as inserted terminal, and it comprises MT sleeve 11 and fibre ribbon (not shown).
The outline of MT sleeve 11, roughly in cuboid, is wherein fixedly equipped with inner sleeve 13.In addition, the rear end of MT sleeve 11 is also connected with a fixed cover 15 by a link 14.In the present embodiment, front end and the MT sleeve 11 of link 14 are fixed together, its front end is also fixedly equipped with the guide pin 16 extended forward, MT sleeve 11 is provided with the bullport 17 corresponding with guide pin, the front end of guide pin 16 is stretched into but is not passed bullport corresponding with it, the rear end of link 14 has two guide pillars extended back 141, the front end place of fixed cover 15 is provided with guide groove, guide pillar 141 is inserted in guide groove corresponding with it, to be led in the longitudinal direction cooperation by described guide pillar and guide groove between fixed cover 15 and link 14, in addition, guide pillar 141 is provided with spacing hole 142, on fixed cover 15, the position of its guide groove corresponding is provided with spacer pin 18, spacer pin 18 is through corresponding spacing hole, thus link 14 can be limited relative to fixed cover 15 active strokes in the longitudinal direction, biasing springs 19 is also top-loaded with between MT sleeve 11 and fixed cover 15, biasing springs 19 urged forward MT sleeve 11, in the present embodiment, biasing springs 19 is arranged in the guide groove of fixed cover, its top is contained between fixed cover and guide pillar.The lateral surface of fixed cover 15 is also provided with elastic card claw 20, in the present embodiment, elastic card claw 20 has two and lays respectively on the relative two sides of fixed cover 15, the front end of each elastic card claw is all positioned on fixed cover 15, its rear end is cantilever design and forms shank 201, and elastic card claw 20 is also provided with for the fixture block 202 with corresponding housing clamping at the front place of shank.
The front end of fibre ribbon stretches in MT sleeve 11 through fixed cover 15, link 14 from back to front successively, and wherein fixed cover is provided with optical fiber duct 151, and optical fiber duct 151 is the flat groove of rectangle.
The embodiment 2 of MT contact element, as shown in Figure 4, the difference of the embodiment 1 of the present embodiment and MT reconnaissance contact element is only: the part that fibre ribbon is arranged in the optical fiber duct of fixed cover is bare fibre, be positioned at the part at this optical fiber duct rear forms fibre bundle 31, the rear end of fixed cover is provided with pressure welding case 32, and the crust of fibre bundle 31 is pressed abd fixed on the tail end place of fixed cover by pressure welding case 32.
The embodiment 3 of MT contact element, as shown in Figure 5, the present embodiment is only with the difference of the embodiment 1 of MT reconnaissance contact element: the front end of guide pin is stretched into but do not passed bullport corresponding with it, and the part that guide pin passes bullport plays the effect coordinated with mating contact guide-localization.
The embodiment 1 of optical connector, as shown in figs 6-8, this connector take front end as inserted terminal, it MT contact element 52 comprising contact element fixing body 51 and be assemblied on contact element fixing body 51, in the present embodiment, MT contact element 52 has four, and its structure is identical with the structure of the embodiment 1 of MT reconnaissance contact element, and it will not go into details herein.The outline of contact element fixing body 51 is roughly cylindrical, its contact cavity 511 through before and after having, in addition, contact element fixing body 51 also have two convex edges be oppositely arranged 512 in the rear end of contact cavity 511, convex edge 512 is provided with blocked hole 513, MT contact element 52 is inserted into contact cavity from back to front from the rear end of corresponding contact cavity, and after grafting puts in place, the fixture block on its elastic card claw snaps in the blocked hole corresponding with it on convex edge.In order to improve the environment resistant of this optical connector, the outside of contact element fixing body 51 is gone back fixed cover and is provided with metal shell 53, and metal shell 53 is provided with for locking friction tight coupling nut 54 with intermateable connector.
The embodiment 2 of optical connector, as shown in Figure 9, these joints of optical fibre are only with the difference of the embodiment 1 of the above-mentioned joints of optical fibre: the structure of the MT contact element in this optical connector and the embodiment 3 of MT reconnaissance contact element is identical, in addition, metal shell eliminate coupling nut and be provided with external thread accordingly, the embodiment 1 of these joints of optical fibre and the joints of optical fibre can be used as the mutual grafting of optical connector assembly and uses.
Claims (10)
1.MT contact element, this contact element take front end as inserted terminal, it comprises MT sleeve and fibre ribbon, it is characterized in that, the rear end anticreep of MT sleeve is connected with fixed cover and also and between fixed cover is top-loaded with biasing springs, fixed cover coordinates with leading before and after MT sleeve, biasing springs urged forward MT sleeve, the jacket wall of fixed cover is provided with elastic card claw, the front end of elastic card claw is positioned on fixed cover, its rear end is cantilever design and forms shank, and elastic card claw is also provided with for the fixture block with corresponding housing clamping at the front place of shank.
2. MT contact element according to claim 1, is characterized in that, is linked together between MT sleeve and fixed cover by a link, and it is upper and coordinate with leading before and after another that link is fixedly assemblied in the two one.
3. MT contact element according to claim 2, it is characterized in that, one of link and fixed cover is provided with guide pillar, another is provided with the guide groove corresponding with described guide pillar, guide pillar has spacing hole and is inserted in corresponding guide groove, and link and fixed cover coordinate by being inserted in anticreep before and after the spacer pin in described spacing hole.
4. MT contact element according to claim 1, is characterized in that, fibre ribbon passes fixed cover backward and forms fibre bundle in fixed cover rear end, and the rear end of fixed cover is provided with pressure welding case, and fibre bundle is pressed abd fixed on the tail end place of fixed cover by pressure welding case.
5. the MT contact element according to any one of claim 1-4 claim, is characterized in that, elastic card claw has two and lays respectively on the relative two sides of fixed cover.
6. optical connector, this connector take front end as inserted terminal, it comprises contact element fixing body and is assemblied at least one the MT contact element on contact element fixing body, MT contact element comprises MT sleeve and fibre ribbon, it is characterized in that, the rear end anticreep of MT sleeve is connected with fixed cover and also and between fixed cover is top-loaded with biasing springs, fixed cover coordinates with leading before and after MT sleeve, biasing springs urged forward MT sleeve, the jacket wall of fixed cover is provided with elastic card claw, the front end of elastic card claw is positioned on fixed cover, its rear end is cantilever design and forms shank, elastic card claw is also provided with for the fixture block with corresponding housing clamping at the front place of shank, contact element fixing body is provided with contact cavity, MT contact element is arranged in corresponding contact cavity and is connected together by the fixture block on elastic card claw and contact element fixing body.
7. optical connector according to claim 6, is characterized in that, is linked together between MT sleeve and fixed cover by a link, and it is upper and coordinate with leading before and after another that link is fixedly assemblied in the two one.
8. optical connector according to claim 7, it is characterized in that, one of link and fixed cover is provided with guide pillar, another is provided with the guide groove corresponding with described guide pillar, guide pillar has spacing hole and is inserted in corresponding guide groove, and link and fixed cover coordinate by being inserted in anticreep before and after the spacer pin in described spacing hole.
9. optical connector according to claim 7, is characterized in that, fibre ribbon passes fixed cover backward and forms fibre bundle in fixed cover rear end, and the rear end of fixed cover is provided with pressure welding case, and fibre bundle is pressed abd fixed on the tail end place of fixed cover by pressure welding case.
10. the optical connector according to any one of claim 7-9 claim, is characterized in that, elastic card claw has two and lays respectively on the relative two sides of fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310556871.7A CN104216060A (en) | 2013-07-05 | 2013-11-09 | MT (mechanical transfer) contact and optical connector with same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310281403 | 2013-07-05 | ||
| CN201310281403.3 | 2013-07-05 | ||
| CN201310556871.7A CN104216060A (en) | 2013-07-05 | 2013-11-09 | MT (mechanical transfer) contact and optical connector with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104216060A true CN104216060A (en) | 2014-12-17 |
Family
ID=52097751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310556871.7A Pending CN104216060A (en) | 2013-07-05 | 2013-11-09 | MT (mechanical transfer) contact and optical connector with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104216060A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428876A (en) * | 2015-11-24 | 2016-03-23 | 中航光电科技股份有限公司 | Electrical connector and clamp-spring-free pressing plate apparatus thereof |
| CN110323587A (en) * | 2018-06-29 | 2019-10-11 | 中航光电科技股份有限公司 | Contact component and connector with the contact component |
| CN110320609A (en) * | 2018-06-29 | 2019-10-11 | 中航光电科技股份有限公司 | Connector and its contact component, lock sleeve |
| CN110618496A (en) * | 2018-09-30 | 2019-12-27 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN111190254A (en) * | 2019-12-09 | 2020-05-22 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact member |
| CN111653889A (en) * | 2020-05-29 | 2020-09-11 | 中航光电科技股份有限公司 | Prevent touching and indicate structure and afterbody sets up socket connector who prevents touching and indicate structure |
| CN112452983A (en) * | 2020-11-04 | 2021-03-09 | 江门市安诺特炊具制造有限公司 | Be used for clear equipment of pan |
| CN113189711A (en) * | 2021-04-20 | 2021-07-30 | 武汉光迅科技股份有限公司 | Small MPO type optical fiber connector |
| WO2023032712A1 (en) * | 2021-08-30 | 2023-03-09 | 日本通信電材株式会社 | Optical connector, optical connection structure, optical device, and optical connector insertion/extraction device |
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| CN105428876A (en) * | 2015-11-24 | 2016-03-23 | 中航光电科技股份有限公司 | Electrical connector and clamp-spring-free pressing plate apparatus thereof |
| CN105428876B (en) * | 2015-11-24 | 2018-01-16 | 中航光电科技股份有限公司 | Electric connector and its exempt from jump ring presser device |
| CN110323587A (en) * | 2018-06-29 | 2019-10-11 | 中航光电科技股份有限公司 | Contact component and connector with the contact component |
| CN110320609A (en) * | 2018-06-29 | 2019-10-11 | 中航光电科技股份有限公司 | Connector and its contact component, lock sleeve |
| CN110618496A (en) * | 2018-09-30 | 2019-12-27 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN110618496B (en) * | 2018-09-30 | 2021-07-30 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN111190254A (en) * | 2019-12-09 | 2020-05-22 | 中航光电科技股份有限公司 | Optical fiber connector and optical fiber contact member |
| CN111653889A (en) * | 2020-05-29 | 2020-09-11 | 中航光电科技股份有限公司 | Prevent touching and indicate structure and afterbody sets up socket connector who prevents touching and indicate structure |
| CN112452983A (en) * | 2020-11-04 | 2021-03-09 | 江门市安诺特炊具制造有限公司 | Be used for clear equipment of pan |
| CN113189711A (en) * | 2021-04-20 | 2021-07-30 | 武汉光迅科技股份有限公司 | Small MPO type optical fiber connector |
| CN113189711B (en) * | 2021-04-20 | 2023-03-24 | 武汉光迅科技股份有限公司 | Small MPO type optical fiber connector |
| WO2023032712A1 (en) * | 2021-08-30 | 2023-03-09 | 日本通信電材株式会社 | Optical connector, optical connection structure, optical device, and optical connector insertion/extraction device |
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Application publication date: 20141217 |
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