CN202421543U - Novel double-core optical connector - Google Patents

Novel double-core optical connector Download PDF

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Publication number
CN202421543U
CN202421543U CN201120440065XU CN201120440065U CN202421543U CN 202421543 U CN202421543 U CN 202421543U CN 201120440065X U CN201120440065X U CN 201120440065XU CN 201120440065 U CN201120440065 U CN 201120440065U CN 202421543 U CN202421543 U CN 202421543U
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CN
China
Prior art keywords
jack
ceramic
contact pin
overcoat
inner core
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Expired - Lifetime
Application number
CN201120440065XU
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Chinese (zh)
Inventor
吴元亮
罗旭辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FANGAO COMMUNICATION TECHNOLOGY Co Ltd
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SHANGHAI FANGAO COMMUNICATION TECHNOLOGY Co Ltd
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Priority to CN201120440065XU priority Critical patent/CN202421543U/en
Application granted granted Critical
Publication of CN202421543U publication Critical patent/CN202421543U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to an outdoor connector (ODC) type optical connector. A structure of the conventional small-scale ODC type double-core optical connector is improved, so that the double-core optical connector is easy to clean, and the problem that the double-core optical connector is not easy to clean in the using process is solved. The double-core optical connector is characterized in that ceramic inserting needles (11) in a plug body and ceramic inserting needles (25) and ceramic inserting holes (28) in a socket body are parts which are matched with each other and have the diameters of 2.5 millimeters; and inner holes are enlarged, so that the inner holes are convenient to clean, and particularly inner walls of the inserting holes and end faces of the inserting needles in the inserting holes are easy to clean. According to the double-core optical connector, the inserting hole outer sleeves are used as guiding devices which are inserted between the inserting needles and the inserting holes, and have the effects of guiding and adjusting inserted positions automatically. The stability and reliability of the connector are improved.

Description

A kind of novel two core optical connectors
Technical field
The utility model relates to optical connector, relates in particular to ODC type optical connector, i.e. outdoor optical cable connector (Outdoor Connectors).
Technical background
ODC type optical connector is a kind of most important obligato optical passive component in the technical field of optical fiber communication, and it can be used in outdoor, is widely used in optical fiber transmission network, the digital transmission of mobile communication base station, and in the light transmission computer system.
This ODC type of domestic and international application connector is more and more now.But in the small-sized two core optical connectors of existing ODC type, the ceramic contact pin jack that is adopted is 1.25 millimeters types of standard Φ.The disadvantage of this structure is that endoporus is too little, and the contact pin end face is in the inside of jack, special in the open air or the abominable place of environment for use; Clean very difficulty of jack inwall and the contact pin end face in endoporus; Even cleaning also can not clean thoroughly, this can bring the increase of fiber transmission attenuation, and dust particle is bigger sometimes; Even can all cover the profile of optic fibre exiting surface, this also is a greatest weakness of the application facet of the joints of optical fibre.Existing in addition this connector, when plug is connected with socket, neither one guide piece between contact pin and the jack; During insertion, if the position of related features between each core is excessive, the insertion optical loss of each core maybe be different; Relatively stable performances such as influence repeatability and interchangeability are so must improve.
The utility model content
One of the utility model technical matters to be solved is for overcoming the deficiency of existing structure, a kind of novel two core optical connectors are provided, the small-sized two core optical connector structures of existing ODC type are improved, make it reach easy cleaning, improving usability.
Two of the utility model technical matters to be solved is for overcoming the deficiency of existing structure, a kind of novel two core optical connectors are provided, make the connection of connector reliable and stable, improving the repeatability and the interchangeability of multichannel luminous power.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of novel two core optical connectors, said connector are divided into plug body and two parts of socket; Said plug body mainly comprises plug casing 10, the ceramic contact pin 11 as the light contact pin, contact pin stage clip 12, stage clip stator 13, location pin 14, coupling nut 15, O-ring seal 16 and 17, tail nut 18, tail cover 19, afterbody reducing cover 110; Said plug casing 10 plugs together and offers two groups of stepped holes on the face two groups of ceramic contact pins 11, contact pin stage clip 12 are installed respectively; Said socket mainly comprises connector body housing 20, inner core-body parts, O-ring seal 21, tail nut 22, register pin 23; Said inner core-body parts mainly comprise inner core-body main component 24, the ceramic contact pin 25 as the light contact pin, contact pin stage clip 26, stage clip stator 27, ceramic jack 28, O-ring seal 29, tail cover 210; Said inner core-body main component 24 plugs together and offers two groups of stepped holes on the face two groups of ceramic contact pins 25, contact pin stage clip 26 are installed respectively; It is characterized in that: the ceramic contact pin 11 in the said plug body, the ceramic contact pin 25 in the socket are formed light path with ceramic jack 28 and are connected, and use contact pin and the jack part of standard Φ 2.5mm.
Said inner core-body parts also comprise jack overcoat 281, jack overcoat compressing tablet 282; All be with jack overcoat 281 in said two groups of pottery jack 28 outsides, said jack overcoat 281 is a cylinder-like structure, is clearance fit between the endoporus of jack overcoat 281 and the said ceramic jack 28; The endoporus front end of said jack overcoat 281 is provided with a stepped hole makes ceramic jack 28 place the interior formation of outer sleeve pine to join; Said jack overcoat 281 outer wall rear ends are provided with the step surface that cooperates with jack overcoat compressing tablet 282; Said jack overcoat compressing tablet 282 is fixed on the jack overcoat in the front end endoporus of inner core-body main component 24 through screw 32, makes between jack overcoat 281 and inner core-body main component 24, the jack overcoat compressing tablet 282 to form pine and join; Two of said plug casing 10 is organized a performance has the jack overcoat 281 corresponding entrance holes 101 that insert in the endoporus of rank; Join for pine between said entrance hole 101 and the jack overcoat 281, the ceramic contact pin 11 of guiding plug body is inserted in the ceramic jack 28 of socket in plug body and socket connection procedure.
The utility model can bring following beneficial effect:
(1) the utility model adopts and to use the widest 2.5 millimeters maximum ceramic contact pins in the market, with and 2.5 millimeters corresponding ceramic jacks, endoporus is enlarged; Like this cleaning get up more convenient, easier to the inwall of jack and the cleaning of the contact pin end face in the jack especially, though the inner core size has enlarged; But the monnolithic case structure of whole connector is constant fully; Installation dimension, method of attachment etc. are also all constant fully, still can satisfy original request for utilization.
(2) increase use jack overcoat in the utility model structure, as the guide piece of the insertion between contact pin and the jack.This guide piece has a tangible advantage; The entrance hole 101 that is the plug body end face can guide jack overcoat 281 to insert; Jack overcoat 281 can guide the ceramic contact pin 11 that places plug body end face entrance hole 101 centers to be inserted into the ceramic jack 28 in the jack overcoat 281 again; Though jack overcoat 281 is fixed on the inner core-body main component 24, there is certain free gap to exist between them, when inserting; Even certain shape position error is arranged between them, they can oneself do suitable adjustment.Make two ceramic contact pins 11 and 25 in ceramic jack 28, not have mutual collimation under the external force effect when inserting, help the multichannel luminous power and insert repeatability and stability.
Description of drawings
Fig. 1: the plug body cut-open view of an embodiment of the utility model;
Fig. 2: the socket cut-open view of an embodiment of the utility model;
Fig. 3: the interface cut-open view after the grafting of an embodiment of the utility model;
Fig. 4: the inner core-body parts cut-open view of the socket of an embodiment of the utility model
Fig. 5 (a): the cut-open view of the plug casing of an embodiment of the utility model
Fig. 5 (b): the A-A sectional view of the plug casing of an embodiment of the utility model
Fig. 6 (a): the Socket casing cut-open view of an embodiment of the utility model
Fig. 6 (b): the left view of the Socket casing of an embodiment of the utility model
Fig. 7 (a): the cut-open view of main component in the inner core-body parts of an embodiment of the utility model
Fig. 7 (b): the left view of main component in the inner core-body parts of an embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
As shown in Figure 1: plug body mainly is made up of plug casing 10, the ceramic contact pin 11 as the light contact pin, contact pin stage clip 12, stage clip stator 13, location pin 14, coupling nut 15, O-ring seal 16 and 17, tail nut 18, tail cover 19, afterbody reducing cover 110.At the state of not plugging together, worn dust seal safety helmet 111 on the plug body, guarantee cleaning.31 is two core optical cables among Fig. 1.
As shown in Figure 2; Socket mainly is made up of connector body housing 20, inner core-body parts, O-ring seal 21, tail nut 22, register pin 23; At the state of not plugging together, worn dust seal safety helmet 201 on the socket, guarantee cleaning.211 are the reducing cover among Fig. 2, and 24 is the inner core-body main component.
As shown in Figure 3, when plugging together, shirk dust seal safety helmet 111,201 respectively after, plug together plug body and socket on earth, the coupling nut 15 that the plug body of screwing on is peripheral connects and accomplishes even if nut is tightened the back.Syndeton such as Fig. 3 between plug and the socket show.
The inner core-body parts of this socket are as shown in Figure 4, and it and Socket casing 20 are made discrete parts, and its benefit is: 1. assemble up more convenient, 2. to part processing also become fairly simple easily, the processing of part, consistance precision also can improve.The inner core-body parts mainly comprise inner core-body main component 24, the ceramic contact pin 25 as the light contact pin, contact pin stage clip 26, stage clip stator 27, ceramic jack 28, O-ring seal 29, tail cover 210, reducing cover 211, jack overcoat 281, jack overcoat compressing tablet 282.31 is two core optical cables.
Jack overcoat 281 is enclosed within ceramic jack 28 outsides, is clearance fit between the inwall of jack overcoat 281 and ceramic jack 28 outer walls; The inwall front end of jack overcoat 281 is provided with stepped hole and the ceramic jack 28 that is inserted in wherein can be positioned at form pine in the outer sleeve and joins.
Jack overcoat 281 external diameter rear ends are provided with step surface; Press jack overcoat compressing tablet 282 on the step surface; And jack overcoat compressing tablet 282 is fixed on the inner core-body main component 24 with screw 32; Jack overcoat 281 places the hole 65 of inner core-body main component 24 to form clearance fit, when plugging together, can make jack overcoat 281 do diametrically suitably freely to adjust like this.
Referring to Fig. 5 (a), Fig. 5 (b); Two core optical connector plug casings, 10 structures of present embodiment are following; Its inner core setting is centrosymmetric between two groups of stepped holes and is arranged by two groups of stepped holes that constitute for axis 46 three concentric step through-holes 101,102,103.The central axis 46 of two groups of stepped holes must be symmetrical in the axis 45 of plug casing 10; The central axis 43 of pin-and-hole 38 is perpendicular to the central longitudinal axis 44 of plug casing 10.The central axis 46 of two groups of stepped holes must be parallel with the axis 45 of plug casing 10.For assembling other part, on plug casing 10, also be provided with tapering 41, rear end face center breach 40 etc.
Two groups of stepped holes of plug casing 10 are 101,102,103.Wherein jack 101 is established for jack overcoat 281 inserts; It acts on plug body and socket plugs together guiding jack overcoat 281 insertion jacks 101 in the process; Simultaneously also guide the ceramic contact pin 11 of plug body to be inserted in the ceramic jack 28 of socket, guarantee the correct of insertion position.
Referring to Fig. 6 (a), Fig. 6 (b); Two core optical connector Socket casings, 20 structures of present embodiment are following: the front portion is provided with center pit 50, and the rear portion is provided with center pit 52, two center pits must be with one heart.A separated beam 63 is arranged between center pit 50 and the center pit 52; On beam 63, two circular apertures 51 are set; The axis 61 of two circular apertures 51 is centrosymmetric with the central shaft 58 of center pit 50 and 52, and these two apertures are to penetrate use to the inner core-body parts referring to two two jack overcoats 281 that stretch out of front end on Fig. 4.In end face center pit 50, a keyway 53 is set on the side, the center line 59 of keyway 53 must be vertical with the center line 60 of two apertures 51.Equally, on the hole wall of metapore 52, be provided with a pin-and-hole 54.Keyway 53 must be on the same plane with pin-and-hole 54, and vertical with center line 60.The cross-section center axis 62 and central axis 59 symmetries in two holes.Be similarly other parts of assembling; On Socket casing 20, also be provided with tapering 56, rear end face center breach 55; On the outboard, square-like mount pad, also be provided with seal groove 57, on square mount pad, be provided with four hole 64 and screw mounting holes; Its four hole sites size is user-friendly to by original ODC type connector standards design.
Referring to Fig. 7 (a), Fig. 7 (b); Inner core-body main element 24 structures are following: three stepped holes 65,66,67 must be with one heart, and parallel to the axis 69, two groups of stepped holes and axis 70 symmetries, keyway 68 also with axis 70 symmetries, the central point of two groups of stepped holes also is on the axis 71.Two groups of ceramic contact pins 25 just place stepped hole 67 with stage clip 26.The front end of ceramic contact pin 25 stretches out from stepped hole 66, and the jack overcoat 281 of ceramic jack 28 is installed in hole 65; Jack overcoat 281 is fixing with inner core-body main component 24 through jack overcoat compressing tablet 282.
Its concrete assembling process is following:
1, at first machined part is tested, qualified back is pressed into pin 14 and 23 in the pin-and-hole separately, and is for use.
2, enforcement is following to the number of assembling steps of connector plug body component (referring to Fig. 1):
At first on optical cable, penetrate reducing cover 110, tail nut 18, tail cover 19, attaching nut 15, on tail cover 19, put O-ring seal 16, then,, expose two pipelines and stressed member aramid fiber the peeling of optical cable termination.After putting on stage clip 12 on the optical fiber, install and preparation ceramic contact pin 11 at optic fibre end, then, to the contact pin end face polish, operation such as check.These operations are all undertaken by common process on production line.At the contact pin end face after the assay was approved, in the stepped hole of the plug casing 10 of just packing into, and compress stage clip 12 with stage clip stator 13 and be screwed stage clip stator 13; The tail of packing at plug casing 10 rear portions cover 19 puts attaching nut 15, with the fixing back seat of tail nut 18; And the tail nut 18 that screws up with a wrench, next, rout up tail to the stressed member aramid fiber of optical cable and overlap 19 outsides; Be pressed on tail to aramid fiber by reducing cover 110 and overlap 19 rear portions; Cut off unnecessary aramid fiber, before reducing cover 110 compresses aramid fiber, put at aramid fiber and tail earlier and will coat some epoxy glues, reducing is overlapped 110 and is tightened aramid fiber they are bonded together then; Treating can increase the pulling force between optical cable and the fittings body after epoxy glue solidifies greatly, compresses reducing cover 110 with the reducing pincers at last.
3, enforcement is to the assembling of socket parts (referring to Fig. 2), and its step is following: at first on optical cable, put on reducing cover 211, and tail cover 210, by the technology of routine, preparation ceramic contact pin 25 is installed on the optic fibre end.After treating the ceramic contact pin test passes, be installed in contact pin 25 in the inner core-body main component 24, compress stage clip 22, be screwed with stage clip stator 27; Equally put ceramic jack 28 on to the contact pin 25 that stretches out, put contact pin overcoat 281 again, with jack overcoat compressing tablet 282 fixed jack overcoats 281 at front end; Notice that be sure not a jack overcoat 281 kills, let it that a bit free movable leeway is arranged, treat that the inner core-body parts install after; Whole being inserted in the Socket casing 20 lets two jack overcoats 281 in front from the aperture 51 of Socket casing 20 centres, pass, " O " RunddichtringO 21 on the rear portion tail cover 210; Be close to the Socket casing inwall, sealing, waterproof.Treat that the rear portion screws on behind the tail nut 22, tighten with reducing cover 211 at afterbody at last, make tail cover 210 compress optical cable, gently draw optical cable not influence each item performance of connector, assembling is accomplished.

Claims (2)

1. novel two core optical connectors, said connector is divided into plug body and two parts of socket; Said plug body mainly comprises plug casing (10), the ceramic contact pin (11) as the light contact pin, contact pin stage clip (12), stage clip stator (13), location pin (14), coupling nut (15), O-ring seal (16) and (17), tail nut (18), tail cover (19), afterbody reducing cover (110); Said plug casing (10) plugs together and offers two groups of stepped holes on the face two groups of ceramic contact pins (11), contact pin stage clip (12) are installed respectively; Said socket mainly comprises connector body housing (20), inner core-body parts, O-ring seal (21), tail nut (22), register pin (23); Said inner core-body parts mainly comprise inner core-body main component (24), the ceramic contact pin (25) as the light contact pin, contact pin stage clip (26), stage clip stator (27), ceramic jack (28), O-ring seal (29), tail cover (210); Said inner core-body main component (24) plugs together and offers two groups of stepped holes on the face two groups of ceramic contact pins (25), contact pin stage clip (26) are installed respectively; It is characterized in that: the ceramic contact pin (25) in the ceramic contact pin in the said plug body (11), the socket is formed light path with ceramic jack (28) and is connected, and uses contact pin and the jack part of standard Φ 2.5mm.
2. according to the described a kind of novel two core optical connectors of claim 1, it is characterized in that: said inner core-body parts also comprise jack overcoat (281), jack overcoat compressing tablet (282); All be with jack overcoat (281) in said two groups of pottery jacks (28) outside, said jack overcoat (281) is a cylinder-like structure, is clearance fit between the endoporus of jack overcoat (281) and the said ceramic jack (28); The endoporus front end of said jack overcoat (281) is provided with a stepped hole makes ceramic jack (28) place the interior formation of outer sleeve pine to join; Said jack overcoat (281) outer wall rear end is provided with the step surface that cooperates with jack overcoat compressing tablet (282); Said jack overcoat compressing tablet (282) is fixed on the jack overcoat in the front end endoporus of inner core-body main component (24) through screw (32), makes between jack overcoat (281) and inner core-body main component (24), the jack overcoat compressing tablet (282) to form pine and join; Two of said plug casing (10) is organized a performance has the corresponding entrance hole (101) that inserts of jack overcoat (281) in the endoporus of rank; Join for pine between said entrance hole (101) and the jack overcoat (281), the ceramic contact pin (11) of guiding plug body is inserted in the ceramic jack (28) of socket in plug body and socket connection procedure.
CN201120440065XU 2011-11-09 2011-11-09 Novel double-core optical connector Expired - Lifetime CN202421543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201120440065XU CN202421543U (en) 2011-11-09 2011-11-09 Novel double-core optical connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201120440065XU CN202421543U (en) 2011-11-09 2011-11-09 Novel double-core optical connector

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CN202421543U true CN202421543U (en) 2012-09-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901554A (en) * 2014-03-12 2014-07-02 中航光电科技股份有限公司 Small high-density multi-core optical fiber connector
CN104678508A (en) * 2014-12-11 2015-06-03 中航光电科技股份有限公司 Explosive shock-resistant optical fiber connector plug

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103901554A (en) * 2014-03-12 2014-07-02 中航光电科技股份有限公司 Small high-density multi-core optical fiber connector
CN103901554B (en) * 2014-03-12 2016-03-02 中航光电科技股份有限公司 A kind of Miniature high-density multi-fiber connector
CN104678508A (en) * 2014-12-11 2015-06-03 中航光电科技股份有限公司 Explosive shock-resistant optical fiber connector plug

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Granted publication date: 20120905

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