CN104238039A - MT type optical fiber contact element and optical connector using same - Google Patents
MT type optical fiber contact element and optical connector using same Download PDFInfo
- Publication number
- CN104238039A CN104238039A CN201410512182.0A CN201410512182A CN104238039A CN 104238039 A CN104238039 A CN 104238039A CN 201410512182 A CN201410512182 A CN 201410512182A CN 104238039 A CN104238039 A CN 104238039A
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- housing
- pawl
- locking member
- optical fiber
- rear end
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Abstract
The invention relates to the field of optical connectors, in particular to an MT type optical fiber contact element and an optical connector using the same. The MT type optical fiber contact element comprises a shell, wherein an MT contact pin and a positioning seat are sequentially assembled in the shell from front to back; a locking mechanism is also assembled at the rear end of the shell and comprises a locking piece, an ejector rod component and a spring; the locking piece is fixed at the rear end of the shell; the ejector rod component is matched with the locking piece; the spring is abutted between the ejector rod component and the positioning seat; the locking piece comprises at least one elastic claw; the elastic claws are inserted in the rear end of the shell; a lock key is arranged on the outer side of each elastic claw; the front side surface and the rear side surface of each lock key are sliding matching surfaces; through holes which correspond to the lock keys are formed in the shell; the lock keys extend out of the corresponding through holes from inside to outside; the spring is positioned on the inner sides of the elastic claws and can stop shrinkage of the elastic claws; and the ejector rod component is provided with an ejector rod which is used for pushing the spring forwards so that the elastic claws can shrink. The problem that the MT type optical fiber contact element is easily separated from a shell of a connector when an optical cable is pulled is solved.
Description
Technical field
The present invention relates to optical connector field, particularly related to a kind of MT type optical fiber contact and used the optical connector of this contact element.
Background technology
The optical connector of current employing MT contact element is mainly based on MPO, MTRJ type joints of optical fibre containing single MT contact element.This joints of optical fibre, due to the negligible amounts containing contact element, cannot satisfy the demands in some occasions, and there is awkward problem.
The MT contact element of fetching-unloading type can comprise MT contact pin, housing, positioning seat, spring and be located at the bullet pawl extended to the periphery on housing, wherein MT contact pin is assemblied in housing forward end, positioning seat is positioned at the rear end of MT contact pin in the housing, and spring top is contained in the rear end of positioning seat.What play pawl employing is elastic plastic member, and its intensity is poor, and durability is also bad, and plays pawl without corresponding safeguard structure after locking, when pulling optical cable, is easy to the problem occurring that bullet pawl is deviate from connector shell.
Summary of the invention
The object of the present invention is to provide a kind of MT type optical fiber contact, to solve the problem that existing MT optical fiber contact easily deviates from connector shell when optical cable tension.
Meanwhile, the present invention also aims to provide the optical connector using MT reconnaissance type optical fiber contact.
In order to solve the problem, MT type optical fiber contact of the present invention is by the following technical solutions: MT type optical fiber contact, comprise housing, MT contact pin and positioning seat is equipped with successively from front to back in housing, the rear end of described housing is also equipped with latch mechanism, described latch mechanism comprises the locking member being fixed on housing rear end, and the post rod parts that locking member is supporting and top are contained in the spring between post rod parts and positioning seat, locking member comprises the bullet pawl that at least one is inserted into housing rear end, the outside playing pawl is provided with locking key, before locking key, trailing flank is the face of being slidably matched, housing is provided with the open-work corresponding with locking key, locking key from-inner-to-outer stretches out corresponding open-work, spring is positioned at the inner side place playing pawl and also can shrinks by block bullet pawl, post rod parts has the push rod that can shrink to make bullet pawl for synthlipsis spring forward.
The push rod front end of described post rod parts is inserted in locking member.
The bullet pawl of described locking member and the connection of other parts are in two ends forming station terrace respectively, and the push rod of post rod parts is inserted in locking member through described step surface.
The side near bullet pawl of described push rod is provided with the slot to make way corresponding with playing pawl.
Described bullet pawl has at least two and center line around housing is evenly arranged, and the push rod rear end of post rod parts is fixed on a tail ring.
Optical connector is by the following technical solutions: optical connector, the MT type optical fiber contact comprising shell and be fixedly assemblied in shell, described MT type optical fiber contact comprises housing, MT contact pin and positioning seat is equipped with successively from front to back in housing, the rear end of described housing is also equipped with latch mechanism, described latch mechanism comprises the locking member being fixed on housing rear end, and the post rod parts that locking member is supporting and top are contained in the spring between post rod parts and positioning seat, locking member comprises the bullet pawl that at least one is inserted into housing rear end, the outside playing pawl is provided with the locking key coordinated with draw-in groove set inside shell, before locking key, trailing flank is the face of being slidably matched, housing is provided with the open-work corresponding with locking key, locking key from-inner-to-outer stretches out corresponding open-work, spring is positioned at the inner side place playing pawl and also can shrinks by block bullet pawl, post rod parts has the push rod that can shrink to make bullet pawl for synthlipsis spring forward.
The push rod front end of described post rod parts is inserted in locking member.
The bullet pawl of described locking member and the connection of other parts are in two ends forming station terrace respectively, and the push rod of post rod parts is inserted in locking member through described step surface.
The side near bullet pawl of described push rod is provided with the slot to make way corresponding with playing pawl.
Described bullet pawl has at least two and center line around housing is evenly arranged, and the push rod rear end of post rod parts is fixed on a tail ring.
When MT type optical fiber contact of the present invention is loaded in corresponding connector shell, can first hold post rod parts contact element is pushed ahead, when being hampered in the process advanced, then post rod parts moves forward and forward compression springs relative to housing, when spring be compressed to backward rear end stagger forward play pawl time, then play pawl to shrink under the effect of external pressure, make contact element can continue to move forward thus, until the locking key on bullet pawl to snap in connector shell after in corresponding draw-in groove, unclamp post rod parts, then spring reset and stop play pawl shrink, thus just can solve MT optical fiber contact easily deviates from connector shell problem when optical cable tension.
Further, the push rod front end of post rod parts is inserted into after in locking member, being combined with each other therebetween can be realized, play the effect preventing post rod parts from losing; Being set to of step surface operates the space that the rear end of post rod parts provides, and the use of contact element can be made convenient; The setting of slot to make way can be suitable the radial dimension of increase push rod, ensure the intensity of push rod; Plural bullet pawl is advantageously in the reliable locking to contact element, and tail ring can realize the synchronizing moving of each push rod.
Accompanying drawing explanation
Fig. 1 is the cut-open view of the embodiment of MT type optical fiber contact;
Fig. 2 is the structural representation of housing;
Fig. 3 is the structural representation of locking member;
Fig. 4 is the structural representation of post rod parts.
Embodiment
The embodiment of MT type optical fiber contact, as Figure 1-4, this MT type optical fiber contact comprises housing 11, MT contact pin 12, positioning seat 13 and latch mechanism, and wherein latch mechanism comprises locking member 14, spring 15 and post rod parts.
Housing 11 is rectangular housing, in the present embodiment, turns edge in the front end of housing 11 is provided with, step surface that the outer peripheral face of MT contact pin 12 is provided with face forward, that coordinate with the block that turns edge in housing 11 front end.MT contact pin 12, positioning seat 13, spring 15 and locking member 14 are loaded to housing 11 from the rear end of housing 11 successively, and post rod parts is inserted on locking member 14, and wherein locking member 14 and housing 11 are fixedly assembled together.In the present embodiment, housing 11 and latch mechanism are all the metal materials adopted, and therefore more reliable, weatherability is also stronger.
Locking member 14 comprises two (in other embodiments, the quantity playing pawl is more than one and all can, it specifically can be arranged as required) be inserted into the bullet pawl 141 of housing 11 rear end, two play pawl 141 and are evenly arranged around the center line of housing, the outside of each bullet pawl 141 is provided with locking key, before locking key, trailing flank is the face of being slidably matched, housing 11 is provided with the open-work 111 corresponding with locking key, locking key from-inner-to-outer stretches out corresponding open-work 111, spring 15 is positioned at the inner side place playing pawl 141 and also can shrinks by block bullet pawl 141, post rod parts has the push rod 16 that can shrink to make bullet pawl for synthlipsis spring forward.
In the present embodiment, the bullet pawl of locking member 14 and the connection of other parts are in two ends forming station terrace respectively, the push rod 16 of post rod parts is inserted in locking member 14 through described step surface, in addition, the side near bullet pawl of push rod 16 is provided with the slot to make way 161 corresponding with playing pawl, meanwhile, the medial surface of bullet pawl is also provided with the positioning key corresponding with slot to make way, and each push rod 16 rear end is fixed on a tail ring 17.
In other embodiment of MT type optical fiber contact, post rod parts can also be directly be inserted in the endoporus of locking member, and in such cases, only needing to hold (front end) to arrange within it can the structure of biasing springs, or is fixed together in its front end and spring.
When this MT type optical fiber contact is loaded in corresponding connector shell, can first hold post rod parts contact element is pushed ahead, when being hampered in the process advanced, then post rod parts moves forward and forward compression springs relative to housing, when spring be compressed to backward rear end stagger forward play pawl time, then play pawl to shrink under the effect of external pressure, make contact element can continue to move forward thus, until the locking key on bullet pawl to snap in connector shell after in corresponding draw-in groove, unclamp post rod parts, then spring reset and stop play pawl shrink, thus the problem that contact element tension comes off can be prevented, when needing described contact element to dismantle from the shell of corresponding connectors, only needing pressing post rod parts that spring is staggered with bullet pawl, then pulling locking member backward.
The embodiment of optical connector, as Figure 1-4, comprise shell (not shown) and MT type optical fiber contact, the structure of MT type optical fiber contact is identical with the structure of the embodiment of MT reconnaissance type optical fiber contact, and it will not go into details herein.The locking key in the outside of the bullet pawl of MT type optical fiber contact coordinates with draw-in groove set inside shell.
Claims (10)
1.MT type optical fiber contact, comprise housing, MT contact pin and positioning seat is equipped with successively from front to back in housing, it is characterized in that, the rear end of described housing is also equipped with latch mechanism, described latch mechanism comprises the locking member being fixed on housing rear end, and the post rod parts that locking member is supporting and top are contained in the spring between post rod parts and positioning seat, locking member comprises the bullet pawl that at least one is inserted into housing rear end, the outside playing pawl is provided with locking key, before locking key, trailing flank is the face of being slidably matched, housing is provided with the open-work corresponding with locking key, locking key from-inner-to-outer stretches out corresponding open-work, spring is positioned at the inner side place playing pawl and also can shrinks by block bullet pawl, post rod parts has the push rod that can shrink to make bullet pawl for synthlipsis spring forward.
2. MT type optical fiber contact according to claim 1, is characterized in that, the push rod front end of described post rod parts is inserted in locking member.
3. MT type optical fiber contact according to claim 2, is characterized in that, the bullet pawl of described locking member and the connection of other parts are in two ends forming station terrace respectively, and the push rod of post rod parts is inserted in locking member through described step surface.
4. MT type optical fiber contact according to claim 3, is characterized in that, the side near bullet pawl of described push rod is provided with the slot to make way corresponding with playing pawl.
5. the MT type optical fiber contact according to any one of claim 1-4, is characterized in that, described bullet pawl has at least two and center line around housing is evenly arranged, and the push rod rear end of post rod parts is fixed on a tail ring.
6. optical connector, the MT type optical fiber contact comprising shell and be fixedly assemblied in shell, described MT type optical fiber contact comprises housing, MT contact pin and positioning seat is equipped with successively from front to back in housing, it is characterized in that, the rear end of described housing is also equipped with latch mechanism, described latch mechanism comprises the locking member being fixed on housing rear end, and the post rod parts that locking member is supporting and top are contained in the spring between post rod parts and positioning seat, locking member comprises the bullet pawl that at least one is inserted into housing rear end, the outside playing pawl is provided with the locking key coordinated with draw-in groove set inside shell, before locking key, trailing flank is the face of being slidably matched, housing is provided with the open-work corresponding with locking key, locking key from-inner-to-outer stretches out corresponding open-work, spring is positioned at the inner side place playing pawl and also can shrinks by block bullet pawl, post rod parts has the push rod that can shrink to make bullet pawl for synthlipsis spring forward.
7. optical connector according to claim 6, is characterized in that, the push rod front end of described post rod parts is inserted in locking member.
8. optical connector according to claim 7, is characterized in that, the bullet pawl of described locking member and the connection of other parts are in two ends forming station terrace respectively, and the push rod of post rod parts is inserted in locking member through described step surface.
9. optical connector according to claim 6, is characterized in that, the side near bullet pawl of described push rod is provided with the slot to make way corresponding with playing pawl.
10. the optical connector according to any one of claim 6-9, is characterized in that, described bullet pawl has at least two and center line around housing is evenly arranged, and the push rod rear end of post rod parts is fixed on a tail ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512182.0A CN104238039B (en) | 2014-09-29 | 2014-09-29 | MT type optical fiber contact and use the optical connector of this contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410512182.0A CN104238039B (en) | 2014-09-29 | 2014-09-29 | MT type optical fiber contact and use the optical connector of this contact element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104238039A true CN104238039A (en) | 2014-12-24 |
| CN104238039B CN104238039B (en) | 2016-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410512182.0A Active CN104238039B (en) | 2014-09-29 | 2014-09-29 | MT type optical fiber contact and use the optical connector of this contact element |
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| CN (1) | CN104238039B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105607195A (en) * | 2016-03-30 | 2016-05-25 | 中航光电科技股份有限公司 | Connector shell and optical fiber connector adopting connector shell |
| CN105717580A (en) * | 2016-03-16 | 2016-06-29 | 华为技术有限公司 | Male head and female head of optical fiber connector and an optical fiber connector |
| CN108169859A (en) * | 2017-12-04 | 2018-06-15 | 中航光电科技股份有限公司 | A kind of MT type cable assemblies of band protection housing |
| CN108258547A (en) * | 2017-12-20 | 2018-07-06 | 南京安崇电子有限公司 | A kind of gapless jack inner conductor, coaxial connector and converter |
| CN108387977A (en) * | 2018-04-08 | 2018-08-10 | 江苏通鼎宽带有限公司 | Integral type SC adapter type connectors |
| CN114660723A (en) * | 2022-02-28 | 2022-06-24 | 中航光电科技股份有限公司 | Parallel wireless optical module with self-floating connection |
| CN116360039A (en) * | 2023-02-21 | 2023-06-30 | 宁波莱塔思光学科技有限公司 | Core-inserted type optical fiber connector |
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| CN1175002A (en) * | 1996-07-15 | 1998-03-04 | 精工电子工业株式会社 | Universal optical fibre connector and basic pluger |
| US20060153504A1 (en) * | 2005-01-12 | 2006-07-13 | Adamant Kogyo Co., Ltd. | Multi fiber optical interconnect system, with push-push type insertion/withdrawal mechanism, MT-type connector and shuttered adapter and method for using same |
| CN203025390U (en) * | 2013-01-31 | 2013-06-26 | 孙永渭 | Optical fiber quick connector |
| CN103399379A (en) * | 2013-08-15 | 2013-11-20 | 上海航天科工电器研究院有限公司 | Reinforced multicore optical fiber contact element |
-
2014
- 2014-09-29 CN CN201410512182.0A patent/CN104238039B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175002A (en) * | 1996-07-15 | 1998-03-04 | 精工电子工业株式会社 | Universal optical fibre connector and basic pluger |
| US20060153504A1 (en) * | 2005-01-12 | 2006-07-13 | Adamant Kogyo Co., Ltd. | Multi fiber optical interconnect system, with push-push type insertion/withdrawal mechanism, MT-type connector and shuttered adapter and method for using same |
| CN203025390U (en) * | 2013-01-31 | 2013-06-26 | 孙永渭 | Optical fiber quick connector |
| CN103399379A (en) * | 2013-08-15 | 2013-11-20 | 上海航天科工电器研究院有限公司 | Reinforced multicore optical fiber contact element |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717580A (en) * | 2016-03-16 | 2016-06-29 | 华为技术有限公司 | Male head and female head of optical fiber connector and an optical fiber connector |
| CN105717580B (en) * | 2016-03-16 | 2019-05-24 | 华为技术有限公司 | A kind of optical fiber connector male connector, female and optical fiber connector |
| CN105607195A (en) * | 2016-03-30 | 2016-05-25 | 中航光电科技股份有限公司 | Connector shell and optical fiber connector adopting connector shell |
| CN108169859A (en) * | 2017-12-04 | 2018-06-15 | 中航光电科技股份有限公司 | A kind of MT type cable assemblies of band protection housing |
| CN108258547A (en) * | 2017-12-20 | 2018-07-06 | 南京安崇电子有限公司 | A kind of gapless jack inner conductor, coaxial connector and converter |
| CN108387977A (en) * | 2018-04-08 | 2018-08-10 | 江苏通鼎宽带有限公司 | Integral type SC adapter type connectors |
| CN114660723A (en) * | 2022-02-28 | 2022-06-24 | 中航光电科技股份有限公司 | Parallel wireless optical module with self-floating connection |
| CN116360039A (en) * | 2023-02-21 | 2023-06-30 | 宁波莱塔思光学科技有限公司 | Core-inserted type optical fiber connector |
| CN116360039B (en) * | 2023-02-21 | 2024-06-14 | 宁波莱塔思光学科技有限公司 | Core-inserted type optical fiber connector |
Also Published As
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|---|---|
| CN104238039B (en) | 2016-03-23 |
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