CN105717581A - Optical fiber plug assembly and optical fiber adapter connector using same - Google Patents
Optical fiber plug assembly and optical fiber adapter connector using same Download PDFInfo
- Publication number
- CN105717581A CN105717581A CN201610197776.6A CN201610197776A CN105717581A CN 105717581 A CN105717581 A CN 105717581A CN 201610197776 A CN201610197776 A CN 201610197776A CN 105717581 A CN105717581 A CN 105717581A
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- China
- Prior art keywords
- optical fiber
- fiber plug
- backward
- plug assembly
- support member
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention provides an optical fiber plug assembly and an optical fiber adapter connector using the same. The optical fiber plug assembly comprises a front optical fiber plug, a rear optical fiber plug and an optical fiber for connecting the tails portions of the front optical fiber plug and the rear optical fiber plug. The optical fiber plug assembly further comprises a supporting clamped between the front optical fiber plug and the rear optical fiber plug and used for being matched with the tail ends of the front optical fiber plug and the rear optical fiber plug in a pushing mode so as to prevent the front optical fiber plug and the rear optical fiber plug from retreating during plug connection with a corresponding adapter connector. The supporting part clamped between the front optical fiber plug and the rear optical fiber plug can be matched with the tail ends of the front optical fiber plug and the rear optical fiber plug respectively through two ends in a pushing mode and meanwhile stop the front optical fiber plug and the rear optical fiber plug in the direction deviating from the corresponding adapter connector. The optical fiber plug assembly is relatively simple in structure and also more convenient to assemble, and the supporting part is optional in length according to the length of the optical fiber connected between the front optical fiber plug and the rear optical fiber plug and is flexible to use.
Description
Technical field
The present invention relates to photoconduction coupling device, particularly relate to a kind of Optical fiber plug assembly and use the optic fibre switching adapter of this assembly.
Background technology
Along with the development of communication information technology, optical fiber becomes the multiple devices of connection and equipment to carry out the tie of data message exchange, transmission.In the procedures of establishment of optical fiber, being frequently encountered optical fiber needs the situation of setting through walls, thus needs to punch for optical fiber traverse specially on body of wall, brings bigger obstacle to laying work.Optical fiber is through being just extremely difficult to afterwards take out in body of wall, once optical fiber has certain to damage, inspection, maintenance, replacing are all inconvenient for, and considerably increase the work difficulty of fiber deployment.Therefore, the optic fibre switching adapter of a kind of body of wall two optical fiber of can transferring just it is badly in need of.
To this, we providing a kind of optic fibre switching connecting device, including housing and the Optical fiber plug assembly being arranged in housing, Optical fiber plug assembly includes two Optical fiber plugs and connects the optical fiber of two Optical fiber plugs.When Optical fiber plug assembly is arranged in housing, in order to meet the grafting requirement of Optical fiber plug and intermateable connector, need to ensure that two Optical fiber plugs have in the plugging direction certain spacing, particularly in deviate from the direction of intermateable connector carries out spacing, it is to avoid when with intermateable connector grafting, Optical fiber plug occurs being adapted adapter pushing tow and the problem that retreats.But prior art does not have a kind of technical scheme that can be good at solving this problem.
Summary of the invention
It is an object of the invention to provide and a kind of two Optical fiber plugs can be carried out the Optical fiber plug assembly that block is spacing on the direction deviate from intermateable connector, it is ensured that will not be retreated by pushing tow when two Optical fiber plugs are respectively with corresponding intermateable connector grafting；Meanwhile, the present invention also aims to provide a kind of optic fibre switching adapter using this Optical fiber plug assembly.
For achieving the above object, the technical scheme of Optical fiber plug assembly of the present invention is: a kind of Optical fiber plug assembly, including the optical fiber of forward and backward Optical fiber plug and the afterbody connecting forward and backward Optical fiber plug, Optical fiber plug assembly also include being folded between forward and backward Optical fiber plug for coordinating with the tail end pushing tow of forward and backward Optical fiber plug respectively to stop forward and backward Optical fiber plug support member of retrogressing when with corresponding intermateable connector grafting.
Described support member is provided with for for connecting the threading passage passed through before and after the optical fiber of forward and backward Optical fiber plug.
Described support member be before and after extend U-shaped piece, U-shaped piece is coordinated with the tail end pushing tow of forward and backward Optical fiber plug respectively by the U-shaped end face of rear and front end, and described threading passage is space in the U-lag of U-shaped piece.
Two parallel edges of described U-shaped piece are corresponding with the broadside of forward and backward Optical fiber plug.
Described forward and backward Optical fiber plug is MT contact pin.
The technical scheme of the optic fibre switching adapter of the present invention is: a kind of optic fibre switching adapter, including housing and be arranged on the Optical fiber plug assembly in housing, described Optical fiber plug assembly includes forward and backward Optical fiber plug and connects the optical fiber of afterbody of forward and backward Optical fiber plug, Optical fiber plug assembly also include being folded between forward and backward Optical fiber plug for coordinating with the tail end pushing tow of forward and backward Optical fiber plug respectively to stop forward and backward Optical fiber plug support member of retrogressing when with corresponding intermateable connector grafting.
Described support member is provided with for for connecting the threading passage passed through before and after the optical fiber of forward and backward Optical fiber plug.
Described support member be before and after extend U-shaped piece, U-shaped piece is coordinated with the tail end pushing tow of forward and backward Optical fiber plug respectively by the U-shaped end face of rear and front end, and described threading passage is space in the U-lag of U-shaped piece.
Two parallel edges of described U-shaped piece are corresponding with the broadside of forward and backward Optical fiber plug.
Described forward and backward Optical fiber plug is MT contact pin.
The invention has the beneficial effects as follows: being folded in the support member between forward and backward Optical fiber plug can be coordinated with the tail end pushing tow of forward and backward Optical fiber plug respectively by two ends, forward and backward Optical fiber plug is carried out block on the direction of intermateable connector deviating from correspondence simultaneously, it is separately provided Stop structure compared to being located on housing by Stop structure or being respectively directed to forward and backward Optical fiber plug, structure is relatively easy, assembles up also more convenient.Additionally, the length according to the optical fiber connected between forward and backward Optical fiber plug, i.e. distance between forward and backward Optical fiber plug, it is possible to choose the support member of different length accordingly, it is easy to use flexibly.
Further; support member is provided with threading passage; the optical fiber connecting forward and backward Optical fiber plug can pass front and back in threading passage; namely support member ring is located at the periphery of optical fiber; optical fiber can be played a protective role by such support member; meanwhile, so it also is able to increase the face area of support member so that the pushing tow between support member with front and back Optical fiber plug coordinates more stable.
Further, support member is U-shaped piece that front and back extend, and such support member can be folded between the Optical fiber plug of front and back again after optical fiber has been connected with forward and backward Optical fiber plug, the connection of optical fiber and Optical fiber plug will not be caused interference.
Further, two parallel edges of U-shaped piece are corresponding with the broadside of forward and backward Optical fiber plug, so make U-shaped piece to reach maximum with the pushing tow contact area of forward and backward Optical fiber plug, and limited support stability is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one of the optic fibre switching adapter of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view at B-B place in Fig. 2；
Fig. 4 is the three-dimensional exploded view of Fig. 3；
Fig. 5 is the structural representation of Optical fiber plug assembly in Fig. 3；
Fig. 6 is the structural representation of support member in Fig. 5.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
A kind of specific embodiment of the optic fibre switching adapter of the present invention, as shown in Figures 1 to 6, including housing 1 and Optical fiber plug assembly.The tubular structure that housing 1 extends for front and back, housing 1 is internal is provided with midfeather 100, and midfeather 100 is provided with the installing hole that front and back extend, and Optical fiber plug assembly is arranged on this installing hole from fore-and-aft direction.Optical fiber plug assembly includes the optical fiber of the afterbody of Optical fiber plug 3 before and after forward and backward Optical fiber plug 3 and connection, when Optical fiber plug assembly is arranged in installing hole, the inserted terminal of front and back Optical fiber plug 3 is towards opposing, and plug for the intermateable connector with both sides, front and back, in tubular shell, before and after centrally located interval 100, the cavity 11 of both sides is the formation of carrying out with corresponding Optical fiber plug 3 for inserting the inserted terminal of grafting for intermateable connector.
In the present embodiment, forward and backward Optical fiber plug all adopts MT contact pin, and certainly, in other embodiments, forward and backward Optical fiber plug can be MPO contact pin, or forward and backward Optical fiber plug can adopt different Optical fiber plugs, arranges according to reality switching needs.
In order to realize being relatively fixed of Optical fiber plug assembly and housing 1, being necessarily required in housing 1 be arranged to accordingly at fore-and-aft direction, Optical fiber plug assembly is carried out the Stop structure that block is spacing, Stop structure has for protruding and allow bit port with intermateable connector plugs together for Optical fiber plug.
In the present embodiment, adopt forward and backward baffle plate 2 that the rear and front end of Optical fiber plug assembly carries out block respectively spacing, specifically, by forward and backward baffle plate 2, former and later two MT contact pins are carried out block and realize.Load after in installing hole at Optical fiber plug assembly, grafting is carried out with corresponding intermateable connector for the ease of forward and backward MT contact pin, when forward and backward baffle plate 2 is arranged on the corresponding end-faces of midfeather 100, it is protruding that former and later two MT contact pins can pass through corresponding forward and backward resigning hole 22.Simultaneously, in order to realize forward and backward Optical fiber plug 3 block in the longitudinal direction, forward and backward resigning hole 22 is the pre-small post-large notch cuttype hole suitable with the pre-small post-large outer peripheral face shape of MT contact pin, and the step surface block between the step surface in the notch cuttype hole of forward and backward resigning hole 22 and corresponding MT contact pin front end path section and rear end big footpath section coordinates.
Further, in order to improve versatility, reduce manufacturing cost, forward and backward baffle plate 2 structure is identical, and each through attachment screw 21 releasable connection on the corresponding end-faces of midfeather 100, so can according to circumstances select when practical set Optical fiber plug assembly loads installing hole from front to back or loads from back to front in installing hole, flexibly and easily.Certainly, if it is considered that need when practical set respectively forward and backward baffle plate to be installed respectively and operate inconvenience, other Stop structures can be adopted in other embodiments, such as one of them in front apron or backboard and midfeather are wholely set, namely by turning edge the block realized Optical fiber plug assembly in one end of installing hole is arranged to the step surface block between the section of MT contact pin front end path section and rear end big footpath is coordinated, this Stop structure allow the centre bore that bit port turns edge in being；Or forward and backward baffle plate can be arranged on housing by the bonding or threaded mode of welding in other embodiments, such as front and rear baffle directly welds or is bonded on the corresponding end face of midfeather, or the inner peripheral surface of the both sides, centrally located interval of tubular shell is respectively equipped with female thread, the periphery of front and rear baffle is provided with the external screw thread adaptive with lid female thread and by screw thread spinning in housing, now needs the front and back resigning hole ensured on front and rear baffle to be directed at installing hole so that Optical fiber plug can stretch out smoothly.
Forward and backward baffle plate 2 is additionally provided with positioning convex 20 on the end face of midfeather 100, correspondingly, the end face towards forward and backward baffle plate 2 of midfeather 100 is provided with and the detent of positioning convex 20 adaptation, male-female engagement by positioning convex 20 and detent, achieve the circumferentially positioned of forward and backward baffle plate 2 and midfeather 100, ensure that the assembly precision of forward and backward baffle plate 2 and midfeather 100, it is simple to the forward and backward resigning hole on forward and backward baffle plate 2 and installing hole front to back registration.Realizing forward and backward baffle plate by male-female engagement and the circumferentially positioned of midfeather is not limited in arranging positioning convex on forward and backward baffle plate, positioning convex can also be located on the end face of midfeather, is located on forward and backward baffle plate by detent adaptably.
Such as wall thicker and when causing the axial length of adaptor connector longer, the length of optical fiber connecting two MT contact pins is also longer, so two MT contact pins of Optical fiber plug assembly with corresponding intermateable connector to being easy to time slotting because being retracted in installing hole by determining thrust.So, in order to avoid the generation of this problem, Optical fiber plug assembly also includes being folded in support member 4 between forward and backward Optical fiber plug 3.Support member 4 is coordinated by the tail end pushing tow of rear and front end with forward and backward Optical fiber plug 3 and limits the axial distance between forward and backward Optical fiber plug 3, stops and is retracted in installing hole by jacking force when Optical fiber plug is with intermateable connector grafting.
Optical fiber is protected to not affect the optical fiber connecting two MT contact pin tail ends simultaneously, support member 4 is additionally provided with the threading passage passed through before and after this optical fiber.In the present embodiment, extend for front and back U-shaped piece of support member 4, U-shaped piece is coordinated with the rear end face pushing tow of former and later two MT contact pins respectively by the U-shaped end face of rear and front end, and in the U-type groove of U-shaped piece, space 40 is for passing through before and after confession optical fiber.Support member adopts U-shaped piece to be capable of after optical fiber has been connected with the tail end of two MT contact pins respectively and is folded between former and later two MT contact pins, compares and facilitates optical fiber and the connection of MT contact pin with the support member adopting sleeve type.Certainly, in other way of example, support member can be simple plate-like structure, now, support member does not have threading passage, and optical fiber passes through from the side of tabular support member, but the support member of this version is contacted with MT contact pin tail end pushing tow by U-shaped end face compared to U-shaped piece, contact area is less, supports pushing tow effect and is not sufficiently stable.
Further, two parallel edges of U-shaped piece in the present embodiment are also corresponding with the broadside of former and later two MT contact pins, so make U-shaped piece to reach maximum with the pushing tow contact area of forward and backward Optical fiber plug, and limited support stability is better.
The radial dimension of forward and backward baffle plate 2, less than the internal diameter of tubular shell 1, both sides, the front and back end face of midfeather 100 is also provided with sealing ring 5 in the periphery of forward and backward baffle plate 2, for coordinating realization to seal with the end of intermateable connector when intermateable connector inserts.The outside of housing 1 is additionally provided with adpting flange 10, is easy to optic fibre switching adapter installs on body of wall by arranging adpting flange 10.
In order to improve the heart energy of optic fibre switching adapter conveying optical signal, midfeather 100 is interval with four installing holes side by side, four Optical fiber plug assemblies can be installed, certainly, in other embodiments, the quantity of installing hole can also be one, two, three or more than five, arranges according to actually used situation, the arrangement mode of installing hole can also circularize layout, is also not specifically limited herein.
A kind of detailed description of the invention of the above-mentioned optic fibre switching adapter merely providing the present invention, in other embodiments, housing can not also include the tubular inner chamber of midfeather both sides, namely housing is column structure, now Optical fiber plug projection is at the two ends of column structure, and the structure for use Optical fiber plug that the inserted terminal of intermateable connector is correspondingly set to indent inserts.
The optic fibre switching connector construction of the present invention is simple, easy to assembly, uses scope wider.
Claims (10)
1. an Optical fiber plug assembly, optical fiber including forward and backward Optical fiber plug and the afterbody connecting forward and backward Optical fiber plug, it is characterized in that, Optical fiber plug assembly also include being folded between forward and backward Optical fiber plug for coordinating with the tail end pushing tow of forward and backward Optical fiber plug respectively to stop forward and backward Optical fiber plug support member of retrogressing when with corresponding intermateable connector grafting.
2. Optical fiber plug assembly according to claim 1, it is characterised in that described support member is provided with for for connecting the threading passage passed through before and after the optical fiber of forward and backward Optical fiber plug.
3. Optical fiber plug assembly according to claim 2, it is characterized in that, described support member be before and after extend U-shaped piece, U-shaped piece is coordinated with the tail end pushing tow of forward and backward Optical fiber plug respectively by the U-shaped end face of rear and front end, and described threading passage is space in the U-lag of U-shaped piece.
4. Optical fiber plug assembly according to claim 3, it is characterised in that two parallel edges of described U-shaped piece are corresponding with the broadside of forward and backward Optical fiber plug.
5. the Optical fiber plug assembly according to claim 1-4 any one, it is characterised in that described forward and backward Optical fiber plug is MT contact pin.
6. an optic fibre switching adapter, including housing and be arranged on the Optical fiber plug assembly in housing, described Optical fiber plug assembly includes forward and backward Optical fiber plug and connects the optical fiber of afterbody of forward and backward Optical fiber plug, it is characterized in that, Optical fiber plug assembly also include being folded between forward and backward Optical fiber plug for coordinating with the tail end pushing tow of forward and backward Optical fiber plug respectively to stop forward and backward Optical fiber plug support member of retrogressing when with corresponding intermateable connector grafting.
7. optic fibre switching adapter according to claim 6, it is characterised in that described support member is provided with for for connecting the threading passage passed through before and after the optical fiber of forward and backward Optical fiber plug.
8. optic fibre switching adapter according to claim 7, it is characterized in that, described support member be before and after extend U-shaped piece, U-shaped piece is coordinated with the tail end pushing tow of forward and backward Optical fiber plug respectively by the U-shaped end face of rear and front end, and described threading passage is space in the U-lag of U-shaped piece.
9. optic fibre switching adapter according to claim 8, it is characterised in that two parallel edges of described U-shaped piece are corresponding with the broadside of forward and backward Optical fiber plug.
10. the optic fibre switching adapter according to claim 6-9 any one, it is characterised in that described forward and backward Optical fiber plug is MT contact pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197776.6A CN105717581B (en) | 2016-03-31 | 2016-03-31 | A kind of Optical fiber plug component and the optic fibre switching connector using the component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610197776.6A CN105717581B (en) | 2016-03-31 | 2016-03-31 | A kind of Optical fiber plug component and the optic fibre switching connector using the component |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105717581A true CN105717581A (en) | 2016-06-29 |
| CN105717581B CN105717581B (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610197776.6A Active CN105717581B (en) | 2016-03-31 | 2016-03-31 | A kind of Optical fiber plug component and the optic fibre switching connector using the component |
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| Country | Link |
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| CN (1) | CN105717581B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236805A (en) * | 2022-07-12 | 2022-10-25 | 延边大学 | Optical fiber switching device for communication engineering |
| CN115561864A (en) * | 2022-11-04 | 2023-01-03 | 南京全信光电系统有限公司 | Adapter for MT-MT optical fiber jumper connection and MT-MT optical fiber jumper connection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59116606A (en) * | 1982-12-23 | 1984-07-05 | Seiko Instr & Electronics Ltd | Conversion adapter for optical connector |
| US8070366B1 (en) * | 2009-05-18 | 2011-12-06 | Lockheed Martin Corporation | Optical fiber connector and method |
| CN105425345A (en) * | 2015-11-23 | 2016-03-23 | 中航光电科技股份有限公司 | Sealed optical fiber connector |
-
2016
- 2016-03-31 CN CN201610197776.6A patent/CN105717581B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59116606A (en) * | 1982-12-23 | 1984-07-05 | Seiko Instr & Electronics Ltd | Conversion adapter for optical connector |
| US8070366B1 (en) * | 2009-05-18 | 2011-12-06 | Lockheed Martin Corporation | Optical fiber connector and method |
| CN105425345A (en) * | 2015-11-23 | 2016-03-23 | 中航光电科技股份有限公司 | Sealed optical fiber connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115236805A (en) * | 2022-07-12 | 2022-10-25 | 延边大学 | Optical fiber switching device for communication engineering |
| CN115236805B (en) * | 2022-07-12 | 2024-03-19 | 延边大学 | Optical fiber switching device for communication engineering |
| CN115561864A (en) * | 2022-11-04 | 2023-01-03 | 南京全信光电系统有限公司 | Adapter for MT-MT optical fiber jumper connection and MT-MT optical fiber jumper connection method |
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| Publication number | Publication date |
|---|---|
| CN105717581B (en) | 2018-01-09 |
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