CN207557531U - LC optical fiber duplex connectors - Google Patents
LC optical fiber duplex connectors Download PDFInfo
- Publication number
- CN207557531U CN207557531U CN201721443796.3U CN201721443796U CN207557531U CN 207557531 U CN207557531 U CN 207557531U CN 201721443796 U CN201721443796 U CN 201721443796U CN 207557531 U CN207557531 U CN 207557531U
- Authority
- CN
- China
- Prior art keywords
- plug
- optical fiber
- front frame
- duplex
- duplex connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000004411 aluminium Substances 0.000 claims abstract description 21
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 239000004677 Nylon Substances 0.000 claims abstract description 9
- 229920001778 nylon Polymers 0.000 claims abstract description 9
- 239000004568 cement Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 11
- 238000002788 crimping Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 8
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model discloses a kind of LC optical fiber duplex connector; including front frame, plug, aluminium hydraulic pressed connecting pipe and the tail sleeve for being sequentially connected and penetrating through; plug is disposed side by side in the screens of left and right two of duplex set; the front end of plug and the rear end grafting of front frame; the rear end of plug includes metal catheter; the inner wall of aluminium hydraulic pressed connecting pipe is set in ladder, and the larger one end of internal diameter is crimped with metal catheter and nylon layer, and the smaller one end of internal diameter is crimped with the plastic cement external protection of optical fiber.The utility model, by the way that aluminium hydraulic pressed connecting pipe is arranged to different two sections of internal diameter, this two sections once crimp respectively with the plastic cement external protection and nylon layer of optical fiber, shorten assembly time, reduce manufacture cost, increase the pull-out force of plug and optical cable.
Description
Technical field
The utility model is related to optical fiber connector field, more particularly to a kind of LC optical fiber duplex connector.
Background technology
Optical fiber connector is the device being attached between optical fiber and optical fiber, it docks two end face precisions of optical fiber
Get up so that launching fiber output light energy can be coupled in reception optical fiber to the maximum extent, and make its intervene optical link from
And it influences to be minimized caused by system.In the prior art, LC optical fiber duplex connector generally comprise sequentially connected front frame,
The parts such as lock pin, plug, duplex set, aluminium hydraulic pressed connecting pipe, heat-shrink tube and tail sleeve form, and structure is complex, and assembly time is longer, system
It makes of high cost.
Utility model content
The main purpose of the utility model is that propose a kind of LC optical fiber duplex connector, it is intended to solve existing LC optical fiber
Duplex connector construction is complex, manufactures the problem of of high cost.
To achieve the above object, the utility model proposes a kind of LC optical fiber duplex connector, including being sequentially connected and penetrating through
Front frame, plug, aluminium hydraulic pressed connecting pipe and tail sleeve, the plug is disposed side by side in the screens of left and right two of duplex set, described to insert
The front end of head and the rear end grafting of the front frame, the rear end of the plug include metal catheter, and the inner wall of the aluminium hydraulic pressed connecting pipe is in rank
Ladder setting, the larger one end of internal diameter is crimped with the metal catheter and nylon layer, outside the plastic cement of the smaller one end of internal diameter and optical fiber
Protective layer crimps.
Preferably, the metal catheter outer wall is provided with annular groove.
Preferably, the tail sleeve includes metal hose and is arranged on the netted plastic rubber layer of the metal hose outer wall, described
Metal hose one end is additionally provided with connecting portion, and the connecting portion is connected with the metal hose, for the aluminium hydraulic pressed connecting pipe grafting.
Preferably, the duplex set includes two screens arranged side by side, and the screens is the square structure that side opens,
The surface of the plug is provided with strip groove, is provided with what is be adapted to the strip groove on the inner wall of the rear end of the screens
Strip bulge.
Preferably, the front end of the plug, which is provided with, buckles a little, and the preceding back end of frame is provided with fits with the front end of the plug
The cavity matched, is provided on the cavity and a button hole that the button point is adapted to.
Preferably, the front end of the plug is not provided with buckleing being additionally provided be parallel to the metal catheter axis on one side a little
Gib block, be provided with the guide groove being adapted to the gib block on the cavity.
Preferably, the front frame is equipped with the first shrapnel, and the surface of the duplex set is provided with equipped with the second shrapnel.
Preferably, the LC optical fiber duplex connector further includes dust cap, and the front end of the front frame is internally provided with first
Circular cylindrical cavity, for the dust cap grafting.
Preferably, lock pin and the spring being socketed on the lock pin are additionally provided between the front frame and the plug.
Preferably, the plug surface is additionally provided with limiting salient point, for limiting the installation side of the plug and duplex set
To.
The utility model, by the way that aluminium hydraulic pressed connecting pipe is arranged to different two sections of internal diameter, this two sections respectively with outside the plastic cement of optical fiber
Protective layer and nylon layer once crimp, and increase the pull-out force of plug and optical cable, shorten assembly time, reduce and be manufactured into
This.
Description of the drawings
Fig. 1 is the structure diagram of LC optical fiber duplex connectors in one embodiment of the utility model；
Fig. 2 is the partial enlarged view of LC optical fiber duplex connectors in Fig. 1 embodiments.
Drawing reference numeral explanation：
Specific embodiment
In order to which the content for making the utility model is easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
To achieve the above object, the utility model proposes a kind of LC optical fiber duplex connectors, and with reference to Fig. 1, the LC optical fiber is double
Connection connector, including front frame 10, plug 20, aluminium hydraulic pressed connecting pipe 40 and the tail sleeve 50 for being sequentially connected and penetrating through, plug 20 is disposed side by side on
In the screens of left and right two of duplex set 30, the front end of plug 20 and the rear end grafting of front frame 10, the rear end of plug 20 include metal
Conduit 21, the inner wall of aluminium hydraulic pressed connecting pipe 40 are set in ladder, and the larger one end of internal diameter is crimped with metal catheter 21 and nylon layer, internal diameter compared with
Small one end is crimped with the plastic cement external protection of optical fiber.In the present embodiment, the internal diameter at 40 both ends of aluminium hydraulic pressed connecting pipe is different, and optical fiber passes through
After aluminium hydraulic pressed connecting pipe 40, nylon layer is covered on the metal catheter 21 of 20 tail end of plug, and the larger one end of 40 internal diameter of aluminium hydraulic pressed connecting pipe is by nylon
Lamination is connected between aluminium hydraulic pressed connecting pipe 40 and metal catheter 21.The smaller one end of 40 internal diameter of aluminium hydraulic pressed connecting pipe and the plastic cement external protection pressure of optical fiber
It is connected together.The present embodiment makes optical fiber that can once be crimped with plug 20 by the way that aluminium hydraulic pressed connecting pipe 40 is arranged to different two sections of internal diameter
It forms, assembly time is shortened relative to the prior art, reduce manufacture cost, increase the pull-out force of plug 20 and optical cable.
In another embodiment of the utility model, with reference to Fig. 1,21 outer wall of metal catheter is provided with annular groove.In this reality
It applies in example, the annular groove of 21 outer wall of metal catheter setting is used to increase between aluminium hydraulic pressed connecting pipe 40 and metal catheter 21 and nylon layer
Frictional force, the pull-out force of plug 20 and optical cable is increased in structure.
In another embodiment of the utility model, with reference to Fig. 1, tail sleeve 50 includes metal hose 51 and is arranged on metal hose
The netted plastic rubber layer 52 of 51 outer walls, 51 one end of metal hose are additionally provided with connecting portion 53, and connecting portion 53 is connected with metal hose 51,
For with 40 grafting of aluminium hydraulic pressed connecting pipe.In the present embodiment, the metal hose 51 of tail sleeve 50 can one way or another 180 degree bending, relatively
In existing plastic cement tail sleeve, the variation of the curvature of bending is gentler, and optical fiber bends also relatively gentle, signal in tail sleeve 50
Lose smaller.In addition, the netted plastic rubber layer 52 being arranged on metal hose 51 is used to connect with connecting portion 53.53 internal diameter of connecting portion
It is slightly less than the external diameter of a circle of the crimping portion of plug 20, connecting portion 53 can be with the direct grafting in crimping portion of plug 20, phase
For the prior art, without setting heat-shrink tube between crimping portion and connecting portion 53, the structure of LC fibre-optical splices is simplified, is dropped
Low manufacture cost.
In one preferred embodiment of the utility model, with reference to Fig. 2, duplex set 30 includes two screens arranged side by side, card
The square structure that position is opened for side, the surface of plug 20 is provided with strip groove 22, is provided on the inner wall of the rear end of screens
The strip bulge 31 being adapted to strip groove 22.In the present embodiment, two screens of duplex set 30 are arranged side by side, for being clamped simultaneously
Wrap plug 20.Plug 20 surface setting strip groove 22 it is vertical with 21 axis of metal catheter, the rear end of screens it is interior
The strip bulge 31 being adapted to strip groove 22 is provided on wall, for fixing plug 20, prevents plug 20 from duplex set 30
In come off.The side opening of screens is not fully wrapped around for plug 20, and thus bullet can occur in assembling process for duplex set 30
Property deformation, convenient plug 20 are inserted into.The utility model by setting phase respectively in the inner wall of duplex set 30 and the surface of plug 20
The setting strip bulge 31 and strip groove 22 being mutually adapted to, plug 20 is made, which to cover 30 with duplex, to be stably connected with.
In another embodiment of the utility model, with reference to Fig. 2, the front end of plug 20, which is provided with, buckles a little 25,10 rear end of front frame
The cavity being adapted to the front end of plug 20 is provided with, is provided on cavity and 25 button hole 12 being adapted to of button point.In the present embodiment,
The rear end of front frame 10 and the front end grafting of plug 20, the front end of plug 20 is preferably rectangular, and the cavity of 10 rear end of front frame setting is preferred
Square cavities 11, the front end square structure of plug 20 are adapted to square cavities 11.It is additionally provided in the front end of plug 20 and buckles a little 25,
The button point 25 is that section is trapezoidal protrusion.It is additionally provided in front frame 10 and button 25 matched rectangular button holes 12 of point.Plug 20 with
After 10 grafting of front frame, button point 25 is caught in button hole 12, and plug 20 is made to be not readily separated with front frame 10.
In the above-described embodiments, the front end of plug 20 is not provided with being additionally provided on one side for button point 25 and is parallel to metal catheter
The gib block 24 of 21 axis is provided with the guide groove 13 being adapted to gib block 24 on the cavity of front frame 10.In the present embodiment
The length for being shorter in length than guide groove 13 of gib block 24, guide groove 13 and gib block in the assembling process of plug 20 and front frame 10
24 setting plays the function of mistake proofing, and button point 25 is avoided to be happened with what button hole 12 cannot dock.The setting of groove simultaneously
Also make front frame 10 that elastic deformation can occur in radial direction, the gap increase between front frame 10 and plug 20 makes button point 25 and button hole 12
Easily snapping, the elastic deformation recovery of front frame 10, button point 25 connect even closer with button hole 12 after the completion of snapping.
In another embodiment of the utility model, with reference to Fig. 2, front frame 10 is equipped with the first shrapnel 14, is set on duplex set 30
There is the second shrapnel 32.In the present embodiment, the first shrapnel 14 extends from the front end of front frame 10 to its rear end, and the second shrapnel 32 is from double
The rear end of union 30 extends to its front end.After front frame 10 is assembled with plug 20, the first shrapnel 14 is located under the second shrapnel 32
Side.The limit protrusion being clamped with the connector sleeve of fibre-optical splice is additionally provided on first shrapnel 14.When pressing the second shrapnel 32, the
One shrapnel 14 pushes simultaneously.Limit protrusion is detached from from connector sleeve, and fibre-optical splice can be extracted out from connector sleeve.The present embodiment passes through
Set the first shrapnel 14 and the second shrapnel 32 that can facilitate the dismounting of fibre-optical splice and connector sleeve.
In one preferred embodiment of the utility model, with reference to Fig. 1, LC optical fiber duplex connectors further include dust cap 60, preceding
The front end of frame 10 is internally provided with the first circular cylindrical cavity, for 60 grafting of dust cap.Optical fiber can be with it after passing through front frame 10
His optical fiber connection, but the optical fiber in exposure air becomes easily infected by dust, influences connection effect and laser letter between optical fiber
Propagation number in a fiber, therefore can dust cap 60 be set in 10 front end of front frame.The front end of front frame 10 is internally provided with the first circle
Cylindrical chamber, for 60 grafting of dust cap.Optical fiber is infected with by setting dust cap 60 that can reduce dust.
In another embodiment of the utility model, with reference to Fig. 1, lock pin and set are additionally provided between front frame 10 and plug 20
It is connected on the spring 70 of lock pin one end.In the present embodiment, the hollow setting of lock pin, for across optical fiber, the cylinder rank of shape
Scalariform is set, and intermediate larger both ends are tiny, and lock pin is arranged among front frame 10 and plug 20.20 front end of plug is internally provided with
Accommodate the second circular cylindrical cavity of lock pin.Lock pin, which is inserted on one end of plug 20, is cased with spring 70, and 70 one end of spring is by the second circle
The bottom restraint of cylindrical chamber, the other end are constrained by the larger interlude of lock pin, for withstanding the larger interlude of lock pin with before
The bottom connection of the square cavities 11 of frame 10, enables lock pin to be fixed on inside front frame 10 and plug 20.In the present embodiment, pass through
Setting spring 70 and lock pin can ensure that optical fiber is in the middle of fibre-optical splice, facilitate docking for fibre-optical splice and other connectors.
In the above-described embodiments, 20 surface of plug is additionally provided with limiting salient point 23, covers 30 with duplex for limiting plug 20
Installation direction.Limiting salient point 23 is arranged on the tail portion of plug 20 and 10 inserting section of front frame, in 30 assembling of plug 20 and duplex set
When, the metal catheter 21 of 20 rear end of plug can only cover 30 front end insertion completion assembling from duplex.The utility model passes through setting
The assembling action that limiting salient point 23 makes plug 20 cover 30 with duplex has uniqueness, achievees the effect that mistake proofing.
It these are only the preferred embodiment of the utility model, not thereby limit the scope of protection of the utility model, it is every
Under the design of the utility model, the equivalent structure transformation made using the specification and accompanying drawing content of the utility model or straight
It connects/is used in other related technical areas indirectly and is included in the scope of protection of the utility model.
Claims (10)
1. a kind of LC optical fiber duplex connector, described to insert including front frame, plug, aluminium hydraulic pressed connecting pipe and the tail sleeve for being sequentially connected and penetrating through
Head is disposed side by side in the screens of left and right two of duplex set, the front end of the plug and the rear end grafting of the front frame, described to insert
The rear end of head includes metal catheter, which is characterized in that the inner wall of the aluminium hydraulic pressed connecting pipe is set in ladder, the larger one end of internal diameter and institute
Metal catheter and nylon layer crimping are stated, the smaller one end of internal diameter is crimped with the plastic cement external protection of optical fiber.
2. LC optical fiber duplex connector as described in claim 1, which is characterized in that the metal catheter outer wall is provided with annular
Groove.
3. LC optical fiber duplex connector as claimed in claim 2, which is characterized in that the tail sleeve includes metal hose and setting
In the netted plastic rubber layer of the metal hose outer wall, described metal hose one end is additionally provided with connecting portion, the connecting portion and institute
State metal hose connection, for the aluminium hydraulic pressed connecting pipe grafting.
4. LC optical fiber duplex connector as claimed in claim 3, which is characterized in that the duplex set includes be arranged side by side two
A screens, the screens are the square structure that side opens, and the surface of the plug is provided with strip groove, after the screens
The strip bulge being adapted to the strip groove is provided on the inner wall at end.
5. LC optical fiber duplex connector as claimed in claim 4, which is characterized in that the front end of the plug, which is provided with, buckles a little,
The preceding back end of frame is provided with the cavity being adapted to the front end of the plug, is provided with what is be adapted to the button point on the cavity
Button hole.
6. LC optical fiber duplex connector as claimed in claim 5, which is characterized in that the front end of the plug is not provided with buckleing a little
Be additionally provided with the gib block for being parallel to the metal catheter axis on one side, be provided on the cavity and be adapted to the gib block
Guide groove.
7. LC optical fiber duplex connector as claimed in claim 6, which is characterized in that the front frame is equipped with the first shrapnel, institute
The surface for stating duplex set is provided with equipped with the second shrapnel.
8. LC optical fiber duplex connector as claimed in claim 7, which is characterized in that the LC optical fiber duplex connector further includes
Dust cap, the front end of the front frame are internally provided with the first circular cylindrical cavity, for the dust cap grafting.
9. LC optical fiber duplex connector as claimed in claim 8, which is characterized in that also set between the front frame and the plug
It is equipped with lock pin and the spring being socketed on the lock pin.
10. LC optical fiber duplex connector as claimed in any one of claims 1-9 wherein, which is characterized in that the plug surface is also
Limiting salient point is provided with, for limiting the installation direction of the plug and duplex set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443796.3U CN207557531U (en) | 2017-11-01 | 2017-11-01 | LC optical fiber duplex connectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721443796.3U CN207557531U (en) | 2017-11-01 | 2017-11-01 | LC optical fiber duplex connectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557531U true CN207557531U (en) | 2018-06-29 |
Family
ID=62681805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721443796.3U Active CN207557531U (en) | 2017-11-01 | 2017-11-01 | LC optical fiber duplex connectors |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722323A (en) * | 2020-07-20 | 2020-09-29 | 深圳市海创光通信技术有限公司 | Fiber connector with tail sleeve capable of being bent at will |
-
2017
- 2017-11-01 CN CN201721443796.3U patent/CN207557531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111722323A (en) * | 2020-07-20 | 2020-09-29 | 深圳市海创光通信技术有限公司 | Fiber connector with tail sleeve capable of being bent at will |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180828 Address after: 261100 Hanting Street Office, Hanting District, Weifang City, Shandong Province Patentee after: Weifang Longsheng photoelectric Co., Ltd. Address before: 516473 A building, Ziyun Industrial Park, Goose Town, Shenzhen Shantou Special Cooperation Zone, Shanwei, Guangdong Co-patentee before: SHENZHEN LONGSHENG PHOTOELECTRIC CO., LTD. Patentee before: The Shenzhen Shantou Special Cooperation Area Longsheng photoelectricity Co. Ltd. Co-patentee before: Weifang Longsheng photoelectric Co., Ltd. |