CN209471272U - Optical fiber connector - Google Patents
Optical fiber connector Download PDFInfo
- Publication number
- CN209471272U CN209471272U CN201822172422.3U CN201822172422U CN209471272U CN 209471272 U CN209471272 U CN 209471272U CN 201822172422 U CN201822172422 U CN 201822172422U CN 209471272 U CN209471272 U CN 209471272U
- Authority
- CN
- China
- Prior art keywords
- inner housing
- rear end
- housing
- flaring
- optical fiber
- 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.)
- Withdrawn - After Issue
Links
- 239000013307 optical fiber Substances 0.000 title claims abstract description 40
- 239000011159 matrix material Substances 0.000 claims abstract description 28
- 230000006978 adaptation Effects 0.000 claims abstract description 13
- 230000013011 mating Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- Mechanical Coupling Of Light Guides (AREA)
Abstract
The utility model relates to a kind of optical fiber connectors, optical fiber connector includes outer housing and inner housing, lock pin and the goring push spring for pushing tow lock pin forward are equipped in inner housing, the rear end of inner housing is fitted with spring retainer seat, spring retainer seat includes matrix part, the at least side opening's edge of inner housing open rearward end is equipped with the flaring structure that chamfering is formed, the rear end of described matrix portion is equipped with flaring adaptation section, flaring adaptation section has the inclined side being adapted to flaring, and the rear end face of flaring adaptation section is near the rear end face for being located axially at inner housing of housing unit.It limits and cooperates by the flaring adaptation section of the matrix part on spring retainer seat and the flaring structure of housing unit, it avoids and position limiting structure is set in the rear end of matrix part, reduce the axial dimension after housing unit is connect with spring retainer seat, so as to shorten the length of optical fiber connector along the longitudinal direction, optical fiber connector is made to can satisfy the application of limited space.
Description
Technical field
The utility model relates to a kind of optical fiber connectors.
Background technique
In fiber optic communication, need to realize continuation, distribution, the switching etc. between different optical fiber using optical fiber connector.Its
In, MPO optical fiber connector has that Connection Density is high, stable and reliable for performance, compact, easy to operate and be easy to cable management
The advantages that and be widely used.As the increase of Connection Density and cabinet increasingly minimize, the space of optical fiber connector is left for
It is smaller and smaller.
Authorization Notice No. is that the Chinese utility model patent of CN202453542U discloses a kind of optical fiber connector, the optical fiber
Connector includes housing unit, the ferrule assembly for being inserted into housing unit and ferrule assembly is maintained at housing unit
Interior holding seat, housing unit include outer housing and inner housing, keep seat to constitute spring retainer seat, keeping seat includes matrix part
With the cantilever extended by matrix forward end, the rear end of matrix part is equipped with the tail sleeve engaging portion connecting with tail sleeve, wherein cantilever is pairs of
Setting, cantilever are equipped with for the barb with housing unit locking cooperation, keep being equipped with elasticity among seat and two cantilever designs
Press the spring of ferrule assembly.But above-mentioned cantilever needs compressive deformation in assembling process, it is therefore necessary to guarantee that cantilever has
Certain length ensures not to be destroyed when deforming, and it is longer that this results in cantilevers, and in addition housing unit mounting base is along axial point
Cloth, it is also desirable to which biggish axial space causes the length of optical fiber connector longer, it is difficult to meet space requirement；In addition, cantilever is easy
Deformation also results in the problem of buckle failure.
Utility model content
The purpose of this utility model is to provide a kind of optical fiber connectors, to solve optical fiber connector axis in the prior art
To longer dimension, it is difficult to the problem of meeting space requirement.
To achieve the above object, the technical solution of the utility model optical fiber connector is:
Optical fiber connector includes housing unit, and housing unit includes outer housing and inner housing, be equipped in inner housing lock pin and
For the goring push spring of pushing tow lock pin forward, the rear end of inner housing is fitted with the spring retainer for being limited to goring push spring
Seat, spring retainer seat include opening positioned at the tail sleeve engaging portion of rear end and the matrix part adjacent with tail sleeve engaging portion, inner housing rear end
At least side opening's edge of mouth is equipped with the flaring structure that chamfering is formed, and the rear end of described matrix portion is equipped with flaring and is adapted to section, and flaring is suitable
There is with section and be flared the inclined side that be adapted to, flaring is adapted to the rear end face of section in the inner housing that is located axially at of housing unit
Near rear end face.
The beneficial effects of the utility model are: the flaring by the matrix part on spring retainer seat is adapted to section and housing unit
Flaring structure limit cooperation, make the rear end face of matrix part near the rear end face that housing unit is located axially at inner housing, together
When avoid matrix part rear end be arranged position limiting structure, reduce the axial ruler after housing unit is connect with spring retainer seat
It is very little, so as to shorten the length of optical fiber connector along the longitudinal direction, optical fiber connector is made to can satisfy the application of limited space
Occasion.
The rear end face of the flaring adaptation section is concordant with the rear end face of inner housing, or the rear end face of flaring adaptation section is recessed
Or the rear end face of inner housing is stretched out no more than 5mm.Further shorten the effective length of optical fiber connector along the longitudinal direction.
The spring retainer seat is equipped with the elastic cantilever to overhang forward, and elastic cantilever is equipped with clamping protrusion, inner housing
Inner wall be equipped with and the clamping that be adapted to of clamping protrusion is recessed, for realizing axial along inner housing between clamping protrusion and inner housing
The block mating surface of block cooperation is sweptback inclined-plane.It is clasped by clamping protrusion and clamping recess convenient for spring limit
The dismounting of position seat and inner housing.
The radial dimension of described matrix portion is less than the size of the inner housing open rearward end.Inner housing is inserted into convenient for matrix part
In.
The inner housing is equipped with shell pin channel, and spring retainer seat is equipped with corresponding limit base pin channel, institute
State axially position of the pin along inner housing that spring retainer seat passes through while penetrating shell pin channel and limit base pin channel
In inner housing, limit base pin channel is the limit base groove that spring retainer seat side is arranged in, the shell pin
Channel includes aperture and housing groove, and limit base groove and housing groove are located in phase in inner housing in the spring retainer seat
Mutual pairing.It is inserted into aperture and groove by pin, is locked relatively firm.
The cross section of the inner housing is rectangle, and the side of described matrix portion is equipped with boss, the rear end of inner housing and square
The corresponding side wall of the long side of shape is equipped with for the notch with the boss location fit, and the boss protrudes inner casing body sidewall,
Outer housing be equipped with sliding slot corresponding with boss, sliding slot front end have outer housing unlock when for boss block cooperation before
Block wall.By boss and notch location fit, spring retainer seat is avoided to be excessively inserting inner housing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment 1 of the optical fiber connector of the utility model；
Fig. 2 is the explosive view of Fig. 1；
Fig. 3 is the cross-sectional view of Fig. 1；
Fig. 4 is the structural schematic diagram of the specific embodiment 1 of the inner housing of the utility model；
Fig. 5 is the structural schematic diagram of the specific embodiment 1 of the spring retainer seat of the utility model；
Fig. 6 is the structural schematic diagram of the specific embodiment 2 of the optical fiber connector of the utility model；
Fig. 1 is into Fig. 5: 1- outer housing；2- inner housing；3- reset spring；4- pin；5- lock pin；6- positioning seat；7- light
It is fine；8- goring push spring；9- spring retainer seat；10- turns edge outside；11- notch；12- aperture；13- housing groove；14- flaring structure；
15- limit base groove；16- boss；17- tail sleeve engaging portion；18- matrix part；19- flaring adaptation section；20- sliding slot；Block before 21-
Wall；
In Fig. 6: 101- outer housing；102- inner housing；103- lock pin；104- optical fiber；105- goring push spring；106- spring limit
Position seat；107- clamping protrusion；108- clamping recess.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the optical fiber connector of the utility model, as depicted in figs. 1 and 2, optical fiber connector includes shell
Component, housing unit include outer housing 1 and inner housing 2, and inner housing has cavity, ferrule assembly are equipped in cavity, for forward
The goring push spring 8 of pushing tow ferrule assembly and spring retainer seat 9 for being limited to goring push spring 8.As shown in Fig. 2, inserting
Core assembly includes positioning seat 6, and the front end of positioning seat 6 is equipped with lock pin 5, is equipped with optical fiber 7, pushing tow bullet along the longitudinal direction in lock pin 5
Spring 8 is set on optical fiber 7, and the opposite end of positioning seat 6 and spring retainer seat 9 is equipped with the limit for placing 8 both ends of goring push spring
Step.
As shown in figure 5, in the present embodiment, spring retainer seat 9 include positioned at rear end tail sleeve engaging portion 17 and with tail sleeve knot
Conjunction portion 17 is adjacent and the matrix part 18 of 17 front end of tail sleeve engaging portion is arranged in, and the open rearward end of inner housing is flaring structure 14, this
Flaring structure 14 in embodiment is by four side ports along forming, and in other embodiments, flaring structure is by one or more
Side port along formed.In the present embodiment, each side of flaring structure 14 is straight inclined-plane, in other embodiments, flaring structure 14
Each side be curve slope.The rear end of matrix part 18 is that the flaring of being adapted to flaring structure with taper is adapted to section 19,
The rear end face of flaring adaptation section 19 is concordant with the rear end face of inner housing 2 in the axial direction of housing unit, shortens optical fiber connector
Effective length along the longitudinal direction.In other embodiments, the rear end face of spring retainer seat is located at before the rear end face of inner housing
Or later.In the present embodiment, reset spring 3 is equipped between inner housing 2 and outer housing 1,2 rear end of inner housing, which is equipped with, to be used to support again
The outer of position spring 3 turns edge 10, the miner diameter end of flaring structure 14 be located at turn edge outside 10 leading flank and trailing flank between, do not increasing
Guarantee the intensity of flaring structure in the case where inner housing radial dimension.In other embodiments, the miner diameter end of flaring structure is located at
It is before the leading flank to turn edge outside or concordant with the leading flank to turn edge outside.
As shown in Figures 3 to 5, inner housing 2 is equipped with central axis in aperture 12 in the front-back direction and along aperture 12
The housing groove 13 that centerline direction extends, aperture 12 and housing groove 13 constitute shell pin channel, on spring retainer seat 9
Equipped with the limit base groove 15 being inserted into 13 pairing of housing groove for pin 4, limit base groove 15 constitutes limit base pin
Channel.It is inserted into aperture and groove by pin, is locked relatively firm；Reduce the length of cantilever simultaneously, to reduce connection
The effective length of device axial direction.In the present embodiment, limit base groove 15 is arranged in pairs and is symmetrically distributed in the two of spring retainer seat 9
Side, aperture 12 and housing groove 13 on corresponding inner housing are arranged in pairs, and by two pins 4 by 9 He of spring retainer seat
Inner housing locking, the reliability after ensure that inner housing and the locking of spring retainer seat, in other embodiments, limit base groove
Quantity is one or three or more, and aperture and housing groove and limit base groove correspond.In the present embodiment, housing groove 13
It is rectangular channel with limit base groove 15, the cross section of corresponding pin 4 is rectangle, further improves inner housing and spring retainer
Reliability after seat locking.In other embodiments, housing groove and limit base groove are rectangular channel, correspond to the transversal of pin
Face is circle.In the present embodiment, limit base groove 15 penetrates through spring retainer seat 9 and is arranged, to increase limit base groove and pin
Contact area guarantees uniform force after the insertion inner housing locking of spring retainer seat, avoids spring retainer seat run-off the straight.At other
In embodiment, limit base groove does not extend through spring retainer seat, may be by after the inner housing locking of spring retainer seat insertion at this time
Power is uneven, leads to spring retainer seat run-off the straight, to cause the damage of optical fiber.
In the present embodiment, the cross section of inner housing 2 is rectangle, and the side of matrix part 18 is equipped with boss 16, inner housing 2
Rear end side wall corresponding with the long side of rectangle is equipped with for the notch 11 with 16 location fit of boss, and boss 16 protrudes interior
The side wall of shell 2, as shown in Fig. 2, outer housing 1 is equipped with sliding slot 20 corresponding with boss 16, the front end of sliding slot 20 has outside
For avoiding bullet by boss 16 and 11 location fit of notch with the preceding block wall 21 that 16 block of boss cooperates when shell 1 unlocks
Spring limit base 9 is excessively inserting inner housing 2.In other embodiments, boss is not provided on the side of matrix part.
The specific embodiment 2 of the optical fiber connector of the utility model, as shown in fig. 6, optical fiber connector includes housing unit,
Housing unit includes outer housing 101 and inner housing 102, and inner housing 102 has cavity, be equipped in cavity ferrule assembly, for
Sinciput pushes and plugs the goring push spring 105 of core assembly and the spring retainer seat 106 for being limited to goring push spring 105.Lock pin
Component includes positioning seat, and the front end of positioning seat is equipped with lock pin 103, is equipped with optical fiber 104, pushing tow along the longitudinal direction in lock pin 103
Spring 105 is set on optical fiber 104, and the opposite end of positioning seat and spring retainer seat 106 is equipped with for placing 8 both ends of goring push spring
Limited step.Spring retainer seat 106 is equipped with the elastic cantilever to overhang forward, and elastic cantilever is equipped with clamping protrusion 107, interior
The inner wall of shell 102 is equipped with the clamping recess 108 being adapted to clamping protrusion 107, between clamping protrusion 107 and inner housing 102
For realizing being sweptback inclined-plane along the block mating surface of the axial block cooperation of inner housing 102, by being clamped raised 107 Hes
Clamping recess 108 is clasped convenient for the dismounting of spring retainer seat 106 and inner housing 102.In the present embodiment, spring retainer seat
106 further include matrix part and the tail sleeve engaging portion connecting with the rear end of matrix part, and convex block, corresponding inner casing are not provided on matrix part
It is not provided with notch on body 102, sliding slot is not provided on outer housing 101, the radial dimension of matrix part is less than 102 open rearward end of inner housing
Size.
Claims (6)
1. optical fiber connector, including housing unit, housing unit includes outer housing and inner housing, is equipped with lock pin and use in inner housing
In the goring push spring of pushing tow lock pin forward, the rear end of inner housing is fitted with the spring retainer for being limited to goring push spring
Seat, spring retainer seat include the tail sleeve engaging portion and the matrix part adjacent with tail sleeve engaging portion positioned at rear end, it is characterised in that: interior
At least side opening's edge of housing rear end opening is equipped with the flaring structure that chamfering is formed, and the rear end of described matrix portion is equipped with flaring adaptation
Section, flaring adaptation section have the inclined side being adapted to flaring, and the rear end face of flaring adaptation section is upper in the axial direction of housing unit
Near the rear end face of inner housing.
2. optical fiber connector according to claim 1, it is characterised in that: the rear end face and inner housing of the flaring adaptation section
Rear end face it is concordant, or flaring adaptation section rear end face it is recessed or stretch out inner housing rear end face be not more than 5mm.
3. optical fiber connector according to claim 1 or 2, it is characterised in that: the spring retainer seat is equipped with to front overhang
The elastic cantilever stretched, elastic cantilever are equipped with clamping protrusion, and it is recessed that the inner wall of inner housing is equipped with the clamping being adapted to clamping protrusion
It falls into, it is sweptback oblique for being clamped between protrusion and inner housing for realizing the block mating surface cooperated along inner housing axial direction block
Face.
4. optical fiber connector according to claim 1 or 2, it is characterised in that: the radial dimension of described matrix portion is less than institute
State the size of inner housing open rearward end.
5. optical fiber connector according to claim 1 or 2, it is characterised in that: the inner housing is logical equipped with shell pin
Road, spring retainer seat are equipped with corresponding limit base pin channel, and the spring retainer seat, which passes through while penetrating shell pin, to be led to
Pin being axially positioned in inner housing along inner housing in road and limit base pin channel, limit base pin channel are setting
Limit base groove in spring retainer seat side, shell pin channel include aperture and housing groove, limit base groove with
Housing groove mutual pairing when the spring retainer seat is located in inner housing.
6. optical fiber connector according to claim 1 or 2, it is characterised in that: the cross section of the inner housing is rectangle, institute
The side for stating matrix part is equipped with boss, the rear end of inner housing and the corresponding side wall of the long side of rectangle be equipped with for it is described convex
The notch of platform location fit, the boss protrude inner casing body sidewall, and outer housing is equipped with sliding slot corresponding with boss, sliding slot front end
With the preceding block wall when outer housing is unlocked for cooperating with boss block.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018216173644 | 2018-09-30 | ||
| CN201821617364 | 2018-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209471272U true CN209471272U (en) | 2019-10-08 |
Family
ID=68089589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822172422.3U Withdrawn - After Issue CN209471272U (en) | 2018-09-30 | 2018-12-24 | Optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209471272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618497A (en) * | 2018-09-30 | 2019-12-27 | 中航光电科技股份有限公司 | Optical fiber connector |
-
2018
- 2018-12-24 CN CN201822172422.3U patent/CN209471272U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618497A (en) * | 2018-09-30 | 2019-12-27 | 中航光电科技股份有限公司 | Optical fiber connector |
| CN110618497B (en) * | 2018-09-30 | 2024-04-05 | 中航光电科技股份有限公司 | Optical fiber connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240405 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191008 Effective date of abandoning: 20240405 |