CN209400740U - A kind of blindmate neutrality expanded core fiber connector - Google Patents
A kind of blindmate neutrality expanded core fiber connector Download PDFInfo
- Publication number
- CN209400740U CN209400740U CN201920141617.3U CN201920141617U CN209400740U CN 209400740 U CN209400740 U CN 209400740U CN 201920141617 U CN201920141617 U CN 201920141617U CN 209400740 U CN209400740 U CN 209400740U
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- Prior art keywords
- connector
- claw
- core fiber
- blindmate
- expanded core
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Abstract
The utility model relates to a kind of blindmate neutrality expanded core fiber connectors, including shell, inner casing, optical link, the shell includes outer housing, installation sealing ring, O-ring, locking nut, the inner casing is attached comprising inner housing, tail, the optical link includes positioning pin, face sealing ring, collimator, matrix, middle set, spring, the collimator installation is in the base, the optical link keeps radial position precision by positioning pin, keeps axial precision by the pressure of the offer of spring；The socket connector of expanded core fiber connector in the utility model, pin connector can Fast transforms, and it can realize blind plugging function, and realize the neutral connection of plug and pin connector, plug and socket connector, and because design structure improves, overall structure is easily fabricated, product qualified rate is high, at low cost.
Description
Technical field
The utility model belongs to optical fiber transmission technique field, and in particular to a kind of expanded core fiber connector.
Background technique
Expanded core fiber connector have the characteristics that it is easy to clean, dust-proof, thus beam expansion connector be widely used in field,
In the adverse circumstances such as airborne.Currently, the optical fiber connector production technology complexity that expanded core fiber connector is more common, it generally can not be real
Expanded core fiber connector can now be made.It frequently encounters to need to change when having completed wiring in actual use and insert
Head connector is that socket connector or socket connector are changed to pin connector.
In existing expanded core fiber connector, mounting flange and the connector of socket connector are integrated, and not can remove.Allusion quotation
PRO BEAM Sr, the big expanded core fiber connector of Jr, Mini tri- of the expanded core fiber connector such as TE (safe section's electronics) of type, plug
Connector can be coupled with socket connector or pin connector, even and if cannot be with socket after socket connector removal flange
Connector mating, need to remake when this all makes construction site that pin connector be needed freely to convert with socket connector and connect
Device, as application No. is: 201120081111.1 it is inner described in expanded core fiber (optical cable) connector, connector mating when, wherein
Guide post (being described in this patent are as follows: positioning pin) need first alignment guide post holes pilot hole (to describe in this patent are as follows: positioning
Hole), this expanded core fiber connector does not have blind plugging function；Furthermore the socket and plug structure class of this expanded core fiber connector
Seemingly, on the shell to be provided with a flange more, flange, heat in process are such as eliminated using the method for machining
Amount, vibration, deformation can make the degradation of connector, and the equipment being furthermore machined such as lathe volume, weight is larger,
Also need mating associated clamps.This to carry out plug and socket at the scene expanding optical connector at present, can only make again
Make.
To solve construction site Fast transforms expanded core fiber pin connector and socket connector, and it is able to achieve plug company
The technical issues of connecing device and socket connector realization blind plugging function, the utility model provides a kind of blindmate neutrality expanded core fiber connection
Device.
Utility model content
Problem to be solved in the utility model is to overcome the problems, such as of the existing technology, provides a kind of blindmate neutrality and expands
Optical fiber connector, effectively to realize the expanded core fiber connection of Fast transforms plugs and sockets.
In order to solve the above technical problems, the technical solution of the utility model is achieved in that
A kind of blindmate neutrality expanded core fiber connector, including shell, inner casing, optical link, it is characterised in that: described outer
Shell includes outer housing 3, installation sealing ring 6, O-ring 7, locking nut 9, and the inner casing includes inner housing 8, tail attached 12, the light
Learning interconnecting piece includes positioning pin 1, face sealing ring 2, collimator 4, matrix 5, middle set 10, spring 11, and the collimator 4 is mounted on base
In body 5, the optical link keeps radial position precision by positioning pin 1, is kept by the pressure of the offer of spring 11
Axial precision；The face sealing ring 2 is mounted on 5 front end face of described matrix to realize inner casing, optical link sealing；In described
The outside of face sealing ring 2, matrix 5, middle set 10, spring 11 is arranged in shell 8；Outer housing 3, locking nut 9, face sealing ring 2 are set
It sets in the outside of the inner housing 8；The O-ring 7 is arranged between the inner housing 8 and outer housing 3, attached 12 setting of tail
It is fixed on the connectors in by optical cable, the optical fiber in optical cable is installed in collimator 4.
Further, an opening is provided on the locking nut 9, the inner housing 8 is provided with claw 81 and claw is matched
Conjunction face 84；It is provided with bail hole 82 on the claw 81, is provided with bail 83 in the claw mating surface 84.
Further, position removal partial shell material of 8 middle part of inner housing without claw forms a depressed area
Claw mating surface 84 is formed, bail 83, the claw 81 and the number of claw mating surface 84 are provided in the claw mating surface 84
Amount is 2.
Further, the outer housing 3, claw 81, positioning pin 1 successively become smaller relative to the projecting height of matrix 5, described
Two claws 81,3 inner wall of outer housing, claw mating surface 84 form plug guide space.
Further, the outer housing 3, face sealing ring 2 are detachable structure, and 1 bared end of positioning pin is provided with down
Angle or rounding.
Further, an opening 91, the company between the locking nut 9 and outer housing 3 are provided on the locking nut 9
Socket part position is provided with screw thread and the outer housing 3 is threadedly secured in outside the inner housing 8 of connector by described.
The utility model can bring it is following the utility model has the advantages that
The socket connector of expanded core fiber connector in the utility model, pin connector can Fast transforms, and can be real
Existing blind plugging function, and realize the neutral connection of plug and pin connector, plug and socket connector, and because design structure changes
Good, overall structure is easily fabricated, product qualified rate is high, at low cost.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and being implemented in accordance with the contents of the specification, and in order to allow the above and other purpose, feature of the utility model
It can be more clearly understood with advantage, it is special below to lift preferred embodiment, and cooperate attached drawing, detailed description are as follows.
Detailed description of the invention
Fig. 1 is the utility model blindmate neutrality expanded core fiber connector body connector form internal structure chart
Fig. 2 is the utility model blindmate neutrality expanded core fiber connector body connector form external structure schematic diagram
Fig. 3 the utility model blindmate neutrality expanded core fiber connector body connector form stereoscopic schematic diagram
Fig. 4 is the pin connector morphosis schematic diagram of the utility model blindmate neutrality expanded core fiber connector
Fig. 5 is the utility model blindmate neutrality expanded core fiber connector body connector form optics end view drawing
Fig. 6 is the utility model blindmate neutrality expanded core fiber connector locking nut three-dimensional structure diagram
Fig. 7 is that the socket connector of the utility model blindmate neutrality expanded core fiber connector mutually switches with pin connector
Schematic diagram
It is as shown in the figure:
1 positioning pin, 2 face sealing ring, 3 outer housing, 31 inner wall
4 collimator, 5 matrix, 51 location hole, 52 mounting hole
6 installation 7 O-ring of sealing ring, 8 inner housing, 9 locking nuts
It is attached that 11 spring, 12 tail is covered in 10
81 claw, 82 bail hole, 83 bail
84 claw mating surfaces 91 opening
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
In order to be more clearly understood the purpose of this utility model technical solution and advantage, now in conjunction with attached drawing and implementation
Example is described in further details the utility model.
Provided by the utility model is a kind of blindmate neutrality expanded core fiber connector, is able to achieve pin connector and socket connects
Device is connect to be switched fast.Specifically, the utility model includes each funtion part of expanded core fiber connector: shell, inner casing, optics connect
Socket part.Casing part includes outer housing 3, installation sealing ring 6, O-ring 7, locking nut 9.In, 3 company of being provided with of outer housing
The mounting flange for connecing device realizes the function of socket of connector.Locking nut 9 will be outside the inner housing 8 of 3 fixed connection device of outer housing.
For convenience of the taking-up of locking nut 9, an opening 91 is provided on locking nut 9, it is whole such as " C " shape.Inner casing includes inner housing 8, tail
Attached 12.
As shown in fig. 7, unscrewing locking nut 9 when socket connector is converted to pin connector to completely disengaged, connecting
Device tail portion takes out locking nut 9 from opening 91 from optical cable；Outer housing 3, installation 6 and of sealing ring are taken out from connector front
Locking nut 9, that is, can be switched to pin connector.O-ring 7 is rubber material, can easily be taken out from connector, can also be with
It does not take out.Conversely, then socket connector can be switched to from pin connector.Sealing ring 6 is installed and realizes socket connector installation
External seal in connector in equipment.O-ring 7 realizes the sealing between inner housing 8, outer housing 3.
There are two symmetrical " C " shape claws 81 for the setting of 8 front of inner housing.Position in the middle part of inner housing without claw removes part
Case material forms a depressed area, forms two claw mating surfaces 84, and a bail 83 is arranged in claw mating surface.
Respective claw cooperates with the claw mating surface of other side respectively when two connector cooperations, and respective bail is matched with bail hole respectively
It closes.The bail and card Bolt-hole fits for only needing a side, can be realized linkage function.Tail attached 12 is arranged in 8 rear end of inner housing, by light
Cable is fixed on the connectors, and the current existing various attached structures of tail can be used.
Optical link includes: positioning pin 1, face sealing ring 2, collimator 4, matrix 5, middle set 10, spring 11.Optics connection
Optical fiber collimator 4 in the optical cable that connector is packed by device portion.Collimator 4 in connector realizes the optical signal transmitted in optical fiber
Realization expands transmission.In the mounting hole 52 for the fixation position that collimator 4 is adhesively fixed on matrix 5 using glue.It is installed on matrix 5
There is positioning pin 1, and location hole 51 is set.
The diameter of positioning pin 1 is slightly smaller than the diameter of location hole 51, forms clearance fit, and gap width is usually no more than 0.1mm.
Mutual alignment between positioning pin 1 and location hole 51, collimator 4 is certain value, general to require to be no more than for position error
0.1mm.It is each provided with mutually matched belt groove between face sealing ring 2 and matrix 5, prevents face sealing ring 2 from taking off from matrix 5
It falls.Face sealing ring 2 is the rubber material of elasticity, and when compression prevents external steam, dust from entering inside connector, influences light
Road.Middle set 10 is connect with matrix 5, and rear end is provided with a spring 11.Middle set 10 prevents curved optical fiber from entering spring 11
Gap in protecting optical fiber.The rear end of spring 11 is connected with inner housing 8, when two connectors cooperate, the interlocking of 8 phase of inner housing
Tightly, the front surface of two matrixes 5 is fitted closely by the elastic force of spring 11.Pass through positioning pin 1 and location hole 51 and spring 11
Elastic force makes the stabilization of the holding of the optical path inside connector axially and radially, keeps the optical property of connector good.
To guarantee that pin connector can be connect with pin connector or socket connector, need to guarantee that the setting of collimator 4 exists
Suitable position.As shown in figure 5, being two optical paths, i.e., the optics end view drawing of the beam expansion connector of two collimators.Wherein collimate
Device 4 is arranged on line of symmetry 54, and positioning pin 1 and location hole 51 are symmetrical relative to line of symmetry 54, and with the center of positioning pin 1 and calmly
The center line 54 of the composition at the center in position hole 51.
In addition, the pin connector of the utility model and socket connector have good blindmate performance when cooperating.
As shown in Figure 1, Figure 3, the outer housing 3 of socket connector, claw 81, positioning pin 1 are relative to matrix front end face 51
Projecting height successively becomes smaller.In use, when not seeing or can only see partial socket connector, the claw 81 of pin connector
It will first be inserted in the inner wall 31 of the outer housing 3 of socket connector；Then pin connector, two claws of pin connector are rotated
In the guide space that 81 claws 81, inner wall 31, claw mating surface 84 for entering socket connector are formed；By pin connector
The precision positioning of connector is realized in the axial most the inside of push-in, in this process, positioning pin 1 and location hole 1, before positioning pin 1
End is provided with one big chamfering or rounding, can facilitate the plug of connector, and can reduce the processing essence of connector inner and outer shell
Degree；Bail 83 is easily rotated again and bail hole 82 cooperates, and realizes the cooperation of plug, socket connector.
Pin connector in the utility model can also cooperate with pin connector, but due to the missing of outer housing 3,
Lack a guide function of inner wall 31, it is good when blindmate performance does not have pin connector to cooperate with socket connector.
Each component function is described as follows:
Collimator with each optical fiber distribution frame with outside plant in optical cable, the optical signal transmitted on optical fiber is carried out to expand transmission respectively.
Face sealing ring is fixed on the belt groove position of the end face of matrix, realizes the sealing inside connector, and steam is prevented to enter connection
Inside device, optical property is influenced.
O-ring is then to guarantee the casing part inside socket connector and the sealing between inner shell sections, is sealed with installation
Circle is used cooperatively, and guarantees that wetly connector and equipment will not be entered inside connector together.Socket connector is connect with plug
When the mutual switching of device, take out or be packed into for convenience of locking nut, be provided with an opening on locking nut, facilitate locking nut from
It is traversed into or out on optical cable.When socket connector is converted to pin connector, locking nut is unscrewed from optical cable, outer housing,
Sealing ring is installed to take out from the front end face of connector, optical cable takes out from the opening of locking nut, that is, can be switched to plug connection
Device, installation sealing ring 6 realize that socket connector is mounted on external seal in the connector in equipment.
Inner shell sections realize mutual mating and the locking function of connector, attached comprising inner housing, tail.The setting of inner housing front
There are two symmetrical " C " shape claws.Position removal partial shell material in the middle part of inner housing without claw forms a depressed area,
Two claw mating surfaces are formed, and a bail is respectively set in claw mating surface.Respective claw when two connector cooperations
Respectively with the claw mating surface of other side cooperate, respective bail respectively with card Bolt-hole fits.Only need the bail and bail of a side
Hole cooperation, can be realized linkage function.Tail, which is set up, to be set in interior housing rear end, and optical cable is fixed on the connectors, can be used at present
The existing attached structure of various tails.
The major function of optical link is to realize the connection of optical fiber, comprising: positioning pin, face sealing ring, collimator, base
Body, middle set, spring.The optical fiber collimator in optical cable that connector is packed by optical conenctor portion.Collimator in connector is real
The optical signal realization transmitted in existing optical fiber expands transmission.Collimator is adhesively fixed on the installation of the fixation position of matrix using glue
In hole.Positioning pin is installed on matrix, and location hole is set.Entire optical link uses the precision positioning of positioning pin and matrix
It is accurately docked come the light beam of collimator when guaranteeing that two connectors cooperate, realizes the low-loss connection of entire connector.Face is close
Seal ring is arranged in matrix front end face, and guarantees prominent certain altitude；Spring setting mentions when being packed into connector at matrix rear portion
For pressure, guarantee that the front end face of matrix is adjacent to, and compress face sealing ring, prevents dust, steam from influencing the light of collimator
Road influences the optical link loss of connector.
Middle set and matrix connector, for protecting the optical fiber inside connector, and can be with the attached connector of tail.Spring setting exists
Middle set rear, in connector cooperation, providing compressing force fits closely the matrix of two connectors, guarantees that the connector of optical path is steady
It is fixed.
Blindmate cooperation: the height of the prominent matrix of positioning pin is less than the height of the prominent matrix of inner housing, the prominent matrix of inner housing
Height be less than the height of the prominent matrix of outer housing, the height of the prominent matrix of positioning pin, inner housing, outer housing successively reduces.This
When sample connector cooperates, with the insertion of pin connector, the inner wall of the claw of inner housing and outer housing cooperated before this, followed by
The cooperation of two connector claws is finally the cooperation of positioning pin and dowel hole.Accordingly even when connecting can't see partial socket
It, can also be by the way that pin connector be inserted into the outer housing of socket connector, most by the cylinder inner wall of outer housing when connecing device
Eventually by the cooperation of claw and bail and the cooperation of positioning pin and location hole, the optics connection of connector is confirmed, that is, realizes expansion
The blind plugging function of beam optical fiber connector.Furthermore the inner wall that outer housing is is a shaping drum, more than guide function with blindmate,
It can protect the claw of pin connector relative to claw compression strength also with higher.
This reality can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
With novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and saying herein
Bright General Principle is applied in other embodiments without having to go through creative labor.Therefore, the utility model is not limited to this
In embodiment, those skilled in the art's announcement according to the present utility model, do not depart from that the utility model scope made changes
Into and modification should all be within the protection scope of the utility model.
Claims (6)
1. a kind of blindmate neutrality expanded core fiber connector, including shell, inner casing, optical link, it is characterised in that: the shell
Comprising outer housing (3), installation sealing ring (6), O-ring (7), locking nut (9), the inner casing is attached comprising inner housing (8), tail
(12), the optical link includes positioning pin (1), face sealing ring (2), collimator (4), matrix (5), middle set (10), spring
(11), the collimator (4) is mounted in matrix (5), and the optical link keeps radial position essence by positioning pin (1)
Degree keeps axial precision by the pressure of the offer of spring (11)；Before the face sealing ring (2) is mounted on described matrix (5)
End face is to realize inner casing, optical link sealing；The inner housing (8) is arranged in face sealing ring (2), matrix (5), middle set
(10), the outside of spring (11)；Outer housing (3), locking nut (9), face sealing ring (2) setting are in the outer of the inner housing (8)
Portion；The O-ring (7) is arranged between the inner housing (8) and outer housing (3), and the tail attached (12), which is set to, consolidates optical cable
Determine on the connectors, the optical fiber in optical cable is installed in collimator (4).
2. blindmate neutrality expanded core fiber connector according to claim 1, it is characterised in that: set on the locking nut (9)
It is equipped with an opening, the inner housing (8) is provided with claw (81) and claw mating surface (84)；Card is provided on the claw (81)
Nail hole (82) is provided with bail (83) on the claw mating surface (84).
3. blindmate neutrality expanded core fiber connector according to claim 2, it is characterised in that: nothing in the middle part of the inner housing (8)
The position removal partial shell material of claw forms a depressed area and is formed claw mating surface (84), the claw mating surface
(84) it is provided on bail (83), the claw (81) and claw mating surface (84) quantity are 2.
4. blindmate neutrality expanded core fiber connector according to claim 3, it is characterised in that: the outer housing (3), claw
(81), positioning pin (1) successively becomes smaller relative to the projecting height of matrix (5), described two claws (81), outer housing (3) inner wall,
Claw mating surface (84) forms plug guide space.
5. the according to claim 1 or 2 or 3 or 4 blindmate neutrality expanded core fiber connectors, it is characterised in that: the outer housing
(3), face sealing ring (2) is detachable structure, and positioning pin (1) bared end is provided with chamfering or rounding.
6. blindmate neutrality expanded core fiber connector according to claim 5, it is characterised in that: the locking nut (9) and outer
Connecting portion between shell (3) is provided with screw thread and the outer housing (3) passes through the inner casing for being threadedly secured in connector
Body (8) is outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141617.3U CN209400740U (en) | 2019-01-28 | 2019-01-28 | A kind of blindmate neutrality expanded core fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920141617.3U CN209400740U (en) | 2019-01-28 | 2019-01-28 | A kind of blindmate neutrality expanded core fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400740U true CN209400740U (en) | 2019-09-17 |
Family
ID=67899021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920141617.3U Active CN209400740U (en) | 2019-01-28 | 2019-01-28 | A kind of blindmate neutrality expanded core fiber connector |
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| CN (1) | CN209400740U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613660A (en) * | 2019-01-28 | 2019-04-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of blindmate neutrality expanded core fiber connector |
| CN116667034A (en) * | 2023-07-31 | 2023-08-29 | 扬州市精诚电子有限公司 | Make things convenient for straight crimping cable plug of dismouting |
-
2019
- 2019-01-28 CN CN201920141617.3U patent/CN209400740U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613660A (en) * | 2019-01-28 | 2019-04-12 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | A kind of blindmate neutrality expanded core fiber connector |
| CN116667034A (en) * | 2023-07-31 | 2023-08-29 | 扬州市精诚电子有限公司 | Make things convenient for straight crimping cable plug of dismouting |
| CN116667034B (en) * | 2023-07-31 | 2023-10-03 | 扬州市精诚电子有限公司 | Make things convenient for straight crimping cable plug of dismouting |
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