CN209167591U - A kind of high duplication connect-disconnect structure of double APC lock pin adapters - Google Patents
A kind of high duplication connect-disconnect structure of double APC lock pin adapters Download PDFInfo
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- CN209167591U CN209167591U CN201821982543.8U CN201821982543U CN209167591U CN 209167591 U CN209167591 U CN 209167591U CN 201821982543 U CN201821982543 U CN 201821982543U CN 209167591 U CN209167591 U CN 209167591U
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Abstract
The utility model relates to technical field of optical fiber communication, in particular to a kind of high duplication connect-disconnect structure of double APC lock pin adapters.The high duplication connect-disconnect structure of double APC lock pin adapters, double APC lock pin adapters are set as the plane being parallel to each other close to one section of two opposite lateral surfaces of pedestal, pedestal is equipped with two opposite interfaces corresponding with the distance between plane, close-fitting structure is formed by the dimensional fits between control plane and interface, ensure the consistency of double APC lock pin adapter angles and actual requirement direction, and improve the angle automatching precision of double APC lock pin adapters and pedestal, not needing adjusting ring may make the optical port distance of optical filter in double APC lock pin adapter fiber cores and pedestal unified, substantially increase the coupling efficiency of optic communication device receiving end PD, and save an adjusting ring, reduce production cost.
Description
Technical field
The utility model relates to technical field of optical fiber communication, in particular to a kind of high duplication of double APC lock pin adapters
Connect-disconnect structure.
Background technique
Fiber optic communication is, by photoelectric conversion, to use up using light as carrier wave to transmit the communication system of information, laser and light
Fine lock pin adapter is the important component of optical fiber telecommunications system；Individual laser package technical requirements are higher, in optical chip work
The light issued is transmitted to fiber stub adapter coupled end, by fiber adapter, is transmitted to docking end adapter lock pin
When, two insertion core end faces will all generate Fresnel reflection phenomenon, and reflected light will directly affect the normal work of optical device, reduce and produce
Quality；And fiber stub adapter also requires high duplication, low insertion loss as transmission connector, these are all straight
Connect the quality for affecting optical fiber telecommunications system.
To reduce Fresnel reflection phenomenon, product quality is improved, existing optic communication device manufacturer is mostly inserted using double APC
Core adapter is that the lock pin both ends of fiber adapter are ground to oblique 8 degree of angles, passes through and couples double APC lock pin adapter modes
Fresnel reflection phenomenon is reduced to realize.The production process of the technique has following two points problem: first is that coupling double APC lock pin adaptations
During device, clamp hand presss from both sides double APC lock pin adapters in coupling, and lower clamp hand presss from both sides BASE pedestal, which needs Manual-alignment, nothing
Method ensures the consistency of double APC lock pin adapter angles and actual requirement direction so that plugged when product use it is less reproducible,
Insertion loss is increased, product quality is influenced；Second is that since the angle automatching of double APC lock pin adapters and pedestal is variant,
It needs to use the adjusting for adjusting ring to realize light emitting end in double APC lock pin adapter opposite bases, adjusts ring and make double APC
The optical port of 45 degree of optical filters leads to double APC lock pin adapters and peace apart from disunity in lock pin adapter fiber core and pedestal
The receiving end PD coupling height disunity of dress on the base receives coupling efficiency and has a greatly reduced quality.
Utility model content
The purpose of this utility model is that avoiding above-mentioned shortcoming in the prior art and providing a kind of contraposition precision
The high duplication connect-disconnect structure of high double APC lock pin adapters.
To achieve the above object, a kind of high duplication connect-disconnect structure of double APC lock pin adapters, including pedestal, peace are provided
Double APC lock pin adapters, the optical filtering that is arranged in the pedestal and is directed at double APC lock pin adapters mounted in the side of base
Piece, double APC lock pin adapters are the planes being parallel to each other close to one section of two opposite lateral surfaces of pedestal, on the pedestal
Equipped with two opposite interfaces corresponding with the distance between the plane；Expose and connects in double APC lock pin adapters and pedestal
The end face of the lock pin of the one end connect be from a plane to the inclined inclined-plane of another plane corresponding thereto, the optical filter with
The end face of the lock pin is tilted to same direction.
Wherein, double APC lock pin adapter shell middle section outwardly convexs form a circle snap ring, and the high duplication connect-disconnect structure is also
Including driving it to buckle close to or far from the adapter of the pedestal for blocking the snap ring.
Wherein, the adapter card is buckled with a pair of of elastic card claw, and pawl is away from the outer diameter for being slightly less than the snap ring.
Wherein, the plane and the interface are welded to connect.
Wherein, the adapter buckle is plastic material.
Wherein, the optical filter tilts 45 degree of inclination angles.
Wherein, double APC lock pin adapters include coaxial lock pin adapter shell, lock pin, sleeve and lock pin positioning
Seat, lock pin adapter shell are covered on the outside of sleeve and are interference fitted with it, and lock pin adapter shell is used to install one end of lock pin
Internal diameter be greater than sleeve outer diameter, sleeve diameter matches with lock pin outer diameter, and lock pin positioning seat includes for wrapping outside the lock pin
One section and the clamping end being interference fitted with it and internal diameter are enclosed and insertion end that sleeve outer diameter matches, in the lock pin insertion sleeve
Then the insertion end of the lock pin positioning seat is stuck in inside lock pin adapter shell between cartridge exterior, the lock pin and the set
Cylinder interference fit.
Wherein, two planes being parallel to each other of double APC lock pin adapters are located on the lock pin positioning seat.
The utility model has the advantages that the high duplication connect-disconnect structure of double APC lock pin adapters, expose double APC lock pin adapters with
The end face of the lock pin of one end of pedestal connection is reduced from a plane to the inclined inclined-plane of another plane corresponding thereto
Influence of the Fresnel reflection phenomenon to insertion loss, also, double APC lock pin adapters are close to two of one section of pedestal opposite
Lateral surface is set as the plane being parallel to each other, and pedestal is equipped with two opposite interfaces corresponding with the distance between plane,
Close-fitting structure and welded connecting are formed by the dimensional fits between control plane and interface, ensures double APC lock pin adapters
The consistency of angle and actual requirement direction, and the angle automatching precision of double APC lock pin adapters and pedestal is improved, no
It needs to adjust ring i.e. and may make the optical port distance of 45 degree of optical filters in double APC lock pin adapter fiber cores and pedestal unified, greatly
The coupling efficiency of optic communication device receiving end PD is improved greatly, and saves an adjusting ring, reduces production cost.
Detailed description of the invention
Fig. 1 is that the fit structure of double APC lock pin adapters of the high duplication connect-disconnect structure of double APC lock pin adapters shows
It is intended to.
Fig. 2 is that the end face structure of double APC lock pin adapters of the high duplication connect-disconnect structure of double APC lock pin adapters shows
It is intended to.
Fig. 3 is the structural schematic diagram of the high duplication connect-disconnect structure of double APC lock pin adapters.
Fig. 4 is the end structure illustration of the high duplication connect-disconnect structure of double APC lock pin adapters.
Fig. 5 is the fit structure schematic diagram of the high duplication connect-disconnect structure of double APC lock pin adapters.
Specific embodiment
The high duplication connect-disconnect structure of double APC lock pin adapters as seen in figures 3-5, including pedestal 6, is mounted on pedestal
Double APC lock pin adapters 5 of 6 sides are arranged in pedestal 6 and are directed at pair 45 degree of inclination angles of inclination of APC lock pin adapters 5
Optical filter 7, the right side and upper end of pedestal 6 are respectively used to installation light emitting devices and optical receiving set part.Double APC lock pin adapters 5
Shell middle section outwardly convex forms a circle snap ring, which further includes for blocking snap ring to drive it to lean on
Close or remote from the adapter buckle 8 of the plastic material of pedestal, adapter buckle 8 has a pair of of elastic card claw 81, and pawl is away from being slightly less than
The outer diameter of snap ring, adapter buckle 8 be assembled to double APC lock pin adapters 5 it is outer when elastic card claw 81 pawl point stretched on front side of snap ring
On rear side of to snap ring, the rear end of elastic card claw 81 is against on the leading flank of snap ring, and spacing is less than after the pawl point of elastic card claw 81 collapses
The trailing flank diameter of snap ring, so that elastic card claw 81 blocks the side of snap ring.Double APC lock pin adapters 5 are close to the one of pedestal 6
Two opposite lateral surfaces of section are the planes being parallel to each other, and pedestal 6 is equipped with corresponding with the distance between two planes two
A opposite interface, the two planes and the two interfaces are welded to connect, ensure the angles of double APC lock pin adapters 5 with
The consistency in actual requirement direction, and the angle automatching precision of double APC lock pin adapters 5 and pedestal 6 is improved, it does not need
Adjusting ring is that may make the fiber core of double APC lock pin adapters 5 and the optical port distance of 45 degree of optical filters 7 in pedestal 6 unified, greatly
The coupling efficiency of optic communication device receiving end PD is improved greatly, and saves an adjusting ring, reduces production cost.
Wherein, double APC lock pin adapters 5 are as shown in Figures 1 to 3, lock pin adapter shell 1, lock pin including coaxial arrangement
2, the axle center of lock pin 2 is arranged in sleeve 3 and lock pin positioning seat 4, fibre core.Two end faces of lock pin 2 are exposed in adapter respectively
The butt end in coupled end and insertion ceramic sleeve 3 outside shell 1, coupled end and butt end are all vertical with 2 axis of lock pin
Line formed one 8 degree angle (angle of the angle is between 5~13 degree) inclined-plane, and the inclination angle alpha of the two, β and
Direction is all identical, reduces influence of the Fresnel reflection phenomenon to insertion loss.
1 set of lock pin adapter shell is interference fitted on the outside of ceramic sleeve 3 and with it, and lock pin adapter shell 1 is for pacifying
The internal diameter for plugging one end of core 2 is greater than 3 outer diameter of ceramic sleeve, and 3 internal diameter of ceramic sleeve matches with 2 outer diameter of lock pin, lock pin positioning
Seat 4 includes for wrapping one section of the periphery of lock pin 2 and the clamping end being interference fitted with it and internal diameter and 3 outer diameter phase of ceramic sleeve
The insertion end matched, the insertion end that lock pin 2 is inserted into then lock pin positioning seat 4 in ceramic sleeve 3 be stuck in 1 inside of lock pin adapter shell and
Between 3 outside of ceramic sleeve, lock pin 2 and ceramic sleeve 3 are interference fitted.By lock pin positioning seat 4 come connecting core insert adapter outside
Shell 1, lock pin 2 and ceramic sleeve 3 form close-fitting structure by controlling the dimensional fits between these components, do not need using weldering
It connects or mode for dispensing glue realizes that fiber stub adapter and the assembling of docking end adapter lock pin 2 are fixed, easily controllable technique
Precision, and production cost is reduced, realize the double optimization of product quality and cost.
Specifically, two opposite lateral surfaces of the clamping end of lock pin positioning seat 4 be it is as shown in Figure 4 be parallel to each other it is flat
The flat position 41 for clamping that face is formed, the inclined-plane of the end face of lock pin 2 is from the flat position 41 of the upper surface of clamping end to corresponding thereto
Following flat position 41 tilts.The flat position 41 of lock pin positioning seat 4 is corresponding with the angle of insertion core end face in the lock pin adapter, makes
When with lock pin adapter, it is only necessary to which the direction and angle of observing flat position 41 are assured that direction and the angle of insertion core end face, protect
The Plug Action hindered when optical device product uses is not easy to make mistakes, has high duplication.
Wherein, the clamping end inside lock pin positioning seat 4 and between insertion end be equipped with circular step, lock pin positioning seat 4 insert
Enter end to be stuck between 1 inside of lock pin adapter shell and 3 outside of ceramic sleeve, then the end face of the circular step resists ceramic sleeve
3 end faces.
Wherein, with one section be interference fitted on the outside of ceramic sleeve 3 and greater than ceramic sleeve 3 inside lock pin adapter shell 1
One section of junction of outer diameter forms anchor ring 11, and the insertion end of lock pin positioning seat 4 resists the anchor ring 11.Specifically, anchor ring 11 with
The contact surface of the insertion end of lock pin positioning seat 4 is set as cambered surface.
The production method of the high duplication connect-disconnect structure of double APC lock pin adapters is as follows, and it is suitable to process double APC lock pins first
Orchestration 5:
(1) for being inserted into the symmetrical two flat positions of one end machining center of pedestal 1 on lock pin positioning seat 4, described in formation
Two planes being parallel to each other；
(2) lock pin 2 is pressed into lock pin positioning seat 4 and is penetrated lock pin positioning seat 4 with board using Pneumatic pressure, 2 liang of lock pin
End is exposed except lock pin positioning seat 4, and the assembling of lock pin 2 and lock pin positioning seat 4 is completed；
(3) two flat positions of lock pin positioning seat 4 are clamped with optical fiber grinding clamp, grinding lock pin 2 exposes in lock pin positioning seat 4
Except two end faces both make into parallel inclined-plane, the vertical direction of optical path makes at 8 degree of angles in the two inclined-planes and lock pin 2
The angle for obtaining flat position and the inclined-plane of lock pin 2 is fixed, and the contraposition angle on inclined-plane can be positioned by clamping flat position；
(4) sleeve 3 is made from one end insertion that 1 internal diameter of lock pin adapter shell is greater than 3 outer diameter of sleeve this one end of the two
End face, sleeve 3 be embedded in lock pin adapter shell 1 in one end be then interference fitted with it, complete lock pin adapter shell 1 with
The assembling of ceramic sleeve 3；
(5) lock pin 2 being through in lock pin positioning seat 4 is inserted into sleeve 3 with board using Pneumatic pressure, and lock pin positioning seat
4 are stuck between 1 inside of lock pin adapter shell and 3 outside of sleeve, complete the assembling of double APC lock pin adapters 5.
Then, double APC lock pin adapters 5, pedestal 6 and 8 assembly of adapter buckle are fixed:
(6) double APC lock pin adapters are inserted into pedestals with board using Pneumatic pressure, so that double APC lock pin adapters
Two interfaces of two opposite lateral surface alignment pedestals, realize that the press-fitting of double APC lock pin adapters and pedestal assembles；
(7) lateral surface of double APC lock pin adapters and the interface of pedestal are welded and fixed by spot-welding technology；
(8) board is matched adapter card retaining ring on the snap ring outside double APC lock pin adapter shells using Pneumatic pressure, completion
The assembling of double lock pin APC adapters and adapter buckle.
Lock pin adapter shell 1 and adapter buckle 8 in the high duplication connect-disconnect structure of double APC lock pin adapters,
By realizing the high accurancy and precision in direction after the flat position press-fitting of the positioning of the two, reduces Fresnel reflection phenomenon, ensures high plug weight
Renaturation and low insertion loss.
Claims (8)
1. a kind of high duplication connect-disconnect structure of double APC lock pin adapters, which is characterized in that including pedestal, be mounted on the base
Double APC lock pin adapters of seat side, the optical filter for being arranged in the pedestal and being directed at double APC lock pin adapters, double APC are inserted
Core adapter is the plane being parallel to each other close to one section of two opposite lateral surfaces of pedestal, the pedestal be equipped with it is described
The corresponding two opposite interfaces of the distance between plane；Expose in one end that double APC lock pin adapters are connect with pedestal
The end face of lock pin is from a plane to the inclined inclined-plane of another plane corresponding thereto, the end of the optical filter and the lock pin
It is tilted towards same direction.
2. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 1, which is characterized in that double
APC lock pin adapter shell middle section outwardly convex forms a circle snap ring, which further includes for blocking
Snap ring is stated to drive it to buckle close to or far from the adapter of the pedestal.
3. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 2, which is characterized in that institute
It states adapter card and is buckled with a pair of of elastic card claw, pawl is away from the outer diameter for being slightly less than the snap ring.
4. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 1, which is characterized in that institute
It states plane and the interface is welded to connect.
5. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 2, which is characterized in that institute
Stating adapter buckle is plastic material.
6. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 1, which is characterized in that institute
It states optical filter and tilts 45 degree of inclination angles.
7. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 1, which is characterized in that institute
Stating double APC lock pin adapters includes coaxial lock pin adapter shell, lock pin, sleeve and lock pin positioning seat, outside lock pin adapter
Valve jacket is interference fitted on the outside of sleeve and with it, and the internal diameter that lock pin adapter shell is used to install one end of lock pin is greater than outside sleeve
Diameter, sleeve diameter match with lock pin outer diameter, lock pin positioning seat include for wrap one section of lock pin periphery and with its interference
The insertion end that the clamping end of cooperation and internal diameter and sleeve outer diameter match, the lock pin are inserted into sleeve the then lock pin positioning seat
Insertion end be stuck in inside lock pin adapter shell between cartridge exterior, the lock pin and sleeve interference fit.
8. a kind of high duplication connect-disconnect structure of double APC lock pin adapters according to claim 7, which is characterized in that institute
Two planes being parallel to each other for stating double APC lock pin adapters are located on the lock pin positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982543.8U CN209167591U (en) | 2018-11-28 | 2018-11-28 | A kind of high duplication connect-disconnect structure of double APC lock pin adapters |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821982543.8U CN209167591U (en) | 2018-11-28 | 2018-11-28 | A kind of high duplication connect-disconnect structure of double APC lock pin adapters |
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| CN209167591U true CN209167591U (en) | 2019-07-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283630A (en) * | 2018-11-28 | 2019-01-29 | 广东瑞谷光网通信股份有限公司 | A kind of the high duplication connect-disconnect structure and its processing method of double APC lock pin adapters |
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2018
- 2018-11-28 CN CN201821982543.8U patent/CN209167591U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109283630A (en) * | 2018-11-28 | 2019-01-29 | 广东瑞谷光网通信股份有限公司 | A kind of the high duplication connect-disconnect structure and its processing method of double APC lock pin adapters |
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