CN106291825B - Alignment sleeve component and fiber adapter - Google Patents
Alignment sleeve component and fiber adapter Download PDFInfo
- Publication number
- CN106291825B CN106291825B CN201510247621.4A CN201510247621A CN106291825B CN 106291825 B CN106291825 B CN 106291825B CN 201510247621 A CN201510247621 A CN 201510247621A CN 106291825 B CN106291825 B CN 106291825B
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- China
- Prior art keywords
- docking
- alignment sleeve
- keeping body
- limit
- circumferential angle
- Prior art date
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3835—Means for centering or aligning the light guide within the ferrule using discs, bushings or the like
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention discloses a kind of fiber adapter, including：Dock keeping body；And alignment sleeve, it is contained in the docking keeping body, the lock pin of optical fiber connector is suitable for being inserted into the alignment sleeve from the insertion port of the fiber adapter, the fiber adapter further includes adjusting limit to element, the limit that adjusts is suitable for adjusting circumferential angle of the alignment sleeve relative to the docking keeping body to element, and be adapted to the docking keeping body and the alignment sleeve is maintained at scheduled circumferential angle.Therefore, in the present invention, limit is adjusted to adjust alignment sleeve at scheduled circumferential angle relative to docking keeping body to element.In some embodiments of the invention, it can be adjusted such that at the circumferential angle of optical fiber insertion loss minimum, and alignment sleeve can be fixed at the circumferential angle for making optical fiber insertion loss minimum, so as to improve alignment precision during optical fiber connector docking.
Description
Technical field
The present invention relates to a kind of alignment sleeve component and include the fiber adapter of the alignment sleeve component.
Background technology
In the prior art, for the adapter of optical fiber connector docking, (for convenience of description, this sentences single SC types adaptation
For device) generally comprise alignment sleeve, docking holder (for store alignment sleeve and locking docking a pair of connectors),
Shell, buckle-type fixed circlip protect solid buckle (selectable unit).
In the prior art, there are mismachining tolerances for alignment sleeve, and inner wall out of roundness is inadequate and Thickness Distribution is uneven, this
Sample, when optical fiber connector lock pin is inserted into from the alignment sleeve both ends of adapter to be docked, in addition to the optical fiber in butt connector is fine
It is outer (generating loss) that alignment error can be generated between core pair, alignment sleeve can also generate certain alignment error, so as to cause even
Connect loss further increase or the uncertain increase of junction loss；And for a certain individual devices, alignment sleeve only has
When being in some specific circumferential angle, the docking loss that generates is only minimum.
In the prior art, for batch micro operations, what each alignment sleeve individual generated is lost minimum specific week
It can be not quite similar to angle, and due to there is no circumferential limiting, alignment sleeve can rotate at random, therefore, generate loss minimum
Circumferential angle is not recognized and is greatly utilized by existing design.
In existing fiber adapter, alignment sleeve freely can circumferentially be rotated in holder is docked and
All there is certain degree of freedom on orthogonal three directions.Since alignment sleeve has certain tolerance in itself, this can cause
Certain polarity is presented in the loss that the connector of docking generates, i.e., when alignment sleeve is in the circumferential angle of a certain particular range,
The optical fiber connector of docking can be only achieved minimum insertion loss.But under existing disclosed technical conditions, alignment sleeve can
To rotate at random, therefore, the loss of entire optical fiber interacted system cannot always be maintained at the minimum state of loss that generates, right in other words
The randomness at quasi- sleeve circumferential angle randomly affects the total losses of optical fiber interacted system, and such situation can not meet following light
Fine interacted system reconnects repeatable ultra-low loss more and more strict requirements after being pulled out to ultra-low loss and moving back.
Invention content
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
It is an object of the present invention to provide a kind of alignment sleeve component and include the optical fiber of the alignment sleeve component
Alignment sleeve can be maintained at make optical fiber insertion loss minimum by adapter relative to the docking keeping body of fiber adapter
At circumferential angle, so as to improve alignment precision during optical fiber connector docking.
According to an aspect of the present invention, a kind of fiber adapter is provided, including：Dock keeping body；And alignment sleeve, hold
It is contained in the docking keeping body, wherein, the lock pin of optical fiber connector is suitable for being inserted into from the insertion port of the fiber adapter
Into the alignment sleeve, the fiber adapter further includes adjusting limit to element, and the limit that adjusts is suitable for adjusting institute to element
State alignment sleeve relative to it is described docking keeping body circumferential angle, and be adapted to it is described docking keeping body will be described right
Quasi- casing is maintained at scheduled circumferential angle.
The embodiment of an exemplary according to the present invention, when the alignment sleeve is protected relative to the docking keeping body
Hold the light in the scheduled circumferential angle, being inserted into a pair of of optical fiber connector in the alignment sleeve of the fiber adapter
Alignment error between fine fibre core is minimum.
The embodiment of another exemplary according to the present invention, when the alignment sleeve is relative to the docking keeping body quilt
When being maintained at the scheduled circumferential angle, the longitudinal slit of the alignment sleeve is in scheduled orientation.
The embodiment of another exemplary according to the present invention, the limit that adjusts are suitable for being sleeved on the alignment sleeve to element
Guan Shang, and radial protrusion is formed on the inner wall for adjusting limit to element, the radial protrusion is adapted for insertion into described right
In the longitudinal slit of quasi- casing so that the alignment sleeve can be rotated with the limit that adjusts to element, so as to logical
It crosses and rotates the adjusting limit to element to adjust circumferential angle of the alignment sleeve relative to the docking keeping body.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve cannot rotate in the circumferential relative to the limit that adjusts to element.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 30 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 20 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 10 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention, it is described adjust limit to element be cross section for the more of polygon
Face prism；Locating slot corresponding with the outer profile for adjusting limit to element is formed in the docking keeping body；And
It is described adjust limit to element be suitable for be fixed on it is described docking keeping body locating slot in, so as to relative to it is described docking keeping body will
The alignment sleeve is maintained at the scheduled circumferential angle.
The embodiment of another exemplary according to the present invention is formed with spline, in institute in the limit that adjusts on element
It states and is formed with spline in docking keeping body；And the spline for adjusting limit on element is suitable for being fixed on the docking holding
In spline on body, so that the alignment sleeve is maintained at the scheduled circumferential angle relative to the docking keeping body
Place.
The embodiment of another exemplary according to the present invention is provided with the in described adjust on outer surface of the limit to element
One circumferential angle telltale mark, and the second circumferential angle telltale mark is provided in the docking keeping body；And work as institute
State adjusting limit to element the alignment sleeve is adjusted to the scheduled circumferential angle when, the limit that adjusts is to the first of element
Circumferential angle telltale mark is aligned with the second circumferential angle telltale mark for docking keeping body.
The embodiment of another exemplary according to the present invention, the fiber adapter further include shell, and the docking is protected
Hold body installation in the housing；And it is provided with the alignment with the sliding block cooperation on the optical fiber connector on the housing
Slot, for ensuring that the optical fiber connector is inserted into correct orientation in the fiber adapter.
The embodiment of another exemplary according to the present invention, when the limit that adjusts keeps the alignment sleeve to element
In the scheduled circumferential angle, the described first circumferential angle telltale mark and the second circumferential angle telltale mark and institute
State the alignment slot alignment on shell.
The embodiment of another exemplary according to the present invention, the second circumferential angle positioning mark docked in keeping body
It is denoted as the notch being formed in the docking keeping body；It is formed on the inner wall of the shell and is docked in keeping body with described
The fool proof protrusion of the notches fit；And and if only if the fool proof protrusion of the shell is aligned with the notch for docking keeping body
When, the docking keeping body can be just installed in the shell.
The embodiment of another exemplary according to the present invention, the fiber adapter further includes fixed fastener, described solid
Determine fastener inserting on the housing, and be held in the cylindrical body of the docking keeping body, to prevent the docking from keeping
Body is pulled out from the shell.
The embodiment of another exemplary according to the present invention, the fiber adapter further include Elastic buckle, the bullet
Property buckle installation on the housing, for the fiber adapter to be locked to fixed installation site.
The embodiment of another exemplary according to the present invention, the docking keeping body include to be combined with each other together
First docking keeping body and second docking keeping body.
The embodiment of another exemplary according to the present invention, the locating slot include being respectively formed at first docking
First locating slot on the end face of the mutual cooperation of keeping body and the second docking keeping body, being mutually aligned and the second positioning
Slot.
The embodiment of another exemplary according to the present invention, the described second circumferential angle telltale mark include being respectively formed
It is on the end face of the mutual cooperation of the described first docking keeping body and the second docking keeping body, being mutually aligned first to cut
Mouth and the second notch.
The embodiment of another exemplary according to the present invention, the fiber adapter are suitable for interconnecting simultaneously one or more pairs of
Optical fiber connector, and one or more alignment sleeves are accommodated in the docking keeping body, it is one or more pairs of for being aligned
The lock pin of optical fiber connector.
According to another aspect of the present invention, a kind of alignment sleeve component is provided, including：Alignment sleeve, suitable for being contained in
In the docking keeping body of fiber adapter；It limits to element with adjusting, is protected suitable for adjusting the alignment sleeve relative to the docking
The circumferential angle of body is held, and is adapted to the docking keeping body and the alignment sleeve is maintained at scheduled circumferential angle
Place.
The embodiment of an exemplary according to the present invention, the limit that adjusts are suitable for being sleeved on the alignment sleeve to element
On, and radial protrusion is formed on the inner wall for adjusting limit to element, the radial protrusion is adapted for insertion into the alignment
In the longitudinal slit of casing so that the alignment sleeve can be rotated with the limit that adjusts to element, so as to pass through
The adjusting limit is rotated to element to adjust circumferential angle of the alignment sleeve relative to the docking keeping body.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve cannot rotate in the circumferential relative to the limit that adjusts to element.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 30 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 20 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention is adjusted when described described in limit to the radial protrusion insertion of element
When in the longitudinal slit of alignment sleeve, the alignment sleeve in the circumferential can only be at ± 10 degree to element relative to the adjusting limit
Angular range in rotate.
The embodiment of another exemplary according to the present invention, it is described adjust limit to element be cross section for the more of polygon
Face prism.
The embodiment of another exemplary according to the present invention is provided with the in described adjust on outer surface of the limit to element
One circumferential angle telltale mark, for identifying the scheduled circumferential angle of the alignment sleeve relative to the docking keeping body
Degree.
The present invention aforementioned each exemplary embodiment in, adjust limit to element can adjust alignment sleeve relative to
The circumferential angle of keeping body is docked, therefore, it is possible to adjust alignment sleeve to scheduled circumferential angle relative to docking keeping body
Place for example, being adjusted such that at the circumferential angle of optical fiber insertion loss minimum, and adjusts limit and can consolidate alignment sleeve to element
It is scheduled at the circumferential angle for making optical fiber insertion loss minimum, so as to improve alignment precision during optical fiber connector docking.
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Description of the drawings
Fig. 1 shows the decomposition diagram of the fiber adapter of the embodiment of the first exemplary according to the present invention；
Fig. 2 shows the adjusting limit of the fiber adapter shown in Fig. 1 to the stereoscopic schematic diagram of element；
Fig. 3 shows the stereoscopic schematic diagram of the alignment sleeve of the fiber adapter shown in Fig. 1；
Fig. 4 is shown pair shown in Fig. 2 for adjusting limit and being formed after element is in alignment sleeve shown in Fig. 3
The schematic diagram of quasi- sheath assembly；
Fig. 5 shows that the adjusting limit of alignment sleeve component shown in Fig. 4 forms the first circumferential angle on the outer surface of element
Spend the schematic diagram of telltale mark；
Fig. 6 and Fig. 7 shows the schematic diagram being installed to alignment sleeve component shown in fig. 5 in first docking keeping body；
Fig. 8 and Fig. 9 is shown docks keeping body by the first docking keeping body for being already installed with alignment sleeve component with second
It fits together；
Figure 10 is shown is installed to showing in shell by the fit together first docking keeping body and the second docking keeping body
It is intended to；
Figure 11 shows shell with docking the error-proof structure between keeping body；
Figure 12 shows the schematic diagram by Elastic buckle installation on the shell；
Figure 13 shows the three-dimensional signal of the assembled fiber adapter of the embodiment of the first exemplary according to the present invention
Figure；
Figure 14 shows the schematic diagram of the fiber adapter of the embodiment of the second exemplary according to the present invention, wherein display pair
Quasi- sleeve assembly is installed to the schematic diagram in the first docking keeping body；
Figure 15 is shown docks keeping body assembling by the first docking keeping body for being already installed with alignment sleeve component with second
Schematic diagram together；With
Figure 16 shows the three-dimensional signal of the assembled fiber adapter of the embodiment of the second exemplary according to the present invention
Figure.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain the present general inventive concept of the present invention, and be not construed as a kind of limitation to the present invention.
General technical design according to the present invention, discloses a kind of fiber adapter, including：Dock keeping body；With
Alignment sleeve is contained in the docking keeping body, wherein, the lock pin of optical fiber connector is suitable for inserting from the fiber adapter
Inbound port is inserted into the alignment sleeve, and the fiber adapter further includes adjusting limit to element, and the limit that adjusts is to element
Suitable for adjusting circumferential angle of the alignment sleeve relative to the docking keeping body, and it is adapted to the docking and keeps
The alignment sleeve is maintained at scheduled circumferential angle by body.
Another general technical design according to the present invention, discloses alignment sleeve component, including：Alignment sleeve is suitable for
It is contained in the docking keeping body of fiber adapter；It is limited with adjusting to element, suitable for adjusting the alignment sleeve relative to described
The circumferential angle of keeping body is docked, and is adapted to the docking keeping body and the alignment sleeve is maintained at scheduled week
To at angle.
First embodiment
Fig. 1 to Figure 13 shows the fiber adapter of the embodiment of the first exemplary according to the present invention.
Fig. 1 shows the decomposition diagram of the fiber adapter of the embodiment of the first exemplary according to the present invention.
In the embodiment of an example of the present invention, a kind of fiber adapter is disclosed.Fig. 1 shows a kind of LC types
Fiber adapter.As shown in Figure 1, the fiber adapter mainly includes shell 100, docking keeping body 110,120, alignment sleeve
130 limit with adjusting to element 140.
In the embodiment shown in fig. 1, docking keeping body 110,120 includes to be combined with each other the first docking together
Keeping body 110 and second docks keeping body 120.First docking keeping body 110 and second is docked keeping body 120 and is aligned for storing
Casing 130 and a pair of of optical fiber connector (not shown) of locking docking.The lock pin of optical fiber connector is suitable for from fiber adapter
Insertion port 101,102 be inserted into alignment sleeve 130 so that the fiber core of optical fiber connector is in alignment sleeve 130
Realization is mutually butted.
Fig. 2 shows the adjusting limit of the fiber adapter shown in Fig. 1 to the stereoscopic schematic diagram of element 140；Fig. 3 shows Fig. 1
Shown in fiber adapter alignment sleeve 130 stereoscopic schematic diagram；Fig. 4 is shown the limit shown in Fig. 2 that adjusts to element 140
The schematic diagram of alignment sleeve component formed after in alignment sleeve 130 shown in Fig. 3.
As shown in Figures 1 to 4, it in the embodiment of an example of the present invention, adjusts limit and is suitable for adjusting to element 140
Alignment sleeve 130 relative to docking keeping body 110,120 circumferential angle, and be adapted to docking keeping body 110,120
Alignment sleeve 130 is maintained at scheduled circumferential angle.
In the embodiment of an example of the present invention, when alignment sleeve 130 is relative to docking keeping body 110,120 quilts
When being maintained at scheduled circumferential angle, it is inserted into the optical fiber of a pair of of optical fiber connector in the alignment sleeve 130 of fiber adapter
Fibre core between alignment error it is minimum (insertion loss is minimum).It in this way, can be opposite by adjusting and positioning alignment sleeve 130
Make the insertion loss of optical fiber connector minimum in the circumferential angle of docking keeping body 110,120.
In the first embodiment shown in Fig. 1 to Figure 13, only there are one alignment sleeves for receiving in keeping body 110,120 is docked
Pipe 130, for being directed at the lock pin of a pair of of optical fiber connector.Therefore, fiber adapter shown in FIG. 1 is only suitable for interconnecting a pair simultaneously
Optical fiber connector.But the present invention is not limited to the embodiment of diagram, the present invention is readily applicable to interconnect simultaneously multipair
The fiber adapter of optical fiber connector.
The structure and assembling process of all parts of aforementioned fiber adapter will be described in detail by attached drawing below.
As shown in Figures 2 to 4, in the illustrated embodiment, limit is adjusted to be suitable for being sleeved on alignment sleeve 130 to element 140
On, and radial protrusion 141 is formed on the inner wall of element 140 adjusting limit, which is adapted for insertion into alignment sleeve
In the longitudinal slit 131 of pipe 130 so that alignment sleeve 130 can be rotated with limit is adjusted to element 140, so as to logical
It crosses rotation and adjusts limit to element 140 to adjust circumferential angle of the alignment sleeve 130 relative to docking keeping body 110,120.
In the embodiment of an example of the present invention, the thickness for adjusting limit to the radial protrusion 141 of element 140 can be with
The equal to or slightly less than width of the longitudinal slit 131 of alignment sleeve 130.In this way, when adjusting radial protrusion of the limit to element 140
When in the longitudinal slit 131 of 141 insertion alignment sleeves 130, alignment sleeve 130 is limited to element 140 in the circumferential relative to adjusting
It cannot rotate or can only be rotated in the angular range of very little, for example, can only be rotated in ± 30 degree of angular range, it is excellent
Selection of land rotates in ± 20 degree of angular ranges, it is highly preferred that being rotated in ± 10 degree of angular range.
Fig. 5 shows that the adjusting limit of alignment sleeve component shown in Fig. 4 forms first on the outer surface of element 140 142
The schematic diagram of circumferential angle telltale mark 142a.
As shown in Figure 4 and Figure 5, in the illustrated embodiment, by alignment sleeve 130 be installed to docking keeping body 110,
Before in 120, the insertion loss for adjusting and limiting and alignment sleeve 130 being adjusted to element 140 and can make optical fiber connector is first passed through
Minimum best circumferential angle.
Fig. 6 and Fig. 7 shows the schematic diagram being installed to alignment sleeve component shown in fig. 5 in first docking keeping body 110.
Fig. 8 and Fig. 9 is shown docks 120 groups of keeping body by the first docking keeping body 110 for being already installed with alignment sleeve component with second
It is fitted together.
As shown in Figures 5 to 9, in the illustrated embodiment, having determined alignment sleeve 130 relative to docking keeping body
During the 110 best circumferential angle of insertion loss minimum that can make optical fiber connector, appearance of the limit to element 140 is being adjusted
The circumferential angle telltale mark 142a of setting first on face 142, for identifying alignment sleeve 130 relative to docking keeping body 110
The best circumferential angle that the insertion loss of optical fiber connector can be made minimum.In the illustrated embodiment, the first circumferential angle
Degree telltale mark 142a should be aligned with docking the set in keeping body 110,120 second circumferential angle telltale mark 112,122.
In this way, when alignment sleeve component shown in fig. 5 being installed in docking keeping body 110,120, need to will only adjust limit to element
The first circumferential direction angle telltale mark 142a on 140 is with docking the second circumferential angle telltale mark in keeping body 110,120
112nd, 122 alignment, you can ensure that alignment sleeve 130 is in the insertion that can make optical fiber connector relative to docking keeping body 110
The minimum best circumferential angle of loss.
In the embodiment of an example of the present invention, as shown in Figures 5 to 9, it is cross section that adjusting, which is limited to element 140,
Multi-panel prism for polygon.In one embodiment of the present of invention, it is three sides that adjust limit, which to element 140 can be cross section,
Shape, quadrangle, pentagon, hexagon or with more sides polygon multi-panel prism.In another reality of the present invention
It applies in example, it can be regular polygon, but be not limited to regular polygon that adjusting, which is limited to the cross section of element 140,.And it is protected in docking
It holds and locating slot 111,121 corresponding with the outer profile for adjusting limit to element 140 is formed on body 110,120.Limit is adjusted to element
140 are suitable in the locating slot 111,121 for being fixed on docking keeping body 110,120, to be incited somebody to action relative to docking keeping body 110,120
Alignment sleeve 130 is maintained at the best circumferential angle that the insertion loss of optical fiber connector can be made minimum.
It note that the present invention is not limited to the embodiment of diagram, adjust limit and can also be fixed otherwise to element
In docking keeping body.For example, in the embodiment of another exemplary of the present invention, flower is formed on element adjusting limit
Key is formed with spline in docking keeping body；And it adjusts spline of the limit on element to be suitable for being fixed in docking keeping body
Spline in, in this way, it is possible to by adjust limit to element be fixed on docking keeping body on, so as to relative to docking keep
Alignment sleeve is maintained at the best circumferential angle that the insertion loss of optical fiber connector can be made minimum by body.
Figure 10 shows that the fit together first docking keeping body 110 and second is docked keeping body 120 is installed to shell
Schematic diagram in 100.
As shown in Figure 9 and Figure 10, the first docking docking of keeping body 110 and second keeping body 120 is being fitted together it
Afterwards, entire docking keeping body 110,120 is installed in shell 100.
As shown in Figure 10, in the illustrated embodiment, it is provided on shell 100 with the sliding block on optical fiber connector (not
Diagram) cooperation alignment slot 103, for ensure optical fiber connector with correct orientation be inserted into fiber adapter in.It is limited when adjusting
When alignment sleeve 130 to be maintained to the best circumferential angle that the insertion loss of optical fiber connector can be made minimum to element 140,
The circumferential angle telltale marks 112,122 of first circumferential direction angle telltale mark 142a and second are right with the alignment slot 103 on shell 100
Together.In this way, when that will dock keeping body 110,120 and be installed in shell 100, as long as by the first circumferential angle telltale mark 142a
It is aligned with the second circumferential angle telltale mark 112,122 with the alignment slot 103 on shell 100, you can ensure docking keeping body
110th, it 120 is properly mounted in shell 100.
Figure 11 shows shell 100 with docking the error-proof structure between keeping body 110,120.
As shown in figure 11, in the illustrated embodiment, docking keeping body 110,120 is mistakenly installed to (instead in order to prevent
It is attached to) in shell 100, the anti-error-proof structure filled is prevented with docking to be designed between keeping body 110,120 in shell 100.
As shown in figure 11, in the illustrated embodiment, the second circumferential angle telltale mark in keeping body 110,120 is docked
112nd, 122 be the notch being formed in docking keeping body 110,120；It is formed on the inner wall of shell 100 with docking keeping body
110th, the fool proof protrusion 106 of the notches fit on 120.Therefore, only when the fool proof of shell 100 protrusion 106 is with docking keeping body
110th, during 120 notch alignment, docking keeping body 110,120 can be just installed in shell 100.If the fool proof of shell 100 is convex
106 are played to be misaligned with docking the notch of keeping body 110,120, docking keeping body 110,120 cannot be installed in shell 100,
It is attached in shell 100 by counter so as to be effectively prevented docking keeping body 110,120.
As shown in Fig. 1 and Figure 10, fiber adapter can also include fixed fastener 150, and fixed fastener 150 is inserted into shell
It on 100, and is held in the cylindrical body 123 of docking keeping body 110,120, to prevent docking keeping body 110,120 from shell
It is pulled out in 100.
In the illustrated embodiment, fixed fastener 150 is inserted into from the slot 105 (referring to Fig. 1) of shell 100, and fixed
Two pins of fastener 150 are inserted into respectively in two jacks 104 of shell 100, so as to be held in docking keeping body 110,120
Cylindrical body 123 on.
Figure 12 shows the schematic diagram being mounted on Elastic buckle 160 on shell 100.Figure 13 shows according to the present invention first
The stereoscopic schematic diagram of the assembled fiber adapter of the embodiment of exemplary.
As shown in Figure 12 and Figure 13, in the illustrated embodiment, fiber adapter can also include Elastic buckle 160, should
Elastic buckle 160 is mounted on shell 100, for fiber adapter to be locked to fixed installation site.
In the first embodiment shown in Fig. 1 to Figure 13, docking keeping body 110,120 includes to be combined with each other together
First docking keeping body 110 and second dock keeping body 120.Locating slot 111,121 includes being respectively formed at the first docking guarantor
Hold the first locating slot 111 and second on the end face for the mutual cooperation that body 110 and second docks keeping body 120, being mutually aligned
Locating slot 121.Second circumferential angle telltale mark 112,122 includes being respectively formed at the first docking keeping body 110 and second pair
Connect the first notch 111 and the second notch 121 on the end face of the mutual cooperation of keeping body 120, being mutually aligned.
Furthermore, it is necessary to it is further noted that, under certain application scenarios, do not need to the optical fiber for making insertion fiber adapter
The insertion loss of the optical fiber of connector is minimum, but only that the longitudinal slit 131 of alignment sleeve 130 is kept relative to docking
Body 110,120 is maintained at some circumferential angle position specified (scheduled orientation).Under this requirement, this can also be passed through
The adjusting of disclosure of the invention, which is limited, to be adjusted scheduled circumferential angle by alignment sleeve 130 to element 140 and is fixed on scheduled circumferential direction
At angle.
Second embodiment
Figure 14 to Figure 16 shows the fiber adapter of the embodiment of the second exemplary according to the present invention.
Figure 14 shows the schematic diagram of the fiber adapter of the embodiment of the second exemplary according to the present invention, wherein display pair
Quasi- sleeve assembly is installed to the schematic diagram in the first docking keeping body 210；Figure 15, which is shown, will be already installed with alignment sleeve component
The first docking keeping body 210 dock the schematic diagram that keeping body 220 fits together with second；It is shown with Figure 16 according to the present invention
The second exemplary embodiment assembled fiber adapter stereoscopic schematic diagram.
As shown in Figure 14 to Figure 16, in the second embodiment of diagram, fiber adapter is suitable for interconnecting multipair optical fiber simultaneously
Connector, and multiple alignment sleeves 230 are accommodated in keeping body 210,220 is docked, for being directed at multipair optical fiber connector
Lock pin.
In addition, in the second embodiment shown in Figure 14 to Figure 16, fiber adapter, which fits device, does not have shell, docks keeping body
210th, 220 mounting body for fitting device as fiber adapter, is directly exposed to outside.
In the second embodiment shown in Figure 14 to Figure 16, docking keeping body 210,220 includes to be combined with each other one
The the first docking keeping body 210 and second risen docks keeping body 220.First docking keeping body 210 and second docks keeping body 220
For storing the optical fiber connector (not shown) of alignment sleeve 230 and locking docking.The lock pin of optical fiber connector is suitable for from light
The insertion port 201,202 of fine adapter is inserted into alignment sleeve 230 so that the fiber core of optical fiber connector is in alignment sleeve
It realizes and is mutually butted in pipe 230.
In the second embodiment shown in Figure 14 to Figure 16, adjust limit and be suitable for adjusting alignment sleeve 230 relatively to element 240
In the circumferential angle of docking keeping body 210,220, and it is adapted to docking keeping body 210,220 and protects alignment sleeve 230
It holds at scheduled circumferential angle.
In the second embodiment shown in Figure 14 to Figure 16, when alignment sleeve 230 is relative to docking keeping body 210,220 quilts
When being maintained at scheduled circumferential angle, it is inserted into the optical fiber of a pair of of optical fiber connector in the alignment sleeve 230 of fiber adapter
Fibre core between alignment error it is minimum (insertion loss is minimum).It in this way, can be opposite by adjusting and positioning alignment sleeve 230
Make the insertion loss of optical fiber connector minimum in the circumferential angle of docking keeping body 210,220.
The structure and assembling process of all parts of aforementioned fiber adapter will be described in detail by attached drawing below.
In the second embodiment shown in Figure 14 to Figure 16, adjust limit and be suitable for being sleeved on alignment sleeve 230 to element 240
On, and radial protrusion is formed on the inner wall of element 240 adjusting limit, which is adapted for insertion into alignment sleeve 230
Longitudinal slit 231 in so that alignment sleeve 230 can be rotated with limit is adjusted to element 240, so as to pass through rotation
Limit is adjusted to element 240 to adjust circumferential angle of the alignment sleeve 230 relative to docking keeping body 210,220.
In the embodiment of an example of the present invention, adjusting limit can wait to the thickness of the radial protrusion of element 240
In or the slightly smaller than width of the longitudinal slit 231 of alignment sleeve 230.In this way, it is inserted into when adjusting limit to the radial protrusion of element 240
When in the longitudinal slit 231 of alignment sleeve 230, alignment sleeve 230 cannot turn in the circumferential relative to limit is adjusted to element 240
It moves or can only be rotated in the angular range of very little, for example, can only be rotated in ± 30 degree of angular range, it is preferable that
It is rotated in ± 20 degree of angular range, it is highly preferred that being rotated in ± 10 degree of angular range.
In the second embodiment shown in Figure 14 to Figure 16, alignment sleeve 230 is being installed to docking keeping body 210,220
In before, first passing through to adjust limit and adjust alignment sleeve 230 to element 240 can make the insertion loss of optical fiber connector minimum
Best circumferential angle.
In the second embodiment shown in Figure 14 to Figure 16, having determined alignment sleeve 230 relative to docking keeping body
During the 210 best circumferential angle of insertion loss minimum that can make optical fiber connector, appearance of the limit to element 240 is being adjusted
The circumferential angle telltale mark 242a of setting first on face 242, for identifying alignment sleeve 230 relative to docking keeping body 210
The best circumferential angle that the insertion loss of optical fiber connector can be made minimum.In the illustrated embodiment, the first circumferential angle
Degree telltale mark 242a should be aligned with docking the set in keeping body 210,220 second circumferential angle telltale mark 212,222.
In this way, will dock keeping body 210,220 be installed to docking keeping body 210,220 in when, only need to by adjust limit on element 240
The first circumferential direction angle telltale mark 242a with docking the second circumferential angle telltale mark 212,222 in keeping body 210,220
Alignment, you can ensure that alignment sleeve 230 is in the insertion loss that can make optical fiber connector relative to docking keeping body 210,220
Minimum best circumferential angle.
In the second embodiment shown in Figure 14 to Figure 16, it is multi-panel of the cross section for polygon that adjusting, which is limited to element 240,
Prism.In one embodiment of the present of invention, adjust limit to element 140 can be cross section for triangle, quadrangle, five sides
The multi-panel prism of shape, hexagon or the polygon with more sides.In another embodiment of the present invention, adjust limit to
The cross section of element 140 can be regular polygon, but be not limited to regular polygon.It is formed in docking keeping body 210,220
Locating slot 211,221 corresponding with the outer profile for adjusting limit to element 240.Limit is adjusted to be suitable for being fixed on docking guarantor to element 240
It holds in the locating slot 211,221 of body 210,220, so that alignment sleeve 230 is maintained at energy relative to docking keeping body 210,220
At the best circumferential angle for enough making the insertion loss of optical fiber connector minimum.
It note that the present invention is not limited to the embodiment of diagram, adjust limit and can also be fixed otherwise to element
In docking keeping body.For example, in the embodiment of another exemplary of the present invention, flower is formed on element adjusting limit
Key is formed with spline in docking keeping body；And it adjusts spline of the limit on element to be suitable for being fixed in docking keeping body
Spline in, in this way, it is possible to by adjust limit to element be fixed on docking keeping body on, so as to relative to docking keep
Alignment sleeve is maintained at the best circumferential angle that the insertion loss of optical fiber connector can be made minimum by body.
In the second embodiment shown in Figure 14 to Figure 16, the second circumferential angle positioning in keeping body 210,220 is docked
Label 212,222 is the notch being formed in docking keeping body 210,220.
In the second embodiment shown in Figure 14 to Figure 16, docking keeping body 210,220 includes to be combined with each other one
The the first docking keeping body 210 and second risen docks keeping body 220.Locating slot 211,221 includes being respectively formed at the first docking
Keeping body 210 and second docks on the end face of the mutual cooperation of keeping body 220, the first locating slot 211 for being mutually aligned and the
Two locating slots 221.Second circumferential angle telltale mark 212,222 includes being respectively formed at the first docking keeping body 210 and second
Dock the first notch 211 and the second notch 221 on the end face of the mutual cooperation of keeping body 220, be mutually aligned.
It is further noted that under certain application scenarios, do not need to make the optical fiber of insertion fiber adapter to connect
The insertion loss of the optical fiber of device is minimum, but only that by the longitudinal slit 231 of alignment sleeve 230 relative to docking keeping body
210th, 220 it is maintained at the circumferential angle position (scheduled orientation) that some is specified.It, can also be by this hair under this requirement
Alignment sleeve 230 is adjusted scheduled circumferential angle to element 240 and is fixed on scheduled circumferential angle by the bright disclosed limit that adjusts
At degree.
Although with reference to attached drawing, the present invention is described, and the embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and it is not intended that a kind of limitation of the invention.
Although some embodiments of this present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will manage
Solution in the case of without departing substantially from the principle of this present general inventive concept and spirit, can make a change these embodiments, and various
Structure described in embodiment can be freely combined in the case of the conflict in terms of not recurring structure or principle, this
The range of invention is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the range that any element label of claim should not be construed as limiting the invention.
Claims (22)
1. a kind of fiber adapter, including：
Dock keeping body (110,120)；With
Alignment sleeve (130) is contained in the docking keeping body (110,120),
Wherein, the lock pin of optical fiber connector is suitable for being inserted into from the insertion port of the fiber adapter (101,102) described right
In quasi- casing (130),
It is characterized in that：
The fiber adapter further includes adjusting limit to element (140), and the adjusting limit is described right suitable for adjusting to element (140)
Quasi- casing (130) docks the circumferential angle of keeping body (110,120) relative to described, and is adapted to the docking and keeps
The alignment sleeve (130) is maintained at scheduled circumferential angle by body (110,120),
It is described to adjust limit to element (140) suitable for being sleeved in the alignment sleeve (130), and in the limit that adjusts to element
(140) radial protrusion (141) is formed on inner wall, the radial protrusion (141) is adapted for insertion into the alignment sleeve (130)
In longitudinal slit (131) so that the alignment sleeve (130) can rotate with the limit that adjusts to element (140), so as to
The alignment sleeve (130) can be adjusted relative to the docking keeping body to element (140) by rotating the limit that adjusts
The circumferential angle of (110,120),
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 30 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
2. fiber adapter according to claim 1, it is characterised in that：
When the alignment sleeve (130) is maintained at the scheduled circumferential angle relative to the docking keeping body (110,120)
When spending, between the fibre core for the optical fiber for being inserted into a pair of of optical fiber connector in the alignment sleeve (130) of the fiber adapter
Alignment error is minimum.
3. fiber adapter according to claim 1, it is characterised in that：
When the alignment sleeve (130) is maintained at the scheduled circumferential angle relative to the docking keeping body (110,120)
When spending, the longitudinal slit (131) of the alignment sleeve (130) is in scheduled orientation.
4. fiber adapter according to claim 1, it is characterised in that：
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 20 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
5. fiber adapter according to claim 1, it is characterised in that：
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 10 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
6. fiber adapter according to claim 1, it is characterised in that：
It is multi-panel prism of the cross section for polygon that the adjusting, which is limited to element (140),；
It is corresponding fixed with the outer profile for adjusting limit to element (140) to be formed on the docking keeping body (110,120)
Position slot (111,121)；And
It is described adjust limit to element (140) suitable for be fixed on it is described docking keeping body (110,120) locating slot (111,121)
In, so that the alignment sleeve (130) is maintained at the scheduled circumferential angle relative to the docking keeping body (110,120)
At degree.
7. fiber adapter according to claim 1, it is characterised in that：
Spline is formed on element (140) in the limit that adjusts, spline is formed on the docking keeping body (110,120)
Slot；And
The spline that limit is adjusted on element (140) is suitable for the spline being fixed on the docking keeping body (110,120)
In, so that the alignment sleeve (130) is maintained at the scheduled circumferential angle relative to the docking keeping body (110,120)
At degree.
8. fiber adapter according to claim 6, it is characterised in that：
The first circumferential angle telltale mark (142a) is provided on the outer surface of element (140) (142) in the limit that adjusts, and
And the second circumferential angle telltale mark (112,122) is provided on the docking keeping body (110,120)；And
It is described when the adjusting limit is adjusted the alignment sleeve (130) to the scheduled circumferential angle to element (140)
It adjusts limit and docks the second of keeping body (110,120) with described to the first circumferential angle telltale mark (142a) of element (140)
Circumferential angle telltale mark (112,122) alignment.
9. fiber adapter according to claim 8, it is characterised in that：
The fiber adapter further includes shell (100), and the docking keeping body (110,120) is mounted on the shell (100)
In；And
The alignment slot (103) with the sliding block cooperation on the optical fiber connector is provided on the shell (100), for ensuring
The optical fiber connector is inserted into correct orientation in the fiber adapter.
10. fiber adapter according to claim 9, it is characterised in that：
It is described when the alignment sleeve (130) is maintained at the scheduled circumferential angle by the adjusting limit to element (140)
First circumferential angle telltale mark (142a) and the second circumferential angle telltale mark (112,122) and the shell (100)
On alignment slot (103) alignment.
11. fiber adapter according to claim 10, it is characterised in that：
The second circumferential angle telltale mark (112,122) on the docking keeping body (110,120) is is formed in the docking
Notch in keeping body (110,120)；
It is formed on the inner wall of the shell (100) and docks the notches fit in keeping body (110,120) with described
Fool proof protrusion (106)；And
Only when the fool proof of the shell (100) raised (106) is aligned with the notch for docking keeping body (110,120), institute
Stating docking keeping body (110,120) can just be installed in the shell (100).
12. fiber adapter according to claim 9, it is characterised in that：
The fiber adapter further includes fixed fastener (150), and the fixed fastener (150) is inserted on the shell (100),
And be held in it is described docking keeping body (110,120) cylindrical body (123) on, with prevent it is described docking keeping body (110,
120) it is pulled out from the shell (100).
13. fiber adapter according to claim 9, it is characterised in that：
The fiber adapter further includes Elastic buckle (160), the Elastic buckle (160) on the shell (100),
For the fiber adapter to be locked to fixed installation site.
14. fiber adapter according to claim 8, it is characterised in that：
The docking keeping body (110,120) is including that can be combined with each other the first docking keeping body (110) and second together
Dock keeping body (120).
15. fiber adapter according to claim 14, it is characterised in that：
The locating slot (111,121) is protected including being respectively formed at the first docking keeping body (110) and second docking
Hold the first locating slot (111) on the end face of the mutual cooperation of body (120), being mutually aligned and the second locating slot (121).
16. fiber adapter according to claim 15, it is characterised in that：
The second circumferential angle telltale mark (112,122) including be respectively formed at the first docking keeping body (110) and
The first notch (111) and the second notch on the end face of the mutual cooperation of the second docking keeping body (120), be mutually aligned
(121)。
17. fiber adapter according to claim 1, it is characterised in that：
The fiber adapter is suitable for interconnecting one or more pairs of optical fiber connectors simultaneously, and the docking keeping body (110,
120；210th, 220) in accommodate one or more alignment sleeves (130；230), for being directed at one or more pairs of optical fiber connectors
Lock pin.
18. a kind of alignment sleeve component, which is characterized in that including：
Alignment sleeve (130), suitable for being contained in the docking keeping body of fiber adapter (110,120)；With
Limit is adjusted to element (140), suitable for adjusting the alignment sleeve (130) relative to the docking keeping body (110,120)
Circumferential angle, and be adapted to the docking keeping body (110,120) and the alignment sleeve (130) be maintained at predetermined
Circumferential angle at,
It is described to adjust limit to element (140) suitable for being sleeved in the alignment sleeve (130), and in the limit that adjusts to element
(140) radial protrusion (141) is formed on inner wall, the radial protrusion (141) is adapted for insertion into the alignment sleeve (130)
In longitudinal slit (131) so that the alignment sleeve (130) can rotate with the limit that adjusts to element (140), so as to
The alignment sleeve (130) can be adjusted relative to the docking keeping body to element (140) by rotating the limit that adjusts
The circumferential angle of (110,120),
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 30 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
19. alignment sleeve component according to claim 18, it is characterised in that：
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 20 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
20. alignment sleeve component according to claim 18, it is characterised in that：
When the limit that adjusts is to the longitudinal slit of radial protrusion (141) the insertion alignment sleeve (130) of element (140)
(131) when in, the alignment sleeve (130) in the circumferential can only be at ± 10 degree to element (140) relative to the adjusting limit
It is rotated in angular range.
21. alignment sleeve component according to claim 18, it is characterised in that：The adjusting limit is horizontal to element (140)
Section is the multi-panel prism of polygon.
22. alignment sleeve component according to claim 21, it is characterised in that：
The first circumferential angle telltale mark (142a) is provided on the outer surface of element (140) (142) in the limit that adjusts, is used
In the mark alignment sleeve (130) relative to the scheduled circumferential angle of the docking keeping body (110,120).
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247621.4A CN106291825B (en) | 2015-05-15 | 2015-05-15 | Alignment sleeve component and fiber adapter |
| PCT/CN2016/082021 WO2016184363A1 (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and optical fibre adapter |
| EP16795850.3A EP3296785A4 (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and optical fibre adapter |
| MX2017014377A MX2017014377A (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and optical fibre adapter. |
| JP2017559592A JP2018518704A (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and fiber optic adapter |
| AU2016263337A AU2016263337A1 (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and optical fibre adapter |
| US15/574,389 US10302874B2 (en) | 2015-05-15 | 2016-05-13 | Alignment sleeve assembly and fiber optic adapter |
| US16/419,372 US20200142137A1 (en) | 2015-05-15 | 2019-05-22 | Alignment sleeve assembly and fiber optic adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510247621.4A CN106291825B (en) | 2015-05-15 | 2015-05-15 | Alignment sleeve component and fiber adapter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106291825A CN106291825A (en) | 2017-01-04 |
| CN106291825B true CN106291825B (en) | 2018-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510247621.4A Expired - Fee Related CN106291825B (en) | 2015-05-15 | 2015-05-15 | Alignment sleeve component and fiber adapter |
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| Country | Link |
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| CN (1) | CN106291825B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633834A (en) * | 2019-01-12 | 2019-04-16 | 邱达飞 | A kind of fibre-optical splice |
| CN111999808A (en) * | 2020-08-31 | 2020-11-27 | 南京锐普创科科技有限公司 | Method for coupling precision optical fiber |
| CN116754184B (en) * | 2023-08-17 | 2023-11-03 | 深圳市比洋光通信科技股份有限公司 | Auxiliary detection device for optical fiber connector convenient to detect |
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|---|---|---|---|---|
| US5082344A (en) * | 1990-03-09 | 1992-01-21 | Mulholland Denis G | Adapter assembly with improved receptacle for a push-pull coupling type of optical fiber connector |
| CN1250527A (en) * | 1998-01-30 | 2000-04-12 | 西蒙公司 | Adapters for coupling optical fiber |
| JP2003195113A (en) * | 2001-12-26 | 2003-07-09 | Seiko Instruments Inc | Optical connector adaptor |
| CN202771054U (en) * | 2012-09-13 | 2013-03-06 | 武汉光迅科技股份有限公司 | High return loss attenuation adjustable connector |
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| Publication number | Publication date |
|---|---|
| CN106291825A (en) | 2017-01-04 |
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