CN104111498B - Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves - Google Patents

Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves Download PDF

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Publication number
CN104111498B
CN104111498B CN201310132801.9A CN201310132801A CN104111498B CN 104111498 B CN104111498 B CN 104111498B CN 201310132801 A CN201310132801 A CN 201310132801A CN 104111498 B CN104111498 B CN 104111498B
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CN
China
Prior art keywords
extension fixture
adapter
insertion section
sleeve pipe
aligned sleeves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201310132801.9A
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Chinese (zh)
Other versions
CN104111498A (en
Inventor
林麟
童朝阳
刘蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tyco Electronics Shanghai Co Ltd
Original Assignee
Tyco Electronics Shanghai Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tyco Electronics Shanghai Co Ltd filed Critical Tyco Electronics Shanghai Co Ltd
Priority to CN201310132801.9A priority Critical patent/CN104111498B/en
Priority to PCT/IB2014/060792 priority patent/WO2014170856A2/en
Priority to EP14721545.3A priority patent/EP2987014A2/en
Publication of CN104111498A publication Critical patent/CN104111498A/en
Priority to ZA2015/07738A priority patent/ZA201507738B/en
Application granted granted Critical
Publication of CN104111498B publication Critical patent/CN104111498B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3898Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825Dismountable 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3873Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

The present invention also provide a kind of adapter, for expand the sleeve pipe keeper of above-mentioned adapter extension fixture, with this extension fixture with the use of with the replacing instrument changing aligned sleeves, change assembly and change the method for aligned sleeves.Adapter, comprising: framework, and lower portion forms at least one for holding the acceptance division at least partially of described connector.Each acceptance division comprises sleeve pipe keeper and aligned sleeves.Sleeve pipe keeper comprises: be arranged on the base portion on framework; Extend in the axial direction and the multiple shell fragments circumferentially arranged from base portion, two adjacent shell fragments separate with open slot; And the stop part being arranged in shell fragment at least one, extend internally from the free end of described shell fragment.Aligned sleeves is maintained in sleeve pipe keeper by described stop part, to hold and the lock pin of alignment light fiber connector.Each shell fragment has at two circumferentially relative side surfaces, by applying external force on the side surface, shell fragment is radially expanded outwardly.

Description

Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves
Technical field
The present invention relates to a kind of for data communication and telecommunications application in connector, particularly relate to a kind of adapter for connector, for expand the sleeve pipe keeper of adapter extension fixture, with this extension fixture with the use of with the replacing instrument changing aligned sleeves, change assembly and change the method for aligned sleeves.
Background technology
In the disparate networks communication terminals such as such as computing machine, router, server, switch, usually by pin connector being plugged into the socket connector that is such as fixed in wall, user terminal is electrically connected with External cable.Particularly, in optical fiber communication, need the connection, distribution, switching etc. that use the joints of optical fibre to realize between different fiber.
Fig. 1 shows a kind of schematic perspective view of existing two joints of optical fibre 400, Fig. 2 show with these joints of optical fibre 400 with the use of adapter 500.Optical cable 402 can be connected on the adapter 500 shown in Fig. 2 by these joints of optical fibre 400.Each joints of optical fibre 400 comprise connector body 401, be fixed on one end of connector body 401 with protect the tail of optical cable 402 overlap 403 and to be arranged in connector body 401 and with the lock pin 404 of the Fiber connection of optical cable 402.Adapter 500 is formed as box body shape, and comprises framework 501 for holding connector body 401, for the aligned sleeves 503 (Sleeve) of the lock pin 404 of receiving optical fiber connector 400 and for keeping the sleeve pipe keeper 504 (SleeveRetainer) of aligned sleeves 503.
In above-mentioned existing adapter 500, be provided with near the end of sleeve pipe keeper 504 and stop projection, aligned sleeves 503 to be remained to the inside of sleeve pipe keeper 504, ensure in the swapping process of the joints of optical fibre 400, aligned sleeves can not be taken out of adapter 500 by lock pin 404.When manufacturing adapter 500, aligned sleeves 503 is encapsulated in sleeve pipe keeper 504 once, and aligned sleeves 503 cannot be taken out when not dismantling whole adapter 500.If aligned sleeves 503 causes owing to repeatedly plugging its internal dust to be piled up or causes aligned sleeves 503 cracked or damaged due to improper use, whole adapter 500 just can only be abandoned.Particularly in multiple adapters (6 or 12 group) of high density unitisation, the damage of any one aligned sleeves will cause scrapping of whole fiber adapter group.
Summary of the invention
Technical matters solved by the invention is to provide a kind of adapter for connector, and the end of the sleeve pipe keeper of this adapter is configured to distensible, thus can aligned sleeves more in casing replacing keeper.
The present invention further provides a kind of extension fixture of the sleeve pipe keeper for expanding above-mentioned adapter, with this extension fixture with the use of with the replacing instrument changing aligned sleeves, change assembly and change the method for aligned sleeves.
Embodiment according to an aspect of the present invention, a kind of adapter be combined with the joints of optical fibre is provided, comprise: framework, described lower portion forms at least one for holding the acceptance division at least partially of described connector, and the described joints of optical fibre comprise a fiber stub.Acceptance division described in each comprises sleeve pipe keeper and aligned sleeves.Sleeve pipe keeper comprises: be arranged on the base portion on framework; Extend in the axial direction and the multiple shell fragments circumferentially arranged from described base portion, two adjacent shell fragments separate with open slot; And the stop part (123) being arranged in described shell fragment at least one, extend internally from the free end of described shell fragment.Aligned sleeves is maintained in described sleeve pipe keeper by described stop part, to hold and to aim at the lock pin of the described joints of optical fibre.Each described shell fragment has at described two circumferentially relative side surfaces, and at least one in described side surface is configured to by applying external force on described side surface, described shell fragment radially be expanded outwardly.
Above-mentioned adapter is included in two cantilevers of described sleeve pipe keeper further, and the free end of described cantilever is provided with and keeps protruding.
In above-mentioned adapter, described framework is provided with guiding groove.
According to further embodiment of the present invention, provide the extension fixture of the adapter described in a kind of above-mentioned various embodiment, comprising: main part, described main part has axially through through hole; And multiple dilator, outwards axially extend from the edge of described main part at described through hole, wherein, described dilator can insert in the respective openings groove of the sleeve pipe keeper of described adapter at axial direction respectively, radially expands outwardly to drive corresponding described shell fragment.
In above-mentioned extension fixture, the internal diameter of described dilator place circle is substantially equal to the internal diameter of described sleeve pipe keeper.
Above-mentioned extension fixture comprises housing further, and described main part is arranged in described housing, and the profile of described housing and the acceptance division of described adapter match.
In above-mentioned extension fixture, the framework of described adapter is provided with guiding groove, and described housing is provided with the bootstrap block coordinated with described guiding groove.
In above-mentioned extension fixture, described adapter also comprises two cantilevers, lays respectively at the both sides of described sleeve pipe keeper, and the free end of described cantilever is provided with and keeps protruding; The main part of described extension fixture is provided with retention groove, when described dilator inserts the appropriate location in the respective openings groove of described sleeve pipe keeper at axial direction respectively, described maintenance projection is attached in described retention groove, to be remained in described adapter by described extension fixture.
In above-mentioned extension fixture, described main part is provided with location division, and described location division is formed in the process be combined with the sleeve pipe keeper of described adapter by described extension fixture and prevents described main part from moving relative to described housing.
According to further embodiment of the invention, provide extension fixture described in a kind of and above-mentioned various embodiment with the use of replacing instrument, comprising: operating portion, the exterior contour of described operating portion and the through hole of described extension fixture match; First insertion section, the diameter of described first insertion section is less than the diameter of described operating portion, and can insert described aligned sleeves in the mode of interference engagement; And second insertion section, the diameter of described second insertion section is less than the diameter of described operating portion and the internal diameter of described aligned sleeves.
In above-mentioned replacing instrument, at least one in described first insertion section and the second insertion section is removably mounted on described operating portion.
In above-mentioned replacing instrument, at least one in described first insertion section and the second insertion section is connected on described operating portion integratedly.
In above-mentioned replacing instrument, between described operating portion and described first insertion section, be provided with transition part, the diameter of described transition part is less than the diameter of operating portion and is greater than the diameter of described first insertion section.
In above-mentioned replacing instrument, described operating portion is provided with operation projection.
According to further embodiment of the invention, provide a kind of and change assembly, comprising: the extension fixture described in above-mentioned various embodiment; And the replacing instrument described in above-mentioned working Examples.
According to further embodiment of the invention, provide extension fixture described in a kind of and above-mentioned various embodiment with the use of the first replacing instrument, comprising: the first operating portion, the exterior contour of described first operating portion and the through hole of described extension fixture match; First insertion section, the diameter of described first insertion section is less than the diameter of described operating portion and the diameter of described aligned sleeves.
According to further embodiment of the invention, provide extension fixture described in a kind of and above-mentioned various embodiment with the use of the second replacing instrument, comprising: the second operating portion, the exterior contour of described second operating portion and the through hole of described extension fixture match; Second insertion section, the diameter of described second insertion section is less than the diameter of described operating portion, and can insert described aligned sleeves in the mode of interference engagement.
According to further embodiment of the invention, provide a kind of and change assembly, comprising:
Extension fixture described in above-mentioned various embodiment; Described in above-mentioned various embodiment first changes instrument; And second described in above-mentioned various embodiment changes instrument.
According to further embodiment of the invention, the method of the aligned sleeves in a kind of adapter utilizing the extension fixture described in above-mentioned various embodiment and the replacing tool changing described in above-mentioned various embodiment to be contained in described in above-mentioned various embodiment is provided, comprise the steps: that extension fixture is inserted into the acceptance division of adapter, make the dilator of extension fixture be inserted into the open slot of the sleeve pipe keeper of adapter, expand radially outwardly with the shell fragment of drive sleeve keeper; The through hole of extension fixture is inserted in first insertion section of the instrument of replacing, and makes the first insertion section be inserted into old aligned sleeves in sleeve pipe keeper in the mode of interference engagement; Transfer to replacing instrument, old aligned sleeves is removed from the first insertion section; A new aligned sleeves is enclosed within the second insertion section of replacing instrument; The second insertion section of the replacing instrument of new aligned sleeves is had by cover to insert the through hole of extension fixture; New aligned sleeves is inserted in sleeve pipe keeper; Transfer to replacing instrument, new aligned sleeves automatically departs from from the second insertion section and is retained in sleeve pipe keeper; And extension fixture is transferred to from adapter.
According to a kind of adapter for connector of the above-mentioned various embodiment of the present invention, extension fixture, replacing instrument, and replacing assembly, when aligned sleeves causes its internal dust to be piled up owing to repeatedly plugging, due to improper use cause aligned sleeves cracked or damaged time, extension fixture can be used to be expanded the end of the sleeve pipe keeper of adapter, and use replacing instrument to take out old aligned sleeves and replace with new aligned sleeves, farthest avoid and cause whole fiber adapter to be affected because of the damage of single component (aligned sleeves), even scrap.
Accompanying drawing explanation
The present invention further describes with reference to the accompanying drawings, wherein:
Fig. 1 is a kind of schematic perspective view of the existing joints of optical fibre;
Fig. 2 be with the joints of optical fibre shown in Fig. 1 with the use of existing adapter;
Fig. 3 is the schematic perspective view of adapter according to an embodiment of the present;
Fig. 4 is the schematic perspective view of the sleeve pipe keeper assembly be shown specifically in the adapter shown in Fig. 3;
Fig. 5 is a kind of radial cross-section of the sleeve pipe keeper shown in Fig. 4;
Fig. 6 is the force analysis figure of a side of the shell fragment of the sleeve pipe keeper shown in Fig. 4;
Fig. 7 is the another kind of force analysis figure compared with the force analysis figure shown in Fig. 6;
Fig. 8 is another force analysis figure compared with the force analysis figure shown in Fig. 6;
Fig. 9 is the schematic perspective view of the extension fixture according to the first exemplary embodiment of the present invention;
Figure 10 is the another kind of schematic perspective view of the extension fixture shown in Fig. 9;
Figure 11 is the schematic perspective view after the removing housing of the extension fixture shown in 9;
Figure 12 is the schematic perspective view of the first the exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 13 is the schematic perspective view of the second exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 14 is the schematic perspective view of the third exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 15 is the schematic perspective view of the 4th kind of exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 16 is the schematic perspective view of the 5th kind of exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 17 is the schematic perspective view of the 6th kind of exemplary continuous embodiment according to replacing instrument of the present invention;
Figure 18-21 is the operating process schematic diagram utilizing extension fixture of the present invention and replacing instrument to remove aligned sleeves;
Figure 22-25 is the operating process schematic diagram utilizing extension fixture of the present invention and replacing instrument to install aligned sleeves;
Figure 26 is the cut-open view of the axial direction along Figure 24;
Figure 27 is the enlarged diagram of part A in Figure 26;
Figure 28 is the schematic perspective view of the extension fixture according to the second exemplary embodiment of the present invention; And
Figure 29 is the schematic perspective view of the extension fixture according to the third exemplary embodiment of the present invention.
Embodiment
Although fully describe the present invention with reference to the accompanying drawing containing preferred embodiment of the present invention, before this describes, should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtain technique effect of the present invention simultaneously.Therefore, Yan Weiyi discloses widely to those of ordinary skill in the art must to understand above description, and its content does not lie in restriction exemplary embodiment described in the invention.
According to adapter 10 of the present invention can with to be applied in the disparate networks communication terminals such as such as computing machine, router, server, switch the joints of optical fibre and or be electrically connected with the use of.Fig. 3 is the schematic perspective view of adapter 10 according to an embodiment of the present; Fig. 4 is the schematic perspective view of the sleeve pipe keeper assembly in the adapter shown in Fig. 3.This adapter 10, comprises framework 11, sleeve pipe keeper 12 and aligned sleeves 13.Framework 11 inside forms the acceptance division of the part for holding the connector (not shown) such as such as SC, LC joints of optical fibre, and the described joints of optical fibre comprise a fiber stub.Each acceptance division comprises: the sleeve pipe keeper 12 of general cylindrical shape and the aligned sleeves 13 be contained in sleeve pipe keeper 12.Sleeve pipe keeper 12 comprises: install base portion 15 on the frame 11; Multiple shell fragment 122 (there is shown four), extends in the axial direction from described base portion and is circumferentially arranging, and two adjacent shell fragments separate with open slot 121, and namely open slot 121 and shell fragment 122 are along the circumferential direction alternately arranged on base portion 15; And multiple stop part 123, be arranged at least one in shell fragment 122, and extend internally at the free end of shell fragment 122.Aligned sleeves 13, is maintained at sleeve pipe keeper 12 by stop part 123 inner, to hold and to aim at the lock pin of the described joints of optical fibre.See Fig. 5 and 6, each shell fragment 122 has two side surfaces (i.e. the surface faced by two of open slot 121) P11 and P12 relative in the axial direction, and at least one in described side surface is configured to by applying external force F1 on described side surface, shell fragment 122 radially be expanded outwardly.Like this, stop part 123 is just with the shell fragment 122 radially outwards movement of expansion, thus it is outside to allow to utilize replacing instrument 30 (will describe in detail) that the aligned sleeves 13 in sleeve pipe keeper 12 is moved out to sleeve pipe keeper 12 through stop part 123 below.
See Fig. 5, in a radial section cut-open view of the shell fragment 122 of adapter 10 according to the present invention, P11 with P12 represents the side surface (i.e. two side surfaces circumferentially faced by of open slot 121) of a shell fragment 122 circumferentially (or in circumferential direction) relative (or contrary) respectively, P13 and P14 represents respectively through the inner side of side surface P11 and P12 and be parallel to the virtual plane of the symmetrical plane OP1 dividing shell fragment 122 equally.P1 represents geometric center point or the barycenter of shell fragment 122.Side surface P11 and P12 is in tilted layout outside imaginary plane P 13 and P14.Fig. 6 be the shell fragment 122 of sleeve pipe keeper 12 force analysis figure, if applied such as perpendicular to the power F1 of side surface P12 at this shell fragment geometric center point P1 place, this power F1 then can resolve into and be parallel to shell fragment 122 symmetrical plane OP1 and the first component F11 towards circumferential exterior and the second component F12 perpendicular to symmetrical symmetrical plane OP1.Due to the existence of this first component F11, shell fragment 122 is radially expanded outwardly.
Fig. 7 is the another kind of force analysis figure compared with the force analysis figure shown in Fig. 6, that show a kind of hypothesis with variform shell fragment 122 ' that is shell fragment 122 of the present invention.In Fig. 7, P21 with P22 represents that a shell fragment 122 ' is at circumferentially relative side surface (i.e. two side surfaces faced by circumferentially of open slot 121 ') respectively, P23 and P24 represents respectively through the inner side of side surface P11 and P12 and is parallel to the virtual plane of the symmetrical plane OP2 dividing shell fragment 122 ' equally, and P2 represents geometric center point or the barycenter of shell fragment 122.In the shell fragment 122 ' of this hypothesis, side surface P21 and P22 overlaps with imaginary plane P 23 and P24 respectively.In this case, if the geometric center point P2 place on symmetrical plane OP2 applies the power F2 perpendicular to this side surface P22, can not produce the component being parallel to imaginary plane P 24 (or P22), thus shell fragment 122 ' also radially can not expand outwardly.
Fig. 8 is another force analysis figure compared with the force analysis figure shown in Fig. 6, shows another kind of variform shell fragment 122 that is that suppose and shell fragment 122 of the present invention ".In Fig. 8, P31 with P32 represents two side surfaces circumferentially faced by of a shell fragment 122 ' at circumferentially relative side surface (i.e. open slot 121 " respectively); P33 and P34 represent respectively through the inner side of side surface P11 and P12 and be parallel to divide shell fragment 122 equally " the virtual plane of symmetrical plane OP3, P3 represents geometric center point or the barycenter of shell fragment 122.Shell fragment 122 in this hypothesis " in, side surface P31 and P32 is in tilted layout between imaginary plane P 33 and P34.In this case, if the geometric center point P3 place on symmetrical plane OP3 applies the power F3 perpendicular to this side surface P32, this power F3 then can resolve into and be parallel to imaginary plane P 34 and the first component F31 towards circumferential inner and the second component F32 perpendicular to imaginary plane P 34.Because this first component F31 points to the inside of circumference, make shell fragment 122 " radially inwardly shrink.
Therefore, in the present invention, the profile design of shell fragment 122 is become to make being positioned at through the inner side of side surface P11 and P12 at circumferentially relative side surface P11 and P12 and being parallel to the outer incline (two side surface P11 and P12 in other words, becoming to make by the profile design of shell fragment 122 open slot 121 between adjacent shell fragment 122 faced by circumferentially through the inner side of described side surface P11 and P12 and be parallel between the imaginary plane P 13 of the plane of dividing shell fragment 122 equally and P14) of the imaginary plane P 13 of the plane of dividing shell fragment 122 equally and P14 of shell fragment 122.Further, angle between side surface P11 and imaginary plane P 13 and/or the angle between side surface P12 and imaginary plane P 14 are in the scope of 10-80 degree, preferred 30-60 degree, thus make when applying the power F1 perpendicular to described side surface on side surface P11 and/or P12, shell fragment 122 radially expands outwardly.Preferably, side surface P11 and P12 of each shell fragment 122 is arranged symmetrically.
Fig. 4 is the schematic perspective view of the sleeve pipe keeper be shown specifically in the adapter shown in Fig. 3.Adapter 10 comprises two cantilevers 14 extended in the both sides of sleeve pipe keeper 12 from base portion 15 further, and the free end of described cantilever 14 is provided with inwardly outstanding maintenance projection 141.Framework 11 is provided with the guiding groove 111 of the guide hump (not shown) for guidance connector.
Fig. 9-11 shows the extension fixture 20 for above-mentioned adapter 10 according to the first embodiment of the present invention.This extension fixture 20 comprises: the roughly main part 21 of rectangular shape, and described main part 21 has axially through through hole 211; And multiple dilator 22, axially stretch out from the edge of main part 21 at through hole 211.Dilator 22 can insert in the respective openings groove 121 of the sleeve pipe keeper 12 of adapter 10 at axial direction respectively, radially expands outwardly to drive corresponding shell fragment 122.
Dilator 22 and the shape of shell fragment 122 are formed dilator 22 and shell fragment 122 when dilator 22 bends in insertion opening groove 122 and form at utmost ground and contact.In one embodiment, shell fragment 122 has rectangle roughly or " U " shape shape in side view, and correspondingly, dilator 22 has taper roughly or trapezoidal shape in side view.In the interchangeable embodiment of one, shell fragment 122 has trapezoidal shape roughly in side view, and correspondingly, dilator 22 has taper roughly, trapezoidal or rectangular shape in side view.
According to the extension fixture 20 of further embodiment of the present invention, the internal diameter of dilator 22 place circumference is substantially equal to the internal diameter of sleeve pipe keeper 12.Due to this shape of dilator 22, make in the process in dilator 22 insertion opening groove 121, the inside surface of dilator 22 is roughly concordant all the time with the inside surface of shell fragment 122, and like this, dilator 22 would not contact with the aligned sleeves 13 in sleeve pipe keeper 12.That is, be inserted in the process in adapter 10 by extension fixture 20 of the present invention, dilator 22 can not contact with the aligned sleeves 13 in sleeve pipe keeper 12.
Suppose a kind of situation, if the pipe without dilator is inserted in sleeve pipe keeper 12, although at described pipe when the stop part 123 of adapter 10, shell fragment 122 also will radially expand outwardly, but the inside at sleeve pipe keeper 12 is moved by described pipe, will contact with the aligned sleeves 13 in sleeve pipe keeper 12, thus prop up aligned sleeves 13, and then aligned sleeves 13 can not be taken out.
Extension fixture 20 of the present invention also comprises housing 23, main part 21 is arranged in housing 23, and the acceptance division of the profile of housing 23 and adapter 10 matches, thus reposefully extension fixture 20 can be partly inserted into adapter 10, and the dilator 22 of extension fixture 20 is inserted in the open slot 121 of sleeve pipe keeper 12.
Further, the framework 11 of adapter is provided with guiding groove 111, and correspondingly, housing 23 is provided with the bootstrap block 231 coordinated with guiding groove 111.Like this, by coordinating of guiding groove 111 and bootstrap block 231, extension fixture 20 correctly can be inserted in adapter 20.The main part of extension fixture 20 is provided with retention groove 24, when dilator 22 inserts the appropriate location in the respective openings groove 121 of sleeve pipe keeper 12 at axial direction respectively, the maintenance projection 141 of adapter 10 is attached in retention groove 121, to be remained in adapter 10 by extension fixture 20, be convenient to follow-up operation.Main part 21 is provided with location division 25, and location division 25 is formed in the process be combined with the sleeve pipe keeper 12 of adapter 10 by extension fixture 20 and prevents main part 21 from moving relative to housing 23.In more detail, as shown in figure 11, location division 25 is the projection protruded from main part 21, correspondingly, housing 23 is provided with groove 232.When main part 21 is installed in housing 23, location division 25 will be contained in groove 232.
Figure 12 show with above-mentioned extension fixture 20 with the use of the replacing instrument 30 of the first exemplary embodiment of the present invention.This replacing instrument 30 comprises: operating portion 31, and the exterior contour of described operating portion 31 and the through hole 211 of extension fixture 20 match; First insertion section 32, the diameter of described first insertion section 32 is less than the diameter of operating portion 31, and can insert the aligned sleeves 13 in sleeve pipe keeper 12 in the mode of interference engagement; And second insertion section 33, the diameter of described second insertion section 33 is less than the diameter of operating portion 31 and is slightly less than the internal diameter of aligned sleeves.Further, between operating portion 31 and the second insertion section 33, be provided with transition part 34, the diameter of transition part 34 is less than the diameter of operating portion 31 and is greater than the diameter of the second insertion section 33.Like this, after length predetermined in aligned sleeves 13 is inserted in the second insertion section 33 by hand-held portion 31, the edge of transition part 34 is by the end of contact aligned sleeves 13, thus stop the further insertion of the second insertion section 33, and then the end avoiding the second insertion section 33 be arranged in the optical fiber contact in aligned sleeves 13 and cause the damage of optical fiber.Be appreciated that and also transition part can be set between the first insertion section 33 and operating portion 31.The end of the first insertion section 32 has tapering, be inserted in aligned sleeves 13 to facilitate, along with aligned sleeves 13 is inserted further in the first insertion section 32, first insertion section 32 forms interference fit (or interference engagement) with aligned sleeves 13, and aligned sleeves 13 is closely enclosed within the first insertion section 32.Under interference fit state, only have and apply certain power, aligned sleeves 13 could be removed from the first insertion section 32.
Figure 13 is the schematic perspective view of the second exemplary continuous embodiment according to replacing instrument of the present invention.The replacing instrument 40 of the second embodiment is also provided with transition part 45 between operating portion 41 and the second insertion section 43, and other structure is identical with the corresponding construction of the replacing instrument 30 of the first embodiment.
Figure 14 is the schematic perspective view of the third exemplary continuous embodiment according to replacing instrument of the present invention.In the replacing instrument 50 of the 3rd embodiment, operating portion 51 is provided with operation projection 52, thus is convenient to this replacing instrument 50 of hand-held.Other structure of this replacing instrument 50 is identical with the corresponding construction of the replacing instrument 40 of the second embodiment.In above-mentioned replacing instrument 30,40 and 50, the first insertion section and the second insertion section are connected on operating portion all integratedly.
Figure 15 is the schematic perspective view of the 4th kind of exemplary continuous embodiment according to replacing instrument of the present invention.In the replacing instrument 60 of the 4th embodiment, at least one in the first insertion section 62 and the second insertion section 63 is removably connected on operating portion 61.Specifically, operating portion 61 is cylinder, and the first insertion section 62 and/or the second insertion section 63 are fixed in cylinder by fastening bolt 66.The first insertion section 62 and/or the second insertion section 63 can be removed from the cylinder as operating portion 61 by loosening fastening bolt 66.In further embodiment, the first insertion section 62 and the second insertion section 63 are also connected with the larger transition part of diameter 64 and 65 respectively integratedly, and transition part 64 and 65 can in the cylinder in update portion 61.
Figure 16 is the schematic perspective view of the 5th kind of exemplary continuous embodiment according to replacing instrument of the present invention.The difference of the replacing instrument 70 of the 5th embodiment and the replacing instrument 50 of the 3rd embodiment is to eliminate the first insertion section.Figure 17 is the schematic perspective view of the 6th kind of exemplary continuous embodiment according to replacing instrument of the present invention.The difference of the replacing instrument 80 of the 6th embodiment and the replacing instrument 50 of the 3rd embodiment is to eliminate the second insertion section.Be appreciated that replacing instrument 70 and 80 combines, the installation with new aligned sleeves that removes of old aligned sleeves can be realized.
According to the further embodiment of the present invention, a kind of method utilizing the extension fixture described in above-mentioned various embodiment and change that tool changing is contained in the aligned sleeves in adapter is provided, comprise the steps: that extension fixture 20 is inserted into the acceptance division of adapter 10, make the dilator 22 of extension fixture be inserted into the open slot 121 of the sleeve pipe keeper 12 of adapter, expand radially outwardly with the shell fragment 122 of drive sleeve keeper; The through hole 211 of extension fixture is inserted in the first insertion section changing instrument 30, and makes the first insertion section be inserted into old aligned sleeves in sleeve pipe keeper in the mode of interference engagement; Transfer to replacing instrument, old aligned sleeves is removed from the first insertion section; A new aligned sleeves is enclosed within the second insertion section of replacing instrument; The second insertion section of the replacing instrument of new aligned sleeves is had by cover to insert the through hole of extension fixture; New aligned sleeves is inserted in sleeve pipe keeper; Transfer to replacing instrument, new aligned sleeves automatically departs from from the second insertion section and is retained in sleeve pipe keeper; And extension fixture is transferred to from adapter.
Describing referring to Figure 18-26 utilizes extension fixture 20 of the present invention and replacing instrument 30 to change the operating process of aligned sleeves 13.
In figure 18, main part 21 is inserted in housing 23, forms extension fixture 20, in Figure 19, the extension fixture 20 assembled is inserted in the acceptance division of adapter 10 by thinner one section of hand-held housing 23, in this insertion process, the dilator 22 of extension fixture 20 is inserted in the open slot 121 of the sleeve pipe keeper 12 of adapter 10, the shell fragment 122 of drive sleeve keeper 12 is expanded radially outwardly simultaneously, when dilator 22 inserts the appropriate location in the respective openings groove 121 of sleeve pipe keeper 12 at axial direction respectively, the maintenance projection 141 of adapter 10 is attached in retention groove 24, extension fixture 20 to be remained on (see Figure 26 and 27) in adapter 10.In fig. 20, will the first insertion section of instrument 30 and part operation portion be changed insert the through hole 211 of extension fixture 20, and make the first insertion section be inserted into old aligned sleeves 13 in sleeve pipe keeper 12 in the mode of interference engagement; In figure 21, transfer to replacing instrument 30, the first insertion section is still combined with this old aligned sleeves 13 simultaneously; Then, in fig. 22, firmly old aligned sleeves 13 is removed from the first insertion section.
A new aligned sleeves 13 ' is enclosed within the second insertion section 33 of replacing instrument 30; In fig 23, the second insertion section of the replacing instrument 30 of new aligned sleeves 13 ' and part operation portion is had by cover to insert the through hole 211 of extension fixture 20; In Figure 24, new aligned sleeves 13 ' is inserted in sleeve pipe keeper 12, and Figure 26 and 27 shows new aligned sleeves 13 ' and is inserted into state in sleeve pipe keeper 12; In fig. 25, transfer to replacing instrument 30, diameter due to the second insertion section 33 is less than the internal diameter of new aligned sleeves 13 ', and make in the process transfering to replacing instrument 30, new aligned sleeves 13 ' automatically departs from from the second insertion section 33 and is retained in sleeve pipe keeper 12; Finally, extension fixture 20 is transferred to from adapter, the dilator 22 of extension fixture 20 is departed from the shell fragment 122 of adapter 10 combine, shell fragment 122 returns to its original state, and new aligned sleeves 13 ' remains in sleeve pipe keeper 12 by the outstanding stop part 123 on shell fragment 122.
Be appreciated that, also can use in the replacing instrument shown in Figure 14-17 one or two coordinate with extension fixture 20 old aligned sleeves taken out from sleeve pipe keeper 12, and put in sleeve pipe keeper 12 by new aligned sleeves, thus realize the replacing of aligned sleeves.
Figure 28 is the schematic perspective view of the extension fixture according to the second exemplary embodiment of the present invention.In this extension fixture 20 ', the shape of the lateral cross section of housing 23 ' is roughly the same with size with the shape of joints of optical fibre with size, and has guide portion 231 '.A part for the main part 21 ' of extension fixture is removably mounted in housing 23 '.
Figure 29 is the schematic perspective view of the extension fixture according to the third exemplary embodiment of the present invention.At this extension fixture 20 " in, housing 23 " the shape of lateral cross section roughly the same with size with the shape of joints of optical fibre with size, and there is guide portion 231 ".The main part of extension fixture can with housing 23 " adopt together with the mode of once injection moulding forms.Alternatively, the main part of extension fixture also can be releasably attached to housing 23 " in.
In the embodiment of above-described adapter 10, SC joints of optical fibre can only be held, but the present invention is not limited thereto.Multiple (such as 3,2,4) acceptance division can be set in adapter, to hold multiple joints of optical fibre simultaneously.Be appreciated that adapter of the present invention can be various types of adapters with aligned sleeves, to coordinate with fiber stub (ferrule) joints of optical fibre (such as SC connector, LC connector) that have of corresponding types.
According to the adapter of the above-mentioned various embodiment of the present invention, extension fixture and the instrument of replacing, the sleeve pipe keeper of adapter comprises the many valve structures be made up of multiple shell fragment, aligned sleeves can be kept securely, simultaneously, when aligned sleeves causes its internal dust to be piled up owing to repeatedly plugging, due to improper use cause aligned sleeves cracked or damaged time, extension fixture can be used to be expanded the end of the sleeve pipe keeper of adapter, and use replacing instrument to take out old aligned sleeves and replace with new aligned sleeves, farthest avoid and cause whole fiber adapter to be affected because of the damage of single component (aligned sleeves), even scrap.Especially for high-density optical fiber adapter assembly, the replacing assembly be made up of control device of the present invention and replacing instrument can facilitate and change aligned sleeves simply.
Although be illustrated connector of the present invention for the object that continues with optical fiber in the above embodiments, those skilled in the art will appreciate that some embodiments of connector of the present invention also can be applied to connection two cables.Particularly, be provided with in the disparate networks communication terminal of plug and socket connector at such as computing machine, router, server, switch etc.
It will be appreciated by those skilled in the art that, embodiment described above is all exemplary, and those skilled in the art can make improvements, independent assortment can be carried out when the conflict of the structure described in various embodiment in not recurring structure or principle, thus on the basis solving technical matters of the present invention, realize more kinds of adapter, extension fixture, replacing instrument and change assembly.
After detailed description preferred embodiment of the present invention; those of ordinary skill in the art can clearly understand; various change and change can be carried out under the protection domain not departing from claim of enclosing and spirit, and the present invention is not also limited to the embodiment of examples cited embodiment in instructions.

Claims (19)

1. the adapter be combined with the joints of optical fibre, is characterized in that, comprising:
Framework, described lower portion forms at least one for holding the acceptance division at least partially of described connector, and the described joints of optical fibre comprise a fiber stub;
Described in each, acceptance division comprises:
Sleeve pipe keeper, comprising:
Be arranged on the base portion on framework;
Extend in the axial direction and the multiple shell fragments circumferentially arranged from described base portion, two adjacent shell fragments separate with open slot; And
Be arranged on the stop part at least one in described shell fragment, extend internally from the free end of described shell fragment,
Aligned sleeves, is maintained in described sleeve pipe keeper by described stop part, to hold and to aim at the lock pin of the described joints of optical fibre;
Wherein, each described shell fragment has at described two circumferentially relative side surfaces, and at least one in described side surface is configured to by applying external force on described side surface, described shell fragment radially be expanded outwardly.
2. adapter as claimed in claim 1, is characterized in that, be included in two cantilevers of described sleeve pipe keeper further, and the free end of described cantilever is provided with and keeps protruding.
3. adapter as claimed in claim 2, it is characterized in that, described framework is provided with guiding groove.
4. for an extension fixture for adapter as claimed in claim 1, it is characterized in that, comprising:
Main part, described main part has axially through through hole; And
Multiple dilator, outwards axially extends from the edge of described main part at described through hole,
Wherein, described dilator can insert in the respective openings groove of the sleeve pipe keeper of described adapter at axial direction respectively, radially expands outwardly to drive corresponding described shell fragment.
5. extension fixture as claimed in claim 4, is characterized in that, the internal diameter of described dilator place circle is substantially equal to the internal diameter of described sleeve pipe keeper.
6. extension fixture as claimed in claim 5, it is characterized in that, comprise housing further, described main part is arranged in described housing, and the profile of described housing and the acceptance division of described adapter match.
7. extension fixture as claimed in claim 6, it is characterized in that, the framework of described adapter is provided with guiding groove, and described housing is provided with the bootstrap block coordinated with described guiding groove.
8. extension fixture as claimed in claim 6, it is characterized in that, described adapter also comprises two cantilevers, lays respectively at the both sides of described sleeve pipe keeper, and the free end of described cantilever is provided with and keeps protruding;
The main part of described extension fixture is provided with retention groove, when described dilator inserts the appropriate location in the respective openings groove of described sleeve pipe keeper at axial direction respectively, described maintenance projection is attached in described retention groove, to be remained in described adapter by described extension fixture.
9. extension fixture as claimed in claims 6 or 7, it is characterized in that, described main part is provided with location division, and described location division is formed in the process be combined with the sleeve pipe keeper of described adapter by described extension fixture and prevents described main part from moving relative to described housing.
10. with the extension fixture described in any one in claim 4-9 with the use of a replacing instrument, it is characterized in that, comprising:
Operating portion, the exterior contour of described operating portion and the through hole of described extension fixture match;
First insertion section, the diameter of described first insertion section is less than the diameter of described operating portion, and can insert described aligned sleeves in the mode of interference engagement; And
Second insertion section, the diameter of described second insertion section is less than the diameter of described operating portion and the internal diameter of described aligned sleeves.
11. change instrument as claimed in claim 10, it is characterized in that, at least one in described first insertion section and the second insertion section is removably mounted on described operating portion.
12. change instrument as claimed in claim 10, it is characterized in that, at least one in described first insertion section and the second insertion section is connected on described operating portion integratedly.
13. replacing instruments as described in any one in claim 10-12, is characterized in that, between described operating portion and described first insertion section, be provided with transition part, and the diameter of described transition part is less than the diameter of operating portion and is greater than the diameter of described first insertion section.
14. replacing instruments as described in any one in claim 10-12, it is characterized in that, described operating portion is provided with operation projection.
Change assembly, it is characterized in that, comprising for 15. 1 kinds:
Extension fixture described in any one in claim 4-9; And
Replacing instrument described in any one in claim 10-14.
16. 1 kinds with the extension fixture described in any one in claim 4-9 with the use of first change instrument, it is characterized in that, comprising:
First operating portion, the exterior contour of described first operating portion and the through hole of described extension fixture match;
First insertion section, the diameter of described first insertion section is less than the diameter of described operating portion and the diameter of described aligned sleeves.
17. 1 kinds with the extension fixture described in any one in claim 4-9 with the use of second change instrument, it is characterized in that, comprising:
Second operating portion, the exterior contour of described second operating portion and the through hole of described extension fixture match;
Second insertion section, the diameter of described second insertion section is less than the diameter of described operating portion, and can insert described aligned sleeves in the mode of interference engagement.
Change assembly, it is characterized in that, comprising for 18. 1 kinds:
Extension fixture described in any one in claim 4-9;
According to claim 16 first changes instrument; And
According to claim 17 second changes instrument.
The method of the aligned sleeves in 19. 1 kinds of adapters utilizing the replacing tool changing described in the extension fixture described in any one in claim 4-9 and any one in claim 10-14 to be contained in as described in any one in claim 1-3, comprises the steps:
Extension fixture is inserted into the acceptance division of adapter, makes the dilator of extension fixture be inserted into the open slot of the sleeve pipe keeper of adapter, expands radially outwardly with the shell fragment of drive sleeve keeper;
The through hole of extension fixture is inserted in first insertion section of the instrument of replacing, and makes the first insertion section be inserted into old aligned sleeves in sleeve pipe keeper in the mode of interference engagement;
Transfer to replacing instrument, old aligned sleeves is removed from the first insertion section;
A new aligned sleeves is enclosed within the second insertion section of replacing instrument;
The second insertion section of the replacing instrument of new aligned sleeves is had by cover to insert the through hole of extension fixture;
New aligned sleeves is inserted in sleeve pipe keeper;
Transfer to replacing instrument, new aligned sleeves automatically departs from from the second insertion section and is retained in sleeve pipe keeper; And
Extension fixture is transferred to from adapter.
CN201310132801.9A 2013-04-17 2013-04-17 Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves Expired - Fee Related CN104111498B (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201310132801.9A CN104111498B (en) 2013-04-17 2013-04-17 Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves
PCT/IB2014/060792 WO2014170856A2 (en) 2013-04-17 2014-04-17 Adapter, expansion device for adapter, replacement tool used together with expansion device, replacement assembly and method of replacing sleeve
EP14721545.3A EP2987014A2 (en) 2013-04-17 2014-04-17 Adapter, expansion device for adapter, replacement tool used together with expansion device, replacement assembly and method of replacing sleeve
ZA2015/07738A ZA201507738B (en) 2013-04-17 2015-10-15 Adapter, expansion device for adapter, replacement tool used together with expansion device, replacement assembly and method of replacing sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310132801.9A CN104111498B (en) 2013-04-17 2013-04-17 Adapter, extension fixture, replacing instrument, change assembly and change the method for aligned sleeves

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CN104111498B true CN104111498B (en) 2016-03-09

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CN105974532B (en) * 2016-03-31 2017-09-29 中航光电科技股份有限公司 A kind of SC fiber adapter installation tool
CN113341506B (en) * 2021-05-24 2023-11-07 武汉光迅科技股份有限公司 Connector and connecting device for optical fiber

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ZA201507738B (en) 2017-01-25
CN104111498A (en) 2014-10-22
EP2987014A2 (en) 2016-02-24
WO2014170856A2 (en) 2014-10-23
WO2014170856A3 (en) 2014-12-31

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