WO2015012016A1 - 光コネクタ、コネクタ本体及び光コネクタの組立方法 - Google Patents

光コネクタ、コネクタ本体及び光コネクタの組立方法 Download PDF

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Publication number
WO2015012016A1
WO2015012016A1 PCT/JP2014/065790 JP2014065790W WO2015012016A1 WO 2015012016 A1 WO2015012016 A1 WO 2015012016A1 JP 2014065790 W JP2014065790 W JP 2014065790W WO 2015012016 A1 WO2015012016 A1 WO 2015012016A1
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WO
WIPO (PCT)
Prior art keywords
housing
connector
auxiliary
optical
main
Prior art date
Application number
PCT/JP2014/065790
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
宣直 沖
蔀　龍彦
横町　之裕
Original Assignee
住友電気工業株式会社
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 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to CN201480041361.9A priority Critical patent/CN105452923B/zh
Priority to KR1020167004544A priority patent/KR102184430B1/ko
Publication of WO2015012016A1 publication Critical patent/WO2015012016A1/ja

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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
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3846—Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
    • 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
    • G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
    • 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
    • G02B6/3869—Mounting ferrules to connector body, i.e. plugs
    • G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together

Definitions

  • the present invention relates to an optical connector used for connecting optical fibers, a connector body, and an optical connector assembling method.
  • An optical connector described in Patent Document 1 is a mechanical splice that positions and fixes a ferrule in which a short optical fiber is incorporated and an optical fiber that is disposed so as to cover the rear end of the ferrule and is connected to the short optical fiber.
  • the optical connector there are a large number of parts constituting the optical connector such as a stop ring, a front housing, a mechanical splice connecting member, and a clamp member. This not only leads to an increase in cost, but also takes time to assemble the optical connector.
  • An object of the present invention is to provide an optical connector and an optical connector assembling method capable of reducing the number of parts and simplifying assembling work.
  • An optical connector is an optical connector including a connector main body and an optical fiber connection portion that is incorporated in the connector main body and has a built-in fiber connected to the optical fiber of the optical cable.
  • the connector main body is housed in a main housing having a fiber connection housing portion for housing the optical fiber connection portion, and a cable fixing portion for securing the optical cable.
  • the auxiliary housing is provided integrally or detachably and a cover housing that covers the auxiliary housing. At least two of the main housing, the auxiliary housing, and the cover housing are connected via a hinge before the connector body is assembled.
  • the connector main body is configured to be assembled by folding a housing connected through a hinge among the auxiliary housing and the cover housing.
  • optical connector in an optical connector comprising a connector main body, and an optical fiber connecting portion having a built-in fiber incorporated in the connector main body and connected to the optical fiber of the optical cable,
  • the connector body is housed in a main housing having a fiber connection housing portion for housing the optical fiber connection portion, and a region behind the fiber connection housing portion in the main housing, and the cable fixing portion for fixing the optical cable can be integrated or detached.
  • An auxiliary housing and a cover housing that covers the auxiliary housing. At least two of the main housing, the auxiliary housing, and the cover housing are connected via a hinge, or the connected hinge is broken.
  • the connector main body according to the present invention is a connector main body that constitutes an optical connector together with an optical fiber connecting portion having a built-in fiber connected to an optical fiber of an optical cable, and the front portion
  • a main housing having a fiber connection accommodating portion capable of accommodating an optical fiber connecting portion, an auxiliary housing in which a cable fixing portion for fixing an optical cable is provided integrally or detachably, and a cover for covering the auxiliary housing
  • the auxiliary housing is connected to a rear end portion of the main housing or a side portion of the main housing via a first hinge
  • the cover housing includes a rear end portion of the auxiliary housing and the auxiliary housing.
  • Grayed and the cover housing is foldable relative to the housing which is connected via a first or second hinge.
  • the optical connector assembling method is an optical connector assembling method including a connector main body and an optical fiber connecting portion having a built-in fiber incorporated in the connector main body and connected to the optical fiber of the optical cable.
  • This optical connector assembling method includes, as a connector body, a main housing having a fiber connection accommodating portion for accommodating an optical fiber connecting portion, and a cable that is accommodated in a region behind the fiber connection accommodating portion in the main housing and fixes the optical cable.
  • a step of assembling a connector body by folding a housing connected through a hinge among the auxiliary housing and the cover housing.
  • the number of parts of the optical connector can be reduced, and the assembly work of the optical connector can be simplified. Thereby, it becomes possible to contribute to improvement of workability
  • FIG. 1 is a perspective view showing an appearance of an embodiment of an optical connector according to the present invention.
  • FIG. 2 is an exploded perspective view of the optical connector shown in FIG. 3 is a cross-sectional view showing a state before the connector main body is assembled in the optical connector shown in FIG.
  • FIG. 4 is an enlarged cross-sectional view showing a state where the optical fiber connecting portion shown in FIG. 3 is locked to the connector main body.
  • FIG. 5 is a plan view and a back view showing a state before the connector main body shown in FIG. 2 is assembled.
  • FIG. 6 is a side view showing a state before the connector main body shown in FIG. 2 is assembled.
  • FIG. 7 is a perspective view illustrating a state in which the auxiliary housing and the cover housing illustrated in FIG. 2 are folded.
  • FIG. 1 is a perspective view showing an appearance of an embodiment of an optical connector according to the present invention.
  • FIG. 2 is an exploded perspective view of the optical connector shown in FIG. 3 is a cross-sectional view
  • FIG. 8 is a perspective view showing how the connector main body shown in FIG. 2 is assembled.
  • FIG. 9 is a cross-sectional view illustrating a modification of the state in which the optical fiber connection portion illustrated in FIG. 4 is locked to the connector body.
  • FIG. 10 is a perspective view showing a state before the connector main body of another embodiment of the optical connector according to the present invention is assembled.
  • 11 is a plan view of the connector main body shown in FIG. 12 is a side view of the connector main body shown in FIG.
  • FIG. 13 is a perspective view showing a state before the connector main body of still another embodiment of the optical connector according to the present invention is assembled.
  • 14 is a plan view of the connector body shown in FIG. 15 is a side view of the connector main body shown in FIG. FIG.
  • FIG. 16 is a perspective view showing a state before the connector main body of still another embodiment of the optical connector according to the present invention is assembled.
  • 17 is a plan view of the connector main body shown in FIG. 18 is a side view of the connector main body shown in FIG.
  • FIG. 19 is a perspective view showing a modification of the connector main body shown in FIG.
  • FIG. 20 is a perspective view showing a state in which another modification of the connector main body shown in FIG. 2 is assembled.
  • FIG. 21 is a perspective view showing how an optical cable is fixed by the cable fixing member shown in FIG.
  • the optical connector which concerns on 1 side of this invention is an optical connector provided with the connector main body and the optical fiber connection part which is integrated in the connector main body and has a built-in fiber connected with the optical fiber of an optical cable.
  • the connector main body is housed in a main housing having a fiber connection housing portion for housing the optical fiber connection portion, and a cable fixing portion for securing the optical cable.
  • the auxiliary housing is provided integrally or detachably and a cover housing that covers the auxiliary housing. At least two of the main housing, the auxiliary housing, and the cover housing are connected via a hinge before the connector body is assembled.
  • the connector main body is configured to be assembled by folding a housing connected through a hinge among the auxiliary housing and the cover housing.
  • the optical fiber connection portion is accommodated in the fiber connection accommodation portion of the main housing, and the auxiliary housing is accommodated in the area behind the fiber connection accommodation portion in the main housing, and the cover is covered in that state.
  • the connector body is assembled by covering the auxiliary housing with the housing.
  • at least two of the main housing, the auxiliary housing, and the cover housing are connected via a hinge.
  • the number of parts constituting the connector main body is at most two.
  • the housing connected via the hinge among the auxiliary housing and the cover housing is folded, and the connector main body is assembled. Thereby, the number of parts of the optical connector can be reduced, and the assembly work of the optical connector can be simplified.
  • the main housing, the auxiliary housing, and the cover housing are connected via a hinge before the connector main body is assembled, and the connector main body is assembled by folding the auxiliary housing and the cover housing. It may be configured as follows. In this case, since the connector main body is composed of one component, the number of components of the optical connector can be greatly reduced.
  • the auxiliary housing is connected to the rear end of the main housing via a hinge before the connector body is assembled, and the cover housing is in a state before the connector body is assembled.
  • the connector main body may be connected to the rear end portion of the auxiliary housing via a hinge, and the connector main body may be assembled by folding the auxiliary housing forward and folding the cover housing rearward.
  • the main housing, the auxiliary housing, and the cover housing are arranged so as to extend in a straight line before the connector body is assembled, the width dimension of the connector body can be reduced.
  • the auxiliary housing is connected to one side of the main housing via a hinge before the connector body is assembled, and the cover housing is in a state before the connector body is assembled.
  • the connector main body may be connected to the front end portion of the auxiliary housing via a hinge, and the connector main body may be constructed by folding the auxiliary housing to the side and folding the cover housing backward.
  • the auxiliary housing and the cover housing are arranged on one side of the main housing in a state before the connector body is assembled, without increasing the width dimension of the connector body more than necessary, The length of the connector body can be reduced.
  • the auxiliary housing is connected to one side of the main housing via a hinge before the connector body is assembled, and the cover housing is in a state before the connector body is assembled.
  • the main body is connected to the other side of the main housing or the side of the auxiliary housing opposite to the main housing via a hinge, and the connector main body is assembled by folding the auxiliary housing to the side and folding the cover housing to the side. It may be configured as follows. In this case, since the main housing, the auxiliary housing, and the cover housing are arranged side by side on the side of the main housing before the connector main body is assembled, the length of the connector main body should be reduced. Can do.
  • the first locking means for locking the auxiliary housing to the main housing when the auxiliary housing is folded, and the cover housing to the main housing when the cover housing is folded. You may further provide the 2nd latching means to stop. In this case, even if the hinge connecting the main housing and the auxiliary housing is broken after the auxiliary housing is locked to the main housing by the first locking means, it functions as an optical connector. Further, even if the hinge connecting the main housing or the auxiliary housing and the cover housing is broken after the cover housing is locked to the main housing by the second locking means, it functions as an optical connector.
  • the first locking means includes a locking hole formed in the main housing, a locking claw and a locking protrusion formed in the auxiliary housing that are engaged with the locking hole. And at least one of them.
  • the auxiliary housing can be reliably locked to the main housing by simple means by the locking hole and at least one of the locking claw and the locking projection.
  • the second locking means may include a locking recess formed in the main housing, and a locking projection that engages with the locking recess and is formed in the cover housing. Good.
  • the second locking means can reliably lock the cover housing to the main housing by simple means by the locking recess and the locking projection.
  • the second locking means includes a locking projection formed on the main housing, and a locking window that engages with the locking projection and is formed on the cover housing. But you can. In this case, the second locking means can reliably lock the cover housing to the main housing by simple means by the locking projection and the locking window.
  • the optical connector according to one aspect may further include means for locking the optical fiber connection portion to the main housing or the auxiliary housing in a state where the connector main body is assembled.
  • the optical fiber connection portion can be housed in a fixed state in the fiber connection housing portion.
  • An optical connector is an optical connector including a connector main body, and an optical fiber connection portion that is incorporated in the connector main body and is connected to the optical fiber of the optical cable.
  • a main housing having a fiber connection accommodating portion for accommodating an optical fiber connecting portion, and a cable fixing portion that is accommodated in a region on the rear side of the fiber connection accommodating portion in the main housing, and is provided so as to be integrated or detachable.
  • An auxiliary housing and a cover housing covering the auxiliary housing are provided, and at least two of the main housing, the auxiliary housing and the cover housing are connected via a hinge, or the connected hinge is broken.
  • the number of parts constituting the connector main body is at most two.
  • the connector body is assembled, even if the hinge connecting at least two of the main housing, the auxiliary housing, and the cover housing is broken, the function as an optical connector is not affected at all. Thereby, the number of parts of the optical connector can be reduced, and the assembly work of the optical connector can be simplified.
  • a connector main body is a connector main body that constitutes an optical connector together with an optical fiber connection portion having a built-in fiber connected to an optical fiber of an optical cable, and the optical fiber connection portion is incorporated therein,
  • a main housing having a fiber connection housing portion provided in a portion and capable of housing an optical fiber connection portion; an auxiliary housing in which a cable fixing portion for fixing an optical cable is provided integrally or detachably; and for covering the auxiliary housing
  • the auxiliary housing is connected to the rear end of the main housing or the side of the main housing via a first hinge, and the cover housing is connected to the rear end of the auxiliary housing. It is connected to the front end of the housing or the side of the main housing via a second hinge. Ring and the cover housing is foldable relative to the housing which is connected via a first or second hinge.
  • the main housing and the auxiliary housing are connected via the first hinge, and the auxiliary housing and the cover housing are connected via the second hinge.
  • the number of parts constituting the connector main body is only one.
  • the connector main body is assembled, even if the first hinge or the second hinge is broken, the function as an optical connector is not affected at all. Thereby, the number of parts of the optical connector can be reduced, and the assembly work of the optical connector can be simplified.
  • the auxiliary housing is connected to the rear end portion of the main housing via the first hinge, and the cover housing is connected to the rear end portion of the auxiliary housing via the second hinge. May be.
  • the number of parts of the optical connector can be reduced, and the assembly work of the optical connector can be simplified.
  • the main housing has an auxiliary housing accommodating portion for accommodating the auxiliary housing in the rear side portion, and a locking hole is formed on the front side of the auxiliary housing accommodating portion, A locking claw that can be engaged with the locking hole may be formed on the rear side of the auxiliary housing.
  • the auxiliary housing accommodating portion is accommodated in the main housing, the locking hole and the locking claw are engaged.
  • the auxiliary housing can be reliably locked to the main housing by simple means.
  • An optical connector assembling method includes an optical connector including a connector main body and an optical fiber connection portion that is incorporated in the connector main body and has a built-in fiber connected to the optical fiber of the optical cable.
  • This assembling method includes a main housing having a fiber connection accommodating portion for accommodating an optical fiber connecting portion as a connector main body, and a cable fixing portion that is accommodated in a region behind the fiber connection accommodating portion in the main housing and fixes the optical cable.
  • An auxiliary housing provided integrally or detachably and a cover housing covering the auxiliary housing are prepared, and at least two of the main housing, the auxiliary housing and the cover housing are connected via a hinge. And a step of assembling the connector main body by folding a housing connected through a hinge among the auxiliary housing and the cover housing.
  • the number of parts of the optical connector is reduced by folding the auxiliary housing and the cover housing which are connected via a hinge and assembling the connector body.
  • the assembly work of the optical connector can be simplified.
  • FIG. 1 is a perspective view showing the appearance of an embodiment of an optical connector according to the present invention
  • FIG. 2 is an exploded perspective view of the optical connector shown in FIG. 1A and 1B
  • an optical connector 1 according to the present embodiment includes a connector main body 2, an optical fiber connecting portion 3 incorporated in the connector main body 2, a spring 4 disposed in the connector main body 2, and a front portion of the connector main body 2. And a knob 5 for covering.
  • the optical fiber connecting portion 3 has a mechanical splice 6 and a ferrule 7 attached to the front end portion of the mechanical splice 6.
  • the mechanical splice 6 includes a base portion 8 having a V groove 8 a for positioning and housing the optical fiber 74 (see FIG. 21) of the optical cable 70, and for pressing the optical fiber 74 against the base portion 8. It consists of a pressing part (not shown), and a clamp part 9 having a U-shaped cross section for mechanically fixing the optical fiber 74 by sandwiching the base part 8 and the pressing part.
  • the ferrule 7 holds a short built-in fiber 10 connected to the optical fiber 74 fixed by the mechanical splice 6.
  • a pair of locking projections 11 for locking the optical fiber connecting portion 3 to the connector main body 2 is provided at the central portion of the mechanical splice 6.
  • a pair of locking projections 12 for locking the optical fiber connecting portion 3 to the connector main body 2 is provided at the rear end portion of the mechanical splice 6.
  • the connector main body 2 has a structure in which the main housing 13, the auxiliary housing 14, and the cover housing 15 are integrated before being assembled.
  • the auxiliary housing 14 is foldable with respect to the main housing 13, and the cover housing 15 is foldable with respect to the auxiliary housing 14 (see FIG. 7). For this reason, the back side of the auxiliary housing 14 faces the upper side of the connector body 2.
  • the auxiliary housing 14 is connected to the rear end portion of the main housing 13 via a hinge 16, and the cover housing 15 is The rear end of the auxiliary housing 14 is connected via a hinge 17. That is, before the connector main body 2 is assembled, the main housing 13, the auxiliary housing 14, and the cover housing 15 are arranged so as to extend in a straight line.
  • the hinge 16 is provided at the lower rear end of the main housing 13.
  • the hinge 17 is provided at the lower rear end of the auxiliary housing 14.
  • a front end portion of the main housing 13 is provided with a fiber connection accommodation portion 18 having a substantially rectangular cross section for accommodating the optical fiber connection portion 3.
  • An auxiliary housing accommodating portion 19 that accommodates the auxiliary housing 14 is provided on the rear portion of the main housing 13.
  • the upper and lower walls 18a and 18b of the fiber connection accommodating portion 18 are respectively formed with locking windows 20 that engage with the locking protrusions 11 described above.
  • a through hole 21 is formed in the rear wall 18c of the fiber connection housing portion 18 so as to penetrate the rear end portion of the optical fiber connection portion 3.
  • the rear end portion of the optical fiber connecting portion 3 is located in the auxiliary housing accommodating portion 19.
  • the rear wall 18c of the fiber connection accommodating portion 18 engages with the locking protrusion 12 described above.
  • a wedge insertion hole 22 through which a wedge (not shown) for opening a boundary portion between the base portion 8 and the pressing portion (not shown) in the mechanical splice 6 is passed through the lower wall 18b of the fiber connection accommodating portion 18. Is formed.
  • the spring 4 is disposed between the locking projection 11 of the mechanical splice 6 and the rear wall 18c of the fiber connection accommodating portion 18.
  • Said knob 5 is attached to the fiber connection accommodating part 18 so that the fiber connection accommodating part 18 may be covered (refer FIG. 1).
  • the auxiliary housing accommodating portion 19 has a U-shaped cross section with an open upper surface.
  • Locking holes 23 for locking the auxiliary housing 14 to the main housing 13 are formed in the lower portions of the pair of side walls 19 a of the auxiliary housing accommodating portion 19.
  • a locking hole 24 for locking the auxiliary housing 14 to the main housing 13 is formed in the lower part inside the rear of the locking hole 23 in the pair of side walls 19a of the auxiliary housing accommodating portion 19.
  • a locking recess 25 for locking the cover housing 15 to the main housing 13 is formed on the inner upper part of the front side of the locking hole 23 in the pair of side walls 19a of the auxiliary housing accommodating portion 19, respectively.
  • Locking protrusions 26 and 27 for locking the cover housing 15 to the main housing 13 are provided on the front and rear sides of the lower part of the pair of side walls 19a of the auxiliary housing accommodating portion 19, respectively.
  • the auxiliary housing 14 is integrally provided with a cable fixing portion 28 for fixing the optical cable 70 (see FIG. 21).
  • the cable fixing portion 28 is provided on the front portion of the bottom surface of the auxiliary housing 14 before the connector main body 2 is assembled. Therefore, in a state where the auxiliary housing 14 is folded with respect to the main housing 13 and accommodated in the auxiliary housing accommodating portion 19 of the main housing 13, the cable fixing portion 28 is positioned at the rear end portion of the auxiliary housing accommodating portion 19. Become.
  • the cable fixing portion 28 has a plurality of blade portions (demons) 28 a that bite into the cable jacket 70 a of the optical cable 70.
  • the auxiliary housing 14 is provided with a pair of latch portions 30 having locking claws 29 that engage with the respective locking holes 23 of the auxiliary housing accommodating portion 19.
  • the latch portion 30 is provided on the rear portion of the bottom surface of the auxiliary housing 14 before the connector body 2 is assembled. Therefore, in a state where the auxiliary housing 14 is folded with respect to the main housing 13 and accommodated in the auxiliary housing accommodating portion 19 of the main housing 13, the latch portion 30 is positioned at the front end portion of the auxiliary housing accommodating portion 19.
  • a pair of locking protrusions 31 that protrude outside the auxiliary housing 14 and engage with the locking holes 24 of the auxiliary housing accommodating portion 19.
  • a pair of slits 32 extending in the front-rear direction of the auxiliary housing 14 is formed in a region including a portion corresponding to each locking projection 31 in the auxiliary housing 14. These slits 32 are formed so that the locking projections 31 can be elastically deformed in the width direction of the auxiliary housing 14.
  • the cover housing 15 covers the auxiliary housing 14 accommodated in the auxiliary housing accommodating portion 19 of the main housing 13.
  • a pair of columnar locking projections 33 that engage with the locking recesses 25 of the auxiliary housing housing 19 are provided.
  • the axis of the locking projection 33 is located on the bending axis of the hinge 17. Therefore, the cover housing 15 is rotatably supported by the auxiliary housing accommodating portion 19 via the locking protrusions 33.
  • Locking windows 34 and 35 that engage with the locking protrusions 26 and 27 of the auxiliary housing accommodating portion 19 are formed on both side walls 15a of the cover housing 15 in the front-rear direction.
  • a cutout portion 36 is formed in the rear wall 15b of the cover housing 15 for passing the optical cable 70 (see FIG. 21).
  • a relatively soft resin such as PP, POM, PBT, PE, or the like, for example, PBT-GF (graphite) , PC-GF, modified PPE-GF, PEI (-GF), PES (-GF), PPS (-GF), LCP (-GF), ABS (-GF) and the like are used.
  • PBT-GF graphite
  • PC-GF modified PPE-GF
  • PEI -GF
  • PES -GF
  • PPS PPS
  • LCP -GF
  • ABS -GF
  • the auxiliary housing 14 When assembling such a connector main body 2, the auxiliary housing 14 is moved forward with respect to the main housing 13 via the hinge 16 from the state shown in FIG. 8A, as shown in FIG. 8B. By folding, the auxiliary housing 14 is accommodated in the auxiliary housing accommodating portion 19 of the main housing 13. At this time, the latching claws 29 of the latch portions 30 of the auxiliary housing 14 are hooked into the latching holes 23 of the auxiliary housing housing portion 19, and the latching protrusions 31 of the auxiliary housing 14 are Hook into the locking hole 24. As a result, the auxiliary housing 14 is locked to the main housing 13.
  • each locking projection 33 of the cover housing 15 is fitted into each locking recess 25 of the auxiliary housing accommodating portion 19.
  • the cover housing 15 is closed with respect to the auxiliary housing 14 by folding the cover housing 15 backward with respect to the auxiliary housing 14 via the hinge 17 as shown in FIG.
  • the locking windows 34 and 35 of the cover housing 15 are hooked on the locking protrusions 26 and 27 of the auxiliary housing accommodating portion 19.
  • the cover housing 15 is locked to the main housing 13.
  • the optical fiber connection portion 3 is inserted into the fiber connection accommodating portion 18 of the main housing 13 together with the spring 4 from the front side of the connector body 2. Then, the optical fiber connecting portion 3 is fixed to the main housing 13. In this state, the connector main body 2 is assembled as shown in FIG.
  • the cable jacket 70 a (see FIG. 21) of the optical cable 70 is connected to the cable fixing portion 28. Fix it. Then, in a state where a wedge (not shown) is inserted into the mechanical splice 6 from the wedge insertion hole 22 of the fiber connection accommodating portion 18 and the base portion 8 and the pressing portion (not shown) are opened, the optical fiber of the optical cable 70 is opened. 74 is connected to the built-in fiber 10 held by the ferrule 7 of the optical fiber connecting portion 3.
  • the connector body 2 is connected to the main housing 13, the auxiliary housing 14 connected to the main housing 13 via the hinge 16, and the auxiliary housing 14 to the hinge 17.
  • the cover housing 15 is formed.
  • the connector body 2 is assembled by folding the auxiliary housing 14 with respect to the main housing 13 and folding the cover housing 15 with respect to the auxiliary housing 14.
  • the connector main body 2 when the connector main body 2 is assembled, it is only necessary to fold the auxiliary housing 14 and the cover housing 15, so that the optical connector 1 can be easily assembled and workability can be improved. In addition, it is possible to prevent the order of assembling the optical connector 1 from being mistaken or the direction in which the components constituting the optical connector 1 are arranged from being mistaken. Furthermore, no jig is required for assembling the optical connector 1.
  • the auxiliary housing 14 When the auxiliary housing 14 is folded with respect to the main housing 13, the auxiliary housing 14 is locked to the main housing 13, and when the cover housing 15 is folded with respect to the auxiliary housing 14, the cover housing Since 15 is locked to the main housing 13, even if the hinges 16 and 17 are folded after the connector body 2 is assembled, the auxiliary housing 14 and the cover housing 15 are not easily detached from the main housing 13. Therefore, the optical connector 1 is unlikely to cause a functional problem.
  • the optical fiber connection portion 3 is connected to the main housing by hooking the locking projections 11 and 12 of the mechanical splice 6 on the locking window 20 and the rear wall 18c of the fiber connection accommodating portion 18 of the main housing 13.
  • only one of the locking projections 11 and 12 may be provided on the mechanical splice 6.
  • the locking window 20 may not be formed in the main housing 13.
  • the optical fiber connecting portion 3 is locked to the main housing 13, but the configuration is not particularly limited, and the optical fiber connecting portion 3 is engaged with the auxiliary housing 14 as shown in FIG. 9. You may stop. In this case, after the auxiliary housing 14 is folded and accommodated in the auxiliary housing accommodating portion 19 of the main housing 13, the optical fiber connection portion 3 is accommodated in the fiber connection accommodating portion 18 of the main housing 13 and is engaged with the auxiliary housing 14. Stop. At this time, the rear end portion of the optical fiber connection portion 3 is passed through a through hole 37 formed in the front wall 14a of the auxiliary housing 14, and each locking projection 12 of the optical fiber connection portion 3 is locked to the front wall 14a.
  • FIG. 10 is a perspective view showing a state before the connector main body of another embodiment of the optical connector according to the present invention is assembled.
  • 11 is a plan view of the connector main body shown in FIG. 10
  • FIG. 12 is a side view of the connector main body shown in FIG.
  • the optical connector 40 of this embodiment includes a connector main body 41.
  • the connector main body 41 has a structure in which the main housing 13, the auxiliary housing 14 and the cover housing 15 are integrated in a state before being assembled, like the connector main body 2 in the above embodiment.
  • the auxiliary housing 14 is foldable with respect to the main housing 13, and the cover housing 15 is foldable with respect to the auxiliary housing 14. For this reason, the back side of the auxiliary housing 14 faces the upper side of the connector main body 41.
  • the auxiliary housing 14 Before the connector main body 41 is assembled, the auxiliary housing 14 is connected to one side of the auxiliary housing accommodating portion 19 of the main housing 13 via a hinge 42, and the cover housing 15 is hinged to the front end portion of the auxiliary housing 14. It is connected via 43. That is, before the connector main body 41 is assembled, the auxiliary housing 14 and the cover housing 15 are disposed on one side of the main housing 13.
  • the side wall 19a is not provided in the side part by the side of the hinge 42 in the auxiliary housing accommodating part 19 of the main housing 13 so that the auxiliary housing 14 can be folded. Further, a side wall 14b that protrudes downward from the auxiliary housing 14 is provided on the side of the auxiliary housing 14 on the hinge 42 side before the connector main body 41 is assembled.
  • the auxiliary housing 14 When assembling such a connector main body 41, first, the auxiliary housing 14 is folded laterally with respect to the main housing 13 via the hinge 42, so that the auxiliary housing 14 is accommodated in the auxiliary housing accommodating portion 19 of the main housing 13. .
  • the cover housing 15 is closed with respect to the auxiliary housing 14 by folding the cover housing 15 backward with respect to the auxiliary housing 14 via the hinge 43.
  • the connector main body 41 may be a single component, the number of components of the optical connector 40 can be greatly reduced. Further, when assembling the connector main body 41, it is only necessary to fold the auxiliary housing 14 and the cover housing 15, so that the assembly work of the optical connector 40 can be simplified.
  • FIG. 13 is a perspective view showing a state before the connector main body of still another embodiment of the optical connector according to the present invention is assembled.
  • 14 is a plan view of the connector body shown in FIG. 13, and
  • FIG. 15 is a side view of the connector body shown in FIG.
  • the optical connector 50 of this embodiment includes a connector main body 51.
  • the connector main body 51 has a structure in which the main housing 13, the auxiliary housing 14 and the cover housing 15 are integrated in a state before being assembled, like the connector main body 2 in the above embodiment. Both the auxiliary housing 14 and the cover housing 15 are foldable with respect to the main housing 13. For this reason, the back sides of the auxiliary housing 14 and the cover housing 15 are in a state of facing the upper side of the connector main body 51.
  • the auxiliary housing 14 is connected to one side of the auxiliary housing accommodating portion 19 of the main housing 13 via a hinge 52, and the cover housing 15 is the auxiliary housing accommodating portion of the main housing 13. It is connected to the other side of 19 via a hinge 53.
  • Side walls 19a are not provided on both sides of the auxiliary housing accommodating portion 19 of the main housing 13 so that the auxiliary housing 14 and the cover housing 15 can be folded. Further, a side wall 14b that protrudes downward from the auxiliary housing 14 is provided on the side of the auxiliary housing 14 on the hinge 52 side before the connector main body 51 is assembled.
  • the auxiliary housing 14 When assembling such a connector main body 51, first, the auxiliary housing 14 is folded laterally with respect to the main housing 13 via the hinge 52, so that the auxiliary housing 14 is accommodated in the auxiliary housing accommodating portion 19 of the main housing 13. . Then, the cover housing 15 is closed with respect to the auxiliary housing 14 by folding the cover housing 15 laterally with respect to the main housing 13 via the hinge 53.
  • the connector main body 51 may be a single component, the number of components of the optical connector 50 can be greatly reduced. Further, when assembling the connector main body 51, it is only necessary to fold the auxiliary housing 14 and the cover housing 15, so that the assembly work of the optical connector 50 can be simplified.
  • FIG. 16 is a perspective view showing a state before a connector main body of still another embodiment of the optical connector according to the present invention is assembled.
  • 17 is a plan view of the connector main body shown in FIG. 16, and
  • FIG. 18 is a side view of the connector main body shown in FIG.
  • the optical connector 60 of this embodiment includes a connector main body 61.
  • the connector main body 61 has a structure in which the main housing 13, the auxiliary housing 14 and the cover housing 15 are integrated in a state before being assembled, like the connector main body 2 in the above embodiment.
  • the auxiliary housing 14 is foldable with respect to the main housing 13, and the cover housing 15 is foldable with respect to the auxiliary housing 14. For this reason, the back side of the auxiliary housing 14 faces the upper side of the connector main body 61.
  • the auxiliary housing 14 is connected to one side of the auxiliary housing accommodating portion 19 of the main housing 13 via a hinge 62, and the cover housing 15 is connected to the main housing 13 of the auxiliary housing 14. It is connected to the opposite side through a hinge 63.
  • Side walls 19a are not provided on both sides of the auxiliary housing accommodating portion 19 of the main housing 13 so that the auxiliary housing 14 can be folded. Further, side walls 14b projecting downward from the auxiliary housing 14 are provided on both sides of the auxiliary housing 14 before the connector main body 61 is assembled.
  • the auxiliary housing 14 When assembling such a connector main body 61, first, the auxiliary housing 14 is folded laterally with respect to the main housing 13 via the hinge 62, so that the auxiliary housing 14 is accommodated in the auxiliary housing accommodating portion 19 of the main housing 13. .
  • the cover housing 15 is closed with respect to the auxiliary housing 14 by folding the cover housing 15 laterally with respect to the auxiliary housing 14 via the hinge 63.
  • the connector main body 61 is only one component, the number of components of the optical connector 60 can be greatly reduced. Further, when assembling the connector main body 61, it is only necessary to fold the auxiliary housing 14 and the cover housing 15, so that the assembly work of the optical connector 60 can be simplified.
  • the present invention is not limited to the above embodiment.
  • the structure of the connector body in which the main housing 13, the auxiliary housing 14, and the cover housing 15 are integrated so as to be foldable can be variously modified in addition to the above embodiment.
  • the connector main body has the structure where the main housing 13, the auxiliary
  • the auxiliary housing 14 and the cover housing 15 are connected via a hinge 17 (see FIG. 3), but the main housing 13 and the auxiliary housing 14 are separated. Also good. Further, as shown in FIG. 19B, the main housing 13 and the auxiliary housing 14 are connected via a hinge 16 (see FIG. 3), but the auxiliary housing 14 and the cover housing 15 are separated. It is good. In short, it is only necessary that at least two of the main housing 13, the auxiliary housing 14, and the cover housing 15 are foldably connected via a hinge.
  • the cable fixing portion 28 for fixing the optical cable is integrally provided in the auxiliary housing 14, but is not particularly limited thereto, and as shown in FIG. 20, the cable fixing portion 28 is provided in the auxiliary housing 14.
  • the cable fixing member 71 for fixing the optical cable 70 may be detachably provided on the auxiliary housing 14 without being provided integrally.
  • the cable fixing member 71 is rotated (opened / closed) with respect to a member main body 72 having a plurality of blade portions (demons) 72 a that bite into the cable jacket 70 a of the optical cable 70. It consists of a possible lid 73. Note that the tip portion of the optical cable 70 is in a state where the optical fiber 74 is exposed from the cable jacket 70a.
  • the optical cable 70 is inserted into the cable jacket 70 a of the optical cable 70 by the blade portions 72 a of the member main body 72. In this state, the lid 73 is closed with respect to the member main body 72.
  • the fixing member 71 is attached to the auxiliary housing 14.
  • the auxiliary housing 14 and the cable fixing member 71 are provided with a mechanism for locking them.
  • the present invention can be used for an optical connector for connecting optical fibers to each other.
  • SYMBOLS 1 Optical connector, 2 ... Connector main body, 3 ... Optical fiber connection part, 10 ... Built-in fiber, 11, 12 ... Locking protrusion, 13 ... Main housing, 14 ... Auxiliary housing, 14a ... Front wall, 14b ... Side wall, DESCRIPTION OF SYMBOLS 15 ... Cover housing 16, 17 ... Hinge, 18 ... Fiber connection accommodating part, 18c ... Rear wall, 19 ... Auxiliary housing accommodating part, 20 ... Locking window, 23 ... Locking hole, 24 ... Locking hole, 25 ... Locking recess, 26, 27 ... Locking protrusion, 28 ... Cable fixing part, 29 ... Locking claw, 31 ...

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
PCT/JP2014/065790 2013-07-23 2014-06-13 光コネクタ、コネクタ本体及び光コネクタの組立方法 WO2015012016A1 (ja)

Priority Applications (2)

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CN201480041361.9A CN105452923B (zh) 2013-07-23 2014-06-13 光连接器、连接器主体及光连接器的组装方法
KR1020167004544A KR102184430B1 (ko) 2013-07-23 2014-06-13 광 커넥터, 커넥터 본체 및 광 커넥터의 조립 방법

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JP2013-152635 2013-07-23
JP2013152635A JP6320696B2 (ja) 2013-07-23 2013-07-23 光コネクタ及び光コネクタの組立方法

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GB2612540A (en) 2020-09-04 2023-05-03 Nippon Tsushin Denzai Co Ltd Optical connector
KR102535397B1 (ko) * 2021-03-04 2023-05-26 주식회사 에이제이월드 광커넥터
KR102435283B1 (ko) * 2022-02-14 2022-08-23 (주)휴콤테크놀러지스 개선된 필터링이 가능한 광커넥터

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JPH03156867A (ja) * 1989-10-24 1991-07-04 Amp Inc 電気コネクタ組立体
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JP2005114770A (ja) 2003-10-02 2005-04-28 Sumitomo Electric Ind Ltd 光コネクタ
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JPS57108204U (ko) * 1980-12-24 1982-07-03
JP2001066462A (ja) * 1999-07-13 2001-03-16 Lucent Technol Inc 光ファイバコネクタおよびその複合部品
JP2001056422A (ja) * 1999-08-20 2001-02-27 Anritsu Corp 光ファイバ保持具
JP2008176146A (ja) * 2007-01-19 2008-07-31 Sumitomo Electric Ind Ltd 光コネクタ
WO2010053003A1 (ja) * 2008-11-10 2010-05-14 住友電気工業株式会社 光接続用ケーブル把持部材

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CN105452923A (zh) 2016-03-30
JP2015022266A (ja) 2015-02-02
CN105452923B (zh) 2017-05-31
KR102184430B1 (ko) 2020-11-30
KR20160035008A (ko) 2016-03-30
JP6320696B2 (ja) 2018-05-09

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