JP4368285B2 - Optical connector rosette - Google Patents

Description

  INDUSTRIAL APPLICABILITY The present invention is used for connection at a cable connection point of an optical cable drawn indoors from the outside in a wiring section of a communication cable, particularly an optical fiber cable (hereinafter referred to as an optical cable) having an optical fiber core, The present invention relates to an optical connector rosette for an optical cable that accommodates and protects the extra length of the optical cable.

Conventionally, when connecting the optical cable having an optical fiber core wire, the pull connection of the optical cable, for cord protection, including a connection between optical cable excess length of a margin to the optical cable in anticipation of failure of connection work There is a need for a cabinet to be a storage box.
For this reason, various storage trays and storage sheets are used for storing and organizing the connection portion after the connection of the core wires and the extra length of the core wires. In particular, when drawing or connecting an optical cable, an optical cable connecting extra length storage case is used to connect the optical cable cores to each other in the optical cable connecting storage case and store the extra length of the optical cable core. ing. In this case, an optical cable lead-in / out part which is a part through which the optical cable is led out / in is connected to the optical fiber core wires drawn out from the optical cable which leads the optical cable out / in from the lead-in / in part or from the optical fiber for branching. 2. Description of the Related Art An optical cable termination cabinet having a connection portion storage portion in which a connection portion is stored and a core wire extra length storage portion that winds and protects and stores the extra length of the connected core wire is known. (See Patent Document 1)

The outline of the optical cable termination cabinet disclosed in Patent Document 1 will be described with reference to FIGS. 1 and 2. The optical cable lead-in wire is introduced into the optical cable connection storage case 4, and the optical cable connection storage case 4 to the building 9. The lead-in optical cable 5 is routed inward. (Figure 1) This case 4 and a base casing 10 and the lid case 50, a cable entry portion 11, 12 to the base case 10, a cable winding and connection portion 13, the connector receiving portion 23 is partitioned and formed Yes. This is the connector housing section 23 the optical connector is accommodated, the optical fiber by the optical connector is connected. Then, the optical fiber cores of the optical cables 3 and 5 are led from the routing groove 17 to the cable winding / connecting portion 13 and connected by the optical connector, and the extra length portion is wound between the cable pressing pieces 15 and 24. It is described to hold. (Figure 2)
Japanese Patent Laid-Open No. 9-236711

  However, these optical cable termination cabinets are considerably improved from the viewpoint of efficiency and cost reduction, but in the field installation work in the hanging line hanging place or in-home drawing place of the optical cable having the optical fiber core wire, There are cases where an optical connector is connected to an optical cable and the optical connector is accommodated, and there are cases where a mechanical splice of an optical fiber core wire or a core wire connection portion of a fusion connection portion is accommodated. It is necessary to efficiently organize and protect either or both of the optical cables, and the conventional storage case cannot meet these requirements, and the core connection process using a special case, cover and sheet When a member is required, there are many assembly parts, the configuration becomes complicated, and the safety of the optical cable, the core wire, and the core wire connection part. If too much work is required for securing and mounting / removing work, there will be problems in terms of workability, handling of the core wire will be troublesome, and if the case is made compact, the internal space will be reduced, so work related to connection and individual work In addition to making wiring arrangement difficult, it is difficult to store the extra length of the core, and the length of the extra length of the core is poor and stress is applied to the core, resulting in optical loss of the core and adversely affecting the transmission characteristics. In addition, there is a problem that the efficiency and efficiency of the core connection work cannot be improved.

The present invention has been made in view of these conventional circumstances, and can efficiently organize and store both the optical cable extra length and the optical cable connection portion in the field installation work of the optical cable, and can safely protect the optical cable. Connection and re-storing work can be easily performed, and the optical cable optical connector can be used properly in the optical cable connection and wiring work, making it easy to handle and replace the optical cable, making it safe and secure. It can be done well and simplifies on-site wiring work, and installation and wiring work with uniform work contents without variations in the connection part of the optical cable can be carried out, so that the reliability can be greatly improved and the work cost can be reduced.
In addition, in the present invention, the optical cable and the extra length of the optical cable can be accommodated in the installation work of the optical cable in the field, so that the optical cable does not sag and the optical fiber is not bent or a small arc is not generated. Loss is lost, transmission characteristics are kept good, safe wiring is possible, and the optical cable and drop cable storage structure is simplified, easy to handle, and easy to store and organize. An object of the present invention is to provide an optical connector rosette that can be safely stored.

Further, according to the present invention, a factory-installed termination cable (an optical cable in which an optical connector is preinstalled at one or both ends of a termination cable of a specified length (a cable cable passed through an optical cable)) and an on-site optical connector In a detached house or an apartment house, a DF pattern (providing an optical fiber core wire from the dedicated dealer station to other business station facilities) and an unbundled pattern (in the dedicated dealer station) are used. Can provide a part of the signal band of the optical fiber core to other business operators), and can be installed on the demarcation point and can be tested at the dedicated contractor station. When storing an optical connector that is a connection part of an optical cable, each optical cable can be handled correspondingly in the field. Easy handling operation, optical cable connection and switch laying, easy handling of each optical cable, safe connection work can be performed efficiently and workability can be greatly improved, and no extra storage member is required, and low cost It can be used as an optical connector rosette for optical cables, and it can be installed and wired with uniform work contents without variations by workers in the field work. The number of man-hours can be reduced and the work cost can be reduced.

In order to solve the above-mentioned problems, an optical connector rosette according to the present invention includes a base member having an optical cable introduction part for introducing an optical cable, an inner member that can be removably inserted into and fixed to the base member, and an attachment / detachment to the inner member. A substantially cylindrical case composed of a cover member that can be freely inserted and fixed, and the inner member includes a connecting portion fixing portion for storing an optical connector to which an optical cable introduced from the optical cable introducing portion is connected, and an optical cable surplus An optical cable processing section comprising an optical cable extra length storage section for winding and storing a length, wherein the inner member is separated on both sides by a partition plate, one of which is an adapter for connecting an optical connector An optical cable treatment that is configured as an optical cable surplus length storage section that can be used to collectively store the optical cable surplus length, with the connecting section fixing section that can be attached. As part, the conjunction with the inner member to rotate in the base member located set for every predetermined angle to be able to convert deploy direction of the optical connector, the inner member the base member which is formed on the locking portion The DF pattern and the unbundled pattern can be installed in a simple manner so as to be detachably fixed to the DF pattern.

A connecting portion fixing portion for storing an optical connector to which an optical cable introduced from the optical cable introducing portion is connected; and a shutter for opening and closing a connecting surface of a connector socket of the optical connector stored in the connecting portion fixing portion. And an optical cable processing section comprising an automatic shielding mechanism comprising a spring for urging the shutter in one direction and an optical cable surplus length storage section for winding and storing the optical cable surplus length, wherein the inner member Is configured to be detachably fixed to a locking portion formed on the base member, and to prevent laser light from leaking, there is no risk of blindness due to laser light, so that it can be used safely.

  Furthermore, the present invention provides an optical cable in which the inner member of the optical connector rosette is provided with a guide wall having an uneven surface in the optical cable path on the connection portion fixing portion side to which the optical connector can be attached, and an insertion opening surface of the optical cable is formed. The side wall of the base member is provided with an optical cable gripping part by pushing in, and a locking piece with a fitting claw protruding from the outer peripheral side edge of the partition plate toward the optical cable extra length storage part side and a guide support piece. The engaging hole and the engaging recess can be engaged with and disengaged from each other, and a locking piece having a fitting claw is provided on the outer peripheral side edge of the partition plate on the connecting portion fixing portion side to engage the cover member. It is characterized in that it can be engaged and disengaged with the mating recess.

  Furthermore, the optical connector rosette of the present invention is characterized in that the inner member has a fitting tube portion that holds the optical cable extra length around a central portion of one side of the partition plate so as to be wound in a loop shape, and an outer periphery of the partition plate. It is preferable that the optical cable extra length storage portion is divided into a substantially cylindrical storage portion that is formed by a locking piece and a guide support piece protruding from the side edge.

The present invention provides an optical connector rosette, the inner member is projected a fitting cylinder consisting of a cylindrical rib for winding the optical cable excess length on one side central portion of the partition plate, the fitting tubular portion A conical head is formed at the tip, and it can be detachably fitted into a fitting tube protruding from the inner surface of the facing base member, and has a structure of an optical cable pinching prevention structure when attached.

  Furthermore, in the optical connector rosette of the present invention, the connection portion fixing portion to which the optical connector of the inner member can be attached is formed of a concave groove into which the flange of the adapter is inserted and fitted, and is disposed facing the opening formed in the cover member. As a configuration, the connector plug can be connected and installed.

The optical connector rosette of the present invention includes a base member having an optical cable introduction part for introducing an optical cable, an inner member that can be detachably fitted to the base member, and a cover member that can be detachably fitted to the inner member. A connecting portion fixing portion for storing an optical connector to which an optical cable entering from an optical cable introduction portion is connected, and an optical cable extra length accommodating portion for winding and accommodating an optical cable extra length. The inner member is separated on both sides by a partition plate , one of which is a connecting portion fixing portion to which an adapter for connecting an optical connector can be attached, and the other is an optical cable surplus length. As the optical cable processing part configured in the optical cable extra length storage part that can be stored, the inner member is placed in the base member. Rotation to be located set for each predetermined angle with to be able to convert deploy direction of the optical connector, as configured for removably securing the inner member to the engaging portion formed on the base member, and DF pattern Because it has a configuration that can be installed easily corresponding to the unbundled pattern, the optical cable connection part and the extra length of the optical cable in the field installation work can be efficiently organized and stored, and can be safely protected. The extra length can be stored well and the optical cable does not sag. The optical fiber core does not cause excessive bending or small arcs, eliminating optical loss and maintaining good transmission characteristics, enabling safe wiring. It is.

  Further, in the optical connector rosette of the present invention, a base member having an optical cable introduction part for introducing an optical cable, an inner member that can be removably inserted into and fixed to the base member, and a removably inserted and fixed to the inner member And a connector for the optical connector stored in the connection portion fixing portion. The connection portion fixing portion stores an optical connector to which an optical cable introduced from the optical cable introduction portion is connected. An optical cable processing unit comprising: a shutter that opens and closes a connection surface of the socket; an automatic shielding mechanism that includes a spring that biases the shutter in one direction; and an optical cable surplus length storage unit that winds and stores the extra length of the optical cable. The inner member is configured to be detachably fixed to a locking portion formed on the base member, and leakage of laser light. In addition to being able to be used safely without the risk of blindness due to laser light, it is possible to select and deploy the inner member when storing the optical connector connected to the optical cable in the base member. In addition, the optical cable can be easily connected or re-stored.

  In addition, the optical connector rosette according to the present invention simplifies the storage structure of the optical cable connecting part and the extra length of the optical cable together with the base member having the optical cable introducing part for introducing the optical cable so that it can be easily handled and stored and organized, and is extremely compact. The connecting part can be stored safely, and the type of use can be selected by the arrangement of the inner member, so that it can be wired in a form that responds to on-site specifications and can be handled in the optical connector closet, and the optical cable can be connected and converted. Can be easily and safely connected efficiently and can greatly improve workability, eliminate the need for extra storage members, and can be used as an optical cable closet for low-cost optical cables. Installation and wiring work with uniform work content without variation by workers at It is possible, it is possible to increase the reliability, it can be smaller man-hour of work attained even a reduction in operating costs.

Further, in the optical connector rosette of the present invention, the entire case is substantially cylindrical, and the inner member is separated on both sides by a circular partition plate, one of which is an adapter or connector socket for connecting an optical connector As the optical cable processing part configured as an optical cable surplus length storage part capable of collectively storing the optical cable surplus length, the inner member is rotated within the base member and positioned at every predetermined angle. By setting it so that the direction of the optical connector can be changed and deployed, it is extremely compact, the optical connector orientation can be set in any direction, and it can easily cope with the installation equipment, and the inner It can contribute to protection of optical cables by deploying a mechanism to prevent the lifting or lifting of members and a mechanism to prevent opening, Optical bar connection work and inspection, confirmation, adjustment, etc. of optical cable can be done very easily and safely by opening the bar member and taking out the inner member, and the optical cable selected as a common base member and cover member Because it uses a processed inner member, the optical cable specifications can be diversified, and the optical cable surplus length can be handled and stored with a sufficient radius of curvature, so the optical cable surplus length can be accommodated with flexibility. Does not adversely affect transmission characteristics.

Moreover, in the present invention that there is a connection portion and a light cable section of the optical cable excess length to different surfaces after cord connection, to be well optical cable excess length accommodating fits, even there is room in the winding housing The optical cable does not sag, and the optical cable core is not excessively bent, and an arc-shaped portion with a small radius of curvature is not generated, and can be stored safely. Furthermore, the optical cable and the connecting portion housed individually inner member, to organize in the base member by paying into the case, to update or exchange of connection work and the inner member can be easily taken out of any optical cable, connected Thus, the handling characteristics for the re-storing work can be improved, and the connecting portion can be easily readjusted and repaired, so that the workability can be greatly improved.

  Further, according to the present invention, the optical cable processing and the access pattern selection processing can be performed using the inner member, so that the wiring can be neatly organized, and the optical cable is led out to the optical connector rosette when the optical cable is branched or pulled in. The access to the optical cable connection portion can be simplified due to the freedom of insertion, and management and assembly / disassembly operations can be easily performed, and high reliability can be obtained by storing the optical cable connection portion and storing the extra length of the optical cable.

To illustrate embodiments of the present invention with reference to the drawings, optical cable optical connector rosette in the example of FIGS. 1 to 5 (unbundling pattern), the optical cable inlet section 1 ₁ for example indoor cables introducing optical cable a is introduced a base member 1 with the optical cable inlet portion 1 ₁ consisting of the insertion groove, an inner member 2 which can be detachably fitted挿固wear to the base member 1, a cover member 3 which can be detachably fitted挿固wear the inner member 2 from consist configured casing 4, the inner member 2 is connected portion fixing portion 5 for accommodating the SC connector b of the optical connector connecting the optical cable a to be introduced from the optical cable inlet portion 1 _1, for example, optical cable SC connector b A connecting portion fixing portion 5 for connecting an end portion to which an optical connector is attached via an adapter c, and an optical case for winding and storing an optical cable extra length. Be one obtained by the optical cable unit and a bull excess length storage section 6, the inner member 2 are separated on either side by a partition plate, the connecting portion fixed to the one that can attach the adapter c for connection of the optical connector The inner member 2 is rotated within the base member 1 and set at a predetermined angle as an optical cable processing portion configured as an optical cable surplus length storage portion 6 that can be collectively stored with an optical cable surplus length. converting mechanism to be able to convert deploy direction of the optical connector, it is constituted for detachably securing the inner member 2 to the locking piece 2 ₂ said base member engagement portion 1 ₂ is formed in one by. (FIGS. 1 and 2)

The case 4 is formed into a generally cylindrical shape by a synthetic resin material or the like, but the base member 1 is formed into a cylindrical casing having a substantially cylindrical shape and a peripheral side wall having an open front surface, and an inner surface of the peripheral side wall. open the appropriate intervals and a locking portion 1 ₂ and the fitting recess 1 ₃ each other to form a plurality, to allow mounting the engaging piece 2 ₂ and the guide support pieces 2 ₃ of the inner member 2, the further locking the tool insertion hole 1 ₄ penetrating in and out to the peripheral side wall also serves as a part 1 ₂ together provide a plurality, a fitting cylinder 1 ₅ for挿固wearing fitting the inner member 2 to the inner surface central portion of the base member 1 Projected.
Further, the base member 1 is projected a fitting cylinder 1 ₅ in the center portion of the bottom wall inner surface as shown in FIG. 3 as the inner member 2 can be fitted and supported, the mounting is further provided on the bottom wall surface The hole 15 is used by being attached to a wall surface by a fixing screw 16.
Incidentally, the inner member 2 and the optical connector, and an optical cable excess length accommodating processing SC connectors b or site with connector b ₁ connecting the optical cable a and the optical cable a, the base member 1 to the formed locking portion 1 to allow anchoring to _2, further Yes to help protect the optical cable covered with a cover member 3 to the inner member 2, also, the tool insertion hole 1 ₄ penetrating the inside and outside peripheral side wall communicating with the engaging portion 1 ₂ driver removed from the locking portion 1 ₂ and push the locking piece 2 ₂ by inserting a tool such as is used an inner member 2 incorporated in the base member 1 in order to easily removed from the base member 1.

As shown in FIGS. 3 and 5, the inner member 2 has one of both side surfaces of the circular partition plate as a connecting portion fixing portion 5 to which an adapter c for connecting an SC connector b can be attached, and the other as an optical cable extra length. As an optical cable processing unit configured in an optical cable surplus length storage unit 6 that can collectively store the optical cable, the direction of the optical connector of the SC connector b is determined by rotating the inner member 2 within the base member 1 and setting the position at every predetermined angle. Can be converted and deployed.
Then, the connecting portion fixing portion 5 side, the guide wall 2 ₄ having an irregular surface to the optical cable passageway opposite upright formed insertion opening surface of the optical cable, the optical cable gripping portion 7 that can cable pushing, cable and provided with a guide rib 8 which fitted supporting the cover member 3, projecting locking portion 2 ₁ with a fitting hole to the outer peripheral edge of the partition plate of the inner member 2, the engaging claw of the cover member 3 It has a configuration which can be engaged and disengaged in part 3 _1. Further, in the optical cable excess length accommodating portion 6 side of the inner member 2, and projecting pairs toward deploying and locking piece 2 ₂ and the guide support piece 2 ₃ with the fitting hole to the outer peripheral edge of said base member side wall a structure that can be engaged and disengaged in a locking portion 1 ₂ and the fitting recess 1 ₃ with a locking protrusion formed on, further erected the fitting cylinder 2 ₅ in the central portion of the partition plate of the inner member 2 and form that can fit connected to fitting cylinder 1 ₅ of the base member 1 has a configuration that can be used as a wound portion of the optical cable excess length.
In this case, by forming a conical head at the tip portion of the fitting tubular portion 1 ₅ and fitting cylinder 2 _5, facing the base member 1 and the fitting tube portions projecting from the inner surface of the inner member 2 It is preferable to adopt a structure for preventing the optical cable from being caught when the lens is mounted.

The said optical cable gripping unit 7, the bulging portion for preventing leakage uneven portion or the cable in the guide wall 2 ₄ provided further provided guide ribs 8 along the cable insertion direction prevent edge leakage cable, to ensure gripping of the optical cable Therefore, it is preferable to form a partition so that the optical cable does not sag. Furthermore the base member 1 includes a connecting portion fixing portion 5 for accommodating the optical connector of the optical cable inlet section 1 SC connector b which connect the optical cable to enter from _1, the optical cable excess length storage section 6 for storing wound optical cable excess length The inner member 2 can be attached to and detached from, for example, a fitting claw for fitting, a fitting hole, or a latching portion on the concave and convex portions so that the inner member 2 can be attached and detached with one touch. The prevention function can also be achieved.

In addition, the inner member 2 includes a fitting cylinder portion ₂₅ formed of a cylindrical rib that holds an optical cable extra length around a central portion of one side of the partition plate and is wound in a loop shape, and an outer peripheral side edge of the partition plate. so well, wound optical cable excess length is given to a form configured in the housing portion of the substantially circular which partitions the optical cable excess length accommodating portion 6 by the engaging piece 2 ₂ and the guide support piece 2 ₃ projecting from the and a conical head formed on the distal end portion of the fitting tubular portion 2 _5, can freely fitted removably to said base member fitting tube 1 ₅ projecting from the inner surface of one of facing, when mounted in the cable catch prevention It is preferable to have a structure, and the optical cable is separated and stored, the bending of the optical cable from the optical cable lead-in / out part is minimal, and twisting when storing the core wire can be prevented, and high reliability can be obtained with safe and high-density storage. It is better to do so.
Further, the connecting portion fixing portion 5 to which the optical connector of the SC connector b of the inner member 2 can be attached is composed of a housing portion including a concave groove 9 into which the flange of the adapter c is inserted and fitted, and the opening formed in the cover member 3 part 3 and ₂ in the face by being deployed configuration, contributing to the protection of the optical cable to allow connection establishment of the connector plug d.

As described above, the entire case 4 including the inner member 2 is formed in a substantially cylindrical shape, which can facilitate the optical cable wiring process in the optical connector rosette, and the inner member 2 is formed in a cylindrical shape. Therefore, the optical cable surplus length accommodating portion 6 is designed so that the optical cable a can be wound and held in a smoothly curved loop shape so that transmission characteristics are not adversely affected. For example, the inner member (2) to interior maneuverability as the optical cable to secure the allowable minimum radius of curvature, housing can, if for example different connection portions S C connector b or optical connectors such as onsite with connector b ₁ It is possible to store the optical cable extra length and the connecting portion in a collective manner.

Further, in the embodiment shown in FIGS. 6 to 10 (DF pattern), the base member 1 and the cover member 3 is used in common ones precedent equivalent configurations, as the inner member 2, the optical cable inlet portion 11 ₁ A connecting portion fixing portion 5 for storing the optical connector of the on-site connector b ₁ to which the optical cable a to be introduced is connected, and a connector socket of the optical connector stored in the connecting portion fixing portion 5, for example, a connection surface of the connector plug c ₁ An optical cable processing unit including an automatic shielding mechanism 12 including a shutter 10 that opens and closes, a spring 11 that biases the shutter 10 in one direction, and an optical cable surplus storage unit 6 that winds and stores the optical cable surplus length. It is those using the ones, the inner member 2 fixed detachably to the engaging portion formed on the base over scan member 1, detachable cover member 3 to the inner member 2 Is configured to be secured to the stationary, are so it can be safely used without the risk of blindness by a laser beam by the leakage prevention of the laser beam.

In this case, the shutter 10 is pivotally attached to the partition plate by the pivot 13 and pivots so as to open and close the connection surface of the connector plug c ₁ of the optical connector housed in the connection portion fixing portion 5. 11 can be automatically shielded. The urging spring 11 is preferably pivoted about the pivot shaft 13 so that both ends of the urging spring 11 are latched by the shutter 10 and the support portion 14 so that the shutter 10 is urged in one direction.

Further, the inner member 2 used in this embodiment is built in the base member 1 and has a fitting fixing portion 9 having a fitting groove 9 into which the flange of the connector bracket c ₁ of the field-attached connector b ₁ can be inserted on the surface. And an accommodating portion in which an optical cable surplus length accommodating portion 6 that is provided with the fitting cylinder portion ₂₅ and that can be accommodated while ensuring an allowable minimum curvature radius of the optical cable a is formed on the back side of the connecting portion fixing portion 5; It is good to do.
In this case, the in the inner member 2, the curvature radius circle of the optical cable a large diameter lead so that it becomes two positions or more locking portions 2 ₂ and the guide support pieces 1 ₃ around the fitting tube 2 ₅ It is preferable that the optical cable a be routed and held by arranging it in an arc shape with an interval, or a partition rib is attached.
In addition, as examples of the connecting portion fixing portion 5 in the inner member 2, it can be deployed and optical cable excess length accommodating such indoor cable, optical cable processing unit which is adapted to house the scene with connector b ₁ of the optical connector Consideration should be given to a form that simplifies handling.

  The cover body 3 is attached to and detached from the inner member 2, but it may be fitted and covered with the base member 1 of the case 4, and the cover member 3 is covered and the closed state can be maintained. In particular, in the closed state, the base member 1 is provided with an engagement uneven portion that functions to prevent the cover from being opened, and an inclined surface portion that serves as a cover lifting prevention mechanism, and is locked at each position to cover the base member 1. Without detaching the member 3, the optical cable termination can be securely stored and protected including the protection of the optical cable, and can be used as an optical connector rosette for dustproof, waterproof and crime prevention. As for mounting, it can be attached and detached with one touch without using screws.

In the optical connector rosette according to this embodiment includes a case for accommodating the optical connector of the SC connector b of the optical cable a, in the case of accommodating the scene with connector b ₁ of the optical connector of the optical cable a, the base member 1 The inner member 2 is replaced and used. For example, when connecting an indoor cable and a drop cable, the optical cable processing is performed by attaching the optical connector of the SC connector b or the on-site connector b ₁ to the connection portion fixing portion 5 in the form of FIG. 1 or FIG. Used as a part.
For example, as shown FIG 11, in advance of the base member 1 in advance is attached depending on the fixing screw 16 to the wall, the optical cable a introduced from the cable introducing portion 1 ₁ of the base member 1 in the required cable length, the cable end Connect the optical connector of SC connector b or on-site connector b ₁ type, store and mount the optical connector in the connecting portion fixing portion 5 of the inner member 2, and hold the optical cable a with a finger and hold it on the cable gripping portion 7. To do.

Next, the optical cable a is turned around the back surface of the connecting portion fixing portion 5, the optical cable surplus length is wound around the fitting cylinder portion ₂₅ of the inner member 2, and the extra length processing is performed. the part 2 ₅ fitted into the fitting tube 1 ₅ of the base member 1, mounting the inner member 2 to the base member 1. At this time, since the orientation of the optical connector of the SC connector b or the on-site connector b ₁ type can be set at an arbitrary angle, for example, every 45 degrees, it is preferable that the orientation of the optical connector is appropriately adjusted and fixed. .
Then, the covered with a cover member 3 to the inner member 2 attached to hold by fitting the engaging portions 2 ₁ and the engaging claw portion 3 ₁ which corresponds, opening of the cover member 3 is connected attached to the base member 1 3 ₂ types of optical connectors SC connectors b or field with the connector b ₁ is disposed, the SC connector b or field with the connector b ₁ connector connected to the optical connector in the factory with termination cable plug d is connected connected Can be used as an optical connector rosette.

In this case, as shown in FIG. 12, in this optical connector rosette, a drop cable C branched from a closure B of an outdoor overhead cable A is connected to an optical connector cabinet D provided in a detached house or an apartment house. After that, it is connected as an indoor cable to a case 4 of an optical connector rosette provided in a detached house or an apartment house, and is connected to an ONU device E with a built-in filter in the house and used as a DF pattern or an unbundled pattern. if derive the indoor cable from the optical cable inlet portion 1 ₁ of the base member 1, debit wiring easily processed, cable switching, to be able to conveniently also the wiring processing operations such as replacement, the wiring processing workability Can be improved.
Further, in this embodiment, by connecting the optical cable a to the optical cable inlet section 1 ₁ the introduction of the base member 1 to the optical connector in the field with the connector b _1, housed and held by fitting the optical connector to the connecting portion fixing portion 5 It is possible to connect the connector plug d of the factory-installed termination cable to the connector adapter c ₁ of the field-installed connector b ₁ and perform effective cable processing at the site.

The optical connector rosette in the one use condition of the Example of this invention is shown, (a) is the perspective view of the isolation | separation state, (b) is a front view of the inner member. The assembled state of the example of FIG. 1 is shown, (a) is its front view, and (b) is its side view. The base member used by the example of FIG. 1 is shown, (a) is the front view, (b) is the top view, (c) is the longitudinal cross-sectional view. 1 shows an inner member used in the example of FIG. 1, (a) is a front view thereof, (b) is a left side view thereof, (c) is a plan view thereof, and (d) is a longitudinal sectional view taken along line XX. is there. The inner member of the example of FIG. 4 is shown, (a) is the back view, (b) is the top view. The optical connector rosette in one use condition of the other example of the Example of this invention is shown, (a) is the perspective view of the isolation | separation state, (b) is a front view of the inner member. The assembled state of the example of FIG. 6 is shown, (a) is the front view, (b) is the side view. The state which removed the shutter with the inner member used by the example of FIG. 7 is shown, (a) is the front view, (b) is the top view, (c) is the longitudinal cross-sectional view in the YY line. The inner member used by the example of FIG. 7 is shown, (a) is the front view, (b) is the right view, (c) is the bottom view. The inner member used by the example of FIG. 9 is shown, (a) is the back view, (b) is the right view. 6 shows a wiring assembly state used in the example of FIG. 6, (a) is a separated perspective view of the optical cable connected state, (b) is a separated perspective view of the optical cable extra length accommodation state, and (c) is the optical cable extra length accommodation. It is a back side perspective view of a state. It is the example of system explanatory drawing of the one use state using the Example of this invention, (a) is an example applied to a detached house, (b) is an example applied to an apartment house.

a Optical cable
b SC connector
b _{1 On-} site connector
c Adapter
c ₁ connector adapter
d Connector plug
1 Base member
1 ₁ Optical cable introduction part
1 ₂ Locking part
1 ₃ fitting recess
1 ₄ Tool insertion hole
1 ₅ fitting tube
2 Inner material
2 ₁ Locking part
2 ₂ locking pieces
2 ₃ Guide support piece
2 ₄ guide walls
2 ₅ fitting cylinder
3 Cover members
3 ₁ engaging claw
3 ₂ openings
4 cases
5 connection portion fixing portion
6 Optical cable extra length storage section 7 Optical cable gripping section
8 Guide rib
9 groove
10 Shutter
11 Biasing spring
12 Automatic shielding mechanism
13 Axis
14 Section
15 Mounting hole
16 Fixing screw
A Overhead cable
B closure
C drop cable
D Optical connector cabinet
E Equipment

Claims (6)

A substantially cylindrical shape comprising a base member having an optical cable introduction part for introducing an optical cable, an inner member that can be removably inserted into and fixed to the base member, and a cover member that can be removably inserted into and fixed to the inner member The inner member includes a connecting portion fixing portion for storing an optical connector to which an optical cable introduced from the optical cable introducing portion is connected, and an optical cable extra length accommodating portion for winding and accommodating the extra length of the optical cable. be one obtained by the cable processing unit, wherein the inner member is separated on either side by a partition plate, and while the connecting portion fixing part can be attached to the adapter for connection of the optical connector, the other optical cable excess length As an optical cable processing part configured as an optical cable surplus length storage part that can be collectively stored, the inner member is rotated within the base member. And position setting for each angle with that enable and convert deploy direction of the optical connector, the optical connector rosette, characterized in that the inner member is secured detachably to the engaging portion formed on the base member.   The optical connector rosette according to claim 1, wherein the inner member has a guide wall having a concavo-convex surface facing the cable passage on the connecting portion fixing portion side to which the optical connector can be attached, and an optical cable insertion opening surface is formed. An optical connector rosette comprising an optical cable gripping part by pushing.   3. The optical connector rosette according to claim 2, wherein the inner member includes a locking piece having a fitting claw projecting from the outer peripheral side edge of the partition plate toward the optical cable extra length storage portion and a guide support piece. The engagement hole recessed in the side wall of the base member and the engagement recess can be engaged and disengaged, and a locking piece having a fitting claw is provided on the outer peripheral side edge of the partition plate on the connection portion fixing portion side. The optical connector rosette is configured to be able to be engaged with and disengaged from the engaging recess of the cover member.   The optical connector rosette according to claim 2 or 3, wherein the inner member includes a fitting cylinder portion that holds the optical cable extra length around the central portion of one side of the partition plate, wound in a loop shape, and held therein. 1. An optical connector rosette comprising a substantially circular storage section in which an optical cable surplus length storage section is defined by a locking piece and a guide support piece protruding from an outer peripheral side edge of a plate.   5. The optical connector rosette according to claim 2, 3, or 4, wherein the inner member protrudes from a fitting cylindrical portion made of a cylindrical rib that winds the extra length of optical fiber around a central portion on one side of the partition plate. In addition, a conical head is formed at the front end of the fitting cylinder part, and the fitting cylinder part protruding from the inner surface of the facing base member can be detachably fitted, so that the optical cable can be prevented from being caught when attached. An optical connector rosette characterized by having a configuration.   In the optical connector rosette according to claim 2, claim 3, claim 4 or claim 5, the connecting portion fixing portion to which the optical connector of the inner member can be mounted is a concave groove into which the flange of the adapter is inserted and fitted, An optical connector rosette characterized in that a connector plug can be connected and installed as a configuration arranged facing an opening formed in the cover member.

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