JP4933872B2 - Optical connector case - Google Patents

Abstract

The utility model provides an optical fiber splicing box. The optical fiber splicing box can protect a connecting part between optical fiber connectors which are respectively arranged on optical cables, and can be arranged at positions such as indoor wall corners and so on. The optical fiber splicing box (10) receives an upstream side optical fiber connector (20a) arranged on an upstream side optical cable (11a) and a downstream side optical fiber connector (20b) arranged on a downstream side optical cable (11b) in a contraposition connection state, and is provided with a base (30) and a cover body (40) which receive the whole upstream side optical fiber connector and downstream side optical fiber connector, the base is provided with a linear slender plate shape along the upstream side optical fiber connector and the downstream side optical fiber connector which are in a connection state, at least the upper surface (31a) and the lower surface (31b) of a base part (31) are flat, the upper surface (31a) of the base part (31) is taken as a part for configuring the upstream side optical fiber connector (20a) and the downstream side optical fiber connector (20b).

Description

  The present invention relates to an optical connector case for protecting an optical connector attached to one optical cable and an optical connector attached to the other optical cable in a connected state.

  In recent years, the demand for high-speed data communication has been increasing due to the rapid spread of the Internet, and the service of FTTH (Fiber To The Home) that installs an optical fiber to each home is expanding. Therefore, it is expected that an optical cable is wired even in a general household. For example, the indoor optical cable on the upstream side branched from the trunk optical cable and drawn into the door is routed along the wall surface in the door, and connected to the optical cable on the optical communication equipment side (downstream side) in the door Things have been done.

In such a connection location, an optical connector rosette (see, for example, Patent Document 1) that houses an optical connector on one side and an extra length is known as a member that protects a connection portion between optical connectors.
The protective member described in Patent Document 1 is a disk-shaped case, and includes a casing constituted by a base and a cover, and an inker member therein, and includes one side optical connector and the other side optical connector. Can be accommodated in a state where the extra length of the optical connector connecting portion and the optical cable are wound. In addition, this protective member has a shutter function for blocking leaked light as the one-side optical connector.

Japanese Patent Laying-Open No. 2006-98610 (FIG. 1)

However, since the protective member described in Patent Document 1 has a disk shape, the width and the like are larger than those of the optical connector. For this reason, when wiring in a door, it is difficult to install a narrow part such as a wall, and the installation part is restricted.
Further, since the other side (downstream side) optical connector is exposed, the connection portion cannot be completely protected, and there is a possibility that the connection quality may be deteriorated due to external factors such as user contact. It was.

  SUMMARY OF THE INVENTION An object of the present invention is to provide an optical connector case that can protect a connection portion between optical connectors mounted on optical cables, and can be installed on a wall in a door.

  The optical connector case according to the present invention that can solve the above-described problems is obtained by connecting the one-side optical connector attached to the one-side optical cable and the other-side optical connector attached to the other-side optical cable to face each other. An optical connector case accommodated in a state, comprising a base and a cover for accommodating the entire one side optical connector and the other side optical connector, wherein the base is connected to the one side optical connector and the It has a linear elongated plate shape along the other side optical connector, and at least a portion where the one side optical connector and the other side optical connector are arranged and its back surface are flat.

  In the optical connector case according to the present invention, the cover includes a one-side cover that is a portion that covers the one-side optical connector and a second-side cover that is a portion that covers the other-side optical connector, and the one-side cover It is preferable that at least one of the other side cover is openable and closable with respect to the base.

  The optical connector case which concerns on this invention WHEREIN: It is preferable that the said cover is rotatably supported by the said base so that the opening part side of the edge part which lets the said optical cable pass may open and close.

  In the optical connector case according to the present invention, the cover has a center cover that covers a connection portion that connects the one-side optical connector and the other-side connector, and the center cover, the one-side cover, And it is preferable that the said other side cover is attached.

  The optical connector case which concerns on this invention WHEREIN: It is preferable that the opening part of the both ends which let the said optical cable pass is a rectangular shape.

  In the optical connector case according to the present invention, it is preferable that a bending restricting portion for restricting bending of the optical cable by contacting the optical cable at two or more locations in the length direction is provided near both ends through which the optical cable passes. .

  The optical connector case which concerns on this invention WHEREIN: It is preferable that the adapter which connects the said one side optical connector and the said other side optical connector is attached to the said base.

  In the optical connector case according to the present invention, it is preferable that a light shielding shutter is provided inside the optical connector case.

  The optical connector case which concerns on this invention WHEREIN: It is preferable to have a dustproof cover which covers the opening part of the said adapter in the unattached state of the said one side optical connector or the said other side optical connector inside the said cover.

  In the optical connector case according to the present invention, it is preferable that, in a state where the base and the cover are combined, the optical connector case is formed so that there are no openings other than the openings at both ends through which the optical cable passes.

  In the optical connector case according to the present invention, it is preferable that gripping claws for gripping the optical cable are provided in the vicinity of both ends through which the optical cable passes.

  According to the present invention, the one-side optical connector attached to the one-side optical cable and the other-side optical connector attached to the other-side optical cable are connected to face each other by the base and the cover. The entire connector and the other optical connector can be accommodated. Therefore, both the optical connectors on one side and the other side can be reliably protected. The base has a flat elongated plate shape along the one side optical connector and the other side optical connector in a connected state, with the back surface of at least the portion where the one side optical connector and the other side optical connector are arranged being flat. Therefore, when the optical cable is wired, the optical cable can be installed so as to be in close contact with a corner portion such as a wall. Moreover, since the part which arrange | positions one side optical connector and the other side optical connector is flat, it is easy to pick the optical connector on a base, and the workability | operativity which attaches / detaches an optical connector is favorable.

Hereinafter, an example of an embodiment of an optical connector case concerning the present invention is described in detail based on a drawing.
1 is a perspective view showing an optical connector case of the present embodiment, FIG. 2 is a perspective view showing a base of the optical connector case, FIG. 3 is a plan view of each base shown in FIG. 2, and FIG. FIG. 5 is a partial plan view of the base showing the bending restricting portion, FIG. 6 is a perspective view of the optical connector cover, and FIG. 7 is each plan view of the optical connector cover shown in FIG. 8 is a side view showing a dust cover provided on the optical connector cover, FIG. 9 is a perspective view of the center cover, FIG. 10 is a plan view of the center cover shown in FIG. 9, and FIG. FIG. 12 is a plan view showing a state in which the optical connector cover is opened, and FIG. 13 is a perspective view showing a wiring example of an optical cable with an optical connector case attached.

  As shown in FIG. 1, the optical connector case 10 of this embodiment includes an upstream optical connector (attached to an upstream (one side) optical cable 11a branched from a trunk optical cable and drawn into the door. One side optical connector) 20a (see FIG. 12) and a downstream side optical connector (the other side optical connector) 20b attached to the downstream (the other side) optical cable 11b connected to the optical communication device in the door (see FIG. 12) 12) and a cover 40 that covers the upper surface of the base 30 and accommodates the optical connectors 20a and 20b between the base 30 and the base 30. As the optical connectors 20a and 20b, field-installed SC connectors (see FIGS. 11 and 12) can be suitably used.

  The cover 40 has a center cover 41 in the center of the optical connector in the front-rear direction of the optical axis (left-right direction in FIG. 1), and upstream and downstream optical connector covers (one-side cover) 42 and downstream optical connectors, respectively. A cover (other side cover) 43 is provided. The optical connectors 20a and 20b are connected at a location surrounded by the base 30 and the center cover 41.

  As shown in FIGS. 2 and 3, the base 30 has a base portion 31 having a linear elongated plate shape along the optical connectors 20a and 20b in a connected state. A plurality (two in this embodiment) of screw holes 31c for fixing to the surface are provided. Since the upper surface 31a of the base part 31 is formed flat and the part on which the optical connectors 20a and 20b are placed becomes flat, it is easy to pick the optical connectors 20a and 20b with fingers and move them in the front-rear direction. Good detachability workability. Moreover, since the lower surface 31b of the base part 31 is also flat, it can be placed in close contact with the floor 13 and the wall 14 during wiring (see FIG. 13).

  An adapter clamping portion 32 for fixing the adapter 21 (see FIG. 11) on the base 30 is provided on the upper surface 31 a in the axial center of the base portion 31. The adapter sandwiching portion 32 has a pair of sandwiching walls 33 and 33 that are erected vertically upward from the upper surface 31 a of the base portion 31 at the outer edge in the width direction of the base portion 31 and face each other. The clamping wall 33 is formed to be slightly longer than the length of the adapter 21 in the axial direction, and the upstream optical connector cover 42 is rotatably supported on the upper outer surface near the front end portions of both the clamping walls 33 and 33. Support protrusions 34a are provided so as to protrude outward.

  Similarly, cylindrical support protrusions 34b for rotatably supporting the downstream optical connector cover 43 are provided on the outer sides of the upper ends of the sandwiching walls 33 and 33 near the rear ends. Protrusively provided. Furthermore, a concave portion 33a corresponding to the size of the center cover 41, which will be described later, is provided in the center portion of the outer surface of both the sandwiching walls 33, 33 so that the center cover 41 is positioned. Locking projections 35 for fixing the center cover 41 are provided on the recesses 33a so as to protrude outward. The locking projection 35 has a wedge shape in which the amount of protrusion gradually increases from the upper end to the lower end, and can be easily achieved by sliding the center cover 41 downward from above according to the recess 33a. It can be attached and fixed.

  Further, end blocks 36 and 36 divided into left and right are provided at both front and rear ends of the upper surface 31a of the base portion 31, and a gap through which the optical cables 11a and 11b pass is provided between the left and right end blocks 36 and 36. Is provided. Also, there is a locking portion 36a that extends the outer surface of each end block 36 forward and backward and holds the open / close end closed when the upstream optical connector cover 42 and the downstream optical connector cover 43 are closed. Is provided.

  As shown in FIG. 4, it is desirable to provide gripping claws 36c that dig into the outer cover and press the optical cables 11a and 11b by press-fitting the optical cables 11a and 11b on the inner surface 36b facing the end block 36. As a result, the optical cables 11a and 11b can be positioned and fixed between the opposing gripping claws 36c, and when the tensile force acts on the optical cables 11a and 11b, the force is prevented from acting on the connecting portion and is protected. can do.

Further, the end block 36 and the locking portion 36a function as a bending restricting portion that restricts the bending radius of the optical cables 11a and 11b so as not to bend smaller than the allowable bending radius of the optical fiber 15 (see FIG. 11B). . As shown in FIG. 5, the end block 36 and the locking portion 36 a are in contact with the optical cables 11 a and 11 b when the optical cables 11 a and 11 b are bent, respectively. The contact part of a part is provided and it can regulate so that the optical cables 11a and 11b may not bend at an acute angle. In addition to the end block 36 and the locking portion 36a, the open / close ends of the optical connector covers 42 and 43 abut on the optical cables 11a and 11b at substantially the same location as the locking portion 36a. , 43 come into contact with the optical cables 11a, 11b at positions closer to the optical connectors 20a, 20b than the end block 36, and these also function as bending restricting portions.
Thus, when a lateral force of the optical connector case 10 acts on the optical cables 11a and 11b, the optical cables 11a and 11b are prevented from being bent below a predetermined bending radius, and the optical fiber 15 in the optical cables 11a and 11b is damaged or transmitted. An increase in bending loss of light can be prevented.

  6 and 7 show the upstream optical connector cover 42 and the downstream optical connector cover 43. The optical connector covers 42 and 43 have the same structure, and one upstream optical connector cover 42 (hereinafter referred to as “optical connector cover 42”) will be described. As shown in FIG. 6, the optical connector cover 42 is composed of left and right side walls 42a, 42b and a top plate 42c, has a U-shaped cross section, and accommodates the optical connector 20a in the internal space. Therefore, when the optical connector cover 42 is closed, the opening 10a (see FIG. 1) at the end defined together with the base 30 has a substantially rectangular shape, so that the optical cable 11a and the like are protected in a wired state. Therefore, it is easy to accommodate and connect a general molding 12 (see FIG. 1) without any gaps, and it is possible to perform wiring considering aesthetics.

  As shown in FIGS. 6 and 7A, both side walls 42a and 42b protrude from the top plate 42c on the center side (center cover 41 side) of the optical connector case 10, and the above-described base is formed on the protruding portion. Support holes 44 into which the support protrusions 34a provided on the 30 adapter holding portions 32 are rotatably fitted are provided. Thereby, the optical connector cover 42 opens and closes the front and rear end portions (opening portion 10a side) with the support protrusion 34a (34b) at the end portion on the center portion side as the rotation axis. Further, since the space 42e in which the top plate 42c is shorter than the side walls 42a and 42b is provided, it is possible to prevent interference with the center cover 41 when the optical connector cover 42 is opened and closed.

  In addition, engaging portions 36a provided at both front and rear end portions of the base 30 are fitted to the lower portions of the open / close side end portions (upstream end portions, that is, left end portions in FIG. 6) of the side walls 42a and 42b. A notch 45 is provided. Therefore, the cover 42 can be locked in a closed state by closing the cover 42 and fitting the engaging portion 36a into the notch 45. Further, as shown in FIG. 7C, a partition plate 48 is provided in the vicinity of the opening / closing side (right side in FIG. 7C) end portion of the optical connector cover 42, and a lower portion of the partition plate 48 is provided. A cutout 48a through which the optical cable 11a can pass is provided in the center.

  Thereby, since the optical connector cover 43 on the downstream side can be opened and closed with respect to the base 30, it is easy for the user to attach and detach the optical connector 20b, and the operability is improved. Further, since the upstream optical connector cover 42 can be similarly opened and closed with respect to the base 30, it is easy to perform maintenance work such as investigation and repair at the time of failure.

  As shown in FIG. 7C, reinforcing ribs 42d are provided at predetermined intervals on the inner surface of the top plate 42c of the optical connector cover 42, so that the top plate 42c is prevented from being deformed even when an external force is applied. It is possible to protect the optical connector 20a housed in the housing. As shown in FIG. 8, a dustproof lid 47 is provided inside the top plate 42c. The dust cover 47 is integrally formed on the inner surface of the top plate 42c via the thin portion 47a so as to be rotatable, and when the optical connector cover 42 is opened upward or when the optical connector 20a is not accommodated. Is at a position perpendicular to the top plate 42 c of the optical connector cover 42.

  Accordingly, when the optical connector cover 42 is closed in a state where the optical connector 20a is not accommodated and the connector is not attached, the dustproof lid 47 blocks the inside of the optical connector case 10 and covers at least the opening of the adapter 21. It is possible to prevent dust and the like from entering.

  On the other hand, when the optical connector 20a is accommodated, when the optical connector cover 42 is closed downward, the tip of the dust-proof lid 47 contacts the optical connector 20a, and the dust-proof lid 47 rotates in the direction of the top plate 42c. Will be stored.

  Note that the dustproof lid 47 may be formed separately from the top plate 42c and pivotally supported by a pin so as to be pivotable. Further, the optical connector cover 42 may be biased in the closing direction by a winding spring or the like.

  The center cover 41 is shown in FIGS. The center cover 41 covers and protects the adapter 21 fixed by the adapter holding portion 32 of the base 30. The center cover 41 has a top plate 41a having an arcuate cross section curved in a gently convex shape, and arms 41b extending downward from the left and right outer edges of the top plate 41a. Reinforcing ribs 41c are provided on the inner surface of the top plate 41a at predetermined intervals (see FIG. 10C) to prevent deformation and protect the adapter 21 accommodated therein. Further, a locking hole 46 penetrating in a rectangular shape is provided in the center of the arm 41b so that the locking projection 35 provided in the adapter holding portion 32 of the base 30 is fitted and locked. Further, taper 48a and stepped portion 48b are cut out at both front and rear edges of the top surface of the top plate 41a. When the optical connector cover 42 is opened and closed, the top plate 42c of the optical connector cover 42 is replaced with the top plate of the center cover 41. In addition to preventing interference with 41a, there is no gap between it and the center cover 41 in the closed state. This prevents dust and the like from entering the optical connector case 10 from between the center cover 41 and the optical connector cover 42.

  Therefore, when the center cover 41 is put on the adapter holding portion 32 of the base 30 from above and the arm 41b is pushed downward along the outer side surface of the concave portion 33a of the holding wall 33, the locking projection 35 follows the inclination. The arm 41b is lowered while being spread outward. Then, the engagement protrusion 35 is fitted into the engagement hole 46 of the arm 41b, so that the center cover 41 can be fixed to the base 30 and the adapter 21 can be prevented from falling off.

  Thus, the optical connector case 10 has a four-part structure of the base 30, the upstream optical connector cover 42, the center cover 41, and the downstream optical connector cover 43. For this reason, the center cover 41 can be detached independently while preventing the adapter 21 from dropping off, and the upstream optical connector cover 42 and the downstream optical connector cover 43 connect the upstream optical connector 20a and the downstream optical connector 20b. Since each can be protected and opened and closed individually, workability and maintainability are good. In addition, since no gap is provided between the covers 41, 42, and 43, dustproofness can be improved.

11A to 11C show a state in which the upstream optical connector 20a and the downstream optical connector 20b are connected in the optical connector case 10. FIG. The optical connector case 10 is symmetrical in the longitudinal direction of the optical axis of the optical connector with the center cover 41 as the center. In the figure, the right side (downstream side) from the center is a sectional view and the left side (upstream side) from the center is the external appearance. The figure is shown.
The adapter 21 is attached between the holding walls 33, 33 of the adapter holding portion 32 provided in the center of the base 30, and the adapter 21 is attached to the optical cable 11b on the downstream side from the right side in the figure. The optical connector 20b is connected. The optical cable 11b connected to the optical connector 20b is led out from the rear end of the optical connector 20b and goes out of the optical connector case 10 from between a pair of left and right end blocks 36 provided near the end of the base 30. Wiring is performed in a state protected by the molding 12.

  At this time, when the optical cable 20b is bent and wired immediately after coming out of the optical connector case 10, it comes out from between the pair of end blocks 36 and 36 and comes into contact with the tip of the side wall 42a of the optical connector cover 42 to be bent. There is a case. In such a case, bending below the allowable bending radius is prevented by the partition plate 48 of the optical connector cover 42, which is a bending restricting portion, the end block 36, the side walls 42a, and the tips (opening / closing ends) of the locking portions 36a. Therefore, the optical cable 11b can be protected.

  As the adapter 21, it is desirable to use an adapter having a light shielding shutter (not shown) inside. As a result, even if one of the optical connectors 20a and 20b is removed when the optical connectors 20a and 20b connected to the adapter 21 pass through, the light-shielding shutter prevents light from leaking out of the adapter. Can be secured.

  12A to 12E show a state in which the optical connector covers 42 and 43 are opened. As shown in FIG. 12, the optical connector covers 42 and 43 are rotatably supported by the base 30 so that the opening 10a side can be opened and closed. Therefore, even after the optical connector case 10 is installed at the corner of the wall surface, the optical connector can be easily attached and detached without hindering the opening / closing operation of the optical connector covers 42 and 43. Moreover, even if the optical connector covers 42 and 43 are opened at the time of connection work, since the cover does not fall off, workability is good.

FIG. 13 shows an example in which the optical connector case 10 is installed and the optical cables 20a and 20b are wired.
As described above, the cross section of the optical connector case 10 has an elongated plate shape with a flat bottom surface (base 30) and a straight line shape along the wiring direction of the optical cables 11a and 11b. As described above, wiring can be performed in a state in which the floor 13 and the wall 14 are in close contact with the corners and the like. In addition, since the center cover 41 and the optical connector covers 42 and 43 are assembled to the base 30 with no gap so that there is no opening other than the opening 10a with the optical connector case 10 installed, the dust-proof property is good. It is. Furthermore, since the cross section of the opening 10a is rectangular, it can be connected to a general molding 12 having a rectangular cross section without a gap, and the wiring state is good from the viewpoint of appearance and dust prevention.

  Further, since the optical connector covers 42 and 43 protecting the optical connectors 20a and 20b are largely opened and closed on the opening 10a side, the optical connector 20a can be easily attached and detached, and the workability is good. . Further, since the upper surface 31a of the base portion 31 on which the optical connectors 20a and 20b are placed is flat and the adapter 21 is fixed to the base 30, the optical connectors 20a and 20b can be easily picked up and moved in the front-rear direction. It is easy to attach and detach.

  In the above embodiment, the adapter 21 is provided in the center of the base 30 and the optical connectors 20a and 20b are connected from both sides of the adapter 21, but the optical receptacle is provided without providing the adapter 21. The present invention can also be applied when connecting an optical connector provided. In this case, it is not necessary to provide the center cover 41 at the center of the optical connector case 10.

  In the above embodiment, both the upstream optical connector cover 42 and the downstream optical connector cover 43 can be opened and closed independently. However, the upstream optical connector cover 42 and the downstream optical connector cover 43 Only one of them may be openable and closable.

  Further, the light shielding shutter provided in the adapter 21 may be provided in a member other than the adapter 21. For example, the upper surface 31 a of the base 30, the inner side of the upstream optical connector cover 42 and the downstream optical connector cover 43. Etc., as long as it is provided at any location inside the optical connector case.

  The optical connector case 10 can be installed not only horizontally as shown in FIG. 13 but also vertically along the wall surface. Further, when the optical connector case 10 is bonded with a double-sided tape or the like instead of screwing, or placed on the floor surface, the screw hole 31c may not be provided.

  Further, as the optical connector used in the optical connector case of the present invention, various types of connectors such as LC connector, MU connector, etc. are used in addition to the externally gripping SC connector shown in FIG. 11 and FIG. it can. In addition, the optical cable to be wired has an indoor optical fiber having a rectangular cross section in which an optical fiber core and a tensile wire are coated with resin, and a circular cross section in which a tensile fiber is disposed around the optical fiber core and further coated with a resin. Various optical cables for indoor wiring, such as an optical cable in the form of an optical cord, can be used.

It is a perspective view which shows the example of embodiment which concerns on the optical connector case of this invention. It is a perspective view which shows the base of the optical connector case shown in FIG. FIG. 3 is a plan view of the base shown in FIG. 2, (A) is a plan view of the base, (B) is a side view of the base, (C) is a bottom view of the base, and (D) is an end view of the base. . It is a fragmentary top view of the base which shows the holding nail which holds an optical cable. It is a partial top view of the base which shows a bending control part. It is a perspective view which shows the optical connector cover of the optical connector case shown in FIG. 7A is a plan view of the optical connector cover, FIG. 6B is a side view of the optical connector cover, FIG. 7C is a bottom view of the optical connector cover, and FIG. ) And (E) are end views of the optical connector cover. It is a side view which shows the dustproof cover provided in the optical connector cover. It is a perspective view which shows the center cover of the optical connector case shown in FIG. It is each top view of the center cover shown in FIG. 9, (A) is a top view of a base, (B) is a side view of a center cover, (C) is a bottom view of a center cover, (D) is a center cover. It is an end view. (A) is a plan view of a partial cross section showing a connection state, (B) is a side view of a partial cross section showing a connection state, and (C) is a bottom view. It is each top view which shows the state which opened the optical connector cover, (A) is a top view which shows the state which opened the optical connector cover, (B) is a side view which shows the state which opened the optical connector cover, (C) Is a bottom view, and (D) and (E) are end views. It is a perspective view which shows the example of wiring of the optical cable which attached the optical connector case.

Explanation of symbols

10 optical connector case 10a, 10b opening 11a upstream (one side) optical cable 11b downstream (other side) optical cable 20a upstream optical connector (one side optical connector)
20b Downstream optical connector (the other optical connector)
21 Adapter 30 Base 31 Base portion 31a Upper surface of base portion 31b Lower surface of base portion 36c Grip claw 40 Cover 41 Center cover 42 Upstream optical connector cover (one side cover)
43 Optical connector cover on the downstream side (cover on the other side)
47 Dust-proof lid

Claims (9)

An optical connector case that accommodates the one side optical connector attached to the one side optical cable and the other side optical connector attached to the other side optical cable while facing each other,
A base and a cover for accommodating the entire one side optical connector and the other side optical connector;
The base has a linear elongated plate shape along the one side optical connector and the other side optical connector in a connected state, and at least a portion where the one side optical connector and the other side optical connector are arranged and its back surface is Ri flat der,
The cover is a portion that covers the one-side optical connector, a center cover that covers a connection portion that connects the one-side optical connector and the other-side connector, and the other that is a portion that covers the other-side optical connector. And having a side cover, along the longitudinal direction of the base, arranged in a row in the order of the one side cover, the center cover, the other side cover,
The center cover, the one side cover, and the other side cover are attached to the base,
The one side cover and the other side cover are pivoted upward with respect to the base with the center cover side as an axis, respectively, and from the opened state toward the base with the center cover side as an axis, respectively. An optical connector case that can be rotated and closed . The optical connector case according to claim 1,
The optical connector case, wherein the cover is rotatably supported by the base so that an opening side of an end portion through which the optical cable passes is opened and closed . The optical connector case according to claim 1 or 2 ,
An optical connector case, wherein openings at both ends for passing the optical cable are rectangular . An optical connector case according to any one of claims 1 to 3 ,
An optical connector case characterized in that a bend restricting portion is provided in the vicinity of both ends through which the optical cable is passed to be in contact with two or more portions in the length direction with respect to the optical cable to restrict bending of the optical cable . An optical connector case according to any one of claims 1 to 4,
The optical connector case according to claim 1, wherein an adapter for connecting the one side optical connector and the other side optical connector is attached to the base . The optical connector case according to claim 5 ,
An optical connector case comprising a light-shielding shutter inside the optical connector case. The optical connector case according to claim 5 or 6 ,
An optical connector case having a dustproof cover for covering the opening of the adapter when the one side optical connector or the other side optical connector is not attached to the inside of the cover . An optical connector case according to any one of claims 1 to 7 ,
An optical connector case, wherein the base and the cover are combined so that there are no openings other than openings at both ends through which the optical cable passes . An optical connector case according to any one of claims 1 to 8 ,
An optical connector case comprising gripping claws for gripping the optical cable in the vicinity of both ends through which the optical cable passes .

Images