JP2007086180A - Termination cabinet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a termination cabinet which is compact and in which, even when an interval exists between one cable installation work and the other, no foreign object enters from the introducing/drawing port of the other cable. <P>SOLUTION: A connector housing part 6 for housing a pair of connectors 3, 4 to be joined to each other is formed nearly in the same size as the pair of connectors 3, 4. The cable introducing/drawing port 25 in communication with the connector housing part 6 is initially structured sealed by the end wall 25b of an introducing/drawing section integrated with the cabinet main body 7. Then, when a cable is inserted, this end wall 25b is cut off to open the port 25, making the cable insertable. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a termination cabinet for connector-connecting, for example, a drop cable introduced from an outdoor side and an indoor cable introduced from a house side.

In recent years, FTTH services for drawing optical cables into houses and apartments and connecting them to devices have rapidly spread.
Under the spread of such FTTH service, as a cable connection structure when drawing an optical cable from outside into a house, a termination cabinet is installed under the eaves of the house and the drop cable is drawn from the outside to the house. There has been proposed a cable connection structure for connecting a connector of an indoor cable connected to a device in a house in a termination cabinet.

  And as said termination | terminus cabinet, the cabinet main body in which the cable accommodating part which opened | released the surface side was formed, and the cover body which covers the open surface of a cable accommodating part, The extra length of a drop cable is provided in a cable accommodating part. What equipped with the 1st surplus length storage part to store, the 2nd surplus length storage part which stores the surplus length of an indoor cable, and the adapter support part to which the adapter which connects the termination parts of each cable with a connector is attached It has been proposed (see, for example, Patent Documents 1 and 2).

  In addition, the conventional termination cabinet of this type is equipped with a mounting member having a mounting hole for screwing to the wall surface on the cabinet body on the premise that the cabinet is fixed to a wall surface such as under a house eaves. .

JP 2003-139966 A JP 2003-143291 A

However, since the conventional termination cabinet attached to the wall surface of a house damages the wall surface of a house by screwing or the like, the homeowner sometimes refrains from installing the termination cabinet.
In addition, the conventional termination cabinet is equipped with an extra length accommodating part that accommodates the extra length of each cable, so that the cabinet becomes larger, and when it is installed on the wall surface of the house, it is noticeable that the appearance of the house is impaired. I was asked.
In order to increase the demand for FTTH services, it is important to resolve such deficiencies. For example, it is not conspicuous even if installed, and it is downsized to the extent that the appearance of the house is not damaged, and the wall surface of the house is damaged. It will be important in the future to make it possible to install without any problems.

Furthermore, in the construction work of the optical cable to the termination cabinet, the outdoor construction operator who pulls the drop cable from the outdoor aerial optical closure etc. to the termination cabinet, and the indoor equipment from the equipment in the house to the termination cabinet. In some cases, the premises construction company that routes the cable is different, and in such a case, the laying date of the drop cable and the laying date of the indoor cable are often different.
However, in the case of the conventional termination cabinet, when the cable is inserted through the cable lead-in inlet provided in the cabinet body, the sealing member provided at the cable lead-out inlet is in close contact with the outer periphery of the cable and is sealed liquid-tightly. Even if there is a seal member, it is in an unprotected open state before the cable is inserted.
Therefore, if the installation work of one cable is finished due to a shift in the construction date, etc. and it is left for a long time until the installation work date of the other cable, the cabinet body from the cable lead-out entrance for the other cable in the open state There was a possibility that foreign matters such as raindrops, moisture, dust and the like would enter the cable housing portion inside and contaminate the inside.

  The object of the present invention is compact, can be installed without damaging the appearance of the house even if installed, and without damaging the wall surface of the house. Furthermore, from the construction of one cable to the construction of the other cable An object of the present invention is to provide a termination cabinet in which foreign matter does not enter from the cable lead-in entrance for the other cable even if there is a gap between them, and the inside is not soiled.

  In order to achieve the above object, the termination cabinet according to claim 1 of the present invention includes a cabinet main body formed with the connector housing portion open on the surface side, and a lid that covers the open surface of the connector housing portion. A termination cabinet for connecting connectors between optical cables drawn into the connector housing portion, wherein the connector housing portion is formed in a size substantially coincident with a pair of connectors connected to each other, The cable lead-in entrance for allowing the optical cable to pass through the connector housing portion is initially sealed by a lead-out entrance end wall formed integrally with the cabinet body, and the lead-out entrance end wall is cut off when the cable is inserted. Thus, the cable is opened so that the cable can be inserted therethrough.

  The termination cabinet according to a second aspect of the present invention is the termination cabinet according to the first aspect, wherein the cabinet body and the lid body are vertically attached to the suspension line and bound to the suspension line. And the connector housing portion is maintained in a state of being covered with a lid.

  The termination cabinet according to a third aspect of the present invention is the termination cabinet according to the first or second aspect, wherein a plurality of protrusions for restricting the axial movement of the cable connected to the connector are provided in the connector housing portion. It is provided.

  A termination cabinet according to a fourth aspect of the present invention is the termination cabinet according to any one of the first to third aspects, wherein the termination cabinet has a suspension guide groove that allows the suspension line to be inserted into an outer surface of the cabinet body. The suspension line guide groove is provided with a plurality of protrusions for restricting movement of the suspension line in the axial direction.

  The termination cabinet according to claim 5 according to the present invention is the termination cabinet according to any one of claims 1 to 4, wherein the cabinet body surrounds the periphery of the connector housing portion. Is provided, and when the lid is closed, a peripheral edge thereof is in close contact with the sealing material.

According to the termination cabinet according to the present invention, the connector accommodating portion equipped in the cabinet body is substantially the same size as the pair of connectors connected to each other, and does not include an extra volume such as the extra length accommodating portion. It becomes compact and does not impair the appearance of the house even if installed.
In addition, the cable lead-in entrance is opened for the first time by cutting the lead-out entrance end wall at the time of cable insertion, so even if there is a gap between one cable laying work and the other cable laying work, The cable lead-in entrance for the other cable can be kept sealed by the lead-out entrance end wall, and foreign matter does not enter from the cable lead-in entrance for the other cable and the inside is not soiled.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of a termination cabinet according to the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a state in which a lid of an embodiment of a termination cabinet according to the present invention is opened, and FIG. 2 houses a termination connector of one cable from the state shown in FIG. 3 is a perspective view of the state, FIG. 3 is a perspective view of a state in which one of the connectors is disposed in the connector housing portion, the lid is closed and attached to the hanging line, FIG. 4 is a cross-sectional view taken along line AA in FIG. FIG. 6 is a perspective view of a state where one cable has been laid and bound and fixed to a hanging wire with a binding band. FIG. 6 is a perspective view of a state in which each cable is introduced into a connector housing portion and the cables are connected to each other by a connector. 7 is a perspective view of a state in which the termination cabinet in which the respective cables are introduced into the connector housing portion is bound and fixed to the suspension line.

  As shown in FIG. 6, the termination cabinet 1 of this embodiment is a cabinet in which a connector housing portion 6 that houses a pair of termination connectors 3 and 4 that are connected to each other is open. The main body 7 and a lid body 9 that covers the open surface of the connector housing portion 6 are provided, and an indoor portion that is pulled into the connector housing portion 6 from the termination side of the drop cable 11 that is pulled into the connector housing portion 6 from the outdoor side and the house side. The cable 13 is connected to the terminal end of the cable 13 through the adapter 14 in the connector housing 6.

As shown in FIGS. 1 and 2, the cabinet body 7 is configured as an integrally molded product of resin, and seals so as to surround the entire periphery of the partition wall 21 that defines the connector housing portion 6 that is open on the surface side. A groove-like space 23 into which 22 is inserted is formed.
The connector accommodating portion 6 has a central portion serving as a mounting space 6c for the adapter 14 that interconnects the terminating connectors 3 and 4 of the cables 11 and 13, and both ends of the mounting space 6c for the adapter 14 are connected to each end. Spaces 6a and 6b for accommodating the end connectors 3 and 4 are formed. These spaces 6a and 6b are formed to have a size substantially coincident with the termination connectors 3 and 4 accommodated therein. That is, the connector housing portion 6 is formed in a shape that substantially matches the size of the single adapter 14 and the pair of termination connectors 3 and 4.

  A cable lead-in inlet 25 through which a cable to be connected is inserted is integrally formed on both end outer walls 7a and 7b of the cabinet body 7 facing the connector housing 6 in the longitudinal direction. Further, a protrusion 27 for restricting the axial movement of the cable connected to each of the termination connectors 3 and 4 is provided on the partition wall 21 at a position facing the cable outlet 25 of the partition wall 21 that defines the connector housing portion 6. It is provided at a plurality of continuous locations.

  The cable lead-in entrance 25 has a passage shape with an open surface, and is formed integrally with the outer walls 7a and 7b of the cabinet body 7 and a passage when the lid body 9 is closed by protruding from both ends of the lid body 9. It is comprised from the channel | path part cover 31 which covers the open surface of the part 25a, and the lead-in / out part end wall 25b integrally formed in the front-end | tip of the channel | path part 25a.

As shown in FIG. 2, a pair of bent walls 25c that narrow the opening are disposed opposite to each other at the distal end of the passage portion 25a. The pair of bent walls 25c loosely clamps a cable that passes through the passage portion 25a. Reduce the gap in the insertion part.
The lead-in / out-portion end wall 25b integrally formed at the distal end of the passage portion 25a covers the distal end of the cable passage formed in a cylindrical shape by the passage portion 25a and the passage portion cover 31, and seals the cable passage.

  That is, the cable lead-in inlet 25 of the present embodiment is initially formed in a structure sealed by a lead-in / in part end wall 25b formed integrally with the cabinet body 7, and the lead-in / out part is cut by a cutting tool such as a nipper when the cable is inserted. By cutting off the end wall 25b as shown on one end side (the right side in the figure) of FIG.

  The protrusion 27 abuts the inner surface of the pair of opposed pieces 27 a extending from the ends of the partition wall 21 so as to sandwich the inserted cable from both sides, and a protrusion 27 b that abuts the outer periphery of the cable and restricts the axial movement of the cable. It is equipped with.

As the sealing material 22 inserted into the groove-like space 23 around the connector housing portion 6, a material having a high compression rate such as sponge rubber is employed.
When the lid body 9 is closed, as shown in FIG. 4, the protrusion 33 formed in an annular shape along the peripheral edge portion of the lid body 9 is brought into close contact with the seal material 22, and the periphery of the connector housing portion 6 is liquidated. Seal tightly.

The lid body 9 is formed integrally with the cabinet body 7, and as shown in FIGS. 1 and 2, the lid body 9 is attached to the cabinet body 7 via a thin flexible hinge 34 at the upper edge along the longitudinal direction of the cabinet body 7. It is connected to open and close.
In addition, a positioning pin 36 that fits into a positioning hole 35 provided on the cabinet body 7 side projects from the peripheral edge of the lid body 9 that covers the cabinet body 7 on the opposite edge to the flexible hinge 34. Has been.
When the lid body 9 is closed, the positioning pins 36 are fitted into the positioning holes 35 of the cabinet body 7, so that the lid body 9 and the cabinet body 7 can be abutted accurately.

In the case of the present embodiment, as shown in FIGS. 3 and 5, band hanging grooves 39 for positioning the binding band 38 are formed on the outer surfaces of the cabinet body 7 and the lid body 9 at both ends in the longitudinal direction. Yes.
Further, a suspension guide groove 43 into which the suspension line 41 is interrupted when vertically attached to the suspension line 41 connected to the house from an imaginary optical cable connection closure or the like is formed on the outer surface of the cabinet body 7. In the suspension line guide groove 43, projections 45 are provided at a plurality of locations so as to abut against the interrupted suspension line 41 and restrict relative movement in the axial direction.
As shown in FIG. 5, the termination cabinet 1 of the present embodiment is fixed to the suspension line 41 by being vertically attached to the suspension line 41 and being bound together with the suspension line 41 by a binding band 38. The connector housing portion 6 is maintained in a state covered with the lid body 9.

  As shown in FIG. 2, the above termination cabinet 1 has completed the installation of one of the cables when the installation of one of the cables has been completed and the period until the installation of the other cable is available. In the state, the lid body 9 is closed and, as shown in FIG. 5, the lid body 9 is vertically attached to the suspension line 41 stretched outside the house and fixed to the suspension line 41 by binding with a binding band 38. In this state, of course, in the cable lead-in inlet 25 on the side where the cable is not inserted, the lead-out portion end wall 25b is not cut off and the passage portion 25a is sealed.

When laying the other cable that has been waiting, the binding band 38 is cut, the termination cabinet 1 is removed from the suspension line 41, the lid body 9 is opened, and the remaining lead-out entrance end wall 25b is removed. After cutting and opening the closed cable lead-in inlet 25, the connector of the other cable is connected to the adapter 14 in the connector housing 6.
At this time, when the construction contractor is different for each cable, the adapter 14 provided in the central portion of the connector housing 6 serves as a boundary for clearly dividing the responsibility sharing between the two contractors.

  Then, when the connector connection of the other cable is completed, the lid 9 is closed again, and as shown in FIG. The connector connection with the tip of the cable 13 is completed.

According to the termination cabinet 1 of this Embodiment demonstrated above, the empty space of the connector accommodating part 6 with which the cabinet main body 7 is equipped is the magnitude | size which substantially corresponded with a pair of connectors 3 and 4 connected mutually, Since it does not include an extra volume such as an extra length accommodating portion, it becomes compact and does not impair the appearance of the house even if it is installed.
Further, since the cable lead-in entrance 25 is opened for the first time by cutting out the lead-out entrance end wall 25b when the cable is inserted, there is a gap between the construction of one cable and the construction of the other cable. However, the cable lead-in inlet 25 for the other cable can be kept sealed by the lead-out inlet end wall 25b, and foreign matter does not enter from the cable lead-in inlet 25 to contaminate the inside.

Moreover, according to the termination cabinet 1 of this Embodiment, since the attachment of a cabinet binds and fixes to the hanging wire 41, it can install without damaging the wall surface of a house.
In addition, if the cable to be led out is loosened with respect to the suspension line 41 in order to be fixed to the suspension line 41, the cable is not subjected to an external tensile load, and the cable is prevented from being damaged by the tensile load. can do.
Moreover, if the protrusion 45 which contact | abuts the suspension line 41 and controls the axial shift | offset | difference with the suspension line 41 is equipped in the suspension line guide groove 43 of the outer surface of the cabinet main body 7 like the said embodiment, a binding band will be provided. The fixing strength by 38 can be improved.

  Moreover, according to the termination cabinet 1 of this Embodiment, the cables 11 and 13 connected to the connectors 3 and 4 accommodated in the connector accommodating part 6 are by the protrusion 27 equipped in the multiple places of the connector accommodating part 6. FIG. Since the movement in the cable axis direction is restricted, the tension acting on the cables 11 and 13 does not act on the connecting portions in the connectors 3 and 4, and the connection reliability between the connectors 3 and 4 is improved. The tensile strength required for 3 and 4 can be relaxed, and the cost can be reduced.

Moreover, according to the termination | terminus cabinet 1 of this Embodiment, when the cover body 9 is closed, the peripheral part of the cover body 9 closely_contact | adheres to the sealing material 22, and the circumference | surroundings of the connector accommodating part 6 of the cabinet main body 7 are sealed. Therefore, excellent waterproof properties can be obtained.
As described in the above embodiment, the sealing material 22 is made of sponge rubber or the like having a high compression rate, so that the binding force required when closing the lid 9 can be reduced, and the workability can be reduced. Can be improved.

It is a perspective view in the state where the lid of one embodiment of the termination cabinet concerning the present invention was opened. It is a perspective view of the state which accommodated the termination connector of one cable in the connector accommodating part from the state shown in FIG. It is a perspective view of the state where a lid is closed in the state where one connector is arranged in a connector accommodating part, and it attaches to a hanging line to bind. It is AA sectional drawing of FIG. It is a perspective view of the state which finished the laying work of one cable, and was bound and fixed to the hanging line with the binding band. It is a perspective view of the state where each cable was introduced into the connector housing portion and the cables were connected to each other by a connector. It is a perspective view of the state where the termination cabinet in which each cable was introduced into the connector accommodating part was bound and fixed to the hanging line.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Termination cabinet 3, 4 Termination connector 6 Connector accommodating part 7 Cabinet main body 9 Cover body 11 Drop cable (optical cable)
13 Indoor cable (optical cable)
DESCRIPTION OF SYMBOLS 21 Partition 22 Sealing material 23 Groove-like space 25 Cable lead-in entrance 25a Passage part 25b Lead-out entrance part end wall 27 Projection 27a Opposing piece 27b Projection 31 Passage part cover 33 Projection 34 Flexible hinge 35 Positioning hole 36 Positioning pin 38 Binding band 39 Band Hanging groove 41 Hanging line 43 Hanging line guide groove

Claims (5)

A termination cabinet comprising a cabinet body formed in a form in which a connector housing portion is opened on the front surface side, and a lid that covers an open surface of the connector housing portion, and connecting optical cables drawn into the connector housing portion to each other by connectors. Because
The connector accommodating portion is formed in a size substantially coincident with a pair of connectors connected to each other,
The cable lead-in entrance for inserting the optical cable into the connector housing is initially structured to be sealed by a lead-out entrance end wall formed integrally with the cabinet body, and the lead-out entrance end wall is cut off when the cable is inserted. Thus, the termination cabinet is characterized in that the cable is opened so that the cable can be inserted therethrough.   The cabinet body and the lid body are vertically attached to the suspension line and bound to the suspension line so that the cabinet body and the lid body are fixed to the suspension line and the connector housing portion is maintained in a state covered with the lid body. The termination cabinet according to claim 1.   The termination cabinet according to claim 1 or 2, wherein a plurality of protrusions for restricting axial movement of the cable connected to the connector are provided in the connector housing portion.   2. The suspension line guide groove for interrupting the suspension line on an outer surface of the cabinet body, and a plurality of protrusions for restricting movement of the suspension line in the axial direction are provided in the suspension line guide groove. The termination cabinet of any one of 3.   The said cabinet main body is equipped with the sealing material so that the circumference | surroundings of the said connector accommodating part may be enclosed, and when the said cover body closes, the peripheral part closely_contact | adheres to the said sealing material, The 1-4 characterized by the above-mentioned. Termination cabinet of any one of.

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