JP2005056687A - Trunk cable - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a trunk cable capable of providing sufficient connection strength even when a plurality of the trunk cables are connected, allowing an electric phase to be easily confirmed, and capable of preventing incorrect connection. <P>SOLUTION: This trunk cable comprises: a cable formed in a length capable of being wired in about three floors; a plurality of branch wires branched so as to supply electricity to the respective floors of the cable; a female connector comprising a female connector body mounted on an upper part of the cable and having a contact inside, a screw part formed in a peripheral part at a tip of the female connector body, and a confirmation part formed at a rear end of the screw part and allowing positioning confirmation and electric phase identification; and a male connector comprising a male connector body mounted on a lower part of the cable and having a contact piece connected to the contact of the female connector, a hexagon cap nut rotatably mounted so as to cover the male connector body and screwed into the female connector, and a set screw for fixing the hexagon cap nut to the male connector body when a tip of the hexagon cap nut is positioned at the confirmation part of the female connector. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a trunk cable that is installed in a building such as a high-rise building having five or more floors and supplies electricity to each floor.

  A conventional trunk cable is a cable formed in a length of a plurality of floors, a connection connector attached to the lower end portion of the cable, a connection connector attached to the upper end portion of the cable, and a branch wiring for each floor wiring It consists of and.

Therefore, since the connection of the trunk cable is only performed by the connection connectors at the upper and lower ends, when connecting a plurality of trunk cables as in a high-rise building or the like, there is a drawback that the strength of the connection portion cannot be obtained sufficiently. At the same time, it was difficult to confirm the electrical phase of three or more trunk cables, which was troublesome.
JP-A-11-69574

  In view of the conventional drawbacks as described above, the present invention can provide sufficient connection strength even when a plurality of trunk cables are connected, can easily confirm the phase of electricity, and can prevent erroneous connections. The purpose is to provide a cable.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, the present invention provides a cable formed in a length that can be wired to about three floors, a plurality of branch wirings that are branched so that electricity can be supplied to each floor of the cable, and the cable. A female connector main body having contacts inside or attached to the upper or lower portion of the female connector body, a screw portion formed on the outer periphery of the tip of the female connector main body, positioning confirmation formed on the rear end portion of the screw portion, and A male connector main body having a female connector comprising a confirmation portion capable of confirming electrical phase identification, and a contact piece connected to a contact of the female connector attached to the lower or upper portion of the cable, and this male connector A cap nut that is rotatably mounted so as to cover the main body and is screwed with the female connector, and the tip of the cap nut is screwed to the confirmation portion of the female connector. The trunk cable is composed of a male connector composed of a set screw for fixing the cap nut to the male connector body.

  As is clear from the above description, the present invention has the following effects.

(1) A cable formed in a length that can be wired to about three floors, a plurality of branch wirings branched so that electricity can be supplied to each floor of the cable, and attached to the upper or lower part of the cable A female connector body having contacts inside, a thread formed on the outer periphery of the tip of the female connector body, positioning confirmation formed on the rear end of the thread, and confirmation of electrical phase identification A male connector body having a female connector comprising a confirmation portion capable of being connected, a contact piece connected to a contact of the female connector attached to the lower or upper portion of the cable, and rotatable so as to cover the male connector body The attached cap nut to be screwed with the female connector, and when the tip of the cap nut is screwed to the confirmation portion of the female connector, the cap nut is connected to the male connector. Since it is composed of set screws that are fixed to the main body, the male connector and female connector can be connected with sufficient strength by screwing the screw portion of the female connector with the cap nut of the male connector and the set screw. it can.
Therefore, even if a plurality of high-rise buildings are connected, it is possible to reliably prevent a problem that the connection is disconnected.

(2) According to the above (1), the screwing of the cap nut to the threaded portion of the female connector is surely optimal by screwing and fixing the set screw when the tip of the cap nut is positioned at the confirmation portion. Can be fixed in the state.
Therefore, anyone can perform the connection work accurately.

(3) According to (1), it is possible to identify the electrical phase of the cable connected by the confirmation unit.
Therefore, erroneous wiring can be efficiently prevented.

(4) In claim 2, the same effects as in the above (1) to (3) can be obtained.

  Hereinafter, the present invention will be described in detail from the best mode for carrying out the present invention shown in the drawings.

  In the first preferred embodiment for carrying out the present invention shown in FIGS. 1 to 7, 1 is a book that can be wired on 2 to 5 floors, and in the first preferred embodiment for carrying out the present invention, it can be wired on about 3 floors. In the trunk cable of the invention, the trunk cable 1 has a length 2 that can be wired to about three floors, and a sheath 3 that is branched so that electricity can be supplied to each floor of the cable 2 at the factory. A plurality of removed, connected and insulated treatments with the mold 4, in the embodiment of the present invention, three branch wires 5, 5, 5, and the upper or lower portion of the cable 2, in the embodiment of the present invention, the upper conductor 6 and a male connector 8 attached to the conductor 6 below the cable 2.

As shown in FIGS. 3 and 5, the female connector 7 has a conductor insertion hole 9 that is caulked and fixed to the conductor 6 in the upper part of the cable 2 and a contact 10 that is provided at the other end. The female connector main body 12 in which the hole 11 is formed, the screw portion 13 formed on the outer peripheral portion of the connection hole 11 of the female connector main body 12, and the positioning confirmation formed on the rear end portion of the screw portion 13 can be confirmed. In addition, a concave portion 14 capable of confirming the phase identification of electricity is formed, and a confirmation portion 16 to which a color 15 for color identification is applied is formed.
In addition, although what demonstrated the phase identification of electricity with the color was demonstrated, you may perform not only this but with a symbol.

  As shown in FIGS. 2 and 4, the male connector 8 has a conductor insertion hole 17 formed in one end portion thereof that is caulked and fixed to the conductor 6 in the lower portion of the cable 2, and a connection hole for the female connector 7 in the other end portion. 11 and a male connector main body 19 having a contact piece 18 connected to the contact 10 and a screw of the female connector 7 rotatably attached so as to cover the contact piece 18 of the male connector main body 19 The cap nut 20 that is screwed to the portion 13 and the cap nut 20 that fixes the cap nut 20 to the male connector body 19 when the tip of the cap nut 20 is screwed to the confirmation portion 16 of the female connector 7. It is comprised by the set screw 22 screwed together with the formed screw hole 21.

The trunk cables 1 having the above-described configuration are wired in a state where at least two or more are connected in parallel, and the electrical connection is identified by the color of the confirmation portion 16 for the connection between the female connector 7 and the male connector 8 during the wiring. And confirming that the cap nut 20 and the screw portion 13 are screwed together and that the tip end portion of the cap nut 20 is positioned at the check portion 16, and the cap nut 20 and the male connector main body are set with the set screw 22. 19 is fixed, and then insulation treatment is performed on both ends of the male connector 8, the female connector 7 and the cable 2 by a mold 23, a wiring tube, a tape 24, and the like.
[Different forms for carrying out the invention]

  Next, different modes for carrying out the present invention shown in FIGS. 8 to 13 will be described. In the description of these different modes for carrying out the present invention, the same components as those in the best mode for carrying out the present invention are designated by the same reference numerals and redundant description is omitted. To do.

  The second embodiment for carrying out the present invention shown in FIGS. 8 to 10 is mainly different from the best first embodiment for carrying out the present invention in that the male connector main body 19 has an electrical phase identification. The first preferred embodiment for carrying out the present invention is the trunk cable 1A configured as described above in that the male connector 8A coated with the color 15 for color identification for confirming the above is used. The same operational effects as those described above can be obtained, and the electrical phase identification can be easily confirmed and the connection can be made.

  The third embodiment for carrying out the present invention shown in FIGS. 11 to 13 is mainly different from the best first embodiment for carrying out the present invention in that electricity is supplied to each floor of the cable 2. Female connectors 26, 26, which can be fixedly connected to the male connectors 25, 25, 25 attached to the ends of the branch wirings 5 A, 5 A, 5 A so that they can be attached / detached or inserted into the locking mechanism. 26, the main cable 1B to which the female connectors 26, 26, 26 are attached in this way can obtain the same operational effects as those of the first preferred embodiment for carrying out the present invention. Since the trunk cable 1B can be installed without the branch wirings 5A, 5A, and 5A, the wiring work can be performed more easily.

  The present invention is used in an industry for manufacturing a trunk cable and an industry for installing the trunk cable.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram of the best first embodiment for carrying out the present invention. The front view of the lower part of the best 1st form for implementing this invention. The top view of the upper part of the best 1st form for implementing this invention. The sectional view of the lower part of the best 1st form for carrying out the present invention. 1 is a cross-sectional view of an upper portion of a best first embodiment for carrying out the present invention. The front view of the connection state of the best 1st form for implementing this invention. Sectional drawing of the state which insulated the connection part of the best 1st form for implementing this invention. Explanatory drawing of the 2nd form for implementing this invention. The front view of the lower part of the 2nd form for implementing this invention. The principal part expansion explanatory view of FIG. The front view of the 3rd form for carrying out the present invention. The side view of the 3rd form for carrying out the present invention. FIG. 13 is an enlarged sectional view taken along line 13-13 in FIG.

Explanation of symbols

1, 1A, 1B: trunk cable,
2: cable, 3: sheath,
4: Mold, 5, 5A: Branch wiring,
6: conductor, 7: female connector,
8, 8A: Male connector, 9: Conductor insertion hole,
10: contact, 11: connection hole,
12: Female connector body, 13: Screw part,
14: recess, 15: color for color identification,
16: Confirmation part, 17: Conductor insertion hole,
18: contact piece, 19: male connector body,
20: cap nut, 21: screw hole,
22: Set screw, 23: Mold,
24: Insulating tube or tape,
25: Male connector, 26: Female connector.

Claims (2)

A cable formed to a length that can be routed to about 3 floors, a plurality of branch wires branched to supply electricity to each floor of this cable, and the inside attached to the upper or lower part of the cable A female connector main body having a child, a thread formed on the outer periphery of the front end of the female connector main body, confirmation of positioning formed on the rear end of the threaded section, and confirmation of electrical phase identification A male connector main body having a female connector comprising a contact portion and a contact piece connected to a contact of the female connector attached to the lower or upper portion of the cable, and rotatably attached so as to cover the male connector main body A cap nut screwed to the female connector, and when the tip end of the cap nut is screwed to the confirmation portion of the female connector, the cap nut is attached to the male connector body. A trunk cable comprising a male connector composed of a set screw to be fixed. A cable formed in a length that can be wired to about three floors, a branch wiring connector that can connect a plurality of branch wirings branched so that electricity can be supplied to each floor of the cable, and the cable A female connector body having a contact in the upper part or the lower part, a screw part formed on the outer periphery of the tip of the female connector body, positioning confirmation formed on the rear end part of the screw part, and electrical A male connector body having a female connector comprising a confirmation portion capable of confirming the phase identification of the cable, and a contact piece attached to the lower or upper portion of the cable and connected to the contact of the female connector, and the male connector A cap nut that is rotatably attached to cover the main body and is screwed with the female connector, and a tip end portion of the cap nut is screwed into the confirmation portion of the female connector. A trunk cable comprising a male connector including a set screw for fixing the cap nut to the male connector body.

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