JPH0411347Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention generally relates to connectors, and in particular, for example, a substantially flat under-carpet cable that is wired under an indoor carpet that is spread on the floor of an office. This invention relates to a connector suitable for connection to.

BACKGROUND TECHNOLOGY In general, when supplying drive power to various office automation equipment (hereinafter simply referred to as "OA equipment") such as personal computers and word processors used in offices, so-called A flat cable called a carpet cable is used. The undercarpet cable is installed under an indoor carpet that is laid on the floor of an office or the like, and the undercarpet cable includes a cable main body that has a substantially flat shape, and a cable main body that has a substantially flat shape. The upper ground protection layer is made of a conductive material and covers the upper surface. The generally flat cable body that constitutes the undercarpet cable has three foil conductors arranged approximately in parallel, including one for grounding, and is capable of supplying power on the order of 200W and 30A. is becoming possible. The undercarpet cable constructed as described above is laid under the indoor carpet in the manner shown in FIG. 6, for example. That is, in FIG. 6, when the above-mentioned undercarpet cable 101 is laid under the indoor carpet, one end thereof is first connected to the transition box (Tr-BOX) 103 disposed inside the office. The undercarpet cable 101 is connected to the undercarpet cable 101 and extends under the indoor carpet, and a plurality of outlet boxes (CO-BOXs) are connected to the undercarpet cable 101 at arbitrary locations as shown in the figure. ,
(hereinafter referred to as a "connector") 105 is attached.

Heretofore, as a connector 105 that is connected to the undercarpet cable 101 laid under the indoor carpet in the manner shown in FIG. 6, the one shown in FIG. 5 is known. The outline of the connector 105 shown in FIG. 5 includes a terminal block 107 that is formed to have a substantially flat plate shape as a whole and has a notched groove for attaching a cable in a plan view, and a notched groove of the terminal block 107. It consists of two upper grounding protective layer fixing members 109 attached to the terminal block 107 so as to cross the terminal block 107. To explain the connector 105 in more detail, the upper grounding protective layer fixing member 109 is made of a conductive material, and between the upper grounding protective layer fixing member 109, both ends connect the fixing member 109 to the terminal block. A connection terminal 111, such as a lead wire, is attached to the terminal block 107 by a fastener for fixing it to the terminal block 107, and is fixed in the notch groove of the terminal block 107 by the fixing member 109. The ends of the protective layer 113 are electrically connected to each other so that the protective layer 113 as a whole functions as a ground for the undercarpet cable system.

Problems to be Solved by the Invention However, as is clear with reference to FIG. The width of the upper ground protection layer 113 is approximately the same as or wider than the width of the terminal block 107. Moreover, in order to connect the undercarpet cable 101 to the connector 105 as shown in FIG. Upper grounding protective layer 113
It is necessary to cut the end part into a tapered shape so that the end part is fixed by the upper grounding protective layer fixing member 109, and the number of man-hours increases by the amount of cutting into the tapered shape. . Further, there is a risk that edges, burrs, etc. may be generated at the ends of the upper grounding protective layer 113, which is formed into a tapered shape by the above-mentioned cutting process. If burrs or the like were generated, there was a risk that the cable main body 115 would be damaged. Furthermore, in order to fix the end of the upper grounding protective layer 113 to the terminal block 107 via the fixing member 109, it is necessary to attach and support at least the end of the fixing member 109 to the terminal block 107. Since it is necessary to set a sufficient area on both sides of the notch groove part and to set an area for placing the connection terminal 111 such as a lead wire, the width of the terminal block 107 must be increased by that amount. However, there is also the drawback that the overall size of the connector 105 cannot be avoided.

Purpose Therefore, the present invention was devised in view of the above-mentioned facts, and its purpose is to reduce the number of man-hours required for processing the cable in order to connect the connector to the undercarpet cable. It is an object of the present invention to provide a connector suitable for connecting an undercarpet cable, which is free from the risk of damaging the cable body of the undercarpet cable and can be made smaller as a whole.

Means for Solving the Problems The above objects are achieved by the connector according to the present invention. In summary, the present invention is an under-carpet cable consisting of a substantially flat cable body and a grounding protective layer made of a conductive material covering the cable body, by cutting the grounding protective layer to a predetermined length. The main body is exposed to form a cable main body exposed part, a mounting base for fixing the cable main body exposed part is arranged on the lower surface of this cable main body exposed part, and the cut ends of the grounding protective layer can be freely connected to each other. The connector is electrically connected by at least one pair of connecting terminals, each of the connecting terminals being made of a pair of conductive plate-like members, and having one end of each of the plate-like members,
The connector is characterized in that a mounting part is formed to be driven into the cut end of the grounding protective layer and fixed thereto, and a fitting part is formed at the other end of each plate-like member, which can be attached to and detached from each other. .

Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

FIG. 1 shows a connector according to one embodiment of the present invention. A connector according to an embodiment of the present invention includes a first
As is clear from the figure, the terminal block 7 is formed to have a generally flat plate shape and has a cutout groove for attaching a cable in the flat part, and a portion corresponding to the terminal block 7 is cut out. A connecting terminal 11 that can electrically connect the ends of the upper grounding protective layer 13 of the undercarpet cable 1
It is equipped with. The above configuration will be described in detail as follows. That is, the terminal block 7
As is clear from FIG. 1, the overall size of the terminal block 7 is smaller than that of the terminal block 7 in the direction perpendicular to the notch groove formed in the terminal block 7. The width is set to be considerably smaller than the width of the upper grounding protective layer 13. A cable main body 15 whose upper portion is exposed by cutting off a portion of the terminal block 7 corresponding to the notch groove base 7 is attached and fixed with a fastener or the like. The connection terminal 11 is provided with attaching parts at both ends thereof, which are detachable from the upper grounding protective layer 13. In this embodiment, the material constituting the connection terminal 11 is made of copper, for example. A material having an electrical resistance value equal to or smaller than the electrical resistance value of the upper grounding protective layer 13 is used, such as brass or the like.

The connection terminal 11 according to an embodiment of the present invention has a first
As is clear from the drawings and FIGS. 2 to 4, which will be described later, a mounting portion is formed on one end side to connect to the end of the upper earthing protective layer 13 described above, and the other end is A first connecting terminal member, that is, a connecting terminal member 11a, in which most of the remaining portion including the side is a flat portion, and a mounting portion connected to the end of the upper grounding protective layer 13 similar to the above is formed on one end side. and a second connecting terminal member, that is, a connecting terminal member 11b, which is formed with a plug-in connecting portion on the other end side of which the flat portion of the connecting terminal member 11a can slide and be freely inserted and removed.
It is composed of: Furthermore, in one embodiment according to the present invention, the connection terminal 11 is connected to the terminal block 7.
First, the attachment parts formed at the ends of the connection terminal members 11a and 11b are attached to the ends of the upper grounding protection layer 13 formed by cutting the connection terminal members 11a and 11b. Then, the flat part of the connecting terminal member 11a is inserted into the plug-in connection part of the connecting terminal member 11b, so that the flat part and the connecting terminal member 11b including the plug-in connection part are overlapped. By appropriately adjusting the area where the connector 5 is connected, the final distance between the ends of the upper grounding protective layer 13 can be freely set. In this embodiment, the ends of the upper grounding protective layer 13 are electrically connected to each other by using the connecting terminal 11 having the above-described configuration, so that the upper grounding protective layer 13 is connected to the upper grounding protective layer 13 as a whole. It is possible to perform the earthing function in the undercarpet cable system as shown in FIG.

Connection terminal 11 according to an embodiment of the present invention described above
The shape of at least two connecting terminal members 11
a, 11b, the overall length of which can be changed according to the size of the terminal block 7 of the connector 5 to be used, and the respective connection terminal members 11a, 11b.
The upper grounding protective layer 13 is provided on one end side of the upper grounding layer 11b.
The shape of the connecting terminal 11 is not particularly limited as long as it is provided with a mounting part that can be driven into the end of the connector 5, but the shape of the connecting terminal 11 suitably applied to the connector 5 according to an embodiment of the present invention For example, as shown in FIG. 2, the mounting portion is formed into an eyelet shape, and as shown in FIG. 3, the mounting portion has a bent shape with a plurality of protrusions. For example, the attachment part may have a plurality of claws as shown in FIG. 4.

If the connector 5 equipped with the connection terminal 11 having the above-mentioned configuration is adopted in the undercarpet cable system as shown in FIG. , when it becomes necessary to remove the upper grounding protective layer (also referred to as top shield) 13 when carrying out construction work to change the installation position of the undercarpet cable 1 in the office due to changes in the layout of the office, etc. In addition, since it is only necessary to pull out the connecting terminal member 11a from the insertion connection portion of the connecting terminal member 11b, the removal work can be carried out extremely easily. Also, when cutting the upper grounding protective layer 13 necessary for connecting the connector 5 to the undercarpet cable 1, the upper grounding protective layer 13 formed by cutting as in the conventional method is used. It is no longer necessary to form the end portion of cable 13 into a tapered shape, which reduces the number of man-hours and also prevents damage to cable main body 15 due to edges, burrs, etc. Furthermore, the end portion of the upper earthing protective layer 13 is fixed to the upper earthing protective layer fixing member 10 as shown in FIG.
Since it is no longer necessary to fix the upper grounding protective layer fixing member 109 to the terminal block 7 by means 9, it is necessary to provide an area on both sides of the notch groove to attach and support the end of the upper grounding protective layer fixing member 109, as shown in FIG. It is no longer necessary to set an area for placing the connecting terminal 111 such as the lead wire shown in FIG.

Effects of the invention As explained above, according to the invention, the number of cable processing steps required to connect the connector to the undercarpet cable can be reduced.
It is possible to provide a connector suitable for connecting an undercarpet cable, which is free from the risk of damaging the cable body of the undercarpet cable and can be made smaller as a whole.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing the structure of a connector according to an embodiment of the present invention. FIG. 2, FIG. 3, and FIG. 4 are perspective views each showing the shape of a connecting terminal suitably applied to a connector according to an embodiment of the present invention. FIG. 5 is a perspective view showing the structure of a connector according to the prior art. FIG. 6 is a system configuration diagram showing a general undercarpet cable system. 1... Under carpet cable, 5... Connector, 7... Terminal block, 11... Connection terminal, 13
...Top earthing protective layer, 15...Cable body.

Claims (1)

[Scope of utility model registration request] The grounding protection layer of an undercarpet cable, which consists of a substantially flat cable body and a grounding protection layer made of a conductive material covering the cable body, is cut to a predetermined length to expose the cable body. A mounting base for fixing the exposed part of the cable body is arranged on the lower surface of the exposed part of the cable body, and the cut ends of the grounding protective layer are electrically connected by at least one pair of connection terminals that can be freely connected to each other. Each of the connection terminals is made of a pair of conductive plate-like members, and each of the plate-like members has a mounting part at one end thereof that is driven into the cut end of the grounding protective layer and fixed. 1. A connector characterized in that a fitting portion is formed at the other end of each of the plate-like members, the fitting portions being detachable from each other.