JPH0612937A - Switch - Google Patents

Abstract

PURPOSE:To provide a switch where a wire connecting operation can be easily performed at a job site by constituting the switch of an ON or OFF operating unit on the front side thereof and a connecting unit to be harness-connected to a connector disposed at the tip of a power supplying wire on the back side thereof in an integral manner. CONSTITUTION:A switch A is provided with an operating unit 1 for turning on or off an electric tool installed indoor on the front side thereof, and a connecting unit 4 to be harness-connected to a connector 3 disposed at the tip of a power supplying wire 2 on the back side thereof in an integral manner. In connecting a wire, when the connector 3 is inserted into an inserting cylinder 20 of the connecting unit 4, the connector 3 is harness-connected to the connecting unit 4, thus leading to completion of wire connecting operation. For disconnection, an operating portion 21 is operated so that an engaging portion is disengaged from a portion to be engaged, thus realizing easy disconnection.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch used for wiring inside a building such as a condominium.

[0002]

2. Description of the Related Art In condominiums and the like, the layout pattern is often fixed, so that the installation positions of wiring devices such as outlets and switches are also determined. Therefore,
In the past, depending on the installation position of the wiring equipment, the power supply line was cut to a predetermined length in advance at the factory, etc., and the connection between the power supply lines was done in advance at the factory, and the connection of the power supply line to the wiring equipment was done in the field. I was just trying to do it.

[0003]

However, in the conventional indoor wiring as described above, wiring is performed by inserting the core wire of the power supply line whose coating is peeled off by step peeling into the insertion hole formed in the wiring device. Since the power supply line was connected to the equipment, it is necessary to process the power supply line such as stripping when connecting the power supply line on the site, and it takes time and effort to perform indoor wiring work on the site. However, it was a big problem in the current situation where there is a shortage of electricians like these days.

The present invention has been made in view of the above points, and its purpose is to easily perform wiring work and easily respond to changes in the floor plan of a room or changes in the installation location of wiring equipment. It is to provide a switch that can.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises an operation unit 1 for turning on / off an indoor electric appliance on the front side, and a power supply for supplying power on the back side. The connecting body 3 provided at the tip of the electric wire 2 is integrally provided with a connecting portion 4 to which a harness is connected to form a switch A.

[0006]

The connection work of the power supply line 2 to the switch A at the site is performed by simply connecting the connection body 3 provided at the tip of the power supply line 2 to the connection portion 4 provided on the back side by harness connection. Therefore, it is possible to easily perform the connection work on site without taking time and effort.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A switch A according to the present invention is used for indoor wiring as shown in FIG. 3, and this indoor wiring is a power cable 5 from a distribution board and a plurality of power supply lines 2.
Zone pull boxes 6 to which are connected are provided at various locations indoors (for example, at each indoor zone). Here, the zone pull box 6 is installed, for example, in the back of the ceiling so as to be inconspicuous. A connector 3 such as a harness connector 7 and a harness plug 8 is attached to both ends of the power supply line 2 led out from the zone pull box 6 in a predetermined direction.

The zone pull box 6 is formed by forming various blocks into blocks and connecting the blocks to form an integrated unit. Here, an example thereof will be described. For example, a block 6a in FIG. 3 divides a power supply line into three and feeds the wiring, and the power feeding line 2 led out from the zone pull box 6 is used.
An outlet 30 as a wiring device is connected to the branch end of the.

The block 6b is a wiring device for connecting the feed wire and the load, and a switch A for controlling the load 22.
, The load 22 is a lighting device provided on the ceiling, and the hook ceiling 24 is used as a wiring device for connecting the load.
It is used when the lighting equipment is turned on and off by the switch A provided in the vicinity of.

As shown in FIG. 2, the switch A includes a switch main body 11, a body 12 and a cover 13 which store and hold the switch main body 11, and a pair which is stored and held in the body 12 and the cover 13 together with the switch main body 11. The main body is composed of the terminal plate 14 and the assembly fitting 15 for connecting and fixing the body 12 and the cover 13 to each other. The blade portions 14a are provided at the end portions of the pair of terminal plates 14, respectively. When the terminal plate 14 is housed in the body 12 and the cover 13, the blade portions 14a are integrally provided at the end portions of the body 12. It is arranged to be housed in the inserted barrel 20.

A fixed contact 1 is attached to the other end of the one terminal plate 14.
6 is provided, and the other end of the other terminal plate 14 is provided with a movable contact plate 18 that is turned by a movement of the reversing spring 17 by the operation of the operating unit 1 to turn the switch on and off. There is. The assembly metal fitting 15 is formed in a U-shape, and the connecting piece 15 is oriented laterally from both ends of the metal fitting body 15a.
It is configured by projecting b. A fixing piece 15c for locking and fixing the body 12 and the cover 13 together with the assembly fitting 15 to a mounting frame (not shown) is provided at the base of the connecting piece 15b. On the outer surfaces of the body 12 and the cover 13, a locking groove 19 in which the connecting piece 15b of the assembly fitting 15 is locked is provided in a continuous manner, and is connected to the locking groove 19 with the switch body 11 housed. By engaging the pieces 15b, the body 12 and the cover 13 are connected and fixed to each other by the assembly fitting 15, as shown in FIG. Then, the switch body 11 is replaced with the body 12 and the cover 1.
By storing it inside 3, you can turn on the indoor appliances on the front side.
An operation section 1 for performing an off operation is formed, and a connector 3 provided at the tip of a power supply line 2 for power supply is connected to a harness by a plug tube 20 on the back side. The connecting portion 4 is formed integrally.

An operating portion 21 for operating a locked portion (not shown) which is detachably locked to a locking portion (not shown) provided on the connector 3 on the upper surface of the insertion tube 20. Is provided, and the connection body 3 connected to the connection portion 4 is connected to the harness by being inserted into the insertion tube 20, and when detached, the operating portion 21 is operated to engage with the locking portion and the locked portion. It can be easily removed by releasing the lock with the part.

Further, the block 6c connects a wiring device for connecting a load and a plurality of switches A for controlling the load 22, respectively, and serves as a lighting device for bed lighting in which the load 22 is provided on a wall. As a wiring device for connecting a load, an outlet 30 for connecting a lighting device is used, and a switch A is provided with a switch A for operating the lighting device on the ceiling provided near the door 25 at the entrance of the room. The one provided in series and the one provided on the wall surface near the bed 26 are used, and by forming a so-called three-way circuit, the bed lighting can be turned on and off by any switch A. It is used when doing so.

Each block 6 of the zone pull box 6
Each of a to 6c has one connecting portion having the same structure as the harness plug 8 on one end surface and one connecting portion having the same structure as the harness connector 7 on the other end surface. The respective connecting portions are directly connected. That is,
A pair of power supply line and ground line of the power supply cable 5 are respectively connected to the three-pole terminals provided in the connecting portion. Further, two connecting portions having the same structure as the harness connector 7 are provided on both end faces of each of the blocks 6a to 6c, respectively.
Inside, the electric power supplied from the power cable 5 is branched and supplied to the terminals of these connecting portions according to the above-mentioned use. Since the structure of the connecting portion of the zone pull box 6 can be easily understood from the structures of the well-known harness connector 7 and harness plug 8, detailed description thereof will be omitted.

Here, the harness connector 7 attached to the tip of the power cable 5 is detachably connected to the connection portion of one block (block 6a in this embodiment), and corresponds to this connection portion. The structure is such that the lock body provided on the upper surface prevents the harness connector 7 from coming off, and the harness connector 7 can be removed by operating the lock body.

The connecting portions of the other blocks 6b and 6c are connected to the connecting portions of the other end surfaces of the blocks 6a and 6b, respectively, whereby the blocks are integrally connected and the power from the power cable 5 is supplied to the block 6b. , 6c. By the way, in this kind of indoor wiring, there is a risk of erroneous wiring. Therefore, the connecting portion 6b of the zone pull box 6 of the present embodiment, the connecting body 3 such as the harness connector 7 and the harness plug 8 of the power supply line 2, and the connecting portion 4 provided on the switch A have different shapes depending on the intended use. Is used. By doing this, it is possible to prevent erroneous wiring in the field.

When the zone pull box 6 is used as in the present embodiment, the power supply line 2 and the wiring equipment such as the switch A can be connected by a harness connection, and the wiring equipment requires work such as stripping of the cable as in the conventional case. It is not necessary to connect to the power supply line 2, connection to a wiring device is facilitated, and connection work is facilitated. That is, in a condominium or the like where the floor plan of the room and the installation location of the wiring equipment are determined, if the power supply line 2 having a predetermined length is prepared, the connection body 3 and the connection portion 4 can be connected on site. The wiring work is easy because it only needs to be performed.

By the way, in the above description, the case where the indoor wiring is performed by the ceiling wiring has been described, but the present invention applies the floor wiring using a floor having a double floor structure called a so-called system floor applied in an office or the like. It can also be applied to wiring using walls and walls, and further to internal wiring inside furniture such as OA panels.

[0019]

As described above, the switch of the present invention is provided with an operation portion for turning on / off the indoor electric appliance on the front side and is provided on the rear side at the tip of the power supply line for power supply. Since the connecting body is integrally formed with a connecting portion for harness connection, the wiring work is completed simply by connecting the connecting body provided at the tip of the power supply line to the connecting portion provided on the back side. Therefore, it is not necessary to remove the step of the cable as in the conventional case, and the connection work at the site can be easily performed without taking time and effort. Further, by disconnecting the connection body from the connection portion, it is possible to easily deal with changes in the floor plan of the room and changes in the installation location of the wiring equipment.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is an exploded perspective view of the above.

FIG. 3 is an explanatory diagram showing an indoor wiring method of the above.

[Explanation of symbols]

 1 Operation part 2 Feed line 3 Connection body 4 Connection part A switch

Claims (1)

[Claims] 1. A connection part, which is provided with an operation part on the front side for performing on / off operation of an indoor electric appliance, and a connection body provided on the back side at a tip part of a power supply line for power supply is connected to a harness. A switch characterized by being integrally provided with.