JPH0739174Y2 - Wiring equipment with electric wire insertion guide - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a wiring device having plug-in connection terminals for a power supply wire and a feed wire.

[Prior Art] A conventional wiring device having plug-in connection terminals for a power supply wire and a feed wire is a wiring device box as shown in FIGS. 3 and 4.
A plug-in connection terminal fitting 23 and a lock spring 24 that bends in an inverted S-shape to prevent the insertion terminal conductor of the electric wire connected to this terminal fitting from coming off are provided in Insertion holes 21 and 22 for inserting the power supply electric wire C and the feed electric wire C ′ connected to the connection terminal fitting 23 are provided by opening on the same surface of the bottom plate bottom surface of the box body 20. To insert the tips of the power supply wire C and the feed wire C ′ into the feed wire insertion hole 21 and the feed wire insertion hole 21, the insertion hole 2 opened at the bottom surface of the bottom plate of the box body
I visually checked 1 and 22 and inserted the tip of the wire.

Also, like the plug-out exposed outlet of No. 63-95282, a core wire insertion hole is provided on the flat surface of the main body side, and the core wire of the electric wire inserted from this core wire insertion hole is used as a core wire pressing spring. Insert the screwdriver into the core wire release hole and move the core wire release button to push open the core wire pressing spring. It is known to have an outlet that branches into three and feeds.

In addition, like the connector with designated strip of No. 51-89186, a rectangular frame is provided in the housing of the connector, and the periphery of the designated strip is located on the inner side of the bottom of the rectangular raised frame. A slot for inserting a slot is provided, and an elongated ridge with a rounded tip that is raised on the bottom surface in this frame and has a rounded tip extends from the bottom side edge to the center of the bottom, and is located at the position facing the tip of this elongated ridge. There is known a connector in which a sloping portion is formed on one side of a rectangular raised frame in order to facilitate insertion and removal of a designated strip into the rectangular raised frame.

[Problems to be solved by the invention]

Power wire insertion hole 21 as shown in FIG. 3 and FIG.
In the conventional wiring equipment in which the feed wire insertion hole 22 and the feed wire insertion hole 22 are provided on the same surface of the box bottom plate, the power wire insertion hole 21 and the feed wire insertion hole 22 on the bottom surface of the box bottom plate are While visually confirming the opening even in a dim room, work to insert the tips of the power supply wire C and the feed wire C ′ slightly pulled out from the wiring box into the insertion holes 21 and 22 and lock them with the lock spring 24. However, since both insertion holes 21 and 22 are provided close to the same plane of the bottom surface of the bottom plate of the box, which of the insertion holes is the power supply wire insertion hole 21 or the feed wire? Insert hole 22
However, there was a problem that it was easy to misidentify it and the workability was poor.

In addition, the exposed outlet that prevents the utility model from being released,
Since the core wire insertion hole for inserting the core wire of the three-branch feed wire of the power source is provided close to the same plane on the side surface of the main body, the same problem as described above occurs.

Further, the connector with a designated strip disclosed in the utility model cannot deal with the above-mentioned problem in the wiring device provided with the insertion holes for the power supply wire and the feed wire on the same bottom plate surface of the box. .

The present invention solves the above-mentioned problems, and in a wiring device in which both power supply wire and feed wire insertion holes are provided on the bottom of the box, even when working in a dim room when inserting the wires into each wire insertion hole. It is an object of the present invention to provide a wiring device with an electric wire insertion guide in which each insertion hole is prevented from being mistakenly recognized.

[Means for solving problems]

In order to achieve the above-mentioned object, the wiring device with an electric wire insertion guide of the present invention is provided with a power supply electric wire insertion hole 4 and a feed electric wire insertion hole 6 in a bottom surface 2a of a box 2 provided with a connection terminal fitting 7, One of the two wire insertion holes 4 and 6 is provided with a projection 3 for identifying the insertion hole that ridges from the bottom surface 2a around the opening of the one wire insertion hole 4, and the other of the two wire insertion holes 4 and 6 is provided. Between the wire insertion hole 6 and the insertion hole identification protrusion 3, a touch guide ridge 5 is provided on the bottom surface 2a.
It is characterized in that it is provided so as to project therefrom.

[Operation] Even if the power supply wire insertion hole 4 and the feed wire insertion hole 6 are opened close to the bottom surface of the box, one wire insertion hole has a projection 3 for identifying the insertion hole around the opening. Since there is no protrusion around the other opening and there is no protrusion around the other opening, the presence or absence of this protrusion 3 can be used to confirm the wire which is the insertion hole without any error when visually observing. Even in a dimly lit room, it can be confirmed by touch without error.

Further, even in the case of working in a dim room, one of the insertion holes of the power supply wire insertion hole 4 and the feed wire insertion hole 6 can be touched by a hand to touch the insertion hole identification protrusion 3 around the insertion hole. One of the electric wire insertion holes having the protruding portion 3 can be confirmed by touching the touch guide protrusion 5 extending between the protruding portion 3 and the other insertion hole with a hand. With respect to the position of the hole, it can be confirmed without error that the other wire insertion hole is the insertion hole at the position where the guide ridge 5 extends and has no protrusion 3.

The conductor of each electric wire end inserted into the electric wire insertion holes 4 and 6 is electrically connected to the connection terminal fitting 7 in the wiring device.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. 1 is a perspective view of a wiring device with a wire insertion guide according to the present invention as seen from the bottom side of a box, and FIG. Is the box. Inside the box body 2, a connection terminal fitting 7 and a spatula blade receiving terminal type insertion connection terminal fitting are provided, and a retaining / pressing spring 8 which comes into contact with the connection terminal fitting 7 and bends in an inverted S shape is provided. The retaining / pressing spring 8 is inserted into an electric wire insertion hole provided on the bottom plate portion of the box body 2 and is connected to the connecting terminal metal fitting 7 with an exposed conductor of an electric wire end, and a tip end edge of the inverted S-shaped bending contacts. The wire conductor is locked to prevent the exposed conductor from coming off, and at the same time, the electric wire conductor is pressed against the bent contact piece of the connection terminal fitting 7 by spring pressure to maintain electrical contact. A lid 9 is attached to the upper surface of the box 2 to assemble a metal fitting 10
Install by caulking

C is a power supply wire, and C'is a feed wire. Power is supplied to the bottom plate portion of the box body 2 in order to insert and lock the tip of each wire into the retaining / pressing spring 8 and connect it to the connection terminal fitting 7. A wire insertion hole 4 and a feed wire insertion hole 6 are provided. The connection terminal fittings 7 are provided so as to correspond to the power wire insertion hole 4 and the feed wire insertion hole 6, respectively. Properly provided inside.

The power supply wire insertion hole 4 and the feed wire insertion hole 6 are provided so as to open on the bottom surface 2a of the bottom of the box body.
Around the opening of one of the insertion holes, for example, around the opening of the power supply wire insertion hole 4, the projection 3 for identifying the insertion hole is provided on the bottom surface.
Provided so as to project from 2a. Also, both wire insertion holes 4, 6
On the bottom surface 2a of the box between the other insertion hole 6 and the projection 3 for identifying the insertion hole, a tactile guide projection 5 is provided so as to project from the bottom surface 2a.

The connecting tip of the power supply wire C is inserted into the power supply wire insertion hole 4 provided in the bottom plate portion of the box 2 configured as described above, and the exposed conductor at the end of the wire is engaged with the retaining / pressing spring 8. Stop and connect to the connection terminal fitting 7. The connecting end of the feed wire C'is inserted into the feed wire insertion hole 6 and the exposed conductor at the tip of the wire is locked by the retaining / pressing spring 8 attached to the other connecting terminal fitting 7 for connection.

In the work of inserting the power supply wire C and the feed wire C'by visually checking the power supply wire insertion hole 4 and the feed wire insertion hole 6 as described above, the insertion hole protruding from the bottom surface 2a of the box body. It can be easily identified and confirmed that the hole having the identification protrusion 3 is the power supply wire insertion hole 4 and the hole having no insertion hole identification protrusion 3 is the feed wire insertion hole 6. To be done.

Further, even when working in a dim room, by touching the insertion hole identifying protrusion 3 around one of the insertion holes of the power wire insertion hole 4 and the feed wire insertion hole 6, The power supply wire insertion hole 4 is an electric wire insertion hole having the protruding portion 3 that touches the hand, by touching and tracing the tactile guide projection 5 extending between the insertion hole and the other insertion hole. The other feed wire insertion hole 6 is easily the electric wire insertion hole which is located at the tip end position of the texture guide projection 5 extending from the texture guide projection 5 and does not have the protrusion 3. Can be identified and confirmed.

[Effect of device]

As described above, the wiring device with the electric wire insertion guide of the present invention,
A protrusion for identifying the insertion hole is provided around the opening of one of the power supply wire insertion hole and the feed wire insertion hole provided on the bottom of the box, and the other wire insertion hole and the insertion hole are identified. Since a tactile guide ridge is provided between the cable and the projecting part, it is used to identify the insertion hole protruding from the bottom of the box when inserting the connection tip of the power supply wire and the feed wire into each wire insertion hole. By visually observing the protruding portion, it is possible to confirm without distinction which wire the insertion hole is. Even in a dim room, even if each wire insertion hole is open close to the bottom plate of the box, the insertion hole identification protrusion and the tactile guide ridge protruding from the bottom of the box can be handled by hand. It is easy to distinguish between the wire insertion hole that has the protrusion for identifying the insertion hole and the other wire insertion hole that is at the tip position of the ridge for touch guide and does not have the protrusion and the opening position of the hole. Since it is possible to identify and confirm, the electric wire connection work can be performed easily and accurately without misidentifying each electric wire insertion hole, and miswiring accidents can be prevented.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention, FIG. 2 is a front view showing a half section of an embodiment of the present invention, FIG. 3 is a perspective view of a conventional example, and FIG. 4 is a conventional example. It is the front view which showed in half the cross section. 1: Wiring device body 2: Box 2a: Bottom of box 3: Insert hole identification protrusion 4: Power wire insertion hole 5: Touch guide ridge 6: Feed wire insertion hole 7: Connection terminal metal fitting C : Power wire C ': Feed wire

Claims (1)

[Scope of utility model registration request] 1. A power supply wire insertion hole (4) and a feed wire insertion hole (6) are provided on a bottom surface (2a) of a wiring device box (2) provided with a connection terminal fitting (7), and the both electric wires are provided. Insertion holes (4), (6)
A protrusion (3) for identifying the insertion hole, which protrudes from the bottom surface (2a), is provided around the opening of the one electric wire insertion hole,
An electric wire insertion characterized in that a tactile guide protrusion (5) is provided so as to protrude from the bottom surface (2a) between the other electric wire insertion hole and the insertion hole identification protrusion (3). Wiring equipment with a guide.