JPH0678434A - Floor wiring device - Google Patents

Abstract

PURPOSE:To enable a connector to be replaced easily by making the opening of a cover larger than the outline of the plane of the connector, and attaching the connector in the position that it nearly lies upon the opening of the cover inside the box. CONSTITUTION:A cover 16 is composed of a door frame 17 and a cover 26, and a nearly rectangular shallow depression is provided at the center of the door frame 17, and an opening larger than the outline of the plane of a connector 10 is provided there. And, a box body 2, where a cover 5 is screwed, is arranged under the floor F, and the door fame 17 of the cover 16 is screwed from above it to the cover 15 so that it may cover the floor F. Next, the mounting part 14 of an instrument fixing metal fitting 11 where a plug socket 15 is screwed through the opening 19 of the door frame 17, and the screw hole of the tongue piece 8 of the cover 5 are screwed to each other. At this time, the connector 10 is mounted in the position that it lies upon the opening 19, viewed from above the door frame 17. Next, the door 26 of the cover 16 is attached to the door frame 17. Accordingly, in the floor wiring device being constructed once, the removal and the mounting of the connector can be performed easily through the opening of the cover.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor wiring device.

[0002]

2. Description of the Related Art A floor wiring device generally comprises a box 1, a connecting device 10 and a lid 16 as shown in FIGS.

The box 1 is arranged below the floor surface F, and includes a box body 2 and a cover 5 having a push-up spring 22.
The cover 5 is screwed to the box body 2.

The connecting device 10 is composed of a device fixing metal fitting 11 having a screw hole and an outlet 15 and is screwed to the cover 5.

The lid 16 is composed of a door frame 17 having an opening 19 for plug connection and a door 26 for opening and closing the opening 19. Door frame
17 is laid on the floor F and screwed to the cover 5. Door 26
Is rotatably attached to the door frame 17, and a shaft 37 formed at one end of the door 26 is fitted into a long hole 38 provided at one end of an opening edge of the door frame 17 so that the door frame 17 is provided. It is fixed and opens and closes with the shaft 37 as a pivot. When the door 26 is open, the push-up spring 22 of the cover 5 is slanted upward due to its own elastic force, but when the door 26 is closed, the push-up spring 22 is pressed by the other end of the door 26 to turn sideways, That is,
Always urges in the opening direction. Therefore, by providing the concave locking piece 31 at the other end of the door and providing the convex locking plate 24 at the other end of the door frame, the door 26 is locked in the closed state. This locked state is released by the push button 23 provided on the door frame 17. Further, a part of the door 26 is provided with a replaceable electric wire insertion piece 30 so that the cord of the plug connected to the outlet 15 can be pulled out to the outside with the door 26 closed.

This floor wiring device is assembled as follows. First, the box body 2 to which the cover 5 is attached is placed under the floor surface F, then the connecting device 10 is screwed onto the cover 5, and the door frame 17 covers the floor surface. Screw on.

[0007]

In the above floor wiring device, the opening of the lid is provided for plug connection, and it is taken into consideration that the connecting device is attached or detached through the opening. Absent. Therefore, there is no choice but to follow the assembly procedure of attaching the connecting device to the box and then attaching the lid, so that if you want to perform work such as removing and attaching the connecting device after construction once, the lid must be attached each time. Must be removed.
In other words, extra work was required for the required work.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a floor wiring apparatus in which a connecting device can be easily replaced.

[0009]

In order to achieve the above object, the floor wiring apparatus of the present invention has a box arranged below the floor and a mounting portion, and the mounting portion is removable from the box. A connecting device to be attached, a door frame having an opening for connection and attached to a box when laid on the floor, and a lid having a door arranged to open and close the door frame In the floor wiring apparatus including the above, the opening of the lid is made larger than the plane outline of the connecting device, and the connecting device is attached at a position substantially overlapping the opening.

[0010]

According to this structure, since the opening of the lid is made larger than the plane outline of the connecting device and the connecting device is attached at a position substantially overlapping the opening, the connecting device of the floor wiring apparatus once constructed is When it is desired to perform work such as removal and attachment, the connecting device can be attached and detached through the opening of the lid.

[0011]

Embodiments of the present invention will be described below with reference to FIGS.

The floor wiring device of the present invention is basically provided with a box 1, a connecting device 10 and a lid 16 as in the conventional device, but each member is as follows.

The box 1 is arranged below the floor surface F and is composed of a box body 2 and a cover 5. The box body 2 has a box shape with one surface opened, has a plurality of wiring ports 3 on its side surface, and has a tongue piece 4 provided with a screw hole protruding inward from the opening edge.

The cover 5 is screwed onto the opening edge of the box body 2, and has a rectangular opening at the center of a square thin plate.
It has a shape having 6. Standing pieces 7 are connected to each side of the inner edge of the opening 6, and both standing pieces 7 facing each other on the long side are further connected to outwardly bent tongues 8 and screw holes are attached to the tongues. 9 are provided.

The connecting device 10 is composed of a device fixing bracket 11 and an outlet 15. The device fixing bracket 11 is a vertical piece 12 and an inclined piece that is continuously provided diagonally upward from the lower end of the vertical piece 12
The vertical piece is provided with a convex mounting portion 14 having a semicircular cutout at the upper end of the vertical piece and one end of the inclined surface, and the mounting portion 14 is bent in the opposite direction.

The outlet 15 is an inclined piece of the fixture 11
Fitted in the opening of 13 parallel to the inclined piece 13,
It is fixed to 11 by screws. And the connecting device 10
Is attached to the cover 5 by screwing the attachment portion 14 of the device fixing bracket 11 and the tongue piece 8 of the cover 5 with a screw.

The lid 16 is composed of a door frame 17 and a door 26. The door frame 17 has a disc-like shape and is provided with a substantially rectangular shallow depression 18 in the center, and has a shape having an opening 19 larger than the plane outline of the connecting device 10, and a screw is provided at the corner of the opening periphery. Hole 20
Is provided. One side of the peripheral edge of the opening 19 and a part of the opposite side thereof are notched in a convex shape in accordance with the mounting portion 14 of the device fixing bracket 11. Hook holes on both sides of the notch on one side
21 is provided, and push-up springs 22 are provided on both sides of the notch on the other side. This push-up spring 22
Has one end fixed to the door frame 17 and the other end slanted upward by its own spring force, and the spring force is sufficient to lift one end of the door 26. Also, the door frame
A plate-shaped lever 23 is provided on the surface of the lock plate 17, and the lock plate has a tongue shape connected to the lever 23 with a screw S and has a sloped end.
A compression coil spring 25 is provided on the inner edge of the door frame 17 so that the projection 24 projects toward the center.

The door 26 is detachably attached to the opening 19 of the door frame 17 to open and close the opening 19. The door 26 is composed of a door body 27 and a wire insertion piece 30. The door main body 27 has a hook claw 28 on one side of a square thin plate, and has a U-shaped cutout from the opposite side, and the cutout piece formed is the wire insertion piece 30. On the notched end surface of the door body 27, the ridge 29
Is provided. The wire insertion piece 30 is provided with a locking piece 31 having a recess on the back side of one side and projections 32 provided on both sides sandwiching the same, and both side surfaces perpendicular to the one side are substantially isosceles triangles having the apex at the intersection. None, a first groove 33 parallel to the upper surface and a second groove 34 on the other side are engraved on both side surfaces thereof along both oblique sides of the isosceles triangle. In addition, a hanging piece 35 having a recess at the lower end is provided downward from the center of the opposite side on the side where the locking piece 31 is provided, and the hanging piece 35 and the wire insertion port 36 on both side surfaces having a substantially U-shaped cross section. Is formed. A foreign matter blocking member, which prevents foreign matter such as dust from entering the wire insertion port 36,
For example, a sponge (not shown) is bonded. The electric wire insertion piece 30 is provided at the cutout portion of the door main body 27.
It is attached by fitting the first groove 33 or the second groove 34 of 30 and the protruding portion 29 of the door body 27, and is detachable. When the second groove 34 is fitted to the protrusion 29, the wire insertion port
36 is exposed.

This floor wiring device is constructed as follows. First, attach the box body 2 with the cover 5
It is arranged below F, and then the door frame 17 of the lid 16 is screwed onto the cover 5 so as to cover the floor surface F from above. Next, the door frame
Through the opening 19 of the socket 17, the mounting portion 14 of the device fixing bracket 11 to which the outlet 15 is screwed and the screw hole 9 of the tongue piece 8 of the cover 5 are screwed together. At this time, the connecting device 10 is attached to a position overlapping the opening 19 when viewed from above the door frame 17. Then, the door 26 of the lid 16 is attached to the door frame 17.

Therefore, in this case, the opening 19 of the door frame 17 is larger than the plane outline of the connecting device 10, so that the cover 5 of the door frame 17 is covered.
The connector 10 can be attached to the cover 5 after it is attached to the cover 5, and the connector 10 is attached to the position overlapping the opening 19 when viewed from above the door frame 17, so that Even if the connecting device 10 is desired to be replaced, the connecting device 10 can be attached and detached without removing the door frame 17.

Next, the work of mounting the door 26 on the door frame 17 will be described in detail. When the hook claw 28 of the door body 27 of the door 26 is hooked in the hook hole 21 of the door frame 17 and the other end is pushed downward, the other end pushes the slope of the lock plate 24 provided on the door frame 17 from above. . This causes the lock plate 24 to move away from the center. At that time, since the lock plate 24 is biased toward the center by the compression coil spring 25, when the lock plate 24 comes into contact with the locking piece 31 provided on the wire insertion piece 30 of the door 26 or the recess of the hanging piece 35, It moves inward and fits into the recess into a fitted state. When releasing the fitted state and removing the door 26 from the door frame 17, the lever 23 provided on the door frame 17 is pulled in a direction away from the center. Then, the lock plate 24, which is connected to the lever 23 with a screw, also moves in the same direction, so that the fitting state is released apart from the recess of the locking piece 31 or the hanging piece 35, and the push-up spring 22 provided in the door frame 17 is released. Due to its own elastic force, it tries to bounce upwards, whereby the door 26 is lifted and the door 26 can be removed.

When the plug is inserted into the floor wiring device, the door 26 is removed and the plug is inserted.
There is no danger of getting your hands caught in 26. The door 26 may be left removed during use of the device, but if the door 26 is desired to be used with the device attached, the second groove 34 of the wire insertion piece 30 of the door 26 and the door body
When the protrusions 29 of 27 are fitted, the wire insertion port 36 is exposed on the floor surface F, and the cord of the plug can be pulled out from there. When not in use, the first groove of the wire insertion piece 30 of the door 26 and the ridge 29 of the door body 27 are fitted together.

[0023]

In the floor wiring apparatus of the present invention, the opening of the lid is made larger than the plane outline of the connecting device, and the connecting device is attached at a position substantially overlapping the opening, so that the connecting device can be replaced. In the case of carrying out, the connecting device can be attached and detached from the opening of the lid cover, and therefore, the extra work of removing the lid cover can be omitted, so that the connecting device can be easily replaced.

[Brief description of drawings]

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

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

FIG. 3 is a perspective view of the lid of FIG. 1 in a state where the lid door is half opened.

FIG. 4 is an exploded perspective view of the door shown in FIG.

FIG. 5 is a cross-sectional view showing a conventional example.

FIG. 6 is a perspective view of the lid of FIG. 5 in a state where the lid door is fully opened.

[Explanation of symbols]

 1 Box 10 Connection device 14 Mounting part 16 Lid 17 Door frame 19 Opening 26 Door F Floor

Claims (1)

[Claims] 1. A box disposed below the floor surface, a connecting device having a mounting portion and the mounting portion being detachably attached to the box, and an opening portion for connection and laid on the floor surface. In a floor wiring apparatus comprising a door frame attached to the box in a closed state and a lid having a door arranged to open and close the opening in the opening, the opening of the lid is a plane of a connecting device. A floor wiring device, which is larger than an outer shell and is attached at a position where the connecting device substantially overlaps the opening.