JPH05326064A - Wiring cover for floor - Google Patents

Abstract

PURPOSE:To fix an electric wire electrically connected to underfloor wiring and make a draw out margin length freely adjustable. CONSTITUTION:A wire guide chip 100, having an electric wire insertion part 300 for inserting an electric wire 600 arranged, is removably arranged in an opening window 22a of a mounting plate 22. A notch 24b, where the electric wire insertion part 300 provided in the wire guide chip 100 is arranged, is provided in a cover plate 24. The electric wire insertion part 300 is formed in one end of the wire guide chip 100. A closing part 400, arranged in the notch 24b provided in the cover plate 24 to close the notch 24b by moving the wire guide chip 100 reversed, is provided in the other end of the wire guide chip 100. A cam 700, which holds the electric wire 600 fixed insertion-arranged in the electric wire insertion part 300 by energizing the wire guide chip 100 sideward through closing operation of the cover plate 24, is provided in the cover plate 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a floor wiring cover for electrically connecting a plug connected to an on-floor wiring to an under-floor wiring on a floor such as a free access floor.

[0002]

2. Description of the Related Art Conventionally, on a free access floor or the like, there has been provided a floor wiring cover for electrically connecting a plug connected to an on-floor wiring to an under-floor wiring. This kind of floor wiring cover is equipped with a wiring chip so that it can be electrically connected to the underfloor wiring by inserting an electric wire with the cover plate closed, and it is provided on the wiring chip. The electric wire can be drawn under the floor with the cover plate closed via the electric wire insertion portion to be electrically connected to the underfloor wiring.
Here, the electric wire insertion portion is formed by bending a part of the wire passage tip so as to project to the outside to form a protrusion, and the electric wire insertion opening formed so as to communicate with the inside of the instrument body by the protrusion. It is composed of. Further, since the wiring chip can be electrically connected to the underfloor wiring with the lid plate closed, foreign matter such as dust and sand can be prevented from entering the instrument body.

[0003]

However, since the electric wire inserted into the electric wire insertion portion is simply inserted into the electric wire insertion opening constituting the electric wire insertion portion, that is, the electric wire. Is movable in the wire insertion opening, and if the wire on the floor is pulled unexpectedly, the wire inserted in the wire insertion part will also be pulled, and the wire inside the instrument body will be pulled out. Therefore, there is a problem in that it is impossible to adjust the wire length of the electric wire, and there is a problem in that the electric wire electrically connected to the underfloor wiring comes off under the floor.

An object of the present invention is to solve the above-mentioned problems and for a floor in which an electric wire electrically connected to the underfloor wiring can be fixed and the length of the projection can be freely adjusted. It is intended to provide a line cover.

[0005]

In order to achieve the above object, the present invention provides an instrument main body having an upper end provided with a mounting flange for abutting against the floor upper surface, and an opening for exposing an upper surface opening of the instrument main body. A mounting plate having a window and arranged so that its upper surface is flush with the upper surface of the mounting flange, and the upper surface of the mounting plate is housed in a lid plate storage recess formed around the opening window in the mounting plate. Attaching and detaching a wire chip having a cover plate that can be opened and closed between a position flush with the opening and a position where the opening window is opened, and having a wire insertion portion through which an electric wire is inserted and arranged in the opening window of the mounting plate. The lid plate is freely accommodated and arranged, and a notch is provided in the lid plate so that the wire insertion portion provided in the wire insertion chip is arranged. Wire chip at the end An occlusion for closing the cutout is arranged in notches provided in the cover plate is provided at reverse moving,
With the wire insertion part placed in the notch, the cover plate was provided with a cam that urges the wire connection chip to the side by closing the cover plate and clamps and fixes the wire inserted in the wire insertion part. It is a thing.

[0006]

According to the above construction, by closing the cover plate with the electric wire inserted and arranged in the electric wire insertion portion of the through wire chip, the through wire chip is urged laterally by the cam provided on the cover plate. The electric wire inserted into the electric wire inserting portion is pinched and fixed in the electric wire inserting portion by the lateral movement of the electric wire inserting tip, and the electric wire can be positioned and fixed.

[0007]

The present invention will be described below in detail based on the illustrated embodiments. As shown in FIG. 2, the floor wire cover is basically screwed to the instrument main body 10 having a mounting flange 11 formed on the upper end thereof, and a fixing screw 31 which is inserted into the instrument main body 10 from above. The sandwiching metal fitting 30, the mounting plate 22 having the opening window 22a exposing the upper surface of the instrument body 10, the lid plate 24 opening and closing the opening window 22a, and the mounting plate 22 attached to the mounting plate 22 and The main body is configured by including the through wire chip 100 arranged between the cover plate 24 and the cover plate 24.

The instrument body 10 is formed in a cylindrical shape from a thermoplastic synthetic resin having impact resistance. Instrument body 1
A support plate 12 is formed below the upper end surface of 0. Most of the peripheral edge of the support plate 12 is integrally continuous with the inner peripheral surface of the instrument body 10, but has a linear portion 12a that is separated from the inner peripheral surface of the instrument body 10 in a part, and has a central portion in the central portion. Rectangular cutout window 12 with one side edge open facing the straight portion 12a
b is formed. On the inner peripheral surface of the instrument body 10, the linear portion 1 is provided at a portion facing the linear portion 12a of the support plate 12.
A plane portion 10a parallel to 2a is formed. Further, a portion of the inner peripheral surface of the instrument body 10 that extends from both sides of the flat surface portion 10a to the support plate 12 forms a pair of guide walls 14 that are flat surfaces parallel to each other. A pair of protrusions 15 are formed on the upper surface of the peripheral portion of the support plate 12 and are spaced apart in the diametrical direction.
A through hole 15a is formed in the center of the protrusion 15 so as to penetrate vertically.

In the instrument body 10, a mounting flange 11
A guide groove 16 in the up-and-down direction, which is continuous with the through hole 15a, is formed on the outer peripheral surface below. The lower end of the guide groove 16 is closed by a holding plate 17 having a holding hole 17a in the center thereof, and the instrument body 10 among the peripheral walls of the guide groove 16 is closed.
When viewed from above, a retraction notch 16a is formed in the lower end portion of the peripheral wall located on the counterclockwise side of the outer peripheral surface of the instrument body 10. On the lower surface of the instrument body 10, a wire drawing recess 18 is formed at a portion different from the guide groove 16.

The instrument main body 10 configured as described above is
By sandwiching the floor plate between the mounting bracket 11 and the sandwiching metal fitting 30 that is screwed into the fixing screw 31 that is inserted from above into the through hole 15a formed in the projecting stand 15, the floor plate is fixed to the floor plate. Is becoming The upper end portion of the fixing screw 31 is inserted into the through hole 15a and the lower end portion thereof is inserted into the holding hole 17a, so that the fixing screw 31 is held so as not to wobble. A C-ring or the like is fitted to the lower end of the fixing screw 31 to prevent it from coming off from the holding plate 17. In the state where one end of the clip metal fitting 30 is screwed into the fixing screw 31 and the other end of the clip metal fitting 30 is inserted into the guide groove 16 such that the other end of the clip metal fitting 30 projects from the outer peripheral surface of the instrument body 10, the fixing metal clip 30 is fixed. It is adapted to move up and down by rotating the screw 31. At the lower end position of the vertical movement of the clip metal fitting 30, the clip metal fitting 30 is rotated to retract the notch 16 for evacuation.
By passing it through a, it is possible to retract the clip 30 to a position where it does not project from the outer peripheral surface of the instrument body 10. Therefore, when fixing the instrument body 10 to the floor plate, first, the instrument body 10 is inserted from above into the mounting hole formed in the floor plate with the sandwiching metal piece 30 being passed through the retracting notch 16a. After that, when the fixing screw 31 is tightened, the clip metal fitting 30 rotates so as to come out of the withdrawal notch 16a and contacts one peripheral wall of the guide groove 16, and the clip metal fitting 30 inserts one end into the guide groove 16. At the same time, the other end moves upward with the other end protruding from the outer peripheral surface of the instrument body 10. Therefore, when the fixing screw 31 is tightened, the floor plate is clamped between the mounting flange 11 of the instrument body 10 and the sandwiching metal piece 30, and the instrument body 10 is fixed to the floor plate.

By the way, the instrument body 10 has a support plate 12
The mounting plate 22 is installed so as to be mounted on the upper surface of the wiring plate 100, and the wire chip 100 is detachably mounted to the opening window 22a provided in the mounting plate 22. Further, the opening window 22a of the mounting plate 22 is provided with a lid plate 24 which can be opened and closed between a position where the opening window 22a is closed and a position where the opening window 22a is opened.

The mounting plate 22 having the above structure is placed on the upper surface of the mounting plate 21, and has an opening window 22a formed in the center thereof. Further, the thickness of the mounting plate 22 is set to be approximately equal to the dimension from the upper surface of the support plate 12 to the upper surface of the mounting flange 11, and when the mounting plate 22 is inserted into the instrument body 10, the upper surface of the mounting plate 22 is the mounting flange. It is arranged to be substantially flush with the upper surface of 11. On a part of the periphery of the mounting plate 22,
A coupling claw 22f having a locking hook 22e is projectingly provided at a lower end portion, and the coupling claw 22f is inserted into a coupling hole 21d formed in the support plate 12 to thereby lock the locking hook 22e.
Is locked to the lower edge of the coupling hole 21d, and the mounting plate 22
Are coupled to the support plate 12. further,
A fitting protrusion 22b that engages with an engaging recess 10b provided in the flat surface portion 10a is provided on a part of the peripheral edge of the mounting plate 22 to prevent the mounting plate 22 from rotating with respect to the instrument body 10. Has been done. On the upper surface of the mounting plate 22, a lid plate accommodating recess 22c is formed around the opening window 22a. A locking groove 200 is provided on the side wall of the opening window 22a to which the wire chip 100 is detachably mounted.
The locking groove 200 is provided at two locations on one side wall, and the locking groove 200 is provided at one location on the other side wall. This engaging groove 200 is engaged with an engaging claw 101 protruding from a side end of the wire passing chip 100, and an extension 201 extending laterally is formed at the bottom. That is, when the engaging claw 101 is locked in the locking groove 200 and the through wire chip 100 is attached, the engaging claw 101 is extended.
By engaging with, the through wire chip 100 is lifted upward so as not to come off.

The wire passing chip 100 is formed by providing a wire insertion portion 300 on the upper surface of one end of the thin plate material and a closing portion 400 on the lower surface of the other end of the thin plate material, and the engaging claw 101 from the side end. Are integrally projected. The electric wire insertion portion 300 is formed by protruding a projection 301 so as to bulge out the central portion of one end of the thin plate material, and is formed by an electric wire insertion opening 302 in the projection 301. The closing part 400 is formed by projecting the lower surface of the other end of the thin plate material outward, and the protruding size of the closing part 400 is substantially the same as the thickness size of the cover plate 24. Then, the wiring chip 100 should be arranged in the opening window 22a so that the electric wire insertion portion 300 is on the upper side, or may be reversed so that the closing portion 400 is on the upper side in the opening window 22a. You can do it.

The cover plate 24 has a flat plate shape, and its thickness dimension is substantially equal to the depth of the cover plate storage recess 22b of the decorative plate 22. Also, the lid plate 24 is the lid plate storage recess 2
It is formed in a rectangular shape having a size that satisfies 2c. On a part of the peripheral edge of the cover plate 24, a connecting projection 24a that is inserted into a recess 22g provided in the above-mentioned supporting projection 22d of the mounting plate 22 is projected, and the connecting projection 24a is recessed. 21
g to insert the core rod 500 into the supporting projection 21d and the connecting projection 2
4a, the support protrusion 21d and the connecting protrusion 24a are inserted.
And the lid plate 24 is rotatably connected to the mounting plate 22.
Installed on. A notch 24b, which is a notch in a concave shape, is provided at an end portion of the cover plate 24 that faces the end portion at which the support protrusion 24a is provided, and the notch 24b is provided on the wire chip 100. The outer shape of the insertion portion 300 and the closed portion 400 are cut out to have substantially the same shape. Here, the wire insertion portion 300 and the closing portion 400 provided on the wire insertion chip 100 have substantially the same outer shape so that they can be arranged in the notches 24b, and the wire insertion portion 300 is arranged on the upper side. In this way, when the passing wire chip 100 is housed in the opening window 22a, the wire inserting portion 300 is placed in the cutout 24b, and the passing wire tip 100 is inverted so that the closing portion 400 is placed on the upper side. When the through-wire chip 100 is housed and arranged in the opening window 22a, the closing portion 400 is arranged in the notch 24b. Then, the electric wire insertion portion 300 is placed in the notch 24b to form the electric wire insertion portion 300, and the electric wire insertion opening 302 is formed in the instrument body 1
0 is in communication with the inside and outside, and the wire insertion opening 302
The electric wire 600 can be exposed to the underfloor by inserting the electric wire 600 into the underside of the lid plate 24. Further, when the electric wire 600 is not connected to the underfloor wiring, the wiring chip 1
By inverting 00 and arranging the closed portion 400 in the cutout 24b, the cutout 24b is closed and the upper surface of the lid plate 24 can be made flat.

As shown in FIG. 1, in the vicinity of the shaft attachment portion on the back surface of the cover plate 24, there is provided a cam 700 for pressing the end portion of the wire passing tip 100 during the closing operation to urge the wire passing tip 100 laterally. It is provided. Then, as shown in FIG. 1A, the wire 600 is inserted into the wire insertion opening 302 of the wire chip 100.
When the cover plate 24 is closed with the insertion inserted, the structure shown in FIG.
As shown in FIG. 3, the wire passing tip 100 is pushed out to the side by the cam 700, and the wire 600 is inserted into the wire inserting opening 30.
The electric wire 600 is clamped between the inner surface of the protrusion 301 forming part 2 and the peripheral edge of the mounting plate 22, whereby the electric wire 600 is clamped and fixed when the cover plate 24 is closed.

When the electric wire 600 is exposed under the floor through the floor wiring cover from the state shown in FIG. 3 (a) where the floor wiring cover is not used, first, FIG. As shown in (b) and (c), the lid plate 24 is opened to take out the through wire chip 100, and then, as shown in FIG.
As shown in (e), the wire passing chip 100 is housed in the opening window 22a in a state where the wire passing chip 100 is turned upside down so that the wire inserting portion 300 is on the upper side. As shown in FIG.
By closing the lid plate 24 as shown in (f) and (g), the electric wire 600 can be exposed under the floor via the floor wiring cover. Then, by closing the cover plate 24, the wire chip 100 is urged laterally by the cam 700 provided on the cover plate 24 to clamp and fix the electric wire 600, and thus the electric wire 60 is wired.
0 is not pulled by the external force and is not pulled out from the inside of the wire insertion opening 302. In addition, the holding and fixing of the electric wire 600 is released by opening the cover plate 24, and by pulling out the electric wire 600 by a predetermined length and closing the cover plate 24 again, the length of the electric wire 600 from the floor wire cover is extended. The height can be adjusted freely.

[0017]

As described above, according to the present invention, the wire passage chip having the wire insertion portion through which the wire is inserted is detachably accommodated in the opening window of the mounting plate, and the wire chip is provided on the cover plate. A notch is provided for arranging the electric wire insertion part, and the electric wire insertion part is formed at one end of the wire connecting chip and is provided on the lid plate at the other end of the wire connecting chip by reversing movement of the wire connecting chip. A blocking part is placed in the cutout to close the cutout.When the wire insertion part is located in the cutout, the lid chip is closed to urge the wire passing chip to the side and insert the wire. Since the lid plate is provided with a cam that clamps and fixes the electric wire inserted through the inside of the part, by closing the cover plate with the electric wire inserted through the electric wire insertion part of the wire passing chip, the cam provided on the cover plate The wire tip is biased to the side and Electric wire inserted into the wire insertion portion by the movement of becomes to be clamped fixed in the wire insertion portion, it is capable of positioning and fixing the wire.

[Brief description of drawings]

1A and 1B show an operating state of the present invention, in which FIG. 1A is a sectional view before a cover plate is closed, and FIG. 1B is a sectional view in a state where the cover plate is closed.

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

3 (a) (b) (c) (d) (e) (f) (g)
FIG. 6 is a perspective view showing an operating state.

FIG. 4 is a plan view of the above.

FIG. 5 is a partially cutaway front view of the above.

6 is a cross-sectional view taken along the line AA in FIG.

FIG. 7 is a plan view with a cover plate removed.

FIG. 8 is a plan view showing a state in which a mounting plate, a cover plate, and a wire chip are removed.

[Explanation of symbols]

 22 Mounting Plate 22a Opening Window 24 Lid Plate 24b Notch 100 Wire Chip 300 Wire Insertion Portion 400 Closure Portion 600 Electric Wire 700 Cam

Claims (1)

[Claims] 1. An instrument main body having an upper end having a mounting flange for abutting against the floor upper surface and fixed to the floor, and an opening window exposing an upper surface opening of the instrument main body, and the upper surface being flush with the upper surface of the mounting flange. A mounting plate located at
A lid plate that is housed in a lid plate housing recess formed around the opening window in the mounting plate and is openable and closable between a position where the upper surface is flush with the upper surface of the mounting plate and a position where the opening window is opened. A detachable accommodating and placing wire-carrying chip having a wire-carrying part through which a wire is inserted and arranged in the opening window of the mounting plate, and the wire-carrying part provided on the wire-carrying chip being arranged on the lid plate. And a notch is formed at one end of the wire passing chip, and the notch is formed at the other end of the wire passing chip by inverting movement of the wire passing chip and arranged in the notch provided in the lid plate. A closing part that closes the wire is provided, and with the wire insertion part placed in the notch, the lid is closed and the wire chip is urged to the side to pinch and fix the wire inserted in the wire insertion part. Flow cam is provided on the cover plate. Use communication lines cover.