JPS59194613A - Wire passing structure of wiring bit cover - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a lid for a wiring pit provided on a floor surface to house various types of wiring, and particularly to a lid for wiring pits that are installed on a floor to house various types of wiring. Regarding line structure.

Conventionally, in the wiring structure of this type of wiring pit cover, a cutout opening is formed by cutting out one side of the cover to prevent the cover from leaking. The wiring in the wiring pit was made to be pulled out to the outside, and the lid was made with a through hole, and a rubber grommet was attached to this hole to allow the wiring in the wiring pit to be pulled out to the outside. Something is known.

However, since the former wiring structure is simply a notch opening provided in the lid, a large gap is created between the notch opening and the wiring drawn out from the notch opening.
Mice can enter the wiring pit through this gap and damage the wiring, the wiring at the edge of the notch opening can wear out and be damaged, and even dirt or foreign objects can enter through the notch opening and damage the wiring. Also, in the latter wiring structure, are there any problems like those mentioned above? There was a problem in that the work of pulling out the wiring from within the wiring pit was extremely troublesome.

In view of this point of view, the present invention is provided along the opening edge of a notch hole formed in the lid of a wiring pit, the side of which is open, and the side of the notch is open. A plurality of inner lids each having an engaging part that slidably engages with the guide part is attached to the opening of the edge frame body in which a guide part is formed along the inner surface of a pair of side edges forming an open end. A removable inner lid body made of a member is capable of opening and closing, and a through hole is arbitrarily opened around a partition edge formed between the inner lid members,
The object of the present invention is to provide a wiring structure for a wiring pit cover body in which the above-mentioned problems can be solved by drawing out the y wiring to the outside through the through hole.

EMBODIMENT OF THE INVENTION Hereinafter, the content of the present invention will be described in detail based on embodiments shown in the accompanying drawings.

1 to 5 show a wiring structure of a wiring pit lid according to a first embodiment of the present invention. This wire passage structure has a notch hole (2) in the lid body (1) that is open on the side and has a substantially rectangular shape in plan view, and the opening edge of the notch hole (2) has one side open. Attach the edge frame body (3) which has an abbreviated cross-section and is formed into a substantially U-shape in plan by opening the edge frame body (3).
) is provided with inward projecting edges (6) that protrude inward at the upper and lower ends of the vertical walls (5) of the pair of side edges (4) forming the open end, respectively. A groove-shaped guide portion (7) is formed in the portion (4).

The edge frame body (3) is composed of two inner lid members (8a) and (8b) that are divided into two in the front and back from the open end side, and are slidable into the guide portion (7) along both left and right sides. Inner lid body q made of hard synthetic resin and having an engaging part (9) that is movably fitted and locked.
(3), and the rear inner lid member (8b) is connected to the edge frame body (3).
) is slidably fitted from the guide portions (7) formed on each side edge (4) of the guide portion (4) and fixed to the lower inward projecting edge (6) by a fastening means such as a hiss (16); In addition, the inner lid member (8a) located in the front position, that is, on the opening edge side, is similar to the above-mentioned edge frame (8a).
The wiring pit is slidably fitted into the guide portions (7) formed on each side edge (4) of 3) and removed from the open end side of the edge frame (3). When pulling out the wiring from the inner cover body (1G+), make a through hole in the inner cover body (1G+) centering on the position indicating groove (12) formed between the partition edge (11) formed by the two inner cover members (8a) (8b). The wiring was opened to the outside through this hole.

In this first embodiment, the inner lid members (8a) (8b)
), as shown in FIGS. 2 and 5, the rear inner lid member (8b) is provided with fitting holes (13) at both ends of its partition edge (11), and Front inner lid member (8a)
A fitting protrusion (14) is provided on the partition edge (11), which allows the front inner lid member (8a) to be moved along the side edge (4) of the edge frame (3). Sliding edge frame body (3)
When the opening of the wiring pit is closed, the fitting protrusion (14) fits into the fitting hole (13), and when the lid (1) is fitted into the wiring pit, the front inner lid member (8a) It is designed to prevent it from falling off from the open edge. In addition, in FIGS. 1 to 5, the reference numeral (15) is a mounting flange portion that projects outward from the edge frame (3).

Furthermore, FIGS. 6 to 8 show modifications of the first embodiment, in which the edge frame (3) is also made of hard synthetic resin like the inner lid (Go), and the rear The inner lid member <8b) and the edge frame body (3) are integrally formed, and this edge frame body (3)
) is fitted with the edge of the bottom plate (17) that constitutes the lid (1) over its entire circumference, and this edge frame (3) is inserted into the notch hole of the lid (1). An attachment groove (18) is formed for attachment to the opening i portion of (2). In addition, the symbol (1
9) is a decorative board attached to the upper surface of the bottom plate (17).

In the modified examples shown in FIGS. 6 to 8 above, the partition edge (11) for forming the through hole for drawing out the wiring in the wiring bin is connected to the front inner cover member (8a). Edge frame body (3
) is formed between the rear inner lid member (8b) integrally formed with a position indicating groove (12) which serves as a mark when drilling a through hole on this partition edge (11) ) is formed.

FIGS. 9 and 10 show other modified examples of the first embodiment, in which in each of the above embodiments, the groove-shaped Place the guide part on the edge frame (3
), and the engaging part that fits and locks this guide part to the inner lid body (
10) is formed on the inner lid member (8a>(8b)), but in this example,
A concave groove-shaped guide part (7) is attached to the outer edge of the inner lid member (8a),
Furthermore, engaging portions (9) that fit and lock with the guide portions (7) are formed on the edge frame body (3), respectively, to lock the inner lid body q■.

FIGS. 11 and 12 further show another modification of the first embodiment, in which the inner lid body q is divided into three parts from the open end side of the edge frame body (3), and Consisting of a lid member (8a), an intermediate inner lid member (8C), and a rear inner lid member (8b), each of these inner lid members (8a), (8b), and (8
C) Position indicating grooves (12) forming holes are formed in the partition edges (lla) and (llb) between each inner lid member (8a) (8b) (8c). body(
3) slidably mounted along each side edge (4) of the
The entire opening of the edge frame (3) can be opened if necessary.

Next, FIGS. 13 to 16 show the lid body (
This shows the wiring structure of 1), and unlike the case of the first embodiment above, the inner cover body q is composed of two inner cover members (8d) and (8e) divided into left and right halves. , a partition edge (11) formed by these two inner lid members (8d) (8e)
A position indicating groove (12) is formed along the partition edge (11) and extends vertically from the open end side of the edge frame (3). Further, as shown in FIG. 15, at the rear end of each of the inner lid members (8d) (8e), there are protrusions (
20) is formed, thereby each inner lid member (8
d) When inserting (8e) into the edge frame (3) or after inserting the inner cover members (8d) (8e), the positions of these inner lid members (8d) (8e) are regulated relative to each other to prevent them from wobbling. ing.

According to this embodiment, the wiring pulled out from inside the wiring pit is sandwiched between the inner lid members (8d) and (8e) and then inserted into the edge frame (3) of the lid (1). .

FIG. 17 to FIG. 20 relate to a modification of the second embodiment, in which both side edges (4) of the edge frame body (3) are vertical walls (5).
and an inward protruding edge (6) protruding inwardly (mi) from its lower end. Inward ridge (6
) has a slit-shaped guide portion (
7'), and each inner lid member (8d) (8e) constituting the inner lid body q■ has an engaging portion (9) on both sides thereof that fits into the guide portion (7). A hook-shaped engaging portion (9') is formed on the lower surface of each of the guide portions (9') to fit into the guide portion (7').

Therefore, according to this modification, each inner lid member (8d) (8
The inner lid body q■, which is constructed by matching the parts e) with each other, is attached to the edge frame body (
3) from the opening side of each engaging part (9) (9'
) slides on each guide part (7)<7') and engages the engaging part (9'
) is adapted to be securely engaged with the engagement hole (21) of the guide portion (7'). Note that the reference numeral (22) in the figure indicates a partition edge (11) formed between the inner lid members (8d) and (8e).
These are concave and convex portions that fit into each other.

The wire passage structure of the wiring bit lid according to the present invention is configured as follows, so that when drawing the wires inside the distribution bit to the outside, each wire is inserted into the through hole from its starting end. The workability is good, and the wiring drawn out to the outside is connected between the inner cover body and the edge frame body or between each inner cover member making up the inner cover body. It is firmly pushed into the through hole formed between the bits, thereby preventing each wire from moving up and down and damaging it, and preventing mice, dirt, etc. from getting into the wiring bit and damaging the wire.

Moreover, according to the present invention, an edge frame body is attached to the notch hole formed in the lid of the wiring bit along the edge of the opening, and the edge frame body has a shape that allows the opening to be opened and closed. With,
Since the inner lid body is provided with an engaging portion that slidably engages with the guide portions formed along each side edge of the edge frame body, the edge frame body can be opened by simply sliding the inner lid body. The opening can be opened and closed, and it is extremely easy to insert each wire drawn out from the wiring pit and close the opening of the edge frame with the inner lid.

[Brief explanation of drawings]

FIG. 1 is a plan view showing the wiring structure of a wiring pit cover according to a first embodiment of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, and FIG. 3 is a line taken along line A-A in FIG. 1. 4 is a front view of FIG. 1, FIG. 5 is a sectional view taken along the line BE in FIG. 1, FIG. 6 is a plan view showing a modification of the first embodiment, and FIG. 7 is a front view of FIG. 6 is a sectional view taken along the line CC in FIG. 6, FIG. 8 is an exploded perspective view of FIGS. 1 to 6, FIG. 9 is a plan view showing another modification of the first embodiment, and FIG. -D sectional view, FIG. 11C is a plan view showing still another modification of the first embodiment, and FIG. 12 is E-
13 is a plan view showing the wiring structure of the second embodiment, FIG. 14 is a sectional view taken along line F-E in FIG. 13, and FIG. 15 is an exploded perspective view of FIG. 13. , FIG. 16 is a front view of FIG. 13, and FIG. 17 is a plan view showing a modification of the second embodiment.
18 is an exploded perspective view of FIG. 17, FIG. 19 is a sectional view taken along line G--C of FIG. 17, and FIG. 20 is a partially sectional front view of FIG. 17. (1)...Lid, (2)...Notch hole, (3)...
・Edge frame body, (4)...Side edge part, (7)...Guiding part,
(8a X 8b) (8c) (8d) (8e)
-Inner lid member, (9)-=engaging portion, (10)...Inner lid body, (ll)...Partition edge. Patent Applicant Naka Gijutsu Kenkyusho Co., Ltd. Figure 3 Figure 1b Figure 4 Figure 5 Figure 1 Figure 6 Figure 9 Figure 10 Figure 11/1 Figure 12 Figure 13/1 Figure 16 Figure 17/1

Claims (1)

[Claims] A pair of side edges that are formed in the lid of the wiring pit and are attached along the opening edge of a notch hole that is open on the side, and that are open on the side and that form the open end. A removable inner lid member comprising a plurality of inner lid members each having an engaging portion that slidably engages with the guide portion is attached to the opening of the edge frame body in which a guide portion is formed along the inner surface of the portion. A wire passage structure for a wiring pit lid body, characterized in that the wiring pit lid body is closed openable and closable by the inner lid member, and a through hole is arbitrarily opened around a partition edge formed between the inner lid members.