JP2594206B2 - Wiring duct - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wiring duct for accommodating a wiring cable .
Bottom wall and left and right side walls raised from both side edges of the bottom wall
And a case made of a long body having
To a wiring duct comprising a cover that closes the opening
It is about .

[0002]

2. Description of the Related Art In this type of wiring duct, a cable duct is used.
Cover was removed from the case and the top opening of the case was opened
In the state, the cable was arranged in the internal space of the case
After that, attach the cover to the case and close the upper opening
The procedure is carried out according to the following procedure.
The work of attaching the cover to the
Is often performed in a restricted space,
Cover installation work in a narrow space
It is desirable to be able to obtain. Also, after installation, it is safe
Prevent garbage from entering the case due to its nature
Cover, even if some vibration is applied
It is desirable to avoid withdrawal from the case.

[0003] By the way, this kind of wiring duct smells
As a structure for attaching the cover to the case,
For example, Japanese Unexamined Utility Model Publication No. Sho 52-46297 discloses
Up and out of the upper edge of the left and right side walls of the case
While providing a semi-circular groove that opens toward
The outward opening of the groove at each end in the width direction
A configuration in which a hemispherical ridge that fits in the groove is provided.
Was known for

[0004]

A conventional wiring having the above-mentioned structure.
If using a duct mounting structure, use a screw
Although it does not require cumbersome work, such as the width of the cover
Ridges on both sides of the case from above
The case and push-fit
Considering that both the cover and the cover are long,
Work at the same time,
Many times from one end to the other end in the longitudinal direction as a unit
It requires time-consuming work such as repetition, and construction efficiency
There was a problem that was very bad. Also, if the pushing force
Depending on the method, the ridge fitted first may be
When the cover comes up against the case,
If there is backlash and vibration is added after construction,
The cover moves with respect to the case,
There was also a problem that functions could not be secured.

The present invention has been made in view of the above circumstances, and has improved the workability of attaching a cover to a case.
The efficiency of construction can be improved, and vibrations after construction can be improved.
The cover may accidentally come off the case
DOO without, has an object to provide a distribution <br/> line duct capable of ensuring a predetermined cover function.

[0006]

[MEANS FOR SOLVING THE PROBLEMS] To achieve the above object
The wiring duct according to the present invention comprises a bottom wall and both sides of the bottom wall.
A long body with left and right side walls rising from the edge
Case where cables are installed in the internal space,
And a cover for closing the upper opening of the case, the Ke
At the upper ends of the left and right side walls of the base,
So that the middle part in the height direction projects slightly outward
The curved or bent fitting piece extends over the entire length of the case.
And the width of the cover
At both ends in the direction, there is an outer piece and an inner piece.
And press-fit from above into the fitting piece of the case.
A mating fitting is provided integrally over the entire length of the cover.
It is characterized by having.

[0007]

According to the present invention, a cable is provided in an inner space of a case.
When attaching the cover after installing the
嵌合 の 一端 幅 幅 幅 幅 幅 の 上 の 上 幅
One of the fitting pieces provided at the end
After press-fitting, the press-fitting part side is used as a fulcrum.
And rotate the cover to close the other end of the cover in the width direction.
The fitting part is brought into contact with the other fitting piece of the case,
To push the other end of the cover in the width direction from above
The fitting portion on the other end in the width direction of the cover
Can be fitted to the other fitting piece of the case over
Therefore, from one end in the longitudinal direction to the other end,
It is not necessary to repeat the pressing and pushing many times,
Efficient cover installation work in narrow spaces such as the ceiling
It can be done well. In addition, the fitting part on the cover side
It consists of inner and outer double opposing pieces called side pieces and inner pieces.
That they are in contact with each other
The fitting piece on the case side
With a curved or bent shape that projects slightly outward
Depending on the side, the pushing force is applied later
On the opposite side, that is, at the upper end of the side wall of the case
The fitting part of the cover previously fitted to the fitting piece floats up
There is no slack or detachment,
The cover may accidentally cover the case even after
It is a predetermined cover machine with no backlash and no worry about moving
Performance can be reliably maintained.

[0008]

FIG. 1 is a front view of a wiring duct A according to an embodiment of the present invention, and FIGS. 2 and 3 are enlarged front views of essential parts thereof. The duct main body 1 of the wiring duct A of this embodiment is divided into a case 2 and a cover 3 for closing an upper opening of the case 2 .

[0009] Case 2 is Ri Do an elongated body having a bottom wall 21 and the left and right side walls 22, 22 erected from both side edges of the bottom wall 21, the upper end of the side wall 22 of the left and right
Are provided with fitting pieces 23, 23 projecting over the entire length of the case 2 via stepped parts 24, 24 facing inward, respectively . These fitting pieces 23, 23 is in a curved or bent shape so that the intermediate portion of its height direction overhangs yaゝoutward. Further, the fitting portion 4 is provided at a position slightly deviated to one side from a central portion in the width direction of the bottom wall 21 (indicated by the axis Y-Y). The fitting portion 4 is provided with a leg portion 41 erected from the bottom wall 21, lateral projecting from the central portion shown in the axial Y-Y along the bottom wall 21 from the upper end of the leg portion 41 a projecting piece portion 42, a recess 43 provided on the back surface side of the projecting pieces 42, the outer surface provided on the distal end portion of the protrusion portion 42 and a engaging portion 44 which is inclined.

Such a case 2 is formed by extruding a thermoplastic resin such as a hard vinyl chloride resin. In the case 2 extruded in such a manner, the fitting portion 4 has a bottom wall extending over the entire length. The fitting piece 23 is provided integrally with the side wall 22 over the entire length.

[0011] Cover 3 consists respectively <br/> outer piece portion 31 at both ends in the width direction inner side piece portion 32 which the fitting portion 33,3
3 is provided. Then, cover 3 is placed on case 2.
When attaching, for example, the one (left) fitting portion 33 is connected to the one fitting piece portion 23 of the case 2 over the entire length thereof.
, And turn the cover 3 around the fitting side as a fulcrum.
After by moving abutted like a virtual line in FIG. 1 the fitting portion 33 to the other fitting piece portion 23 of the case 2 of the other (right) and the other fitting portion 33 of the cover 3 of the The cover 3 is attached to the case 2 by pushing the upper surface from above as shown by the arrow M and fitting it into the fitting piece 23. The cover 3 attached to the case 2 does not easily come off the case 2 because the fitting portions 33 are fitted to the fitting pieces 23.

Such a cover 3 is also formed by extruding a thermoplastic resin such as hard vinyl chloride resin. In the cover 3 extruded in such a manner, the fitting portions 33, 33 extend over the entire length. Provided.

Reference numeral 5 denotes a partition plate, and a plate-shaped seat portion 6 is provided at a base end 51 of the partition plate 5 in the height direction H. The seat 6 has a width at one end 61 from the partition plate 5 longer than a width at the other end 62, and a protrusion 63 is provided at the one end 61. I have. The seat portion 6 is thinner than the above-described mutual distance between the inner surface of the bottom wall 21 of the case 2 and the engaging projection 44 of the fitting portion 4.
In addition, the distance between the top of the ridge 63 and the lower surface of the seat 6 is slightly wider than the minimum distance between the inner surface of the bottom wall 21 of the case 2 and the engaging projection 44 of the fitting portion 4.

Therefore, as shown in FIG. 3, the seat 6 faces the space between the bottom wall 21 of the case 2 and the projecting piece 42 of the fitting portion 4 as shown by the arrow L1. Press, ridge 6
By using the elasticity peculiar to the synthetic resin provided in the protruding piece part 42 by 3, the protruding ridge 63 is pushed into the recess 43 while the engaging convex part 44 is retracted upward in the drawing. The seat 6 can be fitted to the part 4. When the fitting portion 4 and the seat portion 6 are fitted to each other, the protruding piece 42 attempts to return to the original position due to its elasticity. Therefore, as shown in FIG. And the seat 6 is held by the fitting portion 4, and the partition plate 5 is maintained in the upright posture in the internal space of the duct main body 1. In the fitting state of the fitting portion 4 and the seat portion 6, as shown in FIG. 2, the engaging projection 44 on the fitting portion 4 side is separated from the ridge 63 by the elasticity of the projection 42. When the partition plate 5 is pushed into the gap with the plate 5 in a state of hitting both of them, the partition plate 5 is surely kept in the upright posture without rattling. Even if one end of the seat 6 hits the leg 41 of the fitting portion 4 and the ridge 63 is engaged with the engaging projection 44, the partition plate 5 does not rattle. It is kept upright.

When the seat 6 is pulled as indicated by an arrow L2 from the state in which the seat 6 is fitted and held in the fitting portion 4 as shown in FIG. 2, the protruding piece 42 is deformed by its elasticity. As a result, the ridge 63 passes through the engagement convex portion 44, and the seat portion 6 is separated from the fitting portion 4.

The partition plate 5 and the seat 6 are formed into a uniform shape by extruding a thermoplastic resin such as a hard vinyl chloride resin.

When the partition plate 5 is arranged in the upright position in the internal space of the duct main body 1 as described above, the partition plate 5 divides the internal space of the duct main body 1 into two as shown in FIG. Therefore, each section S1 and S2 can be used as a space for disposing a cable (not shown). For cable laying procedures, for example,
The partition plate 5 is disposed on the duct main body 1 without the cover 3 , that is, the case 2, as described above, and thereafter the cables are disposed on the sections S 1 and S 2.
Can be applied to the case 2 in the same manner as described above .

In this embodiment, the fitting portion 4 is formed on the bottom wall 2.
1 is provided at a position slightly deviated to one side from the center in the width direction (indicated by the axis Y-Y).
When the seat 6 on the side of the partition plate 5 is fitted and held, the partition plate 5 is arranged at the center in the width direction X of the bottom wall 21 indicated by the axis YY. Therefore, by changing the position where the fitting portion 4 is provided, the arrangement position of the partition plate 5 can be deviated leftward or rightward with respect to the axis Y-Y.

The fitting part 4 and the seat part 6 can have other shapes. For example, as shown in FIG. 4, the fitting portion 4 is formed by a groove 4a formed in the bottom wall 2, and the groove wall surface of the groove 4a is provided with an engaging recess 4b. 51 may be formed in an extended plate-like shape, and the plate-like seat portion 6 may be formed with an engagement convex portion 6b to be engaged with the engagement concave portion 4b. In this embodiment, the seat portion 6 is fitted into the fitting portion 4 so as to engage with the engaging recess 4b.
When the engaging projection 6b is engaged with the engaging portion 6, the seat 6 is held by the fitting portion 4, and the partition plate 5 is maintained in the upright posture. Further, when the partition plate 5 is pulled upward in the drawing, the seat portion 6 comes out of the fitting portion 4 and separates.

Incidentally, the wiring duct A is not always installed so that the partition plate 5 is vertical as shown in FIG. 1, but may be installed so that the partition plate 5 is horizontal. . Then, when the partition plate 5 is installed vertically, there is no possibility that the seat portion 6 will be detached from the fitting portion 4 in the state of FIG. In a case where the partition plate 5 is installed so as to be horizontal, a form in which the protruding piece 42 of the fitting section 4 faces downward (a form rotated 90 degrees clockwise from the state of FIG. 1).
Then, since the partition plate 5 on which the cable is mounted is pushed downward by the weight of the cable, the seat 6 is
It cannot be said that there is no danger of disengagement from below.

An embodiment which can eliminate such a fear will be described.
This will be described with reference to FIGS . FIG. 5 shows another embodiment of the present invention .
FIG. 6 is a front view of the wiring duct according to the embodiment of FIG.
FIG. 7 is an enlarged front view showing a state where the seat 6 is fitted to
FIG. 5 is an enlarged front view showing a state when the seat 6 is fitted to the fitting portion 4.

In this embodiment, the fitting portions 4, 4 are provided at symmetrical positions sandwiching the reference position (the axis YY) of the bottom wall 2, and both fitting portions 4 are provided at the reference position. , 4 are provided with a common leg 41. One surface of the leg portion 41 is a stopper 41a that prevents the seat portion 6 fitted to the one fitting portion 4 (4A) from moving toward the reference position (the axis Y-Y) and coming off. The other surface of the leg portion 41 serves as a stopper 41b for preventing the seat portion 6 fitted to the other fitting portion 4 (4B) from moving toward the reference position (axis Y-Y) and coming off. ing. In a state where the seat 6 on the partition plate 5 side is fitted and held in the fitting portion 4A or 4B, one end 61 of the seat 6 comes into contact with the stopper 41b.

With this configuration, in a state where the seat portion 6 is fitted and held in the other fitting portion 4 (4B) as shown in FIG. 6, the seat portion 6 is at the reference position (axis YY). Even if the user tries to move to the side (moves to the left in the figure), one end 61 of the seat 6 hits the stopper 41b, and the movement is prevented. In addition, even when the seat portion 6 is fitted and held in the one fitting portion 4 (4A), one end portion 61 of the seat portion 6 contacts the stopper 41a and moves to the reference position (axis Y-Y) side. Is blocked. Therefore, in the case where the wiring duct A is installed so that the partition plate 5 is horizontal, the seat portions are provided on the fitting portions 4A, 4B of the fitting portions 4A, 4B on which the protruding piece 42 faces upward. By fitting the cable 6, it is possible to prevent the separation of the seat 6 from the fitting portion 4 due to the partition plate 5 on which the cable is mounted being pushed downward by the weight of the cable.

Other configurations and operations of the case 2, the cover 3 and the seat 6 forming the duct body 1 are shown in FIG.
The same or corresponding parts are denoted by the same reference numerals because they are the same as those described above.

Next , another embodiment of the present invention will be described. In this embodiment, as shown in FIGS. 5 to 7, the base end 51 of the partition plate 5 in the height direction H is displaced in the thickness direction T of the partition plate 5. The seat 6 is provided at a position where the partition plate 5 is displaced from the seat 6 toward the other fitting portion 4 when the seat 6 is fitted to the fitting portion 4. It was made. That is, the base end 51 of the partition plate 5 is connected to the base end 51.
Bend obliquely in the vicinity of the partition plate 5
The one end 61 provided with the seat 6 ridges 63 projects more toward the partition plate 5 than the base end 51. 52 indicates a bent portion.

According to this, when the seat portion 6 is fitted and held in the other fitting portion 4 (4B) as shown in FIG. 6, the partition plate 5 is connected to the one fitting portion 4 (4A). When the seat 6 is fitted to and held by one of the fitting portions 4 (4A) as shown by a virtual line in FIG. Is disposed at a position displaced toward the fitting portion 4 (4A).

Therefore, for example, when the reference position (axis YY) is set at the center in the width direction of the bottom wall 2 of the duct body 1 as shown in FIG. By appropriately determining the deviation width of the partition plate 5, the partition plate 5 is maintained in the upright posture at the reference position (the axis line Y-Y) regardless of whether the seat portion 6 is fitted to any of the fitting portions 4A and 4B as shown in FIG. It is possible.

Other configurations and operations are based on FIGS.
Is the same as was described in the above embodiment describes the, the same or corresponding portions 1-3
The same reference numerals are given to those attached to.

The fitting part 4 and the seat part 6 in the embodiment described above.
As it can be also be different shapes from that shown in FIGS. 5-7. For example, as shown in FIG. 8, the fitting portion 4 is formed by grooves 4a 'and 4c' formed symmetrically on both sides of the reference position (the axis Y-Y).
a ′, 4c ′ are provided with engaging recesses 4 a ″, 4 c ″ on the groove wall surfaces, and the seat portion 6 is formed in the shape of an extended plate piece at the base end portion 51 displaced in the thickness direction T of the partition plate 5. This plate-shaped seat 6
The engaging projection 6 engaged with the engaging recesses 4a ", 4c"
b ″ can be formed. In this case, the seat 6 is fitted to the fitting 4 so that the engagement recess 4 is formed.
When the a "or 4c" is engaged with the engaging projection 6b ", the seat 6 is held by the fitting portion 4, and the partition plate 5 is kept in the upright posture. 8, the seat portion 6 comes out of the fitting portion 4 and separates from the fitting portion 4. In one fitting portion 4A shown in Fig. 8, the groove wall surface on the reference position (axis Y-Y) side corresponds to the stopper 41a. In the other fitting portion 4B, the groove wall surface on the reference position (axis YY) side corresponds to the stopper 41b, and Fig. 9 is a partially cutaway perspective view of the wiring duct A of Fig. 5. In the figure, reference numeral 7 denotes a stopper for fixing the wiring duct A.

[0030]

As described above, according to the present invention, the internal space is
Remove the cover for the case after arranging cables between
When attaching, first fit the cover at one end in the width direction.
At the upper end of either side wall of the case.
To be fitted over the entire length of the fitting piece
1 Operation and the cover with the push-fitting part side as a fulcrum
Turn the cover to fit the other end of the cover in the width direction to the case.
The other end of the cover in the width direction.
Simple and few operations such as the second operation of pushing the part side from above
The cover over the entire length of the case
It is possible to fit
Pressing operation is repeated many times from one end to the other
No need for extra work, and in small spaces such as ceilings
Can be installed very efficiently.
Wear. Moreover, the fitting part on the cover side is the outer piece and the inner piece.
That it is composed of a double facing piece inside and outside,
Fitting on the side of the case that is engaged between the opposing pieces
One part protrudes slightly outward in the middle of its height
Depending on the curved or bent shape
At the end opposite to the side where the pushing force is applied later.
The mating part of the mated cover rises or comes off
No vibration at all
Therefore, the cover unexpectedly rattles against the case,
Ensures the required cover function without moving
The effect that it can be made to play is produced.

[Brief description of the drawings]

FIG. 1 is a front view of a wiring duct according to an embodiment of the present invention .

FIG. 2 is an enlarged front view showing a state in which a seat is fitted to a fitting portion in the wiring duct of FIG. 1;

FIG. 3 is an enlarged front view showing a state where a seat is fitted to a fitting portion in the wiring duct of FIG. 1;

[4] put the cable duct according to an embodiment of the present invention
Is an enlarged front view showing a Hamagojo state the deformable fitting portion and the seat that.

FIG. 5 is a front view of a wiring duct according to another embodiment of the present invention .

6 is an enlarged front view showing a state where a seat is fitted to a fitting portion in the wiring duct of FIG. 5;

7 is an enlarged front view showing a state where a seat is fitted to a fitting portion in the wiring duct of FIG. 5;

Definitive in accordance cable duct to another embodiment of the present invention; FIG
It is an enlarged front view which shows the state in which the deformation | transformation fitting part and the seat part were fitted.

FIG. 9 is a partially cutaway perspective view of the wiring duct of FIG. 5;

[Explanation of symbols]

A Wiring duct 1 Duct main body 2 Case 3 Cover 21 Bottom wall 22 Side wall 23 Fitting piece 24 Stepped part 31 Outer piece 32 Inner piece 33 Fitting part

Claims (1)

(57) [Claims] 1. A bottom wall and two side edges of the bottom wall.
Consists of a long body with left and right side walls
The case where the cable is installed and the upper opening of this case
And a cover for closing the left and right side walls of the case.
At the upper end, through a stepped part facing inward,
The middle part bends or bends slightly overhanging
The fitting piece of the bent shape is integrally protruded over the entire length of the case.
At both ends in the width direction of the cover.
It consists of an outer piece and an inner piece.
The fitting that can be pushed into the mating part from above is fitted
A wiring duct provided integrally over the entire length of the bar .