JP2001008738A - Latching device of wiring duct cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a latching device of a wiring duct cover capable of preventing the duct cover from playing in a vertical direction or coming off from a wiring duct. SOLUTION: A latching device 11 is integrally fixed to right and left supports 2 by engaging its engaging parts 11d to the engaging holes 8 of the supports 2. Then, a wiring duct cover 6 comes into the state of being insert-held by the abutting part of the device 11 and a wiring duct 5, its vertical moving is regulated. Thus, the cover 6 is prevented from playing in a vertical direction or coming off from the duct 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for preventing a wiring duct cover from coming off, and more particularly to a device for preventing a wiring duct cover from coming off in a work table or the like in which a top plate is fixed to columns that are separated to the left and right.

[0002]

2. Description of the Related Art Conventionally, in a work table or the like on which a column which is separated to the left and right is used as a base, a wiring duct having a substantially U-shape in cross section, which is open to the left and right, is installed between the columns. A wiring duct cover may be attached to the upper part of the wiring duct so as to close the opening of the wiring duct in order to conceal cords and the like housed inside.

[0003] In this type of wiring duct cover, a bent piece is formed so as to be bent downward from the front and rear ends thereof, and this bent piece is engaged with the front and rear of the wiring duct main body.
In some cases, rattling in the front-rear direction is suppressed, and rattling in the left-right direction is suppressed by sandwiching the left and right ends of the support between the columns.

[0004]

However, since the above-mentioned wiring duct cover is merely placed on the upper part of the wiring duct, when a certain external force is applied, or when a number of wires are placed inside the wiring duct, When the cords are accommodated, there is a problem that the cords are loosened in the vertical direction or come off the wiring duct.

The present invention has been made in view of such a problem, and provides a device for preventing a wiring duct cover from coming off which can prevent rattling of a wiring duct cover in a vertical direction and deviation from the wiring duct. The purpose is to do.

[0006]

In order to solve the above-mentioned problems, a device for preventing a wiring duct cover from coming off according to the present invention comprises a wiring for a work table or the like in which a top plate is fixed to a column which is separated to the left and right. A retaining device for a duct cover, wherein the retaining device comprises a base piece and a bent piece bent so as to sandwich the support, and a lock formed on the support at a predetermined position of the bent piece. It is characterized in that a locking portion bulging inward is formed so as to be locked in the hole, and the lower end of the base piece or the bent piece is an abutting portion. According to this feature, the locking device is attached to the right and left columns by locking the locking portion to the locking hole of the column, and the wiring duct cover is attached to the contact portion of the locking device. And the wiring duct, and the vertical movement is restricted, so that vertical rattling and deviation from the wiring duct are prevented.

[0007] The device for preventing the wiring duct cover from coming off according to the present invention comprises:
It is preferable to have a flat contact piece whose lower surface is in contact with the upper surface of the wiring duct cover. With this configuration, the larger surface of the retaining device is pressed against the upper surface of the wiring duct cover, so that the wiring duct cover is securely locked to the wiring duct.

[0008] The device for preventing the wiring duct cover from coming off according to the present invention is preferably formed so that the vertical width of the locking portion substantially coincides with the vertical width of the locking hole of the pillar.
According to this configuration, since the vertical width of the locking portion and the vertical width of the locking hole of the pillar coincide with each other, when the locking portion is locked in the locking hole, the vertical height of the locking portion in the stopper device is reduced. Since the movement is regulated, the rattling of the wiring duct cover in the vertical direction is reliably regulated.

In the device for preventing the wiring duct cover from coming off according to the present invention, it is preferable that the wiring duct cover has an insertion port for a power plug. With this configuration, the power plug can be inserted without removing the wiring duct cover, and when the power plug is pulled out, the wiring duct cover does not come off due to the retaining device.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described below with reference to the accompanying drawings. FIG. 1 shows a partially broken work table 1 to which a device for preventing a wiring duct cover from coming off according to the present embodiment is applied. FIG.

The work table 1 includes a support column 2 that is separated to the left and right.
A top plate 4 attached to the front and rear of the support 2 via a bracket 3, a wiring duct 5 attached between the top plates 4, and a wiring duct cover 6 covering an upper surface of the wiring duct 5. It is mainly composed of

As shown in FIGS. 2 and 3, the column 2 is formed in a hollow shape by bending a steel material or the like, and its front and rear surfaces are formed with an outer side surface 2a and an inner side of the side surface 2a. Side surface 2b, and the side surface 2b
It is formed so as to be located more deeply than a.

In the center of the side surface 2a and the side surface 2b,
A plurality of locking holes 7, 8 for locking locking claws (not shown) of the bracket 3 and locking claws 10e of the wiring duct 5, which will be described later, are formed at equal intervals in the vertical direction. An insertion hole 9 (see FIG. 1) is provided in the outer side surface 2c, and the cords C are inserted through the insertion hole 9 to allow the wiring duct 5 to be inserted.
The cords C can be accommodated therein.

The wiring duct 5 is, as shown in FIG.
It is composed of a pair of L-shaped members 10 and 10 formed of a bottom plate 10a and a side plate 10b and having a substantially L-shaped cross section. A bent piece 10c that is bent toward the center is provided at the upper end side of the side plate 10b, and a locking claw 10e that can be locked in the locking hole 8 is formed at the left and right ends at the center. Locking piece 10d is provided so as to extend downward.

Each of the L-shaped members 10 is attached from the front and rear of the two columns 2 so that the locking claws 10e are locked in the locking holes 8 of a desired height, so that the upper portion is opened between the columns 2. The wiring duct 5 having a substantially U-shaped cross section is formed, and the cords C can be accommodated therein.

In the figure, reference numeral 6 denotes a wiring duct cover, which is formed to have substantially the same width as the distance between the inner side surfaces 2e of the middle flank of the left and right columns 2, and has, at the left and right ends, side surfaces 2b of the column 2 A notch 6d that can be fitted to the convex portion formed by the inner surface 2d and the inner surface 2d is formed.

At the lower end of a bent piece 6a bent downward from the front and rear edges of the wiring duct cover 6, a folded piece 6b bent upward is formed. The contact between the inner surface of the folded piece 6b and the upper edge of the side plate 10b of the wiring duct 5 prevents back and forth rattling on the upper surface of the wiring duct 5, and prevents the strut 2 of the left and right cutouts 6d from forming. By fitting to the convex portion, rattling in the front, rear, left and right directions when the wiring duct 5 is attached is suppressed.

In the drawing, reference numeral 11 denotes a stopper member made of stainless steel, which includes a base piece 11a, a holding piece 11c bent from the left and right free ends of the base piece 11a toward the support, and a holding piece 11c. Folded piece 1 folded outward from the tip of
1f.

The base piece 11a is formed so that its front-rear width is substantially the same as the front-rear width of the protruding portion of the column 2 and its vertical width is substantially the same as the vertical width of the locking hole 8. I have.

The holding piece 11c has substantially the same width as the left and right sides of the side surface 2b of the support column 2. At the center thereof, a substantially V-shaped locking portion 11d which can be fitted into the locking hole 8 is folded. It is bent.

At the lower end of the folded piece 11f, a contact piece 11e whose lower surface is flush with the lower surfaces of the base piece 11a and the bent piece 11b is formed inward.

The retaining member 11 thus formed
Is mounted so that the convex portion of the column 2 is sandwiched between the two bent pieces 11b, so that the locking portion 11d is fitted into the locking hole 8 of the column 2 and is integrally attached to the column 2.

Hereinafter, the operation of the first embodiment of the present invention will be described. After the wiring duct 6 is mounted so as to cover the upper surface of the wiring duct 5 mounted at a predetermined height position of the support column 2, the locking hole 8 located above the wiring duct cover 6.
And the locking member 1d so as to fit the locking portion 11d.
1 is attached to each of the right and left columns.

Here, the lower surfaces of the base piece 11a, the bent piece 11b, and the contact piece 11e of the retaining member 11 attached to the left and right columns 2 are in contact with the upper surface of the wiring duct cover 6, and Since the left and right ends are held between the retaining member 11 and the wiring duct 5 which are integrally attached to the support column 2 and the vertical movement is restricted, the vertical movement of the wiring duct cover 6 is reduced. The deviation from the wiring duct 5 is prevented.

As described above, simply attaching the retaining member 11 to the column 2 not only prevents the wiring duct cover 6 from deviating from the upper surface of the wiring duct 5 but also ensures that the retaining member 11 is elastically deformed. Possible holding strips 11c on both sides
The wiring duct cover 6 can be easily opened and closed because the locking portion 11d provided on the support member 2 can be attached to and disengaged from the locking hole 8 so that the wiring duct cover 6 can be mounted on the support post 2. Therefore, the wiring duct 5
Wiring work inside becomes easy.

Next, a second embodiment of the present invention will be described with reference to FIG. The configuration other than the wiring duct cover 20 of the present embodiment is the same as that of the first embodiment described above.
By attaching the same reference numerals, detailed description here will be omitted.

The wiring duct cover 20 includes a cover member 20.
a and an outlet 24, a concave portion 21 opening upward is provided in the cover member 20a in the left-right direction, and a guide rail 22 projects from the upper end edge of the concave portion 21 to the center. It is formed as follows. An outlet 24 described later is provided at the bottom of the recess 21.
An insertion hole 23 for inserting a power cord C ′ extending from the cover member 20a is formed along the longitudinal direction of the cover member 20a.

A power plug 2 is provided above the outlet 24.
An insertion port 24a into which the guide rail 5 is inserted is provided, and a guide groove 24b into which the guide rail 22 is inserted is provided on the side surface in the left-right direction.

The outlet 24 thus formed is
It is slidably mounted in the longitudinal direction of the cover member 20a by the guide rail 22.

In the device for preventing the wiring duct cover from coming off in the present embodiment configured as described above, the outlet member 24 that is slidable in the longitudinal direction is attached to the cover member 20a. Since the power plug 25 can be inserted at a desired position without removing the power plug 20, the usability is improved, and when the power plug 25 is pulled out, the disconnection preventing member 11 prevents the wiring duct cover 20 from coming off.

Although the embodiments of the present invention have been described with reference to the drawings, the specific structure is not limited to these embodiments, and even if there are changes and additions without departing from the gist of the present invention. Included in the invention.

For example, although the stopper member 11 in the above embodiment is formed of a stainless steel material, it may be formed of a synthetic resin or the like.

Further, the contact piece 11 e is
Although it is provided at the lower end of the folded piece 11f of the bent piece 11b, it may be provided at the lower end of the base piece 11a.

The present invention has the following effects.

(A) According to the first aspect of the present invention, the locking device is integrally attached to the left and right columns by locking the locking portion in the locking hole of the column, and the wiring duct is provided. The cover is sandwiched between the contact portion of the retaining device and the wiring duct, and the up and down movement is restricted, so that rattling in the vertical direction and deviation from the wiring duct are prevented.

(B) According to the second aspect of the present invention, since the larger surface of the retaining device is pressed against the upper surface of the wiring duct cover, the wiring duct cover is securely locked to the wiring duct. .

(C) According to the third aspect of the present invention, since the vertical width of the locking portion and the vertical width of the locking hole of the post coincide with each other, when the locking portion is locked in the locking hole. In addition, since the vertical movement of the locking portion of the retaining device is restricted, the rattling of the wiring duct cover in the vertical direction is reliably restricted.

(D) According to the invention of claim 4, the power plug can be inserted without removing the wiring duct cover, and when the power plug is pulled out, the wiring duct cover is detached by the retaining device. There is no.

[Brief description of the drawings]

FIG. 1 is a partially cutaway view of a work table to which a device for preventing a wiring duct cover from coming off according to the present invention is applied.

FIG. 2 is a partially cutaway view of a mounting location of a wiring duct and a wiring duct cover in FIG. 1;

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a sectional view of FIG. 2;

FIG. 5 is a partially cutaway view showing a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 work table 2 support 2a side 2b side 2c outer side 2d inner side 2e inner side 3 bracket 4 top plate 5 wiring duct 6 wiring duct cover 6a bent piece 6b folded piece 6d notch 7,8 locking hole 9 insertion hole 10L Character member 10a Bottom plate 10b Side plate 10c Bending piece 10d Locking piece 10e Locking claw 11 Detachment member (stopping device) 11a Base piece 11b Bending piece 11c Nipping piece 11d Locking portion 11e Contact piece 11f Folding piece 20 Wiring duct cover 20a Cover member 21 recess 22 guide rail 23 insertion hole 24 outlet 24a insertion port 24b guide groove 25 power plug C cords C 'power cord

Claims (4)

[Claims] 1. A device for preventing a wiring duct cover from being detached from a work table or the like in which a top plate is fixed to a column that is separated to the left and right, wherein the device is configured to sandwich a base piece and the column. And a bent portion formed at a predetermined position of the bent portion so as to be bulged inward so as to be locked by a locking hole formed in the support post. Alternatively, a device for preventing the wiring duct cover from coming off, wherein the lower end of the bent piece is a contact portion. 2. The wiring duct cover according to claim 1, further comprising a flat contact piece on a part of the base piece or the bent piece of the device for preventing the device from coming off. apparatus. 3. The device for preventing a wiring duct cover from coming off according to claim 1, wherein the upper and lower widths of the locking portion are substantially equal to the upper and lower widths of the locking holes of the pillar. 4. The device according to claim 1, wherein the wiring duct cover has an insertion port for a power plug.