JPH07310307A - Sign for repair work of road - Google Patents

Abstract

PURPOSE:To reduce a necessary space for transportation and storage and change only indicating signs. CONSTITUTION:In a sign board for a road work, in which the right and left indication panels 1, 2 are connected through a hinge 3, the hinge 3 is provided with a first hinge-constituent plate 4 and a second hinge-constituent plate 5. An insertion part 7 having upward protrusive arc-formed external face 7a on the cross-section at the upper end of the second hinge-constituent plate 5 and a guide 6 having a downward recessive arc-formed internal face 6e on the cross-section and having a narrower opening width L than the insertion width W at the upper end of the first hinge-constituent plate 4. The insertion part 7 of the second hinge-constituent plate 5 is inserted in the guide 6 of the first hinge-constituent plate 4 and the upper parts of both indication panels 1, 2 are detachably fitted to the external side faces of the panels 4, 5 respectively. Both indication panels can be folded and opened at a required angle.

Description

Detailed Description of the Invention

[0001]

FIELD OF THE INVENTION The present invention relates to a road construction sign.

[0002]

2. Description of the Related Art As shown in FIG. 5, a plate-like body (21) is bent from its central portion to the left and right,
An arrow mark (23) was drawn on (22) to show the direction of the road construction.

[0003]

In the case of the above-mentioned road construction sign, since the whole is integrally molded, it is unavoidable to handle it as it is, and it requires a large space for storage and transportation. There was a problem such as the small number that can be transported to.

Further, since the display such as the arrow display (23) is integrally drawn on both side surfaces (22), there is also a disadvantage that the mark must be prepared for each different display.

It is an object of the present invention to provide a road construction sign which requires less space for transportation and storage and can change only the displayed content of the sign.

[0006]

A road construction sign of the present invention is a road construction sign in which left and right display panels are connected by a hinge, and the hinge includes a first plate-shaped hinge component member and a second plate. -Shaped hinge component, a fitting portion having a convex arcuate outer surface in cross section is provided at an upper end of the second plate hinge component, and a concave arcuate inner surface having a cross section downward in cross section is provided at an upper end of the first plate hinge component. A guide part having an opening width narrower than the width of the fitting part is provided, and the fitting part of the second plate-shaped hinge component is inserted into the guide part of the first plate-shaped hinge component. The upper portions of both display panels are detachably attached to the outer surfaces of the plate-shaped hinge component and the second plate-shaped hinge component, and both display panels are foldable and open at a predetermined angle. There is something.

[0007]

According to the road construction sign of the present invention, since the left and right display panels are provided with the above-mentioned hinges at the upper ends thereof, the left and right display panels can be folded when not in use, while both displays are in use. The panel can be opened at an angle and placed on the road. In addition, since the upper portions of both display panels are detachably attached to the outer surfaces of the first plate-shaped hinge constituent member and the second plate-shaped hinge constituent member, the respective display panels having different display contents on the front and back sides can be provided. They can be respectively inverted and attached to the outer surfaces of the first plate-shaped hinge component and the second plate-shaped hinge component, or can be replaced with another display panel.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is applied to a guide sign for displaying a traveling direction during road construction will be described with reference to the drawings.

As shown in FIGS. 1 to 4, a guide sign in which left and right display panels (1) and (2) are connected by a hinge (3), the hinge (3) having a first plate-like hinge configuration. The member (4) and the second plate-shaped hinge component (5) are provided, and the upper end of the second plate-shaped hinge component (5) is provided with a fitting portion (7) having an outwardly convex arcuate outer surface (7a) in cross section. First plate-shaped hinge component
The upper end of (4) has a concave arcuate inner surface (6e) with a downward cross section, and its opening width (L) is narrower than the width (W) of the fitting part (7).
(6) is provided, and the guide portion of the first plate-shaped hinge component (4)
The fitting portion (7) of the second plate-shaped hinge component (5) is inserted in (6), and the outer surfaces of the first plate-shaped hinge component (4) and the second plate-shaped hinge component (5) are inserted. Each has a display panel
The upper portions of (1) and (2) are detachably attached, and both display panels (1) and (2) are foldable and open only about 55 degrees.

An arrow mark (7) indicating the traveling direction is drawn on the outer side surface of the display panels (1) and (2), and a different display is drawn on the inner side surface.

The hinge (3) is made of extruded aluminum profile. The leading end side opening edge (6a) of the guide portion (6) in the first plate-shaped hinge component (4) is made thick and the tip surface (6b) has a large area. A step is provided at the base end (6c) of the guide (6).
(6d) is provided so that the display panel (1) is flush with the outer surface of the guide portion (6). On the base end side of the fitting portion (7) of the second plate-shaped hinge component member (5), a receiving portion (7a) with which the tip surface (6b) of the first plate-shaped hinge component member (4) abuts is provided. The display panel (2) is fitted in the fitting part as above.
(7) and the receiving part (7a) are flush with each other.

The opening width (L) of the guide portion (6) of the first plate-shaped hinge component (4) is greater than the width (W) of the fitting portion (7) of the second plate-shaped hinge component (5). Is also narrowed, so the first
From the side of the guide portion (6) of the plate hinge component (4) to the second side
Both members are fitted together by inserting the fitting portion (7) of the plate-shaped hinge component (5).

A locking groove (8) (see FIG. 4) is provided on the outer peripheral surface of the fitting portion (7) of the second plate-shaped hinge component (5) and corresponds to the locking groove (8). First plate hinge component
A first female screw hole (9) is formed in the guide portion (6) of (4), and a set screw (10) is inserted into the first female screw hole (9). Then, as the tip of the set screw (10) enters the locking groove (8), the sliding of the fitting part (7) in the guide part (6) is prevented, and as a result, the fitting part (7) is guided. It cannot be removed from the part (6).

First plate-shaped hinge component (4) and display panel
Second and third female screw holes (11) and (12) communicating with each other are formed in (1), and the third and third female screw holes (5) and the display panel (2) also communicating with each other. 4th female screw hole (14) (15)
And the display panels (1) and (2) are detachably attached by inserting screws (13) into these female screw holes. Further, a rivet or the like may be used instead of the screw (13).

According to the guide sign of the above embodiment, when it is not used, it can be folded as shown in FIG. On the other hand, at the time of use, by opening both display panels (1) and (2), the guide portion of the first plate-shaped hinge component (4)
The tip surface (6b) of (6) is the receiving portion of the second plate-shaped hinge component (5).
Both display panels (1) and (2) are opened to about 30 ° by contacting with (7a). At this time, since the tip end surface (6b) of the guide portion (6) and the receiving portion (7a) are in contact with each other over a wide area, the open state of both display panels (1) and (2) is stably maintained.

Further, in the case of the guide sign of the above example, since both display panels (1) and (2) are attached flush with the hinge (3) as described above, the appearance is good.

Further, by removing the screw (13), both display panels (1)
Different display contents can be obtained only by inverting (2).

In addition to the above, in the above embodiment, the display panel (1)
The opening angle of (2) was about 55 degrees, but it goes without saying that the sign can be changed to any angle that allows it to stand on the road.

[0019]

Since the road construction sign of the present invention can fold the left and right display panels when not in use, the space required for transportation and storage can be greatly reduced as compared with the conventional sign of this kind. . Further, when used, both display panels can be opened at a predetermined angle and placed on the road. That is, the road construction sign of the present invention can be folded when not in use, opened at a predetermined angle when used, and can be immediately set on the ground without requiring a troublesome operation.

Further, according to the sign of the present invention, the respective display panels having different display contents on the front and back sides are respectively inverted and attached to the outer surfaces of the first plate-shaped hinge constituent member and the second plate-shaped hinge constituent member, Alternatively, it can be easily replaced with another display panel. Therefore, it is not necessary to prepare a marker for each different display as in the conventional case.

[Brief description of drawings]

FIG. 1 is a perspective view of a road construction sign according to the present invention.

FIG. 2 is an enlarged transverse cross-sectional view of a hinge portion showing a state where left and right display panels are opened.

FIG. 3 is an enlarged cross-sectional view of a hinge portion showing a state in which the left and right display panels are folded.

FIG. 4 is a partially enlarged perspective view of a second hinge component member.

FIG. 5 is a perspective view showing a conventional example.

[Explanation of symbols]

 (1) (2) Display panel (3) Hinge (4) First plate hinge component (5) Second plate hinge component (6) Guide part (6a) Cross section downward concave arc inner surface (7) Fitting Part (7a) Convex arcuate outer surface (L) Opening width of guide part (W) Width of fitting part

Claims (1)

[Claims] 1. The left and right display panels (1) (2) are hinges (3)
A road construction sign connected by
(3) is provided with a first plate-shaped hinge constituting member (4) and a second plate-shaped hinge constituting member (5), and an upper end of the second plate-shaped hinge constituting member (5) has an upwardly convex arcuate outer surface (7a) in cross section. ) Is provided, and the first plate-shaped hinge component (4) has a concave arc-shaped inner surface (6e) having a downward cross section at the upper end thereof, and the opening width (L) thereof is the fitting portion (7). ) Is provided narrower than the width (W) of the second plate hinge component (5), and the guide part (6) of the first plate hinge component (4) is fitted into the fitting part (7) of the second plate hinge component (5). ) Is inserted, the first plate-shaped hinge component (4) and the second plate-shaped hinge component (4)
The upper parts of both display panels (1) and (2) are detachably attached to the outer surface of (5), and both display panels (1) and (2) are foldable and open at a predetermined angle. Signs for road construction being done.