JPH0516253Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a line-of-sight guide sign for a shading net that is directly attached to a shading net stretched over a median strip of a road.

<Prior art> Conventionally, line-of-sight guideposts, which are commonly used traffic control facilities, are either mounted on separate mounting legs on the top of guardrails installed on both sides of the road, or
It is attached using mounting legs placed directly on the upper edge of the guardrail. In this case, the line guide sign E has a structure of a so-called reflective body in which a disk made of glass or synthetic resin with reflective grooves engraved on the back surface is fitted into a receiving frame coated with reflective paint. This line-of-sight guiding mark E is located in front of the light-shielding net and above the guardrail in the median strip (see FIG. 7).
That is, the line-of-sight guide mark placed in the median strip is a separate installation work from the light-shielding net.

<Problems to be solved by the invention> As described above, the line-of-sight guide signs and the shading nets have to be installed separately, which is troublesome and double-time-consuming. Furthermore, this line-of-sight guide has a complicated structure with a mirror structure, and therefore has the disadvantage of being expensive.

In view of the above-mentioned circumstances, the object of the present invention is to provide a simple type of line-of-sight guiding sign whose main body is a lightweight reflective piece using a synthetic resin member and which can be directly attached to a light-shielding net.

<Means for solving the problem> The present invention is a synthetic resin line-of-sight guiding specimen body that has a flat triangular cross section with a thick wall at the front and a thin wall at the rear, which is the direction of movement when attached to a light-shielding net. and the entire inner part of this inclined surface,
A reflective groove is carved, and a vertical reflective wavefront is provided in the entire area of the reflective groove to form a reflective layer, and the back surface of the line-of-sight guiding specimen is made flat and is faced to the opposite side via a light-shielding net. This is a removable visual guide with a mounting surface that connects with the visual guide.

<Function> Due to the above-mentioned configuration, the line-of-sight guide marks are installed by placing two pieces facing each other in a predetermined position on the light-shielding net stretched over the median strip, and blocking the line-of-sight guide marks with appropriate mounting members. Attach the net as a wedge. In this case, each line-of-sight guide mark is arranged so that the thick side faces forward in the direction of travel.

Therefore, in the headlights of a moving car, the thick part of the line guide is located in front of the vehicle in the direction of travel, and the reflective layer protrudes inward (towards the road), making it substantially wide. The light beam enters the driver's line of sight and confirms the road alignment. Furthermore, since the reflective layer has a wavefront as a whole, it can sequentially receive reflected light as the vehicle moves from a distant location to an approaching location. In addition, this line-of-sight guide mark is lightweight and can be attached directly to the shade net, making the installation work of the line-of-sight guide simple.

<Example> Hereinafter, the present invention will be described in detail based on the drawings of the example.

1 has a thick wall 1a at the front in the direction of movement of the car and a thin wall 1 at the rear.
A synthetic resin line-of-sight guide specimen body having a rectangular shape and a flat triangular cross-section, denoted by b, with prism-cut reflective grooves 3 carved throughout the inner side of a transparent cover portion 2a that forms the inclined surface 2 of the line-of-sight guide specimen body 1. At the same time, a vertical reflective wavefront 4 is formed on the entire reflective groove 3, and the reflective groove 3 and the reflective wavefront 4 form a reflective layer 5, and the thickness of the flat back surface 6, which is the mounting surface of the line-of-sight guide specimen 1, is A mounting leg 7 with a locking head 7a at the tip that serves as a mounting member is provided protrudingly on the thick side, and a receiving hole 8 for the opposing line-of-sight guide mounting leg is bored on the thin-walled side. It becomes 9. Reference numeral 10 denotes a protrusion formed on the flat back surface 6 to prevent the net from sliding.

To explain this effect now, first of all, in forming this line-of-sight guide mark 9, one end is made thick 1a and the other end is made thin 1b, and the reflective groove 3 and the reflective wavefront 4 are placed on the slope side and the reflective wavefront 4 is placed on the flat side. A mounting leg 7 is integrally formed with a synthetic resin member to form a line-of-sight guide specimen 1, and a cover part 2a serving as a plate strip is fitted along the inclination on the entire surface of this reflected wave surface 4 side to form a line-of-sight guide mark 9 as an overlapping inclined surface 2. do.

When installing this line-of-sight guide mark 9, the shielding part 11a and the ventilation mesh 11b are attached to the net support D disposed near the support C of the guardrail B in the median strip A using known means in advance so that the shielding part 11a and the ventilation mesh 11b as a whole are arranged vertically and vertically. Woven and woven light-shielding nets 11 are stretched in a staggered manner on the left and right, and are attached to the light-shielding nets 11 at a predetermined position (for example, at eye level h of a driver in a passenger car). In this case, two line-of-sight guide marks 9 are arranged at predetermined positions of the light-shielding net 11, with the thick side facing forward in the direction of travel, and one of the mounting legs 7 is inserted through the ventilation mesh 11b of the light-shielding net 11, and the other is When inserted into the receiving hole 8, the tip of the mounting leg 7 forms a locking head 7a, so it can be fixed with one touch.

Here, the driver of the vehicle that can travel must ensure that the line-of-sight guide 9 attached to the light shielding net 11 is at the driver's eye level, and that there is a thick wall 1a in front of the vehicle in the direction of travel.
The reflective layer 5 is arranged so that the reflective layer 5 is inclined, and the reflective portion as a whole is substantially enlarged when viewed from the rear (driver side), so that a large amount of reflected light a is provided to the driver. Moreover, since the entire reflective layer 5 has a waveform (longitudinal wave) in the direction of travel, the reflected light a that follows the transition of the light ray from a distant place to a nearby position can be obtained, and the road alignment can be accurately grasped. It is possible. This is particularly effective on expressways and the like.

Of course, since the light-shielding net 11 to which the line-of-sight guide mark 9 is attached has a light-shielding property, it eliminates the glare caused by the headlights of oncoming vehicles at night.

<Effects of the invention> As mentioned above, the line guide for light-shielding nets of the invention has a thick wall at one end and a thin wall at the other end with an inclined surface, and the inner part of this inclined surface is made of a reflective groove with a reflective groove. By adopting a reflective layer configuration with a wave front,
The reflective area is substantially expanded toward the front in the direction of travel, and combined with the following refraction of the reflected wavefront, it is possible to continuously receive reflected light from an extremely far distance to an approaching position, and it can be used as a line-of-sight guide on an expressway. Optimal. In addition, the means for attaching to this light-shielding net can be constructed by arranging a mounting leg with a locking head on the flat back side of the main body and inserting it into the receiving hole of another sight guide placed oppositely, or by having receiving holes on both sides. It may also be installed in a bolted configuration. The point is that it is only necessary to attach it to a predetermined position after the shading net is stretched, and the interval between the attachments can be easily changed. Moreover, since the main body itself is made of synthetic resin and has a lightweight finish, it does not cause the light shielding net to loosen. Furthermore, the good thing about this line-of-sight guide sign is that it is not placed on the guardrail but directly under the light shielding net, so it has practical effects such as extremely good workability and low cost.

[Brief explanation of drawings]

Fig. 1 is a front view, Fig. 2 is a side view, Fig. 3 is a sectional view, Fig. 4 is an illustration of the installation state on the light shielding net, Fig. 5 is an illustration of the reflected light, and Fig. 6 is an illustration of the reflected light. FIG. 7 is a perspective view of the conventional line guide sign in its installed state. 1... Gaze guiding specimen body, 1a... Thick wall, 1b...
...thin wall, 2...slanted surface, 3...reflection groove, 4...
Reflected wavefront, 5... Reflective layer, 6... Flat back surface.

Claims (1)

[Scope of utility model registration request] A synthetic resin line-of-sight guidance specimen body with a flat triangular cross section is formed, with a thick wall at the front in the direction of travel and a thin wall at the rear, and reflective grooves are carved on the inside of this inclined surface, and A line-of-sight guide sign for a light-shielding net, in which a reflective layer with a reflected wavefront is formed, and the flat back surface of the line-guidance specimen is used as a mounting surface on the light-shielding net side.