JPH06248618A - Sign post on roadway - Google Patents

Abstract

PURPOSE:To increase visual function and facilitate replacing by protecting a reflection sheet from stains of dusts and damage. CONSTITUTION:A reflection sheet 12 is fitted to a post body 10 and at least the part of the reflection sheet 12 of the full length of the post body 10 is covered with a cylindrical transparent protection cover 15 from the outside. And the upper end of the transparent protection cover 15 is closed by a lid or a cap 24. This transparent protection cover is fixed detachably to the upper part of the post body at the lid or the cap by means of fastening members (fixing pin 17, bolt 19, wooden screw 21, etc.).

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road marking pillar used for a center line, a lane change line, a lane, and the like of a road.

[0002]

2. Description of the Related Art Generally, as a road signpost of this type,
There are a fixed type embedded on the road surface, a road surface standing type, and the like, and as the material of the pillar main body, a hollow molded product made of a rubber material or a plastic material is used in addition to a hollow pipe made of metal. On the outer peripheral surface of these hollow pillar main bodies, a reflective sheet that is illuminated and reflected by the night illumination light of the vehicle is intermittently stuck in the vertical direction of the pillars, or the luminous paint is directly applied to the outer circumference of the pillar main body. It is used as a sign.

By the way, in such conventional road sign posts, there is a problem that the reflective sheet is damaged or peeled off due to a vehicle collision. Further, it is difficult for the reflection sheet to be contaminated by the weather and dust, and the visibility is lowered, and the original marking function is significantly impaired. As a means for cleaning the dirt on the reflection sheet, it is necessary to wipe it off depending on the human power, or to use a special cleaning machine.However, if it is extremely dirty, it may not be usable. There is. Further, during cleaning, peeling of the reflective seal may occur, which may make the work difficult. Therefore, in addition to the cost of repair work, it is necessary to regulate traffic for safety during work, but it is not possible to frequently regulate traffic at places with high traffic volume, and even if it is done, it will be short Work is required. In addition, there is a problem that stains may occur early even if washed in a place with heavy traffic or inside a tunnel. Further, in addition to dirt, there is also a problem that the reflection sheet itself deteriorates due to wind and rain, exhaust gas, etc., which also causes the life of the reflection sheet to be significantly reduced.

[0004]

SUMMARY OF THE INVENTION The object of the present invention has been improved in order to eliminate such a problem, and protects the reflection sheet from dirt and damage such as dust to maintain the visibility function, and Replacement is to provide improved road signposts easily.

[0005]

A road sign post according to the present invention comprises a post main body and a reflective sheet attached to the post main body, wherein at least a portion of the post of the post main body is a tubular transparent protective cover from the outside. The cover portion or the cap portion, which is covered with the transparent protective cover and closes the upper end of the transparent protective cover, is detachably fixed to the upper portion of the column main body by a fastening member.

[0006]

After the road surface is installed, the outer transparent protective cover protects the dirt and dust from dirt and maintains the function of the reflective sheet of the pillar body. If the transparent protective cover cannot be used due to dirt, damage or damage, remove the fastening member and simply remove the transparent protective cover from the column body and replace it.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a road sign post according to the present invention will be described below with reference to the drawings. FIG. 1 shows an assembled front view of a first embodiment according to the present invention in a partial cross section. The pillar main body 10 of the road sign pillar is hollow-molded with a rubber material, a plastic material, or a metal, and is fixedly or detachably installed on a road surface below the drawing with a pedestal 11. The column main body 10 is provided with a reflection area band over substantially the entire length thereof or only in the upper half thereof, and in the embodiment, the reflection sheets 12 are provided at intervals as illustrated. The reflection sheet 12 is reflected by the light of the illumination light of the vehicle running at night so that the driver can visually recognize the sign. Further, in order to reinforce the entire pillar main body 10, a reinforcing pipe 13 is doubly inserted and fitted to the lower pedestal 11 inside. The top end apex of the pillar main body 10 is closed by a lid member 14, and the lid member 14 is originally intended to prevent rainwater dust from entering the pillar, but a transparent protective cover 15 described below. It is also a member that serves as a base for fixing the column to the pillar body 10.

The column main body 10 is covered with a transparent protective cover 15 in the range of the length in which the reflection sheet 12 is provided. The transparent protective cover 15 has a cylindrically shaped upper end having a closed lid portion 15a, and a through hole through which a fastening member to be described later is inserted is provided in the central portion of the lid portion 15a. The lower end of the transparent protective cover 15 is opened, and dust and rainwater are prevented from entering the reflective sheet 12 through the seal material 16 formed by an O-ring fitted between the transparent protective cover 15 and the outer peripheral surface of the column main body 10. It is designed to maintain liquid tightness that prevents it.

Polyethylene terephthalate is used as the material of the transparent protective cover 15 in the embodiment, but other materials such as polyethylene, polypropylene, polyurethane and vinyl chloride can also be used.
An O-ring was used as the seal material 16,
The material and shape are not particularly limited as long as the desired sealability is obtained.

The transparent protective cover 15 has a lid 15 at the upper end.
It is adapted to be fixed to the lid member 14 of the column main body 10 at a by using a fastening member. As the fastening member, for example, a polyurethane rubber is molded into a retaining pin 17 having a head portion 17a as shown in the drawing, and an arrow-shaped engaging portion 17b is provided at the tip of the retaining pin 17. Further, the lid member 14 of the pillar main body 10 is embedded with a pin receiver 18 with a locking hole of a mating member into which the stop pin 17 is driven, and the stop pin 17 is driven into the pin receiver 18 to undercut the locking portion 17b. Transparent mating cover by fitting
It is a structure for fixing 15 to the pillar body 10. Pin receiver 18
Polyurethane rubber is also used for this.

As the fastening member, as shown in the enlarged cross-sectional view of FIG. 2, an ordinary iron or plastic bolt 19 that replaces the stop pin 17 may be used. When this bolt 19 is used, it is screwed with the mating partner. Is a pillar body 1
It is embedded in the 0-side lid member 14. That is, the transparent protective cover 15 is fixed to the column main body 10 by inserting the bolt 19 into the central through hole 15b of the lid portion 15a of the transparent protective cover 15 and screwing the bolt 20 into the nut 20.

Further, a wood screw 21 as shown in the enlarged sectional view of FIG. 3 may be used as the fastening member. In this case, the mating partner of the wood screw 21 is made of resin or the like having an inner diameter capable of being screwed. The pipe member 22 is provided by being embedded in the lid member 14.

On the other hand, FIG. 4 shows a second embodiment of the present invention. In this second embodiment, the transparent protective cover 15 with the upper end cover 15a shown in FIG. 1 as the previous embodiment is replaced. ,
In consideration of formability, the transparent protective cover 23 is formed into a tubular shape with both upper and lower ends opened, and a cap 24 is provided at the upper end opening.
Are fixed together by fitting. This cap 24
Also, a through hole for inserting a pin is provided in the center, and the stopper pin 17 with the same head 17a as that shown in FIG.
Pin receiver 18 in which 7b is embedded in the lid member 14 of the pillar main body 10
By under-cut fitting by driving into
The transparent protective cover 15 is fixed to the pillar body 10.

With the above structure, the pillar main body 1 is installed after the road is installed.
Since the reflective sheet 12 of 0 can be seen through from the outside through the transparent protective cover 15, the light of the illumination light of the vehicle running at night can be reflected and made visible to the driver.
If the vehicle collides, the outer transparent protective cover 15 (23) may be damaged or damaged depending on the degree of the collision, but the reflection sheet 12 of the inner pillar body 10 may be damaged. It can maintain its function as a marker if it is not damaged. The damaged transparent protective cover 15 is easily replaced by cutting the retaining pin 17 on the upper side and removing it from the extraction column main body 10. If dust or mud adheres to the transparent protective cover 15 and becomes dirty, the visibility of the reflection sheet 12 of the column main body 10 can be maintained if the dirt can be wiped off and removed. Transparent protection cover-1 for those that cannot remove dirt
Replace 5.

[0015]

As described above, since the road marking pillar according to the present invention protects the reflective sheet of the pillar body from the outside by covering it with a transparent protective cover, it also has a transparent protective cover.
Since it has a mounting structure that can be easily attached to and detached from the pillar main body, dirt and dirt can maintain the visibility function without reaching the reflection sheet, and when it is damaged by a vehicle collision or the degree of dirt In some cases, only the transparent protective cover on the outside is replaced, and the troublesome work of cleaning and replacing dirt can be saved as in the conventional case.

Conventionally, peeling of the reflection sheet occurs during cleaning, which makes it difficult to carry out the cleaning work. However, by attaching the transparent protective cover of the present invention, peeling occurs. It becomes easy and the work becomes easy. Furthermore, the deterioration due to wind and rain or exhaust gas can be effectively prevented by attaching the transparent protective cover, and the life of the reflection sheet can be significantly improved.

[Brief description of drawings]

FIG. 1 is an assembled front view of a first embodiment of a road marking pillar according to the present invention with a partial cross section.

FIG. 2 is a partially enlarged sectional view of another mounting structure for the transparent protective cover of the first embodiment.

FIG. 3 is a partially enlarged sectional view of another mounting structure for the transparent protective cover of the first embodiment.

FIG. 4 is an assembled front view of a second embodiment of the road marking pillar according to the present invention, with a partial cross section.

[Explanation of symbols]

 10 Pillar Main Body 11 Pedestal 12 Reflective Sheet 13 Reinforcement Pipe 14 Lid Member 15 Transparent Protective Cover 15a Lid 16 Seal Member 17 Stop Pin 17b Engagement 18 Pin Receiving

Claims (2)

[Claims] 1. A road sign pole having a reflection sheet attached to a pillar body, wherein at least a portion of the reflection sheet in the entire length of the pillar body is covered with a cylindrical transparent protective cover from the outside.
A road sign post characterized in that a lid portion or a cap portion closing the upper end of the transparent protective cover is detachably fixed by a fastening member. 2. The road marking pillar according to claim 1, wherein a sealing material is fitted between the outer peripheral surface of the pillar main body and the lower opening of the transparent protective cover.