JP2002363931A - Road marker pole - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve stable fixing strength while reducing manufacturing and maintenance cost by composing it in a three-parts assemblage structure, and improve durability as a whole body by reducing damage. SOLUTION: A pole main body 1 in a hollow form which can be bent and deformed by other things getting in touch or colliding with it, a base 2 comprising a protruded part 2A which can be engaged inside a lower end part of the pole main body 1, and a circular grounding part 2B onto a road surface, and a ring 3 comprising an inner hole 3a which can be engaged with the pole main body 1 on the outside of it, and a circular part 3A to face the circular grounding part 2B of the base are manufactured as separate parts from each other. The circular grounding part 2B of the base 2 and the circular part 3A of the ring 3 engaged with the pole main body 1 on the outside of it are fastened and fixed to each other through bolts 4 in such a way as to hold and fix a circular lower end part 1c of the pole main body 1 between the circular parts 2B and 3A. The whole body is thus assembled.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a road signpost which is used by being installed on a road surface such as a center line of a road, a junction of lanes, and a separation point of a sidewalk. More specifically, a hollow pole body made of a material having elasticity and restoring force capable of bending and deforming so as to protect a vehicle and an occupant by absorbing a shock when a vehicle or the like contacts or collides, and a pole. A base having a protruding portion fitted inside the lower end opening of the main body and a grounded annular portion to the road surface; and a base for externally fitting to the pole body and pressing and fixing the lower end annular portion of the pole body to the grounded annular portion of the base. The present invention relates to a road signpost including a ring and three parts.

[0002]

2. Description of the Related Art As a road sign post of this type, there has been conventionally known a pole sign, a base and a ring, which are separately manufactured as independent parts from each other, and which can be assembled with the three parts. ing.

[0003] In such a prefabricated road signpost, a plurality of types of bases are prepared in accordance with a plurality of types of installation methods on a road surface, while parts such as a base and a pole body are shared. As a result, it is not necessary to separately make road signposts having bases corresponding to the road surface, and it is possible to make an efficient and economical production plan, and to partially use the vehicle in a use mode due to a vehicle collision or the like. In the case of breakage, only the part including the damaged part needs to be replaced, so there is an advantage that the maintenance cost can be reduced. At present, a three-part assembly type road signpost is mainly used.

Conventionally, as a means for assembling three parts of a three-part assembly type road sign post, a projection portion of a base is press-fitted inside a lower end opening of a pole body, and a ring is press-fitted to a pole body outside. Then, a structure in which an adhesive is interposed between the respective inner and outer fitting portions to adhere and fix the pole body, the base, and the ring respectively, and the pole body and the ring are integrally formed by injection,
A structure in which the integrally molded product and the base are fixed with screws or an adhesive, and the pole body is made of a material having elastic restoring force such as urethane in a hollow form, while the base and the ring are made of a hard material such as polypropylene. The grounded annular portion of the base made of hard material, the annular portion of the ring, and the lower annular portion of the pole body overlap, and a plurality of bolts are passed through the annular portion of the three overlapping parts to fasten the three parts. Either fixed structure was adopted.

[0005]

However, among the above-mentioned assembling means, in the case of the assembling means in which the parts are press-fitted and fixed with an adhesive, it is difficult to apply the adhesive uniformly. In addition to the fact that a predetermined fixing strength cannot be obtained due to the variation of the adhesive, the use of an adhesive necessitates a base treatment such as puffing, sandblasting, primer, and degreasing, which tends to increase the cost. Also,
In the case of, not only is it necessary to use a large molding machine to integrally mold the pole body and ring, but also if only one of the pole body or ring is damaged because it is finally two parts However, it is necessary to replace the entire integrally molded product, which is not preferable in terms of maintenance costs. In particular,
Simply fixing the integrally molded product (pole body + ring) and the base with a screw or an adhesive does not provide sufficient strength for installation and fixing on a road surface. For example, a vehicle or the like is caught on the pole body and the pole body is pulled. When this happens, the ring part easily comes off the base, and the pole body falls down, easily losing its function as a road sign. Furthermore, in the case of (2), since it is necessary to form a plurality of bolt insertion holes in the lower annular portion of the pole body, when a collision force or a tensile force is repeatedly applied to the pole body, the lower annular portion is torn from the hole. There is a problem with the durability of the pole body such as damage.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and secures stable fixing strength and reduces breakage while securing the effects of reducing the production cost and maintenance cost due to the three-part assembly type. It is an object of the present invention to provide a road sign pole capable of improving the overall durability.

[0007]

In order to achieve the above object, a road signpost according to the present invention comprises a hollow pole body which can be bent and deformed by contact or collision of another object, and a lower end of the pole body. A road signpost comprising: a base having a protruding portion that can be fitted inside and a grounded annular portion to the road surface; and a ring having an inner hole that can be fitted into the pole body and an annular portion facing the grounded annular portion of the base. Wherein the pole body, the base, and the ring are manufactured as independent parts from each other, and a grounded annular portion of the base in which a protruding portion is internally fitted to a lower end portion of the pole body and an annular portion of a ring which is externally fitted to the pole body. The lower end annular portion of the pole body is clamped and fixed between the grounded annular portion of the base and the annular portion of the ring by fastening and fixing the lower portion of the base via a screw member from below the base. And it is characterized in that the whole was assemblable configured.

According to the present invention having the above structure, the pole body,
Since the base and the ring are configured as a three-part assembly type, which are independent parts from each other, according to the installation method on the road surface,
Eliminates the need to separately create multiple types of road signposts with corresponding bases, making it possible to create an efficient and economical production plan by sharing parts consisting of the pole body, base and ring In addition, if a part of the vehicle is damaged due to collision or stepping on the vehicle in use, only the part including the damaged part may be replaced.
Maintenance costs can also be reduced.

Further, no adhesive is used for assembling and fixing the three parts, and the lower end annular portion of the pole body is sandwiched and fixed between the grounding annular portion of the base and the annular portion of the ring by fastening and fixing the annular portion. Therefore, a base treatment such as sand blasting is not required, so that the assembly cost can be reduced, and a predetermined fixing strength can be obtained stably by controlling the tightening torque of the screw member. Besides,
The lower annular part of the pole body is sandwiched and fixed,
Since there is no need to form a bolt hole or the like therewith, even if a collision force or a tensile force is repeatedly applied in a use mode, the hole is hardly torn and broken, and the overall durability can be improved.

[0010] In the road sign post having the above structure, claim 2 is provided.
As described in the above, as the base, a through hole of a fastening screw member for fixing the base to the road surface by screwing it into an anchor member embedded in the road surface and an adhesive for bonding and fixing the base to the road surface In this configuration, a single base can be commonly used for the base for screwing on the road surface and the base for the bonding type on the road surface. The number of types of bases corresponding to the method can be reduced, and the production efficiency can be further improved.

Further, in the road sign post having the above structure, an air hole is formed in the pole body, and water that has entered the base from the air hole can be discharged to the road surface. By forming a vent hole, the bending action and elastic restoration properties of the pole body are further improved by the respiration action of the air hole, and the water that has entered the hollow pole body through the air hole is smoothly discharged. As a result, generation of an unusual odor and deterioration of the shock absorbing function due to water staying in the pole body can be suppressed.

Further, in the road sign pole having the above-mentioned structure,
As described in claim 4, a spacer having the same outer diameter as the projecting portion of the base and having a projecting portion that can be fitted in a recess formed in the projecting portion is provided separately (other than three parts). By providing, when installing a road sign pillar of visible reflective tape specification for visually recognizing the presence of the road sign pillar to the driver of the car, it is not necessary to make a dedicated base for it, By simply fitting the spacer to the base in a refilled manner, it is possible to easily and inexpensively install a signpost of a reflective tape type having an excellent visual guidance function.

In the road signpost according to the present invention,
The pole body is formed by blow molding or injection molding a material having elasticity and restoring force capable of bending and deforming by contact or collision with another object, for example, urethane resin, vinyl chloride resin, EVA (ethylene vinyl acetate copolymer) resin and the like. Preferably, the base is made of a hard material such as polypropylene or ABS resin, and the ring is made of a hard material.
For example, it is preferable to mold from a polypropylene resin or the like, and the role of each part can be reliably achieved by selecting such a constituent material.

[0014]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an exploded vertical sectional view showing a first embodiment of a road signpost according to the present invention. In the road signpost of the first embodiment, a pole body 1, a base 2, and a ring 3 are independent of each other. It is manufactured as a part, and the three parts 1, 2, 3 are configured to be assemblable.

The pole body 1 has an upper end closed by a lid 1a, a reinforcing rib 1b formed on a peripheral wall of a lower half portion, and a lower end protruding radially outward. In addition, the outer end portion is integrally formed in a hollow form by injection molding of urethane resin or the like so as to form an annular portion 1c with a folded piece 1d whose upper end is folded upward,
When another object such as a vehicle collides or collides in the usage mode,
The upper half thereof is configured to be capable of absorbing an impact by bending deformation and elastically restoring to an upright posture with release of contact or collision force. An air hole 1e is formed in a peripheral wall portion of the pole body 1 at an intermediate position between the upper and lower sides to enhance bending deformation characteristics and elastic recovery characteristics.

The base 2 has a protruding portion 2A that can be fitted into the lower end opening of the pole body 1 and a flat grounded annular portion 2B that stably grounds the road surface.
It is molded into a ring shape from a hard material such as resin,
At the center of the base 2, a fastening screw member for fixing the base 2 to the road surface by screwing into a spacer fitting concave portion 2a to be described later and an anchor member (to be described later) embedded in the road surface, that is, a hexagonal head The fitting recess 2b of the hexagonal head 5a of the bolt 5 with the portion 5a and the through hole 2c through which the screw portion 5b of the bolt 5 is inserted are formed concentrically, and the base 2 is adhered to the lower surface on the road surface. An adhesive pouring recessed space 2d for fixing is formed, and a through hole 2e of a short bolt 4 for tightening and fixing the ring 3 and the base 2 at a plurality of positions in the circumferential direction is formed in the grounded annular portion 2B. Is formed.

The ring 3 is connected to the pole body 1.
An inner hole 3a that can be fitted to the outside and a downward opening 3b having a diameter larger than that of the grounded annular portion 2B of the base 2 are formed concentrically, and a substantially truncated cone corresponding to the grounded annular portion 2B of the base 2. The annular portion 3A is formed from a hard material such as a polypropylene resin, and a plurality of nuts 6 are provided at the middle position of the substantially truncated substantially conical annular portion 3A so as to face the through hole 2e of the base 2. An annular peripheral groove portion 3c is formed at a position slightly radially inner than the embedded nut 6 in which the folded piece 1d of the annular portion 1c of the pole body 1 is fitted.

The three components 1, 2, 3 having the above configuration
The road sign pillars with the are installed and fixed at predetermined intervals on the road surface such as the center line of the road, the junction of the lane, the separation point of the sidewalk, etc. The function as a road sign is exhibited by visually recognizing the existence of branches and the like. When the vehicle or the like erroneously comes into contact with or collides with the pole body 1 in the installation and use mode, the pole body 1 bends and deforms to absorb the impact, thereby protecting the vehicle and the driver. When the pole body 1 is separated from the pole body 1, the pole body 1 is elastically restored to the upright posture and recovers a predetermined sign function.

The method of installing the road signposts used in this way is roughly divided into the above-described hexagonal head 5a and the base 2 on the road surface.
A method of fixing and installing with a bolt 5 (hereinafter referred to as a bolt fixing method), a method of fixing and installing the base 2 on a road surface with an adhesive (hereinafter referred to as an adhesive fixing method), There is a method (hereinafter referred to as a screw-in fixed installation method) of screwing from above into an anchor-type screw member that is embedded and fixed and protruded on the road surface (hereinafter, referred to as a screw-in fixed installation method).

2 and 3, the head 5a of the bolt 5 with the hexagonal head 5a is fitted into the fitting recess 2b of the base 2 and the through hole 2c
First, the bolt 5 is fixed to the base 2 by screwing and tightening the nut 7 to the screw portion 5b protruding downward from the base 2 through the through hole. Next, while the projecting portion 2A of the base 2 is fitted inside the lower end opening of the pole body 1, the ring 3 fitted externally to the pole body 1 from the top side of the pole body 1 through the inner hole 3a is attached to the pole body 1. To the bottom of the
The downward opening 3b is fitted into the grounded annular portion 2B of the base 2, and the folded piece 1d of the annular portion 1c of the pole body 1 is fitted into the annular peripheral groove 3c.

In this state, the short bolt 4 inserted from below into a plurality of through holes 2e formed in the grounded annular portion 2B of the base 2 is screwed into the embedding nut 6 of the ring 3 and tightened. The lower part annular portion 1c of the base 3 is sandwiched and fixed between the grounded annular portion 2B of the base 2 and the annular portion 3A of the ring 3, and the three parts 1,
2 and 3 are fixed to each other to complete the assembly of the road signpost A.

After the assembly is completed, as shown in FIG. 4, an anchor member 9 inserted into a hole formed by excavation in the road surface R and embedded in the road floor by an adhesive 8 such as an epoxy resin adhesive. By screwing the bolt 5 into
The road signpost A can be fixedly installed on the road surface R in a vertical upright posture so that a predetermined sign function can be exhibited.

Adhesive fixing installation method: The three parts 1, 2, 3 are fixed to each other in the same manner as described above without any fitting into the fitting concave portion 2b and the through hole 2c of the base 2, and the road signpost. Complete the assembly of A. After the assembly is completed, an adhesive 10 is applied to the entire lower surface of the base 2 as shown in FIG. At this time, a part of the applied adhesive 10 flows into the downward opening 3b of the ring 3 and the recessed space 2d of the base 2 as shown in FIG. 6 and FIG. By pressing the entire A onto the road surface R from above, the road sign post A can be strongly adhered and fixed to the road surface R in a vertically upright posture, and a predetermined sign function can be exhibited. In the case of the adhesive fixed installation, the road surface R and the adhesive 10
It is preferable to use an ABS resin or the like having a large adhesive force with the adhesive 10 as the material of the base 2 so that the bonding through the adhesive becomes stronger.

Screwing fixed installation method: As shown in FIG. 8, a stepped nut 11 is fitted into the fitting recess 2b and the through hole 2c of the base 2, and the stepped nut 11 is connected to the base 2 via the plate 12 and the screw screw 13. 9, and the three parts 1, 2, 3 are fixed to each other as shown in FIG.
Complete the assembly. After the assembly is completed, as shown in FIG. 9, the stepped nut 11 fixed to the base 2 is screwed into the anchor type screw member 14 which is embedded and fixed in advance under the road surface R and protrudes upward from the road surface R. In addition, the road sign pillar A can be fixedly installed on the road surface R in a vertical upright posture to exhibit a predetermined sign function.

FIG. 10 is a longitudinal sectional view showing a second embodiment of the road signpost according to the present invention. In the second embodiment, FIG.
As shown in FIGS. 1 and 12, a plurality of drain grooves 15 are provided in the circumferential direction from the upper end of the outer peripheral surface of the central projecting portion 2A to the outer edge of the upper surface of the grounded annular portion 2B in the base 2.
Is formed. Since other configurations are the same as those of the first embodiment, the corresponding portions are denoted by the same reference numerals, and detailed description thereof will be omitted. Further, in FIG. 10 of the second embodiment, as a method of fixing and installing the road sign pillar A that has been completed on the road surface, a method of fixing and fixing the bolt using the bolt 5 is used. Alternatively, a screw-in fixed installation method may be used.

The base 2 having the drain groove 15, the ring 3, and the pole body 1 are assembled in the same manner as described above, and a completed road signpost A (see FIG. 10) as shown in FIG. The breathing action of the formed air hole 1e allows the pole body 1 to smoothly and flexibly deform and resiliently recover, and the rainwater or the like that has entered the pole body 1 from the air hole 1e is smoothly passed through the drain groove 15. The pole body 1 can be discharged to the road surface R.
It is possible to suppress the generation of an unusual odor and the deterioration of the shock absorbing function due to the stagnation of rainwater or the like inside.

FIG. 13 is an exploded (before assembling) longitudinal sectional view showing a third embodiment of the road signpost according to the present invention, and FIG. 14 is a longitudinal sectional view showing a state where the assembling is completed. In the third embodiment,
The stepped nut 11 is fitted into the fitting recess 2b and the through hole 2c of the base 2, and the stepped nut 11 is
Convex portion 16 that can be fitted into the spacer fitting concave portion 2a
a and a spacer 16 formed integrally with a projecting portion 2A of the base 2 and an annular portion 16b having the same outer diameter are prepared separately, and the spacer 16 is added to the base 2 via screws 17 and fixed. On the other hand, on the upper part of the substantially truncated substantially conical annular portion 3A of the ring 3, a renewed spacer 16 is provided.
A cylindrical portion 3B corresponding to the height of the cylindrical portion is integrally provided.
A concave portion 3d for attaching a visible reflector is formed on the outer peripheral surface of B. Since other configurations are the same as those of the first embodiment, the corresponding portions are denoted by the same reference numerals, and detailed description thereof will be omitted. In FIGS. 13 and 14 of the third embodiment, as a method of fixing the assembled road sign post A to the road surface, a method of screwing and fixing using the stepped nut 11 is shown. It may be an installation method or a screw-fixed installation method using bolts.

The road sign column A of the third embodiment is a road sign column of a visible reflector type for visually recognizing the presence of the road sign column to a driver of an automobile and the like. There is no need to create a dedicated base for plate specifications,
And spacer 1 on base 2 that can be used in common with second embodiment
By simply adding and fixing 6, it is possible to easily and inexpensively assemble and install a signpost of a reflector type having excellent visual guidance function.

[0029]

In summary, according to the first aspect of the present invention, since the pole body, the base, and the ring are of a three-part assembly type in which the pole body, the base, and the ring are manufactured as independent parts from each other, the pole body, the base, and the ring can be installed on a road surface. Therefore, it is not necessary to separately create a plurality of types of road signposts each having a corresponding base, and it is possible to form an efficient and economical production plan by sharing parts, and to collide a vehicle in a usage manner. If a part is damaged due to stomping or stepping on the part, it can be restored by replacing only the part including the damaged part, and the maintenance cost can be reduced.

Further, since no adhesive is used for assembling and fixing the three parts, the lower end annular portion of the pole body is sandwiched and fixed by fastening the grounded annular portion of the base and the annular portion of the ring. Omitting groundwork such as sandblasting reduces assembly costs,
By controlling the tightening torque of the screw member, stable assembly fixing strength can be obtained. In addition, since it is not necessary to form a bolt hole or the like in the lower annular portion of the pole body, even if a collision force or a tensile force is repeatedly applied in a use mode, the hole is very rarely torn and broken from the hole, There is an effect that the durability of the entire road sign post can be improved.

In addition, by adopting the structure described in claim 2, a single base can be commonly used for a base for a road surface screwing type and a base for a road surface bonding type. The number of types of bases corresponding to the road surface installation method can also be reduced, and the production efficiency can be further improved.

Further, by adopting the configuration of the third aspect, the water that has entered the hollow pole body is smoothly discharged while the bending deformation characteristics and the elastic recovery characteristics of the pole body are further improved. As a result, generation of an unusual odor and deterioration of the shock absorbing function due to water staying in the pole body can be suppressed.

Further, by adopting the configuration described in claim 4, a road sign column of a visible reflector type for visually recognizing the presence of the road sign column to a driver of an automobile is provided. There is no need to prepare and prepare a dedicated base, and it is possible to install the base simply and inexpensively simply by adding and fitting spacers.

[Brief description of the drawings]

FIG. 1 is an exploded vertical sectional view showing a first embodiment of a road signpost according to the present invention.

FIG. 2 is a vertical cross-sectional view of the road sign post of the first embodiment in an assembled state.

FIG. 3 is a bottom view of FIG. 2;

FIG. 4 is a longitudinal sectional view of a main part showing a road surface installation state of the road signpost according to the first embodiment, which is fixed by bolts;

FIG. 5 is a bottom view showing a road surface installation state by adhesively fixing the road sign pillar of the first embodiment.

FIG. 6 is a longitudinal sectional view of a main part along line XX in FIG. 5;

FIG. 7 is a longitudinal sectional view of a main part taken along line YY of FIG. 5;

FIG. 8 is an exploded vertical sectional view of components used for setting a road surface by screwing and fixing the road signpost of the first embodiment.

FIG. 9 is a longitudinal sectional view of a main part showing a road surface installation state by screwing and fixing the road signpost of the first embodiment.

FIG. 10 is a longitudinal sectional view of a second embodiment of the road signpost according to the present invention in an assembled state.

FIG. 11 is a plan view of a base of the road signpost of the second embodiment.

FIG. 12 is a longitudinal sectional view taken along the line ZZ of FIG. 11;

FIG. 13 is an exploded vertical sectional view showing a third embodiment of the road signpost according to the present invention.

FIG. 14 is a vertical sectional view of the road sign post of the third embodiment in an assembled state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pole main body 1c Lower end annular part 1e Air hole 2 Base 2A Projecting part 2B Grounding annular part 2a Spacer fitting recess 2b Bolt fitting recess 2c, 2e Through hole 2d Adhesive pouring recess 3 Ring 3A Substantially truncated cone shape 3a inner hole 3b opening 3c annular peripheral groove 4 short bolt (screw member) 5 hexagonal head bolt (fastening screw member) 6 embedded nut 9 anchor member 10 adhesive 16 spacer A road signpost

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shizuo Kageyama 1-17-18 Edobori, Nishi-ku, Osaka-shi, Osaka Toyo Tire & Rubber Co., Ltd. (72) Inventor Katsuhiko Tanigawa 1-17-18 Edobori, Nishi-ku, Osaka-shi, Osaka No. Toyo Tire & Rubber Co., Ltd. (72) Inventor Kozo Otani 1-17-18 Edobori, Nishi-ku, Osaka-shi, Osaka F-term in Toyo Tire & Rubber Co., Ltd. 2D064 AA11 AA22 BA05 BA11 BA12 CA03 DB02 DB03 DB07

Claims (5)

[Claims] 1. A base having a hollow pole body that can be bent and deformed by contact or collision with another object, a base having a protruding portion that can be fitted into a lower end portion of the pole body and a grounded annular portion to a road surface, and a pole body. A road signpost comprising: a ring having an inner hole capable of being fitted to the outside; and a ring having an annular portion facing the grounded annular portion of the base, wherein the pole body, the base, and the ring are manufactured as independent parts from each other. The grounding annular portion of the base, the protruding portion of which is internally fitted to the lower end of the base, and the annular portion of the ring, which is externally fitted to the pole body, are fastened and fixed via a screw member from the lower side of the base. A road sign pole characterized in that the lower end annular portion can be assembled as a whole in a state where it is sandwiched and fixed between a grounded annular portion of a base and an annular portion of a ring. 2. A through hole of a fastening screw member for fixing the base to the road surface by screwing into the anchor member embedded in the road surface, and an adhesive for adhesively fixing the base to the road surface. The road sign post according to claim 1, wherein a recessed space for pouring is formed. 3. An air hole is formed in the pole body, and a water drain groove is formed in the base so that water entering through the air hole can be discharged to a road surface. Road signpost as described in. 4. A spacer having the same outer diameter as the protruding portion of the base and having a protruding portion which can be fitted into a recess formed in the protruding portion is provided separately.
The road sign pole according to any one of claims 1 to 3. 5. The pole body is made of a material having elasticity and restoring force that can be bent and deformed by contact or collision of another object, and the base and the ring are made of a hard material. 4. The road sign pole according to any one of 4.