JP2011196127A - Road sign body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a road sign body continuously usable because it easily returns to the original shape even if receiving external force.SOLUTION: The road sign body with a beam-like sign part erected between two columnar sign parts is constructed by erecting two inner posts with flexible pole parts projected upward on a construction surface, forming a locking part at the lower part outer surface of each inner post, forming each columnar sign part into cylindrical shape having a hollow part and opened downward, forming the lower part inner surface of each columnar sign part with an engaging part lockable to the locking part, enclosing the pole part of the inner post in the hollow part of each columnar sign part, and detachably locking the engaging part of each columnar sign part to the locking part of the inner post. Even if the road sign body receives external force and the columnar sign part bends, the deformed columnar sign part is supported from the inside by the pole part of the inner post in the hollow part and restored more powerfully.

Description

  The present invention relates to a road marking object that is fixed to a road surface for the purpose of lane center line marking, lane guidance marking, traffic regulation guidance marking, or the like.

  Installed in parks, public facilities, and other commercial facilities where people come and go to block or guide the entrance of vehicles, or installed along the sidewalk to prevent vehicles from entering or parked on the sidewalk Various inventions are disclosed for the road marking body.

For example, in Patent Document 1, a fixed base having a center-shaped bulging upward, a through hole at the center and a mounting hole at the periphery, and a base end portion within the bulging portion of the fixed base. An elastic rubber column that is held and extends upward from the through hole, and a vehicle stop sign made up of a column or a fence with a lower end fitted to the upper outer periphery of the rubber column are disclosed.

Japanese Utility Model Application No. 5-29185

  Patent Document 1 describes a configuration in which a car stop sign is formed in a U-shaped fence shape by combining a pipe and a joint. When a vehicle or the like collides with such a car stop sign, an elastic rubber column is described. The column part returns to its original state due to the deformation and restoration of the beam, but the beam part of the fence that spans the pillar is not deformed by the applied impact etc., and there is a possibility that the durability may be reduced There was a point.

  Therefore, the present invention provides a road marking body that can be easily restored and continuously used even under external force.

In order to achieve the above object, the present invention is configured as follows.
That is, the road marking body according to the present invention has two flexible column-shaped sign portions that are elastically bent by contact with the vehicle, and has the flexibility to bend elastically between the column-shaped sign portions. A sign for a road on which a beam-shaped sign is installed,
Two poles with flexible poles protruding upward are fixed upright on the construction surface,
A locking portion is formed on the lower outer surface of the inner pillar,
Each of the columnar marker parts is formed into a cylindrical shape having a hollow part and opening downward,
Each columnar marking portion has an engaging portion that can be locked to the locking portion on the inner surface of the lower portion,
The pole part of the inner pillar is stored in the hollow part of each columnar marker part,
The engaging portion of each columnar marker portion is detachably locked to the locking portion of the inner pillar,
Each of the columnar marking portions is erected and fixed on a construction surface.

According to the road marking body according to the present invention, two columnar marker portions having flexibility to bend elastically by contact with a vehicle are erected, and the flexibility to bend elastically between the columnar marker portions is provided. Since the beam-shaped sign section has been built, it is possible to prevent a person such as a pedestrian or a vehicle from crossing between them, and to obtain a high traffic regulation effect. When it is received, each of the column-shaped marker portions and the beam-shaped marker portions are flexed as a whole to release this external force, making the road marking body difficult to break, and when the external force disappears, it is restored to its original shape. To be made.
In addition, two inner pillars having a pole part having flexibility protruding upward are fixedly fixed on the construction surface, and each pillar-shaped marker part is formed in a tubular shape having a hollow part opened downward, The pole part of the inner pillar is accommodated in the hollow part of each columnar marker part, and the columnar marker part is erected and fixed on the construction surface, so that the road marking body receives external force and the columnar marker part Even if it is bent, the pole part of the inner pillar in the hollow part is supported from the inside to restore the deformed columnar marker part more strongly.
In addition, a locking portion is formed on the lower outer surface of the inner column, and each columnar marker is formed in a cylindrical shape having a hollow portion that opens downward, and the locking is formed on the lower inner surface of each columnar marker. Engaging portions that can be locked to the respective portions, and the pole portions of the inner pillars are housed in the hollow portions of the columnar marker portions,
Since the engaging portions of the columnar marker portions are detachably engaged with the locking portions of the inner pillars, if the columnar marker portions or the beam-shaped marker portions are damaged or damaged, Without removing the column from the construction surface, the locking between the locking portion and the engaging portion can be removed and the replacement can be easily performed.

Further, the inner pillar is formed in a columnar shape, the locking part is formed in a concave groove shape over the entire outer periphery of the inner pillar, the columnar marker part is formed in a cylindrical shape, and the engaging part Is formed in a ridge shape over the entire inner peripheral surface of the columnar sign portion, when an external force is applied to the columnar sign portion due to a vehicle contacting the road marking body, etc. No matter which direction the force applied to the marker part or inner inner pillar is distributed in the circumferential direction without concentrating the force on a part of the side part, the locking part or the engaging part, these Is preferable because it is difficult to be destroyed.
Moreover, if a clearance gap is formed between the inner peripheral surface of each said columnar marker part which locked the said latching | locking part and engaging part, and the outer peripheral surface of the pole part of the said inner pillar, columnar marker part In the case of restoration after deformation such as bending, the restoration is not suppressed by friction between the columnar marker portion and the pole portion of the inner column, and the deformation can be restored more strongly, which is preferable.

  In addition, the beam-shaped marker portion and each columnar marker portion are formed from a single cylinder, and the central side of the cylinder is formed as the beam-shaped marker portion on both sides of the beam-shaped marker portion. If a curved portion is provided, and both end sides of the cylindrical body are bent downward at the curved portion to extend the columnar marker portions, an external force is applied to the road marking body, for example, by contact with the vehicle. In this case, since each of the columnar marking portions and the beam-shaped marking portion are formed as an integral member, these connection portions are not detached, and durability is improved and more continuous. Therefore, it is preferable.

  According to the road marking body of the present invention, even if it receives external force, it can be easily restored and used continuously.

(A) which shows one Embodiment of the road marking body which concerns on this invention is a top view, (b) is a front view, (c) is a side view. It is a front view which shows the state decomposed | disassembled into each member which comprises the road marking body of FIG. It is sectional drawing of the inner pillar which comprises the road marking body of FIG. It is a figure which shows the outline | summary of the cross section of the column-shaped marker part of FIG. 1, and a beam-shaped marker part. It is sectional drawing of the principal part which shows the state by which the inner pillar of FIG. 2 and the column-shaped marker part of FIG. 4 were latched.

Embodiments of the present invention will be specifically described with reference to the drawings.
First, the overall configuration of the road marking body according to the present invention will be described with reference to FIGS. 1 and 2.
In the drawings, 1 is a road marking body, and 2 is a marking portion thereof.
The sign part 2 is formed in an inverted U shape with a beam-like sign part 22 provided so as to be bridged between the upper ends of the two standing columnar sign parts 21. In the marker part 2 of the embodiment, one cylindrical pipe is bent at two curved parts 23 to form each columnar marker part 21 and a beam-like marker part 22.
The marking portion 2 of the present embodiment is formed of a thermoplastic polyurethane resin so as to have flexibility to restore the original state after being stepped on by a vehicle or the like. Etc. can be used suitably.

  Each columnar marking portion 21 and beam-shaped marking portion 22 has a reflection portion 29 in which a reflection sheet having a retroreflectivity of light is wound around each outer surface and attached around the entire circumference. Thus, the visibility from the front is improved, and the visibility can be enhanced even when the vehicle is viewed from obliquely above by a driver of a vehicle having a high vehicle height such as a truck. The columnar marking portion 21 of the present embodiment is provided with reflecting portions 29 at three locations in total, two at the top and one at the bottom, and the beam-shaped marking is near the curved portions 23 on both sides thereof. The reflection part 29 is provided in two places in total, one each.

Each columnar marker portion 21 of the marker portion 2 is formed with an opening at the bottom, and the inner column 3 is accommodated therein and fixed on the road surface.
The inner pillar 3 is configured such that a pole portion 31 formed in a cylindrical shape having a slightly smaller diameter than the base portion 32 protrudes upward from the upper surface of the base portion 32 formed in a short cylindrical shape.

FIG. 3 is a sectional view of the inner pillar 3 constituting the road marking body 1 of FIG.
The pole portion 31 of the inner column 3 is formed in a cylindrical hollow columnar body, and is fused and fixed to the upper surface of the base portion 32. A cap 33 is fixed to the upper portion of the pole portion 31 by fusion so as to close the upper end thereof.
The pole portion 31 of the present embodiment is formed of a thermoplastic polyurethane resin so as to have the flexibility of being restored to its original state after being stepped on by a vehicle or the like, similar to the sign portion 2. Without limitation, soft polyolefin, elastomer, and the like can be suitably used. Moreover, the base part 32 and the cap 33 can also be suitably formed using these materials.

The base portion 32 of the inner pillar 3 is formed with a locking portion 34 formed of a concave groove extending in the circumferential direction in the vicinity of the center in the vertical direction of the outer peripheral side surface.
Further, a male screw of the anchor bolt 4 is provided at the center of the lower surface of the base portion 32 so as to protrude downward.
Specifically, the anchor bolt 4 is formed integrally with the base portion 32 by embedding its head in the base portion 32 when the base portion 32 is molded.
The base portion 32 of the present embodiment is configured so that the inner column 3 is fixed upright by screwing the male screw of the anchor bolt 4 to the female screw of an anchor nut embedded and fixed on the road surface. The installation method 3 is not limited to this, and the anchor nut 4 may not be provided, and an adhesive may be applied to the lower surface of the base 2 to be adhered and fixed to the road surface, or another fixing method may be used.

FIG. 4 is a diagram showing an outline of a cross section of the columnar marker 21 and the beam-shaped marker 22 in FIG.
As described above, each columnar marker 21 and beam-shaped marker 22 of the present embodiment is composed of a marker 2 that is formed by bending one pipe into an inverted U shape. Thus, when an external force is applied to the road marking body, the columnar marking portion 21 and the beam-shaped marking portion 22 do not come off.

Each columnar marker portion 21 is formed in a size that can accommodate the pole portion 31 of the inner column 3 in the inner hollow portion 26, and is engaged with the lower end of each columnar marker portion 21. The member 6 is fused and fixed.
The engaging member 6 is formed in a cylindrical shape having an inner diameter corresponding to the outer diameter of the columnar marker portion 21, and the engaging member 6 stores the lower end of the columnar marker portion 21 inside thereof. It is fixed. The engaging member 6 has an inner diameter slightly larger than the outer diameter of the base portion 32 of the inner pillar 3.

On the lower edge of the inner peripheral side surface of the engaging member 6, an engaging portion 61 made of a protrusion protruding inward is formed over the entire periphery. The engaging portion 61 protrudes vertically inward from the inner peripheral side surface of the engaging member 6 at the upper end thereof to form an engaging portion upper surface 62 on the upper side, and becomes thinner toward the lower side, and an inclined surface 63 is formed on the surface thereof. The lower end thereof is formed so as to converge on the outer peripheral side surface of the engaging member 6, and the engaging portion 61 is formed in a triangular cross section.
Further, the engaging portion 61 is formed such that the length from the lower end to the engaging portion upper surface 62 is slightly shorter than the vertical width of the engaging portion 34 of the base portion 32 of the inner pillar 3. The length of the protrusion inward in the upper end of the portion 61 is slightly shorter than the length of the recess inward of the locking portion 34.
By forming the engaging portion 61 on the engaging member 6 as described above, the engaging portion 61 and the locking portion 34 are locked and the columnar marker portion 21 is locked and fixed to the base portion 32 of the inner column 3. be able to.

The method of fixing the columnar marker 21 and the inner column 3 will be described in detail. The pole portions 31 of the two inner columns 3 that are first erected are the opening portions of each columnar marker 21 of the marker 2. To the hollow portion 26.
Next, the marker part 2 is lowered, and the engaging member 6 under each columnar marker part 21 is brought into contact with the upper end of the base part 32 of each inner pillar 3.
Then, when each engaging member 6 is pressed against the base portion 32 from above, the inclined surface 63 of the engaging portion 61 is brought into contact with the upper corner of the base portion 32 and the engaging portion 61 is pushed outward. The lower end portion of the engaging member 6 is enlarged.
Further, by pressing each engaging member 6 against the base portion 32 from above, the engaging portion 61 descends downward to reach the position of the locking portion 34 of the base portion 32, and the engaging portion 61 becomes the locking portion 34. The lower end of the engaging member 6 housed inside and expanded in diameter returns to its original state.
The engaging portion 61 housed in the locking portion 34 is locked to the locking portion 34 with the upper surface 62 of the engaging portion coming into contact with the inner surface of the locking portion 34.
FIG. 5 is a cross-sectional view of the main part showing a state where the inner pillar of FIG. 2 and the columnar marker of FIG. 4 are locked.
The inner pillar 3 and the sign part 2 in which the protrusion 61 is housed in the engaging part 34 and are respectively engaged with each other are released by pulling the pillar-shaped sign part 21 upward with a strong force. The sign part 2 can be removed from the inner pillar 3.

  The engaging portion provided on the inner pillar 3 is constituted by a concave groove formed over the entire outer peripheral side surface of the base portion 32, and the engaging portion provided on the columnar marker 21 is provided on the entire inner peripheral side surface of the engaging member 6. When the external force is applied to the columnar marker 21 due to the vehicle coming into contact with the road marking body or the like, the columnar marker 21 or the inner pillar 3 on the inner side is formed. No matter which horizontal direction the applied force is applied, the force is not concentrated on a part of the engaging portion 61 or the locking portion 34 but dispersed in the circumferential direction, so that they are not easily broken and engaged. The locking between the part 61 and the locking part 34 is maintained for a long time.

  Further, the pole portion 31 of the inner pillar 3 of the present embodiment is formed so that its outer diameter is smaller than the inner diameter of the columnar marker portion 21 of the marker portion 2. For this reason, when the pole part 31 is accommodated in the hollow part 26 of the columnar marker part 21, a gap is formed between the inner surface of the columnar marker part 21 and the outer surface of the pole part 31. Has been made. By forming such a gap, the columnar marker 21 undergoes deformation such as bending due to external force, and when it is subsequently restored, the inner peripheral side surface of the columnar marker 21 and the pole portion of the inner column 3 Since the outer peripheral side surface of 31 is in contact with a small contact area without being in surface contact, the friction does not hinder the restoration of the columnar marker 21 and is efficiently supported by the inner column 3 from the inside. , The deformation is restored more powerfully.

DESCRIPTION OF SYMBOLS 1 Road marking body 2 Marking part 21 Column-shaped marking part 22 Beam-shaped marking part 23 Curved part 26 Hollow part 29 Reflecting part 3 Inner pillar 31 Pole part 32 Base part 33 Cap 34 Locking part 4 Anchor bolt 6 Engagement member 61 engaging portion 62 engaging portion upper surface 63 inclined surface

Claims (3)

A road in which two flexible column-shaped marker portions that are elastically bent by contact with a vehicle are erected, and a flexible beam-shaped marker portion that is elastically bent is provided between the column-shaped marker portions. A sign object,
Two poles with flexible poles protruding upward are fixed upright on the construction surface,
A locking portion is formed on the lower outer surface of the inner pillar,
Each of the columnar marker parts is formed into a cylindrical shape having a hollow part and opening downward,
Each columnar marking portion has an engaging portion that can be locked to the locking portion on the inner surface of the lower portion,
The pole part of the inner pillar is stored in the hollow part of each columnar marker part,
The engaging portion of each columnar marker portion is detachably locked to the locking portion of the inner pillar,
A road marking body characterized in that each of the column-shaped mark portions is erected and fixed on a construction surface. The inner pillar is formed in a cylindrical shape, and the locking portion is formed in a concave groove shape over the entire circumference of the outer peripheral surface of the inner pillar,
The columnar marker portion is formed in a cylindrical shape, and the engaging portion is formed in a ridge shape over the entire inner peripheral surface of the columnar marker portion,
A gap is formed between the inner peripheral surface of each of the columnar marker portions and the outer peripheral surface of the pole portion of the inner column, wherein the locking portion is locked to the engaging portion. The road marking body according to claim 1.   The beam-shaped marker and each column-shaped marker are formed from a single cylinder, the central side of the cylinder is the beam-shaped marker, and curved portions are formed on both sides of the beam-shaped marker. 3. The road marking body according to claim 1, wherein both end sides of the cylindrical body are bent downward at the curved portion, and the columnar marker portions are respectively extended.

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