JP2003049414A - Vehicle slowdown hump - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle slowdown hump deformed to relieve impact when a driver sees a vehicle slowdown hump in advance and slows down to go over the hump while being hardly deformed to apply impact to a tire when going over the hump, gaining speed without slowing down. SOLUTION: This vehicle slowdown hump is formed as an elongate block body with both sides formed into flat faces and with the center formed as a swollen part swollen into a circular arc or sine curve or a trapezoid, and the hump as a single body or a combination of a plurality of humps is laid on a road, crossing the proceeding direction of a vehicle. The hump itself is formed of an elastic body formed of rather hard rubber or resin or structured to breathe through an air hole by forming the interior of the swollen part as a void space, or an impact absorbent such as gel is filled in the void space.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle deceleration hump which is installed on a road for the purpose of restricting ingress of passing traffic and traveling speed in a community zone and urges vehicle deceleration.

[0002]

2. Description of the Related Art Various proposals have been made in which the vehicle deceleration hump is formed into a block that can be manufactured at a factory, brought to a construction site and laid according to the road. For example, in Japanese Patent Laid-Open No. 11-117209, the hump is made of elongated trapezoidal ductile iron casting. In addition, Japanese Patent Laid-Open No. 11-2
No. 41317 is formed into a divided block that can be combined and laid according to the road, and the material is concrete, polyethylene, urethane resin, rubber, elastomer, etc.

[0003]

However, the cast iron castings or the concrete ones have a problem that even when the tire is decelerated, the impact when the tire rides up is strong and the driver feels uncomfortable. Further, when the material is a soft material such as polyethylene, urethane resin, rubber, or elastomer, there is a problem that the impact is moderated but it is too soft and there is no deceleration effect. The present invention is
When the driver visually checks the vehicle deceleration hump in advance and decelerates to get over the hump, the hump deforms to absorb the shock, and when the driver goes up at a speed without decelerating, the deceleration hump hardly deforms. Provide a vehicle deceleration hump that impacts tires.

[0004]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention is an elongated block in which a vehicle deceleration hump has a flat surface on both sides and a bulging portion bulged in an arc, a sine curve or a trapezoid at the center. The hump is formed on the body and intersects the vehicle traveling direction according to the road width of the installation location, and a single hump or a combination of a plurality of humps is laid on the road. Further, the hump itself is formed of an elastic body made of slightly hard rubber or resin. Alternatively, the inside of the bulging portion is made to be a vacant space so that breathing can be performed through the ventilation hole. Alternatively, a shock absorber such as gel is enclosed in the space.

[0005]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, the vehicle deceleration hump 1 of the present invention includes a flat surface 2 having substantially flat sides.
The center of the hump 1 is formed into a slender block body consisting of a bulging portion 3 bulging in an arc shape, a sine curve, or a trapezoid, and the hump 1 is crossed with the vehicle traveling direction according to the road width of the installation location. A single piece or a combination of multiple pieces is laid on the road. Further, as shown in FIG. 3, when the hump 1 is embedded in the road surface 5, the roadbed is excavated one size larger than the hump 1 and embedded and fixed by the adhesive 10 and the anchor bolt 8. An anchor insertion hole 6 for inserting the anchor bolt 8 is formed in the flat surface 2 of the hump 1.

A reflector 7 is attached to the surface of the vehicle deceleration hump 1 in order to improve the visibility of the driver, and the hump body itself uses a color having a high luminance ratio different from the color of the road surface 5.

[0007]

[First Embodiment] The first embodiment is a vehicle deceleration hump 1
It is formed by an elastic body 1a made of slightly hard rubber or resin. When the driver visually recognizes the vehicle deceleration hump 1 in advance and decelerates sufficiently, the weight of the riding vehicle is passed when passing through the hump 1. Thus, the hump itself, that is, the elastic body 1a is compressed and deformed, and the impact on the vehicle can be alleviated. When the vehicle passes through the hump 1 without decelerating, the hump 1 made of rather hard rubber or resin is subjected to a strong impact and is deformed for a moment, but it is instantly restored to give an impact to the vehicle to accelerate deceleration. .

[0008]

Second Embodiment A vehicle deceleration hump 1 according to a second embodiment shown in FIGS. 2 and 4 has a bulging portion 3 of the hump provided with a space 9 and a plurality of ventilation holes 4. The compression and decompression of 3 can be easily performed through the ventilation hole 4. Therefore, if the vehicle is decelerating sufficiently, the bulging portion 3 is compressed by the weight of the riding vehicle even if it passes through the hump 1, and the air in the void 9 escapes to the outside by the vent hole 4. The bulging portion 3 bends and the impact on the vehicle can be reduced. When the vehicle passes through the vehicle deceleration hump 1 without decelerating, the bulging portion 3 is compressed due to the weight and impact of the riding vehicle, and the air in the void 9 tries to escape from the vent hole 4. Since the vehicle passes before the air is completely exhausted, the bulging portion 3 cannot be fully bent and gives an impact to the vehicle to accelerate deceleration.

[0009]

Third Embodiment A third embodiment shown in FIG. 5 is a bulging portion 3 of the first embodiment so that the vehicle deceleration hump 1 can be compressed and restored.
An empty space 9 is provided in the hollow space 9 and a shock absorbing material 11 such as gel is placed in the empty space 9.
Is enclosed. If the vehicle is sufficiently decelerated, even if the vehicle passes through the vehicle deceleration hump 1, the impact absorbing material 11 is compressed through the arcuate surface 3 by the weight of the vehicle on which the vehicle rides.
The vehicle deceleration hump 1 bends and the impact on the vehicle can be reduced. When the vehicle passes through the hump 1 without decelerating, a strong impact is applied to the bulging portion 3, but the impact absorbing material 11
Since the vehicle deceleration hump 1 does not bend due to the reaction of, the vehicle tire can be impacted to accelerate deceleration.

[0010]

As described above, according to the vehicle deceleration hump of the present invention, the vehicle deceleration hump is installed on a road in a communication zone, an intersection without a signal, a vehicle doorway, a narrow alley, or any other place where it is not desired to increase the vehicle speed. The excellent effect of selectively applying an impact only to a vehicle that is excessively speeding up can be achieved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a vehicle deceleration hump according to a first embodiment.

FIG. 2 is a perspective view showing a case where a vehicle deceleration hump according to a second embodiment is laid on a road.

3 is a cross-sectional view of FIG.

FIG. 4 is a sectional view of FIG.

FIG. 5 is a cross-sectional view showing a third embodiment.

[Explanation of symbols]

1 Vehicle deceleration hump 1a Elastic body 2 flat surface 3 bulge 4 ventilation holes 5 road surface 6 anchor insertion holes 7 Reflective material 8 anchor bolts 9 vacant places 10 adhesive 11 Shock absorber

Claims (4)

[Claims] 1. A vehicle deceleration hump formed in an elongated block body having a substantially flat surface (2) on both sides and a bulging portion (3) bulging into a circular arc, a sine curve or a trapezoid at the center. 2. The vehicle deceleration hump according to claim 1, which is formed of an elastic body (1a) made of slightly hard rubber or resin. 3. The vehicle deceleration hump according to claim 1 or 2, wherein the bulging portion (3) has a space (9) formed therein to breathe through the ventilation hole (4). 4. A space (9) is formed inside the bulging portion (3),
The vehicle deceleration hump according to claim 1 or 2, wherein a shock absorbing agent (11) such as gel is enclosed in the void (9).