JP3193351B2 - Synthetic resin tire stopper for parking lot - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a synthetic resin tire stopper for a parking lot which is installed in a parking lot to receive vehicle tires.

[0002]

2. Description of the Related Art
As a tire stopper in a parking lot of a large-scale store, a service area of a highway, etc., a horizontally long solid block made of concrete is used. In this case, sufficient adhesive strength may not always be obtained due to the presence of irregularities on the finished surface, the presence of oil components on the asphalt finished surface, etc. Even if a high bond strength is obtained, it can easily come off due to, for example, surface peeling of the finished surface by intermittently receiving the impact or load due to the retreat of the vehicle. Cracks and chipping at the edges due to the low parking area are likely to occur. It is necessary to be performed.

The present invention has been made in view of the above circumstances, and a problem to be solved is to provide a tire stopper for a parking lot which has excellent durability and does not require maintenance of the parking lot as much as possible. To provide.

[0004]

SUMMARY OF THE INVENTION According to the present invention, there is provided an underground embedding having a tire receiving portion for projecting a tire stopper on a finished ground surface such as concrete or asphalt and an embedding leg portion for embedding the tire stopper in the finished ground. In addition to the use of synthetic resin molded products, the interior of the tire receiving portion is made hollow and provided with reinforcing portions such as ribs, bridges, honeycombs, etc. In addition to the above, the embedding legs are provided at three positions at both ends in the longitudinal direction of a tire receiving portion having a hollow inside and at an intermediate position between the embedding legs. Or more protruding downward and having anchors at each of the embedded legs, to secure a high level of installation and fixing strength, and to secure the tie which is frequently subjected to the impact and horizontal load due to the retreat of the vehicle. As a stop, it securely prevents the detachment and minimizes the need for maintenance. In addition, the embedding legs are located along both ends in the longitudinal direction of the tire receiving portion and intermediate positions thereof, respectively. By arranging it so as to cross the cavity, the thermal contraction on the tire stopper side due to the difference in the thermal expansion coefficient between the finishing material such as concrete and asphalt and the synthetic resin can be prevented from one end of the tire receiving part to the other. In the longitudinal direction between each end and the intermediate position or between the intermediate positions of the embedded legs, in the range of each length in the longitudinal direction. From the section to each end or the adjacent intermediate position, and to absorb and absorb the amount of thermal shrinkage of the tire receiving part, to prevent the occurrence of deformation due to thermal shrinkage as much as possible, Highly secure its durability In other words, the invention according to claim 1 is characterized in that a tire receiving portion for projecting a finished surface such as concrete for receiving a tire of a vehicle and an embedding leg portion for embedding in the finished ground are provided. Is formed integrally with a synthetic resin, and the tire receiving portion is formed in a horizontally elongated box shape with a downward opening so as to form a cavity therein, and a reinforcing portion such as a rib, a bridge, or a honeycomb is provided in the cavity. At the same time, the embedding legs are provided at at least three positions at both ends in the longitudinal direction of the tire receiving portion and intermediate positions thereof so as to protrude downward along both ends of the tire receiving portion or so as to cross the hollow portion back and forth. And a synthetic resin tire stopper for a parking lot characterized by being provided with an anchor portion integrally molded, rear-installed or post-processed on the embedded leg portion. Improves installation fixing strength and solves deformation due to heat shrinkage 2. The synthetic resin for a parking lot according to claim 1, wherein the tire receiving portion is provided with an embedding peripheral portion for embedding in a finished ground at a lower end edge of the tire receiving portion. According to the third aspect of the present invention, the impacts and horizontal loads caused by the retreat of the vehicle are released to the ground to reduce the influence on the installation fixing strength as much as possible. The front surface of the vehicle tire side in the portion is formed as an inclined surface facing backward. The tire stopper made of a synthetic resin for a parking lot according to claim 1 or 2, wherein the invention described in claim 4 is possible. The above synthetic resin is made of low foam synthetic resin so that the weight can be reduced as much as possible, and defects due to molding sink can be eliminated as much as possible, and the production yield can be secured at a high level. Claim 1, characterized in that
The synthetic resin tire stopper for a parking lot described in 2 or 3 above,
These are the means of solving the above-mentioned problems as the gist of the invention.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings, in which A is a synthetic resin tire stopper for a parking lot. The tire receiving portion 1 for projecting the surface of the finished ground such as concrete and the embedded leg portion 8 for embedding in the finished ground are integrally formed of synthetic resin.
Is formed in a horizontally elongated box shape with a downward opening so as to form a hollow portion 2 therein, and a reinforcing portion 3 is disposed in the hollow portion 2 and the embedding leg 8 is connected to both ends in the longitudinal direction of the tire receiving portion 1 and its ends. At least three intermediate positions are provided so as to protrude downward along both ends of the tire receiving portion 1 or so as to traverse the hollow portion 3 back and forth, and are integrally formed with the embedding leg portion 8 and later installed or It is assumed that a post-processed anchor portion 9 is provided.

That is, the tire stopper A of this embodiment uses, for example, polyethylene and polypropylene as recyclable synthetic resin materials. For example, the former is 70 wt%, and the latter is 3 wt%.
The mixing ratio is 0 wt%, and in this example, a foaming agent is added thereto, and the mixture is integrally formed by injection molding. For example, the length is 70 cm, the height is 17.5 cm including the embedding legs 8, and the depth is 15c.
m, the thickness is 15 ± 5 mm, and in this example, 15 mm, and the tire receiving portion 1 is formed in a horizontally elongated box-like shape having a hollow portion 2 having a downward opening inside the tire receiving portion 1 with a thick synthetic resin. In this example, the upper portion of both sides in the longitudinal direction of the tire receiving portion 1 is inclined in an angled manner, and the front surface of the tire receiving portion 1 on the vehicle tire B side, for example, the upper portion thereof is set at 45 degrees. By making the inclined surface inclined backward at an angle, the front and side surfaces are provided with inclined surfaces, the lower and rear (rear) surfaces of these inclined surfaces are vertical, and the upper surface is the horizontal box with a narrow horizontal surface. There are things.

In this embodiment, the reinforcing portions 3 disposed in the hollow portion 2 are arranged at a predetermined pitch, for example, at a pitch of 4 to 5 cm.
cm width, and a number of ribs projecting 1.5 cm toward the cavity 2 side, while a bridge of 4 cm thickness is interposed at one position in the middle of the longitudinal direction, in this example, at the center position in this example. By doing so, a thick rib and a bridge are used together.

[0008] Similarly, in this embodiment, the embedding leg 8 is provided at both ends in the longitudinal direction of the tire stopper A and at the center thereof.
Along the both ends of the tire receiving portion 1 and across the hollow portion 2, it is installed in three places as a thick solid hanging portion which is arranged in a parallel solid state in the front-rear direction. The embedding legs 8 are formed along the both ends by hanging the side wall surfaces at both ends of the tire receiving portion 1 downward integrally as they are,
In addition, the bridge at the center of the cavity 2 is also suspended downward in the same manner so as to cross the cavity 2,
With a thickness of 4 cm and a height of 5 cm, the end portions of the tire receiving portion 1 and the bridge are integrally arranged with each other in the front-rear direction. , Which are tapered so as to have a V-shaped cross section, so as to facilitate the embedding installation by pushing the embedding leg 8 described later.

The anchor portion 9 of this embodiment is formed by a plurality of vertically extending grooves formed on the front and rear surfaces of the embedding leg portion 8, respectively. Accepts parking lot finishing materials,
After hardening, it engages with this to prevent it from falling out.
In particular, it is formed by a plurality of grooves opened laterally in front and back.

Reference numeral 4 denotes an embedding peripheral portion for embedding in the finished ground, which is provided at the lower end peripheral portion of the tire receiving portion of the tire stopper A of this embodiment. Is the lower end portion of the tire receiving portion 1 having a height of several cm or less, for example, 2 cm. In this case, in this example, the embedded peripheral portion 4 is attached to the tire so as to ensure the workability. The upper part of the receiving part 1 is formed to be slightly thin in the form of a step, and the upper end of the step is displayed as the embedding line 5 at the time of work.

Reference numeral 6 denotes a non-slip tire mounted on the front side of the vehicle on the inclined surface, and reference numeral 7 denotes a reflection plate or a reflection sheet which indicates the position of the tire stop A at night, which is also installed on both ends of the front side of the vehicle.

[0012] Explaining the installation of the tire stopper の in the parking lot of this embodiment, for example, after laying a ball on the parking lot site, the height of the embedding leg portion 8, and in this embodiment, further embedding. A parking lot finishing material such as concrete is cast to a thickness of, for example, about 8 to 10 cm having a thickness equal to or deeper than the total height including the height of the peripheral portion 4, and is adjusted to the installation position after the casting. Then, the tire stopper A is placed with its embedded leg 8 facing downward and pressed so as to apply pressure from above, whereby the embedded leg 8 having a height of 5 cm in the present example, in this example, The embedding peripheral portion 4 having a height of 2 cm of the tire receiving portion 1 and the embedding peripheral portion 4 may be embedded so as to be pushed into the finishing ground and wait for the finishing material such as concrete to harden. Material 8 above
Embedding leg 8 and embedding rim 4 for a thickness of ~ 10 cm
The total embedding height portion having a total height of 7 cm is embedded and installed in a finish such as concrete, and hardened, whereby the tire stopper A is firmly installed and fixed.

[0013] In order to improve the appearance of the installed state, the tire stopper is generally installed so as to divide the width of the parking space into three parts at an interval equal to its length. The tire stopper A is set to 70 cm in length, and is installed on both sides thereof at a distance of 70 cm in the middle according to a conventional method, so that the distance from 1.3 m of a mini car to 1.4 m, 1 m of an ordinary passenger car is obtained. The tire spacing of 0.6m will cover a wide range from 70cm to 2.1m as well as the concrete tire stopper of 60cm in length. It is possible to eliminate the inconvenience that one of the tires cannot be received for a vehicle with a tire interval exceeding that, and to prevent a collision accident of the vehicle due to retreat in the parking lot. 70 there are the above length in this example was
In general, the reflection plate or the reflection sheet 7 can be visually recognized from the driver's seat, and the backward movement of the vehicle can be accurately guided.

In the tire stopper A of the present embodiment, the tire stopper A is provided with a tire receiving portion 1 protruding from the surface of a finished ground made of concrete or the like and an embedding leg 8 embedded in the finished ground. Is made of a synthetic resin molded article. However, by providing the inside of the above-mentioned tire receiving portion with a hollow and thick reinforcing portion 3 comprising ribs and bridges, the amount of resin used can be reduced as much as possible. While ensuring sufficient strength such as impact resistance and compressive load.
At the three longitudinally opposite ends and the center of the tire receiving portion 1 having a hollow inside, an anchor portion 9 integrally installed on the side surface of the tire receiving portion 1 and the reinforcing portion 3 by the bridge and meshing with concrete is provided. By providing a high level of installation and fixing strength, the tire can be stopped intermittently due to the impact or horizontal load caused by the reversal of the vehicle, preventing the tire from coming off, and eliminating maintenance as much as possible. By receiving the tire B on the inclined surface of the tire receiving portion 1, the impact or horizontal load caused by the retreat of the vehicle is released to the ground, and the influence is prevented without impairing the installation fixing strength. The embedding legs 8 are integrally provided at both ends in the longitudinal direction and at the center thereof, so that finishing materials such as concrete and asphalt can be used. Thermal contraction on the tire stopper A side due to the difference in thermal expansion coefficient is prevented from occurring from one end of the tire receiving portion 1 to the other end, and the embedding legs at each end and the intermediate position are prevented. The heat shrinkage of the tire receiving portion 1 is dispersed in such a manner that the heat shrinkage of the tire receiving portion 1 is generated from the embedded leg portion 8 at the intermediate position to each end portion in the range of each length divided in the longitudinal direction between the portions. By absorbing it, deformation due to thermal shrinkage can be prevented as much as possible, and its durability can be secured to a high degree.
By embedding this together with the embedding legs 8, it is possible to improve the durability by eliminating the deformation caused by the heat shrinkage, and to further reduce the synthetic resin to polyethylene or polypropylene. Because it is based on foaming, it is possible to recycle and reduce the weight as much as possible.
The production yield can be enhanced.

Although the illustrated example is as described above, injection molding may be performed using one or a plurality of synthetic resins, including the case where other resins such as vinyl chloride are used. Thickness should be 0.4cm or more. In this case, the reinforcing portion of the cavity should be made of, for example, a honeycomb arranged in a filled shape, and ensure sufficient strength in relation to the thickness. , The reinforcing part being replaced by the ribs and bridges, one of which is replaced by a honeycomb, or a combination of these, and the embedding legs are provided at three positions in the longitudinal direction of the tire receiving part and at intermediate positions thereof. When the bridge is used as a reinforcing part, for example, when the bridge is used as a reinforcing part, the embedding legs are arranged at a position deviated from this or at both sides in the longitudinal direction. Instead of being integral with the ridge, the cavity shall be crossed in an independent form, the anchor shall have a downward-pointing arrowhead shape, and the anchor shall be split, for example, to facilitate injection molding. It shall be made of a separate member made into a mold, or another member made of a steel round bar that penetrates the embedded leg, etc., formed by installing these later, and cut out the embedded leg. By using a lamp such as an LED instead of the above-mentioned reflector or reflecting sheet, incorporating a power supply and providing wiring to emit light by using the lamp instead of the reflection plate or the reflection sheet, etc. Advertisement is possible, and the front and back sides can be used for advertising display by molding, printing, transfer, etc. Also, for example, a slide guide is installed on the top and bottom to make the advertisement display panel detachable and the advertisement display can be exchanged. You Including things like tire receiving portion, the hollow portion, the reinforcing portion, Umakomiashi unit, the specific shape of such an anchor portion, the material, structure, these relationships,
Additions to these may take various forms without departing from the gist of the invention.

[0016]

The present invention is configured as described above.
According to the first aspect of the present invention, the tire is reliably stopped as a tire stopper that frequently receives an impact or a horizontal load due to the retreat of the vehicle, has excellent installation fixing strength, and prevents deformation due to heat shrinkage, thereby achieving durability. It is possible to provide a parking lot tire stopper which is excellent in performance and does not require maintenance of the parking lot as much as possible. According to the invention of claim 2, the lower end of the tire receiving portion is embedded and installed. Thus, the installation fixing strength is further improved, and the deformation due to thermal shrinkage is eliminated. The invention according to claim 3 releases the impact or horizontal load due to the retreat of the vehicle into the ground to reduce the influence on the installation fixing strength. The invention described in claim 4 aims to reduce the weight as much as possible and to eliminate defects due to molding sink as much as possible, thereby ensuring a high production yield. To do Kill.

[Brief description of the drawings]

FIG. 1 is a perspective view of a tire stopper.

FIG. 2 is a front view of a tire stopper.

FIG. 3 is a side view of a tire stopper.

FIG. 4 is a bottom view of the tire stopper.

FIG. 5 is a vertical sectional view taken along line AA of FIG. 1;

FIG. 6 is a vertical sectional view taken along line BB of FIG. 1;

FIG. 7 is a side view showing a use state of the tire stopper.

[Explanation of symbols]

 A Tire stopper 1 Tire receiving part 2 Cavity part 3 Reinforcement part 8 Embedded leg part 9 Anchor part

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) E01F 13/00

Claims (4)

(57) [Claims] 1. A tire receiving portion for receiving a vehicle tire, for projecting a finished surface such as concrete, and an embedding leg portion for embedding in a finished ground are integrally formed of synthetic resin. The portion is formed in a horizontally elongated box shape with a downward opening so as to form a cavity inside, and a reinforcing portion such as a rib, a bridge, or a honeycomb is disposed in the cavity, and the embedding leg is disposed in the longitudinal direction of the tire receiving portion. At least three places between both ends and an intermediate position between the both ends of the tire receiving portion or crossing the hollow portion back and forth, and are disposed so as to protrude downward, and are integrally formed with the embedding leg portion, and are later installed or A synthetic resin tire stopper for a parking lot, wherein a post-processed anchor portion is provided. 2. The synthetic resin tire stopper for a parking lot according to claim 1, wherein an embedding peripheral portion for finishing underground embedding is provided at a peripheral edge of a lower end of the tire receiving portion. 3. The synthetic resin tire stopper for a parking lot according to claim 1, wherein the front surface of the tire receiving portion on the vehicle tire side is formed as an inclined surface facing rearward. 4. The synthetic resin tire stopper for a parking lot according to claim 1, wherein the synthetic resin is made of a low foaming synthetic resin.