JPH0636903U - Stick-on spin prevention card - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a stick-type spin prevention card capable of improving the grip performance of a tire by a simple mounting work and effectively preventing slip and spin. [Structure] A plurality of convex portions 12 are formed on the surface of a circular synthetic rubber plate 10. Then, the superhard particles 14 are partially exposed and embedded on the surface of all or part of the convex portion 12. The step formed by the rubber plate 10 and the convex portion 12 and the frictional force of the cemented carbide particles 14 improve the grip performance of the tire. Further, the plurality of convex portions 12 are formed so that the number of juxtaposed portions increases toward the central portion of the circular rubber plate 10. As a result, due to the circular shape of the rubber plate 10 and the grid pattern of the convex portions 12, the impact force between the rubber plate 10 and the road surface can be made small and peeling can be effectively prevented.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a stick-type anti-spin card that is stuck on the tire surface of a vehicle to increase the grip of the tire and prevent slips and spins during running.

[0002]

[Prior art]

 In order to effectively prevent the vehicle from spinning when the vehicle is running, it is necessary to secure the grip force of the tire and prevent the slip. This prevention of slippage is especially required when driving in the rain or running on snowy roads.

Conventionally, as means for preventing tire slip and vehicle spin under such adverse conditions, a so-called metal or non-metal chain is attached to the tire or a metal pin is embedded in the tire itself. Spike tires are used.

[0004]

[Problems to be solved by the device]

 Of the above-mentioned conventional slip and spin prevention means, the winding of the chain cannot be attached during normal traveling, so the problem of the attachment and detachment of the chain being necessary is extremely troublesome. there were.

Further, since the spiked tire can be used even during normal traveling, there is no problem that the attachment / detachment work is troublesome. However, the cost is higher than that of chains, and in recent years, there is a problem that it causes dust pollution. That is, the problem is that the spike pins embedded in the tire cause the pavement components on the road surface and the metal powder of the pin itself to fly into the air, causing environmental pollution.

[0006] Therefore, as a means for effectively preventing the slip of the tire and the spin of the vehicle, it is desired to develop a means that is easy to install and less likely to cause dust pollution. The purpose of the present invention is to solve the above problems. The purpose of the present invention is to effectively prevent slipping and spin by sticking on the surface of a normal tire, and peeling off while running. The purpose is to provide a stick-type spin prevention card with little fear.

[0007]

[Means for Solving the Problems]

 In order to achieve the above object, a stick-type spin prevention card according to the present invention comprises a substantially circular synthetic rubber plate having one surface stuck to a tire surface, and a plurality of synthetic rubber plates formed on the other surface of the synthetic rubber plate. A plurality of convex portions, and cemented carbide particles embedded in a partial exposed state at predetermined locations on the surface of all or a part of the plurality of convex portions, wherein the plurality of convex portions are the rubber It is characterized in that the plate is arranged so that the number of the plates arranged in parallel in the direction orthogonal to the direction increases from one outer peripheral edge of the plate toward the center, and decreases from the center toward the other outer peripheral edge.

[0008]

[Action]

 By attaching one surface of the synthetic rubber plate, which is the main body of the stick-type spin prevention card, to the tire surface with an adhesive or the like, the card can be easily attached. Further, on the surface side of the synthetic rubber plate, in order to improve the tire gripping force, a plurality of convex portions for installing particles for exposing and holding the superhard particles are formed. That is, the tire surface has a step due to the thickness of the rubber plate and the convex portion for particle placement formed on the surface. This step difference can increase the frictional resistance of the tire to the road surface and effectively prevent the occurrence of hydroplaning phenomenon.

Further, in the present invention, the synthetic rubber plate, which is the card body, is formed in a substantially circular shape, and the plurality of particle-mounting projections formed on the synthetic rubber plate are formed toward the center from the outer peripheral edge of the rubber plate. It is formed so that the number of juxtapositions in the direction orthogonal to that direction increases and decreases from the center toward the other outer peripheral end. As a result, the stick-type spin prevention card stuck on the surface of the tire will end up colliding with the road surface every time the tire rotates while the vehicle is running, but the end of the rubber plate will be round. Since it is formed, the impact at the time of the collision is mitigated due to the curved end. Further, the number of the particle-mounting convex portions that collide with the road surface gradually increases and gradually decreases as the tire rotates. That is, until the end of the rubber plate comes into contact with the road surface and the center comes into contact with it, the number of the convex portions for particle installation to the road surface also gradually increases, and conversely from the center to the other end. The number decreases as it moves to the department side. Therefore, the impact from the road surface applied to the entire card while the vehicle is running is smoothly increased and decreased, and it is possible to effectively prevent the card from coming off due to the impact.

[0010]

【Example】

 1A and 1B are views showing the overall structure of a stick-on type spin prevention card according to an embodiment. FIG. 1A is a plan view and FIG. 1B is a side sectional view.

In the figure, the synthetic rubber plate 10 is formed of a special reinforced rubber in order to obtain sufficient durability, its shape is circular, and its basic thickness is about 1 mm. There is. Further, as can be understood from FIG. (B), it can be easily curved with a predetermined curvature so that the whole is in close contact with the curved surface of the tire surface.

On the surface side of the circular rubber plate 10, for example, nine convex portions 12 are formed. Cemented carbide particles 14 are embedded in the central portions of the nine convex portions 12, respectively. The cemented carbide particles are formed, for example, by mixing an alloy of tungsten and cobalt and ceramic in a predetermined ratio.

When attaching the super hard particles 14, first, the particle holding piece 18 having the flange 18 a in which the super hard particles 14 are embedded is inserted into the central opening 16 of the convex portion 12 from the surface side of the rubber plate 10. . After that, a washer or a C ring 19 is inserted into the particle holding piece 18 protruding from the back surface of the rubber plate 10, and the end surface of the particle holding piece 18 is caulked to attach the cemented carbide particles 14 to the convex portion 12. finish. The particle holding piece 18 is made of, for example, the same material as the rubber plate 10, that is, a special reinforced rubber or the like, and the superhard particles 14 are partially exposed at the tip of the particle holding piece 18. It is buried in.

Further, each of the convex portions 12 protrudes from the surface of the rubber plate 10 by, for example, 5 mm, and the peripheral edge of the convex portion 12 is cut out in a slit shape along the radial direction from the peripheral wall toward the center, for example, 8 pieces. The slit 24 is formed.

When the grid pattern formed by the plurality of convex portions 12 is viewed in the diametrical direction, for example, in the direction of arrow 100, the number of the convex portions 12 arranged in the direction orthogonal to the direction 100 is equal to that of the rubber. The number increases toward the center of the plate 10 as 1 → 2 → 3 →. Further, the number decreases from the center portion toward the other outer peripheral edge in the order of 3 → 2 → 1 piece.

The sticking type spin prevention card of FIG. 1 is attached to the tire surface by applying an adhesive to the back surface 10a side of the rubber plate 10 and directly sticking the same onto the surface of a normal tire. . At this time, the tire is attached so that the circumferential direction of the tire and the arrow 100 direction in FIG. Multiple stick-type spin prevention cards are usually made for one tire. Then, for example, in the case of two sheets, the attachment positions are attached so as to face each other in the direction of 180 degrees so as not to lose the balance when the tire rotates.

2 (A) and 2 (B) show a plan view and a sectional view of another embodiment of the present invention, respectively. In this embodiment, a rubber plate 10 is formed. The number of convex portions 12 formed is seven. Further, the grid pattern is formed so that the number of juxtaposed pieces increases toward the central portion of the rubber plate 10 as in the embodiment of FIG. When viewed in the direction of arrow 100 as shown in the figure, the number of juxtaposed central portions of the rubber plate 10 is one, but actually four convex portions adjacent to the convex portion 12 at the central portion are provided. Since the contact with the road surface is almost the same as that of No. 12, the number of the juxtaposed pieces increases toward the central portion, and the number of juxtaposed pieces decreases toward the other outer peripheral end, which can be considered to be the same as in FIG.

Although FIG. 2 shows a state in which the cemented carbide particles 14 are not attached to the convex portions 12, when completed, the central portion of each convex portion 12 is shown in FIG. The particle holding piece 18 to which the superhard particles 14 are attached is fitted in the same manner as the example shown in FIG.

Next, FIG. 3 is a view showing another embodiment of the present invention. In this embodiment, the central concave portion 36 is formed in the convex portion 12, and the cemented carbide particles 14 are embedded in the central concave portion 36. The embedding of the superhard particles 14 is performed by, for example, mixing an alloy of tungsten and cobalt and ceramic at a predetermined ratio, and kneading the mixture with an adhesive to embed it.

In the embodiment of FIG. 1, the particle holding piece 18 in which the cemented carbide particles 14 are embedded is fitted in the central opening 16 of the convex portion 12, whereas in the embodiment of FIG. The difference is that the cemented carbide particles 14 are directly embedded in the central concave portion 36 of the shaped portion 12. Other configurations are similar to those of the embodiment shown in FIG.

According to the present embodiment, since the particle holding piece is not required, it is possible to reduce the cost of producing the adhesive spin prevention card according to the present invention. Further, since the present spin prevention card is integrally manufactured by the special reinforced rubber, even if the central concave portion 36 is formed, the manufacturing process does not become complicated.

When the stick-type spin prevention card of each of the above embodiments is attached to the tire surface, a step is formed on the tire surface due to the thickness of the rubber plate 10 and the height of the convex portion 12. Due to this step, the water film that easily forms between the tire and the road surface can be destroyed during high-speed driving in rainy weather, and the occurrence thereof can be effectively prevented, so that the occurrence of hydroplaning phenomenon can be prevented. .

Further, the spin prevention card of this embodiment also exhibits an excellent effect on tire spin or skidding. That is, first of all, the grip performance is improved by the presence of the convex portions 12 and the cemented carbide particles 14 at the tips thereof dispersedly arranged on the rubber plate 10. In addition, for example, the cemented carbide particles 14 made of solid ceramic particles having a diameter of 8 mm and a thickness of 3 mm are cracked into several pieces by the action of the ground load to increase the unevenness, and the road surface impact force is dispersed to provide a non-slip effect. Can be increased. Further, even if the steering wheel is turned due to a sharp curve or the like and skid occurs on the normal tire portion due to centrifugal force, the skid can be reduced by, for example, alternately grounding the two spin prevention cards. In addition, when skidding occurs on the normal surface of the tire as described above, lateral microvibration occurs when the two anti-spin cards come into contact with the ground, and the driver can feel this as a warning to start skidding. Explaining this concretely, for example, the rotation speed of a tire running at 100 km / h is 15 rotations per second, and when two spin prevention cards are attached to one tire, 30 spin prevention cards are required per second. It will be grounded. In this way, the spin prevention card touches the ground every 1/30 seconds, so it is difficult for spin to occur. In this spin limit state, the driver experiences the slight vibration of 30 cycles, and the car spins normally. It is possible to warn the driver 1/3 seconds before it is necessary to do so, and it is also possible to prevent accidents caused by spins.

Further, in the spin prevention card of the present embodiment, as compared with the spike tire, the super-hard particles 14 are mainly composed of ceramic, so that it is possible to reduce the scattering of metal powder into the air during normal running. According to the experiment by the present inventor, the dust amount was 1/15 of that of the spike tire when measured with an asphalt roller.

Further, the rubber plate 10 of the present embodiment is formed in a circular shape, and the grid pattern of the convex portions 12 increases in number in parallel toward the central portion of the rubber plate 10 as described above. Since it is formed as described above, the collision impact of the rubber plate adhered to the road surface during traveling of the vehicle is reduced as compared with the case where the end surface of the rubber plate 10 is linearly formed, and the collision of the convex portion 12 is also suppressed. Since the number of them will gradually increase, a smooth collision will occur, and the impact received from the road surface during traveling will be mitigated, and peeling can be effectively prevented.

Further, in the present embodiment, the diameter of the rubber plate 10 is set in consideration of the distance between the outer peripheral surface of the tire and the vehicle body in the portion facing the tire. That is, if a part of the rubber plate 10 is peeled off while running for some reason, the diameter is set to 100 to 130 mm, for example, so that the peeled part does not immediately contact the fender of the vehicle body. . It is also possible to set the diameter of the rubber plate 10 by adjusting the diameter so that the peeled tip comes into contact with the vehicle body and produces a contact noise. Therefore, when the rubber plate 10 has a long shape and is stuck with the longitudinal direction thereof facing the circumferential surface of the tire, when the rubber plate 10 is partly peeled off, the peeled part touches the vehicle body completely. It is also possible to effectively prevent peeling off.

It should be noted that the present invention is not limited to the configuration of the above-described embodiment, and various modifications can be made, for example, in the number of the convex portions 12 and the installation location of the cemented carbide particles 14. is there.

[0028]

[Effect of device]

 As described above, the stick-type spin prevention card according to the present invention improves the grip performance of a tire by simply sticking it on the surface of a conventional tire, and prevents slips and spins. It is possible to improve the driving safety on snowy roads.

Furthermore, since the adhered state is stabilized, there is little risk of peeling off from the tire during running.

[Brief description of drawings]

FIG. 1A is a plan view of a first embodiment, and FIG.
FIG. 3 is a vertical sectional view of the embodiment.

2A is a schematic plan view of another embodiment, and FIG. 2B is a vertical sectional view of the embodiment shown in FIG.

FIG. 3A is a schematic plan view of another embodiment, and FIG.
FIG. 3 is a vertical sectional view of the embodiment shown in FIG.

[Explanation of symbols]

 10 Circular rubber plate 12 Convex part 14 Carbide particle 18 Particle holding piece 22 Ring-shaped convex part 24 Slit

Claims (1)

[Scope of utility model registration request] 1. A substantially circular synthetic rubber plate, one surface of which is attached to the tire surface, a plurality of convex portions formed on the other surface of the synthetic rubber plate, and all of the plurality of convex portions. Or, including a cemented carbide particle that is partially embedded in a predetermined location on a part of the surface, and wherein the plurality of convex portions are orthogonal to the direction from one outer peripheral end of the rubber plate toward the center. The stick-type spin prevention card is characterized in that the number thereof arranged in the same direction is increased and the number thereof is decreased as it goes from the center toward the other outer peripheral end.