JP2876401B2 - Anti-skid device for snow tires on automobile tires - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an anti-skid device for snowy roads which is detachably mounted on the outside of an automobile tire for use.

[0002]

2. Description of the Related Art Most conventional anti-slip devices for automobile tires use snow chains or spike tires. When snow chains are used, the vehicle body is alternately jacked each time it is attached or detached. It must be done up, and it takes considerable time and effort to mount it, and it has drawbacks such as suffering from intense vibration and noise while traveling, and when using spiked tires, it is different from normal It is necessary to prepare it, and it is necessary to jack up the body at the time of attachment and detachment, loosen the hub nut, and perform the tightening work, which has the disadvantage that it takes time to attach and detach, all of which require high cost, and The road surface has been damaged, and environmental pollution due to the dust has become a social problem, and its improvement has been demanded.

There have been disclosed a few devices in which the above-mentioned disadvantages have been improved. However, in each case, there is provided a non-slip device for an automobile tire which can drastically eliminate the disadvantages of the conventional device only with a complicated structure and higher cost. Does not yet exist.

[0004]

SUMMARY OF THE INVENTION Therefore, the present invention is intended to effectively prevent a vehicle from slipping on a snowy road or a frozen road surface during snowfall or freezing by placing it vertically on the outside of a car tire before snowfall season. It can be run while preventing it, and it can be easily worn by girls, vibration and noise are small during running, there is little damage to the road surface and dust is scattered, and cars go out of snowy roads and frozen roads At times, we have developed a snow tire anti-slip device for automobile tires that can be run with the anti-slip device on just by reducing the air pressure of the tire, can be attached and detached, and can be manufactured at low cost due to its simple structure. An object of the present invention is to eliminate the above-mentioned drawbacks of the prior art.

That is, in the conventional anti-slip device using a snow chain or the like, the anti-slip device according to the present invention is mounted on a horizontal line of the tire or across the vertical and horizontal directions. A new automobile tire snowy road which has a simple plate structure to be mounted and used on a vertical line, and which is extremely easily mounted and fixed to the outside of a tire completely detached from the conventional anti-slip device. It is intended to obtain a non-slip device.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a snow-skid anti-skid device to be mounted on the outside of an automobile tire after various trials and researches, and to provide A substrate made of a strong and rustproof metal disk or a tough synthetic resin disk made of stainless steel or brass with a diameter that covers up to half of the width of the tire body, with a thickness of about 1.5 cm or more. By engraving a plurality (a large number) of grooves at a constant interval in the circumferential direction on the peripheral edge of the disk, the grooves being inclined at about 45 degrees to the center line of the disk and crossing in the width direction.
A plurality (many) of protrusions inclined about 45 degrees toward the center line of the disk are continuously provided on the periphery of the disk, and four bottle insertion holes are formed near the center of the disk. Also, a plurality of circular windows for injecting / extracting air are formed on concentric circles near the periphery of the disk to form an anti-skid plate on a snowy road. About 1cm
It is configured by inserting each bolt into each bolt insertion hole of the above plate and screwing it to the tire fixing bolt of the wheel via a double nut, when the car runs on snowy road or frozen road surface Insert the fingers into the side of the body of the tire through the air injection / extraction circular window, loosen the valve of the tire, release about 50% of the air from the tire, and reduce the air pressure of the tire by half. Is parallel to the tire on a snowy or frozen road surface in parallel with the tread of the tire so that the tire can be prevented from slipping due to the action of the gear-type projection of the plate, and By returning the tire pressure to its original value when the vehicle comes out of a frozen road surface,
The above-mentioned problem can be solved by developing a snow-skid anti-skid device for automobile tires, in which the snow-skid anti-skid plate is automatically lifted off the road surface and runs only with tires as usual.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings. As shown in FIG. 1, FIG. 2 and FIG. 5, the diameter of the dimension covering the eight surfaces of the tire T (about 10 cm in width) and about half (about 10 cm) of the body t 'of the tire T of a general passenger car tire T such as a normal car or a small car. A metal disc 1 having a thickness of about 1.5 cm or more and having a strong and rustproof property made of about 50 cm of stainless steel or brass is used as a substrate, and its periphery is inclined at about 45 degrees with respect to the center line of the disc. A plurality of (many) concave grooves 2 having a height of about 0.5 cm and a width of about 1.07 cm crossing the periphery in the width direction are engraved at regular intervals in the circumferential direction, so that A plurality (many) of the protrusions 3 inclined at about 45 degrees toward the center line are continuously provided in a gear-type manner in the circumferential direction, and four bolt insertion grooves 4 are formed near the center of the disk. A plurality of circular windows 5 for injecting / extracting air are formed in concentric circles near the periphery of the disk. Between the bets insertion hole 4 and the air injection and draw-off for round window, Figure 3 and the annular shock absorbing cushioning material C of an arbitrary width by as rubber material shown in FIG. 4
To form a non-slip plate on snowy roads,
The plate is placed on the outside of the automobile tire at a distance of about 1 cm, and the bolt 6 is inserted into each of the bolt insertion holes 4 of the plate B.
, And screwed into a tire fixing bolt 9 of a wheel 8 via a double nut 7. When the vehicle travels on a snowy road or a frozen road surface, the tire side from the air injection / extraction circular window 5. Put your finger on the tire T
By loosening the valve 10 and extracting about 50% of the air to reduce the air pressure of the tire by about half, the anti-skid plate B becomes horizontal with the tread 11 of the tire as shown in FIG. By grounding on a snowy or frozen road surface 12 and running in parallel with the tires as shown in FIG. 7,
The plate-type protrusion (3 ...) of the plate acts to prevent the tire from slipping, and when the vehicle runs out of snowy or frozen roads, the tire pressure is restored to the original value. As shown in FIG.
Is an anti-skid device for snowy roads of automobile tires, characterized in that the device automatically rises from the road surface and runs only with tires as usual. Reference numeral 13 in the drawing indicates a dry road surface.

FIGS. 8 and 9 show a snow-slip prevention device according to the present invention using a snow-skid anti-slip plate B 'when the shock-absorbing cushioning material C is not incorporated in the snow-skid anti-skid plate B. A ', which can sufficiently prevent the tires of the automobile from slipping on snowy roads and icy roads in the same manner as in the device A, except that there is a lack of cushioning compared to the device A. The same functions are performed, and operations such as mounting and dismounting of the tire can be performed in exactly the same manner. Therefore, since the number of members is small, the production cost can be further reduced, and the cost can be reduced.

FIG. 10 shows a non-slip plate B for snowy roads.
(7) Another embodiment of the shape of the concave groove and the protrusion provided on the edge is shown, and the protrusion (3...) Is changed to a substantially S-shaped protrusion (3 ′...). The anti-skid plate B ″ having a large contact area with the snow has an effect of increasing the anti-slip effect of the automobile tire and further reducing the vibration of the automobile.

[0010]

As is clear from the above description, the anti-skid device for snowy roads of automobile tires according to the present invention has the following effects. The device to the tire can be operated from the outside with very simple operation, it is removable and can be easily worn by anyone such as girls, and it is extremely easy to remove, and all the handling and other handling are easy. . Moreover, since it can be firmly mounted, it does not easily fall off while the vehicle is running.

Before the snowfall season or before reaching the snowy road, the tire is mounted on the tire and the air pressure of the tire is reduced by a simple operation when traveling on a snowy or frozen road. The tires can be completely prevented from slipping by running in parallel with the tires by touching the ground horizontally.

According to the present invention, the impact given to the vehicle body by the action of the gear-type projection of the anti-slip plate on the snow contacting the ground and the action of the shock absorbing cushioning material is extremely small, and vibration and noise are suppressed. In addition, the riding comfort is extremely good, and furthermore, it is possible to minimize the damage to the running road surface and the scattering of dust to the surroundings, thereby minimizing the pollution of the environment.

When the tire is punctured, the plate is automatically grounded and an alarm is issued, so that accidents can be prevented. Further, by mounting the plate on the tire, a wheel cover becomes unnecessary, and the same aesthetic feeling as the wheel cover is obtained. It may be used at all times.

Since the device of the present invention has a very simple structure, it has a very low production cost and can be provided at a low cost as compared with the conventional device. It can be said that the present invention has a great benefit and can contribute to society, for example, it can withstand long-term use and has the above-mentioned fuel economy and great economic effects.

[Brief description of the drawings]

FIG. 1 is a perspective view of an anti-skid plate on a snowy road of an automobile tire of the present invention before being mounted on the outside of the tire by bolts.

FIG. 2 is a cross-sectional view of an apparatus for preventing snow from slipping on an automobile tire according to the present invention in which a snow-slip preventing plate is mounted on the outside of the tire.

FIG. 3 is an enlarged cross-sectional view of a part of a non-slip plate on a snowy road (a shock absorbing cushioning material fitting portion).

FIG. 4 is a plan view in a case where a shock absorbing cushioning material is fitted in a snowy road anti-skid plate.

FIG. 5 is a partially enlarged side view of a concave groove and a protrusion provided on a peripheral edge portion of a snowy road anti-slip plate.

FIG. 6A is a side view of the snow-slipping prevention device when traveling on a snowy road. (B) is a side view of the snow-slip prevention device when traveling on a snowy road by reducing the air pressure of the tire.

FIG. 7 is a diagram showing a use state of the present invention.

FIG. 8 is a perspective view of the snow-road anti-slip plate of the present invention when no shock absorbing cushioning material is provided.

FIG. 9 is a cross-sectional view of the snow tire anti-skid device of an automobile tire according to the present invention when no shock absorbing cushioning material is provided.

FIG. 10 is a partially enlarged side view of an embodiment in which the shape of the concave groove and the protrusion on the peripheral edge portion of the snow-slip non-slip plate are different.

[Explanation of symbols]

 A, A 'Anti-skid device for snowy roads B, B', B "Anti-skid plate for snowy roads C Shock absorbing cushioning material 1 Metal disk 2, 2 'concave groove 3, 3' convexity 4 Bolt insertion hole 5 Air Filling / extracting round window 6 Bolt 7 Double nut 8 Wheel 9 Tire fixing bolt 10 Valve D Axle T Tire t 'Tire body 11 Tread 12 Snow road surface 13 Dry road surface

Claims (2)

(57) [Claims] An anti-slip device for snowy roads mounted on the outside of an automobile tire, having a diameter capable of covering up to half of a wheel surface of the automobile tire and a half width of a body of the tire, and having a thickness of about 1, Use a strong rust-proof metal disk made of stainless steel or brass of 5 cm or more or a strong synthetic resin disk as a substrate, and incline about the periphery of the disk by about 45 degrees with respect to the center line of the disk. By engraving a plurality of concave grooves crossing in the width direction at regular intervals in the circumferential direction, a plurality of tire anti-slip protrusions inclined at about 45 degrees toward the center line of the disc on the periphery of the disc. Are provided continuously, and furthermore, 4 near the center of the disk.
And a plurality of circular windows for injecting / extracting air on a concentric circle near the periphery of the disk, and a rubber is inserted between the circular window and the bolt hole. A snow road anti-skid plate is formed by fitting an annular shock absorbing cushioning material having an arbitrary width made of a material, and the snow road anti-skid plate is arranged at a distance of about 1 cm outside the automobile tire, and each bolt is mounted on the plate. It is constructed by inserting it into each bolt insertion hole and screwing it to the tire fixing bolt of the wheel via a double nut, when the car is running on snowy roads or frozen roads
By inserting a finger through the extraction window and loosening the valve of the tire to reduce the air pressure of the tire by about 50%, the non-slip plate on the snowy road is in contact with the tread of the tire and on the snowy or frozen road surface in parallel with the tire. When the vehicle runs on a dry road surface outside a snowy road, the tires are prevented from slipping due to the gear-type protrusion of the plate, and the tires are prevented from slipping on the snowy road by combining the air pressure of the tires. A non-slip device for snow tires of automobile tires, wherein a plate is automatically lifted off the road surface and is run with only tires as usual while being mounted. 2. The anti-skid device for snow tires of an automobile tire according to claim 1, wherein no shock absorbing cushioning material is provided in the anti-skid road plate.