CN85205698U - Anti-skid pin for tyre tread - Google Patents

Abstract

The utility model discloses an anti-skid pin for tyre tread structure which is arranged on a vehicle, such as a motor, when the vehicle drives on the snowy and icy road. A pin is embedded into the outer tyre surface of a tyre, and the flat end is uncovered on the outer surface of the tyre. The main feature of the pin lies in the exposed end of the pin is provided with two flat surfaces which is parallel with the inner wall of the tyre and two slightly convex surface which is perpendicular to the inner wall of the tyre. The cross section of the pin body part of the pin is square substantially, while the outward spreading bottom of the pin is ellipticum. So, when the vehicle starts or brakes, the slightly convex vertical surface of the pin is forced to extend out from the tyre according to the deformation of the deformation with selection.

Description

Anti-skid pin for tyre tread

The application that is disclosed here relates to when vehicle during in the travels down that covers snow or condense ice, is installed in the structure of the pin of the nail type tyre on the vehicle as automobile.

In general, use nail type tyre or anti-slipping chain is installed at the wheeled car of ice and the travels down that covered of snow and produce extra adhesive ability on the conventional tyre.In view of anti-slipping chain is installed the drive ability that difficulty and trouble and anti-slipping chain influence vehicle nocuously, so, whole winter road preferably used nail type tyre by the area that snow and ice covers.

As everyone knows, nail type tyre the inside nail has the pin that much is tufted into, and is exposed at the tire outer surface outside the end of pin, when the end of the pin that exposes with box lunch is pressed in snow or ice surperficial, descend by the freezing point that makes it and to come melt snow or ice, and the surface of the road of nipping, thereby tyre slip prevented.

Compare with conventional tyre with anti-slipping chain, the shortcoming that is used for the common pin of such nail type tyre is that the vehicle of band nail type tyre can not equally with the vehicle of loading onto anti-slipping chain stop soon or in short range, because anti-slipping chain has the adhesive ability bigger than pin.

In addition, after vehicle is checked,, make vehicle might enter the smooth of danger because nail type tyre interrupts adhesive ability sometimes.

Do not belong to the powerful vibration that is installed in the vehicle characteristics that travels on the tire with anti-slipping chain though nail type tyre does not produce, general nail type tyre might make the vehicle side on oscillation, and this swing causes drives difficulty.

In addition, the pin that is embedded in nail type tyre can become flexible because of Tyte Wear, and they can break away from tire at last.

Another problem of nail type tyre be to be subject to frequent and this fact of serious impact at the road of injustice from the pin of the exposure outstanding from the surface of tire.

Such impact can damage pin and tire, so that the consumption of fuel increases and vehicle is restive in regular travels down, because the parts of the damage of tire can be passed to vehicle to unsettled motion under high speed.

Certainly, noise also increases.

The application's first purpose is to solve the relevant problem of ordinary construction with the pin of nail type tyre, and the application's second purpose provides a kind of spike tyre pin of new structure, can keep nail type tyre vibration not to be passed to the intrinsic advantage of vehicle, and the pin of this nail type tyre can provide and smoothly travels and reduce the required distance of stopping.

In addition, the application's the 3rd purpose provides smooth-ride, thereby this tire neither can damage the road surface, also can not drop out by pin trailing wheel tyre cavity when wear on tyres.

Another purpose of the application is to promote requiring to make actv. in automobile neck city aspect safe and practical.

Fig. 1 is the general front elevation of the application's embodiment.

Fig. 2 is its lateral plan.

Fig. 3 is its top view.

Fig. 4 is an expression vehicle when travelling on covering snow or icy roads during the brake at it, the cross sectional view of the state of pin.

Fig. 5 is expression vehicle cross sectional view of the state of pin during starting on covering snow or icy roads.

Fig. 6 is the cross sectional view of the state of expression vehicle during normal travels down.

As Fig. 1,2 or 3 is illustrated, is embedded in the tread ［ 2 ］ of tire ［ 1 ］ according to many pins of being made by sintered carbide or similar material ［ 3 ］ of the application.

The shank of said pin ［ 3 ］ cross section partly is square substantially, rotatablely move so that prevent any of pin who imbeds the Outer Tyre face, and the abducent oval-shaped base ［ 4 ］ of pin is by Outer Tyre face ［ 2 ］ fix in position.

Thereby the abducent oval-shaped base ［ 4 ］ of pin ［ 3 ］ is designed to have the function of pinning pin and can avoid damaging tread ［ 2 ］ with respect to tread ［ 2 ］.

The end of pin ［ 3 ］ is flattened, form smooth face ［ 5 ］, this tabular surface exposes to the outside face of tire ［ 1 ］ fully, this pin has two flat surfaces ［ 6 that parallel with lower tire side wall, 6 ］ with two a little converx surfaces ［ 7 vertical with lower tire side wall, 7 ］, its position is with respect to the lengthwise position of tire when the tire kiss the earth.

Said flat surfaces ［ 6,6 ］ function that prevents the vehicle lateral slip is arranged, and when brake or starting, converx a little surface ［ 7,7 ］, the projection ［ 8 ］ that is made of each said converx a little surface ［ 7 ］ and flat end ［ 5 ］ has the effect that prevents that tire ［ 1 ］ from sliding, and therefore will reduce the needed distance of parking.

Tire ［ 1 ］ is provided with groove ［ 9 ］, and the bottom surface ［ 10 ］ of the bottom ［ 4 ］ of pin ［ 3 ］ is a convex surface.

When the vehicle fit on has many tires of imbedding pin ［ 3 ］, when on the road that covers snow or ice, travelling, the flat end ［ 5 ］ of each pin ［ 3 ］ is pressed to the surface of ice or snow, by reducing freezing point melt snow or ice, the surface of ice or snow so that nip in the end of pin, and the surface of road is hammered into effect.

When vehicle waved or turn to, because the power of lateral slip is passed to trailing wheel, the flat surfaces ［ 6 ］ that is in the pin end had the side on oscillation effect of opposing vehicle, thereby prevented that vehicle from sliding.

When just on the run vehicle brake, tire tread ［ 2 ］ along it peripheral deformation as shown in Figure 4, exerting all one's strength can penetrate groove ［ 9 ］ and because the elasticity of rubber causes that pin ［ 3 ］ tilts in tyre surface ［ 2 ］.

Therefore, with the converx a little surface ［ 7 ］ in lower tire side wall front vertical and that be positioned at tire (on the left side of Fig. 4) contact ice or snow and and the projection ［ 8 ］ that is in the convex surface comer edge fasten the slip of the surface-limited vehicle of ice or snow, therefore, it reduces the needed distance of stopping.

When vehicle starts on smooth road, pin ［ 3 ］ produces reversing sense and similarly tilts, as shown in Figure 5, in this occasion, the convex surface a little ［ 7 ］ on opposite flank (in Fig. 5 for the right) and fasten the slip that icing surface prevents vehicle together in the projection ［ 8 ］ of convex surface comer edge.

When vehicle is not having on the road of snow or during in the travels down that the mud that melts covers, because the bottom surface ［ 10 ］ of the bottom ［ 4 ］ of pin ［ 3 ］ is converx, as shown in Figure 6, so the flush end surface ［ 5 ］ of pin ［ 3 ］ keeps exposing and and pin concordant with the outside face of tire ［ 1 ］ also is pushed to the center of tire, scratch reduces to minimum and therefore reduces resistance to motion to road so that make pin, but thereby fuel saving.

In addition, because the bottom ［ 4 ］ of pin ［ 3 ］ is outwards expansion in tread ［ 2 ］, can suppress pin ［ 3 ］ and break away from tire ［ 1 ］, even pin ［ 3 ］ becomes loosening when wear on tyres, because the shank partial cross section of pin ［ 3 ］ is square substantially, so can suppress the rotation of pin ［ 3 ］ in tire ［ 1 ］, and only change the flat surfaces ［ 6 ］ and the position of convex surface ［ 7 ］ a little, can not hinder in side direction and the effect that hammers into vertically.

Similarly,, thereby can suppress pin and rotate, will can not damage tread ［ 2 ］ because the bottom ［ 4 ］ of pin is the ellipsoidal structure form.

Certainly, scope of the present invention is not limited to said above-mentioned embodiment, but variations and modifications are possible.

For example, the end face of pin can be curved surface.

As above said, the application provides excellent effect, namely during braking, can reduce reliably the lateral sliding of vehicle or delivery vehicle, so that the security of the vehicle that travels strengthens, still keep simultaneously providing than the tire that chain is installed more smoothly and the intrinsic advantage of the nail type tyre that travels more stably.

Similarly, be that according to the characteristics of the pin of the application's nail type tyre exposed junction at pin has flat surfaces that two and lower tire side wall parallel and two and the mutually perpendicular convex surface a little of lower tire side wall, when vehicle when the curv road, said flat surfaces to prevent rear wheel-side to slip be actv., and in the brake or the occasion of vehicle launch, said convex surface a little has been proved to be to preventing that sliding longitudinally is actv., and its basis is to utilize the deformation of tire protector at peripheral direction.

Thereby the application can be held on the snow surface by tire as the tire of fitting overall chain, keeps simultaneously that nail type tyre is level and smooth, the characteristics of smooth-ride.

In addition, because the cross section of the shank of pin part is square substantially, and abducent bottom is oval-shaped, even pin becomes loosening when wear on tyres, also can suppress pin rotates, when the orientation on flat surfaces and converx a little surface is changed, can not cause thus hammering into the deleterious effect of effect aspect.

Similarly, tire can not damaged in the bottom, and can reduce noise and improve the fuel economy effect.

In addition, the application's pin has simple in structure and in light weight, and manufacturing expense is in the expense of common pin below half.

Claims (3)

1, a kind of structure of pin of nail type tyre, said pin is embedded in the Outer Tyre face, the end of exposing of above-mentioned pin is concordant with the outside face of tire, the exposed junction that it is characterized in that said pin has two smooth surfaces parallel with lower tire side wall and two and the mutually perpendicular converx a little surface of lower tire side wall, the cross section of the shank part of pin is square substantially, and the bottom of the pin that outwards stretches is oval-shaped, can be selectively stretch out from the outside face of tire on wherein said converx a little surface, this is because the elasticity of rubber makes the peripheral deformation of tire along tread, when falling with convenient wear on tyres, the end of pin also wears away.

2, the pin of nail type tyre according to claim 1, the end face that it is characterized in that pin is flat.

3, the pin of nail type tyre according to claim 1 and 2, the bottom surface that it is characterized in that the said bottom of pin is a convex surface.

Images