JP2606773Y2 - Vehicle tires - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire for a vehicle, which is formed of an elastic material such as rubber, for example, a truck, a bus, a vehicle such as a passenger car, a special vehicle such as a lift,
Also used for motorcycles and other two-wheeled vehicles, forward or backward
Sliding at the time of retirement or stoppage with sudden braking is reliably prevented.

[0002]

2. Description of the Related Art Conventionally, for example, tires for vehicles such as trucks and buses are formed of an elastic material such as rubber.
A number of slips are formed on the outer peripheral surface to prevent slippage on the road surface. The typical shape of the non-slip was formed with, for example, a linear, corrugated, lightning-shaped, or diamond-shaped concave groove.

[0003]

However, the above-mentioned conventional non-slip, for example, formed in a linear shape, a corrugated shape, etc., has a relatively monotonous shape, and the direction of biting into the ground at the time of contact with the ground is the circumferential direction of the tire. Since it is limited to one direction perpendicular to the axis, when performing normal low-speed running, a sufficient frictional force against the ground has been exerted to prevent forward and backward sliding. However, it is not suitable for reliably preventing slippage when stopping by applying a brake during high-speed running or the like, or when climbing up a hill or descending a hill.

[0004] Further, in the conventional non-slip formed in lightning, rhombus, column, etc., the whole shape as one non-slip is formed by combining concave straight-line or curved groove bases. As a result, the digging area per one of the concave groove base portions with respect to the ground is reduced. Therefore, the anti-slip function is not fully utilized. Therefore, when the vehicle is stopped by applying the brake in the same manner, or when the vehicle is climbing up a slope or descending a slope, sliding cannot be reliably prevented.

[0005] Therefore, the present invention reliably prevents slippage when the brake is applied to stop running, climbs up a slope, or descends, and prevents the tire from sliding in the left and right direction.
The purpose is to prevent it.

[0006]

SUMMARY OF THE INVENTION In view of the above problems, the present invention is directed to a substantially circular front face bulging in the normal rotation direction of a tire on an outer peripheral surface of a tire body formed of an elastic material such as rubber. An arc-shaped first non-slip groove and a front substantially arc-shaped second non-slip groove bulging in the reverse direction of the tire body are provided so as to be in contact with straight lines parallel to the rotation axis of the tire body, respectively. The non-slip groove and the second non-slip groove are provided so as to intersect in a direction substantially orthogonal to an axis in a circumferential direction of the tire main body, and a third non-slip groove is provided in a width direction of the tire main body. Depression
The groove is provided in the circumferential direction, and the first and second non-slip grooves are provided substantially orthogonal to the third non-slip groove. Claim 2 is claim 1
In the first said non-slip groove and the second non-slip groove
The vertical cross-sectional shape is defined as the number of
The front side in the rolling direction is a curved surface part and
A vertical surface is formed on the rear side, and the first non-slip groove and the second
The other of the non-slip grooves is in contact with the ground among the opposing walls
A vertical surface is formed on the front side in the rotation direction
Adopts means characterized by the formation of a curved surface
Was. The third aspect is based on an elastic material such as rubber.
The normal rotation direction of the tire
The first non-slip groove having a substantially arcuate shape and a reverse rotation of the tire.
And a second substantially non-slip groove having a substantially circular arc shape swelling in the direction.
Contact with a straight line parallel to the rotation axis of the tire body.
The vertical cross-sectional shape of the first non-slip groove is
Of the walls, the wall on the front side in the normal rotation direction of the tire is the rear
Presents a curved surface that is concave toward the side, and forward rotation of the tire
The rear wall in the direction is vertical
At the same time, the vertical cross-sectional shape of the second
Wall on the front side in the reverse direction of the tire
It has a curved surface that is concave toward the rear side, and
Formed so that the rear wall in the reverse direction is vertical
Means of doing so were adopted.

[0007]

When climbing or descending a hill, the first non-slip groove of the tire body is located in front of the ground contact portion of the tire body (the portion where the tire body contacts the road surface due to the rotation of the tire body). The second non-slip groove of the tire main body grips on the slope of the road surface behind the ground contact portion of the main body (the site where the tire main body is separated from the road surface by the rotation of the tire main body), thereby preventing the tire from sliding. Also, by providing the first non-slip groove and the second non-slip groove so as to be in contact with a straight line parallel to the rotation axis of the tire body, at least one of the grooves is at the lowermost end (road surface) of the tire body. Of the tire body moves in the width direction (both ends) from the center of the tire body due to the rotation of the tire body, whereby the water on the road surface surface during rainy weather travels irrespective of the rotation direction of the tire body by the first sliding. It can be poured into the groove or the second non-slip groove to remove the water in the contact portion between the tire body and the road surface. At this time,
The vertical cross-sectional shape of the first non-slip groove and the second non-slip groove is
One of the first slip groove and the second slip groove faces each other.
The front side of the wall in the rotation direction that contacts the ground is a curved surface
The rear side of the opposite wall is formed in a vertical plane,
The other opposing wall of the first non-slip groove and the second non-slip groove
A vertical surface is formed on the front side in the rotation direction that touches the ground
And a curved surface is formed on the rear side,
Moisture on the road surface is curved regardless of the tire rotation direction.
Wall smoothly into the first non-slip groove or the second non-slip groove
To the bottom of the tire body
It can be reliably removed from the end (ground portion). Also concave
Due to the vertical surface of the groove, it may be necessary to
When rake or climbing, make sure the vertical surface is
Engaging and locking prevents slippage and
Stops reliably. In the width direction of the tire body, for example, substantially in the center, a third non-slip groove is provided in the circumferential direction, and the first and second non-slip grooves are provided so as to be orthogonal to the third non-slip groove. Therefore, it is ensured that the tire is prevented from sliding laterally or laterally when the tire slides to the left and right, and is drained by pouring into the third non-slip groove in case of rain.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. Reference numeral 1 denotes a tire main body formed of an elastic material such as rubber, synthetic rubber, or the like. The outer peripheral surface of the tire main body 1 has a substantially arc-shaped front surface bulging in the normal rotation direction a of the tire main body 1. a first non-slip grooves 2A and the second anti-slipping grooves 2B reverse direction a 'in the inflated positive surface substantially arc-shaped tire body 1, substantially in the axial line N provided in the circumferential direction of the tire body 1 The right and left sides of the tire body 1 cross each other at right and left
Large number is provided so as to contact with the rotating shaft and a straight line parallel.

Reference numeral 3 denotes a third portion provided substantially at the center in the width direction of the tire body 1 and substantially in line with the circumferential axis N in the circumferential direction .
Of a longitudinal groove as a non-slip grooves, that the tire body 1 by the circumferential grooves 3 slides in the lateral direction (width direction) relative to the ground 4, the so-called wobbling motion is prevented.

[0010] The anti-slipping grooves 2A is the curvature r as the front side (hand front side) shown in FIGS. 6 and 7 in the forward direction a of the tire with respect to the ground 4 of the walls of vertical cross-section that is opposed A vertical surface 5b is formed on the rear side of the opposing wall with the curved surface portion 5a having a vertical surface. The locking area is increased by the surface 5b being deeply digged into the ground 4 and locked, so that slippage is reliably prevented and stopped.

[0011] The anti-slipping grooves 2B are vertical surfaces 5'b is formed on the front side of the forward direction a of the longitudinal sectional shape thereof as the rotation direction of the tire as shown in FIGS. 3 and 4, the rear A curved surface portion 5'a having a curvature r is formed on the
When climbing a slope, the vertical surface 5'b penetrates deeply into the ground 4 and locks, so that the locking area increases and sliding is reliably prevented.

The relationship between the first non-slip groove 2A and the second non-slip groove 2B is, for example, as shown in FIGS.
By arranging the non-slip grooves 2B between the preceding arbitrary non-slip grooves 2A and the following non-slip grooves 2A of the tire body 1, the non-slip grooves 2A and the non-slip grooves 2B are arranged. Are intersected with each other at two right and left points a and a ′ substantially orthogonal to the axis N substantially coinciding with the vertical groove 3. And the inside of the anti-slipping grooves 2A or anti-slipping grooves 2B in substantially the center surrounded by the positive surface substantially arc-shaped anti-slipping grooves 2A and the positive <br/> surface substantially arc-shaped anti-slipping grooves 2B A leaf-shaped convex portion 8a is located, and convex pieces 8b; 8c, 8c are formed on the left and right of the convex portion 8a.

One embodiment of the present invention has the above configuration.
When traveling at a relatively low speed, as well as when climbing the slope 6 as shown in FIG. 3, when the tire body 1 is formed of an elastic material such as rubber or synthetic rubber, the outer circumferential surface of the tire body 1 has a reverse rotation direction a. swell as the large number of formed positive surface substantially arc shape '(see FIG. 5) anti-slipping grooves 2B are positive tire Unlike conventional anti-slipping formed by merely a straight line by contact with the ground 4 Swelled toward turning direction a
Firmly and stably grip the ground 4 bite into the ground 4 to the positive plane substantially arc shape.

At this time, as shown in FIGS. 3 and 4, a vertical surface 5'b of the non-slip groove 2B is formed on the near side in the normal rotation direction a of the tire as shown in FIGS. Since the ground 4 is deeply engaged with and engaged with the vertical surface 5'b, the hill 6 is reliably slid without slipping down when climbing the hill 6. Moreover, the vertical groove 3 formed in the center of the outer periphery of the tire main body 1 prevents the tire main body 1 from sliding in the left-right direction (width direction), and prevents the lateral displacement.

[0015] When descending a slope 6, or when to stop running by multiplying the sudden braking during traveling, the positive surface substantially circular bulging forward direction a of the tire body 1 on the outer peripheral surface of the tire body 1 Since the arc-shaped non-slip groove 2A is formed, unlike the conventional non-slip formed by a simple straight line on the outer periphery of the tire when the tire main body 1 is in contact with the ground 4 in the normal rotation direction a of the tire. headed swell positive plane substantially arc-shaped anti-slipping grooves 2A are firmly on the ground 4 bite into the ground 4 and stably gripped. At this time, since the non-slip groove 2A is formed in a cross-sectional shape in which a vertical surface 5b is formed on the rear side with respect to the ground contact surface of the tire as shown in FIGS. 6 and 7, the vertical surface 5b is grounded. 4 is deeply engaged, so that the locking area with respect to the ground 4 is increased more than a mere straight line, so that sliding on the downhill 6 is prevented. Moreover, the sudden braking can be easily and reliably stopped without inadvertent sliding.

In addition, the outer periphery of the tire body 1 formed of an elastic material such as rubber, synthetic rubber or the like has a non-slip groove between any preceding non-slip groove 2A and the following non-slip groove 2B. When the grooves 2B are arranged, a substantially leaf-shaped tree surrounded by a non-slip groove 2A and a non-slip groove 2B which cross each other at right and left points A and B 'substantially orthogonal to the axis N. Since the projection 8a and the projections 8b; 8c and 8c are formed on the left and right sides thereof, these projections 8a and projections 8b;
It is ensured that the vehicle travels up or down the slope 6 by applying a friction force when the wheels 8c and 8c are contacted with the ground 4 or stops suddenly by applying a brake.

[0017] The above examples positive surface substantially arc-shaped Nameratome凹bulging in the reverse direction of positive plane substantially arc-shaped anti-slipping grooves 2A and tire inflated the antislipping the tire body 1 in the forward direction of the tire in or forward or backward by forming a groove 2B, but still has measured the sliding of stopping bulges in opposite directions instead of the anti-slipping grooves 2A and anti-slipping grooves 2B positive surface substantially By providing a large number of arc-shaped non-slip ridges and non-slip ridges in a direction substantially perpendicular to the axis N provided at the center of the outer periphery of the tire main body 1, a slip is prevented when the tire moves forward or backward. Can also.

[0018]

As described above, according to the present invention, the first non-slip groove having a substantially arc-shaped front surface bulging in the normal rotation direction of the tire is provided on the outer peripheral surface of the tire body formed of an elastic material such as rubber. And a second non-slip groove having a substantially arc-shaped front surface bulging in the reverse direction of the tire so as to be in contact with a straight line parallel to the rotation axis of the tire body, and the first non-slip groove and the second non-slip groove are provided. The groove is
Because it is provided so as to cross in a direction substantially perpendicular to the circumferential axis of the tire body, it stops when braking, climbs up a slope, or descends regardless of the rotation direction of the tire. Sliding of the tire can be reliably prevented. Further, during running in rainy weather since pourable moisture road surface to the first or second anti-slipping in the groove, it is possible to reliably remove the moisture of the road surface from the lowermost end of the tire body. Also in the width direction of the present invention is a tire body tie such that the third non-slip grooves to first, substantially perpendicular to the second anti-slipping grooves
Since the tire is provided in the circumferential direction of the tire, it is possible to reliably prevent the tire from sliding sideways or slipping laterally in the left-right direction, and to prevent the moisture on the road surface from flowing in the first or second non-slip groove when traveling on rainy weather. 1. It can be removed from the lowermost end of the tire body by flowing into the third non-slip groove communicating with the second non-slip groove. Although not shown, the first
A third slip groove intersecting with the second slip groove;
It is also possible to repeatedly form a tread pattern consisting of
This is the scope of the invention.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a partially sectional side view of the same.

FIG. 3 is an explanatory side view showing a state of climbing a slope.

FIG. 4 is a partially enlarged sectional view of the same.

FIG. 5 is an enlarged front view partially showing the tire of the present embodiment.

FIG. 6 is a side view showing a state where the vehicle suddenly stops.

FIG. 7 is a partially enlarged sectional view of the same.

FIG. 8 is an enlarged front view partially showing the tire.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tire main body 2A Non-slip groove 2B Non-slip groove 3 Vertical groove 4 Ground 5a Curved surface 5b Vertical surface 5'a Curved surface 5'b Vertical surface 6 Slope a Forward direction a 'Reverse direction

Claims (3)

(57) [Scope of request for utility model registration] 1. A substantially circular arc-shaped first non-slip groove bulging in the normal rotation direction of the tire main body on the outer peripheral surface of the tire main body formed of a material having elasticity such as rubber and the reverse rotation direction of the tire main body. The inflated front substantially arc-shaped second non-slip groove is provided so as to be in contact with a straight line parallel to the rotation axis of the tire body, and the first non-slip groove and the second non-slip groove are provided to交又in a direction substantially orthogonal to the circumferential direction of the axis of the tire body in the width direction of the tire body formed a third non-slip grooves over the circumferential direction, and the first, second A vehicle tire characterized in that the non-slip groove is provided substantially orthogonal to the third non-slip groove. 2. A longitudinal cross-sectional shape of the first non-slip groove and the second non-slip groove is such that one of the walls is in contact with the ground among the opposing walls.
The front side in the rotating direction forms a curved surface and faces
A vertical surface is formed on the rear side of the wall, and the first non-slip groove is provided.
And the other of the second non-slip groove and the ground surface
A vertical surface is formed on the front side in the rotation direction in contact with
The vehicle tire according to claim 1, wherein a curved surface portion is formed on a rear side . 3. An elastic material such as rubber.
Bulges in the normal rotation direction of the tire on the outer peripheral surface of the tire body
The first non-slip groove having a substantially circular arc shape is expanded in the reverse direction of the tire.
The second non-slip groove having a flat circular arc shape and the tire
Provided in contact with a straight line parallel to the rotation axis of the body;
The vertical cross-sectional shape of the non-slip groove is
The front wall in the forward direction of the ear is concave toward the rear.
In the shape of a curved surface, and in the normal rotation direction of the tire.
The rear wall is formed to be a vertical surface, and the
The vertical cross-sectional shape of the second non-slip groove is changed to that of the opposite wall.
That is, the front wall in the reverse direction of the tire faces rearward.
It has a curved surface that becomes concave when
That the wall on the rear side is vertical.
Features vehicle tires.