JPH082223A - Tire antiskidding device - Google Patents

Abstract

PURPOSE:To secure a tire antiskidding device that is able to check any bulkiness in time of storage by separately constituting an antiskid arm and a device body, requiring no parts including an attachment or the like on the inside of a tire wheel, and easily detachable. CONSTITUTION:In this antiskidding device, a device body 3 and an antiskid arm 5 are separable from each other, and this antiskid arm 5 formed with plural pieces of wedge-form connecting pieces in the device body 3 to be attached to the side of a tire wheel 13 is inserted into a connecting hole part provided with a connecting plate 17 attached tight to these wedge-form connecting pieces 18 in an inner part of the device body 3 and connected thereto.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire non-slip device mounted on a tire of a vehicle traveling on a snowy road surface or an ice and snowy road surface.

[0002]

2. Description of the Related Art As is well known, there are metal and non-metal chain-like and net-like tire chains that are attached to the outer circumference of a tire as a vehicle tire anti-skid device, but these are tires. When attached to, the side parts such as chains and nets are hung on both sides of the tire for connection. For this reason, at the time of mounting, the vehicle is lifted by a jack or the like so that the tire is floated and mounted, or the tire is connected to the side surface of the tire inside the vehicle by groping, and the mounting work is considerably troublesome.

In order to solve these problems, in recent years, an anti-slip device has been proposed in which an attachment is previously attached to the inside of the tire wheel so that the attachment can be performed from the outside of the tire. However, even in this anti-slip device, it takes time and labor to attach connecting parts such as attachments to the inside of the tire wheel in advance, and since the anti-slip arm is fixed to the anti-slip device itself, it is necessary to store it at the time of storage. Is large and bulky and inconvenient.

[0004]

SUMMARY OF THE INVENTION In consideration of the above facts, the present invention eliminates bulkiness at the time of storage by dividing a plurality of anti-slip arms and an apparatus main body, and even when mounting on a tire. A tire non-slip device that can be easily attached to and detached from a tire without attaching tires or lifting tires, and the troublesome work of connecting to the inside of the vehicle tire, and without attaching connecting parts such as attachments inside the tire wheel. That is the purpose.

[0005]

A connecting plate 17 having a plurality of wedge-shaped connecting pieces 18 fixed to the inside of the device body 3 formed in a radial direction from the device body 3 mounted on the side surface of a tire wheel 13 is provided. A plurality of wedge-shaped connecting pieces 5a are formed in the connecting hole portion 4, and a plurality of anti-slip arms 5 having a tip bending portion 5d are inserted and connected from the tire tread surface 2a into the connecting hole portion 4 to prevent them from slipping. The device body 3 and the anti-slip arm 5 can be divided.

[0006]

In the tire antiskid device of the present invention, the device main body 3
Is attached to the flange portion 14 of the tire wheel 13 with the flange mounting piece 12 and the anti-slip arm 5 is inserted into the connection hole portion 4 of the device body 3 so as to contact the tire tread surface 2a. It is connected to the connecting plate 17 inside the apparatus main body 3. When the vehicle moves, the anti-slip arm 5 is pressed by the weight of the vehicle, and the connecting piece 5a of the anti-slip arm 5 is attached to the device main body 3
The non-slip arms 5 strongly enter into the tire 2 by being inserted into the connection hole portion 4 and connected to the connection plate 17.

Further, since the anti-slip arms 5 of the present invention and the connecting plate 17 arranged inside the apparatus body 3 are used to draw each other's forces, they are tightly fixed to the tire 2. It is unnecessary to fix parts such as attachments inside the tire wheel 13 with bolts or the like. Further, since the anti-slip arm 5 and the device body 3 are divided, bulkiness during storage is eliminated.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments shown in the drawings will be described in more detail below.

FIGS. 1, 2, 3 and 4,
It shows an example. That is, the tire 2 for use when the vehicle travels on a snowy road surface or an icy snow road surface.
A device for preventing slippage of a tire to be attached to a tire body 13, the device body 3 being attached to the tire wheel 13 side, and a plurality of device slippers arranged on the tread surface 2a of the tire and connected to the connection hole portion 4 of the equipment body 3. It consists of a non-slip arm 5. Specific examples of these materials include metal, synthetic resin, thermoplastic plastic, FRP (fiber reinforced plastic), ABS resin, polyethylene and the like.

A plurality of movable flange mounting pieces 12 are provided on the outer peripheral portion of the device body 3, and when the device body 3 is mounted on the tire wheel 13, the device body 3 is aligned with the outer periphery of the tire wheel 13 and the flange is attached. The attachment piece 12 can be attached to the flange portion 14 of the tire wheel 13 and fixed with the fixing screw 11. The flange attachment piece 12 has a length of several centimeters so that the tire wheel 13 can accommodate different sizes. Even when the flange attachment piece 12 is not attached, it can be attached by bringing the device body 3 into close contact with the outer periphery of the tire wheel 13 and inserting the anti-slip arm 5 into the connection hole portion 4 of the device body 3. is there.

A connection hole 4 for connecting the anti-slip arm 5 is formed in the apparatus main body 3 in the radial direction, and a plurality of wedge-shaped connection pieces 18 are fixed inside the apparatus main body 3 to form a disk shape. A connecting plate 17 is provided and a spring 16 is provided on the inner peripheral portion of the center thereof.

A storage portion 15 for pushing the connecting plate 17 is arranged inside the apparatus body 3, and a cylindrical grip portion 8 formed so as to cover the spring 16 is provided inside the apparatus body 3. It sticks out. The grip portion 8 is fixed to the connecting plate 17, and when the grip portion 8 is pushed in the direction A, the connecting plate 17 is pushed down into the storage portion 15, and the anti-slip arm 5 can be easily attached and detached.

The gripping portion 8 has a latching piece 9 on the outer periphery of the gripping portion 8. When the gripping portion 8 is pushed in the direction A and turned to the right, it is joined to the latching portion 10 provided on the inner peripheral portion of the center of the apparatus body 3. , The connecting plate 1 at the position of the storage portion 15 of the device body 3.
It is possible to fix 7. Further, by returning to the left side, the force of the spring 16 causes it to be pushed back in the direction B to return to the predetermined position.

Next, the anti-slip arm 5 will be described. The anti-slip arm 5 includes the connecting piece 5a and the cushioning member 5.
b, a ground contact portion 5c, a spike pin 7, a tire grip pin 6, a tip bent portion 5d, and a protection pin insertion hole 5e.

The anti-slip arm 5 is provided with a plurality of wedge-shaped connecting pieces 5a, which are connected to the connecting plate 17 by being inserted into the connecting holes 4 of the apparatus body 3.

Further, the anti-slip arm 5 with respect to the tire 2 is provided at the ground contact portion 5c which is in close contact with the tire tread surface 2a.
In order to increase the close contact ratio, the tire grip pin 6 is provided inside the ground contact portion 5c, and the spike pin 7 is provided on the road surface 1 side of the ground contact portion 5c to increase the grip force with the road surface 1.

Further, the tip end of the anti-slip arm 5 has a tip bent portion 5d, and when the anti-slip arm 5 is inserted into the connection hole portion 4 of the apparatus main body 3 and connected, the inner side wall portion of the tire 2 is formed. Since the tip bent portion 5d comes into close contact with 2b and covers the tire 2 from the inside, the tire 2 can be more closely contacted.

Further, by providing a cushioning member 5b from the tip bent portion 5d of the non-slip arm 5 to the ground contact portion 5c, vibration reduction during traveling of the vehicle and protection of the anti-slip arm 5 are achieved. Further, a protection pin insertion hole 5e is provided at the center of the anti-slip arm 5, and when the anti-slip arm 5 is inserted into the connection hole portion 4 of the device body 3 and connected, the protection pin insertion hole 5e is formed on the outer peripheral portion of the device body 3. By inserting a certain protection pin 19, the anti-slip arm 5 is prevented and prevented from falling off due to an unexpected impact or the like.

Next, the ground portion 5 of the anti-slip arm 5
c is inclined by a certain angle θ in the opposite direction to the rotation direction R of the tire 2. The ground contact portion 5c starts contacting the road surface 1 from the outside of the tire tread surface 2a by an amount corresponding to the inclination, and the contact time of the ground contact portion 5c with respect to the road surface 1 becomes longer by moving inward, The grip force is effectively maintained on the road surface 1.

[0020]

As described above, in the tire anti-slip device of the present invention, the bulkiness during storage can be eliminated by dividing the device body and the anti-slip arm, and the anti-slip arm has a connecting hole in the device body. By being inserted into the portion, it can be easily connected to the connecting plate inside the main body of the apparatus and firmly fixed to the tire. By giving the anti-slip arm a bent portion at the tip, it will cover the tire more tightly so that it will fit more closely. In addition, it is easy to attach / detach by pushing the grip of the apparatus body.

[Brief description of drawings]

FIG. 1 is a perspective view showing a tire antiskid device according to an embodiment of the present invention.

FIG. 2 is a vertical sectional side view showing a tire antiskid device according to an embodiment of the present invention.

FIG. 3 is a front view including a partial cross-sectional view showing a tire antiskid device according to an embodiment of the present invention.

FIG. 4 is a vertical cross-sectional side view showing a state in which the anti-slip arm according to the embodiment of the present invention is inserted into the apparatus main body.

[Explanation of symbols]

1 Road surface B
Movable direction 2 tire θ
Tilt angle 2a Tire tread surface 2b Side wall part 3 Device body 4 Connecting hole part 5 Non-slip arm 5a Connecting piece 5b Buffer member 5c Grounding part 5d Tip bent part 5e Protective pin insertion hole 6 Tire grip pin 7 Spike pin 8 Gripping part 9 Latching piece 10 Latching part 11 Fixing screw 12 Flange mounting piece 13 Tire wheel 14 Flange part 15 Storage part 16 Spring 17 Connecting plate 18 Connecting piece 19 Protective pin R Tire rotation direction A Moving direction

Claims (1)

[Claims] 1. A connecting plate 1 formed in a radial direction from a device body 3 mounted on a side surface of a tire wheel 13 and having a plurality of wedge-shaped connecting pieces 18 fixed to the inside of the device body 3.
A plurality of non-slip arms 5 having a plurality of wedge-shaped connecting pieces 5a formed in the connecting hole portion 4 in which the 7 are arranged and having a tip bent portion 5d.
Is a non-slip device that is inserted and connected from the tire tread surface 2a into the connection hole portion 4, wherein the device main body 3 and the anti-slip arm 5 can be divided.