JPH01293208A - Automobile tire for static electricity discharge - Google Patents

Abstract

PURPOSE:To enable static electricity discharge without providing a static electricity discharge part to the body of an automobile by providing the conductor, conducting the contact parts to a wheel rim and a road surface, to a tire main body. CONSTITUTION:A metal wire 5 is buried in a tire main body 4 in the diameter direction, and its one end 5a is exposed to the contact part between the body 4 and a wheel rim 3 to touch the rim 3. On the other hand, the other end 5b is exposed to the contact part between the body 4 and a road surface 6 to touch the surface 6. This constitution causes the static electricity electrified in an automobile body to be discharged to the surface 6 via an axle 1, the rim 3 and wire 5.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrostatic discharge automobile tire capable of discharging static electricity generated in the body of an automobile to the road surface while the automobile is running.

[Summary of the invention]

The present invention provides a tire body with a conductor that connects the wheel rim and the road surface, so that the conductor can discharge static electricity that builds up on the body of a car while the tire is running onto the road surface.

(Prior art) The body of a moving car is charged with static electricity due to friction with the air.The static electricity charged on the body is difficult to escape even when the car is stopped because the tires are insulators.
When inserting a key into a door keyhole or opening a door, an electric discharge is released into the human body, causing discomfort.

Therefore, in the past, an electrostatic discharge member made of a rubber body or a chain with embedded metal wires was attached to the car body in contact with the road surface, and the static electricity from the body was discharged to the road surface through the electrostatic discharge member. ing.

[Problem to be solved by the invention]

However, such electrostatic discharge members have problems such as requiring time and effort to install and coming off due to vibrations during driving.

The present invention was proposed in order to solve such conventional problems, and is a static electricity system that can effectively discharge static electricity charged on the body to the road surface without attaching an electrostatic discharge member to the body. The purpose is to provide an automobile tire for electric discharge.

[Means to solve the problem]

In order to achieve this object, the electrostatic discharge automobile tire according to the present invention has a configuration in which a conductor is provided in the tire body, one end of which is exposed at the contact area with the wheel, and the other end is exposed at the contact area with the road surface. ing.

[Effect]

According to the above-mentioned configuration, static electricity charged in the body of the car is constantly discharged to the road surface through the wheels that are connected to the body and the conductor that is connected to the wheels, so that static electricity is not stored in the body. .

(Example) Below, an example of the present invention will be described in detail based on the drawings.

FIG. 1 shows an embodiment of an electrostatic discharge automobile tire according to the present invention.

In FIG. 1, a wheel rim 3 is attached by a nut 2 to an axle 1 that communicates with the body of an automobile (not shown), and a tire body 4 is attached to this wheel rim 3.

A metal wire 5, which is a conductor, is embedded in the tire body 4 in the radial direction, and one end 5a of the metal wire 5 is exposed at the contact area between the tire body 4 and the wheel rim 3, and is connected to the wheel rim. The other end 5b is exposed at the contact portion between the tire body 4 and the road surface 6 and comes into contact with the road surface 6 to establish electrical conduction.

As shown in FIG. 2, the metal wires 5 are buried in a plurality of places in the radial direction of the tire body 4, and one end Sa side of the plurality of metal wires 5 is a ring-shaped metal wire 7 provided in the circumferential direction of the tire body 4.
connected by.

In the above-mentioned electrostatic discharge automobile tire configured as described above, static electricity that is charged on the body of the automobile while driving is discharged from the axle 1 that is electrically connected to the body, the wheel rim 3 that is electrically electrically connected to the axle 1, and the metal that is electrically electrically connected to the wheel rim 3. Since it is discharged to the road surface 6 via the wire 5, static electricity does not accumulate in the body of the automobile.

Here, the metal wire 5 is buried in the tire body 4,
Rather than embedding it in the tire body 4, a metal wire with one end in contact with the wheel rim 3 is arranged along the inner wall of the tire body 4, and the other end is exposed at the contact part with the road surface 6. Good too.

In addition, in order to make contact between one end 5a of the metal wire 5 and the wheel rim 3, a planar conductor is provided at the one end Sa portion of the metal wire 5 so as to make good electrical contact with the wheel rim 3. is provided, and the wheel rim 3 is connected via this conductor part.
It may be made to contact.

Also, instead of using the metal wire 5.7 as a conductor,
It may also be a metal band.

Alternatively, a conductive JI film that contacts the wheel rim 3 may be applied to the inner wall of the tire body 4, and a metal wire or the like that brings the other end of the conductive film into contact with the road surface 6 may be buried in the tire body 4. .

Further, a conductive coating film may be applied to the outer surface of the tire body 4 to provide electrical continuity between the wheel rim 3 and the road surface 6.

Alternatively, part or all of the tire body 4 may be made of conductive rubber, and electrical continuity between the wheel rim 3 and the road surface 6 may be achieved by the conductive rubber.

〔Effect of the invention〕

As explained above, in the present invention, since the tire body is provided with a conductor that electrically connects the wheel rim and the road surface, the static electricity accumulated in the body of the automobile can be discharged to the road surface through the conductor. This eliminates the discomfort caused by electrical discharge when inserting the key into the door or opening the door.

Further, according to the present invention, there is no need to attach an electrostatic discharge member such as a chain to the body of the automobile, and there is no problem such as the electrostatic discharge member coming off during driving.

If the automobile tire according to the present invention is used, it becomes unnecessary to attach an antistatic member such as a chain to the body of a tank lorry for transporting fuel.

[Brief explanation of the drawing]

FIG. 1 is a sectional view showing an automobile tire for electrostatic discharge according to an embodiment of the present invention, and FIG. 2 is a side view of the automobile tire for electrostatic discharge. In the diagram, 1...Axle 2...Nut 3...Wheel rim 4...Tire body 5.7...Metal wire
5a... One end 5b... Other end 6...
Road surface diagram 1b

Claims (1)

[Claims] 1. An automobile tire for electrostatic discharge, characterized in that the tire body is provided with a conductor that establishes conduction between a contact part with a wheel rim and a contact part with a road surface.