KR20130052456A

KR20130052456A - Wheel for vehicle

Info

Publication number: KR20130052456A
Application number: KR1020110117897A
Authority: KR
Inventors: 강창존
Original assignee: 현대모비스 주식회사
Priority date: 2011-11-11
Filing date: 2011-11-11
Publication date: 2013-05-22

Abstract

The present invention relates to a wheel for a vehicle, and more particularly, consisting of a steel material, an annular steel rim in which a tire is fitted, and an aluminum material, and an aluminum disk forming an outer surface of the wheel on the inner diameter side of the tire; The present invention relates to a vehicle wheel comprising a steel ring composed of a steel material, joined to a circumference of a steel rim, and having an aluminum disk assembled by a fastening member.

Description

Vehicle wheels {WHEEL FOR VEHICLE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel for a vehicle, and more particularly, to a wheel for a vehicle constituting a wheel of an automobile, an agricultural vehicle, an industrial vehicle, and the like.

In general, a road wheel on which tires are mounted is applied when assembling a finished car, and a road wheel may be classified into a steel wheel made of steel and an aluminum wheel made of aluminum.

The steel wheel is manufactured by welding the rim and the disc of the steel by welding, and it has the advantages of low cost and easy manufacturing, while the designability of the aluminum wheel is higher than that of the aluminum wheel due to the characteristics of the steel material and the processing method through welding. It has a disadvantage of insufficient weight and heavy weight.

Aluminum wheels are manufactured integrally without welding by machining using machine tools, and have excellent design and light weight, while low manufacturability and high cost due to the characteristics of aluminum materials and complex processing methods. There are disadvantages.

Background art of the present invention is disclosed in Republic of Korea Patent Publication No. 2010-68438 (2010.6.23. Publication, the name of the invention: a vehicle wheel).

An object of the present invention is to provide a wheel for a vehicle that can realize the manufacturing and cost reduction of the advantages of the steel wheel, while ensuring the designability of the aluminum wheel.

According to an aspect of the present invention, a vehicle wheel includes an annular steel rim formed of a steel material and having a tire fitted around the vehicle wheel; An aluminum disk comprising an aluminum material and forming an outer surface of a wheel at an inner diameter side of the tire; And a steel ring composed of a steel material and joined to the circumference of the steel rim, wherein the aluminum disk is assembled by the fastening member.

In the present invention, the steel ring, a ring-shaped joint welded to the steel rim; And a plurality of disk assembly portions formed around the junction portion at equal intervals, protruding toward the center side of the junction portion, and forming a first engagement hole through which the coupling member can penetrate.

In the present invention, the disk assembly portion is connected to the junction portion, the outward extension portion extending in the axial direction of the wheel; And a centrifugal extension portion connected to an end portion of the outward extension portion, extending toward the center side of the junction portion, wherein the first fastening hole penetrates in the axial direction.

In the present invention, the aluminum disk, the hub mounting portion is formed in the center portion of the aluminum disk, the hub hole through which the assembly member is penetrated in the axial direction is assembled to the brake disk; And a spoke portion extending radially from the hub mounting portion to a position corresponding to the disk assembly portion and having a second locking hole penetrating therethrough at a position corresponding to the disk assembly portion. It is done.

In the present invention, the spoke portion, characterized in that the edge portion is in pressure contact around the one end of the steel rim in the state assembled to the disk assembly portion by the fastening member.

In the present invention, the fastening member is a bolt that is assembled through the first fastening hole and the second fastening hole; And a nut which is fastened to an end of the bolt passing through the first fastening hole and the second fastening hole and positioned inside the second fastening hole.

According to an embodiment of the present invention by joining the rim of the steel material to one side of the steel ring, and assembling the disk of aluminum material on the other side of the steel ring, the part to form the appearance of the wheel is made of aluminum material, tires, The portion coupled to the braking device may be made of steel.

Accordingly, it is possible to realize the manufacturing and cost reduction of the advantages of the steel wheel, while ensuring the designability of the aluminum wheel.

1 is a perspective view showing a vehicle wheel according to an embodiment of the present invention.
Figure 2 is an exploded perspective view showing a wheel for a vehicle according to an embodiment of the present invention.
3 is an exploded perspective view showing a wheel for a vehicle according to an embodiment of the present invention from another direction.
4 is a perspective view illustrating a state in which a vehicle wheel is coupled to a brake disc according to an embodiment of the present invention.
5 is a front view illustrating a state in which a vehicle wheel is coupled to a brake disc according to an embodiment of the present invention.
FIG. 6 is a perspective view illustrating a state in which a vehicle wheel according to an embodiment of the present invention is coupled to a brake disc on a cross-sectional view taken along line AA ′ of FIG. 5.
7 is an enlarged view of a portion B of FIG. 6 illustrating a state in which a vehicle wheel is coupled to a brake disc according to an embodiment of the present invention.

Hereinafter, an embodiment of a wheel for a vehicle according to the present invention will be described with reference to the accompanying drawings.

In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation.

In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, definitions of these terms should be made based on the contents throughout the specification.

1 is a perspective view showing a wheel for a vehicle according to an embodiment of the present invention, Figure 2 is an exploded perspective view showing a wheel for a vehicle according to an embodiment of the present invention, Figure 3 according to an embodiment of the present invention An exploded perspective view showing a wheel for a vehicle from another direction.

4 is a perspective view illustrating a state in which a vehicle wheel is coupled to a brake disc according to an embodiment of the present invention, and FIG. 5 is a front view illustrating a state in which the vehicle wheel according to an embodiment of the present invention is coupled to a brake disc. to be.

6 is a perspective view illustrating a state in which a vehicle wheel according to an embodiment of the present invention is coupled to a brake disc in a cross-sectional view taken along line AA ′ of FIG. 5, and FIG. 7 illustrates a vehicle wheel according to an embodiment of the present invention. 6 is an enlarged view of a portion B of FIG.

1 to 3, the vehicle wheel 20 according to an embodiment of the present invention includes a steel rim 210, an aluminum disk 220, and a steel ring 230.

Steel rim (210) is a portion forming the outer ring of the wheel 20, the tire 30 has an annular shape that can be fitted around, and is made of steel (Steel) material.

The aluminum disc 220 forms the outer surface of the wheel 20 at the inner diameter side of the tire 30 in a state where the tire 30 is fitted to the steel rim 210, and is made of aluminum (Al, Aluminum) material.

In the description of the present invention, one side that forms the outer surface of the wheel 20 or faces the outer surface of the wheel 20, one side is called the outer side or the outer end, the outer end, and one side located on the opposite side is the inner side or the outer end, It is called the outer end.

In one embodiment of the present invention, the aluminum disk 220 includes a hub mounting portion 221 and the spoke portion 223.

The hub mounting portion 221 is formed at the center of the aluminum disk 220 (part corresponding to the rotation axis when the wheel 20 rotates), and the hub hole 2213 penetrates in the axial direction (the rotation axis direction of the wheel 20). do.

As shown in FIG. 4, the hub mounting portion 221 penetrates through the hub hole 2213 and is assembled to the brake disc 10 (an axle braking device for stopping the vehicle by reducing its speed) (for example, For example, a bolt member or the like is connected to the brake disc 10.

One surface (inner side surface) of the hub mounting portion 221 which is in contact with the brake disc 10 has a shape corresponding to the outer side surface of the central portion of the brake disc 10 as shown in FIG. 6.

Accordingly, when assembling the assembly member 15, the aluminum disc 220 and the brake disc 10 may have a fastening force by the assembly member 15 and frictional force at the contact portion between the hub mounting portion 221 and the brake disc 10. By being firmly connected.

The spoke part 223 extends radially from the hub mounting part 221 to form a wheel, and a second fastening hole 2233 penetrates in an axial direction at an end positioned at a radial edge thereof.

The second fastening hole 2233 is formed at a position corresponding to the first fastening hole 2333 formed in the steel ring 230, and as shown in FIGS. 2 and 3, the first fastening hole 2333 and the second fastening hole are formed. The aluminum disc 220 and the steel ring 230 are connected by the fastening member 240 fastened through the hole 2233.

The spoke portion 223 is pressed against the one end of the steel rim 210 as shown in FIG. 6, the edge end of which is assembled to the steel ring 230 by the fastening member 240.

That is, when assembling the fastening member 240, the aluminum disk 220 and the steel ring 230 is firmly connected by the fastening force of the fastening member 240, and at the same time the aluminum disk 220 and the steel rim 210 The spoke part 223 and the steel rim 210 are firmly connected by the pressing force and friction force at the contact portion.

Steel ring 230 is made of a steel material, the inner end (one side located in the opposite direction to the direction toward the outer surface of the wheel 20) is joined around the steel rim 210, the outer end is fastening member It is assembled to the aluminum disk 220 by 240.

In one embodiment of the present invention, the steel ring 230 includes a joint 231 and a disk assembly 233.

The joint 231 has a ring shape corresponding to the shape of the steel rim 210 and is welded to the inner surface of the steel rim 210 over the entire circumference of the steel rim 210.

The disk assembly part 233 is formed around the junction part 231 at equal intervals, protrudes toward the center side (central direction of the wheel 20) of the junction part 231, and the 1st fastening hole 2333 is carried out. It penetrates in the axial direction (rotation axis direction of the wheel 20).

In one embodiment of the present invention, the disk assembly 233 includes an outward extension portion 2331 and a centripetal extension portion 2332.

The outward extension part 2331 is formed to extend to the outside (direction toward the outer surface of the wheel 20) as a portion connected to the junction 231.

According to the extension length of the outward extension part 2331, the installation position of the aluminum disk 220 with respect to the rotation axis direction of the wheel 20 is determined.

For example, when the extension length of the outward extension portion 2331 becomes short, the contact between the hub mounting portion 221 of the aluminum disk 20 and the brake disk 10 and the spoke portion 223 of the aluminum disk 220 and the steel Contact between the rims 210 can be made more clearly.

The centripetal extension part 2332 is connected to the outer end of the outward extension part 2331, extends toward the center side of the junction part 231 (a centripetal direction of the wheel 20), and a first fastening hole 2333 is formed. do.

When the fastening member 240 is fastened through the first fastening hole 2333 formed in the steel ring 230 and the second fastening hole 2233 formed in the aluminum disk 220, the centripetal extension part 2332 is illustrated in FIG. 6. In contact with the inner surface of the aluminum disk 220, as shown in FIG.

When one surface portion of the centripetal extension portion 2332 in contact with the aluminum disk 220 has a shape corresponding to the inner side surface of the aluminum disk 220, the contact between the aluminum disk 220 and the plurality of centripetal extension portions 2332 is made of steel. Rim 210, can be made stable along the circumference of the steel ring.

In an embodiment of the present invention, the fastening member 240 includes a bolt 241 and a nut 243.

As shown in FIGS. 2 and 3, the bolt 241 is assembled by sequentially passing through the first fastening hole 2333 formed in the steel ring 230 and the second fastening hole 2233 formed in the aluminum disk 220. .

As shown in FIG. 7, the head of the bolt 241 is located behind the steel ring 230, and the end of the body of the bolt 241 is located on the second fastening hole 2233.

The nut 243 is fastened to the end of the body portion of the bolt 241 passing through the first fastening hole 2333 and the second fastening hole 2233, and the second fastening hole 2233 does not protrude out of the aluminum disk 220. ) Is located inside.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand. Accordingly, the technical scope of the present invention should be defined by the following claims.

10: brake disc 15: assembly member
20: wheel 30: tire
210: steel rim 220: aluminum disc
221 hub mounting portion 223 spoke portion
230: steel ring 231: connection
233: disk assembly 240: fastening member
241: Bolt 243: Nut
2213: hub hole 2233: second fastening hole
2331: outward extension 2332: centripetal extension
2333: First Fastening Hall

Claims

An annular steel rim composed of a steel material, the tire being fitted around the periphery;
An aluminum disk comprising an aluminum material and forming an outer surface of a wheel at an inner diameter side of the tire; And
A steel ring composed of a steel material, joined to the circumference of the steel rim, and the aluminum disk assembled by a fastening member;
Vehicle wheel comprising a.

The method of claim 1,
The steel ring,
A ring-shaped joint welded to the steel rim; And
A plurality of disk assembly portions formed around the junction portion at equal intervals, protruding toward a center side of the junction portion, and formed with a first engagement hole through which the coupling member can pass;
Vehicle wheel comprising a.

The method of claim 2,
The disk assembly portion,
An outward extension part connected to the junction and extending in an axial direction of the wheel; And
A centripetal extension which is connected to an end of the outwardly extending portion, extends toward the center side of the joining portion, and the first fastening hole penetrates in an axial direction;
Vehicle wheel comprising a.

The method of claim 2,
The aluminum disk,
A hub mounting portion formed at a central portion of the aluminum disk and having a hub hole through which an assembly member is penetrated and axially penetrated and assembled to the brake disk; And
A spoke portion extending radially from the hub mounting portion to a position corresponding to the disk assembly portion and having a second locking hole penetrating therethrough at a position corresponding to the disk assembly portion;
Vehicle wheel comprising a.

5. The method of claim 4,
The spoke portion,
And an edge portion pressed against the one end of the steel rim in a state of being assembled to the disc assembly portion by the fastening member.

5. The method of claim 4,
The fastening member,
A bolt assembled through the first fastening hole and the second fastening hole; And
A nut which is fastened to an end of the bolt passing through the first fastening hole and the second fastening hole and located inside the second fastening hole;
Vehicle wheel comprising a.