JPH0542881Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a vehicle wheel, and more particularly to a vehicle wheel in which a disc portion of the wheel has an air blowing effect.

(Prior Art) In recent years, light alloy wheels that are lightweight, have high strength and rigidity, and have good dimensional accuracy are often used for automobile wheels as the performance of automobiles and tires become higher. Such light alloy wheels are formed by casting or forging, and their disc portions are formed into various shapes in order to obtain sufficient strength and to provide a good external design.

In particular, in a wheel in which the vicinity of a plurality of openings formed at equal intervals on the same circumference of the disc part are configured in a vane shape, when the wheel rotates, the disc part acts as a blowing means.
This enhances the cooling effect of the brake braking unit located adjacent to the disc unit.

That is, the blades formed on the disc portion of the wheel act as blowing blades as the wheel rotates while the vehicle is running, and blow air from one side of the wheel to the other side. Therefore, since cooling air is blown to the brake braking part, such as a brake drum or brake disc installed adjacent to the wheel, the cooling effect of the brake braking part can be enhanced, and the fade resistance of the brake is improved. , stable braking force can be obtained.

[The problem that the idea aims to solve]

By the way, when the above-mentioned wheels are attached to a vehicle and an attempt is made to increase the cooling effect of the brake braking section, for example, air from below the vehicle body is blown to both sides of the vehicle body through the respective wheel openings. One method is to suck air from both sides of the car body downward through the respective wheel openings, and the other is to draw air from one side of the car body through the wheel openings, through the bottom of the car body, and into the car body. There is a method of blowing air to the other side.

Therefore, the air blowing direction of each wheel mounted on the left and right sides of the vehicle is set in advance, and it goes without saying that the blades formed on the wheels are formed in a shape that can efficiently blow air in the desired air blowing direction. Because of this, the direction of rotation is specified and it has a single directivity. Therefore, in order to improve the cooling effect of the brake braking section, the wheels are designed as left and right wheels with designated rotation directions, respectively.

On the other hand, in order to prevent uneven wear of the rubber tire tread portion of general vehicle wheels with rubber tires, it is preferable to periodically change the mounting position of each wheel in the front, rear, left, and right of the vehicle body.

However, in a unidirectional wheel like the one above, the direction of rotation is specified, so
When the mounting positions of the left and right wheels on the vehicle body are rotated while ignoring the designated rotational direction of the wheels, the wheels are rotated in the opposite direction to the designated rotational direction, so that the desired air blowing efficiency of the wheel blades is maintained. However, there was a problem in that the brake braking section could not be cooled properly as described above. Furthermore, if you want to perform good tire rotation without changing the left and right mounting positions of the unidirectional wheels, remove the rubber tires from the wheels, rotate only the rubber tires, and then reassemble the rubber tires on the wheels. It was time consuming and very inconvenient because it had to be attached.

In addition, when manufacturing unidirectional wheels like the one mentioned above, separate molds are required for the left and right wheels, which increases manufacturing costs, and inventory management has to be done separately for the left and right wheels. There was a problem.

Therefore, the purpose of the present invention is to solve the above-mentioned problems, and to provide a vehicle wheel that can always obtain a stable cooling effect of the brake braking part regardless of the mounting position on the vehicle body, and that is inexpensive to manufacture. It is about providing.

(Means for Solving the Problems) The above object of the present invention is to provide a vehicle wheel comprising a rim portion for holding a bead portion of a tire and a disk portion for fixing the wheel to a hub of a vehicle. a disc-shaped disk member having a plurality of openings arranged from the hub center toward the rim portion; and a blade member formed with a plurality of wing parts extending from the center and having a mutually symmetrical cross-sectional shape with both end edges in the rotational direction being thinner than the center part, the blade member having each of the wing parts located in a closed position in each of the openings. This is achieved by a vehicle wheel characterized in that the wheel is fixed to the disk member so as to be adjustable in the rotational direction.

(Embodiment) Hereinafter, one embodiment of the present invention will be described with reference to the accompanying drawings.

As shown in FIG. 1, a vehicle wheel based on the present invention is composed of a disc-shaped disc 1, a rim 2, and a blade member 3, and a pneumatic tire 7 having a pair of beads is mounted on the rim 2. Ru.

As shown in FIG. 2, the disk 1 has a boss 15 formed with a bolt hole 13 for fastening the wheel to the hub of the vehicle, and openings 8 radially formed at equal intervals from the center of the boss 15. and is provided. Further, the rim 2 is attached to the outer edge of the disk 1.
Bolt holes 14 for fastening with bolts 4 are provided at equal intervals on the circumference. The rim 2 is then fixed to the outer edge of the disk 1 by the bolts 4 and nuts. At this time, the disk 1 and the rim 2 are welded if necessary.

As shown in FIG. 3, the blade member 3 is formed with a plurality of wing portions 6 extending radially from the center so as to close each opening 8 in the radial direction, corresponding to the opening 8. It is composed of a disc-shaped structure. However, the width of the wing portion 6 in the rotational direction is smaller than the width of the opening 8.
The blade member 3 does not completely close the opening 8. Further, a taper 12 as shown in FIG. 4 is formed on the surfaces of both end edges of the wing portion 6 in the direction of rotation.

Therefore, when installing the above wheels on the vehicle,
First, a hub bolt of a vehicle hub is passed through the bolt hole 13 provided in the boss 15, and then a wheel nut is fastened to fix the disk 1 to the vehicle hub.

Then, after passing the central opening 16 of the blade member 3 through the central protrusion 9 of the disk 1 so that the wing part 6 fits in the opening 8, the outer surface of the central protrusion 9 is inserted. A center nut 5 is screwed into the formed threaded portion to attach the blade member 3 to the disk 1.

At this time, at least one of the opposite edges of the wing portion 6 in the rotational direction is brought into contact with the opposing edge of the opening 8, and the surface of the disk 1 and the blade member 3 are brought into contact with each other.
If the taper 12 is overlapped so as to form a continuous plane with the surface of
is the leading edge of the blade, and the entire disk is constructed as a rotary blade having a plurality of blades.

That is, when attaching the blade member 3 to the disk 1, at least one of both ends of the blade portion 6 in the rotational direction needs to come into contact with the opposing edge of the opening 8. Therefore, one engagement protrusion 11 is formed at the base of each wing part 6 on the back surface of the blade member 3, and a pair of engagement recesses 10 are formed at each opening edge of the disk 1 corresponding thereto.
is formed. The pair of engagement recesses 10 are arranged so that the blade member 3 is regulated at a position where at least one of the opposite end edges of the blade portion 6 in the rotational direction reliably abuts the opposing edge of the opening 8. is formed.

Therefore, if the blade member 3 is attached to the disk 1 so that the engagement protrusion 11 is engaged with either one of the pair of engagement recesses 10, the end edge of the wing portion 6 in the rotational direction The blade member 3 can be positioned at a position where at least one end edge of the blade member 3 always comes into contact with the opposite end edge of the opening 8.

That is, by appropriately adjusting the engagement protrusion 11 to engage with either one of the pair of engagement recesses 10, the rotational direction of the rotor formed in the disk 1 can be set to a desired rotational direction. can do.

Therefore, the vehicle wheel according to the present invention is
Regardless of the direction of rotation of the wheel, it can always function as a good rotor blade.

Furthermore, in the embodiment of FIG.
Marks are placed on the tip surface of the blade member 3 and on the rim surface opposite thereto to indicate whether the blade member 3 is attached to the right or left side of the vehicle. Therefore, even when rotating the wheels, the operator will not make a mistake in setting the rotation direction of the wheels.

Note that the shapes of the disks, blade members, etc. in the present invention are not limited to the shapes of the above-described embodiments; for example, as long as the rotational direction cross section of the blade portion is a symmetrical shape in the front and back, it may be arcuate instead of tapered.
Further, the number of the wing parts is not limited to five as in the above embodiment, and the means for attaching the wing member to the disk is also not limited.

Further, the method of joining and assembling the rim portion and the disk portion of the wheel are manufactured by conventional methods known to those skilled in the art.

(Effect of the invention) The vehicle wheel of the invention includes a disc-shaped disc member in which the disc part has a plurality of openings arranged radially from the center of the hub toward the rim part, and a blade member extending from the center of the hub so as to close a part of the opening in the radial direction, and formed with a plurality of wing parts each having a mutually symmetrical cross-sectional shape with both end edges in the rotational direction being thinner than the center part; , the blade member is fixed to the disk member such that each of the wing portions can adjust the closing position of each opening in the rotational direction.

Therefore, since the directivity of the blades provided on the disk portion of the wheel can be set arbitrarily, a desired direction of air blowing can always be obtained regardless of the rotational direction of the wheel. That is, since there is no need to use dedicated left and right wheels, it is possible to rotate the left and right wheels on the vehicle body. Furthermore, the vehicle wheel of the present invention can be manufactured using a common mold for both left and right wheels.
There is no need to manage inventory separately for left and right,
Manufacturing costs can be reduced compared to conventional unidirectional wheels.

Therefore, it is possible to provide a good and inexpensive vehicle wheel that can always obtain a stable cooling effect of the brake braking unit regardless of the mounting position on the vehicle body.

[Brief explanation of the drawing]

FIG. 1 is a front view of a vehicle wheel based on an embodiment of the present invention with a tire attached, FIG. 2 is a front view of the disk portion of the vehicle wheel shown in FIG. 1, and FIG. 3 is the same as that shown in FIG. FIG. 4 is a back view of the blade member of the vehicle wheel shown, and is a partial sectional view of the blade section taken along the line - in FIG. 3. Symbols in the figure: 1...disk, 2...rim, 3...
...Blade member, 4 ... Bolt, 5 ... Center nut, 6 ... Wing section, 7 ... Pneumatic tire, 8 ... Opening, 9 ... Central projection, 10 ... Engagement recess, 11 ...
...Engaging protrusion, 12...Taper, 13...Bolt hole, 14...Bolt hole, 15...Boss, 16...
central opening.

Claims (1)

[Scope of utility model registration request] A vehicle wheel comprising a rim part for holding a bead part of a tire and a disc part for fixing the wheel to a hub of a vehicle, wherein the disc part has a plurality of openings arranged from the center of the hub toward the rim part. a disc-shaped disc member having a disc member extending from the center of the hub so as to radially close a portion of each opening corresponding to the opening, and having both end edges in the rotational direction thinner than the central part and symmetrical to each other; a blade member formed with a plurality of wing parts having a cross-sectional shape, and the blade member is fixed to the disk member so that the closing position of each of the openings can be adjusted in the rotational direction. Vehicle wheels featuring: