JPS60197402A - Built-up wheel for vehicles - Google Patents

Abstract

PURPOSE:To secure such a wheel as being excellent in rigidity inexpensively, by forming a hub and a wheel main body into each separate body, and clamping these parts tight with a clamping device, while devising a means of structure in a boss part of the wheel main body, in case of a built-up wheel suitable for a two-wheeled vehicle. CONSTITUTION:This built-up wheel consists of a metallic hub H and a wheel main body W detachably set up in the hub H where a tire T is attached, and both H and W are coupled together by means of clamping devices C. The hub H consists of a hollow cylindrical bearing cylinder part 1 and a wheel support part 2 solidly extended in a radial direction from the axial one side. On the other hand, the wheel main body W is made of hard synthetic resin and consists of a boss 15, a spider 16 and a rim 17. And, the boss 15 consists of a clamped part 15b tightly attached to the wheel support part 2 with the clamping device C, a cylindrical part 15a and a flange part 15c extendedly installed in both inner and outer circumferences of the former in an axial direction, and plural reinforcing ribs 15d connecting and reinforcing an interval between both these parts 15a and and 15c.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an assembled wheel suitable for use in vehicles, particularly two-wheeled vehicles.

Various types of assembled wheels have been proposed in which conventional vehicle wheels are partially constructed of different materials and are joined together with fasteners such as bolts to reduce the weight of the wheels.
For example, as disclosed in Japanese Utility Model Publication No. 55-36077, a synthetic resin rim and a metal wheel disk are fastened together in the radial direction with bolts, and as disclosed in Japanese Utility Model Publication No. 58-26805. There are known wheels in which a synthetic resin rim and a metal wheel disk are fitted into each other in their axial directions, and the fitted parts are tightened together with bolts, but none of these are suitable for wheels. Although it has the advantage of being lightweight, stress tends to concentrate at the joint between the rim and the wheel disc, and there are problems with its strength and durability, making it difficult to put it into practical use.

The present invention has been made in view of the above circumstances, and is an assembly wheel for a vehicle in which a hub and a wheel main body are separately formed, and the strength around the connecting portions thereof is significantly increased, thereby eliminating the above-mentioned drawbacks. Its purpose is to provide wheels.

According to the present invention, in order to achieve the above object, there is provided an assembled wheel in which a hub and a wheel main body are configured separately and are removably fastened with a fastener, the hub having a bearing. The wheel main body includes a cylindrical portion and a wheel support portion integrally extending from the bearing cylindrical portion. includes a fastened part fixed to the wheel support part with the fastener, a cylindrical part extending integrally in the axial direction from the inner peripheral side of the fastened part, and the fastened part The flange portion integrally extends in the axial direction from the outer peripheral side of the cylindrical portion, and a radial reinforcing rib that connects and reinforces the cylindrical portion and the flange portion.

Hereinafter, a first embodiment of the assembled wheel of the present invention will be described with reference to FIG. 1.2. In this embodiment, a disc brake is attached to the assembled wheel.

The assembled wheel is composed of a hub H1, a wheel main body W1 detachably assembled to the hub H, and a tire T mounted on the wheel main body W.

First, the detailed structure of the hub H is explained. It is made of metal such as AJ gold alloy and Mg alloy, and includes a hollow cylindrical bearing cylinder part 1 and an axial direction of this bearing cylinder part l. It consists of a wheel support part 2 that extends integrally. Pole bearings 3, 3 are fitted onto the inner circumferential surfaces of both left and right ends of the bearing cylinder portion l, and seal members 4, 4 are mounted on the outside thereof. A collar 5 is interposed between the inner surfaces of the inner races of the ball bearings 3, 3, and a wheel axle 6 is rotatably inserted between the collar 5 and the inner race of the ball bearings 3.3.

Further, an annular recess 7 is formed in the axial center of the outer peripheral surface of the bearing cylinder 1, and a plurality of rib pieces 8 are arranged radially in the annular recess 7 at equal intervals in the circumferential direction. These rib pieces 8 are provided integrally, and the outer peripheral end surfaces of the rib pieces 8 are connected to the bearing cylinder portion 1.
It is formed on the outer peripheral surface of the road surface and the road surface. The wheel support part 2 extends radially at a substantially right angle from the outer peripheral surface of one side of the bearing cylinder part 1, and has a plurality of stun I bolts 9 at intervals in the circumferential direction. The axes β-l of these stud bolts 9 are substantially parallel to the axis LL of the bearing sleeve portion 1. The said stud bolt 9...
constitutes a fastening tool C together with nuts 10, which will be described later, that are screwed there.

A flange-shaped disk support section 11 is integrally extended in the radial direction on the outer periphery of the wheel support section 2, and a plurality of tightening bolts 12 are provided on the outer surface of the disk support section 11.
... and the nut 13..., the brake disc 14 of the disc brake device is fixed.

Next, the structure of the wheel main body W will be described in detail. It is made of hard synthetic resin, and includes a boss 15, a spider 16 that extends in the radial direction integrally with the boss 15, and a spider 16 that is integrally formed on the outer periphery of the spider 16. A rim 17 is formed in the rim 17.

The boss 15 includes a cylindrical portion 15a forming a boss hole, and a fastened portion 15 extending radially from one end of the cylindrical portion 15a.
b, and a flange portion 15C extending obliquely in the radial direction from the fastened portion 15b, forming a channel-shaped cross section, and furthermore, there is a gap in the circumferential direction between the cylindrical portion 15a and the flange portion 15c, and a flange portion 15C extends in the radial direction from the cylindrical portion 15a. A plurality of reinforcing ribs 15 extending radially
They are integrally connected and reinforced by d. A picture-shaped recess 18 with one side open is formed in the boss 15.

The cylindrical portion 15a crosses the radial center line O-0 of the rim 17 and the spider 16 and extends in the axial direction to the left and right to approximately the same length, and the flange portion 1.5C also crosses the center line O-0 in the radial direction. It extends axially across -0. Further, in the fastened portion 15b, that is, the inner wall of the annular recess 18, a plurality of bolt holes 20 are bored at intervals in the circumferential direction. When assembling the hub H and the wheel main body W, these bolt holes 20 are located at the same positions as the plurality of stud bolts 9 installed in the hub H, and the stud bolts are inserted into the hub H. 9... are inserted, and their tips face into the annular recess 18. The plurality of bolt holes 2
Poppet-shaped washers 21 . . . are embedded in each of the holes 0 . The end edge of the through hole 22 of each washer 21 on the annular recess 18 side has a tapered surface 22 that widens toward the end.
a is formed.

A synthetic resin annular cover 23 is fitted into the annular open end of the annular recess 18 of the boss 15 by its own elastic force. Therefore, the boss 15
a, the fastened portion 15b, the flange portion 15c, and the annular cover 23 form a hollow closed cross section, increasing its strength.

The spider 16 extends radially from the outer periphery of the boss 15 and is integrally connected to the rim 17.

Furthermore, the rim 17 is formed to have a bifurcated cross section as usual, and the tire T is mounted thereon.

To assemble the hard synthetic resin wheel main body W to the hub H, the cylindrical portion 15a of the boss 15 is fitted onto the outer circumferential surface of the bearing cylindrical portion l of the hub H. In this case, the cylindrical portion 15a forming the boss hole is tightly fitted over the outer circumferential surface of the bearing tube portion 1 of the hub 11 and the outer circumferential edges of the plurality of rib surfaces 8 . It extends long in the axial direction across the center 410-0 of the wheel main body W and the hub H, thereby increasing the strength of the fit between the wheel main body W and the hub H. Further, the fastened portion 15b of the boss 15 is joined to the side surface of the wheel support portion 2 of the hub H, and the tips of the plurality of stud bolts 9 implanted in the wheel support portion 2 are connected to the bolt holes of the boss 15. 20... and washers 21... into the annular recess 18, and by screwing the nuts 10... into their protruding parts, the wheel body W is integrally fixed to the hub H. Ru. In this case, the tapered surface lOa formed at the base end of the nut lO is closely wedged with the tapered surface 22a of the washer 21 to prevent misalignment and ensure reliable fastening.

Note that the nut 10 is caulked or a spring, plate, etc. are inserted to prevent it from falling off.

A tire T is mounted on the outer rim 17 of the wheel main body W as usual.

A second embodiment of the invention is shown in Figure 3.4. In this second embodiment, the wheel of the invention is provided with a drum brake. In this second embodiment, the same members as in the first embodiment are given the same reference numerals.

The bearing cylinder part 1 of the metal hub H has a rib piece 31 on its outer periphery.
This body part 30 has a body part 30 that is integrally formed through the
In one example, a flange-shaped wheel support portion 2 is integrally formed. A stud bolt 9 for attaching the wheel main body W is implanted in the wheel support portion 2. A brake drum 32 for a drum brake is mounted on the inner peripheral surface of one side (right side in FIG. 3) of the body 30.

An annular recess 33 is formed on the other side of the body 30 (left side in FIG. 3), and a drive wheel 34 rotatably supported on the wheel shaft 6 is connected to this recess 33. This drive wheel 3
A sprocket 35 is fixed to 4. The coupling structure of the drive wheel 34 to the hub H is conventionally known, so to briefly explain the structure, the annular recess 33 of the hub H has a plurality of drive plates spaced apart from each other in the circumferential direction. 36... are integrally provided, and on the other hand, on one side of the drive wheel 34, a plurality of drive pieces 37... are provided integrally in the axial direction at zero intervals in the circumferential direction. The drive pieces 37 are inserted into the annular recess 33 via a plurality of dampers 38. When the drive wheel 34 integrated with the sprocket 35 is driven, this driving force is transmitted to the drive pieces 37..., dampers 38...
and is transmitted to the hub H via the drive plates 36...

The boss 15 of the synthetic resin wheel main body W includes a cylindrical part 15a forming a boss hole, a fastened part 15b, and a flange part 1.
5c, an annular recess 18 is formed, and this annular recess 18
Inside, the space between the cylindrical portion 15a and the flange portion 15c is reinforced by a plurality of reinforcing ribs 15d integral therewith. The fastened portion 15b is integrally fastened to the wheel support portion 2 of the hub H by a plurality of stand bolts 9 and nuts 10, as in the first embodiment. Annular recess 18
A synthetic resin annular cover 23 is removably fitted onto the open side surface with its own elasticity.

Therefore, in this second embodiment, the flange portion 15 of the boss 15
c also extends to the axially opposite side 1 of the annular recess 18 and covers the outer periphery of the flange-shaped wheel support portion 2. And this flange part 15C and hub H
The annular cover 2 is attached to the annular open side surface formed by the annular cover 2.
Another annular cover 39 made of synthetic resin having substantially the same shape as 3 is fitted with its own elasticity. Therefore, both ends of the stand bolts 9... and the nut 10 are covered by two annular covers 23.39, and the two annular covers 23.39 It is symmetrical with respect to O.

° Said 1st. According to the second embodiment, the cylindrical portion 15a of the boss 15 of the wheel main body W is formed into a long cylindrical shape in the axial direction of the wheel main body W, and is fitted to the outer circumferential surface of the hub H. The mating area has been expanded and the wheel-based W
A part of the load applied to the wheel is distributed and transmitted from the oily part 15a to the hub H, and stress is prevented from concentrating on the fastening part between the wheel main body W and the hub H, and the stress is dispersed. The strength of the assembled wheel is increased and its durability is improved. In addition, it is possible to compensate for the decrease in strength due to the wheel main body W being made of synthetic resin. In addition, by providing a heat generating device such as a brake device on the metal hub, the influence of heat on the synthetic resin wheel main body W is reduced, and the degree of freedom in attaching the heat generating device to the hub can be increased. The functionality of the device will not be impaired. Furthermore, by preparing a plurality of types of wheel bodies W for the hub H and combining and connecting them as appropriate, assembled wheels corresponding to various specifications can be obtained at low cost.

Furthermore, since the hub, which requires many processing steps, can be processed separately from the main body of the wheel, which has a relatively large height, the processing efficiency of the hub is improved, and this also makes it possible to reduce the cost of the assembled wheel.

Furthermore, the assembly direction of the hub H and the wheel main body W coincides with the assembly direction of the assembly wheel to the axle, and since it is only necessary to tighten the nuts 10 to the stud bolts 9..., their assembly is easy. Extremely good.

As described above, according to the present invention, the hub and the main body of the wheel are formed separately, and the assembled wheel is constructed by fastening them into one body using a fastener, so the wheel can be provided at a low price. In addition, it is possible to easily obtain various wheels having different shapes, designs, etc.

The boss of the wheel main body includes a fastened part that is fixed to the wheel support part of the wheel main body with a fastener, a cylindrical part that extends integrally in the axial direction on the inner peripheral side of the fastened part, and a flange portion extending integrally in the axial direction on the outer circumferential side of the fastened portion;
Since the cylindrical part and the flange part are constructed with a radial reinforcing rib that connects and reinforces them, the section modulus around the fastening part between the hub and the wheel main body becomes extremely large, and the fastening part between the hub and the wheel main body becomes extremely large. The strength of the wheel is significantly increased, and the rigidity and durability of the assembled wheel as a whole are improved. Especially when the main body of the wheel is made of synthetic resin, the decrease in strength can be sufficiently compensated for, and the wheel is lightweight and durable. An assembled wheel having the desired rigidity is obtained.

[Brief explanation of the drawing]

1st. Fig. 2 shows a first embodiment of the assembled wheel of the present invention, Fig. 1 is a longitudinal cross-sectional view thereof, Fig. 2 is a cross-sectional view taken along the line 4, and Fig. 3.4 is an assembled wheel according to the present invention. second wheel
FIG. 3 is a longitudinal sectional view of the embodiment, and FIG. 4 is a sectional view taken along the line rV-IV. C... Fastening tool, ■1... Hub, T... Tire,
W...Wheel main body, l...Bearing cylinder part, 2...Wheel support part 5 Engraving of the drawing (no change in content) Figure 1 Procedural amendment (method) June 29, 1980 1, Indication of the case 1982 Patent Application No. 53751 2 Name of the invention Assembly wheel for vehicle 3 Relationship to the case by the person making the amendment Name of the patent applicant (532) Honda Motor Co., Ltd. 4, Agent
Person 〒105 Telephone Tokyo 434-4151 5. Date of amendment order: June 6, 1980 (Shipping date: June 26, 1980)
6. All drawings to be amended (Figs. 1 to 4) Contents of the amendment Procedural amendments Showa November 1959-78 1. Indication of the case Patent Application No. 53751 of 1982 2. Title of the invention Vehicle assembly wheel 3, relationship with the amended case Patent applicant name (532) Honda Motor Co., Ltd. 4, agent
Person 105 Telephone Tokyo 434-4151 5 “Claims” and “Drawings” of the specification subject to amendment (15C
), the cylindrical portion (15a), and Fran 1. The description in the "Claims" column of the specification is corrected as follows. The assembled wheel is constructed by separately constructing a hub CE) and a wheel main body (F) and removably fastening them with a fastener CC), in which the hub CE) has a bearing cylinder part (F). 1) and
The wheel main body (F) consists of a wheel support part (2) that extends integrally from the bearing cylinder part (1), and the wheel main body (F) has a rim (17) on its outer periphery on which the tire CT) is mounted. A boss (15) is provided on the inner circumferential portion, and the boss (15) includes:
A fastened part (15h) fixed to the wheel support part (2) with the fastener CC), and a fastened part (15h)
) is integrally extended in the axial direction from the inner peripheral side of the cylindrical part (15
α) and a radial reinforcing lip (
15d) An assembly wheel for a vehicle, characterized by comprising: 2-2, page 15, line 6 of the specification...The following is added next to "support section". [, 15... Boss, 15a... Cylindrical part, 15h...
Fastened part, 15C...flange part, 15 (7... reinforcing rib, 17... rim" or more 3-

Claims (1)

[Claims] This is an assembled wheel in which a hub (H) and a wheel main body (W) are configured separately and are removably fastened by a fastener (C), the hub (H) having a bearing sleeve. Part (1) and
The wheel support part (2) is integrally extended from the bearing cylinder part (1), and the wheel main body (W) has a rim (17) on the outer periphery of which the tire (T) is mounted. A boss (15) is provided on the inner periphery of the boss (15), and the boss (15) includes:
A fastened part (15b) fixed to the wheel support part (2) with the fastener (C);
A cylindrical part (15
a), a flange portion (15C) extending integrally in the axial direction from the outer peripheral side of the fastened portion (15b), and communication between the cylindrical portion (15a) and the flange portion (15c,). An assembly wheel for a vehicle, characterized in that it comprises a reinforcing radial reinforcing rib (19).