CN217048119U

CN217048119U - Wheel capable of reducing radial deformation of rim

Info

Publication number: CN217048119U
Application number: CN202122669875.9U
Authority: CN
Inventors: 胡浩辉; 牛建坤; 董浩新
Original assignee: Zhejiang Jinfei Motorcycle Wheel Research Institute Co ltd
Current assignee: Zhejiang Jinfei Motorcycle Wheel Research Institute Co ltd
Priority date: 2021-07-27
Filing date: 2021-11-03
Publication date: 2022-07-26
Anticipated expiration: 2031-11-03

Abstract

The invention relates to a wheel capable of reducing radial deformation of a rim, which comprises a spoke and the rim, and is characterized in that: the rear wheel flange of the rim is of a hollow structure, the width of the rear wheel flange is larger than that of the front wheel flange, and the spoke is connected with the rim to form a wheel. The utility model provides a wheel, adopt spoke and rim separately to make, the rethread is connected and is formed complete wheel, spoke and rim are processed respectively to two kinds of different technologies of make full use of, make spoke and rim all obtain better performance and advantage, and with both the welding obtain the advantage combination of two kinds of technologies together, hollow structure is made to the back rim at especially rim position, and the width of back rim is greater than preceding rim, the structural strength of back rim has been strengthened, reduce the radial deformation of P position and the rear wheel lip fracture scheduling problem between back hump and the rear wheel lip by a wide margin.

Description

Wheel capable of reducing radial deformation of rim

Technical Field

The utility model relates to a wheel of reducible rim radial deformation belongs to aluminum alloy wheel design and processing technology field.

Background

In aluminum alloy wheel design and manufacturing field, design and manufacturing process such as present holistic gravity casting, integral low pressure casting, the rim structure at the rim both ends of wheel is unanimous, but preceding rim is nearer with the spoke, and the atress disperses more easily on spoke and mounting disc, and back rim is far away from the spoke, passes through the rim transmission during the atress, and the rim face after the casting is formed and the machining leads to on the rim P point position radial deformation and the rear wheel lip fracture between back hump and the rear wheel lip easily.

Disclosure of Invention

An object of the utility model is to provide a reducible rim radial deformation's wheel has solved the radial deformation of P position and rear wheel lip fracture scheduling problem between the protruding peak of back and the rear wheel lip on the rim that exists among the prior art.

The above technical purpose of the present invention is mainly solved by the following technical solutions: the utility model provides a wheel of reducible rim radial deformation, includes spoke and rim, and the back rim of rim is hollow structure, and the width of back rim is greater than the width of preceding rim, and the spoke forms the wheel through being connected with the rim.

The utility model provides a wheel, adopt spoke and rim separately to make, rethread welding process forms complete wheel, spoke and rim are processed and manufactured respectively to two kinds of different technologies of make full use of, make spoke and rim all obtain better performance and advantage, and with both the welding advantage combinations that obtain two kinds of technologies together, hollow structure is made to the back rim at especially rim position, and the width of back rim is greater than preceding rim, the structural strength of back rim has been strengthened, reduce P position radial deformation and rear wheel fracture lip scheduling problem between back hump and the rear wheel lip by a wide margin.

Preferably, the spoke further comprises a spoke, a mounting disc, a front convex peak and a spoke welding part, and the spoke is an aluminum alloy casting; the spoke is the aluminum alloy casting, can make things convenient for the spoke of accurate casting wheel design, mounting disc, preceding rim and spoke welding part, can adopt low pressure casting or gravity casting one shot forming, obtains the required size specification of centre bore, bolt hole, spoke and mounting disc through machining, can also obtain the required molding of spoke welding part and adjacent partial rim, obtains required welding part molding and size through machining.

Preferably, the rim also comprises a rear convex peak and a rim welding part, the rim is an aluminum profile rolling welding part, and the outer end of the rim is a rear wheel flange which is rolled and folded into a hollow structure; the rim is an aluminum profile, the rim structure is obtained through the steps of rolling, welding, extrusion molding, folding of the rear wheel flange and the like, the thickness of the aluminum profile is equivalent to the wall thickness of the final rim, machining and cutting allowance is small, material loss is reduced, the hollow rear wheel flange structure can be clamped, the structural strength of the rear wheel flange part is enhanced, and the effect which cannot be achieved through casting is achieved.

Preferably, the width of the rear wheel rim is 12 mm-19 mm; the wheel rim has the advantages that the wheel rim has obvious supporting effect on the P point position between the rear convex peak and the rear wheel lip on the wheel rim, the tire inflation pressure is reduced, the deformation of the P point position caused by the dead weight of a tire and the driving vibration impact of the wheel and the cracking problem caused by the deformation fatigue are reduced, the tire mounting operation and the use of the tire cannot be influenced by the hollow rear wheel rim, and the rear wheel rim is arranged on the inner side of a vehicle and cannot greatly influence the appearance.

Preferably, the spoke welding part and the rim welding part are both L-shaped joints, and the L-shaped joints of the spoke welding part and the rim welding part are spliced together; the L-shaped joints of the spoke welding part and the rim welding part are mutually spliced together, so that the spoke welding part and the rim welding part can be tightly spliced during welding, the mutually supported limiting surfaces are arranged in the direction along the rim surface, and the supported limiting surfaces are arranged on the surface vertical to the rim surface, so that the subsequent welding quality is ensured.

Preferably, the rim is welded into a cylindrical shape by friction stir welding after being rolled, and the L-shaped joints of the spoke welding part and the rim welding part are welded into a whole by friction stir welding; in the friction stir welding, two L-shaped joints are melted by heat generated by friction between a welding tool rotating at a high speed and a rim, and when the welding tool moves forwards along a welding surface, the two plasticized L-shaped joints flow from the front part to the rear part of the welding tool under the action of the rotating friction force of the welding tool and form a compact solid-phase welding seam by extrusion of the welding tool.

Therefore, the utility model has the advantages of can shift the wheel to the polishing station and polish when wheel A face up is carried to can effectively avoid wheel A face to be scratched, convenience of customers uses.

Drawings

FIG. 1 is a schematic view of the welded three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the split type three-dimensional structure in the previous direction of welding in the present invention;

FIG. 3 is a schematic longitudinal sectional view of the present invention;

fig. 4 is a partial enlarged view of the position a in the present invention.

The scores in the figures are as follows: spoke 1, front rim 11, spoke 12, mounting plate 13, front hump 14, spoke weld 15, rim 2, rear rim 21, rear hump 22, rim weld 23.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments provided by the present invention are described below with reference to fig. 1-4.

An embodiment of the utility model provides a wheel of reducible rim 2 radial deformation, including spoke 1 and rim 2, the back rim 21 of rim 2 is hollow structure, and the width of back rim 21 is greater than the width of preceding rim 11, and spoke 1 forms the wheel with rim 2 after through being connected.

The utility model provides a wheel, adopt spoke 1 and rim 2 separately to make, rethread welding process forms complete wheel, make full use of two kinds of different technologies manufacturing spoke 1 and rim 2 respectively, make spoke 1 and rim 2 all obtain better performance and advantage, and with the advantage combination that both welded together two kinds of technologies, hollow structure is made to the back rim 21 at 2 positions of especially rim, and the width of back rim 21 is greater than preceding rim 11, the structural strength of back rim 21 has been strengthened, reduce the radial deformation of P position and the rear wheel lip fracture scheduling problem between back hump 22 and the rear wheel lip by a wide margin.

The spoke 1 further comprises a spoke 12, a mounting disc 13, a front convex peak 14 and a spoke welding part 15, and the spoke 1 is an aluminum alloy casting; spoke 1 is the aluminum alloy casting, can make things convenient for the spoke 12 of accurate casting wheel design, mounting disc 13, preceding rim 11 and spoke welding portion 15, can adopt low pressure casting or gravity casting one shot forming, obtains the required size and specification of centre bore, bolt hole, spoke 12 and mounting disc 13 through machining, can also obtain the required molding of spoke welding portion 15 and adjacent partial rim 2, obtains required welding portion molding and size through machining.

The rim 2 further comprises a rear convex peak 22 and a rim welding part 23, the rim 2 is an aluminum profile rolling welding part, and the outer end of the rim 2 is a rear wheel flange 21 which is rolled and folded into a hollow structure; the rim 2 is an aluminum profile, and the rim 2 structure is obtained through the steps of rolling, welding, extrusion molding, folding the rear rim 21 and the like, the thickness of the aluminum profile is equivalent to the wall thickness of the final rim 2, the allowance for machining and cutting is small, the loss of materials is reduced, the structure of the hollow rear rim 21 can be well accepted, the structural strength of the rear rim 21 is enhanced, and the effect that casting cannot be achieved is achieved.

Wherein the width of the rear wheel rim 21 is 12 mm-19 mm; the hollow rear wheel rim 21 is formed by bending the aluminum section bar, and has strong enough mechanical performance, the hollow rear wheel rim 21 has an obvious supporting effect on the P point position between the rear convex peak 22 and the rear wheel lip on the wheel rim 2, the problems of deformation of the P point position and cracking caused by deformation fatigue caused by tire inflation pressure, vehicle dead weight and wheel driving vibration impact are reduced, the hollow rear wheel rim 21 cannot influence tire mounting operation and use, and the rear wheel rim 21 is arranged on the inner side of a vehicle and cannot greatly influence the appearance.

The spoke welding part 15 and the rim welding part 23 are both L-shaped joints, and the L-shaped joints of the spoke welding part 15 and the rim welding part 23 are spliced together; the L-shaped joints of the spoke welding part 15 and the rim welding part 23 are spliced together, so that the spoke welding part and the rim welding part can be tightly spliced during welding, and not only are mutually supported limiting surfaces arranged in the direction of the surface of the rim 2, but also are supported limiting surfaces arranged on the surface perpendicular to the surface of the rim 2, so that the subsequent welding quality is ensured.

Wherein, the edge of the rim 2 is welded into a cylinder shape by friction stir welding, and the spoke welding part 15 and the L-shaped joint of the rim welding part 23 are welded into a whole by friction stir welding; in the friction stir welding, two L-shaped joints are melted by heat generated by friction between a welding tool rotating at a high speed and the rim 2, and when the welding tool moves forward along a welding surface, the two L-shaped joints plasticized flow from the front part to the rear part of the welding tool under the action of rotational friction of the welding tool, and a dense solid-phase weld is formed by extrusion of the welding tool.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A wheel capable of reducing radial deformation of a rim comprises a spoke (1) and the rim (2), and is characterized in that: the rear wheel rim (21) of the rim (2) is of a hollow structure, the width of the rear wheel rim (21) is larger than that of the front wheel rim (11), the spoke (1) and the rim (2) are connected to form an automobile wheel, the spoke (1) further comprises a spoke (12), a mounting disc (13), a front convex peak (14) and a spoke welding part (15), and the spoke (1) is an aluminum alloy casting; the rim (2) further comprises a rear hump (22) and a rim welding part (23), the rim (2) is an aluminum profile rolling welding part, and the outer end of the rim (2) is a rear wheel flange (21) which is rolled into a hollow structure.

2. A wheel with reduced radial deformation of the rim as claimed in claim 1, wherein: the width of the rear wheel rim (21) ranges from 12mm to 19 mm.

3. A wheel with reduced radial deformation of the rim as claimed in claim 2, wherein: the spoke welding part (15) and the rim welding part (23) are both L-shaped joints, and the L-shaped joints of the spoke welding part (15) and the rim welding part (23) are spliced together.

4. A wheel with reduced radial deformation of the rim as in claim 3, wherein: and the edge of the rim (2) is welded into a cylindrical shape by friction stir welding after being rolled, and the spoke welding part (15) and the L-shaped joint of the rim welding part (23) are welded into a whole by friction stir welding.