Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
  • B60B3/10—Disc wheels, i.e. wheels with load-supporting disc body apertured to simulate spoked wheels
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
  • B60B7/04—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins built-up of several main parts
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
  • B60B7/06—Fastening arrangements therefor
  • B60B7/08—Fastening arrangements therefor having gripping elements consisting of formations integral with the cover
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B2360/00—Materials; Physical forms thereof
  • B60B2360/10—Metallic materials
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B2900/00—Purpose of invention
  • B60B2900/50—Improvement of
  • B60B2900/572—Visual appearance
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
  • B60B7/18—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins simulating spoked or wire wheel

Definitions

• the invention relates to a vehicle wheel with a rim made of sheet steel for receiving a tire and an inextricably attached to the wheel rim made of sheet steel with a connection area for releasable connection to a wheel, with a design element made of metal, which force with the wheel and / or the rim -, Formally and / or materially connectable or connected.
• Vehicle wheels or vehicle wheels are safety components and therefore must be able to withstand the high mechanical and dynamic cyclical loads during ferry operation.
• Conventional "steel wheels” in sheet metal construction consist of a wheel disc (wheel disc), which ensures the connection to the wheel hub and a rim (rim tape), which receives the tire.
• the wheel components are nowadays invariably produced by cold forming in the multi-stage process (deep drawing, flow-forming, profiling).
• the design plays an essential role and decisively determines the customer acceptance or purchase decision.
• Multi-part motor vehicle wheels are known from the prior art, in particular with the Fo kus to divide a wheel into a support structure and visually enhance with an additional design element made of plastic.
• US Pat. Nos. 2010/0194181 A1 and US 2011/0163593 A1 are cited for wheel systems with a detachable design element.
• a disadvantage of this con struction is the fact that the releasable and known fastening systems can lead to a signifi cant additional weight and NVH problems of the wheels and the resulting design over "aluminum wheels" is greatly improved.
• plastic caps available on the market can be greatly improved with regard to the visibility of the rear steel wheel structure (degree of coverage) as well as the aesthetics and appearance. Compared to the production costs of the steel wheels, the costs for plastic covers are not insignificant. Furthermore, due to the releasable connection between the wheel and the design element, NVH problems (noise vibration harshness) can arise.
• the invention is based on the object of specifying a vehicle wheel, in particular for passenger vehicles, which is characterized by a high design flexibility and visual appeal, low weight and low production costs with high durability and safety.
• the design element has a lower material strength and at least a factor of 2 smaller material thickness and / or lower by at least a factor of 2 material density compared to the steel wheel steel, the design element covers the Anbin tion area of the wheel at least partially.
• the proposed vehicle wheel in particular for passenger vehicles, comprises a wheel disc and a rim made of sheet steel, which are firmly connected to each other and record the operating loads occurring completely or predominantly.
• An additional design element made of metal which ensures only the appearance and design variety of the vehicle wheel or steel wheel and with the rim and / or the Radschadorel force, form and / or cohesively connectable or verbun is, in comparison to the wheel bowl a lower material strength on.
• material strength is meant the tensile strength of the material.
• the design element has an at least factor 2, in particular at least factor 2.5, preferably at least a factor of 3, lower material thickness.
• the design element in comparison to the known from the prior art (DE 10 2013 107 394 Al) design element is not designed to measure operating loads, but only the aesthetics is used, no regulatormaterialdi bridges are required so that these compared to the wheel especially "thin" KEN NEN be executed.
• “thin” is, for example, a material thickness of the design element between 0.2 to 3.0 mm, in particular 0.3 to 2.0 mm, preferably 0.4 to 1.75 mm, more preferably 0.5 to 1, 5 mm to understand.
• the design element is in particular made of a steel sheet with a tensile strength less than 600 MPa and / or an elongation at break A 8 o> 10%.
• reduced tensile strength in particular less than 500 MPa, preferably less than 400 MPa, more preferably less than 300 MPa and / or increasing elongation at break, in particular A 80 > 15%, preferably A 80 > 20%, particularly preferably A 80 > 25%, the increase Formability of cold work steels in general.
• sheet thickness attractive designs in steel-sheet metal construction can be produced.
• a small material thickness allows sharp Radienauscioslessness conditions in the shaping of the steel sheet, preferably by deep drawing, which may also have an advantageous effect on the design of attractive designs made of sheet steel.
• Deep-drawing steel grades with high formability are preferably used, in particular DD, DC, DX grades, in particular according to DIN EN 10 111, 10 130.
• the design element is made of a cold-rolled steel.
• the design element made of sheet steel can also be provided with a corrosion protection coating, in particular based on zinc, which can be / are applied electrolytically or in the hot dip process.
• This can be implemented in particular when usingchtme metals, so that the design element of an aluminum or magnesium alloy can be manufactured in the forging or casting process.
• the freedom of design are in the production of cast or forged parts no limits, so that individual design elements can be produced in any form. Due to the lower material density compared to the steel sheet can be especially solid-looking design elements realized and while the overall weight of the driving zeugrades be kept at a low level.
• the design element of light metal can be detachably connected to the wheel disc and / or the rims, in particular by a non-positive and / or positive connection, preferably a screw and / or a clamp connection and / or a magnetic connection. Especially preferred is a detachable connection between the wheel and the design element outside the connection area on a vehicle-mounted vehicle wheel for the user out of sight.
• the design element made of light metal can also be permanently connected to the wheel dish and / or the rim, in particular by a material connection, preferably an adhesive connection and thus also make a structural contribution to performance.
• connection between the design element and the rim is preferably in the range of the rim flange or the rim shoulder, since in this area only low operating loads occur and in particular a thermal joining process such as when welding or soldering uncritically affects the cyclic load.
• the resistance to curb impact or contact can be improved by a material doubling in the region of the rim flange.
• connection between rim and design element by gluing or flanging re spective folds or clamps or by a magnetic connection on the rim flange.
• the design element can also be connected or connected to the wheel dish, preferably in the connection region, in particular by material bond (such as gluing), adhesion (such as screws or wheel bolts or magnetic connection) and / or positive engagement (eg. such as clamping connection via the bolts / wheel bolts).
• material bond such as gluing
• adhesion such as screws or wheel bolts or magnetic connection
• / or positive engagement eg. such as clamping connection via the bolts / wheel bolts.
• the connection between Desi gnelement and rim and / or Radschadorel done both on the painted and unpainted component or on the assembly (consisting of wheel and rim).
• the design element at least partially covers the connection area of the wheel dish in order to exploit further design possibilities, in particular the area of the wheel dish in its radial extension.
• the design element is made of a light metal in the casting or Schmiedever drive and the area that covers the connection area of the wheel at least area, designed so that the bias of the wheel bolts or screws in addition he can be increased.
• the at least regional coverage of the connection range of the wheel disc make a contribution to the rigidity of the vehicle wheel.
• the aerodynamics of the vehicle wheels in ferry operation verbes sert and thus the energy consumption can be reduced.
• metallic design elements are at the expense of a slight increase in weight on the driving zeugrad, but are in particular compared to known Kunststoffabdeck tone, which may have a coating in particular to simulate the beholder an appearance, it is a metal part, under normal operating conditions essentially unbreakable.
• the design element is not rotationally symmetrical out around its axis of rotation and / or leads by its design to an aerodynamic improvement of the driving zeugrades.
• the wheel Under a wheel is the conventionally known design in the form of a bowl with outlets in the connection area for hub and fasteners (bolts, screws, etc.) and sogenann th ventilation holes but also preferably in the form of spokes (Strukturrad, High-Vent-Wheel, see. EP 1 262 333 B1) or other conceivable embodiments.
• the wheel In general, the wheel is made of hot-rolled steel sheet with a material strength or tensile strength between between 400 and 800 MPa, for example, a dual-phase steel DP 600. More preferably, the wheel is spoke-shaped and has at least three spokes, in particular at least four spokes , preferably at least five spokes on.
• the design element covers the rim in the region of the rim flange and / or the rim shoulder at least in sections.
• the rim flange and / or the rim shoulder of the rim is either completely or only partially covered by the design element.
• the design element has a plurality of sections, which are integrally connected via an outer, at least partially circumferential ring and extend radially from outside to inside, wherein portions of the sections, in particular inner portions of the sections, at least partially cover the connection region of the wheel.
• the outside, at least partially circumferential ring may be formed completely circumferential or in particular interrupted to produce further design options.
• the outer circumferential ring covers the rim in the region of the rim flange and / or the rim shoulder at least in sections.
• the respective sections of the design element are each formed and bounded in each case by at least two webs extending radially from the outside to the inside. par- These are the two webs in the interior of the design element integrally connected to each other, wherein they have a triangular shape, wherein the individual sections are not connected to each other.
• openings for receiving fastening means may be provided in the sections.
• the sections can be interconnected and the design element is designed such that it covers both the connection region and the hub region of the wheel disc, with openings for receiving fasteners are seen in front.
• the respective sections extend in a spoke shape from outside to inside.
• the sections may have an embossment in their longitudinal extent. From the sections may be integrally connected to each other via the inner region of the design element, which at least partially covers the connection region of the wheel disc and having openings for receiving fasteners. Particularly preferably, no material is present in the region of the wheel hub.
• the design element may have a central opening.
• the design element in the connection region of the wheel dish to the wheel is frictionally connectable and / or fixable.
• the Desi invention gnelement at least partially covers the connection area of the wheel and at the Desi gnelement openings for receiving fasteners, which correspond to the openings of the wheel bowl, are provided, the design element can non-positively, in particular by the fastening means, connected to the wheel and / or fixed. For example, if the desi gnelement frictionally connected only by the fasteners and thereby releasably connected to the wheel and / or fixed, can be carried out by replacing the design element as desired thetic embodiments of one and the same vehicle.
• the design element can at least partially cohesively be connected or connected to the wheel dish.
• areas of the wheel disc or the wheel disc can be completely covered by an at least partially cohesive connection, and consequently penetration of dirt and spray water in the operating state can be substantially prevented. Since the design element is not designed directly for receiving operating loads, preferably a connection between the design element and the wheel bowl is made by gluing.
• the wheel disc is in the form of spokes and from the sections of the design element cover at least partially from the spokes.
• the cover can be complete or areas of the spokes remain visible, which can give the vehicle a certain 3D effect.
• the design element and / or the wheel disc or the spokes more Stylingmög possibilities can be opened.
• the vehicle wheel according to the invention can be produced by a method in which initially a manufactured by cold and / or hot forming wheel steel sheet, a manufactured by cold and / or hot forming rim made of sheet steel and a made of metal Designele element, preferably made of sheet steel or made of light metal, the wheel disc and the rim are then connected by a force and material connection, preferably by a press connection and a welded joint, inextricably linked and finally the Desi gnelement force, form and / or material fit with the rim and / or the wheel dish is connected.
• the vehicle wheel according to the invention can be produced by a method in which at first a manufactured by cold and / or hot forming wheel plate made of sheet steel, a manufactured by cold and / or hot forming rim made of sheet steel and a metal made Desi gnelement, preferably from Steel plate or made of light metal, are provided, then the design element and the Radschadorel force, form and / or materially connected to each other and finally connected to the design element wheel force and / or materially connected to the rim.
• Fig. 1 is a vehicle wheel according to a first embodiment of the invention in an exploded view
• Fig. 2a-c vehicle wheels according to a second, third and fourth embodiment of the invention in plan view.
• Fig. 1 is an exploded view of a first embodiment of a driving wheel according to the invention (10) for passenger vehicles.
• the vehicle wheel (10) comprises a rim (2) made of sheet steel for receiving a tire, not shown, and to the rim (2) inextricably attached wheelshaft (1) made of sheet steel with a connection area (1.1) for releasable connection to a wheel carrier, not shown ,
• the wheel disc (1) is preferably in the form of spokes (1.3).
• the vehicle wheel (10) comprises a design element (3) made of metal, which is non-positively, positively and / or cohesively with the rim (2) is connectable.
• the design element (3) compared to the wheel bowl (1) by at least a factor of 2 lower material thickness, since the design element (3) is not designed to accommodate operating loads, but only the aesthetics is used.
• a material thickness of the design element (3) is provided between 0.5 to 1.5 mm
• the Desi gnelement (3) is particularly preferably made of a steel sheet with a tensile strength less than 600 MPa ge and preferably provided with a corrosion protection coating. The material strength of the design element (3) is lower than that of the wheel disc (1).
• the design element can also be made of an aluminum or Magium siumleg réelle in the forging or casting process, thereby the Designele ment compared to the Radschadorel by at least a factor of 2, in particular at least factor 2.5, preferably at least factor 3 lower Can have material density.
• the Materialfes activity of the design element (3) made of light metal is less than that of the wheel disc (1) made of sheet steel.
• the design element (3) has a plurality of sections (3.1), which are integrally connected via an outside at least from sections, circumferential ring (3.2) and extending radially from outside to inside, wherein areas (3.3) of the sections (3.1), in particular internal Areas (3.3) of the sections (3.1), at least partially cover the connection area (1.1) of the wheel disc (1).
• the respective sections (3.1) of the design element (3) are each formed from at least two webs (3.11) extending radially from the outside to the inside.
• the two webs (3.11) in the inner region (3.3) of the design element (3) are integrally connected to each other, wherein they have a triangular shape (Fig. 1, Fig. 2b, Fig. 2c).
• the individual sections (3.1) are not connected to each other.
• FIGS. 2a) to 2c) are shown in plan view.
• the design element (3) is connected to the rim (2), preferably at least in sections, and / or fixed in the connection region (1.1) of the wheel disc (1).
• the force, shape and / or material connection between the design element (3) and rim (2) is preferably carried out in the region of the rim flange or the rim shoulder.
• FIG. 2a is shown that the sections (3.1) which are integrally connected via an outside, at least partially circumferential ring (3.2) and radially from outside to inside, are interconnected and the design element (3) is formed in that it covers both the connection region (1.1) and the hub region (1.2) of the wheel dish (1), with openings (3.4) being provided for receiving fastening means (not shown).
• the design element (3) in the assembled state at least over the fastening means, not shown, additionally frictionally connected to the Radschadorel (1), in particular in the connection area (1.1, 3.3) and / or be fixed.
• the design element (3) at least in sections, preferably by gluing to the wheel bowl (1) be connected.
• this design element (3) is a forged or cast part of an aluminum or magnesium alloy.
• FIG 2b the embodiment of Figure 1 in the assembled state without cover (4) is shown.
• the Designele element (3) at least on the fastening means, not shown in the assembled state additionally frictionally to the Radschadorel (1), in particular in the connection area (1.1, 3.3) be attached and / or fixed.
• the design element (3) at least partially, preferably by means of gluing to the wheel disc (1) be connected. Between the webs (3.11) there are recesses (3.5) and between the clearances (3.6).
• the sections (3.1) of the design element (3) at least partially cover the spokes (1.3) of the wheel disc (1) and areas of the spokes (1.3), in particular through the recesses (3.5), are visible.
• the at least partially circumferential ring (3.2) of the design element can in this embodiment example, between the two webs (3.11) of the respective sections (3.1) interrupted chen (not shown) to sections of the rim (2), in particular of the rim flange respectively Rim shoulder to see or recognize.
• this design element (3) is a forged or cast part made of an aluminum or magnesium alloy.
• Designele element made of an aluminum or magnesium alloy by casting, within the matrix of the respective alloy partially integrated magnets, for example by gluing, and / or cast, which produces a releasable, magnetic connection to the rim and / or wheel can be .

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Body Structure For Vehicles (AREA)
• Forging (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=64564820

Family Applications (1)

Country Status (4)

Families Citing this family (4)

Family Cites Families (15)

• 2017
  • 2017-12-13 DE DE102017222562.9A patent/DE102017222562A1/de not_active Withdrawn
• 2018
  • 2018-11-15 CN CN201880079701.5A patent/CN111479700A/zh not_active Withdrawn
  • 2018-11-15 WO PCT/EP2018/081344 patent/WO2019115135A1/de unknown
  • 2018-11-15 EP EP18811728.7A patent/EP3723999A1/de not_active Withdrawn

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