CN213619192U - Low-wind-resistance high-strength aluminum alloy automobile hub - Google Patents
Low-wind-resistance high-strength aluminum alloy automobile hub Download PDFInfo
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- CN213619192U CN213619192U CN202022164004.7U CN202022164004U CN213619192U CN 213619192 U CN213619192 U CN 213619192U CN 202022164004 U CN202022164004 U CN 202022164004U CN 213619192 U CN213619192 U CN 213619192U
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Abstract
A low-wind-resistance high-strength aluminum alloy automobile hub relates to the field of aluminum alloy automobile hubs and comprises a rim, spokes and an axle hub, wherein the spokes are uniformly distributed between the rim and the axle hub and used for supporting the rim, and a hub window is arranged between the spokes; the novel hub window is characterized in that window shielding sheets for sealing the hub window are arranged on the inner side of the hub window, and each window shielding sheet is provided with at least one ventilation hole. The utility model has the advantages of simple structure, low cost, greatly reduced wind resistance, high strength and the like.
Description
Technical Field
The utility model relates to an aluminum alloy automobile wheel hub field, a simple structure, low cost are explained in detail, can greatly reduced windage, the high-strength aluminum alloy automobile wheel hub of low windage that intensity is high.
Background
It is known that the existing aluminum alloy automobile hub comprises a rim, spokes and an axle hub, wherein the spokes are uniformly distributed between the rim and the axle hub and used for supporting the rim, and a hub window is arranged between the spokes. The automobile hub is limited by the modeling style, and the existing aluminum alloy automobile hub has large wind resistance in the driving process due to the existence of the hub window. The reduction of the wind resistance is mostly to increase the endurance mileage and save energy, and the current wind resistance reduction scheme mainly comprises the following two types: 1) and the scheme for changing the modeling structure is as follows: the wind resistance is reduced by reducing the area of the window of the hub as much as possible; the disadvantages of this solution are: the modeling is heavy, the ideal appearance effect cannot be achieved, the weight of the product is greatly increased, and the endurance mileage is shortened. 2) Through the scheme that the cover reduces the windage is decorated to cooperation wheel hub: a decorative cover made of plastic and the like is assembled on the aluminum alloy wheel to reduce wind resistance; the disadvantages of this solution are: the cost is too high, only the purchase cost of the decorative sheet accounts for more than 20% of the total cost of the wheel, and the total added cost part exceeds 25% by adding the links of processing, assembly and the like, and the strength of the wheel hub is not improved; noise can be increased in the driving process, and foreign matters such as small stones can be clamped between the hub and the decorative cover due to factors of schemes such as assembly tolerance.
Disclosure of Invention
The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, low cost, can greatly reduced windage, the high-strength aluminum alloy automobile wheel hub of low windage that intensity is high.
A low-wind-resistance high-strength aluminum alloy automobile hub comprises a rim, spokes and an axle hub, wherein the spokes are uniformly distributed between the rim and the axle hub and used for supporting the rim, and a hub window is arranged between the spokes; the novel hub window is characterized in that window shielding sheets for sealing the hub window are arranged on the inner side of the hub window, and each window shielding sheet is provided with at least one ventilation hole.
The thickness of the window shielding piece in the utility model is 1.5-3.0 mm. In the design stage of a wheel hub mould, on the premise that the original shape is not changed, a cavity with the thickness of 1.5-3.0mm is designed between an upper mould and a bottom mould, when a product is cast, a wheel hub blank with a fully-closed structure is cast, and a connecting piece with the thickness of 1.5-3.0mm is formed at a window part, and if the thickness is too thin, the casting forming process is influenced, only the wind resistance effect can be achieved, and the effect of increasing the product performance cannot be achieved; if the thickness is too thick, the weight and cost of the product are increased, and the driving range of the vehicle is affected. When the thickness is 1.5-3.0mm, the blank casting is facilitated, the wind resistance of the finished product is small, and the weight and the cost of the product are not greatly increased or even increased. Because the connecting piece has certain thickness, the strength of the hub is greatly strengthened, the thickness of the spoke of the hub can be properly reduced, the weight change caused by the connecting piece is offset, the weight of the hub can be integrally controlled, and the weight change caused by the connecting piece structure with the window is avoided.
The utility model discloses in every window shelter from piece middle part and be equipped with a ventilation hole.
The total area of the ventilation holes (on the whole window shielding sheet) in the utility model can not be less than 800 square millimeters. After the closed blank is cast, a vent hole is pre-drilled before a heat treatment process, according to the requirement of the heat dissipation area of the automobile hub, the total area of the vent hole is not less than 800 square millimeters (calculated by 4 vent holes, the radius of a single hole is not less than R8), and the vent hole is pre-drilled before the heat treatment because the vent hole is required to drain water in a heat treatment quenching process.
The utility model discloses in the ventilation hole by preceding to the setting of interior slope to in on the window shielding plate. When the automobile moves forwards, the hub rotates forwards, and the vent holes are arranged on the window shielding sheets along the tangential direction of the rotation of the hub and form an included angle of 30-45 degrees with the axis of the hub. After the vent holes are pre-drilled, in order to remove burrs and eliminate stress formed by drilling, round corners above R1 are required to be chamfered at the opening parts of the inner side and the outer side of the drilling part.
The utility model discloses in the use, because the window shelters from the piece and with the almost whole block of wheel hub window, greatly reduced wheel hub's windage, the window shelters from the piece moreover and has played the intensive effect to wheel hub intensity, and simple structure, technology are simple and convenient, low in manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a schematic perspective view of the present invention.
Detailed Description
As shown in fig. 1 and 2, the low wind resistance and high strength aluminum alloy automobile hub comprises a rim 5, spokes 2 and an axle hub 1, wherein the spokes 2 are uniformly distributed between the rim 5 and the axle hub 1 and used for supporting the rim, and hub windows are arranged between the spokes 2, and the structure is the prior art and is not repeated; the utility model is characterized in that the inner side of each wheel hub window is provided with a window shielding piece 3 which seals the wheel hub window and has the thickness of 1.5-3.0mm, and the middle part of each window shielding piece 3 is provided with a ventilation hole 4; the total area of the vent holes 4 in all the window blocking sheets 3 should not be less than 800 square millimeters. The ventilation holes are formed in the window shielding piece in a mode that the ventilation holes are inclined inwards from front to back, the hub rotates forwards when the automobile moves forwards, and the ventilation holes are formed in the window shielding piece in a mode that an included angle of 30-45 degrees is formed between the ventilation holes and the axis of the hub along the tangential direction of rotation of the hub.
The utility model designs a die cavity with the thickness of 1.5-3.0mm between an upper die and a bottom die at the design stage of a wheel hub die on the premise of keeping the original shape unchanged, and casts a wheel hub blank with a totally-enclosed structure when a product is cast, and forms a 1.5-3.0mm connecting piece at a window part, and if the thickness is too thin, the casting forming process is influenced, and only the wind resistance effect can be achieved, and the performance effect of the product cannot be increased; if the thickness is too thick, the weight and cost of the product are increased, and the driving range of the vehicle is affected. When the thickness is 1.5-3.0mm, the blank casting is facilitated, the wind resistance of the finished product is small, and the weight and the cost of the product are not greatly increased or even increased. Because the connecting piece has certain thickness, the strength of the hub is greatly strengthened, the thickness of the spoke of the hub can be properly reduced, the weight change caused by the connecting piece is offset, the weight of the hub can be integrally controlled, and the weight change caused by the connecting piece structure with the window is avoided.
After the closed blank is cast, a vent hole is pre-drilled before a heat treatment process, according to the requirement of the heat dissipation area of the automobile hub, the total area of the vent hole is not less than 800 square millimeters (calculated by 4 vent holes, the radius of a single hole is not less than R8), and the vent hole is pre-drilled before the heat treatment because the vent hole is required to drain water in a heat treatment quenching process. After the vent holes are pre-drilled, in order to remove burrs and eliminate stress formed by drilling, round corners above R1 are required to be chamfered at the opening parts of the inner side and the outer side of the drilling part.
The utility model discloses in the use, because the window shelters from the piece and with the almost whole block of wheel hub window, greatly reduced wheel hub's windage, the window shelters from the piece moreover and has played the intensive effect to wheel hub intensity, and simple structure, technology are simple and convenient, low in manufacturing cost.
Claims (5)
1. A low-wind-resistance high-strength aluminum alloy automobile hub comprises a rim, spokes and an axle hub, wherein the spokes are uniformly distributed between the rim and the axle hub and used for supporting the rim, and a hub window is arranged between the spokes; the novel hub window is characterized in that window shielding sheets for sealing the hub window are arranged on the inner side of the hub window, and each window shielding sheet is provided with at least one ventilation hole.
2. The low-wind-resistance high-strength aluminum alloy automobile hub according to claim 1, wherein the thickness of the window shielding sheet is 1.5-3.0 mm.
3. The aluminum alloy automobile hub with low wind resistance and high strength according to claim 1, wherein a vent hole is formed in the middle of each window shielding piece.
4. The aluminum alloy automobile hub with low wind resistance and high strength according to claim 1, wherein the total area of the ventilation holes is not less than 800 square millimeters.
5. The low-wind-resistance high-strength aluminum alloy automobile hub according to claim 1, wherein the ventilation holes are formed in the window shielding sheet in a manner of inclining inwards from front to back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164004.7U CN213619192U (en) | 2020-09-28 | 2020-09-28 | Low-wind-resistance high-strength aluminum alloy automobile hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022164004.7U CN213619192U (en) | 2020-09-28 | 2020-09-28 | Low-wind-resistance high-strength aluminum alloy automobile hub |
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| Publication Number | Publication Date |
|---|---|
| CN213619192U true CN213619192U (en) | 2021-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022164004.7U Active CN213619192U (en) | 2020-09-28 | 2020-09-28 | Low-wind-resistance high-strength aluminum alloy automobile hub |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891497A (en) * | 2022-10-24 | 2023-04-04 | 滨州盟威戴卡轮毂有限公司 | Integrated into one piece new forms of energy aluminium wheel |
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2020
- 2020-09-28 CN CN202022164004.7U patent/CN213619192U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115891497A (en) * | 2022-10-24 | 2023-04-04 | 滨州盟威戴卡轮毂有限公司 | Integrated into one piece new forms of energy aluminium wheel |
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