CN216069466U - Wheel anticorrosion structure, wheel and vehicle - Google Patents
Wheel anticorrosion structure, wheel and vehicle Download PDFInfo
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- CN216069466U CN216069466U CN202121402473.6U CN202121402473U CN216069466U CN 216069466 U CN216069466 U CN 216069466U CN 202121402473 U CN202121402473 U CN 202121402473U CN 216069466 U CN216069466 U CN 216069466U
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Abstract
The utility model discloses a wheel anti-corrosion structure, a wheel and a vehicle, and belongs to the technical field of vehicles. According to the utility model, the magnesium alloy wheel mounting surface is designed into a plane structure and is in close contact with the brake disc, so that the phenomenon that fog, water drops, rain, snow and the like are attached to the interior of the wheel mounting surface to generate electrochemical corrosion is avoided.
Description
Technical Field
The utility model belongs to the technical field of vehicles, and particularly relates to a wheel anti-corrosion structure, a wheel and a vehicle.
Background
With the increasing requirements on energy conservation and environmental protection of automobiles, the automobile lightweight technology has become the main research direction of a host factory, magnesium alloy wheels belong to automobile unsprung rotating moving parts, new energy pure electric automobiles use the magnesium alloy wheels, unsprung weight reduction of 10 kg-12 kg (equivalent to sprung weight reduction of 80-100 kg) can be realized, the endurance mileage of the whole automobile is improved by 6-7%, and the energy consumption is reduced by 2-4%; however, the mass production of magnesium alloy wheels has been hampered by the problem of electrochemical corrosion of magnesium alloys.
At present, various domestic host machines and factories research the industrialized application of magnesium alloy wheels, and adopt the traditional aluminum alloy wheel connecting structure, as shown in fig. 1 and fig. 2, the magnesium alloy wheel connecting structure comprises a wheel mounting surface, a wheel connecting hole structure and connecting nuts, wherein the wheel mounting surface is provided with symmetrical grooves, the wheel connecting hole structure is not designed, and the connecting nuts are not subjected to effective insulation corrosion prevention treatment, in the practical application environment, substances such as fog, water drops, rain and snow and the like are easily stored in the above areas to form a corrosion environment (the corrosion potential of the magnesium alloy is-2.37V, and the corrosion potential of cast iron and steel is-0.5 to-0.8V), so that the magnesium alloy wheel is easily subjected to electrochemical corrosion in the areas, the connection is easy to loosen, the driving safety of vehicles is influenced, and the mass production application of the magnesium alloy wheel is further limited.
Therefore, how to solve the corrosion of the magnesium alloy wheel connection is a technical problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a wheel anti-corrosion structure, a wheel and a vehicle, which at least solve the technical problem of connection corrosion of a magnesium alloy wheel, a brake disc and the like.
In order to achieve the above object, in one aspect, the present invention provides a wheel anticorrosion structure, including a wheel mounting surface, the wheel mounting surface being disposed at a central portion of a wheel body, a wheel center hole being disposed on the wheel mounting surface, and the wheel mounting surface being of a planar structure and being tightly coupled to a brake disc.
Optionally, the wheel mounting structure comprises a nut mounting hole step surface and a nut mounting hole step surface wall with a drawing angle.
Optionally, the nut further comprises a connecting nut, the connecting nut is located on the nut mounting hole step surface and the nut mounting hole step surface wall, and the surface of the connecting nut is coated with an insulating material.
Optionally, the insulating material is a non-metallic electrophoretic paint.
Optionally, the connecting nut further comprises a nut end cover, the nut end cover is connected to the connecting nut, and the nut end cover is made of a non-metal material.
Optionally, the height of the step surface of the nut mounting hole is not less than the height of the non-metal nut end cover.
Optionally, the height of the step surface of the nut mounting hole is 2mm to 3mm higher than that of the non-metal nut end cover.
Optionally, weight reduction grooves are provided around the wheel center hole.
In another aspect, the utility model also provides a wheel, which comprises the wheel anticorrosion structure.
In yet another aspect, the utility model also provides a vehicle comprising a wheel as described above.
The utility model has the beneficial effects that:
according to the utility model, the magnesium alloy wheel mounting surface is designed into a plane structure and is in close contact with the brake disc, so that the phenomenon that fog, water drops, rain, snow and the like are attached to the interior of the wheel mounting surface to generate electrochemical corrosion is avoided.
Furthermore, the wheel mounting hole structure comprises the nut mounting hole step surface and the nut mounting hole step surface wall with the drawing angle, the nut mounting hole step surface can be reduced to the maximum extent, surface corrosion prevention treatment can be easily carried out on the nut mounting hole step surface in the production and processing process, meanwhile, attached fog, water drops, rain, snow and the like are volatile, and the risk of electrochemical corrosion in the region can be remarkably reduced.
Furthermore, the connecting nut is subjected to surface treatment by adopting non-metal electrophoretic paint and is provided with a non-metal nut end cover, and through the structure, the electrochemical corrosion caused by fog, water drops, rain, snow and the like attached to the connecting area of the connecting nut and the magnesium alloy wheel can be further avoided or reduced.
Additional features and advantages of the utility model will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
FIG. 1 is a schematic view showing a conventional aluminum alloy wheel;
FIG. 1a shows a schematic view of the enlarged partial structure of FIG. 1 at A-A;
FIG. 1b shows a partial schematic view of FIG. 1 at an increased draft angle A-A;
FIG. 2 shows a schematic structural view of another conventional aluminum alloy wheel;
FIG. 2a shows a schematic view of the enlarged partial structure of FIG. 2 at B-B;
FIG. 2B shows a partial enlarged structural view of FIG. 2 at B-B with the addition of a non-metallic end cap;
FIG. 3 is a schematic structural view showing the height of the nut mounting hole step surface and the non-nut end cap;
FIG. 4 shows a schematic structural diagram of the present invention;
FIG. 5 shows a schematic view of the enlarged partial structure of FIG. 4 at D-D;
FIG. 6 shows another schematic of the structure of the present invention;
fig. 7 shows a schematic view of a partial enlargement at E-E of fig. 6.
Reference numerals: 1. a step surface of the nut mounting hole; 2. the step face wall of the nut mounting hole; 3. a contact flange face; 4. a bolt; 5. a connecting nut; 6. a brake disc; 7. a nut end cap; 10. a wheel mounting surface; 11. a wheel mounting hole; 12. a wheel center hole; 20. and a weight reduction groove.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.
The utility model provides a wheel anti-corrosion structure which comprises a wheel mounting surface 10, wherein the wheel mounting surface 10 is arranged at the central part of a wheel body, a wheel center hole 12 is arranged on the wheel mounting surface 10, and the wheel mounting surface 10 is of a plane structure and is tightly connected with a brake disc 6.
It should be noted that, the wheel mounting surface 10 is designed to be a planar structure, and compared with the conventional symmetric groove structure, the planar structure can achieve 100% surface contact and no gap, so that the situation that mist, water drops, rain, snow and the like are attached to the groove to generate electrochemical corrosion in practical application can be avoided, and the safety of vehicle running is greatly improved by designing the wheel mounting surface 10 to be the planar structure.
As a preferred scheme, the wheel mounting hole structure is further included, the wheel mounting hole structure is arranged on the periphery of the wheel center hole 12, and the wheel mounting hole structure comprises a nut mounting hole step surface 1 and a nut mounting hole step surface wall 2 with a draft angle.
It should be noted that, by setting the wheel mounting hole structure to include the nut mounting hole step surface 1 and the nut mounting hole step surface wall 2 with the draft angle, the nut mounting hole step surface 1 can be reduced to the greatest extent, surface corrosion prevention treatment is easily performed in the production and processing process of the nut mounting hole step surface 1, and meanwhile, attached mist, water drops, rain, snow and the like are volatile, so that the risk of electrochemical corrosion in the area can be remarkably reduced, and when the angle is adjusted to be larger than 7 degrees, the achieved effect is better.
Preferably, the nut installation hole structure further comprises a connecting nut 5, wherein the connecting nut 5 is located on the nut installation hole step surface 1 and the nut installation hole step surface wall 2, and the surface of the connecting nut 5 is coated with an insulating material.
Preferably, the insulating material is a non-metallic electrophoretic paint.
Preferably, the nut connecting structure further comprises a nut end cover 7, wherein the nut end cover 7 is connected to the connecting nut 5, and the nut end cover 7 is made of a non-metal material.
The connecting nut 7 is subjected to surface treatment by adopting non-metal electrophoretic paint, so that electrochemical corrosion of the connecting nut 7 and the magnesium alloy wheel in the presence of a corrosive medium is avoided, meanwhile, a non-metal nut end cover 7 is added, the possibility that fog, water drops, rain, snow and the like attached to the stepped surface 1 of the nut mounting hole of the magnesium alloy wheel and the stepped surface wall 2 of the nut mounting hole form a corrosive environment is blocked, and the electrochemical corrosion of the connecting nut 5 of the magnesium alloy wheel is further avoided.
Preferably, the height of the nut mounting hole step surface 1 is not less than the height of the non-metal nut end cover 7.
Preferably, the height of the step surface 1 of the nut mounting hole is 2mm to 3mm higher than that of the non-metal nut end cover 7.
Preferably, weight-reducing grooves 20 are provided around the wheel center hole 12.
It should be noted that the lightening grooves 20 serve to lighten the wheel.
The utility model also provides a wheel, which comprises the wheel anticorrosion structure.
The utility model also provides a vehicle comprising a wheel as described above.
Examples
The technical solution of the present invention is described in further detail below with reference to fig. 1 to 7.
Referring to fig. 1b, 2b, 3, 4-7, the utility model provides a wheel anticorrosion structure, which comprises a wheel mounting surface 10, a nut mounting hole step surface 1, a nut mounting hole step surface wall 2 with a draft angle, a connecting nut 5 and a non-metal nut end cover 7; the wheel mounting surface 10 is arranged at the center of the wheel body, a wheel center hole 12 is arranged on the wheel mounting surface 10, wheel mounting holes 11 are arranged around the wheel center hole 12, and the wheel mounting surface 10 is of a plane structure and is tightly connected with the brake disc 5.
It should be noted that, the wheel mounting surface 10 is designed to be a planar structure, as shown in fig. 4, compared with the conventional symmetric groove structure, the planar structure can achieve 100% surface contact and no gap as shown in fig. 1, which can avoid the electrochemical corrosion caused by the attachment of mist, water drops, rain and snow on the groove in practical application, and greatly improve the safety of the vehicle during driving by designing the wheel mounting surface 10 to be a planar structure.
Referring to fig. 1 and fig. 1a, for traditional aluminum alloy wheel structure, including nut mounting hole step face 1, nut mounting hole step face wall 2 and nut contact flange face 3, in the actual production process, in order to ensure that nut contact flange face 3 can not carry out the spraying treatment, generally adopt and shelter from, can lead to nut mounting hole step face 1 and nut mounting hole step face wall 2 to be difficult to carry out surface treatment like this, simultaneously in practical application, because nut mounting hole step face 1 sinks deeply, this regional fog, drop of water, sleet etc. of easily attaching to, form corrosive environment easily, produce electrochemical corrosion.
Referring to fig. 1b, according to the utility model, by arranging the nut mounting hole step surface 1 and the nut mounting hole step surface wall 2 with the drawing angle, the nut mounting hole step surface 1 can be reduced to the greatest extent, surface corrosion prevention treatment can be easily carried out in the production and processing process of the nut mounting hole step surface 1, meanwhile, attached mist, water drops, rain, snow and the like are volatile, the risk of electrochemical corrosion in the area can be remarkably reduced, when the angle is adjusted to be more than 7 degrees, the achieved effect is better, and the angle in the implementation is 11 degrees.
Referring to fig. 2 and 2a, a conventional connection structure diagram of an original aluminum alloy wheel is shown, a connection nut 5 is generally processed by electro-galvanizing and metal coating, and is easily conductive, and in practical applications, for example, fog, water drops, rain, snow and the like are attached to a step surface 1 of a nut mounting hole and a step surface wall 2 of the nut mounting hole, so that a corrosive environment is easily formed in the area, and electrochemical corrosion is easily generated in the area of the nut mounting hole of the magnesium alloy wheel.
Referring to fig. 2b, the connecting nut 5 of the utility model is subjected to surface treatment by adopting non-metal electrophoretic paint, has an insulating effect, and avoids electrochemical corrosion of the nut and the magnesium alloy wheel in the presence of a corrosive medium, and the utility model also adds a non-metal nut end cover 7 to block the possibility that mist, water drops, rain, snow and the like attached to the step surface 1 of the magnesium alloy wheel nut mounting hole and the step surface wall 2 region of the nut mounting hole form a corrosive environment, and further avoids electrochemical corrosion of the magnesium alloy wheel nut connecting region.
Referring to fig. 3, the height of the step surface 1 of the magnesium alloy wheel nut mounting hole should be as small as possible, and specifically, the step surface 1H1 of the nut mounting hole should be larger than the height H22 mm-3 mm of the non-metal nut end cover 7 after mounting or equal to the height H2 of the non-metal nut end cover 7 after mounting.
Referring to fig. 6 and 7, weight-reduction grooves 20 are provided around the wheel center hole 12.
The lightening slots 20 are used to lighten the wheel.
According to the utility model, the magnesium alloy wheel mounting surface is designed into a plane structure and is in close contact with the brake disc, so that the phenomenon that fog, water drops, rain, snow and the like are attached to the interior of the wheel mounting surface to generate electrochemical corrosion is avoided.
Furthermore, the wheel mounting hole structure comprises the nut mounting hole step surface and the nut mounting hole step surface wall with the drawing angle, the nut mounting hole step surface can be reduced to the maximum extent, surface corrosion prevention treatment can be easily carried out on the nut mounting hole step surface in the production and processing process, meanwhile, attached fog, water drops, rain, snow and the like are volatile, and the risk of electrochemical corrosion in the region can be remarkably reduced.
Furthermore, the connecting nut is subjected to surface treatment by adopting non-metal electrophoretic paint and is provided with a non-metal nut end cover, and through the structure, the electrochemical corrosion caused by fog, water drops, rain, snow and the like attached to the connecting area of the connecting nut and the magnesium alloy wheel can be further avoided or reduced.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. The wheel anti-corrosion structure comprises a wheel mounting surface, wherein the wheel mounting surface is arranged at the central part of a wheel body, and a wheel center hole is formed in the wheel mounting surface.
2. The wheel corrosion protection structure of claim 1, further comprising a wheel mounting hole structure disposed around the wheel center hole, the wheel mounting hole structure including a nut mounting hole step surface and a nut mounting hole step surface wall having a draft angle.
3. The wheel corrosion prevention structure of claim 2, further comprising a coupling nut located at the nut mounting hole stepped surface and the nut mounting hole stepped surface wall, a surface of the coupling nut being coated with an insulating material.
4. The wheel corrosion protection structure of claim 3, wherein said insulating material is a non-metallic electrophoretic paint.
5. The wheel corrosion prevention structure of claim 3, further comprising a nut end cap, wherein the nut end cap is connected to the connection nut, and the nut end cap is made of a non-metallic material.
6. The wheel corrosion prevention structure of claim 5 wherein the height of the nut mounting hole step surface is no less than the height of the non-metallic nut end cap.
7. The wheel corrosion prevention structure of claim 5, wherein the height of the step surface of the nut mounting hole is 2mm to 3mm higher than the height of the non-metallic nut end cover.
8. The wheel corrosion prevention structure of claim 1, wherein weight reduction grooves are provided around the wheel center hole.
9. A wheel comprising the wheel corrosion prevention structure according to any one of claims 1 to 8.
10. A vehicle comprising a wheel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402473.6U CN216069466U (en) | 2021-06-23 | 2021-06-23 | Wheel anticorrosion structure, wheel and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121402473.6U CN216069466U (en) | 2021-06-23 | 2021-06-23 | Wheel anticorrosion structure, wheel and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216069466U true CN216069466U (en) | 2022-03-18 |
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ID=80664116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121402473.6U Active CN216069466U (en) | 2021-06-23 | 2021-06-23 | Wheel anticorrosion structure, wheel and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216069466U (en) |
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2021
- 2021-06-23 CN CN202121402473.6U patent/CN216069466U/en active Active
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