CN212667021U - Integrated hub and electric vehicle - Google Patents
Integrated hub and electric vehicle Download PDFInfo
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- CN212667021U CN212667021U CN202021583945.8U CN202021583945U CN212667021U CN 212667021 U CN212667021 U CN 212667021U CN 202021583945 U CN202021583945 U CN 202021583945U CN 212667021 U CN212667021 U CN 212667021U
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Abstract
The utility model discloses an integrated hub and an electric vehicle, wherein the middle part of the outer surface of a magnetic conduction ring is fixedly connected with a rim, and the magnetic conduction ring and the rim are connected into a whole; the first end of the magnetic conduction ring is folded and provided with a flange plate and is fixedly connected with the side cover through the flange plate; the second end of the magnetic conduction ring is provided with an aluminum alloy brake cover and a cast iron brake hub ring, the aluminum alloy brake cover forms a spoke and is connected with the axle, and the cast iron brake hub ring is internally used for installing a brake hub; the aluminum alloy brake cover and the cast iron brake hub ring are made of different materials and are integrally cast; the magnetic conduction ring is made by spinning and drawing a steel plate, the strength is high, so that the thickness can be smaller, the aluminum alloy brake cover and the cast iron brake hub ring are cast into a whole, the aluminum alloy brake cover and the magnetic conduction ring are connected into a whole, the magnetic conduction ring, the aluminum alloy brake cover and the cast iron brake hub ring form an integrated structure, the side cover only needs to be connected through a flange plate during assembly, the assembly process is reduced, the heat dissipation efficiency of the aluminum alloy brake cover is guaranteed, and the heat dissipation of the motor is not influenced.
Description
Technical Field
The utility model relates to a wheel technical field further relates to an integrated form wheel hub. Furthermore, the utility model discloses still relate to an electric motor car.
Background
The rear wheel of the electric vehicle is a power wheel, the rear wheel integrates a driving motor to provide running power, and the rear wheel of the electric vehicle is composed of a rim, a magnetic ring, magnetic steel, a motor rotor, an edge cover and a brake cover.
The existing rim processing technology has two types, one type is a structure of adopting a rim and a magnetic conduction ring in an integrated mode, when a hub motor is installed, magnetic steel is installed to the magnetic conduction ring firstly, then dehydration is coated on two ends of the magnetic conduction ring, one end of the magnetic conduction ring is additionally provided with an aluminum side cover and a motor rotor, the other end of the magnetic conduction ring is additionally provided with an aluminum brake cover, and two ends of the magnetic conduction ring are respectively locked and fixed by bolts. In the process, the aluminum side cover and the aluminum brake cover are both made of aluminum materials through die casting, the heat dissipation effect is good, but in order to ensure that the aluminum side cover and the aluminum brake cover can be installed on the magnetic conduction ring, the two end faces of the magnetic conduction ring can be ensured to leave the positions of the screw holes only by the thickness of more than 6mm, the material cost is high, the integral weight of the hub is increased, and the endurance is influenced; and the aluminum side covers at the two ends and the aluminum brake cover need to be manually coated with water and screwed, so that the operation steps are complicated, and the production efficiency is influenced.
The other type is that rim is with tensile side cover of steel sheet punching press, and rim and magnetic ring are in the same place through welding process combination, and magnetic ring is installed earlier when the wheel hub motor is installed, and then the one end of magnetic ring is glued with the glue, installs motor rotor and aluminium brake lid additional to fix with the bolt locking. In the process, because the two ends of the magnetic conduction ring need to be additionally provided with the side covers, the thickness of the magnetic conduction ring is more than 6.5mm, the side covers are made of steel, the heat dissipation performance of the steel is poor, the heat conductivity coefficient of aluminum is 237W/mK, the heat conductivity coefficient of the steel is 80W/mK, and the difference is nearly three times, so that the performance and the service life of the motor are seriously influenced; and the bearing bin position and the magnetic conduction ring on the side cover need to be additionally welded on the side cover, so that a plurality of welding points are needed, residual stress is easily generated after welding, the toughness of the steel plate is influenced, the production process is complex, and the production cost is high.
For those skilled in the art, how to simplify the assembly process and ensure the heat dissipation efficiency is a technical problem to be solved at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides an integrated form wheel hub simplifies the equipment flow, guarantees the radiating efficiency simultaneously, and concrete scheme is as follows:
an integrated hub comprises a rim and a magnetic conduction ring, wherein the rim is made by spinning and stretching a steel plate, and the middle part of the outer surface of the magnetic conduction ring is fixedly connected with the rim;
the first end of the magnetic conduction ring is provided with a flange plate in a folding mode and is fixedly connected with the side cover through the flange plate; the second end of magnetic conduction ring sets up aluminum alloy brake cover and cast iron brake hub circle, aluminum alloy brake cover with cast iron brake hub circle integrated casting.
Optionally, the inner surface and/or the outer surface of the second end of the magnetic conductive ring is provided with a concave-convex undulating structure; the aluminum alloy brake cover covers the inner surface and the outer surface of the second end of the magnetic conductive ring in a surrounding manner.
Optionally, the concave-convex undulating structure arranged at the second end of the magnetic conductive ring is a threaded ring.
Optionally, the second end of the magnetic conductive ring is provided with a bent section gathered towards the center, and the concave-convex undulating structure of the second magnetic conductive ring is arranged on the bent section.
Optionally, a fixing nut is welded on the flange plate and connected with the bolt through the fixing nut.
Optionally, the thickness of the magnetic conduction ring is 2.5-4.5 mm.
Optionally, the middle position of the rim is recessed toward the axis, and the outer surface of the magnetic conductive ring is welded and fixed with the recessed position of the rim.
The utility model also provides an electric vehicle, including above-mentioned arbitrary integrated form wheel hub.
The utility model provides an integrated hub, which comprises a rim and a magnetic conduction ring which are made by spinning and drawing a steel plate, wherein the middle part of the outer surface of the magnetic conduction ring is fixedly connected with the rim, and the rim and the magnetic conduction ring are connected into a whole; the first end of the magnetic conduction ring is folded and provided with a flange plate and is fixedly connected with the side cover through the flange plate; the second end of the magnetic conduction ring is provided with an aluminum alloy brake cover and a cast iron brake hub ring, the aluminum alloy brake cover forms a spoke and is connected with the axle, and the cast iron brake hub ring is internally used for installing a brake hub; the aluminum alloy brake cover and the cast iron brake hub ring are made of different materials and are integrally cast; the magnetic conduction ring is made by spinning and drawing a steel plate, the strength is high, so that the thickness can be smaller, the aluminum alloy brake cover and the cast iron brake hub ring are cast into a whole, the aluminum alloy brake cover and the magnetic conduction ring are connected into a whole, the magnetic conduction ring, the aluminum alloy brake cover and the cast iron brake hub ring form an integrated structure, the side cover only needs to be connected through a flange plate during assembly, the assembly process is reduced, the heat dissipation efficiency of the aluminum alloy brake cover is guaranteed, and the heat dissipation of the motor is not influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an axonometric view of the integrated hub overall structure provided by the present invention;
fig. 2A is a front view of the integrated hub overall structure provided by the present invention;
FIG. 2B is a cross-sectional view of FIG. 2A;
FIG. 3A is a block diagram of a magnetically conductive ring, an aluminum alloy brake cover, and a cast iron brake hub;
FIG. 3B is a block diagram of an aluminum alloy brake cover and cast iron brake hub;
fig. 3C is a schematic structural view of the magnetic conductive ring.
The figure includes:
the wheel rim comprises a wheel rim 1, a magnetic conduction ring 2, a flange plate 21, a bending section 22, an aluminum alloy brake cover 3, a cast iron brake hub ring 4 and a fixing nut 5.
Detailed Description
The core of the utility model lies in providing an integrated form wheel hub, simplifying the equipment flow, guarantee the radiating efficiency simultaneously.
In order to make those skilled in the art better understand the technical solution of the present invention, the integrated hub and electric vehicle of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the present invention provides an axonometric view of the integrated hub overall structure; fig. 2A is a front view of the integrated hub overall structure provided by the present invention; FIG. 2B is a cross-sectional view of FIG. 2A; the utility model discloses an integrated form wheel hub includes rim 1, magnetic ring 2, aluminum alloy brake cover 3 and cast iron brake hub circle 4 isotructures, and rim 1 and magnetic ring 2 are made by steel sheet spinning is tensile, and both are made for steel, and magnetic ring 2's surface middle part and rim 1 fixed connection, both relatively fixed are as an organic whole to magnetic ring 2's both ends do not contact with rim 1, and magnetic ring 2's both ends are used for installing other structures respectively.
The lower part shown in fig. 2B is a first end, the upper part is a second end, the first end of the magnetic conductive ring 2 is folded to form a flange 21, the flange 21 is annular and has a plane structure, the flange is integrally folded and formed by the main body part of the magnetic conductive ring 2, the main body part of the magnetic conductive ring 2 is cylindrical, magnetic sheets can be mounted on the inner surface of the magnetic conductive ring, and a motor rotor and other structures are mounted in the inner cavity to provide power as an output wheel.
The first end of the magnetic conduction ring 2 is fixedly connected with the side cover through a flange plate 21; the second end of the magnetic conduction ring 2 is provided with an aluminum alloy brake cover 3 and a cast iron brake hub ring 4, and the aluminum alloy brake cover 3 and the cast iron brake hub ring 4 are integrally cast; the aluminum alloy brake cover 3 is cast and molded by an aluminum alloy material, the cast iron brake hub ring 4 is cast and molded by an iron material, the aluminum alloy brake cover 3 and the cast iron brake hub ring 4 are cast and molded synchronously by two different materials, and a whole body is formed after cooling.
As shown in fig. 3A, it is a structural diagram of the magnetic conductive ring 2, the aluminum alloy brake cover 3 and the cast iron brake hub 4; FIG. 3B is a block diagram of an aluminum alloy brake cover 3 and a cast iron brake hub 4; the aluminum alloy brake cover 3 forms a spoke, the center part of the spoke is connected with an axle through a bearing, and the cast iron brake hub ring 4 is of a cylindrical structure and is used for installing a brake mechanism in the inner cavity of the cast iron brake hub ring.
The utility model provides a 2 magnetic ring adopt the tensile formation of steel spinning, and aluminum alloy brake cover 3 adopts the aluminum alloy material casting shaping, and cast iron brake hub ring 4 adopts cast iron material casting shaping, and magnetic ring 2, aluminum alloy brake cover 3 and cast iron brake hub ring 4 three casting shaping back form a whole, do not need the glue spreader and twist the screw during later stage assembly, only need during the assembly connect the side cover can through ring flange 21, reduce the equipment flow. The aluminum alloy brake cover 3 is made of aluminum alloy, has good heat conduction performance, ensures the heat dissipation efficiency and does not influence the service life of the motor.
On the basis of the scheme, the inner surface and/or the outer surface of the second end of the magnetic conduction ring 2 are/is provided with a concave-convex fluctuating structure; the aluminum alloy brake cover 3 surrounds and covers the inner surface and the outer surface of the second end of the magnetic conductive ring 2; when the aluminum alloy brake cover 3 is cast, the aluminum alloy molten liquid respectively surrounds and covers the inner surface and the outer surface of the second end of the magnetic conductive ring 2 to form a U-shaped structure, as shown in fig. 2B, the second end of the magnetic conductive ring 2 is wrapped in the aluminum alloy brake cover 3, the U-shaped structure connected with the magnetic conductive ring 2 on the aluminum alloy brake cover 3 is vertically arranged, and the main body part of the magnetic conductive ring 2 is approximately horizontal; because the internal surface and/or the surface of second end are equipped with unsmooth undulation structure, make the connection of magnetic ring 2 and aluminum alloy brake lid 3 inseparabler, prevent that magnetic ring 2 and aluminum alloy brake lid 3 from taking off.
Specifically, the utility model discloses the unsmooth undulation structure that well magnetic ring 2's second end set up is the screw ring, sets up helicitic texture at the internal surface and the surface of magnetic ring 2's second end, perhaps one of the two, and the aluminum alloy melts the liquid cooling and solidifies the back and form assorted helicitic texture with it, and both mutual interlocks effectively avoid the separation.
As shown in fig. 2B, the second end of the magnetic conductive ring 2 of the present invention is provided with a bending section 22 gathered toward the center, the diameter of the bending section 22 is smaller than the diameter of the main body of the magnetic conductive ring 2, and the concave-convex undulating structure of the second magnetic conductive ring 2 is arranged on the bending section 22; the edge of aluminum alloy brake cover 3 covers on bending segment 22, and the surface of aluminum alloy brake cover 3 flushes with the surface of 2 main part of magnetic ring, promotes the roughness of wheel hub appearance.
As shown in fig. 3C, it is a schematic structural diagram of the flux ring 2; the utility model is provided with a fixed nut 5 welded on the flange 21 and connected with the bolt through the fixed nut 5; the fixing nut 5 is made of steel and provided with through holes, internal threads are arranged on the inner wall of each through hole, and 6-10 through holes are uniformly punched on the flange plate 21 to install the fixing nut 5; the bolt penetrates through the side cover and then is in threaded fit with the fixing nut 5, and the magnetic conduction ring 2 and the side cover are relatively fixed and assembled.
Because the utility model discloses a magnetic ring 2 adopts steel to make to set up ring flange 21 and be used for connecting fixedly, the intensity of steel is higher, therefore magnetic ring 2 can set up to less thickness, specifically, the thickness of magnetic ring 2 is 2.5 ~ 4.5 mm.
Specifically, the middle position of the rim 1 in the utility model is sunken towards the axis, and the outer surface of the magnetic ring 2 is welded and fixed with the sunken position of the rim 1, so that on one hand, the strength of the rim 1 can be increased, on the other hand, the magnetic ring 2 is in contact with the rim 1 in the circumferential direction, and the supporting capability is improved; besides, the magnetic conductive ring 2 and the rim 1 can be indirectly connected through the connecting column, and the specific arrangement forms are all included in the protection scope of the utility model.
The utility model also provides an electric vehicle, including foretell integrated form wheel hub, the same technological effect can be realized to this electric vehicle. Other parts of the structure of the electric vehicle please refer to the prior art, and the utility model is not repeated herein.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The integrated hub is characterized by comprising a rim (1) and a magnetic conductive ring (2) which are made by spinning and drawing a steel plate, wherein the middle part of the outer surface of the magnetic conductive ring (2) is fixedly connected with the rim (1);
the first end of the magnetic conduction ring (2) is provided with a flange plate (21) in a turning way and is fixedly connected with the side cover through the flange plate (21); the second end of magnetic conduction ring (2) sets up aluminum alloy brake cover (3) and cast iron brake hub ring (4), aluminum alloy brake cover (3) with cast iron brake hub ring (4) integrated casting.
2. The integrated hub according to claim 1, wherein the magnetic conductive ring (2) has a relief structure on the inner and/or outer surface of the second end; the aluminum alloy brake cover (3) surrounds and covers the inner surface and the outer surface of the second end of the magnetic conduction ring (2).
3. The integrated hub according to claim 2, wherein the relief structure provided at the second end of the flux ring (2) is a threaded ring.
4. The integrated hub according to claim 2, wherein the second end of the magnetic conductive ring (2) is provided with a bent section (22) which converges towards the center, and the concave-convex structure of the second arrangement of the magnetic conductive ring (2) is arranged on the bent section (22).
5. The integrated hub according to claim 1, wherein the flange (21) is welded with a fixing nut (5) and is connected with the bolt through the fixing nut (5).
6. The integrated hub according to claim 1, wherein the thickness of the flux ring (2) is 2.5-4.5 mm.
7. The integrated hub according to claim 1, wherein the middle position of the rim (1) is recessed towards the axle center, and the outer surface of the magnetic conductive ring (2) is welded and fixed with the recessed position of the rim (1).
8. An electric vehicle comprising an integrated hub as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583945.8U CN212667021U (en) | 2020-08-03 | 2020-08-03 | Integrated hub and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021583945.8U CN212667021U (en) | 2020-08-03 | 2020-08-03 | Integrated hub and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212667021U true CN212667021U (en) | 2021-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021583945.8U Active CN212667021U (en) | 2020-08-03 | 2020-08-03 | Integrated hub and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212667021U (en) |
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2020
- 2020-08-03 CN CN202021583945.8U patent/CN212667021U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated wheel hub and electric vehicle Effective date of registration: 20220427 Granted publication date: 20210309 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: TAIZHOU BOYE TECHNOLOGY Co.,Ltd. Registration number: Y2022330000619 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |