CN216101326U - Electric motor car motor aluminium wheel hub suitable for vacuum child - Google Patents
Electric motor car motor aluminium wheel hub suitable for vacuum child Download PDFInfo
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- CN216101326U CN216101326U CN202122874301.5U CN202122874301U CN216101326U CN 216101326 U CN216101326 U CN 216101326U CN 202122874301 U CN202122874301 U CN 202122874301U CN 216101326 U CN216101326 U CN 216101326U
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Abstract
The utility model relates to an electric vehicle motor aluminum hub suitable for a vacuum tire, which comprises a rim, a hub body and a magnetic conduction ring, wherein the rim, the hub body and the magnetic conduction ring are all annular, the magnetic conduction ring is arranged on the inner side of the hub body, the rim is arranged on the outer side of the hub body, the rim and the hub body are welded by adopting wrought aluminum alloy, and the magnetic conduction ring is in interference connection with the hub body; the inner side of the hub body is provided with a bulge facing the circle center of the hub body, and the bulge is in interference connection with the outer side of the magnetic conductive ring. After adopting such structure, rim and wheel hub body are the design of disconnect-type, and the rim gas tightness is better, can be applicable to the vacuum child to improve the experience of riding of electric motor car. The manufacturing process is simple, the production efficiency is high, the air tightness is good, and the electric vehicle has good applicability in use.
Description
Technical Field
The utility model relates to the field of electric vehicle equipment, in particular to an electric vehicle motor aluminum hub suitable for a vacuum tire.
Background
The existing wheel hub mainly comprises two forms, one is an iron wheel type wheel hub, as shown in figure 1, the structure of the existing wheel hub is that a steel wheel rim is directly welded outside a steel magnetic conduction ring; one is an integrally formed hub, as shown in fig. 2, the general structure of which is to cast a steel magnetic conductive ring as an insert into a light alloy material such as aluminum magnesium. The former has heavy weight and poor riding comfort. The latter has low production efficiency, poor air tightness of the wheel hub and high air leakage ratio, and cannot be suitable for vacuum tires. There is a need to design a wheel hub that can improve the riding comfort of the existing electric vehicle.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior technical problem, the utility model provides an electric vehicle motor aluminum hub suitable for a vacuum tire.
The utility model specifically comprises the following contents: an electric vehicle motor aluminum hub suitable for a vacuum tire comprises a rim, a hub body and a steel magnetic conduction ring (hereinafter referred to as the magnetic conduction ring), wherein the rim, the hub body and the magnetic conduction ring are all annular, the magnetic conduction ring is arranged on the inner side of the hub body, the rim is arranged on the outer side of the hub body, the rim and the hub body are welded by adopting a deformed aluminum alloy, and the magnetic conduction ring is in interference connection with the hub body; the inner side of the hub body is provided with a convex part facing the circle center of the hub body, the inner side arc surface of the convex part and the inner side arc surface of the hub body are concentric circles, and the inner side arc surface of the convex part is in interference fit with the outer side of the magnetic conductive ring.
In a preferred embodiment of the present invention, the interference between the magnetic ring and the hub body is 0.05-0.50 mm, preferably 0.15-0.25 mm.
Specifically, the boss includes first boss and second boss, and first boss, second boss are along the inboard mutual interval evenly distributed of wheel hub body, form the arc between first boss and the second boss and subtract heavy groove, set up the screw hole on the first boss.
Furthermore, a semicircular hole is formed at the contact position of the second protruding part and the magnetic conduction ring, the semicircular hole is formed at the contact position of the magnetic conduction ring, the two semicircular holes form a circular hole, and a pin is inserted into the circular hole when the second protruding part is connected with the magnetic conduction ring; at the moment, the interference magnitude between the magnetic conduction ring and the hub body is 0.05-0.30 mm, and preferably 0.10-0.20 mm.
Wherein the number of the weight reduction grooves is 8-30, and preferably 12-16.
Preferably, the rim and the hub body are processed by aluminum profiles; the magnetic conduction ring is made of low-carbon steel.
The utility model has the beneficial effects that: after adopting such structure, rim and wheel hub body are the design of disconnect-type, and the rim gas tightness is better, can be applicable to the vacuum child to improve the experience of riding of electric motor car. The manufacturing process is simple, the production efficiency is high, the air tightness is good, and the electric vehicle has good applicability in use.
Drawings
The following further explains embodiments of the present invention with reference to the drawings.
FIG. 1 is a schematic view of a conventional iron wheel hub;
FIG. 2 is a schematic view of a prior art integrally formed hub;
FIG. 3 is a schematic perspective view of the embodiment 1;
fig. 4 is a schematic structural view of the hub body of embodiment 1;
fig. 5 is a schematic structural view of a hub body of embodiment 2;
fig. 6 is a schematic structural view of the hub body and the flux ring according to embodiment 2.
Detailed Description
Example 1
Combine fig. 3, fig. 4 to show, this embodiment discloses an electric motor car motor aluminum wheel hub suitable for vacuum child, including rim 1, wheel hub body 2 and magnetic ring 3, magnetic ring 3 sets up the inboard at wheel hub body 2, and rim 1 sets up the outside at wheel hub body 2, and rim 1 adopts the aluminum alloy welding with wheel hub body 2. The iron wheel type hub in the prior art is poor in riding experience when being applied to an electric vehicle, and the hub manufactured by the insert casting integrated forming process is poor in air tightness and not suitable for a vacuum tire. In this embodiment, rim 1 and wheel hub body 2 are the design of disconnect-type, and rim 1 gas tightness is better, can be applicable to the vacuum child to improve the experience of riding of electric motor car.
In this embodiment, rim 1 and wheel hub body 2 all adopt the aluminium alloy preparation, and wherein rim 1 adopts the coiling butt-joint of deformation aluminium alloy ex-trusions to form, and wheel hub body 2 adopts the aluminium alloy processing to form, and the magnetic ring adopts low carbon steel to make and forms. In the iron wheel type hub in the prior art, the rim 1 is directly welded outside the magnetic conduction ring 3, the rim 1 is made of steel, and the rim 1 cannot be directly welded with the magnetic conduction ring 3 when being made of aluminum. Adopt aluminum alloy preparation rim 1 and wheel hub body 2 in this embodiment, can make rim 1 and wheel hub body 2 welding, the technology is comparatively simple and production efficiency is higher than insert casting integrated into one piece technology.
This embodiment is preferred, is interference fit between wheel hub body 2 and the magnetic ring 3, is equipped with a plurality of bellying in the inboard of wheel hub body 2, the bellying includes first bellying 21 and second bellying 22, and interval evenly distributed is equipped with the screw hole on the inboard of wheel hub body 2 on the first bellying 22 to the motor end cover is fixed on wheel hub body 2, the degree of depth 10 ~ 15mm of screw hole, and first bellying 21 and second bellying 22 are connected towards inboard outside interference with magnetic ring 3 on one side. In this embodiment, the first protruding portion 21 and the second protruding portion 22 are fan-shaped, that is, the inner arc edge and the inner arc edge of the hub body are located on a concentric circle. At this time, the interference magnitude between the magnetic ring 3 and the hub body 2 is 0.05-0.50 mm, preferably 0.15-0.25 mm.
Still be equipped with at the inboard of wheel hub body 2 and subtract heavy groove, first bellying 21 and second bellying 22 all are smooth connection with the inboard junction of wheel hub body 2, the recess between first bellying 21 and the second bellying 22 is promptly for subtracting heavy groove, when wheel hub body 2 is connected with magnetic ring 3, need not to be connected the whole and magnetic ring 3 outsides of wheel hub body 2 inboard, the thickness and the weight of wheel hub body 2 have been reduced, thereby make the electric motor car lighter, and reduced the manufacturing material, the cost is saved. The number of the weight-reducing grooves is 8-30, preferably 12-16 (12 in the embodiment).
Example 2
With reference to fig. 5 and 6, the present embodiment discloses an aluminum wheel hub of an electric vehicle motor suitable for a vacuum tire, which is different from embodiment 1 in that:
the second protruding portion 22 has a fan-shaped structure with a semicircular hole, a semicircular hole 221 is formed in the central position of the inner side (the side connected with the magnetic conductive ring 3) of the fan-shaped structure, a semicircular hole is also formed in the corresponding position of the magnetic conductive ring 3, the two semicircular holes have the same specification and are matched with each other to form a circular hole, and when the hub body 2 and the magnetic conductive ring 3 are connected together, the pin 4 is inserted into the circular hole. The boss is inserted into the round hole through the pin 4, so that the second boss 22 and the magnetic conduction ring 3 can be fixed at the position, the fixing strength between the second boss and the magnetic conduction ring is increased, and the connection is tighter.
In this embodiment, the interference magnitude between the magnetic ring 3 and the hub body 2 is 0.05-0.30 mm, preferably 0.10-0.20 mm. Through interference connection, make between magnetic ring and the wheel hub body, the connection between bellying and the magnetic ring inseparabler, because adopt in this embodiment to fix with the round hole with the pin for the magnitude of interference between magnetic ring and the wheel hub body can reduce.
The remaining technical features are the same as those of embodiment 1, and are not described herein again.
The electric vehicle motor aluminum hub is suitable for the vacuum tire, the hub body 2 and the rim 1 can be formed by welding aluminum alloy, the air tightness is higher, the electric vehicle motor aluminum hub is suitable for the vacuum tire, and compared with the prior art, the electric vehicle motor aluminum hub is lighter and lighter, and the riding experience of an electric vehicle can be effectively improved. Wheel hub sets up and subtracts heavy groove, can effectively alleviate 2 weights of wheel hub body, improves the electric motor car comfort level. The two interference fit modes of the hub body 2 and the magnetic conduction ring 3 can enable the connection to be tighter. The hub provided by the utility model is simple in manufacturing process, high in production efficiency, good in air tightness and good in applicability in the use of electric vehicles.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the present invention. The foregoing description is only a preferred embodiment of the utility model, which can be embodied in many different forms than described herein, and therefore the utility model is not limited to the specific embodiments disclosed above. And that those skilled in the art may, using the methods and techniques disclosed above, make numerous possible variations and modifications to the disclosed embodiments, or modify equivalents thereof, without departing from the scope of the claimed embodiments. Any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides an electric motor car motor aluminium wheel hub suitable for vacuum child, includes rim, wheel hub body and magnetic ring, and rim, wheel hub body and magnetic ring are whole all to be annular, its characterized in that: the magnetic conductive ring is arranged on the inner side of the hub body, the rim is arranged on the outer side of the hub body, the rim and the hub body are welded by adopting wrought aluminum alloy, and the magnetic conductive ring is in interference connection with the hub body; the inner side of the hub body is provided with a convex part facing the circle center of the hub body, the inner side arc surface of the convex part and the inner side arc surface of the hub body are concentric circles, and the inner side arc surface of the convex part is in interference fit with the outer side of the magnetic conductive ring.
2. An electric vehicle motor aluminum hub suitable for a vacuum tire as in claim 1, wherein: the interference magnitude of the magnetic conduction ring and the hub body is 0.05-0.50 mm.
3. An electric vehicle motor aluminum hub suitable for a vacuum tire as in claim 1, wherein: the wheel hub comprises a hub body and is characterized in that the protruding portions comprise first protruding portions and second protruding portions, the first protruding portions and the second protruding portions are evenly distributed along the inner side of the hub body at intervals, arc-shaped weight reducing grooves are formed between the first protruding portions and the second protruding portions, and threaded holes are formed in the first protruding portions.
4. An electric vehicle motor aluminum hub adapted for a vacuum tire as in claim 3, wherein: the second bulge is equipped with the semicircle orifice with the contact department of magnetic conduction ring, and the magnetic conduction ring corresponds and is equipped with the semicircle orifice in the contact department, and two semicircle orifices form the round hole, insert the pin in round hole department when second bulge is connected with the magnetic conduction ring.
5. An electric vehicle motor aluminum hub suitable for a vacuum tire as in claim 4, wherein: the interference magnitude of the magnetic conduction ring and the hub body is 0.05-0.30 mm.
6. An electric vehicle motor aluminum hub adapted for a vacuum tire as in claim 3, wherein: the number of the weight reduction grooves is 8-30.
7. An electric vehicle motor aluminum hub suitable for a vacuum tire as in claim 1, wherein: the rim and the hub body are processed by aluminum profiles.
8. An electric vehicle motor aluminum hub suitable for a vacuum tire as in claim 1, wherein: the magnetic conduction ring is made of low-carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874301.5U CN216101326U (en) | 2021-11-23 | 2021-11-23 | Electric motor car motor aluminium wheel hub suitable for vacuum child |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122874301.5U CN216101326U (en) | 2021-11-23 | 2021-11-23 | Electric motor car motor aluminium wheel hub suitable for vacuum child |
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| CN216101326U true CN216101326U (en) | 2022-03-22 |
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| CN202122874301.5U Active CN216101326U (en) | 2021-11-23 | 2021-11-23 | Electric motor car motor aluminium wheel hub suitable for vacuum child |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184743A1 (en) * | 2022-03-26 | 2023-10-05 | 郑学华 | Electric vehicle and hub |
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2021
- 2021-11-23 CN CN202122874301.5U patent/CN216101326U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184743A1 (en) * | 2022-03-26 | 2023-10-05 | 郑学华 | Electric vehicle and hub |
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