CN209972163U - Wheel with hub motor - Google Patents
Wheel with hub motor Download PDFInfo
- Publication number
- CN209972163U CN209972163U CN201920343756.4U CN201920343756U CN209972163U CN 209972163 U CN209972163 U CN 209972163U CN 201920343756 U CN201920343756 U CN 201920343756U CN 209972163 U CN209972163 U CN 209972163U
- Authority
- CN
- China
- Prior art keywords
- hub
- wheel
- bearing
- screw hole
- iron ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
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- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model relates to a take in-wheel motor's wheel, including tire and in-wheel motor, in-wheel motor includes wheel hub, the iron ring, the magnet steel, the stator, the main shaft, first bearing, second bearing and end cover, wheel hub is one end open-ended drum structure, the open end at wheel hub is established to the end cover lid, the inner peripheral surface at wheel hub is pressed fitting to the iron ring, the magnet steel is fixed at the iron ring, the stator housing is established at magnet steel inner week, the main shaft is fixed to be worn to establish on the stator, the cover is worn respectively at first bearing and second bearing in the main shaft both ends, be equipped with the first screw hole of several on the end cover, the one end that corresponds the wheel hub open end on the iron ring is equipped with a flanging, be equipped with several second screw hole on the flanging, wheel hub's open end is equipped with several third screw hole, first screw hole, second. The utility model has the advantages of reasonable structure, firm installation, safe and reliable use, etc.
Description
Technical Field
The utility model relates to a take in-wheel motor's wheel belongs to electric motor car technical field.
Background
At present, wheels with hub motors are widely applied to the field of electric vehicles. For example, the applicant previously filed a patent No. CN201720542850.3 entitled hub motor for an electric vehicle, which includes a plastic hub, a plastic end cap, an iron ring, a magnetic steel ring, a stator fixing shaft, a first bearing, and a second bearing, wherein the plastic hub is a cylindrical structure with an opening at one end and a central hole at the other end, the plastic end cap is covered and fixed at the opening end of the plastic hub, the iron ring is press-mounted in an inner cavity of the plastic hub and is in interference fit with a circumferential surface of the inner cavity, the magnetic steel ring is sleeved on the iron ring and is fixed with the iron ring through glue, the stator is sleeved in the magnetic steel ring and is in clearance fit with the magnetic steel ring, the first bearing is mounted in the central hole of the plastic hub, the second bearing is mounted in a preset axial hole on the plastic end cap, and the stator fixing shaft and the stator are fixed into a. In the structure, the iron ring is only fixed by means of interference fit with the inner circumferential surface of the plastic hub, so that loose fitting is easily caused by the influence of factors such as vibration of a vehicle body and the like in the use process of the electric vehicle, potential safety hazards are brought to normal use of the electric vehicle, and reliability is to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a wheel of band pulley hub motor that the fastness is good, use safe and reliable.
The purpose of the utility model is realized through the following technical scheme:
a wheel with a hub motor comprises a tire and the hub motor, wherein the hub motor comprises a hub, an iron ring, magnetic steel, a stator, a main shaft, a first bearing, a second bearing and an end cover, the hub is of a cylinder structure with an open end, the end cover is arranged at the open end of the hub, the iron ring is pressed in an inner cavity of the hub, the magnetic steel is fixed on the inner circumferential surface of the iron ring, a first bearing hole is formed in the end wall of the other end, opposite to the open end, of the hub, a second bearing hole is formed in the end cover, the first bearing is arranged in the first bearing hole, the second bearing is arranged in the second bearing hole, the stator is sleeved on the inner circumference of the magnetic steel, the main shaft is fixedly arranged on the stator in a penetrating manner, two ends of the main shaft are respectively sleeved on the first bearing and the second bearing, a plurality of first screw holes are formed in, correspond on the iron ring the one end of wheel hub open end is equipped with a flanging, be equipped with the several second screw hole on the flanging, wheel hub's open end is equipped with the several third screw hole, first screw hole, second screw hole and third screw hole one-to-one just pass through screw fixed connection.
Furthermore, the outward flange is tightly attached to the end face of the opening end of the hub and the inner end face of the end cover.
Furthermore, one end of the iron ring, which is far away from the opening end of the hub, is provided with an inner flanging, and the inner flanging and the outer flanging are both of annular flanging structures.
Furthermore, the iron ring is a cylindrical metal plate stamping part with one end provided with the outward flange and the other end provided with the inward flange.
Furthermore, first screw hole, second screw hole and third screw hole all along circumferencial direction evenly distributed.
Furthermore, the positions of the inner peripheral wall of the hub corresponding to the third screw holes are respectively provided with a raised line extending along the axial direction, and the outer peripheral surface of the iron ring is tightly attached to the raised lines.
Furthermore, keep away from on the wheel hub the one end of end cover is provided with the backstop flange, the tire suit is in on the periphery wall of wheel hub, the both ends of tire respectively with the end cover with backstop flange backstop cooperation.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides an iron ring is fixed firm, particularly, it is except that pressure equipment at the wheel hub inner chamber with it tight fit, still through the flanging that the tip was add with wheel hub and end cover screw fixation together, consequently can effectively avoid iron ring bad phenomenon such as not hard up to appear in the use, improves the reliability of wheel and the security of using by this.
Drawings
Fig. 1 is a schematic cross-sectional view of the wheel with the in-wheel motor according to the present invention.
Fig. 2 is an explosion diagram of the wheel with the in-wheel motor according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments shown in the drawings.
As shown in fig. 1 and fig. 2, the wheel with an in-wheel motor according to this embodiment includes a tire 1 and an in-wheel motor 2, where the in-wheel motor 2 includes a wheel hub 20, an iron ring 21, magnetic steel 22, and a stator 23, the magnetic steel hub comprises a main shaft 24, a first bearing 25, a second bearing 26 and an end cover 27, wherein the hub 20 is of a cylindrical structure with an opening at one end, the end cover 27 is covered at the opening end of the hub 20, the iron ring 21 is pressed in an inner cavity of the hub 20, the magnetic steel 22 is fixed on the inner circumferential surface of the iron ring 21, a first bearing hole 201 is formed in the end wall of the other end, opposite to the opening end, of the hub 20, a second bearing hole 271 is formed in the end cover 27, the first bearing 25 is installed in the first bearing hole 201, the second bearing 26 is installed in the second bearing hole 271, the stator 23 is sleeved on the inner circumference of the magnetic steel 22, the main shaft 24 is fixedly arranged on the stator 23 in a penetrating. The end cover 27 is provided with a plurality of first screw holes 272, one end of the iron ring 21 corresponding to the opening end of the hub 20 is provided with a flanging 211, the flanging 211 is provided with a plurality of second screw holes 2110, the opening end of the hub 20 is provided with a plurality of third screw holes 202, and the first screw holes 272, the second screw holes 2110 and the third screw holes 202 are in one-to-one correspondence and are fixedly connected through screws 3.
To further ensure the reliability of the connection, the flange 211 is closely fitted to the open end face of the hub 20 and the inner end face of the end cap 27. Meanwhile, in order to improve the strength of the iron ring 21, an inner flanging 212 is arranged at one end of the iron ring 21, which is far away from the opening end of the hub 20, and the inner flanging 212 and the outer flanging 211 are both in an annular flanging structure.
Preferably, the iron ring 21 is a cylindrical sheet metal stamping part with an outward flange 211 at one end and an inward flange 212 at the other end.
The first screw holes 272, the second screw holes 2110 and the third screw holes 202 are uniformly distributed in the circumferential direction. The inner peripheral wall of the hub 20 is provided with a protruding strip 203 extending along the axial direction at a position corresponding to the third screw hole 202, the outer peripheral surface of the iron ring 21 is tightly attached to each protruding strip 203, the protruding strips 203 can improve the strength of the third screw hole 202 on one hand, and on the other hand, the press fitting of the iron ring 21 can be facilitated.
A stopping flange 204 is arranged at one end of the hub 20 far away from the end cover 27, the tire 1 is sleeved on the outer peripheral wall of the hub 20, and two ends of the tire 1 are respectively matched with the end cover 27 and the stopping flange 204 in a stopping way.
The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.
Claims (7)
1. A wheel with a hub motor comprises a tire and the hub motor, wherein the hub motor comprises a hub, an iron ring, magnetic steel, a stator, a main shaft, a first bearing, a second bearing and an end cover, the hub is of a cylindrical structure with one open end, the end cover is arranged at the open end of the hub, the iron ring is pressed in the inner cavity of the hub, the magnetic steel is fixed on the inner circumferential surface of the iron ring, a first bearing hole is arranged on the end wall of the other end of the hub opposite to the opening end of the hub, a second bearing hole is arranged on the end cover, the first bearing is mounted in the first bearing hole, the second bearing is mounted in the second bearing hole, the stator is sleeved on the inner periphery of the magnetic steel, the main shaft is fixedly arranged on the stator in a penetrating mode, and two ends of the main shaft are respectively sleeved on the first bearing and the second bearing in a penetrating mode, and the stator is characterized in that: be equipped with the first screw hole of several on the end cover, correspond on the iron ring the one end of wheel hub open end is equipped with a flanging, be equipped with several second screw hole on the flanging, wheel hub's open end is equipped with the third screw hole of several, first screw hole, second screw hole and third screw hole one-to-one just pass through screw fixed connection.
2. A wheel with an in-wheel motor according to claim 1, wherein: the outer flanging is tightly attached to the end face of the opening end of the hub and the inner end face of the end cover.
3. A wheel with an in-wheel motor according to claim 1, wherein: an inner flanging is arranged at one end, far away from the opening end of the hub, of the iron ring, and the inner flanging and the outer flanging are both of annular flanging structures.
4. A wheel with an in-wheel motor according to claim 3, wherein: the iron ring is a cylindrical metal plate stamping part with one end provided with the outward flange and the other end provided with the inward flange.
5. A wheel with an in-wheel motor according to claim 1, wherein: first screw hole, second screw hole and third screw hole all follow circumferencial direction evenly distributed.
6. A wheel with an in-wheel motor according to claim 1, wherein: the position department that corresponds to the third screw hole on the internal perisporium of wheel hub is provided with one respectively along axially extended sand grip, the outer circumferential surface of iron ring with each the sand grip closely laminates.
7. A wheel with an in-wheel motor according to claim 1, wherein: keep away from on the wheel hub the one end of end cover is provided with the backstop flange, the tire suit is in on the periphery wall of wheel hub, the both ends of tire respectively with the end cover with backstop flange backstop cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343756.4U CN209972163U (en) | 2019-03-18 | 2019-03-18 | Wheel with hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920343756.4U CN209972163U (en) | 2019-03-18 | 2019-03-18 | Wheel with hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209972163U true CN209972163U (en) | 2020-01-21 |
Family
ID=69254825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920343756.4U Expired - Fee Related CN209972163U (en) | 2019-03-18 | 2019-03-18 | Wheel with hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209972163U (en) |
-
2019
- 2019-03-18 CN CN201920343756.4U patent/CN209972163U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |