CN215120428U - Installation integrated structure of hub motor for electric vehicle - Google Patents
Installation integrated structure of hub motor for electric vehicle Download PDFInfo
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- CN215120428U CN215120428U CN202120671010.3U CN202120671010U CN215120428U CN 215120428 U CN215120428 U CN 215120428U CN 202120671010 U CN202120671010 U CN 202120671010U CN 215120428 U CN215120428 U CN 215120428U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The utility model discloses an installation integrated structure of a hub motor for an electric vehicle, which comprises a stator and a motor shaft which are fixedly installed and connected, a rotor, a hub, a first side cover and a second side cover which are fixedly installed and connected, wherein the first side cover and the second side cover can be installed at the two ends of the motor shaft in a relatively rotating way; the two ends of the motor shaft are respectively inserted with a double-hole anti-rotation mounting piece, a first mounting hole of the double-hole anti-rotation mounting piece is inserted on the motor shaft, and a second mounting hole of the double-hole anti-rotation mounting piece is fixedly mounted on a wheel frame of the electric vehicle; the motor shaft positioned on the outer side of each double-hole anti-rotation mounting piece is locked through a nut; the utility model discloses showing and strengthening the installation intensity of wheel hub motor for the electric motor on the electric motor car and improving installation stability, stopped wheel hub motor effectively and taken place the possibility of shake after long-time the use, improved wheel hub motor for the electric motor's life.
Description
Technical Field
The utility model belongs to electric motor car drive arrangement field, concretely relates to installation integrated configuration of in-wheel motor for electric motor car.
Background
With the large-scale popularization and application of electric vehicles, the annual output of hub motors for electric vehicles is increased year by year, and the market demand is huge. Because the production scale of the hub motor for the electric vehicle is larger and larger, and people put forward better and higher cost performance requirements for the electric vehicle, the cost performance of the hub motor is required to be improved by manufacturers of the hub motor.
Specifically, after the existing in-wheel motor for the electric vehicle is installed, a motor shaft is usually inserted into a wheel frame of the electric vehicle, and then both ends of the motor shaft are fixed and locked by nuts. However, the applicant has found that this mounting arrangement may suffer from motor wobble relative to the wheel carrier, which can present a quality hazard.
Therefore, the applicant wishes to seek technical solutions to solve the above technical problems.
Disclosure of Invention
In view of this, the utility model aims at providing an installation integrated configuration of in-wheel motor for electric motor car is showing and has consolidated the installation intensity of in-wheel motor for electric motor car on the electric motor car and improved installation stability, has stopped effectively that in-wheel motor takes place the possibility of shake after using for a long time, has improved the life of in-wheel motor for the electric motor car.
The utility model adopts the technical scheme as follows:
a mounting integrated structure of a hub motor for an electric vehicle comprises a stator and a motor shaft which are fixedly mounted and connected, and a rotor, a hub, a first side cover and a second side cover which are fixedly mounted and connected, wherein the first side cover and the second side cover can be relatively rotatably mounted at two ends of the motor shaft; the two ends of the motor shaft are respectively inserted with a double-hole anti-rotation mounting piece, a first mounting hole of the double-hole anti-rotation mounting piece is inserted on the motor shaft, and a second mounting hole of the double-hole anti-rotation mounting piece is fixedly mounted on a wheel frame of the electric vehicle; and the motor shaft positioned on the outer side of each double-hole anti-rotation mounting piece is locked through a nut.
Preferably, the motor shaft positioned on the inner side of each double-hole anti-rotation mounting piece is inserted with a single-hole hook anti-rotation piece, one end of the single-hole hook anti-rotation piece is provided with a hook bent outwards, and the single-hole hook is correspondingly in limit fit with the adjacent double-hole anti-rotation mounting piece through the hook.
Preferably, the first mounting hole and the second mounting hole of the double-hole anti-rotation mounting piece are both waist-shaped; and the width of the second mounting hole is larger than that of the first mounting hole.
Preferably, the length range of the double-hole anti-rotation mounting piece is 58-62 mm; the length range of the second mounting hole is 16-17mm, the distance between the first mounting hole and the second mounting hole is 14.5-15.5mm, and the length range of the first mounting hole is 19-21 mm.
Preferably, the double-hole anti-rotation mounting piece is eccentrically inserted into the motor shaft through the first mounting hole.
Preferably, the single-hole hook anti-rotation piece is in a ring shape.
Preferably, the outer diameter range of the single-hole hook anti-rotation piece is 25-27mm, the diameter range of the insertion hole is 15.5-16.5mm, and the width range of the hook is 11.5-12.5 mm.
Preferably, the thickness of the double-hole anti-rotation mounting piece is greater than that of the single-hole hook anti-rotation piece.
Preferably, the hook is correspondingly limited and matched with the outer side of the first mounting hole of the double-hole anti-rotation mounting piece.
Preferably, but first side cover and second side cover relative rotation install through the bearing respectively the motor shaft both ends, simultaneously be equipped with at least 1 oil blanket between first side cover and the motor shaft respectively with the second side cover.
The utility model provides a further set up the diplopore on the inboard motor shaft of nut locking end and prevent changeing the installation piece, it is connected with the corresponding cartridge of motor shaft to prevent changeing the first mounting hole of installation piece through the diplopore, simultaneously through the wheel frame fixed mounting of second mounting hole with the electric motor car, prevent changeing the nut locking structure that the installation connection of installation realization to motor shaft and wheel frame and intercommunication motor shaft outer end through this two accuses of installation piece, showing and having consolidated the installation intensity of in-wheel motor for the electric motor on the electric motor car and having improved the installation stability, the possibility of the shake takes place after long-time use of in-wheel motor has been stopped effectively, the life of in-wheel motor for the electric motor car has been improved.
Drawings
Fig. 1 is a schematic view of an installation and integration structure of a hub motor for an electric vehicle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural view of the dual-hole anti-rotation mounting plate of FIG. 1;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view of the construction of the hook rotation prevention piece with a single hole in FIG. 1;
fig. 6 is a side view of fig. 5.
Detailed Description
The embodiment of the utility model discloses an installation integrated structure of a wheel hub motor for an electric vehicle, which comprises a stator, a motor shaft, a rotor, a wheel hub, a first side cover and a second side cover, wherein the stator and the motor shaft are fixedly installed and connected; the two ends of the motor shaft are respectively inserted with a double-hole anti-rotation mounting piece, a first mounting hole of the double-hole anti-rotation mounting piece is inserted on the motor shaft, and a second mounting hole of the double-hole anti-rotation mounting piece is fixedly mounted on a wheel frame of the electric vehicle; and the motor shaft positioned on the outer side of each double-hole anti-rotation mounting piece is locked through a nut.
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1 and 2, an integrated structure 1 for mounting a hub motor for an electric vehicle includes a stator 11 and a motor shaft 12 fixedly mounted and connected, a rotor 13, a hub 14, a first side cover 15a and a second side cover 15b fixedly mounted and connected, wherein the first side cover 15a and the second side cover 15b are relatively rotatably mounted at two ends of the motor shaft 12; the two ends of the motor shaft 12 are respectively inserted with a double-hole anti-rotation mounting piece 2, a first mounting hole 21 of the double-hole anti-rotation mounting piece 2 is inserted on the motor shaft 12, and a second mounting hole 22 is used for being fixedly mounted on a wheel frame (a known structure, not shown) of the electric vehicle; the motor shaft 12 positioned at the outer side of each double-hole anti-rotation mounting piece 2 is locked by a nut 16;
preferably, as further shown in fig. 3 and 4, in the present embodiment, the first mounting hole 21 and the second mounting hole 22 of the dual-hole anti-rotation mounting plate 2 are both in a kidney shape; and the width of the second mounting hole 22 is greater than the width of the first mounting hole 21; further preferably, in the embodiment, the length of the double-hole anti-rotation mounting piece 2 ranges from 58 mm to 62 mm; the length L22 of the second mounting hole 22 ranges from 16mm to 17mm, the distance D2 between the first mounting hole 21 and the second mounting hole 22 ranges from 14.5 mm to 15.5mm, and the length L21 of the first mounting hole 21 ranges from 19 mm to 21 mm; the width range of the double-hole anti-rotation mounting piece 2 is 20-22mm, the width W22 range of the second mounting hole 22 is 12-13mm, and the width W21 range of the first mounting hole 21 is 6-8 mm; particularly preferably, in order to facilitate the anti-rotation mounting stability, in the present embodiment, the dual-hole anti-rotation mounting plate 2 is eccentrically inserted into the motor shaft 12 through the first mounting hole 21; the length of the double-hole anti-rotation mounting piece 2 is 60 mm; the length L22 of the second mounting hole 22 is 16.5mm, the distance D2 between the first mounting hole 21 and the second mounting hole 22 is 15mm, and the length L21 of the first mounting hole 21 is 20 mm; the width of the double-hole anti-rotation mounting piece 2 is 21mm, the width W22 of the second mounting hole 22 is 12.5mm, and the width W21 of the first mounting hole 21 is 7 mm;
preferably, as further shown in fig. 5 and fig. 6, in the present embodiment, a single-hole hook rotation-preventing piece 3 is inserted on the motor shaft 12 located inside each double-hole rotation-preventing mounting piece 2, one end of the single-hole hook rotation-preventing piece 3 is provided with a hook 31 bent outward, and the hook 31 is in corresponding limit fit with the adjacent double-hole rotation-preventing mounting piece 2, specifically, the hook 31 is in corresponding limit fit with the outer side of the first mounting hole 21 of the double-hole rotation-preventing mounting piece 2; further preferably, in the present embodiment, the single-hole hook rotation-preventing piece 3 is in a ring shape, which is beneficial to the limit matching between the hook 31 structure and the double-hole rotation-preventing mounting piece 2; further preferably, in the embodiment, the outer diameter Φ 3 of the single-hole hook rotation preventing piece 3 ranges from 25 mm to 27mm, the diameter Φ 32 of the insertion hole 32 ranges from 15.5mm to 16.5mm, and the width W31 of the hook 31 ranges from 11.5 mm to 12.5 mm; specifically, in the present embodiment, the outer diameter Φ 3 of the one-hole hook rotation preventing piece 3 is 26mm, the diameter Φ 32 of the insertion hole 32 is 16mm, and the width W31 of the hook 31 is 12 mm.
Preferably, in the present embodiment, the thickness T2 of the dual hole rotation-preventing mounting plate 2 is greater than the thickness T3 of the single hole hook rotation-preventing plate 3, and particularly preferably, in the present embodiment, the thickness T2 of the dual hole rotation-preventing mounting plate 2 is 5mm, and the thickness T3 of the single hole hook rotation-preventing plate 3 is 4 mm.
Preferably, the first side cover 15a and the second side cover 15b are respectively rotatably mounted at two ends of the motor shaft 12 through bearings 17, and at least 1 oil seal 18 is respectively arranged between the first side cover 15a and the second side cover 15b and the motor shaft 12, so as to facilitate the dustproof and waterproof effects inside the in-wheel motor.
The embodiment provides that it prevents changeing installation piece 2 to further set up the diplopore on the inboard motor shaft 12 of nut 16 locking end, it is connected with motor shaft 12 corresponding cartridge to prevent changeing first mounting hole 21 of installation piece 2 through the diplopore, simultaneously through the wheel frame fixed mounting of second mounting hole 22 with the electric motor car, prevent changeing the installation piece 2 through this two accuses and realize being connected the nut 16 locking structure of motor shaft 12 and wheel frame's erection joint and intercommunication motor shaft 12 outer end, the installation intensity of in-wheel motor for the electric motor on the electric motor car has been showing to be consolidated and installation stability has been improved, the possibility that the in-wheel motor takes place the shake after long-time use has been stopped effectively, the life of in-wheel motor for the electric motor car has been improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A mounting integrated structure of a hub motor for an electric vehicle comprises a stator and a motor shaft which are fixedly mounted and connected, and a rotor, a hub, a first side cover and a second side cover which are fixedly mounted and connected, wherein the first side cover and the second side cover can be relatively rotatably mounted at two ends of the motor shaft; the anti-rotation motor is characterized in that two ends of a motor shaft are respectively inserted with a double-hole anti-rotation mounting piece, a first mounting hole of the double-hole anti-rotation mounting piece is inserted on the motor shaft, and a second mounting hole of the double-hole anti-rotation mounting piece is fixedly mounted on a wheel frame of an electric vehicle; and the motor shaft positioned on the outer side of each double-hole anti-rotation mounting piece is locked through a nut.
2. The mounting integrated structure of claim 1, wherein a single-hole hook rotation-preventing piece is inserted into the motor shaft inside each double-hole rotation-preventing mounting piece, and a hook bent outwards is arranged at one end of the single-hole hook rotation-preventing piece and correspondingly matched with the adjacent double-hole rotation-preventing mounting piece in a limiting manner through the hook.
3. The mounting assembly according to claim 1, wherein the first mounting hole and the second mounting hole of the dual-hole anti-rotation mounting plate are both waist-shaped; and the width of the second mounting hole is larger than that of the first mounting hole.
4. The mounting assembly of claim 3 wherein the length of the dual-hole anti-rotation mounting tab ranges from 58-62 mm; the length range of the second mounting hole is 16-17mm, the distance between the first mounting hole and the second mounting hole is 14.5-15.5mm, and the length range of the first mounting hole is 19-21 mm.
5. The mounting assembly as claimed in claim 1 or 4, wherein the dual-hole rotation-preventing mounting plate is eccentrically inserted into the motor shaft through the first mounting hole.
6. The mounting assembly of claim 2 wherein said single hole hook anti-rotation tab is in the shape of a ring.
7. The mounting assembly of claim 6, wherein the single-hole hook anti-rotation piece has an outer diameter ranging from 25 to 27mm, a diameter of the insertion hole ranging from 15.5 to 16.5mm, and a width of the hook ranging from 11.5 to 12.5 mm.
8. The mounting assembly of claim 2 wherein the thickness of the dual-hole anti-rotation mounting tab is greater than the thickness of the single-hole hook anti-rotation tab.
9. The mounting assembly according to claim 2, wherein the hook is correspondingly and limitedly engaged with the outer side of the first mounting hole of the dual-hole anti-rotation mounting plate.
10. The mounting assembly according to claim 1, wherein the first and second side covers are rotatably mounted on both ends of the motor shaft via bearings, respectively, and at least 1 oil seal is disposed between the first and second side covers and the motor shaft, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120671010.3U CN215120428U (en) | 2021-04-01 | 2021-04-01 | Installation integrated structure of hub motor for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120671010.3U CN215120428U (en) | 2021-04-01 | 2021-04-01 | Installation integrated structure of hub motor for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215120428U true CN215120428U (en) | 2021-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120671010.3U Expired - Fee Related CN215120428U (en) | 2021-04-01 | 2021-04-01 | Installation integrated structure of hub motor for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215120428U (en) |
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2021
- 2021-04-01 CN CN202120671010.3U patent/CN215120428U/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 |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |