CN216564877U - High-torque low-rotation-speed self-braking brushless hub motor structure - Google Patents
High-torque low-rotation-speed self-braking brushless hub motor structure Download PDFInfo
- Publication number
- CN216564877U CN216564877U CN202123336685.1U CN202123336685U CN216564877U CN 216564877 U CN216564877 U CN 216564877U CN 202123336685 U CN202123336685 U CN 202123336685U CN 216564877 U CN216564877 U CN 216564877U
- Authority
- CN
- China
- Prior art keywords
- hub
- rotor
- cover
- fixedly connected
- wheel
- 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.)
- Active
Links
Images
Landscapes
- Retarders (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model provides a brushless in-wheel motor structure of high moment of torsion low-speed self-braking, includes wheel hub, wheel hub's inside is equipped with the rotor, and the inside of rotor is equipped with the stator, and the rotor is close to fixedly connected with magnet steel on the inner wall of stator, fixedly connected with line blocking plate on the surface of stator, and one side of wheel hub is equipped with the main shaft, and wheel hub is run through to the one end of main shaft, and one side that wheel hub kept away from the main shaft is equipped with the motor line, and the motor line is connected with the main shaft, and beneficial effect is: this structure is except that motor structure and planetary gear structure parallel design, has still designed clutch and electromagnetic clutch into wheel hub box the inside for this structure can reach the braking wheel by electromagnetic clutch automatic locking planet wheel outer lane when obtaining parking signal, simultaneously because mainly with bearing capacity dispersion on outer ring gear, allows to use ladle nylon gear as the planet wheel. The gear lubrication maintenance is simpler, a large amount of solid grease or even liquid oil is not needed, and the oil leakage risk is reduced.
Description
Technical Field
The utility model relates to the technical field of self-braking brushless hub motors with high torque and low rotating speed.
Background
At present, two driving devices used for vehicles in the cleaning industry are provided, wherein one driving device is an independent brush/brushless motor which is connected with an independent rear axle differential gear box to form a set of differential motor system, and the other driving device is a brush two-stage reduction gear driving motor which is formed by combining a brush motor and an eccentric gear transmission structure.
However, the first driving device at present has the defects of difficult assembly caused by large volume and complex structure, small torque, large power consumption and difficult assembly of an inner rotor motor and the problem that the bearing capacity of a rear axle differential bevel gear structure cannot meet the requirement of frequent tooth explosion, while the second driving device has the defects of large volume, large mass and difficult installation, is applied to a brush motor at present, and has short service life, large power consumption and small motor torque; the internal structure is complicated, which results in high cost; the sealing property is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-torque low-rotation-speed self-braking brushless hub motor structure to solve the problems in the background technology.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a high-torque low-rotation-speed self-braking brushless hub motor structure, comprising: wheel hub, wheel hub's inside is equipped with the rotor, the inside of rotor is equipped with the stator, fixedly connected with magnet steel on the inner wall that the rotor is close to the stator, fixedly connected with wire blocking plate on the surface of stator, one side of wheel hub is equipped with the main shaft, wheel hub is run through to the one end of main shaft, one side that the main shaft was kept away from to wheel hub is equipped with the motor line, the motor line is connected with the main shaft.
Preferably, one end of the rotor close to the motor line is fixedly connected with an upper rotor cover, and one end of the rotor far away from the upper rotor cover is fixedly connected with a lower rotor cover.
Preferably, stator one end fixedly connected with upper end cover is kept away from to the rotor upper cover, the fixed connection wheel hub upper cover on the surface of upper end cover, can dismantle between wheel hub upper cover and the wheel hub and be connected, the one end fixedly connected with sun gear of stator is kept away from to the rotor lower cover, sun gear and main shaft fixed connection, the one end that the stator was kept away from to the sun gear is connected with the clutch, the one end that the sun gear was kept away from to the clutch is connected with the lower end cover, the fixed connection wheel hub lower cover on the surface of lower end cover, can dismantle between wheel hub lower cover and the wheel hub and be connected.
Preferably, the hub upper cover is cut away from a lateral wall of hub and is equipped with the recess, and installs the side cover oil blanket in the recess, the hub lower cover is cut away from a lateral wall of hub and is equipped with the recess, and installs the dish in the recess and stop the end oil blanket.
Preferably, the bottom of the sun gear is rotatably connected with a planet wheel bearing, a planet gear is fixedly connected to the planet wheel bearing, an inner gear ring is arranged on one side, away from the sun gear, of the planet wheel bearing, the inner gear ring is fixedly connected to the inner wall of the hub, and the inner gear ring is in meshed connection with the planet gear.
The utility model has the following advantages:
the structure is characterized in that besides the parallel design of the motor structure and the planetary gear structure, a clutch and an electromagnetic clutch are designed into a hub box body, so that the electromagnetic clutch can automatically lock the outer ring of a planetary gear to brake the wheel when a parking signal is obtained, the size can be reduced by at least 1/4, and the weight is reduced by 1/3; the installation is simple, and the transport is convenient, and the power can be 600-: 25A, limit output torque reaches 60NM, maximum torque 100NM, under the same style motor, rated current reaches 30-40A, and this scheme has the effect of power saving in comparison, and this design is because mainly with bearing capacity dispersion on outer ring gear, allows to use ladle nylon gear as the planet wheel. The gear lubrication maintenance is simpler, a large amount of solid grease or even liquid oil is not needed, and the oil leakage risk is reduced.
Drawings
Fig. 1 is a front view of a high torque low speed self-braking brushless hub motor structure according to a preferred embodiment of the present invention.
Description of reference numerals:
1. a hub; 2. a main shaft; 3. a motor wire; 4. a wire blocking plate; 5. a rotor; 6. magnetic steel; 7. a rotor upper cover; 8. a rotor lower cover; 9. a sun gear; 10. a clutch; 11. a planetary gear; 12. a planet wheel bearing; 13. a stator; 14. an inner gear ring; 15. an upper end cover; 16. a lower end cover; 17. a disc brake end oil seal; 18. an edge cover oil seal; 19. an upper hub cover; 20. and a hub lower cover.
Detailed Description
The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model will be further explained with reference to the drawings.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a brushless in-wheel motor structure of high moment of torsion low rotational speed self-actuating, including wheel hub 1, wheel hub 1's inside is equipped with rotor 5, rotor 5's inside is equipped with stator 13, fixedly connected with magnet steel 6 on rotor 5 is close to stator 13's the inner wall, fixedly connected with fender line board 4 on stator 13's the surface, one side of wheel hub 1 is equipped with main shaft 2, wheel hub 1 is run through to main shaft 2's one end, one side that main shaft 2 was kept away from to wheel hub 1 is equipped with motor line 3, motor line 3 is connected with main shaft 2, the wheel hub surface is rubber coating technology, present market use scheme rubber coating wheel must whole change after damaging. This design allows only one outer hub to be replaced and the internal components need not be replaced.
One end of the rotor 5 close to the motor wire 3 is fixedly connected with a rotor upper cover 7, and one end of the rotor 5 far away from the rotor upper cover 7 is fixedly connected with a rotor lower cover 8.
The bottom of the sun gear 9 is rotatably connected with a planet wheel bearing 12, a planet gear 11 is fixedly connected to the planet wheel bearing 12, an inner gear ring 14 is arranged on one side, away from the sun gear 9, of the planet wheel bearing 12, the inner gear ring 14 is fixedly connected to the inner wall of the wheel hub 1, and the inner gear ring 14 is in meshed connection with the planet gear 11.
A groove is formed in one side wall, away from the hub 1, of the upper hub cover 19, an edge cover oil seal 18 is installed in the groove, a groove is formed in one side wall, away from the hub 1, of the lower hub cover 20, and a disc brake end oil seal 17 is installed in the groove.
The working principle is as follows: the stator 13 and the rotor 5 winding rotor group form a basic electromagnetic induction power output assembly, but different from the operation mode of an inner rotor of a common motor, the electromagnetic induction power assembly is that the outer rotor operates when in work, the design greatly increases the magnetic flux acting area, so that the unit volume of the electromagnetic induction power is greatly increased, the output torque is increased and is 3-4 times of the electromagnetic induction output torque of a common inner rotor, meanwhile, as the outer iron ring of the rotor 5 winding rotor and 3 planetary gears 11 are fixed together to form a rotating planetary gear mechanism, when the rotor 5 rotates, the mechanism forms an output planetary gear system, the sun gear 9 is meshed with the 3 planetary gears 11, the purpose of speed reduction and torque increase is formed, the sun gear 9 is fixed with the main shaft 2, so that the planetary gears 11 react with an inner gear ring 14 and an inner gear ring 14 when the main shaft is fixed, thereby driving the whole wheel to rotate, and the working principle of the whole gear transmission is adopted.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Other parts of the utility model not described in detail are prior art and are not described in detail herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a brushless in-wheel motor structure of high moment of torsion low rotational speed self-braking which characterized in that includes: wheel hub (1), the inside of wheel hub (1) is equipped with rotor (5), the inside of rotor (5) is equipped with stator (13), fixedly connected with magnet steel (6) on the inner wall that rotor (5) are close to stator (13), fixedly connected with fender board (4) on the surface of stator (13), one side of wheel hub (1) is equipped with main shaft (2), wheel hub (1) is run through to the one end of main shaft (2), one side that main shaft (2) were kept away from in wheel hub (1) is equipped with motor line (3), motor line (3) are connected with main shaft (2).
2. A high-torque low-speed self-braking brushless hub motor structure as claimed in claim 1, wherein an upper rotor cover (7) is fixedly connected to one end of the rotor (5) close to the motor wire (3), and a lower rotor cover (8) is fixedly connected to one end of the rotor (5) far away from the upper rotor cover (7).
3. A high torque low speed self braking brushless hub motor structure as claimed in claim 2, it is characterized in that one end of the rotor upper cover (7) far away from the stator (13) is fixedly connected with an upper end cover (15), the surface of the upper end cover (15) is fixedly connected with a hub upper cover (19), the hub upper cover (19) is detachably connected with the hub (1), one end of the rotor lower cover (8) far away from the stator (13) is fixedly connected with a sun wheel (9), the sun gear (9) is fixedly connected with the main shaft (2), one end of the sun gear (9) far away from the stator (13) is connected with a clutch (10), one end of the clutch (10) far away from the sun gear (9) is connected with a lower end cover (16), the hub lower cover is characterized in that a hub lower cover (20) is fixedly connected to the surface of the lower end cover (16), and the hub lower cover (20) is detachably connected with the hub (1).
4. A high-torque low-speed self-braking brushless hub motor structure as claimed in claim 3, wherein a side wall of the hub upper cover (19) far away from the hub (1) is provided with a groove, and a side cover oil seal (18) is installed in the groove, a side wall of the hub lower cover (20) far away from the hub (1) is provided with a groove, and a disc brake end oil seal (17) is installed in the groove.
5. A high-torque low-speed self-braking brushless hub motor structure as claimed in claim 3, wherein a planetary wheel bearing (12) is rotatably connected to the bottom of the sun gear (9), a planetary gear (11) is fixedly connected to the planetary wheel bearing (12), an inner gear ring (14) is arranged on one side of the planetary wheel bearing (12) far away from the sun gear (9), the inner gear ring (14) is fixedly connected to the inner wall of the hub (1), and the inner gear ring (14) is in meshed connection with the planetary gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336685.1U CN216564877U (en) | 2021-12-28 | 2021-12-28 | High-torque low-rotation-speed self-braking brushless hub motor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123336685.1U CN216564877U (en) | 2021-12-28 | 2021-12-28 | High-torque low-rotation-speed self-braking brushless hub motor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216564877U true CN216564877U (en) | 2022-05-17 |
Family
ID=81557725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123336685.1U Active CN216564877U (en) | 2021-12-28 | 2021-12-28 | High-torque low-rotation-speed self-braking brushless hub motor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216564877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260279A (en) * | 2023-02-22 | 2023-06-13 | 东莞市懋胜电子实业有限公司 | Energy-saving three-phase brushless DC motor |
-
2021
- 2021-12-28 CN CN202123336685.1U patent/CN216564877U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116260279A (en) * | 2023-02-22 | 2023-06-13 | 东莞市懋胜电子实业有限公司 | Energy-saving three-phase brushless DC motor |
| CN116260279B (en) * | 2023-02-22 | 2023-10-31 | 东莞市懋胜电子实业有限公司 | Energy-saving three-phase brushless DC motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106740043B (en) | Power assembly device for range-extending type electric vehicle | |
| CN108340768A (en) | A kind of electronic wheel assembly of integrated wheel hub motor | |
| CN216564877U (en) | High-torque low-rotation-speed self-braking brushless hub motor structure | |
| CN203078306U (en) | Rear axle drive reduction gear of electric car | |
| CN107763194B (en) | Working method of automobile speed reducer with efficient lubrication system | |
| CN204610630U (en) | A kind of hydrodynamic retarding device | |
| CN210881654U (en) | Electric drive power assembly | |
| CN201490832U (en) | Differential mechanism assembly of brushless motor of electric vehicle | |
| CN209037379U (en) | A kind of wheel motor drive device | |
| CN201869070U (en) | Built-in hub motor for electric goods and passenger vehicles | |
| CN101267145A (en) | Speed differentiator electrode | |
| CN217994709U (en) | Inner rotor hub motor and electric two-wheel vehicle using same | |
| CN107166002A (en) | A kind of main deceleration case of pure electric automobile single-stage | |
| CN206958193U (en) | A kind of main deceleration case of pure electric automobile single-stage | |
| CN210629243U (en) | Forklift traction motor | |
| CN211352013U (en) | Electric eddy speed damper | |
| CN210623525U (en) | Drive axle for commercial vehicles | |
| CN202167938U (en) | Half-shaft brushless motor for electric car | |
| CN201357922Y (en) | Transmission gear-box body of electric motor car | |
| CN201191795Y (en) | Differential mechanism electric motor | |
| CN208862680U (en) | A kind of large transmission ratio Electric Motor Wheel based on outer rotor switch magnetic-resistance hub motor | |
| CN2807587Y (en) | Double-layer shell electric vehicle wheel hub motor with free wheel clutch | |
| CN218041006U (en) | Electric bicycle hub motor based on oil lubrication | |
| CN210799947U (en) | High built-in friction formula automotive differential of security | |
| CN210852022U (en) | Electric drive assembly and front-drive, rear-drive and four-drive electric vehicle comprising same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |