CN114050669A - Integrated gear shifting hub of external rotor motor - Google Patents
Integrated gear shifting hub of external rotor motor Download PDFInfo
- Publication number
- CN114050669A CN114050669A CN202111212518.8A CN202111212518A CN114050669A CN 114050669 A CN114050669 A CN 114050669A CN 202111212518 A CN202111212518 A CN 202111212518A CN 114050669 A CN114050669 A CN 114050669A
- Authority
- CN
- China
- Prior art keywords
- stator
- outer rotor
- gear shifting
- rotor
- hub
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 14
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 4
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 4
- 238000000034 method Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
- H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an integrated gear shifting hub of an outer rotor motor, which comprises an outer rotor and a stator arranged in the outer rotor; the stator is arranged in the axial through hole of the outer rotor, and a gap is reserved between the stator and the outer rotor; the stator comprises a stator core and a stator winding, and the stator winding is arranged around the stator core; the outer rotor comprises a rotor yoke and magnetic steel; the magnetic steel is arranged on the inner wall of the through hole of the rotor yoke; the outer rotor is fixedly connected with the gear shifting hub at two axial ends, the intermediate shaft penetrates through the axial through holes of the outer rotor and the stator and then penetrates out of the axial through hole of the gear shifting hub, and a bearing is sleeved between the intermediate shaft and the axial through hole of the gear shifting hub; the stator is fixedly connected with the middle shaft, and a gap is reserved between the stator and the magnetic steel; thereby shift through rotor motor direct drive both sides hub of shifting drive shift fork motion realization and shift to replace the driving motor among the prior art and the mode of shifting that shift motor and gearbox combined together, effectively reduce inside occupation space, improve the efficiency of shifting.
Description
Technical Field
The invention relates to the field of transmissions, in particular to an integrated gear shifting hub of an outer rotor motor.
Background
In the field of gear shifting transmissions in the prior art (for example, CN 108494125A), a mode that a driving motor is combined with a transmission case is often adopted, and in some use occasions, a gear shifting motor needs to be separately arranged for ensuring that gear shifting is not interrupted, so that the driving motor, the gear shifting motor and the transmission case are combined, a large amount of occupied arrangement space is occupied, a multi-gear transmission process is involved, torque transmission loss is high, and gear shifting efficiency is low.
Disclosure of Invention
In order to solve the defects and shortcomings in the prior art, the invention provides an integrated gear shifting hub of an outer rotor motor.
The technical scheme provided by the invention is as follows: an outer rotor electric machine integrated gear shift hub comprises an outer rotor (1) and a stator (2) arranged in the outer rotor; the stator (2) is arranged in the axial through hole of the outer rotor (1), and a gap is reserved between the stator (2) and the outer rotor (1);
the stator (2) comprises a stator core (2-1) and a stator winding (2-2), and the stator winding (2-2) is arranged around the stator core (2-1);
the outer rotor (1) comprises a rotor yoke (1-1) and magnetic steel (1-2); the magnetic steel (1-2) is arranged on the inner wall of the through hole of the rotor yoke (1-1);
the gear shifting hub (4) is fixedly connected to two axial ends of the outer rotor (1), and the intermediate shaft (3) penetrates through axial through holes of the outer rotor (1) and the stator (2) and then penetrates out of the axial through hole of the gear shifting hub (4);
the stator (2) is fixedly connected with the intermediate shaft (3) and a gap is reserved between the stator (2) and the magnetic steel (1-2).
Furthermore, a sleeve (3-1) is sleeved in the middle of the intermediate shaft (3), and the stator (2) is fixedly connected with the sleeve (3-1) through a support (2-3) extending inwards from the inner wall of the stator in the radial direction.
Furthermore, the magnetic steel (1-2) is in a block shape, and a plurality of magnetic steels are integrally adhered to the inner wall of the through hole of the rotor yoke (1-1).
Furthermore, neodymium iron boron magnetic steel is selected as the magnetic steel (1-2).
Further, the stator winding (2-2) is connected with an external controller, and the current flowing through the stator winding (2-2) is controlled by the external controller, so that the rotation speed and the rotation angle of the motor are controlled.
Furthermore, a gear shifting fork is mounted on the gear shifting hub (4).
Compared with the prior art, the invention has the following beneficial effects:
the invention provides an outer rotor motor integrated gear shifting hub, which directly drives gear shifting hubs at two sides to drive a shifting fork to move through a motor outer rotor so as to realize gear shifting, so that a gear shifting mode of combining a driving motor and a gear shifting motor with a gearbox in the prior art is replaced, the internal occupied space is effectively reduced, and the gear shifting efficiency is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.
Fig. 1 shows a specific embodiment of an external rotor electric machine integrated gear shift hub provided by the present invention, where the gear shift hub includes an external rotor 1 and a stator 2 disposed inside the external rotor; the stator 2 is arranged in the axial through hole of the outer rotor 1, and a gap is reserved between the stator and the outer rotor, so that a component capable of generating a magnetic field can be conveniently installed in the gap.
The stator comprises a stator core 2-1 and a stator winding 2-2, and the stator winding 2-2 is arranged around the stator core 2-1; the outer rotor 1 comprises a rotor yoke 1-1 and magnetic steel 1-2; the magnetic steel 1-2 is arranged on the inner wall of the through hole of the rotor yoke 1-1; the stator 2 is fixedly connected with the intermediate shaft, and a gap is reserved between the stator 2 and the magnetic steel 1-2; specifically, the magnetic steel 1-2 is in a block shape, a plurality of magnetic steels are integrally adhered to the inner wall of the through hole of the rotor yoke 1-1, and the multi-block magnetic steel structure can ensure uniform magnetic field distribution and is convenient for later-stage loading and unloading and maintenance; specifically, magnet steel 1-2 chooses neodymium iron boron magnetic steel for use to further guarantee that the magnet steel has high magnetic energy volume and rectifies the power, and neodymium iron boron magnetic steel still has high energy density and higher price/performance ratio simultaneously, and has good mechanical properties.
In particular, as an alternative preferred embodiment, the middle part of the intermediate shaft 3 is sleeved with a sleeve 3-1, and the stator 2 is fixedly connected with the sleeve 3-1 through a bracket 2-3 extending radially inwards from the inner wall of the stator, so that on one hand, the mounting structure and the position of the stator 2 are ensured to be stable, and on the other hand, the supporting strength of the intermediate shaft 3 is also ensured to be balanced and stable.
The outer rotor gear shifting device is characterized in that two axial ends of the outer rotor 1 are fixedly connected with gear shifting hubs 4, the intermediate shaft 3 penetrates through axial through holes of the outer rotor 1 and the stator 2 and then penetrates out of the axial through holes of the gear shifting hubs 4, and a bearing 5 is sleeved between the intermediate shaft 3 and the axial through holes of the gear shifting hubs 4. When rotating, the outer rotor 1 can drive a gear shifting hub 4 fixedly connected with the outer rotor to synchronously rotate around the intermediate shaft 3 through a bearing 5. In this embodiment, still install the shift fork of shifting on the hub 4 of shifting, hub 4 of shifting drives the motion of shift fork of shifting, and then realizes the operation of shifting gears.
Specifically, the stator winding 2-2 is preferably connected to an external controller, and the external controller controls the current flowing through the stator winding 2-2, thereby controlling the rotation speed and the rotation angle of the motor.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (6)
1. An outer rotor electric machine integrated gear shift hub comprises an outer rotor (1) and a stator (2) arranged in the outer rotor; the stator (2) is arranged in the axial through hole of the outer rotor (1), and a gap is reserved between the stator (2) and the outer rotor (1);
the stator (2) comprises a stator core (2-1) and a stator winding (2-2), and the stator winding (2-2) is arranged around the stator core (2-1);
the outer rotor (1) comprises a rotor yoke (1-1) and magnetic steel (1-2); the magnetic steel (1-2) is arranged on the inner wall of the through hole of the rotor yoke (1-1);
the method is characterized in that: the gear shifting hub (4) is fixedly connected to two axial ends of the outer rotor (1), and the intermediate shaft (3) penetrates through axial through holes of the outer rotor (1) and the stator (2) and then penetrates out of the axial through hole of the gear shifting hub (4);
the stator (2) is fixedly connected with the intermediate shaft (3) and a gap is reserved between the stator (2) and the magnetic steel (1-2).
2. An external rotor electric machine integrated shift hub as recited in claim 1, wherein: the middle part of the middle shaft (3) is sleeved with a sleeve (3-1), and the stator (2) is fixedly connected with the sleeve (3-1) through a support (2-3) extending inwards in the radial direction from the inner wall of the stator.
3. An external rotor electric machine integrated shift hub according to claim 1 or 2, wherein: the magnetic steel (1-2) is in a block shape, and a plurality of magnetic steels are integrally adhered to the inner wall of the through hole of the rotor yoke (1-1).
4. An external rotor electric machine integrated shift hub as claimed in claim 3, wherein: the magnetic steel (1-2) is neodymium iron boron magnetic steel.
5. An external rotor electric machine integrated shift hub according to claim 1 or 2, wherein: the stator winding (2-2) is connected with an external controller, and the external controller controls the current flowing through the stator winding (2-2), so that the rotation speed and the rotation angle of the motor are controlled.
6. An external rotor electric machine integrated shift hub according to claim 1 or 2, wherein: and a gear shifting fork is arranged on the gear shifting hub (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212518.8A CN114050669A (en) | 2021-10-19 | 2021-10-19 | Integrated gear shifting hub of external rotor motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111212518.8A CN114050669A (en) | 2021-10-19 | 2021-10-19 | Integrated gear shifting hub of external rotor motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114050669A true CN114050669A (en) | 2022-02-15 |
Family
ID=80205536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111212518.8A Pending CN114050669A (en) | 2021-10-19 | 2021-10-19 | Integrated gear shifting hub of external rotor motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114050669A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020062706A1 (en) * | 2000-10-17 | 2002-05-30 | Detlef Baasch | Shifting device for a transmission |
| US20070163372A1 (en) * | 2004-01-29 | 2007-07-19 | Magna Drivetrain Ag & Co Kg | Transmission comprising a displaceable shift fork and an actuator |
| CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
| CN107379965A (en) * | 2017-08-21 | 2017-11-24 | 中能绿驰成都汽车科技有限公司 | A kind of 2AMT power drive systems of integrated form |
| WO2019141442A1 (en) * | 2018-01-22 | 2019-07-25 | Magna Powertrain Bad Homburg GmbH | Transmission module |
-
2021
- 2021-10-19 CN CN202111212518.8A patent/CN114050669A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020062706A1 (en) * | 2000-10-17 | 2002-05-30 | Detlef Baasch | Shifting device for a transmission |
| US20070163372A1 (en) * | 2004-01-29 | 2007-07-19 | Magna Drivetrain Ag & Co Kg | Transmission comprising a displaceable shift fork and an actuator |
| CN104373589A (en) * | 2014-11-19 | 2015-02-25 | 无锡金田元丰科技股份有限公司 | Integrated gear shifting mechanism of automatic gearbox |
| CN107379965A (en) * | 2017-08-21 | 2017-11-24 | 中能绿驰成都汽车科技有限公司 | A kind of 2AMT power drive systems of integrated form |
| WO2019141442A1 (en) * | 2018-01-22 | 2019-07-25 | Magna Powertrain Bad Homburg GmbH | Transmission module |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220215 |