CN212338131U - Balance oil throwing device of motor - Google Patents
Balance oil throwing device of motor Download PDFInfo
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- CN212338131U CN212338131U CN202022068205.7U CN202022068205U CN212338131U CN 212338131 U CN212338131 U CN 212338131U CN 202022068205 U CN202022068205 U CN 202022068205U CN 212338131 U CN212338131 U CN 212338131U
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Abstract
The utility model relates to a balanced oil device that gets rid of motor, including installing at epaxial initiative input gear of motor and output gear, the meshing has drive gear group between initiative input gear and the output gear, still be provided with balanced gear group between initiative input gear and the output gear, drive gear group with balanced gear group all installs the both sides inside just being located the motor shaft respectively in the motor, balanced gear group including get rid of the oil ship and with output gear engaged with balanced gear, balanced gear with it is fixed to get rid of the oil ship. Compared with the prior art, the utility model discloses an oil groove on the oil throwing wheel is stored and is got rid of the machine oil of coming by drive gear group to get rid of back drive gear group with machine oil when rotatory, make machine oil splash between the gear, machine oil distributes more evenly, and lubricated effect is better, and machine oil can not be in the motor local delay, has promoted the dynamic balance effect when motor operation.
Description
Technical Field
The utility model relates to a balanced oil slinging device of motor belongs to electrical equipment technical field.
Background
The motor operation in-process need add machine oil, and machine oil plays lubricated effect to the gear in the motor for the motor operation is more smooth, and life is longer. In order to save cost, only one group of transmission gear sets which are responsible for transmission is assembled in the existing motor, a balancing weight block is arranged on the other side opposite to the transmission gear sets, and the balancing weight block and the transmission gear sets are equivalent in weight and symmetrical about a motor shaft so as to play a dynamic balance effect. In fact, in the running process of the motor, the transmission gear set rotates and continuously throws the engine oil to the other side, so that the engine oil is locally retained in the motor, the engine oil is not uniformly distributed, the lubricating effect on the gear is not ideal, the service life of the motor is shortened, and the condition of power unbalance is aggravated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the shortcoming of prior art, provide a dynamic balance effect when promoting motor operation to make the balanced oil slinging device of the more even motor of machine oil distribution.
For realizing the purpose the utility model adopts the technical proposal that:
the balanced oil slinging device of the motor comprises an active input gear and an output gear which are installed on a motor shaft, a transmission gear set is meshed between the active input gear and the output gear, a balance gear set is further arranged between the active input gear and the output gear, the transmission gear set and the balance gear set are installed inside the motor and located on two sides of the motor shaft respectively, the balance gear set comprises an oil slinging wheel and balance gears meshed with the output gear, the balance gears are fixed with the oil slinging wheel, and gaps are reserved between the oil slinging wheel and the active input gear.
As a further optimization of the above technical solution: and the oil throwing wheel is provided with a plurality of oil grooves.
As a further optimization of the above technical solution: the oil groove is V-shaped or U-shaped.
As a further optimization of the above technical solution: the transmission gear set comprises a first gear meshed with the driving input gear and a second gear meshed with the output gear, and the first gear and the second gear are fixed.
As a further optimization of the above technical solution: the balance gear set is equal in weight to the driving input gear.
Compared with the prior art, the oil throwing wheel has the advantages that the oil groove on the oil throwing wheel stores the engine oil thrown by the transmission gear set, and the engine oil is thrown back to the transmission gear set during rotation, so that the engine oil splashes between gears, the engine oil is distributed more uniformly, and the lubricating effect is better; in addition, the engine oil is uniformly distributed, and can not be locally retained in the motor, so that the dynamic balance effect of the motor during operation is improved.
Drawings
Fig. 1 is a schematic sectional structure view of an in-wheel motor using the present invention.
Fig. 2 is an explosion structure diagram of the in-wheel motor using the present invention.
Fig. 3 is a schematic structural view of a part of a structure in an in-wheel motor according to the present invention.
Fig. 4 is a schematic perspective view of the second gear of the present invention.
Fig. 5 is a schematic perspective view of a rotor connecting seat in an in-wheel motor according to the present invention.
Fig. 6 is a schematic perspective view of the driving input gear of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description. As shown in fig. 1-6, the in-wheel motor of the present invention is used, which comprises a driving device, the driving device is connected with an active input gear 4, and the active input gear 4 is connected with a torque increasing assembly 1 for increasing the torque of the motor. The moment-increasing assembly 1 comprises a transmission gear set 2 and an output gear 3 which are arranged inside a motor, and the transmission gear set 2 is of a concentric wheel structure.
In the above technical scheme: the drive gear set 2 includes a first gear 21 meshed with the driving input gear 4 and a second gear 22 meshed with the output gear 3. As shown in fig. 1 and 4, one end of the second gear 22 is provided with a protruding first gear rotating shaft 221, the other end of the second gear 22 is provided with a connecting column 222, the middle of the first gear 21 is provided with a connecting hole, the connecting column 222 penetrates through the connecting hole and is fixed with the first gear 21, and the fixing is realized by interference fit of the connecting column 222 and the connecting hole. The end of the connecting column 222 remote from the second gear 22 is formed with a protruding second gear wheel rotating shaft 223. As shown in fig. 1 and 3, the first gear rotating shaft 221 and the second gear rotating shaft 223 are respectively provided with a first bearing 23 and a second bearing 24.
In the above technical scheme: as shown in fig. 1 and 3, the middle part of the output gear 3 is provided with a fixing hole, a gear fixing seat 20 is installed in the fixing hole, one end of the gear fixing seat 20 is exposed out of the output gear 3, a third gear rotating shaft is arranged on the output gear 3, and a fourth bearing 10 is sleeved on the third gear rotating shaft.
In the above technical scheme: as shown in fig. 1 and 2, the driving device includes a rotor assembly 8 and a stator coil assembly 15 sleeved on the rotor assembly 8, and the rotor assembly 8 is connected with the driving input gear 4. A fifth bearing 19 is further arranged in the rotor assembly 8, a stator fixing block 17 is further arranged at the right end of the fifth bearing 19, and a sixth bearing 18 is further arranged at the right end of the stator fixing block 17.
In the above technical scheme: the rotor assembly 8 is connected with the driving input gear 4 through a rotor connecting seat 6. As shown in fig. 5, the rotor connecting seat 6 is formed therein with an internal spline 61 engaged with the driving input gear 4.
In the above technical scheme: as shown in fig. 1 and 6, the driving input gear 4 includes an input rotation gear 41 engaged with the first gear 21, and an input spline 42 engaged with an internal spline 61 in the rotor connecting seat 6, and a connecting portion 43 is provided between the input rotation gear 41 and the input spline 42. As shown in fig. 1 and 3, the third bearing 7 is inserted into the connecting portion 43.
In the above technical scheme: as shown in fig. 1, the drive means, the drive input gear 4, is mounted on a motor shaft 5. The motor shaft 5 is provided with a flat key groove 52, the gear fixing seat 20 is correspondingly provided with a flat key, the flat key is positioned in the flat key groove 52, and the cooperation of the flat key 52 and the flat key groove enables the gear fixing seat 20 and the input gear 3 to be fixed on the motor shaft 5 and not to rotate relative to the motor shaft 5. The motor shaft 5 is rotatably connected with the driving input gear 4. The motor shaft 5 is further provided with a limiting ring 51 for limiting the installation position of the rotor assembly 8.
In the above technical scheme: as shown in fig. 1 and 2, a motor left cover 12, a middle yoke plate 16, a stator fixing end cover 14 and a motor right cover 13 are sequentially sleeved on the motor shaft 5 from left to right. The motor left cover 12 and the motor right cover 13 are respectively connected with two sides of the hub 11. The motor shaft 5 cooperates with the third bearing 7, the fourth bearing 10, the fifth bearing 19 and the sixth bearing 18 so that the middle yoke plate 16, the left motor cover 12 and the right motor cover 13 are rotatable relative to the motor shaft 5. The stator coil assembly 15 is fixed on the stator fixing end cover 14, the stator fixing end cover 14 is fixed with the stator fixing block 17, the stator fixing block 17 is fixed with the motor shaft 5, and the stator fixing block 17 is fixed with the motor shaft 5 in an interference fit mode. The middle yoke plate 16 is fixed with the motor left cover 12, and the first bearing 23 and the second bearing 24 are respectively fixed with the motor left cover 12 and the middle yoke plate 16.
In the above technical scheme: as shown in fig. 1 and 3, the device further comprises a balance gear set 9, the balance gear set 9 and the transmission gear set 2 are symmetrical with respect to the motor shaft 5, and the balance gear set 9 comprises a tanker 91 and a balance gear 92 engaged with the output gear 3. The balance gear 92 is fixed to the oil slinger 91. The oil slinger 91 is provided with a plurality of oil grooves 911, in the embodiment, the oil grooves 911 are V-shaped, and the oil grooves 911 can be in other shapes, such as U-shaped. Eight oil tanks 911 are provided in this embodiment. A gap is left between the oil slinger 91 and the driving input gear 4. The weight of the balance gear set 9 is the same as or similar to that of the transmission gear set 2, so that dynamic balance in the operation process is realized. In the present embodiment, the structure of the balance gear 92 is the same as that of the second gear 22. A seventh bearing 93 and an eighth bearing 94 are arranged on two sides of the balance gear set 9, and the seventh bearing 93 and the eighth bearing 94 are respectively fixed with the motor left cover 12 and the middle connecting plate 16. The gear needs engine oil lubrication when in operation, the engine oil is thrown between the motor left cover 12 and the middle connecting plate 16 when the driving input gear 4 drives the transmission gear set 2 to rotate, the oil throwing wheel 91 is provided with an oil groove 911, the engine oil is thrown into the oil groove 911, the engine oil is thrown to the oil throwing wheel 91 when the first gear 21 rotates, and the oil groove 911 of the oil throwing wheel 91 stores the engine oil which is thrown back to the first gear 21 when rotating, so that the engine oil is splashed between the gears, the engine oil is more uniformly distributed, and the lubrication effect is better; in addition, the engine oil is uniformly distributed and cannot be retained on one side of the balance gear set 9, and the dynamic balance effect is better realized.
The utility model discloses an operating process is as follows, and drive arrangement drives initiative input gear 4 round 5 rotations of motor shaft, and then initiative input gear 4 drives first gear 21 rotatory, and second gear 22 rotates with first gear 21 is synchronous. Since the output gear 3 is positioned by the motor shaft 5 so as not to rotate, and the second gear 22 meshes with the output gear 3, the output gear 3 plays the role of a rack in a planetary gear. The second gear 22 revolves around the output gear 3 while rotating, the second gear 22 revolves to drive the first gear 21 to revolve around the driving input gear 4, and the revolution of the transmission gear set 2 drives the motor left cover 12, the middle yoke plate 16, the hub 11 and the motor right cover 13 to rotate around the motor shaft 5. The diameter of the first gear 21 is larger than that of the second gear 22, and the high-speed small-torque rotation of the driving input gear 4 is converted into the low-speed large-torque revolution of the transmission gear set 2, so that the electric vehicle can be started quickly.
During the rotation of the motor left cover 12 and the intermediate plate 16 around the motor shaft 5, the balance gear 92 and the oil slinger 91 are also driven to revolve around the motor shaft 5. Since the balance gear 92 is meshed with the output gear 3, the balance gear 92 is rotated by the output gear 3 while revolving, and the balance gear 92 drives the tanker 91 to rotate. Lubricating oil is added between the gears during operation, and the oil is thrown between the motor left cover 12 and the middle connecting plate 16 when the driving input gear 4 drives the transmission gear set 2 to rotate, and because the oil throwing wheel 91 is provided with the oil groove 911, the oil is thrown into the oil groove 911, the first gear 21 is thrown to the oil throwing wheel 91 when rotating, and the oil groove 911 of the oil throwing wheel 91 stores the oil and throws the oil back to the first gear 21 when rotating.
The above-described balance gear group 9 is also applicable to other in-wheel motors than the above-described embodiment.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, all should fall into the protection scope of the utility model, the technical scheme that the design of this technical field technical personnel according to the utility model can be obtained through logic analysis, reasoning or limited experiment on prior art's basis, all should fall into.
Claims (5)
1. The balanced oil slinging device of the motor comprises an active input gear (4) and an output gear (3) which are mounted on a motor shaft (5), wherein a transmission gear set (2) is meshed between the active input gear (4) and the output gear (3), the balanced oil slinging device is characterized in that a balance gear set (9) is further arranged between the active input gear (4) and the output gear (3), the transmission gear set (2) and the balance gear set (9) are mounted inside the motor and are respectively located on two sides of the motor shaft (5), the balance gear set (9) comprises an oil slinging wheel (91) and a balance gear (92) meshed with the output gear (3), the balance gear (92) is fixed with the oil slinging wheel (91), and a gap is reserved between the oil slinging wheel (91) and the active input gear (4).
2. The balanced oil slinger of motor as claimed in claim 1 characterized in that said oil slinger (91) is formed with a plurality of oil grooves (911).
3. The balanced oil slinger of an electric motor as claimed in claim 2 wherein said oil groove (911) is V-shaped or U-shaped.
4. The balanced oil slinger of an electric motor of claim 1 wherein said drive gear set (2) comprises a first gear (21) meshing with said drive input gear (4) and a second gear (22) meshing with said output gear (3), said first gear (21) and said second gear (22) being fixed.
5. Balanced oil slinger for electric machines according to claim 1 characterised in that the weight of the balance gear set (9) is equal to the weight of the driving input gear (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068205.7U CN212338131U (en) | 2020-09-19 | 2020-09-19 | Balance oil throwing device of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022068205.7U CN212338131U (en) | 2020-09-19 | 2020-09-19 | Balance oil throwing device of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212338131U true CN212338131U (en) | 2021-01-12 |
Family
ID=74072104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022068205.7U Active CN212338131U (en) | 2020-09-19 | 2020-09-19 | Balance oil throwing device of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212338131U (en) |
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2020
- 2020-09-19 CN CN202022068205.7U patent/CN212338131U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Jinyuxing Electromechanical Technology (Zhejiang) Co.,Ltd. Assignor: TAIZHOU JINYU ELECTROMECHANICAL Co.,Ltd. Contract record no.: X2023330000583 Denomination of utility model: Balancing oil throwing device of the motor Granted publication date: 20210112 License type: Common License Record date: 20230908 |
|
| EE01 | Entry into force of recordation of patent licensing contract |