CN219875283U - Wheel hub motor with dust cover - Google Patents
Wheel hub motor with dust cover Download PDFInfo
- Publication number
- CN219875283U CN219875283U CN202320971948.6U CN202320971948U CN219875283U CN 219875283 U CN219875283 U CN 219875283U CN 202320971948 U CN202320971948 U CN 202320971948U CN 219875283 U CN219875283 U CN 219875283U
- Authority
- CN
- China
- Prior art keywords
- dust
- dust cover
- mounting groove
- wheel hub
- motor shaft
- 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.)
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- 239000000428 dust Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 36
- 238000009434 installation Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 3
- 239000010705 motor oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model relates to a hub motor with a dust cover, which comprises a hub side cover and a motor shaft arranged on the hub side cover, wherein an oil seal mounting groove is formed in the outer surface of the hub side cover, and an oil seal for the motor shaft to pass through is arranged in the oil seal mounting groove. According to the utility model, the annular boss on the dust cover is in clamping fit with the annular clamping groove on the motor shaft, so that the dust cover is mounted on the motor shaft, the mounting convenience is high, and the mounting efficiency of the dust cover is effectively improved in the production and processing stage.
Description
Technical Field
The utility model relates to the technical field of hub motors, in particular to a hub motor with a dust cover.
Background
The electric vehicle hub motor is the power take off part of electric motor car, but because the operational environment of electric motor car is abominable, the motor oil blanket is easily raised dust, the pollution of silt leads to the oil blanket lip wearing and tearing, in order to improve the oil blanket life-span, people can set up the dust cover in order to protect the oil blanket lip outside electric vehicle hub motor oil blanket.
The present chinese patent with publication number CN209448548U discloses an oil seal dustproof structure of electric vehicle hub motor, the dustproof structure includes the dust cover, the motor shaft passes the dust cover and the dust cover links firmly with the axle sleeve mutually, wherein, the mode that dust cover links firmly with the axle sleeve adopts the fixed orifices that sets up a plurality of recess on the terminal surface of axle sleeve outer end, has the fixed projection that a plurality of inwards protrusion set up in the dust cover, the fixed projection is embedded into the fixed orifices, pass fixed projection and penetrate into the bearing through the fastener and make dust cover and axle sleeve link firmly mutually.
In view of the above-mentioned related art, the inventors believe that there is a way in which the dust cover and the sleeve are connected by a fastener, and that there is a certain improvement in that the dust cover is less convenient to install and less efficient to install in the production process.
Disclosure of Invention
In order to improve the convenience of installation, the utility model provides a hub motor with a dust cover.
The utility model provides a hub motor with a dust cover, which adopts the following technical scheme:
the utility model provides a wheel hub motor with dust cover, includes wheel hub limit lid and installs the motor shaft on wheel hub limit lid, the surface of wheel hub limit lid is provided with the oil blanket mounting groove, be provided with in the oil blanket mounting groove and supply the oil blanket that the motor shaft passed, cup joint on the motor shaft and be used for covering the dust cover of oil blanket mounting groove, annular draw-in groove has been seted up on the outer wall of motor shaft, be equipped with on the inner wall of dust cover with annular draw-in groove inlay card complex annular boss.
Optionally, the dust cover includes being annular adapter sleeve and integrated into one piece in the dust ring of adapter sleeve, the adapter sleeve cup joints and installs on the motor shaft, annular boss sets up on the inner wall of adapter sleeve, the dust ring covers on the notch of oil blanket mounting groove.
Optionally, a first movable gap is formed between the dust ring and the notch of the oil seal mounting groove.
Optionally, the lower surface downwardly extending of dust ring has the dust ring, the dust ring has to the dustproof edge that the inner wall direction of oil blanket mounting groove extends, dustproof edge with be formed with the second clearance that moves between the inner wall of oil blanket mounting groove.
Optionally, a third movable gap is formed between the dustproof edge and the oil seal.
Optionally, a cable avoiding groove is formed in the outer wall of the connecting sleeve.
Optionally, the cable avoidance groove is in a U-shaped arrangement.
Optionally, a bearing mounting groove is formed in the inner side of the hub side cover, and the motor shaft is mounted in the bearing mounting groove through a bearing.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. according to the utility model, the annular boss on the dust cover is in clamping fit with the annular clamping groove on the motor shaft, so that the dust cover is mounted on the motor shaft, the mounting convenience is high, and the mounting efficiency of the dust cover is effectively improved in the production and processing stage;
2. the dust cover is arranged on the motor shaft to cover the oil seal mounting groove and is used for resisting large particles or large silt from directly entering the oil seal mounting groove so as to effectively prolong the service life of the oil seal.
Drawings
FIG. 1 is a schematic view of the installation of a dust cap on a hub cap.
Fig. 2 is a sectional view of the in-wheel motor.
Fig. 3 is an enlarged schematic view of the portion a in fig. 2.
Fig. 4 is a first structural schematic view of the dust cap.
Fig. 5 is a second structural schematic view of the dust cap.
Reference numerals illustrate: 1. a hub edging cover; 2. a motor shaft; 3. a bearing mounting groove; 4. a bearing; 5. an oil seal mounting groove; 6. an oil seal; 7. a dust cover; 71. connecting sleeves; 72. a dust ring; 73. a dust-proof ring; 74. a dust-proof edge; 8. an annular clamping groove; 9. an annular boss; 10. a first movable gap; 11. a second movable gap; 12. a third movable gap; 13. the cable dodges the groove.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-5.
The utility model provides a wheel hub motor with dust cover, referring to fig. 1 and 2, including wheel hub limit lid 1 and install the motor shaft 2 on wheel hub limit lid 1, the inboard of wheel hub limit lid 1 is provided with bearing mounting groove 3, and bearing mounting groove 3 is located the central point of wheel hub limit lid 1 put, and motor shaft 2 passes through bearing 4 and installs in bearing mounting groove 3. The surface of wheel hub limit lid 1 is provided with oil blanket mounting groove 5, and oil blanket mounting groove 5 is located the central point of wheel hub limit lid 1 put, and oil blanket mounting groove 5 and bearing mounting groove 3 are located the same axis of wheel hub limit lid 1, and oil blanket mounting groove 5 communicates with each other with bearing mounting groove 3, is provided with the oil blanket 6 that motor shaft 2 passed in the oil blanket mounting groove 5, and motor shaft 2 passes behind the oil blanket 6 in order to stretch out outside wheel hub limit lid 1.
Referring to fig. 2 and 3, a dust cover 7 for covering the oil seal installation groove 5 is sleeved on the motor shaft 2, an annular clamping groove 8 is formed in the outer wall of the motor shaft 2, and an annular boss 9 which is in clamping fit with the annular clamping groove 8 is arranged on the inner wall of the dust cover 7. According to the utility model, the annular boss 9 on the dust cover 7 and the annular clamping groove 8 on the motor shaft 2 form a clamping fit, so that the dust cover 7 is mounted on the motor shaft 2, the mounting convenience is high, and the mounting efficiency of the dust cover 7 is effectively improved in the production and processing stage.
Referring to fig. 4 and 5, the dust cover 7 includes a ring-shaped connection sleeve 71 and a dust ring 72 integrally formed with the connection sleeve 71, the connection sleeve 71 is socket-mounted on the motor shaft 2, the ring-shaped boss 9 is disposed on the inner wall of the connection sleeve 71, and the dust ring 72 covers the notch of the oil seal mounting groove 5.
Referring to fig. 3, a first movable gap 10 is formed between the dust ring 72 and the notch of the oil seal installation groove 5. In one embodiment, the first clearance 10 is set to 1mm.
The lower surface of the dust ring 72 is extended downward with a dust ring 73, the dust ring 73 has a dust edge 74 extended toward the inner wall of the oil seal installation groove 5, and a second movable gap 11 is formed between the dust edge 74 and the inner wall of the oil seal installation groove 5. Wherein a third clearance gap 12 is formed between the dust lip 74 and the oil seal 6, in one embodiment the third clearance gap 12 is 1.5mm.
According to the utility model, the dust ring 72 integrally covers the oil seal mounting groove 5, so that rainwater can be blocked, large particles or large silt can be prevented from directly entering the oil seal mounting groove 5 to be contacted with the oil seal 6 in the oil seal mounting groove, the service life of the oil seal 6 is prolonged, and the arrangement of the first movable gap 10 is convenient for discharging small silt particles or rainwater.
The outer wall of the connecting sleeve 71 is provided with a cable avoiding groove 13, and the cable avoiding groove 13 is arranged in a U shape. When the cable is threaded in the motor shaft 2, the cable avoidance groove 13 can avoid the cable, so that interference is avoided.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a wheel hub motor with dust cover, includes wheel hub limit cover (1) and installs motor shaft (2) on wheel hub limit cover (1), the surface of wheel hub limit cover (1) is provided with oil blanket mounting groove (5), be provided with in oil blanket mounting groove (5) confession oil blanket (6) that motor shaft (2) passed, a serial communication port, cup jointed on motor shaft (2) and be used for covering dust cover (7) of oil blanket mounting groove (5), annular draw-in groove (8) have been seted up on the outer wall of motor shaft (2), be equipped with on the inner wall of dust cover (7) with annular draw-in groove (8) inlay card complex annular boss (9).
2. The hub motor with the dust cover according to claim 1, wherein the dust cover (7) comprises an annular connecting sleeve (71) and a dust ring (72) integrally formed with the connecting sleeve (71), the connecting sleeve (71) is sleeved on the motor shaft (2), the annular boss (9) is arranged on the inner wall of the connecting sleeve (71), and the dust ring (72) is covered on a notch of the oil seal mounting groove (5).
3. A wheel hub motor with dust cover according to claim 2, characterized in that a first clearance gap (10) is formed between the dust ring (72) and the notch of the oil seal mounting groove (5).
4. A wheel hub motor with dust cover according to claim 2, characterized in that the lower surface of the dust ring (72) is extended downward with a dust ring (73), the dust ring (73) has a dust-proof edge (74) extending toward the inner wall of the oil seal mounting groove (5), and a second movable gap (11) is formed between the dust-proof edge (74) and the inner wall of the oil seal mounting groove (5).
5. A wheel hub motor with dust cover according to claim 4, characterized in that a third clearance gap (12) is formed between the dust lip (74) and the oil seal (6).
6. The hub motor with the dust cover according to claim 2, wherein a cable avoidance groove (13) is formed in the outer wall of the connecting sleeve (71).
7. The in-wheel motor with dust cover according to claim 6, wherein the cable avoidance groove (13) is provided in a U shape.
8. A wheel hub motor with dust cover according to claim 1, characterized in that the inner side of the wheel hub side cover (1) is provided with a bearing mounting groove (3), and that the motor shaft (2) is mounted in the bearing mounting groove (3) by means of a bearing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971948.6U CN219875283U (en) | 2023-04-23 | 2023-04-23 | Wheel hub motor with dust cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320971948.6U CN219875283U (en) | 2023-04-23 | 2023-04-23 | Wheel hub motor with dust cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219875283U true CN219875283U (en) | 2023-10-20 |
Family
ID=88334811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320971948.6U Active CN219875283U (en) | 2023-04-23 | 2023-04-23 | Wheel hub motor with dust cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219875283U (en) |
-
2023
- 2023-04-23 CN CN202320971948.6U patent/CN219875283U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |