CN220883926U - Electric vehicle hub - Google Patents
Electric vehicle hub Download PDFInfo
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- CN220883926U CN220883926U CN202322864379.8U CN202322864379U CN220883926U CN 220883926 U CN220883926 U CN 220883926U CN 202322864379 U CN202322864379 U CN 202322864379U CN 220883926 U CN220883926 U CN 220883926U
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- 239000007787 solid Substances 0.000 claims description 20
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 abstract description 9
- 239000010959 steel Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The application relates to an electric vehicle hub which comprises a hub body, a hub cover and end covers, wherein the hub cover and the end covers are connected to two sides of the axis of the hub body, the hub cover comprises a cover body and a fixing ring, and the fixing ring is coaxially welded and fixed on the end face of the cover body. The cover body and the fixing ring are arranged, the thickness of the fixing ring fixed with the magnetic steel is the same as that of the cover body, so that the gravity of the electric vehicle hub is not easy to increase, the light-weight production of the electric vehicle hub is realized, the energy consumption of the electric vehicle is reduced, the use cost of the electric vehicle is reduced, and the concept of energy conservation is embodied; the positioning ring is arranged, so that the processing efficiency of the electric vehicle hub is improved, and the processing cost of the electric vehicle hub is reduced; the setting of supporting the holding ring, fixing bolt is difficult for taking place to rotate at the holding ring terminal surface to improve the fixed stability of hub cap and end cover.
Description
Technical Field
The application relates to the field of automobile parts, in particular to an electric vehicle hub.
Background
The electric vehicle uses a battery as an energy source, and converts electric energy into mechanical energy to move through a controller, a motor and other components so as to control the current to change the speed. The electric vehicle hub comprises a hub body, a hub cover and end covers, wherein the hub cover and the end covers are connected to two sides of the hub body.
The utility model patent with the publication number of CN214281114U discloses a hub motor, which comprises a main shaft, an outer cover rotatably sleeved on the main shaft, a hub body welded on the outer cover, a rotor iron core sleeved on the main shaft and positioned in the outer cover, and magnetic steel fixed on the inner wall of the hub body.
The magnet steel is fixed at wheel hub body circumference inner wall, increases the thickness of wheel hub body inner ring wall, makes the gravity increase of wheel hub body, influences whole electric motor car wheel hub's lightweight production, increases electric motor car energy consumption to increase the use cost of electric motor car.
Disclosure of utility model
In order to solve the problem of lightweight production of electric vehicle hubs, the application provides an electric vehicle hub.
The application provides an electric vehicle hub, which adopts the following technical scheme:
The utility model provides an electric motor car wheel hub, includes hub body, hub cap and end cover connect the both sides at hub body axis, the hub cap includes lid and solid fixed ring, gu fixed ring coaxial welding fixes at the lid terminal surface.
Through adopting above-mentioned technical scheme, lid and solid fixed ring separate processing production, make things convenient for the staff to accurately control the thickness of solid fixed ring and lid, the magnet steel is fixed on solid fixed ring inner ring wall, makes solid fixed ring thickness and the lid thickness that are fixed with the magnet steel the same to guarantee that electric vehicle wheel hub's gravity is difficult for increasing, realize electric vehicle wheel hub's lightweight production, reduce electric vehicle energy consumption, reduce electric vehicle's use cost, embody energy-conserving notion.
Optionally, the lid terminal surface coaxial coupling has the holding ring, holding ring circumference inner wall butt solid fixed ring circumference outer wall, just gu fixed ring axis and lid axis coincidence.
Through adopting above-mentioned technical scheme, when solid fixed ring terminal surface butt lid terminal surface, gu fixed ring circumference outer wall formation spacing of fixed ring circumference inner wall butt, and gu fixed ring axis and lid axis coincidence to make things convenient for the welding process of staff to solid fixed ring and lid, need not that a staff order about solid fixed ring coaxial spacing at the lid terminal surface, another staff holds welder and carries out welding process to solid fixed ring and lid, thereby improves electric vehicle hub's machining efficiency, reduces electric vehicle hub's processing cost.
Optionally, the lid terminal surface coaxial coupling has the holding ring, holding ring circumference outer wall butt solid fixed ring circumference inner wall, just gu fixed ring axis and lid axis coincidence.
Through adopting above-mentioned technical scheme, when solid fixed ring terminal surface butt lid terminal surface, solid fixed ring circumference inner wall of locating ring circumference outer wall butt, and solid fixed ring axis and lid axis coincidence make the staff to solid fixed ring and lid's welded fastening convenience, reduce staff's work burden, improve staff's work efficiency.
Optionally, a fixing bolt is connected between the fixing ring and the end cover, and the end part of the fixing bolt penetrates through the fixing ring and is screwed and fixed on the end cover.
Through adopting above-mentioned technical scheme, fixing ring and threaded connection are worn to establish to fixing bolt's one end on the end cover, realize hub cap and end cover fixed on the wheel hub body, when needs are washd and the maintenance to hub cap and end cover, unscrew fixing bolt, realize the split of hub cap and end cover to the convenience of staff washs and maintains hub cap and end cover.
Optionally, the end face that the fixed ring kept away from the end cover is connected with the tight ring of support, the tight ring inner ring wall supports the tight fixing bolt outer wall and forms spacingly.
Through adopting above-mentioned technical scheme, when fixing bolt screws up, fixing bolt tip outer wall supports tightly to support the ring inner ring wall and forms spacingly, makes fixing bolt be difficult for taking place to rotate at the solid fixed ring terminal surface to improve the fixed stability of hub cap and end cover.
Optionally, the hub cover is kept away from the terminal surface coaxial coupling of end cover and has the brake bowl, the interior rampart of brake bowl is connected with the wear ring, wear ring circumference outer wall supports the interior wall of brake bowl circumference and forms fixedly.
Through adopting above-mentioned technical scheme, the brake disc is installed in the brake bowl, and wear-resisting ring circumference outer wall supports tight brake bowl circumference inner wall and forms fixedly to increase the thickness of brake bowl inner wall, the brake disc butt wear-resisting ring inner wall makes the difficult wearing and tearing brake bowl inner wall of brake disc, thereby extension brake bowl's life.
Optionally, the outer wall die casting of brake bowl circumference takes shape a plurality of deformation grooves, the deformation of brake bowl terminal surface forms fixedly with support the wear ring outer wall.
Through adopting above-mentioned technical scheme, a plurality of deformation grooves of die-casting brake bowl circumference outer wall shaping, it is fixed to order about brake bowl terminal surface deformation and support tight wear ring outer wall formation, makes wear ring be difficult for taking place the skew in the brake bowl to increase the tight power of support of wear ring outer wall and brake bowl inner wall.
Optionally, the inner wall of the brake bowl is connected with a plurality of first reinforcing blocks.
Through adopting above-mentioned technical scheme, brake bowl inner wall is connected with a plurality of boss one to improve the structural strength of brake bowl inner wall, make the brake bowl inner wall be difficult for receiving the striking and damage, thereby extension brake bowl's life.
Optionally, the coaxial die casting of brake bowl inner wall forms the recess, the recess inner wall is connected with a plurality of reinforcing blocks two.
By adopting the technical scheme, the inner wall of the brake bowl is coaxially die-cast to form the groove, so that the contact area of the inner wall of the brake bowl is increased; meanwhile, the inner wall of the groove is connected with a plurality of second reinforcing blocks, so that the structural strength of the inner wall of the brake bowl is improved, the inner wall of the brake bowl is not easy to be damaged due to impact, and the service life of the brake bowl is prolonged.
Optionally, the terminal surface coaxial coupling that the end cover was kept away from the hub cap has the locating piece, the terminal surface coaxial integrated into one piece that the locating piece was kept away from the end cover is fixed with the dish and stops the piece.
Through adopting above-mentioned technical scheme, dish brake piece and locating piece integrated into one piece are fixed, make the dish brake piece be difficult for breaking away from the locating piece, strengthen the structural strength between dish brake piece and the locating piece.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The cover body and the fixing ring are arranged, the thickness of the fixing ring fixed with the magnetic steel is the same as that of the cover body, so that the gravity of the electric vehicle hub is not easy to increase, the light-weight production of the electric vehicle hub is realized, the energy consumption of the electric vehicle is reduced, the use cost of the electric vehicle is reduced, and the concept of energy conservation is embodied;
2. The positioning ring is arranged, so that the processing efficiency of the electric vehicle hub is improved, and the processing cost of the electric vehicle hub is reduced;
3. The setting of supporting the holding ring, fixing bolt is difficult for taking place to rotate at the holding ring terminal surface to improve the fixed stability of hub cap and end cover.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1 of the present application.
Fig. 2 is a cross-sectional view of embodiment 1 of the present application.
Fig. 3 is a cross-sectional view of embodiment 2 of the present application.
Fig. 4 is a cross-sectional view of embodiment 3 of the present application.
Reference numerals illustrate: 1. a hub body; 11. a receiving chamber; 12. a spacing ring cavity; 2. a hub cap; 21. a cover body; 22. a fixing ring; 221. a first threaded hole; 222. a step surface; 3. an end cap; 31. a threaded hole II; 4. a brake bowl; 41. a groove; 42. a deformation groove; 5. a second reinforcing block; 6. a first reinforcing block; 7. a wear ring; 8. a fixing bolt; 9. a tightening ring; 10. a positioning block; 101. a communication hole; 13. a disc brake block; 14. and a positioning ring.
Detailed Description
The application is described in further detail below with reference to fig. 1-4.
The embodiment of the application discloses an electric vehicle hub.
Example 1
Referring to fig. 1 and 2, an electric vehicle hub comprises a hub body 1, a hub cover 2 and an end cover 3, wherein an accommodating cavity 11 is coaxially formed in the end face of the hub body 1, and the accommodating cavity 11 is used for accommodating a motor. The accommodating cavity 11 penetrates through the outer walls of the two sides of the hub body 1 along the axis of the hub body 1, and the hub cover 2 and the end cover 3 are connected to the two sides of the axis of the hub body 1. The limiting ring cavity 12 is coaxially arranged on the circumferential outer wall of the hub body 1, and the tire is coaxially embedded into the limiting ring cavity 12, so that the tire is fixed on the hub body 1.
Referring to fig. 2, the hub cap 2 includes a cap body 21 and a fixing ring 22, the fixing ring 22 is coaxially welded and fixed on the end face of the cap body 21 to form the hub cap 2, and the inner annular wall of the fixing ring 22 is used for fixing magnetic steel. When the hub cover 2 is embedded into the accommodating cavity 11, the circumferential outer wall of the fixing ring 22 abuts against the inner wall of the accommodating cavity 11 to form fixation, the cover body 21 is located at one end of the fixing ring 22 away from the hub body 1, and the end face of the cover body 21 is flush with the end face of the hub body 1.
Referring to fig. 1, a brake bowl 4 is coaxially fixed to an end surface of the cover 21 away from the fixing ring 22, and the brake bowl 4 is used for mounting a brake disc. The inner wall of the brake bowl 4 is coaxially die-cast to form a groove 41, a plurality of second reinforcing blocks 5 are fixed on the inner wall of the groove 41, and the second reinforcing blocks 5 are uniformly distributed along the axis of the brake bowl 4 at intervals. The inner wall of the brake bowl 4 is fixedly provided with a plurality of first reinforcing blocks 6, the first reinforcing blocks 6 are uniformly distributed along the axis of the brake bowl 4 at intervals, and the first reinforcing blocks 6 encircle the groove 41.
Referring to fig. 1, a wear-resistant ring 7 is fixed on a brake bowl 4, and in the embodiment of the application, the wear-resistant ring 7 is made of iron and has a certain wear-resistant performance. The wear-resisting ring 7 is embedded into the inner cavity of the brake bowl 4, and the circumferential outer wall of the wear-resisting ring 7 abuts against the inner wall of the brake bowl 4 to form limit. The outer wall interval of the circumference of the brake bowl 4 is evenly die-cast to form a plurality of deformation grooves 42, the outer wall of the brake bowl 4 with the deformation grooves 42 deforms and abuts against the outer wall of the wear-resistant ring 7 to form fixation, the abutting force between the outer wall of the wear-resistant ring 7 and the inner wall of the brake bowl 4 is further increased, and the wear-resistant ring 7 is not easy to deviate in the inner cavity of the brake bowl 4.
Referring to fig. 2, a plurality of fixing bolts 8 are connected between the fixing ring 22 and the end cover 3, a plurality of threaded holes 221 are circumferentially spaced apart from the end surface of the fixing ring 22 away from the cover body 21, and the plurality of threaded holes 221 are uniformly distributed along the axis of the fixing ring 22 at intervals. The axis of the first threaded hole 221 is parallel to the axis of the fixed ring 22, and the first threaded hole 221 penetrates through the outer wall of the fixed ring 22 along the axis of the first threaded hole. The end surface of the fixing ring 22, which is far away from the cover body 21, is coaxially fixed with a tightening ring 9, and the tightening ring 9 surrounds a plurality of threaded holes 221.
Referring to fig. 2, a plurality of second threaded holes 31 are uniformly formed in the end face of the end cover 3 at intervals in the circumferential direction, and the plurality of second threaded holes 31 are uniformly distributed along the axis of the end cover 3 at intervals. The axis of the second threaded hole 31 is parallel to the axis of the end cover 3, and the second threaded hole 31 penetrates through the outer wall of the end cover 3 along the axis of the second threaded hole. When the end cover 3 and the fixing ring 22 are embedded into the accommodating cavity 11 in a one-to-one correspondence manner, the end face of the fixing ring 22, which is far away from the cover body 21, is abutted against the end face of the end cover 3, the threaded holes I221 and the threaded holes II 31 are in one-to-one correspondence and communicated, the end parts of the fixing bolts 8 sequentially penetrate through the threaded holes I221 and the threaded holes II 31, the inner annular wall of the abutting ring 9 abuts against the end parts of the fixing bolts 8, and the hub cover 2 and the end cover 3 are mounted on the hub body 1.
Referring to fig. 2, the end surface of the end cover 3 far from the fixing ring 22 is coaxially fixed with a positioning block 10, and in the embodiment of the application, the positioning block 10 is made of iron and has a certain structural strength. One end of the positioning block 10 is positioned in the accommodating cavity 11, and the other end of the positioning block 10 protrudes out of the end face of the end cover 3. The positioning block 10 is a cylinder, the end surface of the positioning block 10 is coaxially provided with a communication hole 101, and the communication hole 101 is communicated with the accommodating cavity 11. The end face of the positioning block 10, which is far away from the end cover 3, is integrally formed and coaxially fixed with the disc brake block 13, so that the structural strength of the disc brake block 13 and the positioning block 10 is enhanced, and the disc brake block 13 is not easy to separate from the positioning block 10.
The implementation principle of the electric vehicle hub of the embodiment 1 of the application is as follows: the staff is accurate to controlling the processing thickness of solid fixed ring 22 and lid 21, and the magnet steel is fixed on the inner ring wall of solid fixed ring 22, makes the solid fixed ring 22 thickness that is fixed with the magnet steel the same with lid 21 thickness, guarantees that electric vehicle wheel hub's gravity is difficult to increase, realizes electric vehicle wheel hub's lightweight production, reduces electric vehicle energy consumption, reduces electric vehicle's use cost, embodies energy-conserving notion.
Example 2
Referring to fig. 3, embodiment 1 is different from embodiment 2 in that the end face of the cover 21 is coaxially fixed with the positioning ring 14, the connection between the positioning ring 14 and the end face of the cover 21 forms a step surface 222, the step surface 222 is located at one side of the positioning ring 14 near the axis of the cover 21, the inner annular wall of the positioning ring 14 is used for abutting against the circumferential outer wall of the fixing ring 22, and the step surface 222 is used for abutting against the end face of the fixing ring 22.
The implementation principle of the electric vehicle hub of the embodiment 2 of the application is as follows: when the end face of the fixed ring 22 is abutted against the step face 222, the circumferential inner wall of the positioning ring 14 is abutted against the circumferential outer wall of the fixed ring 22 to form limit, and the axis of the fixed ring 22 is coincident with the axis of the cover 21, so that the welding processing of the fixed ring 22 and the cover 21 by workers is facilitated, one worker is not required to drive the fixed ring 22 to be coaxially limited on the end face of the cover 21, the other worker is required to carry out the welding processing on the fixed ring 22 and the cover 21 by holding a welding gun by hands, the processing efficiency of the electric vehicle hub is improved, and the processing cost of the electric vehicle hub is reduced.
Example 3
Referring to fig. 4, embodiment 3 is different from embodiment 1 in that the end face of the cover 21 is coaxially fixed with the positioning ring 14, the junction between the positioning ring 14 and the end face of the cover 21 forms a step surface 222, the step surface 222 is located at one side of the positioning ring 14 away from the axis of the cover 21, the outer annular wall of the positioning ring 14 is used for abutting against the circumferential inner wall of the fixing ring 22, and the step surface 222 is used for abutting against the end face of the fixing ring 22.
The implementation principle of the electric vehicle hub of the embodiment 3 of the application is as follows: when the end face of the fixed ring 22 is abutted against the step face 222, the circumferential outer wall of the positioning ring 14 is abutted against the circumferential inner wall of the fixed ring 22, and the axis of the fixed ring 22 is overlapped with the axis of the cover body 21, so that the welding and fixing of the fixed ring 22 and the cover body 21 by workers are convenient, the workload of the workers is reduced, and the working efficiency of the workers is improved.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. An electric vehicle hub, characterized in that: including wheel hub body (1), hub cap (2) and end cover (3), both sides at wheel hub body (1) axis are connected to hub cap (2) and end cover (3), hub cap (2) include lid (21) and solid fixed ring (22), gu fixed ring (22) coaxial welding fixes at lid (21) terminal surface.
2. An electric vehicle hub according to claim 1, wherein: the end face of the cover body (21) is coaxially connected with a positioning ring (14), the circumferential inner wall of the positioning ring (14) is abutted against the circumferential outer wall of the fixing ring (22), and the axis of the fixing ring (22) is coincident with the axis of the cover body (21).
3. An electric vehicle hub according to claim 1, wherein: the end face of the cover body (21) is coaxially connected with a positioning ring (14), the circumferential outer wall of the positioning ring (14) is abutted against the circumferential inner wall of the fixing ring (22), and the axis of the fixing ring (22) is coincident with the axis of the cover body (21).
4. An electric vehicle hub according to claim 1, wherein: a fixing bolt (8) is connected between the fixing ring (22) and the end cover (3), and the end part of the fixing bolt (8) penetrates through the fixing ring (22) and is screwed and fastened on the end cover (3).
5. An electric vehicle hub as in claim 4, wherein: the end face, far away from the end cover (3), of the fixing ring (22) is connected with a supporting ring (9), and the inner annular wall of the supporting ring (9) supports against the outer wall of the fixing bolt (8) to form limit.
6. An electric vehicle hub according to claim 1, wherein: the end face coaxial connection that hub cap (2) kept away from end cover (3) has brake bowl (4), the interior rampart of brake bowl (4) is connected with wear ring (7), wear ring (7) circumference outer wall supports the interior wall of brake bowl (4) circumference and forms fixedly.
7. An electric vehicle hub as in claim 6, wherein: the outer wall of the brake bowl (4) is die-cast into a plurality of deformation grooves (42), and the end face of the brake bowl (4) deforms and abuts against the outer wall of the wear-resistant ring (7) to form fixation.
8. An electric vehicle hub as in claim 6, wherein: the inner wall of the brake bowl (4) is connected with a plurality of first reinforcing blocks (6).
9. An electric vehicle hub as in claim 6, wherein: the inner wall of the brake bowl (4) is coaxially die-cast to form a groove (41), and a plurality of reinforcing blocks II (5) are connected to the inner wall of the groove (41).
10. An electric vehicle hub according to claim 1, wherein: the end face of the end cover (3) far away from the hub cover (2) is coaxially connected with a positioning block (10), and the end face of the positioning block (10) far away from the end cover (3) is coaxially and integrally formed and fixed with a disc brake block (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864379.8U CN220883926U (en) | 2023-10-21 | 2023-10-21 | Electric vehicle hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864379.8U CN220883926U (en) | 2023-10-21 | 2023-10-21 | Electric vehicle hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220883926U true CN220883926U (en) | 2024-05-03 |
Family
ID=90877666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322864379.8U Active CN220883926U (en) | 2023-10-21 | 2023-10-21 | Electric vehicle hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220883926U (en) |
-
2023
- 2023-10-21 CN CN202322864379.8U patent/CN220883926U/en active Active
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