CN216467154U - Balance car wheel hub bearing assembly convenient to assemble - Google Patents
Balance car wheel hub bearing assembly convenient to assemble Download PDFInfo
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- CN216467154U CN216467154U CN202122971345.XU CN202122971345U CN216467154U CN 216467154 U CN216467154 U CN 216467154U CN 202122971345 U CN202122971345 U CN 202122971345U CN 216467154 U CN216467154 U CN 216467154U
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- end cover
- left end
- right end
- wall
- cover
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Abstract
The utility model discloses a balance car hub bearing assembly convenient to assemble, which comprises a wheel rim; the tire is sleeved on the outer wall of the rim; the left end cover and the right end cover are fixedly connected to the left side wall and the right side wall of the wheel rim, and a decorative cover and a step are respectively arranged on one side of each of the back of the left end cover and the back of the right end cover. According to the utility model, the first inner ring and the second inner ring are respectively sleeved into the first journal and the second journal on the rotating shaft, the first outer ring is fixed on the inner side wall of the left end cover through the pressure side cover, the rotating shaft is sleeved into the first outer ring to enable the first roller to be contacted with the first outer ring, and then the right end cover and the second outer ring are installed.
Description
Technical Field
The utility model relates to the technical field of electric balance cars, in particular to a balance car hub bearing assembly convenient to assemble.
Background
The electric balance car is also called a body-sensing car, a thinking car, a camera car and the like. The market mainly has two types of single wheel and double wheel, and the operating principle is mainly based on a basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are used for detecting the change of the vehicle body posture, and a servo control system is used for accurately driving a motor to perform corresponding adjustment so as to keep the balance of the system.
When the bearings in the wheel hubs of the existing balance car are assembled in batches, hydraulic equipment is generally required to be pressed in, and the assembly can be carried out only by specific assembly tools, so that the process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a balance wheel hub bearing assembly convenient to assemble.
In order to achieve the purpose, the utility model adopts the following technical scheme: a balance car hub bearing assembly convenient to assemble comprises a wheel rim; the tire is sleeved on the outer wall of the rim; the left end cover and the right end cover are fixedly connected to the left side wall and the right side wall of the wheel rim, and a decorative cover and a step are respectively arranged on one side of the left end cover, which is opposite to the right end cover; a rotating shaft is rotatably connected to the inner walls of the left end cover and the right end cover through a first single-row tapered roller bearing and a second single-row tapered roller bearing, and a clearance adjusting assembly is arranged between the first single-row tapered roller bearing and the second single-row tapered roller bearing; the rotor magnetic yoke is fixedly connected to the inner side wall of the wheel rim and positioned between the left end cover and the right end cover; the stator core is fixedly connected to the outer wall of the rotating shaft and located between the left end cover and the right end cover, and a stator winding is arranged on the outer wall of the stator core.
As a further description of the above technical solution: and the outer walls of the left end and the right end of the rotating shaft are respectively provided with a first shaft neck and a second shaft neck.
As a further description of the above technical solution: first single-row tapered roller bearing includes first outer lane, first roller and first inner circle, first outer lane fixed connection is at left end lid inside wall and macrostoma end towards right end lid, first inner circle fixed connection is at the epaxial first journal outer wall of commentaries on classics, first roller rotates to be connected between first inner circle and first outer lane.
As a further description of the above technical solution: the second single-row tapered roller bearing comprises a second outer ring, a second roller and a second inner ring, the second outer ring is fixedly connected to the inner side wall of the right end cover, the large-opening end of the second outer ring faces the left end cover, the second inner ring is fixedly connected to the outer wall of a second journal on the rotating shaft, and the second roller is rotatably connected between the second outer ring and the second inner ring.
As a further description of the above technical solution: the clearance adjusting component comprises a blank holder cover, a jackscrew, a spring and an adjusting pressing block, the blank holder cover is in threaded connection with the right side wall of the left end cover, the first outer ring is fixedly connected with the left end cover through the blank holder cover, the adjusting pressing block is in threaded connection with the inner side wall of the right end cover and is located on the right side of the second outer ring, the jackscrew is in threaded connection with the inner wall of the step, and the adjusting pressing block is fixedly connected with the right end cover through the jackscrew.
As a further description of the above technical solution: the spring sets up in right side end cover inside wall and is located between regulation briquetting and the second outer lane, the spring is flat end wave spring to the summit.
The utility model has the following beneficial effects:
1. compared with the prior art, this balance car wheel hub bearing assembly convenient to assembly, after stator core, stator winding and rotor yoke have been installed, embolia epaxial first journal of commentaries on classics and second journal respectively with first inner circle and second inner circle, rethread pressing side cap fixes first outer lane at left end lid inside wall, embolia first outer lane with the pivot and make first roller and first outer lane contact, reload right-hand member lid and second outer lane, assemble through separable form, it is more convenient than the mode that traditional bearing used hydraulic equipment to impress.
2. Compared with the prior art, the balance vehicle hub bearing assembly convenient to assemble can increase or reduce the extrusion to the spring by rotating the adjusting pressing block after the jackscrew is loosened, so that the clearance between the first single-row tapered roller bearing and the second single-row tapered roller bearing is adjusted, and the flat end is used for saving space and keeping larger elasticity for the top wave spring.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure proposed by the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
FIG. 4 is a schematic view of a spindle structure according to the present invention;
fig. 5 is a schematic view of a blank holder cover structure according to the present invention.
Illustration of the drawings:
1. a rim; 2. a tire; 3. a left end cap; 4. a right end cap; 5. a decorative cover; 6. a rotor yoke; 7. a stator core; 8. a stator winding; 9. a step; 10. carrying out top thread; 11. a rotating shaft; 12. a first outer race; 13. a first roller; 14. a first inner race; 15. pressing an edge cover; 16. a second outer race; 17. a second roller; 18. a second inner race; 19. a spring; 20. adjusting a pressing block; 21. a first journal; 22. and a second journal.
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.
Referring to fig. 1 to 5, the present invention provides a balance wheel hub bearing assembly convenient to assemble: comprises a rim 1; the tire 2 is sleeved on the outer wall of the rim 1, and the tire 2 is a solid tire, so that the service life is long, and the impact resistance is good; the left end cover 3 and the right end cover 4 are fixedly connected to the left side wall and the right side wall of the rim 1, a decorative cover 5 and a step 9 are respectively arranged on the opposite sides of the left end cover 3 and the right end cover 4, the decorative cover 5 plays a role in sealing the left side wall of the left end cover 3, and a decorative pattern is printed on one side, away from the left end cover 3, of the decorative cover 5; a rotating shaft 11 is rotatably connected to the inner walls of the left end cover 3 and the right end cover 4 through a first single-row tapered roller bearing and a second single-row tapered roller bearing, the outer walls of the left end and the right end of the rotating shaft 11 are respectively provided with a first journal 21 and a second journal 22, and a clearance adjusting assembly is arranged between the first single-row tapered roller bearing and the second single-row tapered roller bearing; the rotor magnetic yoke 6 is fixedly connected to the inner side wall of the rim 1 and is positioned between the left end cover 3 and the right end cover 4; fixed connection just is located stator core 7 between left end cover 3, the right-hand member lid 4 at 11 outer walls of pivot, and stator core 7 outer walls are provided with stator winding 8, make circular telegram back rim 1 rotate along pivot 11 through stator core 7, rotor yoke 6, stator winding 8.
The first single-row tapered roller bearing comprises a first outer ring 12, first rollers 13 and a first inner ring 14, the first outer ring 12 is fixedly connected to the inner side wall of the left end cover 3, the big end of the first outer ring faces towards the right end cover 4, the first inner ring 14 is fixedly connected to the outer wall of a first journal 21 on the rotating shaft 11, the first rollers 13 are rotatably connected between the first inner ring 14 and the first outer ring 12, the second single-row tapered roller bearing comprises a second outer ring 16, second rollers 17 and a second inner ring 18, the second outer ring 16 is fixedly connected to the inner side wall of the right end cover 4, the big end of the second outer ring faces towards the left end cover 3, the second inner ring 18 is fixedly connected to the outer wall of a second journal 22 on the rotating shaft 11, the second rollers 17 are rotatably connected between the second outer ring 16 and the second inner ring 18, the first outer ring 12 and the second outer ring 16 in the first single-row tapered roller bearing and the first inner ring 14 and the second inner ring 18 are in a separable mode, can be assembled independently, the first journal 21 and the first inner ring 14, the second journal 22 and the second inner ring 18 are in clearance fit, the clearance is small, and the bearing can be easily installed without equipment.
The clearance adjusting component comprises a pressure side cover 15, a top thread 10, a spring 19 and an adjusting pressing block 20, the pressure side cover 15 is in threaded connection with the right side wall of the left end cover 3, a first outer ring 12 is fixedly connected with the left end cover 3 through the pressure side cover 15, the adjusting pressing block 20 is in threaded connection with the inner side wall of the right end cover 4 and is positioned on the right side of the second outer ring 16, the top thread 10 is in threaded connection with the inner wall of the step 9, the adjusting pressing block 20 is fixedly connected with the right end cover 4 through the top thread 10, the spring 19 is arranged on the inner side wall of the right end cover 4 and is positioned between the adjusting pressing block 20 and the second outer ring 16, the spring 19 is a flat end opposite top wave spring, through adjusting the pressing block 20 and the extrusion of the spring 19, the separated parts in the first single-row tapered roller bearing and the second single-row tapered roller bearing are well matched together, the clearance can be adjusted by rotating the adjusting pressing block 20, so that the first single-row tapered roller bearing and the second single-row tapered roller bearing are in the optimal working state.
The working principle is as follows: the first outer ring 12 and the second outer ring 16 in the first single-row tapered roller bearing and the second single-row tapered roller bearing, the first inner ring 14 and the second inner ring 18 are separable and can be assembled independently, the first journal 21, the first inner ring 14, the second journal 22 and the second inner ring 18 are in clearance fit and have small clearance, the first single-row tapered roller bearing and the second single-row tapered roller bearing can be easily assembled without equipment, the separated parts in the first single-row tapered roller bearing and the second single-row tapered roller bearing are well matched together through the extrusion of the adjusting pressing block 20 and the spring 19, and the clearance can be adjusted through rotating the adjusting pressing block 20, so that the first single-row tapered roller bearing and the second single-row tapered roller bearing are in the optimal working state.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. Balance car wheel hub bearing assembly convenient to assembly, its characterized in that: comprises a rim (1);
the tire (2) is sleeved on the outer wall of the rim (1);
the left end cover (3) and the right end cover (4) are fixedly connected to the left side wall and the right side wall of the rim (1), and a decorative cover (5) and a step (9) are respectively arranged on one side of the left end cover (3) opposite to the right end cover (4);
a rotating shaft (11) is rotatably connected to the inner walls of the left end cover (3) and the right end cover (4) through a first single-row tapered roller bearing and a second single-row tapered roller bearing, and a clearance adjusting assembly is arranged between the first single-row tapered roller bearing and the second single-row tapered roller bearing;
the rotor magnetic yoke (6) is fixedly connected to the inner side wall of the rim (1) and is positioned between the left end cover (3) and the right end cover (4);
the stator core (7) is fixedly connected to the outer wall of the rotating shaft (11) and located between the left end cover (3) and the right end cover (4), and a stator winding (8) is arranged on the outer wall of the stator core (7).
2. The easy-to-assemble balance wheel hub bearing assembly of claim 1, wherein: the outer walls of the left end and the right end of the rotating shaft (11) are respectively provided with a first journal (21) and a second journal (22).
3. The easy-to-assemble balance wheel hub bearing assembly of claim 2, wherein: first single-row tapered roller bearing includes first outer lane (12), first roller (13) and first inner circle (14), first outer lane (12) fixed connection is in left end lid (3) inside wall and macrostoma end towards right end lid (4), first inner circle (14) fixed connection is in first axle journal (21) outer wall on pivot (11), first roller (13) rotate to be connected between first inner circle (14) and first outer lane (12).
4. The easy-to-assemble balance wheel hub bearing assembly of claim 3, wherein: the second single-row tapered roller bearing comprises a second outer ring (16), a second roller (17) and a second inner ring (18), wherein the second outer ring (16) is fixedly connected to the inner side wall of the right end cover (4) and the large opening end faces the left end cover (3), the second inner ring (18) is fixedly connected to the outer wall of a second journal (22) on the rotating shaft (11), and the second roller (17) is rotatably connected between the second outer ring (16) and the second inner ring (18).
5. The easy-to-assemble balance wheel hub bearing assembly of claim 4, wherein: the clearance adjusting part comprises a pressure side cover (15), a jackscrew (10), a spring (19) and an adjusting pressing block (20), the pressure side cover (15) is in the left end cover (3) right side wall in a threaded connection mode, a first outer ring (12) is fixedly connected with the left end cover (3) through the pressure side cover (15), the adjusting pressing block (20) is in the right end cover (4) inner side wall in a threaded connection mode and is located the second outer ring (16) right side, the jackscrew (10) is in the step (9) inner wall in a threaded connection mode, and the adjusting pressing block (20) is fixedly connected with the right end cover (4) through the jackscrew (10).
6. The easy-to-assemble balance wheel hub bearing assembly of claim 5, wherein: the spring (19) is arranged on the inner side wall of the right end cover (4) and is located between the adjusting pressing block (20) and the second outer ring (16), and the spring (19) is a flat end opposite-top wave spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971345.XU CN216467154U (en) | 2021-11-30 | 2021-11-30 | Balance car wheel hub bearing assembly convenient to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122971345.XU CN216467154U (en) | 2021-11-30 | 2021-11-30 | Balance car wheel hub bearing assembly convenient to assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216467154U true CN216467154U (en) | 2022-05-10 |
Family
ID=81402088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122971345.XU Active CN216467154U (en) | 2021-11-30 | 2021-11-30 | Balance car wheel hub bearing assembly convenient to assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216467154U (en) |
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2021
- 2021-11-30 CN CN202122971345.XU patent/CN216467154U/en active Active
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