CN211222889U - High-strength bicycle hub - Google Patents
High-strength bicycle hub Download PDFInfo
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- CN211222889U CN211222889U CN201922163726.8U CN201922163726U CN211222889U CN 211222889 U CN211222889 U CN 211222889U CN 201922163726 U CN201922163726 U CN 201922163726U CN 211222889 U CN211222889 U CN 211222889U
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- bearings
- ratchet
- hub
- thick bamboo
- seat
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Abstract
The utility model discloses a high strength bicycle hub, including hub shell, car heart, ring gear and a ratchet section of thick bamboo, be equipped with the equipment space that the axial set up on the hub shell, the ring gear locate in equipment space one end and with equipment space match, the ring gear cover is located outside the ratchet section of thick bamboo and is cooperateed with a ratchet section of thick bamboo, the car heart is axially worn to locate in equipment space and the ratchet section of thick bamboo, be equipped with a plurality of bearings between hub shell and the car heart and between a ratchet section of thick bamboo and the car heart, the internal diameter of bearing equals, and the car heart diameter between the adjacent bearing equals, car heart formula as an organic whole. Through the improvement of above-mentioned structure, car heart intensity is high, difficult fracture to improve the intensity of flower hub, made the flower hub can adapt to harsher service environment.
Description
Technical Field
The utility model relates to a bicycle hub, especially a high strength bicycle hub.
Background
The general bicycle hub structure is characterized in that an axially arranged assembling space is arranged on a hub shell, a gear ring and a ratchet barrel matched with the gear ring are assembled at one end of the assembling space, the ratchet barrel is partially positioned at the periphery of the hub shell, a hub penetrates through the ratchet barrel and the assembling space, two ends of the hub are fixedly connected to a frame, a plurality of bearings are arranged between the hub and the hub shell and between the hub and the ratchet barrel, and the ratchet barrel is driven by torque to sequentially drive the gear ring and the hub shell to rotate. The hub shell rotates to drive the wheel connected with the hub shell to rotate.
In a traditional hub structure, a pair of bearings are arranged in a hub shell, the pair of bearings are respectively close to two ends of an assembly space, the pair of bearings are also arranged in a ratchet barrel, the pair of bearings are respectively close to two ends of the ratchet barrel, the inner diameter of the bearing in the hub shell is larger than that of the bearing in the ratchet barrel, the diameter of a hub between the bearings in the hub shell is larger than that of the hub between the bearings in the ratchet barrel, namely the diameter of the hub in the assembly space is larger than that of the hub in the ratchet barrel.
Disclosure of Invention
In order to solve the defects of the prior art, the utility model aims to provide a high-strength bicycle hub.
In order to realize above-mentioned purpose, the utility model discloses a high strength bicycle hub, including hub shell, car heart, ring gear and a ratchet section of thick bamboo, be equipped with the equipment space of axial setting on the hub shell, the ring gear locate in equipment space one end and cooperate with the equipment space, the ring gear cover is located outside the ratchet section of thick bamboo and cooperatees with a ratchet section of thick bamboo, the car heart axial is worn to locate in equipment space and the ratchet section of thick bamboo, be equipped with a plurality of bearings between hub shell and the car heart and between a ratchet section of thick bamboo and the car heart, the internal diameter of bearing equals, and the car heart diameter between the adjacent bearing equals, the car heart formula as an organic whole.
Further, the bearings comprise a pair of first bearings and a pair of second bearings, the first bearings are located between the hub shell and the bicycle center, the pair of first bearings are respectively close to two ends of the assembling space, and the second bearings are located between the ratchet barrel and the bicycle center.
Further, the ratchet barrel comprises a ratchet seat and a speed-changing fluted disc seat, the tooth ring is sleeved on the periphery of the ratchet seat and is in matched transmission with the ratchet seat, the speed-changing fluted disc seat is arranged on the outer side of the hub shell, the second bearings are arranged in the speed-changing fluted disc seat, and the pair of second bearings are respectively close to two ends of the speed-changing fluted disc seat.
Further, a shaft sleeve is arranged between the ratchet seat and the bicycle center.
Further, the ratchet seat and the speed change gear plate seat are integrated.
Further, equipment space one end is equipped with interior tooth portion, be equipped with the meshing tooth on the periphery wall of ring gear, the meshing tooth is square tooth, meshing tooth and internal tooth portion cooperate.
Further, the equipment space is equipped with the butt platform, the butt has the gasket between butt platform and the ring gear side, the gasket both sides all are equipped with locking tooth.
Compared with the prior art, the beneficial effects of the utility model are that: through the improvement of above-mentioned structure, car heart intensity is high, difficult fracture to improve the intensity of flower hub, made the flower hub can adapt to harsher service environment.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the middle gasket of the present invention.
Fig. 4 is a schematic structural view of the middle shaft sleeve of the present invention.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1 to 4, a high strength bicycle hub comprises a hub shell 1, a hub 2, a gear ring 3 and a ratchet barrel 4, wherein an assembly space 11 is axially arranged on the hub shell 1, the gear ring 3 is arranged in one end of the assembly space 11 and is matched with the assembly space 11, the gear ring 3 is sleeved outside the ratchet barrel 4 and is matched with the ratchet barrel 4, the hub 2 axially penetrates through the assembly space 11 and the ratchet barrel 4, a plurality of bearings are arranged between the hub shell 1 and the hub 2 and between the ratchet barrel 4 and the hub 2, in this embodiment, the bearings comprise a pair of first bearings 5 and a pair of second bearings 6, the inner diameters of the first bearings 5 and the second bearings 6 are equal, the first bearings 5 are arranged between the hub shell 1 and the hub 2, the pair of first bearings 5 are respectively close to two ends of the assembly space 11, and the second bearings 6 are arranged between the ratchet barrel 4 and the hub 2, the diameter of the center of vehicle between the pair of first bearings 5, the diameter of the center of vehicle between the pair of second bearings, and the diameter of the center of vehicle between the adjacent first bearings and the adjacent second bearings are all equal, and the center of vehicle 2 is integrated.
Through the improvement of the structure, the stress born by the bicycle core 2 can not be too concentrated, the strength of the bicycle core is greatly improved, and the bicycle core is not easy to break, so that the strength of the hub is improved, and the bicycle core can adapt to a more severe use environment. In this embodiment, the diameter of the core between the adjacent bearings is equal to the diameter of the core in the assembly space in the prior art.
In this embodiment, the vehicle core 2 is further provided with an annular limiting protrusion 21, the annular limiting protrusion 21 is located between the pair of first bearings 5, and the annular limiting protrusion 21 is matched with the hub shell 1 to limit the first bearings 5.
In this embodiment, the ratchet barrel 4 includes a ratchet seat 41 and a speed-changing gear plate seat 42, the gear ring 3 is sleeved on the periphery of the ratchet seat 41 and is in transmission with the ratchet seat 41 in a matching manner, generally, unidirectional transmission is realized between the gear ring 3 and the ratchet seat 41 through the matching of a ratchet and a pawl, which is not described herein again, the speed-changing gear plate seat 42 is located outside the hub shell 1, the second bearing 6 is located in the speed-changing gear plate seat 42, and the pair of second bearings 6 are respectively close to two ends of the speed-changing gear plate seat 42.
In this embodiment, still be equipped with axle sleeve 7 in the ratchet seat 41, axle sleeve 7 cover is located between car heart 2 and a ratchet section of thick bamboo 4, protects a car heart and a ratchet section of thick bamboo, reduces wearing and tearing between the two, still inlay on the axle sleeve 7 and be equipped with a plurality of cylinders 8, cylinder 8 is made by the graphite material, 8 one end of cylinder contacts with a ratchet section of thick bamboo 4, and the other end contacts with a car heart 2, because the graphite material has very much lubrication, antifriction effect that wear-resistants, can further protect a car heart and a ratchet section of thick bamboo, the life of extension flower hub.
In this embodiment, the ratchet seat 41 and the speed-changing gear plate seat 42 are integrated.
In this embodiment, equipment space 11 one end is equipped with interior tooth portion 12, be equipped with meshing tooth 31 on the periphery wall of ring gear 3, meshing tooth 31 is square tooth, meshing tooth 31 cooperatees with interior tooth portion 12, and through the tooth cooperation, especially square tooth, the cooperation intensity between ring gear 3 and the colored hub casing 1 is good, and difficult smooth tooth further improves the intensity of colored hub.
In this embodiment, equipment space 11 is equipped with butt joint platform 13, the butt joint has gasket 9 between butt joint platform 13 and the ring gear 3 side, gasket 9 both sides all are equipped with locking tooth 91, set up the gasket between flower hub casing 1 and ring gear 3, and the gasket is fixed a position the ring gear side, and because the locking tooth of gasket side, the butt power to the ring gear is stronger, makes the assembly strength between ring gear and the flower hub casing better, further improves the intensity of flower hub.
Claims (7)
1. The utility model provides a high strength bicycle hub, includes hub shell, car heart, ring gear and a ratchet section of thick bamboo, be equipped with the equipment space of axial setting on the hub shell, the ring gear locate in equipment space one end and with the equipment space match, the ring gear cover is located outside the ratchet section of thick bamboo and is cooperateed with a ratchet section of thick bamboo, the car heart is axial to be worn to locate in equipment space and the ratchet section of thick bamboo, be equipped with a plurality of bearings, its characterized in that between hub shell and the car heart and between a ratchet section of thick bamboo and the car heart: the inner diameters of the bearings are equal, the diameters of the centers between the adjacent bearings are equal, and the centers are integrated.
2. A high strength bicycle hub according to claim 1, wherein: the bearing comprises a pair of first bearings and a pair of second bearings, the first bearings are located between the hub shell and the bicycle center, the pair of first bearings are respectively close to two ends of the assembling space, and the second bearings are located between the ratchet barrel and the bicycle center.
3. A high strength bicycle hub according to claim 2, wherein: the ratchet barrel comprises a ratchet seat and a speed-changing fluted disc seat, the tooth ring is sleeved on the periphery of the ratchet seat and is in matched transmission with the ratchet seat, the speed-changing fluted disc seat is positioned on the outer side of the hub shell, the second bearings are positioned in the speed-changing fluted disc seat, and the pair of second bearings are respectively close to two ends of the speed-changing fluted disc seat.
4. A high strength bicycle hub according to claim 3, wherein: and a shaft sleeve is arranged between the ratchet seat and the bicycle core.
5. A high strength bicycle hub according to claim 3, wherein: the ratchet seat and the variable-speed gear plate seat are integrated.
6. A high strength bicycle hub according to claim 1, wherein: the equipment space one end is equipped with interior tooth portion, be equipped with the meshing tooth on the periphery wall of ring gear, the meshing tooth is square tooth, meshing tooth and internal tooth portion cooperate.
7. A high strength bicycle hub according to claim 1, wherein: the equipment space is equipped with the butt platform, the butt has the gasket between butt platform and the ring gear side, the gasket both sides all are equipped with locking tooth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922163726.8U CN211222889U (en) | 2019-12-06 | 2019-12-06 | High-strength bicycle hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922163726.8U CN211222889U (en) | 2019-12-06 | 2019-12-06 | High-strength bicycle hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211222889U true CN211222889U (en) | 2020-08-11 |
Family
ID=71914643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922163726.8U Active CN211222889U (en) | 2019-12-06 | 2019-12-06 | High-strength bicycle hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211222889U (en) |
-
2019
- 2019-12-06 CN CN201922163726.8U patent/CN211222889U/en active Active
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