CN219789794U - Bicycle hub with waterproof function - Google Patents
Bicycle hub with waterproof function Download PDFInfo
- Publication number
- CN219789794U CN219789794U CN202223267599.4U CN202223267599U CN219789794U CN 219789794 U CN219789794 U CN 219789794U CN 202223267599 U CN202223267599 U CN 202223267599U CN 219789794 U CN219789794 U CN 219789794U
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- Prior art keywords
- groove
- hub
- waterproof
- waterproof cover
- annular
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- 238000007789 sealing Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of bicycle hubs, in particular to a bicycle hub with a waterproof function, wherein waterproof covers are respectively arranged at the left side and the right side of an axle core in a screwed connection mode, an integrally formed extension ring is arranged at the edge of a side wall of the waterproof cover, the extension ring is arranged in an annular groove, sealing annular grooves are formed in the inner annular wall of the waterproof cover, balls are respectively and movably arranged on one side wall of the extension ring in a distributed mode, the sealing rings are respectively and fixedly arranged in the two sealing annular grooves, the sealing rings are sleeved on the axle core, a first guide groove is formed in the outer side position of the waterproof cover on the axle core, a second guide groove is formed in the outer annular wall of the extension ring, a drainage groove communicated with the second guide groove is formed in the lower portion of the outer side wall of the waterproof cover, the joint of the axle barrel and the axle core can be prevented from being exposed, rainwater can be guided and discharged, and the rainwater cannot enter the inside of the hub, and certain influence on riding is avoided.
Description
Technical Field
The utility model relates to the technical field of bicycle hubs, in particular to a bicycle hub with a waterproof function.
Background
The bicycle hub is commonly called as a hub barrel, plays a role of connecting spokes and axles, is an important part on a bicycle, the joint of the axle core and the axle barrel of the existing hub is generally exposed to the outside, and when a rainy day is met, rainwater can enter the interior of the hub from the gap of the joint of the axle barrel and the axle core, so that the riding smoothness is greatly influenced, and therefore, the bicycle hub with a waterproof function is needed.
Disclosure of Invention
The utility model aims at overcoming the defects and shortcomings of the prior art, and provides a bicycle hub with a reasonable design and a waterproof function, which is used for solving the problems.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the hub comprises a hub main body, wherein the hub main body consists of a shaft core, a shaft barrel and a hub disc, the shaft core is provided with the shaft barrel, the hub disc is fixedly arranged on the left side and the right side of the shaft barrel, and an annular groove is formed in the outer side wall of the hub disc;
it also comprises:
the two waterproof covers are respectively arranged at the left side and the right side of the shaft core in a screwed mode through threads, mounting limiting mechanisms are arranged in thread grooves formed in the lower portions of the two waterproof covers, an integrally formed extension ring is arranged on the edge of a side wall of the waterproof cover, close to the shaft barrel, of the waterproof cover, the extension ring is arranged in an annular groove, and a sealing annular groove is formed in the inner annular wall of the waterproof cover;
the plurality of balls are respectively and movably arranged on one side wall of the extension ring in a uniform-round-angle distribution manner, and are in movable abutting arrangement with an annular chute formed in the inner side wall of the annular groove;
the sealing rings are two, are fixedly arranged in the two sealing ring grooves respectively, the sealing ring is sleeved on the shaft core, a first diversion trench is formed in the position, located on the outer side of the waterproof cover, of the shaft core, a second diversion trench is formed in the outer annular wall of the extension ring, and a drainage trench communicated with the second diversion trench is formed in the lower portion of the outer side wall of the waterproof cover.
Preferably, the installation limiting mechanisms each comprise:
the inner hexagonal threaded rod is arranged in the threaded groove in a screwed mode through threads, the upper end of the inner hexagonal threaded rod passes through the threaded groove and then is abutted against the limiting groove formed in the lower portion of the shaft core, and a straight groove is formed in a nut at the lower end of the inner hexagonal threaded rod;
the rubber ring is sleeved on the inner hexagonal threaded rod and is in contact with the threaded groove;
the waterproof cover is inserted into the lower opening of the thread groove.
Preferably, a plurality of anti-skid patterns are distributed on the outer side wall of the waterproof cover in a uniform round angle mode.
Preferably, a reaming fillet is arranged at the opening part of the inner annular wall of the waterproof cover, which is close to the hub disc.
Preferably, a water guide ring is fixedly arranged on one side wall of the hub disc at the outer side of the annular groove.
Compared with the prior art, the utility model has the beneficial effects that: the bicycle hub with the waterproof function can not only prevent the joint of the shaft barrel and the shaft core from being exposed, but also guide and discharge rainwater, so that the rainwater cannot enter the interior of the hub, and certain influence on riding is avoided.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view taken along A-A in fig. 1.
Fig. 3 is an enlarged view of a portion B in fig. 2.
Fig. 4 is an enlarged view of a portion C in fig. 3.
Fig. 5 is an exploded view of the part of the present utility model.
Fig. 6 is an enlarged view of a portion D in fig. 5.
Fig. 7 is a schematic view of the structure of the hexagonal rod of the present utility model.
Fig. 8 is a schematic structural view of the waterproof cover in the present utility model.
Reference numerals illustrate:
the hub comprises a hub main body 1, a hub 1-2, a hub disc 1-3, an annular groove 2, a waterproof cover 3, a thread groove 4, an installation limiting mechanism 5, an inner hexagonal threaded rod 5-1, a straight groove 5-2, a rubber ring 5-3, a waterproof cover 5-4, an extension ring 6, a sealing annular groove 7, a ball 8, an annular sliding groove 9, a sealing ring 10, a first diversion groove 11, a second diversion groove 12, a drainage groove 13, an anti-skidding line 14, a reaming round corner 15 and a water diversion ring 16.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, in which preferred embodiments in the description are given by way of example only, and all other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of protection of the present utility model.
Embodiment one:
as shown in fig. 1 to 8, the present embodiment adopts the following technical scheme: the novel flower drum comprises a flower drum main body 1, wherein the flower drum main body 1 consists of a shaft core 1-1, a shaft barrel 1-2 and a flower drum disc 1-3, the shaft barrel 1-2 is arranged on the shaft core 1-1, the flower drum disc 1-3 is fixedly arranged on the left side and the right side of the shaft barrel 1-2 in a welding manner, and an annular groove 2 is formed in the outer side wall of the flower drum disc 1-3;
it also comprises:
the two waterproof covers 3 are respectively arranged at the left side and the right side of the shaft core 1-1 through screw threads in a screwed manner, the waterproof covers 3 can shield the joint of the shaft barrel 1-2 and the shaft core 1-1, the joint is prevented from being exposed outside, rainwater can enter the inside of the hub, the opening part of the inner annular wall of the waterproof cover 3, which is close to the hub disc 1-3, is provided with a reaming round corner 15, the opening part of the inner annular wall of the waterproof cover 3, which is close to the hub disc 1-3, can be enlarged through the reaming round corner 15, so that the waterproof cover 3 is more convenient when being screwed on the shaft core 1-1, a screw thread groove 4 formed at the lower part of the two waterproof covers 3 is provided with a mounting limiting mechanism 5, a plurality of anti-skidding lines 14 are distributed on the round corners on the outer side wall of the waterproof cover 3, the anti-skidding lines 14 can increase the roughness of the outer side wall of the waterproof cover 3, the waterproof cover 3 can generate larger friction force with hands in the rotating mounting process, the occurrence of a hand skidding phenomenon is reduced, the edge of one side wall of the waterproof cover 3, an integrally formed extension ring 6 is arranged near the side wall edge of the hub 1-2, the inner annular groove 6 extends to the inner annular groove 2, the inner annular groove 2 is arranged at the position of the annular groove 2, the outer diameter of the ring 2 is reduced, the ring groove 2 is not in contact with the outer diameter of the annular groove 2 is reduced, the ring groove 2 is arranged, the diameter of the ring groove 2 is reduced, the inner diameter of the ring groove 2 is reduced, the inner diameter is reduced, the ring groove diameter is arranged on the inner annular groove 2 is arranged, the inner diameter is arranged, the inner ring groove is arranged in the ring groove 2 is arranged, and the sealing ring groove is arranged, the sealing ring is arranged on the sealing ring 2 is arranged, and the sealing ring is positioned on the sealing ring 2, and the sealing ring 2 is the sealing ring 2, and the sealing ring is positioned on the sealing ring 2, and the sealing ring is made inside the ring 2 and has the sealing ring 3;
the plurality of balls 8 are respectively and movably arranged on one side wall of the extension ring 6 in a uniform-round-angle distribution manner, and the balls 8 are movably arranged in a collision manner with an annular chute 9 arranged on the inner side wall of the annular groove 2;
the sealing rings 10 are respectively and fixedly arranged in the two sealing ring grooves 7, the sealing rings 10 are sleeved on the shaft core 1-1, the sealing rings 10 can increase the tightness between the waterproof cover 3 and the shaft core 1-1, rainwater is prevented from penetrating into a gap between the waterproof cover 3 and the shaft core 1-1 and between the shaft core 1-1 and the shaft barrel 1-2, a first diversion trench 11 is formed in the position, located outside the waterproof cover 3, of the shaft core 1-1, the rainwater diversion effect of the first diversion trench 11 is utilized to reduce the entering amount of the rainwater flowing into the gap between the waterproof cover 3 and the shaft core 1-1, a second diversion trench 12 is formed in the outer annular wall of the extension ring 6, a drainage trench 13 communicated with the second diversion trench 12 is formed in the lower part of the outer side wall of the waterproof cover 3, and when the rainwater enters into the shaft core 2, the rainwater can be fully guided to the lower part of the second diversion trench 12 through the diversion effect of the second diversion trench 12, and then discharged by the drainage trench 13, and the rainwater in the 2 is prevented from continuously flowing inwards.
Embodiment two:
as shown in fig. 1 and fig. 4 to fig. 7, this embodiment is an improvement on the basis of the first embodiment, and the installation limiting mechanisms 5 each include:
the inner hexagonal threaded rod 5-1 is arranged in the threaded groove 4 through threaded connection, the upper end of the inner hexagonal threaded rod 5-1 passes through the threaded groove 4 and is arranged in a limiting groove formed in the lower portion of the shaft core 1-1 in a collision mode, the inner hexagonal threaded rod 5-1 can be used for fixing the waterproof cover 3 and the shaft core 1-1, the waterproof cover 3 is prevented from being loosened due to long-time riding and jolting, a straight groove 5-2 is formed in a nut at the lower end of the inner hexagonal threaded rod 5-1, the inner hexagonal threaded rod 5-1 can be detached or installed through a straight screwdriver through the straight groove 5-2, and tool limitations applicable to detachment and installation of the inner hexagonal threaded rod 5-1 are enlarged;
the rubber ring 5-3 is sleeved on the hexagonal threaded rod 5-1, and the rubber ring 5-3 is in contact with the thread groove 4;
the waterproof cover 5-4 is inserted into the opening at the lower part of the thread groove 4, and the waterproof cover 5-4 can prevent rainwater from penetrating into the thread groove 4 to cause corrosion of the hexagonal screw rod 5-1.
When the waterproof cover 3 is used, the waterproof cover 3 is sleeved on the shaft core 1-1, then the waterproof cover 3 is moved inwards and rotated, so that the extending ring 6 and the balls 8 enter the annular groove 2, when the balls 8 are abutted against the annular chute 9, the rotation of the waterproof cover 3 is stopped, then the inner hexagonal threaded rod 5-1 is screwed into the threaded groove 4 by using an inner hexagonal screwdriver or a straight screwdriver, the upper end of the inner hexagonal threaded rod 5-1 is abutted against the limiting groove, the waterproof cover 3 is mounted and fixed, the waterproof cover 5-4 is inserted into the threaded groove 4, then the bicycle hub is connected with the bicycle, when rainwater falls on the hub main body 1, the entering amount of the annular groove 2 can be reduced through the diversion effect of the water guide ring 16, if a small part of rainwater enters the annular groove 2 through a gap between the water guide ring 16 and the waterproof cover 3, the rainwater in the annular groove 2 can be diversion trench down through the second diversion trench 12, and discharged from the water drain groove 13, the rainwater can be prevented from continuously flowing inwards 2, the influence on the inner side of the inner hexagonal threaded rod 5-1 is even the water guide trench 1-1, the water guide ring 1 can be prevented from entering the annular groove 2 through the gap between the water guide ring 1-1 and the annular groove 1, and the sealing ring 1 can not enter the annular groove 1, and the gap 1 can be completely prevented from entering the gap between the hub 1 and the hub 1-1 and the sealing drum 1 through the sealing drum 1.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. through the cooperation of the waterproof cover 3, the extension ring 6, the first diversion trench 11, the second diversion trench 12, the drainage trench 13 and the sealing ring 10, the joint of the shaft barrel 1-2 and the shaft core 1-1 can be shielded, rainwater can be guided and discharged, and the rainwater is prevented from entering the inside of the flower drum to influence riding;
2. the roughness of the outer side wall of the waterproof cover 3 can be increased through the anti-skid patterns 14, so that the waterproof cover 3 can generate larger friction force with hands in the rotating and installing process, and the occurrence of the phenomenon of hand slip is reduced.
It should be understood that those skilled in the art can make modifications to the technical solutions described in the foregoing embodiments and equivalent substitutions of some technical features, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The bicycle hub with the waterproof function comprises a hub main body (1), wherein the hub main body (1) is composed of a shaft core (1-1), a shaft barrel (1-2) and a hub disc (1-3), the shaft barrel (1-2) is arranged on the shaft core (1-1), the hub disc (1-3) is fixedly arranged on the left side and the right side of the shaft barrel (1-2), and an annular groove (2) is formed in the outer side wall of the hub disc (1-3);
the method is characterized in that: it also comprises:
the waterproof covers (3) are arranged on the left side and the right side of the shaft core (1-1) in a screwed mode through threads, installation limiting mechanisms (5) are arranged in thread grooves (4) formed in the lower portions of the two waterproof covers (3), an integrally formed extension ring (6) is arranged on the edge of a side wall, close to the shaft barrel (1-2), of the waterproof cover (3), the extension ring (6) is arranged in the annular groove (2), and sealing annular grooves (7) are formed in the inner annular wall of the waterproof cover (3);
the plurality of balls (8) are respectively and movably arranged on one side wall of the extension ring (6) in a uniform-round-angle distribution manner, and the balls (8) are movably arranged in a collision manner with an annular chute (9) formed in the inner side wall of the annular groove (2);
sealing washer (10), sealing washer (10) are two, and fixed setting is in two sealed annular (7) respectively, and sealing washer (10) cover is established on axle core (1-1), and No. one guiding gutter (11) has been seted up to the outside position department that is located buckler (3) on axle core (1-1), has seted up No. two guiding gutter (12) on the outer annular wall of extension circle (6), and drainage tank (13) that link up mutually with No. two guiding gutter (12) have been seted up to the lateral wall lower part of buckler (3).
2. A bicycle hub with waterproof function according to claim 1, characterized in that: the installation limiting mechanisms (5) all comprise:
the inner hexagonal threaded rod (5-1) is arranged in the threaded groove (4) in a screwed mode, the upper end of the inner hexagonal threaded rod (5-1) passes through the threaded groove (4) and then is arranged in a limiting groove formed in the lower portion of the shaft core (1-1) in a abutting mode, and a straight groove (5-2) is formed in a nut at the lower end of the inner hexagonal threaded rod (5-1);
the rubber ring (5-3) is sleeved on the hexagonal threaded rod (5-1), and the rubber ring (5-3) is in contact with the thread groove (4);
the waterproof cover (5-4) is inserted into the opening below the thread groove (4).
3. A bicycle hub with waterproof function according to claim 1, characterized in that: the outer side wall of the waterproof cover (3) is provided with a plurality of anti-skid patterns (14) in equal round angle distribution.
4. A bicycle hub with waterproof function according to claim 1, characterized in that: the opening part of the inner annular wall of the waterproof cover (3) close to the hub disc (1-3) is provided with a reaming fillet (15).
5. A bicycle hub with waterproof function according to claim 1, characterized in that: a water guide ring (16) is fixedly arranged on one side wall of the hub disc (1-3) at the outer side of the annular groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223267599.4U CN219789794U (en) | 2022-12-07 | 2022-12-07 | Bicycle hub with waterproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223267599.4U CN219789794U (en) | 2022-12-07 | 2022-12-07 | Bicycle hub with waterproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219789794U true CN219789794U (en) | 2023-10-03 |
Family
ID=88186473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223267599.4U Active CN219789794U (en) | 2022-12-07 | 2022-12-07 | Bicycle hub with waterproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219789794U (en) |
-
2022
- 2022-12-07 CN CN202223267599.4U patent/CN219789794U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |