CN219262996U - Novel end cap sealing structure of bicycle hub - Google Patents
Novel end cap sealing structure of bicycle hub Download PDFInfo
- Publication number
- CN219262996U CN219262996U CN202320393877.6U CN202320393877U CN219262996U CN 219262996 U CN219262996 U CN 219262996U CN 202320393877 U CN202320393877 U CN 202320393877U CN 219262996 U CN219262996 U CN 219262996U
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- end cap
- cap part
- shaft core
- bearing
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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 Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model provides an end cap sealing structure of a novel bicycle hub, which comprises a hub body, a bearing, end cap parts, a locking structure and a sealing structure, wherein the bearing is fixedly arranged in the hub body, the end cap parts are arranged at openings at the left end and the right end of the hub body, the bearing is arranged at the inner side position of the end cap parts, the inner diameters of the end cap parts and the bearing are consistent and matched with the outer diameter of a hub, the hub is arranged at the inner cavity position of the end cap parts and the bearing in a penetrating way, the outer side surface of the hub is also provided with the locking structure for locking the hub and an inner ring of the bearing, the end cap parts are sleeved at the left end and the right end of the hub in a sealing way, and the sealing structure is also arranged between the end cap parts and the hub body. The utility model can avoid friction force and simultaneously double block external splash lines and dust, and has better waterproof and dustproof effects.
Description
Technical Field
The utility model relates to the field of bicycle hub structures, in particular to an end cap sealing structure of a novel bicycle hub.
Background
The hub end cap is a structural component of connecting a frame gear opening hook claw on the outer side of a shaft, commonly called an end cap nut, is an indispensible component of a bicycle, is mainly a part for positioning a wheel shaft and rotating a transmission wheel rim, is various in the market, is different in types and is made of iron, aluminum, titanium, carbon fibers and the like, and is provided with a barrel shaft, quick disassembly and the like according to the structure; the common bicycle hub end cap is dustproof and waterproof only by virtue of the small axial gap between the hub end cap and the hub body, is easy to penetrate by a lateral direct water line, has a lower waterproof effect, cannot guarantee the waterproof/dustproof effect of the bearing in the hub, and is stable, efficient and smooth to operate.
There is a need for a new end cap seal structure for a bicycle hub that solves the above-mentioned problems.
Disclosure of Invention
The utility model provides a novel end cap sealing structure of a bicycle hub, which solves the problems of poor sealing effect and easiness in water seepage/dust in the use process of the existing hub structure by performing technical transformation on the existing hub sealing structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel end cap seal structure of bicycle flower-drum, includes flower-drum body, bearing, end cap part, locking structure and seal structure, this internal fixed mounting of flower-drum has the bearing, and end cap part is installed to the left and right sides both ends opening part of flower-drum body, and the bearing setting is in end cap part inboard position, just end cap part and bearing internal diameter are unanimous with axle core external diameter assorted, axle core wears to locate end cap part and bearing inner chamber position, axle core lateral surface still is provided with the locking structure that is used for locking axle core and bearing inner ring, end cap part seals the cover and establishes both ends position about the axle core, just still be provided with seal structure between end cap part and the flower-drum body.
Preferably, the locking structure comprises a convex rib, the convex rib is arranged on the outer side face of the shaft core in a surrounding and protruding mode, and the convex rib is respectively in abutting arrangement with the bearing inner rings at the left side and the right side in the flower-drum body.
Preferably, the locking structure comprises an inner sleeve, the inner diameter of the inner sleeve is matched with the outer diameter of the shaft core, the inner sleeve is sleeved outside the shaft core, and the inner sleeve is clamped between bearing inner rings at the left side and the right side in the flower-drum body.
Preferably, the sealing structure comprises a sealing ring, a first mounting groove is formed in the outer side face of the end cap part, the sealing ring is placed in the first mounting groove, and the outer side face of the sealing ring is opposite to the inner side wall of the opening of the relative flower drum body.
Preferably, annular arc grooves are formed in the mounting positions of the sealing rings at the two ends of the hub body, opposite to the end cap portions, the sealing rings are arranged between the first mounting grooves and the arc grooves, and the arc surfaces of the arc grooves are attached to the outer contours of the sealing rings.
Preferably, the sealing structure further comprises a blocking wing structure, the outer side surface of the end cap part is further provided with a blocking wing structure in an outwards protruding mode, and the blocking wing structure is arranged at the outer end faces of the two ends of the flower drum body, so that an L-shaped gap is formed between the end cap part and the flower drum body.
Preferably, a clamping rubber ring is further arranged between the end cap part and the shaft core, a second mounting groove is formed in the inner side face of the end cap part relative to the shaft core, a clamping rubber ring is arranged in the second mounting groove, and the clamping rubber ring is arranged between the end cap part and the shaft core in a collision mode.
Preferably, a thread structure is arranged between the end cap part and the shaft core, the inner side surface of the end cap part relative to the shaft core is provided with an inner thread, the outer side surfaces of the two ends of the shaft core are provided with an outer thread, and the end cap part is fixedly connected with the shaft core through threads.
The utility model has the beneficial effects that:
1) According to the utility model, the first mounting groove is formed in the outer side surface of the end cap part, the sealing ring is arranged in the first mounting groove, and the sealing ring is arranged on the outer ring of the end cap part and is matched with the concave arc of the flower drum body to form a tiny gap, so that the end cap part has a movable space, the outer side surface of the end cap body is provided with the blocking wing, and the L-shaped tiny gap is formed between the blocking wing and the side joint surface of the flower drum body, so that friction force is avoided, and meanwhile, the external splashing water line and dust are doubly blocked, and the waterproof and dustproof effects are better.
2) The outer side surface of the shaft core is also provided with a locking structure for locking the shaft core and the bearing inner ring, so that the shaft core and the bearing are more tightly installed and positioned, the installation stability is better, and the service life is longer.
3) According to the utility model, two structures of the clamping rubber ring and the inner thread are arranged in the inner hole of the end cap part, the built-in clamping rubber ring structure is fast to assemble and disassemble, the built-in clamping rubber ring structure can be quickly separated from the hub shaft core by slightly forcefully inserting and pulling, and the built-in thread structure is firm in screw thread installation in a short time and is not easy to fall off.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic cross-sectional view of embodiment 1 of the present utility model;
FIG. 4 is an enlarged schematic view of a seal structure according to the present utility model;
FIG. 5 is a schematic cross-sectional view of embodiment 2 of the present utility model;
reference numerals illustrate: the hub body 1, the bearing 2, the end cap part 3, the first mounting groove 31, the second mounting groove 32, the locking structure 4, the convex edge 41, the inner sleeve 42, the sealing structure 5, the sealing ring 51, the blocking wing structure 52, the shaft core 6, the clamping rubber ring 7 and the thread structure 8.
Detailed Description
The details of the present utility model are described below in conjunction with the accompanying drawings and examples.
Referring to fig. 1-5, the utility model provides an end cap sealing structure of a novel bicycle hub, which comprises a hub body 1, a bearing 2, an end cap part 3, a locking structure 4 and a sealing structure 5, wherein the bearing 2 is fixedly arranged in the hub body 1, the end cap part 3 is arranged at the opening parts of the left end and the right end of the hub body 1, the bearing 2 is arranged at the inner side position of the end cap part 3, the inner diameters of the end cap part 3 and the bearing 2 are consistent and matched with the outer diameter of a shaft core 6, the shaft core 6 is arranged at the inner cavity positions of the end cap part 3 and the bearing 2 in a penetrating way, the outer side surface of the shaft core 6 is further provided with the locking structure 4 for locking the shaft core 6 and the inner ring of the bearing 2, the end cap part 3 is sleeved at the left end position and the right end position of the shaft core 6 in a sealing way, and the sealing structure 5 is further arranged between the end cap part 3 and the hub body 1.
Further, in order to realize that the locking structure 4 can lock and position the installation bearing 2 and the shaft core 6, the locking structure 4 comprises a convex rib 41, the convex rib 41 is arranged on the outer side surface of the shaft core 6 in a surrounding and protruding mode, and the convex rib 41 is respectively in abutting arrangement with the inner rings of the bearings 2 on the left side and the right side in the flower-drum body 1. The convex rib 41 is in abutting arrangement with the outer side wall of the shaft core 6 and the inner ring of the bearing 2, so that the shaft core 6 is relatively fixed with the inner ring of the bearing 2, and when the inner ring of the bearing 2 rotates with the outer ring, the shaft core 6 rotates more stably relative to the hub body 1.
Further, the locking structure 4 includes an inner sleeve 42, the inner diameter of the inner sleeve 42 is matched with the outer diameter of the shaft core 6, the inner sleeve 42 is sleeved outside the shaft core 6, and the inner sleeve 42 is clamped between inner rings of the bearings 2 at the left side and the right side in the hub body 1. The bearing 2 and the shaft core 6 can be locked through the inner sleeve 42, so that the stability of the rotation of the shaft core 6 relative to the hub body 1 is improved.
Further, in order to obtain a higher waterproof sealing effect, the sealing structure 5 includes a sealing ring 51, the outer side surface of the end cap portion 3 is provided with a first mounting groove 31, the sealing ring 51 is placed in the first mounting groove 31, and the outer side surface of the sealing ring 51 is opposite to the inner side wall position of the opening of the relative flower-drum body 1.
Further, in order to increase the contact area of the waterproof sealing surface, annular arc grooves are formed in the mounting positions of the two ends of the hub body 1, opposite to the sealing rings 51 of the end cap portion 3, the sealing rings 51 are arranged between the first mounting grooves 31 and the arc grooves, and the arc surfaces of the arc grooves are attached to the outer contours of the sealing rings 51.
Further, in order to obtain a higher waterproof sealing effect, the sealing structure 5 further comprises a blocking wing structure 52, the outer side surface of the end cap part 3 is further provided with the blocking wing structure 52 in an outward protruding mode, and the blocking wing structure 52 is arranged at the outer end faces of the two ends of the flower-drum body 1, so that an L-shaped gap is formed between the end cap part 3 and the flower-drum body 1. The tiny L-shaped gap is capable of preventing friction force and simultaneously doubly blocking the external splashing water line and dust, so that the waterproof and dustproof effects are better.
Further, in order to enable the end cap portion 3 and the shaft core 6 to be relatively fixed, a clamping rubber ring 7 is further arranged between the end cap portion 3 and the shaft core 6, a second mounting groove 32 is formed in the inner side face of the end cap portion 3, which is opposite to the shaft core 6, of the shaft core 6, the clamping rubber ring 7 is arranged in the second mounting groove 32, and the clamping rubber ring 7 is arranged between the end cap portion 3 and the shaft core 6 in a collision mode.
Further, in another embodiment 2, a threaded structure 8 is disposed between the end cap portion 3 and the shaft core 6, an internal thread is formed on an inner side surface of the end cap portion 3 opposite to the shaft core 6, an external thread is formed on outer side surfaces of two ends of the shaft core 6, and the end cap portion 3 is fixedly connected with the shaft core 6 through threads.
In the embodiment, the first mounting groove 31 is formed in the outer side surface of the end cap part 3, the sealing ring 51 is arranged in the first mounting groove 31, the sealing ring 51 is arranged on the outer ring of the end cap part 3, a tiny gap is formed between the sealing ring and the concave arc of the flower drum body 1, the end cap part 3 is provided with a movable space, the outer side surface of the end cap body is provided with a blocking wing, an L-shaped tiny gap is formed between the outer side surface of the end cap body and the side joint surface of the flower drum body 1, the friction force is avoided, the external splashing lines and dust are blocked in a double mode, and the waterproof and dustproof effects are better.
And the outer side of the shaft core 6 of the embodiment is also provided with a locking structure 4 for locking the shaft core 6 and the inner ring of the bearing 2, and the shaft core 6 and the bearing 2 are more tightly installed and positioned, so that the installation stability is better and the service life is longer.
According to the utility model, two structures of the clamping rubber ring 7 and the inner thread are arranged in the inner hole of the end cap part 3, the built-in clamping rubber ring 7 is fast to assemble and disassemble, the hub shaft core 6 can be quickly engaged with the hub shaft core by slightly forcefully inserting and pulling out the hub shaft core, and the built-in thread structure is firm in screw thread installation in a short time and is not easy to fall off.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or can be connected through an intermediate medium, and can be communication between two elements or interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood by those skilled in the art in specific cases.
Claims (8)
1. The utility model provides a novel end cap seal structure of bicycle flower-drum, its characterized in that, including flower-drum body, bearing, end cap part, locking structure and seal structure, the end cap part is installed to the both ends opening part about the flower-drum body to this internal fixed mounting of flower-drum, and the bearing setting is in end cap part inboard position, just end cap part and bearing internal diameter unanimous with axle core external diameter assorted, axle core wears to locate end cap part and bearing inner chamber position, axle core lateral surface still is provided with the locking structure that is used for locking axle core and bearing inner ring, end cap part seals the cover and establishes both ends position about the axle core, just still be provided with seal structure between end cap part and the flower-drum body.
2. The end cap sealing structure of a novel bicycle hub according to claim 1, wherein the locking structure comprises a convex rib, the convex rib is arranged on the outer side surface of the shaft core in a surrounding and protruding mode, and the convex rib is respectively in abutting arrangement with bearing inner rings on the left side and the right side in the hub body.
3. The end cap sealing structure of a novel bicycle hub according to claim 1, wherein the locking structure comprises an inner sleeve, the inner diameter of the inner sleeve is matched with the outer diameter of the shaft core, the inner sleeve is sleeved outside the shaft core, and the inner sleeve is clamped between bearing inner rings at the left side and the right side in the hub body.
4. The end cap sealing structure of a novel bicycle hub according to claim 1, wherein the sealing structure comprises a sealing ring, a first mounting groove is formed in the outer side face of the end cap part, a sealing ring is placed in the first mounting groove, and the outer side face of the sealing ring is opposite to the inner side wall position of an opening of the relative hub body.
5. The end cap sealing structure of a novel bicycle hub according to claim 4, wherein annular arc-shaped grooves are formed in the mounting positions of the sealing rings of the two ends of the hub body relative to the end cap portions, the sealing rings are arranged between the first mounting grooves and the arc-shaped grooves, and the arc-shaped groove cambered surfaces are in fit with the outer contours of the sealing rings.
6. The end cap sealing structure of a novel bicycle hub according to claim 4, further comprising a blocking wing structure, wherein the outer side surface of the end cap part is further provided with a blocking wing structure in an outward protruding mode, and the blocking wing structure is arranged at the outer end faces of the openings at the two ends of the hub body, so that an L-shaped gap is formed between the end cap part and the hub body.
7. The end cap sealing structure of the novel bicycle hub according to claim 1, wherein a clamping rubber ring is further arranged between the end cap part and the shaft core, a second mounting groove is formed in the inner side surface of the end cap part relative to the shaft core, and a clamping rubber ring is arranged in the second mounting groove and is abutted against the shaft core.
8. The end cap sealing structure of a novel bicycle hub according to claim 1, wherein a threaded structure is arranged between the end cap part and the shaft core, the inner side surface of the end cap part relative to the shaft core is provided with an inner thread, the outer side surfaces of two ends of the shaft core are provided with outer threads, and the end cap part is fixedly connected with the shaft core in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393877.6U CN219262996U (en) | 2023-03-06 | 2023-03-06 | Novel end cap sealing structure of bicycle hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393877.6U CN219262996U (en) | 2023-03-06 | 2023-03-06 | Novel end cap sealing structure of bicycle hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219262996U true CN219262996U (en) | 2023-06-27 |
Family
ID=86864047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320393877.6U Active CN219262996U (en) | 2023-03-06 | 2023-03-06 | Novel end cap sealing structure of bicycle hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219262996U (en) |
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2023
- 2023-03-06 CN CN202320393877.6U patent/CN219262996U/en active Active
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