CN219236663U - Barrel shaft and quick-dismantling interchangeable end cap structure of bicycle hub - Google Patents
Barrel shaft and quick-dismantling interchangeable end cap structure of bicycle hub Download PDFInfo
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- CN219236663U CN219236663U CN202320499492.8U CN202320499492U CN219236663U CN 219236663 U CN219236663 U CN 219236663U CN 202320499492 U CN202320499492 U CN 202320499492U CN 219236663 U CN219236663 U CN 219236663U
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- end cap
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- sealing ring
- release
- mounting groove
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- 238000007789 sealing Methods 0.000 claims description 65
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 16
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 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
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 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
- 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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Abstract
The utility model provides a barrel shaft and quick-release interchangeable end cap structure of a bicycle hub, which comprises a hub body, bearings, barrel shaft end caps, an inner sleeve and a quick-release end cap, wherein the bearings are fixedly arranged at two ends of an inner cavity of the hub body, the barrel shaft end caps are arranged at the outer sides of the two bearings and close to openings at the left side and the right side of the hub body, the inner sleeves are fixedly arranged at the inner sides of the two bearings, the barrel shaft end caps, the inner diameters of the bearings and the inner sleeve are matched with the outer diameter of a barrel shaft core, the inner hole of the barrel shaft end cap is also provided with the quick-release end cap in a penetrating manner, the outer diameter of the quick-release end cap is matched with the inner diameter of the barrel shaft end cap, and the inner diameter of the quick-release end cap is matched with the outer diameter of a quick-release rod. When the barrel shaft is required to be used, the quick-release end cap is quickly pulled out and taken down for installation, and when the quick-release end cap is required to be used, the quick-release end cap is inserted into the inner hole of the barrel shaft end cap, so that quick conversion can be completed, the number of components to be removed is reduced, and the exchange efficiency is greatly improved.
Description
Technical Field
The utility model relates to the field of bicycle hub structures, in particular to a barrel shaft and quick-dismantling interchangeable end cap structure of a bicycle hub.
Background
The hub end cap is a structural component for connecting the frame gear opening hook claw on the outer side of the shaft, commonly called an end cap nut, is an indispensable component of a bicycle, mainly comprises a wheel shaft positioning part and a transmission wheel rim rotating part, is various in the market, is different in types, 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 general hub drum shaft end cap and the quick-release end cap of the bicycle are respectively independent and separate to use, so that the size is limited, the barrel shaft end cap is fixed, when the quick-release end cap is required to be used in a conversion mode, the barrel shaft end cap can only be removed with effort, and then the quick-release end cap is arranged for use, and otherwise, the time and effort are consumed during the exchange, and the matching surface of the side cover and the hub body is worn. Therefore, we propose a novel end cap conversion structure of bicycle hub.
What is needed is a new type of bicycle hub barrel shaft and quick release interchangeable end cap structure that solves the above-mentioned problems.
Disclosure of Invention
The utility model provides a barrel shaft and quick-dismantling interchangeable end cap structure of a bicycle hub, which solves the problems that a side cover is worn and the assembly installation efficiency is low when the barrel shaft and the quick-dismantling shaft are interchanged by the existing hub through technical improvement of the existing bicycle hub structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a bucket axle of bicycle flower-drum and quick detach interchange formula end cap structure, includes flower-drum body, bearing, bucket axle end cap, interior sleeve pipe and quick detach end cap, flower-drum body inner chamber both ends position fixed mounting has the bearing, and two bearing outsides are close to flower-drum body left and right sides opening part and install bucket axle end cap, and two inboard fixed mounting of bearing has interior sleeve pipe, bucket axle end cap, bearing and interior sleeve pipe internal diameter and bucket axle core external diameter size phase-match, bucket axle end cap hole still wears to be equipped with the quick detach end cap, quick detach end cap external diameter and bucket axle end cap internal diameter size phase-match, quick detach end cap internal diameter and quick detach pole external diameter size phase-match.
Preferably, the inner sleeve is fixedly arranged between the inner ring side walls of the two bearings.
Preferably, the quick-release end cap is arranged to sequentially penetrate through the barrel shaft end cap, the bearing and the inner sleeve from outside to inside.
Preferably, the annular first sealing ring mounting groove is formed in the outer side face of the quick-dismantling end cap, the first sealing ring mounting groove is arranged at the position of the side wall of the inner cavity of the barrel shaft end cap, the first sealing ring is arranged in the first sealing ring mounting groove, and the first sealing ring is respectively in abutting arrangement with the first sealing ring mounting groove and the side wall of the inner cavity of the barrel shaft end cap.
Preferably, the annular second sealing ring mounting groove is formed in the outer side face of the quick-dismantling end cap, the second sealing ring mounting groove is arranged at the position corresponding to the side wall of the bearing inner ring, a second sealing ring is arranged in the second sealing ring mounting groove, and the second sealing ring is respectively in abutting arrangement with the second sealing ring mounting groove and the side wall of the bearing inner ring.
Preferably, the annular third sealing ring mounting groove is formed in the outer side face of the quick-dismantling end cap, the third sealing ring mounting groove is arranged at the position corresponding to the inner wall of the inner sleeve, a third sealing ring is mounted in the third sealing ring mounting groove, and the third sealing ring is respectively in abutting arrangement with the third sealing ring mounting groove and the inner wall of the inner sleeve.
Preferably, the outer end face of the inner hole of the barrel shaft end cap is further provided with an annular limiting step structure, a blocking wing structure is outwards arranged on the side wall of one end of the quick-release end cap in an extending mode, and the blocking wing structure is clamped with the limiting step structure.
Preferably, the side cover structure for preventing and limiting the shaft end cap of the barrel is fixedly arranged at the openings at the left side and the right side of the hub body in a tight fit manner.
The utility model has the beneficial effects that:
the quick-dismantling end cap is inserted into the inner hole of the shaft end cap of the barrel, and is tightly connected with the inner hole by the sealing ring, so that the quick-dismantling end cap is not easy to fall off and has excellent sealing effect.
When the barrel shaft is required to be used, the quick-release end cap is quickly pulled out and taken down for installation, and when the quick-release end cap is required to be used, the quick-release end cap is inserted into the inner hole of the barrel shaft end cap, so that quick conversion can be completed, the number of components to be removed is reduced, and the exchange efficiency is greatly improved.
The utility model has the advantages of unified components, convenient installation, greatly improved efficiency and the like, and solves the problem that the end cap with limited size is easy to damage in the assembly.
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 the present utility model using a tub shaft;
FIG. 4 is a schematic cross-sectional view of the quick release lever according to the present utility model;
reference numerals illustrate: the hub body 1, the bearing 2, the barrel shaft end cap 3, the limit step structure 31, the inner sleeve 4, the quick-release end cap 5, the first sealing ring mounting groove 51, the first sealing ring 52, the second sealing ring mounting groove 53, the second sealing ring 54, the third sealing ring mounting groove 55, the third sealing ring 56, the blocking wing structure 57 and the side cover structure 6.
Detailed Description
The details of the present utility model are described below in conjunction with the accompanying drawings and examples.
Referring to fig. 1-4, the utility model provides a drum shaft and quick-release interchangeable end cap structure of a bicycle hub, which comprises a hub body 1, bearings 2, a drum shaft end cap 3, an inner sleeve 4 and a quick-release end cap 5, wherein the bearings 2 are fixedly arranged at two ends of an inner cavity of the hub body 1, the drum shaft end caps 3 are arranged at the outer sides of the two bearings 2 and close to openings at the left side and the right side of the hub body 1, the inner sleeves 4 are fixedly arranged at the inner sides of the two bearings 2, the inner diameters of the drum shaft end cap 3, the bearings 2 and the inner sleeves 4 are matched with the outer diameter of a drum shaft core, the quick-release end cap 5 is also arranged in an inner hole of the drum shaft end cap 3 in a penetrating manner, the outer diameter of the quick-release end cap 5 is matched with the inner diameter of the drum shaft end cap 3, and the inner diameter of the quick-release end cap 5 is matched with the outer diameter of a quick-release rod. The inner sleeve 4 is fixedly arranged between the inner ring side walls of the two bearings 2.
When the quick-release rod is required to be used, the quick-release rod penetrates through the quick-release end cap 5 to be inserted into the barrel shaft end cap 3 for fixed installation, when the barrel shaft is required to be used, the quick-release end cap 5 is discharged from the barrel shaft end cap 3, the barrel shaft is inserted into the barrel shaft end cap 3 for fixed installation, the use is more convenient, and the conversion efficiency is higher.
Further, in order to obtain a more stable installation effect, the quick-release end cap 5 is installed more tightly, and cannot easily fall off from the barrel shaft end cap 3, and the quick-release end cap 5 sequentially penetrates through the barrel shaft end cap 3, the bearing 2 and the inner sleeve 4 from outside to inside. The two ends of the flower-drum body are respectively provided with corresponding quick-release end caps 5 which are arranged in the flower-drum body 1.
Further, in order to enable the quick-release end cap 5 to be installed more tightly with the barrel shaft end cap 3, the waterproof and dustproof sealing performance is better, an annular first sealing ring installation groove 51 is formed in the outer side face of the quick-release end cap 5, the first sealing ring installation groove 51 is arranged at the position of the inner cavity side wall of the barrel shaft end cap 3 relatively, a first sealing ring 52 is installed in the first sealing ring installation groove 51, and the first sealing ring 52 is arranged in a manner of being in contact with the first sealing ring installation groove 51 and the inner cavity side wall of the barrel shaft end cap 3 respectively.
Further, in order to make quick detach end cap 5 and bearing 2 installation inseparabler, and waterproof dustproof leakproofness is better, annular second sealing washer mounting groove 53 has been seted up to quick detach end cap 5 lateral surface, second sealing washer mounting groove 53 sets up relative bearing 2 inner ring lateral wall position, install second sealing washer 54 in the second sealing washer mounting groove 53, second sealing washer 54 is contradicted with second sealing washer mounting groove 53 and bearing 2 inner ring lateral wall respectively and is set up.
Further, in order to make quick detach end cap 5 and interior sleeve pipe 4 installation inseparabler, and waterproof dustproof leakproofness is better, annular third sealing washer mounting groove 55 has been seted up to quick detach end cap 5 lateral surface, third sealing washer mounting groove 55 sets up with interior sleeve pipe 4 inner wall position relatively, install third sealing washer 56 in the third sealing washer mounting groove 55, third sealing washer 56 contradicts the setting with third sealing washer mounting groove 55 and interior sleeve pipe 4 inner wall respectively.
Further, in order to make quick detach end cap 5 and the installation of barrel shaft end cap 3 inseparabler, and keep the relative position more stable accurate, barrel shaft end cap 3 hole outer terminal surface department still is provided with annular spacing step structure 31, the outside extension is provided with the fender wing structure 57 on the quick detach end cap 5 one end lateral wall, fender wing structure 57 and spacing step structure 31 block setting.
In another embodiment 2, the outer end face of the inner hole of the barrel shaft end cap 3 is further provided with a spacing groove structure intermittently arranged at intervals, a spacing block structure is arranged on the side wall of one end of the quick-release end cap 5 in an outward extending manner, the spacing groove structure and the spacing block structure are mutually clamped, the spacing groove structure and the spacing block structure not only can limit the quick-release end cap 5 in the horizontal direction, but also can prevent the quick-release end cap 5 and the barrel shaft end cap 3 from relative rotation in the axial direction.
Further, in order to prevent the barrel shaft end cap 3 from easily falling from the openings at the two ends of the hub body 1, the openings at the left side and the right side of the hub body 1 are fixedly provided with side cover structures 6 in a tight fit manner, and the side cover structures are used for limiting the barrel shaft end cap 3.
The quick-release end cap 5 of the embodiment is inserted into the inner hole of the barrel shaft end cap 3 and is tightly connected with the barrel shaft end cap by the sealing ring, so that the barrel shaft end cap is not easy to fall off and has excellent sealing effect. According to the embodiment, when the barrel shaft is required to be used, the quick-release end cap 5 is quickly pulled out to be taken down for installation, and when the quick-release end cap 5 is required to be used, the quick-release end cap 5 is inserted into the inner hole of the barrel shaft end cap 3, so that quick conversion can be completed, the components are reduced to be removed, and the exchange efficiency is greatly improved.
The embodiment has the advantages of unified components, convenient installation, great efficiency improvement and the like, and solves the problem that the size-limited end cap is vulnerable in the assembly.
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 bucket axle of bicycle flower-drum and quick detach interchange formula end cap structure, its characterized in that, including flower-drum body, bearing, bucket axle end cap, interior sleeve pipe and quick detach end cap, flower-drum body inner chamber both ends position fixed mounting has the bearing, and two bearing outsides are close to the left and right sides opening part of flower-drum body and install bucket axle end cap, and two inboard fixed mounting of bearing has interior sleeve pipe, bucket axle end cap, bearing and interior sleeve pipe internal diameter and bucket axle core external diameter size phase-match, bucket axle end cap hole still wears to be equipped with the quick detach end cap, quick detach end cap external diameter and bucket axle end cap internal diameter size phase-match, quick detach end cap internal diameter and quick detach pole external diameter size phase-match.
2. The interchangeable end cap structure for a hub axle and quick release of a bicycle hub of claim 1, wherein said inner sleeve is fixedly disposed between inner side walls of the two bearings.
3. The structure of the interchangeable end cap for a hub axle and quick release of a bicycle of claim 1, wherein the quick release end cap is disposed through the end cap for the hub axle, the bearing and the inner sleeve in sequence from the outside to the inside.
4. The structure of an interchangeable end cap for a hub and a quick-release end cap for a bicycle according to claim 1, wherein the outer side surface of the quick-release end cap is provided with a ring-shaped first sealing ring mounting groove, the first sealing ring mounting groove is arranged at a position corresponding to the side wall of the inner cavity of the end cap for the hub, a first sealing ring is arranged in the first sealing ring mounting groove, and the first sealing ring is respectively arranged in a manner of abutting against the first sealing ring mounting groove and the side wall of the inner cavity of the end cap for the hub.
5. The structure of an exchangeable end cap for a hub axle and a quick-release end cap of a bicycle according to claim 4, wherein the outer side surface of the quick-release end cap is provided with an annular second sealing ring mounting groove, the second sealing ring mounting groove is arranged opposite to the side wall of the bearing inner ring, a second sealing ring is arranged in the second sealing ring mounting groove, and the second sealing ring is respectively in abutting arrangement with the second sealing ring mounting groove and the side wall of the bearing inner ring.
6. The structure of an interchangeable end cap for a hub axle and a quick release of a bicycle according to claim 5, wherein an annular third sealing ring mounting groove is formed on the outer side surface of the quick release end cap, the third sealing ring mounting groove is arranged at a position opposite to the inner wall of the inner sleeve, a third sealing ring is arranged in the third sealing ring mounting groove, and the third sealing ring is respectively in abutting arrangement with the third sealing ring mounting groove and the inner wall of the inner sleeve.
7. The structure of an interchangeable drum shaft and quick-release end cap of claim 1, wherein an annular limit step structure is further disposed on an outer end face of an inner hole of the drum shaft end cap, a blocking wing structure is disposed on a side wall of one end of the quick-release end cap in an outward extending manner, and the blocking wing structure is engaged with the limit step structure.
8. The structure of the interchangeable end cap for the barrel shaft and the quick detach of the hub of the bicycle according to claim 1, wherein the side cap structure for preventing and limiting the end cap of the barrel shaft is fixedly arranged at the openings at the left side and the right side of the hub body in a tight fit manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499492.8U CN219236663U (en) | 2023-03-15 | 2023-03-15 | Barrel shaft and quick-dismantling interchangeable end cap structure of bicycle hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499492.8U CN219236663U (en) | 2023-03-15 | 2023-03-15 | Barrel shaft and quick-dismantling interchangeable end cap structure of bicycle hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219236663U true CN219236663U (en) | 2023-06-23 |
Family
ID=86838224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320499492.8U Active CN219236663U (en) | 2023-03-15 | 2023-03-15 | Barrel shaft and quick-dismantling interchangeable end cap structure of bicycle hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219236663U (en) |
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2023
- 2023-03-15 CN CN202320499492.8U patent/CN219236663U/en active Active
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