CN220332883U - High-efficient waterproof dustproof bicycle axis - Google Patents
High-efficient waterproof dustproof bicycle axis Download PDFInfo
- Publication number
- CN220332883U CN220332883U CN202321809948.2U CN202321809948U CN220332883U CN 220332883 U CN220332883 U CN 220332883U CN 202321809948 U CN202321809948 U CN 202321809948U CN 220332883 U CN220332883 U CN 220332883U
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- China
- Prior art keywords
- shaft
- bowl
- sealing
- fixedly connected
- close
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims description 20
- 239000000428 dust Substances 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005406 washing 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
Landscapes
- Sealing Devices (AREA)
Abstract
The utility model relates to the technical field of bicycles and discloses a high-efficiency waterproof dustproof bicycle center shaft which comprises a shaft rod, wherein center shaft bowls are rotatably connected to the peripheries of the front end and the rear end of the shaft rod, clamping rings are fixedly connected to the peripheries of the center shaft bowls, sealing grooves are formed in the sides, close to the clamping rings, of the center shaft bowls, springs which are uniformly distributed are fixedly connected to the opposite sides of the sealing grooves, annular plates are fixedly connected to the ends, close to the springs, of the annular plates, sealing rings II are fixedly connected to the sides, close to the ends, of the center shaft bowls, far away from the ends, of the center shaft bowls, grooves are formed in the middle parts of the center shaft bowls, and sealing rings I are clamped in the grooves. According to the utility model, the second sealing ring is always fastened to prevent water stains and dust from entering from the position between the middle shaft bowl and the mounting shell, and the first sealing ring arranged in the groove between the middle shaft bowl and the shaft rod can prevent water stains and dust from entering from the position between the middle shaft bowl and the shaft rod, so that the middle shaft has an efficient waterproof and dustproof effect.
Description
Technical Field
The utility model relates to the technical field of bicycles, in particular to a high-efficiency waterproof dustproof bicycle center shaft.
Background
The bicycle is also called a pedal cycle or a bicycle, people drive wheels to rotate by pedaling as power, and is a green and environment-friendly transportation tool, which mainly comprises a body part, a transmission part, a movement part and a safety device, and in each part of the bicycle, three main bearings, namely a front shaft, a middle shaft and a rear shaft, are arranged besides some small bearings, wherein the front shaft and the rear shaft only need to bear bending moment and do not rotate, the front shaft and the rear shaft belong to a fixed mandrel, the middle shaft bear bending moment and torque, the middle shaft belongs to a rotating shaft, and the middle shaft is a shaft used for connecting pedals, so that the quality of the middle shaft can influence the pedaling experience of a driver.
The axis that current is commonly used is in the use, though has certain waterproof dustproof performance, and when riding or washing the clearance to the vehicle in the rainy day, still have water stain to enter into the axis is inside, can influence inside lubrication and rust condition to can appear abnormal sound when riding, from this, it is not ideal to see its waterproof dustproof effect of current common axis.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a high-efficiency waterproof dustproof bicycle center shaft.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a high-efficient waterproof dust protected bicycle axis, includes the axostylus axostyle, the equal rotation of end periphery is connected with the axis bowl around the axostylus axostyle, the equal fixedly connected with rand in axis bowl periphery, the rand all is provided with the seal groove near one side mutually, the equal fixedly connected with evenly distributed's of opposite side spring in the seal groove, the equal fixedly connected with annular plate of one end that the spring is close to mutually, the equal fixedly connected with sealing washer second of one side that the annular plate is close to mutually, the axis bowl is kept away from one end middle part mutually all is provided with the recess, equal block has sealing washer first in the recess.
As a further description of the above technical solution:
the bearing is rotationally connected to the periphery of the front end and the rear end of the middle part of the shaft rod, the outer periphery of the bearing is rotationally connected with the outer shell, the outer periphery of the outer shell is sleeved with the mounting shell, the inner sides of the middle shaft bowl, which are close to one end, are sleeved with the periphery of the limiting shell, and the middle shaft bowl, which is close to one end, is externally Zhou Jun in threaded connection with the inner wall of the mounting shell.
As a further description of the above technical solution:
the middle part periphery that the axis bowl kept away from one end mutually all is provided with the mounting groove, the mounting groove inner wall outside all is provided with evenly distributed's tooth's socket.
As a further description of the above technical solution:
and the first sealing ring is respectively attached to the inner wall of the groove and the outer wall of the shaft rod, and one side, far away from the annular plate, of the second sealing ring is attached to the front end and the rear end of the installation shell.
As a further description of the above technical solution:
the bearing is close to one side and all laminates there is the shaft shoulder, the equal fixed connection of shaft shoulder is in the axostylus axostyle periphery, shell inner wall middle part fixedly connected with spacing shell.
As a further description of the above technical solution:
the seal groove is internally provided with a seal groove inner wall and a seal groove outer wall, wherein the seal groove inner wall is fixedly connected with a baffle ring at the outer side of one end of the seal groove inner side, and the annular plate is slidably connected with the seal groove inner wall.
As a further description of the above technical solution:
the connecting rod is fixedly connected with the front end and the rear end of the shaft rod, threaded holes are formed in the middle of one end, far away from the shaft rod, of the connecting rod, center shaft screws are connected with center shaft screws in a threaded mode, and inner hexagonal openings are formed in the end, far away from each other, of each center shaft screw.
The utility model has the following beneficial effects:
according to the utility model, when the middle shaft bowl is screwed into the installation shell, the second sealing ring is contacted with the groove at the periphery of the middle part of the front end and the rear end of the installation shell, the annular plate is pushed to move towards the sealing groove to extrude the spring, and the second sealing ring is also reversely pushed to extrude the installation shell under the action of the spring, so that the second sealing ring is always fastened, water stains and dust are prevented from entering from between the middle shaft bowl and the installation shell, and meanwhile, the first sealing ring arranged in the groove between the middle shaft bowl and the shaft rod can prevent the water stains and dust from entering from between the middle shaft bowl and the shaft rod, so that the middle shaft has an efficient waterproof and dustproof effect.
Drawings
FIG. 1 is a front perspective view of a highly efficient waterproof and dustproof bicycle bottom bracket that is provided by the present utility model;
FIG. 2 is a front view of a highly efficient waterproof and dustproof bicycle bottom bracket that is constructed in accordance with the present utility model;
FIG. 3 is a side cross-sectional view of a highly efficient waterproof and dustproof bicycle bottom bracket that is constructed in accordance with the present utility model;
fig. 4 is an enlarged view at a in fig. 3.
Legend description:
1. a shaft lever; 2. a groove; 3. a first sealing ring; 4. a center shaft screw; 5. a collar; 6. a middle shaft bowl; 7. tooth slots; 8. a mounting groove; 9. a connecting rod; 10. a mounting shell; 11. a spring; 12. sealing grooves; 13. a ring plate; 14. a second sealing ring; 15. a baffle ring; 16. an inner hexagonal opening; 17. a threaded hole; 18. a shaft shoulder; 19. a housing; 20. a limit shell; 21. and (3) a bearing.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a high-efficient waterproof dust protected bicycle axis, including axostylus axostyle 1, the equal rotation of axostylus axostyle 1 front and back end periphery is connected with axis bowl 6, axis bowl 6 periphery all fixedly connected with collar 5, collar 5 all is provided with seal groove 12 in one side that is close to mutually, the spring 11 of equal fixedly connected with evenly distributed in the opposite side in seal groove 12, spring 11 is close to one end all fixedly connected with annular plate 13 in the same side that is close to mutually, annular plate 13 all fixedly connected with sealing washer second 14, when the centering axle is installed, because connect through the screw thread between axis bowl 6 and the installation shell 10, therefore when screwing in axis bowl 6 into installation shell 10, sealing washer second 14 can contact with the groove of installation shell 10 front and back end middle part periphery, and along with axis bowl 6 is the deeper in installation shell 10, sealing washer second 14 can receive the extrusion and promote annular plate 13 to remove and extrude the spring 11 of connection in seal groove 12, when center axis bowl 6 is completely screwed in, under the effect of spring 11, also can reverse promotion sealing washer second 14 extrudes installation shell 10, thereby make sealing washer second 14 remain fastening throughout, prevent water stain and dust from getting into from center axis bowl 6 and installation shell 6 from getting into the recess 2 from the time, thereby the axis bowl 2 is arranged in the axial has the well 2, and the dust is far away from the axial bowl 3, thereby prevent that the axis bowl 2 from having the effect between axis bowl 1 and the axial bowl 2 from having the axial bowl 3.
The outer circumferences of the front end and the rear end of the middle part of the shaft lever 1 are respectively rotationally connected with a bearing 21, the outer circumferences of the bearings 21 are respectively rotationally connected with a shell 19, the outer circumferences of the shells 19 are sleeved with a mounting shell 10, the inner sides of the middle shaft bowl 6 close to one ends are respectively sleeved with the outer circumferences of the limiting shells 20, the middle shaft bowl 6 is mutually close to one end and is externally connected with the inner wall of the mounting shell 10 through Zhou Jun threads, the middle shaft body can be formed by connecting the shaft lever 1, the bearings 21 and the shells 19, then the middle shaft is mounted in the self-running middle shaft mounting shell 10 through the middle shaft bowl 6 at the front end and the rear end for fixing, the middle shaft bowl 6 is mutually far away from the outer circumferences of the middle part of one end and is respectively provided with a mounting groove 8, the outer sides of the inner wall of the mounting groove 8 are respectively provided with tooth grooves 7 which are uniformly distributed, the middle shaft bowl 6 is dismounted through the cooperation of a middle shaft tool and the tooth grooves 7 which are convenient for people to use, the sealing ring II 14 is attached to the front end and the rear end of the installation shell 10 at the side far away from the annular plate 13, thereby water stains and dust can be prevented from entering between the middle shaft bowl 6 and the installation shell 10 through the sealing ring II 14, water stains and dust can be prevented from entering between the middle shaft bowl 6 and the shaft rod 1 through the sealing ring I3, the shaft shoulder 18 is attached to the side close to the bearing 21, the shaft shoulder 18 is fixedly connected to the periphery of the shaft rod 1, the middle part of the inner wall of the shell 19 is fixedly connected with the limiting shell 20, the bearing 21 is conveniently installed and positioned relative to the shaft rod 1 and the shell 19 through the shaft shoulder 18 and the limiting shell 20, the retaining ring 15 is fixedly connected to the outer side close to one end in the sealing groove 12, the annular plate 13 is slidably connected to the inner wall of the sealing groove 12, the annular plate 13 can be prevented from sliding out of the sealing groove 12 through the retaining ring 15, the sealing groove 12 can limit the annular plate 13 at the same time, the stability of the movement of the annular plate 13 in the sealing groove 12 is ensured, the equal fixedly connected with connecting rod 9 of front and back end of axostylus axostyle 1, connecting rod 9 keep away from axostylus axostyle 1 one end middle part all and are provided with screw hole 17, and equal threaded connection has axis screw 4 in the screw hole 17, and axis screw 4 keeps away from the one end mutually and all is provided with interior hexagonal mouth 16, can install crank and tooth dish through being provided with connecting rod 9, can fix crank and tooth dish through screw hole 17 and axis screw 4 simultaneously.
Working principle: in the practical use process, when the middle shaft is installed, as the middle shaft bowl 6 is connected with the installation shell 10 through threads, when the middle shaft bowl 6 is screwed into the installation shell 10, the second sealing ring 14 is contacted with the groove at the middle periphery of the front end and the rear end of the installation shell 10, and along with the deeper the middle shaft bowl 6 is screwed into the installation shell 10, the second sealing ring 14 is extruded, pushes the annular plate 13 to move into the sealing groove 12 and extrude the connected spring 11, and when the middle shaft bowl 6 is completely screwed, the second sealing ring 14 is pushed reversely to extrude the installation shell 10 under the action of the spring 11, so that the second sealing ring 14 is always fastened, water stains and dust are prevented from entering between the middle shaft bowl 6 and the installation shell 10, and meanwhile, the first sealing ring 3 arranged in the groove 2 between the middle shaft bowl 6 and the shaft rod 1 can be prevented from entering between the middle shaft bowl 6 and the shaft rod 1, so that the middle shaft has the efficient waterproof and dustproof effects.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model 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 described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a high-efficient waterproof dustproof formula bicycle axis, includes axostylus axostyle (1), its characterized in that: the novel sealing device is characterized in that the middle shaft bowl (6) is rotationally connected to the periphery of the front end and the periphery of the shaft rod (1), the collar (5) is fixedly connected to the periphery of the middle shaft bowl (6), the sealing grooves (12) are formed in the side, close to each other, of the collar (5), springs (11) are uniformly distributed on the opposite sides of the sealing grooves (12), the springs (11) are fixedly connected with annular plates (13) at the positions, close to each other, of the annular plates (13), are fixedly connected with sealing rings (14) at the positions, close to each other, of the middle shaft bowl (6), grooves (2) are formed in the middle of the position, away from each other, of the middle shaft bowl (6), and sealing rings (3) are clamped in the grooves (2).
2. The efficient waterproof and dustproof bicycle bottom bracket of claim 1, wherein: the novel bearing is characterized in that bearings (21) are rotatably connected to the outer periphery of the front end and the rear end of the middle of the shaft lever (1), a shell (19) is rotatably connected to the outer periphery of the bearings (21), a mounting shell (10) is sleeved on the outer periphery of the shell (19), the inner sides of the middle shaft bowl (6) close to one end are sleeved on the outer periphery of the limiting shell (20), and the middle shaft bowl (6) is connected to the inner wall of the mounting shell (10) close to one end through threads.
3. The efficient waterproof and dustproof bicycle bottom bracket of claim 1, wherein: the middle shaft bowl (6) is far away from the middle part periphery of one end, and is provided with mounting groove (8), the outside of mounting groove (8) inner wall all is provided with evenly distributed's tooth's socket (7).
4. The efficient waterproof and dustproof bicycle bottom bracket of claim 1, wherein: the first sealing ring (3) is respectively attached to the inner wall of the groove (2) and the outer wall of the shaft lever (1), and one side, far away from the annular plate (13), of the second sealing ring (14) is attached to the front end and the rear end of the installation shell (10).
5. The efficient waterproof and dustproof bicycle bottom bracket of claim 2, wherein: the bearing (21) is close to one side and is all laminated with shoulder (18), shoulder (18) all fixed connection is in axostylus axostyle (1) periphery, shell (19) inner wall middle part fixedly connected with spacing shell (20).
6. The efficient waterproof and dustproof bicycle bottom bracket of claim 1, wherein: the inner side of the sealing groove (12) close to the outer side of one end is fixedly connected with a baffle ring (15), and the annular plates (13) are all connected to the inner wall of the sealing groove (12) in a sliding mode.
7. The efficient waterproof and dustproof bicycle bottom bracket of claim 1, wherein: the novel connecting rod is characterized in that connecting rods (9) are fixedly connected to the front end and the rear end of the shaft rod (1), threaded holes (17) are formed in the middle of one end, far away from the shaft rod (1), of the connecting rods (9), center shaft screws (4) are connected in the threaded holes (17) in a threaded mode, and inner hexagonal openings (16) are formed in the end, far away from the center shaft screws (4), of each center shaft screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809948.2U CN220332883U (en) | 2023-07-11 | 2023-07-11 | High-efficient waterproof dustproof bicycle axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321809948.2U CN220332883U (en) | 2023-07-11 | 2023-07-11 | High-efficient waterproof dustproof bicycle axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220332883U true CN220332883U (en) | 2024-01-12 |
Family
ID=89449158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321809948.2U Active CN220332883U (en) | 2023-07-11 | 2023-07-11 | High-efficient waterproof dustproof bicycle axis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220332883U (en) |
-
2023
- 2023-07-11 CN CN202321809948.2U patent/CN220332883U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |