CN211417515U - Bicycle axle fixing device - Google Patents
Bicycle axle fixing device Download PDFInfo
- Publication number
- CN211417515U CN211417515U CN201922159898.8U CN201922159898U CN211417515U CN 211417515 U CN211417515 U CN 211417515U CN 201922159898 U CN201922159898 U CN 201922159898U CN 211417515 U CN211417515 U CN 211417515U
- Authority
- CN
- China
- Prior art keywords
- wall
- fixing device
- nut
- lubricating
- axle fixing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 14
- 208000032765 Device extrusion Diseases 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
The utility model belongs to the technical field of the bicycle, especially, bicycle axle fixing device, including the axis, the adapter sleeve has been cup jointed in centraxonial surface activity, the mounting groove has all been seted up to the both ends surface of adapter sleeve, the first connecting block of inner wall fixedly connected with of mounting groove, first connecting groove has been seted up to a side surface of first connecting block, centraxonial surface activity has cup jointed the fastening block, the second spread groove has been seted up to a side surface of fastening block, the inside of first connecting groove and second spread groove is provided with the ball, centraxonial surface threaded connection has the nut, the installation cavity has been seted up to the inner wall of nut. This bicycle axle fixing device has reached and has carried out spacing locking effect to the nut to having solved current centraxonial long-time use of bicycle, can having made the nut not hard up, having made rotating device's extrusion force reduce, lead to the axis to lose fixedly, increased the problem of the personnel's of riding danger degree.
Description
Technical Field
The utility model relates to a bicycle technical field especially relates to a bicycle axle fixing device.
Background
The bicycle is a small land vehicle driven by treading pedals manually, is usually a double-wheel vehicle, but also has three wheels, can be used as an environment-friendly vehicle for riding instead of walking and going out, and can also be used as a body-building apparatus for riding exercise and bicycle traveling. The bicycle is also a sports competition, and includes road bike racing, mountain bike racing, field bike racing and special bike racing;
when fixing, the existing bicycle middle axle generally extrudes the rotating device through the nut, and then fixes the bicycle middle axle.
SUMMERY OF THE UTILITY MODEL
Based on current centraxonial long-time use of bicycle, can make the nut not hard up for rotating device's extrusion force reduces, leads to the axis to lose fixedly, has increased the technical problem of personnel's of riding danger degree, the utility model provides a bicycle axle fixing device.
The utility model provides a bicycle axle fixing device, including the axis, the surface activity of axis has cup jointed the adapter sleeve, the mounting groove has all been seted up to the both ends surface of adapter sleeve, the inner wall of mounting groove fixedly connected with first connecting block, a side surface of first connecting block has seted up first connecting groove, the surface activity of axis has cup jointed the fastening block, a side surface of fastening block has seted up the second connecting groove, the inside of first connecting groove and second connecting groove is provided with the ball, the surface threaded connection of axis has the nut, the inner wall of nut has seted up the installation cavity;
the inner wall of the mounting cavity is fixedly connected with a lubricating device;
the middle shaft is characterized in that a threaded hole is formed in the surface of one end of the middle shaft, and a locking device is arranged on the inner wall of the threaded hole and comprises a bolt.
Preferably, the lubricating device comprises an oil tank, and the outer surface of the oil tank is fixedly connected with the inner wall of the mounting cavity;
through above-mentioned scheme, reached and installed the oil tank, and then deposited the effect of lubricating oil.
Preferably, the inner bottom wall of the oil tank is provided with a lubricating port, and the inner wall of the lubricating port is fixedly connected with a lubricating pipe;
through above-mentioned scheme, reached the effect of lubricating to the screw thread on countershaft surface.
Preferably, the inner wall of the lubricating pipe is convex, the inner wall of the lubricating pipe is fixedly connected with a pressure spring, and a free end of one end of the pressure spring is fixedly connected with a sealing ball;
through above-mentioned scheme, reached the control and carried out the effect controlled to opening and shutting of lubricated pipe.
Preferably, the outer surface of the sealing ball is movably inserted into the inner wall of the lubricating pipe, and the inner wall of the lubricating pipe is movably sleeved with the threaded surface on the surface of the middle shaft.
Preferably, the outer surface of the bolt is in threaded connection with the inner wall of the threaded hole, the outer surface of the middle shaft is provided with a fastening port, and the inner wall of the fastening port is movably inserted with an anti-loosening block;
through above-mentioned scheme, reached and placed the fastening block and fastened the effect to the bolt.
Preferably, the lower surface of the anti-loosening block is in contact with the surface of the bolt, and one end surface of the anti-loosening block is in contact with the inner wall of the nut;
through above-mentioned scheme, reached and fastened and locking effect to the nut inner wall.
The utility model provides a beneficial effect does:
1. through the surface that sets up the bolt and the inner wall threaded connection of screw hole, fastening mouth has been seted up to centraxonial surface, and the inner wall activity of fastening mouth is pegged graft and is had the fastening block, has reached and has carried out spacing locking effect to the nut to solved current centraxonial long-time use of bicycle, can make the nut not hard up, make rotating device's extrusion force reduce, lead to the axis to lose fixedly, increased the problem of personnel's of riding danger degree.
Drawings
FIG. 1 is a schematic view of a bicycle axle fixing device in accordance with the present invention;
fig. 2 is a sectional view of a middle axle structure of the bicycle axle fixing device provided by the present invention;
fig. 3 is an enlarged view of a structure at a position a in fig. 2 of the bicycle axle fixing device of the present invention.
In the figure: 1. a middle shaft; 2. connecting sleeves; 3. mounting grooves; 4. a first connection block; 5. a fastening block; 6. a ball bearing; 7. a nut; 8. a mounting cavity; 9. a bolt; 91. a threaded hole; 10. an oil tank; 11. lubricating the opening; 12. a lubrication tube; 13. a pressure spring; 14. a sealing ball; 15. a fastening opening; 16. anti-loosening blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a bicycle axle fixing device, as shown in fig. 1-3, includes a center shaft 1, a connecting sleeve 2 is movably sleeved on the outer surface of the center shaft 1, mounting grooves 3 are respectively formed on the two end surfaces of the connecting sleeve 2, a first connecting block 4 is fixedly connected to the inner wall of the mounting groove 3, a first connecting groove is formed on one side surface of the first connecting block 4, a fastening block 5 is movably sleeved on the outer surface of the center shaft 1, a second connecting groove is formed on one side surface of the fastening block 5, balls 6 are arranged inside the first connecting groove and the second connecting groove, a nut 7 is connected to the outer surface of the center shaft 1 through a screw thread, and a mounting cavity 8 is formed on the;
as shown in fig. 3, a lubricating device is fixedly connected to the inner wall of the mounting cavity 8, the lubricating device includes an oil tank 10, the outer surface of the oil tank 10 is fixedly connected to the inner wall of the mounting cavity 8, a lubricating port 11 is formed in the inner bottom wall of the oil tank 10, a lubricating tube 12 is fixedly connected to the inner wall of the lubricating port 11, the inner wall of the lubricating tube 12 is convex, a pressure spring 13 is fixedly connected to the inner wall of the lubricating tube 12, a sealing ball 14 is fixedly connected to a free end of the pressure spring 13, the outer surface of the sealing ball 14 is movably inserted into the inner wall of the lubricating tube 12, and the inner wall of the lubricating tube 12 is movably sleeved on the threaded;
as shown in fig. 1-3, threaded hole 91 is opened on one end surface of axis 1, the inner wall of threaded hole 91 is provided with locking device, locking device includes bolt 9, the surface of bolt 9 and the inner wall threaded connection of threaded hole 91, fastening hole 15 has been opened on the surface of axis 1, the inner wall activity grafting of fastening hole 15 has anti-loose piece 16, the lower surface of anti-loose piece 16 contacts with the surface of bolt 9, the one end surface of anti-loose piece 16 contacts with the inner wall of nut 7, the effect of spacing locking is carried out to nut 7 has been reached, thereby current bicycle axis 1's long-time use has been solved, can make nut 7 become flexible, make rotating device's extrusion force reduce, lead to axis 1 to lose fixedly, the problem of personnel's the dangerous degree of riding has been increased.
The working principle is as follows: when the middle shaft 1 needs to be fixed, the nut 7 is screwed on the middle shaft 1, the nut 7 extrudes the fastening block 5, the sealing ball 14 is extruded by the threads on the surface of the middle shaft 1, the sealing ball 14 retracts into the lubricating pipe 12, the lubricating oil lubricates the threads on the surface of the middle shaft 1, the bolt 9 is screwed into the threaded hole 91, the bolt 9 extrudes the anti-loosening block 16, and then the anti-loosening block 16 extrudes the inner wall of the nut 7 to loosen the nut 7.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A bicycle axle fixing device comprises a middle shaft (1), and is characterized in that: the outer surface of the middle shaft (1) is movably sleeved with a connecting sleeve (2), mounting grooves (3) are formed in the surfaces of two ends of the connecting sleeve (2), a first connecting block (4) is fixedly connected to the inner wall of each mounting groove (3), a first connecting groove is formed in the surface of one side of each first connecting block (4), a fastening block (5) is movably sleeved on the outer surface of the middle shaft (1), a second connecting groove is formed in the surface of one side of each fastening block (5), balls (6) are arranged inside each first connecting groove and each second connecting groove, a nut (7) is connected to the outer surface of the middle shaft (1) in a threaded mode, and a mounting cavity (8) is formed in the inner wall of each nut (7);
the inner wall of the mounting cavity (8) is fixedly connected with a lubricating device;
a threaded hole (91) is formed in the surface of one end of the middle shaft (1), and a locking device is arranged on the inner wall of the threaded hole (91) and comprises a bolt (9).
2. A bicycle axle fixing device according to claim 1, wherein: the lubricating device comprises an oil tank (10), and the outer surface of the oil tank (10) is fixedly connected with the inner wall of the mounting cavity (8).
3. A bicycle axle fixing device according to claim 2, wherein: the lubricating device is characterized in that a lubricating port (11) is formed in the inner bottom wall of the oil tank (10), and a lubricating pipe (12) is fixedly connected to the inner wall of the lubricating port (11).
4. A bicycle axle fixing device according to claim 3, wherein: the inner wall of the lubricating pipe (12) is convex, the inner wall of the lubricating pipe (12) is fixedly connected with a pressure spring (13), and the free end of one end of the pressure spring (13) is fixedly connected with a sealing ball (14).
5. The bicycle axle fixing device according to claim 4, wherein: the outer surface of the sealing ball (14) is movably inserted into the inner wall of the lubricating pipe (12), and the inner wall of the lubricating pipe (12) is movably sleeved with the threaded surface on the surface of the middle shaft (1).
6. A bicycle axle fixing device according to claim 1, wherein: the outer surface of the bolt (9) is in threaded connection with the inner wall of the threaded hole (91), the outer surface of the middle shaft (1) is provided with a fastening port (15), and an anti-loosening block (16) is movably inserted into the inner wall of the fastening port (15).
7. The bicycle axle fixing device according to claim 6, wherein: the lower surface of the anti-loosening block (16) is in contact with the surface of the bolt (9), and one end surface of the anti-loosening block (16) is in contact with the inner wall of the nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159898.8U CN211417515U (en) | 2019-12-05 | 2019-12-05 | Bicycle axle fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922159898.8U CN211417515U (en) | 2019-12-05 | 2019-12-05 | Bicycle axle fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211417515U true CN211417515U (en) | 2020-09-04 |
Family
ID=72254227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922159898.8U Expired - Fee Related CN211417515U (en) | 2019-12-05 | 2019-12-05 | Bicycle axle fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211417515U (en) |
-
2019
- 2019-12-05 CN CN201922159898.8U patent/CN211417515U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |