CN213684924U - Mechanical transmission shaft of automobile - Google Patents
Mechanical transmission shaft of automobile Download PDFInfo
- Publication number
- CN213684924U CN213684924U CN202022151090.8U CN202022151090U CN213684924U CN 213684924 U CN213684924 U CN 213684924U CN 202022151090 U CN202022151090 U CN 202022151090U CN 213684924 U CN213684924 U CN 213684924U
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- CN
- China
- Prior art keywords
- groove
- shaft
- transmission shaft
- spline
- transmission
- 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
- 230000009347 mechanical transmission Effects 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 78
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 18
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- Motor Power Transmission Devices (AREA)
Abstract
The utility model discloses an automobile machinery transmission shaft relates to transmission shaft technical field, specifically is an automobile machinery transmission shaft, including flexible cover, axle sleeve, the sliding tray has been seted up to the inside of flexible cover, the one end of sliding tray extends to the outside of flexible cover, the spline groove has been seted up to the inner wall of sliding tray. This automobile machinery transmission shaft, cooperation through safety cover and slip gyro wheel is used, cooperate simultaneously the safety cover and cup joint of flexible cover, when making flexible cover and slip post mutual slip, the surface of spline can not contact with the air, when having avoided the central siphon of transmission shaft and flexible cover to change the distance between gearbox and the transaxle, the spline contacts with the air, can bring into flexible cover the dust in the air, the frictional force of spline and flexible cover has been increased, the problem of transmission shaft wearing and tearing with higher speed, the practicality and the life of this automobile machinery transmission shaft have been improved.
Description
Technical Field
The utility model relates to a transmission shaft technical field specifically is an automobile machinery transmission shaft.
Background
The transmission shaft is an important part for transmitting power in an automobile transmission system, and has the functions of transmitting the power of an engine to wheels together with a gearbox and a drive axle to enable an automobile to generate driving force, the transmission shaft consists of a shaft tube, a telescopic sleeve and a universal joint, the telescopic sleeve can automatically adjust the change of the distance between a transmission and the drive axle, the universal joint ensures the change of an included angle between two axes of an output shaft of the transmission and an input shaft of the drive axle and realizes equal angular speed transmission of two axes, but when the distance between the gearbox and the drive axle is changed by the shaft tube and the telescopic sleeve in the transmission shaft, a part of splines can be contacted with air, dust in the air can be brought into the telescopic sleeve, the friction force between the splines and the telescopic sleeve is increased, the abrasion of the transmission shaft is accelerated, and meanwhile, if the transmission shaft is broken in the driving process of the existing automobile transmission shaft, the automobile can be stopped immediately, the requirements of the prior use cannot be met, so that an automobile mechanical transmission shaft is provided.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an automobile mechanical transmission shaft has solved the problem of proposing among the above-mentioned background art.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an automobile machinery transmission shaft, includes telescopic sleeve, axle sleeve, the sliding tray has been seted up to telescopic sleeve's inside, the one end of sliding tray extends to telescopic sleeve's outside, the spline groove has been seted up to the inner wall of sliding tray, the side fixedly connected with sliding column of axle sleeve, the surface of sliding column is provided with the spline, sliding column activity cup joints to the inner chamber of sliding tray, spline activity cup joints to the inner chamber of spline groove, reserve transmission groove has been seted up to telescopic sleeve's inside, the reserve transmission post of side fixedly connected with of axle sleeve, reserve transmission post extends to reserve transmission groove's inside, telescopic sleeve's surface joint has the slip gyro wheel, the fixed surface of axle sleeve is connected with the safety cover, the surface of slip gyro wheel is laminated with the inner wall of safety cover mutually.
Preferably, an oil conveying groove is formed in the sliding column, an oil distributing groove is formed in the surface of the spline, and one end of the oil distributing groove is communicated with the oil conveying groove.
Preferably, an oil injection groove is formed in the shaft sleeve, one end of the oil injection groove extends to the side face of the shaft sleeve and is communicated with one end of the oil conveying groove, and the other end of the oil injection groove extends to the surface of the shaft sleeve and is provided with a sealing plug in a threaded mode.
Preferably, one end of the telescopic sleeve is fixedly connected with a first universal joint fork, a first connecting shaft is movably sleeved inside the first universal joint fork, and a first connecting piece is movably sleeved on the surface of the first connecting shaft.
Preferably, one end of the shaft sleeve is fixedly connected with a second universal joint fork, a second connecting shaft is movably sleeved inside the second universal joint fork, and a second connecting piece is movably sleeved on the surface of the second connecting shaft.
Preferably, the spare transmission column is movably sleeved in the inner cavity of the spare transmission groove, and the surface of the spare transmission column is not contacted with the inner wall of the spare transmission groove.
The utility model provides an automobile mechanical transmission shaft possesses following beneficial effect:
1. this automobile machinery transmission shaft, cooperation through safety cover and slip gyro wheel is used, cooperate simultaneously the safety cover and cup joint of flexible cover, when making flexible cover and slip post mutual slip, the surface of spline can not contact with the air, when having avoided the central siphon of transmission shaft and flexible cover to change the distance between gearbox and the transaxle, the spline contacts with the air, can bring into flexible cover the dust in the air, the frictional force of spline and flexible cover has been increased, the problem of transmission shaft wearing and tearing with higher speed, the practicality and the life of this automobile machinery transmission shaft have been improved.
2. This automobile machinery transmission shaft uses through the cooperation of reserve transmission groove and reserve transmission post, and when the slip post breaks, the inner wall of reserve transmission post and reserve transmission groove contacts for the transmission shaft can continue to use a period, and the vehicle immediately stops when having avoided traditional transmission shaft to break, brings dangerous problem for navigating mate, has improved the security of this automobile machinery transmission shaft.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a front schematic view of the present invention;
FIG. 3 is a schematic cross-sectional view of the side of the present invention;
fig. 4 is an internal schematic view of the sliding column of the present invention;
fig. 5 is an internal schematic view of the telescopic sleeve of the present invention.
In the figure: 1. a telescopic sleeve; 2. a shaft sleeve; 3. a sliding post; 4. an oil delivery groove; 5. an oil distributing groove; 6. a spline; 7. a sliding groove; 8. a spline groove; 9. a spare transmission groove; 10. a standby transmission column; 11. a sliding roller; 12. a protective cover; 14. an oil injection groove; 15. a sealing plug; 16. a first universal joint fork; 17. a first connecting shaft; 18. a first connecting member; 19. a second yoke; 20. a second connecting shaft; 21. a second connecting member.
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 to 5, the present invention provides a technical solution: a mechanical transmission shaft of an automobile comprises a telescopic sleeve 1 and a shaft sleeve 2, wherein one end of the telescopic sleeve 1 is fixedly connected with a first universal joint fork 16, a first connecting shaft 17 is movably sleeved in the first universal joint fork 16, a first connecting piece 18 is movably sleeved on the surface of the first connecting shaft 17, one end of the shaft sleeve 2 is fixedly connected with a second universal joint fork 19, a second connecting shaft 20 is movably sleeved in the second universal joint fork 19, a second connecting piece 21 is movably sleeved on the surface of the second connecting shaft 20, the transmission shaft is connected with a gearbox and a drive axle by the first connecting piece 18 and the second connecting piece 21 so as to carry out transmission, a sliding groove 7 is formed in the telescopic sleeve 1, one end of the sliding groove 7 extends to the outer part of the telescopic sleeve 1, a spline groove 8 is formed in the inner wall of the sliding groove 7, a sliding column 3 is fixedly connected to the side surface of the shaft sleeve 2, a spline 6 is arranged on the surface of the sliding column 3, the sliding column 3 is movably sleeved in an inner cavity of the sliding groove 7, the spline 6 is movably sleeved in an inner cavity of the spline groove 8, a spare transmission groove 9 is formed in the telescopic sleeve 1, a spare transmission column 10 is fixedly connected to the side surface of the shaft sleeve 2, the spare transmission column 10 extends into the spare transmission groove 9, the spare transmission column 10 is movably sleeved in the inner cavity of the spare transmission groove 9, the surface of the spare transmission column 10 is not in contact with the inner wall of the spare transmission groove 9, the spare transmission groove 9 and the spare transmission column 10 are utilized, when the sliding column 3 breaks in the running process, the spare transmission column 10 is in contact with the inner part of the spare transmission groove 9, so that the telescopic sleeve 1 and the sliding column 3 are subjected to power transmission through the spare transmission column 10, the transmission shaft can be continuously used for a period of time, the problem that the vehicle stops standing horse when the traditional transmission shaft breaks and dangers are brought to drivers is solved, the safety of the mechanical transmission shaft of the automobile is improved, the sliding roller 11 is clamped on the surface of the telescopic sleeve 1, the surface of the shaft sleeve 2 is fixedly connected with the protective cover 12, the surface of the sliding roller 11 is attached to the inner wall of the protective cover 12, the telescopic sleeve 1 and the sliding column 3 slide mutually in the driving process of the automobile, one part of the spline 6 extends out of the inner cavity of the spline groove 8, the protective cover 12 is utilized to prevent the spline 6 from contacting with air, so that dust in the air is prevented from entering the inner cavity of the sliding groove 7, when the distance between the gearbox and the drive axle is changed by the shaft tube of the transmission shaft and the telescopic sleeve, the spline contacts with the air, the dust in the air is brought into the telescopic sleeve, the friction force between the spline and the telescopic sleeve is increased, the problem of accelerated transmission shaft abrasion is solved, the practicability and the service life of the mechanical transmission shaft of the automobile are improved, divide oil groove 5 has been seted up on the surface of spline 6, the one end of dividing oil groove 5 is linked together with oil transportation groove 4, oiling groove 14 has been seted up to the inside of axle sleeve 2, oiling groove 14's one end extends to axle sleeve 2's side and is linked together with oil transportation groove 4's one end, lubricating oil when the transmission shaft lacks, when needing to add lubricating oil between spline 6 and spline groove 8, sealing plug 15 is directly opened, add to oiling groove 14's inner chamber, at transmission shaft pivoted in-process, the lubricating oil of oil transportation groove 4 inner chamber enters into between spline 6 and the spline groove 8 under the effect of centrifugal force through dividing oil groove 5, the practicality of this automobile machinery transmission shaft has been improved, oiling groove 14's the other end extends to axle sleeve 2's surface and threaded mounting sealing plug 15.
In conclusion, in the automobile mechanical transmission shaft, when the automobile runs, the sliding column 3 and the telescopic sleeve 1 slide relative to each other, the protective cover 12 slides relative to the surface of the sliding roller 11, so that the surface of the spline 6 is not contacted with air, when the sliding column 3 breaks in the running process, the standby transmission column 10 is contacted with the inner wall of the standby transmission groove 9, so that the telescopic sleeve 1 and the sliding column 3 are subjected to power transmission through the standby transmission column 10, and when lubricating oil is required to be added between the spline 6 and the spline groove 8, the sealing plug 15 is directly opened, and the lubricating oil is added into the inner cavity of the oil injection groove 14.
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 (6)
1. The utility model provides an automotive machinery transmission shaft, includes telescope tube (1), axle sleeve (2), its characterized in that: the telescopic sleeve is characterized in that a sliding groove (7) is formed in the telescopic sleeve (1), one end of the sliding groove (7) extends to the outside of the telescopic sleeve (1), a spline groove (8) is formed in the inner wall of the sliding groove (7), a sliding column (3) is fixedly connected to the side face of the shaft sleeve (2), a spline (6) is arranged on the surface of the sliding column (3), the sliding column (3) is movably sleeved to the inner cavity of the sliding groove (7), the spline (6) is movably sleeved to the inner cavity of the spline groove (8), a standby transmission groove (9) is formed in the telescopic sleeve (1), a standby transmission column (10) is fixedly connected to the side face of the shaft sleeve (2), the standby transmission column (10) extends to the inside of the standby transmission groove (9), a sliding roller (11) is clamped to the surface of the telescopic sleeve (1), and a protective cover (12) is fixedly connected to the surface of the shaft sleeve (2), the surface of the sliding roller (11) is attached to the inner wall of the protective cover (12).
2. The mechanical transmission shaft for the automobile according to claim 1, wherein: oil conveying groove (4) have been seted up to the inside of sliding column (3), divide oil groove (5) have been seted up on the surface of spline (6), the one end and the oil conveying groove (4) of dividing oil groove (5) are linked together.
3. The mechanical transmission shaft for the automobile according to claim 1, wherein: an oil filling groove (14) is formed in the shaft sleeve (2), one end of the oil filling groove (14) extends to the side face of the shaft sleeve (2) and is communicated with one end of the oil conveying groove (4), and the other end of the oil filling groove (14) extends to the surface of the shaft sleeve (2) and is provided with a sealing plug (15) in a threaded mode.
4. The mechanical transmission shaft for the automobile according to claim 1, wherein: one end of the telescopic sleeve (1) is fixedly connected with a first universal joint fork (16), a first connecting shaft (17) is movably sleeved in the first universal joint fork (16), and a first connecting piece (18) is movably sleeved on the surface of the first connecting shaft (17).
5. The mechanical transmission shaft for the automobile according to claim 1, wherein: one end of the shaft sleeve (2) is fixedly connected with a second universal joint fork (19), a second connecting shaft (20) is movably sleeved in the second universal joint fork (19), and a second connecting piece (21) is movably sleeved on the surface of the second connecting shaft (20).
6. The mechanical transmission shaft for the automobile according to claim 1, wherein: the spare transmission column (10) is movably sleeved in an inner cavity of the spare transmission groove (9), and the surface of the spare transmission column (10) is not contacted with the inner wall of the spare transmission groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151090.8U CN213684924U (en) | 2020-09-27 | 2020-09-27 | Mechanical transmission shaft of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022151090.8U CN213684924U (en) | 2020-09-27 | 2020-09-27 | Mechanical transmission shaft of automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213684924U true CN213684924U (en) | 2021-07-13 |
Family
ID=76750942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022151090.8U Expired - Fee Related CN213684924U (en) | 2020-09-27 | 2020-09-27 | Mechanical transmission shaft of automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213684924U (en) |
-
2020
- 2020-09-27 CN CN202022151090.8U patent/CN213684924U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210713 |