CN213598436U - Transmission shaft with leakage-proof lubricating oil - Google Patents
Transmission shaft with leakage-proof lubricating oil Download PDFInfo
- Publication number
- CN213598436U CN213598436U CN202022077800.7U CN202022077800U CN213598436U CN 213598436 U CN213598436 U CN 213598436U CN 202022077800 U CN202022077800 U CN 202022077800U CN 213598436 U CN213598436 U CN 213598436U
- Authority
- CN
- China
- Prior art keywords
- oil
- spline
- telescopic spline
- telescopic
- lubricating oil
- 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
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 37
- 230000005540 biological transmission Effects 0.000 title claims abstract description 15
- 239000003921 oil Substances 0.000 claims abstract description 55
- 230000001681 protective effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 239000004519 grease Substances 0.000 claims 6
- 230000001050 lubricating effect Effects 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a lubricating oil leakage-proof transmission shaft, which is provided with a telescopic spline, an outer sleeve which is sleeved outside the telescopic spline in a sliding way and a universal joint which is movably arranged outside the telescopic spline and the outer sleeve; an oil storage space is formed inside the outer sleeve; the oil storage space is communicated with the oil filling nozzle and can be externally connected with an oil supply device through the oil filling nozzle; an oil collecting block is placed in the oil storage space; lubricating oil paths are uniformly formed in the spline section part of the telescopic spline; one part of the lubricating oil way is communicated with the oil storage space, and the other part of the lubricating oil way starts from the axle center of the telescopic spline and reaches the outer surface of the spline; and a protective cover is additionally arranged between the telescopic spline and the outer sleeve. The utility model aims at overcoming the defect that prior art exists, provide a transmission shaft that lubricating structure is simple and effectively prevent lubricating oil and leak outward.
Description
Technical Field
The utility model relates to a transmission shaft field especially relates to a transmission shaft of lubricating oil leak protection.
Background
The transmission shaft is an important part for transmitting power in an automobile transmission system, and the transmission shaft, a gearbox and a drive axle are used for transmitting the power of an engine to wheels so that an automobile generates driving force. The transmission shaft is a high-speed, low-bearing rotating body, and can be several joints, and the joints can be connected by universal joints. The transmission shaft usually comprises an axle tube, a telescopic sleeve (a telescopic spline) and a universal joint, and the telescopic sleeve part usually causes part abrasion due to frequent reciprocating motion in the working process. The existing lubricating structure for the inner part of the telescopic sleeve is complex, and the lubricating oil is easy to leak. Therefore, it is necessary to design a transmission shaft structure with simple lubrication structure and capable of effectively preventing the leakage of the lubricating oil.
Disclosure of Invention
The utility model aims at overcoming the defect that prior art exists, provide a transmission shaft that lubricating structure is simple and effectively prevent lubricating oil and leak outward.
Realize the utility model discloses the technical scheme of purpose is: a lubricating oil leakage-proof transmission shaft is provided with a telescopic spline, an outer sleeve which is sleeved outside the telescopic spline in a sliding mode and a universal joint which is movably arranged on the outer sides of the telescopic spline and the outer sleeve; an oil storage space is formed inside the outer sleeve; the oil storage space is communicated with the oil filling nozzle and can be externally connected with an oil supply device through the oil filling nozzle; an oil collecting block is placed in the oil storage space; lubricating oil paths are uniformly formed in the spline section part of the telescopic spline; one part of the lubricating oil way is communicated with the oil storage space, and the other part of the lubricating oil way starts from the axle center of the telescopic spline and reaches the outer surface of the spline; and a protective cover is additionally arranged between the telescopic spline and the outer sleeve.
Further, the oil collecting block is a sponge block.
Furthermore, the lubricating oil path inside the telescopic spline comprises a main oil path superposed with the axis of the telescopic spline shaft and a sub oil path radially perpendicular to the axis of the telescopic spline shaft.
Further, the movement tracks of the lubricating oil after the oil collection block is pressed are in the directions of a, b and c.
Further, the protective cover comprises a corrugated pipe, mounting bases clamped at two ends of the corrugated pipe and sealing rings arranged in the mounting bases on the telescopic spline side; the mounting base is detachably connected with the telescopic spline and the outer sleeve.
Further, the detachable connection is a bolt locking connection.
Furthermore, a sealing gasket is arranged between the mounting base and the end faces of the telescopic spline and the outer sleeve.
After the technical scheme is adopted, the utility model discloses following positive effect has:
(1) when the sponge block is compressed by the bottom end of the telescopic spline, the lubricating oil sucked and injected into the sponge block can be released from multiple directions, and when the telescopic spline is far away from the sponge block, the sponge block starts to absorb the redundant lubricating oil between the telescopic spline and the outer sleeve while recovering the shape; therefore, the telescopic spline can not only play a role in lubrication when reciprocating, but also can timely recover and disperse lubricating oil outside under the condition of not being extruded, and the telescopic spline has a simple structure and strong practicability.
(2) The utility model discloses the protection casing can be dismantled and the maintenance, the maintenance and the change accessory of connecting the follow-up device of being convenient for, and arranging of bellows can prevent effectively that external dust and rainwater from entering into inside the oil storage space in addition to keep better lubricated effect, reduce the wearing and tearing of spare part.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic view of a partial internal structure of the present invention;
fig. 3 is a partial a enlarged view of the present invention.
The reference numbers in the drawings are as follows: the oil storage structure comprises a telescopic spline 10, an outer sleeve 20, a universal joint 30, an oil storage space 40, an oil filling nozzle 50, an oil collecting block 60, a lubricating oil path 70, a protective cover 80, a corrugated pipe 81, a mounting base 82 and a sealing ring 83.
Detailed Description
Referring to fig. 1 to 3, the present invention has a telescopic spline 10, an outer sleeve 20 slidably fitted over the telescopic spline 10, and a universal joint 30 movably mounted on the outer sides of the telescopic spline 10 and the outer sleeve 20; the inside of the outer sleeve 20 forms an oil storage space 40, and more specifically, the oil storage space 40 is formed in the gap between the end of the telescopic spline 10 and the bottom of the outer sleeve 20; the oil storage space 40 is communicated with the oil injection nozzle 50, the oil storage space 40 can be externally connected with an oil supply device through the oil injection nozzle 50, wherein the periphery of the oil injection nozzle 50 is provided with threads and is hermetically installed through a screw cap; an oil collection block 60 is arranged in the oil storage space 40; the spline section part of the telescopic spline 10 is uniformly provided with lubricating oil paths 70; a part of the lubricating oil path 70 is communicated with the oil storage space 40, and a part of the lubricating oil path starts from the axle center of the telescopic spline 10 and reaches the outer surface of the spline; a protective cover 80 is additionally arranged between the telescopic spline 10 and the outer sleeve 20.
More specifically, in the embodiment, the oil collection block 60 is a sponge block, the sponge block releases lubricating oil sucked and injected into the sponge block when being compressed by the bottom end of the telescopic spline 10, and when the telescopic spline 10 is far away from the sponge block, the sponge block starts to absorb redundant lubricating oil between the telescopic spline 10 and the outer sleeve 20 while recovering the shape; therefore, the telescopic spline 10 can not only play a role in lubrication when moving back and forth, but also can timely recover and disperse lubricating oil outside under the condition of not being extruded, and the structure is simple and the practicability is strong.
More specifically, in the present embodiment, the lubricating oil path 70 inside the telescopic spline 10 includes a main oil path coinciding with the axial center line of the telescopic spline 10 and a sub oil path radially perpendicular to the axial center line of the telescopic spline 10.
More specifically, in the present embodiment, the paths of movement of the lubricating oil after the oil collection block 60 is pressurized are the directions a, b, and c.
More specifically in the present embodiment, the boot 80 includes a bellows 81, mounting bases 82 interposed at both ends of the bellows 81, and a seal ring 83 disposed in the mounting base 82 on the telescopic spline 10 side; the mounting base 82 is detachably connected with the telescopic spline 10 and the outer sleeve 20. The detachable connection facilitates maintenance, overhaul and accessory replacement of subsequent devices, and in addition, the arrangement of the corrugated pipe 81 can effectively prevent external dust and rainwater from entering the oil storage space 40, so that a better lubricating effect is kept, and the abrasion of parts is reduced.
More specifically in this embodiment, the releasable connection is a bolted locking connection.
More specifically, in this embodiment, a gasket 84 is further disposed between the mounting base 82 and the end surfaces of the telescopic spline 10 and the outer sleeve 20, and the gasket 84 can further prevent the lubricating oil from leaking out of the gap.
The utility model discloses a theory of operation does: when the telescopic spline 10 is far away from the sponge block, the sponge block starts to absorb redundant lubricating oil between the telescopic spline 10 and the outer sleeve 20 while recovering the shape; the protective cover 80 additionally installed between the telescopic spline 10 and the outer sleeve 20 can effectively prevent external dust and rainwater from entering the oil storage space 40.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A lubricating oil leakage-proof transmission shaft is provided with a telescopic spline (10), an outer sleeve (20) which is sleeved outside the telescopic spline (10) in a sliding mode, and a universal joint (30) which is movably arranged on the outer sides of the telescopic spline (10) and the outer sleeve (20); an oil storage space (40) is formed inside the outer sleeve (20); the oil storage space (40) is communicated with the oil filling nozzle (50), and the oil storage space (40) can be externally connected with an oil supply device through the oil filling nozzle (50); the method is characterized in that: an oil collection block (60) is arranged in the oil storage space (40); lubricating oil paths (70) are uniformly formed in the spline section of the telescopic spline (10); one part of the lubricating oil path (70) is communicated with the oil storage space (40), and the other part of the lubricating oil path starts from the axle center of the telescopic spline (10) and reaches the outer surface of the spline; and a protective cover (80) is additionally arranged between the telescopic spline (10) and the outer sleeve (20).
2. A grease leak proof propeller shaft as defined in claim 1, wherein: the oil collection block (60) is a sponge block.
3. A grease leak proof propeller shaft as defined in claim 2, wherein: the movement tracks of the lubricating oil after the oil collection block (60) is pressed are a direction, b direction and c direction.
4. A grease leak proof propeller shaft as defined in claim 1, wherein: the lubricating oil path (70) in the telescopic spline (10) comprises a main oil path which is superposed with the axial lead of the telescopic spline (10) and a sub oil path which is radially vertical to the axial lead of the telescopic spline (10).
5. A grease leakproof propeller shaft according to any one of claims 1 to 4, characterized in that: the protective cover (80) comprises a corrugated pipe (81), mounting bases (82) clamped at two ends of the corrugated pipe (81) and sealing rings (83) arranged in the mounting bases (82) on the telescopic spline (10) side; the mounting base (82) is detachably connected with the telescopic spline (10) and the outer sleeve (20).
6. A grease leak proof propeller shaft as defined in claim 5, wherein: the detachable connection is a bolt locking connection.
7. A grease leak proof propeller shaft as defined in claim 6, wherein: and a sealing gasket (84) is also arranged between the mounting base (82) and the end faces of the telescopic spline (10) and the outer sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022077800.7U CN213598436U (en) | 2020-09-21 | 2020-09-21 | Transmission shaft with leakage-proof lubricating oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022077800.7U CN213598436U (en) | 2020-09-21 | 2020-09-21 | Transmission shaft with leakage-proof lubricating oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213598436U true CN213598436U (en) | 2021-07-02 |
Family
ID=76587711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022077800.7U Expired - Fee Related CN213598436U (en) | 2020-09-21 | 2020-09-21 | Transmission shaft with leakage-proof lubricating oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213598436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638979A (en) * | 2021-08-02 | 2021-11-12 | 山东丰源汽车科技有限公司 | High-reliability universal joint of automobile transmission shaft |
-
2020
- 2020-09-21 CN CN202022077800.7U patent/CN213598436U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638979A (en) * | 2021-08-02 | 2021-11-12 | 山东丰源汽车科技有限公司 | High-reliability universal joint of automobile transmission shaft |
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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: 20210702 |