CN117588544A - Vehicle differential mechanism shell - Google Patents
Vehicle differential mechanism shell Download PDFInfo
- Publication number
- CN117588544A CN117588544A CN202311634117.0A CN202311634117A CN117588544A CN 117588544 A CN117588544 A CN 117588544A CN 202311634117 A CN202311634117 A CN 202311634117A CN 117588544 A CN117588544 A CN 117588544A
- Authority
- CN
- China
- Prior art keywords
- shell
- input shaft
- power input
- oil
- vehicle differential
- 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.)
- Pending
Links
- 239000007921 spray Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 230000008676 import Effects 0.000 claims 1
- 238000005461 lubrication Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001338 self-assembly Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
- F16H57/0423—Lubricant guiding means mounted or supported on the casing, e.g. shields or baffles for collecting lubricant, tubes or pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0458—Oil-mist or spray lubrication; Means to reduce foam formation
- F16H57/046—Oil-mist or spray lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/38—Constructional details
- F16H48/40—Constructional details characterised by features of the rotating cases
- F16H2048/405—Constructional details characterised by features of the rotating cases characterised by features of the bearing of the rotating case
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of automobile parts, in particular to a vehicle differential mechanism shell, which comprises a left shell, a middle shell and a right shell, wherein a power input shaft of the middle shell passes through the power input shaft of the left shell and a power output shaft of the right shell pass through the power input shaft of the middle shell, an oil circulation device is arranged between the middle shell and the power input shaft, an inlet and an outlet of the oil circulation device are communicated with a space formed by the left shell, the middle shell and the right shell in a surrounding way, the conveying direction of the oil circulation device is positively and negatively changed along with the power input shaft, and the oil circulation device is communicated with an internal oil conveying pipe and a positive flow negative spray valve; the differential mechanism is provided with the left-middle-right three-part shell, so that the differential mechanism is convenient to assemble, the power output shaft is utilized to realize active oil supply in the differential mechanism, the extending port of the inner oil delivery pipe is arranged at a key position to be lubricated in a targeted manner, and the lubrication efficiency is high; the spiral blades and the vortex blades are matched to ensure the oil conveying efficiency, and the power input shaft rotates positively and negatively to realize active lubrication; the inner liquid-passing bearing enables liquid to flow axially.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a vehicle differential case.
Background
The differential housing is an important component of the chassis of the vehicle for mounting and protecting the differential. The main function of the differential is to allow the left and right wheels to rotate at different speeds, facilitating the turning of the vehicle.
The differential mechanism is internally required to be filled with differential mechanism oil, the service life of internal parts is guaranteed, the existing differential mechanism is less in pertinence of oil supply points, oil is lifted mainly by means of rotation of gears, lubrication is difficult to achieve or the problem that the time required for lubrication is long and the temperature is uncontrollable is solved, and the service life of the differential mechanism can be effectively prolonged.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a novel vehicle differential case.
In order to achieve the above purpose, the invention adopts the technical scheme that:
the utility model provides a vehicle differential mechanism casing, includes left side shell, well shell and right side shell, well shell power input shaft passes, left side shell and right side shell power output shaft pass, be provided with fluid circulating device between well shell and the power input shaft, in the space that left side shell, well shell and right side shell surrounded the equal intercommunication of exit of fluid circulating device formed, the positive and negative follow-up power input shaft of direction of delivery of fluid circulating device changes, fluid circulating device intercommunication has interior oil pipe and positive flow negative spray valve.
Further, the oil circulating device comprises an inner rotating sleeve and a shell, a cavity is formed between the inner rotating sleeve and the shell, the inner rotating sleeve is arranged on the periphery of the power input shaft and is linked with the power input shaft, a spiral blade and a turbine blade are arranged on the periphery of the inner rotating sleeve, the shell is communicated with a plurality of inner oil delivery pipes, positive flow negative flow spray valves are also communicated through outer pipelines, and the positions of the extending ports of the inner oil delivery pipes are variable.
Further, the interface of shell and outer pipeline is located the one side that the spiral leaf was kept away from to the vortex leaf, the interface of shell and interior oil pipe is located the one side of spiral She Yuanli vortex leaf, be provided with the logical liquid bearing between interior turning cover and the shell.
Further, the positive flow negative spray valve is arranged at the bottom of the middle shell and comprises a valve body embedded in the wall of the middle shell, an elastic valve cover is arranged at the upper end of the valve body and can only be bent downwards and limited in upward bending, a spray small hole penetrating through the upper surface and the lower surface is formed in the middle of the elastic valve cover, and the bottom end of the valve body is communicated with an outer pipeline.
Further, the liquid-passing bearing is positioned between the inner oil delivery pipe and the spiral blade, and the rolling body retainer in the liquid-passing bearing is provided with through holes at two sides.
Further, the pipe body of the inner oil delivery pipe can be bent and deformed.
Further, the number of the internal oil delivery pipes is 2-12.
Further, an organic seal is arranged between the inner sleeve and the outer shell.
Further, the conveying directions of the spiral blade and the turbine blade are kept consistent.
Compared with the prior art, the scheme of the invention has the beneficial effects that:
1. the vehicle differential mechanism shell is reasonable in structure, high in safety and low in failure rate. The novel oil-liquid circulation device is provided with the left-middle-right three-part shell, is convenient for self assembly and internal differential assembly, realizes active oil supply in the differential by utilizing the power output shaft through the oil-liquid circulation device, has the variable position of the extending port of the internal oil delivery pipe, and is specifically arranged at the key position to be lubricated, so that the lubrication efficiency is high.
2. According to the vehicle differential shell, the spiral blades and the vortex blades are matched to ensure oil conveying efficiency, and when the power input shaft is reversed, oil is sprayed upwards from the spraying small holes of the positive flow negative spray valve.
3. The invention provides a vehicle differential case which has a function of axially circulating liquid while supporting rotation by providing a liquid-passing bearing.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the cross-section A-A of FIG. 1;
FIG. 3 is an enlarged schematic view at B in FIG. 2;
FIG. 4 is a schematic diagram of the present invention mated with a differential;
FIG. 5 is a schematic view showing the structure of a rolling element cage according to the present invention;
FIG. 6 is a schematic diagram of a positive flow negative spray valve according to the present invention.
In the figure: 1. a left side case; 2. a middle shell; 3. a right side case; 4. an oil circulating device; 4a, inner rotating sleeve; 4b, a housing; 4c, spiral leaves; 4d, a turbine blade; 4e, an outer pipeline; 4f, inner oil delivery pipe; 4g, a positive flow negative spray valve; 4g-1, valve body; 4g-2, an elastic valve cover; 4g-3, spraying small holes; 4h, liquid-passing bearings; 4h-1, a rolling element retainer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; in the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the technical solution of the present invention and for simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 6, a differential case of a vehicle comprises a left side case 1, a middle case 2 and a right side case 3, wherein the middle case 2 and the right side case 3 of the left side case 1 are movably connected and can be locked, a power input shaft of the middle case 2 passes through, a power output shaft of the left side case 1 and the right side case 3 passes through, an oil circulation device 4 is arranged between the middle case 2 and the power input shaft, an inlet and an outlet of the oil circulation device 4 are communicated with a space formed by surrounding the left side case 1, the middle case 2 and the right side case 3, in the space, the power input shaft and the power output shaft are connected through gears, and the conveying direction of the oil circulation device 4 positively and negatively changes along with the steering direction of the power input shaft;
the oil circulation device 4 is communicated with an inner oil delivery pipe 4f and positive flow negative spray valves 4g, pipe bodies of 2-12 inner oil delivery pipes 4f can be bent and deformed, the positions of the extending ports of the pipe bodies are changeable, and the pipe bodies are arranged at key positions to be lubricated in a targeted manner; the positive flow negative spray valve 4g is arranged at the bottom of the middle shell 2 and comprises a valve body 4g-1 embedded in the wall of the middle shell 2, an elastic valve cover 4g-2 is arranged at the upper end of the valve body 4g-1, the elastic valve cover 4g-2 can only bend downwards and bend upwards to be limited, a spray small hole 4g-3 penetrating through the upper surface and the lower surface is arranged in the middle of the elastic valve cover 4g-2, the bottom end of the valve body 4g-1 is communicated with an outer pipeline 4e, oil accumulated at the bottom of the middle shell 2 can push the elastic valve cover 4g-2 downwards, and flows from the positive flow negative spray valve 4g to the outer pipeline 4e and then flows into the oil circulation device 4, finally is sprayed out from an inner oil conveying pipeline 4f, when oil is supplied from the outer pipeline 4e to the positive flow negative spray valve 4g, the elastic valve cover 4g-2 bends upwards to be limited, sealing is formed between the elastic valve cover and the valve body 4g-1, and the oil can be sprayed upwards from the spray small hole 4 g-3.
In order to realize the forward and reverse conveying function of oil, the oil circulating device 4 comprises an inner rotating sleeve 4a and a shell 4b, an organic seal is arranged between the inner rotating sleeve 4a and the shell 4b, a cavity is formed between the inner rotating sleeve 4a and the shell, the inner rotating sleeve 4a is arranged at the periphery of a power input shaft and is linked with the power input shaft, a spiral blade 4c and a vortex blade 4d are arranged at the periphery of the inner rotating sleeve 4a, the power input shaft drives the spiral blade 4c and the vortex blade 4d to rotate, and the spiral blade 4c and the vortex blade 4d keep consistent with each other in the conveying direction of fluid under the same rotation, and the conveying efficiency is ensured by matching the two;
in order to realize that the oil liquid inner and outer circulation shell 4b is communicated with a plurality of inner oil delivery pipes 4f, and is also communicated with a positive flow negative spray valve 4g through an outer pipeline 4 e; the interface of shell 4b and outer pipeline 4e is located the one side that spiral leaf 4d kept away from spiral leaf 4c, and the interface of shell 4b and interior oil pipe 4f is located the one side that spiral leaf 4c kept away from spiral leaf 4d, is provided with logical liquid bearing 4h between inner rotating sleeve 4a and the shell 4b, and the rolling element holder 4h-1 in it is provided with the both sides through-hole, leads to liquid bearing 4h to be located between interior oil pipe 4f and the spiral leaf 4c, possesses the function that makes liquid circulate along its axial when realizing supporting rotation.
The scheme of the invention realizes active lubrication when the power input shaft rotates positively and reversely, one or more of a cooling device, a heating device and a filter can be connected to the middle section of the outer pipeline 4e arranged outside the shell, and the scheme plays a role in the condition that the differential oil needs to be cooled, heated and filtered, so that the performance of the differential is improved and the service life of the differential is prolonged.
While the invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes, modifications and additions may be made without departing from the spirit of the invention.
Claims (9)
1. A vehicle differential housing, characterized in that: including left side shell (1), well shell (2) and right side shell (3), well shell (2) power input shaft passes, left side shell (1) and right side shell (3) power output shaft pass, be provided with fluid circulating device (4) between well shell (2) and the power input shaft, in the space that left side shell (1), well shell (2) and right side shell (3) are surrounded in the import and export of fluid circulating device (4) all intercommunication, the direction of delivery positive and negative follow power input shaft of fluid circulating device (4) changes, fluid circulating device (4) intercommunication has interior oil pipe (4 f) and positive flow negative spray valve (4 g).
2. A vehicle differential housing as defined in claim 1, wherein: the oil circulation device (4) comprises an inner rotating sleeve (4 a) and a shell (4 b), a cavity is formed between the inner rotating sleeve and the shell, the inner rotating sleeve (4 a) is arranged on the periphery of a power input shaft and is linked with the power input shaft, a spiral blade (4 c) and a turbine blade (4 d) are arranged on the periphery of the inner rotating sleeve (4 a), the shell (4 b) is communicated with a plurality of inner oil delivery pipes (4 f) and also communicated with a positive flow negative spray valve (4 g) through an outer pipeline (4 e), and the position of an extending port of the inner oil delivery pipes (4 f) is changeable.
3. A vehicle differential housing as defined in claim 2, wherein: the interface of shell (4 b) and outer pipeline (4 e) is located one side that spiral leaf (4 c) was kept away from to vortex leaf (4 d), the interface of shell (4 b) and interior oil delivery pipe (4 f) is located one side that spiral leaf (4 c) kept away from vortex leaf (4 d), be provided with between interior cover (4 a) and shell (4 b) and lead to liquid bearing (4 h).
4. A vehicle differential housing as defined in claim 2, wherein: the positive flow negative spray valve (4 g) is arranged at the bottom of the middle shell (2), the positive flow negative spray valve comprises a valve body (4 g-1) embedded into the wall of the middle shell (2), an elastic valve cover (4 g-2) is arranged at the upper end of the valve body (4 g-1), the elastic valve cover (4 g-2) can be bent downwards only and is limited in bending upwards, a spray small hole (4 g-3) penetrating through the upper surface and the lower surface is formed in the middle of the elastic valve cover (4 g-2), and the bottom end of the valve body (4 g-1) is communicated with an outer pipeline (4 e).
5. A vehicle differential housing as defined in claim 3, wherein: the liquid passing bearing (4 h) is positioned between the inner oil conveying pipe (4 f) and the spiral blade (4 c), and the rolling body retainer (4 h-1) in the liquid passing bearing is provided with two side through holes.
6. A vehicle differential housing as defined in claim 2, wherein: the pipe body of the inner oil conveying pipe (4 f) can be bent and deformed.
7. The vehicle differential case according to claim 6, wherein: the number of the inner oil delivery pipes (4 f) is 2-12.
8. A vehicle differential housing as defined in claim 2, wherein: an organic seal is arranged between the inner rotating sleeve (4 a) and the outer shell (4 b).
9. A vehicle differential housing as defined in claim 2, wherein: the conveying direction of the spiral blade (4 c) and the conveying direction of the turbine blade (4 d) are kept consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311634117.0A CN117588544A (en) | 2023-12-01 | 2023-12-01 | Vehicle differential mechanism shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311634117.0A CN117588544A (en) | 2023-12-01 | 2023-12-01 | Vehicle differential mechanism shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117588544A true CN117588544A (en) | 2024-02-23 |
Family
ID=89919822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311634117.0A Pending CN117588544A (en) | 2023-12-01 | 2023-12-01 | Vehicle differential mechanism shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117588544A (en) |
-
2023
- 2023-12-01 CN CN202311634117.0A patent/CN117588544A/en active Pending
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |