CN109084010A - A kind of step type oil hole structure and vehicle - Google Patents
A kind of step type oil hole structure and vehicle Download PDFInfo
- Publication number
- CN109084010A CN109084010A CN201810969396.9A CN201810969396A CN109084010A CN 109084010 A CN109084010 A CN 109084010A CN 201810969396 A CN201810969396 A CN 201810969396A CN 109084010 A CN109084010 A CN 109084010A
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- CN
- China
- Prior art keywords
- oilhole
- inclined surface
- outlet
- hole structure
- axle journal
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- 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.)
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Classifications
-
- 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
- F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of stepped oil hole structure and vehicles, are related to technical field of vehicle.The step type oil hole structure includes oilhole ontology, and shape is the cylinder with first diameter；The oil outlet of oilhole outlet, the oilhole outlet is connect with the surface of the axle journal, and its shape is the cylinder that part has second diameter, while the numerical value of the second diameter is greater than the numerical value of the first diameter；With the first inclined surface, the oilhole ontology is exported with the oilhole and is connect by first inclined surface transition, meanwhile a part of first inclined surface close to one end that the oilhole exports is connect with the surface of the axle journal, rest part and oilhole outlet connect.The present invention also provides a kind of vehicles, including above-mentioned stepped oil hole structure.The present invention can effectively eliminate the stress concentration phenomenon of oil-hole location, can also facilitate lubricating oil to the diffusion lubrication of axial workpiece and cooling.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of stepped oil hole structure and vehicle.
Background technique
In vehicle overall structure, especially in vehicle motor bearing arrangement, bearing assumes responsibility for huge active force, because
And the comparison that can be worn during bearing active force is severe.
Wherein bearing diameter is affected to bearing friction loss, and the journal diameter of bearing is bigger, the friction to bearing
It loses more serious.
Therefore, the journal size of reduction bearing is generallyd use to reduce the friction loss of bearing.But when by the axis of bearing
When neck size reduces, the structure near the oilhole at bearing is easier to be damaged.
Summary of the invention
The inventors of the present application found that distorting stress will increase, and especially exist when reducing the journal size of bearing
Oil-hole location, it may appear that the problem that stress concentrates fatigue strength low.Inventor is it has furthermore been found that this is because oilhole outlet and axis
Neck surface forms acuter angles, and Fig. 1 is the connection schematic diagram of oilhole and journal surface in the prior art, as shown in Figure 1, with oil
The surface 2 of the parallel oilhole wall 1 of the axis in hole and axle journal forms acuter angles 3, and exactly the structure causes stress at this to be concentrated
The generation of phenomenon cannot still eliminate the stress concentration phenomenon at this even if carrying out chamfering deburring processing at this.
Therefore, one of first aspect present invention is designed to provide a kind of stepped oil hole structure, to solve oilhole position
Set the problems in stress collection.
Another of first aspect present invention is designed to provide a kind of stepped oilhole conducive to lubricating oil diffusion lubrication
Structure.
One of second aspect of the present invention is designed to provide a kind of vehicle, and the vehicle includes the stepped oilhole knot
Structure, to solve the problems in oil-hole location stress collection.
According to the first aspect of the invention, the present invention provides a kind of stepped oil hole structure, it is located at axial workpiece, institute
Axial workpiece is stated with axle journal, the step type oil hole structure includes:
Oilhole ontology, the shape of the oilhole ontology are the cylinder with first diameter；
The oil outlet of oilhole outlet, the oilhole outlet is connect with the surface of the axle journal, and its shape is that part has
There is the cylinder of second diameter, while the numerical value of the second diameter is greater than the numerical value of the first diameter；With
First inclined surface is located between the oilhole ontology and oilhole outlet, the oilhole ontology and the oilhole
Outlet by first inclined surface transition connection, meanwhile, first inclined surface close to one end that the oilhole exports one
Part is connect with the surface of the axle journal, and rest part and oilhole outlet connect.
It further, further include the second inclined surface, between oilhole outlet and the surface of the axle journal, the oil
Hole exits are connect with the surface of the axle journal by second inclined surface transition.
It further, further include third inclined surface, it is described between first inclined surface and the surface of the axle journal
First inclined surface is connect with the surface of the axle journal by third inclined surface transition.
Further, second inclined surface connect one smooth joint face of composition with the third inclined surface head and the tail.
Further, the angle that axis and axle journal place axis where the oilhole ontology are formed is 0 ° -180 °
Between any value.
Further, the tilt angle of first inclined surface is any value between 0 ° -180 °.
Further, the tilt angle for the joint face that second inclined surface is formed with the third inclined surface is
Any value between 0 ° -180 °.
According to the second aspect of the invention, the present invention provides a kind of vehicles, including axial workpiece, further include described above
Be located at the axial workpiece at stepped oil hole structure.
Stepped oil hole structure of the invention and vehicle are exported by setting oilhole, the oil outlet of oilhole outlet with
The surface of the axle journal connects, while by the first inclined surface of setting, being located between the oilhole ontology and oilhole outlet,
The oilhole ontology is exported with the oilhole and is connect by first inclined surface transition, meanwhile, first inclined surface is close
A part of one end of the oilhole outlet is connect with the surface of the axle journal, and rest part and oilhole outlet connect, such as
This, can effectively remove the acute angle knot that the surface 2 of oilhole wall 1 and axle journal parallel with the axis of oilhole shown in Fig. 1 is formed
Structure 3, thus the stress concentration phenomenon of the position is effectively eliminated, avoid the fatigue strength risk at this.
Further, since the numerical value of the second diameter is greater than the numerical value of the first diameter, oilhole exit
Diameter be greater than oilhole ontology diameter, increase oilhole outlet size, greatly facilitate expansion of the lubricating oil to axial workpiece
Dissipate lubrication and cooling.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is the connection schematic diagram of oilhole and journal surface in the prior art；
Fig. 2 is the schematic diagram of stepped oil hole structure according to an embodiment of the invention；
Fig. 3 is the schematic diagram of stepped oil hole structure in accordance with another embodiment of the present invention.
Specific embodiment
Fig. 2 is the schematic diagram of stepped oil hole structure according to an embodiment of the invention.As shown in Fig. 2, the ladder
Type oil hole structure is located at axial workpiece, and the axial workpiece has axle journal, and the axle journal has surface 2, the stepped oil
Pore structure includes oilhole ontology 4, oilhole outlet 5 and the first inclined surface 6.The shape of the oilhole ontology 4 can be for first
The cylinder of diameter.The oil outlet of the oilhole outlet 5 is connect with the surface 2 of the axle journal, and its shape is that part has
The cylinder of second diameter, while the numerical value of the second diameter is greater than the numerical value of the first diameter.First inclined surface 6
Between the oilhole ontology 4 and oilhole outlet 5, the oilhole ontology 4 passes through described first with oilhole outlet 5
6 transition of inclined surface connection, meanwhile, a part and the axle journal of first inclined surface 6 close to one end of oilhole outlet 5
Surface 2 connect, rest part and the oilhole export 5 and connect.
Stepped oil hole structure of the invention exports 5 by setting oilhole, the oil outlet of oilhole outlet 5 with it is described
The surface 2 of axle journal connects, while by the first inclined surface 6 of setting, being located between the oilhole ontology 4 and oilhole outlet 5,
The oilhole ontology 4 is connect with oilhole outlet 5 by 6 transition of the first inclined surface, meanwhile, first inclined surface 6
A part of one end close to oilhole outlet 5 is connect with the surface 2 of the axle journal, rest part and oilhole outlet 5
Connection, in this way, what the surface 2 that can effectively remove oilhole wall 1 and axle journal parallel with the axis of oilhole shown in Fig. 1 was formed
Acuter angles 3, thus the stress concentration phenomenon of the position is effectively eliminated, avoid the fatigue strength risk at this.Meanwhile by
It is greater than the numerical value of the first diameter in the numerical value of the second diameter, therefore, the diameter in oilhole exit is greater than oilhole ontology
Diameter, increase the size of oilhole outlet, greatly facilitate lubricating oil to the diffusion of axial workpiece lubrication and cooling.
Fig. 3 is the schematic diagram of stepped oil hole structure in accordance with another embodiment of the present invention.As shown in figure 3, the rank
Ladder type oil hole structure can also include the second inclined surface 7, described between oilhole outlet 5 and the surface 2 of the axle journal
Oilhole outlet 5 is connect with the surface 2 of the axle journal by second inclined surface transition.
Meanwhile as shown in figure 3, the step type oil hole structure can also incline including third inclined surface 8 positioned at described first
Between inclined-plane 6 and the surface 2 of the axle journal, first inclined surface 6 and the surface 2 of the axle journal pass through the third inclined surface
8 transition connection.
By the second inclined surface of setting 7 and third inclined surface 8, the outlet 5 of removal oilhole and the first inclined surface 6 are not only contributed to
Respectively with the sharp parts of 2 contact position of the surface of axle journal, the size of oilhole outlet is also further increased, lubrication is greatly facilitated
Oil is to the diffusion lubrication of axial workpiece and cooling.
Specifically, second inclined surface 7 connect one smooth joint face of composition with the third inclined surface 8 from beginning to end.
It is to be understood that the second inclined surface 7 is the chamfer machining face between oilhole outlet 5 and the surface 2 of axle journal, third
Chamfer machining face of the inclined surface 8 between the first inclined surface 6 and the surface 2 of axle journal.Processing second inclined surface 7 and third
When inclined surface 8, both of the aforesaid inclined surface can be gone out with a chamfer machining tool processes, thus the second inclined surface 7 and third are inclined
Inclined-plane 8 can connect one smooth joint face of composition from beginning to end.
It meanwhile when processing above-mentioned stepped oil hole structure, can be processed: be drilled out first with the using following methods
The cylindrical oilhole ontology of one diameter, it is the cylindrical oilhole outlet that part has second diameter that next, which drills out its shape,
Wherein, the first inclined surface 6 is the cone angle face for drilling out the drill bit of oilhole outlet, finally between oilhole outlet 5 and the surface 2 of axle journal
And first do chamfer machining between inclined surface 6 and the surface 2 of axle journal, to form the second inclined surface 7 and third inclined surface 8.Such as
This, just completes the processing of stepped oil hole structure.
Further, it is to be appreciated that the angle that the axis where the 4 place axis of oilhole ontology and the axle journal is formed
It can be any value between 0 ° -180 °, the tilt angle of first inclined surface 6 can be any between 0 ° -180 °
The tilt angle of numerical value, second inclined surface 7 and the joint face of the third inclined surface 8 composition can be 0 ° -180 °
Between any value.Because of the value regardless of above-mentioned angle, it can achieve and eliminate 3 part of acuter angles in Fig. 1
Purpose avoids the fatigue strength risk at this to eliminate the stress concentration phenomenon of the position.
It particularly, further include described above positioned at the axis the present invention also provides a kind of vehicle, including axial workpiece
Stepped oil hole structure at class part.
Since the vehicle includes above-mentioned stepped oil hole structure, 5 are exported by setting oilhole, the oilhole outlet
5 oil outlet is connect with the surface 2 of the axle journal, while by the first inclined surface 6 of setting, being located at the oilhole ontology 4 and institute
It states between oilhole outlet 5, the oilhole ontology 4 is connect with oilhole outlet 5 by 6 transition of the first inclined surface, meanwhile,
The a part of one end of first inclined surface 6 close to oilhole outlet 5 is connect with the surface 2 of the axle journal, rest part
It is connect with oilhole outlet 5, in this way, oilhole wall 1 and axis parallel with the axis of oilhole shown in Fig. 1 can be effectively removed
The acuter angles 3 that the surface 2 of neck is formed, thus the stress concentration phenomenon of the position is effectively eliminated, avoid the fatigue at this
Intensity risk.Simultaneously as the numerical value of the second diameter is greater than the numerical value of the first diameter, therefore, oilhole exit
Diameter is greater than the diameter of oilhole ontology, increases the size of oilhole outlet, greatly facilitates diffusion of the lubricating oil to axial workpiece
Lubrication and cooling.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein is exemplary
Embodiment still without departing from the spirit and scope of the present invention, can still directly determine according to the present disclosure
Or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the invention should be understood and defined as
Cover all such other variations or modifications.
Claims (8)
1. a kind of step type oil hole structure, is located at axial workpiece, the axial workpiece has axle journal, the step type oilhole knot
Structure includes:
Oilhole ontology, the shape of the oilhole ontology are the cylinder with first diameter；
The oil outlet of oilhole outlet, the oilhole outlet connect with the surface of the axle journal, and its shape is partially with the
The cylinder of two diameters, while the numerical value of the second diameter is greater than the numerical value of the first diameter；With
First inclined surface is located between the oilhole ontology and oilhole outlet, and the oilhole ontology and the oilhole export
It is connected by first inclined surface transition, meanwhile, a part of first inclined surface close to one end that the oilhole exports
It is connect with the surface of the axle journal, rest part and oilhole outlet connect.
2. step type oil hole structure according to claim 1, which is characterized in that further include the second inclined surface, be located at described
Between oilhole outlet and the surface of the axle journal, the oilhole outlet and the surface of the axle journal pass through second inclined surface mistake
Cross connection.
3. step type oil hole structure according to claim 2, which is characterized in that further include third inclined surface, be located at described
Between first inclined surface and the surface of the axle journal, first inclined surface and the surface of the axle journal are tilted by the third
Face transition connection.
4. step type oil hole structure according to claim 3, which is characterized in that incline with the third second inclined surface
Inclined-plane head and the tail connection one smooth joint face of composition.
5. step type oil hole structure according to claim 1, which is characterized in that axis and institute where the oilhole ontology
The angle that axis where stating axle journal is formed is any value between 0 ° -180 °.
6. step type oil hole structure according to claim 1, which is characterized in that the tilt angle of first inclined surface is
Any value between 0 ° -180 °.
7. step type oil hole structure according to claim 4, which is characterized in that incline with the third second inclined surface
The tilt angle of the joint face of inclined-plane composition is any value between 0 ° -180 °.
8. a kind of vehicle, including axial workpiece, which is characterized in that further include being located at as of any of claims 1-7
Stepped oil hole structure at the axial workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969396.9A CN109084010B (en) | 2018-08-23 | 2018-08-23 | Notch cuttype oilhole structure and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810969396.9A CN109084010B (en) | 2018-08-23 | 2018-08-23 | Notch cuttype oilhole structure and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109084010A true CN109084010A (en) | 2018-12-25 |
| CN109084010B CN109084010B (en) | 2020-12-18 |
Family
ID=64794486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810969396.9A Active CN109084010B (en) | 2018-08-23 | 2018-08-23 | Notch cuttype oilhole structure and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084010B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6007448A (en) * | 1997-08-28 | 1999-12-28 | Honda Giken Kogyo Kabushiki Kaisha | Lubrication structure for planetary gear assembly |
| JP2009197821A (en) * | 2008-02-19 | 2009-09-03 | Nsk Ltd | Planetary gear mechanism |
| CN202215574U (en) * | 2011-08-15 | 2012-05-09 | 东风康明斯发动机有限公司 | Engine crankshaft of automobile |
| CN103291732A (en) * | 2013-04-16 | 2013-09-11 | 中国兵器工业集团第七0研究 | Oilhole chamfer structure of engine crankshaft |
| JP2014144773A (en) * | 2014-03-13 | 2014-08-14 | Jtekt Corp | Method of producing bearing device for wheel |
| CN106181273A (en) * | 2016-07-19 | 2016-12-07 | 天润曲轴股份有限公司 | A kind of processing method of high torsional fatigue strength bent axle |
-
2018
- 2018-08-23 CN CN201810969396.9A patent/CN109084010B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6007448A (en) * | 1997-08-28 | 1999-12-28 | Honda Giken Kogyo Kabushiki Kaisha | Lubrication structure for planetary gear assembly |
| JP2009197821A (en) * | 2008-02-19 | 2009-09-03 | Nsk Ltd | Planetary gear mechanism |
| CN202215574U (en) * | 2011-08-15 | 2012-05-09 | 东风康明斯发动机有限公司 | Engine crankshaft of automobile |
| CN103291732A (en) * | 2013-04-16 | 2013-09-11 | 中国兵器工业集团第七0研究 | Oilhole chamfer structure of engine crankshaft |
| JP2014144773A (en) * | 2014-03-13 | 2014-08-14 | Jtekt Corp | Method of producing bearing device for wheel |
| CN106181273A (en) * | 2016-07-19 | 2016-12-07 | 天润曲轴股份有限公司 | A kind of processing method of high torsional fatigue strength bent axle |
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| Publication number | Publication date |
|---|---|
| CN109084010B (en) | 2020-12-18 |
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