CN103671467A - Oil pump inner rotor transmission shaft applied to engine - Google Patents
Oil pump inner rotor transmission shaft applied to engine Download PDFInfo
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- CN103671467A CN103671467A CN201310684253.0A CN201310684253A CN103671467A CN 103671467 A CN103671467 A CN 103671467A CN 201310684253 A CN201310684253 A CN 201310684253A CN 103671467 A CN103671467 A CN 103671467A
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- spline
- oil pump
- internal rotor
- rotatingshaft
- transmission shaft
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Abstract
The invention discloses an oil pump inner rotor transmission shaft applied to an engine. The oil pump inner rotor transmission shaft comprises an oil pump rotating shaft and a spline rotating shaft, wherein the end part of the oil pump rotating shaft is fixedly connected with the end part of the spline rotating shaft; the central axis of the oil pump rotating shaft is the same as that of the spline rotating shaft; an oil pump spline is closely arranged outside the spline rotating shaft; an oil pump inner rotor is mounted outside the oil pump spline in a matched way. According to the oil pump inner rotor transmission shaft, necessary lubricating oil and engine oil can be provided for a heavy-loaded engine which runs at high temperature and high speed, the oil pump inner rotor can be reliably driven to rotate, uncertainty of power transmission between the oil pump inner rotor and the spline rotating shaft can be effectively prevented, and the defect that the lubricating oil cannot be timely pumped due to the fact that power cannot be timely transmitted between the oil pump inner rotor and the spline rotating shaft is overcome, so that the serious quality accident of cylinder scoring of the engine can be completely avoided, and the economy and reliability of the engine are further improved.
Description
Technical field
The present invention relates to a kind of oil pump transmission shaft for motor, relate in particular to a kind of internal rotor of lubricating pump transmission shaft being applied in motor, it is specially adapted in the vehicular engine of high speed, the low pollution of Europe III emission standard, low fuel oil consumption.
Background technique
Along with highway in China transportation is towards high speed, the development of economic, comfortable and low pollutionization, and the deflation day by day of national energy policy, for meeting the fuel limit rules of all kinds of light buses, light duty cross-country car, Dual purpose pickup truck, light truck, Economy to motor is had higher requirement, realize these requirements and will carry out architecture advances to oil pump class important spare part, guarantee motor reliability of operation, to meet the performance requirement of motor.
Summary of the invention
The deficiency existing for prior art, the object of the present invention is to provide a kind of internal rotor of lubricating pump transmission shaft being applied in motor, and this transmission shaft structure is simple, superior performance, can improve significantly the oil supply performance of motor.
Object of the present invention is achieved through the following technical solutions:
Be applied to the internal rotor of lubricating pump transmission shaft in motor, comprise oil pump rotatingshaft and spline rotatingshaft, the end of oil pump rotatingshaft is fixedly connected with the end of spline rotatingshaft, and oil pump rotatingshaft is identical with the central axis of spline rotatingshaft; The axle outside of described spline rotatingshaft is closely provided with oil pump spline, and outside cooperation of described oil pump spline is provided with internal rotor of lubricating pump.
In order to realize better the present invention, described oil pump spline is cylindrical straight gear involute splines, and its pressure angle is 40 degree; On oil pump spline, offer several keyways, described internal rotor of lubricating pump center has center hole, is provided with the key tooth cooperatively interacting with keyway in this center hole; Described internal rotor of lubricating pump is cooperatively interacted and is connected with keyway by key tooth with oil pump spline.
The invention provides a kind of preferred oil pump spline structure technological scheme: the keyway degree of depth of described oil pump spline is 6～8mm; The key tooth height value of described internal rotor of lubricating pump is than the low 1.0～2.5mm of keyway depth value.
The invention provides a kind of preferred internal rotor of lubricating pump structure technology scheme: described internal rotor of lubricating pump integral body is rectangular shape, it is protruding stupefied that the surface of internal rotor of lubricating pump has four internal rotors, and two adjacent internal rotors are protruding to be connected by internal rotor concave surface arc transition between stupefied.
Further technological scheme is: described oil pump rotatingshaft is provided with oil pump power mounting end away from one end of spline rotatingshaft.
Further technological scheme is: the end of described spline rotatingshaft is provided with spline rotatingshaft end.
As the preferred technological scheme of the present invention, be: described oil pump spline is formed by the manufacture of 40Cr alloy structure Steel material.
The present invention compares compared with prior art, has the following advantages and beneficial effect:
(1) motor that this internal rotor of lubricating pump transmission shaft can be high temperature, high load and high-speed motion provides necessary lubricant oil and machine oil, can drive reliably internal rotor of lubricating pump rotation, can effectively prevent the uncertainty of transmission of power between internal rotor of lubricating pump and spline rotatingshaft, solved the defect that the lubricant oil causing not in time because of internal rotor of lubricating pump and spline rotatingshaft transmission of power can not pump up in time, thereby stopped the great Accident due to quality of engine scuffing, improved further Economy and the reliability of motor.
(2) the present invention is simple in structure, cost is cheap, easily manufactures, and is mainly used in the supporting power of light duty cross-country car, light bus, light truck and Dual purpose pickup truck, the needs that can meet the low pollution of Europe III emission standard, low fuel oil consumption etc., its practicability is stronger.
Accompanying drawing explanation
Fig. 1 is the not structural representation of fitting machine Oil pump internal rotor of the present invention;
Fig. 2 is the structural representation that the present invention assembles internal rotor of lubricating pump.
Wherein, the corresponding name of the reference character in accompanying drawing is called:
1-oil pump rotatingshaft, 2-oil pump spline, 3-internal rotor of lubricating pump, 4-spline rotatingshaft, 5-oil pump power mounting end, 6-spline rotatingshaft end, 31-internal rotor concave surface, 32-internal rotor is protruding stupefied.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
Embodiment
As shown in Fig. 1～Fig. 2, a kind of internal rotor of lubricating pump transmission shaft being applied in motor, comprise oil pump rotatingshaft 1 and spline rotatingshaft 4, the end of oil pump rotatingshaft 1 is fixedly connected with the end of spline rotatingshaft 4, and oil pump rotatingshaft 1 is identical with the central axis of spline rotatingshaft 4.The axle outside of spline rotatingshaft 4 is closely provided with oil pump spline 2, really up to the mark being connected between the oil pump spline 2 of the present embodiment and spline rotatingshaft 4, or oil pump spline 2 is fixedly connected on spline rotatingshaft 4 by fixing pin, outside cooperation of oil pump spline 2 is provided with internal rotor of lubricating pump 3, and internal rotor of lubricating pump 3 can provide for the motor of high temperature, high load, high-speed motion necessary lubricant oil; Spline rotatingshaft 4 rotation under oil pump rotatingshaft 1 drives, so spline rotatingshaft 4 can drive internal rotor of lubricating pump 3 rotations reliably, can effectively prevent the uncertainty of internal rotor of lubricating pump 3 and spline rotatingshaft 4 transmission of power, effectively solved because of transmission of power between internal rotor of lubricating pump 3 and spline rotatingshaft 4 non-timely, lubricant oil can not pump up in time, thereby cause the great Accident due to quality of engine scuffing, the present invention can improve Economy and the reliability of motor further.
As shown in Figure 2, oil pump spline 2 is cylindrical straight gear involute splines, and its pressure angle is 40 degree; On oil pump spline 2, offer several keyways 21, internal rotor of lubricating pump 3 centers have center hole, are provided with the key tooth cooperatively interacting with keyway 21 in this center hole.Internal rotor of lubricating pump 3 is cooperatively interacted and is connected with keyway 21 by key tooth with oil pump spline 2, and internal rotor of lubricating pump 3 connects with the fastening means that is connected of oil pump spline 2 by spline like this, and the reliability and stability that its power connects are just better.
According to one embodiment of present invention, keyway 21 degree of depth of oil pump spline 2 are 6～8mm; The key tooth height value of internal rotor of lubricating pump 3 is than the low 1.0～2.5mm of keyway 21 depth value.
According to one embodiment of present invention, internal rotor of lubricating pump 3 integral body are rectangular shape, and the surface of internal rotor of lubricating pump 3 has between four protruding stupefied 32, two adjacent internal rotors protruding stupefied 32 of internal rotor and connects by internal rotor concave surface 31 arc transition.The overall structure of internal rotor protruding stupefied 32 and internal rotor concave surface 31 can be mixed machine oil effectively, improves the machine oil utilization ratio of motor.
As shown in Figure 2, oil pump rotatingshaft 1 is provided with oil pump power mounting end 5 away from one end of spline rotatingshaft 4, and during use, the oil pump rotatingshaft 1 of the present embodiment is installed on vehicle near engine location place by oil pump power mounting end 5.
As shown in Figure 2, the end of spline rotatingshaft 4 is provided with spline rotatingshaft end 6.
According to one embodiment of present invention, the oil pump spline 2 of the present embodiment is formed by the manufacture of 40Cr alloy structure Steel material.
" embodiment " that spoken of in this manual, " another embodiment ", " embodiment ", etc., refer to specific features, structure or the feature in conjunction with this embodiment, described and be included at least one embodiment that the application's generality describes.In specification, a plurality of local appearance statement of the same race is not necessarily to refer to same embodiment.Furthermore, while describing a specific features, structure or feature in conjunction with arbitrary embodiment, what advocate is in conjunction with other embodiments, to realize this feature, structure or feature also to fall within the scope of the invention.
Although invention is described with reference to a plurality of explanatory embodiments of the present invention here, but, should be appreciated that, those skilled in the art can design a lot of other modification and mode of executions, and these are revised and within mode of execution will drop on the disclosed principle scope and spirit of the application.More particularly, in the scope of, accompanying drawing open in the application and claim, can carry out multiple modification and improvement to the constituent elements of subject combination layout and/or layout.Except modification that constituent elements and/or layout are carried out with improving, to those skilled in the art, other purposes will be also obvious.
Claims (7)
1. the internal rotor of lubricating pump transmission shaft being applied in motor, it is characterized in that: comprise oil pump rotatingshaft (1) and spline rotatingshaft (4), the end of oil pump rotatingshaft (1) is fixedly connected with the end of spline rotatingshaft (4), and oil pump rotatingshaft (1) is identical with the central axis of spline rotatingshaft (4); The axle outside of described spline rotatingshaft (4) is closely provided with oil pump spline (2), and outside cooperation of described oil pump spline (2) is provided with internal rotor of lubricating pump (3).
2. according to the internal rotor of lubricating pump transmission shaft being applied in motor claimed in claim 1, it is characterized in that: described oil pump spline (2) is cylindrical straight gear involute splines, and its pressure angle is 40 degree; On oil pump spline (2), offer several keyways (21), described internal rotor of lubricating pump (3) center has center hole, is provided with the key tooth cooperatively interacting with keyway (21) in this center hole; Described internal rotor of lubricating pump (3) is cooperatively interacted and is connected with keyway (21) by key tooth with oil pump spline (2).
3. according to the internal rotor of lubricating pump transmission shaft being applied in motor claimed in claim 2, it is characterized in that: keyway (21) degree of depth of described oil pump spline (2) is 6～8mm; The key tooth height value of described internal rotor of lubricating pump (3) is than the low 1.0～2.5mm of keyway (21) depth value.
4. according to the internal rotor of lubricating pump transmission shaft in motor that is applied to described in claim 1～3 any one, it is characterized in that: described internal rotor of lubricating pump (3) integral body is rectangular shape, the surface of internal rotor of lubricating pump (3) has four internal rotors protruding stupefied (32), between two adjacent internal rotors protruding stupefied (32), by internal rotor concave surface (31) arc transition, connects.
5. according to the internal rotor of lubricating pump transmission shaft being applied in motor claimed in claim 1, it is characterized in that: described oil pump rotatingshaft (1) is provided with oil pump power mounting end (5) away from one end of spline rotatingshaft (4).
6. according to the internal rotor of lubricating pump transmission shaft in motor that is applied to described in claim 1 or 5, it is characterized in that: the end of described spline rotatingshaft (4) is provided with spline rotatingshaft end (6).
7. according to the internal rotor of lubricating pump transmission shaft in motor that is applied to described in claim 1～3 any one, it is characterized in that: described oil pump spline (2) is formed by the manufacture of 40Cr alloy structure Steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684253.0A CN103671467A (en) | 2013-12-12 | 2013-12-12 | Oil pump inner rotor transmission shaft applied to engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310684253.0A CN103671467A (en) | 2013-12-12 | 2013-12-12 | Oil pump inner rotor transmission shaft applied to engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103671467A true CN103671467A (en) | 2014-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310684253.0A Pending CN103671467A (en) | 2013-12-12 | 2013-12-12 | Oil pump inner rotor transmission shaft applied to engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103671467A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846237A (en) * | 2010-03-03 | 2010-09-29 | 南京腾源机械制造有限公司 | Lubricating pump and special pump shaft thereof |
| CN201892017U (en) * | 2010-11-13 | 2011-07-06 | 湖南机油泵股份有限公司 | Rotor oil pump of gear box |
| CN201902809U (en) * | 2010-11-20 | 2011-07-20 | 湖南机油泵股份有限公司 | Flat-square direct-transmission rotor engine oil pump |
| JP2011144701A (en) * | 2010-01-12 | 2011-07-28 | Honda Motor Co Ltd | Lubricating oil supply device for internal combustion engine |
| CN102661480A (en) * | 2012-05-04 | 2012-09-12 | 浙江平柴泵业有限公司 | Novel two-way intelligent oil pump |
| CN203892349U (en) * | 2013-12-12 | 2014-10-22 | 绵阳新晨动力机械有限公司 | Oil pump inner rotor transmission shaft applied to engine |
-
2013
- 2013-12-12 CN CN201310684253.0A patent/CN103671467A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011144701A (en) * | 2010-01-12 | 2011-07-28 | Honda Motor Co Ltd | Lubricating oil supply device for internal combustion engine |
| CN101846237A (en) * | 2010-03-03 | 2010-09-29 | 南京腾源机械制造有限公司 | Lubricating pump and special pump shaft thereof |
| CN201892017U (en) * | 2010-11-13 | 2011-07-06 | 湖南机油泵股份有限公司 | Rotor oil pump of gear box |
| CN201902809U (en) * | 2010-11-20 | 2011-07-20 | 湖南机油泵股份有限公司 | Flat-square direct-transmission rotor engine oil pump |
| CN102661480A (en) * | 2012-05-04 | 2012-09-12 | 浙江平柴泵业有限公司 | Novel two-way intelligent oil pump |
| CN203892349U (en) * | 2013-12-12 | 2014-10-22 | 绵阳新晨动力机械有限公司 | Oil pump inner rotor transmission shaft applied to engine |
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Application publication date: 20140326 |