CN203892349U - Oil pump inner rotor transmission shaft applied to engine - Google Patents
Oil pump inner rotor transmission shaft applied to engine Download PDFInfo
- Publication number
- CN203892349U CN203892349U CN201320824213.7U CN201320824213U CN203892349U CN 203892349 U CN203892349 U CN 203892349U CN 201320824213 U CN201320824213 U CN 201320824213U CN 203892349 U CN203892349 U CN 203892349U
- Authority
- CN
- China
- Prior art keywords
- spline
- oil pump
- internal rotor
- rotatingshaft
- pump
- 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 230000001050 lubricating effect Effects 0.000 claims description 42
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007704 transition Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 54
- 239000010687 lubricating oil Substances 0.000 abstract 2
- 239000010705 motor oil Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Rotary Pumps (AREA)
Abstract
The utility model discloses an oil pump inner rotor transmission shaft applied to an engine. The oil pump inner rotor transmission shaft applied to the engine is characterized by comprising 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, and the center axis of the oil pump rotating shaft is identical to that of the spline rotating shaft; an oil pump spline is tightly arranged outside the spline rotating shaft, and an oil pump inner rotor is installed outside the oil pump spline and matched with the oil pump spline. The oil pump inner rotor transmission shaft can provide necessary lubricating oil and engine oil to an engine which runs at a high speed under the conditions of high temperature and high load, the oil pump inner rotor can be reliably driven to rotate, the uncertainty of the power transmission between the oil pump inner rotor and the spline rotating shaft can be effectively prevented, and the weakness that the lubricating oil cannot be pumped up in time due to untimely power transmission between the oil pump inner rotor and the spline rotating shaft can be solved, so that the severe quality accident of the scuffing of the engine can be prevented, and the economical efficiency and reliability of the engine can be improved.
Description
Technical field
The utility model relates to a kind of oil pump transmission shaft for motor, relates in particular to a kind of internal rotor of lubricating pump transmission shaft being applied in motor, and 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 transport 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 regulation 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.
Model utility content
The deficiency existing for prior art, the purpose of this utility model 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.
The purpose of this utility model 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 utility model, 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 utility model 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 utility model provides a kind of preferred internal rotor of lubricating pump structure technology scheme: described internal rotor of lubricating pump entirety 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 utility model be: described oil pump spline is formed by the manufacture of 40Cr alloy structure Steel material.
The utility model is compared 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, solve the defect that can not pump up in time because of the lubricant oil causing not in time of internal rotor of lubricating pump and spline rotatingshaft transmission of power, thereby stop the great Accident due to quality of engine scuffing, improved further Economy and the reliability of motor.
(2) the utility model 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 low pollution, the low fuel oil consumption etc. of Europe III emission standard, its practicability is stronger.
Brief description of the drawings
Fig. 1 is the not structural representation of fitting machine Oil pump internal rotor of the utility model;
Fig. 2 is the structural representation that the utility model 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 utility model 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 necessary lubricant oil for the motor of high temperature, high load, high-speed motion; Spline rotatingshaft 4 rotation under oil pump rotatingshaft 1 drives, so spline rotatingshaft 4 can drive internal rotor of lubricating pump 3 to rotate 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 utility model 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 by the fastening means that is connected of spline with oil pump spline 2 like this, and the reliability and stability that its power connects are just better.
According to an embodiment of the present utility model, 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 an embodiment of the present utility model, internal rotor of lubricating pump 3 entirety 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 by the 31 arc transition connections of internal rotor concave surface.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 when 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 an embodiment of the present utility model, the oil pump spline 2 of the present embodiment is formed by the manufacture of 40Cr alloy structure Steel material.
" embodiment ", " another embodiment ", " embodiment " that spoken of in this manual, etc., refer to specific features, structure or the feature described in conjunction with this embodiment and be included at least one embodiment that the application's generality describes.In specification, multiple 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 to realize this feature, structure or feature in conjunction with other embodiments also to drop in scope of the present utility model.
Although model utility is described with reference to multiple explanatory embodiments of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and mode of executions, within these amendments and 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) entirety 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), connects by internal rotor concave surface (31) arc transition.
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 |
|---|---|---|---|
| CN201320824213.7U CN203892349U (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 |
|---|---|---|---|
| CN201320824213.7U CN203892349U (en) | 2013-12-12 | 2013-12-12 | Oil pump inner rotor transmission shaft applied to engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892349U true CN203892349U (en) | 2014-10-22 |
Family
ID=51718757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824213.7U Expired - Lifetime CN203892349U (en) | 2013-12-12 | 2013-12-12 | Oil pump inner rotor transmission shaft applied to engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892349U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671467A (en) * | 2013-12-12 | 2014-03-26 | 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 CN201320824213.7U patent/CN203892349U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103671467A (en) * | 2013-12-12 | 2014-03-26 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |