CN112983593A - Oil pan system automatically adapting to inclination of engine - Google Patents
Oil pan system automatically adapting to inclination of engine Download PDFInfo
- Publication number
- CN112983593A CN112983593A CN202110327218.8A CN202110327218A CN112983593A CN 112983593 A CN112983593 A CN 112983593A CN 202110327218 A CN202110327218 A CN 202110327218A CN 112983593 A CN112983593 A CN 112983593A
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- oil
- suction pipe
- pipe body
- port
- oil suction
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/0004—Oilsumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/06—Means for keeping lubricant level constant or for accommodating movement or position of machines or engines
- F01M11/062—Accommodating movement or position of machines or engines, e.g. dry sumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides an oil pan system capable of automatically adapting to the inclination of an engine, which comprises an oil pan body and an oil suction pipe assembly, wherein the oil pan body is provided with a plurality of oil suction pipes; an oil storage chamber is arranged on the oil pan body; the oil suction pipe assembly comprises an oil suction pipe body, a first port and a second port are respectively arranged at two ends of the oil suction pipe body, and a first oil inlet, a second oil inlet and an oil outlet are formed in the oil suction pipe body; a piston is arranged in the oil suction pipe body and comprises a first plunger piston and a second plunger piston which are connected by a connecting rod, and the first plunger piston and the second plunger piston are in sliding fit with the inner wall of the oil suction pipe body; the first port, the second port, the first oil inlet and the second oil inlet are communicated with the oil storage chamber. The oil pan system can control the communication between the engine oil inlet and the oil outlet through the movement of the piston in the oil suction pipe body when the motorcycle is inclined, and can prevent the oil suction pipe from sucking air and improve the reliability of the lubricating system on the premise of ensuring the reliable oil suction of the engine oil pump. The invention also provides an oil pan system.
Description
Technical Field
The invention relates to the technical field of motorcycle engines, in particular to an oil pan system capable of automatically adapting to engine inclination.
Background
In the field of motorcycle engines, an oil sump, i.e. an oil sump which is usually located at the bottom of an engine and stores and collects engine oil, is used for ensuring normal lubricating oil for various parts of the engine on the premise of normal oil storage. The oil pan is generally classified into a dry oil pan, which stores/supplies oil mainly through an external oil tank, and a wet oil pan, which directly uses the oil pan as an oil storage/supply space. A wet sump structure is described herein.
The oil suction pipe is a structure connecting the oil pan and the oil pump, and is generally installed inside the oil pan to guide the oil in the oil pan to the oil pump. Motorcycles, particularly mountain motorcycles, cross-country motorcycles and the like, often run under inclined and swinging working conditions, and at a certain engine oil level height, the inclination of an engine can enable an inlet of an oil suction pipe to be above the liquid level, so that the engine oil pump cannot reliably suck oil, and the reliable operation of the engine is influenced.
In the prior art, some increase the baffle at the oil pan, also some arrange level gauge cooperation mechanical structure at the oil pan, nevertheless mainly have following problem in the above-mentioned improved structure: 1. uncontrollable and low in reliability; 2. the parts are multiple and the structure is complex. Therefore, a reliable, high and simple oil pan system is needed to solve the above problems.
Disclosure of Invention
In view of the above, an object of the present invention is to provide an oil pan system capable of automatically adapting to engine inclination, which can ensure reliable operation of an engine under a condition of shaking or large front-back inclination angle, prevent an oil suction pipe from sucking air, and improve reliability of a lubrication system.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention firstly provides an oil pan system capable of automatically adapting to the inclination of an engine, which comprises an oil pan body and an oil suction pipe assembly;
an oil storage chamber is arranged on the oil pan body;
the oil suction pipe assembly comprises an oil suction pipe body, a first port and a second port are respectively arranged at two ends of the oil suction pipe body, and a first oil inlet and a second oil inlet for engine oil to enter and an oil outlet for engine oil to flow out are formed in the oil suction pipe body;
a piston is arranged in the oil suction pipe body and comprises a first plunger piston and a second plunger piston which are connected by a connecting rod, and the first plunger piston and the second plunger piston are in sliding fit with the inner wall of the oil suction pipe body;
the length of the piston is greater than or equal to the distance between the first port and the farthest point of the first oil inlet along the axial direction of the oil suction pipe body, and is less than or equal to the distance between the first port and the closest point of the second oil inlet along the axial direction of the oil suction pipe body, and the length of the piston is greater than or equal to the distance between the second port and the farthest point of the second oil inlet along the axial direction of the oil suction pipe body, and is less than or equal to the distance between the second port and the closest point of the first port along the axial direction of the oil suction pipe body;
the oil outlet is arranged between the first oil inlet and the second oil inlet;
the first port, the second port, the first oil inlet and the second oil inlet are communicated with the oil storage chamber.
Further, all be equipped with the filter screen in first port, second port, first oil inlet and the second oil inlet.
Further, the first oil inlet and the second oil inlet are arranged on the same side of the oil suction pipe body, and the oil outlet is arranged on the opposite side of the first oil inlet and the second oil inlet.
Further, the axes of the first oil inlet, the second oil inlet and the oil outlet are located on the same plane.
Furthermore, a metal inner sleeve attached to the inner wall of the oil suction pipe is arranged in the oil suction pipe body, openings are formed in the positions, corresponding to the first oil inlet, the second oil inlet and the oil outlet, of the metal inner sleeve, and the first plunger and the second plunger are in clearance fit with the metal inner sleeve.
Further, the diameter of the first and second plungers is greater than twice the diameter of the connecting rod.
Further, the oil suction pipe assembly further comprises an installation assembly, the oil suction pipe body is fixedly arranged on the installation assembly, and a first installation interface and a second installation interface are respectively arranged at two ends of the installation assembly.
Furthermore, the front end and the rear end of the oil pan body are respectively provided with a mounting hole corresponding to the first mounting interface and the second mounting interface.
Further, the oil suction pipe assembly is connected with the oil pan body through bolts.
Further, the oil suction pipe body is made of plastics.
The invention has the beneficial effects that:
the invention provides an oil pan system automatically adapting to the inclination of an engine, which can control the communication of an engine oil inlet and an oil outlet through the movement of a piston in an oil suction pipe body when a motorcycle shakes or inclines, can prevent the oil suction pipe from sucking air on the premise of ensuring the reliable oil suction of an oil pump, improves the reliability of a lubricating system, and is simple in structure and high in reliability because an oil suction pipe assembly is arranged on the oil pan body.
Drawings
In order to make the object, technical scheme and beneficial effect of the invention more clear, the invention provides the following drawings for explanation:
FIG. 1 is a schematic structural view of an embodiment of an oil suction tube assembly of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view of the suction pipe body when the motorcycle is in an uphill state;
FIG. 4 is a sectional view of the suction pipe body when the motorcycle is in a downhill state;
figure 5 is a cross-sectional view of the suction pipe body;
FIG. 6 is a schematic view of a piston;
FIG. 7 is a schematic diagram of an oil pan system according to an embodiment of the present invention for automatically adapting to engine tilting.
Description of reference numerals:
1-oil suction pipe body; 2-a first port; 3-a piston; 31-a first plunger; 32-a second plunger; 33-a connecting rod; 4-a first oil inlet; 5-a second oil inlet; 6-oil outlet; 7-filtering with a filter screen; 8-metal inner sleeve; 9-a first mounting interface; 10-a second mounting interface; 11-oil sump body; 12-an oil reservoir; 13-second port.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
EXAMPLE 1 oil sump Assembly
As shown in fig. 1-2, which are a schematic structural diagram and a cross-sectional view respectively of an oil suction pipe assembly embodiment of the present invention, the oil suction pipe assembly includes an oil suction pipe body 1, a first port 2 and a second port 13 are respectively disposed at two ends of the oil suction pipe body 1, the oil suction pipe body 1 is provided with a first oil inlet 4 for engine oil to enter, a second oil inlet 5 and an oil outlet 6 for engine oil to flow out, in this embodiment, the first oil inlet 4 and the second oil inlet 5 are both located at a lower side of the oil suction pipe body 1, as shown in fig. 2;
the interior of the oil suction pipe body 1 is provided with a piston 3, the piston 3 comprises a first plunger 31 and a second plunger 32 which are connected by a connecting rod 33, and the first plunger 31 and the second plunger 32 are in sliding fit with the inner wall of the oil suction pipe body 1. Specifically, the diameters of the first plunger 31 and the second plunger 32 are larger than twice of the diameter of the connecting rod 33, so that a larger passage for oil to flow through can be formed, and the oil can flow in the inner cavity of the oil suction pipe body 1 conveniently;
the length of the piston 3 is greater than or equal to the distance between the first port 2 and the farthest point of the first oil inlet 4 along the axial direction of the oil suction pipe body 1, and is less than or equal to the distance between the first port 2 and the closest point of the second oil inlet 5 along the axial direction of the oil suction pipe body 1, and the length of the piston 3 is greater than or equal to the distance between the second port 13 and the farthest point of the second oil inlet 5 along the axial direction of the oil suction pipe body 1, and is less than or equal to the distance between the second port 13 and the closest point of the first port 4 along the axial direction of the oil suction pipe body 1;
the oil outlet 6 is arranged between the first oil inlet 4 and the second oil inlet 5 and is positioned on the opposite side of the first oil inlet 4 and the second oil inlet 5, which is beneficial to the installation of the oil suction pipe body 1 on an engine.
The oil suction pipe assembly is arranged along the front and rear direction of the engine, and the specific working conditions are as follows:
(1) when the engine is in horizontal operation, the piston 3 is near the middle position of the inner cavity of the suction pipe body 1, as shown in fig. 2, the engine oil enters the inner cavity of the suction pipe body 1 from the oil storage chamber through the first oil inlet 4 and the second oil inlet 5, and flows to the oil outlet 6.
(2) When the engine is tilted backwards or is in an uphill running state in the running process of the engine, as shown in fig. 3, along with the increase of the gradient, the piston 3 moves towards the rear of the engine along the inner cavity of the oil suction pipe body 1 under the action of buoyancy and gravity of engine oil, the inlet of the second oil inlet 5 is continuously enlarged, the inlet of the first oil inlet 4 is continuously reduced, when the gradient is increased to a certain degree, the piston 3 moves backwards to a limit position, and at the moment, all the engine oil enters the oil suction pipe body 1 from the second oil inlet 5 and flows to the oil outlet 6.
(3) When the engine is in a forward-tilting or downhill running state in the running process of the engine, as shown in fig. 4, along with the increase of the gradient, the piston 3 moves forward of the engine along the inner cavity of the oil suction pipe body 1 under the action of buoyancy and gravity of the engine oil, the inlet of the second oil inlet 5 is continuously reduced, the inlet of the first oil inlet 4 is continuously enlarged, when the gradient is increased to a certain degree, the piston 3 moves forward to a limit position, and at the moment, the engine oil completely enters the oil suction pipe body 1 from the first oil inlet 4 and flows to the oil outlet 6.
From the above, by controlling the length of the piston 3 and the position of the oil outlet 6, it can be ensured that the engine oil can stably flow from the first oil inlet 4 and/or the second oil inlet 5 to the oil outlet 6 no matter the motorcycle runs on a flat road, an ascending slope or a descending slope, and it can be ensured that when the inclination angle is large, the first plunger 31 or the second plunger 32 blocks the gap between the oil inlet and the oil outlet 6 on the side where the engine oil is located, so as to prevent the air from being sucked into the inner cavity of the oil suction pipe body 1.
Further, all be equipped with filter screen 7 in first port 2, second port 13, first oil inlet 4 and the second oil inlet 5 of this embodiment, and filter screen 7 size equals with corresponding each opening size respectively, can promote the filter effect. In the embodiment, the filter screens 7 at the first oil inlet 4 and the second oil inlet 5 are larger than the filter screens 7 at the first port 2 and the second port 13.
Further, the axes of the first oil inlet 4, the second oil inlet 5 and the oil outlet 6 of the present embodiment are located on the same plane, which is beneficial for the engine oil to flow between the oil inlets and the oil outlets.
Further, a metal inner sleeve 8 attached to the inner wall of the oil suction pipe body 1 of the present embodiment is arranged in the oil suction pipe body 1, openings are arranged at positions of the metal inner sleeve 8 corresponding to the first oil inlet 4, the second oil inlet 5 and the oil outlet 6, and the first plunger 31 and the second plunger 32 are in clearance fit with the metal inner sleeve 8. The metal liner 8 can optimize the sliding fit effect of the first plunger 31 and the second plunger 32 in the oil suction pipe body 1. In this embodiment, the first plunger 31 and the second plunger 32 are fitted to the metal inner case 8 with a small gap.
Further, the oil suction pipe assembly of the present embodiment further includes a mounting assembly, the oil suction pipe body 1 is fixedly disposed on the mounting assembly, and a first mounting interface 9 and a second mounting interface 10 are respectively disposed at two ends of the mounting assembly. The oil suction pipe assembly may be secured to the oil pan body 11 by means of the first and second mounting interfaces 9, 10.
Further, the oil suction pipe body 1 is made of plastic.
Example 2-automatically adapting Engine tilting sump System
As shown in fig. 7, which is a schematic diagram of an overall structure of an oil pan system according to an embodiment of the present invention, the oil pan system includes an oil pan body 11, an oil storage chamber 12 is disposed on the oil pan body 11, an oil suction pipe assembly that is configured to automatically adapt to engine inclination as described in embodiment 1 is disposed in the oil storage chamber 12, and the first port 2, the second port 13, the first oil inlet 4, and the second oil inlet 5 are communicated with the oil storage chamber 12.
Further, the front end and the rear end of the oil pan body 9 of the present embodiment are respectively provided with a mounting hole corresponding to the first mounting interface 9 and the second mounting interface 10, and the oil suction pipe assembly is connected with the oil pan body 11 by bolts. Bolted connection can fix the oil absorption pipe subassembly on oil pan body 11 comparatively conveniently, and convenient to detach.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. An oil pan system automatically adapting to engine tilting, characterized in that: comprises an oil pan body (11) and an oil suction pipe assembly;
an oil storage chamber (12) is arranged on the oil pan body (11);
the oil suction pipe assembly comprises an oil suction pipe body (1), a first port (2) and a second port (13) are respectively arranged at two ends of the oil suction pipe body (1), and a first oil inlet (4) for engine oil to enter, a second oil inlet (5) and an oil outlet (6) for engine oil to flow out are formed in the oil suction pipe body (1);
a piston (3) is arranged in the oil suction pipe body (1), the piston (3) comprises a first plunger (31) and a second plunger (32) which are connected by a connecting rod (33), and the first plunger (31) and the second plunger (32) are in sliding fit with the inner wall of the oil suction pipe body (1);
the length of the piston (3) is more than or equal to the distance between the first port (2) and the farthest point of the first oil inlet (4) along the axial direction of the oil suction pipe body (1), less than or equal to the distance between the first port (2) and the closest point of the second oil inlet (5) along the axial direction of the oil suction pipe body (1), and the length of the piston (3) is more than or equal to the distance between the second port (13) and the farthest point of the second oil inlet (5) along the axial direction of the oil suction pipe body (1), and less than or equal to the distance between the second port (13) and the closest point of the first port (4) along the axial direction of the oil suction pipe body (1);
the oil outlet (6) is arranged between the first oil inlet (4) and the second oil inlet (5);
the first port (2), the second port (13), the first oil inlet (4) and the second oil inlet (5) are communicated with the oil storage chamber (12).
2. The sump system that automatically accommodates engine tilting according to claim 1, wherein: and filter screens (7) are arranged in the first port (2), the second port (13), the first oil inlet (4) and the second oil inlet (5).
3. The sump system that automatically accommodates engine tilting according to claim 1, wherein: the first oil inlet (4) and the second oil inlet (5) are arranged on the same side of the oil suction pipe body (1), and the oil outlet (6) is arranged on the side, opposite to the first oil inlet (4) and the second oil inlet (5).
4. The sump system that automatically accommodates engine tilting according to claim 3, wherein: the axes of the first oil inlet (4), the second oil inlet (5) and the oil outlet (6) are positioned on the same plane.
5. The sump system that automatically accommodates engine tilting according to claim 1, wherein: the oil suction pipe is characterized in that a metal inner sleeve (8) attached to the inner wall of the oil suction pipe body (1) is arranged in the oil suction pipe body, openings are formed in the metal inner sleeve (8) at positions corresponding to the first oil inlet (4), the second oil inlet (5) and the oil outlet (6), and the first plunger (31) and the second plunger (32) are in clearance fit with the metal inner sleeve (8).
6. The sump system that automatically accommodates engine tilting according to claim 1, wherein: the first plunger (31) and the second plunger (32) have a diameter greater than twice the diameter of the connecting rod (33).
7. The sump system that automatically accommodates engine tilting according to claim 1, wherein: the oil suction pipe assembly further comprises a mounting assembly, the oil suction pipe body (1) is fixedly arranged on the mounting assembly, and a first mounting interface (9) and a second mounting interface (10) are respectively arranged at two ends of the mounting assembly.
8. The sump system that automatically accommodates engine tilting according to claim 7, wherein: the front end and the rear end of the oil pan body (11) are respectively provided with a mounting hole corresponding to the first mounting interface (9) and the second mounting interface (10).
9. The sump system that automatically accommodates engine tilting according to claim 8, wherein: the oil suction pipe assembly is connected with the oil pan body (11) through bolts.
10. The sump system that automatically accommodates engine tilting according to claim 1, wherein: the oil suction pipe body (1) is made of plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327218.8A CN112983593A (en) | 2021-03-26 | 2021-03-26 | Oil pan system automatically adapting to inclination of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110327218.8A CN112983593A (en) | 2021-03-26 | 2021-03-26 | Oil pan system automatically adapting to inclination of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112983593A true CN112983593A (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110327218.8A Pending CN112983593A (en) | 2021-03-26 | 2021-03-26 | Oil pan system automatically adapting to inclination of engine |
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| Country | Link |
|---|---|
| CN (1) | CN112983593A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1866280A (en) * | 1927-02-17 | 1932-07-05 | Packard Motor Car Co | Internal combustion engine |
| FR2196004A5 (en) * | 1972-08-08 | 1974-03-08 | Lancia Automobili | |
| US6260534B1 (en) * | 1998-12-28 | 2001-07-17 | Motorenfabrik Hatz Gmbh & Co. Kg | Oil pickup system for an internal combustion engine, notably a single-cylinder diesel engine |
| FR2860548A1 (en) * | 2003-10-07 | 2005-04-08 | Renault Sa | Power strainer for oil pump of thermal engine, has one opening of blocking chamber connecting suction inlets that are situated in direction opposite to another opening, and inertial blocking unit to block one opening relative to another |
| EP1990508A1 (en) * | 2007-05-07 | 2008-11-12 | Ford Global Technologies, LLC | Oil feeding system |
| CN104879526A (en) * | 2015-05-13 | 2015-09-02 | 北汽福田汽车股份有限公司 | Valve and oil supply system |
| CN106351709A (en) * | 2016-11-04 | 2017-01-25 | 重庆润通科技有限公司 | Four-stroke engine lubricating system |
| CN107829856A (en) * | 2017-12-19 | 2018-03-23 | 东风汽车集团有限公司 | A kind of adaptive diesel engine oil supply system of the gradient |
| CN111022146A (en) * | 2019-12-20 | 2020-04-17 | 中国北方发动机研究所(天津) | Anti-tilting oil pan |
-
2021
- 2021-03-26 CN CN202110327218.8A patent/CN112983593A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1866280A (en) * | 1927-02-17 | 1932-07-05 | Packard Motor Car Co | Internal combustion engine |
| FR2196004A5 (en) * | 1972-08-08 | 1974-03-08 | Lancia Automobili | |
| US6260534B1 (en) * | 1998-12-28 | 2001-07-17 | Motorenfabrik Hatz Gmbh & Co. Kg | Oil pickup system for an internal combustion engine, notably a single-cylinder diesel engine |
| FR2860548A1 (en) * | 2003-10-07 | 2005-04-08 | Renault Sa | Power strainer for oil pump of thermal engine, has one opening of blocking chamber connecting suction inlets that are situated in direction opposite to another opening, and inertial blocking unit to block one opening relative to another |
| EP1990508A1 (en) * | 2007-05-07 | 2008-11-12 | Ford Global Technologies, LLC | Oil feeding system |
| CN104879526A (en) * | 2015-05-13 | 2015-09-02 | 北汽福田汽车股份有限公司 | Valve and oil supply system |
| CN106351709A (en) * | 2016-11-04 | 2017-01-25 | 重庆润通科技有限公司 | Four-stroke engine lubricating system |
| CN107829856A (en) * | 2017-12-19 | 2018-03-23 | 东风汽车集团有限公司 | A kind of adaptive diesel engine oil supply system of the gradient |
| CN111022146A (en) * | 2019-12-20 | 2020-04-17 | 中国北方发动机研究所(天津) | Anti-tilting oil pan |
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Application publication date: 20210618 |
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