CN211174267U - Dry-wet combined internal combustion engine oil pan - Google Patents
Dry-wet combined internal combustion engine oil pan Download PDFInfo
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- CN211174267U CN211174267U CN201921554113.0U CN201921554113U CN211174267U CN 211174267 U CN211174267 U CN 211174267U CN 201921554113 U CN201921554113 U CN 201921554113U CN 211174267 U CN211174267 U CN 211174267U
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Abstract
The utility model relates to the technical field of internal combustion engines, in particular to a dry-wet combined internal combustion engine oil pan, which comprises an oil pan body, an oil return pump, an oil return area and an oil storage area which are separately arranged on the oil pan body; the bottom of the oil return area is provided with an oil return port, the oil return port is communicated with an inlet of the oil return pump through an oil return passage, and an outlet of the oil return pump is communicated with the oil storage area through the oil return passage. The utility model discloses an integration of wet-type oil pan function and dry-type oil pan function, the integrated level is high, can guarantee the operation of the big inclination of engine again, can satisfy the operation demand of high-speed violent operation engine.
Description
Technical Field
The utility model relates to an internal-combustion engine technical field, in particular to do wet convolution internal-combustion engine oil pan.
Background
The oil sump is used for collecting and storing lubricating oil flowing back from each friction surface of the diesel engine, and dissipating part of heat to prevent the lubricating oil from being oxidized. At present, most engines use wet oil pans which have the functions of collecting and storing oil, but have large volume and limited range of running inclination angles of vehicles. The wet oil sump has certain requirements on oil level, and when the oil level is too high, the oil is immersed in the bearing, so that the high-speed rotation resistance of the crankshaft is increased, and lubricating oil enters the cylinder to further cause the problems of performance reduction of an engine, engine oil burning and the like; when the oil level is too low, the oil suction pipe can suck air, the friction surface is free of lubricating oil, and the problem of tile burning is caused. The wet oil sump has certain limitation on the inclination angle of the engine and has a relatively small range. Is not easy to control and can not meet various unfavorable problems caused by fierce driving.
In addition, a dry oil pan structure is adopted in the prior art, namely an oil storage part of the oil pan is eliminated, an external oil tank is adopted for storing oil, and the dry oil pan is used for racing cars. Chinese patent CN104033207A, discloses an engine dry sump system, comprising: a dry sump comprising: the oil sump comprises a dry oil sump body, an oil collecting groove formed in the bottom of the dry oil sump body and an external oil pump interface formed on the side face of the dry oil sump body, wherein the inner end of the external oil pump interface is communicated with the oil collecting groove; an oil reservoir mounted outside the engine; the external oil pump is arranged outside the engine crankcase and is respectively connected with the external oil pump interface and the oil storage tank of the dry oil pan through a lubricating oil pipeline; and the built-in oil pump is arranged inside the engine crankcase and is connected with the oil storage tank through a lubricating oil pipeline. The dry oil pan system of the engine reduces the overall height of the engine and improves the adaptability of the engine in a narrow space.
The dry-type oil pan has not had the oil storage function, and the friction member surface goes out machine oil through the metering orifice and lubricates, and the oil-well pump is with the machine oil suction external oil tank of backward flow, but like this greatly reduced oil pan height, the engine focus descends thereupon, assembles the engine manipulation performance also can promote greatly on whole car simultaneously. But an oil tank needs to be additionally arranged, and other arrangement space is increased. However, the dry sump needs to be additionally provided with an oil tank, and other arrangement space is increased.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wet combination formula internal-combustion engine oil pan futilely has realized the integration of wet-type oil pan function and dry-type oil pan function, and the integrated level is high, can realize the operation of the big inclination of engine again, can satisfy the operation demand of the high-speed violent operation engine.
The technical scheme of the utility model as follows:
a dry-wet combined internal combustion engine oil pan comprises an oil pan body, an oil return pump arranged in the oil pan body, and an oil return area and an oil storage area which are arranged on the oil pan body in a separating manner; the oil storage area is located the bottom of oil pan body, oil return district with the oil storage area is separated and is set up, oil return district bottom is provided with the oil return mouth, the oil return mouth pass through oil return passage with the entry intercommunication of time oil pump, the export of time oil pump passes through oil return passage with the oil storage area intercommunication. The utility model discloses integrated wet-type oil pan and dry-type oil pan's function, oil return district with the independent setting is separated in the oil storage district, realizes gathering oil and oil storage function, in addition, can guarantee the operation of the big inclination of engine in sports type vehicle driving, can satisfy the operation demand of high-speed violent operation engine.
Preferably, the bottom in oil return district is higher than the bottom in oil storage district, is favorable to smooth and easy the carrying of lubricating oil, reduces the work load of oil return pump.
Preferably, the number of the oil return areas is more than two, the number of the oil return pumps is more than two, a plurality of oil return areas are matched with the plurality of oil return pumps, and therefore the area where the lubricating oil can flow back is covered on a large scale, the lubricating oil is better prevented from being deposited, and the resistance of the crankshaft in high-speed rotation is reduced.
Preferably, oil return passage integrated into one piece sets up inside the oil pan body, the integrated level is high, and the rigidity is good, has reduced the installation procedure, reduce cost.
Preferably, the oil return pump outlet and the oil circuit between the oil storage areas are also provided with an engine body pressure stabilizing cavity, and the engine body pressure stabilizing cavity also has an oil storage function, so that the oil storage capacity of the oil pan is increased, the pressure of lubricating oil is stabilized, and the lubricating system works more stably and reliably.
Preferably, the body pressure stabilizing cavity is arranged above the oil storage area, a defoaming plate is arranged at the interface of the oil storage area and the body pressure stabilizing cavity, namely, the defoaming plate is arranged at the outlet of the body pressure stabilizing cavity or the inlet of the oil storage area, lubricating oil passes through the body pressure stabilizing cavity and is arranged above the oil storage area after coming out of the body pressure stabilizing cavity, the defoaming plate is arranged at the interface of the oil storage area and the body pressure stabilizing cavity and enters the oil storage area, and the defoaming plate can be used for stopping the oil when the engine vibrates seriously, so that the oil suction channel of the oil pump in the lubricating system is submerged by the lubricating oil, the oil pump can suck the lubricating oil at any time, and the working stability and reliability of the engine lubricating system are ensured.
The utility model has the advantages that:
1. the utility model discloses collection oil and the regional division of oil storage independently set up, realize gathering oil and oil storage function, avoided the dry-type oil pan to need add the problem of external oil tank, possess the advantage of dry-type oil pan again, can realize the big inclination operation of car after assembling on whole car simultaneously, can satisfy the operation demand of the high-speed violent operation engine.
2. The oil return area and the oil storage area are communicated through the oil passage integrated in the oil pan body, the structure is compact, the integration level is high, and the working procedures are simplified.
3. Through the design of the body pressure stabilizing cavity and the defoaming plate, the pressure of lubricating oil is stabilized, the lubricating oil can be sucked by the oil pump at any time, and the working stability and reliability of an engine lubricating system are ensured.
Drawings
Fig. 1 is a schematic structural diagram of an oil pan of a dry-wet combined internal combustion engine according to the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a schematic structural view of embodiment 2 of the present invention.
Fig. 4 is a sectional view of the structure of the body plenum and the oil storage area of the present invention.
In the figure: 1-an oil pan body, 101-an oil return channel, 2-an oil return pump, 201-a first oil return pump, 202-a second oil return pump, 3-an oil return area, 301-a first oil return area, 302-a second oil return area, 303-a third oil return area, 304-a fourth oil return area, 4-an oil storage area, 5-an oil return port, 6-a body pressure stabilizing cavity, 7-a defoaming plate, 8-an oil pump and 9-an oil conveying channel.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Example 1:
as shown in fig. 1 and fig. 2, a dry-wet combined internal combustion engine oil pan comprises an oil pan body 1, and is arranged in an oil return pump 2 arranged inside the oil pan body 1 and separately arranged in an oil return area 3 and an oil storage area 4 on the oil pan body 1, wherein the oil return area 3 and the oil storage area 4 are separately arranged, an oil return opening 5 is arranged at the bottom of the oil return area 3, the oil return opening 5 is communicated with an inlet of the oil return pump 2 through an oil return passage 101, and an outlet of the oil return pump 2 is communicated with the oil storage area 4 through the oil return passage 101.
The working principle of the embodiment is as follows:
fig. 1 shows the utility model discloses the lubricating oil flow direction of during operation, engine lubrication system during operation, oil pump 8 inhales lubricating oil from the oil storage area 4 of oil pan, get into defeated oil duct 9, supply with lubricating oil in pipe-line system with certain pressure and flow, lubricating oil cools off in advancing the entering machine oil cooler, the oil that comes out from the oil cooler gets into and carries out the colander in the machine oil strains, oil after the colander just directly gets into the main oil duct, set up the bypass valve before the main oil duct to restriction main oil duct pressure principle, lubricating oil is distributed from the main oil duct, gets into each lubricated node through respective passageway, lubricate and cool off the friction pair, flow back to oil return area 3 of oil pan at last, oil return pump 2 is with lubricating oil from the oil pan oil return area 3 pumpback in the oil storage area 4, realize the oil circuit circulation.
In the working process of the lubricating system, an engine crankshaft is arranged above the oil return area 3, and the oil return area 3 is not accumulated with redundant lubricating oil all the time, so that overlarge resistance of the engine crankshaft under a large-inclination-angle running working condition is avoided, the control is facilitated, various adverse problems caused by violent driving are met, and the dry oil pan has the advantages of a dry oil pan.
The oil storage area 4 is arranged, so that the functions of collecting and storing oil are realized, the arrangement of an external oil tank is avoided, and the wet oil pan has the advantage of being provided.
Example 2:
as shown in fig. 3-4, a dry-wet combined internal combustion engine oil pan comprises an oil pan body 1, an oil return pump 2 arranged inside the oil pan body 1 and separately arranged an oil return area 3 and an oil storage area 4 on the oil pan body 1, wherein the oil return area 3 and the oil storage area 4 are separately arranged, the oil storage area 4 is located at the bottom of the oil pan body 1, an oil return opening 5 is arranged at the bottom of the oil return area 3, the oil return opening 5 is communicated with an inlet of the oil return pump 2 through an oil return passage 101, and an outlet of the oil return pump 2 is communicated with the oil storage area 4 through the oil return passage 101.
The bottom of the oil return area 3 is higher than the bottom of the oil storage area 4, so that smooth conveying of lubricating oil is facilitated, and the working load of the oil return pump 2 is reduced.
As shown in fig. 3, the number of the oil return areas 3 is 4, specifically: the first oil return area 301, the second oil return area 302, the third oil return area 303 and the fourth oil return area 304 are positioned on two sides of the oil pan, and the first oil return area 301 and the fourth oil return area 304 are positioned in the middle of the oil pan; the number of the oil return pumps 2 is two, specifically, the first oil return pump 201 and the second oil return pump 202, the first oil return pump 201 pumps lubricating oil of the first oil return area 301 and the fourth oil return area 304, the second oil return pump 202 pumps lubricating oil of the third oil return area 303 and the second oil return area 302, and then the first oil return pump 201 and the second oil return pump 202 are merged into one oil transportation channel. The oil return areas 3 are matched with the oil return pumps 2, so that the area where the lubricating oil can flow back can be covered in a large range, the lubricating oil is better prevented from being deposited, and the resistance of the high-speed rotation of the crankshaft is reduced.
The oil return passage 101 is integrally formed inside the oil pan body 1 and is integrally formed in a casting mode.
As shown in fig. 4, a body pressure stabilizing cavity 6 is further arranged on an oil path between the oil return pump 2 and the oil storage area 4.
Organism steady voltage chamber 6 sets up 4 tops in the oil storage district, the oil storage district 4 with the kneck in organism steady voltage chamber 6 is provided with defoaming board 7, defoaming board 7 sets up on the export of 6 bottoms in organism steady voltage chamber, defoaming board 7 is the honeycomb panel structure, and the cover is provided with a plurality of oilholes. After the lubricating oil comes out from the machine body pressure stabilizing cavity 6, the lubricating oil enters the oil storage area 4 through a defoaming plate 7 arranged on an outlet of the machine body pressure stabilizing cavity 6.
The working principle of the embodiment is as follows:
fig. 3 shows the utility model discloses a lubricating oil flow direction, engine lubrication system during operation, lubricating oil is inhaled from the oil storage area 4 of oil pan to oil pump 8, get into oil transmission duct 9, supply with lubricating oil to pipe-line system in certain pressure and flow, lubricating oil cools off in advancing the entering oil cooler, oil entering oil that comes out from the oil cooler filters and carries out the colating, oil after the colating just directly gets into the main oil duct, set up the bypass valve before the main oil duct, in order to restrict main oil duct pressure principle, lubricating oil is distributed from the main oil duct, get into each lubricated node through respective passageway, lubricate and cool off the friction pair, flow back to oil return area 3 of oil pan at last.
Then, the first oil return pump 201 pumps the lubricating oil in the first oil return area 301 and the fourth oil return area 304, the second oil return pump 202 pumps the lubricating oil in the third oil return area 303 and the second oil return area 302, then the first oil return pump 201 and the second oil return pump 202 are converged into one oil conveying channel, the lubricating oil enters the pressure stabilizing cavity 6 of the machine body, passes through the defoaming plate 7 and enters the oil storage area 4, and the circulation work of the lubricating system is completed.
Example 3:
this embodiment is different from embodiment 2 described above in that: the oil return area 3 is set to two, the number of the oil return pumps 2 is also set to two, one oil return pump 2 corresponds to one oil return area 3, the oil return pump 2 pumps lubricating oil in the oil return area 3, and the defoaming plate 7 is arranged on an inlet at the top of the oil storage area 4.
Claims (6)
1. A wet combination formula internal-combustion engine oil pan futilely which characterized in that: the oil pan comprises an oil pan body (1), an oil return pump (2) arranged in the oil pan body (1), and an oil return area (3) and an oil storage area (4) which are arranged on the oil pan body (1) in a separating manner; the oil return area (3) bottom is provided with oil return opening (5), oil return opening (5) through oil return passageway (101) with the entry intercommunication of oil return pump (2), the export of oil return pump (2) is passed through oil return passageway (101) with oil storage area (4) intercommunication.
2. The dry-wet combined internal combustion engine oil pan according to claim 1, wherein: the bottom of the oil return area (3) is higher than the bottom of the oil storage area (4).
3. A dry-wet combined internal combustion engine oil pan according to claim 1 or 2, wherein: the number of the oil return areas (3) is more than two, and the number of the oil return pumps (2) is more than two.
4. A dry-wet combined internal combustion engine oil pan according to claim 1 or 2, wherein: the oil return passage (101) is integrally formed inside the oil pan body (1).
5. A dry-wet combined internal combustion engine oil pan according to claim 1 or 2, wherein: and an oil circuit between the oil return pump (2) and the oil storage area (4) is also provided with a machine body pressure stabilizing cavity (6).
6. The dry-wet combined internal combustion engine oil pan according to claim 5, wherein: organism steady voltage chamber (6) set up oil storage district (4) top, the kneck of oil storage district (4) with organism steady voltage chamber (6) is provided with defoaming board (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921554113.0U CN211174267U (en) | 2019-09-18 | 2019-09-18 | Dry-wet combined internal combustion engine oil pan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921554113.0U CN211174267U (en) | 2019-09-18 | 2019-09-18 | Dry-wet combined internal combustion engine oil pan |
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| CN211174267U true CN211174267U (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552755A (en) * | 2019-09-18 | 2019-12-10 | 广西玉柴机器股份有限公司 | Dry-wet combined internal combustion engine oil pan |
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- 2019-09-18 CN CN201921554113.0U patent/CN211174267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552755A (en) * | 2019-09-18 | 2019-12-10 | 广西玉柴机器股份有限公司 | Dry-wet combined internal combustion engine oil pan |
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