CN218760063U - Oil pan oil return device and engine - Google Patents
Oil pan oil return device and engine Download PDFInfo
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- CN218760063U CN218760063U CN202222855959.6U CN202222855959U CN218760063U CN 218760063 U CN218760063 U CN 218760063U CN 202222855959 U CN202222855959 U CN 202222855959U CN 218760063 U CN218760063 U CN 218760063U
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- oil
- switching valve
- valve body
- engine
- oil pan
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Abstract
The utility model provides an oil pan oil return device and engine, when the engine towards a lopsidedness, the switching case is because of self action of gravity to the extreme lower position of sliding to one side, and when the extreme lower position, a shutoff that lies in the eminence in two seal segments is located the opening of eminence, and the oil inlet and the oil-out that lie in the opening of low department pass through the circulation space intercommunication, because the oil inlet and the oil-out of shutoff top to one side, effectively avoid the oil pump to empty the taking out to it, can not send the air into in the engine lubrication oil duct, avoid leading to the engine lubrication to lose and produce serious consequence.
Description
Technical Field
The utility model relates to the technical field of engines, concretely relates to oil pan oil returning device and engine.
Background
The main function of the engine oil sump is to store oil and close the crankcase. The engine oil flowing through all parts of the engine h falls into the oil pan through self gravity and is pumped back into the oil pot through the oil pump, and the engine oil in the oil pot is pumped into the main oil duct of the engine or some accessories again, so that lubrication, cooling and cyclic utilization are realized. When the engine inclines, the engine oil in the oil pan gathers towards the inclined lower part, the oil outlet above the oil pan is easy to expose and expose to the air, and the oil pump connected with the oil outlet above the oil pan is used for air pumping, so that the air is sent into the engine, and the lubrication of the engine is lost, thereby generating serious results.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil pan oil returning device and engine when the engine slope, can not cause the air suction machine oil.
In order to solve the technical problem, the utility model adopts the following technical scheme.
According to an aspect of the utility model, the utility model provides an oil pan oil returning device, include:
an oil pan having an inner cavity;
the switching valve body is arranged at the bottom of the inner cavity of the oil pan, the switching valve body is provided with an inner channel, oil drainage holes which are arranged at two ends and communicated with the inner channel, and two groups of through holes which are arranged on the outer side wall and communicated with the inner channel, and each group of through holes respectively comprise an oil inlet communicated with the inner cavity of the oil pan and an oil outlet corresponding to the oil inlet and communicated with an oil outlet pipe;
the switching valve core is slidably arranged in an inner channel of the switching valve body and comprises two sealing sections which are hermetically attached to the inner wall of the switching valve body and a connecting section which is positioned between the two sealing sections, the distance between the two sealing sections is larger than that between the two groups of through openings, a circulation space is formed between the connecting section and the switching valve body, the switching valve core slides downwards to the lowest position due to the self gravity action of the oil pan in an inclined mode due to the inclination of the oil pan, in addition, when the lowest position is realized, one sealing part which is positioned at the high position in the two sealing sections seals the through opening which is positioned at the high position, and the oil inlet and the oil outlet of the through opening which is positioned at the low position are communicated through the circulation space.
Some embodiments of this application, oil pan oil return device still include: and the lubricating oil holes are formed in the outer side wall of the switching valve body and are positioned between the two oil inlets.
In some embodiments of the present application, two of the oil holes of each pair are disposed one above the other.
In some embodiments of the present application, the oil hole has two pairs.
In some embodiments of the present application, the inner channel of the switching valve body is cylindrical, the switching valve core has two cylindrical end portions which have the same inside diameter and can slide inside the switching valve body, two the cylindrical end portions are connected through the connector, the connector diameter is smaller than the cylindrical end portion diameter, the cylindrical end portion is the sealing section, and the connector is the connecting section.
In some embodiments of the application, the connector is provided with two semicircular bodies which have the same outer diameter as the inner diameter of the switching valve body and can slide in the switching valve body at intervals, and each semicircular body is located between the oil inlet and the lubricating oil hole.
According to an aspect of the utility model, the utility model provides an engine, including engine body and oil pan oil returning device, oil pan oil returning device is foretell oil pan oil returning device, the oil pan sets up in the bottom of engine body in order to collect the machine oil that the engine body flows.
According to the above technical scheme, the embodiment of the utility model provides an at least, following advantage and positive effect have:
when the engine inclines towards one side, the switching valve core slides downwards to the lowest position under the action of self gravity, and when the engine is at the lowest position, one of the two sealing sections, which is positioned at the high position, blocks the through opening positioned at the high position (namely, the oil inlet which is communicated with the inner cavity of the oil pan and the oil outlet which is corresponding to the oil inlet and is communicated with the oil outlet pipe), and the oil inlet and the oil outlet of the through opening positioned at the low position are communicated through the circulation space (namely, the engine oil can be gathered at the inclined lower position under the action of gravity, namely, the through opening positioned at the low position, and the engine oil pump of the pipeline works to pump the engine oil out from the oil inlet-circulation space-oil outlet).
Drawings
FIG. 1 is a schematic view of a main body of an oil pan oil return device;
FIG. 2 is a schematic view of the sump oil return arrangement when tilted;
in the figure:
1. an oil pan; 11. an inner cavity; 2. switching the valve body; 21. an oil drainage hole; 22. an oil inlet; 23. an oil outlet; 24. a lubricating oil hole; 3. switching the valve core; 31. a cylindrical end portion; 32. a connector; 321. a semi-circular body; 4. a flow-through space.
Detailed Description
While the present invention may be susceptible to embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated herein.
Thus, a feature indicated in this specification will serve to explain one of the features of an embodiment of the invention, and not to imply that every embodiment of the invention must have the described feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, the indications of directions (such as up, down, left, right, front, and rear) are used for explaining the structure and movement of the various elements of the present invention are not absolute but relative. These descriptions are appropriate when the elements are in the positions shown in the drawings. If the description of the positions of these elements changes, the indication of these directions changes accordingly.
The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.
FIG. 1 is a schematic view of a main body of an oil pan oil return device; fig. 2 is a schematic diagram of the oil pan oil return device when tilting.
Referring to fig. 1 to 2:
according to an aspect of the utility model, the utility model provides an oil pan oil returning device, include: an oil pan 1, a switching valve body 2 and a switching valve core 3; an oil pan 1 having an inner chamber 11, wherein the inner chamber 11 can store engine oil; the switching valve body 2 is arranged at the bottom of the inner cavity 11 of the oil pan 1, the switching valve body 2 is provided with an inner channel, oil drainage holes 21 which are arranged at two ends and communicated with the inner channel, and two groups of through holes which are arranged on the outer side wall and communicated with the inner channel, and each group of through holes respectively comprise an oil inlet 22 communicated with the inner cavity 11 of the oil pan 1 and an oil outlet 23 corresponding to the oil inlet 22 and communicated with an oil outlet pipe; the switching valve element 3 is slidably arranged in an inner channel of the switching valve body 2 and comprises two sealing sections which are hermetically attached to the inner wall of the switching valve body 2 and a connecting section which is located between the two sealing sections, the distance between the two sealing sections is larger than the distance between the two groups of through openings, a circulation space 4 is formed between the connecting section and the switching valve body 2, the switching valve element 3 obliquely slides downwards to a lowest position (shown in figure 2) under the action of self gravity due to the inclination of the oil pan 1, in addition, when the lowest position is reached, one sealing opening which is located at a high position in the two sealing sections blocks the through opening which is located at the high position, and an oil inlet 22 and an oil outlet 23 of the through opening which is located at the low position are communicated through the circulation space 4.
Through the arrangement, when the engine inclines towards one side, the switching valve core 3 slides downwards in an inclined way under the action of self gravity until one end of the switching valve core is blocked by one oil drainage hole 21 of the switching valve body 2, one section of the switching valve core 3 close to the other end of the switching valve core is blocked by the oil inlet 22 and the oil outlet 23 which are obliquely above the switching valve body 2, and the oil inlet 22 which is obliquely below the switching valve body 2 is communicated with the oil outlet 23 through the circulation space 4 (namely, engine oil can be gathered at the obliquely below under the action of gravity, and an engine oil pump of the pipeline works to pump the engine oil out from the oil inlet 22-the circulation space 4-the oil outlet 23).
It should be noted that, the oil drain holes 21 are formed at both ends of the switching valve body 2, so that when the engine inclines to one side, the switching valve core 3 of the internal passage of the switching valve body 2 slides obliquely downward due to the gravity of the switching valve core, and the engine oil can be discharged from the oil drain holes 21, so that the switching valve core 3 slides smoothly in the internal passage of the switching valve body 2.
Some embodiments of this application, oil pan oil returning device still includes: at least one pair of lubricating oil holes 24 are arranged on the outer side wall of the switching valve body 2, and the lubricating oil holes 24 are positioned between the two oil inlets 22; the setting of lubrication oil hole 24 for in the circulation space 4 that engine oil can get into between switching valve core 3 both ends and be formed between switching valve body 2 through lubrication oil hole 24, strengthened lubricated effect, two lubrication oil holes 24 set up from top to bottom, can be so that engine oil circulate in two lubrication oil holes 24, the lubricity is better.
Specifically, in one embodiment of the present application, two lubrication oil holes 24 of each pair are arranged above and below; two lubricating oil holes 24 arranged up and down have better lubricating oil circulation effect and stronger lubricating effect. The oil hole 24 may be formed on the outer side wall of the switching valve body 2.
Specifically, in one embodiment of the present application, the oil holes 24 have two pairs; the lubricating oil holes 24 are provided in two pairs so that the lubricating effect between both end portions of the switching spool 3 is further enhanced.
Specifically, in one embodiment of the present application, the inner channel of the switching valve body 2 is cylindrical, the switching valve core 3 has two cylindrical end portions 31 which have the same diameter as the inner diameter of the switching valve body 2 and can slide inside the switching valve body, the cylindrical end portions 31 are beneficial to slide in the cylindrical switching valve body 2, and the two cylindrical end portions 31 are connected through a connecting body 32, wherein the diameter of the connecting body 32 is smaller than that of the cylindrical end portions 31, so as to form a circulation space 4 with the inner portion of the switching valve body 2; the cylindrical end 31 is the sealing section, and the connecting body 32 is the connecting section.
In some embodiments of the present application, two semicircular bodies 321, which have the same outer diameter as the inner diameter of the switching valve body 2 and can slide in the switching valve body 2, are arranged on the connecting body 32 at intervals, and each semicircular body 321 is located between the oil inlet 22 and the lubricating oil hole 24; the semicircular bodies 321 have guiding and sealing functions, and due to the sealing of the semicircular bodies 321, the engine oil can be intensively extracted from one oil inlet 22 when the engine inclines, and the lubricating oil and the possible air between the two semicircular bodies 321 can not be extracted.
According to one aspect of the present invention, the present invention provides an engine, including an engine body and an oil pan oil return device, wherein the oil pan oil return device is the above oil pan oil return device, and an oil pan 1 is disposed at the bottom of the engine body to collect engine oil flowing out of the engine body; when the engine inclines, no air pumping is caused.
Based on the technical scheme, the embodiment of the utility model provides an at least, following advantage and positive effect have:
through the arrangement, when the engine inclines towards one side, the switching valve core 3 slides downwards to the lowest position due to the self gravity action, and when the engine is at the lowest position, one of the two sealing sections which is positioned at the high position blocks the through hole positioned at the high position (namely, the oil inlet 22 which is communicated with the inner cavity 11 of the oil pan 1 and the oil outlet 23 which is communicated with the oil inlet 22 and the oil outlet 23), and the oil inlet 22 and the oil outlet 23 of the through hole positioned at the low position are communicated through the circulation space 4 (namely, the engine oil can be gathered at the oblique lower position under the gravity action, namely, the through hole positioned at the low position, and the engine oil pump of the pipeline works to pump the engine oil out from the oil inlet 22-the circulation space 4-the oil outlet 23).
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terms used are words of description and illustration, rather than words of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.
Claims (7)
1. An oil pan oil return device, characterized by comprising:
an oil pan having an inner cavity;
the switching valve body is arranged at the bottom of the inner cavity of the oil pan, the switching valve body is provided with an inner channel, oil drainage holes which are arranged at two ends and communicated with the inner channel, and two groups of through holes which are arranged on the outer side wall and communicated with the inner channel, and each group of through holes respectively comprise an oil inlet communicated with the inner cavity of the oil pan and an oil outlet corresponding to the oil inlet and communicated with an oil outlet pipe;
the switching valve core is slidably arranged in an inner channel of the switching valve body and comprises two sealing sections which are hermetically attached to the inner wall of the switching valve body and a connecting section which is located between the two sealing sections, the distance between the two sealing sections is larger than the distance between the two groups of through openings, a circulation space is formed between the connecting section and the switching valve body, the switching valve core slides downwards in an inclined mode to the lowest position due to the gravity of the switching valve core, in addition, when in the lowest position, one sealing section which is located at the high position blocks the through opening which is located at the high position, and the oil inlet and the oil outlet of the through opening which is located at the low position are communicated through the circulation space.
2. The sump oil return arrangement of claim 1, further comprising:
and the lubricating oil holes are formed in the outer side wall of the switching valve body and are positioned between the two oil inlets.
3. The sump oil return arrangement of claim 2, wherein:
two lubricating oil holes of each pair are arranged up and down.
4. An oil pan oil return device according to claim 2 or 3, characterized in that:
the lubricating oil holes have two pairs.
5. The oil pan oil return apparatus according to claim 1, characterized in that:
the inner channel of the switching valve body is cylindrical, the switching valve core is provided with two cylindrical end parts which have the same inner diameter as the switching valve body and can slide in the switching valve body, the two cylindrical end parts are connected through a connector, the diameter of the connector is smaller than that of the cylindrical end parts, the cylindrical end parts are the sealing sections, and the connector is the connecting sections.
6. The sump oil return arrangement of claim 5, wherein:
two semicircular bodies which have the same outer diameter as the inner diameter of the switching valve body and can slide in the switching valve body are arranged on the connecting body at intervals, and each semicircular body is located between the oil inlet and the lubricating oil hole.
7. The utility model provides an engine, includes engine block and oil pan oil return device, its characterized in that:
the oil pan oil return device is as claimed in any one of claims 1 to 6, and the oil pan is arranged at the bottom of the engine body to collect the oil flowing out of the engine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855959.6U CN218760063U (en) | 2022-10-28 | 2022-10-28 | Oil pan oil return device and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222855959.6U CN218760063U (en) | 2022-10-28 | 2022-10-28 | Oil pan oil return device and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760063U true CN218760063U (en) | 2023-03-28 |
Family
ID=85701832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222855959.6U Active CN218760063U (en) | 2022-10-28 | 2022-10-28 | Oil pan oil return device and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760063U (en) |
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2022
- 2022-10-28 CN CN202222855959.6U patent/CN218760063U/en active Active
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