CN209444392U - A kind of multigrade engine oil pump - Google Patents
A kind of multigrade engine oil pump Download PDFInfo
- Publication number
- CN209444392U CN209444392U CN201822089509.4U CN201822089509U CN209444392U CN 209444392 U CN209444392 U CN 209444392U CN 201822089509 U CN201822089509 U CN 201822089509U CN 209444392 U CN209444392 U CN 209444392U
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- Prior art keywords
- pump
- oil
- oil pump
- scavenge
- chamber
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- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of multigrade engine oil pumps, including the pump housing, it is sequentially connected in series in the pump housing and is provided with oil suction pump core, first order oil return pump core and second level oil return pump core, the oil suction pump core is arranged in the first chamber of the pump housing, the first order oil return pump core and second level oil return pump core are arranged in the second chamber of the pump housing, and the first chamber and second chamber are spaced apart.The multigrade engine oil pump of the utility model reduces the occupied space of lubricating oil pump, and makes the work of lubricating oil pump more reliable.
Description
Technical field
The utility model relates to machine oil pump technical field, in particular to a kind of multigrade engine oil pump.
Background technique
Dry-oil bottom is generally used because of the limitation of complete machine height, complete machine inclination angle etc. for the engine of specific use
Shell.When engine operation, lubricating oil pump is needed to pump from external sump, while also sending the oil in oil sump back to sump,
At least three individual lubricating oil pump are needed to work at the same time in this way.
Existing lubricating oil pump is mostly single-stage lubricating oil pump, if can have entire hair using multiple individual lubricating oil pump
The problem of motivation is heavy, takes up space big, reliability decrease.
Therefore, the occupied space of lubricating oil pump how is reduced, while guaranteeing the functional reliability of lubricating oil pump, becomes this field skill
Art personnel technical problem urgently to be resolved.
Utility model content
In view of this, the present invention provides a kind of multigrade engine oil pumps, to reduce the occupied space of lubricating oil pump, protect simultaneously
Demonstrate,prove the more reliable property of work of lubricating oil pump.
To achieve the above object, the utility model provides the following technical solutions:
A kind of multigrade engine oil pump, including the pump housing are sequentially connected in series in the pump housing and are provided with oil suction pump core, first order scavenge oil pump
Core and second level oil return pump core, the oil suction pump core are arranged in the first chamber of the pump housing, the first order oil return pump core
It is arranged in the second chamber of the pump housing with second level oil return pump core, the first chamber and second chamber are spaced apart.
Preferably, the bottom position of the pump housing, first order scavenge oil pump is arranged in the inlet port of the first order scavenge oil pump
Oil outlet chamber end be connected to scavenge oil pump oil outlet by drainback passage.
Preferably, the pump housing is arranged in close to the position of bottom end in the inlet port of the second level scavenge oil pump, and the second level is returned
The oil outlet chamber end of oil pump is connected to by the drainback passage with the scavenge oil pump oil outlet.
Preferably, strainer is connected on the inlet port end face of the first order scavenge oil pump.
Preferably, the endface position of the inlet port of the second level scavenge oil pump is provided with connecting flange, the connecting flange
For being connect with an external collecting filter.
Preferably, the first chamber and second chamber are separated by first partition, the first partition and the pump housing
It is wholely set.
Preferably, it is provided with second partition in the second chamber, the second partition is by the oil inlet of first order scavenge oil pump
The oil suction chamber of chamber and second level scavenge oil pump separates.
It can be seen from the above technical proposal that a kind of multigrade engine oil provided by the utility model pumps, including the pump housing, in the pump housing
It is sequentially connected in series and is provided with oil suction pump core, first order oil return pump core and second level oil return pump core, the of the pump housing is arranged in oil suction pump core
In one chamber, first order oil return pump core and second level oil return pump core are arranged in the second chamber of the pump housing, first chamber and second
Chamber is spaced apart.The multigrade engine oil of the utility model, which is pumped, is connected on one by main shaft for oil scavenge pump, the multiple lubricating oil pump of scavenge oil pump
It rises and is assembled in the pump housing, reduce the occupied space of lubricating oil pump, reduce the complete machine height of engine.By in the utility model
Multigrade engine oil pump upper integrally disposed two scavenge oil pumps so which kind of angled state no matter engine be in, scavenge oil pump can be compared with
Oil return well avoids revolving part agitation machine oil, reduces energy consumption, thus guarantee the reliability of the oil return work of lubricating oil pump,
Meet engine high inclination-angle requirement.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of multigrade engine oil provided by the embodiment of the utility model pump；
Fig. 2 is the schematic cross-sectional view of multigrade engine oil provided by the embodiment of the utility model pump.
1, oil scavenge pump oil outlet, 2, oil scavenge pump oil inlet, 3, the inlet port of first order scavenge oil pump, 4, second level scavenge oil pump
Inlet port, 5, scavenge oil pump oil outlet, 6, the pump housing, 7, strainer, 8, first partition, 9, oil suction pump core, 10, first order oil return pump core,
11, second level oil return pump core.
Specific embodiment
The utility model discloses a kind of multigrade engine oil pumps, to reduce the occupied space of lubricating oil pump, while guaranteeing lubricating oil pump
The more reliable property of work.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 to Fig. 2 is please referred to, Fig. 1 is the structural schematic diagram of multigrade engine oil provided by the embodiment of the utility model pump, Fig. 2
For the schematic cross-sectional view of multigrade engine oil provided by the embodiment of the utility model pump.
The utility model discloses a kind of multigrade engine oil pump, including the pump housing 6, it is sequentially connected in series in the pump housing 6 and is provided with oil scavenge pump
Core 9, first order oil return pump core 10 and second level oil return pump core 11, oil suction pump core 9 is arranged in the first chamber of the pump housing 6, and first
Grade oil return pump core 10 and second level oil return pump core 11 are arranged in the second chamber of the pump housing 6, the first chamber and second chamber
It is spaced apart.Oil scavenge pump, the multiple lubricating oil pump of scavenge oil pump are cascaded group by the multigrade engine oil pump of the utility model by main shaft
In the pump housing, reduce the occupied space of lubricating oil pump, reduces the complete machine height of engine.By in the utility model
Multigrade engine oil pump upper integrally disposed two scavenge oil pumps so which kind of angled state no matter engine be in, scavenge oil pump can be compared with
Oil return well avoids revolving part agitation machine oil, reduces energy consumption, thus guarantee the reliability of the oil return work of lubricating oil pump,
Meet engine high inclination-angle requirement.
Wherein, oil suction pump core 9, the structure of first order oil return pump core 10 and second level oil return pump core 11 and its company with the pump housing
Binding structure is common structure in the prior art, and details are not described herein again.
Specifically, the inlet port 3 of first order scavenge oil pump is arranged in the bottom position of the pump housing 6, first order scavenge oil pump it is fuel-displaced
Chamber end is connected to by drainback passage with scavenge oil pump oil outlet 5.The side that the inlet port 3 of first order scavenge oil pump is arranged downward using suction inlet
Formula not only facilitates oil suction, moreover it is possible to effectively avoid impurity sucking that oil pump is caused to damage, extend the service life of oil pump.
Wherein, the pump housing 6 is arranged in close to the position of bottom end in the inlet port 4 of second level scavenge oil pump, and second level scavenge oil pump goes out
Oil pocket end is connected to by the drainback passage with scavenge oil pump oil outlet 5.First order scavenge oil pump and second level scavenge oil pump share one
The drainback passage and scavenge oil pump oil outlet 5, further reduce the occupied space of lubricating oil pump.
In one embodiment, be connected with strainer 7 on the end face of the inlet port 3 of first order scavenge oil pump, strainer 7 it is fixed or
It is detachably connected on the end face of inlet port 3 of first order scavenge oil pump, a simple collecting filter structure is formed, to more effectively keep away
Exempt from impurity to enter in oil pump by the inlet port 3 of first order scavenge oil pump.The collecting filter structure is directly integrated in first order oil return
On pump, reduce the setting of external pipeline, to save the occupied space of lubricating oil pump.
In another embodiment, the endface position of the inlet port 4 of second level scavenge oil pump is provided with connecting flange, described
Connecting flange with an external collecting filter for connecting.The oiler of the external collecting filter is arranged downward, facilitates oil suction, and can have
Effect avoids impurity sucking that oil pump is caused to damage, and extends the service life of oil pump.
Specifically, the first chamber and second chamber are separated by first partition 8, first partition 8 is integrally set with the pump housing 6
It sets.
Wherein, the oil suction chamber of first order scavenge oil pump is connected to the inlet port 3 of first order scavenge oil pump, second level scavenge oil pump into
Oil pocket is connected to the inlet port 4 of second level scavenge oil pump.The oil in the oil suction chamber of first order scavenge oil pump is returned with the second level in order to prevent
Oily mixed flow in the oil suction chamber of oil pump reduces oil return efficiency, is provided with second partition, the second partition in the second chamber
The oil suction chamber of the oil suction chamber of first order scavenge oil pump and second level scavenge oil pump is separated.
In use, the inlet port 3 that first order scavenge oil pump passes through first order scavenge oil pump will as shown in the arrow direction in Fig. 2
Machine oil is drawn back from oil sump to external fuel tank, and second level scavenge oil pump is by the inlet port 4 of second level scavenge oil pump by machine oil from oily bottom
Shell is drawn back to external fuel tank；Oil scavenge pump is by machine oil from external fuel tank supply engine.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of multigrade engine oil pump, which is characterized in that including the pump housing (6), be sequentially connected in series in the pump housing (6) and be provided with oil scavenge pump
Core (9), first order oil return pump core (10) and second level oil return pump core (11), the oil suction pump core (9) are arranged in the pump housing (6)
First chamber in, the first order oil return pump core (10) and second level oil return pump core (11) setting are the of the pump housing (6)
In two chambers, the first chamber and second chamber are spaced apart.
2. multigrade engine oil pump according to claim 1, which is characterized in that the inlet port (3) of the first order scavenge oil pump is set
The bottom position in the pump housing (6) is set, the oil outlet chamber end of first order scavenge oil pump passes through drainback passage and scavenge oil pump oil outlet (5)
Connection.
3. multigrade engine oil pump according to claim 2, which is characterized in that the inlet port (4) of the second level scavenge oil pump is set
The position in the pump housing (6) close to bottom end is set, the oil outlet chamber end of second level scavenge oil pump passes through the drainback passage and described time
Oil pump out of the mouth (5) connection.
4. multigrade engine oil pump according to claim 2, which is characterized in that the inlet port (3) of the first order scavenge oil pump is held
Strainer (7) are connected on face.
5. multigrade engine oil pump according to claim 3, which is characterized in that the inlet port (4) of the second level scavenge oil pump
Endface position is provided with connecting flange, and the connecting flange with an external collecting filter for connecting.
6. multigrade engine oil pump according to claim 1, which is characterized in that the first chamber and second chamber pass through first
Partition (8) separates, and the first partition (8) is wholely set with the pump housing (6).
7. multigrade engine oil pump according to claim 1, which is characterized in that it is provided with second partition in the second chamber,
The second partition separates the oil suction chamber of the oil suction chamber of first order scavenge oil pump and second level scavenge oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089509.4U CN209444392U (en) | 2018-12-12 | 2018-12-12 | A kind of multigrade engine oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822089509.4U CN209444392U (en) | 2018-12-12 | 2018-12-12 | A kind of multigrade engine oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444392U true CN209444392U (en) | 2019-09-27 |
Family
ID=68013735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822089509.4U Active CN209444392U (en) | 2018-12-12 | 2018-12-12 | A kind of multigrade engine oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444392U (en) |
-
2018
- 2018-12-12 CN CN201822089509.4U patent/CN209444392U/en active Active
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