CN206626381U - A kind of light weight consumption reduction engine oil pump assembly - Google Patents
A kind of light weight consumption reduction engine oil pump assembly Download PDFInfo
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- CN206626381U CN206626381U CN201720228748.6U CN201720228748U CN206626381U CN 206626381 U CN206626381 U CN 206626381U CN 201720228748 U CN201720228748 U CN 201720228748U CN 206626381 U CN206626381 U CN 206626381U
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- oil
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Abstract
The utility model discloses a kind of light weight consumption reduction engine oil pump assembly, it is good to aim to provide a kind of pressure limiting valve voltage regulation result, oil consumption is low, good sealing effect and the good engine oil pump assembly of structural strength, its drip irrigation device is that pressure limiting valve includes valve body, valve element and bonnet, valve body and bonnet have been interconnected to form pressure limiting chamber, valve element is placed in pressure limiting chamber, spring is provided between valve element and bonnet, one end of spring and valve element are inconsistent, the other end of spring and bonnet are inconsistent, the pitch of the spring is between 5mm 7mm, stopper slot is equipped with valve element and bonnet, the both ends of spring are respectively placed in two stopper slots, the spacing hole of section triangular shape is equipped with the bottom land of two stopper slots, the utility model is applied to technical field of engines.
Description
Technical field
A kind of technical field of engines is the utility model is related to, the lubricating oil pump more specifically, it relates to which a kind of light weight lowers consumption
Assembly.
Background technology
Engine oil pump assembly, for making engine oil pressure raise and ensure certain oil mass, fuel feeding is forced to each friction surface
The widely used gear type of part internal combustion engines and rotor-type oil pump gear-type oil pumps are simple in construction, easy to process, reliable operation,
Service life is grown, and pump oil pressure is high, rotor pump rotor body complexity of being used widely, uses this pumps of powder metallurgy pressing
With gear pump it is same the advantages of, but compact-sized, small volume.
At present, the engine oil pump assembly of in the market, it includes the pump housing；Rotor chamber is provided with the pump housing；Intermeshing is arranged on
Internal rotor and outer rotor in rotor chamber；Limited valve is set on the pump housing；The pump cover being connected with the pump housing；On the pump cover with
Rotor chamber is provided with oil suction chamber and oil outlet chamber on relative surface.Traditional engine oil pump assembly is because of the regulation oil pressure of pressure limiting valve
Effect is poor, and the situation that oil spilling easily occurs occurs, and causes the increase of oil consumption；It is and poor for the sealing effectiveness of bent axle chamber
And the problem of presently, there are.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model be to provide a kind of pressure limiting valve voltage regulation result it is good,
The engine oil pump assembly that oil consumption is low, good sealing effect and structural strength are good.
To achieve the above object, the utility model provides following technical scheme：A kind of light weight consumption reduction engine oil pump assembly, bag
The pump housing is included, rotor chamber is provided with the pump housing；Intermeshing is arranged on internal rotor and outer rotor in rotor chamber；Set on the pump housing
It is equipped with pressure limiting valve；The pump cover being connected with the pump housing；Oil suction chamber and fuel-displaced is provided with the pump cover on the surface relative with rotor chamber
Chamber；Fuel feed hole and oil outlet are provided with the pump cover；Described fuel feed hole one end connects oil suction chamber, the outside oil of other end connection
Groove, it is characterized in that：The pressure limiting valve includes valve body, valve element and bonnet, and valve body and bonnet have been interconnected to form pressure limiting chamber,
Valve element is placed in pressure limiting chamber, spring is provided between valve element and bonnet, one end of spring and valve element are inconsistent, the other end of spring
Inconsistent with bonnet, the pitch of the spring is equipped with stopper slot, the both ends of spring between 5mm-7mm on valve element and bonnet
It is respectively placed in two stopper slots, the spacing hole of section triangular shape is equipped with the bottom land of two stopper slots.
By using above-mentioned technical proposal, pressure limiting valve includes valve body, valve element and bonnet, and valve body and bonnet are connected with each other shape
Into there is pressure limiting chamber, valve element is placed in pressure limiting chamber, by being provided with spring between valve element and bonnet, and one end of spring with
Valve element is inconsistent, and the other end and bonnet of spring are inconsistent, and the pitch of spring is between 5mm-7mm, by by the pitch of spring
（The distance as shown in L in Fig. 1）It is arranged between 5mm-7mm, because elastic force possessed by the difference of the pitch of spring is just different, because
This needs to use the spring tension required for lubricating oil pump, to adjust oil pressure, to ensure good voltage regulation result, further in valve
Stopper slot is equipped with core and bonnet, and the both ends of spring are respectively placed in two stopper slots by this, it is therefore prevented that bear in spring
Deformed upon during oil pressure, the spacing hole of section triangular shape is equipped with the bottom land of further two stopper slot, by two
The spacing hole set on the bottom land of stopper slot, then coordinate gag lever post, the limit effect to spring can be further improved, so as to enter
One step improves the voltage regulation result of spring, and by ensureing the good voltage regulation result of pressure limiting valve, the situation for reducing oil spilling occurs, from
And it reduce further oil consumption.
The utility model is further arranged to：Crankshaft cavity is additionally provided with the pump housing, crankshaft cavity is provided with crankshaft front oil seal-mounting,
Crankshaft front oil seal-mounting includes A joint faces and B joint faces, and A joint faces are provided with the first stopper slot, and B joint faces are provided with the second limit
Position groove, the second stopper slot include madial wall and lateral wall, and the madial wall is provided with spacing preiection, and spacing preiection is in arc-shaped.
By using above-mentioned technical proposal, crankshaft cavity is additionally provided with the pump housing, crankshaft cavity is provided with crankshaft front oil seal-mounting, before bent axle
Oil sealing includes A joint faces and B joint faces, and A joint faces are provided with the first stopper slot, and B joint faces are provided with the second stopper slot, leads to
The first stopper slot and the second stopper slot set respectively is crossed on the A faces of crankshaft front oil seal-mounting and B faces, so as to ensure that oil before bent axle
The stable connection effect between bent axle chamber of envelope, the second stopper slot include madial wall and lateral wall, and on madial wall
Provided with spacing preiection, spacing preiection is in arc-shaped, by provided with arc-shaped spacing preiection, in the second stopper slot and bent axle chamber
On projection when being coordinated, so as to improve limit effect, can be further increased close by the spacing preiection of arc-shaped
Effect is sealed, oil leak is prevented, so as to reduce oil consumption.
The utility model is further arranged to：Some reinforcements are additionally provided with the pump cover.
By using above-mentioned technical proposal, some reinforcements are additionally provided with pump cover, by be provided with pump cover some plus
Strengthening tendons, then the increase in the structural strength to pump cover is improved, reduce internal rotor and outer rotor work because in rotor chamber
When, caused vibration, so as to further increase stability when working engine oil pump assembly.
Brief description of the drawings
Fig. 1 is a kind of structural representation of light weight consumption reduction engine oil pump assembly embodiment of the utility model.
Fig. 2 is A-A directions sectional structure signal in a kind of Fig. 1 of light weight consumption reduction engine oil pump assembly embodiment of the utility model
Figure.
Fig. 3 is B-B directions sectional structure signal in a kind of Fig. 1 of light weight consumption reduction engine oil pump assembly embodiment of the utility model
Figure.
Fig. 4 is a kind of A faces stereochemical structure of the crankshaft front oil seal-mounting of light weight consumption reduction engine oil pump assembly embodiment of the utility model
Schematic diagram.
Fig. 5 is a kind of B faces stereochemical structure of the crankshaft front oil seal-mounting of light weight consumption reduction engine oil pump assembly embodiment of the utility model
Schematic diagram.
Reference in figure, the 1- pump housings, 2- pump covers, 3- pressure limiting valves, 30- valve bodies, 31- bonnets, 32- valve elements, 33- springs,
34- stopper slots, 35- spacing holes, 4- crankshaft cavities, 41- crankshaft front oil seal-mountings, the stopper slots of 410- first, the stopper slots of 411- second, 412-
Spacing preiection, 5- reinforcements.
Embodiment
A kind of light weight of the utility model consumption reduction engine oil pump assembly embodiment is described further referring to figs. 1 to Fig. 5.
A kind of light weight is lowered consumption engine oil pump assembly, including the pump housing 1, and rotor chamber is provided with the pump housing 1；Intermeshing, which is arranged on, to be turned
The internal rotor and outer rotor of sub- intracavitary；Limited valve 3 is set on the pump housing；The pump cover 2 being connected with the pump housing 1；On the pump cover 2
Oil suction chamber and oil outlet chamber are provided with the surface relative with rotor chamber；Fuel feed hole and oil outlet are provided with the pump cover 2；It is described
Fuel feed hole one end connects oil suction chamber, the outside oil groove of other end connection, and pressure limiting valve 3 includes valve body 30, valve element 32 and bonnet 31, valve
Body 30 and bonnet 31 have been interconnected to form pressure limiting chamber, and valve element 32 is placed in pressure limiting chamber, by valve element 32 and bonnet 31
Between be provided with spring 33, and one end of spring 33 and valve element 32 are inconsistent, and the other end and bonnet of spring 33 are inconsistent, spring
Pitch between 5mm-7mm, by by the pitch of spring 33（The distance as shown in L in Fig. 1）It is arranged between 5mm-7mm, because
It is just different for elastic force possessed by the difference of the pitch of spring 33, it is therefore desirable to using the spring tension required for lubricating oil pump, to come
Oil pressure is adjusted, to ensure good voltage regulation result, stopper slot 34 is further equipped with valve element 32 and bonnet 33, and should
The both ends of spring 33 are respectively placed in two stopper slots 34, it is therefore prevented that deformed upon when spring 33 bears oil pressure, further
The spacing hole 35 of section triangular shape is equipped with the bottom land of two stopper slots 34, by being set on the bottom land of two stopper slots 34
Spacing hole 35, then coordinate gag lever post, can further improve the limit effect to spring, so as to further improve the tune of spring
Effect is pressed, by ensureing the good voltage regulation result of pressure limiting valve, the situation for reducing oil spilling occurs, so as to reduce further oil
Consumption.
The utility model is further arranged to, and crankshaft cavity 4 is additionally provided with the pump housing, and crankshaft cavity 4 is provided with crankshaft front oil seal-mounting 41,
Crankshaft front oil seal-mounting 41 includes A joint faces and B joint faces, and A joint faces are provided with the first stopper slot 410, and B joint faces are provided with the
Two stopper slots 411, pass through the first stopper slot 410 set respectively on the A faces of crankshaft front oil seal-mounting and B faces and the second stopper slot
411, so as to ensure that the stable connection effect between bent axle chamber of crankshaft front oil seal-mounting 41, the second stopper slot 411 includes interior
Side wall and lateral wall, and spacing preiection 412 is provided with madial wall, spacing preiection 412 is in arc-shaped, by provided with circular arc
Shape spacing preiection 412, when the second stopper slot 411 is coordinated with the projection in bent axle chamber, the limit of arc-shaped can be passed through
Position is raised, so as to improve limit effect, further increases sealing effectiveness, prevents oil leak, so as to reduce oil consumption.
The utility model is further arranged to, some reinforcements 5 are additionally provided with pump cover 2, if by being provided with pump cover 2
Dry reinforcement 5, then the increase in the structural strength to pump cover 2 is improved, reduced because the internal rotor in rotor chamber and outer turn
During son work, caused vibration, so as to further increase stability when working engine oil pump assembly.
Preferred embodiment of the present utility model is the foregoing is only, not limiting the utility model, the skill of this area
Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in guarantor of the present utility model
In the range of shield.
Claims (3)
- The engine oil pump assembly 1. a kind of light weight lowers consumption, including the pump housing, rotor chamber is provided with the pump housing；Intermeshing is arranged on rotor chamber Interior internal rotor and outer rotor；Limited valve is set on the pump housing；The pump cover being connected with the pump housing；On the pump cover with rotor chamber Oil suction chamber and oil outlet chamber are provided with relative surface；Fuel feed hole and oil outlet are provided with the pump cover；The fuel feed hole one End connection oil suction chamber, the outside oil groove of other end connection, it is characterized in that：The pressure limiting valve includes valve body, valve element and bonnet, valve body Pressure limiting chamber is interconnected to form with bonnet, valve element is placed in pressure limiting chamber, and spring is provided between valve element and bonnet, spring One end is inconsistent with valve element, and the other end and bonnet of spring are inconsistent, the pitch of the spring between 5mm-7mm, valve element and Stopper slot is equipped with bonnet, the both ends of spring are respectively placed in two stopper slots, and being equipped with section on the bottom land of two stopper slots is in The spacing hole of triangle.
- 2. a kind of light weight consumption reduction engine oil pump assembly according to claim 1, it is characterized in that：Bent axle is additionally provided with the pump housing Chamber, crankshaft cavity are provided with crankshaft front oil seal-mounting, and crankshaft front oil seal-mounting includes A joint faces and B joint faces, and A joint faces are provided with first Stopper slot, B joint faces are provided with the second stopper slot, and the second stopper slot includes madial wall and lateral wall, and the madial wall is provided with Spacing preiection, spacing preiection are in arc-shaped.
- 3. a kind of light weight consumption reduction engine oil pump assembly according to claim 1, it is characterized in that：It is additionally provided with the pump cover some Reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228748.6U CN206626381U (en) | 2017-03-09 | 2017-03-09 | A kind of light weight consumption reduction engine oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228748.6U CN206626381U (en) | 2017-03-09 | 2017-03-09 | A kind of light weight consumption reduction engine oil pump assembly |
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| Publication Number | Publication Date |
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| CN206626381U true CN206626381U (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720228748.6U Active CN206626381U (en) | 2017-03-09 | 2017-03-09 | A kind of light weight consumption reduction engine oil pump assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105373A (en) * | 2018-01-11 | 2018-06-01 | 东风商用车有限公司 | A kind of gear box oil pump case |
-
2017
- 2017-03-09 CN CN201720228748.6U patent/CN206626381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105373A (en) * | 2018-01-11 | 2018-06-01 | 东风商用车有限公司 | A kind of gear box oil pump case |
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