CN206626380U - A kind of simple noise reducing type engine oil pump assembly - Google Patents
A kind of simple noise reducing type engine oil pump assembly Download PDFInfo
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- CN206626380U CN206626380U CN201720227901.3U CN201720227901U CN206626380U CN 206626380 U CN206626380 U CN 206626380U CN 201720227901 U CN201720227901 U CN 201720227901U CN 206626380 U CN206626380 U CN 206626380U
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Abstract
The utility model discloses a kind of simple noise reducing type engine oil pump assembly, aim to provide a kind of excellent noise reduction effect and control the good engine oil pump assembly of the effect of oil pressure, its drip irrigation device is that the pump housing is provided with some noise abatement grooves, pump cover is provided with some first reinforcements and the second reinforcement, some echo grooves are additionally provided with pump cover, the echo groove is formed by three the first reinforcements are end to end successively, each echo groove has been interconnected to form echo area, echo area is placed between noise abatement groove and rotor chamber, second reinforcement is oppositely arranged with noise abatement groove, 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, more specifically, it relates to a kind of simple noise reducing type machine oil
Pump 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.And traditional engine oil pump assembly because noise reduction effect it is poor,
Internal rotor and outer rotor in rotor chamber, can be because can not subtract when being operated to caused noise in rotor chamber
It is weak, just drive the pump housing and pump cover to produce vibration, so as to have influence on the using effect of engine oil pump assembly；And the control of pressure limiting valve
The problem of oil pressure effect is poor and presently, there are.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of excellent noise reduction effect and control
The good engine oil pump assembly of the effect of oil pressure.
To achieve the above object, the utility model provides following technical scheme：A kind of simple noise reducing type engine oil pump assembly,
Including the pump housing, rotor chamber is provided with the pump housing, intermeshing is arranged on internal rotor and outer rotor in rotor chamber, on the pump housing
Limited valve is set, the pump cover being connected with the pump housing, oil suction chamber is provided with the surface relative with rotor chamber on the pump cover and goes out
Oil pocket, fuel feed hole and oil outlet are provided with the pump cover, and described fuel feed hole one end connects oil suction chamber, the outside oil of other end connection
Groove, it is characterized in that：The pump housing is provided with some noise abatement grooves, and pump cover is provided with some first reinforcements and the second reinforcement, pump
Cover and be additionally provided with some echo grooves, the echo groove is formed by three the first reinforcements are end to end successively, and each echo groove mutually interconnects
Connect and be placed in formed with echo area, echo area between noise abatement groove and rotor chamber, the second reinforcement is oppositely arranged with noise abatement groove.
By using above-mentioned technical proposal, the pump housing is provided with some noise abatement grooves, by the noise abatement groove being provided with the pump housing, because
It is arranged at for rotor chamber on the pump housing, and noise abatement groove and rotor chamber is respectively arranged to the both ends of the pump housing so that in rotor chamber
Sound caused by internal rotor and outer rotor intermeshing can be reduced by noise abatement groove, and noise abatement groove and rotor chamber point
It is not arranged at the both ends of the pump housing, and distance between the two, the distance of sound transmission can be increased, so as to makes an uproar caused by reducing
Sound, and slot structure set have more good sound-absorbing effect, then further increase noise reduction, and if pump cover provided with
Dry first reinforcement and the second reinforcement, by being additionally provided with some echo grooves on pump cover, and the echo groove is by three first
Reinforcement end to end formation successively, the echo groove formed, can increase the consumption when sound is conducted, further
Each echo groove has been interconnected to form echo area, and echo area has been placed between noise abatement groove and rotor chamber so that in noise abatement
There is the region of a barrier between groove and rotor chamber, and echo area is that rotor chamber is carried out into encirclement setting, then further improves
The effect of noise reduction consumption, and the second reinforcement is oppositely arranged with noise abatement groove, and the setting of the second reinforcement adds cap
Structural strength.
The utility model is further arranged to：The pressure limiting valve includes valve body, the valve element and and valve body being placed in valve body
The bonnet of connection, valve element is interior to be provided with spring, and one end of spring and valve element are inconsistent, and the other end and bonnet of spring are inconsistent, valve
Cap is provided with stopper slot, and spring is placed in stopper slot, and the screw diameter of spring is adapted with bore in the groove of stopper slot.
By using above-mentioned technical proposal, pressure limiting valve includes valve body, the valve element that is placed in valve body and is connected with valve body
Bonnet, valve element is interior to be provided with spring, and one end of the spring and valve element are inconsistent, and the other end of spring is inconsistent with bonnet, makes
There is support end at the both ends for obtaining spring, so as to while automatic Regulation is carried out, it is ensured that and spring uses stabilization, and in valve
Cap is provided with stopper slot, further places the spring in stopper slot, by placing the spring in stopper slot, and by the spiral shell of spring
Rotation diameter be adapted with bore in the groove of stopper slot, add limit effect of the stopper slot to spring, valve element to spring
While extruding, being subjected to displacement for spring can be reduced, the service life of spring is on the one hand improved, on the other hand ensure that bullet
The good voltage regulation result of spring.
The utility model is further arranged to：The pitch of the spring is between 2mm-5mm.
By using above-mentioned technical proposal, the pitch of spring is between 2mm-5mm, by by the pitch of spring（In Fig. 1
Distance shown in L）It is arranged between 2mm-5mm, because elastic force possessed by the difference of the pitch of spring is just different, it is therefore desirable to adopt
With the spring tension required for lubricating oil pump, to adjust oil pressure, to ensure good pressure limiting effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of simple noise reducing type engine oil pump assembly embodiment of the utility model.
Reference in figure, the 1- pump housings, 10- noise abatement grooves, 2- pump covers, the reinforcements of 20- first, 201- echo grooves, 202- are returned
Sound area, the reinforcements of 21- second, 3- rotor chambers, 40- valve bodies, 41- valve elements, 42- bonnets, 421- stopper slots, 43- springs.
Embodiment
The simple noise reducing type engine oil pump assembly embodiment a kind of to the utility model of reference picture 1 is described further.
A kind of simple noise reducing type engine oil pump assembly, including the pump housing 1；Rotor chamber 3 is provided with the pump housing 1；Intermeshing is set
Internal rotor and outer rotor in rotor chamber 3；Limited valve is set on the pump housing 1；The pump cover 2 being connected with the pump housing 1；The pump
On lid 2 oil suction chamber and oil outlet chamber are provided with the surface relative with rotor chamber 3；Fuel feed hole and fuel-displaced is provided with the pump cover 2
Hole；Described fuel feed hole one end connects oil suction chamber, the outside oil groove of other end connection, and the pump housing is provided with some noise abatement grooves 10, by
The noise abatement groove 10 that the pump housing 1 is provided with, because rotor chamber 3 is arranged on the pump housing 1, and noise abatement groove 10 and rotor chamber are respectively arranged at
The both ends of the pump housing 1 so that sound caused by the internal rotor and outer rotor intermeshing in rotor chamber 3 can pass through noise abatement groove
10 are reduced, and noise abatement groove 10 and rotor chamber 3 are respectively arranged at the both ends of the pump housing 1, and distance between the two, Ke Yizeng
Add the distance of sound transmission, so as to reduce caused noise, and slot structure sets and has more good sound-absorbing effect, then enters
One step improves noise reduction, and pump cover 2 is provided with some reinforcements 21 of first reinforcement 20 and second, by pump cover 2
On be additionally provided with some echo grooves 201, and the echo groove 201 is formed by three the first reinforcements 20 are end to end successively, institute's shape
Into echo groove 201, the consumption when sound is conducted can be increased, each echo groove 201 is further connected with each other shape
Into there is echo area 202, and echo area 202 is placed between noise abatement groove 10 and rotor chamber 3 so that in noise abatement groove 10 and rotor chamber
There is the region of a barrier between 3, and echo area 202 is that rotor chamber 3 is carried out into encirclement setting, then further increases noise reduction
The effect of consumption, and the second reinforcement 21 is oppositely arranged with noise abatement groove 10, and the setting of the second reinforcement 21 adds cap 2
Structural strength.
The utility model is further arranged to, and pressure limiting valve includes valve body 40, the valve element 41 and and valve being placed in valve body 40
The bonnet 42 that body 40 connects, valve element 41 is interior to be provided with spring 43, and one end of the spring 43 and valve element 41 are inconsistent, spring 43
The other end and bonnet 42 are inconsistent so that there is support end at the both ends of spring 43, can be with so as to while automatic Regulation is carried out
Ensure spring using stabilization, and stopper slot 421 is provided with bonnet 42, further spring 43 is placed in stopper slot 421, lead to
Cross and spring 43 be placed in stopper slot 421, and the screw diameter of spring 43 is adapted with bore in the groove of stopper slot 421,
Limit effect of the stopper slot 421 to spring is added, while valve element 41 has been extruded spring 43, spring 43 can be reduced
Be subjected to displacement, on the one hand improve the service life of spring 43, on the other hand ensure that the good voltage regulation result of spring 43.
The utility model is further arranged to, and the pitch of spring 43 is between 2mm-5mm, by by the pitch of spring 43
（The distance as shown in L in Fig. 1）It is arranged between 2mm-5mm, because elastic force possessed by the difference of the pitch of spring 43 is just different,
Therefore need to use the tension force of spring 43 required for lubricating oil pump, to adjust oil pressure, to ensure good pressure limiting effect.
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)
1. a kind of simple noise reducing type engine oil pump assembly, including the pump housing；Rotor chamber is provided with the pump housing；Intermeshing is arranged on rotor
The internal rotor and outer rotor of intracavitary；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；Fuel feed hole and oil outlet are provided with the pump cover；The fuel feed hole
One end connects oil suction chamber, and the other end connects outside oil groove, it is characterized in that：The pump housing is provided with some noise abatement grooves, is set on pump cover
There are some first reinforcements and the second reinforcement, be additionally provided with some echo grooves on pump cover, the echo groove is by three the first reinforcements
End to end formation successively, each echo groove have been interconnected to form echo area, and echo area is placed between noise abatement groove and rotor chamber, the
Two reinforcements are oppositely arranged with noise abatement groove.
2. a kind of simple noise reducing type engine oil pump assembly according to claim 1, it is characterized in that：The pressure limiting valve includes valve
Body, the valve element being placed in valve body and the bonnet being connected with valve body, valve element is interior to be provided with spring, and one end and the valve element of spring offset
Touch, the other end and bonnet of spring are inconsistent, and bonnet is provided with stopper slot, and spring is placed in stopper slot, the screw diameter of spring
It is adapted with bore in the groove of stopper slot.
3. a kind of simple noise reducing type engine oil pump assembly according to claim 2, it is characterized in that：The pitch of the spring exists
Between 2mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720227901.3U CN206626380U (en) | 2017-03-09 | 2017-03-09 | A kind of simple noise reducing type engine oil pump assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720227901.3U CN206626380U (en) | 2017-03-09 | 2017-03-09 | A kind of simple noise reducing type engine oil pump assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626380U true CN206626380U (en) | 2017-11-10 |
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ID=60211862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720227901.3U Active CN206626380U (en) | 2017-03-09 | 2017-03-09 | A kind of simple noise reducing type engine oil pump assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN206626380U (en) |
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 CN201720227901.3U patent/CN206626380U/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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