CN206846272U - A kind of lubricating oil pump and engine oil pump cover - Google Patents
A kind of lubricating oil pump and engine oil pump cover Download PDFInfo
- Publication number
- CN206846272U CN206846272U CN201720728540.0U CN201720728540U CN206846272U CN 206846272 U CN206846272 U CN 206846272U CN 201720728540 U CN201720728540 U CN 201720728540U CN 206846272 U CN206846272 U CN 206846272U
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- oil pump
- pump cover
- engine oil
- chamber
- working chamber
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Abstract
The utility model discloses a kind of lubricating oil pump and engine oil pump cover, wherein engine oil pump cover includes pump cover body.Pressure-releasing chamber is provided with the pump cover body for the engine oil pump cover that this programme provides, pressure-releasing chamber includes shoe cream room and working chamber, and shoe cream room can temporarily be stored to high-pressure oil, and pressure relief device is provided with working chamber.Plunger and elastic component are provided with pressure-releasing chamber.Pressure relief device, is directly arranged in pump cover by the engine oil pump cover that this programme provides, it is not necessary to takes the free surrounding space of lubricating oil pump, improves the compactness of engine installation structure, so as to reduce lubricating oil pump and the space integrally taken of relief valve composition.
Description
Technical field
Cooling device technical field is the utility model is related to, more particularly to a kind of lubricating oil pump and engine oil pump cover.
Background technology
In motor vehicle engine field, lubricating oil pump plays critically important effect, and the relief valve of lubricating oil pump is to lubricating oil pump
Normal work serves guarantee and adjustment effect.
Lubricating oil pump in engine provides lubricating oil for whole system part, but the continuous firing of lubricating oil pump will occur and be
The too high phenomenon of oil pressure in system, so as to cause the power of engine to produce unnecessary consumption.
The effect of relief valve is to prevent the too high power for causing engine generation unnecessary of lubricating oil system oil pressure from disappearing
Consumption, when lubricating oil pump pump out oil pressure it is too high when, the pressure of relief valve work adjustment lubricating oil system, maintain the normal oil of main oil gallery
Pressure.
Relief valve is arranged separately in lubricating oil pump in the prior art, and the overall occupancy for causing lubricating oil pump to be formed with relief valve is empty
Between it is larger, influence the compactness of engine installation structure.
Therefore, lubricating oil pump and the space integrally taken of relief valve composition how are reduced, improves engine installation structure
Compactness, turn into those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
In view of this, the utility model provides a kind of engine oil pump cover, with reduce lubricating oil pump and relief valve form it is whole
The space that body takes, improve the compactness of engine installation structure.The utility model additionally provides a kind of lubricating oil pump.
To achieve the above object, the utility model provides following technical scheme:
A kind of engine oil pump cover, including pump cover body, oil suction chamber and oil outlet chamber, the pump are provided with the pump cover body
Pressure-releasing chamber is additionally provided with lid body, the pressure-releasing chamber includes shoe cream room and working chamber, the end of the shoe cream room and the work
Make the connection of chamber head end, the head end of the shoe cream room connects with the oil outlet chamber, and the working chamber connects with the oil suction chamber, described
The face size of working chamber is more than the face size of the shoe cream room, is provided with the working chamber for controlling the working chamber
The plunger whether connected with the oil suction chamber, the upper surface of the plunger can offset with the head end of the working chamber, the post
The lower end of plug is connected with elastic component, and the lower end of the elastic component and the inner wall at end of the working chamber offset.
Preferably, in said engine oil pump pump cover, the elastic component is spring.
Preferably, in said engine oil pump pump cover, the elastic component is rubber block.
Preferably, in said engine oil pump pump cover, the elastic component is shell fragment.
Preferably, in said engine oil pump pump cover, packing ring is provided between the end of the elastic component and the working chamber.
Preferably, in said engine oil pump pump cover, the plunger is rubber plunger.
Preferably, in said engine oil pump pump cover, the plunger is carbon steel plunger.
A kind of lubricating oil pump, including engine oil pump cover, the engine oil pump cover are the lubricating oil pump pump described in above-mentioned any one
Lid.
It can be seen from the above technical proposal that engine oil pump cover provided by the utility model, including pump cover body.This programme
Pressure-releasing chamber is provided with the pump cover body of the engine oil pump cover of offer, pressure-releasing chamber includes shoe cream room and working chamber, and shoe cream room can
High-pressure oil is temporarily stored, pressure relief device is provided with working chamber.Plunger and elastic component are provided with pressure-releasing chamber.We
Pressure relief device, is directly arranged in pump cover by the engine oil pump cover that case provides, it is not necessary to takes the free surrounding space of lubricating oil pump, improves
The compactness of engine installation structure, so as to reduce lubricating oil pump and the space that integrally takes of relief valve composition.
The invention also discloses a kind of lubricating oil pump, including engine oil pump cover, because engine oil pump cover has above-mentioned skill
Art effect, the lubricating oil pump with the engine oil pump cover also with same technique effect, will not be repeated here.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the engine oil pump cover that the utility model embodiment provides;
Fig. 2 is the partial structural diagram for the engine oil pump cover that the utility model embodiment provides;
Fig. 3 is the oil circuit figure for the engine oil pump cover that the utility model embodiment provides.
1st, oil suction chamber, 2, oil outlet chamber, 3, shoe cream room, 4, working chamber, 5, plunger, 6, elastic component, 7, packing ring.
Embodiment
The utility model discloses a kind of engine oil pump cover, to reduce the sky integrally taken that lubricating oil pump and relief valve form
Between, improve the compactness of engine installation structure.The invention also discloses a kind of lubricating oil pump.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-Fig. 3 is referred to, Fig. 1 is the structural representation for the engine oil pump cover that the utility model embodiment provides;Fig. 2 is
The partial structural diagram for the engine oil pump cover that the utility model embodiment provides;Fig. 3 is what the utility model embodiment provided
The oil circuit figure of engine oil pump cover.
The utility model discloses a kind of engine oil pump cover, including pump cover body, the He of oil suction chamber 1 is provided with pump cover body
Oil outlet chamber 2, the oil that oil suction chamber 1 enters is low-pressure oil, and after pump inner and outer Rotator, low-pressure oil turns into high-pressure oil, high pressure
Machine oil is discharged by oil outlet chamber 2 again.When the engine oil pressure of oil outlet chamber 2 is higher than preset pressure, it is necessary to carry out pressure discharge operations.
Pressure-releasing chamber is provided with the pump cover body for the engine oil pump cover that this programme provides, pressure-releasing chamber includes shoe cream room 3 and work
Make chamber 4, shoe cream room 3 can temporarily be stored to high-pressure oil, and pressure relief device is provided with working chamber 4.
Concrete structure is as follows:
The end of shoe cream room 3 connects with the head end of working chamber 4, and the head end of shoe cream room 3 connects with oil outlet chamber 2, working chamber 4 with
Oil suction chamber 1 connects, and the face size of working chamber 4 is more than the connectivity part of the face size of shoe cream room 3, i.e. working chamber 4 and shoe cream room 3
Be provided with step surface, be provided with the plunger 5 for controlling working chamber 4 and oil suction chamber 1 whether to connect in working chamber 4, plunger 5 it is upper
End face can offset with the head end of working chamber 4, and the lower end of plunger 5 is connected with elastic component 6, lower end and the working chamber 4 of elastic component 6
Inner wall at end offsets.With the pressure change in shoe cream room 3 and oil outlet chamber 2, plunger 5 under the elastic force effect of elastic component 6 along
The axis of working chamber 4 moves back and forth.
When the pressure of shoe cream room 3 is more than preset pressure, machine oil promotes plunger 5 towards the end movement of working chamber 4, compression
Elastic component 6, partial high pressure machine oil are flowed into working chamber 4, are now capable of the partial pressure of removal oil outlet chamber 2;The pressure of shoe cream room 3
Lasting increase, plunger 5 continue towards the end movement of working chamber 4, continue compression elastic piece 6, until oil suction chamber 1 and working chamber 4
Connection, the high-pressure oil for now flowing into working chamber 4 enter oil suction chamber 1, realize the pressure discharge operations to shoe cream room 3;The pressure of shoe cream room 3
When power is let out to preset pressure, plunger 5 blocks the connection of working chamber 4 and oil suction chamber 1 under the restoring force effect of elastic component 6, now
Machine oil carries out conventional flowing.
Pressure relief device, is directly arranged in pump cover, it is not necessary to take lubricating oil pump by the engine oil pump cover that this programme provides
Free surrounding space, the compactness of engine installation structure is improved, taken so as to reduce lubricating oil pump with the overall of relief valve composition
Space.
In a specific embodiment of this programme, elastic component 6 is spring.
In another specific embodiment of this programme, elastic component 6 is rubber block.
In the 3rd specific embodiment of this programme, elastic component 6 is shell fragment.
No matter elastic component 6 is spring, rubber block or shell fragment, can realize effective supporting role to plunger 5,
And can realize and be effectively compressed, its restoring force can guarantee that plunger 5 recovers to original position, the company of barrier working chamber 4 and oil suction chamber 1
It is logical.
In order to further optimize above-mentioned technical proposal, packing ring 7, packing ring are provided between elastic component 6 and the end of working chamber 4
7 can play certain protective effect, the service life of extension fixture to pressure-releasing chamber and elastic component 6.
Plunger 5 is rubber plunger 5 or plunger 5 is carbon steel plunger 5, and specially which kind of material of plunger 5 is according to specific needs
Selected, be not limited to mentioned kind, be not specifically limited herein.
This programme additionally provides a kind of lubricating oil pump, including engine oil pump cover, and engine oil pump cover is any one above-mentioned scheme
Described in engine oil pump cover, because engine oil pump cover has above-mentioned technique effect, have the engine oil pump cover lubricating oil pump
With same technique effect.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (8)
- A kind of 1. engine oil pump cover, it is characterised in that including pump cover body, be provided with the pump cover body oil suction chamber (1) and Oil outlet chamber (2), pressure-releasing chamber is additionally provided with the pump cover body, the pressure-releasing chamber includes shoe cream room (3) and working chamber (4), institute The end for stating shoe cream room (3) connects with the working chamber (4) head end, and head end and the oil outlet chamber (2) of the shoe cream room (3) connect Logical, the working chamber (4) connects with the oil suction chamber (1), and the face size of the working chamber (4) is more than the shoe cream room (3) Face size, is provided with the working chamber (4) for controlling whether the working chamber (4) connects with the oil suction chamber (1) Plunger (5), the upper surface of the plunger (5) can offset with the head end of the working chamber (4), the lower end of the plunger (5) Elastic component (6) is connected with, the lower end of the elastic component (6) and the inner wall at end of the working chamber (4) offset.
- 2. engine oil pump cover according to claim 1, it is characterised in that the elastic component (6) is spring.
- 3. engine oil pump cover according to claim 1, it is characterised in that the elastic component (6) is rubber block.
- 4. engine oil pump cover according to claim 1, it is characterised in that the elastic component (6) is shell fragment.
- 5. engine oil pump cover according to claim 1, it is characterised in that the elastic component (6) and the working chamber (4) Packing ring (7) is provided between end.
- 6. engine oil pump cover according to claim 1, it is characterised in that the plunger (5) is rubber plunger (5).
- 7. engine oil pump cover according to claim 1, it is characterised in that the plunger (5) is carbon steel plunger (5).
- 8. a kind of lubricating oil pump, including engine oil pump cover, it is characterised in that the engine oil pump cover is any in claim 1-7 Engine oil pump cover described in one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720728540.0U CN206846272U (en) | 2017-06-21 | 2017-06-21 | A kind of lubricating oil pump and engine oil pump cover |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720728540.0U CN206846272U (en) | 2017-06-21 | 2017-06-21 | A kind of lubricating oil pump and engine oil pump cover |
Publications (1)
Publication Number | Publication Date |
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CN206846272U true CN206846272U (en) | 2018-01-05 |
Family
ID=60801686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720728540.0U Active CN206846272U (en) | 2017-06-21 | 2017-06-21 | A kind of lubricating oil pump and engine oil pump cover |
Country Status (1)
Country | Link |
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CN (1) | CN206846272U (en) |
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2017
- 2017-06-21 CN CN201720728540.0U patent/CN206846272U/en active Active
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