CN204900132U - High -pressure oil pump and engine cylinder block integrated structure - Google Patents
High -pressure oil pump and engine cylinder block integrated structure Download PDFInfo
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- CN204900132U CN204900132U CN201520515964.XU CN201520515964U CN204900132U CN 204900132 U CN204900132 U CN 204900132U CN 201520515964 U CN201520515964 U CN 201520515964U CN 204900132 U CN204900132 U CN 204900132U
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- oil pump
- pressure oil
- pump
- engine cylinder
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- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a high -pressure oil pump and engine cylinder block integrated structure, includes the engine cylinder block and the high -pressure oil pump pump body, the high -pressure oil pump pump body on settle respectively and have fuel feed pump plunger assembly, oil pump camshaft and other auxiliaries of oil pump, the high -pressure oil pump pump body and engine cylinder block casting as an organic whole form. The utility model discloses well high -pressure oil pump and engine cylinder block integrated mode simple structure, loading and unloading convenience, manufacturing maintenance cost are hanged down, and also higher, during operation is difficult for sending the noise to the joint strength of while this integrated morphology high -pressure oil pump pump body, noise pollution is less.
Description
Technical field
The utility model relates to technical field of automobile engine, is specifically related to a kind of high pressure oil pump and the integrated structure of engine cylinder-body.
Background technique
At present, diesel oil high-pressure common rail motor high pressure oil pump used is installed on the engine with the form of oil pump assy substantially, and oil pump supplier does not keep in repair separately fuel feed pump plunger assembly when after sales service, once high pressure oil pump breaks down, substantially be all that the form changing oil pump assy is keeped in repair, maintenance cost is higher.
Existing oil-fired system supplier can provide separately the fuel feed pump plunger assembly of high pressure oil pump, and other auxiliary of high pressure oil pump can be designed by engine works and assemble.Therefore, people can design with reference to existing high pressure oil pump, the auxiliary of fuel feed pump plunger assembly and high pressure oil pump and pump body are integrated into high-pressure fuel injection pump assembly, and then are assembled on motor.The program can reduce the maintenance cost of high pressure oil pump, but the level of integration of program mesohigh oil pump assy and engine cylinder-body is poor, and its space is arranged compact not, and the problem that when insufficient strength that there is the pump housing is high, oil pump runs, noise is larger.
Another kind of scheme, be the high pressure oil pump pump housing and motor are integrated together, fuel feed pump plunger assembly and high pressure oil pump auxiliary are directly assembled on engine cylinder-body.The mode that This solution avoids to change oil pump assy to keep in repair high pressure oil pump defect, reduce maintenance cost, solve the problem that the level of integration of high pressure oil pump and engine cylinder-body is poor, but the pump housing of program mesohigh oil pump still needs independent design, manufacture, the cost of its design, manufacture is still higher.Meanwhile, the intensity of its pump housing does not also obtain effective guarantee, and during operation, noise is still larger.
Summary of the invention
The purpose of this utility model is for above-mentioned defect, provides that a kind of structure is simple, easy to loading and unloading, to manufacture maintenance cost low, the high pressure oil pump that high pressure oil pump pump housing intensity is high, noise is low when running, noise pollution is little and the integrated structure of engine cylinder-body.
For achieving the above object, technical solution of the present utility model is:
The integrated morphology of a kind of high pressure oil pump and engine cylinder-body, comprise engine cylinder-body and the high pressure oil pump pump housing, the described high pressure oil pump pump housing is mounted with respectively fuel feed pump plunger assembly, cam of injection pump axle and other auxiliaries of oil pump, the described high pressure oil pump pump housing and engine cylinder-body are integrated casting and form.
Further, the oil leab that the described high pressure oil pump pump housing is provided with directly and the main oil gallery of engine cylinder-body is connected.
Compared with prior art, the beneficial effects of the utility model are:
1, the high pressure oil pump pump housing in the utility model and engine cylinder-body are integrated casting and form, other auxiliaries of fuel feed pump plunger assembly and high pressure oil pump are directly assemblied on the high pressure oil pump pump housing, the utility model mesohigh oil pump and the integrated mode structure of engine cylinder-body is simple, easy to loading and unloading, to manufacture maintenance cost low, simultaneously this integrated morphology make the join strength of the high pressure oil pump pump housing also higher, work time not easily make a noise, noise pollution is less;
2, the utility model by the high pressure oil pump pump housing and motor cylinder casting integral, the oil leab that main oil gallery that is direct and engine cylinder-body is connected can be set on the housing of the high pressure oil pump pump housing, make the bearing lubrication of high pressure oil pump and plunger lubrication directly can get oil from the main oil gallery of engine cylinder-body, do not need to arrange extra lubricating pipe, effectively reduce cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure, fuel feed pump plunger assembly 1, engine cylinder-body 2, the high pressure oil pump pump housing 3, cam of injection pump axle 4.
Embodiment
Illustrate below in conjunction with accompanying drawing and with specific embodiment mode, the utility model to be described in further detail.
See Fig. 1, the integrated morphology of a kind of high pressure oil pump and engine cylinder-body, comprise other auxiliaries of engine cylinder-body 2, the high pressure oil pump pump housing 3, fuel feed pump plunger assembly 1, cam of injection pump axle 4 and oil pump, the described high pressure oil pump pump housing 3 is integrated casting with engine cylinder-body 2 and forms.Concrete, cam of injection pump axle 4 loads in the high pressure oil pump pump housing 3 from engine cylinder-body 2 ear end face opening, and fuel feed pump plunger assembly 1 is directly installed on the installation position, top of the high pressure oil pump pump housing 3.The utility model structure is simple, and when high pressure oil pump breaks down, keep in repair high pressure oil pump by the form changing fuel feed pump plunger assembly 1 or other auxiliaries, need not change oil pump assy as prior art, maintenance cost is lower; Meanwhile, because the high pressure oil pump pump housing and engine cylinder-body are that integrally casting forms, thus the high pressure oil pump of this integrated morphology also to have structural strength high, the advantage that during operation, noise is little.The advantage such as structure of the present utility model is simple, cost is low, also have that structural strength is high simultaneously, long service life, noise pollution are little.
As preferred technological scheme, the oil leab that the described high pressure oil pump pump housing 3 is provided with directly and the main oil gallery of engine cylinder-body 2 is connected.So, the bearing lubrication of high pressure oil pump and plunger lubrication just directly can get oil from the main oil gallery of engine cylinder-body, do not need to arrange extra lubricating pipe, can effectively reduce costs.
Above content is the further description done the utility model in conjunction with embodiment; can not think that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of an ordinary skill in the technical field; without departing from the concept of the premise utility; the simple replacement made, all should be considered as belonging to protection domain of the present utility model.
Claims (2)
1. a high pressure oil pump and the integrated structure of engine cylinder-body, comprise engine cylinder-body (2) and the high pressure oil pump pump housing (3), the described high pressure oil pump pump housing (3) is mounted with respectively fuel feed pump plunger assembly (1), cam of injection pump axle (4) and other auxiliaries of oil pump, it is characterized in that: the described high pressure oil pump pump housing (3) and engine cylinder-body (2) are integrated casting and form.
2. a kind of high pressure oil pump according to claim 1 and the integrated structure of engine cylinder-body, is characterized in that: the oil leab that the described high pressure oil pump pump housing (3) is provided with directly and the main oil gallery of engine cylinder-body (2) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515964.XU CN204900132U (en) | 2015-07-16 | 2015-07-16 | High -pressure oil pump and engine cylinder block integrated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515964.XU CN204900132U (en) | 2015-07-16 | 2015-07-16 | High -pressure oil pump and engine cylinder block integrated structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900132U true CN204900132U (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520515964.XU Active CN204900132U (en) | 2015-07-16 | 2015-07-16 | High -pressure oil pump and engine cylinder block integrated structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204900132U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024831A (en) * | 2020-08-31 | 2020-12-04 | 东风商用车有限公司 | Casting method of engine cylinder body integrated with high-pressure oil pump and chill core support for casting |
-
2015
- 2015-07-16 CN CN201520515964.XU patent/CN204900132U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112024831A (en) * | 2020-08-31 | 2020-12-04 | 东风商用车有限公司 | Casting method of engine cylinder body integrated with high-pressure oil pump and chill core support for casting |
| CN112024831B (en) * | 2020-08-31 | 2022-04-29 | 东风商用车有限公司 | Casting method of engine cylinder body integrated with high-pressure oil pump and chill core support for casting |
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