CN212716915U - Oil passage structure of oil pump of engine cylinder - Google Patents
Oil passage structure of oil pump of engine cylinder Download PDFInfo
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- CN212716915U CN212716915U CN202021485423.4U CN202021485423U CN212716915U CN 212716915 U CN212716915 U CN 212716915U CN 202021485423 U CN202021485423 U CN 202021485423U CN 212716915 U CN212716915 U CN 212716915U
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Abstract
The utility model provides an oil pump oil duct structure of an engine cylinder body, which comprises an engine cylinder body, an oil pump, an oil suction pipe, an inlet oil duct, an outlet oil duct, a plug and a main oil duct; an oil pump mounting hole is formed in the engine cylinder body, the oil pump is mounted in the oil pump mounting hole, an oil passage hole is formed in the engine cylinder body, one end of the oil passage hole is connected with an oil suction pipe, and the other end of the oil passage hole is connected with a main oil passage; the oil way is internally provided with a plug which divides the oil way pipe into an inlet oil way and an outlet oil way, one end of the inlet oil way is connected with the oil suction pipe, the other end of the inlet oil way is connected with the inlet of the oil pump, one end of the outlet oil way is connected with the outlet of the oil pump, and the other end of the outlet oil way is connected with the main oil way. The utility model discloses simple structure only needs an oil duct hole of processing on the engine cylinder body, sets up the end cap and divide into import oil duct and export oil duct with the oil duct hole in the oil duct hole, arranges succinctly, has reduced process time simultaneously, has practiced thrift the processing cost.
Description
Technical Field
The utility model relates to an engine technical field specifically, relates to an engine oil pump oil duct structure of engine cylinder body.
Background
The existing engine lubrication system is lubricated by an oil pump which is generally arranged on an engine cylinder and needs to be provided with an inlet oil passage and an outlet oil passage of the oil pump, wherein the oil pump provides a certain pressure and a certain flow of engine oil (also called lubricating oil). Most of the prior proposals are that an inlet oil channel and an outlet oil channel are respectively arranged and processed, namely an independent engine oil inlet oil channel and an independent engine oil outlet oil channel exist. However, this solution requires a large layout space, resulting in an increase in the layout size of the engine block, an increase in weight, and drilling from different directions or angles, which increases the manufacturing time and increases the production cost.
Patent document No. CN201554566U discloses an engine cylinder block integrated with an oil pump casing, which is composed of a cylinder block, an oil pump assembly and an oil pump cover, and is characterized in that: after the oil pump assembly is installed in the cylinder body, the oil pump cover and the cylinder body are used for installation to form a complete oil pump assembly; the oil pump assembly consists of an outer rotor, an inner rotor, a pin, a transmission shaft, a chain wheel and a bolt; the chain on the crankshaft drives the chain wheel to enable the oil pump to rotate, lubricating oil is sucked from the oil inlet cavity on the cylinder body and is pressed into the oil outlet cavity through the oil pump; the technical scheme of the patent document integrates the oil pump shell on the cylinder body, simplifies the installation of the oil pump, enables the structure of the engine to be more compact, reduces the manufacturing cost of the engine, is beneficial to increasing the utilization rate of the automobile space, and can be used for in-line single-cylinder and multi-cylinder diesel engines.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing an engine oil pump oil duct structure of engine cylinder body.
According to the utility model provides an engine oil pump oil duct structure of engine cylinder body, including engine cylinder body, oil pump, inhale oil pipe, import oil duct, export oil duct, end cap and main oil duct;
an oil pump mounting hole is formed in the engine cylinder body, the oil pump is mounted in the oil pump mounting hole, an oil passage hole is formed in the engine cylinder body, one end of the oil passage hole is connected with an oil suction pipe, and the other end of the oil passage hole is connected with a main oil passage;
the oil way is internally provided with a plug which divides the oil way pipe into an inlet oil way and an outlet oil way, one end of the inlet oil way is connected with the oil suction pipe, the other end of the inlet oil way is connected with the inlet of the oil pump, one end of the outlet oil way is connected with the outlet of the oil pump, and the other end of the outlet oil way is connected with the main oil way.
Preferably, the inlet oil passage and the outlet oil passage are coaxially arranged.
Preferably, the plug is a press-in plug, and the plug is connected with the oil passage hole in an interference fit manner.
Preferably, the plug is screwed into the oil channel hole, and the plug is in threaded connection with the oil channel hole.
Preferably, the choke plug and the oil passage hole are sealed through a sealing rubber ring.
Preferably, the oil suction pipe is connected with the inlet oil channel in a sealing manner through a sealing rubber ring.
Preferably, the main oil gallery and the outlet oil gallery are hermetically connected through a sealing rubber ring.
Preferably, the main oil gallery is connected to a lubrication system.
Preferably, a filtering device is arranged between the oil suction pipe and the inlet oil duct, and the filtering device is respectively connected with the oil suction pipe and the inlet oil duct in a sealing manner.
According to the utility model provides an engine oil pump oil duct structure of engine cylinder body, including engine cylinder body, oil pump, inhale oil pipe, import oil duct, export oil duct, end cap and main oil duct;
an oil pump mounting hole is formed in the engine cylinder body, the oil pump is mounted in the oil pump mounting hole, an oil passage hole is formed in the engine cylinder body, one end of the oil passage hole is connected with an oil suction pipe, and the other end of the oil passage hole is connected with a main oil passage;
an end cap is arranged in the oil passage hole, the oil passage pipe is divided into an inlet oil passage and an outlet oil passage by the end cap, one end of the inlet oil passage is connected with the oil suction pipe, the other end of the inlet oil passage is connected with an inlet of the oil pump, one end of the outlet oil passage is connected with an outlet of the oil pump, and the other end of the outlet oil passage is connected with the main oil passage;
the inlet oil duct and the outlet oil duct are coaxially arranged;
the plug is a press-in plug and is connected with the oil channel hole in an interference fit manner, or the plug is a screw-in plug and is connected with the oil channel hole through threads;
the plug and the oil channel hole are sealed through a sealing rubber ring;
the oil suction pipe is connected with the inlet oil duct in a sealing way through a sealing rubber ring;
the main oil duct is hermetically connected with the outlet oil duct through a sealing rubber ring;
the main oil gallery is connected with a lubricating system;
and a filtering device is arranged between the oil suction pipe and the inlet oil duct, and the filtering device is respectively connected with the oil suction pipe and the inlet oil duct in a sealing manner.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses simple structure only needs an oil duct hole of processing on the engine cylinder body, sets up the end cap and divide into import oil duct and export oil duct with the oil duct hole in the oil duct hole, arranges succinctly, has reduced process time simultaneously, has practiced thrift the processing cost.
2. The utility model discloses import oil duct is an oil duct hole with the export oil duct in fact for need to process oil duct hole quantity and reduce, reduced the risk that machine oil revealed simultaneously.
3. The utility model discloses set up filter equipment at the inlet pipeline upper reaches, filter the machine oil that gets into the oil pump for the machine oil that gets into oil pump and lubricating system is pure.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic diagram of the explosion structure of the present invention, and the engine cylinder block is only a schematic model in the diagram.
Fig. 2 is a schematic diagram of the connection relationship between the inlet oil duct, the outlet oil duct and the oil pump of the present invention.
Fig. 3 is a partial front view of the engine block of the present invention.
Fig. 4 is a schematic diagram of the structure of the oil pump.
The figures show that:
oil pump mounting bolt 1 oil pump mounting hole 7
Main oil gallery 8 of oil pump 2
Oil suction pipe 5 oil pump inlet 11
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
According to the oil pump oil passage structure of the engine cylinder body provided by the utility model, as shown in fig. 1-4, the oil pump oil passage structure comprises an engine cylinder body 3, an oil pump 2, an oil suction pipe 5, an inlet oil passage 9, an outlet oil passage 10, a plug 4 and a main oil passage 8; an oil pump mounting hole 7 is formed in the engine cylinder body 3, the oil pump 2 is mounted in the oil pump mounting hole 7, an oil passage hole is formed in the engine cylinder body 3, one end of the oil passage hole is connected with the oil suction pipe 5, and the other end of the oil passage hole is connected with the main oil passage 8; an end cap 4 is arranged in the oil passage hole, the oil passage pipe is divided into an inlet oil passage 9 and an outlet oil passage 10 by the end cap 4, one end of the inlet oil passage 9 is connected with an oil suction pipe 5, the other end of the inlet oil passage 9 is connected with an oil pump inlet 11, one end of the outlet oil passage 10 is connected with an oil pump outlet 12, and the other end of the outlet oil passage 10 is connected with a main oil passage 8.
The inlet oil passage 9 and the outlet oil passage 10 are coaxially arranged. The inlet oil channel 9 and the outlet oil channel 10 on the engine cylinder body 3 are coaxially and collinearly arranged, so that the processing can be independently finished in one processing procedure, the middle of an oil channel hole is divided into two sections through a plug, and the mounting surface of the plug 4 can also be processed in the procedure. Arrange respectively for traditional oil pump business turn over oil duct, the utility model discloses an solitary drilling adds end cap divided mode, has successfully realized two oil ducts of a drilling. The coaxial arrangement of the inlet oil duct 9 and the outlet oil duct 10 can simplify manufacturing and processing, reduce processing time and production cost, avoid the need of adding drilling holes and plugs for the outlet oil duct (drilling from different directions or angles can prolong manufacturing time and increase production cost), reduce the risk of engine oil leakage, have concise and compact arrangement space, and reduce parts and further reduce weight.
Preferably, the oil pump 2 is mounted in the oil pump mounting hole 7 through an oil pump mounting bolt 1. The suction pipe 5 is mounted on the engine block 3 by means of a suction pipe mounting bolt 6. In the specific implementation process, the oil pump 2 can be of different types, and the shape geometric dimension and flow of the oil pump can be changed.
In one embodiment, the plug 4 is a press-in plug, and the plug 4 is connected with the oil passage hole in an interference fit manner. In another embodiment, the plug 4 is a screwed plug, and the plug 4 is connected with the oil passage hole through threads.
And the plug 4 and the oil channel hole are sealed by a sealing rubber ring. The oil suction pipe 5 is connected with the inlet oil duct 9 in a sealing way through a sealing rubber ring. The main oil duct 8 is connected with the outlet oil duct 10 in a sealing manner through a sealing rubber ring. The main oil gallery 8 is connected with a lubricating system. And a filtering device is arranged between the oil suction pipe 5 and the inlet oil duct 9, and the filtering device is respectively connected with the oil suction pipe 5 and the inlet oil duct 9 in a sealing way. The filtering device is arranged at the upstream of the inlet pipeline and used for filtering the engine oil entering the engine oil pump, so that the engine oil entering the engine oil pump and the lubricating system is pure.
When the engine runs, under the action of the suction force of the oil pump 2, the engine oil enters the vertical oil passage, namely the inlet oil passage 9, on the engine cylinder body 3 through the oil suction pipe 5, then enters the engine oil pump inlet 11 through the precast cavity on the engine cylinder body 3, the engine oil entering the engine oil pump 2 flows into the outlet oil passage 10 through the engine oil pump outlet 12 after being further pressurized, finally enters the engine main oil passage 8, and the engine oil entering the main oil passage 8 enters other parts of the lubricating system through different oil passages and oil pipes to lubricate parts needing to be lubricated.
The utility model provides a design and machine-shaping's problem need be arranged respectively to oil pump import oil duct 9 and export oil duct 10. By adopting the scheme, the oil passage hole is processed and then divided into the inlet oil passage and the outlet oil passage from the middle seal by the plug 4, so that the arrangement design is simple, the weight is light, the processing time is reduced, the processing cost is saved, and the risk of engine oil leakage is reduced due to the reduction of the number of the oil passages.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. An oil pump oil duct structure of an engine cylinder body is characterized by comprising the engine cylinder body (3), an oil pump (2), an oil suction pipe (5), an inlet oil duct (9), an outlet oil duct (10), a plug (4) and a main oil duct (8);
an oil pump mounting hole (7) is formed in the engine cylinder body (3), the oil pump (2) is mounted in the oil pump mounting hole (7), an oil passage hole is formed in the engine cylinder body (3), one end of the oil passage hole is connected with the oil suction pipe (5), and the other end of the oil passage hole is connected with the main oil passage (8);
the oil passage is characterized in that a plug (4) is arranged in the oil passage hole, the oil passage pipe is divided into an inlet oil passage (9) and an outlet oil passage (10) by the plug (4), one end of the inlet oil passage (9) is connected with the oil suction pipe (5), the other end of the inlet oil passage (9) is connected with the oil pump inlet (11), one end of the outlet oil passage (10) is connected with the oil pump outlet (12), and the other end of the outlet oil passage (10) is connected with the main oil passage (.
2. The oil pump oil passage structure of an engine block according to claim 1, wherein the inlet oil passage (9) is provided coaxially with the outlet oil passage (10).
3. The oil pump oil passage structure of the engine cylinder block as claimed in claim 1, wherein the plug (4) is a press-in plug, and the plug (4) is connected with the oil passage hole in an interference fit manner.
4. The oil pump oil passage structure of the engine cylinder block as claimed in claim 1, wherein the plug (4) is a screwed plug, and the plug (4) is connected with the oil passage hole through threads.
5. The oil pump oil passage structure of the engine block according to claim 1, wherein the plug (4) and the oil passage hole are sealed by a sealing rubber ring.
6. The oil pump oil passage structure of the engine block according to claim 1, wherein the oil suction pipe (5) and the inlet oil passage (9) are sealingly connected by a sealing rubber ring.
7. The oil pump oil passage structure of the engine block according to claim 1, wherein the main oil passage (8) and the outlet oil passage (10) are sealingly connected by a sealing rubber ring.
8. The oil pump gallery structure of the engine block according to claim 1, wherein the main gallery (8) is connected to a lubrication system.
9. The oil pump oil passage structure of the engine block according to claim 1, wherein a filtering device is arranged between the oil suction pipe (5) and the inlet oil passage (9), and the filtering device is hermetically connected with the oil suction pipe (5) and the inlet oil passage (9) respectively.
10. An oil pump oil duct structure of an engine cylinder body is characterized by comprising the engine cylinder body (3), an oil pump (2), an oil suction pipe (5), an inlet oil duct (9), an outlet oil duct (10), a plug (4) and a main oil duct (8);
an oil pump mounting hole (7) is formed in the engine cylinder body (3), the oil pump (2) is mounted in the oil pump mounting hole (7), an oil passage hole is formed in the engine cylinder body (3), one end of the oil passage hole is connected with the oil suction pipe (5), and the other end of the oil passage hole is connected with the main oil passage (8);
a plug (4) is arranged in the oil passage hole, the oil passage pipe is divided into an inlet oil passage (9) and an outlet oil passage (10) by the plug (4), one end of the inlet oil passage (9) is connected with the oil suction pipe (5), the other end of the inlet oil passage (9) is connected with the oil pump inlet (11), one end of the outlet oil passage (10) is connected with the oil pump outlet (12), and the other end of the outlet oil passage (10) is connected with the main oil passage (8);
the inlet oil duct (9) and the outlet oil duct (10) are coaxially arranged;
the plug (4) is a press-in plug, and the plug (4) is connected with the oil channel hole in an interference fit manner, or the plug (4) is a screw-in plug, and the plug (4) is connected with the oil channel hole through threads;
the plug (4) and the oil channel hole are sealed through a sealing rubber ring;
the oil suction pipe (5) is connected with the inlet oil duct (9) in a sealing way through a sealing rubber ring;
the main oil duct (8) is connected with the outlet oil duct (10) in a sealing manner through a sealing rubber ring;
the main oil gallery (8) is connected with a lubricating system;
and a filtering device is arranged between the oil suction pipe (5) and the inlet oil duct (9), and the filtering device is respectively in sealing connection with the oil suction pipe (5) and the inlet oil duct (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021485423.4U CN212716915U (en) | 2020-07-24 | 2020-07-24 | Oil passage structure of oil pump of engine cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021485423.4U CN212716915U (en) | 2020-07-24 | 2020-07-24 | Oil passage structure of oil pump of engine cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212716915U true CN212716915U (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021485423.4U Active CN212716915U (en) | 2020-07-24 | 2020-07-24 | Oil passage structure of oil pump of engine cylinder |
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| Country | Link |
|---|---|
| CN (1) | CN212716915U (en) |
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2020
- 2020-07-24 CN CN202021485423.4U patent/CN212716915U/en active Active
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