CN221169695U - Oil-gas separation mechanism for engine - Google Patents
Oil-gas separation mechanism for engine Download PDFInfo
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- CN221169695U CN221169695U CN202323010780.1U CN202323010780U CN221169695U CN 221169695 U CN221169695 U CN 221169695U CN 202323010780 U CN202323010780 U CN 202323010780U CN 221169695 U CN221169695 U CN 221169695U
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- oil
- separation
- gas
- main separation
- cylinder head
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- 238000000926 separation method Methods 0.000 title claims abstract description 128
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000008187 granular material Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 6
- 239000000565 sealant Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract 1
- 230000005494 condensation Effects 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 60
- 239000007789 gas Substances 0.000 description 41
- 238000012423 maintenance Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 239000010705 motor oil Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses an oil-gas separation mechanism for an engine, which comprises a cylinder head cover, wherein a pre-separation assembly is arranged at the bottom of the cylinder head cover, a main separation assembly is arranged at the top of the cylinder head cover, the pre-separation assembly is used for condensing and filtering large particle oil drops in crankcase oil gas, and the main separation assembly is used for carrying out secondary separation on the oil gas which is not completely treated by the pre-separation assembly. The utility model provides a not enough under the prior art has been solved to this design, adopts the mode of preseparation and the mutual cooperation of main separation to handle oil gas, first with large granule oil drop condensation and filtration, send back the remaining oil drop to engine crankcase again, realize fully filtering and reasonable cyclic utilization to oil gas, main separation subassembly is inside to adopt maintenance-free fabric to adsorb the filtration to oil drop, belong to maintenance-free scheme, low in use cost, and for the user has brought very big facility, preseparation subassembly and main separation subassembly are all installed on the cylinder head cover, arrange simply, and can dismantle.
Description
Technical Field
The utility model relates to the technical field of oil-gas separation, in particular to an oil-gas separation mechanism for an engine.
Background
As emissions regulations for engines become more stringent, exhaust gases from engine gas separators have been incorporated into the exhaust pollutants, and so gas-oil separation schemes affect the emission levels of the engines and even determine whether the emissions are acceptable. To cope with emission regulations, many engines employ a maintenance type oil-gas separator.
Under the prior art, the filter element of the maintenance type oil-gas separator needs maintenance, the use cost is high, if the maintenance is not performed regularly, the emission of an engine is deteriorated, even the regulation requirement is not met, the internal pressure of the engine is increased due to the non-periodic maintenance, the filtering efficiency of the oil-gas separator is reduced, and the phenomena of oil calling, abnormal engine oil consumption and the like occur.
Disclosure of utility model
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.
The present utility model has been made in view of the above-mentioned problems occurring in the prior art.
Therefore, the utility model aims to provide an oil-gas separation mechanism for an engine, which aims to solve the problems that the filter element of a maintenance type oil-gas separator needs maintenance, the use cost is high, if the maintenance is not performed regularly, the emission of the engine is deteriorated, even the regulation requirement is not met, the internal pressure of the engine is increased due to the non-regular maintenance, the filtering efficiency of the oil-gas separator is reduced, and the phenomena such as oil calling, abnormal engine oil consumption and the like occur.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model provides an oil gas separating mechanism for engine, includes the cylinder head cover, the cylinder head cover bottom is installed and is pre-separated the subassembly, the cylinder head cover top is installed and is separated the subassembly, pre-separation the subassembly and be used for condensing the big granule oil drop in the crankcase oil gas and filter, the main subassembly that separates is used for carrying out the second grade to the oil gas that pre-separation the subassembly is not fully handled.
As a preferable scheme of the oil-gas separation mechanism for the engine, the oil-gas separation mechanism for the engine comprises a mounting frame, wherein an air inlet plate is arranged on the left side of the mounting frame in an extending mode, a U-shaped plate is fixedly arranged on the top of the mounting frame, a group of U-shaped plates are arranged, the bottoms of two adjacent U-shaped plates are fixedly connected through a connecting plate, communication holes are densely formed in the air inlet plate and the connecting plate, and communication holes are densely formed in the left side of the U-shaped plate.
As an optimal scheme of the oil-gas separation mechanism for the engine, the oil return nozzles for pre-separation are fixedly arranged at the bottom of the mounting frame, two oil return seal rings are fixedly arranged at the top of the mounting frame.
As an optimal scheme of the oil-gas separation mechanism for the engine, M4 screws are arranged on the mounting frame, eleven M4 screws are arranged on the mounting frame, the M4 screws are distributed around the mounting frame, the M4 screws are used for fixing a pre-separation assembly and a cylinder head cover, and sealing glue is coated on the mounting surface between the pre-separation assembly and the cylinder head cover.
As an optimal scheme of the oil-gas separation mechanism for the engine, the bottom of the main separation assembly is provided with the main separation oil return nozzle, the main separation oil return nozzle penetrates through the pre-separation assembly and is directly communicated with the crankcase, the periphery of the main separation oil return nozzle is attached to the oil return sealing ring, and the inside of the main separation assembly is provided with the maintenance-free fabric which is used for adsorbing oil drops.
As a preferable scheme of the oil-gas separation mechanism for the engine, a main separation air inlet is formed in the bottom of the main separation assembly, a main separation exhaust pipe is arranged on the surface of the main separation assembly, and the main separation assembly is fixedly connected with the top of the cylinder head cover through bolts.
The utility model has the beneficial effects that:
When the oil-gas separator is used, oil gas of an engine crankcase can enter a pre-separation assembly through an air inlet plate, the pre-separation assembly adopts a separation mode of impact plus maze, when the oil gas shuttles between a group of U-shaped plates, large particle oil drops in the oil gas of the crankcase are condensed and filtered and flow down from a pre-separation oil return nozzle, the pre-separated oil gas enters a main separation assembly through a main separation air inlet, the main separation assembly carries out secondary separation on the oil gas which is not completely treated in the pre-separation, the oil drops directly return to the engine crankcase through the main separation oil return nozzle to participate in lubrication, and waste gas is output outwards through a main separation exhaust pipe, so the design solves the defects in the prior art: 1. the method of processing oil gas by mutually matching the pre-separation and the main separation is adopted, large-particle oil drops are firstly aggregated and filtered, and then the rest oil drops are sent back to an engine crankcase, so that the oil gas is fully filtered and reasonably recycled. 2. The main separation component adopts the maintenance-free fabric to adsorb and filter oil drops, belongs to a maintenance-free scheme, has low use cost and brings great convenience for users. 3. The pre-separation assembly and the main separation assembly are both arranged on the cylinder head cover, are simple in arrangement, have no connection arrangement such as pipelines, are detachable, and have extremely high operability. 4. When oil drops return to the interior of the engine crankcase through the main separation oil return nozzle, the oil return sealing ring is arranged outside the main separation oil return nozzle, so that the phenomenon that the discharged gas contains high oil content due to the fact that crankcase oil gas directly enters the main separation without pre-separation can be avoided, and the emission of pollutants and the engine oil consumption are influenced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is an exploded view of the overall structure of the present utility model;
Fig. 4 is a cross-sectional view of the overall structure of the present utility model.
In the figure: 100. a cylinder head cover; 200. a preseparation assembly; 201. a mounting frame; 202. an air inlet plate; 203. a U-shaped plate; 204. a splice plate; 205. pre-separating oil return nozzle; 206. an oil return sealing ring; 207. m4 screws; 300. a main separation assembly; 301. a main separation return nozzle; 302. a main separation exhaust pipe; 303. a primary separation inlet; 304. and (5) a bolt.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Referring to fig. 1 to 4, the present utility model provides an oil-gas separation mechanism for an engine, comprising a cylinder head cover 100, a pre-separation assembly 200 is installed at the bottom of the cylinder head cover 100, a main separation assembly 300 is installed at the top of the cylinder head cover 100, the pre-separation assembly 200 is used for condensing and filtering large particle oil drops in crankcase oil gas, and the main separation assembly 300 is used for performing secondary separation on the oil gas which is not completely processed by the pre-separation assembly 200.
The preseparation assembly 200 comprises a mounting frame 201, an air inlet plate 202 is arranged on the left side of the mounting frame 201 in an upward extending mode, a U-shaped plate 203 is fixedly arranged at the top of the mounting frame 201, a group of U-shaped plates 203 are arranged, the bottoms of two adjacent U-shaped plates 203 are fixedly connected through a connecting plate 204, communication holes are densely formed in the air inlet plate 202 and the connecting plate 204, and communication holes are densely formed in the left side of the U-shaped plate 203.
Further, the pre-separation oil return nozzle 205 is fixedly installed at the bottom of the installation frame 201, two pre-separation oil return nozzles 205 are arranged, the oil return sealing rings 206 are fixedly installed at the top of the installation frame 201, M4 screws 207 are arranged on the installation frame 201, the M4 screws 207 are distributed around the installation frame 201, the M4 screws 207 are used for fixing the pre-separation assembly 200 and the cylinder head cover 100, the installation surface between the pre-separation assembly 200 and the cylinder head cover 100 is coated with sealant, the sealant can ensure tightness, the occurrence of air leakage and other conditions is avoided, all parts of the pre-separation assembly 200 can be made of stamping plates or plastic materials, the production process is simple, the cost is low, and the installation and the disassembly are convenient due to the mode of fixing the M4 screws 207.
Further, the bottom of the main separation assembly 300 is provided with a main separation oil return nozzle 301, the main separation oil return nozzle 301 passes through the pre-separation assembly 200 and is directly communicated with the crankcase, the periphery of the main separation oil return nozzle 301 is attached to the oil return sealing ring 206, the inside of the main separation assembly 300 is provided with a maintenance-free fabric, the maintenance-free fabric is used for adsorbing oil drops, and the arrangement of the oil return sealing ring 206 can prevent the oil content in the discharged gas from being higher due to the fact that crankcase oil gas directly enters the main separation without being pre-separated, and the discharge of pollutants and the consumption of engine oil are influenced.
Further, a main separation air inlet 303 is arranged at the bottom of the main separation assembly 300, a main separation exhaust pipe 302 is arranged on the surface of the main separation assembly 300, the main separation exhaust pipe 302 is used for outputting filtered exhaust gas outwards, the main separation assembly 300 is fixedly connected with the top of the cylinder head cover 100 through bolts 304, and the bolts 304 are fixed so as to facilitate the installation and the disassembly of the main separation assembly 300.
In use, oil gas from the crankcase of the engine enters the pre-separation assembly 200 through the air inlet plate 202, the pre-separation assembly 200 adopts a separation mode of impact plus labyrinth, and when the oil gas shuttles between the group of U-shaped plates 203, large particle oil drops in the oil gas from the crankcase are condensed and filtered, and flow down from the pre-separation return nozzle 205.
The oil gas after pre-separation enters the main separation assembly 300 through the main separation air inlet 303, the main separation assembly 300 performs secondary separation on the oil gas which is not completely treated by the pre-separation, the maintenance-free fabric in the main separation assembly 300 can effectively adsorb oil drops and successfully filter the oil drops, the oil drops directly return to the crankcase of the engine through the main separation oil return nozzle 301 to participate in lubrication, and the waste gas is output outwards through the main separation exhaust pipe 302.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (6)
1. The utility model provides an oil gas separating mechanism for engine, its characterized in that includes cylinder head cover (100), pre-separation subassembly (200) are installed to cylinder head cover (100) bottom, main separation subassembly (300) are installed at cylinder head cover (100) top, pre-separation subassembly (200) are used for condensing and filtering the big granule oil drop in the crankcase oil gas, main separation subassembly (300) are used for carrying out the second grade separation to the oil gas that pre-separation subassembly (200) did not handle.
2. The oil-gas separation mechanism for the engine according to claim 1, wherein the pre-separation assembly (200) comprises a mounting frame (201), an air inlet plate (202) is arranged on the left side of the mounting frame (201) in an extending mode, a U-shaped plate (203) is fixedly arranged at the top of the mounting frame (201), a group of U-shaped plates (203) are arranged, two adjacent U-shaped plates (203) are fixedly connected through a connecting plate (204) at the bottom, communication holes are densely formed in the air inlet plate (202) and the connecting plate (204), and communication holes are densely formed in the left side of the U-shaped plate (203).
3. The oil-gas separation mechanism for the engine according to claim 2, wherein a pre-separation oil return nozzle (205) is fixedly arranged at the bottom of the mounting frame (201), two pre-separation oil return nozzles (205) are arranged, and an oil return sealing ring (206) is fixedly arranged at the top of the mounting frame (201).
4. The oil-gas separation mechanism for an engine according to claim 2, wherein the mounting frame (201) is provided with M4 screws (207), the M4 screws (207) are eleven, the M4 screws (207) are distributed around the mounting frame (201), the M4 screws (207) are used for fixing the pre-separation assembly (200) and the cylinder head cover (100), and the mounting surface between the pre-separation assembly (200) and the cylinder head cover (100) is coated with sealant.
5. The oil-gas separation mechanism for the engine according to claim 1, wherein a main separation oil return nozzle (301) is arranged at the bottom of the main separation assembly (300), the main separation oil return nozzle (301) passes through the pre-separation assembly (200) and is directly communicated with a crankcase, the periphery of the main separation oil return nozzle (301) is attached to an oil return sealing ring (206), and a maintenance-free fabric is arranged in the main separation assembly (300) and is used for adsorbing oil drops.
6. The oil-gas separation mechanism for the engine according to claim 1, wherein a main separation air inlet (303) is arranged at the bottom of the main separation assembly (300), a main separation exhaust pipe (302) is arranged on the surface of the main separation assembly (300), and the main separation assembly (300) is fixedly connected with the top of the cylinder head cover (100) through bolts (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010780.1U CN221169695U (en) | 2023-11-08 | 2023-11-08 | Oil-gas separation mechanism for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323010780.1U CN221169695U (en) | 2023-11-08 | 2023-11-08 | Oil-gas separation mechanism for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221169695U true CN221169695U (en) | 2024-06-18 |
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ID=91462676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323010780.1U Active CN221169695U (en) | 2023-11-08 | 2023-11-08 | Oil-gas separation mechanism for engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221169695U (en) |
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2023
- 2023-11-08 CN CN202323010780.1U patent/CN221169695U/en active Active
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