CN216077265U

CN216077265U - Oil-gas separator with good collecting effect

Info

Publication number: CN216077265U
Application number: CN202122678725.4U
Authority: CN
Inventors: 张伟涛; 张学东; 宋平
Original assignee: Taizhou Shida Auto Parts Co ltd
Current assignee: Taizhou Shida Auto Parts Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-18
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses an oil-gas separator with good collection effect, belonging to the technical field of automobile oil-gas separation equipment, comprising a bottom plate and a cover plate arranged above the bottom plate, wherein the bottom plate and the cover plate are matched to form a cavity, the cavity comprises a front cavity and a rear cavity which are mutually communicated, the front cavity is communicated with an air inlet, a flow guide separation part is arranged in the front cavity, the flow guide separation part comprises a plurality of flow guide separation sheets which are integrally formed with the cover plate, each flow guide separation sheet comprises a front part, a middle part and a rear part, the front part and the rear part are linear, the middle part is in a bow shape and is connected with the front part and the rear part, one side of the front part, the middle part and the rear part is provided with turbulence fins extending towards the rear cavity, the fins of the middle part are positioned at one side of an outward bending bulge, the turbulence fins of the front part and the rear part are positioned at the side opposite to the turbulence of the middle part, a main oil collecting groove is also arranged in the front cavity, the main oil collecting groove is closer to the rear cavity than the flow guide separation part, the main oil collecting groove is concavely arranged on the bottom plate, so that the effects of strong oil-gas separation capability and good engine oil collecting effect are achieved.

Description

Oil-gas separator with good collecting effect

Technical Field

The utility model relates to the field of automobile oil-gas separation equipment, in particular to an oil-gas separator with a good collection effect.

Background

The engine crankcase of an automobile is connected to the engine block and at the end of the engine's combustion process, some unburned mixture leaks into the crankcase from the piston rings under high pressure, a leak known in the industry as "blow-by". The blowby gas can escape into the atmosphere from the crankcase to cause pollution, the blowby gas mixture is not discharged, the oil in the crankcase can be diluted, the oil is deteriorated to cause premature wear of engine parts, the oil in the crankcase can be evaporated due to the higher temperature of the gas mixture to form mixed gas with oil vapor, if the gas mixture is directly discharged, air pollution is caused, and the waste of the oil is caused, so that the prior automobile is provided with an oil-gas separator at a crankcase breathing port of an engine to reduce the pollution.

The application date is 2018, 06 and 01, and the Chinese utility model patent with the application number of 2018208483757 discloses an oil-gas separator, which belongs to the technical field of oil-gas separation and comprises a main body bottom plate and a main body shell arranged on the main body bottom plate, wherein a hollow cavity is arranged in the main body shell, the main body bottom plate is arranged in a rectangle shape, one end of the rectangular main body bottom plate is provided with a mixed gas inlet cavity, the other end of the rectangular main body bottom plate is provided with an oil return port, the main body shell is hermetically connected with a PCV valve, and a first oil-gas separation part and a second oil-gas separation part which can change the movement direction of mixed gas are arranged between the mixed gas inlet cavity and the oil return port in the main body shell; the oil-gas separation device has the advantages of simple structure and low manufacturing cost, and the mixed waste gas can play the effect of oil-gas separation after passing through the first oil-gas separation part and the second oil-gas separation part. However, the oil-gas separator has great defects in the aspects of oil-gas separation and engine oil collection, so that the engine oil cannot be separated as early as possible, and the engine oil is difficult to collect intensively, so that the engine oil is dispersed in the oil-gas separator to cause clogging in the later period.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the related technology at least to a certain extent aiming at the defects in the prior art, and provides the oil-gas separator with good collection effect so as to achieve the purposes of strong oil-gas separation capability and good engine oil collection effect.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides a collect effectual oil and gas separator, includes the bottom plate and locates the apron of bottom plate top, the bottom plate forms the cavity with the apron cooperation, be equipped with the PCV valve with the cavity intercommunication on the apron, be equipped with the air inlet with the cavity intercommunication on the bottom plate, the cavity includes preceding cavity and the back cavity that communicates each other, preceding cavity and air inlet intercommunication, be equipped with the water conservancy diversion separation part in the preceding cavity, the water conservancy diversion separation part includes many water conservancy diversion parting strips with apron integrated into one piece, the water conservancy diversion parting strip includes front portion, middle part and rear portion, front portion and rear portion are the linear type, the middle part is the bow type and links to each other front portion and rear portion, one side at front portion, middle part and rear portion all is equipped with the vortex wing that extends to the back cavity direction, the vortex wing at middle part is located one side of its outer bend, the vortex wing at front portion and rear portion all is located one side opposite with the vortex wing at middle part, the front cavity is also internally provided with a main oil collecting groove which is closer to the rear cavity than the diversion separation part, and the main oil collecting groove is concavely arranged on the bottom plate.

As specific embodiments of the present invention, the following may be preferred: the flow guide separation part also comprises a first side fin and a second side fin, and the first side fin and the second side fin are integrally formed with the cover plate.

As specific embodiments of the present invention, the following may be preferred: the bottom plate is provided with a baffle plate, the baffle plate is opposite to the air inlet, the length of the front part is gradually reduced from the front cavity to the rear cavity, the length of the front part closest to the rear cavity is the same as that of the middle part, and the length of the rear part is the same as that of the middle part.

As specific embodiments of the present invention, the following may be preferred: the bottom of the main oil collecting tank is in a shape that the middle of the main oil collecting tank is convex upwards and the two sides of the main oil collecting tank are concave downwards, two oil outlets are formed in the bottom of the main oil collecting tank, and the two oil outlets are respectively located on the two sides of the bottom of the main oil collecting tank.

As specific embodiments of the present invention, the following may be preferred: the rear cavity is provided with a filtering and separating part, the filtering and separating part comprises a blocking plate and a filtering plate, an auxiliary oil collecting tank and a flow disturbing table positioned between the auxiliary oil collecting tank and the filtering and separating part are further arranged in the rear cavity, and the flow disturbing table is convexly arranged on the bottom plate.

The technical effects of the utility model are mainly reflected in the following aspects: the front portion is the linear type, mainly play the guide effect, then the middle part is the bow type, turn the direction fast to the gas mixture, later guide by the rear portion again, guarantee that the gas mixture does not scurry the flow, and the design of vortex wing lets the gas mixture when passing through, form vortex gas in the vortex wing, many times of turning to the gas mixture has been increased, the vortex wing lets the passageway of gas mixture neglect greatly and suddenly, and then cause the velocity of flow of continuous change air current, the diversion for the air current provides more favorable condition, the effect of oil-gas separation has been improved, last main oil trap is closer to the rear chamber than water conservancy diversion separation portion, after the gas mixture crossed the water conservancy diversion separation piece, can be at water conservancy diversion separation piece internal oil-gas separation, machine oil can begin to separate and drip to the bottom plate, then machine oil is blown along the flow direction of gas mixture and is taken to main oil trap and is concentrated.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is a schematic structural diagram of the cover plate of the present invention.

Reference numerals: 1. a base plate; 2. a cover plate; 3. a PCV valve; 4. an air inlet; 5. a front chamber; 6. a rear chamber; 7. a flow guide separation sheet; 71. a front portion; 72. a middle part; 73. a rear portion; 8. turbulence fins; 9. a main oil sump; 10. a first side fin; 11. a second side fin; 12. a baffle plate; 13. an oil outlet hole; 14. a blocking plate; 15. a filter plate; 16. a spoiler; 17. and an auxiliary oil collecting tank.

Detailed Description

The embodiments of the present invention will be described in detail below, examples of which are illustrated in the accompanying drawings, and the embodiments described below by referring to the drawings are exemplary and intended to explain the present invention so that the technical aspects of the present invention can be more easily understood and appreciated, and are not to be construed as limiting the present invention.

Examples

An oil-gas separator with good collection effect is disclosed, referring to fig. 1, 2 and 4, the oil-gas separator with good collection effect comprises a bottom plate 1 and a cover plate 2 arranged above the bottom plate 1, the bottom plate 1 and the cover plate 2 are matched to form a cavity, the cover plate 2 is provided with a PCV valve 3 communicated with the cavity, the bottom plate 1 is provided with a gas inlet 4 communicated with the cavity, the cavity comprises a front chamber 5 and a rear chamber 6 which are communicated with each other, the front chamber 5 is communicated with the gas inlet 4, a flow guide separation part is arranged in the front chamber 5, the flow guide separation part comprises a plurality of flow guide separation sheets 7 integrally formed with the cover plate 2, each flow guide separation sheet 7 comprises a front part 71, a middle part 72 and a rear part 73, the front part 71 and the rear part 73 are linear, the middle part 72 is in a bow shape and connects the front part 71 and the rear part 73, one side of each of the front part 71, the middle part 72 and the rear part 73 is provided with a turbulence fin 8 extending towards the rear chamber 6, the turbulence fins 8 of the middle part 72 are positioned on one side of the outward bending bulge, the turbulence fins 8 of the front part 71 and the rear part 73 are positioned on one side opposite to the turbulence fins 8 of the middle part 72, a main oil collecting tank 9 is further arranged in the front cavity 5, the main oil collecting tank 9 is closer to the rear cavity 6 than the flow guiding separation part, and the main oil collecting tank 9 is concavely arranged on the bottom plate 1.

The mixed gas enters the front cavity 5 from the air inlet 4 and then passes through the flow guide separation part, and the flow guide separation piece 7 of the flow guide separation part can change the flow direction of the mixed gas for many times. Wherein, the front part 71 is linear and mainly plays a guiding role to introduce the mixed gas, then the middle part 72 is in a bow shape to rapidly change the direction of the mixed gas, then the mixed gas is guided by the rear part 73 to be led out to ensure that the mixed gas does not flow and flow back, and the existence of the turbulence fins 8 ensures that the mixed gas can rapidly change the direction when passing through the edges of the turbulence fins 8, small vortex airflow is formed in the turbulence fins 8, thereby further increasing the rapid direction change of the mixed gas for a plurality of times, simultaneously, the turbulence fins 8 ensure that the channels of the mixed gas are suddenly changed, further causing the flow velocity of the airflow to be continuously changed, providing more favorable conditions for the direction change of the airflow, improving the effect of oil-gas separation, finally, the main oil collecting tank 9 is closer to the rear cavity 6 than the flow guiding separation part, and after the mixed gas passes through the flow guiding separation sheets 7, the oil-gas separation in the flow separation sheets 7 can be separated, and the separated engine oil can begin to drop on the bottom plate 1, then the engine oil is blown along the flow direction of the mixed gas and is brought into the main oil collecting tank 9 for concentration, the concentration effect is good, and the clogging in the later period is effectively avoided.

The guide flow separating part also comprises a first side fin 10 and a second side fin 11, and the first side fin 10 and the second side fin 11 are integrally formed with the cover plate 2. The shape of the first side fin 10 is similar to that of the disturbing fin 8 at the rear part 73, the shape of the second side fin 11 is similar to that of the disturbing fin 8 at the middle part 72, and the first side fin 10 and the second side fin 11 can compensate the disturbing fins 8 at the neutral positions of the cover plates 2, so that the oil-gas separation effect is further improved.

Referring to fig. 3, the baffle plate 12 is arranged on the bottom plate 1, the baffle plate 12 faces the air inlet 4, the length L of the front part 71 is gradually reduced from the front chamber 5 to the rear chamber 6, the length of the position, closest to the rear chamber 6, of the front part 71 is the same as the length S of the middle part 72, and the length of the rear part 73 is the same as the length of the middle part 72. After the mixed gas enters the air inlet 4 under the guidance of the baffle plate 12, the airflow of the mixed gas flows upwards at first under the guidance of the baffle plate, then the mixed gas collides with the front part 71, the front part 71 guides the mixed gas, in order to ensure the sufficient airflow guiding, the length L of the front part 71 is set to be gradually reduced from the front chamber 5 to the rear chamber 6, so that the part with the longest length L of the front part 71 is approximately the same as the height of the front chamber 5, the airflow guiding is sufficient, and because the length L of the front part 71 is gradually reduced from the front chamber 5 to the rear chamber 6, the part of the airflow of the mixed gas can be ensured to escape to the lower part of the middle part 72 and the rear part 73, the reduction of the flow speed of the part of the airflow is reduced, the separated engine oil can be blown to the main oil collecting tank 9 to be concentrated, and the concentration effect is improved.

The bottom of the main oil collecting tank 9 is convex in the middle and concave in two sides, two oil outlets 13 are arranged at the bottom of the main oil collecting tank 9, and the two oil outlets 13 are respectively positioned at two sides of the bottom of the main oil collecting tank 9. The design enables the engine oil to be better concentrated on two sides of the bottom of the main oil collecting groove 9 and then discharged through the oil outlet 13.

Referring to fig. 2 and 3, the rear chamber 6 is provided with a filtering and separating portion, the filtering and separating portion includes a blocking plate 1412 and a filtering plate 15, a secondary oil collecting tank 17 and a spoiler 16 located between the secondary oil collecting tank 17 and the filtering and separating portion are further disposed in the rear chamber 6, and the spoiler 16 is convexly disposed on the bottom plate 1. The blocking plate 1412 and the filter plate 15 can further improve the oil-gas separation efficiency, and the spoiler 16 can further rapidly change the direction of the air flow, so that the oil-gas separation efficiency can be ensured, and the separated engine oil can be blown to the auxiliary oil collecting tank 17 for concentration.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a collect effectual oil and gas separator, includes the bottom plate and locates the apron of bottom plate top, the bottom plate forms the cavity with the apron cooperation, be equipped with the PCV valve with the cavity intercommunication on the apron, be equipped with the air inlet with the cavity intercommunication on the bottom plate, characterized by, the cavity includes preceding cavity and the back cavity that communicates each other, preceding cavity and air inlet intercommunication, be equipped with water conservancy diversion separation part in the preceding cavity, water conservancy diversion separation part includes many water conservancy diversion parting strips that form with apron an organic whole, water conservancy diversion parting strip includes front portion, middle part and rear portion, front portion and rear portion are the linear type, the middle part is the bow type and links to each other front portion and rear portion, one side at front portion, middle part and rear portion all is equipped with the vortex that extends to the back cavity direction, the vortex at middle part is located one side that its inflexion is protruding, front portion and vortex wing at rear portion all are located one side opposite with the vortex wing at middle part, the front cavity is also internally provided with a main oil collecting groove which is closer to the rear cavity than the diversion separation part, and the main oil collecting groove is concavely arranged on the bottom plate.

2. An oil-gas separator with good collection effect as claimed in claim 1, wherein: the flow guide separation part also comprises a first side fin and a second side fin, and the first side fin and the second side fin are integrally formed with the cover plate.

3. An oil-gas separator with good collection effect as claimed in claim 1, wherein: the bottom plate is provided with a baffle plate, the baffle plate is opposite to the air inlet, the length of the front part is gradually reduced from the front cavity to the rear cavity, the length of the front part closest to the rear cavity is the same as that of the middle part, and the length of the rear part is the same as that of the middle part.

4. An oil-gas separator with good collection effect as claimed in claim 1, wherein: the bottom of the main oil collecting tank is in a shape that the middle of the main oil collecting tank is convex upwards and the two sides of the main oil collecting tank are concave downwards, two oil outlets are formed in the bottom of the main oil collecting tank, and the two oil outlets are respectively located on the two sides of the bottom of the main oil collecting tank.

5. An oil-gas separator with good collection effect as claimed in claim 1, wherein: the rear cavity is provided with a filtering and separating part, the filtering and separating part comprises a blocking plate and a filtering plate, an auxiliary oil collecting tank and a flow disturbing table positioned between the auxiliary oil collecting tank and the filtering and separating part are further arranged in the rear cavity, and the flow disturbing table is convexly arranged on the bottom plate.