CN219605369U

CN219605369U - Oil-liquid separator

Info

Publication number: CN219605369U
Application number: CN202320950297.2U
Authority: CN
Inventors: 张伟涛; 宋平; 王平
Original assignee: Taizhou Shida Auto Parts Co ltd
Current assignee: Taizhou Shida Auto Parts Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-29
Anticipated expiration: 2033-04-21

Abstract

The utility model discloses an oil-liquid separator, which relates to the technical field of automobile accessories, and the technical scheme is as follows: including last casing and lower casing, go up the casing and be connected with lower casing, be provided with filtration passageway between last casing and the lower casing, be provided with air inlet and gas outlet on the lower casing, be provided with the oil return pipe on the lower casing, be provided with the oil return mouth on the oil return pipe, be provided with the umbrella valve in the oil return mouth, the umbrella valve includes umbrella valve body and umbrella valve rod, umbrella valve rod and umbrella valve body are connected, the oil return mouth is worn to locate by the umbrella valve rod, the up end of umbrella valve body is provided with sealed bulge loop, sealed bulge loop can conflict in the inner wall of oil return pipe, umbrella valve body and sealed bulge loop cooperation can seal the oil return mouth, this fluid separator is through setting up sealed bulge loop at the up end of umbrella valve body for under the same effort, sealed bulge loop can be more powerful laminating in sealed face, the sealed effect to the oil return mouth is better.

Description

Oil-liquid separator

Technical Field

The utility model relates to the technical field of automobile accessories, in particular to an oil-liquid separator.

Background

Blowby gas in the crankcase of the engine can cause condensation of fuel vapor and water vapor, thereby deteriorating engine oil and contaminating engine components. If the blowby gas is not led out in time, the engine works for a long time, so that the pressure in the crankcase is overlarge, and the phenomena of air leakage and oil leakage of each joint part are easy to occur. Meanwhile, the power of the engine decreases with the increase of the blowby gas, and the oil consumption increases with the increase of the blowby gas. Therefore, to reduce and avoid these adverse effects, a crankcase ventilation system must be employed to return the engine blow-by gas to the intake and to burn it with fresh mixture into the cylinder. And the engine oil cannot be completely combusted due to engine oil particles in the blow-by gas, thereby negatively affecting emissions. Therefore, the blowby gas in the crankcase ventilation system must be subjected to oil-gas separation treatment using an oil-gas separator.

The Chinese patent with the publication number of CN208934768U discloses an oil-gas separation assembly and an improved oil-gas separator, which belong to the technical field of engine ventilation systems and solve the problems of oil-gas separation and installation efficiency.

The technical scheme has the following defects: be provided with the check valve on this oil gas separation subassembly's the oil return base plate, the structure of this check valve leads to its unable better laminating with the oil return base plate, leads to sealed effect relatively poor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an oil-liquid separator which has the advantage of good sealing effect of an oil return port.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides an oil liquid separator, includes casing and lower casing, go up the casing with the casing is connected down, go up the casing with be provided with filtering passageway down between the casing, be provided with air inlet and gas outlet down on the casing, be provided with back oil pipe down on the casing, be provided with the oil return opening on the oil pipe, be provided with the umbrella valve in the oil return opening, the umbrella valve includes umbrella valve body and umbrella valve rod, the umbrella valve rod with umbrella valve body is connected, umbrella valve rod wears to locate the oil return opening, the up end of umbrella valve body is provided with sealed bulge loop, sealed bulge loop can conflict in back oil pipe's inner wall.

Preferably, the umbrella valve body is provided with a threading hole.

Preferably, the first filtering structure, the second filtering structure and the third filtering structure are sequentially arranged in the filtering channel.

Preferably, the first filtering structure includes a plurality of first stoppers and a plurality of second stoppers, the plurality of first stoppers are disposed on the upper casing, the plurality of second stoppers are disposed on the lower casing, the first stoppers are disposed opposite to the second stoppers, and the plurality of first stoppers and the plurality of second stoppers are both close to the air inlet.

Preferably, the second filtering structure comprises a baffle and a baffle, the baffle is mounted on the lower shell, a blocking part is arranged on the baffle, an oil return groove is formed in the baffle, a guide surface is arranged in the oil return groove, the baffle is arranged on the upper shell, and the baffle is aligned with the oil return groove.

Preferably, the bottom of the oil return groove is provided with an oil leakage hole, the lower shell is provided with a first oil collecting groove, the oil leakage hole is aligned with the first oil collecting groove, and the first oil collecting groove is internally provided with an oil return hole I.

Preferably, the third filtering structure comprises a first filtering plate and a second filtering plate, a plurality of air columns are arranged on the first filtering plate, a plurality of protrusions are arranged on the second filtering plate, and the air columns are arranged opposite to the protrusions.

Preferably, a second oil collecting groove is formed in the lower shell, a gap between the first filter plate and the second filter plate is aligned with the second oil collecting groove, an oil return hole II is formed in the second oil collecting groove, and the oil return hole II is communicated with the oil return pipe.

Preferably, the upper shell is provided with an air outlet pipe, the outer end of the air outlet pipe extends out of the upper shell, the inner end of the air outlet pipe extends into the upper shell, and the air outlet is arranged at the outer end of the air outlet pipe.

Preferably, the umbrella valve rod is provided with a limiting piece.

In summary, compared with the prior art, the utility model has the following beneficial effects:

1. the upper end face of the umbrella valve main body is provided with the sealing convex ring, the umbrella valve main body is abutted against the inner wall of the oil return pipe through the sealing convex ring, the oil return port is sealed by matching the umbrella valve main body with the sealing convex ring, and the sealing convex ring can be more forcefully attached to the inner wall of the oil return pipe under the same acting force, so that the sealing effect on the oil return port is better, and the oil is prevented from flowing backwards after being discharged from the oil return port;

2. the threading hole is formed in the umbrella valve main body, the line passes through the threading hole when the umbrella valve is installed, the umbrella valve is pulled to pass through the oil return port through the line, and the operation is simple and the installation is convenient.

Drawings

FIG. 1 is a cross-sectional view of a first embodiment;

FIG. 2 is a cross-sectional view of an umbrella valve of an embodiment;

FIG. 3 is a schematic structural view of an upper housing according to an embodiment;

FIG. 4 is a schematic view of a part of the structure of the first embodiment;

FIG. 5 is a schematic view of a lower housing of the embodiment;

fig. 6 is a schematic view of a part of the structure of the second embodiment.

Reference numerals: 1. an upper housing; 2. a lower housing; 3. a filtration channel; 4. an air inlet; 5. an air outlet; 6. an oil return pipe; 7. an oil return port; 8. an umbrella valve; 81. an umbrella valve body; 82. an umbrella valve rod; 9. sealing the convex ring; 10. a threading hole; 11. a first filtering structure; 111. a first stop block; 112. a second stop block; 12. a second filter structure; 121. a partition plate; 122. a baffle; 13. a third filter structure; 131. a first filter plate; 132. a second filter plate; 14. a blocking portion; 15. an oil return groove; 16. a guide surface; 17. oil leakage holes; 18. a first oil sump; 19. an oil return hole I; 20. a gas column; 21. a protrusion; 22. a second oil sump; 23. oil return holes II; 24. a limiting piece; 25. sealing surfaces; 26. an air outlet pipe; 27. and (5) filtering cotton.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The present utility model will be described in further detail with reference to the accompanying drawings.

Embodiment one:

an oil-liquid separator as shown in fig. 1 to 5 comprises an upper shell 1 and a lower shell 2, wherein the upper shell 1 is connected with the lower shell 2, and specifically, the upper shell 1 is connected with the lower shell 2 through screws.

The lower shell 2 is provided with an air inlet 4 and an air outlet 5, a filtering channel 3 is arranged between the upper shell 1 and the lower shell 2, a first filtering structure 11, a second filtering structure 12 and a third filtering structure 13 are sequentially arranged in the filtering channel 3, and oil gas flows out from the air outlet 5 after entering from the air inlet 4 through the filtering channel 3.

Specifically, be provided with outlet duct 26 on the upper casing 1, the outer end of outlet duct 26 stretches out upper casing 1, and gas outlet 5 sets up in the outer end of outlet duct 26, and the inner of outlet duct 26 stretches into upper casing 1, and it should be noted that, in this embodiment, the inner of outlet duct 26 stretches into upper casing 8 millimeters, prevents that hanging fluid from directly jumping out and causing the pollution.

The first filtering structure 11 comprises a plurality of first baffle blocks 111 and a plurality of second baffle blocks 112, the first baffle blocks 111 are arranged in the upper shell 1, the first baffle blocks 111 are all arranged in the vertical direction, the second baffle blocks 112 are arranged in the lower shell 2, the second baffle blocks 112 are all arranged in the vertical direction, the first baffle blocks 111 and the second baffle blocks 112 are oppositely arranged, the first baffle blocks 111 and the second baffle blocks 112 are both close to the air inlet 4, when oil gas enters from the air inlet 4, the first baffle blocks and filters the oil gas for the first time by matching the first baffle blocks 111 with the second baffle blocks 112, and the flow rate of the oil gas is slowed down.

The second filtering structure 12 comprises a baffle 121 and a baffle 122, the baffle 122 is arranged on the upper shell 1, the baffle 122 is arranged along the vertical direction, the baffle 121 is arranged on the lower shell 2, the baffle 121 is provided with two blocking portions 14, preferably, the blocking portions 14 are arranged at intervals, the two blocking portions 14 are arranged along the vertical direction, and the blocking portions 14 are matched with the baffle 122 to block and filter oil gas for the second time, so that coarse filtration of the oil gas is realized.

The baffle 121 is provided with an oil return groove 15, the baffle 122 is aligned with the oil return groove 15, and after the blocking part 14 is matched with the baffle 122 to block and filter the oil and gas, the oil on the baffle 121 falls into the oil return groove 15 under the action of gravity, and the oil on the blocking part 14 flows into the oil return groove 15.

The oil return groove 15 is internally provided with guide surfaces 16, preferably, the number of the guide surfaces 16 is two, the two guide surfaces 16 are respectively close to the two blocking parts 14, the guide surfaces 16 are guide inclined planes, the guide inclined planes extend to the bottom surface of the oil return groove 15 from the side walls of the blocking parts 14, as other schemes, the guide surfaces 16 can also adopt guide cambered surfaces, under the action of the guide surfaces 16, oil on the blocking parts 14 can quickly flow into the oil return groove 15 under the action of the guide surfaces 16, oil accumulation is avoided, and the oil return speed is higher.

The lower shell 2 is provided with a first oil collecting groove 18, the bottom of the oil return groove 15 is provided with an oil leakage hole 17, the oil leakage hole 17 is aligned with the first oil collecting groove 18, the first oil collecting groove 18 is internally provided with an oil return hole I19, oil in the oil return groove 15 flows into the first oil collecting groove 18 through the oil leakage hole 17, and the oil in the first oil collecting groove 18 flows out through the oil return hole I19, so that the oil separated after coarse filtration is recovered.

The third filter structure 13 includes first filter 131 and second filter 132, and first filter 131 is installed on lower casing 2, and first filter 131 sets up along vertical direction, and second filter 132 is installed on lower casing 2, and second filter 132 sets up along vertical direction, is provided with a plurality of gas column 20 on the terminal surface that first filter 131 is close to second filter 132, is provided with a plurality of arch 21 on the terminal surface that second filter 132 is close to first filter 131, and a plurality of gas column 20 sets up with a plurality of arch 21 relatively.

The first filter plate 131 and the plurality of air columns 20 are matched with the second filter plate 132 and the plurality of protrusions 21 to block and filter oil gas for the third time, specifically, after the oil gas passes through the air columns 20, the plurality of protrusions 21 are matched to clamp impurities, and oil flows in the process of contacting with the protrusions 21, so that the separation of oil and impurities is easier to realize, the filtering efficiency is improved, and the fine filtration of the oil gas is realized.

The lower shell 2 is provided with a second oil collecting groove 22, a gap between the first filter plate 131 and the second filter plate 132 is aligned with the second oil collecting groove 22, an oil return hole II 23 is formed in the second oil collecting groove 22, the lower shell 2 is provided with an oil return pipe 6, the oil return pipe 6 is provided with an oil return port 7, the oil return hole II 23 is communicated with the oil return pipe 6, namely oil falls into the second oil collecting groove 22 from a gap between the first filter plate 131 and the second filter plate 132 under the action of gravity, and the oil in the second oil collecting groove 22 flows into the oil return pipe 6 through the oil return hole II 23 and finally flows out of the oil return port 7, so that the oil separated after fine filtration is recovered.

The separation and recovery of oil of different qualities is accomplished by the second filter structure 12 in cooperation with the first oil sump 18 and the third filter structure 13 in cooperation with the second oil sump 22.

An umbrella valve 8 is arranged in the oil return port 7, and oil is prevented from flowing back after being discharged from the oil return port 7 through the umbrella valve 8.

The umbrella valve 8 comprises an umbrella valve main body 81 and an umbrella valve rod 82, the umbrella valve rod 82 is connected with the umbrella valve main body 81, the umbrella valve main body 81 is arranged at the end part of the umbrella valve rod 82, the umbrella valve rod 82 penetrates through the oil return opening 7, the upper end face of the umbrella valve main body 81 is provided with a sealing convex ring 9, the upper end face of the umbrella valve main body 81 extends along the vertical direction to form a sealing convex 21, the sealing convex ring 9 and the umbrella valve main body 81 are integrally formed, the sealing convex ring 9 is positioned at the outermost side of the umbrella valve main body 81, the sealing convex ring 9 is abutted against the inner wall of the oil return pipe 6 in a normal sealing state, the inner wall of the oil return pipe 6 is provided with a sealing surface 25 matched with the sealing convex ring 9 and the umbrella valve main body 81 to seal the oil return opening 7, when oil passes through, the sealing convex ring 9 is matched with the sealing convex ring 9, and oil passes through a gap between the sealing convex ring 9 and the sealing surface 25 under the action of gravity.

Under the same force, the sealing convex ring 9 can be more strongly adhered to the sealing surface 25, so that the sealing effect on the oil return port 7 is better.

Be provided with the locating part 24 on the umbrella valve rod 82, preferably, the locating part 24 is spherically, and the locating part 24 sets up in the tip of umbrella valve rod 82, and the locating part 24 can't pass through from the oil return opening 7 to this guarantees the position stability of umbrella valve 8, and as other schemes, the locating part 24 also can adopt spacing arch, also can set up a plurality of spacing lug at the lateral wall of umbrella valve rod 82, and spacing lug can't pass through from the oil return opening 7.

It should be noted that, when the user installs the umbrella valve 8, the line can pass through the threading hole 10, and the line is dragged through external force, so that the line drives the umbrella valve 8, and the umbrella valve body 81 passes through the oil return port 7, so that the operation is simple, the installation is convenient, the damage of the sealing surface 25 caused by other external tools is prevented, and the effective sealing of the oil return port 7 cannot be formed.

Embodiment two:

the second embodiment differs from the first embodiment in that: as shown in fig. 6, filter cotton 27 is added between the first filter plate 131 and the second filter plate 132, and the filtering effect of oil gas is improved by matching a plurality of air columns 20, filter cotton 27 and a plurality of protrusions 21.

The foregoing is merely exemplary embodiments of the present utility model and is not intended to limit the scope of the utility model, which is defined by the appended claims.

Claims

1. The utility model provides an oil separator, includes casing (1) and lower casing (2), its characterized in that: the utility model provides a filter device for oil return of the umbrella valve, includes casing (1) and casing (2) down, go up casing (1) with be provided with filter channel (3) between casing (2) down, be provided with air inlet (4) and gas outlet (5) on casing (2) down, be provided with on casing (2) and return oil pipe (6) down, be provided with oil return opening (7) on returning oil pipe (6), be provided with umbrella valve (8) in return opening (7), umbrella valve (8) include umbrella valve body (81) and umbrella valve rod (82), umbrella valve rod (82) with umbrella valve body (81) are connected, umbrella valve rod (82) wear to locate return oil opening (7), the up end of umbrella valve body (81) is provided with sealed bulge loop (9), sealed bulge loop (9) can conflict in return oil pipe (6) inner wall, umbrella valve body (81) with sealed bulge loop (9) cooperation can be sealed oil return opening (7).

2. An oil separator according to claim 1, wherein: the umbrella valve main body (81) is provided with a threading hole (10).

3. An oil separator according to claim 1, wherein: the filter channel (3) is internally provided with a first filter structure (11), a second filter structure (12) and a third filter structure (13) in sequence.

4. An oil separator according to claim 3, wherein: the first filtering structure (11) comprises a plurality of first check blocks (111) and a plurality of second check blocks (112), the first check blocks (111) are arranged in the upper shell (1), the second check blocks (112) are arranged in the lower shell (2), the first check blocks (111) and the second check blocks (112) are oppositely arranged, and the first check blocks (111) and the second check blocks (112) are both close to the air inlet (4).

5. An oil separator according to claim 3, wherein: the second filtering structure (12) comprises a partition plate (121) and a baffle plate (122), wherein the partition plate (121) is arranged on the lower shell (2), a blocking part (14) is arranged on the partition plate (121), an oil return groove (15) is formed in the partition plate (121), a guide surface (16) is arranged in the oil return groove (15), the baffle plate (122) is arranged on the upper shell (1), and the baffle plate (122) is aligned with the oil return groove (15).

6. An oil separator according to claim 5, wherein: the bottom of oil return groove (15) has seted up oil leakage hole (17), be provided with first oil collecting groove (18) on lower casing (2), oil leakage hole (17) aim at first oil collecting groove (18), oil return hole (19) have been seted up in first oil collecting groove (18).

7. An oil separator according to claim 3, wherein: the third filtering structure (13) comprises a first filtering plate (131) and a second filtering plate (132), a plurality of air columns (20) are arranged on the first filtering plate (131), a plurality of protrusions (21) are arranged on the second filtering plate (132), and the air columns (20) are arranged opposite to the protrusions (21).

8. An oil separator according to claim 7 wherein: be provided with second oil collecting groove (22) on lower casing (2), first filter (131) with clearance between second filter (132) is aimed at second oil collecting groove (22), set up oil return hole two (23) in second oil collecting groove (22), oil return hole two (23) with return oil pipe (6) are linked together.

9. An oil separator according to claim 1, wherein: and a limiting piece (24) is arranged on the umbrella valve rod (82).

10. An oil separator according to claim 1, wherein: the novel air conditioner is characterized in that an air outlet pipe (26) is arranged on the upper shell (1), the outer end of the air outlet pipe (26) extends out of the upper shell (1), the inner end of the air outlet pipe (26) extends into the upper shell (1), and the air outlet (5) is arranged at the outer end of the air outlet pipe (26).