CN107143401B - Oil-gas separator structure and engine - Google Patents
Oil-gas separator structure and engine Download PDFInfo
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- CN107143401B CN107143401B CN201710477536.6A CN201710477536A CN107143401B CN 107143401 B CN107143401 B CN 107143401B CN 201710477536 A CN201710477536 A CN 201710477536A CN 107143401 B CN107143401 B CN 107143401B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0405—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in covering members apertures, e.g. caps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to an oil-gas separator structure and an engine, and the oil-gas separator structure comprises a partition plate (1) and at least one oil-gas separation unit arranged on the partition plate (1), wherein the oil-gas separation unit comprises a through hole (2) arranged on the partition plate (1), a runner pipe (3) and a first spring piece (4), the first spring piece (4) comprises a mounting part (5) and a blocking part (6) which are connected together, the blocking part (6) is used for blocking the through hole (2) in a normal state, and the blocking part (6) is opened relative to the through hole (2) to form a first flow port (7) of oil-gas mixed fluid when being impacted by the oil-gas mixed fluid. The oil-gas separator structure is compact in structure, small in occupied space, simple in assembly and good in oil-gas separation effect, can be used as a modularization and applied to different engine models, and has wide adaptability, so that production cost is reduced.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an oil-gas separator structure and an engine.
Background
With the implementation of the national sixth emission regulation, the emission amount of the emission is further reduced and tightened, in order to further reduce the particulate matters, the quantity of engine oil and gas entering a cylinder for combustion is required to be greatly reduced, the oil and gas separation efficiency is further required to be greatly improved, and the oil drop separation efficiency improvement requirement for small particles below 5um is higher.
The oil-gas separator is generally arranged on an engine, the oil-gas separator in the prior art is generally shown in fig. 1, an oil-gas fluid channel 02 is formed on an engine shell 01, a plurality of separation structures are vertically arranged on the engine shell 01 and in the oil-gas fluid channel 02, each separation structure comprises a first blocking plate 03 and a second blocking plate 04, a plurality of holes 05 are formed in the first blocking plate 03, the first blocking plate 03 and the second blocking plate 04 are arranged at intervals, the first blocking plate 03 is located at the upstream relative to the second blocking plate 04, and after oil-gas mixed fluid passes through the holes 05, the second blocking plate 04 has a blocking effect on the oil-gas mixed fluid, so that the oil-gas separation effect is achieved.
However, the above structure still has certain disadvantages:
1. a plurality of separation structures are vertically arranged on the engine shell and in the oil-gas fluid channel, so that the design structure of the engine shell is complex, and the design difficulty is high;
2. because a larger number of separation structures are required to be established to achieve higher oil-gas separation efficiency, larger space size is occupied to arrange the separation structures, and meanwhile, a plurality of separation structures are combined in a grading manner, so that the manufacturing cost is further increased;
3. the oil-gas separation structure form of each engine, each modification and each emission upgrade is re-optimized, the oil-gas separation structure is required to be manufactured and processed again, the product and platform concepts are avoided, the wide application is difficult, and the oil-gas separation structure is difficult to form modularized use.
Disclosure of Invention
The invention aims to solve the technical problems of providing the oil-gas separator structure which has the advantages of compact structure, small occupied space, simple assembly and good oil-gas separation effect, can be applied to different engine models as modularization, has wide adaptability and further reduces the production cost.
In order to solve the technical problems, the oil-gas separator structure of the invention comprises a baffle plate and at least one oil-gas separation unit arranged on the baffle plate, wherein the oil-gas separation unit comprises
-perforations provided in the partition plate,
a flow channel pipe provided on the partition plate and communicating with the perforations,
-a first spring leaf comprising a mounting portion and a blocking portion connected together, the mounting portion being connected to the partition, the blocking portion being in abutment with an end face of the partition where the perforation is located, the blocking portion normally closing the perforation, the blocking portion opening against the perforation to form a first flow port for the oil and gas mixture fluid when the blocking portion is impacted by the oil and gas mixture fluid.
After adopting above-mentioned structure, have following advantage:
1. the oil-gas separation unit is arranged on the partition board, namely, the oil-gas separation units are integrated on the same partition board, and when the oil-gas mixing fluid channel of the engine shell is designed, only a cavity for installing the partition board is needed to be designed, and the partition board can be installed in the cavity for use, so that the structure is compact, the occupied space is small, and the assembly is simple;
2. the number of the oil-gas separation units on the partition board can be designed according to the model number of a specific engine, if the model number of the engine has high requirement on oil-gas separation, a plurality of oil-gas separation units can be designed on the partition board, and if the model number of the engine has low requirement on oil-gas separation, the number of the oil-gas separation units can be correspondingly reduced on the partition board, so that the design of technicians is facilitated;
3. the oil-gas separator structure can be applied to different engine types by designing the cavity for installing the partition plate on the shell of different engine types, that is, the oil-gas separator structure can be applied to different engine types in a modularized manner, and the oil-gas separator structure has wide adaptability, so that the production cost is reduced.
4. The plugging part is opened by the relative perforation of the plugging part under the pressure of the oil-gas mixed fluid, the oil-gas mixed fluid flows through the first flow port and collides with the inner wall of the flow channel pipe to separate oil from gas, in the process, the oil-gas mixed fluid collides with the surface of the plugging part for primary collision separation, the oil-gas mixed fluid continuously contacts with the edge of the plugging part when flowing through the first flow port for primary collision separation, and after flowing into the flow channel pipe, the oil-gas mixed fluid collides with the inner wall of the flow channel pipe for primary collision separation, so that the oil-gas mixed fluid is subjected to multiple separation, and the oil-gas separation effect is good.
5. The pressure in the oil-gas mixing fluid channel can be controlled according to actual design requirements, so that the size of a first flow port formed by the plugging part is controlled, the first flow port is relatively smaller, namely, the gap between the plugging part and the perforation is small, the flow speed of the oil-gas mixing fluid is high, oil drops with smaller radius of the oil-gas mixing fluid can be separated, the flow speed of the oil-gas mixing fluid is relatively slower, oil drops with larger radius of the oil-gas mixing fluid can be separated, and the oil-gas separation efficiency of the oil-gas mixing fluid is controlled, so that the oil-gas mixing fluid has adaptability.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the flow channel is characterized in that a spacer is arranged in the flow channel pipe, a through hole is formed in the spacer, a second spring piece is connected to the spacer, the through hole is closed by the second spring piece in a normal state, and when the second spring piece is impacted by the oil-gas mixed fluid, the second spring piece is opened relative to the through hole to form a second flow port of the oil-gas mixed fluid. Therefore, after the structure is combined, the oil-gas mixed fluid can be subjected to more times of collision separation, and a better separation effect is achieved.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the positioning column is arranged on the partition board, the clamping port is arranged on the mounting part, the mounting yielding groove is arranged on one side of the runner pipe, facing the positioning column, of the runner pipe, and the mounting part is connected with the partition board to be clamped with the clamping port and the positioning column. Thus, the whole oil-gas separator is simple in structure assembly.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: be equipped with the dog on the runner pipe inner wall, dog one end is connected with the one side that the runner pipe inner wall kept away from the installation department, the dog other end has a plurality of first separation blades that extend towards shutoff portion direction, a plurality of first separation blades are arranged side by side along the axis direction of runner pipe, a plurality of have the interval between the first separation blade, the dog is equipped with the through-hole that extends along the axis direction of runner pipe with the one end that the runner pipe is connected, interval bottom link up with the lateral wall department of through-hole, like this, can be under the circumstances that does not influence the throughput. When the stop block is not arranged, the opening and closing size of the first flow port can enable the flow rate of the oil-gas mixture fluid at the position of the first flow port to be correspondingly changed. After setting up the dog, owing to have a plurality of first separation blades that extend towards shutoff portion direction, first separation blade is located the exit position of first mouth, that is to say, whether first mouth is big or little, and interval between shutoff portion and the first separation blade keeps in relatively stable within range, under the effect of a plurality of first separation blades, avoids the velocity of flow of oil gas mixture fluid to become small because first mouth grow, makes the velocity of flow of oil gas mixture fluid keep in certain within range, guarantees the effect of oil gas separation.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: and a plurality of second baffle plates which are arranged in a crossing way are arranged on the inner wall of the runner pipe. Therefore, the plurality of second baffle plates are arranged in a crossing manner, so that the oil-gas mixed fluid can collide with the second baffle plates for a plurality of times when flowing through the runner pipe, and a plurality of times of collision separation is formed, so that the oil-gas separation effect is further improved.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the spiral baffle plate which extends spirally from one end of the runner pipe to the other end of the runner pipe is arranged on the inner wall of the runner pipe, and the spiral baffle plate forms a spiral oil gas runner in the runner pipe. Therefore, on one hand, the spiral oil-gas flow passage prolongs the oil-gas separation process of the oil-gas mixed fluid in the flow passage pipe, so that the oil-gas mixed fluid is more fully separated in the flow passage pipe, and on the other hand, after the spiral oil-gas flow passage is formed, after the oil-gas mixed fluid flows in, the oil-gas mixed fluid generates a centrifugal effect, and under the action of the centrifugal effect, the collision separation effect of the oil-gas mixed fluid and the inner wall of the flow passage pipe is better.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the side that shutoff portion deviates from the runner pipe is equipped with a plurality of drainage lug that set up side by side, forms the drainage way between the adjacent drainage lug, when the shutoff portion is opened relative perforation, the export direction of drainage way is parallel with the entry of oil gas runner. After the structure is combined with the technical scheme, the auxiliary oil-gas mixed fluid better enters the spiral oil-gas flow channel, so that the collision separation effect of the oil-gas mixed fluid and the inner wall of the flow channel pipe is better.
In addition, the invention also discloses an engine, which comprises an engine shell, wherein the oil-gas separator structure is fixed on the engine shell. After the engine with the structure is adopted, the engine structure is compact, and the oil-gas separation effect is good.
Drawings
Fig. 1 is a schematic view of a structure of a prior art oil separator.
Fig. 2 is a schematic structural view of an oil-gas separator according to the present invention.
Fig. 3 is a schematic view of another view of an oil-gas separator according to the present invention.
Fig. 4 is an exploded view of an oil-gas separator according to the present invention.
Fig. 5 is a schematic view of one embodiment of a first spring plate in an oil-gas separator structure according to the present invention.
Fig. 6 is a schematic view of another embodiment of the first spring plate in the oil-gas separator structure of the present invention.
Fig. 7 is a schematic cross-sectional view of an oil separator structure of the present invention having a separator.
Fig. 8 is a schematic cross-sectional view of the stopper of the oil-gas separator of the present invention.
FIG. 9 is a schematic cross-sectional view of the first leaf spring of the present invention in the position of a stop for the oil separator structure.
Fig. 10 is a schematic cross-sectional view of an oil-gas separator structure with a second baffle according to the present invention.
Fig. 11 is a schematic view of an oil-gas separator structure of the present invention having a spiral baffle.
FIG. 12 is a schematic illustration of an engine of the present invention.
Wherein:
1. a partition plate; 2. perforating; 3. a flow channel tube; 4. a first spring piece; 5. a mounting part; 6. a blocking part; 7. a first flow port; 8. a spacer; 9. a through hole; 10. a second spring piece; 11. a second flow port; 12. positioning columns; 13. a card interface; 14. installing a yielding groove; 15. a stop block; 16. a first baffle; 17. spacing; 18. a second baffle; 19. a spiral baffle; 20. an oil gas flow passage; 21. a drainage tab; 22. a flow guiding channel; 23. an engine housing; 24. mounting a beam; 25. a through port; 26. a cover; 27. and an oil-gas separation chamber.
Detailed Description
The inventive concepts of the present disclosure will be described below using terms commonly used by those skilled in the art to convey the substance of their work to others skilled in the art. These inventive concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of their inclusion to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. A component, step or element from one embodiment may be conceived that may be present or utilized in another embodiment. The particular embodiments shown and described may be replaced with a wide variety of alternative and/or equivalent implementations without departing from the scope of the embodiments of the present disclosure. This application is intended to cover any adaptations or variations of the embodiments discussed herein. It will be apparent to those skilled in the art that alternative embodiments may be practiced using only some of the described aspects. Specific numbers, materials, and configurations are described herein in the embodiments for purposes of illustration, however, alternative embodiments may be practiced by one skilled in the art without these specific details. In other instances, well-known features may be omitted or simplified in order not to obscure the illustrative embodiments.
Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "provided with," "mounted to," "connected to," and "connected to" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In one embodiment, as shown in fig. 2-11, an oil-gas separator structure comprises a separator 1 and at least one oil-gas separation unit arranged on the separator 1,
the oil-gas separation unit comprises
a flow duct 3 provided on the partition 1 and communicating with the perforations 2,
a first leaf spring 4, the first leaf spring 4 including a mounting portion 5 and a blocking portion 6 connected together, the mounting portion 5 being connected to the partition 1, the blocking portion 6 being attached to an end face of the through hole 2 at one end of the partition 1, the blocking portion 6 normally closing the through hole 2, the blocking portion 6 opening against the through hole 2 to form a first flow port 7 for the oil-gas mixture when the blocking portion 6 is impacted by the oil-gas mixture, the blocking portion 6 being located in the flow channel tube 3. The separator is used for separating the oil-gas fluid channel, so that the oil-gas mixed fluid can only flow from one end of the separator to the other end of the separator after passing through the oil-gas separation unit.
The number of the oil-gas separation units can be set according to specific design requirements, and can be 1, 3, 5, 10 and the like. When a plurality of oil-gas separation units are designed, the oil-gas separation units can be arranged on the partition board in a parallel mode, in the embodiment, the partition board is provided with the plurality of oil-gas separation units, and the plurality of oil-gas separation units are arranged in a harmonica shape, so that the oil-gas separation effect is guaranteed, and the structure is compact.
The aperture of the runner tube 3 is larger than the aperture of the perforation 2.
The specific structure of the first spring piece 4 may be as shown in fig. 2-4, the partition board 1 is provided with a positioning column 12, the mounting portion 5 is provided with a clamping port 13, one side of the runner pipe 3 facing the positioning column 12 is provided with a mounting yielding groove 14, and the mounting portion 5 is connected with the partition board 1, so that the clamping port 13 is clamped with the positioning column 12. Thus, the whole oil-gas separator is simple in structure assembly.
Of course, as shown in fig. 5, the first spring piece 4 may include a plurality of installation portions 5 and blocking portions 6 connected together, the number of the blocking portions 6 is also a plurality of corresponding perforations 2, the plurality of blocking portions 6 are arranged in a circular array, the installation portions 5 are connected with the partition board 1, and the installation portions 5 and the blocking portions 6 are both located in the runner pipe 3.
It is of course also possible, as shown in fig. 6, that the first spring plate 4 includes a mounting portion 5 and a blocking portion 6 connected together, the mounting portion 5 and the blocking portion 6 form a circular shape, the through hole 2 is provided with a mounting beam 24, and the middle of the first spring plate 4 is fixed on the mounting beam 24.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: be equipped with spacer 8 in runner pipe 3, be equipped with through-hole 9 on the spacer 8, be connected with second spring leaf 10 on the baffle 1, second spring leaf 10 closes through-hole 9 under the normality, second spring leaf 10 is when receiving the impact of oil gas mixture fluid, second spring leaf 10 is opened in order to form oil gas mixture fluid's second runner 11 relative through-hole 9. Therefore, after the structure is combined, the oil-gas mixed fluid can be subjected to more times of collision separation, and a better separation effect is achieved.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: be equipped with dog 15 on the runner pipe 3 inner wall, dog 15 one end is connected with the one side that runner pipe 3 inner wall kept away from installation department 5, the dog 15 other end has a plurality of first separation blade 16 that extend towards shutoff portion 6 direction, a plurality of first separation blade 16 are arranged side by side along the axis direction of runner pipe 3, a plurality of have interval 17 between the first separation blade 16, the one end that dog 15 is connected with runner pipe 3 is equipped with the through-hole 25 that extends along the axis direction of runner pipe 3, interval 17 bottom link up with through-hole 25 in the lateral wall department of through-hole 25, so, can be under the condition that does not influence the flow. When the stop block 15 is not provided, the opening and closing of the first flow port 7 can enable the flow rate of the oil-gas mixture fluid at the position of the first flow port 7 to be correspondingly changed. After the stopper 15 is arranged, the first stoppers 16 are located at the outlet position of the first flow port 7 due to the plurality of first stoppers 16 extending toward the plugging portion 6, that is, the first flow port 7 is larger or smaller, the distance between the plugging portion 6 and the first stoppers 16 is kept in a relatively stable range, and under the action of the plurality of first stoppers 16, the flow velocity of the oil-gas mixed fluid is prevented from being reduced due to the fact that the flow velocity of the first flow port 7 is increased, the flow velocity of the oil-gas mixed fluid is kept in a certain range, and the effect of oil-gas separation is ensured.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: a plurality of second baffle plates 18 which are arranged in a crossing way are arranged on the inner wall of the runner pipe 3. Therefore, the plurality of second baffle plates 18 are arranged in a crossing manner, so that the oil-gas mixed fluid can collide with the second baffle plates 18 for a plurality of times when flowing through the runner pipe 3, and a plurality of times of collision separation is formed, so that the oil-gas separation effect is further improved.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the inner wall of the runner pipe 3 is provided with a spiral baffle 19 extending spirally from one end of the runner pipe 3 to the other end of the runner pipe 3, and the spiral baffle 19 forms a spiral oil gas runner 20 in the runner pipe 3. In this way, the spiral oil-gas flow passage 20 prolongs the oil-gas separation process of the oil-gas mixed fluid in the flow passage pipe 3, so that the oil-gas mixed fluid is more fully separated in the flow passage pipe 3, and on the other hand, after the spiral oil-gas flow passage 20 is formed, the oil-gas mixed fluid generates a centrifugal effect after flowing in, and under the action of the centrifugal effect, the collision separation effect of the oil-gas mixed fluid and the inner wall of the flow passage pipe 3 is better.
On the basis of disclosing the technical scheme, the method can also have the following technical characteristics: the side of shutoff portion 6 facing away from runner pipe 3 is equipped with a plurality of drainage lug 21 that set up side by side, forms drainage channel 22 between the adjacent drainage lug 21, when shutoff portion 6 is opened relative perforation 2, the export direction of drainage channel 22 is parallel with the entry of oil gas runner 20. After the technical scheme is combined, the structure plays a role in assisting the oil-gas mixed fluid to enter the spiral oil-gas flow channel 20 better, so that the collision separation effect of the oil-gas mixed fluid and the inner wall of the flow channel pipe 3 is guaranteed to be better on the whole.
In addition, the invention also discloses an engine, as shown in fig. 12, which comprises an engine shell 23, wherein the oil-gas separator structure is fixed on the engine shell 23. Specifically, the cover 26 is disposed on the upper cover of the engine housing 23, an oil-gas separation chamber 27 is formed between the engine housing 23 and the cover 26, the oil-gas separator structure is fixed in the oil-gas separation chamber 27, the partition board 1 separates the oil-gas separation chamber 27, the oil-gas separation chamber 27 is communicated with the crankcase and the cylinder, and a specific communication mode belongs to common knowledge in the art and is not described herein. After the engine with the structure is adopted, the engine structure is compact, and the oil-gas separation effect is good.
After adopting above-mentioned structure, have following advantage:
1. the oil-gas separation device comprises a baffle plate 1 and at least one oil-gas separation unit arranged on the baffle plate 1, namely, the oil-gas separation units are integrated on the same baffle plate 1, and when an oil-gas mixing fluid channel of an engine shell is designed, only a cavity for installing the baffle plate is needed to be designed, and the baffle plate can be used after being installed in the cavity, so that the structure is compact, the occupied space is small, and the assembly is simple;
2. the number of the oil-gas separation units on the partition board 1 can be designed according to the model number of a specific engine, if the engine model number has high requirement on oil-gas separation, a plurality of oil-gas separation units can be designed on the partition board 1, if the engine model number has low requirement on oil-gas separation, the number of the oil-gas separation units can be correspondingly reduced on the partition board 1, and the design of technicians is facilitated;
3. the oil-gas separator structure can be applied to different engine types by designing the cavity for installing the partition plate on the shell of different engine types, that is, the oil-gas separator structure can be applied to different engine types in a modularized manner, and the oil-gas separator structure has wide adaptability, so that the production cost is reduced.
4. The plugging part 6 is opened relative to the perforation 2 under the pressure of the oil-gas mixed fluid, the oil-gas mixed fluid flows through the first flow port 7 and collides with the inner wall of the runner pipe 3, the oil-gas separation is carried out, in the process, the oil-gas mixed fluid collides with the surface of the plugging part 6 for primary collision separation, the oil-gas mixed fluid continuously contacts with the edge of the plugging part 6 when flowing through the first flow port 7, the primary collision separation is carried out again, after flowing into the runner pipe 3, the oil-gas mixed fluid collides with the inner wall of the runner pipe 3 for primary collision separation, and thus, the oil-gas mixed fluid is separated for multiple times, and the oil-gas separation effect is good.
5. The pressure in the oil-gas mixing fluid channel can be controlled according to actual design requirements, so that the size of the first flow port 7 formed by the plugging part 6 is controlled, the first flow port 7 is relatively smaller, namely, the gap between the plugging part 6 and the perforation 2 is small, at the moment, the flow rate of the oil-gas mixing fluid is high, oil drops with smaller radius of the oil-gas mixing fluid can be separated, when the first flow port 7 is relatively larger, namely, the gap between the plugging part 6 and the perforation 2 is large, at the moment, the flow rate of the oil-gas mixing fluid is relatively slower, oil drops with larger radius of the oil-gas mixing fluid can be separated, and therefore, the oil-gas separation efficiency of the oil-gas mixing fluid is controlled, and the oil-gas mixing fluid has adaptability.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the claims, and other corresponding modifications, which would be apparent to those skilled in the art using the technical solutions and concepts of the present invention, are intended to fall within the scope of the claims.
Claims (7)
1. The oil-gas separator structure is characterized by comprising a separator (1) and at least one oil-gas separation unit arranged on the separator (1), wherein the oil-gas separation unit comprises
Perforations (2) provided on said partition (1),
a flow channel pipe (3) which is arranged on the partition board (1) and is communicated with the perforation (2),
-a first leaf spring (4), the first leaf spring (4) comprising a mounting portion (5) and a blocking portion (6) connected together, the mounting portion (5) being connected to the partition (1), the blocking portion (6) being in abutment with an end face of the perforation (2) at one end of the partition (1), the blocking portion (6) normally closing the perforation (2), the blocking portion (6) opening against the perforation (2) to form a first flow opening (7) of the oil-gas mixture when the blocking portion (6) is impacted by the oil-gas mixture;
be equipped with dog (15) on runner pipe (3) inner wall, dog (15) one end is connected with the one side that runner pipe (3) inner wall kept away from installation department (5), dog (15) other end has a plurality of first separation blade (16) that extend towards shutoff portion (6) direction, a plurality of first separation blade (16) are arranged side by side along the axis direction of runner pipe (3), a plurality of have interval (17) between first separation blade (16), the one end that dog (15) are connected with runner pipe (3) is equipped with through-hole (25) that extend along the axis direction of runner pipe (3), interval (17) bottom link up with through-hole (25) in the lateral wall department of through-hole (25).
2. An oil-gas separator structure according to claim 1, characterized in that a spacer (8) is arranged in the runner pipe (3), a through hole (9) is arranged on the spacer (8), a second spring piece (10) is connected to the spacer (1), the second spring piece (10) seals the through hole (9) in a normal state, and when the second spring piece (10) is impacted by an oil-gas mixed fluid, the second spring piece (10) is opened relative to the through hole (9) to form a second flow port (11) of the oil-gas mixed fluid.
3. The oil-gas separator structure according to claim 1, wherein the partition plate (1) is provided with a positioning column (12), the mounting part (5) is provided with a clamping interface (13), one side of the runner pipe (3) towards the positioning column (12) is provided with a mounting yielding groove (14), and the connection of the mounting part (5) and the partition plate (1) means that the clamping interface (13) is clamped with the positioning column (12).
4. An oil-gas separator structure according to claim 1, characterized in that a plurality of second baffle plates (18) which are arranged in a crossing way are arranged on the inner wall of the runner pipe (3).
5. An oil-gas separator structure according to claim 1, characterized in that a spiral baffle (19) extending spirally from one end of the runner pipe (3) to the other end of the runner pipe (3) is arranged on the inner wall of the runner pipe (3), and the spiral baffle (19) forms a spiral oil-gas runner (20) in the runner pipe (3).
6. An oil-gas separator structure according to claim 5, characterized in that a plurality of parallel drainage lugs (21) are arranged on one side of the plugging part (6) away from the runner pipe (3), a drainage channel (22) is formed between adjacent drainage lugs (21), and when the plugging part (6) is opened relative to the perforation (2), the outlet direction of the drainage channel (22) is parallel to the inlet of the oil-gas runner (20).
7. An engine, characterized by comprising an engine housing (23), said engine housing (23) having an oil-gas separator structure as claimed in any one of claims 1-6 fixed thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477536.6A CN107143401B (en) | 2017-06-20 | 2017-06-20 | Oil-gas separator structure and engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710477536.6A CN107143401B (en) | 2017-06-20 | 2017-06-20 | Oil-gas separator structure and engine |
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| CN107143401A CN107143401A (en) | 2017-09-08 |
| CN107143401B true CN107143401B (en) | 2023-05-12 |
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| CN111636949B (en) * | 2020-06-17 | 2021-08-13 | 浙江吉利新能源商用车集团有限公司 | Closed crankcase ventilation system of heavy engine system and heavy engine system |
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