CN215761962U - Valve chamber cover cap integrated with oil-gas separation structure - Google Patents
Valve chamber cover cap integrated with oil-gas separation structure Download PDFInfo
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- CN215761962U CN215761962U CN202121600205.5U CN202121600205U CN215761962U CN 215761962 U CN215761962 U CN 215761962U CN 202121600205 U CN202121600205 U CN 202121600205U CN 215761962 U CN215761962 U CN 215761962U
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- gas separation
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- valve chamber
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Abstract
The utility model relates to a valve chamber cover cap integrated with an oil-gas separation structure, belonging to the field of engines and comprising two paths of oil-gas separator cavities arranged at the top of the valve chamber cover cap; an oil-gas separation plate is arranged in the oil-gas separation cavity and comprises a shark fin type oil-gas separation plate and a pore plate type oil-gas separation plate; according to the utility model, the shark fin type oil-gas separation plate and the pore plate type oil-gas separation plate are added in the oil-gas separation loop, and the oil return holes are added at the corresponding positions of the shark fin type oil-gas separation plate and the pore plate type oil-gas separation plate, so that the separated engine oil can be guided into the valve chamber.
Description
Technical Field
The utility model belongs to the field of engines, and particularly relates to a valve chamber cover cap integrated with an oil-gas separation structure.
Background
With the development of engine technology, environmental regulations have higher and higher requirements on the emission of an engine, a crankcase ventilation system has important influence on the emission, and oil-gas separation is particularly important in the development process of the engine as a key link of the crankcase ventilation system. Most engines at present adopt a labyrinth oil-gas separation structure to be integrated into a valve chamber cover, and the oil-gas separation structure has the function of pre-separating oil and gas only and needs to be added to ensure that the separation efficiency reaches the level required by the engine. Since it adds an oil separator to increase the cost of the engine. And the oil separator needs to be maintained after being used for a certain period of time, which increases the maintenance cost of the user.
Disclosure of Invention
In order to overcome the problems in the prior art, the utility model provides a valve chamber cover cap integrated with an oil-gas separation structure, which is characterized in that a shark fin type oil-gas separation plate and a pore plate type oil-gas separation plate are added in an oil-gas separation loop, oil return holes are added at corresponding positions of the shark fin type oil-gas separation plate and the pore plate type oil-gas separation plate, and separated engine oil can be guided into a valve chamber.
In order to realize the purpose, the utility model is realized by the following technical scheme:
the valve chamber cover of the integrated oil-gas separation structure comprises two oil-gas separator cavities arranged at the top of the valve chamber cover; and an oil-gas separation plate is arranged in the oil-gas separation cavity.
Preferably, the oil-gas separation plate comprises a shark fin type oil-gas separation plate; the fin-type oil-gas separation plate comprises a curve plate and fin plates arranged on two sides of the curve plate in a staggered mode, and oil return holes communicated with the valve chamber are formed in the lower portion of the fin-type oil-gas separation plate.
Preferably, the oil-gas separation plate comprises a pore plate type oil-gas separation plate; the pore plate type oil-gas separation plate comprises a filter pore plate provided with filter pores and an impact filter plate arranged side by side with the filter pore plate, two baffles are arranged on the impact filter plate, and a filter channel is formed between the two baffles; the baffle is opposite to the filter hole.
Preferably, the lower side of the top of the valve chamber cover is respectively provided with an oil gas inlet A and an oil gas inlet B, and one path of oil-gas separator cavity is communicated to the outlet A from the oil gas inlet A and the oil gas inlet B.
Preferably, the middle part of the top of the valve chamber cover is provided with an oil-gas inlet C, and the other path of oil-gas separator cavity is communicated to the outlet B from the oil-gas inlet C.
The utility model has the beneficial effects that:
according to the utility model, the shark fin type baffle and the through hole type baffle are added in the oil-gas loop, so that the oil-gas separation efficiency can be effectively improved, a secondary oil-gas separation structure is not required to be added, and the cost of the engine is reduced. The oil-gas separation structure does not need to be maintained in the later period, and the maintenance cost is reduced.
Drawings
FIG. 1 is an external structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of a shark fin type oil-gas separation plate of the present invention;
FIG. 4 is a schematic diagram of the structure of the orifice plate type oil-gas separation plate of the present invention;
in the figure, 1-valve chamber cover, 2-oil return hole, 3-oil gas inlet A, 5-oil gas inlet B, 7-shark fin type oil gas separation plate, 7-1-curve plate, 7-2-fin plate, 8-pore plate type oil gas separation plate, 8-1-filter hole, 8-2-filter pore plate, 8-3-baffle, 8-4-impact filter plate, 8-5-filter channel, 9-outlet B and 10-outlet A.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-4, the valve chamber cover of the integrated oil-gas separation structure includes a two-way oil-gas separator chamber disposed on the top of the valve chamber cover 1. And a shark fin type oil-gas separation plate 7 and a pore plate type oil-gas separation plate 8 are respectively arranged in the two oil-gas separation cavities and are used for separating oil from gas in a channel of the oil-gas separation cavity. And an oil return hole 2 communicated with the valve chamber is formed below the shark fin type oil-gas separation plate 7 and the pore plate type oil-gas separation plate 8 and used for returning the filtered and collected engine oil to the valve chamber.
An oil gas inlet A3 and an oil gas inlet B5 are respectively formed in the lower side of the top of the valve chamber cover 1, and one path of the oil gas separator cavity is communicated to an outlet A10 from the oil gas inlet A3 and the oil gas inlet B5.
The middle part of the top of the valve chamber cover cap 1 is provided with an oil-gas inlet C4, and the other path of the oil-gas separator cavity is communicated to an outlet B9 from an oil-gas inlet C4.
The shark fin type oil-gas separation plate 7 comprises a curve plate 7-1 and fin plates 7-2 arranged on two sides of the curve plate in a staggered mode, the shark fin type oil-gas separation plate 7 is arranged in parallel with an oil-gas channel, when oil gas passes through the oil-gas channel, the oil gas passes through a diversion curve of the curve plate 7-1, oil drops or oil mist is collected after being blocked by the curve plate 7-1 and the fin plates 7-2, and the oil drops or the oil mist flows to a valve chamber through an oil return hole 2.
The pore plate type oil-gas separation plate 8 comprises a pore plate 8-2 provided with filter pores 8-1 and an impact filter plate 8-4 arranged side by side with the pore plate 8-2, wherein two baffles 8-3 are arranged on the impact filter plate 8-4, and a filter channel 8-5 is formed between the two baffles 8-3; the baffle plate 8-3 is opposite to the filter hole 8-1. The pore plate type oil-gas separation plate 8 is vertically arranged in the oil-gas channel, oil gas passes through the filter hole 8-1 and directly flows through the baffle plate 8-3 opposite to the filter hole, oil drops are collected by the baffle plate 8-3, the collected oil drops flow to the valve chamber through the oil return hole 2, and the gas phase continues to move forward along the oil-gas separator cavity through the filter channel 8-5.
Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the utility model, and that, although the utility model has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the utility model as defined by the appended claims.
Claims (4)
1. The utility model provides an integrated oil-gas separation structure's valve chamber shroud which characterized in that: comprises two paths of oil-gas separator cavities arranged at the top of a valve chamber cover (1); an oil-gas separation plate is arranged in the oil-gas separation cavity; the oil-gas separation plate comprises a fin-shaped oil-gas separation plate (7); the fin-type oil-gas separation plate (7) comprises a curve plate (7-1) and fin plates (7-2) arranged on two sides of the curve plate in a staggered mode, and an oil return hole (2) communicated with a valve chamber is formed in the lower portion of the fin-type oil-gas separation plate (7).
2. The valve chamber cover of an integrated oil-gas separation structure according to claim 1, wherein: the oil-gas separation plate comprises a pore plate type oil-gas separation plate (8); the pore plate type oil-gas separation plate (8) comprises a pore plate (8-2) provided with filter pores (8-1) and an impact filter plate (8-4) arranged side by side with the pore plate (8-2), two baffles (8-3) are arranged on the impact filter plate (8-4), and a filter channel (8-5) is formed between the two baffles (8-3); the baffle plate (8-3) is opposite to the filter hole (8-1).
3. The valve chamber cover of an integrated oil-gas separation structure according to claim 1 or 2, wherein: the lower side of the top of the valve chamber cover (1) is respectively provided with an oil gas inlet A (3) and an oil gas inlet B (5), and one path of oil-gas separator cavity is communicated to an outlet A (10) from the oil gas inlet A (3) and the oil gas inlet B (5).
4. The valve chamber cover of an integrated oil-gas separation structure according to claim 1 or 2, wherein: the middle part of the top of the valve chamber cover (1) is provided with an oil-gas inlet C (4), and the other path of oil-gas separator cavity is communicated to an outlet B (9) from the oil-gas inlet C (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121600205.5U CN215761962U (en) | 2021-07-14 | 2021-07-14 | Valve chamber cover cap integrated with oil-gas separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121600205.5U CN215761962U (en) | 2021-07-14 | 2021-07-14 | Valve chamber cover cap integrated with oil-gas separation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215761962U true CN215761962U (en) | 2022-02-08 |
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ID=80105363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121600205.5U Active CN215761962U (en) | 2021-07-14 | 2021-07-14 | Valve chamber cover cap integrated with oil-gas separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215761962U (en) |
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2021
- 2021-07-14 CN CN202121600205.5U patent/CN215761962U/en active Active
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