CN219795358U

CN219795358U - Shark cheek-like oil-gas separator prefilter

Info

Publication number: CN219795358U
Application number: CN202320762418.0U
Authority: CN
Inventors: 陈琦璐; 季姜诚; 余兀; 吕天昊; 陈华; 彭德彪
Original assignee: Shanghai New Power Automotive Technology Co ltd
Current assignee: Shanghai New Power Automotive Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-10-03
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to a shark cheek-like oil-gas separator prefilter, which relates to the field of engine parts and comprises a prefilter shell arranged vertically, a prefilter air inlet pipe arranged on one side of the prefilter shell, a prefilter air outlet pipe arranged on the other side of the prefilter shell, and a prefilter baffle arranged in the prefilter shell. Compared with the prior art, the utility model can better reduce large liquid drops in waste gas through the shark-like cheek structure, and reduce the workload of the oil-gas separator.

Description

Shark cheek-like oil-gas separator prefilter

Technical Field

The utility model relates to the field of engine parts, in particular to a shark-like cheek-like oil-gas separator prefilter.

Background

When the engine works, gas is combusted in a power stroke to generate a large amount of high-temperature and high-pressure mixed gas, and the mixed gas is strung into a crankcase from a gap between a cylinder and a piston and contains certain water vapor and sulfur dioxide. The oil is emulsified by the water vapor condensation, and the performance of the oil is lost by sulfur dioxide, so that the oil-gas separator is arranged to filter mixed gas, a common waste gas outlet is arranged on the engine body or the housing and is connected to the oil-gas separator through a pipeline, a large amount of large liquid drops of the engine oil can be carried into the oil-gas separator in the process that the waste gas is discharged out of the engine and enters the oil-gas separator, the work load of the oil-gas separator is increased, the service life of the oil-gas separator is reduced, and the use cost is increased.

The existing crankcase ventilation assembly is not provided with a prefilter, so that large liquid drops are easy to enter the oil-gas separator, and the workload of the oil-gas separator is increased.

Disclosure of Invention

The purpose of the utility model is that: the shark cheek-like oil-gas separator prefilter is used for filtering large liquid drops in waste gas, and reducing the workload of the oil-gas separator.

In order to achieve the above purpose, the technical scheme of the utility model provides a shark cheek imitation type oil-gas separator prefilter, which comprises a prefilter shell arranged vertically, a prefilter air inlet pipe arranged on one side of the prefilter shell, a prefilter air outlet pipe arranged on the other side of the prefilter shell, an oil return channel arranged at the bottom of the prefilter shell and a prefilter baffle arranged in the prefilter shell.

Preferably, the height of the pre-filtering air inlet pipe is lower than that of the pre-filtering air outlet pipe.

Preferably, the position of the prefilter air inlet pipe is close to the bottom of the prefilter shell, and the position of the prefilter air outlet pipe is higher than the top of the prefilter shell.

Preferably, the prefilter baffle is inclined upwards from the side where the prefilter air inlet pipe is located to the side where the prefilter air outlet pipe is located.

Preferably, the oil return channel is located at the bottom of the prefilter casing.

Preferably, the prefilter baffle is provided in plurality.

Preferably, a plurality of prefilter baffles are arranged in parallel to each other in a shark-like gill shape.

Preferably, the prefilter baffle is detachably connected with the prefilter housing.

Preferably, an opening is arranged at the bottom of the prefilter shell.

In summary, the utility model has the following beneficial technical effects:

the utility model provides a shark-gill-like oil-gas separator prefilter, which adopts a shark-gill-like structural design, improves the prefilter effect of large liquid drops of engine oil by using a layer-by-layer diversion structure, and greatly reduces the oil-gas flow resistance, wherein the shark-gill diversion structure adopts a detachable device, is convenient to replace and clean, improves the reutilization rate of the device, and reduces the production cost.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a shark-like cheek-like oil-gas separator prefilter of the present utility model;

FIG. 2 is a cross-sectional view of a shark-like cheek-like oil-gas separator prefilter of the present utility model;

fig. 3 is a schematic diagram of the internal structure of a prefilter housing in the shark-like cheek-like oil-gas separator prefilter device of the present utility model;

fig. 4 is a schematic diagram of the working principle of the shark-like cheek-type oil-gas separator prefilter of the present utility model.

Reference numerals: 1. prefilter separator; 2. a prefilter housing; 3. pre-filtering an air inlet pipe; 4. pre-filtering an air outlet pipe; 5. and an oil return passage.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the utility model discloses a shark-like cheek-like oil-gas separator prefilter which is arranged between an engine body waste gas outlet and an oil-gas separator air inlet pipe. The device comprises a vertical prefilter shell 2, a prefilter air inlet pipe 3 arranged on one side of the prefilter shell 2, a prefilter air outlet pipe 4 arranged on the other side of the prefilter shell 2, an oil return channel 5 arranged at the bottom of the prefilter shell 2 and a prefilter baffle plate 1 arranged inside the prefilter shell 2.

Wherein, the bottom of the prefilter shell 2 is provided with an oil return channel; the position of the prefilter air inlet pipe 3 is close to the bottom of the prefilter shell 2, and the position of the prefilter air outlet pipe 4 is close to the top of the prefilter shell 2; the prefilter baffle plate 1 is obliquely upwards oriented to the side of the prefilter air inlet pipe 3 from the side of the prefilter air inlet pipe 3 and is provided with a plurality of filter baffle plates; the prefilter baffle plates 1 are arranged in parallel and are detachably connected with the prefilter shell 2, and can be reused.

When the oil gas in the engine enters the prefilter, large liquid drops gradually rise along with the oil gas, adhere to the prefilter 1, flow back to the engine body through the oil return channel 5 under the action of gravity, are filtered by the prefilter 1 layers, the oil gas containing the large liquid drops of engine oil is filtered into the oil gas with less large liquid drops of engine oil, and the filtered oil gas enters the oil gas separator, is further filtered by the oil gas separator and is discharged out of the engine.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A shark-like cheek-type oil-gas separator prefilter is characterized in that: the device comprises a vertical prefilter shell (2), a prefilter air inlet pipe (3) arranged on one side of the prefilter shell (2), a prefilter air outlet pipe (4) arranged on the other side of the prefilter shell (2), an oil return channel (5) arranged at the bottom of the prefilter shell (2), and a prefilter baffle plate (1) arranged inside the prefilter shell (2).

2. The shark-like cheek-type oil-gas separator prefilter of claim 1, wherein: the height of the pre-filtering air inlet pipe (3) is lower than that of the pre-filtering air outlet pipe (4).

3. The shark-like cheek-type oil-gas separator prefilter of claim 2, wherein: the position of the prefilter air inlet pipe (3) is close to the bottom of the prefilter shell (2), and the position of the prefilter air outlet pipe (4) is close to the top of the prefilter shell (2).

4. The shark-like cheek-type oil-gas separator prefilter of claim 1, wherein: the prefilter baffle plate (1) obliquely faces upwards from one side where the prefilter air inlet pipe (3) is located to one side where the prefilter air outlet pipe (4) is located.

5. The shark-like cheek-type oil-gas separator prefilter of claim 4, wherein: the number of the prefilter baffle plates (1) is plural.

6. The shark-like cheek-type oil-gas separator prefilter of claim 5, wherein: the prefilter baffle plates (1) are arranged in parallel in a manner of simulating shark gill.

7. The shark-like cheek-type oil-gas separator prefilter of claim 1, wherein: the prefilter baffle (1) is detachably connected with the prefilter shell (2).

8. The shark-like cheek-type oil-gas separator prefilter of claim 1, wherein: an oil return channel (5) is arranged at the bottom of the prefilter shell (2).