CN218913032U

CN218913032U - Power air filter

Info

Publication number: CN218913032U
Application number: CN202222931046.8U
Authority: CN
Inventors: 邵利军; 林海军; 刘国伟; 李彬; 刘波; 陈王勇; 邹代强; 曾凡超
Original assignee: Chongqing Ampride Power & Machinery Co ltd; Chongqing Senci Electric Machinery Co Ltd
Current assignee: Chongqing Ampride Power & Machinery Co ltd; Chongqing Senci Electric Machinery Co Ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-04-25
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a power air filter, which comprises a bottom shell and an upper cover, wherein the bottom shell and the upper cover are buckled to form a first cavity and a second cavity which are mutually communicated, a third cavity is formed on the bottom shell, an air inlet connected with an engine exhaust pipe is formed on the side wall of the third cavity, a baffle plate is formed in the third cavity, the bottom space of the third cavity is divided into an oil-gas mixing cavity and an exhaust cavity by the baffle plate, the air inlet is positioned on the side wall of the oil-gas mixing cavity, a channel communicated with an engine is formed at the bottom of the oil-gas mixing cavity, an air outlet is further formed on the side wall of the exhaust cavity, and the air outlet is communicated with the first cavity and the second cavity. The utility model has the beneficial effects that the third chamber is arranged, so that when the mixed waste gas passes through the oil-gas mixing chamber, the oil in the mixed waste gas is blocked by the baffle plate and flows back into the combustion chamber of the engine through the pipeline, the oil consumption is saved, the oil is prevented from accumulating on the filter element, and the filtering effect of the filter element is ensured.

Description

Power air filter

Technical Field

The utility model belongs to the technology of engines, in particular to a power air filter.

Background

An air filter is one of the necessary self-protection devices for automobile engines. In the air inlet process of the engine, dust and impurities in the air are filtered, clean, dry and sufficient air is sent into the combustion chamber, and the abrasion of each component of the engine is reduced.

The existing power air filter directly enters the air filter at the oil-gas mixture discharged by the cylinder head cover, engine oil in the mixture directly contacts with the filter element and is accumulated on the filter screen, so that the filter effect of the filter element is reduced, and the service performance of the engine is further reduced.

Disclosure of Invention

The utility model aims to provide a power air filter, which can prevent engine oil from accumulating on a filter element and ensure the filtering effect of the filter element.

In order to achieve the purpose, the utility model adopts the following technical scheme.

The utility model provides a power air filter, includes drain pan and upper cover, the drain pan with the upper cover lock forms the first cavity and the second cavity that communicate with each other, be formed with the third cavity on the drain pan, the lateral wall of third cavity is formed with the air inlet that is connected with the engine blast pipe, be formed with the baffle in the third cavity, the baffle will the bottom space of third cavity divide into oil gas mixing chamber and exhaust gas chamber, the air inlet is located oil gas mixing chamber lateral wall, oil gas mixing chamber's bottom is formed with the passageway that communicates to the engine, exhaust gas chamber's lateral wall still is formed with the gas outlet, the gas outlet with first cavity and second cavity communicate with each other.

According to the utility model, the third chamber is arranged on the bottom shell of the air filter, so that the waste gas of the engine enters the third chamber through the air inlet, the baffle is arranged in the third chamber, the bottom space of the third chamber is divided into the oil-gas mixing chamber and the waste gas chamber, when the mixed waste gas passes through the oil-gas mixing chamber, the oil in the mixed waste gas is blocked by the baffle and stays in the oil-gas mixing chamber, and flows back to the combustion chamber of the engine through the pipeline, the oil consumption is saved, the waste gas is prevented from entering the second chamber and the first chamber through the air outlet, the oil is accumulated on the filter element, and the filtering effect of the filter element is ensured.

Preferably, the bottom shell is rectangular and is divided into two parts along the length direction by the first partition board, the second chamber and the third chamber are positioned on the same side, the third chamber is positioned at one end of the second chamber, and the air outlet is positioned on the side wall common to the second chamber and the third chamber.

The third chamber and the second chamber share one side wall, and the air outlet is arranged on the side wall, so that waste gas in the third chamber can enter the second chamber from the air outlet and enter the engine through the second chamber.

Preferably, an engine mounting portion is formed at a bottom of the second chamber.

Thus, by arranging the mounting part, the purified gas can conveniently enter the engine through the second chamber.

Preferably, a baffle is formed in the second chamber, the front surface of the baffle is opposite to the air outlet, one side of the baffle is connected with the first partition plate, and the other side extends to the mounting part of the engine.

By arranging the guide plate in the second chamber, the waste gas in the third chamber directly enters the engine according to a specified path to quickly participate in combustion cycle.

Preferably, a shutter air inlet is formed at the bottom of the first chamber, and a filter element is installed in the first chamber.

Through setting up the shutter air inlet, the external air of being convenient for can get into in the first cavity to get into the back and filter dust etc. in the air through the filter core.

Preferably, a plurality of support columns are formed at the bottom of the first chamber, the filter element is installed through the support columns, the height of the support columns is equal to the distance between the air inlet of the shutter and the bottom of the filter element, and a set distance is formed between the top of the filter element and the upper cover.

The filter element is convenient to install by arranging the support column, and a channel for outside air to enter the air filter is formed between the bottom of the first cavity and the filter element by the height support of the support column.

Preferably, the filter element adopts a double filter element formed by overlapping a paper filter element and a foam filter element.

The filter element adopts the double filter element with the overlapped paper filter element and the foam filter element, so that the foam layer has stronger adsorption capacity and can adsorb wind sand, dust and the like with larger particles; the paper layer has certain mechanical strength, can be finely filtered, and filters finer dust, so that the mechanical strength and the filtering effect of the filter element are improved after the paper layer and the paper layer are overlapped.

Preferably, a second partition plate aligned with the first partition plate of the bottom shell is formed on the inner side of the upper cover, a through hole is formed at one end of the second partition plate, a support column is formed on the upper cover, and the upper cover abuts against the filter element through the support column.

The support column forms a passage for filtering air between the filter element and the top of the upper cover, and a through hole is formed on the second partition board, so that the air filtered by the first cavity enters the second cavity, and then enters the engine.

The utility model has the beneficial effects that the third chamber is arranged on the bottom shell of the air filter, so that the waste gas of the engine enters the third chamber through the air inlet, the baffle is arranged in the third chamber, the bottom space of the third chamber is divided into the oil-gas mixing chamber and the waste gas chamber, when the mixed waste gas passes through the oil-gas mixing chamber, the oil in the mixed waste gas is blocked by the baffle and stays in the oil-gas mixing chamber and flows back to the combustion chamber of the engine through the pipeline, the oil consumption is saved, the oil is prevented from entering the second chamber and the first chamber along with the waste gas through the air outlet, the oil is accumulated on the filter element, and the filtering effect of the filter element is ensured.

Drawings

Fig. 1 is a construction diagram of a bottom chassis of the present utility model;

FIG. 2 is a block diagram of the utility model after installation of the cartridge of FIG. 1;

FIG. 3 is a side view of the present utility model;

fig. 4 is a structural view of the upper cover of the present utility model.

Detailed Description

The utility model will be further described with reference to the accompanying drawings, which are not intended to limit the utility model to the embodiments described.

The specification reference numerals of the present utility model include: the air conditioner comprises a bottom shell 1, an upper cover 11, a shutter air inlet 2, a first chamber 3, a support column 31, a filter element 4, a second chamber 5, a mounting part 51, a guide plate 52, a third chamber 6, an air inlet 61, an air outlet 62 and a baffle 63.

Referring to fig. 1 and 4, a power air filter comprises a bottom shell 1 and an upper cover 11, wherein the bottom shell 1 and the upper cover 11 are buckled to form a first chamber 3 and a second chamber 5 which are communicated with each other, a third chamber 6 is formed on the bottom shell 1, an air inlet 61 connected with an engine exhaust pipe is formed on the side wall of the third chamber 6, a baffle 63 is formed in the third chamber 6, the bottom space of the third chamber 6 is divided into an oil-gas mixing chamber and an exhaust gas chamber by the baffle 63, the air inlet 61 is positioned on the side wall of the oil-gas mixing chamber, a channel communicated with an engine is formed at the bottom of the oil-gas mixing chamber, an air outlet 62 is further formed on the side wall of the exhaust gas chamber, and the air outlet 62 is communicated with the first chamber 3 and the second chamber 5.

Referring to fig. 3, the bottom case 1 is rectangular overall, and the bottom case 1 is divided into two parts along the length direction by a first partition board, the second chamber 5 and the third chamber 6 are located at the same side, the third chamber 6 is located at one end of the second chamber 5, and the air outlet 62 is located on a side wall common to the second chamber 5 and the third chamber 6.

Referring to fig. 1 and 2, a baffle plate 52 is formed in the second chamber 5, the front surface of the baffle plate 52 is opposite to the air outlet 62, one side of the baffle plate 52 is connected with the first partition plate, and the other side extends toward the mounting portion 51 of the engine.

Referring to fig. 1 and 2, the bottom of the second chamber 5 is formed with an engine mount 51.

Referring to fig. 1, a shutter air inlet 2 is formed at the bottom of the first chamber 3, and a filter element 4 is installed in the first chamber 3.

Referring to fig. 1, a plurality of support columns 31 are formed at the bottom of the first chamber 3, the filter element 4 is mounted through the support columns 31, the height of the support columns 31 is equal to the distance between the louver air inlet 2 and the bottom of the filter element 4, and a set distance is formed between the top of the filter element 4 and the upper cover 11.

Referring to fig. 2, the filter element 4 is a double filter element 4 in which a paper filter element 4 and a foam filter element 4 are overlapped.

Referring to fig. 4, a second partition plate aligned with the first partition plate of the bottom shell 1 is formed on the inner side of the upper cover 11, a through hole is formed at one end of the second partition plate, a support is formed on the upper cover 11, and the upper cover 11 abuts against the filter element 4 through the support.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a power air filter, its characterized in that includes drain pan (1) and upper cover (11), drain pan (1) with upper cover (11) lock forms first cavity (3) and second cavity (5) that each other communicate with each other, be formed with third cavity (6) on drain pan (1), the lateral wall of third cavity (6) is formed with air inlet (61) that are connected with the engine blast pipe, be formed with baffle (63) in third cavity (6), baffle (63) will the bottom space of third cavity (6) divide into oil gas mixing cavity and exhaust gas cavity, air inlet (61) are located oil gas mixing cavity lateral wall, oil gas mixing cavity's bottom is formed with the passageway that communicates to the engine, exhaust gas cavity's lateral wall still is formed with gas outlet (62), gas outlet (62) with first cavity (3) and second cavity (5) communicate with each other.

2. A powered air filter according to claim 1, characterized in that the bottom shell (1) is rectangular overall and divides the bottom shell (1) into two parts along the length direction by a first partition, the second chamber (5) and the third chamber (6) are located on the same side, the third chamber (6) is located at one end of the second chamber (5), and the air outlet (62) is located on a side wall common to the second chamber (5) and the third chamber (6).

3. A powered air filter according to claim 1, characterized in that the bottom of the second chamber (5) is formed with a mounting part (51) of the engine.

4. A powered air filter according to claim 2, characterized in that a baffle (52) is formed in the second chamber (5), the front surface of the baffle (52) is opposite to the air outlet (62), one side of the baffle (52) is connected with the first partition, and the other side extends to the mounting portion (51).

5. A powered air filter according to claim 1, characterized in that the bottom of the first chamber (3) is formed with a louvered air inlet (2), and that a filter cartridge (4) is mounted in the first chamber (3).

6. A powered air filter according to claim 5, characterized in that the bottom of the first chamber (3) is formed with several support columns (31), through which support columns (31) the filter element (4) is mounted, the height of the support columns (31) being equal to the distance between the louver air inlet (2) and the bottom of the filter element (4), the top of the filter element (4) being formed with a set distance between the top of the filter element (4) and the upper cover (11).

7. A powered air filter according to claim 6, characterized in that the filter element (4) is a double filter element (4) with a paper filter element (4) and a foam filter element (4) overlapping.

8. A powered air filter according to claim 1, characterized in that a second partition plate aligned with the first partition plate of the bottom shell (1) is formed on the inner side of the upper cover (11), a through hole is formed at one end of the second partition plate, a support column is formed on the upper cover (11), and the upper cover (11) abuts against the filter element (4) through the support column.