CN218816693U

CN218816693U - Direct-current filter element type air filter

Info

Publication number: CN218816693U
Application number: CN202223567937.6U
Authority: CN
Inventors: 孙勇; 曹光辉; 郑召艳
Original assignee: Shandong Atk Environmental Protection Technology Co ltd
Current assignee: Shandong Atk Environmental Protection Technology Co ltd
Priority date: 2022-12-25
Filing date: 2022-12-25
Publication date: 2023-04-07
Anticipated expiration: 2032-12-25

Abstract

The utility model discloses an empty filter of direct current filter core formula, including the main casing body and the coarse filter casing of setting in main casing body one end, the other end of the main casing body is provided with the gas outlet, is provided with the coarse filter in the coarse filter casing, then is provided with main filter core and safe filter core to the gas outlet direction by the inlet end in proper order in the main casing, and the filter medium of main filter core and safe filter core is broken over into the wave type by nanometer filter paper. And the arrangement directions of the coarse filter, the main filter element and the safety filter element are consistent with the direction of the air outlet of the main shell. The coarse filter shell is inserted into the air inlet end of the main shell, and the coarse filter shell is fixedly connected with the outer side wall of the main shell through a spring clamp fixed on the outer side wall. The utility model can realize the direct current field inside, effectively reduce the original air intake resistance; the air filter with the structure can meet the arrangement requirement under special conditions, the filter element with the largest filtering area is designed in a limited space, the dust holding capacity of the filter element is improved, and the service life of the filter element is prolonged.

Description

Direct-current filter element type air filter

Technical Field

The utility model relates to an empty filter specifically is an empty filter of direct current filter core formula.

Background

The air filter is also called as an air filter and is a key component for protecting the engine, and a filter element of the air filter filters dust in air and conveys clean air to the interior of the engine to ensure the normal operation of the engine. In practical application work, the whole vehicle often works in a dusty and complex environment, the selection of the air filter element has great influence on the working efficiency and the use cost of customers, and the filter elements used in the current market are mainly divided into two types:

1. oil bath filter core: the oil bath type filter element is a wet type filter element, generally, the main body structure of the filter element is formed by winding a steel wire pull net, a layer of machine oil film is attached to the surface of the steel wire pull net in the use process of the filter element, and dust particles in air are filtered and removed by means of the adhesion function of the oil film. The flow field of the air filter with the structure is turned back and turned for many times, so that the original resistance of an air filter assembly is high, meanwhile, the filter element is easy to lose oil quality, the filtering efficiency is low, and the engine is easy to wear.

2. Cylindrical filter element: the cylinder type filter core of generally using on the existing market, cylinder type filter core are folded by filter paper and form, and this structural filter core can not effectual utilization space, and filter element filter area is less, and empty filter total flow field exists 90 turns round usually, leads to empty filter original resistance height, can not satisfy the demand of admitting air.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide an empty filter of direct current filter core formula.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides an empty filter of direct current filter core formula, includes the main casing body and sets up the coarse filter casing in main casing body one end, and the other end of the main casing body is provided with the gas outlet, is provided with the coarse filter in the coarse filter casing, then is provided with main filter core and safety filter core to the gas outlet direction by the inlet end in proper order in the main casing.

Furthermore, the coarse filter shell is inserted into the air inlet end of the main shell, and the coarse filter shell is fixedly connected with the outer side wall of the main shell through a spring clamp fixed on the outer side wall.

Further, the strainer includes its characterized in that: the coarse filter comprises an upper partition plate, a lower partition plate, a rotational flow outer pipe assembled in a lower partition plate mounting hole, a rotational flow central pipe integrated with the upper partition plate, a blade ring and a dust discharge bag with an opening at the side edge of the coarse filter shell, the air inlet end of the rotational flow outer pipe installed in the lower partition plate mounting hole is positioned in an opening at the air inlet side of the coarse filter shell, the air outlet end of the rotational flow central pipe integrated with the upper partition plate is positioned in an opening at the air outlet side of the coarse filter shell, and the air outlet ends of the rotational flow outer pipe, the blade ring and the rotational flow central pipe at the air inlet end are sequentially communicated.

Further, main filter core comprises main filter core casing and the inside filter media of main filter core casing, and main filter core casing both ends opening just inserts in main casing body air inlet one side, and main filter core, main casing body, coarse filter casing realize sealing connection through spring clamp compression PU glue with main filter core casing opening interior edge.

Furthermore, safe filter core comprises safe filter core casing skeleton, filtering material and rubber circle, and rubber is PU glue structure, and filtering material covers in the rubber circle, and the rubber circle is sealed through the compression with main casing inner wall.

Further, the filter medium is formed by folding the nano filter paper into a wave shape and then combining the wave shape and the wave shape through an adhesive.

Furthermore, in order to ensure the parallel direct current of the flow field of the air filter, the air inlet of the rotational flow outer tube rotational flow tube of the coarse filter, the main filter element, the safety filter element and the air outlet of the main shell body are consistent in direction, the resistance of the air filter assembly can be reduced, and the length of the main filter element is longer than that of the safety filter element.

Through the arrangement, the direct current field can be realized in the utility model, and the original air intake resistance is effectively reduced; the air filter with the structure can meet the arrangement requirement under special conditions, the filter element with the largest filtering area is designed in a limited space, the dust containing capacity of the filter element is improved, and the service life of the filter element is prolonged.

Drawings

The present invention will now be further described with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal three-dimensional structure of the present invention;

FIG. 3 is a schematic perspective view of the main filter element of the present invention;

fig. 4 is a schematic view of the three-dimensional structure of the safety filter element of the present invention.

Detailed Description

As shown in fig. 1-4, a direct-flow filter element type air filter comprises a main shell 1, a coarse filter shell 2, a main filter element and a safety filter element, wherein the coarse filter is integrated with a plurality of direct-flow rotational flow combinations, and the main filter element is a direct-flow filter element. In order to ensure the parallel direct current of the air filter flow field, the direction of the air inlet of the cyclone tube 5 is consistent with that of the air outlet 3 of the main shell 1, the cyclone tube 5 adopts a straight-through cyclone tube, and the direction of the air inlet and the air outlet of the straight-through cyclone tube is consistent. While the main filter element is consistent with the direction of the spiral-flow tube 5 and the gas outlet 3, and the length of the main filter element is longer than the length of the safety filter element, so the utility model discloses a resistance is used for installing the utility model discloses a fixed knot structures such as fixed orifices then can set up on the main casing body 1 lateral wall.

In order to facilitate disassembly, the coarse filter housing 2 is inserted into the air inlet end of the main housing 1, and the coarse filter housing 2 is fixedly connected with the outer side wall of the main housing 1 through a spring clamp 7 fixed on the outer side wall.

1. Specifically, the method comprises the following steps: the coarse filter comprises an upper partition plate 14, a lower partition plate 4, a rotational flow outer pipe 5 assembled in a mounting hole of the lower partition plate 4, a rotational flow central pipe 16 integrated with the upper partition plate 14, a blade ring 15 and a dust discharge bag 6 with an opening at the side edge of the coarse filter shell 2. Like the cyclone tube structure previously applied by the applicant or commonly used in the market at present, the air inlet end of the cyclone outer tube 5 installed with the installation hole of the lower partition plate 4 is positioned in the opening at the air inlet side of the coarse filter shell 2, the air outlet end of the cyclone central tube 16 integrated with the upper partition plate 14 is positioned in the opening at the air outlet side of the coarse filter shell 2, and the air outlet ends of the cyclone outer tube 5, the blade ring 15 and the cyclone central tube 16 at the air inlet end are sequentially communicated.

The main filter core comprises main filter core casing 8 and the inside filter media 9 of main filter core casing 8, and 8 both ends openings of main filter core casing are just inserted in main casing 1 air inlet one side, and main filter core, main casing 1, coarse filter casing 2 realize sealing connection through spring clamp 7 compression PU glue 10 in the opening with main filter core casing 8.

The safety filter element is composed of a safety filter element shell framework 11, a filtering material 13 and rubber 12, the rubber ring 12 is of a PU (polyurethane) glue structure, and the filtering material 13 covers the rubber ring 12.

The filter medium 13 and the filter medium 9 are both nano filter paper with the best filtering efficiency.

Inside the air gets into by whirl outer tube air inlet, after the intraductal blade ring whirl of whirl filters, discharged through dust bag by filterable dust, most dust in the whirl pipe can the deaerate, is filtered the air and directly gets into main filter core by filterable, carefully filters in main filter core is inside, filters through safe filter core again, and the back is direct flows through the gas outlet, gets into inside the engine.

The above description is only illustrative of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides an empty filter of direct current filter core formula which characterized in that: including main casing body (1) and coarse filter casing (2) of setting in main casing body (1) one end, the other end of main casing body is provided with gas outlet (3), is provided with the coarse filter in coarse filter casing (2), then is provided with main filter core and safe filter core to the gas outlet direction by the inlet end in proper order in main casing body (1), and the gas outlet (3) direction unanimous of the direction of arranging of coarse filter, main filter core and safe filter core and the main casing body.

2. A direct current filter element type air filter as claimed in claim 1, wherein: the coarse filter housing (2) is inserted into the air inlet end of the main housing (1), and the coarse filter housing (2) is fixedly connected with the outer side wall of the main housing (1) through a spring clamp (7) fixed on the outer side wall.

3. A direct current filter element type air filter as claimed in claim 1, wherein: the strainer comprises an upper partition plate (14), a lower partition plate (4), a cyclone outer tube (5) assembled in a mounting hole of the lower partition plate (4), a cyclone central tube (16) integrated with the upper partition plate (14), a blade ring (15) and a dust exhaust bag (6) with an opening at the side edge of the strainer casing (2), wherein the air inlet end of the cyclone outer tube (5) installed in the mounting hole of the lower partition plate (4) is positioned in an air inlet side opening of the strainer casing (2), the air outlet end of the cyclone central tube (16) integrated with the upper partition plate (14) is positioned in an air outlet side opening of the strainer casing (2), and the air outlet ends of the cyclone outer tube (5), the blade ring (15) and the cyclone central tube (16) are sequentially communicated.

4. A direct current filter element type air filter according to claim 1, wherein: the main filter core comprises main filter core casing (8) and inside filter media (9) of main filter core casing (8), and main filter core casing (8) both ends opening, and insert in main casing body (1) air inlet one side, and main filter core, main casing body (1), coarse filter casing (2) and main filter core casing (8) are interior along realizing sealing connection through spring clamp (7) compression PU glue (10).

5. A direct current filter element type air filter according to claim 1, wherein: the safety filter element is composed of a safety filter element shell framework (11), a filtering material (13) and a rubber ring (12), the rubber ring (12) is of a PU adhesive structure, the filtering material (13) covers the rubber ring (12), and the rubber ring (12) is sealed with the inner wall of the main shell (1) through compression.

6. The direct current filter element type air filter according to claim 4, wherein: the filter medium (9) is formed by folding the nano filter paper into a wave shape and then combining and gathering the wave shape by an adhesive.