CN219344847U

CN219344847U - Air filter and engine

Info

Publication number: CN219344847U
Application number: CN202223209302.9U
Authority: CN
Inventors: 赵和军; 高阳; 唐志雄
Original assignee: Shanghai MicroPowers Co Ltd
Current assignee: Shanghai MicroPowers Co Ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-07-14
Anticipated expiration: 2032-12-01

Abstract

The utility model provides an air filter and an engine, wherein the air filter comprises an air filter shell, the air filter shell comprises two symmetrically arranged air inlet cavities on the atmosphere, and the top end of each air inlet cavity is provided with an air suction port; a group of paper filters are arranged in each air inlet cavity of the atmosphere side, and a filter element inner cavity is formed in each paper filter; the converging air cavity is arranged between the two atmosphere side air cavities, and the inner side cavities of the filter element are communicated with the converging air cavities; and the air outlet is communicated with the converging air cavity. The application of the utility model further improves the filtration and shielding of impurities, prolongs the service life of the filter element, reduces the maintenance cost, and can be arbitrarily combined according to the needs by adopting standard filter element units.

Description

Air filter and engine

Technical Field

The utility model relates to the field of air filtration, in particular to an air filter and an engine.

Background

The air filter of the current gas engine generally adopts a long-barrel type single filter element structure, the diameter of the filter element is larger, and the filter element is directly arranged above the engine cylinder cover, and the filter structure is single, so that the design and customization of the filter element are required to be carried out independently according to the model. The waterproof device has no dustproof design, short service life and no external force resistance and waterproof function; very few air filters employ long cylindrical single cartridge structures and shields, but without standardized designs, require non-standardized designs and customization of the cartridge, housing, because the placement of the air inlet makes the filter very large in size, inconvenient to install and use.

Disclosure of Invention

The utility model aims to solve the problems, and provides an air filter and an engine, wherein the application of the air filter is beneficial to filtering and shielding impurities, the service life of a filter element is prolonged, the maintenance cost is reduced, and a standard filter element unit is adopted, so that the air filter and the engine can be combined arbitrarily according to requirements.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides an air filter and an engine, comprising

The air filter comprises an air filter shell, a filter cover and a filter, wherein the air filter shell comprises two symmetrically arranged air inlet cavities on the atmosphere, and the top ends of the air inlet cavities are provided with air inlets;

a group of paper filters are arranged in each air inlet cavity of the atmosphere side, and a filter element inner cavity is formed in each paper filter;

the converging air cavity is arranged between the two atmosphere side air cavities, and the inner side cavities of the filter element are communicated with the converging air cavities;

the air outlet is arranged on the side face of the air filter shell and is communicated with the converging air cavity.

In some embodiments, the air inlet chamber is a rectangular parallelepiped structure.

In some embodiments, the top end of the air inlet cavity on the atmosphere side extends out of the air filter shell, the top end extending part is a cuboid, and the air suction port is arranged on four sides of the cuboid.

In some embodiments, the converging air cavity is disposed intermediate two symmetrically disposed air cavities on the atmosphere side, the converging air cavity ends extend beyond the sides of the air filter housing, and the air outlet is disposed at the converging air cavity ends.

In some embodiments, the paper filter is cylindrical and hollow, the hollow portion forms the inner cavity of the filter element, and air passes through the air inlet chamber from the air inlet, passes through the paper filter to the inner cavity of the filter element, is collected in the collecting chamber from the inner cavity of the filter, and is finally discharged from the air outlet.

In some embodiments, the number of the paper filters is two, one is two, and the two paper filters are respectively arranged inside the two air inlet cavities of the air inlet cavities which are symmetrically arranged.

Therefore, the filtering area can be increased to a greater extent, the air inlet resistance is reduced, and the filtering speed is increased.

In some embodiments, the cartridge inboard cavity is connected vertically to the manifold cavity.

In some embodiments, door panels are arranged on two sides of the air filter shell, and a side door panel design is adopted.

By adopting the design mode, a user can quite conveniently carry out daily maintenance and cleaning on the air filter.

In some embodiments, the air outlet is circular in configuration.

The round air outlet is round, dirt is not easy to adhere to the air outlet, and compared with other shapes, the round air outlet is more material-saving, low in cost and simple to manufacture.

In addition, the utility model also provides an engine, which comprises the air filter.

Compared with the prior art, the air filter and the engine provided by the utility model have at least one of the following beneficial effects:

1. according to the air filter provided by the utility model, for the optimal design of the air suction port and the air inlet cavity of the atmosphere side, the air inflow is increased, the air intake resistance is reduced, and the filtering effect is improved;

2. the air filter provided by the utility model has the advantages that the filtering and shielding of impurities are further improved, the service life of the filter element is prolonged, and the maintenance cost is reduced;

3. according to the air filter provided by the utility model, the door plate is arranged on the outer side of the air filter shell, so that dust can be cleaned conveniently, and daily inspection and maintenance can be carried out conveniently.

4. The air filter provided by the utility model adopts the standard filter element units, can be arbitrarily combined according to the needs, and does not need to be independently developed, designed and customized according to the use equipment.

Drawings

The above features, technical features, advantages and implementation modes of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.

FIG. 1 is an assembled view of an air cleaner in accordance with an embodiment of the present utility model;

FIG. 2 is an exploded view of an air cleaner according to an embodiment of the present utility model;

FIG. 3 is a cross-sectional view of an air cleaner according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing the direction of the flow of the internal air of the air cleaner according to the embodiment of the present utility model.

Reference numerals illustrate:

the filter comprises a door plate 1, a paper filter 2, an air filter shell 3, an air inlet cavity 4, a filter element inner cavity 5, a converging air cavity 6 and an air outlet 7.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; 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 utility model will be understood in specific cases by those of ordinary skill in the art.

In one embodiment, referring to fig. 1 to 4 of the drawings, an air cleaner includes: an air filter shell 3, wherein the air filter shell 3 comprises two symmetrically arranged air inlet cavities 4 on the atmosphere, and the top ends of the air inlet cavities 4 are provided with air inlets; a paper filter 2, wherein a group of paper filters 2 are arranged in each air inlet cavity 4 at the air inlet side, and a filter element inner side cavity 5 is formed in the paper filter 2; the converging air cavity 6 is arranged between the two atmosphere side air cavities 4, and the filter element inner side cavities 5 are communicated with the converging air cavity 6; and the air outlet 7 is arranged on the side surface of the air filter shell 3 and is communicated with the converging air cavity 6.

In this embodiment, the air flows into the air inlet chamber 4 from the air suction port, then is filtered by the paper filter 2, enters the inner side chamber 5 of the filter element, is collected in the collecting air chamber 6, and finally is discharged from the air outlet 7, wherein the air inlet chamber 4 has a cuboid structure, and adopts a high-capacity structural design, so that the air uniformly passes through the surface of the paper filter 2, the air inlet resistance is reduced, and the filtering effect is improved.

In one embodiment, referring to fig. 1 and 2 of the specification, the air filter comprises technical features of the above embodiment, and further comprises that the top end of the air inlet cavity 4 of the air inlet cavity extends out of the air filter housing 3, the extending part of the top end is a cuboid, and the air inlets are uniformly arranged on four sides of the cuboid.

In other embodiments, the shape of the top end extension of the air inlet cavity 4 of the air inlet side can be a cylinder, and the air inlets are uniformly arranged on the side surface of the cylinder.

It should be noted that the arrangement of the air suction opening increases the air intake amount of the air cleaner when in operation, and the uniform and symmetrical arrangement of the air suction opening also makes the air suction amount of the air intake chamber 4 more even everywhere, and makes the filtering amount of each paper filter 2 more even. The arrangement mode of the air suction ports can also change the arrangement quantity of the air suction ports according to different use environments and different use devices.

In one embodiment, referring to fig. 1 to 4 of the drawings, the converging air chamber 6 is disposed in the middle of two symmetrically disposed air chambers 4 on the air side, the end of the converging air chamber 6 extends out of the side surface of the air filter housing 3, and the air outlet 7 is disposed at the end of the converging air chamber 6. In this embodiment, the air outlet 7 is configured in a manner that can cope with various installation manners, so that it can be used in cooperation with different engines.

In one embodiment, referring to fig. 1 to 4 of the drawings, the paper filter 2 is in a cylindrical hollow shape, the hollow part forms the inner cavity 5 of the filter element, and air passes through the air inlet cavity 4 from the air inlet, passes through the paper filter 2 to reach the inner cavity 5 of the filter element, is collected in the collecting cavity 6 from the inner cavity 5 of the filter, and is finally discharged from the air outlet 7. Filters using paper cartridges are also now more common in the market, which has the following advantages:

1. the filtering efficiency is as high as 99.5%, and the transmittance of dust is only 0.1% -0.3%;

2. the structure is compact, can be installed in any direction, and is not limited by layout;

3. the paper filter element adopts microporous filter paper treated by resin, has certain mechanical strength and good water resistance;

4. the structure is very simple, the weight is lighter, the cost is low, and the maintenance is convenient.

In another embodiment, the number of the paper filters 2 is two, and one set is two, and the two sets are respectively arranged inside the two air inlet chambers 4 on the air inlet side which are symmetrically arranged. The inner cavity 5 of the filter element is vertically connected with the converging air cavity 6. The vertical connection can utilize the space to a greater extent and make the structure more stable; the arrangement of a plurality of paper filters 2 has the advantages of being capable of increasing the filtering area to a greater extent, reducing the air inlet resistance and increasing the filtering speed; and the dust amount which can be contained is increased, so that the service life of the air filter is prolonged. The number of paper filters 2 may also be determined according to the specific use environment and use equipment.

In one embodiment, referring to fig. 2 of the drawings, the air filter housing 3 is provided with door panels 1 on two sides, and a side-opening door panel design is adopted. That is, in daily use, the air cleaner can be maintained, cleaned and the filter element replaced by opening the door panel 1 at the side edge, which is very simple. The door plate 1 is fixed on two sides of the air filter shell 3 through screw and thread matching, but in order to be more convenient to use, one side of the door plate 1 can be fixed on the air filter shell 3 through a hinge part, the opposite side is fixed through a locking part, and if the door plate needs to be opened, the door plate 1 can be opened by only opening an unlocking fastener.

In one embodiment, referring to fig. 1 to 2 of the drawings, the air outlet 7 has a circular structure. The inside of the air outlet 7 with a circular structure is more round, dirt is not easy to adhere, materials are saved compared with other shapes, the cost is low, and the manufacturing is simple.

It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. An air cleaner, comprising:

2. An air cleaner according to claim 1, wherein,

the air inlet cavity of the atmosphere side is of a cuboid structure.

3. An air cleaner according to claim 1, wherein,

the top end of the air inlet cavity of the atmosphere side extends out of the air filter shell, the extending part of the top end is a cuboid, and the air suction port is arranged on four sides of the cuboid.

4. An air cleaner according to claim 1, wherein,

the converging air cavity is arranged between the two symmetrically arranged air cavities on the air side, the tail end of the converging air cavity extends out of the side face of the air filter shell, and the air outlet is arranged at the tail end of the converging air cavity.

5. An air cleaner according to claim 1, wherein,

the paper filter is in a cylindrical hollow shape, the hollow part forms an inner cavity of the filter element, air passes through the air inlet and the air inlet cavity from the air suction port, passes through the paper filter to reach the inner cavity of the filter element, is collected in the converging air cavity from the inner cavity of the filter, and is finally discharged from the air outlet.

6. An air cleaner according to claim 5 wherein,

the number of the paper filters is two, one is two, are respectively arranged at the inner sides of the two symmetrically arranged air inlet chambers at the air inlet side.

7. An air cleaner according to claim 5 wherein,

and the inner side cavity of the filter element is vertically connected with the converging air cavity.

8. An air cleaner according to any one of claims 1-7 wherein,

door plates are arranged on two sides of the air filter shell, and a side door plate design is adopted.

9. An air cleaner according to claim 8 wherein,

the air outlet is of a circular structure.

10. An engine, which is characterized in that,

an air cleaner including any one of claims 1 to 9, an air intake pipe of the engine being connected to the air outlet.