CN215927609U

CN215927609U - Air filter and engine

Info

Publication number: CN215927609U
Application number: CN202121171541.2U
Authority: CN
Inventors: 胡伟; 蒋文鑫; 霍雷; 李治国
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-03-01
Anticipated expiration: 2031-05-28

Abstract

The utility model relates to an air filter and an engine, which comprise a shell, wherein a first cavity and a second cavity which are mutually communicated are formed in the shell, the shell also comprises an air inlet and an air outlet, the air inlet is correspondingly arranged and communicated with the first cavity, and the air outlet is correspondingly arranged and communicated with the second cavity; the first filter element is arranged in the first cavity; the second filter element is arranged in the second cavity; and the air injection port is communicated with the first cavity and is opposite to the first filter element. The utility model has the effects of solving the problems of frequent replacement or cleaning of the filter element and increasing the workload.

Description

Air filter and engine

Technical Field

The utility model relates to the technical field of air filters, in particular to an air filter and an engine with the same.

Background

This section provides background information related to the present disclosure only and is not necessarily prior art.

The dust content in the air of a mining area, particularly a coal mine, is nearly ten times higher than the working condition of a common commercial vehicle road, so that the empty filter element works in an overload mode, a user needs to replace or clean the filter element every day, and the working load is increased. In addition, in a mining area, a mode of connecting two filter elements in an air filter by using a rubber pipe or a welding pipeline is generally adopted, and the sealing performance of the connection part is gradually deteriorated due to long-term operation in the mining area with extremely high vibration intensity.

The main blowback type maintenance-free air filter in the existing market adopts a one-level filtering scheme, has no safety guarantee, has high requirements on filter element materials, can ensure the reliability only by using original factory filter elements, and can not ensure the storage of market spare parts for the working conditions of a mining area. And frequent use high pressure air gun clears up the filter core, leads to the filter core life-span to reduce by a wide margin, and the user needs to change new filter core every half a month or even shorter time, additionally causes the increase of operation cost again.

SUMMERY OF THE UTILITY MODEL

The utility model aims to at least solve the problems of frequent replacement or cleaning of the filter element and workload increase. The purpose is realized by the following technical scheme:

a first aspect of the present invention provides an air cleaner including

The air inlet is correspondingly arranged and communicated with the first cavity, and the air outlet is correspondingly arranged and communicated with the second cavity;

the first filter element is arranged in the first cavity;

the second filter element is arranged in the second cavity;

and the air injection port is communicated with the first cavity and is opposite to the first filter element.

According to the air filter disclosed by the utility model, when the air filter is actually used, air firstly enters the first cavity through the air inlet, and most of dust in the air is filtered through primary filtering of the first filter element; then the cleaner air reaches the second cavity, the air filtered by the first filter element is filtered by the second filter element, the air becomes cleaner, and the cleaner air is sent into the engine from the air outlet and acts; when the engine is shut down, control gas enters into the pre-filtering chamber through the air jet, and the air sprayed in through the air jet blows off dust on the first filter element arranged opposite to the air jet to clean the filter element, so that the problems of frequent replacement or cleaning of the filter element and workload increase are solved.

In addition, the air filter according to the present invention may have the following additional technical features:

in some embodiments of the present invention, the housing includes a first housing portion and a second housing portion, the first housing portion is provided with the first cavity, the second housing portion is provided with the second cavity, and the first housing portion and the second housing portion are an integrated structure or a detachable structure.

In some embodiments of the utility model, the air inlet is provided on a circumferential side wall of the first cavity.

In some embodiments of the utility model, an end of the second cavity is provided with the air outlet.

In some embodiments of the utility model, the air cleaner further comprises an air ejector pipe, one end of the air ejector pipe is inserted into the cylindrical structure formed by the first filter element, and one end of the air ejector pipe arranged in the cylindrical structure is provided with an air ejector.

In some embodiments of the utility model, the radial dimension of the gas injection ports increases progressively in the direction of gas flow injection.

In some embodiments of the present invention, a protective cover is further disposed on the housing, and the protective cover is disposed outside the air inlet.

In some embodiments of the present invention, the housing is further provided with a dust exhaust port, and the dust exhaust port is disposed on a circumferential side wall of the first cavity and is communicated with the first cavity.

In some embodiments of the utility model, the air cleaner further comprises a pulse solenoid valve through which the air jet communicates with the gas supply device.

Another aspect of the present invention provides an engine having the air cleaner described above.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

FIG. 1 is a schematic view of the overall construction of an air cleaner of the present application;

fig. 2 is a schematic sectional view of an air cleaner according to the present application.

Reference numerals:

1. a housing; 10. a first housing portion; 100. a first cavity; 101. a first filter element; 11. a second housing portion; 110. a second cavity; 111. a second filter element; 12. an air inlet; 13. an air outlet; 14. an air jet; 2. a gas ejector tube; 3. a protective cover; 4. a dust exhaust port; 5. a pulse electromagnetic valve; 6. a dust exhaust bag.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 2, according to an embodiment of the present invention, an air cleaner is provided, which includes a housing 1, a first filter element 101, a second filter element 111, and an air vent 14, wherein a first cavity 100 and a second cavity 110 that are communicated with each other through an air passage are formed in the housing 1, the housing 1 further includes an air inlet 12 and an air outlet 13, the air inlet 12 is disposed and communicated with the first cavity 100, and the air outlet 13 is disposed and communicated with the second cavity 110. The first filter element 101 is disposed in the first chamber 100 for filtering air entering the first chamber 100, and the second filter element 111 is disposed in the second chamber 110 for filtering air entering the second chamber 110. The air vent 14 is communicated with the first cavity 100 and is disposed opposite to the first filter element 101.

Specifically, when the filter is installed, the first filter element 101 is installed in the first cavity 100, and the second filter element 111 is installed in the second cavity 110. In practical use, air firstly enters the first cavity 100 through the air inlet 12, and most dust in the air is blocked by primary filtration of the first filter element 101; then the air containing a small amount of dust passes through the air passage and then reaches the second cavity 110, the air after primary filtration by the first filter element 101 passes through secondary filtration by the second filter element 111, the air becomes cleaner, and the clean air is sent into the engine from the air outlet 13 and acts.

When the engine is stopped, the gas supply device is controlled to spray gas into the first cavity 100 through the gas spraying port 14, and the gas sprayed through the gas spraying port 14 blows off dust on the first filter element 101 arranged opposite to the gas spraying port, so that the cleaning of the filter element is completed. Thereby the problem of frequently changing or clearing up the filter core, increase work burden has been solved.

Further, the structure and material of the first filter element 101 and the second filter element 111 are completely the same. Two identical filter cores can solve the problem of difficulty in storing market spare parts in remote areas in a mining area, have low requirements on filter core materials, can better adapt to the current situation that false filter cores are commonly used in the mining area, and reduce the maintenance cost of users.

In some embodiments of the present invention, as shown in fig. 1, the housing 1 includes a first housing part 10 and a second housing part 11, the first housing part 10 is provided with a first cavity 100, the second housing part 11 is provided with a second cavity 110, and the first housing part 10 and the second housing part 11 are an integrated structure or a detachable structure.

Specifically, in this embodiment, as an organic whole injection moulding structure between first casing portion 10 and the second casing portion 11, the setting of casing 1 is moulded plastics to the integral type, and the leakproofness is good, can avoid sealed casing 1 to seal the problem that the inefficacy leads to the filtration system to become invalid.

In some embodiments of the present invention, as shown in fig. 1 to 2, the first cavity 100 is provided with an air inlet 12 on a circumferential sidewall thereof.

Further, two air inlets 12 are provided, and the two air inlets 12 are spaced apart from each other on an axial side wall of the first cavity 100 in the axial direction of the first cavity 100.

Specifically, two air inlets 12 are provided, air can enter the first cavity 100 through the two air inlets 12 at the same time, and compared with the air inlet on one side of the conventional air filter, the air inlet is uniformly and convexly provided by the two air inlets 12, the air inlet amount is large, and the resistance is reduced, so that the rough filtering efficiency of the first filter element 101 is improved.

In some embodiments of the present invention, as shown in fig. 1 to 2, the end of the second cavity 110 is provided with the air outlet 13.

Specifically, the air outlet 13 is disposed at an end of the second chamber 110 to communicate with the second chamber 110, and is disposed opposite to the second filter element 111. When the air entering the second chamber 110 is filtered by the second filter element 111, the air can be directly discharged through the air outlet 13.

In some embodiments of the present invention, as shown in fig. 2, the air cleaner further includes an air nozzle 2, one end of the air nozzle 2 is inserted into the cylindrical structure formed by the first filter element 101, and an air outlet 14 is provided at one end of the air nozzle 2 disposed in the cylindrical structure.

Further, the radial size of the air ejection port 14 gradually increases in the air flow ejection direction.

Specifically, the gas ejector 2 is horizontally inserted into the first cavity 100, and the radial size of the gas ejection opening 14 gradually increases along the gas flow ejection direction to form a trumpet shape, so that the gas ejection surface through which the gas ejector passes is larger, and dust is cleaned more thoroughly. When the engine is shut down, the gas supply device is controlled to spray gas into the first cavity 100 through the gas spraying pipe 2, the gas sprayed through the gas spraying pipe 2 blows off dust on the first filter element 101 oppositely arranged with the gas spraying pipe, and the filter element is cleaned at the moment, so that the problems of filter element cleaning and workload increase are solved.

In some embodiments of the present invention, as shown in fig. 1, the housing 1 is further provided with a shield 3, and the shield 3 is covered outside the air inlet 12.

Specifically, the protection casing 3 is installed directly over the air inlet 12, and the protection casing 3 is used for avoiding the rainwater to get into first cavity 100 through air inlet 12 in, for further protection to first cavity 100, sets up the roof of the housing of protection casing 3 into the curved arc shape, and both sides wall sets up to fan-shaped, and the uncovered of housing sets up downwards. The protective cover 3 having such a structure can cover the upper portion and both sides of the air inlet 12 of the first chamber 100, thereby well protecting the first chamber 100.

In some embodiments of the present invention, as shown in fig. 1 to 2, the housing 1 is further provided with a dust exhaust port 4, and the dust exhaust port 4 is disposed on a circumferential side wall of the first chamber 100 and is communicated with the first chamber 100.

Specifically, the bottom of the peripheral surface of the first cavity 100 is provided with a dust exhaust port 4, when the gas sprayed from the gas spraying port 14 blows off the dust on the first filter element 101, the blown dust is discharged from the dust exhaust port 4, so that relative cleanness inside the first cavity 100 is ensured, and the dust inside the cavity is cleaned.

Furthermore, a dust exhaust bag 6 can be detachably connected to the dust exhaust port 4.

Specifically, the dust discharged from the dust discharge port 4 automatically falls into the dust discharge bag 6, and when a certain amount of dust is collected in the dust discharge bag 6, the dust discharge bag 6 is removed and replaced. The dust discharge bag 6 can collect dust discharged from the dust discharge port 4, ensure that the dust cannot be scattered to other devices, and improve the cleanliness of the working environment to a certain extent.

In some embodiments of the utility model, as shown in fig. 2, the air cleaner further comprises a pulse solenoid valve 5, and the air ejection port 14 is communicated with the gas supply device through the pulse solenoid valve 5.

Specifically, in this embodiment, pulse solenoid valve 5's access & exit and the gas pitcher of whole car are connected, and pulse solenoid valve 5's delivery outlet is connected with jet port 14, and when the engine shut down, control the gas in the gas pitcher and spout into first cavity 100 through jet port 14 through pulse solenoid valve 5 to blow off the dust on the first filter core 101, accomplish the automatic clearance of filter core. The setting of pulse solenoid valve 5 is that the filter core clearance is more automatic, improves work efficiency.

Another aspect of the present invention provides an engine having an air cleaner as in any of the embodiments described above, and therefore, the description thereof is omitted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An air cleaner characterized by: comprises that

the first filter element is arranged in the first cavity;

the second filter element is arranged in the second cavity;

2. The air cleaner of claim 1, wherein the housing includes a first housing portion and a second housing portion, the first housing portion defining the first cavity, the second housing portion defining the second cavity, the first housing portion and the second housing portion being one of unitary and removable.

3. The air cleaner of claim 1, wherein the air inlet is provided on a circumferential side wall of the first cavity.

4. The air cleaner of claim 1, wherein an end of the second cavity is provided with the air outlet.

5. The air cleaner of claim 1, further comprising an air ejector, wherein one end of the air ejector is inserted into a cylindrical structure formed by the first filter element, and an air nozzle is arranged at one end of the air ejector arranged in the cylindrical structure.

6. The air cleaner of claim 5, wherein the radial dimension of the air ejection port increases progressively in the direction of air flow ejection.

7. The air cleaner of claim 1, wherein the housing further includes a shield positioned thereon, the shield positioned outside of the air inlet.

8. The air cleaner of claim 1, wherein the housing further includes a dust exhaust port, and the dust exhaust port is disposed on a circumferential side wall of the first cavity and is in communication with the first cavity.

9. The air cleaner of claim 1, further comprising a pulse solenoid valve through which the air jet communicates with a gas supply.

10. An engine characterized by having an air cleaner according to any one of claims 1 to 9.