CN218669614U

CN218669614U - Air prefilter and vehicle

Info

Publication number: CN218669614U
Application number: CN202222556183.8U
Authority: CN
Inventors: 常勇强; 彭博; 崔志勇; 张安京
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-03-21
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to an air prefilter and vehicle, this air prefilter include prefilter main part and end cover, and the prefilter main part has deposition spare, and the bottom of deposition spare is provided with the ash discharge mouth. One end of the end cover is hinged on the dust deposition part, and the other end of the end cover is clamped on the dust deposition part to seal the dust discharge port. According to the air prefilter that this application embodiment provided, through articulating the end cover on the deposition spare, the difficult condition that the end cover loses that appears, and simultaneously, but the end cover joint is in order to seal the row's of ash mouth on the deposition spare, can effectively improve the clean efficiency of prefilter main part.

Description

Air prefilter and vehicle

Technical Field

The utility model belongs to the technical field of the air cleaning, concretely relates to air prefilter and vehicle.

Background

The working environment of engineering machinery vehicles and agricultural machinery vehicles is severe, and the environment of the air filter is as follows: high-concentration dust and large-particle impurities such as crop rod pieces, dirt, no seal and the like, and has higher requirements on the filtering efficiency of the air filter in order to ensure the specified maintenance period of the air filter. Meanwhile, the dust-collecting cavity can be filled with dust quickly, the cleaning frequency is increased, and the dust cleaning convenience is also higher in busy season or operation environment.

At present, the air prefilter that has built-in cyclone tube structure on the market admits air through the side, and through the clean pipeline of formula cyclone tube entering that turns back, when needs clearance deposition volume intracavity impurity, the customer need unscrew the spiral shell cap and clear up.

However, when farmland operation is carried out, the screw cap is required to be frequently detached to clean impurities in the dust accumulation cavity due to the severe field environment, so that the phenomenon that the screw cap is lost is very easy to occur, the screw cap is repeatedly opened and closed, and the cleaning efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving at least the problem that the existing air prefilter has the screw cap which is easy to lose and has lower cleaning efficiency. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides an air prefilter, include:

the dust removing device comprises a prefilter main body, a dust removing device and a dust removing device, wherein the prefilter main body is provided with a dust collecting piece, and the bottom end of the dust collecting piece is provided with a dust discharging port;

and one end of the end cover is hinged to the dust deposition part, and the other end of the end cover is clamped on the dust deposition part to seal the dust discharge port.

Air prefilter, including prefilter main part and end cover, through articulating the end cover on deposition spare, the difficult condition that the end cover was lost that appears, and simultaneously, but the end cover joint is in order to seal the ash discharge mouth on deposition spare, can effectively improve the clean efficiency of prefilter main part.

In addition, according to the utility model discloses an air prefilter still can have following additional technical characterstic:

in some embodiments of the present invention, the ash discharge port has a first plane abutting against the end cap, and the first plane is provided with a sealing ring.

In some embodiments of the present invention, the inner wall of the dust-collecting member has a guide surface facing the dust discharge port.

In some embodiments of the present invention, the prefilter body comprises:

the connecting pipe is used for being communicated with an engine;

filter the piece, it sets up to filter dismantled and assembled on the connecting pipe, deposition spare detachably sets up filter on the piece, filter the piece have with the air inlet of outside intercommunication, with the first delivery outlet of connecting pipe intercommunication and with the second delivery outlet of deposition spare intercommunication, the second delivery outlet is located filter the bottom of piece.

The utility model discloses an in some embodiments, it establishes to filter the piece cover on the outer wall of connecting pipe, filter the piece and have the edge a plurality of whirl pipes that the outer peripheral face of connecting pipe set up, just a plurality of whirl pipes are followed filter the range upon range of setting of radial direction of piece.

The utility model discloses an in some embodiments, the deposition spare is set up to a plurality of ash storage chambeies, the ash discharge opening sets up on the ash storage chamber.

In some embodiments of the present invention, the ash discharge port is disposed obliquely with respect to an axis of the ash storage chamber.

In some embodiments of the present invention, an inclination angle of the ash discharge port with respect to an axis of the ash storage chamber is 20 ° to 80 °.

In some embodiments of the present invention, the ash storage cavity is an inverted triangular pyramid structure.

A second aspect of the present invention provides a vehicle, wherein the engine comprises an air pre-filter.

According to the utility model discloses the vehicle of embodiment, with the utility model discloses an air prefilter has the same technological effect, no longer gives unnecessary details here.

Drawings

Various additional 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 invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of an air prefilter according to an embodiment of the present invention;

FIG. 2 is a front view of an air precleaner according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of an air pre-filter according to an embodiment of the present invention;

fig. 4 is a schematic partial structural view of an air prefilter according to an embodiment of the present invention;

fig. 5 is a partial sectional view of an air pre-filter according to an embodiment of the present invention.

The reference symbols in the drawings denote the following:

1. a prefilter body; 2. an end cap; 21. a clamping structure; 3. a connecting pipe; 4. a filter member; 41. a main body; 42. a swirl tube; 43. a filter plate; 5. depositing a dust part; 51. a clamping piece; 6. a dust storage cavity; 7. an ash discharge port; 71. a first plane; 72. a guide surface; 8. a seal ring; 9. a transition cavity.

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 by 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 discussed 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 … …" may include both an up and down orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The utility model relates to an air prefilter, on the global design, this air prefilter includes prefilter main part and end cover. The prefilter body is provided with an ash accumulation part, and the bottom end of the ash accumulation part is provided with an ash discharge port. One end of the end cover is hinged on the dust deposition part, and the other end of the end cover is clamped on the dust deposition part to seal the dust discharge port.

Air prefilter, through articulating the end cover on deposition spare, the difficult condition that the end cover loses that appears, and simultaneously, but the end cover joint is in order to seal the ash discharge mouth on deposition spare, can effectively improve the clean efficiency of prefilter main part.

Based on the above design concept, an exemplary structure of the air pre-filter according to the present embodiment is shown in fig. 1 and 2, and in this case, the air pre-filter is a cyclone tube type pre-filter. Specifically, the air precleaner includes a precleaner body 1 and an end cap 2. The prefilter body 1 comprises an ash deposit 5, a connecting tube 3 and a filter element 4. The connecting pipe 3 is used for being communicated with the engine, the filter piece 4 is detachably arranged on the connecting pipe 3, and the dust deposition piece 5 is detachably arranged on the filter piece 4, so that the maintenance and the replacement of the air prefilter are facilitated.

In this embodiment, filter piece 4 has the air inlet with outside intercommunication, the first delivery outlet that communicates with connecting pipe 3, and the second delivery outlet that communicates with deposition spare 5, and wherein, the second delivery outlet is located and filters the bottom of piece 4, and filter piece 4 clean gas and dust of meeting separation when the outside gas passes through the air inlet entering, clean gas can flow to connecting pipe 3 through first delivery outlet, and the dust can get into deposition spare 5 through the second delivery outlet.

As shown in FIG. 3, the filtering member 4 is disposed on the outer wall of the connecting pipe 3, the filtering member 4 has a plurality of cyclone tubes 42 disposed along the outer peripheral surface of the connecting pipe 3, and the plurality of cyclone tubes are disposed in a stacked manner along the radial direction of the filtering member 4. Through will filtering 4 covers and establish on 3 outer walls of connecting pipe, can effectively improve the utilization ratio in space, and ensure simultaneously that the air prefilter has better air inlet face. With spiral-flow tube 42 setting at the outer peripheral face of connecting pipe 3, and follow the radial direction range upon range of arrangement of filtering piece 4, can guarantee filtration efficiency under the condition of saving space.

Specifically, filter 4's main part 41 cover and establish on connecting pipe 3 outer wall, filter 4's outer peripheral face and seted up the air inlet, and be provided with filter 43 in air inlet department, a plurality of cyclone tube 42 are located between filter 43 and the connecting pipe 3. The top end of the filtering piece 4 is provided with a first output port, and the first output port is connected with the connecting pipe 3 through a transition cavity 9. The bottom end of the filtering piece 4 is provided with a second output port, and the second output port is communicated with the inlet of the dust deposition piece 5. Set up first delivery outlet and second delivery outlet respectively and filter the top and the bottom of piece 4, usable action of gravity further improves the filter effect to filtering piece 4, and can reduce the possibility that the dust got into transition chamber 9.

In some embodiments of the present invention, the dust collecting part 5 is provided with a plurality of dust storage cavities 6, and the dust discharging opening 7 is provided on the dust storage cavities 6. In particular, the cross-section of the above-mentioned filter elements 4 is preferably circular, and the cross-section of the dust-collecting member 5 is correspondingly circular. Divide into a plurality of ash storage chamber 6 with the inner chamber of deposition piece 5, and every ash storage chamber 6 all sets up row ash mouth 7, correspondingly, is provided with end cover 2 on every row ash mouth 7, can clear up ash storage chamber 6 respectively to adapt to different position installation environment, reduce installation space's restriction.

Specifically, the ash storage cavity 6 is of an inverted triangular cone structure. In this embodiment, the dust storage chamber 6 is a structure with an open upper end and a closed lower end, so that dust can be conveniently collected at the lower end, and dust can be conveniently discharged. As also shown in fig. 2, the present embodiment has two ash storage chambers 6, and two ash discharge openings 7 are provided accordingly. Of course, three or four ash storage cavities 6 can be provided, but two ash storage cavities 6 are most preferable, so that not only the investment cost can be effectively reduced, but also the working efficiency of ash deposition can be guaranteed.

In some embodiments of the present invention, the ash discharge opening 7 is arranged obliquely relative to the axis of the ash storage chamber 6. As shown in fig. 4, the ash discharge opening 7 is disposed obliquely with respect to the axis of the ash storage chamber 6, and the lower end of the ash discharge opening 7 is inclined outward. After the ash discharge port 7 is obliquely arranged, the obstacles at the lower end of the air prefilter can be reasonably avoided, the opening and closing of the end cover 2 cannot be limited by the obstacles, the limitation of installation space can be reduced, and the ash discharge operation of the ash discharge port 7 is guaranteed. Meanwhile, the sectional area of the ash discharge opening 7 can be enlarged, and the ash discharge capacity is improved. Helping to avoid a jamming condition. Preferably, the angle of inclination a of the ash discharge opening 7 with respect to the axis of the ash storage chamber 6 is between 20 ° and 80 °, and the angle of inclination a of the ash discharge opening 7 is preferably 30 °.

As shown in fig. 2, 4 and 5, one end of the end cover 2 is hinged on the dust-collecting part 5, and the other end of the end cover 2 is clamped on the dust-collecting part 5. In this embodiment, two clamping members 51 are arranged on the dust-collecting member 5, and the end cover 2 is provided with corresponding clamping structures 21, which is helpful for prolonging the service life of the dust-collecting member 5. The ash discharge port 7 has a first plane 71 abutting against the end cap 2, and the first plane 71 is provided with a seal ring 8. Specifically, be provided with mounting structure in ash discharge opening 7 department, mounting structure has the first plane 71 with end cover 2 butt, and sealing washer 8 is located mounting structure, supports with first plane 71 simultaneously and presses end cover 2, can prevent effectively that the outside gas from directly getting into transition chamber 9 not through cyclone tube 42 to further improve filtration efficiency.

In some embodiments of the invention, the inner wall of the dust-collecting part 5 has a guide surface 72 which is inclined toward the dust discharge opening 7. As also shown in fig. 4, a guide surface 72 is provided on the mounting structure, and the guide surface 72 has a large inclined surface to enable an improvement in ash discharge efficiency.

A second aspect of the present invention provides a vehicle, said vehicle having a pre-filter as described above.

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 should be covered by 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 precleaner, comprising:

2. The air precleaner of claim 1, wherein the ash removal opening has a first planar surface abutting the end cap, the first planar surface having a sealing ring disposed thereon.

3. The air precleaner of claim 2, wherein an inner wall of the ash collection member has a guide surface disposed obliquely toward the ash discharge opening.

4. The air precleaner of claim 1, wherein the precleaner body comprises:

the connecting pipe is used for being communicated with an engine;

5. The air prefilter of claim 4 wherein said filter member is mounted on an outer wall of said connecting tube, said filter member having a plurality of swirl tubes disposed along an outer peripheral surface of said connecting tube, said plurality of swirl tubes being stacked in a radial direction of said filter member.

6. The air precleaner of claim 4, wherein the ash collection member is provided as a plurality of ash storage chambers, and wherein the ash discharge opening is provided in the ash storage chambers.

7. The air prefilter of claim 6 wherein said ash discharge opening is disposed obliquely to an axis of said ash storage chamber.

8. The air prefilter of claim 7 wherein said ash discharge openings are inclined at an angle of 20 ° to 80 ° relative to the axis of said ash storage chamber.

9. The air precleaner of claim 6, wherein the ash storage chamber is an inverted triangular pyramid.

10. A vehicle, characterized by an air precleaner according to any of claims 1 to 9.