CN218669614U - Air prefilter and vehicle - Google Patents

Abstract

The utility model relates to an air pre-filter and a vehicle. The air pre-filter comprises a pre-filter main body and an end cover. The pre-filter main body has an ash accumulating part, and the bottom end of the ash accumulating part is provided with an ash discharge port. One end of the end cover is hinged on the ash accumulating piece, and the other end of the end cover is clamped on the ash accumulating piece to close the ash discharge port. According to the air pre-filter provided in the embodiment of the present application, by hinged the end cover on the dust accumulating part, it is not easy to lose the end cap, and at the same time, the end cap can be clamped on the ash accumulating part to close the ash discharge port, which can Effectively improve the cleaning efficiency of the pre-filter body.

Description

Air pre-cleaner and vehicle

technical field

The utility model belongs to the technical field of air cleaning, in particular to an air pre-filter and a vehicle.

Background technique

The working environment of construction machinery vehicles and agricultural machinery vehicles is relatively harsh. For air filters, the environment is: high concentration of dust, large particles of impurities such as crop rods, mess, etc., in order to ensure the specified air filter maintenance cycle , has higher requirements on the filtration efficiency of the air filter. At the same time, the dust accumulation cavity of the air filter will soon be full of dust, which increases the frequency of cleaning, and also has higher requirements for the convenience of dust cleaning during the busy farming season or working environment.

At present, there are air pre-filters with a built-in swirl tube structure on the market. The air intake is through the side and enters the clean pipeline through the turn-back swirl tube. When it is necessary to clean the impurities in the ash chamber, the customer needs to unscrew the screw cap to clean it. .

However, when working in farmland, due to the harsh field environment, the screw cap needs to be removed frequently to clean up the impurities in the ash chamber. Not only is the screw cap easily lost, but the screw cap is repeatedly opened and closed, resulting in low cleaning efficiency.

Utility model content

The purpose of the utility model is to at least solve the problem that the screw cap of the existing air pre-filter is easy to lose and the cleaning efficiency is low. This purpose is achieved through the following technical solutions:

A first aspect of the utility model proposes an air pre-filter, comprising:

The main body of the pre-filter, the main body of the pre-filter has a dust accumulating part, and the bottom end of the ash accumulating part is provided with an ash discharge port;

An end cover, one end of the end cover is hinged on the ash accumulating piece, and the other end of the end cover is clamped on the ash accumulating piece, so as to close the ash discharge port.

The air pre-filter described in the utility model includes a pre-filter main body and an end cover, and the end cover is hinged on the ash accumulating part, so that the end cap is not easy to be lost, and at the same time, the end cover can be clamped on the ash accumulating part By closing the ash outlet, the cleaning efficiency of the pre-filter main body can be effectively improved.

In addition, according to the air pre-filter of the present utility model, it can also have the following additional technical features:

In some embodiments of the present utility model, the ash outlet has a first plane abutting against the end cover, and a sealing ring is provided on the first plane.

In some embodiments of the present utility model, the inner wall of the ash accumulating member has a guide surface inclined toward the ash discharge port.

In some embodiments of the present utility model, the pre-filter body includes:

a connecting pipe, which is used to communicate with the engine;

A filter element, the filter element is detachably arranged on the connecting pipe, the dust accumulating element is detachably arranged on the filter element, the filter element has an air inlet communicating with the outside, and the The first output port communicated with the connecting pipe, and the second output port communicated with the dust accumulation element, the second output port is located at the bottom of the filter element.

In some embodiments of the present utility model, the filter element is sleeved on the outer wall of the connecting pipe, the filter element has several swirl tubes arranged along the outer peripheral surface of the connecting pipe, and the several swirl tubes The flow tubes are arranged in layers along the radial direction of the filter element.

In some embodiments of the present utility model, the ash accumulating member is configured as several ash storage chambers, and the ash discharge port is arranged on the ash storage chambers.

In some embodiments of the present utility model, the ash discharge port is arranged obliquely relative to the axis of the ash storage chamber.

In some embodiments of the present utility model, the inclination angle of the ash discharge port relative to the axis of the ash storage chamber is 20°-80°.

In some embodiments of the present utility model, the ash storage chamber is an inverted triangular pyramid structure.

The second aspect of the utility model provides a vehicle, the engine has the air pre-filter described in the utility model.

The vehicle according to the embodiment of the utility model has the same technical effect as the air pre-filter of the utility model, which will not be repeated here.

Description of 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 embodiment. The drawings are only for the purpose of illustrating preferred embodiments, and are not considered to limit the present invention. Also throughout the drawings, the same reference numerals are used to denote the same parts. In the attached picture:

Fig. 1 is the structural representation of the air pre-filter described in the embodiment of the present utility model;

Fig. 2 is the front view of the air pre-filter described in the embodiment of the present invention;

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

Fig. 4 is a partial structural schematic diagram of the air pre-filter according to the embodiment of the present invention;

Fig. 5 is a partial sectional view of the air pre-filter according to the embodiment of the present utility model.

Each sign in the attached drawing represents as follows:

1. Main body of pre-filter; 2. End cover; 21. Clamping structure; 3. Connecting pipe; 4. Filter element; 41. Main body; 42. Swirl tube; 43. Filter plate; 6. Ash storage cavity; 7. Ash discharge port; 71. First plane; 72. Guide surface; 8. Sealing ring; 9. Transition cavity.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although 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 for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

It should 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 also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated features, steps, operations, elements and/or parts but do not exclude the presence or addition of one or Various other features, steps, operations, elements, components, and/or combinations 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 an order of performance is specifically indicated. 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 referred to as These terms are limited. 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 ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature as shown in the figures with respect to another element or feature, such as "inner", "outer", "inner". ", "Outside", "Below", "Below", "Above", "Above", etc. 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 "beneath" the other elements or features. feature above". Thus, the example term "below" can encompass 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.

The utility model relates to an air pre-filter. In overall design, the air pre-filter comprises a pre-filter main body and an end cover. Wherein, the main body of the pre-filter has a dust accumulating piece, and the bottom end of the ash accumulating piece is provided with an ash discharge port. One end of the end cover is hinged on the ash accumulating piece, and the other end of the end cover is clamped on the ash accumulating piece to close the ash discharge port.

In the air pre-filter described in the utility model, by hinged end caps on the ash accumulating parts, it is not easy to lose the end caps, and at the same time, the end caps can be clamped on the ash accumulating parts to close the ash discharge port, which can effectively Improves the cleaning efficiency of the pre-filter body.

Based on the above design idea, an exemplary structure of the air pre-filter involved in this embodiment is shown in Fig. 1 and Fig. 2, and at this time, the air pre-filter is a swirl tube pre-filter. Specifically, the air pre-filter includes a pre-filter body 1 and an end cover 2 . Wherein, the pre-filter main body 1 includes a dust accumulation part 5 , a connecting pipe 3 and a filter part 4 . The connecting pipe 3 is used to communicate with the engine, and the filter element 4 is detachably arranged on the connecting pipe 3, and the dust accumulating element 5 is detachably arranged on the filter element 4. Repair and replacement of the pre-filter.

In this embodiment, the filter element 4 has an air inlet connected to the outside, a first output port connected to the connecting pipe 3, and a second output port connected to the dust accumulation element 5, wherein the second output port is located at the filter When the external air enters the filter element 4 through the air inlet, the clean gas and dust will be separated, the clean gas will flow to the connecting pipe 3 through the first output port, and the dust will enter the dust accumulation part through the second output port 5.

As shown in Figure 3, the filter element 4 is sleeved on the outer wall of the connecting pipe 3, the filter element 4 has several swirl tubes 42 arranged along the outer peripheral surface of the connecting pipe 3, and several swirl tubes are stacked along the radial direction of the filter element 4 set up. By setting the filter element 4 on the outer wall of the connecting pipe 3, the utilization rate of the space can be effectively improved, and at the same time, the air pre-filter can be ensured to have a better air intake surface. The swirl tubes 42 are arranged on the outer peripheral surface of the connecting tube 3 and arranged in layers along the radial direction of the filter element 4, which can ensure the filtration efficiency under the condition of saving space.

Specifically, the main body 41 of the filter element 4 is sleeved on the outer wall of the connecting pipe 3, the outer peripheral surface of the filter element 4 is provided with an air inlet, and a filter plate 43 is arranged at the air inlet, and several swirl tubes 42 are located on the filter plate. 43 and connecting pipe 3. A first output port is provided on the top of the filter element 4 , and the first output port is connected to the connecting pipe 3 through the transition chamber 9 . The bottom end of the filter element 4 is provided with a second output port, and the second output port communicates with the inlet of the dust accumulation element 5 . Arranging the first output port and the second output port at the top and bottom of the filter element 4 respectively can further improve the filtering effect on the filter element 4 by utilizing the action of gravity, and can reduce the possibility of dust entering the transition chamber 9 .

In some embodiments of the present utility model, the ash accumulating part 5 is configured as several ash storage chambers 6 , and the ash discharge port 7 is arranged on the ash storage chambers 6 . Specifically, the cross section of the filter element 4 is preferably circular, and the cross section of the dust accumulating element 5 is also set to be circular accordingly. Divide the inner cavity of the ash accumulating part 5 into several ash storage chambers 6, and each ash storage chamber 6 is provided with an ash discharge port 7, correspondingly, each ash discharge port 7 is provided with an end cover 2, which can be separated Clean up the ash storage chamber 6 to adapt to different installation environments and reduce the limitation of installation space.

Specifically, the ash storage chamber 6 is an inverted triangular pyramid structure. In this embodiment, the ash storage chamber 6 is a structure with an open upper end and a closed lower end, so as to facilitate dust collection at the lower end, thereby facilitating ash discharge. Still as shown in FIG. 2 , this embodiment has two ash storage chambers 6 , and two ash discharge ports 7 are provided accordingly. Of course, three or four ash storage chambers can also be provided, but it is most preferred to be provided with two ash storage chambers 6, which can not only effectively reduce input costs, but also ensure the working efficiency of ash accumulation.

In some embodiments of the present utility model, the ash discharge port 7 is arranged obliquely relative to the axis of the ash storage chamber 6 . As shown in FIG. 4 , the ash discharge port 7 is arranged obliquely relative to the axis of the ash storage chamber 6 , and the lower end of the ash discharge port 7 is inclined toward the outside. After the ash discharge port 7 is set obliquely, the obstacles at the lower end of the air pre-filter can be reasonably avoided, and the opening and closing of the end cover 2 will not be restricted by obstacles, which can reduce the limitation of the installation space and ensure the discharge of the ash discharge port 7. Gray homework. At the same time, the cross-sectional area of the ash discharge port 7 can be increased to improve the ash discharge capacity. Helps avoid clogging. Preferably, the inclination angle a of the ash discharge port 7 relative to the axis of the ash storage chamber 6 is 20°-80°, and the inclination angle a of the ash discharge port 7 is preferably 30°.

As shown in FIG. 2 , FIG. 4 and FIG. 5 , one end of the end cover 2 is hinged on the ash accumulating piece 5 , and the other end of the end cover 2 is clamped on the ash accumulating piece 5 . In this embodiment, two clamping components 51 are provided on the dust accumulating member 5 , and a corresponding clamping structure 21 is provided on the end cover 2 , which helps to improve the service life of the ash accumulating member 5 . Wherein, the ash discharge port 7 has a first plane 71 abutting against the end cover 2 , and a sealing ring 8 is arranged on the first plane 71 . Specifically, an installation structure is provided at the ash discharge port 7, the installation structure has a first plane 71 abutting against the end cover 2, the sealing ring 8 is located on the installation structure, and simultaneously presses against the end cover 2 with the first plane 71, which can Effectively prevent external air from directly entering the transition chamber 9 without passing through the swirl tube 42, so as to further improve the filtration efficiency.

In some embodiments of the present utility model, the inner wall of the ash accumulating member 5 has a guide surface 72 inclined toward the ash discharge port 7 . Still as shown in FIG. 4 , the guide surface 72 is arranged on the installation structure, and the guide surface 72 has a relatively large inclined surface, so as to improve the ash discharge efficiency.

A second aspect of the present invention provides a vehicle, which has the above-mentioned air pre-filter.

The vehicle according to the embodiment of the utility model has the same technical effect as the air pre-filter of the utility model, which will not be repeated here.

The above is only a preferred embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of All changes or replacements should fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (10)

1. An air precleaner, comprising:

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.

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;

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.

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.

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