Air filtering structure with long service life

Abstract

The utility model discloses an air filter structure with long service life, which comprises two air filter cartridges, an air inlet pipeline and an air outlet pipeline, both the air inlet pipeline and the air outlet pipeline are binary pipes, and the air inlet pipeline, the two air filter cartridges and the air outlet pipeline are communicated in sequence; the air filter cartridge comprises a third cavity and a third filter element, the third filter element is arranged in the third cavity, a second containing gap is formed between the third filter element and the air filter cartridge, the third filter element comprises a third air filter layer, a third exhaust port and a third bottom cover, and the third exhaust port is communicated with the air outlet pipeline. According to the technical scheme, the two air filter cartridges are arranged, so that the working intensity of the air filter cartridges during air filtering is reduced, and the two air filter cartridges can be used as backups for each other, so that the failure speed of the air filtering structure can be reduced, and the service life of the air filtering structure can be prolonged; and the third filter element is mounted in the air filter cylinder, so that the service life of the air filter structure can be prolonged.

Description

Technical Field

[0001] The utility model relates to the field of air filtration structures, and particularly relates to an air filtration structure with a long service life. Background Art

[0002] Air filtration structures are widely used in multiple fields such as automobiles, construction machinery, pneumatic machinery, and internal combustion machinery. They are mainly used to filter the air inhaled by the above-mentioned machinery, so that the air inhaled by the above-mentioned machinery meets the working and production requirements of mechanical devices such as internal combustion engines.

[0003] The existing air filtration structure generally includes a first air inlet, a filter element, and a first air outlet. The filter element includes a third air filtration layer and a third air inlet. When filtering air, the air enters the filter element through the first air inlet and the third air inlet, and then is discharged from the first air outlet after being filtered by the third air filtration layer. During this process, dust and impurities are difficult to remove and remain inside the filter element, which will cause the air filtration structure to fail quickly and have a short service life. Summary of the Utility Model

[0004] The main purpose of the utility model is to propose an air filtration structure with a long service life, aiming to solve the technical problems of the existing air filtration structure having a fast failure rate and a short service life.

[0005] To achieve the above purpose, the air filtration structure with a long service life proposed by the utility model includes two air filter cylinders, an intake pipe, and an outlet pipe. The intake pipe and the outlet pipe are both bifurcated pipes, and the intake pipe, the two air filter cylinders, and the outlet pipe are connected in sequence;

[0006] The air filter cylinder includes a third cavity and a third filter element. The third filter element is arranged in the third cavity, and there is a second accommodation gap between the third filter element and the air filter cylinder. The third filter element includes a third air filtration layer for filtering air, a third air outlet for discharging air, and a third bottom cover. The third air outlet is communicated with the outlet pipe;

[0007] The air inhaled by the intake pipe flows through the second accommodation gap, the third air filtration layer, the third air outlet, and the outlet pipe in sequence, and then is discharged from the air filter cylinder.

[0008] As a preferred embodiment of the utility model, the air filter cylinder is provided with an impurity discharge hole, and the impurity discharge hole is arranged at the bottom of the second accommodation gap.

[0009] As a preferred embodiment of the utility model, the lower port of the intake pipe faces the top surface of the third bottom cover, and the second accommodation gap is between the top surface of the third bottom cover and the lower port of the intake pipe.

[0010] As a preferred embodiment of the present utility model, the upper end of the air outlet pipe is located inside the air filter cartridge, and the upper end port of the air outlet pipe extends into the third filter element through the third air outlet.

[0011] As a preferred embodiment of the present utility model, it further includes a mounting plate, and both of the air filter cartridges are mounted on the mounting plate.

[0012] As a preferred embodiment of the present utility model, two bosses are provided on the top surface of the mounting plate, and the two air filter cartridges are respectively mounted on the two bosses.

[0013] Adopting the technical solution of the present utility model has the following beneficial effects:

[0014] 1. Setting two air filter cartridges can reduce the working intensity of the air filter cartridges when filtering air, and the two air filter cartridges can be used as backups for each other, thereby slowing down the failure speed of the air filtration structure and extending the service life of the air filtration structure;

[0015] 2. The installation method of the third filter element inside the air filter cartridge can slow down the failure speed of the third filter element and extend the service life of the third filter element, thereby extending the service life of the air filtration structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of an air filtration structure with a long service life according to an embodiment of the present utility model;

[0018] Figure 2 It is a schematic diagram of the cross-sectional structure of an air filtration structure with a long service life according to an embodiment of the present utility model;

[0019] Figure 3 It is a schematic diagram of the partial structure of an air filtration structure with a long service life according to an embodiment of the present utility model.

[0020] The realization of the purpose, functional features and advantages of the present utility model will be further described with reference to the embodiments and the drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative position relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0023] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0024] The reference numerals in the accompanying drawings of the specification include: air filter structure 4, air filter cylinder 401, impurity discharge hole 4011, third filter element 402, third exhaust port 4021, third air filtering layer 4022, third bottom cover 4023, intake pipe 5, outlet pipe 6, mounting plate 7, and boss 701.

[0025] The present utility model provides an air filtering structure with a long service life.

[0026] As Figures 1 to 3 shown, in an embodiment of the present utility model, the air filtering structure with a long service life includes two air filter cylinders 401, an intake pipe 5, an outlet pipe 6, and a mounting plate 7. Specifically, two bosses 701 are provided on the top surface of the mounting plate 7, and the two air filter cylinders 401 are respectively mounted on the two bosses 701. The intake pipe 5 and the outlet pipe 6 are both bifurcated pipes, and the intake pipe 5, the two air filter cylinders 401, and the outlet pipe 6 are connected in sequence.

[0027] In this embodiment, the above-mentioned air filter cartridge 401 specifically includes a third cavity and a third filter element 402. The third filter element 402 is disposed in the third cavity, and there is a second accommodation gap between the third filter element 402 and the air filter cartridge 401. Specifically, the third filter element 402 includes a third air filtering layer 4022 for filtering air, a third exhaust port 4021 for discharging air, and a third bottom cover 4023. The third exhaust port 4021 is communicated with the air outlet pipe 6. Further, the lower port of the intake pipe 5 faces the top surface of the third bottom cover 4023, and there is a second accommodation gap between the top surface of the third bottom cover and the lower port of the intake pipe 5. The upper end of the air outlet pipe 6 is located inside the air filter cartridge 401, and the upper end port of the air outlet pipe 6 extends into the third filter element 402 through the third exhaust port 4021. Furthermore, the above-mentioned air filter cartridge 401 is provided with an impurity discharge hole 4011, and the impurity discharge hole 4011 is disposed at the bottom of the second accommodation gap. During operation, the air inhaled by the intake pipe 5 sequentially flows through the second accommodation gap, the third air filtering layer 4022, the third exhaust port 4021, and the air outlet pipe 6, and then is discharged from the air filter cartridge 401.

[0028] The principle and usage process of the present utility model are as follows:

[0029] 1. Arranging two air filter cartridges 401 can reduce the working intensity of the air filter cartridge 401 when filtering air, and the two air filter cartridges 401 can serve as backups for each other. Therefore, the failure speed of the air filtering structure can be slowed down, and the service life of the air filtering structure can be extended. Specifically, during normal use, the air inhaled from the intake pipe 5 is filtered by the two air filter cartridges 401 respectively, and then output to the internal combustion engine or other mechanical devices through the air outlet pipe 6. At this time, the working intensity of the two air filter cartridges 401 is low (this working intensity is half of the rated working intensity of the air filtering structure). Therefore, it is beneficial to slow down its failure speed and extend its service life. When one of the air filter cartridges 401 is damaged and fails, the other air filter cartridge 401 can undertake all the filtering functions. At this time, the working intensity of this air filter cartridge 401 increases, but it can still complete the filtering function. Therefore, arranging two air filter cartridges 401 is also beneficial to improve the stability of the air filtering structure.

[0030] 2. The installation method of the third filter element 402 in the air filter cartridge 401 can slow down the failure speed of the third filter element 402 and extend the service life of the third filter element 402, thereby extending the service life of the air filtering structure. Specifically, the air inhaled by the intake pipe 5 is first input from the lower port of the intake pipe 5 to the top surface of the third bottom cover 4023. The impurities with large weight and large volume in the air will break away from the synchronous movement state with the air due to colliding with the third bottom cover 4023. Then, the impurities with large weight and large volume will be blown by the air inhaled subsequently by the intake pipe 5 to the bottom of the second accommodation gap and discharged from the impurity discharge hole 4011.

[0031] Then, air passes through the third air filter layer 4022 from the second accommodation gap and enters the third filter element 402. At this time, impurities with small weight and small volume are filtered out by the third air filter layer 4022 in the second accommodation gap and move to the bottom of the second accommodation gap along with the air subsequently inhaled by the intake pipe 5, and thus are discharged through the impurity discharge hole 4011. In this embodiment, impurities can easily be discharged from the third filter element 402 and the second accommodation gap to the outside of the air filter cartridge 401. Therefore, the failure speed of the third filter element 402 can be slowed down, the service life of the third filter element 402 can be extended, and thus the service life of the air filtering structure can be extended.

[0032] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or direct / indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An air filter structure with a long service life, characterized in that: It includes two air filter cartridges, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are both binary pipes, and the air inlet pipe, the two air filter cartridges and the air outlet pipe are connected in sequence; The air filter cartridge comprises a third cavity and a third filter element, the third filter element is arranged in the third cavity, and a second accommodating gap is provided between the third filter element and the air filter cartridge, the third filter element comprises a third air filter layer for filtering air, a third exhaust port for exhausting air, and a third bottom cover, and the third exhaust port is communicated with an air outlet pipe; The air sucked in by the air inlet pipe flows through the second accommodating gap, the third air filter layer, the third exhaust port and the air outlet pipe in sequence, and is then discharged from the air filter cartridge.

2. The air filter structure with a long service life according to claim 1, characterized in that: The air filter cartridge is provided with an impurity discharge hole, and the impurity discharge hole is arranged at the bottom of the second accommodating gap.

3. The air filter structure with a long service life according to claim 1, characterized in that: The lower end of the air intake duct faces the top surface of the third bottom cover, and a second accommodating gap is formed between the top surface of the third bottom cover and the lower end of the air intake duct.

4. The air filter structure with a long service life according to claim 1, characterized in that: The upper end of the air outlet pipe is located in the air filter cartridge, and the upper end port of the air outlet pipe extends into the third filter element through the third exhaust port.

5. The air filter structure with a long service life according to claim 1, characterized in that: It also includes a mounting plate, and the two air filter cartridges are both mounted on the mounting plate.

6. The air filter structure with a long service life according to claim 5, characterized in that: The top surface of the mounting plate is provided with two bosses, and the two air filter cartridges are respectively mounted on the two bosses.

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