CN218608578U

CN218608578U - Remote multistage filtering device

Info

Publication number: CN218608578U
Application number: CN202223291029.9U
Authority: CN
Inventors: 曾理; 彭安吉
Original assignee: Chongqing Langrun Electromechanical Co ltd
Current assignee: Chongqing Langrun Electromechanical Co ltd
Priority date: 2022-12-08
Filing date: 2022-12-08
Publication date: 2023-03-14
Anticipated expiration: 2032-12-08

Abstract

The utility model relates to the field of air filter devices, and discloses a remote multistage filtering device, which comprises a first coarse filtering structure, a second coarse filtering structure and a fine filtering structure, wherein a first connecting pipe is arranged between the first coarse filtering structure and the second coarse filtering structure; a second connecting pipe is arranged between the second rough filtering structure and the fine filtering structure; a first filtering part is arranged in the first coarse filtering structure; a second filtering part is arranged in the second coarse filtering structure; the fine filtering structure is internally provided with a fine filtering part. By adopting the device, dust and the like can be effectively filtered, so that the air entering the engine is cleaner.

Description

Remote multistage filtering device

Technical Field

The utility model relates to an air cleaner device field, concretely relates to long-range multistage filter equipment.

Background

The engine is required to absorb a large amount of air in the working process, if the air is not filtered, dust and the like suspended in the air can be absorbed into the cylinder, the abrasion of the piston group and the cylinder can be accelerated, larger particles enter between the piston and the cylinder, the phenomenon of serious cylinder pulling can be caused, and the air filter can solve the problem. Conventional air cleaners generally include an air filter first housing and a filter cartridge disposed within the air filter first housing. The air filter is arranged in front of the carburetor or the air inlet pipe, and outside air enters the first shell of the air filter from the air inlet hole of the first shell of the air filter, is filtered by the filter element and then enters the carburetor or the air inlet pipe, so that the effect of filtering dust and sand grains in the air is achieved, and sufficient and clean air can enter the air cylinder. Moreover, most of the existing air filters are single-stage filters, the filtering effect is limited, namely, fine dust still enters the engine after the air is filtered, and the normal operation of the engine is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-range multistage filter equipment adopts the device can effectually filter dust etc. and make the air that enters into in the engine cleaner.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a remote multistage filtering device comprises a first coarse filtering structure, a second coarse filtering structure and a fine filtering structure, wherein a first connecting pipe is arranged between the first coarse filtering structure and the second coarse filtering structure; a second connecting pipe is arranged between the second rough filtering structure and the fine filtering structure; a first filtering part is arranged in the first coarse filtering structure; a second filtering part is arranged in the second coarse filtering structure; the fine filtering structure is internally provided with a fine filtering part.

The principle and the beneficial effect of this scheme of adoption lie in: the long-range multistage filter device of this scheme of adoption is equipped with first coarse filtration structure and second coarse filtration structure, and the air enters into the second coarse filtration structure after first coarse filtration structure carries out the prefilter in to filter in entering into the essence structure again after filtering by the second coarse filtration structure, discharge in the essence structure at last and enter into the engine.

The long-range multistage filter device of this scheme of adoption can realize filtering many times to the air, can effectually filter the dust in the air, and the filter effect is better, makes the air that enters into in the engine cleaner. And connect through first connecting pipe between first coarse filtration structure and the second coarse filtration structure, connect through the second connecting pipe between second coarse filtration structure and the fine filtration structure, can prolong the holistic length of filter equipment, be applicable to the engine of different models.

Further, the first coarse filtering structure comprises a first shell, an air inlet is arranged in one end of the first shell, an air outlet is arranged in the other end of the first shell, the air outlet is connected with one end of the first connecting pipe, a spiral guide plate is arranged on the inner wall of the first shell, a dust outlet is arranged at the lower part of the first shell, and two ends of the spiral guide plate are respectively communicated with the air inlet and the dust outlet; the first filter part comprises a first filter element, and the first filter element is positioned in the middle in the first shell. Air enters the first shell from the air inlet, is subjected to rough filtration and then enters the second rough filtration structure for further filtration. Namely, the air enters the first shell from the first air inlet, is filtered by the first filter element and then is discharged from the air outlet. In the process, large particles of dust in the air can flow along the spiral guide plate and are discharged from the dust outlet. Thereby achieving the effect of separating the large-particle dust in the air from the air and discharging the dust.

Further, the second coarse filtering structure comprises a second shell, an inlet and an outlet are respectively arranged at two ends of the second shell, and the end part of the first connecting pipe is connected with the inlet; two ends of the second connecting pipe are respectively connected with the fine filtering structure and the outlet; the second filtering part also comprises a second filter element and an air outlet pipe, one end of the air outlet pipe is closed, and the other end of the air outlet pipe is communicated with the inlet; a plurality of notches are formed in the side portion of the air outlet pipe, and are spirally distributed on the air outlet pipe; the two ends of the second filter element are respectively connected with the inner wall of the second shell, and the air outlet pipe is positioned inside the second filter element. Air exhausted from the first coarse filtering structure enters the second shell through the inlet, is exhausted from the notch on the side part of the air outlet pipe, is filtered by the second filter element and then is exhausted from the outlet to enter the fine filtering structure. Because the breach is the heliciform and distributes on the outlet duct, so the air of following the breach exhaust can be more even discharges from each position of second filter core to make the filter effect to the air better.

Furthermore, the two ends of the first connecting pipe are detachably connected with the air outlet and the inlet respectively, and the two ends of the second connecting pipe are detachably connected with the outlet and the fine filtering structure respectively, so that the first coarse filtering structure or the second coarse filtering structure or the fine filtering structure can be replaced and maintained conveniently.

Furthermore, two ends of the first connecting pipe are respectively in threaded connection with the air outlet and the inlet, and two ends of the second connecting pipe are respectively in threaded connection with the outlet and the fine filtering structure. The screw thread connection mode has simple structure and stable connection,

further, the first connecting pipe and the second connecting pipe are corrugated pipes. The corrugated pipe is arranged, so that the strength of the first connecting pipe and the second connecting pipe can be guaranteed, the angle of the first connecting pipe/the second connecting pipe can be changed as required, and the corrugated pipe is suitable for engines of different models and different shapes.

Furthermore, the fine filtration structure comprises a fine filtration shell, a fine filtration filter element is arranged in the fine filtration shell, the fine filtration filter element comprises a foam filter element and filter paper, and the filter paper is arranged on the inner wall of the foam filter element. The air discharged from the second coarse filtering structure is discharged after being filtered by the foam filter element and the filter paper, and impurities such as dust in the air can be better filtered by the foam filter element and the filter paper.

Drawings

Fig. 1 is a perspective view of an embodiment of a remote multistage filtration device of the present invention;

fig. 2 is a schematic structural diagram of a second coarse structure in an embodiment of the remote multistage filter device of the present invention;

fig. 3 is a schematic structural diagram of a first coarse structure in an embodiment of a remote multistage filtration apparatus according to the present invention;

fig. 4 is a cross-sectional view of a fine filtering structure in an embodiment of a remote multistage filtering apparatus of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the filter comprises a first coarse filtering structure 1, a second coarse filtering structure 2, a first connecting pipe 3, a second connecting pipe 4, a fine filtering structure 5, a second air outlet 6, a dust outlet 7, a second shell 8, a second filter element 9, an air outlet pipe 10, a notch 11, a connecting plate 12, an outlet 13, a fine filtering shell 14, filter paper 15, a foam filter element 16, a screw 17, a first shell 18, a first filter element 19, an air outlet 20 and a spiral guide plate 21.

The embodiment is basically as shown in the attached figures 1-4: a remote multistage filtering device comprises a first coarse filtering structure 1, a second coarse filtering structure 2 and a fine filtering structure 5, wherein a first connecting pipe 3 is arranged between the first coarse filtering structure 1 and the second coarse filtering structure 2; a second connecting pipe 4 is arranged between the second coarse filtering structure 2 and the fine filtering structure 5; a first filtering part is arranged in the first coarse filtering structure 1; a second filtering part is arranged in the second coarse filtering structure 2; a fine filtering part is arranged in the fine filtering structure 5.

The first coarse filtering structure 1 comprises a first shell 18, one end of the first shell 18 is provided with an air inlet, the other end of the first shell 18 is provided with an air outlet 20, the air outlet 20 is connected with one end of a first connecting pipe 3, the inner wall of the first shell 18 is provided with a spiral guide plate 21, the lower part of the first shell 18 is provided with a dust outlet 7, and two ends of the spiral guide plate 21 are respectively communicated with the air inlet and the dust outlet 7; the first filter portion includes a first filter element 19, and the first filter element 19 is located in the middle inside the first housing 18.

The second coarse filtering structure 2 comprises a second shell 8, an inlet and an outlet 13 are respectively arranged at two ends of the second shell 8, and the end part of the first connecting pipe 3 is connected with the inlet; two ends of the second connecting pipe 4 are respectively connected with the fine filtering structure 5 and the outlet 13; the second filter part comprises a second filter element 9 and an air outlet pipe 10. A connecting plate 12 is arranged in the second shell 8, and the connecting plate 12 is connected with the lower part of the inner wall of the second shell 8 and is connected with the lower end of the air outlet pipe 10 to seal the lower end of the air outlet pipe 10. The upper end of the air outlet pipe 10 is communicated with the inlet; the side of the outlet pipe 10 is provided with a plurality of notches 11, and the plurality of notches 11 are spirally distributed on the outlet pipe 10. The second filter element 9 is cylindrical, two ends of the second filter element 9 are respectively connected with the inner wall of the second shell 8, and the air outlet pipe 10 is positioned inside the second filter element 9. The first filter element 19 and the second filter element 9 in this embodiment can be made of foam.

The fine filter structure 5 in this embodiment includes a fine filter housing 14. The fine filtering part comprises a foam filter element 16 and filter paper 15, and the filter paper 15 is fixed in the foam filter element 16. The fine filtering part in the embodiment further comprises a screw 17 and a butterfly nut, and a filter element net is arranged between the foam filter element 16 and the filter paper 15 so as to fix the foam filter element 16 and the filter paper 15. The screw 17 passes through the foam filter element 16 of the fine filter housing 14, and the butterfly nut is in threaded connection with the screw 17 to connect the fine filter part with the fine filter housing 14.

The specific implementation mode is as follows: with the remote multistage filter device of this embodiment, air enters the first housing 18 from the air inlet, is coarse-filtered, and then enters the second coarse filtering structure for further filtering. That is, air enters the first housing 18 through the first air inlet, is filtered by the first filter element 19, and then is discharged through the air outlet 20. In the process, large particles of dust in the air flow along the spiral guide plate 21 and are discharged from the dust outlet 7. Thereby achieving the effect of separating the large-particle dust in the air from the air and discharging the dust.

Air discharged from the first coarse filtering structure 1 enters the second shell 8 through the inlet, is discharged from the notch 11 at the side part of the air outlet pipe 10, is filtered by the second filter element 9, and is discharged from the outlet 13 to enter the fine filtering structure 5. Because the notches 11 are spirally distributed along the side part of the air outlet pipe 10, the air discharged from the notches 11 can be uniformly discharged from all parts of the second filter element 9, thereby ensuring better air filtering effect. The air enters the fine filtering shell 14 through the second connecting pipe, the air entering the fine filtering shell 14 can enter from the side part of the fine filtering part, namely the fine filtering part performs third filtering on the air to filter other fine dust and impurities contained in the air, and the filtered air is discharged from the second air outlet 6 and enters the carburetor or the air inlet pipe.

And connect through first connecting pipe 3 between first coarse filtration structure 1 and the second coarse filtration structure 2, connect through second connecting pipe 4 between second coarse filtration structure 2 and the fine filtration structure 5, can prolong the holistic length of filter equipment, be applicable to the engine of different models. The first connecting pipe 3 and the second connecting pipe 4 are corrugated pipes, so that the strength of the first connecting pipe 3 and the second connecting pipe 4 can be ensured, the angle of the first connecting pipe 3/the second connecting pipe 4 can be changed as required, and the engine connecting pipe is suitable for engines of different models and different shapes.

In the present embodiment, the first connection pipe 3 and the second connection pipe 4 are both bellows. The two ends of the first connecting pipe 3 are detachably connected with the air outlet 20 and the inlet respectively, and the two ends of the second connecting pipe 4 are detachably connected with the outlet 13 and the fine filtering structure 5 respectively. Specifically, two ends of the first connecting pipe 3 are respectively in threaded connection with the air outlet 20 and the inlet, and two ends of the second connecting pipe 4 are respectively in threaded connection with the outlet 13 and the fine filtering structure 5. Therefore, the first coarse filtering structure 1, the second coarse filtering structure 2 or the fine filtering structure 5 can be replaced and maintained conveniently.

The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. A remote multistage filtration device, characterized by: the device comprises a first coarse filtering structure, a second coarse filtering structure and a fine filtering structure, wherein a first connecting pipe is arranged between the first coarse filtering structure and the second coarse filtering structure; a second connecting pipe is arranged between the second rough filtering structure and the fine filtering structure; a first filtering part is arranged in the first coarse filtering structure; a second filtering part is arranged in the second coarse filtering structure; the fine filtering structure is internally provided with a fine filtering part.

2. The remote multistage filtration device of claim 1, wherein: the first coarse filtering structure comprises a first shell, wherein an air inlet is arranged in one end of the first shell, an air outlet is arranged in the other end of the first shell, the air outlet is connected with one end of a first connecting pipe, a spiral guide plate is arranged on the inner wall of the first shell, a dust outlet is arranged at the lower part of the first shell, and two ends of the spiral guide plate are respectively communicated with the air inlet and the dust outlet; the first filter part comprises a first filter element, and the first filter element is positioned in the middle of the first shell.

3. The remote multistage filtration device of claim 2, wherein: the second coarse filtering structure comprises a second shell, an inlet and an outlet are respectively arranged at two ends of the second shell, and the end part of the first connecting pipe is connected with the inlet; two ends of the second connecting pipe are respectively connected with the fine filtering structure and the outlet; the second filtering part also comprises a second filter element and an air outlet pipe, one end of the air outlet pipe is closed, and the other end of the air outlet pipe is communicated with the inlet; the side part of the air outlet pipe is provided with a plurality of gaps which are spirally distributed on the air outlet pipe; the two ends of the second filter element are respectively connected with the inner wall of the second shell, and the air outlet pipe is positioned inside the second filter element.

4. A remote multistage filtration device as recited in claim 3, wherein: the two ends of the first connecting pipe are detachably connected with the air outlet and the inlet respectively, and the two ends of the second connecting pipe are detachably connected with the outlet and the fine filtering structure respectively.

5. The remote multistage filtration device of claim 4, wherein: two ends of the first connecting pipe are respectively in threaded connection with the air outlet and the inlet, and two ends of the second connecting pipe are respectively in threaded connection with the outlet and the fine filtering structure.

6. The remote multistage filtration device of claim 5, wherein: the first connecting pipe and the second connecting pipe are corrugated pipes.

7. The remote multistage filtration device of claim 6, wherein: the fine filtration structure comprises a fine filtration shell, a fine filtration filter element is arranged in the fine filtration shell, the fine filtration filter element comprises a foam filter element and filter paper, and the filter paper is arranged on the inner wall of the foam filter element.