Air filter with spiral filtering structure

Abstract

The utility model relates to the technical field of air filters, and discloses an air filter with a spiral filtering structure, which comprises a filter shell, a filtering layer is arranged in a cavity of the filter shell, a cover body is arranged at the upper part of the filtering layer, and filtering cotton is arranged in the cover body. The bottom of the inner cavity of the filter shell is provided with an air extracting pump, the air supply end of the air extracting pump is provided with an air inlet pipe, the air outlet end of the air extracting pump is connected with the bottom of the filter layer, and the upper part of the filter shell is provided with an air outlet hole. According to the air filtering device, air in the spiral groove is guided, the air filtered by the spiral groove is conveyed through the through groove, the filtered air is automatically conveyed into the filtering cotton, and when the air circulates in the spiral groove, the air filtering length can be effectively increased, so that the air is better filtered.

Description

Technical Field

[0001] The utility model belongs to the technical field of air filters, in particular to an air filter with a spiral filtering structure. Background Art

[0002] Air filter is a device that captures dust from gas-solid two-phase flow and purifies the gas through the action of porous filter materials. It sends the low-dust air into the room after purification to ensure the process requirements of the clean room and the air cleanliness in the general air-conditioned room.

[0003] Air filters are generally used in clean workshops, clean factories, laboratories and clean rooms, or for dust prevention of electronic machinery and communication equipment. Spiral air filters usually filter in a single channel, but this filtering method has a slow air filtration speed and the filter screen is not easy to replace. For this reason, we propose an air filter with a spiral filtering structure. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides an air filter with a spiral filtering structure, which effectively solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an air filter with a spiral filtering structure, comprising a filter housing, a filter layer is installed in the cavity of the filter housing, a cover body is arranged on the upper part of the filter layer, filter cotton is arranged inside the cover body, an air pump is arranged at the bottom of the inner cavity of the filter housing, an air supply end of the air pump is arranged with an air inlet pipe, an air outlet end of the air pump is connected to the bottom of the filter layer, and an air outlet hole is arranged on the upper part of the filter housing;

[0006] Wherein, the filter layer includes a guide plate, spiral grooves are evenly opened inside the guide plate, through holes are opened on the inner side of the spiral grooves, a filter net is arranged inside the spiral grooves, a cover body is arranged on the upper part of the guide plate, through grooves are evenly opened inside the cover body, and the through grooves are arranged corresponding to the spiral grooves.

[0007] Preferably, a shell is provided at the bottom of the guide plate, a connecting pipe is provided at the bottom of the shell, and an air outlet end of the air pump is connected to the connecting pipe.

[0008] Preferably, the spiral grooves are arranged in an outward spiral, and the spiral grooves are divided into six groups and arranged at equal distances.

[0009] Preferably, a screw is disposed inside the cover body, a baffle is disposed on the outer diameter of the screw, and filter holes are evenly formed on the upper portion of the cover body.

[0010] Preferably, a screw connection groove is provided inside the guide plate, and the bottom of the screw rod is screwed to the screw connection groove.

[0011] Preferably, the filter cotton is annular in shape, the filter cotton is corresponding to the through groove, and the filter cotton is fitted to the inner side of the cover body.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The air will be transported to the inside of the spiral groove through the through hole at the bottom of the plate, and the air will be filtered by the filter screen inside the spiral groove. The cover body can shield the upper part of the spiral groove and guide the air inside the spiral groove, so that the air filtered by the spiral groove can be transported through the through groove, so that the filtered air is automatically transported to the inside of the filter cotton, and when the air circulates inside the spiral groove, the airflow filtering length can be effectively increased, so that the air can be better filtered;

[0014] 2. By providing a screw rod, the cover body can be fixed by screw connection during installation, so that the cover body can better limit the position of the filter cotton. By providing a baffle, the position of the cover body can be limited, and the cover body can better fit the guide plate;

[0015] 3. The ring-shaped filter cotton can effectively shield the upper part of the through slot, so that the airflow emitted from the through slot can be better filtered through the filter cotton, and the cover body and the filter cotton are fitted together, so that the cover body can better limit and shield the filter cotton. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0017] In the attached picture:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the filter layer structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the cover structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the cover structure of the utility model.

[0022] In the figure: 10, filter housing; 11, filter layer; 110, guide plate; 111, spiral groove; 112, through hole; 113, filter net; 114, cover body; 115, through groove; 12, cover body; 13, filter cotton; 14, vacuum pump; 15, air inlet pipe; 16, air outlet. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1, by Figure 1-4An air filter with a spiral filtering structure is provided, comprising a filter housing 10, a filter layer 11 is installed in the cavity of the filter housing 10, a cover body 12 is arranged on the upper part of the filter layer 11, a filter cotton 13 is arranged inside the cover body 12, an air pump 14 is arranged at the bottom of the inner cavity of the filter housing 10, an air supply end of the air pump 14 is arranged with an air inlet pipe 15, an air outlet end of the air pump 14 is connected to the bottom of the filter layer 11, an air outlet hole 16 is arranged on the upper part of the filter housing 10, wherein the filter layer 11 comprises a guide plate 110, spiral grooves 111 are uniformly opened inside the guide plate 110, through holes 112 are opened on the inner side of the spiral grooves 111, a filter net 113 is arranged inside the spiral grooves 111, and a cover body is arranged on the upper part of the guide plate 110. 114, the interior of the cover body 114 is evenly provided with through grooves 115, and the through grooves 115 are arranged correspondingly to the spiral groove 111. When the device is in use, the air pump 14 can be operated to make the external air be transported to the interior of the air pump 14 through the air inlet pipe 15, and the air pump 14 transports the air to the interior of the filter layer 11, and the air is filtered by the filter layer 11, and the filtered air is filtered through the filter cotton 13 for secondary filtering, and the position of the filter cotton 13 can be fixed by providing the cover body 12 to avoid the position of the filter cotton 13 from being offset, and when the air pump 14 is working, the air is transported to the interior of the spiral groove 111 through the through hole 112 at the bottom of the plate, and the air inside the spiral groove 111 is filtered by the filter cotton 13. The filter screen 113 filters the air, and by providing a cover body 114, the upper part of the spiral groove 111 can be shielded, and the air inside the spiral groove 111 can be guided, so that the air filtered by the spiral groove 111 is transported through the through groove 115, so that the filtered air is automatically transported to the inside of the filter cotton 13, and when the air circulates inside the spiral groove 111, the length of the air flow can be effectively filtered, so that the air can be better filtered. A shell is provided at the bottom of the guide plate 110, and a connecting pipe is provided at the bottom of the shell. The air outlet end of the air pump 14 is connected to the connecting pipe. By providing a shell and a connecting pipe, the air extracted by the air pump 14 will be transported to the inside of the shell through the connecting pipe, and when the shell is directed to the guide plate 110, the air can be effectively filtered. 10 is used for conveying inside, and the auxiliary guide plate 110 is used for better guiding and conveying work. The spiral groove 111 is set in an outward spiral, and the spiral groove 111 is divided into six groups and is equidistantly set. The spiral groove 111 is set in an outward spiral, and the length of the spiral groove 111 can be effectively lengthened, thereby effectively increasing the filtering length of the air, so that the air can be better filtered, and the filtering amount of the air can be effectively increased by multiple groups of spiral grooves 111, so that multiple groups of spiral grooves 111 can simultaneously convey and flow the air. A screw is set inside the cover body 12, and a baffle is set on the outer diameter of the screw. Filter holes are evenly opened on the upper part of the cover body 12. The filter holes on the upper part of the cover body 12 can make the air filtered by the filter cotton 13 be better discharged.A screw groove is provided inside the guide plate 110, and the bottom of the screw is screwed to the screw groove. The screw allows the cover body 12 to be fixed by screwing when it is installed, so that the cover body 12 can better limit the position of the filter cotton 13. The baffle can be provided to limit the position of the cover body 114, and the cover body 114 can better fit the guide plate 110. The filter cotton 13 is annular in shape, and the filter cotton 13 is corresponding to the through groove 115. The filter cotton 13 is fitted with the inner side of the cover body 12. The annular filter cotton 13 can effectively block the upper part of the through groove 115, so that the airflow emitted from the through groove 115 can be better filtered through the filter cotton 13. The cover body 12 and the filter cotton 13 are fitted, so that the cover body 12 can better limit and block the filter cotton 13.

[0025] Working principle: When the device is in use, it can work by running the air pump 14, so that the external air is transported to the inside of the air pump 14 through the air inlet pipe 15, and the air is transported to the inside of the filter layer 11 by the air pump 14, and the air is filtered by the filter layer 11, and the filtered air is filtered twice by the filter cotton 13, and the position of the filter cotton 13 can be fixed by providing the cover body 12 to avoid the position of the filter cotton 13 from being offset, and when the air pump 14 is working, the air is transported to the inside of the spiral groove 111 through the through hole 112 at the bottom of the guide plate 110, and the air is filtered by the filter net 113 inside the spiral groove 111. The filter work can be performed, and the cover body 114 can be provided to shield the upper part of the spiral groove 111, and the air inside the spiral groove 111 can be guided, so that the air filtered by the spiral groove 111 is transported through the through groove 115, so that the filtered air is automatically transported to the inside of the filter cotton 13, and when the air circulates inside the spiral groove 111, the effective airflow filtering length can be increased, so that the air can be better filtered, and the multiple groups of spiral grooves 111 can effectively increase the filtering effect of the air and increase the filtering amount of the air, and the device can be detachably provided to better replace the filter net 113 and the filter cotton 13 inside the spiral groove 111.

Claims

1. An air filter with a spiral filtering structure, Features: The invention comprises a filter housing (10), wherein a filter layer (11) is installed in a cavity of the filter housing (10), a cover body (12) is arranged on the upper part of the filter layer (11), filter cotton (13) is arranged inside the cover body (12), an air pump (14) is arranged at the bottom of the inner cavity of the filter housing (10), an air supply end of the air pump (14) is provided with an air inlet pipe (15), an air outlet end of the air pump (14) is connected to the bottom of the filter layer (11), and an air outlet hole (16) is arranged on the upper part of the filter housing (10); The filter layer (11) comprises a guide plate (110), the interior of the guide plate (110) is uniformly provided with spiral grooves (111), the inner side of the spiral groove (111) is provided with a through hole (112), a filter screen (113) is arranged inside the spiral groove (111), a cover body (114) is arranged on the upper part of the guide plate (110), the interior of the cover body (114) is uniformly provided with through grooves (115), and the through grooves (115) are arranged corresponding to the spiral grooves (111).

2. An air filter with a spiral filtering structure according to claim 1, Features: A shell is provided at the bottom of the guide plate (110), a connecting pipe is provided at the bottom of the shell, and an air outlet end of the air pump (14) is connected to the connecting pipe.

3. An air filter with a spiral filtering structure according to claim 1, Features: The spiral grooves (111) are arranged in an outward spiral, and the spiral grooves (111) are divided into six groups and are arranged at equal distances.

4. An air filter with a spiral filtering structure according to claim 1, Features: A screw is arranged inside the cover body (12), a baffle is arranged on the outer diameter of the screw, and filter holes are evenly arranged on the upper part of the cover body (12).

5. An air filter with a spiral filtering structure according to claim 4, Features: A screw connection groove is provided inside the guide plate (110), and the bottom of the screw rod is screwed to the screw connection groove.

6. An air filter with a spiral filtering structure according to claim 1, Features: The filter cotton (13) is arranged in a ring shape, the filter cotton (13) and the through groove (115) are arranged correspondingly, and the filter cotton (13) and the inner side of the cover body (12) are arranged in a close fit.

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