CN218530202U

CN218530202U - Double-stage filtering air filter

Info

Publication number: CN218530202U
Application number: CN202222675196.7U
Authority: CN
Inventors: 丁乐群
Original assignee: Wuxi Hangfeng Filtration Machinery Equipment Co ltd
Current assignee: Wuxi Hangfeng Filtration Machinery Equipment Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-28
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a doublestage filtration air cleaner, including the filter body and be used for carrying out prefiltering's prefilter to the air, prefilter including locate the prefilter of filter body intercommunication, locate the shell of prefilter outermost portion, locate the intake pipe of shell one end, locate the cartridge filter of prefilter inside, set up a plurality of filtration pores on cartridge filter bottom surface and the lateral wall, locate the gas collecting channel of cartridge filter inlet end, set up the gas outlet of keeping away from intake pipe one end in the gas collecting channel, locate a plurality of spoilers of gas outlet department on the gas collecting channel and locate the communicating pipe between prefilter and the filter body, the cross section of gas collecting channel is the toper, the utility model discloses a set up filter body, prefilter, shell, intake pipe, cartridge filter, filtration pore, gas collecting channel, gas outlet, spoiler and communicating pipe, solved current monopole filter equipment, need through increasing the frequent maintenance to the filter, lead to the problem of terminal customer's operation cost.

Description

Two-stage filtering air filter

Technical Field

The utility model belongs to the technical field of air cleaner, especially, relate to a doublestage filtration air cleaner.

Background

At present, the air filter device on most air compressors on the market mainly relies on single-stage air filter, and under the relatively harsh condition of service environment, the air filter device with single-stage filtration can embody the dilemma: if impurities are filtered completely, the high air permeability and the service life of the filter material must be abandoned; if select high air permeability and long life, then the filter effect is very poor, and causes the whole life of air compressor machine to shorten by a wide margin extremely easily, and the current relatively more common way is exactly to increase the maintenance frequency to the filter to ensure normal use, but this also greatly increased terminal customer's operation cost.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a doublestage filtration air cleaner, possess and pass through the gas collecting channel, can make the velocity of flow increase of air, the air current drives the spoiler and rotates, make in the air fully and evenly flows into the cartridge filter, thereby stop great particulate matter in the air in the cartridge filter, through carrying out doublestage filtration to the air, improve the filter effect, reduce the advantage to the maintenance frequency of filter body, current monopole filter equipment has been solved, need be through the maintenance frequency of increase to the filter, lead to the problem that has increased terminal customer's operating cost.

The utility model discloses a realize like this, a doublestage filtration air cleaner, include the filter body and be used for carrying out prefiltering's pre-filter to the air, pre-filter is including locating the pre-filter of filter body intercommunication, locating the shell of pre-filter outermost layer portion, locating the intake pipe of shell one end, locating the cartridge filter of pre-filter inside, set up a plurality of filtration pores on cartridge filter bottom surface and the lateral wall, locate the gas collecting channel of cartridge filter inlet end, set up the gas outlet that the intake pipe one end was kept away from to the gas collecting channel, locate a plurality of spoilers of gas outlet department on the gas collecting channel and locate the communicating pipe between pre-filter and the filter body, the cross section of gas collecting channel is the toper, the inlet end of gas collecting channel reduces gradually to the end internal diameter of giving vent to anger, the gas collecting channel can be dismantled with the cartridge filter and be connected, intake pipe, shell, cartridge filter and gas collecting channel are located same the central axis.

As the utility model discloses it is preferred, the inlet end of cartridge filter is equipped with the rubber bulge loop admittedly, the draw-in groove has been seted up to the inlet end outer wall of gas collecting channel, draw-in groove and rubber bulge loop joint.

As the utility model discloses preferred, the one end of shell is equipped with the ring flange, the intake pipe sets firmly on the ring flange, the ring flange passes through a plurality of bolted connection with the shell.

As the utility model discloses preferred, the inner wall of gas collecting channel has set firmly a plurality of spiral water conservancy diversion pieces.

As the utility model discloses it is preferred, the diapire of cartridge filter has set firmly the slide bar, the end of slide bar has set firmly the slide, the sliding contact piece has set firmly on the slide, the shell inner wall has set firmly the sleeve, the spring has set firmly between sleeve diapire and the slide, telescopic diapire has set firmly fixed contact piece, the controller has set firmly on the shell, the shell has set firmly bee calling organ, bee calling organ and controller electric connection, controller and fixed contact piece electric connection, the end of slide bar extends to inside the sleeve, slide and sleeve sliding connection.

As the utility model discloses it is preferred, the inner wall of shell has set firmly a plurality of guide rails, a plurality of spouts have been seted up to the outer wall of cartridge filter, guide rail and spout sliding connection.

As the utility model discloses preferred, the filter body is including locating the outside barrel of filter body and locating the inside filter core of barrel.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up filter body, prefilter, shell, intake pipe, cartridge filter, filtration pore, gas collecting channel, gas outlet, spoiler and communicating pipe, reached through the gas collecting channel, can make the velocity of flow increase of air, the air current drives the spoiler and rotates, make in the air fully and evenly flows into the cartridge filter to stop great particulate matter in the air in the cartridge filter, through carrying out doublestage filtration to the air, improve the filter effect, reduce the maintenance frequency to the filter body, reduce the effect of operation cost.

2. The utility model discloses a set up rubber bulge loop and draw-in groove, can be convenient for carry out the dismouting to the gas collecting channel in going into the rubber bulge loop with the draw-in groove card, be convenient for clean the filth of cartridge filter inside.

3. The utility model discloses a set up the ring flange, can be convenient for carry out the dismouting to the prefilter, can guarantee the inside leakproofness of prefilter simultaneously.

4. The utility model discloses a set up the spiral water conservancy diversion piece, can further improve the velocity of flow of air, make the air current can drive the spoiler and rotate fast, make the air evenly get into in the cartridge filter.

5. The utility model discloses a set up slide bar, slide, sliding contact piece, sleeve, spring, fixed contact piece, controller and bee calling organ, can be when the inside impurity of cartridge filter is more, the air resistance increase, the air current can promote the cartridge filter to slide simultaneously, and spring compression makes sliding contact piece and fixed contact piece contact, through the controller, can make bee calling organ start to in time, the suggestion staff need clear up the prefilter.

6. The utility model discloses a set up guide rail and spout, can prevent that the cartridge filter from at pre-filter shell internal rotation, can restrict the slip direction and the home range of cartridge filter simultaneously, improve the stability of cartridge filter.

7. The utility model discloses a set up barrel and filter core, can carry out the second grade to the air and filter, improve the filter effect of air.

Drawings

Fig. 1 is a schematic structural diagram provided in an embodiment of the present invention;

fig. 2 is a left side view provided by an embodiment of the present invention;

fig. 3 isbase:Sub>A perspective cross-sectional view taken atbase:Sub>A-base:Sub>A of fig. 2 according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a filter cartridge according to an embodiment of the present invention.

In the figure: 1. a filter body; 2. a prefilter; 3. a housing; 4. an air inlet pipe; 5. a filter cartridge; 6. filtering holes; 7. a gas-collecting hood; 8. an air outlet; 9. a spoiler; 10. a communicating pipe; 11. a rubber convex ring; 12. a card slot; 13. a flange plate; 14. a spiral flow deflector; 15. a slide bar; 16. a slide plate; 17. a sliding contact block; 18. a sleeve; 19. a spring; 20. fixing the contact block; 21. a controller; 22. a buzzer; 23. a guide rail; 24. a chute; 25. a barrel; 26. and (3) a filter element.

Detailed Description

For further understanding the contents, features and effects of the present invention, the following embodiments will be illustrated in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the embodiment of the utility model provides a two-stage filtration air cleaner, include filter body 1 and be used for carrying out prefiltering's pre-filter device to the air, pre-filter device is including locating the pre-filter 2 of filter body 1 intercommunication, locating the shell 3 of the outermost layer portion of pre-filter 2, locating the intake pipe 4 of shell 3 one end, locating the cartridge filter 5 of pre-filter 2 inside, set up a plurality of filtration pores 6 on cartridge filter 5 bottom surface and lateral wall, locate the discharge tank 7 of cartridge filter 5 inlet end, set up the gas outlet 8 of keeping away from intake pipe 4 one end in discharge tank 7, locate a plurality of spoilers 9 of gas outlet 8 department on discharge tank 7 and locate the communicating pipe 10 between pre-filter 2 and the filter body 1, the cross section of discharge tank 7 is the toper, the inlet end to the discharge end internal diameter of discharge tank 7 reduce gradually, discharge tank 7 can dismantle with cartridge filter 5 and be connected, intake pipe 4, shell 3, cartridge filter 5 and discharge tank 7 are located same the central axis.

Referring to fig. 4, a rubber convex ring 11 is fixedly arranged at the air inlet end of the filter cartridge 5, and a clamping groove 12 is formed in the outer wall of the air inlet end of the gas collecting hood 7, and the clamping groove 12 is clamped with the rubber convex ring 11.

The scheme is adopted: through setting up rubber bulge loop 11 and draw-in groove 12, can be convenient for carry out the dismouting to gas collecting channel 7 in going into rubber bulge loop 11 with draw-in groove 12 card, be convenient for clean the filth of cartridge filter 5 inside.

Referring to fig. 1, a flange 13 is disposed at one end of the housing 3, the air inlet pipe 4 is fixedly disposed on the flange 13, and the flange 13 is connected to the housing 3 through a plurality of bolts.

Adopt above-mentioned scheme: through setting up ring flange 13, can be convenient for carry out the dismouting to prefilter 2, can guarantee the inside leakproofness of prefilter 2 simultaneously.

Referring to fig. 3, a plurality of spiral flow deflectors 14 are fixedly arranged on the inner wall of the gas collecting channel 7.

Adopt above-mentioned scheme: by arranging the spiral guide vanes 14, the flow speed of the air can be further improved, so that the air flow can drive the spoiler 9 to rotate quickly, and the air can uniformly enter the filter cartridge 5.

Referring to fig. 3 and fig. 1, the diapire of cartridge filter 5 has set firmly slide bar 15, slide bar 15's end has set firmly slide 16, slide contact piece 17 has set firmly on slide 16, shell 3 inner wall has set firmly sleeve 18, spring 19 has set firmly between sleeve 18 diapire and the slide 16, sleeve 18's diapire has set firmly fixed contact piece 20, shell 3 has set firmly controller 21, shell 3 has set firmly bee calling organ 22, bee calling organ 22 and controller 21 electric connection, controller 21 and fixed contact piece 20 electric connection, slide bar 15's end extends to inside the sleeve 18, slide 16 and sleeve 18 sliding connection.

Adopt above-mentioned scheme: through setting up slide bar 15, slide 16, sliding contact piece 17, sleeve 18, spring 19, fixed contact piece 20, controller 21 and bee calling organ 22, can be when the inside impurity of cartridge filter 5 is more, the air resistance increase, the air current can promote cartridge filter 5 to slide simultaneously, spring 19 compresses, makes sliding contact piece 17 and fixed contact piece 20 contact, through controller 21, can make bee calling organ 22 start to in time the suggestion staff needs clear up prefilter 2.

Referring to fig. 3 and 4, a plurality of guide rails 23 are fixedly arranged on an inner wall of the housing 3, a plurality of sliding grooves 24 are formed on an outer wall of the filter cartridge 5, and the guide rails 23 are slidably connected with the sliding grooves 24.

Adopt above-mentioned scheme: through setting up guide rail 23 and spout 24, can prevent that filter cartridge 5 from at the 3 internal rotations of prefilter 2 shell, can restrict filter cartridge 5's slip direction and home range simultaneously, improve filter cartridge 5's stability.

Referring to fig. 3, the filter body 1 includes a cylinder 25 disposed outside the filter body 1 and a filter element 26 disposed inside the cylinder 25, and the filter element 26 is provided with a plurality of air holes, and the diameter of the air holes is smaller than that of the filter holes 6.

Adopt above-mentioned scheme: through setting up barrel 25 and filter core 26, can carry out the second grade to the air and filter, improve the filter effect of air.

The utility model discloses a theory of operation:

when using, at first, the air passes through the intake pipe 4 and gets into in the gas collecting channel 7, air flow rate through the gas collecting channel 7 improves, when the air is through gas outlet 8, can drive spoiler 9 and rotate, make the air fully and evenly flow in cartridge filter 5, thereby block great particulate matter in the air in cartridge filter 5, air through prefiltering gets into inside filter body 1 through communicating pipe 10 afterwards, through filter core 26, can filter the air once more, can block less particulate matter outside, through carrying out doublestage to the air and filtering, the effect of filtration is improved, reduce the maintenance frequency to filter body 1, and the operation cost is reduced.

In conclusion: this doublestage filtered air cleaner through setting up filter body 1, prefilter 2, shell 3, intake pipe 4, cartridge filter 5, filtration pore 6, gas collecting channel 7, gas outlet 8, spoiler 9 and communicating pipe 10, has solved current monopole filter equipment, need be through increasing the maintenance frequency to the filter, leads to having increased terminal customer's operation cost's problem.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A two-stage filtering air filter comprising a filter body (1) and prefilter means for prefiltering air, characterized in that: the pre-filtering device comprises a pre-filter (2) arranged on a filter body (1) in a communicated mode, a shell (3) arranged on the outermost layer of the pre-filter (2), an air inlet pipe (4) arranged at one end of the shell (3), a filter cylinder (5) arranged inside the pre-filter (2), a plurality of filter holes (6) formed in the bottom surface and the side wall of the filter cylinder (5), a gas collecting hood (7) arranged at the air inlet end of the filter cylinder (5), a gas outlet (8) formed in the gas collecting hood (7) and far away from one end of the air inlet pipe (4), a plurality of spoilers (9) arranged on the gas outlet (8) of the gas collecting hood (7) and a communicating pipe (10) arranged between the pre-filter (2) and the filter body (1), wherein the cross section of the gas collecting hood (7) is conical, the inner diameter of the air inlet end to the inner diameter of the gas collecting hood (7) is gradually reduced, the gas collecting hood (7) is detachably connected with the filter cylinder (5), and the air inlet pipe (3), the shell (3), the filter cylinder (5) and the central axis are located on the same axis.

2. The dual stage filtration air cleaner of claim 1, wherein: the air inlet end of the filter cartridge (5) is fixedly provided with a rubber convex ring (11), the outer wall of the air inlet end of the gas collecting hood (7) is provided with a clamping groove (12), and the clamping groove (12) is clamped with the rubber convex ring (11).

3. The dual-stage filtration air cleaner of claim 1, wherein: one end of the shell (3) is provided with a flange plate (13), the air inlet pipe (4) is fixedly arranged on the flange plate (13), and the flange plate (13) is connected with the shell (3) through a plurality of bolts.

4. The dual-stage filtration air cleaner of claim 1, wherein: the inner wall of the gas-collecting hood (7) is fixedly provided with a plurality of spiral flow deflectors (14).

5. The dual-stage filtration air cleaner of claim 1, wherein: the diapire of cartridge filter (5) has set firmly slide bar (15), the end of slide bar (15) has set firmly slide (16), slide (16) are last to set firmly sliding contact piece (17), shell (3) inner wall has set firmly sleeve (18), spring (19) have set firmly between sleeve (18) diapire and slide (16), the diapire of sleeve (18) has set firmly fixed contact piece (20), the controller (21) have set firmly on shell (3), shell (3) have set firmly bee calling organ (22), bee calling organ (22) and controller (21) electric connection, controller (21) and fixed contact piece (20) electric connection, the end of slide bar (15) extends to inside sleeve (18), slide (16) and sleeve (18) sliding connection.

6. The dual-stage filtration air cleaner of claim 1, wherein: the inner wall of shell (3) sets firmly a plurality of guide rails (23), a plurality of spout (24) have been seted up to the outer wall of cartridge filter (5), guide rail (23) and spout (24) sliding connection.

7. The dual-stage filtration air cleaner of claim 1, wherein: the filter body (1) comprises a cylinder body (25) arranged outside the filter body (1) and a filter element (26) arranged inside the cylinder body (25).