CN112502869A - Air filter with dust collector - Google Patents
Air filter with dust collector Download PDFInfo
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- CN112502869A CN112502869A CN202011341315.4A CN202011341315A CN112502869A CN 112502869 A CN112502869 A CN 112502869A CN 202011341315 A CN202011341315 A CN 202011341315A CN 112502869 A CN112502869 A CN 112502869A
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- Prior art keywords
- air
- filter
- dust
- sleeve
- lower cover
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/086—Dust removal by flushing, blasting, pulsating or aspirating flow, washing or the like; Mechanical dust removal, e.g. by using scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02475—Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
- F02M35/02483—Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/08—Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
- F02M35/084—Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of air filters, and discloses an air filter with a dust removal device, which comprises an upper cover and a lower cover, wherein the lower cover is positioned at the lower end of the upper cover and connected with the upper cover, one side surface of the upper cover is connected with an air inlet pipe, the other side surface of the upper cover is provided with a replacement port, a knob is arranged at the port of the replacement port, one side surface of the lower cover is provided with an air outlet, an air valve is arranged at one end, corresponding to the air valve, of the inside of the upper cover, an upper filter cylinder is arranged at one end, corresponding to the air valve, of the inside of the upper cover, a lower filter cylinder is arranged at the position, corresponding to the air outlet, of the inside of the lower cover, one end, positioned at the inner side wall of. This design adopts dual filtration, not only is high to the filtration efficiency of air, and it is convenient to the change clearance of straining a section of thick bamboo moreover, and the resistance of admitting air of real-time supervision air reduces the inside air resistance of empty filter, improves the efficiency of admitting air.
Description
Technical Field
The invention relates to the technical field of air filters, in particular to an air filter with a dust removal device.
Background
With the development and progress of society, the application of automobiles is gradually increased, and the application of an automobile air filter is also important, and the automobile air filter is used for providing clean air for the operation of an engine so as to ensure that the engine is not polluted by dust in dirty air, and the quality of the air for the operation of the engine is greatly dependent on the filtering cleanliness and the filtering effect of the air filter, so that a good air filter is obtained, and the cleanness of a filter element of the air filter is important.
However, the automobile air filter in the current market is limited by the space of an automobile body, so that the filter element area of the required air filter is small, the air resistance is large, the filtering effect is not ideal enough, and meanwhile, most air filters are not provided with the automatic dust cleaning function, so that the service life is short, the replacement and cleaning times are increased, the using effect is influenced, and manual cleaning is required. Accordingly, those skilled in the art have provided an air cleaner with a dust removing device to solve the problems set forth in the background art described above.
Disclosure of Invention
The invention aims to provide an air filter with a dust removal device, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an air filter with a dust removal device comprises an upper cover and a lower cover positioned at the lower end of the upper cover for connection, wherein a plurality of fixing parts are arranged at the joint of the upper cover and the lower cover, an air inlet pipe is connected to one side surface of the upper cover, a replacement port is arranged on the other side surface of the upper cover, a knob is arranged at the port of the replacement port, an air outlet is arranged on one side surface of the lower cover, an air outlet pipe is connected to the port of the air outlet, a fixing frame is arranged on the outer side of the lower cover, an air valve is arranged at one end, positioned at the air inlet pipe, of the inner part of the upper cover, an upper filter cylinder is arranged at one end, corresponding to the air valve, of the inner part of the lower cover, a lower filter cylinder is arranged at the position corresponding to the air outlet, a driving motor is connected to the inner side wall, an inclined plate is arranged below the, the side of the inner side wall of the lower cover, which is positioned at one side of the lower filter cylinder, is provided with a brush plate, and the side surface of the brush plate, which corresponds to the outer surface of the lower filter cylinder, is distributed with brushes.
As a further scheme of the invention: one end of the air valve is connected with a first sleeve, one end of the upper filter cylinder is connected with a first connecting pipe corresponding to the first sleeve, threads are arranged on the outer surface of the first connecting pipe and the inner surface of the first sleeve, and one end of the upper filter cylinder is in threaded connection with the air valve through the first sleeve and the first connecting pipe.
As a still further scheme of the invention: the dust collecting pipe is connected to the other end of the upper filter cylinder, a threaded rod is arranged between the dust collecting pipe and the knob and fixedly connected with the knob through the threaded rod, threads are arranged on the outer surface of the threaded rod and the inner surface of the replacing opening, the other end of the upper filter cylinder is connected with the replacing opening through the threaded rod, and the outer diameter of the threaded rod is larger than that of the first connecting pipe.
As a still further scheme of the invention: one end of the lower filter cylinder is connected with the output end of the driving motor, the other end of the lower filter cylinder is connected with a bearing, one end of the bearing is connected with a second sleeve, one end of the gas outlet is located inside the lower cover and is connected with a detection pipe, one end of the detection pipe is connected with a second connecting pipe corresponding to the second sleeve, and a filter screen is arranged inside the detection pipe.
As a still further scheme of the invention: the inner surface of the second sleeve and the outer surface of the second connecting pipe are both provided with threads, the second sleeve is in threaded connection with the second connecting pipe, the lower filter cartridge is rotatably connected with the second sleeve through a bearing, and the bearing is fixedly connected with the detection pipe through the second sleeve and the second connecting pipe.
As a still further scheme of the invention: the both ends correspondence of filter screen is connected with the connecting plate, the inside wall of detecting tube corresponds two connecting plate department all sets up flutedly, a side of connecting plate is located the recess in-connection and has reset spring, and the another side of connecting plate is connected with the ejector pin, pressure sensor is installed to the one end department that the inside wall of recess corresponds the ejector pin.
As a still further scheme of the invention: one side of the connecting plate is connected with one side wall of the groove through a return spring, one end of the ejector rod is in contact with the pressure sensor, and the filter screen is connected with the detection tube through the connecting plate and the return spring.
As a still further scheme of the invention: the inclined plate is obliquely arranged, the bottom end of the inclined plate is located at the edge of the dust collecting opening, the lower end of the dust collecting opening is provided with an ash discharge cover, the brush is in contact with the surface of the lower filter cylinder, and the upper filter cylinder is obliquely arranged.
Compared with the prior art, the invention has the beneficial effects that: the air filter with the dust removal device is characterized in that during actual operation, double filter cylinders are arranged in the air filter, the upper filter cylinder is provided with a dust accumulation pipe, so that dust can be accumulated conveniently, the air filter is also convenient to disassemble and assemble, the upper filter cylinder can be cleaned or replaced without disassembling the air filter during replacement and cleaning, the problem that the whole air filter needs to be disassembled when the filter cylinder is replaced or cleaned by a traditional air filter is solved, meanwhile, the lower filter cylinder arranged in the lower cover is provided with a dust cleaning function, the resistance of the filter cylinder to air can be monitored in real time, when the air resistance of the filter cylinder to air is large, dust cleaning equipment is automatically controlled to clean the dust accumulation on the surface of the lower filter cylinder, the air inlet efficiency of the air filter is ensured, the cleaned dust accumulation is also convenient to discharge, the double filtration is adopted, the air filtering efficiency is high, and the filter cylinder is convenient to replace, and the air intake resistance is monitored in real time, the air resistance in the air filter is reduced, and the air intake efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of an air filter with a dust removing device;
FIG. 2 is a schematic view showing the internal structure of an air cleaner having a dust removing means;
FIG. 3 is a schematic view of the construction of an upper filter cartridge in an air filter with a dust removing device;
FIG. 4 is a schematic view of the lower filter cartridge of an air filter with a dust removing device;
fig. 5 is a schematic view showing the structure of a detection pipe in an air filter with a dust removing device.
In the figure: 1. an upper cover; 2. a lower cover; 3. an air inlet pipe; 4. an air outlet pipe; 5. a fixing member; 6. a fixed mount; 7. replacing the port; 8. a knob; 9. an upper filter cartridge; 91. a first sleeve; 92. an air valve; 93. a first connecting pipe; 94. a dust pipe; 95. a threaded rod; 21. brushing the board; 22. a brush; 23. an air outlet; 24. a drive motor; 25. a dust collection port; 26. a sloping plate; 27. a lower filter cartridge; 28. a bearing; 29. a second sleeve; 30. a second connecting pipe; 31. a detection tube; 32. filtering with a screen; 33. a return spring; 34. a connecting plate; 35. a top rod; 36. a groove; 37. a pressure sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, an air filter with a dust removing device includes an upper cover 1 and a lower cover 2 connected to a lower end of the upper cover 1, a plurality of fixing members 5 are disposed at a joint of the upper cover 1 and the lower cover 2, an air inlet pipe 3 is connected to one side surface of the upper cover 1, a replacing port 7 is disposed at the other side surface of the upper cover 1, a knob 8 is disposed at a port of the replacing port 7, an air outlet 23 is disposed at one side surface of the lower cover 2, an air outlet pipe 4 is connected to a port of the air outlet 23, a fixing frame 6 is disposed at an outer side of the lower cover 2, an air valve 92 is disposed at one end of the air inlet pipe 3 inside the upper cover 1, an upper filter cylinder 9 is disposed at one end of the air valve 92 inside the upper cover 1, a lower filter cylinder 27 is disposed at a position corresponding to the air outlet 23 inside the lower cover 2, a driving motor 24 is connected to an inner side, and the dust collecting port 25 is opened at one end of the inclined plate 26 in the lower cover 2, the brush plate 21 is arranged at one side of the inner side wall of the lower cover 2, which is positioned at the lower filter cartridge 27, the brush 22 is distributed at the side surface of the brush plate 21 corresponding to the outer surface of the lower filter cartridge 27, the brush 22 is in contact with the surface of the lower filter cartridge 27, so that dust on the surface of the lower filter cartridge 27 can be conveniently removed, the inclined plate 26 is obliquely arranged, the bottom end of the inclined plate 26 is positioned at the edge of the dust collecting port 25, and the dust discharging cover is arranged at the lower end of the dust collecting port 25, so that the dust discharging cover can be conveniently opened, and the dust.
The upper filter cartridge 9 is obliquely arranged, one end of an air valve 92 is connected with a first sleeve 91, one end of the upper filter cartridge 9 is connected with a first connecting pipe 93 corresponding to the first sleeve 91, the outer surface of the first connecting pipe 93 and the inner surface of the first sleeve 91 are both provided with threads, one end of the upper filter cartridge 9 is in threaded connection with the air valve 92 through the first sleeve 91 and the first connecting pipe 93, the other end of the upper filter cartridge 9 is connected with a dust tube 94, a threaded rod 95 is arranged between the dust tube 94 and a knob 8, the dust tube 94 is fixedly connected with the knob 8 through the threaded rod 95, the outer surface of the threaded rod 95 and the inner surface of a replacing port 7 are both provided with threads, the other end of the upper filter cartridge 9 is in threaded connection with the replacing port 7 through the threaded rod 95, the outer diameter of the threaded rod 95 is larger than that of the first connecting pipe 93, when the upper filter cartridge 9 is installed, the upper filter cartridge 9 is placed into the upper cover 1 through the replacing port 7, and is in threaded, meanwhile, the threaded rod 95 at the other end of the upper filter cylinder can be screwed in the replacing opening 7 just by threads, so that the upper filter cylinder 9 can be conveniently fixed in the upper cover 1 and is communicated with the air inlet pipe 3, air entering from the air inlet pipe 3 can directly enter the inner part of the upper filter cylinder 9 conveniently, the air flows into the air filter after being filtered by the upper filter cylinder 9, the entering air is conveniently subjected to preliminary filtration, the air enters the upper filter cylinder 9 and is filtered, dust carried in the air can be retained in the upper filter cylinder 9, when the air enters, the retained dust can move towards the dust collecting pipe 94 and is finally retained in the dust collecting pipe 94 due to the influence of air flow, the influence of the accumulated dust on the filtering effect of the upper filter cylinder 9 is reduced, the cleaning is convenient, when the cleaning is needed, only the knob 8 needs to be screwed, so that the first connecting pipe 93 is screwed out from the first sleeve pipe 91, and the threaded rod 95 is screwed out from the replacing opening 7, so that the upper filter cylinder 9 can be conveniently taken out from the upper cover 1 for cleaning, the operation is convenient, and the outer diameter of the upper filter cylinder 9 is smaller than the inner diameter of the replacing opening 7, so that the upper filter cylinder 9 can be conveniently disassembled and assembled.
One end of the lower filter cartridge 27 is connected to the output end of the driving motor 24, the other end of the lower filter cartridge 27 is connected to the bearing 28, one end of the bearing 28 is connected to the second sleeve 29, one end of the air outlet 23 is located inside the lower cover 2 and connected to the detection tube 31, one end of the detection tube 31 is connected to the second connecting tube 30 corresponding to the second sleeve 29, the detection tube 31 is internally provided with the filter screen 32, the inner surface of the second sleeve 29 and the outer surface of the second connecting tube 30 are both provided with threads, the second sleeve 29 is connected to the second connecting tube 30 through the threads, the lower filter cartridge 27 is rotatably connected to the second sleeve 29 through the bearing 28, the bearing 28 is fixedly connected to the detection tube 31 through the second sleeve 29 and the second connecting tube 30, when the surface of the lower filter cartridge 27 is filtered to remove more dust, the driving motor 24 can be controlled by the external controller to operate, and then the lower filter cartridge, make down strain a section of thick bamboo 27 and rotate simultaneously, can not influence gas outlet 23 and detecting tube 31, and when rotating, because the surface of straining a section of thick bamboo 27 down contacts with brush 22, thereby utilize brush 22 to strain a section of thick bamboo 27 dust on the surface down and clean, make the dust of cleaning fall into down on the swash plate 26 of the inside bottom of lid 2, because swash plate 26 slope sets up, when the dust is piled up, can fall to dust collection mouth 25 department, convenient clearance, and when needing to strain a section of thick bamboo 27 down and clear up the change, can demolish driving motor 24 and lower lid 2 internal connection's bolt, then twist second sleeve pipe 29, twist it from second connecting pipe 30 and twist off and can dismantle down and strain a section of thick bamboo 27, and convenient operation.
The two ends of the filter screen 32 are correspondingly connected with connecting plates 34, the inner side wall of the detection tube 31 is provided with grooves 36 corresponding to the two connecting plates 34, one side surface of the connecting plate 34 is positioned in the groove 36 and is connected with a return spring 33, the other side surface of the connecting plate 34 is connected with a push rod 35, one end of the inner side wall of the groove 36 corresponding to the push rod 35 is provided with a pressure sensor 37 (model is PX409 series), one side surface of the connecting plate 34 is connected with one side wall of the groove 36 through the return spring 33, one end of the push rod 35 is contacted with the pressure sensor 37, the filter screen 32 is connected with the detection tube 31 through the connecting plate 34 and the return spring 33, in the using process of the air filter, because air enters from the air inlet pipe 3, after being filtered by the upper filter cartridge 9 and the lower filter cartridge 27, the air is discharged to the air outlet 23 through the detection tube, the air in the lower filter cartridge 27 flows largely and pushes the filter screen 32 to extrude toward the air outlet 23, that is, the connection plates 34 at the two ends of the filter screen 32 drive the push rods 35 to push against the pressure sensors 37, and at this time, the pressure value borne by the pressure sensors 37 is within the normal range, and if the upper filter cartridge 9 or the lower filter cartridge 27 is used for a long time and has a large surface dust accumulation, the air resistance is large, so that the mobility of the air entering the interior of the upper filter cartridge is small, the flow of the air discharged into the detection tube 31 is small, the extrusion force of the filter screen 32 toward the air outlet 23 is small, the pressure generated by the push rods 35 driven by the connection plates 34 at the two ends of the filter screen 32 to the pressure sensors 37 is reduced, that is, the pressure value borne by the pressure sensors 37 is lower than the normal range, which indicates the air outlet efficiency of the air filter, and at this time, the, by external controller control drive motor 24 work, strain a section of thick bamboo 27 rotation under its drive to utilize brush 22 to clean its surface, so that clear away the laying dust on its surface, also can remind the staff simultaneously, need clear up last filter tube 9, this operation is for traditional empty filter, not only to the filter effect of air, need not to dismantle empty filter moreover, and it is more convenient lasting to use.
The working principle of the invention is as follows: when the invention works, the upper filter cylinder 9 is conveniently fixed in the upper cover 1 by utilizing the threaded connection of the first connecting pipe 93 and the first sleeve pipe 91 and the connection of the threaded rod 95 and the replacing port 7, so that the upper filter cylinder is communicated with the air inlet pipe 3, the air entering from the air inlet pipe 3 can conveniently directly enter the inner part of the upper filter cylinder 9, the air flows into the air filter after being filtered by the upper filter cylinder 9, the entering air is conveniently subjected to primary filtration, the primarily filtered air is subjected to secondary filtration by the lower filter cylinder 27 in the lower cover 2, then enters the inner part of the lower cover, the air is discharged into the air outlet 23 by the detecting pipe 31 connected with one end of the air outlet pipe 4, and finally the air is discharged by the air outlet pipe 4, so that the air is filtered, the upper filter cylinder 9 is obliquely arranged, the dust carried in the air entering the inner part of the air inlet pipe 3 can be retained in the, because of the influence of the air flow, the retained dust can move towards the dust tube 94 and finally be retained in the dust tube 94, thereby reducing the influence of the accumulated dust on the filtering effect of the upper filter cylinder 9, improving the using effect of the upper filter cylinder 9 and delaying the replacement and cleaning time thereof, meanwhile, when the dust on the surface of the lower filter cylinder 27 is more, the air entering the lower filter cylinder 27 can generate larger resistance, so that the air mobility in the lower filter cylinder is small, the extrusion generated by the movement of the filter screen 32 towards the air outlet 23 is small, at the moment, the pressure generated by the push rods 35 connected with the connecting plates 34 at the two ends to the pressure sensor 37 is small, when the pressure value born by the pressure sensor 37 is smaller than the set range value, a signal can be transmitted to the controller, the controller controls the driving motor 24 to work, thereby driving the lower filter cylinder 27 to rotate, and the brush 22 is used for cleaning the dust on the surface thereof, the invention has the advantages of convenient cleaning of dust on the surface, reduction of the resistance of the lower filter cylinder 27 to the air entering the lower filter cylinder, increase of the fluidity of the air and improvement of the air inlet efficiency.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. An air filter with a dust removal device comprises an upper cover (1) and a lower cover (2) connected with the lower end of the upper cover (1), and is characterized in that a plurality of fixing pieces (5) are arranged at the joint of the upper cover (1) and the lower cover (2), an air inlet pipe (3) is connected to one side face of the upper cover (1), a replacement port (7) is formed in the other side face of the upper cover (1), a knob (8) is arranged at the port of the replacement port (7), an air outlet (23) is formed in one side face of the lower cover (2), an air outlet pipe (4) is connected to the port of the air outlet (23), a fixing frame (6) is arranged on the outer side of the lower cover (2), an air valve (92) is arranged at one end, located in the air inlet pipe (3), of the inner portion of the upper cover (1), and an upper filter cylinder (9) is arranged at one end, corresponding to the, the utility model discloses a lower cover (2) is characterized in that the inside of lower cover (2) corresponds gas outlet (23) and is provided with down and strain a section of thick bamboo (27), the one end that strains a section of thick bamboo (27) down is located the inside wall of lower cover (2) and is connected with driving motor (24), the inside of lower cover (2) is located the below of straining a section of thick bamboo (27) down and is provided with swash plate (26), and the one end that the inside of lower cover (2) is located swash plate (26) has seted up dust collection mouth (25), the inside wall of lower cover (2) is located one side of straining a section of thick bamboo (27) down and is provided with brush board (21), brush (22) have been distributed to the side.
2. The air filter with the dust removing device according to claim 1, wherein a first sleeve (91) is connected to one end of the air valve (92), a first connecting pipe (93) is connected to one end of the upper filter cartridge (9) corresponding to the first sleeve (91), threads are formed on the outer surface of the first connecting pipe (93) and the inner surface of the first sleeve (91), and one end of the upper filter cartridge (9) is in threaded connection with the air valve (92) through the first sleeve (91) and the first connecting pipe (93).
3. The air filter with the dust removal device is characterized in that the other end of the upper filter cylinder (9) is connected with a dust tube (94), a threaded rod (95) is arranged between the dust tube (94) and the knob (8), the dust tube (94) and the knob (8) are fixedly connected through the threaded rod (95), the outer surface of the threaded rod (95) and the inner surface of the replacement opening (7) are both provided with threads, the other end of the upper filter cylinder (9) is in threaded connection with the replacement opening (7) through the threaded rod (95), and the outer diameter of the threaded rod (95) is larger than that of the first connecting pipe (93).
4. The air filter with the dust removing device is characterized in that one end of the lower filter cylinder (27) is connected with the output end of the driving motor (24), the other end of the lower filter cylinder (27) is connected with a bearing (28), one end of the bearing (28) is connected with a second sleeve (29), one end of the air outlet (23) is positioned inside the lower cover (2) and is connected with a detection pipe (31), one end of the detection pipe (31) corresponds to the second sleeve (29) and is connected with a second connecting pipe (30), and a filter screen (32) is arranged inside the detection pipe (31).
5. The air filter with the dust removing device is characterized in that the inner surface of the second sleeve (29) and the outer surface of the second connecting pipe (30) are provided with threads, the second sleeve (29) is in threaded connection with the second connecting pipe (30), the lower filter cartridge (27) is in rotary connection with the second sleeve (29) through a bearing (28), and the bearing (28) is fixedly connected with the detection pipe (31) through the second sleeve (29) and the second connecting pipe (30).
6. The air filter with the dust removal device according to claim 4, wherein two ends of the filter screen (32) are correspondingly connected with connecting plates (34), two positions, corresponding to the two connecting plates (34), of the inner side wall of the detection pipe (31) are respectively provided with a groove (36), one side face of each connecting plate (34) is located in each groove (36) and is connected with a return spring (33), the other side face of each connecting plate (34) is connected with a push rod (35), and one end, corresponding to each push rod (35), of the inner side wall of each groove (36) is provided with a pressure sensor (37).
7. An air filter with a dust removing device according to claim 6, wherein one side surface of the connecting plate (34) is connected with one side wall of the groove (36) through a return spring (33), one end of the ejector rod (35) is in contact with the pressure sensor (37), and the filter screen (32) is connected with the detection pipe (31) through the connecting plate (34) and the return spring (33).
8. The air filter with the dust removing device according to claim 1, wherein the inclined plate (26) is disposed obliquely, the bottom end of the inclined plate (26) is located at the edge of the dust collecting port (25), the lower end of the dust collecting port (25) is provided with an ash discharging cover, the brush (22) is in contact with the surface of the lower filter cartridge (27), and the upper filter cartridge (9) is disposed obliquely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341315.4A CN112502869B (en) | 2020-11-25 | 2020-11-25 | Air filter with dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011341315.4A CN112502869B (en) | 2020-11-25 | 2020-11-25 | Air filter with dust collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112502869A true CN112502869A (en) | 2021-03-16 |
| CN112502869B CN112502869B (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011341315.4A Active CN112502869B (en) | 2020-11-25 | 2020-11-25 | Air filter with dust collector |
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| Country | Link |
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| CN (1) | CN112502869B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023004935A1 (en) * | 2021-07-27 | 2023-02-02 | 锐奇控股股份有限公司 | Filtering and dedusting device and electric tool |
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| CN112502869B (en) | 2022-01-28 |
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