CN114392620B - Filter element structure and process capable of reducing filter element gap and improving purification efficiency - Google Patents
Filter element structure and process capable of reducing filter element gap and improving purification efficiency Download PDFInfo
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- CN114392620B CN114392620B CN202210029005.1A CN202210029005A CN114392620B CN 114392620 B CN114392620 B CN 114392620B CN 202210029005 A CN202210029005 A CN 202210029005A CN 114392620 B CN114392620 B CN 114392620B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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Abstract
The invention relates to the technical field of filter elements, in particular to a filter element structure and a process capable of reducing filter element gaps and improving purification efficiency, the filter element structure comprises a filter shell, wherein a filter element assembly is arranged in the middle of the inner wall of the filter shell, the filter element assembly comprises an outer honeycomb cylinder and an inner honeycomb cylinder, a filling cavity is arranged between the outer honeycomb cylinder and the inner honeycomb cylinder, activated carbon is filled in the filling cavity, an inner partition plate is connected in the middle of the inner wall of the inner honeycomb cylinder in a sliding manner, external threads are arranged at the top of the outer wall of the inner honeycomb cylinder, a compression ring is arranged at the top of the filling cavity, internal threads matched with the external threads are arranged on the inner wall of the compression ring, the compression ring is matched with the filling cavity, the compression ring moves downwards along the outer wall of the inner honeycomb cylinder, the ends of the filling cavity are sealed, and simultaneously the activated carbon is compacted, so that the gaps between the activated carbon are reduced, the adsorption efficiency of the activated carbon to the dirty air is improved, and the activated carbon filled in the structure can fully contact the dirty air passing through.
Description
Technical Field
The invention relates to the technical field of filter elements, in particular to a filter element structure and a process capable of reducing filter element gaps and improving purification efficiency.
Background
The air filter element is one of filter assemblies, and is mainly used for filtering air in engineering locomotives, automobiles, agricultural locomotives, laboratories, sterile operation rooms and various precision operation rooms.
Indoor filter core has very big clearance, and when dirty air passed through, the dirt in the air can't be adsorbed by active carbon completely, therefore leads to single filtration efficiency low, and the phenomenon of blocking can appear in filter core utility time process, leads to the filtration efficiency of filter core to reduce, perhaps can't use, influences the normal use of filter core.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a filter element structure and a process, which can reduce the gap of a filter element and improve the purification efficiency.
The technical scheme adopted by the invention for solving the technical problem is as follows: the utility model provides a can reduce filter core space and improve purification efficiency's filter core structure, which comprises a filter housing, filter shell inner wall middle part is equipped with filter element group spare, filter element group spare includes an outer honeycomb section of thick bamboo and an interior honeycomb section of thick bamboo, be equipped with the packing chamber between an outer honeycomb section of thick bamboo and the interior honeycomb section of thick bamboo, it has active carbon to fill the intracavity packing, the inner wall middle part sliding connection of an interior honeycomb section of thick bamboo has interior baffle, the last fixed surface of interior baffle is connected with the sponge, interior honeycomb section of thick bamboo outer wall top is equipped with the external screw thread, it is equipped with the clamp ring to fill the chamber top, the clamp ring inner wall be equipped with the internal thread with external screw thread looks adaptation, the clamp ring sets up with filling the chamber cooperation.
Concretely, the outer collecting vat of outer honeycomb section of thick bamboo's outer wall bottom fixedly connected with, outer collecting vat supports tightly the setting with filter housing's inner wall, inner honeycomb section of thick bamboo inner wall bottom fixedly connected with adduction groove, be equipped with expanding spring between adduction groove and the inner baffle lower surface, the bottom of collecting vat including expanding spring's one end fixed connection, expanding spring's other end fixed connection is at the lower surface of inner baffle, filter housing's inner wall is equipped with supports the groove, support the inslot and be equipped with the middle part scraping ring, middle part scraping ring outer wall and support groove lateral wall sliding connection, middle part scraping ring inner wall and outer honeycomb section of thick bamboo outer wall sliding connection.
Specifically, be equipped with return spring between middle part scraping ring and the outer collecting vat, return spring's one end fixed connection is in outer collecting vat bottom, and return spring's other end fixed connection is at the lower surface of middle part scraping ring.
Specifically, the fixed cover in outer wall top of an outer honeycomb section of thick bamboo is equipped with the upper seal ring, and the upper seal ring supports tight setting with filter housing's inner wall, forms the circulation chamber between filter housing inner wall and the outer honeycomb section of thick bamboo, filter housing's inner wall top fixedly connected with HEPA filter screen.
Specifically, the top regulation of filter housing is connected with a plurality of supporting spring, and supporting spring's upper end fixedly connected with hood, the hood is arranged in directly over filter housing, and a plurality of inlet ports have been seted up to the hood lateral wall, and the inlet port lateral wall is connected with air-inlet grille.
Specifically, the top of the filter shell is provided with a plurality of connecting holes, the connecting holes are communicated with the supporting grooves, a transmission rod is arranged in each connecting hole, the transmission rod is connected with the inner wall of each connecting hole in a sliding mode, the top of each transmission rod is fixedly connected to the lower surface of the top cap, and the lower end of each transmission rod is fixedly connected to the upper surface of the middle scraping ring.
Specifically, be equipped with the filter screen that admits air between hood and the filter housing inner wall, the outer wall at filter housing is connected to the filter housing one end fixed connection that admits air filter screen, and the other end fixed connection that admits air filter screen is at the inner wall of hood, filter housing's outer wall fixedly connected with collection ash groove, and the collection ash groove is arranged in and is admitted air under the filter screen.
Specifically, the inner wall fixedly connected with fan of filter housing, the fan is arranged in under the outer collecting vat, the lower surface middle part fixedly connected with telescopic link of fan, the base is stabilized to the lower extreme fixedly connected with of telescopic link.
Specifically, the inner wall of the inner collection groove is fixedly connected with a fixed column, the middle of the fixed column is fixedly connected with a spice box, the upper end of the inner wall of the spice box is rotatably connected with a rotating cover, the lower surface of the inner partition plate is fixedly connected with a push rod, and the lower end of the push rod is in contact with the upper surface of the rotating cover.
A processing technology of a filter element structure comprises the following specific steps:
s1, injection molding an outer honeycomb cylinder, an inner honeycomb cylinder, a filter shell, an outer collecting tank and an inner partition plate;
s2, placing the inner honeycomb cylinder in the middle of the outer honeycomb cylinder and fixing the inner honeycomb cylinder by fixing glue;
s3, filling activated carbon in a filling cavity between the outer honeycomb cylinder and the inner honeycomb cylinder, wherein the activated carbon between the outer honeycomb cylinder and the inner honeycomb cylinder is filled in a carbon sticking and carbon filling mode;
s4: the filling cavity is sealed by a compression ring;
s5: the inner partition plate is adhered to the middle part of the inner honeycomb cylinder through the adhesive;
s6: and welding the outer collecting groove at the bottom of the outer honeycomb cylinder, connecting the outer collecting groove with the inner wall of the filter shell, and sealing.
The invention has the beneficial effects that:
(1) according to the filter element structure and the process for reducing the filter element gap and improving the purification efficiency, firstly, carbon is adhered in the filling cavity, so that the activated carbon is intensively filled in the upper side wall of the cavity as much as possible to form a layout with the dense upper part and the sparse lower part, then the middle part of the filling cavity is filled by filling the carbon through the end part of the filling cavity, after the carbon filling process, the compression ring moves downwards along the outer wall of the inner honeycomb cylinder to seal the end part of the filling cavity, and simultaneously, the activated carbon is compacted, so that the gap between the activated carbon is reduced, the adsorption efficiency of dirty air is improved, the activated carbon filled by the structure can fully contact the passing dirty air, and the dirty air can fully contact the surface of the activated carbon when passing through, so that the full utilization is realized.
(2) According to the filter element structure and the process, when air enters through the middle of the inner honeycomb cylinder, the inner partition plate plays a role in blocking, the inner honeycomb cylinder plays a role in supporting through the arrangement of the inner partition plate, the stability of the inner honeycomb cylinder is improved, the air enters the circulation cavity through the inner honeycomb cylinder and the outer honeycomb cylinder on two sides of the inner partition plate under the blocking of the inner partition plate, the air is filtered in the process, and the air enters the circulation cavity and then passes through the outer honeycomb cylinder and the inner honeycomb cylinder once to enter the inner honeycomb cylinder, so that the secondary filtering of the air is realized, the filtering effect is improved, the full utilization is realized, and the waste is reduced.
(3) According to the filter element structure and the process, larger particles in air are preliminarily filtered through the air inlet grille and the air inlet filter screen, the filtering efficiency is improved, when excessive dust is accumulated on the outer wall of the air inlet filter screen, the top cap can be shaken up and down, so that the dust falls into the dust collecting groove, the dust is convenient to collect and treat, partial dust is reduced by arranging the air inlet grille and the air inlet filter screen, the blockage of the outer honeycomb cylinder and the inner honeycomb cylinder is reduced, and the filtering efficiency is further improved.
(4) According to the filter element structure and the process, the gap of the filter element can be reduced, the purification efficiency is improved, the lower end of the transmission rod pushes the middle scraping ring to slide along the outer wall of the outer honeycomb cylinder, the outer wall of the outer honeycomb cylinder is cleaned, the outer honeycomb cylinder is further prevented from being blocked, and the effect of improving the filtration is achieved.
(5) Through setting up the interior baffle for can disperse the air current among the air purification process, can carry out the cleanness of filter core inner wall again simultaneously, guarantee the inside purification efficiency of filter core. Meanwhile, the opening angle of the spice box can be controlled in the downward moving process, so that the amount of the spices can adapt to the change of different purifying wind power, moderate aroma is ensured, and the spices can be reasonably used. When the purifier does not work, the spice box can be automatically closed, and the spice is not easy to lose.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic perspective view of a filter element structure and a process for reducing the gap between filter elements and improving the purification efficiency.
Fig. 2 is a cross-sectional view of fig. 1 provided in accordance with the present invention.
Fig. 3 is a perspective view of a filter element assembly provided by the present invention.
Fig. 4 is a cross-sectional view of fig. 3 provided by the present invention.
Fig. 5 is an enlarged view of a portion a of fig. 2 according to the present invention.
Fig. 6 is an enlarged view of the invention at B in fig. 2.
Fig. 7 is an enlarged view of the invention at C in fig. 4.
In the figure: 1. a filter housing; 11. an ash collecting groove; 12. a support groove; 13. a circulation chamber; 2. a top cap; 21. an air intake grille; 22. a support spring; 23. an air inlet filter screen; 24. a transmission rod; 3. a telescopic rod; 4. a stabilizing base; 5. a fan; 6. a filter element assembly; 61. an outer honeycomb cylinder; 62. an inner honeycomb cylinder; 621. an external thread; 63. An upper seal ring; 64. a middle scraping ring; 65. an outer collection tank; 651. an inner collection trough; 66. an inner partition plate; 661. Sponge; 67. filling the cavity; 68. a return spring; 69. a compression ring; 691. an internal thread; 7. a fragrance box; 71. fixing the column; 72. rotating the cover; 73. a push rod; 74. a tension spring; 9. HEPA filter screen.
Detailed Description
The present invention will be further described with reference to the following detailed description so that the technical means, the creation features, the achievement purposes and the effects of the present invention can be easily understood.
As shown in fig. 1-7, a filter element structure capable of reducing filter element gap and improving purification efficiency comprises a filter housing 1, a filter element assembly 6 is arranged in the middle of the inner wall of the filter housing 1, the filter element assembly 6 comprises an outer honeycomb cylinder 61 and an inner honeycomb cylinder 62, a filling cavity 67 is arranged between the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62, activated carbon is filled in the filling cavity 67, an inner partition plate 66 is slidably connected in the middle of the inner wall of the inner honeycomb cylinder 62, a sponge 661 is fixedly connected to the upper surface of the inner partition plate 66, an external thread 621 is arranged on the top of the outer wall of the inner honeycomb cylinder 62, a compression ring 69 is arranged on the top of the filling cavity 67, an internal thread 691 matched with the external thread 621 is arranged on the inner wall of the compression ring 69, the compression ring 69 is matched with the filling cavity 67, the inner honeycomb cylinder 62 is supported by the arrangement of the inner partition plate 66, the stability of the inner honeycomb cylinder 62 is increased, carbon is firstly adhered in the filling cavity 67, so that the activated carbon is concentrated as much as possible to fill the upper side wall of the cavity 67, and a dense upper and sparse lower layout is formed, then, filling carbon through the end of the filling cavity 67 to fill the middle of the filling cavity 67, after the carbon filling process, rotating the clamp ring 69, so that the internal thread 691 is engaged with the external thread 621, the clamp ring 69 moves down along the outer wall of the inner honeycomb cylinder 62, the ends of the filling cavity 67 are sealed while the activated carbon is compacted, so that the gaps between the activated carbon are reduced, the adsorption efficiency of the dirty air is improved, the activated carbon filled in the structure can fully contact the dirty air passing through, can fully contact with the active carbon surface when dirty air passes through to thereby it is extravagant to have realized thereby make full use of to reduce, sponge 661 is inside to have a lot of holes, can collect the dust downthehole through the setting of sponge 661, avoids the dust in a confused state of mind to fly.
Specifically, the bottom of the outer wall of the outer honeycomb cylinder 61 is fixedly connected with an outer collecting groove 65, the outer collecting groove 65 is tightly abutted against the inner wall of the filter housing 1, the bottom of the inner wall of the inner honeycomb cylinder 62 is fixedly connected with an inner collecting groove 651, a telescopic spring 74 is arranged between the inner collecting groove 651 and the lower surface of the inner partition 66, one end of the telescopic spring 74 is fixedly connected to the bottom of the inner collecting groove 651, the other end of the telescopic spring 74 is fixedly connected to the lower surface of the inner partition 66, the inner wall of the filter housing 1 is provided with a supporting groove 12, a middle scraping ring 64 is arranged in the supporting groove 12, the outer wall of the middle scraping ring 64 is slidably connected with the side wall of the supporting groove 12, the inner wall of the middle scraping ring 64 is slidably connected with the outer wall of the outer honeycomb cylinder 61, the lower end of the transmission rod 24 pushes the middle scraping ring 64 to slide along the outer wall of the outer honeycomb cylinder 61, cleaning of the outer honeycomb cylinder 61 is realized, and the blocking phenomenon of the outer honeycomb cylinder 61 is further avoided, thereby reached and improved filterable effect, played the installation effect through the setting of supporting groove 12, guaranteed the gliding stability of middle part scraping ring 64.
Specifically, be equipped with return spring 68 between middle part scraping ring 64 and the outer collecting vat 65, return spring 68's one end fixed connection is in outer collecting vat 65 bottom, return spring 68's other end fixed connection is at the lower surface of middle part scraping ring 64, middle part scraping ring 64 is when clearing up outer honeycomb tube 61 outer wall, the dust of scraping down will be collected through outer collecting vat 65, middle part scraping ring 64 downstream's in-process return spring 68 is compressed, when middle part scraping ring 64 got back to initial position, return spring 68 plays the helping hand effect at this in-process, the convenience connects soon.
Specifically, the fixed cover in outer wall top of outer honeycomb section of thick bamboo 61 is equipped with upper seal ring 63, upper seal ring 63 supports tightly the setting with filter housing 1's inner wall, form circulation chamber 13 between filter housing 1 inner wall and the outer honeycomb section of thick bamboo 61, filter housing 1's inner wall top fixedly connected with HEPA filter screen 9, gaseous entering into hood 2 in at first advance HEPA filter screen 9 further to gaseous the filtration that takes shape, HEPA filter screen 9 reaches 99.7% to 0.1 micron and 0.3 micron's effective rate, HEPA filter screen 9's characteristics are that the air can pass through, but tiny particle can't pass through, adsorb the oil smoke molecule through HEPA filter screen 9 simultaneously, make the filter effect superior.
Specifically, a plurality of supporting springs 22 are connected to the top of the filter housing 1 in a prescribed manner, the upper ends of the supporting springs 22 are fixedly connected with a top cap 2, the top cap 2 is arranged right above the filter housing 1, a plurality of air inlet holes are formed in the side wall of the top cap 2, an air inlet grille 21 is connected to the side wall of each air inlet hole, air enters from the air inlet grille 21 on the side wall of the top cap 2 and an air inlet filter screen 23 at the bottom of the top cap 2, larger particles (such as dust, smoke and the like) in the air are preliminarily filtered through the air inlet grille 21 and the air inlet filter screen 23, the filtering efficiency is improved, when the dust is excessively accumulated on the outer wall of the air inlet filter screen 23, the top cap 2 can be shaken up and down, so that the dust falls into the dust collecting groove 11, the dust is convenient to collect and treat, partial dust entering is reduced through the arrangement of the air inlet grille 21 and the air inlet filter screen 23, and the blockage of the outer honeycomb tube 61 and the inner honeycomb tube 62 is reduced, further improving the filtering efficiency.
Specifically, filter housing 1 top is equipped with a plurality of connecting holes, the connecting hole link up with support groove 12 and sets up, be equipped with transfer line 24 in the connecting hole, transfer line 24 and connecting hole inner wall sliding connection, the top fixed connection of transfer line 24 is at the lower surface of hood 2, the lower extreme fixed connection of transfer line 24 is at the upper surface of middle part scraping ring 64, press hood 2 downwards, hood 2 moves down the in-process and promotes transfer line 24 along connecting hole downstream in step, supporting spring 22 is compressed this moment, the lower extreme of transfer line 24 promotes middle part scraping ring 64 and slides along the outer wall of outer honeycomb section of thick bamboo 61, the outer wall of outer honeycomb section of thick bamboo 61 has been realized clearing up, further outer honeycomb section of thick bamboo 61 has been avoided appearing blocking phenomenon, thereby reached and improved filterable effect.
Specifically, an air inlet filter screen 23 is arranged between the top cap 2 and the inner wall of the filter shell 1, one end of the air inlet filter screen 23 is fixedly connected to the outer wall of the filter shell 1, the other end of the air inlet filter screen 23 is fixedly connected to the inner wall of the top cap 2, an ash collecting groove 11 is fixedly connected to the outer wall of the filter shell 1, the ash collecting groove 11 is arranged right below the air inlet filter screen 23, air enters from an air inlet grille 21 on the side wall of the top cap 2 and the air inlet filter screen 23 at the bottom of the top cap 2, larger particles (such as dust, smoke and the like) in the air are primarily filtered through the air inlet grille 21 and the air inlet filter screen 23, the filtering efficiency is improved, when excessive dust is accumulated on the outer wall of the air inlet filter screen 23, the top cap 2 can be shaken up and down, so that the dust falls into the ash collecting groove 11, and the collection and treatment of the dust are facilitated, and the entrance of part of the dust is reduced through the arrangement of the air inlet grille 21 and the air inlet filter screen 23, the blockage of the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62 is reduced, and the filtering efficiency is further improved.
Specifically, the fan 5 is fixedly connected to the inner wall of the filter housing 1, the fan 5 is arranged right below the outer collecting groove 65, the telescopic rod 3 is fixedly connected to the middle of the lower surface of the fan 5, the stabilizing base 4 is fixedly connected to the lower end of the telescopic rod 3, the stabilizing base 4 and the telescopic rod 3 play a supporting role, the extension and the shortening of the telescopic rod 3 are controlled to adjust the height of the filter housing 1, so that the height of the filter housing 1 is proper in the working process of the filter housing 1, the fan 5 is started, gas in the filter housing 1 is discharged from the bottom of the filter housing 1 in the rotating process of the fan 5, the gas enters from the air inlet grille 21 on the side wall of the top cap 2 and the air inlet filter screen 23 at the bottom of the top cap 2, larger particles (such as dust, smoke oil and the like) in the air are preliminarily filtered through the air inlet grille 21 and the air inlet filter screen 23, and the filtering efficiency is improved.
Specifically, the inner wall of the inner collection groove 651 is fixedly connected with a fixed column 71, the middle part of the fixed column 71 is fixedly connected with a perfume box 7, the upper end of the inner wall of the perfume box 7 is rotatably connected with a rotating cover 72, the lower surface of an inner partition 66 is fixedly connected with a push rod 73, the lower end of the push rod 73 is in contact with the upper surface of the rotating cover 72, when air enters through the middle part of the inner honeycomb cylinder 62, the inner partition 66 plays a role in blocking, the inner honeycomb cylinder 62 is supported by the arrangement of the inner partition 66, the stability of the inner honeycomb cylinder 62 is improved, a plurality of holes are formed in a sponge 661, dust can be collected in the holes by the arrangement of the sponge 661, the dust is prevented from flying in disorder, the inner partition 66 is pushed by the air to move downwards, a telescopic spring 74 is compressed, the push rod 73 is pushed to move downwards while the inner partition 66 moves downwards, the push rod 73 pushes the rotating cover 72 to rotate while moving downwards, and the perfume in the perfume box 7 is emitted, so that the quality of the purified gas is improved, when the fan 5 is turned off, the extension spring 74 pushes the inner partition 66 back to the initial position, the inner partition 66 simultaneously drives the push rod 73 to move upward to the initial state, and the rotating cover 72 rotates to the initial position.
A processing technology of a filter element structure comprises the following specific steps:
s1, injection molding the outer honeycomb cylinder 61, the inner honeycomb cylinder 62, the filter shell 1, the outer collecting tank 65 and the inner partition plate 66;
s2, placing the inner honeycomb cylinder 62 in the middle of the outer honeycomb cylinder 61 and fixing through fixing glue;
s3, filling activated carbon into the filling cavity 67 between the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62, wherein the activated carbon between the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62 is filled in a carbon sticking and carbon filling mode;
s4: the filling chamber 67 is closed by a clamping ring 69;
s5: the inner partition plate 66 is adhered to the middle part of the inner honeycomb tube 62 through glue;
s6: the outer catch tank 65 is welded to the bottom of the outer honeycomb cylinder 61, and the outer catch tank 65 is connected to the inner wall of the filter housing 1 and sealed.
The theory of operation, at first glue carbon to filling in the chamber 67, make activated carbon concentrate as far as possible and fill the upper portion lateral wall of chamber 67, it is intensive to form the top, the sparse overall arrangement in below, then the tip of filling chamber 67 fills the middle part that the carbon will fill chamber 67 and fills, fill behind the carbon process, rotate clamp ring 69, make internal thread 691 and external screw thread 621 cooperation, clamp ring 69 is along 62 outer wall downstream of interior honeycomb section of thick bamboo, seal the tip of filling chamber 67, simultaneously carry out the compaction with activated carbon, thereby make the clearance between the activated carbon reduce, the adsorption efficiency to dirty air improves, dirty air that the activated carbon that this kind of structure was filled can abundant contact and pass through, can be with activated carbon surface fully contact when dirty air passes through, reach the adsorption effect, thereby realize make full use of waste reduction.
The stabilizing base 4 and the telescopic rod 3 play a supporting role, the height of the filter shell 1 can be adjusted by controlling the extension and the shortening of the telescopic rod 3, so that the height of the filter shell 1 is proper in the working process of the filter shell 1, the fan 5 is started, the air in the filter shell 1 is discharged from the bottom of the filter shell 1 in the rotating process of the fan 5, the air enters from the air inlet grille 21 on the side wall of the top cap 2 and the air inlet filter screen 23 at the bottom of the top cap 2, larger particles (such as dust, smoke oil and the like) in the air are preliminarily filtered through the air inlet grille 21 and the air inlet filter screen 23, the filtering efficiency is improved, when the dust is excessively accumulated on the outer wall of the air inlet filter screen 23, the top cap 2 can be shaken up and down, so that the dust falls into the dust collecting groove 11, the collection and the treatment of the dust are convenient, the entering of partial dust is reduced through the arrangement of the air inlet grille 21 and the air inlet filter screen 23, the blockage of the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62 is reduced, the filtering efficiency is further improved.
Gaseous entering is advanced the shape and is filtered gas that at first advance HEPA filter screen 9 is further in hood 2, and HEPA filter screen 9 reaches 99.7% to 0.1 micron and 0.3 micron's efficient rate, and HEPA filter screen 9's characteristics are that the air can pass through, but tiny particle is unable but to pass through, adsorbs the oil smoke molecule through HEPA filter screen 9 simultaneously for the filter effect is superior.
When air enters from the middle of the inner honeycomb cylinder 62, the inner partition plate 66 plays a role in blocking, the inner honeycomb cylinder 62 is supported through the arrangement of the inner partition plate 66, the stability of the inner honeycomb cylinder 62 is improved, a plurality of holes exist in the sponge 661, dust can be collected in the holes through the arrangement of the sponge 661, dust is prevented from flying in a mess, the air pushes the inner partition plate 66 to move downwards, the expansion spring 74 is compressed, the push rod 73 is pushed to move downwards while the inner partition plate 66 moves downwards, the rotary cover 72 is pushed to rotate while the push rod 73 moves downwards, fragrance in the fragrance box 7 is emitted, the quality of purified air is improved, when the fan 5 is turned off, the expansion spring 74 pushes the inner partition plate 66 to return to the initial position, the inner partition plate 66 simultaneously drives the push rod 73 to move upwards to the initial state, and the rotary cover 72 rotates to the initial position.
In the circulation chamber 13, the gas enters through the inner honeycomb cylinder 62 and the outer honeycomb cylinder 61 on the two sides of the inner partition plate 66 under the blocking of the inner partition plate 66, the air is filtered in the process, the gas enters the circulation chamber 13 and then passes through the outer honeycomb cylinder 61 and the inner honeycomb cylinder 62 to enter the inner honeycomb cylinder 62, the secondary filtering of the gas is realized, the filtering effect is improved, and the full utilization is realized, so that the waste is reduced. The top cap 2 is pressed downwards, the transmission rod 24 is pushed to move downwards along the connecting hole synchronously in the downward movement process of the top cap 2, the supporting spring 22 is compressed at the moment, the lower end of the transmission rod 24 pushes the middle scraping ring 64 to slide along the outer wall of the outer honeycomb cylinder 61, the outer wall of the outer honeycomb cylinder 61 is cleaned, the blockage phenomenon of the outer honeycomb cylinder 61 is further avoided, and the effect of improving the filtering is achieved.
The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a can reduce filter core space and improve purification efficiency's filter core structure which characterized in that: the filter element assembly comprises a filter shell (1), wherein a filter element assembly (6) is arranged in the middle of the inner wall of the filter shell (1), the filter element assembly (6) comprises an outer honeycomb cylinder (61) and an inner honeycomb cylinder (62), a filling cavity (67) is formed between the outer honeycomb cylinder (61) and the inner honeycomb cylinder (62), activated carbon is filled in the filling cavity (67), the middle of the inner wall of the inner honeycomb cylinder (62) is connected with an inner partition plate (66) in a sliding manner, the upper surface of the inner partition plate (66) is fixedly connected with a sponge (661), external threads (621) are arranged at the top of the outer wall of the inner honeycomb cylinder (62), a compression ring (69) is arranged at the top of the filling cavity (67), internal threads (691) matched with the external threads (621) are arranged on the inner wall of the compression ring (69), and the compression ring (69) is matched with the filling cavity (67);
the bottom of the outer wall of the outer honeycomb cylinder (61) is fixedly connected with an outer collecting groove (65), the outer collecting groove (65) is tightly abutted to the inner wall of the filter shell (1), the bottom of the inner wall of the inner honeycomb cylinder (62) is fixedly connected with an inner collecting groove (651), an expansion spring (74) is arranged between the inner collecting groove (651) and the lower surface of the inner partition plate (66), one end of the expansion spring (74) is fixedly connected to the bottom of the inner collecting groove (651), the other end of the expansion spring (74) is fixedly connected to the lower surface of the inner partition plate (66), the inner wall of the filter shell (1) is provided with a support groove (12), a middle scraping ring (64) is arranged in the support groove (12), the outer wall of the middle scraping ring (64) is in sliding connection with the side wall of the support groove (12), and the inner wall of the middle scraping ring (64) is in sliding connection with the outer wall of the outer honeycomb cylinder (61);
an upper sealing ring (63) is fixedly sleeved at the top of the outer wall of the outer honeycomb cylinder (61), the upper sealing ring (63) is tightly abutted against the inner wall of the filter shell (1), a circulating cavity (13) is formed between the inner wall of the filter shell (1) and the outer honeycomb cylinder (61), and an HEPA filter screen (9) is fixedly connected at the top of the inner wall of the filter shell (1);
the inner wall of the inner collection groove (651) is fixedly connected with a fixing column (71), the middle of the fixing column (71) is fixedly connected with a spice box (7), the upper end of the inner wall of the spice box (7) is rotatably connected with a rotating cover (72), the lower surface of the inner partition plate (66) is fixedly connected with a push rod (73), and the lower end of the push rod (73) is in contact with the upper surface of the rotating cover (72).
2. A filter element arrangement according to claim 1 wherein the filter element has a reduced filter element void and improved cleaning efficiency, wherein: a return spring (68) is arranged between the middle scraping ring (64) and the outer collecting groove (65), one end of the return spring (68) is fixedly connected to the bottom of the outer collecting groove (65), and the other end of the return spring (68) is fixedly connected to the lower surface of the middle scraping ring (64).
3. A filter element construction for reducing filter element spacing and improving cleaning efficiency according to claim 2, wherein: the filter is characterized in that the top of the filter shell (1) is fixedly connected with a plurality of supporting springs (22), the upper ends of the supporting springs (22) are fixedly connected with a top cap (2), the top cap (2) is arranged right above the filter shell (1), a plurality of air inlet holes are formed in the side wall of the top cap (2), and the side wall of each air inlet hole is connected with an air inlet grille (21).
4. A filter element construction for reducing filter element spacing and improving cleaning efficiency according to claim 3, wherein: the filter is characterized in that a plurality of connecting holes are formed in the top of the filter shell (1), the connecting holes are communicated with the supporting grooves (12), a transmission rod (24) is arranged in each connecting hole, the transmission rod (24) is connected with the inner wall of each connecting hole in a sliding mode, the top of the transmission rod (24) is fixedly connected to the lower surface of the top cap (2), and the lower end of the transmission rod (24) is fixedly connected to the upper surface of the middle scraping ring (64).
5. A filter element arrangement according to claim 4, wherein the filter element has a reduced filter element void and improved cleaning efficiency, and wherein: be equipped with between hood (2) and filter housing (1) inner wall and admit air filter screen (23), admit air filter screen (23) one end fixed connection is at the outer wall of filter housing (1), and the other end fixed connection of filter screen (23) that admits air is at the inner wall of hood (2), and the outer wall fixedly connected with ash collection groove (11) of filter housing (1), ash collection groove (11) are arranged in and are admitted air filter screen (23) under.
6. A filter element arrangement according to claim 5, wherein the filter element has a reduced filter element void and improved cleaning efficiency, and wherein: inner wall fixedly connected with fan (5) of filter housing (1), under outer collecting vat (65) was arranged in fan (5), the lower surface middle part fixedly connected with telescopic link (3) of fan (5), the lower extreme fixedly connected with of telescopic link (3) stabilize base (4).
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