CN109758849B - Air purification equipment with filter core ash removal function - Google Patents

Air purification equipment with filter core ash removal function Download PDF

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Publication number
CN109758849B
CN109758849B CN201910134852.2A CN201910134852A CN109758849B CN 109758849 B CN109758849 B CN 109758849B CN 201910134852 A CN201910134852 A CN 201910134852A CN 109758849 B CN109758849 B CN 109758849B
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section
inner cylinder
filter element
main shell
movable inner
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CN109758849A (en
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冯艳
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Kongjing Vision Intelligent Technology Co ltd
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Guangdong Health Association Guangdong Environmental Technology Co ltd
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Abstract

The invention discloses air purification equipment with a filter element ash removal function, which relates to the technical field of air purification equipment and at least comprises a main shell, a movable inner cylinder, a fan and a filter element, wherein the movable inner cylinder is arranged in the main shell and can move back and forth along the axis direction of the main shell, and a push-pull mechanism for driving the movable inner cylinder to move is arranged in the main shell. The invention provides air purification equipment with a filter element ash removal function and capable of prolonging the service life of a filter element, aiming at solving the problems that the existing air purification equipment does not have the filter element ash removal function and the air purification effect is influenced due to long service time.

Description

Air purification equipment with filter core ash removal function
Technical Field
The invention relates to the technical field of air purification equipment, in particular to air purification equipment with a filter element ash removal function.
Background
In daily life, common air purification equipment air purifier, its theory of operation utilizes the fan to inhale indoor air to the air purifier shell in, lets the air that adsorbs to have the dust filter through the filter core, and the air discharge after will filtering again returns to indoor.
This kind of air purification equipment has used for a long time, and the one side of the enterprising air of filter core can adsorb more dust, and the dust is thicker can influence its air purification's effect more, and this kind of air purification equipment does not often have the function that the filter core removed dust again.
Disclosure of Invention
The invention provides air purification equipment with a filter element ash removal function and capable of prolonging the service life of a filter element, aiming at solving the problems that the existing air purification equipment does not have the filter element ash removal function and the air purification effect is influenced due to long service time.
In order to achieve the purpose, the invention adopts the following technical scheme: an air purifying device with a filter element ash removing function at least comprises a main shell, a movable inner cylinder, a fan and a filter element, wherein the movable inner cylinder is arranged in the main shell and can move back and forth along the axis direction of the main shell;
the main shell sequentially comprises a sealing section, an air inlet section, a positioning section and a dust removal section from front to back, the sealing section, the air inlet section, the positioning section and the dust removal section are all cylindrical, a vent a is arranged at one end port, close to the sealing section, of the main shell, and the end port, close to the dust removal section, of the main shell is sealed; the outer wall of the air inlet section is provided with an air vent a; the positioning section is provided with a clamping mechanism which can be clamped and fixed with a wall hole on the wall body; the outer wall of the dust removing section is provided with a dust outlet;
the movable inner cylinder comprises a translation section and a rotation section from front to back, the translation section and the rotation section are both cylindrical and are coaxially arranged, a vent hole b is formed in the outer wall of the rotation section, the translation section and the rotation section are coaxially arranged, the head and the tail of the translation section and the tail of the rotation section are connected through a rotating mechanism, the other end of the translation section is connected with a push-pull mechanism and is provided with a vent hole b, a sealing end cover is arranged at the other end of the rotation section, the rotation section can rotate along the axis of the rotation section, and the filter element is sleeved on the outer wall of the rotation section;
the fan is positioned in the movable inner cylinder and is relatively fixed with the main shell through the positioning bracket;
when the push-pull mechanism is in a retraction state, the rotating section of the movable inner cylinder and the filter element are positioned in the air inlet section of the main shell, and the translation section of the movable inner cylinder is positioned in the sealing section of the main shell;
when the push-pull mechanism is in an extending state, the rotating section of the movable inner cylinder and the filter element are positioned in the dust removal section of the main shell, and the translation section of the movable inner cylinder is positioned in the air inlet section of the main shell.
Preferably, the push-pull mechanism is an electric push rod.
Preferably, the rotating mechanism between the head and the tail of the translation section and the rotating section is a rolling bearing.
Preferably, the clamping mechanism on the positioning section comprises a fixed convex ring and a movable convex ring, the fixed convex ring and the outer wall of the positioning section are integrally formed, the movable convex ring and the outer wall of the positioning section are fixed through threads, and an accommodating interval of a wall hole is reserved between the fixed convex ring and the movable convex ring.
Preferably, a magnetic ring is fixed at the outer end of the sealing end cover, the magnetic ring and the rotating section are coaxially arranged, a motor is fixed at one end of the main shell close to the dust removal section, a rotating shaft of the motor is arranged towards the movable inner cylinder, and a magnetic block capable of being inserted into the magnetic ring is fixed on the rotating shaft of the motor.
As preferred, the dust removal section outside of the main casing body is equipped with an album ash shell, it is fixed through screw-thread fit between ash collection shell and the main casing body, leaves the clearance that is used for the dust to flow between ash collection shell inner wall and the main casing body outer wall, and the lower part of ash collection shell is equipped with an ash outlet, the edge of ash outlet turns over outwards to roll over and extends and form a pair of takeover, be connected with a detachable collection ash section of thick bamboo on the butt joint pipe, be equipped with a filter screen in the collection ash section of thick bamboo.
Preferably, the inner side of the joint of the sealing section and the air inlet section and the inner side of the joint of the air inlet section and the positioning section are both provided with baffle rings.
Therefore, the invention has the following beneficial effects: 1. the filter core is provided with a movable inner cylinder which can transversely move in the main shell, and can be switched between a shell cavity with a purification function and a shell cavity with an ash removal function; 2. the dust collecting shell and the dust collecting cylinder are arranged, so that the removed dust can be collected, and the outdoor atmosphere cannot be polluted; 3. through the positive and negative electric fan, a rotation direction can be used for air purification, and another rotation direction can be used for detaching the dust of the filter element, thereby achieving the effect of dual-purpose.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is an exploded view from another perspective of the present invention.
Fig. 4 is a sectional view showing a state of purifying air according to the present invention.
FIG. 5 is a cross-sectional view of the filter element of the present invention in an ash-removed condition.
Fig. 6 is an enlarged view at a in fig. 5.
Fig. 7 is an enlarged view at b in fig. 5.
Fig. 8 is a schematic structural view of the positioning section of the main casing in the present invention.
FIG. 9 is a schematic view of the structure of one end of the movable inner cylinder in the present invention.
Fig. 10 is a schematic view of the structure of the end cap of the present invention.
1: a main housing; 101: a sealing section; 102: an air inlet section; 103: a positioning section; 104: a dust removal section; 105: a vent hole a; 106: a vent port a; 107: a dust outlet; 108: a baffle ring; 2: moving the inner cylinder; 201: a translation section; 202: a rotating section; 203: a vent b; 204: a vent hole b; 205: sealing the end cap; 206: positioning the bracket; 207: a rotating mechanism; 208: a magnetic ring; 209: a magnetic block; 3: a fan; 4: a filter element; 5: a push-pull mechanism; 6: a dust collecting shell; 601: an ash outlet; 602: butt-joint pipes; 7: a dust collecting cylinder; 701: a filter screen; 8: a clamping mechanism; 801: fixing the convex ring; 802: a movable convex ring; 9: a wall body; 901: wall holes; 10: an electric motor.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
An air purification device with a filter element ash removal function at least comprises a main shell 1, a movable inner cylinder 2, a fan 3 and a filter element 4, wherein the movable inner cylinder 2 is arranged in the main shell 1 and can move back and forth along the axis direction of the main shell 1, a push-pull mechanism 5 for driving the movable inner cylinder 2 to move is arranged in the main shell 1, and the push-pull mechanism 5 is an electric push rod.
Main casing body 1 is by going to back and including seal segment 101, air inlet section 102, location section 103 and dust removal section 104 in proper order, seal segment 101, air inlet section 102, location section 103 and dust removal section 104 are cylindricly, and the one end port that leans on seal segment 101 on main casing body 1 is equipped with vent a105, and the one end port that leans on dust removal section 104 is sealed. The outer wall of the air inlet section 102 is provided with an air vent a 106. The positioning section 103 is provided with a clamping mechanism 8 which can be clamped and fixed with the wall hole 901 on the wall body 9, the clamping mechanism 8 on the positioning section 103 comprises a fixed convex ring 801 and a movable convex ring 802, the fixed convex ring 801 and the outer wall of the positioning section 103 are integrally formed, the movable convex ring 802 and the outer wall of the positioning section 103 are fixed through threads, and an accommodating interval of the wall hole 901 is reserved between the fixed convex ring 801 and the movable convex ring 802. The outer wall of the dust removing section 104 is provided with a dust outlet 107.
The movable inner cylinder 2 comprises a translation section 201 and a rotation section 202 from front to back, the translation section 201 and the rotation section 202 are both cylindrical, a vent hole b203 is formed in the outer wall of the rotation section 202, the translation section 201 and the rotation section 202 are coaxially arranged and are connected end to end through a rotating mechanism 207, the rotating mechanism 207 is a rolling bearing, the other end of the translation section 201 is connected with a push-pull mechanism 5 and is provided with a vent hole b204, a sealing end cover 205 is arranged at the other end of the rotation section 202, the sealing end cover 205 is detachably connected with the rotation section 202, the rotation section 202 can rotate along the axis of the rotation section, the sealing end cover 205 can drive the rotation section 202 to rotate together, the filter element 4 is sleeved on the outer wall of the rotation section 202, and the filter element 4 can rotate together with the rotation section 202.
The fan 3 is located in the movable inner barrel 2 and is fixed relative to the main casing 1 by the positioning bracket 206.
When the push-pull mechanism 5 is in a retracted state, the rotating section 202 of the movable inner cylinder 2 and the filter element 4 are located in the air inlet section 102 of the main casing 1, and the translating section 201 of the movable inner cylinder 2 is located in the sealing section 101 of the main casing 1.
When the push-pull mechanism 5 is in an extended state, the rotating section 202 of the movable inner cylinder 2 and the filter element 4 are located in the dust removal section 104 of the main housing 1, and the translation section 201 of the movable inner cylinder 2 is located in the air intake section 102 of the main housing 1.
A magnetic ring 208 is fixed at the outer end of the sealing end cap 205, the magnetic ring 208 is coaxially arranged with the rotating section 202, a motor 10 is fixed at one end of the main housing 1 close to the dust removing section 104, the rotating shaft of the motor 10 is arranged towards the movable inner cylinder 2, and a magnetic block 209 capable of being inserted into the magnetic ring 208 is fixed on the rotating shaft of the motor 10. When the magnetic block 209 is inserted into the magnetic ring 208, the motor 10 can drive the magnetic block 209 and the magnetic ring 208 to rotate simultaneously, so as to drive the rotating section 202 and the filter element 4 to rotate together.
The dust removal section 104 outside of main casing body 1 is equipped with an album ash shell 6, it is fixed through screw-thread fit between ash shell 6 and the main casing body 1 to collect, leaves the clearance that is used for the dust to flow between 6 inner walls of ash shell and the main casing body 1 outer wall, and the lower part of collection ash shell 6 is equipped with an ash outlet 601, the edge of ash outlet 601 is outwards turned over and is rolled over and extends and form a pair of takeover 602, be connected with a detachable collection ash section of thick bamboo 7 on the butt joint pipe 602, through threaded connection between collection ash section of thick bamboo 7 and the butt joint pipe 602, be equipped with a filter screen 701 in the collection ash section of thick bamboo 7, filter screen 701 transversely sets up, is covered with a collection ash section of thick bamboo 7 hole.
The inner side of the joint of the sealing section 101 and the air inlet section 102 and the inner side of the joint of the air inlet section 102 and the positioning section 103 are respectively provided with a baffle ring 108, and the baffle rings 108 are matched with the outer wall of the movable inner barrel 2, so that the inner cavities of the sealing section 101, the air inlet section 102 and the positioning section 103 can be isolated into independent cavities as much as possible, and the cross flow of air among the cavities in the use process is reduced, and the use effect is influenced.
When the dust removing device is installed, a wall hole 901 matched with the positioning section 103 in size is formed in the wall 9, the movable convex ring 802 is taken down, the positioning section 103 of the main shell 1 is clamped in the wall hole 901 and then is returned to the movable convex ring 802, the main shell 1 is clamped and fixed on the wall 9 through the fixed convex ring 801 and the movable convex ring 802, the sealing section 101, the air inlet section 102 and the positioning section 103 of the main shell 1 are located indoors, and the dust removing section 104 is located outdoors. Finally, the dust collection shell 6 and the dust collection barrel 7 are arranged on the dust removal section 104.
When the air purifier is used in an air purification state, the push-pull mechanism 5 retracts, the rotating section 202 of the movable inner cylinder 2 and the filter element 4 are positioned in the air inlet section 102 of the main shell 1, and the translation section 201 of the movable inner cylinder 2 is positioned in the sealing section 101 of the main shell 1, as shown in fig. 4. At this time, the fan 3 is started, the air flow direction in the moving inner cylinder 2 is from the rotating section 202 to the translation section 201, and the indoor air can sequentially pass through the vent a106, the filter element 4 and the vent b203 to enter the inner cavity of the moving inner cylinder 2, when passing through the filter element 4, the dust in the air can be adsorbed and isolated on the outer wall of the filter element 4, and the purified air can be continuously discharged back to the indoor space through the vent b204 and the vent a105, so that the air purification effect is realized.
When the filter element is used in an ash removing state, the push-pull mechanism 5 extends out, the rotating section 202 of the movable inner cylinder 2 and the filter element 4 are positioned in the dust removing section 104 of the main shell 1, the translation section 201 of the movable inner cylinder 2 is positioned in the air inlet section 102 of the main shell 1, and the magnetic block 209 is inserted with the magnetic ring 208, as shown in fig. 5. At this time, the fan 3 is rotated reversely, the air flow direction in the moving inner cylinder 2 is from the translation section 201 to the rotation section 202, the indoor air can sequentially pass through the vent a105, the vent b204, the inner cavity of the moving inner cylinder 2, the vent b203, the dust outlet 107, the dust outlet 601 and the inner hole of the dust collecting cylinder 7 to be discharged to the outside, and in the air flow process of the flow direction, part of dust adsorbed on the outer wall of the filter element 4 can be taken away, and finally the part of dust is isolated on the filter screen 701 in the dust collecting cylinder 7, and during cleaning, only the dust collecting cylinder 7 needs to be detached to clean the filter screen 701. If the dust removing efficiency of the filter element 4 is further improved, the motor 10 can be started, the motor 10 drives the magnetic block 209 and the magnetic ring 208 to rotate, and further drives the rotating section 202 and the filter element 4 to rotate together, at this time, dust on the outer wall of the filter element 4 is influenced by centrifugal force generated by rotation, is more easily separated from the filter element 4, and is further brought onto the filter screen 701 in the dust collecting cylinder 7 by flowing air.

Claims (6)

1. The utility model provides an air purification equipment with filter core dusting function which characterized in that: the fan filter comprises at least a main shell (1), a movable inner cylinder (2), a fan (3) and a filter element (4), wherein the movable inner cylinder (2) is arranged in the main shell (1) and can move back and forth along the axis direction of the main shell (1), and a push-pull mechanism (5) for driving the movable inner cylinder (2) to move is arranged in the main shell (1);
the main shell (1) sequentially comprises a sealing section (101), an air inlet section (102), a positioning section (103) and a dust removal section (104) from front to back, the sealing section (101), the air inlet section (102), the positioning section (103) and the dust removal section (104) are all cylindrical, a vent hole a (105) is formed in one end port, close to the sealing section (101), of the main shell (1), and one end port, close to the dust removal section (104), of the main shell is sealed; the outer wall of the air inlet section (102) is provided with an air vent a (106); the positioning section (103) is provided with a clamping mechanism (8) which can be clamped and fixed with a wall hole (901) on a wall body (9); a dust outlet (107) is arranged on the outer wall of the dust removing section (104);
the movable inner cylinder (2) comprises a translation section (201) and a rotation section (202) from front to back, the translation section (201) and the rotation section (202) are both cylindrical, a vent hole b (203) is formed in the outer wall of the rotation section (202), the translation section (201) and the rotation section (202) are coaxially arranged, the heads and the tails of the translation section (201) and the rotation section (202) are connected through a rotating mechanism (207), the other end of the translation section (201) is connected with a push-pull mechanism (5) and provided with a vent hole b (204), a sealing end cover (205) is arranged at the other end of the rotation section (202), the rotation section (202) can rotate along the axis of the rotation section (202), and the filter element (4) is sleeved on the outer wall of the rotation section (202);
the fan (3) is positioned in the movable inner cylinder (2) and is relatively fixed with the main shell (1) through a positioning bracket (206);
when the push-pull mechanism (5) is in a retraction state, the rotating section (202) and the filter element (4) of the movable inner cylinder (2) are positioned in the air inlet section (102) of the main shell (1), the translation section (201) of the movable inner cylinder (2) is positioned in the sealing section (101) of the main shell (1), the fan (3) is started, and the air in the movable inner cylinder (2) flows from the rotating section (202) to the translation section (201);
when the push-pull mechanism (5) is in an extending state, the rotating section (202) of the movable inner cylinder (2) and the filter element (4) are positioned in the dust removal section (104) of the main shell (1), the translation section (201) of the movable inner cylinder (2) is positioned in the air inlet section (102) of the main shell (1), the fan (3) is rotated reversely, and the air in the movable inner cylinder (2) flows from the translation section (201) to the rotating section (202);
a magnetic ring (208) is fixed at the outer end of the sealing end cover (205), the magnetic ring (208) and the rotating section (202) are coaxially arranged, a motor (10) is fixed at one end, close to the dust removal section (104), in the main shell (1), the rotating shaft of the motor (10) faces the movable inner cylinder (2), and a magnetic block (209) capable of being inserted into the magnetic ring (208) is fixed on the rotating shaft of the motor (10).
2. The air cleaning device with the filter element ash removing function according to claim 1, wherein: the push-pull mechanism (5) is an electric push rod.
3. The air cleaning device with the filter element ash removing function according to claim 1, wherein: and a rotating mechanism (207) between the head and the tail of the translation section (201) and the rotating section (202) is a rolling bearing.
4. The air cleaning device with the filter element ash removing function according to claim 1, wherein: clamping mechanism (8) on location section (103) include a fixed bulge loop (801) and a activity bulge loop (802), fixed bulge loop (801) and location section (103) outer wall integrated into one piece, activity bulge loop (802) pass through the screw thread with location section (103) outer wall and fix, leave the holding interval of wall hole (901) between fixed bulge loop (801) and activity bulge loop (802).
5. The air cleaning device with the filter element ash removing function according to claim 1, wherein: the dust removal section (104) outside of the main casing body (1) is equipped with an album ash shell (6), it is fixed through screw-thread fit between collection ash shell (6) and the main casing body (1), leaves the clearance that is used for the dust to flow between collection ash shell (6) inner wall and the main casing body (1) outer wall, and the lower part of collection ash shell (6) is equipped with an ash outlet (601), the edge of ash outlet (601) is outwards rolled over and is rolled over and extend a pair of takeover (602), be connected with a detachable collection ash section of thick bamboo (7) on butt joint pipe (602), be equipped with a filter screen (701) in an album ash section of thick bamboo (7).
6. The air cleaning device with the filter element ash removing function according to claim 1, wherein: and baffle rings (108) are arranged on the inner side of the joint of the sealing section (101) and the air inlet section (102) and the inner side of the joint of the air inlet section (102) and the positioning section (103).
CN201910134852.2A 2019-02-24 2019-02-24 Air purification equipment with filter core ash removal function Active CN109758849B (en)

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Application Number Priority Date Filing Date Title
CN201910134852.2A CN109758849B (en) 2019-02-24 2019-02-24 Air purification equipment with filter core ash removal function

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Application Number Priority Date Filing Date Title
CN201910134852.2A CN109758849B (en) 2019-02-24 2019-02-24 Air purification equipment with filter core ash removal function

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CN109758849B true CN109758849B (en) 2021-12-07

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111822148A (en) * 2020-08-11 2020-10-27 广东清之源环保科技有限公司 Double-zone electrostatic air purification system and control method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826512A (en) * 1988-10-19 1989-05-02 Fuller Carmel U Self-cleaning air filter
CN104258654A (en) * 2014-09-29 2015-01-07 湖南正大轻科机械有限公司 Filter element cleaning device
CN106669315A (en) * 2016-11-22 2017-05-17 余姚市盛涞自动化机械设备有限公司 Filter drum-type welding smoke dust removal device
CN107235563A (en) * 2017-08-13 2017-10-10 贾新奎 A kind of biofilm reactor sewage-treatment plant
CN108635996A (en) * 2018-05-08 2018-10-12 冯金丽 It is a kind of can prolonging service life of filter elements air purifier

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2374935A1 (en) * 1976-12-22 1978-07-21 Rellumit Int AUTOMATIC BACK-CURRENT CLEANING FILTER
CN106039871A (en) * 2016-06-30 2016-10-26 天津市兰依科技股份有限公司 Single-machine cartridge filter with dust collecting tank
CN108993051A (en) * 2018-10-19 2018-12-14 兰溪家有环保科技有限公司 A kind of industrial dedusting equipment and its application method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826512A (en) * 1988-10-19 1989-05-02 Fuller Carmel U Self-cleaning air filter
CN104258654A (en) * 2014-09-29 2015-01-07 湖南正大轻科机械有限公司 Filter element cleaning device
CN106669315A (en) * 2016-11-22 2017-05-17 余姚市盛涞自动化机械设备有限公司 Filter drum-type welding smoke dust removal device
CN107235563A (en) * 2017-08-13 2017-10-10 贾新奎 A kind of biofilm reactor sewage-treatment plant
CN108635996A (en) * 2018-05-08 2018-10-12 冯金丽 It is a kind of can prolonging service life of filter elements air purifier

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