CN115419982A

CN115419982A - Air purifying device

Info

Publication number: CN115419982A
Application number: CN202211106813.XA
Authority: CN
Inventors: 徐皓; 谢玉燕; 张熙; 昂振; 李勇
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-02
Also published as: BE1029704B1; BE1029704A1

Abstract

The invention provides an air purification device, which comprises a base, a filter cylinder for mounting a filter element and an air outlet end cover with a fan, wherein the filter cylinder is arranged on the top surface of the base, the air outlet end cover is covered on the top of the filter cylinder, the base is provided with an air suction port and an air exhaust port, the filter cylinder is arranged on the top of the air exhaust port, a spiral air duct is arranged between the air suction port and the air exhaust port, at least one dust collection part is arranged at the position, close to the outer side wall of the spiral air duct, inside the spiral air duct, a dust collection box is also arranged inside the base, the dust collection part is communicated with the dust collection box, and dust particles entering the dust collection part enter the dust collection box through the dust collection part. The invention can collect and screen out large-particle dust contained in the sucked wind, thereby reducing the amount of dust required to be filtered by the filter element, prolonging the service life of the filter element, delaying the replacement time of the filter element and further reducing the use cost of the air purifier.

Description

Air purifying device

Technical Field

The invention relates to the technical field of air purification, in particular to an air purification device.

Background

At present, air pollution has seriously influenced people's healthy life, and the incidence of various diseases caused by air pollution is rising constantly, therefore air quality has great influence to people's quality of life, and people often adopt air purifier to filter and purify the air in the space of being located in the life, but the frequency of current air purifier change filter core is very fast and leads to use cost to be high.

Disclosure of Invention

The invention aims to provide an air purification device which can prolong the service life of a filter element in an air purifier and reduce the frequency of replacing the filter element.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: the utility model provides an air purification device, includes the base, is used for installing the air-out end cover of straining a section of thick bamboo and having the fan of filter core, strain a section of thick bamboo and install the top surface of base, air-out end cover lid closes strain the top of a section of thick bamboo, be equipped with inlet scoop and air exit on the base, it installs to strain a section of thick bamboo the top of air exit, the inlet scoop with be provided with the spiral air duct between the air exit, the inside in spiral air duct is close to the position department of spiral air duct's lateral wall is provided with at least one collection dirt part, still be provided with the collection dirt box in the base, collection dirt part with the collection dirt box intercommunication gets into dust particles in the collection dirt part can pass through collection dirt part gets into in the collection dirt box.

Furthermore, dust collecting grooves which are in one-to-one correspondence with the dust collecting parts are arranged in the dust collecting box, the dust collecting grooves are sealed and separated in a working state, and the dust collecting parts are communicated and sealed with the corresponding dust collecting grooves respectively.

Furthermore, the dust collecting box comprises a top plate, a bottom plate, side wall plates and partition plates for dividing the interior of the dust collecting box into the dust collecting grooves, the bottom plate is detachably connected to the bottom of the dust collecting box in a sealing mode, at least one connecting hole is formed in the dust collecting box, and connecting columns which are installed in one-to-one correspondence with the connecting holes are formed in the bottom plate.

Further, the inlet scoop sets up the side of base, the air exit sets up the top surface of base, collection dirt part includes collection dirt head and collection dirt pole, collection dirt head is the slot-like, collection dirt pole be the cavity form and with collection dirt head intercommunication, collection dirt pole passes spiral air duct with the roof is with corresponding collection dirt groove sealing connection, the opening orientation of collection dirt head with the motion direction of the interior wind of spiral air duct is opposite.

Furthermore, a lifting device is arranged in the base, the lifting device can drive the dust collecting box to move up and down in the base and enable the dust collecting box to be communicated with and separated from the dust collecting part, an access notch for the dust collecting box to access is formed in the base, and a handle is arranged on the outer side surface of the side wall plate at the position, corresponding to the access notch, of the dust collecting box.

Furthermore, a T-ladder type air bag sleeve is sleeved on a part of the dust collecting rod, which penetrates through the spiral air duct, is hollow and elastic, and is filled with air, one end, with a smaller diameter, of the air bag sleeve is sleeved at the bottom end of the dust collecting rod, and a through hole is formed in the position, corresponding to the dust collecting rod, of the top plate;

when the lifting device drives the dust collecting box to move upwards, one end, with a smaller diameter, of the air bag sleeve sleeved on the dust collecting rod can penetrate through the through hole and extend into the corresponding dust collecting groove, the part, with the larger diameter, of the air bag sleeve is finally extruded along with the continuous rising of the dust collecting box, so that the pressure of the gas in the air bag sleeve is increased, the diameter of the end, with the smaller diameter, of the air bag sleeve is increased, and the through hole is finally filled with the gas, so that the dust collecting rod is in sealing connection with the corresponding dust collecting groove in the dust collecting box.

Further, elevating gear includes the loading board, installs loading board bottom and have the internal screw thread connecting cylinder, install the bottom of base and with connecting cylinder spiral complex screw thread post, install the gear of screw thread bottom of the column portion, with gear drive complex scroll bar and with the scroll bar is connected and is driven scroll bar pivoted motor, the bottom of base still is provided with the mounting panel, the one end of screw thread post is rotated and is connected the bottom surface of base, the other end of screw thread post rotates and wears to establish on the mounting panel and stretch out the mounting panel with connecting cylinder spiral connection, the connecting cylinder follows the screw thread post rotates and is in reciprocating motion about being on the screw thread post and drive the loading board is in reciprocating motion about being in the base.

Furthermore, the bearing plate comprises a supporting plate connected with the connecting cylinder and a limiting part arranged on the top surface of the supporting plate, the limiting part is arranged at the position, close to the edge, of the supporting plate in a circular arc shape, at least one positioning groove is formed in the limiting part, and a positioning block matched with the positioning groove is arranged on the dust collecting box.

Furthermore, a threaded connecting part with threads is arranged at the position, corresponding to the air outlet, of the top surface of the base, the filter cartridge is in threaded fit with the threaded connecting part, and the air outlet end cover is spirally installed at the top of the filter cartridge.

Furthermore, the air outlet end cover is also provided with a dustproof end cover, the air outlet end cover is provided with a plurality of first air outlet holes, the dustproof end cover is provided with second air outlet holes which correspond to the first air outlet holes in a one-to-one manner, the dustproof end cover is in rotary fit with the air outlet end cover, and the dustproof end cover can open and close the first air outlet holes through rotation;

the side of air-out end cover is provided with the recess, the inside of recess is provided with can open and close the switch of fan, the dustproof end cover correspond the position department of recess is provided with the contact site, the contact site can open and close switch.

The invention has the following beneficial effects:

according to the invention, the spiral air duct is arranged between the air suction opening and the air exhaust opening, dust particles contained in air entering the spiral air duct can be close to the outer side wall of the spiral air duct under the action of centrifugal force, air without dust particles or air with less dust particle content can be close to the inner side wall of the spiral air duct, the dust collecting component is arranged at the position of the spiral air duct close to the outer side wall, the dust particles enter the dust collecting component under the action of inertia force and finally enter the dust collecting box through the dust collecting component, so that the amount of dust required to be filtered by the filter element is reduced, the service life of the filter element is prolonged, the replacement time of the filter element is delayed, the use cost of the air purifier is reduced, good social benefits are achieved, and the air purifier is worthy of further popularization and application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a perspective view of an air purification apparatus according to an embodiment of the present invention;

fig. 2 is a front view of an air cleaning device according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 2;

FIG. 6 is an enlarged view taken at D in FIG. 2;

fig. 7 is a left side view of an air cleaning device according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view taken at E-E of FIG. 7;

FIG. 9 is an enlarged view at F of FIG. 8;

fig. 10 is a structural view of a dust-proof end cap of an air purification apparatus according to an embodiment of the present invention.

Description of the reference numerals:

1-base, 11-spiral air duct, 111-air suction inlet, 112-air outlet, 12-inlet and outlet notch, 13-mounting plate, 14-sliding chute, 15-threaded connection part, 2-filter cartridge, 3-air outlet end cover, 31-fan, 32-first air outlet, 33-groove, 34-power switch, 4-dust collecting part, 41-dust collecting head, 42-dust collecting rod, 43-air bag sleeve, 5-dust collecting box, 51-top plate, 511-through hole, 52-bottom plate, 521-connecting column, 53-side wall plate, 54-partition plate, 55-dust collecting groove, 56-connecting hole, 57-handle, 58-positioning block, 6-lifting device, 61-bearing plate, 611-limiting slide block, 612-supporting plate, 613-limiting part, 6131-positioning groove, 62-connecting cylinder, 63-threaded column, 64-gear, 65-scroll rod, 66-motor, 7-dust proof end cover, 71-second air outlet hole, 72-contact part.

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. The embodiments and features of the embodiments in the present application may be combined with each other without conflict. 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.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture (as shown in the figure), the motion situation, etc., and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, "a plurality" means two or more. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the invention.

See fig. 1-10.

The invention relates to an air purification device, which comprises a base 1, a filter cartridge 2 for mounting a filter element and an air outlet end cover 3 with a fan 31, wherein the filter cartridge 2 is mounted on the top surface of the base 1, the air outlet end cover 3 is covered on the top of the filter cartridge 2, the base 1 is provided with an air suction port 111 and an air outlet 112, the filter cartridge 2 is mounted on the top of the air outlet 112, a spiral air duct 11 is arranged between the air suction port 111 and the air outlet 112, at least one dust collection part 4 is arranged in the spiral air duct 11 at a position close to the outer side wall of the spiral air duct 11, a dust collection box 5 is further arranged in the base 1 below the spiral air duct 11, the dust collection part 4 is communicated with the dust collection box 5, and dust particles entering the dust collection part 4 can enter the dust collection box 5 through the dust collection part 4.

According to the invention, the spiral air duct is arranged between the air suction opening and the air exhaust opening, dust particles contained in air entering the spiral air duct can be close to the outer side wall of the spiral air duct under the action of centrifugal force, air without dust particles or air with less dust particle content can be close to the inner side wall of the spiral air duct, the dust collecting component is arranged at the position close to the outer side wall of the spiral air duct, and the dust particles enter the dust collecting component under the action of inertia force and finally enter the dust collecting box through the dust collecting component, so that the amount of dust required to be filtered by the filter element is reduced, the service life of the filter element is prolonged, the replacement time of the filter element is delayed, the use cost of the air purifier is reduced, good social benefits are achieved, and the air purifier is worthy of further popularization and application.

In an embodiment, the dust collecting box 5 is provided therein with dust collecting grooves 55 corresponding to the dust collecting members 4 one by one, in an operating state, the dust collecting grooves 55 are sealed and separated, and the dust collecting members 4 are respectively communicated and sealed with the corresponding dust collecting grooves 55. The design like this, during the dust passes through dust collecting component entering dust collecting tank, because sealed the separating between each dust collecting tank, so air pressure in the dust collecting tank remains unchanged with the air pressure of dust collecting component tip department all the time, and inside can not produce the air current and surge, so dust in the dust collecting component can sink automatically and get into in the dust collecting tank to the dust in the dust collecting tank has been guaranteed can not run out.

In one embodiment, the dust collecting box 5 comprises a top plate 51, a bottom plate 52, a side wall plate 53 and a partition plate 54 for dividing the interior of the dust collecting box 5 into the dust collecting grooves 55, the bottom plate 52 is detachably and hermetically connected to the bottom of the dust collecting box 5, at least one connecting hole 56 is further arranged in the dust collecting box 5, and the bottom plate 52 is provided with connecting columns 521 which are installed in one-to-one correspondence with the connecting holes 56. The design is like this, when needs are cleared up the dust in the dust collection box, take out the dust collection box, can be comparatively convenient clear up the dust of dust collection box inside through making bottom plate and dust collection box separation, can play the effect of location when bottom plate and dust collection box are reinstalled through setting up connecting hole and spliced pole, make things convenient for bottom plate and dust collection box erection site, connect hole and spliced pole still play the effect of atress transmission when taking out the dust collection box or reinstalling the return, make bottom plate and dust collection box synchronous motion, keep the relative position of bottom plate in the dust collection box not to produce great change.

Preferably, a sealing strip and/or a sealing ring are arranged at the connection part of the bottom plate 52 and the side wall plate 53 and the partition plate 54, and the bottom plate 52 is hermetically connected to the bottom of the dust collecting box 5 through the sealing strip and/or the sealing ring.

Preferably, one connecting hole 56 is provided, the connecting hole 56 has a polygonal shape, and the connecting column 521 has the same shape and size as the inner shape of the connecting hole 56.

In an embodiment, the air suction opening 111 is disposed at a side surface of the base 1, the air exhaust opening 112 is disposed at a top surface of the base 1, the dust collecting part 4 includes a dust collecting head 41 and a dust collecting rod 42, the dust collecting head 41 is in a groove shape, the dust collecting rod 42 is in a hollow shape and is communicated with the dust collecting head 41, the dust collecting rod 42 passes through the spiral air duct 11 and the top plate 51 and is hermetically connected with the corresponding dust collecting groove 55, and an opening direction of the dust collecting head 41 is opposite to a moving direction of air in the spiral air duct 11. Design like this, it is simple to set up the side design at the base with the inlet scoop, and the manufacturing of being convenient for sets up the top surface of air exit at the base be convenient for with strain a section of thick bamboo erection joint, set the opening orientation of collection dirt head to with the motion opposite direction of the interior wind of spiral wind channel like this in the motion process of wind, the great large granule impurity dust of quality can get into the inside of collection dirt head automatically and get into in the dust collecting tank through the collection dirt pole under inertial effect.

In an embodiment, a lifting device 6 is further disposed in the base 1, the lifting device 6 can drive the dust collecting box 5 to move up and down in the base 1 and enable the dust collecting box 5 to communicate with and separate from the dust collecting part 4, an access slot 12 for the dust collecting box 5 to access is formed in the base 1, and a handle 57 is disposed on an outer side surface of the side wall plate 53 at a position corresponding to the access slot 12 of the dust collecting box 5. Design like this, when the dust in the needs were cleared up in the dust collecting box, make the dust collecting box descend and collect dirt part separation through elevating gear, utilize the handle to take out the dust collecting box from the base, after the clearance is accomplished, place the dust collecting box in the base, make the dust collecting box rise and collect dirt part reseal intercommunication through elevating gear.

In one embodiment, a T-ladder type air bag sleeve 43 is sleeved on a portion of the dust collecting rod 42 penetrating through the spiral air duct 11, the air bag sleeve 43 is hollow and elastic, the interior of the air bag sleeve 43 is filled with air, one end of the air bag sleeve 43 with a smaller diameter is sleeved on the bottom end of the dust collecting rod 42, and a through hole 511 is formed in the top plate 51 at a position corresponding to the dust collecting rod 42;

when the lifting device 6 drives the dust collecting box 5 to move upwards, the end of the air bag sleeve 43 with smaller diameter sleeved on the dust collecting rod 42 can penetrate through the through hole 511 and extend into the corresponding dust collecting groove 55, the part with larger diameter of the air bag sleeve 43 is finally pressed along with the continuous rising of the dust collecting box 5 to increase the internal gas pressure of the air bag sleeve 43, and the internal gas pressure of the air bag sleeve 43 is increased to enlarge the diameter of the end with smaller diameter of the air bag sleeve 43 and finally fill the through hole 511 to make the dust collecting rod 42 connected with the corresponding dust collecting groove 55 in the dust collecting box 5 in a sealing way. Design like this, be convenient for form sealing connection between dust collecting rod and the dirt groove, and when needs clear up the dust in the dust collecting box, make the dust collecting box descend through elevating gear, the intraductal atmospheric pressure of gasbag cover will diminish thereupon, will form the clearance between dust collecting rod and the through-hole, be favorable to dismantling, after the clearance is accomplished, when needing to make again between dust collecting rod and the dirt groove sealed, because of the intraductal atmospheric pressure of initial gasbag cover does not change and has the clearance between dust collecting rod and the through-hole, so the dust collecting rod wears to establish in the through-hole very easily, along with the great part of the diameter of the upwards moving extrusion gasbag cover make the sheathed tube body gas pressure rise the diameter of the less one end of diameter of gasbag cover change and finally be full of through-hole and make form again sealed between dust collecting rod and the dirt groove.

In an embodiment, the lifting device 6 includes a bearing plate 61, a connecting cylinder 62 installed at the bottom of the bearing plate 61 and having an internal thread, a threaded column 63 installed at the bottom of the base 1 and spirally matched with the connecting cylinder 62, a gear 64 installed at the bottom of the threaded column 63, a worm 65 in transmission fit with the gear 64, and a motor 66 connected with the worm 65 and driving the worm 65 to rotate, the bottom of the base 1 is further provided with a mounting plate 13, one end of the threaded column 63 is rotatably connected to the bottom surface of the base 1, the other end of the threaded column 63 is rotatably disposed on the mounting plate 13 and extends out of the mounting plate 13 to be spirally connected with the connecting cylinder 62, and the connecting cylinder 62 rotates along with the threaded column 63 to perform vertical reciprocating movement on the threaded column 63 and drives the bearing plate 61 to perform vertical reciprocating movement in the base 1. Design like this, drive the worm through the motor and rotate and then drive gear rotation and finally make the screw thread post take place to rotate, the screw thread post rotates and drives the connecting cylinder and do reciprocating motion from top to bottom and finally make the loading board do reciprocating motion from top to bottom in the base on the screw thread post, and the design is simple, utilizes the screw thread post to bear the weight of loading board and dust collecting box, and the structure is reliable.

Preferably, the internal threads of the connecting cylinder 62 and the threads on the threaded post 63 are fine threads. Design like this, the auto-lock nature between connecting cylinder and the screw thread post is good, and the displacement of direction about the difficult emergence of loading board.

Preferably, a limiting slide block 611 is arranged on a side surface of the bearing plate 61, and a vertical sliding groove 14 matched with the limiting slide block 611 is arranged at a position of the side wall of the base 1 corresponding to the limiting slide block 611. The design can ensure that the bearing plate does not rotate in the movement process by arranging the limiting slide block and the vertical sliding groove, and ensures the connection between the dust collection box and the dust collection component.

In an embodiment, the supporting plate 61 includes a supporting plate 612 connected to the connecting cylinder 62 and a limiting portion 613 mounted on the top surface of the supporting plate 612, the limiting portion 613 is disposed at a position close to the edge of the supporting plate 612 in an arc shape, at least one positioning slot 6131 is disposed on the limiting portion 613, and a positioning block 58 matched with the positioning slot 6131 is disposed on the dust collecting box 5. The design like this, the layer board is used for bearing the weight of the dust collection box, can realize the position of the relative loading board of position of dust collection box through setting up location portion, constant head tank and locating piece and fix, is favorable to the connection between dust collection box and the collection dirt part.

Preferably, the limiting part 613 is in a semicircular arc shape, the dust collecting box 5 can be installed and matched with and separated from the limiting part 613 in a drawing manner, two positioning grooves 6131 are formed and respectively formed on the surfaces of two end parts of the limiting part 613, and the positioning block 58 is arranged on the side surface of the dust collecting box 5. By the design, a user can place the dust collecting box on the bearing plate in a pulling mode, so that the labor intensity of the user in cleaning the dust collecting box is reduced, and the user can use the dust collecting box more conveniently.

In an embodiment, a threaded connection portion 15 with threads is provided at a position corresponding to the air outlet 112 on the top surface of the base 1, the filter cartridge 2 is in threaded fit with the threaded connection portion 15, and the air outlet end cap 3 is screwed on the top of the filter cartridge 2. The design is convenient for replacing the filter element of the filter cylinder, and the design is simple and reasonable.

In an embodiment, the air outlet end cover 3 is further provided with a dustproof end cover 7, the air outlet end cover 3 is provided with a plurality of first air outlet holes 32, the dustproof end cover 7 is provided with second air outlet holes 71 which correspond to the first air outlet holes 32 one to one, the dustproof end cover 7 is in rotary fit with the air outlet end cover 3, and the dustproof end cover 7 can open and close the first air outlet holes 32 through rotation;

the side of air-out end cover 3 is provided with recess 33, the inside of recess 33 is provided with can open and close fan 31's switch 34, dustproof end cover 7's correspondence recess 33's position department is provided with contact site 72, contact site 72 can open and close switch 34. Design like this, through rotatory dust cover when opening first exhaust vent, switch is opened to the contact site, closing switch is closed to the contact site during first exhaust vent, can avoid like this at purifier under inoperative state, inside external dust got into purifier through first exhaust vent, guaranteed purifier inside clean, did not make it receive external pollution.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention.

Claims

1. An air purification device, characterized in that: including base (1), an air-out end cover (3) that is used for installing filter cartridge (2) and has fan (31), it installs to strain a section of thick bamboo (2) the top surface of base (1), air-out end cover (3) lid closes strain the top of a section of thick bamboo (2), be equipped with inlet scoop (111) and air exit (112) on base (1), it installs to strain a section of thick bamboo (2) the top of air exit (112), inlet scoop (111) with be provided with spiral air duct (11) between air exit (112), the inside of spiral air duct (11) is close to the position department of the lateral wall of spiral air duct (11) is provided with at least one collection dirt part (4), still be provided with collection dirt box (5) in base (1), collection dirt part (4) with collection dirt box (5) intercommunication, get into dust granule in collection dirt part (4) can pass through collection dirt part (4) gets into in collection dirt box (5).

2. The air purification apparatus according to claim 1, wherein: the dust collecting box (5) is internally provided with dust collecting grooves (55) which are in one-to-one correspondence with the dust collecting parts (4), the dust collecting grooves (55) are sealed and separated in a working state, and the dust collecting parts (4) are respectively communicated and sealed with the corresponding dust collecting grooves (55).

3. The air purification apparatus according to claim 2, wherein: the dust collection box (5) comprises a top plate (51), a bottom plate (52), side wall plates (53) and partition plates (54) used for dividing the interior of the dust collection box (5) into dust collection grooves (55), the bottom plate (52) is detachably and hermetically connected to the bottom of the dust collection box (5), at least one connecting hole (56) is further formed in the dust collection box (5), and connecting columns (521) which are installed in a one-to-one correspondence mode with the connecting holes (56) are arranged on the bottom plate (52).

4. The air purification apparatus according to claim 3, wherein: inlet scoop (111) sets up the side of base (1), air exit (112) set up the top surface of base (1), collection dirt part (4) are including collection dirt head (41) and collection dirt pole (42), collection dirt head (41) are the trough-shaped, collection dirt pole (42) be the cavity form and with collection dirt head (41) intercommunication, collection dirt pole (42) pass spiral wind channel (11) with roof (51) and corresponding collection dirt groove (55) sealing connection, the opening orientation of collection dirt head (41) with the motion direction of the wind in spiral wind channel (11) is opposite.

5. The air purification apparatus according to claim 4, wherein: still be provided with elevating gear (6) in base (1), elevating gear (6) can drive dust collection box (5) are in reciprocate in base (1) and make dust collection box (5) with collection dirt part (4) intercommunication and separation, base (1) is last to be opened and to be supplied the discrepancy notch (12) that dust collection box (5) came in and go out, the correspondence of dust collection box (5) the department of discrepancy notch (12) position be provided with handle (57) on the lateral surface of side wall board (53).

6. The air purification apparatus according to claim 5, wherein: a T-ladder-shaped air bag sleeve (43) is sleeved on the part of the dust collecting rod (42) penetrating through the spiral air duct (11), the air bag sleeve (43) is hollow and elastic, the interior of the air bag sleeve is filled with air, one end of the air bag sleeve (43) with a smaller diameter is sleeved at the bottommost end of the dust collecting rod (42), and a through hole (511) is formed in the position, corresponding to the dust collecting rod (42), of the top plate (51);

when the lifting device (6) drives the dust collection box (5) to move upwards, the end, with the smaller diameter, of the air bag sleeve (43) sleeved on the dust collection rod (42) can penetrate through the through hole (511) and extend into the corresponding dust collection groove (55), the part, with the larger diameter, of the air bag sleeve (43) is finally extruded along with the continuous rising of the dust collection box (5) so that the internal gas pressure of the air bag sleeve (43) is increased, the internal gas pressure of the air bag sleeve (43) is increased so that the diameter of the end, with the smaller diameter, of the air bag sleeve (43) is increased and the through hole (511) is finally filled so that the dust collection rod (42) is in sealing connection with the corresponding dust collection groove (55) in the dust collection box (5).

7. The air cleaning apparatus according to claim 5 or 6, characterized in that: elevating gear (6) include loading board (61), install loading board (61) bottom has internal screw thread connecting cylinder (62), installs the bottom of base (1) and with connecting cylinder (62) spiral complex screw thread post (63), install gear (64) of screw thread post (63) bottom, with gear (64) transmission complex scroll bar (65) and with scroll bar (65) are connected and are driven scroll bar (65) pivoted motor (66), the bottom of base (1) still is provided with mounting panel (13), the one end of screw thread post (63) is rotated and is connected the bottom surface of base (1), the other end of screw thread post (63) rotates and wears to establish mounting panel (13) are gone up and are stretched out mounting panel (13) with connecting cylinder (62) spiral connection, connecting cylinder (62) are followed screw thread post (63) are rotated and are reciprocating motion about doing on screw thread post (63) and drive loading board (61) are reciprocating motion about doing in base (1).

8. The air purification apparatus according to claim 7, wherein: the bearing plate (61) comprises a supporting plate (612) connected with the connecting cylinder (62) and a limiting part (613) arranged on the top surface of the supporting plate (612), the limiting part (613) is arranged at the position, close to the edge, of the supporting plate (612) in an arc shape, at least one positioning groove (6131) is arranged on the limiting part (613), and a positioning block (58) matched with the positioning groove (6131) is arranged on the dust collection box (5).

9. The air cleaning apparatus according to any one of claims 1 to 6, characterized in that: the air outlet device is characterized in that a threaded connecting portion (15) with threads is arranged at the position, corresponding to the air outlet (112), of the top surface of the base (1), the filter cylinder (2) is in threaded fit with the threaded connecting portion (15), and the air outlet end cover (3) is spirally installed at the top of the filter cylinder (2).

10. The air cleaning apparatus according to any one of claims 1 to 6, characterized in that: the air outlet end cover (3) is further provided with a dustproof end cover (7), the air outlet end cover (3) is provided with a plurality of first air outlet holes (32), the dustproof end cover (7) is provided with second air outlet holes (71) which correspond to the first air outlet holes (32) in a one-to-one mode, the dustproof end cover (7) is in rotary fit with the air outlet end cover (3), and the first air outlet holes (32) can be opened and closed through rotation of the dustproof end cover (7);

the side of air-out end cover (3) is provided with recess (33), the inside of recess (33) is provided with can open and close switch (34) of fan (31), the correspondence of dust cover (7) the position department of recess (33) is provided with contact site (72), contact site (72) can be opened and close switch (34).