Air purifier with automatic cleaning function

Abstract

An air purifier with an automatic cleaning function comprises an air outlet part and an air inlet filtering part, the air inlet filtering part comprises a bottom shell, a cylindrical filter element, a bottom cover, an air inlet grille, an annular brush seat, an annular brush body, a screw rod, a nut and a driving device, the bottom shell supports a top shell, an air outlet extends into the top shell, and the cylindrical filter element is arranged on the bottom shell. The upper end of the cylindrical filter element is inserted into the insertion cavity, the lower end of the cylindrical filter element is embedded into the annular insertion groove, and the bottom cover is detachably matched with the cover cavity; the ring-shaped brush body is arranged in the ring-shaped brush seat, and the ring-shaped brush body is in sliding fit with the cylindrical filter element; the nut is pre-embedded in the nut seat, the screw rod is screwed with the nut, an upper shaft head and a lower shaft head of the screw rod are respectively in running fit with the upper shaft seat and the lower shaft seat, the driving device drives the screw rod to rotate, and the annular brush seat and the annular brush body move up and down relative to the cylindrical filter element. The driving device drives the screw rod to rotate, the annular brush body arranged on the annular brush seat moves up and down relative to the cylindrical filter element, cleaning and automatic dust collection are achieved, and the structure is simple.

Description

Technical Field

[0001] The invention relates to an air purifier. Background Art

[0002] The current state of the art, according to Chinese Patent 201720068874.X, describes an air purifier with a dual-axle motor. The air purifier includes a top cover, a compression member, a bottom shell, a circular ring seat, a filter element, and a fan. The top plate of the top cover is provided with a top air outlet, the fan is mounted within the top cover, and the compression member is disposed at the bottom end of the top cover. The circular ring seat is disposed at the upper end of the bottom shell, and the compression member and the circular ring seat are pivotally connected. The fan includes a dual-axle motor, an exhaust impeller, and an air inlet chamber with upper and lower openings, an air outlet chamber with upper and lower openings, and a motor bracket. The upper end of the air inlet chamber is fixedly connected to the lower end of the air outlet chamber, and the radial edge of the motor bracket is disposed between the air inlet and outlet chambers. The dual-axle motor is fixed to the center of the motor bracket. The top of the air outlet chamber is fixedly connected to the top cover, and the lower end of the air inlet chamber is connected to the air inlet hole of the compression member. The dual-axle motor is assembled within the top cover, with one shaft connected to the exhaust impeller and the other shaft connected to the exhaust impeller. The problem is that the outer surface of the filter element cannot be cleaned automatically.

[0003] Chinese Patent 202421254243.3, an air purification filter, relates to the field of air purifiers, including a purifier body and a door, a filter core is provided inside the purifier body, a dust net is provided on the periphery of the filter core, a rotating drum is provided on one side of the dust net, a brush is provided on the other side of the dust net through a mounting bracket, a suction head is provided at the bottom of the dust net, and a collection box and a fan are provided at the other end of the purifier body. The present invention can brush off impurities on the surface of the dust net through the cooperation of the brush and the rotating drum, and can suck the fallen impurities into the collection box for storage through the cooperation of the fan, air duct and suction head, thereby achieving a self-cleaning effect. The problem is: the structure is complex, and the filter core needs to be rotated during cleaning. Summary of the Invention

[0004] The purpose of the present invention is to provide an automatic cleaning air purifier, which has the characteristics of a circular brush body moving up and down relative to a cylindrical filter element for cleaning and automatically collecting dust.

[0005] The present invention is realized as follows: an automatic cleaning air purifier, which is special in that it includes an air outlet and an air inlet filter.

[0006] The air outlet part includes a hollow top shell with upper and lower openings, a fan and a top air outlet cover;

[0007] The air inlet filter unit includes a bottom shell, a cylindrical filter element, a bottom cover, an air inlet grille, a circular brush holder, a circular brush body, a screw, a nut, a drive device and a dust collection box.

[0008] The bottom shell includes a plug-in cavity at the upper end and an air outlet on the plug-in cavity, a fitting cavity on the bottom plate, a window on the wall plate and an upper shaft seat on the top plate;

[0009] The bottom cover is provided with an annular plug-in groove, the annular brush seat is provided with a nut seat, and the dust collection box is annular and provided with a lower shaft seat;

[0010] The bottom shell supports the top shell, and the air outlet extends into the top shell. The dust collection box and the interlocking cavity are detachable. The upper end of the cylindrical filter element is inserted into the plug-in cavity, and the lower end is engaged with the annular plug-in groove. The bottom cover and the axis cavity of the ash collection box are detachable. The annular brush body is arranged in the annular brush seat, and the annular brush body and the cylindrical filter element are slidably fitted. The nut is pre-embedded in the nut seat, the screw and the nut are threaded together, the upper shaft head of the screw and the upper shaft seat are rotatably fitted, and the lower shaft head and the lower shaft seat are rotatably fitted and detachable. The driving device drives the screw to rotate, and the annular brush seat and the annular brush body move up and down relative to the cylindrical filter element; dust automatically enters the dust collection box.

[0011] The special feature of the automatic cleaning air purifier is that: the nut and the screw are provided with at least two respectively;

[0012] The driving device includes a motor, a driving gear and a driven gear.

[0013] The driven gear is fixed to the lower shaft head, the motor is fixed to the bottom plate of the bottom shell, the driving gear is fixed to the motor shaft, and the driving gear is meshed with the driven gear.

[0014] The special feature of the automatic cleaning air purifier is that: the nut and the screw are provided with at least two respectively;

[0015] The driving device includes a motor, a driving gear, a driven gear and a ring gear.

[0016] It also includes a ring gear seat, on which a shaft sleeve is provided;

[0017] The ring gear seat is engaged and fixed with the dust collecting box, and the ring gear and the shaft sleeve are rotatably matched;

[0018] The driven gear is fixed to the lower shaft head and meshed with the ring gear, the driving gear is fixed to the shaft of the motor, and meshed with a driven gear; the bottom cover and the ring gear seat are detachably matched.

[0019] The special feature of the automatic cleaning air purifier is that a static circular lock buckle is provided on the inner wall of the annular gear seat;

[0020] A dynamic arc-shaped locking buckle is provided on the circumferential wall plate of the bottom cover;

[0021] The dynamic arc-shaped locking buckle is buckled with the static arc-shaped locking buckle, and the end of the bottom cover is fitted with the shaft seat.

[0022] The special feature of the automatic cleaning air purifier is that the annular brush holder is provided with a driving plate;

[0023] The dust collecting box comprises an annular box body with an upper opening, a plurality of box covers and a torsion spring.

[0024] The annular box body includes a plurality of sub-box cavities, and two hinged frames are provided on the inner surface of the outer ring wall of the sub-box cavity, and the hinged frames are provided with shaft holes;

[0025] There are two shaft seats and a shaft body on the box cover.

[0026] The shaft body passes through the torsion spring and rotates with the shaft hole. The torsion spring is located between the shaft seat and the hinged frame plate. One end of the torsion spring cooperates with the box box and the other end fits with the inner surface of the outer ring wall plate of the sub-box cavity; the drive plate cooperates with the box cover.

[0027] The present invention is an automatic cleaning air purifier. Due to the structure, the driving device drives, the screw rotates, and the annular brush body arranged on the annular brush seat moves up and down relative to the cylindrical filter element, thereby achieving cleaning and collecting dust. The structure is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a cross-sectional view of the present invention.

[0029] Figure 2 yes Figure 1 A-A view of.

[0030] Figure 3 yes Figure 1 A partial enlarged view.

[0031] Figure 4 yes Figure 1 A partial enlarged view of middle B.

[0032] Figure 5 It is one of the three-dimensional exploded views of the present invention.

[0033] Figure 6 This is the second exploded perspective view of the present invention.

[0034] Figure 7 It is the third exploded view of the present invention.

[0035] Figure 8 It is a perspective view of the present invention.

[0036] Figure 9 This is one of the three-dimensional exploded views of the dust collecting box of the present invention.

[0037] Figure 10This is the second exploded perspective view of the dust collecting box of the present invention. DETAILED DESCRIPTION

[0038] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0039] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0040] like Figure 1 As shown, an automatic cleaning air purifier is characterized by comprising an air outlet portion 1 and an air inlet filter portion 2,

[0041] The air outlet portion 1 comprises a hollow top shell 11 with upper and lower openings, a fan 12 and a top air outlet cover 13;

[0042] The air inlet filter unit 2 includes a bottom shell 3, a cylindrical filter element 4, a bottom cover 5, an air inlet grille 6, an annular brush holder 71, an annular brush body 72, a screw 81, a nut 82, a driving device and a dust collecting box 9.

[0043] The bottom shell 3 includes a plug-in cavity 31 at the upper end and an air outlet 32 ​​on the plug-in cavity 31, a fitting cavity 33 on the bottom plate, a window 34 on the wall plate, and an upper shaft seat 35 on the top plate.

[0044] The bottom cover 5 is provided with an annular plug-in groove 51, the annular brush seat 71 is provided with a nut seat 711, the dust collecting box 9 is annular and is provided with a lower shaft seat 91, and the lower shaft seat 91 is provided with a lower shaft head hole;

[0045] The bottom shell 3 supports the top shell 11, and the air outlet 32 ​​extends into the top shell 11. The dust collecting box 9 is detachably matched with the mosaic cavity 33; the upper end of the cylindrical filter element 4 is inserted into the plug-in cavity 31, and the lower end is engaged with the annular plug-in groove 51. The bottom cover 5 is detachably matched with the axial cavity of the dust collecting box 9; the annular brush body 72 is arranged in the annular brush seat 71, and the annular brush body 72 and the cylindrical filter element 4 are slidably matched; the nut 82 is pre-embedded in the nut seat 711, the screw 81 is threaded with the nut 82, the upper shaft head of the screw 81 is rotatably matched with the upper shaft seat 35, and the lower shaft head is rotatably matched with the lower shaft head hole of the lower shaft seat 91 and is detachable. The driving device drives the screw 81 to rotate, and the annular brush seat 71 and the annular brush body 72 move up and down relative to the cylindrical filter element 4; dust automatically enters the dust collecting box 9.

[0046] In this example, the nut 82 and the screw 81 are provided with at least two each;

[0047] The driving device includes a motor 101, a driving gear 102 and a driven gear 103.

[0048] The driven gear 103 is fixed to the upper shaft head of the screw rod 81 , the motor 101 is fixed to the top plate of the bottom shell 3 , the driving gear 102 is fixed to the motor shaft, and the driving gear 102 is meshed with the driven gear 103 .

[0049] The present invention can also be implemented as follows: the nut 82 and the screw 81 are each provided with two;

[0050] The driving device includes a motor 101, a driving gear 102, a driven gear 103 and a ring gear 104.

[0051] It also includes a ring gear seat 11, on which a shaft sleeve 111 is provided;

[0052] The ring gear seat 111 is fixedly engaged with the axis cavity of the dust collecting box 9, and the ring gear 104 and the shaft sleeve 111 are rotated together;

[0053] The driven gear 103 is fixed to the lower shaft head and meshes with the ring gear 104. The driving gear 102 is fixed to the motor shaft and meshes with the driven gear 103 on a screw. The bottom cover 5 is detachably matched with the ring gear seat 11.

[0054] As a further improvement of the present invention: a static circular lock buckle 112 is provided on the inner wall of the ring gear seat 11;

[0055] A dynamic arc-shaped locking buckle 52 is provided on the circumferential wall of the bottom cover 5;

[0056] The dynamic arc-shaped locking buckle 52 is buckled with the static arc-shaped locking buckle 112 .

[0057] As a further improvement of the present invention: the annular brush holder 71 is provided with a driving plate 712;

[0058] like Figure 4 、 Figure 9 、 Figure 10 As shown, the dust collecting box 9 includes an annular box body 92 with an upper opening, a plurality of box covers 93 and a torsion spring 94.

[0059] The annular box body 92 is provided with a plurality of sub-box cavities 921. Two hinged frames 922 are provided on the inner surface of the outer ring wall of the sub-box cavity 921. The hinged frames 922 are provided with shaft holes.

[0060] The lower shaft seat 91 is arranged in the sub-box cavity 921.

[0061] The box cover 93 is provided with two shaft seats 931 and a shaft body 932, and the box cover 93 that cooperates with the sub-box cavity 921 provided with the lower shaft seat 91 is provided with an air avoidance groove;

[0062] The shaft 932 passes through the torsion spring 94 and rotates with the shaft hole on the hinge frame 922. The torsion spring 94 is located between the shaft seat 931 and the hinge frame 922. One end of the torsion spring 94 engages with the box cover 93, and the other end is in contact with the inner surface of the outer ring wall of the sub-box cavity 921. The drive plate 712 engages with the box cover 93. The driven gear 103 on the lower shaft head engages with the airtight groove.

[0063] During operation, the motor rotates, the driving gear 102 drives the driven gear 103 on the upper end of a screw 81, the screw 81 rotates with the driven gear 103, the driven gear 103 on the lower shaft head drives the annular gear 104 to rotate, the annular gear 104 drives the driven gear 103 on the lower shaft head of another screw 81 to rotate, and the other screw 81 rotates; the annular brush holder 71 and the annular brush body 72 move up and down, the driving plate 812 drives the box cover 93 to rotate into the sub-cavity 921, and dust enters the sub-box cavity 921; the driving plate 812 leaves the box cover, and under the action of the torsion spring 94, the box cover automatically resets.

[0064] When the dust collecting box 9 needs to be emptied of dust, the dust collecting box 9, the ring gear seat 11 and the ring gear 104 are disassembled together.

[0065] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. An automatic cleaning air purifier, characterized in that; Including air outlet and air inlet filter, The air outlet part includes a hollow top shell with upper and lower openings, a fan and a top air outlet cover; The air inlet filter unit includes a bottom shell, a cylindrical filter element, a bottom cover, an air inlet grille, a circular brush holder, a circular brush body, a screw, a nut, a drive device and a dust collection box. The bottom shell includes a plug-in cavity at the upper end and an air outlet on the plug-in cavity, a fitting cavity on the bottom plate, a window on the wall plate and an upper shaft seat on the top plate; The bottom cover is provided with an annular plug-in groove, the annular brush seat is provided with a nut seat, and the dust collection box is annular and provided with a lower shaft seat; The bottom shell supports the top shell, and the air outlet extends into the top shell. The dust collection box and the interlocking cavity are detachable. The upper end of the cylindrical filter element is inserted into the plug-in cavity, and the lower end is engaged with the annular plug-in groove. The bottom cover and the axis cavity of the dust collection box are detachable. The annular brush body is arranged in the annular brush seat, and the annular brush body and the cylindrical filter element are slidably fitted. The nut is pre-embedded in the nut seat, the screw and the nut are threaded together, the upper shaft head of the screw and the upper shaft seat are rotatably fitted, and the lower shaft head and the lower shaft seat are rotatably fitted and detachable. The driving device drives the screw to rotate, and the annular brush seat and the annular brush body move up and down relative to the cylindrical filter element; dust automatically enters the dust collection box.

2. The automatic cleaning air purifier according to claim 1, characterized in that: The nut and the screw are provided with at least two respectively; The driving device includes a motor, a driving gear and a driven gear. The driven gear is fixed to the upper shaft head of the screw, the motor is fixed to the top plate of the bottom shell, the driving gear is fixed to the motor shaft, and the driving gear is meshed with the driven gear.

3. The automatic cleaning air purifier according to claim 1, characterized in that: The nut and the screw are provided with at least two respectively; The driving device includes a motor, a driving gear, a driven gear and a ring gear. It also includes a ring gear seat, on which a shaft sleeve is provided; The ring gear seat is engaged and fixed with the dust collecting box, and the ring gear and the shaft sleeve are rotatably matched; The driven gear is fixed to the lower shaft head and meshed with the ring gear, the driving gear is fixed to the shaft of the motor, and meshed with a driven gear; the bottom cover and the ring gear seat are detachably matched.

4. The automatic cleaning air purifier according to claim 3, characterized in that: A static circular lock catch is provided on the inner wall of the ring gear seat; A dynamic arc-shaped locking buckle is provided on the circumferential wall plate of the bottom cover; The dynamic arc-shaped locking buckle is buckled with the static arc-shaped locking buckle.

5. An automatic cleaning air purifier according to claim 1, 2, 3 or 4, characterized in that: The annular brush holder is provided with a driving plate; The dust collecting box comprises an annular box body with an upper opening, a plurality of box covers and a torsion spring. The annular box body includes a plurality of sub-box cavities, and two hinged frames are provided on the inner surface of the outer ring wall of the sub-box cavity, and the hinged frames are provided with shaft holes; There are two shaft seats and a shaft body on the box cover. The shaft body passes through the torsion spring and rotates with the shaft hole. The torsion spring is located between the shaft seat and the hinged frame plate. One end of the torsion spring cooperates with the box box and the other end fits with the inner surface of the outer ring wall plate of the sub-box cavity; the drive plate cooperates with the box cover.

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