CN114811804A

CN114811804A - Air purification device for architectural decoration

Info

Publication number: CN114811804A
Application number: CN202210420817.9A
Authority: CN
Inventors: 谢敏静
Original assignee: Hangzhou Polytechnic
Current assignee: Hangzhou Polytechnic
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-07-29
Anticipated expiration: 2042-04-21
Also published as: CN114811804B

Abstract

The invention discloses an air purification device for building decoration, which structurally comprises a controller, a fan piece, a connecting cover, an air inlet, a main body, a filter piece and an anti-backflow device.

Description

Air purification device for architectural decoration

Technical Field

The invention relates to the field of air purification equipment, in particular to an air purification device for building decoration.

Background

Along with the improvement of standard of living, people also attach more and more importance to air quality, can have harmful gas such as a lot of dust and formaldehyde in the house of just finishing, in order to improve house air quality, often can use air purifier, air purifier can adsorb, decompose or change various air contaminant, effectively improves the air cleanliness, can provide clean and safe air for the resident family, when using air purification device, need the place of improvement:

when the existing air purifying device is used for purifying air, the controller is normally used for controlling the fan assembly to work, so that the air enters the equipment from the air inlet and is filtered by the filter element, thereby realizing the function of purifying air, the purified air can flow downwards to the air outlet guide piece, the air outlet guide piece is provided with a plurality of circulating pieces, the air is dispersed outwards through the plurality of circulating pieces, when the air outlet guide guides the air outwards, the plurality of circulating pieces can disperse the air outwards at the same time, because the circulating element is in an open state, when the circulating element guides out the purified air, its outside air can flow into inside the air-out guide spare through the circulation piece because of outside pressure effect, leads to the phenomenon of backflowing to appear in the air, and impurity in the air of backflowing can cause the jam to filtering to influence the purifying effect of clarification plant to the air.

Disclosure of Invention

Aiming at the defects in the prior art, the invention is realized by the following technical scheme: the utility model provides an architectural decoration fitment air purification device, its structure includes controller, fan spare, connection lid, air intake, main part, filters piece, prevents the refluence device, the controller is established in the main part, inside fan spare, the filtration piece of being equipped with of main part, the main part top is coincided and is connected with the connection lid, the connection is covered and is equipped with a plurality of air intakes of putting through mutually with it, the main part bottom is coincided and is connected with and prevents the refluence device.

As a further optimization of the invention, the anti-backflow device comprises a base, an air outlet guide piece, an intercommunicating guide disc and a frame body, wherein the base is fixedly connected with the frame body, the air outlet guide piece sleeved with the frame body is arranged in the frame body, the top of the air outlet guide piece is connected with the intercommunicating guide disc, and the frame body is connected with the main body in a matching manner.

As a further optimization of the invention, the intercommunicating guide disc comprises a connecting head, inserting ports, a connecting disc, air guide ports and a separation net, wherein the connecting head is arranged at the middle position inside the connecting disc, four inserting ports are arranged on an outer ring of the connecting disc, a plurality of air guide ports are arranged inside the connecting disc, the plurality of air guide ports are annularly arranged on the connecting disc at equal intervals by taking the center of the connecting disc as a central point, the plurality of air guide ports are connected with the separation net, and the connecting disc is connected with the air outlet guide piece.

As a further optimization of the invention, the air outlet guide comprises a mounting disc, a rotating assembly, a guide assembly, a connecting block, a rotating guide rail and a shell, wherein the mounting disc is fixedly connected with the shell, the shell is provided with a plurality of guide assemblies connected with the shell, the two sides of the plurality of guide assemblies are connected with the connecting block, the connecting block is connected with the guide assemblies to form a circular ring structure, the rotating guide rail is mounted on the mounting disc, the rotating assembly is connected with the middle position of the mounting disc, the rotating assembly is movably connected with the rotating guide rail, the top of the shell is connected with the bottom of the connecting disc in a matching manner, and the shell is arranged on the frame.

The guiding assembly comprises connecting columns, a pull plate, air outlet channels, a circulation layer, a movable tensioning piece, a telescopic elastic plate, a pushing piece and triangular supports, wherein the telescopic elastic plate and the pushing piece are connected between the two connecting columns, the triangular supports connected with the telescopic elastic plate and the pushing piece are arranged between the telescopic elastic plate and the pushing piece, the movable tensioning piece is arranged on the outer arc surface of the telescopic elastic plate, a plurality of air outlet channels connected with the movable tensioning piece are arranged in the movable tensioning piece, one ends of the air outlet channels are inserted into the telescopic elastic plate, the other ends of the air outlet channels are connected onto the pull plate, the pull plate is connected with the outer arc surface of the movable tensioning piece in a matching mode, the inside of the air outlet channels are connected with the circulation layer, the connecting columns are inserted into the shell, and connecting blocks are connected to two sides of the connecting columns.

As a further optimization of the invention, the rotating assembly comprises an installation block, a fixed seat, a motor, a rotating adjusting piece, a guide piece, a butt joint block, guide rods and a sliding block, wherein the fixed seat is arranged on the installation block, the motor is arranged in the fixed seat and connected with the rotating adjusting piece, the bottom of the rotating adjusting piece is connected with the top of the fixed seat, the butt joint block is arranged on the rotating adjusting piece, the butt joint block is connected with the three guide rods, the other ends of the three guide rods are fixedly connected with the guide piece, the bottom of the guide piece is connected with the sliding block, the sliding block is movably clamped with the rotating guide rail, and the installation block is fixedly connected to the middle position of the installation disc.

As a further optimization of the invention, the rotary adjusting part comprises a clamping seat, an inserting ring, auxiliary supporting pieces, a chuck and a rotary table, wherein the inserting ring is arranged on both sides inside the clamping seat, the clamping seat is arranged at the middle position of the rotary table, the rotary table is movably connected with the chuck, a plurality of auxiliary supporting pieces connected with the chuck are arranged on the chuck, the auxiliary supporting pieces are annularly arranged on the chuck at equal intervals, the auxiliary supporting pieces are connected with the rotary table through the chuck, the rotary table is connected with a motor, the bottom of the chuck is connected with the top of a fixed seat, and the inserting ring is connected with a butt joint block in a matching manner.

The auxiliary supporting piece comprises two sliding arc blocks, two linkage pieces, a fixed block and a supporting and buffering piece, the two linkage pieces are symmetrically arranged at the upper end and the lower end of the supporting and buffering piece, one ends of the two linkage pieces, which are far away from the supporting and buffering piece, are respectively connected with the sliding arc blocks and the fixed block, the fixed block is fixedly connected to a chuck, the sliding arc blocks are connected with a rotating disc through the chuck, and the supporting and buffering piece is arranged in the chuck.

As a further optimization of the invention, a plurality of guide assemblies are all in an arched state and are annularly arranged on the shell at equal intervals.

Advantageous effects

The invention relates to an air purification device for building decoration, which has the following beneficial effects:

1. the invention controls the fan component to operate by the controller through the base, the air outlet guide component, the intercommunicating guide disc and the frame body, so that air enters the main body from the air inlet, the air is filtered by the filter component, the intercommunicating guide disc is communicated with the filter component, the air after being processed by the filter component is conducted to the intercommunicating guide disc, the air is dispersedly conducted to the air outlet guide component through the intercommunicating guide disc, and the air is stably and outwards conducted through the air outlet guide component, thereby improving the air purification effect.

2. According to the invention, through the mounting disc, the rotating assembly, the guide assembly, the connecting block, the rotating guide rail and the shell, the treated air is conducted into the shell through the intercommunicating guide disc, the rotating assembly is controlled by the controller to rotate on the rotating guide rail, the flow rate of the treated air of the rotating assembly is accelerated along with the treated air in the rotating process of the rotating assembly, the air can generate certain impact force on the guide assembly, the guide assembly can expand outwards after being stressed, and the air is dispersed and conducted out through the plurality of guide assemblies.

3. The invention uses the connection columns, the pulling plate, the air outlet channel, the circulation layer, the movable stretching piece, the telescopic elastic plate, the pushing piece and the triangular support, the movable stretching piece is connected between the two connection columns, when the air impacts the pushing piece under the action of the rotating component, the pushing piece is impacted by the air and can upwards push out the triangular support, the interior of the triangular support is in a solid state, the triangular support is not easy to deform under the impact force, the movable stretching piece can be upwards pushed up by the telescopic elastic plate under the action of the pushing piece, after the movable stretching piece is pushed up, the radian of the movable stretching piece is increased, the air outlet channels are stretched along with the movable stretching piece, the circulation layer connected to the ends of the air outlet channels can be stretched and stretched along with the movable stretching layer under the traction action, so that the circulation holes in the circulation layer can be stretched along with the movable stretching layer, the treated air can be effectively led out, the air outlet channels are in a shape of narrow top and wide bottom, and can effectively block the external air, effectively avoid appearing the palirrhea phenomenon of air, stably outwards derive the air.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural view of an air purification device for architectural decoration according to the present invention;

FIG. 2 is a schematic view showing the internal structure of the anti-reverse flow device of the present invention.

FIG. 3 is a schematic top view of the intercommunicating guide plate of the present invention.

Fig. 4 is a schematic top view of the air outlet guide according to the present invention.

Fig. 5 is a schematic cross-sectional view of the guide assembly of the present invention.

FIG. 6 is a side view of the rotating assembly of the present invention.

Fig. 7 is a schematic top view of the rotatable adjusting member of the present invention.

In the figure: controller-1, fan-6, connecting cover-3, air inlet-5, main body-2, filter-7, anti-backflow device-4, base-Q1, air outlet guide-E3, intercommunicating guide disc-W2, frame-T4, connector-R11, socket-Y13, connecting disc-I15, air guide-T12, partition net-U14, mounting disc-E51, rotating component-U55, guide component-R53, connecting block-Y54, rotating guide-I56, shell-T52, connecting column-A61, pull plate-J68, air outlet channel-S62, circulating layer-F64, movable tension component-H66, telescopic elastic plate-K67, pushing component-G65, triangular support-D63, mounting block-D21, fixing seat-F23, motor-J25, The device comprises a rotary adjusting piece-L27, a guide piece-Z28, a butt joint block-H24, a guide rod-G22, a slide block-K26, a clamping seat-K31, a plug-in ring-Z33, an auxiliary supporting piece-C35, a chuck-X34, a rotary disc-L32, a sliding arc block-C41, a linkage piece-M44, a fixed block-N42 and a supporting slow piece-V43.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a building decoration air purification device, its structure includes controller 1, fan spare 6, connects lid 3, air intake 5, main part 2, filters piece 7, prevents the refluence device 4, controller 1 is established in

main part

2, 2 inside fan spare 6, the filtration piece 7 of being equipped with of main part, 2 tops of main part coincide and are connected with connection lid 3, be equipped with a plurality of air intakes 5 that switch on mutually with it on the connection lid 3, 2 bottoms of main part coincide and are connected with and prevent refluence device 4.

Referring to fig. 2, the anti-backflow device 4 includes a base Q1, an air outlet guide E3, an intercommunicating guide disc W2 and a frame T4, the base Q1 is fixedly connected with the frame T4, the air outlet guide E3 sleeved with the frame T4 is arranged inside the frame T4, the top of the air outlet guide E3 is connected with the intercommunicating guide disc W2, and the frame T4 is connected with the main body 2 in a matching manner.

Referring to fig. 3, the intercommunicating guide disc W2 includes a connector R11, a socket Y13, a connection disc I15, a wind guide port T12, and a screen U14, the connector R11 is disposed at a middle position inside the connection disc I15, four sockets Y13 are disposed on an outer ring of the connection disc I15, a plurality of wind guide ports T12 are disposed inside the connection disc I15, the plurality of wind guide ports T12 are annularly disposed on the connection disc I15 at equal intervals by using a center of the connection disc I15 as a center point, the plurality of wind guide ports T12 are connected to the screen U14, and the connection disc I15 is connected to the wind guide E3.

The partition net U14 is used for matching with the air guide opening T12, the air guide openings T12 are annularly arranged on the connecting disc I15 at equal intervals, air treated by the filter element 7 flows downwards onto the connecting disc I15, the air is dispersed and led outwards through the air guide openings T12, and the partition net U14 is arranged on the air guide opening T12 and can further filter the air.

Referring to fig. 4, the air outlet guide E3 includes a mounting disc E51, a rotating assembly U55, a guiding assembly R53, a connecting block Y54, a rotating guide rail I56, and a casing T52, the mounting disc E51 is fixedly connected to the casing T52, the casing T52 is provided with a plurality of guiding assemblies R53 connected to the casing T52, both sides of the plurality of guiding assemblies R53 are connected to a connecting block Y54, the connecting block Y54 is connected to the guiding assembly R53 to form a circular structure, the mounting disc E51 is provided with a rotating guide rail I56, the middle of the mounting disc E51 is connected to the rotating assembly U55, the rotating assembly U55 is movably connected to the rotating guide rail I56, the top of the casing T52 is engaged with the bottom of the connecting disc I15, and the casing T52 is disposed on the frame T4.

Referring to fig. 4, a plurality of the guide members R53 are in an arch shape and are annularly arranged on the housing T52 at equal intervals.

The connecting block Y54 is used for matching with the guide assembly R53, the connecting blocks Y54 are connected to both sides of the plurality of guide assemblies R53, the connecting blocks Y54 are connected to form a circular ring structure, and the guide assembly R53 is restrained by the connecting block Y54, so that the guide assembly R53 can stably guide the gas outwards.

Referring to fig. 5, the guiding assembly R53 includes connection posts a61, a pull plate J68, air outlets S62, a circulation layer F64, a movable opening member H66, a telescopic elastic plate K67, a pushing member G2, and a triangular support D63, a telescopic elastic plate K61 and a pushing member G61 are connected between the two connection posts a61, a triangular support D61 connected to the telescopic elastic plate K61 is disposed between the telescopic elastic plate K61 and the pushing member G61, a movable opening member H61 is disposed on an extrados surface of the telescopic elastic plate K61, a plurality of air outlets S61 connected to the movable opening member H61 are disposed inside the movable opening member H61, one end of the plurality of air outlets S61 is inserted into the telescopic elastic plate K61, the other end of the plurality of air outlets S61 is connected to the pull plate J61, the pull plate J61 is connected to an extrados surface of the movable opening member H4, the plurality of air outlets S61 are connected to the flow layers F61, the connection posts a T61 are inserted into the connection posts a shell, and both sides of the connection posts a61 are connected to the connection posts a 61.

Foretell circulation layer F64 is used for cooperating out-wind channel S62, gas can flow out-wind channel S62 inside and flow layer F64 and meet, flow layer F64 receives gaseous impact can outwards ejecting and extend, make the diameter of its inside through-hole can grow thereupon, effectively outwards derive gas, gas can scatter thereupon after the outflow, out-wind channel S62 is under the narrow wide isosceles trapezoid structure, effectively play the separation effect to gas, effectively avoid appearing the palirrhea phenomenon of air.

Example two

main part

Referring to fig. 2, the anti-backflow device 4 includes a base Q1, an air outlet guide E3, an intercommunicating guide disc W2, and a frame T4, wherein the base Q1 is fixedly connected to the frame T4, the air outlet guide E3 is disposed inside the frame T4, the top of the air outlet guide E3 is connected to the intercommunicating guide disc W2, and the frame T4 is engaged with the main body 2.

Referring to fig. 6, the rotating assembly U55 includes a mounting block D21, a fixing base F23, a motor J25, a rotating adjustment piece L27, a guide piece Z28, a docking block H24, a guide rod G22, and a slider K26, the mounting block D21 is provided with the fixing base F23, the fixing base F23 is internally provided with a motor J25, the motor J25 is connected with the rotating adjustment piece L27, the bottom of the rotating adjustment piece L27 is connected with the top of the fixing base F23, the rotating adjustment piece L27 is provided with a docking block H24, the docking block H24 is connected with three guide rods G22, the other ends of the three guide rods G22 are fixedly connected with the guide piece Z28, the bottom of the guide piece Z28 is connected with a slider K26, the slider K26 is movably connected with a rotating guide rail I56, and the mounting block D21 is fixedly connected to the middle position of the mounting plate E51.

The guide rod G22 is used for being matched with the guide piece Z28, one end of the guide rod G22 is inserted into the butt joint block H24, the butt joint block H24 can drive the guide rod G22 to rotate through the rotary adjusting piece L27, the guide rod G22 and the guide piece Z28 are installed together, the guide piece Z28 can rotate along with the guide rod G22, and therefore the flow rate of air is accelerated.

Referring to fig. 7, the rotating adjustment member L27 includes a card seat K31, a plug ring Z33, an auxiliary support member C35, a chuck X34, and a turntable L32, wherein the plug ring Z33 is installed on both sides of the inside of the card seat K31, the card seat K31 is installed at the middle position of the turntable L32, the turntable L32 is movably connected to the chuck X34, the chuck X34 is provided with a plurality of auxiliary support members C35 connected thereto, the plurality of auxiliary support members C35 are annularly installed on the chuck X34 at equal intervals, the auxiliary support member C35 is connected to the turntable L32 through the chuck X34, the turntable L32 is connected to the motor J25, the bottom of the chuck X34 is connected to the top of the fixed seat F23, and the plug ring Z33 is connected to the butt block H24 in a matching manner.

Referring to fig. 7, the auxiliary supporting member C35 includes two sliding arc blocks C41, two linkage members M44, a fixed block N42, and a supporting buffer member V43, two linkage members M44 are provided, two linkage members M44 are symmetrically disposed at the upper and lower ends of the supporting buffer member V43, one ends of the two linkage members M44 far away from the supporting buffer member V43 are respectively connected to the sliding arc block C41 and the fixed block N42, the fixed block N42 is fixedly connected to a chuck X34, the sliding arc block C41 is connected to a turntable L32 through the chuck X34, and the supporting buffer member V34 is disposed inside the chuck X34.

Foretell arc piece C41 is used for cooperating chuck X34, carousel L32 meets with chuck X34, carousel L32 rotates at chuck X34 inside under motor J25's the drive, chuck X34 internally mounted has a plurality of supports and delays piece V43, support and delay piece V43 and meet through arc piece C41 and carousel L32, when carousel L32 is when rotating, support and delay piece V43 and can play the effect of shock attenuation buffering, make carousel L32 can stabilize and rotate in chuck X34 inside.

The working principle of the above technical solution is explained as follows:

when the air purifier is used, the controller is used for controlling the fan part 6 to operate, so that indoor air enters the main body 2 from the air inlet 5, the air is purified and filtered through the filter part 7, the air is purified and then conducted to the connecting disc I15 through the filter part 7, the connecting disc I15 is provided with a plurality of air guide ports T12, the air is dispersed and guided out through a plurality of air guide ports T12, the air guide ports T12 are provided with the partition net U14, the air can be further filtered, the treated air flows downwards to the inside of the shell T52 through the air guide ports T12, one end of the guide rod G22 is inserted into the butt-joint block H24, the other end of the guide rod G22 is matched and connected with the guide part Z28, the slide block K26 at the lower end of the guide part Z28 is connected to the rotating guide rail I56, the lower end of the butt-joint block H24 is vertically inserted into the butt-joint ring Z33, and is mutually matched and installed on the middle position of the rotating disc 5957342 through the plug-joint ring Z33 and the K clamping seat H24, the controller 1 drives a motor J25 to operate, a turntable L32 is driven by a motor J25 to rotate in a chuck X34, a plurality of supporting buffering members V43 are installed in a chuck X34, a supporting buffering member V43 is connected with a turntable L32 through a sliding arc block C41, when a turntable L32 rotates, the turntable L32 is contacted with a sliding arc block C41, the sliding arc block C41 is contacted with a rotating disc L32 and pushes a linkage M44 inwards, the linkage M44 transmits the impact force to the supporting buffering member V43, the supporting buffering member V43 is pressed and retracts inwards to expand outwards, the supporting buffering member V43 is pressed and presses the linkage M44 at the other end simultaneously, the linkage M44 at the other end is connected with a fixed block N44, the inside of the fixed block N44 is in a compact state and is not easy to retract inwards after being pressed, a certain reaction force is generated to drive the linkage M44 to move outwards, the supporting buffering member M44 is linked with the outer 44, and the turntable M44 is connected with the outer buffering member 44, and the outer 44, the supporting buffering piece V43 plays a role in shock absorption and buffering, so that the turntable L32 can drive the butt joint block H24 to stably rotate inside the chuck X34, the butt joint block H24 is connected with the guide rod G22, the guide rod G22 can drive the guide piece Z28 to rotate under the action of the butt joint block H24, the sliding block K26 at the lower end of the guide piece Z28 can rotate on the rotating guide rail I56 along with the sliding block, the position of the guide piece Z28 is limited through the rotating guide rail I56, and the rotating assembly U55 can be stably connected inside the casing T52 to rotate;

the guide piece Z28 and the guide rod G22 are driven by the motor J25 to rotate at a high speed, air conducted into the guide piece Z28 and the guide rod G22 flows at a high speed in a vortex shape, after the flow rate of the air is increased, certain impact force is generated on the pushing piece G65, the pushing piece G65 is subjected to impact force, two ends of the pushing piece G65 are fixedly connected to the connecting column A61, the middle position of the pushing piece G3525 pushes the triangular support D63 upwards due to inward bending arc of the impact force, the interior of the triangular support D63 is in a solid state and cannot deform after being subjected to the pushing force, the triangular support D63 can stably push the telescopic elastic plate K67 upwards under the action of the pushing piece G65, the movable tension piece H66 is pushed upwards under the drive of the telescopic elastic plate K67, after the movable tension piece H66 is pushed, the top of the movable tension piece H66 is connected with the pull plate J68, the pull plate J68 can open the end part of the air outlet duct S62 under the action of the movable tension piece H66, and the radian of the pull plate J62 is increased, the air outlets S62 expand and enlarge under the action of the movable tension piece H66 and the pull plate J68, the circulation layer F64 connected to the end of the air outlet S62 extends and ejects under the action of the outward traction of the air outlet S62, so that the diameter of the circulation hole in the circulation layer F64 expands and expands, the purified air flows out quickly through the circulation holes in the circulation layer F64, the air outlet S62 is of an isosceles trapezoid structure with a narrow upper part and a wide lower part, the separation effect on the external air is effectively achieved, the phenomenon of reverse flow of the air is avoided, the air is led out stably, the rotation component U55 stops rotating after the air is led out completely, the telescopic elastic plate K67 and the pushing piece G65 generate resilience to pull the movable tension piece H66 back inwards under the action of no thrust, the movable tension piece H66 retracts inwards, and the plurality of air outlets S62 arranged on the movable tension piece H66 narrow and narrow, the circulation layer F64 connected with the end part of the filter element can contract along with the air flow, so that the outside air is effectively blocked, the untreated outside air is prevented from flowing into the main body 2, the smoothness of the filter element 7 is kept, and the air purifying effect of the purifying equipment is improved.

In summary, the invention adopts a combination of the controller, the fan member, the connecting cover, the air inlet, the main body, the filter member and the anti-reverse flow device to form a new air purification device for architectural decoration, the controller is used for controlling the fan member to operate, so that air enters the main body from the air inlet, the air is filtered by the filter member, the intercommunicating guide disc is communicated with the filter member, so that the air after being processed by the filter member is conducted to the intercommunicating guide disc, the air is dispersedly conducted to the air outlet guide member by the intercommunicating guide disc, and the air is stably led out by the air outlet guide member, thereby improving the air purification effect.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a building decoration fitment air purification device, its structure includes controller (1), fan spare (6), connection lid (3), air intake (5), main part (2), filters piece (7), prevents reverse flow device (4), its characterized in that:

the controller (1) is arranged on the main body (2), the main body (2) is provided with a fan part (6) and a filter part (7), the main body (2) is connected with the connecting cover (3) in an inosculating way, the connecting cover (3) is provided with an air inlet (5), and the main body (2) is connected with the anti-backflow device (4) in an inosculating way;

the anti-backflow device (4) comprises a base (Q1), an air outlet guide piece (E3), an intercommunicating guide disc (W2) and a frame body (T4), wherein the base (Q1) is fixedly connected with the frame body (T4), the air outlet guide piece (E3) is installed on the frame body (T4), the air outlet guide piece (E3) is connected with the intercommunicating guide disc (W2), and the frame body (T4) is connected with the main body (2) in a matched mode.

2. An architectural decoration and finishing air purification apparatus according to claim 1, wherein: the intercommunicating guide disc (W2) comprises a connector (R11), a socket (Y13), a connecting disc (I15), an air guide opening (T12) and a separation net (U14), wherein the connector (R11) is arranged on the connecting disc (I15), the socket (Y13) is arranged on the connecting disc (I15), the air guide opening (T12) is arranged on the connecting disc (I15), the separation net (U14) is connected to the air guide opening (T12), and the connecting disc (I15) is connected with the air outlet guide piece (E3).

3. An architectural decoration and finishing air purification apparatus according to claim 1, wherein: air-out guide spare (E3) is including mounting disc (E51), rotating assembly (U55), guide subassembly (R53), joint block (Y54), rotation guide rail (I56), casing (T52), mounting disc (E51) and casing (T52) fixed connection, be equipped with guide subassembly (R53) on casing (T52), guide subassembly (R53) are connected with joint block (Y54), install on mounting disc (E51) and rotate guide rail (I56), be connected with rotating assembly (U55) on mounting disc (E51), rotating assembly (U55) and rotation guide rail (I56) swing joint, casing (T52) and connection pad (I15) coincide and are connected, casing (T52) is established on framework (T4).

4. A building finishing air cleaning device as claimed in claim 3, wherein: the guide component (R53) comprises a connecting column (A61), a pulling plate (J68), an air outlet channel (S62), a circulation layer (F64), a movable tension piece (H66), a telescopic elastic plate (K67), a pushing piece (G65) and a triangular support (D63), the connecting column (A61) is connected with a telescopic elastic plate (K67) and a pushing piece (G65), a triangular support (D63) is arranged between the telescopic elastic plate (K67) and the pushing piece (G65), the telescopic elastic plate (K67) is provided with a movable tension piece (H66), the movable tension piece (H66) is connected with an air outlet channel (S62), a plurality of air outlet channels (S62) are connected with the telescopic elastic plate (K67) and a pull plate (J68), the pulling plate (J68) is matched and connected with the movable tensioning piece (H66), the air outlet channel (S62) is connected with a circulating layer (F64), the connecting column (A61) is inserted into the shell (T52), and the connecting column (A61) is connected with a connecting block (Y54).

5. A building finishing air cleaning device as claimed in claim 3, wherein: the rotating assembly (U55) comprises a mounting block (D21), a fixing seat (F23), a motor (J25), a rotating adjusting piece (L27), a guide piece (Z28), a butt joint block (H24), a guide rod (G22) and a sliding block (K26), wherein the fixing seat (F23) is arranged on the mounting block (D21), the motor (J25) is mounted on the fixing seat (F23), the motor (J25) is connected with the rotating adjusting piece (L27), the rotating adjusting piece (L27) is connected with the fixing seat (F23), the rotating adjusting piece (L27) is provided with a butt joint block (H24), the butt joint block (H24) is connected with the guide rod (G22), the guide rod (G22) is fixedly connected with the guide piece (Z28), the guide piece (Z28) is connected with the sliding block (K26), the sliding block (K26) is movably clamped with the rotating guide rail (I56), and the mounting block (D21) is fixedly connected with a mounting disc (51).

6. An air cleaning device for building decoration according to claim 5, wherein: the rotary adjusting piece (L27) comprises a clamping seat (K31), a plug-in ring (Z33), an auxiliary supporting piece (C35), a chuck (X34) and a rotary table (L32), wherein the plug-in ring (Z33) is installed on the clamping seat (K31), the clamping seat (K31) is arranged on the rotary table (L32), the rotary table (L32) is movably connected with the chuck (X34), the auxiliary supporting piece (C35) is connected with the rotary table (L32) through the chuck (X34), the rotary table (L32) is connected with a motor (J25), the chuck (X34) is connected with a fixed seat (F23), and the plug-in ring (Z33) is connected with an abutting block (H24) in a matching manner.

7. The air cleaning device for building decoration according to claim 6, wherein: supplementary strutting piece (C35) is including smooth arc piece (C41), linkage piece (M44), fixed block (N42), support and delay piece (V43), linkage piece (M44) are established and are being supported and delay on piece (V43), linkage piece (M44) are connected with smooth arc piece (C41), fixed block (N42), fixed block (N42) fixed connection is on chuck (X34), smooth arc piece (C41) meet through chuck (X34) and carousel (L32), support and delay piece (V43) and establish on chuck (X34).

8. A building finishing air cleaning device as claimed in claim 3, wherein: a plurality of the guide assemblies (R53) are all in an arch state and are equidistantly annularly established on the shell (T52).