CN109499198B

CN109499198B - Air purifier

Info

Publication number: CN109499198B
Application number: CN201811574187.0A
Authority: CN
Inventors: 岑露明
Original assignee: Ningbo Honglu Electronic Commerce Co ltd
Current assignee: Ningbo Honglu Electronic Commerce Co ltd
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2021-01-15
Anticipated expiration: 2038-12-21
Also published as: CN109499198A

Abstract

The invention belongs to the technical field of purification equipment, and particularly discloses an air purifier which comprises a box body, wherein a delivery pump, a filter layer and an activated carbon layer are sequentially arranged in the box body from bottom to top; the filter layer includes rigid coarse filtration net, with coarse filtration net fixed connection's sponge and with the sealed sliding connection's of box inner wall clamp plate, coarse filtration net is located the delivery pump top, is equipped with on the sponge and can be to its clear clean mechanism, is equipped with the fine filtration net in the clamp plate. By adopting the device and the method, the oil fume in a kitchen can be purified and the peculiar smell in the kitchen can be removed by utilizing the filter screen, the sponge and the activated carbon layer, and meanwhile, the cleaning mechanism can clean the device per se and avoid the attachment of oil stains in the device.

Description

Air purifier

Technical Field

The invention belongs to the technical field of purification equipment, and particularly relates to an air purifier.

Background

Air purification means to provide the whole solutions of disinfecting, dust fall and haze removal, removing harmful decoration residues and peculiar smell aiming at various indoor environmental problems, and air purification equipment is a product capable of filtering or killing air pollutants and effectively improving air cleanliness.

As is known to all, the air quality of a kitchen is poor, and particularly in a kitchen of a restaurant, a lot of oil smoke can be diffused in the air, and the oil smoke contains various harmful substances and is harmful to human health. Therefore, people gradually introduce air purification equipment into a kitchen to purify oil smoke. And the smoke ventilator who adopts usually among the prior art utilizes oil smoke filter screen and air exhauster to realize the oil smoke and filters, and the oil smoke easily glues on the filter screen, causes the filter fume effect not good, need dismantle the filter screen simultaneously and take off just can wash, and the operation is inconvenient.

Disclosure of Invention

The invention aims to provide an air purifier, which realizes the purification of kitchen oil smoke.

In order to achieve the purpose, the basic scheme of the invention is as follows: an air purifier comprises a box body, wherein a plurality of air outlets are formed in the top of the box body, air inlets are formed in the side wall of the box body, the box body is connected with a cleaning mechanism for cleaning the interior of the box body, a conveying pump and a filter layer are arranged in the box body, the conveying pump is positioned at the bottom of the box body, an air inlet pipe is communicated between one side of the conveying pump and the air inlets of the box body, an opening is formed in the top of the conveying pump, and the conveying pump is connected; the filter layer is located the delivery pump top, including rigid coarse filtration net, sponge and clamp plate, coarse filtration net and box inner wall fixed connection, coarse filtration net central point put with delivery pump opening part fixed connection, the sponge is located the top of coarse filtration net, the edge of sponge and the edge fixed connection of coarse filtration net, the sponge top is arranged in to the clamp plate, and clamp plate and box inner wall sealing sliding connection are equipped with the intermediate layer in the clamp plate, be equipped with the fine filtration net in the intermediate layer, the top and the bottom of clamp plate all are equipped with a plurality of gas pockets.

The working principle and the beneficial effects of the basic scheme are as follows: the driving mechanism drives the conveying pump to operate, the conveying pump sucks air outside the device into the conveying pump from the air inlet and then the air is conveyed to the opening of the conveying pump by the conveying pump, and the conveying pump can continuously convey the air to the opening of the conveying pump, so that the subsequently arrived air continuously pushes the air in front of the conveying pump, the air can move towards the coarse filter screen more quickly, and the air rising speed is accelerated;

the coarse filter screen can preliminarily filter dust particles in the air, the air filtered by the coarse filter screen moves into the sponge, the air is far away from an opening of the conveying pump, the thrust of the subsequent air is reduced, meanwhile, the air is diffused from a high concentration to a low concentration position due to the intermolecular interaction in the air, and then the air is diffused from the coarse filter screen to the sponge and fully contacts with the sponge, namely, the oil stain carried by the air is fully contacted with the sponge, so that the filtering effect of the sponge on the oil stain is ensured; the pressing plate is positioned above the sponge, the air filtered by the sponge naturally rises to enter the interlayer, the fine filter screen in the interlayer further filters the air without oil stains, the quality of the discharged air is ensured, a certain distance is reserved between the pressing plate and the sponge, and the air with the oil stains is heavier than the air with the oil stains and filtered completely, so that the filtered clean air can move into the interlayer more quickly, the air with the oil stains can stay on the upper surface of the sponge for a while, and the oil stains in the air are ensured to be fully filtered by the sponge; the plurality of air outlets ensure that the purified air is quickly discharged.

Further, the cleaning mechanism comprises a water tank positioned outside the tank body, a piston plate in sealed sliding connection with the inner wall of the water tank and a cavity arranged in the side wall of the tank body, the bottom of the water tank is communicated with one side of the delivery pump, a first water inlet pipe is arranged at the bottom of the water tank, a water inlet is respectively arranged at the bottom and the top of the water tank, a one-way valve which is communicated into the water tank in a one-way mode is arranged at the water inlet, and a; a connecting rod is fixedly connected between the piston plate and the pressing plate, and the driving mechanism drives the piston plate to move up and down; the cavity is communicated with the top of the water tank and is provided with a second water inlet pipe, and the cavity is communicated with the interior of the tank body and is provided with a plurality of water outlets.

Like this when actuating mechanism orders about the piston board during rebound, because the second inlet tube of intercommunication between water tank top and cavity, the liquid that lies in the piston board top in the water tank receives the piston board extrusion and gets into the second inlet tube, gets into the cavity by the second inlet tube again, and inside the liquid in the cavity got into the box from the delivery port, sprayed on the sponge. Meanwhile, the piston plate moves upwards, the connecting rod is utilized to drive the pressing plate to move upwards synchronously, the pressing plate moves upwards to avoid liquid in the cavity from flowing into the upper portion of the pressing plate, negative pressure is formed between the piston plate and the bottom of the water tank at the moment, the one-way valve at the water inlet at the bottom of the water tank is opened, and liquid outside the water tank can enter the water tank.

When the driving mechanism drives the piston plate to move downwards, a first water inlet pipe is communicated between the bottom of the water tank and the conveying pump, and liquid in the water tank, which is positioned below the piston plate, is pushed downwards by the piston plate, so that the liquid enters the first water inlet pipe and then enters the conveying pump; the piston plate and the top of the water tank form negative pressure, and the one-way valve at the water inlet at the top of the water tank is communicated, so that water outside the water tank can enter the water tank. At the moment, the conveying pump operates to convey the liquid entering the conveying pump to the opening of the conveying pump, part of the liquid is contacted with the coarse filter screen from the opening and then contacted with the sponge, and the coarse filter screen and the soaked sponge are sequentially washed; and the other part of liquid flows in the conveying pump along with the operation of the conveying pump and reaches the joint of the conveying pump and the first water inlet pipe again, and is conveyed to the opening of the conveying pump together with the subsequently entering liquid, and the liquid circulates for a circle in the conveying pump to clean the inner wall of the conveying pump.

In the process that the piston plate moves down, the piston plate drives the pressing plate to move down to extrude the sponge, so that liquid in the sponge is discharged with oil stains, meanwhile, the extrusion of the pressing plate enables partial liquid in the sponge to flow into the interlayer, the fine filter screen is cleaned, and in addition, the fine filter screen is arranged in the pressing plate, so that the liquid cannot flow into the upper surface of the fine filter screen, and the upper space of the pressing plate is prevented from being polluted. The cleaned liquid falls freely from the upper part of the coarse filter screen under the action of self gravity to wash the coarse filter screen, and simultaneously washes away dust particles and oil stains on the inner wall of the box body and the shell of the delivery pump, and simultaneously cleans oil stain gas deposited at the bottom of the box body, and the liquid falling into the bottom of the box body is discharged from a water discharge port; the electric heating wire heats the liquid in the water tank, and the warm liquid cleaning device is utilized, so that the oil stain removing effect is better.

Further, actuating mechanism includes the pivot of being connected with the delivery pump transmission, orders about pivot pivoted power supply and arranges the runner between water tank bottom and piston plate in, fixedly connected with action wheel in the pivot, fixedly connected with locating lever on the runner, and sliding connection has from the driving wheel on the locating lever, and the runner edge articulates there is the connecting rod, and the connecting rod is articulated with piston plate bottom.

The power supply drives the rotating shaft to rotate, the rotating shaft rotates to drive the conveying pump to operate, and meanwhile, the driving wheel fixedly connected with the rotating shaft rotates to push the driven wheel to slide on the positioning rod, so that the driven wheel is meshed with or staggered with the driving wheel. When the driven wheel is meshed with the driving wheel, the driving wheel rotates to drive the driven wheel to rotate, the positioning rod rotates along with the driven wheel, so that the rotating wheel is driven to rotate, the rotating wheel, the connecting rod and the piston plate can be approximately regarded as a crank-slider mechanism, and the rotating wheel rotates to enable the piston plate to move up and down.

Further, a first door plate is hinged at the air inlet, a second door plate is hinged at the bottom of the joint of the first water inlet pipe and the delivery pump, and a linkage mechanism is arranged between the first door plate and the second door plate; the linkage mechanism comprises a fixed rod, a groove and a cross rod, the fixed rod is arranged above the first door plate, one end of the fixed rod is hinged with the outer wall of the box body, the other end of the fixed rod is provided with a hole, the first door plate is hinged with a hook capable of penetrating through the hole, and one side of the first door plate facing the outside of the box body is provided with an inclined plate which inclines upwards and outwards; the groove is arranged in the bottom plate of the box body, the opening of the groove is arranged on the same side as the first door plate, the opening of the groove is overlapped with the first door plate in a vertical state, the cross rod is connected with the inner wall of the groove in a sliding mode, a reset spring is arranged between one end of the cross rod and the bottom of the groove, the end of the cross rod is hinged with the swing rod, and the swing rod is fixedly connected with the bottom of the second door plate.

The hook on the first door plate is pulled to open the first door plate, the hook penetrates through the hole of the fixing rod, the first door plate is fixed by the aid of pulling force of the fixing rod, and the opening state is kept. At the moment, the return spring keeps a natural state, the cross rod extends out of the groove, and the second door panel is in a closed state; the hook is taken out of the hole of the fixing rod, downward acting force is applied to the first door panel, the first door panel is closed, the fixing rod is swung to be in a vertical state, the bottom of the fixing rod abuts against the inclined plate and the first door panel just, and therefore the first door panel is kept in a closed state. In the process, the first door plate moves downwards to push the cross rod into the groove, the swing rod swings along with the groove, the second door plate is opened, meanwhile, the first door plate keeps a closed state to support the cross rod, and the second door plate keeps an opened state.

Furthermore, an activated carbon layer is arranged above the filtering layer, and the particle size of activated carbon of the activated carbon layer is reduced from bottom to top in sequence.

The active carbon can remove peculiar smell, bacteria and other harmful substances in the air, the active carbon at the bottom of the active carbon layer has large particle size, and the larger the gap between the particle size and the particle size, so that compared with the active carbon with small particle size, the active carbon enables gas to enter the active carbon layer more easily, meanwhile, the air moves faster between the active carbon layers, the retention time of the air between the active carbon layer and the pressing plate is shorter, the air below the pressing plate is prevented from rising, and the purification rate is improved; the gaps among the activated carbon with smaller particle size are smaller, so that the air is more fully contacted with the activated carbon, and the air purification effect is ensured.

Furthermore, a one-way valve which is communicated to the outside of the delivery pump in a one-way is arranged at the opening of the delivery pump. Thus, the sewage of cleaning sponge and other parts is prevented from flowing back into the delivery pump.

Furthermore, bulges are arranged on two sides of the inner ring of the driven wheel, and sliding grooves in sliding fit with the bulges are arranged on two sides of the positioning rod. Therefore, the driven wheel can slide along the axial direction of the rod body of the positioning rod, and the driven wheel drives the positioning rod to rotate when rotating.

Further, the coarse filter screen is inclined downwards from the center to the edge. Compare with flat coarse filter screen like this, belt cleaning device's liquid can wash the box inner wall along the edge of the network flow direction coarse filter screen of coarse filter screen, reduces simultaneously that sewage is piled up at the delivery pump opening part, makes the cleaning performance better.

Furthermore, the bottom of the water outlet is a downward and inward inclined plane, and the caliber of the water outlet is one centimeter. The delivery port slope sets up and makes water change under self action of gravity and flow, makes the velocity of water out faster, and the delivery port setting is less simultaneously, makes water obtain bigger pressure when flowing out the delivery port, and when water sprayed on the sponge, causes bigger impact force to the sponge, washes the dirt on the sponge, makes the cleaning performance better.

Drawings

FIG. 1 is a front cross-sectional view of an embodiment of an air purifier of the present invention;

fig. 2 is an enlarged view of a driving structure in a transverse section in an embodiment of the air cleaner of the present invention.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the device comprises a box body 1, a water tank 2, an eccentric wheel pump 3, a coarse filter screen 4, a pressing plate 5, a fine filter screen 6, an activated carbon layer 7, an air outlet 8, sponge 9, a rotating wheel 10, a first water inlet pipe 11, a second water inlet pipe 12, a connecting rod 13, a connecting rod 14, a cavity 15, a first door panel 16, a second door panel 17, a cross rod 18, a swinging rod 19, a rotating shaft 20, a positioning rod 21, a driving wheel 22 and a driven wheel 23.

The embodiment example is shown in the attached figure 1: the utility model provides an air purifier, includes box 1 and arranges water tank 2 on the outside right side of box 1 in, and 1 top of box is equipped with a plurality of gas outlets 8, and open on the right side of 1 bottom of box has the outlet, by supreme delivery pump, filter layer and the activated carbon layer 7 of being equipped with in proper order down in the box 1, is equipped with actuating mechanism between water tank 2 and box 1.

An eccentric wheel pump 3 is adopted as a delivery pump, the eccentric wheel pump 3 is fixedly connected with the bottom of a box body 1, an air inlet pipe is communicated between the end surface at the lower left of the eccentric wheel pump 3 and the inner wall at the left side of the box body 1, an air inlet is formed at the joint of the air inlet pipe and the box body 1, and a first door plate 16 is hinged to the top at the left side of the air inlet; a first water inlet pipe 11 is communicated with the bottom of the water tank 2 on the end surface of the right lower part of the eccentric wheel pump 3, and a second door panel 17 is hinged to the bottom of the joint of the first water inlet pipe 11 and the eccentric wheel pump 3; the top of the eccentric pump 3 is provided with a vertical opening.

The filtering layer is sequentially provided with a pressing plate 5, a block-shaped sponge 9 and a rigid coarse filter screen 4 from top to bottom, the pressing plate 5 is connected with the inner wall of the box body 1 in a sealing and sliding manner, an interlayer is arranged in the pressing plate 5, a fine filter screen 6 is fixedly connected in the interlayer, a plurality of vertical air holes are formed in the top and the bottom of the pressing plate 5, and the interlayer is communicated with the inside of the box body 1 through the air holes; the left end and the right end of the bottom of the sponge 9 are fixedly connected with the upper surface of the coarse filter screen 4, the bottom of the sponge 9 is attached to the upper surface of the coarse filter screen 4, and the upper surface of the sponge 9 can be attached to the pressing plate 5; the edge of the coarse filter screen 4 is fixedly connected with the inner wall of the box body 1, the coarse filter screen 4 inclines downwards from the center position to the edge, and the center part of the coarse filter screen 4 is fixedly connected with the opening of the delivery pump.

The activated carbon layer 7 is fixedly connected with the left side wall and the right side wall in the box body 1, and the particle size of the activated carbon in the activated carbon layer 7 is reduced from bottom to top in sequence.

Be equipped with the dead lever directly over first door plant 16, the dead lever is articulated with 1 left side outer wall of box, and the dead lever is close to the one end of first door plant 16 and opens there is the hole, and it has the couple that can pass the hole to articulate on the 16 left surface of first door plant, and the couple top is equipped with the hang plate of upwards just outwards slope, hang plate and 16 left side walls fixed connection of first door plant. The bottom of the second door panel 17 is fixedly connected with a swing rod 19, a groove is arranged below the swing rod 19, the groove is arranged in the bottom plate of the box body 1, the left side of the groove is opened, a cross rod 18 is connected in the groove in a sliding mode, the bottom of the cross rod 18 is hinged to the bottom of the swing rod 19, a reset spring is fixedly connected between the cross rod 18 and the right side wall of the groove, and the left end of the cross rod 18 is located on a moving path of the first door panel 16 swinging from.

The top of the water tank 2 is communicated with a second water inlet pipe 12, a water inlet is formed between the bottom and the top of the water tank 2, and a one-way valve which is communicated into the water tank 2 in one way is arranged at the water inlet; the inside of the water tank 2 is hermetically and slidably connected with a piston plate, the top of the piston plate and the top of the pressing plate 5 are fixedly connected with a connecting rod 13, the piston plate and the bottom of the water tank 2 are rotatably connected with a rotating wheel 10, the edge of the rotating wheel 10 is hinged with a connecting rod 14, the connecting rod 14 is hinged with the bottom of the piston plate, and the rotating wheel 10, the connecting rod 14 and the piston plate form a slider-crank mechanism.

The driving mechanism comprises a motor arranged outside the box body 1, a rotating shaft 20 in transmission connection with the motor, a positioning rod 21 fixedly connected with the rotating wheel 10 and cavities 15 arranged in the left side wall and the right side wall of the box body 1, the rotating shaft 20 is fixedly connected with an eccentric wheel in the eccentric wheel pump 3, as shown in figure 2, the rotating shaft 20 is fixedly connected with a driving wheel 22, the positioning rod 21 is slidably connected with a driven wheel 23, the left side wall and the right side wall of the inner ring of the driven wheel 23 are fixedly connected with bulges, and the outer walls of the left side and the right side of the positioning rod 21 are; the cavity 15 is arranged on the left side and the right side of the sponge 9, the cavity 15 is communicated with the second water inlet pipe 12, a plurality of water outlets are communicated between the cavity 15 and the inside of the box body 1, the bottoms of the water outlets are inclined planes which incline downwards and inwards, and the calibers of the water outlets are one centimeter.

Initial state: artificially control first door plant 16 and swing to a take the altitude to left, make the couple pass the hole of dead lever, catch on the dead lever, the fixed lever exerts ascending holding power to the couple, and the couple transmits this holding power to first door plant 16, and first door plant 16 receives the holding power of dead lever and the action of self gravity simultaneously, and the atress keeps balanced, and first door plant 16 keeps the open mode. Meanwhile, the cross rod 18 partially extends out of the groove, the return spring is in a natural state, and the second door panel 17 is closed; the bottom of the connecting rod 14 is positioned at the lowest point of the circumference of the rotating wheel 10, the driving wheel 22 and the driven wheel 23 are staggered, the water tank 2 is filled with cleaning fluid, and the cleaning fluid is formed by mixing water and detergent according to a certain proportion.

The operation process is as follows:

the air purification process: the motor is started, the motor drives the rotating shaft 20 to rotate, the rotating shaft 20 drives the eccentric wheel in the eccentric wheel pump 3 to rotate, the eccentric wheel rotates to suck air outside the box body 1 into the eccentric wheel pump 3 from the air inlet, and then the air is sent to the top opening of the eccentric wheel pump 3 through the rotation of the eccentric wheel.

Air rises and passes coarse filtration net 4, and coarse filtration net 4 filters the dust particle in the air, and then the air continues to receive the pushing of its below gas and moves upward and contact with sponge 9, and the intermolecular interaction in the air, air is by high concentration to low concentration department diffusion, and the air that rises diffuses in sponge 9 promptly, fully contacts with sponge 9, and greasy dirt in the air is all adsorbed by sponge 9. The air continues to move upwards, enters the interlayer from the air hole at the bottom of the pressure plate 5, moves upwards through the fine filter screen 6, and the fine filter screen 6 performs secondary filtration on the air. Air at this moment gets into activated carbon layer 7 through the gas pocket at clamp plate 5 top, and the air fully contacts with the active carbon granule, and the active carbon adsorbs harmful substance such as peculiar smell and bacterium in with the air on self, and the air is discharged from gas outlet 8 at box 1 top this moment, accomplishes the purification of air.

Cleaning process of the inside of the device: the hook is taken out of the hole of the fixing rod, the first door panel 16 is manually pushed rightwards, the first door panel 16 is closed, the fixing rod is swung to be in a vertical state, and the bottom of the fixing rod is simultaneously abutted to the right side wall of the inclined plate and the left side wall of the first door panel 16. In the process, the first door panel 16 pushes the rail 18 to the right, the rail 18 retracts into the recess, and the return spring is in a compressed state. When the cross bar 18 moves rightwards, the right end of the cross bar 18 drives the swing rod 19 to swing leftwards, namely, the second door panel 17 is driven to swing leftwards, and the second door panel 17 is opened and is kept in an opened state.

Then, the electric heating wire is activated, and a pushing force is applied to the driven pulley 23, so that the driven pulley 23 slides on the shaft of the positioning rod 21 until the driven pulley 23 engages with the driving pulley 22. The driving wheel 22 always rotates along with the rotating shaft 20, at the moment, the driving wheel 22 drives the driven wheel 23 to rotate, the driven wheel 23 enables the positioning rod 21 and the driven wheel 23 to synchronously rotate, the positioning rod 21 drives the rotating wheel 10 to rotate, and the rotating wheel 10 rotates to drive the piston plate to move up and down.

When the piston plate moves upwards, cleaning liquid in the water tank 2 above the piston plate enters the second water inlet pipe 12 under the thrust action of the piston plate, the cleaning liquid enters the cavity 15 through the second water inlet pipe 12, and the cleaning liquid entering the cavity 15 enters the box body 1 from the water outlet to wash the sponge 9; in the process of moving the piston plate upwards, the piston plate drives the connecting rod 13 to move upwards, so that the connecting rod 13 drives the pressure plate 5 to move upwards synchronously; at the moment, negative pressure is formed between the piston plate and the bottom of the water tank 2, the one-way valve at the water inlet at the bottom of the water tank 2 is opened, and water outside the water tank 2 can enter the water tank 2.

When the piston plate moves downwards, cleaning liquid positioned below the piston plate in the water tank 2 is extruded by the piston plate to enter the first water inlet pipe 11 and then enter the eccentric wheel pump 3, at the moment, the eccentric wheel in the eccentric wheel pump 3 rotates to convey the cleaning liquid to the opening of the eccentric wheel pump 3, most of the cleaning liquid flows out from the opening, the flowing cleaning liquid firstly washes the coarse filter screen 4 at the opening of the eccentric wheel pump 3, then the bottom of the sponge 9 is soaked, oil stains adsorbed in the sponge 9 are cleaned, the cleaning liquid which is not absorbed by the sponge 9 flows down along the shell of the eccentric wheel pump 3, and dust and oil stains on the shell of the eccentric wheel pump 3 are taken away; the other part of the cleaning liquid flows in the pump along with the rotation of the eccentric wheel and reaches the joint of the delivery pump and the first water inlet pipe 11 again, the cleaning liquid and the cleaning liquid entering subsequently are conveyed to the opening of the delivery pump together, and the part of the cleaning liquid rotates for a circle in the pump to clean the inner wall of the eccentric wheel pump 3.

In the process of moving the piston plate downwards, the piston plate drives the pressing plate 5 to move downwards to extrude the sponge 9, sewage in the sponge 9 is discharged, meanwhile, water in the sponge 9 flows into the interlayer by extrusion of the pressing plate 5, the fine filter screen 6 is cleaned, and the fine filter screen 6 is arranged in the pressing plate 5, so that the sewage cannot penetrate through the fine filter screen 6 to enter the upper layer of the pressing plate 5, and the upper layer space of the pressing plate 5 is prevented from being polluted; the pressing plate 5 moves downwards to scrape off residual oil stains on the side wall of the box body 1, and the oil stains fall on the upper surface of the sponge 9, so that the cleaning liquid can be conveniently washed.

And finally, the cleaning solution falls to the bottom of the box body 1 under the action of self gravity. When the washing liquid fell on coarse filtration net 4, partial washing liquid along the edge of coarse filtration net 4 flow direction coarse filtration net 4, washs 1 inner wall of box, makes remaining greasy dirt in the device taken away by the washing liquid, flows to 1 bottom of box, closes the motor this moment, opens the outlet of 1 bottom of box, with washing liquid discharge box 1, accomplishes the self-cleaning to the device is inside.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides an air purifier, includes the box, and the box top is equipped with a plurality of gas outlets, and the box lateral wall is opened there is the air inlet, its characterized in that: the box body is connected with a cleaning mechanism for cleaning the interior of the box body, a delivery pump and a filter layer are arranged in the box body, the delivery pump is positioned at the bottom of the box body, an air inlet pipe is communicated between one side of the delivery pump and an air inlet of the box body, an opening is formed in the top of the delivery pump, and the delivery pump is connected with a driving mechanism for driving the delivery pump to deliver substances; the filter layer is positioned above the delivery pump and comprises a rigid coarse filter screen, sponge and a pressing plate, the coarse filter screen is fixedly connected with the inner wall of the box body, the central position of the coarse filter screen is fixedly connected with the opening of the delivery pump, the sponge is positioned above the coarse filter screen, the edge of the sponge is fixedly connected with the edge of the coarse filter screen, the pressing plate is positioned above the sponge and is in sealed sliding connection with the inner wall of the box body, an interlayer is arranged in the pressing plate, a fine filter screen is arranged in the interlayer, and a plurality of air holes are formed in the top and; the cleaning mechanism comprises a water tank positioned outside the tank body, a water outlet arranged at the bottom of the tank body, a piston plate in sealed sliding connection with the inner wall of the water tank and a cavity arranged in the side wall of the tank body, wherein the bottom of the water tank is communicated with one side of the conveying pump, a first water inlet pipe is arranged at the bottom of the water tank, a water inlet is respectively arranged at the bottom and the top of the water tank, a one-way valve communicated into the water tank in a one-way mode is arranged at; a connecting rod is fixedly connected between the piston plate and the pressing plate, and the driving mechanism drives the piston plate to move up and down; the cavity is communicated with the top of the water tank and is provided with a second water inlet pipe, and the cavity is communicated with the interior of the tank body and is provided with a plurality of water outlets.

2. The air purifier of claim 1, wherein: the driving mechanism comprises a rotating shaft in transmission connection with the delivery pump, a power source for driving the rotating shaft to rotate and a rotating wheel arranged between the bottom of the water tank and the piston plate, the rotating shaft is fixedly connected with a driving wheel, the rotating wheel is fixedly connected with a positioning rod, the positioning rod is connected with a driven wheel in a sliding manner, the edge of the rotating wheel is hinged with a connecting rod, and the connecting rod is hinged with the bottom of the piston plate.

3. The air purifier of claim 1, wherein: a first door plate is hinged at the air inlet, a second door plate is hinged at the bottom of the joint of the first water inlet pipe and the delivery pump, and a linkage mechanism is arranged between the first door plate and the second door plate; the linkage mechanism comprises a fixed rod, a groove and a cross rod, the fixed rod is arranged above the first door plate, one end of the fixed rod is hinged with the outer wall of the box body, the other end of the fixed rod is provided with a hole, the first door plate is hinged with a hook capable of penetrating through the hole, and one side of the first door plate facing the outside of the box body is provided with an inclined plate which inclines upwards and outwards; the groove is arranged in the bottom plate of the box body, the opening of the groove is arranged on the same side as the first door plate, the opening of the groove is overlapped with the first door plate in a vertical state, the cross rod is connected with the inner wall of the groove in a sliding mode, a reset spring is arranged between one end of the cross rod and the bottom of the groove, the end of the cross rod is hinged with the swing rod, and the swing rod is fixedly connected with the bottom of the second door plate.

4. The air purifier of claim 1, wherein: an active carbon layer is arranged above the filtering layer, and the particle size of the active carbon layer is reduced from bottom to top in sequence.

5. The air purifier of claim 2, wherein: the opening of the delivery pump is provided with a one-way valve which is communicated to the outside of the delivery pump in a one-way.

6. The air purifier of claim 2, wherein: bulges are arranged on two sides of the inner ring of the driven wheel, and sliding grooves in sliding fit with the bulges are arranged on two sides of the positioning rod.

7. The air purifier of claim 1, wherein: the coarse filter screen is inclined downwards from the center to the edge.

8. The air purifier of claim 1, wherein: the bottom of the water outlet is a downward and inward inclined plane, and the caliber of the water outlet is one centimeter.