CN218379769U

CN218379769U - Air purifier with activated carbon filter screen

Info

Publication number: CN218379769U
Application number: CN202222570672.9U
Authority: CN
Inventors: 李文成
Original assignee: Shenzhen Nafa Technology Co ltd
Current assignee: Shenzhen Nafa Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-24
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an active carbon filter screen air purifier, the power distribution box comprises a box body, box top intermediate position department has seted up the air outlet, the utility model discloses a set up swing mechanism, through the mutually supporting between these parts of disc, movable groove, dead lever, connecting rod, transfer line and driving motor, be convenient for drive the blowing pipe and make a round trip to reciprocate to make the fresh air of bloating in it can blow each corner in the room, thereby accelerate the speed of air purification in the room, the utility model discloses a set up joint mechanism, through knob, rolling gear, thread bush, threaded rod, rack plate, loose gear, screens gear, spring, fly leaf, inserted bar and the mutually supporting between these parts of horizontal pole, be convenient for carry out the joint to first active carbon filter screen and second active carbon filter screen and fix and dismantle, thereby the convenience is dismantled first active carbon filter screen and second active carbon filter screen and is changed.

Description

Air purifier with activated carbon filter screen

Technical Field

The utility model relates to an air purification's technical field specifically is an active carbon filter screen air purifier.

Background

With the rapid development of society, the urbanization process is gradually accelerated, in the process of social development, the living standard of people is continuously improved, a high-rise building is continuously pulled out, along with the construction of a new house of a residence, the building and decoration are rapidly developed, building materials and decoration materials are uneven and most of the materials are possibly not up to standard, pollutants such as formaldehyde, benzene, homologous compounds and ammonia contained in the materials are serious indoor pollutants, people are in the environment containing the pollutants for a long time and are easy to cause chronic diseases such as mouth, nose and throat, serious pollution in home can also have adverse effects on pregnant women, children and the like, serious problems such as dizziness, nausea, vomiting and mild poisoning are caused, and even fetal deformity is caused, and therefore, the activated carbon filter screen air purifier is born.

Because traditional active carbon filter screen air purifier, at the in-process that uses, most all are only to an angle blow clean air, can't make the more thorough flow of air in the whole room to lead to the air circulation nature poor, traditional device is not convenient for dismantle the change to the active carbon filter screen simultaneously, thereby leads to long-term use the filter effect poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an active carbon filter screen air purifier to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an active carbon filter screen air purifier, includes the box, box top intermediate position department has seted up the air outlet, just the bottom of air outlet is equipped with the detachable fan, the inner chamber of air outlet is pegged graft there is the blast pipe, just the bottom of blast pipe is linked together with the output of fan, the top fixedly connected with guide duct of blast pipe, just the other end fixedly connected with hose of guide duct, the right-hand member fixedly connected with blowpipe of hose, the bottom of blowpipe is equipped with swing mechanism, just the bottom laminating of hose is equipped with the rectangular plate, the bottom fixedly connected with spacing ring of rectangular plate, just the spacing ring cover is established in the outside of guide duct, the right side fixedly connected with bracing piece of spacing ring bottom, just the bottom fixedly connected with of bracing piece is dull and stereotyped, dull and stereotyped bottom and the top fixed connection of box, the box inner chamber is close to top department and is equipped with first active carbon filter screen, just the top of first active carbon filter screen is close to the equal fixedly connected with curb plate in left and right sides department, two the opposite one side of curb plate is all equipped with the joint mechanism in the left and right sides of the equal fixedly connected with of the bottom of the fixed connection of air intake of montant, and the equal fixed connection of the bottom of the box inner chamber of the fixed connection of the air intake of the both sides of the fixed connection of the montant, and the box bottom of the fixed connection of the air inlet is equipped with the equal fixed connection of the both sides of the air inlet.

As a preferred technical scheme of the utility model, the opening has been seted up to the front side of box, just the front side of box be equipped with opening assorted dodge gate, the left side of dodge gate is equipped with a plurality of hinge, just the dodge gate is through a plurality of hinge and box swing joint, the front side of dodge gate is close to right side fixedly connected with handle, just the front side of dodge gate is seted up and is equipped with the rectangle mouth, the inner chamber fixedly connected with observation window of rectangle mouth.

As a preferred technical scheme of the utility model, the bottom of box is close to the equal fixedly connected with universal wheel in four corners department, and a plurality of the universal wheel uses the bottom of box to be the arrangement of rectangle permutation form as the center.

As a preferred technical scheme of the utility model, swing mechanism includes the bearing bar, right side department is close to at dull and stereotyped top to bearing bar fixed connection, just the top fixedly connected with shell of bearing bar, shell inner chamber right side fixedly connected with driving motor, driving motor's output shaft fixedly connected with transfer line, just the first bearing of left side fixedly connected with of shell, the left end of transfer line runs through the inner chamber of first bearing to fixedly connected with disc, just the edge fixedly connected with dead lever of bottom is close to in the left side of disc, the left side of disc is close to bottom department and is equipped with the activity groove, the left end of dead lever is pegged graft at the inner chamber in activity groove.

As a preferred technical scheme of the utility model, the equal fixedly connected with limiting plate of both sides department around the activity groove, just the square hole has been seted up on the limiting plate, two the inner chamber in square hole all runs through and is equipped with the square pole, and two the bottom of square pole all with dull and stereotyped top fixed connection, the left side in activity groove articulates there is the connecting rod, just the one end that the activity groove was kept away from to the connecting rod is articulated with the bottom of blowing pipe.

As a preferred technical scheme of the utility model, latch mechanism includes the thread bush, the thread bush sets up and is close to left side department in left side fixed slot inner chamber bottom, just the first slider of bottom fixedly connected with of thread bush, left side first spout has been seted up in fixed slot inner chamber's bottom department, first slider swing joint is at the inner chamber of first spout, just centre of a circle department runs through on the thread bush and is equipped with the threaded rod, the right-hand member of threaded rod and the left side swing joint of box, left side the left side of fixed slot is close to bottom fixedly connected with second bearing, just the left end of threaded rod runs through the inner chamber of second bearing to the fixed connection knob, the outside of threaded rod is close to left end department fixedly connected with running gear, just the meshing of running gear's top has the screens gear, the right side fixedly connected with second slider of screens gear, and be located the left side the second spout has been seted up in the left side of fixed slot, second slider swing joint is at the inner chamber of second spout.

As an optimal technical scheme of the utility model, the top fixedly connected with rack plate of thread bush, just the meshing of the top of rack plate department near right side has a loose gear, centre of a circle department runs through on the loose gear and is equipped with the axis of rotation, just the rear end and the fixed slot inner chamber rear side swing joint of axis of rotation, the outside of axis of rotation is close to front end department fixedly connected with stay cord, left side the left side of fixed slot inner chamber is close to top department swing joint and has the leading wheel, just the top of leading wheel is walked around to the other end of stay cord to fixedly connected with fly leaf.

As a preferred technical scheme of the utility model, the top fixedly connected with third slider of fly leaf, and the left side fixed slot inner chamber top department has seted up the third spout, third slider swing joint is in the inner chamber of third spout, just the guiding hole has been seted up on the third slider, the inner chamber of guiding hole runs through and is equipped with the horizontal pole, just both ends all with the inner chamber fixed connection of third spout about the horizontal pole, the outside cover of horizontal pole is equipped with the spring, just both ends respectively with third spout inner chamber left side and third slider fixed connection about the spring, the right side fixedly connected with inserted bar of fly leaf, just the left side of box is close to top department and has seted up the through-hole, the left side the jack has been seted up in the left side of curb plate, the right-hand member of inserted bar passes the through-hole, and the inner chamber at the jack is pegged graft.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model is provided with the swing mechanism, and the components of the disc, the movable groove, the fixed rod, the connecting rod, the transmission rod and the driving motor are mutually matched, so that the blowing pipe is convenient to be driven to move back and forth, and the fresh air blown out from the blowing pipe can be blown to each corner in a room, thereby accelerating the air purification speed in the room;

2. the utility model discloses a set up latch mechanism, through mutually supporting between these parts of knob, rolling gear, thread bush, threaded rod, rack board, loose gear, screens gear, spring, fly leaf, inserted bar and horizontal pole, be convenient for carry out the joint to first active carbon filter screen and second active carbon filter screen and fix and dismantle to the change is dismantled to first active carbon filter screen and second active carbon filter screen to the convenience.

Drawings

FIG. 1 is a front sectional view of the present invention,

figure 2 is a partial front view of the present invention,

figure 3 is a partial left side view of the disc of the present invention,

figure 4 is an enlarged view of the point A of figure 1,

figure 5 is an enlarged view of the point B of figure 1 according to the present invention,

fig. 6 is an enlarged view of the point C in fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a fixing groove; 3. a fan; 4. an air supply pipe; 5. a limiting ring; 6. a hose; 7. a flat plate; 8. a first activated carbon screen; 9. a partition plate; 10. a second activated carbon screen; 11. a universal wheel; 12. a movable door; 13. an observation window; 14. a disc; 15. a movable groove; 16. fixing the rod; 17. a knob; 18. a rotating gear; 19. a threaded sleeve; 20. a threaded rod; 21. a rack plate; 22. a movable gear; 23. a blocking gear; 24. a spring; 25. a movable plate; 26. inserting a rod; 27. a side plate; 28. a cross bar; 29. a connecting rod; 30. a transmission rod; 31. the motor is driven.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-6, the utility model provides the following technical solutions:

the first embodiment is as follows:

an air purifier with an activated carbon filter screen comprises a box body 1, universal wheels 11 are fixedly connected to the bottom of the box body 1 close to four corners, a plurality of universal wheels 11 are arranged in a rectangular array mode by taking the bottom of the box body 1 as a center, an opening is formed in the front side of the box body 1, a movable door 12 matched with the opening is arranged on the front side of the box body 1, a plurality of hinges are arranged on the left side of the movable door 12, the movable door 12 is movably connected with the box body 1 through a plurality of hinges, a handle is fixedly connected to the position, close to the right side, of the front side of the movable door 12, a rectangular opening is formed in the front side of the movable door 12, an observation window 13 is fixedly connected to the inner cavity of the rectangular opening, an air outlet is formed in the middle position of the top of the box body 1, a detachable fan 3 is arranged at the bottom of the air outlet, the bottom of the air outlet is connected with an output end of the fan 3, a guide pipe is fixedly connected to the top of the air outlet pipe 4, a hose 6 is fixedly connected to the other end of the air pipe, a blowing pipe 6 is fixedly connected to the bottom of the air pipe, a swinging mechanism is arranged at the bottom of the hose 6, a fixed plate 5 is arranged at the bottom of the rectangular opening, a support rod 5, a support rod is connected to a flat plate 7, a support rod is connected to the bottom of the box body, and a second flat plate 7, a support rod is connected to the filter screen 7, and a support rod is connected to the bottom of the bottom, a support rod is connected to the bottom of the filter screen, and a support rod is connected to the bottom of the support rod 7, the left side and the right side of the bottom of the second activated carbon filter screen 10 are respectively provided with a partition plate 9 in a laminating manner, one side opposite to the two partition plates 9 is fixedly connected with the inner cavity of the box body 1, the positions, close to the bottom, of the left side and the right side of the box body 1 are respectively and fixedly connected with a fixed groove 2, the middle position of the bottom of the box body 1 is provided with an air inlet, and the bottom of the inner cavity of the air inlet is fixedly connected with a dust screen;

the swing mechanism comprises a bearing rod, the bearing rod is fixedly connected to the position, close to the right side, of the top of the flat plate 7, the top end of the bearing rod is fixedly connected with a shell, the right side of the inner cavity of the shell is fixedly connected with a driving motor 31, an output shaft of the driving motor 31 is fixedly connected with a transmission rod 30, the left side of the shell is fixedly connected with a first bearing, the left end of the transmission rod 30 penetrates through the inner cavity of the first bearing and is fixedly connected with a disc 14, a fixed rod 16 is fixedly connected to the edge, close to the bottom, of the left side of the disc 14, a movable groove 15 is arranged near the bottom, limiting plates are fixedly connected to the front side and the rear side of the movable groove 15, square holes are formed in the limiting plates, square rods penetrate through the inner cavities of the two square holes, the bottom ends of the two square rods are fixedly connected with the top of the flat plate 7, a connecting rod 29 is hinged to the left side of the movable groove 15, one end, far away from the movable groove 15, is hinged to the bottom of the blowing pipe, and the left end of the fixed rod 16 is inserted into the inner cavity of the movable groove 15;

in the using process, the device can be moved to a room needing air purification through the arrangement of the universal wheels 11, then the fan 3 is started through the external power supply, air can be sucked by the air inlet and blown upwards when the fan 3 works, pollutants in the air can be adsorbed when the air passes through the first active carbon filter screen 8 and the second active carbon filter screen 10, fresh air can be blown out to the outside through the air supply pipe 4, the air guide pipe, the hose 6 and the blowing pipe, the driving motor 31 is started through the external power supply at the moment, the output shaft of the driving motor 31 can drive the transmission rod 30 to rotate when the driving motor 31 works, the transmission rod 30 can drive the disc 14 to rotate, the disc 14 can drive the movable groove 15 to move up and down through the fixed rod 16, the movable groove 15 can drive the blowing pipe to move up and down through the connecting rod 29, therefore, fresh air can be blown into the room at multiple angles, and the room air purification speed is accelerated.

Example two:

the clamping mechanism comprises a threaded sleeve 19, the threaded sleeve 19 is arranged at the bottom of the inner cavity of the left fixing groove 2 close to the left side, a rack plate 21 is fixedly connected to the top of the threaded sleeve 19, a movable gear 22 is meshed at the top of the rack plate 21 close to the right side, a rotating shaft penetrates through the circle center of the movable gear 22, the rear end of the rotating shaft is movably connected with the rear side of the inner cavity of the fixing groove 2, a pull rope is fixedly connected to the outer side of the rotating shaft close to the front end, a guide wheel is movably connected to the left side of the inner cavity of the left fixing groove 2 close to the top, the other end of the pull rope bypasses the top of the guide wheel, a movable plate 25 is fixedly connected with the other end of the pull rope, a third sliding block is fixedly connected to the top of the movable plate 25, a third sliding groove is formed in the top of the inner cavity of the left fixing groove 2, a guide hole is formed in the third sliding block, and a cross rod 28 penetrates through the inner cavity of the guide hole, the left end and the right end of the cross rod 28 are fixedly connected with the inner cavity of the third sliding groove, the spring 24 is sleeved on the outer side of the cross rod 28, the left end and the right end of the spring 24 are respectively fixedly connected with the left side of the inner cavity of the third sliding groove and the third sliding block, the right side of the movable plate 25 is fixedly connected with the inserted link 26, the position, close to the top, of the left side of the box body 1 is provided with a through hole, the left side of the left side plate 27 is provided with an insertion hole, the right end of the inserted link 26 penetrates through the through hole and is inserted into the inner cavity of the insertion hole, the bottom of the threaded sleeve 19 is fixedly connected with a first sliding block, the bottom of the inner cavity of the left side fixing groove 2 is provided with a first sliding groove, the first sliding block is movably connected with the inner cavity of the first sliding groove, the center of a circle on the threaded sleeve 19 is provided with a threaded rod 20, the right end of the threaded rod 20 is movably connected with the left side of the box body 1, the position, close to the left side of the left side fixing groove 2 is fixedly connected with a second bearing, the left end of the threaded rod 20 penetrates through the inner cavity of the second bearing and is fixedly connected with the knob 17, the rotating gear 18 is fixedly connected to the outer side of the threaded rod 20 close to the left end, the clamping gear 23 is meshed with the top of the rotating gear 18, the second sliding block is fixedly connected to the right side of the clamping gear 23, the second sliding groove is formed in the left side of the left side fixing groove 2, and the second sliding block is movably connected to the inner cavity of the second sliding groove;

after long-term use, the first activated carbon filter screen 8 and the second activated carbon filter screen 10 can be detached and replaced, two clamping gears 23 are pulled upwards, the clamping gears 23 move upwards and cannot be meshed with the rotating gears 18, at the moment, the two knobs 17 are rotated, the knobs 17 can drive the threaded rods 20 to rotate, the threaded rods 20 rotate and can drive the threaded sleeves 19 to move towards one side close to the box body 1, the two threaded sleeves 19 move relatively and can drive the adjacent rack plates 21 to move relatively, the two rack plates 21 move relatively and can drive the adjacent movable gears 22 to rotate, the movable gears 22 rotate and can drive the rotating shafts to rotate, the rotating shafts can drive the pull ropes to be wound, the two pull ropes are wound on the adjacent movable plates 25 to move towards the opposite sides and extrude the adjacent springs 24, the two movable plates 25 move towards the opposite sides and can drive the adjacent inserted rods 26 to move towards the opposite sides and respectively keep away from the inner cavities of the adjacent insertion holes, at the moment, clamping fixation of the first activated carbon filter screen 8 and the second activated carbon filter screen 10 can be completed, and the activated carbon filter screen 10 can be clamped and fixed reversely.

The working principle is as follows: firstly, in the using process, the device can be moved to a room needing air purification through the arrangement of a plurality of universal wheels 11, then the fan 3 is started through an external power supply, air can be sucked by an air inlet and blown upwards when the fan 3 works, pollutants in the air can be adsorbed when the air passes through the first activated carbon filter screen 8 and the second activated carbon filter screen 10, fresh air can be blown out to the outside through the air supply pipe 4, the air guide pipe, the hose 6 and the blowing pipe, at the moment, the driving motor 31 is started through the external power supply, an output shaft of the driving motor 31 can drive the transmission rod 30 to rotate when the driving motor 31 works, the disc 14 can be driven to rotate by the rotation of the transmission rod 30, the disc 14 can drive the movable groove 15 to move back and forth through the fixed rod 16, the movable groove 15 can drive the blowing pipe to move back and forth through the connecting rod 29 when moving up and down, therefore, fresh air can be blown into a room from multiple angles, the air purification rate of the room is accelerated, after long-term use, the first activated carbon filter screen 8 and the second activated carbon filter screen 10 can be disassembled and replaced, the two clamping gears 23 are pulled upwards, the clamping gears 23 can move upwards and can not be meshed with the rotating gears 18, at the moment, the two knobs 17 are rotated, the threaded rods 20 can be driven to rotate by the rotation of the knobs 17, the threaded rods 20 can be driven to move towards one side close to the box body 1 by the rotation of the threaded sleeves 19, the adjacent rack plates 21 can be driven to move relatively by the relative movement of the two threaded sleeves 19, the adjacent movable gears 22 can be driven to rotate by the relative movement of the two rack plates 21, the rotating shafts 22 can be driven to rotate, the stay ropes can be driven to roll by the rotation of the rotating shafts, the two stay ropes are rolled on the adjacent movable plates 25 to move towards the opposite side and extrude the adjacent springs 24, two fly leaves 25 remove to opposite one side and can drive adjacent inserted bar 26 and remove to opposite one side, and keep away from the inner chamber of adjacent jack respectively, can accomplish this moment and fix the joint of first active carbon filter screen 8 and second active carbon filter screen 10, then the pulling handle opens dodge gate 12 and can take out first active carbon filter screen 8 and second active carbon filter screen 10, and reverse operation can carry out the joint to new first active carbon filter screen 8 and second active carbon filter screen 10 and fix.

Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an active carbon filter screen air purifier, includes the box, box top intermediate position department has seted up the air outlet, just the bottom of air outlet is equipped with the detachable fan, peg graft and have the blast pipe in the inner chamber of air outlet, just the bottom of blast pipe is linked together its characterized in that with the output of fan: the air inlet and outlet air inlet device comprises an air supply pipe, a hose, a blowing pipe, a rectangular plate, a limiting ring, a first activated carbon filter screen, a second activated carbon filter screen, a baffle plate, a dust-proof net and a dust-proof net, wherein the top of the air supply pipe is fixedly connected with the air guide pipe, the other end of the air guide pipe is fixedly connected with the hose, the right end of the hose is fixedly connected with the blowing pipe, the bottom of the blowing pipe is provided with a swing mechanism, the bottom of the hose is provided with the rectangular plate in a laminating manner, the bottom of the rectangular plate is fixedly connected with the rectangular plate, the limiting ring is sleeved on the outer side of the air guide pipe, the right side of the bottom of the limiting ring is fixedly connected with a supporting rod, the bottom of the supporting rod is fixedly connected with the top of a box body, the inner cavity of the box body is provided with the first activated carbon filter screen in a position close to the top, the top of the first activated carbon filter screen is provided with the baffle plate in a position close to the left side and the right side of the first activated carbon filter screen is provided with the opposite side of the baffle plate, the opposite to the inner cavity of the box body is provided with the dust-proof net in a fixed groove in the left side of the box body, the left side of the box body is provided with the fixed groove in a fixed groove of the bottom of the air inlet.

2. The activated carbon screen air cleaner of claim 1, wherein: the utility model discloses a refrigerator, including box, opening, movable door, right side department fixedly connected with handle, the front side of box is opened and is equipped with the opening, just the front side of box be equipped with opening assorted dodge gate, the left side of dodge gate is equipped with a plurality of hinge, just the dodge gate passes through a plurality of hinge and box swing joint, the front side of dodge gate is close to right side department fixedly connected with handle, just the front side of dodge gate is opened and is equipped with the rectangle mouth, the inner chamber fixedly connected with observation window of rectangle mouth.

3. The activated carbon screen air cleaner of claim 1, wherein: the bottom of box is close to the equal fixedly connected with universal wheel in four corners department, and a plurality of the universal wheel uses the bottom of box to be the arrangement of rectangle permutation form as the center.

4. The activated carbon screen air cleaner of claim 1, wherein: swing mechanism includes the bearing bar, bearing bar fixed connection is close to right side department at dull and stereotyped top, just the top fixedly connected with shell of bearing bar, shell inner chamber right side fixedly connected with driving motor, driving motor's output shaft fixedly connected with transfer line, just the first bearing of left side fixedly connected with of shell, the inner chamber of first bearing is run through to the left end of transfer line to fixedly connected with disc, just the edge fixedly connected with dead lever of bottom is close to in the left side of disc, the left side of disc is close to bottom department and is equipped with the activity groove, the inner chamber at the activity groove is pegged graft to the left end of dead lever.

5. The activated carbon screen air cleaner of claim 4, wherein: the equal fixedly connected with limiting plate of both sides department around the activity groove, just the square hole has been seted up on the limiting plate, two the inner chamber in square hole all runs through and is equipped with the square pole, and two the bottom of square pole all with dull and stereotyped top fixed connection, the left side in activity groove articulates there is the connecting rod, just the one end that the activity groove was kept away from to the connecting rod is articulated with the bottom of blowing pipe.

6. The activated carbon screen air cleaner of claim 1, wherein: clamping mechanism includes the thread bush, the thread bush sets up and is close to left side department in left side fixed slot inner chamber bottom, just the first slider of bottom fixedly connected with of thread bush, the left side first spout has been seted up in the bottom department of fixed slot inner chamber, first slider swing joint is at the inner chamber of first spout, just centre of a circle department runs through on the thread bush and is equipped with the threaded rod, the right-hand member of threaded rod and the left side swing joint of box, left side the left side of fixed slot is close to bottom fixedly connected with second bearing, just the left end of threaded rod runs through the inner chamber of second bearing to fixed connection knob, the outside of threaded rod is close to left end department fixedly connected with rotating gear, just rotating gear's top meshing has the screens gear, the right side fixedly connected with second slider of screens gear, and be located the left side the second spout has been seted up in the left side of fixed slot, second slider swing joint is at the inner chamber of second spout.

7. The activated carbon screen air cleaner of claim 6, wherein: the top fixedly connected with rack plate of thread bush, just the meshing of right side department is close to at the top of rack plate has loose gear, the centre of a circle department runs through and is equipped with the axis of rotation on the loose gear, just the rear end and the fixed slot inner chamber rear side swing joint of axis of rotation, the outside of axis of rotation is close to front end department fixedly connected with stay cord, left side fixed slot inner chamber's left side is close to top department swing joint and has the leading wheel, just the top of leading wheel is walked around to the other end of stay cord to fixedly connected with fly leaf.

8. An activated carbon screen air cleaner as recited in claim 7, wherein: the movable plate is fixedly connected with a third sliding block at the top, a third sliding groove is formed in the top of the inner cavity of the fixed groove at the left side, the third sliding block is movably connected to the inner cavity of the third sliding groove, a guide hole is formed in the third sliding block, a cross rod penetrates through the inner cavity of the guide hole, the left end and the right end of the cross rod are fixedly connected with the inner cavity of the third sliding groove, a spring is sleeved on the outer side of the cross rod, the left end and the right end of the spring are fixedly connected with the left side of the inner cavity of the third sliding groove and the third sliding block respectively, an inserting rod is fixedly connected to the right side of the movable plate, a through hole is formed in the position, close to the top, of the left side of the box body, a jack is formed in the left side of the side plate, and the right end of the inserting rod penetrates through the through hole and is connected to the inner cavity of the jack in a plugging mode.