CN110757996A

CN110757996A - Automatic blackboard wiping device capable of isolating dust

Info

Publication number: CN110757996A
Application number: CN201911201174.3A
Authority: CN
Inventors: 江心怡; 李兴超
Original assignee: Renfeng Town Central Primary School Jiyang District Jinan City
Current assignee: Renfeng Town Central Primary School Jiyang District Jinan City
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-02-07

Abstract

The invention discloses an automatic blackboard wiping device capable of isolating dust, and mainly relates to the field of teaching equipment. Including isolated case, framework, blackboard main part, the bracing piece passes and extends outward after the through-hole, the bracing piece is located the outside one end of isolated case and is equipped with the head of cleaning, be equipped with the tight device in top that the head contacted with one side of blackboard main part was cleaned in the messenger on the bracing piece, the height that highly is not less than the blackboard main part of cleaning the head, every blackboard main part contacts with a head of cleaning at least, the bottom of framework is equipped with the dust collecting vat, be equipped with the dust export on the dust collecting vat. The invention has the beneficial effects that: the blackboard eraser can automatically erase a blackboard, effectively isolates the dispersion of chalk dust, and protects the personal safety of related personnel.

Description

Automatic blackboard wiping device capable of isolating dust

Technical Field

The invention relates to the field of teaching equipment, in particular to an automatic blackboard wiping device capable of isolating dust.

Background

The blackboard that is used traditionally at present is generally the device that can use the chalk to write repeatedly, this has just caused when writing and finishing and wiping, and the chalk dust permeates in the classroom very easily, and the adsorption efficiency of chalk dust is stronger, therefore long-time inhaling chalk dust is huge to students especially teacher, all can produce harm of different degree to lung, upper respiratory track, eyes, skin, ear, especially to the harm of lung the biggest, some teachers from the teaching decades, all can inhale a large amount of chalk dust every day, cause huge harm to the health, also have to this improved device that puts forward in place among the prior art, for example the present wide multimedia teaching of application range, but multimedia teaching generally utilizes the courseware that makes good in advance to teach, when meeting the knowledge point that temporarily expands or need similar to hold one or another three to examine students on the scene, still need utilize the chalk to carry out the cooperation of writing, consequently traditional blackboard still can't be replaced, consequently, the problem of chalk dust still needs a urgent need to be solved, also have the device of automatic blackboard of cleaning among the current device, but clean the in-process and do not carry out better isolated processing to the chalk dust that drops, still can fill the life safety who influences student and teacher in the air, consequently, need one kind and make things convenient for the device that the blackboard was cleaned, still need carry out effectual isolation to the chalk dust that drops simultaneously, in order to play the effect of environmental protection and personal safety.

Disclosure of Invention

The invention aims to provide an automatic blackboard wiping device capable of isolating dust, which can automatically wipe a blackboard, effectively isolate the dispersion of chalk dust and protect the personal safety of related personnel.

In order to achieve the purpose, the invention is realized by the following technical scheme:

an automatic blackboard wiping device for isolated dust comprises an isolated box, a frame body and a blackboard main body, wherein the frame body is fixed on the outer surface of the isolated box, the blackboard main body is multiple, a plurality of first sliding grooves are formed in corresponding positions of the upper end and the lower end of the frame body, the first sliding grooves extend along the length direction of the frame body, first sliding blocks are connected in the first sliding grooves in a sliding mode, a first rotating shaft is arranged between the upper sliding blocks and the lower sliding blocks, the first rotating shaft is fixedly connected with one side of the blackboard main body, the upper end and the lower end of the first rotating shaft are respectively rotatably connected with the first sliding blocks, a fastening device is detachably connected between one end, away from the first rotating shaft, of the blackboard main body and the frame body, a fixed shaft is arranged in the isolated box, a connecting rod is rotatably connected to the fixed shaft, a sector gear is arranged at one end of the connecting, sector gear and drive arrangement are located the both sides that the connecting rod rotated the position respectively, isolated incasement has the support along length direction sliding connection, be equipped with the rack on the support, sector gear and rack toothing, be equipped with a plurality of bracing pieces along length direction on the support, isolated incasement is equipped with a plurality of through-holes along length direction, bracing piece sliding connection is in the through-hole, the bracing piece passes the through-hole after to extend outward, the bracing piece is located the outside one end of isolated case and is equipped with cleans the head, be equipped with on the bracing piece and make the tight device in top that one side that cleans head and blackboard main part contacted, the height that cleans the head is not less than the height of blackboard main part, and every blackboard main part cleans the head with one at least and contacts, the bottom of framework is equipped with the dust collecting vat, be equipped.

Further, drive arrangement includes the carousel, the carousel rotates to be connected in isolated incasement, it is connected with the second slider to rotate on the carousel, be equipped with the second spout on the connecting rod, second slider sliding connection is in the second spout, the second spout is located the both sides at the position of rotating on the connecting rod respectively with sector gear.

Furthermore, drive arrangement still includes second pivot, motor, first gear, second gear, the second pivot is rotated and is connected in isolated incasement, the motor is fixed in isolated incasement, first gear is fixed on the output shaft of motor, the second gear is fixed in the second pivot, first gear and second gear meshing, the carousel is fixed in the second pivot.

Furthermore, every the cleaning head is connected with the upper and lower two bracing pieces that correspond the position, the tight device in top includes a plurality of fixing bases, the fixing base setting is on one of them bracing piece be connected with the cleaning head, the one end of cleaning the head is rotated with one of them bracing piece and is connected, the other end and the fixing base sliding connection of cleaning the head, be equipped with the elastic component between fixing base and the cleaning head.

Further, fastener is including solid fixed ring, spacing post, spacing hole, gu fixed ring fixes the one end of keeping away from first pivot in the blackboard main part, spacing hole sets up in the framework, spacing post passes solid fixed ring back and pegs graft with spacing hole activity.

Furthermore, the bottom of the dust collecting tank is inclined downwards, the dust outlet is located at the bottom of the inclined direction, and the dust collecting tank is provided with a dust ejecting device.

Further, it includes U type frame to play grey device, U type frame is fixed on the dust collecting vat, sliding connection has the ejection post on the U type frame, the one end that launches the post contacts with the dust collecting vat, be equipped with reset spring between the one end of ejecting the post and the U type frame.

Compared with the prior art, the invention has the beneficial effects that:

1. the blackboard body is arranged to be in a sliding and rotating type, when the blackboard body needs to be wiped after being used, the blackboard body slides to one side and then rotates, the surface with characters can rotate to the inside, the surface with the characters is enabled to be in contact with the wiping head, the driving device is started, the wiping head reciprocates on the blackboard body to wipe, and convenience and efficiency of wiping the blackboard body are greatly improved;

2. the frame body is arranged around the blackboard main body and fixed on the isolation box, a closed environment is formed among the isolation box, the frame body and the blackboard main body, when the blackboard main body is wiped by the wiping head, the wiping movement is limited in the closed environment, the condition that chalk dust generated during wiping is dispersed into air is greatly reduced, the chalk dust is gradually deposited downwards under the action of gravity and is accumulated in the dust collecting tank at the bottom, the chalk dust is uniformly cleaned from the dust outlet after the use time is long, the contact between the chalk dust and related personnel is greatly reduced, the generation of related diseases is reduced, the life safety of teachers and students is ensured, the use is convenient, the operation is simple, and the effect of isolating the chalk dust in practical use is very obvious.

Drawings

FIG. 1 is a schematic perspective view of the present invention.

Fig. 2 is a left side view of the present invention.

Fig. 3 is a cross-sectional view taken along the direction a of fig. 2 of the present invention.

Fig. 4 is a cross-sectional view taken along the direction B of fig. 2 of the present invention.

Fig. 5 is a front view of the present invention.

Fig. 6 is a cross-sectional view taken along direction C of fig. 5 in accordance with the present invention.

Fig. 7 is a schematic view of the internal structure of the present invention.

Fig. 8 is a schematic view of the structure of the surface of the insulation box of the present invention.

Reference numerals shown in the drawings:

1. an isolation box; 2. a frame body; 3. a blackboard main body; 4. a first chute; 5. a first slider; 6. a first rotating shaft; 7. a fixed shaft; 8. a connecting rod; 9. a sector gear; 10. a support; 11. a rack; 12. a support bar; 13. a through hole; 14. a wiping head; 15. a dust collecting tank; 16. a dust outlet; 17. a turntable; 18. a second slider; 19. a second chute; 20. a second rotating shaft; 21. a motor; 22. a first gear; 23. a second gear; 24. a fixed seat; 25. an elastic member; 26. a fixing ring; 27. a limiting column; 28. a limiting hole; 29. a U-shaped frame; 30. ejecting the column; 31. a return spring.

Detailed Description

The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.

The invention relates to an automatic blackboard wiping device for isolating dust, which comprises an isolation box 1, a frame body 2 and a blackboard main body 3, wherein the frame body 2 is fixed on the outer surface of the isolation box 1 through bolts or welding, the isolation box 1 can be preferably embedded in a wall body during installation, only the frame body 2 is left on the outer side, the space is saved, the potential safety hazard caused by the fact that the isolation box 1 touches students is avoided, the isolation box 1 can also be directly fixed on the wall surface through bolts, a rubber shell or a sponge layer is wrapped at the edge of the isolation box 1, the safety of the isolation box is improved, the blackboard main body 3 is provided with a plurality of blackboard main bodies 3, the reverse rotation and the sliding of each blackboard main body 3 are realized, a plurality of first sliding grooves 4 are arranged at the corresponding positions of the upper end and the lower end of the frame body 2, the first sliding grooves 4 extend along the length direction of the frame body 2, and the length of each first sliding groove 4 is, first spout 4 sliding connection has first slider 5, promptly first slider 5 can slide to one side in addition from one side of blackboard main part 3, two from top to bottom be equipped with first pivot 6 between the first slider 5, one side fixed connection of first pivot 6 and blackboard main part 3, such setting can make every blackboard main part 3 slide its characterized in that along first spout 4: the upper end and the lower end of the first rotating shaft 6 are respectively rotatably connected with the first sliding block 5, so that when the blackboard main body 3 is fully written and needs to be erased, the blackboard main body 3 can be pulled to slide to one side, the blackboard main body 3 is moved to the tail end of the first sliding groove 4 and then rotated along the first rotating shaft 6, one side with characters faces to the inside, chalk dust can be prevented from falling outside during erasing, the blackboard main body 3 is turned over for 180 degrees, preferably, both sides of the blackboard main body 3 can be written, therefore, the writing continuation is not influenced when one side is erased, a fastening device is detachably connected between one end, away from the first rotating shaft 6, of the blackboard main body 3 and the frame body 2, the blackboard main body 3 is fixed by the fastening device during writing, the fastening device is detached when the erasing is needed after the writing is finished, the blackboard main body 3 is turned over and then fixed by the fastening device, preferably, a movable plug-in or clamping manner is used, which is convenient for operation;

a fixed shaft 7 is arranged in the isolation box 1, the fixed shaft 7 is fixed in the isolation box 1 through welding or bolts, a connecting rod 8 is rotatably connected to the fixed shaft 7 through a bearing, a sector gear 9 is arranged at one end of the connecting rod 8, teeth of the sector gear 9 are positioned on an arc of the gear, the circle center of the sector gear 9 is the same as that of the cross section of the fixed shaft 7, a driving device for driving the connecting rod 8 to rotate in a reciprocating manner is arranged at the other end of the connecting rod 8, the rotating angle is determined according to the actual length, the reciprocating rotation means that the sector gear 9 rotates in a reverse direction after rotating for a certain angle and returns, the sector gear 9 and the driving device are respectively positioned at two sides of the rotating part of the connecting rod 8, so that the sector gear and the driving device are opposite in the left and right directions and up and down directions when the sector gear and the connecting rod rotate, the sector gear 9 is meshed with the rack 11, and the rack 11 and the bracket 10 fixed with the rack 11 can do reciprocating linear motion through the reciprocating rotation of the sector gear 9;

a plurality of supporting rods 12 are welded or fixed on the support 10 along the length direction or are fixed by bolts, a plurality of through holes 13 are horizontally arranged on the isolation box 1 along the length direction, the through holes 13 penetrate through the side wall of the isolation box 1, the supporting rods 12 are connected in the through holes 13 in a sliding manner, the support 10 and the supporting rods 12 on the support can move left and right in the through holes 13 under the driving of a driving device, the supporting rods 12 extend outwards after penetrating through the through holes 13, a wiping head 14 is arranged at one end of the supporting rods 12 positioned outside the isolation box 1, the wiping head 14 preferably comprises a head main body and a wiping part, the wiping part can be bristles or a sponge layer, so that the wiping head 14 can move back and forth along the horizontal direction of the blackboard main body 3, characters on the wiping head can be repeatedly wiped for a plurality of times, the wiping head 14 can be cleaned completely, and a jacking device which enables the wiping head 14 to be contacted with, the back in close contact with of head 14 and blackboard main part 3 is wiped conveniently to the messenger, further guarantees the effect of wiping, the height of wiping head 14 is not less than blackboard main part 3's height, and every blackboard main part 3 contacts with one at least and wipes head 14, guarantees to wipe head 14 and covers blackboard main part 3's whole, can all clean the writing of all positions on blackboard main part 3, the edge of blackboard main part 3 flushes with other positions, does not carry out the lockage operation, makes blackboard main part 3's whole keep leveling, guarantees the effect of wiping, the bottom of framework 2 is equipped with dust collecting vat 15, dust collecting vat 15 is hollow structure, set up the opening that runs through on the framework 2, the opening is located under wiping head 14, makes the inside of dust collecting vat 15 and the inside of framework 2 be linked together, wipes laggard chalk dust and gets into dust collecting vat 15 through the opening and collects, isolated case 1, framework 2, the relatively confined space is constituteed at the back of blackboard main part 3, makes to clean the chalk dust that drops and can not the outdiffusion, drops in dust collecting vat 15 under the effect of gravity, dust collecting vat 15's bottom is equipped with dust outlet 16, uses the back for a long time and unifies from 16 departments of dust outlet and handle, has guaranteed the clean and tidy of environment, has improved the healthy protection to teacher and student.

Preferably, the driving device includes a rotating disc 17, the rotating disc 17 is rotatably connected in the isolation box 1 through a bearing, the rotating disc 17 is rotatably connected with a second sliding block 18, the bottom of the second sliding block 18 is rotatably connected on the rotating disc 17 through a bearing, a second sliding groove 19 is arranged on the connecting rod 8, the second sliding block 18 is slidably connected in the second sliding groove 19, when the rotating disc 17 rotates, the second sliding block 18 can rotate along with the rotating disc 17 and can generate displacement in the vertical height and the left-right direction, the displacement in the vertical height enables the connecting rod to slide up and down in the second sliding groove 19, the position in the left-right direction enables the connecting rod 8 to swing left and right, the second sliding groove 19 and the sector gear 9 are respectively positioned at two sides of the rotating part on the connecting rod 8, so that the sector gear 9 at the other end rotates left and right, the rack 11 is forced to do reciprocating linear motion, and the rotating disc, the device does not need to be turned over by other devices, thereby reducing the complexity of the device, ensuring the operation to be smoother and reducing the possibility of faults such as shell jamming and the like.

Preferably, the driving device further comprises a second rotating shaft 20, a motor 21, a first gear 22 and a second gear 23, one end of the second rotating shaft 20 is rotatably connected in the isolation box 1 through a bearing, the motor 21 is welded or bolted in the isolation box 1, the first gear 22 is welded and fixed on an output shaft of the motor 21, the second gear 23 is welded and fixed on the second rotating shaft 20, the first gear 22 is meshed with the second gear 23, the turntable 17 is welded or bolted on the second rotating shaft 20, the rotation of the turntable 17 is driven through the movement of the motor 21, and preferably, the first gear 22 and the second gear 23 are bevel gears, so that the motor 21 and the plane of the installation wall body are placed in the same direction, the space is saved, and the thickness of the isolation box 1 is reduced.

Preferably, each of the wiping heads 14 is connected with two corresponding upper and lower support rods 12, two of the wiping heads 14 are connected with two ends of the support rod 12, the tightening device includes a plurality of fixing seats 24, the fixing seats 24 are welded or bolted on one of the support rods 12 connected with the wiping heads 14, one end of the wiping head 14 is rotatably connected with one of the support rods 12 through a hinge, the other end of the wiping head 14 is slidably connected with the fixing seats 24, preferably, an arc chute is arranged on the fixing seat 24, one end of the wiping head 14, which is far away from the rotating position during rotation, slides on the fixing seat 24, an elastic member 25 is arranged between the fixing seat 24 and the wiping head 14, such an arrangement enables the back of the blackboard body 3 to contact with the wiping head 14 after being overturned, and then the wiping head 14 is pressed inwards during fixing by the fastening device, further, the elastic member 25 is compressed to make the contact between the wiping head 14 and the blackboard body 3 more intimate, thereby further improving the wiping effect.

Preferably, fastener is including solid fixed ring 26, spacing post 27, spacing hole 28, gu fixed ring 26 welds or the bolt fastening is in blackboard main part 3 keeps away from the position that the one end of first pivot 6 is close to the bottom, spacing hole 28 sets up the both ends of first spout 4 on framework 2, spacing post 27 is preferred to be set up to the T type, spacing post 27 passes solid fixed ring 26 back and is pegged graft with spacing hole 28 activity, and realization blackboard main part 3 that can be more convenient is fixed with framework 2 relatively, and it is all very convenient to fix and open no matter, reduces the complexity of operation.

Preferably, the bottom downward sloping setting of dust collecting vat 15, dust outlet 16 is located the bottom of incline direction, can drop along the inclined plane of bottom after the chalk dust falls in dust collecting vat 15, makes more chalk dust drop from dust outlet 16 when convenient the clearance, guarantees the effect of clearance, and is preferred 16 departments of dust outlet rotate and are connected with the lid, the outside of dust collecting vat 15 sets up the magnetic path, the one end that the pivoted position was kept away from to the lid is equipped with the iron sheet, the operation of lid is more convenient with the magnetic path actuation, be equipped with the bullet ash device on the dust collecting vat 15, can be with the more thorough of the chalk dust clearance in dust collecting vat 15, avoid the chalk dust to pile up the influence result of use.

Preferably, the ash ejecting device comprises a U-shaped frame 29, the U-shaped frame 29 can be arranged at the bottom or the side of the dust collecting tank 15, the opening of the U-shaped frame 29 is welded or fixed on the dust collecting tank 15 through a bolt, a sliding hole is formed in one side, far away from the opening, of the U-shaped frame 29, an ejecting column 30 is connected to the sliding hole in a sliding mode, one end of the ejecting column 30 is in contact with the dust collecting tank 15, a return spring 31 is arranged between one end of the ejecting column 30 and the U-shaped frame 29, when the ejecting column 30 is pulled outwards, the return spring 31 can be stretched or compressed, the restoring force is generated, after the ejecting column 30 is loosened, the ejecting column resets under the action of the return spring 31 and collides with the side wall of the dust collecting tank 15, the ash ejecting effect is achieved, accumulated chalk ash is further cleaned, and the cleaning effect is improved.

The working principle is as follows: when one side of the blackboard main body 3 is full of characters and needs to be cleaned, the fastening device is unlocked, then the blackboard main body 3 is pulled to one side, after the blackboard main body 3 is moved to the other end of the first sliding groove 4, the blackboard main body 3 is turned over to enable the side with the characters to face towards the inner side, then the side with the characters is contacted with the wiping head 14, the fastening device is utilized for fixing, the blackboard main body 3 extrudes the jacking device to enable the wiping head 14 to be in close contact with the side with the characters to ensure the wiping effect, at the moment, the blackboard main body 3 with the character side, the frame body 2 and the isolation box 1 form a relatively closed space, then the driving device is started to enable the sector gear 9 to drive the rack 11 to reciprocate, so that the wiping head 14 can be wiped on the blackboard main body 3 in a reciprocating manner, the wiping effect is ensured, meanwhile, the chalk dust falling during wiping is limited in the relatively closed space, the outward diffusion condition is reduced, and the, the dust is regularly cleaned from the dust outlet 16, thereby ensuring the cleanness of the environment and the personal safety of related personnel and having good effect in practical use.

Claims

1. The utility model provides an automatic wiping arrangement of blackboard of isolated dust, is including isolated case (1), framework (2), blackboard main part (3), the surface at isolated case (1) is fixed in framework (2), blackboard main part (3) are a plurality of, the corresponding position at both ends is equipped with a plurality of first spout (4) about framework (2), the length direction of framework (2) is followed in first spout (4) extends, sliding connection has first slider (5) in first spout (4), two from top to bottom be equipped with first pivot (6) between first slider (5), one side fixed connection of first pivot (6) and blackboard main part (3), its characterized in that: the upper and lower both ends of first pivot (6) rotate with first slider (5) respectively and are connected, blackboard main part (3) are kept away from and can be dismantled between the one end of first pivot (6) and framework (2) and be connected with fastener, be equipped with fixed axle (7) in isolated case (1), it is connected with connecting rod (8) to rotate on fixed axle (7), the one end of connecting rod (8) is equipped with sector gear (9), the other one end of connecting rod (8) is equipped with drive arrangement of drive connecting rod (8) reciprocating rotation, sector gear (9) and drive arrangement are located the both sides at connecting rod (8) rotation position respectively, there are support (10) along length direction sliding connection in isolated case (1), be equipped with rack (11) on support (10), sector gear (9) and rack (11) meshing, be equipped with a plurality of bracing pieces (12) along length direction on support (10), isolated case (1) is gone up and is equipped with a plurality of through-holes (13) along length direction, bracing piece (12) sliding connection is in through-hole (13), bracing piece (12) pass through-hole (13) to outside extension, bracing piece (12) are located isolated case (1) outside one end and are equipped with and clean head (14), be equipped with on bracing piece (12) and make the tight device in top that cleans head (14) and one side contact of blackboard main part (3), the height that highly is not less than blackboard main part (3) of cleaning head (14), every blackboard main part (3) clean head (14) with one at least and contact, the bottom of framework (2) is equipped with dust collecting vat (15), be equipped with dust outlet (16) on dust collecting vat (15).

2. The automatic blackboard erasing apparatus with dust insulation function according to claim 1, wherein: drive arrangement includes carousel (17), carousel (17) rotate to be connected in isolated case (1), it is connected with second slider (18) to rotate on carousel (17), be equipped with second spout (19) on connecting rod (8), second slider (18) sliding connection is in second spout (19), second spout (19) and sector gear (9) are located the both sides that rotate the position on connecting rod (8) respectively.

3. The automatic blackboard erasing device of claim 2, wherein: the driving device further comprises a second rotating shaft (20), a motor (21), a first gear (22) and a second gear (23), the second rotating shaft (20) is rotatably connected in the isolation box (1), the motor (21) is fixed in the isolation box (1), the first gear (22) is fixed on an output shaft of the motor (21), the second gear (23) is fixed on the second rotating shaft (20), the first gear (22) is meshed with the second gear (23), and the rotary disc (17) is fixed on the second rotating shaft (20).

4. The automatic blackboard erasing apparatus with dust insulation function according to claim 1, wherein: every it is connected with upper and lower two bracing pieces (12) that correspond the position to clean head (14), the tight device in top includes a plurality of fixing bases (24), fixing base (24) set up on one of them bracing piece (12) be connected with cleaning head (14), the one end of cleaning head (14) is rotated with one of them bracing piece (12) and is connected, clean other one end and fixing base (24) sliding connection of head (14), be equipped with elastic component (25) between fixing base (24) and cleaning head (14).

5. The automatic blackboard erasing apparatus with dust insulation function according to claim 1, wherein: the fastening device comprises a fixing ring (26), a limiting column (27) and a limiting hole (28), the fixing ring (26) is fixed at one end of the blackboard main body (3) far away from the first rotating shaft (6), the limiting hole (28) is arranged on the frame body (2), and the limiting column (27) penetrates through the fixing ring (26) and then is movably connected with the limiting hole (28).

6. The automatic blackboard erasing apparatus with dust insulation function according to claim 1, wherein: the bottom of dust collecting tank (15) downward sloping setting, dust export (16) are located the bottom of incline direction, be equipped with on dust collecting tank (15) and play grey device.

7. The automatic blackboard erasing device of claim 6, wherein: the ash ejection device comprises a U-shaped frame (29), the U-shaped frame (29) is fixed on a dust collecting groove (15), an ejection column (30) is connected to the U-shaped frame (29) in a sliding mode, one end of the ejection column (30) is in contact with the dust collecting groove (15), and a reset spring (31) is arranged between one end of the ejection column (30) and the U-shaped frame (29).