CN112190001B

CN112190001B - Kindergarten desk convenient to it is folding accomodate

Info

Publication number: CN112190001B
Application number: CN202011288264.3A
Authority: CN
Inventors: 危中来
Original assignee: Zhejiang Kaixian Industry And Trade Co ltd
Current assignee: Zhejiang Kaixian Industry And Trade Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2023-01-03
Anticipated expiration: 2040-11-17
Also published as: CN112190001A

Abstract

The invention relates to a desk, in particular to a kindergarten desk convenient to fold and store. The kindergarten desk which is convenient for people to store, saves time and labor, is not easy to breed bacteria, and does not influence physical and mental health of people is convenient to fold and store. A kindergarten desk convenient to fold and store comprises: the sliding type sliding plate comprises a bottom plate, wherein first sliding blocks are arranged on one side of the bottom plate at uniform intervals in a sliding mode; the connecting rod, the connecting rod rotary type is installed between two first sliders. According to the desk, the connecting rods are sequentially pushed to move backwards, the connecting rods move backwards to drive the driving device to operate, the driving device operates to drive the rotating device to operate, and therefore people can learn on the rotating device.

Description

Kindergarten desk convenient to it is folding accomodate

Technical Field

The invention relates to a desk, in particular to a kindergarten desk convenient to fold and store.

Background

The desk is generally used by students, and is used for schools from the earliest eight-direction desk in a school hall, and the desks used for learning in the school hall are unified into the desk. At present, most current desks are single desks processed by solid wood, the processing of the desks is convenient, a large amount of wood is wasted, the desks are not durable, the current desks are fixed and single, the storage is labor-consuming, the operation is still troublesome, people directly contact with the desks, the desks are long in service time, bacteria are easily bred, and the physical and mental health of people is influenced.

How to design a kindergarten desk that makes things convenient for people to accomodate, labour saving and time saving, and be difficult for breeding the bacterium, do not influence people physical and mental health's the kindergarten desk of accomodating of being convenient for, become the problem that will solve at present.

Disclosure of Invention

In order to overcome the defects that the storage is labor-consuming, the operation is still troublesome, people directly contact with a desk, the desk is long in service time, bacteria are easy to breed, and the physical and mental health of the people is affected, the technical problem of the invention is as follows: the kindergarten desk convenient to fold and store is convenient for people to store, time-saving, labor-saving, not prone to breeding bacteria and not affecting physical and mental health of people.

A kindergarten desk convenient to fold and store comprises: a bottom plate is arranged on the bottom plate, first sliding blocks are arranged on one side of the bottom plate at uniform intervals in a sliding manner; the connecting rod is rotatably arranged between the two first sliding blocks; the driving device is arranged between the bottom plate and the connecting rod and used for providing power; and the rotating device is arranged on the driving device, is matched with the connecting rod and is used for folding and accommodating.

Further, the driving device includes: the vertical plates are arranged on the connecting rod at intervals, every two vertical plates form a group, and the vertical plates are in sliding fit with the bottom plate; the number of the first rotating shafts is four, and the first rotating shafts are rotatably arranged on four vertical plates; the first gear is arranged on the first rotating shaft; the first racks are four in number and are arranged on the bottom plate at intervals, and the first racks are matched with the first gears.

Further, the rotating device includes: the number of the second rotating shafts is four, and the second rotating shafts are rotatably arranged on four vertical plates; the transmission assembly is arranged between the second rotating shaft and the first rotating shaft; the third rotating shaft is rotatably arranged among the six vertical plates in the row; the table plates are arranged on the third rotating shaft at intervals, and each group of the table plates is arranged between two vertical plates; the second gear is arranged on the second rotating shaft, the second gear is also arranged on the third rotating shaft, and two adjacent second gears are meshed; the telescopic supporting plate component is hinged to the table plate and matched with the connecting rod.

Further, the device comprises a supporting device, wherein the supporting device comprises: the fourth rotating shaft is rotatably arranged among the six vertical plates in the row; the hexagonal prism is arranged on the fourth rotating shaft; the decagonal sleeve is arranged on the hexagonal prism in a sliding mode; the pulling plate is arranged on the decagonal sleeve; the knob is arranged on the hexagonal prism; the first return springs are symmetrically arranged between one side of the pulling plate and one side of the knob; the third gears are uniformly arranged on the fourth rotating shaft at intervals; the second rack is slidably arranged on one vertical plate in each group and is meshed with the third gear; the fifth rotating shaft is arranged between the two vertical plates in each group in a sliding manner and is fixedly connected with the second rack; the pushing plate is symmetrically and hinged on the fifth rotating shaft; the sixth rotating shaft is arranged between the two vertical plates in each group; the supporting blocks are symmetrically and hingedly mounted on the sixth rotating shaft, and one side of each supporting block is hinged with one side of the push plate; and the limiting plate is arranged between the two vertical plates of each group.

Further, the cleaning device is also included, and the cleaning device comprises: the first sliding rod is arranged on the table board in a sliding manner; the first support slot plate is arranged on the first sliding rod; the second sliding block is arranged on the first supporting groove plate in a sliding mode; the second reset spring is arranged between one side of the second sliding block and one side of the first supporting groove plate; the first sliding plate is arranged on the first supporting groove plate in a sliding manner; the second sliding rod is slidably arranged on the table plate; the second support groove plate is arranged on the second sliding rod; the second sliding plate is slidably mounted on the second supporting groove plate; the seventh rotating shaft is rotatably arranged on the second sliding plate; the rotating cylinder with the hole is arranged on the seventh rotating shaft; the sponge sleeve is arranged on the first sliding plate in a sliding mode and is positioned in the rotating cylinder with the hole in sliding fit with the rotating cylinder with the hole.

Further, the device further comprises a protection device, wherein the protection device comprises: the mounting blocks are symmetrically mounted on the table plate; the third return spring is symmetrically arranged between one side of the mounting block and the table plate; the sponge piece is arranged on the mounting block.

Further explain, still including stop device, stop device is including: the rotary hinge block is embedded and rotatably mounted on the bottom plate; the eighth rotating shaft is rotatably arranged on the rotating hinge block; and the rotating baffle is arranged on the eighth rotating shaft.

Further, the knob is made of rubber.

The invention has the beneficial effects that:

1. through promoting the connecting rod backward movement in proper order, the connecting rod backward movement drives the drive arrangement function, and the drive arrangement function drives the rotating device function, and then people can study on rotating device, when need not to use this device, loops through first slider and promotes the connecting rod and move forward and reset, and the drive arrangement function just also drives the rotating device function and resets, so, can be convenient for people fold to accomodate labour saving and time saving to the desk.

2. Through cleaning device's effect, can clear up the table, so, can disinfect the clearance to the table, avoid bacterial growing.

3. Through protector's effect, can play the guard action, so, can avoid the student to touch the table corner carelessly and lead to being injured.

Drawings

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

Fig. 2 is a partial sectional structure diagram of the present invention.

Fig. 3 is a schematic sectional structure view of the driving device and the rotating device of the present invention.

Fig. 4 is a partial sectional view schematically showing the structure of the rotating device of the present invention.

Fig. 5 is a schematic perspective view of the supporting device of the present invention.

Fig. 6 is a schematic partial perspective view of the supporting device of the present invention.

Fig. 7 is a schematic perspective view of the cleaning device of the present invention.

Fig. 8 is a schematic cross-sectional view of a cleaning device according to a first embodiment of the present invention.

Fig. 9 is a schematic cross-sectional view of a second cleaning device of the present invention.

Fig. 10 is a perspective view of the protection device of the present invention.

Fig. 11 is a schematic perspective view of the spacing device of the present invention.

Reference numbers in the drawings: 1: bottom plate, 2: first slider, 3: connecting rod, 4: drive device, 41: riser, 42: first rotating shaft, 43: first gear, 44: first rack, 5: rotating means, 52: second rotating shaft, 53: third shaft, 54: transmission assembly, 55: second gear, 56: table, 57: telescopic supporting plate assembly, 6: support means, 61: fourth rotation shaft, 62: hexagonal prism, 63: knob, 64: decagonal sleeve, 65: pulling plate, 66: first return spring, 67: third gear, 68: second rack, 69: fifth rotation shaft, 610: push plate, 611: sixth rotating shaft, 612: support block, 613: limiting plate, 7: cleaning device, 71: first slide bar, 72: first support groove plate, 73: second slider, 74: second return spring, 75: first sliding plate, 76: second slide bar, 77: second support groove plate, 78: second slide plate, 79: seventh rotation shaft, 710: perforated rotating drum, 711: sponge sleeve, 8: guard, 81: mounting block, 82: third return spring, 83: sponge sheet, 9: stop device, 91: rotary hinge block, 92: eighth shaft, 93: the baffle is rotated.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided for completeness and fully convey the scope of the invention to the skilled person.

Example 1

A kindergarten desk convenient to fold and store is disclosed, as shown in figures 1-4, and comprises a bottom plate 1, first sliders 2, connecting rods 3, driving devices 4 and rotating devices 5, wherein the first sliders 2 are arranged on the bottom plate 1 in a sliding mode at uniform intervals, the connecting rods 3 are fixedly connected between the upper portions of the first sliders 2 corresponding to the left side and the right side, the driving devices 4 are arranged between the bottom plate 1 and the connecting rods 3, the rotating devices 5 are arranged on the driving devices 4, and the rotating devices 5 are matched with the connecting rods 3.

Drive arrangement 4 is including riser 41, first pivot 42, first gear 43 and first rack 44, connecting rod 3 upwards interval rigid coupling has six risers 41 in the circumference, riser 41 and bottom plate 1 sliding fit, lower part rotary type is equipped with first pivot 42 in the first row left second riser 41 of count from the past backward, also lower part rotary type is equipped with first pivot 42 in the third riser 41 of second row left of count from the past backward, the also lower part rotary type is equipped with first pivot 42 in the third riser 41 of third row right-hand second riser of count from the past backward, the also lower part rotary type is equipped with first pivot 42 in the fourth row rightmost riser 41 of count from the past backward, first pivot 42 middle part circumference rigid coupling has first gear 43, even interval rigid coupling in bottom plate 1 top has four first rack 44, first rack 44 cooperates with corresponding first gear 43.

The rotating device 5 comprises a second rotating shaft 52, a third rotating shaft 53, a transmission assembly 54, a second gear 55, a table 56 and a telescopic supporting plate assembly 57, wherein the second rotating shaft 52 is rotatably arranged at the upper part in a first row left second vertical plate 41 counted from front to back, the second rotating shaft 52 is rotatably arranged at the upper part in a second row left third vertical plate 41 counted from front to back, the second rotating shaft 52 is also rotatably arranged at the upper part in a third row right second vertical plate 41 counted from front to back, the second rotating shaft 52 is also rotatably arranged at the upper part in a fourth row rightmost vertical plate 41 counted from front to back, the transmission assembly 54 is connected between the left circumferential direction of the first rotating shaft 42 and the left circumferential direction of the corresponding second rotating shaft 52, the third rotating shaft 53 is rotatably arranged between the upper parts of six vertical plates 41, the second gear 55 is fixedly connected between the circumferential direction of the third rotating shaft 53 and the circumferential direction of the second rotating shaft 52, two adjacent second gears 55 are meshed, the three table 56 are fixedly connected to the third rotating shaft 53 at even intervals in the circumferential direction, the table 56 is positioned between two vertical plates 41, the middle parts of the bottom of the supporting plate assemblies 57, and the telescopic supporting plate assemblies 57 are arranged at the middle parts of the bottoms of the supporting plates 57, and the telescopic supporting plate assemblies 57.

At first people loop through first slider 2 and promote connecting rod 3 and move backward, connecting rod 3 moves backward and drives drive arrangement 4 function, drive arrangement 4 function drives rotating device 5 function, and then people can study on rotating device 5, when need not to use this device, loop through first slider 2 and promote connecting rod 3 and move forward and reset, drive arrangement 4 function just also drives rotating device 5 function and resets, so, can be convenient for people fold the desk and accomodate.

Firstly, people push the connecting rod 3 to move backwards through the first sliding block 2, the connecting rod 3 moves backwards to drive the vertical plate 41 to move backwards, the vertical plate 41 moves backwards to drive the first gear 43 to move backwards, the first gear 43 moves backwards to be in contact with the corresponding first rack 44, the first rack 44 drives the first gear 43 to rotate forwards, the first gear 43 rotates forwards to drive the rotating device 5 to operate, and then people can learn on the rotating device 5.

When the vertical plate 41 moves backwards, the first gear 43 moves backwards to contact with the corresponding first rack 44, the first rack 44 drives the first gear 43 to rotate forwards, the first gear 43 rotates forwards to drive the transmission assembly 54 to rotate forwards, the transmission assembly 54 rotates forwards to drive the second rotating shaft 52 to rotate forwards, the second rotating shaft 52 rotates forwards to drive the lower second gear 55 to rotate forwards, the lower second gear 55 rotates forwards to drive the upper second gear 55 to rotate backwards, the upper second gear 55 rotates backwards to drive the third rotating shaft 53 to rotate backwards, the third rotating shaft 53 rotates backwards to drive the table 56 to swing upwards, when the table 56 swings to a proper position upwards, the telescopic supporting plate assembly 57 is taken down to open the telescopic supporting plate assembly, then the lower portion of the telescopic supporting plate assembly 57 is inserted into the connecting rod 3 to limit the table 56, people can learn on the table 56, when the device is not needed, the telescopic supporting plate assembly 57 is taken down from the connecting rod 3, the telescopic supporting plate assembly 57 is folded and put back onto the table 56, the connecting rod 3 is pushed to move forwards through the first sliding block 2 to reset, the first gear 43 moves forwards again to contact with the corresponding first rack 44, people drive the first rotating shaft 54 to drive the first rotating shaft 53 to swing the table to reset the desk 53, and the desk 53.

Example 2

On the basis of embodiment 1, as shown in fig. 1, fig. 2, fig. 5, fig. 6, fig. 7, fig. 8, and fig. 9, the present invention further includes a supporting device 6, the supporting device 6 includes a fourth rotating shaft 61, a hexagonal prism 62, a knob 63, a crossed sleeve 64, a pulling plate 65, a first return spring 66, a third gear 67, a second rack 68, a fifth rotating shaft 69, a pushing plate 610, a sixth rotating shaft 611, a supporting block 612, and a limiting plate 613, the fourth rotating shaft 61 is rotatably disposed between the middle portions of the six vertical plates 41, the hexagonal prism 62 is circumferentially fixed at the left portion of the fourth rotating shaft 61, the crossed sleeve 64 is circumferentially and slidably fitted at the right portion of the hexagonal prism 62, the crossed sleeve 64 is slidably fitted with the uppermost vertical plate 41, the pulling plate 65 is circumferentially fixed at the left portion of the crossed sleeve 64, the knob 63 is fixedly fitted at the left end of the hexagonal prism 62, the first return spring 66 is symmetrically fixed between the inner side surface of the knob 63 and the left side surface of the pulling plate 65, three third gears 67 are fixedly connected to the fourth rotating shaft 61 at uniform intervals in the circumferential direction, the third gears 67 are located in each group of left vertical plates 41, a second rack 68 is slidably arranged inside each group of left vertical plates 41, the second rack 68 is engaged with the third gears 67, a fifth rotating shaft 69 is slidably arranged between each group of two vertical plates 41, the left portion of the fifth rotating shaft 69 is fixedly connected to the middle portion of the second rack 68, pushing plates 610 are symmetrically hinged to the fifth rotating shaft 69 in the circumferential direction in a left-right manner, a sixth rotating shaft 611 is rotatably arranged between the upper portions of each group of two vertical plates 41, the sixth rotating shaft 611 is located above the fifth rotating shaft 69, supporting blocks 612 are symmetrically fixedly connected to the sixth rotating shaft 611 in the circumferential direction, the middle portions of the supporting blocks 612 are rotatably connected to the upper portions of the pushing plates 610, a limiting plate 613 is fixedly connected to the upper portions of the inner side surfaces of each group of two vertical plates 41, and the limiting plate 613 is located between the sixth rotating shaft 611 and the fifth rotating shaft 69.

The cleaning device 7 further comprises a cleaning device 7, the cleaning device 7 comprises a first sliding rod 71, a first supporting groove plate 72, a second sliding block 73, a second reset spring 74, a first sliding plate 75, a second sliding rod 76, a second supporting groove plate 77, a second sliding plate 78, a seventh rotating shaft 79, a rotating cylinder with holes 710 and a sponge sleeve 711, the first sliding rod 71 is arranged on the right portion of the table 56 in a sliding mode, the first supporting groove plate 72 is fixedly connected to the right end of the first sliding rod 71, the second reset spring 74 is fixedly connected to the lower portion of the left side face of the first supporting groove plate 72, the second sliding block 73 is fixedly connected to the tail end of the second reset spring 74, the left portion of the second sliding block 73 is located on the right portion of the table 56 in a sliding fit with the sliding rod, the first sliding plate 75 is arranged in the first supporting groove plate 72, the second sliding rod 76 is arranged on the left portion of the table 56 in a sliding mode, the second sliding groove plate 77 is fixedly connected to the left end of the second sliding rod, the second sliding plate 78 is arranged on the upper portion of the second sliding plate 78, the seventh rotating shaft 79 is located in a sliding fit with the rotating cylinder with the sponge sleeve 710, and the rotating cylinder with the rotating shaft 711.

When the table 56 swings upwards to a proper angle, the pulling plate 65 is pulled to move leftwards, the first return spring 66 is compressed, the pulling plate 65 moves leftwards to drive the decagonal sleeve 64 to move leftwards, the decagonal sleeve 64 moves leftwards to be separated from the vertical plate 41, meanwhile, the twisting knob 63 rotates forwards, the knob 63 rotates forwards to drive the hexagonal prism 62 to rotate forwards, the hexagonal prism 62 rotates forwards to drive the fourth rotating shaft 61 to rotate forwards, the fourth rotating shaft 61 rotates forwards to drive the third gear 67 to rotate forwards, the third gear 67 rotates forwards to drive the second rack 68 to move upwards, the second rack 68 moves upwards to drive the fifth rotating shaft 69 to move upwards, the fifth rotating shaft 69 moves upwards to drive the front part of the pushing plate 610 to swing upwards, the front part of the pushing plate 610 swings upwards to drive the supporting block 612 to swing upwards, the supporting block 612 swings upwards to be contacted with the table 56 to limit the table, the twisting knob 63 stops rotating forwards, the supporting block 612 stops swinging upwards, the pulling plate 65 is loosened, and the pulling plate 65 is loosened due to the effect of the first return spring 66, the pulling plate 65 drives the decagonal sleeve 64 to be inserted into the vertical plate 41.

Initially, a proper amount of alcohol is filled in the perforated rotary cylinder 710, when the table plate 56 swings downwards and resets, due to the action of gravity, the second sliding rod 76 moves downwards to drive the second supporting groove plate 77 to move downwards, the second supporting groove plate 77 moves downwards to drive the seventh rotating shaft 79 to move downwards, the seventh rotating shaft 79 moves downwards to drive the perforated rotary cylinder 710 to move downwards and rotate, the perforated rotary cylinder 710 moves downwards and rotates to clean the top of the table plate 56, meanwhile, due to the action of gravity, the second sliding block 73 also moves downwards, the second sliding block 73 drives the first supporting groove plate 72 to move downwards, the first supporting groove plate 72 moves downwards, the first sliding plate 72 moves downwards to drive the first sliding rod 71 to move downwards, the first sliding rod 71 cooperates with a wave groove in the table plate 56 to drive the first supporting groove plate 72 to move downwards, the first sliding plate 75 moves left and right to drive the sponge sleeve 711 to move left and right to move left and right to discharge the alcohol in the perforated rotary cylinder 710, and the table plate 56 can be disinfected to avoid bacteria breeding.

Example 3

On the basis of the embodiment 1 and the embodiment 2, as shown in fig. 2, fig. 10 and fig. 11, the table further includes a protection device 8, the protection device 8 includes a mounting block 81, a third return spring 82 and a sponge sheet 83, the mounting block 81 is symmetrically and fixedly connected to the front portion of the table 56, the third return spring 82 is symmetrically and fixedly connected between the inner side surface of the mounting block 81 and one side of the table 56, and the sponge sheet 83 is fixedly connected to the outer side surface of the mounting block 81.

Still including stop device 9, stop device 9 is including rotatory articulated piece 91, eighth pivot 92 and rotating baffle 93, and the embedded rotary type in the anterior left side of bottom plate 1 is equipped with rotatory articulated piece 91, and rotatory articulated piece 91 upper portion rotary type is equipped with eighth pivot 92, and eighth pivot 92 circumference rigid coupling has rotating baffle 93.

When people use the device, if the desk corner is touched carelessly, the sponge piece 83 plays a protective role, and the third return spring 82 also can play a buffering role, so that the student can be prevented from being injured due to careless touch of the desk corner.

When people loop through first slider 2 and promote connecting rod 3 and move forward and reset, riser 41 also moves forward and resets, at first stimulates rotating damper 93 and upwards swings, twists rotating damper 93 corotation certain distance, puts into bottom plate 1 transverse groove with stimulating rotating damper 93 again to can block first slider 2, when needs use this device, according to above-mentioned operation pulling rotating damper 93 put into bottom plate 1 vertical inslot can. Thus, the first sliding block 2 can be prevented from being touched by mistake to move when the device is not needed.

While the present invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.

Claims

1. The utility model provides a kindergarten's desk convenient to fold and accomodate, characterized by, including:

the device comprises a base plate (1), wherein first sliding blocks (2) are arranged on one side of the base plate (1) in a sliding manner at uniform intervals;

the connecting rod (3), the connecting rod (3) is installed between the two first sliding blocks (2) in a rotating mode;

the driving device (4) is arranged between the bottom plate (1) and the connecting rod (3) and is used for providing power;

the rotating device (5) is arranged on the driving device (4), is matched with the connecting rod (3) and is used for folding and containing;

the drive device (4) comprises:

the vertical plates (41), the vertical plates (41) are arranged on the connecting rod (3) at intervals, every two vertical plates (41) form a group, and the vertical plates (41) are in sliding fit with the bottom plate (1);

the number of the first rotating shafts (42) is four, and the first rotating shafts (42) are rotatably arranged on four vertical plates (41);

a first gear (43), the first gear (43) being mounted on the first shaft (42);

the number of the first racks (44) is four, the first racks (44) are arranged on the bottom plate (1) at intervals, and the first racks (44) are matched with the first gear (43);

the rotating device (5) comprises:

the number of the second rotating shafts (52) is four, and the second rotating shafts (52) are rotatably arranged on four vertical plates (41);

the transmission assembly (54), the transmission assembly (54) is installed between the second rotating shaft (52) and the first rotating shaft (42);

the third rotating shaft (53) is rotatably arranged among the six vertical plates (41);

the table plates (56) are arranged on the third rotating shaft (53) at intervals, and each group of the table plates (56) is arranged between two vertical plates (41);

the second gear (55), the second gear (55) is installed on the second spindle (52), and the second gear (55) is also installed on the third spindle (53), two adjacent second gears (55) are meshed;

the telescopic supporting plate component (57) is hinged on the table plate (56) and matched with the connecting rod (3);

still including strutting arrangement (6), strutting arrangement (6) including:

the fourth rotating shaft (61), the fourth rotating shaft (61) is rotatably installed between the six vertical plates (41);

the hexagonal prism (62), the hexagonal prism (62) is installed on the fourth rotating shaft (61);

the decagonal sleeve (64), the decagonal sleeve (64) is slidably mounted on the hexagonal prism (62);

the pulling plate (65), the pulling plate (65) is installed on the decagonal sleeve (64);

the knob (63), the knob (63) is installed on the hexagonal prism (62);

the first return spring (66), the first return spring (66) is installed between one side of the pulling plate (65) and one side of the knob (63) symmetrically;

the third gears (67) are uniformly arranged on the fourth rotating shaft (61) at intervals;

the second rack (68) is slidably arranged on one vertical plate (41) of each group and is meshed with the third gear (67);

the fifth rotating shaft (69) is slidably mounted between each two vertical plates (41) and fixedly connected with the second rack (68);

the pushing plate (610), the pushing plate (610) is symmetrically and hingedly mounted on the fifth rotating shaft (69);

the sixth rotating shaft (611), the sixth rotating shaft (611) is installed between each two vertical plates (41);

the supporting block (612), the supporting block (612) is symmetrically and hingedly mounted on the sixth rotating shaft (611), and one side of the supporting block (612) is hinged with one side of the pushing plate (610);

and the limiting plate (613), and the limiting plate (613) is arranged between the two vertical plates (41) in each group.

2. A kindergarten desk convenient to fold and store according to claim 1, further comprising a cleaning device (7), wherein the cleaning device (7) comprises:

the first sliding rod (71), the first sliding rod (71) is slidably mounted on the table plate (56);

a first support slot plate (72), the first support slot plate (72) being mounted on the first slide bar (71);

the second sliding block (73), the second sliding block (73) is installed on the first supporting slot plate (72) in a sliding way;

a second return spring (74), wherein the second return spring (74) is arranged between one side of the second sliding block (73) and one side of the first supporting groove plate (72);

the first sliding plate (75), the first sliding plate (75) is slidably mounted on the first supporting slotted plate (72);

the second sliding rod (76), the second sliding rod (76) is installed on the desk plate (56) in a sliding way;

a second support groove plate (77), the second support groove plate (77) being installed on the second sliding bar (76);

a second sliding plate (78), wherein the second sliding plate (78) is slidably mounted on the second supporting slot plate (77);

the seventh rotating shaft (79), the seventh rotating shaft (79) is installed on the second sliding plate (78) in a rotating mode;

the perforated rotating cylinder (710), the perforated rotating cylinder (710) is arranged on the seventh rotating shaft (79);

sponge sleeve (711), sponge sleeve (711) are installed on first sliding plate (75) slidable, and sponge sleeve (711) are located foraminiferous rotating cylinder (710) and are rather than sliding fit.

3. A kindergarten desk convenient to fold and store according to claim 2, further comprising a protective device (8), the protective device (8) comprising:

the mounting blocks (81), the mounting blocks (81) are symmetrically mounted on the table plate (56);

the third return spring (82), the third return spring (82) is installed between one side of the mounting block (81) and the table plate (56) symmetrically;

the sponge piece (83), the sponge piece (83) is installed on the installation block (81).

4. A kindergarten desk convenient to fold and store according to claim 3, characterized by further comprising a limiting device (9), wherein the limiting device (9) comprises:

the rotary hinge block (91), the rotary hinge block (91) is embedded and rotatably mounted on the bottom plate (1);

the eighth rotating shaft (92), the eighth rotating shaft (92) is rotatably installed on the rotary hinge block (91);

and the rotating baffle (93), and the rotating baffle (93) is arranged on the eighth rotating shaft (92).

5. A kindergarten desk convenient to fold and store as claimed in claim 1, wherein the knob (63) is made of rubber.