CN114451661A

CN114451661A - Teaching platform convenient to disassemble and assemble

Info

Publication number: CN114451661A
Application number: CN202210084150.XA
Authority: CN
Inventors: 黄继华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-05-10

Abstract

The invention relates to a platform, in particular to a platform convenient to disassemble and assemble for teaching. The invention aims to provide a teaching platform which can collect chalk dust on a blackboard eraser and is convenient to disassemble and assemble. The invention provides a teaching platform convenient to disassemble and assemble, which comprises a bottom plate, a supporting plate, supporting rods, a platform and the like, wherein the supporting plate is arranged at the front side of the top of the bottom plate in a sliding mode, the supporting rods are symmetrically arranged at the rear side of the top of the bottom plate in a sliding mode, and the platform for assisting teaching is arranged between the supporting rods and the top of the supporting plate in a sliding mode. The supporting plate, the supporting rod and the platform can be detached, so that people can carry the platform conveniently, the supporting frame is pressed down once, the placing plate can rotate up and down once, the blackboard eraser is shaken, chalk dust can slide into the collecting box, and the subsequent processing work of people is facilitated.

Description

Teaching platform convenient to disassemble and assemble

Technical Field

The invention relates to a platform, in particular to a platform convenient to disassemble and assemble for teaching.

Background

The podium is the high platform that the lecture or used in class, and traditional podium shape is fixed, can not dismantle, leads to inconvenient transport, and the function is simple moreover, can not satisfy teacher's pluralism demand.

Patent application CN112336055A, published day is 20210209, discloses a podium of teaching with dismouting of being convenient for, including the bottom plate, bottom plate top outer wall both ends have all been welded the backup pad, and has placed same platen at two backup pad tops, platen top outer wall one end welding has the fixed block, and the outer wall of fixed block top opens there is the slot, the plug-in has the pivot, and the welding of pivot top outer wall has fixed frame, the electric fan is installed through the dead lever to fixed frame inner wall, and platen top outer wall installs the water tank, the drinking cup has been placed in the water tank, and bottom plate bottom outer wall both ends all have the live-rollers through the support mounting. When the multifunctional desk is used, the desk can be pushed to a required position, the desk plate can be used by placing the desk plate on the tops of the two supporting plates, the desk plate is very convenient to disassemble, meanwhile, the servo motor can be started to drive the rotating rollers to rotate when the desk is pushed, automatic movement can be achieved, manual pushing is not needed, physical strength of teachers is saved, and the teachers are more energetic in class and have better teaching quality. Although the blackboard eraser can be detached, the blackboard eraser cannot be independently stored, a lot of chalk dust falls on a platform, and manual follow-up cleaning is needed.

In summary, there is a need for a teaching platform that can collect chalk dust on a blackboard eraser and is easy to assemble and disassemble, so as to solve the above problems.

Disclosure of Invention

In order to overcome the defect that the conventional podium convenient to disassemble and assemble can not be used for independently storing the blackboard eraser, and a lot of chalk dust can fall onto the podium, the invention aims to provide the podium convenient to disassemble and assemble for teaching, which can be used for collecting the chalk dust on the blackboard eraser.

The invention is realized by the following technical approaches:

the utility model provides a teaching is with podium of dismouting of being convenient for, which comprises a base plate, a supporting plate, the bracing piece, the podium, place the pipe, placement mechanism and supporting mechanism, the top front side sliding type of bottom plate is equipped with the backup pad, the top rear side bilateral symmetry slidingtype of bottom plate is equipped with the bracing piece, slidingtype is equipped with the podium that is used for supplementary teaching between the top of bracing piece and backup pad, the rear portion of podium is equipped with the pipe of placing that is used for putting the pen, be equipped with the placement mechanism who is used for placing the blackboard eraser between backup pad and the bracing piece, be equipped with the supporting mechanism who is used for shaking the blackboard eraser in the placement mechanism.

Further, the placing mechanism comprises a vertical plate, a top plate, a rotating shaft, a placing plate, a collecting box, a first torsional spring and a cover, wherein the vertical plate is arranged on the upper portion of the inner side of the supporting rod, the inner side of the vertical plate is connected with the supporting plate, the top of the vertical plate is provided with the top plate, the lower portion of the vertical plate is provided with the rotating shaft, the rotating shaft is provided with the placing plate in an equal rotating mode, the front side of the placing plate is provided with the collecting box in an equal sliding mode, the outer side of the rotating shaft is provided with the first torsional spring in a winding mode, two ends of the first torsional spring are connected with the rotating shaft and the placing plate respectively, and the middle of the outer side of the collecting box is provided with the cover in an equal threaded mode.

Further, the supporting mechanism comprises sliding sleeves, a supporting frame, first springs, first sliding rods, ejector rods, supporting plates, second springs, hinged plates, supporting pads and second torsion springs, the sliding sleeves are symmetrically arranged on the left and right sides of the lower portion of the front side of each vertical plate, the supporting frames are arranged between the two sliding sleeves on the same side in a sliding mode and are in contact with adjacent placing plates, the first springs are wound on the left and right sides of the upper portion of each supporting frame, the two ends of each first spring are respectively connected with the sliding sleeves and the supporting frames, the first sliding rods are arranged in the middle of the lower portion of each vertical plate, the ejector rods are arranged in the middle of the upper portion of each supporting frame and are in sliding connection with the adjacent first sliding rods, the supporting plates are arranged on the rear sides of the ejector rods, the second springs are wound on the lower portions of the first sliding rods, the two ends of the second springs are respectively connected with the vertical plates and the ejector rods, the hinged plates are arranged on the lower portions of the rear sides of the vertical plates, the outer sides of the hinged plates are rotatably provided with the supporting pads, the tops of the supporting pads are in contact with the bottoms of the adjacent placing plates, the top of the supporting plate is contacted with the bottom of the adjacent supporting pad, and a second torsion spring is arranged between the supporting pad and the adjacent hinged plate.

Further, still including the stop gear who is used for fixed blackboard eraser, stop gear includes spacing, gag lever post and third spring, places the board outside around both sides all be equipped with spacing, spacing upper portion all slidingtype is equipped with the gag lever post, all around having the third spring on the gag lever post, the both ends of third spring are connected with spacing and gag lever post respectively.

Furthermore, the chalk storage box comprises a storage mechanism used for placing boxed chalks and teaching aids, the storage mechanism comprises a storage frame, a cover plate, partition plates, a locating rod and a fourth spring, the storage frame is arranged on the upper portion of the front side of the supporting plate, the cover plate is arranged on the lower portion of the front side of the storage frame in a rotating mode, the two partition plates are arranged on the inner side of the storage frame at intervals, the locating rod is arranged on the upper front side of the storage frame in a sliding mode in a bilateral symmetry mode, the cover plate is clamped by the locating rod, the fourth spring is wound on the outer side of the locating rod, and two ends of the fourth spring are connected with the storage frame and the locating rod respectively.

Further, the storage mechanism further comprises a handle, and the middle of the front side of the cover plate is provided with the handle.

Further, still including the stabilizing mean who is used for placing the drinking cup, stabilizing mean is including the steady rest, the stabilizer bar, the sleeve, hold in the palm the frame, guide bar and fifth spring, the front side upper portion bilateral symmetry of backup pad is equipped with the steady rest, be equipped with the stabilizer bar between the top of steady rest, the equal interval in the left and right sides of stabilizer bar bottom is equipped with three sleeve, all slidingtype is equipped with the guide bar in the sleeve, all be equipped with the support frame between three guide bar lower parts of homonymy, it can contact with the support frame to hold in the palm the frame down motion, all around having the fifth spring on the guide bar, the both ends of fifth spring are connected with sleeve and support frame respectively.

Further, still including being used for pressing from both sides the chucking mechanism of tight test paper, chucking mechanism is including second slide bar, slider, sixth spring and buckle, and the left and right sides of podium all is equipped with the second slide bar, and the equal slidingtype in both sides is equipped with the slider around the second slide bar, and the slider outside is all slidingtype to be equipped with the buckle, all is equipped with the sixth spring between buckle and the adjacent slider.

Compared with the prior art, the invention has the following advantages: 1. the supporting plate, the supporting rod and the platform can be detached, so that people can carry the platform conveniently, and then the supporting frame is pressed down once, so that the placing plate can rotate up and down once, the blackboard eraser is shaken, chalk dust can slide into the collecting box, and the subsequent processing work of people is facilitated.

2. When the limiting rod moves towards the inner side, the top of the blackboard eraser can be blocked, and the blackboard eraser is prevented from falling to the ground when shaken.

3. The storage frame can be used for facilitating teachers to place some boxed chalks, the cover plate can cover the front side of the storage frame to play a dustproof role, and then the cover plate can be limited through the positioning rod.

Drawings

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

Fig. 2 is a schematic perspective view of a first placement mechanism of the present invention.

Fig. 3 is a schematic perspective view of a second placement mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first supporting mechanism according to the present invention.

Fig. 5 is a schematic perspective view of a second supporting mechanism according to the present invention.

Fig. 6 is a schematic perspective view of the limiting mechanism of the present invention.

Fig. 7 is a schematic perspective view of a first receiving mechanism according to the present invention.

Fig. 8 is a schematic perspective view of a second receiving mechanism according to the present invention.

Fig. 9 is a schematic perspective view of the stabilizing mechanism of the present invention.

Fig. 10 is a perspective view of the chucking mechanism of the present invention.

Wherein: 1-bottom plate, 2-supporting plate, 3-supporting rod, 4-podium, 5-placing tube, 6-placing mechanism, 61-riser, 62-top plate, 63-rotating shaft, 64-placing plate, 65-collecting box, 66-first torsion spring, 67-cover, 7-supporting mechanism, 71-sliding sleeve, 72-supporting frame, 73-first spring, 74-first sliding rod, 75-ejector rod, 76-supporting plate, 77-second spring, 78-hinged plate, 79-supporting pad, 711-second torsion spring, 8-limiting mechanism, 81-limiting frame, 82-limiting rod, 83-third spring, 9-containing mechanism, 91-containing frame, 92-cover plate, 93-handle, 94-separating plate, 95-a positioning rod, 96-a fourth spring, 11-a stabilizing mechanism, 111-a stabilizing frame, 112-a stabilizing rod, 113-a sleeve, 114-a supporting frame, 115-a guide rod, 116-a fifth spring, 12-a clamping mechanism, 121-a second sliding rod, 122-a sliding block, 123-a sixth spring and 124-a buckle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Example 1

The utility model provides a teaching is with podium of being convenient for dismouting, refer to fig. 1-5, including bottom plate 1, backup pad 2, bracing piece 3, podium 4, place pipe 5, placement mechanism 6 and supporting mechanism 7, the top front side sliding type of bottom plate 1 is equipped with backup pad 2, the top rear side bilateral symmetry slidingtype of bottom plate 1 is equipped with bracing piece 3, the slidingtype is equipped with podium 4 between the top of bracing piece 3 and backup pad 2, the teacher can place the teaching apparatus on podium 4, supplementary teacher's teaching work, the welding of the rear portion of podium 4 has placement pipe 5, the teacher can put into with the pen and place pipe 5, be equipped with placement mechanism 6 between backup pad 2 and the bracing piece 3, be equipped with supporting mechanism 7 on the placement mechanism 6.

Referring to fig. 1-3, the placing mechanism 6 includes a vertical plate 61, a top plate 62, a rotating shaft 63, a placing plate 64, a collecting box 65, a first torsion spring 66 and a cover 67, the vertical plate 61 is disposed on the upper portion of the inner side of the supporting rod 3, the inner side of the vertical plate 61 is connected with the supporting plate 2, the top plate 62 is disposed on the top of the vertical plate 61, the rotating shaft 63 is disposed on the lower portion of the vertical plate 61, the placing plate 64 is disposed on the rotating shaft 63 in an equal rotating mode, the collecting box 65 is disposed on the front side of the placing plate 64 in an equal sliding mode, a teacher can place a blackboard eraser on the placing plate 64, when the placing plate 64 drives the blackboard eraser to shake, chalk dust can be shaken off, the chalk dust falls into the collecting box 65, the first torsion spring 66 is wound on the outer side of the rotating shaft 63, two ends of the first torsion spring 66 are respectively connected with the rotating shaft 63 and the placing plate 64, and the cover 67 is disposed in the middle portion of the outer side of the collecting box 65 in a threaded mode.

Referring to fig. 1, 4 and 5, the supporting mechanism 7 includes sliding sleeves 71, a supporting frame 72, a first spring 73, a first sliding rod 74, a push rod 75, a supporting plate 76, a second spring 77, a hinge plate 78, a supporting pad 79 and a second torsion spring 711, the sliding sleeves 71 are welded on the lower portion of the front side of the vertical plate 61 in bilateral symmetry, the supporting frame 72 is slidably disposed between two sliding sleeves 71 on the same side, the supporting frame 72 is in contact with the adjacent placing plate 64, when the supporting frame 72 moves downward, the placing plate 64 can be pressed to rotate downward, when the supporting frame 72 moves upward and returns, the placing plate 64 can rotate upward and return, so as to drive the blackboard eraser to shake, the first springs 73 are wound around the left and right sides of the upper portion of the supporting frame 72, both ends of the first springs 73 are respectively connected with the sliding sleeves 71 and the supporting frame 72, the first sliding rod 74 is disposed in the middle of the lower portion of the vertical plate 61, the push rod 75 is disposed in the middle of the upper portion of the supporting frame 72, ejector pin 75 all with adjacent first slide bar 74 sliding connection, layer board 76 has all been welded to ejector pin 75 rear side, first slide bar 74 lower part has all been around having second spring 77, the both ends of second spring 77 are connected with riser 61 and ejector pin 75 respectively, articulated board 78 has all been welded to the rear side lower part of riser 61, the equal rotary type in articulated board 78 outside is equipped with and holds in the palm pad 79, hold in the palm the pad 79 top all with adjacent board 64 bottom contact of placing, layer board 76 top all contacts with adjacent support pad 79 bottom, all be equipped with second torsional spring 711 between support pad 79 and the adjacent articulated board 78.

When a teacher needs to use the platform 4, firstly, the bottom plate 1 is placed at a designated position, then the supporting plate 2 and the supporting rod 3 are inserted onto the bottom plate 1, then the platform 4 is inserted between the tops of the supporting plate 2 and the supporting rod 3, then a pen can be placed into the placing tube 5, the blackboard eraser is placed on the top of the placing plate 64, then teaching tools are placed on the platform 4, then teaching can be performed, when the teacher needs to use the blackboard eraser, the blackboard eraser can be directly taken out, then the blackboard eraser is erased, after the blackboard eraser is erased, the blackboard eraser is placed back to the original position, the supporting frame 72 is pressed downwards, the first spring 73 is compressed, the supporting frame 72 drives the ejector rod 75 and the supporting plate 76 to move downwards, the second spring 77 is compressed, the supporting plate 76 is separated from the supporting pad 79, meanwhile, the supporting frame 72 can press the placing plate 64 to rotate downwards, the first torsion spring 66 deforms, the placing plate 64 presses the supporting pad 79 to rotate downwards, the second torsion spring 711 is deformed, then the support frame 72 is loosened, the first spring 73 and the second spring 77 are restored to original shapes, the support frame 72, the ejector rod 75 and the supporting plate 76 are driven to move upwards to reset, the support frame 72 is separated from the placing plate 64, the first torsion spring 66 is restored to original shapes, the placing plate 64 is driven to rotate upwards to reset, the placing plate 64 is separated from the supporting pad 79, the second torsion spring 711 is restored to original shapes, the supporting pad 79 is driven to rotate upwards to reset, at the moment, the blackboard eraser can vibrate, chalk dust can be shaken off, the chalk dust can fall onto the placing plate 64, when the placing plate 64 rotates downwards next time, the chalk dust can fall into the collection box 65 under the action of gravity, after the collection box 65 is filled with chalk dust, the collection box 65 is pulled outwards to be taken out, the cover 67 is rotated to be opened, the chalk dust in the collection box 65 is fallen, and the cover 67 is rotated and reset again, put the collecting box 65 back the normal position at last can, when the teacher need not use this podium 4, can take out blackboard eraser and pen, then upwards stimulate podium 4 and take out, upwards stimulate backup pad 2 and bracing piece 3 again and take out, can accomplish the dismantlement work of this podium 4, convenient transport.

Example 2

On the basis of embodiment 1, referring to fig. 1 and 6, the blackboard eraser further comprises a limiting mechanism 8, wherein the limiting mechanism 8 comprises a limiting frame 81, a limiting rod 82 and a third spring 83, the limiting frame 81 is welded on the front side and the rear side of the outer side of the placing plate 64, the limiting rod 82 is arranged on the upper portion of the limiting frame 81 in a sliding mode, the limiting rod 82 can block the top of the blackboard eraser when moving inwards, the blackboard eraser is prevented from falling to the ground, the third spring 83 is wound on the limiting rod 82, and two ends of the third spring 83 are connected with the limiting frame 81 and the limiting rod 82 respectively.

When a teacher places the blackboard eraser on the top of the placement plate 64, the blackboard eraser can be in contact with the limiting rod 82, the limiting rod 82 is extruded to move towards the outer side, the third spring 83 is compressed, when the blackboard eraser is separated from the limiting rod 82, the third spring 83 is restored to the original state, the limiting rod 82 is driven to move inwards to reset, the limiting rod 82 blocks the top of the blackboard eraser, the blackboard eraser is prevented from falling to the ground when vibrating, when the teacher needs to take out the blackboard eraser, the limiting rod 82 is firstly shifted towards the outer side, the third spring 83 is compressed, the limiting rod 82 does not block the top of the blackboard eraser any more, then the blackboard eraser can be taken out, the limiting rod 82 is finally loosened, the third spring 83 is restored to the original state, and the limiting rod 82 is driven to move inwards to reset.

Referring to fig. 1, 7 and 8, the chalk box comprises a storage mechanism 9, the storage mechanism 9 comprises a storage frame 91, a cover plate 92, a handle 93, partition plates 94, positioning rods 95 and fourth springs 96, the storage frame 91 is welded to the upper portion of the front side of the support plate 2, the cover plate 92 is rotatably arranged on the lower portion of the front side of the storage frame 91, a teacher can put box-packed chalks into the storage frame 91, the cover plate 92 can cover the storage frame 91 to achieve the purpose of dust prevention, the handle 93 is arranged in the middle of the front side of the cover plate 92, the two partition plates 94 are arranged on the inner side of the storage frame 91 at intervals, the positioning rods 95 are symmetrically arranged on the left and right side of the front side of the upper portion of the storage frame 91 in a sliding mode, the cover plate 92 is clamped by the positioning rods 95, the fourth springs 96 are wound on the outer sides of the positioning rods 95, and two ends of the fourth springs 96 are respectively connected with the storage frame 91 and the positioning rods 95.

When a teacher needs to use the platform 4, the handle 93 can be pulled forwards to drive the cover plate 92 to rotate forwards to be opened, the cover plate 92 can extrude the positioning rod 95 to move outwards, the fourth spring 96 is stretched, when the cover plate 92 is separated from the positioning rod 95, the fourth spring 96 is restored to the original state to drive the positioning rod 95 to move inwards to reset, then boxed chalks and tools can be placed at the top of the separation plate 94 respectively, the handle 93 is pushed backwards to reset to drive the cover plate 92 to rotate backwards to close, when the cover plate 92 is in contact with the positioning rod 95, the positioning rod 95 can be extruded to move outwards, the fourth spring 96 is stretched, when the cover plate 92 is completely reset, the fourth spring 96 is restored to the original state to drive the positioning rod 95 to move inwards to reset, so that the positioning rod 95 clamps the cover plate 92, the operations are repeated, and the chalks and the tools can be taken out for use.

Referring to fig. 1 and 9, the water cup support device further comprises a stabilizing mechanism 11, the stabilizing mechanism 11 comprises a stabilizing frame 111, stabilizing rods 112, sleeves 113, a support frame 114, guide rods 115 and a fifth spring 116, the stabilizing frame 111 is symmetrically arranged on the left and right sides of the upper portion of the front side of the support plate 2, the stabilizing rods 112 are welded between the tops of the stabilizing frame 111, three sleeves 113 are arranged on the left and right sides of the bottom of the stabilizing rods 112 at intervals, the guide rods 115 are arranged in the sleeves 113 in a sliding mode, the support frame 114 is welded between the lower portions of the three guide rods 115 on the same side, a teacher can place a water cup on the support frame 114, the support frame 114 moves downwards to be in contact with the support frame 72, the fifth spring 116 is wound on the guide rods 115, and two ends of the fifth spring 116 are respectively connected with the sleeves 113 and the support frame 114.

When a teacher needs to place a water cup, the bottom of the water cup can be placed on the support frame 114, then the water cup is pushed downwards, the support frame 114 is extruded to move downwards to drive the guide rod 115 to move downwards, the fifth spring 116 is stretched, when the support frame 114 is in contact with the support frame 72, the support frame 72 is extruded to move downwards, then the water cup is placed in a right position, then the water cup is loosened, the fifth spring 116 is restored to the original state to drive the guide rod 115 and the support frame 114 to move upwards to reset, the support frame 114 drives the water cup to move upwards, the sleeve 113 can block the upper portion of the water cup to prevent the water cup from falling to the ground, meanwhile, the support frame 114 is separated from the support frame 72, the support frame 72 can move upwards to reset, the blackboard eraser is automatically driven to shake, chalk dust is shaken off, when the teacher needs to take out the water cup, the water cup is pulled downwards to extrude the support frame 114 to move downwards to drive the guide rod 115 to move downwards, and the fifth spring 116 is stretched, when holding in the palm frame 114 and the contact of support frame 72, can extrude support frame 72 downstream, then take out the drinking cup, fifth spring 116 reconversion this moment drives guide bar 115 and holds in the palm frame 114 and move upward and reset, and support frame 72 can move upward and reset for the chalk dust can drop to in the collecting box 65, is convenient for carry out centralized processing to the chalk dust, provides convenient for the teacher.

Referring to fig. 1 and 10, the test platform further comprises a clamping mechanism 12, the clamping mechanism 12 comprises a second slide bar 121, a sliding block 122, a sixth spring 123 and a buckle 124, the second slide bar 121 is welded on the left side and the right side of the platform 4, the sliding blocks 122 are arranged on the front side and the rear side of the second slide bar 121 in a sliding mode, the buckle 124 is arranged on the outer side of the sliding block 122 in a sliding mode, after a teacher places test papers on the top of the platform 4, the buckle 124 moves downwards to clamp the test papers, and the sixth spring 123 is arranged between the buckle 124 and the adjacent sliding block 122.

When the teacher need use this podium 4, can the back-and-forth movement slider 122, drive buckle 124 back-and-forth movement, thereby the position of adjustment buckle 124, then upwards stimulate buckle 124, sixth spring 123 is tensile, put podium 4 top with the paper again, then loosen buckle 124, sixth spring 123 reconversion, drive buckle 124 and move down and reset, make buckle 124 press from both sides tight paper, avoid the paper to be blown away by the wind, make things convenient for teacher's teaching, teaching is accomplished the back, repeat above-mentioned operation, can take out the paper.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a teaching is with podium of being convenient for dismouting, including bottom plate (1), backup pad (2), bracing piece (3), podium (4) and place pipe (5), the top front side sliding type of bottom plate (1) is equipped with backup pad (2), the top rear side bilateral symmetry slidingtype of bottom plate (1) is equipped with bracing piece (3), slidingtype is equipped with podium (4) that are used for supplementary teaching between the top of bracing piece (3) and backup pad (2), the rear portion of podium (4) is equipped with places pipe (5) that are used for putting the pen, a serial communication port, still including placing mechanism (6) and supporting mechanism (7), be equipped with placing mechanism (6) that are used for placing the blackboard eraser between backup pad (2) and bracing piece (3), be equipped with supporting mechanism (7) that are used for shaking the blackboard eraser on placing mechanism (6).

2. The platform for teaching purpose convenient to disassemble and assemble according to claim 1, wherein the placing mechanism (6) comprises a vertical plate (61), a top plate (62) and a rotating shaft (63), place board (64), collecting box (65), first torsional spring (66) and lid (67), the inboard upper portion of bracing piece (3) all is equipped with riser (61), riser (61) inboard all is connected with backup pad (2), riser (61) top all is equipped with roof (62), riser (61) lower part all is equipped with pivot (63), equal rotary type is equipped with places board (64) in pivot (63), it all slidingtype is equipped with collecting box (65) to place board (64) front side, pivot (63) outside all around first torsional spring (66), the both ends of first torsional spring (66) are connected with pivot (63) and place board (64) respectively, the equal screw thread formula in outside middle part of collecting box (65) is equipped with lid (67).

3. The platform convenient for disassembly and assembly for teaching as claimed in claim 2, wherein the supporting mechanism (7) comprises sliding sleeves (71), supporting frames (72), first springs (73), first sliding rods (74), push rods (75), a supporting plate (76), second springs (77), hinged plates (78), supporting pads (79) and second torsion springs (711), the sliding sleeves (71) are symmetrically arranged on the lower portion of the front side of the vertical plate (61) in the left-right direction, the supporting frames (72) are slidably arranged between the two sliding sleeves (71) on the same side, the supporting frames (72) are in contact with the adjacent placing plates (64), the first springs (73) are wound on the left side and the right side of the upper portion of each supporting frame (72), two ends of each first spring (73) are respectively connected with the sliding sleeves (71) and the supporting frames (72), the first sliding rods (74) are arranged in the middle of the lower portion of the vertical plate (61), the push rods (75) are arranged in the middle of the upper portion of each supporting frame (72), ejector pin (75) all with adjacent first slide bar (74) sliding connection, ejector pin (75) rear side all is equipped with layer board (76), first slide bar (74) lower part is all around having second spring (77), the both ends of second spring (77) are connected with riser (61) and ejector pin (75) respectively, the rear side lower part of riser (61) all is equipped with articulated slab (78), articulated slab (78) the equal rotary type in outside is equipped with holds in the palm pad (79), hold in the palm pad (79) top all with adjacent place board (64) bottom contact, layer board (76) top all with adjacent support pad (79) bottom contact, it all is equipped with second torsional spring (711) between pad (79) and adjacent articulated slab (78) to hold in the palm.

4. The podium convenient to disassemble and assemble for teaching according to claim 3, further comprising a limiting mechanism (8) used for fixing the blackboard eraser, wherein the limiting mechanism (8) comprises a limiting frame (81), a limiting rod (82) and a third spring (83), the limiting frame (81) is arranged on the front side and the rear side of the outer side of the placing plate (64), the limiting rod (82) is arranged on the upper portion of the limiting frame (81) in a sliding mode, the third spring (83) is wound on the limiting rod (82), and two ends of the third spring (83) are connected with the limiting frame (81) and the limiting rod (82) respectively.

5. The platform for teaching convenient to disassemble and assemble according to claim 4, further comprising a containing mechanism (9) for placing boxed chalk and teaching tools, wherein the containing mechanism (9) comprises a containing frame (91), a cover plate (92), partition plates (94), positioning rods (95) and fourth springs (96), the containing frame (91) is arranged on the upper portion of the front side of the supporting plate (2), the cover plate (92) is rotatably arranged on the lower portion of the front side of the containing frame (91), the two partition plates (94) are arranged on the inner side of the containing frame (91) at intervals, the positioning rods (95) are symmetrically arranged on the left side and the right side of the front side of the upper portion of the containing frame (91) in a sliding mode, the cover plate (92) is clamped by the positioning rods (95), the fourth springs (96) are wound on the outer side of the positioning rods (95), and two ends of the fourth springs (96) are respectively connected with the containing frame (91) and the positioning rods (95).

6. The platform for teaching purpose convenient to disassemble and assemble according to claim 5, wherein the containing mechanism (9) further comprises a handle (93), and the middle part of the front side of the cover plate (92) is provided with the handle (93).

7. The platform for teaching purpose convenient to disassemble and assemble according to claim 6, further comprising a stabilizing mechanism (11) for placing a water cup, wherein the stabilizing mechanism (11) comprises a stabilizing frame (111), a stabilizing rod (112) and a sleeve (113), support frame (114), guide bar (115) and fifth spring (116), the front side upper portion bilateral symmetry of backup pad (2) is equipped with steadying frame (111), be equipped with stabilizer bar (112) between the top of steadying frame (111), the equal interval in left and right sides of stabilizer bar (112) bottom is equipped with three sleeve (113), all slidingtype is equipped with guide bar (115) in sleeve (113), all be equipped with between three guide bar (115) lower parts of homonymy and hold in the palm frame (114), it can contact with support frame (72) to hold in the palm down motion of frame (114), all around fifth spring (116) on guide bar (115), the both ends of fifth spring (116) are connected with sleeve (113) and support frame (114) respectively.

8. The platform for teaching convenient to disassemble and assemble according to claim 7, further comprising a clamping mechanism (12) for clamping test paper, wherein the clamping mechanism (12) comprises a second slide bar (121), a sliding block (122), a sixth spring (123) and a buckle (124), the second slide bar (121) is arranged on each of the left side and the right side of the platform (4), the sliding blocks (122) are arranged on each of the front side and the rear side of the second slide bar (121), the buckle (124) is arranged on each of the outer sides of the sliding blocks (122), and the sixth spring (123) is arranged between the buckle (124) and the adjacent sliding block (122).