CN114431605A

CN114431605A - Extensible table intelligent platform

Info

Publication number: CN114431605A
Application number: CN202210032751.6A
Authority: CN
Inventors: 刘受福
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-05-06

Abstract

The invention relates to an intelligent platform, in particular to an extensible-table-board intelligent platform. The invention aims to provide an extensible-table-board intelligent platform convenient for placing articles. The invention provides an extensible-table-board intelligent platform which comprises a support frame, a first protection plate, a first support plate, a connecting frame, a first rotating shaft, a touch screen, a first limiting block and the like. When the lifting block moves upwards, the lifting block can release the pull rope, so that the placing plate can rotate and unfold, and further, people can place articles on the placing plate, and the articles can be conveniently placed by people.

Description

Extensible table intelligent platform

Technical Field

The invention relates to an intelligent platform, in particular to an extensible-table-board intelligent platform.

Background

At present, along with intelligent degree's development, the use of wisdom podium is more and more extensive, is in the teaching to the student in many places now, all can use the wisdom podium, because the most simple structure of current wisdom podium, electronic facilities such as these display screens are fixed on the podium usually, lead to unable according to different use needs such as people's height, use custom, use occasion and carry out angle modulation.

Patent application CN213820310U, the grant announcement date is 20210730, disclose an wisdom podium, the on-line screen storage device comprises a base, a machine case, the chamber door, go up the shell plate, the backplate, the pulley, go up the casing, machine roof and last shell plate bottom plate, the upper end at the base is installed to the machine case, a plurality of pulleys are installed to base bottom symmetry, the chamber door is installed to the front end openable of machine case, the top of machine case is installed with the machine roof plate on the top of machine case, it installs the top at the machine roof plate to go up the casing, the top at last casing plate bottom plate is fixed on the top of last casing, it closes the upper end of installing at last shell plate bottom plate to go up the shell plate's rear end, it has display screen rotating assembly to go up shell plate mid-mounting, display screen rotating assembly includes the display screen, the display screen can be rotatory round its front end. The display screen rotating assembly further comprises an electric push rod, a lower hinge seat, an upper hinge seat, a display screen supporting plate and a supporting plate hinge seat. The invention enables a user to conveniently adjust the inclination angle and the position of the display screen according to the requirement, and the platform is convenient to use and humanized. Although the above patent can make things convenient for people to use, because the place that can place article is less, lead to people when carrying article such as books, teaching equipment, be difficult to place these article.

Therefore, aiming at the defects, the extensible table-board intelligent platform convenient for placing articles is provided.

Disclosure of Invention

In order to overcome the defect that articles are difficult to place when most of the existing extensible-table-board intelligent rostrum is used by people, the invention provides the extensible-table-board intelligent rostrum which is convenient for placing the articles.

The invention is realized by the following technical approaches:

the utility model provides an extend mesa wisdom podium, which comprises a supporting fram, first guard plate, first backup pad, the link, first pivot, the touch-control screen, first stopper, the second stopper, elevating system and expansion mechanism, the support frame top outside is equipped with first guard plate, first backup pad has been placed to support frame top inboard, first backup pad top left and right sides all is equipped with the link, the rotary type is equipped with first pivot between the link upside middle part, first pivot middle part is equipped with the touch-control screen, touch-control screen bottom front side is equipped with first stopper, touch-control screen bottom rear side is equipped with and is used for carrying out spacing second stopper, the inside elevating system that is used for the touch-control screen to go up and down that is equipped with of support frame, support frame upper portion is equipped with the expansion mechanism that is used for placing object article.

Further, elevating system is including servo motor, the screw rod, a supporting seat, the guide bar, elevator and connecting block, bottom rear side left part is equipped with servo motor in the support frame, be equipped with the screw rod on servo motor's the output shaft, the left and right sides on the inside rear side upper portion of support frame all is equipped with the supporting seat, left supporting seat is connected with the screw rod rotary type, bottom rear side right part is equipped with the guide bar in the support frame, the supporting seat on right side is connected with the guide bar, guide bar downside slidingtype is equipped with the elevator, the elevator is connected with screw rod thread formula, guide bar upside slidingtype is equipped with the connecting block, the connecting block is connected with screw rod thread formula, the connecting block top is connected with first supporting plate.

Further, the unfolding mechanism is including the fixing base, the bull stick, place the board, first torsion spring, reel and stay cord, the equal front and back symmetry of support frame upper portion left and right sides is equipped with the fixing base, equal rotary type is equipped with the bull stick between two fixing base lower parts of vertical homonymy, all be equipped with on the bull stick and place the board, it all is equipped with first torsion spring to place between the fixing base of the upper portion of both sides and homonymy around the board, first torsion spring all winds on the bull stick of homonymy, the bull stick rear side all is equipped with the reel, all around there being the stay cord on the reel, the other end of stay cord all passes the connecting block and is connected with the elevator.

Further, still including being used for hiding the dustproof mechanism of touch-control screen, dustproof mechanism all is equipped with the connecting plate including connecting plate, second pivot and protective cover in the middle part of the first guard plate left and right sides, and the rotary type is equipped with the second pivot between the inboard upper portion of connecting plate, is equipped with the protective cover in the second pivot, and the protective cover blocks the top of first guard plate.

Further, the protection cover turning device comprises a turning mechanism used for automatically turning the protection cover, the turning mechanism comprises a first straight gear, a second torsion spring, a clamping rod, a third limiting block, a reset spring, a second straight gear, a guide block and a rack rod, the first straight gear is arranged on the front side and the rear side of a second rotating shaft, the second torsion spring is arranged between the outer side of the first straight gear and a connecting plate on the same side, the second torsion spring is wound on the second rotating shaft, the third limiting block is arranged in the middle of the rear side of the left side and the right side of a first protection plate, the clamping rod is arranged on the rear portion of the inner side of the third limiting block in a sliding mode, the upper portion of the rear side of the clamping rod is contacted with the first straight gear on the same side, three reset springs are arranged between the front side of the clamping rod and the third limiting block on the same side, the rear side of the rotating rod is provided with the second straight gear, the second straight gear is positioned on the rear side of the reel, the rear side of the lower portion of the left side and the right side of the first protection plate is provided with the guide block, the inboard equal slidingtype of guide block is equipped with the rack bar, and the rack bar all meshes with the second straight-toothed gear of homonymy, can contact with the kelly of homonymy when the rack bar rebound.

Further, still including being used for carrying out the protection mechanism who protects depositing article, protection mechanism is equipped with the gag lever post including second guard plate and gag lever post, support frame upper portion front side, and the gag lever post left and right sides all slidingtype is equipped with the second guard plate, and the second guard plate all blocks the front side of support frame.

Further, still including being used for the moving mechanism who conveniently removes, moving mechanism is equipped with the second backup pad including second backup pad and universal wheel bottom the support frame, and the equal front-back symmetry in second backup pad bottom left and right sides is equipped with the universal wheel.

Furthermore, the inner sides of the middle parts of the front sides of the second protection plates are all provided with grooves.

The invention provides an extensible-table intelligent platform, which has the advantages that:

1. according to the invention, the servo motor is started, so that the connecting block can move upwards to drive the touch screen to move upwards, and further the height of the touch screen is adjusted, so that people with different heights can use the touch screen conveniently, and the operation is convenient.

2. When the lifting block moves upwards, the lifting block can release the pull rope, so that the placing plate rotates and expands, and further, people can place articles on the placing plate, and the articles can be conveniently placed by people.

3. According to the invention, under the action of the protective cover, the protective cover can cover the touch screen, so that dust is prevented from falling onto the touch screen.

4. Under the action of the universal wheels, people can conveniently move the extensible-table-board intelligent platform, and physical strength of people is saved.

Drawings

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

Fig. 2 is a first partial cross-sectional view of the present invention.

Fig. 3 is a partial perspective view of the present invention.

Fig. 4 is a second partial cross-sectional view of the present invention.

Fig. 5 is a schematic view of a first partially separated body structure of the lifting mechanism of the present invention.

Fig. 6 is a schematic diagram of a second partial structure of the lifting mechanism of the present invention.

FIG. 7 is a schematic view of a first partial body configuration of the deployment mechanism of the present invention.

FIG. 8 is a schematic view of a second partial body configuration of the deployment mechanism of the present invention.

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

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

Fig. 11 is an enlarged view of a portion a of the present invention.

Fig. 12 is a partial cross-sectional view of a canting mechanism of the present invention.

Fig. 13 is a schematic view of a first partial body structure of the protection mechanism of the present invention.

FIG. 14 is a schematic view of a second partial body structure of the shielding mechanism of the present invention.

Fig. 15 is a schematic perspective view of the moving mechanism of the present invention.

Reference numerals: 1_ support bracket, 2_ first protection plate, 3_ first support plate, 4_ connection bracket, 5_ first rotating shaft, 6_ touch screen, 7_ first limit block, 8_ second limit block, 9_ lifting mechanism, 90_ servo motor, 91_ screw rod, 92_ support seat, 93_ guide rod, 94_ lifting block, 95_ connection block, 10_ unfolding mechanism, 100_ fixing seat, 101_ rotating rod, 102_ placing plate, 103_ first torsion spring, 104_ reel, 105_ pull rope, 11_ dustproof mechanism, 110_ connection plate, 111_ second rotating shaft, 112_ protection cover, 12_ turnover mechanism, 120_ first straight gear, 121_ second torsion spring, 122_ clamping rod, 123_ third limit block, 124_ return spring, 126_ second straight gear, 127_ guide block, 128_ rack rod, 13_ protection mechanism, 130_ second protection plate, 131_ limit rod, 14_ moving mechanism, 140_ second support plate, 141_ universal wheel.

Detailed Description

The invention is further explained by combining the drawings in the specification, and the embodiments of the invention are given by combining the drawings in the specification.

Example 1

An extensible table intelligent platform comprises a support frame 1, a first protection plate 2, a first support plate 3, a connecting frame 4, a first rotating shaft 5, a touch screen 6, a first limit block 7, a second limit block 8, a lifting mechanism 9 and an unfolding mechanism 10, and referring to fig. 1-8, the first protection plate 2 is welded on the outer side of the top of the support frame 1, the first support plate 3 is placed on the inner side of the top of the support frame 1, the connecting frame 4 is arranged on the left side and the right side of the top of the first support plate 3, the first rotating shaft 5 is rotatably arranged between the middle parts of the upper sides of the connecting frames 4, the touch screen 6 is arranged in the middle part of the first rotating shaft 5, the first limit block 7 is arranged on the front side of the bottom of the touch screen 6, the second limit block 8 is arranged on the rear side of the bottom of the touch screen 6, when people adjust the orientation angle of the touch screen 6, the first limit block 7 and the second limit block 8 can limit the touch screen 6, the lifting mechanism 9 is arranged in the support frame 1, the upper part of the support frame 1 is provided with a spreading mechanism 10.

The lifting mechanism 9 comprises a servo motor 90, a screw 91, a support seat 92, a guide rod 93, a lifting block 94 and a connecting block 95, referring to fig. 5 and 6, the servo motor 90 is bolted on the left part of the rear side in the support frame 1, the screw 91 is arranged on the output shaft of the servo motor 90, the support seats 92 are welded on the left and right sides of the upper part of the rear side in the support frame 1, the support seat 92 on the left side is rotatably connected with the screw 91, the guide rod 93 is arranged on the right part of the rear side in the support frame 1, the support seat 92 on the right side is connected with the guide rod 93, the lifting block 94 is slidably arranged on the lower side of the guide rod 93, the lifting block 94 is in threaded connection with the screw 91, the connecting block 95 is slidably arranged on the upper side of the guide rod 93, when the connecting block 95 moves up and down, can make touch-sensitive screen 6 reciprocate, connecting block 95 is connected with screw 91 screw thread formula, and connecting block 95 top is connected with first backup pad 3.

The unfolding mechanism 10 comprises fixing seats 100, rotating rods 101, placing plates 102, first torsion springs 103, reels 104 and pull ropes 105, referring to fig. 7 and 8, the fixing seats 100 are symmetrically welded to the left and right sides of the upper portion of the support frame 1 in a front-back mode, the rotating rods 101 are rotatably arranged between the lower portions of the two fixing seats 100 on the same longitudinal side, the placing plates 102 are arranged on the rotating rods 101, after the placing plates 102 are unfolded, people can place objects on the placing plates 102, the first torsion springs 103 are arranged between the upper portions of the front and back sides of the placing plates 102 and the fixing seats 100 on the same side, the first torsion springs 103 are wound on the rotating rods 101 on the same side, the reels 104 are arranged on the rear sides of the rotating rods 101, the pull ropes 105 are wound on the reels 104, and the other ends of the pull ropes 105 penetrate through connecting blocks 95 to be connected with the lifting blocks 94.

In an initial state, the first torsion spring 103 is in a deformation state, when people need to use the extensible table top intelligent platform, the servo motor 90 is firstly opened, the output shaft of the servo motor 90 rotates forwards to drive the screw rod 91 to rotate forwards, the lifting block 94 and the connecting block 95 move upwards to enable the lifting block 94 to loosen the pull rope 105, at the moment, the first torsion spring 103 restores to the original state, the first torsion spring 103 drives the placing plate 102 to rotate and unfold to drive the rotating rod 101 and the reel 104 to rotate, meanwhile, the connecting block 95 drives the first supporting plate 3, the connecting frame 4, the first rotating shaft 5, the touch screen 6, the first limiting block 7 and the second limiting block 8 to move upwards to adjust the height of the touch screen 6, after the adjustment is finished, the servo motor 90 is closed, then the orientation angle of the touch screen 6 can be adjusted by rotating the touch screen 6, and during the period, the first limiting block 7 and the second limiting block 8 limit the rotation angle of the touch screen 6, after the adjustment is completed, the touch screen 6 is loosened, then people can use the extensible table intelligent platform to give lectures to students, during which people can place objects on the placing plate 102, when people no longer need to use the extensible table intelligent platform, the objects are taken away from the placing plate 102, then the touch screen 6 is reset by reversing, the servo motor 90 is started, the output shaft of the servo motor 90 is reversed, the screw 91 is driven to reverse, the lifting block 94 and the connecting block 95 are moved downwards and reset, the connecting block 95 drives the first supporting plate 3, the connecting frame 4, the first rotating shaft 5, the touch screen 6, the first limiting block 7 and the second limiting block 8 to move downwards and reset, meanwhile, the lifting block 94 tightens the pull rope 105, the pull rope 105 drives the reel 104 to reverse and reset, the rotating rod 101 is driven to reverse and reset, the placing plate 102 is reversed and folded, the first torsion spring 103 is deformed, and then the servo motor 90 is turned off.

Example 2

On the basis of embodiment 1, still include dustproof mechanism 11, dustproof mechanism 11 includes connecting plate 110, second pivot 111 and protective cover 112, refer to fig. 2 and fig. 9 and show, connecting plate 110 has all been welded at the middle part of the first protection plate 2 left and right sides, the rotation type is equipped with second pivot 111 between the inboard upper portion of connecting plate 110, be equipped with protective cover 112 on second pivot 111, protective cover 112 can cover touch-control screen 6 to prevent that the dust from dropping on touch-control screen 6, protective cover 112 blocks the top of first protection plate 2.

The turnover mechanism 12 further comprises a turnover mechanism 12, the turnover mechanism 12 comprises a first straight gear 120, a second torsion spring 121, a clamping rod 122, a third limit block 123, a reset spring 124, a second straight gear 126, a guide block 127 and a rack bar 128, as shown in fig. 1, 10, 11 and 12, the first straight gear 120 is arranged on the front side and the rear side of the second rotating shaft 111, the protective cover 112 can automatically rotate through the rotation of the first straight gear 120, the second torsion spring 121 is arranged between the outer side of the first straight gear 120 and the connecting plate 110 on the same side, the second torsion spring 121 is wound on the second rotating shaft 111, the third limit block 123 is welded on the middle part of the rear side of the left side and the right side of the first protective plate 2, the clamping rod 122 is arranged on the rear part of the inner side of the third limit block 123 in a sliding manner, the upper part of the rear side of the clamping rod 122 is contacted with the first straight gear 120 on the same side, three reset springs 124 are arranged between the front side of the clamping rod 122 and the third limit block 123 on the same side, the front side of the lower portion of the clamping rod 122 is provided with a semicircular block, the rear side of the rotating rod 101 is provided with a second straight gear 126, the second straight gear 126 is located on the rear side of the reel 104, the rear sides of the lower portions of the left side and the right side of the first protection plate 2 are welded with guide blocks 127, rack rods 128 are arranged on the inner sides of the guide blocks 127 in a sliding mode, the rack rods 128 are meshed with the second straight gears 126 on the same side, the upper side of each rack rod 128 is provided with a semicircular block, and the rack rods 128 can be in contact fit with the clamping rods 122 on the same side when moving upwards.

In an initial state, when the second torsion spring 121 is in a deformed state, when the rotating rod 101 rotates, the rotating rod 101 drives the second spur gear 126 to rotate, so that the second spur gear 126 drives the rack bar 128 to move upwards, when the rack bar 128 contacts with the clamping bar 122, the rack bar 128 extrudes the clamping bar 122 to move forwards, the return spring 124 is compressed, when the clamping bar 122 is separated from the first spur gear 120, the clamping bar 122 releases the first spur gear 120, at this time, the second torsion spring 121 recovers to the original state, the second torsion spring 121 drives the first spur gear 120 to rotate, so as to drive the second rotating shaft 111 and the protective cover 112 to rotate, so that the protective cover 112 no longer blocks the top of the first protective plate 2, when people no longer need to use the table top, the protective cover 112 is pulled to rotate backwards and reset, so that the protective cover 112 blocks the top of the first protective plate 2 again, so that the protective cover 112 blocks the touch screen 6, when the rotating rod 101 rotates backwards and resets, the rotating rod 101 drives the second straight gear 126 to reversely rotate and reset, so that the second straight gear 126 drives the rack rod 128 to move downwards and reset, when the rack rod 128 is separated from the clamping rod 122, the reset spring 124 recovers, the reset spring 124 drives the clamping rod 122 to move backwards and reset, when the clamping rod 122 contacts with the first straight gear 120, the clamping rod 122 clamps the first straight gear 120 again, and then the protective cover 112 is loosened, so that people can shield the touch screen 6 conveniently.

Still including protection machanism 13, protection machanism 13 is including second guard plate 130 and gag lever post 131, refer to fig. 1, fig. 13 and fig. 14 and show, gag lever post 131 has been welded to support frame 1 upper portion front side, the gag lever post 131 both sides all is equipped with second guard plate 130 of slidingtype about the gag lever post 131, after putting into support frame 1 with article, remove through pulling second guard plate 130 and reset, can make second guard plate 130 protect article, second guard plate 130 all blocks the front side of support frame 1, second guard plate 130 front side middle part inboard all opens flutedly.

When people need deposit article, can remove to the outside through recess pulling second guard plate 130, make second guard plate 130 no longer block the front side of support frame 1, then put into support frame 1 with article, rethread recess pulling second guard plate 130 moves to the inside side and resets, make second guard plate 130 block the front side of support frame 1 again, thereby make second guard plate 130 protect the article in the support frame 1, when people need take out the article of depositing in the support frame 1, repeat above-mentioned operation can, thereby make things convenient for people to deposit article.

Still including moving mechanism 14, moving mechanism 14 is shown including second backup pad 140 and universal wheel 141, refer to fig. 2 and fig. 15, and the welding of support frame 1 bottom has second backup pad 140, and the equal front-back symmetry in both sides is equipped with universal wheel 141 in the bottom of second backup pad 140, under the effect of universal wheel 141, can make things convenient for people to remove this extensible mesa wisdom podium.

When people need to move the extensible table intelligent platform, the support frame 1 can be pushed to move, under the action of the universal wheels 141, the extensible table intelligent platform is driven to move to a specified position, and then the support frame 1 is loosened.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. An extensible table intelligent platform comprises a support frame (1), a first protection plate (2), a first support plate (3), a connecting frame (4), a first rotating shaft (5), a touch screen (6), a first limiting block (7) and a second limiting block (8), wherein the first protection plate (2) is arranged on the outer side of the top of the support frame (1), the first support plate (3) is placed on the inner side of the top of the support frame (1), the connecting frame (4) is arranged on the left side and the right side of the top of the first support plate (3), the first rotating shaft (5) is rotatably arranged between the middle parts of the upper sides of the connecting frame (4), the touch screen (6) is arranged in the middle part of the first rotating shaft (5), the first limiting block (7) is arranged on the front side of the bottom of the touch screen (6), the second limiting block (8) for limiting is arranged on the rear side of the bottom of the touch screen (6), and is characterized by further comprising a lifting mechanism (9) and an unfolding mechanism (10), the lifting mechanism (9) used for lifting the touch screen (6) is arranged in the support frame (1), and the unfolding mechanism (10) used for placing articles is arranged on the upper portion of the support frame (1).

2. The smart platform with extendable platform according to claim 1, wherein the lifting mechanism (9) comprises a servo motor (90), a screw (91), a support (92), a guide rod (93), a lifting block (94) and a connecting block (95), the servo motor (90) is arranged at the left part of the rear side of the inner bottom of the support frame (1), the screw (91) is arranged on the output shaft of the servo motor (90), the support (92) is arranged at the left side and the right side of the upper part of the rear side of the inner part of the support frame (1), the support (92) at the left side is rotatably connected with the screw (91), the guide rod (93) is arranged at the right part of the rear side of the inner bottom of the support frame (1), the support (92) at the right side is connected with the guide rod (93), the lifting block (94) is slidably arranged at the lower side of the guide rod (93), the lifting block (94) is threadedly connected with the screw (91), the connecting block (95) is slidably arranged at the upper side of the guide rod (93), the connecting block (95) is in threaded connection with the screw (91), and the top of the connecting block (95) is connected with the first supporting plate (3).

3. The smart podium with extendable table top as claimed in claim 2, wherein the unfolding mechanism (10) comprises a fixed base (100), a rotating rod (101), and a placing plate (102), first torsion spring (103), reel (104) and stay cord (105), the equal front and back symmetry in support frame (1) upper portion left and right sides is equipped with fixing base (100), equal rotary type is equipped with bull stick (101) between two fixing base (100) lower parts of vertical homonymy, it places board (102) all to be equipped with on bull stick (101), it all is equipped with first torsion spring (103) to place between the upper portion of board (102) front and back both sides and fixing base (100) of homonymy, first torsion spring (103) all wind on bull stick (101) of homonymy, bull stick (101) rear side all is equipped with reel (104), all around stay cord (105) on reel (104), the other end of stay cord (105) all passes connecting block (95) and is connected with lifter block (94).

4. The extensible intelligent platform according to claim 3, further comprising a dustproof mechanism (11) for shielding the touch screen (6), wherein the dustproof mechanism (11) comprises a connecting plate (110), a second rotating shaft (111) and a protective cover (112), the connecting plate (110) is arranged in the middle of each of the left side and the right side of the first protective plate (2), the second rotating shaft (111) is rotatably arranged between the upper portions of the inner sides of the connecting plates (110), the protective cover (112) is arranged on the second rotating shaft (111), and the protective cover (112) shields the top of the first protective plate (2).

5. The smart podium with extensible table top as claimed in claim 4, further comprising a turnover mechanism (12) for automatically rotating the protective cover (112), wherein the turnover mechanism (12) comprises a first straight gear (120), a second torsion spring (121), a clamping rod (122), a third limiting block (123), a return spring (124), a second straight gear (126), a guide block (127) and a rack rod (128), the front and rear sides of the second rotating shaft (111) are respectively provided with the first straight gear (120), the second torsion spring (121) is respectively arranged between the outer side of the first straight gear (120) and the connecting plate (110) at the same side, the second torsion spring (121) is respectively wound on the second rotating shaft (111), the middle parts of the rear sides of the left and right sides of the first protective plate (2) are respectively provided with the third limiting block (123), the rear parts of the inner sides of the third limiting block (123) are respectively provided with the clamping rod (122) in a sliding manner, the upper portion of the rear side of the clamping rod (122) is in contact with the first straight gear (120) on the same side, three reset springs (124) are arranged between the front side of the clamping rod (122) and the third limiting block (123) on the same side, the rear side of the rotating rod (101) is provided with the second straight gear (126), the second straight gear (126) is located on the rear side of the reel (104), the rear sides of the lower portions of the left side and the right side of the first protection plate (2) are provided with guide blocks (127), rack rods (128) are arranged on the inner sides of the guide blocks (127) in a sliding mode, the rack rods (128) are meshed with the second straight gears (126) on the same side, and the rack rods (128) can be in contact with the clamping rod (122) on the same side when moving upwards.

6. The smart platform with extensible table top according to claim 5, further comprising a protection mechanism (13) for protecting stored articles, wherein the protection mechanism (13) comprises a second protection plate (130) and a limiting rod (131), the limiting rod (131) is arranged on the front side of the upper portion of the support frame (1), the second protection plate (130) is arranged on the left side and the right side of the limiting rod (131) in a sliding mode, and the front side of the support frame (1) is blocked by the second protection plate (130).

7. The extensible-table-board intelligent platform according to claim 6, further comprising a moving mechanism (14) for facilitating moving, wherein the moving mechanism (14) comprises a second supporting plate (140) and universal wheels (141), the second supporting plate (140) is arranged at the bottom of the supporting frame (1), and the universal wheels (141) are symmetrically arranged on the left side and the right side of the bottom of the second supporting plate (140) in a front-back manner.

8. The smart podium with extendable table top as claimed in claim 6, wherein the second protection plate (130) has a groove on the inner side of the front middle portion.