CN216527665U

CN216527665U - Teaching experiment table for STEM education

Info

Publication number: CN216527665U
Application number: CN202122921092.5U
Authority: CN
Inventors: 温盛伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-05-13
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses a teaching experiment table for STEM education, which comprises a movable damping mechanism, a placing damping mechanism, an experiment adjusting mechanism and a placing adjusting mechanism, wherein the movable damping mechanism comprises a bottom plate and a fifth spring, the bottom plate is fixedly connected with a connecting groove, the connecting groove is fixedly connected with a fourth telescopic rod, the fourth telescopic rod is fixedly connected with a wheel, the fifth spring is fixedly connected with the connecting groove, and the fifth spring is fixedly connected with the wheel. Adjust through placing the interval between the board to two one numbers, be convenient for place the article of co-altitude, article are placed and are carried out the shock attenuation through No. three telescopic links and with No. four flexible deformations of spring to article in the standing groove, improve its stability of placing.

Description

Teaching experiment table for STEM education

Technical Field

The utility model relates to the field of teaching experiments, in particular to a teaching experiment table for STEM education.

Background

STEM is an acronym of english initials of four disciplines of science, technology, engineering and mathematics, wherein the science is used for recognizing the world and explaining the objective laws of the nature, and a laboratory bench is needed for experiments during scientific research.

The teaching experiment table of current STEM education when removing, often because the laboratory bench rocks and can lead to equipment and other article to damage, and current laboratory bench article place the position unstable, cause article to damage easily, and article place the position simultaneously and can not adjust, can't carry out reasonable accomodating to the article of co-altitude. Therefore, a teaching experiment table for STEM education is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The teaching experiment table of STEM education is provided in this embodiment for solve the teaching experiment table of the current STEM education among the prior art, when removing, often because the laboratory bench rocks and can lead to equipment and other article to damage, and current laboratory bench article place the position unstable, cause article to damage easily, article place the position simultaneously and can not adjust, can't carry out the problem of reasonable accomodating to the article of co-altitude.

According to one aspect of the utility model, the teaching experiment table for STEM education comprises a movable damping mechanism, a placing damping mechanism, an experiment adjusting mechanism and a placing adjusting mechanism, wherein the movable damping mechanism comprises a bottom plate and a fifth spring, the bottom plate is fixedly connected with a connecting groove, the connecting groove is fixedly connected with a fourth telescopic rod, the fourth telescopic rod is fixedly connected with a wheel, the fifth spring is fixedly connected with the connecting groove, and the fifth spring is fixedly connected with the wheel;

the placing damping mechanism comprises a second connecting plate, a first telescopic rod, a containing cabinet, a fixed groove, a first connecting plate, a second telescopic rod and a third spring, the second connecting plate is fixedly connected with the second spring, the second spring is fixedly connected with the bottom plate, the first telescopic rod is fixedly connected with the second connecting plate, the first telescopic rod is fixedly connected with the bottom plate, the containing cabinet is fixedly connected with the second connecting plate, the fixed groove is fixedly connected with the containing cabinet, the fixed groove is fixedly connected with the first spring, the first spring is fixedly connected with a connector, the connector is fixedly connected with a second placing plate, the first connecting plate is fixedly connected with the second connecting plate, the first connecting plate is fixedly connected with the second sliding groove, the second sliding groove is slidably connected with the second sliding block, the second sliding block is fixedly connected with the containing cabinet, and the second telescopic rod is fixedly connected with the second sliding groove, the second telescopic rod is fixedly connected with the second sliding block, the third spring is fixedly connected with the second sliding groove, and the third spring is fixedly connected with the second sliding block;

the experiment adjusting mechanism comprises a first operating platform and a second operating platform, the first operating platform is fixedly connected with the first connecting plate, the first operating platform is fixedly connected with the connecting outer pipe, the connecting outer pipe is slidably connected with the connecting inner pipe, the second operating platform is fixedly connected with the connecting inner pipe, and the second operating platform is fixedly connected with the anti-skid rubber pad;

placing adjustment mechanism includes the connecting rod, places board, standing groove, No. three telescopic links and No. four springs, connecting rod and operation panel fixed connection No. one, and connecting rod and spout fixed connection No. one, spout and slider sliding connection No. one, place board and slider fixed connection No. one, and place board and guard plate fixed connection No. one, standing groove and place board fixed connection No. one, No. three telescopic links and standing groove fixed connection, and No. three telescopic links and No. three connecting plate fixed connection, No. four springs and standing groove fixed connection, and No. four springs and No. three connecting plate fixed connection.

Further, the bottom plate bottom is provided with four spread grooves, four the spread groove is the rectangle and distributes on bottom plate bottom surface, wheel and spread groove sliding connection, the inside telescopic link No. four that is provided with of spread groove is a plurality of No. four telescopic link evenly distributed is inside the spread groove, and No. four telescopic links are located inside No. five springs.

Furthermore, No. two connecting plate surfaces are provided with a plurality of telescopic links, and are a plurality of telescopic link evenly distributed is on No. two connecting plate surfaces, and a telescopic link is located inside No. two springs.

Further, it is inside to be provided with a plurality of fixed slots, a plurality of to accomodate cabinet the fixed slot evenly distributed is on accomodating the cabinet surface, connector and fixed slot sliding connection, place the board and accomodate cabinet sliding connection No. two.

Further, a plurality of telescopic links No. two are arranged inside the second sliding groove, the telescopic links No. two are symmetrically distributed on two sides of the second sliding block, and the telescopic links No. two are located inside the third spring.

Furthermore, connect the outer tube surface and be provided with the bolt No. two, No. two bolts are pegged graft with connecting the outer tube, and No. two bolts are pegged graft with being connected the inner tube.

Furthermore, the surface of the inner connecting pipe is provided with a plurality of second limiting holes, the second limiting holes are evenly distributed on the surface of the inner connecting pipe, and the second bolts are located inside the second limiting holes and are connected with the inner connecting pipe in an inserting mode.

Furthermore, the surface of the connecting rod is provided with a first plug pin, the first plug pin is connected with the connecting rod in an inserting mode, and the first plug pin is connected with a first sliding groove and a first sliding block in an inserting mode respectively.

Furthermore, the connecting rod surface is provided with a plurality of spacing holes No. one, and is a plurality of spacing hole evenly distributed is on the connecting rod surface No. one, a spout surface is provided with a plurality of No. three spacing holes, and is a plurality of No. three spacing hole evenly distributed is on a spout surface, a spacing hole and No. three spacing hole coincide each other, a bolt is located a spacing hole and No. three spacing downthehole portions.

Furthermore, a plurality of three telescopic links are arranged inside the placing groove, the three telescopic links are evenly distributed on the surface of the placing groove, the three telescopic links are located inside the four springs, and the three connecting plates are connected with the placing groove in a sliding mode.

According to the embodiment of the utility model, the device can be moved stably by moving the damping mechanism, articles can be damped and protected by placing the damping mechanism, and the article placing position can be adjusted by placing the adjusting mechanism, so that different articles can be placed stably.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 2B according to an embodiment of the present invention;

fig. 5 is a schematic view of an internal structure of a first sliding chute according to an embodiment of the present invention.

In the figure: 1. a base plate; 2. connecting grooves; 3. a wheel; 4. a first connecting plate; 5. a second connecting plate; 6. an operation table I; 7. connecting an outer pipe; 8. connecting the inner pipes; 9. a second operating platform; 10. an anti-skid rubber pad; 11. a connecting rod; 12. a first chute; 13. a first sliding block; 14. a first bolt; 15. a first limiting hole; 16. a first placing plate; 17. a protection plate; 18. a placement groove; 19. a storage cabinet; 20. a second bolt; 21. a second limiting hole; 22. a fixing groove; 23. a first spring; 24. a connector; 25. a second placing plate; 26. a first telescopic rod; 27. a second spring; 28. a second chute; 29. a second sliding block; 30. a second telescopic rod; 31. a third spring; 32. a third connecting plate; 33. a third telescopic rod; 34. a fourth spring; 35. a fourth expansion link; 36. a fifth spring; 37. and a third limiting hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the utility model herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The movement damping mechanism in this embodiment can be applied to various laboratory bench devices, for example, the following teaching experiment table for STEM education is provided in this embodiment, and the movement damping mechanism in this embodiment can be used for damping movement for the laboratory bench.

A teaching experiment table for STEM education, comprising: the test bed comprises a test bed, wherein two circular grooves and two grooves are formed in the left rear part of the upper surface of the test bed, the circular grooves are located on the left side of the grooves, anti-skid pads are bonded on the peripheries of the inner walls of the circular grooves and the grooves, a first rubber sleeve is embedded in the circular grooves, a second rubber sleeve is embedded in the grooves, the first rubber sleeve and the second rubber sleeve are both cup-shaped, the outer wall of the first rubber sleeve is in contact with the anti-skid pads in the circular grooves, the outer wall of the second rubber sleeve is in contact with the anti-skid pads in the grooves, and the diameters of the circular grooves are larger than those of the grooves; specifically, the first rubber sleeve and the second rubber sleeve are respectively sleeved in the circular groove and the groove, so that the outer walls of the first rubber sleeve and the second rubber sleeve are respectively contacted with the anti-slip mat in the circular groove and the groove, the anti-slip mat effectively prevents the first rubber sleeve and the second rubber sleeve from moving in the circular groove and the groove respectively, at the moment, measuring cups with different sizes can be respectively placed in the first rubber sleeve and the second rubber sleeve for storage, the measuring cups are effectively prevented from being overturned due to shaking of the experiment table, the measuring cups can be protected, the first rubber sleeve and the second rubber sleeve can be taken out, a user can conveniently clean the first rubber sleeve and the second rubber sleeve, and the cleaning state of the first rubber sleeve and the second rubber sleeve is kept; a water tank is arranged in the middle of the upper surface of the experiment table close to the front, a water faucet is arranged in the middle of the upper surface of the experiment table close to the rear, the tail end of the water faucet is positioned right above the water tank, square plates are horizontally fixed on the left side and the right side of the bottom of the experiment table, a test tube rack is fixed on the right rear side of the upper surface of the experiment table through screws, and five through holes which are uniformly distributed are formed in the top of the test tube rack; specifically, when a student needs to clean a chemical appliance, the water faucet is opened, the user can clean the chemical appliance in the water tank, when an experiment is performed, the student can put books, notebooks and paper pens on a square plate for storage, the books and the notebooks are effectively prevented from being wetted when the experiment is performed, the student can put test tubes in the test tube rack through the through holes, the test tubes are convenient to store, and the test tube rack is fixed on an experiment table, so that the test tube rack is very firm, and the test tube rack is effectively prevented from being overturned to break the test tubes in the test tube rack; a strip-shaped groove is formed in the edge of the front surface of the upper surface of the experiment table, a square opening is formed in the middle of the rear side of the inner wall of the strip-shaped groove, a screen plate is embedded into the square opening, two symmetrical water guide plates are fixed to the left side and the right side of the inner wall of the strip-shaped groove, the rear side of the square opening extends into the water tank, and the water guide plates are triangular; it is concrete, do the chemistry experiment in-process, chemical reagent and water are on easily making the laboratory bench, chemical reagent and water will flow in bar groove or basin, the chemical reagent and the water that flow in bar groove will flow in the middle of bar inslot wall bottom through the water deflector, prevent that chemical reagent and water from amassing two in bar groove, pass in the otter board inflow square again, flow in the basin through the square mouth at last, thereby effectively prevent that chemical reagent and water from flowing to the ground from the laboratory bench, the otter board can carry out filtration treatment to water, effectively prevent the square mouth and block up.

Of course, the embodiment can also be used for providing matching services for other test beds. Here, details are not repeated, and a teaching experiment table for STEM education according to an embodiment of the present invention is described below.

Referring to fig. 1-5, a teaching experiment table for STEM education comprises a movable damping mechanism, a placement damping mechanism, an experiment adjusting mechanism and a placement adjusting mechanism, wherein the movable damping mechanism comprises a bottom plate 1 and a fifth spring 36, the bottom plate 1 is fixedly connected with a connecting groove 2, the connecting groove 2 is fixedly connected with a fourth telescopic rod 35, the fourth telescopic rod 35 is fixedly connected with a wheel 3, the fifth spring 36 is fixedly connected with the connecting groove 2, and the fifth spring 36 is fixedly connected with the wheel 3;

the placing and damping mechanism comprises a second connecting plate 5, a first telescopic rod 26, a containing cabinet 19, a fixing groove 22, a first connecting plate 4, a second telescopic rod 30 and a third spring 31, the second connecting plate 5 is fixedly connected with a second spring 27, the second spring 27 is fixedly connected with a bottom plate 1, the first telescopic rod 26 is fixedly connected with the second connecting plate 5, the first telescopic rod 26 is fixedly connected with the bottom plate 1, the containing cabinet 19 is fixedly connected with the second connecting plate 5, the fixing groove 22 is fixedly connected with the containing cabinet 19, the fixing groove 22 is fixedly connected with a first spring 23, the first spring 23 is fixedly connected with a connector 24, the connector 24 is fixedly connected with a second placing plate 25, the first connecting plate 4 is fixedly connected with the second connecting plate 5, the first connecting plate 4 is fixedly connected with a second sliding groove 28, the second sliding groove 28 is slidably connected with a second sliding block 29, the second sliding block 29 is fixedly connected with the containing cabinet 19, the second telescopic rod 30 is fixedly connected with the second sliding groove 28, the second telescopic rod 30 is fixedly connected with the second sliding block 29, the third spring 31 is fixedly connected with the second sliding groove 28, and the third spring 31 is fixedly connected with the second sliding block 29;

the experiment adjusting mechanism comprises a first operating platform 6 and a second operating platform 9, the first operating platform 6 is fixedly connected with the first connecting plate 4, the first operating platform 6 is fixedly connected with the connecting outer pipe 7, the connecting outer pipe 7 is slidably connected with the connecting inner pipe 8, the second operating platform 9 is fixedly connected with the connecting inner pipe 8, and the second operating platform 9 is fixedly connected with the anti-skid rubber pad 10;

the placing and adjusting mechanism comprises a connecting rod 11, a first placing plate 16, a placing groove 18, a third telescopic rod 33 and a fourth spring 34, the connecting rod 11 is fixedly connected with the first operating platform 6, the connecting rod 11 is fixedly connected with the first sliding groove 12, the first sliding groove 12 is slidably connected with the first sliding block 13, the first placing plate 16 is fixedly connected with the protection plate 17, the placing groove 18 is fixedly connected with the first placing plate 16, the third telescopic rod 33 is fixedly connected with the placing groove 18, the third telescopic rod 33 is fixedly connected with the third connecting plate 32, the fourth spring 34 is fixedly connected with the placing groove 18, the fourth spring 34 is fixedly connected with the third connecting plate 32, the device can be moved stably by moving the damping mechanism, the articles can be damped and protected by the placing and damping mechanism, the article placing position can be adjusted by the placing and adjusting mechanism, the different articles can be placed stably.

The bottom of the bottom plate 1 is provided with four connecting grooves 2, the four connecting grooves 2 are distributed on the surface of the bottom plate 1 in a rectangular shape, the wheel 3 is connected with the connecting grooves 2 in a sliding manner, the inside of the connecting grooves 2 is provided with a plurality of four telescopic rods 35, the plurality of four telescopic rods 35 are uniformly distributed inside the connecting grooves 2, the four telescopic rods 35 are positioned inside a fifth spring 36, the surface of the second connecting plate 5 is provided with a plurality of first telescopic rods 26, the plurality of first telescopic rods 26 are uniformly distributed on the surface of the second connecting plate 5, the first telescopic rods 26 are positioned inside a second spring 27, the inside of the storage cabinet 19 is provided with a plurality of fixed grooves 22, the plurality of fixed grooves 22 are uniformly distributed on the surface of the storage cabinet 19, the connector 24 is connected with the fixed grooves 22 in a sliding manner, the second placing plate 25 is connected with the storage cabinet 19 in a sliding manner, the inside of the second sliding groove 28 is provided with a plurality of second telescopic rods 30, the plurality of second telescopic rods 30 are symmetrically distributed on two sides of the second sliding block 29, the second telescopic rods 30 are located inside the third spring 31, the surface of the outer connecting pipe 7 is provided with a second bolt 20, the second bolt 20 is spliced with the outer connecting pipe 7, the second bolt 20 is spliced with the inner connecting pipe 8, the surface of the inner connecting pipe 8 is provided with a plurality of second limiting holes 21, the plurality of second limiting holes 21 are uniformly distributed on the surface of the inner connecting pipe 8, the second bolt 20 is located inside the second limiting holes 21 and spliced with the inner connecting pipe 8, the surface of the connecting rod 11 is provided with a first bolt 14, the first bolt 14 is spliced with the connecting rod 11, the first bolt 14 is respectively spliced with the first sliding groove 12 and the first sliding block 13, the surface of the connecting rod 11 is provided with a plurality of first limiting holes 15, the plurality of first limiting holes 15 are uniformly distributed on the surface of the connecting rod 11, the surface of the first sliding groove 12 is provided with a plurality of third limiting holes 37, a plurality of No. three spacing hole 37 evenly distributed is on 12 surfaces of spout, a spacing hole 15 and No. three spacing hole 37 coincide each other, a bolt 14 is located a spacing hole 15 and No. three spacing hole 37 inside, 18 inside telescopic links 33 that are provided with a plurality of No. three of standing groove, it is a plurality of No. three telescopic links 33 evenly distributed is on 18 surfaces of standing groove, and No. three telescopic links 33 are located No. four inside the spring 34, No. three connecting plates 32 and 18 sliding connection of standing groove.

When the utility model is used, the pushing device moves, in the moving process, the whole body is buffered and damped through the expansion and contraction deformation of the four-number expansion rod 35 and the five-number spring 36, experimental equipment placed in the containing cabinet 19 is damped and protected, meanwhile, the connector 24 slides along the fixed groove 22, the first spring 23 expands and contracts, the second slider 29 slides along the second sliding groove 28, the second expansion rod 30 and the third spring 31 expand and contract to fully damp and protect the experimental equipment in the containing cabinet 19, the experimental equipment is prevented from being damaged, the experimental operation is carried out on the surfaces of the first operating platform 6 and the second operating platform 9, the inner connecting pipe 8 expands and contracts along the outer connecting pipe 7 to adjust the height of the second operating platform 9, the experimental operation of operators is convenient, the friction force on the surface of the second operating platform 9 is improved through the anti-skid rubber pad 10, avoid the article landing on No. two operation panel 9 surfaces, partial article are placed on No. three connecting plate 32 surfaces of standing groove 18 inside, slide along a spout 12 through a slider 13, highly adjust a board 16, adjust through placing the interval between the board 16 to two one numbers, be convenient for place the article of co-altitude, article are placed and are cushioned article through No. three telescopic link 33 and the flexible deformation of No. four springs 34 in standing groove 18, improve its stability of placing.

The utility model has the advantages that:

1. the movable damping device has a movable damping measure, and can move through the pushing device, in the moving process, the whole body can be buffered and damped through the four-number telescopic rod and the five-number spring telescopic deformation, experimental equipment placed in the containing cabinet can be damped and protected, meanwhile, the connector can slide along the fixed groove through the connector, the first spring can be deformed in a telescopic manner, the second sliding block can slide along the second sliding groove, the second telescopic rod and the third spring can be deformed in a telescopic manner, so that the experimental equipment in the containing cabinet can be sufficiently damped and protected, and the experimental equipment can be prevented from being damaged;

2. the utility model has experimental adjustment measures, the experimental operation is carried out on the surfaces of the first operating platform and the second operating platform, the height of the second operating platform is adjusted by the telescopic connection of the inner connecting pipe along the outer connecting pipe, the experimental operation is convenient for operators, the friction force on the surface of the second operating platform is improved by the anti-skid rubber pads, and the articles on the surface of the second operating platform are prevented from sliding off;

3. the novel article placing groove is reasonable in structure, partial articles are placed on the surface of the third connecting plate in the placing groove, the first sliding block slides along the first sliding groove to adjust the height of the first placing plate, the distance between the two first placing plates is adjusted to facilitate placing of articles with different heights, the articles are placed in the placing groove, the third telescopic rod and the fourth spring are used for damping the articles, and the placing stability of the articles is improved.

It is fully within the purview of one skilled in the art to make the utility model, including the circuits and electronic components and modules, known in the art, and without undue experimentation, the utility model is not limited to software and process modifications.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a teaching experiment platform of STEM education which characterized in that: the damping device comprises a movable damping mechanism, a placing damping mechanism, an experiment adjusting mechanism and a placing adjusting mechanism, wherein the movable damping mechanism comprises a bottom plate (1) and a fifth spring (36), the bottom plate (1) is fixedly connected with a connecting groove (2), the connecting groove (2) is fixedly connected with a fourth telescopic rod (35), the fourth telescopic rod (35) is fixedly connected with a wheel (3), the fifth spring (36) is fixedly connected with the connecting groove (2), and the fifth spring (36) is fixedly connected with the wheel (3);

the placing damping mechanism comprises a second connecting plate (5), a first telescopic rod (26), a containing cabinet (19), a fixing groove (22), a first connecting plate (4), a second telescopic rod (30) and a third spring (31), the second connecting plate (5) is fixedly connected with the second spring (27), the second spring (27) is fixedly connected with the bottom plate (1), the first telescopic rod (26) is fixedly connected with the second connecting plate (5), the first telescopic rod (26) is fixedly connected with the bottom plate (1), the containing cabinet (19) is fixedly connected with the second connecting plate (5), the fixing groove (22) is fixedly connected with the containing cabinet (19), the fixing groove (22) is fixedly connected with the first spring (23), the first spring (23) is fixedly connected with the connector (24), the connector (24) is fixedly connected with the second placing plate (25), the first connecting plate (4) is fixedly connected with the second connecting plate (5), the first connecting plate (4) is fixedly connected with the second sliding groove (28), the second sliding groove (28) is slidably connected with the second sliding block (29), the second sliding block (29) is fixedly connected with the storage cabinet (19), the second telescopic rod (30) is fixedly connected with the second sliding groove (28), the second telescopic rod (30) is fixedly connected with the second sliding block (29), the third spring (31) is fixedly connected with the second sliding groove (28), and the third spring (31) is fixedly connected with the second sliding block (29);

the experiment adjusting mechanism comprises a first operating platform (6) and a second operating platform (9), the first operating platform (6) is fixedly connected with the first connecting plate (4), the first operating platform (6) is fixedly connected with the connecting outer pipe (7), the connecting outer pipe (7) is slidably connected with the connecting inner pipe (8), the second operating platform (9) is fixedly connected with the connecting inner pipe (8), and the second operating platform (9) is fixedly connected with the anti-skid rubber pad (10);

the placing and adjusting mechanism comprises a connecting rod (11), a first placing plate (16), a placing groove (18), a third telescopic rod (33) and a fourth spring (34), the connecting rod (11) is fixedly connected with the first operating platform (6), the connecting rod (11) is fixedly connected with the first sliding chute (12), the first sliding chute (12) is slidably connected with the first sliding block (13), the first placing plate (16) is fixedly connected with the first sliding block (13), the first placing plate (16) is fixedly connected with the protection plate (17), the placing groove (18) is fixedly connected with the first placing plate (16), the third telescopic rod (33) is fixedly connected with the placing groove (18), and No. three telescopic link (33) and No. three connecting plate (32) fixed connection, No. four spring (34) and standing groove (18) fixed connection, and No. four spring (34) and No. three connecting plate (32) fixed connection.

2. A STEM educational teaching experiment table as claimed in claim 1, wherein: bottom plate (1) bottom is provided with four spread groove (2), four spread groove (2) are rectangular distribution at bottom plate (1) bottom surface, wheel (3) and spread groove (2) sliding connection, spread groove (2) inside is provided with a plurality of No. four telescopic links (35), and is a plurality of No. four telescopic link (35) evenly distributed is inside spread groove (2), and No. four telescopic link (35) are located inside No. five spring (36).

3. A STEM educational teaching experiment table as claimed in claim 1, wherein: no. two connecting plate (5) surfaces are provided with a plurality of telescopic link (26), and is a plurality of telescopic link (26) evenly distributed is on No. two connecting plate (5) surfaces, and telescopic link (26) are located inside No. two spring (27).

4. A STEM educational teaching experiment table as claimed in claim 1, wherein: accomodate cabinet (19) inside be provided with a plurality of fixed slots (22), it is a plurality of fixed slot (22) evenly distributed is on accomodate cabinet (19) surface, connector (24) and fixed slot (22) sliding connection, place board (25) and accomodate cabinet (19) sliding connection No. two.

5. A STEM educational teaching experiment table as claimed in claim 1, wherein: a plurality of second telescopic rods (30) are arranged inside the second sliding groove (28), the second telescopic rods (30) are symmetrically distributed on two sides of the second sliding block (29), and the second telescopic rods (30) are located inside the third spring (31).

6. A STEM educational teaching experiment table as claimed in claim 1, wherein: connect outer tube (7) surface and be provided with No. two bolt (20), No. two bolt (20) are pegged graft with being connected outer tube (7), and No. two bolt (20) are pegged graft with being connected inner tube (8).

7. The teaching experiment table of STEM education as claimed in claim 6, wherein: connect inner tube (8) surface and be provided with a plurality of No. two spacing holes (21), it is a plurality of No. two spacing hole (21) evenly distributed is on connecting inner tube (8) surface, No. two bolt (20) are located No. two spacing hole (21) inside and are pegged graft with connecting inner tube (8).

8. A STEM educational teaching experiment table as claimed in claim 1, wherein: a plug pin (14) is arranged on the surface of the connecting rod (11), the plug pin (14) is connected with the connecting rod (11) in an inserting mode, and the plug pin (14) is connected with a sliding groove (12) and a sliding block (13) in an inserting mode respectively.

9. A STEM educational teaching experiment table according to claim 8, wherein: connecting rod (11) surface is provided with a plurality of spacing holes (15), and is a plurality of spacing hole (15) evenly distributed is on connecting rod (11) surface, a spout (12) surface is provided with a plurality of No. three spacing holes (37), and is a plurality of No. three spacing hole (37) evenly distributed is on a spout (12) surface, No. one spacing hole (15) and No. three spacing hole (37) coincide each other, No. one bolt (14) are located inside a spacing hole (15) and No. three spacing hole (37).

10. A STEM educational teaching experiment table as claimed in claim 1, wherein: a plurality of third telescopic rods (33) are arranged inside the placing groove (18), the third telescopic rods (33) are evenly distributed on the surface of the placing groove (18), the third telescopic rods (33) are located inside the fourth springs (34), and the third connecting plate (32) is connected with the placing groove (18) in a sliding mode.