CN111450743B

CN111450743B - Multi-functional auxiliary assembly for teaching

Info

Publication number: CN111450743B
Application number: CN202010287555.4A
Authority: CN
Inventors: 申珊珊; 郑伟; 申玮玮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2023-01-03
Anticipated expiration: 2040-04-13
Also published as: CN111450743A

Abstract

The invention discloses multifunctional auxiliary equipment for teaching, which comprises a bottom box and a clamping assembly, wherein the bottom box is provided with a clamping hole; the upper surface of the bottom box faces downwards and is provided with a containing groove, a first rotating disc is overturned in the containing groove, and a rotating rod is rotatably connected above the first rotating disc; the clamping assembly comprises a movable clamping plate, a carrying plate is horizontally and fixedly connected onto the rotating rod, a disc is rotatably connected onto the upper surface of the carrying plate, a containing groove is formed in the upper surface of the disc in a downward mode, a fixing rod is fixedly connected onto the upper surface of the disc in an upward mode, a telescopic rod is horizontally and fixedly connected onto the fixing rod, and a first U-shaped plate is fixedly connected onto the telescopic end of the telescopic rod.

Description

Multi-functional auxiliary assembly for teaching

Technical Field

The invention relates to the technical field of teaching auxiliary equipment, in particular to multifunctional teaching auxiliary equipment.

Background

Teaching is a human-specific talent training activity consisting of teacher's teaching and student's learning. Through this kind of activity, the teacher purposefully, plan, guide student study and master cultural science knowledge and skill organically, promote student's quality to improve, make them become the people that the society needs, need the teacher to carry out some chemical test and assist student's understanding in carrying out the chemical knowledge teaching in-process, nevertheless current teaching is generally not convenient for carrying out the clamp of chemical test with the auxiliary assembly and is tight, thereby make the test tube produce the phenomenon of rocking easily, current teaching is generally not convenient for adjust the position of test tube simultaneously, consequently be unfavorable for the student to watch the situation of change of the interior liquid color of test tube.

Disclosure of Invention

The invention aims to provide multifunctional teaching auxiliary equipment, which aims to solve the problem that the existing teaching auxiliary equipment proposed in the background technology is generally inconvenient to clamp a test tube for chemical test; and it is generally inconvenient to adjust the position of the test tube.

In order to achieve the purpose, the invention provides the following technical scheme:

a multifunctional auxiliary device for teaching comprises a bottom box and a clamping assembly;

the upper surface of the bottom box faces downwards and is provided with a containing groove, a first rotating disc is overturned in the containing groove, and a rotating rod is rotatably connected above the first rotating disc;

the centre gripping subassembly is including removing the grip block, the dwang is improved level fixedly connected with and is carried the thing board, the last surface rotation that carries the thing board is connected with the disc, the upper surface of disc has seted up downwards and has accomodate the groove, the upper surface of disc is towards last fixedly connected with dead lever, the dead lever is improved level fixedly connected with telescopic link, the first U-shaped board of the flexible end fixedly connected with of telescopic link, the fixed grip block of fixedly connected with on the first U-shaped board, remove grip block swing joint in first U-shaped inboard, and remove the relative fixed grip block setting of grip block.

As a further scheme of the invention: the first overturning motor is fixedly connected to the accommodating tank, the lower surface of the first rotary table is fixedly connected with the connecting block, a driving shaft of the first overturning motor is fixedly connected to the connecting block, and the first overturning motor works to drive the connecting block to move, so that the first rotary table is overturned in the accommodating tank; when the device needs to be used, the first overturning motor works to realize that the first rotary disc overturns to realize that the rotary disc is positioned above the bottom box; when the device is not needed, the first turnover motor works to realize that the first rotary disc rotates to realize that the rotary disc is positioned in the bottom box;

the lower surface of the object carrying plate is fixedly connected with a driving motor, a driving shaft of the driving motor is fixedly connected to the lower surface of the disc, the structure and the working principle of the driving motor are known, repeated description is omitted here, and the rotation of the disc is realized when the driving motor works.

As a further scheme of the invention: the last fixed surface of first carousel is connected with first motor, the drive shaft fixed connection of first motor is at the lower surface of dwang, the both ends fixedly connected with movable block down of dwang, the ring channel that is used for movable block swing joint is offered to the upper surface of first carousel, and the structure and the theory of operation of first motor are known, and the event is repeated repeatedly giving redundant details here, and first motor work realizes that the dwang rotates to the position of carrying the thing board has been adjusted.

As a further scheme of the invention: the telescopic rod comprises a first rod fixedly connected to the fixing rod, a second rod is movably inserted into one end of the first rod, the second rod is fixedly connected to the first rod through a fixing bolt, the second rod is fixedly connected with the first U-shaped plate, when the lengths of the first rod and the second rod need to be adjusted, the fixing bolt is manually rotated by a worker, when one end of the fixing bolt is separated from the first rod and the second rod, the second rod is manually moved by the worker, then the fixing bolt is manually and reversely rotated by the worker, and the first rod and the second rod are fixed through the fixing bolt;

bolt holes used for fixing bolt threaded connection are formed in the first rod and the second rod, and the bolt holes are arranged to facilitate the fixing bolts to be respectively in threaded connection with the first rod and the second rod.

As a further scheme of the invention: the fixed clamping plate and the movable clamping plate are both arc-shaped structures, so that a teacher can clamp a test tube conveniently through the fixed clamping plate and the movable clamping plate when performing a chemical test;

the first U-shaped plate is fixedly connected with a first hydraulic rod, the movable end of the first hydraulic rod is fixedly connected to the movable clamping plate, the structure and the working principle of the first hydraulic rod are known, repeated description is omitted here, when a teacher places the bottom of a test tube in the containing groove in the disc, the middle of the test tube is located between the fixed clamping plate and the movable clamping plate, and the first hydraulic rod works to realize the movement of the movable clamping plate until the test tube is clamped through the matching of the movable clamping plate and the fixed clamping plate;

the movable clamping plate is fixedly connected with a sliding block, a first sliding groove used for sliding connection of the sliding block is formed in the first U-shaped plate, and the movable clamping plate is moved in the first U-shaped plate through cooperation of the first sliding groove and the sliding block.

As a further scheme of the invention: the last fixed surface who carries the thing board is connected with the fixed block, through third hydraulic stem fixedly connected with slide on the fixed block, the lower extreme sliding connection of slide is on carrying the thing board, the upset is connected with the returning face plate on the slide, the lower fixed surface of returning face plate is connected with the second hydraulic stem, the activity end fixedly connected with second carousel of second hydraulic stem, the below of second carousel is rotated and is connected with the fly leaf, the lower surface dismantlement formula of fly leaf is connected with the sprue, and the work of third hydraulic stem realizes that the slide moves on carrying the thing board, and then drives the removal of fly leaf, and the work of second hydraulic stem drives fly leaf and sprue upwards or move downwards.

As a further scheme of the invention: the upper surface of the carrying plate is provided with a second sliding chute for sliding connection of the sliding plate, and the sliding plate can conveniently move on the upper surface of the carrying plate through the arrangement of the second sliding chute;

the sliding plate is fixedly connected with a second overturning motor, a driving shaft of the second overturning motor is fixedly connected to the overturning plate, the structure and the working principle of the second overturning motor are known, repeated description is omitted here, and the second overturning motor works to overturn the overturning plate so as to overturn the movable plate;

the upper surface of the movable plate is provided with a circular groove for the rotational connection of the second turntable, the side wall of the circular groove is fixedly connected with a limiting block, the second turntable is provided with a limiting groove for the movable connection of the limiting block, and when the second turntable rotates on the movable plate, the second turntable is prevented from falling off on the movable plate due to the cooperation of the limiting block and the limiting groove;

the lower fixed surface of fly leaf is connected with the connecting block, the top face fixedly connected with threaded rod of sprue, threaded rod threaded connection cooperatees on the connecting block, and the sprue cooperatees with the opening of test tube, and when the sprue was taken off from the connecting block to needs, the manual rotation sprue of staff can follow the connecting block and take off the sprue.

As a further scheme of the invention: the front side wall and the rear side wall of the bottom box are both movably connected with second U-shaped plates, and the second U-shaped plates are provided with locking mechanisms used for being locked on the bottom box, so that teachers can conveniently carry the bottom box by hand to carry the bottom box when the second U-shaped plates are in a horizontal state; when the second U-shaped plate is in a vertical state, the bottom box is supported by the second U-shaped plate.

As a further scheme of the invention: third sliding grooves are symmetrically formed in the front side wall and the rear side wall of the bottom box, L-shaped sliding blocks are connected in the third sliding grooves in a sliding mode, rotating shafts are fixedly connected to two ends of each second U-shaped plate, the rotating shafts are rotatably connected to the side walls of the L-shaped sliding blocks, and the second U-shaped plates can conveniently slide on the bottom box under the action of the third sliding grooves and the L-shaped sliding blocks; the rotation of the second U-shaped plate relative to the L-shaped sliding block is convenient to realize through the arrangement of the rotating shaft.

As a further scheme of the invention: the locking mechanism comprises a locking rod, a transverse plate is fixedly connected to the second U-shaped plate, a groove is formed in the transverse plate, an intermediate block is fixedly connected to the side wall of the groove, springs are fixedly connected to two ends of the intermediate block, one end of each spring is fixedly connected with a push plate, the push plates are fixedly connected with the locking rod, one end of each locking rod penetrates through the side walls of the groove, the second U-shaped plate and the L-shaped sliding block and is inserted into the side wall of the third sliding groove, when the state of the second U-shaped plate needs to be adjusted, a worker manually pushes the push plates to drive the locking rod to move through the push plates, when one end of each locking rod is separated from the third sliding groove and the L-shaped sliding block, the worker manually moves the second U-shaped plate to adjust the position of the second U-shaped plate, then manually releases the push plates, due to the action of the springs, the push plates move, the locking rods are driven to move through the push plates, one end of each locking rod penetrates through the groove, the side walls of the second U-shaped plate and the L-shaped sliding block and is inserted into the side walls of the third sliding groove, and the second U-shaped plate is locked;

at least two sets of locking holes used for the locking rods to be inserted are formed in the side wall of the third sliding groove, each set of locking holes are arranged in an annular mode, and the locking rods are inserted into the side wall of the third sliding groove conveniently through the locking holes.

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

the first turntable is overturned in the accommodating groove, so that the position of the clamping assembly on the first turntable can be conveniently adjusted; when the device needs to be used, the first overturning motor works to realize that the first rotary disc overturns to realize that the rotary disc is positioned above the bottom box; when the device is not needed, the first turnover motor works to realize that the first rotary disc rotates to realize that the disc is located in the bottom box, meanwhile, the clamping assembly is arranged to clamp the test tube conveniently, the first hydraulic rod works to realize the movement of the movable clamping plate until the test tube is clamped through the matching of the movable clamping plate and the fixed clamping plate.

Through the fixed rod level fixedly connected with telescopic link, the first U-shaped plate of telescopic link's flexible end fixedly connected with, the position of the first U-shaped plate of adjustment of being convenient for, staff's manual rotation fixing bolt, when fixing bolt's one end breaks away from getting off from first pole and second pole, staff's manual removal second pole, later the manual antiport fixing bolt of staff has realized fixing between first pole and the second pole through fixing bolt.

Set up the sprue through the below at the fly leaf, prevent that the liquid in the test tube from unrestrained out, third hydraulic stem work realizes that the slide moves on carrying the thing board, makes the fly leaf remove to the disc directly over, and second upset motor work realizes overturning the fly leaf to the horizontality, and the removal of fly leaf is realized in second hydraulic stem work to drive sprue downstream, prevent the unrestrained out of the liquid in the test tube until the opening part of sprue insert test tube.

The front side wall and the rear side wall of the bottom box are movably connected with second U-shaped plates, so that the state of the second U-shaped plates can be conveniently adjusted, a worker manually pushes the push plate, the push plate drives the locking rod to move, when one end of the locking rod is separated from the third sliding groove and the L-shaped sliding block, the worker manually moves the second U-shaped plates to adjust the second U-shaped plates to be in a vertical state, then the push plate is manually loosened, the push plate is moved under the action of the spring, the locking rod is driven to move through the push plate, one end of the locking rod penetrates through the groove, the side walls of the second U-shaped plates and the L-shaped sliding block and is inserted into the side walls of the third sliding groove, the locking of the second U-shaped plates is realized, and the bottom box is supported through the second U-shaped plates; staff's manual push pedal, the removal that drives the check lock lever through the push pedal, when the one end of check lock lever breaks away from on third spout and L shape slider, staff's manual movement second U-shaped plate, adjust second U-shaped plate to the horizontality, later the manual push pedal that loosens, because the removal of push pedal is realized to the effect of spring, the removal of drive check lock lever through the push pedal, thereby realize that the one end of check lock lever passes the recess, the lateral wall of second U-shaped plate and L shape slider inserts and establishes on the lateral wall of third spout, the locking to second U-shaped plate has been realized, thereby be convenient for the transport of the portable second U-shaped plate of teacher realization to this end box.

This kind of multi-functional auxiliary assembly for teaching has realized shaking the liquid in the test tube when the teacher carries out chemical test evenly, and the student of being convenient for watches the colour change of the chemical reaction of liquid in the test tube, is convenient for simultaneously when not using the device hand-held the device realize the transport to the device.

Drawings

FIG. 1 is a schematic view of a multifunctional teaching aid;

FIG. 2 is a schematic view of the connection between a first turntable and a first turnover motor in the multifunctional teaching aid;

FIG. 3 is a schematic view showing the connection between the disc and the rotary rod of the multifunctional teaching aid;

FIG. 4 is a schematic view of the connection between the loading board and the driving motor of the multifunctional teaching aid;

FIG. 5 is a schematic view showing the connection between the loading plate and the moving plate of the multifunctional teaching aid;

FIG. 6 is a schematic view showing the connection between a fixing rod and a first U-shaped plate in the multifunctional teaching aid;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

FIG. 8 is a schematic view of the inside of the telescopic rod of the multifunctional teaching aid;

FIG. 9 is a schematic view of the connection between the flipping board and the block in the multifunctional teaching aid;

FIG. 10 is an enlarged view of a portion of FIG. 9 at C;

FIG. 11 is a schematic view of a second turntable of the multi-function teaching aid;

FIG. 12 is a schematic view of the connection between the movable plate and the blocking block of the multifunctional teaching aid;

FIG. 13 is a schematic view showing the connection between the L-shaped slider and the second U-shaped plate of the multifunctional teaching aid;

FIG. 14 is a schematic view of a bottom case of the multifunctional teaching aid;

FIG. 15 is an enlarged view of a portion of FIG. 14 at B;

in the figure: 1. a bottom case; 2. accommodating a tank; 3. a first turntable; 4. rotating the rod; 5. moving the clamping plate; 6. a loading plate; 7. a disc; 8. a receiving groove; 9. a fixing rod; 10. a telescopic rod; 11. a first U-shaped plate; 12. fixing the clamping plate; 13. a first flipping motor; 14. connecting blocks; 15. a first motor; 16. a moving block; 17. an annular groove; 18. a first lever; 19. a second lever; 20. fixing the bolt; 21. bolt holes; 22. a first hydraulic lever; 23. a slider; 24. a first chute; 25. a fixed block; 26. a slide plate; 27. a turnover plate; 28. a second hydraulic rod; 29. a second turntable; 30. a movable plate; 31. blocking; 32. a second chute; 33. a second turnover motor; 34. a limiting block; 35. a limiting groove; 36. connecting blocks; 37. a threaded rod; 38. a second U-shaped plate; 39. a third chute; 40. an L-shaped slider; 41. a rotating shaft; 42. a locking lever; 43. a transverse plate; 44. a groove; 45. a middle block; 46. a spring; 47. pushing the plate; 48. a locking hole; 49. a third hydraulic lever; 50. the motor is driven.

Detailed Description

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.

Referring to fig. 1-15, in an embodiment of the present invention, a multifunctional teaching aid includes a bottom case 1 and a clamping assembly;

the upper surface of the bottom box 1 faces downwards and is provided with an accommodating groove 2, a first rotating disc 3 is turned in the accommodating groove 2, and a rotating rod 4 is rotatably connected above the first rotating disc 3;

the centre gripping subassembly is including removing grip block 5, dwang 4 is improved level fixedly connected with and is carried thing board 6, the last rotate surface who carries thing board 6 is connected with disc 7, the upper surface of disc 7 has been seted up downwards and has been accomodate groove 8, the upper surface of disc 7 is towards last fixedly connected with dead lever 9, dead lever 9 is improved level fixedly connected with telescopic link 10, the first U-shaped board 11 of telescopic link 10's flexible end fixedly connected with, the fixed grip block 12 of fixedly connected with on the first U-shaped board 11, remove 5 swing joint of grip block in first U-shaped board 11, and remove 5 relatively fixed grip blocks 12 settings of grip block.

A first overturning motor 13 is fixedly connected to the accommodating groove 2, a connecting block 14 is fixedly connected to the lower surface of the first rotating disc 3, a driving shaft of the first overturning motor 13 is fixedly connected to the connecting block 14, the structure and the working principle of the first overturning motor 13 are known, so that repeated description is omitted, the first overturning motor 13 works to drive the connecting block 14 to move, and the first rotating disc 3 is overturned in the accommodating groove 2; when the device is needed, the first overturning motor 13 works to realize that the first rotating disc 3 overturns to realize that the disc 7 is positioned above the bottom box 1; when the device is not needed, the first turnover motor 13 works to realize that the first rotating disc 3 rotates to realize that the disc 7 is positioned in the bottom box 1;

the lower surface of the object carrying plate 6 is fixedly connected with a driving motor 50, a driving shaft of the driving motor 50 is fixedly connected to the lower surface of the disc 7, the structure and the working principle of the driving motor 50 are known, so that repeated description is omitted, and the driving motor 50 works to realize the rotation of the disc 7.

First motor 15 is connected with to the last fixed surface of first carousel 3, first motor 15's drive shaft fixed connection is at the lower surface of dwang 4, the both ends of dwang 4 fixedly connected with movable block 16 down, annular groove 17 that is used for movable block 16 swing joint is offered to the upper surface of first carousel 3, first motor 15's structure and theory of operation are known, and the event is repeated repeatedly giving redundant details here, and dwang 4 rotation is realized in the work of first motor 15 to the position of carrying thing board 6 has been adjusted.

The telescopic rod 10 comprises a first rod 18 fixedly connected to the fixed rod 9, a second rod 19 is movably inserted into one end of the first rod 18, the second rod 19 is fixedly connected to the first rod 18 through a fixed bolt 20, the second rod 19 is fixedly connected with the first U-shaped plate 11, when the lengths of the first rod 18 and the second rod 19 need to be adjusted, a worker manually rotates the fixed bolt 20, when one end of the fixed bolt 20 is separated from the first rod 18 and the second rod 19, the worker manually moves the second rod 19, then the worker manually rotates the fixed bolt 20 in a reverse direction, and the first rod 18 and the second rod 19 are fixed through the fixed bolt 20;

bolt holes 21 used for threaded connection of the fixing bolts 20 are formed in the first rod 18 and the second rod 19, and the bolt holes 21 are arranged to facilitate threaded connection between the fixing bolts 20 and the first rod 18 and the second rod 19 respectively.

The fixed clamping plate 12 and the movable clamping plate 5 are both arc-shaped structures, so that a teacher can clamp a test tube conveniently through the fixed clamping plate 12 and the movable clamping plate 5 when performing a chemical test;

the first U-shaped plate 11 is fixedly connected with a first hydraulic rod 22, the movable end of the first hydraulic rod 22 is fixedly connected to the movable clamping plate 5, the structure and the working principle of the first hydraulic rod 22 are known, and therefore repeated description is omitted here, when a teacher places the bottom of a test tube in the accommodating groove 8 on the disc 7, the middle of the test tube is located between the fixed clamping plate 12 and the movable clamping plate 5, and the first hydraulic rod 22 works to realize the movement of the movable clamping plate 5 until the test tube is clamped through the matching of the movable clamping plate 5 and the fixed clamping plate 12;

fixedly connected with slider 23 on the removal grip block 5, offer the first spout 24 that is used for slider 23 sliding connection on the first U-shaped board 11, the cooperation of first spout 24 and slider 23 realizes removing the grip block 5 and removes in first U-shaped board 11.

The upper surface of the object carrying plate 6 is fixedly connected with a fixed block 25, the fixed block 25 is fixedly connected with a sliding plate 26 through a third hydraulic rod 49, the lower end of the sliding plate 26 is connected to the object carrying plate 6 in a sliding manner, the sliding plate 26 is connected with a turnover plate 27 in a turnover manner, and the lower surface of the turnover plate 27 is fixedly connected with a second hydraulic rodIIA hydraulic rod 28, a second rotary disc 29 is fixedly connected with the movable end of the second hydraulic rod 28, a movable plate 30 is rotatably connected below the second rotary disc 29, a blocking block 31 is detachably connected on the lower surface of the movable plate 30, and the second hydraulic rod 28 is connected with a second rotary disc 29IIThe structure and operation of hydraulic rod 28 and third hydraulic rod 49 are well known and will not be repeated here, and the third hydraulic rod 49The pressing rod 49 operates to move the slide 26 on the object plate 6, and thus the movable plate 30, and the second hydraulic rod 28 operates to move the movable plate 30 and the block 31 upward or downward.

A second chute 32 for slidably connecting the sliding plate 26 is formed in the upper surface of the object carrying plate 6, and the sliding plate 26 can move on the upper surface of the object carrying plate 6 conveniently through the arrangement of the second chute 32;

the sliding plate 26 is fixedly connected with a second overturning motor 33, a driving shaft of the second overturning motor 33 is fixedly connected to the overturning plate 27, and the structure and the working principle of the second overturning motor 33 are known, so that repeated description is omitted herein, and the second overturning motor 33 works to realize the overturning of the overturning plate 27, and further realize the overturning of the movable plate 30;

the upper surface of the movable plate 30 is provided with a circular groove for the rotational connection of the second turntable 29, the side wall of the circular groove is fixedly connected with a limit block 34, the second turntable 29 is provided with a limit groove 35 for the movable connection of the limit block 34, and when the second turntable 29 rotates on the movable plate 30, the second turntable 29 is prevented from falling off on the movable plate 30 due to the cooperation of the limit block 34 and the limit groove 35;

the lower surface fixedly connected with connecting block 36 of fly leaf 30, the top terminal surface fixedly connected with threaded rod 37 of sprue 31, threaded rod 37 threaded connection on connecting block 36, sprue 31 and the opening of test tube cooperate, when sprue 31 is taken off from connecting block 36 to needs, the manual rotation sprue 31 of staff can follow connecting block 36 and take off sprue 31.

The front side wall and the rear side wall of the bottom box 1 are movably connected with second U-shaped plates 38, and the second U-shaped plates 38 are provided with locking mechanisms for locking the bottom box 1, so that teachers can conveniently carry the bottom box 1 by carrying the bottom box 1 when the second U-shaped plates 38 are in a horizontal state; when the second U-shaped plate 38 is in the vertical state, the support of the back box 1 is realized by the second U-shaped plate 38.

Third sliding chutes 39 are symmetrically formed in the front side wall and the rear side wall of the bottom box 1, the third sliding chutes 39 are connected with L-shaped sliding blocks 40 in a sliding manner, two ends of each second U-shaped plate 38 are fixedly connected with rotating shafts 41, the rotating shafts 41 are rotatably connected to the side walls of the L-shaped sliding blocks 40, and the second U-shaped plates 38 can slide on the bottom box 1 under the action of the third sliding chutes 39 and the L-shaped sliding blocks 40; the second U-shaped plate 38 is rotated relative to the L-shaped slider 40 by the rotation shaft 41.

The locking mechanism comprises a locking rod 42, a transverse plate 43 is fixedly connected to the second U-shaped plate 38, a groove 44 is formed in the transverse plate 43, an intermediate block 45 is fixedly connected to the side wall of the groove 44, springs 46 are fixedly connected to both ends of the intermediate block 45, one end of each spring 46 is fixedly connected with a push plate 47, the push plates 47 are fixedly connected with the locking rod 42, one end of each locking rod 42 penetrates through the groove 44, the side walls of the second U-shaped plate 38 and the L-shaped sliding block 40 and are inserted into the side wall of the third sliding groove 39, when the state of the second U-shaped plate 38 needs to be adjusted, a worker manually pushes the push plates 47, the push plates 47 drive the locking rod 42 to move through the push plates 47, when one end of each locking rod 42 is separated from the third sliding groove 39 and the L-shaped sliding block 40, the worker manually moves the second U-shaped plate 38, the position of the second U-shaped plate 38 can be adjusted, then the push plates 47 are manually loosened, the push plates 47 move under the action of the spring 46, and the push plates 47 drive the locking rod 42 to move, so that one end inserted into the groove 44, the side wall of the second U-shaped plate 38 and the L-shaped sliding block 40 is arranged on the side wall of the third sliding groove 39, and locking rod 38;

at least two groups of locking holes 48 used for the locking rods 42 to be inserted are formed in the side wall of the third sliding groove 39, each group of locking holes 48 are arranged in an annular mode, and the locking rods 42 are conveniently inserted in the side wall of the third sliding groove 39 through the locking holes 48.

When the bottom box 1 is used, a worker manually pushes the push plate 47, the push plate 47 drives the locking rod 42 to move, when one end of the locking rod 42 is separated from the third sliding groove 39 and the L-shaped sliding block 40, the worker manually moves the second U-shaped plate 38 to adjust the second U-shaped plate 38 to be in a vertical state, then manually releases the push plate 47, the push plate 47 moves under the action of the spring 46, the push plate 47 drives the locking rod 42 to move, so that one end of the locking rod 42 penetrates through the groove 44, the side walls of the second U-shaped plate 38 and the L-shaped sliding block 40 and is inserted into the side wall of the third sliding groove 39, the second U-shaped plate 38 is locked, and the bottom box 1 is supported through the second U-shaped plate 38.

First upset motor 13 work realizes that first carousel 3 upset makes disc 7 be located the top of end box 1, third hydraulic stem 49 work realizes slide 26 and moves on carrying thing board 6, make fly leaf 30 remove to the outside of disc 7, later the teacher will need carry out the test tube bottom of experimenting when placing the groove 8 of accomodating on disc 7, and make the middle part of test tube be located between fixed grip block 12 and the removal grip block 5, the removal of removal grip block 5 is realized in first hydraulic stem 22 work, until the cooperation through removing grip block 5 and fixed grip block 12 realizes pressing from both sides the test tube tightly.

Then, the third hydraulic rod 49 works to realize that the sliding plate 26 moves on the carrying plate 6, so that the movable plate 30 moves to a position right above the disc 7, the second overturning motor 33 works to realize that the movable plate 30 is overturned to a horizontal state, and the second hydraulic rod 28 works to realize that the movable plate 30 moves, so that the blocking block 31 is driven to move downwards until the blocking block 31 is inserted into an opening of a test tube to prevent liquid in the test tube from spilling out.

The rotation of disc 7 is realized in the work of driving motor 50 to realize pressing from both sides tight test tube's rotation on the disc 7, realized shaking the even to the test tube liquid at the test tube pivoted in-process, simultaneously because the effect of second carousel 29 realizes the rotation of fly leaf 30 at disc 7 pivoted in-process.

The second hydraulic rod 28 works to move the blocking block 31 upwards to separate the blocking block 31 from the test tube, then the second turnover motor 33 works to turn over the turnover plate 27 to further move the movable plate 30 and the blocking block 31, and then the third hydraulic rod 49 works to move the sliding plate 26 to drive the movable plate 30 to move so that the movable plate 30 moves to one side deviated from the upper side of the test tube.

15 work of first motor realize that dwang 4 rotates in end 1 top of box to adjusted end 1 top and pressed from both sides the position of tight test tube, the student of being convenient for is to the change condition of the liquid chemical reaction in the test tube.

When the device is not required to be used, the first hydraulic lever 22 works to effect the movement of the mobile gripping plate 5 until the detachment of the test tube from the disc 7 by moving the gripping plate 5 is achieved.

The first turnover motor 13 works to realize that the first rotary plate 3 is turned over to enable the rotary rod 4, the carrying plate 6, the disc 7 and the movable plate 30 to be positioned at the inner side of the bottom box 1, and the protection effect on the rotary rod 4, the carrying plate 6, the disc 7 and the movable plate 30 is realized through the effect of containing the box 2 in the bottom box 1.

The staff manually pushes the push pedal 47, drive the removal of check lock lever 42 through the push pedal 47, when the one end of check lock lever 42 breaks away from on third spout 39 and L shape slider 40, the staff manually moves second U-shaped plate 38, adjust second U-shaped plate 38 to the horizontality, later manually loosen push pedal 47, because the removal of push pedal 47 is realized to spring 46's effect, drive the removal of check lock lever 42 through push pedal 47, thereby realize that the one end of check lock lever 42 passes recess 44, the lateral wall of second U-shaped plate 38 and L shape slider 40 and insert and establish on the lateral wall of third spout 39, realized the locking to second U-shaped plate 38, thereby be convenient for the transport to this end box 1 of teacher's portable second U-shaped plate 38 realization.

Although the present description is described in terms of embodiments, not every embodiment includes only a single embodiment, and such description is for clarity only, and those skilled in the art should be able to integrate the description as a whole, and the embodiments can be appropriately combined to form other embodiments as will be understood by those skilled in the art.

Therefore, the above description is only for the preferred embodiment of the present application and is not intended to limit the scope of the present application; all changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The multifunctional auxiliary equipment for teaching is characterized by comprising a bottom box (1) and a clamping assembly;

an accommodating groove (2) is formed in the upper surface of the bottom box (1) downwards, a first rotating disc (3) is turned in the accommodating groove (2), and a rotating rod (4) is rotatably connected above the first rotating disc (3);

the clamping assembly comprises a movable clamping plate (5), the rotating rod (4) is horizontally and fixedly connected with an object carrying plate (6), the upper surface of the object carrying plate (6) is rotatably connected with a disc (7), the upper surface of the disc (7) faces downwards to form an accommodating groove (8), the upper surface of the disc (7) faces upwards to be fixedly connected with a fixed rod (9), the fixed rod (9) is horizontally and fixedly connected with an expansion link (10), the expansion link (10) is fixedly connected with a first U-shaped plate (11), the first U-shaped plate (11) is fixedly connected with a fixed clamping plate (12), the movable clamping plate (5) is movably connected in the first U-shaped plate (11), and the movable clamping plate (5) is arranged relative to the fixed clamping plate (12);

a first overturning motor (13) is fixedly connected to the accommodating groove (2), a connecting block (14) is fixedly connected to the lower surface of the first rotating disc (3), and a driving shaft of the first overturning motor (13) is fixedly connected to the connecting block (14);

the lower surface of the loading plate (6) is fixedly connected with a driving motor (50), and a driving shaft of the driving motor (50) is fixedly connected to the lower surface of the disc (7);

the upper surface of the first rotating disc (3) is fixedly connected with a first motor (15), a driving shaft of the first motor (15) is fixedly connected to the lower surface of the rotating rod (4), two ends of the rotating rod (4) are downwards fixedly connected with moving blocks (16), and the upper surface of the first rotating disc (3) is provided with an annular groove (17) for movably connecting the moving blocks (16);

the telescopic rod (10) comprises a first rod (18) fixedly connected to the fixing rod (9), a second rod (19) is movably inserted into one end of the first rod (18), the second rod (19) is fixedly connected to the first rod (18) through a fixing bolt (20), and the second rod (19) is fixedly connected with the first U-shaped plate (11);

the first rod (18) and the second rod (19) are respectively provided with a bolt hole (21) for threaded connection of a fixing bolt (20);

the fixed clamping plate (12) and the movable clamping plate (5) are both arc-shaped structures;

a first hydraulic rod (22) is fixedly connected to the first U-shaped plate (11), and the movable end of the first hydraulic rod (22) is fixedly connected to the movable clamping plate (5);

a sliding block (23) is fixedly connected to the movable clamping plate (5), and a first sliding groove (24) for the sliding connection of the sliding block (23) is formed in the first U-shaped plate (11);

the upper surface of the carrying plate (6) is fixedly connected with a fixed block (25), the fixed block (25) is fixedly connected with a sliding plate (26) through a third hydraulic rod (49), the lower end of the sliding plate (26) is connected to the carrying plate (6) in a sliding manner, the sliding plate (26) is connected with a turnover plate (27) in a turnover manner, the lower surface of the turnover plate (27) is fixedly connected with a second hydraulic rod (28), the movable end of the second hydraulic rod (28) is fixedly connected with a second rotary disc (29), the lower part of the second rotary disc (29) is rotatably connected with a movable plate (30), and the lower surface of the movable plate (30) is detachably connected with a blocking block (31);

the upper surface of the carrying plate (6) is provided with a second sliding chute (32) for the sliding connection of the sliding plate (26);

a second overturning motor (33) is fixedly connected to the sliding plate (26), and a driving shaft of the second overturning motor (33) is fixedly connected to the overturning plate (27);

the upper surface of the movable plate (30) is provided with a circular groove for the rotary connection of a second turntable (29), the side wall of the circular groove is fixedly connected with a limiting block (34), and the second turntable (29) is provided with a limiting groove (35) for the movable connection of the limiting block (34);

the lower surface of the movable plate (30) is fixedly connected with a connecting block (36), the top end surface of the blocking block (31) is fixedly connected with a threaded rod (37), and the threaded rod (37) is in threaded connection with the connecting block (36);

the front side wall and the rear side wall of the bottom box (1) are movably connected with second U-shaped plates (38), and the second U-shaped plates (38) are provided with locking mechanisms for locking the bottom box (1);

third sliding chutes (39) are symmetrically formed in the front side wall and the rear side wall of the bottom box (1), L-shaped sliding blocks (40) are connected in the third sliding chutes (39) in a sliding mode, rotating shafts (41) are fixedly connected to the two ends of the second U-shaped plate (38), and the rotating shafts (41) are rotatably connected to the side walls of the L-shaped sliding blocks (40);

the locking mechanism comprises a locking rod (42), a transverse plate (43) is fixedly connected to the second U-shaped plate (38), a groove (44) is formed in the transverse plate (43), an intermediate block (45) is fixedly connected to the side wall of the groove (44), springs (46) are fixedly connected to two ends of the intermediate block (45), one end of each spring (46) is fixedly connected with a push plate (47), the push plates (47) are fixedly connected with the locking rod (42), and one end of the locking rod (42) penetrates through the groove (44), the second U-shaped plate (38) and the side wall of the L-shaped sliding block (40) and is inserted into the side wall of the third sliding groove (39);

at least two groups of locking holes (48) used for the locking rods (42) to be inserted are formed in the side wall of the third sliding groove (39), and each group of locking holes (48) are arranged in an annular mode.