CN113160660B

CN113160660B - Multifunctional learning assisting system for ideological and political education classroom

Info

Publication number: CN113160660B
Application number: CN202110166433.4A
Authority: CN
Inventors: 戴静
Original assignee: Chongqing Vocational Institute of Engineering
Current assignee: Chongqing Vocational Institute of Engineering
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2022-08-02
Anticipated expiration: 2041-02-04
Also published as: CN113160660A

Abstract

The invention discloses a multifunctional learning aid system for ideological and political education classrooms, which comprises a learning aid plate, wherein an L-shaped plate is fixedly connected to the rear end of the learning aid plate, an extension plate is slidably connected between the L-shaped plate and the learning aid plate, vertical plates are slidably connected to the left end and the right end of the extension plate, the extension plate and the vertical plates are clamped through clamping mechanisms, a connecting plate is fixedly connected between the two vertical plates, the connecting plate and the extension plate are fixedly connected through a plurality of telescopic mechanisms, a pull rod is fixedly connected to the rear end of the extension plate, one end of the pull rod, far away from the extension plate, penetrates through the connecting plate in a sliding mode and is coaxially and fixedly connected with a pull handle, and a driving mechanism for driving the extension plate is arranged on the L-shaped plate. The teaching aid board can increase the display area of the teaching aid board, has more display contents, can be used for teaching through multimedia, can be used for placing teaching tools during teaching, can display the Marxist principle, and has more teaching functions.

Description

Multifunctional learning assisting system for ideological and political education classroom

Technical Field

The invention relates to the technical field of learning-aid systems, in particular to a multifunctional learning-aid system for an ideological and political education classroom.

Background

The portable study-assisting board for the traditional thinking administration education has the advantages that the display area is small, the displayed contents are few, the board needs to be moved by teaching personnel when being carried, the carrying is difficult, and the board only has the display function and few functions.

Therefore, the multifunctional learning aid system for the ideological and political education classroom is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that the learning-aid board in the prior art has fewer functions, is inconvenient to carry and has a small display area, and provides a multifunctional learning-aid system for ideological and political education classrooms.

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

the multifunctional learning-assisting system for the ideological and political education classroom comprises a learning-assisting plate, wherein an L-shaped plate is fixedly connected to the rear end of the learning-assisting plate, an extending plate is connected between the L-shaped plate and the learning-assisting plate in a sliding manner, vertical plates are connected to the left end and the right end of the extending plate in a sliding manner, the extending plate and the vertical plates are connected in a clamping manner through a clamping mechanism, a connecting plate is fixedly connected between the two vertical plates, the connecting plate and the extending plate are fixedly connected through a plurality of telescopic mechanisms, a pull rod is fixedly connected to the rear end of the extending plate, one end of the pull rod, which is far away from the extending plate, penetrates through the connecting plate in a sliding manner and is coaxially and fixedly connected with a pull handle, a driving mechanism for driving the extending plate is arranged on the L-shaped plate, the same mounting plate is fixedly connected to the upper ends of the learning-assisting plate and the L-shaped plate, a projector is installed at the upper end of the mounting plate, and a rotating mechanism for rotating the projector is arranged on the mounting plate, the front end of helping the board rotates and is connected with places the board, help being equipped with on the board and being used for carrying out the jack that receive and releases placing the board, help the front end fixed mounting of board to have the show box, be located the right side two joint plates of right-hand member fixedly connected with of riser, two fixedly connected with joint pole between the joint plate, help the equal fixedly connected with two first supporting legs of lower extreme of board and L template.

Preferably, the clamping mechanism is including setting up the spout on the riser lateral wall, sliding connection has the slider in the spout, the lateral wall of slider is equipped with the joint groove, the in-groove sliding connection of joint has the wedge, through first spring fixed connection between wedge and the joint inslot bottom, be equipped with on the spout inside wall with wedge assorted draw-in groove.

Preferably, both ends all are equipped with smooth inclined plane around the wedge, two the inclined plane orientation is kept away from the direction of joint inslot bottom.

Preferably, telescopic machanism includes telescopic link and second spring, the second spring housing is established outside the telescopic link, the both ends of telescopic link and second spring respectively with connecting plate and the relative lateral wall fixed connection of extension board.

Preferably, actuating mechanism is equipped with the recess including setting up on the lateral wall of L template, the recess internal rotation is connected with two first threaded rods, two connect through the drive mechanism transmission between the first threaded rod, two the outer equal thread bush of first threaded rod is equipped with the screw thread piece, two the screw thread piece all with recess inside wall sliding connection, two the one end that the recess was kept away from to the screw thread piece bottom all with be located left riser fixed connection, one of them the one end of first threaded rod is rotated and is run through the first turning handle of L template and coaxial fixedly connected with.

Preferably, the transmission mechanism comprises two belt pulleys, the two belt pulleys are in transmission connection through a belt, and the two belt pulleys are respectively and fixedly connected with the two first threaded rods in a coaxial mode.

Preferably, slewing mechanism is including setting up the rotation groove in the mounting panel upper end, the rotation inslot internal rotation is connected with the second threaded rod, second threaded rod external thread cover is equipped with the turning block, the turning block rotates with the rotation inslot lateral wall and is connected, the upper end of turning block rotates and is connected with the rotor plate, the upper end of rotor plate rotates with the lower extreme of projecting apparatus to be connected, the one end of second threaded rod is rotated and is run through mounting panel and coaxial fixedly connected with second turning handle.

Preferably, the lower ends of the two vertical plates are fixedly connected with the same transverse plate, the lower ends of the transverse plates are fixedly connected with two second supporting legs, and rollers are fixedly mounted at the lower ends of the first supporting legs and the lower ends of the second supporting legs.

Preferably, the winding and unwinding mechanism is including setting up the chamber that receive and unwind that helps in the board, it has the piece that receive and unwind to receive and unwind intracavity sliding connection, the left end fixedly connected with who receives and unwind the piece pushes away the handle, help being equipped with on the lateral wall of board and receive and unwind a first bar through-hole of piece assorted, the right-hand member that receives and unwinds the piece is equipped with the spacing groove, sliding connection has the arc limiting plate in the spacing groove, through third spring fixed connection between arc limiting plate and the spacing inslot bottom, receive and unwind and be equipped with on the intracavity lateral wall with arc limiting plate assorted arc wall, place the board and receive and unwind and be connected through the deflector rotation, help being equipped with on the board with deflector assorted second bar through-hole.

Preferably, the display box is internally wound with display cloth, the right end of the display cloth is fixedly connected with a hook, and the hook is matched with the clamping rod.

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

1. by arranging the driving mechanism, the clamping mechanism and the telescopic mechanism, the rotating handle drives the two first threaded rods to rotate by rotating the rotating handle, the two first threaded rods drive the two threaded blocks to move, the two threaded blocks drive the vertical plate to move, the vertical plate drives the extension plate to move, when the extension plate moves to the right side of the learning-aid plate, the extension plate moves forwards under the action of the elastic force of the second spring until the front end face of the extension plate is level with the front end face of the learning-aid plate, at the moment, the two wedge-shaped blocks are clamped with the two clamping grooves, the display area of the learning-aid plate can be increased, and more contents can be displayed at one time;

2. by arranging the roller and the rotating mechanism, the learning-aid plate can be pushed when being transported, and the transporting is not required to be performed with great effort, so that the labor is saved, and the transporting is convenient; the second rotating handle is rotated to drive the second threaded rod to rotate, the second threaded rod drives the rotating block to move, the rotating block drives the projector to rotate through the rotating plate, the angle of the projector can be adjusted, and when thought, political and political treatment and teaching are carried out, teaching and showing can be carried out through multimedia, so that the teaching function is multiple;

3. through setting up jack and show box, push away the handle through promoting, push away the handle and drive and receive and release a lift, receive and release a lift of piece drive arc limiting plate, the arc limiting plate passes through the deflector and drives and place the board rotation, until suitable position, when the teaching, can place teaching aid, through the pulling couple, the couple drives the show cloth and expandes, until couple and joint pole articulate, can demonstrate the makesijizi principle basic principle knowledge structure picture through the show cloth this moment, be convenient for teach.

The teaching aid board can increase the display area of the teaching aid board, has more display contents, can be used for teaching through multimedia, can be used for placing teaching tools during teaching, can display the Marxist principle, and has more teaching functions.

Drawings

FIG. 1 is a front perspective view of a multi-functional learning aid system for an ideological and political education classroom according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a side perspective view of the multi-functional learning aid system for an ideological and political education classroom according to the present invention;

FIG. 4 is a perspective view showing a top structure of the multi-functional learning aid system for an ideological and political education classroom according to the present invention;

FIG. 5 is an enlarged view at B in FIG. 4;

fig. 6 is a schematic structural diagram of a driving mechanism in the multifunctional learning aid system for the ideological and political education classroom provided by the invention.

In the figure: 1 learning-aid plate, 2L-shaped plate, 3 extension plate, 4 vertical plates, 5 clamping mechanism, 6 connecting plate, 7 telescopic mechanism, 8 pull rod, 9 pull handle, 10 driving mechanism, 11 mounting plate, 12 projector, 13 rotating mechanism, 14 first supporting leg, 15 sliding slot, 16 sliding block, 17 clamping slot, 18 wedge-shaped block, 19 first spring, 20 clamping slot, 21 telescopic rod, 22 second spring, 23 groove, 24 first threaded rod, 25 transmission mechanism, 26 threaded block, 27 first rotating handle, 28 belt pulley, 29 rotating slot, 30 second threaded rod, 31 rotating block, 32 rotating plate, 33 second rotating handle, 34 transverse plate, 35 second supporting leg, 36 roller, 37 retracting mechanism, 38 placing plate, 39 display box, 40 clamping plate, 41 clamping rod, 42 retracting cavity, 43 retracting block, 44 pushing handle, 45 first strip-shaped through hole, 46 limiting slot, 47 arc-shaped limiting plate, 48 third spring, 49 arc-shaped grooves, 50 showing cloth, 51 hooks, 52 deflection plates and 53 second strip-shaped through holes.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-6, ideological and political education classroom is with multi-functional system of helping to learn, including helping board 1, help board 1's rear end fixedly connected with L template 2, sliding connection has extension board 3 between L template 2 and the board 1 of helping to learn, the equal sliding connection in both ends has riser 4 about extension board 3, connect through latch mechanism 5 joint between extension board 3 and the riser 4, it is concrete, latch mechanism 5 is including setting up spout 15 on riser 4 lateral wall, sliding connection has slider 16 in the spout 15, the lateral wall of slider 16 is equipped with joint groove 17, sliding connection has wedge 18 in joint groove 17, it is required to explain that both ends all are equipped with glossy inclined plane around wedge 18, two inclined planes are towards the direction of keeping away from the bottom in joint groove 17, through first spring 19 fixed connection between wedge 18 and the bottom in joint groove 17.

According to the invention, a clamping groove 20 matched with a wedge block 18 is formed in the inner side wall of a sliding groove 15, a connecting plate 6 is fixedly connected between two vertical plates 4, the connecting plate 6 is fixedly connected with an extension plate 3 through a plurality of telescopic mechanisms 7, further, each telescopic mechanism 7 comprises a telescopic rod 21 and a second spring 22, each second spring 22 is sleeved outside each telescopic rod 21, two ends of each telescopic rod 21 and each second spring 22 are respectively and fixedly connected with the corresponding side wall of the connecting plate 6 and the corresponding side wall of the corresponding extension plate 3, a pull rod 8 is fixedly connected to the rear end of each extension plate 3, one end, far away from the corresponding extension plate 3, of each pull rod 8 penetrates through the corresponding connecting plate 6 in a sliding mode and is coaxially and fixedly connected with a pull handle 9, a driving mechanism 10 for driving the corresponding extension plate 3 is arranged on each L-shaped plate 2, further, each driving mechanism 10 comprises a groove 23 formed in the side wall of the corresponding L-shaped plate 2, and two first threaded rods 24 are rotatably connected in the grooves 23.

In the invention, two first threaded rods 24 are in transmission connection through a transmission mechanism 25, further, the transmission mechanism 25 comprises two belt pulleys 28, the two belt pulleys 28 are in transmission connection through a belt, the two belt pulleys 28 are respectively coaxially and fixedly connected with the two first threaded rods 24, thread blocks 26 are respectively sleeved outside the two first threaded rods 24, the two thread blocks 26 are both in sliding connection with the inner side wall of the groove 23, one ends of the two thread blocks 26, which are far away from the inner bottom of the groove 23, are both fixedly connected with a vertical plate 4 positioned on the left side, one end of one first threaded rod 24 rotatably penetrates through the L-shaped plate 2 and is coaxially and fixedly connected with a first rotating handle 27, the upper ends of the learning assisting plate 1 and the L-shaped plate 2 are fixedly connected with a same mounting plate 11, a projector 12 is mounted at the upper end of the mounting plate 11, and a rotating mechanism 13 for rotating the projector 12 is arranged on the mounting plate 11, it is worth mentioning that the rotation mechanism 13 comprises a rotation slot 29 provided at an upper end of the mounting plate 11.

In the invention, a second threaded rod 30 is rotatably connected in a rotating groove 29, a rotating block 31 is sleeved on the outer thread of the second threaded rod 30, the rotating block 31 is rotatably connected with the inner side wall of the rotating groove 29, the upper end of the rotating block 31 is rotatably connected with a rotating plate 32, the upper end of the rotating plate 32 is rotatably connected with the lower end of a projector 12, one end of the second threaded rod 30 rotatably penetrates through a mounting plate 11 and is coaxially and fixedly connected with a second rotating handle 33, the front end of an auxiliary board 1 is rotatably connected with a placing plate 38, a retracting mechanism 37 for retracting and releasing the placing plate 38 is arranged on the auxiliary board 1, the retracting mechanism 37 comprises a retracting and releasing cavity 42 arranged in the auxiliary board 1, a retracting and releasing block 43 is slidably connected in the retracting and releasing cavity 42, a push handle 44 is fixedly connected with the left end of the retracting and releasing block 43, and a first strip-shaped through hole 45 matched with the retracting and releasing block 43 is arranged on the side wall of the auxiliary board 1.

In the invention, a limit groove 46 is arranged at the right end of the retraction block 43, an arc-shaped limit plate 47 is connected in the limit groove 46 in a sliding manner, the arc-shaped limit plate 47 is fixedly connected with the bottom in the limit groove 46 through a third spring 48, an arc-shaped groove 49 matched with the arc-shaped limit plate 47 is arranged on the inner side wall of the retraction cavity 42, the placing plate 38 is rotatably connected with the retraction block 43 through a deflection plate 52, a second strip-shaped through hole 53 matched with the deflection plate 52 is arranged on the teaching aid plate 1, the display box 39 is fixedly arranged at the front end of the teaching aid plate 1, further, a display cloth 50 is wound in the display box 39, it is noted that the display cloth 50 is rotatably connected with the display box 39 through a volute spiral spring and a rotating shaft, a Marx principle basic principle structure diagram is engraved on the display cloth 50, a hook 51 is fixedly connected at the right end of the display cloth 50, and the hook 51 is matched with the clamping rod 41.

In the invention, two clamping plates 40 are fixedly connected to the right end of a vertical plate 4 on the right side, a clamping rod 41 is fixedly connected between the two clamping plates 40, two first supporting legs 14 are fixedly connected to the lower ends of a learning aid plate 1 and an L-shaped plate 2, it should be noted that the lower ends of the two vertical plates 4 are fixedly connected with the same transverse plate 34, two second supporting legs 35 are fixedly connected to the lower end of the transverse plate 34, it is worth mentioning that the four first supporting legs 14 are obliquely arranged, the two second supporting legs 35 are vertically arranged, the gravity center of the learning aid system can be stabilized, the stability of the learning aid system is increased, rollers 36 are fixedly mounted at the lower ends of the first supporting legs 14 and the second supporting legs 35, and it should be noted that the rollers 36 are self-locking universal wheels.

When the teaching aid is used, the first rotating handle 27 is rotated, the first rotating handle 27 drives one of the first threaded rods 24 to rotate, one of the first threaded rods 24 drives the other first threaded rod 24 to rotate through the two belt pulleys 28 and the belt, the two first threaded rods 24 drive the two threaded blocks 26 to move, the two threaded blocks 26 drive the vertical plate 4 to move, the vertical plate 4 drives the extension plate 3 to move, when the extension plate 3 moves to the right side of the teaching aid plate 1, the extension plate 3 moves forwards under the action of the elastic force of the second spring 22 until the front end face of the extension plate 3 is equal to the front end face of the teaching aid plate 1, at the moment, the two wedge-shaped blocks 18 are clamped with the two clamping grooves 20, and the display area of the teaching aid plate 1 can be increased; through rotating second turning handle 33, second turning handle 33 drives second threaded rod 30 and rotates, second threaded rod 30 drives turning block 31 and removes, turning block 31 drives projecting apparatus 12 through rotor plate 32 and rotates, can adjust the angle of projecting apparatus 12, when carrying out ideological and political control and education, the accessible multimedia demonstrates of imparting knowledge to students, push away handle 44 through the promotion, push away handle 44 and drive and receive and release piece 43 and go up and down, receive and release piece 43 and drive through deflection plate 52 and place board 38 and rotate, it can until suitable position.

When the invention displays the Marxist basic principle knowledge structure chart, the hook 51 is pulled, and the hook 51 drives the display cloth 50 to be unfolded until the hook 51 is hooked with the clamping rod 41.

When the learning-aid system is folded, the pull handle 9 is pulled, the pull handle 9 drives the extension plate 3 to move through the pull rod 8 until the front end of the extension plate 3 is positioned at the rear side of the learning-aid plate 1, at the moment, the first rotating handle 27 is rotated reversely until the extension plate 3 moves into the L-shaped plate 2, and then the folding of the learning-aid system can be completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. Ideological and political education classroom is with multi-functional system of helping to learn, including helping board (1), its characterized in that, the rear end fixedly connected with L template (2) of helping board (1), sliding connection has extension board (3) between L template (2) and the board of helping to learn (1), the equal sliding connection in both ends has riser (4) about extension board (3), through clamping mechanism (5) joint, two between extension board (3) and riser (4) fixedly connected with connecting plate (6) between riser (4), through a plurality of telescopic machanism (7) fixed connection between connecting plate (6) and extension board (3), the rear end fixedly connected with pull rod (8) of extension board (3), one end that extension board (3) were kept away from in pull rod (8) slides and runs through connecting plate (6) and coaxial fixedly connected with pull handle (9), the L-shaped plate (2) is provided with a driving mechanism (10) for driving the extension plate (3), the upper ends of the learning-aid plate (1) and the L-shaped plate (2) are fixedly connected with the same mounting plate (11), the projector (12) is installed at the upper end of the mounting plate (11), a rotating mechanism (13) used for rotating the projector (12) is arranged on the mounting plate (11), the front end of the learning-assisting plate (1) is rotatably connected with a placing plate (38), the learning-assisting plate (1) is provided with a retracting mechanism (37) for retracting the placing plate (38), a display box (39) is fixedly arranged at the front end of the learning-aid plate (1), two clamping plates (40) are fixedly connected at the right end of the vertical plate (4) positioned at the right side, a clamping rod (41) is fixedly connected between the two clamping plates (40), the lower ends of the learning-assisting plate (1) and the L-shaped plate (2) are fixedly connected with two first supporting feet (14).

2. The multifunctional learning-aid system for the ideological and political education classroom according to claim 1, characterized in that the clamping mechanism (5) comprises a sliding groove (15) formed in the side wall of a vertical plate (4), a sliding block (16) is connected in the sliding groove (15), a clamping groove (17) is formed in the side wall of the sliding block (16), a wedge block (18) is connected in the clamping groove (17) in a sliding mode, the wedge block (18) is fixedly connected with the bottom in the clamping groove (17) through a first spring (19), and a clamping groove (20) matched with the wedge block (18) is formed in the inner side wall of the sliding groove (15).

3. The multifunctional learning aid system for the ideological and political education classroom according to claim 2, characterized in that the front end and the rear end of the wedge-shaped block (18) are provided with smooth inclined surfaces, and the two inclined surfaces face a direction far away from the bottom in the clamping groove (17).

4. The multifunctional learning aid system for the ideological and political education classroom according to claim 1, characterized in that the telescopic mechanism (7) comprises a telescopic rod (21) and a second spring (22), the second spring (22) is sleeved outside the telescopic rod (21), and two ends of the telescopic rod (21) and the second spring (22) are respectively fixedly connected with the opposite side walls of the connecting plate (6) and the extending plate (3).

5. The multifunctional learning aid system for the ideological and political education classroom according to claim 1, characterized in that the driving mechanism (10) comprises a groove (23) formed in the side wall of the L-shaped plate (2), two first threaded rods (24) are rotationally connected in the groove (23), the two first threaded rods (24) are in transmission connection through a transmission mechanism (25), two first threaded rods (24) are externally and uniformly sleeved with threaded blocks (26), the two threaded blocks (26) are respectively in sliding connection with the inner side wall of the groove (23), the two threaded blocks (26) are far away from one end of the inner bottom of the groove (23) and are fixedly connected with a vertical plate (4) on the left side, one end of the first threaded rod (24) is rotated to penetrate through the L-shaped plate (2) and are coaxially and fixedly connected with a first rotating handle (27).

6. The multifunctional learning aid system for the ideological and political education classroom according to claim 5, characterized in that the transmission mechanism (25) comprises two belt pulleys (28), the two belt pulleys (28) are in transmission connection through a belt, and the two belt pulleys (28) are respectively and fixedly connected with the two first threaded rods (24) in a coaxial manner.

7. The multifunctional learning aid system for the ideological and political education classroom according to claim 5, characterized in that the rotating mechanism (13) comprises a rotating groove (29) arranged at the upper end of the mounting plate (11), a second threaded rod (30) is rotationally connected in the rotating groove (29), a rotating block (31) is sleeved on an external thread of the second threaded rod (30), the rotating block (31) is rotationally connected with the inner side wall of the rotating groove (29), a rotating plate (32) is rotationally connected at the upper end of the rotating block (31), the upper end of the rotating plate (32) is rotationally connected with the lower end of the projector (12), and one end of the second threaded rod (30) is rotationally connected with a second rotating handle (33) which penetrates through the mounting plate (11) and is coaxially and fixedly connected with the second rotating handle.

8. The multifunctional learning aid system for the ideological and political education classroom according to claim 5, characterized in that the lower ends of the two vertical plates (4) are fixedly connected with the same transverse plate (34), the lower end of the transverse plate (34) is fixedly connected with two second supporting feet (35), and the lower ends of the first supporting foot (14) and the second supporting foot (35) are both fixedly provided with rollers (36).

9. The multifunctional teaching assistant system for the ideological and political education classroom according to claim 1, wherein the retraction mechanism (37) comprises a retraction cavity (42) arranged in the teaching assistant plate (1), the retraction cavity (42) is internally and slidably connected with a retraction block (43), the left end of the retraction block (43) is fixedly connected with a push handle (44), the side wall of the teaching assistant plate (1) is provided with a first strip-shaped through hole (45) matched with the retraction block (43), the right end of the retraction block (43) is provided with a limit groove (46), the limit groove (46) is internally and slidably connected with an arc-shaped limit plate (47), the arc-shaped limit plate (47) is fixedly connected with the bottom in the limit groove (46) through a third spring (48), the inner side wall of the retraction cavity (42) is provided with an arc-shaped groove (49) matched with the arc-shaped limit plate (47), the placement plate (38) is rotatably connected with the retraction block (43) through an arc-shaped plate (52), the learning-assisting plate (1) is provided with a second strip-shaped through hole (53) matched with the deflection plate (52).

10. The multifunctional learning aid system for the ideological and political education classroom according to claim 1, characterized in that a display cloth (50) is wound in the display box (39), a hook (51) is fixedly connected to the right end of the display cloth (50), and the hook (51) is matched with the clamping rod (41).