CN214068284U - Moral and law education display device - Google Patents

Abstract

The application discloses moral and law therapy education display device, including support frame, show board, universal wheel, fixed pin, turning block, reset coil spring, round bar, spring one, depression bar, drum, L type groove, slider, T type piece, square, spring two, square groove, magnetic ring, U type piece, T type taper block, spring three, card hole, fastening bolt, spring four, U type pole, oblique type groove and nut. This application turning block rotates inside getting into U type piece, the turning block rotates and extrudees T type awl piece, make T type awl piece remove to spring three stretch, when card hole on the turning block aligns with T type awl piece, under the effect of three elasticity of spring, T type awl piece removes and gets into inside the card hole, twist fastening bolt, make fastening bolt remove along the nut, fastening bolt removes and drives U type pole and remove, U type pole removes and gets into oblique type inslot portion, and it gets into inside the card hole completely to promote T type awl piece inwards remove, and then with the turning block joint inside U type piece.

Description

Moral and law education display device

Technical Field

The application relates to an education display device, in particular to a moral and law treatment education display device.

Background

The moral and the law treatment are indispensable literacy for the comprehensive development of students and are also key factors for the harmony and stability of society, so that junior middle school moral and law treatment teachers need to deeply recognize the important responsibility of students in the aspects of growth and the harmony and stability of society, actively innovate a classroom teaching mode, enrich classroom teaching contents and comprehensively cultivate the law treatment consciousness of students.

Moral and law treatment education display device that traditional used have certain defect, lack fixture, cause inconvenient will demonstrate the poster centre gripping at the show board front end, and then inconvenient change the show poster, lack installation mechanism, cause the convenient dismouting maintenance of inconvenient depression bar, cause the damage of depression bar and spring easily, lack latch mechanism, cause the position of inconvenient fixed turning block, and then inconvenient will demonstrate the poster and lay flatly at the show board front end. Therefore, a moral and legal education demonstration device is provided for solving the above problems.

SUMMERY OF THE UTILITY MODEL

A moral and law education display device comprises a support frame, a display plate, universal wheels, a clamping mechanism, an installation mechanism and a clamping mechanism, wherein the display plate is installed inside the support frame, and more than two universal wheels are evenly installed at the bottom end of the support frame;

the clamping mechanism comprises a fixed pin, a rotating block, a reset coil spring, a round rod, a first spring and a pressure rod, wherein two grooves are symmetrically formed in the front end of the display board, the fixed pin is fixedly arranged in each groove, the rotating block and the reset coil spring are arranged on the annular side face of the fixed pin, the outer side of the reset coil spring is fixedly arranged in the rotating block, one end of the rotating block extends to the outer side of each groove, the round rod is arranged at the front end of the rotating block, the rear end of the round rod penetrates through the rotating block, the pressure rod is fixedly arranged at the rear end of the round rod, the first spring is arranged on the annular side face of the round rod, and two ends of the first spring are respectively attached to the pressure rod and the rotating block;

the installation mechanism comprises a cylinder, L-shaped grooves, sliding blocks, T-shaped blocks, square blocks and a second spring, the cylinder is installed on the annular side face of the round rod, the rear end of the cylinder is attached to the front end of the rotating block, the two L-shaped grooves are symmetrically formed in the annular side face of the cylinder, the two sliding blocks are symmetrically and fixedly installed in the cylinder, the sliding blocks are installed in the L-shaped grooves, the T-shaped block is installed at the front end of the cylinder, the second spring is installed on the annular side face of the T-shaped block, the two ends of the second spring are fixedly installed on the T-shaped block and the front end of the cylinder respectively, the rear end of the T-shaped block extends into the cylinder, the square blocks are fixedly installed at the rear end of the T-shaped block, and square clothes extend into the round rod;

clamping mechanism includes two U type pieces of symmetrical fixed mounting of support frame front end, T type awl piece, three springs, fastening bolt, four springs and U type pole, T type awl piece is installed to both ends symmetry about the U type piece, install three springs on the T type awl piece annular side, and three both ends of spring fixed mounting respectively on U type piece and T type awl piece, U type piece inside fixed mounting has four springs, and four other end fixed mounting of spring have U type pole, and U type pole one end laminates with T type awl piece mutually, fastening bolt is installed to U type piece one end, and fastening bolt one end extends to U type piece inside and U type pole laminates mutually.

Furthermore, circular through-hole has been seted up on the turning block top, reset coil spring outside fixed mounting is inside circular through-hole, fixed pin annular side goes up fixed mounting miniature bearing, and miniature bearing outside fixed mounting is inside circular through-hole.

Furthermore, a magnetic ring is fixedly installed inside the cylinder, the magnetic ring is fixedly installed on the outer side of the annular side face of the T-shaped block, a square groove is formed in the front end of the round rod, and the size of the cross section of the square groove is the same as that of the cross section of the square block.

Furthermore, the L-shaped groove is composed of a vertical groove and a transverse groove, two vertical grooves and two transverse grooves are symmetrically formed in the annular side face of the round rod, and one end of each transverse groove is communicated with the corresponding vertical groove.

Further, a nut is installed on the annular side face of the fastening bolt, and the outer side of the nut is fixedly installed inside the U-shaped block.

Furthermore, an inclined groove is formed in one end of the T-shaped conical block, and one end of the U-shaped rod is flush with the bottom end inside the inclined groove.

Furthermore, clamping holes are symmetrically formed in the upper end and the lower end of the rotating block, and the size of the cross section of each clamping hole is the same as that of the cross section of the T-shaped conical block.

Furthermore, the clamping mechanisms are two groups, the clamping mechanisms are the same in structure, and the clamping mechanisms are symmetrically arranged at the left end and the right end of the display board.

Furthermore, the clamping mechanism is provided with two groups, the two groups are the same in structure, and the two groups are symmetrically arranged at the front end of the support frame.

Further, the rotating pin is installed to both ends symmetry about the show board, and the rotating pin rotates and installs inside the support frame, fixing bolt is installed on the support frame top, and the fixing bolt bottom laminates with the rotating pin annular side mutually.

The beneficial effect of this application is: the application provides a moral and legal medical treatment education display device with convenient joint turning block, convenient installation depression bar and convenient centre gripping installation show poster function.

The application has the advantages that:

1. lay the show poster flatly at the show board front end, under the effect of the torsion of the coil spring that resets, the turning block rotates and drives the depression bar and remove and reset, and then make depression bar and show poster laminating, and then extrude spring one, make spring one produce elasticity, the depression bar and the laminating of show poster of being convenient for of the elasticity of spring one, the completion is to show poster centre gripping installation, it lacks fixture to have solved, cause inconvenient will show poster centre gripping at the show board front end, and then inconvenient carry out the problem of changing to the show poster.

2. Install the drum on round bar annular side, make the slider install in the cross slot inside in L type groove, promote the drum and remove and drive the slider and remove to the cross slot end, rotate the drum after that, make the slider remove to erecting inslot portion, when the slider removes to erecting inslot end, the square aligns with the square groove, promote T type piece, T type piece removes and drives the square removal and separates with the magnetic ring, under the effect of two elastic forces of spring, T type piece removes and drives the square removal and get into the square inslot portion, and then the position of fixed drum, the problem of lacking installation mechanism has been solved, cause the convenient dismouting maintenance of inconvenient depression bar, cause the drawback of depression bar and a spring damage easily.

3. Inside the turning block rotated and got into U type piece, the turning block rotated and extrudeed T type taper block, make T type taper block remove and stretch three springs, when card hole on the turning block aligns with T type taper block, under the effect of three elastic forces of spring, T type taper block removes and gets into inside the card hole, screw fastening bolt after that, make fastening bolt remove along the nut, fastening bolt removes and drives U type pole removal, U type pole removes and gets into the oblique type inslot portion, and promote inside T type taper block inward movement completely gets into inside the card hole, and then with the turning block joint inside U type piece, conveniently tile the show poster at the show board front end, it lacks joint mechanism to have solved, cause the position of inconvenient fixed turning block, and then inconvenient tile the problem at the show board front end with the show poster.

Drawings

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

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a schematic view of a clamping mechanism according to an embodiment of the present application;

FIG. 3 is a schematic view of an assembly structure of a round bar and a cylinder according to an embodiment of the present application;

fig. 4 is a schematic view illustrating an assembly structure of a fixture block and a clamping groove according to an embodiment of the present application;

FIG. 5 is a schematic structural view of a clamping mechanism according to an embodiment of the present application;

FIG. 6 is an enlarged view of a portion of an embodiment of the present application at A.

In the figure: 1. the display device comprises a support frame, 2, a display board, 3, a universal wheel, 4, a fixing pin, 5, a rotating block, 6, a reset coil spring, 7, a round rod, 8, a first spring, 9, a pressure rod, 10, a cylinder, 11, an L-shaped groove, 12, a sliding block, 13, a T-shaped block, 14, a square block, 15, a second spring, 16, a square groove, 17, a magnetic ring, 18, a U-shaped block, 19, a T-shaped conical block, 20, a third spring, 21, a clamping hole, 22, a fastening bolt, 23, a fourth spring, 24, a U-shaped rod, 25, an inclined groove, 26 and a nut.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application 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 should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, 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 this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used 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 meaning of these terms in this application will be understood by those of ordinary skill 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

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

Referring to fig. 1-6, a moral and law education and display device comprises a support frame 1, a display plate 2, universal wheels 3, a clamping mechanism, an installation mechanism and a clamping mechanism, wherein the display plate 2 is installed inside the support frame 1, and more than two universal wheels 3 are evenly installed at the bottom end of the support frame 1;

the clamping mechanism comprises a fixed pin 4, a rotating block 5, a reset coil spring 6, a round rod 7, a first spring 8 and a pressure lever 9, two grooves are symmetrically formed in the front end of the display board 2, the fixed pin 4 is fixedly installed inside the grooves, the rotating block 5 and the reset coil spring 6 are installed on the annular side face of the fixed pin 4, the outer side of the reset coil spring 6 is fixedly installed inside the rotating block 5, one end of the rotating block 5 extends to the outer side of the grooves, the round rod 7 is installed at the front end of the rotating block 5, the rear end of the round rod 7 penetrates through the rotating block 5, the pressure lever 9 is fixedly installed at the rear end of the round rod 7, the first spring 8 is installed on the annular side face of the round rod 7, two ends of the first spring 8 are respectively attached to the pressure lever 9 and the rotating block 5, a user rotates the rotating block 5 around the fixed pin 4, the rotating block 5 rotates to extrude the reset coil spring 6, the rotating block 5 rotates to drive the pressure lever 9 to rotate around the fixed pin 4, the pressing rod 9 is separated from the display board 2, the display poster is flatly laid at the front end of the display board 2, the rotating block 5 rotates to drive the pressing rod 9 to move and reset under the action of the torsion of the reset coil spring 6, the pressing rod 9 is attached to the display poster, the first spring 8 is extruded, the first spring 8 generates elastic force, the elastic force of the first spring 8 facilitates the attachment of the pressing rod 9 to the display poster, and the clamping and installation of the display poster are completed;

the installation mechanism comprises a cylinder 10, an L-shaped groove 11, a sliding block 12, a T-shaped block 13, a square block 14 and a second spring 15, the cylinder 10 is installed on the annular side surface of the round rod 7, the rear end of the cylinder 10 is attached to the front end of the rotating block 5, the two L-shaped grooves 11 are symmetrically formed in the annular side surface of the cylinder 10, the two sliding blocks 12 are symmetrically and fixedly installed in the cylinder 10, the sliding blocks 12 are installed in the L-shaped groove 11, the T-shaped block 13 is installed at the front end of the cylinder 10, the second spring 15 is installed on the annular side surface of the T-shaped block 13, two ends of the second spring 15 are respectively and fixedly installed on the T-shaped block 13 and the front end of the cylinder 10, the rear end of the T-shaped block 13 extends into the cylinder 10, the square block 14 is fixedly installed at the rear end of the T-shaped block 13, the square block 14 extends into the round rod 7, the T, the T-shaped block 13 moves to stretch the second spring 15, the elastic force of the second spring 15 is smaller than the adsorption force between the magnetic ring 17 and the square block 14, the position of the square block 14 is further fixed, a user installs the cylinder 10 on the annular side face of the round rod 7, so that the slider 12 is installed inside a transverse groove of the L-shaped groove 11, the cylinder 10 is pushed to move to drive the slider 12 to move to the end of the transverse groove, then the cylinder 10 is rotated to drive the slider 12 to move to the inside of a vertical groove, when the slider 12 moves to the end of the vertical groove, the square block 14 is aligned with the square groove 16, the T-shaped block 13 is pushed, the T-shaped block 13 moves to drive the square block 14 to move to be separated from the magnetic ring 17, under the action of the elastic force of the second spring 15, the T-shaped block 13 moves to drive the square block 14 to move to enter the square groove 16, the position of the cylinder 10 is further fixed, and the installation of the round rod 7 and the pressure rod 9 is completed;

the clamping mechanism comprises a U-shaped block 18, a T-shaped conical block 19, a third spring 20, a fastening bolt 22, a fourth spring 23 and a U-shaped rod 24, the front end of the support frame 1 is symmetrically and fixedly provided with the two U-shaped blocks 18, the upper end and the lower end of each U-shaped block 18 are symmetrically provided with the T-shaped conical blocks 19, the annular side surface of each T-shaped conical block 19 is provided with the third spring 20, the two ends of each third spring 20 are respectively and fixedly arranged on the U-shaped blocks 18 and the T-shaped conical blocks 19, the fourth spring 23 is fixedly arranged in each U-shaped block 18, the other end of each fourth spring 23 is fixedly provided with the U-shaped rod 24, one end of each U-shaped rod 24 is attached to the corresponding T-shaped conical block 19, one end of each U-shaped block 18 is provided with the fastening bolt 22, one end of each fastening bolt 22 extends into the corresponding U-shaped block 18 and is attached to the corresponding U-shaped rod 24, a user rotates the rotating block 5, the rotating block 5 enters the U-shaped block 18, and rotates to extrude the T-shaped conical blocks 19, make T type awl piece 19 remove and stretch three 20 springs, card hole 21 on the turning block 5 aligns with T type awl piece 19, under the effect of three 20 spring forces, T type awl piece 19 removes inside getting into card hole 21, screw fastening bolt 22 after that, make fastening bolt 22 remove along nut 26, fastening bolt 22 removes and drives U type pole 24 and remove, U type pole 24 removes inside getting into oblique groove 25, and promote inside the getting into card hole 21 completely of T type awl piece 19 inward movement, and then inside the 5 joint of turning block in U type piece 18, conveniently tile the show poster at the 2 front ends of show board, U type pole 24 removes and stretches four 23 springs, the elasticity of four 23 springs is convenient for U type pole 24's removal and resets.

A circular through hole is formed in the top end of the rotating block 5, the outer side of the reset coil spring 6 is fixedly installed in the circular through hole, a miniature bearing is fixedly installed on the annular side face of the fixing pin 4, and the outer side of the miniature bearing is fixedly installed in the circular through hole; a magnetic ring 17 is fixedly arranged in the cylinder 10, the magnetic ring 17 is fixedly arranged on the outer side of the annular side face of the T-shaped block 13, a square groove 16 is formed in the front end of the round rod 7, and the size of the cross section of the square groove 16 is the same as that of the cross section of the square block 14; the L-shaped groove 11 consists of a vertical groove and a transverse groove, two vertical grooves and two transverse grooves are symmetrically formed in the annular side surface of the round rod 7, and one end of each transverse groove is communicated with the vertical groove; a nut 26 is arranged on the annular side surface of the fastening bolt 22, and the outer side of the nut 26 is fixedly arranged in the U-shaped block 18; one end of the T-shaped conical block 19 is provided with an inclined groove 25, and one end of the U-shaped rod 24 is flush with the bottom end inside the inclined groove 25; the upper end and the lower end of the rotating block 5 are symmetrically provided with clamping holes 21, and the size of the cross section of each clamping hole 21 is the same as that of the cross section of the T-shaped conical block 19; the two groups of clamping mechanisms are same in structure and are symmetrically arranged at the left end and the right end of the display board 2; the clamping mechanisms are provided with two groups, the two groups of clamping mechanisms have the same structure, and the two groups of clamping mechanisms are symmetrically arranged at the front end of the support frame 1; rotating pins are symmetrically installed at the left end and the right end of the display board 2, the rotating pins are rotatably installed inside the support frame 1, fixing bolts are installed at the top end of the support frame 1, and the bottom ends of the fixing bolts are attached to the annular side faces of the rotating pins.

This application is when using, with the show poster flatly spread at 2 front ends of show boards, under the effect of the 6 torsional forces of reset coil spring, turning block 5 rotates and drives depression bar 9 and remove and reset, and then makes depression bar 9 and the laminating of show poster, and then extrudees spring 8 for spring 8 produces elasticity, and the depression bar 9 of being convenient for of spring 8 is laminated with the show poster, accomplishes the installation to show poster centre gripping.

Install drum 10 on round bar 7 annular side for slider 12 installs in the cross slot inside L type groove 11, promote drum 10 to move and drive slider 12 and move to the cross slot end, rotate drum 10 afterwards, make slider 12 move to the interior of vertical slot, when slider 12 moved to the vertical slot end, square 14 aligns with square groove 16, promote T type piece 13, T type piece 13 moves and drives square 14 and remove and separate with magnetic ring 17, under the effect of two 15 elasticity springs, T type piece 13 moves and drives square 14 and move and get into square groove 16 inside, and then the position of fixed drum 10.

The turning block 5 rotates inside getting into U type piece 18, the turning block 5 rotates and extrudes T type awl piece 19, make T type awl piece 19 remove and stretch three 20 springs, when card hole 21 on the turning block 5 aligns with T type awl piece 19, under the effect of three 20 spring forces of spring, T type awl piece 19 removes inside getting into card hole 21, screw fastening bolt 22 after that, make fastening bolt 22 remove along nut 26, fastening bolt 22 removes and drives U type pole 24 and remove, U type pole 24 removes inside getting into oblique groove 25, and inside promoting T type awl piece 19 inward movement and getting into card hole 21 completely, and then with the turning block 5 joint inside U type piece 18, conveniently tile the show poster 2 front ends.

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

Claims (10)

1. The utility model provides a moral and law education display device which characterized in that: the device comprises a support frame (1), a display board (2), universal wheels (3), a clamping mechanism, an installation mechanism and a clamping mechanism, wherein the display board (2) is installed in the support frame (1), and more than two universal wheels (3) are uniformly installed at the bottom end of the support frame (1);

the clamping mechanism comprises a fixed pin (4), a rotating block (5), a reset coil spring (6), a round rod (7), a first spring (8) and a pressure rod (9), two grooves are symmetrically formed in the front end of the display board (2), a fixed pin (4) is fixedly arranged in the groove, a rotating block (5) and a reset coil spring (6) are arranged on the annular side surface of the fixed pin (4), and the outer side of the reset coil spring (6) is fixedly arranged in the rotating block (5), one end of the rotating block (5) extends to the outer side of the groove, a round rod (7) is arranged at the front end of the rotating block (5), the rear end of the round rod (7) penetrates through the rotating block (5), a pressure lever (9) is fixedly arranged at the rear end of the round rod (7), a first spring (8) is arranged on the annular side surface of the round rod (7), two ends of the first spring (8) are respectively attached to the pressure lever (9) and the rotating block (5);

the installation mechanism comprises a cylinder (10), L-shaped grooves (11), sliders (12), a T-shaped block (13), a square block (14) and a second spring (15), wherein the cylinder (10) is installed on the annular side surface of the round rod (7), the rear end of the cylinder (10) is attached to the front end of the rotating block (5), the two L-shaped grooves (11) are symmetrically formed in the annular side surface of the cylinder (10), the two sliders (12) are symmetrically and fixedly installed in the cylinder (10), the sliders (12) are installed in the L-shaped grooves (11), the T-shaped block (13) is installed at the front end of the cylinder (10), the second spring (15) is installed on the annular side surface of the T-shaped block (13), the two ends of the second spring (15) are respectively and fixedly installed on the T-shaped block (13) and at the front end of the cylinder (10), the rear end of the T-shaped block (13) extends into the cylinder (10), the square block (14) is fixedly installed at the rear end of the T-shaped block (13), and the square block (14) is extended to the inside of the round rod (7);

the clamping mechanism comprises a U-shaped block (18), a T-shaped conical block (19), a spring III (20), a fastening bolt (22), a spring IV (23) and a U-shaped rod (24), two U-shaped blocks (18) are symmetrically and fixedly arranged at the front end of the support frame (1), T-shaped conical blocks (19) are symmetrically arranged at the upper end and the lower end of each U-shaped block (18), a third spring (20) is arranged on the annular side surface of the T-shaped conical block (19), two ends of a third spring (20) are respectively fixedly arranged on the U-shaped block (18) and the T-shaped taper block (19), a fourth spring (23) is fixedly arranged in the U-shaped block (18), and the other end of the spring four (23) is fixedly provided with a U-shaped rod (24), one end of the U-shaped rod (24) is attached to the T-shaped conical block (19), one end of the U-shaped block (18) is provided with a fastening bolt (22), and one end of the fastening bolt (22) extends into the U-shaped block (18) and is jointed with the U-shaped rod (24).

2. The moral and legal education presentation device of claim 1, wherein: circular through-hole has been seted up on turning block (5) top, reset coil spring (6) outside fixed mounting is inside circular through-hole, fixed pin (4) fixed mounting miniature bearing on the annular side, and miniature bearing outside fixed mounting is inside circular through-hole.

3. The moral and legal education presentation device of claim 1, wherein: the magnetic ring (17) is fixedly installed inside the cylinder (10), the magnetic ring (17) is fixedly installed on the outer side of the annular side face of the T-shaped block (13), a square groove (16) is formed in the front end of the round rod (7), and the size of the cross section of the square groove (16) is the same as that of the cross section of the square block (14).

4. The moral and legal education presentation device of claim 1, wherein: the L-shaped groove (11) is composed of vertical grooves and transverse grooves, two vertical grooves and two transverse grooves are symmetrically formed in the annular side face of the round rod (7), and one end of each transverse groove is communicated with the corresponding vertical groove.

5. The moral and legal education presentation device of claim 1, wherein: and a nut (26) is arranged on the annular side surface of the fastening bolt (22), and the outer side of the nut (26) is fixedly arranged in the U-shaped block (18).

6. The moral and legal education presentation device of claim 1, wherein: oblique groove (25) have been seted up to T type awl piece (19) one end, U type pole (24) one end and the inside bottom parallel and level in oblique groove (25).

7. The moral and legal education presentation device of claim 1, wherein: the upper end and the lower end of the rotating block (5) are symmetrically provided with clamping holes (21), and the size of the cross section of each clamping hole (21) is the same as that of the cross section of the T-shaped conical block (19).

8. The moral and legal education presentation device of claim 1, wherein: the clamping mechanisms are two groups, the structures of the two groups of clamping mechanisms are the same, and the two groups of clamping mechanisms are symmetrically arranged at the left end and the right end of the display board (2).

9. The moral and legal education presentation device of claim 1, wherein: the clamping mechanisms are two groups, the clamping mechanisms are the same in structure, and the clamping mechanisms are symmetrically arranged at the front end of the support frame (1).

10. The moral and legal education presentation device of claim 1, wherein: the display board is characterized in that rotating pins are symmetrically installed at the left end and the right end of the display board (2), the rotating pins are rotatably installed inside the support frame (1), fixing bolts are installed at the top end of the support frame (1), and the bottom ends of the fixing bolts are attached to the annular side faces of the rotating pins.

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