Educational knowledge propaganda device

Abstract

The utility model relates to the technical field of propaganda columns, in particular to an educational knowledge propaganda device which comprises a base assembly, a supporting assembly installed on the base assembly and a propaganda assembly installed on the supporting assembly. Compared with the prior art, the display mechanism has the advantages that by arranging the rotation stopping mechanism controlled in a treading mode, the third supporting rod capable of ascending and descending and the angle adjusting mechanism, the display angle in the horizontal direction, the pitching angle in the vertical direction and the display height of the display mechanism can be conveniently and rapidly adjusted, convenience is improved, and practicability is high. According to the device, adaptive adjustment can be conducted according to the exhibition and propaganda environment, by arranging the stretchable extension plate, the size of the exhibition plate can be expanded when the size of the exhibition plate cannot meet the use requirement, more content can be exhibited at the same time, propaganda continuity is guaranteed, and the propaganda effect is improved; and the device is convenient to move and can be moved to a proper position for propaganda as required.

Description

Technical Field

[0001] The utility model relates to the technical field of propaganda columns, in particular to an educational knowledge propaganda device. Background Art

[0002] Ideological and political education refers to education that affects people's ideological and political views in a broad sense, and education that forms a certain world view and outlook on life in a narrow sense. At present, ideological and political education propaganda devices are installed in campuses, institutions and communities. Traditional ideological and political education propaganda devices are mostly in the form of propaganda columns, which are generally fixed in a certain place, and most of the propaganda boards are of fixed size, which is relatively limited to the displayed picture knowledge, greatly reducing the efficiency of propaganda knowledge education. For example, the patent with announcement number CN214955908U discloses a new type of management education propaganda board, including a propaganda board body, a support column, a rotating cover plate, a crank and other structures. The patent can open the rotating cover plate with ease through the crank, so as to post propaganda pictures for propaganda, but the size of the propaganda board of the patent is fixed, and it is not possible to post and display all the pictures that need to be displayed. This will make it necessary to replace new education pictures after the propaganda is completed when promoting ideological and political knowledge education, which will make the propaganda work discontinuous, resulting in unsatisfactory propaganda effects, greatly reducing the efficiency of propaganda knowledge education. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide an educational knowledge propaganda device, which is easy and quick to adjust, can increase the size of the propaganda board, improve the continuity of the propaganda work, and improve the efficiency of propaganda ideological and political knowledge education.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is: an educational knowledge propaganda device, comprising:

[0005] A base assembly, the base assembly comprising a supporting base plate, a moving wheel arranged on the bottom surface of the supporting base plate, and a rotation-stopping mechanism being arranged on the supporting base plate;

[0006] A support assembly, the support assembly comprising a first support rod arranged on the support base plate, a second support rod cooperating with the anti-rotation mechanism being rotatably arranged in the first support rod, a third support rod being slidably arranged in the second support rod, and a connecting plate being arranged at one end of the third support rod away from the support base plate;

[0007] The promotional component comprises an angle adjustment mechanism rotatably mounted on the connecting plate and a display mechanism mounted on the angle adjustment mechanism.

[0008] Preferably, the anti-rotation mechanism includes a first slide groove opened on the support base plate, a first limit groove is opened on both side walls of the first slide groove, a limit block is slidably provided in the first slide groove and moves along the first limit groove, a partition plate is provided in the first slide groove, a pull rod is arranged through the partition plate, and the pull rod slides with the partition plate, and the support base plate is provided with a second slide groove on one side of the first slide groove, and a second limit groove is opened on both side walls of the second slide groove, a pedal is slidably provided in the second slide groove and moves along the second limit groove, and the pedal is connected to a cable that passes through the side walls of the first slide groove and is connected to the pull rod, and a spring is sleeved on the pull rod between the limit block and the partition plate.

[0009] Preferably, a non-slip pad is provided on the side of the limiting block that contacts the side wall of the second support rod.

[0010] Preferably, a strip-shaped through groove is opened on the side wall of the second support rod along its axial direction, and a first fixing bolt passing through the strip-shaped through groove is threadedly connected on the side wall of the third support rod near the top, and the first fixing bolt abuts against the side wall of the second support rod.

[0011] Preferably, the angle adjustment mechanism includes a connecting rod rotatably arranged on the connecting plate, U-shaped plates are connected to both ends of the connecting rod, and limit plates are respectively provided on the connecting rod and on both sides of the connecting plate, and pin holes are correspondingly opened on the two limit plates. A plurality of through holes corresponding to the pin holes are provided on the connecting plate along the core axis of the connecting rod in an annular array, and the two limit plates have pin shafts arranged through the through holes inserted in their pin holes.

[0012] Preferably, the display mechanism includes a display plate fixedly connected to the U-shaped plate, the display plate is hollow and an extension plate is slidably provided in the hollow portion, a handle is provided on the side wall of the extension plate, and the bottom end of the display plate is threadedly connected to a second fixing bolt whose end can abut against the bottom surface of the extension plate.

[0013] After adopting the above structure, the utility model has the following advantages:

[0014] The device of the present application is provided with a rotation-stop mechanism controlled by a pedaling manner, a liftable third support rod and an angle adjustment mechanism, so as to facilitate rapid adjustment of the display angle in the horizontal direction, the pitch angle in the vertical direction and the display height of the display mechanism, thereby improving convenience and being able to perform adaptive adjustments according to the display and publicity environment. By providing a stretchable extension board, the size of the display board can be expanded when the size of the display board cannot meet the usage requirements, so as to display more content at the same time, ensure the continuity of the publicity and improve the publicity effect. The device of the present application is provided with a supporting base plate with movable wheels, which is convenient for movement and can be moved to an appropriate position for publicity as needed.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the structure of the utility model Figure 1 .

[0018] Figure 2 This is a schematic diagram of the structure of the utility model Figure 2 .

[0019] Figure 3 It is the front view of the utility model.

[0020] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure of AA.

[0021] Figure 5 yes Figure 3 Schematic diagram of the cross-sectional structure of BB.

[0022] As shown in the figure: 1. Support base plate; 2. Moving wheel; 3. Display board; 4. First support rod; 5. Second support rod; 6. Bar-shaped through groove; 7. Third support rod; 8. First fixing bolt; 9. Connecting plate; 10. Limiting plate; 11. Extension plate; 12. Handle; 13. Second fixing bolt; 14. Through hole; 15. Limiting block; 16. First slide groove; 17. First limit groove; 18. Pull rod; 19. Spring; 20. Partition plate; 21. Cable; 22. Second slide groove; 23. Pedal. DETAILED DESCRIPTION

[0023] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0024] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0025] Combined with Figure 1-Figure 5 , an educational knowledge promotion device, including a base component, a support component installed on the base component and a promotion component installed on the support component.

[0026] The base assembly includes a supporting base plate 1 and a moving wheel 2 arranged on the bottom surface of the supporting base plate 1. A stop mechanism is provided on the supporting base plate 1. The supporting base plate 1 is arranged in a circular shape. Four moving wheels 2 are arranged in a circular array along the circumferential direction of the supporting base plate 1. The four moving wheels 2 all adopt lockable universal wheels.

[0027] The anti-rotation mechanism includes a first slide groove 16 provided on the support base plate 1, and first limiting grooves 17 are provided on the side walls of both sides of the first slide groove 16. A limiting block 15 is slidably provided in the first slide groove 16 and moves along the first limiting groove 17. A non-slip pad is provided on the side of the limiting block 15 that is in contact with the side wall of the second support rod 5. The protective pad is made of a rubber pad. A partition plate 20 is provided in the first slide groove 16, and a pull rod 18 is provided on the limiting block 15 that penetrates the partition plate 20. The pull rod 18 is slidably matched with the partition plate 20. A second slide groove 22 is provided on one side of the first slide groove 16, and second limiting grooves are provided on the side walls of both sides of the second slide groove 22. A pedal 23 that moves along the second limiting groove is slidably provided in the second slide groove 22, and a cable 21 that passes through the side wall of the first slide groove 16 and is connected to the pull rod 18 is connected to the pedal 23. A spring 19 is sleeved on the pull rod 18 between the limiting block 15 and the partition plate 20. Under the action of the spring 19, the limiting block 15 is tightly pressed against the side wall of the second support rod 5, exerting friction thereon to prevent it from rotating at will.

[0028] The support assembly includes a first support rod 4 arranged on a support base plate 1, a second support rod 5 which is rotatably provided in the first support rod 4 and cooperates with a rotation-stopping mechanism, a third support rod 7 which is slidably provided in the second support rod 5, and a connecting plate 9 is provided at one end of the third support rod 7 away from the support base plate 1, the first support rod 4 is hollow, and the third support rod 7 is L-shaped.

[0029] A strip-shaped through slot 6 is formed on the side wall of the second support rod 5 along its axial direction. A first fixing bolt 8 penetrating the strip-shaped through slot 6 is threadedly connected to the side wall of the third support rod 7 near the top. The first fixing bolt 8 abuts against the side wall of the second support rod 5 .

[0030] The publicity component comprises an angle adjustment mechanism rotatably mounted on the connecting plate 9 and a display mechanism mounted on the angle adjustment mechanism.

[0031] The angle adjustment mechanism includes a connecting rod rotatably set on a connecting plate 9, and U-shaped plates are connected to both ends of the connecting rod. Limit plates 10 are respectively provided on the connecting rod and on both sides of the connecting plate 9. Pin holes are correspondingly opened on the two limit plates 10. A plurality of through holes 14 corresponding to the pin holes are provided on the connecting plate 9 along the core axis of the connecting rod in an annular array, and pin shafts arranged through the through holes 14 are inserted into the pin holes of the two limit plates 10.

[0032] The display mechanism includes a display board 3 fixedly connected to the U-shaped plate. The display board 3 is hollow and an extension plate 11 is slidably provided in the hollow part. A handle 12 is provided on the side wall of the extension plate 11. The bottom end of the display board 3 is threadedly connected to a second fixing bolt 13 whose end can abut against the bottom surface of the extension plate 11.

[0033] When the device of the present application is in use, the device is moved to the specified position and the moving wheel 2 is locked. The pedal 23 is stepped on to move it downward, so that the pull rod 18 is pulled by the pull cable 21 to move, so that the limit block 15 compresses the spring 19 and releases the contact state with the side wall of the second support rod 5. The second rotating rod can be rotated to adjust the display angle of the display board 3 in the horizontal direction. The first fixing bolt 8 is rotated to release the contact state with the side wall of the second support rod 5, so that the third support rod 7 can be pushed to move. After the display board 3 is adjusted to an appropriate height, the first fixing bolt 8 is tightened. The height of the second support rod 5 can be fixed by fixing the bolt 8 so that it fits tightly against the side wall of the second support rod 5. By pulling the pin out of the through hole 14, the display board 3 can be rotated to a suitable angle, and then the pin can be inserted into the through hole 14. If the display area of ​​the display board 3 is not enough to display all the information pictures, the second fixing bolt 13 can be loosened, and the extension plate 11 can be pulled to the outside of the display board 3 through the handle 12, and then the second fixing bolt 13 can be tightened so that the second fixing bolt 13 and the bottom surface of the extension plate 11 are tightly against the limit position to achieve expansion, which is convenient for displaying and promoting more content.

[0034] The above describes the utility model and its implementation methods, which is not restrictive. What is shown in the full text is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. An educational knowledge propaganda device, characterized in that: include: A base assembly, the base assembly comprising a supporting base plate, a moving wheel arranged on the bottom surface of the supporting base plate, and a rotation-stopping mechanism being arranged on the supporting base plate; A support assembly, the support assembly comprising a first support rod arranged on the support base plate, a second support rod cooperating with the anti-rotation mechanism being rotatably arranged in the first support rod, a third support rod being slidably arranged in the second support rod, and a connecting plate being arranged at one end of the third support rod away from the support base plate; The promotional component comprises an angle adjustment mechanism rotatably mounted on the connecting plate and a display mechanism mounted on the angle adjustment mechanism.

2. An educational knowledge propaganda device according to claim 1, characterized in that: The anti-rotation mechanism includes a first slide groove opened on the support base plate, a first limit groove is opened on both side walls of the first slide groove, a limit block is slidably provided in the first slide groove and moves along the first limit groove, a partition plate is provided in the first slide groove, and a pull rod arranged through the partition plate is provided on the limit block, and the pull rod slides with the partition plate. The support base plate is provided with a second slide groove on one side of the first slide groove, and second limit grooves are opened on both side walls of the second slide groove, and a pedal moving along the second limit groove is slidably provided in the second slide groove, and the pedal is connected to a cable that passes through the side walls of the first slide groove and is connected to the pull rod, and a spring is sleeved on the pull rod between the limit block and the partition plate.

3. An educational knowledge propaganda device according to claim 2, characterized in that: A non-slip pad is provided on one side of the limiting block that is in contact with the side wall of the second support rod.

4. The educational knowledge propaganda device according to claim 2, characterized in that: A strip-shaped through slot is formed on the side wall of the second support rod along its axial direction, and a first fixing bolt passing through the strip-shaped through slot is threadedly connected on the side wall of the third support rod near the top, and the first fixing bolt abuts against the side wall of the second support rod.

5. The educational knowledge propaganda device according to claim 2, characterized in that: The angle adjustment mechanism includes a connecting rod rotatably arranged on the connecting plate, U-shaped plates are connected to both ends of the connecting rod, and limit plates are respectively provided on the connecting rod and on both sides of the connecting plate, and pin holes are correspondingly opened on the two limit plates. A plurality of through holes corresponding to the pin holes are provided in a circular array along the core axis of the connecting rod on the connecting plate, and pin shafts arranged through the through holes are inserted into the pin holes on the two limit plates.

6. The educational knowledge propaganda device according to claim 5, characterized in that: The display mechanism includes a display plate fixedly connected to the U-shaped plate, the display plate is hollow and an extension plate is slidably provided in the hollow portion, a handle is provided on the side wall of the extension plate, and the bottom end of the display plate is threadedly connected to a second fixing bolt whose end can abut against the bottom surface of the extension plate.

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