Work audio-visual integrated bulletin board for art college

Abstract

The invention discloses a work audio-visual integrated bulletin board for an art college, and relates to the field of propaganda of the art college, the bulletin board comprises a base and a protective cover, the protective cover is fixed above the base, the front side of the protective cover is designed to be of an opening structure, and a transparent plate is arranged at the opening of the front side of the protective cover to shield the protective cover; a transparent plate is arranged on the base, a liquid crystal display is arranged on the rear side of the transparent plate, an empty groove for containing the liquid crystal display is formed below the liquid crystal display, a lifting control mechanism is arranged below the liquid crystal display and used for controlling lifting of the liquid crystal display, and a loudspeaker is arranged in the base and used for playing sound. According to the work audio-visual integrated bulletin board for the art college, audio-visual integrated propaganda display can be conducted through cooperation of the liquid crystal display and the loudspeaker, the liquid crystal display can ascend and descend, physical products on the display base can be displayed through the transparent plate after the liquid crystal display descends, and the functionality of the bulletin board is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of art academy publicity, and in particular to an integrated audio-visual publicity column for works used by art academies. Background Art

[0002] In art colleges, relevant information such as activities or exhibitions can be promoted through billboards. With the advancement of technology, billboards have more and more functions. Some billboards can use displays and speakers to carry out dynamic audio-visual promotion of activities.

[0003] Prior art 1 (application number CN202120410312.5, Chinese patent published on October 8, 2021) A digital audio-visual integrated device for intangible cultural heritage, comprising a column, a square frame, a lift and a screen body; the column is arranged on the ground at the front end installation position, and the square frame is arranged on the top of the column; the square frame comprises an outer frame and an inner frame, the outer frame comprises a bottom plate, a top plate and two side plates, the inner walls of the two side plates are provided with vertical slide grooves, the two ends of the inner frame are respectively placed in the two side plate slide grooves, and the inner frame can slide vertically along the slide grooves; a lift is arranged on the bottom plate, and the lifting rod of the lift is connected to the bottom of the bottom plate so that the inner frame can rise or fall under the action of the lift; the screen body is arranged on the front side of the inner frame, and the screen body is a display screen configured with a control host and a speaker. This application uses a display screen to achieve visual communication, and can play audio and video to display intangible digital culture; under the action of the elevator, the inner frame can rise or fall to achieve height adjustment of the screen body; Prior art 2 (application number CN202011138429.9, a Chinese patent published on July 19, 2022) An adjustable intelligent billboard, comprising two vertically arranged pillars, and a mounting base is provided at the bottom of the pillars; a cross bar is provided between the two pillars, and a cross beam is provided between the two pillars directly above the cross bar, and a rib bent inward is provided on the cross beam; it also includes a billboard assembly that can move up and down along the two pillars; the billboard assembly includes a rectangular frame, and a bottom plate for fixing the promotional poster is provided on the front of the rectangular frame, and rollers that can slide along the inner wall of the pillar are provided on one relative outer side of the rectangular frame. This application can move the billboard assembly along the vertical direction of the pillar, and support and limit the billboard assembly moved to a specified height through a limit block or a limit mechanism, thereby facilitating the replacement of posters pasted on the billboard assembly, solving the problem of the height rating of traditional billboards and the inconvenience of poster replacement operation.

[0004] Although the current publicity column can achieve the audio-visual integrated publicity effect, sometimes in art colleges, it is necessary to exhibit and promote physical objects. The audio-visual integrated publicity column does not have the display and publicity function of physical products, and requires the use of additional separate publicity devices, which reduces the functionality and applicability of the device. Summary of the invention

[0005] The purpose of the present invention is to provide an integrated audio-visual publicity board for works of art academies, so as to solve the problem that the integrated audio-visual publicity board proposed in the above background technology does not have the function of displaying and promoting physical products, requires the use of additional separate publicity devices, and has poor functionality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an integrated audio-visual publicity column for works of art academy, comprising a base and a protective cover, wherein the protective cover is fixed on the top of the base, and the front side of the protective cover is designed as an open structure, a transparent plate is arranged at the front opening of the protective cover to shield the protective cover, and a liquid crystal display is arranged at the rear side of the transparent plate, and an empty slot for storing the liquid crystal display is arranged below the liquid crystal display, a lifting control mechanism is arranged below the liquid crystal display to control the lifting of the liquid crystal display, a speaker is arranged inside the base for playing sound, and a display seat is arranged at the rear side of the liquid crystal display. The loudspeaker can be used for integrated audio-visual publicity and display, and the LCD display can be raised and lowered. After the LCD display is lowered, the physical product on the display seat can be displayed through the transparent plate, and a movable plate is connected to the bottom of the display seat, and a left-right sliding structure is formed between the movable plate and the base, and a baffle is fixed above the movable plate, and the baffle is arranged on the side of the protective cover, and the display seat provides support for the physical product, and the movable plate and the display seat can be pulled outward by pulling the baffle, which is convenient for placing the product, and the opening of the protective cover can be blocked after the baffle is pushed back, so as to protect the product on the display seat, and a limiting mechanism is arranged on the outer side of the movable plate to provide a limiting effect on the movement of the movable plate.

[0007] To further optimize the technical solution, the lifting control mechanism includes a mounting block, a driving rod and a first motor; The mounting block is fixed at the rear lower part of the liquid crystal display, and an up-and-down sliding structure is formed between the mounting block and the base; A driving rod passes through the mounting block and forms a threaded connection between the mounting blocks; The first motor is connected to the driving rod to control the rotation of the driving rod.

[0008] To further optimize the technical solution, a lighting strip is provided on the rear side of the display seat, and the lighting strip is installed on the surface of the protective cover to provide lighting for the display seat.

[0009] To further optimize the technical solution, a guide block is fixed to the rear side of the movable plate, and a horizontal sliding structure is formed between the guide block and the base to position the movement of the movable plate.

[0010] To further optimize the technical solution, an auxiliary pull-back mechanism is provided on the left side of the movable plate to provide a pull-back force for the movable plate.

[0011] To further optimize the technical solution, the auxiliary pull-back mechanism includes an auxiliary rope, a reel and a torsion spring; Auxiliary rope, fixed at the left end of the movable board; A reel is rotatably mounted inside the base, and the left end of the auxiliary rope is wound around the surface of the reel; The torsion spring is arranged at the end of the winding shaft to provide a rotational restoring force for the winding shaft.

[0012] To further optimize the technical solution, the limiting mechanism includes a limiting groove, a limiting block, a return spring and an extrusion block; A limiting groove is provided on the front side of the movable plate; The limit block is arranged at the front side of the limit slot and between the limit slot to form a concave-convex matching structure. The connection between the limit block and the limit slot can limit the movement of the movable plate. After the liquid crystal display is lowered, the movable plate is locked to prevent it from moving, thereby preventing the product on the display stand from being taken out; A return spring is arranged on the outer side of the limit block to provide a forward thrust for the limit block; The extrusion block is arranged on the rear side of the liquid crystal display, and the extrusion block is located above the limit block, and the rear side of the extrusion block is designed with an inclined structure. After the liquid crystal display is lowered, the extrusion block squeezes the limit block to move, so that the locking effect of the movable plate can be automatically triggered after the liquid crystal display is lowered.

[0013] To further optimize the technical solution, a connecting shaft is provided below the display seat, a rotational connection is formed between the connecting shaft and the movable plate, and a rotation control mechanism is provided below the connecting shaft.

[0014] To further optimize the technical solution, the rotation control mechanism includes a driving disk, a magnetic block, an attraction block, a connecting disk and a second motor; A driving plate, fixed below the connecting shaft; The magnetic block is fixed below the driving disk, and the center of the magnetic block and the center of the driving disk are staggered; An attraction block is arranged below the magnetic block, and the attraction block is located inside the base, and the attraction block and the magnetic block attract each other; A connecting plate is installed below the attraction block to provide support for the attraction block; The second motor is connected to the connecting plate to control the rotation of the connecting plate, so that the display seat can rotate, thereby more fully displaying the product. The rotating power adopts non-contact transmission and has no effect on the movement of the movable plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: (1) The LCD display can be used in conjunction with a speaker to provide audio-visual integrated promotional displays. The LCD display can be raised and lowered. When the LCD display is lowered, the physical product on the display stand can be displayed through a transparent plate, thereby increasing the functionality of the device.

[0016] (2) The display stand provides support for the physical product. The movable plate and the display stand can be pulled outward by pulling the baffle, which is convenient for placing the product. After the baffle is pushed back, the opening of the protective cover can be covered to protect the product on the display stand and prevent the physical product from being contaminated by the outside.

[0017] (3) The movable board can be pulled back into the base through the pulling effect of the auxiliary rope, so that the movable board can maintain good stability in the base, and the movable board can also maintain its own stability when it is not limited.

[0018] (4) The movement of the movable plate can be limited by the connection between the limit block and the limit slot. After the LCD display is lowered, the movable plate is locked to prevent it from moving, thereby preventing the product on the display stand from being taken out and improving the safety of display and promotion.

[0019] (5) The rotation of the display stand can drive the product to rotate, so that the product can be displayed in all aspects. The rotation drive of the display stand adopts non-contact transmission, which does not affect the subsequent stretching movement of the movable plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the baffle of the present invention; Figure 4 This is a schematic diagram of the baffle pull-out structure of the present invention; Figure 5 It is a schematic diagram of the side section structure of the present invention; Figure 6 It is a schematic diagram of the side section structure of the movable plate of the present invention; Figure 7 It is a schematic diagram of the top view of the movable plate of the present invention; Figure 8 It is a schematic diagram of the three-dimensional structure of the movable plate of the present invention.

[0021] In the figure: 1. base; 2. protective cover; 3. transparent plate; 4. speaker; 5. liquid crystal display; 6. mounting block; 7. driving rod; 8. first motor; 9. display stand; 10. connecting shaft; 11. driving disk; 12. magnetic block; 13. attraction block; 14. connecting disk; 15. second motor; 16. movable plate; 17. guide block; 18. baffle; 19. lighting strip; 20. limiting groove; 21. limiting block; 22. reset spring; 23. extrusion block; 24. auxiliary rope; 25. winding shaft; 26. torsion spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] See also Figure 1-Figure 8 , the present invention provides the following technical solution: an integrated audio-visual publicity board for works of art academy, comprising a base 1 and a protective cover 2, the protective cover 2 is fixed above the base 1, and the front side of the protective cover 2 is designed in an open structure; Embodiment 1: The present invention provides the following technical solution, which discloses that a transparent plate 3 is provided at the front opening of the protective cover 2 to shield the protective cover 2, and a liquid crystal display 5 is provided at the rear side of the transparent plate 3, and a slot for storing the liquid crystal display 5 is provided below the liquid crystal display 5, and a lifting control mechanism is provided below the liquid crystal display 5 to control the lifting of the liquid crystal display 5, a speaker 4 is provided inside the base 1 for playing sound, and a display seat 9 is provided at the rear side of the liquid crystal display 5, and the liquid crystal display 5 can be used to cooperate with the speaker 4 to carry out audio-visual integrated publicity and display, and the liquid crystal display 5 can be used to display the liquid crystal display 5. The liquid crystal display 5 can be raised and lowered. After the liquid crystal display 5 is lowered, the physical products on the display seat 9 can be displayed through the transparent plate 3, and a movable plate 16 is connected to the bottom of the display seat 9, and a left-right sliding structure is formed between the movable plate 16 and the base 1, and a baffle 18 is fixed above the movable plate 16, and the baffle 18 is arranged on the side of the protective cover 2, and a limiting mechanism is arranged on the outer side of the movable plate 16 to provide a limiting effect on the movement of the movable plate 16, and a lighting strip 19 is arranged on the rear side of the display seat 9, and the lighting strip 19 is installed on the surface of the protective cover 2 to provide lighting for the display seat 9.

[0024] When in use, the liquid crystal display 5 can be used for active promotional displays, and the loudspeaker 4 can be used for sound broadcasting. The liquid crystal display 5 can be raised and lowered. After the liquid crystal display 5 is lowered, the display seat 9 will leak out and can be observed through the transparent plate 3 to achieve the promotional display of the physical product. The display seat 9 can be controlled by moving the movable plate 16 and the baffle 18, so that the display seat 9 can be pulled out conveniently to replace the product.

[0025] Embodiment 2: On the basis of embodiment 1, a lifting control mechanism is disclosed, which includes a mounting block 6, a driving rod 7 and a first motor 8. The mounting block 6 is fixed at the rear lower part of the liquid crystal display 5, and an up-and-down sliding structure is formed between the mounting block 6 and the base 1. The driving rod 7 penetrates the mounting block 6 and forms a threaded connection between the mounting block 6. The first motor 8 is connected to the driving rod 7 to control the rotation of the driving rod 7. A guide block 17 is fixed to the rear side of the movable plate 16. A horizontal sliding structure is formed between the guide block 17 and the base 1 to position the movement of the movable plate 16. An auxiliary pull-back mechanism is provided on the left side of the movable plate 16 to provide a pull-back force for the movable plate 16. The auxiliary pull-back mechanism includes an auxiliary rope 24, a winding shaft 25 and a torsion spring 26. The auxiliary rope 24 is fixed to the left end of the movable plate 16. The winding shaft 25 , rotatably installed inside the base 1, and the left end of the auxiliary rope 24 is wound around the surface of the winding shaft 25, the torsion spring 26, arranged at the end of the winding shaft 25, provides a rotational reset force for the winding shaft 25, the limiting mechanism includes a limiting groove 20, a limiting block 21, a reset spring 22 and an extrusion block 23, the limiting groove 20, is opened on the front side of the movable plate 16, the limiting block 21, is arranged on the front side of the limiting groove 20 and between the limiting groove 20 to form a concave-convex matching structure, the reset spring 22, is arranged on the outer side of the limiting block 21, provides a forward thrust for the limiting block 21, the extrusion block 23, is arranged on the rear side of the liquid crystal display 5, and the extrusion block 23 is located above the limiting block 21, and the rear side of the extrusion block 23 is designed with an inclined structure, after the liquid crystal display 5 is lowered, the extrusion block 23 squeezes the limiting block 21 to move.

[0026] When the liquid crystal display 5 is raised, the display seat 9 is blocked, and the limit block 21 is not connected to the limit groove 20 under the action of the reset spring 22. At this time, the baffle 18 can be pulled, and the baffle 18 will drive the movable plate 16 to move in the base 1, so that it can bring the display seat 9 outward, which is convenient for placing and taking products on the display seat 9. When the movable plate 16 is pushed back later, the torsion spring 26 will drive the winding shaft 25 to rotate, so that the winding shaft 25 can rewind the auxiliary rope 24, and the auxiliary rope 24 pulls the movable plate 16 to reset and move, and can also provide positioning tension for the movable plate 16, so that the movable plate 16 maintains good stability in the base 1. When it is necessary to control the LCD display 5 to descend, the first motor 8 can be used to control the drive rod 7 to rotate, so that the drive rod 7 can pass The threaded connection between the mounting block 6 and the mounting block 6 drives the mounting block 6 to move, and the mounting block 6 drives the LCD display 5 to move, and the LCD display 5 moves downward, so that the display seat 9 leaks out, and the real object can be displayed. After the LCD display 5 completes the downward movement, the squeezing block 23 moves to the front side of the limit block 21 to squeeze the limit block 21, so that the limit block 21 moves backward and connects with the limit groove 20, and limits the movement of the movable plate 16. At this time, the baffle 18 cannot be pulled, which can prevent the displayed product from being taken out, and improve its display and publicity safety. Subsequently, the LCD display 5 is lifted, and the limit block 21 will be reset under the action of the reset spring 22, and the connection with the limit groove 20 is detached, so that the movable plate 16 is restored to an active state, and the real product can be taken.

[0027] Embodiment 3: On the basis of embodiment 1, it is disclosed that a connecting shaft 10 is arranged below the display seat 9, a rotation connection is formed between the connecting shaft 10 and the movable plate 16, and a rotation control mechanism is arranged below the connecting shaft 10, the rotation control mechanism includes a driving disk 11, a magnetic block 12, an attraction block 13, a connecting disk 14 and a second motor 15, the driving disk 11 is fixed below the connecting shaft 10, the magnetic block 12 is fixed below the driving disk 11, the center of the magnetic block 12 and the center of the driving disk 11 are staggered, the attraction block 13 is arranged below the magnetic block 12, and the attraction block 13 is located inside the base 1, the attraction block 13 and the magnetic block 12 attract each other, the connecting disk 14 is installed below the attraction block 13 to provide support for the attraction block 13, and the second motor 15 is connected to the connecting disk 14 to control the rotation of the connecting disk 14.

[0028] When displaying the physical product on the display seat 9, the second motor 15 can be used to drive the connecting disk 14 to rotate, so that it drives the attraction block 13 to rotate. The attraction block 13 and the magnetic block 12 attract each other. Under the attraction of the attraction block 13, the magnetic block 12 keeps synchronous rotation with the attraction block 13, so that the magnetic block 12 drives the connecting shaft 10 to rotate through the driving disk 11, and the connecting shaft 10 drives the display seat 9 to rotate, so as to display the physical product in rotation and improve the display effect. The magnetic block 12 and the attraction block 13 are non-contactly arranged, which does not affect the movement of the subsequent movable plate 16.

[0029] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0030] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An integrated audio-visual publicity board for works of art colleges, comprising a base (1) and a protective cover (2), wherein the protective cover (2) is fixed above the base (1), and the front side of the protective cover (2) is designed to be an open structure; Features: A transparent plate (3) is provided at the front opening of the protective cover (2) to shield the protective cover (2), and a liquid crystal display (5) is provided at the rear side of the transparent plate (3), and a slot for storing the liquid crystal display (5) is provided below the liquid crystal display (5), and a lifting control mechanism is provided below the liquid crystal display (5) to control the lifting of the liquid crystal display (5), and a speaker (4) is provided inside the base (1) for playing sound, and a display seat (9) is provided at the rear side of the liquid crystal display (5), and a movable plate (16) is connected below the display seat (9), and a left-right sliding structure is formed between the movable plate (16) and the base (1), and a baffle (18) is fixed above the movable plate (16), and the baffle (18) is provided on the side of the protective cover (2), and a limiting mechanism is provided on the outer side of the movable plate (16) to provide a limiting effect on the movement of the movable plate (16).

2. The art academy work audio-visual integrated publicity board according to claim 1, characterized in that: The lifting control mechanism comprises a mounting block (6), a driving rod (7) and a first motor (8); A mounting block (6) is fixed at the lower rear of the liquid crystal display (5), and an up-and-down sliding structure is formed between the mounting block (6) and the base (1); A driving rod (7) passes through the mounting block (6) and forms a threaded connection between the mounting block (6); The first motor (8) is connected to the driving rod (7) to control the rotation of the driving rod (7).

3. The integrated audio-visual publicity board for works used in art academies according to claim 1, characterized in that: A lighting strip (19) is provided on the rear side of the display seat (9), and the lighting strip (19) is mounted on the surface of the protective cover (2) to provide lighting for the display seat (9).

4. The audio-visual integrated publicity board for works used in art academies according to claim 1, characterized in that: A guide block (17) is fixed to the rear side of the movable plate (16); a horizontal sliding structure is formed between the guide block (17) and the base (1) to position the movement of the movable plate (16).

5. The art academy work audio-visual integrated publicity board according to claim 1, characterized in that: An auxiliary pull-back mechanism is provided on the left side of the movable plate (16) to provide a pull-back force for the movable plate (16).

6. The audio-visual integrated publicity board for works used in art academies according to claim 5, characterized in that: The auxiliary pull-back mechanism comprises an auxiliary rope (24), a reel (25) and a torsion spring (26); An auxiliary rope (24) is fixed to the left end of the movable plate (16); A reel (25) is rotatably mounted inside the base (1), and the left end of the auxiliary rope (24) is wound around the surface of the reel (25); A torsion spring (26) is arranged at the end of the winding shaft (25) to provide a rotational restoring force for the winding shaft (25).

7. The integrated audio-visual publicity board for works used in art academies according to claim 6, characterized in that: The limiting mechanism comprises a limiting groove (20), a limiting block (21), a return spring (22) and an extrusion block (23); A limiting groove (20) is provided on the front side of the movable plate (16); A limiting block (21) is arranged at the front side of the limiting groove (20) and between the limiting groove (20) to form a concave-convex matching structure; A return spring (22) is arranged on the outer side of the limit block (21) to provide a forward thrust for the limit block (21); The extrusion block (23) is arranged on the rear side of the liquid crystal display (5), and the extrusion block (23) is located above the limit block (21), and the rear side of the extrusion block (23) is designed to be inclined. After the liquid crystal display (5) descends, the extrusion block (23) squeezes the limit block (21) to move.

8. The integrated audio-visual publicity board for works used in art academies according to claim 1, characterized in that: A connecting shaft (10) is provided below the display seat (9), a rotational connection is formed between the connecting shaft (10) and the movable plate (16), and a rotation control mechanism is provided below the connecting shaft (10).

9. The art academy work audio-visual integrated publicity board according to claim 8, characterized in that: The rotation control mechanism comprises a driving disk (11), a magnetic block (12), an attraction block (13), a connecting disk (14) and a second motor (15); A driving disc (11) is fixed below the connecting shaft (10); A magnetic block (12) is fixed below the driving disk (11), and the center of the magnetic block (12) and the center of the driving disk (11) are staggered; An attraction block (13) is arranged below the magnetic block (12), and the attraction block (13) is located inside the base (1), and the attraction block (13) and the magnetic block (12) attract each other; A connecting plate (14) is installed below the attraction block (13) to provide support for the attraction block (13); The second motor (15) is connected to the connecting disk (14) to control the rotation of the connecting disk (14).

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