Audio-visual combined advertisement design display cabinet

Abstract

The invention relates to the technical field of display cabinets, in particular to an audio-visual combined advertisement design display cabinet which comprises a movable base and further comprises a supporting cylinder base arranged above the movable base and constructed into a hollow cylindrical shell structure; the vertical supporting rod is fixedly arranged on the edge of the inner side of the supporting cylinder seat and extends upwards; and the top cover is fixedly connected to the top protection cylinder covers of all the vertical supporting rods. According to the display cabinet, the core supporting and protecting structure of the display cabinet serves as a resonant cavity of the treble and bass loudspeakers, large independent sound equipment which needs to be additionally configured for obtaining the high-quality sound effect of a traditional display cabinet is omitted, the overall structure is simplified, the display space is effectively saved, the overall structure of the display cabinet is more compact and attractive, and the display cabinet is more convenient to use. In addition, product display and sound transmission are integrated in physical space, and structural integrated design is achieved.

Description

Technical Field

[0001] This invention relates to the field of display cabinet technology, and in particular to an audiovisual integrated advertising design display cabinet. Background Technology

[0002] Currently, the core design of display cases used in the commercial and advertising fields focuses on visual presentation. Common display cases generally use built-in or external lighting systems, such as spotlights, light strips, or backlights, to create a display atmosphere and illuminate the products. Some high-end designs further integrate LCD screens or projection equipment to play dynamic visual content. However, this type of display is essentially still a one-way visual information output with a single sensory dimension, making it difficult to effectively attract and retain the audience's attention in a highly competitive environment.

[0003] Currently, another approach is to introduce auditory elements, typically by placing separate sound equipment next to the display case. However, this separate sound equipment occupies additional display space, disrupting the overall integrity and simplicity of the display environment. Furthermore, the separation of the sound source from the visual focus of the exhibit makes it difficult to create an immersive audiovisual experience. In addition, the large volume of the speakers will encroach on valuable display space, disrupting the overall integrity and aesthetic simplicity of the display environment, resulting in a fragmented audiovisual experience. This makes it impossible to create an immersive experience focused on the product itself, and may even interfere with the core theme of the display. Summary of the Invention

[0004] In view of this, the purpose of this invention is to propose an audio-visual integrated advertising design display cabinet to solve the problems of audio-visual separation in existing display cabinets and the large space occupied by additional audio equipment.

[0005] To achieve the above objectives, the present invention provides an audiovisual integrated advertising design display cabinet, including a movable base, and further comprising: A support cylinder is disposed above the movable base, and the support cylinder is constructed as a hollow cylindrical shell structure; A vertical support rod is fixedly installed on the inner edge of the support cylinder and extends upward; A top cover, which is fixedly connected to the top of all the vertical support rods; A protective cylindrical cover, which is made of transparent material and constructed into a hollow cylindrical shell structure, is disposed above the support base and has a support platform inside for supporting the displayed product. The protective cylindrical cover and the support base are slidably connected. The top cover and the top opening of the protective cylinder cover are separate from each other. The top cover is independently supported by the vertical support rod. The protective cylinder cover can slide downward and be completely stored in the inner cavity of the support cylinder base to facilitate the storage and display of products. A bass speaker is disposed at the bottom of the support base, and the housing of the support base constitutes the resonant cavity of the bass speaker; A midrange speaker, with multiple midrange speakers evenly arranged around the top of the support base; A tweeter is located in the center of the top cover and faces the inside of the protective sleeve, the protective sleeve forming the resonant cavity of the tweeter.

[0006] Furthermore, two vertical screws are symmetrically arranged inside the support cylinder base, and a lifting adjustment frame is connected to the bottom of the protective cylinder cover. A vertical guide sleeve is symmetrically arranged in the middle of the lifting adjustment frame. The lifting adjustment frame is slidably connected to the vertical screws through the vertical guide sleeves. Thus, when the lifting adjustment frame slides up and down along the vertical screws, it drives the protective cylinder cover to move up and down synchronously.

[0007] Furthermore, a lifting screw sleeve is rotatably provided in the middle of the vertical guide sleeve. The lifting screw sleeve is nested and connected to the vertical screw. A synchronous drive gear is arranged around the outer side of the lifting screw sleeve. A central drive gear is provided in the middle of the lifting adjustment frame. The shaft end of the central drive gear is connected to a lifting drive motor. The central drive gear is synchronously engaged with the synchronous drive gears of the lifting screw sleeves on both sides. The central drive gear can simultaneously drive the synchronous drive gears on both sides to rotate synchronously in opposite directions, thereby driving the lifting screw sleeves on both sides to rotate synchronously in opposite directions, so as to drive the lifting adjustment frame to move up and down along the vertical screw.

[0008] Furthermore, a flexible support mechanism is provided around the bottom of the protective cylinder cover. The flexible support mechanism includes a support bottom ring, and multiple vertical connecting sleeves are evenly arranged around the bottom surface of the support bottom ring. Multiple spaced connecting rods are evenly arranged around the top of the lifting adjustment frame. The spaced connecting rods are nested inside the vertical connecting sleeves. A flexible spacer is provided between the vertical connecting sleeves and the spaced connecting rods. The flexible support mechanism also includes a flexible spacer ring arranged around the top of the protective cylinder cover. An annular fitting groove is arranged around the bottom edge of the top cover. The flexible spacer ring and the annular fitting groove are mutually fitted.

[0009] Furthermore, the bottom of the lifting and adjusting frame is provided with an annular support frame, and multiple mid-range speakers are evenly arranged around the annular support frame. Acoustic guide ports are evenly arranged around the top of the side wall of the support cylinder, and an annular protective net is arranged around the outside of the acoustic guide ports.

[0010] Furthermore, a support connecting block is provided at the top of the vertical support rod, and a support connecting groove is provided at a corresponding position on the bottom surface of the top cover. The support connecting groove and the support connecting block are mutually engaged and slidably connected. A connecting wire is provided inside the vertical support rod, and a connecting plug is provided in the middle of the support connecting block. The connecting plug is electrically connected to the connecting wire. A connecting socket is provided in the middle of the support connecting groove. The connecting socket and the connecting plug are mutually engaged. When the support connecting groove and the support connecting block are mutually engaged, the connecting socket and the connecting plug are simultaneously electrically connected.

[0011] Furthermore, a fixed support platform is provided on the top of the support cylinder base, and the supporting platform is located above the fixed support platform. The fixed support platform, the supporting platform and the protective cylinder cover are coaxially arranged. A central rotating platform is fitted at the center of the fixed support platform, and a rotating connecting ring is arranged around the outside of the central rotating platform. The central rotating platform is rotatably connected to the fixed support platform through the rotating connecting ring.

[0012] Furthermore, a friction drive ring is provided on the outer side of the rotating connecting ring, and the inner side of the friction drive ring contacts the outer side of the rotating connecting ring. The friction drive ring is connected to a rotating drive motor, and the rotating drive motor drives the friction drive ring to rotate the rotating connecting ring and the central rotating table by means of friction, thereby driving the supporting platform to rotate synchronously.

[0013] Furthermore, symmetrical clearance guide sleeves are provided at the edge of the fixed support platform. The fixed support platform is slidably connected to the vertical screw through the clearance guide sleeves, so that when the lifting adjustment frame moves up and down along the vertical screw, it can drive the fixed support platform to move up and down synchronously. A locking guide sleeve is provided horizontally on the side wall of the clearance guide sleeve. A magnetic locking pin is slidably nested inside the locking guide sleeve. An unlocking electromagnet is provided at the end of the locking guide sleeve. A locking spring is provided on the magnetic locking pin. A locking slot is provided at the top of the side wall of the vertical screw. The locking slot and the magnetic locking pin cooperate with each other. When the lifting adjustment frame pushes the fixed support platform up to the top of the support cylinder, the magnetic locking pin is inserted into the locking slot to connect and lock the clearance guide sleeve and the vertical screw, so that the fixed support platform is supported and fixed by the vertical screw.

[0014] Furthermore, multiple permanent magnets are evenly arranged around the inner edge of the central rotating platform, four balancing electromagnets are evenly arranged around the center of the central rotating platform, multiple Hall sensors are arranged around the outer side of the balancing electromagnets, and a central magnet is arranged inside the supporting platform.

[0015] The beneficial effects of the present invention are as follows: As can be seen from the above, the audiovisual combined advertising display cabinet provided by the present invention uses the core support and protective structure of the display cabinet as the resonant cavity for high and low frequency speakers at the same time. This eliminates the need for large independent audio equipment that traditional display cabinets must be equipped with to obtain high-quality sound effects, simplifies the overall structure, effectively saves display space, and makes the overall structure of the display cabinet more compact and beautiful. It is suitable for use in scenarios with limited space, so that product display and sound propagation are integrated in physical space, realizing the integrated structural design. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in this invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the internal structure of the support cylinder according to an embodiment of the present invention; Figure 2 This is a front view of an embodiment of the present invention. Figure 3 This is a schematic diagram of the bottom structure of an embodiment of the present invention; Figure 4 This is a schematic diagram of the protective cover in the open state according to an embodiment of the present invention; Figure 5 This is a schematic diagram of the internal structure of the protective cover in the fully lowered state according to an embodiment of the present invention. Figure 6 This is a schematic diagram of the structure in the storage state according to an embodiment of the present invention; Figure 7 This is a schematic diagram of the external structure in the fully stowed state according to an embodiment of the present invention; Figure 8 This is a schematic diagram of the internal structure of the invention in its fully stowed state according to an embodiment of the invention; Figure 9 This is a schematic diagram of the top cover structure according to an embodiment of the present invention; Figure 10 This is a partial structural schematic diagram of the vertical support rod according to an embodiment of the present invention; Figure 11 This is a schematic diagram of the structure of the protective sleeve according to an embodiment of the present invention; Figure 12 This is a schematic diagram of the internal structure of the fixed support platform according to an embodiment of the present invention; Figure 13 This is a schematic diagram of the structure of the central rotating platform according to an embodiment of the present invention; Figure 14 This is a structural schematic diagram of the lifting and adjusting frame according to an embodiment of the present invention.

[0018] The diagram is marked as follows: 1. Support base; 101. Central storage compartment; 102. Subwoofer; 103. Movable base; 104. Casters; 105. Vertical screw; 106. Locking slot; 2. Protective cover; 201. Support bottom ring; 202. Vertical connecting sleeve; 203. Flexible spacer sleeve; 204. Flexible spacer ring; 3. Annular support frame; 301. Midrange speaker; 302. Acoustic guide port; 303. Annular protective net; 4. Top cover; 401. Tweeter; 402. Annular fitting groove; 403. Central projection lamp; 404. Support connecting groove; 405. Connecting socket; 5. Fixed support platform; 501. Friction drive ring; 502. Rotary... 503. Rotary drive motor; 504. Central rotary table; 505. Rotary connecting ring; 506. Balancing electromagnet; 507. Hall sensor; 508. Permanent magnet; 6. Clearance guide sleeve; 601. Locking guide sleeve; 602. Unlocking electromagnet; 603. Magnetic locking pin; 604. Locking spring; 7. Support platform; 701. Central magnet; 8. Lifting adjustment frame; 801. Spacer connecting rod; 802. Vertical guide sleeve; 803. Lifting screw sleeve; 804. Synchronous drive gear; 805. Central drive gear; 806. Lifting drive motor; 9. Vertical support rod; 901. Support connecting block; 902. Connecting plug; 903. Connecting wire. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to specific embodiments.

[0020] It should be noted that, unless otherwise defined, the technical or scientific terms used in this invention should have the ordinary meaning understood by one of ordinary skill in the art to which this invention pertains. The terms "first," "second," and similar terms used in this invention do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown, an audiovisual advertising design display case includes a movable base 103, and also includes: The support cylinder 1 is located above the movable base 103, and the support cylinder 1 is constructed as a hollow cylindrical shell structure. Vertical support rod 9 is fixedly installed on the inner edge of support cylinder seat 1 and extends upward; Top cover 4 is fixedly connected to the top of all vertical support rods 9; The protective cover 2 is made of transparent material and constructed into a hollow cylindrical shell structure. The protective cover 2 is set above the support base 1, and its interior is provided with a support platform 7 for supporting the displayed products. The protective cover 2 and the support base 1 are slidably connected. Among them, the top opening of the top cover 4 and the top opening of the protective cylinder cover 2 are separated from each other. The top cover 4 is independently supported by the vertical support rod 9. The protective cylinder cover 2 can slide down and be completely stored in the inner cavity of the support cylinder base 1 to facilitate the storage and retrieval of the displayed products. The bass speaker 102 is disposed at the bottom of the support base 1, and the housing of the support base 1 constitutes the resonant cavity of the bass speaker 102; Midrange speaker 301, multiple midrange speakers 301 are evenly arranged around the top of the support base 1; The tweeter 401 is located in the middle of the top cover 4 and faces the inside of the protective cover 2. The protective cover 2 constitutes the resonant cavity of the tweeter 401.

[0022] In this embodiment, the display cabinet uses a movable base 103 as its supporting foundation, with casters 104 installed at its bottom for easy movement. A support cylinder 1 is fixedly installed at the center of the movable base 103, employing a hollow cylindrical shell structure made of metal or high-strength engineering plastic to ensure structural strength and meet the acoustic requirements of its subsequent use as a bass resonator. Vertical support rods 9 are made of rigid material and are evenly distributed circumferentially along the inner edge of the support cylinder 1. The vertical support rods 9 extend vertically upwards, with a pre-installed connection structure at their top for independent support of the top cover 4. The main body of the display cabinet includes a hollow cylindrical protective cover 2 made of transparent material with high transparency. Made of transparent materials such as tempered glass or acrylic, the protective cover 2 is positioned above the support base 1. Inside the protective cover 2 is a platform for supporting the displayed products. The support platform 7 can be designed in different sizes and shapes according to display needs. The protective cover 2 is slidably connected to the support base 1 below, and the outer diameter of the protective cover 2 is slightly smaller than the inner cavity diameter of the support base 1, ensuring that the protective cover 2 can slide downwards and be completely housed within the inner cavity of the support base 1, thus fully exposing the internal space and facilitating the access to the displayed items. The top cover 4 remains separate from the top opening of the protective cover 2, preventing interference. Regarding the audio system integration, the display case utilizes its own structure as a component of the speaker, with a subwoofer 1 built into the bottom of the support base 1. 02. The housing of the support base 1 itself serves as the bass resonant cavity or bass reflex cavity of the bass unit to enhance the bass effect. Multiple midrange speakers 301 are arranged around the top edge of the support base 1, achieving uniform midrange propagation through the circumferentially distributed midrange speakers 301. A tweeter 401 is installed in the center of the top cover 4, facing downwards, towards the inside of the protective housing 2. The protective housing 2 acts as the tweeter resonant cavity, facilitating the directional diffusion and reflection of high-frequency sound waves, thus optimizing the listening experience in the high-frequency range. When the audio system is working, the sound originates from the center of the structure, naturally guiding the observer's gaze to the center of the sound source, namely the product support platform 7 inside the protective housing 2, achieving a unity of visual and auditory focus. At the center of the top cover 4, a central projection lamp 403 is further installed. This projection lamp projects light vertically downwards, clearly projecting customized patterns, logos, or text information onto the surface of the displayed products on or around the supporting platform 7 below. To create a richer visual layer and atmosphere, ring-shaped ambient light strips are integrated into the lower edge of the top cover 4 and the upper edge of the supporting cylinder 1, emitting light with adjustable color and brightness. This creates a surround lighting effect inside the protective cylinder 2 and around the display case. Combined with the existing sound-guided auditory focusing, this forms a guiding structure where light points downwards and sound diffuses outwards from the center. Compared to traditional display cases with only a single display function, this enhances the product's attractiveness and display effect.This innovative design cleverly integrates the core support and protective structure of the display case into the resonant cavity and sound optimization structure of the high and low frequency speakers 102. This eliminates the need for large, independent audio equipment that traditional display cases require to achieve high-quality sound. This simplifies the overall structure, effectively saves display space, and makes the display case more compact and aesthetically pleasing. It is suitable for use in space-constrained settings such as shopping malls, showrooms, and trade shows, seamlessly integrating product display and sound propagation into a unified structural design.

[0023] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, inside the support cylinder base 1, the display cabinet has two vertical screws 105 symmetrically arranged in the vertical direction. The bottom of the protective cylinder cover 2 is connected to a lifting adjustment frame 8. The middle position of the lifting adjustment frame 8 is symmetrically arranged with vertical guide sleeves 802. The lifting adjustment frame 8 is slidably connected to the two vertical screws 105 through the two vertical guide sleeves 802, thereby ensuring that the lifting adjustment frame 8 can slide up and down strictly along the axial direction of the vertical screws 105 and drive the protective cylinder cover 2 fixed thereto to rise and fall synchronously. In the middle of each vertical guide sleeve 802, a lifting screw sleeve 803 is rotatably arranged. The two lifting screw sleeves 803 are nested and threadedly connected to the corresponding vertical screws 105. On the outside of each lifting screw sleeve 803, a synchronous drive gear 804 is fixedly arranged around it. A central drive gear 805 is installed in the middle of the lifting adjustment frame 8. The shaft end of the central drive gear 805 is connected to a lifting drive motor 806. The central drive gear 805 is also meshed with the synchronous drive gears 804 on the two lifting screw sleeves 803. When the lifting drive motor 806 works, it drives the central drive gear 805 to rotate. The central drive gear 805 drives the synchronous drive gears 804 on both sides to rotate synchronously and in opposite directions. The rotation of the synchronous drive gears 804 drives the lifting screw sleeves 803 to rotate. Since the lifting screw sleeves 803 are threadedly engaged with the fixed vertical screw 105, and the lifting adjustment frame 8 is restricted from rotation by the guide sleeve, the rotational motion of the lifting screw sleeves 803 is converted into the linear lifting motion of the entire lifting adjustment frame 8 along the vertical screw 105. This achieves stable and precise lifting of the protective cover 2, thereby controlling the lifting of the protective cover 2. It replaces the traditional manual push-pull operation, realizes stable automatic lifting, reduces the intensity of operation, and greatly improves the user experience and the grade of the display case.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, a flexible support mechanism is arranged around the bottom of the protective cover 2 of the display case. This mechanism includes a support bottom ring 201, on which multiple vertical connecting sleeves 202 are evenly distributed around the bottom surface. Correspondingly, multiple spaced connecting rods 801 are also evenly arranged around the top of the lifting adjustment frame 8. These spaced connecting rods 801 are nested upwards and inserted into the inner side of the corresponding vertical connecting sleeves 202. Each vertical connecting sleeve 202 and its corresponding spaced connecting rod 801 are connected in a specific configuration. Between each of the protective cylinder cover 2 and the lifting drive mechanism below, a flexible spacer sleeve 203 is provided. The flexible spacer sleeve 203 is made of elastic damping materials such as rubber and silicone, so that the bottom of the protective cylinder cover 2 is flexibly connected to the lifting drive mechanism below. At the same time, another flexible component, a flexible spacer ring 204, is provided around the top outer edge of the protective cylinder cover 2. A corresponding annular fitting groove 402 is opened on the bottom edge of the top cover 4. When the protective cylinder cover 2 is raised to the display position, its top flexible spacer ring 204 fits into the annular fitting groove of the top cover 4. Within the slot 402, a tight but non-rigid hard contact is formed. Through the aforementioned flexible connection design at the bottom and top, the protective cylinder 2 is actually suspended and connected to other support structures through elastic damping elements, rather than being rigidly fixed. This maximizes the performance of the protective cylinder 2 as a high-frequency resonant cavity. The flexible connection design removes the rigid constraints between the protective cylinder 2 and the rigid support structure, allowing it to generate high-quality resonance more freely and fully when driven by the top tweeter 401. This effectively broadens the high-frequency response, improves the propagation characteristics of the high-frequency band, enhances the auditory experience of advertising sound effects, and physically blocks the violent vibrations generated by the support cylinder 1 when playing strong bass from being directly transmitted to the protective cylinder 2. The flexible spacer sleeve 203 at the bottom and the flexible spacer ring 204 at the top form a double isolation barrier, effectively absorbing the mutual interference between vibrations of different frequency bands, preventing the tweeter unit from being subjected to unnecessary modulation, and ensuring that the sound of each frequency band (high, mid, and low) is pure, clear, and free from crosstalk, with distinct sound layers.

[0025] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, a ring support frame 3 is fixedly connected to the bottom of the lifting and adjusting frame 8 of the display case. Multiple mid-range speakers 301 are evenly arranged around and fixed on this ring support frame 3. The mid-range speaker group 301 and the lifting and adjusting frame 8 form a rigidly connected whole. On the top of the side wall of the support cylinder 1, corresponding to the initial position of the ring support frame 3 and the mid-range speakers 301, multiple acoustic guide ports 302 are evenly arranged around. The outer side of the acoustic guide ports 302 is covered with a ring protective net 303 to prevent foreign objects from entering the interior of the support cylinder 1 and to ensure that the sound can pass through smoothly. When the lifting drive motor 806 works and drives the lifting and adjusting frame 8 to lift and lower the protective cylinder cover 2, all the mid-range speakers 301 fixed on the ring support frame 3 at the bottom also move up and down synchronously. When the protective cylinder cover 2 is fully raised to the display position, the mid-range speaker group 301 is precisely aligned with the acoustic guide port 302 located on the side wall of the support cylinder 1, ensuring that the mid-frequency sound waves generated can diffuse to the outside of the display case efficiently and without obstruction.

[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, a support connecting block 901 is fixedly installed at the top of each vertical support rod 9 of the display cabinet. On the bottom surface of the top cover 4, corresponding to the position of each support connecting block 901, a support connecting groove 404 is provided. The support connecting groove 404 and the support connecting block 901 are connected by a mutually cooperating sliding interlocking structure. When the top cover 4 needs to be installed, simply align the support connecting grooves 404 below the top cover 4 with the corresponding support connecting blocks 901, lower it vertically, and press down slightly to achieve a stable mechanical fit between the two. This ensures the top cover 4... The power supply and control signal transmission of electrical components are achieved through pre-embedded connecting wires 903 within each vertical support rod 9. A connecting plug 902 is located in the center of the support connecting block 901, providing electrical connection with the connecting wires 903 within the vertical support rod 9. Correspondingly, a connecting socket 405 is located in the center of the support connecting groove 404 of the top cover 4. When the support connecting groove 404 and the support connecting block 901 are mechanically engaged, the connecting socket 405 and the connecting plug 902 simultaneously and precisely align, thus achieving automatic electrical connection. Conversely, lifting the top cover 4 to detach it automatically disconnects the electrical connection along with the mechanical connection, making the top cover 4 a complete and independent functional module, facilitating maintenance of any equipment within the top cover 4.

[0027] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, the display case has a fixed support platform 5 on top of the support cylinder base 1. A support platform 7 for supporting exhibits is located directly above this fixed support platform 5, and the fixed support platform 5, the support platform 7, and the protective cylinder cover 2 are coaxially arranged. At the geometric center of the fixed support platform 5, a central rotating platform 503 is fitted in. The central rotating platform 503 is rotatably connected to the fixed support platform 5 through a rotating connecting ring 504 surrounding its outer side, allowing the central rotating platform 503 to rotate freely horizontally relative to the fixed support platform 5. To achieve drive, a friction drive ring 501 is coaxially arranged around the outer side of the rotating connecting ring 504. The inner surface of the friction drive ring 501 is in close contact with the outer surface of the rotating connecting ring 504. The friction drive ring 501 is connected to a rotary drive motor 502, which drives the friction drive ring 501 to rotate when the motor is working. Relying on the friction between the inner side of the friction drive ring 501 and the outer side of the rotating connecting ring 504, the rotating connecting ring 504 and the central rotating platform 503 fixed thereto rotate smoothly together. The rotation of the central rotating platform 503 will directly drive the supporting platform 7 and the exhibits placed on it to rotate synchronously and smoothly. By driving the exhibits to rotate slowly, the audience can observe every detail of the exhibits from all angles without moving. Compared with static display, dynamic display can more effectively attract and maintain the audience's attention, fully showcasing the overall shape and design features of the product, and enhancing the visual impact and information coverage of the advertising display.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14As shown, preferably, the display cabinet has symmetrically arranged clearance guide sleeves 6 at the edge of the fixed support platform 5. The fixed support platform 5 is slidably connected to the vertical screw 105 through these clearance guide sleeves 6, so that when the lifting adjustment frame 8 moves up and down along the vertical screw 105, when it contacts and pushes the fixed support platform 5, it can drive the fixed support platform 5 to move up and down together. In order to realize the lockable connection between the fixed support platform 5 and the vertical screw 105, a locking guide sleeve 601 is horizontally arranged on the side wall of each clearance guide sleeve 6. A magnetic locking pin 603 is slidably nested inside the locking guide sleeve 601. An unlocking electromagnet 602 is installed at the end of the locking guide sleeve 601. At the same time, a locking spring 604 is sleeved on the magnetic locking pin 603. The spring is normally in a compressed state, and its elastic force tends to push the magnetic locking pin 603 outward. A locking slot 106 is correspondingly provided on the top side wall of the vertical screw 105. When the lifting adjustment frame 8 rises and pushes the fixed support platform 5 to the highest position of the support cylinder seat 1, the magnetic locking pin 603 automatically pops out under the elastic force of the locking spring 604 and precisely embeds into the locking slot 106 of the vertical screw 105, realizing the mechanical locking of the guide sleeve 6 and the vertical screw 105. This allows the fixed support platform 5 and the supporting platform 7 above it to obtain stable support and fixation through the vertical screw 105. When the unlocking electromagnet 602 is energized, the magnetic force it generates overcomes the elastic force of the locking spring 604, attracting the magnetic locking pin 603 back and disengaging it from the locking slot 106, thereby releasing the locked state. At this time, the fixed support platform 5 is no longer fixed to the vertical screw 105, and the lifting adjustment frame 8 can independently drive the protective cylinder cover 2 to move up and down, while the fixed support platform... The protective cover 2 and the supporting platform 7 remain in their original positions. Through the above structure, the display case has two working modes. In the independent lifting mode, the protective cover 2 can be lowered separately for easy access or replacement of exhibits, while the supporting platform 7 and exhibits remain at the top display position, which is suitable for daily maintenance. In the linkage lifting mode, the protective cover 2 and the supporting platform 7 can be locked together and raised and lowered synchronously. This provides the possibility of adjusting the optimal visual height of the exhibits or achieving special display effects. In addition, through the linkage mode, the supporting platform 7 and exhibits and the protective cover 2 can be lowered together and completely stored in the central storage compartment 101 formed inside the support base 1. This allows the entire display case to be folded into a compact and highly integrated columnar unit when not in use or during transportation, which significantly reduces the overall volume and floor space, reduces the cost and difficulty of logistics transportation and warehousing, and solves the problem of inconvenient movement of large display equipment.

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 , Figure 11 , Figure 12 , Figure 13 and Figure 14 As shown, preferably, multiple permanent magnets 507 are evenly embedded around the inner edge of the central rotating platform 503 of the display case. These permanent magnets 507 are arranged with their poles facing upwards to generate a constant upward repulsive magnetic force. Four balancing electromagnets 505 are evenly arranged around the central area of ​​the central rotating platform 503. Multiple Hall sensors 506 are arranged around the outside of the balancing electromagnets 505. A support platform 7 directly supports the exhibits and has a central magnet 701 embedded inside. This central magnet 701 is aligned with the permanent magnets 507 below. The support platform 7 is not physically placed on the central rotating platform 503, but is magnetically levitated above it. The multiple Hall sensors 506 detect the spatial position of the central magnet 701 within the levitated support platform 7 in real time and generate corresponding position signals. These position signals are transmitted to the display case's controller. The controller dynamically and precisely adjusts the flow of energy to the four flat surfaces based on the received real-time position signals. The magnitude and direction of the current in the balancing electromagnet 505 are adjusted to generate a controllable attractive or repulsive force between the balancing electromagnet 505 and the central magnet 701 of the supporting platform 7. This controllable magnetic force, together with the constant magnetic repulsive force provided by the edge permanent magnet 507, forms a dynamically balanced magnetic field. Through closed-loop feedback control, the system can counteract the gravity of the supporting platform 7 and the exhibits it carries in real time, and automatically correct minor horizontal offsets or tilts. This ensures that the supporting platform 7 maintains a stable and balanced suspended state above the central rotating platform 503. The rotation of the central rotating platform 503 can be driven independently, causing the entire magnetic field structure and the suspended supporting platform 7 to rotate smoothly. This places the exhibits in a stable suspended state without any visible physical support and allows them to rotate gracefully, improving the display effect. It also eliminates scratches, pressure, or vibration transmission that may be caused by traditional support methods, and avoids vibrations from speakers and external sources being transmitted to the exhibits, causing vibration interference or damage.

[0030] The audiovisual integrated advertising display cabinet provided by this invention uses the core support and protective structure of the display cabinet as the resonant cavity of the high and low frequency speakers 102. This eliminates the need for large, independent audio equipment that traditional display cabinets must have in order to obtain high-quality sound effects. This not only simplifies the overall structure and effectively saves display space, but also makes the overall structure of the display cabinet more compact and beautiful. It is suitable for use in scenarios with limited space, such as shopping malls, exhibition halls, and trade shows. This allows product display and sound propagation to be integrated in physical space, achieving an integrated structural design.

[0031] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the invention is limited to these examples; within the framework of the invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the invention should be included within the scope of protection of the invention.

Claims

1. An audiovisual advertising display case, comprising a movable base (103), characterized in that, Also includes: A support cylinder (1) is disposed above the movable base (103), and the support cylinder (1) is constructed as a hollow cylindrical shell structure; A vertical support rod (9) is fixedly installed on the inner edge of the support cylinder seat (1) and extends upward; Top cover (4), which is fixedly connected to the top of all the vertical support rods (9). The protective cover (2) is made of transparent material and constructed as a hollow cylindrical shell structure. The protective cover (2) is located above the support cylinder (1) and has a support platform (7) for supporting the displayed products inside. The protective cover (2) and the support cylinder (1) are slidably connected. The top cover (4) and the top opening of the protective cylinder cover (2) are separated from each other. The top cover (4) is independently supported by the vertical support rod (9). The protective cylinder cover (2) can slide downward and be completely stored in the inner cavity of the support cylinder base (1) to facilitate the storage and display of products. A bass speaker (102) is disposed at the bottom of the support cylinder (1), and the housing of the support cylinder (1) constitutes the resonant cavity of the bass speaker (102); A midrange speaker (301), multiple midrange speakers (301) are evenly arranged around the top of the support cylinder (1); A tweeter (401) is disposed in the middle of the top cover (4) and faces the inside of the protective cover (2), the protective cover (2) forming the resonant cavity of the tweeter (401).

2. The audiovisual combined advertising design display cabinet according to claim 1, characterized in that, The support cylinder base (1) has two vertical screws (105) arranged symmetrically inside. The bottom of the protective cylinder cover (2) is connected to a lifting adjustment frame (8). The middle of the lifting adjustment frame (8) is symmetrically provided with a vertical guide sleeve (802). The lifting adjustment frame (8) is slidably connected to the vertical screws (105) through the vertical guide sleeve (802). When the lifting adjustment frame (8) slides up and down along the vertical screws (105), it drives the protective cylinder cover (2) to move up and down synchronously.

3. The audiovisual combined advertising design display cabinet according to claim 2, characterized in that, A lifting screw sleeve (803) is rotatably provided in the middle of the vertical guide sleeve (802). The lifting screw sleeve (803) and the vertical screw (105) are nested together. A synchronous drive gear (804) is arranged around the outer side of the lifting screw sleeve (803). A central drive gear (805) is provided in the middle of the lifting adjustment frame (8). A lifting drive motor (806) is connected to the shaft end of the central drive gear (805). The central drive gear (805) is synchronously meshed with the synchronous drive gears (804) of the lifting screw sleeves (803) on both sides. The central drive gear (805) can simultaneously drive the synchronous drive gears (804) on both sides to rotate synchronously in opposite directions, thereby driving the lifting screw sleeves (803) on both sides to rotate synchronously in opposite directions, so as to drive the lifting adjustment frame (8) to move up and down along the vertical screw (105).

4. The audiovisual combined advertising design display cabinet according to claim 3, characterized in that, The bottom of the protective cylinder cover (2) is surrounded by a flexible support mechanism, which includes a support bottom ring (201). The bottom surface of the support bottom ring (201) is evenly surrounded by multiple vertical connecting sleeves (202). The top of the lifting adjustment frame (8) is evenly surrounded by multiple spacer connecting rods (801). The spacer connecting rods (801) are nested inside the vertical connecting sleeves (202). A flexible spacer sleeve (203) is provided between the vertical connecting sleeves (202) and the spacer connecting rods (801). The flexible support mechanism also includes a flexible spacer ring (204) surrounding the top of the protective cylinder cover (2). An annular fitting groove (402) is surrounded at the bottom edge of the top cover (4). The flexible spacer ring (204) and the annular fitting groove (402) are mutually fitted.

5. The audiovisual combined advertising design display cabinet according to claim 3, characterized in that, The bottom of the lifting and adjusting frame (8) is provided with an annular support frame (3), and multiple mid-range speakers (301) are evenly arranged around the annular support frame (3). The top of the side wall of the support cylinder (1) is evenly arranged with an acoustic guide port (302), and an annular protective net (303) is arranged around the outside of the acoustic guide port (302).

6. The audiovisual combined advertising design display cabinet according to claim 1, characterized in that, The top of the vertical support rod (9) is provided with a support connecting block (901), and the bottom surface of the top cover (4) is provided with a support connecting groove (404) at a corresponding position. The support connecting groove (404) and the support connecting block (901) are mutually engaged and slidably connected. The interior of the vertical support rod (9) is provided with a connecting wire (903). The middle of the support connecting block (901) is provided with a connecting plug (902). The connecting plug (902) is electrically connected to the connecting wire (903). The middle of the support connecting groove (404) is provided with a connecting socket (405). The connecting socket (405) and the connecting plug (902) cooperate with each other. When the support connecting groove (404) and the support connecting block (901) are mutually engaged, the connecting socket (405) and the connecting plug (902) are simultaneously electrically connected.

7. The audiovisual combined advertising design display cabinet according to claim 2, characterized in that, A fixed support platform (5) is provided on the top of the support cylinder base (1), and the supporting platform (7) is located above the fixed support platform (5). The fixed support platform (5), the supporting platform (7) and the protective cylinder cover (2) are coaxially arranged. A central rotating platform (503) is fitted at the center of the fixed support platform (5), and a rotating connecting ring (504) is arranged around the outside of the central rotating platform (503). The central rotating platform (503) is rotatably connected to the fixed support platform (5) through the rotating connecting ring (504).

8. The audiovisual combination advertising design display cabinet according to claim 7, characterized in that, A friction drive ring (501) is provided on the outer side of the rotating connecting ring (504). The inner side of the friction drive ring (501) is in contact with the outer side of the rotating connecting ring (504). The friction drive ring (501) is connected to a rotating drive motor (502). The rotating drive motor (502) drives the friction drive ring (501) to drive the rotating connecting ring (504) and the central rotating platform (503) to rotate by means of friction, thereby driving the supporting platform (7) to rotate synchronously.

9. The audiovisual combined advertising design display cabinet according to claim 8, characterized in that, The fixed support platform (5) is symmetrically provided with clearance guide sleeves (6) at its edge. The fixed support platform (5) is slidably connected to the vertical screw (105) through the clearance guide sleeves (6), so that when the lifting adjustment frame (8) moves up and down along the vertical screw (105), it can drive the fixed support platform (5) to move up and down synchronously. A locking guide sleeve (601) is horizontally provided on the side wall of the clearance guide sleeve (6). A magnetic locking pin (603) is slidably nested inside the locking guide sleeve (601). An unlocking electromagnet is provided at the end of the locking guide sleeve (601). (602) A locking spring (604) is provided on the magnetic locking pin (603), and a locking slot (106) is provided on the top of the side wall of the vertical screw (105). The locking slot (106) and the magnetic locking pin (603) cooperate with each other. When the lifting adjustment frame (8) pushes the fixed support platform (5) to rise to the top of the support cylinder (1), the magnetic locking pin (603) is embedded in the locking slot (106) to connect the locking clearance guide sleeve (6) and the vertical screw (105), so that the fixed support platform (5) is supported and fixed by the vertical screw (105).

10. The audiovisual combination advertising design display cabinet according to claim 9, characterized in that, Multiple permanent magnets (507) are evenly arranged around the inner edge of the central rotating platform (503), four balancing electromagnets (505) are evenly arranged around the middle of the central rotating platform (503), multiple Hall sensors (506) are arranged around the outer side of the balancing electromagnets (505), and a central magnet (701) is arranged inside the supporting platform (7).

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