Signboard with stereoscopic visual effect

Abstract

The invention relates to the technical field of signboards, and discloses a signboard with a stereoscopic visual effect, which comprises a stand column, a shell is fixedly connected to the top end of the stand column, liquid crystal stereoscopic display screens are embedded in the two sides of the shell, a protection assembly is arranged in the shell, and a shading assembly is arranged at the upper part of the shell. A covering assembly is arranged outside the protection assembly, the protection assembly comprises a bottom plate slidably connected to the interior of the shell, a support is fixedly connected to the upper portion of the bottom plate, a sliding rod is slidably arranged in the support in a limited mode, and a protection plate is movably connected to the outer surface of the sliding rod. By arranging the protection assembly, in severe weather, the two protection plates are driven to move upwards and then are overturned and unfolded on the two sides of the shell in parallel through the limiting structure, automatic telescopic overturning of the protection plates is achieved, rain, snow and foreign matter are effectively blocked, clear display of the liquid crystal three-dimensional display screen is guaranteed, and the outdoor adaptability is improved; and the service life of the signboard is obviously prolonged.

Description

Technical Field

[0001] This invention relates to the field of signage technology, and in particular to a signage with a three-dimensional visual effect. Background Technology

[0002] Signage is a visual medium that conveys information, guides direction, and highlights attributes. It is widely used in commercial spaces, public facilities, scenic spots, and other scenarios. Its core function is to quickly convey key information such as location, warnings, and branding. It combines practicality and decoration, and breaks through the limitations of two-dimensionality by using material superposition, three-dimensional modeling, and light and shadow design to present a layered naked-eye 3D stereoscopic visual effect.

[0003] In the prior art, Chinese patent document CN115376408A discloses an electronic information signage device, including a counterweight plate. A column is fixedly connected to the top central axis of the counterweight plate, and a housing is fixedly connected to the end of the column away from the counterweight plate. A display screen is installed inside the front of the housing. When the device is used for a long time, the internal components will heat up. Under the action of the increased temperature, the circular air bladder will deform, which can drive the squeezing rod to squeeze the air bladder. Under the squeezing effect, the gas inside the air bladder can enter the interior of the L-shaped gas tube. Under the pushing effect of the gas, the air pressure rod can drive the cleaning crossbar and cleaning brush to move up and down along the outer wall of the display screen. The movement of the cleaning brush can be used to clean the outer wall of the display screen, preventing too much dust from adhering to the outer wall of the display screen and affecting the identification effect.

[0004] Regarding the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: While outdoor signs can conveniently convey information, they need to withstand the test of complex weather over a long period of time. Strong sunlight on sunny days can easily cause reflections on the display screen and reduce the readability of information. In rainy or snowy weather, rain and snow can easily adhere to the surface of the display screen. In low-temperature environments, icing may also occur. These problems not only directly affect the normal information display function of the sign, but also cause irreversible damage to the display screen, significantly shortening its service life and posing a significant challenge to the stable application of outdoor signs. Summary of the Invention

[0005] The technical problem to be solved by the present invention is that the existing technology of outdoor signs is affected by sunlight reflection and rain, snow and ice, which not only interferes with the information display, but also damages the display screen, shortens the service life and affects the stable application. To this end, we propose a sign with a three-dimensional visual effect.

[0006] To achieve the above objectives, this application adopts the following technical solution: a sign with a stereoscopic visual effect, including a column, a housing fixedly connected to the top of the column, a liquid crystal stereoscopic display screen embedded on both sides of the housing, a protective component inside the housing, a light-shielding component on the upper part of the housing, and a covering component outside the protective component. The protective component includes a base plate slidably connected to the inside of the housing, a support fixedly connected to the upper part of the base plate, a sliding rod slidably limited inside the support, and a protective plate movably connected to the outer surface of the sliding rod; The light-shielding component includes a top box fixedly connected to the top of the protective plate. The top box has telescopic rods that are slidably connected to both ends inside. A storage box is fixedly connected to the outer surface of the two telescopic rods. The storage box is equipped with a light-shielding cloth inside.

[0007] Preferably, the slide rod is composed of a folded rod and a round rod, and a sliding groove is formed through the outer surface of the support. The slide rod is limited to slide inside the sliding groove, and a track is formed on the inner wall of the housing. The end of the slide rod is slidably engaged inside the track.

[0008] Preferably, a damping bearing is provided at the end of the slide rod away from the inner wall of the housing, the damping bearing is rotatably connected to the shaft of the protective plate, a gear is fixedly connected to the end of the shaft of the protective plate, and a rack is obliquely embedded in the upper surface of the housing.

[0009] Preferably, the inner wall of the housing is rotatably connected to a bidirectional threaded rod, the outer surface of the housing is provided with a motor, the drive end of the motor is fixedly connected to the bidirectional threaded rod, the outer surface of the bidirectional threaded rod is threaded with a slide block, the outer surface of the slide block is hinged with a push rod, and the end of the push rod away from the slide block is hinged to the lower surface of the base plate.

[0010] Preferably, the storage box has a rotating shaft rotatably connected inside, the light-blocking cloth is wrapped around the outer surface of the rotating shaft, and a spring is sleeved on the outer surface of the end of the rotating shaft. The end of the spring away from the rotating shaft is fixedly connected to the inner wall of the storage box.

[0011] Preferably, the telescopic rod is hollow inside and equipped with a long helical spring. The end of the long helical spring away from the telescopic rod is fixedly connected to the inner wall of the top box. The end of the telescopic rod away from the top box is fixedly connected to a strip rod, and the strip rod is fixedly connected to the light-blocking cloth.

[0012] Preferably, the covering assembly includes a wedge that is movably inserted into the top of the protective plate, a vertical rod is fixedly connected to the lower surface of the wedge, and the top of the wedge is set as an inclined surface and penetrates the bottom of the top box.

[0013] Preferably, a slider is movably inserted on the outer surface of the protective plate, and an insulation plate is fixedly connected to one end of the slider that extends out of the protective plate.

[0014] Preferably, a limiting block is fixedly connected to the outer surface of the vertical rod, and a limiting groove is formed through the outer surface of the slider, with the limiting block sliding inside the limiting groove.

[0015] Preferably, a partition is fixedly connected to the upper part of the inner wall of the protective plate, the vertical rod passes through the partition, and a return spring is sleeved on the outer surface of the vertical rod. One end of the return spring is fixedly connected to the lower surface of the wedge, and the other end is fixedly connected to the upper surface of the partition.

[0016] The technical effects and advantages of this invention are as follows: In this invention, by setting up protective components, in severe weather, the two protective plates are driven to move upward and then flipped using a limiting structure, unfolding parallel to both sides of the shell, realizing the automatic extension and flipping of the protective plates, effectively blocking rain, snow and foreign objects, ensuring clear display of the LCD 3D display screen, improving outdoor adaptability, and significantly extending the service life of the sign. In this invention, by placing the light-shielding component above the housing, and using structures such as telescopic rods to cooperate with the operation of the protective plate, the light-shielding cloth can be extended and retracted. The light-shielding cloths extending on both sides form a symmetrical sunshade structure, which effectively blocks the strong light above the LCD 3D display screen, significantly reduces reflective interference, improves image clarity, and thus optimizes the viewing experience for passersby. In this invention, by adding a covering component to the outer surface of the protective plate, when the protective plate shields and protects the LCD 3D display screen, the retraction of the linkage telescopic rod drives the insulation plate to cover and protect the LCD 3D display screen, forming a sealed insulation layer. This effectively locks in the working heat of the display screen, prevents moisture from seeping into the screen surface after rain and snow melt, and prevents icing in low-temperature environments, further strengthening the all-round protection of the display screen. Attached Figure Description

[0017] The disclosure of this invention is illustrated with reference to the accompanying drawings. It should be understood that the drawings are for illustrative purposes only and are not intended to limit the scope of protection of this invention. In the drawings, the same reference numerals are used to refer to the same parts: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the internal structure of the housing of the present invention; Figure 3 This is a first-view structural diagram of the protective component of the present invention; Figure 4 This is a second-view structural diagram of the protective component of the present invention; Figure 5This is a schematic diagram of the connection structure between the support and the protective plate of the present invention; Figure 6 This is a schematic diagram of the cooperation structure between the protective component and the light-shielding component of the present invention; Figure 7 This is a schematic diagram of the light-shielding component structure of the present invention; Figure 8 This is a schematic diagram of the internal structure of the storage box of the present invention; Figure 9 This is a schematic diagram of the protective component and the covering component of the present invention; Figure 10 This is a schematic diagram of the cover component structure of the present invention.

[0018] Legend: 1. Column; 2. Housing; 3. LCD 3D display screen; 4. Protective components; 41. Base plate; 42. Support; 43. Slide rod; 44. Damping bearing; 45. Protective plate; 46. Track; 47. Slide groove; 48. Gear; 49. Rack; 410. Bidirectional threaded rod; 411. Motor; 412. Slide seat; 413. Push rod; 5. Light-shielding components; 51. Top box; 52. Storage box; 53. Rewinding shaft; 54. Light-shielding cloth; 55. Telescopic rod; 56. Strip rod; 57. Long helical spring; 58. Clockwork spring; 6. Covering components; 61. Wedge block; 62. Vertical rod; 63. Slider; 64. Insulation board; 65. Limiting block; 66. Limiting groove; 67. Partition plate; 68. Return spring. Detailed Implementation

[0019] It is readily understood that, based on the technical solution of this invention, those skilled in the art can propose various interchangeable structural methods and implementations without altering the essential spirit of the invention. Therefore, the following detailed embodiments and accompanying drawings are merely illustrative examples of the technical solution of this invention and should not be considered as the entirety of the invention or as limitations or restrictions on the technical solution of this invention.

[0020] Reference Figures 1 to 10 As shown, the present invention provides a technical solution: a sign with a three-dimensional visual effect, including a column 1, a housing 2 fixedly connected to the top of the column 1, a liquid crystal three-dimensional display screen 3 embedded on both sides of the housing 2, a protective component 4 provided inside the housing 2, a light-shielding component 5 provided on the upper part of the housing 2, and a covering component 6 provided outside the protective component 4.

[0021] The column 1 is fixed at the designated location, and the housing 2 is installed on top of the column 1 to complete the construction of the sign. Both sides of the housing 2 are embedded with LCD 3D displays, which can transmit information from multiple angles. The naked-eye 3D video displayed by the LCD 3D displays can attract passersby to watch. The display effect is better than that of ordinary flat signs. The light-shielding component 5 can block the space above the LCD 3D displays on sunny days to reduce the impact of light on viewing and improve the viewing experience of passersby. The protective component 4 can move to both sides of the housing 2 in rainy or snowy weather to protect the LCD 3D displays, achieving the effect of protecting the LCD 3D displays and blocking the damage of rain and snow, thus improving the service life of the LCD 3D displays. At the same time, the covering component 6 is equipped to cover the outside of the LCD 3D displays to prevent the outer surface of the LCD 3D displays from freezing in low temperatures.

[0022] Reference Figures 2 to 5 As shown, the protective component 4 includes a base plate 41 slidably connected to the inside of the housing 2. A support 42 is fixedly connected to the upper part of the base plate 41. A sliding rod 43 is slidably limited inside the support 42. A protective plate 45 is movably connected to the outer surface of the sliding rod 43. The sliding rod 43 is composed of a folded rod and a round rod. A groove 47 is formed through the outer surface of the support 42. The sliding rod 43 is limited to slide inside the groove 47. A track 46 is formed on the inner wall of the housing 2. The end of the sliding rod 43 is slidably engaged inside the track 46. A damping bearing 44 is provided at the end of the sliding rod 43 away from the inner wall of the housing 2. The damping bearing 44 is rotatably connected to the shaft of the protective plate 45. The design of the bearing 44 allows the protective plate 45 to remain stationary when no force is applied, preventing the protective plate 45 from rotating. A gear 48 is fixedly connected to the end of the shaft of the protective plate 45. A rack 49 is obliquely embedded in the upper surface of the housing 2. A bidirectional threaded rod 410 is rotatably connected to the inner wall of the housing 2. A motor 411 is provided on the outer surface of the housing 2. The drive end of the motor 411 is fixedly connected to the bidirectional threaded rod 410. A slide 412 is threaded on the outer surface of the bidirectional threaded rod 410. A push rod 413 is hinged to the outer surface of the slide 412. The end of the push rod 413 away from the slide 412 is hinged to the lower surface of the base plate 41.

[0023] The protective mechanism uses motor 411 as the power core. Motor 411 drives the bidirectional threaded rod 410 to rotate precisely. The slide 412 sleeved on its outer surface is driven by the thread and moves smoothly to both ends of the rod synchronously. When the slide 412 moves, it drives the push rod 413 to rotate around the axis through the hinge structure. The other end of the push rod 413 is hinged to the base plate 41, which in turn pushes the base plate 41 to slide vertically upward along the inner wall of the shell 2. The support 42, slide rod 43 and other linkage structures on the upper part of the base plate 41 rise synchronously with the base plate 41. The slide rod 43 inside the support 42 is embedded in the preset track 46 of the shell 2 and slides vertically upward along the track 46. When the slide rod 43 slides to the arc section on the upper part of the track 46, it turns and moves along the arc trajectory. At the same time, it slides laterally to both ends in the groove 47 in the middle of the support 42. At this time, the protective plate 45 has extended from the top of the housing 2. The lateral sliding of the slide rod 43 drives the protective plate 45 to move outward of the housing 2 through the linkage structure. During the movement, the gear 48 on the side of the protective plate 45 meshes with the inclined rack 49 on the housing 2. It rotates due to the limiting effect of the rack 49, driving the protective plate 45 to flip outward. When the slide rod 43 slides to the end of the groove 47, the protective plate 45 has just completed a 180-degree flip and unfolds parallel to both sides of the housing 2. The automatic extension, flipping and unfolding of the protective plate 45 is achieved through mechanical linkage, which effectively blocks rain and snow, avoids damage from foreign objects, ensures clear display of the screen, and extends its outdoor service life.

[0024] Reference Figure 6 , Figure 9 and Figure 10 As shown, the light-shielding assembly 5 includes a top box 51 fixedly connected to the top of the protective plate 45. Telescopic rods 55 are slidably connected to both ends of the top box 51. A storage box 52 is fixedly connected to the outer surfaces of the two telescopic rods 55. A light-shielding cloth 54 is installed inside the storage box 52. A winding shaft 53 is rotatably connected inside the storage box 52. The light-shielding cloth 54 is wound around the outer surface of the winding shaft 53. A spring-loaded spring 58 is sleeved on the outer surface of the end of the winding shaft 53. The end of the spring-loaded spring 58 away from the winding shaft 53 is fixedly connected to the inner wall of the storage box 52. The telescopic rods 55 are hollow inside and equipped with a long helical spring 57. The end of the long helical spring 57 away from the telescopic rod 55 is fixedly connected to the inner wall of the top box 51. A strip rod 56 is fixedly connected to the end of the telescopic rod 55 away from the top box 51. The strip rod 56 is fixedly connected to the light-shielding cloth 54.

[0025] When the protective plate 45 is flipped down and retracted, the end of the telescopic rod 55 connected to it contacts the housing 2 first. Under the action of the flipping pressure, the telescopic rod 55 retracts inward along the inner wall of the top box 51, simultaneously squeezing the long spiral spring 57 inside, putting it in a compressed energy storage state. At the same time, the spring spring 58 linked with the telescopic rod 55 begins to recover potential energy, driving the winding shaft 53 to rotate clockwise, smoothly winding the originally unfolded light-blocking cloth 54 into the top box 51 until the telescopic rod 55 is completely retracted and stored in the top box 51, without occupying extra space. When the protective plate 45 flips upward and gradually retracts into the housing 2, the long spiral spring 57 releases the stored elastic potential energy, driving the telescopic rod 55 to extend outward at a uniform speed. The telescopic rod 55 pulls the light-shielding cloth 54 through the strip rod 56 at the end, so that it moves smoothly out of the storage box 52 and unfolds. At this time, the bottom box is exactly above the housing 2, and the light-shielding cloths 54 extending on both sides form a symmetrical sunshade structure, which effectively blocks the strong light above the LCD 3D display screen 3, significantly reduces reflection interference, improves the clarity of the picture, and thus optimizes the viewing experience of passers-by.

[0026] Reference Figures 6 to 8 As shown, the covering component 6 includes a wedge 61 that is movably inserted into the top of the protective plate 45. A vertical rod 62 is fixedly connected to the lower surface of the wedge 61. The top of the wedge 61 is set as an inclined surface and penetrates the bottom of the top box 51. A slider 63 is movably inserted into the outer surface of the protective plate 45. An insulation plate 64 is fixedly connected to one end of the slider 63 that extends out of the protective plate 45. A limit block 65 is fixedly connected to the outer surface of the vertical rod 62. A limit groove 66 is opened through the outer surface of the slider 63. The limit block 65 slides inside the limit groove 66. A partition 67 is fixedly connected to the upper part of the inner wall of the protective plate 45. The vertical rod 62 penetrates the partition 67. A return spring 68 is sleeved on the outer surface of the vertical rod 62. One end of the return spring 68 is fixedly connected to the lower surface of the wedge 61, and the other end is fixedly connected to the upper surface of the partition 67.

[0027] When the retractable rod moves inward inside the top box 51, its end precisely pushes the wedge 61 to slide horizontally into the protective plate 45. During the sliding process, the wedge 61 pushes the vertical rod 62 to move vertically downward along the preset channel of the protective plate 45, simultaneously pressing the bottom reset spring 68 to compress it. When the vertical rod 62 moves downward, the limiting block 65 on its side slides strictly along the limiting groove 66 on the outer surface of the slider 63 to ensure the stability of the vertical rod 62's movement trajectory. The limiting block 65, in conjunction with the slider 63, slides laterally outward from the protective plate 45, ultimately pushing the insulation plate 64 to smoothly abut against the outer surface of the LCD 3D display screen 3. After the insulation plate 64 completely covers the display screen, it forms a sealed insulation layer, effectively locking in the working heat of the display screen, preventing water from seeping into the screen surface after rain and snow melt, and preventing icing in low-temperature environments, further strengthening the all-round protection of the display screen. When the top box 51 rotates with the protective plate 45 to the upper part of the housing 2, the telescopic rod 55 extends fully under the action of the spring driving force, the pressure inside the top box 51 is released, the reset spring 68 releases elastic potential energy, pushes the wedge block 61 to reset and slide upward, and at the same time pulls the vertical rod 62 vertically upward through the connecting structure. The vertical rod 62 drives the limit block 65 and the slider 63 to move in the opposite direction, so that the insulation plate 64 is separated from the surface of the display screen and tightly attached to the outer surface of the protective plate 45, so that the insulation plate 64 and the protective plate 45 form an integral structure, avoiding the insulation plate 64 from hindering the recycling of the protective plate 45, ensuring that the protective plate 45 can move downward smoothly and be stored in the housing 2 without affecting the normal use of the sign.

[0028] Working principle: Staff fix the column 1 at the designated location, and install the shell 2 on the top of the column 1 to complete the construction of the sign. Both sides of the shell 2 are embedded with LCD 3D display screens 3, which can transmit information from multiple angles. The naked-eye 3D video displayed by the LCD 3D display screen can attract passers-by to watch, and the display effect is better than that of ordinary flat signs. In rainy or snowy weather, the staff starts the motor 411 to drive the internal structure of the housing 2. The motor 411 drives the bidirectional threaded rod 410 to rotate and drives the slide block 412 fitted on the outer surface of the bidirectional threaded rod 410 to move to both ends simultaneously. During the movement of the slide block 412, the push rod 413 will rotate and push the base plate 41 to slide upward along the inner wall of the housing 2. The support 42 and other structures on the upper part of the base plate 41 will slide synchronously, and the slide rod 43 inside the support 42 will slide upward along the track 46. When the slide rod 43 slides to the upper part of the track 46, it will slide along an arc, and then the slide rod 43 will synchronously move on the support 42. The slide bar 47 in the middle slides outward to both ends. At this time, the protective plate 45 has already extended from the top of the housing 2. Therefore, during the sliding process of the slide bar 43, the protective plate 45 will move towards the outer surface of the housing 2. During this process, the gear 48 will rotate due to the limit of the inclined rack 49, which will drive the protective plate 45 to flip outward. When the slide bar 43 slides to the end of the slide bar 47, the protective plate 45 will have just flipped 180 degrees. At this time, the protective plate 45 is placed parallel to both sides of the housing 2, which achieves the effect of protecting the LCD 3D display screen 3, blocking the damage of rain and snow, and improving the service life of the LCD 3D display screen 3. During the flipping of the protective plate 45, the light-shielding component 5 located on the upper part of the protective plate 45 will be flipped to the underside of the LCD 3D display screen 3. After the end of the telescopic rod 55 contacts the housing 2, it will retract under pressure and move into the top box 51. The retraction of the telescopic rod 55 will compress the long spiral spring 57, and the synchronous spring spring 58 will retract to drive the winding shaft 53 to rotate and wind up the light-shielding cloth 54. After the telescopic rod 55 is fully retracted and placed inside the top box 51, the top box 51 will just abut against the outer surface of the housing 2. During the movement of the retracting rod inside the top box 51, it will push the wedge 61 towards the protective plate 2. The internal sliding of the protective plate 45 and the sliding of the wedge block 61 will push the vertical rod 62 to move downward and press the return spring 68. During the movement of the vertical rod 62, the limiting block 65 on the side of the vertical rod 62 will slide along the limiting groove 66, which will push the slider 63 to slide to the outside of the protective plate 45, and push the insulation plate 64 to abut against the outer surface of the LCD 3. The insulation plate 64 covers the LCD 3 to achieve the effect of heat preservation, and prevents rain and snow from melting and penetrating into the outer surface of the LCD 3 and freezing, which further improves the protection effect of the LCD 3. After the rain and snow, the motor 411 reverses and drives the bidirectional threaded rod 410 to rotate, which in turn pulls the base plate 41 downward through the push rod 413. The support 42 and other structures slide along the track 46 and drive the slide rod 43 to move closer to the center. Then, under the action of the rack 49 and gear 48, the protective plate 45 is flipped upward. After the pressure is lost, the long spiral spring 57 rebounds and drives the telescopic rod 55 to extend outward. Then, the light-shielding cloth 54 is pulled out of the storage box 52 through the strip rod 56. When the top box 51 rotates to the top with the protective plate 45, the telescopic rod 55 is fully extended. The return spring 68 pushes the wedge block 61 to move upward and pulls the vertical rod 62 to move. Then, the insulation plate 64 is attached to the outer surface of the protective plate 45, which facilitates the downward movement of the protective plate 45. The bottom box is placed above the housing 2. The light-shielding cloth 54 extending on both sides can block the space above the LCD 3D display screen 3 to a certain extent, reduce the impact of light on viewing, and improve the viewing experience of passers-by.

[0029] The technical scope of this invention is not limited to the content described above. Those skilled in the art can make various modifications and variations to the above embodiments without departing from the technical concept of this invention, and all such modifications and variations should fall within the protection scope of this invention.

Claims

1. A sign with a three-dimensional visual effect, characterized in that, include: A column (1) is fixedly connected to a housing (2) at its top. A liquid crystal display screen (3) is embedded on both sides of the housing (2). A protective component (4) is provided inside the housing (2). A light-shielding component (5) is provided on the upper part of the housing (2). A covering component (6) is provided on the outer side of the protective component (4). The protective component (4) includes a base plate (41) slidably connected to the inside of the housing (2), a support (42) fixedly connected to the upper part of the base plate (41), a sliding rod (43) limited and slidably connected inside the support (42), and a protective plate (45) movably connected to the outer surface of the sliding rod (43). The light-shielding component (5) includes a top box (51) fixedly connected to the top of the protective plate (45). The top box (51) has telescopic rods (55) slidably connected to both ends inside. The outer surfaces of the two telescopic rods (55) are fixedly connected to a storage box (52). The storage box (52) is provided with a light-shielding cloth (54) inside.

2. The sign with stereoscopic visual effect according to claim 1, characterized in that: The slide rod (43) is composed of a folded rod and a round rod. The outer surface of the support (42) is provided with a sliding groove (47). The slide rod (43) is limited to slide inside the sliding groove (47). The inner wall of the housing (2) is provided with a track (46). The end of the slide rod (43) is slidably engaged inside the track (46).

3. The sign with stereoscopic visual effect according to claim 2, characterized in that: A damping bearing (44) is provided at one end of the slide rod (43) away from the inner wall of the housing (2). The damping bearing (44) is rotatably connected to the shaft of the protective plate (45). A gear (48) is fixedly connected to the end of the shaft of the protective plate (45). A rack (49) is obliquely embedded in the upper surface of the housing (2).

4. The sign with stereoscopic visual effect according to claim 3, characterized in that: The inner wall of the housing (2) is rotatably connected to a bidirectional threaded rod (410). A motor (411) is provided on the outer surface of the housing (2). The driving end of the motor (411) is fixedly connected to the bidirectional threaded rod (410). A slide (412) is threaded on the outer surface of the bidirectional threaded rod (410). A push rod (413) is hinged on the outer surface of the slide (412). One end of the push rod (413) away from the slide (412) is hinged to the lower surface of the base plate (41).

5. The sign with stereoscopic visual effect according to claim 1, characterized in that: The storage box (52) is rotatably connected to a winding shaft (53). The light-blocking cloth (54) is wrapped around the outer surface of the winding shaft (53). A spring spring (58) is sleeved on the outer surface of the end of the winding shaft (53). The end of the spring spring (58) away from the winding shaft (53) is fixedly connected to the inner wall of the storage box (52).

6. The sign with stereoscopic visual effect according to claim 5, characterized in that: The telescopic rod (55) is hollow inside and is provided with a long helical spring (57). The end of the long helical spring (57) away from the telescopic rod (55) is fixedly connected to the inner wall of the top box (51). The end of the telescopic rod (55) away from the top box (51) is fixedly connected to a strip rod (56). The strip rod (56) is fixedly connected to the light-blocking cloth (54).

7. The sign with stereoscopic visual effect according to claim 1, characterized in that: The cover assembly (6) includes a wedge (61) that is movably inserted into the top of the protective plate (45), with a vertical rod (62) fixedly connected to the lower surface of the wedge (61), and the top of the wedge (61) being set as an inclined surface and penetrating the bottom of the top box (51).

8. The sign with stereoscopic visual effect according to claim 7, characterized in that: A slider (63) is movably inserted on the outer surface of the protective plate (45), and an insulation plate (64) is fixedly connected to one end of the slider (63) extending out of the protective plate (45).

9. The sign with stereoscopic visual effect according to claim 8, characterized in that: The outer surface of the vertical rod (62) is fixedly connected to a limiting block (65), and the outer surface of the slider (63) is provided with a limiting groove (66), and the limiting block (65) slides inside the limiting groove (66).

10. The sign with stereoscopic visual effect according to claim 9, characterized in that: A partition (67) is fixedly connected to the upper part of the inner wall of the protective plate (45). The vertical rod (62) passes through the partition (67). A reset spring (68) is sleeved on the outer surface of the vertical rod (62). One end of the reset spring (68) is fixedly connected to the lower surface of the wedge (61), and the other end is fixedly connected to the upper surface of the partition (67).

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