Light-emitting sign capable of being displayed in rotating mode

Abstract

The invention is applicable to the technical field of advertising signs, and provides a rotatable display light-emitting sign which comprises a sign body, fixing covers, a fixing support column and a buckle plate and further comprises a supporting assembly, a light-emitting assembly and a connecting assembly, the supporting assembly is located between the two fixing covers, and the two ends of the sign body are locked to the side walls of the two ends of the supporting assembly respectively. A light-emitting assembly is fixed to the outer wall of the supporting assembly, and the connecting assembly comprises a connecting unit and an adjusting unit. According to the light-emitting sign capable of being rotatably displayed, the rotating assembly can achieve the rotating function of the sign through the supporting assembly and the connecting assembly, the watching interest of a user is improved, the connecting assembly is matched with the supporting assembly and the fixed cover body, the sign body can be rapidly replaced, and the user experience is improved. The locking points of the sign body are hidden on the side walls of the two ends of the supporting assembly, any locking points cannot be exposed out of the surface of the sign body, and the overall attractiveness of the sign is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of advertising signboards, and in particular relates to a rotatable display luminous signboard. Background Art

[0002] Signs, as the name suggests, are signboards used to make identifications. They have text, patterns and other content on them and serve to indicate directions and warn. Modern city road signs have exquisite appearance and modern features. They become a unique beauty of the city when lit up at night. In order to enhance the beauty of the city's overall appearance, signs are generally designed to be rotatable and luminous to enhance users' viewing interest.

[0003] The existing rotatable display luminous sign rotates on the surface of the shaft by pulling the limit block, and the shaft is rotated to a perpendicular state with the surface of the support rod, the fixed limit state of the ring is released, and the sleeve is rotated to drive the sign body to rotate, so that the sign body is rotated to a suitable position, and the limit block is released to reset it through the force of the elastic part, so that the limit block is clamped on the inner wall of the sign body, thereby quickly rotating the sign body to an angle and fixing it, which is convenient for increasing the service life of the sign rotation structure.

[0004] Although the existing rotatable luminous signs can realize the functions of rotation and lighting, they still have certain limitations in display. Since the displayed information is usually directly fixed on the sign body, locking points will inevitably appear on the surface. These defects in details affect the overall aesthetics of the sign to a certain extent, which may reduce the audience's visual appeal and viewing interest.

[0005] Therefore, in view of the above situation, there is an urgent need to develop a rotatable luminous sign to overcome the shortcomings in current practical applications. Summary of the invention

[0006] In view of the shortcomings of the prior art, an object of an embodiment of the present invention is to provide a rotatable light-emitting sign to solve the problems in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solutions: A rotatable luminous sign includes a sign body, both ends of the sign body are provided with a fixed cover, one side of the fixed cover is installed with a fixed support, the other side of the fixed cover is provided with a groove engaged with a gusset plate, the gusset plate adopts an L-shaped plate structure, and further includes: A support assembly, wherein the support assembly is located between two fixed covers, the two ends of the sign body are respectively locked on the side walls at the two ends of the support assembly, one end of the support assembly extends to a fixed cover and is connected to the inner wall thereof, a light-emitting assembly is fixed on the outer wall of the support assembly, the light-emitting assembly is located outside the support assembly, the sign body is located outside the light-emitting assembly, and the support assembly is used to support the sign body and the light-emitting assembly; A connecting assembly, the connecting assembly comprising a connecting unit and an adjusting unit, the connecting unit and the adjusting unit are both mounted on one end of the supporting assembly and are located in the same fixed cover, one end of the connecting unit is intermittently matched with a rotating assembly fixed in the same fixed cover, and the other end of the connecting unit is movably connected with the adjusting unit; The rotating assembly drives the connecting unit to rotate, the connecting unit drives one end of the supporting assembly to rotate, one end of the supporting assembly drives the sign body to rotate, and the other end of the supporting assembly drives the light-emitting assembly to remain stationary relative to the fixed cover body; When the sign body needs to be replaced, the adjustment unit drives one end of the connection unit to move and separate it from the rotating assembly, lifts the support assembly in the fixed cover and withdraws it from the fixed cover, removes the sign body on the side walls at both ends of the support assembly, and re-locks the two ends of the replaced sign body on the side walls at both ends of the support assembly; When the sign body is replaced, the adjustment unit drives one end of the connecting unit to move, reinserts one end of the supporting assembly into a fixed cover and restores the connection between the connecting unit and the rotating assembly. The fixed cover hides the locking points at both ends of the sign body by cooperating with the supporting assembly.

[0008] As a further technical solution of the present invention, the support assembly includes: A support column located between two fixed covers, one end of the support column extending into one of the fixed covers, and a light-emitting component installed on the outer wall of the support column; The two sleeves A installed on both ends of the support column are rotated respectively, and the sleeve A close to the other fixed cover body is connected to the connection unit; A T-shaped column fixed in a fixed cover, wherein one end of the T-shaped column is provided with a slot engaged with the support column; and A square plate is fixed on the sleeve A, and locking holes matching with locking screws are distributed on the two square plates. The two square plates are respectively located outside the two fixed covers, and a sign body is arranged between the two square plates.

[0009] As a further technical solution of the present invention, the connecting unit includes: A sleeve B is fixed on the sleeve A away from the T-shaped column and is concentric with the sleeve A, and a sliding groove is vertically opened on the inner side of the sleeve B; A sliding column with one end slidingly engaged with the sliding groove, and an outer wall of the other end of the sliding column slidingly engaged with the adjustment unit; and A connector fixed to the other end of the sliding column and matched with the rotating assembly.

[0010] As a further technical solution of the present invention, the adjustment unit includes: A sliding sleeve is rotatably mounted on the outer wall of the sliding column, wherein a spring is installed between one end of the sliding sleeve and the sleeve B; A connecting rod fixed to one side of the sliding sleeve; an adjustment plate fixed to one end of the connecting rod; and A guide post is vertically fixed on the square plate, and the guide post is vertically slidably matched with the adjustment plate.

[0011] As a further technical solution of the present invention, the rotating assembly includes: A rotary motor fixed to the inner wall of a fixed cover; Gear A fixed to the output end of the rotary motor; A rotating block rotatably mounted on the inner wall of a fixed cover, wherein a conical groove matching with the connector is formed at the bottom of the rotating block; and A gear B is fixed on the outer wall of the rotating block, and the gear B is meshed with the gear A.

[0012] As a further technical solution of the present invention, the conical groove adopts a truncated cone shaped groove body, the connecting head adopts a truncated cone shaped block structure, and the arc end surfaces of the conical groove and the connecting head that cooperate with each other are coated with a coating with good friction properties.

[0013] As a further technical solution of the present invention, the light emitting component comprises: A sleeve C fixed on the outer wall of the support column; A mounting bracket fixed to the outer wall of the casing C; and A light-emitting panel is locked on the outer wall of the mounting frame, and the light-emitting panel is located between the supporting column and the sign body.

[0014] As a further technical solution of the present invention, clips are fixed on the inner walls of the two fixed covers. The clips are of an elastic "X"-shaped sheet structure and are used to guide and limit the sleeve B and the support column.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The rotating assembly drives the connecting unit to rotate, the connecting unit drives one end of the supporting assembly to rotate, and one end of the supporting assembly drives the main body of the sign to rotate, thereby realizing the rotating function of the sign, so that the promotional content on the sign can be fully and effectively exposed to the outside, which is convenient for users to watch and also enhances the viewing interest of users, while the other end of the supporting assembly drives the light-emitting assembly to remain stationary relative to the fixed cover body; When the sign body needs to be replaced, the adjustment unit drives one end of the connection unit to move so that it is separated from the rotating assembly, and at the same time, the support assembly located in the fixed cover is lifted and withdrawn from the fixed cover, so that the sign body and the support assembly can be withdrawn from the outside of the two fixed covers, thereby facilitating the removal of the sign body on the side walls at both ends of the support assembly, and facilitating the re-locking of the two ends of the replaced sign body on the side walls at both ends of the support assembly; When the sign body is replaced, repeat the above operation, the adjustment unit drives one end of the connecting unit to move, first reinsert one end of the supporting assembly into a fixed cover, and then restore the connection between the connecting unit and the rotating assembly, thereby completing the rapid replacement of the sign body and ensuring that the locking points of the sign body are hidden on the side walls at both ends of the supporting assembly. No locking points are exposed on the surface of the sign body, thereby improving the overall aesthetics of the sign, while also enhancing the convenience and applicability of the sign.

[0016] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the structure of a rotatable luminous sign provided in an embodiment of the present invention.

[0018] Figure 2 A structural cross-sectional view of a rotatable luminous sign provided in an embodiment of the present invention.

[0019] Figure 3 A schematic diagram of the internal structure of a rotatable luminous sign provided in an embodiment of the present invention.

[0020] Figure 4 for Figure 3 Side view of the structure.

[0021] Figure 5 for Figure 2 A magnified view of the structure in the middle.

[0022] Figure 6 for Figure 2 A magnified view of the structure at B in the middle.

[0023] Figure 7 for Figure 4Structural exploded diagram of the connecting unit and the adjustment unit.

[0024] Reference numerals: 100 - sign body, 200 - fixed cover, 210 - buckle plate, 220 - fixed pillar, 300 - support assembly, 310 - support column, 320 - sleeve A, 330 - square plate, 340 - locking hole, 350 - outlet, 360 - threading hole, 370 - T-shaped column, 380 - card slot, 400 - connection assembly, 410 - connection unit, 411 - sleeve B, 412 - slide groove, 413 - sliding column, 414-connecting head, 420-adjusting unit, 421-sliding sleeve, 422-connecting rod, 423-adjusting plate, 424-guide column, 425-spring, 500-rotating assembly, 510-rotating motor, 520-gear A, 530-gear B, 540-rotating block, 550-tapered groove, 600-light-emitting assembly, 610-sleeve C, 620-mounting frame, 630-light-emitting plate, 700-clamp. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0026] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0027] like Figures 1 to 7 As shown, as an embodiment of the present invention, a rotatable luminous sign provided by the present invention comprises a sign body 100, both ends of the sign body 100 are provided with a fixed cover 200, one side of the fixed cover 200 is installed with a fixed support 220, and the other side of the fixed cover 200 is provided with a groove engaged with a gusset plate 210, and the gusset plate 210 preferably adopts an L-shaped plate structure, and further comprises: A support assembly 300, wherein the support assembly 300 is located between two fixed covers 200, and both ends of the sign body 100 are respectively locked on the side walls at both ends of the support assembly 300, and one end of the support assembly 300 extends to a fixed cover 200 and is connected to the inner wall thereof, and a light-emitting assembly 600 is fixed on the outer wall of the support assembly 300, and the light-emitting assembly 600 is located outside the support assembly 300, and the sign body 100 is located outside the light-emitting assembly 600, and the support assembly 300 is used to support the sign body 100 and the light-emitting assembly 600, so that the sign body 100 can be effectively fixed to ensure its stability during rotation; A connecting assembly 400, the connecting assembly 400 comprising a connecting unit 410 and an adjusting unit 420, the connecting unit 410 and the adjusting unit 420 are both mounted on one end of the supporting assembly 300 and are located in the same fixed cover 200, one end of the connecting unit 410 is intermittently matched with a rotating assembly 500 fixed in the same fixed cover 200, and the other end of the connecting unit 410 is movably connected to the adjusting unit 420; The rotating assembly 500 drives the connecting unit 410 to rotate, the connecting unit 410 drives one end of the supporting assembly 300 to rotate, one end of the supporting assembly 300 drives the sign body 100 to rotate, and the other end of the supporting assembly 300 drives the light-emitting assembly 600 to remain stationary relative to the fixed cover 200; When the sign body 100 needs to be replaced, the gusset plate 210 is taken out of the groove, and the adjustment unit 420 drives one end of the connection unit 410 to move so that it is separated from the rotating assembly 500, and at the same time, the support assembly 300 located in the fixed cover body 200 is lifted and withdrawn from the fixed cover body 200, so that the sign body 100 and the support assembly 300 can be withdrawn from the outside of the two fixed covers 200, so that the sign body 100 on the side walls at both ends of the support assembly 300 can be removed, and the two ends of the replaced sign body 100 can be re-locked on the side walls at both ends of the support assembly 300; After the sign body 100 is replaced, repeat the above operation, the adjustment unit 420 drives one end of the connecting unit 410 to move, first reinsert one end of the supporting assembly 300 into a fixed cover 200, and then restore the connection between the connecting unit 410 and the rotating assembly 500, thereby completing the rapid replacement of the sign body 100 and ensuring that the locking points of the sign body 100 are hidden on the side walls at both ends of the supporting assembly 300. No locking points are exposed on the surface of the sign body 100, thereby improving the overall aesthetics of the sign and enhancing the convenience and applicability of the sign.

[0028] In this embodiment, the two ends of the sign body 100 are close to the end walls of the two fixed covers 200, and in order to improve the aesthetics of the sign, the gap between the two is as small as possible. Therefore, the locking points of the sign body 100 must be set on the side walls at both ends of the support assembly 300.

[0029] like Figures 2 to 6As shown, as a preferred embodiment of the present invention, the support assembly 300 includes a support column 310, a sleeve A320, a square plate 330, a locking hole 340 and a T-shaped column 370. The support column 310 is located between two fixed covers 200. Both ends of the support column 310 are rotatably mounted with sleeves A320. One end of the support column 310 extends into a fixed cover 200 and cooperates with the T-shaped column 370 fixed in the fixed cover 200. A light-emitting component 600 is installed on the outer wall of the support column 310. The T-shaped column One end of 370 is provided with a slot 380 that engages with the support column 310, and square plates 330 are fixed on the outer walls of the two sleeves A320. The two square plates 330 are distributed with locking holes 340 that cooperate with locking screws. The two square plates 330 are respectively located outside the two fixed covers 200, and a sign body 100 is arranged between the two square plates 330. Both ends of the light sign body are locked in the locking holes 340 by locking screws, and the sleeve A320 close to the other fixed cover 200 is connected to the connecting unit 410.

[0030] In this embodiment, the T-shaped column 370 can limit and fix the support column 310 through the card slot 380 thereon, so that it remains stationary relative to the fixed cover 200, and the two ends of the light board body are locked in the locking holes 340 by locking screws, so that the locking points on the light board body can be located on the side walls of the two square plates 330, and the two square plates 330 can hide the locking points on the light board body by cooperating with the two fixed covers 200, so that the surface of the sign body 100 will not expose any locking points, thereby improving the overall aesthetics of the sign; When the rotating assembly 500 drives the connecting unit 410 to rotate, the connecting unit 410 drives the sleeve A320 connected thereto to rotate, the sleeve A320 drives the square plate 330 to rotate, and the square plate 330 drives the sign body 100 locked thereon to rotate, thereby realizing the rotation function of the sign, so that the promotional content on the sign can be fully and effectively exposed to the outside, which is convenient for users to watch and also enhances users' viewing interest.

[0031] like Figures 2 to 7 As shown, as a preferred embodiment of the present invention, the connecting unit 410 includes a sleeve B411, a slide groove 412, a sliding column 413 and a connecting head 414. The sleeve B411 is fixed on the sleeve A320 away from the T-column 370 and is concentric therewith. The inner side of the sleeve B411 is vertically provided with a slide groove 412 that slidably cooperates with one end of the sliding column 413. A connecting head 414 that cooperates with the rotating assembly 500 is fixed on the other end of the sliding column 413. The outer wall of the other end of the sliding column 413 slidably cooperates with the adjustment unit 420.

[0032] In this embodiment, the rotating assembly 500 drives the connector 414 to rotate, the connector 414 drives the slide post 413 to rotate, the slide post 413 drives the sleeve B411 to rotate, the sleeve B411 drives the sleeve A320 connected thereto to rotate, and the sleeve A320 drives the square plate 330 thereon to rotate, so that the square plate 330 drives the sign body 100 locked thereon to rotate, thereby realizing the rotation function of the sign, so that the promotional content on the sign can be fully and effectively exposed to the outside, which is convenient for users to watch and also enhances the viewing interest of users; When the sign body 100 needs to be replaced, the adjustment unit 420 drives the sliding column 413 to move into the sleeve B411, and the sliding column 413 drives the connecting head 414 to move downward and separate it from the rotating assembly 500, so that the support column 310 has a certain adjustment space, so that one end of the support column 310 can leave the slot 380 and move to the outside of the fixed cover 200, so that the sign body 100 and the support assembly 300 can be withdrawn from the outside of the two fixed covers 200, thereby facilitating the removal of the sign body 100 on the side walls at both ends of the support assembly 300, and facilitating the re-locking of the two ends of the replaced sign body 100 to the side walls at both ends of the support assembly 300.

[0033] like Figures 2 to 7 As shown, as a preferred embodiment of the present invention, the adjustment unit 420 includes a sleeve 421, a connecting rod 422, an adjustment plate 423, a guide column 424 and a spring 425. The sleeve 421 is rotatably mounted on the outer wall of the sliding column 413. A spring 425 is installed between one end of the sleeve 421 and the sleeve B411. A connecting rod 422 is fixed to one side of the sleeve 421. An adjustment plate 423 that vertically slides with the guide column 424 is fixed to one end of the connecting rod 422. The guide column 424 is vertically fixed to the square plate 330.

[0034] In this embodiment, in the initial state, the spring 425 drives the sliding sleeve 421 to move upward by its own elastic force, so that the adjustment plate 423 is located at the top of the guide column 424, the sliding sleeve 421 drives the sliding column 413 to move upward, and the sliding column 413 drives the connecting head 414 to move upward, so that it fully and effectively cooperates with the rotating assembly 500, thereby facilitating the rotating assembly 500 to effectively drive the connecting head 414 to perform rotational movement; When the sign body 100 needs to be replaced, the adjustment plate 423 is pressed to drive it to move downward along the guide column 424. The adjustment plate 423 drives the sliding sleeve 421 to move downward through the connecting rod 422. In the process of the sliding sleeve 421 driving the sliding column 413 to move downward, the spring 425 is also squeezed and put into a force storage state. The sliding column 413 drives the connecting head 414 to move downward, so that it is separated from the rotating component 500, and at the same time, the distance between the connecting head 414 and the sleeve B411 is shortened, so as to prepare for the subsequent separation of the support column 310 and the slot 380, so that the support column 310 has sufficient and effective withdrawal space between the two fixed cover bodies 200, thereby facilitating the sign body 100 to be effectively withdrawn from the two fixed cover bodies 200, and allowing the locking points at both ends to be effectively exposed to the outside, so that the user can quickly replace the sign body 100, improve the practicality and convenience of the sign, and reduce the replacement time of the sign.

[0035] In a preferred embodiment, the sliding sleeve 421 preferably adopts an annular block structure; The adjustment plate 423 is located within the visible space of the groove position on the fixed cover body 200, so that the user can effectively and quickly press the adjustment plate 423 after removing the buckle plate 210, and through the resetting of the adjustment plate 423, the connection status between the connecting head 414 and the rotating component 500 can be quickly determined, ensuring that the rotating component 500 can effectively drive the connecting head 414 to rotate, thereby ensuring that the sign body 100 can effectively rotate.

[0036] like Figures 2 to 7 As shown, as a preferred embodiment of the present invention, the rotating assembly 500 includes a rotating motor 510, a gear A520, a gear B530, and a rotating block 540. The rotating motor 510 is fixed on the inner wall of a fixed cover body 200. The gear A520 is fixed on the output end of the rotating motor 510. The gear A520 is meshed with the gear B530 fixed on the outer wall of the rotating block 540. The rotating block 540 is rotatably mounted on the inner wall of a fixed cover body 200. The bottom of the rotating block 540 is provided with a conical groove 550 that matches the connector 414.

[0037] like Figures 2 to 7 As shown, as a preferred embodiment of the present invention, the conical groove 550 preferably adopts a truncated cone shaped groove body, and the connecting head 414 preferably adopts a truncated cone block structure. The arc-shaped end surfaces of the conical groove 550 and the connecting head 414 that cooperate with each other are coated with a layer of coating with good friction, which can enhance the friction between the two, so that the rotating block 540 can effectively and quickly drive the connecting head 414 that cooperates with it to rotate.

[0038] In this embodiment, the rotating motor 510 drives the gear A520 to rotate, the gear A520 drives the rotating block 540 to rotate through the gear B530, the rotating block 540 drives the connecting head 414 matched with the conical groove 550 to rotate, the connecting head 414 drives the sliding column 413 to rotate, the sliding column 413 drives the sleeve B411 to rotate, the sleeve B411 drives the sleeve A320 connected thereto to rotate, the sleeve A320 drives the square plate 330 thereon to rotate, so that the square plate 330 drives the sign body 100 locked thereon to rotate, thereby realizing the rotation function of the sign, so that the promotional content on the sign can be fully and effectively exposed to the outside, which is convenient for users to watch and also enhances users' viewing interest.

[0039] like Figures 2 to 6 As shown, as a preferred embodiment of the present invention, the light-emitting component 600 includes a sleeve C610, a mounting frame 620 and a light-emitting board 630, the sleeve C610 is fixed on the outer wall of the support column 310, the mounting frame 620 is fixed on the outer wall of the sleeve C610, the light-emitting board 630 is locked on the outer wall of the mounting frame 620, and the light-emitting board 630 is located between the support column 310 and the sign body 100.

[0040] In this embodiment, in order to facilitate the connection of the light-emitting board 630 with an external power source, the support column 310, the sleeve A320, the square plate 330, the sleeve B411, the sliding column 413, the connecting head 414 and the middle of the rotating block 540 are provided with a threading hole 360 ​​for the power cord to pass through, and the outer wall of the support column 310 is provided with a wire outlet 350 connected to the threading hole 360, so that it can be ensured that the external power cord can effectively enter the location of the light-emitting board 630, so that the external power supply can effectively provide a source of power for the light-emitting board 630, and the power cord has a certain stretching space. During the replacement process of the sign body 100, the power cord will be stretched, but it always remains stably connected to the light-emitting board 630 to ensure that the light-emitting board 630 can work stably.

[0041] like Figures 3 to 6 As shown, as a preferred embodiment of the present invention, a clip 700 is fixed on the inner wall of the two fixed covers 200, and the clip 700 is located near the groove. The clip 700 preferably adopts a cross-shaped sheet structure with a certain elastic force. The clip 700 is used to guide and limit the sleeve B411 and the support column 310, so that they can quickly and accurately enter the two fixed covers 200, shortening the assembly time of the overall structure of the sign and improving the convenience of the sign.

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotatable luminous sign, comprising a sign body, both ends of which are provided with a fixed cover, one side of which is provided with a fixed support, and the other side of which is provided with a groove engaged with a gusset plate, wherein the gusset plate is an L-shaped plate structure, characterized in that: Also includes: A support assembly, wherein the support assembly is located between two fixed covers, the two ends of the sign body are respectively locked on the side walls at the two ends of the support assembly, one end of the support assembly extends to a fixed cover and is connected to the inner wall thereof, a light-emitting assembly is fixed on the outer wall of the support assembly, the light-emitting assembly is located outside the support assembly, the sign body is located outside the light-emitting assembly, and the support assembly is used to support the sign body and the light-emitting assembly; A connecting assembly, the connecting assembly comprising a connecting unit and an adjusting unit, the connecting unit and the adjusting unit are both mounted on one end of the supporting assembly and are located in the same fixed cover, one end of the connecting unit is intermittently matched with a rotating assembly fixed in the same fixed cover, and the other end of the connecting unit is movably connected with the adjusting unit; The rotating assembly drives the connecting unit to rotate, the connecting unit drives one end of the supporting assembly to rotate, one end of the supporting assembly drives the sign body to rotate, and the other end of the supporting assembly drives the light-emitting assembly to remain stationary relative to the fixed cover body; When the sign body needs to be replaced, the adjustment unit drives one end of the connection unit to move and separate it from the rotating assembly, lifts the support assembly in the fixed cover and withdraws it from the fixed cover, removes the sign body on the side walls at both ends of the support assembly, and re-locks the two ends of the replaced sign body on the side walls at both ends of the support assembly; When the sign body is replaced, the adjustment unit drives one end of the connecting unit to move, reinserts one end of the supporting assembly into a fixed cover and restores the connection between the connecting unit and the rotating assembly. The fixed cover hides the locking points at both ends of the sign body by cooperating with the supporting assembly.

2. The rotatable display luminous sign according to claim 1, characterized in that: The support assembly comprises: A support column located between two fixed covers, one end of the support column extending into one of the fixed covers, and a light-emitting component installed on the outer wall of the support column; The two sleeves A installed on both ends of the support column are rotated respectively, and the sleeve A close to the other fixed cover body is connected to the connection unit; A T-shaped column fixed in a fixed cover, wherein one end of the T-shaped column is provided with a slot engaged with the support column; and A square plate is fixed on the sleeve A, and locking holes matching with locking screws are distributed on the two square plates. The two square plates are respectively located outside the two fixed covers, and a sign body is arranged between the two square plates.

3. The rotatable display luminous sign according to claim 2, characterized in that: The connecting unit comprises: A sleeve B is fixed on the sleeve A away from the T-shaped column and is concentric with the sleeve A, and a sliding groove is vertically opened on the inner side of the sleeve B; A sliding column with one end slidingly engaged with the sliding groove, and an outer wall of the other end of the sliding column slidingly engaged with the adjustment unit; and A connector fixed to the other end of the sliding column and matched with the rotating assembly.

4. The rotatable display luminous sign according to claim 3, characterized in that: The adjustment unit comprises: A sliding sleeve is rotatably mounted on the outer wall of the sliding column, wherein a spring is installed between one end of the sliding sleeve and the sleeve B; A connecting rod fixed to one side of the sliding sleeve; an adjustment plate fixed to one end of the connecting rod; and A guide post is vertically fixed on the square plate, and the guide post is vertically slidably matched with the adjustment plate.

5. The rotatable display luminous sign according to claim 3, characterized in that: The rotating assembly comprises: A rotary motor fixed to the inner wall of a fixed cover; Gear A fixed to the output end of the rotary motor; A rotating block rotatably mounted on the inner wall of a fixed cover, wherein a conical groove matching with the connector is formed at the bottom of the rotating block; and A gear B is fixed on the outer wall of the rotating block, and the gear B is meshed with the gear A.

6. The rotatable luminous sign according to claim 5, characterized in that: The conical groove adopts a truncated cone-shaped groove body, and the connecting head adopts a truncated cone-shaped block structure. The arc-shaped end surfaces of the conical groove and the connecting head that cooperate with each other are coated with a coating with good friction properties.

7. The rotatable luminous sign according to claim 2, characterized in that: The light emitting component comprises: A sleeve C fixed on the outer wall of the support column; A mounting bracket fixed to the outer wall of the casing C; and A light-emitting panel is locked on the outer wall of the mounting frame, and the light-emitting panel is located between the supporting column and the sign body.

8. The rotatable display luminous sign according to claim 3, characterized in that: Clips are fixed on the inner walls of the two fixed covers. The clips are of an elastic "X"-shaped sheet structure. The clips are used to guide and limit the sleeve B and the support column.

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