Rotary display screen capable of being opened and closed

Abstract

The utility model discloses a rotary display screen capable of being opened and closed, which comprises a base, a support shaft, a collecting ring, a mounting frame and a plurality of display screens, and is characterized in that the support shaft is rotatably mounted on the base through a bearing seat; the collecting ring is sleeved on the supporting shaft; the mounting frame is fixedly connected with the supporting shaft, and the mounting frame is provided with a first surface and a second surface which are oppositely arranged; the multiple display screens are arranged on the first surface and the second surface respectively, and each display screen is electrically connected with the collecting ring. According to the technical scheme, the rotary display screen capable of being opened and closed can display in two directions, people can be dispersed, crowding is avoided, the display effect can be improved, and potential safety hazards can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of display screens, in particular to an openable and rotatable display screen. Background Art

[0002] With the development of technology, advertisements or other information can be seen everywhere through display screens indoors or outdoors. In order to improve the display effect, a display screen with a rotating function is currently proposed, which can adjust the direction of the display screen by rotating. However, no matter how the display screen rotates, it can only display in one direction. When there are a large number of visitors, a large number of visitors will pile up together, causing congestion, affecting the viewing effect of the visitors, and also posing safety hazards. Utility Model Content

[0003] The main purpose of the utility model is to provide an openable and rotatable display screen, aiming to solve the problem that the display screen can only be displayed in one direction.

[0004] In order to achieve the above-mentioned purpose, the utility model provides an openable and rotatable display screen, comprising:

[0005] Base;

[0006] A support shaft, the support shaft being rotatably mounted on the base via a bearing seat;

[0007] A collector ring, the collector ring is sleeved on the support shaft;

[0008] A mounting frame, the mounting frame being fixedly connected to the support shaft, the mounting frame having a first surface and a second surface disposed opposite to each other; and

[0009] A plurality of display screens are disposed on the first surface and the second surface respectively, and each of the display screens is electrically connected to the collector ring.

[0010] Optionally, the first surface is provided with at least two first mounting positions, any two adjacent first mounting positions are spaced apart from each other, each of the first mounting positions is provided with the display screen, and each of the display screens is electrically connected to the collector ring.

[0011] Optionally, the second surface is provided with at least two second mounting positions, any two adjacent second mounting positions are spaced apart from each other, each second mounting position is provided with the display screen, and each of the display screens is electrically connected to the collector ring.

[0012] Optionally, each of the first mounting positions is provided with a plurality of first mounting openings arranged vertically, each of the first mounting openings corresponds to one of the display screens, and each of the display screens is electrically connected to the collector ring.

[0013] Optionally, each of the second mounting positions is provided with a plurality of second mounting openings arranged vertically, each of the second mounting openings is correspondingly provided with a display screen, and each of the display screens is electrically connected to the collector ring.

[0014] Optionally, the mounting frame includes a first frame and a second frame that are detachably connected to each other, the first frame has the first surface, the second frame has the second surface, and the support shaft is fixedly connected to at least one of the first frame and the second frame.

[0015] Optionally, the mounting frame also includes a connecting plate, which is connected between the first frame and the second frame. A mounting hole and a plurality of wire holes are provided on the surface of the connecting plate. The plurality of wire holes are arranged on opposite sides of the mounting hole, and two adjacent wire holes are spaced apart from each other. The support shaft is installed in the mounting hole.

[0016] Optionally, the base includes a shell and a support frame, the shell is hollow to form an installation space, the support frame is arranged in the installation space and connected to the side wall of the installation space, and the support shaft is rotatably installed on the support frame through the bearing seat.

[0017] Optionally, the support frame includes two support seats, a first mounting frame and a second mounting frame, the two support seats are arranged on opposite sides of the installation space, the first mounting frame and the second mounting frame are arranged between the two support seats and connected to the two support seats, and the first mounting frame and the second mounting frame are arranged at intervals from each other;

[0018] The openable and rotatable display screen includes two bearing seats, both of which are sleeved on the support shaft, one of which is installed on the first mounting frame, and the other is installed on the second mounting frame.

[0019] Optionally, the openable and rotatable display screen also includes a mounting seat, a drive motor, and a transmission structure. The mounting seat is installed on the second mounting frame and is located beside the support shaft. The drive motor is installed on the mounting seat. The transmission structure includes a driving gear provided on the driving motor shaft and a transmission gear sleeved on the support shaft, and the driving gear is meshed with the transmission gear.

[0020] Optionally, the support shaft is hollow to form a wiring channel, the wiring channel runs through both ends of the support shaft, the wiring channel is connected to the installation space, and the electrical connection lines of the plurality of display screens are passed through the wiring channel; and / or

[0021] Optionally, a maintenance opening is provided on the surface of the shell, and the openable and rotatable display screen further includes a maintenance cover, and the maintenance cover is detachably covered on the maintenance opening.

[0022] In the technical solution of the utility model, the support shaft and a bearing seat are rotatably installed on the base, the installation frame is fixedly connected to the support shaft, and display screens are installed on the first surface and the second surface opposite to the installation frame. In this way, advertisements, pictures or video information can be played simultaneously through the display screens on the first surface and the second surface. That is, visitors can watch advertisements, pictures and video information through the display screen on the first surface, and can also watch advertisements, pictures and video information on the display screen on the second surface, which improves the viewing effect of visitors, and can also disperse the crowd to avoid crowding, which is conducive to reducing safety hazards. The orientation of the display screens installed on the first surface and the second surface of the installation frame is adjusted by rotating the support shaft to improve the display effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0024] Figure 1 This is a structural schematic diagram of an embodiment of an openable and rotatable display screen of the utility model;

[0025] Figure 2 for Figure 1 A side view of the retractable rotating display screen;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure after the display screen is hidden by the rotating display screen;

[0027] Figure 4 for Figure 1 Exploded view of the openable and rotating display screen.

[0028] Description of Figure Numbers:

[0029] 10. Base; 11. Maintenance opening; 12. Shell; 13. Support frame; 14. Wiring hole; 20. Support shaft; 30. Mounting frame; 31. First surface; 311. First mounting opening; 32. Second surface; 321. Second mounting opening; 33. First frame; 34. Second frame; 35. Connecting plate; 351. Wiring hole; 40. Display screen; 50. Bearing seat; 60. Maintenance cover

[0030] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0034] The utility model provides an openable and rotatable display screen for playing advertisements or other picture / video information.

[0035] In the embodiment of the present utility model, Figures 1 to 4 As shown, the openable and rotatable display screen includes a base 10 , a support shaft 20 , a collector ring, a mounting frame 30 and a plurality of display screens 40 .

[0036] The support shaft 20 is rotatably mounted on the base 10 through a bearing seat 50; the collector ring is sleeved on the support shaft 20; the mounting frame 30 is fixedly connected to the support shaft 20, and the mounting frame 30 has a first surface 31 and a second surface 32 that are relatively arranged; a plurality of display screens 40 are respectively arranged on the first surface 31 and the second surface 32, and each display screen 40 is electrically connected to the collector ring.

[0037] Specifically, the first surface 31 and the second surface 32 of the mounting frame 30 are the front and back sides of the mounting frame 30, that is, the two opposite surfaces of the mounting frame 30 are both installed with display screens 40, so that advertisements or other picture / video information can be played simultaneously through the display screens 40 on the first surface 31 and the second surface 32, that is, visitors can watch advertisements, pictures and video information through the display screen 40 on the first surface 31, and can also watch advertisements, pictures and video information on the display screen 40 on the second surface 32, thereby dispersing the crowd, avoiding crowding, and helping to reduce safety hazards. Of course, in other embodiments, the surfaces on the first surface 31 and the second surface 32 can also play different types of advertisements, pictures and videos.

[0038] The support shaft 20 is inserted into the inner ring of the bearing seat 50, and the bearing seat 50 is fixedly installed on the base 10, so that the support shaft 20 can rotate relative to the base 10, and the mounting frame 30 is fixedly connected to the support shaft 20, so that when the support shaft 20 rotates, the mounting shaft installed on the support shaft 20 will rotate with the rotation of the support shaft 20 to adjust the orientation of the display screen 40 installed on the first surface 31 and the second surface 32 of the mounting frame 30, thereby improving the display effect.

[0039] In the technical solution of the utility model, the support shaft 20 and a bearing seat 50 are rotatably installed on the base 10, the mounting frame 30 is fixedly connected to the support shaft 20, and the display screen 40 is installed on the first surface 31 and the second surface 32 opposite to the mounting frame 30. In this way, advertisements, pictures or video information can be played simultaneously through the display screens 40 on the first surface 31 and the second surface 32. That is, visitors can watch advertisements, pictures and video information through the display screen 40 on the first surface 31, and can also watch advertisements, pictures and video information on the display screen 40 on the second surface 32, which improves the viewing effect of visitors, and can also disperse the crowd to avoid crowding, which is conducive to reducing safety hazards. The orientation of the display screen 40 installed on the first surface 31 and the second surface 32 of the mounting frame is adjusted by rotating the support shaft 20 to improve the display effect.

[0040] In some embodiments, the first surface 31 is provided with at least two first mounting positions, any two adjacent first mounting positions are spaced apart from each other, each first mounting position is provided with a display screen 40, and each display screen 40 is electrically connected to a collector ring.

[0041] Specifically, multiple display screens 40 are installed on the first surface 31 at the same time, wherein each display screen 40 can play different advertisements or pictures / video information at the same time, so as to diversify the advertisements or pictures / video information of the part of the display screen that can be opened and closed and rotated. The same advertisement or picture / video information can also be played at the same time. It can also be set so that each display screen 40 plays a part of an advertisement or picture, and multiple display screens 40 are spliced ​​into a large image to enhance the display effect. It can also be set so that the display screens 40 of two adjacent first installation positions play a part of an advertisement or picture / video information respectively, and the display screens 40 of two adjacent first installation positions are spliced ​​into a large image. The specific usage is not specifically limited in this application and can be set according to the usage. Among them, the at least two first installation positions on the first surface 31 can be three, four or five, etc. Of course, in other embodiments, the first surface 31 can also be provided with only one display screen 40.

[0042] Furthermore, each first installation position is provided with a plurality of first installation openings 311 arranged vertically, each first installation opening 311 is correspondingly provided with a display screen 40 , and each display screen 40 is electrically connected to the collector ring.

[0043] There are at least two first installation openings 311. The first installation openings 311 are set so that when the staff installs the display screen 40, they can position and install it according to the positions of the first installation openings 311, so as to reduce the installation difficulty of the display screen 40. After the installation is completed, it is also convenient for the display screen 40 to be electrically connected to the collector ring. When installing the display screen 40, the display screen 40 can be installed in the first installation opening 311, or the display screen 40 can be set to cover the first installation opening 311, which can be selected according to the actual situation.

[0044] Specifically, a plurality of display screens 40 are installed on the first installation position at the same time, wherein each display screen 40 can play different advertisements or pictures / video information at the same time, so as to diversify the advertisements or pictures / video information of the part of the display screen that can be opened and closed and rotated. Each display screen 40 can also play the same advertisement or picture / video information at the same time. It can also be set so that each display screen 40 plays a part of an advertisement or picture, and a plurality of display screens 40 are spliced ​​into a large image to enhance the display effect. It is also possible to respectively play a part of an advertisement or picture / video information on each display screen 40 on the first installation position, and splice a large image on the display screen 40 on the first installation position. The specific usage is not specifically limited in this application, and can be set according to the usage. Among them, at least two first installation ports 311 on the first installation position are set, and specifically three, four or five, etc. Of course, in other embodiments, the first installation position can also be set with only one first installation port 311.

[0045] In some embodiments, the second surface 32 is provided with at least two second mounting positions, any two adjacent second mounting positions are spaced apart from each other, each second mounting position is provided with a display screen 40, and each display screen 40 is electrically connected to the collector ring.

[0046] Specifically, multiple display screens 40 are installed on the second surface 32 at the same time, wherein each display screen 40 can play different advertisements or pictures / video information at the same time, so as to diversify the advertisements or pictures / video information of the part of the display screen that can be opened and closed and rotated. The same advertisement or picture / video information can also be played at the same time. It can also be set so that each display screen 40 plays a part of an advertisement or picture, and multiple display screens 40 are spliced ​​into a large image to enhance the display effect. It can also be set so that the display screens 40 of two adjacent second mounting positions play a part of an advertisement or picture / video information respectively, and the display screens 40 of two adjacent second mounting positions are spliced ​​into a large image. The specific usage is not specifically limited in this application and can be set according to the usage. Among them, the at least two second mounting positions on the second surface 32 can be three, four or five, etc. Of course, in other embodiments, the second surface 32 can also be set with only the first mounting position.

[0047] Furthermore, each second mounting position is provided with a plurality of second mounting openings 321 arranged vertically, each second mounting opening 321 is correspondingly provided with a display screen 40 , and each display screen 40 is electrically connected to the collector ring.

[0048] There are at least two second installation openings 321. The second installation openings 321 are set so that when the staff installs the display screen 40, they can position and install it according to the positions of the second installation openings 321, so as to reduce the installation difficulty of the display screen 40. After the installation is completed, it is also convenient for the display screen 40 to be electrically connected to the collector ring. When installing the display screen 40, the display screen 40 can be installed in the first installation opening 311, or the display screen 40 can be set to cover the first installation opening 311, which can be selected according to the actual situation.

[0049] Specifically, a plurality of display screens 40 are installed on the first mounting position at the same time, wherein each display screen 40 can play different advertisements or pictures / video information at the same time, so as to diversify the advertisements or pictures / video information of the part of the display screen that can be opened and closed and rotated. Each display screen 40 can also play the same advertisement or picture / video information at the same time. It can also be set so that each display screen 40 plays a part of an advertisement or picture, and a plurality of display screens 40 are spliced ​​into a large image to enhance the display effect. It can also be set so that each display screen 40 on the second mounting position plays a part of an advertisement or picture / video information, and the display screen 40 on the second mounting position is spliced ​​into a large image. The specific usage is not specifically limited in this application and can be set according to the usage. Among them, at least two second mounting ports 321 on the second mounting position are set, and specifically three, four or five, etc. Of course, in other embodiments, the second mounting position can also be set with only one second mounting port 321.

[0050] In some embodiments, the mounting frame 30 includes a first frame 33 and a second frame 34 that are detachably connected to each other, the first frame 33 has a first surface 31, the second frame 34 has a second surface 32, and the support shaft 20 is fixedly connected to at least one of the first frame 33 and the second frame 34.

[0051] Specifically, during installation, the staff can first install the display screen 40 on the first frame 33 and the second frame 34, and after the installation is completed, install the first frame 33 and the second frame 34, and then combine the first frame 33 and the second frame 34, which can greatly reduce the installation difficulty of the display screen 40. When the display screen 40 fails, the first frame 33 and the second frame 34 can be separated to facilitate maintenance work. Among them, the first frame 33 can be connected by a snap-on connection or by a threaded fastener. Of course, in other embodiments, the installation frame 30 is provided with an integrated molding structure.

[0052] In some embodiments, the mounting frame 30 further includes a connecting plate 35, the connecting plate 35 is connected between the first frame 33 and the second frame 34, and the surface of the connecting plate 35 is provided with a mounting hole and a plurality of wire holes 351, the plurality of wire holes 351 are arranged on opposite sides of the mounting hole, and the two adjacent wire holes 351 are spaced apart from each other, and the support shaft 20 is mounted on the mounting hole. Specifically, there are at least two wire holes 351, and the two connecting holes 351 are arranged on opposite sides of the mounting hole. The electrical connection wires of the plurality of display screens 40 can be passed through the adjacent wire holes 351 to comb the electrical connection wires of the plurality of display screens 40 to prevent confusion, so as to facilitate the subsequent inspection or maintenance of the staff. Exemplarily, the plurality of wire holes 351 can be three, four, five, and so on. When the number of wire holes 351 is an odd number, the number of wire holes on one side of the mounting hole is more than that on the other side, and when the number of wire holes 351 is an even number, the number of wire holes 351 on opposite sides of the mounting hole is equal. Of course, in other embodiments, only one wire hole 351 may be provided.

[0053] In some embodiments, the base 10 includes a shell 12 and a support frame 13. The shell 12 is hollow to form an installation space. The support frame 13 is arranged in the installation space and connected to the side wall of the installation space. The support shaft 20 is rotatably mounted on the support frame 13 through a bearing seat 50. It can be understood that the support frame 13 is arranged in the shell 12, and the support shaft 20 is rotatably connected to the support frame 13 through the support frame 13, so that the overall structural strength of the base 10 can be higher. At the same time, the support column is rotatably mounted on the support frame 13 through the bearing seat 50, so that the support shaft 20 is more stable during the rotation process, that is, the rotation stability of the installation frame 30 is improved. Of course, in other embodiments, the support shaft 20 can also be rotatably mounted on the base 10 through the bearing seat 50.

[0054] Furthermore, the support frame 13 includes two support seats, a first mounting frame and a second mounting frame, the two support seats are arranged on opposite sides of the installation space, the first mounting frame and the second mounting frame are arranged between the two support seats and connected to the two support seats, and the first mounting frame and the second mounting frame are arranged at intervals from each other; the openable and rotatable display screen includes two bearing seats 50, the two bearing seats 50 are both mounted on the support shaft 20, one of the bearing seats 50 is installed on the first mounting frame, and the other bearing seat 50 is installed on the second mounting frame.

[0055] Specifically, two bearing seats 50 are arranged at intervals in the upper and lower parts, and the support shaft 20 is rotatably mounted on the support frame 13 through the two bearing seats 50, that is, the support shaft 20 has two connection parts with the support shaft 20, so that the support shaft 20 is more stable during the rotation process, that is, the rotation stability of the installation frame 30 is further improved. Of course, in other embodiments, the support frame 13 is also only provided with a first mounting frame and a second mounting frame, and the first mounting frame and the second mounting frame are connected to the inner wall of the installation space.

[0056] Furthermore, the openable and rotatable display screen also includes a mounting base, a driving motor, and a transmission structure. The mounting base is installed on the second mounting frame and is located next to the support shaft 20. The driving motor is installed on the mounting plate. The transmission structure includes a driving gear arranged on the driving motor shaft and a transmission gear sleeved on the support shaft 20. The driving gear is meshed with the transmission gear.

[0057] Specifically, the drive motor is a servo motor. Such an arrangement can make the installation structure of the drive motor, the support shaft 20, and the bearing seat 50 more compact, that is, easy to install. The transmission stability can also be ensured by gear transmission. Of course, in other embodiments, the transmission structure can also be set as a belt drive.

[0058] In some embodiments, the support shaft 20 is hollow to form a wiring channel, the wiring channel runs through both ends of the support shaft 20, the wiring channel is connected to the installation space, and the electrical connection lines of the multiple display screens 40 are arranged in the wiring channel. Specifically, the collector ring is set at one end of the support shaft 20 located in the installation space, and the electrical connection lines of the multiple display screens 40 are electrically connected to the collector ring after passing through the wiring channel. Such a setting can utilize the internal space of the support shaft 20 for wire routing, improve space utilization, and prevent the electrical connection lines of the multiple display screens 40 from being disordered in the installation space.

[0059] In some embodiments, a maintenance opening 11 is provided on the surface of the housing 12 , and the openable and rotatable display screen further includes a maintenance cover 60 , which is detachably covered on the maintenance opening 11 .

[0060] Specifically, when the retractable rotating display screen fails or needs to be repaired, the drive motor, transmission structure, collector ring, etc. can be repaired or repaired through the maintenance opening 11 without removing the housing 12, which reduces the maintenance difficulty of the user and facilitates the maintenance of the structure installed inside the housing 12. Optionally, a sealing gasket is provided between the maintenance cover 60 and the edge of the maintenance opening 11 to improve the sealing of the housing 12.

[0061] In some embodiments, the housing 12 is provided with a wiring hole 14 on its surface, the wiring hole 14 is connected to the installation space, and the electrical connection inside the installation space extends through the wiring hole 14 to connect to the mains.

[0062] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A display screen that can be opened and closed and rotated, characterized in that: include: Base; A support shaft, the support shaft being rotatably mounted on the base via a bearing seat; A collector ring, the collector ring is sleeved on the support shaft; A mounting frame, the mounting frame is fixedly connected to the support shaft, and the mounting frame has a first surface and a second surface that are arranged opposite to each other; as well as A plurality of display screens are disposed on the first surface and the second surface respectively, and each of the display screens is electrically connected to the collector ring.

2. The rotatable display screen according to claim 1, characterized in that: The first surface is provided with at least two first mounting positions, any two adjacent first mounting positions are spaced apart from each other, each of the first mounting positions is provided with the display screen, and each of the display screens is electrically connected to the collector ring; and / or The second surface is provided with at least two second mounting positions, any two adjacent second mounting positions are spaced apart from each other, each of the second mounting positions is provided with the display screen, and each of the display screens is electrically connected to the collector ring.

3. The rotatable display screen according to claim 2, characterized in that: Each of the first mounting positions is provided with a plurality of first mounting openings arranged vertically, each of the first mounting openings is correspondingly provided with a display screen, and each of the display screens is electrically connected to the collector ring.

4. The rotatable display screen according to claim 2, characterized in that: Each of the second mounting positions is provided with a plurality of second mounting openings arranged vertically, each of the second mounting openings is correspondingly provided with a display screen, and each of the display screens is electrically connected to the collector ring.

5. The rotatable display screen according to claim 1, characterized in that: The installation frame includes a first frame and a second frame that are detachably connected to each other, the first frame has the first surface, the second frame has the second surface, and the support shaft is fixedly connected to at least one of the first frame and the second frame.

6. The rotatable display screen according to claim 5, characterized in that: The mounting frame also includes a connecting plate, which is connected between the first frame and the second frame. A mounting hole and a plurality of wire holes are provided on the surface of the connecting plate. The plurality of wire holes are arranged on opposite sides of the mounting hole, and two adjacent wire holes are spaced apart from each other. The support shaft is installed in the mounting hole.

7. The rotatable display screen according to claim 1, characterized in that: The base includes a shell and a support frame. The shell is hollow to form an installation space. The support frame is arranged in the installation space and connected to the side wall of the installation space. The support shaft is rotatably installed on the support frame through the bearing seat.

8. The rotatable display screen according to claim 7, characterized in that: The support frame includes two support seats, a first mounting frame and a second mounting frame, the two support seats are arranged on opposite sides of the installation space, the first mounting frame and the second mounting frame are arranged between the two support seats and connected to the two support seats, and the first mounting frame and the second mounting frame are arranged at intervals from each other; The openable and rotatable display screen includes two bearing seats, both of which are sleeved on the support shaft, one of which is installed on the first mounting frame, and the other is installed on the second mounting frame.

9. The rotatable display screen according to claim 8, characterized in that: The openable and rotatable display screen also includes a mounting seat, a driving motor, and a transmission structure. The mounting seat is installed on the second mounting frame and is located beside the support shaft. The driving motor is installed on the mounting seat. The transmission structure includes a driving gear arranged on the driving motor shaft and a transmission gear sleeved on the support shaft. The driving gear is meshed with the transmission gear.

10. The rotatable display screen according to claim 7, characterized in that: The support shaft is hollow to form a wiring channel, the wiring channel runs through both ends of the support shaft, the wiring channel is connected to the installation space, and the electrical connection lines of the plurality of display screens are passed through the wiring channel; and / or The shell surface is provided with a maintenance opening, and the openable and rotatable display screen further comprises a maintenance cover, which is detachably covered on the maintenance opening.

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