A smart watch that improves interaction

Abstract

The present invention relates to a smart watch with improved interaction, comprising: a watch body, a first display screen, a second display screen, a first crown, a second crown, a first rotating support column and a second rotating support column, wherein the first display screen and the second display screen are located on the upper side of the watch body, the first rotating support column is used to support the rotation of the first display screen and the up and down position switching, and the second rotating support column is used to support the rotation of the second display screen and the up and down position switching. When the first display screen and the second display screen switch the up and down positions, the first crown and the second crown are pressed at the same time to release the lock of one of the first display screen and the second display screen in the lower position. When one of the first display screen and the second display screen is released, one of the first rotating support column and the second rotating support column can be rotated to switch the up and down position relationship between the first display screen and the second display screen.

Description

Technical Field

[0001] The present invention relates to the field of smart wearable technology, and in particular to a smart watch with improved interaction. Background Art

[0002] Smart wearable devices are increasingly becoming part of everyday life, bringing significant convenience to people's lives. Smartwatches are gaining increasing attention among consumers. However, current smartwatches only have a single screen. With this single screen, users have limited display options and relatively simple interaction methods. Improving the user experience, satisfying the diverse needs of different users in different smartwatch environments, and maximizing user interaction needs are key areas requiring in-depth research and development. Summary of the Invention

[0003] The present invention discloses a smart watch with improved interaction, comprising: a watch body, a first display screen, a second display screen, a first crown, a second crown, a first rotating support column and a second rotating support column, the first display screen and the second display screen are located on the upper side of the watch body, the first rotating support column is used to support the rotation of the first display screen and the up and down position switching, the second rotating support column is used to support the rotation of the second display screen and the up and down position switching, when the first display screen and the second display screen switch the up and down positions, pressing the first crown and the second crown at the same time releases the lock of one of the first display screen and the second display screen in the lower position, when one of the first display screen and the second display screen is unlocked, one of the first rotating support column and the second rotating support column can be rotated to switch the up and down position relationship of the first display screen and the second display screen.

[0004] In the smartwatch with enhanced interaction, a linkage buckle is provided between the first rotating support column and the second rotating support column. When the first rotating support column rotates to position the first display screen at the first outermost edge, the linkage buckle releases the buckling effect of the second rotating support column, and the second display screen can move downward along the second rotating support column, and the first display screen can move upward along the first rotating support column.

[0005] Alternatively, when the second rotating support column rotates to the point where the second display screen is at the second outermost edge, the linkage buckle releases the buckling effect of the first rotating support column, and the first display screen can move downward along the first rotating support column, and the second display screen can move upward along the second rotating support column;

[0006] The first outermost edge position and the second outermost edge position are in opposite directions.

[0007] In the smart watch with improved interactivity, the first display screen is an ink screen and the second display screen is a color screen.

[0008] The smart watch with improved interaction also includes a control module. A locking structure is provided on the upper side of the watch body. The control module detects whether the first crown and the second crown are pressed at the same time. If they are pressed at the same time, the locking structure is controlled to unlock.

[0009] The smart watch with improved interaction is provided with a first conductive ring on the upper outer surface of the first rotating support column, and a second conductive ring on the upper outer surface of the second rotating support column. When the first display screen moves to the upper position, the first conductive ring is conductively connected to the first display screen, and when the second display screen moves to the upper position, the second conductive ring is conductively connected to the second display screen.

[0010] In the smart watch with improved interaction, the first rotating support column and the second rotating support column do not overlap in the horizontal plane and are staggered on the watch body.

[0011] The smart watch with improved interaction is characterized in that a first linkage release buckle is provided on the lower outer surface of the first rotating support column, and a second linkage release buckle is provided on the lower outer surface of the second rotating support column, and the first linkage release buckle and the second linkage release buckle are both set to be in a convex state. When the first rotating support column drives the first display screen to move to the first outermost edge position, the first linkage release buckle pushes the linkage buckle to move so that one end of the linkage buckle moves out of the groove of the second rotating support column to unlock the second rotating support column; when the second rotating support column drives the second display screen to move to the second outermost edge position, the second linkage release buckle pushes the linkage buckle to move so that the other end of the linkage buckle moves out of the groove of the first rotating support column to unlock the first rotating support column.

[0012] The smart watch with improved interaction specifically includes the following steps for switching display screens: when the first rotating support rod is in a compressed state, so that the first display screen is located below the second display screen, when the positions of the two display screens need to be switched, after the locking structure contacts the lock, the first rotating support rod is manually rotated clockwise so that the first display screen is at the first outermost edge position. At this time, the first linkage release buckle is just satisfied to squeeze the linkage buckle support rod to rotate counterclockwise in the first groove and leave the first groove. Since the two ends of the linkage buckle support rod are linked, at this time, under the rotation action of the linkage buckle support rod, the other end of the linkage buckle support rod is driven to leave the second groove counterclockwise. At this time, the linkage buckle left limit rod is released from the first elastic element. When the first display screen is in the upper position, the second display screen will not automatically move up from the lower position to the upper position because the first rotating support rod is manually rotated counterclockwise, and the linkage buckle support rod returns to the initial position under the rebound action of the linkage buckle rotating component. At this time, the first rotating support rod is in an extended state, and the first display screen is in the upper position. The second rotating support rod is in a contracted state due to manual squeezing, and the second display screen is in the lower position. At this time, the linkage buckle right limiting rod is in the second elastic element, and the second display screen will not automatically move up from the lower position to the upper position.

[0013] When the second rotating support rod is in a compressed state, the second display screen is located below the first display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the locking structure, the second rotating support rod is manually rotated counterclockwise so that the second display screen is at the second outermost edge position. At this time, the second linkage release buckle is just satisfied, and the linkage buckle support rod rotates clockwise in the second groove and leaves the second groove. The linkage buckle left limit rod leaves the first elastic element, and the linkage buckle limit rod leaves the second elastic element, so that the second elastic element can rebound, and the first elastic element can By manually compressing it to the lower side and then manually rotating the second rotating support rod clockwise, the second display screen is driven to return to its initial position in the upper position. Due to the manual clockwise rotation of the second rotating support rod, the linked buckle support rod returns to its initial position under the rebound action of the linked buckle rotating component. At this time, the second rotating support rod is in an extended state, and the second display screen is in the upper position. The first rotating support rod is in a contracted state due to manual squeezing, and the first display screen is in the lower position. At this time, the linked buckle left limit rod is in the first elastic element, and the first display screen will not automatically move from the lower position to the upper position.

[0014] The present invention proposes a smart watch with improved interaction, which is provided with two display screens. The two display screens can be switched in the vertical direction according to the user experience of the user. By setting the switching settings of different types of display screens, the needs of different users can be met. In addition, due to the provision of an ink screen, the power loss can be reduced at an appropriate time. The up and down switching of the two display screens can be achieved through a mechanical structure, which can reduce the power loss caused by electric switching. As one of the main improvements of the present invention, two different types of display screens are provided to achieve the switching of the upper and lower position relationships. By mechanically rotating and moving up and down, the power loss can be reduced. As another improvement of the present invention, in order to avoid the instability caused by mechanical rotation, the electrical signal detection caused by pressing the two crowns at the same time is used to release the locking structure, and the mechanical rotation is used to trigger the linkage buckle to achieve mechanical unlocking. The combination of unlocking by electrical signal detection and mechanical unlocking effectively improves the stability of display screen switching. Another improvement of the present invention is that the first and second rotating support columns are provided. These columns can not only drive the display screen to rotate to make room for switching between upper and lower positions, but also enable a single display screen to be displayed via the conductive rings on the upper portions of the first and second rotating support columns, thereby avoiding power loss caused by simultaneous displays. Furthermore, the rotating support columns can be mechanically released via the first and second linked release buckles on the lower portions of the first and second rotating support columns. By providing two different types of display screens, the interactive performance of the smartwatch can be effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic top view of the smart watch of the present invention.

[0016] Figure 2 This is a schematic diagram of the state of the rotating support column when the first display screen of the present invention is located at the bottom.

[0017] Figure 3 This is a schematic diagram of the state of the rotating support column when the second display screen of the present invention is located at the bottom. DETAILED DESCRIPTION

[0018] The present application is described in further detail below in conjunction with the accompanying drawings. It is necessary to point out that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technicians in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0019] like Figure 1FIG2 is a top view of the smartwatch of the present invention, comprising: a watch body 9, a first display screen 8, a second display screen (located below the first display screen 8, not shown in the figure), a first crown 1, a second crown 2, a first rotating support column 5, a second rotating support column 6, a control module 3, a locking structure 4, and a linkage buckle 7.

[0020] The first rotation support column 5 is used to drive the first display screen 8 to rotate leftward in a clockwise direction, and the second rotation support column 6 is used to drive the second display screen to rotate rightward and leftward in a counterclockwise direction.

[0021] like Figure 2 , which is a schematic diagram of the state of the rotating support column when the first display screen of the present invention is located at the bottom.

[0022] The device comprises: a first conductive ring 501, a first conductive post 502, a first elastic element 503, a first linkage release buckle 504, a linkage buckle in a groove 505 of the first rotating support post, a second conductive ring 601, a second conductive post 602, a second elastic element 603, a second linkage release buckle 604, a linkage buckle in a groove 605 of the second rotating support post, a linkage buckle left limiting rod 701, a linkage buckle right limiting rod 702, a linkage buckle support rod 703, a linkage buckle rotating rod 704, and a linkage buckle rotating component 705. At this time, the first rotating support rod 5 is in a downwardly compressed state. Due to the compression of the first elastic element 503, the first rotating support rod 5 is compressed downward, causing the first conductive ring 501 to separate from the first conductive post 502. As a result, the first conductive ring 501 loses power.

[0023] like Figure 3 , which is a schematic diagram of the state of the rotating support column when the second display screen of the present invention is located at the bottom.

[0024] The system comprises: a first conductive ring 501', a first conductive post 502', a first elastic element 503', a first linkage release buckle 504', a linkage buckle in a groove 505' on the first rotating support post, a second conductive ring 601', a second conductive post 602', a second elastic element 603', a second linkage release buckle 604', a linkage buckle in a groove 605' on the second rotating support post, a linkage buckle left limiting rod 701', a linkage buckle right limiting rod 702', a linkage buckle support rod 703', a linkage buckle rotating rod 704', and a linkage buckle rotating component 705'. At this time, the second rotating support rod 6 is in a downwardly compressed state. Due to the compression of the second elastic element 603', the second rotating support rod 6 is compressed downward, causing the second conductive ring 601' to separate from the second conductive post 602', thereby deenergizing the second conductive ring 601'.

[0025] It should be noted that Figure 2 and Figure 3 The first rotation support rod 5 and the second rotation support rod 6 are substantially the same components, but are in different states.

[0026] The first display screen and the second display screen are located on the upper side of the watch body, the first rotating support column is used to support the rotation of the first display screen and the switching of the up and down positions, and the second rotating support column is used to support the rotation of the second display screen and the switching of the up and down positions. When the first display screen and the second display screen switch the up and down positions, the first crown and the second crown are pressed at the same time to release the lock of one of the first display screen and the second display screen in the lower position. When one of the first display screen and the second display screen is unlocked, one of the first rotating support column and the second rotating support column can be rotated to switch the up and down position relationship of the first display screen and the second display screen.

[0027] Preferably, when Figure 2 When the first display screen is in the first outermost position, the first rotating support rod 5 is in the compressed state, so that the first display screen is located below the second display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the lock, the first rotating support rod 5 is manually rotated clockwise so that the first display screen is at the first outermost edge position. At this time, the first linkage release buckle 504 is just satisfied to squeeze the linkage buckle support rod 703 in the groove 505 to rotate counterclockwise and leave the groove 505. Since the two ends of the linkage buckle support rod 703 are linked, at this time, under the rotation action of the linkage buckle support rod 703, the other end of the linkage buckle support rod 703 is driven to leave the groove 605 counterclockwise. At this time, the linkage buckle left limit rod 701 leaves the first elastic element 503 and the linkage buckle right limit rod The positioning rod 702 leaves the second elastic element 603, allowing the first elastic element 503 to rebound, and the second elastic element 603 can be manually compressed to the lower side, and then the first rotation support rod 5 is manually rotated counterclockwise to drive the first display screen to return to its initial position at the upper position. Due to the manual counterclockwise rotation of the first rotation support rod 5, the linkage buckle support rod 703 returns to its initial position under the rebound action of the linkage buckle rotating component 705. At this time, the first rotation support rod 5 is in an extended state, the first display screen is in the upper position, and the second rotation support rod 6 is in a contracted state due to manual squeezing, and the second display screen is in the lower position. At this time, the linkage buckle right limit rod 702 is in the second elastic element 603, and the second display screen will not automatically move from the lower position to the upper position.

[0028] Preferably, when Figure 3 When in state, Figure 2The operation method is similar. At this time, the second rotating support rod 6 is in a compressed state, so that the second display screen is located below the first display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the lock, the second rotating support rod 6 is manually rotated counterclockwise so that the second display screen is at the second outermost edge position. At this time, the second linkage release buckle 604 is just satisfied to squeeze the linkage buckle support rod 703 in the groove 605 and rotate clockwise to leave the groove 605. The linkage buckle left limiting rod 701 leaves the first elastic element 503, and the linkage buckle limiting rod 702 leaves the second elastic element 603, so that the second elastic element 603 can rebound. The first elastic element 503 can be manually compressed to the lower side, and then the second rotation support rod 6 is manually rotated clockwise to drive the second display screen to return to the initial position at the upper side. Due to the manual clockwise rotation of the second rotation support rod 6, the linkage buckle support rod 703 returns to the initial position under the rebound action of the linkage buckle rotating component 705. At this time, the second rotation support rod 6 is in an extended state, and the second display screen is in the upper position. The first rotation support rod 5 is in a contracted state due to manual squeezing, and the first display screen is in the lower position. At this time, the linkage buckle left limit rod 701 is in the first elastic element 503, and the first display screen will not automatically move from the lower position to the upper position.

[0029] It should be noted that the left limit rod 701 of the linkage buckle and the right limit rod 702 of the linkage buckle are preferably of the same length. There are two limit holes for the first elastic element 503 and the second elastic element 603, one is a limit hole in a compressed state, and the other is a limit hole in an extended state.

[0030] In the smartwatch with enhanced interaction, a linkage buckle is provided between the first rotating support column and the second rotating support column. When the first rotating support column rotates to position the first display screen at the first outermost edge, the linkage buckle releases the buckling effect of the second rotating support column, and the second display screen can move downward along the second rotating support column, and the first display screen can move upward along the first rotating support column.

[0031] Alternatively, when the second rotating support column rotates to the point where the second display screen is at the second outermost edge, the linkage buckle releases the buckling effect of the first rotating support column, and the first display screen can move downward along the first rotating support column, and the second display screen can move upward along the second rotating support column;

[0032] The first outermost edge position and the second outermost edge position are in opposite directions.

[0033] In the smart watch with improved interaction, the first display screen is an ink screen and the second display screen is a color screen.

[0034] The smart watch with improved interaction also includes a control module. A locking structure is provided on the upper side of the watch body. The control module detects whether the first crown and the second crown are pressed at the same time. If they are pressed at the same time, the locking structure is controlled to unlock.

[0035] The smart watch with improved interaction is provided with a first conductive ring on the upper outer surface of the first rotating support column, and a second conductive ring on the upper outer surface of the second rotating support column. When the first display screen moves to the upper position, the first conductive ring is conductively connected to the first display screen, and when the second display screen moves to the upper position, the second conductive ring is conductively connected to the second display screen.

[0036] In the smart watch with improved interaction, the first rotating support column and the second rotating support column do not overlap in the horizontal plane and are staggered on the watch body.

[0037] The smart watch with improved interaction is characterized in that a first linkage release buckle is provided on the lower outer surface of the first rotating support column, and a second linkage release buckle is provided on the lower outer surface of the second rotating support column, and the first linkage release buckle and the second linkage release buckle are both set to be in a convex state. When the first rotating support column drives the first display screen to move to the first outermost edge position, the first linkage release buckle pushes the linkage buckle to move so that one end of the linkage buckle moves out of the groove of the second rotating support column to unlock the second rotating support column; when the second rotating support column drives the second display screen to move to the second outermost edge position, the second linkage release buckle pushes the linkage buckle to move so that the other end of the linkage buckle moves out of the groove of the first rotating support column to unlock the first rotating support column.

[0038] A control method for a smartwatch that improves interaction can set different types of display screens to switch display screens to meet the needs of different users, specifically including the following steps of switching display screens:

[0039] When the first display screen is in the first outermost position, the first rotating support rod 5 is in the compressed state, so that the first display screen is located below the second display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the lock, the first rotating support rod 5 is manually rotated clockwise so that the first display screen is at the first outermost edge position. At this time, the first linkage release buckle 504 is just satisfied to squeeze the linkage buckle support rod 703 in the groove 505 to rotate counterclockwise and leave the groove 505. Since the two ends of the linkage buckle support rod 703 are linked, at this time, under the rotation action of the linkage buckle support rod 703, the other end of the linkage buckle support rod 703 is driven to leave the groove 605 counterclockwise. At this time, the linkage buckle left limit rod 701 leaves the first elastic element 503, and the linkage buckle right limit rod 701 is released. 02 leaves the second elastic element 603, so that the first elastic element 503 can rebound, and the second elastic element 603 can be manually compressed to the lower side, and then the first rotation support rod 5 is manually rotated counterclockwise to drive the first display screen to return to the initial position at the upper position. Due to the manual counterclockwise rotation of the first rotation support rod 5, the linkage buckle support rod 703 returns to the initial position under the rebound action of the linkage buckle rotating component 705. At this time, the first rotation support rod 5 is in an extended state, and the first display screen is in the upper position. The second rotation support rod 6 is in a contracted state due to manual squeezing, and the second display screen is in the lower position. At this time, the linkage buckle right limit rod 702 is in the second elastic element 603, and the second display screen will not automatically move from the lower position to the upper position.

[0040] The second rotating support rod 6 is in a compressed state, so that the second display screen is located below the first display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the lock, the second rotating support rod 6 is manually rotated counterclockwise so that the second display screen is at the second outermost edge position. At this time, the second linkage release buckle 604 is just satisfied to squeeze the linkage buckle support rod 703 in the groove 605 and rotate clockwise to leave the groove 605. The linkage buckle left limit rod 701 leaves the first elastic element 503, and the linkage buckle limit rod 702 leaves the second elastic element 603, so that the second elastic element 603 can rebound, and the first elastic element Part 503 can be manually compressed to the lower side, and then the second rotation support rod 6 is manually rotated clockwise to drive the second display screen to return to the initial position at the upper side position. Due to the manual clockwise rotation of the second rotation support rod 6, the linkage buckle support rod 703 returns to the initial position under the rebound action of the linkage buckle rotating component 705. At this time, the second rotation support rod 6 is in an extended state, and the second display screen is in the upper position. The first rotation support rod 5 is in a contracted state due to manual squeezing, and the first display screen is in the lower position. At this time, the linkage buckle left limit rod 701 is in the first elastic element 503, and the first display screen will not automatically move from the lower position to the upper position.

[0041] The present invention proposes a smart watch with improved interaction, which is provided with two display screens. The two display screens can be switched in the vertical direction according to the user experience of the user. By setting the switching settings of different types of display screens, the needs of different users can be met. In addition, due to the provision of an ink screen, the power loss can be reduced at an appropriate time. The up and down switching of the two display screens can be achieved through a mechanical structure, which can reduce the power loss caused by electric switching. As one of the main improvements of the present invention, two different types of display screens are provided to achieve the switching of the upper and lower position relationships. By mechanically rotating and moving up and down, the power loss can be reduced. As another improvement of the present invention, in order to avoid the instability caused by mechanical rotation, the electrical signal detection caused by pressing the two crowns at the same time is used to release the locking structure, and the mechanical rotation is used to trigger the linkage buckle to achieve mechanical unlocking. The combination of unlocking by electrical signal detection and mechanical unlocking effectively improves the stability of display screen switching. Another improvement of the present invention is that the first and second rotating support columns are provided. These columns can not only drive the display screen to rotate to make room for switching between upper and lower positions, but also enable a single display screen to be displayed via the conductive rings on the upper portions of the first and second rotating support columns, thereby avoiding power loss caused by simultaneous displays. Furthermore, the rotating support columns can be mechanically released via the first and second linked release buckles on the lower portions of the first and second rotating support columns. By providing two different types of display screens, the interactive performance of the smartwatch can be effectively improved.

Claims

1. A smart watch with improved interaction, characterized in that: include: The watch body includes a first display screen, a second display screen, a first crown, a second crown, a first rotating support column, and a second rotating support column. The first display screen and the second display screen are located on the upper side of the watch body. The first rotating support column is used to support the rotation of the first display screen and the switching of the upper and lower positions. The second rotating support column is used to support the rotation of the second display screen and the switching of the upper and lower positions. When the first display screen and the second display screen switch the upper and lower positions, the first crown and the second crown are pressed at the same time to release the lock of one of the first display screen and the second display screen in the lower position. After the lock of one of the first display screen and the second display screen is released, the first rotating support column and the second rotating support column can be rotated to switch the upper and lower position relationship of the first display screen and the second display screen. A linkage buckle is provided between the first rotating support column and the second rotating support column. When the first rotating support column is rotated to make the first display screen at the first outermost edge position, the linkage buckle releases the buckling effect of the second rotating support column, and the second display screen can move downward along the second rotating support column, and the first display screen can move upward along the first rotating support column. Alternatively, when the second rotating support column rotates to the point where the second display screen is at the second outermost edge, the linkage buckle releases the buckling effect of the first rotating support column, and the first display screen can move downward along the first rotating support column, and the second display screen can move upward along the second rotating support column; The first outermost edge position and the second outermost edge position are in opposite directions; A first conductive ring is provided on the upper outer surface of the first rotating support column, and a second conductive ring is provided on the upper outer surface of the second rotating support column. When the first display screen moves to the upper position, the first conductive ring is electrically connected to the first display screen, and when the second display screen moves to the upper position, the second conductive ring is electrically connected to the second display screen; The first rotation support column and the second rotation support column do not overlap in a horizontal plane and are staggeredly arranged on the watch body.

2. The smart watch for improving interaction according to claim 1, wherein: The first display screen is an ink screen, and the second display screen is a color screen.

3. The smart watch for improving interaction according to claim 1, wherein: The smart watch also includes a control module. A locking structure is provided on the upper side of the watch body. The control module detects whether the first crown and the second crown are pressed at the same time. If they are pressed at the same time, the locking structure is controlled to unlock.

4. The smartwatch for improving interaction according to claim 1, wherein: The first and second rotation support columns are configured to have a first linkage release catch provided on the outer surface of the lower portion of the first rotation support column, and a second linkage release catch provided on the outer surface of the lower portion of the second rotation support column, wherein the first linkage release catch and the second linkage release catch are both configured to be in a convex state, and when the first rotation support column drives the first display screen to move to the first outermost edge position, the first linkage release catch pushes the linkage catch to move so that one end of the linkage catch moves out of the groove of the second rotation support column, thereby unlocking the second rotation support column; when the second rotation support column drives the second display screen to move to the second outermost edge position, the second linkage release catch pushes the linkage catch to move so that the other end of the linkage catch moves out of the groove of the first rotation support column, thereby unlocking the first rotation support column.

5. The smart watch for improving interaction according to claim 1, wherein: The specific steps for switching the display screens are as follows: when the first rotating support column is in a compressed state, so that the first display screen is located below the second display screen, when the positions of the two display screens need to be switched, after the locking structure contacts the locking structure, the first rotating support column is manually rotated clockwise so that the first display screen is at the first outermost edge position. At this time, the first linkage release buckle is just satisfied, and the linkage buckle support rod rotates counterclockwise in the first groove and leaves the first groove. Since the two ends of the linkage buckle support rod are linked, at this time, under the rotation action of the linkage buckle support rod, the other end of the linkage buckle support rod is driven to leave the second groove counterclockwise. At this time, the linkage buckle left limit rod leaves the first elastic element and the linkage buckle The right limit rod of the buckle moves away from the second elastic element, so that the first elastic element can rebound, and the second elastic element can be manually compressed to the lower side, and then the first rotation support column is manually rotated counterclockwise to drive the first display screen to return to the initial position at the upper position. Due to the manual counterclockwise rotation of the first rotation support column, the linked buckle support rod returns to the initial position under the rebound action of the linked buckle rotating component. At this time, the first rotation support column is in an extended state, and the first display screen is in the upper position. The second rotation support column is in a contracted state due to manual squeezing, and the second display screen is in the lower position. At this time, the right limit rod of the linked buckle is in the second elastic element, and the second display screen will not automatically move from the lower position to the upper position; When the second rotating support column is in a compressed state, the second display screen is located below the first display screen. When the positions of the two display screens need to be switched, after the locking structure contacts the lock, the second rotating support column is manually rotated counterclockwise so that the second display screen is at the second outermost edge position. At this time, the second linkage release buckle is just satisfied. The linkage buckle support rod rotates clockwise in the second groove and leaves the second groove. The linkage buckle left limit rod leaves the first elastic element, and the linkage buckle limit rod leaves the second elastic element, so that the second elastic element can rebound, and the first elastic element can pass Manually compress it to the lower side, and then manually rotate the second rotating support column clockwise to drive the second display screen to return to its initial position in the upper position. Due to the manual clockwise rotation of the second rotating support column, the linked buckle support rod returns to its initial position under the rebound action of the linked buckle rotating component. At this time, the second rotating support column is in an extended state, and the second display screen is in the upper position. The first rotating support column is in a contracted state due to manual squeezing, and the first display screen is in the lower position. At this time, the linked buckle left limit rod is in the first elastic element, and the first display screen will not automatically move from the lower position to the upper position.

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