Folding mechanism, rollable screen structure and electronic device

Abstract

The disclosure provides a folding mechanism, a rollable screen structure and an electronic device. The folding mechanism comprises a first moving plate, a second moving plate and a linkage mechanism. The first moving plate is supported below an object to be rolled. The second moving plate is spaced apart from the first moving plate along a first direction. The second moving plate is connected to a first end of the object to be rolled and supported below the object to be rolled. The linkage mechanism is movably connected between the first moving plate and the second moving plate. The first moving plate moves along a second direction, driving the linkage mechanism to fold or unfold, and the linkage mechanism drives the second moving plate to move along the first direction to approach or move away from the first moving plate, so as to switch the object to be rolled between a folded state and an unfolded state. In this way, the object to be rolled is switched between the folded state and the unfolded state, the object to be rolled can be a screen, the mutual cooperation function of the screen and the whole machine in the rolled state is realized, the purpose of the screen zoom function in the complete state is achieved, and the appearance of the whole machine is reduced.

Description

Technical Field

[0001] This disclosure relates to the field of screen display, and more particularly to a folding mechanism, a rollable screen structure, and an electronic device. Background Technology

[0002] Rollable screens refer to flexible OLED (Organic Light-Emitting Diode) displays. The successful mass production of rollable screens is a major boon to the manufacturing of next-generation high-end smartphones. In the future, rollable screens will be widely used as personal smart devices continue to penetrate the market.

[0003] The sliding phone technology in this field is an upgrade based on foldable screens, enabling partial display expansion, i.e., expanding or shrinking the flat area. Although electronic products in this technology can switch the size of the display area, the overall form factor of these products cannot completely shrink or expand the screen; they can only partially shrink or expand it. Summary of the Invention

[0004] This disclosure provides a folding mechanism, a rollable screen structure, and an electronic device designed to reduce the overall form factor of the device.

[0005] In a first aspect, this disclosure provides a folding mechanism, comprising:

[0006] A first movable plate used to support the object to be rolled up;

[0007] A second movable plate, spaced apart from the first movable plate along a first direction, is connected to the first end of the object to be rolled and supported below the object; and

[0008] A linkage mechanism is movably connected between the first movable plate and the second movable plate;

[0009] The first moving plate moves along the second direction, causing the linkage mechanism to fold or unfold. The linkage mechanism causes the second moving plate to move closer to or away from the first moving plate along the first direction, so that the object to be rolled can switch between a folded state and an unfolded state. The second direction is perpendicular to the first direction.

[0010] Optionally, it also includes a drive component connected to the first movable plate for driving the first movable plate to move along the second direction.

[0011] Optionally, the drive assembly includes a motor, a first transmission component connected to the motor, and a second transmission component connected to the first transmission component, wherein the second transmission component is connected to the first movable plate;

[0012] The motor rotates clockwise, causing the first transmission component to rotate clockwise. The first transmission component causes the second transmission component to move away from the motor along the second direction. The second transmission component causes the first moving plate to move forward along the second direction.

[0013] The motor rotates counterclockwise, causing the first transmission component to rotate counterclockwise. The first transmission component causes the second transmission component to move closer to the motor along the second direction. The second transmission component causes the first moving plate to move in the opposite direction along the second direction.

[0014] Optionally, the first transmission component is a screw, and the second transmission component is a nut adapted to the screw, wherein the screw extends along the second direction; or

[0015] The first transmission component is a screw, and the second transmission component is a gear adapted to the screw, wherein the screw extends along the second direction; or

[0016] The first transmission component is a gear, and the second transmission component is a rack adapted to the gear, the rack extending along the second direction.

[0017] Optionally, the linkage mechanism includes:

[0018] The first linkage assembly is movably connected to the first end of the first movable plate and the first end of the second movable plate;

[0019] The second linkage assembly is movably connected to the second end of the first movable plate and the second end of the second movable plate;

[0020] The first movable plate moves forward along the second direction, causing the first linkage assembly and the second linkage assembly to fold, thereby causing the second movable plate to move closer to the first movable plate along the first direction;

[0021] The first movable plate moves in the opposite direction along the second direction, causing the first linkage assembly and the second linkage assembly to unfold, so as to cause the second movable plate to move away from the first movable plate along the first direction.

[0022] Optionally, the first link assembly includes:

[0023] The first link, the first end of the first link being hinged to the first movable plate;

[0024] The second link has its first end hinged to the second movable plate and its second end hinged to the second end of the first link.

[0025] The first movable plate moves forward along the second direction, causing the first connecting rod to rotate clockwise, and the first connecting rod causes the second connecting rod to rotate counterclockwise so that the first connecting rod assembly folds;

[0026] The first movable plate moves in the opposite direction along the second direction, and the first movable plate drives the first connecting rod to rotate counterclockwise. The first connecting rod drives the second connecting rod to rotate clockwise so that the first connecting rod assembly unfolds.

[0027] Optionally, the first movable plate is provided with a first tooth, and the first linkage assembly further includes a first gear adapted to the first tooth, the first gear being connected to a first end of the first linkage and connected to the first tooth; and / or

[0028] The second movable plate is provided with a second tooth, and the first connecting rod assembly further includes a second gear adapted to the second tooth, the second gear being connected to the first end of the second connecting rod and connected to the second tooth; and / or

[0029] The first link assembly further includes a first hinge connecting the first link and the second link.

[0030] Optionally, the second link assembly includes:

[0031] The third link, the first end of which is hinged to the first movable plate;

[0032] The fourth link, the first end of which is hinged to the second movable plate, and the second end of which is hinged to the second end of the third link;

[0033] The first movable plate moves forward along the second direction, causing the third link to rotate counterclockwise, and the third link causes the fourth link to rotate clockwise to fold the second link assembly;

[0034] The first moving plate moves in the opposite direction along the second direction, and the first moving plate drives the third link to rotate clockwise, and the third link drives the fourth link to rotate counterclockwise so that the second link assembly is deployed.

[0035] Optionally, the first movable plate is provided with a third tooth, and the second linkage assembly further includes a third gear adapted to the third tooth, the third gear being connected to the first end of the third linkage and connected to the third tooth; and / or

[0036] The second movable plate is provided with a fourth tooth, and the second linkage assembly further includes a fourth gear adapted to the fourth tooth, the fourth gear being connected to the first end of the fourth linkage and connected to the fourth tooth; and / or

[0037] The second link assembly also includes a second hinge connected between the third link and the fourth link.

[0038] Secondly, this disclosure also provides a rollable screen structure, including: a rollable screen and the folding mechanism described in the first aspect;

[0039] The first movable plate is supported below the rollable screen;

[0040] The second movable plate is connected to the first end of the rollable screen and supported below the rollable screen; and

[0041] The first moving plate moves along the second direction, causing the linkage mechanism to fold or unfold. The linkage mechanism causes the second moving plate to move closer to or away from the first moving plate along the first direction, so that the rollable screen switches between the folded state and the unfolded state.

[0042] Optionally, it also includes a rotating shaft, with the second end of the rollable screen wound around the rotating shaft and connected to the rotating shaft;

[0043] When the rollable screen switches from the unfolded state to the folded state, the pivot rotates so that the second end of the rollable screen gradually wraps around the pivot;

[0044] When the rollable screen switches from a folded state to an unfolded state, the pivot rotates so that the second end of the rollable screen gradually wraps around the pivot.

[0045] Optionally, the pivot is located on the side of the folding mechanism away from the rollable screen; or

[0046] The rotating shaft is spaced apart from the folding mechanism along the first direction.

[0047] Thirdly, this disclosure also provides an electronic device, including:

[0048] Casing; and

[0049] The rollable screen structure as described in the second aspect above is disposed within the body;

[0050] When the rollable screen switches from the unfolded state to the folded state, the first moving plate moves forward along the second direction, driving the linkage mechanism to fold. The linkage mechanism drives the second moving plate to move closer to the first moving plate along the first direction, so that the first end of the rollable screen retracts into the housing.

[0051] When the rollable screen switches from the folded state to the unfolded state, the first moving plate moves in the opposite direction along the second direction, causing the linkage mechanism to unfold. The linkage mechanism then causes the second moving plate to move away from the first moving plate along the first direction, so that the first end of the rollable screen gradually moves away from the housing.

[0052] This disclosure provides a folding mechanism in which the horizontal movement of a first moving plate drives a linkage mechanism to fold or unfold, further driving a second moving plate to move closer to or away from the first moving plate. This configuration allows the object to be rolled to switch between a folded state and an unfolded state. The object to be rolled can be a screen, achieving a coordinated function between the screen and the overall rolled state, thus achieving the purpose of screen scaling in the full state and reducing the overall size of the device. Attached Figure Description

[0053] Figure 1 The diagram shown is a structural schematic of the rolled-up screen of the electronic device disclosed herein in an unfolded state;

[0054] Figure 2 As shown Figure 1 The diagram shows the structure of the electronic device with its roll-up screen in a contracted state.

[0055] Figure 3 As shown Figure 1 A cross-sectional view of the rollable screen structure of the electronic device shown;

[0056] Figure 4 As shown Figure 2 A cross-sectional view of the rollable screen structure of the electronic device shown;

[0057] Figure 5 The diagram shows the structure of the first and second linkage components of the linkage mechanism of an electronic device during the folding or extending process. Detailed Implementation

[0058] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this disclosure. Rather, they are merely examples of apparatuses consistent with some aspects of this disclosure as detailed in the appended claims.

[0059] The terminology used in this disclosure is for the purpose of describing particular embodiments only and is not intended to limit the disclosure. Unless otherwise defined, the technical or scientific terms used in this disclosure should be understood in their ordinary sense by one of ordinary skill in the art to which this disclosure pertains. The terms “first,” “second,” and similar terms used in this disclosure and the claims do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Similarly, the terms “a” or “one,” and similar terms do not indicate a quantity limitation, but rather indicate the presence of at least one. “A plurality” or “several” indicates two or more. Unless otherwise stated, the terms “front,” “rear,” “lower,” and / or “upper,” and similar terms are for ease of description only and are not limited to a location or spatial orientation. The terms “comprising,” “including,” and similar terms mean that the elements or objects preceding “comprising,” encompass the elements or objects listed following “comprising,” and their equivalents, and do not exclude other elements or objects. The terms “connected,” “linked,” and similar terms are not limited to physical or mechanical connections and can include electrical connections, whether direct or indirect. The singular forms “a,” “the,” and “the” used in this disclosure and the appended claims are also intended to include the plural forms, unless the context clearly indicates otherwise. It should also be understood that the term “and / or” as used herein refers to and includes any or all possible combinations of one or more of the associated listed items.

[0060] This disclosure provides a folding mechanism, including a first movable plate, a second movable plate, and a linkage mechanism. The first movable plate is supported below an object to be rolled up. The second movable plate is spaced apart from the first movable plate along a first direction. The second movable plate is connected to the first end of the object to be rolled up and supported below the object. The linkage mechanism is movably connected between the first and second movable plates. Movement of the first movable plate along a second direction causes the linkage mechanism to fold or unfold, and the linkage mechanism causes the second movable plate to move closer to or further away from the first movable plate along the first direction, thereby switching the object to be rolled up between a folded state and an unfolded state. The second direction is perpendicular to the first direction.

[0061] The folding mechanism disclosed herein uses the horizontal movement of a first moving plate to drive a linkage mechanism to fold or unfold, further driving a second moving plate to move closer to or away from the first moving plate. This configuration allows the object to be rolled to switch between a folded state and an unfolded state. The object to be rolled can be a screen, enabling the screen and the entire device to work together in their rolled-up states, achieving the goal of scaling the screen in its full state while reducing the overall size of the device.

[0062] This disclosure also provides a rollable screen structure, including: a rollable screen and the folding mechanism. A first movable plate is supported below the rollable screen. A second movable plate is connected to a first end of the rollable screen and supported below it. The first movable plate moves along a second direction, causing the linkage mechanism to fold or unfold. The linkage mechanism causes the second movable plate to move closer to or away from the first movable plate along the first direction, thereby switching the rollable screen between a folded state and an unfolded state. The following description uses the rollable screen as an example of the object to be rolled up.

[0063] The rollable screen structure disclosed herein uses the horizontal movement of a first moving plate to drive a linkage mechanism to fold or unfold, further driving a second moving plate to move closer to or away from the first moving plate. This configuration allows the rollable screen to switch between folded and unfolded states, achieving a coordinated function between the screen and the entire device in their rolled-up states. This achieves the goal of scaling the screen in its full state while reducing the overall size of the device.

[0064] This disclosure also provides an electronic device, including: a housing and a rollable screen structure disposed within the housing. When the rollable screen switches from an unfolded state to a folded state, a first moving plate moves forward along a second direction, causing the linkage mechanism to fold. The linkage mechanism causes a second moving plate to move along the first direction closer to the first moving plate, so that the first end of the rollable screen retracts into the housing. When the rollable screen switches from a folded state to an unfolded state, the first moving plate moves in the second direction in the opposite direction, causing the linkage mechanism to unfold. The linkage mechanism causes the second moving plate to move along the first direction away from the first moving plate, so that the first end of the rollable screen gradually moves away from the housing.

[0065] The electronic device disclosed herein uses the horizontal movement of a first movable plate to drive a linkage mechanism to fold or unfold, further driving a second movable plate to move closer to or away from the first movable plate, thereby realizing the folding or unfolding of a rollable screen. This configuration allows the rollable screen to switch between folded and unfolded states, achieving a coordinated function between the screen and the entire device in their rolled-up states. This achieves the goal of scaling the screen in its full state while reducing the overall size of the device.

[0066] Figure 1 The diagram shown is a structural schematic of the rollable screen 2 of the electronic device 1 provided in this disclosure in an unfolded state. Figure 2 As shown Figure 1 The diagram shows the structure of the electronic device 1 with its rollable screen 2 in a retracted state. (Combined with...) Figure 1 , Figure 2As shown, the electronic device 1 includes a housing 10 and a rollable screen structure 11. The rollable screen structure 11 includes a rollable screen 2, a first movable plate 3, a second movable plate 4, and a linkage mechanism 5. The first movable plate 3 is supported below the rollable screen 2. The second movable plate 4 moves along a first direction (e.g., ...). Figure 1 The second movable plate 4 is spaced apart from the first movable plate 3 in the vertical direction. The second movable plate 4 is connected to the first end of the rollable screen 2 (e.g., in the vertical direction). Figure 1 The upper end of the rollable screen 2) is supported below the rollable screen 2. The linkage mechanism 5 is movably connected between the first moving plate 3 and the second moving plate 4. The first moving plate 3 moves along the second direction (e.g., ...). Figure 1 In the horizontal direction, the linkage mechanism 5 is driven to fold or unfold. The linkage mechanism 5 drives the second moving plate 4 to move closer to or away from the first moving plate 3 along the first direction, so that the rollable screen 2 switches between the folded and unfolded states. The second direction is perpendicular to the first direction. In related technologies, the entire smart terminal cannot be fully retracted, only a portion can be retracted. Therefore, the overall size of this type of device is relatively large and requires further improvement. In this embodiment, the housing 10 is connected to the rollable screen structure 11. Specifically, the first moving plate 3 is close to and connected to the housing 10. The second moving plate 4 moves along the first direction (e.g., horizontal direction) to fold or unfold the first moving plate 3. Figure 1 The first moving plate 3 is spaced apart from the second moving plate 4 (vertically) and connected to the rollable screen 2. A linkage mechanism 5 connects the first moving plate 3 and the second moving plate 4. The second direction includes horizontal left and horizontal right. The first direction includes vertical upward and vertical downward. In the example shown, when the rollable screen 2 changes from an unfolded state to a retracted state, the first moving plate 3 moves horizontally to the left, causing the linkage mechanism 5 to fold, and further causing the second moving plate 4 to move horizontally to the right and closer to the first moving plate 3; when the rollable screen 2 changes from a retracted state to an unfolded state, the first moving plate 3 moves horizontally to the right, causing the linkage mechanism 5 to unfold, and further causing the second moving plate 4 to move horizontally to the left and away from the first moving plate 3. That is, when the first moving plate 3 moves to the left, it causes the rollable screen 2 to fold. When the first moving plate 3 moves to the right, it causes the rollable screen 2 to unfold. In this way, the rollable screen 2 switches between folded and unfolded states, achieving a coordinated function between the screen and the entire device in their rolled-up states. This achieves the goal of scaling the screen in its full state while reducing the overall size of the device. It should be noted that in another embodiment (not shown), the first moving plate 3 moves to the left, causing the rollable screen 2 to unfold. The first moving plate 3 moves to the right, causing the rollable screen 2 to fold. The entire movement process is the reverse of the above embodiment, and will be described in detail below.

[0067] In some embodiments, the rollable screen 2 comprises a polyimide film material and / or a polyester film material and / or a cyclic olefin polymer film material and / or a liquid crystal polymer film material and / or a PE protective film material and / or a polydimethylsiloxane film material. This is beneficial for improving the quality of the rollable screen 2.

[0068] Figure 3 As shown Figure 1 A cross-sectional view of the rollable screen structure 11 of the electronic device 1 shown. Figure 4 As shown Figure 2 A cross-sectional view of the rollable screen structure 11 of the electronic device 1 shown. Combined with... Figure 3 , Figure 4 As shown, in some embodiments, the rollable screen structure 11 further includes a pivot 28 disposed within the housing 10. The second end of the rollable screen 2 (as shown) Figure 1 The upper end of the rollable screen 2 (opposite to the upper end) is wound around and connected to the rotating shaft 28. When the rollable screen 2 switches from the unfolded state to the folded state, the rotating shaft 28 rotates so that the second end of the rollable screen 2 gradually winds into the rotating shaft 28. When the rollable screen 2 switches from the folded state to the unfolded state, the rotating shaft 28 rotates so that the second end of the rollable screen 2 gradually winds out of the rotating shaft 28. In this embodiment, the rotating shaft 28 is disposed inside the housing 10 and connected to the second end of the rollable screen 2, which is disposed opposite to the first end of the rollable screen 2. When the rollable screen 2 switches from the unfolded state to the folded state, the first end of the rollable screen 2 retracts into the housing 10, driving the rotating shaft 28 to rotate so that the second end of the rollable screen 2 gradually winds into the rotating shaft 28. When the rollable screen 2 switches from the folded state to the unfolded state, the first end of the rollable screen 2 gradually moves away from the housing 10, driving the rotating shaft 28 to rotate so that the second end of the rollable screen 2 gradually winds out of the rotating shaft 28.

[0069] Furthermore, the pivot 28 is located on the side of the folding mechanism away from the rollable screen 2, that is, the rollable screen 2 is located on one side of the folding mechanism, and the pivot 28 is located on the other side of the folding mechanism, which can make reasonable use of the internal space of the housing 10. Figure 3 and Figure 4 In the example shown, the pivot 28 is spaced apart from the folding mechanism along the first direction. In this embodiment, the pivot 28 is spaced apart from the folding mechanism along the first direction and is located on the side close to the first moving plate 3, which facilitates the retraction or unfolding of the rollable screen 2, does not occupy the longitudinal space inside the housing 10, and is beneficial to the structural design of miniaturization of the whole machine.

[0070] By setting the pivot 28, the second moving plate 4 approaches the first moving plate 3, while the rollable screen 2 is retracted into or extends out of the housing 10 via the pivot 28. The pivot 28 can work in conjunction with the folding mechanism to better achieve the folding or unfolding of the rollable screen 2. Furthermore, the pivot 28 is used to store and organize the rollable screen 2, preventing it from getting stuck or easily damaged during retraction or unfolding. Understandably, the pivot 28 can act as a roller, rotating as the rollable screen 2 unfolds or folds. It can also be understood that the working principle of the retraction or unfolding of the rollable screen 2 is similar to that of a measuring tape.

[0071] In some embodiments, when the rollable screen 2 switches from an unfolded state to a folded state, the first moving plate 3 moves forward along the second direction, driving the linkage mechanism 5 to fold. The linkage mechanism 5 drives the second moving plate 4 to move closer to the first moving plate 3 along the first direction, so that the first end of the rollable screen 2 gradually retracts into the housing 10. When the rollable screen 2 switches from a folded state to an unfolded state, the first moving plate 3 moves in the opposite direction along the second direction, driving the linkage mechanism 5 to unfold. The linkage mechanism 5 drives the second moving plate 4 to move away from the first moving plate 3 along the first direction, so that the first end of the rollable screen 2 moves away from the housing 10. In this embodiment, when the rollable screen 2 switches from an unfolded state to a retracted state, the first moving plate 3 moves forward along the second direction (e.g., ...). Figure 1 The first moving plate 3 (as shown) moves horizontally to the left, causing the linkage mechanism 5 to fold, further causing the second moving plate 4 to move horizontally to the right and closer to the first moving plate 3. When the rollable screen 2 changes from a retracted state to an unfolded state, the first moving plate 3 moves in the opposite direction along the second direction (e.g., ...). Figure 1 As shown, the first moving plate 3 moves horizontally to the right, driving the linkage mechanism 5 to unfold, which in turn drives the second moving plate 4 to move horizontally to the left and away from the first moving plate 3. In this way, the rollable screen 2 switches between a folded state and an unfolded state, realizing the function of mutual cooperation between the screen and the whole machine in the rollable state, achieving the purpose of screen scaling function in the full state, and reducing the overall appearance of the machine.

[0072] Please continue to refer to this. Figure 1 In some embodiments, the rollable screen structure 11 further includes a driving component 6 connected to the first movable plate 3, used to drive the first movable plate 3 to move along a second direction. In this embodiment, the driving component 6 is connected to the first movable plate 3. When the driving component 6 rotates clockwise, it drives the first movable plate 3 to move horizontally to the left. When the driving component 6 rotates counterclockwise, it drives the first movable plate 3 to move horizontally to the right. This configuration ensures good cooperation between the driving component 6 and the first movable plate 3.

[0073] In some embodiments, the drive assembly 6 includes a motor 7, a first transmission member 8 connected to the motor 7, and a second transmission member 9 connected to the first transmission member 8. The second transmission member 9 is connected to the first movable plate 3. When the motor 7 rotates clockwise, it drives the first transmission member 8 to rotate clockwise. The first transmission member 8 drives the second transmission member 9 to move away from the motor 7 along a second direction (i.e., to the left). The second transmission member 9 drives the first movable plate 3 to move forward along the second direction. When the motor 7 rotates counterclockwise, it drives the first transmission member 8 to rotate counterclockwise. The first transmission member 8 drives the second transmission member 9 to move closer to the motor 7 along the second direction (i.e., to the right). The second transmission member 9 drives the first movable plate 3 to move in the opposite direction along the second direction. In this embodiment, the drive assembly 6 includes a motor 7, a first transmission member 8, and a second transmission member 9. The first transmission member 8 is connected between the motor 7 and the second transmission member 9. The second transmission member 9 is fixed to the first movable plate 3. The motor 7 drives the first transmission member 8, which in turn drives the second transmission member 9 to rotate. Furthermore, since the second transmission member 9 is connected to the first moving plate, its rotation will push the first moving plate 3 to move horizontally. Specifically, when the rollable screen 2 changes from an unfolded state to a retracted state, the motor 7 rotates clockwise, driving the second transmission member 9 to rotate clockwise, thereby moving the first moving plate 3 horizontally to the left. When the rollable screen 2 changes from a retracted state to an unfolded state, the motor 7 rotates counterclockwise, driving the second transmission member 9 to rotate counterclockwise, thereby moving the first moving plate 3 horizontally to the right. Thus, the motor 7 and the two transmission members control the first moving plate 3 to move horizontally to the left or right, allowing the motor 7, the first transmission member 8, and the second transmission member 9 to rotate in sequence, thereby pushing the first moving plate 3 to move horizontally. This design is simple and provides good transmission performance. In some embodiments, the second transmission member 9 is fixed to the first moving plate 3 by welding.

[0074] In some embodiments, the first transmission member 8 is a screw. The second transmission member 9 is a nut adapted to the screw. The screw extends along a second direction. In this embodiment, the first transmission member 8 is a cylindrical screw. The second transmission member 9 can be a nut. The motor 7 drives the screw to rotate, thereby transmitting power to the nut, causing the nut to rotate and further pushing the first moving plate 3 to move horizontally. Furthermore, the screw extends along the second direction, meaning that the extension direction of the screw and the extension direction of the first moving plate 3 are on the same straight line. Thus, the driving force of the motor 7 is transmitted to the nut via the screw, and further to the first moving plate 3, reducing losses during the transmission of driving force and improving the effect of pushing the first moving plate 3.

[0075] In some embodiments, the first transmission member 8 is a screw. The second transmission member 9 is a gear adapted to the screw, and the screw extends along a second direction. In this embodiment, the first transmission member 8 is still a cylindrical screw, while the second transmission member 9 can be a gear. A gear is a mechanical element with continuously meshing gears on its rim to transmit motion and power. The motor 7 drives the screw to rotate, thereby driving the gear to rotate. By setting the gear to rotate, the power transmission is improved. Compared with the nut mentioned above, the gear is better able to meet the power requirements for pushing the first moving plate 3, effectively improving the stability of the roll-up screen 2 during contraction or expansion.

[0076] In some embodiments, the first transmission member 8 is a gear. The second transmission member 9 is a rack adapted to the gear, and the rack extends along a second direction. In this embodiment, the first transmission member 8 is a gear, and the second transmission member 9 is a rack. The motor 7 drives the gear to rotate, thereby transmitting power to the rack, causing the rack to rotate and further pushing the first moving plate 3 to move horizontally. Similarly, the extension direction of the rack is the same as the extension direction of the first moving plate 3. In this way, the driving force of the motor 7 is transmitted to the rack through the gear, and further to the first moving plate 3, reducing losses during the transmission of driving force and improving the effect of pushing the first moving plate 3.

[0077] In some embodiments, the linkage mechanism 5 includes a first linkage assembly 12 and a second linkage assembly 13. The first linkage assembly 12 is movably connected to the first end of the first movable plate 3 (e.g., ...). Figure 1 The left end of the first moving plate 3) and the first end of the second moving plate 4 (as shown in the image) Figure 1 The left end of the second movable plate 4). The second linkage assembly 13 is movably connected to the second end of the first movable plate 3 (e.g., the left end of the second movable plate 4). Figure 1 The right end of the first moving plate 3) and the second end of the second moving plate 4 (as shown in the image) Figure 1 The right end of the second moving plate 4). The first moving plate 3 moves in the positive direction along the second direction ( Figure 1 (As shown in the diagram, moving to the left) causes the first link assembly 12 and the second link assembly 13 to fold, thereby causing the second moving plate 4 to move closer to the first moving plate 3 along the first direction. The first moving plate 3 moves in the opposite direction along the second direction ( Figure 1 (As shown in the diagram, moving to the right) drives the first linkage assembly 12 and the second linkage assembly 13 to unfold, thereby causing the second moving plate 4 to move away from the first moving plate 3 along the first direction. In this embodiment, the folding or unfolding of the rollable screen 2 is achieved by setting two sets of linkage assemblies. Specifically, the first linkage assembly 12 and the second linkage assembly 13 are respectively connected relative to the first moving plate 3 and the second moving plate 4. When the rollable screen 2 changes from the unfolded state to the retracted state, the drive assembly 6 rotates clockwise to push the first moving plate 3 to move forward along the second direction (e.g., to the right). Figure 1The first moving plate 3 moves horizontally to the left, thereby causing the first connecting rod assembly 12 and the second connecting rod assembly 13 to fold, further causing the second moving plate 4 to move vertically closer to the first moving plate 3, thus retracting the rollable screen 2 into the housing 10. When the rollable screen 2 changes from the retracted state to the unfolded state, the drive assembly 6 rotates counterclockwise to push the first moving plate 3 to move in the opposite direction (e.g., ...). Figure 1 The first moving plate 3 moves horizontally to the right, thereby causing the first link assembly 12 and the second link assembly 13 to change from a folded state to an extended state, and further causing the second moving plate 4 to move vertically away from the first moving plate 3, so that the rollable screen 2 can be extended out of the housing 10.

[0078] Figure 5 As shown Figure 1 The diagram shows the structure of the first link assembly 12 and the second link assembly 13 of the linkage mechanism 5 during folding or extending. Figure 5 As shown, in some embodiments, the first link assembly 12 includes a first link 14 and a second link 15. The first end of the first link 14 is hinged to a first movable plate 3. The first end of the second link 15 is hinged to a second movable plate 4. The second end of the second link 15 is hinged to the second end of the first link 14. The first movable plate 3 moves in the positive direction along a second direction, causing the first link 14 to rotate clockwise. The first link 14 causes the second link 15 to rotate counterclockwise, causing the first link assembly 12 to fold. The first movable plate 3 moves in the opposite direction along the second direction. The first movable plate 3 causes the first link 14 to rotate counterclockwise. The first link 14 causes the second link 15 to rotate clockwise, causing the first link assembly 12 to unfold. In this embodiment, the folding of the first link assembly 12 is achieved by hinged two links. Specifically, the first end of the first link 14 (e.g., ...) Figure 1 The bottom end of the first connecting rod 14 is connected to the left end of the first moving plate 3. The first end of the second connecting rod 15 (as shown in the image) is connected to the left end of the first moving plate 3. Figure 1 The top end of the second link 15 is connected to the second movable plate 4. The second end of the first link 14 (as shown in the image) is connected to the second movable plate 4. Figure 1 The top end of the first link 14) and the second end of the second link 15 (as shown in the image) Figure 1 The bottom end of the second link 15 is hinged. When the rollable screen 2 changes from the unfolded state to the retracted state, the drive assembly 6 rotates clockwise to push the first moving plate 3 to move horizontally to the left, further driving the first link 14 to rotate clockwise and the second link 15 to rotate counterclockwise, thereby folding the first link assembly 12. When the rollable screen 2 changes from the retracted state to the unfolded state, the drive assembly 6 rotates counterclockwise to push the first moving plate 3 to move horizontally to the right, further driving the first link 14 to rotate counterclockwise and the second link 15 to rotate clockwise, thereby extending the first link assembly 12.

[0079] In some embodiments, the first movable plate 3 is provided with a first tooth 16. The first linkage assembly 12 further includes a first gear 17 adapted to the first tooth 16. The first gear 17 is connected to the first end of the first link 14 and is connected to the first tooth 16. In this embodiment, the first gear 17 is connected to the bottom end of the first link 14, and the first gear 17 abuts against the left end of the first movable plate 3. When the rollable screen 2 changes from an unfolded state to a retracted state, the drive assembly 6 rotates clockwise to push the first movable plate 3 to move horizontally to the left. Further, the first movable plate 3 drives the first gear 17 to rotate, thereby folding the first linkage assembly 12.

[0080] In some embodiments, the second movable plate 4 is provided with a second tooth 18. The first linkage assembly 12 further includes a second gear 19 adapted to the second tooth 18. The second gear 19 is connected to the first end of the second linkage 15 and is connected to the second gear 19. In this embodiment, the second gear 19 is connected to the top end of the second linkage 15, and the second gear 19 abuts against the left end of the second movable plate 4. When the rollable screen 2 changes from an unfolded state to a retracted state, the drive assembly 6 rotates clockwise to push the first movable plate 3 to move horizontally to the left. Further, the first movable plate 3 drives the first gear 17 to rotate, causing the first linkage assembly 12 to fold. Further, the first linkage assembly 12 transmits power to the second gear 19, causing the second gear 19 to rotate, thereby pushing the second movable plate 4 to move horizontally to the right and closer to the first movable plate 3. When the rollable screen 2 changes from a retracted state to an unfolded state, the drive assembly 6 rotates counterclockwise to push the first movable plate 3 to move horizontally to the right. Further, the first movable plate 3 drives the first gear 17 to rotate, thereby extending the first linkage assembly 12. Furthermore, the first linkage assembly 12 transmits power to the second gear 19, causing the second gear 19 to rotate, thereby pushing the second moving plate 4 to move horizontally to the left and away from the first moving plate 3.

[0081] In some embodiments, the first link assembly 12 further includes a first hinge 20 connected between the first link 14 and the second link 15. By providing the first hinge 20 between the first link 14 and the second link 15, the folding or extending functions of the first link 14 and the second link 15 in cooperation with each other can be realized.

[0082] In some embodiments, the second link assembly 13 includes a third link 21 and a fourth link 22. The first end of the third link 21 is hinged to a first movable plate 3. The first end of the fourth link 22 is hinged to a second movable plate 4. The second end of the fourth link 22 is hinged to the second end of the third link 21. The first movable plate 3 moves forward in a second direction, causing the third link 21 to rotate counterclockwise. The third link 21 causes the fourth link 22 to rotate clockwise, causing the second link assembly 13 to fold. The first movable plate 3 moves in the opposite direction in the second direction. The first movable plate 3 causes the third link 21 to rotate clockwise. The third link 21 causes the fourth link 22 to rotate counterclockwise, causing the second link assembly 13 to unfold. In this embodiment, the second link assembly 13 is folded by hinged connections of two links. Specifically, the first end of the third link 21 (e.g., ...) Figure 1 The bottom end of the third link 21 is connected to the right end of the first moving plate 3. The first end of the fourth link 22 (as shown in the image) is connected to the right end of the first moving plate 3. Figure 1 The top end of the fourth link 22 is connected to the second movable plate 4. The second end of the third link 21 (as shown in the image) is connected to the second movable plate 4. Figure 1 The top of the third link 21) and the second end of the fourth link 22 (as shown in the image) Figure 1 The bottom end of the fourth link 22 is hinged. When the rollable screen 2 changes from the unfolded state to the retracted state, the drive assembly 6 rotates clockwise to push the first moving plate 3 to move horizontally to the left, further driving the third link 21 to rotate counterclockwise and the fourth link 22 to rotate clockwise, thereby causing the second link assembly 13 to be in a folded state. When the rollable screen 2 changes from the retracted state to the unfolded state, the drive assembly 6 rotates counterclockwise to push the first moving plate 3 to move horizontally to the right, further driving the third link 21 to rotate clockwise and the fourth link 22 to rotate counterclockwise, thereby causing the second link assembly 13 to be in an extended state.

[0083] In some embodiments, the first movable plate 3 is provided with a third tooth 23. The second linkage assembly 13 further includes a third gear 24 adapted to the third tooth 23. The third gear 24 is connected to the first end of the third link 21 and is connected to the third tooth 23. In this embodiment, the third gear 24 is connected to the bottom end of the third link 21, and the third gear 24 abuts against the right end of the first movable plate 3. When the rollable screen 2 changes from an unfolded state to a retracted state, the drive assembly 6 rotates clockwise to push the first movable plate 3 to move horizontally to the left. Further, the first movable plate 3 drives the third gear 24 to rotate, thereby folding the second linkage assembly 13.

[0084] In some embodiments, the second movable plate 4 is provided with a fourth tooth 25. The second linkage assembly 13 further includes a fourth gear 26 adapted to the fourth tooth 25. The fourth gear 26 is connected to the first end of the fourth link 22 and connected to the fourth tooth 25. In this embodiment, the fourth gear 26 is connected to the top end of the fourth link 22, and the fourth gear 26 abuts against the right end of the second movable plate 4. When the rollable screen 2 changes from an unfolded state to a retracted state, the drive assembly 6 rotates clockwise to push the first movable plate 3 to move horizontally to the left. Further, the first movable plate 3 drives the third gear 24 to rotate, causing the second linkage assembly 13 to fold. Further, the second linkage assembly 13 transmits power to the fourth gear 26, causing the fourth gear 26 to rotate, thereby pushing the second movable plate 4 to move horizontally to the right and closer to the first movable plate 3. When the rollable screen 2 changes from a retracted state to an unfolded state, the drive assembly 6 rotates counterclockwise to push the first movable plate 3 to move horizontally to the right. Further, the first movable plate 3 drives the third gear 24 to rotate, thereby extending the second linkage assembly 13. Furthermore, the second linkage assembly 13 transmits power to the fourth gear 26, causing the fourth gear 26 to rotate, thereby pushing the second moving plate 4 to move horizontally to the left and away from the first moving plate 3.

[0085] In some embodiments, the second link assembly 13 further includes a second hinge 27 connected between the third link 21 and the fourth link 22. By providing the second hinge 27 between the third link 21 and the fourth link 22, the folding or extending functions of the third link 21 and the fourth link 22 can be achieved.

[0086] In the example shown in the figure, the left side of the first movable plate 3, near the end of the second movable plate 4, is provided with a first tooth 16, and the right side of the first movable plate 3, away from the end of the second movable plate 4, is provided with a third tooth 23. The left side of the second movable plate 4, away from the end of the first movable plate 3, is provided with a second tooth 18, and the right side of the second movable plate 4, near the end of the first movable plate 3, is provided with a fourth tooth 25.

[0087] With this configuration, when the first moving plate 3 moves to the left, it drives the first gear 17 to rotate clockwise and the third gear 24 to rotate counterclockwise, thereby causing the first link assembly 12 and the second link assembly 13 to fold. Further, it drives the second gear 19 to rotate counterclockwise and the fourth gear 26 to rotate clockwise, causing the second moving plate 4 to move closer to the first moving plate 3, thereby causing the rollable screen 2 to fold. When the first moving plate 3 moves to the right, it drives the first gear 17 to rotate counterclockwise and the third gear 24 to rotate clockwise, thereby causing the first link assembly 12 and the second link assembly 13 to unfold. Further, it drives the second gear 19 to rotate clockwise and the fourth gear 26 to rotate counterclockwise, causing the second moving plate 4 to move away from the first moving plate 3, thereby causing the rollable screen 2 to unfold.

[0088] In another example (not shown), the left side of the first moving plate, away from the second moving plate, has a first tooth, and the right side of the first moving plate, near the second moving plate, has a third tooth. The left side of the second moving plate, near the first moving plate, has a second tooth, and the right side of the second moving plate, away from the first moving plate, has a fourth tooth. That is, when the first moving plate moves, the rotation direction of each gear is opposite to the rotation direction of each gear in the illustrated embodiment above.

[0089] With this configuration, when the first moving plate moves to the left, it drives the first gear to rotate counterclockwise and the third gear to rotate clockwise, thereby unfolding the first and second linkage assemblies. Further, it drives the second gear to rotate clockwise and the fourth gear to rotate counterclockwise, causing the second moving plate to move away from the first moving plate, thus unfolding the rollable screen. When the first moving plate moves to the right, it drives the first gear to rotate clockwise and the third gear to rotate counterclockwise, thereby folding the first and second linkage assemblies. Further, it drives the second gear to rotate counterclockwise and the fourth gear to rotate clockwise, causing the second moving plate to move closer to the first moving plate, thus folding the rollable screen.

[0090] The following example uses the illustrated embodiment, where the first transmission component 8 is a screw and the second transmission component 9 is a gear. When the rollable screen 2 changes from an unfolded state to a retracted state, the motor 7 rotates clockwise to drive the screw to rotate clockwise, thereby causing the gear to rotate clockwise, which in turn pushes the first moving plate 3 to move horizontally to the left. This further causes the first connecting rod assembly 12 and the second connecting rod assembly 13 to fold, and further causes the second moving plate 4 to move vertically closer to the first moving plate 3, thus retracting the rollable screen 2 into the housing 10. When the rollable screen 2 changes from a retracted state to an unfolded state, the motor 7 rotates counterclockwise to drive the screw to rotate counterclockwise, thereby causing the gear to rotate counterclockwise, which in turn pushes the first moving plate 3 to move horizontally to the right. This further causes the first connecting rod assembly 12 and the second connecting rod assembly 13 to extend, and further pushes the second moving plate 4 to move vertically away from the first moving plate 3, thus extending the rollable screen 2 out of the housing 10.

[0091] The above description is merely a preferred embodiment of this disclosure and is not intended to limit this disclosure in any way. Although this disclosure has been disclosed above with reference to a preferred embodiment, it is not intended to limit this disclosure. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the technical solution of this disclosure. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this disclosure without departing from the content of the technical solution of this disclosure shall still fall within the scope of the technical solution of this disclosure.

Claims

1. A folding mechanism for a roll-up mobile phone, characterized in that, include: A first movable plate used to support the object to be rolled up; The second movable plate is spaced apart from the first movable plate along the first direction. The second movable plate is connected to the first end of the object to be rolled and is supported below the object to be rolled. A drive assembly, connected to the first movable plate, is used to drive the first movable plate to move along a second direction; the drive assembly includes a motor, a first transmission component connected to the motor, and a second transmission component connected to the first transmission component, the second transmission component being connected to the first movable plate; and A linkage mechanism is movably connected between the first movable plate and the second movable plate; The first movable plate moves along the second direction, causing the linkage mechanism to fold or unfold. The linkage mechanism causes the second movable plate to move closer to or away from the first movable plate along the first direction, so that the object to be rolled can switch between a folded state and an unfolded state. The second direction is perpendicular to the first direction. The first linkage assembly is movably connected to the first end of the first movable plate and the first end of the second movable plate; The second linkage assembly is movably connected to the second end of the first movable plate and the second end of the second movable plate; The motor rotates clockwise, causing the first transmission component to rotate clockwise. The first transmission component causes the second transmission component to move away from the motor along the second direction. The second transmission component causes the first moving plate to move forward along the second direction. The first moving plate moves forward along the second direction, causing the first connecting rod assembly and the second connecting rod assembly to fold, so as to cause the second moving plate to move closer to the first moving plate along the first direction. The motor rotates counterclockwise, causing the first transmission component to rotate counterclockwise. The first transmission component causes the second transmission component to move closer to the motor along the second direction. The second transmission component causes the first moving plate to move in the opposite direction along the second direction. The first moving plate moves in the opposite direction along the second direction, causing the first connecting rod assembly and the second connecting rod assembly to unfold, so as to cause the second moving plate to move away from the first moving plate along the first direction.

2. The folding mechanism according to claim 1, characterized in that, The first transmission component is a screw, and the second transmission component is a nut adapted to the screw, wherein the screw extends along the second direction; or The first transmission component is a screw, and the second transmission component is a gear adapted to the screw, wherein the screw extends along the second direction; or The first transmission component is a gear, and the second transmission component is a rack adapted to the gear, the rack extending along the second direction.

3. The folding mechanism according to claim 1, characterized in that, The first link assembly includes: The first link, the first end of the first link being hinged to the first movable plate; The second link has its first end hinged to the second movable plate and its second end hinged to the second end of the first link. The first movable plate moves forward along the second direction, causing the first connecting rod to rotate clockwise, and the first connecting rod causes the second connecting rod to rotate counterclockwise so that the first connecting rod assembly folds; The first movable plate moves in the opposite direction along the second direction, and the first movable plate drives the first connecting rod to rotate counterclockwise. The first connecting rod drives the second connecting rod to rotate clockwise so that the first connecting rod assembly unfolds.

4. The folding mechanism according to claim 3, characterized in that: The first movable plate is provided with a first tooth, and the first connecting rod assembly further includes a first gear adapted to the first tooth, the first gear being connected to a first end of the first connecting rod and connected to the first tooth; and / or The second movable plate is provided with a second tooth, and the first connecting rod assembly further includes a second gear adapted to the second tooth, the second gear being connected to the first end of the second connecting rod and connected to the second tooth; and / or The first link assembly further includes a first hinge connecting the first link and the second link.

5. The folding mechanism according to claim 1, characterized in that, The second link assembly includes: The third link, the first end of which is hinged to the first movable plate; The fourth link, the first end of which is hinged to the second movable plate, and the second end of which is hinged to the second end of the third link; The first movable plate moves forward along the second direction, causing the third link to rotate counterclockwise, and the third link causes the fourth link to rotate clockwise to fold the second link assembly; The first moving plate moves in the opposite direction along the second direction, and the first moving plate drives the third link to rotate clockwise, and the third link drives the fourth link to rotate counterclockwise so that the second link assembly is deployed.

6. The folding mechanism according to claim 5, characterized in that: The first movable plate is provided with a third tooth, and the second connecting rod assembly further includes a third gear adapted to the third tooth, the third gear being connected to the first end of the third connecting rod and connected to the third tooth; and / or The second movable plate is provided with a fourth tooth, and the second linkage assembly further includes a fourth gear adapted to the fourth tooth, the fourth gear being connected to the first end of the fourth linkage and connected to the fourth tooth; and / or The second link assembly also includes a second hinge connected between the third link and the fourth link.

7. A rollable screen structure for a sliding mobile phone, characterized in that, include: A rollable screen and a folding mechanism as described in any one of claims 1 to 6; The first movable plate is supported below the rollable screen; The second movable plate is connected to the first end of the rollable screen and supported below the rollable screen; and The first moving plate moves along the second direction, causing the linkage mechanism to fold or unfold. The linkage mechanism causes the second moving plate to move closer to or away from the first moving plate along the first direction, so that the rollable screen switches between the folded state and the unfolded state.

8. The rollable screen structure according to claim 7, characterized in that, It also includes a rotating shaft, with the second end of the rollable screen wound around the rotating shaft and connected to the rotating shaft; When the rollable screen switches from an unfolded state to a folded state, the pivot rotates so that the second end of the rollable screen gradually wraps around the pivot. When the rollable screen switches from a folded state to an unfolded state, the pivot rotates so that the second end of the rollable screen gradually wraps around the pivot.

9. The rollable screen structure according to claim 8, characterized in that, The pivot is located on the side of the folding mechanism away from the rollable screen; or The rotating shaft is spaced apart from the folding mechanism along the first direction.

10. An electronic device, characterized in that, The electronic device is a scrollable phone, and the electronic device includes: case; The rollable screen structure as described in any one of claims 7-9 is disposed within the housing; When the rollable screen switches from the unfolded state to the folded state, the first moving plate moves forward along the second direction, driving the linkage mechanism to fold. The linkage mechanism drives the second moving plate to move closer to the first moving plate along the first direction, so that the first end of the rollable screen retracts into the housing. When the rollable screen switches from the folded state to the unfolded state, the first moving plate moves in the opposite direction along the second direction, causing the linkage mechanism to unfold. The linkage mechanism then causes the second moving plate to move away from the first moving plate along the first direction, so that the first end of the rollable screen gradually moves away from the housing.

Images