Rotating shaft mechanism and foldable display device

Abstract

The invention relates to the technical field of display, in particular to a rotating shaft mechanism and a foldable display device. The folding display device aims at solving the problem that an existing folding display device can be effectively folded and unfolded only through cooperative operation of two hands. In order to achieve the purpose, according to the rotating shaft mechanism, when the sliding assembly is driven by the driving assembly to move between the first position and the second position, the first guide structure on the sliding assembly is matched with the second guide structure on the rotating assembly, so that the rotating assembly can rotate relative to the sliding assembly. By means of the arrangement mode, the rotating assembly and the sliding assembly can be flattened when the sliding assembly is located at the first position, the rotating assembly and the sliding assembly can be folded when the sliding assembly is located at the second position, and therefore a user can fold and unfold the display device only through one-hand operation; the folding display device solves the problem that folding and unfolding of the folding display device can be effectively completed only through cooperative operation of two hands.

Description

Technical Field

[0001] The present invention relates to the field of display technology, and in particular to a hinge mechanism and a foldable display device. Background Art

[0002] Foldable display devices typically fold and unfold using a hinge mechanism. Currently, most foldable display devices require manual actuation of the hinge mechanism to fold and unfold. However, this design often makes it difficult to effectively fold and unfold the display device with one hand, requiring the coordinated operation of both hands to successfully complete the process.

[0003] Accordingly, this field requires a new technical solution to solve the above problems. Summary of the Invention

[0004] In order to solve at least one of the above problems in the prior art, namely, to solve the technical problem that the existing foldable display device requires two hands to operate in coordination to effectively complete folding and unfolding, the present application provides a hinge mechanism, which includes:

[0005] Drive components;

[0006] a sliding assembly, the sliding assembly being arranged at the output end of the driving assembly and being arranged to be movable between a first position and a second position under the drive of the driving assembly; the sliding assembly being provided with a first guide structure;

[0007] A rotating assembly is provided with a second guide structure, and the second guide structure cooperates with the first guide structure to enable the rotating assembly to rotate relative to the sliding assembly, so that when the sliding assembly is in the first position, the rotating assembly and the sliding assembly are arranged flatly, and when the sliding assembly is in the second position, the rotating assembly and the sliding assembly are arranged folded.

[0008] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the rotating component is located on one side of the sliding component along its length direction, and the second guide structure thereon can cooperate with the first guide structure arranged on one side of the length direction of the sliding component; the length direction of the sliding component is parallel to the line connecting the first position and the second position.

[0009] In a preferred technical solution of the above-mentioned rotating shaft mechanism, the driving assembly and the rotating assembly are both arranged on the same side of the sliding assembly along its length direction, and the sliding assembly is rotatably connected to the output end of the driving assembly.

[0010] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the sliding component is respectively provided with the rotating component on both sides along its length direction, and the second guide structure on the rotating component can cooperate with the first guide structure provided on both sides of the length direction of the sliding component; the length direction of the sliding component is parallel to the line connecting the first position and the second position.

[0011] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the rotating shaft mechanism further includes:

[0012] A connecting rod assembly, one end of which is arranged at the output end of the driving assembly, and the other end is rotatably arranged on the sliding assembly.

[0013] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the connecting rod assembly includes:

[0014] a connecting rod, one end of which is arranged at an output end of the driving assembly;

[0015] A connecting seat is arranged at the other end of the connecting rod, and the connecting seat is rotatably arranged on the sliding component.

[0016] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the sliding assembly includes:

[0017] a sliding seat, the sliding seat being arranged at an output end of the driving assembly;

[0018] a sliding rod, the sliding rod being disposed on one or both sides of the sliding seat along its width direction, and the sliding rod being provided with the first guide structure on one or both sides along its length direction, each of the first guide structures cooperating with the second guide structure on one of the rotating components; the width direction of the sliding seat being parallel to a line connecting the first position and the second position, and the length direction of the sliding rod being perpendicular to a line connecting the first position and the second position;

[0019] The connecting shaft is sleeved with the sliding seat so that the sliding seat can move between the first position and the second position along the axial direction of the connecting shaft.

[0020] In the preferred technical solution of the above-mentioned rotating shaft mechanism, the sliding assembly further includes:

[0021] a first connector, which is provided on one or both sides of the sliding rod along its length and is provided with a hole for inserting the connecting shaft, and is provided with the second guide structure; or

[0022] The rotating assembly comprises:

[0023] Rotate the body;

[0024] A second connecting body is provided on the rotating body, wherein the second connecting body is provided with a hole for inserting the connecting shaft, and the second guiding structure is provided on the second connecting body.

[0025] In a preferred technical solution of the above-mentioned rotating shaft mechanism, the first guide structure is an arc-shaped guide groove, and the second guide structure is a guide protrusion, and the guide protrusion can slide in and along the arc-shaped guide groove; or

[0026] The first guide structure is an arc-shaped guide hole, and the second guide structure is a guide protrusion, and the guide protrusion can slide in and along the arc-shaped guide hole; or

[0027] The first guide structure is a guide protrusion, the second guide structure is an arc-shaped guide groove, and the guide protrusion can slide in and along the arc-shaped guide groove; or

[0028] The first guide structure is a guide protrusion, and the second guide structure is an arc-shaped guide hole. The guide protrusion can slide in and along the arc-shaped guide hole.

[0029] The present application also provides a foldable display device, which includes a first housing, a second housing, a foldable screen, and the hinge mechanism described in the above preferred technical solution;

[0030] The hinge mechanism is arranged between the first shell and the second shell, and the folding screen is arranged on the first shell and the second shell.

[0031] Those skilled in the art will appreciate that when the hinge mechanism of the present invention drives the sliding assembly between the first and second positions via the drive assembly, the first guide structure on the sliding assembly cooperates with the second guide structure on the rotating assembly, enabling the rotating assembly to rotate relative to the sliding assembly. This arrangement allows the rotating assembly and the sliding assembly to be arranged flat when the sliding assembly is in the first position, and to be folded together when the sliding assembly is in the second position. This facilitates the folding and unfolding of the display device by a user with a single hand, resolving the problem of requiring two hands to effectively fold and unfold a foldable display device.

[0032] Furthermore, by arranging the rotating assembly on one side of the sliding assembly along its length direction, one housing of the display device can rotate relative to the other housing under the action of the hinge mechanism, thereby realizing folding and unfolding of the display device.

[0033] Furthermore, by arranging the rotating components on both sides of the sliding component along its length direction, the two shells of the display device can rotate relative to each other, thereby realizing the folding and unfolding of the display device.

[0034] Furthermore, the driving assembly and the sliding assembly are connected via a connecting rod assembly, allowing power from the driving assembly to be transmitted to the sliding assembly via the connecting rod assembly, thereby driving the sliding assembly to move. Furthermore, by rotatably attaching the connecting rod assembly to the sliding assembly, the flexibility of the rotating mechanism is increased, allowing the pivot mechanism to adapt to different folding or unfolding requirements, thereby improving the adaptability of the pivot mechanism.

[0035] Furthermore, by arranging the sliding seat sleeve on the connecting shaft, it is possible to ensure that the sliding seat moves along the axial direction of the connecting shaft, thereby improving the stability and guidance of the rotating shaft mechanism.

[0036] Furthermore, by inserting the connecting shaft into the second connecting body on the rotating assembly, the connection stability between the rotating assembly and the sliding assembly can be improved.

[0037] Furthermore, the first guide structure is an arc-shaped guide groove, the second guide structure is a guide protrusion, or the first guide structure is an arc-shaped guide hole, the second guide structure is a guide protrusion, or the first guide structure is a guide protrusion, the second guide structure is an arc-shaped guide groove, or the first guide structure is a guide protrusion, and the second guide structure is an arc-shaped guide hole. When the sliding assembly is driven by the driving assembly to move between the first position and the second position, the first guide structure on the sliding assembly cooperates with the second guide structure on the rotating assembly so that the rotating assembly can rotate relative to the sliding assembly, thereby improving the practicality of the rotating shaft mechanism of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

[0039] Figure 1 is an exploded view of the foldable display device of the present invention;

[0040] Figure 2 is a flattened schematic diagram of the foldable display device of the present invention;

[0041] Figure 3 is a schematic diagram of folding the foldable display device of the present invention;

[0042] Figure 4 is a flattened schematic diagram of the foldable device without a housing of the present invention;

[0043] Figure 5 yes Figure 4 A partial enlarged view of

[0044] Figure 6is a schematic diagram of folding a foldable device without a back cover according to the present invention;

[0045] Figure 7 is a schematic diagram of the rotating shaft mechanism of the present invention;

[0046] Figure 8 yes Figure 7 A partial enlarged view of

[0047] Figure 9 It is a flattened schematic diagram of the rotating shaft mechanism of the present invention;

[0048] Figure 10 It is a folding schematic diagram of the rotating shaft mechanism of the present invention;

[0049] Figure 11 is a schematic diagram of a sliding assembly of the present invention;

[0050] Figure 12 is a schematic diagram of a rotating assembly of the present invention;

[0051] Figure 13 Schematic diagram of the connecting rod assembly of the present invention.

[0052] The reference numerals are as follows:

[0053] 1. Rotating shaft mechanism; 11. Driving assembly; 111. Driving motor; 112. Gear; 113. Rack; 1131. Accommodating groove; 12. Sliding assembly; 121. Sliding seat; 1211. Connecting hole; 122. Sliding rod; 123. First connecting body; 1231. Guide protrusion; 124. Connecting shaft; 13. Rotating assembly; 131. Rotating body; 132. Second connecting body; 1321. Guide hole; 1322. Channel; 14. Connecting rod assembly; 141. Connecting rod; 142. Connecting seat; 1421. Hole; 1422. Connecting groove; 143. Guide rail; 144. Sleeve; 2. First shell; 3. Second shell; 41. Front frame; 42. Middle frame; 43. Rear shell; 5. Folding screen. DETAILED DESCRIPTION

[0054] The preferred embodiments of the present application are described below with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application and are not intended to limit the scope of protection of the present application.

[0055] It should be noted that, in the description of this application, terms such as "upper", "lower", "inner", "top", and "bottom" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. This is only for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on this application.

[0056] Furthermore, it should be noted that, in the description of this application, unless otherwise expressly specified or limited, the terms "disposed" and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, direct connections, indirect connections through an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0057] See also Figure 1-3 , the foldable display device of the present application is introduced.

[0058] The foldable display device includes a hinge mechanism 1, a first shell 2, a second shell 3, and a foldable screen 5. The first shell 2 and the second shell 3 are connected by the hinge mechanism 1 to realize the folding and unfolding of the foldable display device. The surface of the first shell 2 used to connect to the foldable screen 5 is the first surface, and the surface of the second shell 3 used to connect to the foldable screen 5 is the second surface. When the first shell 2 and the second shell 3 are unfolded until the first surface and the second surface are flush, the foldable screen 5 is in the unfolded state (such as Figure 2 When the first shell 2 and the second shell 3 are folded to the point where the first and second surfaces are opposite to each other, the folding screen 5 is located between the first and second surfaces (as shown in FIG. Figure 3 As shown, the folding screen 5 is blocked by the first shell 2 and the second shell 3 (not shown).

[0059] The structures of the first housing 2 and the second housing 3 may be identical or different, depending on the display device, as specifically defined herein. For illustration, the first housing 2 and the second housing 3 have identical structures, each comprising a front frame 41, a middle frame 42, and a rear housing 43. The middle frame 42 is disposed between the front frame 41 and the rear housing 43. The middle frames 42 of the first housing 2 and 3 are connected by a hinge mechanism 1, enabling the first housing 2 and the second housing 3 to rotate under the action of the hinge mechanism 1, thereby achieving folding and unfolding of the display device.

[0060] Based on the above-mentioned foldable display device, the hinge mechanism 1 of the present application is introduced.

[0061] like Figure 1-10As shown, in order to solve the technical problem that the existing folding display device requires the coordinated operation of both hands to effectively complete the folding and unfolding of the display device, the hinge mechanism 1 of the present application includes a driving component 11, a sliding component 12 and a rotating component 13. The sliding component 12 is arranged at the output end of the driving component 11, and is configured to be able to move between a first position and a second position under the drive of the driving component 11. A first guide structure is provided on the sliding component 12. A second guide structure is provided on the rotating component 13, and the second guide structure cooperates with the first guide structure to enable the rotating component 13 to rotate relative to the sliding component 12, so that when the sliding component 12 is in the first position, the rotating component 13 and the sliding component 12 are arranged flat, and when the sliding component 12 is in the second position, the rotating component 13 and the sliding component 12 are arranged folded.

[0062] The hinge mechanism 1 of the present application is applied to a foldable display device. When the driving assembly 11 drives the sliding assembly 12 to move between a first position and a second position, the first guide structure on the sliding assembly 12 cooperates with the second guide structure on the rotating assembly 13, allowing the rotating assembly 13 to rotate relative to the sliding assembly 12. Through the above arrangement, when the sliding assembly 12 is in the first position, the rotating assembly 13 and the sliding assembly 12 are arranged flat, and when the sliding assembly 12 is in the second position, the rotating assembly 13 and the sliding assembly 12 are arranged folded, thereby facilitating the user to fold and unfold the display device with only one hand, thus solving the problem that foldable display devices require the coordinated operation of two hands to effectively fold and unfold.

[0063] Further reference below Figure 1-13 , a preferred embodiment of the rotating shaft mechanism 1 of the present application is introduced. Those skilled in the art will understand that the embodiment described below is only used to illustrate the principle of the present application and is not intended to limit the scope of protection of the present application. On the premise that the rotating shaft mechanism 1 includes at least a driving component 11, a sliding component 12 and a rotating component 13, those skilled in the art can adjust the following settings so that the present application can be applied to more specific application scenarios.

[0064] See also Figure 1 、 4 -8, the shaft mechanism 1 includes a driving assembly 11, a sliding assembly 12, a rotating assembly 13 and a connecting rod assembly 14. The driving assembly 11 is arranged in the middle frame 42 of the first housing 2, and the connecting rod assembly 14 is arranged at its output end. The other end of the connecting rod assembly 14 is rotatably arranged on the sliding assembly 12. The sliding assembly 12 is respectively provided with a rotating assembly 13 on both sides along its length direction. The second guide structure on the rotating assembly 13 can cooperate with the first guide structure provided on both sides of the sliding assembly 12 in the length direction, and the length direction of the sliding assembly 12 is parallel to the line connecting the first position and the second position (such as Figure 7AA dashed line is shown). One rotating assembly 13 is connected to the middle frame 42 on the first shell 2, and the other rotating assembly 13 is connected to the other middle frame 42 on the second shell 3, so that the first shell 2 and the second shell 3 can rotate relative to each other, thereby realizing the folding and unfolding of the display device. The sliding assembly 12 is provided with a first guide structure, and the rotating assembly 13 is provided with a second guide structure. The first guide structure and the second guide structure cooperate so that when the sliding assembly 12 moves between the first position and the second position under the drive assembly 11, the rotating assembly 13 can rotate relative to the sliding assembly 12. That is, when the sliding assembly 12 is in the first position, the rotating assembly 13 and the sliding assembly 12 are arranged flat, and when the sliding assembly 12 is in the second position, the rotating assembly 13 and the sliding assembly 12 are arranged folded. This makes it convenient for the user to complete the folding and unfolding of the display device with only one hand, solving the problem that the folding display device requires the coordinated operation of both hands to effectively complete the folding and unfolding.

[0065] In the exemplary embodiment, the connecting rod assembly 14 is not required and can be selected by those skilled in the art according to the desired configuration. In the absence of the connecting rod assembly 14, the output end of the drive assembly 11 is directly connected to the sliding assembly 12, and the sliding assembly 12 can also be moved between the first position and the second position under the drive assembly 11.

[0066] In an exemplary embodiment, the present application does not fix the setting position of the rotating assembly 13, and those skilled in the art can adjust it according to the setting needs. For example, the rotating assembly 13 is located on one side of the sliding assembly 12 along its length direction, and the second guide structure thereon can cooperate with the first guide structure provided on one side of the sliding assembly 12 along its length direction. When the rotating assembly 13 is located on one side of the sliding assembly 12 along its length direction, the driving assembly 11 and the rotating assembly 13 are both provided on the same side of the sliding assembly 12 along its length direction. At this time, the connecting rod assembly 14 needs to be rotatably connected to the sliding assembly 12 so that the first shell 2 connected to the driving assembly 11 can rotate relative to the second shell 3. Alternatively, the driving assembly 11 and the rotating assembly 13 are respectively located on both sides of the sliding assembly 12 along its length direction. At this time, the connecting rod assembly 14 does not need to be rotatably connected to the rotating assembly 13 to enable the second shell 3 to rotate relative to the first shell 2 connected to the driving assembly 11.

[0067] See next Figure 1 、 4-8, the drive assembly 11 includes a drive motor 111, a gear 112 and a rack 113. The drive motor 111 is fixed to the middle frame 42 of the first housing 2 by a motor base, and the gear 112 is arranged at the output end of the drive motor 111, so that the gear 112 can rotate under the drive of the drive motor 111. The rack 113 includes a meshing area and a connecting area. The meshing area is provided with a tooth surface, so that the tooth surface can mesh with the gear 112, thereby driving the rack 113 to move along the line connecting the first position and the second position. The connecting area is provided with a receiving groove 1131 so that a part of the connecting rod assembly 14 can be arranged in the receiving groove 1131, so that the rack 113 drives the connecting rod assembly 14 to move under the action of the drive motor 111.

[0068] In the exemplary embodiment, the present application does not have a fixed configuration for the drive assembly 11, and those skilled in the art can adjust it according to the configuration requirements. For example, the drive assembly 11 can also be an electric telescopic member that drives the sliding assembly 12 to move between the first position and the second position.

[0069] See next Figure 1 、 4 -8 and 13, the connecting rod assembly 14 includes a connecting rod, a connecting seat 142, a guide rail 143, and a sleeve 144. The guide rail 143 is fixed to the middle frame 42 of the first housing 2 at both ends via a fixing seat, and the length direction of the guide rail 143 is parallel to the line connecting the first position and the second position. A connector is provided at one end of the sleeve 144, which is sleeved on the guide rail 143 so that the sleeve 144 can move along the length direction of the guide rail 143. A connecting rod 141 is provided at the other end of the sleeve 144. A connecting seat 142 is provided at the end of the connecting rod 141 away from the sleeve 144. The connecting seat 142 is provided with a connecting groove 1422. A portion of the sliding assembly 12 is disposed in the connecting groove 1422. The connecting seat 142 is connected to the portion of the sliding assembly 12 disposed in the connecting groove 1422 via a connecting shaft 124, so that the connecting seat 142 is rotatably disposed on the sliding assembly 12, thereby facilitating the rotation of the first housing 2 relative to the second housing 3. The middle portion of the sleeve 144 is disposed in the receiving groove 1131 of the rack 113 , so that the rack 113 can drive the sleeve 144 to move during its movement.

[0070] In the exemplary embodiment, the present application does not have a fixed connection method between the sleeve 144 and the rack 113, and those skilled in the art may adjust it according to specific application scenarios. For example, the rack 113 does not have a connection area for connecting with the sleeve 144. Instead, the end of the rack 113 adjacent to the tooth surface is connected to the sleeve 144 by welding, so that the drive assembly 11 drives the rack 113 to move and drives the sleeve 144 to move simultaneously.

[0071] In an exemplary embodiment, the present application does not have a fixed connection method between the sleeve 144 and the guide rail 143, and those skilled in the art can adjust it according to specific circumstances. For example, a guide groove is provided on the guide rail 143, and the guide groove extends along the length direction of the guide rail 143. A slider is provided on the sleeve 144, and the slider cooperates with the guide groove so that the sleeve 144 can move along the length direction of the guide rail 143. In addition, the provision of the guide rail 143 and / or the sleeve 144 is not necessary, and those skilled in the art can select it according to the setting needs. In the case where the sleeve 144 is not provided, a connector is provided on the connecting rod 141 and is sleeved on the guide rail 143. In the case where the sleeve 144 and the guide rail 143 are not provided, the connecting rod 141 is directly connected to the rack 113, which can also enable the driving component 11 to drive the connecting rod 141 to move while allowing the sliding component 12 to move between the first position and the second position.

[0072] See next Figure 1 、 4 -11, the sliding assembly 12 includes a sliding seat 121, a sliding rod 122, a connecting shaft 124 and a first connecting body 123. The sliding rod 122 is arranged on both sides of the sliding seat 121 along its width direction, and the sliding rod 122 is provided with a first connecting body 123 on both sides along its length direction. The first connecting body 123 is provided with a guide protrusion 1231. The number of connecting shafts 124 is 2, and the two ends of the two connecting shafts 124 are respectively fixed to the body of the rotating shaft mechanism 1 through a fixing seat, and the two connecting shafts 124 are arranged in parallel. The two sides of the sliding seat 121 in the width direction (such as Figure 8 A sliding rod 122 is provided on each of the left and right sides (as shown), extending away from the sliding seat 121. A first connector 123 is provided on each side of the sliding rod 122 along its length, symmetrically arranged relative to the sliding rod 122. The first connector 123 is provided with a guide protrusion 1231. The sliding seat 121 is provided with two connecting holes 1211, through which the connecting shaft 124 passes. This allows the sliding seat 121 to move between a first position and a second position along the axial direction of the connecting shaft 124, thereby improving the movement stability of the sliding seat 121. The axial direction is parallel to the line connecting the first and second positions.

[0073] In an exemplary embodiment, the present application does not have fixed requirements for the number of sliding rods 122 and the position of the first connector 123, and those skilled in the art can adjust them according to specific application scenarios. For example, the sliding rod 122 can be set on one side of the sliding seat 121 along its width direction, in which case the first connector 123 is set on one side of the sliding rod 122 along its length direction. Alternatively, when the sliding seat 121 is provided with sliding rods 122 on both sides of its width direction, the first connector 123 is set on one side of the two sliding rods 122 along its length direction, and the two first connectors 123 can be set on the same side of the sliding rod 122 in the length direction, or on both sides of the sliding rod 122 in the length direction.

[0074] In an exemplary embodiment, the present application does not specify the number of connecting shafts 124, and those skilled in the art may adjust the number as needed. For example, the number of connecting shafts 124 may be one. When the number of connecting shafts 124 is one, the sliding seat 121 can still move along the axial direction of the connecting shaft 124. In other preferred embodiments, the number of connecting shafts 124 is not required, and those skilled in the art may select the number as needed.

[0075] See next Figure 4-8 The portion of the sliding seat 121 close to the drive assembly 11 is disposed in the connecting groove 1422 of the connecting seat 142, and a connecting shaft 124 is inserted into this portion of the sliding seat 121. Both ends of the connecting shaft 124 pass through the holes 1421 on the connecting seat 142, respectively, so that the connecting seat 142 can not only rotate around the connecting shaft 124, but also move along the axial direction of the connecting shaft 124. While the connecting seat 142 moves along the connecting shaft 124, it can also drive the sliding seat 121 to move, so that the sliding seat 121 can move along the axial direction of the connecting shaft 124.

[0076] Of course, the present application does not have a fixed connection method for the connecting seat 142 and the sliding seat 121, and those skilled in the art can adjust it as needed. For example, the connecting shaft 124 near the driving assembly 11 is not inserted into the connecting hole 1211 of the sliding seat 121, but is directly inserted into the connecting hole 1211 of the connecting seat 142. In this case, the sliding seat 121 can be set on the connecting seat 142 by a hinge, which can also enable the connecting seat 142 to be rotatably connected to the sliding seat 121, and the connecting seat 142 can drive the sliding seat 121 to move during the movement.

[0077] See next Figure 1 、 4-8 and 12, there are four rotating assemblies 13. Two rotating assemblies 13 are located on the side of the sliding assembly 12 away from the drive assembly 11 and can be connected to the middle frame of the second housing. The other two rotating assemblies 13 are located on the side of the sliding assembly 12 closer to the drive assembly 11 and can be connected to the middle frame of the first housing. Each rotating assembly 13 includes a rotating body 131 and a second connecting body 132 disposed on the rotating body 131. The second connecting body 132 is provided with a channel 1322, into which a portion of the connecting shaft 124 can be inserted, allowing the rotating body 131 to rotate about the connecting shaft 124. The second connecting body 132 is provided with a guide hole 1321 that communicates with the channel 1322. The guide hole 1321 is an arc-shaped structure. The guide protrusion 1231 on the sliding assembly 12 can be inserted into the arc-shaped guide hole 1321. When the sliding assembly 12 moves along the connecting shaft 124, the guide protrusion 1231 can move along the arc-shaped guide hole 1321, thereby causing the rotating body 131 to rotate about the connecting shaft 124. The rotating bodies 131 of the two rotating assemblies 13 near the driving assembly 11 are rotatably connected to the middle frame 42 of the first housing 2. The rotating bodies 131 of the two rotating assemblies 13 far from the driving assembly 11 are rotatably connected to the middle frame 42 of the second housing 3. When the driving assembly 11 drives the sliding assembly 12 between the first position and the second position, the rotating assemblies 13 on both sides of the sliding assembly 12 can rotate relative to each other, thereby causing the first housing 2 and the second housing 3 to rotate relative to each other, thereby achieving the folding and unfolding of the display device.

[0078] It should be noted that when the guide protrusion 1231 moves along the arc-shaped guide hole 1321, it does not interfere with the connecting shaft 124 in the channel 1322. In addition, the first connecting body 123 may also be provided with a channel for inserting the connecting shaft 124. In this case, the connecting shaft 124 is no longer inserted into the second connecting body 132 of the sliding assembly 12.

[0079] In an exemplary embodiment, the present application does not fix the location of the rotating assembly 13, and those skilled in the art can adjust it according to the needs of the setting. For example, the four rotating assemblies 13 can all be set on the side of the sliding assembly 12 close to the driving assembly 11, or can all be set on the side of the sliding assembly 12 away from the driving assembly 11, or one rotating assembly 13 can be set on the side of the sliding assembly 12 close to the driving assembly 11, and three rotating assemblies 13 can be set on the side of the sliding assembly 12 away from the driving assembly 11, or three rotating assemblies 13 can be set on the side of the sliding assembly 12 close to the driving assembly 11, and one rotating assembly 13 can be set on the side of the sliding assembly 12 away from the driving assembly 11. When the four rotating assemblies 13 are all set on the side of the sliding assembly 12 close to the driving assembly 11, the rotating body 131 of each rotating assembly 13 is set on the middle frame 42 of the first shell 2, so that when the driving assembly 11 drives the sliding assembly 12 to move between the first position and the second position, the first shell 2 can rotate relative to the second shell 3, thereby realizing the expansion and folding of the display device. When the four rotating components 13 are all arranged on the side of the sliding component 12 away from the driving component 11, the rotating body 131 of each rotating component 13 is arranged on the middle frame 42 of the second shell 3, so that when the driving component 11 drives the sliding component 12 to move between the first position and the second position, the second shell 3 can rotate relative to the first shell 2, thereby realizing the expansion and folding of the display device.

[0080] In an exemplary embodiment, the present application does not have a fixed number of rotating components 13, and those skilled in the art can choose according to the setting needs. For example, the number of rotating components 13 can be 1, 2, 3 or other numbers. Take the setting number of rotating components 13 as 1 or 2 as an example for explanation. When the setting number of rotating components 13 is 1, the rotating component 13 can be set on the side of the sliding component 12 close to the driving component 11, and can be set on the side of the sliding component 12 away from the driving component 11. When the rotating component 13 is set on the side of the sliding component 12 close to the driving component 11, the rotating body 131 of the rotating component 13 is set on the middle frame 42 of the first shell 2, so that when the driving component 11 drives the sliding component 12 to move between the first position and the second position, the first shell 2 can rotate relative to the second shell 3, thereby realizing the expansion and folding of the display device. When the rotating assembly 13 is disposed on the side of the sliding assembly 12 away from the driving assembly 11, the rotating body 131 of the rotating assembly 13 is disposed on the middle frame 42 of the second housing 3, so that when the driving assembly 11 drives the sliding assembly 12 to move between the first position and the second position, the second housing 3 can rotate relative to the first housing 2, thereby achieving the expansion and folding of the display device. When there are two rotating assemblies 13, both rotating assemblies 13 can be disposed simultaneously on the side of the sliding assembly 12 close to the driving assembly 11, or on the side of the sliding assembly 12 away from the driving assembly 11, or one rotating assembly 13 can be disposed on the side of the sliding assembly 12 close to the driving assembly 11, and the other rotating assembly 13 can be disposed on the side of the sliding assembly 12 away from the driving assembly 11.

[0081] In an exemplary embodiment, the present application does not have a fixed setting form for the second guide structure, and those skilled in the art can adjust it according to the setting needs. For example, the second guide structure is an arc-shaped guide groove, and the guide protrusion 1231 can slide along the arc-shaped guide groove in the arc-shaped guide groove. At this time, the guide groove is not connected to the channel 1322. In addition, the present application does not have a fixed setting form for the first guide structure and the second guide structure, and those skilled in the art can adjust it according to the setting needs. For example, the first guide structure is an arc-shaped guide hole, and the second guide structure is the guide protrusion 1231, and the guide protrusion 1231 can slide along the arc-shaped guide hole in the arc-shaped guide hole. Alternatively, the first guide structure is the guide protrusion 1231, and the second guide structure is a guide groove, and the guide protrusion 1231 can slide along the arc-shaped guide groove in the arc-shaped guide groove.

[0082] Those skilled in the art will appreciate that although some embodiments described herein include certain features included in other embodiments but not other features, combinations of features from different embodiments are intended to be within the scope of this application and to form different embodiments. For example, in the claims of this application, any of the claimed embodiments may be used in any combination.

[0083] Thus far, the technical solutions of the present application have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is readily understood by those skilled in the art that the scope of protection of the present application is obviously not limited to these specific embodiments. Without departing from the principles of the present application, those skilled in the art may make equivalent changes or substitutions to the relevant technical features, and the technical solutions after such changes or substitutions will fall within the scope of protection of the present application.

Claims

1. A rotating shaft mechanism, characterized in that: The rotating shaft mechanism comprises: Drive components; a sliding assembly, the sliding assembly being arranged at the output end of the driving assembly and being arranged to be movable between a first position and a second position under the drive of the driving assembly; the sliding assembly being provided with a first guide structure; A rotating assembly is provided with a second guide structure, and the second guide structure cooperates with the first guide structure to enable the rotating assembly to rotate relative to the sliding assembly, so that when the sliding assembly is in the first position, the rotating assembly and the sliding assembly are arranged flatly, and when the sliding assembly is in the second position, the rotating assembly and the sliding assembly are arranged folded.

2. The rotating shaft mechanism according to claim 1, characterized in that: The rotating component is located on one side of the sliding component along its length direction, and the second guide structure thereon can cooperate with the first guide structure arranged on one side of the sliding component in the length direction; the length direction of the sliding component is parallel to the line connecting the first position and the second position.

3. The rotating shaft mechanism according to claim 2, characterized in that: The driving assembly and the rotating assembly are both arranged on the same side of the sliding assembly along the length direction of the sliding assembly, and the sliding assembly is rotatably connected to the output end of the driving assembly.

4. The rotating shaft mechanism according to claim 1, wherein: The sliding component is respectively provided with the rotating component on both sides along the length direction of the sliding component, and the second guide structure on the rotating component can cooperate with the first guide structure provided on both sides along the length direction of the sliding component; the length direction of the sliding component is parallel to the line connecting the first position and the second position.

5. The rotating shaft mechanism according to claim 3 or 4, characterized in that: The rotating shaft mechanism further includes: A connecting rod assembly, one end of which is arranged at the output end of the driving assembly, and the other end is rotatably arranged on the sliding assembly.

6. The rotating shaft mechanism according to claim 5, characterized in that: The connecting rod assembly comprises: a connecting rod, one end of which is arranged at an output end of the driving assembly; A connecting seat is arranged at the other end of the connecting rod, and the connecting seat is rotatably arranged on the sliding component.

7. The rotating shaft mechanism according to claim 1, wherein: The sliding assembly comprises: a sliding seat, the sliding seat being arranged at an output end of the driving assembly; a sliding rod, the sliding rod being disposed on one or both sides of the sliding seat along its width direction, and the sliding rod being provided with the first guide structure on one or both sides along its length direction, each of the first guide structures cooperating with the second guide structure on one of the rotating components; the width direction of the sliding seat being parallel to a line connecting the first position and the second position, and the length direction of the sliding rod being perpendicular to a line connecting the first position and the second position; The connecting shaft is sleeved with the sliding seat so that the sliding seat can move between the first position and the second position along the axial direction of the connecting shaft.

8. The rotating shaft mechanism according to claim 7, characterized in that: The sliding assembly further comprises: a first connector, which is provided on one or both sides of the sliding rod along its length and is provided with a hole for inserting the connecting shaft, and is provided with the first guide structure; or The rotating assembly comprises: Rotate the body; A second connecting body is provided on the rotating body, wherein the second connecting body is provided with a hole for inserting the connecting shaft, and the second guiding structure is provided on the second connecting body.

9. The rotating shaft mechanism according to claim 1, wherein: The first guide structure is an arc-shaped guide groove, and the second guide structure is a guide protrusion, and the guide protrusion can slide in and along the arc-shaped guide groove; or The first guide structure is an arc-shaped guide hole, and the second guide structure is a guide protrusion, and the guide protrusion can slide in and along the arc-shaped guide hole; or The first guide structure is a guide protrusion, the second guide structure is an arc-shaped guide groove, and the guide protrusion can slide in and along the arc-shaped guide groove; or The first guide structure is a guide protrusion, and the second guide structure is an arc-shaped guide hole. The guide protrusion can slide in and along the arc-shaped guide hole.

10. A foldable display device, characterized in that: The foldable display device comprises a first housing, a second housing, a folding screen, and a hinge mechanism according to any one of claims 1 to 9; The hinge mechanism is arranged between the first shell and the second shell, and the folding screen is arranged on the first shell and the second shell.

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