Rotating shaft structure for infolding flexible screen

Abstract

The utility model relates to the technical field of flexible screen rotating shaft structures, and discloses a rotating shaft structure for an inward folding flexible screen, which comprises a first inward folding module, a second inward folding module, a first screw rod, a second screw rod, a first rotating piece and a second rotating piece, the first screw rod and the second screw rod are driven by external force to rotate, the first rotating piece is assembled with the first screw rod, and the second rotating piece is assembled with the second screw rod. The first screw rod is used for driving the first rotating moving part to axially move and turn over, the second screw rod is used for driving the second rotating moving part to axially move and turn over, the first inward folding module is assembled with the first rotating moving part, and the second inward folding module is assembled with the second rotating moving part; the first inward folding module and the second inward folding module are turned over synchronously to achieve inward folding or unfolding of the flexible screen. Therefore, by adopting the driving mode of the first screw rod and the second screw rod, the driving stability is improved, the structural strength of the rotating shaft structure is also improved, the reliability of the rotating shaft structure is improved, and meanwhile, the use hand feeling of the folding screen mobile phone is also improved.

Description

Technical Field

[0001] This utility model patent relates to the technical field of flexible screen hinge structures, and specifically, to a hinge structure for an inwardly folding flexible screen. Background Art

[0002] A foldable screen mobile phone is a mobile phone with a foldable screen. After the screen is folded, it can be used as a mobile phone just like our current straight-screen mobile phones. When needed, we can open the screen, so that it becomes a tablet computer. Different modes can be used in different scenarios. The folding methods of foldable screen mobile phones are divided into up and down folding and left and right folding. The left and right folding is further divided into inward folding and outward folding.

[0003] For example, a prior patent with authorization announcement number CN215814888U discloses an inner folding shaft of a flexible screen, an inner folding shaft of a flexible screen, comprising a housing (1), characterized in that: a housing (2) is arranged on the outer side of the housing (1), a shaft connecting shell (3) is arranged at the connection between the housing (1) and the housing (2), the shaft connecting shell (3) comprises a cover plate (301) and a fixed outer shell (302), the cover plate (301) is fixedly mounted on the housing The fixed housing (302) is located at the bottom of the cover plate (301), and the outer side of the rotating shaft connecting housing (3) is provided with a rotating mechanism (4) and a rotating mechanism (5), and the interior of the rotating mechanism (4) is provided with a sliding mechanism (6), a synchronization mechanism (7), a flipping mechanism (8) and a torque mechanism (9), and the interior of the rotating mechanism (5) is provided with a sliding mechanism (10), a flipping mechanism (11) and a flip fixing mechanism (12).

[0004] In the prior art, the sliding of a sliding mechanism is used to achieve inward folding and flipping, but the stability is insufficient, and the reliability of flipping and unfolding is insufficient. Utility Model Content

[0005] The purpose of the utility model is to provide a hinge structure for an inward-folding flexible screen, aiming to solve the problem of insufficient reliability of the hinge structure for an inward-folding flexible screen in the prior art.

[0006] The utility model is implemented as follows: it is used for an inward-folding flexible screen shaft structure, including a first inward-folding module group, a second inward-folding module group, a first screw rod, a second screw rod, a first rotational member and a second rotational member, the first screw rod and the second screw rod are driven by an external force to rotate, the first rotational member is assembled with the first screw rod, the second rotational member is assembled with the second screw rod, the first screw rod is used to drive the first rotational member to move axially and flip, the second screw rod is used to drive the second rotational member to move axially and flip, the first inward-folding module group and the first rotational member are assembled, the second inward-folding module group and the second rotational member are assembled, the first inward-folding module group and the second inward-folding module are flipped synchronously to realize the inward folding or unfolding of the flexible screen.

[0007] Furthermore, the first inner folding module includes a first inner folding plate and a first swinging plate, the first inner folding plate is docked with the flexible screen, the outer end of the first swinging plate is movably assembled with the first inner folding plate, and the inner end of the first swinging plate is assembled with the first rotational shifting member; the first rotational shifting member is rotated axially to drive the first swinging plate to swing and flip.

[0008] Furthermore, the first rotational shifting member includes a first rotational shifting shell and a first outer edge seat, the first rotational shifting shell and the first outer edge seat are butt-jointedly arranged, the first rotational shifting shell is sleeved with the first screw rod, the first screw rod is used to drive the first rotational shifting shell to move axially, and the first outer edge seat is embedded in the inner end of the first swinging plate; the first outer edge seat has a first limiting plate, and the first limiting plate is used to limit the swinging angle of the first swinging plate to be greater than 90 degrees.

[0009] Furthermore, the outer surface of the first screw rod has a first rod thread, the first rod thread is arranged in an arc-shaped spiral, the interior of the first rotation shell has a first shell thread, the first shell thread is arranged in an arc-shaped spiral, and the first rod thread and the first shell thread are arranged in a threaded connection.

[0010] Furthermore, the first inner folding plate has a first inner folding groove, the outer end of the first swinging plate is embedded in the first inner folding groove, the first inner folding groove includes two first folding groove surfaces, the two first folding groove surfaces are arranged correspondingly at intervals, and the outer end of the first swinging plate is arranged between the two first folding groove surfaces, and the two first folding groove surfaces are synchronously arranged to be in conflict with the first swinging plate.

[0011] Furthermore, the first inward folding module includes a first locking piece, and the first locking piece is assembled with the first screw rod; the rotating shaft structure for the inward folding flexible screen includes a damping piece, and the first screw rod and the second screw rod respectively pass through the damping piece, and the damping piece has a damping block, and a damping groove is formed between adjacent damping blocks, and the first locking piece has a first locking block, and a first locking groove is formed between adjacent first locking blocks, and the damping block is embedded in the first locking groove, and the first locking block is embedded in the damping groove, and the damping piece is used to apply a damping force to the first inward folding module.

[0012] Furthermore, the rotating shaft structure for the inward-folding flexible screen includes a plurality of damping springs, the first screw rod and the second screw rod are respectively sleeved with the damping springs, one end of the damping spring is fixedly arranged, and the other end of the damping spring is docked with the damping member, the damping spring is used to apply elastic force to the damping member, and the damping member is used to apply damping force to the first locking member.

[0013] Furthermore, the rotating shaft structure for the inward-folding flexible screen includes two driving shafts, which are arranged to rotate under the driving force, and the two driving shafts are respectively arranged to be meshed with the first screw rod and the second screw rod; the two driving shafts synchronously pass through the damping element, and the two driving shafts are respectively sleeved with the damping springs.

[0014] Furthermore, the first locking member includes a first transmission seat, a first fixed spring seat and a first locking plate, the two ends of the first locking plate are respectively connected to the first transmission seat and the first fixed spring seat, the first transmission seat has a first transmission tooth portion, the first transmission tooth portion is meshed with the drive shaft, and the first lock plate is assembled with the first inner folding plate; the rotating shaft structure for the inner folding flexible screen includes a synchronization plate, the synchronization plate is in contact with the first fixed spring seat, the first screw rod synchronously passes through the synchronization plate and the first fixed spring seat, and one end of the damping spring is connected to the synchronization plate.

[0015] Furthermore, the shaft structure for the inward-folding flexible screen includes a rod fixture and two anti-slip parts, the first screw rod and the second screw rod respectively penetrate the rod fixture, and the first screw rod and the second screw rod are respectively arranged to be movable and idle with the rod fixture, the two anti-slip parts are respectively sleeved on the first screw rod and the second screw rod, and the two anti-slip parts are used to prevent the rod fixture from detaching from the first screw rod and the second screw rod.

[0016] Compared with the prior art, the utility model provides a hinge structure for an inward-folding flexible screen. When unfolding or folding, the first screw rod and the second screw rod synchronously receive the driving force and are arranged to rotate, and synchronously drive the first rotational displacement member and the second rotational displacement member to move along the axial direction, so as to synchronously drive the first inward-folding module group and the second inward-folding module group to swing in opposite directions, thereby realizing the inward folding or unfolding of the flexible screen. In this way, the driving method of the first screw rod and the second screw rod is adopted, which increases the driving stability, increases the structural strength of the hinge structure, improves the reliability of the hinge structure, and at the same time, improves the use feel of the folding screen mobile phone. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an exploded schematic diagram of the shaft structure for the inward folding flexible screen provided by the utility model;

[0018] Figure 2 It is a three-dimensional schematic diagram of the inward folding flexible screen rotating shaft structure provided by the utility model in an unfolded state;

[0019] Figure 3 It is a three-dimensional schematic diagram of the internal folding flexible screen rotating shaft structure provided by the utility model in a folded state;

[0020] Figure 4 It is a three-dimensional schematic diagram of the first rotating member for the inward folding flexible screen rotating shaft structure provided by the utility model;

[0021] Figure 5 It is a three-dimensional schematic diagram of the first locking piece for the inward folding flexible screen shaft structure provided by the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] The implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0024] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present utility model, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0025] Reference Figure 1-5 As shown, it is a preferred embodiment provided by the utility model.

[0026] The rotating shaft structure for the inward folding flexible screen includes a first inward folding module group 1, a second inward folding module group 2, a first screw rod 3, a second screw rod 4, a first rotating member 5 and a second rotating member 6. The first screw rod 3 and the second screw rod 4 are driven by an external force to rotate, the first rotating member 5 is assembled with the first screw rod 3, and the second rotating member 6 is assembled with the second screw rod 4. The first screw rod 3 is used to drive the first rotating member 5 to move axially and flip, and the second screw rod 4 is used to drive the second rotating member 6 to move axially and flip, the first inward folding module group 1 is assembled with the first rotating member 5, and the second inward folding module group is assembled with the second rotating member 6. The first inward folding module group 1 and the second inward folding module are flipped synchronously to realize the inward folding or unfolding of the flexible screen.

[0027] The above-mentioned shaft structure for the inward-folding flexible screen, when unfolded or folded, the first screw rod 3 and the second screw rod 4 synchronously receive the driving force and are arranged to rotate, and synchronously drive the first rotation member 5 and the second rotation member 6 to move along the axial direction, so as to synchronously drive the first inward-folding module group 1 and the second inward-folding module group 2 to swing in opposite directions, thereby realizing the inward folding or unfolding of the flexible screen; in this way, the driving mode of the first screw rod 3 and the second screw rod 4 is adopted, which increases the driving stability, increases the structural strength of the shaft structure, improves the reliability of the shaft structure, and at the same time, improves the use feel of the folding screen mobile phone.

[0028] The first inner folding module 1 includes a first inner folding plate 11 and a first swinging plate 12. The first inner folding plate 11 is docked with the flexible screen, the outer end of the first swinging plate 12 is movably assembled with the first inner folding plate 11, and the inner end of the first swinging plate 12 is assembled with the first rotational member 5; the first rotational member 5 is rotated axially to move and drive the first swinging plate 12 to swing and flip.

[0029] In this way, under the cooperation of the first rotating member 5, the first inner folding plate 11 and the first swinging plate 12, the inward folding or unfolding of the flexible screen is achieved.

[0030] The first rotational shifting member 5 includes a first rotational shifting shell 51 and a first outer edge seat 52, which are butt-jointedly arranged. The first rotational shifting shell 51 is sleeved with a first screw rod 3, which is used to drive the first rotational shifting shell 51 to move axially. The first outer edge seat is embedded in the inner end of the first swing plate 12; the first outer edge seat 52 has a first limiting plate, which is used to limit the swing angle of the first swing plate 12 to be greater than 90 degrees.

[0031] In this way, when folding, under the action of the first limiting plate, the maximum swing angle of the first swing plate 12 is limited, so that the first swing plate 12 stops swinging when the swing angle swings to 90 degrees. At this time, the inward folding of the flexible screen is completed.

[0032] The outer surface of the first screw rod 3 has a first rod thread, which is arranged in an arc-shaped spiral. The interior of the first rotation shell 51 has a first shell thread 53, which is arranged in an arc-shaped spiral. The first rod thread and the first shell thread 53 are arranged in a threaded connection. In this way, power transmission is achieved between the first screw rod 3 and the first rotation shell 51, thereby achieving the inward folding and unfolding of the flexible screen.

[0033] The first inner folding plate 11 has a first inner folding groove, and the outer end of the first swinging plate 12 is embedded in the first inner folding groove. The first inner folding groove includes two first folding groove surfaces, and the two first folding groove surfaces are arranged correspondingly at intervals, and the outer end of the first swinging plate 12 is arranged between the two first folding groove surfaces, and the two first folding groove surfaces are synchronously arranged to be in conflict with the first swinging plate 12.

[0034] Under the action of the two folding groove surfaces, the swing of the first swing plate 12 is guided and limited, thereby ensuring the swing of the first swing plate 12 and thus ensuring the inward folding and unfolding of the flexible screen.

[0035] The second inner folding module includes a second inner folding plate and a second swinging plate. The second inner folding plate is docked with the flexible screen. The outer end of the second swinging plate is movably assembled with the second inner folding plate. The inner end of the second swinging plate is assembled with the second rotational member 6. The second rotational member 6 is rotated axially and moved to drive the second swinging plate to swing and flip.

[0036] In this way, under the cooperation of the second rotating member 6, the second inner folding plate and the second swinging plate, the inward folding or unfolding of the flexible screen is achieved.

[0037] The second rotational shifting member 6 includes a second rotational shifting shell and a second outer edge seat, the second rotational shifting shell and the second outer edge seat are butt-jointedly arranged, the second rotational shifting shell is sleeved with a second screw rod 4, the second screw rod 4 is used to drive the second rotational shifting shell to move axially, and a second outer extension seat is embedded in the inner end of the second swing plate; the second outer edge seat has a second limiting plate, and the second limiting plate is used to limit the swing angle of the second swing plate to be greater than 90 degrees.

[0038] In this way, when folding, under the action of the second limiting plate, the maximum swing angle of the second swing plate is limited, so that when the swing angle of the second swing plate swings to 90 degrees, it stops swinging, and at this time, the inward folding of the flexible screen is completed.

[0039] The outer surface of the second screw rod 4 has a second rod thread, which is arranged in an arc-shaped spiral. The interior of the second rotation shell has a second shell thread, which is arranged in an arc-shaped spiral. The second rod thread and the second shell thread are arranged in a threaded connection. In this way, power transmission is achieved between the second screw rod 4 and the second rotation shell, thereby achieving the inward folding and unfolding of the flexible screen.

[0040] The second inner folding plate has a second inner folding groove, the outer end of the second swinging plate is embedded in the second inner folding groove, the second inner folding groove includes two second folding groove surfaces, the two second folding groove surfaces are arranged correspondingly at intervals, and the outer end of the second swinging plate is arranged between the two second folding groove surfaces, and the two second folding groove surfaces are synchronously arranged to conflict with the second swinging plate.

[0041] Under the action of the two folding groove surfaces, the swinging of the second swing plate is guided and limited, thereby ensuring the swinging of the second swing plate and thus ensuring the inward folding and unfolding of the flexible screen.

[0042] The first inward folding module 1 includes a first locking piece 13, and the first locking piece 13 is assembled with the first screw rod 3; the shaft structure for the inward folding flexible screen includes a damping piece, and the first screw rod 3 and the second screw rod 4 respectively penetrate the damping piece, and the damping piece has a damping block, and a damping groove is formed between adjacent damping blocks. The first locking piece 13 has a first locking block, and a first locking groove is formed between adjacent first locking blocks. The damping block is embedded in the first locking groove, and the first locking block is embedded in the damping groove. The damping piece is used to apply a damping force to the first inward folding module 1.

[0043] In this way, under the action of the damping member, the damping force is applied, making the folding or unfolding of the first inward folding module 1 smoother and more stable, thereby improving the feel of using the folding screen mobile phone. At the same time, under the action of the first locking member 13, the structural strength of the hinge structure is increased, thereby improving the reliability of the hinge structure.

[0044] The second inward folding module includes a second locking piece, and the second locking piece is assembled with the second screw rod 4; the shaft structure for the inward folding flexible screen includes a damping piece, and the second screw rod 4 and the second screw rod 4 respectively penetrate the damping piece, and the damping piece has a damping block, and a damping groove is formed between adjacent damping blocks, and the second locking piece has a second locking block, and a second locking groove is formed between adjacent second locking blocks, and the damping block is embedded in the second locking groove, and the second locking block is embedded in the damping groove, and the damping piece is used to apply damping force to the second inward folding module.

[0045] In this way, under the action of the damping member, the damping force is applied, making the folding or unfolding of the second inward folding module smoother and more stable, thereby improving the feel of using the folding screen mobile phone. At the same time, under the action of the second locking member, the structural strength of the hinge structure is increased, thereby improving the reliability of the hinge structure.

[0046] The shaft structure for the inward folding flexible screen includes a plurality of damping springs 7. The first screw rod 3 and the second screw rod 4 are respectively sleeved with damping springs 7. One end of the damping spring 7 is fixedly arranged, and the other end of the damping spring 7 is docked with the damping member. The damping spring 7 is used to apply elastic force to the damping member, and the damping member is used to apply damping force to the first locking member 13 or the second locking member.

[0047] In this way, the damping member applies a damping force to the first locking member 13 or the second locking member through the elastic force applied by the damping spring 7 to the damping member.

[0048] The rotating shaft structure for the inward folding flexible screen includes two driving shafts 8, which are arranged to rotate under the driving force, and the two driving shafts 8 are respectively arranged to mesh with the first screw rod 3 and the second screw rod 4; the two driving shafts 8 synchronously pass through the damping member, and the two driving shafts 8 are respectively provided with damping springs 7.

[0049] In this way, under the action of the two driving shafts 8, the first screw rod 3 and the second screw rod 4 are driven synchronously to ensure the inward folding or unfolding of the flexible screen.

[0050] The two drive shafts 8 are meshedly arranged to achieve synchronous driving of the first screw rod 3 and the second screw rod 4 .

[0051] The first locking member 13 includes a first transmission seat 131, a first fixed spring seat 132 and a first locking plate 133, and the two ends of the first locking plate 133 are respectively connected to the first transmission seat 131 and the first fixed spring seat 132, the first transmission seat 131 has a first conductive tooth portion 134, the first conductive tooth portion 134 is meshed with the drive shaft 8, and the first lock plate 133 is assembled with the first inner folding plate 11; the second locking member includes a second transmission seat, a second fixed spring seat and a second locking plate, and the two ends of the second lock plate are respectively connected to the second transmission seat and the second fixed spring seat, the second transmission seat has a second conductive tooth portion, the second conductive tooth portion is meshed with the drive shaft 8, and the second lock plate is assembled with the second inner folding plate.

[0052] The shaft structure for the inward folding flexible screen includes a synchronization plate, which is arranged in abutment with the first fixed spring seat 132, the first screw rod 3 synchronously penetrates the synchronization plate and the first fixed spring seat 132, and one end of the damping spring 7 is arranged in a butt connection with the synchronization plate.

[0053] In this way, the structural strength of the shaft structure is more stable, thereby improving the reliability of the shaft structure.

[0054] The shaft structure for the inward-folding flexible screen includes a rod fastener and two anti-slip parts 9. The first screw rod 3 and the second screw rod 4 respectively penetrate the rod fastener, and the first screw rod 3 and the second screw rod 4 are respectively arranged to be movable and idle with the rod fastener. The two anti-slip parts 9 are respectively sleeved on the first screw rod 3 and the second screw rod 4. The two anti-slip parts 9 are used to prevent the rod fastener from detaching from the first screw rod 3 and the second screw rod 4.

[0055] Under the action of the two anti-slip parts 9, the arrangement of the first screw rod 3 and the second screw rod 4 is reinforced, thereby improving the stability of the arrangement of the first screw rod 3 and the second screw rod 4, thereby improving the reliability of the shaft structure.

[0056] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shaft structure for an inward folding flexible screen, characterized in that: It includes a first inward folding module group, a second inward folding module group, a first screw rod, a second screw rod, a first rotational member and a second rotational member, the first screw rod and the second screw rod are driven by an external force to rotate, the first rotational member is assembled with the first screw rod, the second rotational member is assembled with the second screw rod, the first screw rod is used to drive the first rotational member to move axially and flip, the second screw rod is used to drive the second rotational member to move axially and flip, the first inward folding module group and the first rotational member are assembled, the second inward folding module group and the second rotational member are assembled, the first inward folding module group and the second inward folding module are flipped synchronously to realize the inward folding or unfolding of the flexible screen.

2. The hinge structure for an inwardly folding flexible screen according to claim 1, characterized in that: The first inner folding module includes a first inner folding plate and a first swinging plate. The first inner folding plate is docked with the flexible screen, the outer end of the first swinging plate is movably assembled with the first inner folding plate, and the inner end of the first swinging plate is assembled with the first rotational shifting member; the first rotational shifting member is rotated axially to drive the first swinging plate to swing and flip.

3. The hinge structure for an inwardly folding flexible screen according to claim 2, characterized in that: The first rotational shifting member includes a first rotational shifting shell and a first outer edge seat, the first rotational shifting shell and the first outer edge seat are butt-jointedly arranged, the first rotational shifting shell is sleeved with the first screw rod, the first screw rod is used to drive the first rotational shifting shell to move axially, and the first outer edge seat is embedded in the inner end of the first swing plate; the first outer edge seat has a first limiting plate, and the first limiting plate is used to limit the swing angle of the first swing plate to be greater than 90 degrees.

4. The hinge structure for an inwardly folding flexible screen according to claim 3, characterized in that: The outer surface of the first screw rod has a first rod thread, which is arranged in an arcuate spiral. The interior of the first rotation shell has a first shell thread, which is arranged in an arcuate spiral. The first rod thread and the first shell thread are arranged in a threaded connection.

5. The hinge structure for an inwardly folding flexible screen according to claim 2, characterized in that: The first inner folding plate has a first inner folding groove, the outer end of the first swinging plate is embedded in the first inner folding groove, the first inner folding groove includes two first folding groove surfaces, the two first folding groove surfaces are arranged correspondingly at intervals, and the outer end of the first swinging plate is arranged between the two first folding groove surfaces, and the two first folding groove surfaces are synchronously arranged to conflict with the first swinging plate.

6. The hinge structure for an inwardly folding flexible screen according to any one of claims 2 to 5, characterized in that: The first inward folding module includes a first locking piece, and the first locking piece is assembled with the first screw rod; the rotating shaft structure for the inward folding flexible screen includes a damping piece, and the first screw rod and the second screw rod respectively penetrate the damping piece, and the damping piece has a damping block, and a damping groove is formed between adjacent damping blocks, and the first locking piece has a first locking block, and a first locking groove is formed between adjacent first locking blocks, and the damping block is embedded in the first locking groove, and the first locking block is embedded in the damping groove, and the damping piece is used to apply a damping force to the first inward folding module.

7. The hinge structure for an inwardly folding flexible screen according to claim 6, characterized in that: The rotating shaft structure for the inward folding flexible screen includes multiple damping springs, and the first screw rod and the second screw rod are respectively sleeved with the damping springs, one end of the damping spring is fixedly arranged, and the other end of the damping spring is docked with the damping member, the damping spring is used to apply elastic force to the damping member, and the damping member is used to apply damping force to the first locking member.

8. The hinge structure for an inwardly folding flexible screen according to claim 7, characterized in that: The rotating shaft structure for the inward folding flexible screen includes two driving shafts, which are arranged to rotate under the driving force, and the two driving shafts are respectively arranged to be meshed with the first screw rod and the second screw rod; the two driving shafts synchronously pass through the damping member, and the two driving shafts are respectively sleeved with the damping springs.

9. The hinge structure for an inwardly folding flexible screen according to claim 8, characterized in that: The first locking member includes a first transmission seat, a first fixed spring seat and a first locking plate, the two ends of the first locking plate are respectively connected to the first transmission seat and the first fixed spring seat, the first transmission seat has a first transmission tooth portion, the first transmission tooth portion is meshed with the drive shaft, and the first lock plate is assembled with the first inner folding plate; the rotating shaft structure for the inward folding flexible screen includes a synchronization plate, the synchronization plate is in contact with the first fixed spring seat, the first screw rod synchronously passes through the synchronization plate and the first fixed spring seat, and one end of the damping spring is connected to the synchronization plate.

10. The hinge structure for an inwardly folding flexible screen according to any one of claims 1 to 5, characterized in that: The rotating shaft structure for the inward folding flexible screen includes a rod fixture and two anti-slip parts. The first screw rod and the second screw rod respectively penetrate the rod fixture, and the first screw rod and the second screw rod are respectively arranged to be movable and idle with the rod fixture. The two anti-slip parts are respectively sleeved on the first screw rod and the second screw rod, and the two anti-slip parts are used to prevent the rod fixture from detaching from the first screw rod and the second screw rod.

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