CN116798312A

CN116798312A - Foldable electronic device and housing device

Info

Publication number: CN116798312A
Application number: CN202210289761.8A
Authority: CN
Inventors: 唐泽成
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2022-03-15
Filing date: 2022-03-23
Publication date: 2023-09-22
Also published as: CN217847355U

Abstract

The application discloses a foldable electronic device and a housing device. The electronic equipment provided by the application has a three-fold structure and comprises the connecting piece, wherein when the first shell and the second shell are in an open state and the second shell and the third shell are in an open state, the second end of the connecting piece is connected between the second shell and the second moving piece of the second rotating shaft assembly so as to prevent the second shell and the third shell from being folded relative to the second rotating shaft assembly. And in the process that the second shell and the third shell are in an open state and the first shell and the second shell are relatively folded from the open state to the first closed state, the second end of the connecting piece moves in a direction away from the second rotating shaft assembly, so that the second shell and the third shell can be folded relative to the second rotating shaft assembly. The electronic equipment is provided with the connecting device, so that the electronic equipment needs to be folded according to a certain sequence, the smooth movement of the folding assembly is ensured, and the service life of the electronic equipment is prolonged.

Description

Foldable electronic device and housing device

Technical Field

The present application relates to electronic devices, and particularly to a foldable electronic device and a housing device.

Background

The existing foldable electronic devices mostly adopt a two-fold structure, but the existing electronic devices with the two-fold structure are difficult to meet the increasing diversified demands of users due to the limitation of the structure and the size, for example, the electronic devices with the three-fold structure and the above structure are generated.

In addition, the movement mechanism of the electronic device with the multi-fold structure such as the three-fold structure is complex, and the folding modes are various. The user can damage the movement mechanism of the electronic equipment with multi-fold structures such as three folds and the like by adopting an improper folding sequence, and the service life of the electronic equipment is influenced.

Disclosure of Invention

The application provides a foldable electronic device and a housing device. The electronic equipment provided by the application has a triple-folded structure, thereby meeting the diversified demands of users. In addition, the electronic equipment is provided with the connecting device, so that the electronic equipment needs to be folded according to a certain sequence, and the movement of the folding assembly is smooth, so that the damage risk of the folding assembly is low, the reliability is high, and the service life of the electronic equipment is prolonged.

In a first aspect, the present application provides a foldable electronic device.

The electronic equipment comprises a first shell, a second shell, a third shell, a first rotating shaft assembly and a second rotating shaft assembly. The first rotating shaft assembly is connected between the first shell and the second shell, the first shell and the second shell can be relatively unfolded or relatively folded through the rotating shaft assembly, the second rotating shaft assembly is connected between the second shell and the third shell, and the second shell and the third shell can be relatively unfolded or relatively folded through the second rotating shaft assembly. The electronic device further comprises a connecting piece, the connecting piece comprises a first end and a second end, the first end of the connecting piece is close to the first rotating shaft assembly, and the second end of the connecting piece is close to the second rotating shaft assembly.

When the first shell and the second shell are in an open state, and the second shell and the third shell are in an open state, the second end of the connecting piece is connected between the second shell and the second rotating shaft assembly, so that the second shell and the third shell are prevented from being folded relative to the second rotating shaft assembly; in the process that the second shell and the third shell are in an open state, and the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the second end of the connecting piece moves in a direction away from the second rotating shaft assembly; when the first shell and the second shell are in a first closed state, the second shell and the third shell can be folded relative to the second rotating shaft assembly.

The electronic equipment provided by the application can be folded according to a certain sequence, moves smoothly and has long service life.

In some implementations, the connector is slidably coupled to the second housing.

In this embodiment, the second housing may be provided with a sliding groove, and the sliding groove may extend to end surfaces on both left and right sides of the second housing. The connecting piece is positioned in the sliding groove of the second shell and can slide along the sliding groove, so that the connecting piece slides relative to the second shell through the sliding groove. The second shell can be further provided with through holes, and openings at two ends of the through holes can be respectively positioned on the end faces at the left side and the right side of the second shell. The connecting piece is located in the through hole of the second shell and can slide along the through hole, so that the connecting piece is in sliding connection with the second shell through the through hole. In addition, the connecting piece can also be connected with the second shell in a sliding way through other structures, and the application is not limited to the above.

In some implementations, when the first housing and the second housing are in the first closed state, the second housing and the third housing are capable of being unfolded relative to the second shaft assembly; in the process that the second shell and the third shell are in an open state, the first shell and the second shell are unfolded from a first closed state to an open state through the first rotating shaft assembly, the second end of the connecting piece moves towards the direction close to the second rotating shaft assembly, and the second end of the connecting piece is connected between the second shell and the second rotating shaft assembly.

In the implementation mode, the electronic equipment can be unfolded according to a certain sequence, moves smoothly and has long service life.

In some implementations, the first shaft assembly includes a first mover. In the process that the second shell and the third shell are in an open state, and the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the first moving part of the first rotating shaft assembly moves in a direction away from the second shell, and an avoidance space is formed between the first moving part and the second shell; the first end of the connecting piece enters the avoidance space, and the second end of the connecting piece moves in a direction away from the second rotating shaft assembly.

In this implementation mode, form between first moving part and the second casing and dodge the space, the first end of connecting piece gets into and dodges the space, and the second end of connecting piece moves to the direction of keeping away from second pivot subassembly to make second casing and third casing can fold relative second pivot subassembly.

In some implementations, the first shaft assembly includes a spindle, a first swing arm, and a second swing arm, the second swing arm including a rotating end and a sliding end, the rotating end of the second swing arm rotationally coupled to the spindle of the first shaft assembly, the sliding end of the second swing arm slidingly coupled to the second housing; the first moving member includes a second swing arm. When the first shell and the second shell are in an open state, the first end of the connecting piece is close to the sliding end of the second swing arm of the first rotating shaft assembly; in the process that the second shell and the third shell are in an open state, the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the first swing arm and the second swing arm of the first rotating shaft assembly are relatively folded, the sliding end of the second swing arm of the first rotating shaft assembly moves in a direction away from the second shell, and an avoidance space is formed between the sliding end of the second swing arm and the second shell.

In this implementation, the first end of connecting piece gets into and dodges the space, and the second end of connecting piece moves to the direction of keeping away from second pivot subassembly to make second casing and third casing can fold relative second pivot subassembly.

In some implementations, the second spindle assembly includes a spindle, a first mount, and a second mount; the first fixing frame is fixedly connected with the second shell; the second fixing frame is fixedly connected with the third shell. When the first shell and the second shell are in an open state, and the second shell and the third shell are in an open state, the first fixing frame and the second fixing frame of the second rotating shaft assembly are relatively unfolded, and the second end of the connecting piece is fixedly connected with the main shafts of the first fixing frame and the second rotating shaft assembly; the second end of the connecting piece moves in a direction far away from the main shaft of the second rotating shaft assembly in the process that the second shell and the third shell are in an open state and the first shell and the second shell are relatively folded from the open state to a first closed state; when the first shell and the second shell are in a first closed state, the main shafts of the first fixing frame and the second rotating shaft assembly can move relatively.

In this implementation, the second end of the connecting piece moves to the direction of keeping away from the main shaft of second pivot subassembly for the first end of connecting piece gets into and dodges the space, and the second end of connecting piece moves to the direction of keeping away from the main shaft of second pivot subassembly, so that second casing and third casing can fold relative second pivot subassembly.

In some implementations, the first fixing frame of the second rotating shaft assembly is provided with a through hole, the main shaft of the second rotating shaft assembly is provided with a groove, and an opening of the groove faces the through hole of the first fixing frame of the second rotating shaft assembly. When the first shell and the second shell are in an open state and the second shell and the third shell are in an open state, the second end of the connecting piece passes through the first fixing frame of the second rotating shaft assembly through the through hole and is inserted into the groove so as to fixedly connect the first fixing frame and the main shaft of the second rotating shaft assembly; the second end of the connecting piece moves in a direction away from the groove in the process that the second shell and the third shell are in an open state and the first shell and the second shell are relatively folded from the open state to a first closed state; when the first shell and the second shell are in a first closed state, the second end of the connecting piece leaves the groove, and the main shaft of the first fixing frame and the main shaft of the second rotating shaft assembly can move relatively.

In this implementation, the second end of the connecting piece leaves the groove, and the spindle of the first fixing frame and the second rotating shaft assembly can move relatively, so that the second casing and the third casing can be folded relatively to the second rotating shaft assembly.

In some implementations, the electronic device further includes a drive member, at least one of the connection member, the first shaft assembly, the second shaft assembly, or the second housing being provided with the drive member. In the process that the second shell and the third shell are in an open state and the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the driving piece is used for driving the second end of the connecting piece to move in a direction away from the second rotating shaft assembly.

In this implementation manner, the driving member is configured to drive the second end of the connecting member to move away from the second rotating shaft assembly, so that the second housing and the third housing can be folded relative to the second rotating shaft assembly.

In some implementations, the driving member is an elastic member, the driving member is disposed at the second end of the connecting member, one end of the driving member abuts against the connecting member, and the other end of the driving member abuts against the second rotating shaft assembly.

In this implementation mode, when second casing and third casing are in open state, and first casing and second casing are in open state, the both ends of driving piece are in compression state to the spacing flange of connecting piece and the first mount of second pivot subassembly respectively, and the second end of connecting piece passes the first mount card income main shaft of second pivot subassembly to prevent second casing and the folding of third casing relative second pivot subassembly.

In the process that the second shell and the third shell are in an open state, the first shell and the second shell are relatively folded to a first closed state through the first rotating shaft assembly from the open state, the driving piece is changed to an extended state from a compressed state to generate thrust, and the limit flange moves towards a direction close to the first rotating shaft assembly under the action of the thrust, so that the connecting piece moves towards a direction far away from the second rotating shaft assembly under the action of the thrust and leaves the main shaft, and the main shafts of the first fixing frame and the second rotating shaft assembly can relatively move to enable the second shell and the third shell to be folded relative to the second rotating shaft assembly.

In some implementations, the driving member includes a first magnetic member and a second magnetic member, the first magnetic member and the second magnetic member are respectively fixed to a sliding end of the second swing arm of the first rotating shaft assembly and a first end of the connecting member, attractive force exists between the first magnetic member and the second magnetic member, and the first end of the connecting member moves along with the sliding end of the second swing arm of the first rotating shaft assembly under the action of attractive force.

In this implementation, the first end of the connecting member is magnetically coupled to the sliding end of the second swing arm of the first pivot assembly via the driving member. In the process that the second shell and the third shell are in an open state, the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the sliding end of the second swing arm is far away from the second fixing frame, and the driving piece drives the connecting piece to move in a direction far away from the second rotating shaft assembly, so that the second end of the connecting piece leaves the main shaft, the main shafts of the first fixing frame and the second rotating shaft assembly can relatively move, and the second shell and the third shell can be folded relative to the second rotating shaft assembly.

In some implementations, the driving piece includes a third magnetic piece and a fourth magnetic piece, the third magnetic piece is fixed in the second housing and movably sleeved on the connecting piece, the fourth magnetic piece is fixedly sleeved on the connecting piece and is located at one side of the third magnetic piece, which is close to the second rotating shaft assembly, and attractive force exists between the third magnetic piece and the fourth magnetic piece. When the first shell and the second shell are in an open state, and the second shell and the third shell are in an open state, a space exists between the third magnetic piece and the fourth magnetic piece; in the process that the first shell and the second shell are relatively folded to the first closed state from the open state through the first rotating shaft assembly, the fourth magnetic piece moves to a direction close to the third magnetic piece under the action of attraction force, so that the second end of the connecting piece moves to a direction far away from the second rotating shaft assembly.

In this implementation mode, the fourth magnetic part moves to the direction that is close to the third magnetic part under the effect of attraction for the second end of connecting piece moves to the direction that keeps away from second pivot subassembly, makes the second end of connecting piece leave the main shaft, and the main shaft of first mount and second pivot subassembly can relative movement, so that second casing and third casing can fold relative second pivot subassembly.

In some implementations, the driving piece includes a third magnetic piece and a fourth magnetic piece, the third magnetic piece is fixed in the second housing and movably sleeved on the connecting piece, the fourth magnetic piece is fixedly sleeved on the connecting piece and is located at one side of the third magnetic piece far away from the second rotating shaft assembly, and repulsive force exists between the third magnetic piece and the fourth magnetic piece. When the first shell and the second shell are in an open state, and the second shell and the third shell are in an open state, the third magnetic piece and the fourth magnetic piece are contacted or have a gap; in the process that the first shell and the second shell are relatively folded to a first closed state from an open state through the first rotating shaft assembly, the fourth magnetic piece is far away from the third magnetic piece under the action of repulsive force, and the second end of the connecting piece moves in the direction far away from the second rotating shaft assembly.

In this implementation mode, the fourth magnetic part keeps away from the third magnetic part under the effect of repulsive force for the second end of connecting piece moves to the direction of keeping away from the second pivot subassembly, makes the second end of connecting piece leave the main shaft, and the main shaft of first mount and second pivot subassembly can relative movement, so that second casing and third casing can fold relative second pivot subassembly.

In some implementations, the driving member includes a first rotating end and a second rotating end, the first rotating end of the driving member is rotatably connected to the sliding end of the second swing arm of the first rotating shaft assembly, and the second rotating end of the driving member is rotatably connected to the first end of the connecting member.

In this implementation mode, in the second casing and the third casing are in the open state, and in the relative folding of first casing and second casing from the open state through first pivot subassembly to first closed state, the second swing arm is through the direction motion of driving piece pulling connecting piece to keeping away from second pivot subassembly, and the second end of connecting piece leaves the main shaft, and the main shaft of first mount and second pivot subassembly can relative movement to make second casing and third casing can fold relative second pivot subassembly.

In some implementations, the electronic device further includes a screen, and the first housing, the second housing, the third housing, the first hinge assembly, and the second hinge assembly collectively carry the screen.

In this implementation, the screen moves with the housing device, and the housing device may drive the screen to expand or fold, so that the electronic device may be expanded to an open state, or folded to a first closed state or a second closed state. When the electronic equipment is in an open state, the screen is flattened, and the screen can be displayed in a full screen mode, so that the electronic equipment has a larger display area, and the viewing experience and the operation experience of a user are improved. When the electronic equipment is in the first closed state and the second closed state, the plane size of the electronic equipment is small, so that the electronic equipment is convenient for a user to carry and store; at this time, the user can also watch and operate on the exposed screen to satisfy different application scenarios.

In a second aspect, the present application further provides a housing apparatus applied to a foldable electronic device.

The shell device comprises a first shell, a second shell, a third shell, a first rotating shaft assembly and a second rotating shaft assembly. The first rotating shaft assembly is connected between the first shell and the second shell, the first shell and the second shell can be relatively unfolded or relatively folded through the rotating shaft assembly, the second rotating shaft assembly is connected between the second shell and the third shell, and the second shell and the third shell can be relatively unfolded or relatively folded through the second rotating shaft assembly.

The shell device further comprises a connecting piece, the connecting piece comprises a first end and a second end, the first end of the connecting piece is close to the first rotating shaft assembly, and the second end of the connecting piece is close to the second rotating shaft assembly. When the first shell and the second shell are in an open state and the second shell and the third shell are in an open state, the second end of the connecting piece is connected between the second shell and the second rotating shaft assembly to prevent the second shell and the third shell from being folded relative to the second rotating shaft assembly; in the process that the second shell and the third shell are in an open state, and the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the second end of the connecting piece moves in a direction away from the second rotating shaft assembly; when the first shell and the second shell are in a first closed state, the second shell and the third shell can be folded relative to the second rotating shaft assembly.

The shell device provided by the application can be folded according to a certain sequence, and is smooth in movement and long in service life.

In some implementations, the housing arrangement further includes a drive member, at least one of the connection member, the first shaft assembly, the second shaft assembly, or the second housing being provided with the drive member. In the process that the second shell and the third shell are in an open state and the first shell and the second shell are relatively folded to a first closed state from the open state through the first rotating shaft assembly, the driving piece is used for driving the second end of the connecting piece to move in a direction away from the second rotating shaft assembly.

Drawings

Fig. 1A is a schematic structural diagram of an electronic device in an open state according to an embodiment of the present application;

FIG. 1B is a schematic diagram of the electronic device shown in FIG. 1A in a first closed state;

FIG. 1C is a schematic diagram of the electronic device shown in FIG. 1A in a second closed state;

FIG. 2 is a partially exploded view of the electronic device of FIG. 1A;

FIG. 3A is a schematic view of the housing assembly of FIG. 1A at another angle;

FIG. 3B is a schematic view of the housing assembly of FIG. 1B at another angle;

FIG. 3C is a schematic view of the housing assembly of FIG. 1C at another angle;

FIG. 4 is a schematic illustration of the construction of the first shaft assembly of FIG. 2;

FIG. 5 is a schematic illustration of the first shaft assembly of FIG. 4 in a first closed condition;

FIG. 6 is a partially exploded view of the first shaft assembly of FIG. 4;

FIG. 7A is an exploded view of the spindle of FIG. 6;

FIG. 7B is a schematic view of the spindle of FIG. 7A at another angle;

FIG. 8 is a schematic view of the connection assembly of FIG. 6;

FIG. 9 is a partially exploded view of the connection assembly of FIG. 8;

FIG. 10A is a schematic view of the first fixing frame shown in FIG. 9;

FIG. 10B is a schematic view of the second mount of FIG. 9 at another angle;

FIG. 11A is a schematic view of the first connecting arm of FIG. 9;

FIG. 11B is a schematic view of the second connecting arm of FIG. 9;

FIG. 12A is a schematic view of the first swing arm of FIG. 9;

FIG. 12B is a schematic view of the second swing arm of FIG. 9 at another angle;

FIG. 13 is a schematic view of the damping assembly of FIG. 9 at another angle;

FIG. 14 is an exploded view of the damping assembly of FIG. 13;

FIG. 15 is a schematic view of a portion of the connection assembly of FIG. 8;

FIG. 16 is a schematic view of an assembled structure of the connection assembly shown in FIG. 8 and the bottom cover and back cover of the spindle shown in FIG. 7A;

FIG. 17A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 6 taken along line A1-A1;

FIG. 17B is a schematic view of the structure of FIG. 17A in a first closed state;

FIG. 18A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 6 taken along line A2-A2;

FIG. 18B is a schematic view of the structure of FIG. 18A in a first closed state;

FIG. 19A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 6 taken along line A3-A3;

FIG. 19B is a schematic view of the structure of FIG. 19A in a first closed state;

FIG. 20 is a schematic view of the structure of the coupling assembly and spindle of FIG. 8 in a first closed state;

FIG. 21A is a schematic view of the first support of FIG. 6 at another angle;

FIG. 21B is a schematic view of the second support shown in FIG. 6 at another angle;

FIG. 22 is an exploded view of the exploded structure of the first shaft assembly of FIG. 4 at another angle;

FIG. 23A is a schematic cross-sectional view of the first shaft assembly of FIG. 4 taken along line A4-A4;

FIG. 23B is a schematic view of the structure of FIG. 23A in a first closed state;

FIG. 24A is a schematic cross-sectional view of the first shaft assembly of FIG. 4 taken along line A5-A5;

FIG. 24B is a schematic view of the structure of FIG. 24A in a first closed state;

FIG. 25A is a schematic cross-sectional view of the first shaft assembly of FIG. 4 taken along line A6-A6;

FIG. 25B is a schematic view of the structure of FIG. 25A in a first closed state;

FIG. 26 is a schematic view of the second spindle assembly of FIG. 2 in an open configuration;

FIG. 27 is a schematic view of the second spindle assembly of FIG. 26 in a second closed state;

FIG. 28A is an exploded view of the second spindle assembly of FIG. 26;

FIG. 28B is a schematic view of the structure of FIG. 28A at another angle;

FIG. 29 is a schematic view of an assembled structure of the coupling assembly of FIG. 28A and a bottom housing of the spindle;

FIG. 30A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 26 taken along line B1-B1;

FIG. 30B is a schematic view of the structure of FIG. 30A in a second closed state;

FIG. 31A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 26 taken along line B2-B2;

FIG. 31B is a schematic view of the structure of FIG. 31A in a second closed state;

FIG. 32A is a schematic cross-sectional view of the assembled structure of the coupling assembly and spindle of FIG. 26 taken along line B3-B3;

FIG. 32B is a schematic view of the structure of FIG. 32A in a second closed state;

FIG. 33A is a partially exploded view of a portion of the structure of the electronic device shown in FIG. 2;

FIG. 33B is a partially exploded view of FIG. 33A;

FIG. 33C is an assembled schematic view of the structure shown in FIG. 33A;

FIG. 33D is an internal schematic view of the structure shown in FIG. 33C;

FIG. 34A is a schematic view of the structure of FIG. 33C in a first closed state;

FIG. 34B is an internal schematic view of the structure shown in FIG. 34A;

FIG. 35A is a schematic view of the structure of FIG. 33C in a second closed state;

FIG. 35B is an internal schematic view of the structure shown in FIG. 35A;

FIG. 36A is a schematic view of a portion of the housing arrangement shown in FIG. 33B;

FIG. 36B is a schematic view of a portion of the structure shown in FIG. 36A in a first closed state;

FIG. 36C is a schematic view of the structure of FIG. 36A in a first closed state;

FIG. 36D is a schematic view of a portion of the structure of the housing arrangement shown in FIG. 33B in a first closed state;

FIG. 36E is a partially exploded schematic view of the structure shown in FIG. 36D;

FIG. 36F is a schematic view of a portion of the housing arrangement shown in FIG. 33B;

FIG. 36G is a schematic view of a portion of the housing arrangement shown in FIG. 33B;

FIG. 36H is a partially exploded schematic view of the structure shown in FIG. 36G;

FIG. 36I is a schematic view of the housing arrangement of FIG. 2 in some embodiments;

FIG. 36J is a schematic view of the structure of FIG. 36I in a first embodiment, taken along line C-C;

FIG. 36K is a schematic view of another partial cross-sectional structure taken along C-C of the structure shown in FIG. 36I in a first embodiment;

FIG. 36L is a schematic view of the structure of FIG. 36J in a first closed state;

FIG. 36M is a schematic view of the structure of FIG. 36K in a first closed state;

FIG. 37 is an exploded view of the connecting device of FIG. 33A in a first embodiment;

FIG. 38 is a schematic view of the housing arrangement of FIG. 2 in a first embodiment;

FIG. 39A is a schematic view of the structure of FIG. 38 in a first embodiment, taken along line C1-C1;

FIG. 39B is a schematic view of another partial cross-sectional structure taken along line C1-C1 of the structure shown in FIG. 38 in a first embodiment;

FIG. 39C is a schematic view of the structure of FIG. 39A in a first closed state;

FIG. 39D is a schematic view of the structure of FIG. 39B in a first closed state;

FIG. 40 is a schematic view of the structure of FIG. 39C in other embodiments;

FIG. 41 is a schematic view of the structure of the connecting device shown in FIG. 33A in a second embodiment;

FIG. 42A is a schematic view of the housing arrangement of FIG. 2 in a second embodiment;

FIG. 42B is a schematic view of a portion of the housing assembly shown in FIG. 42A;

FIG. 42C is a schematic view of the portion of the structure shown in FIG. 42B in a first closed state;

FIG. 43A is a schematic view of the structure of FIG. 42A in a second embodiment, taken along line C2-C2;

FIG. 43B is a schematic view of another partial cross-sectional structure taken along line C2-C2 of the structure shown in FIG. 42A in a second embodiment;

FIG. 43C is a schematic view of the structure of FIG. 43A in a first closed state;

FIG. 43D is a schematic view of the structure of FIG. 43B in a first closed state;

FIG. 44 is an exploded view of the connection device of FIG. 33A in a third embodiment;

FIG. 45 is a schematic view of the housing arrangement of FIG. 2 in a third embodiment;

FIG. 46A is a schematic view of the structure of FIG. 45 in a third embodiment, taken along line C3-C3;

FIG. 46B is a schematic view of another partial cross-sectional structure of the structure of FIG. 45 taken along line C3-C3 in a third embodiment;

FIG. 46C is a schematic view of the structure of FIG. 46A in a first closed state;

FIG. 46D is a schematic view of the structure of FIG. 46B in a first closed state;

FIG. 47A is a schematic view of an assembled structure of the connecting device shown in FIG. 33A and a second swing arm in a fourth embodiment;

FIG. 47B is an exploded view of the structure shown in FIG. 47A;

FIG. 48 is a schematic view of the housing arrangement of FIG. 2 in a fourth embodiment;

FIG. 49A is a schematic view of the structure of FIG. 48 in a fourth embodiment, taken along line C4-C4;

FIG. 49B is a schematic view of another partial cross-sectional structure taken along line C4-C4 of the structure shown in FIG. 48 in a fourth embodiment;

FIG. 49C is a schematic view of the structure of FIG. 49A in a first closed state;

fig. 49D is a schematic view of the structure of fig. 49B in a first closed state.

Detailed Description

Embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application. Where specific terms such as "upper", "lower", "top", "bottom", etc., are used in connection with embodiments of the present application, the specific terms are used in order to better, more clearly describe and understand the embodiments of the present application, and are not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and are not intended to be construed as limiting of the embodiments of the present application.

The term "plurality" means at least two. The term "above" includes this number. The term "and/or" is an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, which may represent: a exists alone, A and B exist together, and B exists alone. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Referring to fig. 1A to fig. 1C in combination, fig. 1A is a schematic structural diagram of an electronic device 1000 in an open state according to an embodiment of the present application, fig. 1B is a schematic structural diagram of the electronic device 1000 in a first closed state shown in fig. 1A, and fig. 1C is a schematic structural diagram of the electronic device 1000 in a second closed state shown in fig. 1A.

In some embodiments, the electronic device 1000 includes a housing apparatus 100 and a screen 200, the screen 200 being mounted to the housing apparatus 100. As shown in fig. 1A, the housing apparatus 100 may be unfolded to an open state; as shown in fig. 1B and 1C, the housing arrangement 100 may also be folded into a first closed state and a second closed state. The housing device 100 may be further unfolded or folded to an intermediate state, and the intermediate state may be any state between the open state and the first closed state, or between the first closed state and the second closed state. The screen 200 moves with the housing apparatus 100, and the housing apparatus 100 may drive the screen 200 to be unfolded or folded, so that the electronic device 1000 can be unfolded to an open state, or folded to a first closed state or a second closed state. Wherein, when the electronic device 1000 is in the first closed state and the second closed state, the screen 200 is located inside the housing apparatus 100. In other embodiments, the screen 200 may also be located outside the housing apparatus 100 when the electronic device 1000 is in the first closed state and/or the second closed state, which is not limited by the present application.

In this embodiment, when the electronic device 1000 is in the open state, the screen 200 is flattened, and the screen 200 can perform full-screen display, so that the electronic device 1000 has a larger display area, so as to improve the viewing experience and the operation experience of the user. When the electronic device 1000 is in the first closed state and the second closed state, the electronic device 1000 has a smaller planar size, and is convenient for a user to carry and store; at this time, the user may also view and operate on the exposed screen 200 to satisfy different application scenarios.

In some embodiments, the screen 200 may be integrated with a display function and a touch sensing function. The display function of the screen 200 is used to display images, videos, etc., and the touch sensing function of the screen 200 is used to sense a touch action of a user to realize man-machine interaction. Illustratively, the screen 200 includes a flexible display screen that can be bent. The flexible display screen may be a liquid crystal display (liquid crystal display, LCD), an organic light-emitting diode (OLED) display screen, an active-matrix organic light-emitting diode (AMOLED) display screen, a flexible light-emitting diode (flex) display screen, a MiniLED display screen, a Micro led display screen, a Micro-OLED display screen, a quantum dot light-emitting diode (quantum dot light emitting diodes, QLED) display screen, or the like.

In this embodiment, the electronic device 1000 is described as an example of a three-fold structure, that is, the electronic device 1000 includes three flat plate portions, and two adjacent flat plate portions are connected by a bent portion. Adjacent two flat plates can relatively rotate to be mutually overlapped, so that the electronic device 1000 takes on a two-layer or three-layer form (corresponding to a first closed state or a second closed state); adjacent flat portions may also be rotated back to flat to allow electronic device 1000 to assume an open position. In other embodiments, the electronic device 1000 may have a structure with four or more folds, that is, the electronic device 1000 includes four or more flat portions, two adjacent flat portions are connected by a bending portion, and the two adjacent flat portions may rotate relatively to each other or rotate back to each other to be flattened. When the electronic device 1000 has a structure with four or more folds, the structure of the electronic device 1000 can be adaptively designed according to the description of the three-fold structure of the embodiment, which is not repeated in the present application.

Referring to fig. 1A to 1C in combination with fig. 2, fig. 2 is a schematic diagram of a partially exploded structure of the electronic device 1000 shown in fig. 1A.

In some embodiments, the housing arrangement 100 comprises a first housing 11, a second housing 12, a third housing 13, a first spindle assembly 2, a second spindle assembly 3, and a connecting arrangement 4.

Wherein the first shaft assembly 2 may be connected between the first housing 11 and the second housing 12. The first rotating shaft assembly 2 can deform so that the first shell 11 and the second shell 12 can be relatively folded from an open state to a first closed state and relatively unfolded from the first closed state to the open state; i.e. the first housing 11 and the second housing 12 can be relatively unfolded or relatively folded by the first spindle assembly 2. The second shaft assembly 3 may be connected between the second housing 12 and the third housing 13. The second shaft assembly 3 may also be deformed to enable the second housing 12 and the third housing 13 to be relatively folded from the first closed state to the second closed state and relatively unfolded from the second closed state to the first closed state. The screen 200 can move along with the first shell 11, the first rotating shaft assembly 2, the second shell 12, the second rotating shaft assembly 3 and the third shell 13, so that the expansion and the folding are realized; i.e. the second housing 12 and the third housing 13 can be relatively unfolded or relatively folded by the second spindle assembly 3. It should be understood that when the electronic device 1000 is in the open state, the screen 200, the housing apparatus 100, and the components of the housing apparatus 100 are correspondingly in the open state; when the electronic device 1000 is in the first closed state, the screen 200, the housing device 100, and the components of the housing device 100 are correspondingly in the first closed state; when the electronic device 1000 is in the second closed state, the screen 200, the housing apparatus 100, and the components of the housing apparatus 100 are correspondingly in the second closed state.

When the electronic device 1000 is in the open state, the first housing 11 and the second housing 12 are in the open state, the second housing 12 and the third housing 13 are in the open state, the angles between the first housing 11 and the second housing 12, and between the second housing 12 and the third housing 13 can be approximately 180 °, and the first housing 11, the second housing 12 and the third housing 13 are flattened, so that the screen 200 is in a flattened form. In other embodiments, the angle between the first housing 11 and the second housing 12, and/or the angle between the second housing 12 and the third housing 13 may be slightly different from 180 ° when the electronic device 1000 is in the open state, for example 165 °, 177 °, 185 °, or the like, which also considers that the first housing 11, the second housing 12, and the third housing 13 are flattened. The angle between the first housing 11 and the second housing 12 is defined as an angle between an upper side of the first housing 11 and an upper side of the second housing 12, and the angle between the second housing 12 and the third housing 13 is defined as an angle between an upper side of the second housing 12 and an upper side of the third housing 13. In the embodiment of the present application, the same direction as the light emitting direction of the screen 200 is defined as "up", and the opposite direction to the light emitting direction of the screen 200 is defined as "down".

When the electronic device 1000 is in the first closed state, the first housing 11 and the second housing 12 are in an open state, the second housing 12 and the third housing 13 are in a folded state, an included angle between the first housing 11 and the second housing 12 may be approximately 0 °, the first housing 11 and the second housing 12 are relatively folded, an included angle between the second housing 12 and the third housing 13 may be approximately 180 °, the second housing 12 and the third housing 13 are flattened, and the screen 200 is in a folded state.

When the electronic device 1000 is in the second closed state, the first housing 11 and the second housing 12 are in a folded state, the second housing 12 and the third housing 13 are in a folded state, an included angle between the first housing 11 and the second housing 12 may be approximately 0 °, an included angle between the second housing 12 and the third housing 13 may be approximately 0 °, and the screen 200 may be in a folded state.

It should be understood that the first housing 11, the second housing 12, and the third housing 13 are housing members for mounting and fixing other components of the electronic device 1000, and have various structures, and the embodiment of the present application only briefly illustrates part of the structures of the first housing 11, the second housing 12, and the third housing 13, and is also simplified in the drawings, and the embodiment of the present application does not strictly limit the specific structures of the first housing 11, the second housing 12, and the third housing 13.

In some embodiments, the first housing 11 may include a first middle frame connected to one side of the first rotating shaft assembly 2 and a first rear cover located below and fixedly connected to the first middle frame. The first rear cover forms a part of an exterior of the electronic device 1000. The first rear cover may be a protective cover plate for protecting the devices located inside the first housing 11, and also for presenting a partial appearance of the electronic device 1000, for example. In other embodiments, the first back cover may also include a transparent cover plate and a display screen to implement a display function and/or a touch function.

The second housing 12 may include a second middle frame connected to the other side of the first rotating shaft assembly 2, and a second rear cover located below and fixedly connected to the second middle frame. The second back cover forms a part of the exterior piece of the electronic device 1000. The second rear cover may be a protective cover plate for protecting components located inside the second housing 12, and also for presenting a partial appearance of the electronic device 1000, for example. In other embodiments, the second back cover may also include a transparent cover plate and a display screen to implement a display function and/or a touch function.

The third housing 13 may include a third middle frame connected to the other side of the first rotating shaft assembly 2 and a third rear cover located below and fixedly connected to the third middle frame. The third rear cover forms a part of the exterior of the electronic device 1000. The third rear cover may be a protective cover plate for protecting the components located inside the third housing 13, and also for presenting a partial appearance of the electronic device 1000, for example. In other embodiments, the third back cover may also include a transparent cover plate and a display screen to implement a display function and/or a touch function.

At least one of the first middle frame, the second middle frame and the third middle frame may include a metal portion and a plastic portion, and are integrally formed by an in-mold (IMD) molding method. When at least one of the first rear cover, the second rear cover and the third rear cover is a protective cover plate, glass material or metal material may be used, which is not strictly limited in the present application.

The first middle frame, the second middle frame and the third middle frame all include a frame portion and a middle plate portion, the frame portion forms a part of an appearance piece of the electronic device 1000, the middle plate portion is located at an inner side of the frame portion, and the middle plate portion may be provided with a plurality of mounting structures such as protrusions and grooves and is used for being matched with other components of the electronic device 1000, so that other parts are mounted on at least one middle frame of the first middle frame, the second middle frame and the third middle frame.

In the application, the first rotating shaft assembly 2 is connected with the first shell 11 and the second shell 12, and through the structural design of the first rotating shaft assembly 2, the first shell 11 and the second shell 12 can be flattened when the electronic equipment 1000 is in an open state, and can provide a flat supporting environment for the screen 200 together with the first rotating shaft assembly 2, and can also be folded when the electronic equipment 1000 is in a first closed state and a second closed state, and can provide a good screen accommodating space for the screen 200 together with the first rotating shaft assembly 2, so that the screen 200 of the electronic equipment 1000 can meet the large screen display requirement and the folding accommodating requirement, and the screen 200 has less risk of damage and higher reliability.

The second rotating shaft assembly 3 is connected with the second shell 12 and the third shell 13, through the structural design of the second rotating shaft assembly 3, the second shell 12 and the third shell 13 can be flattened when the electronic equipment 1000 is in an open state, a flat supporting environment is provided for the screen 200 together with the second rotating shaft assembly 3, the electronic equipment 1000 can be folded when in a second closed state, and a good screen accommodating space is provided for the screen 200 together with the second rotating shaft assembly 3, so that the screen 200 of the electronic equipment 1000 can meet the large screen display requirement and the folding storage requirement, and the screen 200 is less in risk of damage and higher in reliability.

Wherein, the connecting device 4 is connected between the first rotating shaft assembly 2 and the second rotating shaft assembly 3, and can move relative to the first rotating shaft assembly 2 and the second rotating shaft assembly 3 to control the movement of the second rotating shaft assembly 3, so that the shell device 100 is folded according to a certain sequence. In the present application, due to the size design of the first shaft assembly 2 and the second shaft assembly 3, the housing device 100 needs to fold the electronic device 1000 in the order of folding the first housing 11 and then folding the third housing 13, so that the third housing 13, the first housing 11 and the second housing 12 are sequentially stacked and are stressed equally, thereby avoiding the first shaft assembly 2 and the second shaft assembly 3 from being pressed or pulled to damage the structures thereof, and enabling the first shaft assembly 2 and the second shaft assembly 3 to have long service life and high reliability.

The sizing of the first shaft assembly 2 and the second shaft assembly 3 is exemplified below.

Referring to fig. 3A to fig. 3C in combination, fig. 3A is a schematic structural view of the housing device 100 shown in fig. 1A at another angle, fig. 3B is a schematic structural view of the housing device 100 shown in fig. 1B at another angle, and fig. 3C is a schematic structural view of the housing device 100 shown in fig. 1C at another angle.

In the present embodiment, the plane on which the upper end of the second housing 12 is located is defined as a reference plane, and the direction perpendicular to the reference plane is defined as the thickness direction of the housing device 100. Wherein the upper end of the second housing 12 may be at the end of the bead structure or a flat upper surface. When the housing device 100 is in the open state, the first housing 11 and the second housing 12 are in the open state, the second housing 12 and the third housing 13 are in the open state, the upper ends of the first housing 11 and the third housing 13 are flush with the upper end of the second housing 12, and the upper ends of the first housing 11 and the third housing 13 are also located in the reference plane. When the housing device 100 is in the first closed state, the upper end of the first housing 11 may be close to the upper end of the second housing 12, where the plane of the upper end of the first housing 11 is parallel to the reference plane. When the housing device 100 is in the second closed state, the upper end of the third housing 13 may be close to the lower end of the first housing 11, where the plane of the upper end of the third housing 13 is parallel to the reference plane.

In the present embodiment, the first shaft assembly 2 has the first appearance surface 300 and defines the maximum dimension of the first appearance surface 300 in the thickness direction as a first thickness, and the second shaft assembly 3 has the second appearance surface 400 and defines the maximum dimension of the second appearance surface 400 in the thickness direction as a second thickness. When the housing device 100 is in the open state, the first housing 11 and the second housing 12 jointly cover the first appearance surface 300 of the first rotating shaft assembly 2, and the second housing 12 and the third housing 13 jointly cover the second appearance surface 400 of the second rotating shaft assembly 3. When the housing device 100 is in the first closed state and the second closed state, the first exterior surface 300 of the first shaft assembly 2 is exposed to the first housing 11 and the second housing 12, the first exterior surface 300 forms a part of an exterior of the housing device 100, and when the housing device 100 is in the second closed state, the second exterior surface 400 of the second shaft assembly 3 is exposed to the second housing 12 and the third housing 13, and the second exterior surface 400 forms a part of an exterior of the electronic apparatus 1000.

As shown in fig. 1C and 3C, the first thickness of the first appearance surface 300 of the first shaft assembly 2 is smaller than the second thickness of the second appearance surface 400 of the second shaft assembly 3, and the second thickness of the second appearance surface 400 is substantially equal to the sum of the dimensions of the first housing 11, the second housing 12, and the third housing 13 in the thickness direction. Therefore, if the third housing 13 is folded before the first housing 11 is folded, there is no first housing 11 support between the third housing 13 and the second housing 12, and the second shaft assembly 3 is difficult to support the third housing 13 alone and is subjected to excessive pressure, thereby damaging the second shaft assembly 3. In addition, if the third housing 13 is folded first and then the first housing 11 is folded, the third housing 13 is added between the first housing 11 and the second housing 12, so that the first shaft assembly 2 is subjected to an excessive tensile force and the screen 200 is subjected to an excessive compressive force, thereby damaging the first shaft assembly 2 and the screen 200.

Therefore, in the present embodiment, based on the dimensional designs of the first and second hinge assemblies 2 and 3, when folding the electronic apparatus 1000, it is necessary to fold the first housing 11 first and then the third housing 13 in this order. It will be appreciated that in other embodiments, by adjusting the size of the first and second spindle assemblies 2 and 3 or designing the structures of the first and second spindle assemblies 2 and 3, the third housing 13 may be folded first and then the first housing 11 may be folded, and the first housing 11 and the third housing 13 may be folded simultaneously when the electronic device 1000 is folded, which is not limited in the present application.

The structures of the first shaft assembly 2, the second shaft assembly 3 and the connecting device 4, and the connection structure therebetween will be described in detail.

The following exemplifies the implementation structure of the first shaft assembly 2.

Referring to fig. 4, 5 and 6 in combination, fig. 4 is a schematic structural view of the first shaft assembly 2 shown in fig. 2, fig. 5 is a schematic structural view of the first shaft assembly 2 shown in fig. 4 in a first closed state, and fig. 6 is a schematic partially exploded structural view of the first shaft assembly 2 shown in fig. 4.

In some embodiments, the first shaft assembly 2 includes a main shaft 21, a first support 22, a second support 23, and a connection assembly 24. Wherein the main shaft 21 and the connecting assembly 24 together form the main movement mechanism of the first spindle assembly 2. In the embodiment of the present application, two ends close to the main shaft 21 are defined as a top end and a bottom end, respectively, and a direction from the top end to the bottom end of the main shaft 21 is an extension direction of the main shaft 21; the orientation near the top end of the main shaft 21 is defined as "top", and the orientation near the bottom end of the main shaft 21 is defined as "bottom".

Illustratively, the connecting assembly 24 is coupled to the main shaft 21 and is capable of being deformed to unfold or fold relative to the main shaft 21. The connecting assembly 24 is further connected between the first housing 11 and the second housing 12 (see fig. 2), and when the connecting assembly 24 is deformed relative to the main shaft 21, the first housing 11 and the second housing 12 are deformed relative to the main shaft 21 to be relatively unfolded or relatively folded.

Wherein the first support member 22 and the second support member 23 are respectively connected to two sides of the connecting assembly 24. The first support 22 and the second support 23 move with the connection assembly 24 to achieve relative unfolding and relative folding. As shown in fig. 4, in the process of unfolding the first rotating shaft assembly 2 from the closed state to the open state, the first supporting member 22 and the second supporting member 23 are unfolded relatively, the first supporting member 22 and the second supporting member 23 are respectively located at two sides of the main shaft 21, and the first supporting member 22, the main shaft 21 and the second supporting member 23 are used for providing a flat supporting environment together. As shown in fig. 5, in the process of folding the first rotating shaft assembly 2 from the open state to the closed state, the first supporting member 22 and the second supporting member 23 are folded relatively, the first supporting member 22 and the second supporting member 23 are located on the same side of the main shaft 21, the distance between the first supporting member 22 and the second supporting member 23 increases in the direction approaching to the main shaft 21, and the first supporting member 22, the second supporting member 23 and the main shaft 21 together form the screen accommodating space 210. At this time, the shape of the Rong Bing space 210 may take on a water droplet shape or a water droplet-like shape.

In the embodiment of the present application, the first shaft assembly 2 has one connection assembly 24 as an example, it should be understood that in other embodiments, the first shaft assembly 2 may have more connection assemblies 24, the connection assemblies 24 may be split or combined, and the structures of the plurality of connection assemblies 24 may be the same or different, which is not strictly limited in the embodiment of the present application.

The structures of the respective components of the main shaft 21 and the coupling assembly 24 and the coupling structure of the coupling assembly 24 and the main shaft 21 in some embodiments provided by the present application will be described below with reference to the accompanying drawings.

Referring to fig. 6, fig. 7A and fig. 7B in combination, fig. 7A is an exploded view of the spindle 21 shown in fig. 6, and fig. 7B is a view of the spindle 21 shown in fig. 7A at another angle. The view angle in fig. 7B is inverted from the view angle in fig. 7A.

In some embodiments, the main shaft 21 includes a main support plate 211, a cover 212, and a back cover 213, wherein the cover 212 is fixed on the main support plate 211, and forms an installation space with the main support plate 211 for installing the connection assembly 24, and the back cover 213 is located on a side of the cover 212 facing away from the main support plate 211, and is fixedly connected with the main support plate 211, so as to form an exterior surface of the electronic device 1000, and function to protect the main support plate 211 and the cover 212. In the present application, the size of the cover 212 may be smaller than the back cover 213 to reduce the cost. In addition, the cover 212 and the back cover 213 are in a split design, so that the cover is convenient to process, assemble and replace. In other embodiments, the cover 212 and the back cover 213 may be integrally formed, which is not limited in the present application. It should be appreciated that in other embodiments, the spindle 21 may have more covers, and the number, configuration, location, etc. of covers may be provided corresponding to the connection assembly 24.

Illustratively, as shown in FIG. 7B, the main support plate 211 is provided with a plurality of mating structures toward the underside of the housing 212 for mating with the housing 212 to form a plurality of mounting spaces for mounting the connection assemblies 24. The plurality of mating structures may include grooves, openings, protrusions, and the like. By way of example, the main support plate 211 may include a first cambered surface 2111 and a first wavy surface 2112. The first arc surface 2111 may be a concave arc surface. The first wavy surface 2112 may include a plurality of regions arranged along the extending direction of the main shaft 21, each region including a plurality of concave cambered surfaces, and the arrangement direction of the plurality of cambered surfaces being perpendicular to the extending direction of the main shaft 21.

As shown in fig. 7B, the main support plate 211 may be provided with a limiting hole 2113, a plurality of avoidance notches 2114, and a plurality of fastening holes 2115. The limiting holes 2113 are located at the end of the main support plate 211 for cooperating with limiting structures of the mask body to define the mounting position of the mask body 212 relative to the main support plate 211; the plurality of avoidance notches 2114 are located on two sides of the main support plate 211, and the plurality of avoidance notches 2114 are used for avoiding structural members of the connection assembly 24 during the movement of the first shaft assembly 2. A plurality of fastening holes 2115 are used to allow fasteners to pass through. The plurality of avoidance notches 2114 and the plurality of fastening holes 2115 are all distributed at the bottom, middle and top of the main support plate 211.

For example, as shown in FIG. 7A, the cover 212 may be generally a concave-in-the-middle, two-sided, raised cover structure. A plurality of relief notches 2121 may be provided on both sides of the housing 212. The cover 212 is provided toward the upper side of the main support plate 211 with a plurality of fitting structures for fitting with the main support plate 211 to form a plurality of installation spaces for installing the connection assemblies 24. The plurality of mating structures may include grooves, openings, protrusions, and the like. For example, the cover 212 may include a second cambered surface 2122 and a second wavy surface 2123. The second cambered surface 2122 is a concave cambered surface; the second wave surface 2123 includes a plurality of regions, each region including a plurality of concave cambered surfaces. The second cambered surface 2122 may cooperate with the first cambered surface 2111 of the main support plate 211, and the second wavy surface 2123 may cooperate with the first wavy surface 2112 of the main support plate 211 to form an installation space.

Wherein, as shown in fig. 7A, the cover 212 may be fixedly connected to the main support plate 211 by a plurality of fasteners. The cover 212 may also be provided with a plurality of fastening holes 2124. The plurality of fastening holes 2124 of the cover 212 are coupled to the portion of the fastening holes 2115 of the Ji Zhuzhi support plate 211, and the plurality of fastening members are inserted into the fastening holes 2124 of the cover 212 and the fastening holes 2115 of the main support plate 211 to lock the cover 212 to the main support plate 211.

As shown in fig. 7A, the cover 212 may further be provided with a stop post 2125, where the stop post 2125 extends into the stop hole 2113 of the cover 212 to limit the mounting position of the cover 212 relative to the main support plate 211 for the stop hole 2113 of the Ji Zhuzhi support plate 211.

While the spindle 21 has one cover 212 in the embodiment of the present application is illustrated, it should be understood that in other embodiments, the spindle 21 may have more covers, the structures of the covers and the connection structures of the covers and the main supporting plate 211 may be the same or different, which is not strictly limited.

Referring to fig. 6, 8 and 9 in combination, fig. 8 is a schematic structural view of the connection assembly 24 shown in fig. 6, and fig. 9 is a partially exploded schematic structural view of the connection assembly 24 shown in fig. 8.

In some embodiments, the connecting assembly 24 includes a first mount 241, a second mount 242, a first connecting arm 243, a second connecting arm 244, a first swing arm 245, a second swing arm 246, and a damping assembly 247. Both ends of the first connecting arm 243 are connected to the main shaft 21 and the first fixing frame 241, respectively. Both ends of the first swing arm 245 are respectively connected with the main shaft 21 and the first fixing frame 241. Both ends of the second connecting arm 244 are connected to the main shaft 21 and the second fixing frame 242, respectively. Two ends of the second swing arm 246 are respectively connected with the main shaft 21 and the second fixing frame 242. The damping assembly 247 is mounted to the main shaft 21 and connects the first swing arm 245 and the second swing arm 246. The damping assembly 247 is used to provide a motion damping force during relative rotation of the first swing arm 245 and the second swing arm 246.

The connection assembly 24 may further include a first shaft 2481 and a second shaft 2482, wherein the first shaft 2481 is used for connecting the first connection arm 243 and the first fixing frame 241, and the second shaft 2482 is used for connecting the second connection arm 244 and the second fixing frame 242, and specific connection structures are described below.

Referring to fig. 10A, fig. 10A is a schematic structural diagram of the first fixing frame 241 shown in fig. 9.

In some embodiments, the first mount 241 has a first pivot hole 2411, a first relief notch 2412, a first sliding channel 2413, a first arcuate channel 2414, and a plurality of fastening holes 2415. Wherein a plurality of fastening holes 2415 are used to allow the fastening members to pass therethrough and fixedly coupled with the first housing 11 by the fastening members. The fastening holes 2415 are all distributed at the bottom, middle and top of the first fixing frame 241.

Illustratively, the first mount 241 further includes a first rotational connection 2416. The first rotation shaft hole 2411 is formed in the first rotation connection portion 2416. The first bypass indentation 2412 may be located on one side of the first rotational connection 2416 for bypassing a portion of the mechanism coupled to the first rotational connection 2416.

The first fixing frame 241 further includes an installation space, the installation space penetrates through the left end face and the right end face of the first fixing frame 241, the first sliding groove 2413 is arranged on the side wall of the installation space, and the structure installed in the installation space is in sliding connection with the first sliding groove 2413.

Illustratively, the first sliding groove 2413 has two oppositely disposed sidewalls that are recessed to cooperatively form a guide space of the first sliding groove 2413. That is, the side wall of the first sliding groove 2413 may have a recessed guiding space for guiding the sliding direction of the structural member mounted on the first sliding groove 2413, so that the relative sliding action between the first fixing frame 241 and the corresponding structural member is easier to be realized, and the control precision is higher.

The number of the first arc grooves 2414 is two, and the two first arc grooves 2414 are formed at the bottom end and the top end of the first fixing frame 241, respectively. Wherein, one side of the first arc-shaped groove 2414 located at the bottom end of the first fixing frame 241 may extend to the bottom end surface of the first fixing frame 241, and one side of the first arc-shaped groove 2414 located at the top end of the first fixing frame 241 may extend to the top end surface of the first fixing frame 241. In other embodiments, the number of the first arc-shaped grooves 2414 may be one, and formed at the bottom end or the top end of the first fixing frame 241.

The first fixing frame 241 may further include a first clamping block 2417, where the first clamping block 2417 is disposed in a protruding manner for clamping into the first housing 11. The first clamping block 2417 may be provided with a fastening hole 2418. In the present application, the first fixing frame 241 may pass through the fastening hole 2418 by a fastening member to be fixed to the first housing 11.

Referring to fig. 10B, fig. 10B is a schematic view of the second fixing frame 242 shown in fig. 9 at another angle.

In some embodiments, the second fixing frame 242 has a second rotation shaft hole 230, a second avoidance gap 2422, a second sliding groove 2423, a second arc-shaped groove 2424, and a plurality of fastening holes 2425.

Illustratively, the second mount 242 includes a second rotational connection 2426. The second rotation shaft hole 230 is formed at the second rotation connection part 2426. The second escape indentation 2422 may be located on one side of the second rotational connection 2426 for escaping a portion of the structure of the mechanism coupled to the second rotational connection 2426.

The second fixing frame 242 further includes an installation space, the installation space penetrates through the left end face and the right end face of the second fixing frame 242, the second sliding groove 2423 is disposed on the side wall of the installation space, and the structure installed in the installation space is slidably connected with the second sliding groove 2423.

Wherein the second sliding groove 2423 has two opposite side walls, and the two opposite side walls are recessed to form a guiding space of the second sliding groove 2423 together. That is, the side wall of the second sliding groove 2423 may have a recessed guiding space for guiding the sliding direction of the structural member mounted on the second sliding groove 2423, so that the relative sliding action between the second fixing frame 242 and the corresponding structural member is easier to be realized, and the control precision is higher.

The number of the second arc grooves 2424 is two, and the two second arc grooves 2424 are respectively formed at the bottom end and the top end of the second fixing frame 242. Wherein, one side of the second arc-shaped groove 2424 at the bottom end of the second fixing frame 242 may extend to the bottom end surface of the second fixing frame 242, and one side of the second arc-shaped groove 2424 at the top end of the second fixing frame 242 may extend to the top end surface of the second fixing frame 242. In other embodiments, the number of the second arc grooves 2424 may be one, and formed at the bottom or top of the second fixing frame 242. The plurality of fastening holes 2415 are for allowing the fasteners to pass therethrough and fixedly coupled with the second housing 12 by the fasteners. The fastening holes 2425 are distributed at the bottom, middle and top of the second fixing frame 242.

Illustratively, the second fixing frame 242 may further include a second clamping block 2427, where the second clamping block 2427 is arranged to be protruded for clamping into the second housing 12. The second clamping block 2427 may be provided with a fastening hole 24271. In the present application, the second fixing frame 242 may pass through the plurality of fastening holes 24271 by a plurality of fasteners to be fixed to the second housing 12.

Referring to fig. 11A, fig. 11A is a schematic structural view of the first connecting arm 243 shown in fig. 9.

In some embodiments, the first connecting arm 243 includes a first end 2431 and a second end 2432, and the first end 2431 and the second end 2432 are both rotational ends. Illustratively, the first end 2431 of the first connecting arm 243 is an arcuate arm; the second end 2432 of the first connecting arm 243 is provided with a rotation shaft hole 2434.

The first connecting arm 243 further includes a connecting section 2433 connected between the first end 2431 and the second end 2432. Illustratively, the upper surface of the connecting segment 2433 can be bent relative to the upper surface of the second end 2432 of the first connecting arm 243. Sliding lugs 2435 are arranged on two sides of the connecting section 2433. The arrangement of the connecting section 2433 makes the structural design of the first connecting arm 243 more flexible, and can better meet the connection requirements and shape requirements of the connecting assembly 24 and the first rotating shaft assembly 2.

The first connecting arm 243 may be an integrally formed structural member, so as to have a high structural strength. The first connecting arm 243 may be formed by a computer numerical control (computer numerical control, CNC) milling process, for example. In other embodiments, the first connecting arm 243 may be formed by a metal injection molding process, which is not strictly limited in the embodiments of the present application.

Referring to fig. 11B, fig. 11B is a schematic structural view of the second connecting arm 244 shown in fig. 9.

In some embodiments, the second connecting arm 244 includes a first end 2441 and a second end 2442, the first end 2441 and the second end 2442 being rotational ends. Illustratively, the first end 2441 of the second connecting arm 244 is an arcuate arm; the second end 2442 of the second connecting arm 244 is provided with a rotation shaft hole 2444.

Wherein the second connecting arm 244 further comprises a connecting section 2443 connected between the first end 2441 and the second end 2442. Illustratively, the upper surface of the connecting section 2443 can be bent relative to the upper surface of the second end 2442 of the second connecting arm 244. Sliding lugs 2445 are arranged on two sides of the connecting section 2443. The arrangement of the connecting section 2443 makes the structural design of the second connecting arm 244 more flexible, and can better meet the connection requirements and shape requirements of the connecting assembly 24 and the first rotating shaft assembly 2.

The second connecting arm 244 may be an integrally formed structural member, so as to have high structural strength. The second connecting arm 244 may be formed by a computer numerical controlled milling process, for example. In other embodiments, the second connecting arm 244 may also be formed using a metal injection molding process, which is not strictly limited in the embodiments of the present application.

In some embodiments, the shape of the first connecting arm 243 may be the same as the shape of the second connecting arm 244, so as to use the same material, save the material types of the first spindle assembly 2, and reduce the cost of the first spindle assembly 2. In other embodiments, the shape of the first connecting arm 243 may be different from the shape of the second connecting arm 244, which is not strictly limited in the embodiments of the present application.

Referring to fig. 12A, fig. 12A is a schematic structural diagram of the first swing arm 245 shown in fig. 9.

In some embodiments, the first swing arm 245 includes a rotating end 2451 and a sliding end 2452. The rotating end 2451 of the first swing arm 245 is provided with a rotating shaft hole 2453, and the rotating shaft hole 2453 penetrates through the rotating end 2451 of the first swing arm 245. Wherein the rotating end 2451 of the first swing arm 245 may be provided with structure for mating with the damping assembly 247. For example, the rotational end 2451 of the first swing arm 245 can include a plurality of engagement teeth 2454, a plurality of first protrusions 2455, and a plurality of second protrusions 2459; the plurality of engagement teeth 2454 may be located in a middle portion of the rotating end 2451 of the first swing arm 245 and located on a side of the sliding end 2452 facing away from the first swing arm 245; the first protrusions 2455 and the second protrusions 2459 are disposed opposite to each other at two ends of the rotation end 2451 of the first swing arm 245, the first protrusions 2455 are disposed annularly and spaced apart from each other, the first protrusions 2455 are disposed around the rotation shaft hole 2453 of the rotation end 2451 of the first swing arm 245, the second protrusions 2459 are disposed annularly and spaced apart from each other, and the second protrusions 2459 are disposed around the rotation shaft hole 2453 of the rotation end 2451 of the first swing arm 245.

The sliding end 2452 of the first swing arm 245 includes sliding blocks 2456 and a first fitting space 2457 at both sides of the sliding end, the first fitting space 2457 is located at the middle of the two sliding blocks 2456, and the first fitting space 2457 extends to the upper surface of the first swing arm 245. The first swing arm 245 has a mating surface 2458 facing an upper surface of the first swing arm 245, and the mating surface 2458 is located in the first mating space 2457 and is inclined with respect to the upper surface of the first swing arm 245.

The first swing arm 245 may be an integrally formed structural member, so as to have a high structural strength. Illustratively, the first swing arm 245 may be formed by a metal injection molding process, or by other processes, which embodiments of the present application do not strictly limit.

Referring to fig. 12B, fig. 12B is a schematic view of the second swing arm 246 shown in fig. 9 at another angle.

In some embodiments, second swing arm 246 includes a rotating end 2461 and a sliding end 2462. The rotating end 2461 of the second swing arm 246 is provided with a rotating shaft hole 2463, and the rotating shaft hole 2463 penetrates through the rotating end 2461 of the second swing arm 246. Wherein the pivoting end 2461 of the second swing arm 246 can be provided with structure for mating with the damping assembly 247. For example, the rotating end 2461 of the second swing arm 246 can include a plurality of engagement teeth 2464, a plurality of first protrusions 2465, and a plurality of second protrusions 2469; the plurality of engagement teeth 2464 may be located in the middle of the rotational end 2461 of the second swing arm 246 and on a side facing away from the sliding end 2462 of the second swing arm 246; the first protrusions 2465 and the second protrusions 2469 are disposed opposite to each other at two ends of the rotation end 2461 of the second swing arm 246, the first protrusions 2465 are disposed annularly and spaced apart from each other, the first protrusions 2465 are disposed around the rotation shaft hole 2463 of the rotation end 2461 of the second swing arm 246, the second protrusions 2469 are disposed annularly and spaced apart from each other, and the second protrusions 2469 are disposed around the rotation shaft hole 2463 of the rotation end 2461 of the second swing arm 246.

The sliding end 2462 of the second swing arm 246 includes sliding blocks 2466 and second fitting spaces 2467 at both sides of the sliding end, the second fitting spaces 2467 are located at the middle portions of the two sliding blocks 2466, and the second fitting spaces 2467 extend to the upper surface of the first swing arm 245. The second swing arm 246 has a mating surface 2468 facing the upper surface of the first swing arm 245, the mating surface 2468 being located in the second mating space 2467 and being inclined with respect to the upper surface of the first swing arm 245.

The second swing arm 246 may be an integrally formed structural member, so as to have a high structural strength. By way of example, the second swing arm 246 may be formed by a metal injection molding process, or by other processes, as embodiments of the present application are not strictly limited in this regard.

In some embodiments, the shape of the first swing arm 245 may be the same as the shape of the second swing arm 246, so as to use the same material, save the material types of the first spindle assembly 2, and reduce the cost of the first spindle assembly 2. In other embodiments, the shape of the first swing arm 245 may be different from the shape of the second swing arm 246, which is not strictly limited in the embodiments of the present application.

Referring to fig. 9, 13 and 14 in combination, fig. 13 is a schematic view of the damping assembly 247 of fig. 9 at another angle, and fig. 14 is an exploded schematic view of the damping assembly 247 of fig. 13.

In some embodiments, the damping assembly 247 includes a first detent 2471, a second detent 2472, a plurality of synchronizing gears 2473, a first fixed plate 2474, an elastic member 2475, a second fixed plate 2476, a first adapter shaft 2477, a second adapter shaft 2478, and a plurality of third adapter shafts 2479. In the present embodiment, the number of "the synchronizing gears 2473 is two and the number of the third transfer shafts 2479 is two" are illustrated as an example.

The first latch 2471 includes a first latch plate 24711 and a plurality of first bump sets 24712, wherein the plurality of first bump sets 24712 are fixed on the same side surface of the first latch plate 24711. The first stopper 24711 includes a plurality of first through holes 24713 and a plurality of first through holes 24713 disposed at intervals from each other. The first through holes 24713 can be arranged in a straight line, an arc line, a wavy line or the like. The plurality of first bump sets 24712 are disposed in one-to-one correspondence with the plurality of first through holes 24713. The number of the first through holes 24713 and the number of the first bump sets 24712 may be four. Each of the first bump sets 24712 may include a plurality of first bumps 24714, the plurality of first bumps 24714 are annularly arranged and spaced apart from each other, the plurality of first bumps 24714 are disposed around the first through hole 24713, and a first clamping groove 24715 is formed between two adjacent first bumps 24714. The first positioning member 2471 may be an integrally formed structural member, so as to have higher structural strength.

The second latch 2472 includes a second latch plate 24721 and a plurality of second bump sets 24722, and the plurality of second bump sets 24722 are fixed to the same side surface of the second latch plate 24721. The second detent plate 24721 includes a plurality of second through holes 24723 and a plurality of second through holes 24723 spaced apart from each other. The second bump sets 24722 are disposed in one-to-one correspondence with the second through holes 24723. The number of second through holes 24723 and the number of second bump groups 24722 may be four. Each of the second bump groups 24722 may include a plurality of second bumps 24724, the plurality of second bumps 24724 are annularly arranged and spaced apart from each other, the plurality of second bumps 24724 are disposed around the second through holes 24723, and a second clamping groove 24725 is formed between two adjacent second bumps 24724. The second positioning member 2472 may be an integrally formed structural member, so as to have higher structural strength.

The structure of the second clamping member 2472 may be the same as that of the first clamping member 2471, so as to adopt the same material, reduce the material types of the first rotating shaft assembly 2, and reduce the cost of the first rotating shaft assembly 2. In other embodiments, the structure of the second locking member 2472 can be different from that of the first locking member 2471, which is not strictly limited in the present application.

Wherein, the first bump sets 24712 of the first positioning element 2471 are opposite to the second bump sets 24722 of the second positioning element 2472, and the first bump sets 24712 are in one-to-one correspondence with the second bump sets 24722. For example, in the corresponding first bump set 24712 and second bump set 24722, the first bump 24714 is opposite to the second bump 24724, and the first detent 24715 is opposite to the second detent 24725. In other embodiments, the positions of the first bump 24714 and the second bump 24724 may be staggered or have other positional relationships, and the positions of the first detent 24715 and the second detent 24725 may be staggered or have other positional relationships, which is not strictly limited in the present application.

Illustratively, a plurality of synchronizing gears 2473 are positioned between the first stop 2471 and the second stop 2472, the plurality of synchronizing gears 2473 being in mesh with one another. The synchronizing gears 2473 are each provided with a rotation shaft hole 24731. Each synchronizing gear 2473 can include a plurality of meshing teeth 24732, a plurality of first protrusions 24733, and a plurality of second protrusions 24734. The plurality of engagement teeth 24732 may be located at a middle portion of the synchronizing gears 2473, and the plurality of engagement teeth 24732 of adjacent two synchronizing gears 2473 are engaged with each other. The first protrusions 24733 and the second protrusions 24734 are disposed opposite to each other at two ends of the synchronizing gear 2473, the first protrusions 24733 are annularly arranged and spaced apart from each other, the first protrusions 24733 are disposed around the rotation shaft hole 24731 of the synchronizing gear 2473, the second protrusions 24734 are annularly arranged and spaced apart from each other, and the second protrusions 24734 are disposed around the rotation shaft hole 24731 of the synchronizing gear 2473.

In some use states, the first protrusions 24733 of the synchronizing gear 2473 and the first protrusions 24714 of one of the first protrusion groups 24712 are staggered to form a clamping structure, and the first protrusions 24733 are correspondingly clamped into the first clamping grooves 24715; the second protrusions 24734 of the synchronizing gear 2473 and the second protrusions 24724 of one of the second protrusion groups 24722 are staggered to form a clamping structure, and the second protrusions 24734 are correspondingly clamped into the second clamping grooves 24725. The shape and position of the first protrusions 24733 of the synchronizing gear 2473 are matched with the shape and position of the corresponding first clamping grooves 24715. The shape and position of the plurality of second protrusions 24734 of the synchronizing gear 2473 are adapted to the shape and position of the corresponding plurality of second detent grooves 24725.

The synchronizing gear 2473 may be an integrally formed structural member, so as to have high structural strength. The structures of the plurality of synchronizing gears 2473 may be the same, so that the same material is adopted, the material types of the first rotating shaft assembly 2 are reduced, and the cost of the first rotating shaft assembly 2 is reduced. In other embodiments, the structure of the plurality of synchronizing gears 2473 may be different, and the present application is not limited thereto.

Illustratively, the first securing plate 2474 is located on a side of the first detent 2471 facing away from the second detent 2472. The first fixing plate 2474 includes a plurality of clamping grooves 24741 disposed at intervals, and the clamping grooves 24741 extend to the side surface of the first fixing plate 2474, so that the adapting shafts (2477, 2478, 2479) can be clamped into the clamping grooves 24741 from the side surface of the first fixing plate 2474 to be clamped with the first fixing plate 2474. Wherein, the first fixing plate 2474 may be substantially flat plate-shaped.

Illustratively, the elastic member 2475 is disposed on a side of the second detent 2472 opposite the first detent 2471. The elastic member 2475 includes a plurality of springs 24751. The number of springs 24751 is the same as the number of first through holes 24713. The number of springs 24751 can be four. In other embodiments, the elastic member 2475 may be made of an elastic material such as elastic rubber, which is not strictly limited in the present application.

Illustratively, the second securing plate 2476 is positioned on a side of the resilient member 2475 facing away from the second detent 2472. Second securing plate 2476 can be in a plate structure. The second fixing plate 2476 includes a plurality of third through holes 24761 and a plurality of third through holes 24761 spaced apart from each other. For example, the number, arrangement shape, and arrangement pitch of the plurality of first through holes 24713, the plurality of second through holes 24723, and the plurality of third through holes 24761 may be the same. The number of third through holes 24761 can be four.

Illustratively, the top end of the first adapter shaft 2477 is provided with a stop flange 24771, and the outer diameter of the stop flange 24771 is greater than the outer diameter of the main body portion of the first adapter shaft 2477. The bottom of first adapter shaft 2477 is provided with a limit clamping groove 24772, limit clamping groove 24772 is retracted relative to the outer surface of the main body of first adapter shaft 2477, and the diameter of the bottom wall of limit clamping groove 24772 is smaller than the outer diameter of the main body of first adapter shaft 2477.

The first rotating shaft 2477 is inserted into the second fixing plate 2476, one of the springs 24751, the second clamping piece 2472, the first clamping piece 2471 and the first fixing plate 2474. The first adapter shaft 2477 passes through one of the third through holes 24761 of the second fixing plate 2476, an inner space of one of the springs 24751, one of the second through holes 24723 of the second clamping member 2472, one of the first through holes 24713 of the first clamping member 2471, and one of the clamping grooves 24741 of the first fixing plate 2474. In addition, the limiting flange 24771 of the first adapting shaft 2477 is located at one side of the second fixing plate 2476 opposite to the second clamping member 2472 and abuts against the second fixing plate 2476, and the first fixing plate 2474 is clamped into the limiting clamping groove 24772 of the first adapting shaft 2477, so that the first adapting shaft 2477, the second fixing plate 2476, one of the springs 24751, the second clamping member 2472, the first clamping member 2471 and the first fixing plate 2474 can maintain a relatively fixed positional relationship, and the spring 24751 is in a compressed state. The bottom end of the first adapting shaft 2477 can be fixedly connected with the first fixing plate 2474 by welding or bonding.

Illustratively, a top end of the second adapter shaft 2478 is provided with a limit flange 24781, and an outer diameter of the limit flange 24781 is greater than an outer diameter of the main body portion of the second adapter shaft 2478. The bottom of second switching axle 2478 is equipped with spacing draw-in groove 24782, and spacing draw-in groove 24782 contracts in relative the surface of the main part of second switching axle 2478, and the diameter of spacing draw-in groove 24782's tank bottom wall is less than the external diameter of the main part of second switching axle 2478. The structure of the second adapting shaft 2478 may be the same as that of the first adapting shaft 2477, so as to adopt the same material, reduce the material types of the first adapting shaft assembly 2, and reduce the cost of the first adapting shaft assembly 2. In other embodiments, the structure of the second adapter shaft 2478 may also be different from that of the first adapter shaft 2477, which is not strictly limited by the present application.

The second adapting shaft 2478 is inserted into the second fixing plate 2476, the other spring 24751, the second clamping piece 2472, the first clamping piece 2471 and the first fixing plate 2474. The second adapter shaft 2478 passes through the other third through hole 24761 of the second fixing plate 2476, the inner space of the other spring 24751, the other second through hole 24723 of the second clamping member 2472, the other first through hole 24713 of the first clamping member 2471, and the other clamping groove 24741 of the first fixing plate 2474. And, the limit flange 24781 of the second adapting shaft 2478 is located at one side of the second fixing plate 2476 opposite to the second clamping piece 2472 and abuts against the second fixing plate 2476, and the first fixing plate 2474 is clamped into the limit clamping groove 24782 of the second adapting shaft 2478, so that the second adapting shaft 2478, the second fixing plate 2476, the other spring 24751, the second clamping piece 2472, the first clamping piece 2471 and the first fixing plate 2474 can maintain a relatively fixed positional relationship, and the spring 24751 is in a compressed state. The bottom end of the second adapting shaft 2478 can be fixedly connected with the first fixing plate 2474 by welding or bonding.

Illustratively, a top end of third adapter shaft 2479 is provided with a stop flange 24791, and an outer diameter of stop flange 24791 is greater than an outer diameter of a main body portion of third adapter shaft 2479. The bottom of third adapter shaft 2479 is provided with a limit clamping groove 24792, limit clamping groove 24772 is retracted relative to the outer surface of the main body of third adapter shaft 2479, and the diameter of the bottom wall of limit clamping groove 24792 is smaller than the outer diameter of the main body of third adapter shaft 2479. The structure of the third transferring shaft 2479 may be the same as that of the first transferring shaft 2477, so as to adopt the same material, reduce the material types of the first transferring shaft assembly 2, and reduce the cost of the first transferring shaft assembly 2. In other embodiments, the structure of third adapter shaft 2479 may also be different from the structure of first adapter shaft 2477, which is not strictly limited by the present application.

The number of the third transfer shafts 2479 is the same as that of the synchronizing gears 2473, and the third transfer shafts 2479, the synchronizing gears 2473 and part of the springs 24751 in the elastic members 2475 are arranged in a one-to-one correspondence. The third adapter shaft 2479 is inserted into the second fixing plate 2476, the other spring 24751, the second clamping piece 2472, the synchronous gear 2473, the first clamping piece 2471 and the first fixing plate 2474. The third transferring shaft 2479 passes through the other third through hole 24761 of the second fixing plate 2476, the inner space of the other spring 24751, the other second through hole 24723 of the second clamping member 2472, the rotating shaft hole 24731 of the synchronizing gear 2473, the other first through hole 24713 of the first clamping member 2471 and the other clamping groove 24741 of the first fixing plate 2474. In addition, the limiting flange 24791 of the third adapting shaft 2479 is located at one side of the second fixing plate 2476 opposite to the second clamping member 2472 and abuts against the second fixing plate 2476, and the first fixing plate 2474 is clamped into the limiting clamping groove 24792 of the third adapting shaft 2479, so that the third adapting shaft 2479, the second fixing plate 2476, the other spring 24751, the second clamping member 2472, the first clamping member 2471 and the first fixing plate 2474 can maintain a relatively fixed positional relationship, and the spring 24751 is in a compressed state. The bottom end of the third adapter shaft 2479 can be fixedly connected between the first fixing plates 2474 by welding or bonding.

It is understood that the damping assembly 247 of the present application may have a variety of implementations. For example, in other embodiments, the damping assembly 247 may define the position of the first swing arm 245 and the position of the second swing arm 246 indirectly by defining the position of the synchronizing gear 2473. For example, a clamping structure is formed between the first clamping member 2471 and the second clamping member 2472 and the synchronizing gear 2473, and no clamping structure is formed between the rotating end 2451 of the first swing arm 245 and the rotating end 2461 of the second swing arm 246 and the first clamping member 2471 and the second clamping member 2472. In other embodiments, the damping assembly 247 may not be provided with the second detent 2472, and the first swing arm 245 and the second swing arm 246 may stay at certain positions through the clamping structure between the first detent 2471 and the synchronizing gear 2473, the first swing arm 245 and the second swing arm 246. In other embodiments, the damping assembly 247 may not have a fixing plate, and two ends of the elastic member 2475 may respectively abut against the first clamping member 2471 and the main shaft 21, where the elastic member 2475 is compressed between the first clamping member 2471 and the main shaft 21. In other embodiments, the damping assembly 247 may not have the synchronizing gear 2473 and the third transfer shaft 2479, and the rotating end 2451 of the first swing arm 245 directly engages the rotating end 2461 of the second swing arm 246. The above embodiment is an exemplary structure of the damping assembly 247, and other implementation structures of the damping assembly 247 are possible, which is not strictly limited in the present application.

Referring to fig. 15, fig. 15 is a schematic view of a portion of the structure of the connecting assembly 24 shown in fig. 8, and is combined with the structure of the first swing arm 245 shown in fig. 12A, the structure of the second swing arm 246 shown in fig. 12B, and the structure of the damping assembly 247 shown in fig. 14.

In the present embodiment, the rotation end 2451 of the first swing arm 245, the rotation end 2461 of the second swing arm 246, and the synchronizing gear 2473 are all clamped to the first clamping member 2471 and the second clamping member 2472 to form a clamping structure, so that the first swing arm 245 and the second swing arm 246 can stay at certain positions. In addition, since the relative positional relationship of the components of the damping assembly 247 is stable, the elastic member 2475 is in a compressed state, and the elastic force generated by the elastic member 2475 drives the first clamping member 2471 and the second clamping member 2472 to cooperate to compress the rotating end 2451 of the first swing arm 245, the synchronizing gear 2473 and the rotating end 2461 of the second swing arm 246, so that the clamping structure between the rotating end 2451 of the first swing arm 245, the synchronizing gear 2473 and the rotating end 2461 of the second swing arm 246 and the first clamping member 2471 and the second clamping member 2472 is stable.

When the rotating end 2451 of the first swing arm 245, the rotating end 2461 of the second swing arm 246, and the synchronizing gear 2473 rotate relative to the first clamping member 2471 and the second clamping member 2472, the relative positions of the first protrusions (2455, 2465, 24733) and the first protrusions 24714 change, so that different clamping structures can be formed, and the relative positions of the second protrusions (2458, 2469, 24734) and the second protrusions 24724 change, so that different clamping structures can be formed.

Specifically, when the first swing arm 245 and the second swing arm 246 move relatively, the rotation end 2451 of the first swing arm 245, the synchronization gear 2473, and the rotation end 2461 of the second swing arm 246 need to be converted from one clamping structure to another clamping structure between the first clamping member 2471 and the second clamping member 2472. In the process of switching the clamping structure, the first clamping member 2471 is far away from the second clamping member 2472, the elastic member 2475 is further compressed, and the elastic force generated by the elastic member 2475 forms a motion damping force, so that the first swing arm 245 and the second swing arm 246 can perform relative motion only by a certain driving force. In short, the damping assembly 247 is capable of providing a motion damping force to the relative motion of the first swing arm 245 and the second swing arm 246.

Referring to fig. 16, 17A and 17B in combination, fig. 16 is a schematic diagram illustrating an assembled structure of the connection assembly 24 shown in fig. 8 and the bottom cover 212 and the back cover 213 of the main shaft 21 shown in fig. 7A, fig. 17A is a schematic diagram illustrating a cross-sectional structure of the assembled structure of the connection assembly 24 and the main shaft 21 shown in fig. 6 taken along A1-A1, and fig. 17B is a schematic diagram illustrating the structure of fig. 17A in a first closed state. The section taken along A1-A1 passes through the first mount 241, the first connecting arm 243, the main shaft 21, the second connecting arm 244, and the second mount 242. The positions of A1-A1 in FIG. 6 are the same as the positions of A1-A1 in FIG. 16.

In some embodiments, the first end 2431 of the first connecting arm 243 is rotatably connected to the main shaft 21, and the second end 2432 of the first connecting arm 243 is rotatably connected to the first fixing frame 241. The first end 2441 of the second connecting arm 244 is rotatably connected to the main shaft 21, and the second end 2442 of the second connecting arm 244 is rotatably connected to the second fixing frame 242.

The first end 2431 of the first connecting arm 243 is rotatably connected to the main shaft 21 by a virtual shaft connection method. The bottom rotation shaft 2481 passes through the rotation shaft hole 2434 of the second end 2432 of the first connection arm 243 and passes through the first rotation shaft hole 2411 of the first fixing frame 241 (see fig. 10A) to connect the second end 2432 of the first connection arm 243 and the first fixing frame 241 in a plugging manner, so that the second end 2432 of the first connection arm 243 is rotatably connected to the first fixing frame 241 by a connection manner of a solid shaft.

The first end 2441 of the second connecting arm 244 is rotatably connected to the main shaft 21 by a virtual shaft connection manner. The bottom rotating shaft 2482 passes through the rotating shaft hole 2444 of the second end 2442 of the second connecting arm 244 and passes through the second rotating shaft hole 230 of the second fixing frame 242 (see fig. 10B) to be inserted into the second end 2442 of the second connecting arm 244 and the second fixing frame 242, so that the second end 2442 of the second connecting arm 244 is rotatably connected with the second fixing frame 242 in a solid shaft connection manner.

It will be appreciated that in other embodiments, the first end 2431 of the first connecting arm 243 and/or the first end 2441 of the second connecting arm 244 may be rotatably connected to the main shaft 21 by a solid shaft connection, which is not strictly limited in the present application. In other embodiments, the second end 2432 of the first connecting arm 243 can be rotatably connected to the first fixing frame 241 by a virtual shaft connection manner; and/or, the second end 2442 of the second connecting arm 244 can also be rotatably connected to the second fixing frame 242 by a connection manner of a virtual shaft, which is not limited in the present application.

Referring to fig. 16, 18A and 18B in combination, fig. 18A is a schematic cross-sectional view of the assembled structure of the connecting assembly 24 and the spindle 21 shown in fig. 6 taken along A2-A2, and fig. 18B is a schematic structural view of the structure shown in fig. 18A in a first closed state. The section taken along A2-A2 passes through the first fixing frame 241, the first swing arm 245, the main shaft 21, the second swing arm 246, and the second fixing frame 242. The position of A2-A2 in fig. 6 is the same as the position of A2-A2 in fig. 16.

In some embodiments, the rotational end 2451 of the first swing arm 245, the rotational end 2461 of the second swing arm 246, and the damping assembly 247 are mounted to the spindle 21. The first and second detents 2471, 2472 of the damping assembly 247 are fixed relative to the main shaft 21. The rotating end 2451 of the first swing arm 245 is rotatably connected with the first clamping piece 2471 and the second clamping piece 2472 through the first rotating shaft 2477, so that the main shaft 21 is rotatably connected. The rotating end 2461 of the second swing arm 246 is rotatably connected to the first detent 2471 and the second detent 2472 through the second switching shaft 2478, thereby rotatably connecting the spindle 21. Each of the synchronizing gears 2473 is rotatably coupled to the first and second stoppers 2471 and 2472 via the third transfer shaft 2479, thereby rotatably coupling the main shaft 21.

In the present embodiment, the rotation end 2451 of the first swing arm 245 and the rotation end 2461 of the second swing arm 246 are connected through a plurality of synchronizing gears 2473, so that the rotation angle of the rotation end 2451 of the first swing arm 245 and the rotation angle of the rotation end 2461 of the second swing arm 246 are the same and opposite in direction, so that the rotation actions of the first swing arm 245 and the second swing arm 246 relative to the main shaft 21 are kept synchronous, i.e. are synchronously approaching or separating from each other. That is, the first swing arm 245 and the second swing arm 246 are driven by the damping assembly 247 to rotate synchronously relative to the main shaft 21.

Referring to fig. 16, 19A and 19B in combination, fig. 19A is a schematic cross-sectional view of the assembled structure of the connecting assembly 24 and the spindle 21 shown in fig. 6 taken along A3-A3, and fig. 19B is a schematic structural view of the structure shown in fig. 19A in a first closed state. The section taken along A3-A3 passes through the first fixing frame 241, the first swing arm 245, the main shaft 21, the second swing arm 246, and the second fixing frame 242. The positions of A3-A3 in fig. 6 are the same as the positions of A3-A3 in fig. 16.

In some embodiments, the sliding end 2452 of the first swing arm 245 is slidably mounted in the first sliding groove 2413 of the first fixing frame 241 to slidably connect the first fixing frame 241. The sliding block 2456 of the sliding end 2452 of the first swing arm 245 is partially located in the guiding space of the first sliding groove 2413, and the sliding block 2456 and the guiding space cooperate to guide the sliding direction of the sliding end 2452 of the first swing arm 245 relative to the first fixing frame 241. The sliding end 2462 of the second swing arm 246 is slidably mounted in the second sliding groove 2423 of the second fixing frame 242 to be slidably connected with the second fixing frame 242. The sliding block 2466 of the sliding end 2462 of the second swing arm 246 is partially located in the guiding space of the second sliding groove 2423, and the two cooperate to guide the sliding direction of the sliding end 2462 of the second swing arm 246 relative to the second fixing frame 242.

Referring to fig. 17A to 18B and fig. 20, fig. 20 is a schematic structural view of the connecting assembly 24 and the main shaft 21 shown in fig. 8 in a first closed state.

In the application, two ends (2431, 2432) of a first connecting arm 243 of the connecting assembly 24 are respectively connected with the main shaft 21 and the first fixing frame 241 in a rotating way to form a connecting rod structure, and a rotating end 2451 of the first swing arm 245 is connected with the main shaft 21 in a rotating way and a sliding end 2452 is connected with the first fixing frame 241 in a sliding way to form a connecting rod sliding block structure; the two ends (2441, 2442) of the second connecting arm 244 are respectively rotatably connected with the main shaft 21 and the second fixing frame 242 to form a connecting rod structure, and the rotating end 2461 of the second swing arm 246 is rotatably connected with the main shaft 21 and the sliding end 2462 is slidably connected with the second fixing frame 242 to form a connecting rod sliding block structure. The first fixing frame 241 is used for connecting the first housing 11, and the second fixing frame 242 is used for connecting the second housing 12, so that the connection assembly 24 of the first rotating shaft assembly 2 realizes connection between the first housing 11 and the second housing 12 and the main shaft 21 through a connecting rod structure and a connecting rod sliding block structure.

As shown in fig. 17A, 18A and 16, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are unfolded from the first closed state to the open state by the first rotating shaft assembly 2, the first end 2431 of the first connecting arm 243 is rotated into the main shaft 21, the first end 2441 of the second connecting arm 244 is rotated into the main shaft 21, the sliding end 2452 of the first swing arm 245 slides into the first fixing frame 241, the sliding end 2462 of the second swing arm 246 slides into the second fixing frame 242, and the distances between the first fixing frame 241 and the main shaft 21 and the second fixing frame 242 are smaller.

As shown in fig. 17B, 18B and 20, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the first end 2431 of the first connecting arm 243 partially rotates out of the main shaft 21, the first end 2441 of the second connecting arm 244 partially rotates out of the main shaft 21, the sliding end 2452 of the first swing arm 245 partially slides out of the first fixing frame 241, the sliding end 2462 of the second swing arm 246 partially slides out of the second fixing frame 242, and the distances between the first fixing frame 241 and the second fixing frame 242 and the main shaft 21 are large. Therefore, the first and second housings 11 and 12 can be drawn close to the main shaft 21 by the first and second holders 241 and 242, respectively, in the process that the second and third housings 12 and 13 are in the open state and the first and second housings 11 and 12 are unfolded from the first closed state to the open state by the first and second shaft assemblies 2; in the process that the second shell 12 and the third shell 13 are in the open state, the first shell 11 and the second shell 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the first shell 11 and the second shell 12 are respectively pushed away by the first fixing frame 241 and the second fixing frame 242, so that the first shell 11 and the second shell 12 are far away from the main shaft 21, the structure of the first rotating shaft assembly 2 can be better adapted to the deformation structure of the screen 200, the risk of pulling or pressing the screen 200 is reduced, and the reliability of the screen 200 and the electronic equipment 1000 is improved.

In the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the main shaft 21 is far away from the first fixing frame 241 and the second fixing frame 242, and the rotating end 2451 of the first swing arm 245 and the rotating end 2461 of the second swing arm 246 are respectively connected with the main shaft 21 in a rotating manner through the fixed shafts, so that the sliding end 2452 of the first swing arm 245 and the sliding end 2462 of the second swing arm 246 are far away from the first fixing frame 241 and the second fixing frame 242, respectively, and therefore an avoidance space 2460 can be reserved between the sliding end 2452 of the first swing arm 245 and the first fixing frame 241, and an avoidance space 2460 is reserved between the sliding end 2462 of the second swing arm 246 and the second fixing frame 242 for avoiding part of the structure of the connecting device 4, so that the connecting device 4 can move relative to the first rotating shaft assembly 2.

The main movement mechanism of the first shaft assembly 2 is mainly described above, and the first support 22 and the second support 23 of the first shaft assembly 2 move relatively with the movement of the main movement mechanism. The structure of the first support 22, the structure of the second support 23, and the connection structure of the first support 22 and the second support 23 with the connection assembly 24 are described below with reference to the accompanying drawings.

Referring to fig. 21A, fig. 21A is a schematic view of the first support 22 shown in fig. 6 at another angle.

In some embodiments, the first support 22 includes a first support plate 221, a first rotation block 222, a first guide 223, and a first mating member 224. The first rotation block 222, the first guide 223, and the first engagement piece 224 are fixed to the first support plate 221. For example, the first support plate 221 may be made of a material having a small density and a certain rigidity, such as a carbon fiber material. The first rotating block 222, the first guiding member 223 and the first matching member 224 may be formed by metal injection molding, so as to have high structural strength.

The first rotating block 222 may include a baffle 2221 and a second arc arm 2222, where one side of the second arc arm 2222 is connected to the baffle 2221, and the other side is suspended. The baffle 2221 serves to support the second arc arm 2222 to increase the structural strength of the first rotation block 222. The second arc arm 2222 is fixedly coupled to the first support plate 221.

The first guide 223 is provided with a guide chute 2231. The opening of the guide chute 2231 is located at the end surface of the first guide member 223, so that a structural member mounted on the guide chute 2231 can be embedded into the guide chute 2231 from the opening of the end surface and slide back and forth along the extending direction of the guide chute 2231, thereby playing a limiting role. For example, the extending direction of the guide chute 2231 may be arc-shaped. Of course, the extending direction of the guide chute 2231 may be designed as one or a combination of curves, lines and folding lines.

The first matching piece 224 is inclined relative to the first supporting plate 221, so as to perform inclined matching with other structures to play a limiting role.

It should be understood that the first rotating block 222 is mainly configured to provide a rotating connection structure, and other implementations of the first rotating block 222 are also possible, which is not strictly limited in the present application. The first guide 223 mainly aims at providing a guide chute to guide the movement direction of other structural members, and the present application may be not provided with the first guide 223, or may implement the guiding of the movement direction of the structural members by other structures, which is not strictly limited in the present application. The first engaging member 224 mainly provides an engaging structure to engage with other structures, and the present application may be provided without the first engaging member 224 or may be implemented by other structures, which is not strictly limited in the present application.

Referring to fig. 21B, fig. 21B is a schematic view of the second support 23 shown in fig. 6 at another angle.

In some embodiments, the second support 23 includes a second support plate 231, a second rotating block 232, a second guide 233, and a second mating member 234. The second rotating block 232, the second guide 233, and the second fitting 234 are fixed to the second support plate 231. For example, the second support plate 231 may be made of a material having a small density and a certain rigidity, such as a carbon fiber material. The second rotating block 232, the second guiding member 233 and the second matching member 234 may be integrally formed by a metal injection molding process, so as to have high structural strength.

The second rotating block 232 may include a baffle 2321 and a second arc arm 2322, where one side of the second arc arm 2322 is connected to the baffle 2321, and the other side is suspended. The baffle 2321 is used to support the second arc arm 2322 to increase the structural strength of the first rotation block 222.

Wherein the second guide 233 is provided with a guide chute 2331. The opening of the guiding chute 2331 is located at the end face of the second guiding element 233, so that the structural element mounted on the guiding chute 2331 can be embedded into the guiding chute 2331 from the opening of the end face and slide reciprocally along the extending direction of the guiding chute 2331, thereby playing a limiting role. For example, the extending direction of the guide chute 2331 may be arc-shaped. Of course, the extending direction of the guiding chute 2331 may be designed as one or a combination of curves, lines and folding lines.

The second matching piece 234 is inclined relative to the second supporting plate 231, so as to perform inclined matching with other structures to play a limiting role.

It should be understood that the first rotating block 222 mainly provides a rotating connection structure, and the first rotating block 222 may have other implementation structures, and the two structures may be the same or different, which is not strictly limited in the present application. The second guide 233 is mainly to provide a guide chute to guide the movement direction of other structural members, and the present application can also realize the guide of the movement direction of the structural members by other structures, which is not strictly limited. The second engaging member 234 is mainly provided to provide an engaging structure for engaging with other structures, and the present application may be implemented without the second engaging member 234 or by other structures, which is not strictly limited in the present application.

Referring to fig. 22, fig. 22 is an exploded view of the first shaft assembly 2 of fig. 4 in another angular configuration. The view of fig. 22 is flipped left and right relative to the view of fig. 4.

For example, the number of the first rotating blocks 222 of the first support 22 may be two, which are respectively located at the top end and the bottom end of the first support 22. The two first rotating blocks 222 are used for being respectively matched with the two first arc-shaped grooves 2414 of the first fixing frame 241. The number of the second rotating blocks 232 of the second supporting member 23 may be two, which are respectively located at the top and bottom ends of the second supporting member 23. The two second rotating blocks 232 are configured to be respectively engaged with the two second arc-shaped grooves 2424 of the second fixing frame 242. It is understood that the two first rotating blocks 222 of the first supporting member 22 may have the same structure, and the two second rotating blocks 232 of the second supporting member 23 may have the same structure, so as to simplify the cost, and the present application is described by taking the first rotating block 222 located at the top end of the first supporting member 22 and the second rotating block 232 located at the top end of the second supporting member 23 as an example.

Furthermore, in other embodiments, the number of the first rotating blocks 222 of the first support 22 and/or the number of the second rotating blocks 232 of the second support 23 may be one to simplify the connection structure. Alternatively, the number of the first rotating blocks 222 of the first support 22 and/or the number of the second rotating blocks 232 of the second support 23 may be more than two to increase the connection strength between the first support 22 and the first fixing frame 241 and/or between the second support 23 and the second fixing frame 242, which is not limited in the present application.

For example, the number of the first guides 223 of the first support 22 may be two, the two first guides 223 are spaced apart, and the guide runners 2231 of the two first guides 223 are disposed opposite to each other, so that the sliding protrusions 2435 at both sides of the first connecting arm 243 are respectively mounted to the guide runners 2231 of the two first guides 223. The number of the second guide members 233 of the second supporting member 23 may be two, the two second guide members 233 are spaced apart, and the guide sliding grooves 2331 of the two second guide members 233 are disposed opposite to each other, so that the sliding protrusions 2445 on both sides of the second connecting arm 244 are respectively mounted on the guide sliding grooves 2331 of the two second guide members 233. It will be appreciated that in other embodiments, the number of first guides 223 of the first support 22, and/or the number of second guides 233 of the second support 23 may be one, to simplify the connection structure. Alternatively, the number of the first guides 223 of the first support 22 and/or the number of the second guides 233 of the second support 23 may be more than two to increase the connection strength between the first support 22 and the first connection arm 243 and/or between the second support 23 and the second connection arm 244, which is not limited in the present application.

Illustratively, the first engaging piece 224 of the first supporting piece 22 is located at the middle of the first supporting plate 221 for engaging with the first engaging space 2457 of the first swing arm 245. The second fitting piece 234 of the second support 23 is located at the middle of the second support plate 231 for fitting with the second fitting space 2467 of the second swing arm 246.

The connection structure between the first support 22 and the first fixing frame 241, the first connection arm 243 and the first swing arm 245, and the connection structure between the second support 23 and the second fixing frame 242, the second connection arm 244 and the second swing arm 246 will be described below with reference to the accompanying drawings.

Referring to fig. 23A and 23B in combination, fig. 23A is a schematic cross-sectional view of the first shaft assembly 2 shown in fig. 4 taken along line A4-A4, and fig. 23B is a schematic view of the structure shown in fig. 23A in a first closed state. The section taken along A4-A4 passes through the first rotating block 222, the first fixing frame 241, the main shaft 21, the second rotating block 232 of the second fixing frame 242, and the second support 23 of the first support 22. The positions of A4-A4 in fig. 4 are the same as the positions of A4-A4 in fig. 6 and 22.

In some embodiments, the second arc arm 2222 of the first rotating block 222 of the first support 22 is mounted on the first arc slot 2414 of the first fixing frame 241, and the first support 22 is rotatably connected to the first fixing frame 241 in a virtual shaft connection manner; i.e. the first support 22 is rotatably connected to the first fixing frame 241. The second arc arm 2322 of the second rotating block 232 of the second supporting element 23 is installed in the first arc slot 2414 of the second fixing frame 242, and the second supporting element 23 is rotationally connected with the second fixing frame 242 in a virtual shaft connection manner; i.e. the second support 23 is rotatably connected to the second fixing frame 242.

Referring to fig. 24A and 24B in combination, fig. 24A is a schematic cross-sectional view of the first shaft assembly 2 shown in fig. 4 taken along A5-A5, and fig. 24B is a schematic view of the structure shown in fig. 24A in a first closed state. The section taken at A5-A5 passes through the first fixing frame 241, the first connection arm 243, the first guide 223 of the first support 22, the main shaft 21, the second guide 233 of the second support 23, the second connection arm 244, and the second fixing frame 242. The positions of A5-A5 in fig. 4 are the same as the positions of A5-A5 in fig. 6 and 22.

In some embodiments, the first connecting arm 243 is slidingly coupled to the first support 22. The sliding protrusion 2435 of the first connection arm 243 is mounted to the guide chute 2231 of the first guide 223 and is capable of sliding in the guide chute 2231 in the extending direction of the guide chute 2231, so that the first connection arm 243 is slidably connected to the first guide 223 and slides in the extending direction of the guide chute 2231, thereby enabling the movement trace of the first support 22 to be controlled by the guide chute 2231 when the first support 22 slides relative to the first connection arm 243. In other embodiments, the first connecting arm 243 may also be slidably connected to the first guide 223 in other manners, which are not limited by the present application.

The second connecting arm 244 is slidably connected to the second support 23. The sliding protrusion 2445 of the second connection arm 244 is mounted to the guide chute 2331 of the second guide 233 and can slide in the guide chute 2331 in the extending direction of the guide chute 2331, so that the second connection arm 244 is slidably connected to the second guide 233 and slides in the extending direction of the guide chute 2331, thereby controlling the movement trace of the second support 23 through the guide chute 2331 when the second support 23 slides relative to the second connection arm 244. In other embodiments, the second connecting arm 244 may also be slidably connected to the second guide 233 in other manners, which are not limited by the present application.

Referring to fig. 24A to 24B in combination, in the present embodiment, the first support 22 is slidably connected to the first connecting arm 243 and rotatably connected to the first fixing frame 241, and the first connecting arm 243 and the first fixing frame 241 together define a movement track of the first support 22; the second supporting member 23 is slidably connected to the second connecting arm 244 and rotatably connected to the second fixing frame 242, and the second connecting arm 244 and the second fixing frame 242 together define a movement track of the second supporting member 23.

Specifically, during the unfolding and folding of the first rotating shaft assembly 2, the first supporting member 22 moves with the first connecting arm 243 and the first fixing frame 241 relative to the main shaft 21, and the first supporting member 22 also moves with respect to the first connecting arm 243 and the first fixing frame 241; the second support 23 moves with the second connecting arm 244 and the second fixing frame 242 relative to the main shaft 21, and the second support 23 also moves with respect to the second connecting arm 244 and the second fixing frame 242.

In the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are unfolded from the first closed state to the open state through the first rotating shaft assembly 2, as shown in fig. 24A and 24B, the second arc-shaped arm 2222 of the first supporting member 22 is partially rotated out of the first arc-shaped groove 2414 of the first fixing frame 241, the sliding protrusion 2435 of the first connecting arm 243 slides to the distal shaft end of the guiding chute 2231 of the first supporting member 22, and the first supporting member 22 is flattened relative to the main shaft 21; the second arc arm 2322 of the second support 23 is partially rotated out of the first arc slot 2414 of the second mount 242, and the sliding tab 2445 of the second connection arm 244 slides to the distal end of the guide chute 2331 of the second support 23, with the second support 23 flattened against the spindle 21.

In the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, as shown in fig. 24A and 24B, the second arc-shaped arm 2222 of the first support member 22 is turned into the first arc-shaped groove 2414 of the first fixing frame 241, the lower surface of the first support member 22 is close to the first fixing frame 241, the sliding bump 2435 of the first connecting arm 243 slides to the proximal shaft end of the guiding chute 2231 of the first support member 22, and the first support member 22 is bent relative to the main shaft 21; the second arc arm 2322 of the second support 23 is turned into the first arc slot 2414 of the second fixing frame 242, the lower surface of the second support 23 is close to the second fixing frame 242, the sliding bump 2445 of the second connecting arm 244 slides to the proximal end of the guiding chute 2331 of the second support 23, and the second support 23 is bent relative to the main shaft 21.

Wherein the first support 22 has a first end 22a remote from the spindle 21 and a second end 22b close to the spindle 21, and the second support 23 has a first end remote from the spindle 21 and a second end close to the spindle 21. In the first closed state, the distance between the first end 22a of the first support 22 and the first end of the second support 23 is smaller than the distance between the second end 22b of the first support 22 and the second end of the second support 23.

Thus, in the first closed state, the first support 22, the main shaft 21 and the second support 23 of the first spindle assembly 2 together enclose a Rong Bing space 210 resembling a water droplet. In addition, at some positions of the first shaft assembly 2, the structural members of the connecting assembly 24 of the first shaft assembly 2 may also cooperate with the first support 22, the main shaft 21 and the second support 23 to jointly surround the more complete water-drop-shaped Rong Bing space 210.

Referring to fig. 25A and 25B in combination, fig. 25A is a schematic cross-sectional view of the first shaft assembly 2 shown in fig. 4 taken along A6-A6, and fig. 25B is a schematic view of the structure shown in fig. 25A in a first closed state. The section taken at A6-A6 passes through the first support 22, the first fixing frame 241, the first swing arm 245, the main shaft 21, the second swing arm 246, the second fixing frame 242, and the second support 23. The positions of A6-A6 in fig. 4 are the same as the positions of A6-A6 in fig. 6 and 22.

Illustratively, the first engaging member 224 of the first supporting member 22 is mounted to the first engaging space 2457 of the first swing arm 245 to engage with the structure of the first swing arm 245, thereby providing support for the first supporting member 22. The second fitting 234 of the second support 23 is mounted to the second fitting space 2467 of the second swing arm 246 to be fitted with the structure of the second swing arm 246, thereby providing support for the second support 23.

Illustratively, in the open state, the lower surface of the first mating member 224 of the first support 22 is beveled and contacts or abuts the mating surface 2458 of the first swing arm 245, and the lower surface of the first mating member 224 is beveled to mate with the mating surface 2458 of the first swing arm 245 such that the first swing arm 245 is able to provide support for the first support 22 to maintain the first support 22 in the flattened state. The lower surface of the second fitting member 234 of the second supporting member 23 is inclined and contacts or abuts against the fitting surface 2468 of the second swing arm 246, and the lower surface of the second fitting member 234 is inclined-fitted with the fitting surface 2468 of the second swing arm 246, so that the second swing arm 246 can provide support for the second supporting member 23 to maintain the second supporting member 23 in a flattened state.

During the process that the second housing 12 and the third housing 13 are in the open state, and the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the first supporting member 22 moves towards the direction approaching the first swing arm 245, so as to drive the first matching member 224 of the first supporting member 22 to move in the first matching space 2457. The lower surface of the first support 22 is adjacent to the first swing arm 245. The inner side of the first fitting 224 is fitted to the sidewall of the first fitting space 2457 to increase the connection strength between the first swing arm 245 and the first support 22. The surface of the first mating member 224 facing the first support 22 is the "inner side" of the first mating member 224.

The second supporting member 23 moves in a direction approaching the second swing arm 246, thereby driving the second fitting member 234 of the second supporting member 23 to move in the second fitting space 2467. The lower surface of the second support 23 is close to the second swing arm 246. The inner side of the second fitting 234 is fitted to the sidewall of the second fitting space 2467 to increase the connection strength between the second swing arm 246 and the second support 23. The surface of the second mating member 234 facing the second support 23 is the "inner side" of the second mating member 234.

In addition, during the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the sliding end 2462 of the second swing arm 246 slides relative to the second fixing frame 242, so as to leave the avoidance space 2460. The second support 23 may further be provided with an avoidance gap, and the avoidance gap communicates with the avoidance space 2460 to expand the avoidance space 2460.

The structure of the second shaft assembly 3 will be exemplified below with reference to the accompanying drawings.

Referring to fig. 26 and 27 in combination, fig. 26 is a schematic structural view of the second rotating shaft assembly 3 shown in fig. 2 in an open state, and fig. 27 is a schematic structural view of the second rotating shaft assembly 3 shown in fig. 26 in a second closed state.

In some embodiments, the second shaft assembly 3 includes a main shaft 31 and a connecting assembly 34. Wherein the spindle 31 and the connection assembly 34 together form a main movement mechanism of the second spindle assembly 3. In the embodiment of the present application, two ends close to the main shaft 31 are defined as a top end and a bottom end, and a direction from the top end to the bottom end of the main shaft 31 is an extension direction of the main shaft 31; the orientation near the top end of the main shaft 31 is defined as "top", and the orientation near the bottom end of the main shaft 31 is defined as "bottom".

Illustratively, the connecting assembly 34 connects the main shaft 31 and is capable of being deformed to unfold or fold relative to the main shaft 31. The connecting component 34 is further connected between the second housing 12 and the third housing 13 (see fig. 2), and when the connecting component 34 deforms relative to the main shaft 31, the second housing 12 and the third housing 13 deform relative to the main shaft 31 to be unfolded or folded relatively.

In this embodiment, the second rotating shaft assembly 3 has one connection assembly 34 as an example, it should be understood that in other embodiments, the second rotating shaft assembly 3 may have more connection assemblies 34, the connection assemblies 34 may be split or combined, and the structures of the plurality of connection assemblies 34 may be the same or different, which is not strictly limited in this embodiment of the present application.

The structure of each component of the second shaft assembly 3 is exemplarily described below with reference to the accompanying drawings. First, the structure of the spindle 31 will be described.

Referring to fig. 28A and fig. 28B in combination, fig. 28A is a schematic view of an exploded structure of the second shaft assembly 3 shown in fig. 26, fig. 28B is a schematic view of the structure shown in fig. 28A at another angle, and the view angle of fig. 28B is reversed from that of fig. 28A.

In some embodiments, as shown in fig. 28A, the main shaft 31 includes a main support plate 311 and a cover 312, the cover 312 being fixed to the main support plate 311 and forming an installation space with the main support plate 311 for installing the connection assembly 34. It should be appreciated that in other embodiments, the spindle 31 may have more covers, and the number, configuration, location, etc. of the covers may be configured to correspond to the connection assembly 34.

Illustratively, as shown in fig. 28B, the main support plate 311 is provided with a plurality of fitting structures toward the underside of the cover 312, the plurality of fitting structures being for fitting with the cover 312 to form a plurality of mounting spaces for mounting the connection assemblies 34. The plurality of mating structures may include grooves, openings, protrusions, and the like. By way of example, the main support plate 311 may include a first arcuate surface 3111 and a first undulating surface 3112. The first arc surface 3111 may be a concave arc surface. The first wave surface 3112 may include a plurality of regions arranged along the extending direction of the main shaft 31, each region including a plurality of concave cambered surfaces, and the arrangement direction of the plurality of cambered surfaces being perpendicular to the extending direction of the main shaft 31.

Wherein, the main support plate 311 may be provided with a plurality of escape notches 3113 and a plurality of fastening holes 3114. The avoidance notches 3113 are located at two sides of the main support plate 311, and the avoidance notches 3113 are used for avoiding structural members of the connection assembly 34 during the moving process of the second shaft assembly 3. A plurality of fastening holes 3114 are used to allow fasteners to pass through. The plurality of avoidance notches 3113 and the plurality of fastening holes 3114 are all distributed at the bottom, middle and top of the main support plate 311.

For example, as shown in fig. 28A, the cover 312 may have a cover structure with a concave middle and two raised sides. The side of the cover 312 may be provided with a relief notch 3121. The cover 312 is provided toward the upper side of the main support plate 311 with a plurality of coupling structures for coupling with the main support plate 311 to form a plurality of mounting spaces for mounting the connection assemblies 34. The plurality of mating structures may include grooves, openings, protrusions, and the like. For example, the cover 312 may include a second cambered surface 3122 and a second wavy surface 3123. The second cambered surface 3122 is a concave cambered surface; the second wave surface 3123 includes a plurality of regions, each region including a plurality of concave cambered surfaces. The second cambered surface 3122 may be engaged with the first cambered surface 3111 of the main support plate 311, and the second wavy surface 3123 may be engaged with the first wavy surface 3112 of the main support plate 311, forming an installation space.

Wherein the cover 312 may be fixedly coupled to the main support plate 311 by a plurality of fasteners. The cover 312 may also be provided with a plurality of fastening holes 3124. The plurality of fastening holes 3124 of the cover 312 are coupled to the portion of the fastening holes 3114 of the Ji Zhuzhi support plate 311, and the plurality of fastening members are inserted into the fastening holes 3124 of the cover 312 and the fastening holes 3114 of the main support plate 311 to lock the cover 312 with the main support plate 311.

In this embodiment, the spindle 31 has one cover 312 as an example, it should be understood that in other embodiments, the spindle 31 may have more covers, and the structures of the covers and the connection structures of the covers and the main supporting plate 311 may be the same or different, which is not strictly limited in this embodiment of the present application.

The structure of the connection assembly 34 is described next.

In some embodiments, as shown in fig. 28A, the connection assembly 34 includes a first mount 341, a second mount 342, a first connection arm 343, a second connection arm 344, a first swing arm 345, a second swing arm 346, and a damping assembly 347. The first connecting arm 343 has two ends connected to the main shaft 31 and the first fixing frame 341, respectively. The two ends of the first swing arm 345 are respectively connected with the main shaft 31 and the first fixing frame 341. Both ends of the second connecting arm 344 are connected to the main shaft 31 and the second fixing frame 342, respectively. Two ends of the second swing arm 346 are respectively connected with the main shaft 31 and the second fixing frame 342. The damping assembly 347 is mounted to the main shaft 31 and connects the first swing arm 345 and the second swing arm 346. The damping assembly 347 is configured to provide a motion damping force during relative rotation of the first swing arm 345 and the second swing arm 346.

It is understood that the connection assembly 34 may be provided without the damping assembly 347, which is not limited in this regard.

As shown in fig. 28A and 28B, the first fixing frame 341 includes a first mounting groove 3411, a first sliding groove 3412, a first positioning block 3413, and a plurality of fastening holes 3414.

Illustratively, the opening of the first mounting groove 3411 is located on the upper surface of the first fixing frame 341 for fixedly mounting the structure connected to the first fixing frame 341. The groove wall of the first mounting groove 3411 may be provided with fastening holes 3414.

The first fixing frame 341 further includes an installation space, the installation space penetrates through the left end face and the right end face of the first fixing frame 341, the first sliding groove 3412 is disposed on a side wall of the installation space, and a structure installed in the installation space is slidably connected with the first sliding groove 3412.

Illustratively, the first sliding groove 3412 has two opposite sidewalls, which are recessed to form a guide space of the first sliding groove 3412 together. That is, the side wall of the first sliding groove 3412 may have a recessed guiding space for guiding the sliding direction of the structural member mounted in the first sliding groove 3412, so that the relative sliding action between the first fixing frame 341 and the corresponding structural member is easier to be realized, and the control accuracy is higher.

Illustratively, the first fixing frame 341 may further include a first clamping block 3413, where the first clamping block 3413 is disposed in a protruding manner and is configured to be clamped into the second housing 12. The first clamping block 3413 may be provided with a fastening hole 3414. In the present application, the first fixing frame 341 may be fastened to the second housing 12 by fastening the fastening holes 3414 through a fastening member.

The second fixing frame 342 includes a second mounting groove 3421, a second sliding groove 3422, a second locking block 3423, and a plurality of fastening holes 3424.

Illustratively, an opening of second mounting groove 3421 is located on an upper surface of second mount 342 for fixedly mounting structure attached to second mount 342. The groove wall of the second mounting groove 3421 may be provided with fastening holes 3424.

The second fixing frame 342 further includes an installation space penetrating the left and right end surfaces of the second fixing frame 342, and the second sliding groove 3422 is disposed on a sidewall of the installation space, and is slidably connected to the second sliding groove 3422.

Illustratively, the second sliding groove 3422 has two oppositely disposed sidewalls which are recessed to cooperatively form a guide space of the second sliding groove 3422. That is, the side wall of the second sliding groove 3422 may have a recessed guiding space for guiding the sliding direction of the structural member mounted on the second sliding groove 3422, so that the relative sliding action between the second fixing frame 342 and the corresponding structural member is easier to be realized, and the control accuracy is higher.

Illustratively, second mount 342 may further include a second detent block 3423, second detent block 3423 being provided in a protruding manner for snapping into second housing 12. The second detent block 3423 may be provided with a fastening hole 3424. In the present application, the second fixing frame 342 may be fastened to the second housing 12 by fastening the fastening holes 3424 through a fastener.

In some embodiments, the shape of the first fixing frame 341 may be the same as that of the second fixing frame 342, so as to use the same material, save the material types of the second rotating shaft assembly 3, and reduce the cost of the second rotating shaft assembly 3. In other embodiments, the shape of the first fixing frame 341 may be different from the shape of the second fixing frame 342, which is not strictly limited in the embodiment of the present application.

In some embodiments, as shown in fig. 28A and 28B, the first connecting arm 343 includes a fixed end 3431 and a rotating end 3432. Illustratively, the fixed end 3431 of the first connecting arm 343 is provided with a fastening hole 3433; the rotating end 3432 of the first connecting arm 343 is an arc-shaped arm.

The fixed end 3431 of the first connecting arm 343 is fixedly mounted in the first mounting groove 3411 of the first fixing frame 341, and the first connecting arm 343 is fixed to the first fixing frame 341 by passing fasteners through the fastening holes 3414 of the first mounting groove 3411 and the fastening holes 3433 of the fixed end 3431 of the first connecting arm 343. It should be appreciated that, in other embodiments, the fixed end 3431 of the first connecting arm 343 may be fixedly connected to the first fixing frame 341 by a welding method, which is not limited by the present application.

The first connecting arm 343 may be an integrally formed structural member, so as to have a high structural strength. The first connecting arm 343 may be formed by a computer numerical control milling process, for example. In other embodiments, the first connecting arm 343 may be formed by a metal injection molding process, which is not strictly limited in the embodiment of the present application.

In some embodiments, the second connecting arm 344 includes a fixed end 3441 and a rotating end 3442. Illustratively, the fixed end 3441 of the second connecting arm 344 is provided with a fastening hole 3443; the rotating end 3442 of the second connecting arm 344 is an arc-shaped arm.

Wherein, the fixed end 3441 of the second connection arm 344 is fixedly mounted to the second mounting groove 3421 of the second fixing frame 342, and the second connection arm 344 is fixed to the second fixing frame 342 by passing a fastening member through the fastening hole 3424 of the second mounting groove 3421 and the fastening hole 3443 of the fixed end 3441 of the second connection arm 344. It should be appreciated that, in other embodiments, the fixed end 3441 of the second connecting arm 344 may be fixedly connected to the second fixing frame 342 by welding, gluing, or the like, which is not limited by the present application.

The second connecting arm 344 may be an integrally formed structure, so as to have a high structural strength. The second connecting arm 344 may be formed by a computer numerical controlled milling process, for example. In other embodiments, the second connecting arm 344 may be formed by a metal injection molding process, which is not strictly limited in the embodiments of the present application.

In some embodiments, the shape of the first connecting arm 343 may be the same as the shape of the second connecting arm 344, so as to use the same material, save the material types of the second rotating shaft assembly 3, and reduce the cost of the second rotating shaft assembly 3. In other embodiments, the shape of the first connecting arm 343 may be different from the shape of the second connecting arm 344, which is not strictly limited in the embodiments of the present application.

In some embodiments, as shown in fig. 28A and 28B, the first swing arm 345 includes a rotating end 3451 and a sliding end 3452. The rotating end 3451 of the first swing arm 345 may be provided with a structure for matching with the damping assembly 347, and the structure of the rotating end 3451 of the first swing arm 345 may refer to the rotating end 2451 of the first swing arm 245 of the first pivot assembly 2, which is not described herein. The sliding end 3452 of the first swing arm 345 includes sliding blocks 3453 located at both sides of the sliding end.

The first swing arm 345 may be an integrally formed structural member, so as to have a high structural strength. Illustratively, the first swing arm 345 may be formed by a metal injection molding process, or by other processes, which embodiments of the present application do not strictly limit.

In some embodiments, the second swing arm 346 includes a rotating end 3461 and a sliding end 3462. The rotating end 3461 of the second swing arm 346 may be provided with a structure for matching with the damping assembly 347, and the structure of the rotating end 3461 of the second swing arm 346 may refer to the rotating end 2461 of the second swing arm 246 of the first pivot assembly 2, which is not described herein. The sliding end 3462 of the second swing arm 346 includes sliding blocks 3463 located at both sides of the sliding end.

The second swing arm 346 may be an integrally formed structural member, so as to have a high structural strength. The second swing arm 346 may be molded by a metal injection molding process, or by other processes, for example, and embodiments of the present application are not limited in this regard.

In some embodiments, the shape of the first swing arm 345 may be the same as the shape of the second swing arm 346, so as to use the same material, save the material types of the second rotating shaft assembly 3, and reduce the cost of the second rotating shaft assembly 3. In other embodiments, the shape of the first swing arm 345 may be different from the shape of the second swing arm 346, which is not strictly limited in the embodiments of the present application.

In the present application, the structure of the damping assembly 347 may refer to the structure of the damping assembly 247 of the first shaft assembly 2, and the connection structure of the damping assembly 347 with the first swing arm 345 and the second swing arm 346 may refer to the connection structure of the damping assembly 247 of the first shaft assembly 2 with the first swing arm 245 and the second swing arm 246. For example, the damping assembly 347 may also include a plurality of synchronizing gears. The rotating ends 3451 of the first swing arms 345 and the rotating ends 3461 of the second swing arms 346 are connected through a plurality of synchronous gears, so that the rotating angle of the rotating ends 3451 of the first swing arms 345 is the same as the rotating angle of the rotating ends 3461 of the second swing arms 346 and opposite to the rotating angle, and the rotating actions of the first swing arms 345 and the second swing arms 346 relative to the main shaft 31 are kept synchronous, namely, are synchronously close to each other or are mutually far away from each other. That is, the first swing arm 345 and the second swing arm 346 are driven by the damping assembly 347 to rotate synchronously relative to the main shaft 31.

In the present application, the first and second holders 341 and 342 are respectively connected to both sides of the main shaft 31. The first fixed frame 341 moves with the first connecting arm 343 and the first swing arm 345, and the second fixed frame 342 moves with the second connecting arm 344 and the second swing arm 346 to achieve relative unfolding and relative folding. As shown in fig. 26, in the process of unfolding the second rotating shaft assembly 3 from the first closed state to the open state, the first fixing frame 341 and the second fixing frame 342 are relatively unfolded, the first fixing frame 341 and the second fixing frame 342 are respectively located at two sides of the main shaft 31, and the first fixing frame 341, the main shaft 31 and the second fixing frame 342 are used for providing a flat supporting environment together. As shown in fig. 5, in the process of folding the second rotating shaft assembly 3 from the open state to the first closed state, the first fixing frame 341 and the second fixing frame 342 are folded relatively, the first fixing frame 341 and the second fixing frame 342 are located on the same side of the main shaft 31, and the first fixing frame 341, the second fixing frame 342 and the main shaft 31 together form the screen accommodating space 310.

Referring to fig. 29, 30A and 30B in combination, fig. 29 is a schematic diagram illustrating an assembled structure of the connection assembly 34 and the bottom cover 312 of the spindle 31 shown in fig. 28A, fig. 30A is a schematic diagram illustrating a cross-sectional structure of the assembled structure of the connection assembly 34 and the spindle 31 shown in fig. 26 taken along the line B1-B1, and fig. 30B is a schematic diagram illustrating the structure shown in fig. 30A in a second closed state. The section taken along B1-B1 passes through the first mount 341, the first connecting arm 343, the main shaft 31, the second connecting arm 344, and the second mount 342. The position of B1-B1 in fig. 26 is the same as the position of B1-B1 in fig. 29.

In some embodiments, the fixed end 3431 of the first connecting arm 343 is fixedly connected to the first fixing frame 341, and the rotating end 3432 of the first connecting arm 343 is rotatably connected to the spindle 31. The fixed end 3441 of the second connecting arm 344 is fixed to the second fixing frame 342, and the rotating end 3442 of the second connecting arm 344 is rotatably connected to the main shaft 31.

The rotating end 3432 of the first connecting arm 343 is rotatably connected to the main shaft 31 by a virtual shaft connection manner. The rotating end 3442 of the second connecting arm 344 is rotatably connected to the main shaft 31 by means of a virtual shaft.

It is to be understood that, in other embodiments, the rotating end 3432 of the first connecting arm 343 and/or the rotating end 3442 of the second connecting arm 344 may also be connected to the main shaft 31 by a physical shaft connection manner, which is not strictly limited in the present application.

Referring to fig. 29, 31A and 31B in combination, fig. 31A is a schematic cross-sectional view of the assembled structure of the connecting assembly 34 and the spindle 31 shown in fig. 26 taken along the line B2-B2, and fig. 31B is a schematic structural view of the structure shown in fig. 31A in a second closed state. The section taken along B2-B2 passes through the first mount 341, the first swing arm 345, the main shaft 31, the second swing arm 346, and the second mount 342. The position of B2-B2 in fig. 26 is the same as the position of B2-B2 in fig. 29.

In some embodiments, the rotating end 3451 of the first swing arm 345, the rotating end 3461 of the second swing arm 346, and the damping assembly 347 are mounted to the main shaft 31. In the present embodiment, the connection structures of the first swing arm 345, the second swing arm 346, the damping assembly 347 and the main shaft 31 can refer to the connection structures of the first swing arm 245, the second swing arm 246, the damping assembly 247 and the main shaft 21 of the first rotating shaft assembly 2, which are not described herein.

Referring to fig. 29, 32A and 32B in combination, fig. 32A is a schematic cross-sectional view of the assembled structure of the connecting assembly 34 and the spindle 31 shown in fig. 26 taken along the line B3-B3, and fig. 32B is a schematic structural view of the structure shown in fig. 32A in a second closed state. The section taken at B3-B3 passes through the first mount 341, the first swing arm 345, the main shaft 31, the second swing arm 346, and the second mount 342. The positions of B3-B3 in fig. 26 are the same as the positions of B3-B3 in fig. 29.

In some embodiments, the sliding end 3452 of the first swing arm 345 is slidably mounted in the first sliding groove 3412 of the first fixing frame 341 to be slidably connected to the first fixing frame 341. The sliding block 3453 of the sliding end 3452 of the first swing arm 345 is partially located in the guiding space of the first sliding groove 3412, and the sliding block 3453 and the guiding space cooperate to guide the sliding direction of the sliding end 3452 of the first swing arm 345 relative to the first fixing frame 341. The sliding end 3462 of the second swing arm 346 is slidably mounted in the second sliding groove 3422 of the second fixing frame 342 to slidably connect with the second fixing frame 342. The sliding block 3463 of the sliding end 3462 of the second swing arm 346 is partially located in the guiding space of the second sliding groove 3422, and the sliding block 3463 and the guiding space cooperate to guide the sliding direction of the sliding end 3462 of the second swing arm 346 relative to the second fixing frame 342.

The structure of the connecting device 4 and the connection structure of the connecting device 4 and the structures of the first shaft assembly 2, the second housing 12, the second shaft assembly 3, and the like will be described below by way of example.

Referring to fig. 33A and 33B in combination, fig. 33A is a partially exploded view of a portion of the structure of the electronic device 1000 shown in fig. 2, and fig. 33B is a partially exploded view of the structure of fig. 33A.

Illustratively, the connecting device 4 includes a connecting member 41 and a driving member 42. The connecting member 41 includes a first end 411 and a second end 412, the first end 411 of the connecting member 41 being adjacent to the first shaft assembly 2 and the second end 412 of the connecting member 41 being adjacent to the second shaft assembly 3. When the second housing 12 and the third housing 13 are in the opened state, the connecting piece 41 can prevent the second rotating shaft assembly 3 from moving when the first housing 11 and the second housing 12 are in the opened state, so that the second rotating shaft assembly 3 is in the locked state, and the second housing 12 and the third housing 13 are prevented from being folded relative to the second rotating shaft assembly 3.

In some embodiments, at least one of the connector 41, the first shaft assembly 2, the second shaft assembly 3, or the second housing 12 is provided with a driver 42. During the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the driving member 42 is used for driving the second end 412 of the connecting member 41 to move in a direction away from the second rotating shaft assembly 3, so that the second housing 12 and the third housing 13 can be folded relative to the second rotating shaft assembly 3. When the first housing 11 and the second housing 12 are in the first closed state, the second housing 12 and the third housing 13 can move relative to the second rotating shaft assembly 3. The connecting piece 41 controls the movement of the second rotating shaft assembly 3, so that the electronic device 1000 is folded according to a certain sequence, thereby avoiding the damage to the structure caused by pressing or pulling of the first rotating shaft assembly 2 and the second rotating shaft assembly 3, and ensuring the long service life and high reliability of the first rotating shaft assembly 2 and the second rotating shaft assembly 3.

In other embodiments, the driving member 42 may be further configured to drive the second end 412 of the connecting member 41 to move in a direction approaching the second rotating shaft assembly 3 during the process of unfolding the second housing 12 and the third housing 13 from the first closed state to the open state by the first rotating shaft assembly 2.

In some embodiments, the connector 41 may be slidably coupled to the second housing 12. Illustratively, the second housing 12 is provided with a sliding groove 121, and the sliding groove 121 may extend to end surfaces on both left and right sides of the second housing 12. The connector 41 is located in the sliding groove 121 of the second housing 12 and is slidable along the sliding groove 121, so as to be slidably connected to the second housing 12 through the sliding groove 121. In other embodiments, the second housing 12 may further be provided with a through hole (not shown), and openings at both ends of the through hole may be located at end surfaces on both left and right sides of the second housing 12, respectively. The connecting member 41 is located at the through hole of the second housing 12 and is slidable along the through hole so as to be slidably connected with respect to the second housing 12 through the through hole. In addition, the connecting member 41 may be slidably connected to the second housing 12 by other structures, which is not limited in the present application.

Referring to fig. 33B to 35B in combination, fig. 33C is an assembled schematic view of the structure shown in fig. 33A, and fig. 33D is an internal schematic view of the structure shown in fig. 33C; fig. 34A is a schematic view of the structure of fig. 33C in a first closed state, and fig. 34B is an internal schematic view of the structure of fig. 34A; fig. 35A is a schematic view of the structure shown in fig. 33C in a second closed state, and fig. 35B is an internal schematic view of the structure shown in fig. 35A.

Illustratively, the connecting means 4 may comprise a connector 41, i.e. the electronic device 1000 comprises a connector 41, the connector 41 having a first end 411 and a second end 412 arranged opposite each other. The first end 411 of the connecting member 41 is adjacent the first shaft assembly 2 and the second end 412 of the connecting member 41 is adjacent the second shaft assembly 3.

For example, please refer to fig. 33B to 34B in combination with fig. 36A to 36C, fig. 36A is a schematic view of a part of the structure of the housing device 100 shown in fig. 33B, fig. 36B is a schematic view of a part of the structure shown in fig. 36A in a first closed state, and fig. 36C is a schematic view of the structure shown in fig. 36A in a first closed state. Fig. 36A shows the structure of the first swing arm 245, the damping assembly 247, the second swing arm 246 and the second mount 242 of the first shaft assembly 2, and the first end 411 of the link 41.

As shown in fig. 33B, 33D and 36A, when the first housing 11 and the second housing 12 are in the open state and the second housing 12 and the third housing 13 are in the open state, the first end 411 of the connecting member 41 approaches or abuts the sliding end 2462 of the second swing arm 246 of the first pivot assembly 2.

The first swing arm 245 and the second swing arm 246 are driven by the damping assembly 247 to synchronously rotate, so that the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state. In addition, the sliding end 2462 of the second swing arm 246 is slidably mounted in the second sliding groove 2423 of the second fixing frame 242, and the specific mounting manner of the sliding end 2462 of the second swing arm 246 and the second sliding groove 2423 of the second fixing frame 242 is referred to the sliding connection structure between the sliding end 2462 of the second swing arm 246 and the second fixing frame 242 in fig. 19A, which is not repeated herein. The number of the second sliding grooves 2423 of the second fixing frame 242 may be two, the two second sliding grooves 2423 are spaced apart, and the upper and lower sides of the sliding end 2462 of the second swing arm 246 may be slidably connected to the two second sliding grooves 2423, respectively.

As shown in fig. 34A, 34B and 36B, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the first swing arm 245 and the second swing arm 246 of the first rotating shaft assembly 2 are relatively folded, the sliding end 2462 of the second swing arm 246 of the first rotating shaft assembly 2 moves in a direction away from the second housing 12, and the escape space 2460 is formed between the sliding end 2462 and the second housing 12.

As shown in fig. 34A, 34B and 36C, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the second end 412 of the connecting member 41 moves in a direction away from the second rotating shaft assembly 3, and the first end 411 of the connecting member 41 enters the avoidance space 2460.

Referring to fig. 36D and 36E in combination, fig. 36D is a schematic structural view of a portion of the housing device 100 shown in fig. 33B in a first closed state, and fig. 36E is a partially exploded schematic structural view of the structure shown in fig. 36D. Fig. 36D shows the structure of the first swing arm 245, the damping assembly 247, the second swing arm 246, the second fixing frame 242, the first end 411 of the connecting member 41, and the second supporting member 23.

Illustratively, the second support 23 may be provided with a relief notch 235, at least a portion of the relief notch 235 may be disposed opposite the region between the two second slide grooves 2423 of the second mount 242 for relieving the first end 411 of the connector 41.

Referring to fig. 36F, fig. 36F is a schematic view of a portion of the housing apparatus 100 shown in fig. 33B, and fig. 36F illustrates a structure of the second end 412 of the connecting member 41 and the first fixing frame 341 of the second rotating shaft assembly 3.

The first fixing frame 341 of the second rotating shaft assembly 3 is provided with a through hole 3415. The second end 412 of the connector 41 can pass through the first mount 341 via the through hole 3415.

Referring to fig. 36F and 36G in combination, fig. 36G is a schematic view of a part of the housing apparatus 100 shown in fig. 33B, and fig. 36G illustrates the second end 412 of the connecting member 41, and the first fixing frame 341 and the main shaft 31 of the second rotating shaft assembly 3.

The main shaft 31 of the second rotating shaft assembly 3 may be provided with a groove 313, and an opening of the groove 313 faces the through hole 3415 of the first fixing frame 341. Illustratively, at least a portion of the opening of recess 313 is disposed directly opposite throughbore 3415 of first mount 341. The second end 412 of the connector 41 can pass through the first mount 341 via the through hole 3415 and be inserted into the recess 313 to prevent relative movement between the spindle 31 and the first mount 341.

Referring to fig. 36G and 36H in combination, fig. 36H is a partially exploded view of the structure shown in fig. 36G.

Illustratively, as shown in FIG. 36H, the main shaft 31 includes a main support plate 311 and a cover 312, the cover 312 being fixed to the main support plate 311 and forming an installation space with the main support plate 311 for installing the connection assembly. The structure of the main support plate 311 of the main shaft 31 and the cover 312 and the connection structure between the respective members may be referred to as the structure of the main support plate 311 and the cover 312 and the connection structure between the respective members shown in fig. 28A and 28B, and will not be described again.

Wherein, the main supporting plate 311 of the main shaft 31 may be provided with a groove, and one end of the groove of the main supporting plate 311 extends to the lower surface of the main supporting plate 311; the cover 312 may also be provided with a recess, one end of the recess of the cover 312 extending to the upper surface of the cover 312. The grooves of the main support plate 311 and the grooves of the cover 312 are disposed opposite to each other and are combined together to form grooves 313. Illustratively, the grooves of the main support plate 311 and the grooves of the cover 312 may have a symmetrical structure, such as rectangular grooves or hemispherical grooves. In other embodiments, the grooves of the main support plate 311 and the grooves of the cover 312 may be asymmetric, for example, the grooves of the main support plate 311 may be rectangular grooves and the grooves of the cover 312 may be hemispherical grooves.

Referring to fig. 36I to 36M in combination, fig. 36I is a schematic structural view of the housing device 100 shown in fig. 2 in some embodiments, fig. 36J is a schematic structural view of a part of the cross-sectional structure of the structure shown in fig. 36I taken along C-C in the first embodiment, fig. 36K is a schematic structural view of another part of the cross-sectional structure of the structure shown in fig. 36I taken along C-C in the first embodiment, fig. 36L is a schematic structural view of the structure shown in fig. 36J in a first closed state, and fig. 36M is a schematic structural view of the structure shown in fig. 36K in a first closed state. The cross-sectional structure of fig. 36J passes through the first housing 11, the first shaft assembly 2, the second housing 12, and the connecting device 4, and the cross-sectional structure of fig. 36K passes through the second housing 12, the second shaft assembly 3, the third housing 13, and the connecting device 4.

In the present application, during the assembly process of the electronic device 1000, two sides of the first rotating shaft assembly 2 may be fixedly connected to the first housing 11 and the second housing 12, and two sides of the second rotating shaft assembly 3 may be fixedly connected to the second housing 12 and the third housing 13. The first fixing frame 241 of the first rotating shaft assembly 2 is fixedly connected with the first shell 11, and the fixing mode can be connected through a fastener or can be realized through other modes; the second fixing frame 242 of the first rotating shaft assembly 2 can be fixedly connected with the second shell 12, and the fixing manner can be connected through a fastener or can be realized through other manners; the first fixing frame 341 of the second rotating shaft assembly 3 is fixedly connected with the second shell 12, and the fixing mode can be connected through a fastener or can be realized through other modes; the second fixing frame 342 of the second rotating shaft assembly 3 may be fixedly connected to the third housing 13, and the fixing manner may be connected by a fastener, or may be implemented by other manners. As shown in fig. 36J and 36L, the first housing 11 and the second housing 12 can be relatively unfolded and relatively folded by deformation of the first shaft assembly 2 to switch between an open state and a first closed state; as shown in fig. 36K and 36M, the second housing 12 and the third housing 13 can be relatively unfolded and relatively folded by deformation of the second shaft assembly 3 to switch between the first closed state and the second closed state.

When the first housing 11 and the second housing 12 are in the open state and the second housing 12 and the third housing 13 are in the open state, as shown in fig. 36A and 36J, the first swing arm 245 and the second swing arm 246 of the first shaft assembly 2 are flattened against the main shaft 21, and the first end 411 of the connecting member 41 abuts against the sliding end 2462 of the second swing arm 246 of the first shaft assembly 2. As shown in fig. 36A and 36K, the second end 412 of the connecting member 41 is snapped into the main shaft 31 through the first fixing frame 341 of the second rotating shaft assembly 3 to prevent relative movement between the first fixing frame 341 of the second rotating shaft assembly 3 and the main shaft 31 and to prevent movement of the second rotating shaft assembly 3, so that the second rotating shaft assembly 3 is in a locked state, preventing the second housing 12 and the third housing 13 from being folded relative to the second rotating shaft assembly 3.

In the present embodiment, the first swing arm 345 and the second swing arm 346 are driven by the damping assembly 347 to rotate synchronously with respect to the main shaft 31. When the second end 412 of the connector 41 prevents relative movement between the first mount 341 of the second spindle assembly 3 and the spindle 31, thereby preventing rotation of the second swing arm 346 and, thus, the second mount 342 and the third housing 13 with respect to the spindle 31, i.e., movement of the second spindle assembly 3, and folding of the second housing 12 and the third housing 13 with respect to the second spindle assembly 3.

As shown in fig. 36A, 36B, 36J and 36L, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the first swing arm 245 and the second swing arm 246 are synchronously rotated with respect to the main shaft 21, and the sliding end 2462 of the second swing arm 246 slides with respect to the second fixing frame 242 in a direction away from the second housing 12, so that a avoiding space 2460 is left between the sliding end 2462 of the second swing arm 246 and the second housing 12. The first end 411 of the connector 41 moves away from the second housing 12 and into the escape space 2460.

As shown in fig. 36K and 36M, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the driving member 42 pushes the connecting member 41 to move in a direction away from the second rotating shaft assembly 3, and the second end 412 of the connecting member 41 moves with the first end 411 of the connecting member 41 in a direction away from the second housing 12, and the second end 412 of the connecting member 41 moves in a direction away from the second rotating shaft assembly 3.

As shown in fig. 36M, when the first housing 11 and the second housing 12 are in the first closed state, a distance exists between the second end 412 of the connecting member 41 and the spindle 31, and the first fixing frame 341 of the second rotating shaft assembly 3 can move relative to the spindle 31, that is, the second housing 12 and the third housing 13 can move relative to the second rotating shaft assembly 3.

In summary, the second housing 12 and the third housing 13 are in an open state, in the process that the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the first swing arm 245 and the second swing arm 246 of the first rotating shaft assembly 2 are folded relative to the main shaft 21, the sliding end 2462 of the second swing arm 246 slides relative to the second fixing frame 242 in a direction away from the second housing 12, an avoidance space 2460 is reserved between the sliding end 2462 and the second fixing frame 242, and the first end 411 of the connecting piece 41 enters the avoidance space 2460. The driving member 42 pushes the connecting member 41 to move away from the second shaft assembly 3 and away from the main shaft 31.

In contrast to the process that the second housing 12 and the third housing 13 are in the open state, and the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2, the second housing 12 and the third housing 13 are in the open state, and the first swing arm 245 and the second swing arm 246 of the first rotating shaft assembly 2 are flattened relative to the main shaft 21 in the process that the first housing 11 and the second housing 12 are unfolded from the first closed state to the open state by the first rotating shaft assembly 2, the sliding end 2462 of the second swing arm 246 slides relative to the second fixing frame 242 in a direction approaching the second housing 12, contacts and pushes the connecting piece 41 to slide in a direction approaching the second rotating shaft assembly 3, that is, the second end 412 of the connecting piece 41 moves in a direction approaching the second rotating shaft assembly 3, so that the second end 412 of the connecting piece 41 passes through the first fixing frame 341 of the second rotating shaft assembly 3 and is clamped into the main shaft 31, that is, the second end 412 of the connecting piece 41 is connected between the second housing 12 and the second rotating shaft assembly 3. Illustratively, when the first housing 11 and the second housing 12 are in the first closed state, the sliding end 2462 of the second swing arm 246 may contact the connecting member 41 or may be spaced from the connecting member 41, which is not limited by the present application.

Illustratively, as shown in fig. 36J and 36L, the through hole 3415 of the first mount 341 opens toward the accommodation groove 122 of the second housing 12. When the first housing 11 and the second housing 12 are in the opened state and the second housing 12 and the third housing 13 are in the opened state, the second end 412 of the connecting member 41 passes through the first fixing frame 341 of the second rotating shaft assembly 3 via the through hole 3415 and is inserted into the groove 313 to fixedly connect the first fixing frame 341 and the main shaft 31 of the second rotating shaft assembly 3.

During the relative folding of the second housing 12 and the third housing 13 from the open state through the first spindle assembly 2 to the first closed state, the second end 412 of the connecting member 41 moves away from the recess 313; when the first housing 11 and the second housing 12 are in the first closed state, the second end 412 of the connecting member 41 is separated from the groove 313, and the first fixing frame 341 and the spindle 31 of the second rotating shaft assembly 3 can relatively move.

Conversely, during the process of unfolding the first housing 11 and the second housing 12 from the first closed state to the open state, the second end 412 of the connecting member 41 moves in a direction approaching the recess 313, and the second end 412 of the connecting member 41 can be inserted into the through hole 3415 of the first fixing frame 341 from the accommodating groove 122 of the second housing 12 and inserted into the recess 313 of the main shaft 31 through the through hole 3415 of the first fixing frame 341, so as to prevent the movement of the second rotating shaft assembly 3 and prevent the second housing 12 and the third housing 13 from being folded relative to the second rotating shaft assembly 3.

As illustrated in fig. 36D, 36E and 36L, one side of the escape indentation 235 of the second support 23 extends to an end surface of the second support 23 facing the second housing 12 to provide an escape space when the first end 411 of the connection member 41 moves away from the second housing 12. When the first housing 11 and the second housing 12 are in the first closed state, the escape notch 235 may communicate with the escape space 2460 between the two second sliding grooves 2423 of the second fixing frame 242 to expand the escape space 2460 so as to escape the first end 411 of the connection member 41.

Illustratively, the first shaft assembly 2 includes a first moving member 20 and the second shaft assembly 3 includes a second moving member 30, with the first end 411 of the connecting device 4 coupled to the first moving member 20 of the first shaft assembly 2.

Referring to fig. 33D and 34B in combination, when the first housing 11 and the second housing 12 are in the open state and the second housing 12 and the third housing 13 are in the open state, the second end 412 of the connecting member 41 is connected between the second housing 12 and the second moving member 30 of the second rotating shaft assembly 3 to prevent the second housing 12 and the third housing 13 from folding relative to the second rotating shaft assembly 3. During the process that the second shell 12 and the third shell 13 are in an open state, and the first shell 11 and the second shell 12 are relatively folded to a first closed state from the open state through the first rotating shaft assembly 2, the first moving member 20 of the first rotating shaft assembly 2 moves in a direction away from the second shell 12, and a avoidance space 2460 is formed between the first moving member 20 and the second shell 12; the first end 411 of the connecting member 41 enters the escape space 2460, and the second end 412 of the connecting member 41 moves in a direction away from the second moving member 30 of the second rotating shaft assembly 3, so that the second housing 12 and the third housing 13 can be folded with respect to the second rotating shaft assembly 3.

Conversely, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are unfolded from the first closed state through the first shaft assembly 2 to the open state, the first moving member 20 of the first shaft assembly 2 moves in a direction approaching the second housing 12, and pushes the first end 411 of the connecting member 41 to move in a direction away from the first shaft assembly 2, and the second end 412 of the connecting member 41 moves in a direction approaching the second moving member 30 of the second shaft assembly 3.

Referring to fig. 33D, 34B, 36J and 36L, in the present embodiment, the first moving member 20 of the first rotating shaft assembly 2 may include a second swing arm 246.

When the first housing 11 and the second housing 12 are in the open state, the first end 411 of the connecting member 41 is close to the sliding end 2462 of the second swing arm 246 of the first rotating shaft assembly 2.

In the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the first swing arm 245 and the second swing arm 246 of the first rotating shaft assembly 2 are relatively folded, the sliding end 2462 of the second swing arm 246 of the first rotating shaft assembly 2 moves in a direction away from the second housing 12, and a avoidance space 2460 is formed between the sliding end 2462 of the second swing arm 246 and the second housing 12, so that the first end 411 of the connecting piece 41 can move in a direction away from the second housing 12.

Conversely, in the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are unfolded from the first closed state to the open state through the first shaft assembly 2, the first swing arm 245 and the second swing arm 246 of the first shaft assembly 2 are relatively unfolded, the sliding end 2462 of the second swing arm 246 of the first shaft assembly 2 moves in a direction approaching the second housing 12, and the first end 411 of the pushing link 41 moves in a direction away from the first shaft assembly 2.

As shown in fig. 33D and 34B, in other embodiments, the second swing arm 246 may have other structures, for example, a connection structure may be provided between the second swing arm 246 and the first swing arm 245, so that the second swing arm 246 can move with the first swing arm 245 relative to the second housing 12 (the second housing 12). In still other embodiments, the first moving member 20 may include one or more of a main shaft 21, a first swing arm 245, a first fixing frame 241, and a first housing 11, which is not limited in the present application. During the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2, the main shaft 21, the first swing arm 245, the first fixing frame 241, the first housing 11, and the like can move in a direction away from the second housing 12.

Please refer to fig. 33D, fig. 34B, fig. 36K, and fig. 36M in combination. The first fixing frame 341 is fixedly connected with the second casing 12, and the second fixing frame 342 is fixedly connected with the third casing 13. In the present embodiment, the second moving member 30 of the second shaft assembly 3 may include a main shaft 31. When the first housing 11 and the second housing 12 are in the open state, and the second housing 12 and the third housing 13 are in the open state, the first fixing frame 341 and the second fixing frame 342 of the second rotating shaft assembly 3 are relatively unfolded, and the second end 412 of the connecting piece 41 is fixedly connected with the first fixing frame 341 and the main shaft 31 of the second rotating shaft assembly 3.

During the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are relatively folded from the open state to the first closed state, the second end 412 of the connecting member 41 moves in a direction away from the main shaft 31 of the second rotating shaft assembly 3. When the first housing 11 and the second housing 12 are in the first closed state, the first fixing frame 341 and the main shaft 31 of the second rotating shaft assembly 3 can relatively move.

Conversely, during the process that the second housing 12 and the third housing 13 are in the open state, the first housing 11 and the second housing 12 are unfolded from the first closed state to the open state, the second end 412 of the connecting member 41 moves in a direction approaching the spindle 31 of the second rotating shaft assembly 3, so that the second end 412 of the connecting member 41 fixedly connects the first fixing frame 341 and the spindle 31 of the second rotating shaft assembly 3.

As shown in fig. 33D and 34B, in other embodiments, the second mover 30 may further include a first swing arm 345; in this embodiment, when the first housing 11 and the second housing 12 are in the open state, and the second housing 12 and the third housing 13 are in the open state, the second end 412 of the connecting member 41 may also be snapped into the first swing arm 345 to prevent the first swing arm 345 from sliding relative to the first fixing frame 341, thereby preventing the second housing 12 and the third housing 13 from being folded relative to the second rotating shaft assembly 3. In still other embodiments, the second mover 30 of the second shaft assembly 3 may also include other structures. While the first housing 11 and the second housing 12 are in the first closed state, the second housing 12 and the third housing 13 are relatively folded from the open state to the second closed state by the second rotating shaft assembly 3, other structures can move relative to the second housing 12 (the second housing 12), which is not limited in the present application.

Illustratively, the connecting member 41 may further be provided with a limiting member (not shown), where the limiting member is used to limit the moving distance of the connecting member 41 relative to the second rotating shaft assembly 3, and the structure of the limiting member is not limited in the present application.

In the present application, the driving member 42 may have various implementations, and the structure of the driving member 42 is exemplarily described below.

Referring to fig. 37 and 38 in combination, fig. 37 is an exploded view of the connecting device 4 shown in fig. 33A in the first embodiment, and fig. 38 is a view of the housing device 100 shown in fig. 2 in the first embodiment. In the first embodiment, the structures of the first housing 11a, the first shaft assembly 2a, the second housing 12a, the second shaft assembly 3a, the third housing 13a, and the connecting member 41a of the housing device 100a of the electronic apparatus 1000a and the connection structures between the respective components may refer to the structures of the first housing 11, the first shaft assembly 2, the second housing 12, the second shaft assembly 3, the third housing 13, and the connecting member 41 and the connection structures between the respective components in the electronic apparatus 1000 shown in fig. 36A to 36M, and will not be described again.

Only the structure of the driver 42a, the connection structure of the driver 42a with other structures, and the differences of the connector 41a will be described below.

In the first embodiment, the connection member 41a may be provided with a stopper flange 413a, the outer diameter of the stopper flange 413a being larger than the outer diameter of the main body portion of the connection member 41 a. Illustratively, the driving member 42a may be sleeved on the connecting member 41a and located on a side of the limiting flange 413a near the second end 412a of the connecting member 41a, the driving member 42a may be located between the limiting flange 413a and the second end 412a of the connecting member 41a, and the driving member 42a may be moved relative to the connecting member 41a under the pushing of the limiting flange 413 a. In other embodiments, the driving member 42a may be located on a side of the limiting flange 413a near the first end 411a, and the driving member 42a may be located between the limiting flange 413a and the first end 411a of the connecting member 41 a.

Illustratively, the second housing 12a may also be provided with a receiving groove 122a, the receiving groove 122a communicating with the sliding groove 121 a. The limit flange 413a may be mounted to the receiving groove 122a. One end of the driving member 42a may be coupled to the limit flange 413a and the other end may be coupled to the groove wall of the receiving groove 122a. The receiving groove 122a may be located at an end portion of the second housing 12a near the second shaft assembly 3a, or may be located at a middle portion of the second housing 12 a.

Illustratively, the driving member 42a may be an elastic member, such as a spring, or the like, that is elastically deformable. The driving member 42a (elastic member) is disposed at the second end of the connecting member 41a, one end of the driving member 42a abuts against the connecting member 41a, and the other end of the driving member 42a abuts against the second rotating shaft assembly 3a.

Referring to fig. 39A to 39D in combination, fig. 39A is a schematic view of a part of the cross-sectional structure of the structure shown in fig. 38 taken along C1-C1 in the first embodiment, fig. 39B is a schematic view of another part of the cross-sectional structure of the structure shown in fig. 38 taken along C1-C1 in the first embodiment, fig. 39C is a schematic view of the structure shown in fig. 39A in a first closed state, and fig. 39D is a schematic view of the structure shown in fig. 39B in a first closed state. The cross-sectional structure of fig. 39A is taken through the first housing 11a, the first shaft assembly 2a, the second housing 12a, and the connecting device 4a, and the cross-sectional structure of fig. 39B is taken through the second housing 12a, the second shaft assembly 3a, the third housing 13a, and the connecting device 4a.

When the second housing 12a and the third housing 13a are in the open state and the first housing 11a and the second housing 12a are in the open state, as shown in fig. 38 and 39B, the limit flange 413a of the connecting member 41a presses the driving member 42a, two ends of the driving member 42a respectively abut against the limit flange 413a of the connecting member 41a and the first fixing frame 341a of the second rotating shaft assembly 3a, the driving member 42a is in the compressed state, and the second end 412a of the connecting member 41a is clamped into the main shaft 31a through the first fixing frame 341a of the second rotating shaft assembly 3a so as to prevent the second housing 12a and the third housing 13a from folding relative to the second rotating shaft assembly 3 a.

As shown in fig. 39D, in the process that the second housing 12a and the third housing 13a are in the open state, and the first housing 11a and the second housing 12a are relatively folded from the open state to the first closed state through the first shaft assembly 2a, the driving member 42a is changed from the compressed state to the extended state, a pushing force is generated, and the limit flange 413a moves in a direction approaching the first shaft assembly 2a under the pushing force, so that the connecting member 41a moves in a direction away from the second shaft assembly 3a under the pushing force, and is separated from the main shaft 31a. The second end 412a of the connector 41a is spaced from the spindle 31a. It will be appreciated that the driver 42a may be considered to be in an extended state when the driver 42a is not elastically deformed or when it is slightly elastically deformed. The driving member 42a in the extended state is compressed to be in the compressed state, that is, the compressed state of the driving member 42a is elastically deformed with respect to the extended state, or the elastic deformation amount of the driving member 42a in the compressed state is larger than the elastic deformation amount of the driving member 42a in the extended state.

Conversely, in the process that the second housing 12a and the third housing 13a are in the open state, the first housing 11a and the second housing 12a are unfolded from the first closed state to the open state by the first rotating shaft assembly 2a, the sliding end 2462a of the second swing arm 246a slides relative to the second fixing frame 242a in a direction approaching the second housing 12a, contacts and pushes the connecting piece 41a to slide in a direction approaching the second rotating shaft assembly 3a, and the limiting flange 413a of the connecting piece 41a presses the driving piece 42a to make the driving piece 42a in the compressed state.

Referring to fig. 40, fig. 40 is a schematic view of the structure of fig. 39C in other embodiments.

For example, the second swing arm 246a may be provided with a bump 2453a, the bump 2453a is fixed to the sliding end 2462a, and the cross-sectional area of the bump 2453a may be larger than that of the sliding end 2462a, so as to increase the contact area between the second swing arm 246a and the connecting member 41a, so that the sliding end 2462a of the second swing arm 246a pushes the connecting member 41a. Understandably, the cross section of the structure of the second swing arm 246a in the direction perpendicular to the extending direction of the second swing arm 246a is the cross section of the structure of the second swing arm 246 a.

In still other embodiments, the driver 42a may further include a first magnetic member (not shown) and a second magnetic member (not shown). The first and second magnetic members are fixed to the sliding end 2462a of the second swing arm 246a and the first end 411a of the connecting member 41a, respectively. In this embodiment, there may be attractive force between the first magnetic member and the second magnetic member, that is, the magnetic pole of the first magnetic member near the end of the second magnetic member and the magnetic pole of the second magnetic member near the end of the first magnetic member are opposite in polarity, for example, the end of the first magnetic member near the second magnetic member is N-pole, and the end of the second magnetic member near the first magnetic member 421a is S-pole. It is understood that a magnetic element, which may also be referred to as a magnet, refers to a substance or material capable of generating a magnetic field. The magnetic member may include a permanent magnet and a soft magnet. Wherein the permanent magnet can keep magnetism for a long time, is not easy to lose magnetism and is not easy to be magnetized, for example: the permanent magnets may include alloy permanent magnet materials, ferrite permanent magnet materials, and the like. The alloy permanent magnetic material can comprise alloys such as neodymium iron boron (Nd 2Fe 14B), samarium cobalt (SmCo), aluminum nickel cobalt (AlNiCo) and the like. The polarity of the soft magnetic body varies with the polarity of the applied magnetic field, and can be used as a magnetizer and an electromagnet, for example: the soft magnetic body may include an iron-silicon alloy (silicon steel sheet), a soft magnetic ferrite material, iron, cobalt, nickel, an alloy of iron, cobalt, nickel, or the like. In the present application, the first magnetic member and the second magnetic member may each employ a permanent magnet; one of the first magnetic member and the second magnetic member may be a permanent magnet, and may be a soft magnet, and may be magnetized by the permanent magnet.

In still other embodiments, the driver 42a may also include a first magnetic member and a second magnetic member. The first magnetic member may be fixed to the first fixing frame 341a of the second rotating shaft assembly 3a and/or the main shaft 31a of the second rotating shaft assembly 3a, and the second magnetic member may be fixed to the second end 412a of the connecting member 41 a. In this embodiment, a repulsive force may exist between the first magnetic member and the second magnetic member, that is, the magnetic pole of the first magnetic member near the end of the second magnetic member is the same as the magnetic pole of the second magnetic member near the end of the first magnetic member, for example, the end of the first magnetic member near the second magnetic member is N-pole, and the end of the second magnetic member near the first magnetic member 421a is N-pole.

In still other embodiments, the driving member 42a may further include a first magnetic member, a second magnetic member, a third magnetic member (not shown), and a fourth magnetic member (not shown). Wherein the first magnetic member and the second magnetic member may be fixed to the sliding end 2462a of the second swing arm 246a and the first end 411a of the connecting member 41a, respectively. The third magnetic member may be fixed to the first fixing frame 341a of the second rotating shaft assembly 3a and/or the main shaft 31a of the second rotating shaft assembly 3a, and the fourth magnetic member may be fixed to the second end 412a of the connecting member 41 a. In this embodiment, there may be an attractive force between the first magnetic member and the second magnetic member, and a repulsive force between the third magnetic member and the fourth magnetic member. In the present application, the third magnetic member and the fourth magnetic member may each employ a permanent magnet; one of the third magnetic member and the fourth magnetic member may be a permanent magnet, and the other may be a soft magnet.

Referring to fig. 41 and fig. 42A to 42C in combination, fig. 41 is a schematic structural view of the connecting device 4 shown in fig. 33A in the second embodiment, fig. 42A is a schematic structural view of the housing device 100 shown in fig. 2 in the second embodiment, fig. 42B is a schematic structural view of a portion of the housing device 100 shown in fig. 42A, and fig. 42C is a schematic structural view of a portion of the housing device shown in fig. 42B in the first closed state. Fig. 42C illustrates the structures of the first swing arm 245b, the damping assembly 247b, the second swing arm 246b, the second fixing frame 242b, the connecting member 41b, and the driving member 42 b.

In the second embodiment, the structures of the first housing 11b, the first shaft assembly 2b, the second housing 12b, the second shaft assembly 3b, the third housing 13b, and the connecting member 41b of the housing device 100b of the electronic apparatus 1000b and the connection structures between the respective components may refer to the structures of the first housing 11, the first shaft assembly 2, the second housing 12, the second shaft assembly 3, the third housing 13, and the connecting member 41 and the connection structures between the respective components in the electronic apparatus 1000 shown in fig. 36A to 36M, and will not be described again.

Only the structure of the driver 42b, the connection structure of the driver 42b with other structures, and the differences of the connector 41b will be described below.

In the second embodiment, the driving member 42b may include a first magnetic member 421b and a second magnetic member 422b. The first magnetic member 421b and the second magnetic member 422b are fixed to the sliding end 2462b of the second swing arm 246b and the first end 411b of the connecting member 41b, respectively. In this embodiment, there may be attractive force between the first magnetic member 421b and the second magnetic member 422b, that is, the polarities of the magnetic poles on the opposite sides of the first magnetic member 421b and the second magnetic member 422b are opposite, for example, the end of the first magnetic member 421b near the second magnetic member 422b is an N pole, and the end of the second magnetic member 422b near the first magnetic member 421b is an S pole.

Illustratively, the driving member 42b may also be an elastic member (not shown), and in this embodiment, the driving member 42b is connected between the sliding end 2462b of the second swing arm 246b of the first pivot assembly 2b and the first end 411b of the connecting member 41 b.

In other embodiments, the first magnetic member 421b may be fixed to the first fixing frame 341b of the second rotating shaft assembly 3b and/or the main shaft 31b of the second rotating shaft assembly 3b, and the second magnetic member 422b may be fixed to the second end 412b of the connecting member 41 b. In this embodiment, a repulsive force may exist between the first magnetic member 421b and the second magnetic member 422b, that is, the polarity of the magnetic pole on the opposite side of the first magnetic member 421b from the second magnetic member 422b, and the polarity of the magnetic pole on the opposite side of the second magnetic member 422b from the first magnetic member 421b are the same.

In still other embodiments, the driving member 42b may further include a first magnetic member 421b, a second magnetic member 422b, a third magnetic member (not shown), and a fourth magnetic member (not shown). Wherein the first magnetic member 421b and the second magnetic member 422b may be fixed to the sliding end 2462b of the second swing arm 246b and the first end 411b of the connecting member 41b, respectively. The third magnetic member may be fixed to the first fixing frame 341b of the second rotating shaft assembly 3b and/or the main shaft 31b of the second rotating shaft assembly 3b, and the fourth magnetic member may be fixed to the second end 412b of the connecting member 41 b. In the present embodiment, there may be an attractive force between the first magnetic member 421b and the second magnetic member 422b, and a repulsive force between the third magnetic member and the fourth magnetic member.

For example, as shown in fig. 42A, the second housing 12b may also be provided with a receiving groove 122b communicating with the sliding groove 121b, and the connecting member 41b may also be provided with a limiting flange 413b, and the limiting flange 413b is located in the receiving groove 122b, so as to cooperate with the receiving groove 122b to limit the movement stroke of the connecting member 41b between the first shaft assembly 2b and the second shaft assembly 3 b. The driving member 42b may also be provided with an elastic member (not shown) sleeved on the connecting member 41b (please refer to the structure of the driving member 42a in the first embodiment shown in fig. 37), where the elastic member is located on a side of the limiting flange 413b near the second end 412b, and moves relative to the connecting member 41b under the pushing of the limiting flange 413 b. The elastic member is used for providing a pushing force in the process that the second housing 12d and the third housing 13d are in an open state, and the first housing 11d and the second housing 12d are relatively folded from the open state to a first closed state through the first rotating shaft assembly 2d, and the second end 412b of the connecting member 41b moves away from the second rotating shaft assembly 3b under the action of the pushing force, so that the second housing 12b and the third housing 13b can be folded relative to the second rotating shaft assembly 3 b.

Referring to fig. 43A to 43D in combination, fig. 43A is a schematic view of a partial cross-sectional structure of the structure shown in fig. 42A taken along C2-C2 in the second embodiment, fig. 43B is a schematic view of another partial cross-sectional structure of the structure shown in fig. 42A taken along C2-C2 in the second embodiment, fig. 43C is a schematic view of the structure shown in fig. 43A in a first closed state, and fig. 43D is a schematic view of the structure shown in fig. 43B in a first closed state. The cross-sectional structure of fig. 43A is taken through the first housing 11B, the first shaft assembly 2B, the second housing 12B, and the connecting device 4B, and the cross-sectional structure of fig. 43B is taken through the second housing 12B, the second shaft assembly 3B, the third housing 13B, and the connecting device 4B.

As shown in fig. 43A and 43B, when the second housing 12B and the third housing 13B are in the opened state and the first housing 11B and the second housing 12B are in the opened state, the first end 411B of the connection member 41B is magnetically connected to the sliding end 2462B of the second swing arm 246B of the first shaft assembly 2B through the driving member 42B, specifically, the first magnetic member 421B fixed to the sliding end 2462B of the second swing arm 246B and the second magnetic member 422B fixed to the first end 411B of the connection member 41B are magnetically connected, and the second end 412B of the connection member 41B is caught into the main shaft 31B through the first fixing frame 341B of the second shaft assembly 3B to prevent the first fixing frame 341B of the second shaft assembly 3B from moving relative to the main shaft 31B, thereby preventing the second housing 12B and the third housing 13B from being folded relative to the second shaft assembly 3B.

As shown in fig. 43C and 43D, in the process that the second housing 12b and the third housing 13b are in the open state, the first housing 11b and the second housing 12b are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2b, the sliding end 2462b of the second swing arm 246b is away from the second fixing frame 242b, and the driving member 42b drives the connecting member 41b to move in a direction away from the second rotating shaft assembly 3b, so that the second end 412b of the connecting member 41b is away from the main shaft 31b.

When the first housing 11b and the second housing 12b are in the first closed state, the first fixing frame 341b of the second rotating shaft assembly 3b can move relative to the main shaft 31b, that is, the second housing 12b and the third housing 13b can be folded relative to the second rotating shaft assembly 3 b.

Referring to fig. 44 and 45 in combination, fig. 44 is an exploded view of the structure of the connecting device 4c shown in fig. 33A in the third embodiment, and fig. 45 is a schematic view of the structure of the housing device 100c shown in fig. 2 in the third embodiment.

In the third embodiment, the structures of the first housing 11c, the first shaft assembly 2c, the second housing 12c, the second shaft assembly 3c, the third housing 13c, and the connector 41c of the housing device 100c of the electronic apparatus 1000c and the connection structures between the respective components can be referred to the structures of the first housing 11, the first shaft assembly 2, the second housing 12, the second shaft assembly 3, the third housing 13, and the connector 41 and the connection structures between the respective components in the electronic apparatus 1000 shown in fig. 36A to 36M, and will not be described again.

Only the structure of the driver 42c, the connection structure of the driver 42c with other structures, and the differences of the connector 41c will be described below.

In the third embodiment, the second housing 12c may also be provided with a receiving groove 122c, the receiving groove 122c communicating with the slide groove 121 c. The driving member 42c is connected between the connecting member 41c and the receiving groove 122c of the second housing 12 c. The driving member 42c may include a third magnetic member 423c and a fourth magnetic member 424c.

In some embodiments, the receiving groove 122c has a first sidewall perpendicular to the extending direction of the connecting member 41c, the first sidewall being adjacent to the first shaft assembly 2c. The third magnetic member 423c may be fixed to the accommodating groove 122c near the first side wall of the first shaft assembly 2c, and movably sleeved on the connecting member 41c, and the fourth magnetic member 424c is fixedly sleeved on the connecting member 41c and located in the accommodating groove 122c. In the present embodiment, there may be attractive force between the third magnetic member 423c and the fourth magnetic member 424c, that is, the polarities of the poles of the opposite sides of the third magnetic member 423c and the fourth magnetic member 424c are opposite.

In other embodiments, the receiving groove 122c has a second sidewall perpendicular to the extending direction of the connecting member 41c, and the second sidewall is adjacent to the second rotating shaft assembly 3c. The third magnetic member 423c may be fixed to the second side wall of the accommodating groove 122c, and the fourth magnetic member 424c is fixedly sleeved on the connecting member 41c and is located in the accommodating groove 122c. In the present embodiment, a repulsive force may exist between the third magnetic member 423c and the fourth magnetic member 424c, that is, polarities of poles of the opposite sides of the third magnetic member 423c and the fourth magnetic member 424c are opposite.

Referring to fig. 45, 46C to 46D in combination, fig. 46A is a schematic view of a part of the cross-sectional structure of the structure shown in fig. 45 taken along C3-C3 in the third embodiment, fig. 46B is a schematic view of another part of the cross-sectional structure of the structure shown in fig. 45 taken along C3-C3 in the third embodiment, fig. 46C is a schematic view of the structure shown in fig. 46A in the first closed state, and fig. 46D is a schematic view of the structure shown in fig. 46B in the first closed state. The cross-sectional structure of fig. 46A is taken through the first housing 11c, the first shaft assembly 2c, the second housing 12c, and the connecting device 4c, and the cross-sectional structure of fig. 46B is taken through the second housing 12c, the second shaft assembly 3c, the third housing 13c, and the connecting device 4c.

As shown in fig. 46A and 46B, when the second housing 12 and the third housing 13 are in the open state, and the first housing 11 and the second housing 12 are in the open state, the first end 411c of the connecting member 41c abuts against the sliding end 2462c of the second swing arm 246c of the first rotating shaft assembly 2c, the fourth magnetic member 424c is located on one side of the third magnetic member 423c close to the second rotating shaft assembly 3, and there is a space therebetween, and the second end 412c of the connecting member 41c is clamped into the main shaft 31c through the first fixing frame 341c of the second rotating shaft assembly 3c, so as to prevent the second housing 12c and the third housing 13c from folding relative to the second rotating shaft assembly 3 c.

As shown in fig. 46C and 46D, in the process that the second housing 12C and the third housing 13C are in the open state, the first housing 11C and the second housing 12C are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2C, the sliding end 2462C of the second swing arm 246C slides relative to the second fixing frame 242C in a direction away from the second housing 12C, and a avoidance space 2460C is provided between the sliding end 2462C and the second fixing frame 242C. An attractive force exists between the third magnetic member 423c and the fourth magnetic member 424c, and the fourth magnetic member 424c moves towards the direction approaching the third magnetic member 423c under the action of the attractive force and drives the connecting member 41c to move towards the direction approaching the first rotating shaft assembly 2c, so that the first end 411c of the connecting member 41c enters the avoidance space 2460c and the second end 412c of the connecting member 41c leaves the main shaft 31c. Further, the distance between the third magnetic member 423c and the fourth magnetic member 424c becomes smaller, or the third magnetic member 423c contacts the fourth magnetic member 424c.

When the first housing 11c and the second housing 12c are in the first closed state, the first fixing frame 341c of the second rotating shaft assembly 3c can move relative to the main shaft 31c, that is, the second housing 12c and the third housing 13c can be folded relative to the second rotating shaft assembly 3 c.

Conversely, in the process that the second housing 12c and the third housing 13c are in the open state, the first housing 11c and the second housing 12c are unfolded from the first closed state to the open state by the first rotating shaft assembly 2c, the sliding end 2462c of the second swing arm 246c slides relative to the second fixing frame 242c in a direction approaching the second housing 12c, contacts and pushes the connecting piece 41c to slide in a direction approaching the second rotating shaft assembly 3c, so that the second end 412c of the connecting piece 41c passes through the first fixing frame 341c of the second rotating shaft assembly 3c and is clamped into the main shaft 31c. The fourth magnetic member 424c is driven by the connecting member 41c to move away from the third magnetic member 423 c.

In other embodiments, a repulsive force may also exist between the third magnetic member 423c and the fourth magnetic member 424c, where the third magnetic member 423c is fixed to the second housing 12c and movably sleeved on the connecting member 41c, and the fourth magnetic member 424c is fixedly sleeved on the connecting member 41c and located on a side of the third magnetic member 423c away from the second rotating shaft assembly 3 c. When the second housing 12c and the third housing 13c are in the opened state and the first housing 11c and the second housing 12c are in the opened state, the third magnetic member 423c and the fourth magnetic member 424c are in contact or have a gap therebetween; in the process that the second housing 12c and the third housing 13c are in the open state, and the first housing 11c and the second housing 12c are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2c, the fourth magnetic member 424c is far away from the third magnetic member 423c under the action of the repulsive force, and drives the connecting member 41c to move in the direction of approaching the first rotating shaft assembly 2c, so that the second end 412c of the connecting member 41c is driven to move in the direction of separating from the second rotating shaft assembly 3 c.

For example, the driving member 42c may further include a third magnetic member and a fourth magnetic member (not shown, please refer to the structure of the driving member 42b in the second embodiment shown in fig. 41), which are respectively fixed to the sliding end 2462c of the second swing arm 246c and the first end 411c of the connecting member 41c, which are not described herein.

Referring to fig. 47A, 47B and 48, fig. 47A is a schematic diagram of an assembled structure of the connecting device 4 and the second swing arm 246 shown in fig. 33A in the fourth embodiment, fig. 47B is an exploded schematic diagram of the structure shown in fig. 47A, and fig. 48 is a schematic diagram of the structure of the housing device 100 shown in fig. 2 in the fourth embodiment. In the fourth embodiment, the structures of the first housing 11d, the first shaft assembly 2d, the second housing 12d, the second shaft assembly 3d, the third housing 13d, and the connector 41d of the housing device 100d of the electronic apparatus 1000d and the connection structures between the respective components can be referred to the structures of the first housing 11, the first shaft assembly 2, the second housing 12, the second shaft assembly 3, the third housing 13, and the connector 41 and the connection structures between the respective components in the electronic apparatus 1000 shown in fig. 36A to 36M, and will not be described again.

Only the structure of the driver 42d, the connection structure of the driver 42d with other structures, and the differences of the connector 41d will be described below.

In the fourth embodiment, the driving member 42d is connected between the connecting member 41d and the sliding end 2462d of the second swing arm 246d of the first rotating shaft assembly 2d. The driving member 42d is capable of generating a pulling force, and the driving member 42d is also capable of moving or deforming, so that the connecting member 41d can move with the second swing arm 246d of the first shaft assembly 2d of the second housing 12d under the pulling force.

Illustratively, the driver 42d includes a first rotational end 421d and a second rotational end 422d. The first rotating end 421d of the driving member 42d is rotatably connected to the sliding end 2462d of the second swing arm 246d of the first rotating shaft assembly 2d, and the second rotating end 422d of the driving member 42d is rotatably connected to the first end 411d of the connecting member 41 d. The first rotating end 421d and the second rotating end 422d of the driving member 42d may be rotatably connected with other components through a pin, etc., specifically, the driving member 42d may include a connecting shaft 423d, a first shaft sleeve 424d and a second shaft sleeve 425d, wherein the first shaft sleeve 424d is fixedly connected with the sliding end 2462d of the second swing arm 246d of the first shaft assembly 2d, the second shaft sleeve 425d is fixedly connected with the first end 411d of the connecting member 41d, two ends of the connecting shaft 423d are respectively provided with a rotating shaft, and the rotating shafts at two ends of the connecting shaft 423d are respectively inserted into the shaft holes in the first shaft sleeve 424d and the second shaft sleeve 425d, and both the first shaft sleeve 424d and the second shaft sleeve 425d rotate. In other embodiments, the driving member 42d may be an elastic member, which is not limited in the present application.

Referring to fig. 48 and fig. 49A to 49D in combination, fig. 49A is a schematic view of a part of the cross-sectional structure of the structure shown in fig. 48 taken along C4-C4 in the fourth embodiment, fig. 49B is a schematic view of another part of the cross-sectional structure of the structure shown in fig. 48 taken along C4-C4 in the fourth embodiment, fig. 49C is a schematic view of the structure shown in fig. 49A in a first closed state, and fig. 49D is a schematic view of the structure shown in fig. 49B in a first closed state. The cross-sectional structure of fig. 49A passes through the first housing 11d, the first shaft assembly 2d, and the second housing 12d, and the cross-sectional structure of fig. 49B passes through the second housing 12d, the second shaft assembly 3d, and the third housing 13d.

As shown in fig. 49A and 49B, when the second housing 12d and the third housing 13d are in the opened state and the first housing 11d and the second housing 12d are in the opened state, the first end 411d of the connecting member 41d is connected to the sliding end 2462d of the second swing arm 246d of the first rotating shaft assembly 2d through the driving member 42d, and the second end 412d of the connecting member 41d is inserted into the main shaft 31d through the first fixing frame 341d of the second rotating shaft assembly 3d, so as to prevent the second housing 12d and the third housing 13d from being folded relative to the second rotating shaft assembly 3d.

As shown in fig. 49C and 49D, in the process that the second housing 12D and the third housing 13D are in the open state, the first housing 11D and the second housing 12D are relatively folded from the open state to the first closed state by the first rotating shaft assembly 2D, the sliding end 2462D of the second swing arm 246D is far away from the second fixing frame 242D, and the avoidance space 2460D is left, the second swing arm 246D pulls the connecting member 41D by the driving member 42D to move in a direction far away from the second rotating shaft assembly 3D, the first end 411D of the connecting member 41D enters the avoidance space 2460D, and the second end 412D of the connecting member 41D is far away from the main shaft 31D.

Conversely, in the process that the second housing 12d and the third housing 13d are in the open state, the first housing 11d and the second housing 12d are unfolded from the first closed state to the open state through the first rotating shaft assembly 2d, the sliding end 2462d of the second swing arm 246d slides relative to the second fixing frame 242d in a direction approaching the second housing 12d, and the driving member 42d pushes the connecting member 41d to slide in a direction approaching the second rotating shaft assembly 3d, so that the second end 412d of the connecting member 41d passes through the first fixing frame 341d of the second rotating shaft assembly 3d and is clamped into the main shaft 31d.

In the fourth embodiment, as shown in fig. 47A, the connection member 41d may be provided with a stopper flange 413d, the outer diameter of the stopper flange 413d being larger than the outer diameter of the main body portion of the connection member 41 d. The driving member 42d may further include an elastic member (not shown, please refer to the structure of the driving member 42a in the first embodiment shown in fig. 37) sleeved on the connecting member 41 d. The elastic member is located at a side of the limit flange 413d near the second end 412d, and moves relative to the connection member 41d under the pushing of the limit flange 413 d. The elastic member is used for providing pushing force during the process that the second housing 12d and the third housing 13d are in the open state, and the first housing 11d and the second housing 12d are relatively folded from the open state to the first closed state through the first rotating shaft assembly 2d, and the connecting member 41d moves under the action of the pushing force, so that the second end 412d of the connecting member 41d moves in a direction away from the second rotating shaft assembly 3d, and thus the second housing 12d and the third housing 13d can be folded relative to the second rotating shaft assembly 3 d. The second housing 12d may also be provided with a receiving groove 122d, the receiving groove 122d communicating with the sliding groove 121 d. The limit flange 413d may be mounted to the receiving groove 122d.

For example, the driving member 42d may further include a first magnetic member and a second magnetic member (not shown, please refer to the structure of the driving member 42c in the third embodiment shown in fig. 44), which will not be described herein.

In some embodiments, as shown in fig. 39B and 46B, the driving member 42a may be connected between the connecting member 41a and the second rotating shaft assembly 3a, or the driving member 42c may be connected between the connecting member 41c and the second housing 12c, and in the open state of the second housing (12 a, 12 c) and the third housing (13 a, 13 c), the driving member (42 a, 42 c) is configured to provide a pushing force to push the connecting member (41 a, 41 c) to move the second end (412 a, 412 c) of the connecting member (41 a, 41 c) in a direction away from the second rotating shaft assembly (3 a, 3 c), so that the second housing (12 a, 12 c) and the third housing (13 a, 13 c) can be folded relative to the second rotating shaft assembly (3 a, 3 c) during the relative folding of the first housing (11 a, 11 c) and the second housing (12 a, 12 c).

In other embodiments, as shown in fig. 43B and 49B, the driving member (42B, 42 d) may be connected between the first rotating shaft assembly (2B, 2 d) and the connecting member (41B, 41 d), and during the opening of the second housing (12B, 12 d) and the third housing (13B, 13 d), the first housing (11B, 11 d) and the second housing (12B, 12 d) are folded relatively from the opening state to the first closing state, the driving member (42B, 42 d) is configured to provide a pulling force or an attractive force to pull the connecting member (41B, 41 d) to move the second end (412B, 412 d) of the connecting member (41B, 41 d) in a direction away from the second rotating shaft assembly (3B, 3 d), so that the second housing (12B, 12 d) and the third housing (13B, 13 d) can be folded relatively to the second rotating shaft assembly (3B, 3 d).

In the present application, other structures than the structures of the driving members (41 a, 41b, 41c, 41 d) in the above four embodiments may be adopted, and the present application is not limited thereto.

The foregoing description is merely illustrative of the present application, and the scope of the present application is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present application, and should be covered by the scope of the present application; embodiments of the application and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims

1. A foldable electronic device (1000), wherein the electronic device (1000) comprises a first housing (11), a second housing (12), a third housing (13), a first spindle assembly (2) and a second spindle assembly (3);

the first rotating shaft assembly (2) is connected between the first shell (11) and the second shell (12), the first shell (11) and the second shell (12) can be relatively unfolded or relatively folded through the rotating shaft assembly (2), the second rotating shaft assembly (3) is connected between the second shell (12) and the third shell (13), and the second shell (12) and the third shell (13) can be relatively unfolded or relatively folded through the second rotating shaft assembly (3);

The electronic device (1000) further comprises a connecting piece (41), the connecting piece (41) comprises a first end (411) and a second end (412), the first end (411) of the connecting piece (41) is close to the first rotating shaft assembly (2), and the second end (412) of the connecting piece (41) is close to the second rotating shaft assembly (3);

when the first shell (11) and the second shell (12) are in an open state, and the second shell (12) and the third shell (13) are in an open state, a second end (412) of the connecting piece (41) is connected between the second shell (12) and the second rotating shaft assembly (3), so that the second shell (12) and the third shell (13) are prevented from being folded relative to the second rotating shaft assembly (3);

during the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are relatively folded to a first closed state from the open state through the first rotating shaft assembly (2), and the second end (412) of the connecting piece (41) moves in a direction away from the second rotating shaft assembly (3);

when the first shell (11) and the second shell (12) are in a first closed state, the second shell (12) and the third shell (13) can be folded relative to the second rotating shaft assembly (3).

2. The electronic device (1000) of claim 1, wherein the connector (41) is slidably connected to the second housing (12).

3. The electronic device (1000) according to claim 1 or 2, characterized in that the second housing (12) and the third housing (13) are expandable with respect to the second spindle assembly (3) when the first housing (11) and the second housing (12) are in a first closed state;

in the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are unfolded from a first closed state to an open state through the first rotating shaft assembly (2), the second end (412) of the connecting piece (41) moves towards a direction close to the second rotating shaft assembly (3), so that the second end (412) of the connecting piece (41) is connected between the second shell (12) and the second rotating shaft assembly (3).

4. An electronic device (1000) according to any of claims 1-3, characterized in that the first spindle assembly (2) comprises a first movement (20);

during the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are relatively folded to a first closed state from the open state through the first rotating shaft assembly (2), the first moving part (20) of the first rotating shaft assembly (2) moves in a direction away from the second shell (12), and an avoidance space (2460) is formed between the first moving part (20) and the second shell (12); a first end (411) of the connecting piece (41) enters the avoidance space (2460), and a second end (412) of the connecting piece (41) moves away from the second rotating shaft assembly (3).

5. The electronic device (1000) of claim 4, wherein the first spindle assembly (2) comprises a spindle (21), a first swing arm (245) and a second swing arm (246), the second swing arm (246) comprising a rotating end (2461) and a sliding end (2462), the rotating end (2461) of the second swing arm (246) being rotatably coupled to the spindle (21) of the first spindle assembly (2), the sliding end (2462) of the second swing arm (246) being slidably coupled to the second housing (12); -said first movement (20) comprises said second swing arm (246);

when the first shell (11) and the second shell (12) are in an open state, a first end (411) of the connecting piece (41) is close to a sliding end (2462) of a second swing arm (246) of the first rotating shaft assembly (2);

in the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are relatively folded to a first closed state from the open state through the first rotating shaft assembly (2), a first swing arm (245) and a second swing arm (246) of the first rotating shaft assembly (2) are relatively folded, a sliding end (2462) of the second swing arm (246) of the first rotating shaft assembly (2) moves in a direction away from the second shell (12), and an avoidance space (2460) is formed between the sliding end (2462) of the second swing arm (246) and the second shell (12).

6. The electronic device (1000) of any of claims 1-5, wherein the second spindle assembly (3) comprises a spindle (31), a first mount (341), and a second mount (342);

the first fixing frame (341) is fixedly connected with the second shell (12);

the second fixing frame (342) is fixedly connected with the third shell (13);

when the first shell (11) and the second shell (12) are in an open state, and the second shell (12) and the third shell (13) are in an open state, the first fixing frame (341) and the second fixing frame (342) of the second rotating shaft assembly (3) are relatively unfolded, and the first fixing frame (341) and the main shaft (31) of the second rotating shaft assembly (3) are fixedly connected through the second end (412) of the connecting piece (41);

during the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are relatively folded from the open state to a first closed state, and the second end (412) of the connecting piece (41) moves in a direction away from the main shaft (31) of the second rotating shaft assembly (3);

when the first shell (11) and the second shell (12) are in a first closed state, the first fixing frame (341) and the main shaft (31) of the second rotating shaft assembly (3) can move relatively.

7. The electronic device (1000) according to claim 6, characterized in that the first holder (341) of the second spindle assembly (3) is provided with a through hole (3415), the spindle (31) of the second spindle assembly (3) is provided with a recess (313), the opening of the recess (313) being directed towards the through hole (3415) of the first holder (341) of the second spindle assembly (3);

when the first shell (11) and the second shell (12) are in an open state, and the second shell (12) and the third shell (13) are in an open state, a second end (412) of the connecting piece (41) passes through a first fixing frame (341) of the second rotating shaft assembly (3) through the through hole (3415) and is inserted into the groove (313) so as to fixedly connect the first fixing frame (341) and a main shaft (31) of the second rotating shaft assembly (3);

-during the relative folding of the second housing (12) and the third housing (13) from the open condition to the first closed condition, the second end (412) of the connecting member (41) moves away from the recess (313);

when the first shell (11) and the second shell (12) are in a first closed state, the second end (412) of the connecting piece (41) leaves the groove (313), and the first fixing frame (341) and the main shaft (31) of the second rotating shaft assembly (3) can move relatively.

8. The electronic device (1000) according to any of claims 1-7, wherein the electronic device (1000) further comprises a driver (42), at least one of the connector (41), the first spindle assembly (2), the second spindle assembly (3) or the second housing (12) being provided with the driver (42);

in the process that the second shell (12) and the third shell (13) are in an open state, the first shell (11) and the second shell (12) are relatively folded to a first closed state from the open state through the first rotating shaft assembly (2), and the driving piece (42) is used for driving the second end (412) of the connecting piece (41) to move in a direction away from the second rotating shaft assembly (3).

9. The electronic device (1000 a) according to claim 8, wherein the driving member (42 a) is an elastic member, the driving member (42 a) is disposed at the second end of the connecting member (41 a), one end of the driving member (42 a) abuts against the connecting member (41 a), and the other end of the driving member (42 a) abuts against the second rotating shaft assembly (3 a).

10. The electronic device (1000 b) of claim 8, wherein the driving member (42 b) comprises a first magnetic member (421 b) and a second magnetic member (422 b), the first magnetic member (421 b) and the second magnetic member (422 b) being respectively fixed to a sliding end (2462 b) of the second swing arm (246 b) of the first spindle assembly (2 b) and a first end (411 b) of the connecting member (41 b), an attractive force being present between the first magnetic member (421 b) and the second magnetic member (422 b), the first end (411 b) of the connecting member (41 b) moving with the sliding end (2462 b) of the second swing arm (246 b) of the first spindle assembly (2 b) under the attractive force.

11. The electronic device (1000 c) according to claim 8, wherein the driving member (42 c) includes a third magnetic member (423 c) and a fourth magnetic member (424 c), the third magnetic member (423 c) is fixed to the second housing (12 c) and movably sleeved on the connecting member (41 c), the fourth magnetic member (424 c) is fixedly sleeved on the connecting member (41 c) and is located on a side of the third magnetic member (423 c) close to the second rotating shaft assembly (3 c), and an attractive force exists between the third magnetic member (423 c) and the fourth magnetic member (424 c);

when the first shell (11 c) and the second shell (12 c) are in an open state, and the second shell (12 c) and the third shell (13 c) are in an open state, a space exists between the third magnetic piece (423 c) and the fourth magnetic piece (424 c);

during the relative folding of the first housing (11 c) and the second housing (12 c) from the open state to the first closed state by the first rotating shaft assembly (2 c), the fourth magnetic member (424 c) moves in a direction approaching the third magnetic member (423 c) under the attraction force, so that the second end (412 c) of the connecting member (41 c) moves in a direction away from the second rotating shaft assembly (3 c).

12. The electronic device (1000 c) according to claim 8, wherein the driving member (42 c) includes a third magnetic member (423 c) and a fourth magnetic member (424 c), the third magnetic member (423 c) is fixed to the second housing (12 c) and movably sleeved on the connecting member (41 c), the fourth magnetic member (424 c) is fixedly sleeved on the connecting member (41 c) and is located on a side of the third magnetic member (423 c) away from the second rotating shaft assembly (3 c), and a repulsive force exists between the third magnetic member (423 c) and the fourth magnetic member (424 c);

when the first shell (11 c) and the second shell (12 c) are in an open state, and the second shell (12 c) and the third shell (13 c) are in an open state, the third magnetic piece (423 c) and the fourth magnetic piece (424 c) are in contact or have a gap; during the relative folding of the first housing (11 c) and the second housing (12 c) from the open state to the first closed state by the first spindle assembly (2 c), the fourth magnetic member (424 c) moves away from the third magnetic member (423 c) under the action of repulsive force, so that the second end (412 c) of the connecting member (41 c) moves away from the second spindle assembly (3 c).

13. The electronic device (1000 d) of claim 8, wherein the driving member (42 d) includes a first rotational end (421 d) and a second rotational end (422 d), the first rotational end (421 d) of the driving member (42 d) being rotatably coupled to the sliding end (2462 d) of the second swing arm (246 d) of the first pivot assembly (2 d), the second rotational end (422 d) of the driving member (42 b) being rotatably coupled to the first end (411 d) of the coupling member (41 d).

14. The electronic device (1000) of any of claims 1-13, wherein the electronic device (1000) further comprises a screen (200), the first housing (11), the second housing (12), the third housing (13), the first spindle assembly (2) and the second spindle assembly (3) together carrying the screen (200).

15. A housing arrangement (100) for a foldable electronic device (1000), wherein the housing arrangement (100) comprises a first housing (11), a second housing (12), a third housing (13), a first spindle assembly (2) and a second spindle assembly (3);

The housing arrangement (100) further comprises a connecting piece (41), the connecting piece (41) comprises a first end (411) and a second end (412), the first end (411) of the connecting piece (41) is close to the first rotating shaft assembly (2), and the second end (412) of the connecting piece (41) is close to the second rotating shaft assembly (3);

16. The housing arrangement (100) according to claim 15, wherein the connecting member (41) is slidingly connected with the second housing (12).

17. The housing arrangement (100) according to claim 15 or 16, wherein the second housing (12) and the third housing (13) are expandable with respect to the second spindle assembly (3) when the first housing (11) and the second housing (12) are in a first closed state;

18. The housing arrangement (100) according to any one of claims 15 to 17, wherein the first spindle assembly (2) comprises a first movement member (20);

19. The housing arrangement (100) of claim 18, wherein the first spindle assembly (2) comprises a spindle (21), a first swing arm (245) and a second swing arm (246), the second swing arm (246) comprising a rotating end (2461) and a sliding end (2462), the rotating end (2461) of the second swing arm (246) being rotatably connected to the spindle (21) of the first spindle assembly (2), the sliding end (2462) of the second swing arm (246) being slidably connected to the second housing (12); -said first movement (20) comprises said second swing arm (246);

20. The housing arrangement (100) according to any one of claims 15 to 19, wherein the second spindle assembly (3) comprises a spindle (31), a first mount (341) and a second mount (342);

the first fixing frame (341) is fixedly connected with the second shell (12);

the second fixing frame (342) is fixedly connected with the third shell (13);

21. The housing arrangement (100) according to claim 20, wherein the first holder (341) of the second spindle assembly (3) is provided with a through hole (3415), the spindle (31) of the second spindle assembly (3) is provided with a recess (313), and an opening of the recess (313) is directed towards the through hole (3415) of the first holder (341) of the second spindle assembly (3);

22. The housing arrangement (100) according to any one of claims 15 to 21, wherein the housing arrangement (100) further comprises a drive member (42), at least one of the connection member (41), the first spindle assembly (2), the second spindle assembly (3) or the second housing (12) being provided with the drive member (42);

23. The housing arrangement (100 a) according to claim 22, wherein the driving member (42 a) is an elastic member, the driving member (42 a) is disposed at the second end of the connecting member (41 a), one end of the driving member (42 a) abuts against the connecting member (41 a), and the other end of the driving member (42 a) abuts against the second rotating shaft assembly (3 a).

24. The housing arrangement (100 b) according to claim 22, wherein the driving member (42 b) comprises a first magnetic member (421 b) and a second magnetic member (422 b), the first magnetic member (421 b) and the second magnetic member (422 b) being fixed to the sliding end (2462 b) of the second swing arm (246 b) of the first spindle assembly (2 b) and the first end (411 b) of the connecting member (41 b), respectively, an attractive force being present between the first magnetic member (421 b) and the second magnetic member (422 b), the first end (411 b) of the connecting member (41 b) moving with the sliding end (2462 b) of the second swing arm (246 b) of the first spindle assembly (2 b) under the effect of the attractive force.

25. The housing device (100 c) according to claim 22, wherein the driving member (42 c) includes a third magnetic member (423 c) and a fourth magnetic member (424 c), the third magnetic member (423 c) is fixed to the second housing (12 c) and movably sleeved on the connecting member (41 c), the fourth magnetic member (424 c) is fixedly sleeved on the connecting member (41 c) and is located on a side of the third magnetic member (423 c) close to the second rotating shaft assembly (3 c), and an attractive force exists between the third magnetic member (423 c) and the fourth magnetic member (424 c);

26. The housing device (100 c) according to claim 22, wherein the driving member (42 c) includes a third magnetic member (423 c) and a fourth magnetic member (424 c), the third magnetic member (423 c) is fixed to the second housing (12 c) and movably sleeved on the connecting member (41 c), the fourth magnetic member (424 c) is fixedly sleeved on the connecting member (41 c) and is located on a side of the third magnetic member (423 c) away from the second rotating shaft assembly (3 c), and a repulsive force exists between the third magnetic member (423 c) and the fourth magnetic member (424 c);

27. The housing arrangement (100 d) according to claim 22, wherein the driving member (42 d) comprises a first rotational end (421 d) and a second rotational end (422 d), the first rotational end (421 d) of the driving member (42 d) being rotatably connected to the sliding end (2462 d) of the second swing arm (246 d) of the first pivot assembly (2 d), the second rotational end (422 d) of the driving member (42 b) being rotatably connected to the first end (411 d) of the connecting member (41 d).