CN113949757A

CN113949757A - Folding device and electronic equipment

Info

Publication number: CN113949757A
Application number: CN202010694137.7A
Authority: CN
Inventors: 王刚
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2022-01-18

Abstract

The application provides a folding device and electronic equipment, this folding device includes: the door panel support comprises a first rotating part, a second rotating part, a connecting base, a first rotating arm assembly, a second rotating arm assembly, a first door panel support and a second door panel support; in the process that the first rotating part and the second rotating part rotate oppositely, the first rotating part slides relative to the first rotating arm component, the second rotating part slides relative to the second rotating arm component and drives the first door panel supporting piece and the second door panel supporting piece to rotate respectively, and therefore accommodating spaces are formed among the first door panel supporting piece, the second door panel supporting piece and the connecting base. The folding device and the electronic equipment provided by the embodiment of the application have the accommodating space capable of accommodating the foldable part of the foldable electronic equipment, and the folded flexible screen is tightly attached, so that the folded whole machine is thinner, foreign matters can be effectively prevented from entering the folding device, and the service life of the electronic equipment is prolonged.

Description

Folding device and electronic equipment

Technical Field

The present application relates to the field of electronic devices, and in particular, to a folding device and an electronic device.

Background

With the development of electronic device technology, users have increasingly high demands for electronic devices with large size and easy carrying, and therefore electronic devices with foldable display screens are receiving wide attention. The folding screen can be unfolded when in use to provide a larger display area, and is switched to a folding state when not in use, so that the folding screen is convenient for a user to carry.

The foldable electronic equipment generally needs to be folded by means of a folding device, and because the foldable screen is fragile, in order to ensure that the foldable screen is not pulled or extruded, the appearance of the whole product is greatly deformed at the bent part of a middle rotating shaft, so that the folded flexible screen cannot be tightly attached, the thickness of the bent part is larger than the whole thickness of the whole product, and the appearance effect is poor; and have great gap between the screen of mutual folding, the electronic equipment after folding is thick and be difficult to prevent the foreign matter entering, has reduced foldable electronic equipment's life.

Disclosure of Invention

The application provides a folding device and electronic equipment, but has the accommodating space of the foldable part of holding foldable electronic equipment, and the flexible screen after folding closely laminates for the complete machine after folding is thinner, and can prevent effectively that the foreign matter from getting into, has improved electronic equipment's life.

In a first aspect, a folding apparatus is provided, which is applied to a foldable electronic device, and includes: a first rotating member 110, a second rotating member 120, and a connection base 130; the connecting base 130 is located between the first rotating member 110 and the second rotating member 120, and the first rotating member 110 and the second rotating member 120 can rotate relative to the connecting base 130; the axes around which the first rotating member 110 and the second rotating member 120 rotate are respectively parallel to the length direction of the connecting base 130; a first rotating arm assembly including two first rotating arms 140, wherein the two first rotating arms 140 are respectively disposed at two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130, and each first rotating arm 140 is rotatably connected to the connecting base 130 and can slide relative to the first rotating member 110; a second rotating arm assembly including two second rotating arms 150, wherein the two second rotating arms 150 are respectively disposed at two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130, and each second rotating arm 150 is rotatably connected to the connecting base 130 and can slide relative to the second rotating member 120; a first door panel supporter 180 having one end slidably connected to the first rotating member 110 and the other end rotatably connected to the connection base 130; a second door panel supporting member 190 having one end slidably coupled to the second rotating member 120 and the other end rotatably coupled to the coupling base 130; in the process that the first rotating member 110 and the second rotating member 120 rotate to the first position in the opposite direction, the first rotating arm assembly and the second rotating arm assembly are driven to rotate to the first position in the opposite direction, the first rotating member 110 slides relative to the first rotating arm assembly, the second rotating member 120 slides relative to the second rotating arm assembly, and the first rotating member 110 and the second rotating member 120 further drive the first door panel support 180 and the second door panel support 190 to rotate to the second position in the opposite direction, so that an accommodating space is formed among the first door panel support 180, the second door panel support 190 and the connecting base 130, and the accommodating space accommodates the foldable portion of the flexible display 200 of the foldable electronic device.

Through the folding device that this application embodiment provided, in the folding in-process, first rotating member, the second rotating member drives first rotating arm subassembly respectively, second rotating arm subassembly rotates, and simultaneously, first rotating member slides relative first rotating arm subassembly, the second rotating member slides relative second swinging boom, and drive first door plant support piece respectively, second door plant support piece rotates, make this folding device form the accommodating space who is used for accommodating flexible display screen collapsible portion, thereby protect flexible display screen not by the breakage, and flexible display screen can fully laminate, make the complete machine after folding thinner, and the foreign matter can't get into in the gap after folding, thereby can realize the effective protection to flexible display screen, electronic equipment's life-span has been improved.

In one possible design, the folding device further comprises: a first rack 161 fixedly disposed at each end of the first rotating member 110 perpendicular to the length direction of the connecting base 130, a first transmission gear 162 rotatably coupled to the first rotating arm 140, and a first fixed gear 163 fixedly disposed at each end of the connecting base 130 in the length direction, wherein the first rack 161 is engaged with the first transmission gear 162, and the first transmission gear 162 is engaged with the first fixed gear 163; a second rack 171 fixedly disposed at both ends of the second rotating member 120 perpendicular to the length direction of the connection base 130, respectively, a second transmission gear 172 rotatably connected to the second rotating arm 150, and second fixed gears 173 fixedly disposed at both ends of the connection base 130 in the length direction, wherein the second rack 171 is engaged with the second transmission gear 172, and the second transmission gear 172 is engaged with the second fixed gear 173; during the process that the first rotating member 110 and the second rotating member 120 rotate to the first position, the first rotating arm assembly and the second rotating arm assembly rotate to each other, the first transmission gear 162 rotates relative to the first fixed gear 163, the first rotating member 110 slides relative to the first rotating arm assembly through the meshing transmission of the first transmission gear 162 and the first rack 161, the second transmission gear 172 rotates relative to the second fixed gear 173, and the second rotating member 120 slides relative to the second rotating arm assembly through the meshing transmission of the second transmission gear 172 and the second rack 171.

In the embodiment of the application, in the process that the first rotating member and the second rotating member rotate oppositely, the transmission gear rotates relative to the fixed gear, and the rack is in meshing transmission with the transmission gear, so that the first rotating member slides relative to the first rotating arm assembly, and the second rotating member slides relative to the second rotating arm assembly. Through the meshing transmission of rack and pinion for collapsible electronic equipment is at the folding in-process, and two rotating member pivoted angles and the gliding distance between rotating member and the rotating arm subassembly keep linear relation, and rotating member and rotating arm subassembly can be according to the proportion motion of setting for promptly, thereby can avoid flexible display screen at folding in-process transition extrusion and drag, make flexible display screen keep leveling when rotating, especially under the suitable condition of proportion that should set for, can keep the flexible screen permanent length, thereby improved folding reliability.

In the embodiment of the application, two rotating parts in-process of rotating in opposite directions, drive two swinging boom subassemblies respectively and rotate, and swinging boom subassembly's rotation can drive gear and rotate, this drive gear respectively with rack and fixed gear meshing transmission, make the rotation of this rotating part and the sliding of rotating part for the swinging boom subassembly keep synchronous, and the turned angle of this rotating part and the sliding displacement of rotating part for the swinging boom subassembly have proportional relation, thereby guarantee that flexible screen all keeps leveling at whole motion in-process, can not cause the arch camber because only slide not to rotate or only rotate not to slide.

In a possible design, each of the first rotating arms 140 includes a first rotating head 141 and a first sliding rod 142, one end of the first rotating head 141 is fixedly connected to the first sliding rod 142, the other end is rotatably connected to the connecting base 130, and the first transmission gear 162 is rotatably disposed on the first rotating head 141; each second rotating arm 150 includes a second rotating head 151 and a second sliding rod 152, one end of the second rotating head 151 is fixedly connected with the second sliding rod 152, the other end is rotatably connected with the connecting base 130, and the second transmission gear 172 is rotatably disposed at the second rotating head 151; the first and second rotating

members

110 and 120 include moving spaces for accommodating the first and second

sliding bars

142 and 152 to slide, respectively.

In the embodiment of the present application, the movable space in which the sliding rod slides may be disposed on the rotating member, or a partial space provided by the rotating member and a partial space provided by the rotating arm, which jointly form the movable space, or an external sliding cover provides the movable space, and the movable space may be located at a middle position between the rotating member and the rotating arm assembly, or at a position above or below the middle position, etc.

In one possible design, the folding device further comprises: a first sliding cover assembly, which includes two first sliding covers 115, where the two first sliding covers 115 are respectively fixedly disposed at two ends of the first rotating member 110 perpendicular to the length direction of the connection base 130, and a moving space for the first sliding rod 142 to slide is formed between each first sliding cover 115 and the first rotating member 110; the second sliding cover assembly includes two second sliding covers 125, the two second sliding covers 125 are respectively and fixedly disposed at two ends of the second rotating member 120 perpendicular to the length direction of the connection base 130, and a moving space for the second sliding rod 152 to slide is formed between each second sliding cover 125 and the second rotating member 120.

According to the folding device provided by the embodiment of the application, the first sliding cover and the second sliding cover are respectively and fixedly arranged on the first rotating piece and the second rotating piece, and the movable space for the sliding rod to slide is formed between the rotating piece and the sliding covers, so that the rotating piece can only slide in the horizontal direction relative to the rotating arm assembly and cannot slide in the vertical direction, and the folding reliability is improved.

Reasonable first sliding closure, second sliding closure, first rotating head portion, the length of second rotating head portion of setting up can make when folding device is opened up the flat time, and the lateral wall of first sliding closure and first rotating head portion just butts each other to the lateral wall of second sliding closure and second rotating head portion just butts each other. When the folding device is folded, gaps can be formed between the first sliding cover and the side wall of the first rotating head part and between the second sliding cover and the side wall of the second rotating head part.

In the embodiment of the present application, the first sliding cover and the second sliding cover may be respectively disposed on the sidewalls of the first rotating member and the second rotating member by means of screw connection, snap connection, and the like, which is not limited in the present application.

In the embodiment of the present application, the movable space in which the sliding rod slides may be disposed on the rotating member, or disposed in the sliding cover, or a part of the space provided by the rotating member and a part of the space provided by the sliding cover jointly form the movable space, which is not limited in the present application.

In a possible design, two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130 are respectively provided with a first groove, two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130 are respectively provided with a second groove, each first rotating arm 140 is provided with a first protrusion, and each second rotating arm 150 is provided with a second protrusion; the first groove is connected with the first protrusion in a sliding mode, and the second groove is connected with the second protrusion in a sliding mode.

In this embodiment, the groove may be further disposed in the rotating arm assembly, and the protrusion is disposed in the rotating member, so that the protrusion and the groove form a sliding type clamping structure, or the groove and the protrusion are disposed in the rotating arm assembly, and the protrusion and the groove are correspondingly disposed in the rotating member, so that the protrusion and the groove form a sliding type clamping structure. It should be understood that any sliding type clamping structure can be adopted between the rotating arm assembly and the rotating member, and the application is not limited to this.

The embodiment of the present application does not limit the specific positions of the protrusions and the grooves in the rotating member or the rotating arm assembly, and for example, the protrusions and the grooves may be located at the middle position, above or below of the two ends of the rotating member perpendicular to the length direction of the connecting base, or at the middle position, above or below of the rotating arm.

In a possible design, two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130 are further respectively provided with a first ball plunger 116 for damping the sliding of the first sliding rod 142, and the first sliding rod 142 is provided with one or more limiting grooves for accommodating the ball of the first ball plunger 116; the two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130 are further respectively provided with a second ball plunger 126 providing damping for the sliding of the second sliding rod 152, and the second sliding rod 152 is provided with one or more limiting grooves for accommodating the ball of the second ball plunger 126.

This application embodiment provides the damping for the slip of slide bar through setting up bulb plunger to can provide invariable folding feel for the user. When the ball plunger is folded to a preset position (such as a folding completion state or a flattening state), the ball head in the ball plunger is popped into the in-place groove, so that in-place force feedback and in-place sound feedback are performed for a user, a prompt of the folding state and the flattening state is provided for the user, and the use experience of the user is improved.

In a possible design, two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130 are respectively provided with a first sliding slot 111, two ends of the first door panel supporting member 180 in the length direction are respectively provided with a first sliding pin 181, and the first sliding pin 181 is slidably disposed in the first sliding slot 111; two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130 are respectively provided with a second sliding slot 121, two ends of the second door panel supporting member 190 in the length direction are respectively provided with a second sliding pin 191, and the second sliding pin 191 is slidably disposed in the second sliding slot 121.

In the embodiment of the application, the sliding connection between the door panel and the rotating member is realized by correspondingly arranging a combination of a sliding chute, a sliding pin and the like. In other embodiments, the sliding pin may be disposed on the rotating member, and the sliding groove may be correspondingly disposed on the door panel. This application embodiment realizes the sliding connection between door plant and the rotating member through spout, sliding pin, need not occupy too big space when guaranteeing smooth and easy gliding, is favorable to improving the inside structural configuration of electronic equipment.

In a possible design, the first sliding groove 111 and the second sliding groove 121 are disposed to be inclined upward in a direction away from the longitudinal direction of the connection base 130.

In other embodiments, the first sliding groove and the second sliding groove may be disposed in other directions, for example, the directions of the first sliding groove and the second sliding groove may be parallel to the bearing surface direction of the rotating element, or the first sliding groove and the second sliding groove are disposed in a downward inclination manner in a direction away from the rotation axial direction, which is not limited in this application. At this time, the first door panel supporter, the second door panel supporter and the connection base have a substantially rectangular or trapezoidal structure.

In one possible design, the connection mount 130 includes: a bridge 132; connecting lugs 131 respectively fixed at both ends of the bridge 132 in the length direction, one end of the first door panel support 180 is rotatably connected to the connecting lugs 131, and one end of the second door panel support 190 is rotatably connected to the connecting lugs 131; in the process of rotating the first rotating member 110 and the second rotating member 120 to the third position in the opposite direction, the first rotating arm 140 and the second rotating arm 150 are driven to rotate in the opposite direction to the third position, the first rotating member 110 slides relative to the first rotating arm 140, the second rotating member 120 slides relative to the second rotating arm 140, and drives the first door panel supporting member 180 and the second door panel supporting member 190 to rotate in the opposite direction to the fourth position, so that the first door panel supporting member 180 and the second door panel supporting member 190 are in flat butt joint and located above the connecting bridge 132 to support the flat surface of the flexible display screen 200.

Among this technical scheme, at collapsible electronic equipment from fold condition rotation to the in-process of flat-out state, the rotating member drives swivel arm subassembly and rotates, and the relative swivel arm subassembly of rotating member slides to drive door plant support piece respectively and rotate, make two door plant support piece can level and smooth butt joint and lie in the top of connecting the bridge, thereby this door plant support piece can provide the support for flexible display screen, make the collapsible part surface of this flexible display screen level and smooth.

In one possible design, the folding apparatus further includes a folding synchronization assembly 1010, the folding synchronization assembly 1010 includes a first synchronization gear 1011 fixedly disposed on each of the first rotating arms 140, a second synchronization gear 1012 disposed on each of the second rotating arms 150, and the first synchronization gear 1011 and the second synchronization gear 1012 are in gear engagement.

In the embodiment of the application, through the folding synchronous component, the synchronous movement of the two rotating pieces can be realized, so that the flexible display screen is not easy to damage in the folding process, and the folding reliability of the foldable electronic equipment can be improved. The first synchronizing gear and the second synchronizing gear are meshed with each other, and may be directly meshed or indirectly meshed, which is not limited in the present application.

In one possible design, the teeth of the first synchronizing gear 1011 are disposed on a partial circumference of the first synchronizing gear 1011, and the teeth of the second synchronizing gear 1012 are disposed on a partial circumference of the second synchronizing gear 1012.

In the technical scheme, the gear teeth of the first synchronizing gear and the second synchronizing gear are arranged on the periphery of a part, so that the angle between the rotating pieces can be limited between 0 degree and 180 degrees, the electronic equipment can not be reversely folded in the flattening state, and the folding state and the flattening state of the foldable electronic equipment are improved in stability.

In one possible design, the folding synchronization assembly 1010 further includes a third drive gear 1013, a fourth drive gear 1014, and the first synchronization gear 1011 is geared with the second synchronization gear 1012 via the third drive gear 1013 and the fourth drive gear 1014.

In one possible design, the folding device further comprises: the end cover is fixedly arranged on the connecting base and covers the folding synchronous component; the third transmission gear is rotationally connected to the first rotating arm and/or the end cover; the fourth transmission gear is rotatably connected to the second rotating arm and/or the end cover.

In one possible design, the folding device further comprises: a first shielding member 197, one end of the first shielding member 197 is slidably connected to the first rotating member 110, and the other end is fixedly connected to the connecting base 130, the first shielding member 197 is used for shielding a gap formed between the first rotating member 110 and the connecting base 130 when the first rotating member 110 rotates relative to the connecting base 130; one end of the second shielding member 198 is slidably connected to the second rotating member 120, and the other end of the second shielding member 198 is fixedly connected to the connecting base 130, and the second shielding member 198 is used for shielding a gap formed between the second rotating member 120 and the connecting base 130 when the second rotating member 198 rotates relative to the connecting base 130.

Alternatively, the shield may be a resilient metal sheet, such as a stainless steel or copper sheet. One end of the elastic metal sheet is fixedly connected with the connecting base, and the other end of the elastic metal sheet extends into the rotating piece and is in sliding connection with the rotating piece. When the folding device is folded, the elastic metal sheet can slide to the outside of the rotating member, and after being unfolded, the elastic metal sheet can slide into the rotating member. In order to ensure the free retraction, the elastic metal sheet can be connected with the rotating piece through a spring.

Alternatively, the shield may be made of a flexible material, both ends of which are fixedly connected to the rotary member and the connection base 130, respectively, and the flexible material is spread when the folding device is folded, and the flexible material may be folded after the folding device is unfolded. For example, the flexible material may be leather or rubber or the like.

In a second aspect, an electronic device is provided, which further includes a flexible display screen covering the folding device, wherein the flexible display screen includes a first display portion fixed to the first rotating member 110, a second display portion fixed to the second rotating member 120, and a foldable display portion located between the first display portion and the second display portion.

In one possible design, the electronic device further includes a first functional device, the first functional device is fixed to the first rotating member 110, and the flexible display screen covers the first functional device; the electronic device further includes a second functional device fixed to the second rotating member 120, and a circuit board connecting the first functional device and the second functional device, the flexible display screen covering the second functional device and the circuit board.

Drawings

Fig. 1 is a schematic structural diagram of a foldable electronic device according to an embodiment of the present application.

Fig. 2 is an exploded schematic view of an electronic device provided in an embodiment of the present application.

Fig. 3 is a back view of a folding device provided in an embodiment of the present application.

Fig. 4 is an exploded view of a folding device according to an embodiment of the present disclosure.

Fig. 5 is another exploded view of the folding device according to the embodiment of the present disclosure.

Fig. 6 is a partially enlarged schematic view of the region a in fig. 4.

Fig. 7 is a partially enlarged schematic view of a region B in fig. 5.

Fig. 8 is a schematic view showing a connection relationship between the first rotating assembly and the second rotating assembly in a flattened state of the folding apparatus.

Fig. 9 is a schematic structural diagram of an electronic device provided in an embodiment of the present application in a folded state with different cross sections.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments.

In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

It should be noted that the same reference numerals are used to denote the same components or parts in the embodiments of the present application, and for the same parts in the embodiments of the present application, only one of the parts or parts may be given the reference numeral, and it should be understood that the reference numerals are also applicable to the other same parts or parts.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, it is to be understood that the terms "upper", "lower", "side", "inner", "outer", and the like indicate orientations or positional relationships based on installation, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it should be noted that the term "and/or" is only one kind of association relationship describing an associated object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone.

According to the foldable electronic device provided by the embodiment of the application, the electronic device can be any device with a communication and/or storage function, for example, the electronic device can be an intelligent device such as a mobile phone, a tablet computer, a watch, an electronic reader, a notebook computer, a vehicle-mounted device, a network television, a wearable device and the like.

Referring to fig. 1, fig. 1 is a schematic view of an electronic device 1000 according to an embodiment of the disclosure. Fig. 2 is an exploded schematic view of an electronic device 1000 according to an embodiment of the present disclosure.

As shown in fig. 1 and 2, an electronic device 1000 provided by the embodiment of the present application includes a folding device 100 and a flexible display 200, and the flexible display 200 covers the folding device 100. The flexible display 200 includes a first display portion 210 fixed to the first rotating member 110, a second display portion 220 fixed to the second rotating member 120, and a foldable display portion 230 located between the first display portion 210 and the second display portion 220.

Flexible displays, also called foldable displays, are currently attracting much attention due to their unique characteristics and great potential. Compared with the traditional screen, the flexible screen has the characteristics of strong flexibility and flexibility, can provide a new interaction mode based on the bendable characteristic for a user, and can meet more requirements of the user on electronic equipment.

The flexible display panel 200 includes a display panel, and the display panel may adopt any one of a Liquid Crystal Display (LCD), an organic light-emitting diode (OLED), an active-matrix organic light-emitting diode (active-matrix organic light-emitting diode, AMOLED), a flexible light-emitting diode (FLED), a quantum dot light-emitting diode (QLED), and the like, which is not limited in the present application.

Fig. 3 is a back view of the folding device 100 provided in the embodiments of the present application. Fig. 4 is an exploded view of the folding device 100 according to the embodiment of the present application, and fig. 5 is another exploded view of the folding device 100 according to the embodiment of the present application. Fig. 6 is a partially enlarged schematic view of the region a in fig. 4. Fig. 7 is a partially enlarged schematic view of a region B in fig. 5.

With reference to fig. 1-7, the folding device 100 may include:

a first rotating member 110, a second rotating member 120, and a connection base 130;

the connecting base 130 is located between the first rotating member 110 and the second rotating member 120, the first rotating member 110 and the second rotating member 120 can rotate relative to the connecting base 130, and the axes around which the first rotating member 110 and the second rotating member 120 rotate are respectively parallel to the length direction of the connecting base 130;

a first rotating arm assembly including two first rotating arms 140, wherein the two first rotating arms 140 are respectively disposed at two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130, and each first rotating arm 140 is rotatably connected to the connecting base 130 and can slide relative to the first rotating member 110;

the second rotating arm assembly comprises two second rotating arms 150, the two second rotating arms 150 are respectively arranged at two ends of the second rotating piece 120 perpendicular to the length direction of the connecting base 130, and each second rotating arm 150 is rotatably connected with the connecting base 130 and can slide relative to the second rotating piece 120;

a first door panel supporter 180 having one end slidably coupled to the first rotating member 110 and the other end rotatably coupled to the coupling base 130;

a second door panel supporting member 190 having one end slidably coupled to the second rotating member 120 and the other end rotatably coupled to the coupling base 130;

in the process that the first rotating member 110 and the second rotating member 120 rotate to the first position in the opposite direction, the first rotating arm assembly and the second rotating arm assembly are driven to rotate to the first position in the opposite direction, the first rotating member 110 slides relative to the first rotating arm assembly, the second rotating member 120 slides relative to the second rotating arm assembly, and the first rotating member 110 and the second rotating member 120 further drive the first door panel support member 180 and the second door panel support member 190 to rotate to the second position in the opposite direction, so that an accommodating space is formed among the first door panel support member 180, the second door panel support member 190 and the connecting base 130, and the accommodating space accommodates the foldable portion of the flexible display screen 200 of the foldable electronic device.

In the embodiment of the present invention, the two first rotating arms 140 are respectively rotatably connected to two ends of the connecting base 130 in the length direction, so that the two first rotating arms 140 and the connecting base 130 form a U-shaped structure, and the U-shaped structure is used for clamping the first rotating member 110.

Similarly, the two second rotating arms 150 are respectively rotatably connected to two ends of the connecting base 130 in the length direction, so that the two second rotating arms 150 and the connecting base 130 form a U-shaped structure, and the U-shaped structure is used for clamping the second rotating member 120.

The width of the U-shaped structure is adapted to the width of the first 110 and second 120 rotating members with which the rotating arm assembly can slide relative to each other. The rotating arm component and the rotating member can slide relatively, which means that the rotating arm component and the rotating member can contact but are not fixed, and can generate relative displacement under the action of external force.

In one aspect, two first rotating arms 140 and connecting base 130 clamp first rotating member 110, and first rotating arms 140 and first rotating member 110 rotate synchronously. On the other hand, under the action of external force, first rotating member 110 can slide in a direction away from or close to connecting base 130 with respect to first rotating arm 140.

Similarly, the two second rotating arms 150 can clamp the second rotating member 120 through the connecting base 130, and the second rotating arms 150 and the second rotating member 120 rotate synchronously. Under the action of the external force, the second rotating member 120 can slide in a direction away from or close to the connecting base 130 relative to the second rotating arm 150.

The embodiment of the present application is not limited to how first rotating arm 140 and second rotating arm 150 are rotatably connected to connecting base 130. For example, the rotation connection between the first rotating arm 140 and the connecting base 130 can be realized by a rotating shaft, one end of which is fixedly connected to the connecting base 130, and the other end of which is rotatably connected to the first rotating arm 140. Alternatively, one end of the rotating shaft may be rotatably connected to the connecting base 130, and the other end of the rotating shaft is fixedly connected to the first rotating arm 140, so that the first rotating arm 140 can be rotatably connected to the connecting base 130.

It should be understood that the first position in the embodiments of the present application may be a position where the first rotating member and the second rotating member are located when the foldable electronic device is in the folded state, and it should be understood that planes of the first rotating member and the second rotating member are parallel to each other when the electronic device is in the fully folded state. The second position in the embodiment of the present application may be a position where the first door panel support and the second door panel support are located when the foldable electronic device is in the folded state, and an accommodating space for accommodating a foldable portion of the flexible display 200 of the foldable electronic device is formed between the first door panel support and the second door panel support and the base, it should be understood that, when the electronic device is in the completely folded state, a certain included angle is formed between the first door panel support and the second door panel support, and the accommodating space is similar to a water drop shape.

In order to ensure the reliability of the folding process of the electronic device and avoid the flexible display screen from being damaged during the folding process, embodiments of the present application provide a set of rack and pinion transmission assemblies, as shown in fig. 5 to 7, the folding apparatus 100 may further include:

a first rack 161 fixedly disposed at each end of the first rotating member 110 perpendicular to the longitudinal direction of the connection base 130, a first transmission gear 162 rotatably coupled to the first rotating arm 140, and a first fixed gear 163 fixedly disposed at each end of the connection base 130 in the longitudinal direction, wherein the first rack 161 is engaged with the first transmission gear 162, and the first transmission gear 162 is engaged with the first fixed gear 163;

a second rack 171 fixedly disposed on the second rotating member 120 at both ends perpendicular to the length direction of the connection base 130, respectively, a second transmission gear 172 rotatably coupled to the second rotating arm 150, and second fixed gears 173 fixedly disposed at both ends of the connection base 130 in the length direction, respectively, wherein the second rack 171 is engaged with the second transmission gear 172, and the second transmission gear 172 is engaged with the second fixed gear 173;

in the process that the first rotating member 110 and the second rotating member 120 rotate to the first position in the opposite direction, the first rotating arm assembly and the second rotating arm assembly rotate in the opposite direction, the first transmission gear 162 rotates relative to the first fixed gear 163, the first rotating member 110 slides relative to the first rotating arm assembly through the meshing transmission of the first transmission gear 162 and the first rack 161, the second transmission gear 172 rotates relative to the second fixed gear 173, and the second rotating member 120 slides relative to the second rotating arm assembly through the meshing transmission of the second transmission gear 172 and the second rack 171.

For example, during the folding process of the electronic device, the first transmission gear 162 rotates clockwise relative to the first fixed gear 163, that is, the first transmission gear 162 climbs upwards along the first fixed gear 163, and at the same time, the first transmission gear 162 and the first rack 161 are in meshing transmission, and the first rack 161 converts the rotating motion into a linear motion, so as to push the first rotating member 110 to slide towards the side far away from the connecting base 130 relative to the first rotating arm assembly, and due to the precise meshing relationship of the gear and the rack, the rotating angle of the first rotating member 110 and the sliding distance between the first rotating member 110 and the rotating arm assembly can be kept in a linear relationship, that is, the first rotating member 110 and the rotating arm assembly can move according to a set proportion.

Likewise, during rack and pinion engagement, the second rotating member 120 slides relative to the second rotating arm assembly to a side away from the connecting base 130.

Fig. 8 is a schematic view illustrating a connection relationship between the first rotating assembly 160 and the second rotating assembly 170 in a flattened state of the folding apparatus 100. As shown in fig. 8, when the foldable display portion 230 is driven to bend during the process of rotating the first rotating member 110 and the second rotating member 120 towards each other, at this time, the first fixed gear 163 is fixed, the first transmission gear 162 rotates relative to the first fixed gear 163 and drives the first rack 161 to move, and the first rack 161 converts the rotational motion into a linear motion, so as to push the first rotating member 110 to slide towards the outside (i.e. away from the connecting base 130) relative to the first rotating arm assembly.

Similarly, the second fixed gear 173 is fixed, the second transmission gear 172 rotates relative to the second fixed gear 173 and moves the second rack gear 171, and the second rack gear 171 converts the rotational movement into a linear movement, thereby pushing the second rotating member 120 to slide toward the outside (i.e., away from the connecting base 130) relative to the second rotating arm assembly.

In the embodiment of the present application, in the process of rotating the first rotating member 110 and the second rotating member 120 in opposite directions, the first door panel supporting member 180 and the second door panel supporting member 190 are driven to rotate, and at the same time, the first rotating member 110 slides relative to the first door panel supporting member 180, and the second rotating member 120 slides relative to the second door panel supporting member 190. As shown in fig. 6 and 7, in the present embodiment, two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130 may be respectively provided with a first sliding slot 111, two ends of the first door panel supporting member 180 in the length direction may be respectively provided with a first sliding pin 181, and the first sliding pin 181 is slidably disposed in the first sliding slot 111. The two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130 may be respectively provided with a second sliding slot 121, the two ends of the second door panel supporting member 190 in the length direction may be respectively provided with a second sliding pin 191, and the second sliding pin 191 is slidably disposed in the second sliding slot 121.

That is, in the embodiment of the present application, the sliding connection between the door panel and the rotating member is realized by correspondingly arranging the combination of the sliding groove, the sliding pin, and the like. In other embodiments, the sliding pin may be disposed on the rotating member, and the sliding groove may be correspondingly disposed on the door panel, so that the sliding connection between the door panel and the rotating member can be realized. This application embodiment realizes the sliding connection between door plant and the rotating member through spout, sliding pin, need not occupy too big space when guaranteeing smooth and easy gliding, is favorable to improving the inside structural configuration of electronic equipment 1000.

When the first rotating member 110 rotates relative to the second rotating member 120, the first rotating member 110 drives the first sliding pin 181 to slide in the first sliding slot 111, and the second rotating member 121 drives the second sliding pin 151 to slide in the second sliding slot 122.

In the embodiment of the present application, the first door panel supporting member 180 may further have first rotating pins 182 respectively disposed at two ends of the length direction, and the first rotating pins 182 are rotatably disposed on the connecting base 130. The second door panel supporting member 190 may further have second rotation pins 192 respectively disposed at both ends in the length direction, and the second rotation pins 192 are rotatably disposed on the connection base 130. Thereby realizing that the first door panel support 180 and the second door panel support 190 are rotatably connected to the connection base 130. In other embodiments, the two may be rotationally connected in other manners, which is not limited in this application.

During the folding operation, the folding device 100 drives the foldable display portion 230 to bend, the rotating component drives the first rotating component 110 to slide towards the side far away from the connecting base 130 relative to the first rotating arm component, and the second rotating component 120 to slide towards the side far away from the connecting base 130 relative to the second rotating arm component, and respectively drives the first door panel supporting member 180 to rotate around the first rotating pin 182, the second door panel supporting member 190 to rotate around the second rotating pin 192, meanwhile, the first sliding slot 111 moves towards the side far from the connecting base 130 relative to the first sliding pin 181, and the two slide relatively, the second sliding slot 121 moves towards the side far from the connecting base 130 relative to the second sliding pin 191, and the two slide relatively, so that a receiving space for receiving the foldable display part 230 is formed between the first door panel support 180, the second door panel support 190 and the connection base 130.

The embodiment of the present application does not limit how the first door panel support 180 and the second door panel support 190 are rotatably connected to the connection base 130.

Further, the connection base 130 provided in the embodiment of the present application may include two connection lugs 131 and a bridge 132, two ends of the bridge 132 in the length direction are respectively fixedly connected to the two connection lugs 131, one end of the first door panel support 180 is rotatably connected to the connection lugs 131, and one end of the second door panel support 180 is rotatably connected to the connection lugs 131;

in the process that the first rotating member 110 and the second rotating member 120 rotate to the third position in the opposite direction, the first rotating arm 140 and the second rotating arm 150 are driven to rotate to the third position in the opposite direction, the first rotating member 110 slides relative to the first rotating arm 140, and the second rotating member 120 slides relative to the second rotating arm 140, and drives the first door panel supporting member 180 and the second door panel supporting member 190 to rotate to the fourth position in the opposite direction, so that the first door panel supporting member 180 and the second door panel supporting member 190 are in flat butt joint and are located above the connecting bridge 132, so as to support the flat surface of the flexible display screen 200.

The third position is understood to mean the position of the first rotating member 110 and the second rotating member 120 in the unfolded state of the folding device, and the first rotating member 110 and the second rotating member 120 should be in the same plane.

Similarly, the fourth position may be understood as a position where the first door panel support 180 and the second door panel support 190 are located in a state where the folding device is unfolded, and the first door panel support 180 and the second door panel support 190 are located in the same plane and flatly abutted to each other and located above the bridge 132, so that the first door panel support 180 and the second door panel support 190 may provide a supporting function for the foldable portion of the flexible display 200 and make the surface of the foldable portion flat.

In the embodiment of the present application, the connection lug 131 and the bridge 132 may be reliably connected by a screw 133, which is not limited in the present application. The first rotation pin 182 and the second rotation pin 192 can be rotatably connected to the connection lug 131.

As shown in fig. 7, the first sliding groove 111 and the second sliding groove 121 are disposed to be inclined upward in a direction away from the longitudinal direction of the connection base 130 (i.e., inclined toward the direction of the bearing surface of the rotating member), so that when the first rotating member 110 rotates relative to the second rotating member 120, a receiving space is formed between the first door panel support 180, the second door panel support 190 and the connection base 130 to receive the foldable display 230.

Fig. 9 is a structural schematic diagram of different sections of the electronic device 1000 in a folded state. As shown in fig. 9d, after the first door panel support 180 and the second door panel support 190 drive the flexible display 200 to fold, the foldable display portion 230 of the flexible display 200 is not completely folded, but forms a substantially drop-shaped structure. The first door panel support 180 and the second door panel support 190 are inclined to each other, and a substantially drop-shaped receiving space for receiving the foldable display portion 230 of the flexible display 200 is formed between the first door panel support 180, the second door panel support 190 and the connection base 130.

In other embodiments, the first sliding groove 111 and the second sliding groove 121 may be disposed in other directions, for example, the directions of the first sliding groove 111 and the second sliding groove 121 may be parallel to the bearing surface direction of the rotating member, or the first sliding groove 111 and the second sliding groove 121 may be disposed in a downward inclination in a direction away from the direction perpendicular to the length direction of the connection base 130, which is not limited in the present application. At this time, the first door panel support 180, the second door panel support 190, and the connection mount 130 have a substantially rectangular or trapezoidal structure.

As shown in fig. 6 and 7, each first rotating arm 140 includes a first rotating head 141 and a first sliding rod 142, one end of the first rotating head 141 is fixedly connected to the first sliding rod 142, the other end is rotatably connected to the connecting base 130, and the first transmission gear 162 is rotatably disposed at the first rotating head 141.

Each second rotating arm 150 includes a second rotating head 151 and a second sliding rod 152, one end of the second rotating head 151 is fixedly connected to the second sliding rod 152, the other end is rotatably connected to the connecting base 130, and the second transmission gear 172 is rotatably disposed at the second rotating head 151.

The first and second

rotating members

110 and 120 include moving spaces for accommodating the first and second sliding

bars

142 and 152 to slide, respectively.

In order to realize the relative sliding between the rotating member and the rotating arm assembly, the embodiment of the present application further provides a sliding cover assembly, as shown in fig. 1 to 5, the folding device 100 may further include:

a first sliding cover assembly including two first sliding covers 115 respectively fixedly disposed at two ends of the first rotating member 110 perpendicular to the length direction of the connection base 130, wherein a movable space for the first sliding rod 142 to slide is formed between each first sliding cover 115 and the first rotating member 110;

the second sliding cover assembly includes two second sliding covers 125 respectively fixedly disposed at two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130, and a moving space for the second sliding rod 152 to slide is formed between each second sliding cover 125 and the second rotating member 120.

According to the folding device 100 provided by the embodiment of the application, the first sliding cover 115 and the second sliding cover 125 are respectively and fixedly arranged on the first rotating member 110 and the second rotating member 120, and a movable space for the sliding rod to slide is formed between the rotating member and the sliding cover, so that the rotating member can only slide in the horizontal direction and cannot slide in the vertical direction relative to the rotating arm, and the folding reliability is improved.

The reasonable length of the first sliding cover 115, the second sliding cover 125, the first rotating head 141 and the second rotating head 151 enables the side walls of the first sliding cover 115 and the first rotating head 141 to abut against each other and the side walls of the second sliding cover 125 and the second rotating head 151 to abut against each other when the folding device 100 is unfolded.

As shown in fig. 9a, when the folding device 100 is folded, gaps may be formed between the side walls of the first sliding cover 115 and the first revolver head 141 and between the side walls of the second sliding cover 125 and the second revolver head 151.

In the embodiment of the present application, the first sliding cover 115 and the second sliding cover 125 may be respectively disposed on the sidewalls of the first rotating member 110 and the second rotating member 120 by a screw connection, a snap connection, and the like, which is not limited in the present application.

In the embodiment of the present application, the movable space in which the sliding rod slides may also be disposed on the rotating member, or disposed in the sliding cover, or a part of the space provided by the rotating member and a part of the space provided by the sliding cover jointly form the movable space, which is not limited in the present application.

In another possible implementation manner, two ends of the first rotating member 110 perpendicular to the length direction of the connection base 130 are respectively provided with a first groove, two ends of the second rotating member 120 perpendicular to the length direction of the connection base 130 are respectively provided with a second groove, each first rotating arm 140 is provided with a first protrusion, and each second rotating arm 150 is provided with a second protrusion; the first groove is slidably connected with the first protrusion, and the second protrusion is slidably connected with the second groove, so that the first rotating member 110 and the first sliding rod 142 can slide relatively, and the second rotating member 120 and the second sliding rod 152 can slide relatively.

In the embodiment of the present application, the groove may be disposed in the rotating arm assembly, and the protrusion is disposed in the rotating member, so that the protrusion and the groove form a sliding type clamping structure, or the groove and the protrusion are disposed in the rotating arm assembly, and the protrusion and the groove are correspondingly disposed in the rotating member, so that the protrusion and the groove form a sliding type clamping structure. It should be understood that any sliding type clamping structure can be adopted between the rotating arm assembly and the rotating member, and the application is not limited to this.

As shown in fig. 5, 6, 8, and 9c, two ends of the first rotating member 110 perpendicular to the length direction of the connecting base 130 may be respectively provided with a first ball plunger 116 for damping sliding of the first sliding rod 142, the ball of the first ball plunger 116 and the first sliding rod 142 are abutted against each other and are connected in a rolling manner, and the first sliding rod 142 is provided with one or more limiting grooves 143 for accommodating the ball of the first ball plunger 116. The two ends of the second rotating member 120 perpendicular to the length direction of the connecting base 130 may be respectively provided with a second ball plunger 126 providing damping for the sliding of the second sliding rod 152, the ball of the second ball plunger 126 is abutted against the second sliding rod 152 and is connected in a rolling manner, and the second sliding rod 152 is provided with one or more limiting grooves 143 for accommodating the ball of the second ball plunger 126.

For example, each first sliding rod 142 is provided with two limiting grooves, namely a first limiting groove and a second limiting groove, and each second sliding rod 152 is provided with two limiting grooves, namely a third limiting groove and a fourth limiting groove, when the first rotating member 110 and the second rotating member 120 are completely folded, the first ball plunger 116 and the second ball plunger 126 are respectively located in the second limiting groove and the third limiting groove, when the first rotating member 110 and the second rotating member 120 are completely folded from the completely folded state to the unfolded state, the first ball plunger 116 slides from the second limiting groove to the first limiting groove, and the second ball plunger slides from the third limiting groove to the fourth limiting groove.

It should be understood that the recess may be shaped like a hemisphere, and the folding device may be acted by a pushing force when the ball plunger enters the recess during the folding and unfolding processes, so that the ball plunger may automatically slide into the recess under the action of the pushing force when the folding device is about to complete the folding and unfolding.

For example, a spring may be provided above the ball plunger that may urge the ball plunger to slide into the recess when the ball plunger enters the recess.

The folding device 100 provided by the embodiment of the present application can also achieve the synchronization of the folding of the first rotating member 110 and the second rotating member 120. Specifically, as shown in fig. 5-7 and 9b, the folding apparatus 100 may further include a folding synchronization assembly 1010, wherein the folding synchronization assembly 1010 includes a first synchronization gear 1011 fixedly disposed on each first rotating arm 140, and a second synchronization gear 1012 disposed on each second rotating arm 150, and the first synchronization gear 1011 and the second synchronization gear 1012 are engaged with each other to achieve synchronous rotation. That is, the first rotating member 110 and the second rotating member 120 can be rotated synchronously with respect to the connection base 130.

In the embodiment of the application, through the folding synchronous component, the synchronous movement of the two rotating pieces can be realized, so that the flexible display screen is not easy to damage in the folding process, and the folding reliability of the foldable electronic equipment can be improved.

In one possible implementation, the teeth of the first synchronizing gear 1011 are disposed on a partial circumference of the first synchronizing gear 1011, and the teeth of the second synchronizing gear 1012 are disposed on a partial circumference of the second synchronizing gear 1012.

Here, the first synchronizing gear 1011 and the second synchronizing gear 1012 mesh with each other, and may be directly meshed or indirectly meshed, which is not limited in the present application.

In the present embodiment, when the first synchronizing gear 1011 and the second synchronizing gear 1012 are indirectly engaged, as shown in fig. 6, 7, 9a and 9b, the folding synchronizing assembly 1010 further includes a third transmission gear 1013 and a fourth transmission gear 1014, and the first synchronizing gear 1011 is gear-driven with the second synchronizing gear 1012 through the third transmission gear 1013 and the fourth transmission gear 1014, so as to realize the synchronous rotation of the first synchronizing gear 1011 and the second synchronizing gear 1012, that is, the synchronous rotation of the first rotating member 110 and the second rotating member 120.

In order to achieve an aesthetic design of the folding device, as shown in fig. 6, 7 and 9a, the folding device 100 may further include:

the end cap 199 is fixedly disposed on the connection base 130, and the end cap 199 covers the folding synchronization assembly 1010 and is flush with the first sliding cover 115 and the second sliding cover 125, so that the folding device 100 is simple and beautiful in structure.

At this time, the third transmission gear 1013 may be rotatably connected to the first rotating arm 140 and/or the end cap 199 through the rotating shaft; also, the fourth transmission gear 1014 can be rotatably connected to the second rotating arm 150 and/or the end cap 199 via a rotating shaft.

In order to shield the gap between the rotating member and the base, and make the folding device compact and beautiful, as shown in fig. 9c and 9d, the folding device 100 may further include:

the first shielding piece 197, one end of the first shielding piece 197 is slidably connected with the first rotating piece 110, and the other end is fixedly connected with the connecting base 130, the first shielding piece 197 is used for shielding a gap formed between the first rotating piece 110 and the connecting base 130 when the first rotating piece 110 rotates relative to the connecting base 130;

one end of the second shielding member 198 is slidably connected with the second rotating member 120, and the other end of the second shielding member 198 is fixedly connected with the connecting base 130, and the second shielding member 198 is used for shielding a gap formed between the second rotating member 120 and the connecting base 130 when the second rotating member 120 rotates relative to the connecting base 130;

in one possible implementation, the shield may be a resilient metal sheet, such as a stainless steel or copper sheet. One end of the elastic metal sheet is fixedly connected with the connecting base 130, and the other end of the elastic metal sheet extends into the rotating member and is in sliding connection with the rotating member. The elastic metal sheet can be slid to the outside of the rotary member when the folding device 100 is folded, and can be slid into the rotary member after being flattened. In order to ensure the free retraction, the elastic metal sheet can be connected with the rotating piece through a spring.

In another possible implementation, the shield may be made of a flexible material, both ends of which are fixedly connected to the rotating member and the connecting base 130, respectively, and the flexible material is stretched when the folding device 100 is folded and may be folded after the folding device 100 is unfolded. For example, the flexible material may be leather or rubber or the like.

The embodiment of the present application further provides an electronic device 1000, where the electronic device 1000 further includes a flexible display screen 200 covering the folding device, and the flexible display screen 200 includes a first display portion fixed to the first rotating member 110, a second display portion fixed to the second rotating member 120, and a foldable display portion located between the first display portion and the second display portion.

Further, the electronic device 1000 further includes a first functional device, the first functional device is fixed to the first rotating member 110, and the flexible display screen 200 covers the first functional device. The electronic device 1000 further includes a second functional device fixed to the second rotating member 120 and a circuit board connecting the first functional device and the second functional device, and the flexible display 200 covers the second functional device and the circuit board.

The first functional device may be at least one of a battery, a main board, a speaker, a receiver, or the like.

The second functional device may be at least one of a camera module, an antenna, a memory, a power connector, an earphone connector, or the like.

The circuit board may be a flexible circuit board. The circuit board provides electrical signals to the first functional device and the second functional device.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A folding device applied to a foldable electronic device, the folding device comprising:

a first rotating member (110), a second rotating member (120), and a connection base (130);

the connecting base (130) is positioned between the first rotating member (110) and the second rotating member (120), and the first rotating member (110) and the second rotating member (120) can rotate relative to the connecting base (130); the axes around which the first rotating member (110) and the second rotating member (120) rotate are respectively parallel to the length direction of the connecting base (130);

the first rotating arm assembly comprises two first rotating arms (140), the two first rotating arms (140) are respectively arranged at two ends of the first rotating piece (110) which are vertical to the length direction of the connecting base (130), and each first rotating arm (140) is rotatably connected with the connecting base (130) and can slide relative to the first rotating piece (110);

the second rotating arm assembly comprises two second rotating arms (150), the two second rotating arms (150) are respectively arranged at two ends of the second rotating piece (120) which are vertical to the length direction of the connecting base (130), and each second rotating arm (150) is rotatably connected with the connecting base (130) and can slide relative to the second rotating piece (120);

a first door panel support member (180) having one end slidably coupled to the first rotating member (110) and the other end rotatably coupled to the coupling base (130);

a second door panel support (190) having one end slidably coupled to the second rotating member (120) and the other end rotatably coupled to the coupling base (130);

in the process that the first rotating piece (110) and the second rotating piece (120) rotate oppositely to a first position, the first rotating arm assembly and the second rotating arm assembly are driven to rotate oppositely, the first rotating piece (110) slides relative to the first rotating arm assembly, the second rotating piece (120) slides relative to the second rotating arm assembly, the first rotating piece (110) and the second rotating piece (120) further drive the first door panel support piece (180) and the second door panel support piece (190) to rotate oppositely to a second position respectively, so that an accommodating space is formed among the first door panel support piece (180), the second door panel support piece (190) and the connecting base (130), and the accommodating space accommodates a foldable part of a flexible display screen (200) of the foldable electronic device.

2. The folding device of claim 1, further comprising:

a first rack (161) fixedly arranged at two ends of the first rotating member (110) perpendicular to the length direction of the connecting base (130), respectively, a first transmission gear (162) rotatably connected to the first rotating arm (140), and first fixed gears (163) fixedly arranged at two ends of the connecting base (130) in the length direction, respectively, wherein the first rack (161) is engaged with the first transmission gear (162), and the first transmission gear (162) is engaged with the first fixed gear (163);

a second rack (171) fixedly disposed at both ends of the second rotating member (120) perpendicular to the length direction of the connection base (130), respectively, a second transmission gear (172) rotatably connected to the second rotating arm (150), and second fixed gears (173) fixedly disposed at both ends of the connection base (130) in the length direction, respectively, wherein the second rack (171) is engaged with the second transmission gear (172), and the second transmission gear (172) is engaged with the second fixed gear (173);

during the process that the first rotating member (110) and the second rotating member (120) rotate oppositely to a first position, the first rotating arm assembly and the second rotating arm assembly rotate oppositely, the first transmission gear (162) rotates relative to the first fixed gear (163), the first rotating member (110) slides relative to the first rotating arm assembly through the meshing transmission of the first transmission gear (162) and the first rack (161), the second transmission gear (172) rotates relative to the second fixed gear (173), and the second rotating member (120) slides relative to the second rotating arm assembly through the meshing transmission of the second transmission gear (172) and the second rack (171).

3. The folding apparatus according to claim 2, wherein each of the first rotating arms (140) comprises a first rotating head (141) and a first sliding rod (142), one end of the first rotating head (141) is fixedly connected to the first sliding rod (142), the other end of the first rotating head is rotatably connected to the connecting base (130), and the first transmission gear (162) is rotatably disposed at the first rotating head (141);

each second rotating arm (150) comprises a second rotating head part (151) and a second sliding rod (152), one end of the second rotating head part (151) is fixedly connected with the second sliding rod (152), the other end of the second rotating head part is rotatably connected with the connecting base (130), and the second transmission gear (172) is rotatably arranged on the second rotating head part (151);

the first rotating member (110) and the second rotating member (120) respectively include a movable space for accommodating the first sliding bar (142) and the second sliding bar (152) to slide.

4. The folding device of claim 3, further comprising:

the first sliding cover assembly comprises two first sliding covers (115), the two first sliding covers (115) are respectively and fixedly arranged at two ends of the first rotating piece (110) perpendicular to the length direction of the connecting base (130), and a movable space for the first sliding rod (142) to slide is formed between each first sliding cover (115) and the first rotating piece (110);

the second sliding cover assembly comprises two second sliding covers (125), the two second sliding covers (125) are respectively and fixedly arranged at two ends of the second rotating piece (120) perpendicular to the length direction of the connecting base (130), and a movable space for the second sliding rod (152) to slide is formed between each second sliding cover (125) and the second rotating piece (120).

5. The folding device according to claim 3 or 4, characterized in that two ends of the first rotating member (110) perpendicular to the length direction of the connecting base (130) are respectively provided with a first ball plunger (116) for damping the sliding of the first sliding rod (142), and the first sliding rod (142) is provided with one or more limiting grooves for accommodating the ball of the first ball plunger (116);

two ends of the second rotating piece (120) perpendicular to the length direction of the connecting base (130) are respectively provided with a second ball plunger (126) for providing damping for the sliding of the second sliding rod (152), and the second sliding rod (152) is provided with one or more limiting grooves for accommodating a ball of the second ball plunger (126).

6. The folding device according to any one of claims 1 to 5, wherein both ends of the first rotating member (110) perpendicular to the length direction of the connecting base (130) are respectively provided with a first sliding slot (111), both ends of the first door panel supporting member (180) in the length direction are respectively provided with a first sliding pin (181), and the first sliding pin (181) is slidably disposed in the first sliding slot (111);

the two ends of the second rotating part (120) perpendicular to the length direction of the connecting base (130) are respectively provided with a second sliding groove (121), the two ends of the second door panel supporting part (190) in the length direction are respectively provided with a second sliding pin (191), and the second sliding pin (191) is arranged in the second sliding groove (121) in a sliding manner.

7. The folding device according to claim 6, characterized in that the first and second sliding grooves (111, 121) are provided inclined upward in a direction away from the longitudinal direction of the connection base (130).

8. The folding device according to any one of claims 1 to 7, characterized in that said connection base (130) comprises:

a bridge (132);

the connecting hanging lugs (131) are respectively fixed at two ends of the connecting bridge (132) in the length direction, one end of the first door panel supporting piece (180) is rotatably connected to the connecting hanging lugs (131), and one end of the second door panel supporting piece (190) is rotatably connected to the connecting hanging lugs (131);

in the process that the first rotating piece (110) and the second rotating piece (120) rotate oppositely to a third position, the first rotating arm (140) and the second rotating arm (150) are driven to rotate oppositely to the third position, the first rotating piece (110) slides relative to the first rotating arm (140), the second rotating piece (120) slides relative to the second rotating arm (140), and the first door panel support piece (180) and the second door panel support piece (190) are driven to rotate oppositely to a fourth position respectively, so that the first door panel support piece (180) and the second door panel support piece (190) are in smooth butt joint and are located above the connecting bridge (132), and the surface of the flexible display screen (200) is supported to be smooth.

9. The folding apparatus according to any of claims 1 to 8, further comprising a folding synchronization assembly (1010), wherein said folding synchronization assembly (1010) comprises a first synchronization gear (1011) fixedly disposed on each of said first rotating arms (140), a second synchronization gear (1012) disposed on each of said second rotating arms (150), and wherein said first synchronization gear (1011) and said second synchronization gear (1012) are in gear engagement.

10. The folding device according to claim 9, characterized in that the teeth of the first synchronizing gear (1011) are arranged on a partial circumference of the first synchronizing gear (1011) and the teeth of the second synchronizing gear (1012) are arranged on a partial circumference of the second synchronizing gear (1012).

11. The folding apparatus according to claim 9 or 10, characterized in that said folding synchronization assembly (1010) further comprises a third transmission gear (1013), a fourth transmission gear (1014), said first synchronization gear (1011) being geared with said second synchronization gear (1012) by said third transmission gear (1013) and said fourth transmission gear (1014).

12. The folding device of any of claims 9-11, further comprising:

an end cap (199), said end cap (199) being fixedly disposed on said connection base (130), said end cap (199) covering said folding synchronization assembly (1010);

said third drive gear (1013) being rotatably connected to said first rotating arm (140) and/or said end cap (199);

the fourth transmission gear (1014) is rotatably connected to the second rotating arm (150) and/or the end cap (199).

13. The folding device of any of claims 1-12, further comprising:

a first shielding member (197), one end of the first shielding member (197) is slidably connected with the first rotating member (110), and the other end of the first shielding member is fixedly connected with the connecting base (130), the first shielding member (197) is used for shielding a gap formed between the first rotating member (110) and the connecting base (130) when the first rotating member (110) rotates relative to the connecting base (130);

one end of the second shielding piece (198) is connected with the second rotating piece (120) in a sliding mode, the other end of the second shielding piece (198) is fixedly connected with the connecting base (130), and the second shielding piece (198) is used for shielding a gap formed between the second rotating piece (120) and the connecting base (130) when the second rotating piece (120) rotates relative to the connecting base (130).

14. An electronic device, characterized in that the electronic device comprises a folding device according to any one of claims 1-13, and the electronic device further comprises a flexible display screen covering the folding device, the flexible display screen comprising a first display portion fixed to the first rotating member (110), a second display portion fixed to the second rotating member (120), and a foldable display portion located between the first display portion and the second display portion.

15. The electronic device according to claim 14, characterized in that it further comprises a first functional means fixed to said first rotating member (110), said flexible display screen covering said first functional means;

the electronic equipment further comprises a second functional device and a circuit board, the second functional device is fixed on the second rotating part (120), the circuit board is connected with the first functional device and the second functional device, and the flexible display screen covers the second functional device and the circuit board.