CN117588484A

CN117588484A - Folding device and intelligent terminal

Info

Publication number: CN117588484A
Application number: CN202311552329.4A
Authority: CN
Inventors: 孟德; 李鸿; 卢俊勇; 李秀明; 白凯乐
Original assignee: Shanghai Chuanying Information Technology Co Ltd
Current assignee: Shanghai Chuanying Information Technology Co Ltd
Priority date: 2023-11-20
Filing date: 2023-11-20
Publication date: 2024-02-23

Abstract

The application provides a folding device and intelligent terminal, wherein, a folding device includes: the flexible screen comprises a pallet assembly, a base and an elastic traction assembly, wherein the pallet assembly comprises a middle plate and two pallets, the pallets are arranged on two sides of the middle plate, and the middle plate and the pallets are provided with bearing surfaces for bearing the flexible screen; the base is positioned on one side of the middle plate, which is opposite to the bearing surface, and the two supporting plates are movably connected with the base; the elastic traction component is connected between the base and the middle plate and is used for pulling the middle plate to move in a direction approaching to the base; the pallet includes at least one first support configured to urge the middle plate to move away from the base when the folding device is in the unfolded state. The technical problem that folding device deforms easily and extrudes flexible screen is solved to this application, improves folding device motion's stability.

Description

Folding device and intelligent terminal

Technical Field

The application relates to the technical field of electronic equipment, in particular to a folding device and an intelligent terminal.

Background

With the development of flexible screen technology, large-screen foldable electronic equipment has become a technical hot spot for research, and flexible screens generally need to be supported by a folding device and move correspondingly along with folding and unfolding movements of the folding device.

In the process of designing and implementing the present application, the inventors found that at least the following problems exist: the two side parts of the flexible screen, which are folded oppositely, are respectively fixed on the corresponding shells, and the middle part of the flexible screen is arranged at the corresponding position of the folding device so as to flatten or fold the flexible screen. In the process of designing and implementing the application, it is found that in some folding devices and intelligent terminals, at least the following problems exist: the stability of folding device motion is relatively poor, and local position takes place deformation extrusion flexible screen easily, influences flexible screen's display effect and life easily.

The foregoing description is provided for general background information and does not necessarily constitute prior art.

Disclosure of Invention

To above-mentioned technical problem, this application provides a folding device and intelligent terminal, solves folding device and takes place deformation extrusion flexible screen's technical problem easily, improves folding device motion's stability.

In order to solve the above technical problem, the present application provides a folding device, including:

the support plate assembly comprises a middle plate and two support plates, wherein the support plates are arranged on two sides of the middle plate, and the middle plate and the support plates are provided with bearing surfaces for bearing the flexible screen;

a base; the two supporting plates are movably connected with the base and are positioned on one side of the middle plate, which is opposite to the bearing surface;

an elastic pulling assembly connected between the base and the middle plate, the elastic pulling assembly being configured to pull the middle plate to move in a direction approaching the base when the folding device is in a folded state;

the pallet includes at least one first support configured to urge the middle plate to move away from the base when the folding device is in the unfolded state.

The application provides a folding device, when folding device is in the folded condition, through the direction motion of elasticity traction assembly traction medium plate to being close to the base for the medium plate suits with the motion of flexible screen, can prevent to cause the flexible screen to be extruded or to pull, is favorable to improving the life of flexible screen, alleviates the crease of flexible screen folding position. When folding device is in the state of expanding, promote the medium plate through setting up in at least one first supporting part of layer board to the direction motion of keeping away from the base, simple structure can improve the stability of medium plate motion, reduces the problem that the medium plate is local to be out of shape, improves the supporting role of medium plate to the flexible screen, is favorable to the flexible screen to remain level.

Optionally, at least one of the following is included:

the elastic traction components and the first supporting part are distributed at intervals along the length direction of the middle plate;

in the process that the folding device is switched between the folding state and the unfolding state, the two supporting plates relatively rotate along a preset track;

when the folding device is in the folded state, the first supporting part is separated from and abutted with the middle plate.

Optionally, an installation part is arranged on one surface of the supporting plate, which is opposite to the bearing surface, and a chute is arranged in the installation part;

the base is connected with a first rotating shaft, and the first rotating shaft extends into the sliding groove and slides along the sliding groove.

Optionally, the first supporting part includes a supporting column connected to the mounting part, and the middle plate forms a guiding groove on a surface opposite to the bearing surface;

when the folding device is in an unfolding state, the outer peripheral surface of the support column slides along the guide groove; and/or, when the folding device is in a folded state, the support column is separated from the guide groove.

Optionally, the folding device further comprises a rotating assembly, wherein the rotating assembly comprises at least two swinging arms and a second rotating shaft rotatably connected with the swinging arms;

The swing arm is hinged to one end, far away from the middle plate, of the supporting plate, and the swing arm is connected with the base in a rotating mode through the second rotating shaft.

Optionally, the folding device further includes a synchronous driving assembly, the synchronous driving assembly is disposed in the base, and the synchronous driving assembly includes two driving arms that are relatively swing-disposed;

the rotating assembly further comprises at least two sliding brackets, the at least two sliding brackets are respectively in sliding fit with the two driving arms, and the sliding brackets are rotationally connected with the second rotating shaft.

Optionally, the swing arm comprises a sliding section and a fixed section which are connected with each other, and a guide groove is formed in the base;

the sliding section is arranged along the guide groove in a sliding way, a fixing hole is formed in one end, far away from the sliding section, of the fixing section, and the second rotating shaft is arranged in the fixing hole in a rotating way.

Optionally, a second support part is formed at one end of the sliding section far away from the fixed section; the second supporting part is configured to abut against the middle plate and push the middle plate to move in a direction away from the base when the folding device is in an unfolding state;

The second supporting portions, the first supporting portions and the elastic traction assemblies are arranged at intervals along the length direction of the middle plate.

Optionally, the elastic traction assembly comprises a traction piece and an elastic piece;

a movable hole is formed in the base, a boss is arranged on the inner wall of the movable hole, and the boss is positioned at one end, close to the middle plate, of the movable hole;

the pulling piece is arranged in the movable hole in a penetrating way, one end of the pulling piece is connected with the middle plate, and the other end of the pulling piece is provided with an anti-falling part; the elastic piece is sleeved on the outer peripheral surface of the traction piece, and two ends of the elastic piece are respectively abutted between the anti-falling part and the boss.

Optionally, the projections of each first supporting portion, each second supporting portion, and each pulling member in the first direction are all distributed at intervals.

The application also provides an intelligent terminal, which comprises a flexible screen and the folding device.

The application provides a folding device and intelligent terminal, elasticity tractive subassembly and first supporting part are opposite to the application of force direction of flexible screen, through each elasticity tractive subassembly and each first supporting part along mutual interval distribution of second direction for the stress point of medium plate is more dispersed, is favorable to improving the stability of medium plate motion, reduces the local deformation of medium plate, thereby reduces to cause the flexible screen to receive extrusion or drag scheduling problem, improves the effect that the medium plate supported flexible screen.

The utility model provides a folding device and intelligent terminal for the distributing position of mid-plate atress supporting point increases, and the distributing position is more dispersed, helps improving the stability of medium plate motion, thereby solves the problem that the flexible screen that the local position of medium plate takes place deformation and causes receives the extrusion or pull.

The application provides a folding device and intelligent terminal to less part quantity has realized that two layer boards are along the motion trail relative motion who presets in the both sides of base, improves intelligent terminal folding stability, and required part quantity is few, has reduced the degree of difficulty of assembly.

In addition to the technical problems, technical features constituting the technical solutions, and beneficial effects brought by the technical features of the technical solutions described above in the embodiments of the present application, other technical problems that can be solved by the folding device and the intelligent terminal provided in the embodiments of the present application, other technical features included in the technical solutions, and beneficial effects brought by the technical features will be described in further detail in the detailed description of the present application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a folding device in an unfolded state according to an embodiment of the present application;

FIG. 2 is an exploded view of a folding device according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view of a folding device in a folded state according to an embodiment of the present disclosure;

fig. 4 is a schematic perspective view of a folding device in a folded state according to an embodiment of the present disclosure;

FIG. 5 is a top view of a folding device according to an embodiment of the present disclosure in an unfolded state;

FIG. 6 is a perspective view of the cross-sectional view of section A-A of FIG. 5;

FIG. 7 is a perspective view of the cross-sectional view B-B of FIG. 5;

FIG. 8 is a perspective view of the cross-sectional C-C view of FIG. 5;

FIG. 9 is a perspective view of the cross-sectional D-D view of FIG. 5;

fig. 10 is a schematic perspective view of a pallet assembly of a folding device according to an embodiment of the present disclosure;

fig. 11 is a schematic perspective view of a folding device in an unfolded state according to an embodiment of the present disclosure;

fig. 12 is a schematic partial perspective view of a folding device in an unfolded state according to an embodiment of the present disclosure;

fig. 13 is a top view of a folding device provided in an embodiment of the present application in a folded state;

FIG. 14 is a cross-sectional E-E view of FIG. 13;

FIG. 15 is a cross-sectional view of section F-F of FIG. 13;

FIG. 16 is a sectional view of the G-G section of FIG. 13;

fig. 17 is a schematic hardware structure of a mobile terminal according to an embodiment of the present application.

Reference numerals illustrate:

a 100-pallet assembly; 110-a middle plate; 111-guiding grooves; 120-supporting plates; 121-a first support; 122-mounting portion; 1221-chute; 123-lugs; 1231-a rotation hole;

200-rotating the assembly; 210-a base; 211-a first rotating shaft; 212-a movable hole; 213-guide grooves; 214-a boss; 215-hinge holes; 220-swinging arms; 221-a sliding section; 222-a fixed section; 2221-fixing hole; 224-a second support; 230-sliding support; 231-through groove; 240-a second spindle;

300-elastic pulling assembly; 310-pulling member; 311-an anti-drop part; 320-an elastic member;

400-synchronous drive assembly; 411-driving arm;

500-intelligent terminals; 501-a radio frequency unit; 502-a WiFi module; 503-an audio output unit; 504-a/V input unit; 5041-a graphics processor; 5042-microphone; 505-sensor; 506-a display unit; 5061-a display panel; 507-a user input unit; 5071—a touch panel; 5072—other input devices; 508-an interface unit; 509-memory; 510-a processor; 511-power supply.

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings. Specific embodiments thereof have been shown by way of example in the drawings and will herein be described in more detail. These drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but to illustrate the concepts of the present application to those skilled in the art by reference to specific embodiments.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the element defined by the phrase "comprising one … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises the element, and alternatively, elements having the same name in different embodiments of the present application may have the same meaning or may have different meanings, a particular meaning of which is to be determined by its interpretation in this particular embodiment or further in connection with the context of this particular embodiment.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope herein. The word "if" as used herein may be interpreted as "at … …" or "at … …" or "responsive to a determination", depending on the context. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or," "and/or," "including at least one of," and the like, as used herein, may be construed as inclusive, or meaning any one or any combination. For example, "including at least one of: A. b, C "means" any one of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C ", again as examples," A, B or C "or" A, B and/or C "means" any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; a and B and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.

It should be understood that, although the steps in the flowcharts in the embodiments of the present application are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited in order and may be performed in other orders, unless explicitly stated herein. Moreover, at least some of the steps in the figures may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, the order of their execution not necessarily occurring in sequence, but may be performed alternately or alternately with other steps or at least a portion of the other steps or stages.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrase "if determined" or "if detected (stated condition or event)" may be interpreted as "when determined" or "in response to determination" or "when detected (stated condition or event)" or "in response to detection (stated condition or event), depending on the context.

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present application, and are not of specific significance per se. Thus, "module," "component," or "unit" may be used in combination.

The intelligent terminal may be implemented in various forms. For example, the smart terminals described in the present application may include smart terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and stationary terminals such as digital TVs, desktop computers, and the like.

The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present application can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.

In intelligent terminal, be provided with folding device generally and support in the middle part position of flexible screen, flexible screen exhibition flat can realize large tracts of land demonstration, and flexible screen is folding can realize the demonstration of small tracts of land. When the intelligent terminal is unfolded and folded, the length of the flexible screen cannot be changed, and the flexible screen is required to be prevented from being pulled and wrinkled.

A flexible screen, i.e. a flexible display screen, is used for displaying images. Illustratively, the flexible screen may be an Organic Light-Emitting Diode (OLED) display screen, an Active-Matrix Organic Light-Emitting Diode (AMOLED) display screen, a mini-LED (Mini Organic Light-Emitting Diode) display screen, a micro-LED (Micro Organic Light-Emitting Diode) display screen, a micro-Organic LED (Micro OrganicLight-Emitting Diode) display screen, a quantum dot LED (Quantum Dot Light EmittingDiodes, QLED) display screen.

In order to prevent that flexible screen from receiving the problem of pulling and appearing the fold, the bending position of flexible screen is water droplet form when intelligent terminal is in the folded condition, fold and expand the in-process of motion at folding device, along with the lifting and sinking motion of medium plate, because of the medium plate has certain length, at the in-process that lifts up medium plate and pull down the medium plate and make the medium plate move, cause the medium plate atress inhomogeneous easily, lead to the part of medium plate to take place to warp, cause the stability of medium plate motion relatively poor, and then influence the supporting effect to flexible screen, the flexible screen receives the problem of extrusion or pulling easily appears, influence the life of flexible screen.

In view of this, this application provides a folding device and intelligent terminal, through set up at least one first supporting part at the layer board, first supporting part promotes the medium plate to the direction motion of keeping away from the base, and the motion of medium plate is more stable, reduces the local problem of warping of medium plate, improves the supporting role of medium plate to flexible screen, is favorable to when folding device is in the state of expanding for flexible screen keeps leveling.

The following describes a folding device and an intelligent terminal provided in the embodiments of the present application with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present application provides a folding apparatus including a pallet assembly 100, a base 210, and an elastic traction assembly 300, wherein the pallet assembly 100 includes a middle plate 110 and two pallets 120, the pallets 120 are disposed at both sides of the middle plate 110, and the middle plate 110 and the pallets 120 have a bearing surface for bearing a flexible screen.

Referring to fig. 1, 2 and 3, the base 210 is located on a side of the middle plate 110 facing away from the bearing surface, and the two supporting plates 120 are movably connected to the base 210, so that the two supporting plates 120 rotate relatively along a preset track during the switching process of the folding device between the folded state and the unfolded state.

Alternatively, two pallets 120 are arranged on opposite sides of the middle plate 110 in the first direction, respectively, and the middle plate 110 and the pallets 120 each have a carrying surface for carrying the flexible screen.

Alternatively, referring to fig. 2 and 4, the pallet 120 includes at least one first support portion 121, and the first support portion 121 is configured to push the middle plate 110 to move away from the base 210 when the folding device is in the unfolded state, and to be out of abutment with the middle plate 110 when the folding device is in the folded state.

Referring to fig. 5 and 6, an elastic pulling assembly 300 is connected between the base 210 and the middle plate 110, and the elastic pulling assembly 300 is configured to pull the middle plate 110 to move in a direction approaching the base 210 when the folding device is in a folded state.

Optionally, when the folding device is in a folded state, the elastic traction component 300 is used for pulling the middle plate 110 to move towards a direction close to the base 210, so that the middle plate 110 is suitable for movement of the flexible screen, the flexible screen can be prevented from being extruded or pulled, the service life of the flexible screen is prolonged, and folds of the folding position of the flexible screen are reduced. When the folding device is in an unfolding state, the middle plate 110 is pushed to move in a direction away from the base 210 by the at least one first supporting part 121 arranged on the supporting plate 120, so that the folding device is simple in structure, can improve the stability of the movement of the middle plate 110, reduces the problem of local deformation of the middle plate, improves the supporting effect of the middle plate 110 on the flexible screen, and is beneficial to the flexible screen to be kept flat.

Alternatively, the elastic pulling component 300 and the first supporting portion 121 apply forces to the middle plate 110 in opposite directions, so that the squeezing and pulling actions on the flexible screen are reduced, and the service life of the flexible screen is prolonged.

Referring to fig. 1 and 2, in the longitudinal direction of the middle plate 110, the elastic traction assemblies 300 are spaced apart from the first supporting portions 121, so that stress points of the middle plate 110 are more dispersed, movements of various parts of the middle plate 110 in the longitudinal direction are consistent, stability of the movement of the middle plate 110 is improved, local deformation of the middle plate 110 is reduced, problems that a flexible screen is extruded or pulled and the like are reduced, and an effect of supporting the flexible screen by the middle plate 110 is improved.

The utility model provides a folding device improves the stability that medium plate 110 moved through the distributing position to the atress supporting point of medium plate 110 to solve the problem that the flexible screen that the deformation caused was taken place to medium plate 110 local position and receives the extrusion or pull.

Referring to fig. 4, when the folding device is in a folded state, the first supporting portion 121 is separated from and abutted with the middle plate 110, the middle plate 110 is not jacked up in a direction away from the base 210, and referring to fig. 5 and 6, the elastic traction assembly 300 pulls the middle plate 110 to move in a direction close to the base 210, and the movement of the middle plate 110 is adapted to the movement of the flexible screen, so that the problems that the flexible screen is extruded or pulled and the like can be prevented, the service life of the flexible screen is prolonged, the folds of the folding position of the flexible screen are facilitated to be reduced, and the dislocation data variable precision requirement on the flexible screen is reduced.

Referring to fig. 5 and 7, when the folding device is in the unfolded state, the first supporting portion 121 pushes the middle plate 110 to move in a direction away from the base 210, so that the bearing surfaces of the middle plate 110 and the two supporting plates 120 are flush, stable supporting of the flexible screen is ensured, and the display effect of the flexible screen is ensured.

Alternatively, the middle plate 110 has a bar shape, and the length direction of the middle plate 110 refers to the direction indicated by arrow X in fig. 1. The first direction refers to the direction indicated by the arrow Y in fig. 1, that is, the width direction of the middle plate 110, that is, the direction perpendicular to the first direction.

Alternatively, when the folding device performs folding and unfolding motions, the middle plate 110 performs lifting and sinking motions, and since the middle plate 110 has a certain length, it is necessary to ensure that the motions of the middle plate 110 are consistent along the length direction of the middle plate 110, and prevent local deformation of the middle plate 110. This application is through setting up at least one first supporting part 121, the effect of supporting medium plate 110 is played to first supporting part 121 to at the length direction along medium plate 110, each first supporting part 121 is each interval distribution, makes each first supporting part 121 comparatively disperse along the length direction of medium plate 110, increases the application of force point that medium plate 110 lifted and distributes along the length direction of medium plate 110, is favorable to improving the homogeneity of medium plate 110 motion, thereby has solved the flexible screen demonstration and the life-span problem that cause because of the stability of medium plate 110 motion is relatively poor.

In one possible implementation, referring to fig. 3, 9 and 10, a mounting portion 122 is disposed on a surface of the supporting plate 120 opposite to the bearing surface, a sliding groove 1221 is formed in the mounting portion 122, the base 210 is connected to the first rotating shaft 211, and the first rotating shaft 211 extends into the sliding groove 1221 and slides along the sliding groove 1221.

In this structure, in the process of switching the folding device between the folding state and the unfolding state, the first rotating shaft 211 slides along the sliding groove 1221, so that the two supporting plates 120 are movably connected with the base 210, the two supporting plates 120 are guaranteed to rotate along the preset track, the movement precision of the supporting plates 120 is improved, the stability of the movement of the supporting plates 120 is improved, and the stable movement of the supporting plates 120 and the repeated movement track of the folding device in the switching process of each folding state and each unfolding state are ensured.

In this embodiment, by extending the first rotation shaft 211 into the chute 1221, the two supporting plates 120 are movably connected with the base 210, and the screw connection portion is not required to be provided on one side of the supporting plate 120 opposite to the middle plate 110 to connect the screws for pre-fixing, which is helpful to reduce the overall volume of the folding device, so that the folding device is more compact.

In one possible implementation, the mounting portion 122 may be an integral structure integrally formed with the carrier 120, which is advantageous for improving assembly accuracy.

In one possible implementation, the chute 1221 is an arc-shaped slot, and the opening of the chute 1221 faces the length direction of the middle plate 110, so as to facilitate assembly.

In one possible implementation manner, the first rotating shafts 211 are connected to two sides of the base 210, the first rotating shafts 211 may be fixedly connected to the base 210, and a section of the first rotating shaft 211 extends into the sliding groove 1221, and during the switching process of the folding device between the folded state and the unfolded state, the first rotating shaft 211 slides along the sliding groove 1221, so that the two supporting plates 120 relatively move along the preset movement tracks on two sides of the base 210, which is beneficial to reducing the number of parts.

In another possible implementation, referring to fig. 2 and 3, for convenience of assembly, hinge holes 215 are formed on both sides of the base 210, and the first shaft 211 may be inserted into the hinge holes 215 and the sliding grooves 1221, so that the first shaft 211 rotates relative to the base 210, and simultaneously the first shaft 211 slides along the sliding grooves 1221, which is beneficial to reducing friction between the first shaft 211 and the sliding grooves 1221 during the switching process of the folding device between the folded state and the unfolded state, and preventing abrasion of the first shaft 211 or the sliding grooves 1221, thereby ensuring accuracy of movement tracks of the two pallets 120.

Alternatively, referring to fig. 12 and 14, the folding device is in a folded state and an unfolded state, and corresponds to the positions of the two ends of the first rotation shaft 211 in the chute 1221, respectively, to perform a limiting function.

In one possible implementation, referring to fig. 5 and 7, the first supporting part 121 includes a supporting column connected to the mounting part 122, and the middle plate 110 forms a guide groove 111 at a side facing away from the bearing surface; when the folding device is in an unfolded state, the outer peripheral surface of the support column slides along the guide groove.

In one possible embodiment, the support column is disengaged from the guide slot when the folding device is in the folded state. In this embodiment, the middle plate 110 is lifted away from the base 210 by the cooperation of the outer peripheral surface of the support column and the guide groove 111, so that the bearing surfaces of the middle plate 110 and the two supporting plates 120 are flush when the folding device is in the unfolded state.

In one possible implementation, the guide groove 111 is a groove formed by recessing the middle plate 110 on a side facing away from the bearing surface, and the guide groove 111 may be curved.

In one possible implementation, referring to fig. 3 and 4, the support column may be fixedly connected to one surface of the mounting portion 122 opposite to the opening of the chute 1221, where the support column is cylindrical, and the extending direction of the central axis of the support column is consistent with the length direction of the middle plate 110, and the support column may be an integral structure integrally formed with the mounting portion 122, which is beneficial to ensuring the precision of the cooperation between the support column and the guide slot 111, and ensuring that the distance that the support column lifts the middle plate 110 each time is consistent.

In one possible implementation, referring to fig. 2 and 3, a folding device provided in an embodiment of the present application further includes a rotating assembly 200, where the rotating assembly 200 includes at least two swing arms 220 and a second rotating shaft 240 rotatably connected to the swing arms 220; the swing arm 220 is hinged to an end of the supporting plate 120 far from the middle plate 110, and the swing arm 220 is rotatably connected with the base 210 through a second rotating shaft 240.

In one possible implementation manner, at least two swing arms 220 are respectively hinged at one ends of the two supporting plates 120 far away from the middle plate 110, and the swing arms 220 are rotatably connected with the base 210 through the second rotating shaft 240, so that the swing arms 220 relatively swing along with the supporting plates 120 at two sides of the base 210 in the switching process of the folding device between the folding state and the unfolding state, and the problem of locking of the folding device can be prevented.

In one possible implementation, referring to fig. 2, 11 and 12, the folding device provided in the embodiment of the present application further includes a synchronous driving assembly 400, where the synchronous driving assembly 400 is disposed in the base 210, and the synchronous driving assembly 400 includes two driving arms 411 that are relatively swing disposed; the rotating assembly 200 further includes at least two sliding brackets 230, the at least two sliding brackets 230 are respectively slidably engaged with the two driving arms 411, and the sliding brackets 230 are rotatably connected to the second rotating shaft 240.

Optionally, the synchronous driving assembly 400 is configured to enable the two driving arms 411 to swing relatively and synchronously, and the at least two sliding brackets 230 are respectively slidably engaged with the two driving arms 411 to drive the sliding brackets 230 to swing, so that the sliding brackets 230 are rotatably connected to the second rotating shaft 240, and under the connection effect of the second rotating shaft 240, the swinging arms 220 and the supporting plate 120 are driven to swing relatively on two sides of the base 210.

Optionally, a through slot 231 is formed in the sliding support 230 along the first direction, and the driving arm 411 extends into the through slot 231 and slides along the through slot 231, so as to realize sliding fit between the sliding support 230 and the driving arm 411.

In one possible implementation, the synchronous drive assembly 400 may be of a conventional structure, which is not described herein, so that the two drive arms 411 can swing relatively and synchronously.

In one possible implementation, referring to fig. 8 and 15, the swing arm 220 includes a sliding section 221 and a fixed section 222 that are connected to each other, a guide slot 213 is formed in the base 210, the sliding section 221 is slidably disposed along the guide slot 213, a fixing hole 2221 is formed at an end of the fixed section 222 away from the sliding section 221, and the second rotating shaft 240 is rotatably disposed in the fixing hole 2221.

In one possible embodiment, the guide groove 213 has an arc shape, and the sliding section 221 is adapted to the shape of the guide groove 213.

In one possible implementation, the sliding section 221 and the fixed section 222 may be integrally connected as a unitary structure, reducing the number of parts and difficulty of assembly, and making assembly more efficient and quick.

Referring to fig. 3 and 10, in order to facilitate the rotation connection between the swing arm 220 and the base 210, a lug 123 is disposed on a surface of the supporting plate 120 opposite to the bearing surface, a rotation hole 1231 is formed in the lug 123, a connection portion is disposed on a surface of the sliding support 230 opposite to the supporting plate 120, a connection hole is formed in the connection portion, and the second rotation shaft 240 is inserted into the rotation hole 1231 formed in the lug 123, the connection hole formed in the sliding support 230, and the fixing hole 2221 of the swing arm 220, so that the connection among the supporting plate 120, the sliding support 230, and the swing arm 220 is achieved.

Referring to fig. 16, alternatively, the connection hole formed in the sliding bracket 230 and the fixing hole 2221 of the swing arm 220 may be circular holes, and the rotation hole 1231 formed in the lug 123 may be a waist-shaped hole.

In one possible implementation, referring to fig. 13 and 15, the elastic pulling assembly 300 includes a pulling member 310 and an elastic member 320, a movable hole 212 is formed in the base 210, a boss 214 is disposed on an inner wall of the movable hole 212, the boss 214 is located at one end of the movable hole 212 near the middle plate 110, the pulling member 310 is disposed in the movable hole 212 in a penetrating manner, one end of the pulling member 310 is connected with the middle plate 110, the other end of the pulling member 310 has a release preventing portion 311, the elastic member 320 is sleeved on an outer peripheral surface of the pulling member 310, and two ends of the elastic member 320 are respectively abutted between the release preventing portion 311 and the boss 214.

Optionally, the elastic pulling assembly 300 is used for driving the middle plate 110 to sink to reset, optionally, the boss 214 is used for preventing the elastic member 320 from being separated, and a through hole is formed in the center of the boss 214 for the pulling member 310 to pass through.

In one possible implementation, the pulling member 310 may be, for example, a screw, one end of the pulling member 310 may be connected to the middle plate 110 by a threaded connection, the anti-falling portion 311 is a head of the screw, and the elastic member 320 may be a spring or an elastic sleeve.

In one possible implementation, referring to fig. 5 and 8, an end of the sliding section 221 away from the fixed section 222 forms a second supporting portion 224, and the second supporting portion 224 is configured to abut against the middle plate 110 and push the middle plate 110 to move in a direction away from the base 210 when the folding device is in the unfolded state.

Alternatively, the second supporting parts 224, the first supporting parts 121, and the elastic traction members 300 are arranged at intervals along the length direction of the middle plate 110. By adopting the structure, the supporting effect of the middle plate 110 is more balanced, so that the whole middle plate 110 keeps consistent motion amount when the middle plate 110 ascends and descends, the problem of deformation of the middle plate 110 is avoided, and the flatness of the middle plate 110 is ensured.

In one possible embodiment, the projections of the first supporting portions 121, the second supporting portions 224, and the pulling members 310 in the first direction are all spaced apart. The first supporting portions 121, the second supporting portions 224 and the pulling members 310 are dispersed from each other, so as to improve the balance of the supporting effect on the middle plate 110, and to ensure the flatness of the middle plate 110.

Referring to fig. 6, 7 and 8, in the unfolded state of the folding apparatus, the first and second supporting parts 121 and 224 jack up the middle plate 110 in a direction away from the base 210, the pulling member 310 moves along with the middle plate 110 in a direction away from the base 210 in synchronization, and the elastic member 320 is compressed. Referring to fig. 15 and 15, when the folding device is in a folded state, the first supporting portion 121 and the second supporting portion 224 are both separated from the middle plate 110, the elastic member 320 is reset, and the elastic member 320 pushes the anti-falling portion 311, so that the pulling member 310 drives the middle plate 110 to move in a direction approaching the base 210 as a whole. The motion between medium plate 110 and the flexible screen suits, can prevent to cause the flexible screen to be extruded or pulled, improves the life of flexible screen, is favorable to alleviateing the crease of flexible screen folding position, has reduced dislocation data variable accuracy requirement to flexible screen.

The embodiment of the application provides a folding device, for current folding device, required part quantity reduces, has both made things convenient for the assembly, has improved the reliability of motion, can guarantee again to provide stable supporting effect to the flexible screen.

In one possible implementation, the flexible screen is disposed on the bearing surface of the folding device, where the folding device includes a middle plate 110 and supporting plates 120 located on two sides of the middle plate 110, and the flexible screen is connected to the bearing surfaces of the supporting plates 120 on two sides of the middle plate 110.

In one possible implementation, when the folding device is in the folded state, the two supporting plates 120 and the middle plate 110 enclose an avoidance space, and a section of the flexible screen in the avoidance space is in a water drop shape. Folds formed by the flexible screen can be reduced.

According to the folding device and the intelligent terminal, the two supporting plates 120 are relatively moved along the preset movement tracks on the two sides of the base 210, the folding stability of the intelligent terminal is improved, the number of required parts is small, and the assembly difficulty is reduced.

Referring to fig. 17, which is a schematic diagram of a hardware structure of a mobile terminal for implementing embodiments of the present application, the mobile terminal 500 may include: an RF (Radio Frequency) unit 501, a WiFi module 502, an audio output unit 503, an a/V (audio/video) input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and a power supply 511. It will be appreciated by those skilled in the art that the mobile terminal structure shown in fig. 17 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.

The following describes the components of the mobile terminal in detail with reference to fig. 17:

the radio frequency unit 501 may be used for receiving and transmitting signals during the process of receiving and transmitting information or communication, optionally, after receiving downlink information of the base station, processing the downlink information by the processor 510; and, the uplink data is transmitted to the base station. Typically, the radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol including, but not limited to, GSM (Global System of Mobile communication, global system for mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, 2000, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division duplex long term evolution), TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division duplex long term evolution), and 5G, among others.

WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive emails, browse webpages, access streaming media and the like through the WiFi module 502, so that wireless broadband Internet access is provided for the user. Although fig. 17 shows a WiFi module 502, it is understood that it does not belong to the necessary constitution of the mobile terminal, and can be omitted entirely as required within a range that does not change the essence of the application.

The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the WiFi module 502 or stored in the memory 509 into an audio signal and output as sound when the mobile terminal 500 is in a call signal reception mode, a talk mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 503 may also provide audio output (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 500. The audio output unit 503 may include a speaker, a buzzer, and the like.

The a/V input unit 504 is used to receive audio or video signals. The a/V input unit 504 may include a graphics processor (Graphics Processing Unit, GPU) 5041 and a microphone 5042, the graphics processor 5041 processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 506. The image frames processed by the graphics processor 5041 may be stored in the memory 509 (or other storage medium) or transmitted via the radio frequency unit 501 or the WiFi module 502. The microphone 5042 can receive sound (audio data) via the microphone 5042 in a telephone call mode, a recording mode, a voice recognition mode, or the like operation mode, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 501 in the case of a telephone call mode. The microphone 5042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting the audio signal.

The mobile terminal 500 also includes at least one sensor 505, such as a light sensor, a motion sensor, and other sensors. Optionally, the light sensor includes an ambient light sensor and a proximity sensor, optionally, the ambient light sensor may adjust the brightness of the display panel 5061 according to the brightness of ambient light, and the proximity sensor may turn off the display panel 5061 and/or backlight when the mobile terminal 500 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.

The display unit 506 is used to display information input by a user or information provided to the user. The display unit 506 may include a display panel 5061, and the display panel 5061 may be configured in the form of a liquid crystal display (Liquid Crystal Display, LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 507 may be used to receive input numeric or character information and to generate key signal inputs related to user settings and function control of the mobile terminal. Alternatively, the user input unit 507 may include a touch panel 5071 and other input devices 5072. The touch panel 5071, also referred to as a touch screen, may collect touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 5071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.), and drive the corresponding connection device according to a predetermined program. Touch panel 5071 may include two parts, a touch detection device and a touch controller. Optionally, the touch detection device detects the touch azimuth of the user, detects a signal brought by touch operation, and transmits the signal to the touch controller; the touch controller receives touch information from the touch detection device and converts it into touch point coordinates, which are then sent to the processor 510, and can receive commands from the processor 510 and execute them. In addition, the touch panel 5071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. Alternatively, other input devices 5072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, mouse, joystick, etc., as specifically not limited herein.

Alternatively, the touch panel 5071 may overlay the display panel 5061, and when the touch panel 5071 detects a touch operation thereon or thereabout, the touch panel is transferred to the processor 510 to determine a type of touch event, and the processor 510 then provides a corresponding visual output on the display panel 5061 according to the type of touch event. Although in fig. 17, the touch panel 5071 and the display panel 5061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 5071 and the display panel 5061 may be integrated to implement the input and output functions of the mobile terminal, which is not limited herein.

The interface unit 508 serves as an interface through which at least one external device can be connected to the mobile terminal 500. For example, the external devices may include a wired or wireless headset port, an external power (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 508 may be used to receive input (e.g., data information, power, etc.) from an external device and transmit the received input to one or at least one element within the mobile terminal 500 or may be used to transmit data between the mobile terminal 500 and an external device.

The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a storage program area and a storage data area, and alternatively the storage program area may store an operating system, an application program required for at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, the memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.

The processor 510 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by running or executing software programs and/or modules stored in the memory 509, and calling data stored in the memory 509, thereby performing overall monitoring of the mobile terminal. Processor 510 may include one or at least one processing unit; preferably, the processor 510 may integrate an application processor and a modem processor, the application processor optionally handling primarily an operating system, user interface, application programs, etc., the modem processor handling primarily wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 510.

The mobile terminal 500 may further include a power source 511 (e.g., a battery) for powering the various components, and preferably the power source 511 may be logically connected to the processor 510 via a power management system that performs functions such as managing charging, discharging, and power consumption.

Although not shown in fig. 17, the mobile terminal 500 may further include a bluetooth module or the like, which is not described herein.

The technical features of the technical solutions of the present application may be arbitrarily combined, and for brevity of description, all possible combinations of the technical features in the above embodiments are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the present application.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structures or equivalent processes using the descriptions and drawings of the present application, or direct or indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims

1. A folding device, comprising:

a pallet assembly (100) comprising a middle plate (110) and two pallets (120), the pallets (120) being arranged on both sides of the middle plate (110), the middle plate (110) and the pallets (120) having a bearing surface for bearing a flexible screen;

A base (210); the two supporting plates (120) are movably connected with the base (210) and are positioned on one side of the middle plate (110) which is opposite to the bearing surface;

-an elastic pulling assembly (300) connected between the base (210) and the middle plate (110), the elastic pulling assembly (300) being configured to pull the middle plate (110) to move in a direction approaching the base (210) when the folding device is in a folded state;

the pallet (120) comprises at least one first support (121), the first support (121) being configured to push the middle plate (110) to move away from the base (210) when the folding device is in the unfolded state.

2. The folding device of claim 1, comprising at least one of:

the elastic traction components (300) and the first supporting parts (121) are distributed at intervals along the length direction of the middle plate (110);

during the switching of the folding device between the folded state and the unfolded state, the two supporting plates (120) rotate relatively along a preset track;

when the folding device is in the folded state, the first support part (121) is out of contact with the middle plate (110).

3. The folding device according to claim 1, characterized in that a mounting portion (122) is provided on a side of the pallet (120) facing away from the carrying surface, and a chute (1221) is provided in the mounting portion (122);

the base (210) is connected with a first rotating shaft (211), and the first rotating shaft (211) extends into the sliding groove (1221) and slides along the sliding groove (1221).

4. A folding device according to claim 3, wherein the first support part (121) comprises a support column connected to the mounting part (122), and the middle plate (110) forms a guide groove (111) on a side facing away from the bearing surface;

the outer peripheral surface of the support column slides along the guide groove (111) when the folding device is in an unfolded state; and/or, when the folding device is in a folded state, the support column is separated from the guide groove (111).

5. The folding device of any of claims 1 to 4, further comprising a rotating assembly (200), the rotating assembly (200) comprising at least two swing arms (220) and a second rotating shaft (240) rotatably connected to the swing arms (220);

the swing arm (220) is hinged to one end, far away from the middle plate (110), of the supporting plate (120), and the swing arm (220) is rotatably connected with the base (210) through the second rotating shaft (240).

6. The folding device of claim 5, further comprising a synchronous drive assembly (400), the synchronous drive assembly (400) disposed within the base (210), the synchronous drive assembly (400) comprising two drive arms (411) disposed in a relatively swinging arrangement;

the rotating assembly (200) further comprises at least two sliding brackets (230), the at least two sliding brackets (230) are respectively in sliding fit with the two driving arms (411), and the sliding brackets (230) are rotatably connected with the second rotating shaft (240).

7. The folding device according to claim 5, characterized in that the oscillating arm (220) comprises a sliding section (221) and a fixed section (222) connected to each other, the base (210) being internally provided with a guide groove (213);

the sliding section (221) is arranged along the guide groove (213) in a sliding mode, a fixing hole (2221) is formed in one end, far away from the sliding section (221), of the fixing section (222), and the second rotating shaft (240) is rotatably arranged in the fixing hole (2221).

8. The folding device according to claim 7, characterized in that an end of the sliding section (221) remote from the fixed section (222) forms a second support (224); the second supporting part (224) is configured to abut against the middle plate (110) and push the middle plate (110) to move in a direction away from the base (210) when the folding device is in an unfolded state;

The second supporting portions (224), the first supporting portions (121) and the elastic traction assemblies (300) are arranged at intervals along the length direction of the middle plate (110).

9. The folding device of any of claims 1 to 4, wherein the elastic pulling assembly (300) comprises a pulling member (310) and an elastic member (320);

a movable hole (212) is formed in the base (210), a boss (214) is arranged on the inner wall of the movable hole (212), and the boss (214) is positioned at one end, close to the middle plate (110), of the movable hole (212);

the traction piece (310) is arranged in the movable hole (212) in a penetrating way, one end of the traction piece (310) is connected with the middle plate (110), and the other end of the traction piece (310) is provided with an anti-falling part (311); the elastic piece (320) is sleeved on the outer peripheral surface of the traction piece (310), and two ends of the elastic piece (320) are respectively abutted between the anti-falling part (311) and the boss (214).

10. An intelligent terminal comprising a flexible screen and the folding device of any one of claims 1 to 9.