CN113099013A

CN113099013A - Electronic device

Info

Publication number: CN113099013A
Application number: CN202110433080.XA
Authority: CN
Inventors: 张水林
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-07-09

Abstract

The application discloses electronic equipment belongs to electronic equipment technical field. The electronic equipment comprises a first support, a second support, a flexible screen, a first driving assembly and a second driving assembly, wherein the first support is in sliding fit with the second support, the first driving assembly is arranged on the second support and connected with the first support, a first part of the flexible screen is fixedly connected with the first support, a second part of the flexible screen is in sliding fit with the second support, the second driving assembly is arranged on the second support and connected with the flexible screen, and under the condition that the first support slides along the direction far away from the second support, the second part of the flexible screen moves from a first side of the first support to a second side of the first support; the second portion of the flexible screen is moved from the second side of the first support to the first side of the first support as the first support slides in a direction approaching the second support.

Description

Electronic device

Technical Field

The application belongs to the technical field of electronic equipment, and particularly relates to electronic equipment.

Background

In recent years, electronic equipment industries such as mobile phones, tablet computers and the like are rapidly developed, and the electronic equipment products have various functions, so that the use requirements of consumers are greatly met. At present, in order to solve the contradiction between the pursuit of electronic equipment for portability and the pursuit of large-screen electronic equipment by consumers, electronic equipment with a foldable screen appears. The electronic equipment can be folded or unfolded, for example, when the electronic equipment needs to be stored or used in a small screen, a user can fold the mobile phone in half; under the condition that a large screen is needed for daily entertainment and work, the folded electronic equipment can be unfolded by a user so as to be convenient for the user to use.

However, the electronic device of the folding screen also has a great disadvantage. Firstly, the folding screen electronic equipment is folded in half, so that the thickness of the folding screen mobile phone is thicker, and the carrying and holding experience of a user is poor; secondly, the electronic equipment of the folding screen is repeatedly bent at the same position, so that the repeatedly bent position is easy to damage, and the service life of the electronic equipment is limited; furthermore, the screen bending part of the folding screen electronic equipment is easy to have creases when being used for a long time, so that the appearance and the user experience are obviously reduced; in addition, the bending part of the folding screen electronic equipment needs to be capable of bending, and the bending part needs to be ensured to be capable of reliably supporting the screen, so that the structure of the bending part is extremely complex; finally, when the electronic equipment folded inwards is in a folded state, the screen cannot be displayed, and the use experience of a user is reduced.

Disclosure of Invention

The application aims at providing an electronic device, and the problem that the thickness of the existing folding screen electronic device is large after folding is solved at least.

In order to solve the technical problem, the present application is implemented as follows:

the embodiment of the application provides electronic equipment, which comprises a first support, a second support, a flexible screen, a first driving assembly and a second driving assembly, wherein the first support is in sliding fit with the second support, the first driving assembly is arranged on the second support and is connected with the first support, the first driving assembly is used for driving the first support to slide relative to the second support, a first part of the flexible screen is fixedly connected with the first support, a second part of the flexible screen is in sliding fit with the second support, the second driving assembly is arranged on the second support and is connected with the flexible screen, and the second driving assembly is used for driving the second part of the flexible screen to slide relative to the second support;

the second portion of the flexible screen moves from the first side of the first support to the second side of the first support with the first support sliding in a direction away from the second support;

the second portion of the flexible screen moves from the second side of the first support to the first side of the first support as the first support slides in a direction proximate to the second support.

In the embodiment of the application, the first driving component drives the first support and the second support to be unfolded or folded, the second driving component drives the flexible screen to move, when the first support and the second support are unfolded, the side edge, hidden in the electronic equipment, of the flexible screen capable of sliding over the first support is exposed on the surface of the electronic equipment, or when the first support and the second support are contracted, the exposed side edge, capable of sliding over the first support, of the flexible screen is hidden in the electronic equipment, the application realizes switching between the large screen and the small screen of the electronic equipment only through bending and sliding of the flexible screen, the whole electronic equipment is prevented from being folded, the problem that the thickness of the folded electronic equipment is large is solved, the electronic equipment is guaranteed to have relatively small thickness, and convenience is brought to consumers to carry and hold.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of an electronic device according to an embodiment of the invention;

FIG. 2 is a schematic structural view of a first bracket and a second bracket;

FIG. 3 is a schematic view of the first and second stents in a deployed state;

FIG. 4 is a schematic view of the first and second brackets in a fully collapsed state;

FIG. 5 is a schematic view of the first and second drive assemblies disposed on the second support;

FIG. 6 is a schematic view of a first drive assembly;

FIG. 7 is an exploded view of the first drive assembly;

FIG. 8 is a schematic view of a second drive assembly;

FIG. 9 is a schematic view of the drive assembly driving the first and second supports to deploy;

fig. 10 is a schematic structural view illustrating the driving assembly driving the first support and the second support to close;

fig. 11 is a schematic structural view of the first and second housings;

FIG. 12 is a schematic view of the electronic device in an expanded configuration;

fig. 13 is a schematic view of a folded electronic device;

fig. 14 is a sectional view of the electronic device in a collapsed state;

fig. 15 is a sectional view of the electronic apparatus in an unfolded state.

Reference numerals:

10. a telescopic bracket; 101. a first bracket; 1011. a carrier; 10111. a notch; 1012. a limiting member; 102. a second bracket; 11. a flexible screen; 12. a second side; 13. a first side; 14. a first base; 15. a first driving member; 16. a first screw; 17. a first pusher member; 18. a first balance column; 19. a first transmission assembly; 191. a first transmission frame; 1911. a first fixed part; 192. a first guide post; 193. a first spring; 20. a second transmission assembly; 21. a connecting member; 22. a first housing; 23. a second housing; 24. a roller; 25. a first drive assembly; 26. a second drive assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The features of the terms first and second in the description and in the claims of the present application may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the description of the present invention, it should 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An electronic device according to an embodiment of the invention is described below in connection with fig. 1-15.

As shown in fig. 1, an electronic device according to some embodiments of the present invention includes a first support 101, a second support 102, a flexible screen 11, a first driving assembly 25 and a second driving assembly 26, where the first support 101 and the second support 102 jointly form a telescopic support 10, the telescopic support 10 is unfolded or folded by relative sliding between the first support 101 and the second support 102, the telescopic support 10 functions to support the flexible screen 11, the first support 101 is slidably engaged with the second support 102, specifically, a sliding track is disposed on the first support 101, a sliding portion adapted to the sliding track is disposed on the second support 102, the sliding portion slides in the sliding track, so as to ensure the sliding connection between the first support 101 and the second support 102, the structure of the telescopic assembly can be simplified, the assembly is more convenient, and a form of direct contact sliding between the two is adopted, the problem that the telescopic bracket 10 is easily damaged can be avoided, the telescopic motion of the telescopic bracket 10 is more reliable, and the telescopic bracket 10 can be expanded and contracted in the same plane.

The first driving assembly 25 is disposed on the second support 102 and connected to the first support 101, the first driving assembly 25 is configured to drive the first support 101 to slide relative to the second support 102, so as to provide power for the extension and retraction of the telescopic support 10, and the first driving assembly 25 may include a motor and other power sources. A first portion of the flexible screen 11 is fixedly connected with the first bracket 101, a second portion of the flexible screen 11 is in sliding fit with the second bracket 102, the second driving assembly 26 is disposed on the second bracket 102 and connected with the flexible screen 11, and the second driving assembly 26 is used for driving the second portion of the flexible screen 11 to slide relative to the second bracket 102; the second portion of the flexible screen 11 is moved from the first side 13 of the first support 101 to the second side 12 of the first support 101 in case the first support 101 is slid in a direction away from the second support 102; the second portion of the flexible screen 11 is moved from the second side 12 of the first support 101 towards the first side 13 of the first support 101, in case the first support 101 is slid in a direction approaching the second support 102.

It should be noted that the flexible screen 11 carried by the second side 12 of the first support 101 is a portion exposed to an outer surface of the electronic device, that is, a portion of the flexible screen 11 displaying an image, the portion of the flexible screen 11 opposite to the first side 13 of the first support 101 is the flexible screen 11 hidden in the electronic device, and the size of the display screen of the electronic device is changed by sliding the flexible screen 11 between the first side 13 and the second side 12 of the first support 101.

Optionally, the telescopic bracket 10 may also have other structures, for example, the telescopic bracket 10 includes a fixed portion and two moving portions, the driving assembly is disposed on the fixed portion, the two moving portions are respectively connected to the driving assembly, and the driving assembly drives the two moving portions to move relative to the fixed portion, so as to extend and retract the telescopic bracket 10.

Optionally, the number of the first driving assemblies 25 may be two, and the two first driving assemblies 25 are arranged at intervals, so that when the first driving assemblies 25 drive the telescopic bracket 10, the stress on the telescopic bracket 10 can be balanced, and the effect of stably extending and retracting the telescopic bracket 10 is achieved; similarly, the number of the second driving assemblies 26 can also be two, and the two second driving assemblies 26 are arranged at intervals, so that when the second driving assemblies 26 drive the flexible screen 11 to move, the stress of the flexible screen 11 can be balanced, and the effect of enabling the flexible screen 11 to move stably is achieved.

In the embodiment of the application, the first driving assembly 25 drives the first support 101 and the second support 102 to unfold or fold, the second driving assembly 26 drives the flexible screen 11 to move, when the first support 101 and the second support 102 are unfolded, the flexible screen 11 hidden in the electronic device can slide over the side edge of the first support 101 to be exposed on the surface of the electronic device, or when the first support 101 and the second support 102 are folded, the exposed flexible screen 11 can slide over the side edge of the first support 101 to be hidden in the electronic device, the application realizes switching between a large screen and a small screen of the electronic device only by bending and sliding the flexible screen 11, avoids folding of the whole electronic device, and solves the problem that the thickness of the folded electronic device is large, thereby ensuring that the electronic device has relatively small thickness and is convenient for a consumer to carry and hold; simultaneously, first drive assembly 25 and second drive assembly 26 can drive telescopic bracket 10 and flexible screen 11 simultaneously, can guarantee the motion of flexible screen 11 with telescopic bracket 10's motion looks adaptation avoids telescopic bracket 10's motion to be able to drive flexible screen 11's motion, causes to use to experience not good, influences the customer and uses experience.

Furthermore, the electronic equipment avoids the problem that the bent part of the electronic equipment is easy to damage due to repeated bending of the same part of the electronic equipment, so that the electronic equipment is not easy to damage, and the service life of the electronic equipment is ensured; meanwhile, the flexible screen 11 is prevented from being repeatedly bent at the same position, so that the problem that creases are easily formed on the screen of the electronic equipment of the conventional folding screen after the screen is repeatedly bent is solved; meanwhile, compared with the structure that the electronic equipment is integrally folded in half in the prior art, the structure is simple, and whether the flexible screen 11 can be well supported or not can be well supported; meanwhile, the display screen can display through the same flexible screen 11 no matter in a large screen or a small screen state, and user experience is improved.

Optionally, the first driving assembly 25 includes a first base 14, a first driving member 15, a first screw 16 and a first pushing member 17. The first base 14 plays a role of supporting other components of the first driving assembly 25, the first base 14 is fixed on the second bracket 102, and specifically, the first base 14 may be fixedly connected to the second bracket 102 through a component such as a screw.

The first driving member 15 may be a power source such as a motor, the first driving member 15 is fixedly disposed on the first base 14, the first screw 16 is rotatably disposed on the first base 14, the first screw 16 is in transmission connection with the first driving member 15, that is, the first screw 16 is connected with a power output end of the first driving member 15, and the first driving member 15 drives the screw to rotate on the first base 14.

The first pushing member 17 is provided with a first threaded hole matched with the first screw 16, the first pushing member 17 is arranged on the first screw 16 through the first threaded hole, that is, the first screw 16 is screwed with the threaded hole on the first pushing member 17, meanwhile, the first pushing member 17 is connected with the first bracket 101, and under the condition that the first screw 16 rotates, the first pushing member 17 can move along the axial direction of the first screw 16 under the action of threaded connection, so that the first pushing member 17 drives the first bracket 101 to move relative to the second bracket 102. The first support 101 can move more stably relative to the second support 102 through the threaded connection between the first screw 16 and the first pushing piece 17 with the threaded hole, and the threaded connection is adopted in the application, so that the structure of the application is simpler, the damage is not easy to damage, and the maintenance is convenient.

Optionally, the first driving assembly 25 further includes a first balance post 18, two ends of the first balance post 18 are fixedly disposed on the first base 14, the first balance post 18 is disposed in parallel with the first screw 16, the first pushing member 17 has a first balance hole, and the first pushing member 17 is slidably disposed on the first balance post 18 through the first balance hole, that is, in case that the first pushing member 17 moves along the axial direction of the first screw 16, the first pushing member 17 slides on the first balance post 18 through the first balance hole. The first balance column 18 in the present application plays a role in limiting and guiding the first pushing member 17, so as to ensure that the first pushing member 17 can move according to a predetermined posture and a predetermined movement path, and ensure that the first bracket 101 and the second bracket 102 have reliable relative sliding.

Alternatively, the number of the first balance columns 18 may be multiple, for example, the number of the first balance columns 18 is two, and two first balance columns 18 are symmetrically arranged on both sides of the first screw 16, so that the stability of the movement of the first pushing member 17 can be further ensured.

Optionally, the first driving assembly 25 further includes a first transmission assembly 19, the first pushing member 17 is connected to the first bracket 101 through the first transmission assembly 19, the first transmission assembly 19 includes a first transmission frame 191, a first guiding column 192 and a first spring 193, the first transmission frame 191 has oppositely disposed first fixing portions 1911, two ends of the first guiding column 192 are respectively fixedly disposed on the first fixing portions 1911, and an axis of the first guiding column 192 is parallel to an axis of the first screw 16; the first pushing member 17 is provided with a first sliding hole, the first pushing member 17 is slidably connected to the first guiding post 192 through the first sliding hole, the first spring 193 is sleeved on the first guiding post 192, one end of the first spring 193 abuts against the first fixing portion 1911, and the other end of the first spring 193 abuts against the first pushing member 17, so that the first transmission frame 191 is connected to the first support 101.

The movement process of the first transmission assembly 19 is that the first screw 16 drives the first pushing member 17 to move, meanwhile, the first pushing member 17 slides on the first guiding column 192 through the first sliding hole on the first pushing member, and the sliding first pushing member 17 compresses the spring, so that the compressed spring pushes the first transmission frame 191 to move, and the first transmission frame 191 is fixedly connected with the first support 101, therefore, the first pushing member 17 can drive the first support 101 to move through the first transmission assembly 19. The first transmission assembly 19 substantially provides a buffer protection, so that the movement between the first pushing member 17 and the first support 101 is buffered, and the problem that the first pushing member 17 and the first support 101 are easy to damage due to rigid connection is avoided, for example, when the first support 101 is stuck due to external factors during the movement, the first pushing member 17 can continue to move under the buffer action of the spring, so that a reaction time for controlling the electronic device to stop moving is reserved for a consumer, and the effect of protecting the electronic device is achieved; in contrast, if the first transmission assembly 19 is not provided, the first pushing member 17 is directly and rigidly connected to the first bracket 101, and when the first bracket 101 is stuck by external factors, the first pushing member 17 cannot move further, which may cause damage to the first driving member 15 or the threaded connection structure.

Optionally, a slide way is formed on the first driving frame 191, two ends of the slide way extend out of the first fixing portions 1911, and the slide way is at least matched with a part of the first pushing member 17, so that the first pushing member 17 slides along the slide way on the first driving frame 191, and the motion stability of the first pushing member 17 can be further ensured; a folded edge extends from the side edge of the first transmission frame 191 parallel to the first screw 16, and the folded edge is fixedly connected with the first support 101 through screws and other connection modes, so that the contact area between the first transmission frame 191 and the first support 101 can be increased, and the first transmission frame 191 can reliably drive the first support 101 to move.

Optionally, the first driving assembly 25 includes two paired first transmission assemblies 19, and the two first transmission assemblies 19 are symmetrically disposed on two sides of the first screw 16. That is to say, the same first pushing member 17 is connected with the two first guide posts 192 in a sliding manner, and the same first pushing member 17 can push the two first springs 193 to drive the first transmission rack 191 corresponding to the springs, so that the stress of the first pushing member 17 is balanced, the phenomenon that the threaded connection between the first pushing member 17 and the first screw 16 is worn unevenly due to unbalanced stress of the first pushing member 17 to shorten the service life is avoided, and the phenomenon that the first pushing member 17 and the first screw 16 are stuck can also be avoided; meanwhile, the connection area of the first transmission assembly 19 and the first support 101 can be further increased, so that the movement of the first support 101 is more reliable.

Optionally, the structure of the second driving assembly 26 is the same as that of the first driving assembly 25, the second driving assembly 26 is fixed on the second bracket 102, and the second bracket 102 is connected to the flexible screen 11 through the second driving assembly 26. That is, the second driving assembly 26 has the same components as the first driving assembly, for example, the second driving assembly 26 also has the same corresponding second base, second driving member, second screw rod and second pushing member as the components of the first driving assembly 25, and the connection relationship of the components of the second driving assembly 26 is the same as that of the components of the first driving assembly 25; the first driving assembly 25 differs from the second driving assembly 26 in that the first pushing member 17 of the first driving assembly 25 is connected to the first support 101, and the second pushing member of the second driving assembly 26 is connected to the flexible screen 11, so that the second driving assembly 26 drives the flexible screen 11 to move.

Further, the second driving assembly 26 further includes a second balance post and a second transmission assembly 20, wherein the specific structure and connection relationship of the second balance post and the second transmission assembly 20 refer to the first driving assembly 25, and are not described herein again.

Optionally, the second driving assembly 26 includes 2 paired second transmission assemblies 20 and 1 connecting member 21, 2 the second transmission assemblies 20 are simultaneously connected to the connecting member 21, the connecting member 21 is connected to the flexible screen 11, that is, 2 the second transmission assemblies 20 are connected to the flexible screen 11 through 1 connecting member 21, so that the area of the second driving assembly 26 connected to the flexible screen 11 is increased, the situation that the flexible screen 11 having flexibility only moves locally when the stressed area is small is avoided, and the flexible screen 11 can be reliably stressed to move.

Optionally, the first support 101 has a bearing element 1011 and a limiting element 1012 arranged opposite to the bearing element 1011, at least a portion of the second support 102 is interposed between the bearing element 1011 and the limiting element 1012, and when the bearing element 1011 and the limiting element 1012 slide relative to the second support 102, the first support 101 slides relative to the second support 102, the first support 101 can clamp the second support 102 between the bearing element 1011 and the limiting element 1012, and can limit the degree of freedom of rotation of the second support 102 relative to the second support 102, so as to prevent the second support 102 from rotating relative to the first support 101, thereby ensuring the reliability of the relative movement between the first support 101 and the second support 102, and ensuring that the telescopic support 10 can be extended and retracted according to a predetermined trajectory.

Optionally, a notch 10111 is formed on a side edge of the carrier 1011, the first driving component 25 and the second driving component 26 are fixedly disposed on the second bracket 102 at a position corresponding to the notch 10111, when the first driving component 25 and the second driving component 26 move, the notch 10111 on the first bracket 101 moves relative to the first base 14, the second base and other components fixed on the second bracket 102, and even when the first bracket 101 moves enough, the first base 14, the second base and other components fixed on the second bracket 102 are located outside the notch 10111 of the first bracket 101, and the first driving component 25 and the second driving component such as the first driving frame 191 and the second driving frame on the second driving component 26 opposite to the first driving frame 191 move along with the first bracket 101. The notch 10111 formed in the first bracket 101 can save space for separately arranging the first driving assembly 25 and the second driving assembly 26 on the second bracket 102, and the structure of the whole electronic device can be more compact. Further, the shape of the notch 10111 can be designed according to the needs, for example, the notch 10111 on the first support 101 is designed to be matched with the overall shape of the first driving assembly 25 and the second driving assembly 26.

Optionally, the electronic device further includes a first housing 22 and a second housing 23, the first bracket 101 is fixedly disposed on the first housing 22, a first gap is formed between the first housing 22 and the first bracket 101, and a portion of the flexible screen 11 is located in the first gap; the second bracket 102 is fixedly disposed on the second housing 23, a second gap is formed between the second housing 23 and the second bracket 102, and a portion of the flexible screen 11 is located in the second gap. That is to say, the first shell 22 and the second shell 23 can wrap the telescopic bracket 10 and the flexible screen 11, so that the first shell 22 and the second shell 23 provide an accommodating space for the flexible screen 11 and the telescopic bracket 10, and play roles of limiting and protecting the edges of the flexible screen 11 and the telescopic bracket 10, and the like, wherein the first shell 22 and the second shell may be a shell of an electronic device, and the like.

Optionally, the telescopic bracket 10 includes a roller 24, the roller 24 is rotatably disposed at a side of the telescopic bracket 10, an axial direction of the roller 24 is perpendicular to a telescopic direction of the telescopic bracket 10, the flexible screen 11 is disposed around the roller 24, so that a friction force between the flexible screen 11 and the roller 24 can be reduced, and the roller 24 can reliably provide a support for the flexible screen 11; specifically, the side of the telescopic bracket 10 may have opposite support portions extending therefrom, two of the support portions may have a connecting hole respectively, the two ends of the roller 24 may have a connecting portion, and the connecting portion extends into the connecting hole to enable the roller 24 and the telescopic bracket 10 to form a rotatable connection, wherein the inner wall of the connecting hole and the connecting portion may be connected by a bearing, so as to further reduce frictional resistance, and of course, the rotatable connection between the roller 24 and the telescopic bracket 10 may also be connected by a manner known to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electronic device is characterized by comprising a first support, a second support, a flexible screen, a first driving assembly and a second driving assembly, wherein the first support is in sliding fit with the second support, the first driving assembly is arranged on the second support and is connected with the first support, the first driving assembly is used for driving the first support to slide relative to the second support, a first part of the flexible screen is fixedly connected with the first support, a second part of the flexible screen is in sliding fit with the second support, the second driving assembly is arranged on the second support and is connected with the flexible screen, and the second driving assembly is used for driving the second part of the flexible screen to slide relative to the second support;

2. The electronic device of claim 1, wherein the first drive assembly comprises:

the first base is fixed on the second support;

the first driving piece is fixedly arranged on the first base, the first screw rod is rotatably arranged on the first base, and the first screw rod is in transmission connection with the first driving piece;

the first pushing piece is provided with a first threaded hole matched with the first screw rod, the first pushing piece is arranged on the first screw rod through the first threaded hole, and the first pushing piece is connected with the first bracket.

3. The electronic device of claim 2, wherein the first driving assembly further includes a first balance post, two ends of the first balance post are fixedly disposed on the first base, the first balance post is disposed in parallel with the first screw, the first pushing member has a first balance hole thereon, and the first pushing member is slidably disposed on the first balance post through the first balance hole.

4. The electronic device of claim 2, wherein the first drive assembly further comprises a first transmission assembly, the first pusher being coupled to the first carriage via the first transmission assembly, the first transmission assembly comprising:

the first transmission frame is provided with a first fixing part which is oppositely arranged, and the first transmission frame is connected with the first support;

two ends of the first guide column are respectively fixedly arranged on the first fixing part, and the axis of the first guide column is parallel to the axis of the first screw rod; the first pushing piece is provided with a first sliding hole and is connected with the first guide column in a sliding manner through the first sliding hole;

the first spring is sleeved on the first guide post, one end of the first spring is abutted against the first fixing part, and the other end of the first spring is abutted against the first pushing part.

5. The electronic device according to claim 4, wherein the first driving assembly comprises two first transmission assemblies in pair, and the two first transmission assemblies are symmetrically arranged on two sides of the first screw rod.

6. The electronic device of claim 5, wherein the second driving assembly has the same structure as the first driving assembly.

7. The electronic device of claim 6, wherein the second driving assembly comprises 2 second transmission assemblies and 1 connecting member in pair, wherein 2 second transmission assemblies are simultaneously connected with the connecting member, and the connecting member is connected with the flexible screen.

8. The electronic apparatus according to claim 1, wherein the first holder has a carrier and a stopper provided opposite to the carrier, at least a part of the second holder is interposed between the carrier and the stopper, and the first holder slides relative to the second holder when the carrier and the stopper slide relative to the second holder.

9. The electronic device according to claim 8, wherein a notch is formed in a side edge of the carrier, and the first driving assembly and the second driving assembly are fixedly disposed on the second bracket at a position corresponding to the notch.

10. The electronic device of claim 1, further comprising a first housing and a second housing;

the first support is fixedly arranged on the first shell, a first gap is formed between the first shell and the first support, and part of the flexible screen is positioned in the first gap;

the second support is fixedly arranged on the second shell, a second gap is formed between the second shell and the second support, and part of the flexible screen is located in the second gap.