CN113129749A

CN113129749A - Electronic device

Info

Publication number: CN113129749A
Application number: CN202110387036.XA
Authority: CN
Inventors: 蔡程; 陈旭
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-07-16

Abstract

The invention discloses electronic equipment, which comprises an equipment main body, a scroll, a driving mechanism and a flexible display screen, wherein the scroll is rotatably arranged in the equipment main body, the flexible display screen is provided with a first end and a second end, at least one of the first end and the second end is connected with the scroll, the flexible display screen can be at least partially wound on the scroll, the driving mechanism comprises a turntable and a driving unit, the driving unit is used for driving the turntable to rotate, the plane on which the turntable rotates is vertical to the extending direction of the scroll, the turntable is connected with at least one of the first end and the second end, and the turntable is used for driving at least one of the first end and the second end to move so as to drive the flexible display screen to switch between an unfolding state and a folding state. The driving mechanism has the advantages of simple structure, small occupied space, reliable operation and convenient maintenance due to few connecting parts even if the driving mechanism breaks down, and avoids the problem that the connection of a plurality of parts in a complex structure is easy to break down.

Description

Electronic device

Technical Field

The invention relates to the technical field of communication equipment, in particular to electronic equipment.

Background

With the increase of the display screen of the electronic equipment, not only a wider field of view is brought to the user, but also the content displayed by the large-screen electronic equipment is more and more detailed. Therefore, the large-screen electronic equipment provides great comfort for users in both vision and use experience. But some wearable smart machines are because the requirement of convenience and the restriction of structure, the display screen can't be done very big, the wearable smart machine of this kind of little screen, user experience feels relatively poor, at present, in order to satisfy the demand of big screen and little screen simultaneously, the electronic equipment that can expand and contract has appeared, can have great screen when electronic equipment is in the expansion state, can have less screen when electronic equipment is in the shrink state, however, the actuating mechanism's that drive electronic equipment expanded and contract structure is complicated, occupation space is big, even electronic equipment is in the shrink state, still occupy very big space.

Disclosure of Invention

The invention discloses electronic equipment, which aims to solve the problems of complex structure and large occupied space of a driving mechanism for driving the electronic equipment to expand and contract.

In order to solve the problems, the invention adopts the following technical scheme:

an electronic device comprises a device main body, a scroll, a driving mechanism and a flexible display screen,

the reel is rotatably disposed on the apparatus body, the flexible display screen has a first end and a second end, at least one of the first end and the second end is connected to the reel, the flexible display screen is at least partially windable around the reel,

the driving mechanism comprises a rotary disc and a driving unit, the driving unit is used for driving the rotary disc to rotate, the plane where the rotary disc rotates is perpendicular to the extending direction of the scroll, the rotary disc is connected with at least one of the first end and the second end, and the rotary disc is used for driving at least one of the first end and the second end to move so as to drive the flexible display screen to be switched between the unfolding state and the folding state.

The technical scheme adopted by the invention can achieve the following beneficial effects:

by adopting the electronic equipment, the driving mechanism can drive the flexible display screen to be switched between the expansion state and the contraction state, and the display area of the flexible display screen is larger in the expansion state, so that the use requirement of a user on the large-screen electronic equipment can be met; under the shrink state, the display area of flexible display screen is less, correspondingly, electronic equipment's whole size is less, on the basis that satisfies user to electronic equipment's basic user demand, satisfies the requirement of operation and portability convenience simultaneously, and actuating mechanism simple structure, occupation space is little, avoids the connection of a plurality of spare parts to break down easily among the complex construction, and the operation is reliable, even break down, because adapting unit is few also easy to overhaul.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of an electronic device according to the present invention when a flexible display screen is in a retracted state;

FIG. 2 is a schematic structural diagram of an electronic device according to the present invention when the flexible display screen is in an unfolded state;

FIG. 3 is a top view of an electronic device in one embodiment of the invention with a flexible display in a collapsed state;

FIG. 4 is a partial schematic view of FIG. 3 from another perspective;

FIG. 5 is a top view of an electronic device in an expanded state of a flexible display screen in one embodiment of the invention;

FIG. 6 is a partial schematic view of the structure of FIG. 5 from another perspective;

FIG. 7 is a top view of an electronic device in another embodiment of the invention with a flexible display in a collapsed state;

FIG. 8 is a partial schematic view of the structure of FIG. 7 from another perspective;

FIG. 9 is a top view of an electronic device in another embodiment of the invention with a flexible display in an expanded state;

FIG. 10 is a partial schematic view of the structure of FIG. 9 from another perspective;

FIG. 11 is a schematic view of the rotation of a piezo-ceramic motor according to the present invention;

FIG. 12 is a schematic cross-sectional view of a piezoceramic motor according to the present invention;

FIG. 13 is a schematic diagram illustrating the inverse piezoelectric effect of the piezoelectric ceramic according to the present invention;

FIG. 14 shows the polarization mode of the ring-shaped piezoelectric ceramic in the present invention.

Description of reference numerals:

100-device body, 110-first body, 111-first support, 120-second body, 121-second support,

200-reel, 210-first reel, 220-second reel,

300-flexible display screen,

400-drive mechanism, 410-drive unit, 411-knob, 412-connecting shaft, 413-piezoceramic motor, 4131-piezoceramic, 4132-elastomer, 4133-wear-resistant material layer, 420-rotary disk, 421-drive part, 422-connecting part, 4221-first connecting part, 4222-second connecting part, 430-connecting rod, 431-first connecting rod, 432-second connecting rod,

500-retraction mechanism, 510-coil spring, 520-circular shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "first," "second," and the like in the description herein are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that embodiments of the invention may be practiced otherwise than as specifically illustrated and described herein. Further, "and/or" in the specification and claims means at least one of the connected objects.

The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 10, the present invention provides an electronic apparatus including an apparatus main body 100, a reel 200, a driving mechanism 400, and a flexible display 300.

The apparatus body 100 is a base member of the electronic apparatus, and the apparatus body 100 can provide a mounting base for other constituent members of the electronic apparatus. The reel 200 is rotatably provided to the apparatus body 100, and the reel 200 is rotatable with respect to the apparatus body 100 to wind and release the flexible display 300.

The flexible display 300 has a first end and a second end, at least one of the first end and the second end is connected to the scroll 200, the scroll 200 may be connected to the first end of the flexible display 300 and may also be connected to the second end of the flexible display 300, if the number of the scroll 200 is set to one, the scroll 200 is connected to the first end or the second end, and if the number of the scroll 200 is at least two, two of the scroll 200 may be connected to the first end and the second end of the flexible display 300, respectively.

The flexible display screen 300 can be at least partially wound around the reel 200, and when a user needs to expand the display screen of the electronic device, the reel 200 can be rotated to separate the part of the flexible display screen 300 wound around the reel 200 from the reel 200, so that the distance between the first end and the second end of the flexible display screen 300 is increased, and the display area of the electronic device is increased to meet the use requirement of the user; when the use is completed, the scroll shaft 200 may be rotated reversely, so that more parts of the flexible display screen 300 are wound on the scroll shaft 200, and the distance between the first end and the second end of the flexible display screen 300 is reduced, thereby reducing the display area of the electronic device. And at least part of the flexible display screen 300 is wound on the reel 200, so that the flexible display screen 300 can be prevented from being folded, the use experience of a user is improved, and the service life of the flexible display screen 300 is prolonged.

The driving mechanism 400 comprises a rotating disc 420 and a driving unit 410, the driving unit 410 provides power for driving the rotating disc 420 to rotate, a plane in which the rotating disc 420 rotates is perpendicular to the extending direction of the scroll 200, the rotating disc 420 is connected with at least one of the first end and the second end, and the rotating disc 420 is used for driving at least one of the first end and the second end to move so as to drive the flexible display screen 300 to switch between the unfolded state and the folded state, wherein in the unfolded state, the distance between the first end and the second end is a first distance; in the contracted state, the distance between the first end and the second end is a second distance, and the first distance is greater than the second distance.

Specifically, the turntable 420 drives one of the first end and the second end to move, the other end is fixed, the distance between the first end and the second end becomes larger, when the distance between the first end and the second end reaches the first distance, the flexible display screen 300 is in an expanded state, the driving unit 410 drives the turntable 420 to rotate in reverse, the turntable 420 drives one of the first end and the second end to move in reverse, the other end is fixed, the distance between the first end and the second end becomes smaller, and when the distance between the first end and the second end reaches the second distance, the flexible display screen 300 is in a contracted state.

Or, the first end and the second end are both driven to move by the rotating disc 420, the distance between the first end and the second end is increased, when the distance between the first end and the second end reaches the first distance, the flexible display screen 300 is in an expanded state, the driving unit 410 drives the rotating disc 420 to rotate in the reverse direction, the first end and the second end are both driven to move in the reverse direction by the rotating disc 420, the distance between the first end and the second end is decreased, and when the distance between the first end and the second end reaches the second distance, the flexible display screen 300 is in a contracted state.

It should be noted that if at least one of the first end and the second end is connected with the reel 200 and the end is driven to move by the turntable 420, the end moves together with the reel 200, and if at least one of the first end and the second end is connected with the reel 200 and the end is fixed, the end is fixed together with the reel 200.

By adopting the electronic device of the invention, the driving mechanism 400 can drive the flexible display screen 300 to switch between the expansion state and the contraction state, and the display area of the flexible display screen 300 is larger in the expansion state, so that the use requirement of a user on the large-screen electronic device can be met; in the contracted state, the display area of the flexible display screen 300 is smaller, accordingly, the overall size of the electronic device is smaller, and on the basis of meeting the basic use requirements of users on the electronic device, the requirements of operation and carrying convenience are met. Therefore, the electronic device of the invention can solve the problems of inconvenient operation and carrying of the existing large-screen electronic device and poor experience of the small-screen electronic device, and the driving mechanism 400 has simple structure and reliable operation.

In an embodiment of the present invention, the turntable 420 has a driving part 422 and a connecting part 422, the driving part 422 is connected to the driving unit 410, a preset distance is provided between the center of the connecting part 422 and the center of the driving part 422, and the connecting part 422 is connected to at least one of the first end and the second end. In this embodiment, the center of the driving portion 422 is the rotation center of the turntable 420, the center of the connecting portion 422 is eccentrically disposed with respect to the rotation center, when the retractable turntable 420 rotates, the position of the rotation center is unchanged, and the position of the connecting portion 422 changes along with the rotation of the turntable 420, so as to drive at least one of the first end and the second end connected to the connecting portion 422 to move.

One connection portion 422 may be provided when the dial 420 drives one of the first end and the second end, and two connection portions 422 may be provided when the dial 420 drives two of the first end and the second end.

In the case where two connection portions 422 are provided, the two connection portions 422 are a first connection portion 4221 and a second connection portion 4222, respectively, a center of the first connection portion 4221, a center of the driving portion 422, and a center of the second connection portion 4222 are located on the same straight line, the center of the driving portion 422 is located between the center of the first connection portion 4221 and the center of the second connection portion 4222, the first connection portion 4221 is connected to a first end, and the second connection portion 4222 is connected to a second end. In this embodiment, the center of the first connection portion 4221 and the center of the second connection portion 4222 are respectively located at two sides of the center of the driving portion 422, the driving unit 410 drives the rotation of the rotation disc 420, the rotation disc 420 drives the first end and the second end to move through the first connection portion 4221 and the second connection portion 4222 at the same time, the distance between the first end and the second end becomes larger, when the distance between the first end and the second end reaches the first distance, the flexible display screen 300 is in the unfolded state, the driving unit 410 drives the rotation disc 420 to rotate in the reverse direction, the rotation disc 420 drives the first end and the second end to move in the reverse direction through the first connection portion 4221 and the second connection portion 4222 at the same time, the distance between the first end and the second end becomes smaller, and when the distance between the first end and the second end reaches the second distance, the flexible display screen.

In the embodiment of the present invention, the driving mechanism 400 further includes a link 430, the connection portion 422 is connected to at least one of the first end and the second end through the link 430, one end of the link 430 is hinged to the connection portion 422, and the other end of the link 430 is hinged to at least one of the first end and the second end. The rotation of the rotation plate 420 may be converted into the movement of at least one of the first and second ends by the hinge of the link 430 to the connection portion 422 and the hinge of the link 430 to at least one of the first and second ends.

In a further embodiment of the present invention, the device main body 100 includes a first main body 110 and a second main body 120, the first main body 110 and the second main body 120 are disposed opposite to each other, a first end is connected to the first main body 110, a second end is connected to the second main body 120, the first end is driven by the link 430 to move through the first main body 110, and/or the second end is driven by the link 430 to move through the second main body 120. The other end of the link 430 is hinged to the first body portion 110 and/or the other end of the link 430 is hinged to the second body portion 120.

A reel 200 is provided in at least one of the first and

second body portions

110 and 120, the reel 200 is rotatably provided in the first and/or

second body portions

110 and 120, and at least one of the first and second ends is connected to the reel 200. In this embodiment, the driving mechanism 400 drives the first main body 110 and/or the second main body 120 to move, so as to drive the reel 200 disposed therein to move, and the reel 200 moves at least one of the first end and the second end of the reel 200 to wind or release, so that the distance between the first end and the second end changes.

The driving unit 410 is explained as follows:

in one embodiment of the present invention, as shown in fig. 3 to 6, the driving unit 410 includes a knob 411 and a connecting shaft 412, the knob 411 is disposed outside the apparatus body 100 for a user to manually rotate, the knob 411 is connected to the connecting shaft 412, and the connecting shaft 412 is connected to the driving part 422. During operation, a user manually rotates the knob 411 as required, the knob 411 rotates, the knob 411 drives the connecting shaft 412 to rotate, the connecting shaft 412 drives the rotating disc 420 to rotate, and the rotating disc 420 rotates to drive at least one of the first end and the second end to move, so that the distance between the first end and the second end is changed. This embodiment does not require power on, and the flexible display 300 can be switched between the expanded state and the contracted state by manual operation.

In another embodiment of the present invention, as shown in fig. 7-10, the driving unit 410 includes a piezo ceramic motor 413, the piezo ceramic motor 413 is disposed in the device main body 100, the piezo ceramic motor 413 is connected to the turntable 420, and the piezo ceramic motor 413 drives the turntable 420 to rotate; in operation, the piezo ceramic motor 413 is powered on to drive the rotation of the rotation disc 420, and the rotation disc 420 rotates to drive at least one of the first end and the second end to move, so that the distance between the first end and the second end changes, and the piezo ceramic motor 413 is powered on by a reverse current to drive the rotation disc 420 to rotate in a reverse direction, thereby realizing the switching between the expansion state and the contraction state of the flexible display screen 300. Because piezoceramics motor 413 has characteristics small, longe-lived and stability is good, the noise is little, adopts piezoceramics motor 413 drive carousel 420 to rotate in this embodiment, not only can save space, makes electronic equipment's size littleer, can make the removal of flexible display screen 300 more stable moreover, extension electronic equipment's life.

As shown in fig. 11 to 14, in the present embodiment, the piezoelectric ceramic motor includes a piezoelectric ceramic 4131, an elastic body 4132, and a wear-resistant material layer 4133, a high frequency power source is added to the piezoelectric ceramic 4131, ultrasonic vibration of several tens of millions of hertz is generated by using a reverse piezoelectric effect, the piezoelectric ceramic may be BaTiO3, PZT, or other materials, the elastic body 4132 is a material (such as a copper sheet) capable of deforming, and is attached to the surface of the piezoelectric ceramic 4131 to increase the deformation amount, and whether the piezoelectric ceramic is used or not can be selected according to actual requirements, the wear-resistant material layer 4133 is adhered to the surface of the turntable 420, and will be in frictional contact with the elastic body 4132 during movement to provide a movement force, and the wear-resistant material layer.

The piezoelectric ceramic 4131 is a piezoelectric material, and is a material in which electric energy and mechanical energy are mutually converted, that is, applying a mechanical stress to the piezoelectric material will generate an electric field on the surface of the material, and this phenomenon is called as a positive effect of the piezoelectric material; conversely, when an electric field is applied to the piezoelectric material, the piezoelectric material also generates mechanical deformation, which is called the inverse effect of the piezoelectric material.

In the present embodiment, the piezoelectric effect of piezoelectric ceramic 4131 is utilized, and an electric field in the same direction as the polarization direction is applied to piezoelectric ceramic 4131, so that the polarization strength increases, and piezoelectric ceramic 4131 is elongated and deformed, whereas it is shortened.

The ring of piezoceramic 4131 may be polarized A, B in two phase regions, with the region of λ/4 between the two phases unpolarized to act as a sensor for controlling the power supply feedback signal and the region of 3 λ/4 wavelength acting as a common region. The annular piezoelectric ceramics 4131 with opposite polarization directions are adhered to the elastic body 4132, when an electric signal is applied to the piezoelectric ceramics 4131 from the outside, the piezoelectric ceramics 4131 can alternately expand and contract and deform (the amplitude is about 2-5 micrometers each time, the piezoelectric ceramics 4131 can expand and contract seven W-10W times per second, the displacement per second can reach several centimeters, and the product requirements are met), the elastic body 4132 forms a traveling wave rotating along the circumferential direction of a circular ring under the condition of certain frequency and voltage, so that any point on the surface of the elastic body 4132 can vibrate according to the ultrasonic wave of an elliptical track, the vibration enables the wear-resistant material layer 4133 to rotate through the friction action between the elastic body 4132 and the wear-resistant material layer 4133, the turntable 420 is adhered and fixed on the wear-resistant material layer 4133, and the turntable 420 and the wear-resistant material layer 4133.

In another embodiment of the present invention, the driving unit 410 includes a motor, the motor is disposed in the apparatus main body 100, the motor is connected to the rotating disc 420, the motor drives the rotating disc 420 to rotate, and the rotating disc 420 rotates to drive at least one of the first end and the second end to move, so that the distance between the first end and the second end is changed, and the flexible display 300 is switched between the extended state and the retracted state.

Of course, the driving unit 410 may be driven by other forms such as a hydraulic cylinder, and the invention is not limited thereto.

In the embodiment of the present invention, the electronic device further includes a retraction mechanism 500, the retraction mechanism 500 is connected to the scroll 200, the retraction mechanism 500 drives the scroll 200 to rotate, and the flexible display screen 300 is wound around the scroll 200 under the action of the retraction mechanism 500. The flexible display screen 300 is wound around the reel 200 by the retraction mechanism 500. When the user needs to switch to the retracted state, the rotation disc 420 rotates to reduce the distance between the first end and the second end of the flexible display screen 300, and the retraction mechanism 500 drives the roller 200 to rotate, so that at least a portion of the flexible display screen 300 is wound around the roller 200. The use of the retraction mechanism 500 in the embodiment of the present invention enables the roll shaft 200 to wind the loose flexible display screen 300 on the roll shaft 200, thereby preventing the flexible display screen 300 from being wrinkled when the distance between the first end and the second end thereof becomes small.

Of course, when the user needs to switch to the unfolded state, the rotation of the turntable 420 will drive the distance between the first end and the second end of the flexible display screen 300 to increase, and at the same time, the retraction mechanism 500 may not work, or the retraction mechanism 500 may also drive the roller 200 to rotate, thereby assisting the separation of the portion of the flexible display screen 300 wound on the roller 200 from the roller 200.

The retraction mechanism 500 is described below:

in one embodiment of the present invention, the retraction mechanism 500 includes a coil spring 510, one end of the coil spring 510 is connected to the spool 200 and can rotate around the axis of the spool 200 along with the rotation of the spool 200, and the other end of the coil spring 510 is fixed relative to the axis. Specifically, the coil spring 510 may be disposed on the first body portion 110 and/or the second body portion 120 where the spool 200 is located, one end of the coil spring 510 is connected to the spool 200 and can rotate around the axis of the spool 200 along with the rotation of the spool 200, and the other end of the coil spring 510 is fixed with respect to the body portion where the spool 200 is located.

In this embodiment, the winding shaft 200 may be hollow, a circular shaft 520 is disposed in the winding shaft 200, the circular shaft 520 is fixedly connected to the main body portion of the winding shaft 200, one end of the coil spring 510 is connected to the winding shaft 200 and can rotate around the axis of the winding shaft 200 along with the rotation of the winding shaft 200, and the other end of the coil spring 510 is fixedly connected to the circular shaft 520.

When the turntable 420 acts on the first end or the second end of the flexible display screen 300 to increase the distance between the first end and the second end of the flexible display screen 300, the coil spring 510 deforms; when the distance between the first end and the second end of the flexible display 300 becomes smaller, the coil spring 510 recovers its shape, thereby driving the scroll shaft 200 to rotate to wind the flexible display 300 around the scroll shaft 200, and preventing the flexible display 300 from being wrinkled. By adopting the coil spring 510, no extra driving force is needed, and the flexible display screen 300 can be wound on the scroll 200 by the self restoring force of the coil spring 510, so that the flexible display screen has the characteristics of energy conservation, environmental protection and small occupied space.

In another embodiment of the present invention, the retraction mechanism 500 comprises a piezo-ceramic motor 413, the piezo-ceramic motor 413 is connected to one end of the reel 200, and the reel 200 is driven to rotate by the piezo-ceramic motor 413; when the distance between the first end and the second end of the flexible display 300 is smaller, the piezo ceramic motor 413 is powered on to rotate the scroll 200, so as to drive the scroll 200 to rotate and wind the flexible display 300 on the scroll 200, and of course, when the distance between the first end and the second end of the flexible display 300 is larger, the piezo ceramic motor 413 may be powered in a reverse direction to rotate the scroll 200 in a reverse direction, so as to assist the separation of the portion of the flexible display 300 wound on the scroll 200 from the scroll 200. Because piezoceramics motor 413 has characteristics small, longe-lived and stability is good, the noise is little, adopts piezoceramics motor 413 drive spool 200 to rotate in this embodiment, not only can save space, makes electronic equipment's size littleer, can make the removal of flexible display screen 300 more stable moreover, extension electronic equipment's life.

In yet another embodiment of the present invention, the retraction mechanism 500 includes a motor coupled to one end of the spool 200, which drives the spool 200 to rotate. When the distance between the first end and the second end of the flexible display screen 300 becomes smaller, the motor is powered on to rotate the scroll shaft 200, so as to drive the scroll shaft 200 to rotate to wind the flexible display screen 300 on the scroll shaft 200, and of course, when the distance between the first end and the second end of the flexible display screen 300 becomes larger, the motor can also drive the scroll shaft 200 to rotate reversely, so as to assist the separation of the part of the flexible display screen 300 wound on the scroll shaft 200 from the scroll shaft 200.

Of course, the retraction mechanism 500 may also include other types of drives such as a hydraulic cylinder, and the invention is not limited thereto.

In an embodiment of the present invention, the device main body 100 includes a first main body portion 110 and a second main body portion 120, the first main body portion 110 and the second main body portion 120 are disposed opposite to each other, a first end of the flexible display screen 300 is connected to the first main body portion 110, and a second end of the flexible display screen 300 is connected to the second main body portion 120.

In this embodiment, the turntable 420 may drive the first end of the flexible display screen 300 to move through the first main body 110, the reel 200 may be disposed on the first main body 110, since the reel 200 can rotate relative to the device main body 100, the reel 200 can also rotate relative to the first main body 110, the turntable 420 drives the first main body 110 to move, and the first main body 110 drives the first end of the flexible display screen 300 to move, so that the distance between the first end and the second end of the flexible display screen 300 changes. The scroll 200 may also be disposed on the second main body 120, because the scroll 200 can rotate relative to the device main body 100, the scroll 200 can also rotate relative to the second main body 120, the turntable 420 drives the first main body 110 to move, and the first main body 110 drives the first end of the flexible display 300 to move, so that the distance between the first end and the second end of the flexible display 300 changes.

In this embodiment, the turntable 420 may also drive the second end of the flexible display screen 300 to move through the second main body portion 120, the reel 200 may be disposed on the second main body portion 120, the reel 200 may rotate relative to the second main body portion 120, the turntable 420 drives the second main body portion 120 to move, and the second main body portion 120 drives the second end of the flexible display screen 300 to move, so that the distance between the first end and the second end of the flexible display screen 300 changes. The scroll 200 may also be disposed on the first main body 110, the scroll 200 can rotate relative to the first main body 110, the turntable 420 drives the first main body 110 to move, and the first main body 110 drives the first end of the flexible display 300 to move, so that the distance between the first end and the second end of the flexible display 300 changes.

The flexible display 300 may be extended by the length of the preset distance in a case where one of the first and

second body parts

110 and 120 is driven by the turntable 420 and the other is fixed. In the case where the first and second

main body parts

110 and 120 are simultaneously driven by the turntable 420, the flexible display 300 may be extended by a length twice the preset distance.

It should be noted that in the embodiment of the present application, a telescopic structure with a variable size may be disposed between the first main body portion 110 and the second main body portion 120, and the size of the telescopic structure may be changed with the distance between the first main body portion 110 and the second main body portion 120.

In an embodiment of the present invention, the number of the winding shaft 200 may be one, the winding shaft 200 is rotatably disposed on the first main body 110, a first end of the winding shaft is connected to the winding shaft 200, the first end of the winding shaft can be wound around the winding shaft 200, and a second end of the winding shaft is fixedly connected to the second main body 120. The turntable 420 can drive the first main body part 110 to move, the first main body part 110 can drive the first end of the flexible display screen 300 to move, the distance between the first end and the second end of the flexible display screen 300 can be changed, the turntable 420 can also drive the second main body part 120 to move, the second main body part 120 can drive the second end of the flexible display screen 300 to move, the distance between the first end and the second end of the flexible display screen 300 can be changed, the turntable 420 can also drive the first main body part 110 and the second main body part 120 to move simultaneously, the first main body part 110 can drive the first end of the flexible display screen 300 to move, the second main body part 120 can drive the second end of the flexible display screen 300 to move, and the distance between the first end and the second end of the flexible display screen 300 can be changed.

In an embodiment of the present invention, the number of the reels 200 may be at least two, including a first reel 210 and a second reel 220, the first reel 210 is rotatably disposed on the first main body 110, a first end of the first reel is connected to the first reel 210 and can be wound around the first reel 210, the second reel 220 is rotatably disposed on the second main body 120, a second end of the second reel is connected to the second reel 220 and can be wound around the second reel 220, the turntable 420 can simultaneously drive the first main body 110 and the second main body 120 to move, the first main body 110 drives the first end of the flexible display 300 to move, the second main body 120 drives the second end of the flexible display 300 to move, and a distance between the first end and the second end of the flexible display 300 changes.

Specifically, the swivel plate 420 includes a first connection portion 4221 and a second connection portion 4222, the first connection portion 4221 is connected to the first body portion 110 through a first link 431, the second connection portion 4222 is connected to the second body portion 120 through a second link 432, and more specifically, one end of the first link 431 is hinged to the first body portion 110, the other end of the first link 431 is hinged to the first connection portion 4221, one end of the second link 432 is hinged to the second body portion 120, and the other end of the second link 432 is hinged to the second connection portion 4222. The first body part 110 is provided with a first bracket 111, one end of a first link 431 is hinged with the first bracket 111, the second body part 120 is provided with a second bracket 121, and one end of a second link 432 is hinged with the second bracket 121.

Wherein, the rotation of the rotary plate 420 drives the first connection portion 4221 and the second connection portion 4222 to rotate, drives one end of the connecting rod 430 hinged with the first connection portion 4221 and the second connection portion 4222 to rotate, thereby driving one end of the link 430, which is connected with the first body portion 110 and the second body portion 120, thereby driving the first body portion 110 and the second body portion 120 to move to be relatively close to or relatively far away from each other, the first body portion 110 and the second body portion 120 move to push the first scroll 210 and the second scroll 220 therein to move, the flexible display screen 300 wound on the first scroll 210 and the second scroll 220 is separated from the scroll 200, thereby moving the first and second ends of the flexible display 300 to be relatively close to or relatively far away from each other, when the first and

second reels

210 and 220 are relatively close to each other, under the action of the retraction mechanism 500, the flexible display screen 300 is wound on the first reel 210 and the second reel 220.

The electronic device of the present invention may be an electronic device such as a smart phone, a tablet computer, an electronic book reader, a wearable smart device (e.g., a smart watch), an electronic game machine, etc., and the present invention does not specifically limit the kind of the electronic device.

As shown in fig. 1-2, the electronic device may be a wearable smart device (e.g., a smart watch) that may be worn via a watchband 600. The flexible display screen 300 can be switched between the expansion state and the contraction state, for example, when the smart watch is not used, or when only basic functions are needed, the flexible display screen 300 is controlled to be switched to the contraction state, so that the operation is convenient, the carrying is convenient, if a user needs a large display interface, the flexible display screen 300 is controlled to be switched to the expansion state, and the experience of the vision and the operation is better.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. An electronic apparatus comprising an apparatus main body (100), a reel (200), a flexible display (300), and a drive mechanism (400),

the reel (200) is rotatably provided to the apparatus main body (100), the flexible display (300) has a first end and a second end, at least one of the first end and the second end is connected to the reel (200), the flexible display (300) is at least partially windable around the reel (200),

the driving mechanism (400) comprises a driving unit (410) and a rotating disc (420), the driving unit (410) is used for driving the rotating disc (420) to rotate, the plane in which the rotating disc (420) rotates is perpendicular to the extending direction of the reel (200), the rotating disc (420) is connected with at least one of the first end and the second end, and the rotating disc (420) is used for driving at least one of the first end and the second end to move so as to drive the flexible display screen (300) to be switched between the unfolding state and the folding state.

2. The electronic device according to claim 1, wherein the turntable (420) has a driving portion (421) and a connecting portion (422), the driving portion (421) is connected to the driving unit (410), a center of the connecting portion (422) and a center of the driving portion (421) have a predetermined distance therebetween, and the connecting portion (422) is connected to at least one of the first end and the second end.

3. The electronic device according to claim 2, wherein the number of the connection portions (422) is two, and the first connection portion (4221) and the second connection portion (4222) are provided, the center of the first connection portion (4221), the center of the driving portion (421) and the center of the second connection portion (4222) are located on the same straight line, the center of the driving portion (421) is located between the center of the first connection portion (4221) and the center of the second connection portion (4222), the first connection portion (4221) is connected to the first end, and the second connection portion (4222) is connected to the second end.

4. The electronic device of claim 2, wherein the driving mechanism (400) further comprises a link (430), the connecting portion (422) is connected to at least one of the first end and the second end through the link (430), one end of the link (430) is hinged to the connecting portion (422), and the other end of the link (430) is hinged to at least one of the first end and the second end.

5. The electronic device according to claim 4, wherein the device body (100) comprises a first body portion (110) and a second body portion (120), the first body portion (110) and the second body portion (120) are oppositely disposed, the first end is connected to the first body portion (110), the second end is connected to the second body portion (120), the link (430) drives the first end to move through the first body portion (110), and/or the link (430) drives the second end to move through the second body portion (120).

6. The electronic device of claim 5, wherein the other end of the link (430) is hinged to at least one of the first body portion (110) and the second body portion (120).

7. The electronic apparatus according to claim 1, wherein the driving unit (410) includes a knob (411) and a connecting shaft (412), the knob (411) being disposed outside the apparatus body (100) for manual rotation by a user, the knob (411) being connected to the connecting shaft (412), the connecting shaft (412) being connected to the driving portion (421);

or, the driving unit (410) comprises a piezoelectric ceramic motor (413), the piezoelectric ceramic motor (413) is arranged in the device main body (100), the piezoelectric ceramic motor (413) is connected with the turntable (420), and the piezoelectric ceramic motor (413) drives the turntable (420) to rotate;

or, the driving unit (410) comprises a motor, the motor is arranged in the device main body (100), the motor is connected with the turntable (420), and the motor drives the turntable (420) to rotate.

8. The electronic device of claim 1, further comprising a retraction mechanism (500), wherein the retraction mechanism (500) is connected to the reel (200), the retraction mechanism (500) drives the reel (200) to rotate, and the flexible display screen (300) is wound around the reel (200) under the action of the retraction mechanism (500).

9. The electronic device of claim 8, wherein the retraction mechanism (500) comprises a coil spring (510), one end of the coil spring (510) is connected to the reel (200), and the other end of the coil spring (510) is fixed relative to the axis of the reel (200) as the reel (200) rotates around the axis of the reel (200);

alternatively, the retraction mechanism (500) comprises a piezo ceramic motor connected to one end of the reel (200) where the piezo ceramic motor drives the reel (200) to rotate;

or the retraction mechanism (500) comprises a motor, the motor is connected with one end of the reel (200), and the motor drives the reel (200) to rotate.

10. The electronic device of claim 1, wherein the device body (100) comprises a first body portion (110) and a second body portion (120), the first body portion (110) and the second body portion (120) are oppositely disposed, the first end is connected to the first body portion (110), the second end is connected to the second body portion (120), the first end is driven by the first body portion (110) to move by the turntable (410), and/or the second end is driven by the second body portion (120) to move by the turntable (420).

11. The electronic device of claim 10, wherein the number of the reels (200) is one, the reels (200) are rotatably disposed on the first body portion (110), the first end of the reels (200) is connected and can be wound around the reels (200), and the second end of the reels is fixedly connected to the second body portion (120).

12. The electronic device of claim 11, wherein the number of the reels (200) is at least two, and comprises a first reel (210) and a second reel (220), the first reel (210) is rotatably disposed on the first body portion (110), the first end is connected to the first reel (210) and can be wound around the first reel (210), the second reel (220) is rotatably disposed on the second body portion (120), the second end is connected to the second reel (220), and the second end can be wound around the second reel (220).

13. The electronic device of claim 11 or 12, wherein the dial (420) is connected to both the first body portion (110) and the second body portion (120), the dial (420) driving the first body portion (110) and the second body portion (120) relatively away or relatively close.