WO2022017331A1

WO2022017331A1 - Electronic device

Info

Publication number: WO2022017331A1
Application number: PCT/CN2021/107162
Authority: WO
Inventors: 赵晓峰
Original assignee: 维沃移动通信有限公司
Priority date: 2020-07-21
Filing date: 2021-07-19
Publication date: 2022-01-27
Also published as: CN111862813A

Abstract

A foldable electronic device, comprising a flexible screen (400), a first housing (100), a second housing (200), a folding component, and a driving mechanism. The flexible screen (400) comprises a first display portion (401), a second display portion (402), and a first bending portion (403). The first display portion (401) is mounted on the first housing (100). The display portion (401) comprises a second bending portion (4011) and a mounting portion (4012). The mounting portion (4012) is mounted on the first housing (100) by means of a sliding structure. The first housing (100) is provided with an accommodating slot (101). The second bending portion (4011) can be bent to deform and is at least partially located in the accommodating slot (101). The second display portion (402) is mounted on the second housing (200). The first housing (100) and the second housing (200) are connected by the folding component. The driving mechanism comprises a driving motor (501). An output shaft of the driving motor (501) is in transmission connection with the mounting portion (4012), and the mounting portion (4012) can be driven by the motor (501) to slide between a first position and a second position.

Description

Electronic equipment

cross reference

The present invention claims the priority of a Chinese patent application with an application number of 202010714457.4 and an invention title of "electronic device" filed with the China Patent Office on July 21, 2020, the entire contents of which are incorporated herein by reference.

technical field

The present application belongs to the technical field of communication devices, and in particular relates to an electronic device.

Background technique

With the continuous development of electronic devices, users' requirements for large-screen electronic devices are becoming more and more urgent. However, the large screen leads to the larger size of electronic devices, which affects the portability of electronic devices. Therefore, foldable electronic devices have become electronic devices. An important development trend in equipment. The foldable electronic device can obtain a larger display screen in the unfolded state, and can ensure the portability of the electronic device in the folded state. In addition, with the breakthrough and development of flexible screen technology, it has become a development direction to mount a flexible screen on a foldable electronic device, so that the foldable electronic device can maintain the continuity of the screen in the unfolded state, and the flexible screen also has a thin thickness, Low power consumption, light weight and other advantages.

In the related art, a foldable electronic device usually has an inward folding type and an outward folding type, wherein the screen of the outward folding foldable electronic device is easily damaged by bumping, while the inner folding foldable electronic device is in the process of bending the flexible screen. It will be lengthy and long, causing problems such as screen wrinkling, delamination, stress concentration, etc., which will affect the user experience.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present application is to provide an electronic device that can solve the problems of screen wrinkling, delamination, and stress concentration caused by redundant lengths during the bending process of the flexible screen.

In order to solve the above technical problems, this application is implemented as follows:

The embodiment of the present application provides an electronic device, including:

a flexible screen, comprising a first display part, a second display part, and a first bending part located between the first display part and the second display part;

a first casing, the first display part is mounted on the first casing, the first display part includes a second bending part away from the first bending part and an installation part, the installation part is located at Between the first bending part and the second bending part, the mounting part is installed on the first casing through a sliding structure, and the first casing has a corresponding part corresponding to the second bending part. Arranged accommodating grooves;

a second casing, the second display part is mounted on the second casing;

a folding assembly through which the first casing and the second casing are connected;

The drive mechanism includes a drive motor, the drive motor is arranged in the first housing, the output shaft of the drive motor is drivingly connected with the mounting portion, and the mounting portion can be driven by the drive motor in the first housing. sliding between a first position and a second position, the distance between the first position and the accommodating groove is greater than the distance between the second position and the accommodating groove;

Wherein, when the flexible screen is in an unfolded state, the mounting portion is located at the first position, and the first display portion, the second display portion and the first bending portion are coplanar;

When the flexible screen is in a folded state, the mounting portion is located at the second position, the flexible screen is located between the first casing and the second casing, and the second bending At least part of the portion is located in the receiving groove.

In the electronic device disclosed in the embodiments of the present application, the first casing and the second casing can be switched between the unfolded state and the folded state, so that the electronic device has a larger display screen in the unfolded state, and a larger display screen in the folded state. It is convenient for users to carry, and an accommodating groove is provided in the first casing. After the flexible screen is bent, the mounting part slides from the first position to the second position, and the second bending part is bent and deformed and is at least partially located in the accommodating groove. , so that the redundant part of the flexible screen after bending is accommodated in the accommodating groove, avoiding or reducing the problems of wrinkles, delamination and stress concentration during the bending process of the flexible screen, prolonging the service life of the flexible screen and improving the use of users. experience.

Description of drawings

1 and 2 are schematic diagrams of the electronic equipment disclosed in the embodiments of the present application;

3 is a schematic diagram of the electronic device shown in FIG. 1 after removing the flexible screen, the first casing and the second casing;

Fig. 4 is a partial enlarged schematic view of the upper part of the rotating shaft part of the part of the electronic device shown in Fig. 3;

5 is a cross-sectional view of the electronic device shown in FIG. 1 along section line A-A;

6 is a cross-sectional view of the electronic device shown in FIG. 2 along section line B-B;

7 is a cross-sectional view of the electronic device shown in FIG. 2 along section line C-C;

FIG. 8 is a partially enlarged schematic view of the driving mechanism part of the cross-sectional view of the electronic device shown in FIG. 7 along section line C-C;

9 is a partial enlarged schematic view of the right end of the cross-sectional view of the electronic device shown in FIG. 7 along section line C-C;

Fig. 10 is a schematic diagram of a first rotating arm of the electronic device shown in Fig. 1;

11 is a schematic diagram of a flexible screen, a first support plate, a second support plate and a driving mechanism of the electronic device shown in FIG. 1;

12 is a cross-sectional view of a portion of the electronic device shown in FIG. 3 along section line D-D.

100-first casing, 101-accommodating groove, 200-second casing, 300-decoration cover, 400-flexible screen, 401-first display part, 4011-second bending part, 4012-installation part, 402-second display part, 403-first bending part, 501-drive motor, 502-transmission gear, 503-transmission rack, 601-first gear, 602-second gear, 603-first transmission gear, 604-second transmission gear, 605-damping device, 6051-first damping pressure block, 6052-second damping pressure block, 606-transmission shaft, 700-rotating shaft bracket, 701-first rotating shaft, 702-second rotating shaft, 801-first support plate, 8011-first sliding mounting part, 8012-second sliding mounting part, 8013-supporting part, 802-second support plate, 901-first rotating arm, 9011-first waist-shaped hole, 902 - the second turning arm, 903 - the third turning arm, 904 - the fourth turning arm.

detailed description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The terms "first", "second" and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It is to be understood that data so used may be interchanged under appropriate circumstances so that embodiments of the application can be practiced in sequences other than those illustrated or described herein. In addition, "and/or" in the description and claims indicates at least one of the connected objects, and the character "/" generally indicates that the associated objects are in an "or" relationship.

The electronic device provided by the embodiments of the present application will be described in detail below through specific embodiments and application scenarios with reference to the accompanying drawings.

The embodiment of the present application discloses an electronic device. Referring to FIGS. 1 to 7 , the electronic device includes a flexible screen 400 , a first casing 100 , a second casing 200 , a folding assembly, and a driving mechanism. The first casing 100 and the second casing 200 constitute a casing of the electronic device, which is used to carry the flexible screen 400 and protect the internal components of the electronic device.

The first case 100 and the second case 200 are connected by a folding assembly so that the first case 100 and the second case 200 are switched between a folded state and an unfolded state. Therefore, the electronic device has a larger display screen in the unfolded state, and is convenient for the user to carry in the folded state.

The flexible screen 400 includes a first display part 401 , a second display part 402 and a first bending part 403 located between the first display part 401 and the second display part 402 , and the first bending part 403 is in the first casing 100 and the second housing 200 are bent when they are in a folded state.

The first display part 401 is mounted on the first casing 100 , and the first display part 401 includes a second bending part 4011 away from the first bending part 403 and a mounting part 4012 , and the mounting part 4012 is located between the first bending part 403 and the first bending part 403 . Between the two bending parts 4011, the mounting part 4012 is installed on the first casing 100 through a sliding structure, and the first casing 100 has a receiving groove 101 corresponding to the second bending part 4011, and the second bending part 4011 is in The first case 100 and the second case 200 are bent when they are in a folded state.

The second display portion 402 is mounted on the second casing 200 . Wherein, the second display part 402 can be slidable relative to the second casing 200 according to the actual situation. In the embodiment of the present application, the second display part 402 is fixedly installed on the second casing 402 to simplify the structure of the electronic device .

The driving mechanism includes a driving motor 501 , the driving motor 501 is arranged in the first housing 100 , and the output shaft of the driving motor 501 is drivingly connected with the mounting portion 4012 , and the mounting portion 4012 can be driven by the driving motor 501 in the first position and the second position. When sliding between positions, the distance between the first position and the accommodating groove 101 is greater than the distance between the second position and the accommodating groove 101 .

When the flexible screen 400 is in the unfolded state, the mounting part 4012 is located at the first position, and the first display part 401 , the second display part 402 and the first bending part 403 are coplanar; when the flexible screen 400 is in the folded state , the mounting part 4012 is located at the second position, the flexible screen 400 is located between the first casing 100 and the second casing 200 , and at least part of the second bending part 4011 is located in the accommodating groove 101 .

The above-mentioned electronic device is provided with a receiving groove 101 in the first housing 100. After the flexible screen 400 is bent, the mounting portion 4012 slides from the first position to the second position, and the second bending portion 4011 is bent and deformed and is at least partially located in the receiving groove 101. In the groove 101, so that the redundant part of the flexible screen 400 after bending is accommodated in the accommodating groove 101, avoiding or reducing the problems of wrinkles, delamination and stress concentration of the flexible screen 400 during the bending process, and extending the flexible screen 400 service life and improve user experience.

5 and 6 , when the flexible screen 400 is switched from the unfolded state to the folded state, the drive motor 501 drives the mounting portion 4012 to slide from the first position to the second position, so that the redundant part of the second bending portion 4011 slides to accommodate In the groove 101, the first bending portion 403 is bent into a U-shaped structure; when the flexible screen 400 is switched from the folded state to the unfolded state, the mounting portion 4012 slides from the second position under the pulling force of the first bending portion 403 To the first position, the part of the second bent portion 4011 accommodated in the accommodating groove 101 is pulled out. Wherein, when necessary, the driving motor 501 can also be used to assist the flexible screen 400 when unfolding, so as to make the unfolding of the flexible screen 400 smoother.

Optionally, the edge position of the second bending portion 4011 is always located in the accommodating groove 101 , so that the second bending portion 4011 can enter the accommodating groove 101 more smoothly. Optionally, a guide structure is provided at the entrance of the accommodating groove 101 to guide the second bending portion 4011 to enter the accommodating groove 101 smoothly. noodle.

The first display part 401 and the second display part 402 may be mounted on the corresponding housings in any suitable manner. Optionally, the electronic device includes a first support plate 801 and a second support plate 802, the mounting portion 4012 is fixedly mounted on the first support plate 801, the first support plate 801 is mounted on the first housing 100 through a sliding structure, and the second display The portion 402 is fixedly mounted on the second support plate 802 , and the second support plate 802 is fixedly mounted on the second casing 200 . The first support plate 801 and the second support plate 802 can improve the strength, stability and reliability of the first display part 401 and the second display part 402, improve the user experience, and facilitate the first display part 401 and the second display part 401. Part 402 is installed.

The drive motor 501 can drive the mounting portion 4012 in any suitable manner, for example, a lead screw nut transmission mechanism is provided between the output shaft of the drive motor 501 and the mounting portion 4012 . Optionally, the driving mechanism includes a transmission gear 502 and a transmission rack 503, the transmission gear 502 is mounted on the output shaft of the drive motor 501, the transmission rack 503 is mounted on the first support plate 801, and the transmission gear 502 is engaged with the transmission rack 503, The drive motor 501 drives the transmission gear 502 to rotate, thereby driving the transmission rack 503 to move. The rack and pinion transmission mechanism has low cost, long service life, stable operation and high reliability. The driving motor 501 may be fixedly mounted on the first housing 100 by any suitable method, for example, bonding, welding, screwing, and the like. The transmission rack 503 can also be fixed to the first support plate 801 by any suitable means, for example, bonding, welding, screw connection, and the like.

The specific structure of the sliding structure can be appropriately designed according to the needs of use. For example, the sliding structure includes a sliding block provided in the middle of the first support plate 801 and a sliding rail provided in the interior of the first housing 100. The sliding rail is arranged along the mounting portion. The sliding direction of the 4012 extends, and the sliding block is slidably installed on the sliding rail. In the embodiment of the present application, the sliding structure includes a first sliding mounting portion 8011 , a second sliding mounting portion 8012 , a first sliding groove and a second sliding groove, and the first sliding groove and the second sliding groove are along the sliding direction of the mounting portion 4012 Extending, the first sliding slot and the second sliding slot are arranged at opposite ends of the first housing 100, the first sliding mounting portion 8011 and the second sliding mounting portion 8012 are arranged on the first support plate 801, and the first sliding mounting portion The 8011 is slidably mounted on the first chute, and the second sliding mounting portion 8012 is slidably mounted on the second chute. The opposite ends of the first support plate 801 are respectively provided with a first sliding mounting portion 8011 and a second sliding mounting portion 8012 to improve the stability and reliability of the first support plate 801 and make the sliding of the mounting portion 4012 more stable and smooth.

The specific structures and positions of the first sliding mounting portion 8011 and the second sliding mounting portion 8012 can be appropriately designed according to actual needs. Optionally, the first sliding mounting portion 8011 and the second sliding mounting portion 8012 are located on the side of the first support plate 801 away from the mounting portion 4012 to prevent the first sliding mounting portion 8011 and the second sliding mounting portion 8012 from affecting the appearance of the electronic device. Or interfere with the assembly of the mounting portion 4012 .

Referring to FIG. 9 and FIG. 11 , in the embodiment of the present application, the first support plate 801 includes a first sliding mounting portion 8011 , a second sliding mounting portion 8012 and is located between the first sliding mounting portion 8011 and the second sliding mounting portion 8012 The supporting portion 8013 of the first sliding mounting portion 8011 and the second sliding mounting portion 8012 are formed by bending the edges on both sides of the first supporting plate 801 , and the mounting portion 4012 is mounted on the supporting portion 8013 . In addition, along the extending direction of the first rotating shaft 701 , the first chute and the second chute are disposed opposite to both ends of the first housing.

Optionally, referring to FIGS. 3 to 6 , the folding assembly includes a rotating shaft portion, and the rotating shaft portion includes a rotating shaft support 700 , a first rotating shaft 701 and a second rotating shaft 702 , and the first rotating shaft 701 and the second rotating shaft 702 can be rotatably mounted on the rotating shaft support. 700, the first casing 100 is mounted on the first rotating shaft 701 and can rotate synchronously with the first rotating shaft 701, the second casing 200 is mounted on the second rotating shaft 702 and can rotate synchronously with the second rotating shaft 702, the first rotating shaft 701 A first gear 601 is fixedly arranged thereon, a second gear 602 is fixedly arranged on the second rotating shaft 702, and the first gear 601 and the second gear 602 are drive-connected, so that the first housing 100 and the second housing 200 can The gear ratios of the gear 601 and the second gear 602 are simultaneously folded according to a predetermined ratio, so that the folding of the first casing 100 and the second casing 200 is smoother, and the folding experience of the user is improved. Further, the first gear 601 and the second gear 602 rotate synchronously. The first casing 100 and the second casing 200 are folded synchronously, which further improves the user's folding experience. The first gear 601 can be fixedly installed on the first rotating shaft 701 or integrally formed with the first rotating shaft 701 , and the second gear 602 can be fixedly installed on the second rotating shaft 702 or integrally formed with the second rotating shaft 702 .

Optionally, referring to FIGS. 3 to 6 , a first transmission gear 603 and a second transmission gear 604 are disposed between the first gear 601 and the second gear 602 to reduce the size of each gear, thereby reducing the size of the folding assembly , to improve the portability of electronic devices. Further, the first gear 601 , the second gear 602 , the first transmission gear 603 and the second transmission gear 604 are bevel gears, the rotating shaft portion includes a transmission shaft 606 , the transmission shaft 606 is rotatably mounted on the rotating shaft bracket 700 , and the first transmission Both the gear 603 and the second transmission gear 604 are fixedly mounted on the transmission shaft 606 , the first transmission gear 603 meshes with the first gear 601 , and the second transmission gear 604 meshes with the second gear 602 . Compared with ordinary cylindrical gears, bevel gears have the advantages of smooth operation, low noise and large torque, and the application of bevel gears in folding components can also reduce the size of the gear transmission mechanism, thereby reducing the volume of folding components. , making electronic devices thinner and lighter.

The size and arrangement of the first rotating shaft 701 and the second rotating shaft 702 can be appropriately selected according to actual needs. For example, the first rotating shaft 701 and the second rotating shaft 702 are rotating shafts extending along the length direction of the electronic device. The second rotating shaft 702 extends from one end of the electronic device to the other end. Optionally, please refer to FIG. 3 and FIG. 4 , along the length direction of the electronic device, the rotating shaft portion includes a first rotating shaft portion disposed at one end of the electronic device and a second rotating shaft portion disposed at the other end of the electronic device, wherein , the first rotating shaft portion includes a first rotating shaft 701 and a second rotating shaft 702, and the second rotating shaft portion includes a first rotating shaft 701 and a second rotating shaft 702, thereby reducing the weight of the rotating shaft portion and contributing to the lightweight design of electronic equipment.

Optionally, referring to FIGS. 3 , 4 and 12 , the rotating shaft portion includes a damping device 605 , and the damping device 605 can apply rotational resistance to at least one of the first rotating shaft 701 and the second rotating shaft 702 . During the folding process of the first case 100 and the second case 200, the first case 100 and the second case 200 can be kept in any intermediate state according to the usage requirements, for example, the first case 100 and the second case 200 The angle between the housings 200 is 90 degrees.

The specific structure of the damping device 605 can be appropriately selected according to actual needs, and since the first rotating shaft 701 and the second rotating shaft 702 are connected through a gear transmission mechanism, the damping device 605 only applies rotational resistance to one of the rotating shafts to prevent the two rotating shafts at the same time. rotation of a shaft.

Optionally, the damping device 605 includes a first damping pressure block 6051 and a second damping pressure block 6052 arranged oppositely, wherein the first damping pressure block 6051 and the second damping pressure block 6052 enclose the first shaft hole and the second damping pressure block. Rotating shaft hole, the first rotating shaft 701 extends through the first rotating shaft hole, the circumferential inner wall of the first rotating shaft hole is pressed against the circumferential outer wall of the first rotating shaft 701 to apply rotational resistance to the first rotating shaft 701, and the second rotating shaft 702 extends through the hole. Passing through the second shaft hole, the circumferential inner wall of the second shaft hole presses against the circumferential outer wall of the second shaft 702 to apply rotational resistance to the second shaft 702 . The damping device 605 has a simple structure and applies rotational resistance to the first rotating shaft 701 and the second rotating shaft 702 at the same time, so that the first casing 100 and the second casing 200 can be more stably maintained in an intermediate state during the folding process.

Optionally, along the extending direction of the first rotating shaft 701, a first rotating arm 901 and a second rotating arm 902 are respectively disposed at both ends of the first housing 100, and the first rotating arm 901 and the second rotating arm 902 are connected with the first rotating arm 901 and the second rotating arm 902. A rotating shaft 701 rotates synchronously, and a third rotating arm 903 and a fourth rotating arm 904 are respectively provided at both ends of the second housing 200. The third rotating arm 903 and the fourth rotating arm 904 rotate synchronously with the second rotating shaft 702. A casing 100 is fixedly installed on the first rotating arm 901 and the second rotating arm 902, and the second casing 200 is fixedly installed on the third rotating arm 903 and the fourth rotating arm 904, so as to facilitate the first casing 100 and the second casing 200 installations. The first housing 100 can be fixedly mounted on the first rotating arm 901 and the second rotating arm 902 by any suitable method, such as bonding, welding, screwing, and the like. Similarly, the second housing 200 can be fixedly mounted on the third rotating arm 903 and the fourth rotating arm 904 by any suitable means, such as bonding, welding, screwing, and the like.

The first rotating arm 901 and the second rotating arm 902 can be mounted on the first rotating shaft 701 in any suitable manner, for example, the first rotating arm 901 and the second rotating arm 902 are welded to the first rotating shaft 701 . The third rotating arm 903 and the fourth rotating arm 904 can be mounted on the second rotating shaft 702 in any suitable manner, for example, the third rotating arm 903 and the fourth rotating arm 904 are welded to the second rotating shaft 702 . Optionally, referring to FIG. 3 and FIG. 10 , one end of the first rotating arm 901 has a first waist-shaped hole 9011 , the first rotating arm 901 is mounted on the first rotating shaft 701 through the first waist-shaped hole 9011 , and the second rotating arm 902 One end has a second waist-shaped hole (not shown in the figure), the second rotating arm 902 is mounted on the first rotating shaft 701 through the second waist-shaped hole, and one end of the third rotating arm 903 has a third waist-shaped hole (in the figure) (not shown), the third rotating arm 903 is mounted on the second rotating shaft 702 through a third waist-shaped hole, one end of the fourth rotating arm 904 has a fourth waist-shaped hole (not shown in the figure), and the fourth rotating arm 904 passes through The fourth waist-shaped hole is mounted on the second rotating shaft 702 to facilitate the installation and removal of the first rotating arm 901 , the second rotating arm 902 , the third rotating arm 903 and the fourth rotating arm 904 .

Optionally, the folding assembly has a plane of symmetry, in the unfolded state, the plane of symmetry is perpendicular to the flexible screen 400, the folding assembly is symmetrical with respect to the plane of symmetry, the first casing 100 and the second casing 200 are folded synchronously, and the first casing 100 The force is balanced with the second casing 200, so that the folding is smoother and the user experience is improved.

Optionally, the electronic device includes a decorative cover 300 , the decorative cover 300 covers the part of the folding assembly exposed to the outside of the first casing 100 and the second casing 200 , the decorative cover 300 has a protective effect on the folding assembly, and enables the electronic device The appearance is more refined and beautiful.

The specific structure of the decorative cover 300 can be appropriately designed according to actual needs. Referring to FIGS. 3 , 4 and 5 , in the embodiment of the present application, the decorative cover 300 includes a base plate extending along the extending direction of the first rotating shaft 701 , and a first end plate and a first end plate and a first end plate and a second end plate that are bent and extended at both ends of the base plate. Two end plates, along the extension direction of the first rotating shaft 701 , the folding assembly is located between the first end plate and the second end plate, the base plate covers the side of the folding assembly away from the flexible screen 400 , in addition, the base plate extends along the first rotating shaft 701 The two side edges extending in the direction are also formed with flanging structures to cover the parts of the folding assembly exposed to the outside of the first casing 100 and the second casing 200 in the folded state.

The electronic devices in the embodiments of the present application may be mobile phones, tablet computers, notebook computers, handheld computers, vehicle-mounted electronic devices, wearable devices (such as smart watches), etc. Of course, the embodiments of the present application do not limit the specific types of electronic devices. In addition, it should be noted that although the electronic device in the embodiment of the present application is folded only once, the electronic device can also be folded twice, three times, or even more times.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The embodiments of the present application have been described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of this application, without departing from the scope of protection of the purpose of this application and the claims, many forms can be made, which all fall within the protection of this application.

Claims

An electronic device comprising:

a flexible screen, comprising a first display part, a second display part, and a first bending part located between the first display part and the second display part;

a first casing, the first display part is mounted on the first casing, the first display part includes a second bending part away from the first bending part and an installation part, the installation part is located at Between the first bending part and the second bending part, the mounting part is installed on the first casing through a sliding structure, and the first casing has a corresponding part corresponding to the second bending part. Arranged accommodating grooves;

a second casing, the second display part is mounted on the second casing;

a folding assembly through which the first casing and the second casing are connected;

The drive mechanism includes a drive motor, the drive motor is arranged in the first housing, the output shaft of the drive motor is drivingly connected with the mounting portion, and the mounting portion can be driven by the drive motor in the first housing. sliding between a first position and a second position, the distance between the first position and the accommodating groove is greater than the distance between the second position and the accommodating groove;

Wherein, when the flexible screen is in an unfolded state, the mounting portion is located at the first position, and the first display portion, the second display portion and the first bending portion are coplanar;

When the flexible screen is in a folded state, the mounting portion is located at the second position, the flexible screen is located between the first casing and the second casing, and the second bending At least part of the portion is located in the receiving groove.
The electronic device according to claim 1, wherein the electronic device comprises a first support plate and a second support plate, the mounting portion is fixedly mounted on the first support plate, and the first support plate passes through the The sliding structure is mounted on the first casing, the second display portion is fixedly mounted on the second supporting plate, and the second supporting plate is fixedly mounted on the second casing.
The electronic device according to claim 2, wherein the driving mechanism comprises a transmission gear and a transmission rack, the transmission gear is mounted on the output shaft of the driving motor, and the transmission rack is mounted on the first support plate, and the transmission gear meshes with the transmission rack.
The electronic device according to claim 2, wherein the sliding structure comprises a first sliding mounting part, a second sliding mounting part, a first sliding groove and a second sliding groove, the first sliding groove and the second sliding groove The sliding groove extends along the sliding direction of the mounting portion, the first sliding groove and the second sliding groove are arranged at opposite ends of the first housing, and the first sliding mounting portion and the first sliding groove are arranged at opposite ends of the first housing. Two sliding installation parts are arranged on the first support plate, the first sliding installation part is slidably installed on the first chute, and the second sliding installation part is slidably installed in the second chute.
The electronic device of claim 4, wherein the first sliding mounting portion and the second sliding mounting portion are located on a side of the first support plate away from the mounting portion.
The electronic device according to any one of claims 1-5, wherein the folding assembly includes a rotating shaft portion, the rotating shaft portion includes a rotating shaft support, a first rotating shaft and a second rotating shaft, the first rotating shaft and the The second rotating shaft is rotatably mounted on the rotating shaft bracket, the first casing is mounted on the first rotating shaft and can rotate synchronously with the first rotating shaft, and the second casing is mounted on the first rotating shaft The two rotating shafts can rotate synchronously with the second rotating shaft. A first gear is fixed on the first rotating shaft, and a second gear is fixed on the second rotating shaft. The first gear and the second gear are fixed on the second rotating shaft. The gears are connected in a transmission, and the first gear and the second gear rotate synchronously.
The electronic device according to claim 6, wherein a first transmission gear and a second transmission gear are disposed between the first gear and the second gear, the first gear, the second gear, the The first transmission gear and the second transmission gear are bevel gears, the rotating shaft portion includes a transmission shaft, and the transmission shaft is rotatably mounted on the rotating shaft bracket, the first transmission gear and the second transmission gear The gears are fixedly mounted on the transmission shaft, the first transmission gear meshes with the first gear, and the second transmission gear meshes with the second gear.
The electronic device according to claim 6, wherein the rotating shaft portion includes a damping device capable of applying rotational resistance to at least one of the first rotating shaft and the second rotating shaft.
The electronic device according to claim 8, wherein the damping device comprises a first damping pressing block and a second damping pressing block arranged oppositely, wherein the first damping pressing block and the second damping pressing block surround A first rotating shaft hole and a second rotating shaft hole are formed together, the first rotating shaft extends through the first rotating shaft hole, and the circumferential inner wall of the first rotating shaft hole is pressed against the circumferential outer wall of the first rotating shaft to The rotation resistance is applied to the first rotating shaft, the second rotating shaft extends through the second rotating shaft hole, and the circumferential inner wall of the second rotating shaft hole is pressed against the circumferential outer wall of the second rotating shaft to The rotational resistance is applied to the second rotating shaft.
The electronic device according to claim 6, wherein, along the extending direction of the first rotating shaft, a first rotating arm and a second rotating arm are respectively provided at two ends of the first housing, and the first rotating arm is The arm and the second rotating arm rotate synchronously with the first rotating shaft, and a third rotating arm and a fourth rotating arm are respectively provided at both ends of the second housing. Four rotating arms rotate synchronously with the second rotating shaft, the first casing is fixedly mounted on the first rotating arm and the second rotating arm, and the second casing is fixedly mounted on the third rotating arm and the fourth pivot arm.
The electronic device according to claim 10, wherein one end of the first rotating arm has a first waist-shaped hole, and the first rotating arm is mounted on the first rotating shaft through the first waist-shaped hole, so One end of the second rotating arm has a second waist-shaped hole, the second rotating arm is mounted on the first rotating shaft through the second waist-shaped hole, and one end of the third rotating arm has a third waist-shaped hole , the third rotating arm is installed on the second rotating shaft through the third waist-shaped hole, one end of the fourth rotating arm has a fourth waist-shaped hole, and the fourth rotating arm passes through the fourth waist The shaped hole is mounted on the second shaft.