CN115604380A

CN115604380A - Electronic device

Info

Publication number: CN115604380A
Application number: CN202211211108.6A
Authority: CN
Inventors: 王志伟
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-01-13
Also published as: WO2024067577A1

Abstract

The application discloses electronic equipment relates to communication equipment technical field. The electronic equipment comprises a first main body, a second main body, a movable supporting piece, a lifting supporting piece and a flexible display screen; the first main body is movably connected with the second main body, one end of the flexible display screen is connected with the first main body, and the other end of the flexible display screen is connected with the second main body; the lifting support piece is movably arranged on the first main body, and the moving support piece is arranged on the second main body; under the condition that the electronic equipment is in an unfolded state, the movable support piece moves to a first position, the lifting support piece rises to a first height, and both the movable support piece and the lifting support piece are abutted to the flexible display screen; under the condition that the electronic equipment is in a furled state, the movable supporting piece moves to the second position, the lifting supporting piece descends to the second height, the movable supporting piece covers the lifting supporting piece, and the movable supporting piece is abutted to the flexible display screen.

Description

Electronic device

Technical Field

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

Background

With the increase of user demands and the development of technologies, the screen of the electronic device configuration is larger and larger. Electronic equipment equipped with a flexible display screen can meet both the requirement of a large screen and the portability of the electronic equipment, and is therefore gradually favored by users.

In order to support the flexible display screen, the electronic device related to the related art is implemented by using two comb structures capable of moving relative to each other. However, the two comb tooth structures which are matched with each other have severe friction in the process of unfolding or shrinking the flexible display screen, and then abnormal sound is generated, which undoubtedly influences the use of a user.

Disclosure of Invention

The embodiment of the application aims to provide electronic equipment, and the problem that the existing electronic equipment has abnormal sound can be solved.

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 main body, a second main body, a movable supporting piece, a lifting supporting piece and a flexible display screen;

the first main body and the second main body are movably connected, one end of the flexible display screen is connected with the first main body, and the other end of the flexible display screen is connected with the second main body;

the lifting support is movably arranged on the first main body, and the moving support is arranged on the second main body;

under the condition that the electronic equipment is in an unfolded state, the moving support piece moves to a first position, the lifting support piece rises to a first height, and the moving support piece and the lifting support piece are abutted to the flexible display screen; under the condition that the electronic equipment is in a furled state, the movable supporting piece moves to a second position, the lifting supporting piece descends to a second height, the movable supporting piece covers the lifting supporting piece, and the movable supporting piece is abutted to the flexible display screen.

In this embodiment, the lifting support member is movably disposed on the first body, the moving support member is disposed on the second body, and the second body is movable relative to the first body, wherein a moving direction of the lifting support member intersects with a moving direction of the moving support member, the moving support member drives the lifting support member to move through a transmission gear of the transmission mechanism, and the lifting support member can support the flexible display screen together with the moving support member through lifting thereof, and can also avoid the moving support member, so that the moving support member retracts and covers at least a portion of the lifting support member. Therefore, the flexible display screen can be supported by the movable support piece and the lifting support piece together when the electronic equipment is unfolded, so that a better supporting effect is provided, meanwhile, the movable support piece and the lifting support piece do not interfere with each other in movement, friction between the movable support piece and the lifting support piece is relieved, and the problem that the electronic equipment in the related technology has abnormal sound is solved.

Drawings

Fig. 1 is an exploded view of an electronic device disclosed in an embodiment of the present application;

FIG. 2 is a cross-sectional view of an electronic device disclosed in an embodiment of the present application;

fig. 3 to 4 are cross-sectional views of an electronic device disclosed in an embodiment of the present application in different states;

fig. 5 to 6 are top views of partial structures of an electronic device disclosed in an embodiment of the present application in different states;

fig. 7 to 9 are cross-sectional views of a part of the structure of an electronic device disclosed in an embodiment of the present application in different states;

fig. 10 to 11 are top views of partial structures of an electronic device disclosed in an embodiment of the present application in different states;

FIG. 12 is an enlarged view of a portion of FIG. 11;

FIG. 13 is an enlarged view of a portion of FIG. 12;

fig. 14 to 15 are schematic structural diagrams of a first gear according to an embodiment of the present application at different viewing angles;

fig. 16 to 17 are schematic structural diagrams of the second gear at different viewing angles according to the embodiment of the present application;

fig. 18 to 19 are schematic structural diagrams of a third gear at different viewing angles according to the embodiment of the present application;

FIG. 20 is a schematic structural view of a linkage rod disclosed in an embodiment of the present application;

fig. 21 to 22 are schematic structural diagrams of the first mounting member disclosed in the embodiment of the present application at different viewing angles;

fig. 23 to 24 are schematic structural views of the second mounting member disclosed in the embodiment of the present application at different viewing angles;

fig. 25 to 26 are schematic structural views of the first body disclosed in the embodiment of the present application at different viewing angles;

FIG. 27 is a schematic structural view of a mobile support according to an embodiment of the present disclosure;

fig. 28 to 29 are schematic structural views of the lifting support disclosed in the embodiment of the present application from different viewing angles;

FIG. 30 is a schematic structural view of a first fastener disclosed in an embodiment of the present application;

FIG. 31 is a schematic structural view of a first elastic member disclosed in an embodiment of the present application;

FIG. 32 is a schematic structural view of a second fastener disclosed in an embodiment of the present application;

fig. 33 to 34 are schematic structural diagrams of the first rack disclosed in the embodiment of the present application at different viewing angles;

FIG. 35 is an exploded view of the drive mechanism disclosed in the embodiments of the present application;

fig. 36-37 are schematic structural views of a gear set disclosed in an embodiment of the present application from different perspectives;

FIG. 38 is an exploded view of a guide mechanism disclosed in an embodiment of the present application;

FIG. 39 is an exploded view of an electronic device disclosed in another embodiment of the present application;

fig. 40 to 41 are cross-sectional views of an electronic device disclosed in another embodiment of the present application in different states;

fig. 42 to 43 are top views of partial structures of an electronic device disclosed in another embodiment of the present application in different states;

fig. 44 is a schematic partial structural view of an electronic device disclosed in another embodiment of the present application;

FIGS. 45-46 are cross-sectional views of the structure of FIG. 44 in different states;

fig. 47 to 48 are top views of partial structures of an electronic device disclosed in another embodiment of the present application in different states;

fig. 49 to 51 are structural views of a first body disclosed in another embodiment of the present application at different viewing angles;

fig. 52 to 53 are structural views of a linkage plate disclosed in another embodiment of the present application at different viewing angles;

figures 54-55 are block diagrams of a lifting support disclosed in another embodiment of the present application from different perspectives;

FIG. 56 is a block diagram of a mobile support according to another embodiment of the present disclosure from a different perspective;

FIGS. 57-58 are schematic views of a fourth gear wheel disclosed in another embodiment of the present application from different perspectives;

fig. 59 to 60 are schematic structural views of a second elastic member disclosed in another embodiment of the present application at different viewing angles.

Description of reference numerals:

100-a first main body, 110-a second guide part, 120-a guide groove, 130-a sliding groove, 140-a first central column, 150-a second central column, 160-a first central hole, 170-a first fixing groove, 171-a positioning hole, 180-a second fixing groove, 190-a third central column and 199-a first hanging part;

200-moving support, 210-first rack, 211-guiding post, 212-sliding catch, 220-first pulling part;

300-lifting support, 310-matching convex part, 320-first guide part, 330-third fixing groove;

400-a flexible display screen;

500-a transmission mechanism, 501-transmission teeth, 510-a linkage rod, 511-an eccentric transmission part, 512-a positioning part, 520-a first gear, 530-a second gear, 540-a third gear, 550-a second rack, 560-a fourth gear, 561-a spiral groove, 562-a second central hole, 570-a linkage plate, 571-a third rack, 572-a second traction part, 573-a connecting hole, 574-a second hanging part;

610-first mounting part, 611-first mounting groove, 620-second mounting part, 621-second mounting groove and 622-positioning column;

710-a first elastic part, 720-a second elastic part, 721-a deformation part, 722-a third hanging part, 723-a fourth hanging part, 730-a first fixing part and 740-a second fixing part;

800-a second body;

910-driving mechanism, 911-driving source, 912-reducer, 912 a-gear set, 912 b-gear end cover, 913-screw rod, 914-guide rod, 915-bearing, 916-sliding block, 917-third fixing piece, 918-bracket, 919-circuit board, 920-guide mechanism, 921-guide seat, 922-guide rail, 923-rolling body, 924-rolling body end cover and 925-fastening piece.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.

The terms first, second and the like in the description and in the claims of the present application 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 the embodiments of the application are capable of operation in sequences other than those illustrated or described herein. 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.

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

Referring to fig. 1 to 60, an embodiment of the present application discloses an electronic device including a first body 100, a second body 800, a moving support 200, a lifting support 300, a transmission mechanism 500, and a flexible display 400.

The first body 100 and the second body 800 are movably connected, that is, the second body 800 is movable with respect to the first body 100, one end of the flexible display 400 is connected to the first body 100, and the other end of the flexible display 400 is connected to the second body 800. When the first body 100 and the second body 800 move relatively, the flexible display 400 may slide relative to the second body 800, so that an area of a portion of the flexible display 400 located on the same side of the electronic device is changed, thereby changing a display area of the electronic device.

The elevating support 300 is movably disposed on the first body 100, that is, the elevating support 300 is movable with respect to the first body 100, and the moving support 200 is disposed on the second body 800. Alternatively, the elevating support 300 may be moved in a thickness direction of the electronic device, so that the height of the elevating support 300 is changed; the movable support 200 is fixedly disposed on the second body 800, and the two can move synchronously, and the moving direction of the two can be the width direction of the electronic device.

The transmission mechanism 500 is disposed on the first body 100, the transmission mechanism 500 includes a transmission gear 501, and the movable support 200 drives the lifting support 300 to move through the transmission gear 501 when the movable support 200 is connected to the transmission mechanism 500.

Under the condition that the electronic device is in an unfolded state, the movable supporting piece 200 moves to a first position, the lifting supporting piece 300 rises to a first height, the movable supporting piece 200 and the lifting supporting piece 300 are abutted to the flexible display screen 400, so that the flexible display screen 400 is supported together, the display area of the flexible display screen 400 is large and is convenient to view display contents, and when a user performs touch operation, the rigidity of the flexible display screen 400 is large, so that the use experience of the user is improved; under the condition that the electronic device is in a folded state, the movable support member 200 moves to the second position, the lifting support member 300 falls to the second height, the movable support member 200 covers the lifting support member 300, the movable support member 200 abuts against the flexible display screen 400, at the moment, the size of the electronic device is small, the electronic device is convenient for a user to carry, the display area of the flexible display screen 400 is small, and the supporting requirement of the flexible display screen 400 can be met only by moving the movable support member 200.

In the embodiment of the present application, the lifting support 300 is movably disposed on the first body 100, the moving support 200 is disposed on the second body 800, and the second body 800 is movable relative to the first body 100, wherein the moving direction of the lifting support 300 intersects with the moving direction of the moving support 200, the moving support 200 drives the lifting support 300 to move through the transmission teeth 501 of the transmission mechanism 500, and the lifting support 300 can support the flexible display 400 together with the moving support 200 by lifting itself and can also avoid the moving support 200, so that the moving support 200 retracts and covers at least a portion of the lifting support 300. Therefore, the embodiment of the application can support the flexible display screen 400 by the movable support member 200 and the lifting support member 300 together when the electronic device is unfolded, so as to provide a better supporting effect, and at the same time, the movement of the movable support member 200 and the lifting support member 300 do not interfere with each other, so as to alleviate friction between the two, so as to solve the problem that the electronic device in the related art has abnormal sound.

As shown in fig. 1 to 34, in an alternative embodiment, the transmission mechanism 500 includes a linkage rod 510, the linkage rod 510 is rotatably disposed on the first body 100, the linkage rod 510 is provided with an eccentric transmission portion 511 and a transmission tooth 501, the eccentric transmission portion 511 and the transmission tooth 501 are spaced apart from each other, that is, the linkage rod 510 is a cam shaft provided with the transmission tooth 501, the eccentric transmission portion 511 can contact with the lifting support 300, in a case that the moving support 200 is connected to the linkage rod 510, the moving support 200 drives the linkage rod 510 to rotate through the transmission tooth 501, the linkage rod 510 drives the lifting support 300 to move through the eccentric transmission portion 511, when an end of the eccentric transmission portion 511, which is far away from a rotation axis of the linkage rod 510, is close to the lifting support 300, the eccentric transmission portion 511 jacks up the lifting support 300 so that the lifting support 300 is flush with the moving support 200 to jointly support the flexible display 400, and when an end of the eccentric transmission portion 511, which is far away from the rotation axis of the linkage rod 510, is far away from the lifting support 300, the eccentric transmission portion 511 no longer applies a force to the lifting support 300, and the lifting support 300 can descend under the effect of its own weight. The structure of the transmission mechanism 500 is simple, the transmission chain is short, and the transmission efficiency is high. Under the condition that the electronic device is in a folded state, one end of the eccentric transmission part 511, which is far away from the rotation axis of the linkage rod 510, is at the same height as the linkage rod 510, so that the space of the eccentric transmission part 511 in the thickness direction of the electronic device is reduced, the electronic device is thinner, and the use experience of a user is further improved.

Alternatively, the number of the eccentric transmission parts 511 may be one, and the supporting force of the eccentric transmission parts 511 to the lifting support 300 is concentrated, thereby easily damaging the lifting support 300. In another embodiment, the number of the eccentric transmission parts 511 is at least two, each of the eccentric transmission parts 511 is disposed at intervals along the extending direction of the linkage bar 510, and each of the eccentric transmission parts 511 is in contact with the lifting support 300, so that the supporting force of the eccentric transmission part 511 on the lifting support 300 is dispersed, and the supporting area between the eccentric transmission part 511 and the lifting support 300 can be increased, thereby not only protecting the lifting support 300, but also improving the stability of the lifting support 300.

An elastic layer can be arranged on the movable support member 200, and the elastic layer has certain elasticity, so that when the elastic layer is in contact with the transmission teeth 501, the purpose that the elastic layer drives the linkage rod 510 to rotate through the transmission teeth 501 can be realized. In another alternative embodiment, the movable supporting member 200 is provided with a first rack 210, the first rack 210 extends along the moving direction of the movable supporting member 200, the first rack 210 can be engaged with the transmission teeth 501, and the rack-and-pinion transmission mode has the characteristics of large transmission power and high transmission efficiency. Under the condition that the first rack 210 is meshed with the transmission teeth 501, the first rack 210 drives the linkage rod 510 to rotate through the transmission teeth 501.

Alternatively, a side of the first body 100 facing the moving support 200 is a first side, a side of the first rack 210 facing the first body 100 is a second side, one of the first side and the second side is provided with a guide post 211, the other is provided with a guide groove 120, the guide post 211 is engaged with the guide groove 120, and the guide groove 120 provides a guide for the first rack 210 during the movement of the first rack 210.

Further optionally, one of the first surface and the second surface is provided with a sliding buckle 212, the other is provided with a sliding slot 130, and the sliding buckle 212 is in sliding fit with the sliding slot 130, so that the first rack 210 is prevented from being separated from the first main body 100 along the thickness direction of the electronic device during the movement of the first rack 210.

In a further optional embodiment, the transmission mechanism 500 further includes a first gear 520, a second gear 530 and a third gear 540, the first gear 520 is rotatably disposed on the first body 100, the second gear 530 is engaged with the first gear 520, optionally, the first gear 520 may be a cylindrical gear having a first gear portion and a second gear portion disposed at an interval, the first gear portion is engaged with the first rack 210, the second gear portion is engaged with the second gear 530 to avoid the first rack 210 and the second gear 530 from interfering with each other, the third gear 540 is engaged with the second gear 530, and the third gear 540 is engaged with the transmission gear 501, an axis of the second gear 530 intersects with an axis of the third gear 540. Optionally, the second gear 530 includes a first straight gear portion and a first bevel gear portion, the first straight gear portion is engaged with the second gear portion of the first gear 520, the third gear 540 includes a second straight gear portion and a second bevel gear portion, the first bevel gear portion is engaged with the second bevel gear portion, and the second straight gear portion is engaged with the transmission gear 501 provided on the linkage bar 510. Under the condition that the first rack 210 is meshed with the first gear 520, the first rack 210 drives the linkage rod 510 to rotate sequentially through the first gear 520, the second gear 530, the third gear 540 and the transmission teeth 501. The embodiment adopts a gear transmission mode, has compact structure and reliable transmission, and has higher transmission efficiency and transmission ratio, thereby improving the moving accuracy of the lifting support 300. In addition, compared to the embodiment in which the first rack 210 directly engages with the driving gear 501, the first gear 520, the second gear 530, and the third gear 540 may be adapted to the distance between the first rack 210 and the driving gear 501, thereby facilitating the structural design of the electronic device.

It should be noted that, during the movement of the movable support 200 between the first position and the second position, the total tooth length of the first rack 210 passing through the first gear 520 is equal to the horizontal distance between the movable support 200 and the elevating support 300.

Optionally, a first surface of the first main body 100 is provided with a first central pillar 140, a second central pillar 150, and a first central hole 160, wherein an axis of the first central pillar 140 may be perpendicular to an axis of the second central pillar 150, the first central pillar 140 is sleeved with the first gear 520, the first gear 520 rotates around the first central pillar 140, the second central pillar 150 is sleeved with the third gear 540, the third gear 540 rotates around the second central pillar 150, and the first central hole 160 is in rotational fit with the central pillar of the second gear 530.

The number of the linkage bars 510 may be one. In another alternative embodiment, the number of the linkage rods 510 is at least two, each linkage rod 510 is arranged at intervals along the moving direction of the moving support 200, the transmission mechanism 500 further comprises a second rack 550, and each linkage rod 510 is in transmission connection with the second rack 550. In the embodiment, the linkage rods 510 are in transmission connection through the second rack, and when one linkage rod 510 is driven to rotate, the other linkage rods 510 can rotate along with the linkage rod, so that the embodiment can improve the supporting effect of the linkage rods 510 on the lifting support 300, and simultaneously simplify the driving structure of each linkage rod 510. When the number of the linkage bars 510 is at least two, the linkage bars include a first linkage bar and a second linkage bar, and in the moving direction of the moving support 200, the first linkage bar is supported at one end of the lifting support 300, and the second linkage bar is supported at the other end of the lifting support 300, so that the supporting area of the linkage bars 510 is increased, and the stability of the lifting support 300 is further improved.

In another optional embodiment, the electronic device further includes a first mounting component 610 and a second mounting component 620, the first mounting component 610 is provided with a first mounting groove 611, the second mounting component 620 is provided with a second mounting groove 621, the first mounting component 610 is connected to the second mounting component 620, so that the first mounting groove 611 and the second mounting groove 621 jointly form a mounting hole, the linkage rod 510 is provided with a positioning portion 512, the positioning portion 512 is matched with the mounting hole, so as to position the linkage rod 510, so that the linkage rod 510 rotates around its own axis in the mounting hole, the linkage rod 510 is rotatably disposed in the first main body 100 through the first mounting component 610 and the second mounting component 620, so that the linkage rod 510 flexibly rotates, and interference with the first main body 100 is avoided.

Optionally, the first face of the first body 100 is further provided with a first fixing groove 170, and at least a portion of the second mounting member 620 is mounted in the first fixing groove 170, thereby positioning the second mounting member 620. Further optionally, the groove bottom of the first fixing groove 170 is provided with a positioning hole 171, a surface of the second mounting member 620 facing the groove bottom is provided with a positioning post 622, and the positioning post 622 is in positioning fit with the positioning hole 171, so as to position the second mounting member 620.

Optionally, the first mounting member 610 is connected to the second mounting member 620 by a plurality of fasteners, and further optionally, the fasteners may be screws or the like, which is not particularly limited herein.

Optionally, the number of the first mounting parts 610 and the second mounting parts 620 may be at least two, each of the first mounting parts 610 and each of the second mounting parts 620 are arranged at intervals along the extending direction of the linkage rod 510, and each of the first mounting parts 610 and each of the second mounting parts 620 are arranged on both sides of the transmission mechanism, so that both ends of the linkage rod 510 are respectively positioned, and the linkage rod 510 is prevented from being displaced during the rotation process.

In another optional embodiment, the electronic device further includes a first elastic member 710, the first elastic member 710 is connected between the first body 100 and the lifting support 300, and when the moving support 200 moves from the first position to the second position, that is, when the lifting support 300 is lowered from the first height to the second height, the linkage rod 510 rotates until the end of the eccentric transmission portion 511 away from the rotation axis of the linkage rod 510 is at the same height as the linkage rod 510, the first elastic member 710 recovers its shape, and pulls the lifting support 300 to the second position, so that the moving support 200 covers the lifting support 300.

Optionally, the electronic device further includes a first fixing member 730 and a second fixing member 740, the first surface of the first main body 100 is further provided with a second fixing groove 180, the second fixing member 740 is fixedly disposed in the second fixing groove 180, the surface of the lifting support member 300 away from the flexible display screen 400 is provided with a third fixing groove 330, the first fixing member 730 is fixedly disposed in the third fixing groove 330, and the first elastic member 710 is connected between the first fixing member 730 and the second fixing member 740, so that the first elastic member 710 is respectively connected with the first main body 100 and the lifting support member 300.

As shown in fig. 39 to 60, in another alternative embodiment, the transmission mechanism 500 includes a fourth gear 560, the fourth gear 560 is provided with a transmission tooth 501, optionally, the fourth gear 560 and the lifting support 300 can be engaged by friction, and the lifting support 300 is lifted and lowered frequently during the use of the electronic device, so that the fourth gear 560 and the lifting support 300 are easily worn, which may cause the engagement between the two to fail, and frequent maintenance is required. Therefore, in other embodiments, one of the fourth gear 560 and the elevating support 300 is provided with a spiral groove 561, the other is provided with a fitting protrusion 310, the fitting protrusion 310 is fitted with the spiral groove 561, in the case that the moving support 200 is connected with the fourth gear 560, the moving support 200 drives the fourth gear 560 to rotate through the transmission teeth 501, the fourth gear 560 rotates relative to the fitting protrusion 310 and simultaneously drives the fitting protrusion 310 to move along the thickness direction of the electronic device, the fitting protrusion 310 drives the lifting support 300 to move, and the fourth gear 560 drives the lifting support 300 to move through the fitting protrusion 310 and the spiral groove 561, so that the fourth gear 560 and the lifting support 300 are more reliably connected, and the service life is longer.

Optionally, the fourth gear 560 is provided with a second central hole 562, the third central column 190 is provided on the first surface of the first main body 100, the fourth gear 560 is sleeved on the third central column 190 through the second central hole 562, and the fourth gear 560 rotates around the third central column 190.

Alternatively, the moving support 200 may be provided with a first rack 210, and when the first rack 210 is engaged with the fourth gear 560, the moving support 200 may rotate the fourth gear 560 by the first rack 210, thereby moving the lifting support plate 300. In another optional embodiment, the transmission mechanism 500 further includes a linkage plate 570, the linkage plate 570 is movably disposed on the first main body 100, the linkage plate 570 is provided with a third rack 571, the third rack 571 extends along the moving direction of the moving support 200, the third rack 571 is engaged with the transmission teeth 501, when the moving support 200 is connected to the linkage plate 570, the moving support 200 drives the linkage plate 570 to move, the linkage plate 570 drives the fourth gear 560 to rotate through the third rack 571 and the transmission teeth 501, and the fourth gear 560 drives the matching protrusion 310 to move, so that the linkage plate 570 drives the lifting support 300 to move through the fourth gear 560. Therefore, the transmission mechanism 500 in this embodiment has the characteristics of large transmission power, high transmission efficiency and the like through a gear-rack transmission manner, so as to improve the moving smoothness of the lifting support 300. In addition, the linkage plate 570 can be used as a transition part between the movable support 200 and the fourth gear 560, so that a transmission structure such as a third rack 571 can be arranged more conveniently.

It should be noted that, during the movement of the movable support 200 between the first position and the second position, the total tooth length of the third rack 571 passing through the fourth gear 560 is equal to the horizontal distance between the movable support 200 and the lifting support 300, and equal to the thickness of the movable support 200.

Alternatively, the linkage plate 570 is provided with a connection hole 573, the connection hole 573 extending in the thickness direction of the electronic device, the hole wall of the connection hole 573 is provided with a third rack 571, and at least a portion of the fourth gear 560 is located in the connection hole 573, so that the transmission mechanism 500 is more compact, thereby reducing the thickness of the electronic device.

When the movable support 200 moves from the first position to the second position, a driving force can be provided by an additional driving device to drive the linkage plate 570 to move, but the driving device consumes more power, which results in a reduction in the endurance time of the electronic device. Based on this, in another alternative embodiment, the electronic device further includes a second elastic member 720, and the second elastic member 720 is connected between the first body 100 and the linkage plate 570. In the process that the movable support 200 moves from the second position to the first position, the second elastic member 720 deforms along the moving direction of the movable support 200; in the process that the movable supporting member 200 moves from the first position to the second position, the second elastic member 720 recovers deformation and provides power for the linkage plate 570, thereby saving electric energy and prolonging the endurance time of the electronic device.

The movable support 200 and the linkage plate 570 can be connected by a flexible connector, when the movable support 200 moves from the second position to the first position, once the flexible connector is tightened, the movable support 200 can pull the linkage plate 570 to move, but when the movable support 200 is in the second position, the flexible connector is in a loose state and is easy to affect other structures. In view of this, in a further alternative embodiment, the movable supporting member 200 is provided with a first pulling portion 220, the linkage plate 570 is provided with a second pulling portion 572, when the electronic device is in a folded state, the first pulling portion 220 and the second pulling portion 572 are arranged at intervals along a moving direction of the movable supporting member 200, when the first pulling portion 220 is connected to the second pulling portion 572, the movable supporting member 200 drives the linkage plate 570 to move through the first pulling portion 220 and the second pulling portion 572, and the moving direction of the movable supporting member 200 is the same as the moving direction of the linkage plate 570. In the scheme, the first pulling part 220 is fixed on the movable supporting member 200, the second pulling part 572 is fixed on the linkage plate 570, and under the condition that the first pulling part 220 is connected with the second pulling part 572, the contact area between the first pulling part 220 and the second pulling part 572 is large, so that the acting force between the first pulling part 220 and the second pulling part 572 can be dispersed; also, when the moving support 200 is located at the second position, the influence on other structures can be reduced.

Optionally, a first hanging portion 199 is disposed on a first surface of the first main body 100, a second hanging portion 574 is disposed on the linkage plate 570, one end of the second elastic member 720 is hung on the first hanging portion 199, and a second end of the second elastic member 720 is hung on the second hanging portion 574, so as to facilitate the arrangement of the second elastic member 720.

Further optionally, the second elastic member 720 includes a deformation portion 721, a third hanging portion 722 and a fourth hanging portion 723, the deformation portion 721 is connected between the third hanging portion 722 and the fourth hanging portion 723, the third hanging portion 722 is matched with the first hanging portion 199, and the fourth hanging portion 723 is matched with the second hanging portion 574, so as to improve stability of the second elastic member 720.

In an alternative embodiment, the lifting support 300 is provided with the first guide portion 320, the first body 100 is provided with the second guide portion 110, and the first guide portion 320 and the second guide portion 110 are slidably engaged with each other in the moving direction of the lifting support 300, so as to prevent the lifting support 300 from tilting during the moving process, thereby improving the moving stability of the lifting support 300 and the flatness of the flexible display 400.

As shown in fig. 35 to 38, optionally, the electronic device further includes a driving mechanism 910 and a guiding mechanism 920, the driving mechanism 910 is disposed on the first body 100, the driving mechanism 910 is connected to the second body 800, and the driving mechanism 910 can drive the second body 800 to move relative to the first body 100, and at the same time, move the supporting member 200 to move relative to the first body 100. The guide mechanism 920 may provide a guiding function for the relative movement of the first body 100 and the second body 800, so that the first body 100 and the second body 800 move relatively more precisely and smoothly.

Optionally, the guide mechanism 920 includes a guide seat 921, a guide rail 922, rolling elements 923, rolling element end caps 924, and fasteners 925, the guide seat 921 is fixed to the first main body 100, the guide rail 922 is slidably disposed in a guide groove of the guide seat 921, and a plurality of rolling elements 923 are disposed between the guide rail 922 and the guide seat 921, the rolling element end caps 924 are connected to end portions of the guide seat 921 through the fasteners 925, the rolling element end caps 924 are configured to prevent the rolling elements 923 from rolling outside the guide groove, and optionally, the number of the rolling element end caps 924 is at least two, including a first rolling element end cap and a second rolling element end cap, the first rolling element end cap and the second rolling element end cap are disposed at two ends of the guide seat 921, so that an accommodating groove is formed between the first rolling element end cap, the guide groove, and the second rolling element end cap, so that the rolling elements 923 roll in the accommodating groove. The guide rail 922 is connected to the movable support 200, and the guide rail 922 provides a guide for the movable support 200 to facilitate the second body 800 to move in a predetermined direction, so as to prevent the flexible display 400 from being wrinkled due to the inclination of the second body 800.

Alternatively, the driving mechanism 910 includes a driving source 911, a reducer 912, a screw rod 913, a guide bar 914, a bearing 915, a slider 916, a third fixing member 917, a bracket 918, and a circuit board 919, and the driving source 911 may be at least one of various driving devices such as a motor, a hydraulic cylinder, a shape memory alloy, and the like, without being particularly limited thereto. The bracket 918 is disposed on the first body 100, the screw rod 913 and the guide bar 914 are disposed on the bracket 918 in a spaced and parallel manner, the screw rod 913 is connected to the bracket 918 through a bearing 915, the driving source 911 is connected to the screw rod 913, and the slider 916 is respectively sleeved on the screw rod 913 and the guide bar 914, wherein the slider 916 is in threaded engagement with the screw rod 913, and the slider 916 is in guiding engagement with the guide bar 914. During the process that the driving source 911 drives the screw rod 913 to rotate, the slider 916 moves relative to the screw rod 913, and the guide rods 914 provide guidance for the slider 916, optionally, the number of the guide rods 914 is at least two, including a first guide rod and a second guide rod, which are respectively arranged at two sides of the screw rod 913 at intervals. The slider 916 is fixedly connected to the moving support 200 by a third fixing member 917. The reduction gear 912 is provided between the drive source 911 and the screw 913 to reduce the rotation speed of the drive source 911, increase the torque, and constantly transmit the torque to the screw 913. The circuit board 919 is electrically connected to the drive source 911 for supplying power to the drive source 911.

Alternatively, the speed reducer 912 includes a gear set 912a and a gear cover 912b, the gear set 912a is connected between the output shaft of the drive source 911 and the end of the screw rod 913, and the gear cover 912b is disposed at one side of the gear set 912a for protecting the gear set 912a.

The electronic device disclosed in the embodiment of the present application may be an electronic device such as a smart phone, a tablet computer, an electronic book reader, a wearable device, for example, a smart watch, and an electronic game machine, and the embodiment of the present application does not specifically limit the type of the electronic device.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An electronic device is characterized by comprising a first main body, a second main body, a movable supporting piece, a lifting supporting piece, a transmission mechanism and a flexible display screen,

the transmission mechanism is arranged on the first main body and comprises transmission teeth, the movable support piece drives the lifting support piece to move through the transmission teeth under the condition that the movable support piece is connected with the transmission mechanism,

2. The electronic device according to claim 1, wherein the transmission mechanism comprises a linkage rod, the linkage rod is rotatably disposed on the first main body, the linkage rod is provided with an eccentric transmission part and the transmission teeth, and the eccentric transmission part can be in contact with the lifting support;

under the condition that the movable supporting piece is connected with the linkage rod, the movable supporting piece drives the linkage rod to rotate through the transmission teeth, and the linkage rod drives the lifting supporting piece to move through the eccentric transmission part.

3. The electronic device according to claim 2, wherein the moving support is provided with a first rack extending in a moving direction of the moving support, the first rack being engageable with the gear teeth;

under the condition that the first rack is meshed with the transmission teeth, the first rack drives the linkage rod to rotate through the transmission teeth.

4. The electronic apparatus according to claim 3, wherein the transmission mechanism further includes a first gear, a second gear, and a third gear, the first gear being rotatably provided to the first body, the second gear being engaged with the first gear, the third gear being engaged with the second gear, and the third gear being engaged with the transmission teeth, an axis of the second gear intersecting an axis of the third gear,

under the condition that the first rack is meshed with the first gear, the first rack drives the linkage rod to rotate sequentially through the first gear, the second gear, the third gear and the transmission gear.

5. The electronic device according to claim 2, wherein the number of the linkage rods is at least two, each linkage rod is arranged at intervals along the moving direction of the moving support, the transmission mechanism further comprises a second rack, and each linkage rod is connected through the second rack in a transmission manner.

6. The electronic device of claim 2, further comprising a first elastic member connected between the first body and the lifting support member.

7. The electronic device according to claim 1, wherein the transmission mechanism includes a fourth gear provided with the transmission teeth, one of the fourth gear and the lifting support is provided with a spiral groove, and the other is provided with a fitting protrusion that fits with the spiral groove,

under the condition that the movable supporting piece is connected with the fourth gear, the movable supporting piece drives the fourth gear to rotate through the transmission gear, and the fourth gear drives the lifting supporting piece to move through the matching convex part and the spiral groove.

8. The electronic device of claim 7, wherein the transmission mechanism further comprises a linkage plate movably disposed on the first body, the linkage plate is provided with a third rack extending along a moving direction of the moving support, the third rack is engaged with the transmission gear,

under the condition that the movable supporting piece is connected with the linkage plate, the movable supporting piece drives the linkage plate to move, and the linkage plate drives the lifting supporting piece to move through the fourth gear.

9. The electronic device of claim 8, further comprising a second elastic member connected between the first body and the linkage plate.

10. The electronic device of claim 8, wherein the moving support is provided with a first pulling portion, the linkage plate is provided with a second pulling portion, and the first pulling portion and the second pulling portion are arranged at intervals along a moving direction of the moving support when the electronic device is in the folded state,

under the condition that the first drawing part is connected with the second drawing part, the movable supporting piece drives the linkage plate to move through the first drawing part and the second drawing part, and the moving direction of the movable supporting piece is the same as that of the linkage plate.