CN111627329A

CN111627329A - Outer folding flexible screen strutting arrangement and electronic equipment

Info

Publication number: CN111627329A
Application number: CN202010393467.2A
Authority: CN
Inventors: 曾传华; 沈烈康
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-09-04
Anticipated expiration: 2040-05-11
Also published as: CN111627329B

Abstract

The application discloses outer flexible screen strutting arrangement and electronic equipment that folds, outer flexible screen strutting arrangement that folds includes: the supporting frame assembly comprises a supporting frame and at least one supporting rib connected with the supporting frame, and the supporting frame is provided with at least one accommodating groove; the elastic piece is arranged in the accommodating groove; the first shell and the second shell are respectively sleeved on the first matching piece and the second matching piece and are respectively abutted with the elastic piece; the both ends of supporting component are connected with first casing and second casing respectively and lay on the brace rod, and the flexible screen is connected with supporting component, and the flexible screen can change between the horizontality to the state of buckling under the drive of brace rod and support frame, and first casing of elastic component butt and second casing are in tensile state so that the flexible screen is in the horizontality all the time with the state of buckling. Has the advantages that: the flexible screen is always in a stretching state in a horizontal state and a bending state.

Description

Outer folding flexible screen strutting arrangement and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to an outer folding flexible screen supporting device and electronic equipment.

Background

In the technical field of electronic equipment, especially in the research and development field of display screens, flexible display screens are gradually beginning to be widely researched and developed and put into use because of the advantages of small volume, portability, diversified display modes, convenience in installation and the like.

In actual production, the inside part that can make flexible display screen buckle that is equipped with of electronic equipment, the part surface that supports flexible display screen can laminate mutually with flexible display screen, flexible display screen can experience the reciprocal of a lot of in the use and buckle, and then the part that drives to support flexible display screen also buckles many times, but the part that supports flexible display screen can be because self produces the state of surperficial unevenness at the in-process of buckling, and then the very big surface that probably leads to flexible display screen also produces the condition of unevenness, with serious influence user experience.

Disclosure of Invention

The main technical problem who solves of this application provides an outer flexible screen strutting arrangement and electronic equipment that folds, can solve the condition of flexible display screen surface unevenness.

In order to solve the technical problem, the application adopts a technical scheme that: there is provided an outer folding flexible screen support device comprising:

the supporting frame assembly comprises a supporting frame and at least one supporting rib connected with the supporting frame, and the supporting frame is provided with at least one accommodating groove;

the elastic piece is arranged in the accommodating groove;

the first shell is provided with a first matching piece sleeved in the accommodating groove, and the first matching piece is elastically abutted against the elastic piece;

the second shell is provided with a second matching piece sleeved in the accommodating groove, the second matching piece is elastically abutted against the elastic piece, and the support rib is arranged between the first shell and the second shell;

the supporting component, the both ends of supporting component respectively with first casing with the second casing is connected and lays in on the brace rod, the flexible screen with the supporting component is connected, the flexible screen be in the brace rod with can change between the horizontality to the state of buckling under the drive of support frame, the elastic component butt first casing with the second casing is in the tensile state all the time at the horizontality with the state of buckling so that the flexible screen.

In order to solve the above technical problem, another technical solution adopted by the present application is: the utility model provides an electronic equipment, this electronic equipment include flexible screen and foretell flexible screen strutting arrangement that folds outward, the both ends subsides of flexible screen are located first casing with the second casing, work as the flexible screen is in first casing with when carrying out reciprocating motion from the horizontality to the state of buckling under the drive of second casing, the upper surface of supporting component with the lower surface of flexible screen is laminated mutually.

The beneficial effect of this application is: be different from prior art's condition, this application is equipped with the elastic component, when the flexible screen moves from the horizontality to the state of buckling under the drive of first casing and second casing, and the first fitting piece that is connected with first casing and the second fitting piece that is connected with the second casing are all at storage tank inner reciprocating motion. And then can make the supporting component keep the state of tautness all the time when flexible screen horizontality or state of buckling to the surface that makes supporting component and flexible screen contact is the leveling condition all the time, then the surface of flexible screen also can be the leveling condition all the time, and can not take place the fold.

Drawings

Fig. 1 is a schematic diagram of a split structure of an electronic device according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a partially exploded configuration of an outer folding flexible screen support arrangement of the electronic device shown in FIG. 1;

FIG. 3 is an angular schematic view of the electronic device shown in FIG. 1 in a bent state;

FIG. 4 is an exploded view of the outer folding flexible screen support of the electronic device shown in FIG. 2;

FIG. 5 is a schematic view of a portion of the construction of the outer folding flexible screen support shown in FIG. 4;

FIG. 6 is a schematic view of a portion of the construction of the outer folding flexible screen support shown in FIG. 5;

FIG. 7 is a schematic view of the second housing and the elastic member shown in FIG. 6;

FIG. 8 is a schematic view of a portion of the construction of the outer folding flexible screen support shown in FIG. 6;

FIG. 9 is an enlarged schematic view of a portion of the structure shown in FIG. 6;

FIG. 10 is a schematic view of the second slider shown in FIG. 6;

FIG. 11 is a schematic structural view of the second connector shown in FIG. 6;

FIG. 12 is a schematic view of a portion of the structure shown in FIG. 6;

FIG. 13 is an angular configuration of a support bar, a first housing, and a second housing according to an embodiment of the present application;

FIG. 14 is a schematic structural view of the second housing shown in FIG. 13;

FIG. 15 is an exploded view of an angle of the support assembly to the first housing, second housing and support ribs according to an embodiment of the present application;

fig. 16 is an angular exploded view of the support assembly of an embodiment of the present application and the first and second housings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic diagram illustrating a disassembled structure of an electronic device 90 according to an embodiment of the present disclosure, fig. 2 is a schematic diagram illustrating a partial exploded structure of an outer folding flexible screen supporting device 930 of the electronic device 90 shown in fig. 1, and fig. 3 is a schematic diagram illustrating an angle structure of a bent state of the electronic device 90 shown in fig. 1. An embodiment of the present application provides an electronic device 90. The electronic device 90 of the present application may include a mobile phone, a tablet computer, a notebook computer, a wearable device, and the like, wherein the example of the present application is a mobile phone. The electronic device 90 includes: the flexible screen 910, the housing 920, and the outer folding flexible screen supporting device 930, wherein the outer folding flexible screen supporting device 930 is connected to the housing 920 and the flexible screen 910, respectively, and when the flexible screen 910 reciprocates from a horizontal state to a bent state, the outer folding flexible screen supporting device 930 can keep the surface of the flexible screen 910 in a flat state all the time.

Referring to fig. 4 and 5, fig. 4 is an exploded view of the outer folding flexible screen supporting device 930 of the electronic device 90 shown in fig. 2, and fig. 5 is a partial view of the outer folding flexible screen supporting device 930 shown in fig. 4. An embodiment of the present application provides an outer folding flexible screen supporting device 930, where the outer folding flexible screen supporting device 930 includes a supporting frame assembly 11, at least one elastic member 20, a first casing 30, a second casing 40, and a supporting assembly 50, where the supporting frame assembly 11 includes a supporting frame 10 and at least one supporting rib 60 connected to the supporting frame 10, at least one accommodating groove 110 is disposed on the supporting frame 10, and the elastic member 20 is disposed in the accommodating groove 110. The first housing 30 is provided with a first fitting member 310 adapted to the receiving groove 110, and when the first housing 30 reciprocates during a process of changing a bending state, the first fitting member 310 abuts against the elastic member 20 in the receiving groove 110 and reciprocates. The second housing 40 is provided with a second fitting member 410 adapted to the receiving groove 110, and when the second housing 40 reciprocates during the process of changing the bending state, the second fitting member 410 is abutted to the elastic member 20 in the receiving groove 110 and reciprocates.

The two ends of the supporting component 50 are respectively connected with the first shell 30 and the second shell 40 and laid on the supporting ribs 60, the flexible screen 910 is connected with the supporting component 50, the flexible screen 910 can be changed from a horizontal state to a bending state under the driving of the supporting ribs 60 and the supporting frame 10, and the elastic part 20 abuts against the first shell 30 and the second shell 40 so that the flexible screen 910 is always in a stretching state in the horizontal state and the bending state. The elastic element 20 is disposed between the supporting frame 10 and the first casing 30, and between the supporting frame 10 and the second casing 40, so that during the bending process of the first casing 30 and the second casing 40, the first mating element 310 disposed on the first casing 30 abuts against the elastic element 20 in the accommodating groove 110 to perform a reciprocating motion, and the second mating element 410 disposed on the second casing 40 abuts against the elastic element 20 in the accommodating groove 110 to perform a reciprocating motion. So set up, just be connected with first casing 30 and second casing 40 when can making supporting component 50 be in tensile stage, and then when first casing 30 and second casing 40 buckle, supporting component 50 can buckle under the state of tightening, so alright in order to make supporting component 50 from the horizontality to when buckling the state, the surface of supporting component 50 is in the state of tightening all the time and the surfacing, so alright laminate mutually with the supporting component 50 of leveling the surface from the horizontality to buckling the state with flexible screen 910, and then guarantee the roughness on flexible screen 910 surface. It should be noted that the terms "first", "second" and "third" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 6 and 7, fig. 6 is a partial structural schematic view of the outer folding flexible screen supporting device 930 shown in fig. 5, and fig. 7 is a structural schematic view of the second housing 40 and the elastic member 20 shown in fig. 6. The support frame 10 includes a first support frame 120 and a second support frame 130, the first support frame 120 is disposed at an end of the first housing 30 away from the support assembly 50, and the second support frame 130 is disposed at an end of the second housing 40 away from the support assembly 50; the receiving groove 110 includes a first receiving groove 1110 and a second receiving groove 1120, at least one first receiving groove 1110 is disposed on the first support frame 120, and at least one second receiving groove 1120 is disposed on the second support frame 130. When the flexible screen 910 is bent, for the square electronic device 90, the plurality of elastic members 20 are generally symmetrically disposed on the first support frame 120 and the second support frame 130, and then the elastic members 20 are disposed corresponding to the plurality of accommodating grooves 110, so that the flexible screen 910 can be always bent in a single direction when the first housing 30 and the second housing 40 are bent, and the flexible screen 910 cannot be twisted and the surface of the flexible screen 910 is wrinkled. And further comprises a first support plate 140 and a second support plate 150, and both ends of the flexible screen 910 are connected with the first support plate 140 and the second support plate 150.

In an embodiment of the present application, the number of the first accommodating grooves 1110 is two, and the first accommodating grooves are disposed on two opposite sides of the long edge of the first support frame 120; the number of the second receiving grooves 1120 is two, and the second receiving grooves are disposed on two opposite sides of the long side of the second supporting frame 130. It can be understood that the two first receiving grooves 1110 formed on the first support frame 120 and the two second receiving grooves 1120 formed on the second support frame 130 are only one embodiment that needs to be protected in the present application, and in other embodiments, the number of the first receiving grooves 1110 and the number of the second receiving grooves 1120 may also be 3, 4 or more, which is not limited herein.

The first housing 30 is provided with a first fitting member 310 adapted to the first receiving groove 1110, and the second housing 40 is provided with a second fitting member 410 adapted to the second receiving groove 1120. In an embodiment of the present application, the first fitting member 310 is sleeved in the first receiving groove 1110 and can slide in the first receiving groove 1110. The second fitting member 410 is disposed in the second receiving cavity 1120 and can slide in the second receiving cavity 1120,

the first support frame 120 is provided with a first limiting member 1210, the elastic member 20 is sleeved outside the first limiting member 1210, and one end of the elastic member abuts against the first support frame 120; the second supporting frame 130 is provided with a second limiting member 1310, and the elastic member 20 is sleeved outside the second limiting member 1310 and has one end abutting against the second supporting frame 130. In an embodiment of the present application, the first limiting member 1210 and the second limiting member 1310 are respectively limiting cylinders, and the elastic member 20 is a spring. In other embodiments, the first limiting member 1210 and the second limiting member 1310 may also be limiting polygonal cylinders, and the specific shapes of the first limiting member 1210 and the second limiting member 1310 are not limited herein.

The first fitting part 310 is provided with a first fitting hole 3110, and an opening is formed at one end of the first fitting hole 3110 and is sleeved outside the elastic part 20; the second mating member 410 has a second mating hole 4110, and an opening of one end of the second mating hole 4110 is disposed and sleeved outside the elastic member 20. With this arrangement, the first engaging hole 3110 is sleeved outside the elastic element 20, so that when the first housing 30 rotates, the first engaging element 310 reciprocates along a direction in which the elastic element 20 elastically contracts or expands. The second engaging hole 4110 is open at one end and is sleeved outside the elastic element 20, so that when the second housing 40 rotates, the second engaging element 410 reciprocates along the direction of elastic contraction or relaxation of the elastic element 20.

An embodiment of the present application further includes at least one support rib 60, the support rib 60 is disposed between the first casing 30 and the second casing 40, and when the first casing 30 and the second casing 40 are bent and further drive the flexible screen 910 to be bent from a horizontal state, the bottom surface of the support assembly 50 is attached to the upper surface of the support rib 60. The support rib 60 is used for supporting the support assembly 50, so that when the support assembly 50 is bent, the lower surface of the support assembly 50 is attached to the upper surface of the support rib 60. In an embodiment of the present invention, the support rib 60 includes a first support rib 610, a second support rib 620 and a third support rib 630, the first support rib 610 is connected with the first casing 30, the third support rib 630 is connected with the second casing 40, and the second support rib 620 is respectively connected with the first support rib 610 and the third support rib 630. It is understood that in other embodiments, the number of the support ribs 60 may be 2, 3 or 5, which is not limited herein. It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Referring to fig. 8, 9 and 10, fig. 8 is a partial structural schematic view of the outer folding flexible screen supporting device 930 shown in fig. 6, fig. 9 is an enlarged structural schematic view of the partial structure shown in fig. 6, and fig. 10 is a structural schematic view of the second sliding member 820 shown in fig. 6. The embodiment of the present application further includes a rotating assembly 70, one end of the rotating assembly 70 is connected to the first housing 30, the other end of the rotating assembly 70 is connected to the second housing 40, and the rotating assembly 70 is used for driving the supporting assembly 50 to reciprocate from the horizontal state to the bending state. The rotating assembly 70 is connected to the first casing 30 and the second casing 40, and when the rotating assembly 70 rotates, the first casing 30 and the second casing 40 can be driven to rotate, so that the supporting assembly 50 connected to the first casing 30 and the second casing 40 is also bent.

Referring to fig. 11 and 12, fig. 11 is a schematic structural view of the second connector 7220 shown in fig. 6, and fig. 12 is a partial schematic structural view shown in fig. 6. The rotating assembly 70 includes a rotating member 710 and a connecting member 720; the rotating member 710 includes a first rotating member 7110 and a second rotating member 7120, one end of the first rotating member 7110 is connected to the first support rib 610, and the other end is engaged with the second rotating member 7120 for rotation; one end of the second rotating member 7120 is connected to the second support rib 620, and the other end is connected to the first rotating member 7110; the connecting member 720 includes a first connecting member 7210 and a second connecting member 7220, the first connecting member 7210 and the second connecting member 7220 are respectively disposed on opposite sides of the engaged ends of the first rotating member 7110 and the second rotating member 7120, and the connecting member 720 is used for defining the rotating directions of the first rotating member 7110 and the second rotating member 7120. In one embodiment of the present application, the first rotating member 7110 has one end connected to the first supporting rib 610 and the other end engaged with the second rotating member 7120 for rotation. The second rotating member 7120 has one end connected to the third support rib 630 and the other end engaged with the first rotating member 7110. In other embodiments, the first rotating member 7110 and the second rotating member 7120 may not be connected to the first supporting rib 610 and the third supporting rib 630, and the connection relationship between the first rotating member 7110 and the second rotating member 7120 and the first supporting rib 610 and the third supporting rib 630 is not limited herein.

The first and

second coupling members

7210 and 7220 are respectively disposed on opposite sides of the engagement ends of the first and second

rotating members

7110 and 7120, and the first and

second coupling members

7210 and 7220 limit the rotating directions of the first and second

rotating members

7110 and 7120, so that the first and second

rotating members

7110 and 7120 rotate more smoothly. The first coupling member 7210 is provided with a first positioning hole 7211 and a second positioning hole 7213, and the second coupling member 7220 is provided with a third positioning hole 7221 and a fourth positioning hole 7223. The first positioning hole 7211 and the third positioning hole 7221 are respectively connected to a first positioning post 7111 provided on the first rotating member 7110. The second positioning hole 7213 and the fourth positioning hole 7223 are respectively connected to a second positioning post 7121 disposed on the second rotating member 7120. When the first rotating member 7110 and the second rotating member 7120 rotate in an engaged manner, the first positioning post 7111 and the second positioning post 7121 rotate in the first positioning hole 7211 and the second positioning hole 7213, respectively, so as to limit the direction in which the first rotating member 7110 and the second rotating member 7120 rotate in an engaged manner.

With continued reference to fig. 9 and 11, an embodiment of the present application further includes a first sliding member 810, a second sliding member 820, and a third sliding member 830; the first sliding member 810 is connected to the first housing 30 at one end and slidably connected to the second sliding member 820 at the other end; one end of the second sliding member 820 is slidably connected with the first sliding member 810, the other end is slidably connected with the third sliding member 830, one end of the third sliding member 830 is slidably connected with the second sliding member 820, and the other end is connected with the second connecting member 7220; one end of the first support rib 610, which is away from the support assembly 50, is connected to the second sliding member 820, so that the first support rib 610 can be driven to rotate by sliding among the first sliding member 810, the second sliding member 820 and the third sliding member 830 when the first rotating member 7110 and the second rotating member 7120 rotate. When the first rotating member 7110 is engaged with the second rotating member 7120 to rotate, with respect to the first housing 30, since the first housing 30 is connected to one end of the first slider 810, the other end of the first slider 810 is slidably connected to one end of the second slider 820, the other end of the second slider 820 is slidably connected to one end of the third slider 830, and the other end of the third slider 830 is connected to the second connecting member 7220. A fifth positioning hole 8310 and a sixth positioning hole 8320 are disposed on the third sliding member 830, and a third positioning column 7225 matched with the fifth positioning hole 8310 and a fourth positioning column 7227 matched with the sixth positioning hole 8320 are disposed on the second connecting member 7220. Further, when the first rotating member 7110 and the second rotating member 7120 are engaged to rotate, the second connecting member 7220 can drive the first housing 30 to rotate through the first sliding member 810, the second sliding member 820 and the third sliding member 830. Since the first supporting ribs 610 are connected to the second sliding member 820, the first supporting ribs 610 are driven to rotate when the first rotating member 7110 and the second rotating member 7120 rotate.

Further comprising a fourth slider 840 and a fifth slider 850; one end of the fourth sliding member 840 is connected to the second housing 40, and the other end is slidably connected to the fifth sliding member 850; one end of the fifth sliding member 850 is slidably connected to the fourth sliding member 840, and the other end is connected to one end of the second support rib 620 away from the support assembly 50; the end of the third support rib 630 remote from the support member 50 is connected to the fourth slider 840. When the second housing 40 is bent, the second housing 40 is slidably connected to one end of the fourth sliding member 840, and the other end of the fourth sliding member 840 is slidably connected to the fifth sliding member 850, so that the third support rib 630 connected to the fourth sliding member 840 can be driven to bend.

Referring to fig. 13 to 16, fig. 13 is a schematic structural view of an angle between a support rib 60, a first housing 30 and a second housing 40 according to an embodiment of the present disclosure, fig. 14 is a schematic structural view of the second housing 40 shown in fig. 13, fig. 15 is a schematic structural view of an angle between a support assembly 50 and the first housing 30, the second housing 40 and the support rib 60 according to an embodiment of the present disclosure, and fig. 16 is a schematic structural view of an angle between the support assembly 50 and the first housing 30 and the second housing 40 according to an embodiment of the present disclosure. The supporting member 50 is provided with a fixing member 510 at one end thereof adjacent to the first and

second housings

30 and 40; the first shell 30 and the second shell 40 are provided with mounting holes matched with the fixing pieces 510; the fixing member 510 includes a first fixing member 5110 and a second fixing member 5120, the mounting holes include a first mounting hole 320 formed in the first housing 30 and a second mounting hole 430 formed in the second housing 40, the first fixing member 5110 is matched with the first mounting hole 320, and the second fixing member 5120 is matched with the second mounting hole 430.

In an embodiment of the present application, the supporting assembly 50 is provided with 4 first fixing members 5110 and 4 second fixing members 5120 at a side close to the first shell 30 and the second shell 40, respectively, the first shell 30 is provided with 4 first mounting holes 320 matched with the 4 first fixing members 5110, and the second shell 40 is provided with a second mounting hole 430 matched with the 4 second fixing members 5120. The terms "first", "second" and "third" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any indication of the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. It should be noted that the 4 first and second mounting

holes

320 and 430 and the 4 first and

second fixing members

5110 and 5120 are only one embodiment of the present application, and not all embodiments of the present application. The number of the first mounting hole 320, the second mounting hole 430, the first fixing member 5110 and the second fixing member 5120 may also be 2, 3, 5, etc., respectively, and is not limited herein.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An outer folding flexible screen support device, comprising:

the elastic piece is arranged in the accommodating groove;

the supporting component, the both ends of supporting component respectively with first casing with the second casing is connected and lays in on the brace rod, the flexible screen with the supporting component is connected, the flexible screen be in the brace rod with can change between the horizontality to the state of buckling under the cooperation drive of support frame, the elastic component butt first casing with the second casing is in tensile state all the time at the horizontality with the state of buckling so that the flexible screen.

2. The external-folding flexible screen support device according to claim 1, wherein the support frame comprises a first support frame and a second support frame, the first support frame is arranged at one end of the first shell far away from the support assembly, and the second support frame is arranged at one end of the second shell far away from the support assembly;

the accommodating grooves comprise a first accommodating groove and a second accommodating groove, at least one first accommodating groove is formed in the first supporting frame, and at least one second accommodating groove is formed in the second supporting frame.

3. The externally folded flexible screen support device according to claim 2, wherein the number of the first receiving grooves is two, and the first receiving grooves are disposed on two opposite sides of a long side of the first support frame;

the number of the second accommodating grooves is two, and the second accommodating grooves are arranged on two opposite sides of the long edge of the second supporting frame.

4. The externally folded flexible screen support device of claim 2, wherein the first housing has a first mating member adapted to the first receiving slot, and the second housing has a second mating member adapted to the second receiving slot.

5. The externally folded flexible screen support device according to claim 4, wherein a first stop member is provided on the first support frame, the elastic member is sleeved outside the first stop member, and one end of the elastic member abuts against the first support frame;

the second supporting frame is provided with a second limiting part, the elastic piece is sleeved outside the second limiting part, and one end of the elastic piece is abutted to the second supporting frame.

6. The externally folded flexible screen support device according to claim 5, wherein the first fitting member is provided with a first fitting hole, and one end of the first fitting hole is provided with an opening and sleeved outside the elastic member;

a second matching hole is formed in the second matching piece, and an opening at one end of the second matching hole is formed in the elastic piece in a sleeved mode.

7. The externally folded flexible screen support device of claim 1, wherein the support ribs comprise a first support rib, a second support rib, and a third support rib, the first support rib is connected to the first housing, the third support rib is connected to the second housing, and the second support rib is connected to the first support rib and the third support rib, respectively.

8. The externally folded flexible screen support device of claim 7 further comprising a rotation assembly, one end of the rotation assembly being connected to the first housing and the other end being connected to the second housing, the rotation assembly being configured to drive the support assembly to reciprocate from a horizontal state to a bent state.

9. The external-folding flexible screen support device of claim 8, wherein the rotating assembly comprises a rotating member and a connecting member;

the rotating piece comprises a first rotating piece and a second rotating piece, one end of the first rotating piece is connected with the first supporting rib, and the other end of the first rotating piece is meshed with the second rotating piece to rotate; one end of the second rotating piece is connected with the second supporting rib, and the other end of the second rotating piece is connected with the first rotating piece;

the connecting piece comprises a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are respectively arranged on two opposite sides of the meshing end of the first rotating piece and the second rotating piece, and the connecting piece is used for limiting the rotating direction of the first rotating piece and the second rotating piece.

10. The out-fold flexible screen support device of claim 9, further comprising a first slide, a second slide, and a third slide;

one end of the first sliding part is connected with the first shell, and the other end of the first sliding part is connected with the second sliding part in a sliding manner; one end of the second sliding part is connected with the first sliding part in a sliding manner, the other end of the second sliding part is connected with the third sliding part in a sliding manner, one end of the third sliding part is connected with the second sliding part in a sliding manner, and the other end of the third sliding part is connected with the second connecting part;

one end, far away from the supporting component, of the first supporting rib is connected with the second sliding part, and then the first rotating part and the second rotating part can drive the first supporting rib to rotate through sliding among the first sliding part, the second sliding part and the third sliding part when rotating.

11. The out-fold flexible screen support device of claim 10, further comprising a fourth slide and a fifth slide;

one end of the fourth sliding part is connected with the second shell, and the other end of the fourth sliding part is connected with the fifth sliding part in a sliding manner; one end of the fifth sliding piece is connected with the fourth sliding piece in a sliding mode, and the other end of the fifth sliding piece is connected with one end, far away from the supporting component, of the second supporting rib;

one end, far away from the supporting component, of the third supporting rib is connected with the fourth sliding part.

12. The external-folding flexible screen support device of claim 11, wherein the support assembly is provided with a fixing member near one end of the first housing and the second housing;

the first shell and the second shell are provided with mounting holes matched with the fixing pieces; wherein the content of the first and second substances,

the mounting includes first mounting and second mounting, the mounting hole is including locating first mounting hole on the first casing with locate second mounting hole on the second casing, first mounting with first mounting hole cooperatees, the second mounting with the second mounting hole cooperatees.

13. An electronic device, comprising a flexible screen, a housing, and the outer foldable flexible screen supporting device according to any one of claims 1 to 12, wherein the outer foldable flexible screen supporting device is connected to the housing and the flexible screen, respectively, and when the flexible screen is driven by the first housing and the second housing to reciprocate from a horizontal state to a bent state, an upper surface of the supporting component is attached to a lower surface of the flexible screen.