CN209928861U - Folding screen unfolding device and terminal - Google Patents

Abstract

The utility model provides a folding screen expandes device and terminal, folding screen expandes device includes: the foldable screen comprises a first plate body, a second plate body, a telescopic connecting device and a foldable screen; the first plate body is connected with the second plate body through a rotating structure; the telescopic connecting device is arranged on the first plate body, and the moving side of the folding screen is connected with the telescopic connecting device; when the folding screen unfolding device is in a folded state, the first plate body is abutted against the second plate body, and the fixed side of the folding screen bypasses the side, far away from the rotating structure, of the second plate body and is connected with the first surface; folding screen exhibition device is switched to when expanding the state by fold condition, and the second plate body rotates for first plate body, and folding screen stretches out from the flexible connecting device, rotates to extreme position until the second plate body, and first plate body and second plate body are located the both sides of revolution mechanic and folding screen and the top surface of first plate body and the second face laminating of second plate body. In this scheme, occupation space is little when folding screen expandes and contracts, and it is convenient to use.

Description

Folding screen unfolding device and terminal

Technical Field

The utility model relates to a folding screen technical field particularly, relates to a folding screen expandes device and a terminal.

Background

By utilizing the characteristic of flexibility of the flexible screen, the intelligent mobile terminal (such as a smart phone) carrying the flexible screen can realize the switching between the folded state and the unfolded state. The existing folding scheme is not mature enough and the user experience is poor.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

In view of this, an object of the present invention is to provide a foldable screen unfolding apparatus.

Another object of the present invention is to provide a terminal having the above folding screen unfolding apparatus.

In order to achieve the above object, the present invention provides a foldable screen unfolding apparatus, including: the foldable screen comprises a first plate body, a second plate body, a telescopic connecting device and a foldable screen; the first plate body is connected with the second plate body through a rotating structure, and the two side surfaces of the second plate body are respectively a first surface and a second surface; the telescopic connecting device is arranged on the first plate body, and the moving side of the folding screen is connected with the telescopic connecting device; when the folding screen unfolding device is in a folded state, the first surface is positioned above the second surface, the first plate body is abutted against the second plate body, and the fixed side of the folding screen bypasses the side, far away from the rotating structure, of the second plate body and is connected with the first surface; folding screen exhibition device is switched to when expanding the state by fold condition, and the second plate body rotates for first plate body, and folding screen stretches out from the flexible connecting device, rotates to extreme position until the second plate body, and the second face is located first face top, and first plate body and second plate body are located rotating-structure's both sides and folding screen and the top surface of first plate body and the second face laminating of second plate body.

In this scheme, folding screen expandes the device and is located fold condition, and first plate body supports with the second plate body and leans on, and the fixed side of folding screen is walked around the second plate body and is kept away from one side of rotating-structure and be connected with the first face of second plate body upside. When folding screen expandes the device and is switched to the state of expandeing by fold condition, the second plate body passes through rotating-structure and rotates for first plate body, at second plate body pivoted in-process, the folding screen stretches out from the flexible connecting device gradually, rotate to extreme position until the second plate body, folding screen expandes the device and is in the state of expandeing this moment, first plate body and second plate body are located rotating-structure's both sides, use first plate body as the benchmark, second plate body upset back, first face is by upside upset to downside, the second face is by downside upset to upside, folding screen and top surface and the laminating of second face, even folding screen expandes this moment.

When folding screen deployment device becomes fold condition by the expansion state, the second plate body rotates along the opposite direction when expanding, and folding screen contracts gradually among the telescopic connection device, supports until second plate body and first plate body and leans on, and folding screen deployment device is in fold condition this moment to the folding screen that expands is whole to retract to rotating-structure in.

Through this scheme, folding screen expandes and contracts in-process occupation space little to folding back volume is less, and it is convenient to use, and user experience is better.

In the above technical solution, preferably, when the second plate body rotates to the limit position, the second surface and the top surface coincide in the horizontal direction.

In this scheme, when the second plate body rotated to extreme position, folding screen exhibition device was in promptly during the expansion state, the coincidence of second face and top surface on the horizontal direction made the folding screen height after the expansion unanimous, and the user of being convenient for controls.

In any of the above technical solutions, preferably, when the folding screen unfolding apparatus is in the folded state, the fixed side of the folding screen is connected to the side of the first surface close to the rotating structure.

In this scheme, folding screen expandes the device and is located fold condition, and the fixed side of folding screen is connected with one side that first face is close to rotating-structure, and folding screen covers the most ground this moment, still can use the folding screen that covers in first face when folding screen expandes the device and is in fold condition, and the ease for use is better.

In any of the above technical solutions, preferably, the telescopic connection device includes: the scroll is rotatably arranged on the first plate body, the moving side of the folding screen is fixed on the scroll, and part of the folding screen is wound outside the scroll; the reset device is connected with the first plate body and the reel, and the reset device is used for driving the reel to rotate when the folding screen unfolding device is switched to a folding state from the unfolding state, so that the stretched folding screen is rewound to the reel.

In the scheme, the moving side of the folding screen is fixed on the scroll, when the folding screen unfolding device is unfolded, the second plate body drives the folding screen to move, the scroll is pulled by the folding screen to rotate, and the folding screen which is coiled outside the scroll extends out; when the folding screen unfolding device is folded, the resetting device drives the scroll to rotate, so that the stretched folding screen is rewound outside the scroll.

In this scheme, through setting up the spool, can reduce the space that occupies when folding screen is folding, be convenient for reduce the volume that folding screen expanded the device.

In any one of the above technical solutions, preferably, the reel is disposed on one side of the first plate body away from the rotating structure, and the folding screen unfolding apparatus further includes: and the support piece is fixedly arranged on one side of the first plate body, which is far away from the rotating structure, wherein the folding screen extends to the top surface through a gap between the support piece and the first plate body.

In this scheme, folding screen extends to the top surface through the clearance between support piece and the first plate body, and support piece is located the side of first plate body, and the gripping of the first plate body of both being convenient for can protect folding screen again when folding screen takes out or withdraws, prevents that the folding screen that is located first plate body side from receiving to collide with.

In any of the above technical solutions, preferably, the reset device is a torsion spring, one end of the torsion spring is fixedly connected with the reel, the other end of the torsion spring is fixedly connected with the first plate body, and when the folding screen unfolding device is unfolded, the deformation amount of the torsion spring is gradually increased; when the folding screen unfolding device is folded, the torsion spring restores to deform so that the stretched folding screen is rewound to the reel.

In any of the above technical solutions, preferably, the rotation structure includes: the driving block is rotatably provided with a driving rotating shaft; the driven block is fixedly provided with a driven rotating shaft, and the driven rotating shaft is connected with the driving rotating shaft through a transmission device; one of the driving block and the driven block is fixedly arranged on the first plate body, and the other one of the driving block and the driven block is fixedly arranged on the second plate body.

In this scheme, the initiative piece can rotate for driven fast to realize the relative rotation of first plate body and second plate body.

In any of the above technical solutions, preferably, the rotating structure further includes: and the driving device is fixedly arranged on the driving block and is in transmission connection with the driving rotating shaft, and the driving device can drive the driving rotating shaft to rotate so as to enable the driving block to rotate relative to the driven block.

In this scheme, drive arrangement can drive the initiative piece and rotate for the driven part to can realize folding screen exhibition device's automatic opening, it is more convenient that the user uses.

In any of the above technical solutions, preferably, the rotating structure further includes: the shell, the driving rotating shaft, the driven rotating shaft and the transmission device are arranged in the shell.

In this scheme, the casing can protect initiative pivot, driven spindle and transmission, reduces the possibility of initiative pivot, driven spindle and transmission damage. Meanwhile, the use safety can be improved when the rotating structure works, and the driving rotating shaft, the driven rotating shaft and the transmission device are prevented from hurting people.

In any of the above solutions, preferably, the transmission device includes: the driving gear is fixedly arranged outside the driving rotating shaft; the driven gear is fixedly arranged outside the driven rotating shaft; and the transmission gear is rotatably arranged on the shell and is meshed with the driving gear and the driven gear.

In this scheme, drive the driving gear and rotate when initiative pivot rotates, driven gear and the epaxial driven gear meshing of driving gear and driven, because driven shaft fixes on the driven piece, the initiative piece rotates for the driven piece when initiative pivot rotates to realize folding expansion of screen expansion device or folding.

In any of the above technical solutions, preferably, the housing includes: the connecting plate is sleeved outside the driving rotating shaft and the driven rotating shaft, and the transmission gear is rotatably arranged on the connecting plate; the barrel, with connecting plate fixed connection, be equipped with first arc portion on the first plate body, be equipped with second arc portion on the second plate body, first arc portion and second arc portion can laminate with the barrel at least part, and wherein, folding screen expandes the device when switching between fold condition and expansion state, first arc portion trade with the second arc portion along the outer wall of barrel slide, with the relative rotation of realization first plate body and second plate body.

In any one of the above technical solutions, preferably, the cylinder includes: the device comprises a first arc-shaped plate, a second arc-shaped plate and two flat plates; the first arc-shaped plate and the second arc-shaped plate are oppositely arranged and are semicircular with equal diameters; each flat plate is fixed with the first arc-shaped plate and the second arc-shaped plate at the same time to limit a cylinder; the first arc portion includes: the first bent plate is a quarter circle, and the inner diameter of the first bent plate is equal to the outer diameter of the first arc-shaped plate; the first flat plate is fixedly connected with the first bent plate and is tangent to the first bent plate; the second arc portion includes: the second bent plate is a quarter circle, and the inner diameter of the second bent plate is equal to the outer diameter of the second arc-shaped plate; the second flat plate is fixedly connected with the second bent plate and tangent to the second bent plate, and the sum of the widths of the first flat plate and the second flat plate is not more than the width of the flat plate; when the folding screen unfolding device is in an unfolding state, the first bending plate and the second bending plate are tangent to the flat plate close to the folding screen, and the first flat plate and the second flat plate are attached to the flat plate close to the folding screen.

In any of the above technical solutions, preferably, the first flat plate extends to the top surface, the second flat plate extends to the second surface, and a sum of widths of the first flat plate and the second flat plate is equal to a width of the flat plate, wherein when the folding screen unfolding apparatus is in the folded state, the top surface and the second surface are attached to each other.

The utility model discloses technical scheme of second aspect provides a terminal, folding screen including among the arbitrary technical scheme of first aspect expandes the device.

In this scheme, because the terminal includes the folding screen unfolding apparatus in any technical scheme of the first aspect, all advantages of the above technical schemes are achieved, and details are not repeated here.

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

Drawings

Fig. 1 is a plan view of a folded state of a folding screen unfolding apparatus according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of section A-A of FIG. 1;

fig. 3 is a partially enlarged view of a portion C in fig. 2;

FIG. 4 is a cross-sectional view of section B-B of FIG. 1;

fig. 5 is a partial enlarged view of a portion D in fig. 4;

fig. 6 is a partially enlarged view of portion F of fig. 5;

fig. 7 is a partial enlarged view of portion E of fig. 5;

fig. 8 is a sectional view of the folding-screen unfolding apparatus according to an embodiment of the present invention when switching between the folded state and the unfolded state;

fig. 9 is a partial enlarged view of portion G of fig. 8;

fig. 10 is a sectional view of the folding-screen unfolding apparatus according to an embodiment of the present invention when switching between the folded state and the unfolded state;

fig. 11 is a partial enlarged view of a portion H in fig. 10;

fig. 12 is an exploded view of a partial structure of a folding screen unfolding apparatus according to an embodiment of the present invention, when switching between a folded state and an unfolded state;

fig. 13 is a partially enlarged view of portion I of fig. 12;

fig. 14 is a partially enlarged view of portion J of fig. 12;

fig. 15 is a partial enlarged view of portion K in fig. 12;

fig. 16 is a sectional view showing an unfolded state of the folding screen unfolding apparatus according to an embodiment of the present invention;

fig. 17 is a partially enlarged view of a portion M in fig. 16.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 17 is:

10 a first plate body, 11 a top surface, 12 a first arc-shaped part, 121 a first bent plate, 122 a first flat plate, 13 a sleeve, 20 a second plate body, 21 a first surface, 22 a second surface, 23 a second arc-shaped part, 231 a second bent plate, 232 a second flat plate, 30 a folding screen, 31 a fixed side, 32 a moving side, 40 a telescopic connecting device, 41 a scroll, 42 a resetting device, 50 a rotating structure, 51 a driving block, 52 a driving rotating shaft, 53 a driven block, 54 a driven rotating shaft, 55 a transmission device, 551 a driving gear, 552 a driven gear, 553 a transmission gear, 56 a driving device, 57 a shell, 571 a connecting plate, 572 a cylinder body, 5721 a first arc-shaped plate, 5722 a second arc-shaped plate, 5723 a flat plate and 60 supporting pieces.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings, which are illustrated in the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

Some embodiments according to the invention are described below with reference to fig. 1 to 17.

As shown in fig. 1 to 17, an embodiment of the first aspect of the present invention provides a folding screen 30 unfolding apparatus, including: the foldable screen comprises a first board body 10, a second board body 20, a telescopic connecting device 40 and a foldable screen 30; the first plate body 10 is connected with the second plate body 20 through a rotating structure 50, and two side surfaces of the second plate body are respectively a first surface 21 and a second surface 22; the telescopic connecting device 40 is arranged on the first plate body 10, and the moving side 32 of the folding screen 30 is connected with the telescopic connecting device 40; when the unfolding device of the folding screen 30 is in a folded state, the first surface 21 is located above the second surface 22, the first board body 10 abuts against the second board body 20, and the fixed side 31 of the folding screen 30 bypasses the side of the second board body 20 far away from the rotating structure 50 and is connected with the first surface 21 on the upper side of the second board body 20; when the folding screen 30 unfolding device is switched from the folding state to the unfolding state, the second plate body 20 rotates relative to the first plate body 10, the folding screen 30 extends out from the telescopic connection device 40 until the second plate body 20 rotates to the limit position, the first plate body 10 and the second plate body 20 are located on two sides of the rotating structure 50, and the folding screen 30 is attached to the top surface 11 of the first plate body 10 and the second surface 22 of the second plate body 20.

In this scheme, when thefoldable screen 30 unfolding apparatus is located in the folded state, thefirst plate 10 abuts against thesecond plate 20, and the fixedside 31 of thefoldable screen 30 bypasses thesecond plate 20 and is far away from one side of the rotatingstructure 50 and is connected with thefirst surface 21 on the upper side of thesecond plate 20. When thefolding screen 30 unfolding device is switched to the unfolding state from the folding state, thesecond plate body 20 rotates relative to thefirst plate body 10 through the rotatingstructure 50, in the rotating process of thesecond plate body 20, thefolding screen 30 gradually extends out from the telescopic connection device 40 until thesecond plate body 20 rotates to the limit position, at the moment, thefolding screen 30 unfolding device is in the unfolding state, thefirst plate body 10 and thesecond plate body 20 are located at two sides of the rotatingstructure 50, thefirst plate body 10 is used as a reference, thesecond plate body 20 is overturned, thefirst surface 21 is overturned to the lower side from the upper side, the second surface 22 is overturned to the upper side from the lower side, thefolding screen 30 is attached to the top surface 11 and the second surface 22, at the moment, even if thefolding screen 30 is.

When the unfolding device of thefoldable screen 30 is changed from the unfolded state to the folded state, thesecond panel 20 rotates in the opposite direction when being unfolded, thefoldable screen 30 gradually retracts into the telescopic connection device 40 until thesecond panel 20 abuts against thefirst panel 10, at this time, the unfolding device of thefoldable screen 30 is in the folded state, and the unfoldedfoldable screen 30 is completely retracted into the rotating structure 56.

Through this scheme,folding screen 30 expandes and contracts in-process occupation space little to folding back volume is less, and it is convenient to use.

Thesecond plate 20 rotates to the limit position, and thefirst plate 10 and thesecond plate 20 are located at two sides of the rotatingstructure 50, that is, in a direction parallel to the second surface 22 and perpendicular to the rotating axial direction, thefirst plate 10 and thesecond plate 20 are located at two sides of the rotatingstructure 50.

In the above embodiment, preferably, when thesecond plate 20 is rotated to the limit position, the second surface 22 and the top surface 11 are horizontally overlapped.

In this scheme, when thesecond plate 20 rotates to the limit position, that is, when the device for unfolding thefoldable screen 30 is in the unfolded state, the second surface 22 and the top surface 11 are overlapped in the horizontal direction, so that the height of the unfoldedfoldable screen 30 is consistent, and the user can conveniently control the device.

In any of the above embodiments, as shown in fig. 4 and 7, preferably, when the unfolding apparatus of thefolding screen 30 is in the folded state, the fixedside 31 of thefolding screen 30 is connected to the side of thefirst surface 21 close to the rotatingstructure 50.

In this scheme,folding screen 30 expandes the device and is located fold condition, andfolding screen 30's fixedside 31 is connected with one side that first face 21 is close to rotating-structure 50, andfolding screen 30 covers the most part ground this moment, still can use thefolding screen 30 that covers onfirst face 21 when foldingscreen 30 expandes the device and is in fold condition, and the ease for use is better.

As shown in fig. 2, 4 and 5, in any of the above embodiments, preferably, the telescopic connection device 40 includes: areel 41 rotatably provided on thefirst plate 10, the movingside 32 of thefolding screen 30 being fixed to thereel 41 and a part of thefolding screen 30 being wound around thereel 41; and areset device 42 connected to thefirst plate 10 and the windingshaft 41, wherein thereset device 42 is configured to drive the windingshaft 41 to rotate when the unfolding device of thefoldable screen 30 is switched from the unfolded state to the folded state, so that the extendedfoldable screen 30 is rewound onto the windingshaft 41.

In the scheme, the movingside 32 of thefolding screen 30 is fixed on thescroll 41, when the unfolding device of thefolding screen 30 is unfolded, thesecond plate body 20 drives thefolding screen 30 to move, thescroll 41 is pulled by thefolding screen 30 to rotate, and thefolding screen 30 which is coiled outside thescroll 41 extends out; when thefolding screen 30 unfolding device folds, thereset device 42 drives the rollingshaft 41 to rotate, so that theextended folding screen 30 is rewound outside the rollingshaft 41.

In this scheme, through setting upspool 41, can reduce the space that occupies when foldingscreen 30 is folding, be convenient forreduce folding screen 30 and launch the volume of device.

As shown in fig. 5 and 13, in any of the above embodiments, preferably, the windingshaft 41 is disposed on a side of thefirst plate 10 away from the rotatingstructure 50, and the unfolding apparatus for thefoldable screen 30 further includes: and a supportingmember 60, wherein the supportingmember 60 is fixedly disposed on a side of thefirst board 10 away from the rotatingstructure 50, and thefoldable screen 30 extends to the top surface 11 through a gap between the supportingmember 60 and thefirst board 10.

In this scheme,folding screen 30 extends to top surface 11 through the clearance betweensupport piece 60 and thefirst plate body 10, andsupport piece 60 is located the side offirst plate body 10, and the gripping of thefirst plate body 10 of both being convenient for can protectfolding screen 30 again when foldingscreen 30 takes out or withdraws, prevents thatfolding screen 30 that is locatedfirst plate body 10 side from receiving and colliding with.

Specifically, the supportingmember 60 is integrally formed with a side of thefirst board body 10 away from thesecond board body 20, and the supportingmember 60 extends from a side of thefirst board body 10 away from thesecond board body 20 to a side of thefirst board body 10 close to thesecond board body 20, so that a gap for thefolding screen 30 to enter and exit is formed between the supporting member and thefirst board body 10.

In any of the above embodiments, preferably, the restoringdevice 42 is a torsion spring, one end of the torsion spring is fixedly connected to the windingshaft 41, and the other end of the torsion spring is fixedly connected to thefirst plate 10, and when the unfolding device of thefolding screen 30 is unfolded, the deformation amount of the torsion spring is gradually increased; when the unfolding device of thefolding screen 30 is folded, the torsion spring restores the deformation, so that theextended folding screen 30 is rewound onto thereel 41.

As shown in fig. 2 and 13, the return means 42 is, specifically, a torsion spring connected to both ends of thespool 41. Be equipped withsleeve 13 on the sliding block,sleeve 13 is two and locates the both sides of sliding block, and the both ends ofspool 41 are embedded insleeve 13 to realize the rotation ofspool 41 and sliding block and be connected. The torsion spring is spirally arranged between thereel 41 and thesleeve 13 and sleeved outside thereel 41, and two ends of the torsion spring are respectively fixedly connected (welded or screwed) with the inner wall of thesleeve 13 and the outer wall of thereel 41.

In any of the above embodiments, preferably, the rotatingstructure 50 includes: the drivingblock 51, the drivingblock 51 is rotatably provided with a drivingrotating shaft 52; a driven rotatingshaft 54 is fixed on the drivenblock 53, and the driven rotatingshaft 54 is connected with the drivingrotating shaft 52 through atransmission device 55; one of the drivingblock 51 and the drivenblock 53 is fixed on thefirst plate 10, and the other is fixed on thesecond plate 20.

In this embodiment, the drivingblock 51 can rotate relatively to the driven block, so as to realize the relative rotation between thefirst board 10 and thesecond board 20.

In this embodiment, an installation groove is formed in thesecond plate body 20, and theactive block 51 is embedded in the installation groove, so that theactive block 51 and thesecond plate body 20 are fixed. An installation groove is formed in thefirst plate body 10, and the drivenblock 53 is embedded in the installation groove, so that the drivenblock 53 is fixed on thefirst plate body 10.

Here, thesecond plate 20 and the drivingblock 51, and thefirst plate 10 and the drivenblock 53 may also be connected by bolts or screws, which are not described in detail herein.

It should be noted that the drivingblock 51 may also be disposed on thefirst board 10, and the drivenblock 53 is disposed on thesecond board 20, so as to achieve the above-mentioned technical effects, which will not be described herein again.

In any of the above embodiments, preferably, the rotatingstructure 50 further includes: and the driving device 56 (for example, a motor) is fixedly arranged on the drivingblock 51, a rotating shaft of the motor is fixedly connected with the drivingrotating shaft 52, and the driving device 56 can drive the drivingrotating shaft 52 to rotate so as to enable the drivingblock 51 to rotate relative to the drivenblock 53.

In the scheme, the driving device 56 can drive the drivingblock 51 to rotate relative to the drivenblock 53, so that the automatic opening of the unfolding device of thefolding screen 30 can be realized, and the use by a user is more convenient.

In any of the above embodiments, preferably, the rotatingstructure 50 further includes: thehousing 57, the drivingrotation shaft 52, the drivenrotation shaft 54 and thetransmission 55 are disposed in thehousing 57.

In this embodiment, thehousing 57 can protect the drivingrotating shaft 52, the driven rotatingshaft 54 and thetransmission device 55, and reduce the possibility of damage to the drivingrotating shaft 52, the driven rotatingshaft 54 and thetransmission device 55. Meanwhile, the rotatingstructure 50 can improve the safety of use when in operation, and prevent thedriving rotating shaft 52, the driven rotatingshaft 54 and thetransmission device 55 from hurting people.

In any of the above embodiments, preferably, thetransmission 55 comprises: a drivinggear 551 fixed outside the driving shaft 52 (connected with the driving shaft 52); a drivengear 552 fixedly provided outside the driven rotation shaft 54 (keyed with the driven rotation shaft 54); thetransmission gear 553, thetransmission gear 553 is fixedly provided with a rotating shaft, the rotating shaft is rotatably arranged on thehousing 57, and the transmission gear is engaged with thedriving gear 551 and the drivengear 552.

In the scheme, thedriving gear 551 is driven to rotate when the drivingrotating shaft 52 rotates, the drivengear 552 is meshed with thedriving gear 551 and the drivengear 552 on the driven rotatingshaft 54, and the driven rotatingshaft 54 is fixed on the drivenblock 53, so that the drivingblock 51 rotates relative to the drivenblock 53 when the drivingrotating shaft 52 rotates, and the unfolding or folding of the unfolding device of thefolding screen 30 is realized.

In any of the above embodiments, preferably, thehousing 57 includes: the connectingplate 571 is sleeved outside the drivingrotating shaft 52 and the driven rotatingshaft 54, and thetransmission gear 553 is rotatably arranged on the connectingplate 571; thebarrel 572 is fixedly connected with the connectingplate 571, thefirst plate 10 is provided with a first arc-shaped portion 12, thesecond plate 20 is provided with a second arc-shaped portion 23, the first arc-shaped portion 12 and the second arc-shaped portion 23 can be at least partially attached to thebarrel 572, wherein when thefolding screen 30 unfolding device is switched between the folding state and the unfolding state, the first arc-shaped portion 12 slides along the outer wall of thebarrel 572 together with the second arc-shaped portion 23, and the relative rotation between thefirst plate 10 and thesecond plate 20 is realized.

In any of the above embodiments, preferably, the barrel 572 includes: a first curved plate 5721, a second curved plate 5722, and two flat plates 5723; the first arc-shaped plate 5721 and the second arc-shaped plate 5722 are oppositely arranged and are semicircular with equal diameters; each flat plate 5723 is secured to both the first and second arcuate plates 5721, 5722 to define a barrel 572; the first arc-shaped portion 12 includes: a first bent plate 121, wherein the first bent plate 121 is a quarter circle and has an inner diameter equal to the outer diameter of the first arc-shaped plate 5721; a first flat plate 122 fixedly connected to the first bending plate 121 and tangent to the first bending plate 121; the second arc-shaped portion 23 includes: the second bent plate 231 is a quarter circle, and the inner diameter of the second bent plate 231 is equal to the outer diameter of the second arc-shaped plate 5722; a second plate 232 fixedly connected to the second bending plate 231 and tangent to the second bending plate 231, the sum of the widths of the first plate 122 and the second plate 232 is not greater than the width of the plate 5723, wherein when the unfolding apparatus of the folding screen 30 is in the folded state, the first bending plate 121 and the second bending plate 231 are tangent to the plate 5723 away from the folding screen 30; when the device for unfolding a folding screen 30 is in the unfolded state, the first bending plate 121 and the second bending plate 231 are tangent to the flat plate 5723 adjacent to the folding screen 30, and the first flat plate 122 and the second flat plate 232 are attached to the flat plate 5723 adjacent to the folding screen 30.

In any of the above embodiments, preferably, thefirst plate 122 extends to the top surface 11, thesecond plate 232 extends to the second surface 22, and the sum of the widths of thefirst plate 122 and thesecond plate 232 is equal to the width of theplate 5723, wherein the top surface 11 and the second surface 22 are attached when the unfolding apparatus of thefolding screen 30 is in the folded state.

Specifically, when thefoldable screen 30 is folded, as shown in fig. 4 and 7, the top surface 11 and the second surface 22 are attached, the firstflat plate 122 and the secondflat plate 232 are attached to theflat plate 5723, the firstbent plate 121 is attached to the first arc portion 12, and the secondbent plate 231 is attached to the second arc portion 23.

When the unfolding apparatus of thefolding screen 30 is unfolded, as shown in fig. 8 to 11, thesecond bending plate 231 rotates along the outer wall of the second arc, thefirst bending plate 121 is attached to the outer wall of the first arc 12 and the object gradually rotates along with thesecond plate 20 until thesecond plate 20 rotates to the limit position, as shown in fig. 16 and 17, a top surface and a second surface 22 are coplanar, and theflat plate 5723 adjacent to thefolding screen 30 is coplanar with the top surface 11 and the second surface 22.

In any of the above embodiments, preferably, thefolding screen 30 includes a flexible screen (e.g., an OLED flexible screen), a substrate layer, and a plurality of strip-shaped keels; the flexible screen is bonded with the substrate layer; a plurality of bar fossil fragments intervals set up the one side of keeping away from the flexible screen at the substrate layer, and the length direction of bar fossil fragments is perpendicular with the gliding direction of slidingblock 20.

In this scheme,folding screen 30 is by the flexible screen, substrate layer and the several bar fossil fragments of arranging in proper order. The flexible screen is bonded with the base material layer and is attached to the base material layer, and the strip-shaped keels are sequentially arranged on one side, far away from the flexible screen, of the base material layer. The substrate layer can provide the support for flexible screen, reduces the deformation of flexible screen, is convenient for prolong the life of flexible screen. Meanwhile, the bar-shaped keel can limit the folding of thefolding screen 30, so that the bending of the flexible screen is limited, and the service life of the flexible screen is prolonged conveniently. While facilitating the winding of thefolding screen 30 on the roller 4170. Simultaneously substrate layer and bar fossil fragments can also compensate the difference in height between slidingblock 20 and the fixedblock 10, are convenient formake folding screen 30 level and smooth.

The flexible screen is a bendable display screen (such as a bendable display screen implemented by a flexible screen represented by OLED technology or other technologies). An embodiment of the second aspect of the present invention provides a terminal, including a folding screen unfolding apparatus in any embodiment of the first aspect.

In this scheme, because the terminal includes the folding screen unfolding apparatus in any technical scheme of the first aspect, all advantages of the above technical schemes are achieved, and details are not repeated here.

The terminal comprises a mobile terminal such as a mobile phone and a tablet personal computer, and equipment on an automobile, an airplane, a high-speed train and a ship, such as control end equipment which can be extended out of a cab, audio-visual equipment on a passenger seat, and display equipment such as a television and a display.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

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

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (14)

1. A folding screen deployment apparatus, comprising:

the foldable screen comprises a first plate body, a second plate body, a telescopic connecting device and a foldable screen;

the first plate body is connected with the second plate body through a rotating structure, and two side surfaces of the second plate body are respectively a first surface and a second surface;

the telescopic connecting device is arranged on the first plate body, and the moving side of the folding screen is connected with the telescopic connecting device;

when the folding screen unfolding device is in a folded state, the first surface is positioned above the second surface, the first plate body is abutted against the second plate body, and the fixed side of the folding screen bypasses the second plate body and is far away from one side of the rotating structure and is connected with the first surface;

folding screen deployment device is switched to when the expansion state by fold condition, the second plate body for first plate body rotates, folding screen follows telescopic connection device stretches out, until the second plate body rotates to extreme position, the second face is located first face top, first plate body with the second plate body is located revolution mechanic's both sides just folding screen with the top surface of first plate body and the laminating of second face.

2. The folding-screen unfolding apparatus according to claim 1,

when the second plate body rotates to the limit position, the top surface is superposed with the second surface.

3. The folding-screen unfolding apparatus according to claim 1,

when the folding screen unfolding device is located in a folding state, the fixed side and the first face of the folding screen are close to one side of the rotating structure to be connected.

4. A folding screen deployment apparatus as claimed in any one of claims 1 to 3, wherein the telescopic connection means comprises:

the scroll is rotatably arranged on the first plate body, the moving side of the folding screen is fixed on the scroll, and part of the folding screen is wound outside the scroll;

resetting means, with first plate body and the spool is connected, resetting means is used for folding screen exhibition device follows the expansion state switches to drive during folded state the spool rotates, makes the folding screen rollback that stretches out extremely on the spool.

5. The foldable screen unfolding apparatus according to claim 4, wherein said reel is disposed on a side of said first plate body away from said rotating structure, said foldable screen unfolding apparatus further comprising:

the supporting piece is fixedly arranged on one side of the first plate body far away from the rotating structure,

wherein the folding screen extends to the top surface through a gap between the support member and the first plate body.

6. The folding screen unfolding apparatus according to claim 4, wherein the resetting device is a torsion spring, one end of the torsion spring is fixedly connected with the reel, the other end of the torsion spring is fixedly connected with the first plate body, and when the folding screen unfolding apparatus is unfolded, the deformation amount of the torsion spring is gradually increased; when the folding screen unfolding device is folded, the torsion spring restores to deform so that the stretched folding screen is rewound to the reel.

7. The folding-screen unfolding apparatus according to any one of claims 1 to 3, wherein said rotating structure comprises:

the driving block is rotatably provided with a driving rotating shaft;

the driven block is fixedly provided with a driven rotating shaft, and the driven rotating shaft is connected with the driving rotating shaft through a transmission device;

one of the driving block and the driven block is fixedly arranged on the first plate body, and the other one of the driving block and the driven block is fixedly arranged on the second plate body.

8. The folding screen unfolding apparatus according to claim 7, wherein said rotating structure further comprises:

and the driving device is fixedly arranged on the driving block and is in transmission connection with the driving rotating shaft, and the driving device can drive the driving rotating shaft to rotate so that the driving block rotates relative to the driven block.

9. The folding screen unfolding apparatus according to claim 7, wherein said rotating structure further comprises:

the shell, the initiative pivot, driven spindle and transmission locates in the shell.

10. The folding screen unfolding apparatus of claim 9, wherein said transmission means comprises:

the driving gear is fixedly arranged outside the driving rotating shaft;

the driven gear is fixedly arranged outside the driven rotating shaft;

and the transmission gear is rotationally arranged on the shell and is meshed with the driving gear and the driven gear.

11. The folding screen unfolding apparatus of claim 10, wherein said housing comprises:

the connecting plate is sleeved outside the driving rotating shaft and the driven rotating shaft, and the transmission gear is rotatably arranged on the connecting plate;

a cylinder body fixedly connected with the connecting plate, wherein a first arc-shaped part is arranged on the first plate body, a second arc-shaped part is arranged on the second plate body, the first arc-shaped part and the second arc-shaped part can be at least partially attached to the cylinder body,

wherein, folding screen expandes the device be in fold condition with when switching between the expansion state, first arc portion trade with second arc portion follows the outer wall of barrel slides, with the realization first plate body with the relative rotation of second plate body.

12. The folding screen deployment device of claim 11, wherein the cartridge comprises:

the device comprises a first arc-shaped plate, a second arc-shaped plate and two flat plates;

the first arc-shaped plate and the second arc-shaped plate are oppositely arranged and are semicircular with equal diameters;

each flat plate is fixed with the first arc-shaped plate and the second arc-shaped plate simultaneously to limit the cylinder;

the first arc portion includes:

the first bent plate is a quarter circle, and the inner diameter of the first bent plate is equal to the outer diameter of the first arc-shaped plate;

the first flat plate is fixedly connected with the first bent plate and is tangent to the first bent plate;

the second arc portion includes:

the second bent plate is a quarter circle, and the inner diameter of the second bent plate is equal to the outer diameter of the second arc-shaped plate;

a second flat plate fixedly connected with the second bent plate and tangent to the second bent plate, wherein the sum of the widths of the first flat plate and the second flat plate is not more than the width of the flat plate,

when the folding screen unfolding device is in a folding state, the first bending plate and the second bending plate are tangent to the flat plate far away from the folding screen; when the folding screen unfolding device is in an unfolding state, the first bending plate and the second bending plate are tangent to the flat plate close to the folding screen, and the first flat plate and the second flat plate are attached to the flat plate close to the folding screen.

13. The folding-screen unfolding apparatus according to claim 12,

the first plate extending to the top face, the second plate extending to the second face, and a sum of widths of the first plate and the second plate being equal to a width of the plates,

when the folding screen unfolding device is in a folding state, the top surface is attached to the second surface; when the folding screen is in the unfolded state, the top surface, the second surface and the flat plate close to the folding screen are coplanar.

14. A terminal characterized by comprising the folding-screen unfolding apparatus according to any one of claims 1 to 13.

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