CN210836900U

CN210836900U - Flexible screen equipment of infolding

Info

Publication number: CN210836900U
Application number: CN201922063072.1U
Authority: CN
Inventors: 陈荣; 许钰锋; 王冉
Original assignee: Dongguan Huanli Intelligent Technology Co ltd
Current assignee: Dongguan Huanli Intelligent Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-06-23
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses an inward-folding flexible screen device, which comprises a left shell and a right shell, wherein a hinge mechanism for realizing synchronous inward-folding rotation and installing a flexible screen is arranged between the left shell and the right shell; the hinge mechanism also comprises a torsion mechanism which is arranged among the first shrimp shell piece, the second shrimp shell piece and the third shrimp shell piece and is used for providing torsion and driving the left shell and the right shell to synchronously limit and rotate when the three shrimp shell pieces rotate; two sides of the torsion mechanism are symmetrically provided with two synchronous mechanisms which are used for guiding and rotating the three shrimp shell pieces by respective axes and are matched with the torsion mechanism to drive the left shell and the right shell to synchronously link; the hinge mechanism also comprises two locking mechanisms, and a lock pin of each locking mechanism is matched with a locking hole to lock the left shell and the right shell which are completely unfolded; the utility model discloses a locking mechanical system who is equipped with makes the casing when expandeing completely, locks the hinge mechanism, avoids the unexpected rotation of casing, improves simultaneously and feels to the use of equipment.

Description

Flexible screen equipment of infolding

Technical Field

The utility model relates to an electronic equipment technical field, in particular to flexible screen equipment of infolding.

Background

The folding mobile phone is a common model of the mobile phone, the storage of the eastern people is very matched with the folding machine, the feeling of the eastern people is quite old, and the folding mobile phone is a favorite book of many business people. The devices of the invaginated flexible screen are also gradually moving to the market, wherein the hinge mechanism of the invaginated flexible screen device is an important mechanism of the invaginated flexible screen device, but the hinge mechanism has the following defects in the production process applied to the invaginated flexible screen:

1) however, the conventional hinge structure is generally more complex in structure and higher in manufacturing cost, a component is easily damaged or irreversible damage is caused to the flexible screen in the long-time use process of the hinge with the complex structure, the complex hinge mechanism is inconvenient for mounting the flexible screen, and the conventional hinge structure cannot be used for mounting a narrow frame and a full screen;

2) the general hinge of hinge structure for flexible screen of interior book multisection of current is when rotating, and its inner structure's linkage feedback nature is relatively poor, and the hinge pivoted action smoothness nature can not obtain the assurance, and traditional interior book hinge for flexible screen equipment does not possess angle limit function yet.

3) The hinge structure for the traditional fold-in flexible screen device lacks necessary locking mechanism when being unfolded completely, so that the shell of the device is easy to rotate accidentally, the use of the device is inconvenient, and even irreversible damage can be caused to the device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible screen equipment of infolding, hinge structure manufacturing cost who uses with the current flexible screen cell-phone that proposes in solving above-mentioned background art is higher, and the hinge of complex construction is in long-time use, the component damage of easily taking place or lead to the fact irreversible damage to flexible screen, influence folding electronic equipment's life, lack necessary locking mechanical system simultaneously, make the easy unexpected rotation of casing of equipment, the problem of the use of equipment of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: an inward-folding flexible screen device comprises a left shell and a right shell, wherein a hinge mechanism for realizing synchronous inward-folding rotation of the left shell and the right shell and installing a flexible screen is arranged between the left shell and the right shell; the hinge mechanism comprises a first shrimp shell piece, a second shrimp shell piece and a third shrimp shell piece which are horizontally arranged between the left shell and the right shell;

the hinge mechanism also comprises a torsion mechanism which is arranged among the first shrimp shell piece, the second shrimp shell piece and the third shrimp shell piece and is used for providing torsion and driving the left shell and the right shell to synchronously limit and rotate when the three shrimp shell pieces rotate;

two sides of the torsion mechanism are symmetrically provided with two synchronizing mechanisms which are arranged among the first shrimp shell piece, the second shrimp shell piece and the third shrimp shell piece, are used for guiding and rotating the three shrimp shell pieces by respective axes and are matched with the torsion mechanism to drive the left shell and the right shell to synchronously link, and the synchronizing mechanisms are also provided with stop mechanisms which are used for guiding the rotation of the three shrimp shell pieces and preventing the over-folding;

the hinge mechanism also comprises two locking mechanisms, and the lock pin of the locking mechanism is matched with the locking hole to lock the left shell and the right shell which are completely unfolded.

As a preferred technical proposal of the utility model, the torsion mechanism comprises two bearing frames which are oppositely arranged and are arranged at the middle part of the inner side of the first shrimp shell part through screws, a toothed bearing seat is arranged between the two bearing frames, two ends of the toothed bearing seat are both provided with two first toothed lifting cantilevers which are meshed with each other and provide rotating torsion, the teeth at the two sides of the toothed bearing seat are both meshed and connected with a fin which further provides rotating torsion, one end of the two fins is rotationally connected with a guide slide block through a hinge seat which is arranged and matched with a pin shaft, the two guide slide blocks are respectively and slidably connected with two sliding seats arranged at the inner sides of the left shell body and the right shell body, one side of the two first toothed lifting cantilevers at the same side is horizontally provided with two second toothed lifting cantilevers, the toothed bearing seat penetrates through one end of the corresponding first toothed lifting cantilevers and one end of the second toothed lifting cantilevers through two pin shafts to, the tooth-shaped ends of the two fins are rotatably connected with the middle parts of the corresponding first tooth-shaped lifting cantilevers and the other ends of the corresponding second tooth-shaped lifting cantilevers through two pin shafts, the other ends of the two first tooth-shaped lifting cantilevers are correspondingly installed on limiting seats on the inner sides of the second shrimp shell piece and the third shrimp shell piece through convex columns in a sliding connection mode, and the first shrimp shell piece, the second shrimp shell piece, the third shrimp shell piece and the shell are synchronously rotated.

As a preferred technical proposal of the utility model, the synchronizing mechanism comprises a first ladder-shaped arc-shaped part which is fixedly arranged at the inner side of a first inner cover plate, one side of the first ladder-shaped arc-shaped part is provided with a first arc-shaped limiting groove which is in sliding connection with a first crescent-shaped limiting part fixedly arranged at the bottom of the first cover plate connecting piece, the bottom of one side of the first cover plate connecting piece is provided with a first connecting baffle plate through a screw, the arc part at one end of the first connecting baffle plate is just opposite to the notch position arranged at the groove wall at one side of the first arc-shaped limiting groove, the synchronizing mechanism also comprises a second ladder-shaped arc-shaped part which is fixedly arranged at the inner side of a second inner cover plate and is symmetrically arranged with the first ladder-shaped arc-shaped part, one side of the second ladder-shaped arc-shaped part is provided with a second arc-shaped limiting groove which is in sliding connection with a second crescent-shaped limiting part fixedly arranged at the bottom of the second cover plate connecting piece, the bottom, the arc-shaped part at one end of the second connecting separation blade is opposite to the notch position arranged on the groove wall on one side of the second arc-shaped limiting groove, and the arc-shaped part and the notch are matched to form a stop mechanism of the synchronizing mechanism.

As a preferred technical scheme of the utility model, locking mechanical system is two to the correspondence sets up in one side of two lazytongs, locking mechanical system includes through screw fixed mounting in the inboard T type tapered end of first inner decking, the locked groove of T type lock seat is arranged in to the spring bolt of T type tapered end, and the spring bolt of T type tapered end sets up the closure hole one that runs through, the lock seat cavity with the inside intercommunication of locked groove is all seted up to the both sides of T type lock seat, equal slidable mounting has with lock groove matched with lockpin one in two lock seat cavities, the pot head of lockpin one is equipped with the spring one that is used for elastic reset, and the end cover of spring one end and lock seat cavity end installation is inconsistent, T type lock seat passes through the inboard of screw fixed mounting in the second inner decking.

As a preferred technical scheme of the utility model, locking mechanical system is one, and correspond and set up between one of them lazytongs and torque mechanism, locking mechanical system includes through screw fixed mounting in the inboard U type lock seat of first inner decking, locking hole two has all been opened to the both sides of U type lock seat, locking mechanical system still includes through screw fixed mounting in the inboard style of calligraphy lock head of second inner decking, the cavity has been opened to the one end of style of calligraphy lock head, the inside slidable mounting of cavity has two lockpins two, the chamber wall that the cavity was passed to the one end of two lockpins two alternates with two locking hole two respectively and is connected, and the other end of two lockpins two alternates with two both ends of the spring in arranging the cavity in respectively and be connected.

As a preferred technical scheme of the utility model, the inboard of left side casing is passed through the screw and is fixed with the installation of first inner decking, and the inboard of right side casing is passed through the screw and is fixed with the installation of second inner decking, and the inboard top of first shrimp shell spare has apron in the third through screw fixed mounting, and the top of apron all is in same horizontal plane in first inner decking, the second and the third.

As a preferred technical scheme of the utility model, first screen mounting panel is still installed to the inboard of left side casing, and second screen mounting panel is still installed to the inboard of right side casing, and one side bottom of first screen mounting panel is fixed through screw and first inner cup top installation, and one side bottom of second screen mounting panel is fixed through screw and second inner cup top installation, and the flexible screen of infolding is installed to first screen mounting panel, second screen mounting panel cooperation third inner cup.

As an optimized technical scheme of the utility model, the end of lockpin one and lockpin two is spherical head, and lockpin one and lockpin two all are the font of well font.

As a preferred technical scheme of the utility model, the inboard of first shrimp shell spare all is equipped with the arc guide way just to locating the position with first ladder arc spare and second ladder arc spare, and the arc guide way contacts with the arcwall face of first ladder arc spare and second ladder arc spare bottom.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a flexible screen equipment of infolding has following beneficial effect:

1) through the torsion mechanism who is equipped with to and the symmetry sets up and the same lazytongs and locking structure of structure, make the simple structure of hinge, and reduce the manufacturing cost of hinge, make the hinge mechanism have better synchronous rotation nature and linkage nature simultaneously, and screen mounting panel and the inner decking of cooperation installation are in when making things convenient for the installation of flexible screen, the frame that realizes the screen is less than 2mm, realize comprehensive screen design, also avoid the inside component of hinge mechanism to cause the damage to the flexible screen, improve the life of flexible screen.

2) The wing piece through torsion mechanism is connected with the meshing of taking the tooth to accept the seat, simultaneously the first tooth of intermeshing lifting cantilever and the second tooth of intermeshing lifting cantilever provide torsion when the hinge mechanism rotates the in-process, also make and drive left casing and right casing and carry out synchronous motion, smooth and easy and sensitive rotation feedback in the hinge rotation process has also been ensured, can fix a position in a flexible way when can making many shrimp shell spare rotate through the torsion mechanism that is equipped with, increase the convenience in the daily use of interior flexible screen equipment.

3) Make left casing and right casing when launching completely through the locking mechanical system who is equipped with, lock the hinge mechanism, avoid left casing and right casing unexpected rotation, the lockpin can reset fast under the effect of spring simultaneously to the spherical head of lockpin one end has better feedback effect when inserting and breaking away from the locking hole, improves the user and feels to the use of equipment.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner side structure of the present invention;

FIG. 3 is a schematic view of the inner cover plate structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the casing and the hinge mechanism of the present invention;

FIG. 5 is a schematic view of the hinge mechanism of the present invention;

fig. 6 is a schematic structural view of the torsion mechanism of the present invention;

fig. 7 is a schematic structural view of the synchronizing mechanism of the present invention;

fig. 8 is a schematic view of a split structure of the synchronization mechanism of the present invention;

fig. 9 is a schematic structural view of a locking mechanism according to embodiment 1 of the present invention;

fig. 10 is a schematic view of the internal structure of the lock mechanism according to embodiment 1 of the present invention;

fig. 11 is a schematic view of a disassembled structure of a locking mechanism in embodiment 1 of the present invention;

fig. 12 is a schematic structural view of a locking mechanism according to embodiment 2 of the present invention;

fig. 13 is a schematic view of the split structure of the locking mechanism according to embodiment 2 of the present invention.

In the figure: 1. a left housing; 11. a first inner cover plate; 12. a first screen mounting plate; 2. a right housing; 21. a second inner cover plate; 22. a second screen mounting plate; 3. a hinge mechanism; 31. a first shrimp shell member; 32. a second shrimp shell member; 33. a third shrimp shell member; 34. a third inner cover plate; 3a, a torsion mechanism; 3a1, a shelf; 3a2, toothed socket; 3a3, flap; 3a4, first toothed lifting cantilever; 3a5, second toothed lifting cantilever; 3a6, hinged seat; 3a7, sliding seat; 3a8, guide slider; 3a9, a limiting seat; 3b, a synchronizing mechanism; 3b1, a first connecting baffle; 3b2, a first ladder arc; 3b21, a first arc-shaped limiting groove; 3b3, a first cover connection; 3b31, a first crescent-shaped limit piece; 3b4, a second connecting baffle plate; 3b5, a second ladder arc; 3b51 and a second arc-shaped limiting groove; 3b6, second cover connection; 3b61, a second crescent stop; 3b7, arc; 3b8, notches; 3c, a locking mechanism; 3c1, T-shaped lock head; 3c11, a locking hole I; 3c2, T-shaped lock seat; 3c21, lock groove; 3c22, end caps; 3c23, spring one; 3c24, a first lock pin; 3c3, U-shaped lock seat; 3c31 and a second locking hole; 3c4, a line head; 3c41, cavity; 3c42, spring two; 3c43 and a second locking pin.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-11, the present invention provides an inward-folding flexible screen device, which includes a left housing 1 and a right housing 2, wherein a hinge mechanism 3 is installed between the left housing 1 and the right housing 2 for realizing synchronous inward-folding rotation and installing a flexible screen; the hinge mechanism 3 comprises a first shrimp shell 31, a second shrimp shell 32 and a third shrimp shell 33 which are horizontally arranged between the left shell and the right shell; the hinge mechanism 3 also comprises a torsion mechanism 3a which is arranged among the first shrimp shell piece 31, the second shrimp shell piece 32 and the third shrimp shell piece 32 and is used for providing torsion when the three shrimp shell pieces rotate and driving the left shell 1 and the right shell 2 to synchronously limit and rotate; two sides of the torsion mechanism 3a are symmetrically provided with two synchronizing mechanisms 3b which are arranged among a first shrimp shell piece 31, a second shrimp shell piece 32 and a third shrimp shell piece 33 and used for leading the three shrimp shell pieces to rotate around respective axes and matching with the torsion mechanism 3a to drive the left shell 1 and the right shell 2 to synchronously link, and the synchronizing mechanisms 3b are also provided with stopping mechanisms used for leading the three shrimp shell pieces to rotate and preventing the three shrimp shell pieces from being folded; the hinge mechanism 3 further comprises two locking mechanisms 3c, locking pins of the locking mechanisms 3c are matched with locking holes to lock the left shell 1 and the right shell 2 which are completely unfolded, the two synchronizing mechanisms 3b and the two locking mechanisms 3c are symmetrically arranged, the overall structure of the hinge is simplified, the same mechanism can reduce the design cost of the hinge, and meanwhile, mechanisms of the same part can be shared, and the production cost is also reduced.

Further, the torsion mechanism 3a includes two opposite supporting frames 3a1 installed at the middle of the inner side of the first shrimp shell member 31 by screws, a toothed supporting seat 3a2 is installed between the two supporting frames 3a1, two ends of the toothed supporting seat 3a2 are respectively provided with two first toothed lifting cantilevers 3a4 engaged with each other and providing rotating torque, teeth at two sides of the toothed supporting seat 3a2 are respectively engaged with a wing 3a3 further providing rotating torque, one end of the two wings 3a3 is rotatably connected with a guide slider 3a8 by a hinge seat 3a6 matching with a pin shaft, the two guide sliders 3a8 are respectively slidably connected with two sliding seats 3a7 installed at the inner sides of the left and right shells 1 and 2, one side of the two first toothed lifting cantilevers 3a4 at the same side is horizontally provided with two second toothed lifting cantilevers 3a5, and the supporting seat 3a2 is horizontally provided with one end of the second toothed lifting cantilever 3a5 by two corresponding first pin shafts which pass through the lifting cantilevers 3a4 and the second toothed lifting cantilevers 3a5 One end of each wing piece 3a3 is respectively connected with the two bearing frames 3a1 in a rotating way, one end with teeth of the two wing pieces 3a3 is connected with the middle part of the corresponding first lifting cantilever with teeth 3a4 and the other end of the corresponding second lifting cantilever with teeth 3a5 in a rotating way through two pin shafts, the other end of the two lifting cantilever with teeth 3a4 is connected with the limit seat 3a9 which is correspondingly arranged at the inner sides of the second shrimp shell piece 32 and the third shrimp shell piece 33 in a sliding way through a convex column, and realizes the synchronous rotation of the first shrimp shell member 31, the second shrimp shell member 32, the third shrimp shell member 33 and the shells, and utilizes the engagement of the teeth of the two wings 3a3 of the torsion mechanism 3 and the teeth of the toothed bearing seat 3a2 to provide torsion when the left shell 1 and the right shell 2 rotate, while the intermeshing first toothed lifting boom 3a4 and intermeshing second toothed lifting boom 3a5 provide torsional forces during rotation of the tabs 3a3, the two fins 3a3 can bring the left casing 1 and the right casing 2 into synchronous movement.

Furthermore, the synchronizing mechanism 3b includes a first ladder-shaped arc-shaped member 3b2 mounted and fixed to the inner side of the first inner cover plate 11, a first arc-shaped limiting groove 3b21 is disposed on one side of the first ladder-shaped arc-shaped member 3b2, the first arc-shaped limiting groove 3b21 is slidably connected to a first crescent-shaped limiting member 3b31 fixedly disposed at the bottom of the first cover plate connecting member 3b3, and a first connecting baffle 3b1 is mounted at the bottom of one side of the first cover plate connecting member 3b3 by a screw, an arc portion 3a7 at one end of the first connecting baffle 3b1 is aligned to a notch 3a8 disposed at a side of a groove wall of the first arc-shaped limiting groove 3b21, the synchronizing mechanism 3b further includes a second ladder-shaped arc-shaped member 3b5 mounted and fixed to the inner side of the second inner cover plate 21 and symmetrically disposed with the first ladder-shaped arc-shaped member 3b2, a second ladder-shaped limiting groove 638 is fixedly disposed at one side of the second ladder-shaped arc-shaped member 3b5, and a second limiting member 638 is slidably connected to a second cover plate connecting member, a second connecting baffle 3b4 is installed at the bottom of one side of the second cover plate connecting piece 3b6 through a screw, the position of an arc-shaped part 3a7 at one end of the second connecting baffle 3b4 is opposite to a notch 3a8 arranged on the side of a groove wall at one side of the second arc-shaped limiting groove 3b51, a stopping mechanism of a synchronizing mechanism 3b is formed by matching an arc-shaped part 3a7 with a notch 3a8, when the device is opened and closed, the synchronizing mechanism 3b is matched with a torsion mechanism 3a, so that the left shell 1 and the right shell 2 are synchronously linked with the hinge mechanism 3, when the left shell 1 and the right shell 2 are completely unfolded, the arc-shaped part 3a7 of the first connecting baffle 3b1 is abutted against the notch 3a8 of the first arc-shaped limiting groove 3b21, the arc-shaped part 3a7 of the second connecting baffle 3b4 is abutted against the notch 3a8 of the second arc-shaped limiting groove 3b51, so as to stop the rotation of the synchronizing mechanism 3b, and the damage to the flexible screen caused by the rotation angle larger than 180 degrees is avoided.

Further, the locking mechanism 3c comprises a T-shaped lock head 3c1 fixedly installed inside the first inner cover plate 11 by screws, the locking tongue of the T-shaped lock head 3c1 is placed in the locking groove 3c21 of the T-shaped lock seat 3c2, and the bolt of the T-shaped lock head 3c1 is provided with a through locking hole I3 c11, the two sides of the T-shaped lock seat 3c2 are both provided with lock seat cavities communicated with the inside of the lock groove 3c21, the two lock seat cavities are both provided with a lock pin I3 c24 matched with the lock groove 3c21 in a sliding way, one end of the lock pin I3 c24 is sleeved with a spring I3 c23 for elastic reset, one end of the first spring 3c23 is abutted against the end cap 3c22 installed at the end of the lock seat cavity, the T-shaped lock seat 3c2 is fixedly installed at the inner side of the second inner cover plate 21 through screws, when the left shell 1 and the right shell 2 are completely unfolded through the locking mechanism 3c, the effect of quick locking is achieved, and accidental rotation in the using process of the equipment is avoided.

Further, the inboard of left casing 1 is fixed with first inner cover plate 11 installation through the screw, the inboard of right casing 2 is fixed with second inner cover plate 21 installation through the screw, there is third inner cover plate 34 at the inboard top of first shrimp shell spare 31 through screw fixed mounting, and first inner cover plate 11, the top of second inner cover plate 21 and third inner cover plate 34 all is in same horizontal plane, through acting on first inner cover plate 11 and second inner cover plate 21 when rotating through lazytongs 3b and locking mechanical system 3c, and then drive left casing 1 and right casing 2 respectively.

Further, first screen mounting panel 12 is still installed to the inboard of left casing 1, second screen mounting panel 22 is still installed to the inboard of right casing 2, and one side bottom of first screen mounting panel 12 is fixed with 11 top installations of first interior apron through the screw, one side bottom of second screen mounting panel 22 is fixed with 21 top installations of second interior apron through the screw, and first screen mounting panel 12, the flexible screen of infolding is installed to second screen mounting panel 22 cooperation third interior apron 34, ensure first screen mounting panel 12, second screen mounting panel 22 and third interior apron 34 can carry out level and smooth effective support to the flexible screen, reduce the inboard supporting stress to the flexible screen of casing.

Further, the inner side of the first shrimp shell 31 is provided with arc guide grooves opposite to the positions of the first ladder-shaped arc 3b2 and the second ladder-shaped arc 3b5, the arc guide grooves are in contact with the arc surfaces at the bottoms of the first ladder-shaped arc 3b2 and the second ladder-shaped arc 3b5, and the first ladder-shaped arc 3b2 and the second ladder-shaped arc 3b5 can be guided by the arranged arc guide grooves to slide with the first shrimp shell 31.

Specifically, when the flexible inward-folding screen device needs to be used, the left shell 1 and the right shell 2 are firstly pulled, and the torsion mechanism 3a and the synchronization mechanism 3b act as follows: when the left shell 1 and the right shell 2 are unfolded relatively, because teeth at one end of two wings 3a3 of the torsion mechanism 3a are engaged with teeth at two sides of a toothed bearing seat 3a2, the guiding slide block 3a8 slides in the sliding seat 3a7 along with the unfolding of the left shell 1 and the right shell 2, the rotating two wings 3a3 play a role of compensating distance, and teeth of two wings 3a3 are engaged with teeth of a toothed bearing seat 3a2, so as to provide torsion force when the left shell 1 and the right shell 2 rotate, meanwhile, a first toothed lifting cantilever 3a4 engaged with each other and a second toothed lifting cantilever 3a5 engaged with each other provide torsion force during the rotation of the wings 3a3, so that the two wings 3a3 can drive the left shell 1 and the right shell 2 to synchronously move, and two first toothed lifting cantilevers 3a4 are in sliding connection with a limiting seat 9 at the inner side of the second shrimp shell 32 and the third shrimp shell 3533 through convex columns, and realizes the synchronous rotation of the first shrimp shell component 31, the second shrimp shell component 32, the third shrimp shell component 33 and the shell; the first ladder-shaped arc-shaped piece 3b2 and the second ladder-shaped arc-shaped piece 3b5 of the two synchronizing mechanisms 3b are slidably guided in the arc-shaped guide groove on the inner side of the first shrimp shell piece 31, the first crescent-shaped limiting piece 3b31 at the bottom of the first cover plate connecting piece 3b3 is slidably guided in the first arc-shaped limiting groove 3b21, and the second crescent-shaped limiting piece 3b61 of the second cover plate connecting piece 3b6 is slidably guided in the second arc-shaped limiting groove 3b51, so that the second shrimp shell piece 32 and the third shrimp shell piece 33 are synchronously linked with the first shrimp shell piece 31, and simultaneously the shells and the hinge mechanism 3 are synchronously linked, and when the left shell 1 and the right shell 2 are closed, the torsion mechanism 3a and the synchronizing mechanism 3b also play roles of providing torsion and synchronously rotating.

When the left shell 1 and the right shell 2 are unfolded, the rotating second shrimp shell 32 drives the T-shaped lock head 3c1 to approach the T-shaped lock seat 3c2 of the third shrimp shell 33, and the bolt of the T-shaped lock head 3c1 is placed in the lock groove 3c21 of the T-shaped lock seat 3c2, the lock pin I3 c24 is under the action of the spring I3 c23, the spherical head at one end of the first lock pin 3c24 is inserted into the first locking hole 3c11, the first lock pin 3c24 is matched with the first locking hole 3c11 to realize the locking of the hinge mechanism 3, further realize the locking of the completely unfolded state of the left shell 1 and the right shell 2, avoid the accidental rotation of the unfolded left shell 1 and the unfolded right shell 2, when the left shell 1 and the right shell 2 are closed, the rotating second shrimp shell 32 and the rotating third shrimp shell 33 separate the T-shaped lock head 3c1 from the T-shaped lock seat 3c2, and the synchronous rotation and linkage process between the shrimp shells is not influenced.

Example 2

Referring to fig. 12-13, the present invention provides an inward-folding flexible screen device, which includes a left housing 1 and a right housing 2, wherein a hinge mechanism 3 is installed between the left housing 1 and the right housing 2 for realizing synchronous inward-folding rotation and installing a flexible screen; the hinge mechanism 3 comprises a first shrimp shell 31, a second shrimp shell 32 and a third shrimp shell 33 which are horizontally arranged between the left shell and the right shell; the hinge mechanism 3 also comprises a torsion mechanism 3a which is arranged among the first shrimp shell piece 31, the second shrimp shell piece 32 and the third shrimp shell piece 32 and is used for providing torsion when the three shrimp shell pieces rotate and driving the left shell 1 and the right shell 2 to synchronously limit and rotate; two sides of the torsion mechanism 3a are symmetrically provided with two synchronizing mechanisms 3b which are arranged among a first shrimp shell piece 31, a second shrimp shell piece 32 and a third shrimp shell piece 33 and used for leading the three shrimp shell pieces to rotate around respective axes and matching with the torsion mechanism 3a to drive the left shell 1 and the right shell 2 to synchronously link, and the synchronizing mechanisms 3b are also provided with stopping mechanisms used for leading the three shrimp shell pieces to rotate and preventing the three shrimp shell pieces from being folded; the hinge mechanism 3 further comprises a locking mechanism 3c, the lock pin of the locking mechanism 3c is matched with the locking hole to lock the completely unfolded left shell 1 and right shell 2, the locking mechanism 3c comprises a U-shaped lock seat 3c3 fixedly installed on the inner side of the first inner cover plate 11 through screws, two locking holes 3c32 are respectively formed in two sides of the U-shaped lock seat 3c3, the locking mechanism 3c further comprises a straight lock head 3c4 fixedly installed on the inner side of the second inner cover plate 21 through screws, a cavity 3c41 is formed in one end of the straight lock head 3c4, two lock pins two 3c43 are slidably installed in the cavity 3c41, one ends of the two lock pins two 3c43 penetrate through the cavity wall of the cavity 3c41 and are respectively connected with the two locking holes two 3c32 in an inserting manner, the other ends of the two lock pins two 3c43 are respectively connected with two ends 6356 of a spring two lock pins 3c42 arranged in the cavity 3c41, and the ends of the first lock pin 3c24 and the two lock pins 43 are both spherical heads, and the first lock pin 3c24 and the second lock pin 3c43 are both in a shape of Chinese character 'zhong', so that the first lock pin 3c24 can quickly enter or separate from the corresponding locking hole under the action of the first spring 3c23 and the second lock pin 3c43 under the action of the second spring 3c 42.

Specifically, when the foldable flexible screen device is needed to be used, in the process of pulling the left housing 1 and the right housing 2, the torsion mechanism 3a and the synchronization mechanism 3b have the same functions as those described in embodiment 1, and the torsion mechanism 3a and the synchronization mechanism 3b also have the functions of providing torsion and synchronously rotating.

When the left shell 1 and the right shell 2 are unfolded, the rotating second shrimp shell 32 drives the U-shaped lock seat 3c3 to approach the I-shaped lock head 3c4 of the third shrimp shell 33, and one end of the I-shaped lock head 3c4 is placed in the U-shaped lock seat 3c31, and the lock pin two 3c43 is under the action of the spring two 3c42, the spherical head at one end of the second lock pin 3c43 is inserted into the second locking hole 3c31, the locking of the hinge mechanism 3 is realized by the second lock pin 3c43 matching with the second locking hole 3c31, the locking of the left shell 1 and the right shell 2 in a completely unfolded state is further realized, the left shell 1 and the right shell 2 after being unfolded are prevented from accidentally rotating, when the left and right shells 1 and 2 are closed, the rotating second and third shrimp shell parts 32 and 33 separate the U-shaped locking seat 3c3 from the I-shaped locking head 3c4 without affecting the synchronous rotation and rotation process between the shrimp shell parts and the shells.

It should be added that: when the device is opened or closed, the flexible screen is always in contact with the first screen mounting plate 12, the second screen mounting plate 22 and the third inner cover plate 34, and the first screen mounting plate 12, the second screen mounting plate 22 and the third inner cover plate 34 are ensured to smoothly support the flexible screen; the guide slider 3a8 may have a T-shaped, straight or circular cross-section, and the sliding seat 3a7 matched with the guide slider 3a8 is adapted to ensure that the guide slider 3a8 can slide in the sliding seat 3a7 in a guiding manner.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The inward-folding flexible screen equipment comprises a left shell and a right shell, and is characterized in that a hinge mechanism for realizing synchronous inward-folding rotation of the left shell and the right shell and installing a flexible screen is arranged between the left shell and the right shell; the hinge mechanism comprises a first shrimp shell piece, a second shrimp shell piece and a third shrimp shell piece which are horizontally arranged between the left shell and the right shell;

2. A fold-in flexible screen apparatus according to claim 1, wherein: the torsion mechanism comprises two bearing frames which are oppositely arranged and are arranged at the middle part of the inner side of the first shrimp shell part through screws, a toothed bearing seat is arranged between the two bearing frames, two ends of the toothed bearing seat are respectively provided with two first toothed lifting cantilevers which are meshed with each other and provide rotating torsion, the teeth at two sides of the toothed bearing seat are respectively meshed with a fin which further provides rotating torsion, one end of each fin is rotatably connected with a guide slide block through a hinge seat which is arranged and matched with a pin shaft, the two guide slide blocks are respectively and slidably connected with two sliding seats which are arranged at the inner sides of the left shell and the right shell, one side of each of the two first toothed lifting cantilevers which are positioned at the same side is horizontally provided with two second toothed lifting cantilevers, the toothed bearing seat penetrates through one end of the corresponding first toothed lifting cantilever and one end of the second toothed lifting cantilever through two pin shafts and is, the tooth-shaped ends of the two fins are rotatably connected with the middle parts of the corresponding first tooth-shaped lifting cantilevers and the other ends of the corresponding second tooth-shaped lifting cantilevers through two pin shafts, the other ends of the two first tooth-shaped lifting cantilevers are correspondingly installed on limiting seats on the inner sides of the second shrimp shell piece and the third shrimp shell piece through convex columns in a sliding connection mode, and the first shrimp shell piece, the second shrimp shell piece, the third shrimp shell piece and the shell are synchronously rotated.

3. A fold-in flexible screen apparatus according to claim 1, wherein: the synchronizing mechanism comprises a first ladder-shaped arc-shaped part fixedly installed on the inner side of a first inner cover plate, a first arc-shaped limiting groove is formed in one side of the first ladder-shaped arc-shaped part, the first arc-shaped limiting groove is in sliding connection with a first crescent-shaped limiting part fixedly arranged at the bottom of the first cover plate connecting part, a first connecting baffle is installed at the bottom of one side of the first cover plate connecting part through a screw, an arc part at one end of the first connecting baffle is just opposite to a notch position formed in the groove wall of one side of the first arc-shaped limiting groove, the synchronizing mechanism further comprises a second ladder-shaped arc-shaped part fixedly installed on the inner side of a second inner cover plate and symmetrically arranged with the first ladder-shaped arc-shaped part, a second arc-shaped limiting groove is formed in one side of the second ladder-shaped arc-shaped part, the second arc-shaped limiting groove is in sliding connection with a second crescent-shaped limiting part fixedly arranged at the bottom of the second cover plate, the arc-shaped part at one end of the second connecting separation blade is opposite to the notch position arranged on the groove wall on one side of the second arc-shaped limiting groove, and the arc-shaped part and the notch are matched to form a stop mechanism of the synchronizing mechanism.

4. A fold-in flexible screen apparatus according to claim 3, wherein: the locking mechanism is two and is correspondingly arranged on one side of the two synchronizing mechanisms, the locking mechanism comprises a T-shaped lock head which is fixedly arranged on the inner side of the first inner cover plate through screws, a lock tongue of the T-shaped lock head is arranged in a lock groove of a T-shaped lock seat, a first through locking hole is formed in the lock tongue of the T-shaped lock head, lock seat cavities communicated with the inside of the lock groove are formed in two sides of the T-shaped lock seat, a first lock pin matched with the lock groove is arranged in the two lock seat cavities in a sliding mode, a first spring for elastic reset is sleeved at one end of the first lock pin, one end of the first spring is abutted to an end cover installed at the end of the lock seat cavity, and the T-shaped lock seat is fixedly arranged on the inner side of the.

5. A fold-in flexible screen apparatus according to claim 4, wherein: the locking mechanism is one and is correspondingly arranged between one of the synchronizing mechanism and the torsion mechanism, the locking mechanism comprises a U-shaped lock seat fixedly installed on the inner side of the first inner cover plate through screws, two locking holes II are formed in two sides of the U-shaped lock seat, the locking mechanism further comprises a straight lock head fixedly installed on the inner side of the second inner cover plate through screws, a cavity is formed in one end of the straight lock head, two lock pins II are slidably installed in the cavity, one ends of the two lock pins II penetrate through the cavity wall of the cavity and are respectively connected with the two locking holes II in an inserting mode, and the other ends of the two lock pins II are respectively connected with two ends of a spring arranged in the cavity in an inserting mode.

6. A fold-in flexible screen apparatus according to claim 5, wherein: the inboard of left side casing is fixed with first inner decking installation through the screw, and the inboard of right side casing is fixed with second inner decking installation through the screw, and the inboard top of first shrimp shell spare has the third inner cover board through screw fixed mounting, and the top of first inner cover board, second inner cover board and third inner cover board all is in same horizontal plane.

7. A fold-in flexible screen apparatus according to claim 6, wherein: first screen mounting panel is still installed to the inboard of left side casing, and the second screen mounting panel is still installed to the inboard of right side casing, and one side bottom of first screen mounting panel is fixed through screw and first inner cup top installation, and one side bottom of second screen mounting panel is fixed through screw and second inner cup top installation, and the flexible screen of infolding is installed to first screen mounting panel, second screen mounting panel cooperation third inner cup.

8. A fold-in flexible screen apparatus according to claim 5, wherein: the end heads of the first lock pin and the second lock pin are both spherical heads, and the first lock pin and the second lock pin are both in a shape of Chinese character 'zhong'.

9. A fold-in flexible screen apparatus according to claim 3, wherein: the inboard of first shrimp shell spare all is equipped with the arc guide way with first trapezoidal arc spare and the just right department position of second trapezoidal arc spare, and the arc guide way contacts with the arcwall face of first trapezoidal arc spare and second trapezoidal arc spare bottom.