CN216691841U

CN216691841U - Folding mechanism and inward-folding flexible screen mobile electronic terminal

Info

Publication number: CN216691841U
Application number: CN202122558373.9U
Authority: CN
Inventors: 肖洋; 马福兴
Original assignee: Suzhou Lingye Intelligent Technology Co ltd
Current assignee: Suzhou Lingye Intelligent Technology Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-06-07
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a folding mechanism, which comprises a middle bracket, a left support plate, a right support plate, a left rotating part and a right rotating part, wherein the left rotating part and the right rotating part are rotatably connected with the middle bracket, the middle bracket can enable the left support plate, the right support plate and the left rotating part and the right rotating part to synchronously and reversely rotate through a synchronous reverse rotating mechanism, one end of the left support plate, far away from the middle bracket, is connected with a first elastic element on the synchronous reverse rotating mechanism, and one end of the right support plate, far away from the middle bracket, is connected with a second elastic element on the synchronous reverse rotating mechanism. According to the utility model, the flexible screen can be unfolded, flattened and folded and closed, the left support plate and the right support plate can stably support the unfolded and flattened flexible screen, the bent part of the flexible screen can form a water drop shape after the flexible screen is folded and closed, the damage to the screen is avoided, the stability and the reliability are high, and the service life of the product is prolonged.

Description

Folding mechanism and inward-folding flexible screen mobile electronic terminal

Technical Field

The utility model relates to a flexible screen electronic device, in particular to a folding mechanism for a folding-in flexible screen mobile electronic terminal and the folding-in flexible screen mobile electronic terminal.

Background

With the continuous progress of society and the rapid development of science and technology, electronic products are updated very rapidly, the use requirements of users on the electronic products are higher and higher, so that the functions of the electronic products are more and more diversified, and many new electronic products come up at the same time, for example, mobile terminals such as smart phones and tablet computers with flexible screens become current heat points and new trends. For a mobile terminal, the flexible screen is an ideal and emerging screen, the mobile terminal is folded when being carried, and is unfolded to obtain double display when being used, so that the requirement on large-screen display is met, and the sense of containing, maturity, stability and the like can be given to people. At present, for a flexible screen mobile terminal, how to design a folding mechanism to support, fold and the like the flexible screen is required to be solved, so that the damage of the bending part of the flexible screen is reduced, the service life is prolonged, and the flexible screen can be better applied to the mobile terminal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding mechanism and a mobile electronic terminal with an inward-folding flexible screen, which can solve at least one of the technical problems, and the technical scheme of the utility model is as follows:

a folding mechanism, which comprises a middle bracket and a left supporting plate, the left support plate and the right support plate are rotatably connected with the middle support, the middle support can enable the left support plate and the right support plate and the left rotating component and the right rotating component to synchronously rotate reversely through the synchronous reverse rotating mechanism, the left support plate and the right support plate are used for supporting the corresponding flexible screen, one end, away from the middle support, of the left support plate is connected with a first elastic element on the synchronous reverse rotating mechanism, one end, away from the middle support, of the right support plate is connected with a second elastic element on the synchronous reverse rotating mechanism, the left support plate is folded inwards and closed along with the flexible screen, one end, close to the middle support, of the left support plate and one end, close to the middle support, of the right support plate can swing outwards respectively to avoid bending positions of the flexible screen, the left rotating component and the right rotating component can support the left support plate and the right support plate along with the flexible screen being unfolded and flat.

In some embodiments, the length of the left support plate and the length of the right support plate are substantially the same as the length of the flexible screen, and the two ends of the middle support are respectively provided with a synchronous reverse rotation mechanism, a left rotation component and a right rotation component.

In some embodiments, the left rotating part comprises a left rotating arm, the right rotating part comprises a right rotating arm, the middle support is provided with a first arc-shaped slideway matched with the left rotating arm and a second arc-shaped slideway matched with the right rotating arm, the left rotating arm is provided with a first arc-shaped sliding part matched with the first arc-shaped slideway, and the right rotating arm is provided with a second arc-shaped sliding part matched with the second arc-shaped slideway.

In some embodiments, the left rotating arm is located below the left support plate, the right rotating arm is located below the right support plate, the first arc-shaped sliding portion is located at the top of one end, close to the right support plate, of the first arc-shaped sliding portion and can support the right support plate along with the unfolding of the flexible screen, the second arc-shaped sliding portion is located at the top of one end, close to the left support plate, of the second arc-shaped sliding portion and can support the left support plate along with the folding-in closing of the flexible screen, the first arc-shaped sliding portion can be separated from the right support plate, and the second arc-shaped sliding portion can be separated from the left support plate.

In some embodiments, the middle support comprises a first base, a first fixing block is arranged on the first base, the first arc-shaped slide and the second arc-shaped slide are arranged on the first fixing block, a first arc-shaped groove and a second arc-shaped groove are arranged on the first fixing block, one end, close to the middle support, of the left support plate can abut against the first arc-shaped groove to slide, and one end, close to the middle support, of the right support plate can abut against the second arc-shaped groove to slide.

In some embodiments, the synchronous reverse rotation mechanism includes a left connecting seat, a right connecting seat, a left side gear disposed on the left connecting seat, and a right side gear disposed on the right connecting seat, the first elastic element is disposed on the left connecting seat, the second elastic element is disposed on the right connecting seat, and the left side gear and the right side gear can synchronously reverse rotate.

In some embodiments, the first elastic element and the second elastic element are both C-shaped springs, two ends of the first elastic element are fixed on the left connecting seat, one end of the left supporting plate away from the middle support is connected with the middle of the first elastic element, two ends of the second elastic element are fixed on the right connecting seat, and one end of the right supporting plate away from the middle support is connected with the middle of the second elastic element.

In some embodiments, one end of the left support plate away from the middle bracket is provided with a first rotating shaft and a first connecting block connected with the first elastic element, and the left connecting seat is provided with a first avoiding groove matched with the first connecting block and a third arc-shaped groove matched with the first rotating shaft.

In some embodiments, the synchronous counter-rotating mechanism further comprises a first friction plate matched with the left side gear and the right side gear, a first groove matched with the left support plate is formed in the left connecting seat, a second groove matched with the right support plate is formed in the right connecting seat, the rotating axis of the left rotating component is overlapped with the rotating axis of the left side gear, and the rotating axis of the right rotating component is overlapped with the rotating axis of the right side gear.

The utility model provides a flexible screen mobile electronic terminal of infolding, including above-mentioned folding mechanism, still include the flexible screen and settle the left side casing and the right side casing of flexible screen, the intermediate support is located between left side casing and the right side casing, the left hand member is connected with the left side casing, the right hand member is connected with the right side casing, synchronous counter-rotating mechanism is connected with left side casing and right side casing respectively, the right hand member and synchronous counter-rotating mechanism can make left side casing and right side casing and the synchronous counter-rotating of left branch fagging and right branch fagging so that the flexible screen opens the exhibition flat and infolding closed.

The utility model has the beneficial effects that: the synchronous reverse rotation mechanism of the folding mechanism can enable the left support plate and the right support plate and the left rotation part and the right rotation part to synchronously and reversely rotate, so that the left casing and the right casing synchronously and reversely rotate to realize the unfolding and folding and closing of the flexible screen, when the flexible screen is unfolded and unfolded, the left rotation part and the right rotation part can support the left support plate and the right support plate to stably support the flexible screen, when the flexible screen is folded and closed, one end of the left support plate, far away from the middle support, can stretch and twist the first elastic element, one end of the right support plate, far away from the middle support, can stretch and twist the second elastic element, the bending part of the flexible screen can push one end of the left support plate, near the middle support, and one end of the right support plate, near the middle support, to swing outwards respectively, so that the bending part of the flexible screen forms a water droplet shape, the flexible screen overall length can not change, avoid causing damage etc. to the screen, can not cause pulling force and pressure on the screen length direction, can guarantee that the flexible screen opens the roughness in the use, compact structure, and is small, can reduce the thickness of product etc., open, folding etc. convenient operation, stability and reliability are high, the service life of product has been improved, the flexible screen of being convenient for can be applied to various mobile terminals such as cell-phone, panel computer better, the application and the development of product have been enlarged.

In addition, in the technical scheme of the utility model, the technical scheme can be realized by adopting the conventional means in the field unless being particularly described.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is an exploded view of a folding mechanism according to an embodiment of the present invention.

Fig. 2 is a partial structural schematic view of a folding mechanism according to an embodiment of the present invention.

Fig. 3 is a partial structural schematic view of a folding mechanism according to an embodiment of the present invention.

Fig. 4 is a partial enlarged view of a portion a of fig. 3 according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of the fold-in flexible screen mobile electronic terminal in an unfolded and flattened state according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of the unfolded and flattened state of the fold-in flexible screen mobile electronic terminal according to an embodiment of the present invention.

Fig. 7 is a cross-sectional view of a folded-in flexible screen mobile electronic terminal according to an embodiment of the present invention in a closed state.

Fig. 8 is an exploded view of a fold-in flexible screen mobile electronic terminal according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of an unfolded and flattened state of the fold-in flexible screen mobile electronic terminal according to an embodiment of the present invention.

Fig. 10 is a schematic structural diagram of a mobile electronic terminal with a folding flexible screen in a closed state according to an embodiment of the present invention.

The reference numerals in the drawings indicate that the middle bracket 1, the first arc-shaped slide 101, the second arc-shaped slide 102, the first base 11, the first fixed block 12, the first arc-shaped groove 121, the second arc-shaped groove 122, the left rotating member 2, the left rotating arm 21, the first arc-shaped sliding portion 211, the right rotating member 3, the right rotating arm 31, the second arc-shaped sliding portion 311, the synchronous counter rotating mechanism 4, the first elastic member 41, the second elastic member 42, the left connecting seat 43, the first groove body 431, the first avoiding groove 432, the third arc-shaped groove 433, the right connecting seat 44, the second groove body 441, the second avoiding groove 442, the fourth arc-shaped groove 443, the left side gear 45, the right side gear 46, the first friction plate 47, the transition gear 48, the first mounting plate 49, the first connecting plate 491, the left supporting plate 5, the first connecting block 51, the first rotating shaft 52, the right supporting plate 6, the second connecting block 61, the second rotating shaft 62, flexible screen 7, left casing 8, right casing 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating some embodiments of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "both sides", "bottom", "top", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the elements referred to must have a particular orientation or be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," "upper," "lower," "primary," "secondary," and the like are used for descriptive purposes only and may be used for purposes of simplicity in more clearly distinguishing between various components and not to indicate or imply relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are used broadly and can be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected through the inside of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-10, a folding mechanism and a fold-in flexible screen 7 mobile electronic terminal according to the present invention are schematically shown. This folding mechanism includes middle support 1, left support plate 5, right support plate 6, left rotating member 2 and right rotating member 3 respectively with middle support 1 rotatable coupling, left support plate 5 and right support plate 6 are used for supporting corresponding flexible screen 7, middle support 1 can make left rotating member 2 and the synchronous antiport of right rotating member 3 through synchronous counter-rotating mechanism 4, and make left support plate 5 and the synchronous antiport of right support plate 6, open the exhibition back when flexible screen 7, left rotating member 2 and right rotating member 3 can support left support plate 5 and right support plate 6. Be provided with first elastic element 41 and second elastic element 42 on synchronous reverse slewing mechanism 4, the one end that middle support 1 was kept away from to left support plate 5 is connected with first elastic element 41, the one end that middle support 1 was kept away from to right support plate 6 is connected with second elastic element 42, left support plate 5 can stretch, twist reverse first elastic element 41, the one end that left support plate 5 is close to middle support 1 can use the one end that middle support 1 was kept away from to left support plate 5 to swing as the center, right support plate 6 can stretch, twist reverse second elastic element 42, the one end that right support plate 6 is close to middle support 1 can use the one end that middle support 1 was kept away from to right support plate 6 to swing as the center.

In the use, the synchronous antiport of left side runner section 2 and right side runner section 3 guarantees through synchronous counter-rotating mechanism 4 that left side runner section 2 and right side runner section 3 are synchronous to the counter-rotating mechanism 4 can make the synchronous antiport of left support plate 5 and right support plate 6 to make the synchronous antiport of left side casing 8 and right side casing 9, realize that flexible screen 7 beats to develop and tie and the infolding is closed. When the flexible screen 7 is unfolded and flattened, the left rotating part 2 and the right rotating part 3 can support the left support plate 5 and the right support plate 6, so that the left support plate 5 and the right support plate 6 stably support the flexible screen 7, and the flatness of the flexible screen 7 in the using process is ensured. When the flexible screen 7 is folded inwards and closed, one end of the left support plate 5, which is far away from the middle support 1, can be stretched, the first elastic element 41 is twisted, one end of the right support plate 6, which is far away from the middle support 1, can be stretched, the second elastic element 42 is twisted, the bending part of the flexible screen 7 can push one end of the left support plate 5, which is close to the middle support 1, and one end of the right support plate 6, which is close to the middle support 1, can swing outwards respectively, so that the bending part of the flexible screen 7 forms a water drop shape, the total length of the flexible screen 7 can not change, damage to the screen and the like can be avoided, tension and pressure in the length direction of the screen can not be caused, flatness of the flexible screen 7 in the using process can be guaranteed, the bending parts of the flexible screen 7 can be avoided through swinging by the left support plate 5 and the right support plate 6, the structure is compact, the size is small, the thickness of a product can be reduced, and the like.

The length of left branch fagging 5 and the length of right branch fagging 6 are unanimous basically with the length of flexible screen 7, can be more comprehensive, evenly support beating to develop flat flexible screen 7, and stability and reliability are higher, and left branch fagging 5 and right branch fagging 6 carry out whole supports to the middle part of flexible screen 7 as far as. The two ends of the middle support 1 are respectively provided with the synchronous reverse rotating mechanism 4, the left rotating part 2 and the right rotating part 3, the stress is more uniform, the structure is more stable and reliable, and the left rotating part 2 and the right rotating part 3 can be more.

The left rotating part 2 comprises a left rotating arm 21, the right rotating part 3 comprises a right rotating arm 31, a first arc-shaped slide way 101 and a second arc-shaped slide way 102 are arranged on the middle support 1, the first arc-shaped slide way 101 is matched with the left rotating arm 21, the second arc-shaped slide way 102 is matched with the right rotating arm 31, the left rotating arm 21 is provided with a first arc-shaped sliding part 211 matched with the first arc-shaped slide way 101, the right rotating arm 31 is provided with a second arc-shaped sliding part 311 matched with the second arc-shaped slide way 102, the left rotating arm 21 rotates along the first arc-shaped slide way 101 through the first arc-shaped sliding part 211, and the right rotating arm 31 rotates along the second arc-shaped slide way 102 through the second arc-shaped sliding part 311.

Use fig. 5 as the reference, left rotor arm 21 is located the below of left support plate 5, right rotor arm 31 is located the below of right branch fagging 6, open the exhibition back when flexible screen 7, first arc sliding part 211 is close to the one end top of right branch fagging 6 and can support right branch fagging 6, second arc sliding part 311 is close to the one end top of left branch fagging 5 and can support left branch fagging 5, make left branch fagging 5 and right branch fagging 6 support flexible screen 7 steadily, guarantee the roughness of flexible screen 7 in the use, the structure is compacter, it is firm. When flexible screen 7 infolding is closed, left rotor arm 21 and the synchronous antiport of right rotor arm 31, left support plate 5 and the synchronous antiport of right branch fagging 6, thereby first arc sliding part 211 and the synchronous antiport of right support plate 6 and the synchronous antiport of second arc sliding part 311 and left support plate 5, make first arc sliding part 211 and the separation of right support plate 6 and the separation of second arc sliding part 311 and left support plate 5, and then the department of bending of flexible screen 7 can promote the one end that left support plate 5 is close to intermediate strut 1 and the one end that right support plate 6 is close to intermediate strut 1 and outwards swing respectively, make the department of bending of flexible screen 7 form the water droplet form.

Middle support 1 includes first base 11, is provided with first fixed block 12 on the first base 11, and first fixed block 12 can adopt buckle connection, adhesive bonding, welded connection, screw connection etc. with first base 11, and first arc slide 101 and second arc slide 102 set up on first fixed block 12, and first arc slide 101 and second arc slide 102 integrated into one piece are usually on first fixed block 12. Still be provided with first arc wall 121 and second arc wall 122 on the first fixed block 12, the one end that left branch fagging 5 is close to middle support 1 can support and lean on and slide on first arc wall 121, and the one end that right branch fagging 6 is close to middle support 1 can support and lean on and slide on second arc wall 122, and the structure is compacter, stable, reliable.

Synchronous reverse slewing mechanism 4 adopts gear mechanism, including left connecting seat 43 and right connecting seat 44, left connecting seat 43 is the same basically with right connecting seat 44 structure, is provided with left side gear 45 on the left connecting seat 43, is provided with right side gear 46 on the right connecting seat 44, and first elastic element 41 sets up on left connecting seat 43, and second elastic element 42 sets up on right connecting seat 44, and left side gear 45 is the same basically with right side gear 46 structure, and left side gear 45 can synchronous reverse rotation with right side gear 46. Synchronous counter-rotating mechanism 4 still includes the first friction disc 47 with left side gear 45 and right side gear 46 matched with, first friction disc 47 is located the one end of left side gear 45 and right side gear 46, also the both ends of left side gear 45 and right side gear 46 set up first friction disc 47 respectively, it has one or two first friction discs 47 to correspond respectively to can also be left side gear 45 and right side gear 46, provide damping frictional force for the rotation of gear through first friction disc 47, provide the torsion for whole mechanism promptly, make flexible screen 7 open the flat state of exhibition and fold in the closed state more stable, for example under opening flat state and fold in the closed state, need apply certain external force and can open and close, stability and reliability are higher.

Referring to fig. 4 and 5, two transition gears 48 may be further disposed between the left connecting seat 43 and the right connecting seat 44, the four gears are sequentially in transmission connection, that is, the four gears are sequentially engaged, the two transition gears 48 are engaged, the left gear 45 is engaged with the transition gear 48 adjacent thereto, the right gear 46 is engaged with the transition gear 48 adjacent thereto, the first friction plate 47 is respectively engaged with the four gears, the four gears may be mounted at an end portion of the first base 11, one end of each of the four gears is respectively connected with the first mounting plate 49, the other end of each of the four gears is respectively connected with an end portion of the first fixing block 12, the first mounting plate 49 is connected with the first fixing block 12 through a first connecting plate 491, the first connecting plate 491 may be respectively connected with the first mounting plate 49 and the first fixing block 12 in a welding manner, the first mounting plate 49 and the first fixing block 12 may also be connected to the first base 11 in a welding manner, equivalent to forming a gearbox structure.

The rotation axis of the left rotating part 2 coincides with the rotation axis of the left gear 45, the rotation axis of the right rotating part 3 coincides with the rotation axis of the right gear 46, and the relative displacement between the moving gear and the slide way, the shell and the like does not occur during movement, so that the synchronization is more accurate, and the synchronization is safer, more stable and more reliable.

The left connecting seat 43 is provided with a first groove 431 matched with the left supporting plate 5, and the right connecting seat 44 is provided with a second groove 441 matched with the right supporting plate 6, so that the operation is more convenient, and the structure is more compact and stable.

The first elastic element 41 and the second elastic element 42 have substantially the same structure, and as shown in fig. 2, both the first elastic element 41 and the second elastic element 42 are C-shaped springs, the C-shaped springs may also be zigzag springs, two ends or two feet of the first elastic element 41 are fixed on the left connecting base 43, for example, welded or press plates are used to fix the C-shaped springs, the end of the left supporting plate 5 away from the middle bracket 1 is connected to the middle of the first elastic element 41, two ends of the second elastic element 42 are fixed on the right connecting base 44, and the end of the right supporting plate 6 away from the middle bracket 1 is connected to the middle of the second elastic element 42. C type spring simple structure, convenient operation, when flexible screen 7 infolding is closed, the one end that left branch fagging 5 is close to middle support 1 and the one end that right branch fagging 6 is close to middle support 1 swing to the outside respectively, first elastic element 41 can bear the pulling force and the torsion of left branch fagging 5 better simultaneously, first elastic element 41 can bear the pulling force and the torsion of right branch fagging 6 better simultaneously, and is more stable, reliable, reduce the damage etc. to the part.

Referring to fig. 3 and 7, one end of the left support plate 5 away from the middle bracket 1 is provided with a first rotating shaft 52 and a first connecting block 51 connected to the first elastic element 41, the left connecting seat 43 is provided with a first avoidance groove 432 matched with the first connecting block 51 and a third arc-shaped groove 433 matched with the first rotating shaft 52, the first rotating shaft 52 rotates along the third arc-shaped groove 433, the first connecting block 51 rotates in the first avoidance groove 432, so that the left support plate 5 rotates by taking the first rotating shaft 52 as a center, the structure is more compact and stable, and the movement is more stable and reliable. Similarly, one end of the right supporting plate 6, which is far away from the middle bracket 1, is provided with a second rotating shaft 62 and a second connecting block 61 connected with the second elastic element 42, and the right connecting seat 44 is provided with a second avoiding groove 442 matched with the second connecting block 61 and a fourth arc-shaped groove 443 matched with the second rotating shaft 62.

The utility model provides a 7 mobile electronic terminals of flexible screen of infolding, includes above-mentioned folding mechanism, still includes flexible screen 7 and settles left side casing 8 and right side casing 9 of flexible screen 7, and intermediate support 1 is located between left side casing 8 and right side casing 9, and the inboard of left side casing 8 and the inboard of right side casing 9 are provided with respectively with flexible screen 7 matched with cell body, and two halves of flexible screen 7 are fixed respectively in the cell body of left side casing 8 and right side casing 9 through modes such as gluing. The left rotating part 2 is connected with the left casing 8, the left rotating arm 21 can be connected with the left casing 8 by adopting fasteners such as screws, the right rotating part 3 is connected with the right casing 9, the right rotating arm 31 can be connected with the right casing 9 by adopting fasteners such as screws, the synchronous reverse rotating mechanism 4 is respectively connected with the left casing 8 and the right casing 9, the left connecting seat 43 can be connected with the right casing 9 by adopting fasteners such as screws, and the right connecting seat 44 can be connected with the right casing 9 by adopting fasteners such as screws. The right rotating part 3, the right rotating part 3 and the synchronous reverse rotating mechanism 4 of the folding mechanism can enable the left supporting plate 5 and the right supporting plate 6 and the left casing 8 and the right casing 9 to synchronously rotate reversely, and the flexible screen 7 can be unfolded, flattened and folded inwards to be closed.

The inboard of left side casing 8 and the inboard of right side casing 9 are provided with respectively with folding mechanism matched with cell body, and folding mechanism is located the below of flexible screen 7, and when opening the exhibition flat use, folding mechanism hides completely inside the product, and when the infolding is closed back, only left side casing 8, right side casing 9 and middle support 1's first base 11 expose, and is safer, stable, reliable.

Compared with the prior art, the utility model has the advantages that: the synchronous reverse rotation mechanism 4 of the folding mechanism can enable the left support plate 5 and the right support plate 6 and the left rotation part 2 and the right rotation part 3 to synchronously rotate reversely, so that the left casing 8 and the right casing 9 synchronously rotate reversely, and the flexible screen 7 is opened and flattened and folded inwards to be closed; when the flexible screen 7 is unfolded and flattened, the left rotating part 2 and the right rotating part 3 can support the left support plate 5 and the right support plate 6, so that the left support plate 5 and the right support plate 6 can stably support the flexible screen 7, when the flexible screen 7 is folded inwards and closed, one end of the left support plate 5, which is far away from the middle support 1, can stretch and twist the first elastic element 41, one end of the right support plate 6, which is far away from the middle support 1, can stretch and twist the second elastic element 42, the bent part of the flexible screen 7 can push one end of the left support plate 5, which is close to the middle support 1, and one end of the right support plate 6, which is close to the middle support 1, to swing outwards respectively, so that the bent part of the flexible screen 7 forms a water droplet shape, the total length of the flexible screen 7 cannot be changed, the screen is prevented from being damaged, the tensile force and the pressure in the length direction of the screen cannot be caused, and the flatness of the flexible screen 7 in the opening and using process can be ensured, the structure is compact, the size is small, the thickness of a product can be reduced, the left supporting plate 5 and the right supporting plate 6 can avoid the bending position of the flexible screen 7 through swinging, the structure is compact, the size is small, and the thickness of the product can be reduced; the rotating axis of the left rotating part 2 is coincided with the rotating axis of the left gear 45, the rotating axis of the right rotating part 3 is coincided with the rotating axis of the right gear 46, and the moving gears, a slideway, a shell and the like do not generate relative displacement during movement, so that the synchronization is more accurate, and the synchronization is safer, more stable and more reliable; the first elastic element 41 and the second elastic element 42 adopt C-shaped springs, so that the structure is simple, the tension and the torsion can be borne better at the same time, and the damage to parts and the like are reduced; therefore, the operation of opening, folding and the like is convenient, the stability and the reliability are high, the service life of the product is prolonged, the flexible screen 7 can be better applied to various mobile terminals such as mobile phones and tablet computers, and the application and the development of the product are expanded.

The above embodiments of the present invention are only for illustrating the technical solutions of the present invention, and not for limiting the same, it should be understood that modifications or substitutions for those skilled in the art can be made on the basis of the above description without departing from the inventive concept, and all such modifications and substitutions should fall within the protection scope of the appended claims. In this case all the details may be replaced with equivalent elements, and the materials, shapes and dimensions may be any.

Claims

1. The folding mechanism is characterized by comprising a middle support (1), a left support plate (5), a right support plate (6), a left rotating part (2) and a right rotating part (3) which are rotatably connected with the middle support (1), wherein the middle support (1) can enable the left support plate (5) and the right support plate (6) and the left rotating part (2) and the right rotating part (3) to synchronously and reversely rotate through a synchronous reverse rotating mechanism (4), the left support plate (5) and the right support plate (6) are used for supporting a corresponding flexible screen (7), one end, far away from the middle support (1), of the left support plate (5) is connected with a first elastic element (41) on the synchronous reverse rotating mechanism (4), one end, far away from the middle support (1), of the right support plate (6) is connected with a second elastic element (42) on the synchronous reverse rotating mechanism (4), along with flexible screen (7) infolding is closed, left support board (5) are close to the one end of middle support (1) with right branch fagging (6) are close to the one end of middle support (1) can outwards swing respectively in order to right the department of bending of flexible screen (7) dodges, along with flexible screen (7) are opened the exhibition, left side rotating part (2) with right side rotating part (3) can be right left support board (5) with right branch fagging (6) support.

2. The folding mechanism according to claim 1, characterized in that the length of the left support plate (5) and the length of the right support plate (6) substantially correspond to the length of the flexible screen (7), and the synchronous counter-rotating mechanism (4), the left rotating member (2) and the right rotating member (3) are respectively arranged at two ends of the intermediate bracket (1).

3. The folding mechanism according to claim 1, characterized in that the left rotating part (2) comprises a left rotating arm (21), the right rotating part (3) comprises a right rotating arm (31), the intermediate bracket (1) is provided with a first arc-shaped slideway (101) matched with the left rotating arm (21) and a second arc-shaped slideway (102) matched with the right rotating arm (31), the left rotating arm (21) has a first arc-shaped sliding portion (211) matched with the first arc-shaped slideway (101), and the right rotating arm (31) has a second arc-shaped sliding portion (311) matched with the second arc-shaped slideway (102).

4. The folding mechanism according to claim 3, wherein the left rotating arm (21) is located below the left support plate (5), the right rotating arm (31) is located below the right support plate (6), as the flexible screen (7) is unfolded and unfolded, the right support plate (6) can be supported by the top of one end of the first arc-shaped sliding portion (211) close to the right support plate (6), the left support plate (5) can be supported by the top of one end of the second arc-shaped sliding portion (311) close to the left support plate (5), as the flexible screen (7) is folded inward and closed, the first arc-shaped sliding portion (211) can be separated from the right support plate (6), and the second arc-shaped sliding portion (311) can be separated from the left support plate (5).

5. The folding mechanism according to claim 4, characterized in that the middle bracket (1) comprises a first base (11), a first fixing block (12) is arranged on the first base (11), the first arc-shaped slideway (101) and the second arc-shaped slideway (102) are arranged on the first fixing block (12), a first arc-shaped groove (121) and a second arc-shaped groove (122) are arranged on the first fixing block (12), one end of the left support plate (5) close to the middle bracket (1) can slide against the first arc-shaped groove (121), and one end of the right support plate (6) close to the middle bracket (1) can slide against the second arc-shaped groove (122).

6. The folding mechanism according to any one of claims 1 to 5, wherein the synchronous counter-rotating mechanism (4) comprises a left connecting seat (43), a right connecting seat (44), a left gear (45) arranged on the left connecting seat (43), and a right gear (46) arranged on the right connecting seat (44), the first elastic element (41) is arranged on the left connecting seat (43), the second elastic element (42) is arranged on the right connecting seat (44), and the left gear (45) and the right gear (46) can synchronously counter-rotate.

7. The folding mechanism according to claim 6, wherein the first elastic element (41) and the second elastic element (42) are both C-shaped springs, two ends of the first elastic element (41) are fixed on the left connecting seat (43), one end of the left support plate (5) far away from the middle support (1) is connected with the middle of the first elastic element (41), two ends of the second elastic element (42) are fixed on the right connecting seat (44), and one end of the right support plate (6) far away from the middle support (1) is connected with the middle of the second elastic element (42).

8. The folding mechanism according to claim 7, wherein one end of the left support plate (5) away from the middle bracket (1) is provided with a first rotating shaft (52) and a first connecting block (51) connected with the first elastic element (41), and the left connecting seat (43) is provided with a first avoiding groove (432) matched with the first connecting block (51) and a third arc-shaped groove (433) matched with the first rotating shaft (52).

9. The folding mechanism of claim 6, wherein the synchronous counter-rotating mechanism (4) further comprises a first friction plate (47) matched with the left side gear (45) and the right side gear (46), a first groove (431) matched with the left support plate (5) is arranged on the left connecting seat (43), a second groove (441) matched with the right support plate (6) is arranged on the right connecting seat (44), the rotating axis of the left rotating part (2) coincides with the rotating axis of the left side gear (45), and the rotating axis of the right rotating part (3) coincides with the rotating axis of the right side gear (46).

10. Folding mechanism of any of the above claims 1 to 9, further comprising the flexible screen (7) and a left housing (8) and a right housing (9) on which the flexible screen (7) is mounted, wherein the middle support (1) is located between the left housing (8) and the right housing (9), the left rotating member (2) is connected to the left housing (8), the right rotating member (3) is connected to the right housing (9), the synchronous counter-rotating mechanism (4) is connected to the left housing (8) and the right housing (9), the right rotating member (3) and the synchronous counter-rotating mechanism (4) enable the left housing (8) to be rotated in synchronization with the right housing (9) and the left support plate (5) to be rotated in synchronization with the right support plate (6) in counter-rotation to enable the flexible screen (7) to be folded in synchronization with the left housing (8) and the right housing (9) to be folded in synchronization with the right support plate (6) The flexible screen (7) is opened to be flat and folded inwards to be closed.