TWM630870U - Flexible screen shaft structure - Google Patents

Abstract

The present invention is a flexible screen hinge structure, wherein the two first arc portions of a base are pivotally connected to two hinge modules respectively, and the two hinge modules are connected to the synchronizing component and the torsional positioning component via at least one shaft. One end of a rotating member of any rotating shaft module is connected to the first arc-shaped portion, and the rotating member has a guide groove; a first straight rod of a supporting member is limited to be located in the guide groove; , The third straight rod is pivotally connected to the rotating member and the support member, and the other end of the shell-connecting member has a flat guide hole penetrating the shell-connecting member, and the flat guide hole is perpendicular to the second and third straight rods; At least one shaft is connected in a synchronous rotation manner, and a flat sliding rod at the other end of the moving piece passes through the flat guiding hole, so that the other end of the moving piece can move in the flat guiding hole of the shell connecting piece.

Description

Flexible screen hinge structure (1)

This work is about a hinge, especially a flexible screen hinge structure of a foldable electronic device.

Conventional foldable electronic devices, such as the display and base of a notebook computer, are mainly pivoted by connecting the sides of the display and the base respectively through a single-axis hinge, so that the display can be flipped up or closed relative to the base. In addition to traditional notebook computers, especially for existing dual-touch screen computers, the current design direction of folding devices is mainly to improve the shortcomings of dual-touch screen computers, so that the dual-screen During the opening and closing process, they can approach each other and reduce the gap between them, so as to avoid the internal structure of the hinge or pivot joint from being exposed.

In the existing "flexible screen foldable device", depending on the inward or outward folding of the flexible screen and the curvature of the curved portion, it is necessary to match the design of different hinge structures, so as to avoid the tugging caused by hindering the folding action of the flexible screen. The folding device with the flexible screen folded inward mainly follows the traditional folding device in the opening and closing action. After folding, the flexible screen can be protected inside, and it is relatively close to the user's habit and is easy to accept. However, in this type of product , the structural design of the hinge structure will be limited by the type of flexible screen used, and it must also be considered that the curved part of the flexible screen will be in a water drop shape or a horseshoe shape after being folded inwards, resulting in differences. Among them, for the water drop-shaped rotating shaft structure, the components to be considered and the connection relationship and action between each other are the key factors affecting whether the flexible screen is easy to be damaged and the service life; and due to the required components There are many, and it is a very challenging issue in manufacturing and assembly.

For the teardrop-shaped rotating shaft structure, as shown in each of the patent cases of CN110630625B, CN109469680B, CN109654113B and CN209959699U, the main purpose is to try various structural designs to match the flexible screen, so as to have the effect of thinning and overall beauty. Under the consideration of the existing manufacturing process and cost, in order to achieve the effect of thinning, when the rotating shaft structure is folded, the effect of forming a virtual rotation center is better. A single virtual center of rotation". However, in order to make the movement of the overall mechanism closer to the water drop shape after the flexible screen is folded inwardly to reduce damage, it has been successively developed into "dual virtual rotation centers" combined with "single, The structure of the "double crank connecting rod mechanism", but the manufacturing and assembly of the "crank connecting rod mechanism" is more complicated than the previous "drop-shaped rotating shaft structure", and has higher specifications and quality requirements, such as: in In the assembly of the various parts of the crank connecting rod mechanism, since the structural shape of the "connecting rod mechanism" is not conventional, the angle during assembly will be special, which makes the assembly requirements more stringent and more difficult.

In view of this, in order to provide a structure that is different from the conventional technology and improve the above-mentioned shortcomings, the creator has accumulated many years of experience and continuous research and development improvement, so this creation came into being.

One of the purposes of this creation is to provide a flexible screen rotating shaft structure, so as to solve the problem that the structure and shape of the conventional link mechanism is complex and difficult to assemble, and can be designed to be separable by improving the shape of each link mechanism and dispersing the structure. The disassembled and composite structure is matched with modular parts to improve the convenience of assembly, and to make the relative sliding between the moving part and the shell part stable and smooth, and help to reduce the influence of abnormal noise.

In order to achieve the purpose of the above creation, the flexible screen hinge structure set in this creation includes a base and two opposite hinge modules. The base has a first side and a second side that are juxtaposed at intervals. There are two opposite first arc parts between the sides; one end of the two rotating shaft modules is connected to the one-moving component and a twisting positioning component through at least one shaft, and one end of the two rotating shaft modules is pivotally connected to the two second An arc-shaped part is used for the relative rotation and opening and closing of the two rotating shaft modules; and the rotating shaft module includes a rotating part, a supporting part, a casing part and a moving part, and one end of the rotating part has a first guide The first guiding part is connected to the first arc-shaped part in a relatively arc-shaped swing, and the middle of the rotating part has a guide groove; One end has a first straight rod, and the first straight rod is movably limited in the guide groove of the rotating member; the bottom end of the shell-connecting member is connected with a casing, and one end of the shell-connecting member is pivotally connected with a second straight rod The other end of the rotating piece is pivotally connected to the other end of the supporting piece with a third straight rod, the second straight rod is parallel to the third straight rod; the other end of the shell-connecting piece has a flat guide hole, the flat guide hole penetrates The other end of the shell, and the extension direction of the flat guide hole is perpendicular to the axis direction of the second straight rod and the third straight rod; The other end is provided with a flat sliding rod, the flat sliding rod passes through the flat guiding hole, and the other end of the co-moving member is limited in the flat guiding hole of the shell-connecting member in a relatively movable manner.

During implementation, the present invention further includes a support base, one end of the support base is connected to one end of the base; the other end of the support base has at least one fin for rotatably positioning at least one shaft; the synchronizing component is a gear set, the support base There is a limit slot between the two ends of the gear for accommodating the limit gear set.

During implementation, the other end of the support seat has two fins, and at least one shaft includes a first shaft and a second shaft, and the first shaft and the second shaft pass through the two fins of the support in sequence. A first end seal and a second end seal are respectively used to lock the first shaft rod and the second shaft rod to fix the compression and torsion positioning assembly.

During implementation, at least one side of the flat guide hole has a tapered hole, and at least one side of the flat sliding rod has a tapered portion corresponding to the tapered hole.

During implementation, the present invention further includes at least one inserting piece for inserting into the flat guide holes respectively, one side of at least one inserting piece has the tapered hole, and the other side of at least one inserting piece has an outwardly facing hole. A positioning block protrudes; at least one side of the flat guide hole has a positioning hole for accommodating and limiting the positioning block.

During implementation, the other end of the shell-connecting member has at least one vertical hole, the at least one vertical hole penetrates the shell-connecting member up and down, at least one vertical hole corresponds to at least one side of the flat guide hole, and at least one vertical hole has a flat guide hole. positioning holes on at least one side.

When implemented, the present invention further includes an elastic positioning member, the elastic positioning member is connected to the bottom of the base, and at least one end of the elastic positioning member has at least one arc-shaped piece for elastically pressing the first guide portion upward.

During implementation, there is a limit portion between the guide groove of the rotating piece and the first guide portion, the arc-shaped bottom surface of the first guide portion has at least one arc-shaped slot, and the at least one arc-shaped slot communicates with the limit portion, The at least one arc-shaped piece of the elastic positioning member elastically presses upward against the arc-shaped bottom surface of the first guide portion, and is positioned on the limiting portion along the at least one arc-shaped slot.

During implementation, the first arc-shaped part includes a stop block and two parallel and spaced arc-shaped blocks, and the stop block is located between the two arc-shaped blocks; the first guide part further has a groove and two Spaced arc-shaped grooves, two arc-shaped grooves are located on opposite sides of the first guide portion to respectively connect to the two arc-shaped blocks of the first arc-shaped portion, and at least one arc-shaped slot is located between the two arc-shaped grooves. It communicates with a notch and the notch is located at the end edge of the first guide portion and between the two arc-shaped grooves for butt joint engagement with the stop block to form a stop function.

During implementation, one end of the shell-connecting member has a lug, and the other end of the shell-connecting member has a plate with parallel lugs; the lug and one side of the plate are respectively positioned at the two ends of the second straight rod and the third straight rod; The two straight rods are pivotally connected to a first pivot hole at the other end of the rotating member, so that the housing connecting member and the rotating member can rotate relatively; The support piece rotates relatively; the flat guide hole penetrates the plate of the shell piece.

In order to facilitate a deeper understanding of this creation, it is detailed below:

Please refer to FIG. 1 to FIG. 12 , which are a preferred embodiment of the flexible screen hinge structure 1, which mainly includes a base 2, two hinge modules (3, 3'), a support base 4, and a moving Assembly 5 and a torsional positioning assembly 6. The base 2 is an elongated body, and the top of the base 2 has two opposite first arc portions (21, 21'), and any first arc portion (21, 21') includes a stopper 22 and Two parallel and spaced arc-shaped blocks (23, 23'), and the stop block 22 is located between the two arc-shaped blocks (23, 23').

The two rotating shaft modules (3, 3') have the same appearance and structure, and are correspondingly disposed on two parallel sides of the base 2. The two rotating shaft modules (3, 3') are pivotally connected to the two first arcs respectively. The parts (21, 21') are used to drive the two halves of the flexible screen 9 to be turned over and closed relative to each other. Taking one of the two rotating shaft modules (3, 3') as an example, the rotating shaft module 3 mainly includes a rotating member 31, an elastic positioning member 32, a supporting member 33, a casing member 34 and a moving member 35.

One end of the rotating member 31 is provided with a first guide portion 311. The first guide portion 311 includes a notch 312, two spaced arc-shaped grooves 313, and two parallel and spaced arc-shaped slits 314. 312 is located at the end edge of the first guide portion 311 and between the two arc-shaped grooves 313; two arc-shaped slots 314 are located on the arc-shaped bottom surface of the first guide portion 311 and between the two arc-shaped grooves 313 . The notch 312 communicates with the two arc-shaped slits 314 and is connected to the stopper 22 , and the first guide portion 311 is connected to the first arc-shaped portion 21 of the base 2 , so as to allow the rotating member 31 to swing relative to the base 2 in an arc-shaped manner. When the stopper block 22 engages the notched groove 312, a stopper effect is formed to prevent excessive swinging. The other end of the rotating member 31 has a long guide slot 315 and a first pivot hole 316 . There are two through holes between the guide slot 315 and the first guide portion 311 for communicating with the two arc-shaped slots 314 respectively. , the two perforations serve as the limiting portion 317 .

The middle section of the elastic positioning member 32 is a flat plate for locking the bottom of the base 2 upward; the two ends of the flat plate are respectively provided with two arc-shaped pieces 321 bent upward in an arc shape, and the two arc-shaped pieces 321 are located between the rotating members 31 . During the swinging process, the arc-shaped bottom surface of the first guide portion 311 is elastically pressed upward along the two arc-shaped slits 314 respectively; when one end of the two arc-shaped pieces 321 is engaged with the notch 312 by the stopper block 22, It is positioned in the two through holes of the limiting portion 317 to clamp against the rotating member 31 and prevent the rotating member 31 from being easily rotated out of the base 2 to cause loosening when the rotating member 31 swings in an arc shape.

The support member 33 is a flat U-shaped block, and the top surface of the support member 33 is locked to one of the two support sheets (91, 91') 91, so as to support one of the two halves of the flexible screen 9. One end of the support member 33 is provided with two spaced apart protrusions (331, 332), the two protrusions (331, 332) are respectively positioned at two ends of a first straight rod 333, and the first straight rod 333 simultaneously penetrates the guide groove of the rotating member 31 315 , so that the first straight rod 333 is movably limited in the guide groove 315 ; the other end of the support member 33 has a second pivot hole 334 .

The shell-attaching member 34 is a rectangular plate, the bottom surface of the shell-attaching member 34 is locked with one of the two casings (92, 92'), one of the casings 92, and one end in the longitudinal direction of the shell-attaching member 34 has a lug 341, and the shell-attaching member 34 has a lug 341 at one end in the longitudinal direction. The other end in the longitudinal direction of the piece 34 has a plate 342 with parallel lugs 341; the lugs 341 and one side of the plate 342 are respectively positioned at the two ends of a second straight rod 343 and a third straight rod 344; The rod 343 is parallel to the third straight rod 344, and the second straight rod 343 is pivotally connected to the first pivot hole 316 at the other end of the rotating member 31, so as to allow the housing connecting member 34 to rotate relative to the rotating member 31; the third straight rod 344 is pivotally connected to the supporting member The second pivot hole 334 at the other end of the 33 allows the housing part 34 and the support part 33 to rotate relative to each other. In order to facilitate assembly, the components are modularized. For example, the first straight rod 333, the second straight rod 343 and the third straight rod 344 are respectively straight round rods, and one end of the straight round rod has a stop head and An adjacent external thread segment, so that the external thread segment and the internal thread in the corresponding hole can form a quick locking effect and facilitate adjustment.

The plate 342 of the shell-connecting member 34 has a flat guide hole 345, two parallel long sides of the flat guide hole 345 respectively have a tapered hole (346, 346'), and the two tapered holes (346, 346') are respectively located away from the flat guide hole 345. The direction of the two long sides of the guide hole 345 extends outward and tapers; the flat guide hole 345 and the two tapered holes ( 346 , 346 ′) simultaneously penetrate the plate 342 of the shell member 34 , and the flat guide hole 345 , the two tapered holes The extending direction of the shrinkage holes (346, 346') is perpendicular to the axial direction of the second straight rod 343 and the third straight rod 344.

During implementation, the plate 342 of the shell-connecting member 34 further has two vertical holes (347, 347'), the two vertical holes (347, 347') penetrate the plate 342 up and down respectively, and the two vertical holes (347, 347') correspond to the flat guides respectively. Two sides of the hole 345 are respectively formed with positioning holes (348, 348'); and the two inserts (349, 349') are made of plastic steel (Polyoxymethylene, POM), and one side of the two inserts (349, 349') are respectively There are tapered holes (346, 346'), the other sides of the two inserts (349, 349') are respectively provided with positioning blocks (340, 340') protruding outward; the two positioning blocks (340, 340') are respectively limited to the two positioning holes ( 348 , 348 ′), so that the two inserting parts ( 349 , 349 ′) are respectively embedded in the two sides of the flat guide hole 345 .

The co-moving member 35 is an elongated connecting rod. One end of the co-moving member 35 in the longitudinal direction has a shaft hole 351. The shaft hole 351 has two parallel surfaces, so as to be sleeved with one of the first shaft rods 7 of the two shaft rods. After that, let the co-moving member 35 rotate synchronously with the first shaft 7, and let the co-moving member 35 swing relative to the base 2 in an arc; the other end of the co-moving member 35 in the longitudinal direction has a flat sliding rod 352, The two parallel long sides respectively have a tapered protrusion, the two tapered protrusions extend and taper outward in the direction away from the two long sides of the flat sliding rod 352 respectively, and the two tapered protrusions serve as two tapered protrusions. Retraction (353, 353'). The flat sliding rod 352 and the two tapered parts (353, 353') have the same shape as the flat guiding hole 345 and the two tapered holes (346, 346') respectively, so that the flat sliding rod 352 and the two tapered parts (353, 353) have the same shape respectively. ') can pass through the flat guide hole 345 and the two tapered holes (346, 346') at the same time, so that the flat sliding rod 352 at the other end of the co-moving member 35 can move relatively in the flat guide hole 345 of the shell connecting member 34; And through the cooperation of the two tapered parts (353, 353') and the two tapered holes (346, 346'), the co-moving member 35 and the shell-connecting member 34 can slide relative to each other more stably, resulting in a guiding and limiting effect and reducing the difference. sound effect.

The support base 4 is a long plate, one end of the support base 4 has an extension convex plate 41, the extension convex plate 41 overlaps and locks one end of the base 2 in the longitudinal direction; the other end of the support base 4 has two opposite wings Plates (42, 42'), there is a limiting groove 43 between the two ends of the support base 4 for accommodating the limiting one-moving assembly 5. In this embodiment, the co-moving component 5 is a gear set, including a first gear 51 , an intermediate gear set 52 and a second gear 53 which are adjacent to each other in sequence, wherein the first gear 51 is axially connected to the first gear 51 . A shaft 7, the first gear 51 can also be integrally formed with the first shaft 7; the second gear 53 is connected to one of the second shafts 71 of the two shafts, and the second gear 53 can also be connected with the second shaft The rod 71 is integrally manufactured and formed; one end of the first shaft rod 7 passes through a gap 81 of a support plate 8 and is then connected to the shaft hole 351 of the positioning synchronizing member 35, so that the synchronizing member 35 and the first shaft rod 7 can rotate synchronously One end of the second shaft rod 71 passes through another gap 82 of the support plate 8, and then connects and locates the shaft hole 351' of another co-moving member 35', so as to allow another co-moving member 35' to rotate synchronously with the second shaft rod 71 , and at the same time let the two moving parts (35, 35') rotate in opposite directions to open and close.

The other end of the first shaft rod 7 and the other end of the second shaft rod 71 respectively pass through the two fins (42, 42') of the support base 4, so that the support base 4 can rotatably position the two shaft rods; After passing through the two fins (42, 42'), the two shaft rods pass through a torsion positioning assembly 6, and are respectively locked with a first end seal 61 and a second end seal 62 to the first end seal 61. The shaft 7 and the second shaft 71 are used to fix the compression and torsion positioning assembly 6, so that the two halves of the flexible screen 9 that are bent relative to each other can rotate stably during the process of turning over to closing or fully unfolding, and when rotating Freedom stagnated at a certain angle.

To sum up, in this creation, not only the connection between the flat sliding rod and the flat guide hole, but also the cooperation between the two tapered parts and the two tapered holes can be used, so that the co-moving part and the shell-connecting part can stably move back and forth relative to each other. Sliding can increase the smooth feeling during use, and can produce guiding and limiting effect, reduce the influence of abnormal noise, and prolong the service life of the component; The straight rod is movably limited in the guide groove, so that the support member and the rotating member can be smoothly bent at an angle, and the convenience of assembly can be improved after the shape of each link mechanism is improved and the structure is dispersed.

Furthermore, through the elastic pressing of the elastic positioning member against the bottom surface of the rotating member, not only can the two rotating members be unfolded relative to each other, the force of clamping and continuous abutting support can be formed, and the rotating member can be prevented from contacting the seat body when the arc swings. loose, and can reduce the influence of the manufacturing tolerance of the arc-shaped rotating structure, thereby improving the yield of the product. In addition, if the rotating part, the supporting part and the housing part are regarded as a "combined module", and the synchronizing part and the torsional positioning part are regarded as a "common module", by changing the structure of the "synchronizing part" In the future, different types of "combination modules" or "common modules" can be used as needed; among them, by replacing different "combination modules", the curvature of the curved part after the "flexible screen" is folded inward can be changed, It is suitable for "flexible screen" types of different specifications; by replacing different "common modules", different types of "two-axis synchronous mechanism" can be used according to needs, which is not only more flexible in product application, but also can Effectively use common components to save costs.

And by modularizing the parts of the first straight rod, the second straight rod and the third straight rod, the effect of quick locking can be formed, and the adjustment and assembly are convenient. In addition, two shrinking vertical holes are arranged at the plate of the shell-connecting member, and the two vertical holes penetrate vertically through the two sides of the flat guide hole respectively, and the positioning blocks of the two inserting members are respectively embedded in the positioning of each vertical hole. After the holes are formed, two tapered holes for guide rails can be formed respectively. Therefore, it is not only convenient to manufacture the shell parts to increase the yield of forming, but also the POM insert parts can be easily identified and positioned, making the assembly more reliable. .

Although this creation discloses preferred specific embodiments to achieve the above-mentioned purpose, it is not intended to limit the structural features of this creation. Variations or modifications thereof are possible and are all covered by the scope of the patent application for this creation.

1: Flexible screen hinge structure 2: base 21,21': the first arc 22: stop block 23,23': Arc Block 3,3': Rotary shaft module 31: Turning parts 311: The first guide 312: missing slot 313: Arc groove 314: Arc Slot 315: Guide groove 316: The first pivot hole 317: Limiting part 32: Elastic positioning piece 321: Curved piece 33: Supports 331, 332: Bumps 333: The first straight rod 334: Second pivot hole 34: Shell parts 341: lugs 342: Plate 343: Second straight rod 344: Third straight rod 345: Flat pilot hole 346,346': Tapered hole 347,347’: vertical hole 348, 348': Positioning holes 349,349’: Inserts 340, 340': positioning block 35,35': Synchronizer 351,351': Shaft hole 352: Flat sliding rod 353,353': Taper 4: Support seat 41:Extended convex plate 42, 42': fins 43: Limit slot 5: Synchronous components 51: First gear 52: Intermediate gear set 53: Second gear 6: Twist positioning assembly 61: First end seal 62: Second end seal 7: The first shaft 71: Second shaft 8: Support plate 81, 82: Notch 9: Soft screen 91, 91': support piece 92,92': Chassis

﹝ FIG. 1 ﹞ is a schematic diagram of the three-dimensional appearance of the preferred embodiment of the creation installed between the flexible screen and the two casings. ﹝ FIG. 2 ﹞ is a schematic diagram of the three-dimensional appearance of the preferred embodiment of this creation. ﹝ FIG. 3 ﹞ is an exploded view of the components of the preferred embodiment of this creation. ﹝ FIG. 4 ﹞ is an exploded view of the components of the shell connector according to the preferred embodiment of this creation. ﹝ FIG. 5 ﹞ is a top view of the preferred embodiment of this creation when it is unfolded. ﹝ FIG. 6 ﹞ is the A-A' sectional view of FIG. 5 . (Fig. 7) is a sectional view taken along the line B-B' of Fig. 5. ﹝ FIG. 8 ﹞ is a schematic cross-sectional view of the preferred embodiment of this creation when it is half-deployed. ﹝ FIG. 9 ﹞ is a schematic cross-sectional view of the preferred embodiment of the present invention when it is half-deployed. ﹝ FIG. 10 ﹞ is a schematic cross-sectional view of the preferred embodiment of this creation when it is closed. ﹝ FIG. 11 ﹞ is a schematic cross-sectional view of the preferred embodiment of this creation when it is closed. ﹝ FIG. 12 ﹞ is a schematic diagram of the three-dimensional appearance of the preferred embodiment of this creation when it is closed.

1: Flexible screen hinge structure

2: base

3,3': Rotary shaft module

31: Turning parts

33: Supports

333: The first straight rod

34: Shell parts

343: Second straight rod

344: Third straight rod

345: Flat pilot hole

346,346': Tapered hole

35,35': Synchronizer

4: Support seat

5: Synchronous components

6: Twist positioning assembly

7: The first shaft

71: Second shaft

91, 91': support piece

Claims (10)

A flexible screen rotating shaft structure, which includes a base and two opposite rotating shaft modules, the base has a first side and a second side that are spaced and juxtaposed, and the first side and the second side are opposite. two first arc-shaped parts; one end of the two rotating shaft modules is connected to a moving component and a torsional positioning component through at least one shaft, and the ends of the two rotating shaft modules are pivotally connected to the two first arcs respectively A shaped part for the relative rotation of the two shaft modules to open and close; the shaft module includes: a rotating member, one end of which has a first guide portion, the first guide portion is connected to the first arc-shaped portion in a relatively arc-shaped swing, and a guide groove is provided in the middle of the rotating member; a support piece, the top of which is connected with a support piece for supporting a flexible screen upward, and one end of the support piece has a first straight rod, the first straight rod is movably limited in the guide groove of the rotating piece ; A shell-connecting member, the bottom end of which is connected to a casing, one end of the shell-connecting member is pivotally connected to the other end of the rotating member with a second straight rod; At the other end of the support piece, the second straight rod is parallel to the third straight rod; the other end of the shell connecting piece has a flat guide hole, the flat guide hole penetrates the other end of the shell connecting piece, and the flat shape The hole extending direction of the guide hole is perpendicular to the axis direction of the second straight rod and the third straight rod; and A moving piece, one end of which is connected to the at least one shaft in a synchronous manner, the other end of the moving piece has a flat sliding rod, the flat sliding rod passes through the flat guiding hole for the other end of the moving piece It is limited in the flat guide hole of the shell-connecting member in a relatively movable manner. The flexible screen rotating shaft structure of claim 1, further comprising a support base, one end of the support base is connected to one end of the base; the other end of the support base has at least one fin for rotatably positioning at least one shaft; the The synchronizing component is a gear set, and a limiting groove is arranged between the two ends of the support seat for accommodating and limiting the gear set. The flexible screen hinge structure of claim 2, wherein the other end of the support base has two fins, the at least one shaft includes a first shaft and a second shaft, the first shaft and the second shaft The shaft rod passes through the two fins of the support seat and the torsional positioning assembly in sequence, and a first end seal and a second end seal are respectively used to lock the first shaft rod and the second shaft rod , for fixing and compressing the torsional positioning assembly. The flexible screen hinge structure of claim 1, wherein at least one side of the flat guide hole has a tapered hole, and at least one side of the flat sliding rod has a tapered portion corresponding to the tapered hole. The flexible screen rotating shaft structure of claim 4, further comprising at least one insert piece for inserting into the flat guide hole respectively, one side of the at least one insert piece has the tapered hole, and the at least one insert piece has the tapered hole. The other side of the connecting piece has a positioning block protruding outward; at least one side of the flat guide hole has a positioning hole for accommodating and limiting the positioning block. The flexible screen rotating shaft structure of claim 5, wherein the other end of the shell-connecting member has at least one vertical hole, the at least one vertical hole penetrates the shell-connecting member up and down, and the at least one vertical hole corresponds to at least one of the flat guide holes. one side, and the at least one vertical hole has the positioning hole on at least one side of the flat guide hole. The flexible screen rotating shaft structure according to any one of claims 1 to 6, further comprising an elastic positioning member, the elastic positioning member is connected to the bottom of the base, and at least one end of the elastic positioning member has at least one arc-shaped piece for the upward direction The first guide portion is elastically pressed against the first guide portion. The flexible screen rotating shaft structure of claim 7, wherein a limiting portion is provided between the guide groove of the rotating member and the first guide portion, and an arc-shaped bottom surface of the first guide portion has at least one arc-shaped slit , the at least one arc-shaped slot communicates with the limiting portion, for the at least one arc-shaped piece of the elastic positioning member to elastically press the arc-shaped bottom surface of the first guide portion upward, and along the at least one arc-shaped slot The groove is positioned on the limiting portion. The flexible screen rotating shaft structure of claim 8, wherein the first arc-shaped portion includes a stop block and two parallel and spaced arc-shaped blocks, the stop block is located between the two arc-shaped blocks; The guide portion further has a notch and two spaced arc-shaped grooves, and the two arc-shaped grooves are located on opposite sides of the first guide portion to connect with the two arc-shaped blocks of the first arc-shaped portion respectively. , the at least one arc-shaped slot is located between the two arc-shaped slots and communicates with the notch, the notch is located at the edge of the first guide portion and between the two arc-shaped slots for docking The stop is engaged to form a stop. The flexible screen hinge structure according to any one of claims 1 to 6, wherein one end of the shell-connecting member has a lug, and the other end of the shell-connecting member has a plate parallel to the lug; the lug and the plate A side surface locates the two ends of the second straight rod and the third straight rod respectively; the second straight rod is pivotally connected to a first pivot hole at the other end of the rotating member, so that the shell-connecting member is opposite to the rotating member rotating; the third straight rod is pivotally connected to a second pivot hole at the other end of the support piece, so as to allow the shell-connecting piece to rotate relative to the support piece; the flat guide hole penetrates the plate of the shell-connecting piece.

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