TWM649990U - Flexible screen hinge structure - Google Patents

Abstract

This invention is a flexible screen rotating shaft structure, a base of which has first and second positioning blocks, and the two ends of the first and second positioning blocks respectively have an arc portion; a linkage member is limited to the first and second positioning blocks between them, and the linking member has two first spiral parts; the two rotating shaft modules are connected to a torsion positioning component through at least one shaft and are respectively pivoted to two arc-shaped parts, and any rotating shaft module includes an arc-shaped swing arm , a guide part of the arc-shaped swing arm is connected to the arc part, and a second spiral part is connected to the first spiral part; a housing connecting rod is pivotally connected to the arc-shaped swing arm, and an actuating link is connected to at least one shaft rod, A sliding part of the co-moving link is connected to a guide rail of the housing link, thereby allowing the two rotating shaft modules to rotate relative to each other and allow the linking member to move in a chute at the bottom of the first positioning block.

Description

Flexible screen shaft structure

The invention relates to a hinge, in particular to a flexible screen hinge structure of a foldable electronic device.

Traditional foldable electronic devices, such as laptop monitors and bases, foldable tablets, or flexible-screen foldable mobile phones, some use single-axis hinges to connect the sides of the display and the base to form a pivot, and some connect flexible displays to allow The display can be flipped up or closed relative to the base, or the flexible display can be flipped directly. In addition to traditional notebook computers, especially for existing dual-touch screen electronic devices, the current design direction of folding devices is mainly to improve the shortcomings of dual-touch screen electronic devices. Allow the dual screens to be close to each other during the opening and closing process, reducing the gap between each other to prevent the internal structure of the hinge or pivot joint from being exposed.

In existing "flexible screen foldable devices", different shaft structure designs are required according to the curvature of the flexible screen after folding in or out, so as to avoid hindering the folding action of the flexible screen and causing pulling. The opening and closing action of the foldable device that folds inside the flexible screen mainly follows the traditional folding device. After folding, the flexible screen can be protected inside, and it is closer to the user's habits and is easier to accept. However, in this type of product , the structural design of its rotating shaft 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 after folding in will appear in either a water drop shape or a horseshoe shape, resulting in differences.

For the water-drop-shaped rotating shaft structure, the components that need to be considered and the connection relationships and actions between them are key factors that affect whether the flexible screen is easy to be damaged and its service life; and because there are many components required , it is a very challenging issue in manufacturing and assembly. Among them, as shown in the patent case No. CN109469680B "Rotating shaft module of foldable device", the rotating shaft module includes a base and a first sliding mechanism. The base is located between the first and second housings, and The first sliding mechanism includes a first sliding cover, a support member, a left four-bar linkage mechanism and a swing member. The first sliding cover is connected to the first housing, and one end of the first linkage member and the second linkage member of the left four-bar linkage mechanism are respectively pivoted to the base, so that the first and second housings are relatively flipped to make the left four-bar linkage mechanism When the swinging member is activated, the first sliding cover is linked, and a supporting part of the supporting member is deflected at an angle to accommodate the bending part of the flexible display. In addition, as shown in the case of "A hinge module for a foldable device" in CN109654113B, various structural designs are also tried with flexible screens to achieve both thinness and overall beauty.

In actual use, the two "sliding mechanisms" in each of the above patents are rotated relative to each other through a "gear set", but their "gear synchronization structure/gear set" is composed of four gears. , not only makes the overall parts complex, but also easily increases the tooth gap and produces abnormal noise.

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 and improvement, and thus came into being this creation.

One of the purposes of this creation is to provide a flexible screen shaft structure that can solve the problem of the complexity of the whole parts of the conventional shaft structure and the easy increase of tooth clearance and abnormal noise caused by the use of gear co-moving structures. It can be used through two shaft modules Two arc-shaped parts are respectively pivotally connected, and two second spiral parts are respectively connected to the two first spiral parts to drive the linkage to move, and at the same time, the two rotating shaft modules are allowed to rotate relative to each other, thereby simplifying the number of parts. It improves the convenience during assembly, makes the linkage more stable, reduces the occurrence of abnormal noise, and helps reduce the impact of abnormal noise.

In order to achieve the above-mentioned purpose, the flexible screen rotating shaft structure of this invention includes a base, a linking piece and two rotating shaft modules. The base has a first positioning block and a second positioning block spaced side by side in the longitudinal direction. The bottom of the first positioning block has a slide groove. The two ends of the first positioning block and the second positioning block respectively have an arc portion. ; The linking piece is limited between the first positioning block and the second positioning block, and the linking piece has two first spiral parts in opposite directions; one end of the two rotating shaft modules is connected to a torsion positioning component through at least one shaft, and the two One end of the rotating shaft module is pivotally connected to two arc-shaped parts respectively, for the two rotating shaft modules to rotate relative to each other for opening and closing; any rotating shaft module includes an arc-shaped swing arm, a housing connecting rod and a co-moving connecting rod. One end of the swing arm has a guide part and a second spiral part. The guide part is connected to the arc part in a relatively arc-shaped swing. The second spiral part is connected to the first spiral part for driving the linkage part in the chute. Move; the other end of the arc-shaped swing arm has a door panel to support a flexible screen upward; the bottom end of the housing connecting rod is connected to a casing, and one end of the housing connecting rod is pivoted to the other end of the arc-shaped swing arm with a straight rod , The other end of the housing connecting rod has a guide rail; one end of the co-moving connecting rod is connected to at least one shaft rod in a synchronous rotation manner, and the other end of the co-moving connecting rod has a sliding part, and the sliding part is connected to the guide rail in a relatively moving manner.

During implementation, the base includes a base body and a bottom shell. The base body has two arc-shaped parts. The bottom shell has a positioning groove for accommodating and connecting the base body.

During implementation, there is a first groove between the first positioning block and the second positioning block for accommodating the limiting linkage; a second groove is provided on one side of the first positioning block, and the second groove is connected to the second positioning block through the slide groove. One slot, when the two-axis module is turned over, the linkage slides from the first slot to the second slot.

When implemented, the invention further includes a support base. One end of the support base is connected to one side of the base body. The other end of the support base has two wings. At least one shaft includes a first shaft and a second shaft. The first shaft and the second shaft pass through the two fins and the torsion positioning component in sequence, and a seal at one end is used to position the first and second shaft for fixing the compression torsion positioning component.

During implementation, one end of the support base has an extending protruding plate, and the extending protruding plate overlaps and locks with a protruding block in the second groove of the base body.

During implementation, the two wings each have a first stopper, and one end of the co-moving connecting rod has a second stopper corresponding to the first stopper. When the two rotating shaft modules are flattened, the first stopper One of the first stop surfaces of the first stop part presses against the second stop surface of the second stop part; when the two rotating shaft modules are aligned, the third stop surface of the first stop part presses against the second stop surface. One of the stop parts is the fourth stop surface.

During implementation, the arcuate part includes two parallel and spaced arcuate grooves, the guide part includes two spaced arcuate blocks, and the two arcuate blocks are located on opposite sides of the guide part to butt the arcuate part respectively. Two arc-shaped grooves.

During implementation, the first spiral part is an arc-shaped spiral groove on the linking member, and the second spiral part is an arc-shaped spiral ridge on the arc-shaped swing arm.

During implementation, one end of the housing connecting rod has a first plate, and the other end of the housing connecting rod has a second plate parallel to the first plate; one side of the first plate and the second plate respectively positions the two ends of the straight rod. ; The straight rod is pivotally connected to a pivot hole at the other end of the arc-shaped swing arm for relative rotation of the housing connecting rod and the arc-shaped swing arm; the bottom surface of the second plate of the housing connecting rod has a guide rail, and the guide rail is a guide groove.

During implementation, the sliding part of the co-moving link is a flat plate, and the sliding part has a limiting groove; the bottom surface of the second plate has a limiting piece, and the limiting piece penetrates into the limiting groove to limit the sliding part.

During implementation, the second plate has a fixing hole, one end of the limiting member is fixedly coupled to the fixing hole, and the other end of the limiting member penetrates into the limiting groove.

When implemented, the invention further includes at least one concave and convex piece, and at least one concave and convex piece is sleeved with at least one shaft; at least one end of the two co-moving connecting rods has an axis hole, and the axis hole has two parallel surfaces. It is used to connect at least one shaft rod in a synchronous rotation manner; at least one side of one end of the synchronous connecting rod has a concave and convex part for docking with at least one concave and convex piece.

In order to facilitate a deeper understanding of this creation, it is described in detail below:

The rotating shaft structure of the flexible screen of this invention mainly includes a base, a linkage and two rotating shaft modules in opposite directions. The base has a first positioning block and a second positioning block spaced side by side in the long direction. The bottom of the first positioning block has A chute, the two ends of the first positioning block and the second positioning block have opposite arc-shaped parts; the linking member is limited between the first positioning block and the second positioning block, and the linking member has two opposite ends A spiral part; one end of the two rotating shaft modules is connected to a torsion positioning component through at least one shaft rod, and one end of the two rotating shaft modules is respectively pivoted to two arc-shaped parts for relative rotation opening and closing of the two rotating shaft modules; wherein Any rotating shaft module mainly includes an arc-shaped swing arm, a housing connecting rod and a moving link. One end of the arc-shaped swing arm has a guide part and a second spiral part, and the guide part is in a relatively arc-shaped shape. The arc-shaped part is connected in a swinging manner; the second spiral part is connected to the first spiral part to drive the linking member to move in the chute; the other end of the arc-shaped swing arm has a door panel to support a flexible screen upward; the housing connecting rod The bottom end of the connecting rod is connected to a casing, one end of the connecting rod of the casing is pivotally connected to the other end of the arc-shaped swing arm, and the other end of the connecting rod of the casing has a guide rail; one end of the co-moving connecting rod is connected to at least one shaft in a synchronous rotation manner. , the other end of the co-moving connecting rod has a sliding part, and the sliding part is connected to the guide rail in a relatively moving manner.

Please refer to Figures 1 to 6, which are a preferred embodiment of the flexible screen hinge structure 1 of the present invention, which mainly includes a base 2, a linkage 3, two hinge modules (4, 4'), and a support Seat 5, a torsion positioning component 6. The base 2 includes a bottom shell 21 and a base body 22. The bottom shell 21 is elongated and has a positioning groove 211 for receiving and connecting the base body 22; the base body 22 has a first positioning spaced in parallel in the long direction. block 221 and a second positioning block 222. The bottom of the first positioning block 221 has an arc-shaped chute 223; there is a first groove 224 between the first positioning block 221 and the second positioning block 222. There is a second groove 225 on one side of 221, and the second groove 225 communicates with the first groove 224 through the sliding groove 223. The two ends of the first positioning block 221 and the second positioning block 222 respectively have an arc portion (23, 23'), and the two arc portions (23, 23') are oppositely arranged on both sides of the base body 22 in the short direction. . During implementation, any arc-shaped portion (23, 23’) includes two parallel and spaced arc-shaped grooves (231, 231’).

The linking member 3 is an arc-shaped plate whose shape is slightly smaller than the slide groove 223 at the bottom of the first positioning block 221, so that the linking member 3 is accommodated in the first groove 224 and can pass through the bottom of the first positioning block 221. Arc-shaped chute 223, when the two rotating shaft modules (4, 4') are turned over, the linkage 3 slides from the first slot 224 to the second slot 225 to reach the position of the second slot 225; the top surface of the linkage 3 It has two arc-shaped spiral grooves in opposite directions. When implemented, the two arc-shaped spiral grooves serve as two first spiral parts (31, 31').

The two rotating shaft modules (4, 4') have the same appearance and structure, and are oppositely arranged on both sides of the short direction of the base 22. The two rotating shaft modules (4, 4') are respectively pivotally connected to two arcs. parts (23, 23'), thereby driving the two casings (91, 91') of the flexible screen 9 to flip open and close relative to each other. The following takes one of the two rotating shaft modules (4, 4’), 4, as an example: it mainly includes an arc-shaped swing arm 41, a housing connecting rod 42 and a co-acting connecting rod 43.

The arc-shaped swing arm 41 is an L-shaped block. One end of the arc-shaped swing arm 41 has a guide part 411. The guide part 411 includes two arc-shaped blocks (412, 412') with intervals. The two arc-shaped blocks (412, 412 ') are located on opposite sides of the guide portion 411, and respectively butt into the two arc-shaped grooves (231, 231') of the arc-shaped portion 23, so that the guide portion 411 is connected to the arc-shaped portion 23 of the base 2, thereby making the arc swing The arm 41 swings in an arc relative to the base 2 . An arc-shaped spiral protrusion is formed on a convex surface of one end of the arc-shaped swing arm 41 . The arc-shaped spiral protrusion serves as the second spiral part 413 , and the second spiral part 413 is correspondingly connected to the first spiral part 31 . The other end of the arc-shaped swing arm 41 has a convex block on one side, and the convex block has a pivot hole 414; the other end of the arc-shaped swing arm 41 has a door panel 415 on the other side to support the flexible screen 9 upward.

The housing connecting rod 42 is a rectangular plate. The bottom surface of the housing connecting rod 42 is locked with one of the two casings (91, 91') 91. One end of the housing connecting rod 42 has a first plate 421. The other end of the housing connecting rod 42 has a second plate 422 parallel to the first plate 421; one side of the first plate 421 and the second plate 422 are respectively positioned at the two ends of the straight rod 416, and the straight rod 416 is pivoted in an arc shape. The pivot hole 414 at the other end of the swing arm 41 allows the housing link 42 and the arc-shaped swing arm 41 to rotate relative to each other. The bottom surface of the second plate 422 has a rectangular guide groove, which is used as a guide rail 423; above the guide rail 423, there is a fixing hole 424 that penetrates the second plate 422 up and down; a headed cylinder passes downward and is fixed. hole 424, and the head of one end of the headed cylinder is riveted to the fixing hole 424, and the headed cylinder serves as the limiting member 425. During implementation, the head of the headed cylinder can also be combined with the fixing hole 424 in a locking manner, and allow the other end of the headed cylinder to One end protrudes downward.

The co-moving connecting rod 43 is a long connecting rod. One end of the co-moving connecting rod 43 in the long direction has an axis hole 431, and the axis hole 431 has at least one parallel surface for connecting one of the first axis of the two axles. After the rod 7, let the co-moving link 43 and the first shaft 7 rotate synchronously; the other end of the co-moving link 43 in the long direction has a sliding part 432, and the sliding part 432 is a flat plate with a rectangular stopper. The groove 433 is for the limiting member 425 to penetrate, so that the sliding part 432 is limited in the guide rail 423 of the housing link 42, and allows the co-moving link 43 and the housing link 42 to move stably relative to each other.

The two synchronous connecting rods (43, 43') of the two rotating shaft modules (4, 4') have two concave and convex portions (434, 434') on one side of the two shaft holes (431, 431'). The support base 5 is a long plate. One end of the support base 5 has an extending protruding plate 51. The extending protruding plate 51 overlaps and locks with a protrusion 226 in the second groove 225 of the base body 22; The other end has two opposite fins (52, 52'), and the two fins (52, 52') respectively have a hole, so that the first shaft 7 and the second shaft of the two shafts can be connected. 71 are passed through respectively, position the support seat 5 on the other side of the two shaft holes (431, 431'); and pass the first shaft 7 and the second shaft 71 through the two shaft holes (431, 431') respectively. When continuing to pass through the two connected concave and convex parts (53, 53'), let the two concave and convex parts (53, 53') butt into the two concave and convex parts (434, 434') respectively; and when the first shaft 7 and the second When the shaft rod 71 passes through a torsion positioning component 6 and engages the first shaft rod 7 and the second shaft rod 71 with one end seal 61 respectively, the compression torsion positioning component 6 can be fixed, thereby allowing the relative bending flexibility. The two halves of the screen 9 can rotate stably during the process of flipping to closing or fully unfolding, and stop at a certain angle during rotation. When implemented, the end seal 61 can also be two screw caps, which can also be The first shaft 7 and the second shaft 71 are respectively locked to fix the compression and torsion positioning assembly 6 . In addition, as shown in Figures 7 and 11, the two wings (52, 52') respectively have a first stopper (521, 521'), and one end of any actuating link (43, 43') has a corresponding first stopper (521, 521'). a stop portion (521, 521') and a second stop portion (435, 435'). When the two rotating shaft modules (4,4') are flattened, the first stop surface (522,522') of the first stop part (521,521') presses the second stop of the second stop part (435,435') surface (436,436'); when the two rotating shaft modules (4,4') are aligned, the third stop surface (523,523') of the first stop part (521,521') presses the second stop part (435,435 '), the fourth stop surface (437, 437') is used to increase the stop positioning effect when flattened or folded and closed.

Therefore, as shown in Figures 5 to 13, during the process of the two casings (91, 91') being relatively unfolded or folded and closed, for example, during the transition from the folded closed to the unfolded state, when a rotating shaft module 4 is relatively When the other rotating shaft module 4' rotates and one arc-shaped swing arm 41 and the other arc-shaped swing arm 41' rotate in opposite directions relative to each other, the two door panels (415, 415') can be linked respectively. Among them, as shown in Figures 5 and 6, when the two casings (91, 91') are fully deployed, the arc-shaped swing arm 41 and the other arc-shaped swing arm 41' form a flush state, allowing the two door panels to (415, 415') are located on the same plane, so that the flexible screen 9 is supported by the entire plane. As shown in Figure 1, Figure 9 and Figure 12, when the two casings (91, 91') are folded and closed relative to each other, the two second spirals of the two arc-shaped swing arms (41, 41') can be The two first spiral parts (31, 31') of the linking member 3 are rotationally connected to each other, and drive the linking member 3 simultaneously during the rotation, allowing the linking member 3 to pass through the first groove 224 through the chute 223 to Reach the position of the second groove 225; and through the relative rotation of the two arc-shaped swing arms (41, 41'), the force and direction of the force are changed, and sufficient space is formed to accommodate the bending of the flexible screen 9 parts.

To sum up, the casings on both sides of the invention are fixedly connected to two casing connecting rods respectively. One end of the two casing connecting rods are respectively pivotally connected to two arc-shaped swing arms. The arc-shaped swing arms on both sides are symmetrical. is set up, and through the rotational connection between the two "arc-shaped spiral ridges" and the two "arc-shaped spiral grooves" of the linkage, during the rotation process, the linkage can be driven to slide axially in the base at the same time, thereby achieving the same goal. The effect of movement. The other ends of the two housing connecting rods are slidingly connected to the two co-moving connecting rods respectively, which can prevent the flexible screen from being pulled. Furthermore, the synchronization effect is achieved through the linking piece body with two "arc-shaped spiral grooves". Compared with the "gear synchronization structure" of the conventional technology, it can not only simplify the number of parts and shorten the assembly time, but also simplify the assembly process. The convenience makes the linkage more stable to increase the smoothness during use. It can also effectively reduce the occurrence of abnormal noise and help reduce the impact of abnormal noise.

Although this invention discloses preferred specific embodiments to achieve the above objectives, they are not intended to limit the structural features of this invention. Any person with ordinary knowledge in the technical field should know that within the technical spirit of this invention, any easily imagined Any changes or modifications are possible and are covered by the patentable scope of this invention.

1: Flexible screen shaft structure 2: Base 21: Bottom shell 211: Positioning slot 22: base body 221: First positioning block 222: Second positioning block 223:Chute 224:First slot 225:Second slot 226:Bump 23,23’: Arc part 231,231’: Arc groove 3: Linking parts 31,31’: first spiral part 4,4’: Rotary shaft module 41,41’: Arc swing arm 411: Guidance Department 412,412’: Curved block 413,413’: Second spiral part 414: Pivot hole 415,415’: Door panel 416:Straight rod 42: Shell connecting rod 421:First plate 422:Second plate 423: Guide rail 424:Fixing hole 425:Limiting parts 43,43’: co-moving connecting rod 431,431’: Shaft hole 432:Sliding part 433:Limit slot 434,434’: Concave and convex parts 435, 435’: Second stopper 436,436’: Second stop surface 437,437’: The fourth stop surface 5: Support base 51:Extended convex plate 52,52’: Wings 521,521’: first stop part 522,522’: first stop surface 523,523’: Third stop surface 53,53’: Concave and convex parts 6: Torsion positioning component 61: End seal 7:First shaft 71:Second shaft 9: Soft screen 91,91’: Chassis

(Figure 1) is a schematic diagram of the three-dimensional appearance of the preferred embodiment of this invention installed between a flexible screen and two casings. (Figure 2) is a schematic diagram of the three-dimensional appearance of the preferred embodiment of this invention. ﹝Figure 3﹞is an exploded view of the preferred embodiment of this invention. ﹝Figure 4﹞is an exploded view of some components of the preferred embodiment of this invention. (Figure 5) is a top view of the preferred embodiment of this invention when it is unfolded. ﹝Figure 6﹞is a cross-sectional view of A-A’ in Figure 5. ﹝Figure 7﹞is the B-B’ cross-sectional view of Figure 5. [Figure 8] is a schematic cross-sectional view of the A-A’ section of the preferred embodiment of the present invention when it is half folded. (Figure 9) is a top view of the preferred embodiment of this invention when it is half folded. ﹝Figure 10﹞is a schematic cross-sectional view of the A-A’ section of the preferred embodiment of the present invention when folded and closed. ﹝Figure 11﹞is a schematic cross-sectional view of the B-B' section of the preferred embodiment of the present invention when folded and closed. (Figure 12) is a top view of the preferred embodiment of the present invention when folded and closed. (Figure 13) is a schematic diagram of the three-dimensional appearance of the preferred embodiment of the present invention when folded and closed.

1: Flexible screen shaft structure

22: base body

221: First positioning block

222: Second positioning block

223:Chute

224:First slot

225:Second slot

226:Bump

23,23’: Arc part

231,231’: Arc groove

3: Linking parts

31,31’: first spiral part

4,4’: Rotary shaft module

41,41’: Arc swing arm

411: Guidance Department

412,412’: Curved block

413,413’: Second spiral part

414: Pivot hole

415,415’: Door panel

416:Straight rod

42: Shell connecting rod

421:First plate

422:Second plate

423: Guide rail

424:Fixing hole

425:Limiting parts

43,43’: co-moving connecting rod

431,431’: Shaft hole

432:Sliding part

433:Limit slot

434,434’: Concave and convex parts

5: Support base

51:Extended convex plate

52,52’: Wings

53,53’: Concave and convex parts

6: Torsion positioning component

61: End seal

7:First shaft

71:Second shaft

Claims (12)

A flexible screen shaft structure, which includes: A base has a first positioning block and a second positioning block spaced side by side in the longitudinal direction. The bottom of the first positioning block has a slide groove. The two ends of the first positioning block and the second positioning block respectively have an arc; A linking member is limited between the first positioning block and the second positioning block, and the linking member has two first spiral parts in opposite directions; and Two adjacent ends of the rotating shaft modules are connected to a torsion positioning component via at least one shaft, and the ends of the two rotating shaft modules are respectively pivotally connected to the two arc-shaped parts; the any rotating shaft module includes: An arc-shaped swing arm has a guide part and a second spiral part at one end. The guide part is connected to the arc-shaped part in a relatively arc-shaped swing; the second spiral part is connected to the first spiral part for drive the linking member to move in the chute; A housing connecting rod, one end of which is pivotally connected to the other end of the arc-shaped swing arm, and the other end of the housing connecting rod has a guide rail; and One end of the co-moving connecting rod is connected to the at least one shaft rod in a synchronous rotation manner, and the other end of the co-moving connecting rod has a sliding part, and the sliding part is connected to the guide rail in a relatively moving manner. The flexible screen hinge structure of claim 1, wherein the base includes a base body and a bottom shell, the base body has the two arc portions, and the bottom shell has a positioning groove for receiving and connecting the base body. The flexible screen shaft structure of claim 2, wherein there is a first groove between the first positioning block and the second positioning block for accommodating and limiting the linking member; one side of the first positioning block has a first The second groove is connected to the first groove through the slide groove. When the two rotating shaft modules are turned over, the linking member slides from the first groove to the second groove. The flexible screen rotating shaft structure of claim 2 further includes a support base, one end of the support base is connected to one side of the base body, the other end of the support base has two wings, and the at least one shaft includes a first The first shaft and the second shaft respectively pass through the two fins and the torsion positioning component in sequence, and use an end seal to position the first shaft and the third shaft. Two shafts are used to fix and compress the torsion positioning component. The flexible screen hinge structure of claim 3, wherein one end of the support base has an extending protruding plate, and the extending protruding plate overlaps and locks with a protrusion in the second groove of the base body. The flexible screen shaft structure of claim 4, wherein the two fins respectively have a first stopper, and the one end of the co-moving link has a second stopper corresponding to the first stopper. When When the two rotating shaft modules are flattened, a first stopping surface of the first stopping part presses against a second stopping surface of the second stopping part; when the two rotating shaft modules are aligned, the first stopping surface A third stop surface of the first stop part resists a fourth stop surface of the second stop part. The flexible screen shaft structure of claim 1, wherein the arcuate portion includes two parallel and spaced arcuate grooves, the guide portion includes two spaced arcuate blocks, and the two arcuate blocks are located on the guide. The two opposite side surfaces of the leading portion are respectively connected to the two arc-shaped grooves of the arc-shaped portion. The flexible screen shaft structure of claim 1, wherein the first spiral part is an arc-shaped spiral groove on the linking member, and the second spiral part is an arc-shaped spiral ridge on the arc-shaped swing arm. The flexible screen hinge structure of claim 1, wherein the one end of the housing connecting rod has a first plate, and the other end of the housing connecting rod has a second plate parallel to the first plate; the first plate and one side of the second plate respectively locates two ends of a straight rod; the straight rod is pivotally connected to a pivot hole at the other end of the arc-shaped swing arm for relative rotation of the housing connecting rod and the arc-shaped swing arm; The bottom surface of the second plate of the housing connecting rod has the guide rail, and the guide rail is a guide groove. The flexible screen shaft structure of claim 9, wherein the sliding part of the co-moving link is a flat plate, and the sliding part has a limiting groove; the bottom surface of the second plate has a limiting piece, and the limiting piece Penetrate into the limiting groove to limit the sliding part. Such as the flexible screen shaft structure of claim 10, wherein the second plate has a fixing hole, one end of the limiting member is fixedly coupled to the fixing hole, and the other end of the limiting member penetrates into the limiting groove. The flexible screen rotating shaft structure of claim 1 further includes at least one concave and convex piece, and the at least one concave and convex piece is sleeved with the at least one shaft; and the one end of at least one of the two co-moving connecting rods has an axis hole. , the shaft hole has at least one parallel surface for connecting the at least one shaft rod in a synchronous rotation; one side of the one end of the at least synchronous connecting rod has a concave and convex portion for docking with the at least one concave and convex component.

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