CN214465531U - Multifunctional folding hinge mechanism capable of carrying flexible screen - Google Patents

Abstract

The utility model discloses a can carry on multi-functional folding the hinge mechanism of flexible screen belongs to the technical field of flexible screen, and this hinge mechanism includes: two middle modules symmetrically arranged along the central axis; the two sides of the rotating module are respectively connected with the two middle modules and drive the two middle modules to synchronously link; the hinge module connected between the two middle modules performs length compensation when the two middle modules are relatively unfolded or closed through the hinge module, so that the problem of length compensation when the flexible screen is folded is well solved.

Description

Multifunctional folding hinge mechanism capable of carrying flexible screen

Technical Field

The utility model belongs to the technical field of flexible screen, particularly, relate to a can carry on multi-functional folding the hinge mechanism of flexible screen.

Background

In recent years, with the rapid development of smart mobile devices, the smart mobile devices have become inseparable from people's lives, and the smart mobile devices have integrated multiple functions, and have been gradually developed from the initial communication devices to office and entertainment devices. The development of smart mobile devices gradually tends to replace tablet computers and computers, and communication, office work and entertainment can be integrated, but because the requirements of users for large-size screens and portability conflict with each other, a folding product with brand-new form factors is urgently needed to meet the requirements.

To folding equipment mechanism of formula of rolling over outward, the biggest problem is in length compensation function, how to make the fuselage when the switching promptly, and the flexible screen keeps same length to make the flexible screen can not lead to dragging of flexible screen because the fuselage opens and shuts, thereby improve folding equipment's life.

SUMMERY OF THE UTILITY MODEL

In view of this, in order to solve the above-mentioned problem that prior art exists, the utility model aims at providing a can carry on flexible screen's multi-functional folding hinge mechanism in order to reach and carry out length compensation when buckling to well solve the problem of length compensation when folding of flexible screen.

The utility model discloses the technical scheme who adopts does: a multifunctional folding hinge mechanism for carrying a flexible screen, the hinge mechanism comprising:

two middle modules symmetrically arranged along the central axis;

the two sides of the rotating module are respectively connected with the two middle modules and drive the two middle modules to synchronously link;

and the hinge module is connected between the two middle modules, and length compensation is carried out when the two middle modules are relatively unfolded or closed through the hinge module.

Further, the hinge mechanism further includes:

two shell modules symmetrically arranged along the central axis;

and the auxiliary length compensation mechanisms are respectively connected to the shell module and the middle module.

Further, the hinge module includes:

a plurality of hinge plates arranged between the two middle modules;

and the two adjacent hinge plates and the hinge plate and the middle module are hinged and connected through the hinge pair.

Furthermore, the opposite side surfaces of two adjacent hinge plates are both provided with inclined surfaces, and the movement between the hinge plates is limited through the inclined surfaces.

Further, the hinge pair includes:

a hinge slot;

the hinge groove is provided with a folding shaft, and a rotating ring groove of the movable hinge block is formed between the folding shaft and the hinge groove.

Further, the rotation module includes:

the folding supports are symmetrically arranged along the central axis and are in sliding assembly connection with the middle module;

and the two gear shafts are respectively sleeved on the two folding supports and synchronously rotate with the folding supports, and the two gear shafts synchronously rotate through gears in meshing fit.

Further, the rotation module further includes:

the cam seat is sleeved on the gear shaft, slides along the axial direction of the gear shaft and rotates asynchronously with the gear shaft;

the cams are respectively sleeved on the gear shafts and synchronously rotate with the gear shafts, the cams are respectively in meshed fit with the cam seats, and the cam seats are provided with elastic pieces I for driving the cams to abut against the cams.

Further, the hinge mechanism includes: the two hinge modules are respectively provided with one rotating module;

the folding supports on the same side of each rotating module are connected to the middle module on the same side in a sliding assembly mode, and the folding supports on the same side of the rotating modules are synchronously linked through a connecting shaft.

Further, the middle module includes:

an intermediate shell disposed along the central axis;

the sliding plates are symmetrically arranged along the central axis, and the side parts of the sliding plates are rotatably assembled in the middle shell;

the middle plate is connected with the sliding plate in a sliding assembly mode, one side portion of the middle plate is hinged to the hinge plate, the hinge plate can slide into or out of the sliding groove channel formed in the sliding plate, and the other side portion of the middle plate is provided with a plurality of auxiliary length compensation mechanisms.

Furthermore, a limiting hole is formed in the middle plate, a limiting screw is arranged in the limiting hole, and the limiting screw is connected to the sliding plate; the sliding chute channels are formed in the two sides of the sliding plate, and sliding columns correspondingly matched with the sliding chute channels are arranged on the side portions of the hinge plate and the middle plate.

Further, the auxiliary length compensation mechanism includes:

the sliding sheet is arranged on the middle plate in a sliding mode, the sliding sheet is connected with the shell module, a limiting hole is formed in the middle plate, and a limiting screw is arranged in the limiting hole in a matched mode and connected to the sliding sheet;

the spring shafts are respectively arranged on the middle plate and the sliding sheet, and an elastic part II is connected between the two spring shafts.

Further, two the shell module is through buckle module locking when closing up the state, the buckle module includes:

the base is arranged on one shell module, and the bayonet is arranged on the other shell base;

the clamping tongue is arranged on the base in a sliding mode, an elastic piece III for driving the clamping tongue to reset is arranged on the clamping tongue in a matching mode, and the clamping tongue is correspondingly matched with the clamping opening;

the button is arranged on the base in a sliding mode, the button is matched with the clamping tongue through a sliding inclined surface, the button is matched with an elastic piece IV for driving the button to reset, and the clamping tongue is linked to move in a telescopic mode through pressing movement of the button.

The utility model has the advantages that:

1. by adopting the multifunctional folding hinge mechanism capable of carrying the flexible screen, when the hinge mechanism is applied, the hinge mechanism carries out double length compensation through the hinge module and the auxiliary length compensation mechanism, so that the problem of dragging the flexible screen carried by the folding equipment can not be caused when the folding equipment is opened and closed; under the effect of rotating the module, can realize that arbitrary angle stops, improve the user and use the sense, still have simultaneously and prevent the function of bending over and prevent the impaired function of screen, can further improve whole life.

Drawings

Fig. 1 is a schematic overall structure diagram of a multifunctional folding hinge mechanism capable of carrying a flexible screen provided by the present invention;

fig. 2 is a partial structural schematic view of the multifunctional folding hinge mechanism capable of carrying a flexible screen provided by the present invention;

fig. 3 is a schematic structural diagram of a middle module of the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

FIG. 4 is an enlarged partial inner side view of FIG. 3;

fig. 5 is a schematic view of a disassembled structure of an auxiliary length compensation mechanism in the multifunctional folding hinge mechanism capable of carrying a flexible screen provided by the present invention;

fig. 6 is a schematic view of the overall structure of the rotating module in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

FIG. 7 is a schematic partial cross-sectional view of FIG. 6;

fig. 8 is a schematic view of a split structure of a rotating module in a multifunctional folding hinge mechanism capable of carrying a flexible screen;

fig. 9 is a schematic view of an assembly structure of a hinge module in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

fig. 10 is a schematic view of the overall structure of the hinge module in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

FIG. 11 is a cross-sectional view of the hinge module of FIG. 10 shown in a folded configuration;

FIG. 12 is an enlarged partial schematic view of FIG. 11;

FIG. 13 is a schematic cross-sectional view of the hinge module of FIG. 10 when flattened;

fig. 14 is a variation view of the engagement between the cam and the cam seat in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

fig. 15 is a front view of a buckle module in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

FIG. 16 is a schematic sectional view taken along line A-A of FIG. 15;

fig. 17 is a schematic view of a split structure of a buckle module in the multifunctional folding hinge mechanism capable of carrying a flexible screen according to the present invention;

the drawings are labeled as follows:

1-housing module, 2-middle housing, 3-sliding plate, 4-middle plate, 5-sliding plate, 6-folding bracket, 7-hinge plate I, 8-hinge plate II, 9-hinge plate III, 10-limiting hole, 11-limiting screw, 12-sliding channel, 13-rotating arm, 14-rotating column, 15-sliding guide rail, 16-spring shaft I, 17-spring II, 18-spring shaft II, 19-sliding washer, 20-connecting shaft, 21-gear, 22-limiter, 23-cam, 24-cam seat, 25-spring I, 26-retaining ring plate, 27-gear shaft, 28-E-shaped snap spring, 29-sliding column, 30-folding shaft, 31-movable hinge block, 32-base, 33-latch, 34-button, 35-spring IV, 36-spring III, 37-buckle module.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Example 1

The multifunctional folding hinge mechanism capable of carrying the flexible screen is specifically provided in the embodiment, and aims to adapt to the length change of the screen according to different folding angles of the screen through the hinge mechanism, so that the screen is always well supported, and the service life of the flexible screen is further prolonged.

As shown in fig. 1, in the present embodiment, the hinge mechanism mainly includes: the middle module, the rotating module, the hinge module and the shell module are formed, in order to explain the hinge mechanism in detail, the axis where the hinge mechanism is unfolded or closed is defined as the central axis, and the hinge mechanism is specifically designed as follows:

intermediate module

The middle module is equipped with two and symmetrical arrangement in the both sides of axis, as follows to the design of middle module:

the middle module mainly comprises: middle shell 2, intermediate lamella 4 and slide 3, with middle shell 2 along the axis setting, middle shell 2 mainly is as the carrier of hinge module and slide 3, and middle shell 2 is through a plurality of screw fixed connection in hinge plate II 8, simultaneously, also is the protection part of hinge module.

Two sliding plates 3 are symmetrically arranged on two sides of the middle shell 2 along the central axis, the lateral parts of the sliding plates 3 are rotatably assembled in the middle shell 2, specifically, the two lateral parts of the sliding plates 3 are respectively and correspondingly assembled into the inner side part of the middle shell 2, the lateral parts of the sliding plates 3 are provided with rotating columns 14, and the rotating columns 14 are rotatably assembled in rotating grooves formed in the inner side part of the middle shell 2, so that the sliding plates 3 can be unfolded or closed relative to the central axis of the middle shell 2. In order to further prevent the over-bending phenomenon of the hinge mechanism during rotation, a rotating arm 13 is arranged on the side part of the sliding plate 3, the rotating arm 13 belongs to one part of the sliding plate 3, the rotating column 14 is arranged on the rotating arm 13, and when the two sliding plates 3 are in a completely opened state, the side walls between the two rotating arms 13 positioned on the same inner side part of the middle shell 2 are mutually abutted, so that the over-bending prevention limiting is realized on the rotation of the sliding plate 3 through the rotating arm 13.

Since the intermediate plate 4 has two pieces, only one intermediate plate 4 will be explained here. The middle plate 4 is connected with the sliding plate 3 in a sliding assembly mode, one side portion of the middle plate 4 is hinged to a hinge plate I7 (the other middle plate 4 is connected with a hinge plate III 9) through a hinge piece, and the hinge plate I7 can slide into or out of a sliding groove channel 12 arranged on the sliding plate 3. In practical application, both sides of the sliding plate 3 are covered outside the side portions of the middle plate 4, and the sliding channel 12 is arranged on both side portions of the sliding plate 3, and the sliding channel 12 is a part belonging to the sliding plate 3. The mounting relationship between the intermediate plate 4 and the sliding plate 3 is as follows: the middle plate 4 is provided with a limiting hole 10, the limiting hole 10 belongs to a part of the middle plate 4, a limiting screw 11 is arranged in the limiting hole 10, the limiting screw 11 is connected to the sliding plate 3, meanwhile, a sliding column 29 correspondingly matched with the sliding chute channel 12 is arranged at the side part of the middle plate 4, and the sliding column 29 limits the side part of the middle plate 4 to slide in the sliding chute channel 12 of the sliding plate 3. The installation relationship between the sliding plate 3 and the hinge plate I7 is as follows: the side part of the hinge plate I7 is provided with a sliding column 29 correspondingly matched with the sliding chute channel 12, the sliding column 29 can smoothly slide into or out of the sliding chute channel 12 arranged at the side part of the sliding plate 3 along with the movement of the hinge plate I7, and then when the hinge mechanism is in a fully opened state, the sliding plates 3 at two sides respectively limit the corresponding hinge plate I7 and the corresponding hinge plate III 9.

Another lateral part of intermediate lamella 4 is equipped with a plurality of supplementary length compensation mechanisms, connects in shell module 1 through each supplementary length compensation mechanism, and supplementary length compensation mechanism provides the tensile force between shell module 1 and hinge module to can make the screen be in the state of stretching the exhibition flat all the time. The auxiliary length compensation mechanism mainly has the following functions: a) when the screen is unfolded or folded, a stretching force can be provided for the screen, and the auxiliary length compensation mechanism can prevent the screen from generating concave-convex deformation; b) when the folding mechanism is folded, the auxiliary length compensation mechanism can perform secondary compensation on the length of the whole hinge mechanism.

The specific design for the auxiliary length compensation mechanism is as follows:

the auxiliary length compensation mechanism includes: gleitbretter 5 slides and locates on intermediate lamella 4 (specifically, be equipped with the spout that corresponds the matching with gleitbretter 5 on intermediate lamella 4, the both sides of this spout are equipped with gleitbretter guide rail 15 respectively, and gleitbretter 5 adorns and slide 5's both sides side do not slide with gleitbretter guide rail 15 in the spout inside and be assembled), and is connected between gleitbretter 5 and the shell module 1 (in this embodiment, the shell plate on gleitbretter 5 and the shell module 1 uses screw fixed connection). Be equipped with spring axle I16 and spring axle II 18 on intermediate plate 4 and gleitbretter 5 respectively, two be connected with elastic component II between the spring axle, in this embodiment, select elastic component II for use as spring II 17, provide spring force through spring II 17 and make gleitbretter 5 can remove in the spout.

In order to ensure that the screen cannot be damaged, a limiting hole 10 is formed in the middle plate 4, a limiting screw 11 is arranged in the limiting hole 10, a sliding gasket 19 is sleeved on the limiting screw 11 (the sliding gasket 19 belongs to one part of the middle plate 4), the limiting screw 11 is connected to the sliding piece 5, and the limiting screw 11 and the sliding gasket 19 can limit the stroke of the sliding piece 5 to achieve the limiting length so as to prevent the screen from being damaged.

② outer shell module

The shell module is used as the main part of the hinge mechanism for bearing the flexible screen in practical application, in the hinge mechanism of the embodiment, two shell modules 1 are arranged, and the two shell modules 1 are symmetrically arranged along the central axis. With the above statement, the side portions of the housing module 1 and the middle module are connected by a plurality of auxiliary length compensation mechanisms, and each of the auxiliary length compensation mechanisms is connected between the side portions of the housing module 1 and the middle module in a uniformly arranged manner.

③ rotating module group

The rotation module realizes synchronous linkage and possesses arbitrary angle stop function's main part as this the hinge mechanism, and in this embodiment, this rotation module is equipped with two, and two rotation modules are back of the body to the opposite side and arrange, and specific design is as follows:

the two sides of the rotating module are respectively connected with the two middle modules and drive the two middle modules to synchronously link, and the middle modules are connected with the shell modules 1 through the auxiliary length compensation mechanisms, so that the relative opening or closing action between the two shell modules 1 can be realized under the action of the rotating module. The single rotation module includes: the folding device comprises two folding brackets 6 which are symmetrically arranged along a central axis, wherein the folding brackets 6 are in sliding assembly connection with a middle module, similarly, limiting holes 10 are formed in the folding brackets 6, limiting screws 11 are arranged in the limiting holes 10, and the limiting screws 11 are fixedly connected to a middle plate 4 of the middle module; the folding brackets 6 at the same side in the two rotating modules are synchronously linked through the connecting shaft 20.

The two folding supports 6 are respectively sleeved with gear shafts 27 which synchronously rotate with the folding supports, and the two gear shafts 27 synchronously rotate through gears 21 which are meshed and matched with each other, so that when the equipment runs, the shell modules 1 on two sides of the screen are meshed with the gears 21 in the rotating modules to realize synchronous transmission. Meanwhile, the gear 21 is adopted for meshing transmission, and the gear 21 transmission has the characteristics of high transmission precision, high transmission efficiency, long service life and the like, so that the service life of the screen can be greatly prolonged.

For this rotation module possesses the function that arbitrary angle stopped, rotate the module and still include: the limiting stopper 22, the cam seat 24 and the cam 23, each gear shaft 27 is movably sleeved in the cam seat 24, and the cam seat 24 and the gear shaft 27 rotate asynchronously;

the gear shafts 27 are respectively sleeved with cams 23 which rotate synchronously with the gear shafts, the cams 23 are respectively meshed with the cam seats 24, the cam seats 24 are provided with elastic pieces I which drive the cam seats to abut against the cams 23, and the elastic pieces I are selected from springs I25 to provide elastic acting force for the cam seats 24 under the action of the springs I25.

In order to realize the installation of each cam 23, each gear shaft 27 is movably sleeved in the stopper 22, the stopper 22 and the gear shaft 27 do not synchronously rotate, and the cam 23 is assembled with the stopper 22 so as to realize the installation and the limitation of the cam 23.

In order to realize the installation of the spring I25, a baffle ring plate 26 is arranged, the baffle ring plate 26 is assembled at the end parts of the two gear shafts 27 and is limited by an E-shaped clamp spring 28, so that one end of the spring I25 is abutted against the baffle ring plate 26, the baffle ring plate 26 is fixedly connected to the hinge plate III 9 through a screw, and the other end of the spring I25 is abutted against the cam seat 24.

In practical application, through the angular displacement of the cam 23, at 0-15 degrees, the cam seat 24 and the cam 23 are in a state of inclined surface contact, and the spring I25 extrudes the cam seat 24 to enable the whole mechanism to be in a flattening trend; when the angle is between 20 and 75 degrees, the cam 23 and the cam seat 24 are in plane contact, and the static friction provides torque which is larger than self gravity torque by applying pressure through a spring, so that the stop at any angle in the interval can be realized; when the angle is between 75 degrees and 90 degrees, the cam seat 24 and the cam 23 are in a slope contact state, and the hinge mechanism has a rebound tendency, so that the automatic bouncing function of the hinge mechanism can be realized.

Hinge module

The hinge module is connected between the two middle modules, length compensation is carried out when the two middle modules are relatively unfolded or closed through the hinge module, and the hinge module is a main length compensation mechanism. The specific design is as follows:

the hinge module includes: and each hinge plate is arranged between two middle modules, and the adjacent two hinge plates and the middle modules are hinged and connected through hinge pairs. The hinge pair includes: the hinge structure comprises a hinge groove and a movable hinge block rotatably assembled in the hinge groove, wherein the hinge groove is provided with a folding shaft 30, the folding shaft 30 is connected with the hinge groove in a welding mode, a rotating ring groove of the movable hinge block is formed between the folding shaft 30 and the hinge groove, and the movable hinge block can slide around the axis of the folding shaft 30 in the rotating ring groove formed by the movable hinge block. The hinge groove, the movable hinge block and the folding shaft 30 form a hinge pair together, and the rotation function of the hinge module is realized through each hinge pair.

In the embodiment is used, the number of the hinge modules is two, the two hinge modules are respectively located on one side of the two rotating modules, each hinge module respectively corresponds to the middle plates 4 on two sides of the hinge module, so that the number of the middle plates 4 is four, the four middle plates 4 are respectively connected onto the four folding supports 6 in the two rotating modules in a sliding assembly mode, and the two folding supports 6 of the same rotating module are responsible for unfolding or closing between the two middle plates 4 on the side.

Three hinge plates, namely a hinge plate I7, a hinge plate II 8 and a hinge plate III 9 are arranged between the two middle plates 4 on the same side, and movable hinge blocks are arranged on the middle plates 4 and are respectively assembled with hinge grooves in the hinge plates I7 and III 9; meanwhile, the hinge plate I7 and the hinge plate III 9 are respectively provided with a sliding hinge block, and the two sliding hinge blocks are assembled in a hinge groove of the hinge plate II 8, so that the two middle plates 4, the hinge plate I7 and the hinge plate III 9 can be regarded as a rotation relation which is symmetrical about the hinge plate II 8 during rotation. In fact, the specific size of the hinge parts and the number of actual requirements can be changed according to different specific designs of internal systems of the folding device.

In order to further prevent the hinge module from being over-bent during rotation, the opposite side surfaces of every two adjacent hinge plates are respectively provided with an inclined plane, and the movement between the hinge plates is limited through the inclined planes. In the folding process of the equipment, bending is realized through the movement of the hinge pair, each part has a limiting surface to prevent over bending, and meanwhile, the length of the hinge changes in real time at different corresponding angles in the bending process, so that the hinge is always adaptive to the length of the screen and supports the screen.

Example 2

The multifunctional folding hinge mechanism capable of carrying the flexible screen provided in embodiment 1 can realize the length compensation function of the hinge mechanism in the unfolding or closing process, and is designed as follows for further improving the use experience of the hinge mechanism and completely locking the body when the body is closed:

two shell module 1 locks through buckle module 37 when closing up the state, buckle module 37 includes: a base 32 arranged on one housing module 1 and a bayonet arranged on the other housing base 32; the base 32 is provided with a clamping tongue 33 in a sliding mode, the clamping tongue 33 is provided with an elastic piece III for driving the clamping tongue 33 to reset, the clamping tongue 33 is correspondingly matched with the bayonet, and the elastic piece III selects a spring III 36 to realize a locking function through the matching of the clamping tongue 33 and the bayonet.

A button 34 is arranged on the base 32 in a sliding mode, the button 34 is matched with the clamping tongue 33 through a sliding inclined surface, the button 34 is matched with an elastic piece IV for driving the button to reset, the elastic piece IV selects a spring IV 35, and the elastic piece IV is linked with the clamping tongue 33 to move in a telescopic mode through the pressing movement of the button 34.

When the shell module 1 is used specifically, when the button 34 is pressed, the inclined surface at the rear part of the button 34 is contacted with the inclined surface of the clamping tongue 33, so that the clamping tongue 33 moves backwards to unlock, and after unlocking, the shell module 1 is ejected through the internal parts of the hinge mechanism; after the folding is finished, the latch 33 can be ejected out of the locking shell module 1 under the elastic force of the spring III and the spring IV.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (12)

1. A multifunctional folding hinge mechanism capable of carrying a flexible screen, characterized in that the hinge mechanism comprises:

two middle modules symmetrically arranged along the central axis;

the two sides of the rotating module are respectively connected with the two middle modules and drive the two middle modules to synchronously link;

and the hinge module is connected between the two middle modules, and length compensation is carried out when the two middle modules are relatively unfolded or closed through the hinge module.

2. A multifunctional folding hinge mechanism for a flexible-screen-loadable screen according to claim 1, characterized in that the hinge mechanism further comprises:

two shell modules symmetrically arranged along the central axis;

and the auxiliary length compensation mechanisms are respectively connected to the shell module and the middle module.

3. A multifunctional folding hinge mechanism for a flexible screen according to claim 1, wherein the hinge module comprises:

a plurality of hinge plates arranged between the two middle modules;

and the hinge pairs are hinged between two adjacent hinge plates and between the hinge plates and the middle module through the hinge pairs.

4. The multifunctional folding hinge mechanism capable of carrying the flexible screen according to claim 3, wherein the opposite side surfaces of two adjacent hinge plates are provided with inclined slopes, and the movement between the hinge plates is limited by the inclined slopes.

5. A multifunctional folding hinge mechanism for a flexible-screen-loadable screen according to claim 3, characterized in that the hinge pair comprises:

a hinge slot;

the hinge groove is provided with a folding shaft, and a rotating ring groove of the movable hinge block is formed between the folding shaft and the hinge groove.

6. A multifunctional folding hinge mechanism for a loadable flexible screen according to claim 1, wherein the rotation module comprises:

the folding supports are symmetrically arranged along the central axis and are in sliding assembly connection with the middle module;

and the two gear shafts are respectively sleeved on the two folding supports and synchronously rotate with the folding supports, and the two gear shafts synchronously rotate through gears in meshing fit.

7. The multifunctional folding hinge mechanism capable of carrying a flexible screen according to claim 6, wherein the rotation module further comprises:

the cam seats are movably sleeved in the gear shafts, and the cam seats and the gear shafts rotate asynchronously;

the cams are respectively sleeved on the gear shafts and synchronously rotate with the gear shafts, the cams are respectively in meshed fit with the cam seats, and the cam seats are provided with elastic pieces I for driving the cams to abut against the cams.

8. A multifunctional folding hinge mechanism for a flexible-screen-loadable screen according to claim 6 or 7, characterized in that the hinge mechanism comprises: the two hinge modules are respectively provided with one rotating module;

the folding supports on the same side of each rotating module are connected to the middle module on the same side in a sliding assembly mode, and the folding supports on the same side of the rotating modules are synchronously linked through a connecting shaft.

9. A multifunctional folding hinge mechanism for a loadable flexible screen according to claim 2, characterized in that the intermediate module comprises:

an intermediate shell disposed along the central axis;

the sliding plates are symmetrically arranged along the central axis, and the side parts of the sliding plates are rotatably assembled in the middle shell;

the middle plate is connected with the sliding plate in a sliding assembly mode, one side portion of the middle plate is hinged to the hinge plate, the hinge plate can slide into or out of the sliding groove channel formed in the sliding plate, and the other side portion of the middle plate is provided with a plurality of auxiliary length compensation mechanisms.

10. The multifunctional folding hinge mechanism capable of carrying the flexible screen according to claim 9, wherein the middle plate is provided with a limiting hole, a limiting screw is arranged in the limiting hole, and the limiting screw is connected to the sliding plate; the sliding chute channels are formed in the two sides of the sliding plate, and sliding columns correspondingly matched with the sliding chute channels are arranged on the side portions of the hinge plate and the middle plate.

11. A multifunctional folding hinge mechanism of loadable flexible screens according to claim 2 or 9, characterized in that the auxiliary length compensation mechanism comprises:

the sliding sheet is arranged on the middle plate in a sliding mode, the sliding sheet is connected with the shell module, a limiting hole is formed in the middle plate, and a limiting screw is arranged in the limiting hole in a matched mode and connected to the sliding sheet;

the spring shafts are respectively arranged on the middle plate and the sliding sheet, and an elastic part II is connected between the two spring shafts.

12. A multifunctional folding hinge mechanism of a loadable flexible screen according to claim 2, characterised in that the two housing modules are locked when in the closed position by means of snap modules comprising:

the base is arranged on one shell module, and the bayonet is arranged on the other shell base;

the clamping tongue is arranged on the base in a sliding mode, an elastic piece III for driving the clamping tongue to reset is arranged on the clamping tongue in a matching mode, and the clamping tongue is matched with the bayonet;

the button is arranged on the base in a sliding mode, the button is matched with the clamping tongue through a sliding inclined surface, the button is matched with an elastic piece IV for driving the button to reset, and the clamping tongue is linked to move in a telescopic mode through pressing movement of the button.

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