CN220956414U - Hinge device for flexible screen - Google Patents

Abstract

The utility model relates to the technical field of folding screens, and particularly discloses a flexible screen hinge device, wherein a first middle plate, a first rotating shaft assembly and a second rotating shaft assembly are used for forming an upper folding screen hinge and a lower folding screen hinge, and the first rotating shaft assembly and the second rotating shaft assembly are oppositely arranged; the first middle plate, the at least one second middle plate, the first rotating shaft assembly and the at least two second rotating shaft assemblies are used for forming a left folding screen hinge and a right folding screen hinge, and the first rotating shaft assembly is arranged opposite to each second rotating shaft assembly in the at least two second rotating shaft assemblies respectively; the first middle plate is connected between the first rotating shaft assembly and the second rotating shaft assembly, and the second middle plate is connected to one of the two second rotating shaft assemblies, which is far away from the first rotating shaft assembly; the door plate component is arranged between the first rotating shaft component and the second rotating shaft component. The first rotating shaft component, the second rotating shaft component and the first middle plate can be shared when the flexible screen hinge devices of different types are produced, so that the production cost is reduced.

Description

Hinge device for flexible screen

Technical Field

The utility model relates to the technical field of folding screens, in particular to a flexible screen hinge device.

Background

A flexible screen, referred to as a flexible OLED. The low-power consumption and flexible characteristics are applied to the manufacture of personal intelligent terminals such as high-end intelligent mobile phones and the like.

The flexible screen device in the market at present mainly comprises an inward folding flexible screen, wherein the inward folding flexible screen device can be divided into a left-right folding device with a larger size and an upward-downward folding device with a smaller size, and a plurality of market brands all have the upward-downward folding device and the left-right folding device.

Disclosure of utility model

The utility model aims to provide a flexible screen hinge device, which solves the problems that in the prior art, parts of an upper folding device, a lower folding device, a left folding device and a right folding device cannot be shared, and a single die is required to be opened, so that the production cost is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The present utility model provides a flexible screen hinge device, comprising:

A first middle plate and a second middle plate;

The first middle plate, the first rotating shaft assembly and the second rotating shaft assembly are used for forming an upper folding screen hinge and a lower folding screen hinge, and the first rotating shaft assembly and the second rotating shaft assembly are oppositely arranged;

The first middle plate, at least one second middle plate, the first rotating shaft assembly and at least two second rotating shaft assemblies are used for forming a left folding screen hinge and a right folding screen hinge, and the first rotating shaft assemblies are respectively arranged opposite to each second rotating shaft assembly in the at least two second rotating shaft assemblies;

The first middle plate is connected between the first rotating shaft assembly and the second rotating shaft assembly, and the second middle plate is connected to one of the two second rotating shaft assemblies, which is far away from the first rotating shaft assembly.

In some embodiments, the first middle plate includes a middle plate body, and a middle upper and lower connection portion respectively disposed at two ends of the middle plate body, wherein the middle upper and lower connection portion and the middle upper and lower connection portion are symmetrical with respect to a center line L of the middle plate body, and the middle upper and lower connection portion are respectively connected to the first rotating shaft assembly and the second rotating shaft assembly.

In some embodiments, the door further comprises an upper door plate component and a lower door plate component, a first notch is formed on the side portion of the middle plate body, a first protrusion matched with the first notch is formed on the upper door plate component and the lower door plate component, and the first protrusion is arranged in the first notch.

In some embodiments, the first shaft assembly and each of the second shaft assemblies include a damping assembly;

The side parts of the middle upper and lower connecting parts and the side parts of the middle upper and lower connecting parts respectively form second gaps, and the second gaps are positioned at one side close to the end part of the middle plate body;

the upper door plate component and the lower door plate component at the corresponding positions of the second notches form first yielding grooves, and the first yielding grooves are matched with the second notches to form first yielding parts for yielding the damping components.

In some embodiments, the first shaft assembly and each of the second shaft assemblies further comprise a rotating assembly;

The side parts of the middle upper and lower connecting parts and the side parts of the middle upper and lower connecting parts are respectively provided with a third notch, and the third notch is positioned at one side far away from the end part of the middle plate body;

And a second yielding groove is formed on the upper door plate component and the lower door plate component at the position corresponding to the third notch, and the second yielding groove is matched with the third notch to form a second yielding part for yielding the rotating component.

In some embodiments, the second middle plate includes a middle two-plate body configured to be connected to a base, and left and right connection parts provided at one ends of the middle two-plate body, the left and right connection parts being connected to the second rotation shaft assembly.

In some embodiments, left and right door panel assemblies are also included;

The side parts of the middle plate body and the middle plate body form a fourth gap, the left and right door plate components form a second bulge matched with the fourth gap, and the second bulge is arranged in the fourth gap.

In some embodiments, each of the second shaft assemblies includes a damping assembly;

a fifth notch is formed on the side parts of the left and right connecting parts, and the fifth notch is positioned on one side close to the end parts of the middle two plate bodies;

And a third abdicating groove is formed on the left door plate component and the right door plate component at the position corresponding to the fifth notch, and the third abdicating groove is matched with the fifth notch to form a third avoiding part for avoiding the damping component.

In some embodiments, the second spindle assembly further comprises a rotating assembly;

A sixth notch is formed on the side parts of the left and right connecting parts, and the sixth notch is positioned on one side far away from the end parts of the middle two plate bodies;

And a fourth abdicating groove is formed on the left door plate component and the right door plate component at the position corresponding to the sixth notch, and the fourth abdicating groove is matched with the sixth notch to form a fourth dodging part for dodging the rotating component.

In some embodiments, the first middle plate and the second middle plate are respectively provided with a first concave part and a second concave part for accommodating a screen.

The beneficial effects of the utility model are as follows:

The utility model provides a flexible screen hinge device, which is characterized in that a first rotating shaft assembly, a second rotating shaft assembly, a first middle plate and a second middle plate are arranged, wherein the first middle plate, the first rotating shaft assembly and the second rotating shaft assembly can form an upper folding screen hinge and a lower folding screen hinge, and the first middle plate, at least one second middle plate, the first rotating shaft assembly and at least two second rotating shaft assemblies can form a left folding screen hinge and a right folding screen hinge, so that the first rotating shaft assembly, the second rotating shaft assembly and the first middle plate can be applied to different types of flexible screen hinge devices, and the first rotating shaft assembly, the second rotating shaft assembly and a die of the first middle plate can be shared when different types of flexible screen hinge devices are produced, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of a hinge for upper and lower folding screens according to a first view angle of the present utility model;

FIG. 2 is a schematic view of a hinge for upper and lower folding screens according to a second view angle of the embodiment of the present utility model;

FIG. 3 is a schematic view of a first view angle of a left and right folding screen hinge according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a second view of a left and right folding screen hinge according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a first middle plate according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a second middle plate according to an embodiment of the present utility model;

FIG. 7 is a schematic view showing the structure of the upper swash plate and the lower swash plate according to the embodiment of the utility model;

Fig. 8 is a schematic structural view of a left swash plate and a right swash plate according to an embodiment of the present utility model;

fig. 9 is a schematic structural view of a first shaft assembly according to an embodiment of the present utility model.

In the figure:

110. A first spindle assembly; 111. a rotating assembly; 112. a damping assembly; 113. a rotating shaft base; 120. a second spindle assembly;

210. a first middle plate; 211. a plate body; 2111. a mounting hole in the bottom plate; 2112. a first notch; 212. an upper and lower connecting part; 2121. a second notch; 2122. a third notch; 213. a middle two upper and lower connection parts; 214. a first concave portion;

220. A second middle plate; 221. a middle two-plate body; 2211. a second mounting hole; 2212. a fourth notch; 222. left and right connection parts; 2221. a fifth notch; 2222. a sixth notch; 223. a second concave portion;

310. An upper sloping plate; 311. an upper plate body; 3111. a first protrusion; 3112. a first relief groove; 3113. a second relief groove;

320. A lower sloping plate; 321. a lower plate body;

331. a first rail member; 332. a second rail member;

410. a left sloping plate; 411. a left plate body; 4111. a second protrusion; 4112. a third relief groove; 4113. a fourth relief groove;

420. a right sloping plate; 421. a right plate body.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first location" and "second location" are two distinct locations and wherein the first feature is "above," "over" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is level above the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1 to 9, the present embodiment provides a flexible screen hinge device, a first middle plate 210, a second middle plate 220, and a door panel assembly; the first middle plate 210, the first rotating shaft assembly 110 and the second rotating shaft assembly 120 are used for forming an up-down folding screen hinge, and the first rotating shaft assembly 110 and the second rotating shaft assembly 120 are oppositely arranged; the first middle plate 210, the at least one second middle plate 220, the first rotating shaft assembly 110 and the at least two second rotating shaft assemblies 120 are used for forming left and right folding screen hinges, and the first rotating shaft assembly 110 and the at least two second rotating shaft assemblies 120 are oppositely arranged; the first middle plate 210 is connected between the first shaft assembly 110 and the second shaft assembly 120, and the second middle plate 220 is connected to one of the two second shaft assemblies 120 that is farther from the first shaft assembly 110.

By means of the arrangement of the structure, the first middle plate 210, the first rotating shaft assembly 110 and the second rotating shaft assembly 120 can form an up-down folding screen hinge, wherein the first rotating shaft assembly 110 and the second rotating shaft assembly 120 are oppositely arranged; the first middle plate 210, the at least one second middle plate 220, the first rotating shaft assembly 110 and the at least two second rotating shaft assemblies 120 can form a left folding screen hinge and a right folding screen hinge, wherein the first rotating shaft assembly 110 is respectively opposite to each second rotating shaft assembly 120 in the at least two second rotating shaft assemblies 120; therefore, the first rotating shaft assembly 110, the second rotating shaft assembly 120 and the first middle plate 210 can be applied to different types of flexible screen hinge devices, and the dies of the first rotating shaft assembly 110, the second rotating shaft assembly 120 and the first middle plate 210 can be shared when different types of flexible screen hinge devices are produced, so that the production cost is reduced.

That is, when the flexible screen hinge device may include, for example, a first hinge assembly 110 and a second hinge assembly 120, it may be referred to as an up-down folding screen hinge, and may be used in an up-down folding screen apparatus; the flexible screen hinge device may also include, for example, a first hinge assembly 110 and at least two second hinge assemblies 120, which may be referred to as left and right folding screen hinges, for use with up and down folding screen devices or left and right folding screen devices.

More specifically, the length dimension of the upper and lower folding screen hinges is set to 64mm to 78.1mm, which is the width of the upper and lower folding mobile phone, and the length of the left and right folding screen hinges is 128mm to 156.2mm, which is the width of the left and right folding mobile phone.

In the upper and lower folding screen hinges or the left and right folding screen hinges, regarding the structure of the first middle plate 210, in some embodiments, the first middle plate 210 includes a middle plate body 211, and middle upper and lower connection parts 212 and 213 provided at both ends of the middle plate body 211, respectively, the middle upper and lower connection parts 212 and 213 being symmetrical with respect to a center line L of the middle plate body 211, the middle upper and lower connection parts 212 and 213 being connected to the first and second shaft assemblies 110 and 120, respectively. With the above structure, the first middle plate 210 is connected with the first rotating shaft assembly 110 and the second rotating shaft assembly 120, and the middle upper and lower connecting portions 212 and the middle upper and lower connecting portions 213 are symmetrically arranged about the middle line L of the middle plate body 211, so that the design and the manufacture of the die are simpler, and the positions of two ends of the first middle plate 210 do not need to be considered when the first middle plate 210 is connected, the assembly difficulty is reduced, and the assembly efficiency is improved.

For stability of connection, it is necessary to provide a middle mounting hole 2111 at both ends of the middle plate body 211, and a screw is coupled to a screw hole on the base after passing through the middle mounting hole 2111. Four of the one-mounting holes 2111 are provided, and two of the one-mounting holes 2111 are provided at both ends of the one-plate body 211. In some embodiments, the door panel assembly includes upper and lower door panel assemblies, wherein a first notch 2112 is formed at a side portion of one of the panel bodies 211, the upper and lower door panel assemblies form a first protrusion 3111 that mates with the first notch 2112, and the first protrusion 3111 is disposed within the first notch 2112. The above arrangement facilitates the arrangement of one of the mounting holes 2111; because the thickness of the first middle plate 210 is larger, the thickness of the upper and lower door plate assemblies is smaller, and the size of the middle plate body 211 is reduced as much as possible, which is beneficial to reducing the cost.

The first shaft assembly 110 and each second shaft assembly 120 include a damping assembly 112; the side of the middle upper and lower connection parts 212 and the side of the middle upper and lower connection parts 213 respectively form a second notch 2121, and the second notch 2121 is positioned at one side close to the end of the middle plate body 211; a first relief groove 3112 is formed on the upper and lower door plate assemblies at the corresponding position of the second notch 2121, and the first relief groove 3112 and the second notch 2121 cooperate to form a first relief portion for relieving the damping assembly 112. By means of the arrangement of the structure, the damping component 112 can be partially clamped between the upper connecting part 212 and the lower connecting part 212 and the upper door plate component and the lower door plate component, and the thickness of the damping component 112 and the thickness of the upper connecting part 212 and the lower connecting part 212 can be partially overlapped in the thickness direction of the flexible screen hinge device, namely in the direction perpendicular to the axis of the damping component 112, so that the thickness dimension of the flexible screen hinge device at the damping component 112 is reduced. Wherein, the thickness of the upper and lower connecting parts 212 is the same as the thickness of the upper and lower connecting parts 213.

The first shaft assembly 110 and each second shaft assembly 120 further include a rotating assembly 111; the side of the middle upper and lower connection parts 212 and the side of the middle upper and lower connection parts 213 are respectively provided with a third notch 2122, and the third notch 2122 is positioned at one side far from the end part of the middle plate body 211; a second yielding groove 3113 is formed on the upper and lower door plate assemblies at the corresponding position of the third notch 2122, and the second yielding groove 3113 and the third notch 2122 cooperate to form a second yielding portion for yielding the rotating assembly 111. Similarly, the above arrangement allows the thickness of the swivel assembly 111 and the thickness of one of the upper and lower connection portions 212 to partially overlap, thereby reducing the thickness dimension of the flexible screen hinge device at the swivel assembly 111.

The first and second shaft assemblies 110 and 120 include a shaft base 113, the rotation assembly 111 is disposed between the shaft base 113 and the damping assembly 112, the damping assembly 112 of the first shaft assembly 110 and the damping assembly 112 of the second shaft assembly 120 are disposed opposite to each other, and the damping assembly 112 of the first shaft assembly 110 and the damping assembly 112 of the second shaft assembly 120 are disposed between the shaft base 113 of the first shaft assembly 110 and the shaft base 113 of the second shaft assembly 120. It should be noted that the first shaft assembly 110 and the second shaft assembly 120 may be considered as the same structure, but the positions and angles of placement are different in use.

In the upper and lower folding screen hinge, the upper and lower door panel assembly includes an upper inclined plate 310 and a lower inclined plate 320; the upper inclined plate 310 and the lower inclined plate 320 are respectively disposed between the first rotating shaft assembly 110 and the second rotating shaft assembly 120 of the upper and lower folding screen hinges, and the upper inclined plate 310 and the lower inclined plate 320 are separated at both sides of the first middle plate 210. The above arrangement allows the upper and lower tilt plates 310 and 320 to cooperate with the first middle plate 210 to support the screen, which is supported over a larger area.

The upper and lower door panel assembly includes a first rail member 331, a second rail member 332, an upper panel body 311 and a lower panel body 321; the first guide rail member 331 and the second guide rail member 332 are arranged on the upper plate body 311 at intervals and are used for forming the upper inclined plate 310; the first rail member 331 and the second rail member 332 are disposed at intervals on the lower plate body 321 for forming the lower inclined plate 320. With the above arrangement, the first rail member 331 and the second rail member 332 can be shared in producing the upper swash plate 310 and the lower swash plate 320, thereby reducing the number of molds and reducing costs.

The first rail member 331 and the second rail member 332 are made of metal or carbon fiber, and the upper plate body 311 and the lower plate body 321 are made of plastic.

The rotating assembly 111 comprises a first swing arm and a second swing arm, the first swing arm and the second swing arm are synchronously rotated and arranged on the rotating shaft base 113, a first pin shaft is arranged at the tail end of the first swing arm, a second pin shaft is arranged at the tail end of the second swing arm, the rotating assembly 111 further comprises a first shell connecting rod and a second shell connecting rod, the first shell connecting rod and the second shell connecting rod are both rotated and arranged on the rotating shaft base 113 and are respectively in sliding fit with the first swing arm and the second swing arm, the first guide rail piece 331 and the second guide rail piece 332 are respectively used for being respectively in sliding fit with the first pin shaft and the second pin shaft, the upper inclined plate 310 and the lower inclined plate 320 are respectively connected with the first shell connecting rod and the second shell connecting rod in a rotating mode, so that the upper inclined plate 310 and the lower inclined plate 320 relatively swing relative to the first swing arm and the second swing arm in the rotating process of following the first shell connecting rod and the second shell connecting rod, namely, a screen forms a water drop shape when being folded.

The specific usage of the first rail member 331 and the second rail member 332, and the technical means of forming a drop-shaped screen after folding are well known to those skilled in the art, and are not intended to be the protection of the present application, and thus are not described herein.

The upper plate body 311 and the lower plate body 321 are each provided with a first protrusion 3111. The upper plate body 311 and the lower plate body 321 are each provided with a first relief groove 3112. The upper plate body 311 and the lower plate body 321 are each provided with a second relief groove 3113.

In the left and right folding screen hinge, regarding the structure of the second middle plate 220, in some embodiments, the second middle plate 220 includes a middle two-plate body 221 and left and right connection parts 222 provided at one end of the middle two-plate body 221, the middle two-plate body 221 is configured to be connected to a base, and the left and right connection parts 222 are connected to the second rotation shaft assembly 120. With the help of the arrangement of the above structure, the effect that the second middle plate 220 is connected with the base and the second rotating shaft assembly 120 is achieved, and the arrangement enables the plurality of second middle plates 220 to be used in parallel to increase the length of the whole flexible screen hinge device, so that the assembly difficulty is reduced, and the assembly efficiency is improved.

For connection stability, two mounting holes 2211 are provided at both ends of the two-plate body 221, and two screws pass through the two mounting holes 2211 and are connected with screw holes on the base. Four middle two mounting holes 2211 are provided, and two middle two mounting holes 2211 are respectively provided at two ends of the middle two plate body 221. In some embodiments, the left and right folding screen hinges further comprise left and right door panel assemblies; the side of the middle two-plate body 221 forms a fourth notch 2212, the left and right door plate components form a second protrusion 4111 matched with the fourth notch 2212, and the second protrusion 4111 is disposed in the fourth notch 2212. The above arrangement facilitates the arrangement of the second mounting hole 2211; because the thickness of the second middle plate 220 is larger, the thickness of the left and right door plate assemblies is smaller, and the size of the middle two plate bodies 221 is reduced as much as possible, which is beneficial to reducing the cost.

The second shaft assembly 120 includes a damping assembly 112; the side portions of the left and right connection portions 222 form a fifth notch 2221, the fifth notch 2221 being located at a side near the end portion of the middle two-plate body 221; third yielding grooves 4112 are formed in the left and right door plate assemblies at positions corresponding to the fifth notch 2221, and the third yielding grooves 4112 and the fifth notch 2221 are matched to form a third yielding part for yielding the damping assembly 112. By means of the arrangement of the structure, the damping component 112 can be partially clamped between the left and right connecting parts 222 and the left and right door plate components, and the thickness of the damping component 112 and the thickness of the left and right connecting parts 222 can be partially overlapped in the thickness direction of the flexible screen hinge device, namely in the direction perpendicular to the axis of the damping component 112, so that the thickness dimension of the flexible screen hinge device at the damping component 112 is reduced.

The second spindle assembly 120 further includes a rotating assembly 111; the side portions of the left and right connection portions 222 form a sixth notch 2222, the sixth notch 2222 being located at a side away from the end portion of the middle two-plate body 221; fourth relief grooves 4113 are formed on the left and right door plate assemblies at positions corresponding to the sixth notch 2222, and the fourth relief grooves 4113 are matched with the sixth notch 2222 to form fourth avoidance portions for avoiding the rotating assembly 111. Similarly, the above arrangement allows the thickness of the rotating member 111 and the thickness of the left and right connecting portions 222 to partially overlap, thereby reducing the thickness dimension of the flexible screen hinge device at the rotating member 111.

The left and right door panel assemblies include left and right inclined plates 410 and 420; the left inclined plate 410 is disposed at the left side of the first middle plate 210 and the second middle plate 220, and the right inclined plate 420 is disposed at the right side of the first middle plate 210 and the second middle plate 220, that is, the left inclined plate 410 and the right inclined plate 420 are disposed at both sides of the first middle plate 210 and at both sides of the second middle plate 220. By means of the arrangement of the left and right inclined plates 410, 420, the screen can be supported by coacting with the first and second middle plates 210, 220, so that the supported area of the screen is larger.

The left and right door panel assemblies include a first rail member 331, a second rail member 332, a left panel body 411 and a right panel body 421; two first rail members 331 and one second rail member 332 are disposed at intervals on the left plate body 411 to form a left inclined plate 410; a first rail member 331 and two second rail members 332 are disposed at intervals on the right plate body 421 for forming the right inclined plate 420. With the above arrangement, the first rail member 331 and the second rail member 332 can be shared in producing the left swash plate 410 and the right swash plate 420, thereby reducing the number of molds and reducing the cost. In other embodiments, the first rail member 331 and the second rail member 332 may be shared in producing the left swash plate 410, the right swash plate 420, the upper swash plate 310 and the lower swash plate 320, thereby reducing the number of molds and reducing costs.

The first rail member 331 and the second rail member 332 are made of metal or carbon fiber. The left plate body 411 and the right plate body 421 are made of plastic.

The left plate body 411 and the right plate body 421 are each provided with a second protrusion 4111. The left plate body 411 and the right plate body 421 are each provided with a third relief groove 4112. The left plate body 411 and the right plate body 421 are each provided with a fourth relief groove 4113.

It should be noted that the left plate body 411 and the right plate body 421 are provided with a first protrusion 3111. The left plate body 411 and the right plate body 421 are each provided with a first relief groove 3112. The left plate body 411 and the right plate body 421 are each provided with a second relief groove 3113. The above-described structure may be referred to in the description of the hinge for upper and lower folding screens.

In some embodiments, the first middle plate 210 and the second middle plate 220 are respectively formed with a first recess 214 and a second recess 223 for accommodating a screen. The arrangement of the first recess 214 and the second recess 223 can provide a larger accommodation space for the shielded screen, and avoid abutting with the screen, thereby avoiding the crease of the screen.

In some embodiments, one first middle plate 210, two second middle plates 220, one first pivot assembly 110, and two second pivot assemblies 120 form left and right folding screen hinges; wherein, a first shaft assembly 110 and two second shaft assemblies 120 are disposed at intervals and form three gaps, the first middle plate 210 is disposed at the first gap, and the two second middle plates 220 are disposed at the second gap and the third gap.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. A flexible screen hinge apparatus, comprising:

a first midplane (210) and a second midplane (220);

The first middle plate (210), the first rotating shaft assembly (110) and the second rotating shaft assembly (120) are used for forming an up-down folding screen hinge, and the first rotating shaft assembly (110) and the second rotating shaft assembly (120) are oppositely arranged;

The first middle plate (210), at least one second middle plate (220), the first rotating shaft assembly (110) and at least two second rotating shaft assemblies (120) are used for forming a left folding screen hinge and a right folding screen hinge, and the first rotating shaft assembly (110) is respectively arranged opposite to each second rotating shaft assembly (120) in the at least two second rotating shaft assemblies (120);

The first middle plate (210) is connected between the first rotating shaft assembly (110) and the second rotating shaft assembly (120), and the second middle plate (220) is connected to one second rotating shaft assembly (120) which is far away from the first rotating shaft assembly (110) in the two second rotating shaft assemblies (120).

2. The flexible screen hinge device according to claim 1, wherein the first middle plate (210) includes a middle plate body (211), and a middle upper and lower connection part (212) and a middle upper and lower connection part (213) respectively provided at both ends of the middle plate body (211), the middle upper and lower connection part (212) and the middle upper and lower connection part (213) being symmetrical with respect to a center line L of the middle plate body (211), the middle upper and lower connection part (212) and the middle upper and lower connection part (213) being respectively connected to the first rotation shaft assembly (110) and the second rotation shaft assembly (120), respectively.

3. A flexible screen hinge device according to claim 2, further comprising an upper and lower door panel assembly, wherein a first notch (2112) is formed at a side portion of the one panel body (211), the upper and lower door panel assembly forming a first protrusion (3111) mated with the first notch (2112), the first protrusion (3111) being disposed within the first notch (2112).

4. A flexible screen hinge device according to claim 3, wherein the first shaft assembly (110) and each of the second shaft assemblies (120) comprise a damping assembly (112);

The side parts of the middle upper and lower connecting parts (212) and the side parts of the middle upper and lower connecting parts (213) are respectively provided with a second notch (2121), and the second notch (2121) is positioned at one side close to the end part of the middle plate body (211);

A first yielding groove (3112) is formed in the upper door plate component and the lower door plate component at the corresponding position of the second notch (2121), and the first yielding groove (3112) is matched with the second notch (2121) to form a first avoidance portion for avoiding the damping component (112).

5. A flexible screen hinge device according to claim 4, wherein the first shaft assembly (110) and each of the second shaft assemblies (120) further comprise a rotating assembly (111);

The side parts of the middle upper and lower connecting parts (212) and the side parts of the middle upper and lower connecting parts (213) are respectively provided with a third notch (2122), and the third notch (2122) is positioned at one side far away from the end part of the middle plate body (211);

And a second yielding groove (3113) is formed on the upper door plate component and the lower door plate component at the corresponding position of the third notch (2122), and the second yielding groove (3113) is matched with the third notch (2122) to form a second avoidance part for avoiding the rotating component (111).

6. The flexible screen hinge device according to claim 1, wherein each of the second middle plates (220) includes a middle two-plate body (221) and left and right connection parts (222) provided at one end of the middle two-plate body (221), the middle two-plate body (221) being configured to be connected to a base, the left and right connection parts (222) being connected to the second rotation shaft assembly (120).

7. The flexible screen hinge apparatus of claim 6, further comprising left and right door panel assemblies;

A fourth notch (2212) is formed on the side part of the middle two plate bodies (221), a second protrusion (4111) matched with the fourth notch (2212) is formed on the left and right door plate components, and the second protrusion (4111) is arranged in the fourth notch (2212).

8. The flexible screen hinge apparatus of claim 7, wherein each of the second shaft assemblies (120) includes a damping assembly (112);

A fifth notch (2221) is formed on the side of the left and right connecting parts (222), and the fifth notch (2221) is positioned on one side close to the end part of the middle two plate bodies (221);

A third yielding groove (4112) is formed in the left door plate component and the right door plate component at the corresponding positions of the fifth notch (2221), and the third yielding groove (4112) is matched with the fifth notch (2221) to form a third avoidance part for avoiding the damping component (112).

9. A flexible screen hinge apparatus according to claim 8, wherein the second spindle assembly (120) further comprises a rotation assembly (111);

A sixth notch (2222) is formed on the side of the left and right connecting parts (222), and the sixth notch (2222) is positioned on one side far away from the end part of the middle two plate bodies (221);

A fourth yielding groove (4113) is formed in the left and right door plate assemblies at the position corresponding to the sixth notch (2222), and the fourth yielding groove (4113) is matched with the sixth notch (2222) to form a fourth avoidance part for avoiding the rotating assembly (111).

10. The flexible screen hinge device according to claim 1, wherein the first middle plate (210) and the second middle plate (220) are respectively formed with a first recess (14) and a second recess (223) for accommodating a screen.