WO2022199450A1

WO2022199450A1 - Hinge of inward-fold flexible screen mobile terminal, and inward-fold flexible screen mobile terminal

Info

Publication number: WO2022199450A1
Application number: PCT/CN2022/081357
Authority: WO
Inventors: 方敬发; 张景江; 王培松
Original assignee: 杭州安费诺飞凤通信部品有限公司
Priority date: 2021-03-23
Filing date: 2022-03-17
Publication date: 2022-09-29
Also published as: CN215871469U

Abstract

A hinge of an inward-fold flexible screen mobile terminal, and an inward-fold flexible screen mobile terminal. The hinge comprises a left side structure and a right side structure, each of which comprises a mechanism composed of a push-pull rod (1) and a fixing base (402) for pushing and pulling a housing connecting member (2) to slide, a rotating member (3), a rotation connecting arm (4), and a rotation supporting plate (5). The present invention can meet the avoidance requirement of a water drop-shaped bend of a flexible screen, and also achieve a narrow design of a frame to the greatest extent. In addition, with the relationship between the rotation connecting arm (4) and the rotation supporting plate (5) and a rotating structure of the rotation connecting arm (4), the rotation supporting plate (5) does not need to have a large slot to avoid a supporting or sliding guide structure thereof, such that the flexible screen has more complete supporting foundation, and the flexible screen is better supported, thereby improving the experience of touch operation.

Description

Inward folding flexible screen mobile terminal hinge and inner folding flexible screen mobile terminal

technical field

The present invention relates to a hinge and an inward-folding flexible screen mobile terminal using the hinge.

Background technique

For flexible screen mobile terminals, different measures will be taken in order to bulge out the shape of the bending part when the flexible screen is folded. One measure is to avoid it by setting a rotating plate in the middle, so that the middle seam folded in half can be straight, and the middle part of the folded flexible screen is similar to a water drop. In order to realize the hinge structure of this measure, the narrow frame design of the inward-folding flexible screen mobile terminal will be restricted.

SUMMARY OF THE INVENTION

An object of the present invention is to provide a new solution for the problems existing in the background technology, which can be applied to an inwardly folded flexible screen mobile terminal, which can not only achieve the avoidance requirements of the water drop shape, but also meet the requirements of the narrow frame of the mobile terminal. , and the flexible screen can be better supported. For this reason, the present invention adopts the following technical solutions:

An inward-folding flexible screen mobile terminal hinge, comprising a left structure and a right structure, characterized in that the left structure and the right structure both include:

The sliding mechanism of the connecting piece of the push-pull casing composed of the push-pull rod and the fixed seat;

a rotating member, the rotating member and the casing connecting member are slidably connected, the sliding direction is perpendicular to the rotation axis of the rotating member, and the casing connecting member and the rotating member rotate synchronously around the same axis;

Rotating the connecting arm, and the rotating connecting arm and the fixed seat are rotatably connected by the structure of the circular arc slider and the circular arc guide rail whose central angle does not exceed 180°;

The rotating support plate is used to support the flexible screen at a position close to the middle when the inwardly folded flexible screen mobile terminal is flattened, and to avoid the middle bulging part of the flexible screen when the inwardly folded flexible screen mobile terminal is in a folded state; the rotating The outer end of the support plate is a rotating connection end, the rotating support plate is rotatably connected with the casing connecting piece or the part fixed with the casing connecting piece, and the rotating supporting plate is slidably connected with the rotating connecting arm, and the sliding direction perpendicular to the rotation axis of the rotating connecting arm.

Further, the hinge also includes a synchronous reverse rotation connection structure, which is connected between the left structure and the right structure, so that the rotating parts of the left structure and the right structure rotate in reverse synchronously.

Further, the casing connecting piece is rotatably connected with the push-pull rod, and the push-pull rod is rotatably connected with the fixed seat; the rotation axis of the push-pull rod and the rotation axis of the rotating connecting arm are parallel to the rotation axis of the rotating member and are not. collinear;

The push-pull rod adopts the structure of arc slider and arc guide rail with a central angle of no more than 180° to be rotatably connected to the fixed seat, and the rotation axis is higher than the height of the back of the flexible screen when the flexible screen mobile terminal is flattened.

Further, the back of the rotating support plate is slidably connected with the rotating connecting arm.

Further, the hinge is also provided with an operation feedback mechanism; the operation feedback mechanism includes: a first rotating cam is arranged on the inner end of the rotating member along the front and rear ends of the rotating axis, and a first rotating cam is matched with the first rotating cam at the front and rear ends. Two sliding cams, the second sliding cam is supported by a spring and is in close contact with the first rotating cam, and the cam matching structures of the front end and the rear end are symmetrical and identical.

Another object of the present invention is to provide an inward-folding flexible screen mobile terminal using the above hinge, which can avoid the drop-shaped bending part of the flexible screen, meet the requirement for narrow frame and enable the flexible screen to be better supported. For this reason, the present invention adopts the following technical solutions:

An inwardly folded flexible screen mobile terminal, comprising a middle casing, a left casing, a right casing and an inner flexible screen, characterized in that the inwardly folded flexible screen mobile terminal further includes the above-mentioned hinge, and the left structure and the casing connecting pieces of the right structure are respectively fixedly connected to the left casing and the right casing, or the casing connecting pieces of the left structure and the right structure are respectively the left casing, A part of the right casing, the left casing and the right casing rotate and slide synchronously with the casing connectors of the left structure and the right structure respectively;

Taking the flattened state of the inward-folding flexible screen mobile terminal as a reference state, the rotating parts of the left and right structures, the rotating support plate, and the sliding mechanism of the push-pull casing connector are all arranged below the inner flexible screen; Wherein, the fixing base and the synchronous reverse rotation connection structure are arranged in the middle casing between the left casing and the right casing.

Further, a middle support plate is arranged on the top of the middle casing, and the middle support plate is provided with a matching socket corresponding to the arc slider on the rotating connecting arm, and the inwardly folded flexible screen mobile terminal is in a flat state. , the end of the arc slider can enter and fill the socket.

Due to the adoption of the technical solutions of the present invention, the present invention can be applied to an inwardly folded flexible screen mobile terminal, which can not only meet the need of avoiding the drop-shaped bending of the flexible screen, but also realize the narrowest design of the frame. The relationship between the arm and the rotating support plate and the rotating structure of the rotating connecting arm make the rotating support plate not need to open a large slot to avoid its support or sliding guide structure, so that the support foundation of the flexible screen is more complete, and the flexible screen can be better supported , to improve the experience of touch operation.

Description of drawings

FIG. 1 is a side view of a mobile terminal with an inwardly folded flexible screen in a flattened state according to an embodiment of the present invention.

FIG. 2 is a side view of a mobile terminal with an inwardly folded flexible screen in a closed state according to an embodiment of the present invention.

FIG. 3 is a cross-sectional view of the mobile terminal with an inwardly folded flexible screen in a state between being flattened and closed according to an embodiment of the present invention at a rotating connecting arm.

FIG. 4 is a cross-sectional view of a push-pull rod when the mobile terminal with an inwardly folded flexible screen is in a state between being flattened and closed according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of the embodiment of the present invention in the state shown in FIG. 3 after some parts are hidden.

FIG. 6 is a schematic diagram after some parts in FIG. 5 are hidden again.

7 is a cross-sectional view of a mobile terminal with an inwardly folded flexible screen in a flattened state at a synchronization structure according to an embodiment of the present invention.

FIG. 8 is a schematic diagram of a mobile terminal with an inwardly folded flexible screen in a flattened state with some parts hidden according to an embodiment of the present invention.

Detailed ways

Refer to attached drawings. The hinge provided by the present invention includes a left side structure and a right side structure, and both the left side structure and the right side structure include:

The sliding mechanism of the push-pull housing connector 2 composed of the push-pull rod 1 and the fixed seat 402 is arranged below the inward-folding flexible screen 300 when the inward-folding flexible screen mobile terminal is flattened as a reference state. When the mobile terminal rotates from the flattened state to the folded state, the push-pull rod 1 pushes the casing connector 2 (the casing) to the outside. The pull rod 1 pulls the casing connecting piece 2 (the casing) inward.

The rotating member 3, the flattened state of the inwardly folded flexible screen mobile terminal is the reference state, and is arranged below the inwardly folded flexible screen 300. The rotating member 3 is slidably connected to the casing connecting member 2 (the casing), and the sliding direction Perpendicular to the rotation axis of the rotating member 3, a sliding guide structure can be provided between the rotating member 3 and the casing connecting member 2, and the casing connecting member 2 and the rotating member rotate synchronously around the same axis; that is, the casing connecting member 2 Part 2 is a slidable and rotatable part. The inwardly folded flexible screen mobile terminal includes a left casing, a right casing and an inner flexible screen 300, a middle casing 400 between the left casing and the right casing, and casings with a left structure and a right structure. The connecting member 2 is respectively fixedly connected with the left casing and the right casing, so that the left casing and the right casing rotate and slide synchronously with the casing connecting member 2 of the left structure and the right structure respectively. .

Rotate the connecting arm 4, and the rotating connecting arm 4 and the fixed seat 402 are rotatably connected by the structure of the circular arc slider 41 and the circular arc guide rail 404 whose central angle does not exceed 180°; The 402 can be an integral or separate body with the fixed seat 402 rotatably connected to the push-pull rod 1 , and the circular arc guide rail 404 with a central angle of no more than 180° is arranged on the fixed seat 402 . Taking the flattened state of the inwardly folded flexible screen mobile terminal as a reference state, the rotating connecting arm 4 is arranged below the inwardly folded flexible screen 300 .

A middle support plate 401 is disposed on the top of the middle case 400 , and the middle support plate 401 supports the inner folded flexible screen 300 in a flattened state at the middle part of the inner folded flexible screen mobile terminal. The middle support plate 401 is provided with a matching socket 405 corresponding to the arc slider 41, so that when the rotation axis of the rotating connecting arm 4 is raised to be higher than the middle support plate 401, a good rotation support effect can be maintained, and, When the inwardly folded flexible screen mobile terminal is in a flattened state, the end 411 of the arc slider 41 can enter and fill the insertion hole 405 . In this way, this structure not only helps to reduce the thickness of the design and adapt to the avoidance requirements of more "drop-shaped" shapes, but also does not affect the integrity of the support foundation of the flexible screen.

Rotating the support plate 5, the flattened state of the inwardly folded flexible screen mobile terminal is the reference state, and is arranged below the inwardly folded flexible screen 300, and the flattened state of the inwardly folded flexible screen mobile terminal is the reference state, the left structure and the right The rotating support plates 5 of the structure are respectively located on the left and right sides of the middle support plate 401 of the inwardly folded flexible screen mobile terminal, and the middle support plate 401 is arranged at the upward opening (within The flattened state of the mobile terminal with a folded flexible screen is a reference state), the rotating support plates 5 of the left and right structures are used to support the flexible screen 300 at a position close to the middle when the mobile terminal is folded inwardly and flattened, and When the inward-folding flexible screen mobile terminal is in a folded state, the middle bulging part 301 of the flexible screen 300 is avoided by rotating at a certain angle;

The outer end of the rotating support plate 5 is a rotating connection end, and the rotating support plate is rotatably connected with the casing connector 2 (the casing), and the reference numeral 51 is its connecting shaft. The inner end of the rotating supporting plate 5 It is slidably connected with the rotating connecting arm 4 , and the sliding direction is perpendicular to the rotation axis of the rotating connecting arm 4 . Through this connection relationship and the rotation connection structure of the arc slider 41 and the arc guide rail 404 between the rotating connecting arm 4 and the fixed seat 402, due to the use of the arc slider 41, the rotating connecting arm 4 has a With the avoidance effect, the rotating support plate 5 does not need to open a large slot to avoid the rotating connecting arm 4, so that the supporting foundation of the flexible screen 300 is more complete, the flexible screen 300 can be better supported, and the experience of touch operation is improved.

The back of the rotating support plate 5 can be provided with a sliding connection slot 52, which is slidably connected to the rotating connecting arm 4 through the sliding connecting groove 52. The rotating connecting arm 4 also supports the rotating connection when the mobile terminal with an inwardly folded flexible screen is in a flattened state. The plate 5 plays a supporting role.

Returning to the sliding mechanism of the push-pull casing connector 2, the casing connector 2 is rotatably connected with the push-pull rod 1, and the push-pull rod 1 is rotatably connected with the fixing seat 402; the fixing seat 402 is fixed on the middle casing 400.

The push-pull rod 1 adopts the structure of the arc slider 11 and the arc guide rail 403 with a central angle of not more than 180° to be rotatably connected to the fixed seat 402, and the rotation axis is higher than the height of the back of the flexible screen when the flexible screen mobile terminal is flattened. . By adopting this virtual rotating shaft structure, without limiting the thickness of the inwardly folded flexible screen mobile terminal (which is helpful for thinning design), it can coordinate with other axes in a wider range, control the rotation angle of the rotating support plate 5, and adjust the position of the rotating support plate 5. Different shapes of "drop shape" provide shelter. Similarly, the middle support plate 401 is provided with a corresponding socket 406 corresponding to the arc slider 11. When the inward-folding flexible screen mobile terminal is in a flattened state, the end of the arc slider 11 can enter and The receptacles 406 are filled.

In the present invention, the rotation axis of the push-pull rod 1 and the rotation axis of the rotating connecting arm 4 are parallel to the rotating axis of the rotating member 3 but not collinear. collinear or not.

The inner ends of the rotating parts 3 of the left structure and the right structure are connected by a synchronous reverse rotation connection structure to be able to rotate in reverse synchronously, so that the left casing and the right casing also rotate in reverse synchronously. .

The synchronous reverse rotation connection structure can adopt the gear meshing connection structure 6 .

The hinge is also provided with an operation feedback mechanism to provide an operation feedback feel. The operation feedback mechanism includes: the inner end of the rotating member 3 is provided with a first rotating cam 71 at the front and rear ends of the rotating axis, and a second sliding cam 72 that cooperates with the first rotating cam 71 at the front and rear ends. The sliding cam 72 is supported by the spring 73 and is in close contact with the first rotating cam 71. The rotating axis of the rotating member 3 is the gear axis, so that the second sliding cam 72 can be sleeved on the guide on the same axis as the gear shaft. On the rod, the spring 73 can also be sleeved on the guide rod. In this way, the front-end cam structure and the rear-end cam matching structure can be made symmetrical and identical, and the spring parameters of the front-end cam structure and the rear-end cam structure are consistent, so the two sides of the entire feedback mechanism formed are symmetrical, and the force values on both sides are equal. , the whole is stable and reliable; the entire operation feedback mechanism is fixed on the middle casing 400 through the gear brackets 60 at both ends, so as to ensure that the cam rotation axis coincides with the gear synchronization axis, and ensures that the operation feedback mechanism and the gear synchronous reverse rotation connection structure Stable coincidence, thereby improving the stability of the torque rotation of the whole machine;

The above are only specific embodiments of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the field of the present invention are all included in the protection scope of the present invention. among.

It should be noted that the terms "comprising" and "having" in the description and claims of the present invention and the above-mentioned drawings, as well as any modifications thereof, are intended to cover non-exclusive inclusion. The terms "installed", "set up", "provided with", "connected", "connected" and "socketed" should be construed broadly. For example, it may be a fixed connection, a detachable connection, or a unitary structure; it may be a mechanical connection, or an electrical connection; it may be directly connected, or indirectly connected through an intermediary, or between two devices, elements, or components. internal communication. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left end" ”, “right”, etc. indicated the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific Orientation, construction and operation in a particular orientation, and therefore should not be construed as limiting the invention. The terms "first" and "second" are also used for brevity of description only, and do not indicate or imply relative importance.

Claims

An inward-folding flexible screen mobile terminal hinge, comprising a left structure and a right structure, characterized in that the left structure and the right structure both include:

The sliding mechanism of the connecting piece of the push-pull casing composed of the push-pull rod and the fixed seat;

a rotating member, the rotating member and the casing connecting member are slidably connected, the sliding direction is perpendicular to the rotation axis of the rotating member, and the casing connecting member and the rotating member rotate synchronously around the same axis;

Rotating the connecting arm, and the rotating connecting arm and the fixed seat are rotatably connected by the structure of the circular arc slider and the circular arc guide rail whose central angle does not exceed 180°;

The rotating support plate is used to support the flexible screen at a position close to the middle when the inwardly folded flexible screen mobile terminal is flattened, and to avoid the middle bulging part of the flexible screen when the inwardly folded flexible screen mobile terminal is in a folded state; the rotating The outer end of the support plate is a rotating connection end, the rotating support plate is rotatably connected with the casing connecting piece or the part fixed with the casing connecting piece, the rotating supporting plate is slidably connected with the rotating connecting arm, and the sliding direction perpendicular to the rotation axis of the rotating connecting arm.
The hinge for an inwardly folded flexible screen mobile terminal according to claim 1, characterized in that the hinge further comprises a synchronous reverse rotation connecting structure, which is connected between the left structure and the right structure, so that the left The rotating parts of the side structure and the right structure rotate in opposite directions synchronously.
The hinge for a mobile terminal with an inwardly folded flexible screen as claimed in claim 1, wherein the casing connector is rotatably connected with the push-pull rod, and the push-pull rod is rotatably connected with the fixing seat; the rotation of the push-pull rod The axis, the rotating axis of the rotating connecting arm and the rotating axis of the rotating member are parallel but not collinear;

The push-pull rod adopts the structure of arc slider and arc guide rail with a central angle of no more than 180° to be rotatably connected to the fixed seat, and the rotation axis is higher than the height of the back of the flexible screen when the flexible screen mobile terminal is flattened.
The hinge for an inwardly folded flexible screen mobile terminal according to claim 1, wherein the back of the rotating support plate is slidably connected to the rotating connecting arm.
The hinge of an inward-folding flexible screen mobile terminal according to claim 1, wherein the hinge is further provided with an operation feedback mechanism; the operation feedback mechanism comprises: the inner end of the rotating member is at the front and rear ends along the rotation axis. A first rotating cam is provided, and a second sliding cam that cooperates with the first rotating cam at the front and rear ends, the second sliding cam is supported by a spring and is in close contact with the first rotating cam, and the cam matching structures of the front and rear ends are symmetrical.
An inwardly foldable flexible screen mobile terminal, comprising a middle casing, a left casing, a right casing and an inner flexible screen, characterized in that the inwardly folded flexible screen mobile terminal further comprises the hinge of claim 1, so The casing connecting pieces of the left and right structures are respectively fixedly connected to the left casing and the right casing, or the casing connecting pieces of the left and right structures are respectively the left casing and the right casing. A part of the side casing and the right casing, the left casing and the right casing rotate and slide synchronously with the casing connectors of the left structure and the right structure respectively;

Taking the flattened state of the inward-folding flexible screen mobile terminal as a reference state, the rotating parts of the left and right structures, the rotating support plate, and the sliding mechanism of the push-pull casing connector are all arranged below the inner flexible screen; Wherein, the fixing base and the synchronous reverse rotation connection structure are arranged in the middle casing between the left casing and the right casing.
The inward-folding flexible screen mobile terminal according to claim 6, wherein a middle support plate is provided on the top of the middle casing, and the middle support plate is provided with a corresponding arc slider on the rotating connecting arm. For a matching jack, when the mobile terminal with an inwardly folded flexible screen is in a flattened state, the end of the arc slider can enter and fill the jack.