WO2022068390A1

WO2022068390A1 - Mobile terminal and folding housing therefor

Info

Publication number: WO2022068390A1
Application number: PCT/CN2021/110904
Authority: WO
Inventors: 史长春; 郑泽宽
Original assignee: Oppo广东移动通信有限公司
Priority date: 2020-09-29
Filing date: 2021-08-05
Publication date: 2022-04-07
Also published as: CN114340243B; CN114340243A; CN116685087A

Abstract

Provided in the present application is a folding housing, which is used for supporting a flexible member. The folding housing comprises two frame bodies opposite each other, and a folding device arranged between the two frame bodies. The folding device comprises a supporting mechanism used for supporting the flexible member, and a linkage mechanism connected between the supporting mechanism and each frame body. The supporting mechanism comprises a supporting assembly rotatably connected to each frame body; the linkage mechanism comprises linking members, one end of each linking member being slidably connected to the frame body, and the other end of the linking member away from the frame body rotating and being slidably connected to the supporting assembly; one of the frame bodies rotates relative to the other of the frame bodies so as to drive the corresponding linking member to rotate, and by means of the rotation of the linking member, two corresponding supporting assemblies are driven to rotate, such that folding or unfolding of the folding device is achieved. The supporting mechanism is arranged at the back of the flexible member and away from a side edge of the flexible member, such that the width of a black edge of the flexible member cannot be increased, and the screen-to-body ratio of a mobile terminal can be improved. Further provided in the present application is a mobile terminal having the folding housing.

Description

Mobile terminal and its folding casing

technical field

The present application relates to the field of electronic equipment, and in particular, to a foldable casing and a mobile terminal provided with the foldable casing.

Background technique

Electronic products such as mobile terminals such as smart phones or tablet computers all include a casing and a display screen arranged on the casing. With the development of flexible screen technology, there have been structures in which the display screen is folded up and down, such as a folding screen. mobile phone, etc. Existing folding screen mobile phones are generally divided into inner folding screen mobile phones and outer folding screen mobile phones, wherein inner folding screen mobile phones are further divided into U-shaped inner folding screen mobile phones and water drop inner folding screen mobile phones; Compared with the U-shaped inner folding screen mobile phone when it is fully folded, the whole device is thinner and the user experience is better. However, in the existing water drop-shaped inner folding screen mobile phone, the folding device for driving the display screen to fold is generally arranged on the side of the screen, thus increasing the width of the black border of the display screen.

SUMMARY OF THE INVENTION

The purpose of the present application is to provide a mobile terminal capable of realizing a narrow frame, and a foldable casing of the mobile terminal.

In order to solve the above technical problems, the present application provides a folding casing for supporting a flexible member, the folding casing includes two opposite frame bodies, and a folding device disposed between the two frame bodies, The folding device includes a support mechanism for supporting the flexible member and a link mechanism connected between the support mechanism and each frame, and the support mechanism includes a support assembly rotatably connected to each frame , the link mechanism includes a link member, one end of the link member is slidably connected with the frame body, and the other end of the link member away from the frame body is rotated and slidably connected to the support assembly, Each of the frame bodies rotates relative to the other frame body to drive the corresponding link member to rotate, and the rotation of the link member drives the corresponding support assembly to rotate, thereby realizing the folding or flattening of the folding device.

The present application further provides a mobile terminal, including a folding case and a flexible member, the flexible member covers the front of the folding case, and the flexible member is folded synchronously with the folding or flattening of the folding case or flattened.

The folding device of the mobile terminal of the present application is arranged between two frame bodies, the support mechanism of the folding device is arranged on the back of the flexible member, and a link mechanism is arranged between each frame body and the support mechanism, and the support mechanism It includes a support assembly rotatably connected to each frame body, one end of the link member of the link mechanism is slidably connected to the frame body, and the opposite end of the link member is rotated and slidably connected to the frame body. support components. Therefore, each frame body rotates relative to the other frame body to drive the corresponding link member to rotate, and the rotation of the link member drives the corresponding support assembly to rotate, thereby realizing the folding or unfolding of the folding device. Flat, the flexible part is folded or flattened synchronously with the folding or flattening of the folding device, and the support mechanism is arranged on the back of the flexible part, away from the side of the flexible part, and will not enlarge the flexible part , and can improve the screen-to-body ratio of the mobile terminal.

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the drawings required in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, other obvious deformation modes can also be obtained according to these drawings without any creative effort.

FIG. 1 is a schematic three-dimensional structural diagram of a mobile terminal in one embodiment of the present application.

FIG. 2 is a schematic three-dimensional structural diagram of the mobile terminal in FIG. 1 from another perspective.

FIG. 3 is a schematic exploded perspective view of the flexible screen and the folding casing of the mobile terminal in FIG. 1 .

FIG. 4 is a perspective exploded schematic view of the folding device and the frame of the folding casing shown in FIG. 3 .

FIG. 5 is a schematic three-dimensional structural diagram of the frame body and the folding device in FIG. 4 from another perspective.

FIG. 6 is a schematic exploded perspective view of the folding device in FIG. 4 .

FIG. 7 is a schematic three-dimensional structural diagram of the folding device in FIG. 6 from another perspective.

FIG. 8 is a further exploded schematic view of the three-dimensional structure of the folding device in FIG. 6 .

FIG. 9 is a schematic three-dimensional structural diagram of the folding device in FIG. 8 from another perspective.

FIG. 10 is a front view of the folding case of FIG. 3 .

FIG. 11 is a side view of the mobile terminal in FIG. 1 .

FIG. 12 is a cross-sectional view taken along line XII-XII in FIG. 1 .

FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. 1 .

FIG. 14 is a cross-sectional view taken along line XIV-XIV in FIG. 1 .

FIG. 15 is a schematic three-dimensional structural diagram of the mobile terminal in FIG. 1 in a folded state.

FIG. 16 is a schematic three-dimensional structural diagram of the folding device of the mobile terminal in FIG. 15 .

FIG. 17 is a side view of the mobile terminal in FIG. 15 .

FIG. 18 is a cross-sectional view taken along line XVIII-XVIII in FIG. 15 .

FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG. 15 .

FIG. 20 is a cross-sectional view taken along line XX-XX in FIG. 15 .

Detailed ways

A folding shell includes two opposite frame bodies, and a folding device arranged between the two frame bodies, the folding device includes a support mechanism for supporting a flexible member and a support mechanism connected to the support mechanism and the A link mechanism between each frame body, the support mechanism includes a support assembly rotatably connected to each frame body, the link mechanism includes a link member, one end of the link member is connected to the frame body Sliding connection, the other end of the link member rotates and is slidably connected to the support assembly, each of the frame bodies rotates relative to the other frame body to drive the corresponding link member to rotate, and the The rotation drives the corresponding support assembly to rotate, so as to realize the folding or flattening of the folding device.

When the folding shell is flattened, the front surfaces of the two supporting components of the supporting mechanism are coplanar with the front surfaces of the two frame bodies; when the folding shell is folded, the two supporting components of the supporting mechanism are coplanar. An accommodating space for accommodating the bent portion of the flexible member is enclosed between the front faces of the support assembly.

Each of the support assemblies includes a first support member, a second support member rotatably connected to the first support member, and a support base, the first support member rotatably connected to the support base, and the support base The second support member is rotatably connected to the corresponding frame body. When the folding shell is flattened, the front surface of the first support member, the front surface of the second support member, and the front surface of the frame body are on the same plane, so that It is used to support the flexible member; when the folding shell is folded, the front face of the first support member and the front face of the second support member enclose the accommodating space, and the inner cavity of the accommodating space is The second support member gradually increases toward the direction of the first support member.

When the folding casing is folded, the interval between the front faces of the first support members of the two support assemblies of the support mechanism is greater than the interval between the front faces of the second support members.

The first support member includes a first support plate, the second support member includes a second support plate, and the second support plate and the frame pass through the first arc groove and the first arc rail. Cooperative rotation connection, the first support plate and the second support plate are connected by the cooperating rotation of the second arc groove and the second arc rail, and the first support plate and the support base The third arc groove and the third arc rail are rotatably connected.

The axis line of the first circular arc groove, the axis line of the second circular arc groove and the axis line of the third circular arc groove are spaced parallel to each other and parallel to the folding axis of the folding device.

The first arc rail and the first arc groove are connected by a first rotating shaft, and the axis line of the first rotating shaft coincides with the axis line of the first arc groove; the The second circular arc rail and the second circular arc groove are connected by a second rotating shaft, and the axis line of the second rotating shaft coincides with the axis line of the second circular arc groove; the third circular arc The rail and the third circular arc groove are connected by a third rotating shaft, and the axis line of the third rotating shaft coincides with the axis line of the third circular arc groove.

When the folding shell is flattened, the axis of the first rotating shaft, the axis of the second rotating shaft and the axis of the third rotating shaft are located on the same plane parallel to the flexible member superior.

When the folding shell is folded, the interval between the axis lines of the two first rotating shafts of the support mechanism is smaller than the interval between the axis lines of the two second rotating shafts, and the two The interval between the axis lines of the second rotating shaft is smaller than the interval between the axis lines of the two third rotating shafts.

The connecting rod includes a first end rod and a second end rod located at opposite ends, the first end rod is slidably connected to the corresponding frame body, and the second end rod is rotatably and slidably connected to the corresponding support assembly .

The sliding direction of the link member relative to the frame body is perpendicular to the folding axis of the folding device.

The frame body is provided with a guide groove perpendicular to the folding axis, and the first end rod of the link member is slidably inserted in the guide groove.

The link mechanism further includes a link base, the second end rod of the link member is rotatably connected to the link base, and the rotation between the second end rod and the link base The connecting axis is parallel to the folding axis of the folding device, and the rotation of the link member relative to the link base drives the first support member to rotate relative to the support base.

The connecting rod further includes a guide shaft disposed between the first end rod and the second end rod, the axis line of the guide shaft is parallel to the folding axis, and the first support member There is an inclined chute, the guide shaft is slidably and rotatably arranged in the chute, and the rotation of the frame drives the connecting rod to rotate relative to the connecting rod base, so that the guide shaft The inner wall of the chute is pushed to drive the first support member to rotate relative to the support base.

The connecting rod further includes a connecting rod connected between the first end rod and the second end rod, the connecting rod extending obliquely from the first end rod to the second end rod, so The second end rod extends from one end of the connecting rod away from the first end rod to a side away from the first end rod, and the guide shaft is arranged at the position where the connecting rod is adjacent to the second end rod .

The back of the first support member is provided with a protruding strip, the sliding groove is set on the protruding strip, and the sliding groove is inclined from the side adjacent to the support base to the first end rod of the link member extend.

The axis line of the rotating shaft between the first support member and the support base is closer to the first support than the axis line of the rotating shaft between the link member and the link base the front of the piece.

The folding device further includes a connection frame, the connection frame is located between the two support assemblies, and the support base and the link base are respectively fixedly connected to the connection frame.

One side of each frame body close to the other frame body is provided with a first accommodating groove and a second accommodating groove communicating with the first accommodating groove. When the folding shell is flattened, the connecting frame is accommodated in the two frames. In the installation space enclosed by the first receiving groove of the frame body; when the folding shell is folded, the first supporting member and the second supporting member are contained in the first receiving groove and the second receiving groove of the two frame bodies. into the installation space.

A mobile terminal includes a foldable casing and a flexible member, the flexible member covers the front of the foldable casing, and the flexible member is folded or flattened synchronously with the folding or flattening of the foldable casing.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

Furthermore, the following descriptions of the various embodiments refer to the accompanying drawings to illustrate specific embodiments in which the present application may be practiced. Directional terms mentioned in this application, such as "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "side", etc., only Reference is made to the directions of the accompanying drawings, therefore, the directional terms used are for better and clearer description and understanding of the present application, rather than indicating or implying that the device or element referred to must have a specific orientation, in a specific orientation construction and operation, and therefore should not be construed as limitations on this application.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "disposed on" should be interpreted in a broad sense, for example, it may be The fixed connection can also be a detachable connection or an integral connection; it can be a mechanical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication of the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

Please refer to FIG. 1 to FIG. 7 together. The mobile terminal 100 in one embodiment of the present application includes a foldable casing 20 and a flexible member 30 disposed on the foldable casing 20. The foldable casing 20 is used to support flexible Piece 30. The flexible member 30 may be various flexible members with corresponding functions, such as a flexible display screen, a flexible touch screen, and a flexible touch display screen. The folding casing 20 includes two opposite frame bodies 22 and a folding device 23 disposed between the two frame bodies 22 . The folding device 23 includes a support mechanism 24 for supporting the flexible member 30 and a link mechanism 25 connected between the support mechanism 24 and each frame body 22 . The support mechanism 24 includes a support assembly 26 rotatably connected to each frame body 22, and the link mechanism 25 includes a link member 251 and a link base 255. One end of the link member 251 is slidably connected to the corresponding frame body 22, and the connecting The other end of the rod member 251 away from the frame body 22 rotates and is slidably connected to the corresponding support assembly 26. Each frame body 22 rotates relative to the other frame body 22 to drive the corresponding link member 251 to rotate. The rotation of 251 drives the corresponding support assembly 26 to rotate, so as to realize the folding or flattening of the folding device 20 , and the flexible member 30 is folded or flattened synchronously with the folding or flattening of the folding device 20 . Preferably, the two frame bodies 22 are rotated synchronously toward or away from each other to drive the link member 251 to rotate. Folded or flattened, the flexible member 30 is folded or flattened synchronously with the folding or flattening of the folding device 20 .

In this embodiment, each link member 251 includes a first end rod 2511 and a second end rod 2513 at opposite ends, and a connecting rod 2514 connected between the first end rod 2511 and the second end rod 2513. The one end rod 2511 and the second end rod 2513 respectively extend from opposite ends of the connecting rod 2514 in a direction away from each other. The first end rod 2511 is slidably connected to the corresponding frame body 22, the second end rod 2513 is rotated and slidably connected to the corresponding support assembly 26, and the two frame bodies 22 pass through the two link members 251 during the relative folding or flattening process. The two supporting assemblies 26 are driven to fold or flatten relative to each other, so as to realize the bending or flattening of the flexible member 30 . Specifically, the two frame bodies 22 are rotated relatively close to each other and folded to drive the corresponding link members 251 to rotate, and the rotation of the link members 251 drives the two support assemblies 26 to rotate and approach each other, so that the folding device 23 is folded to realize the flexible member 30 bending; the two frame bodies 22 are rotated relatively away from each other and flattened to drive the corresponding link member 251 to rotate, and the rotation of the link member 251 drives the two support assemblies 26 to rotate and move away from each other, so that the folding device 23 is flattened In order to realize the flattening of the flexible member 30 .

The mobile terminal 100 of the present application is, for example, but not limited to, mobile phones, tablet computers, monitors, liquid crystal panels, OLED panels, televisions, smart watches, vehicle monitors, and other products and components with display functions. The "connection" in the description of the embodiments of the present application includes both direct connection and indirect connection. For example, the connection between A and B includes the direct connection between A and B or the connection through a third element C or more other elements. The connection also includes two cases of integral connection and non-integrated connection. The integral connection means that A and B are integrally formed and connected, and the non-integrated connection means that A and B are not integrally formed and connected. It can be understood that, unless limited by means of modifiers, prefixes or suffixes, the “connection” referred to in the embodiments of the present application should be understood as including but not limited to fixed connection, rotational connection, sliding connection, pivot connection, screw connection, movable connection Connection, interference connection, friction connection, elastic connection, rigid connection, adhesive connection, etc. It can be understood that the "fixing" referred to in the embodiments of the present application is not limited to the direct fixing of two components, but may be fixed by a third-party component or more components. Understandably, the term "rotational connection", "sliding connection", "rotational connection", "elastic connection", "rigid connection", "fixed connection", "movable connection", "pivot connection", "screw connection", etc. Various specific connection relationships such as "connection" are not limited to the direct connection of two elements, but may be connected through a third-party element or more other elements, unless it is explicitly stated that the two elements are directly connected.

The folding device 23 of the mobile terminal 100 of the present application is disposed between the two frame bodies 22, and the supporting mechanism 24 of the folding device 23 is disposed on the back of the flexible member 30, that is, the supporting mechanism 24 is used to support the flexible member 30; each frame body 22 A link mechanism 25 is provided between the support mechanism 24 and the support mechanism 24 includes a support assembly 26 rotatably connected to each frame body 22. One end of the link member 251 of the link mechanism 25 is slidably connected to the frame body 22, and The opposite end of the link member 251 is rotated and slidably connected to the support assembly 26. Therefore, the two frame bodies 22 are folded or flattened relatively, and the two support members 26 are driven to fold or flatten relatively by the link member 251, thereby realizing When the folding device 20 is folded or flattened, the flexible member 30 can be folded or flattened simultaneously with the folding or flattening of the folding device 20 . The bent portion of the flexible member 30 is accommodated in the accommodating space enclosed by the two support assemblies 26 , which reduces the space required to occupy the thickness direction of the mobile terminal 100 after the bent portion of the flexible member 30 is bent, so as to reduce the amount of space in the mobile terminal 100 . The overall thickness in the folded state; in addition, the support mechanism 24 is disposed on the back of the flexible member 30, away from the side of the flexible member 30, so as not to increase the width of the black border of the flexible member 30 and improve the screen ratio of the mobile terminal 100 .

As shown in FIG. 1 and FIG. 3 , the flexible member 30 includes a bendable area 31 covering the front surface of the support mechanism 24 , and two non-bendable areas 33 connected to opposite sides of the bendable area 31 , which can be bent After the region 31 is bent, a bent portion of the flexible member 30 is formed, and the two non-bent regions 33 are respectively connected to the front surfaces of the two frame bodies 22 . The support mechanism 24 is used to support the bendable area 31 of the flexible member 30 , and the bendable area 31 is bent or flattened with the support mechanism 24 . Specifically, during the folding process of the two frame bodies 22, the link member 251 is driven to rotate, the rotation of the link member 251 and the folding of the frame body 22 drive the support mechanism 24 to bend, and the bendable area 31 bends with the support mechanism 24. The bending portion formed by the bending of the bendable region 31 is accommodated in the accommodation space formed by the bending of the support mechanism 24; during the flattening process of the two frame bodies 22, the link member 251 is driven to rotate, and the connecting The rotation of the rod 251 and the folding of the frame body 22 drive the support mechanism 24 to be flattened, and the bendable region 31 is flattened with the support mechanism 24 . The front in this application refers to the surface of each component facing the flexible member 30 when the mobile terminal 100 is in a flattened state, for example, the front of the support assembly 26 and the front of the frame body 22 refer to the surface of the mobile terminal 100 that faces the flexible member 30 when the mobile terminal 100 is flattened; The back side in this application refers to the side of each component facing away from the flexible member 30 when the mobile terminal 100 is in a flattened state, and both the front side and the back side appearing in this application are suitable for the above definition.

As shown in FIG. 4 , one side of each frame body 22 close to the other frame body 22 is provided with a first accommodating groove 221 . Specifically, the first accommodating groove 221 is provided on the front surface 220 of each frame body 22 close to the other frame body On one side of the body 20 , the opposite ends of the first accommodating groove 221 respectively pass through the opposite sides of the frame body 22 , and the first accommodating groove 221 does not penetrate the back of the frame body 22 to form a baffle 222 on the back of the frame body 22 . . Each frame body 22 is provided with a second receiving groove 223 near the corresponding first receiving groove 221 , and the second receiving groove 223 communicates with the first receiving groove 221 ; The front surface 220 is close to the first receiving groove 221 , the opposite ends of the second receiving groove 223 respectively pass through the opposite sides of the frame body 22 , one side of the second receiving groove 223 is connected to the first receiving groove 221 , and the second receiving groove 223 is not Passing through the back of the frame body 22 to form a connecting plate 224 on the back of the frame body 22 . The thickness of the connecting plate 224 along the thickness direction of the frame body 22 is greater than the thickness of the baffle plate 222 along the thickness direction of the frame body 22, so that a stepped structure is formed on the side of each frame body 22 facing the other frame body 22. The stepped structure of the body 22 encloses an accommodating space for accommodating the folding device 23 .

Each frame body 22 is provided with a guide groove 226 perpendicular to the folding axis of the folding device 23, and the first end rod 2511 of the link member 251 is slidably inserted in the guide groove 226; specifically, the guide groove 226 is provided in the frame body The front side of the connecting plate 224 of 22 is close to one side of the first accommodating groove 221 , and the guide groove 226 extends along the direction of the folding axis perpendicular to the folding device 23 and penetrates the first accommodating groove 221 . In this embodiment, the connecting plate 224 of each frame body 22 is provided with two guide grooves 226 at intervals, and the first end rod 2511 of the link member 251 is slidably inserted in each guide groove 226 .

In other embodiments, the connecting plate 224 of each frame body 22 may be provided with one or more than two guide grooves 226 , and the first end rod 2511 of the link member 251 is slidably inserted in each guide groove 226 .

In other embodiments, each frame body 22 is provided with a guide rail perpendicular to the folding axis of the folding device 23 , the first end rod 2511 of the link member 251 is provided with a guide groove matched with the guide rail, and the guide rail of the frame body 22 It can slide relative to the guide groove of the link member 251 .

Please refer to FIG. 3 to FIG. 9 together. Each support assembly 26 includes a first support member 261 , a second support member 265 rotatably connected to the first support member 261 , and a support base 267 . The first support member 261 is far away from the first support member 261 . One side of the second support member 265 is rotatably connected to the support base 267 , and a side of the second support member 265 away from the first support member 261 is rotatably connected to the corresponding frame body 22 . When the folding housing 20 is flattened, the front surfaces of the two support assemblies 26 of the support mechanism 24 are coplanar with the front surfaces 220 of the two frame bodies 22 , specifically, the front surfaces of the first support member 261 and the second support member 265 , And the front surface 220 of the frame body 22 is located on the same plane to support the flattened flexible member 30; as shown in FIG. The accommodating space 27 for accommodating the bending portion 301 of the flexible member 30 , specifically, the two first supporting members 261 and the two second supporting members 265 enclose the accommodating space 27 , and the inner cavity of the accommodating space 27 It gradually increases from the second support member 265 to the direction of the first support member 265 .

Each frame body 22 and the support assembly 26 are connected by the first arc groove 228 and the first arc rail 2653 to rotate, so as to realize the relative rotation of the support assembly 26 relative to the frame body 22 . Each frame body 22 has a connecting piece 227 extending into the second receiving slot 223 . Each connecting piece 227 is provided with a first arc slot 228 , and the axis of the first arc slot 228 is parallel to the folding axis of the folding device 23 . . In this embodiment, each frame body 22 extends into the second receiving groove 223 with two connecting pieces 227 spaced apart, and the two connecting pieces 227 are adjacent to the two guide grooves 226 respectively; each connecting piece 227 is a circular arc piece, The first arc groove 228 is disposed on the front surface of the connecting piece 227 . Specifically, the first support member 261 includes a rectangular first support plate 2611 , the second support member 265 includes a rectangular second support plate 2651 , and the second support plate 2651 and the frame body 22 pass through the first arc groove 228 and The first circular arc rail 2653 is rotatably connected, the first supporting plate 2611 and the second supporting plate 2651 are connected by the cooperating rotation of the second circular arc groove 2655 and the second circular arc rail 2613, and the first supporting plate 261 is connected to the supporting plate 2613. The seat bodies 267 are connected in rotation with the third circular arc groove 2672 and the third circular arc rail 2614.

In this embodiment, two first circular arc rails 2653 are arranged on one side of the back of each second support member 265 at intervals, and each first circular arc rail 2653 is rotatably matched with the corresponding first circular arc groove 228; two second arc grooves 2655 spaced apart are provided on the other side of the back of each second support 265 away from the first arc rail 2653. Specifically, two arc-shaped extension pieces 2654 are provided on the side of the back of the second support plate 2651 away from the first arc rail 2653 , and the second arc groove 2655 is provided on the front side of the extension pieces 2654 . The first arc rails 2653 are rotatably fitted with the corresponding first arc grooves 228 . The first circular arc rail 2653 is a circular arc piece, the back of the first circular arc rail 2653 is a circular arc surface, the circular arc surface and the inner surface of the first circular arc groove 228 rotate and fit, and the first circular arc rail 2653 is a circular arc surface. 2653 and the first arc groove 228 are connected in rotation by a first rotation axis A1 (as shown in FIG. 12 ), the first rotation axis A1 is an imaginary axis, and the first rotation axis A1 is parallel to the folding axis of the folding device 23 . .

In other embodiments, each of the first circular arc rails 2653 and the corresponding connecting piece 227 are rotatably plugged into each other. The connecting piece 227 is inserted into the circular arc groove, so that the first circular arc rail 2653 is rotatably connected relative to the connecting piece 227 along the first rotation axis A1, or the connecting piece 227 is provided with an arc groove along its circumferential direction. A circular arc rail 2653 is inserted into the circular arc groove, so that the first circular arc rail 2653 is rotatably connected relative to the connecting piece 227 along the first rotation axis A1. Because the first circular arc rail 2653 and the connecting piece 227 are rotatably plugged together, the first circular arc rail 2653 and the connecting piece 227 will not be separated from each other during the relative rotation.

In this embodiment, two second circular arc rails 2613 are spaced apart on the side of each first support 261 away from the other first support 261 , and each first support 261 is close to the other first support One side of the 261 is provided with two third circular arc rails 2614 at intervals, each second circular arc rail 2613 is rotatably connected with the corresponding second circular arc groove 2655, and each third circular arc rail 2614 is connected with the corresponding support The third circular arc groove 2672 of the base body 267 is rotatably connected. Specifically, two second circular arc rails 2613 are provided on the back side of each first support plate 2611 away from the other first supporting plate 2611, and two third circular arc rails 2614 are provided on each first supporting sheet 2611 is close to one side of the other first support plate 2611 . The back of each second arc rail 2613 is set as an arc surface rotatably attached to the inner surface of the corresponding second arc groove 2655 , and the second arc rail 2613 and the second arc groove 2655 pass through the arc surface. The second rotation axis A2 (as shown in FIG. 12 ) is rotatably connected, the second rotation axis A2 is an imaginary axis, and the second rotation axis A2 is parallel to the folding axis line of the folding device 23 . The back of each third circular arc rail 2614 is set as a circular arc surface rotatably attached to the inner surface of the corresponding third circular arc groove 2672 , and the third circular arc rail 2614 and the third circular arc groove 2672 pass through. The third rotation axis A3 (as shown in FIG. 12 ) is rotatably connected, the third rotation axis A3 is an imaginary axis, and the third rotation axis A3 is parallel to the folding axis line of the folding device 23 .

In other embodiments, each second arc rail 2613 and the corresponding extension piece 2654 are rotatably plugged into each other. The extension piece 2654 is inserted into the arc groove, so that the second arc rail 2613 is connected relative to the extension piece 2654 along the second rotation axis A2; The two arc rails 2613 are inserted into the arc grooves, so that the second arc rails 2613 are rotatably connected relative to the extension piece 2654 along the second rotation axis A2. Since the second arc rail 2613 and the extension piece 2654 are rotatably plugged together, the second arc rail 2613 and the extension piece 2654 will not be separated from each other during the relative rotation.

In other embodiments, each third arc rail 2614 and the corresponding support base 267 are rotatably plugged with each other. is inserted into the arc groove, so that the third arc rail 2614 is rotatably connected relative to the support base 267 along the third rotation axis A3; an arc groove can also be provided on the third arc rail 2614 along its circumferential direction, The support base 267 is provided with an arc-shaped rail inserted in the circular arc groove, so that the arc-shaped rail and the circular arc groove are rotatably connected along the third rotation axis A3. Since the third arc rail 2614 and the support base 267 are rotatably plugged together, the third arc rail 2614 and the support base 267 will not be separated from each other during the relative rotation.

As shown in FIG. 9 , the backside of each first support member 261 is provided with inclined protruding strips 2616 , and the protruding strips 2616 are provided with sliding grooves 2617 along the extending direction thereof. Specifically, the back of each first support plate 2611 is provided with two protruding strips 2616 at intervals, and each protruding strip 2616 is inclined from the middle position of the back of the first supporting plate 2611 to the side away from the other first supporting member 261 Extending, the opposite sides of the chute 2617 pass through the opposite sides of the protruding strip 2616 , and one end of the chute 2617 away from the first support plate 2611 does not pass through the end surface of the protruding strip 2616 . Two first avoidance notches 2617 and two second avoidance notches 2618 are defined on the side of each first support plate 2611 away from the second arc rail 2613 , and the two first avoidance notches 2617 correspond to the two The three arc rails 2614 and the two second avoidance notches 2618 are respectively close to the two protruding strips 2616 .

As shown in FIG. 6 to FIG. 8 , each link member 251 has an approximately zigzag structure, the connecting rod 2514 extends obliquely from the end of the first end rod 2511 to the second end rod 2513 , and the second end rod 2513 extends from the connecting rod One end of the 2514 away from the first end rod 2511 extends obliquely to the side away from the first end rod 2511 . The end of the second end rod 2513 of each link member 251 away from the first end rod 2511 is rotatably connected to the connecting rod base 255 , and the rotation between the second end rod 2513 and the connecting rod base 255 is connected to the axis line Parallel to the folding axis of the folding device 23 . Specifically, the end of the second end rod 2513 away from the first end rod 2511 is provided with a connecting shaft 2516 , the top of the link base 255 is provided with a connection gap 2551 , and the top of the link base 255 is parallel to the folding axis of the folding device 23 . A shaft hole 2553 is opened in the direction of the shaft hole 2553, the shaft hole 2553 passes through the connecting notch 2551, the end of the second end rod 2513 away from the first end rod 2511 is accommodated in the connecting notch 2551, and the connecting shaft 2516 is rotatably connected to the shaft hole 2553; The rod base 255 is provided with a limiting surface 2555 on one side of the connecting notch 2551 close to the corresponding first support member 261 , and the limiting surface 2555 prevents the folding device 23 from being folded back.

Each link member 251 further includes a guide shaft 2517 disposed between the first end rod 2511 and the second end rod. The axis of the guide shaft 2517 is parallel to the folding axis of the folding device 23. The guide shaft 2517 slides and rotates. Set in the corresponding chute 2617 of the first support member 261, the rotation of the frame body 22 drives the link member 251 to rotate relative to the link base 255, so that the guide shaft 2517 pushes against the inner wall of the chute 2617 to drive the first support The member 261 rotates relative to the support base 267 . Specifically, the guide shaft 2517 is provided on the side of the connecting rod 2514 and extends in a direction parallel to the axis of the connecting shaft 2516; preferably, the guide shaft 2517 is provided on the connecting rod 2514 adjacent to the second end rod 2513.

The folding device 23 further includes a connecting frame 28 . The connecting frame 28 is located between the two support assemblies 26 , and the support base 267 and the link base 255 are fixedly connected to the connecting frame 28 respectively. Specifically, the connecting frame 28 includes a rectangular fixing plate 281 and flanges 283 disposed on opposite sides of the fixing plate 281. The fixing plate 281 and the two flanges 283 enclose an installation groove 285, and the support base 267 and the connecting rod base 255 is fixedly arranged in the installation groove 285 . In this embodiment, the support mechanism 24 of the folding device 23 includes two support assemblies 26 , and the opposite ends of the back of each support assembly 26 are respectively provided with link mechanisms 25 , that is, the opposite sides of the installation groove 285 of the connection frame 28 . Two connecting rod bases 255 and two supporting bases 267 are respectively provided. The connecting rod bases 255 and the supporting bases 267 on the same side are respectively located at opposite ends of the connecting frame 28 , and each supporting base 267 is adjacent to the corresponding one. Link base 255.

Please refer to FIGS. 4 to 14 together. When assembling the folding device 23 , the second arc rail 2613 of each first support 261 is rotatably connected to the second arc groove 2655 of the corresponding second support 264 Insert the guide shaft 2517 of each link member 251 into the corresponding chute 2617; insert the connecting shaft 2516 of the two link members 251 connected to each support assembly 26 into the two connecting rods on the same side of the connection frame 28 The shaft hole 2553 of the base 255 and the third arc rails 2614 of the two first support members 261 are respectively rotatably connected to the third arc grooves 2672 of the corresponding support base 267 .

When assembling the foldable housing 20, the two frame bodies 22 are placed side by side, that is, the sides of the two baffles 222 are attached, so that the first receiving groove 221 and the second receiving groove 223 of the two frame bodies 22 enclose an installation space. The assembled folding device 23 is then placed in the installation space, so that the first end rod 2511 of each link member 251 is slidably inserted into the corresponding guide groove 226, and the The two first arc rails 2653 are respectively rotatably connected to the corresponding first arc grooves 228 . At this time, the front surfaces of the two first support members 261 , the front surfaces of the two second support members 264 , and the front surfaces 220 of the two frame bodies 22 are coplanar. When assembling the mobile terminal 100, the back of the non-bending area 33 at one end of the flexible screen 30 is fixed to the front surface 220 of one of the frames 22, and the back of the non-bending area 33 at the opposite end of the flexible screen 30 is fixed to the other side. On the front surface 220 of the frame body 22 , the back surface of the bendable area 31 of the flexible screen 30 is attached to the front surface of the support mechanism 24 .

As shown in FIG. 10 to FIG. 14 , the axis line of the first circular arc groove 228 , the axis line of the second circular arc groove 2655 and the axis line of the third circular arc groove 2672 are spaced parallel to each other and parallel to the folding device 23 fold axis. Specifically, the axis line of the first circular arc groove 228 coincides with the axis line of the corresponding first rotation axis A1, and the axis line of the second circular arc groove 2655 coincides with the axis line of the corresponding second rotation axis A2 , the axis of the third arc groove 2672 coincides with the axis of the corresponding third rotation axis A3; the first rotation axis A1, the second rotation axis A2 and the third rotation axis A3 are all imaginary axes, and the first rotation axis A1, the second rotation axis A2 and the third rotation axis A3 The rotation axis A1 , the second rotation axis A2 and the third rotation axis A3 are parallel to the folding axis of the folding device 23 . Therefore, the support mechanism 24 is connected through the virtual axis rotation, which can reduce the installation space enclosed by the first accommodating groove 221 and the second accommodating groove 223 of the two frame bodies 22 , which is convenient for accommodating other components, and can reduce the size of the folding shell 20 . overall weight, and can reduce manufacturing costs, etc.

When the folding casing 20 is flattened, the connecting frame 28 is accommodated in the installation space enclosed by the first accommodating groove 221 and the second accommodating groove of the two frame bodies 22 . The front side of the frame body 22 and the front side 220 of the frame body 22 are located on the same plane, and the flexible member 30 is flattened on the plane. The axis line of the first circular arc groove 228, the axis line of the second circular arc groove 2655 and the axis line of the third circular arc groove 2627 are located on the same plane, that is, the axis line of the first rotation axis A1, the axis line of the second circular arc groove The axis line of the rotation axis A2 and the axis center line of the third rotation axis A3 are located on the same plane. Specifically, the axis of the first arc groove 228, the axis of the second arc groove 2655 and the axis of the third arc groove 2627 are located on the same plane parallel to the flexible member; in this embodiment, The axis of the first rotation axis A1, the axis of the second rotation axis A2 and the axis of the third rotation axis A3 are located on the back of the flexible member 30, that is, the axis of the first rotation axis A1, the axis of the second rotation axis The plane interval where the axis line of the axis A2 and the axis line of the third rotation axis A3 are located is parallel to the back surface of the flexible member 30; preferably, the back surface of the first support plate 2611 and the back surface of the second support plate 2651 are coplanar. The axis line of a rotation axis A1, the axis center line of the second rotation axis A2, and the axis center line of the third rotation axis A3 are located on the same plane. The axis of the rotation shaft between the first support member 261 and the support base 267 is closer to the front of the first support member 261 than the axis of the rotation shaft between the link member 251 and the link base 255; The axis line of the third rotation axis A3 between the first support member 261 and the support base 267 is closer to the axis line of the first support member 261 than the axis line of the rotation axis between the link member 251 and the link base 255 . front. That is, the axis of the third rotation axis A3 is closer to the flexible member 30 than the axis of the rotation axis between the link member 251 and the link base 255 . The second end rod 2513 of each link member 251 is supported on the limit surface 2555 of the corresponding link base 255 to prevent the link member 251 from rotating further to the back, thereby preventing the folding device 23 from folding back and damaging the flexibility At this time, the guide shaft 2517 of each link member 251 is located at one end of the corresponding chute 2617 away from the flexible member 30 .

Please refer to FIG. 15 to FIG. 20 together. When the mobile terminal 100 is folded, a bending force is applied to one of the frames 22 of the mobile terminal 100, so that the one of the frames 22 rotates toward the other frame 22 to drive the The link member 251 connected to one of the frame bodies 22 rotates. Specifically, the rotation of one of the frame bodies 22 causes the first end rod 2511 of the link member 251 to slide in the corresponding guide groove 226, and the connecting shaft 2516 of the link member 251 rotates along the corresponding shaft hole 2553, connecting the The guide shaft 2517 of the rod member 251 slides in the corresponding chute 2617 toward the end close to the flexible member 30 and pushes against the inner wall of the chute 2617 rotatably, so that the corresponding first support member 261 is relative to the support base with the link member 251 267 rotates; since the first support 261 and the corresponding second support 265 are rotatably connected with the second arc rail 2613 and the second arc groove 2655, the second support 265 and the corresponding frame 22 are rotatably connected. The first circular arc rail 2653 is rotatably connected to the first circular arc groove 228 . Therefore, the rotation of the one frame body 22 and the rotation of the first support member 261 together drive the second support member 261 relative to the first support member. 261 and one of the frame bodies 22 are rotated. Apply a bending force to the other frame body 22 in the same way, so that the other frame body 22 rotates toward the one frame body 22 to drive the link member 251 connected to the other frame body 22 Specifically, the rotation of the other frame body 22 causes the first end rod 2511 of the link member 251 to slide in the corresponding guide groove 226, and the connecting shaft 2516 of the link member 251 rotates along the corresponding shaft hole 2553 , the guide shaft 2517 of the link member 251 slides in the corresponding chute 2617 toward one end of the flexible member 30 and pushes against the inner wall of the chute 2617 rotatably, so that the corresponding first support member 261 is relative to the support member 261 along with the link member 251 The seat body 267 rotates; since the first support member 261 and the corresponding second support member 265 are rotatably connected to the second arc groove 2655 through the second arc rail 2613, the second support member 265 and the corresponding frame body 22 The first circular arc rail 2653 is rotatably connected to the first circular arc groove 228. Therefore, the rotation of the other frame body 22 and the rotation of the first supporting member 261 together drive the second supporting member 261 relative to the first supporting member 261. The support member 261 and one of the frame bodies 22 are rotated to realize the folding of the folding device 23 . Since the axis line of the rotating shaft between the connecting shaft 2516 of the link member 251 and the shaft hole 2553 is farther from the flexible member 30 than the axis line of the corresponding third rotating shaft A3, and the guide shaft 2517 is slidably and rotatably provided in the corresponding position Therefore, during the folding process of the folding device 23, the rotation angle of the first support member 261 is greater than the rotation angle of the second support member 265, that is, the rotation angle of the first support plate 2611 of the same support assembly 26 is greater than The rotation angle of the second support plate 2651; such that a conical accommodating space 27 is formed between the two support assemblies 26 of the support mechanism 24. Specifically, the first supports 261 of the two support assemblies 26 are opposite to each other at intervals, and the second supports 265 are opposite to each other, and the interval between the two first supports 261 is greater than the interval between the second supports 265, that is, the two The interval between the first support plates 2611 is greater than the interval between the two second support plates 2651 . During the folding process of the folding device 23 , the bendable region 31 of the flexible member 30 is bent with the folding device 23 to form a bending portion 301 accommodated in the accommodating space 27 . The front surfaces of the two non-bending regions 33 of the component 30 are abutted, so that the overall thickness of the mobile terminal 100 in the folded state is reduced. The first avoidance notch 2617 and the second avoidance notch 2618 on each first support 261 are used to avoid the corresponding support base 267 and the link base 255 respectively, so as to avoid the support base 267 and the link base 255 abuts against the corresponding first support plate 2611 .

In other bending methods of the mobile terminal 100, a bending force can be applied to the two frame bodies 22 at the same time, so that the two frame bodies 20 are close to each other, so as to drive the corresponding link members 251 to rotate and approach each other, and the frame bodies 22 and the rotation of the link member 251 drive the first support member 261 and the second support member 265 to rotate to realize the folding of the folding device 23 , and the flexible member 30 is folded with the folding device 23 to realize the bending of the mobile terminal 100 .

As shown in FIGS. 16 to 20 , when the folding device 23 is in the folded state, the first support member 261 and the second support member 265 of each support mechanism 24 are accommodated in the first receiving grooves 221 of the two frame bodies 22 . and the installation space enclosed by the second receiving groove 223; the interval between the axis lines of the two first circular arc grooves 228 of the folding device 23 is smaller than that between the axis lines of the two second circular arc grooves 2655 interval, the interval between the axis lines of the two second arc grooves 2655 is smaller than the interval between the axis lines of the two third arc grooves 2672; that is, the axes of the two first rotation axes A1 The space between the center lines is smaller than the space between the center lines of the two second rotation axes A2, and the space between the center lines of the two second rotation axes A2 is smaller than the center line of the two third rotation axes A3 interval between.

As shown in FIGS. 11 to 14 , when the mobile terminal 100 needs to be flattened, one of the frame bodies 22 is pulled outward, so that the one of the frame bodies 22 is rotated away from the other frame body 22 to drive the connection to the other frame body 22 . The link member 251 of one of the frame bodies 22 rotates. Specifically, the rotation of one of the frame bodies 22 causes the first end rod 2511 of the link member 251 to slide in the corresponding guide groove 226, and the connecting shaft 2516 of the link member 251 rotates along the corresponding shaft hole 2553, connecting the The guide shaft 2517 of the rod member 251 slides in the corresponding chute 2617 to the end away from the flexible member 30 and pushes against the inner wall of the chute 2617 in rotation, so that the corresponding first support member 261 is relative to the support base with the rod member 251 267 rotates; the rotation of the one frame body 22 and the rotation of the first support member 261 together drive the second support member 261 to rotate relative to the first support member 261 and the one frame body 22 . Apply a flattening force to the other frame body 22 in the same way, so that the other frame body 22 rotates away from the one frame body 22 to drive the link member connected to the other frame body 22 Specifically, the rotation of the other frame body 22 causes the first end rod 2511 of the link member 251 to slide in the corresponding guide groove 226, and the connecting shaft 2516 of the link member 251 along the corresponding shaft hole 2553 Rotating, the guide shaft 2517 of the link member 251 slides in the corresponding chute 2617 to the end away from the flexible member 30 and rotates against the inner wall of the chute 2617, so that the corresponding first support member 261 is relative to the link member 251 relative to the The support base 267 rotates; the rotation of the other frame body 22 and the rotation of the first support member 261 together drive the corresponding second support member 261 to rotate relative to the first support member 261 and one of the frame bodies 22 to The flattening of the folding device 23 is achieved. During the flattening process of the folding device 23 , the bendable region 31 of the flexible member 30 is flattened with the folding device 23 .

In other flattening methods for the mobile terminal 100, a flattening force can be applied to the two frame bodies 22 at the same time, so that the two frame bodies 20 are separated from each other, so as to drive the corresponding link members 251 to rotate and move away from each other. The rotation of 22 and the link member 251 drives the rotation of the first support member 261 and the second support member 265 to realize the flattening of the folding device 23 , and the flexible member 30 is flattened with the folding device 23 to realize the flattening of the mobile terminal 100 .

The above is the implementation of the embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the embodiments of the present application, several improvements and modifications can also be made. These improvements and modifications are also It is regarded as the protection scope of this application.

Claims

A folding casing is characterized in that it comprises two opposite frame bodies, and a folding device arranged between the two frame bodies, the folding device comprises a supporting mechanism for supporting a flexible member and a supporting mechanism connected to the two frame bodies. The link mechanism between the support mechanism and each frame body, the support mechanism includes a support assembly rotatably connected to each frame body, the link mechanism includes a link member, and one end of the link member is connected to the connecting rod. The frame bodies are slidably connected, the other end of the link member rotates and is slidably connected to the support assembly, and each frame body rotates relative to the other frame body to drive the corresponding link member to rotate. The rotation of the link member drives the corresponding support assembly to rotate, thereby realizing the folding or flattening of the folding device.
The folding case according to claim 1, wherein when the folding case is flattened, the front faces of the two supporting components of the supporting mechanism are coplanar with the front faces of the two frame bodies; the When the foldable casing is folded, an accommodating space for accommodating the bent portion of the flexible member is enclosed between the front faces of the two supporting assemblies of the supporting mechanism.
The folding case according to claim 2, wherein each of the supporting components comprises a first supporting member, a second supporting member rotatably connected to the first supporting member, and a supporting base, the The first support member is rotatably connected to the support base, and the second support member is rotatably connected to the corresponding frame body. When the folding shell is flattened, the front surface of the first support member, the second support member The front of the frame body is on the same plane to support the flexible member; when the folding shell is folded, the front of the first support and the front of the second support are enclosed In the accommodating space, the inner cavity of the accommodating space gradually increases from the second support member to the direction of the first support member.
The folding case according to claim 3, wherein when the folding case is folded, the interval between the front faces of the first support members of the two support assemblies of the support mechanism is greater than that of the second support members the space between the front faces.
The foldable case according to claim 3, wherein the first support member includes a first support plate, the second support member includes a second support plate, and the second support plate is connected to the frame body. The first circular arc groove and the first circular arc rail are rotatably connected between them, and the first supporting plate and the second supporting plate are connected by the cooperative rotation of the second circular arc groove and the second circular arc rail. , the first support plate and the support base are connected in rotation with the third circular arc groove and the third circular arc rail.
The foldable case according to claim 5, wherein the axis line of the first circular arc groove, the axis line of the second circular arc groove and the axis line of the third circular arc groove They are spaced parallel to each other and parallel to the folding axis of the folding device.
The folding case according to claim 6, wherein the first circular arc rail and the first circular arc groove are connected by a first rotating shaft, and the axis line of the first rotating shaft is connected to the The axis lines of the first circular arc grooves coincide; the second circular arc rails and the second circular arc grooves are connected by a second rotating shaft, and the axis lines of the second rotating shafts are connected with the second circular arc grooves. The axis lines of the circular arc grooves coincide; the third circular arc rail and the third circular arc grooves are connected by a third rotating shaft, and the axis lines of the third rotating shaft and the third circular arc grooves are connected. Axes coincide.
The folding case according to claim 7, wherein when the folding case is flattened, the axis line of the first rotation shaft, the axis line of the second rotation shaft and the third rotation axis The axis of the shaft lies on the same plane parallel to the flexible member.
The folding case according to claim 7, wherein when the folding case is folded, the interval between the axis lines of the two first rotating shafts of the supporting mechanism is smaller than that of the two first rotating shafts. The distance between the axis lines of the two rotating shafts is smaller than the distance between the axis lines of the two third rotating shafts.
The foldable casing according to claim 3, wherein the link member comprises a first end rod and a second end rod located at opposite ends, the first end rod is slidably connected to the corresponding frame body, so The second end rod is rotatably and slidably connected to the corresponding support assembly.
The folding case according to claim 10, wherein the sliding direction of the link member relative to the frame body is perpendicular to the folding axis of the folding device.
The folding case according to claim 11, wherein the frame body is provided with a guide groove perpendicular to the folding axis, and the first end rod of the link member is slidably inserted in the guide groove .
The folding case according to claim 10, wherein the link mechanism further comprises a link base, the second end rod of the link member is rotatably connected to the link base, the The axis of rotation connection between the second end rod and the link base is parallel to the folding axis of the folding device, and the rotation of the link member relative to the link base drives the first support The piece rotates relative to the support base.
The folding casing according to claim 13, wherein the link member further comprises a guide shaft disposed between the first end rod and the second end rod, and the shaft of the guide shaft The center line is parallel to the folding axis, the first support member is provided with an inclined chute, the guide shaft is slidably and rotatably arranged in the chute, and the rotation of the frame drives the link member Rotating relative to the link base makes the guide shaft push against the inner wall of the chute to drive the first support member to rotate relative to the support base.
The folding case according to claim 14, wherein the connecting rod further comprises a connecting rod connected between the first end rod and the second end rod, and the connecting rod is connected from the The first end rod extends obliquely toward the second end rod, the second end rod extends from the end of the connecting rod away from the first end rod to the side away from the first end rod, and the guide rod A shaft is provided at the connecting rod adjacent to the second end rod.
The foldable case according to claim 14, wherein the back of the first support member is provided with a protruding strip, the sliding groove is provided on the protruding strip, and the sliding groove is adjacent to the support base body. One side of the connecting rod extends obliquely toward the first end rod of the connecting rod.
The foldable casing according to claim 14, wherein the axis line of the rotating shaft between the first support member and the support base is greater than the distance between the link member and the link base. The axis line of the rotating shaft between the two is closer to the front surface of the first support.
The folding case according to claim 13, wherein the folding device further comprises a connecting frame, the connecting frame is located between the two support assemblies, and the support base and the link base are respectively fixed connected to the connection frame.
The foldable case according to claim 18, wherein a side of each frame body close to the other frame body is provided with a first accommodating groove and a second accommodating groove communicating with the first accommodating groove, the folding When the shell is flattened, the connecting frame is accommodated in the installation space enclosed by the first accommodating grooves of the two frame bodies; when the folded shell is folded, the first support and the second support are accommodated in in the installation space enclosed by the first accommodating groove and the second accommodating groove of the two frame bodies.
A mobile terminal, characterized in that it comprises the foldable casing and a flexible member according to any one of claims 1-19, the flexible member covers the front of the foldable casing, and the flexible member follows the foldable casing. The folding or flattening of the folding shell is synchronized with the folding or flattening.