Protective shell and foldable terminal assembly

Abstract

The embodiment of the present application provides a protection shell and a foldable terminal assembly. The protection shell is used for protecting the foldable terminal, the foldable terminal comprises a shell and a flexible screen, the flexible screen is installed on the shell, the shell comprises a rotating mechanism, the flexible screen comprises a foldable part arranged opposite to the rotating mechanism, the protection shell comprises a fixed shell, a back shell and a movable shell, the protection shell is used for fixing the shell, the back shell is connected between the fixed shell and the movable shell, and the movable shell comprises a magnetic part; when the foldable terminal is in a folded state, the magnetic part magnetically adsorbs the rotating mechanism, and the movable shell covers the foldable part; when the foldable terminal is in an unfolded state, the magnetic part magnetically adsorbs the rotating mechanism, and the movable shell abuts against the shell. The protection shell of the present application can protect the flexible screen at the rotating shaft when the foldable terminal is folded, and the movable shell can be adsorbed on the foldable terminal when the foldable terminal is unfolded, so that the user experience is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of foldable terminal accessories, in particular to a protective case and a foldable terminal assembly. BACKGROUND

[0002] Foldable terminals are increasingly popular due to their small size and portability. Among them, the flexible screen of the outer folding terminal is exposed outside during folding and is easily damaged, especially at the hinge where the flexible screen is weak and needs to be protected. When using existing protective cases to protect the flexible screen at the hinge of the outer folding foldable terminal, there is a problem of poor user experience. SUMMARY

[0003] The present application provides a protective case and a foldable terminal assembly, which can protect the flexible screen at the hinge when the foldable terminal is folded, and can be adsorbed on the foldable terminal when the foldable terminal is unfolded, improving the user experience.

[0004] In a first aspect, the present application provides a protective case for protecting a foldable terminal, the foldable terminal comprising a housing and a flexible screen, the flexible screen being mounted to the housing, the housing comprising a rotating mechanism, the flexible screen comprising a foldable portion disposed opposite the rotating mechanism, the protective case comprising a fixed shell, a back shell and a movable shell, the protective case being used to fix the housing, the back shell being connected between the fixed shell and the movable shell, and the movable shell comprising a magnetic member.

[0005] When the foldable terminal is in a folded state, the magnetic member magnetically adsorbs the rotating mechanism, and the movable shell covers the foldable portion.

[0006] When the foldable terminal is in an unfolded state, the magnetic member magnetically adsorbs the rotating mechanism, and the movable shell abuts against the housing.

[0007] In the protective case shown in the present application, the fixed shell is used to fix and protect the housing of the foldable terminal. When the foldable terminal is in a folded state, the back shell protects the flexible screen exposed outside the housing after folding, avoiding wear and tear of the flexible screen. The magnetic member provided on the movable shell magnetically adsorbs the rotating mechanism of the foldable terminal, thereby covering the foldable portion disposed opposite the rotating mechanism and protecting the foldable portion of the flexible screen. When the foldable terminal is in an unfolded state, the movable shell can magnetically adsorb the rotating mechanism through the magnetic member, thereby being adsorbed on the housing of the foldable terminal and not falling off, improving the user experience.

[0008] In an embodiment, the rotating mechanism comprises a structural member made of stainless steel. The magnetic member is capable of being magnetically attracted to the rotating mechanism made of stainless steel, so that when the foldable terminal is in the folded state, the movable shell covers the foldable portion of the flexible screen in the foldable terminal, and when the foldable terminal is in the unfolded state, the movable shell abuts against the shell of the foldable terminal without falling off.

[0009] In an embodiment, the movable shell further comprises an anti-skid member mounted on the surface of the magnetic member. When the foldable terminal is in the folded state, the anti-skid member is located between the magnetic member and the foldable portion. When the foldable terminal is in the folded state, the anti-skid member not only increases the friction between the movable shell and the foldable portion of the flexible screen in the foldable terminal to improve the adsorption of the movable shell to the foldable portion and prevent the movable shell from slipping off the flexible screen, but also isolates the magnetic member from directly contacting the foldable portion of the flexible screen to prevent the magnetic member from scratching the foldable portion.

[0010] In an embodiment, the movable shell further comprises a rotating shaft member connected to the back shell, and the magnetic member is mounted on the rotating shaft member, and the anti-skid member is mounted on the surface of the magnetic member away from the rotating shaft member. The rotating shaft member provides strength to the movable shell and improves the protection performance of the movable shell.

[0011] In an embodiment, the magnetic member comprises a plurality of magnetic units extending in a first direction, and the plurality of magnetic units are spaced apart from each other.

[0012] The rotating shaft member is provided with a plurality of fitting grooves extending in the first direction, and each magnetic unit is mounted in one fitting groove.

[0013] The rotating shaft member mounts and fixes the magnetic units through the fitting grooves, thereby providing physical protection to the magnetic units and preventing the magnetic units from being broken.

[0014] In an embodiment, the rotating shaft member has an arc surface facing the back shell, and the curvature of the arc surface is consistent with the curvature of the foldable portion when the foldable terminal is in the folded state. When the foldable terminal is in the folded state, the arc surface of the rotating shaft member cooperates with the curvature of the foldable portion of the flexible screen in the foldable terminal, so that the movable shell can be tightly wrapped around the foldable portion of the flexible screen to protect the foldable portion.

[0015] In an embodiment, the surface of the magnetic member away from the rotating shaft member is an arc surface, and the curvature of the arc surface is consistent with the curvature of the foldable portion when the foldable terminal is in the folded state. By configuring the surface of the magnetic member away from the rotating shaft member as an arc surface, the movable shell can be tightly wrapped around the foldable portion of the foldable terminal when the foldable terminal is in the folded state.

[0016] In an embodiment, each magnetic unit comprises a plurality of magnetic blocks arranged in sequence along a first direction, and each embedded slot comprises a plurality of sub-embedded slots arranged in sequence along the first direction, and each magnetic block is installed in a sub-embedded slot. Compared with the mode of installing the whole magnetic block in one embedded slot, the mode of installing a plurality of magnetic blocks in one embedded slot can avoid the problem of breakage due to the fragility of the whole magnetic block, and facilitate storage and installation.

[0017] In an embodiment, the material of the magnetic block is a magnet.

[0018] In an embodiment, the movable shell further comprises a protection member comprising a plurality of protection units extending along the first direction, each protection unit is installed in an embedded slot and covers a magnetic unit. The protection member covers the magnetic unit and provides physical protection for the magnetic unit, thereby improving the protection performance of the magnetic unit and avoiding breakage of the magnetic unit.

[0019] In an embodiment, the material of the protection member is a steel plate.

[0020] In an embodiment, each protection unit comprises a first protection plate located on the side of the magnetic unit close to the rotating shaft member and a second protection plate located on the side of the magnetic unit away from the rotating shaft member. The first protection plate and the second protection plate are used in cooperation to protect the opposite sides of the magnetic unit, and can avoid breakage of the magnetic unit when an external force is applied to the rotating shaft member.

[0021] In an embodiment, the rotating shaft member comprises a plurality of rotating shaft units extending along the first direction, and the plurality of rotating shaft units are connected in sequence, and each rotating shaft unit is provided with one or more embedded slots.

[0022] In an embodiment, the anti-skid member comprises a plurality of anti-skid units extending along the first direction, and each anti-skid unit is installed on the surface of a magnetic unit.

[0023] When the foldable terminal is in a folded state, each rotating shaft unit can rotate relative to each other to make the movable shell relatively flat, and each rotating shaft unit can be magnetically attracted and abutted on the shell of the foldable terminal through the magnetic member, thereby enhancing the magnetic attraction force of the movable shell on the shell and preventing the movable shell from falling off.

[0024] In an embodiment, the back shell comprises an inner shell layer, a support sheet and an outer shell layer, and the support sheet is located between the inner shell layer and the outer shell layer. The support sheet can increase the strength of the back shell to provide physical protection for the flexible screen at the joint with the back shell when the foldable terminal is in a folded state, thereby avoiding damage to the flexible screen caused by impact and abrasion. The inner shell layer can isolate the support sheet from the flexible screen to prevent the support sheet from scratching the flexible screen when the foldable terminal is in a folded state, and the outer shell layer is located at the outermost side of the back shell to prevent the foldable terminal from being abraded.

[0025] In one embodiment, the support sheet is a steel sheet.

[0026] In one embodiment, the inner shell layer comprises a first inner shell portion, a second inner shell portion, and a third inner shell portion connected between the first inner shell portion and the second inner shell portion, the outer shell layer comprises a first outer shell portion, a second outer shell portion, and a third outer shell portion connected between the first outer shell portion and the second outer shell portion, the support sheet is located between the third inner shell portion and the third outer shell portion, the first inner shell portion and the first outer shell portion form a first end, the first end is connected with the fixed shell, the second inner shell portion and the second outer shell portion form a second end, the second end is connected with the movable shell.

[0027] In one embodiment, the surface of the rotating shaft member away from the magnetic member is provided with a fitting groove, and the second outer shell portion is installed in the fitting groove. The fitting groove provides an installation space for the second outer shell portion, which helps to improve the appearance regularity of the protective shell.

[0028] In one embodiment, the inner side of the fixed shell is provided with a suction accessory, which is used to suctionally fix the fixed shell and the first shell body. The suction accessory can increase the friction between the fixed shell and the shell body of the foldable terminal, thereby strengthening the fixing effect of the fixed shell on the shell body.

[0029] In a second aspect, the present application provides a foldable terminal assembly, comprising a foldable terminal and any one of the protective shells described above.

[0030] The foldable terminal comprises a shell body and a flexible screen, the flexible screen is installed on the shell body, the shell body comprises a rotating mechanism, and the flexible screen comprises a foldable portion arranged opposite to the rotating mechanism.

[0031] The protective shell comprises a fixed shell, a back shell, and a movable shell, the protective shell is used to fix the shell body, the back shell is connected between the fixed shell and the movable shell, and the movable shell comprises a magnetic member.

[0032] When the foldable terminal is in a folded state, the magnetic member magnetically attracts the rotating mechanism, and the movable shell covers the foldable portion.

[0033] When the foldable terminal is in an unfolded state, the magnetic member magnetically attracts the rotating mechanism, and the movable shell abuts against the shell body.

[0034] The folding terminal is fixed and protected by the fixed shell in the protective shell. When the folding terminal is in the folded state, the back shell protects the flexible screen exposed outside the shell after folding, avoiding wear and tear of the flexible screen. The movable shell in the protective shell is magnetically adsorbed with the rotating mechanism of the folding terminal through the magnetic member arranged thereon, thereby covering the foldable part opposite to the rotating mechanism and protecting the foldable part in the flexible screen. When the folding terminal is in the unfolded state, the movable shell in the protective shell can be magnetically adsorbed with the rotating mechanism through the magnetic member, thereby being adsorbed on the shell of the folding terminal and not falling off, improving the user experience.

[0035] In an embodiment, the shell further comprises a first shell and a second shell, the rotating mechanism is connected between the first shell and the second shell, the flexible screen further comprises a first display part and a second display part, the foldable part is fixedly connected between the first display part and the second display part, the first display part is mounted on the first shell, and the second display part is mounted on the second shell. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the background art, the drawings needed to be used in the embodiments of the present application or the background art will be described below.

[0037] Figure 1 is a structural schematic diagram of a first folding terminal assembly in a first state according to the present application;

[0038] Figure 2 is Figure 1 is a structural schematic diagram of a folding terminal assembly in a second state according to the present application;

[0039] Figure 3 is Figure 1 is a structural schematic diagram of a protective shell in a folding terminal assembly according to the present application;

[0040] Figure 4 is Figure 3 is a structural schematic diagram of a protective shell in another view according to the present application;

[0041] Figure 5 is Figure 3 is an exploded structural schematic diagram of a protective shell according to the present application;

[0042] Figure 6 is Figure 4 is a structural schematic diagram of a fixed shell in a protective shell according to the present application;

[0043] Figure 7 is Figure 5 is an exploded structural schematic diagram of a fixed shell in a protective shell according to the present application;

[0044] Figure 8 is Figure 5 is a structural schematic view of the back shell in the protective shell from another angle;

[0045] Figure 9 is Figure 5 is an exploded structural schematic view of the back shell in the protective shell;

[0046] Figure 10 is Figure 5 is an exploded structural schematic view of the movable shell in the protective shell from another angle;

[0047] Figure 11 is Figure 10 is a structural schematic view of the rotating shaft in the movable shell;

[0048] Figure 12 is Figure 10 is a structural schematic view of the rotating shaft in the movable shell from another angle;

[0049] Figure 13 is a structural schematic view of a first state of a second foldable terminal assembly according to an embodiment of the present application;

[0050] Figure 14 is Figure 13 is a structural schematic view of a second state of the foldable terminal assembly;

[0051] Figure 15 is Figure 13 is an exploded structural schematic view of the movable shell of the protective shell in the foldable terminal assembly;

[0052] Figure 16 is an exploded structural schematic view of the movable shell of the protective shell in a third foldable terminal assembly according to an embodiment of the present application;

[0053] Figure 17 is Figure 16 is a structural schematic view of the protective member in the movable shell in an exploded state;

[0054] Figure 18 is an exploded structural schematic view of the movable shell of the protective shell in a fourth foldable terminal assembly according to an embodiment of the present application. DETAILED DESCRIPTION

[0055] The embodiments of the present application will be described below with reference to the accompanying drawings.

[0056] Please refer to Figure 1 and Figure 2 , Figure 1 is a structural schematic view of a first state of a first foldable terminal assembly 1000 according to an embodiment of the present application, Figure 2 is Figure 1A structural schematic view of the foldable terminal assembly 1000 in the second state is shown.

[0057] wherein, for the convenience of description, it is defined that Figure 1 The width direction of the foldable terminal assembly 1000 is the X-axis direction, the length direction of the foldable terminal assembly 1000 is the Y-axis direction, and the thickness direction of the foldable terminal assembly 1000 is the Z-axis direction, and the X-axis direction, the Y-axis direction and the Z-axis direction are perpendicular to each other.

[0058] The foldable terminal assembly 1000 includes a protective shell 100 and a foldable terminal 200, the foldable terminal 200 is accommodated inside the protective shell 100, and the protective shell 100 can protect the foldable terminal 200. The foldable terminal 200 can be any device with communication and / or storage functions, such as a smart device that can be a mobile phone, a tablet computer, a notebook computer, a watch, an e-reader, a vehicle-mounted device, a network television, a wearable device, etc. In this embodiment, the foldable terminal 200 is taken as an example of a foldable mobile phone for illustration. That is, the foldable terminal 200 is a mobile phone that can switch between a folded state and an unfolded state. For example, the foldable terminal 200 can be folded or unfolded along the X-axis direction. Wherein, Figure 1 The foldable terminal assembly 1000 shown is in a folded state, and the foldable terminal 200 is also in a folded state, Figure 2 The foldable terminal assembly 1000 shown is in an unfolded state, and the foldable terminal 200 is also in an unfolded state.

[0059] The foldable terminal 200 includes a housing 210 and a flexible screen 220, the flexible screen 220 is mounted to the housing 210, and the flexible screen 220 can display text, images or video information, etc. The housing 210 includes a first housing 211, a second housing 212 and a rotating mechanism 213, the rotating mechanism 213 is connected between the first housing 211 and the second housing 212. The first housing 211 and the second housing 212 are relatively rotated through the rotating mechanism 213 to realize the mutual conversion of the foldable terminal 200 between the folded state and the unfolded state, and further realize the mutual conversion of the foldable terminal assembly 1000 between the folded state and the unfolded state. The first housing 211 is provided with an avoiding space 214, and when the foldable terminal 200 is in the folded state, the second housing 212 can be accommodated in the avoiding space 214 of the first housing 211, and the space in the thickness direction is reused with the first housing 211, thereby reducing the thickness of the foldable terminal 200. Wherein, the rotating mechanism 213 includes a structural member, and the structural member is made of stainless steel material. For example, the structural member can be a rotating shaft, an arm or a support plate of the rotating mechanism 213.

[0060] The flexible screen 220 comprises a first display part 221, a second display part 222 and a foldable part 223 fixedly connected between the first display part 221 and the second display part 222. Specifically, the first display part 221 is mounted on the first shell 211, the second display part 222 is mounted on the second shell 212, and the foldable part 223 is arranged opposite to the rotating mechanism 213. When the foldable terminal 200 is in the folded state, the second display part 222 can be accommodated in the avoiding space 214 of the first shell 211 together with the second shell 212, and the foldable part 223 is bent. When the foldable terminal 200 is in the unfolded state, the second display part 222 moves out of the avoiding space 214, the second display part 222 is unfolded opposite to the first display part 221 and is flush, and the foldable part 223 is unfolded, so that the display area of the flexible screen 220 is large, thereby realizing large-screen display of the foldable terminal 200.

[0061] It should be understood that the foldable terminal 200 shown in the embodiments of the present application is an outward folding mobile phone, that is, a mobile phone folded in an outward folding manner. When the foldable terminal 200 is in the folded state, the flexible screen 220 is located on the outside of the shell 210, that is, the flexible screen 220 is exposed on the outside, at this time, the foldable part 223 arranged opposite to the rotating mechanism 213 is weak in strength and is easy to be damaged.

[0062] As shown in Figure 1 , when the foldable terminal 200 is in the folded state, the protective case 100 provided by the embodiments of the present application can coat and protect the foldable part 223 arranged opposite to the rotating mechanism 213. Next, the structure of the protective case 100 will be described in detail.

[0063] Please refer to Figure 1 , Figure 3 , Figure 4 and Figure 5 , Figure 3 , which are structural schematic diagrams of the protective case 100 in the foldable terminal assembly 1000 shown in Figure 1 , Figure 4 , which is a structural schematic diagram of the protective case 100 from another perspective shown in Figure 3 , Figure 5 , which is an exploded structural schematic diagram of the protective case 100 shown in Figure 3 .

[0064] The protective case 100 comprises a fixed shell 10, a back shell 20 and a movable shell 30, and the back shell 20 is connected between the fixed shell 10 and the movable shell 30. The fixed shell 10 is provided with an accommodating space for mounting part of the first shell 211. Specifically, the part of the first shell 211 away from the rotating mechanism 213 is mounted in the accommodating space, so as to realize the protection of the fixed shell 10 on the edge part of the first shell 211 away from the rotating mechanism 213.

[0065] The back shell 20 has a first end 21 opposite to a second end 22, the first end 21 is connected with the fixed shell 10, and the back shell 20 can rotate relative to the fixed shell 10. The second end 22 is connected with the movable shell 30, and the movable shell 30 can rotate relative to the back shell 20. When the foldable terminal assembly 1000 is in the folded state, that is, when the foldable terminal 200 is in the folded state, the back shell 20 is attached to the second display part 222 of the flexible screen 220 in the foldable terminal 200 to protect the second display part 222 from being scratched, worn, and the like. The movable shell 30 covers the foldable part 223 of the flexible screen 220 in the foldable terminal 200 to protect the foldable part 223. When the foldable terminal assembly 1000 is in the unfolded state, that is, when the foldable terminal 200 is in the unfolded state, the movable shell 30 can be adsorbed and abutted on the shell 210, and will not fall off, thereby improving the user experience.

[0066] Please refer to Figure 6 and Figure 7 , Figure 6 is Figure 4 the structural diagram of the fixed shell 10 in the protective shell 100, Figure 7 is Figure 5 the exploded structural diagram of the fixed shell 10 in the protective shell 100.

[0067] In this embodiment, the fixed shell 10 includes a frame 11, a first side frame 12, a second side frame 13, a top plate 14, and a bottom plate 15. The frame 11, the first side frame 12, the second side frame 13, the top plate 14, and the bottom plate 15 together define the accommodation space described above. It should be noted that the terms such as "up", "down", "front", "back", "left", "right" and the like in this application represent that the X-axis positive direction represents "left", the X-axis negative direction represents "right", the Y-axis positive direction represents "back", the Y-axis negative direction represents "front", the Z-axis positive direction represents "up", and the Z-axis negative direction represents "down".

[0068] The frame 11 has a left side surface facing the accommodation space and a right side surface opposite to the left side surface, the left side surface is an arc-shaped surface curved and recessed from the left side to the right side, and the left side surface is used to cooperate with the edge curvature of the first shell 211 to realize the close fit of the frame 11 and the edge of the foldable terminal 200.

[0069] The inner side of the fixed shell 10 is provided with an adsorption member 16, which adsorbs and fixes the fixed shell 10 and the first shell body 211 of the foldable terminal 200. Specifically, the adsorption member 16 is provided on the left side surface of the frame 11, and can be micro-suction bubble cotton, which can increase the friction between the fixed shell 10 and the first shell body 211, thereby enhancing the fixing effect of the fixed shell 10 on the foldable terminal 200. In other embodiments, the adsorption member 16 can also be other materials that can increase the friction between the fixed shell 10 and the first shell body 211. In other embodiments, the adsorption member 16 can also be provided on other surfaces, such as the upper surface of the bottom plate 15.

[0070] In addition, the frame 11 is provided with a key hole 17, which is recessed from the left side surface to the rear side surface of the frame 11 and penetrates the right side surface of the frame 11. When the first shell body 211 of the foldable terminal 200 is installed in the fixed shell 10, the keys of the foldable terminal 200 can pass through the key hole 17 and be exposed relative to the frame 11, to facilitate the user to operate the keys.

[0071] In the Y-axis direction, the first side frame 12 and the second side frame 13 are spaced apart and oppositely arranged. Specifically, the first side frame 12 and the second side frame 13 are fixedly connected to the front end and the rear end of the frame 11, respectively. The first side frame 12 and the second side frame 13 can be clamped and fixed to the foldable terminal 200 in the Y-axis direction, to prevent the foldable terminal 200 from moving in the Y-axis direction and to avoid the foldable terminal 200 from falling off the fixed shell 10 in the Y-axis direction.

[0072] In addition, the first side frame 12 and the second side frame 13 are both provided with a U-shaped slot, and the opening of the U-shaped slot faces the positive direction of the X-axis. By providing the U-shaped slots on the first side frame 12 and the second side frame 13, the material can be saved while ensuring the clamping and fixing effect, and at the same time, the functional components such as the power key or the charging interface of the foldable terminal 200 are exposed, facilitating the user to use the foldable terminal 200.

[0073] In the Z-axis direction, the top plate 14 and the bottom plate 15 are spaced apart and oppositely arranged. Specifically, the top plate 14 and the bottom plate 15 are fixedly connected to the upper end and the lower end of the frame 11, respectively. The top plate 14 and the bottom plate 15 can be clamped and fixed to the foldable terminal 200 in the Z-axis direction, to prevent the foldable terminal 200 from moving in the Z-axis direction and to avoid the foldable terminal 200 from falling off the fixed shell 10 in the Z-axis direction. The top plate 14 is provided with a slot, which is provided at a position away from the first side frame 12 and the second side frame 13 of the top plate 14, and can expose the first display part 221 of the flexible screen 220 of the foldable terminal 200, to minimize the shielding of the fixed shell 10 on the flexible screen 220 of the foldable terminal 200.

[0074] Please refer to Figure 8 and Figure 9, Figure 8 is Figure 5 is a structural schematic view of the back shell 20 in the protective shell 100 from another angle, Figure 9 is Figure 5 is an exploded structural schematic view of the back shell 20 in the protective shell 100.

[0075] The back shell 20 comprises an inner shell layer 23, a support sheet 24, and an outer shell layer 25, and the support sheet 24 is located between the inner shell layer 23 and the outer shell layer 25. The inner shell layer 23 comprises a first inner shell portion 231, a second inner shell portion 232, and a third inner shell portion 233 connected between the first inner shell portion 231 and the second inner shell portion 232. The outer shell layer 25 comprises a first outer shell portion 251, a second outer shell portion 252, and a third outer shell portion 253 connected between the first outer shell portion 251 and the second outer shell portion 252. The support sheet 24 is located between the third inner shell portion 233 and the third outer shell portion 253. The first inner shell portion 231 and the first outer shell portion 251 form a first end 21, and the back shell 20 is connected to the fixed shell 10 through the first end 21. In this embodiment, the first inner shell portion 231 and the first outer shell portion 251 in the first end 21 are connected to the lower surface of the bottom plate 15 in the fixed shell 10 together, so as to realize the connection between the back shell 20 and the fixed shell 10. In other embodiments, the first inner shell portion 231 and the first outer shell portion 251 in the first end 21 can also be connected to the upper surface of the bottom plate 15 together; or the first inner shell portion 231 in the first end 21 is connected to the upper surface of the bottom plate 15, and the first outer shell portion 251 is connected to the lower surface of the bottom plate 15. The second inner shell portion 232 and the second outer shell portion 252 form a second end 22, and the back shell 20 is connected to the movable shell 30 through the second end 22.

[0076] The support sheet 24 can increase the strength of the back shell 20, so as to provide physical protection for the second display portion 222 abutting the back shell 20 when the foldable terminal assembly 1000 is in the folded state, and avoid damage caused by impact and abrasion. In this embodiment, the support sheet 24 is a steel sheet, and in other embodiments, the support sheet 24 can also be other materials capable of increasing the strength of the back shell 20.

[0077] The materials of the inner shell layer 23 and the outer shell layer 25 can be flexible materials such as leather, silica gel, TPU (thermoplastic polyurethane elastomer rubber), or cloth. The inner shell layer 23 can isolate the support sheet 24 from the second display portion 222, so as to avoid the support sheet 24 scratching the second display portion 222 when the foldable terminal assembly 1000 is in the folded state. The outer shell layer 25 is located at the outermost side of the back shell 20, and plays a role of preventing the foldable terminal 200 from being abraded.

[0078] In this embodiment, the support sheet 24 can be attached to the inner shell layer 23 and the outer shell layer 25 by means of adhesion. In other embodiments, the back shell 20 can also omit the support sheet 24; or simultaneously omit the support sheet 24 and the inner shell layer 23, at this time the back shell 20 can still play a role in protecting the foldable terminal 200 from wear and tear; or, the back shell 20 can also omit the outer shell layer 23, at this time the support sheet 24 can play a role in both improving the strength of the back shell 20 and preventing the foldable terminal 200 from being worn and torn on the outside of the back shell 20.

[0079] Please refer to Figure 10 , Figure 10 is Figure 5 the exploded structural schematic diagram of the active shell 30 in the protective shell 100 from another perspective.

[0080] The active shell 30 includes a rotating shaft 31, a magnetic piece 32 and an anti-skid piece 33, the magnetic piece 32 is installed on the rotating shaft 31, and the anti-skid piece 33 is installed on the magnetic piece 32. In this embodiment, the rotating shaft 31 can be connected with the second end 22 in the back shell 20 by means of adhesion, and the rotating shaft 31 provides strength for the active shell 30. The material of the rotating shaft 31 can be plastic.

[0081] The magnetic piece 32 can be magnetically attracted to the structure made of stainless steel in the rotating mechanism 213 to achieve magnetic attraction between the magnetic piece 32 and the rotating mechanism 213. Specifically, when the foldable terminal 200 is in a folded state, the magnetic piece 32 is magnetically attracted to the structure with stainless steel in the rotating mechanism 213, and the active shell 30 can cover the foldable part 223 of the flexible screen 220 in the foldable terminal 200 to protect the foldable part 223. When the foldable terminal 200 is in an unfolded state, the magnetic piece 32 is magnetically attracted to the rotating mechanism 213 to achieve magnetic attraction between the active shell 30 and the shell 210, and the active shell 30 can abut against the shell 210.

[0082] The anti-skid piece 33 is installed on the surface of the magnetic piece 32 away from the rotating shaft 31. When the foldable terminal 200 is in a folded state, the anti-skid piece 33 is located between the magnetic piece 32 and the foldable part 223 of the flexible screen 220 in the foldable terminal 200. The anti-skid piece 33 not only increases the friction between the active shell 30 and the flexible screen 220 to improve the adsorption force of the active shell 30 on the flexible screen 220, avoiding the active shell 30 from slipping off the flexible screen 220, but also isolates the magnetic piece 32 from directly contacting the flexible screen 220, avoiding the magnetic piece 32 from scratching the flexible screen 220. The material of the anti-skid piece 33 is soft glue. In other embodiments, the anti-skid piece 33 can also be made of other materials.

[0083] Please continue to refer to Figure 10The rotating shaft piece 31 comprises a plurality of rotating shaft units extending along a first direction, and the plurality of rotating shaft units are sequentially connected. The first direction refers to the Y-axis direction in the figure. In this embodiment, the rotating shaft piece 31 comprises three rotating shaft units, which are a first rotating shaft unit 311, a second rotating shaft unit 312 and a third rotating shaft unit 313. The first rotating shaft unit 311, the second rotating shaft unit 312 and the third rotating shaft unit 313 are spliced to form the rotating shaft piece 31 with an arc-shaped surface. Specifically, the first rotating shaft unit 311, the second rotating shaft unit 312 and the third rotating shaft unit 313 are connected with the second housing part 252 in the housing layer 25 to realize the sequential connection of the three rotating shaft units, and further realize the connection between the rotating shaft piece 31 and the back shell 20.

[0084] The rotating shaft piece 31 is provided with a plurality of fitting grooves 314 extending along the Y-axis direction. The opening of the fitting groove 314 is located on the right side surface of the rotating shaft piece 31, and the fitting groove 314 is used for fitting and fixing the magnetic piece 32. In this embodiment, the rotating shaft piece 31 is provided with three fitting grooves 314, and the three fitting grooves 314 are respectively arranged on the right side surfaces of the first rotating shaft unit 311, the second rotating shaft unit 312 and the third rotating shaft unit 313. Each fitting groove 314 comprises a plurality of sub-fitting grooves 3141, and the sub-fitting grooves 3141 are sequentially arranged along the Y-axis direction.

[0085] In other embodiments, the rotating shaft piece 31 can comprise one, two, six, ten or the like rotating shaft units. The number of rotating shaft units is not limited in the present application, and it can be understood that the more the number of rotating shaft units of the movable shell 30, the larger the abutting area of the rotating shaft units to the shell 210 of the foldable terminal 200 when the foldable terminal 200 is unfolded, and the foldable terminal 200 is less likely to fall.

[0086] The magnetic piece 32 comprises a plurality of magnetic units extending along the Y-axis direction, and the plurality of magnetic units are spaced from each other. Each magnetic unit is mounted in one fitting groove 314 of the rotating shaft piece 31. In this embodiment, the magnetic piece 32 comprises three magnetic units, which are a first magnetic unit 321, a second magnetic unit 322 and a third magnetic unit 323. The first magnetic unit 321 is mounted in the fitting groove 314 of the first rotating shaft unit 311, the second magnetic unit 322 is mounted in the fitting groove of the second rotating shaft unit 312, and the third magnetic unit 323 is mounted in the fitting groove 314 of the third rotating shaft unit 313. The first magnetic unit 321, the second magnetic unit 322 and the third magnetic unit 323 each comprise a plurality of magnetic blocks, and the plurality of magnetic blocks are sequentially arranged along the Y-axis direction. Each magnetic block is mounted in one sub-fitting groove 3141. For example, each magnetic block is a magnet.

[0087] Compared with fixing the whole magnetic block in one embedded slot 314, the embodiment can avoid the problem of breakage due to the fragility of the whole magnetic block, and is convenient for storage and fixing. It can be understood that in other embodiments, one whole magnetic block can also be fixed in one embedded slot 314, and the purpose of covering the foldable part 223 of the flexible screen 220 of the foldable terminal 200 by the movable shell 30 when the foldable terminal 200 is in the folded state can still be achieved.

[0088] The anti-skid piece 33 includes a plurality of anti-skid units extending along the Y-axis direction, and each anti-skid unit is installed on the surface of a magnetic unit. In the embodiment, the anti-skid piece 33 includes three anti-skid units, which are a first anti-skid unit 331, a second anti-skid unit 332, and a third anti-skid unit 333. The first anti-skid unit 331 is installed on the surface of the first rotating shaft unit 311, the second anti-skid unit 332 is installed on the surface of the second rotating shaft unit 312, and the third anti-skid unit 333 is installed on the surface of the third rotating shaft unit 313.

[0089] In the embodiment, the first rotating shaft unit 311, the second rotating shaft unit 312, and the third rotating shaft unit 313 are respectively provided with magnetic units, and the anti-skid units are installed on each magnetic unit. When the foldable terminal 200 is in the folded state, the first rotating shaft unit 311, the second rotating shaft unit 312, and the third rotating shaft unit 313 can relatively rotate, and the first rotating shaft unit 311, the second rotating shaft unit 312, and the third rotating shaft unit 313 can be sequentially attached to the foldable part 230 through the magnetic units, thereby improving the fitting degree of the movable shell 30 and the foldable part 230. When the foldable terminal 200 is in the unfolded state, the first rotating shaft unit 311, the second rotating shaft unit 312, and the third rotating shaft unit 313 can relatively rotate to relatively flatten the movable shell 30, and the first rotating shaft unit 311, the second rotating shaft unit 312, and the third rotating shaft unit 313 can be respectively magnetically attracted and abutted on the shell 210 of the foldable terminal 200, thereby enhancing the magnetic attraction force of the movable shell 30 to the shell 210 and preventing the movable shell 30 from falling off.

[0090] Referring to Figure 11 and Figure 12 , Figure 11 for Figure 10 the structural schematic view of the rotating shaft piece 31 in the movable shell 30 shown in FIG. 3, Figure 12 for Figure 10 the structural schematic view of the rotating shaft piece 31 in the movable shell 30 shown in FIG. 3 from another angle.

[0091] The rotating shaft 31 has a left side and a right side opposite to the left side, and the right side faces the back shell 20. The right side is an arc-shaped surface formed by bending and recessing from the right side to the left side. When the foldable terminal 200 is in the folded state, the curvature of the arc-shaped surface is consistent with the curvature of the foldable part 223 at the corresponding rotating mechanism 213 of the foldable terminal 200, so that the movable shell 30 can be tightly wrapped on the foldable part 223 at the corresponding rotating mechanism 213. In this application, the curvature consistent means that the curvature is equal or approximately equal.

[0092] The groove bottom of the sub-embedded groove 3141 of the rotating shaft 31 is provided with a plurality of protruding strips 315. The magnetic block can be fixed on the groove bottom of the sub-embedded groove 3141 by an adhesive. The protruding strips 315 can increase the bonding area between the magnetic block and the adhesive, so that the magnetic block and the sub-embedded groove 3141 are more firmly fixed by the adhesive.

[0093] In an embodiment, the thickness of the magnetic unit in the magnetic part 32 is greater than the groove depth of the embedded groove 314. The magnetic part 32 is exposed relative to the embedded groove 314. The surface of the magnetic part 32 away from the rotating shaft 31 is an arc-shaped surface. When the foldable terminal 200 is in the folded state, the curvature of the arc-shaped surface is consistent with the curvature of the foldable part 223. At this time, by setting the surface of the magnetic part away from the rotating shaft as an arc-shaped surface, the movable shell can be tightly wrapped on the foldable part of the foldable terminal when the foldable terminal is in the folded state.

[0094] Referring to Figure 12 The rotating shaft 31 is provided with a fitting groove 316. The fitting groove 316 is recessed from the left side to the right side of the rotating shaft 31 and penetrates the lower end of the rotating shaft 31. In this embodiment, the left side of the first rotating unit 311 is provided with a first fitting groove 3161, the left side of the second rotating unit 312 is provided with a second fitting groove 3162, and the left side of the third rotating unit 313 is provided with a third fitting groove 3163. The first fitting groove 3161, the second fitting groove 3162 and the third fitting groove 3163 are spliced to form the fitting groove 316. By installing the second shell part 252 of the back shell 20 in the fitting groove 316 of the rotating shaft 31, the back shell 20 and the movable part 30 are connected. In this embodiment, the second shell part 252 in the second end 22 is installed in the fitting groove 316, and the second inner shell part 232 is installed on the right side of the rotating shaft 31, so as to connect the rotating shaft 31 and the back shell 20, and also help to improve the appearance regularity of the protective shell 100.

[0095] In some other embodiments, the second housing portion 252 can be directly bonded to the left side of the rotating shaft member 31 without the fitting groove 316, or the second fitting groove 3162 can be provided on the left side of the second rotating shaft unit 312, the third fitting groove 3163 can be provided on the left side of the third rotating shaft unit 313, and the second housing portion 252 can be installed in the second fitting groove 3162 and the third fitting groove 3163; or the third fitting groove 3163 can be provided on the left side of the third rotating shaft unit 313, and the second housing portion 252 can be installed in the third fitting groove 3163.

[0096] The foldable terminal assembly 1000 provided by the embodiment includes a protective case 100 and a foldable terminal 200, and the protective case 100 includes a fixed case 10, a back case 20 and a movable case 30. The fixed case 10 can not only accommodate and protect the first housing 211 of the foldable terminal 200, but also keep the protective case 100 fixed to the foldable terminal 200 to avoid the protective case 100 from slipping off the foldable terminal 200.

[0097] When the foldable terminal 200 is in the folded state, the back case 20 can protect the second display part 222 in the flexible screen 220 exposed outside after folding to avoid the flexible screen 220 from being worn out. The movable case 30 is magnetically attracted to the rotating mechanism 213 with a stainless steel structure in the foldable terminal 200 through the magnetic member 32, thereby covering the foldable part 223 of the flexible screen 220 corresponding to the rotating mechanism 213 to protect the foldable part 223 of the foldable terminal 200. When the foldable terminal 200 is in the unfolded state, each rotating shaft unit of the rotating shaft member 31 in the movable case 30 can rotate relatively to make the movable case 30 flatten and magnetically adhere to and abut against the housing 210 of the foldable terminal 200, so that the movable case 30 is not easy to fall off, thereby improving the user experience.

[0098] Please refer to Figures 13 to 15 , Figure 13 is a structural schematic view of a second foldable terminal assembly 2000 provided by the embodiment in a first state, Figure 14 is Figure 13 a structural schematic view of the foldable terminal assembly 2000 in a second state, Figure 15 is Figure 13 an exploded structural schematic view of the movable case 30 of the protective case 100 in the foldable terminal assembly 2000.

[0099] The second foldable terminal assembly 2000 shown in the embodiment is different from the first foldable terminal assembly 1000 in that the three hinge units of the hinge 31 of the movable shell 30 in the protective shell 100 are integrally formed, and the hinge 31 has a simple structure and higher strength. In the embodiment, the right side surface of the hinge 31 is provided with three embedded slots 314, the magnetic member 32 includes a first magnetic unit 321, a second magnetic unit 322 and a third magnetic unit 323, and the first magnetic unit 321, the second magnetic unit 322 and the third magnetic unit 323 are respectively installed in the three embedded slots 314. The three anti-skid units of the anti-skid member 33 are integrally formed. The anti-skid member 33 is installed on the right side surface of the magnetic member 32. In other embodiments, the anti-skid member 33 can also have three anti-skid units, and the three anti-skid units are respectively installed on the right side surfaces of the first magnetic unit 321, the second magnetic unit 322 and the third magnetic unit 323.

[0100] When the foldable terminal assembly 2000 provided in the embodiment is in the folded state, the magnetic member 32 in the hinge 31 can be magnetically attracted to the rotating mechanism 213, and the movable shell 30 can cover the foldable part 223 of the flexible screen 220 in the foldable terminal 200 to better protect it. When the foldable terminal 200 is in the unfolded state, the movable shell 30 cannot be completely flattened, but the magnetic member 32 in the movable shell 30 can be magnetically attracted to the rotating mechanism 213, and the movable shell 30 can abut against the shell 210 of the foldable terminal 200 without falling off, which helps to improve the user's experience.

[0101] Please refer to Figure 16 and Figure 17 , Figure 16 is an exploded structural schematic view of the movable shell 30 of the protective shell in the third foldable terminal assembly provided in the embodiment of the application, Figure 17 is Figure 16 a structural schematic view of the protective member 34 in the movable shell 30 in the disassembled state.

[0102] The third foldable terminal assembly shown in the embodiment is different from the first foldable terminal assembly 1000 in that the movable shell 30 of the protective shell 100 further includes a protective member 34, and the protective member 34 is used to protect the magnetic member 32 to avoid the magnetic member 32 from being broken. The material of the protective member 34 is a steel plate. The protective member 34 includes a plurality of protective units extending along the Y-axis direction, each protective unit is installed in one embedded slot 314 of the hinge 31, and each protective unit covers one magnetic unit of the magnetic member 32. The protective member 34 can protect the magnetic member 32 to avoid the magnetic member 32 from being broken.

[0103] In this embodiment, the protection member 34 includes a first protection unit 341, a second protection unit 342, and a third protection unit 343. The first protection unit 341 covers the first magnetic unit 321 and is installed in one of the embedded slots 314. The first anti-skid unit 331 is installed on the right side of the first protection unit 341. The second protection unit 342 covers the second magnetic unit 322 and is installed in one of the embedded slots 314. The second anti-skid unit 332 is installed on the right side of the second protection unit 342. The third protection unit 343 covers the third magnetic unit 323 and is installed in one of the embedded slots 314. The third anti-skid unit 333 is installed on the right side of the third protection unit 343.

[0104] Referring to Figure 17 Each protection unit includes a first protection plate 3401 and a second protection plate 3402. The first protection plate 3401 is arranged on the side of the magnetic unit close to the rotating shaft member 31, and the second protection plate 3402 is arranged on the side of the magnetic unit away from the rotating shaft member 32. In this embodiment, the first protection plate 3401 includes a plurality of U-shaped plates, and the second protection plate 3402 is a strip-shaped flat plate. The first protection plate 3401 and the second protection plate 3402 cooperate to form a "mouth" structure, which covers one magnetic unit to protect the upper side, the lower side, the left side, and the right side of the magnetic unit. One U-shaped plate and one flat plate can jointly cover one or more magnetic blocks and be installed in one sub-embedded slot 3141. For example, one U-shaped plate and one flat plate cover three magnetic blocks.

[0105] In other embodiments, the first protection plate 3401 can be a U-shaped plate, and the second protection plate 3402 can be a plurality of flat plates. Alternatively, the first protection plate 3401 can be a U-shaped plate, and the second protection plate 3402 can be a strip-shaped flat plate. Alternatively, the first protection plate 3401 can be a strip-shaped flat plate, and the second protection plate 3402 can be a plurality of U-shaped plates. Alternatively, the first protection plate 3401 can be a strip-shaped flat plate, and the second protection plate 3402 can be a U-shaped plate. Alternatively, the first protection plate 3401 can be a plurality of L-shaped plates, and the second protection plate 3402 can be an L-shaped plate. Alternatively, the first protection plate 3401 can be an L-shaped plate, and the second protection plate 3402 can be a plurality of L-shaped plates. Alternatively, each protection unit can only be the first protection plate 3401 or only the second protection plate 3402 to protect part of the side of the magnetic unit. For example, each protection unit can only be a plurality of U-shaped first protection plates 3401 to protect the upper side, the lower side, and the left side of the magnetic unit. The structure of the protection unit is not limited in the embodiments of the application.

[0106] Referring to Figure 18 , Figure 18is a fourth foldable terminal assembly provided by the present application.

[0107] The fourth foldable terminal assembly shown in the present embodiment is different from the second foldable terminal assembly 2000 in that the movable shell 30 of the protective shell 100 further comprises a protection piece 34 for protecting the magnetic piece 32 from being broken. In the present embodiment, the protection piece 34 comprises a plurality of first protection plates 3401 and a second protection plate 3402. Specifically, the protection piece comprises three first protection plates 3401, each of which comprises a plurality of U-shaped plates, and the second protection plate 3402 is formed by bending a planar plate into a plurality of segments. One first protection plate 3401 and a part of the second protection plate 3402 together form a protection unit, which covers one magnetic unit and is installed in one embedded slot 314. One U-shaped plate and a part of the second protection plate 3402 together cover one or more magnetic pieces and are installed in one sub-embedded slot 3141. For example, one U-shaped plate and a part of the second protection plate 3402 together cover three magnetic pieces.

[0108] The present embodiment enhances the protection of the magnetic piece 32 by providing the protection piece 34, avoids the magnetic piece 32 from being broken, and enhances the overall strength of the movable shell 30. When the foldable terminal 200 is in the folded state, the movable shell 30 has higher strength and can better protect the foldable part 223 of the flexible screen 220 of the foldable terminal 200.

[0109] The above description is only some embodiments and implementations of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered by the protection scope of the present application. In the case of no conflict, the embodiments and features of the embodiments of the present application can be combined with each other. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A protective case for protecting a foldable terminal, the foldable terminal comprising a housing and a flexible screen, the flexible screen being mounted on the housing, the housing comprising a first housing, a second housing, and a rotating mechanism, the rotating mechanism being connected between the first housing and the second housing, the flexible screen comprising a first display portion, a second display portion, and a foldable portion, the first display portion being mounted on the first housing, the second display portion being mounted on the second housing, the foldable portion being fixedly connected between the first display portion and the second display portion, and being arranged opposite to the rotating mechanism, characterized in that: The protective shell includes a fixed shell, a back shell, and a movable shell. The fixed shell is used to fix the first shell. The back shell is connected between the fixed shell and the movable shell. The back shell can rotate relative to the fixed shell. The movable shell can rotate relative to the back shell. The movable shell includes a magnetic member. When the foldable terminal is in a folded state, the back cover is attached to the second display portion, the magnetic member magnetically attracts the rotating mechanism, and the movable cover covers the foldable portion; When the foldable terminal is in an unfolded state, the back shell and the movable shell are both located on a side of the shell away from the flexible screen, the magnetic member magnetically absorbs the rotating mechanism, and the movable shell abuts against the shell.

2. The protective case according to claim 1, wherein: The movable housing further includes an anti-slip member installed on the surface of the magnetic member. When the foldable terminal is in a folded state, the anti-slip member is located between the magnetic member and the foldable portion.

3. The protective case according to claim 2, wherein: The movable shell further includes a rotating shaft, which is connected to the back shell. The magnetic component is mounted on the rotating shaft, and the anti-slip component is mounted on a surface of the magnetic component facing away from the rotating shaft.

4. The protective case according to claim 3, characterized in that: The magnetic member includes a plurality of magnetic units extending along a first direction, and the plurality of magnetic units are spaced apart from each other; The rotating shaft is provided with a plurality of engaging grooves extending along the first direction, and each of the magnetic units is installed in one of the engaging grooves.

5. The protective case according to claim 4, characterized in that: Each of the magnetic units includes a plurality of magnetic blocks, which are arranged in sequence along the first direction. Each of the engagement grooves includes a plurality of sub-engaging grooves, which are arranged in sequence along the first direction. Each of the magnetic blocks is installed in one of the sub-engaging grooves.

6. The protective case according to claim 4 or 5, characterized in that: The movable shell further includes a protective member, which includes a plurality of protective units extending along the first direction. Each of the protective units is installed in one of the fitting grooves and covers one of the magnetic units.

7. The protective case according to any one of claims 4 to 6, characterized in that: The rotating shaft member includes a plurality of rotating shaft units extending along the first direction. The plurality of rotating shaft units are connected in sequence, and each of the rotating shaft units is provided with one or more engaging grooves.

8. The protective case according to claim 7, characterized in that: The anti-slip member includes a plurality of anti-slip units extending along the first direction, and each of the anti-slip units is installed on a surface of one of the magnetic units.

9. The protective case according to any one of claims 3 to 8, characterized in that: The back shell includes an inner shell layer, a support sheet and an outer shell layer, wherein the support sheet is located between the inner shell layer and the outer shell layer.

10. The protective case according to claim 9, characterized in that: The inner shell layer includes a first inner shell part, a second inner shell part, and a third inner shell part connected between the first inner shell part and the second inner shell part; the outer shell layer includes a first outer shell part, a second outer shell part, and a third outer shell part connected between the first outer shell part and the second outer shell part; the support piece is located between the third inner shell part and the third outer shell part; the first inner shell part and the first outer shell part form a first end, which is connected to the fixed shell; the second inner shell part and the second outer shell part form a second end, which is connected to the movable shell.

11. The protective case according to claim 10, wherein: A fitting groove is provided on a surface of the rotating shaft component facing away from the magnetic component, and the second shell part is installed in the fitting groove.

12. The protective case according to any one of claims 1 to 11, characterized in that: An adsorption member is provided on the inner side of the fixing shell, and the adsorption member is used to adsorb and fix the fixing shell and the first shell.

13. A foldable terminal assembly, characterized in that: A foldable terminal and a protective case according to any one of claims 1 to 12; The foldable terminal includes a housing and a flexible screen, wherein the flexible screen is mounted on the housing, the housing includes a rotating mechanism, and the flexible screen includes a foldable portion disposed opposite to the rotating mechanism; The protective shell includes a fixed shell, a back shell and a movable shell, the protective shell is used to fix the housing, the back shell is connected between the fixed shell and the movable shell, and the movable shell includes a magnetic part; When the foldable terminal is in a folded state, the magnetic member magnetically attracts the rotating mechanism, and the movable shell covers the foldable portion; When the foldable terminal is in an unfolded state, the magnetic member magnetically attracts the rotating mechanism, and the movable shell abuts against the housing.

14. The foldable terminal assembly according to claim 13, wherein: The shell also includes a first shell and a second shell, the rotating mechanism is connected between the first shell and the second shell, the flexible screen also includes a first display part and a second display part, the foldable part is fixedly connected between the first display part and the second display part, the first display part is installed on the first shell, and the second display part is installed on the second shell.

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