WO2021197172A1 - 折叠组件、折叠显示终端 - Google Patents

折叠组件、折叠显示终端 Download PDF

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Publication number
WO2021197172A1
WO2021197172A1 PCT/CN2021/082817 CN2021082817W WO2021197172A1 WO 2021197172 A1 WO2021197172 A1 WO 2021197172A1 CN 2021082817 W CN2021082817 W CN 2021082817W WO 2021197172 A1 WO2021197172 A1 WO 2021197172A1
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WO
WIPO (PCT)
Prior art keywords
structural member
protection mechanism
rotating shaft
flexible screen
folding assembly
Prior art date
Application number
PCT/CN2021/082817
Other languages
English (en)
French (fr)
Inventor
刘勇
钟鼎
范文
黄涛
肖振林
吕正雄
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2021197172A1 publication Critical patent/WO2021197172A1/zh

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Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings

Definitions

  • the present application relates to the field of display technology, and in particular to a folding assembly and a folding display terminal.
  • folding display terminals have gradually become a development trend of mobile electronic products in the future.
  • the folding display terminal In the unfolded state, the folding display terminal can obtain a larger display area and improve the viewing effect.
  • the foldable display terminal In the folded state, the foldable display terminal can obtain a smaller volume, which is convenient for users to carry.
  • the folding display terminal includes at least: a flexible screen and a folding component for carrying the flexible screen.
  • the flexible screen is relatively fragile and easy to damage and fail.
  • the flexible screen is damaged.
  • the above-mentioned fall damage problem is more prominent because the flexible screen is exposed. Replace the flexible screen after it is damaged. Or the maintenance cost of folding components is high, which affects the user experience.
  • the embodiment of the present application provides a folding assembly and a folding display terminal, which solves the problem of damage to the flexible screen caused by the falling of the folding display terminal, which affects user experience.
  • the first aspect of the embodiments of the present application provides a folding assembly, the folding assembly is used to carry a flexible screen;
  • the folding assembly includes: a rotating shaft; a first structure The first structural member and the second structural member are rotatably connected by the rotating shaft;
  • the first protection mechanism includes: a bearing impact head, the bearing impact head and One end of the rotating shaft is detachably connected;
  • the flexible screen includes: a first surface facing away from the rotating shaft, and the impact bearing head is higher than or equal to the first surface of the flexible screen. Therefore, by providing the first protection mechanism, the flexible screen can be protected, and the flexible screen can be prevented from being damaged due to the falling of the folding display terminal.
  • the folding display terminal is most likely to cause damage to the flexible screen when the folding display terminal is in the folded state.
  • the first protection mechanism provided by the embodiment of the present application is located at the bending angle of the flexible screen, and the bearing impact head is higher than or equal to the surface of the flexible screen away from the bending support, so that when the display is folded
  • the first protection mechanism contacts the collision point before the flexible screen, which enhances the protection of the flexible screen and further improves the anti-collision performance of the folding display terminal.
  • the first protection mechanism is detachably connected to the rotating shaft, and the first protection mechanism can be quickly repaired and replaced, which greatly reduces the maintenance cost of the user.
  • one end of the rotating shaft is provided with a convex portion
  • the impact bearing head is provided with a concave portion on the end surface close to the rotating shaft, or one end of the rotating shaft is provided with the concave portion
  • the The protruding part is provided on the end surface of the impact bearing head close to the rotating shaft, and the protruding part is detachably connected to the concave part.
  • the convex portion and the concave portion are fixed by adhesive bonding.
  • the connection structure is simpler, which facilitates mass production.
  • the first protection mechanism further includes: a connecting piece, the convex portion and the concave portion are each provided with a connecting hole matching the connecting piece, and the connecting piece penetrates through In the connecting hole of the convex portion and the concave portion. Therefore, the first protection mechanism and the rotating shaft can be detachably connected through the connecting piece.
  • a first clamping member is provided on the outer side wall of the convex portion
  • a second clamping member is provided on the inner side wall of the concave portion
  • the first clamping member and the The second clamping member cooperates with the clamping connection. Therefore, the first protection mechanism and the rotating shaft can be detachably connected through the first clamping member and the second clamping member.
  • the cross section of the convex portion is D-shaped, regular polygonal or irregular shape. Therefore, the relative rotation of the convex portion and the first protection structure can be avoided, and the connection stability is improved.
  • the outer surface of the convex portion is provided with an external thread
  • the inner surface of the concave portion is provided with an internal thread matching the external thread
  • the convex portion is threadedly connected with the concave portion. Therefore, the bearing impact head and the rotating shaft can be detachably connected by a threaded connection.
  • the folding assembly further includes: a second protection mechanism and a third protection mechanism, the second protection mechanism is connected to the end surface of the first structural member protruding from the periphery of the flexible screen, The second protection mechanism is higher than or equal to the surface of the flexible screen facing away from the first structural member; the third protection mechanism is connected to the end surface of the second structural member protruding from the periphery of the flexible screen, the The third protection mechanism is higher than or equal to the surface of the flexible screen facing away from the second structural member. Therefore, by providing the second protection structure and the third protection structure, the periphery of the flexible screen can be protected. At the same time, the second protection mechanism and the third protection mechanism are higher than or equal to the surface of the flexible screen facing away from the second structural member. The collision point contact enhances the protection of the flexible screen and further improves the anti-collision performance of the folding display terminal.
  • the second protection mechanism and the first structural member are integrally formed, and the third protection mechanism and the second structural member are integrally formed. Therefore, the integrally formed connection method has higher strength, and further improves the anti-collision performance of the foldable display terminal.
  • a support interface is provided on the end surface of the impact head bearing. Therefore, when in use, the bracket can be inserted into the bracket interface, and the folding display terminal can be supported, which is convenient for the user to use.
  • a second protrusion is provided on the first structural member, a second recess matching the second protrusion is provided on the rotating shaft, and the second protrusion is located at the second protrusion.
  • the second structural member is provided with a third protrusion
  • the rotating shaft is provided with a third recess that matches the third protrusion
  • the third protrusion is located in the third ⁇ In the recess.
  • the folding display terminal further includes: a bending support member located on a side of the rotating member facing the flexible screen and connected to the rotating shaft, the first structural member, and the flexible screen.
  • the second structural member is connected;
  • the bending support member includes a flexible connecting layer, and a plurality of spaced rigid support bars arranged in parallel along the axis of the rotating shaft;
  • the rigid support bar and the flexible connecting layer Are connected;
  • the flexible connection layer is connected to the bending area of the flexible screen through an adhesive layer.
  • the flexible material layer can make the bending support have a certain degree of flexibility, so as to ensure that the maximum bending angle of the flexible screen bending area can meet the requirements, and the rigid support bar can provide strong rigidity for the bending support.
  • the bending support has good support performance, and the impact resistance of the bending area of the flexible screen is improved during the bending process of the folding display terminal.
  • a first elastic component is provided between the end surface of the bending support and the first protection mechanism. Therefore, by providing the first elastic member between the bending support and the first protection mechanism, buffering is realized when the folding display terminal is dropped, and the bending support is protected.
  • the impact resistance of the impact bearing head is greater than or equal to the impact resistance of the rotating shaft, and the material of the impact bearing head is amorphous metal, titanium alloy, and bulletproof steel. As a result, the impact resistance of the bearing impact head is further improved.
  • the head bearing the impact head is provided with a second elastic component. Therefore, it is possible to further realize buffering when the foldable display terminal is dropped, and to protect the bearing impact head.
  • a foldable display terminal including a flexible screen, and the above-mentioned foldable assembly; the first non-bending area of the flexible display screen and the first structure in the foldable assembly
  • the second non-bending area of the flexible display screen is connected to the second structural member in the folding assembly; the bending area of the flexible display screen is connected to the bending support in the folding assembly Are connected; wherein the bending zone is located between the first non-bending zone and the second non-bending zone. Therefore, the foldable display terminal adopts the above-mentioned foldable assembly, which improves the anti-collision performance of the foldable display terminal.
  • FIG. 1 is a schematic structural diagram of a folding display terminal in the prior art
  • Fig. 1a is a diagram of the use state of the foldable display terminal in Fig. 1;
  • Fig. 1b is a bent state diagram of the foldable display terminal in Fig. 1;
  • FIG. 1c is a diagram of the unfolded state of the foldable display terminal in FIG. 1;
  • FIG. 2 is a schematic diagram of a disassembled structure of a foldable display terminal according to an embodiment of the application
  • Figure 2a is a schematic structural diagram of a bending support provided by an embodiment of the application.
  • 2b is a schematic structural diagram of another bending support provided by an embodiment of the application.
  • FIG. 3 is a schematic diagram of a disassembled structure of another foldable display terminal according to an embodiment of the application.
  • FIG. 3a is a top view of the foldable display terminal in FIG. 3;
  • Figure 3b is a cross-sectional view of A-A in Figure 3a;
  • FIG. 3c is a front view of the foldable display terminal in FIG. 3;
  • FIG. 4 is a schematic diagram of the falling state of the folding display terminal in FIG. 3;
  • Figure 5 is a partial enlarged view of M in Figure 4.
  • FIG. 6 is a schematic diagram of a disassembled structure of another foldable display terminal according to an embodiment of the application.
  • Fig. 6a is a top view of the foldable display terminal in Fig. 6;
  • Fig. 6b is a front view of the folding display terminal in Fig. 6;
  • FIG. 6c is another front view of the foldable display terminal in FIG. 6;
  • FIG. 6d is another front view of the foldable display terminal in FIG. 6;
  • FIG. 7 is a schematic diagram of a falling state of the foldable display terminal in FIG. 6;
  • FIG. 7a is a schematic diagram of the structure of the first protection mechanism in FIG. 7;
  • Figure 7b is a partial enlarged view of N in Figure 7;
  • Figure 7c is a B-B cross-sectional view in Figure 7;
  • Figure 7d is a schematic structural diagram of another connecting component
  • Figure 8 is a schematic structural diagram of another connecting component
  • Figure 9 is a schematic structural diagram of another connecting component
  • FIG. 10 is a schematic diagram of a disassembled structure of another foldable display terminal according to an embodiment of the application.
  • FIG. 11 is a schematic diagram of a falling state of the foldable display terminal in FIG. 10 in a folded state.
  • the embodiment of the present application provides a foldable display terminal, which may be a product with a display interface such as a mobile phone, a display, a tablet computer, or a vehicle-mounted computer.
  • a foldable display terminal which may be a product with a display interface such as a mobile phone, a display, a tablet computer, or a vehicle-mounted computer.
  • the embodiment of the present application does not impose special restrictions on the specific form of the above-mentioned folding display terminal.
  • the foldable display terminal 01 includes a flexible screen 10.
  • the flexible screen 10 may be an active matrix organic light emitting diode (AMOLED) display screen.
  • AMOLED active matrix organic light emitting diode
  • the AMOLED display does not require a backlight module (BLM). Therefore, when the base substrate in the AMOLED display screen is made of a flexible resin material, such as polyethylene terephthalate (PET), the AMOLED display screen can have the characteristic of being bendable.
  • BBM backlight module
  • the folding display terminal 01 further includes a folding assembly 20 for carrying the flexible screen 10.
  • folding assembly 20 in the present application are simplified structural schematic diagrams.
  • the folding assembly 20 is not limited to the structure in the figure, and may also include other structures, which will not be repeated here.
  • the folding assembly 20 includes a first structure 201, a second structure 202, and a rotating shaft 203 located between the first structure 201 and the second structure 202.
  • the rotating shaft 203 is connected to the first structural member 201 and the second structural member 202.
  • the first structural member 201 and the second structural member 202 can rotate around the rotating shaft 203 respectively.
  • the first structural member 201 and the second structural member 202 may be a housing or a middle frame structure of an electronic device.
  • the first structural member 201 and the second structural member 202 can be used to carry the flexible screen 10 so that the flexible screen 10 is kept as flat as possible during use, and the non-display surface of the flexible screen 10 is protected.
  • a part of the flexible screen 10 is fixed to the first structural member 201 through an adhesive layer, and a part is fixed to the second structural member 202 through an adhesive layer.
  • the rest of the flexible screen 10 is located between the first structural member 201 and the second structural member 202 .
  • the glue layer may be a thin film layer formed after applying glue, and the specific form of the glue layer is not limited in the embodiment of the present application.
  • the first structural member 201 and the second structural member 202 may also be provided with other electronic components, such as cameras, earphones, earpieces, buttons, batteries, etc.
  • the embodiment of the present application is related to the first structural member 201 and the second structural member 201 and the second structural member.
  • the other electronic components provided on the component 202 are not limited.
  • the first structural member 201 and the second structural member 202 can respectively rotate along the axis O-O of the rotating shaft 203, thereby driving the flexible screen 10 to fold or unfold.
  • the flexible screen can be bent and flattened.
  • Figure 1a shows the flattening process of the flexible screen from 180° to 0°, or the folding process from 0° to 180°.
  • the area connected to the first structural member 201 by the adhesive layer on the flexible screen 10 cannot be bent, and this partial area is as shown in FIG. 2 The first non-bending area 101 shown.
  • the area on the flexible screen 10 that is connected to the second structural member 202 by the adhesive layer cannot be bent under the load of the second structural member 202.
  • This partial area is the second non-bending area 102 as shown in FIG. 2.
  • the portion between the first non-bending area 101 and the second non-bending area 102 is a bending area 103 that enables the folding display terminal 01 to achieve bending characteristics.
  • the above-mentioned folding assembly 20 further includes a bending support 30.
  • the bending support 30 is located on the side of the rotating shaft 203 facing the flexible screen 10.
  • the above-mentioned bending support member 30 is also connected with the first structural member 201 and the second structural member 202.
  • an end of the bending support 30 close to the first structural member 201 may be adhered to the first structural member 201 through an adhesive layer.
  • An end of the bending support 30 close to the second structure 202 can be adhered to the second structure 202 through an adhesive layer.
  • the middle area of the bending support 30 except for the part connected to the first structural member 201 and the second structural member 202 is connected to the rotating shaft 203.
  • the bending support 30 needs to support the bending area 103, so that the bending area 103 of the flexible screen 10 has good impact resistance and reduces flexibility during the bending process of the foldable display terminal 01.
  • the screen 10 may be damaged in the bending area 103.
  • the bending support 30 also needs to have good flexibility to ensure that the maximum bending angle of the bending area 103 of the flexible screen 10 can meet the requirements. For example, when the bending area 103 of the flexible screen 10 and the bending support 30 are at the maximum bending angle, they can ensure that the back of the first structural member 201 (the surface facing away from the flexible screen 10) and the second structural member 202 The back is in contact.
  • the bending support 30 includes a flexible connection layer 301 and a plurality of spaced rigid supports arranged along the axis OO direction of the rotating shaft 203 Article 302.
  • a plurality of rigid support bars 302 are arranged at intervals, and each rigid support bar 302 is connected to the flexible connection layer 301.
  • the flexible connecting layer 301 wraps a plurality of rigid support strips 302.
  • the periphery of each rigid support bar 302 is covered by the flexible connection layer 301.
  • the rigidity of the material constituting the rigid support bar 302 is greater than the rigidity of the material constituting the flexible connection layer 301.
  • the material constituting the rigid support bar 302 may be a simple metal, such as tungsten and molybdenum; or may be a metal compound, such as alloy steel such as stainless steel and die steel, or an amorphous alloy.
  • the material constituting the flexible connection layer 301 may be a silicone material with relatively high flexibility. In this way, the flexible material layer 301 can make the bending support 30 have a certain degree of flexibility, so as to ensure that the maximum bending angle of the bending area 103 of the flexible screen 10 can meet the requirements.
  • the rigid support bar 302 can provide strong rigidity for the bending support 30, so that the bending support 30 has good support performance, so as to improve the bending of the flexible screen 10 during the bending process of the folding display terminal 01 The impact resistance of zone 103.
  • the flexible screen 10 is relatively fragile, and the flexible screen 10 is easily damaged when the folding display terminal is dropped. Moreover, among the various types of fall, the folding display terminal with an outer folding design is most likely to cause damage to the flexible screen when the corner of the folded state is folded. In a folding display terminal with a folding design, the flexible screen is located on the outside of the device when in the folded state.
  • a protection mechanism 303 may be provided at one end of the bending support 30, and the protection mechanism 303 is composed of The end surfaces of the bending support 30 respectively extend to the end surfaces of the flexible screen 10 and the rotating shaft 203, and the protection mechanism 303 and the bending support 30 are arranged in a "T" shape.
  • the protection mechanism 303 the bending area 103 of the flexible screen can be protected, and the flexible screen can be prevented from being damaged due to the falling of the folding display terminal.
  • the protection mechanism 303 provided by the embodiment of the present application is located at the bending corner of the flexible screen, which can protect the bending corner of the flexible screen, especially for the folding display terminal in the folded state and the outer folding design. The corner falls are protected, which improves the anti-collision performance of the foldable display terminal.
  • the protection mechanism 303 is, for example, higher than or equal to the surface of the flexible screen 10 away from the bending support 30, so that when the foldable display terminal is dropped, the protection mechanism 303 contacts the collision point before the flexible screen, which increases the resistance to the flexible screen.
  • the protection of the foldable display terminal further improves the anti-collision performance of the folding display terminal.
  • the embodiment of the application does not limit the material of the protection mechanism 303.
  • the material of the protection mechanism 303 includes, but is not limited to: alloy steel such as stainless steel and die steel, or amorphous alloy.
  • the protection mechanism 303 may be injection molded using a metal injection molding (Metal injection Molding, MIM) process. During molding, the metal powder and the plasticized mixture of the binder can be mixed first, and then the mixture can be granulated and then injected into the desired shape.
  • MIM Metal injection Molding
  • each rigid support bar is connected to one protection mechanism 303 on the end surface, and the process is relatively complicated.
  • the part of the rigid support bar 302 that is impacted by the fall can be strengthened, or the rotating shaft can be used to assist in the limit position on the rear side of the rigid support bar 302 to share part of the impact of the fall, or As shown in FIG. 5, the gap between the flexible screen 10 and the protection mechanism 303 is increased to leave a large safety margin.
  • the rigid support bar 302 due to the size limitation of the rigid support bar 302, its structural strength cannot be increased without limitation. Although the shaft is used to share part of the drop impact on the rear side of the rigid support bar 302, the total impact energy is too large, and the remaining impact energy is still It will cause the rigid support bar 302 to break or deform; and the gap between the flexible screen 10 and the protection mechanism 303 is too large, and the appearance is not beautiful.
  • the part of the first protection mechanism 2031 in this embodiment that bears the impact of a drop changes from the protection mechanism 303 on the rigid support bar 302 to the first protection mechanism 2031 on the shaft 203.
  • a first protection mechanism 2031 may be provided at one end of the shaft 203, and the first protection mechanism 2031 extends from the end of the shaft 203 to the end surface of the flexible screen 10. , So that the first protection mechanism 2031 and the rotating shaft 203 are arranged in an "L" shape.
  • the bending area 103 of the flexible screen can be protected, and the flexible screen can be prevented from being damaged due to the falling of the folding display terminal.
  • the rotating shaft 203 includes, for example, opposite first and second ends.
  • the first protection mechanism 2031 may be disposed at one end of the rotation shaft 203, or the first protection mechanism 2031 may be disposed at both ends of the rotation shaft 203, respectively.
  • the first protection mechanism 2031 provided by the embodiment of the present application is located at the bending corner of the flexible screen, which can protect the bending corner of the flexible screen, especially the folding display terminal in the folded state. , Improve the anti-collision performance of the folding display terminal.
  • the embodiment of the present application does not limit the size of the first protection mechanism.
  • the head 2030 of the first protection mechanism 2031 first touches the ground when falling, and it receives the greatest impact.
  • the area or thickness of the head 2030 can be appropriately increased, or the entire first protection mechanism can be adjusted.
  • the size of 2031 increases the force-bearing area and improves the impact resistance of the folding display terminal.
  • the first protection mechanism 2031 includes, for example, a bearing impact head 20311.
  • the bearing impact head 20311 is, for example, higher than or equal to the surface of the flexible screen 10 away from the bending support 30, so that when the folding display terminal falls, the bearing impact head 20311 Before the flexible screen comes into contact with the collision point, the protection of the flexible screen is enhanced, and the anti-collision performance of the folding display terminal is further improved.
  • the flexible screen 10 includes a first surface and a second surface opposite to each other.
  • the second surface of the flexible screen 10 is fixed to the folding component by, for example, a glue layer, and the first surface of the flexible screen 10 is away from the glue.
  • the surface of the layer is fixed to the folding component by, for example, a glue layer, and the first surface of the flexible screen 10 is away from the glue. The surface of the layer.
  • the embodiment of the present application does not limit the connection manner of the first protection mechanism 2031 and the rotating shaft 203.
  • the first protection mechanism 2031 and the rotation shaft 203 are integrally formed, which can increase the connection strength between the first protection mechanism 2031 and the rotation shaft 203, and further improve the anti-collision performance of the folding display terminal.
  • the first protection mechanism 2031 is detachably connected to the rotating shaft 203.
  • the first protection mechanism 2031 includes: a bearing impact head 20311 and a recess 20312, wherein the recess 20312 bears the end surface of the impact head 20311 close to the rotating shaft 203.
  • the load-bearing impact head 20311 first touches the ground when it is dropped, and it receives the greatest impact, and the impact resistance of the load-bearing impact head 20311 is greater than or equal to the impact resistance of the rotating shaft.
  • the load-bearing impact head 20311 may be made of materials such as amorphous metal, titanium alloy, and high alloy steel (such as bulletproof steel) with alloy element solder greater than 10%.
  • the end surface of the rotating shaft 203 protruding from the flexible screen 10 is provided with a convex portion 2035, and the size of the end surface of the convex portion 2035 is smaller than the size of the end surface of the rotating shaft.
  • the concave portion 20312 matches the shape of the convex portion 2035, and the convex portion 2035 is located in the concave portion 20312. As a result, the size of the connecting surface between the first protection mechanism and the rotating shaft is larger, and the connection stability is improved.
  • the size of the end surface of the recess 20312 is the same as the shape and size of the end surface of the rotating shaft 203, and the end surface of the recess 20312 and the rotating shaft 203 can be closely attached.
  • the embodiment of the present application does not limit the shape of the convex portion.
  • the cross section of the convex portion is D-shaped, regular polygonal or irregular shape.
  • the embodiment of the present application does not limit the specific connection manner of the above-mentioned convex portion and the concave portion.
  • the convex portion 2035 is connected to the concave portion 20312 by a connecting member 2034, for example.
  • the connecting member 2034 is a pin or a screw, and the convex portion 2035 and the concave portion 20312 are provided with connecting holes that match the connecting member 2034, for example, the connecting member 2034 For example, it is inserted into the connecting hole of the convex portion 2035 and the concave portion 20312.
  • the connecting part 2034 needs to be taken out of the connecting hole to separate the first protection mechanism from the rotating shaft. Therefore, the first protection mechanism and the rotating shaft can be detachably connected through the connecting member 2034, which is convenient for assembly and maintenance.
  • the above-mentioned concave and convex portions may not be provided, and only one end of the rotating shaft 203 and the first protection mechanism 2031 may be provided with a connecting hole, and the rotating shaft 203 may be connected by a pin or screw. It is detachably connected to the first protection mechanism 2031.
  • the connecting part 2034 needs to be taken out of the connecting hole, and the first protection mechanism can be separated from the rotating shaft 203. Therefore, the first protection mechanism and the rotating shaft can be detachably connected through the connecting member 2034, which is convenient for assembly and maintenance.
  • the connecting member 2034 includes: an external thread provided on the outer surface of the convex portion 2035, and an internal thread provided on the inner surface of the concave portion 20312, the convex The portion 2035 is threadedly connected to the concave portion 20312.
  • the convex portion 2035 can be inserted into the concave portion 20312 and tightened.
  • the first protection mechanism 2031 needs to be disassembled, it only needs to be loosened in the opposite direction and separated from the convex portion 2035 and 2031. Recess 20312. As a result, the first protection mechanism and the rotating shaft can be detachably connected through the thread.
  • the connecting component 2034 may include: a first clamping member and a second clamping member that can be engaged with each other, and the first clamping member is, for example, a card The hook is disposed on the inner side wall of the concave portion 20312, and the second clamping member is, for example, a tapered structure and is disposed on the top end of the convex portion 2035.
  • the second clamping member can be made of an elastic material and can be deformed under the action of external force.
  • the second clamping member contracts under the action of an external force
  • the second clamping member can enter the card slot, for example, and when the second clamping member enters the card slot, the buckle head recovers from deformation, and the first A clamping member and the second clamping member cooperate to be clamped so that the first protection mechanism can be detachably clamped to the rotating shaft 203.
  • the convex portion 2035 and the concave portion 20312 are fixed by adhesive bonding.
  • the glue may be a hot melt glue, for example.
  • the convex portion 2035 and the concave portion 20312 can be separated by force in the direction away from the rotating shaft 203, or the first protection mechanism 2031 can be heated to soften the viscose, and then separate the convex portion 2035 and the concave portion 20312. Recess 20312.
  • the connection structure of the convex portion 2035 and the concave portion 20312 is simpler, which is convenient for mass production.
  • the embodiment of the present application does not limit the material of the first protection mechanism 2031.
  • the material of the first protection mechanism 2031 and the rotating shaft 203 may be the same or different.
  • the material of the first protection mechanism 2031 includes, but is not limited to: alloy steel such as stainless steel and die steel, or amorphous alloy.
  • the first protection mechanism 2031 may be injection molded using a metal injection molding (Metal injection Molding, MIM) process. During molding, the metal powder and the plasticized mixture of the binder can be mixed first, and then the mixture can be granulated and then injected into the desired shape.
  • MIM Metal injection Molding
  • the first protection mechanism can be made of a material with higher strength than the rotating shaft to obtain higher impact resistance, or better cushioning effect, and high flexibility in use.
  • the end surface pattern 2036 of the first protection mechanism 2031 can be customized, and the shape of the impact head can also be customized, and the user can choose according to needs, all of which belong to the protection scope of the present application.
  • a bracket interface 2037 can also be provided on the impact bearing head 20311. When in use, the bracket can be inserted into the bracket interface 2037 to support the folding display terminal. Among them, the bracket interface 2037 can be used for a car bracket, which is convenient for users to use.
  • the impacted part of the foldable display terminal is the weakest point of strength at the connection position of the protection mechanism 303 and the rigid support bar 302.
  • the impacted part of the foldable display terminal is the weakest point of strength at the connection position of the first protection mechanism 2031 and the rotating shaft 203.
  • the size of the connecting surface between the first protection mechanism 2031 and the rotating shaft 203 is larger than the size of the connecting surface between the protection mechanism 303 and the rigid support bar 302, which is beneficial to improve the impact resistance of the folding display terminal.
  • the connecting surface between the first protection mechanism 2031 and the rotating shaft 203 is about 5-6 times the size of the connecting surface of the protection mechanism 303 and the rigid support bar 302.
  • the strength of the rotating shaft 203 is about 5 times the strength of the rigid support bar. -6 times, thereby greatly improving the fall-proof performance.
  • the folding assembly provided by the embodiment of the present application, by providing the first protection mechanism connected to the rotating shaft 203, can reduce the angle compared with the protection mechanism connected to the rigid support bar of the bending support 30 in the above-mentioned embodiment.
  • the strength of the impacted parts is increased by 5-6 times, so as to avoid the damage of the flexible screen caused by the fracture and deformation of the part.
  • the end surface of the bending support 30 may be retracted, and an elastic member 40 may be arranged between the end surface of the bending support and the frame.
  • the material of the first elastic member 40 includes but is not limited to silica gel.
  • the process is simpler and the manufacturing yield can be greatly improved.
  • a second elastic member 50 can also be provided on the head of the impact bearing head 20311 to buffer the impact of the impact bearing head from falling and improve the impact resistance of the foldable display terminal.
  • the second elastic member 50 may be sleeved on the head of the impact head 20311, or a number of blind holes may be provided on the head of the impact head 20311, and the second elastic member may be filled in the blind holes. These all belong to the protection scope of this application.
  • a second protection mechanism 2011 can also be provided on the end surface of the first structural member 201 extending out of the periphery of the flexible screen 10, and a second protective mechanism 2011 can be provided on the second structural member 202 extending out of the The end surface of the periphery of the flexible screen 10 is provided with a third protection mechanism 2021.
  • the periphery of the flexible screen can be protected.
  • the second protection mechanism 2011 is higher than or equal to the surface of the flexible screen facing away from the first structural member 201.
  • the third protection mechanism 2021 is higher than or equal to the surface of the flexible screen facing away from the second structural member.
  • the second protection mechanism and the third protection mechanism can contact the collision point before the flexible screen, which enhances the protection of the flexible screen and further improves the anti-collision performance of the folding display terminal. .
  • the embodiment of the present application does not limit the connection mode of the second protection mechanism 2011 and the second structure 202, and the third protection mechanism 2021 and the second structure 202.
  • the second protection mechanism 2011 and the first structural member 201 are made of the same material.
  • the second protection mechanism 2011 and the first structural member 201 may be formed separately first, and then the second protection mechanism 2011 and the first structural member 201 may be formed separately.
  • the first structural members 201 are welded and connected together.
  • the material of the third protection mechanism 2021 and the second structure 202 is the same, the third protection mechanism 2021 and the second structure 202 can be formed separately first, and then the third protection mechanism 2021 and the second structure 202 are welded connected together.
  • the second protection mechanism 2011 and the second structural member 202 are integrally formed. As a result, the connection strength between the second protection mechanism 2011 and the second structural member 202 can be improved, and the anti-collision performance of the foldable display terminal can be further improved.
  • the third protection mechanism 2021 and the second structure 202 are integrally formed. As a result, the connection strength between the third protection mechanism 2021 and the second structural member 202 can be improved, and the anti-collision performance of the foldable display terminal is further improved.
  • the embodiment of the present application does not limit the materials of the second protection mechanism 2011 and the third protection mechanism 2021.
  • the material of the second protection mechanism 2011 and the third protection mechanism 2021 includes but is not limited to aluminum alloy.
  • the second protection mechanism 2011 and the third protection mechanism 2021 may be formed by die-casting or obtained through numerical control processing.
  • the folding assembly is also Including: limit parts.
  • the limiting component includes: a protrusion and a recess.
  • the first structural member 201 and the second structural member 202 are provided with the protrusion, and the rotating shaft is provided with the recess.
  • two second protrusions 2012 are provided on the first structural member 201, and two second protrusions 2012 are provided on the rotating shaft.
  • the two concave portions 2032 when in the folded state, the second protrusion 2012 is located in the second concave portion 2032 to form a limiting structure to avoid displacement and misalignment of the first structural member 201 relative to the rotating shaft 203.
  • the second structural member 202 is provided with two third protrusions 2022
  • the rotating shaft 203 is provided with two third recesses 2033 that match the third protrusions 2022.
  • the third protrusion 2022 is located in the third recess 2033 to form a limiting structure to prevent the second structural member 202 from being displaced relative to the rotating shaft 203.
  • the embodiment of the present application does not limit the number of the above-mentioned limiting components.
  • the above-mentioned limiting components may include one set of mutually matched protrusions and recesses, or may include multiple sets, which can be set by those skilled in the art as required , These all belong to the protection scope of this application.
  • first structural member 201 and the second structural member 202 are provided with the concave portion, and the rotating shaft is provided with the protrusion, and the specific structure is not repeated here.
  • the folding assembly provided by the embodiment of the present application, through the cooperation of the second recess and the second protrusion, and the third recess and the third protrusion, can greatly reduce the first structure and the first structure when the folding display terminal is dropped.
  • the displacement of the two structural parts relative to the rotating shaft is misaligned, so as to avoid damage to the flexible screen caused by the shearing force generated by the folding display terminal on the flexible screen.
  • the limit structure can reduce the displacement by 70%.
  • the folding assembly 20 further includes a third structural member 204 and a fourth structural member 214.
  • the first structural member 201 is provided with a first sliding groove
  • the second structural member 202 is provided with a second sliding groove.
  • the third structural member 204 and the fourth structural member 214 may be rotating members with a cylindrical structure.
  • the cross-sections of the third structural member 204 and the fourth structural member 214 are, for example, circular or polygonal. The embodiment does not limit the cross-sectional shapes of the third structural member and the fourth structural member.
  • the first end of the third structural member 204 is rotatably connected with the rotating shaft 203, and the second end can extend into the first sliding groove and be slidably connected with the first sliding groove. So that when the first structural member 201 rotates around the axis OO of the rotating shaft 203, the first structural member 201 relative to the third structural member 204 can slide a preset distance in a direction approaching or away from the rotating shaft 203 .
  • the first end of the fourth structural member 214 is rotatably connected with the rotating shaft 203, and the second end may extend into the second sliding groove and be slidably connected with the second sliding groove. Therefore, when the second structural member 202 rotates around the axis O-O of the rotating shaft 203, the second structural member 202 can slide in a direction approaching or away from the rotating shaft 203 relative to the fourth structural member 214.
  • the embodiment of the present application does not limit the connection manner of the third structural member 204 and the first sliding groove and the connection manner of the fourth structural member 214 and the second sliding groove, and only a sliding connection is required.
  • the first structural member 201 slides in a direction close to the rotating shaft 203 relative to the third structural member 204, and the second structural member 202 is relative to the fourth structural member 204.
  • the member 214 slides in a direction close to the rotating shaft 203.
  • the first structural member 201 can slide relative to the third structural member 204, and the second structural member 214 can slide relative to the fourth structural member 214, which can release part of the bending force and reduce the pulling force on the flexible screen. Avoid excessive pulling force on the flexible screen during the bending process.
  • the first structural member 201 slides in a direction away from the rotating shaft 203 relative to the third structural member 204; the second structural member 202 is relative to the fourth structure
  • the piece 214 slides in a direction away from the rotating shaft 203.
  • the first structural member 201 can slide relative to the third structural member 204, and the second structural member 214 can slide relative to the fourth structural member 214, which can release part of the stretching force, reduce the pulling force on the flexible screen, and avoid Excessive pulling force on the flexible screen during stretching.
  • the third structural member is slidably connected to the first structural member
  • the fourth structural member is slidably connected to the second structural member, thereby reducing the first structural member and the first structural member.

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Abstract

一种折叠组件(20)、折叠显示终端(01)，折叠组件(20)用于承载柔性屏(10)；折叠组件(20)包括：转轴(203)；第一结构件(201)、第二结构件(202) 、第一保护机构(2031)；第一结构件(201)与第二结构件(202)通过转轴(203)转动连接；第一保护机构(2031)和转轴(203)的一端连接；由此，通过设置第一保护机构(2031)，可以保护柔性屏(10)，避免折叠显示终端(01)跌落造成柔性屏(10)损坏。其中，柔性屏(10)的第一表面背离转轴（203），第一保护机构(2031)高于或等于柔性屏(10)的第一表面，使得当折叠显示终端(01)跌落时，第一保护机构(2031)先于柔性屏(10)与碰撞点接触，增强了对柔性屏(10)的防护，进一步提高了折叠显示终端(01)的防撞性能。

Description

折叠组件、折叠显示终端
“本申请要求于2020年03月31日提交国家知识产权局、申请号为202010247689.3、发明名称为“折叠组件、折叠显示终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中”。
技术领域
本申请涉及显示技术领域，尤其涉及一种折叠组件、折叠显示终端。
背景技术
随着显示技术的不断发展，折叠显示终端逐渐成为未来移动电子产品的一个发展趋势。折叠显示终端在展开状态下，能够获得较大的显示面积，提升观影效果。折叠显示终端在折叠状态下，能够获得较小的体积，便于用户携带。
折叠显示终端至少包括：柔性屏和用于承载所述柔性屏的折叠组件。其中，柔性屏较为脆弱，容易损坏失效。
然而，在使用过程中，由于折叠显示终端不可避免存在跌落场景，造成柔性屏损坏，尤其对于外折叠设计的折叠显示终端，由于柔性屏显露在外，上述跌落损坏问题更加突出，损坏后更换柔性屏或折叠组件的维修费用较高，影响用户体验。
发明内容
本申请实施例提供一种折叠组件、折叠显示终端，解决了折叠显示终端跌落造成柔性屏损坏，影响用户体验的问题。
为达到上述目的，本申请实施例采用如下技术方案：本申请实施例的第一方面，提供一种折叠组件，所述折叠组件用于承载柔性屏；所述折叠组件包括：转轴；第一结构件、第二结构件；所述第一结构件与所述第二结构件通过所述转轴转动连接；第一保护机构，所述第一保护机构包括：承载冲击头，所述承载冲击头与所述转轴的一端可拆卸连接；其中，所述柔性屏包括：背离所述转轴的第一表面，所述承载冲击头高于或等于所述柔性屏的第一表面。由此，通过设置第一保护机构，可以保护柔性屏，避免折叠显示终端跌落造成柔性屏损坏。其中，在多种跌落形式中，折叠显示终端在折叠态的角跌最容易导致柔性屏损坏。当折叠显示终端在折叠状态时，本申请实施例提供的第一保护机构位于柔性屏的弯折角，且承载冲击头高于或等于该柔性屏背离该弯折支撑件的表面，使得当折叠显示终端跌落时，该第一保护机构先于该柔性屏与碰撞点接触，增强了对柔性屏的防护，进一步提高了折叠显示终端的防撞性能。第一保护机构与转轴可拆卸连接，能够快速维修更换第一保护机构，大幅减少用户的维修成本。
一种可选的实现方式中，所述转轴的一端设有凸部，所述承载冲击头靠近所述转轴的端面上设有凹部，或，所述转轴的一端设有所述凹部，所述承载冲击头靠近所述转轴的端面上设有所述凸部，所述凸部与所述凹部可拆卸连接。由此，增大了承载冲击头和转轴的连接面尺寸，提高了连接稳定性。
一种可选的实现方式中，所述凸部和所述凹部通过粘胶粘接固定。由此，连接 结构更简单，便于批量生产。
一种可选的实现方式中，所述第一保护机构还包括：连接件，所述凸部和所述凹部上均设有与所述连接件匹配的连接孔，所述连接件穿设于所述凸部和所述凹部的连接孔中。由此，可以通过连接件将第一保护机构和转轴可拆卸连接。
一种可选的实现方式中，所述凸部的外侧壁上设有第一卡接件，所述凹部的内侧壁上设有第二卡接件，所述第一卡接件和所述第二卡接件配合卡接。由此，可以通过第一卡接件和第二卡接件将第一保护机构和转轴可拆卸连接。
一种可选的实现方式中，所述凸部的横截面为D形、规则的多边形或不规则形状。由此，可以避免凸部和第一保护结构相对转动，提高了连接稳定性。
一种可选的实现方式中所述凸部外表面设置有外螺纹，所述凹部内表面设有与所述外螺纹匹配的内螺纹，所述凸部与所述凹部螺纹连接。由此，可以采用螺纹连接的方式将承载冲击头和转轴可拆卸连接。
一种可选的实现方式中，所述折叠组件还包括：第二保护机构和第三保护机构，所述第二保护机构与所述第一结构件伸出所述柔性屏周边的端面连接，所述第二保护机构高于或等于所述柔性屏背离所述第一结构件的表面；所述第三保护机构与所述第二结构件伸出所述柔性屏周边的端面连接，所述第三保护机构高于或等于所述柔性屏背离所述第二结构件的表面。由此，通过设置第二保护结构和第三保护结构，可以对柔性屏的周边进行防护。同时，第二保护机构和第三保护机构高于或等于所述柔性屏背离所述第二结构件的表面，在跌落或碰撞时，第二保护机构和第三保护机构可以先于柔性屏与碰撞点接触，增强了对柔性屏的防护，进一步提高了折叠显示终端的防撞性能。
一种可选的实现方式中，所述第二保护机构与所述第一结构件一体成型，所述第三保护机构与所述第二结构件一体成型。由此，一体成型的连接方式强度更高，进一步提高了折叠显示终端的防撞性能。
一种可选的实现方式中，所述承载冲击头的端面上设有支架接口。由此，使用时，可以将支架插入支架接口中，可以支撑折叠显示终端，便于用户使用。
一种可选的实现方式中，所述第一结构件上设有第二凸起，所述转轴上设有与所述第二凸起匹配的第二凹部，所述第二凸起位于所述第二凹部内；所述第二结构件上设有第三凸起，所述转轴上设有与所述第三凸起匹配的第三凹部，所述第三凸起位于所述第三凹部内。由此，通过第二凹部与第二凸起、第三凹部与第三凸起的配合，当折叠显示终端跌落时，能够大幅减小第一结构件、第二结构件相对于转轴的位移错动量，避免折叠显示终端跌落对柔性屏产生的剪切力造成的柔性屏损坏。
一种可选的实现方式中，所述折叠显示终端还包括：弯折支撑件，位于所述转动部件朝向所述柔性屏的一侧，并与所述转轴、所述第一结构件、所述第二结构件相连接；所述弯折支撑件包括柔性连接层，以及多条间隔的，且沿所述转轴轴线方向平行设置的刚性支撑条；所述刚性支撑条与所述柔性连接层相连接；所述柔性连接层通过胶层与所述柔性屏的弯折区相连接。由此，柔性材料层可以使得弯折支撑件具有一定的柔韧性，从而确保柔性屏弯折区的最大弯折角度能够到达要求，刚性支撑条能够为弯折支撑件提供较强的刚度，以使得弯折支撑件具有良好的支撑性能，达到提高折叠 显示终端在弯折过程中，柔性屏的弯折区的抗冲击能力。
一种可选的实现方式中，所述弯折支撑件的端面与所述第一保护机构之间设有第一弹性部件。由此，通过在弯折支撑件和该第一保护机构之间设置第一弹性部件，在折叠显示终端跌落时实现缓冲，保护该弯折支撑件。
一种可选的实现方式中，所述承载冲击头的抗冲击强度大于或等于转轴的抗冲击强度，所述承载冲击头的材料采用非晶金属、钛合金、防弹钢。由此，进一步提高了承载冲击头的抗冲击性能。
一种可选的实现方式中，所述承载冲击头的头部设有第二弹性部件。由此，可以进一步在折叠显示终端跌落时实现缓冲，保护该承载冲击头。
本申请实施例的第二方面，提供一种折叠显示终端，包括柔性屏，以及如上所述的折叠组件；所述柔性显示屏的第一非弯折区与所述折叠组件中的第一结构件相连接；所述柔性显示屏的第二非弯折区与所述折叠组件中的第二结构件相连接；所述柔性显示屏的弯折区与所述折叠组件中的弯折支撑件相连接；其中，所述弯折区位于所述第一非弯折区和所述第二非弯折区之间。由此，该折叠显示终端采用上述折叠组件，提高了折叠显示终端的防撞性能。
附图说明
图1为现有技术中一种折叠显示终端的结构示意图；
图1a为图1中折叠显示终端的使用状态图；
图1b为图1中折叠显示终端的弯折状态图；
图1c为图1中折叠显示终端的展开状态图；
图2为本申请实施例提供的一种折叠显示终端的拆解结构示意图；
图2a为本申请实施例提供一种弯折支撑件的结构示意图；
图2b为本申请实施例提供另一种弯折支撑件的结构示意图；
图3为本申请实施例提供的另一种折叠显示终端的拆解结构示意图；
图3a为图3中折叠显示终端的俯视图；
图3b为图3a中的A-A剖视图；
图3c为图3中折叠显示终端的正面视图；
图4为图3中的折叠显示终端的跌落状态示意图；
图5为图4中M的局部放大图；
图6为本申请实施例提供的另一种折叠显示终端的拆解结构示意图；
图6a为图6中折叠显示终端的俯视图；
图6b为图6中折叠显示终端的一种正面视图；
图6c为图6中折叠显示终端的另一种正面视图；
图6d为图6中折叠显示终端的另一种正面视图；
图7为图6中折叠显示终端的跌落状态示意图；
图7a为图7中第一保护机构的结构示意图；
图7b为图7中N的局部放大图；
图7c为图7中的B-B剖视图；
图7d为另一种连接部件的结构示意图；
图8为另一种连接部件的结构示意图；
图9为另一种连接部件的结构示意图；
图10为本申请实施例提供的另一种折叠显示终端的拆解结构示意图；
图11为图10中折叠显示终端在折叠状态下的跌落状态示意图。
具体实施方式
为了使本申请的目的、技术方案和优点更加清楚，下面将结合附图对本申请作进一步地详细描述。
以下，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”等的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
此外，本申请中，“上”、“下”等方位术语是相对于附图中的部件示意置放的方位来定义的，应当理解到，这些方向性术语是相对的概念，它们用于相对于的描述和澄清，其可以根据附图中部件所放置的方位的变化而相应地发生变化。
本申请实施例提供一种折叠显示终端，该折叠显示终端可以为手机、显示器、平板电脑、车载电脑等具有显示界面的产品。本申请实施例对上述折叠显示终端的具体形式不做特殊限制。
为了方便理解本申请实施例提供的折叠显示终端，下面结合附图1，对已有的一种折叠显示终端介绍如下：
如图1所示，折叠显示终端01包括柔性屏10。该柔性屏10可以为有源矩阵有机发光二极管(active matrix organic light emitting diode，AMOLED)显示屏。
AMOLED显示屏作为一种自发光显示屏，无需设置背光模组(back light module，BLM)。因此，当AMOLED显示屏中的衬底基板采用柔性树脂材料，例如聚对苯二甲酸乙二醇酯(polyethylene terephthalate，PET)构成时，AMOLED显示屏能够具有可弯折的特性。
此外，如图1所示，折叠显示终端01还包括用于承载柔性屏10的折叠组件20。
需要说明的是，本申请中折叠组件20的相关附图为简化的结构示意图，该折叠组件20不限于图中的结构，还可以包括其他的结构，在此不再赘述。
该折叠组件20包括第一结构件201、第二结构件202以及位于第一结构件201和第二结构件202之间的转轴203。
转轴203与第一结构件201、第二结构件202相连接。第一结构件201和第二结构件202可以分别绕转轴203进行旋转。第一结构件201和第二结构件202可以是壳体，也可以是电子设备的中框结构。
其中，第一结构件201和第二结构件202可以用于承载柔性屏10，使得柔性屏10在使用过程中尽量保持平整，并对柔性屏10的非显示面进行保护。
柔性屏10的一部分通过胶层固定于第一结构件201上，一部分通过胶层固定于第二结构件202上，柔性屏10的其余部分位于第一结构件201和第二结构件202之间。该胶层可以为涂覆胶水后形成的薄膜层，本申请实施例对于该胶层的具体形式不 进行限定。此外，第一结构件201和第二结构件202上还可以设置有其他的电子元件，例如，摄像头、耳机、听筒、按键、电池等，本申请实施例对于第一结构件201和第二结构件202上设置的其他电子元件不进行限定。
第一结构件201和第二结构件202可以分别沿转轴203的轴线O-O进行旋转，从而带动柔性屏10折叠或者展开。如图1a所示，柔性屏可以弯折和展平，其中，图1a为柔性屏从180°展平到0°的展平过程，或者从0°折叠到180°的折叠过程。
如图1b所示，当第一结构件201和第二结构件202之间的夹角α为0°时，柔性屏10处于折叠状态。
或者，如图1c所示，当第一结构件201和第二结构件202之间的夹角α增大至180°时，柔性屏10处于展开状态。
在第一结构件201和第二结构件202不具备弯折特性的情况下，柔性屏10上与第一结构件201通过胶层相连接的区域无法弯折，该部分区域为如图2所示的第一非弯折区101。
柔性屏10上与第二结构件202通过胶层相连接的区域，在第二结构件202的承载下也无法弯折，该部分区域为如图2所示的第二非弯折区102。
此外，柔性屏10中，位于上述第一非弯折区101和第二非弯折区102之间的部分，为能够使得折叠显示终端01实现弯折特性的弯折区103。
在此基础上，为了对上述柔性屏10的弯折区103进行支撑，以提高弯折区103的刚度和抗冲击性的同时，确保柔性屏10的弯折区103的弯折性能能够到达要求。如图2所示，上述折叠组件20还包括弯折支撑件30。
弯折支撑件30位于转轴203朝向柔性屏10的一侧。上述弯折支撑件30还与第一结构件201和第二结构件202相连接。
示例的，弯折支撑件30靠近第一结构件201的一端，可以通过胶层粘接于第一结构件201。
弯折支撑件30靠近第二结构件202的一端，可以通过胶层粘接于第二结构件202。
此外，弯折支撑件30中，除了与第一结构件201和第二结构件202相连接的部分以外的中间区域，与转轴203相连接。
需要说明的是，本申请对弯折支撑件30与转轴203相连接的方式不做限定。
由上述可知，一方面，弯折支撑件30需要对弯折区103进行支撑，以使得折叠显示终端01在弯折过程中，柔性屏10的弯折区103具有良好的抗冲击能力，减少柔性屏10在弯折区103出现损坏的几率。
另一方面，弯折支撑件30还需要具有良好的柔韧性，以确保柔性屏10弯折区103的最大弯折角度能够到达要求。例如，柔性屏10的弯折区103以及弯折支撑件30在处于最大弯折角度时，能够保证第一结构件201的背面(背离柔性屏10的一侧表面)与第二结构件202的背面相接触。
为了满足上述要求，本申请的一些实施例中，如图2、图2a所示，弯折支撑件30包括柔性连接层301，以及多个间隔的，且沿转轴203轴线O-O方向设置的刚性支撑条302。多条刚性支撑条302间隔设置，且每一条刚性支撑条302都与柔性连接 层301相连接。
或者，又例如，在本申请的另一些实施例中，如图2b所示，柔性连接层301对多条刚性支撑条302进行包裹。在此情况下，每一条刚性支撑条302周边均被柔性连接层301覆盖。
其中，构成刚性支撑条302的材料的刚度，大于构成柔性连接层301的材料的刚度。
示例的，构成刚性支撑条302的材料可以为金属单质，例如钨、钼；或者可以为金属化合物，例如不锈钢、模具钢等合金钢，或者非晶合金。
构成柔性连接层301的材料可以为具有较高柔韧性的硅胶材料。这样一来，柔性材料层301可以使得弯折支撑件30具有一定的柔韧性，从而确保柔性屏10弯折区103的最大弯折角度能够到达要求。
此外，刚性支撑条302能够为弯折支撑件30提供较强的刚度，以使得弯折支撑件30具有良好的支撑性能，达到提高折叠显示终端01在弯折过程中，柔性屏10的弯折区103的抗冲击能力。
其中，柔性屏10较为脆弱，折叠显示终端跌落容易损坏柔性屏10，并且，在多种跌落形式中，外折叠设计的折叠显示终端在折叠态的角跌最容易导致柔性屏损坏，其中，外折叠设计的折叠显示终端，在折叠状态时，柔性屏位于设备外侧。
为了避免折叠显示终端跌落时损坏柔性屏10，需要为柔性屏10设置保护机构。
在本申请另一种实现方式中，如图3、图3a、图3b、图3c、图4、图5所示，可以在弯折支撑件30的一端设置保护机构303，该保护机构303由弯折支撑件30的端面分别向柔性屏10和转轴203的端面延伸，该保护机构303和弯折支撑件30呈“T”型排布。
由此，通过设置保护机构303，可以对柔性屏的弯折区103进行防护，避免折叠显示终端跌落造成柔性屏损坏。
并且，当折叠显示终端在折叠状态时，本申请实施例提供的保护机构303位于柔性屏的弯折角处，可以保护柔性屏的弯折角，尤其可以对折叠状态的，外折叠设计的折叠显示终端的角跌进行防护，提高了折叠显示终端的防撞性能。
其中，该保护机构303例如高于或等于柔性屏10背离弯折支撑件30的表面，使得当折叠显示终端跌落时，该保护机构303先于该柔性屏与碰撞点接触，增强了对柔性屏的防护，进一步提高了折叠显示终端的防撞性能。
本申请实施例对保护机构303的材质不做限制。示例性的，保护机构303的材质包括但不限于：不锈钢、模具钢等合金钢，或者非晶合金。保护机构303可以采用金属注射成型(Metal injection Molding，MIM)工艺注射成型。成型时，可先将金属粉末与粘结剂的增塑混合料进行混合，然后将混合料进行制粒再注射成所需要的形状。
然而，刚性支撑条302为多个，保护机构303与刚性支撑条302数量相同，每个刚性支撑条的端面上连接一个保护机构303，工艺较为复杂。
并且，如图4所示，柔性屏设备在角跌时，由保护机构303和单个刚性支撑条302承受冲击，容易在保护机构303和单个刚性支撑条302的“T”字横竖交叉位置，也即图5中304处，发生变形或者断裂，使得折叠显示终端在跌落后出现柔性屏 显示异常等问题，对于柔性屏为外折叠的设备，上述问题尤其突出。
为进一步提高保护机构303对柔性屏10的防护作用，可以将刚性支撑条302中受跌落冲击的部位进行加强，或者利用转轴在刚性支撑条302的后侧辅助限位，分担一部分跌落冲击，或者如图5所示，增大柔性屏10与保护机构303之间的间隙，留大安全余量。
然而，由于刚性支撑条302的尺寸局限性，其结构强度不能无限制提升，虽然利用转轴在刚性支撑条302的后侧分担了一部分跌落冲击，但总的冲击能量太大，剩余的冲击能量依然会导致刚性支撑条302断裂或者变形；且柔性屏10与保护机构303之间的间隙过大，外观不美观。
与上述实施例中的保护机构303相比，本实施例中的第一保护机构2031承受跌落冲击的部位从刚性支撑条302上的保护机构303，变成转轴203上的第一保护机构2031。
如图6、图6a、图6b、图7、图8所示，可以在转轴203的一端设置第一保护机构2031，且该第一保护机构2031由转轴203的端面向柔性屏10的端面延伸，使得该第一保护机构2031和转轴203呈“L”型排布。
由此，通过设置第一保护机构2031，可以对柔性屏的弯折区103进行防护，避免折叠显示终端跌落造成柔性屏损坏。
其中，转轴203例如包括相对的第一端和第二端，第一保护机构2031可以设置于转轴203的其中一端，也可以在转轴203的两端分别设置该第一保护机构2031。
当折叠显示终端在折叠状态时，本申请实施例提供的第一保护机构2031位于柔性屏的弯折角处，可以保护柔性屏的弯折角，尤其可以对折叠状态的折叠显示终端的角跌进行防护，提高了折叠显示终端的防撞性能。
需要说明的是，本申请实施例对该第一保护机构的尺寸不做限制。其中，如图8所示，第一保护机构2031的头部2030，跌落时最先接触地面，其受到的冲击最大，可以适当增加该头部2030的面积或厚度，或者调整整个第一保护机构2031的尺寸，增大受力面积，提高折叠显示终端的抗冲击性能。
本申请实施例对第一保护机构2031的结构不做限制。其中，该第一保护机构2031例如包括：承载冲击头20311，承载冲击头20311例如高于或等于柔性屏10背离弯折支撑件30的表面，使得当折叠显示终端跌落时，该承载冲击头20311先于该柔性屏与碰撞点接触，增强了对柔性屏的防护，进一步提高了折叠显示终端的防撞性能。
其中，需要说明的是，柔性屏10包括相对的第一表面和第二表面，柔性屏10的第二表面例如通过胶层与折叠组件粘接固定，柔性屏10的第一表面为背离该胶层的表面。
本申请实施例对该第一保护机构2031和转轴203的连接方式不做限制。在本申请一种实现方式中，该第一保护机构2031与转轴203一体成型，可以提高第一保护机构2031和转轴203的连接强度，进一步提高了折叠显示终端的防撞性能。
在本申请另一种实现方式中，该第一保护机构2031与转轴203可拆卸连接。示例性的，如图7、图7a所示，第一保护机构2031包括：承载冲击头20311和凹部 20312，其中，凹部20312承载冲击头20311靠近转轴203的端面上。
其中，承载冲击头20311跌落时最先接触地面，其受到的冲击最大，承载冲击头20311抗冲击强度大于或等于转轴的抗冲击强度。例如，承载冲击头20311可以采用非晶金属、钛合金、合金元素焊料大于10％的高合金钢(例如防弹钢)等材料制成。
转轴203伸出柔性屏10的端面上设有凸部2035，所述凸部2035的端面尺寸小于所述转轴的端面尺寸。凹部20312与凸部2035的外形相匹配，凸部2035位于凹部20312中。由此，使得第一保护机构和转轴的连接面尺寸更大，提高了连接稳定性。其中，凹部20312的端面尺寸例如和转轴203的端面形状、尺寸相同，凹部20312和转轴203的端面可以紧密贴合。
本申请实施例对凸部的形状不做限制。在本申请一种实现方式中，如图7b所示，所述凸部的横截面为D形、规则的多边形或不规则形状。由此，可以避免凸部和凹部在使用时发生相对转动，提高了连接的稳定性。
本申请实施例对上述凸部和凹部的具体连接方式不做限制。凸部2035例如通过连接部件2034和凹部20312连接。
在本申请一种实现方式中，如图7b、图7c所示，连接部件2034为销钉或螺钉，凸部2035和凹部20312上例如设有与该连接部件2034匹配的连接孔，该连接部件2034例如穿设于凸部2035和凹部20312的连接孔内。需要更换或维修承载冲击头时，只需要将连接部件2034从连接孔中取出，就可以将第一保护机构与转轴分开。由此，第一保护机构和转轴可以通过连接部件2034可拆卸连接，便于组装和维修。
在本申请其他的实现方式中，也可以如图7d所示，不设置上述凹部和凸部，仅在转轴203的一端和第一保护机构2031上设置连接孔，并通过销钉或螺钉将转轴203和第一保护机构2031可拆卸连接。需要更换或维修承载冲击头时，只需要将连接部件2034从连接孔中取出，就可以将第一保护机构与转轴203分开。由此，第一保护机构和转轴可以通过连接部件2034可拆卸连接，便于组装和维修。
在本申请另一种实现方式中，如图8所示，连接部件2034包括：设置于所述凸部2035外表面的外螺纹，以及设置于所述凹部20312内表面的内螺纹，所述凸部2035与所述凹部20312螺纹连接，使用时，可以将凸部2035插入凹部20312中，并拧紧，需要拆卸该第一保护机构2031时，只需要沿反方向拧松，并分离凸部2035和凹部20312。由此，可以通过螺纹将第一保护机构和转轴可拆卸连接。
在本申请另一种实现方式中，如图9所示，该连接部件2034可以包括：可配合卡接的第一卡接件和第二卡接件，所述第一卡接件例如为卡勾，设置在所述凹部20312的内侧壁上，所述第二卡接件例如为锥形结构，设置在凸部2035的顶端。其中，所述第二卡接件可采用弹性材料制成，在外力作用下能够变形。由此，当第二卡接件在外力作用下收缩时，该第二卡接件例如可以进入卡槽，并且，当第二卡接件进入卡槽之后，卡扣头恢复形变，所述第一卡接件和所述第二卡接件配合卡接可使所述第一保护机构可拆卸卡接于所述转轴203上。
在本申请另一种实现方式中，凸部2035和凹部20312通过粘胶粘接固定。该粘胶例如可以是热熔胶。需要拆卸该第一保护机构2031时，可以沿远离转轴203的方向用力，将凸部2035和凹部20312分离，或者，可以加热该第一保护机构2031，使 得粘胶软化，再分离凸部2035和凹部20312。由此，凸部2035和凹部20312的连接结构更简单，便于批量生产。
本申请实施例对第一保护机构2031的材质不做限制。示例性的，该第一保护机构2031例如和转轴203的材质可以相同或不同。第一保护机构2031的材质包括但不限于：不锈钢、模具钢等合金钢，或者非晶合金。第一保护机构2031可以采用金属注射成型(Metal injection Molding，MIM)工艺注射成型。成型时，可先将金属粉末与粘结剂的增塑混合料进行混合，然后将混合料进行制粒再注射成所需要的形状。
其中，第一保护机构可以采用比转轴强度更高的材质，以获得更高的抗冲击强度，或者更好的缓冲效果，使用灵活性高。
此外，如图6c所示，可以对第一保护机构2031的端面图案2036进行定制，还可以对承载冲击头的造型进行定制，用户可以根据需要进行选择，这些均属于本申请的保护范围。并且，如图6d所示，还可以在承载冲击头20311上设置支架接口2037，使用时，可以将支架插入支架接口2037中，可以支撑折叠显示终端。其中，该支架接口2037可以用于车载支架，便于用户使用。
其中，上述实施例中，折叠显示终端受冲击零件在保护机构303与刚性支撑条302的连接位置是强度最薄弱点。本实施例中，折叠显示终端受冲击零件在第一保护机构2031与转轴203的连接位置是强度最薄弱点。其中，第一保护机构2031与转轴203的连接面尺寸大于保护机构303与刚性支撑条302的连接面尺寸，有利于提高折叠显示终端的抗冲击性能。
通常，刚性支撑条为多个，示例性的，如图2所示，刚性支撑条为5个，当然，也可以为7个或者更多，且刚性支撑条之间留有间隙。第一保护机构2031与转轴203的连接面尺寸约为保护机构303与刚性支撑条302连接面尺寸的5-6倍，在材质相同的情况下，转轴203的强度约为刚性支撑条强度的5-6倍，从而大幅度提升跌落防撞性能。
由此，本申请实施例提供的折叠组件，通过设置与转轴203连接的第一保护机构，与上述实施例中与弯折支撑件30的刚性支撑条连接的保护机构相比，能够将角跌时受冲击零件的强度提升5-6倍，从而避免该零件断裂、变形导致的柔性屏损坏。
接着参考图7，可以将弯折支撑件30的端面内缩，并在所述弯折支撑件的端面与所述边框之间设置弹性部件40。所述第一弹性部件40的材质包括但不限于硅胶。
由此，通过设置第一弹性部件40，可以在跌落时实现缓冲，同时，将弯折支撑件30的端面内缩，将第一保护机构2031设置在弯折支撑件外侧，其中，第一保护机构2031仅为1个，与上述实施例中保护机构303为多个相比，工艺更简单，能够大幅提升制造良率。
此外，如图7a所示，还可以在承载冲击头20311的头部设置第二弹性部件50，缓冲跌落对承载冲击头的冲击，提高折叠显示终端的抗冲击性能。
需要说明的是，第二弹性部件50可以套设在承载冲击头20311的头部，也可以在承载冲击头20311的头部设置若干盲孔，并将第二弹性部件填充在盲孔中。这些均属于本申请的保护范围。
接着参考图2、图3、图6，还可以在所述第一结构件201伸出所述柔性屏10的 周边的端面设置第二保护机构2011，以及在第二结构件202伸出所述柔性屏10的周边的端面设置第三保护机构2021。
由此，通过设置第二保护结构和第三保护结构，可以对柔性屏的周边进行防护。
其中，所述第二保护机构2011高于或等于所述柔性屏背离所述第一结构件201的表面。所述第三保护机构2021高于或等于所述柔性屏背离所述第二结构件的表面。
由此，在折叠显示终端跌落或产生碰撞时，第二保护机构和第三保护机构可以先于柔性屏与碰撞点接触，增强了对柔性屏的防护，进一步提高了折叠显示终端的防撞性能。
本申请实施例对该第二保护机构2011和第二结构件202，以及第三保护机构2021和第二结构件202的连接方式不做限制。
在本申请一种实现方式中，该第二保护机构2011和第一结构件201的材质相同，该第二保护机构2011和第一结构件201可以先分别成型，接着将第二保护机构2011和第一结构件201焊接连接在一起。
同理，该第三保护机构2021和第二结构件202的材质相同，该第三保护机构2021和第二结构件202可以先分别成型，接着将第三保护机构2021和第二结构件202焊接连接在一起。
在本申请另一种实现方式中，该第二保护机构2011和第二结构件202一体成型。由此，可以提高第二保护机构2011和第二结构件202的连接强度，进一步提高了折叠显示终端的防撞性能。
同理，该第三保护机构2021和第二结构件202一体成型。由此，可以提高第三保护机构2021和第二结构件202的连接强度，进一步提高了折叠显示终端的防撞性能。
本申请实施例对第二保护机构2011和第三保护机构2021的材质不做限制。示例性的，第二保护机构2011和第三保护机构2021的材质包括但不限于：铝合金。
第二保护机构2011和第三保护机构2021可以压铸成型，或通过数控加工得到。
为避免第一结构件201、第二结构件202在跌落惯性的影响下，在跌落方向与转轴203产生相对错动引起的柔性屏损坏，如图10、图11所示，所述折叠组件还包括：限位部件。
所述限位部件包括：凸起和凹部。
在本申请实施例的一种实现方式中，第一结构件201和第二结构件202上设有所述凸起，所述转轴上设有所述凹部。
示例性的，如图10、图11所示，所述第一结构件201上设有2个第二凸起2012，所述转轴上设有2个与所述第二凸起2012匹配的第二凹部2032，在折叠状态时，所述第二凸起2012位于所述第二凹部2032内，形成限位结构，避免第一结构件201相对转轴203发生位移错动。
同理，所述第二结构件202上设有2个第三凸起2022，所述转轴203上设有2个与所述第三凸起2022匹配的第三凹部2033，在折叠状态时，所述第三凸起2022位于所述第三凹部2033内，形成限位结构，避免第二结构件202相对转轴203发生 位移错动。
需要说明的是，本申请实施例对上述限位部件的数量不做限制，上述限位部件可以包括1组相互配合的凸起和凹部，也可以包括多组，本领域技术人员可根据需要设置，这些均属于本申请的保护范围。
在本申请实施例的另一种实现方式中，第一结构件201和第二结构件202上设有所述凹部，所述转轴上设有所述凸起，具体结构在此不再赘述。
由此，本申请实施例提供的折叠组件，通过第二凹部与第二凸起、第三凹部与第三凸起的配合，当折叠显示终端跌落时，能够大幅减小第一结构件、第二结构件相对于转轴的位移错动量，避免折叠显示终端跌落对柔性屏产生的剪切力造成的柔性屏损坏。
其中，该限位结构可以将位移错动量减小70％。
如图10所示，折叠组件20还包括第三结构件204和第四结构件214。所述第一结构件201上设有第一滑槽，所述第二结构件202上设有第二滑槽。
所述第三结构件204和所述第四结构件214可以为柱形结构的转动件，所述第三结构件204和所述第四结构件214的截面例如为圆形或多边形，本申请实施例对第三结构件和第四结构件的截面形状不做限制。第三结构件204的第一端与转轴203转动连接，第二端可以伸入所述第一滑槽内，并与所述第一滑槽滑动连接。使得当第一结构件201围绕所述转轴203的轴线O-O转动时，所述第一结构件201相对于所述第三结构件204，能够沿靠近或远离所述转轴203的方向滑动预设距离。
同理，第四结构件214的第一端与转轴203转动连接，第二端可以伸入所述第二滑槽内，并与所述第二滑槽滑动连接。使得当第二结构件202围绕所述转轴203的轴线O-O转动时，所述第二结构件202相对于所述第四结构件214，能够沿靠近或远离所述转轴203的方向滑动。
本申请实施例对第三结构件204与所述第一滑槽的连接方式以及第四结构件214与所述第二滑槽的连接方式不做限制，只需实现滑动连接即可。
在柔性屏10的折叠过程中，所述第一结构件201相对于所述第三结构件204，沿靠近所述转轴203的方向滑动，所述第二结构件202相对于所述第四结构件214，沿靠近所述转轴203的方向滑动。由此，第一结构件201能够相对于第三结构件204滑动，第二结构件214能够相对于第四结构件214滑动，可以释放部分弯折力，减小了对柔性屏的拉扯力，避免弯折过程中对柔性屏的拉扯力过大。
在柔性屏10的展开过程中，所述第一结构件201相对于所述第三结构件204，沿远离所述转轴203的方向滑动；所述第二结构件202相对于所述第四结构件214，沿远离所述转轴203的方向滑动。由此，第一结构件201能够相对于第三结构件204滑动，第二结构件214能够相对于第四结构件214滑动，可以释放部分伸展力，减小了对柔性屏的拉扯力，避免伸展过程中对柔性屏的拉扯力过大。
本申请实施例提供的转动机构，所述第三结构件与所述第一结构件滑动连接，所述第四结构件与所述第二结构件滑动连接，减小了第一结构件、第二结构件和转轴对柔性屏的拉扯力，提高了柔性屏的平整性。
以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任 何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (16)

  1. 一种折叠组件，其特征在于，所述折叠组件用于承载柔性屏；所述折叠组件包括：
    转轴；
    第一结构件、第二结构件；所述第一结构件与所述第二结构件通过所述转轴转动连接；
    第一保护机构，所述第一保护机构包括：承载冲击头，所述承载冲击头与所述转轴的一端可拆卸连接；
    其中，所述柔性屏包括：背离所述转轴的第一表面，所述承载冲击头高于或等于所述柔性屏的第一表面。
  2. 根据权利要求1所述的折叠组件，其特征在于，所述转轴的一端设有凸部，所述承载冲击头靠近所述转轴的端面上设有凹部，或，所述转轴的一端设有凹部，所述承载冲击头靠近所述转轴的端面上设有凸部，所述凸部与所述凹部可拆卸连接。
  3. 根据权利要求2所述的折叠组件，其特征在于，所述凸部和所述凹部通过粘胶粘接固定。
  4. 根据权利要求2所述的折叠组件，其特征在于，所述第一保护机构还包括：连接件，所述凸部和所述凹部上均设有与所述连接件匹配的连接孔，所述连接件穿设于所述凸部和所述凹部的连接孔中。
  5. 根据权利要求2所述的折叠组件，其特征在于，所述凸部的外侧壁上设有第一卡接件，所述凹部的内侧壁上设有第二卡接件，所述第一卡接件和所述第二卡接件配合卡接。
  6. 根据权利要求2-4任一项所述的折叠组件，其特征在于，所述凸部的横截面为D形、规则的多边形或不规则形状。
  7. 根据权利要求2所述的折叠组件，其特征在于，所述凸部的横截面为圆形、所述凸部的外表面设置有外螺纹，所述凹部的内表面设有与所述外螺纹匹配的内螺纹，所述凸部与所述凹部螺纹连接。
  8. 根据权利要求1-7任一项所述的折叠组件，其特征在于，还包括：第二保护机构和第三保护机构，
    所述第二保护机构与所述第一结构件伸出所述柔性屏周边的端面连接，所述第二保护机构高于或等于所述柔性屏的第一表面；
    所述第三保护机构与所述第二结构件伸出所述柔性屏周边的端面连接，所述第三保护机构高于或等于所述柔性屏的第一表面。
  9. 根据权利要求8所述的折叠组件，其特征在于，所述第二保护机构与所述第一结构件一体成型，所述第三保护机构与所述第二结构件一体成型。
  10. 根据权利要求1-9任一项所述的折叠组件，其特征在于，所述承载冲击头的端面上设有支架接口。
  11. 根据权利要求1-10任一项所述的折叠组件，其特征在于，还包括：
    弯折支撑件，位于所述转轴朝向所述柔性屏的一侧，并与所述转轴、所述第一结构件、所述第二结构件相连接；
    所述弯折支撑件包括柔性连接层，以及多条间隔的，且沿所述转轴轴线方向设置的刚性支撑条；所述刚性支撑条与所述柔性连接层相连接；所述柔性连接层通过胶层与所述柔性屏的弯折区相连接。
  12. 根据权利要求11所述的折叠组件，其特征在于，所述弯折支撑件的端面与所述承载冲击头之间设有第一弹性部件。
  13. 根据权利要求1-12任一项所述的折叠组件，其特征在于，所述承载冲击头的抗冲击强度大于或等于转轴的抗冲击强度，所述承载冲击头的材料包括非晶金属、钛合金、防弹钢。
  14. 根据权利要求1-13任一项所述的折叠组件，其特征在于，所述承载冲击头的头部设有第二弹性部件。
  15. 根据权利要求1-14任一项所述的折叠组件，其特征在于，
    所述第一结构件上设有第二凸起，所述转轴上设有与所述第二凸起匹配的第二凹部，所述第二凸起位于所述第二凹部内；
    所述第二结构件上设有第三凸起，所述转轴上设有与所述第三凸起匹配的第三凹部，所述第三凸起位于所述第三凹部内。
  16. 一种折叠显示终端，其特征在于，包括柔性显示屏，以及如权利要求1-15任一项所述的折叠组件；
    所述柔性显示屏的第一非弯折区与所述折叠组件中的第一结构件相连接；
    所述柔性显示屏的第二非弯折区与所述折叠组件中的第二结构件相连接；
    所述柔性显示屏的弯折区与所述折叠组件中的弯折支撑件相连接；
    其中，所述弯折区位于所述第一非弯折区和所述第二非弯折区之间。
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