WO2020169038A1 - 一种限位组件、滑动连接机构和可折叠电子设备 - Google Patents

一种限位组件、滑动连接机构和可折叠电子设备 Download PDF

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Publication number
WO2020169038A1
WO2020169038A1 PCT/CN2020/075785 CN2020075785W WO2020169038A1 WO 2020169038 A1 WO2020169038 A1 WO 2020169038A1 CN 2020075785 W CN2020075785 W CN 2020075785W WO 2020169038 A1 WO2020169038 A1 WO 2020169038A1
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WO
WIPO (PCT)
Prior art keywords
flexible screen
limit
structural member
fixedly connected
component
Prior art date
Application number
PCT/CN2020/075785
Other languages
English (en)
French (fr)
Inventor
马春军
刘雨
谢建
李政
包章珉
方君元
Original Assignee
华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2020169038A1 publication Critical patent/WO2020169038A1/zh

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    • 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
    • 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
    • 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

Definitions

  • the present application relates to the field of electronic equipment, and more specifically, to a limiting component, a sliding connection mechanism and a foldable electronic equipment.
  • OLED organic light-emitting diode
  • the flexible screen may be arched.
  • the bulging of the flexible screen may refer to the bulging of the flexible screen. Therefore, there is an urgent need to provide a method that can solve the arching problem of the flexible screen.
  • the present application provides a limit component, a sliding connection mechanism and a foldable electronic device.
  • the limit component can be used to solve the arching of the flexible screen of the foldable electronic device.
  • a limit component is provided, the limit component is used to carry a flexible screen component, and the limit component includes:
  • a first connecting member and a first structural member the first connecting member is connected with the first structural member, the first structural member is fixedly connected with the flexible screen assembly, the first connecting member includes a protruding part and a column part, The protruding portion is located at an end of the first connecting member away from the first structural member, and the distance between the plane on which the protruding portion is located and the plane on which the first structural member is located is a fixed distance in the first direction. One direction is perpendicular to the plane where the first structural member is located.
  • the limiting component further includes a second structural member, and the distance between the plane where the column portion of the first connecting member is located and the plane where the second structural member is located It is a fixed distance in the second direction, and the second direction is parallel to the plane where the first structural member is located.
  • the first connecting member is a screw, and the first structural member and the screw are screwed.
  • the limiting assembly further includes a second connecting member, and the first connecting member is connected to the first structural member, including: the first connecting member and the The second connecting member is connected, and the second connecting member is fixedly connected with the first structural member.
  • the first connecting member is a screw
  • the second connecting member is a nut
  • the screw and the nut are threaded
  • the fixed connection of the member includes: the nut and the first structural member are fixedly connected by glue; or the nut and the first structural member are fixedly connected by welding.
  • the first connecting member is a buckle, and the first structural member and the buckle are fixedly connected.
  • the first connecting member is a buckle
  • the second connecting member is a fixing block
  • the buckle and the fixing block are fixedly connected
  • the fixed connection with the first structural member includes: the fixed block and the first structural member are fixedly connected by glue; or the fixed block and the first structural member are fixedly connected by welding.
  • the first structural member is a reinforcing plate.
  • a sliding connection mechanism comprising: a limit component as in any one of the first aspect; a slider, the slider is located on a plane where the convex portion of the first connector is located and Between the planes where the first structural member is located, and the displacement of the sliding block in the first direction is zero.
  • the zero displacement in the first direction here includes that it is close to or infinitely close to zero, that is, the displacement in the first direction is very small, and there may be an appropriate gap before the slider can slide.
  • the slider is a cover plate.
  • a foldable electronic device comprising: two shells connected in rotation; a flexible screen assembly, the flexible screen assembly covering the two shells; as in any of the first aspect A limit component, the limit component is used to carry a flexible screen component; wherein, the limit component is slidably connected with the two shells, and the limit component is used to limit the flexible screen component and the shell in the first Displacement in one direction, the flexible screen assembly is fixedly connected with the first structural member of the limit assembly.
  • the limit component is slidably connected to the two housings, and the limit component is used to limit the displacement of the flexible screen component and the housing in a first direction, and the flexible screen component and the first limit component A structural member is fixedly connected.
  • each housing is provided with a sliding area, and the length direction of the sliding groove of each sliding area is perpendicular to the axial direction of the rotational connection of the two housings.
  • the limit component is assembled in the sliding groove of the sliding area.
  • the electronic device further includes a cover plate, wherein the cover plate and the two housings are respectively adhesively connected, and the flexible screen assembly and the cover plate The cover plate is fixedly connected, and the cover plate slides in the sliding groove of the sliding area along a second direction, the second direction being perpendicular to the axial direction of the rotational connection of the two shells.
  • a mobile terminal comprising: two housings that are rotatably connected; a flexible screen assembly, the flexible screen assembly covering the two housings; as in any of the first aspect A limit component, which is used to carry a flexible screen assembly; wherein the limit component is slidably connected to the two shells, and the limit component is used to limit the flexible screen assembly and the With respect to the displacement of the housing in the first direction, the flexible screen assembly is fixedly connected to the first structural member of the limiting assembly.
  • the first connecting member is a screw
  • the second connecting member is a nut
  • the screw and the nut are threaded
  • the fixed connection of the first structural member includes: the nut and the first structural member are fixedly connected by glue; or the nut and the first structural member are fixedly connected by welding.
  • the first structural member is a reinforcing plate.
  • the flexible screen assembly When the electronic device is folded, the flexible screen assembly is bent along with the rotation of the first housing and the second housing. Due to the multi-layer structure of the flexible screen assembly, the bending radius between different layers is different. When different layers are bent, arching will occur, and peeling will occur after multiple folding. Affect the use of electronic equipment.
  • the embodiments of the present application provide a limit component and a sliding connection mechanism to realize free sliding following the delamination of the flexible screen.
  • the upper and lower limits of the slider mechanism are realized in the Z-axis direction, thereby limiting the displacement of the flexible screen assembly in the bonding direction, and solving the problem of the flexible screen arching.
  • the sliding groove formed by the limit component, and the freely slidable slider mechanism formed by the limit component and the slider realize the upper and lower limit of the slider mechanism in the Z-axis direction, thereby restricting the flexible screen assembly from fitting The position in the direction.
  • the two sets of limit components of the present application are slidably connected to the two first shells and the second shell, and are used to define the relative vertical distance between the flexible screen assembly and the two shells.
  • One end of the limit component is fixedly connected to the flexible screen component, and the other end is slidably connected to the casing, thereby defining the casing by the length dimension of the limit component (the dimension perpendicular to the plane direction of the casing toward the flexible screen component)
  • the vertical distance to the flexible screen component therefore, the limit component during bending can improve the bending of the flexible screen component during bending, and improve the effect of the electronic device in use.
  • the arching position is close to its bend, that is, the position of the rotation axis. Therefore, when the two sets of limit components are set, the setting positions of the two sets of limit components are close to the corresponding shell One end of the rotating shaft can more effectively improve the arching situation and improve the use effect of electronic equipment.
  • the number of limit components in each group can be one or two or more.
  • the limit components can be arranged in a single row.
  • the arrangement direction is parallel to the axis when the two shells are connected in rotation, so that the arching can be improved more effectively, and the use effect of the electronic device can be improved.
  • the flexible screen assembly includes a flexible screen and a structural member arranged on the side of the flexible screen facing the housing.
  • the number of the structural member is two, and the two structural members can be used to fix the two groups respectively.
  • Limit components that is, one of the structural components is used to fix a group of limit components, and the other structural component is used to fix a group of limit components.
  • the two structural members avoid the bending area of the flexible screen, so as to prevent the additional structural members from affecting the bending of the electronic device.
  • each structural member it can be of different shapes such as rectangle, ellipse, or circle.
  • the structural member is rectangular, and its length direction is parallel to the direction of the rotation axis of the casing rotation connection.
  • the structure When the structure is fixedly connected with the limit component, it can be realized in different ways.
  • the structure of the limit component and the fixed connection method will be described below by using the reinforcing plate as the structural component to enhance the robustness of the flexible screen.
  • screws and reinforcing plates are used to form the limit components, and the fixing method of the reinforcing plates is directly locked through the screws and the cover plate.
  • the cover plate is locked on the reinforcing plate by screws to form a sliding block, and free sliding is realized in the sliding groove formed by the screw, the reinforcing plate and the middle frame.
  • the flexible screen assembly and the reinforcing plate are fixedly connected, the screws and the reinforcing plate are fixedly connected, and the screws lock the cover plate on the reinforcing plate and form a sliding groove with the middle frame.
  • the fixed connection between the screw and the reinforcing plate may refer to the hinged connection of the screw with the reinforcing plate through the thread on the screw cylinder.
  • the cover plate In the Z-axis direction, the cover plate is locked between the reinforcing plate and the head of the screw.
  • the cover plate can be used as a sliding block, which is limited up and down in the sliding groove, but can slide freely in the X-axis direction. Therefore, the limiting component and the fixing method can realize that the sliding block drags the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the lamination direction, and solves the problem of screen arching.
  • screws, nuts, and reinforcing plates are used to form the limit components, and the connection of the reinforcing plates is directly locked through the screws, nuts and cover plates.
  • the screw locks the cover plate on the nut to form a sliding block, which can slide freely in the sliding groove of the middle frame.
  • the flexible screen assembly and the reinforcing plate are fixedly connected, and the nut and the reinforcing plate are fixedly connected.
  • the screw and the nut are hinged and fixedly connected, and the screw locks the cover plate on the nut to form a sliding groove with the middle frame. In the Z-axis direction, the cover plate is locked between the nut and the head of the screw.
  • the cover plate can be used as a sliding block and is limited up and down in the sliding groove, but it can slide freely in the X-axis direction. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • connection area between the nut and the reinforcing plate can be fixed by glue. It should be understood that this application does not limit the type of glue used to connect the nut and the reinforcing plate, and does not limit the glue dispensing process.
  • connection area between the nut and the reinforcing plate can be fixed by welding. It should be understood that the present application is not limited to any welding process.
  • a buckle and a reinforcing plate are used to form a limit component, and the buckle and the reinforcing plate are fixedly connected.
  • the cover plate is buckled on the reinforcing plate by the buckle to form a sliding block, which can slide freely in the sliding groove of the middle frame.
  • the flexible screen assembly and the reinforcing plate are fixedly connected, and the buckle buckles the cover plate on the reinforcing plate to form a sliding groove with the middle frame.
  • the cover plate In the Z-axis direction, the cover plate is locked between the reinforcing plate and the head of the buckle.
  • the cover plate acts as a slider and is limited up and down in the sliding groove, but it can slide freely in the X-axis direction. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • a buckle, a fixing block and a reinforcing plate are used to form a limit component, and the buckle and the fixing block are fixedly connected.
  • the buckle buckles the cover plate on the fixed block to form a sliding block, which can slide freely in the sliding groove of the middle frame.
  • the flexible screen assembly and the reinforcing plate are fixedly connected, the fixed block is fixedly connected with the reinforcing plate, and the buckle buckles the cover plate on the fixed block to form a sliding groove with the middle frame.
  • the cover plate In the Z-axis direction, the cover plate is locked between the fixed block and the head of the buckle.
  • the cover plate can be used as a slider, which is limited up and down in the sliding groove shown by the dashed frame, but can be freely along the X-axis direction slide. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • connection area between the fixing block and the reinforcing plate can be fixed by glue. It should be understood that this application does not limit the type of glue used to connect the fixed block and the reinforcing plate, and does not limit the glue dispensing process.
  • connection area between the fixing block and the reinforcing plate can be fixed by welding. It should be understood that the present application is not limited to any welding process.
  • the setting of the limit component can improve the arching of the flexible screen component during bending. It should be understood that when the flexible screen assembly is arched, a part of the area close to the bent portion of the flexible screen assembly will be arched. Therefore, when setting each group of limit components, a different number can be used, such as one or more (two or more) to improve the arching of the flexible screen component. When one is used, the limiting component can be set close to the middle axis of the flexible screen component. When multiple limit components are used, an array or a single row arrangement can be used, but no matter which one is used, the arrangement direction of at least one row of the plurality of limit components is parallel to the axial direction of the housing when it is connected in rotation. To improve the arching problem of flexible screen components.
  • Fig. 1 is an expanded schematic diagram of a foldable electronic device provided by the present application.
  • Fig. 2 is a schematic diagram of an example of a foldable electronic device in a folded state provided by the present application.
  • Fig. 3 is a schematic diagram of an example of the layer structure of an electronic device provided by the present application in an unfolded state.
  • FIG. 4 is a schematic diagram of an example of the layer structure of an electronic device in a folded state provided by the present application.
  • Fig. 5 is a schematic diagram of an example of a limit component provided by an embodiment of the present application.
  • Fig. 6 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application.
  • Fig. 7 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • FIG. 8 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application.
  • FIG. 9 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application.
  • Fig. 10 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of an example of components provided by an embodiment of the present application.
  • FIG. 12 is a 3D schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application.
  • FIG. 14 is a schematic diagram of another example of a sliding connection mechanism provided by an embodiment of the present application.
  • FIG. 15 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application.
  • FIG. 16 is a schematic diagram of another example of a limit component provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of another example of a sliding connection mechanism provided by an embodiment of the present application.
  • FIG. 18 is a diagram of the relative positional relationship between the limit component and the flexible screen component provided by the embodiment of the application.
  • the position-limiting component of the embodiment of the present application can be applied to an electronic device with a foldable flexible screen.
  • the electronic device can be a mobile phone, a Pad, a notebook computer, etc.
  • Fig. 1 is an expanded schematic diagram of a foldable electronic device provided by the present application.
  • FIG 1 there are six different front (b) and back (f), bottom (c) and top (d), left (a) and right (e) sides of the electronic device.
  • 10 in the front view (b) is the flexible screen assembly of the electronic device
  • 20 and 30 in the back view (f) are the casings of the electronic device, such as the first casing and the second casing.
  • the dashed frame shows The bending area 40 of the electronic device.
  • Fig. 2 is a schematic diagram of an example of a foldable electronic device in a folded state provided by the present application.
  • the bending structure 40 may be a bending structure used in a known folding terminal, which will not be repeated here.
  • a commonly used rotating shaft and other components capable of rotatably connecting may also be used for rotatably connecting.
  • the foldable electronic device provided in the embodiment of the present application further includes a flexible screen assembly 10, which may include a multilayer display screen structure.
  • the flexible screen assembly 10 is fixedly connected to two housings. Taking the state of the foldable electronic device shown in Figure 1(b) as an example, the first housing 202 and the second housing 203 are arranged side by side in a curved The two opposite sides of the folding structure are respectively fixedly connected to the folding structure, and the flexible screen assembly 10 covers the first casing 20, the second casing 30 and the bending structure 40 mentioned above. During the connection, the edges of the flexible screen assembly 10 are respectively fixedly connected with the first housing 20 and the second housing 30, and different connection methods, such as adhesive connection, can be used for specific connection.
  • the distance between the first housing 20 and the second housing 30 is 0 degrees.
  • the flexible screen assembly 10 is bent and placed on the outer surface of the foldable electronic device.
  • the housing is referred to as a middle frame, such as the middle frame 20 and the middle frame 30.
  • the coordinate system shown in Figure 2 is established in this application, where the x, y, and z directions are perpendicular to each other, the z direction can be understood as the thickness direction of the electronic device, and the y direction can also be understood as the bending area of the electronic device.
  • the axis direction of the x direction is perpendicular to the y direction and parallel to the plane of the flexible screen in the unfolded state.
  • the coordinate axes mentioned in this application are all based on this coordinate system.
  • the bending area 40 may also be distributed horizontally, and the flexible screen may be folded up and down along the horizontally distributed bending area.
  • This application will take the left and right folding shown in FIG. 1 and FIG. 2 as an example to introduce a limit assembly and a sliding connection mechanism to solve the arching problem of the flexible screen folding process.
  • the limiting component and sliding connection mechanism provided in this application are also applicable to electronic devices that are folded up and down, which is not limited in this application.
  • the foldable electronic device can be folded in the direction facing the left and right screens in the unfolded configuration, and can also be folded in the direction opposite to the left and right screens.
  • the flexible screen assembly 10 shown in FIG. 2 is located on the folded outer surface as an example, which is not limited in this application.
  • FIG. 3 is a schematic diagram of the layer structure of an example of an electronic device provided by the present application in an unfolded state, and also a schematic diagram of the sliding direction.
  • the electronic device is in an unfolded state, and if it is cut along the section Y-Y, a cross-sectional view of the layer structure shown in FIG. 3 is obtained.
  • This application uses a three-layer structure as a schematic diagram for introduction, which is not limited in this application.
  • the flexible screen assembly 10 shown in FIG. 3 is a bendable display screen, such as an organic light emitting diode display screen.
  • the flexible screen includes a multilayer structure, such as the most basic cathode layer, organic light-emitting layer, and anode layer. Of course, it may also include an electron transport layer, a polarizer layer and other structures.
  • the flexible screen assembly 10 is fixedly connected with two shells (the middle frame 20 and the middle frame 30).
  • a PI layer 90 made of a transparent substrate is also included on the outside of the flexible screen assembly, and the PI layer 90 is fixedly connected to the flexible screen assembly 10.
  • the PI layer 90 may be a PI layer 90 made of a material with certain flexibility and rigidity such as thin glass or resin.
  • the PI layer 90 is fixedly connected to the middle frame, for example, by a connection method such as glue dispensing.
  • the bending area 40 of the flexible screen includes a simplified rotating structure.
  • the flexible screen assembly 10 and the rotating structure can be fixedly connected by dispensing glue.
  • the reinforcing plate 50 and the flexible screen assembly 10 shown in the shaded part are fixedly connected, for example, it can be fixedly connected by dispensing glue or the like.
  • the connection method of the reinforcing plate and the flexible screen assembly is not limited in this application.
  • the reinforcing plate is a structural part of the electronic device, and the flexible screen assembly used to strengthen the electronic device may belong to a structural part of the flexible screen assembly.
  • the surroundings of the middle frame 20 (i.e., the first housing 20) and the middle frame 30 (the second housing 30) are fixedly connected to the flexible screen assembly 10, for example, by means of glue dispensing.
  • Another part of the middle frame 30 is close to and fixedly connected to the rotating structure, and another part of the middle frame 20 is close to and fixedly connected to the rotating structure.
  • the back cover 70 and the middle frame 20 are fixedly connected to form a middle frame assembly with the middle frame 20.
  • the back cover 80 and the middle frame 30 are fixedly connected, and both belong to the structural parts of the electronic device.
  • the slider 60 and the reinforcing plate 50 are fixedly connected, the dashed frame 301 is the sliding area of the slider 60, and the slider 60 can slide in the sliding area shown by the dashed frame 301. In other words, the slider 60 can slide left and right along the X axis of the coordinate axis.
  • FIG. 4 is a schematic diagram of an example of the layer structure of an electronic device in a folded state provided by the present application. The connection relationship between the various structural members is described in the relevant description of FIG. 3, and will not be repeated here.
  • the flexible screen assembly 10 when the electronic device is in the folded state, since the flexible screen assembly includes a multi-layer structure, the flexible screen assembly 10 may be bent when different layers of the flexible screen assembly 10 are bent due to the stress in the bending area.
  • a variety of possible limit components and slider mechanisms are designed to achieve free sliding following the delamination of the flexible screen.
  • the upper and lower limits of the slider mechanism are realized in the Z-axis direction, thereby limiting the displacement of the flexible screen assembly in the bonding direction, and solving the problem of the flexible screen arching.
  • the delamination of the flexible screen is a phenomenon that inevitably exists during the bending process, and this delamination will release the tension of a part of the flexible screen components, thus helping to reduce the tension of part of the flexible screen. So it can help solve the problem of flexible screen arching.
  • the embodiments of the present application provide limit components with different designs.
  • the limit components provide a sliding area and combine with the slider to form a slider mechanism. Through the sliding of the slider in the sliding area, the traction reinforcing plate drives the movement of the flexible screen assembly.
  • the slider 60 When the electronic device is in the unfolded state, as shown in FIG. 3, the slider 60 is close to the bending area 40; when the electronic device is in the folded state, as shown in FIG. 4 As shown, the slider 60 is close to the edge areas of the middle frame 30 and the middle frame 20 along the sliding area 301 shown by the dashed frame.
  • the slidable distance of the slider 60 in the sliding area is denoted as L2, and it should be understood that L2 is greater than or equal to L1.
  • the flexible screen assembly will be driven by the design of the slider mechanism to pull the reinforcing plate, so that the flexible screen assembly 10 is in a free state during the folding process.
  • the Z-axis and Y-axis directions The position limit of the slider mechanism is realized, thereby limiting the position of the flexible screen assembly 10 in the bonding direction, which can solve the problem of screen arching.
  • Fig. 5 is a schematic diagram of an example of a limit component provided by an embodiment of the present application. As shown in FIG. 5, the flexible screen assembly 10 and the reinforcing plate 50 are fixedly connected, and a sliding area 301 is formed by the head protrusion of the screw 501, the reinforcing plate 50 and the middle frame 30.
  • FIG. 5 is a cross-sectional view of the Y-Y section
  • FIG. 6 is a cross-sectional view of the X-X section.
  • the range of the sliding area is defined by the middle frame 30 and the screw cylinder.
  • the boundary of the sliding area 301 on the side close to the flexible screen assembly is the reinforcing plate, and the side facing away from the flexible screen assembly The boundary is the head boss of the screw 501.
  • the screws 501 are fixed on the reinforcing plate 50 and form a sliding groove shown by the dashed frame 301 with the middle frame 30.
  • FIG. 7 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • the structural member cover is used as the sliding block 60, and the screw 501 locks the sliding block 60 on the reinforcing plate 50, and forms a sliding groove shown by the dashed frame 301 with the middle frame 30.
  • the reinforcing plate 50 includes threaded holes, and the screw 501 and the reinforcing plate 50 are connected in a threaded connection.
  • the cover plate 60 is locked between the reinforcing plate 50 and the boss of the screw 501, and the cover plate 60 is used as a slider, which is locked in the sliding groove shown by the dashed frame 301 The upper and lower limit, but can slide freely along the X axis. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • screws and nuts are used as connecting parts, and the reinforcing plate is used as a structural part.
  • the nut is directly fixed to the reinforcing plate and the screw and nut are threaded for limiting.
  • FIG. 8 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application. As shown in FIG. 8, the flexible screen assembly 10 and the reinforcing plate 50 are fixedly connected, and the nut 502 is fixedly connected to the reinforcing plate 50.
  • the connection area 802 between the screw 501 and the nut 502 is a threaded connection.
  • FIG. 8 is a cross-sectional view of the Y-Y section
  • FIG. 9 is a cross-sectional view of the X-X section.
  • the range of the sliding area is defined by the middle frame 30 and the nut cylinder.
  • the boundary of the sliding area 301 near the flexible screen assembly is the boss of the nut 502, which is away from the flexible screen assembly.
  • the boundary on the side is the head boss of the screw 501.
  • the screw 501 is fixed on the reinforcing plate 50 and forms a sliding groove shown by the dashed frame 301 with the nut 502 and the middle frame 30.
  • FIG. 10 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • the structural member cover is used as the sliding block 60, and the screw 501 locks the sliding block 60 on the reinforcing plate 50, and forms the sliding groove shown by the dashed frame 301 with the middle frame 30.
  • the cover plate 60 serves as a slider, and is limited up and down in the sliding groove shown by the dashed frame 301, but can slide freely in the X-axis direction. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • connection area 801 between the nut 502 and the reinforcing plate 50 may be fixed by glue. It should be understood that the present application does not limit the type of glue used to connect the nut 502 and the reinforcing plate 50, and does not limit the glue dispensing process.
  • connection area 801 between the nut 502 and the reinforcing plate 50 may be fixed by welding. It should be understood that the present application is not limited to any welding process.
  • FIG. 11 is a schematic diagram of an example of components provided by an embodiment of the present application.
  • FIG. 12 is a 3D schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • the connection relationship among the screw 501, the nut 502, the middle frame 30 of the structural member, the reinforcing plate 50, and the cover plate 60 are shown in Figs. 11 and 12, and will not be repeated here.
  • the buckle is used as the connecting part, and the reinforcing plate is used as the structural part, and the buckle is directly connected to the reinforcing plate for limit.
  • FIG. 13 is a schematic diagram of another example of a limiting component provided by an embodiment of the present application. As shown in FIG. 13, the flexible screen assembly 10 and the reinforcing plate 50 are fixedly connected, and the buckle 12 and the reinforcing plate 50 are fixedly connected.
  • FIG. 13 is a cross-sectional view of the X-X section.
  • the range of the sliding area is defined by the middle frame 30 and the buckle cylinder.
  • the boundary of the sliding area 301 on the side close to the flexible screen assembly is the reinforcing plate 50, which is away from the flexible screen assembly.
  • the side boundary is the head boss of the buckle 12.
  • the buckle 12 is fixed on the reinforcing plate 50 and forms a sliding groove shown by a dashed frame 301 with the middle frame 30.
  • FIG. 14 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • the structural member cover is used as the sliding block 60, and the buckle 12 locks the sliding block 60 on the reinforcing plate 50, and forms a sliding groove shown by the dashed frame 301 with the middle frame 30.
  • the cover plate 60 serves as a slider, and is limited up and down in the sliding groove shown by the dashed frame 301, but can slide freely in the X-axis direction. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • the buckle and the fixed block are used as the connecting parts, and the reinforcing plate is used as the structural part.
  • the clamp is directly connected to the fixed block and the fixed block and the reinforcing plate are fixedly connected. Bit.
  • FIG. 15 and FIG. 16 are schematic diagrams of another example of a limit component provided by an embodiment of the present application.
  • the flexible screen assembly 10 is fixedly connected to the reinforcing plate 50
  • the buckle 12 is fixedly connected to the fixing block 13
  • the fixing block is fixedly connected to the reinforcing plate 50.
  • FIG. 15 is a cross-sectional view of the Y-Y section
  • FIG. 16 is a cross-sectional view of the X-X section.
  • the range of the sliding area is defined by the middle frame 30 and the buckle cylinder.
  • the boundary of the sliding area 301 on the side close to the flexible screen assembly is the boundary of the fixed block 13, which is away from the flexible screen assembly.
  • the boundary on one side is the head boss of the buckle 12.
  • the buckle 12 and the fixing block 13 are fixed on the reinforcing plate 50 together, and form a sliding groove shown by a dashed frame 301 with the middle frame 30.
  • FIG. 17 is a schematic diagram of an example of a sliding connection mechanism provided by an embodiment of the present application.
  • the structural member cover is used as the slider 60, the buckle 12, the fixed block 13, and the middle frame 30, and the slider 60 is confined in the sliding groove shown by the dashed frame 301 to realize sliding in the X-axis direction.
  • the cover plate 60 serves as a slider, and is limited up and down in the sliding groove shown by the dashed frame 301, but can slide freely in the X-axis direction. Therefore, the position-limiting component and the fixing method can realize that the slider pulls the reinforcing plate to slide freely in the X-axis direction, while restricting the position of the flexible screen component in the bonding direction, and solves the problem of screen arching.
  • connection area 304 between the fixing block 13 and the reinforcing plate 50 may be fixed by glue. It should be understood that the present application does not limit the type of glue used to connect the fixing block 13 and the reinforcing plate 50, and does not limit the glue dispensing process.
  • connection area 304 between the fixing block 13 and the reinforcing plate 50 can be fixed by welding. It should be understood that the present application is not limited to any welding process.
  • the traction reinforcing plate drives the flexible screen assembly to move, so that the flexible screen assembly is in a free state during the folding process.
  • the upper and lower limits of the slider mechanism are realized in the Z-axis direction, thereby limiting the position of the flexible screen assembly in the bonding direction, and solving the problem of screen arching.
  • the setting of the limit component can improve the arching of the flexible screen component during bending. It should be understood that when the flexible screen assembly is arched, a part of the area close to the bent portion of the flexible screen assembly will be arched. Therefore, when setting each group of limit components, a different number can be used, such as one or more (two or more) to improve the arching of the flexible screen component.
  • the “fixed connection” mentioned in this application can be understood as fixing the components through various methods such as glue dispensing and welding, and the “sliding connection” can be understood as meaning that the components are not fixed through various methods such as glue dispensing and welding.
  • fixing for example, there is a sliding connection between the limit component and the housing.
  • FIG. 18 is a diagram of the relative positional relationship between the limit component and the flexible screen component provided by the embodiment of the application.
  • the limit component 18 or the limit component 19 can be arranged at a position close to the middle axis of the flexible screen component 1100.
  • an array or a single row arrangement can be used, but no matter which one is used, the arrangement direction of at least one row of the plurality of limit components is parallel to the axial direction of the housing when it is connected in rotation. To improve the arching problem of flexible screen components.
  • an element described in the embodiment of this application is “fixed” to another element, and the element can be directly or indirectly fixed to another element; in the same way, one element described in the embodiment of this application is “connected to another element” ", can be a direct connection or an indirect connection.
  • the limit in this application includes but is not limited to the displacement limit on the Z axis.
  • the limit component can also be used to indicate the relative position of multiple components.

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Abstract

本申请提供了一种限位组件、滑动连接机构和可折叠电子设备，该电子设备包括：转动连接的两个壳体；柔性屏组件，该柔性屏组件覆盖在该两个壳体上，且柔性屏组件的边沿与两个壳体分别粘接连接；限位组件，该限位组件与该柔性屏组件固定连接，该限位组件与该两个壳体滑动连接，且该限位组件用于限定该柔性屏组件与该壳体在第一方向上的位移，该第一方向垂直于该壳体或该柔性屏组件所在的平面。本申请通过设计滑动连接机构，实现跟随柔性屏分层错动而自由滑动。同时，通过滑动槽的结构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位移，解决柔性屏起拱的问题。

Description

一种限位组件、滑动连接机构和可折叠电子设备
本申请要求在2019年2月23日提交中国国家知识产权局、申请号为201910134771.2、发明名称为“一种限位组件、滑动连接机构和可折叠电子设备”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
本申请涉及电子设备领域，更具体地，涉及一种限位组件、滑动连接机构和可折叠电子设备。
背景技术
随着柔性有机发光二极管(organic light-emitting diode，OLED)技术的日渐成熟，具有可折叠的显示屏的电子设备(例如，可折叠手机)将会成为未来几年的主流方向，柔性OLED又称为柔性屏。
对于具有可折叠的柔性屏的电子设备，在柔性屏的折叠过程中，会引起柔性屏的起拱。其中，柔性屏的起拱可以指柔性屏的鼓起等。因此，亟需提供一种方法，可以解决柔性屏的起拱问题。
发明内容
本申请提供一种限位组件、滑动连接机构和可折叠电子设备，该限位组件可以用于解决可折叠电子设备的柔性屏起拱。
第一方面，提供了一种限位组件，该限位组件用于承载柔性屏组件，该限位组件包括：
第一连接件和第一结构件，该第一连接件与该第一结构件连接，该第一结构件与该柔性屏组件固定连接，该第一连接件包括凸起部分和柱体部分，该凸起部分位于该第一连接件背离该第一结构件的一端，该凸起部分所在的平面与该第一结构件所在的平面之间的距离为第一方向上的固定距离，该第一方向垂直于该第一结构件所在的平面。
结合第一方面，在一种可能的实现方式中，该限位组件还包括第二结构件，该第一连接件的柱体部分所在的平面与该第二结构件所在的平面之间的距离为第二方向上的固定距离，该第二方向平行于该第一结构件所在的平面。
结合第一方面和上述方式，在一种可能的实现方式中，该第一连接件是螺钉，该第一结构件和该螺钉为螺纹连接。
结合第一方面和上述方式，在一种可能的实现方式中，该限位组件还包括第二连接件，该第一连接件与该第一结构件连接，包括：该第一连接件与该第二连接件连接，该第二连接件与该第一结构件固定连接。
结合第一方面和上述方式，在一种可能的实现方式中，该第一连接件是螺钉，该第二连接件为螺母，该螺钉和该螺母为螺纹连接，以及该螺母和该第一结构件固定连接，包括： 该螺母和该第一结构件通过胶水粘黏固定连接；或者该螺母和该第一结构件通过焊接固定连接。
结合第一方面和上述方式，在一种可能的实现方式中，该第一连接件是卡扣，该第一结构件和该卡扣为固定连接。
结合第一方面和上述方式，在一种可能的实现方式中，该第一连接件是卡扣，该第二连接件为固定块，该卡扣和该固定块为固定连接，以及该固定块和该第一结构件固定连接，包括：该固定块和该第一结构件通过胶水粘黏固定连接；或者该固定块和该第一结构件通过焊接固定连接。
结合第一方面和上述方式，在一种可能的实现方式中，第一结构件为补强板。
第二方面，提供了一种滑动连接机构，该滑动连接机构包括：如第一方面中任一项限位组件；滑块，该滑块位于该第一连接件的凸起部分所在的平面与该第一结构件所在的平面之间，且该滑块在该第一方向上的位移为零。
应理解，这里第一方向上的位移为零包括指接近或者无限接近于零，即第一方向上的位移非常微小，可能会有适当的间隙，滑块才能滑动。
结合第二方面，在一种可能的实现方式中，滑块为盖板。
第三方面，提供了一种可折叠的电子设备，该电子设备包括：转动连接的两个壳体；柔性屏组件，该柔性屏组件覆盖在该两个壳体上；如第一方面中任一项限位组件，该限位组件用于承载柔性屏组件；其中，该限位组件与该两个壳体滑动连接，且该限位组件用于限定该柔性屏组件与该壳体在第一方向上的位移，该柔性屏组件与该限位组件的第一结构件固定连接。其中，该限位组件与该两个壳体滑动连接，且该限位组件用于限定该柔性屏组件与该壳体在第一方向上的位移，该柔性屏组件与该限位组件的第一结构件固定连接。
结合第三方面，在一种可能的实现方式中，该每个壳体上设置有滑动区域，且每个滑动区域的滑槽的长度方向垂直于该两个壳体转动连接的轴线方向，该限位组件装配在该滑动区域的滑槽内。
结合第三方面和上述实现方式，在一种可能的实现方式中，该电子设备还包括盖板，其中，该盖板与该两个壳体分别粘接连接，该柔性屏组件与该盖板固定连接，且该盖板在该滑动区域的滑槽内沿第二方向滑动，该第二方向垂直于该两个壳体转动连接的轴线方向。
第四方面，提供了一种移动终端，所述移动终端包括：转动连接的两个壳体；柔性屏组件，所述柔性屏组件覆盖在所述两个壳体上；如第一方面中任一项限位组件，该限位组件用于承载柔性屏组件；其中，所述限位组件与所述两个壳体滑动连接，且所述限位组件用于限定所述柔性屏组件与所述壳体在第一方向上的位移，所述柔性屏组件与所述限位组件的第一结构件固定连接。
结合第四方面，在一种可能的实现方式中，所述第一连接件是螺钉，所述第二连接件为螺母，所述螺钉和所述螺母为螺纹连接，以及所述螺母和所述第一结构件固定连接，包括：所述螺母和所述第一结构件通过胶水粘黏固定连接；或者所述螺母和所述第一结构件通过焊接固定连接。
结合第四方面和上述实现方式，在一种可能的实现方式中，所述第一结构件为补强板。
在电子设备折叠时，柔性屏组件随着第一壳体及第二壳体的转动被折弯，由于柔性屏 组件包含的多层结构造成不同层之间的折弯的半径不同，柔性屏组件不同层弯曲时会出现起拱的现象，多次折叠后还会出现剥离现象。影响电子设备的使用效果。
为此，在本申请实施例提供一种限位组件、滑动连接机构，实现跟随柔性屏分层错动而自由滑动。同时，通过滑动槽的结构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位移，解决柔性屏起拱的问题。
此外，通过限位组件形成的滑动槽，以及通过限位组件和滑块形成可自由滑动的滑块机构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位置。本申请的两组限位组件与两个第一壳体及第二壳体滑动连接，用于限定柔性屏组件与两个壳体之间的相对垂直距离。该限位组件的一端与柔性屏组件固定连接，另一端与壳体滑动连接，从而通过限位组件的长度尺寸(在垂直于壳体朝向柔性屏组件的平面方向上的尺寸)限定了壳体与柔性屏组件的垂直距离，因此，在折弯时通过限位组件可以改善柔性屏组件在折弯时出现起拱的情况，提高电子设备在使用时的效果。
柔性屏组件在起拱时，起拱的位置靠近其弯折处，即转动轴的位置，因此，在设置两组限位组件时，该两组限位组件的设置位置靠近对应的壳体靠近其转动轴的一端，从而可以更有效地改善起拱的情况，提高电子设备的使用效果。
应理解，本申请对限位组件的数量和排布方式不做限定。在具体设置每组限位组件时，每组限位组件的个数可以为一个或者两个及两个以上，在采用两个及两个以上时，限位组件可以采用单排排列的方式排列，且排列的方向平行于两个壳体转动连接时的轴线，从而可以更有效地改善起拱的情况，提高电子设备的使用效果。
为了增加柔性屏组件的刚度，本申请中不限定柔性屏组件中包括的结构件的层数，例如本申请实施例部分的补强板等结构件。在一种可能的设计中，该柔性屏组件包括柔性屏以及设置在柔性屏朝向壳体一面的结构件，该结构件的个数为两个，且两个结构件可分别用于固定两组限位组件，即其中的一个结构件用于固定一组限位组件，另一个结构件用于固定量一组限位组件。
还应理解，在设置两个结构件时，两个结构件避让开柔性屏的折弯区域，以避免增加的结构件影响到电子设备的折弯。对于每个结构件，可以为矩形、椭圆形或者圆形等不同的形状。在一种可能的设计式中，该结构件为矩形，且其长度方向平行于壳体转动连接的转动轴方向。
在结构件与限位组件固定连接时，可以采用不同的方式实现，下面将以补强板作为增强柔性屏强固性的结构件，分别对限位组件的结构和固定连接方式进行说明。
在一种可能的设计中，采用螺钉和补强板形成限位组件，并通过螺钉和盖板直接锁定补强板的固定方式。换言之，通过螺钉将盖板锁在补强板上形成滑块，在螺钉、补强板和中框形成的滑槽内实现自由滑动。
具体地，柔性屏组件和补强板固定连接，螺钉和补强板固定连接，且螺钉将盖板锁在补强板上，与中框形成滑动槽。
可选地，螺钉和补强板的固定连接可以指螺钉通过螺杆柱体上的螺纹和补强板铰制连接。
在Z轴方向上，盖板被锁在补强板和螺钉的头部之间，盖板可以作为滑块，在滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑 块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
在另一种可能的设计中，采用螺钉、螺母和补强板形成限位组件，并通过螺钉、螺母和盖板直接锁定补强板的连接方式。换言之，通过螺母与补强板胶水固定，螺钉把盖板锁在螺母上，形成滑块，在中框的滑槽内实现自由滑动。
具体地，柔性屏组件和补强板固定连接，螺母与补强板之间固定连接。螺钉和螺母铰制固定连接，且螺钉将盖板锁在螺母上，与中框形成滑动槽。在Z轴方向上，盖板被锁在螺母和螺钉的头部之间，盖板可以作为滑块，在滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
可选地，螺母与补强板之间的连接区域可以通过胶水固定。应理解，本申请对用于连接螺母与补强板的胶水的型号不做限定，对点胶工艺不做限定。
或者，螺母与补强板之间的连接区域可以通过焊接的方式实现固定。应理解，本申请不限于任何制程的焊接方式。
在另一种可能的设计中，采用卡扣和补强板形成限位组件，卡扣和补强板固定连接。换言之，通过卡扣将盖板扣在补强板上，形成滑块，在中框的滑槽内实现自由滑动。
具体地，柔性屏组件和补强板固定连接，卡扣将盖板扣在补强板上，与中框形成滑动槽。在Z轴方向上，盖板被锁在补强板和卡扣的头部之间，盖板作为滑块，在滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
在另一种可能的设计中，采用卡扣、固定块和补强板形成限位组件，卡扣和固定块固定连接。换言之，通过固定块与补强板固定连接，卡扣将盖板扣在固定块上，形成滑块，在中框的滑槽内实现自由滑动。
具体地，柔性屏组件和补强板固定连接，固定块与补强板固定连接，卡扣将盖板扣在固定块上，与中框形成滑动槽。在Z轴方向上，盖板被锁在固定块和卡扣的头部之间，盖板可以作为滑块，在虚线框所示的滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
可选地，固定块与补强板之间的连接区域可以通过胶水固定。应理解，本申请对用于连接固定块与补强板的胶水的型号不做限定，对点胶工艺不做限定。
或者，固定块与补强板之间的连接区域可以通过焊接的方式实现固定。应理解，本申请不限于任何制程的焊接方式。
通过上述设计的多种可能的限位组件和滑块机构，在实现跟随柔性屏分层错动而自由滑动。同时，通过滑动槽的结构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位移，解决柔性屏起拱的问题。
此外，通过设置的限位组件可以改善柔性屏组件在折弯时的起拱情况。应理解，柔性屏组件在起拱时，靠近其折弯部的一部分区域均会出现起拱的情况。因此，在设置每组限位组件时，可以采用不同的个数，如采用一个或者多个(两个及两个以上)来改善柔性屏 组件的起拱情况。在采用一个时，可以将该限位组件设置在靠近柔性屏组件中间轴线的位置。在采用多个限位组件时，可以采用阵列的方式或者单排排列的方式，但是无论采用那种，该多个限位组件至少有一排的排列方向平行于壳体转动连接时的轴线方向，以改善柔性屏组件的起拱问题。
附图说明
图1是本申请提供的可折叠的电子设备展开示意图。
图2是本申请提供的一例可折叠的电子设备折叠状态的示意图。
图3是本申请提供的一例电子设备展开状态时的层结构示意图。
图4是本申请提供的一例电子设备折叠状态的层结构示意图。
图5是本申请实施例提供的一例限位组件示意图。
图6是本申请实施例提供的又一例限位组件示意图。
图7是本申请实施例提供的一例滑动连机构示意图。
图8是本申请实施例提供的又一例限位组件示意图。
图9是本申请实施例提供的又一例限位组件示意图。
图10是本申请实施例提供的一例滑动连机构示意图。
图11是本申请实施例提供的一例部件示意图。
图12是本申请实施例提供的一例滑动连机构3D示意图。
图13是本申请实施例提供的又一例限位组件示意图。
图14是本申请实施例提供的又一例滑动连机构示意图。
图15是本申请实施例提供的又一例限位组件示意图。
图16是本申请实施例提供的又一例限位组件示意图。
图17是本申请实施例提供的又一例滑动连机构示意图。
图18为本申请实施例提供的限位组件与柔性屏组件的相对位置关系图。
其中，各个部件名称列举如下：柔性屏组件10、中框(第一壳体)20、中框(第二壳体)30、转动轴40、补强板50、盖板(滑块)60、背盖70、背盖80、透明PI层90、卡扣12、固定块13，以上名称和标号在本申请实施例中通用。
具体实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行描述。
本申请实施例的限位组件可以应用于具有可折叠的柔性屏的电子设备中，例如，该电子设备可以是手机、Pad、笔记本电脑等。
图1是本申请提供的可折叠的电子设备展开示意图。如图1所示，分别是该电子设备正面(b图)和背面(f图)、底面(c图)和顶面(d图)、左面(a图)和右面(e图)六个不同的角度的外观示意图。其中，正面视图(b)中10为电子设备的柔性屏组件，背面视图(f)中20和30为电子设备的壳体，例如第一壳体和第二壳体，虚线框示出的是电子设备的弯折区域40。
图2是本申请提供的一例可折叠的电子设备折叠状态的示意图。如图2中所示，在两个壳体转动到折叠状态(0度)时，弯折结构40发生形变并且第一壳体20及第二壳体30 层叠。其中的弯折结构40可以为已知的折叠终端中采用的弯折结构，在此不予赘述。此外，第一壳体20及第二壳体30转动连接时，还可以采用常用的转轴等能够实现转动连接的部件进行转动连接。
参考图1，在本申请实施例提供的可折叠的电子设备还包括一个柔性屏组件10，该柔性屏组件可以包括多层显示屏结构。该柔性屏组件10与两个壳体固定连接，以图1中(b)图所示的可折叠的电子设备的状态为例，第一壳体202及第二壳体203并排设置在了弯折结构相对的两侧，并分别与弯折结构固定连接，而柔性屏组件10覆盖在上述的第一壳体20、第二壳体30以及弯折结构40上。在连接时，柔性屏组件10的边沿分别与第一壳体20、第二壳体30固定连接，且在具体连接时可以采用不同的连接方式，如粘接连接。在可折叠的电子设备折叠时，如图2中所示第一壳体20和第二壳体30之间为0度，当第一壳体20及第二壳体30处于层叠的状态时，柔性屏组件10被折弯且处于可折叠的电子设备的外表面。在本申请实施例的描述中，将壳体称为中框，例如中框20和中框30。
此外，在本申请中建立如图2所示坐标系，其中，x、y和z方向两两垂直，z方向可以理解为电子设备的厚度方向，y方向也可以理解为电子设备的弯折区域的轴线方向，x方向与y方向垂直，且平行于柔性屏幕处于展开状态的平面。本申请中所提到的坐标轴都以此坐标系为基准。
应理解，对于任一种可折叠的电子设备，弯折区域40还可以横向分布，柔性屏可以沿横向分布的弯折区域进行上下折叠。本申请将以图1和图2中示出的左右折叠为例，介绍一种限位组件、滑动连接机构，解决柔性屏折叠过程的起拱问题。本申请提供的限位组件、滑动连接机构，同样适用于上下折叠的电子设备，本申请对此不作限定。
还应理解，该可折叠的电子设备在展开形态下可以朝着左屏和右屏相面对的方向折叠，也可以朝着左屏和右屏相背对的方向折叠，本申请的实施例描述中，以图2示出的柔性屏组件10位于折叠后的外表面为例进行介绍，本申请对此不作限定。
图3是本申请提供的一例电子设备展开状态时的层结构示意图，也是滑动方向的示意图。电子设备处于展开状态，如果沿截面Y-Y切开，得到图3所示的层结构的剖视图，本申请以三层结构为示意图进行介绍，本申请对此不作限定。
首先，对电子设备的层结构进行简单的说明。如图3中所示，在图3中所示的柔性屏组件10为可折弯的显示屏，如机发光二极管显示屏。该柔性屏包含有多层结构，如包含最基本的阴极层、有机发光层及阳极层，当然还可以包括电子传输层、偏光片层等结构。柔性屏组件10与两个壳体(中框20和中框30)进行固定连接。
在柔性屏组件的外侧还包括一层由透明基材制备的PI层90，该PI层90和柔性屏组件10固定连接。PI层90可以是如薄玻璃、树脂等具有一定柔韧性及刚度的材质制备的PI层90。该PI层90和分别和中框进行固定连接，例如点胶等连接方式进行固定。
柔性屏的弯折区域40包括简化的转动结构。该柔性屏组件10与转动结构可以通过点胶的方式固定连接。阴影部分示出的补强板50和柔性屏组件10固定连接，例如可以通过点胶等方式固定连接，本申请中对补强板和柔性屏组件的连接方式不做限定。
应理解，补强板是电子设备的结构件，用于强固电子设备的柔性屏组件，可以属于柔性屏组件的一个结构件。
中框20(即第一壳体20)和中框30(第二壳体30)的四周和柔性屏组件10固定连 接，例如可以通过点胶的方式固定连接。中框30的另一部分靠近并且固定连接转动结构，中框20的另一部分靠近并且固定连接转动结构。
背盖70和中框20固定连接，可以和中框20形成中框组件，同样地，背盖80和中框30固定连接，都属于电子设备的结构件。
滑块60和补强板50固定连接，虚线框301为滑块60的滑动区域，滑块60可以在虚线框301所示的滑动区域进行滑动。换言之，滑块60可以实现沿坐标轴的X轴的左右滑动。
图4是本申请提供的一例电子设备折叠状态的层结构示意图。各个结构件之间的连接关系参加图3的相关描述，这里不再赘述。
如图4所示，电子设备处于折叠状态时，由于柔性屏组件包含多层结构，柔性屏组件10会因为弯折区域的应力，柔性屏组件10不同层弯曲时会出现起拱的现象。本申请中设计多种可能的限位组件和滑块机构，在实现跟随柔性屏分层错动而自由滑动。同时，通过滑动槽的结构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位移，解决柔性屏起拱的问题。
应理解，柔性屏的分层错动是一个在弯折过程中必然存在的现象，而这个分层错动，释放了一部分柔性屏组件的张力，因而帮助减少了部分柔性屏起拱的张力，因而可以帮助解决柔性屏起拱的问题。
为了解决柔性屏在弯折过程中出现的起拱问题，本申请实施例提供了不同设计形式的限位组件，通过该限位组件提供滑动区域，结合滑块形成滑块机构。通过滑块在滑动区域的滑动，牵引补强板带动柔性屏组件运动。在滑块机构牵引补强板带动性屏组件运动过程中，当电子设备处于展开状态时，如图3所示，滑块60靠近弯折区域40；当电子设备处于折叠状态时，如图4所示，滑块60沿虚线框示出的滑动区域301靠近中框30和中框20的边沿区域。滑块60在滑动区域的可滑动距离记作L2，应理解，L2大于或等于L1。
还应理解，通过滑块的滑动，牵引补强板滑动，保证柔性屏组件各层之间的错动，减小弯折过程中的张力。反之，如果柔性屏组件各层之间的错动不顺利，则弯折过程中的张力就会变非常大，甚至很难弯折。
具体地，本申请将通过设计滑块机构牵引补强板带动柔性屏组件运动，从而使得柔性屏组件10在折叠过程中处于自由状态，同时，通过滑动槽的结构，在Z轴和Y轴方向实现对滑块机构的限位，从而限制柔性屏组件10在贴合方向上的位置，能够解决屏幕起拱的问题。
首先，对本申请提供的限位组件的不同形式进行介绍。
限位组件和滑动连接机构类型一
在第一种类型的限位组件中，采用螺钉作为连接件，补强板作为结构件，通过螺钉直接和补强板固定连接进行限位。
图5是本申请实施例提供的一例限位组件示意图。如图5所示，柔性屏组件10和补强板50固定连接，通过螺钉501的头部凸起、补强板50和中框30限位形成滑动区域301。
具体地，图5是Y-Y截面的剖视图，图6是X-X截面的剖视图。在Y轴方向，滑动区域的范围被中框30和螺钉柱体限定，在Z轴方向上，滑动区域301靠近柔性屏组件的一侧的边界为补强板，背离柔性屏组件的一侧的边界为螺钉501的头部凸台。换言之，螺 钉501固定在补强板50上，与中框30形成虚线框301所示的滑动槽。
图5和图6所示的限位组件，结合滑块形成滑动连机构。图7是本申请实施例提供的一例滑动连机构示意图。如图7所示，将结构件盖板作为滑块60，螺钉501将滑块60锁在补强板50上，与中框30形成虚线框301所示的滑动槽。
在一种可能的设计中，补强板50包括螺纹孔，螺钉501和补强板50的连接方式为螺纹连接。
图7中可以看出，在Z轴方向上，盖板60被锁在补强板50和螺钉501的凸台之间，盖板60作为滑块，在虚线框301所示的滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
限位组件和滑动连接机构类型二
在第二种类型的限位组件中，采用螺钉和螺母作为连接件，补强板作为结构件，通过螺母直接和补强板固定连接，螺钉和螺母螺纹连接的方式进行限位。
图8是本申请实施例提供的又一例限位组件示意图。如图8所示，柔性屏组件10和补强板50固定连接，螺母502与补强板50之间固定连接。螺钉501和螺母502之间的连接区域802为螺纹连接。
具体地，图8是Y-Y截面的剖视图，图9是X-X截面的剖视图。在Y轴方向，滑动区域的范围被中框30和螺母柱体限定，在Z轴方向上，滑动区域301靠近柔性屏组件的一侧的边界为螺母502的凸台，背离柔性屏组件的一侧的边界为螺钉501的头部凸台。换言之，螺钉501固定在补强板50上，与螺母502、中框30形成虚线框301所示的滑动槽。
图8和图9所示的限位组件，结合滑块形成滑动连机构。图10是本申请实施例提供的一例滑动连机构示意图。如图10所示，将结构件盖板作为滑块60，螺钉501将滑块60锁在补强板50上，与中框30形成虚线框301所示的滑动槽。盖板60作为滑块，在虚线框301所示的滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
在一种可能的实现方式中，螺母502与补强板50之间的连接区域801可以通过胶水固定。应理解，本申请对用于连接螺母502与补强板50的胶水的型号不做限定，对点胶工艺不做限定。
在另一种可能的实现方式中，螺母502与补强板50之间的连接区域801可以通过焊接的方式实现固定。应理解，本申请不限于任何制程的焊接方式。
图11是本申请实施例提供的一例部件示意图，相应地，图12是本申请实施例提供的一例滑动连接机构的3D示意图。连接件螺钉501、螺母502，结构件中框30、补强板50、盖板60之间的联系关系如图11和图12所示，这里不再赘述。
限位组件和滑动连接机构类型三
在第三种类型的限位组件中，采用卡扣作为连接件，和补强板作为结构件，过卡扣直接和补强板固定连接的方式进行限位。
图13是本申请实施例提供的又一例限位组件示意图。如图13所示，柔性屏组件10和补强板50固定连接，卡扣12与补强板50之间固定连接。
具体地，图13是X-X截面的剖视图。在Y轴方向，滑动区域的范围被中框30和卡扣柱体限定，在Z轴方向上，滑动区域301靠近柔性屏组件的一侧的边界为补强板50，背离柔性屏组件的一侧的边界为卡扣12的头部凸台。换言之，卡扣12固定在补强板50上，与中框30形成虚线框301所示的滑动槽。
图13所示的限位组件，结合滑块形成滑动连机构。图14是本申请实施例提供的一例滑动连机构示意图。如图14所示，将结构件盖板作为滑块60，卡扣12将滑块60锁在补强板50上，与中框30形成虚线框301所示的滑动槽。盖板60作为滑块，在虚线框301所示的滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
限位组件和滑动连接机构类型四
在第四种类型的限位组件中，采用卡扣、固定块作为连接件，补强板作为结构件，过卡扣直接和固定块固定连接、固定块和补强板固定连接的方式进行限位。
图15和图16是本申请实施例提供的又一例限位组件示意图。如图15所示，柔性屏组件10和补强板50固定连接，卡扣12和固定块13固定连接，固定块与补强板50之间固定连接。
具体地，图15是Y-Y截面的剖视图，图16是X-X截面的剖视图。在Y轴方向，滑动区域的范围被中框30和卡扣柱体限定，在Z轴方向上，滑动区域301靠近柔性屏组件的一侧的边界为固定块13的边界，背离柔性屏组件的一侧的边界为卡扣12的头部凸台。换言之，卡扣12和固定块13一起呗固定在补强板50上，与中框30形成虚线框301所示的滑动槽。
图15和图16所示的限位组件，结合滑块形成滑动连机构。图17是本申请实施例提供的一例滑动连机构示意图。如图17所示，将结构件盖板作为滑块60，卡扣12、固定块13和中框30，将滑块60限定在虚线框301所示的滑动槽内，实现X轴方向滑动。盖板60作为滑块，在虚线框301所示的滑动槽内被上下限位，但可以沿X轴方向自由滑动。因此，该限位组件以及固定方式可以实现滑块牵动补强板在X轴方向上自由滑动，同时限制柔性屏组件在贴合方向上的位置，解决屏幕起拱的问题。
在一种可能的实现方式中，固定块13与补强板50之间的连接区域304可以通过胶水固定。应理解，本申请对用于连接固定块13与补强板50的胶水的型号不做限定，对点胶工艺不做限定。
在另一种可能的实现方式中，固定块13与补强板50之间的连接区域304可以通过焊接的方式实现固定。应理解，本申请不限于任何制程的焊接方式。
结合上述实施例及相关附图，通过设计多种可能的滑块机构，牵引补强板带动柔性屏组件运动，从而使得柔性屏组件在折叠过程中处于自由状态，同时，通过滑动槽的结构，在Z轴方向实现对滑块机构的上下限位，从而限制柔性屏组件在贴合方向上的位置，解决了屏幕起拱的问题。
此外，通过设置的限位组件可以改善柔性屏组件在折弯时的起拱情况。应理解，柔性屏组件在起拱时，靠近其折弯部的一部分区域均会出现起拱的情况。因此，在设置每组限位组件时，可以采用不同的个数，如采用一个或者多个(两个及两个以上)来改善柔性屏 组件的起拱情况。
还应理解，本申请中所说的“固定连接”可以理解为通过点胶、焊接等多种方式对部件进行固定，“滑动连接”可以理解为没有通过点胶、焊接等多种方式对部件进行固定，例如限位组件和壳体之间就是滑动连接。
图18为本申请实施例提供的限位组件与柔性屏组件的相对位置关系图。如图18所示，在采用一个限位组件时，可以将该限位组件18或限位组件19设置在靠近柔性屏组件1100中间轴线的位置。在采用多个限位组件时，可以采用阵列的方式或者单排排列的方式，但是无论采用那种，该多个限位组件至少有一排的排列方向平行于壳体转动连接时的轴线方向，以改善柔性屏组件的起拱问题。
应理解，本申请实施例中描述的一个元件“固定在”另一个元件，元件可以直接或间接固定在另一个元件上；同理，本申请实施例的描述的一个元件与另一个元件“连接”，可以是直接连接或间接连接。
还应理解，本申请实施例描述的一个方向与另一个方向“平行”或“垂直”，可以理解为“近似平行”或“近似垂直”。
还应理解，本申请中的限位包括但不限于Z轴上的位移限定，例如限位组件还可以用于指示多个部件的相对位置的关系。
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，任何熟悉本技术领域的技术人员在本申请揭露的技术范围内，可轻易想到变化或替换，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. 一种限位组件，其特征在于，所述限位组件用于承载柔性屏组件，所述限位组件包括：
    第一连接件和第一结构件，所述第一连接件与所述第一结构件连接，所述第一结构件与所述柔性屏组件固定连接，所述第一连接件包括凸起部分和柱体部分，所述凸起部分位于所述第一连接件背离所述第一结构件的一端，所述凸起部分所在的平面与所述第一结构件所在的平面之间的距离为第一方向上的固定距离，所述第一方向垂直于所述第一结构件所在的平面。
  2. 根据权利要求1所述的限位组件，其特征在于，所述限位组件还包括第二结构件，所述第一连接件的柱体部分所在的平面与所述第二结构件所在的平面之间的距离为第二方向上的固定距离，所述第二方向平行于所述第一结构件所在的平面。
  3. 根据权利要求1或2所述的限位组件，其特征在于，所述第一连接件是螺钉，所述第一结构件和所述螺钉为螺纹连接。
  4. 根据权利要求1或2所述的限位组件，其特征在于，所述限位组件还包括第二连接件，所述第一连接件与所述第一结构件连接，包括：
    所述第一连接件与所述第二连接件连接，所述第二连接件与所述第一结构件固定连接。
  5. 根据权利要求4所述的限位组件，其特征在于，所述第一连接件是螺钉，所述第二连接件为螺母，所述螺钉和所述螺母为螺纹连接，以及所述螺母和所述第一结构件固定连接，包括：
    所述螺母和所述第一结构件通过胶水粘黏固定连接；或者
    所述螺母和所述第一结构件通过焊接固定连接。
  6. 根据权利要求1或2所述的限位组件，其特征在于，所述第一连接件是卡扣，所述第一结构件和所述卡扣为固定连接。
  7. 根据权利要求4所述的限位组件，其特征在于，所述第一连接件是卡扣，所述第二连接件为固定块，所述卡扣和所述固定块为固定连接，以及所述固定块和所述第一结构件固定连接，包括：
    所述固定块和所述第一结构件通过胶水粘黏固定连接；或者
    所述固定块和所述第一结构件通过焊接固定连接。
  8. 根据权利要求1至7中任一项所述的限位组件，其特征在于，所述第一结构件为补强板。
  9. 一种滑动连接机构，其特征在于，所述滑动连接机构包括：
    如权利要求1至8中任一项所述的限位组件；
    滑块，所述滑块位于所述第一连接件的凸起部分所在的平面与所述第一结构件所在的平面之间，且所述滑块在所述第一方向上的位移为零。
  10. 根据权利要求9所述的滑动连接机构，其特征在于，所述滑块为盖板。
  11. 一种可折叠的电子设备，其特征在于，所述电子设备包括：
    转动连接的两个壳体；
    柔性屏组件，所述柔性屏组件覆盖在所述两个壳体上；
    如权利要求1至8中任一项所述的限位组件，所述限位组件用于承载柔性屏组件；
    其中，所述限位组件与所述两个壳体滑动连接，且所述限位组件用于限定所述柔性屏组件与所述壳体在第一方向上的位移，所述柔性屏组件与所述限位组件的第一结构件固定连接。
  12. 根据权利要求11所述的电子设备，其特征在于，所述每个壳体上设置有滑动区域，且每个滑动区域的滑槽的长度方向垂直于所述两个壳体转动连接的轴线方向，所述限位组件装配在所述滑动区域的滑槽内。
  13. 根据权利要求12所述的电子设备，其特征在于，所述电子设备还包括盖板，其中，所述盖板与所述两个壳体分别粘接连接，所述柔性屏组件与所述盖板固定连接，且所述盖板在所述滑动区域的滑槽内沿第二方向滑动，所述第二方向垂直于所述两个壳体转动连接的轴线方向。
  14. 一种移动终端，其特征在于，所述移动终端包括：
    转动连接的两个壳体；
    柔性屏组件，所述柔性屏组件覆盖在所述两个壳体上；
    如权利要求1至8中任一项所述的限位组件，所述限位组件用于承载柔性屏组件；
    其中，所述限位组件与所述两个壳体滑动连接，且所述限位组件用于限定所述柔性屏组件与所述壳体在第一方向上的位移。
  15. 根据权利要求14所述的移动终端，其特征在于，所述第一连接件是螺钉，所述第二连接件为螺母，所述螺钉和所述螺母为螺纹连接，以及所述螺母和所述第一结构件固定连接，包括：
    所述螺母和所述第一结构件通过胶水粘黏固定连接；或者
    所述螺母和所述第一结构件通过焊接固定连接。
  16. 根据权利要求14或15所述的移动终端，其特征在于，所述第一结构件为补强板。
PCT/CN2020/075785 2019-02-23 2020-02-19 一种限位组件、滑动连接机构和可折叠电子设备 WO2020169038A1 (zh)

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