WO2020252816A1 - 一种折叠屏展开装置以及终端 - Google Patents

一种折叠屏展开装置以及终端 Download PDF

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Publication number
WO2020252816A1
WO2020252816A1 PCT/CN2019/094316 CN2019094316W WO2020252816A1 WO 2020252816 A1 WO2020252816 A1 WO 2020252816A1 CN 2019094316 W CN2019094316 W CN 2019094316W WO 2020252816 A1 WO2020252816 A1 WO 2020252816A1
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WO
WIPO (PCT)
Prior art keywords
sliding block
folding screen
fixed block
telescopic rod
block
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Application number
PCT/CN2019/094316
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English (en)
French (fr)
Inventor
陈健
Original Assignee
陈健
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Publication date
Application filed by 陈健 filed Critical 陈健
Publication of WO2020252816A1 publication Critical patent/WO2020252816A1/zh

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    • 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

Definitions

  • the utility model relates to the technical field of folding screens, in particular to a folding screen unfolding device and a terminal.
  • a smart mobile terminal such as a smart phone equipped with a flexible screen can switch between the folded state and the unfolded state.
  • the existing folding solutions are not mature enough and the user experience is poor.
  • the utility model aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • an object of the present invention is to provide a folding screen unfolding device.
  • Another object of the present invention is to provide a terminal with the above-mentioned folding screen unfolding device.
  • the technical solution of the first aspect of the present invention provides a folding screen unfolding device, including: a fixed block; and a sliding block, which is slidably connected to the fixed block, and the folding screen is connected to the fixed block and the sliding block, wherein,
  • the sliding block can be at least partially embedded in the fixed block to realize the folding of the folding screen; the sliding block can also extend from the fixed block to unfold the folding screen.
  • the sliding block can be embedded in the fixed block or extended from the fixed block, so that the folding screen can be folded or unfolded.
  • the sliding block that can be embedded in the fixed block By arranging the sliding block that can be embedded in the fixed block, the volume occupied when the folding screen unfolding device is folded is smaller, the carrying is convenient, and the user experience is better. At the same time, it can reduce the possibility of accidental deployment of the folding screen unfolding device due to extrusion.
  • one of the fixed block and the sliding block is provided with a guide groove, and the other is provided with a guide protrusion.
  • the guide protrusion is embedded in the guide groove and slides along the guide groove to realize the sliding block and the fixed block.
  • the sliding connection is provided.
  • the guide protrusions matched with the guide grooves are provided to make the sliding block slide more regularly and reduce the possibility of damage to the folding screen due to irregular movement of the sliding block.
  • a first stop portion is provided at one end of the guide groove close to the sliding block, and a second stop portion is provided at one end of the guide protrusion close to the fixed block.
  • the first stop portion can abut against the second stop portion, so that the sliding block is located at the extended limit position.
  • the sliding block relative to the fixed block can be restricted, and the sliding block can be prevented from being completely drawn out from the fixed block, causing the folding screen unfolding device to be separated.
  • the sliding block includes: a first sub-slider, which is slidably connected to the fixed block; a second sub-slider, which is slidably connected to the first sub-slider and is located away from On one side of the fixed block, the folding screen is connected with the second sub-slider.
  • the sliding block includes a first sub-slider and a second sub-slider.
  • the first sub-slider can slide relative to the fixed block, while the second sub-slider slides relative to the first sub-slider so that the sliding block Fully unfolded, it can adapt to larger folding screens, at the same time, it is convenient to reduce the width of the fixed block, and it is convenient for users to hold.
  • a reel is provided on the fixed block or the sliding block, and the folding screen is rolled outside the reel and is fixedly connected to the fixed block or the sliding block without a reel.
  • the folding screen is rolled outside the reel.
  • the redundant folding screen is rolled outside the reel.
  • the reel rotates to unfold the folding screen.
  • the reel is arranged on the sliding block, the reel is arranged on the side of the sliding block away from the fixed block, the axis of the reel is perpendicular to the sliding direction of the sliding block, and the folding screen and the fixed block are away from the sliding block.
  • One side fixed connection preferably, the reel is arranged on the sliding block, the reel is arranged on the side of the sliding block away from the fixed block, the axis of the reel is perpendicular to the sliding direction of the sliding block, and the folding screen and the fixed block are away from the sliding block.
  • a reset device which is provided on the sliding block and connected to the reel, the reset device is used to drive the sliding block when the sliding block is embedded in the fixed block The reel rotates so that the folding screen is wound on the reel.
  • it further includes a driving device connected to the fixed block and the sliding block, and the driving device can drive the sliding block to slide relative to the fixed block to fold or unfold the folding screen.
  • the folding screen unfolding device can be automatically unfolded or folded, which is more convenient for users.
  • the driving device includes a lead screw, a motor, and a telescopic rod mechanism.
  • the lead screw is rotatably connected to the fixed block; the motor is fixed on the fixed block and the rotating shaft of the motor is connected to the lead screw; the telescopic rod One end of the mechanism is threadedly connected with the lead screw, and the other end is slidably connected with the sliding block.
  • the motor drives the lead screw to rotate, the lead screw drives the telescopic rod mechanism to expand and contract, and the telescopic rod mechanism drives the sliding block to slide relative to the fixed block to make the folding screen fold or Unfold.
  • the motor drives the lead screw to rotate.
  • the lead screw folds or unfolds the telescopic rod mechanism through the threaded fit, and then expands the telescopic rod mechanism.
  • the telescopic rod mechanism drives the sliding block and the fixed block to slide relative to each other to realize the unfolding or unfolding of the folding screen deployment device fold.
  • the screw transmission rotation ratio is accurate, which is convenient for precise control.
  • the telescopic rod mechanism includes: a diamond-shaped telescopic rod group and a matching piece; the matching piece is threadedly connected with the lead screw; the diamond-shaped telescopic rod group has a driving side and a driven side, and at least one end of the driving side is connected with The mating part is rotatably connected.
  • the sliding block is provided with a sliding groove. At least one end of the driven side can be inserted into the sliding groove and slide along the sliding groove.
  • the mating part and the lead screw are threadedly connected, and the mating part can move along the axial direction of the lead screw.
  • the driving side of the mating part diamond telescopic rod group moves to make the diamond shape
  • the telescopic rod group expands and contracts.
  • the driven side of the diamond-shaped telescopic rod group is embedded in the chute and can slide along the chute.
  • the mating piece changes the angle between the two rods of the diamond-shaped telescopic rod group to make the diamond-shaped telescopic rod group expand and contract and then slide the sliding block.
  • the folding screen unfolding device is switched between folding and unfolding states.
  • the folding screen includes a flexible screen, a substrate layer and a plurality of strip keels; the flexible screen is bonded to the substrate layer; the plurality of strip keels are arranged on the substrate layer away from the flexible screen at intervals On one side, the length of the strip keel is perpendicular to the sliding direction of the sliding block.
  • the folding screen consists of a flexible screen, a substrate layer and several strip keels arranged in sequence.
  • the flexible screen is adhered to the substrate layer and attached to the substrate layer, and the strip keels are sequentially arranged on the side of the substrate layer away from the flexible screen.
  • the substrate layer can provide support for the flexible screen, reduce the deformation of the flexible screen, and facilitate the extension of the service life of the flexible screen.
  • the strip keel can limit the folding of the folding screen, thereby restricting the bending of the flexible screen, which is convenient for extending the service life of the flexible screen.
  • the technical solution of the second aspect of the present invention provides a terminal, including the folding screen unfolding device in any of the technical solutions of the first aspect.
  • the terminal since the terminal includes the folding screen unfolding device in any one of the technical solutions in the first aspect, it has all the advantages of the above technical solutions, and will not be repeated here.
  • Figure 1 is a side view of a folding screen unfolding device according to an embodiment of the present utility model in a folded state
  • Figure 2 is a side view of the folding screen unfolding device according to an embodiment of the present invention in an unfolded state
  • Figure 3 is a side view of the folding screen unfolding device according to an embodiment of the present invention in a folded state
  • Figure 4 is a side view of the folding screen unfolding device according to an embodiment of the present invention in an unfolded state
  • Figure 5 is a partial enlarged view of part A in Figure 4.
  • Figure 6 is a side view of the folding screen unfolding device according to an embodiment of the present utility model in a folded state
  • Figure 7 is a side view of the folding screen unfolding device according to an embodiment of the present invention in an unfolded state
  • Figure 8 is a partial enlarged view of part B in Figure 7;
  • Figure 9 is a partial enlarged view of part C in Figure 7;
  • Figure 10 is a side view of the folding screen unfolding device according to an embodiment of the present utility model in an unfolded state
  • Figure 11 is a cross-sectional view of the D-D section in Figure 10.
  • Figure 12 is a partial enlarged view of part E in Figure 11;
  • Figure 13 is a side view of the folding screen unfolding device according to an embodiment of the present invention in a folded state
  • Figure 14 is a cross-sectional view of the F-F section in Figure 13;
  • Figure 15 is a partial enlarged view of part G in Figure 14;
  • Figure 16 is a cross-sectional view of the H-H section in Figure 10;
  • Fig. 17 is a partial enlarged view of part M in Fig. 16.
  • the embodiment of the first aspect of the present invention provides a folding screen unfolding device, including: a fixed block 10; and a sliding block 20 slidably connected to the fixed block 10, the folding screen 90 and the fixed
  • the block 10 and the sliding block 20 are connected, wherein the sliding block 20 can be at least partially embedded in the fixed block 10 to realize the folding of the folding screen 90; the sliding block 20 can also extend from the fixed block 10 to unfold the folding screen.
  • the sliding block 20 can be embedded in the fixed block 10 or extended from the fixed block 10, so that the folding screen 90 can be folded or unfolded.
  • the sliding block 20 that can be embedded in the fixed block 10 the volume occupied by the folding screen unfolding device when folded is smaller, and it is convenient to carry. At the same time, it can reduce the possibility of accidental deployment of the folding screen unfolding device due to extrusion.
  • one of the fixed block 10 and the sliding block 20 is provided with a guide groove 30, and the other is provided with a guide protrusion 40, and the guide protrusion 40 is embedded in the guide groove. Sliding inside 30 and along the guide groove 30 to realize the sliding connection between the sliding block 20 and the fixed block 10.
  • the sliding block 20 can slide more regularly, reducing the possibility of damage to the folding screen 90 due to irregular movement of the sliding block 20.
  • FIGS. 5 to 8 it is preferably designed to provide the guide groove 30 on the fixed block 10 and the guide protrusion 40 on the sliding block 20.
  • the guide grooves 30 are provided on the upper and lower sides of the fixed block 10
  • the guide protrusions 40 are provided on the upper and lower sides of the sliding block 20, so that the sliding block 20 slides more regularly.
  • the guide groove 30 is fixed on the fixed block 10
  • one end of the guide groove 30 close to the sliding block 20 is provided with a first stop 50
  • the guide protrusion 40 is provided with one end close to the fixed block 10
  • There is a second stopper and the first stopper 50 can abut against the second stopper, so that the sliding block 20 is located at the extended limit position.
  • the sliding block 20 can be restricted from sliding relative to the fixed block 10, and the sliding block 20 can be prevented from being completely drawn out from the fixed block 10, causing the folding screen unfolding device to separate. Possible.
  • the sliding block 20 includes: a first sub-slider 21, which is slidably connected to the fixed block 10; and a second sub-slider 22, which is connected to the first sub-slider.
  • the slider 21 is slidably connected and arranged on a side of the first sub-slider 21 away from the fixed block 10, and the folding screen 90 is connected with the second sub-slider 22.
  • the sliding block 20 includes a first sub-slider 21 and a second sub-slider 22.
  • the first sub-slider 21 can slide relative to the fixed block 10, while the second sub-slider 22 and the first sub-slider 21 Relatively sliding, so that the sliding block 20 is fully unfolded, can be adapted to the folding screen 90 with a larger size, and at the same time, it is convenient to reduce the width of the fixed block 10 and facilitate the user's grip.
  • the first sub-slider 21 is provided with a sub-sliding groove 211
  • the second sub-slider 22 is provided with a sub-guide protrusion 221
  • the sub-guide protrusion 221 is embedded in the sub-sliding groove. 211 can move along the sub-sliding groove 211 so that the second sub-slider 22 and the first sub-slider 11 are slidably connected.
  • the sliding block 20 is provided with a reel 70, and the folding screen 90 is wound on the outside of the reel 70 and is fixedly connected to the fixed block 10 or the sliding block 20 without the reel 70.
  • the folding screen 90 is rolled outside the reel 70.
  • the redundant folding screen 90 is rolled outside the reel 70.
  • the reel rotates to make the folding The screen expands.
  • the reel 70 can also be arranged on the fixed block 10, and the above technical effect can also be achieved, which will not be repeated here.
  • a reset device which is provided on the sliding block 20 and connected to the reel 70, and the reset device is used to embed the fixed block in the sliding block 20
  • the reel 70 is driven to rotate, so that the folding screen is wound on the reel.
  • the reset device is a torsion spring 24 connected to both ends of the reel 70.
  • the sliding block is provided with sleeves 25. Two sleeves 25 are arranged on both sides of the sliding block. The two ends of the rotating shaft are embedded in the sleeve 25 to realize the rotational connection between the rotating shaft and the sliding block.
  • the torsion spring 24 is spirally arranged between the rotating shaft and the sleeve 25 and sleeved outside the rotating shaft. Two ends of the torsion spring 24 are respectively fixedly connected (welded or screwed) with the inner wall of the sleeve 25 and the outer wall of the rotating shaft.
  • the torsion spring 24 When the folding screen unfolding device is in the folded state, the torsion spring 24 is deformed and acts on the reel 70 to make the reel 70 tighten the folding screen 90; when the folding screen unfolding device changes from the folded state to the unfolded state, the sliding block 20 changes from fixed The block 10 is drawn out, the reel 70 rotates and the deformation of the torsion spring 24 gradually increases until the folding screen unfolding device is in the unfolded state, at which time the folding screen is unfolded to the maximum, and the deformation of the torsion spring 24 is in the maximum state.
  • the selection of the torsion spring 24 is based on not affecting the stability of the folding screen unfolding device in the unfolding position.
  • the reel 70 is provided on the side of the sliding block 20 away from the fixed block 10, the axis of the reel 70 is perpendicular to the sliding direction of the sliding block 20, and the folding screen 90 and the fixed block 10 are away from the sliding block 20.
  • One side is fixedly connected.
  • it further includes: a driving device 80 connected to the fixed block 10 and the sliding block 20, the driving device 80 can drive the sliding block 20 to slide relative to the fixed block 10, so that the folding screen 90 is folded or Unfold.
  • the folding screen unfolding device can be automatically unfolded or folded, which is more convenient for users.
  • the driving device 80 includes a lead screw 81, a motor 82, and a telescopic rod mechanism 83.
  • the lead screw 81 is rotatably connected to the fixed block 10; the motor 82 is fixed on the fixed block 10 and the motor 82
  • the shaft is connected with the screw 81; one end of the telescopic rod mechanism 83 is threadedly connected with the lead screw 81, and the other end is slidably connected with the sliding block 20, wherein the motor 82 drives the lead screw 81 to rotate, and the lead screw 81 drives the telescopic rod mechanism 83 to expand and contract.
  • the telescopic rod mechanism 83 drives the sliding block 20 to slide relative to the fixed block 10 to make the folding screen 90 fold or unfold.
  • the motor 82 drives the lead screw 81 to rotate, and the lead screw 81 folds or unfolds the telescopic rod mechanism 83 through threaded fit, thereby causing the telescopic rod mechanism 83 to expand and contract.
  • the telescopic rod mechanism 83 drives the sliding block 20 and the fixed block 10 to slide relative to each other. Realize the unfolding or folding of the folding screen unfolding device. Since the screw 81 occupies less space when rotating, it is convenient to make the structure of the folding screen unfolding mechanism more compact, and at the same time, the screw transmission rotation ratio is accurate, which is convenient for precise control.
  • the sliding direction of the lead screw 81 and the sliding block 20 are the same
  • the telescopic rod mechanism 10 is a rod body
  • the telescopic rod mechanism 10 is sleeved on the lead screw 81 and is threaded with the lead screw 81
  • the rod reduction mechanism The end of 10 away from the fixed block 10 is fixedly connected to the sliding block 20.
  • the motor drives the screw 81 to rotate
  • the telescopic rod mechanism 10 drives the sliding block 20 to slide along the sliding direction of the sliding block 20 under the drive of the screw 81 to make the sliding block 20 slide.
  • the block 20 is embedded in the fixed block 10 or slides out from the fixed block 10, so that the folding screen unfolding device is unfolded or folded.
  • the telescopic rod mechanism 83 includes: a diamond-shaped telescopic rod group 832 and a matching member 831; the matching member 831 is threadedly connected with the lead screw 81; the diamond-shaped telescopic rod group 832 has a driving side and a driven side, At least one end of the driving side is rotatably connected with the mating member 831.
  • the sliding block 20 is provided with a sliding groove 23. At least one end of the driven side can be inserted into the sliding groove 23 and slide along the sliding groove 23.
  • the The member 831 moves along the lead screw 81, and the matching member 831 drives the driving side of the diamond-shaped telescopic rod group 832 to move, so that the diamond-shaped telescopic rod group 832 expands and contracts and drives the sliding block 20 to slide.
  • the mating piece 831 and the screw 81 are threadedly connected.
  • the mating piece 831 can move along the axial direction of the screw 81.
  • the mating piece 831 is a diamond-shaped telescopic rod assembly.
  • the driving side movement of 832 makes the diamond telescopic rod group 832 telescopic.
  • the driven side of the diamond telescopic rod group 832 is embedded in the chute 23 and can slide along the chute 23.
  • the matching piece 831 is changed between the two rods of the diamond telescopic rod group 832.
  • the included angle of makes the diamond-shaped telescopic rod group 832 expand and contract to make the sliding block 20 slide, and the folding screen unfolding device switches between the two states of folding and unfolding.
  • the diamond-shaped telescopic rod group 832 can be provided with one set of diamond-shaped telescopic mechanisms (as shown in Figures 1 and 2), or multiple sets of diamond-shaped telescopic mechanisms (the two sets of diamond-shaped telescopic mechanisms in Figure 10).
  • the sliding block 20 correspondingly includes a first sub-slider 21 and a second sub-slider 22, the first sub-slider 21 and The second sub-sliding block 22 is respectively provided with sliding grooves 23, which are parallel to the lead screw 81 and the two sets of diamond-shaped telescopic mechanisms respectively cooperate with the sliding grooves 23.
  • the sliding block 20 can be uniformly stressed during the unfolding process, and at the same time The first sub-slider 21 and the second sub-slider 22 can be expanded synchronously.
  • the movement of the diamond-shaped telescopic rod group 832 increases in regularity.
  • one end of the active side of the diamond-shaped telescopic rod group is rotatably connected with the fixed block, the other end is rotatably connected with the matching piece, one end of the driven side is rotatably connected with the sliding block and the other end is embedded in the sliding groove,
  • the end of the driving side connected with the fixed block and the end of the driven side rotatably connected with the sliding block are located on the same side of the diamond-shaped telescopic rod group.
  • the lead screw drives the mating part to move along the lead screw through threaded fit, and the mating part drives the diamond-shaped telescopic rod group to move.
  • the driven side of the diamond-shaped telescopic rod group slides in the chute, and the diamond-shaped telescopic rod group expands and contracts to drive the sliding
  • the block moves to fold or unfold the folding screen unfolding device.
  • only one matching piece is provided, which occupies a small space, is convenient to reduce the volume of the folding screen unfolding device, and can be more portable.
  • the lead screw is divided into a left-handed section and a right-handed section.
  • the active side of the diamond telescopic rod group The two ends are respectively rotatably connected with two matching pieces.
  • the diamond-shaped telescopic rod group is embedded in the sliding groove from the two ends of the 832 moving side and can slide along the sliding groove.
  • the diamond-shaped telescopic rod group 832 is formed by rotating and connecting multiple rod bodies in turn.
  • the two adjacent rod bodies on the driven side are connected by a rotating shaft.
  • the pulley is embedded in the sliding groove and can slide along the sliding groove to realize the connection between the driven side and the sliding groove.
  • the pulley slides in the chute to realize the movement of the driven side relative to the chute.
  • the friction between the diamond-shaped telescopic rod group 832 and the chute can be reduced, so that the diamond-shaped telescopic rod group 832 can be expanded and contracted more smoothly, which is convenient for the folding screen unfolding device to quickly expand and fold.
  • the folding screen 90 includes a flexible screen 91 (for example, an OLED flexible screen), a substrate layer 92 and a plurality of strip keels 93; the flexible screen 91 is bonded to the substrate layer 92; The strip keels 93 are arranged at intervals on the side of the substrate layer 92 away from the flexible screen 91, and the length direction of the strip keels 93 is perpendicular to the sliding direction of the sliding block 20.
  • a flexible screen 91 for example, an OLED flexible screen
  • the flexible screen 91 is bonded to the substrate layer 92
  • the strip keels 93 are arranged at intervals on the side of the substrate layer 92 away from the flexible screen 91, and the length direction of the strip keels 93 is perpendicular to the sliding direction of the sliding block 20.
  • the folding screen 90 is composed of a flexible screen 91, a base material layer 92, and several strip keels 93 arranged in sequence.
  • the flexible screen 91 is adhered to the substrate layer 92 and adhered to the substrate layer 92, and the strip keels 93 are sequentially arranged on the side of the substrate layer 92 away from the flexible screen 91.
  • the substrate layer 92 can provide support for the flexible screen 91, reduce the deformation of the flexible screen 91, and facilitate the extension of the service life of the flexible screen 91.
  • the strip-shaped keel 93 can limit the folding of the folding screen 90, thereby limiting the bending of the flexible screen 91, which is convenient for extending the service life of the flexible screen 91.
  • the base material layer 92 and the strip keel 93 can also compensate for the height difference between the sliding block 20 and the fixed block 10, which is convenient for making the folding screen 90 flat.
  • the flexible screen 91 is a bendable and curlable display screen (for example, a flexible screen represented by OLED technology or a bendable and curlable display screen realized by other technologies).
  • the embodiment of the second aspect of the present invention provides a terminal, including the folding screen unfolding device in any embodiment of the first aspect.
  • the terminal since the terminal includes the folding screen unfolding device in any of the embodiments of the first aspect, it has all the advantages of the above-mentioned embodiments, and will not be repeated here.
  • terminals include mobile terminals such as mobile phones and tablet computers, as well as equipment on cars, airplanes, high-speed trains, and ships, such as the control terminal equipment that can be extended in the cab, the audio-visual equipment on the passenger seat, and also include TVs and monitors. Wait for the display device.
  • the terms “first”, “second”, and “third” are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; the term “multiple” refers to two or two More than one, unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense.
  • “connected” can be a fixed connection, a detachable connection, or an integral connection;
  • “connected” can be It is directly connected or indirectly connected through an intermediary.
  • the specific meaning of the above-mentioned terms in the present utility model can be understood according to specific circumstances.

Abstract

本申请提出了一种折叠屏展开装置和终端，折叠屏展开装置包括：固定块；以及滑动块，与固定块滑动连接，折叠屏与固定块以及滑动块连接，其中，滑动块能至少部分嵌入固定块内，以实现折叠屏的折叠；滑动块还能从固定块内伸出，以使折叠屏展开。本申请提供的折叠屏展开装置，滑动块能嵌入固定块内，或从固定块内伸出，从而能使折叠屏折叠或展开。通过设置能嵌入固定块内的滑动块，在折叠屏展开装置折叠时占用的体积更小，携带方便。同时，能够减少因挤压造成折叠屏展开装置意外展开的可能。

Description

一种折叠屏展开装置以及终端 技术领域
本实用新型涉及折叠屏技术领域，具体而言，涉及一种折叠屏展开装置以及一种终端。
背景技术
利用柔性屏的可弯折特性，搭载柔性屏的智能移动终端(例如智能手机)就能实现折叠状态和展开状态的切换。现有的折叠方案不够成熟，用户体验较差。
实用新型内容
本实用新型旨在至少解决现有技术或相关技术中存在的技术问题之一。
有鉴于此，本实用新型的一个目的在于提供一种折叠屏展开装置。
本实用新型的另一个目的在于提供一种具有上述折叠屏展开装置的终端。
为了实现上述目的，本实用新型第一方面的技术方案提供了一种折叠屏展开装置，包括：固定块；以及滑动块，与固定块滑动连接，折叠屏与固定块以及滑动块连接，其中，滑动块能至少部分嵌入固定块内，以实现折叠屏的折叠；滑动块还能从固定块内伸出，以使折叠屏展开。
本方案中，滑动块能嵌入固定块内，或从固定块内伸出，从而能使折叠屏折叠或展开。通过设置能嵌入固定块内的滑动块，在折叠屏展开装置折叠时占用的体积更小，携带方便，用户体验更好。同时，能够减少因挤压造成折叠屏展开装置意外展开的可能。
在上述技术方案中，优选地，固定块与滑动块中的一个设有导向槽，另一个设有导向凸起，导向凸起嵌入导向槽内并沿导向槽滑动，以实现滑动块与固定块的滑动连接。
本方案中，通过设置与导向槽配合的导向凸起，使滑动块滑动更加规则，减少因滑动块运动不规则导致折叠屏损坏的可能。
在上述任一技术方案中，优选地，导向槽固定在固定块上时，导向槽靠近滑动块的一端设有第一止挡部，导向凸起靠近固定块的一端设有第二止挡部，第一止挡部能与第二止挡部抵靠，以使滑动块位于伸出的极限位置。
本方案中，通过设置第一止挡部和第二止挡部，能够限制滑动块相对于固定块的滑动，防止滑动块从固定块内完全抽出导致折叠屏展开装置分体的可能。
在上述任一技术方案中，优选地，滑动块包括：第一子滑块，与固定块滑动连接；第二子滑块，与第一子滑块滑动连接且设于第一子滑块远离固定块的一侧，折叠屏与第二子滑块连接。
本方案中，滑动块包括第一子滑块和第二子滑块，第一子滑块能与固定块相对滑动，同时第二子滑块与第一子滑块相对滑动，以使滑动块完全展开，能够适应尺寸较大的折叠屏，同时便于减小固定块的宽度，便于用户的握持。
在上述任一技术方案中，优选地，固定块或滑动块上设有卷轴，折叠屏卷设于卷轴外，并与未设置卷轴的固定块或滑动块固定连接。
本方案中，折叠屏卷设于卷轴外，当折叠屏展开装置处于折叠状态时，多余的折叠屏卷设于卷轴外，当折叠屏展开装置展开时，卷轴转动，以使折叠屏展开。通过设置卷轴能够减少收纳折叠屏占用的空间，便于减小折叠屏展开装置的体积，便于携带。
在上述任一技术方案中，优选地，卷轴设于滑动块上，卷轴设于滑动块远离固定块的一侧且卷轴的轴线与滑动块滑动的方向垂直，折叠屏与固定块远离滑动块的一侧固定连接。
在上述任一技术方案中，优选地，还包括：复位装置，设于所述滑动块上且与所述卷轴连接，所述复位装置用于在所述滑动块嵌入所述固定块内时带动所述卷轴转动，以使所述折叠屏卷绕于所述卷轴上。
在上述任一技术方案中，优选地，还包括：驱动装置，与固定块以及 滑动块连接，驱动装置能带动滑动块相对于固定块滑动，以使折叠屏折叠或展开。
本方案中，通过设置驱动装置能使折叠屏展开装置自动展开或折叠，用户使用更加便捷。
在上述任一技术方案中，优选地，驱动装置包括丝杠、电机、以及伸缩杆机构，丝杠与固定块转动连接；电机固设于固定块上且电机的转轴与丝杠连接；伸缩杆机构的一端与丝杠螺纹连接，另一端与滑动块滑动连接，其中，电机带动丝杠转动，丝杠带动伸缩杆机构伸缩，伸缩杆机构带动滑动块相对固定块滑动，以使折叠屏折叠或展开。
本方案中，电机驱动丝杠转动，丝杠通过螺纹配合使伸缩杆机构折叠或展开，进而使伸缩杆机构伸缩，伸缩杆机构带动滑动块与固定块相对滑动，实现折叠屏展开装置的展开或折叠。由于丝杠在转动时占用空间减小，便于使折叠屏展开机构结构更加紧凑，同时螺纹传动转动比准确，便于精准操控。
在上述任一技术方案中，优选地，伸缩杆机构包括：菱形伸缩杆组和配合件；配合件与丝杠螺纹连接；菱形伸缩杆组具有驱动侧和从动侧，驱动侧的至少一端与配合件转动连接，滑动块上设有滑槽，从动侧的至少一端能嵌入滑槽内并沿滑槽滑动，其中，丝杠转动时，配合件沿丝杠运动，配合件带动菱形伸缩杆组的驱动侧运动，以使菱形伸缩杆组伸缩并带动滑动块滑动。
本方案中，配合件和丝杠螺纹配合连接，配合件能沿丝杠的轴向运动，在配合件沿丝杠轴向运动的过程中，配合件菱形伸缩杆组的驱动侧运动，使菱形伸缩杆组伸缩，菱形伸缩杆组的从动侧嵌入滑槽内并能沿滑槽滑动，配合件通过改变菱形伸缩杆组两杆之间的夹角使菱形伸缩杆组伸缩进而使滑动块滑动，折叠屏展开装置在折叠和展开两个状态之间切换。
在上述任一技术方案中，优选地，折叠屏包括柔性屏、基材层以及多个条形龙骨；柔性屏与基材层粘接；多个条形龙骨间隔设置在基材层远离柔性屏的一侧，条形龙骨的长度方向与滑动块滑动的方向垂直。
本方案中，折叠屏由依次排列的柔性屏、基材层以及数个条形龙骨。 柔性屏与基材层粘接且与基材层贴合，条形龙骨依次排列在基材层远离柔性屏的一侧。基材层能够为柔性屏提供支撑，减少柔性屏的形变，便于延长柔性屏的使用寿命。同时，条形龙骨能够限制折叠屏的折叠，进而限制柔性屏的弯折，便于延长柔性屏的使用寿命。同时便于折叠屏在卷轴上的缠绕。
本实用新型第二方面的技术方案提供了一种终端，包括第一方面任一技术方案中的折叠屏展开装置。
本方案中，由于终端包括第一方面任一技术方案中的折叠屏展开装置，因此具备上述技术方案的全部优点，此处不再赘述。
本实用新型的附加方面和优点将在下面的描述部分中变得明显，或通过本实用新型的实践了解到。
附图说明
图1是根据本实用新型的一个实施例的折叠屏展开装置折叠状态下的侧视图；
图2是根据本实用新型的一个实施例的折叠屏展开装置展开状态下的侧视图；
图3是根据本实用新型的一个实施例的折叠屏展开装置折叠状态下的侧视图；
图4是根据本实用新型的一个实施例的折叠屏展开装置展开状态下的侧视图；
图5是图4中A部分的局部放大图；
图6是根据本实用新型的一个实施例的折叠屏展开装置折叠状态下的侧视图；
图7是根据本实用新型的一个实施例的折叠屏展开装置展开状态下的侧视图；
图8是图7中B部分的局部放大图；
图9是图7中C部分的局部放大图；
图10是根据本实用新型的一个实施例的折叠屏展开装置展开状态下 的侧视图；
图11是图10中D-D截面的剖视图；
图12是图11中E部分的局部放大图；
图13是根据本实用新型的一个实施例的折叠屏展开装置折叠状态下的侧视图；
图14是图13中F-F截面的剖视图；
图15是图14中G部分的局部放大图；
图16是图10中H-H截面的剖视图；
图17是图16中M部分的局部放大图。
其中，图1至图17中的附图标记与部件名称之间的对应关系为：
10固定块，20滑动块，21第一子滑块，211子滑槽，22第二子滑块，221子导向凸起，23滑槽，24扭簧，25套筒，30导向槽，40导向凸起，50第一止挡部，70卷轴，80驱动装置，81丝杠，82电机，83伸缩杆机构，831配合件，832菱形伸缩杆组，90折叠屏，91柔性屏，92基材层，93条形龙骨。
具体实施方式
为了可以更清楚地理解本实用新型的上述目的、特征和优点，下面结合附图和具体实施方式对本实用新型进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本实用新型，但是，本实用新型还可以采用其他不同于在此描述的其他方式来实施，因此，本实用新型的保护范围并不受下面公开的具体实施例的限制。
下面参照图1至图17描述根据本实用新型的一些实施例。
如图1至图17所示，本实用新型第一方面的实施例提供了一种折叠屏展开装置，包括：固定块10；以及滑动块20，与固定块10滑动连接，折叠屏90与固定块10以及滑动块20连接，其中，滑动块20能至少部分嵌入固定块10内，以实现折叠屏90的折叠；滑动块20还能从固定块10内伸出，以使折叠屏展开。
本方案中，滑动块20能嵌入固定块10内，或从固定块10内伸出，从而能使折叠屏90折叠或展开。通过设置能嵌入固定块10内的滑动块20，在折叠屏展开装置折叠时占用的体积更小，携带方便。同时，能够减少因挤压造成折叠屏展开装置意外展开的可能。
如图5和图8所示，在上述实施例中，优选地，固定块10与滑动块20中的一个设有导向槽30，另一个设有导向凸起40，导向凸起40嵌入导向槽30内并沿导向槽30滑动，以实现滑动块20与固定块10的滑动连接。
本方案中，通过设置与导向槽30配合的导向凸起40，使滑动块20滑动更加规则，减少因滑动块20运动不规则导致折叠屏90损坏的可能。
其中，如图5至图8所示，优选设计为将导向槽30设置于固定块10上，并将导向凸起40设置在滑动块20上。
进一步优选设计导向槽30设于固定块10的上下两侧，且导向凸起40设于滑动块20的上下两侧，使滑动块20滑动更加规则。
在上述任一实施例中，优选地，导向槽30固定在固定块10上，导向槽30靠近滑动块20的一端设有第一止挡部50，导向凸起40靠近固定块10的一端设有第二止挡部，第一止挡部50能与第二止挡部抵靠，以使滑动块20位于伸出的极限位置。
本方案中，通过设置第一止挡部50和第二止挡部，能够限制滑动块20相对于固定块10的滑动，防止滑动块20从固定块10内完全抽出导致折叠屏展开装置分体的可能。
如图10和图13所示，在上述任一实施例中，优选地，滑动块20包括：第一子滑块21，与固定块10滑动连接；第二子滑块22，与第一子滑块21滑动连接且设于第一子滑块21远离固定块10的一侧，折叠屏90与第二子滑块22连接。
本方案中，滑动块20包括第一子滑块21和第二子滑块22，第一子滑块21能与固定块10相对滑动，同时第二子滑块22与第一子滑块21相对滑动，以使滑动块20完全展开，能够适应尺寸较大的折叠屏90，同时便于减小固定块10的宽度，便于用户的握持。
进一步地，如图7和图9所示，第一子滑块21上设有子滑槽211，第二子滑块22上设有子导向凸起221，子导向凸起221嵌入子滑槽211内并能沿子滑槽211移动，以使第二子滑块22与第一子滑块11滑动连接。
在上述任一实施例中，优选地，滑动块20上设有卷轴70，折叠屏90卷设于卷轴70外，并与未设置卷轴70的固定块10或滑动块20固定连接。
本方案中，折叠屏90卷设于卷轴70外，当折叠屏展开装置处于折叠状态时，多余的折叠屏90卷设于卷轴70外，当折叠屏展开装置展开时，卷轴转动，以使折叠屏展开。通过设置卷轴70能够减少收纳折叠屏90占用的空间，便于减小折叠屏展开装置的体积，便于携带。
其中，卷轴70也可设于固定块10上，亦能达到上述技术效果，此处不再赘述。
在上述任一实施例中，优选地，还包括：复位装置，设于所述滑动块20上且与所述卷轴70连接，所述复位装置用于在所述滑动块20嵌入所述固定块10内时带动所述卷轴70转动，以使所述折叠屏卷绕于所述卷轴上。
具体地，如图10、图6和图17所示，复位装置为连接在卷轴70两端的扭簧24。滑动块上设有套筒25，套筒25为两个且设于滑动块的两侧，转轴的两端嵌入套筒25内，以实现转轴和滑动块的转动连接。扭簧24呈螺旋形设于转轴和套筒25之间且套设于转轴外，扭簧24的两端分别和套筒25的内壁以及转轴的外壁固定连接(焊接或螺钉连接)。
当折叠屏展开装置处于折叠状态时，扭簧24存在形变，并作用于卷轴70使卷轴70将折叠屏90拉紧；当折叠屏展开装置由折叠状态变为展开状态时，滑动块20从固定块10内抽出，卷轴70转动且扭簧24的形变逐渐增加，直至折叠屏展开装置处于展开状态，此时折叠屏展开至最大，同时扭簧24的形变处于最大的状态。其中，扭簧24的选用以不影响折叠屏展开装置在展开位置的稳定为基准。
在上述任一实施例中，优选地，卷轴70设于滑动块20远离固定块10的一侧且卷轴70的轴线与滑动块20滑动的方向垂直，折叠屏90与固定块10远离滑动块20的一侧固定连接。
在上述任一实施例中，优选地，还包括：驱动装置80，与固定块10以及滑动块20连接，驱动装置80能带动滑动块20相对于固定块10滑动，以使折叠屏90折叠或展开。
本方案中，通过设置驱动装置80能使折叠屏展开装置自动展开或折叠，用户使用更加便捷。
在上述任一实施例中，优选地，驱动装置80包括丝杠81、电机82、以及伸缩杆机构83，丝杠81与固定块10转动连接；电机82固设于固定块10上且电机82的转轴与丝杠81连接；伸缩杆机构83的一端与丝杠81螺纹连接，另一端与滑动块20滑动连接，其中，电机82带动丝杠81转动，丝杠81带动伸缩杆机构83结构伸缩，伸缩杆机构83机动带动滑动块20相对固定块10滑动，以使折叠屏90折叠或展开。
本方案中，电机82驱动丝杠81转动，丝杠81通过螺纹配合使伸缩杆机构83折叠或展开，进而使伸缩杆机构83伸缩，伸缩杆机构83带动滑动块20与固定块10相对滑动，实现折叠屏展开装置的展开或折叠。由于丝杠81在转动时占用空间减小，便于使折叠屏展开机构结构更加紧凑，同时螺纹传动转动比准确，便于精准操控。
在本实用新型的一个实施例中，丝杠81与滑动块20的滑动方向一致，伸缩杆机构10为杆体，伸缩杆机构10套设在丝杠81且与丝杠81螺纹配合，缩杆机构10远离固定块10的一端与滑动块20固定连接，电机驱动丝杠81转动后，伸缩杆机构10在丝杠81的带动下沿滑动块20的滑动方向来驱动滑动块20滑动，以使滑动块20嵌入固定块10内或从固定块10内滑出，进而使折叠屏展开装置展开或折叠。
在上述任一实施例中，优选地，伸缩杆机构83包括：菱形伸缩杆组832和配合件831；配合件831与丝杠81螺纹连接；菱形伸缩杆组832具有驱动侧和从动侧，驱动侧的至少一端与配合件831转动连接，滑动块20上设有滑槽23，从动侧的至少一端能嵌入滑槽23内并沿滑槽23滑动，其中，丝杠81转动时，配合件831沿丝杠81运动，配合件831带动菱形伸缩杆组832的驱动侧运动，以使菱形伸缩杆组832伸缩并带动滑动块20滑动。
本方案中，配合件831和丝杠81螺纹配合连接，配合件831能沿丝杠81的轴向运动，在配合件831沿丝杠81轴向运动的过程中，配合件831菱形伸缩杆组832的驱动侧运动，使菱形伸缩杆组832伸缩，菱形伸缩杆组832的从动侧嵌入滑槽23内并能沿滑槽23滑动，配合件831通过改变菱形伸缩杆组832两杆之间的夹角使菱形伸缩杆组832伸缩进而使滑动块20滑动，折叠屏展开装置在折叠和展开两个状态之间切换。
其中，如图1和图2所示，菱形伸缩杆组832伸出时，带动滑动块20伸出，卷轴转动，以使折叠屏展开装置由折叠状态变为展开状态。
值得说明的是，菱形伸缩杆组832可以设置一组菱形伸缩机构(如图1和图2)，也可为设置多组菱形伸缩机构(图10中即为两组菱形伸缩机构)。
进一步地，当菱形伸缩杆组832设置多组菱形伸缩机构时，如图10所示，对应地滑动块20包括第一子滑块21以及第二子滑块22，第一子滑块21和第二子滑块22分别设有滑槽23，滑槽23与丝杠81平行且两组菱形伸缩机构分别与滑槽23配合，一方面，能使滑动块20展开过程中受力均匀，同时第一子滑块21和第二子滑块22能同步展开，另一方面，菱形伸缩杆组832运动增加规则。
如图10和图13所示，菱形伸缩杆组832伸出时，带动第一子滑块21和第二子滑块22伸出，卷轴70转动并使第一子滑块21和第二子滑块22完全伸出，以使折叠屏展开装置由折叠状态变为展开状态。
在本实用新型的一个实施例中，菱形伸缩杆组主动侧的一端与固定块转动连接，另一端与配合件转动连接，从动侧的一端与滑动块转动连接且另一端嵌入滑槽内，主动侧与固定块连接的一端以及从动侧与滑动块转动连接的一端位于菱形伸缩杆组的同侧。
本方案中，丝杠通过螺纹配合带动配合件沿丝杠运动，配合件带动菱形伸缩杆组运动，菱形伸缩杆组从动侧的一端在滑槽内滑动，菱形伸缩杆组伸缩，进而带动滑动块移动，以使折叠屏展开装置折叠或展开。本方案中只设置一个配合件，占用的空间较小，便于减小折叠屏展开装置的体积，能更加便携。
在本实用新型的另一个实施例中，丝杠分为左旋段和右旋段，配合件为两个且连个配合件分别与左旋段以及右旋段螺纹连接，菱形伸缩杆组主动侧的两端分别与两个配合件转动连接。菱形伸缩杆组从832动侧的两端嵌入滑槽内并能沿滑槽滑动。
进一步优选设计菱形伸缩杆组832由多个杆体依次转动连接形成，从动侧相邻的两个杆体通过转轴连接，转轴向菱形伸缩杆组832外伸出，转轴伸出的部位嵌入滑轮内以实现转轴与滑轮的转动连接，滑轮嵌入滑槽内并能沿滑槽滑动，以实现从动侧与滑槽的连接。菱形伸缩杆组832伸缩时，滑轮在滑槽内滑动，以实现从动侧相对于滑槽的运动。本方案中，通过设置滑轮，能减少菱形伸缩杆组832与滑槽之间的摩擦力，使菱形伸缩杆组832的伸缩更加顺畅，便于折叠屏展开装置快速展开和折叠。
本方案中，丝杠转动时，两个配合件的运动方向相反，相对于上述方案，本方案中主动侧的两端同时运动，使菱形伸缩杆组的伸缩更加顺畅，便于滑动块的快速滑动，使折叠屏展开装置能够快速展开和折叠。
在上述任一实施例中，优选地，折叠屏90包括柔性屏91(例如为OLED柔性屏)、基材层92以及多个条形龙骨93；柔性屏91与基材层92粘接；多个条形龙骨93间隔设置在基材层92远离柔性屏91的一侧，条形龙骨93的长度方向与滑动块20滑动的方向垂直。
本方案中，折叠屏90由依次排列的柔性屏91、基材层92以及数个条形龙骨93。柔性屏91与基材层92粘接且与基材层92贴合，条形龙骨93依次排列在基材层92远离柔性屏91的一侧。基材层92能够为柔性屏91提供支撑，减少柔性屏91的形变，便于延长柔性屏91的使用寿命。同时，条形龙骨93能够限制折叠屏90的折叠，进而限制柔性屏91的弯折，便于延长柔性屏91的使用寿命。同时便于折叠屏90在卷轴70上的缠绕。同时基材层92和条形龙骨93还能够弥补滑动块20与固定块10之间的高度差，便于使折叠屏90平整。
其中，柔性屏91为可弯折卷曲的显示屏(例如以OLED技术为代表的柔性屏或其它技术所实现的可弯折卷曲的显示屏)。
本实用新型第二方面的实施例提供了一种终端，包括第一方面任一实 施例中的折叠屏展开装置。
本方案中，由于终端包括第一方面任一实施例中的折叠屏展开装置，因此具备上述实施例的全部优点，此处不再赘述。
其中，终端既包括手机、平板电脑等移动终端，又包括汽车、飞机、高铁列车、轮船上面的设备，例如驾驶室内可伸出的操控端设备、乘客座位上的视听设备，还包括电视、显示器等显示设备。
在本实用新型中，术语“第一”、“第二”、“第三”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“多个”则指两个或两个以上，除非另有明确的限定。术语“安装”、“相连”、“连接”、“固定”等术语均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“相连”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本实用新型中的具体含义。
本实用新型的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本实用新型和简化描述，而不是指示或暗示所指的装置或单元必须具有特定的方向、以特定的方位构造和操作，因此，不能理解为对本实用新型的限制。
在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本实用新型的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上仅为本实用新型的优选实施例而已，并不用于限制本实用新型，对于本领域的技术人员来说，本实用新型可以有各种更改和变化。凡在本实用新型的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本实用新型的保护范围之内。

Claims (12)

  1. 一种折叠屏展开装置，其特征在于，包括：
    固定块(10)；以及
    滑动块(20)，与所述固定块(10)滑动连接，折叠屏(90)与所述固定块(10)以及所述滑动块(20)连接，
    其中，所述滑动块(20)能至少部分嵌入所述固定块(10)内，以实现所述折叠屏(90)的折叠；所述滑动块(20)还能从所述固定块(10)内伸出，以使所述折叠屏展开。
  2. 根据权利要求1所述的折叠屏展开装置，其特征在于，
    所述固定块(10)与所述滑动块(20)中的一个设有导向槽(30)，另一个设有导向凸起(40)，所述导向凸起(40)嵌入所述导向槽(30)内并沿所述导向槽(30)滑动，以实现所述滑动块(20)与所述固定块(10)的滑动连接。
  3. 根据权利要求2所述的折叠屏展开装置，其特征在于，
    所述导向槽位于所述固定块(10)上时，所述导向槽(30)靠近所述滑动块(20)的一端设有第一止挡部(50)，所述导向凸起(40)靠近所述固定块(10)的一端设有第二止挡部，所述第一止挡部(50)能与所述第二止挡部抵靠，以使所述滑动块(20)位于伸出的极限位置。
  4. 根据权利要求1至3中任一项所述的折叠屏展开装置，其特征在于，所述滑动块(20)包括：
    第一子滑块(21)，与所述固定块(10)滑动连接；
    第二子滑块(22)，与所述第一子滑块(21)滑动连接且设于所述第一子滑块(21)远离所述固定块(10)的一侧，所述折叠屏(90)与所述第二子滑块(22)连接。
  5. 根据权利要求1至3中任一项所述的折叠屏展开装置，其特征在于，
    所述固定块(10)或所述滑动块(20)上设有卷轴(70)，所述折叠屏(90)卷设于所述卷轴(70)外，并与未设置卷轴(70)的所述固定块 (10)或所述滑动块(20)固定连接。
  6. 根据权利要求5所述的折叠屏展开装置，其特征在于，
    所述卷轴(70)设于所述滑动块上，所述卷轴(70)设于所述滑动块(20)远离所述固定块(10)的一侧且所述卷轴(70)的轴线与所述滑动块(20)滑动的方向垂直，所述折叠屏(90)与所述固定块(10)远离所述滑动块(20)的一侧固定连接。
  7. 根据权利要求6所述的折叠屏展开装置，其特征在于，还包括：
    复位装置，设于所述滑动块(20)上且与所述卷轴(70)连接，所述复位装置用于在所述滑动块(20)嵌入所述固定块(10)内时带动所述卷轴(70)转动，以使所述折叠屏卷绕于所述卷轴(70)上。
  8. 根据权利要求1至3中任一项所述的折叠屏展开装置，其特征在于，还包括：
    驱动装置(80)，与所述固定块(10)以及所述滑动块(20)连接，所述驱动装置(80)能带动所述滑动块(20)相对于所述固定块(10)滑动，以使所述折叠屏(90)折叠或展开。
  9. 根据权利要求8所述的折叠屏展开装置，其特征在于，所述驱动装置(80)包括丝杠(81)、电机(82)、以及伸缩杆机构(83)，
    所述丝杠(81)与所述固定块(10)转动连接；
    所述电机(82)固设于所述固定块(10)上且所述电机(82)的转轴(70)与所述丝杠(81)连接；
    所述伸缩杆机构(83)的一端与所述丝杠(81)螺纹连接，另一端与所述滑动块(20)滑动连接，
    其中，所述电机(82)带动所述丝杠(81)转动，所述丝杠(81)带动所述伸缩杆机构伸缩，所述伸缩杆机构带动所述滑动块(20)相对所述固定块(10)滑动，以使所述折叠屏(90)折叠或展开。
  10. 根据权利要求8所述的折叠屏展开装置，其特征在于，所述伸缩杆机构(83)包括：
    菱形伸缩杆组(832)和配合件(831)；
    所述配合件(831)与所述丝杠(81)螺纹连接；
    所述菱形伸缩杆组(832)具有驱动侧和从动侧，所述驱动侧的至少一端与所述配合件(831)转动连接，所述滑动块(20)上设有滑槽，所述从动侧的至少一端能嵌入滑槽内并沿滑槽滑动，
    其中，所述丝杠(81)转动时，所述配合件(831)沿所述丝杠(81)运动，所述配合件(831)带动所述菱形伸缩杆组(832)的驱动侧运动，以使所述菱形伸缩杆组(832)伸缩并带动所述滑动块(20)滑动。
  11. 根据权利要求1至3中任一项所述的折叠屏展开装置，其特征在于，所述折叠屏(90)包括柔性屏(91)、基材层(92)以及多个条形龙骨(93)；
    所述柔性屏(91)与所述基材层(92)粘接；
    多个所述条形龙骨(93)间隔设置在所述基材层(92)远离所述柔性屏(91)的一侧，所述条形龙骨(93)的长度方向与所述滑动块(20)滑动的方向垂直。
  12. 一种终端，其特征在于，包括如权利要求1至权利要求9中任一项所述的折叠屏展开装置。
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