CN111828461A - Covering mechanism, folding device and electronic equipment - Google Patents
Covering mechanism, folding device and electronic equipment Download PDFInfo
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- CN111828461A CN111828461A CN201911073909.9A CN201911073909A CN111828461A CN 111828461 A CN111828461 A CN 111828461A CN 201911073909 A CN201911073909 A CN 201911073909A CN 111828461 A CN111828461 A CN 111828461A
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- sliding
- covering
- sheet
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- bendable part
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- 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
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Abstract
The invention provides electronic equipment, which comprises a flexible piece, a shell and a folding device, wherein the shell comprises a first frame body and a second frame body; the folding device comprises a bendable part and a covering mechanism arranged on the bendable part, the covering mechanism comprises a covering piece covering the bendable part and a transmission assembly connected between the covering piece and the bendable part, the covering piece comprises a middle covering piece connected to the bendable part and sliding pieces arranged on two opposite sides of the middle covering piece, and the bending or unfolding of the bendable part drives the two sliding pieces to movably support the middle covering piece through the transmission assembly so as to bend or unfold the covering piece. The application also provides a folding device and a covering mechanism of the electronic equipment.
Description
Technical Field
The invention relates to the field of flexible piece supporting, in particular to a covering mechanism, a folding device with the covering mechanism and electronic equipment.
Background
With the development of display devices, a bendable electronic display screen, i.e., a flexible display screen, has been developed. Compared with the traditional display device, the flexible display screen has the advantages of being foldable, flexible and the like, and is widely favored by consumers. A foldable flexible display screen generally includes a folding device for supporting and protecting a flexible member, and a flexible member that is bent or flattened with the folding device. One side of the folding device in the prior art, which is far away from the flexible part, is not provided with a covering mechanism generally, and the dustproof requirement cannot be met.
Disclosure of Invention
The application provides a cover mechanism with dustproof effect, be provided with cover mechanism's folding device and be provided with folding device's electronic equipment.
The application provides a cover mechanism for covering can bend the part, cover mechanism includes the covering and connect in the covering with can bend the transmission assembly between the part, the covering includes the middle cover plate that is located its centre and connects in with the slide of the relative both sides of middle cover plate slidably, the bending or the expansion of can bend the part drive the slide is supported for middle cover plate activity through the transmission assembly is held.
The application also provides a folding device, which comprises a bendable part and a covering mechanism arranged on the bendable part, wherein the covering mechanism comprises a covering piece covering the bendable part and a transmission assembly connected between the covering piece and the bendable part, the covering piece comprises a middle covering piece connected to the bendable part and sliding pieces arranged on two opposite sides of the middle covering piece, and the bending or unfolding of the bendable part drives the two sliding pieces to movably support the middle covering piece through the transmission assembly so as to bend or unfold the covering piece.
The application also provides electronic equipment, which comprises a flexible part, a shell and a folding device, wherein the shell comprises a first frame body and a second frame body, the folding device is arranged between the first frame body and the second frame body, and the flexible part is arranged on the shell and the folding device; the folding device comprises a bendable part and a covering mechanism arranged on the bendable part, the covering mechanism comprises a covering piece covering the bendable part and a transmission assembly connected between the covering piece and the bendable part, the covering piece comprises a middle covering piece connected to the bendable part and sliding pieces arranged on two opposite sides of the middle covering piece, and the bending or unfolding of the bendable part drives the two sliding pieces to movably support the middle covering piece through the transmission assembly so as to bend or unfold the covering piece.
The folding device of the electronic equipment comprises a bendable part and a covering mechanism, wherein the covering mechanism comprises a covering piece covering the bendable part and a transmission assembly connected with the covering piece and the bendable part, the covering piece comprises a middle covering piece positioned in the middle of the covering piece and sliding pieces positioned on two opposite sides of the middle covering piece, and the two sliding pieces movably abut against the middle covering piece along with the bendable part through the transmission assembly so as to bend or unfold the middle covering piece and the two sliding pieces. Because the covering piece covers the bendable part and the two sliding sheets can movably support the middle covering piece along with the bending or unfolding of the bendable part, the covering piece can prevent dust or sundries from entering the electronic equipment from the bendable part, can prevent light leakage and protects the strength of the folding device.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of an electronic device in an embodiment of the present application.
Fig. 2 is an exploded perspective view of the flexible display, housing, and cover mechanism of the electronic device of fig. 1.
FIG. 3 is an exploded perspective view of the foldable member and the cover mechanism of the folding device of FIG. 2.
Fig. 4 is an enlarged schematic perspective view of the cover mechanism in fig. 2.
Fig. 5 is an exploded perspective view of the cover mechanism of fig. 4.
Fig. 6 is a perspective view of the covering mechanism of fig. 5 from another perspective.
Fig. 7 is an enlarged view of VII portion in fig. 6.
Fig. 8 is a partially assembled schematic view of the cover mechanism of fig. 5.
FIG. 9 is a perspective view of the cover mechanism of FIG. 3 assembled to a bendable member.
Fig. 10 is a cross-sectional view taken along line X-X in fig. 9.
Fig. 11 is an enlarged view of a portion XI in fig. 10.
Fig. 12 is a schematic perspective view of the electronic device in fig. 1 from another perspective.
Fig. 13 is a schematic view of the electronic device in fig. 1 in a bent state.
Fig. 14 is a schematic perspective view of the electronic device in fig. 13 with some elements omitted.
Fig. 15 is a cross-sectional view taken along line XV-XV in fig. 13.
Fig. 16 is an enlarged view of the portion XVI in fig. 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the following description of the various embodiments refers to the accompanying drawings, which illustrate specific embodiments in which the application may be practiced. Directional phrases used in this application, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the application and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the application.
In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed at … …" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1 to fig. 3, an electronic device 100 according to an embodiment of the present disclosure includes a housing 20 and a flexible element 30 disposed on the housing 20. The housing 20 includes a first frame 21, a second frame 23, and a folding device 24 connected between the first frame 21 and the second frame 23. The flexible material 30 is provided on the first frame 21, the second frame 23, and the folding device 24. The flexible element 30 is provided with a bendable region 31 corresponding to the folding means 24 and two non-bendable regions 33 connected to opposite sides of the bendable region 31. The folding device 24 is used to support the bendable region 31 of the flexible member 30, and the bendable region 31 is bent or flattened with the folding device 24. The folding device 24 comprises a bendable part 26 and a covering mechanism 28 arranged on the bendable part 26; specifically, the covering mechanism 28 is located on a side of the bendable part 26 facing away from the flexible member 30, the covering mechanism 28 includes a covering member 280 covering the bendable part 26 and a transmission assembly 285 connected to the covering member 280 and the bendable part 26, the covering member 280 includes a middle covering sheet 281 located in the middle thereof and two sliding sheets 284 located on two opposite sides of the middle covering sheet 281, and the bending or unfolding of the bendable part 26 drives the two sliding sheets 284 to movably abut against the middle covering sheet 281 through the transmission assembly 285, so that the two sliding sheets 284 and the middle covering sheet 281 are bent or unfolded.
In this embodiment, the two opposite ends of the bendable part 26 are respectively provided with a transmission assembly 285, and the electronic device 100 is, for example, but not limited to, a mobile phone, a tablet computer, a display, a liquid crystal panel, an OLED panel, a television, a smart watch, a VR head-mounted display, a vehicle-mounted display, or any other product and part with a display function.
The folding device 24 of the electronic device 100 of the present application comprises a bendable part 26 and a covering mechanism 28, the covering mechanism 28 comprises a covering member 280 covering the bendable part 26 and a transmission assembly 285 connected to the covering member 280 and the bendable part 26, the covering member 280 comprises a middle covering sheet 281 positioned in the middle and sliding sheets 284 positioned at two opposite sides of the middle covering sheet 281, and the two sliding sheets 284 movably support the middle covering sheet 281 with the bendable part 26 through the transmission assembly 285 so as to bend or unfold the middle covering sheet 280 and the two sliding sheets 284. Since the cover 280 covers the foldable member 26 and the two sliding pieces 284 can movably support the middle cover piece 281 as the foldable member 26 is folded or unfolded, the cover 280 can prevent dust or impurities from entering the electronic device 100 from the foldable member 26, prevent light leakage and protect the strength of the folding device 24.
At least one sliding part 265 is respectively arranged on two opposite sides of the bendable part 26, the covering mechanism 28 comprises at least two transmission assemblies 285, the two transmission assemblies 285 are respectively connected between the two sliding parts 265 and the sliding sheet 284, and the bending or unfolding of the bendable part 26 drives the sliding parts 265 to move and drives the sliding sheet 284 to move relative to the middle covering sheet 281 through the transmission assemblies 285 so as to realize the bending or unfolding of the covering part 280. In this embodiment, the sliding portion 265 is a slider.
As shown in fig. 3, the bendable member 26 includes a central hinge 261 at a central position thereof, supports 264 at opposite sides of the central hinge 261, and at least one support hinge 262 hinged between each support 264 and the central hinge 261. In this embodiment, the supporting members 264 are connecting hinges, the middle hinge 261, the supporting hinge 262 and the supporting members 264 are rotatably connected into a whole through the linkage 29, wherein the bending or flattening of one supporting member 264 drives the other supporting member 264 and the supporting hinge 262 to bend or flatten together through the linkage 29, thereby realizing the bending or flattening of the bendable part 26.
At least one sliding part 265 is arranged on one side of at least one supporting hinge joint 262 facing the supporting part 264, each sliding part 265 is rotatably connected with the supporting hinge joint 262, the sliding part 265 is slidably inserted into the corresponding supporting part 264, and a transmission assembly 285 is arranged between the sliding part 265 and the covering mechanism 28. In this embodiment, the two opposite ends of the supporting hinge 262 facing the corresponding supporting member 264 are respectively provided with a sliding part 265, and a transmission assembly 285 is arranged between each sliding part 265 and the covering mechanism 28. Each sliding portion 265 is slidably connected to the corresponding supporting member 264 along a direction perpendicular to the bending axis of the bendable part 26, and the sliding of the sliding portion 265 causes the covering member 280 to bend or unfold through the corresponding transmission assembly 285. The link mechanism 29 includes a rotating shaft 290 connected to the sliding portion 265, the sliding portion 265 being rotatable about an axis of the rotating shaft 290, and the support hinge 262 being connected to the rotating shaft 290. Specifically, two opposite ends of the foldable member 26 are respectively provided with a linkage 29, each linkage 29 is fixedly connected to two opposite ends of the middle hinge 261, each linkage 29 comprises two rotating shafts 290 spaced in parallel, each rotating shaft 290 is connected to a corresponding supporting hinge 262, one end of the sliding part 265 near the middle hinge 261 is rotatably connected to the corresponding rotating shaft 290, and the other end of the sliding part 265 far from the middle hinge 261 is slidably connected to the corresponding supporting part 265.
Specifically, each supporting element 264 has a guiding slot 2640 corresponding to the sliding portion 265, the guiding slot 2640 extends along a direction perpendicular to the bending axis of the bendable part 26, and the sliding portion 265 slides in the corresponding guiding slot 2640. A connecting column 2652 is disposed on a side of each sliding portion 265 away from the corresponding support hinge 262, and the connecting column 2652 is provided with a connecting hole 2654 along an axial direction thereof. Two opposite ends of one side of each supporting element 264, which faces away from the middle hinge 261, are respectively provided with a lug 2642, a connecting sheet 2644 is fixedly connected to the lug 2642, a guide post 2645 is arranged on the connecting sheet 2644, and a connecting hole 2646 is formed in the guide post 2645 along the axial direction. Each support 264 has a rotating hole 2647 near the corresponding sliding guide slot 2640, and the sliding guide slot 2640 is located between the rotating hole 2647 and the guiding post 2645. The side of the middle hinge 261 facing away from the flexible member is provided with a plurality of snap-in clips 2611 along its length
Referring to fig. 3 to 6, the middle covering sheet 281 is attached to the back of the foldable member 26, and during the folding or unfolding process of the foldable member 26, one side of each sliding sheet 284 close to the middle covering sheet 281 slidably and rotatably supports the middle covering sheet 281, so as to realize the folding or unfolding of the covering element 280. Specifically, when the foldable member 26 is unfolded, the intermediate cover sheet 281 and the slide tabs 284 located on opposite sides of the intermediate cover sheet 281 abut against each other in sequence; when the pliable component 26 is flexed, the side of the pliable component 26 facing the cover mechanism 28 compresses and the slide tab 284 slides toward the middle cover sheet 281 to compress the cover mechanism 28 in unison with the pliable component 26. Preferably, the sliding piece 284 slides towards the middle covering sheet 281 while rotating synchronously with the bendable part 26.
In this embodiment, each transmission assembly 285 includes a transmission component 286 connected between the corresponding sliding piece 284 and the sliding portion 265, the sliding portion 265 is driven by the bending or unfolding of the bendable part 26, the sliding portion 265 drives the two sliding pieces 284 to move through the transmission component 286, so that one side of each sliding piece 284 close to the middle covering piece 281 slidably abuts against the middle covering piece 281, so as to realize that the middle covering piece 281 and the two sliding pieces 284 are bent or flattened along with the bendable part 26. The transmission member 286 is used for amplifying the sliding distance of the sliding portion 265 and outputting the amplified sliding distance to the sliding plate 284, and in this embodiment, the transmission member 286 is a strip-shaped transmission plate, one end of the transmission plate is rotatably connected to the supporting member 264, the sliding portion 265 is rotatably and slidably connected to the middle portion of the transmission plate or near the middle portion of the transmission plate, and the other opposite end of the transmission plate is rotatably and slidably connected to the sliding plate 284, so as to output the sliding distance of the sliding portion 265 to the sliding plate 284. In other embodiments, the transmission member may also be an amplifying gear set for amplifying the sliding distance of the sliding portion 265 to output to the sliding plate 284.
Specifically, the middle cover sheet 281 is a strip-shaped sheet structure, the middle cover sheet 281 includes a fixing portion 282 located at a middle portion thereof and connecting portions 283 located at opposite sides of the fixing portion 282, the fixing portion 282 is used for being fixedly connected to the bendable part 26, and each sliding sheet 284 can slidably and rotatably abut against the corresponding connecting portion 283 along with bending or unfolding of the bendable part 26, so that the cover 280 can be bent or flattened along with the bendable part 26. Specifically, when the foldable member 26 is unfolded, the connecting portion 283 of the middle cover sheet 281 and the sliding pieces 284 located on opposite sides of the middle cover sheet 281 are sequentially abutted against each other; when the bendable member 26 is bent, the sliding piece 284 slides along the connection portion 283 toward the fixing portion 282 to compress the cover mechanism 28 in synchronization with the bendable member 26.
Each connecting portion 283 is made of an elastic material such as rubber, silicon or plastic, and during the bending or unfolding of the foldable member 26, each sliding piece 284 slides and rotates with the corresponding connecting portion 283 to abut against the elastic force of the connecting portion 283, so that no gap is kept between the sliding piece 284 and the connecting portion 283. Specifically, when the foldable member 26 is bent or unfolded, each sliding piece 284 abuts against the corresponding connecting portion 283, that is, each sliding piece 284 is in interference fit with the corresponding connecting portion 283, and the connecting portion 283 is abutted by the sliding piece 284 and slightly elastically deformed, that is, the position where the connecting portion 283 is abutted by the corresponding sliding piece 284 is concave, so that no gap is kept between each sliding piece 284 and the corresponding connecting portion 283, thereby improving the dust-proof function of the covering member 280. The fixing portion 282 and the connecting portion 283 may be made of the same material or different materials, the fixing portion 282 is used for being fixedly connected to the middle hinge joint 261, the connecting portion 283 is sealed against the corresponding sliding sheet 284, and the fixing portion 282, the connecting portion 283 and the sliding sheet 284 are sealed and covered on the bendable part 26 together. The fixing portion 282 is integrally formed with the two connecting portions 283.
Referring to fig. 6 and 7, the connecting portion 283 of the middle covering sheet 281 is provided with a slot 2831 facing one side of the corresponding sliding sheet 284 along the bending axis parallel to the bendable part 26, and the slot 2841 is provided on one side of the sliding sheet 284 facing the middle covering sheet 281, and after the bendable part 26 is unfolded, the slot 2831 is received in the corresponding slot 2831. That is, when the cover 280 is unfolded, the strap 2841 of the slider 284 is received in the strap slot 2831 of the middle covering sheet 281, and the strap 2841 of the slider 284 abuts against the middle covering sheet 281 to maintain a gap-free state. When the bendable member 26 is bent, the strap 2841 of the sliding piece 284 overcomes the elastic force of the strap slot 2831, slides towards the fixing portion 282 along the connecting portion 283 and synchronously rotates with the bendable member 26; when the bendable part 26 is bent to a certain angle, the strap 2841 is separated from the strap slot 2831.
Two protruding strips 2821 are arranged on one side of the middle covering sheet 281, which is far away from the bendable part 26, along a bending axis parallel to the bendable part, after the bendable part 26 is bent, each sliding sheet 284 slides along with the bendable part 26 relative to the middle covering sheet 281 and rotates until one side of the sliding sheet 284 abuts against the corresponding protruding strip 2821, and the protruding strips 2821 are slightly inwards concave to enable the sliding sheets 284 to abut against the middle covering sheet 281 in a sealing manner and keep no gap. The fixing portion 282 has a plurality of fastening posts 2823 disposed on a side facing the foldable member 26, and the fastening posts 2823 are spaced apart from each other along the length of the middle covering sheet 281.
Referring to fig. 3 to fig. 7, at least one protrusion 2840 is disposed on a side of each sliding plate 284 away from the middle covering sheet 281, at least one protrusion 2840 defines a guiding slot 2842, and the guiding slot 2842 extends along a direction perpendicular to a bending axis of the bendable part 26. In this embodiment, two opposite ends of each sliding piece 284 facing away from the middle covering piece 281 are respectively provided with a lug 2840, and each lug 2840 is provided with a sliding guide 2842 along a direction perpendicular to the bending axis of the bendable part 26. Each sliding piece 284 is provided with a positioning slot 2844 adjacent to the lug 2840, and two positioning slots 2844 on the same side of each sliding piece 284 are located between the two lugs 2840.
The first end of the transmission member 286 is rotatably connected to the supporting member 264, the opposite second end of the transmission member 286 is movably connected to the corresponding sliding piece 284, and the sliding portion 265 is movably connected to the middle portion of the corresponding transmission member 286. The movement of the sliding portion 265 drives the first end of the transmission member 286 to rotate relative to the supporting member 264, so that the second end of the transmission member 286 moves to drive the sliding piece 284 to move.
Specifically, driving medium 286 is the strip piece, and first connecting groove 2861 is seted up along its length direction in the middle part of driving medium 286, and rotation hole 2863 is seted up to the first end of driving medium 286, and second connecting groove 2865 is seted up to the second end of driving medium 286, and first connecting groove 2861 and second connecting groove 2865 all extend along the length direction of driving medium 286, and the extension length of second connecting groove 2865 is greater than the extension length of first connecting groove 2861.
Each drive assembly 285 further includes a connecting link 287 connected between each drive member 286 and the slide plate 284, the connecting link 287 being fixedly connected to the slide plate 284, and the connecting link 287 being movably connected to the drive member 286. Specifically, the connecting tab 287 is fixedly coupled within the corresponding positioning slot 2844. One end of the connecting piece 287 is provided with a connecting column 2870 corresponding to the second connecting groove 2865 of the driving member 286, and the connecting column 2870 is movably inserted into the second connecting groove 2865. An annular groove 2872 is formed in the outer side wall of the connecting post 2870, and the peripheral wall of the second connecting groove 2865 of the transmission piece 286 is accommodated in the annular groove 2872.
Referring to fig. 3 to 11, when the cover mechanism 28 is assembled to the bendable member 26, the connecting rod 2870 of the connecting piece 287 of each transmission assembly 285 is inserted into the second connecting slot 2865, so that the peripheral wall of the second connecting slot 2865 of the transmission piece 286 is received in the annular groove 2872 of the connecting rod 2870; fixing the connecting piece 287 of each transmission assembly 285 in the corresponding positioning slot 2844 of the slide 284, so that the transmission assembly 285 is fixedly installed in the positioning slot 2844 of each slide 284; clamping posts 2823 on the middle covering sheet 281 are respectively clamped with corresponding clamping clamps 2611 on the middle hinge joint 261, so that the middle covering sheet 281 is fixedly connected with the middle hinge joint 261; two sliders 284 are respectively overlaid on the bendable part 26, and the strap 2841 of each slider 284 is respectively received in the corresponding strap slot 2831 of the middle covering sheet 281 so that the overlaying mechanism 28 is overlaid on the bendable part 26. The rotation hole 2863 and the first connection slot 2861 of each transmission element 286 are opposite to the corresponding rotation hole 2647 and the corresponding connection post 2652, respectively, and the guide post 2645 is slidably inserted into the guide slot 2842, so as to provide a plurality of screws to be inserted into the rotation hole 2863 and the first connection slot 2861 and locked in the corresponding rotation hole 2647 and the corresponding connection hole 2654, respectively. At this time, the sliding portion 265 is connected to the first connecting slot 2861 through the locking member, the rotating hole 2863 of the transmission member 286 is rotatably connected to the corresponding rotating hole 2647 through the locking member, and the sliding of the sliding portion 265 causes the locking member to slide and rotate in the first connecting slot 2861, so that the transmission member 286 rotates along the axial line of the rotating hole 2647; the guide posts 2645 are inserted into the guide slots 2842 of the corresponding lugs 2642, and the bending or unfolding of the bendable part 26 causes the guide posts 2645 to slide in the guide slots 2842.
In other embodiments, the retainer 282 may be connected to the central hinge 261 by screwing, welding, gluing, or snapping.
As shown in fig. 3 and 11, the two supporting members 264 are respectively hinged to the two corresponding supporting hinges 262, one side of the two supporting hinges 262 away from the supporting members 264 is respectively hinged to two opposite sides of the middle hinge 261, specifically, each supporting hinge 264 rotates with the corresponding supporting hinge 262 through a first virtual shaft a1, each supporting hinge 262 rotates with the middle hinge 261 through a second virtual shaft a2, the two second virtual shafts a2 are located between the two first virtual shafts a1, and the distances from the two first virtual shafts a1 to the corresponding second virtual shafts a2 are the same and equal to the distance between the two second virtual shafts a 2. The two supports 264 rotate about the corresponding first virtual axes a1, respectively; the two support hinges 262 are each rotatable about a corresponding second virtual axis a 2. Each first virtual axis A1 is spaced parallel to the second virtual axis A2, and the first virtual axis A1 has the same axis radius as the second virtual axis A2. In the flattened state, the distance between two opposite side surfaces of the two supporting members 264 is L, that is, the linear distance between the two side surfaces of the two supporting members 264 at the bending outer sides when the two supporting members are flattened is L. The first virtual axis a1 and the second virtual axis a2 are located outside the bendable part 26, and preferably, the first virtual axis a1 and the second virtual axis a2 are located on the flexible element 30 covering the bendable part 26, so that the bending resistance of the flexible element 30 can be improved, and the flexible element 30 can be guaranteed not to be damaged to the maximum extent. Further, the first virtual axis a1 and the second virtual axis a2 may also be located on the neutral layer of the flexure.
The neutral layer is that the outer layer of the flexible member 30 is stretched and the inner layer of the flexible member 30 is extruded during the bending process of the flexible member 30, and a transition layer which is not stretched and is not extruded or stretched or extruded has relatively small acting force is arranged on the section of the transition layer, the stress of the transition layer is small, and the transition layer is the neutral layer.
Referring to fig. 1-2 and 12, the folding device 24 is disposed between the first frame 21 and the second frame 23, the two lugs 2642 of the connecting links 264 are respectively connected to the first frame 21 and the second frame 23, the back surfaces of the two non-bending areas 33 of the flexible element 30 are respectively attached to the first frame 21 and the second frame 23, and the back surface of the bending area 31 of the flexible element 30 is mounted on the front surface of the bending part 26. At this time, the back surface of the flexible member 30 is fixed to the front surfaces of the first frame 21, the second frame 23 and the foldable member 26, the covering mechanism 28 covers the side of the foldable member 26 away from the flexible member 30, and the foldable area 31 of the flexible member 30 and the covering mechanism 28 can be bent and unfolded with the bending of the folding device 24.
Referring to fig. 3 to 7 and 13 to 16, when the electronic apparatus 100 is bent, a bending force is applied to at least one of the first frame 21 and the second frame 23 of the electronic apparatus 100, so that the connecting links 264 connected to the first frame 21 and the second frame 23 rotate in opposite directions, and the linkage 29 is used to achieve synchronous bending of the folding device 24. Each sliding portion 265 pushes the corresponding transmission element 286 to a side far from the middle hinge joint 261 along with the bending of the folding device 24, specifically, the connection post 2652 on each sliding portion 265 pushes the inner wall of the first connection slot 2861 of the corresponding transmission element 286 in a sliding manner, so that the transmission element 286 rotates towards the side far from the middle hinge joint 261 along the axial line of the corresponding rotation hole 2647, the transmission element 286 drives the corresponding sliding piece 284 to slide towards the side far from the middle hinge joint 261 by sliding and rotating the connection post 2870 of the connection piece 287 in the second connection slot 2865 of the corresponding transmission element 286, and each guide post 2645 slides along the corresponding guide slot 2842. Because the fixing portion 282 of the middle covering sheet 281 is fixed to the middle hinge 261, and the connecting portion 283 is made of an elastic material, when the two sliding pieces 284 slide together in a direction away from the middle hinge 261, one side of each sliding piece 284 close to the middle hinge 261 slides and rotates relative to the middle covering sheet 281, and the sliding pieces 284 abut against the corresponding connecting portion 283, that is, the overlapping strip 2841 of each sliding piece 284 disengages from the overlapping groove 2831 of the corresponding connecting portion 283, and moves until the overlapping strip 2841 abuts against the corresponding protruding strip 2821; the two ribs 2821 are elastically deformed to make each sliding piece 284 and the connecting portion 283 tightly abut against each other without a gap, so that the covering member 280 is bent along with the bending of the folding device 24, and the covering member 280 is always attached to the bendable part 26 to prevent dust, sundries or glare from entering the electronic device 100.
In other bending modes of the electronic device 100, a bending force may be applied to the first frame 21 and the second frame 23 at the same time, the first frame 21 and the second frame 23 respectively drive the corresponding supporting member 264 to rotate relative to the supporting hinge 262 toward a side away from the flexible member 30, the electronic device 100 is folded by the linkage mechanism 29, and the foldable member 26 is covered by the covering mechanism 28 to prevent dust, impurities or strong light from entering the electronic device 100.
When the electronic apparatus 100 is unfolded, a force for flattening is applied to at least one of the first frame 21 and the second frame 23 of the electronic apparatus 100, so that the connecting links 264 connected to the first frame 21 and the second frame 23 are rotated in directions away from each other, and the linkage mechanism 29 is used to synchronously unfold the folding device 24. Each sliding portion 265 pulls the corresponding transmission element 286 to a side close to the middle hinge joint 261 along with the unfolding of the folding device 24, specifically, the connecting post 2652 on each sliding portion 265 slidingly pulls the inner wall of the first connecting slot 2861 of the corresponding transmission element 286, so that the transmission element 286 rotates toward the side close to the middle hinge joint 261 along the axial line of the corresponding rotating hole 2647, the transmission element 286 slides and rotates in the second connecting slot 2865 of the corresponding transmission element 286 through the connecting post 2870 of the connecting piece 287 to drive the corresponding sliding piece 284 to slide toward the side close to the middle hinge joint 261, and each guide post 2645 slides along the corresponding guide slot 2842. Since the fixing portion 282 is fixed to the middle hinge joint 261, and the connecting portion 283 is made of an elastic material, when the two sliding pieces 284 slide together in a direction close to the middle hinge joint 261, one side of each sliding piece 284 close to the middle hinge joint 261 slides and rotates relative to the middle covering sheet 281, and the sliding pieces 284 abut against the corresponding connecting portion 283, that is, the overlapping strip 2841 of each sliding piece 284 is separated from the corresponding protruding strip 2821 and moves into the overlapping groove 2831 inserted into the corresponding connecting portion 283, so that each sliding piece 284 abuts against the corresponding connecting portion 283 in a sealing manner without a gap, and the covering member 28 is flattened along with the flattening of the folding device 24, and the covering member 28 is always abutted against the bendable part 26 to prevent dust, sundries or bright light from entering the electronic device 100.
In other bending modes of the electronic device 100, a flattening force may be applied to the first frame 21 and the second frame 23 at the same time, the first frame 21 and the second frame 23 respectively drive the corresponding supporting pieces 264 to rotate towards one side close to the flexible piece 30 relative to the supporting hinges 262, the electronic device 100 is flattened through the linkage mechanism 29, and the foldable part 26 is covered by the covering mechanism 28, so as to prevent dust, impurities or strong light from entering the electronic device 100.
The folding device 24 completes the bending, and the flexible member 30 is bent along with the folding device 24. As shown in fig. 15 and 16, the distance between the two opposite sides of the support member 264 in the bent state along the bending outer side of the bendable part 26 is also L, i.e. the straight line distance between the two support members 264 of the bendable part 26 located on the bending outer side in the unfolded state is equal to the distance along the bending outer side of the bendable part 26 in the folded state, so that the width of the bendable region 31 of the flexible member 30 covered on the bendable part 26 in the bent state is equal to the width in the unfolded state, and the flexible member 30 can be prevented from being crushed, protruded or stretched to damage the screen. When the bendable member 26 is in the bent state, the first virtual axis and the second virtual axis are located outside the bendable member 26, and preferably, the first virtual axis and the second virtual axis are located on a neutral layer of the flexible member 30 covering the bendable member 26.
The first virtual axis a1 and the second virtual axis a2 of the bendable elements 26 of the present invention are both located on the neutral layer when the electronic device 100 is bent or flattened, thereby ensuring that the flexible elements 30 are not damaged to the maximum extent.
When the bendable part 26 is bent, the driving assembly 285 drives the sliding piece 284 to move relative to the bendable part 26 in a direction away from the bendable part 26. The foldable member 26 includes a supporting member 264 and a sliding member 265 slidable relative to the supporting member 264, and the transmission assembly 285 includes a transmission member 286 connecting the sliding member 265 and the sliding plate 284, and the sliding member 286 drives the sliding plate 284 to slide relative to the supporting member 264 when the sliding member 265 slides relative to the supporting member 264. When the bendable part 26 is bent, the sliding distance of the sliding portion 265 relative to the support 264 is smaller than the sliding distance of the sliding piece 284 relative to the support 264. When the sliding portion 265 and the sliding piece 284 rotate by the same angle following the bending of the bendable member 26, the sliding distance of the sliding portion 265 relative to the support 264 is smaller than the sliding distance of the sliding piece 284 relative to the support 264.
The bendable member 26 further includes a rotating shaft 290 connected to the sliding portion 265, and the sliding portion 265 is rotatable around an axis of the rotating shaft 290. When the bendable part 26 is bent, the rotating shaft 290 rotates and drives the sliding portion 265 to rotate, and the sliding portion 265 slides and abuts against the supporting member 264 to drive the supporting member 264 to rotate and simultaneously slide relative to the supporting member 264. When the bendable part 26 is bent, the sliding part 265 drives the sliding piece 284 to slide relative to the bendable part 26 in the axial direction away from the rotating shaft 290 through the transmission assembly 285. When the sliding portion 265 and the sliding piece 284 rotate by the same angle around the axis of the rotating shaft 290 following the bending of the bendable part 26, the sliding distance of the sliding portion 265 relative to the support 264 is smaller than the sliding distance of the sliding piece 284 relative to the support 264. The bendable member 26 further includes a central hinge 261 pivotally connected to the support 264, and a pivot 290 is provided on the central hinge 261. The bendable member 26 also includes a support hinge 262 that pivotally connects the support 264 with the central hinge 261.
The transmission member 286 is used to transmit the sliding distance of the sliding portion 265 relative to the support 264 to the sliding piece 284. Specifically, the transmission member 286 serves to amplify and output the sliding distance of the sliding portion 265 to the sliding piece 284. The transmission member 286 is used to adjust the sliding distance of the sliding piece 284 relative to the support 264 according to the sliding distance of the sliding portion 265 relative to the support 264. Further, the sliding distance of the sliding piece 284 relative to the support 264 is enlarged by the transmission 286 in comparison with the sliding distance of the sliding portion 265 relative to the support 264, and preferably, the sliding distance of the sliding piece 284 relative to the support 264 is enlarged in equal proportion to the sliding distance of the sliding portion 265 relative to the support 264 by the transmission 286. The slide tab 284 is closer to the inside of the bend of the bendable part 26 than the slide portion 265.
The sliding piece 284 is connected to a first position of the transmission member 286, and the sliding portion 265 is connected to a second position of the transmission member 286, the first position being different from the second position. The transmission distance of the transmission member 286 relative to the sliding portion 265 in the second position is smaller than the transmission distance of the transmission member 286 relative to the sliding plate 284 in the first position. Drive 286 rotates about axis 290 as bendable member 26 is bent, the first position being further from the axis than the second position. The transmission distance refers to the distance that one element drives another element to move or the distance that one element is driven by another element to move.
One end of the transmission member 286 is rotatably connected to the supporting member 264, the sliding portion 265 is connected to the second position of the transmission member 286 through a locking member, and when the sliding portion 265 slides relative to the supporting member 264, the locking member moves relative to the supporting member 264 and the rotating shaft simultaneously. As the bendable section 26 is bent, the locking member slides toward the pivot 290 and simultaneously slides relative to the support member 264. The slider 284 is connected to the driving member 286 at a first position through the connecting rod 2870, and when the slider 284 slides relative to the support 264, the connecting rod 2870 simultaneously moves relative to the support 264 and the rotating shaft 290. When the bendable part 26 is bent, the connecting post 2870 slides toward the rotating shaft 290 and simultaneously slides relative to the supporting member 260; when the bendable part 26 is bent, the connecting post 2870 slides a larger distance relative to the rotating shaft 290 than the locking member 2866 slides relative to the rotating shaft 290.
When the foldable member 26 is in the unfolded state, the transmission member 286 is tilted with respect to the support 264. When the foldable member 26 is folded, the distance between the sliding piece 284 and the fixed part 282 changes. The coupling portion 283 is made of a flexible material, and the fixing portion 282 and the slider 284 are made of a hard material.
The foregoing is illustrative of embodiments of the present invention, and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the embodiments of the present invention and are intended to be within the scope of the present invention.
Claims (28)
1. A folding device is characterized by comprising a bendable part and a covering mechanism arranged on the bendable part, wherein the covering mechanism comprises a covering part covering the bendable part and a transmission assembly connected between the covering part and the bendable part, the covering part comprises a middle covering sheet connected to the bendable part and sliding sheets arranged on two opposite sides of the middle covering sheet, and the bending or unfolding of the bendable part drives the two sliding sheets to movably abut against the middle covering sheet through the transmission assembly so as to bend or unfold the covering part.
2. The folding apparatus of claim 1 wherein said foldable member has at least one sliding portion disposed on opposite sides thereof, said covering mechanism includes at least two of said transmission members connected between said two sliding portions and corresponding sliding pieces, and said foldable member is folded or unfolded to move said sliding portions and said sliding pieces relative to said intermediate covering sheet via said transmission members.
3. The folding apparatus as claimed in claim 2, wherein said intermediate covering sheet is attached to said foldable member, each transmission assembly includes a transmission member connected between the corresponding slide and a sliding portion, the folding or unfolding of said foldable member drives the sliding portion to move, and the sliding portion drives the two slides to move through the transmission member, so that one side of each slide adjacent to said intermediate covering sheet can slidably and rotatably support said intermediate covering sheet.
4. The folding apparatus of claim 1 wherein said intermediate cover sheet and said slides on opposite sides of said intermediate cover sheet abut one another in sequence when said foldable member is unfolded; when the bendable part is bent, the side of the bendable part, which faces the covering mechanism, is compressed, and the sliding sheet slides towards the middle covering sheet, so that the covering mechanism and the bendable part are synchronously compressed.
5. The folding apparatus of claim 4 wherein the slider slides toward said intermediate cover sheet while simultaneously rotating in unison with said foldable member.
6. The folding apparatus as claimed in claim 4, wherein said middle covering sheet includes a fixing portion at a middle portion thereof and connecting portions at opposite sides of said fixing portion, said fixing portion is configured to be fixedly connected to a middle portion of said foldable member, each sliding piece can slide along with the foldable member being folded or unfolded and rotatably abut against the corresponding connecting portion.
7. The folding apparatus of claim 6 wherein the attachment portion of said intermediate cover sheet and the slides on opposite sides of said intermediate cover sheet abut one another in sequence when said foldable member is unfolded; when the bendable part is bent, the sliding sheet slides towards the fixing part along the connecting part, so that the covering mechanism and the bendable part are synchronously compressed.
8. The folding apparatus of claim 6, wherein each connecting portion is made of an elastic material, and each sliding piece slides and rotates with the corresponding connecting portion during the folding or unfolding process of the foldable member due to the elasticity of the connecting portion, so that no gap is maintained between the sliding piece and the connecting portion.
9. The folding apparatus of claim 8, wherein each of the connecting portions has a groove extending parallel to the bending axis of the foldable member and facing a side of the corresponding slider, and each of the sliders has a strip extending toward a side of the intermediate covering sheet, and wherein after the foldable member is unfolded, the strip of each of the sliders is received in the corresponding groove to sealingly engage each of the sliders with the intermediate covering sheet.
10. The folding apparatus as claimed in claim 9, wherein when said foldable member is folded, the overlapping strip of said sliding piece slides along said connecting portion toward said fixed portion against the elastic force of said overlapping groove and rotates synchronously with said foldable member; when the bendable part is bent to a certain angle, the lap joint strip is separated from the lap joint groove.
11. The folding apparatus of claim 4 wherein the side of said intermediate cover sheet facing away from said foldable member is provided with two ribs along a folding axis parallel to said foldable member, and wherein after said foldable member is folded, the side of each slide sheet facing said intermediate cover sheet abuts against the corresponding ribs, so that no gap is maintained between each slide sheet and said intermediate cover sheet.
12. The folding apparatus of claim 1, wherein said foldable member includes a central hinge at a central portion thereof, support members at opposite sides of said central hinge, and at least one support hinge connected between each support member and said central hinge, two of said slide members being respectively disposed at opposite sides of said central hinge, two of said drive members having first ends thereof respectively rotatably connected to said two support members, two of said drive members having second ends respectively movably connected to said two slide members, each of said slide members being movably connected to a central portion or a portion near the central portion of the corresponding drive member.
13. The folding apparatus of claim 9, wherein the middle portion and the second end of the driving member are respectively formed with a first connecting groove and a second connecting groove along the length direction thereof, the sliding portion is connected to the first connecting groove by a locking member, the driving assembly further comprises a connecting piece connected between each driving member and the sliding piece, the connecting piece is provided with a connecting post fixedly connected to the sliding piece, and the connecting post is movably inserted into the second connecting groove.
14. The folding apparatus of claim 9, wherein each slider is provided with at least one lug extending outwardly from a side of the middle covering sheet, at least one of the lugs defining a guide slot extending in a direction perpendicular to the bending axis of the foldable member, the lug being connected to the corresponding support member by a locking member inserted into the guide slot.
15. The folding apparatus of claim 12, wherein said supporting member is provided with a guide post corresponding to said guide slot, said guide post being slidably inserted into said guide slot.
16. The folding apparatus of claim 1, wherein the drive assembly moves the slide relative to the flexible member in a direction away from the flexible member during folding of the flexible member.
17. The folding apparatus of claim 3, wherein said foldable members include support members, each of said sliding portions being slidable relative to said support members, said sliding portions being slidable relative to said support members by a driving member to cause said sliding pieces to slide relative to said support members.
18. The folding apparatus of claim 14, wherein the distance that the sliding portion slides relative to the support member when the bendable member is bent is less than the distance that the sliding piece slides relative to the support member.
19. The folding apparatus of claim 14, wherein the sliding portion slides a distance relative to the support member that is less than a sliding distance of the sliding portion relative to the support member when the sliding portion is rotated by the same angle as the sliding portion rotates following the bending of the bendable member.
20. The folding apparatus of claim 14, wherein said foldable member further comprises a shaft coupled to a slide, the slide being rotatable about the axis of the shaft; when the bendable part is bent, the rotating shaft rotates and drives the sliding part to rotate, and the sliding part slides and abuts against the supporting part to drive the supporting part to rotate and simultaneously slide relative to the supporting part.
21. The folding apparatus of claim 17, wherein the sliding portion slides a smaller distance with respect to the support than the sliding portion slides with respect to the support when the sliding portion rotates by the same angle about the axis of the rotary shaft following the bending of the bendable section.
22. An electronic device comprising a flexible member, a housing and the folding device according to any one of claims 1 to 21, wherein the housing comprises a first frame and a second frame, the folding device is disposed between the first frame and the second frame, the flexible member is disposed on the housing and the folding device, and the flexible member is bent or flattened along with the folding device.
23. A covering mechanism for covering a bendable part, the covering mechanism comprising a covering member and a transmission assembly connected between the covering member and the bendable part, the covering member comprising a middle covering sheet in the middle thereof and sliding sheets slidably connected to two opposite sides of the middle covering sheet, wherein the bending or unfolding of the bendable part drives the sliding sheets to movably abut against the middle covering sheet through the transmission assembly.
24. A cover mechanism according to claim 23, wherein when said foldable member is unfolded, said intermediate cover sheet and said slider sheet on opposite sides of said intermediate cover sheet abut one another in sequence; when the bendable part is bent, the side of the bendable part, which faces the covering mechanism, is compressed, and the sliding sheet slides towards the middle covering sheet, so that the covering mechanism and the bendable part are synchronously compressed.
25. A cover mechanism according to claim 24 wherein the slider slides towards the intermediate cover sheet while simultaneously rotating in unison with the bendable members.
26. A cover mechanism as set forth in claim 24 wherein said intermediate cover sheet includes a fixed portion at a central portion thereof for fixed attachment to a central portion of said foldable member and connecting portions at opposite sides of said fixed portion, each slide being slidable upon bending or flattening of the foldable member and rotatably supported against the corresponding connecting portion.
27. A cover mechanism according to claim 26, wherein when said foldable member is unfolded, said connecting portion of said intermediate cover sheet and said slider on opposite sides of said intermediate cover sheet abut each other in sequence; when the bendable part is bent, the sliding sheet slides towards the fixing part along the connecting part, so that the covering mechanism and the bendable part are synchronously compressed.
28. A cover mechanism according to claim 27, wherein each connecting portion is made of a resilient material, and the bendable section is configured such that during bending or flattening, each slide slides and pivots against the corresponding connecting portion due to the resilience of the connecting portion to maintain a gap-free relationship between the slide and the connecting portion.
Applications Claiming Priority (12)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/083255 WO2020029605A1 (en) | 2018-08-09 | 2019-04-18 | Foldable device and preparation method therefor |
| CNPCT/CN2019/083255 | 2019-04-18 | ||
| PCT/CN2019/097328 WO2020029795A1 (en) | 2018-08-09 | 2019-07-23 | Foldable device |
| CNPCT/CN2019/097328 | 2019-07-23 | ||
| CNPCT/CN2019/101253 | 2019-08-18 | ||
| PCT/CN2019/101260 WO2021007914A1 (en) | 2019-07-15 | 2019-08-18 | Bendable device |
| CNPCT/CN2019/101260 | 2019-08-18 | ||
| PCT/CN2019/101253 WO2021007907A1 (en) | 2019-07-15 | 2019-08-18 | Linkage mechanism, folding device, and electronic apparatus |
| PCT/CN2019/103742 WO2020211257A1 (en) | 2019-04-18 | 2019-08-30 | Covering mechanism, folding device and electronic apparatus |
| CNPCT/CN2019/103742 | 2019-08-30 | ||
| PCT/CN2019/104429 WO2021007936A1 (en) | 2019-07-15 | 2019-09-04 | Linkage mechanism, folding device, and electronic device |
| CNPCT/CN2019/104429 | 2019-09-04 |
Publications (1)
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|---|---|
| CN111828461A true CN111828461A (en) | 2020-10-27 |
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| CN201911074906.7A Pending CN111833725A (en) | 2019-04-18 | 2019-11-05 | Folding device and electronic equipment |
| CN201911073909.9A Pending CN111828461A (en) | 2019-04-18 | 2019-11-05 | Covering mechanism, folding device and electronic equipment |
| CN201911073857.5A Active CN111833724B (en) | 2019-04-18 | 2019-11-05 | Electronic device |
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| CN201911073858.XA Pending CN111828460A (en) | 2019-04-18 | 2019-11-05 | Folding device and electronic equipment |
| CN201911074906.7A Pending CN111833725A (en) | 2019-04-18 | 2019-11-05 | Folding device and electronic equipment |
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| CN201911073857.5A Active CN111833724B (en) | 2019-04-18 | 2019-11-05 | Electronic device |
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| CN114135567A (en) * | 2021-11-29 | 2022-03-04 | Oppo广东移动通信有限公司 | Folding device, folding shell and electronic equipment |
| CN114439846A (en) * | 2020-10-30 | 2022-05-06 | 深圳市柔宇科技股份有限公司 | Covering mechanism, folding device and electronic equipment |
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| CN115263907B (en) * | 2020-11-03 | 2023-12-22 | Oppo广东移动通信有限公司 | Folding device, folding casing and mobile terminal |
| CN114466091B (en) * | 2020-11-09 | 2023-03-14 | 昆山国显光电有限公司 | Foldable supporting member and display device |
| CN114576258B (en) * | 2020-12-02 | 2023-07-25 | 昆山科森科技股份有限公司 | Connecting rod type outward folding flexible screen rotating shaft mechanism |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111828460A (en) | 2020-10-27 |
| CN111833725A (en) | 2020-10-27 |
| CN111833724A (en) | 2020-10-27 |
| CN111833724B (en) | 2022-09-06 |
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