CN112788162B - Folding screen bending mechanism and mobile terminal - Google Patents
Folding screen bending mechanism and mobile terminal Download PDFInfo
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- CN112788162B CN112788162B CN202011562676.1A CN202011562676A CN112788162B CN 112788162 B CN112788162 B CN 112788162B CN 202011562676 A CN202011562676 A CN 202011562676A CN 112788162 B CN112788162 B CN 112788162B
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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
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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Abstract
The invention relates to the technical field of folding screens, and discloses a folding screen bending mechanism and a mobile terminal. Folding screen bending mechanism includes supporting seat, drive assembly and tensile subassembly, and drive assembly sets up on the supporting seat for drive first screen and second screen fold or expand to make the portion of can buckling or expand, tensile subassembly is used for after the portion of can buckling expands, tensile first screen and second screen, so that the portion of can buckling receives the tensile force and the exhibition is flat. The mobile terminal comprises the folding screen bending mechanism. The included angle between the first screen and the second screen can be adjusted according to the user requirements, the bending radius of the bendable part is prevented from exceeding the limit bending radius limited by the screen material, the service life of the folding screen is prolonged, the display effect and the user experience of the folding screen are prevented from being influenced due to the fact that the bendable part is excessively bent for a long time to be damaged, the folding screen can be kept flat and attractive after being flattened in the long-term use process, and the display effect of the folding screen is prevented from being influenced due to the bending crease.
Description
Technical Field
The invention relates to the technical field of folding screens, in particular to a folding screen bending mechanism and a mobile terminal.
Background
The development and application of the OLED flexible screen technology have become more mature, which has pushed the birth and development of foldable mobile phones.
At present, the collapsible scheme of being applied to the cell-phone mainly is horizontal fifty percent discount or fifty percent discount scheme from top to bottom, horizontal fifty percent discount or fifty percent discount scheme adopt folding hinge structure usually, because folding hinge structure relates to the compound motion of a plurality of gears and round pin axle, the motion form is more complicated, lead to accumulative error great, when the cell-phone is folding, the actual radius of buckling of screen is great with predetermineeing the radius difference of buckling, the limit radius of buckling that probably exceeds the screen, lead to screen life to shorten, and in long-term use, the screen is opened the paper-back and is remained the crease easily, it is not pleasing to the eye enough.
Disclosure of Invention
Based on the above problems, an object of the present invention is to provide a folding screen bending mechanism, which can keep the flat and beautiful folded screen during long-term use, and avoid the display effect of the folded screen from being affected by bending creases.
Another object of the present invention is to provide a mobile terminal, which can keep the flat and beautiful folded screen after being flattened in the long-term use process, and avoid the display effect of the folded screen from being affected by bending the crease.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a folding screen bending mechanism, folding screen includes first screen, second screen and connects first screen with the kink of second screen, folding screen bending mechanism includes supporting seat, drive assembly and tensile subassembly, drive assembly set up in on the supporting seat, be used for driving first screen with the second screen is folding or expand, so that the kink is buckled or is expanded, tensile subassembly is used for after the kink expands, it is tensile first screen with the second screen, so that but the kink receives the tensile force and opens up the paper.
A mobile terminal comprises the folding screen bending mechanism.
The invention has the beneficial effects that:
the folding screen bending mechanism provided by the invention can drive the first screen and the second screen of the folding screen to fold or unfold through the transmission component when acting force is applied to the folding screen so as to bend or unfold the bendable part of the folding screen, the included angle between the first screen and the second screen can be adjusted according to the requirements of users, the bending radius of the bendable part is prevented from exceeding the limit bending radius limited by the screen material, the service life of the folding screen is prolonged, the display effect and the user experience of the folding screen are prevented from being influenced by the damage caused by long-term over-bending of the bendable part, after the bendable part is unfolded, the first screen and the second screen are stretched by the stretching assembly, the first screen and the second screen apply tension to the bendable part, but the kink is flat under the tensile force effect, can keep folding screen flattening smooth pleasing to the eye after long-term use, for the user brings high-quality use experience, has avoided influencing the display effect of folding screen because of buckling the crease.
The mobile terminal provided by the invention comprises the folding screen bending mechanism, the included angle between the first screen and the second screen can be adjusted according to the user requirement, the bending radius of the bendable part is prevented from exceeding the limit bending radius limited by the screen material, the service life of the folding screen is prolonged, the display effect and the user experience of the folding screen are prevented from being influenced due to the fact that the bendable part is damaged due to long-term excessive bending, the folding screen can be kept flat and attractive after being flattened in the long-term use process, high-quality use experience is brought to the user, and the display effect of the folding screen is prevented from being influenced due to the bent crease.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings may be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a folding screen bending mechanism provided in an embodiment of the present invention;
fig. 2 is a schematic structural view of a foldable screen bending mechanism according to an embodiment of the present invention when a bendable portion is bent;
FIG. 3 is a schematic structural diagram of a foldable screen bending mechanism according to an embodiment of the present invention when a bendable portion is unfolded;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is a schematic structural view of a foldable screen bending mechanism according to an embodiment of the present invention when a bendable portion is unfolded;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is a schematic structural view of a foldable screen bending mechanism according to another embodiment of the present invention when a bendable portion is unfolded;
FIG. 8 is an enlarged view at C in FIG. 7;
FIG. 9 is a schematic structural view of another folding screen bending mechanism provided by an embodiment of the present invention;
fig. 10 is a top view of yet another folding screen folding mechanism provided by an embodiment of the present invention.
In the figure:
1. a supporting seat; 2. a transmission assembly; 3. a stretching assembly;
11. a first rack; 12. a second rack; 13. a first guide structure; 14. a second guide structure; 15. a third rack; 16. a fourth rack; 17. a third guide structure; 18. a fourth guide structure; 19. a limiting block;
21. a first gear; 211. a first slider; 22. a second gear; 221. a second slider; 23. a third gear; 231. a first link; 24. a fourth gear; 241. a second link; 25. a fifth gear; 251. a first chain; 26. a sixth gear; 27. a seventh gear; 271. a second chain; 28. an eighth gear;
31. a first suction attachment; 32. a second adsorption member;
100. a first screen; 101. a first support floor; 200. a second screen; 201. a second support floor;
300. can be bent.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to fig. 6, the present embodiment provides a folding screen bending mechanism, which can be used in a mobile terminal such as a mobile phone and a tablet, and for convenience of subsequent description of the folding screen, the folding screen includes a first screen 100, a second screen 200, and a bendable portion 300 connecting the first screen 100 and the second screen 200, and the folding screen bending mechanism includes a support seat 1 and a transmission assembly 2.
The transmission assembly 2 is disposed on the supporting base 1 and used for driving the first screen 100 and the second screen 200 to be folded or unfolded, so that the bendable portion 300 is bent or unfolded. When applying the effort to folding screen, first screen 100 and the second screen 200 that drive folding screen through drive assembly 2 are folding or expand, so that the portion of can buckling 300 of folding screen buckles or expands, can adjust the contained angle of first screen 100 and second screen 200 according to the user's demand, the radius of buckling that avoids can kink 300 surpasss the limit radius of buckling that the screen material is injectd, the life of folding screen has been prolonged, the long-term excessive bending of portion of can buckling 300 has been avoided and has been leaded to damaging and influence the display effect and the user of folding screen and use experience.
In the embodiment, the driving assembly 2 drives the first screen 100 and the second screen 200 to fold or unfold through a rack-and-pinion cooperation. By adopting a gear and rack matched transmission mode, the transmission precision is improved, the bending radius of the bendable part 300 can be accurately controlled, and the bending radius of the bendable part 300 is prevented from exceeding the limit bending radius limited by the screen material. Adopt rack and pinion complex transmission mode, simple structure, work is steady, and the good reliability can realize the accurate regulation to folding screen expansion angle, satisfies the user to the demand of the different folding angles of folding screen, has improved user's use and has experienced.
Optionally, the transmission assembly 2 includes a first gear 21 and a second gear 22, and the supporting seat 1 is provided with a first rack 11 and a second rack 12. The first gear 21 is disposed at the bottom of the first screen 100 and engaged with the first rack 11 to move on the support base 1. The first gear 21 and the first panel 100 may be fixedly connected, and the rotation angle of the first gear 21 corresponds to the folding angle of the first panel 100. The second gear 22 is disposed at the bottom of the second screen 200 and engaged with the second rack 12 to move on the supporting base 1. The second gear 22 and the second screen 200 may be fixedly connected, and the rotation angle of the second gear 22 corresponds to the folding angle of the second screen 200. When the first gear 21 and the second gear 22 move toward each other, the foldable part 300 can be folded, and when the first gear 21 and the second gear 22 move away from each other, the foldable part 300 can be unfolded. The first gear 21 and the second gear 22 have the same diameter, and the first rack 11 and the second rack 12 are located in the same plane. By controlling the moving distance of the first gear 21 on the first rack 11 and the moving distance of the second gear 22 on the second rack 12, the rotation angles of the first screen 100 and the second screen 200 can be precisely controlled, so that the bending radius of the bendable part 300 can be precisely controlled, and the bending radius of the bendable part 300 is prevented from exceeding the limit bending radius defined by the screen material.
Optionally, the bottom of the first screen 100 is provided with a first supporting bottom plate 101, the connecting shaft of the first gear 21 is connected to the first supporting bottom plate 101, the bottom of the second screen 200 is provided with a second supporting bottom plate 201, and the connecting shaft of the second gear 22 is connected to the second supporting bottom plate 201. For preventing interference, the bottom of the bendable portion 300 does not need to be provided with a supporting bottom plate, the first gear 21 is fixedly connected with the first supporting bottom plate 101, the first supporting bottom plate 101 is fixedly connected with the first screen 100, namely, when the first screen 100 rotates, the first gear 21 is driven to rotate through the first supporting bottom plate 101, the second gear 22 is fixedly connected with the second supporting bottom plate 201, the second supporting bottom plate 201 is fixedly connected with the second screen 200, namely, when the second screen 200 rotates, the second gear 22 is driven to rotate through the second supporting bottom plate 201. In other embodiments, when the first gear 21 and the second gear 22 do not need to rotate for a full circle during the folding and unfolding of the first panel 100 and the second panel 200, a part of the gear structure may be integrally formed on the first supporting base plate 101 or the second supporting base plate 201.
In this embodiment, the supporting seat 1 is provided with a first guiding structure 13, a connecting shaft of the first gear 21 is provided with a first sliding block 211 in sliding fit with the first guiding structure 13, the supporting seat 1 is provided with a second guiding structure 14, and a connecting shaft of the second gear 22 is provided with a second sliding block 221 in sliding fit with the second guiding structure 14. The sliding direction of the first sliding block 211 on the first guide structure 13 is the same as the extending direction of the first rack 11, and the first gear 21 moves along the extending direction of the first rack 11 through the sliding fit of the first sliding block 211 and the first guide structure 13, and is always kept engaged with the first rack 11, so that the transmission precision of the first gear 21 and the first rack 11 is ensured. The sliding direction of the second sliding block 221 on the second guide structure 14 is the same as the extending direction of the second rack 12, and the second gear 22 moves along the extending direction of the second rack 12 through the sliding fit of the second sliding block 221 and the second guide structure 14, and is always meshed with the second rack 12, so that the transmission precision of the second gear 22 and the second rack 12 is ensured.
Optionally, the first guiding structure 13 and the second guiding structure 14 are both limiting grooves. The two ends of the limiting groove can limit the movement of the first gear 21 or the second gear 22, so that the folding screen is prevented from being bent excessively or reversely. In other embodiments, the first guide structure 13 and the second guide structure 14 may also be guide rails, and two ends of the guide rails may be provided with corresponding limiting protrusions to limit the movement of the first gear 21 or the second gear 22, so as to avoid excessive bending or reverse bending of the folding screen.
The folding screen bending mechanism further comprises a stretching assembly 3, wherein the stretching assembly 3 is used for stretching the first screen 100 and the second screen 200 after the bendable part 300 is unfolded, so that the bendable part 300 is stretched and unfolded. After 300 expandes in the department of can buckling, through tensile first screen 100 of tensile subassembly 3 and second screen 200, first screen 100 and second screen 200 exert tensile force to 300 in the department of can buckling, 300 in the department of can buckling is flat under the tensile force effect, can keep the level and smooth pleasing to the eye after the folding screen is flat in long-term use process, for the user brings high-quality use experience, avoided influencing the display effect of folding screen because of the crease of buckling.
Optionally, the stretching assembly 3 includes an adsorbable first adsorption part 31 and a second adsorption part 32, the first adsorption part 31 is disposed on each of the first screen 100 and the second screen 200, the second adsorption part 32 corresponding to the first adsorption part 31 is disposed on the support base 1, and when the first adsorption part 31 is adsorbed by the second adsorption part 32, the first screen 100 and the second screen 200 can be stretched, so that the bendable part 300 is stretched by the tensile force to be flattened. When the first adsorption part 31 on the first screen 100 adsorbs the second adsorption part 32 on the support seat 1, and the first adsorption part 31 on the second screen 200 adsorbs the second adsorption part 32 on the support seat 1, under the adsorption action of the first adsorption part 31 and the second adsorption part 32, the stretching of the first screen 100 and the second screen 200 is realized, the foldable screen 300 is flattened by the tension force, the flatness and the attractiveness of the folded screen after flattening can be kept in the long-term use process, and the display effect of the folded screen is prevented from being influenced by the bent crease. Tensile module 3 adopts absorptive connected mode, can make things convenient for the user to exert external force a little and can overcome tensile module 3's absorption effort, the folding operation of being convenient for.
In this embodiment, as shown in fig. 3 and 4, when the foldable portion 300 is unfolded, the first suction member 31 and the second suction member 32 are disposed at an interval, and when the first suction member 31 and the second suction member 32 are attached (as shown in fig. 5 and 6), the first screen 100 or the second screen 200 can be driven to rotate around its own fulcrum, so as to apply a tension to the foldable portion 300. The fulcrum of the first panel 100 or the second panel 200 may be a connecting shaft of the first gear 21 or the second gear 22, that is, the connecting shaft of the first gear 21 and the second gear 22 is higher than the upper surface of the second suction member 32 on the support base 1.
Alternatively, the first and second suction members 31 and 32 are both magnetic suction members. The piece can be when realizing adsorbing the function to magnetism, adapts to less installation space, satisfies the installation requirement of folding screen. In other embodiments, in order to avoid the first suction member 31 and the second suction member 32 from generating an adverse effect on the iron component in a magnetic suction manner, the first suction member 31 and the second suction member 32 may also generate a suction force in a manner of vacuumizing the suction cup, and the suction cup is inflated to conveniently realize automatic release of the suction force.
In another embodiment, the stretching assembly 3 includes a first driving member and a second driving member, the first driving member is used for driving the first gear 21 to rotate, the second driving member is used for driving the second gear 22 to rotate, and the first driving member and the second driving member can respectively drive the first gear 21 and the second gear 22 to stretch the first screen 100 and the second screen 200, so that the bendable portion 300 is stretched by the stretching force. When the first screen 100 and the second screen 200 are unfolded, for example, the included angle between the first screen 100 and the second screen 200 is 179 °, the first driving member drives the first gear 21 to rotate a short distance, and the second driving member drives the second gear 22 to rotate a short distance, so that the first gear 21 and the second gear 22 respectively apply forces to the first screen 100 and the second screen 200, and the first screen 100 and the second screen 200 are stretched, so that the bendable portion 300 is stretched and flattened by the tension force. The first and second driving members may be motors, which facilitate precise control of the rotation angles of the first and second gears 21 and 22.
The folding screen bending mechanism provided by the embodiment has the following working process: as shown in fig. 2 and 3, when the bendable portion 300 is bent, the first screen 100 drives the first gear 21 to move on the first rack 11 through the first support base plate 101, the second screen 200 drives the second gear 22 to move on the second rack 12 through the second support base plate 201, the first gear 21 and the second gear 22 move in a reverse direction, and the bendable portion 300 gradually extends from the bent state to the extended state; as shown in fig. 4 and 5, when the bendable portion 300 is unfolded, at this time, an included angle between the first screen 100 and the second screen 200 is close to 180 °, a small distance exists between the first suction piece 31 and the second suction piece 32, the first suction piece 31 is gradually attached to the second suction piece 32 under the suction action force, and the first screen 100 and the second screen 200 respectively drive the first gear 21 and the second gear 22 to continuously rotate for a small distance, so that the bendable portion 300 is gradually tensioned; as shown in fig. 6 and 7, when the foldable portion 300 is unfolded, an included angle between the first screen 100 and the second screen 200 is 180 °, at this time, the first suction member 31 and the second suction member 32 are attached to each other, and under the suction effect of the first suction member 31 and the second suction member 32, the first screen 100 and the second screen 200 are stretched, so that the foldable portion 300 is unfolded by the tension force, and the folding crease is prevented from occurring.
As shown in fig. 7 and 8, the folding screen bending mechanism of the present embodiment is substantially the same as the above-mentioned embodiments, and the difference between the folding screen bending mechanism and the above-mentioned embodiments is that the first suction element 31 is provided with a first inclined surface forming an included angle with the first screen 100 or the second screen 200, the second suction element 32 is provided with a second inclined surface capable of being attached to the first inclined surface, and when the first inclined surface is attached to the second inclined surface, a tensile force can be applied to the bendable portion 300 through the first screen 100 or the second screen 200.
The first absorbing part 31 and the second absorbing part 32 are matched through the inclined plane, the absorbing acting force of the first absorbing part 31 and the second absorbing part 32 not only has a component force vertical to the surface of the first screen 100 (or the second screen 200), but also has a component force along the surface of the first screen 100 (or the second screen 200), the stretching of the first screen 100 and the second screen 200 is realized through the component force along the surface of the first screen 100 (or the second screen 200), the bendable part 300 is flattened by the tension force, the flatness and the beauty of the folded screen after flattening can be kept in the long-term use process, and the display effect of the folded screen is prevented from being influenced by the bending crease.
As shown in fig. 9 and 10, the present embodiment provides a folding screen bending mechanism, which is substantially the same as the above embodiments, and the difference between the two embodiments is that the transmission assembly 2 further includes a linkage structure, and the first gear 21 is in transmission connection with the second gear 22 through the linkage structure, so as to adjust the transmission ratio between the first gear 21 and the second gear 22. By adjusting the gear ratio of first gear 21 to second gear 22, 1: 1 fold or non-1: 1 folding, when the folding screen is not 1: 1 when folding, can vacate the space for exposing leading camera.
In the embodiment, the linkage structure comprises a third gear 23 and a fourth gear 24 which are meshed with each other, the third gear 23 can rotate synchronously with the first gear 21, the fourth gear 24 can rotate synchronously with the second gear 22, and the diameters of the third gear 23 and the fourth gear 24 are the same or different. When the diameters of the third gear 23 and the fourth gear 24 are the same, the gear ratio of the first gear 21 to the second gear 22 is 1, and 1: 1 folding. When the diameters of the third gear 23 and the fourth gear 24 are different, the transmission ratio of the first gear 21 to the second gear 22 is less than 1, and the non-1: 1 folding.
To facilitate the synchronous rotation of the third gear 23 and the first gear 21 and the synchronous rotation of the fourth gear 24 and the second gear 22, optionally, a fifth gear 25 is coaxially disposed on the first gear 21, a sixth gear 26 is coaxially disposed on the third gear 23, the fifth gear 25 is connected to the sixth gear 26 through a first chain 251, a seventh gear 27 is coaxially disposed on the second gear 22, an eighth gear 28 is coaxially disposed on the fourth gear 24, and the seventh gear 27 is connected to the eighth gear 28 through a second chain 271. Through the transmission mode of chain gear, can improve transmission precision. In other embodiments, the synchronous rotation of the first gear 21 and the third gear 23 (or the second gear 22 and the fourth gear 24) can also be realized through the structure of a synchronous wheel and a conveyor belt.
Alternatively, the connecting shaft of the third gear 23 is connected with the connecting shaft of the first gear 21 through the first link 231, and the connecting shaft of the fourth gear 24 is connected with the connecting shaft of the second gear 22 through the second link 241. By providing the first link 231, the distance between the first gear 21 and the third gear 23 is ensured to be constant. The second connecting rod 241 ensures that the distance between the second gear 22 and the fourth gear 24 is constant.
In this embodiment, the supporting seat 1 is provided with a third rack 15 and a fourth rack 16, the third gear 23 is meshed with the third rack 15, and the fourth gear 24 is meshed with the fourth rack 16. The third rack 15 and the fourth rack 16 are perpendicular to the surface of the folded screen in the unfolded state to limit the third gear 23 and the fourth gear 24.
Optionally, a third guide structure 17 and a fourth guide structure 18 are disposed on the support base 1, a third slider matched with the third guide structure 17 is disposed on the third gear 23, and a fourth slider matched with the fourth guide structure 18 is disposed on the fourth gear 24. The sliding direction of the third slider on the third guide structure 17 is the same as the extending direction of the third rack 15, and the third gear 23 moves along the direction of the third rack 15 through the sliding fit of the third slider and the third guide structure 17, and is always kept meshed with the third rack 15, so that the transmission precision of the third gear 23 and the third rack 15 is ensured. The sliding direction of the fourth slider on the fourth guide structure 18 is the same as the extending direction of the fourth rack 16, and the fourth gear 24 moves along the direction of the fourth rack 16 through the sliding fit of the fourth slider and the fourth guide structure 18, and is always kept engaged with the fourth rack 16, so that the transmission precision of the fourth gear 24 and the fourth rack 16 is ensured.
In this embodiment, the third guiding structure 17 and the fourth guiding structure 18 are both guide rails, and a limiting block 19 is disposed at one end of each guide rail close to the folding screen. Through setting up stopper 19, carry on spacingly to the displacement distance of third gear 23 and fourth gear 24, prevent folding screen excessive buckling or reverse buckling.
This embodiment still provides a mobile terminal, including foretell folding screen bending mechanism, can adjust the contained angle of first screen 100 and second screen 200 according to user's demand, the radius of buckling of avoiding kink 300 surpasss the limit radius of buckling that the screen material is injectd, the life of folding screen has been prolonged, the long-term excessive bending of portion of having avoided can buckling 300 leads to damaging and influences the display effect and the user that folding screen use experience, can keep flattening leveling and pleasing to the eye of back of folding screen in the long-term use, bring high-quality use experience for the user, the display effect of folding screen has been avoided influencing because of buckling the crease.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (9)
1. The utility model provides a folding screen bending mechanism, folding screen includes first screen, second screen and connects first screen with but the kink of second screen, its characterized in that, folding screen bending mechanism includes:
a supporting seat;
the transmission assembly is arranged on the supporting seat and used for driving the first screen and the second screen to be folded or unfolded so as to enable the bendable part to be bent or unfolded;
the stretching assembly is used for stretching the first screen and the second screen after the bendable part is unfolded so as to enable the bendable part to be flattened under the tension force;
tensile component includes adsorbable first absorption spare and second absorption spare, first screen with the second screen is provided with respectively first absorption spare, be provided with on the supporting seat with first absorption spare position corresponds the second absorbs the spare, first absorption spare with when the second absorbs the spare and adsorbs, can stretch first screen with the second screen, so that but kink receives tensile force and exhibition flat.
2. The foldable screen bending mechanism according to claim 1, wherein when the foldable part is unfolded, the first suction member and the second suction member are disposed at an interval, and when the first suction member and the second suction member are attached to each other, the first suction member or the second suction member can be driven to rotate around a pivot thereof, so as to apply a tension to the foldable part.
3. The foldable screen bending mechanism according to claim 1, wherein the first suction member is provided with a first inclined surface forming an included angle with the first screen or the second screen, the second suction member is provided with a second inclined surface capable of being attached to the first inclined surface, and when the first inclined surface is attached to the second inclined surface, a tension force can be applied to the bendable portion through the first screen or the second screen.
4. The folding screen folding mechanism of any one of claims 1 to 3 wherein the transmission assembly drives the first screen and the second screen to fold or unfold through a rack and pinion cooperation.
5. The folding screen bending mechanism according to claim 4, wherein the transmission assembly comprises a first gear and a second gear, and a first rack and a second rack are arranged on the supporting seat;
the first gear is arranged at the bottom of the first screen and meshed with the first rack so as to move on the supporting seat;
the second gear is arranged at the bottom of the second screen and is meshed with the second rack so as to move on the supporting seat;
the first gear and the second gear can be folded when moving in opposite directions, and the first gear and the second gear can be unfolded when moving in opposite directions.
6. The folding screen bending mechanism of claim 5, wherein the stretching assembly comprises a first driving member and a second driving member, the first driving member is configured to drive the first gear to rotate, the second driving member is configured to drive the second gear to rotate, and the first driving member and the second driving member are capable of driving the first gear and the second gear to stretch the first screen and the second screen, respectively, so that the bendable portion is stretched by a tensioning force.
7. The folding screen bending mechanism of claim 5, wherein the transmission assembly further comprises a linkage structure, and the first gear is in transmission connection with the second gear through the linkage structure to adjust a transmission ratio of the first gear to the second gear.
8. A folding screen bending mechanism according to claim 7, wherein the linkage comprises a third gear and a fourth gear in mesh, the third gear being able to rotate synchronously with the first gear and the fourth gear being able to rotate synchronously with the second gear, the third gear and the fourth gear being of the same or different diameter.
9. A mobile terminal, characterized in that it comprises a folding screen bending mechanism according to any of claims 1 to 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011562676.1A CN112788162B (en) | 2020-12-25 | 2020-12-25 | Folding screen bending mechanism and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011562676.1A CN112788162B (en) | 2020-12-25 | 2020-12-25 | Folding screen bending mechanism and mobile terminal |
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| CN112788162B true CN112788162B (en) | 2022-09-20 |
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|---|---|---|---|---|
| CN113689789B (en) * | 2021-08-13 | 2023-05-09 | 武汉天马微电子有限公司 | Display device |
| CN113963628B (en) * | 2021-11-05 | 2023-05-09 | 武汉天马微电子有限公司 | Flexible display panel and display device |
| CN114120831B (en) * | 2021-11-22 | 2023-06-13 | 合肥维信诺科技有限公司 | Folding mechanism and electronic equipment of flexible screen |
| CN114251354B (en) * | 2021-12-17 | 2023-01-10 | 合肥维信诺科技有限公司 | Folding mechanism and folding screen |
| CN114283697B (en) * | 2022-02-15 | 2023-06-27 | 武汉天马微电子有限公司 | Folding device and display equipment |
| CN114608818B (en) * | 2022-03-01 | 2023-12-01 | 深圳市华星光电半导体显示技术有限公司 | Folding screen crease detection device and method thereof |
| CN114596784B (en) * | 2022-03-17 | 2024-07-02 | 上海天马微电子有限公司 | Display module and display device |
| CN115116328B (en) * | 2022-05-30 | 2023-09-29 | 昆山国显光电有限公司 | Stretchable screen assembly and sliding terminal |
| CN115083284B (en) * | 2022-06-28 | 2023-11-24 | 合肥维信诺科技有限公司 | Folding mechanism and flexible display panel |
| CN117727237A (en) * | 2023-06-01 | 2024-03-19 | 荣耀终端有限公司 | Folding screen apparatus and control method thereof |
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| US9857832B2 (en) * | 2015-06-23 | 2018-01-02 | Samsung Electronics Co., Ltd. | Foldable electronic apparatus having display panel with variable curvature |
| CN208673636U (en) * | 2018-09-19 | 2019-03-29 | 云谷（固安）科技有限公司 | A kind of screen body supporting device and folding flexible display apparatus |
| KR102650633B1 (en) * | 2018-11-19 | 2024-03-25 | 엘지디스플레이 주식회사 | Display device |
| CN110570769B (en) * | 2019-09-12 | 2022-01-25 | 云谷（固安）科技有限公司 | Folding screen and display terminal |
| CN111182102B (en) * | 2020-01-03 | 2022-02-15 | 京东方科技集团股份有限公司 | Foldable display device and foldable display terminal |
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