CN110971725A - Sliding rail mechanism for folding screen, folding screen assembly and foldable mobile terminal - Google Patents
Sliding rail mechanism for folding screen, folding screen assembly and foldable mobile terminal Download PDFInfo
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- CN110971725A CN110971725A CN201911208993.0A CN201911208993A CN110971725A CN 110971725 A CN110971725 A CN 110971725A CN 201911208993 A CN201911208993 A CN 201911208993A CN 110971725 A CN110971725 A CN 110971725A
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- folding screen
- mobile terminal
- steel sheet
- sliding
- foldable mobile
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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
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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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
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
- H04M1/022—The hinge comprising two parallel pivoting axes
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- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a sliding rail mechanism for a folding screen, a folding screen assembly and a foldable mobile terminal, wherein the sliding rail mechanism comprises a steel sheet, a sliding part and a guide part, the sliding part is fixed on the steel sheet, the guide part is fixed on a support of the foldable mobile terminal, the sliding part is matched with the guide part and is used for sliding along the guide part, and the steel sheet is used for fixing the folding screen of the foldable mobile terminal; the folding screen component comprises a sliding rail component, a boosting component and the like, and the foldable mobile terminal comprises the sliding rail mechanism or the sliding rail component. Compared with the prior art, the invention provides a novel screen sliding scheme, which can ensure that the screen can slide over the shell smoothly in the unfolding or folding process without affecting the display effect of the screen, can meet the folding requirements of different forms of the foldable mobile terminal, and better solves the problems of easy clamping stagnation, unsmooth sliding and the like of the existing foldable mobile terminal.
Description
Technical Field
The invention relates to the technical field of folding screen application design, in particular to a sliding rail mechanism for a folding screen, a folding screen assembly and a foldable mobile terminal.
Background
With the continuous development of portable electronic devices, display screens of mobile terminals such as mobile phones and tablet computers become larger and larger, and although a large screen can display more contents for users at the same time, problems such as large size, large occupied space, poor portability and the like of the electronic devices are brought, so that the development of large-screen portable electronic devices is restricted, and a folding-screen electronic product is produced in order to simultaneously take account of the portability of each electronic device and the dual attributes of a large screen.
In 2019, mobile terminal products in a folding screen shape are released by mobile phone manufacturers such as samsung, huashi, millet and OPPO in many years after the folding screen products are released, wherein the samsung Galaxy folder adopts an inward folding scheme, a first test machine is provided in 5 months, but a test user feeds back the machine in many times, and many problems still exist, mainly focusing on related problems encountered in the folding screen bending process, are also reflected on most foldable mobile devices, for example, the problems of unsmooth screen sliding, easy clamping stagnation and the like, and further the problem that the screen is folded and layered often occurs is caused, and the problems become pain points designed for the foldable mobile terminal, and the user experiences poor in the existing folding screen bending process.
Therefore, how to effectively solve the problems of unsmooth screen sliding, easy clamping stagnation and the like of the foldable mobile terminal and improve the experience of the user on the foldable mobile terminal becomes a key point for the technical problems to be solved and the research of the technical staff in the field.
Disclosure of Invention
In order to solve the problems of unsmooth screen sliding, easy clamping stagnation and the like of the existing foldable mobile terminal, the invention provides the sliding rail mechanism for the foldable screen, the foldable screen assembly and the foldable mobile terminal, so that the foldable screen of the foldable mobile terminal can slide more smoothly, the layering problem caused by folding of the foldable screen is effectively solved, the user experience is obviously improved, and various problems in the prior art are thoroughly solved.
In order to achieve the technical purpose, the invention provides a sliding rail mechanism for a foldable screen, which comprises a steel sheet, a sliding part and a guide part, wherein the sliding part is fixed on the steel sheet, the guide part is fixed on a bracket of the foldable mobile terminal, the sliding part is matched with the guide part and is used for sliding along the guide part, and the steel sheet is used for fixing the foldable screen of the foldable mobile terminal; when the screen of the folding screen is unfolded and closed, the sliding rail mechanism provided by the invention can play a good guiding role, so that the screen can slide more smoothly.
Furthermore, the sliding part is a bending sheet extending from the edge of the steel sheet, the guide part is a stopping edge on a support of the foldable mobile terminal, and the side surface of the bending sheet is abutted against the stopping edge.
Further, the piece of buckling includes that first extension piece and second extend the piece, and the first both sides that extend the piece relatively are connected respectively the steel sheet with the second extends the piece, first extend the piece with the steel sheet is the vertical relation setting, the second extend the piece with the steel sheet is the horizontal relation setting, the steel sheet first extend the piece reaches the second extends the piece and encloses into the spout of a bar jointly, backstop along the board embedding at place extremely in the spout and the medial surface of first extension piece take to lean on the backstop is followed last.
Furthermore, the upper side edge and the lower side edge of the steel sheet are symmetrically provided with sliding parts, and the number of the sliding parts is even.
Further, this slide rail mechanism includes two steel sheets, and two steel sheets all are square and all are provided with by its four corners position the sliding part.
In order to achieve the technical purpose, the invention further provides a folding screen assembly, and the folding screen assembly comprises any one of the sliding rail mechanisms for the folding screen.
Further, this folding screen subassembly still includes boosting mechanism, boosting mechanism includes the spring, and the one end of spring is fixed on the steel sheet, and the other end of spring supports and leans on collapsible mobile terminal's support, and when collapsible mobile terminal's folding screen was in the expansion state the spring was in compression state under the effect of the folding screen pulling force of fixing on the steel sheet, at the in-process that the folding screen of collapsible mobile terminal recovered fold condition the spring release promotes the thrust of folding screen cunning to both sides.
Furthermore, a first fixing column and a second fixing column are fixed on the back of the steel sheet, and both the first fixing column and the second fixing column penetrate into a through hole formed in a support of the foldable mobile terminal; the spring is a torsion spring, the main body of the torsion spring is sleeved on the first fixing column, one end of the torsion spring is fixed on the second fixing column, and the other end of the torsion spring is abutted to the support of the foldable mobile terminal.
Furthermore, a stop block extending from the support of the foldable mobile terminal to the outer side face is arranged beside the through hole, and the other end of the torsion spring abuts against the side face of the stop block.
To achieve the above technical object, the present invention further provides a foldable mobile terminal including any one of the above foldable screen assemblies or any one of the above sliding rail mechanisms for a foldable screen.
Further, the foldable mobile terminal can be a portable electronic product with a foldable screen, such as a smart phone, a smart watch, a smart bracelet, a tablet computer, a notebook computer, or a smart wearable device (e.g., a smart helmet, smart glasses).
The invention has the beneficial effects that:
compared with the prior art, the invention provides a novel screen sliding scheme, under the action of a sliding rail mechanism and a boosting mechanism, the scheme can be better matched with a folding screen to work, can ensure that the screen can slide above a shell smoothly in the unfolding or folding process without influencing the display effect of the screen completely, can meet the folding requirements of the foldable mobile terminal in different forms, remarkably improves the hand feeling experience of a user, and better solves the problems of easy clamping stagnation, unsmooth sliding and the like of the conventional foldable mobile terminal.
The invention has the outstanding advantages of simple structure, easy realization, low cost, strong reliability, long service life, wide application range and the like, and can be widely and directly applied to the foldable mobile terminal.
When the foldable mobile terminal folding screen is folded, the redundant part of the folded folding screen can be hidden in the space formed by the sinking of the lifting plate, so that the friction or the conflict of other structures (such as a bracket, related parts of a rotating shaft and the like) on the screen at the bent part can be better avoided, the bending performance of the folding screen is obviously improved by the mode, the section of the bent part of the folding screen is in a water drop shape, and the folding requirements of different folding (particularly inward folding) forms of the current folding mobile phone with the folding screen can be better met.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the respective embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings in the following detailed description of the present invention without inventive efforts.
Fig. 1 is a schematic perspective view of an embodiment of a sliding rail mechanism for a foldable screen according to the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of a sliding rail mechanism for a foldable screen according to the present invention.
Fig. 3 is a schematic diagram of the position arrangement of eight sliding rail mechanisms for folding the screen on the support of the foldable mobile terminal.
Fig. 4 is a partial enlarged schematic view of a1 at the dashed line position in fig. 3.
Fig. 5 is a partial enlarged schematic view of a3 at the dashed line position in fig. 3.
Fig. 6 is a schematic view showing the arrangement of four pushing mechanisms for folding the screen on the support of the foldable mobile terminal.
Fig. 7 is a partially enlarged schematic view of B1 at the dashed line position in fig. 6.
Fig. 8 is a partially enlarged schematic view of B2 at the dashed line position in fig. 6.
Fig. 9 is a schematic perspective view of an embodiment of a boosting mechanism for folding a screen according to the present invention.
Fig. 10 is a schematic diagram of an exploded structure of an embodiment of a rotating shaft mechanism for a folding screen provided by the invention.
Fig. 11 is a schematic front structural view of an embodiment of a rotating shaft mechanism for a folding screen provided by the invention.
Fig. 12 is a schematic perspective view of an embodiment of a hinge mechanism for a foldable screen according to the present invention.
Fig. 13 is a schematic diagram of the position arrangement of two hinge mechanisms for folding the screen on the support of the foldable mobile terminal.
Fig. 14 is a schematic perspective view of another embodiment of a sliding rail mechanism for a foldable screen according to the present invention.
Fig. 15 is a schematic arrangement diagram of another embodiment of the slide rail mechanism and the boosting mechanism provided by the invention.
Fig. 16 is a schematic cross-sectional view of another embodiment of the boosting structure for a folding screen according to the present invention.
In the figure, the position of the upper end of the main shaft,
1. a steel sheet; 11. a first fixed column; 12. a second fixed column;
2. a sliding part; 21. a first extension piece; 22. a second extension piece; 23. bending the sheet; 24. a strip-shaped hole; 25. a support block; 26. a limiting member;
3. a guide portion;
4. a support; 41. a through hole; 42. a stopper;
5. a torsion spring;
61. a left support arm; 62. a right support arm; 63. a left rotating shaft; 64. a right rotating shaft; 65. a left cam; 66. a right cam; 67. a first limit plate; 68. a second limiting plate; 69. a fixed block; 651. a left gear; 652. a right gear; 653. a transmission gear; 611. a left connecting rod; 612. a left central shaft; 613. a left swing shaft; 614. a left lifter plate; 621. a right connecting rod; 622. a right central axis; 623. a right swing shaft; 624. a right lifter plate;
7. a compression spring; 71. a cylindrical housing; 72. a push rod.
Detailed Description
The following describes clearly and completely the sliding rail mechanism for folding screen, the folding screen assembly and the technical solution of the foldable mobile terminal provided by the present invention with reference to the accompanying drawings of the specification, and obviously, the described embodiments are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, the invention has been set forth in detail for the purpose of illustration. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
Referring to fig. 1, fig. 1 is a schematic perspective view illustrating an embodiment of a sliding rail mechanism for a foldable screen according to the present invention. In particular, the embodiment provides a sliding rail mechanism for a foldable screen, a plurality of sliding rail mechanisms can be arranged on a foldable mobile terminal, the sliding rail mechanism comprises a steel sheet 1, a sliding part 2 and a guide part 3, wherein the sliding part 2 is fixed on the steel sheet 1, the steel sheet 1 designed by the invention can be understood as an LCD steel sheet for supporting and fixing a folding screen or other steel sheets for realizing similar functions, the guide part 3 is fixed on a bracket 4 of the foldable mobile terminal, the sliding part 2 is matched with the guide part 3 and is used for sliding along the guide part 3, under the guiding and supporting action of the guiding part 3, the sliding part 2 slides smoothly in the unfolding or folding process of the folding screen, the steel sheet 1 slides smoothly at the same time in the smooth sliding process of the sliding part 2, then the steel sheet 1 drives the folding screen to slide smoothly, and the steel sheet 1 is used for fixing the folding screen of the foldable mobile terminal. As shown in fig. 2, the structure of the sliding rail mechanism of the present invention is simple, the sliding part 2 is a bent piece extending from the edge of the steel sheet 1, in some specific embodiments, four corners of the steel sheet 1 can be extended and bent to form the sliding part 2, the guiding part 3 is a stopping edge on the support 4 of the foldable mobile terminal, the side surface of the bent piece abuts against the stopping edge, and the bent piece and the stopping edge cooperate to form a sliding rail with simple structure and good reliability. The piece of buckling includes that first extension piece 21 and second extend piece 22, and first extension piece 21 relative both sides connect steel sheet 1 and second respectively and extend piece 22, and first extension piece 21 is the vertical relation setting with steel sheet 1, and second extension piece 22 is the horizontal relation setting with steel sheet 1, and steel sheet 1, first extension piece 21 and second extend the spout that the piece 22 encloses into a strip jointly, and the inboard side of backstop edge at place is taken and is leaned on the backstop edge in embedding to the spout along the board at place and first extension piece 21. The upper side edge and the lower side edge of the steel sheet 1 are symmetrically provided with sliding parts 2, and the number of the sliding parts 2 is even. As shown in fig. 3, the slide rail mechanism provided in this embodiment includes two steel sheets 1, but only one steel sheet matching with the folding screen may be adopted according to the actual situation; as shown in fig. 3, 4 and 5, the two steel sheets 1 are both square and are provided with sliding parts 2 beside the four corners, and fig. 4 and 5 are used for showing different arrangement modes of the sliding mechanisms on both sides. As shown in fig. 3, for a folding screen, eight sliding rail mechanisms are arranged at positions a1-A8 in the present embodiment, and a lot of tests show that: the mode can ensure that the screen can slide above the shell very smoothly without influencing the display effect of the screen.
In other embodiments, the invention further provides the sliding part 2 and the guiding part 3 with other structural forms, which can also achieve a better sliding effect of the folding screen, as shown in fig. 14 and 15, the sliding part 2 can also be a bending piece 23 extending from the edge of the steel sheet 1, the bending piece 23 is provided with a strip-shaped hole 24, and the strip-shaped hole 24 is a hole penetrating through the bending piece 23; guide part 3 includes supporting shoe 25 and locating part 26, supporting shoe 25 accessible screw fixation is on collapsible mobile terminal's support 4 (being the casing), locating part 26 is fixed in on the side of supporting shoe 25, locating part 26 can be the screw form, it includes head and pole portion, the pole portion of locating part 26 passes bar hole 24 and locating part 26's pole portion end and supporting shoe 25 fixed connection, bar hole 24 is in between the head of locating part 26 and supporting shoe 25, and the head diameter of locating part 26 is greater than the width of bar hole 24, eight also can be arranged to the slide rail mechanism in this embodiment, in order to realize better screen sliding effect.
The present invention also provides a folding screen assembly, as shown in figures 1 to 16, comprising a sliding track mechanism for a folding screen according to any of the embodiments described above. The folding screen assembly also comprises a boosting mechanism which comprises a spring, one end of the spring is fixed on the steel sheet 1, the other end of the spring is abutted against a support 4 (specifically a middle frame of the foldable mobile terminal) of the foldable mobile terminal, when the folding screen of the foldable mobile terminal is in an unfolding state, the spring is in a compression state under the action of the pulling force of the folding screen fixed on the steel sheet 1, namely, the spring is gradually in an energy storage state in the unfolding process of the screen, the spring releases the pushing force for pushing the folding screen to slide to two sides in the process of restoring the folding state of the folding screen of the foldable mobile terminal, and the two sides of the folding screen are respectively and correspondingly pushed to the two sides between the two sides by releasing the energy accumulated by the spring in the compression process, so that the problem that the existing folding screen is easy to wrinkle and laminate is avoided, and the problem that the display effect of, and the section of the bending part of the folding screen can be made to be in a water drop shape by matching with a rotating shaft mechanism. As shown in fig. 7 and 8, a first fixing column 11 and a second fixing column 12 are fixed on the back surface of the steel sheet 1, and both the first fixing column 11 and the second fixing column 12 penetrate into a through hole 41 formed in the bracket 4 of the foldable mobile terminal; the spring is torsional spring 5, and on first fixed column 11 was located to the main part cover of torsional spring 5, the one end of torsional spring 5 was fixed in on second fixed column 12, and the other end of torsional spring 5 supports and leans on collapsible mobile terminal's support 4. As shown in fig. 9, a stopper 42 extending outward from the holder 4 of the foldable mobile terminal is provided beside the through hole 41, and the other end of the torsion spring 5 abuts against a side surface of the stopper 42. As shown in fig. 6, for one folding screen, the present embodiment arranges four boosting mechanisms at four positions of the bracket, and four springs are arranged at positions B1, B2, B3 and B4 in fig. 6, namely behind one folding screen. Under the action of a plurality of symmetrically designed boosting mechanisms, the two ends of the folding screen of the foldable mobile terminal can be smoothly and normally reset in the process of restoring the folding state of the folding screen, the service performance of the folding screen product is obviously improved, and the problems that the existing folding screen is easy to block, and is difficult to restore to expected positions on two sides and the like are solved.
In other embodiments, the present invention further provides a boosting mechanism with other structural forms, and the boosting mechanism also includes a spring, and the spring is in a compressed state under the pulling force of the folding screen fixed on the steel sheet 1 when the folding screen of the foldable mobile terminal is in an unfolded state, and releases the pushing force pushing the folding screen to slide to both sides in the process of restoring the folding screen of the foldable mobile terminal to a folded state. But with the difference that: as shown in fig. 15 and 16, the spring is a compression spring 7, the compression spring 7 is disposed in a cylindrical housing 71 with one end closed, the cylindrical housing 71 is fixed on the bracket 4 of the foldable mobile terminal, the compression spring 7 is connected with the head of a push rod 72 in the cylindrical housing 71, the end of the compression spring 7 or other positions is fixedly connected with the head of the push rod 72, the rod end of the push rod 72 extends out of the cylindrical housing 71, the rod end of the push rod 72 abuts against the steel sheet 1, and the diameter of the head of the push rod 72 is larger than the opening diameter of the cylindrical housing 71, so that a part of the push rod 72 is always kept in the cylindrical housing 71, and the reliability is higher; in the process of unfolding the folding screen of the foldable mobile terminal, the rod part of the push rod 72 is compressed under force, and the compression spring 7 gradually stores energy; the compression spring 7 releases the accumulated capacity and pushes the folding screen to slide towards the corresponding direction in the process of recovering the folding state of the folding screen of the foldable mobile terminal, thereby better avoiding the problem that the existing folding screen is easy to fold and layer.
In some embodiments of the present invention, the support 4 of the foldable mobile terminal includes a left support of the foldable mobile terminal and a right support of the foldable mobile terminal, a steel sheet is disposed on the left support, and a steel sheet is also disposed on the right support, and the foldable screen assembly may further include an improved rotating shaft mechanism for better opening or closing the foldable screen, so that the unfolding or closing process of the screen is smoother, and the user experience is better; as shown in fig. 10, 11 and 12, the hinge mechanism includes a left arm 61 and a right arm 62 symmetrically disposed, the left arm 61 is fixedly connected to the left support of the foldable mobile terminal, and the right arm 62 is fixedly connected to the right support of the foldable mobile terminal; one end of the left support arm 61 is fixed with a left rotating shaft 63, one end of the right support arm 62 is fixed with a right rotating shaft 64 which is symmetrically arranged with the left rotating shaft 63, the left rotating shaft 63 is connected with a left cam 65, and the right rotating shaft 64 is connected with a right cam 66, in this embodiment, the left rotating shaft 63 is fixedly connected with the left cam 65, and/or the right rotating shaft 64 is fixedly connected with the right cam 66, at least one rotating shaft is fixedly connected with one cam, the other rotating shaft and the cam can be fixedly connected or rotatably connected, so as to ensure that each support arm moves synchronously in the unfolding or folding screen folding process, the left cam 65 and the right cam 66 are both arranged at one side of a first limit plate 67, a second limit plate 68 is arranged at the other side of the first limit plate 67, a left gear 651, a right gear 652 and a transmission gear 653 are arranged between the first limit plate 67 and the second limit plate 68, one end of the center of the left gear 651 passes through a first left limit hole on the first limit plate, the other end of the center fixed shaft of the left gear 651 penetrates into the second left limit hole of the second limit plate 68, one end of the center fixed shaft of the right gear 652 penetrates through the first right limit hole on the first limit plate 67 and is in transmission connection with the right cam 66, the other end of the center fixed shaft of the right gear 652 penetrates into the second right limit hole of the second limit plate 68, at least one transmission gear 653 is in transmission connection between the left gear 651 and the right gear 652, in this embodiment, each rotating shaft mechanism has two transmission gears for ensuring that the four support arms are synchronously rotated when a user unfolds or folds the folding screen, i.e. after the rotating shaft is driven by at least one side support arm to move, the rotating shaft drives the cam to move, the cam drives one side gear to move, one side gear drives the transmission gear to move, and the other side support arm can be used as a driving moving part under the driving of the bracket connected with the other side support arm, and can also, two ends of the central fixed shaft of the transmission gear 653 respectively penetrate into a first middle limiting hole in the first limiting plate 67 and a second middle limiting hole in the second limiting plate 68. As shown in fig. 13, in the present embodiment, two symmetrically disposed hinge mechanisms are disposed on the support of the mobile terminal, at positions C1 and C2 in fig. 13.
As shown in fig. 10, a left fan-shaped sliding slot is formed on an inner side surface of the left support arm 61, a left connecting rod 611 for rotating according to unfolding or folding of the foldable screen is arranged in the left fan-shaped sliding slot, a left central shaft 612 serving as a rotating center of the left connecting rod 611 is fixed at a circle center position of the left fan-shaped sliding slot, the left central shaft 612 is rotatably connected to one end of the left connecting rod 611, the other end of the left connecting rod 611 is rotatably connected to a left swinging shaft 613, and the left swinging shaft 613 is rotatably connected to a left side of a left lifting plate 614 of the foldable mobile terminal; as shown in fig. 10 and 12, a right fan-shaped sliding slot is formed on the inner side surface of the right support arm 62, a right connecting rod 621 which rotates according to the unfolding or folding of the folding screen is arranged in the right fan-shaped sliding slot, a right central shaft 622 which is a rotating center of the right connecting rod 621 is fixed at the position of the center of the right fan-shaped sliding slot, the right central shaft 622 is rotatably connected with one end of the right connecting rod 621, the other end of the right connecting rod 621 is rotatably connected with a right swinging shaft 623, and the right swinging shaft 623 is rotatably connected with the right side of a right lifting plate 624 of the; the left side of the right lifting plate 624 of the foldable mobile terminal is pivoted to the middle part of the foldable mobile terminal, the right side of the left lifting plate 614 of the foldable mobile terminal is pivoted to the middle part of the foldable mobile terminal, and the left lifting plate 614 and the right lifting plate 624 are both arranged on the back of the foldable screen; based on the rotating shaft mechanism of the folding screen assembly, the left lifting plate 614 and the right lifting plate 624 can be lifted and lowered in the direction perpendicular to the screen as the folding screen is unfolded or folded, specifically, the left lifting plate 614 and the right lifting plate 624 are far away from the folding screen when the folding screen is folded (i.e., "lifted"), and the left lifting plate 614 and the right lifting plate 624 are close to the folding screen when the folding screen is unfolded (i.e., "lowered"), so that the folding screen slides more smoothly when the folding screen is unfolded or folded, and fig. 12 is a schematic diagram of the state of the left lifting plate 614 and the right lifting plate 624 when the folding screen is unfolded. In order to make the two sides of the lifting plate synchronously lift, the left cam 65 and the right cam 66 of the embodiment are symmetrically arranged and have the same structure, and both comprise a first cam and a second cam which are arranged in a staggered manner and fixedly connected with each other, the two first cams are respectively connected with the left rotating shaft 63 and the right rotating shaft 64, the two second cams are respectively connected with the central fixed shaft of the left gear 651 and the central fixed shaft of the right gear 652, for the same purpose (to make the two sides of the lifting plate synchronously lift), the left rotating shaft 63 is fixed on one end surface of the left support arm 61, the left support shaft with different axes is arranged corresponding to the left rotating shaft 63 on the other end surface, the right rotating shaft 64 is fixed on one end surface of the right support arm 62, the right support shaft with different axes is arranged corresponding to the right rotating shaft 64 on the other end surface, and the left support shaft and the right support shaft (not marked) above, The lower shaft adopts a mode of different axial centers, and the cross section of the folding position of the folding screen in the closed state can also be in a water drop shape. As shown in fig. 12, in order to more clearly illustrate the product structure of the present embodiment, in fig. 12, the left lifting plate 614 of the left half portion is connected to the left support arm 61, and the right lifting plate 624 of the right half portion is not connected to the right support arm 62, a fixed block 69 is disposed in the middle of the support 4 of the foldable mobile terminal, the second limiting plate 68 is fixed to the fixed block 69, a left pivot and a right pivot are respectively fixed to both sides of the fixed block 69, the right side of the left lifting plate 614 of the foldable mobile terminal is pivoted to the fixed block 69 through the left pivot, and the left side of the right lifting plate 624 of the foldable mobile terminal is pivoted to the fixed block 69 through the right pivot; the fixed block 69 is provided with a left receiving hole corresponding to the second left limiting hole and a right receiving hole corresponding to the second right limiting hole, the other end of the central fixed shaft of the left gear 651 sequentially penetrates through the second left limiting hole and the left receiving hole, and the other end of the central fixed shaft of the right gear 652 sequentially penetrates through the second right limiting hole and the right receiving hole. Under the action of the folding screen assembly provided by the invention, through the matching of the slide rail mechanism, the boosting mechanism, the rotating shaft mechanism and the like, when the shell of the foldable mobile terminal is opened, the screen is flattened by 180 degrees. When the foldable mobile terminal shell is closed, the redundant parts of the folded screen after being closed are hidden in a space formed by outward movement of the rotating shaft mechanism (namely the space formed by sinking of the lifting plate), and friction or conflict of other structures (such as a support, related parts of the rotating shaft and the like) on the screen at the bent part is avoided better, so that the bending performance of the folded screen is improved, the cross section of the bent part of the folded screen is in a water drop shape, and the folding requirements of different folding forms (particularly inward folding) of the current folded screen mobile phone can be met better.
The invention also provides a foldable mobile terminal, which comprises the folding screen assembly in any embodiment or the sliding rail mechanism for the folding screen in any embodiment. The foldable mobile terminal can be a portable electronic product with a foldable screen, such as a smart phone, a smart watch, a smart bracelet, a tablet computer, a notebook computer or smart wearable equipment (such as a smart helmet and smart glasses).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A slide rail mechanism for folding screen, its characterized in that: slide rail mechanism includes steel sheet (1), sliding part (2) and guide part (3), sliding part (2) are fixed on steel sheet (1), guide part (3) are fixed in on collapsible mobile terminal's support (4), sliding part (2) with guide part (3) cooperate and be used for along guide part (3) slide, steel sheet (1) are used for fixing collapsible mobile terminal's folding screen.
2. The slide rail mechanism for a folding screen of claim 1, wherein: the sliding part (2) is a bending piece extending from the edge of the steel sheet (1), the guide part (3) is a stopping edge on a support (4) of the foldable mobile terminal, and the side surface of the bending piece is abutted against the stopping edge.
3. The slide rail mechanism for a folding screen of claim 2, wherein: the bending piece comprises a first extending piece (21) and a second extending piece (22), two opposite sides of the first extending piece (21) are respectively connected with the steel sheet (1) and the second extending piece (22), the first extending piece (21) and the steel sheet (1) are arranged in a vertical relation, the second extending piece (22) and the steel sheet (1) are arranged in a horizontal relation, the steel sheet (1), the first extending piece (21) and the second extending piece (22) jointly enclose a strip-shaped sliding groove, the stop edge is embedded into the sliding groove, and the inner side face of the first extending piece (21) abuts against the stop edge.
4. A slide rail mechanism for a folding screen according to any one of claims 1 to 3, wherein: the upper side edge and the lower side edge of the steel sheet (1) are symmetrically provided with sliding parts (2), and the number of the sliding parts (2) is even.
5. The slide rail mechanism for a folding screen of claim 4, wherein: the sliding rail mechanism comprises two steel sheets (1), wherein the two steel sheets (1) are square, and the sliding parts (2) are arranged beside the four corners of the steel sheets.
6. Folding screen subassembly, its characterized in that: the folding screen assembly comprises the sliding rail mechanism for the folding screen as claimed in any one of claims 1 to 5.
7. The folding screen assembly of claim 6, wherein: this folding screen subassembly still includes boosting mechanism, boosting mechanism includes the spring, and the one end of spring is fixed on steel sheet (1), and the other end of spring supports and leans on collapsible mobile terminal's support (4), and when collapsible mobile terminal's folding screen is in the expansion state the spring is in compression state under the effect of the folding screen pulling force of fixed on steel sheet (1), at the in-process that the folding screen of collapsible mobile terminal resumes fold condition the spring release promotes the thrust of folding screen cunning to both sides.
8. The folding screen assembly of claim 7, wherein: a first fixing column (11) and a second fixing column (12) are fixed on the back of the steel sheet (1), and the first fixing column (11) and the second fixing column (12) penetrate through a through hole (41) formed in a support (4) of the foldable mobile terminal; the spring is torsional spring (5), and the main part cover of torsional spring (5) is located on first fixed column (11), on the one end of torsional spring (5) is fixed in second fixed column (12), the other end of torsional spring (5) supports and leans on support (4) in collapsible mobile terminal.
9. The folding screen assembly of claim 8, wherein: a stop block (42) extending from the support (4) of the foldable mobile terminal to the outer side face is arranged beside the through hole (41), and the other end of the torsion spring (5) abuts against the side face of the stop block (42).
10. Foldable mobile terminal, its characterized in that: the foldable mobile terminal comprises the folding screen assembly of any one of claims 6 to 9 or the sliding rail mechanism for the folding screen of any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911208993.0A CN110971725B (en) | 2019-11-30 | 2019-11-30 | Sliding rail mechanism for folding screen, folding screen assembly and foldable mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911208993.0A CN110971725B (en) | 2019-11-30 | 2019-11-30 | Sliding rail mechanism for folding screen, folding screen assembly and foldable mobile terminal |
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| CN110971725A true CN110971725A (en) | 2020-04-07 |
| CN110971725B CN110971725B (en) | 2021-07-06 |
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| Publication number | Publication date |
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| CN110971725B (en) | 2021-07-06 |
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