Curling lifting device applied to flexible screen

Abstract

The utility model discloses a curling lifting device applied to a flexible screen, which comprises a base and a support plate at the upper part, and a lifting mechanism and a screen rolling mechanism are arranged on the base; the lifting mechanism comprises a lifting motor and a screw rod in driving connection with the lifting motor, a first movable block and a second movable block which transversely move are arranged on the screw rod, connecting holes are formed in the first movable block and the second movable block, the first movable block and the second movable block are in penetrating connection with the screw rod through the connecting holes respectively, and threaded grooves are formed in the connecting holes; a forward thread and a reverse thread are respectively arranged on the screw rod, the threaded groove in the first movable block is matched with the forward thread in a rotating mode to achieve transverse movement of the first movable block, and the threaded groove in the second movable block is matched with the reverse thread to achieve transverse movement of the second movable block; the screen rolling mechanism comprises a winding motor and a winding drum in driving connection with the winding motor, symmetrically-distributed chains are arranged at the two ends of the winding drum, a plurality of screen lower connecting plates are arranged between the chains, and the chains are in positioning connection through sliding rails arranged at the two ends of the winding drum.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible screen application, and in particular to a curling and lifting device for flexible screen application. Background Art

[0002] Flexible screen refers to flexible OLED. Due to its low power consumption and bendable characteristics, it has a profound impact on the application of many electronic devices. In the future, flexible screens will be widely used with the continuous penetration of personal smart terminals. Compared with traditional screens, flexible screens have obvious advantages. Not only are they thinner and lighter in size, but they also consume less power than the original devices, which helps to improve the battery life of the device. At the same time, based on its bendable and flexible characteristics, its durability is much higher than that of previous screens, reducing the probability of accidental damage to the device.

[0003] Flexible screen-related electronic devices can be widely used in electronic products in multiple fields, such as rear-seat entertainment systems in cars. By combining curling and lifting to achieve a hidden layout, it not only meets the application requirements of space matching, but also brings users an excellent experience.

[0004] To realize the above functions of flexible screens, in addition to the screen itself, how to realize the curling recovery and lifting unfolding, the mechanism design is also the biggest technical challenge. Considering the particularity of flexible screens, traditional mechanisms cannot meet their functional requirements, and special flexible screen application mechanisms are needed to assist in realizing the application mode combining curling and lifting. Summary of the invention

[0005] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a curling and lifting device for flexible screen applications.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A curling and lifting device for flexible screen application, comprising a base and an upper support plate, wherein the base is provided with a lifting mechanism and a screen rolling mechanism;

[0008] The lifting mechanism comprises a lifting motor and a screw rod connected to the lifting motor, the screw rod is provided with a first movable block and a second movable block for transverse movement, the first movable block and the second movable block are provided with connecting holes, the first movable block and the second movable block are respectively connected to the screw rod through the connecting holes, a thread groove is provided in the connecting hole, and the screw rod is respectively provided with a forward thread and a reverse thread, the thread groove on the first movable block is rotatably matched with the forward thread to realize the transverse movement of the first movable block, and the thread groove on the second movable block is matched with the reverse thread to realize the transverse movement of the second movable block;

[0009] A first positioning block and a second positioning block are respectively provided at both ends of the screw rod, the first positioning block is connected to set the first lifting plate, the second positioning block is connected to set the second lifting plate, the first movable block is connected to set the third lifting plate, the second movable block is connected to set the fourth lifting plate, one end of the third lifting plate and the fourth lifting plate are respectively connected to the support plate, one end of the first lifting plate is movably hinged to the middle of the fourth lifting plate, and one end of the second lifting plate is movably hinged to the middle of the third lifting plate;

[0010] The screen rolling mechanism comprises a winding motor and a reel connected to the winding motor, and a first gear set and a damping mechanism are provided between the winding motor and the reel;

[0011] Symmetrically distributed chains are provided at both ends of the drum, and multiple groups of under-screen connecting plates are provided between the chains. The chains are positioned by slide rails provided at both ends of the drum.

[0012] In particular, it includes a rolling curtain mechanism, which includes a shielding curtain and a winding shaft wound around the shielding curtain, a second gear set is provided at one end of the winding shaft, the second gear set includes a second large gear and a second small gear meshing therewith, and a winding spring is provided on the second large gear.

[0013] Particularly, the damping mechanism comprises a flattened shaft and a flattened shaft sleeve, and one side of the flattened shaft sleeve is provided with a torsion spring, a gasket and an adjusting nut which are distributed and penetrate along the axial direction of the flattened shaft.

[0014] In particular, the chain is composed of multiple groups of connecting blocks with the same structure and connected end to end. One end of the connecting block is provided with an arc groove and the other end is provided with an arc slider. The arc slider slides in the adjacent arc groove to achieve a combined connection between two adjacent connecting blocks. A packaging piece is provided on the outside of the chain.

[0015] Particularly, a screw fixing seat is provided in the base, and the screw is arranged in the screw fixing seat.

[0016] In particular, a motor mounting plate and a gear mounting plate are provided at both ends of the base, the lifting motor and the winding motor are both mounted on the motor mounting plate, the first gear set is mounted on the gear mounting plate on one side, and the second gear set is mounted on the gear mounting plate on the other side.

[0017] The beneficial effects of the present invention are as follows: the curling and lifting device for the flexible screen application provided by the present invention has a screen rolling mechanism arranged in the base to roll up or extend the flexible screen outward, the unfolded screen is raised and then unfolded by the lifting mechanism, and when it needs to stop being used, it is retracted into the base through the descending function of the lifting mechanism, and is recovered into the winding mechanism after reverse rotation of the screen rolling mechanism. Taking into account the user experience and aesthetics, an independent rolling curtain mechanism is arranged to provide a shielding curtain to cover and shield the spare parts, the rolling curtain mechanism provides a winding spring to achieve a torque effect, and the overall structure is integrated in the form of a base, which effectively saves space and meets the assembly and use of electronic products in different scenarios and fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a diagram of the overall structure of the utility model in an opened state.

[0019] Figure 2 It is a partial structure recovery state diagram of the utility model.

[0020] Figure 3 It is a diagram of the local structure of the utility model in an open state.

[0021] Figure 4 It is a schematic diagram of the lifting mechanism of the utility model.

[0022] Figure 5 It is a partial schematic diagram of the lifting mechanism of the utility model.

[0023] Figure 6 It is a partial diagram of the rolling shutter mechanism of the utility model.

[0024] Figure 7 It is a partial view of the recovery of the lifting mechanism of the utility model.

[0025] Figure 8 and Fig. 9 All of them are schematic diagrams of the screw of the present utility model.

[0026] Fig.10 This is a structural diagram of the hinge of the utility model.

[0027] Fig.11 This is a structural diagram of the hinge connection block of the utility model.

[0028] Fig.12 It is a structural diagram of the activity block of the utility model.

[0029] Fig.13 It is a structural diagram of the slide rail of the utility model.

[0030] Fig.14 It is a partial structural diagram of the utility model.

[0031] Fig.15It is an exploded view of the damping mechanism of the utility model.

[0032] Fig.16 This is the structural diagram of the second gear set of the utility model. DETAILED DESCRIPTION

[0033] The utility model is further described below in conjunction with the accompanying drawings:

[0034] Embodiment 1:

[0035] like Figure 1-Figure 16 As shown, the present embodiment discloses a curling and lifting device for flexible screen application, including a base 1 and an upper support plate 2, the base 1 is provided with a lifting mechanism 3 and a screen rolling mechanism 4; the lifting mechanism 3 includes a lifting motor 31 and a screw rod 32 connected thereto by driving, the lifting motor 31 is a motor that can rotate forward and reverse, and realizes the driving effect of the lifting function by forward and reverse rotation. The screw rod 32 is provided with a first movable block 33 and a second movable block 34 that can move laterally, the first movable block 33 and the second movable block 34 are provided with a connecting hole 311, the first movable block 33 and the second movable block 34 are respectively connected to the screw rod 32 through the connecting hole 311, the connecting hole 311 is provided with a thread groove 312, the screw rod 32 is respectively provided with a forward thread 321 and a reverse thread 322, the thread groove 312 on the first movable block 33 rotates with the forward thread 321 to realize the lateral movement of the first movable block 33, and the thread groove 312 on the second movable block 34 cooperates with the reverse thread 322 to realize the second movable block 34 The first movable block 33 and the second movable block 34 move laterally; the first positioning block 35 and the second positioning block 36 are respectively provided at both ends of the screw rod 32, the first positioning block 35 is connected to set the first lifting plate 351, the second positioning block 36 is connected to set the second lifting plate 361, the first movable block 33 is connected to set the third lifting plate 331, the second movable block 34 is connected to set the fourth lifting plate 341, one end of the third lifting plate 331 and the fourth lifting plate 341 are respectively connected to the support plate 2, one end of the first lifting plate 351 is movably hinged to the middle of the fourth lifting plate 341, and one end of the second lifting plate 361 is movably hinged to the middle of the third lifting plate 331. The first movable block 33 and the second movable block 34 are respectively provided with mounting holes 313, and the third lifting plate 331 and the fourth lifting plate 341 are respectively connected to the first movable block 33 and the second movable block 34 through the mounting holes 313. The thread grooves 312 on the first movable block 33 and the second movable block 34 have the same structure, except that the thread patterns inside are different.

[0036] The screen rolling mechanism 4 includes a winding motor 41 and a drum 42 connected to the winding motor 41, and a first gear set 43 and a damping mechanism 44 are provided between the winding motor 41 and the drum 42; symmetrically distributed chains 45 are provided at both ends of the drum 42, and multiple groups of under-screen connecting plates 46 are provided between the chains 45 for installing and covering the flexible screen, and the chains 45 are positioned by slide rails 47 provided at both ends of the drum 42. A drum shaft sleeve 421 is provided at both ends of the drum 42.

[0037] The applicant declares that a new method generated by a technician in the relevant technical field, based on the above embodiments, combining a certain step of the above embodiments with the technical solution in the content of the invention is also within the scope of the present invention. In order to make the specification concise, this application no longer lists other implementation methods of these steps.

[0038] It includes a rolling curtain mechanism 5, which includes a shielding curtain 51 and a winding shaft 52 wound around the shielding curtain 51, one end of the winding shaft 52 is provided with a second gear set 53, the second gear set 53 includes a second large gear 531 and a second small gear 532 meshing therewith, and the second large gear 531 is provided with a coil spring 54.

[0039] The damping mechanism 44 includes a flat shaft 441 and a flat shaft sleeve 442. A torsion spring 443, a washer 444 and an adjusting nut 445 are provided on one side of the flat shaft sleeve 442 and are distributed along the axial direction of the flat shaft 441. The damping mechanism is installed on one side of the gear shaft 446.

[0040] The chain 45 is composed of a plurality of groups of connecting blocks 451 with the same structure and connected end to end. One end of the connecting block 451 is provided with an arc groove 4511, and the other end is provided with an arc slider 4512. The arc slider 4511 slides in the adjacent arc slide groove 4512 to realize the combined connection between two adjacent connecting blocks 451. The outer side of the chain 45 is provided with a packaging member 452. A screw fixing seat 321 is provided in the base 1, and the screw 32 is arranged in the screw fixing seat 321. Motor mounting plates 1011 and gear mounting plates 1012 are provided at both ends of the base 1. The lifting motor 31 and the winding motor 41 are both installed on the motor mounting plate 1011. The first gear set 43 is installed on the gear mounting plate 1012 on one side, and the second gear set 53 is installed on the gear mounting plate 1012 on the other side.

[0041] The applicant further declares that the present invention illustrates the implementation method and device structure of the present invention through the above-mentioned embodiments, but the present invention is not limited to the above-mentioned implementation methods, that is, it does not mean that the present invention must rely on the above-mentioned methods and structures to be implemented. Those skilled in the art should understand that any improvement of the present invention, equivalent replacement of the implementation method selected by the present invention, addition of steps, selection of specific methods, etc., all fall within the protection scope and disclosure scope of the present invention.

[0042] Technical principle of this embodiment:

[0043] A winding mechanism is arranged in the base to retract or extend the flexible screen outward, and the unfolded screen is raised and unfolded by the lifting mechanism. When it needs to stop being used, the lifting mechanism is used to retract it into the base, and the winding mechanism is used to reversely rotate the screen to recycle it into the inside of the winding mechanism. Taking into account the user experience and aesthetics, an independent rolling curtain mechanism is arranged to provide a shielding curtain to cover the spare parts. The rolling curtain mechanism provides a winding spring to achieve a torsion effect. The overall structure is integrated in the form of a base, which effectively saves space and meets the assembly and use of electronic products in different scenarios and fields. The lifting mechanism and the rolling screen mechanism are visually connected and supported by the chains on both sides of the connecting plate under the screen, and the lifting and lowering are realized through the movable hinge between the lifting connecting plates, and the synchronization function is provided.

[0044] The above description is only a preferred embodiment of the utility model and does not limit the scope of the utility model. Therefore, without departing from the design spirit of the utility model, the equivalent changes or decorations made by ordinary engineering and technical personnel in this field to the structure, features and principles described in the utility model should fall within the protection scope of the patent application of the utility model.

Claims

1. A curling and lifting device for flexible screen application, characterized in that: It includes a base and an upper support plate, and the base is provided with a lifting mechanism and a screen rolling mechanism; The lifting mechanism comprises a lifting motor and a screw rod connected to the lifting motor, the screw rod is provided with a first movable block and a second movable block for transverse movement, the first movable block and the second movable block are provided with connecting holes, the first movable block and the second movable block are respectively connected to the screw rod through the connecting holes, a thread groove is provided in the connecting hole, and the screw rod is respectively provided with a forward thread and a reverse thread, the thread groove on the first movable block is rotatably matched with the forward thread to realize the transverse movement of the first movable block, and the thread groove on the second movable block is matched with the reverse thread to realize the transverse movement of the second movable block; A first positioning block and a second positioning block are respectively provided at both ends of the screw rod, the first positioning block is connected to set the first lifting plate, the second positioning block is connected to set the second lifting plate, the first movable block is connected to set the third lifting plate, the second movable block is connected to set the fourth lifting plate, one end of the third lifting plate and the fourth lifting plate are respectively connected to the support plate, one end of the first lifting plate is movably hinged to the middle of the fourth lifting plate, and one end of the second lifting plate is movably hinged to the middle of the third lifting plate; The screen rolling mechanism comprises a winding motor and a reel connected to the winding motor, and a first gear set and a damping mechanism are provided between the winding motor and the reel; Symmetrically distributed chains are provided at both ends of the drum, and multiple groups of under-screen connecting plates are provided between the chains. The chains are positioned by slide rails provided at both ends of the drum.

2. The curling and lifting device for flexible screen application according to claim 1, characterized in that: It includes a rolling curtain mechanism, which includes a shielding curtain and a winding shaft wound around the shielding curtain. One end of the winding shaft is provided with a second gear set, and the second gear set includes a second large gear and a second small gear meshing therewith. The second large gear is provided with a coil spring.

3. The curling and lifting device for flexible screen application according to claim 1, characterized in that: The damping mechanism comprises a flattened shaft and a flattened shaft sleeve. One side of the flattened shaft sleeve is provided with a torsion spring, a gasket and an adjusting nut which are distributed and penetrated along the axial direction of the flattened shaft.

4. The curling and lifting device for flexible screen application according to claim 1, characterized in that: The chain is composed of multiple groups of connecting blocks with the same structure and connected end to end. One end of the connecting block is provided with an arc groove and the other end is provided with an arc slider. The arc slider slides in the adjacent arc slide groove to realize the combined connection between two adjacent connecting blocks. A packaging piece is provided on the outside of the chain.

5. The curling and lifting device for flexible screen application according to claim 1, characterized in that: A screw fixing seat is arranged in the base, and the screw is arranged in the screw fixing seat.

6. The curling and lifting device for flexible screen application according to claim 2, characterized in that: A motor mounting plate and a gear mounting plate are provided at both ends of the base, the lifting motor and the winding motor are both mounted on the motor mounting plate, the first gear set is mounted on the gear mounting plate on one side, and the second gear set is mounted on the gear mounting plate on the other side.

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