CN110428732B - Flexible screen of pull formula - Google Patents

Abstract

The invention relates to the technical field of flexible electronics and discloses a pull-out flexible screen which comprises a shell and a supporting plate, wherein a winding cavity is formed in one side of the shell, a winding roller is installed in the winding cavity, a flexible screen is arranged on the outer side wall of the winding roller, one side of the flexible screen is fixedly connected with the supporting plate, and an adjustable protective roller is arranged between the supporting plate and the winding roller. This flexible screen of pull formula, the pull part is as supplementary demonstration, it is main through fixing the upper portion in the backup pad to control the touch of screen, when twitching the backup pad simultaneously, the activity supporting shoe is automatic to be bounced and the laminating of flexible screen, support the pull part, it is sunken to make the pull part also can not produce because of dead weight or touch production, can guarantee the display effect, can be used to touch operation again, no matter when the flexible screen is removing or when rolling up simultaneously, the flexible screen all is in unsettled state, the friction and the stress that the flexible screen received have been reduced, improve the pull life-span of flexible screen.

Description

Flexible screen of pull formula

Technical Field

The invention relates to the technical field of flexible electronics, in particular to a drawing type flexible screen.

Background

The OLED screen adopts a very thin organic material coating and a flexible substrate, when current passes through the OLED screen, the organic materials can emit light, so that the OLED screen can be lighter, thinner and complete, and the application field is increasingly wide as the OLED screen is mature in technology.

Please refer to fig. 1, which is an application scheme of a flexible screen, the middle part of the flexible screen is provided with a rotating shaft to roll up the screen, the screen is drawn out by drawing during use, the occupied space of the screen is reduced, the use is more flexible, in order to facilitate the drawing of the screen, the screen itself is not connected with the supporting mechanism of the lower layer, when the screen is stressed, the screen is sunken, the screen can be applied to large-screen equipment with less touch requirements, but the screen is applied to a mobile phone, so that the defect is obvious, the service life is reduced, and the use experience is poor.

Furthermore, the friction between the mobile phone screen and the supporting structure at the bottom can be generated when the mobile phone screen is twitched, so that the traction force and the friction between the bottom and the supporting structure during twitching have great influence on the screen, and the service life of the screen is further shortened.

Disclosure of Invention

Aiming at the defects of the background technology, the invention provides a pull-out flexible screen which has the advantages of small stress and good support for the screen, and solves the problems in the background technology.

The invention provides the following technical scheme: the utility model provides a flexible screen of pull formula, includes casing and backup pad, one side of casing is equipped with the rolling chamber, the wind-up roll is installed to the rolling intracavity, the wind-up roll lateral wall is equipped with flexible screen, one side and backup pad fixed connection of flexible screen, be equipped with adjustable protection roller between backup pad and the wind-up roll, backup pad and casing sliding connection, be equipped with movable supporting shoe between backup pad and the casing, movable supporting shoe passes through extrusion strip sliding connection with the backup pad, elastic component and casing fixed connection are passed through to movable supporting shoe's lower extreme.

Preferably, both sides of the movable supporting block are provided with inclined planes, both ends of the movable supporting block are provided with limiting blocks, the height of each inclined plane is equal to the distance from the movable supporting block to the flexible screen, each inclined plane is connected with the extrusion strip in a sliding mode, and the inclined planes are aligned with the sliding grooves.

Preferably, both sides of the flexible screen are provided with protective sleeves, the protective sleeves are connected with movable supporting blocks in a sliding mode, and the movable supporting blocks are provided with positioning grooves corresponding to the protective sleeves.

Preferably, adjustable protection roller includes control block, regulation wedge, regulating block, adjustable shelf, protection roll body and mount, mount and rolling chamber fixed connection, mount and adjustable shelf sliding connection, two protection roll bodies of control block fixedly connected with, the upper end of protection roll body is equipped with the regulating block, control block and rolling chamber swing joint, the lower extreme of control block is equipped with the regulation wedge, be equipped with on the regulating block with the lug of regulation wedge adaptation.

The invention has the following beneficial effects:

1. this flexible screen of pull formula, the pull part is as supplementary demonstration, the touch to the screen is controlled mainly all through fixing the upper portion in the backup pad, when twitching the backup pad simultaneously, the activity supporting shoe is automatic to be popped up and the laminating of flexible screen, support the pull part, it is sunken to make the pull part also can not produce because dead weight or touch produce, can guarantee the display effect, can be used to touch operation again, guarantee the convenience of using, for current pull screen, be fit for more and need use the equipment of frequently controlling.

2. This flexible screen of pull formula, on the one hand, flexible screen does not take place the contact with the activity supporting shoe during the pull, effort between flexible screen and the activity supporting shoe when having reduced the pull, reduce the stress that flexible screen received, and then reduce the wearing and tearing of flexible screen, improve the life of flexible screen, on the other hand, the protective sheath of flexible screen both sides will be erect, no matter make flexible screen when removing or when rolling up, flexible screen all is in unsettled state, further reduced friction and stress that flexible screen received, further improve the pull life-span of flexible screen.

Drawings

FIG. 1 is a schematic diagram of a prior art configuration of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the present invention after deployment;

FIG. 4 is a partial exploded view of the present invention;

FIG. 5 is a schematic view of a movable support block of the present invention;

FIG. 6 is a schematic view of a flexible screen and an extruded strip of the present invention;

fig. 7 is a schematic view of an adjustable guard roll of the present invention.

In the figure: 1. a housing; 2. a support plate; 3. a winding cavity; 4. a wind-up roll; 5. an adjustable protective roller; 51. a control block; 52. adjusting the wedge; 53. an adjusting block; 54. a movable frame; 55. protecting the roller body; 56. a fixed mount; 6. a flexible screen; 7. extruding the strip; 8. a movable supporting block; 9. an elastic member; 10. a bevel; 11. a limiting block; 12. a chute; 13. a protective sleeve; 14. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be 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.

Referring to fig. 2-7, a pull-out flexible screen comprises ahousing 1 and asupport plate 2, thehousing 1 is slidably connected with thesupport plate 2, one side of thehousing 1 is provided with awinding cavity 3, awinding roller 4 is installed in the windingcavity 3, thewinding roller 4 has a self-winding function, thewinding roller 4 winds up aflexible screen 6, the outer side wall of thewinding roller 4 is provided with theflexible screen 6, one side of theflexible screen 6 is fixedly connected with thesupport plate 2, theflexible screen 6 connected to thesupport plate 2 is theflexible screen 6 between thesupport plate 2 and thewinding roller 4 in a main operation area, anadjustable protection roller 5 is arranged between thesupport plate 2 and thewinding roller 4, theadjustable protection rollers 5 are two close rollers, the highest point of the lowered roller body is flush with the upper surface of thesupport plate 2 to avoid thesupport plate 2 colliding with thehousing 1, amovable support block 8 is arranged between thesupport plate 2 and thehousing 1, the quantity and the size ofactivity supporting shoe 8 are appropriate,backup pad 2 activity leaves the position that backactivity supporting shoe 8 bounced to fillbackup pad 2 and supportsflexible screen 6, the total size of regulation screen that a plurality ofactivity supporting shoes 8 can be more nimble,activity supporting shoe 8 passes throughextrusion strip 7 sliding connection withbackup pad 2,extrusion strip 7 pressesactivity supporting shoe 8, along withextrusion strip 7 slips,activity supporting shoe 8 bounces and fillsbackup pad 2 and leaves the space that produces, the lower extreme ofactivity supporting shoe 8 passes throughelastic component 9 andcasing 1 fixed connection,elastic component 9 adopts reset spring in this embodiment,activity supporting shoe 8fills backup pad 2 under the effect ofelastic component 9 elasticity and leaves the space that produces.

As an implementation mode of the invention, both sides of the movable supportingblock 8 are provided withinclined planes 10, theextrusion strip 7 slides on theinclined planes 10, so that the movable supportingblock 8 is gradually bounced under the elastic force of theelastic member 9, thereby avoiding large impact force generated by overlarge elastic force, both ends of the movable supportingblock 8 are provided withlimit blocks 11, the movable supportingblock 8 is clamped on the inner wall of theshell 1 through thelimit blocks 11, the height of the movable supportingblock 8 is limited, so that the upper end surface of the movable supportingblock 8 is just attached to theflexible screen 6 and does not generate large acting force on theflexible screen 6, the height of theinclined plane 10 is the same as the distance from the movable supportingblock 8 to theflexible screen 6, when theextrusion strip 7 is separated from the movable supportingblock 8, the movable supportingblock 8 just reaches the highest position, theinclined plane 10 is slidably connected with theextrusion strip 7, the lower end of theextrusion strip 7 is provided with a pulley, theinclined plane 10 is, thepressing strip 7 slides into thesliding groove 12, and the interaction of theinclined surface 10 and thepressing strip 7 also plays a role of clamping the position of thesupport plate 2.

As an implementation mode of the invention, the two sides of theflexible screen 6 are both provided with theprotective sleeves 13, theprotective sleeves 13 support theflexible screen 6, so that when theflexible screen 6 is rolled up on thewinding roller 4, no force action is generated between adjacent circles offlexible screens 6, the abrasion of theflexible screen 6 is reduced, meanwhile, the traction force is mainly realized through theprotective sleeves 13, the acting force borne by the force is further reduced, theprotective sleeves 13 are in sliding connection with the movable supportingblocks 8, the movable supportingblocks 8 are provided with thepositioning grooves 14 corresponding to theprotective sleeves 13, theprotective sleeves 13 are accommodated by thepositioning grooves 14, and the upper surfaces of the movable supportingblocks 8 are attached to theflexible screen 6.

As an embodiment of the present invention, theadjustable protection roller 5 includes a control block 51, an adjusting wedge 52, an adjusting block 53, a movable frame 54, a protection roller body 55 and a fixed frame 56, the fixed frame 56 is fixedly connected with thewinding cavity 3, the fixed frame 56 is slidably connected with the movable frame 54, the control block 51 is fixedly connected with two protection roller bodies 55, the upper end of the protection roller body 55 is provided with the adjusting block 53, the control block 51 is movably connected with thewinding cavity 3, the lower end of the control block 51 is provided with the adjusting wedge 52, the adjusting block 53 is provided with a lifting lug adapted to the adjusting wedge 52, the control block 51 is shifted, the adjusting wedge 52 is inserted into the lifting lug on the adjusting block 53, the height of the adjusting block 53 is raised, the movable frame 54 and the protection roller body 55 are raised, so that theflexible screen 6 is raised, friction between theflexible screen 6 and the movable support block.

The working principle of the invention is as follows:

the control block 51 is shifted to adjust the height of the protection roller body 55, so that one end of theflexible screen 6 close to thewinding roller 4 is raised, the supportingplate 2 is shifted, theextrusion strip 7 and theinclined plane 10 slide relatively, the height of the movable supportingblock 8 slowly rises along with the raising of theinclined plane 10 until theshell 1 is clamped by thelimiting block 11, the movable supportingblock 8 rises to the maximum, a screen with a proper size is drawn out according to needs, the movable supportingblock 8 rises along with the sliding sequence of the supportingplate 2, after therolling roller 4 stops, the redundant screen is automatically rewound by the winding roller, then the control block 51 is shifted back to enable the protection roller body 55 to return to the high position, theflexible screen 6 is attached to the movable supportingblock 8, when the screen is pulled back, the control block 51 is shifted to adjust the height of the protection roller body 55, the supportingplate 2 is slowly shifted back, theextrusion strip 7 and theinclined plane 10 interact, the movable supportingblock 8 is pressed down to, and resetting theadjustable protection roller 5 after the rolling is finished.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. A flexible screen of pull formula, includes casing (1) and backup pad (2), its characterized in that: one side of the shell (1) is provided with a rolling cavity (3), a rolling roller (4) is installed in the rolling cavity (3), the outer side wall of the rolling roller (4) is provided with a flexible screen (6), one side of the flexible screen (6) is fixedly connected with a supporting plate (2), an adjustable protective roller (5) is arranged between the supporting plate (2) and the rolling roller (4), the supporting plate (2) is slidably connected with the shell (1), a movable supporting block (8) is arranged between the supporting plate (2) and the shell (1), the movable supporting block (8) is slidably connected with the supporting plate (2) through an extrusion strip (7), the lower end of the movable supporting block (8) is fixedly connected with the shell (1) through an elastic piece (9), two sides of the movable supporting block (8) are respectively provided with an inclined plane (10), and two ends of the movable supporting block (8) are provided with limiting blocks (11), the height of the inclined plane (10) is the same as the distance from the movable supporting block (8) to the flexible screen (6), the inclined plane (10) is in sliding connection with the extrusion strip (7), sliding grooves (12) are formed in the two sides of the shell (1), the sliding grooves (12) are aligned with the movable supporting block (8), and the inclined plane (10) is aligned with the sliding grooves (12).

2. A pull-out flexible screen as claimed in claim 1, wherein: both sides of flexible screen (6) all are equipped with protective sheath (13), protective sheath (13) and activity supporting shoe (8) sliding connection, activity supporting shoe (8) are equipped with constant head tank (14) that correspond with protective sheath (13).

3. A pull-out flexible screen as claimed in claim 1, wherein: adjustable protection roller (5) are including control block (51), regulation wedge (52), regulating block (53), adjustable shelf (54), protection roll body (55) and mount (56), mount (56) and rolling chamber (3) fixed connection, mount (56) and adjustable shelf (54) sliding connection, two protection roll bodies (55) of control block (51) fixedly connected with, the upper end of protection roll body (55) is equipped with regulating block (53), control block (51) and rolling chamber (3) swing joint, the lower extreme of control block (51) is equipped with regulation wedge (52), be equipped with the lug with regulation wedge (52) adaptation on regulating block (53).

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