CN115148090B - Display device - Google Patents
Display device Download PDFInfo
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- CN115148090B CN115148090B CN202110351255.2A CN202110351255A CN115148090B CN 115148090 B CN115148090 B CN 115148090B CN 202110351255 A CN202110351255 A CN 202110351255A CN 115148090 B CN115148090 B CN 115148090B
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- shaft
- main
- screen assembly
- display device
- transmission belt
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- 230000005540 biological transmission Effects 0.000 claims abstract description 77
- 230000033001 locomotion Effects 0.000 claims description 24
- 208000032370 Secondary transmission Diseases 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
- F16H19/064—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member the flexible push member uses a bended profile to generate stiffness, e.g. spreading belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
- F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
- F16H19/06—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member
- F16H2019/0677—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising flexible members, e.g. an endless flexible member characterised by the means for fixing the flexible member to a drum
Abstract
The embodiment of the application provides a display device, which comprises: the main body is provided with a plurality of accommodating cavities; the first shaft body is arranged in a containing cavity of the main body and can rotate on the main body; one end of the flexible screen component is fixed on the first shaft body and can be wound on the first shaft body; the second shaft body is arranged in the other accommodating cavity of the main body and can rotate on the main body; and one end of the first transmission belt is fixed on the second shaft body, is windably connected with the second shaft body, and the other end of the first transmission belt is fixedly connected with the other end of the flexible screen assembly. The first drive belt of this application embodiment can play effectual supporting role to the flexible screen subassembly.
Description
Technical Field
The application relates to the technical field of display, in particular to a display device.
Background
With the development of electronic technology, the degree of intellectualization of display devices such as smartphones is increasing. The display device may display a picture through its display screen.
Among them, the flexible display screen is attracting attention because of its characteristics of being foldable and bendable, and the overall size of the display device can be reduced by folding or bending the flexible display screen.
Disclosure of Invention
The application provides a display device, the drive belt can play effectual supporting role to the flexible screen subassembly.
The embodiment of the application provides a display device, which comprises:
a body having a plurality of receiving cavities;
the first shaft body is arranged in one of the accommodating cavities of the main body and can rotate on the main body;
the flexible screen assembly is fixed at one end of the first shaft body and can be wound on the first shaft body;
the second shaft body is arranged in the other accommodating cavity of the main body and can rotate on the main body; and
the first driving belt is used for supporting the flexible screen assembly, one end of the first driving belt is fixed on the second shaft body and is windably connected with the second shaft body, the other end of the first driving belt is fixedly connected with the other end of the flexible screen assembly, one end of the first driving belt is winded in the main body, and the other end of the first driving belt can extend outwards from the main body and is arranged on a non-display surface of a part of the flexible screen assembly extending out of the main body.
The flexible screen assembly can be stored in the shell of the display device, can be unfolded in the main body of the display device, and can be effectively supported by the first transmission belt when the flexible screen assembly is unfolded in the main body.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
For a more complete understanding of the present application and the advantages thereof, reference is now made to the following descriptions taken in conjunction with the accompanying drawings, in which like reference numerals represent like parts throughout the following description.
Fig. 1 is a schematic diagram of a first structure of a display device according to an embodiment of the present application.
Fig. 2 is a second schematic structural diagram of the display device according to the embodiment of the present application.
Fig. 3 is a schematic front perspective view of the display device shown in fig. 1.
Fig. 4 is a schematic front perspective view of the display device shown in fig. 2.
Fig. 5 is a schematic view of a back perspective view of the display device shown in fig. 1.
Fig. 6 is a schematic view of a back perspective structure of the display device shown in fig. 2.
Fig. 7 is an exploded view of the display device shown in fig. 6.
Fig. 8 is a schematic structural view of a first structure of the display device shown in fig. 6 after the casing is removed.
Fig. 9 is a schematic diagram illustrating an internal structure of the display device shown in fig. 6.
Fig. 10 is a schematic structural diagram of a second structure obtained after the first structure shown in fig. 8 is cut along the direction P1-P1.
Fig. 11 is a schematic structural view of a third structure obtained after the second structure shown in fig. 10 is cut along the direction P2-P2.
Fig. 12 is a schematic structural view of a fourth structure obtained by cutting the first structure shown in fig. 8 along the direction P3-P3.
Fig. 13 is an enlarged view of a portion a of the display device shown in fig. 7.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present application based on the embodiments herein.
For a display device such as a mobile phone, the flexible screen assembly may be wound on a rotating shaft, wound on a reel according to the rotation of the rotating shaft to be contained in a housing of the display device, and may also move with the rotating shaft to release a portion wound on the rotating shaft to be unfolded outside the housing of the display device.
However, the support structure of the related art display device cannot effectively support the flexible screen assembly, and the support structure of the flexible screen assembly is relatively bulky.
The embodiment of the application provides a display device, and the drive belt can realize stretching and bending of flexible screen subassembly when playing effectual support to flexible screen subassembly, and the drive belt can be accomodate in display device through the coiling mode and make and occupation space is little moreover.
Referring to fig. 1 to 6, fig. 1 is a schematic diagram of a first structure of a display device according to an embodiment of the disclosure. Fig. 2 is a second schematic structural diagram of the display device according to the embodiment of the present application. Fig. 3 is a schematic front perspective view of the display device shown in fig. 1. Fig. 4 is a schematic front perspective view of the display device shown in fig. 2. Fig. 5 is a schematic view of a back perspective view of the display device shown in fig. 1. Fig. 6 is a schematic view of a back perspective structure of the display device shown in fig. 2.
The display device 20 provided in the embodiment of the present application includes a flexible screen assembly 300 and a housing 900, wherein fig. 1, fig. 3, and fig. 5 are schematic structural diagrams when the flexible screen assembly 300 is completely contained in the housing 100, and fig. 2, fig. 4, and fig. 6 are schematic structural diagrams when the flexible screen assembly 300 is completely unfolded from the housing 900.
It can be appreciated that there are various unfolding states of the flexible screen assembly 300, such as a movement distance of the flexible screen assembly 300 is 0 when the flexible screen assembly 300 is completely contained in the body of the display device 20, a movement distance of the flexible screen assembly 300 is L when the flexible screen assembly 300 is completely unfolded, a movement distance of the flexible screen assembly 300 is one half L when the flexible screen assembly 300 is unfolded, and the three states of the flexible screen assembly 300, namely, the movement distance of 0, L and one half L, are sequentially defined as a folded state, a first unfolded state and a second unfolded state, and it can be appreciated that the flexible screen assembly 300 is in the unfolded state when the movement distance of the flexible screen assembly 300 is greater than 0 based on the definition. The present application defines a course of motion of the flexible screen assembly 300 that varies from large to small as a collapsing motion, such as a course of motion of the flexible screen assembly 300 that varies from L to one-half L as collapsing; the present application defines a course of motion in which the movement distance of the flexible screen assembly 300 varies from small to large as a deployment motion, and a course of motion in which the movement distance of the flexible screen assembly 300 varies from 0 to one-half L as a deployment motion.
Referring to fig. 7-12, fig. 7 is an exploded view of the display device shown in fig. 6; FIG. 8 is a schematic view of a first structure of the display device shown in FIG. 6 after the housing is removed; FIG. 9 is a schematic diagram showing an internal structure of the display device shown in FIG. 6; FIG. 10 is a schematic structural view of a second structure obtained by cutting the first structure shown in FIG. 8 along the direction P1-P1; FIG. 11 is a schematic structural view of a third structure of the second structure shown in FIG. 10, taken along the direction P2-P2; fig. 12 is a schematic structural view of a fourth structure obtained by cutting the first structure shown in fig. 8 along the direction P3-P3.
Referring to fig. 7, 8 and 13, the display device 20 includes a main body 100, a first shaft 200, a flexible screen assembly 300, a second shaft 400 and a first driving belt 500.
The display device 20 includes a main body 100, the main body 100 having a first positioning member 120, the first positioning member 120 having a first positioning structure 122.
It can be understood that the first positioning element 120 is disposed on the main body 100 through the first rotating shaft 114, the first positioning element 120 is sleeved on the first rotating shaft 114, two ends of the first rotating shaft 114 are rotatably connected with the main body 100, and the first positioning element 120 and the first rotating shaft 114 can rotate on the main body 100 around the first rotating shaft 114; the outer circumference of the first positioning member 120 is provided with a plurality of first positioning structures 122.
It is further understood that the first positioning structure 122 is a protrusion disposed at intervals on the outer periphery of the first positioning member 120.
It is further understood that the main body 100 further has a main transmission structure 140, the main transmission structure 140 can transmit driving kinetic energy between the first positioning member 120 and the second shaft body 400, and the first positioning member 120 and the second shaft body 400 rotate in the same direction under the action of the driving kinetic energy.
It is further understood that the main transmission structure 140 includes a plurality of gears meshed with each other, and the plurality of gears includes a second main gear 142 connected to the first positioning member 120, and a third main gear 144 connected to the second shaft 400, where the second main gear 142 and the third main gear 144 can rotate in the same direction and drive the first positioning member 120 and the second shaft 400 to rotate in the same direction.
Referring to fig. 7, 8 and 9, the display device 20 further includes a first shaft 200, where the first shaft 200 is disposed on the main body 100 and can rotate on the main body 100;
it will be appreciated that the screen motor 240 is disposed inside the first shaft body 200, the screen motor 240 is disposed inside the first shaft body 200 and is used for driving the first shaft body 200 to rotate, and the main body portion of the screen motor 240 and the first shaft body 200 can move together around the output shaft 242 of the screen motor 240.
It will be further appreciated that one end of the first shaft 200 has a recess with a shape and size adapted to the screen motor 240, the screen motor 240 is located inside the recess, the central axes of the first shaft 200 and the screen motor 240 are collinear, the body end of the screen motor 240 is connected to the bottom of the recess, and the end of the output shaft 242 of the screen motor 240 is connected to the main body 100.
Referring to fig. 7, 8 and 9, the display device 20 further includes a flexible screen assembly 300, and one end of the flexible screen assembly 300 is fixed to the first shaft 200 and can be disposed around the first shaft 200.
As can be appreciated, referring to fig. 8 and 9, when the screen motor 240 drives the first shaft 200 to rotate around the second direction H2, the first shaft 200 can drive the flexible screen assembly 300 to wind around the first shaft 200; when the screen motor 240 drives the first shaft 200 to rotate around the first direction H1, the first shaft 200 may disengage the flexible screen assembly 300 from the first shaft 200 layer by layer. Referring to fig. 7 and 8, the display device 20 further includes a second shaft 400, where the second shaft 400 is disposed on the main body 100 and can rotate on the main body 100.
Referring to fig. 7 and 8, the display device 20 further includes a first driving belt 500, one end of the first driving belt 500 is fixed to the second shaft body 400 and may be enclosed in the second shaft body 400, the other end of the first driving belt 500 is fixedly connected with the other end of the flexible screen assembly 300, and the first driving belt 500 and the flexible screen assembly 300 may extend out of the main body 100 together and be housed in the main body 100 together; the first belt 500 serves to support the flexible screen assembly 300 when the first belt 500 and the flexible screen assembly 300 are extended out of the main body 100.
The first belt 500 is made of a material having both flexibility and hardness, such as stainless steel, aluminum alloy, or titanium alloy.
It should be further noted that the first transmission belt 500 has a belt structure with two raised sides and a recessed middle, and the two sides of the belt structure are raised toward the flexible screen assembly 300, so that the first transmission belt 500 supports the flexible screen assembly 300.
It should also be noted that the first belt 500 may also be a belt-like structure that is raised toward the flexible screen assembly 300 such that the first belt 500 supports the flexible screen assembly 300.
It will be appreciated that the first belt 500 has a plurality of first locating holes 502 and that the first locating structure 122 of the first locating member 120 effects locating the position of the flexible screen assembly 300 and the first belt 500 when inserted into the first locating holes 502.
It will be appreciated that the shape and size of the first positioning hole 502 are matched with the shape and size of the first positioning structure 122, and the interval between the first positioning holes 502 and the circumferential interval between the first positioning structures 122 are approximately the same, so that the first positioning structure 122 is inserted into the first positioning hole 502 to enable the first positioning member 120 to move synchronously with the first driving belt 500.
As can be appreciated, referring to fig. 7, 8 and 9, the display device 20 further includes a belt motor 540 for driving the main transmission structure 140 to move, and the belt motor 540 is disposed on the main body 100; the main transmission structure 140 can make the driving kinetic energy mutually transmitted among the driving belt motor 540, the first positioning piece 120 and the second shaft body 400, and the driving belt motor 540, the first positioning piece 120 and the second shaft body 400 rotate in the same direction under the action of the driving kinetic energy.
It is understood that the plurality of gears further includes a first main gear 141 connected to the belt motor 540, and the first main gear 141, the second main gear 142, and the third main gear 144 can rotate in the same direction and drive the belt motor 540, the first positioning member 120, and the second shaft 400 to rotate in the same direction.
It will be appreciated that the plurality of gears further includes a fourth main gear 146 disposed between the first and second main gears 141, 142, and a fifth main gear 148 disposed between the second and third main gears 142, 144, the fourth and fifth main gears 146, 148 rotating in the same direction and in opposite directions to the belt motor 540, the first and second positioning members 120, 400.
It is understood that the structure of the display device 20 may have a set of main driving structures 140; the display device 20 may also have a set of secondary drive structures 150 in addition to the set of primary drive structures 140.
In the description of the present application, it should be understood that the terms "first," "second," "third," "fourth," "fifth," and the terms "primary," "secondary" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
It should be noted that, although the display device 20 shown in fig. 7-12 has a set of main transmission structures 140 and a set of auxiliary transmission structures 150 at the same time, the display device 20 of the embodiment of the present application is not limited to the structure that has a set of main transmission structures 140 and a set of auxiliary transmission structures 150 at the same time.
It will be appreciated that when the display device 20 is structured with a set of primary drive structures 140, the display device 20 includes a first positioning member 120 and a first drive belt 500; the first positioning piece 120 is connected with a third main gear 144 of the main transmission structure 140, the first positioning piece 120 can drive the third main gear 144 to rotate, and the third main gear 144 can also drive the first positioning piece 120 to rotate; the first positioning member 120 has a first positioning structure 122 inserted into the first positioning hole 502 of the first belt 500, and the first belt 500 can drive the first positioning member 120 to rotate under the action of the driving kinetic energy, and the first positioning member 120 can also drive the first belt 500 to move.
It will be further appreciated that referring to fig. 7, when the structure of the display device 20 has a set of main driving structures 140, the display device 20 further includes a flexible circuit board 700, and the flexible circuit board 700 is disposed between the flexible screen assembly 300 and the first driving belt 500 when the flexible screen assembly 300 and the first driving belt 500 are unfolded; one end of the flexible circuit board 700 is fixed to the second shaft body 400 together with one end of the first driving belt 500, and the other end of the flexible circuit board 700 is fixedly connected with the other end of the flexible screen assembly 300 together with the other end of the first driving belt 500.
As can be further appreciated, referring to fig. 7 and 10-12, when the display device 20 has a structure including a set of secondary driving structures 150 in addition to a set of primary driving structures 140, the display device 20 further includes a second positioning member 130 having the same structural dimensions as the first positioning member 120, a second driving belt 510 having the same structural dimensions as the first driving belt 500, and a third shaft 420 disposed on the main body 100 and rotatable in the main body 100. One end of the second belt 510 is fixed to the third shaft 420; the main body 100 has a first side plate 102 and a second side plate 104 which are parallel and oppositely arranged, the main transmission structure 140 is arranged on the first side plate 102, and the auxiliary transmission structure 150 is arranged on the second side plate 104; a synchronizing shaft 170 is provided between the main driving structure 140 and the sub driving structure 150 to synchronize the movement of the main driving structure 140 and the sub driving structure 150 to thereby drive the first driving belt 500, the second driving belt 510, and the flexible screen assembly 300 to move synchronously.
It should be noted that the second belt 510 is made of the same material as the first belt 500, such as stainless steel, aluminum alloy, and titanium alloy.
It should be further noted that the second belt 510 has a belt-like structure protruding toward the flexible screen assembly 300, so that the second belt 510 supports the flexible screen assembly 300.
Referring to fig. 7 and 10-12, it will be further appreciated that the secondary drive structure 150 includes a fourth secondary gear 156, a second secondary gear 152, a fifth secondary gear 158, and a third secondary gear 154 that are sequentially meshed. The second pinion 152 is connected to the second positioning member 130, and the second positioning member 130 can drive the second pinion 152 to rotate, and the second pinion 152 can also drive the second positioning member 130 to rotate. The second positioning member 130 has a second positioning structure 132 inserted into a second positioning hole 512 of the second driving belt 510, and the second driving belt 510 can drive the second positioning member 130 to rotate, and the second positioning member 130 can also drive the second driving belt 510 to move. The synchronizing shaft 170 has one end connected to the fourth main gear 146 provided to the first side plate 102 and the other end connected to the fourth sub gear 156 provided to the second side plate 104, so that the fourth main gear 146 and the fourth sub gear 156 are rotated synchronously, thereby synchronously moving the main transmission structure 140 and the sub transmission structure 150. It should be noted that the difference between the main transmission structure 140 and the auxiliary transmission structure 150 is that the main transmission structure 140 has a first main gear 141 connected to the belt motor 540 to receive the driving energy of the belt motor 540, and the auxiliary transmission structure has no gear having the same function as the first main gear 141. It is to be understood that, when the main transmission structure 140 is configured of a first main gear 141, a fourth main gear 146, a second main gear 142, a fifth main gear 148, and a third main gear 144 that are sequentially meshed, the auxiliary transmission structure 150 may be configured of a fourth pinion 156, a second pinion 152, a fifth pinion 158, and a third pinion 154 that are sequentially meshed; and it will be appreciated that the fourth main gear 146 functions the same as the fourth auxiliary gear 156, and in particular both functions as an auxiliary gear for conducting drive energy; the second main gear 142 and the second sub gear 152 have the same function, specifically, the second main gear 142 and the first positioning member 120 are connected so that driving energy can be mutually conducted before the two, the second sub gear 152 and the second positioning member 130 are connected so that driving energy can be mutually conducted between the two, and the fifth main gear 148 and the fifth sub gear 158 have the same function, specifically, can be used as auxiliary gears for conducting driving energy; the third main gear 144 functions the same as the third sub gear 154, and in particular, the third main gear 144 is connected to the second shaft body 400 so that driving energy can be mutually conducted therebetween, and the third sub gear 154 is connected to the third shaft body 420 so that driving energy can be mutually conducted before both.
It is further understood that when the display device 20 has a set of main driving structures 140 and a set of sub driving structures 150, the display device 20 further includes a flexible circuit board 700, and the flexible circuit board 700 may be disposed in different manners.
As one arrangement mode of the flexible circuit board 700, one end of the flexible circuit board 700 is fixed to the second shaft body 400 together with one end of the first transmission belt 500, and the other end of the flexible circuit board 700 is fixedly connected with the other end of the flexible screen assembly 300 together with the other end of the first transmission belt 500; when the flexible screen assembly 300, the first transmission belt 500 is unfolded, the middle portion of the flexible circuit board 700 is also unfolded together with the flexible screen assembly 300, the first transmission belt 500, and the middle portion of the flexible circuit board 700 is located between the flexible screen assembly 300 and the first transmission belt 500.
As another arrangement of the flexible circuit board 700, one end of the flexible circuit board 700 is fixed to the third shaft body 420 together with one end of the second transmission belt 510; the other end of the flexible circuit board 700 and the other end of the second transmission belt 510 are fixedly connected with one end, far away from the first shaft body 200, of the flexible screen assembly 300; when the flexible screen assembly 300 and the second driving belt 510 are unfolded, the middle portion of the flexible circuit board 700 is also unfolded together with the flexible screen assembly 300 and the second driving belt 510, and the middle portion of the flexible circuit board 700 is located between the flexible screen assembly 300 and the second driving belt 510.
It will be appreciated that when the first belt 500 and the flexible screen assembly 300 are deployed, the belt motor 540 is the main motor and the screen motor 240 is the auxiliary motor, and the driving kinetic energy of the belt motor 540 driving the first belt 500 to move is slightly greater than the driving kinetic energy of the screen motor 240 driving the flexible screen assembly 300 to move. When the first driving belt 500 and the flexible screen assembly 300 are folded, the screen motor 240 is a main electrode, the driving belt motor 540 is an auxiliary motor, and at this time, the driving kinetic energy of the screen motor 240 for driving the flexible screen assembly 300 to move is slightly greater than the driving kinetic energy of the driving belt motor 540 for driving the first driving belt 500 to move.
It should be noted that, referring to fig. 1 and 2, the display device 20 changes from the state shown in fig. 1 to the state shown in fig. 2 through the unfolding motion, and the flexible screen assembly 300 changes from the state shown in fig. 2 to the state shown in fig. 2 through the folding motion.
Referring to fig. 7 and 8, one implementation of the expanding and collapsing movement of the display device 20 is described below in conjunction with the main drive structure 140 of fig. 7 and 8.
The deployment movement of the display device 20 may be accomplished by: the belt motor 540 rotates around the first direction H1 to drive the first main gear 141, the fourth main gear 146, the second main gear 142, the fifth main gear 148 and the third main gear 144 to rotate, the third main gear 144 drives the second shaft body 400 and the first positioning member 120 to rotate in the same direction and the same rotation speed, the first positioning member 120 rotates to drive the first belt 500 to move, and simultaneously the second shaft body 400 rotates in the same direction and the same speed to push the first belt 500 and the flexible circuit board 700 outwards; the first transmission belt 500 is fixedly positioned with the flexible screen assembly 300 and one end of the flexible circuit board 700 and the side cover 302, when the first transmission belt 500 pushes outwards and drives the flexible screen assembly 300 to pull outwards, and when the flexible screen assembly 300 is pulled, the first shaft body 200 is driven to rotate along with the flexible screen assembly 300.
The process of implementing the folding movement of the display device 20 may be: the screen motor 240 rotates around the second direction H2 to drive the flexible screen assembly 300 to wind around and be accommodated in the main body along the first shaft body 200, the flexible screen assembly 300 is retracted to drive the first driving belt 500 to be accommodated in the main body, the first positioning member 120 is driven to rotate around the second direction along with the retraction of the first driving belt 500, the first positioning member 120 rotates around the second direction and simultaneously drives the second shaft body 400 to rotate around the second direction under the transmission of the first main gear 141, the fourth main gear 146, the second main gear 142, the fifth main gear 148 and the third main gear 144, and the second shaft body 400 rotates around the second direction to drive the first driving belt 500 and the flexible circuit board 700 to be accommodated in the accommodating space.
It should be appreciated that the course of motion of the secondary drive structure 150 is substantially identical to the course of motion of the primary drive structure 140, except that the belt motor 540 directly conducts drive energy to the primary drive structure 140, and the drive energy of the belt motor 540 is conducted to the secondary drive structure 150 via the primary drive structure 140 and the synchronizing shaft 170 in sequence. The synchronizing shaft 170 may enable drive energy to be conducted between the primary drive structure 140 and the secondary drive structure 150.
As can be appreciated, referring to fig. 7 and 11, the display device 20 further includes a fourth shaft 210 disposed on the main body 100 and capable of rotating on the main body 100, the fourth shaft 210 is parallel to and spaced apart from the first shaft 200, the flexible screen assembly 300 is disposed around the fourth shaft 210, and the fourth shaft 210 can drive the flexible screen assembly 300 to be unfolded or folded.
As can be understood, referring to fig. 7 and 8, the main body 100 further includes a battery case 180, the battery case 180 includes a first side wall 182, a second side wall 184, a third side wall 186, and a fourth side wall 188 that enclose a box shape, a second shaft body 400 and a first positioning member 120 are disposed between the first side wall 182 and the first side plate 102, a third shaft body 420 and a second positioning member 130 are disposed between the second side wall 184 and the second side plate 104, the synchronization shaft 170 is disposed outside the third side wall 186, the first shaft body 200 is disposed outside the fourth side wall 188, and the fourth shaft body 210 is disposed on a side of the first shaft body 200 away from the fourth side wall 188; the main body 100 further includes a plurality of main boards 160, where the plurality of main boards 160 are disposed on a side of the synchronization shaft 170 away from the third sidewall 186.
It will be appreciated that referring to fig. 7 and 11, the flexible circuit board 700 further has a connection portion 710. In the embodiment shown in fig. 7 and 11, when the flexible circuit board 700 is disposed between the flexible screen assembly 300 and the first driving belt 500 in the unfolded state of the flexible screen assembly 300 and the second driving belt 510, the connection portion 710 is wound around the third shaft 420, and the connection portion 710 is electrically connected to the main board 160.
It should be noted that, in addition to the embodiments shown in fig. 7 and 11, there is another embodiment, such as when the flexible circuit board 700 is disposed between the flexible screen assembly 300 and the first transmission belt 500 in the unfolded state of the flexible screen assembly 300 and the first transmission belt 500, the connection portion 710 is fixed to the second shaft body 400, so as to achieve that the flexible circuit board 700 is wound to the second shaft body 420 together with the first transmission belt 500. Referring to fig. 7 and 13, bearings are disposed at the ends of the output shaft 542 of the belt motor 540, and bearings are disposed at the two ends of the first shaft 200, the second shaft 400, the third shaft 420, the first shaft 114, and the second shaft 134, such as bearings 204 disposed at the two ends of the first shaft 200, to support the output shaft and the shaft during rotation of the output shaft and the shaft and reduce the friction coefficient of the output shaft and the shaft during rotation.
Referring to fig. 7, bearings 204 are further disposed at two ends of the first shaft body 200, and shaft caps 202 for fixing the bearings to the main body 100 are further disposed at outer ends of the bearings 204.
The main body 100 and components provided in the main body 100, such as the first shaft 200, the second shaft 400, the third shaft 420, the fourth shaft 210, the screen motor 240, and the belt motor 540, are all provided in the housing 900.
It should be noted that, referring to fig. 7, the display device 20 of the above embodiments may further include other devices, such as a battery 800, which is not described herein.
The foregoing has described in detail the display device provided by the embodiments of the present application, and specific examples have been used herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods of the present application and their core ideas; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (12)
1. A display device, comprising:
the main body is provided with a plurality of accommodating cavities, and is also provided with a first side plate and a second side plate which are parallel and oppositely arranged;
the first shaft body is arranged in one of the accommodating cavities of the main body and can rotate on the main body;
the flexible screen assembly is fixed at one end of the first shaft body and can be wound on the first shaft body;
the second shaft body is arranged in the other accommodating cavity of the main body and can rotate on the main body; and
the first driving belt is used for supporting the flexible screen assembly, one end of the first driving belt is fixed on the second shaft body and is connected with the second shaft body in a winding manner, the other end of the first driving belt is fixedly connected with the other end of the flexible screen assembly, one end of the first driving belt is wound in the main body, and the other end of the first driving belt can extend outwards from the main body and is arranged on a non-display surface of a part of the flexible screen assembly extending out of the main body;
the first driving belt is provided with a plurality of first positioning holes, the main body is provided with a first positioning piece, the first positioning piece is provided with a first positioning structure, and the first positioning structure is matched with the first positioning holes to realize the positioning of the positions of the flexible screen assembly and the first driving belt;
the display device further comprises a main transmission structure, a transmission belt motor and a screen motor, wherein the transmission belt motor is arranged on the main body, the main transmission structure is arranged on the first side plate and can rotate on the first side plate, the transmission belt motor is used for driving the main transmission structure to move, the screen motor is arranged in the first shaft body and is used for driving the first shaft body to rotate, and the main body part of the screen motor and the first shaft body can move together around an output shaft of the screen motor;
when the first transmission belt and the flexible screen assembly are unfolded, the transmission belt motor is a main motor, the screen motor is an auxiliary motor, and the motion quantity of the transmission belt, which is driven by the transmission belt motor, is slightly larger than that of the flexible screen assembly, which is driven by the screen motor; when the first transmission belt and the flexible screen assembly are folded, the screen motor is a main motor, the transmission belt motor is an auxiliary motor, and at the moment, the motion quantity of the flexible screen assembly driven by the screen motor is slightly larger than that of the first transmission belt driven by the transmission belt motor.
2. The display device according to claim 1, wherein the first positioning member is disposed on the main body through a first rotating shaft, the first positioning member is sleeved on the first rotating shaft, two ends of the first rotating shaft are rotatably connected with the main body, and the first positioning member and the first rotating shaft can rotate around the first rotating shaft on the main body; the first positioning structure comprises protrusions which are arranged on the periphery of the first positioning piece and used for being inserted into the first positioning holes, and the circumferential distance between every two adjacent protrusions is the same as that between every two adjacent first positioning holes, so that the first positioning piece and the first transmission belt synchronously move.
3. The display device according to claim 2, wherein the main transmission structure is connected to the first positioning member and the second shaft, and is configured to drive the first positioning member and the second shaft to rotate in the same direction under the action of driving kinetic energy.
4. A display device according to claim 3, wherein the main transmission structure comprises at least three gears intermeshed, one of the at least three gears intermeshed being connected to the first positioning member and another of the at least three gears intermeshed being connected to the second shaft body.
5. The display device according to claim 4, wherein the main transmission structure includes a first main gear, a second main gear, and a third main gear, the first main gear being connected to the transmission motor, the second main gear being connected to the first positioning member, the third main gear being connected to the second shaft body; the transmission belt motor drives the first main gear, the second main gear and the third main gear to rotate in the same direction, so that the transmission belt motor, the first positioning piece and the second shaft body are driven to rotate in the same direction.
6. The display device according to claim 5, wherein the plurality of gears further includes a fourth main gear between the first main gear and the second main gear, and a fifth main gear between the second main gear and the third main gear, the fourth main gear being configured to transmit driving kinetic energy between the first main gear and the second main gear, and the fifth main gear being configured to transmit driving kinetic energy between the second main gear and the third main gear.
7. The display device of claim 6, wherein the second side plate is provided with a secondary transmission structure and is rotatable on the second side plate, and the display device further comprises a second positioning member, a second transmission belt and a third shaft body; the third shaft body can rotate on the main body; the auxiliary transmission structure is connected with the second positioning piece and the third shaft body and is used for driving the second positioning piece and the third shaft body to rotate in the same direction under the action of driving kinetic energy; one end of the second transmission belt is fixed on the third shaft body and can be arranged around the third shaft body; the second driving belt is provided with a plurality of second positioning holes; the second positioning piece is provided with a second positioning structure, and the second positioning structure is inserted into the second positioning hole to position the flexible screen assembly and the second transmission belt; and a synchronizing shaft is arranged between the main transmission structure and the auxiliary transmission structure, so that the main transmission structure and the auxiliary transmission structure synchronously move to drive the first transmission belt, the second transmission belt and the flexible screen assembly to synchronously move.
8. The display device according to claim 7, wherein the sub-transmission structure includes a fourth sub-gear, a second sub-gear, a fifth sub-gear, and a third sub-gear which are sequentially engaged; the second pinion is connected with the second positioning piece, and the third pinion is connected with the third shaft body; the fourth pinion is connected with one end of the synchronizing shaft, the fourth main gear is connected with the other end of the synchronizing shaft, and the synchronizing shaft enables the fourth pinion and the fourth main gear to synchronously rotate.
9. The display device according to claim 6, further comprising a flexible wiring board, wherein one end of the flexible wiring board is fixed to the second shaft body together with one end of the first transmission belt, the other end of the flexible wiring board is fixedly connected with the other end of the flexible screen assembly together with the other end of the first transmission belt, and the flexible wiring board is provided between the flexible screen assembly and the first transmission belt when the flexible screen assembly and the first transmission belt are unfolded.
10. The display device according to claim 7 or 8, further comprising a flexible wiring board, wherein one end of the flexible wiring board is fixed to the third shaft body together with one end of the second transmission belt, the other end of the flexible wiring board is fixedly connected with one end of the flexible screen assembly away from the first shaft body together with the other end of the second transmission belt, and the flexible wiring board is provided between the flexible screen assembly and the second transmission belt when the flexible screen assembly and the second transmission belt are unfolded.
11. The display device of claim 10, further comprising a fourth shaft disposed on the main body and rotatable therein, the fourth shaft being positioned outside of the first shaft, the flexible screen assembly being movable about the fourth shaft.
12. The display device according to claim 11, wherein the main body further has a first side wall, a second side wall, a third side wall, and a fourth side wall which are sequentially connected and enclose a battery case, the second shaft and the first positioning member are provided between the first side wall and the first side plate, the third shaft and the second positioning member are provided between the second side wall and the second side plate, the synchronization shaft is provided outside the third side wall, the first shaft is provided outside the fourth side wall, and the fourth shaft is provided on a side of the first shaft away from the fourth side wall; the display device further comprises a plurality of main boards, and the main boards are arranged on one side, far away from the synchronous shaft, of the third side wall.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351255.2A CN115148090B (en) | 2021-03-31 | 2021-03-31 | Display device |
| PCT/CN2022/072755 WO2022206134A1 (en) | 2021-03-31 | 2022-01-19 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110351255.2A CN115148090B (en) | 2021-03-31 | 2021-03-31 | Display device |
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| Publication Number | Publication Date |
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| CN115148090A CN115148090A (en) | 2022-10-04 |
| CN115148090B true CN115148090B (en) | 2024-01-19 |
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| CN202110351255.2A Active CN115148090B (en) | 2021-03-31 | 2021-03-31 | Display device |
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| WO (1) | WO2022206134A1 (en) |
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| Publication number | Publication date |
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| WO2022206134A1 (en) | 2022-10-06 |
| CN115148090A (en) | 2022-10-04 |
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