CN117386713A - Variable curvature adjusting device for display and display - Google Patents

Variable curvature adjusting device for display and display Download PDF

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Publication number
CN117386713A
CN117386713A CN202311246613.9A CN202311246613A CN117386713A CN 117386713 A CN117386713 A CN 117386713A CN 202311246613 A CN202311246613 A CN 202311246613A CN 117386713 A CN117386713 A CN 117386713A
Authority
CN
China
Prior art keywords
shaft
framework
rotatably connected
arm
display
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311246613.9A
Other languages
Chinese (zh)
Inventor
于日
曾志
周俊强
徐雪峰
侯廉福
沈峻
黎旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Century Innovation Display Electronics Co ltd
Original Assignee
Shenzhen Century Innovation Display Electronics Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Century Innovation Display Electronics Co ltd filed Critical Shenzhen Century Innovation Display Electronics Co ltd
Priority to CN202311246613.9A priority Critical patent/CN117386713A/en
Publication of CN117386713A publication Critical patent/CN117386713A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/08—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a vertical axis, e.g. panoramic heads
    • 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
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis

Abstract

The application relates to the technical field of display adjusting mechanisms, and provides a variable curvature adjusting device for a display and the display, wherein the variable curvature adjusting device for the display comprises: the curvature adjusting units are hinged in sequence and are used for connecting the flexible screen; the curvature adjusting unit comprises a first shaft, a second shaft, a third shaft, a fourth shaft, a first framework, a second framework, a third framework and a fourth framework which are sequentially hinged, wherein the third framework is rotatably connected with the first shaft, the second framework is fixedly connected with the first shaft, both the second framework and the third framework are rotatably connected with the second shaft, the second framework is rotatably connected with the third shaft, and the first framework is fixedly connected with the third shaft; the curvature adjusting unit further comprises a speed increasing transmission mechanism and a constant speed transmission mechanism, and the variable curvature adjusting device for the display can enable the flexible screen convenient to assemble to better form a display effect similar to an arc.

Description

Variable curvature adjusting device for display and display
Technical Field
The present disclosure relates to the field of display adjustment mechanisms, and more particularly, to a variable curvature adjustment device for a display and a display.
Background
The display can be classified into a flat display and a curved display in terms of curvature. The curved surface display has wider visual angle and better stereoscopic impression, and accords with the eyeball structure of a person when in viewing; the brightness, color and definition of the flat panel display are better, the picture geometry is not distorted, and the flat panel display is more friendly to designers.
The display device has the advantages that the display device can be freely adjusted in a plane state and a curved surface state, and the advantages of the plane display device and the curved surface display device can be considered, but the screen curvature adjusting mechanism for the display device in the prior art has the problems that the adjusting curvature is not continuous and natural enough and is not close to an arc, so that the visual effect of the curved surface state is poor.
Disclosure of Invention
The invention mainly aims to provide a variable curvature adjusting device for a display, and aims to solve the technical problems that a screen curvature adjusting mechanism in the prior art is poor in adjusting continuity and is not close to an arc.
In order to achieve the above purpose, the invention adopts the following technical scheme: a variable curvature adjustment device for a display, comprising:
the curvature adjusting units are sequentially hinged and are used for being connected with the flexible screen;
the curvature adjusting unit comprises a first shaft, a second shaft, a third shaft, a fourth shaft, and a first framework, a second framework, a third framework and a fourth framework which are sequentially hinged, wherein the third framework is rotatably connected with the first shaft, the second framework is fixedly connected with the first shaft, both the second framework and the third framework are rotatably connected with the second shaft, the second framework is rotatably connected with the third shaft, and the first framework is fixedly connected with the third shaft;
the curvature adjusting unit further comprises a speed-increasing transmission mechanism connected with the second framework and the third framework, the speed-increasing transmission mechanism is used for transmitting the rotating speed of the first shaft to the second shaft in an increasing mode, the curvature adjusting unit further comprises a constant-speed transmission mechanism connected with the first framework and the second framework, and the constant-speed transmission mechanism is used for transmitting the rotating speed of the second shaft to the third shaft in a constant speed mode.
Further, the hinge axes of the first framework, the second framework, the third framework and the fourth framework, which are sequentially hinged, are arranged at equal intervals.
Further, the third skeleton is rotatably connected to the fourth shaft, the fourth skeleton is fixedly connected to the fourth shaft, and a predetermined curvature adjusting unit of the plurality of curvature adjusting units includes a constant-speed reverse transmission mechanism connecting the third skeleton and the fourth skeleton, the constant-speed reverse transmission mechanism being configured to transmit a rotational speed of the first shaft to the fourth shaft in a constant-speed reverse manner.
Further, the constant velocity reversing transmission mechanism is included in a center curvature adjusting unit of the plurality of curvature adjusting units.
Further, the speed increasing transmission mechanism comprises a first connecting arm, a second connecting arm, a third connecting arm, a fourth connecting arm and a fifth connecting arm which are sequentially and rotatably connected, wherein the first connecting arm is fixedly connected with the first shaft, the third connecting arm is rotatably connected with the third framework, and the fifth connecting arm is rotatably connected with the second shaft.
Further, the constant speed transmission mechanism comprises a sixth connecting arm, a seventh connecting arm and an eighth connecting arm which are sequentially and rotatably connected, wherein the sixth connecting arm is fixedly connected with the second shaft, and the eighth connecting arm is fixedly connected with the third shaft.
Further, the constant velocity reverse transmission mechanism includes a movable arm, a ninth connecting arm, a tenth connecting arm, and an eleventh connecting arm, a twelfth connecting arm, a thirteenth connecting arm, a fourteenth connecting arm, and a fifteenth connecting arm which are rotatably connected in this order, a middle portion of the movable arm is movably and rotatably connected to the third frame, a first end of the ninth connecting arm is rotatably connected to the movable arm, the third connecting arm and the fourth connecting arm are rotatably connected to each other through a fifth shaft, a second end of the ninth connecting arm is rotatably connected to the fifth shaft, the eleventh connecting arm is fixedly connected to the fourth shaft, the thirteenth connecting arm is rotatably connected to the third frame, the thirteenth connecting arm and the fourteenth connecting arm are rotatably connected to each other through a sixth shaft, a first end of the tenth connecting arm is rotatably connected to the movable arm, a second end of the tenth connecting arm is rotatably connected to the sixth shaft, the tenth connecting arm is rotatably connected to the seventh frame, and the ninth frame is rotatably connected to the seventh frame, and the seventh frame is rotatably connected to the eighth frame.
Further, the variable curvature adjusting device for the display comprises a movable arm support fixedly connected to the third framework, a long hole extending in parallel with the length direction of the movable arm is formed in the movable arm support, and the middle of the movable arm is movably and rotatably connected to the long hole through an eighth shaft.
In addition, the invention also provides a display, which comprises a support and a flexible screen, wherein the display further comprises the variable curvature adjusting device for the display, and the back surface of the flexible screen is connected with the support through the variable curvature adjusting device for the display.
Further, the display further comprises a movable adjusting mechanism, the variable curvature adjusting device for the display is connected with the support through the movable adjusting mechanism, and the movable adjusting mechanism can at least adjust the variable curvature adjusting device for the display to swing transversely, swing vertically and move up and down relative to the support.
The application provides a variable curvature adjusting device for display's beneficial effect lies in:
in the variable curvature adjusting device for the display, provided by the embodiment of the invention, as the plurality of curvature adjusting units which are hinged in sequence are arranged, each curvature adjusting unit is provided with the plurality of frameworks (the first framework, the second framework, the third framework and the fourth framework), and the speed increasing transmission mechanism and the constant speed transmission mechanism are matched, so that other frameworks are linked in sequence when the outermost framework or some other framework is pulled, the curvature is changed rapidly, and the flexible screen is convenient to form a display effect similar to an arc better when fixed on the curved frameworks.
In a further scheme, the constant-speed reverse action of the constant-speed reverse transmission mechanism is equivalent to providing a symmetrical linkage mechanism, so that when all the frameworks between the frameworks and the linkage mechanism are bent only by pulling the outermost framework at one end of the variable curvature adjusting device, all the frameworks between the outermost framework at the other end of the variable curvature adjusting device and the linkage mechanism also form the same bending, and the linkage of two sides of the flexible screen is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, 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 according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is an independent view of a curvature adjustment unit in a variable curvature adjustment device for a display provided in one embodiment of the present application;
FIG. 2 is another independent view of a curvature adjustment unit in a variable curvature adjustment device for a display provided in one embodiment of the present application;
FIG. 3 is a schematic perspective view of a display according to an embodiment of the present application in a planar state;
fig. 4 is a schematic perspective view of a display in a curved state according to an embodiment of the present application;
FIG. 5 is an assembled schematic view of a display according to another embodiment of the present application;
FIG. 6 is a schematic diagram of a connection between a third frame and a back plate in a variable curvature adjustment device for a display according to another embodiment of the present application;
fig. 7 is a schematic diagram of a display in a curved state compared with a standard circle according to another embodiment of the present application.
Reference numerals related to the above figures are as follows:
1-a flexible screen; 2-a first shaft; 3-a second axis; 4-a third axis; 5-fourth axis; 6-a first backbone; 7-a second backbone; 8-a third framework; 9-a fourth backbone; 10-a first connecting arm; 11-a second connecting arm; 12-a third connecting arm; 13-fourth connecting arms; 14-a fifth connecting arm; 15-sixth connecting arms; 16-seventh connecting arm; 17-eighth connecting arm; 18-a movable arm; 19-a ninth connecting arm; 20-tenth connecting arm; 21-eleventh connecting arm; 22-twelfth link arm; 23-thirteenth connecting arm; 24-fourteenth connecting arm; 25-fifteenth connecting arm; 26-fifth axis; 27-sixth axis; 28-seventh axis; 29-a movable arm support; 30-long holes; 31-eighth axis; 32-supporting seats; 33-a vertically movable joint; 34-horizontal articulation; 35-a back plate; 36-screws; 37-resilient cushioning; 38-buckle plate; 39-reinforcing plates; 40-fixed platen.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
For the purpose of illustrating the technical solutions described herein, the following detailed description is provided with reference to specific drawings and examples.
Referring to fig. 1 to 5, an embodiment of the present invention provides a variable curvature adjustment device for a display, including:
a plurality of curvature adjusting units hinged in sequence, wherein the curvature adjusting units are used for connecting a flexible screen 1, and the flexible screen 1 is a screen which is known to be made of a material capable of bending between a plane and a track;
the curvature adjusting unit comprises a first shaft 2, a second shaft 3, a third shaft 4, a fourth shaft 5, and a first framework 6, a second framework 7, a third framework 8 and a fourth framework 9 which are hinged in sequence, wherein the third framework 8 is rotatably connected with the first shaft 2, the second framework 7 is fixedly connected with the first shaft 2, the second framework 7 and the third framework 8 are rotatably connected with the second shaft 3, the second framework 7 is rotatably connected with the third shaft 4, the first framework 6 is fixedly connected with the third shaft 4, the first framework 6 in one curvature adjusting unit is hinged with the fourth framework 9 in the other curvature adjusting unit or serves as the outermost framework of the variable curvature adjusting device, and the fourth framework 9 in one curvature adjusting unit is hinged with the first framework 6 in the other curvature adjusting unit or serves as the outermost framework of the variable curvature adjusting device;
the curvature adjusting unit further comprises a speed increasing transmission mechanism connected with the second framework 7 and the third framework 8, the speed increasing transmission mechanism is used for transmitting the rotating speed of the first shaft 2 to the second shaft 3 in an increasing mode, the curvature adjusting unit further comprises a constant speed transmission mechanism connected with the first framework 6 and the second framework 7, and the constant speed transmission mechanism is used for transmitting the rotating speed of the second shaft 3 to the third shaft 4 in a constant speed mode.
A variable curvature adjustment device for a display includes an electric mechanism connected to a curvature adjustment unit to drive a backbone in the curvature adjustment unit to swing.
In the variable curvature adjustment device for a display provided by the embodiment of the invention, as a plurality of curvature adjustment units are sequentially hinged, each curvature adjustment unit is provided with a plurality of frameworks (the first framework 6, the second framework 7, the third framework 8 and the fourth framework 9), and the other frameworks are sequentially linked when the outermost framework or some other framework is pulled by matching with the speed-increasing transmission mechanism and the constant-speed transmission mechanism, so that the curvature is rapidly changed, and the display effect similar to an arc is better formed when the flexible screen 1 is fixed on the curved frameworks (see fig. 7).
According to the preferred embodiment of the present invention, the hinge axes of the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9, which are sequentially hinged, are arranged at equal intervals, so that the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9 can be arranged at even distances, and the even change angle in bending is also beneficial to better form the display effect of approximate circular arcs when the flexible screen 1 is fixed on a plurality of bent frames, and certainly, even if the hinge axes of the first frame 6, the second frame 7, the third frame 8 and the fourth frame 9, which are sequentially hinged, are not arranged at equal intervals, the scheme falls into the protection scope of the present invention.
According to an embodiment of the present invention, the third frame 8 is rotatably connected to the fourth shaft 5, the fourth frame 9 is fixedly connected to the fourth shaft 5, and a predetermined curvature adjusting unit of the plurality of curvature adjusting units includes a constant velocity reversing transmission mechanism for connecting the third frame 8 and the fourth frame 9, and the constant velocity reversing transmission mechanism is used for transmitting the rotation speed of the first shaft 2 to the fourth shaft 5 in a constant velocity reversing manner, since the middle portion of the flexible screen 1 is required to be concaved to form the two-sided equidirectional bending effect when the flexible screen 1 is converted from the flat surface to the curved surface, if the constant velocity reversing transmission mechanism is not designed, the two-sided frames are required to be simultaneously pulled to form the required bending effect of the flexible screen 1, the constant velocity reversing effect of the constant velocity reversing transmission mechanism is equivalent to providing a symmetrical linkage mechanism, and thus, when all the frames between one end of the variable curvature adjusting device and the linkage mechanism are bent, all the frames between the other end of the variable curvature adjusting device and the linkage mechanism are also required to form the same bending.
According to a preferred embodiment of the present invention, the variable curvature adjustment device for a display includes an electric mechanism, which is connected to the curvature adjustment unit to drive the skeleton in the curvature adjustment unit to swing, and the electric mechanism may include a motor, an electric push rod, a known mechanical transmission member, and the like, and only needs to generate a force for pushing or pulling a certain skeleton to rotate, that is, the curvature change of the variable curvature adjustment device is adjusted in an electronically controlled manner, but the present invention does not exclude a manual adjustment manner.
According to one embodiment of the present invention, the central curvature adjusting unit of the plurality of curvature adjusting units includes a constant velocity reversing gear mechanism, and since the curved display screen is generally in a shape of a concave middle, the constant velocity reversing gear mechanism is disposed in the central curvature adjusting unit of the plurality of curvature adjusting units, especially disposed only on the central skeleton, but is not excluded in the case that the constant velocity reversing gear mechanism is disposed on the other skeleton.
According to one embodiment of the present invention, the speed increasing transmission mechanism includes a first connecting arm 10, a second connecting arm 11, a third connecting arm 12, a fourth connecting arm 13 and a fifth connecting arm 14 which are rotatably connected in this order, the first connecting arm 10 is fixedly connected to the first shaft 2, the third connecting arm 12 is rotatably connected to the third frame 8, and the fifth connecting arm 14 is rotatably connected to the second shaft 3. The constant speed transmission mechanism comprises a sixth connecting arm 15, a seventh connecting arm 16 and an eighth connecting arm 17 which are connected in turn in a rotatable manner, wherein the sixth connecting arm 15 is fixedly connected to the second shaft 3, and the eighth connecting arm 17 is fixedly connected to the third shaft 4. The constant velocity reverse transmission mechanism includes a movable arm 18, a ninth link arm 19, a tenth link arm 20, and an eleventh link arm 21, a twelfth link arm 22, a thirteenth link arm 23, a fourteenth link arm 24, and a fifteenth link arm 25 which are rotatably connected in this order, the middle portion of the movable arm 18 is movably and rotatably connected to the third frame 8, a first end of the ninth link arm 19 is rotatably connected to the movable arm 18, the third link arm 12 and the fourth link arm 13 are rotatably connected to each other through a fifth shaft 26, a second end of the ninth link arm 19 is rotatably connected to the fifth shaft 26, the eleventh link arm 21 is fixedly connected to the fourth shaft 5, the thirteenth link arm 23 is rotatably connected to the third frame 8, the thirteenth link arm 23 and the fourteenth link arm 24 are rotatably connected to each other through a sixth shaft 27, a first end of the tenth link arm 20 is rotatably connected to the third frame 18, a second end of the tenth link arm 20 is rotatably connected to the sixth shaft 27, a second end of the movable arm 18 is rotatably connected to the fourth frame 18, and a position of the movable arm 18 and the tenth link arm 20 is rotatably connected to the seventh frame 8 through a seventh shaft 28, and a constant velocity reverse transmission mechanism is further rotatably connected to the seventh frame 28 at a position adjacent to the fourth frame 8 through a fifth shaft 28.
It should be noted that the term "sequentially rotatably connected" or "sequentially hinged" means that adjacent members among the plurality of listed members are rotatably connected, for example, the first connecting arm 10, the second connecting arm 11, the third connecting arm 12, the fourth connecting arm 13, and the fifth connecting arm 14 are sequentially rotatably connected (sequentially hinged) means that the first connecting arm 10 is rotatably connected to the second connecting arm 11, the second connecting arm 11 is rotatably connected to the third connecting arm 12, the third connecting arm 12 is rotatably connected to the fourth connecting arm 13, and the fourth connecting arm 13 is rotatably connected to the fifth connecting arm 14.
In this embodiment, in a specific operation, when the third frame 8 is fixed to the support 32 (see below) of the display, the rotation speed of the first frame 6 around the third axis 4 is 2 times that of the second frame 7 around the first axis 2 when the first frame 6 is manually or electrically pulled; the rotation speed of the fourth skeleton 9 around the fourth shaft 5 is equal to but opposite to the rotation speed of the second skeleton 7 around the first shaft 2. The angle of the first skeleton 6 with respect to the second skeleton 7 is equal to the angle of the second skeleton 7 with respect to the third skeleton 8, and the angle of the fourth skeleton 9 with respect to the third skeleton 8 is equal to the angle of the second skeleton 7 with respect to the third skeleton 8. Similarly, when the outermost framework of the variable curvature adjusting mechanism is pulled, the included angles between the adjacent frameworks on the mechanism are equal. When the flexible screen 1 is fixed to the curved skeleton, a display effect of an approximate circular arc is formed (see fig. 7).
According to an embodiment of the present invention, the variable curvature adjustment device for a display includes a movable arm support 29 fixedly connected to the third frame 8, a long hole 30 extending parallel to the length direction of the movable arm 18 is formed in the movable arm support 29, the middle portion of the movable arm 18 is movably and rotatably connected to the long hole 30 through an eighth shaft 31, and the eighth shaft 31 may completely penetrate or partially limit the long hole 30.
Although the specific embodiments of the speed increasing transmission mechanism, the constant velocity transmission mechanism, and the constant velocity reversing transmission mechanism are described above only in the form of the link arm, it is to be understood that the speed increasing transmission mechanism, the constant velocity transmission mechanism, and the constant velocity reversing transmission mechanism each include at least one of a gear transmission mechanism, a sprocket transmission mechanism, and a pulley transmission mechanism, that is, a similar transmission function can be achieved by using the gear transmission mechanism, the sprocket transmission mechanism, and the pulley transmission mechanism, and that the number, layout, and the like of the link arms are not limited to those exemplified in the specific embodiments of the present application.
The invention further provides a display comprising a support 32 and a flexible screen 1 and the above-mentioned variable curvature adjustment device for a display, the back of the flexible screen 1 being connected to the support 32 by the variable curvature adjustment device for a display.
Referring to fig. 3 to 6, according to an embodiment of the present invention, the display further includes a movable adjustment mechanism through which the variable curvature adjustment device for the display is connected to the stand 32, the movable adjustment mechanism being capable of adjusting at least the lateral swing, the vertical swing, and the elevating movement of the variable curvature adjustment device for the display with respect to the stand 32. Specifically, the lateral swing can be achieved by the vertical movable joint 33, the vertical swing can be achieved by the horizontal movable joint 34, and the lifting movement can be achieved by the lifting rail or the like on the support 32.
As other embodiments, the vertical movable joint 33 and the horizontal movable joint 34 may be replaced by a universal ball joint, and the lifting rail may be replaced by a lifting cylinder or the like.
Furthermore, the back of the flexible screen 1 is provided with a back plate 35, of course, the back plate 35 is provided with at least the same complete deformability as the flexible screen 1, and the back plate 35 is detachably connected to the curvature adjusting unit, in particular to a certain frame, for example the third frame 8, by means of a fixed pressure plate 40 in combination with a threaded fastener, for example a screw 36. As a specific embodiment, the back plate 35 has a mounting through hole for the threaded fastener to pass through, and the mounting through hole is an oval hole, so that the displacement of the back plate 35 relative to the skeleton is facilitated in the process of changing the curvature of the variable curvature adjustment device.
Further, an elastic buffer 37 such as a plastic gasket or the like is provided between the back plate 35 and the curvature adjusting unit to reduce friction between the back plate 35 and the curvature adjusting unit and to avoid occurrence of scratch abnormal sound of parts.
According to one embodiment of the invention, the abutment 32 may be connected to the curvature adjustment unit by means of a threaded fastener, a pinch plate 38 by means of a threaded fastening, but other connection means such as a socket, a snap-in etc. are not excluded. In order to enhance the connection stability of the curvature adjusting unit and the back plate 35, a reinforcing plate 39 may be further added to fasten the back plate 35 and the skeleton in the curvature adjusting unit.
The foregoing description of the preferred embodiments is merely exemplary in nature and is in no way intended to limit the invention, since it is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims (10)

1. A variable curvature adjustment device for a display, comprising:
the curvature adjusting units are sequentially hinged and are used for being connected with the flexible screen;
the curvature adjusting unit comprises a first shaft, a second shaft, a third shaft, a fourth shaft, and a first framework, a second framework, a third framework and a fourth framework which are sequentially hinged, wherein the third framework is rotatably connected with the first shaft, the second framework is fixedly connected with the first shaft, both the second framework and the third framework are rotatably connected with the second shaft, the second framework is rotatably connected with the third shaft, and the first framework is fixedly connected with the third shaft;
the curvature adjusting unit further comprises a speed-increasing transmission mechanism connected with the second framework and the third framework, the speed-increasing transmission mechanism is used for transmitting the rotating speed of the first shaft to the second shaft in an increasing mode, the curvature adjusting unit further comprises a constant-speed transmission mechanism connected with the first framework and the second framework, and the constant-speed transmission mechanism is used for transmitting the rotating speed of the second shaft to the third shaft in a constant speed mode.
2. A variable curvature adjustment device for a display according to claim 1, wherein the hinge axes of the first, second, third and fourth frames, which are sequentially hinged, are arranged at equal intervals.
3. A variable curvature adjustment device for a display according to claim 1, wherein the third frame is rotatably connected to the fourth shaft, the fourth frame is fixedly connected to the fourth shaft, and a predetermined curvature adjustment unit of the plurality of curvature adjustment units includes a constant velocity reversing transmission mechanism connecting the third frame and the fourth frame for transmitting the rotational speed of the first shaft to the fourth shaft in constant velocity reversing.
4. A variable curvature adjustment device for a display as claimed in claim 3, wherein the constant velocity reversing drive is included in a central curvature adjustment unit of the plurality of curvature adjustment units.
5. A variable curvature adjustment device for a display as claimed in claim 3, wherein the step-up gear comprises a first connecting arm, a second connecting arm, a third connecting arm, a fourth connecting arm and a fifth connecting arm rotatably connected in sequence, the first connecting arm being fixedly connected to the first shaft, the third connecting arm being rotatably connected to the third frame, the fifth connecting arm being rotatably connected to the second shaft.
6. A variable curvature adjustment device for a display of claim 5, wherein the constant velocity drive mechanism comprises a sixth connecting arm, a seventh connecting arm and an eighth connecting arm rotatably connected in sequence, the sixth connecting arm being fixedly connected to the second shaft, the eighth connecting arm being fixedly connected to the third shaft.
7. The variable curvature adjustment device for a display according to claim 6, wherein the constant velocity reverse transmission mechanism includes a movable arm, a ninth link arm, a tenth link arm, and an eleventh link arm, a twelfth link arm, a thirteenth link arm, a fourteenth link arm, and a fifteenth link arm which are sequentially rotatably connected, a middle portion of the movable arm is movably and rotatably connected to the third frame, a first end of the ninth link arm is rotatably connected to the movable arm, the third link arm and the fourth link arm are rotatably connected to each other through a fifth shaft, a second end of the ninth link arm is rotatably connected to the fifth shaft, the eleventh link arm is fixedly connected to the fourth shaft, the thirteenth link arm is rotatably connected to the third frame, the thirteenth link arm and the fourteenth link arm are rotatably connected to each other through a sixth shaft, a first end of the tenth link arm is rotatably connected to the movable arm, a second end of the tenth link arm is rotatably connected to the seventh frame is rotatably connected to the movable arm, the ninth link arm is rotatably connected to the fifteenth frame through a seventh shaft, and the thirteenth link arm is rotatably connected to the movable frame is positioned adjacent to the seventh frame.
8. The device according to claim 7, wherein the device comprises a movable arm support fixedly connected to the third frame, a long hole extending parallel to a length direction of the movable arm is formed in the movable arm support, and a middle portion of the movable arm is movably and rotatably connected to the long hole through an eighth shaft.
9. A display comprising a stand and a flexible screen, characterized in that the display further comprises a variable curvature adjustment device for a display according to any of claims 1 to 8, the back of the flexible screen being connected to the stand by the variable curvature adjustment device for a display.
10. The display of claim 9, further comprising a movable adjustment mechanism by which the variable curvature adjustment device for the display is coupled to the stand, the movable adjustment mechanism being capable of adjusting at least the lateral swing, the vertical swing, and the lifting motion of the variable curvature adjustment device for the display relative to the stand.
CN202311246613.9A 2023-09-25 2023-09-25 Variable curvature adjusting device for display and display Pending CN117386713A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311246613.9A CN117386713A (en) 2023-09-25 2023-09-25 Variable curvature adjusting device for display and display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311246613.9A CN117386713A (en) 2023-09-25 2023-09-25 Variable curvature adjusting device for display and display

Publications (1)

Publication Number Publication Date
CN117386713A true CN117386713A (en) 2024-01-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311246613.9A Pending CN117386713A (en) 2023-09-25 2023-09-25 Variable curvature adjusting device for display and display

Country Status (1)

Country Link
CN (1) CN117386713A (en)

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