KR20160128021A - Bending driving device for bendable display - Google Patents

Bending driving device for bendable display Download PDF

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Publication number
KR20160128021A
KR20160128021A KR1020150059728A KR20150059728A KR20160128021A KR 20160128021 A KR20160128021 A KR 20160128021A KR 1020150059728 A KR1020150059728 A KR 1020150059728A KR 20150059728 A KR20150059728 A KR 20150059728A KR 20160128021 A KR20160128021 A KR 20160128021A
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KR
South Korea
Prior art keywords
gear
driving
cover
output
output shaft
Prior art date
Application number
KR1020150059728A
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Korean (ko)
Inventor
박진성
최재형
양강주
Original Assignee
주식회사 에스 씨디
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Application filed by 주식회사 에스 씨디 filed Critical 주식회사 에스 씨디
Priority to KR1020150059728A priority Critical patent/KR20160128021A/en
Publication of KR20160128021A publication Critical patent/KR20160128021A/en

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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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention relates to a driving device for varying a variable display, capable of allowing a worker to easily handle a coupling member for coupling a gear box and a driving motor, and a coupling member tool. According to the present invention, the driving device for varying the variable display includes: a driving motor for rotating a driving shaft; an output shaft for driving a varying member for varying the display; a gear member for transmitting rotary power of the driving shaft to the output shaft; a box main body having the gear member and the output shaft in the inside, and including an open upper surface and one open side surface; and a gear box cover including an upper surface cover for covering the open upper surface, and a tool cover extending from the upper surface cover for covering the one open side surface while being coupled to the driving motor.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a variable driving device for a variable display,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a variable display, and more particularly, to a variable driving apparatus for a variable display.

There are various kinds of displays for displaying images. Such a display includes a liquid crystal display panel, a plasma display panel, and an organic light emitting diode display panel.

The field of use of such a display is gradually expanding. Various characteristics are required depending on the field of use of the display.

Particularly, in the field of consumer electronics, there is a demand for not only a characteristic relating to displaying an image but also a characteristic of giving a three-dimensional feeling. In order to meet such a demand, studies are being made to improve the structure of the display in various forms. As a result of such research, a variable display capable of changing the shape of the display from a flat surface to a curved surface has been developed, as disclosed in Korean Patent Publication No. 10-2014-0147561.

Hereinafter, a conventional variable-type display disclosed in Korean Patent Laid-Open Publication No. 10-2014-0147561 will be described with reference to the drawings.

FIG. 1 is an exploded rear perspective view of a conventional variable display, and FIG. 2 is an exploded perspective view of an enlarged view of FIG.

1 and 2, a conventional variable display 1 includes a display module 10 including a display panel 12 for displaying an image and a support member 14 for supporting the display panel 12, A variable drive device 30 for a variable display that provides power for changing the shape of the display panel 12 and a variable drive device 30 for driving the rear surface of the display module 10, And a cover (40).

The variable member 20 includes a first deformable member 21 whose one end is coupled to one side edge of the display module 10 and the other end to which the first movable member 37-1 is coupled, 10, and the second movable member 37-2 is coupled to the other end of the second movable member 37-2.

The variable driving apparatus 30 for a variable display includes a driving motor 31 coupled to the display module 10 and rotating the driving shaft 31-1, a first screw hole The first screw member 33-1 for moving the first shifting member 37-1 and the second screw hole 38-2 for the second shifting member 37-2 are inserted into the first screw holes 38-1, A second screw member 33-2 for moving the second moving member 37-2 as it rotates, and first and second screw members 33-1 and 33-2 on both sides of the second screw member 33-2. A gear member 35 for transmitting the rotational force of the drive shaft 31-1 to the output shaft 34 and a drive motor 31 connected to the output shaft 34 and the gear member 35 are disposed and installed.

In the conventional variable display 1 having the above configuration, when the drive motor 31 of the variable drive for variable display 30 rotates the drive shaft 31-1 forward or backward, the first movable member The distance between the first moving member 37-1 and the second moving member 37-2 becomes longer or shorter. Therefore, the shape of the conventional variable display 1 changes to a flat surface or a curved surface.

On the other hand, the gear box 36 including the gear box body (not shown in the figure) and the gear box cover (not shown in the figure) of the variable drive device 30 for variable display of the conventional variable display 1 is driven And is coupled to the motor 31 by a fastening member such as a bolt.

The gear box 36 of the conventional variable display device 1 includes the gear box main body of the variable drive device 30 for variable display and the gear box 36 including the gear box cover. It is difficult to handle the fastening member which is engaged with the fastening member.

In other words, the fastening member tool for rotating the fastening member and the fastening member must be inserted into the fastening groove formed in the drive motor 31 inside the gearbox body (not shown in the figure) (Not shown), and it is also difficult to enter the fastening member tool for rotating the fastening member.

Korean Patent Laid-Open Publication No. 10-2014-0147561 (entitled DISPLAY DEVICE, published on Dec. 30, 2014)

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a coupling member for coupling a gear box and a driving motor, and a variable- And to provide a variable driving device for a display.

According to an aspect of the present invention, there is provided a variable driving apparatus for a variable display, including: a driving motor for rotating a driving shaft; An output shaft for driving a deformable member deforming the display; A gear member for transmitting the rotational force of the drive shaft to the output shaft; A gear box main body including an upper surface and an opened side surface, the gear member and the output shaft being disposed inside; And a gear box cover including a top cover covering the opened top surface and an extension cover extending from the top cover to cover the opened one side surface and to which the driving motor is coupled.

The output shaft may further include a driving gear coupled to the driving shaft, an output gear coupled to the output shaft, and a coupling gear transmitting the rotational force of the driving gear to the output gear, Wherein an output gear positioning portion for determining the position of the output gear is formed and an output gear coupling portion is formed in which the output gear is forcibly fitted and coupled, the diameter of the output gear coupling portion is smaller than the diameter of the output gear positioning portion, May be larger than the diameter of the portion of the shaft other than the output gear engaging portion and the output gear positioning portion.

A fastening member through-hole formed in the extension cover; A fastening groove formed in the driving motor; And a fastening member that is coupled to the fastening groove through the fastening member through-hole.

Further, the fastening member may be a bolt.

The cover may further include first and second reinforcing portions extending from both sides of the extension cover toward the opposite sides of the top cover and connected to both sides of the top cover.

According to the variable drive apparatus for a variable display according to the present invention, the fastening member can be coupled to the fastening groove formed in the drive motor without being interfered by the parts disposed inside the gearbox body.

And the tool for rotating the fastening member can be handled without being interfered with by other parts.

Furthermore, the productivity of the variable drive for variable display is improved and the manufacturing cost is reduced.

1 is a rear exploded perspective view of a conventional variable display.
2 is an exploded perspective view showing an enlarged view of FIG.
3 is a rear exploded perspective view of a variable display to which a variable driving device for a variable display according to an embodiment of the present invention is applied.
4 is an exploded perspective view illustrating a variable driving apparatus for a variable display according to an embodiment of the present invention.
5 is a perspective view illustrating an output shaft according to an embodiment of the present invention.
6 is a front view of a gear box cover according to an embodiment of the present invention.
7 is a bottom perspective view of a gearbox cover according to an embodiment of the present invention.
8 is a view for explaining a process of assembling a gear box cover and a motor of a variable driving apparatus for a variable display according to an embodiment of the present invention.
9 is a view for explaining a process of assembling the gear box main body and the gear box cover of the variable driving device for variable display according to the embodiment of the present invention.

The present invention is capable of various modifications and various embodiments, and specific embodiments are illustrated and described in the drawings. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the scope of the invention.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings, wherein like or corresponding elements are denoted by the same reference numerals, and redundant description thereof will be omitted. Also, it is to be understood that the terms used in the following description, such as the up and down, left and right, front and rear, and the like, are terms based on the accompanying drawings.

Hereinafter, a variable driving apparatus for a variable display according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 3 is a rear exploded perspective view of a variable display device to which a variable driving device for a variable display according to an embodiment of the present invention is applied, FIG. 4 illustrates a variable driving device for a variable display device according to an embodiment of the present invention 5 is a perspective view showing an output shaft according to an embodiment of the present invention, FIG. 6 is a front view showing a gear box cover according to an embodiment of the present invention, and FIG. 7 is a perspective view showing an embodiment of the present invention Fig. 3 is a perspective view of the gear box cover according to the present invention. Fig.

3 to 7, a variable driving apparatus 100 for a variable display according to an embodiment of the present invention includes a driving motor 200 for rotating a driving shaft 210, A gear member 400 that transmits the rotational force of the drive shaft 210 to the output shaft 300; a gear member 400 and an output shaft 300 that are disposed inside the output shaft 300; A gear box body 500 including an opened top surface UP and one opened side surface SP and a top cover 610 covering the open top surface UP and a top cover 610 extending from the top cover 610, And a gear box cover 600 including an extension cover 620 which covers the one side surface SP and to which the drive motor 200 is coupled.

The driving motor 200 generates a rotational force by rotating the driving shaft 210, and may be realized by an AC motor or a DC motor.

The variable member 810 includes a first deformable member 811 having one end coupled to one side edge of the display 800 and the other end movably coupled to a first movable member (not shown) And a second deformable member 821 coupled to the other side edge of the display 800 and having a second movable member (not shown in the figure) movably coupled to the other end thereof. The first output shaft 300 is inserted into a first screw hole (not shown in the drawing) of the first shifting member (not shown in the figure) and rotated to move the first shifting member (Not shown in the drawing) of the second moving member (not shown in the drawing) is inserted into the second moving member (not shown in the figure) A second screw member (not shown in the drawing) for moving the first screw member (not shown).

The distance between the first shifting member (not shown in the figure) and the second shifting member (not shown in the figure) changes with the rotation of the output shaft 300 by the deformable member 810, The shape of the display 800 is deformed.

The gear member 400 includes a driving gear 410 coupled to the driving shaft 210 of the driving motor 200, an output gear 420 coupled to the output shaft 300, And a connecting gear 430 for transmitting the driving force to the driving motor 420.

The driving gear 410 may be implemented as a worm gear in which the driving shaft 210 of the driving motor 200 is fitted.

The output gear 420 may be implemented as a spur gear to which the output shaft 300 is fitted.

The connecting gear 430 may include a first connecting gear 431 and a second connecting gear 434. The first connection gear 431 includes a first upper gear 432 embodied as a warm wheel gear meshing with the driving gear 410 and a second lower gear 432 integrally coupled to the first upper gear 432, And a gear 433. The second connection gear 434 is a spur gear and includes a second upper gear 435 meshing with the first lower gear 433 and a second gear 435 integrally coupled to the second upper gear 435, And a second lower gear 436 which meshes with the first lower gear 432.

Here, the radius or the number of the first upper gears 432 is larger or larger than the radius or the number of the first lower gears 433, and the radius or the number of the second upper gears 435 is larger than the radius of the second lower gears 436, or more or more than that.

The rotational force generated by the drive shaft 210 of the drive motor 200 is transmitted to the output gear 420 by the gear member 400. At this time, the rotational speed decreases and the torque increases.

The first connection gear 431 is rotatably coupled to a first connection gear drive shaft 437 having one end coupled to the gearbox body 500 and the other end coupled to the gearbox cover 600, The connecting gear 434 is rotatably coupled to a second connecting gear drive shaft 438 having one end coupled to the gearbox body 500 and the other end coupled to the gearbox cover 600. The first connection gear washers W1 and W2 can be fitted to both ends of the first connection gear drive shaft 437. [ Therefore, the pressure applied to the upper and lower portions of the first connecting gear 431 is dispersed by the gearbox body 500 and the gearbox cover 600.

The output shaft 300 passes through the gearbox body 500 and both ends are exposed to the outside of the gearbox body 500 and the gearbox cover 600. An output gear positioning unit 310 for determining the position of the output gear 420 coupled to the output shaft 300 is formed at an intermediate portion of the output shaft 300, 420 may be forcibly inserted and coupled to the output gear coupling portion 320. The diameter D1 of the output gear coupling portion 320 is smaller than the diameter D2 of the output gear positioning portion 310 and the output gear coupling portion 320 of the output shaft 300 and the output gear positioning portion 310 The diameter D3 may be larger than the diameter D3. Therefore, when the output gear 420 is coupled to the output gear engaging portion 320 by press fitting, the output gear 420 can be easily moved to the output gear engaging portion 320.

Output shaft holes 510 and 610 are formed in the gear box body 500 and the gear box cover 600 respectively and the output shaft holes 510 and 610 in which the output shaft 300 is inserted Can be seated in the bearing seats 520, 620 formed. Therefore, the output shaft 300 can be smoothly rotated with less friction.

The gear box body 500 is provided with a space in which the intermediate portion of the output shaft 300, the gear member 400 and the drive shaft 210 of the drive motor 200 are disposed.

As shown in FIG. 6, a drive shaft hole 630 through which the drive shaft 210 of the drive motor 200 passes may be formed in the extension cover 620. The fastening member through hole 630 through which the fastening member 700 coupled to the fastening groove 220 of the driving motor 200 passes may be formed in the extension cover 620. [ When the driving motor 200 passes the driving shaft hole 610 and the driving motor 200 and the extension cover 620 are in contact with each other, the coupling member 700 is inserted into the coupling member through hole 630 And is engaged with the coupling groove 220, the extension cover 620 and the driving motor 200 are engaged.

As shown in FIG. 7, first and second reinforcing portions 621 and 622 (see FIG. 7) extending toward both sides of the top cover 610 and connected to both sides of the top cover 610 are formed on both sides of the extension cover 620, May be provided. Therefore, the extension cover 620 and the top cover 610 can be firmly coupled. Further, the first and second reinforcing portions 621 and 622 function as grippers for the operator to grip the gear box cover 600, so that the operator can easily handle the gear box cover 600 using the extension cover 620 I will.

The gearbox body 500 and the gearbox cover 600 can be fastened by bolts Bt.

Hereinafter, an assembling process of a variable driving apparatus for a variable display according to an embodiment of the present invention will be described with reference to the drawings.

FIG. 8 is a view for explaining a process of assembling the gear box cover and the driving motor according to the embodiment of the present invention. FIG. 9 is a view for explaining the assembling process of the gear box body and the gear box cover according to the embodiment of the present invention Fig.

8, the extension cover 620 of the gear box cover 600 is first brought into close contact with the surface of the drive motor 200 on which the drive shaft 210 protrudes. Then, the fastening member 700 is inserted into the fastening groove 220 formed in the driving motor 200 through the fastening member through-hole 630.

At this time, the fastening member 700 enters the fastening groove 220 without any interference, and the fastening member tool for rotating the fastening member 700 is not subjected to any interference. Therefore, the operator can easily handle the fastening member 700 and the fastening member tool. Here, the fastening member tool for rotating the fastening member 700 may be a driver.

9, parts such as the gear member 400, the output shaft 300, and the like are disposed in the gearbox body 500, and then the open portion of the gearbox body 500 is connected to the gear box body 500. [ The cover 600 is covered. Then, the gear box body 500 and the gearbox cover 600 are engaged with the bolts Bt.

The operator can easily handle the fastening member 700 and the fastening member tool so that the gearbox body 500, the gearbox cover 600 and the drive motor 200 can be easily combined .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be varied and varied without departing from the scope of the invention.

100: Variable drive for variable display
200: drive motor
300: Output shaft
400: gear member
500: Gear box body
600: gear box cover
700: fastening member
800: Display

Claims (5)

A drive motor for rotating the drive shaft;
An output shaft for driving a deformable member deforming the display;
A gear member for transmitting the rotational force of the drive shaft to the output shaft;
A gear box main body including an upper surface and an opened side surface, the gear member and the output shaft being disposed inside; And
And a gear box cover including a top cover covering the opened upper surface and an extension cover extending from the top cover to cover the opened one side surface and to which the driving motor is coupled. The method according to claim 1,
Further comprising: a driving gear coupled to the driving shaft; an output gear coupled to the output shaft; and a connecting gear transmitting the rotational force of the driving gear to the output gear,
An output gear positioning portion for determining a position of the output gear coupled to the output shaft is formed on the output shaft, an output gear coupling portion for coupling the output gear is provided,
Wherein the diameter of the output gear engagement portion is smaller than the diameter of the output gear positioning portion and larger than the diameter of the output gear engagement portion of the output shaft and the portion other than the output gear positioning portion. The method according to claim 1,
A fastening member through-hole formed in the extension cover;
A fastening groove formed in the driving motor; And
And a fastening member that passes through the fastening member through-hole and is coupled to the fastening groove. The method according to claim 1,
Wherein the fastening member is a bolt. The method according to claim 1,
Further comprising first and second reinforcing portions extending from both sides of the extension cover toward the opposite sides of the top cover and connected to both sides of the top cover, respectively.
KR1020150059728A 2015-04-28 2015-04-28 Bending driving device for bendable display KR20160128021A (en)

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KR1020150059728A KR20160128021A (en) 2015-04-28 2015-04-28 Bending driving device for bendable display

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Application Number Priority Date Filing Date Title
KR1020150059728A KR20160128021A (en) 2015-04-28 2015-04-28 Bending driving device for bendable display

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018097633A1 (en) * 2016-11-24 2018-05-31 황창순 Apparatus for adjusting bends using stabilizer bar, bendable electronic device comprising same, method for adjusting bending of electronic device
WO2021157881A1 (en) 2020-02-07 2021-08-12 주식회사 토비스 Device for varying shape of display panel, and curved display apparatus equipped with same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140147561A (en) 2013-06-20 2014-12-30 엘지전자 주식회사 Display apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140147561A (en) 2013-06-20 2014-12-30 엘지전자 주식회사 Display apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018097633A1 (en) * 2016-11-24 2018-05-31 황창순 Apparatus for adjusting bends using stabilizer bar, bendable electronic device comprising same, method for adjusting bending of electronic device
US11229127B2 (en) 2016-11-24 2022-01-18 Chang-soon Hwang Apparatus for adjusting bends using stabilizer bar, bendable electronic device comprising same, method for adjusting bending of electronic device
WO2021157881A1 (en) 2020-02-07 2021-08-12 주식회사 토비스 Device for varying shape of display panel, and curved display apparatus equipped with same

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