KR900004444B1 - Automatic rotation and tilt control device of image display device - Google Patents

Abstract

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Description

Automatic rotation and tilt control device of image display device

1 is a side view of an image display apparatus to which the present invention apparatus is applied.

2 and 3 are partially cutaway cross-sectional views and longitudinal cross-sectional views cut in a direction perpendicular to each other to show the configuration of the present invention.

4 is an enlarged cross-sectional view of a partially cut-out by expanding the main portion of FIG.

5 is a cross-sectional view taken along the line A-A of FIG.

6 and 7 are schematic plan views showing the operation of the apparatus of the present invention. FIG. 6 is a plan view showing a rotational operation, and FIG. 7 is a plan view showing a tilting operation.

* Explanation of symbols for main parts of the drawings

1: body 2: upper arm

2c: axis tube 3: rotating disc

3c: through hole 4: support plate

4a: bottom plate 6: bolt

7: support shaft 8: plastic washer

9: nut 10: motor for rotation

11: slope motor 17: large super gear

18: axis 23: central axis

24: center of rotation 25: rotational movement

26: rotation axis 27: rotation bending

33: large spur gear 34: shaft

35: rotating section 36: reciprocating section

39: rechargeable battery 40: rotating button

41: inclined button

The present invention relates to a rotation and inclination adjusting device of an image display device, and more particularly, to automatically rotate and incline an image display device by operating a gear and a link mechanism by a driving force of a rotation motor and an inclination motor. It relates to a rotation and tilt control device.

Conventionally, there is a known device that adjusts the viewing angle by rotating various image display apparatuses including a television receiver and a monitor, but there is a problem in that it is inconvenient to use because it is usually operated manually by a manpower.

The present invention has been devised to solve the conventional defects, and can be tilted to adjust the hemispherical convex portion of the upper teeth that the main body is fixed to the upper portion in the hemispherical concave portion of the rotating disc, while rotatably coupling the rotating disc to the pedestal. The rotational motor and the inclination motor, a gear reduction device for reducing the power of the motor, and a link mechanism interlocking with the gear reduction device are installed at the lower part of the rotating disc to rotate the main body by the driving force of the motor. When it is possible to adjust the inclination, the present invention will be described in detail with reference to FIGS. 1 to 7 of the accompanying drawings.

In the drawing, 1 is the main body of the video display device, 2 is the upper stand to which the main body 1 is fixed, and the upper stand 2 is mounted on the lower rotating disc 3 and the rotating disc 3 is a pedestal 4. Is coupled to

The upper table 2 has its hemispherical convex portion 2a mounted on the hemispherical concave portion 3a of the rotating disk 3 so as to move in the direction of the arrow shown, and the rotating disk 3 has its engaging frame. (3b) is inserted between the inner periphery frame of the backing plate (4) and the annular rotation guide plate (5) which is screwed on the lower side of the support plate (4) is rotatable, protrudes in the center of the upper table (2) and several ribs ( The support shaft 7 integrally formed with the bolt 6 is inserted into the support shaft 7c reinforced by 2b), and is fixed with the plastic washer 8 and the nut 9, and the support shaft 7 is lowered. It is inserted into the through hole 3c formed in the intermediate part of the rotating disk 3 of this.

The rotating motor 10 and the tilting motor 11 are fixed to the lower surface of the rotating disc 3 by a fixing member 12 fixed to the lower surface by a fixing screw, and adjacent to the rotating motor 10. The large spur gear 14 and the small spur gear 15 meshed with the worm 13 formed integrally with the worm 13 are fixed to the same shaft 16 and the second large spur gear 17 for the second deceleration. ) Is fixed to the shaft 18 so as to mesh with the small spur gear 15, and the upper end of the shaft 16 is inserted into the support shaft 3d formed on the lower surface of the rotating disc 3, and the shaft 16 Both balls 19 are supported by the compression springs 20 in the holes 16a formed at the upper end of the holes, and the balls 19 are inserted into the support grooves 3e formed in the inner surface of the support shaft 3d. It rotates without being separated from the support shaft 3d. The lower end of the shaft 16 is supported by a bracket 21 which is fixed to the boss formed on the rotating disc 3 with a fixing screw.

In addition, the upper part of the shaft 18 is supported by the support piece 22 fixed to the bracket 21, the middle part is supported by the bracket 21, and one end of the lower part of the shaft 18 is the bottom of the pedestal 4; The other end of the rotating center iron 24, whose one end is joined to the central axis 23 corresponding to the center of the entire radius of rotation fixed to the steel plate 4a, is joined, and the rotational movement axis 25 is below the shaft 18. Rotating bending bent one end of the rotational axis (25) and the other end of the rotation axis 25 is attached to the rotary shaft 26 eccentrically fixed to the central shaft 23 on the bottom plate 4a of the base (4) The other end of the (27) and the pin 28 are connected to each other.

A large spur gear 30 and a small spur gear 31 meshing with the worm 29 integrally formed on the motor shaft 11 'on the lower surface of the rotating disc 3 adjacent to the inclined motor 11. Is condensed on the same shaft 32, and the second large spur gear 33 for the second deceleration is fixed on the shaft 34 to engage the small spur gear 3l, and the lower end of the shaft 34 One end of the rotary section 35 is fixed integrally, one end of the reciprocating section 36 is adhered to the pin 37 at the other end of the rotary section 35, and the other end of the reciprocating section 36 has the support shaft. (7) It adheres to the lower end of the lower bolt 6, and is fixed by the pin 38.

Rotating button 40 and the tilting button 41 are installed on the lower surface of the rotating disc 3, such that the rechargeable battery 39 is fixed and the cable 42 drawn therefrom is exposed to the outside. The motor 10 and 11 are connected in series with the motor 10 and the inclination motor 11, respectively, and the motors 10 and 11 are driven to rotate and tilt automatically.

As described above, the effects of the present invention will be described.

When the user presses the rotary button 40 to adjust the rotation, the DC current from the rechargeable battery 39 is applied to the rotation motor 10 through the cable 42, so that the worm 13 and the large switch The spur gear 14 and the small spur gear 15 of the coaxial 16 rotate at the same speed, and the second large spur gear 17 meshed with the small spur gear 15 rotates, and the gear shaft Due to the rotation of the rotational motion axis 25 fixed thereto, the center of rotation 24 has a reciprocating rotational movement about the central axis 23 along the trajectory B as shown in FIG. 27 is a rotary disk (B) through a bracket (21) in which the gear shaft (18) is reciprocated along the trajectory C and the gear shaft (18) is axially rotated about a rotation shaft (26) slightly further from the central shaft (23). 3) and the main body 1 mounted thereon is rotated so that the video screen is rotated.

On the other hand, when the user adjusts the inclination, when the inclination button 41 is pressed, a current is applied to the inclination motor 11 so that the worm 29 integrally processed with the motor shaft 11 'is driven and a large spur The gear 30, the small spur gear 31 and the second large spur gear 33 rotate, and the rotating section 35 fixed to the lower end of the shaft 34 is circular along the rotation trajectory D as in the seventh degree. By reciprocating the reciprocating section 36 in the E direction while reciprocating the support shaft (7) and accordingly the support shaft (7) in the center as shown in the third way is guided to the through hole (3c) of the rotating disc (3) By moving to both ends of the through hole (3c) (virtual line shown) it is possible to adjust the tilt of the video screen.

The present invention is fixed to the bottom plate 4a of the base plate 4 is only the central axis 23 and the rotating shaft 26, so all the structures except the pedestal 4 and the rotation guide plate 5 during the rotation operation Rotating together, when inclined operation can be continuously operated by a separate device by inducing only the relative movement of the upper table (2) relative to the rotating disc (3) can be operated at the same time rotation and tilt adjustment.

As described above, the present invention can achieve smooth, simplified and miniaturized power supply by using a rechargeable battery and a small DC motor. Particularly, since the rotating and reciprocating link mechanisms are used, the power can be transmitted reliably. It is easy to use because it can be adjusted smoothly by stepless angle.

In addition, according to the embodiment of the present invention, when the rotation button and the tilt button are used as a remote control receiving method, there is an advantage in that a large video screen installed at a long distance such as a stock exchange can be freely switched at a desired angle by a customer. .

Claims (3)

In the rotation and inclination adjusting device of the image display device, the image screen is tilted by reciprocating the reciprocating section 36 and the support shaft 7 connected thereto by the rotation of the rotary section 35 connected to the gear reduction mechanism, Automatic rotation of the image display device, characterized in that it is configured to rotate the centric center of rotation 24 and the rotation of the bending bending 27 by the rotation of the rotation drive 25 connected to the gear reduction mechanism to rotate the image screen. And tilt adjusting device. The image display apparatus according to claim 1, further comprising a DC motor (10) (11) for rotating and tilting operation and a rechargeable battery for applying a current to the DC motor (10) (11). Auto rotation and tilt control device. The rotating disc 3, which is rotatably coupled to the pedestal 4, and the upper stand 2, which is tiltably adjustable on the rotary disc 3, and whose main body 1 is fixed thereon, The support shaft 7, which is provided and fixed to the support shaft 2c of the upper table 2, is inserted into the through hole 3c of the rotation disc 3 to reduce and transmit the power of the inclination motor 11. The rotating shaft 35 is fixed to the shaft 34 of the small spur gear 31 of the gear reduction device so that the rotating shaft 35 is rotated together and the bolt 6 formed integrally with the rotating shaft 35 and the supporting shaft 7 is reciprocated. One end of the rotation center section 24 is connected to the shaft 18 of the large spur gear 17 of the gear reduction device which is connected to the section 36 and decelerates and transmits the power of the rotation motor 10, One end of the rotary bend 25 is fixed to the lower end of the shaft 18, and one end of the rotary bent 27 is fixed to the other end thereof, and the rotary disc 37 is provided on the supporting plate 4a of the pedestal 4. ) The center axis 23 corresponding to the rotation center of the rotation axis and the rotation axis 26 is eccentrically fixed thereto so that the other end of the rotation center 24 and the rotation bending bending 27 on the central axis 23 and the rotation axis 26 And a plastic washer 8 is interposed between the support shaft 7 and a lower hole of the support shaft 7, and is fastened to the bolt 6 by a nut 9. Device.

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