KR20040021740A - Swivel structure of display set - Google Patents

Abstract

PURPOSE: A structure for a rotational supporter of an image display device is provided to facilitate an assembly process and increase productivity by making the structure of the rotational supporter simple, and to smoothly operate the rotational supporter when a user rotates a display part. CONSTITUTION: The supporter(130) comprises a vertical part(131) for installing the display part(140) and a horizontal part(133) connected with one end of a shaft assembly(120) by connecting to the vertical part. Connection holes(131a) for fixing the display part by using a connector are installed to the vertical part. At a bottom of the vertical part, one end of the shaft assembly is connected by using the connector. Another end of the shaft assembly is connected to a base(110). Thus, the supporter and the base are supported in a rotational state.

Description

Swivel structure of display set}

The present invention relates to a rotation support structure of an image display device, and more particularly, in configuring a rotation support for rotating and supporting a display unit of an image display device, by using an axial assembly composed of a combination of press structures. The present invention relates to a rotation support structure of an image display device that allows a user to rotate the display unit of the image display device with a small force.

Recently, a liquid crystal display (LCD) is widely used as a flat image display device for displaying desired image information. Compared to the conventional cathode ray tube (CRT) image display device, it is a low power consumption type and can be operated at low voltage.It is mainly used as a monitor device for computers such as notebook PCs due to the advantages of thinning and light weight manufacturing. In addition, as the display screen becomes larger in size, such an image display device is gradually expanding its application range up to a wall-mounted TV.

In general, the image display device of the thinning trend as described above is a fixed plate is installed at the bottom, the rotating plate rotated in the upper portion of the fixed plate is connected to the display unit is installed so that the user can arbitrarily adjust the angle of the display unit to the left and right. .

1 is an exploded perspective view showing a structure of a rotation support of a conventional video display device. As shown in the figure, the rotation support structure of the conventional image display device is fastened to the stand chassis 3 and the rotary hinge 5 using the fastening means 6, the rotary hinge 5 is fastened as described above The stand chassis 3 is fastened to the fixed plate 1, and the front chassis 7 and the rear cover 8 are coupled to each other so that the stand chassis 3 and the rotary hinge 5 are covered.

However, the rotating structure according to the prior art as described above is complicated in the assembly process, the rotation is not smooth, or the rotation is too easy to operate, so that the device may collide with a wall or a peripheral device. do.

In addition, it is actually very difficult to support or rotate a large inch image display device using this rotating support structure.

Therefore, a rotation support structure has been proposed to be applied to a large-inch image display device as described below to control precise rotation.

Figure 2 is a plan view showing a rotating support structure using a conventional gear box.

As shown in the figure, the conventional rotation support structure using the gearbox 30 has a base bracket 10 to be fixed to the bottom, and a rotation bracket 20 mounted on the base bracket 10 to be rotated. And, it is composed of a gearbox 30 for driving the rotary bracket 20.

The base bracket 10 is formed in a substantially circular shape. And the circular rail groove 11 is formed in the upper part. The rail groove 11 is provided with a circular rotating bracket 20.

The rotating bracket 20 forms a band of a predetermined thickness. In the strip, a plurality of rollers 21 are formed along the circumference. In addition, an inner gear 25 is formed on the inner surface of the strip to be in agreement with the drive gear 31 of the gear box 30.

In addition, the gearbox 30 includes a motor (not shown), a reduction device (not shown), and a sensor unit (not shown) configured to drive when power is applied.

Referring to the operation process by the rotation support structure using a conventional gearbox 30 made as described above are as follows.

First, when a user applies a signal to the gearbox 30 using an adjusting means such as a remote control while the power is applied, the gearbox 30 is operated to rotate the drive gear, and the drive gear and the inner surface The gear 25 is driven to rotate the rotating bracket 20 is engaged. The rotating bracket 20 rotates along the rail groove 11 of the base bracket 10.

At this time, the upper surface of the rotating bracket 20 to be mounted on the rotating plate (not shown) for supporting a display unit (not shown), which can be coupled by the connecting member 23 formed in the circumference of the rotating bracket 20 It is done.

Rotation support structure according to the configuration as described above has a structure suitable for supporting and rotating the image display device weighing a lot of large inches.

However, following the rotating support structure has the disadvantage of being advantageous for a large size but expensive, and also, due to the complicated structure of the rotating support takes a lot of time in the assembly process, resulting in poor productivity. . And, there is a problem that noise occurs by using a motor.

The present invention has been proposed to solve the above problems, and an object of the present invention is to provide a rotating support structure of an image display device to simplify the assembly of the rotating support structure, thereby improving productivity. have.

In addition, it is an object of the present invention to provide a rotation support structure of an image display device that can be operated smoothly as the user intends when the user rotates the display unit by applying a proper force.

In addition, it is an object of the present invention to provide a rotation support structure of a video display device that can be used in large inches regardless of the size of the video display device.

1 is an exploded perspective view showing a structure of a rotation support of a conventional image display device.

Figure 2 is a plan view showing a rotating support structure using a conventional gearbox.

Figure 3 is a perspective view showing the structure of the rotating support of the image display device according to the present invention.

4 is a front view showing the structure of the rotation support of the image display device according to the present invention.

5 is a perspective view of the shaft assembly according to the present invention.

6 is an exploded perspective view of the shaft assembly according to the present invention.

7 is an enlarged view of a portion “A” of FIG. 4.

8 is an enlarged view showing an operating state of the rotating unit according to the present invention.

* Description of the symbols for the main parts of the drawings *

10: Base Bracket 11: Rail Groove

20: rotating bracket 21: roller

23: connecting member 25: inner gear

30: gearbox 31: drive gear

110: base 120: shaft assembly

121: bracket 123: shaft

125: holder 127: rotating part

129: fixture 130: supporter

131: vertical portion 133: horizontal portion

140: display unit

Rotation support structure of the video display device according to the present invention for achieving the above object is a display unit to visually deliver the image information to the user, and a rotation support structure to allow the display unit to rotate in the desired direction In the video display device consisting of,

A supporter for coupling the rear surface of the display unit; A base configured to support the weight of the display unit coupled to the supporter on the floor; It characterized in that it comprises a shaft coupling for the base and the supporter to be coupled shaft.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

3 is a perspective view showing the structure of the rotating support of the image display device according to the present invention. As shown in the figure, the rotating support structure of the image display device according to the present invention includes a display unit 140 configured to visually transmit image information to a user, and supports the display unit 140 to support the display unit ( 130 is configured. Then, the base 110 for mounting the supporter 130 is configured.

At this time, the base 110 and the supporter 130 is to be coupled to the shaft rotatable by the shaft assembly (120). A more detailed configuration thereof will be described with reference to the accompanying drawings.

4 is a front view showing the structure of the rotating support of the image display device according to the present invention. As shown in the figure, the supporter 130 has a vertical portion 131 for mounting the display unit 140, and one end of the shaft coupling body 120 is coupled to a lower side connected to the vertical portion 131. Horizontal portion 133 is integrally configured. In addition, a plurality of fastening holes 131a are formed in the vertical portion 131 to fix the display unit 140 using the fastening means 6.

One end of the shaft coupling body 120 is coupled by using a separate fastening means 6 at the bottom of the horizontal portion 133 of the supporter 130 having the above configuration. And, the other end of the shaft assembly 120 to be fastened to the base 110. As a result, the supporter 130 and the base 110 are supported in a rotatable state.

Hereinafter, the configuration of the shaft assembly 120 will be described in more detail with reference to the accompanying drawings.

5 is a perspective view of the shaft assembly according to the present invention, Figure 6 is an exploded perspective view of the shaft assembly according to the present invention.

As shown in the figure, the shaft assembly 120 includes a bracket 121 fastened to the base 110, a shaft 123 inserted into the central hole 121c of the bracket 121, and the shaft. (123) A plate 127a on a holder 125 that is fitted to the upper shaft 123a and is fastened to the horizontal portion 133 of the supporter 130, and an upper shaft 123a of the shaft 123 into which the holder 125 is fitted. ) And the rotating washer 127 to be stacked lattice washer (127b).

The configuration of the bracket 121 constitutes a lower fixing plate 121a that forms a plurality of fastening holes 121b, and constitutes a central hole 121c that protrudes a predetermined height above the lower fixing plate 121a. Fixing protrusions 121d are formed at left and right ends of the central hole 121c.

The shaft 123 has an upper shaft 123a formed on the upper portion of the cylindrical body inserted into the central hole 121c of the bracket 121, and a lower shaft 123c having a screw portion 123d formed on the lower portion of the body. This is made up.

At this time, a punching groove 123b is formed at the end of the upper shaft 123a. The lower shaft 123c penetrates through the center hole 121c of the bracket 121 and penetrates the base 110, and the screw 123d is coupled by a separate fixture 129.

The holder 125 has a through hole 125a formed at the center thereof so that the holder 125 can be fitted to the upper shaft 123a of the shaft 123, and a plurality of fastening holes 125b around the through hole 125a. In addition, the fixing hole 125c and the center protrusion 125d are formed to correspond to the fixing protrusion 121d of the bracket 121. Here, the center protrusion 125d serves to hold the exact fastening position of the holder 125.

In addition, the configuration of the rotating part 127, as shown in Figure 6 so that the lattice washer 127b is arranged between the plurality of plates (127a) and the plate 127a in order to the shaft 123, the upper shaft (123a) It is laminated | stacked on. In addition, the grating washer 127b has a contact surface formed to be corrugated.

At this time, the through hole is formed in the plate 127a and the lattice washer 127b as shown in the drawing, but there is a difference in the shape thereof.

That is, the through hole formed in the plate 127a is formed with a cut face coincident with the upper shaft 123a to be fixed on the upper shaft 123a, and the through hole formed in the lattice washer 127b is a completely circular shape. Rotate freely on the minor axis (123a).

In addition, the reason why the lattice washer 127b is used as described above is that the ground area is smaller than that of the flat washer, which is advantageous for the rotating structure and also serves as a spring when a constant pressure is applied.

When the grid washers 127b as described above are used in parallel, the effect of smoothing the rotation becomes greater. In the present invention, the two grid washers 127b are arranged between the three plates 127a. It is preferable.

The assembly process and operation of the rotating support structure of the image display device according to the present invention having the above configuration will be described with reference to the accompanying drawings.

Figure 7 is an enlarged view "A" part of Figure 4, Figure 8 is an enlarged view showing the operating state of the rotating unit according to the present invention.

As shown in the figure, first, the bracket 121 is fastened by a separate fastening means on the base 110.

At this time, a plurality of fastening holes 121b are formed on the lower fixing plate 121a of the bracket 121, and the bracket 121 is fastened to the base 110 by a separate fastening means through the fastening holes 121b. Be sure to

Then, on the upper shaft 123a of the shaft 123 to be inserted into the central hole 121c of the bracket 121, the plate 127a, the holder 125, the plate 127a and the lattice washer. The rotating parts 127 made of 127b are sequentially stacked.

Then, the punching groove 123b formed at the end of the upper shaft 123a of the shaft 123 is priced by using a punch or the like to prevent the rotating part 127 from being separated from the shaft 123.

As described above, when the punching groove 123b is hit by using a punch or the like, the periphery of the end punching groove 123b of the upper shaft 123a is extended and the movement of the last plate 127a constituting the rotating part 127 is performed. It is to intermittently prevent the separation of the rotating part 127 from the shaft 123.

After the assembly of the holder 125 and the rotating part 127 to the upper shaft 123a of the shaft 123 as described above, a separate through the plurality of fastening holes (125b) formed in the periphery of the holder 125 It is to be fastened to the bottom of the horizontal portion 133 of the supporter 130 by using the fastening means of the.

At this time, the rotating part 127 provided on the shaft 123 passes through the through hole 133a formed in the center of the horizontal part 133.

Subsequently, a display unit (not shown) is mounted on a vertical portion (not shown) of the supporter 130, and a holder 125 directly coupled to the horizontal portion 133 is disposed on the upper shaft 123a of the shaft 123. The organic rotational movement with the rotating unit 127 is installed.

Then, the lower portion of the shaft 123, which forms the fastening structure with the supporter 130 as described above, is fixed to the base 110. To this end, the lower end of the shaft 123 is the center of the bracket 121. To be inserted into the hole 121c.

At this time, the lower shaft 123c of the shaft 123 inserted into the central hole 121c of the bracket 121 passes through the lower fixing plate 121a and the base 110 of the bracket 121.

A screw portion is formed at the end of the lower shaft 123c, and when the fixture 129 is fastened to the screw portion 123d, the rotation support structure of the image display device according to the present invention is completed.

After the rotation support structure according to the present invention as described above, the display unit 140 is mounted on the vertical portion 131 of the supporter 130 as shown in FIG. 4.

In this case, a plurality of fastening holes 131a are formed on the circumferential surface of the vertical part 131, and the display unit 140 is fastened by a separate fastening means through the fastening holes 131a.

When the display unit 140 is rotated, the holder 125 coupled to the supporter 130 rotates as shown in FIG. 8, and is inserted into the fixing hole 125c of the holder 125. As the fixing protrusion 121d is separated, the supporter 130 is lifted upward.

This, the pressure is applied to the lattice washer 127b of the rotating part 127, the wrinkled surface of the lattice washer 127b is unfolded, thereby allowing the fixing protrusion 121d to be separated from the fixing hole 125c. As a result, it is possible to rotate the supporter 130 on which the display unit is mounted.

In configuring the rotating part 127 as described above, by laminating a plurality of lattice washers (127b), to maintain the elastic structure by the spring action, the rotating support is not easily rotated, so that the rotation state can be properly maintained do.

When the user tries to rotate the display unit 140 by applying an appropriate pressure, since the grid washer 127b has a contact structure, frictional resistance is reduced during rotation, and rotation is smoothly applied when an appropriate force is applied.

At this time, it is most preferable that the amount of pressure applied to allow the display unit 140 to be rotated is 1 kg / f.

The present invention provides an effect of simplifying the assembly structure and the process by providing a rotating support structure of the image display device using the shaft assembly, thereby reducing the labor costs and material costs.

In addition, the user can easily rotate the display unit even with a small force and have a dual effect such that an appropriate pressure can be applied to maintain the rotation state.

In addition, the rotating support structure according to the present invention is applicable to a large-inch product has the effect of increasing the commerciality and competitiveness.

Claims (5)

In the image display device comprising a display unit and a rotating support structure for rotating the display unit in a user desired direction, A supporter for coupling the rear surface of the display unit; A base configured to support the weight of the display unit coupled to the supporter on the floor; Rotating structure of a video display device comprising a shaft coupling for the base and the supporter to be coupled shaft. The method of claim 1, The supporter, A vertical portion in which a plurality of fastening holes are formed to mount the display portion; Rotating structure of a video display device, characterized in that the lower side connected to the vertical portion is composed of a horizontal portion integrally coupled to one end of the shaft assembly. The method of claim 1, The shaft assembly is, A bracket fastened to the base; A shaft inserted into the central hole of the bracket; A holder fitted to the shaft upper shaft and fastened to the horizontal part of the supporter; And a rotating part formed by alternately stacking a plurality of plates and lattice washers on the shaft upper shaft into which the holder is fitted. The method of claim 3, The bracket, A lower fixing plate forming a plurality of fastening holes; A central hole protruding a predetermined height from an upper portion of the lower fixing plate; Rotating structure of a video display device, characterized in that consisting of the fixing projections formed on the left and right ends of the central hole. The method of claim 3, The rotating part, A rotating support structure of an image display device, characterized in that two grid washers are arranged between three plates.