KR20060019352A - Hinge assembly for display unit - Google Patents

Abstract

The present invention is provided with a support on the display device, it is possible to maintain the folded state in the support body.

To this end, the present invention and the main body forming the appearance; A support for supporting the main body; The support is located between the main body and the support so as to be rotatably connected to the main body and a pair of brackets, a shaft penetrating the bracket to form a hinge axis, a coil spring located between the brackets and the shaft through the shaft, the A washer located between the brackets and axially passing through the shaft, coupled to rotate together with the shaft, a movable cam having a pressing protrusion formed in a longitudinal direction at one side thereof, coupled to rotate together with the support, and rotating relative to the movable cam; A display device having a hinge assembly including a fixed cam having a cam surface formed at a portion corresponding to the pressing protrusion to press the coil spring when the coil spring is pressed, wherein the pressing protrusion is locked to the cam surface of the fixed cam when the support is folded. Display, characterized in that the locking groove having a locking) Provides hinge assembly for the ray device.

Display device, locking groove

Description

Hinge assembly for display unit

1 is a side view schematically showing an example of a conventional display device

Figure 2a is a side view schematically showing a display device according to an embodiment of the present invention

2b is a rear view schematically showing a display device according to an embodiment of the present invention;

Figure 3 is an exploded perspective view showing an "A" part is provided with a hinge assembly in Figure 2b

4 is a view showing the fixed cam viewed in the "X" direction in FIG.

5 is a view showing the guide portion and the fixed cam viewed in the "Y" direction in FIG.

Figure 6 is a perspective view of the assembled hinge assembly according to an embodiment of the present invention

7 is a side view showing the hinge assembly operating on the cam surface according to an embodiment of the present invention.

Figure 8 is a side view showing the hinge assembly fixed to the locking groove according to an embodiment of the present invention

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

100.Body 210.Bracket                 

220 ... shaft 230 ... coil spring

240 ... washer 250 ... nut

261 ... Fixed Cam 261m ... Cam Surface

261n ... Locking Groove 263 ... Mobile Cam

263m ... Pressure protrusion 271 ... 1st case

272 ... 2nd case 300 ... support

310 ... Information

The present invention relates to a display device, and more particularly to a hinge assembly for a display device.

Referring to Figure 1, the conventional display device will be described.

First, a bracket 210 is provided at the rear of the display apparatus main body 100 for forming an appearance, and the bracket 210 performs a predetermined rotational movement during the tilting operation of the main body 100 and moves the main body 100. Support 300 is provided to support.

Although not shown, a hinge assembly is provided between the bracket 210 and the support 300 to allow the support 300 to rotate about a hinge axis.

The hinge assembly has a spring (not shown) and a washer (not shown), etc., so that the torque generated by the spring and the washer balances the weight of the main body 100 and the support 300 with the weight. If the inclination of the (100) at an angle, to keep the inclined state.

Such a configuration of the hinge assembly has already been known in the form of several known techniques, and also will be apparent to those skilled in the art, the illustration and description thereof will be omitted.

The display device provided with the support configured as described above adjusts the tilt of the main body 100 at a desired angle by using the support and the hinge assembly.

However, the above-described display device provided with the conventional support has the following problems.

First, in the case of a conventional display device, even when the support is rotated as close as possible to the main body about the hinge axis to be folded, when the external force is applied, the support can be rotated and unfolded again so that the work such as packaging and storage is performed. There was a problem of becoming uncomfortable.

Secondly, in the case of easy packaging work for the above reasons, the size of the packaging box should be relaxed, which leads to an increase in the packaging volume, and this increase in the packaging volume leads to a decrease in the quantity of charges, and eventually logistics costs. There was a problem that will cause an increase.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a hinge assembly for a display device that can maintain a state in which the support is folded in the main body.

In order to achieve the above object, the present invention and the main body forming the appearance; A support for supporting the main body; The support is located between the main body and the support so as to be rotatably connected to the main body and a pair of brackets, a shaft penetrating the bracket to form a hinge axis, a coil spring located between the brackets and the shaft through the shaft, the A washer located between the brackets and axially passing through the shaft, coupled to rotate together with the shaft, a movable cam having a pressing protrusion formed in a longitudinal direction at one side thereof, coupled to rotate together with the support, and rotating relative to the movable cam; A display device having a hinge assembly including a fixed cam having a cam surface formed at a portion corresponding to the pressing protrusion to press the coil spring when the coil spring is pressed, wherein the pressing protrusion is locked to the cam surface of the fixed cam when the support is folded. Display, characterized in that the locking groove having a locking) Provides hinge assembly for the ray device.

Here, the folded state means a state rotated about a hinge axis to be in close contact with the rear surface of the main body.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention that can specifically realize the above object will be described.

In the following description, the same components as in the related art will be described with the same names and the same reference numerals for convenience of description.

First, an embodiment of a hinge assembly for a display device according to the present invention will be described with reference to FIGS. 2A and 2B.

In the display device according to the embodiment of the present invention, as shown in FIG. 2A, the supporter 300 is rotatably supported at the back of the main body 100 and the rear surface of the main body 100 to support the main body. Connected.

"자 형으로 형성되며, 상기 본체의 후면에 양측대칭으로 회전가능하게 연결된다.In addition, the support, as shown in Figure 2b, is approximately "

"It is formed in the shape, and is rotatably connected in both sides symmetrical to the back of the body.

On the other hand, when the body 100 is inclined to the portion where the main body 100 and the support 300 is connected, the support 300 also rotates around the hinge axis and at the same time the contact portion of the bottom of the support 300 While moving to a predetermined position, a hinge assembly is provided for generating torque to balance the weight of the main body 100 and the support 300 with the force.

The structure of such a hinge assembly is constructed as follows.

Referring to FIG. 3, a pair of brackets 210 are formed on the rear surface of the main body 100 in the vertical direction.

The shaft 220 penetrates the pair of brackets 210.

In addition, between the brackets 210, the movable cam 263, the fixed cam 261, the coil spring 230, and the washer 240 are sequentially installed through the shaft 220.

At this time, the movable cam 263 is fixed on the shaft 220 to form a structure that rotates with the shaft 220, a portion of the shaft 220 where the movable cam 263 is located in the cross-sectional square A structure is formed, and the movable cam 263 also has a rectangular through-hole 265 formed in the center of the center corresponding to a portion of the shaft 220 formed in the quadrangle.

In addition, the shaft 220 is also fastened to the bracket 210 so as to rotate together with the bracket 210. In FIG. 3, as an example, the head part 228 of the shaft 220 is a through hole of the bracket 210. 218 and its shape coincide with the illustrated structure is shown.

On the other hand, one side of the movable cam 263 toward the fixed cam 261 is formed with a pressing projection (263m) for pressing the fixed cam 261.

3 and 4, when the fixed cam 261 rotates relative to the movable cam 263 about the hinge axis, the pressing protrusion 263m contacts and slides. At the same time, a cam surface 261m for changing the direction of movement of the fixed cam 261 to move on the screw 220 is formed in the fixed cam 261.

The cam surface 261m has a spiral structure over a predetermined section along the surface of the fixed cam 261.

In this case, when the fixed cam 261 rotates in one direction, the pressing protrusion 263m of the movable cam 263 in contact with the cam surface 261m on one side of the fixed cam 261 slides along the cam surface 261m. Pressing in the other direction.

On the contrary, when the fixed cam 261 rotates in the other direction, the coil spring 230 provided on the other side of the fixed cam 261 presses the fixed cam 261 in one direction.

Made as described above, the fixed cam 261 is moved relative to the movable cam 263 and along the screw 220 at the same time.

In addition, the locking cam 261 is fitted with a pressing protrusion 263m, so that the locking groove 261n is formed so that the pressing protrusion 263m can be kept in a state unless a predetermined external force is applied.

In this case, the structure and position of the cam surface 261m and the locking groove 261n are formed in consideration of the rotation direction, the rotation angle and the folding position of the support 300, and the elastic modulus of the coil spring 230. .

Meanwhile, referring to FIGS. 3 and 5, a portion of the support 300 is formed of a flat portion 358, and the guide portion 310 has a structure surrounding the outside of the fixed cam 261 as a whole. It is provided.

In addition, the fixed cam 261 is also installed in the surface contact method on the flat portion 358 made in a section of the guide portion 310, the fixed cam 261 when the guide portion 310 is rotated about the hinge axis ) Is also provided with a flat portion 258 to rotate.

At this time, it is preferable that the support bracket 301 is formed on the support 300, and the guide part 310 is formed on the support bracket 301.

On the other hand, the upper case 271 and the lower case 272 is provided to cover the main configuration constituting the hinge assembly.

The upper case 271 and the lower case 272 are screwed through the support 300 and the screw holes (271a, 272a, 300a), the lower case 272, the guide portion 310 of the support 300 The mounting groove 275 is formed to be seated.

Referring to the operation of the embodiment according to the present invention described above are as follows.

As shown in FIG. 3, since the flat part 358 of the guide part 310 is installed in surface contact with the flat part 258 of the fixed cam 261, the support 300 and the guide part 310 are provided. ), And, the fixed cam 261 forms a structure that all rotate together.

On the other hand, since the shaft 220 is fixed to the bracket 210 connected to the main body 100 and the movable cam 263 is configured to rotate like the shaft 220, the main body 100 and the bracket 210. The shaft 220 and the movable cam 263 also rotate together.

In this case, in the state where the main body 100 is fixed, that is, when the support 300 is rotated relative to the main body 100 with the main body 100 intact, the main body 100 is fixed according to the rotation operation of the support 300. The cam 261 is made to rotate relative to the main body 100 and the movable cam 263.

Since the pressurizing protrusion 263m of the movable cam 263 is in contact with the cam surface 261m formed on the fixed cam 261, the pressurizing cam 261 rotates relative to the movable cam 263. The projection 263m slides along the cam surface 261m and presses the fixed cam 261.

6 and 7, the fixed cam 261 is pressed by the pressing protrusion 263m so that the fixed cam 261 compresses the coil spring 380 and follows the screw 220. You will move.

As described above, when the pressing protrusion 263m slides the cam surface 261m, the support 300 is rotated between the positions of a and b in FIG. 2A.

On the other hand, as shown in Figure 8, when the pressing projection (263n) is fitted into the locking groove 261n, as shown in Figure 2b the support 300 is in the position of c, the support 300 This is the case where the main body 100 is folded and maintained in the state.

As such, when the pressing protrusion 263n is fitted into the locking groove 261n, the support 300 is folded into the main body 100 unless an external force is applied to the locking protrusion 261n so that the pressing protrusion 263n is pulled out of the locking groove 261n. Will remain intact.

So far, the present invention has been described with reference to its preferred embodiments, but one of ordinary skill in the art to which the present invention pertains may implement another embodiment of a modified form within the essential technical scope of the present invention. .

For example, in the above description, the pressing protrusion is formed on the movable cam, and the cam surface is formed on the fixed cam, and only the structure in which the fixed cam moves while being pressed by the pressing protrusion of the movable cam is illustrated and described. Forming a pressing protrusion in the, and forming a cam surface on the fixed cam may be to allow the fixed cam to move.

As described above, the present invention has the following effects.

First, according to the present invention, there is an advantage in that the state in which the support for supporting the display apparatus main body is folded to the main body can be continuously maintained.

Second, by maintaining the state in which the support is folded to the main body as described above, the packaging can be minimized by minimizing the volume of the display device, which is advantageous in increasing the amount of charge and reducing the logistics cost.

Claims (2)

A main body forming an appearance; A support for supporting the main body; The support is located between the main body and the support so as to be rotatably connected to the main body and a pair of brackets, a shaft penetrating the bracket to form a hinge axis, a coil spring located between the brackets and the shaft through the shaft, the A washer located between the brackets and axially passing through the shaft, coupled to rotate together with the shaft, a movable cam having a pressing protrusion formed in a longitudinal direction at one side thereof, coupled to rotate together with the support, and rotating relative to the movable cam; In the display device having a hinge assembly comprising a fixed cam formed with a cam surface corresponding to the pressing projection to press the coil spring at the time, The cam surface of the fixed cam is a hinge assembly for a display device, characterized in that the locking groove is provided with a locking groove for locking the pressing projection when the support is folded. The method of claim 1, The locking groove, The hinge assembly for a display device, characterized in that formed on the cam surface deepest in the longitudinal direction from the movable cam.

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