KR20100035540A - Apparatus for adjusting the screen angle of an attachable television - Google Patents

Abstract

PURPOSE: An apparatus for adjusting the screen angle of an attachable television is provided to simply separate or combine a rotation rod with or from a multi-stage groove unit, thereby easily and quickly adjusting the screen angle of the television. CONSTITUTION: A guide hole(247) is formed in a lock bracket. The guide hole guides up/down movement of the second rotation unit. The lock bracket has an input/output hole(246). A hinge section(214) of a hook bracket(210) is hinge-coupled with the input hole.

Description

Screen angle adjustment device of wall-mounted television {APPARATUS FOR ADJUSTING THE SCREEN ANGLE OF AN ATTACHABLE TELEVISION}

The present invention relates to an apparatus for adjusting the screen angle of a wall-mounted television, which enables to easily and quickly adjust the screen angle of a television and prevents damage to components when adjusting the screen angle.

Generally, televisions are categorized into cathode-ray tube (CRT) -type televisions having CRTs and liquid crystal display (LCD) or plasma display panel (PDP) televisions that are formed in a thin plate, and recently, LCD or PDP televisions are used in place. It is widely used because it can be easily installed without receiving and occupies less installation space.

In the case of a wall-mounted television installed on a wall, such as an LCD or a PDP television, various apparatuses for adjusting the screen angle have been developed, which will be described below with reference to the accompanying drawings.

1 is an exploded perspective view illustrating a screen angle adjusting device of a wall-mounted television according to the related art. As shown, the screen angle adjusting device 100 of the wall-mounted television according to the prior art is a patent application No. 2003-0089766 filed by the present applicant to the Korean Intellectual Property Office, which is bent at an angle extending backward from the upper end to the rear. Hook bracket 110 having a hook bracket 110 having a coupling portion 112 extending perpendicularly back from the bent portion downward and a hinge portion 114 extending bending perpendicularly from the lower end toward the rear side, and the hook bracket 110 coupled thereto. One or more engaging guide bar 120 and the guide hole of the engaging guide bar 120, the upper end is fitted and fixed to the portion 112, the guide hole 122 is formed long along the longitudinal direction of both sides of the lower end; At least one connecting link 130 is hinged rotatably at one end by the first rotating rod 132, and the other end of the connecting link 130 is hinged rotatably by the second rotating rod 142 At least one lock bracket 140 is formed in the upper end is formed in the upper end, the lower end has a hinge hole 114 of the hinge portion 114 of the hook bracket 110 is rotatably hinged; The lock bracket 140 includes a base plate 150 vertically arranged to the surface.

As described above, the screen angle adjusting device of the wall-mounted television according to the prior art should change the position of the second pivoting rod to the desired groove of the multi-stage groove by rotating the television back and forth and moving up and down when adjusting the screen angle. This operation is not only cumbersome but difficult, and when the television is heavy, it has a problem of causing damage to the multi-stage groove and the second pivoting rod when the position of the second pivoting rod is changed.

The present invention has been made to solve the above problems, it is possible to easily and quickly adjust the screen angle of the television, and to prevent damage to the components when adjusting the screen angle.

An apparatus for adjusting the screen angle of a wall-mounted television according to the present invention is a device for adjusting the screen angle of a wall-mounted television, the portion being bent toward the rear from the top has a coupling portion that is bent downward again and the hinge portion bent toward the rear from the bottom. One or more engaging guide bars having a hook bracket, an upper end fitted to the engaging portion of the hook bracket, and having a guide hole formed in a length direction on both sides thereof, and once by a first rotating rod in the guide hole of the engaging guide bar. One or two or more connecting links to be hinged, a locking piece having a multi-stage groove formed at which the other end of the connecting link is hinged by the second pivoting rod, and a locking piece to rotate so that the multi-stage groove can be separated from the second pivoting rod. Capable of being coupled, a guide hole for guiding the vertical movement of the second pivoting rod is formed, and hook hook It comprises one or two or more lock bracket portion of the hinge socket having a ball and out to be hinged.

The present invention allows the multi-stage groove portion to which the rotating rod is hinged to be easily separated and combined from the rotating rod as necessary to easily and quickly adjust the screen angle of the television, and to damage the rotating rod and the multi-stage groove portion when adjusting the screen angle. It has the effect of improving the durability by preventing.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

Figure 2 is an exploded perspective view showing a screen angle control device of the wall-mounted television according to the present invention, Figure 3 is a perspective view showing a locking piece and a lock bracket of the screen angle control device of the wall-mounted television according to the present invention, Figure 4 Figure is a side view showing a screen angle adjusting device of the wall-mounted television according to the present invention. As shown, the screen angle adjustment device 200 of the wall-mounted television according to the present invention is hook bracket 210, coupling guide bar 220, connecting link 230, locking piece 248 and lock bracket 240 It includes, the coupling guide bar 220, the connection link 230, the engaging piece 248 and the lock bracket 240 may be provided with one or two or more.

Hook bracket 210 is bent at right angles extending rearward from the top and at the same time extends perpendicularly from the bent portion again, the engaging portion 212 protrudes downward from the bottom and protrudes at right angles backward from the bottom and the ends of the bent portion are semicircular. Has one or more hinge portions 214 that are bent.

The hook bracket 210 is coupled to the back of the television 310 by fastening means such as bolts.

The coupling guide bar 220 is fixed to the upper end is fitted to the coupling portion 212 of the hook bracket 210, the guide hole 222 is formed through both sides in the longitudinal direction, that is, the vertical direction.

The connecting link 230 is formed such that one or more first protrusions 234 face each other from one end to the front, and a first pivot hole 234a is formed through the first protrusion 234.

The first protrusion 234 has the first pivoting rod 232 through the guide hole 222 of the first pivoting hole 234a and the coupling guide bar 220 in a state in which the coupling guide bar 220 is in contact with both sides; By being fitted, one end of the connecting link 230 is hinged by the first pivoting rod 232 at the guide hole 222 of the coupling guide bar 220.

The connecting link 230 has a second protrusion 236 formed from the other end to the rear, and a second pivot hole 236a is formed through the second protrusion 236.

The engaging piece 248 is formed with a multi-stage groove 244 in which the other end of the connection link 230 is hinged by the second pivoting rod 242.

The lock bracket 240 is rotatably coupled to the locking piece 248 so that the multi-stage groove 244 can be separated from the second pivoting bar 242, and the second pivoting bar 242 on both sides of the locking piece 248. Guide hole 247 is formed to guide the vertical movement of the upper and lower sides.

The locking piece 248 is hinged to the lock bracket 240 by the lower end of the hinge shaft 248a so that the multi-stage groove 244 may rotate forward from the second pivoting rod 242 to be separated, and the second Rotating rod 242 has a multi-stage groove 244 is formed in a step shape from the top to the bottom of the multi-stage groove that is caught by different positions.

The locking piece 248 rotates backward around the hinge shaft 248a by the elastic force of the elastic member 249 when rotating forward about the hinge shaft 248a, thereby forming a multi-stage groove (2) in the second pivoting rod 242. 244 returns to hinge engagement and a knob 248b is formed at the top to facilitate rotation forward.

The elastic member 249 is preferably a tension spring that is fixed at both ends to the engaging piece 248 and the base plate 250 to be described later.

The guide hole 247 is formed to be perpendicular to both sides of the bracket 240 is located on both sides of the multi-stage groove 244 of the engaging piece 248, the second pivot rod 242 is inserted into the guide to move up and down the second time Even though the bar 242 is caught by the multi-stage groove 244 of the fastening piece 248, the second rotating bar ( 242, thereby allowing the television 310 to maintain a stable screen angle.

The lock bracket 240 has a second pivoting hole 236a and a guide hole 247 of the second projection 236 and a locking piece in a state where the second projection 236 of the connection link 230 is in close contact with both sides. The second pivoting rod 242 is inserted through the multi-stage groove 244 of 248 to be selectively caught in any one of the grooves of the multi-stage groove 244 so that the other end of the link link 230 is variable so that the vertical position is variable. Combined.

The lock bracket 240 is formed with an operating chamber 246a having an access hole 246 that is opened to the front so that the hinge portion 214 of the hook bracket 210 is fitted therein, and enters into the operating chamber 246a. The rotating part 246b protrudes so as to approach the ball 246, and the hinge part 214 of the hook bracket 210 is rotatably coupled to the rotating part 246b.

Meanwhile, the lock bracket 240 may be directly fixed to the wall surface 320, but is preferably fixed to the base plate 250 fixed to the wall surface 320 by a fastening member such as a bolt.

Referring to the operation of the screen angle control device 200 of the wall-mounted television according to the present invention having such a configuration as follows.

In order to install the television 310 on the wall 320, first, the top of the coupling guide bar 220 is fixed to the coupling portion 212 of the hook bracket 210 attached to the front of the television 310, and the connection link The first protrusion 234 of 230 is hinged to the first pivoting rod 232 in a state of being in close contact with the lower portion of the coupling guide bar 220. That is, the first linking rod 232 is inserted through the first pivoting hole 234a of the first protrusion 234 and the guide slot 222 of the coupling guide bar 220 so that the connection link 230 is first. It is rotated about the lower end of the coupling guide bar 220 hinged by the rotating rod (232).

Then, the second projection 236 of the connecting link 230 to the second pivoting rod 242 in a state in close contact with the upper portion of the lock bracket 240 is installed on the wall surface 320 by the base plate 250 To fix the hinge. That is, the second pivoting rod 242 is inserted into and fixed to the second pivoting hole 236a and the guide groove 247 of the second protrusion 236 and the multi-stage groove 244 of the lock bracket 240 for the second time. Enclosure 242 is located in any one of the grooves of the multi-stage groove 244 in the guide hole 247, for example, if you want to position the screen of the television 310 is almost vertical The second rotating rod 242 is positioned in the uppermost groove of the multi-stage groove 244, at which time, the first rotating rod 232 is close to the bottom of the guide slot 222.

When the screen angle of the television 310 is to be adjusted, the second pivoting rod 242 protruding from both sides of the connection link 230 is slightly lifted up, and is caught by the knob 248b as shown in FIG. 5. The television 310 is tilted to have a desired screen angle while the piece 248 is rotated forward about the hinge axis 248a so that the multi-stage groove 244 is separated from the second pivoting rod 242. As shown in FIG. 6, when the force applied to the locking piece 248 is released, the locking piece 248 is rotated to the rear about the hinge axis 248a and returned by the elastic force of the elastic member 249. By adjusting the screen angle of the) is placed in the groove of the multi-stage groove portion 244 close to the second pivoting rod 242 whose height is changed in the guide hole 247, the television 310 is the screen angle is adjusted Will be maintained.

In addition, the guide hole 247 in a state in which the second pivoting rod 242 is caught in the multi-stage groove 244 of the locking piece 248 even if a force for forcibly rotating forward is applied to the television 310 whose screen angle is adjusted. The support piece 248 is prevented from rotating forward undesirably.

At this time, the hinge portion 214 of the hook bracket 210 is rotated along the outer surface of the rotating portion 246b in the operating chamber 246a of the lock bracket 240, so that the hinge portion of the hook bracket 210 ( A portion of 214 is exposed to the outside through the access hole 246 of the lock bracket 240.

As such, the inclination angle of the screen of the television 310 is determined by which of the plurality of grooves constituting the multi-stage groove 244 of the lock bracket 240 is positioned in the second pivoting rod 242. The position change of the second pivoting rod 242 for the easy to be made by the engaging piece 248 for coupling and separating the multi-stage groove 244 to the second pivoting rod 242.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. And will be included in the described technical idea.

1 is an exploded perspective view showing a screen angle adjusting device of a wall-mounted television according to the prior art,

Figure 2 is an exploded perspective view showing a screen angle adjusting device of the wall-mounted television according to the present invention,

Figure 3 is a perspective view of the locking piece and the lock bracket of the screen angle adjustment device of the wall-mounted television according to the present invention,

4 is a side view showing a screen angle adjusting device of the wall-mounted television according to the present invention,

5 and 6 are side views for explaining the operation of the screen angle control device of the wall-mounted television according to the present invention.

<Explanation of symbols for the main parts of the drawings>

200: adjusting device 210: hook bracket

212: coupling portion 214: hinge portion

220: combined guide bar 222: guide officer

230: connection link 232: first rod

234: first protrusion 234a: first turning hole

236: 2nd protrusion part 236a: 2nd rotation hole

240: rock bracket 242: second rotating rod

244: multi-stage groove 246: entrance hole

246a: operating chamber 246b: rotating part

247: guide hole 248: locking piece

248a Hinge Shaft 248b Knob

249: elastic member 250: base plate

310 television 320 wall

Claims (3)

As a device to adjust the screen angle of the wall-mounted television, A hook bracket having an engaging portion in which the portion bent backward from the upper end is bent downward again and a hinge portion bent backward from the lower end, One or two or more coupling guide bar is fixed to the upper end is fitted to the coupling portion of the hook bracket, the guide hole is formed on both sides, One or more connecting links one end of which is hinged by a first pivoting rod in the guide slot of the coupling guide bar, A catching piece having a multi-stage groove, in which the other end of the connection link is hinged by a second pivoting rod, The engaging piece is rotatably coupled so that the multi-stage groove part can be separated from the second pivoting rod, and a guide hole for guiding the vertical movement of the second pivoting rod is formed, and the hinge portion of the hook bracket is hinged out. One or more rock brackets with balls Screen angle adjustment device of the wall-mounted television comprising a. The method of claim 1, The lock bracket, Returning the engaging piece to be hinged to the multi-stage groove by the elastic force of the elastic member Screen angle adjustment device of the wall-mounted television, characterized in that. The method according to claim 1 or 2, The locking piece, Protruding knob on top Screen angle adjustment device of the wall-mounted television, characterized in that.

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