KR100587300B1 - Enhanced lock device for stand used in lcd monitor - Google Patents

Abstract

The present invention relates to a safety locking device for a stand for an LCD monitor, comprising: a support column assay including a slider column supporting a screen display unit and a base column partially wrapping the slider column to be movable upward and downward; A safety lock of a stand for an LCD monitor comprising a base which is fixed to cross at a lower end of a base column of the support column assay and has at least a part of an opening therein, wherein the safety lock is a slider column of the support column assay. Locked portions in which both left and right ends are fixed to the inner wall of the slider column at the lower part and the outer free end of the plate coil spring provided at the upper part of the base column, and a recess is formed so that a step is formed at the front side. )Wow; A base plate disposed in the receiving portion of the base so as to face or contact a portion of the lower surface of the locking portion, and a first plate formed to cross the base plate and having at least one hook to be locked or released in the recess of the locking portion. A locking portion consisting of a vertical portion; The locking unit is characterized by consisting of a fixing means for slidably guiding the base plate of the locking unit to be movable back and forth within the receiving portion of the base.

 LCD, Monitor, Stand, Lock

Description

Safety lock for LCD monitor stand {ENHANCED LOCK DEVICE FOR STAND USED IN LCD MONITOR}

1 is a schematic perspective view showing a support column assay generally applied to a stand for an LCD monitor.

Figure 2 is a schematic perspective view showing a safety lock of the stand for the LCD monitor according to the present invention.

Figure 3 is a schematic exploded perspective view showing the base and the support column assay of the stand for the LCD monitor of Figure 2;

4 is a schematic enlarged perspective view of the base of the stand;

5 is a schematic exploded perspective view of the base of the stand and the locking portion provided on the base.

6 is a view showing a support column assay in which the slider column is raised upward from the base column.

7 shows a support column assay with the slider column fully lowered into the base column.

Figure 8 is a schematic perspective view of the locking portion fixed to the inner wall of the lower end of the slider column.

9 is a schematic partially enlarged perspective view of a support column assay having a locking portion fixed to an inner wall of a lower end of a slider column;

10 is a view for explaining the coupling or release relationship between the locking portion provided on the base and the locking portion fixed to the inner wall of the lower end of the slider column to be locked or released by the locking portion.

<Description of Symbols for Main Parts of Drawings>

1 ': stand 2: slider column

3: base column 3a: coupling sphere

4: Support Column Assay 5: Leaf Coil Spring Assembly

8: Leaf coil spring 8a: outer free end

9: base 9a: receptacle

9aa: through hole 9b: boss

10: locked out 10aa: stepped

10a: recess 10b: alignment protrusion

10c: Expansion Stage 11: Locking Section

11a: Base Plate 11aa: Long Hole

11bb: hook 11b: first vertical portion

11c: boss 11d: second vertical portion

11dd: protrusion 12: fixing means

13: leaf spring 13a: extension

14: Fastener 15: Coil Spring

16: cap

The present invention relates to a safety lock device for a stand for an LCD monitor, and in particular, when the screen display unit is separated from the stand of the LCD monitor, the stand is securely fixed for convenience of packaging or transportation, and when the screen display unit is installed on the stand, The present invention relates to a safety lock of a stand for an LCD monitor, which makes it possible to conveniently release a slider column from a base column.

In general, an LCD monitor includes a screen display unit for displaying a predetermined video signal on a screen; It consists of a stand which is connected to the back of this screen display part via a pivot part, and supports the screen display part.

Here, the stand 1 is connected to a pivot (not shown) as shown in Figure 1, the slider column (2) for supporting the screen display (not shown), and the slider column up and down A support column assay (4) consisting of a base column (3) movably wrapped in the room; It consists of a base (not shown) fixed to cross the lower end of the base column 3 of the support column assay.

An upper one side of the base column (3) is provided with a plate coil spring assembly (5), the plate coil spring assembly is stepped at both ends to be fixed to the upper coupling hole (3a) of the base column (3) A shaft 6 on which 6a is formed; A support 7 formed with a hollow hole 7a along the axis to accommodate the shaft; It is fitted to surround the outer periphery of the support, the outer end of the winding portion consists of a plate coil spring (8) fixed to the lower portion of the slider column (2).

Accordingly, when the screen display part of the LCD monitor is raised or lowered, the load of the screen display part of the plate coil spring 8 of the plate coil spring assembly 5 is moved through the slider column 2. By being supported by the elastic force, the LCD monitor, i.e., the screen display part, does not cause a phenomenon that the user bounces up or sags down from the height set by the user.

However, in the conventional stand, the slider column is freely movable up and down from the base column, but according to the user's intention, the slider column cannot be completely fixed while being pushed into the base column. There was no.

Accordingly, the present invention has been made to solve the above-described problems, the object is that the slider column is normally freely moveable from the base column up and down, and when the packaging or transport to the slider according to the user's intention It is to provide a safety lock of the stand for the LCD monitor that allows the column to be completely fixed while being pushed into the base column.

In order to achieve the above object, the present invention provides a support column composed of a slider column whose upper end is fixed to the back of the screen display unit via a pivot, and a base column at least partially wrapping the slider column to be movable upward and downward. Assays; In the safety lock of the stand for the LCD monitor consisting of a base which is fixed to cross the lower end of the base column of the support column assay and at least a portion of the receiving portion is formed, the safety locking device is

Both left and right ends are respectively fixed to the inner wall of the slider column at the lower part of the slider column of the support column assay, and the outer part is fixed to the outer free end of the plate coil spring provided at the upper part of the base column. A locked portion in which an additional portion is formed; A base plate disposed in the receiving portion of the base so as to face or contact a portion of the lower surface of the locking portion, and a first plate formed to cross the base plate and having at least one hook to be locked or released in the recess of the locking portion. A locking portion consisting of a vertical portion; The locking unit is characterized by consisting of a fixing means for slidably guiding the base plate of the locking unit to be movable back and forth within the receiving portion of the base.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 2 to 10.

Figure 2 is a schematic perspective view showing a safety locking device of the LCD monitor stand according to the present invention, Figure 3 is a schematic exploded perspective view showing the base and the support column assay of the LCD monitor stand of Figure 2;

2 and 3, a slider column 2 having an upper end fixed to a rear surface of a screen display unit via a pivot unit, and a base at least partially wrapping the slider column to be movable upward and downward. A support column assay 4 composed of columns 3; In the safety lock of the stand for the LCD monitor consisting of a base (9), which is fixed to cross the lower end of the base column (3) of the support column assay, the receiving portion (9a) is formed at least a portion of the support column, the safety lock The device is

Both outer left and right ends of the support column assay 4 are fixed to the inner wall of the slider column, respectively, and the outer side of the plate coil spring 8 provided at the upper part of the base column 3 is free. A locked portion 10 fixed to the end and having a concave portion 10a formed so that a step 10aa is formed at the front side;

A base plate 11a disposed in the receiving portion 9a of the base 9 so as to face or come into contact with a portion of the lower surface of the locking portion, and a recess of the locking portion 10 formed to cross the base plate; A locking portion 11 composed of a first vertical portion 11b provided with at least one hook 11bb to be locked or released in 10a);

This locking portion is composed of a fixing means (12) for slidably guiding the base plate (11a) of the locking portion 11 to be movable back and forth within the receiving portion (9a) of the base (9).

Here, the leaf spring 13 is formed in the recess 10a of the locking part 10 so that the hook 11bb of the first vertical part 11b of the locking part 11 can be elastically locked or released. An extension part 13a may be further formed at one edge of the leaf spring, and the extension part is fixed to the locking part 10 via a fastener 14. Furthermore, both end portions of the leaf spring 13 may be bent convexly upward to partially contact the corresponding hooks 11bb on the first vertical portion 11b side of the locking portion 11 respectively ( 5 to 10).

At least one alignment protrusion 10b is formed at an outer portion of the locking portion 10 so as to be used to fix the outer free end 8a of the upper plate coil spring 8 of the base column 3. Preferred (see FIG. 7).

Extension ends 10c may be further formed at both end portions of the locking portion 10 so as to face each other so that the locking portions may be used to be fixed to the slider column 2 (see FIGS. 8 to 10). .

A boss 11c is formed outside the first vertical portion 11b of the locking portion 11, one end of which is received on the outer surface of the first vertical portion 11b and the other end of the base 9 is received. Coil springs 15 may be fitted to each of the portions 9a on the corresponding inner wall (see FIGS. 5 and 10).

A second vertical portion 11d is further formed at a front edge of the base plate 11a of the locking portion 11, and a protrusion 11dd is formed outside the second vertical portion and the base 9 facing the protrusion 11 is formed. The through hole 9aa may be formed in the corresponding wall surface of the side accommodating part 9a. Further, it is preferable that the cap 16 made of resin is fitted into the protrusion 11dd of the second vertical portion 11d (see FIGS. 5 and 10).

The fixing means 12 is formed in the base 9 corresponding to the locking plate 11 side base plate 11a in which the elongated hole 11aa is formed in the center and the elongated hole 11aa of the base plate. And a fastener 14 fixed on the boss 9b so as to guide the locking plate 11 side base plate 11a through the boss (Figs. 4 and 5). Reference).

The upper edge of the elongated hole 11aa side of the base plate 11a is preferably cut to a predetermined depth to form a predetermined gap from the bottom of the head of the fastener 14, in which case the fastener 14 is a screw. It is preferred (see FIG. 5).

The front surface of the hook 11bb of the locking portion 11 has an inclined surface extending downward at a predetermined angle, and the lower surface of the stepped portion 10aa of the locking portion 10 corresponds to the inclined surface is preferably curved ( 8 and 10).

The assembly process and operation of the safety lock device of the stand for an LCD monitor according to the present invention configured as described above will be described with reference to FIGS. 2 to 10.

First, in the case of assembly of the locking portion, while the leaf spring 13 is positioned in the recess 10a of the locking portion 10, the expansion portion 13a of the leaf spring is aligned with the inner wall of the locking portion 10. Secure with screws.

Then, the locking portion 10 is located on the lower inner wall of the slider column 2 to fix both extension ends 10c of the locking portion with screws.

Then, the outer free end 8a of the upper plate coil spring 8 of the base column 3 is pulled outward of the locking part 10 of the slider column 2 so that the two alignment protrusions 10b of the locking part are provided. After inserting in, the outer free end 8a of the leaf coil spring 8 may be fixed to the outer side of the locking portion 10 using a screw.

On the other hand, in the case of assembling the locking part, the cap 16 is inserted into the projection 11dd on the second vertical part 11d side of the locking part 11, and then the locking part 11 is lifted up to accommodate the receiving part of the base 9 ( The elongated hole 11aa of the locking portion is aligned with the boss 9b in 9a.

Then, the locking portion 11 is pushed to one side such that the second vertical portion 11d side projection 11dd of the locking portion 11 protrudes outward through the through hole 9aa of the accommodation portion 9a. In the state, the coil spring 15 is inserted into the boss 11c on the first vertical portion 11b of the lock portion, and then the lock portion 11 is correctly positioned.

At this time, one end of the coil spring 15 is fitted to the boss 11c of the first vertical portion 11b and the other end of the coil spring 15 is disposed on the inner wall of the receiving portion 9a. It will be hard.

Then, the fastener 14 may be inserted into the boss 9b of the base 9 on which the locking portion 11 is fitted. At this time, the locking part 11 is slidable back and forth within the limited range through the boss 9b of the base 9.

Then, the base column 3 including the slider column 2 on which the locking part 10 is mounted is lifted up, and the lower part of the base column is accommodated in the base 9 on which the locking part 11 is mounted. 9a), the lower part of the base column 3 is fixed to the corresponding wall of the receiving portion 9a of the base 9 using a screw.

Then, the corresponding portion on the back side of the screen display unit is fixed to the upper part of the slider column 2 via a pivoting unit (not shown).

On the other hand, the operation of the safety lock device of the stand for the LCD monitor according to the present invention.

First, when the screen display unit is mounted on the stand, the slider column 2 of the stand 1 'is positioned at a predetermined height by the elastic force of the plate coil spring 8 supporting the load of the screen display unit and the load of the screen display unit. Will be.

If the user pulls upwards or downwards the slider column 2 of the stand 1 'to adjust the height of the screen display part, the slider column is naturally moved in the corresponding direction.

In addition, when the user presses the slider column 2 of the stand 1 'to the lowest point at the bottom, the front lower edge of the locking portion 10 provided at the lower portion of the slider column is the base 9 side locking part 11. ), The front inclined surface of the hook 11bb is pressed.

Next, the locking portion 11 is moved to press the coil spring 15 through the boss 9b on the receiving portion 9a side of the base 9, and eventually the hook of the locking portion 11 11bb is beyond the recess 10a side step 10aa of the slider column 2 side locking part 10.

Accordingly, the tip of the hook 11bb of the locking portion 11 of the base 9 side is locked to the recess 10a of the locking portion 10 of the slider column 2, and as a result, the slider column ( 2) the base (unless the user presses the locking portion 11 side projection 11dd (cap 16 may be covered) partially exposed outside the receiving portion 9a of the base 9). To 9).

That is, the locking part 11 side hook 11bb is locked to the locking part 10 side recess 10a at a low depth because a load of the screen display part is applied to the upper part of the slider column 2. As a result, the user can conveniently adjust the height of the screen display unit even when the screen display unit is mounted on the slider column 2.

On the contrary, when the screen display part is separated from the stand for packaging or transportation, the slider 11 side hook 11bb has the slider column because the load of the screen display part applied to the upper part of the slider column 2 is removed. By the restoring force of the base coil (3) side plate coil spring (8) surrounding the (2) is relatively deeply locked to the recessed portion (10) side recessed portion (10a).

Accordingly, the slider column 2 side locking portion 10 unless the user intentionally pushes the slider 11 side protrusion 11dd while fully pushing the slider column 2 downward of the base 9. ) And the locking state of the base 9 side locking portion 11 is never released.

As described above, the present invention allows the slider column to be freely moved up and down from the base column in normal times, and when it is to be packed or transported, the slider column is pushed into the base column according to the user's intention. Allow it to be fully fixed.

Claims (13)

A support column assay including a slider column having an upper end fixed to a rear surface of the screen display unit via a pivot unit, and a base column at least partially wrapping the slider column to be movable upward and downward; In the safety lock of the stand for the LCD monitor consisting of a base which is fixed to cross the lower end of the base column of the support column assay and at least a portion of the receiving portion is formed, the safety locking device is Both left and right ends are respectively fixed to the inner wall of the slider column at the lower part of the slider column of the support column assay, and the outer part is fixed to the outer free end of the plate coil spring provided at the upper part of the base column. A locked portion in which an additional portion is formed; A base plate disposed in the receiving portion of the base so as to face or contact a portion of the lower surface of the locking portion, and a first plate formed to cross the base plate and having at least one hook to be locked or released in the recess of the locking portion. A locking portion consisting of a vertical portion; Fixing means for slidably guiding the base plate of the locking portion such that the locking portion is movable back and forth within the receiving portion of the base. Safety lock of the stand for the LCD monitor, characterized in that consisting of. The safety locking device of claim 1, wherein a leaf spring is fitted into the recess of the locking portion. The safety lock of claim 2, wherein an extension part is further formed at one edge of the leaf spring, and the extension part is fixed to the locking part through a fastener. 4. The safety locking device of claim 2, wherein both ends of the leaf spring are each bent convexly upward. The safety locking device of claim 1, wherein at least one alignment protrusion is formed at an outer portion of the locking portion so as to be used to fix an outer free end of the upper plate coil spring of the base column. The safety locking device of claim 1, wherein expansion ends are further formed on opposite sides of the locking part so that the locking parts can be used to be fixed to the slider column. 2. A boss according to claim 1, wherein a boss is formed outside the first vertical portion of the locking portion, and the coil spring is inserted into the boss so that one end thereof is attached to the outer surface of the first vertical portion and the other end thereof to the corresponding inner wall of the receiving portion of the base. Safety lock of stand for LCD monitor which loses. According to claim 1, wherein a second vertical portion is further formed on the front plate edge of the base of the locking portion, a protrusion is formed outside the second vertical portion, and a through hole is formed in the corresponding wall surface of the base side receiving portion facing the protrusion. Safety lock of the stand for the LCD monitor. The safety locking device of claim 8, wherein a cap made of resin is inserted into the protrusion of the second vertical portion. 2. The locking means base plate according to claim 1, wherein the fixing means comprises: a lock side base plate having a long hole formed in a central portion thereof, a boss formed in the base corresponding to the long hole of the base plate, and the lock side base plate through the boss. Safety lock of the stand for the LCD monitor that consists of fasteners fixed on the boss to guide the. 11. The safety locking device of claim 10, wherein the elongated hole-side upper edge of the base plate is cut to a predetermined depth to form a predetermined gap from a bottom surface of the head of the fastener. 12. The safety lock of claim 11 wherein the fastener is a screw. 2. The safety locking device of claim 1, wherein the front of the hook of the locking part has an inclined surface extending downward at an angle, and the lower surface of the stepped portion of the locking portion is curved in accordance with the inclined surface.

Images