KR200295535Y1 - A hinge assembly for slim monitor - Google Patents

Abstract

The present invention not only improves the hinge shaft and washer constituting the hinge assembly, but also obtains proper turning torque, and contributes to improving the operability and quality of the hinge assembly by preventing the added lubricant from being consumed even for a long time. As for the hinge assembly for the thin type monitor,

A lower bracket 32 which stands on both sides of the base 31 fixed or integrally embedded in the main body or pedestal, and an upper bracket 33 which fixes the monitor to generate a suitable turning torque; ; A hinge shaft 35 for holding the upper bracket 33 and a nut 36 for controlling the upper bracket 33; It is composed of a plurality of washers (37) interposed in the hinge shaft (35) for generating a rotational torque; The washer 37 is interposed between the hinge shaft 35 and the upper bracket 33 to eliminate the rotation rejection reaction while preventing the direct friction of the hinge shaft 35 and the upper bracket 33 to push the washer (38); A disc washer (39) for providing a uniform turning torque to the lower and upper brackets (32, 33); While interposed between the disc washer 39 and the upper bracket 33, the upper bracket 33 and the lower bracket 32, the lower bracket 32 and the nut 36 to prevent direct friction between each other to prevent wear A hinge assembly (30) comprising a flat washer (40) interposed to allow a good rotational force;

The pushing washer (38) forms a shaft hole (381) formed in the center of the fine oval; The diameter of the height direction (a) is greater than the width direction (b) during the engagement of the diameter of the shaft hole (381) so as to increase the coupling force with the hinge shaft (35); The width direction (b) is formed to be slightly smaller than the diameter of the hinge shaft 35 so as to be forcibly coupled with the hinge shaft (35);

The pushing washer (38) always has a gentle curvature (D) in one direction to push and tighten the hinge shaft (35);

The disc washer 39 includes a plurality of protrusions 393 which are radially formed on the washer body 392 so as to generate an appropriate friction force during rotation to generate a uniform ring rotation torque;

The flat washer 40 includes a plurality of concave grooves 403 radially formed at the edges of the shaft hole 401 and the washer body 402 so as to accommodate the lubricant to be added so that the lubricity is not degraded even in long-term use; A lubrication hole (404) formed in the washer body (402);

The hinge shaft 35 is configured in a shape capable of providing directionality that can prevent misassembly; The surface of the hinge shaft 35 is characterized in that further forming a straight or spiral groove 351 to contain a lubricant for a long time.

Description

Hinge assembly for slim monitor {A hinge assembly for slim monitor}

The present invention relates to a hinge monitor for a thin monitor, and more particularly, a thin LCD monitor, a notebook, and a car television such as a monitor, which is applied to a thin, open / close type monitor, which is suitable for opening and closing. The present invention relates to the provision of an improved hinge assembly for applying torque.

In recent years, with the development of technology, computer monitors are made very thin and maintain the same level as notebook monitors, and general purpose televisions and car televisions are manufactured with very thin thicknesses.

As described above, since the monitor is made of a thin thin film, the monitor can be freely rotated at a predetermined angle with respect to the main body or the pedestal so that the monitor can be used more easily. This is achieved by the hinge assembly.

Various kinds of such hinge assemblies are developed and used, and a representative example thereof will be described with reference to FIG. 1.

Hinge assembly 30 is suitable by combining the lower bracket (32) standing on both sides of the base 31 provided in a plate-like type that is fixed or integrally embedded in the body or pedestal, and the upper bracket (33) for fixing the monitor It is to generate the rotation torque.

The hinge assembly 30 is interposed between the hinge shaft 35 for holding the lower bracket 32 and the upper bracket 33, the nut 36 for intervening it, and the hinge shaft 35 to generate the rotational torque. It consists of a plurality of washers 37.

The washer 37 is interposed between the hinge shaft 35 and the upper bracket 33 to eliminate the rotation rejection reaction while preventing the direct friction of the hinge shaft 35 and the upper bracket 33 to push the washer (38);

A disc washer (39) for imparting uniform rotational torque (pressing force) to the lower and upper brackets (32, 33);

The disc washer 39 and the upper bracket 33, the upper bracket 33 and the lower bracket 32 are interposed two by one, and one interposed between the lower bracket 32 and the nut 36 is directly friction between each other It consists of a flat washer 40 to prevent the wear (damage) to prevent the rotation force is good.

Looking at the hinge assembly (1) that is conventionally used for this purpose through FIGS.

Conventionally, the hinge shaft 4 for holding the lower bracket 2 and the upper bracket 3 and the washer 6 interposed between the nut 5 for intermittent the pusher washer 7 and the flat washer 8 are provided. And a disc washer 9.

However, the pushing washer 7 and the flat washer except for the disc washer 9 protruding in one direction are separated by only the name, in particular, the disc washer. In this case, only the protruding portions are in point contact with each other, so that the smooth turning torque cannot be generated.

In addition, the lubricant is added to the hinge shaft and each washer for smooth rotational force, but after a short time, it is destroyed by the frictional force generated during the rotation process, which causes various problems of the hinge assembly. .

Therefore, the present invention is designed to solve the above problems, to improve the hinge shaft and washer constituting the hinge assembly to obtain a proper rotation torque, as well as to prevent the added lubricant is consumed even for long time use The aim is to contribute to the improvement of the operation and quality of the hinge assembly.

1 is a perspective view showing a hinge monitor for a thin monitor shown to explain the present invention.

Figure 2 is an exploded perspective view showing a hinge assembly for a thin monitor to which the prior art is applied.

FIG. 3 is a cross-sectional view of a state in which the hinge monitor for the thin monitor applied in FIG. 2 is coupled; FIG.

Figure 4 is an exploded perspective view showing the hinge assembly for a thin monitor to which the technique of the present invention is applied.

5 is a cross-sectional view of the combined state of the hinge monitor for thin monitors applied to FIG.

FIG. 6 is a view showing a washer applied to a hinge monitor for a thin monitor according to the present invention, (A) is a front and sectional view showing a pushing washer, (B) is a perspective view showing a disk washer, and (C) is a flat view A perspective view of the washer.

Figure 7 (A, B, C) is a cross-sectional view showing a shaft applied to the hinge assembly for a thin monitor of the present invention.

* Description of the symbols used in the main parts of the drawings *

30; Hinge Assembly

32; Lower Bracket

33; Upper Bracket

35; Hinge shaft

36; nut

37; washer

38; Pushing Washer

39; Disc washer

40; Flat Washer

393; projection part

403; Home

404; Lubrication Hole

351; Groove

Hereinafter, the configuration and operation of the present invention for achieving the above object with the accompanying drawings.

1 is a perspective view showing a hinge monitor for a thin monitor shown to explain the present invention, Figure 4 is an exploded perspective view showing a hinge monitor for a thin monitor to which the technology of the present invention is applied, Figure 5 is a thin monitor applied to Figure 4 6 is a view showing a washer applied to the hinge monitor for a thin monitor according to the present invention, (A) is a front and sectional view showing a pushing washer, and (B) is a disc washer. The perspective view shown (C) is a perspective view which shows a flat washer, and FIG. 7 (A, B, C) is demonstrated together as sectional drawing which shows the shaft applied to the hinge assembly for thin monitors of this invention.

The hinge assembly 30 combines a lower bracket 32 which is erected on both sides of the base 31 fixed or integrally embedded in the main body or a pedestal, and an upper bracket 33 which fixes the monitor to generate a suitable rotational torque. A plurality of washers (37) interposed between the hinge shaft (35) for holding the lower bracket (32) and the upper bracket (33), the nut (36) intermittent thereto, and the hinge shaft (35) to generate the rotational torque are provided. It consists of

The washer 37 is interposed between the hinge shaft 35 and the upper bracket 33 to eliminate the rotation rejection reaction while preventing the direct friction of the hinge shaft 35 and the upper bracket 33 to push the washer (38) is interposed.

Disc washers 39 are provided to provide uniform rotational torque (pressing force) to the lower and upper brackets 32 and 33.

The disc washer 39 and the upper bracket 33, the upper bracket 33 and the lower bracket 32 are interposed two by one, and one interposed between the lower bracket 32 and the nut 36 is directly friction between each other It consists of a flat washer 40 to prevent the wear (damage) to prevent the rotation force is good.

The present invention improves the hinge shaft 35 and the washer 37 constituting the hinge assembly 30 to obtain the most suitable rotational torque for opening and closing the monitor, as well as to provide a smooth operating force. Characterized in that.

To this end, in the present invention,

Interposed between the hinge shaft 35 and the upper bracket 33, eliminating the rotation rejection reaction while preventing the direct friction of the hinge shaft 35 and the upper bracket 33 to the center of the washer 38 The shaft hole 381 formed in the fine oval is formed to increase the coupling force with the hinge shaft (35).

Among the diameters of the shaft hole 381, the diameter of the height direction (a) is greater than the width direction (b) so that the height direction (a) has a minute distance from the hinge shaft (35), and the width direction (b). ) Is preferably smaller than the diameter of the hinge shaft 35 to be forcibly coupled.

In particular, the push washer 38 is to have a gentle curvature (D) in one direction to always faithfully push the hinge shaft 35 to tighten.

The disc washer 39 for imparting uniform rotational torque to the lower and upper brackets 32 and 33 has a shaft hole 391 formed at the center so as to generate a uniform frictional torque by generating an appropriate friction force during rotation. A plurality of protrusions 393 are formed radially on the outer washer body 392.

The protrusion 393 may have a variety of shapes such as a triangular circle, but preferably has a quadrangle having round 394 at both edges, and the number of the protrusions 393 may be formed at least three or more. It is possible to maintain a stable state.

In order to prevent wear due to direct friction between each other, the flat washer 40 interposed therebetween is accommodated so that the lubricity does not deteriorate even after long-term use.

To this end, a plurality of recessed grooves 403 are radially formed at the edges of the shaft hole 401 and the washer body 402 formed in the center, and a plurality of lubrication holes 404 are formed in the washer body 402 which forms a plane. To form.

The hinge shaft 35 has a variety of types, such as circular or double-sided cut and three-way cut shape as shown in Figure 7, but the shape that can provide directionality to prevent misassembly during assembly Preferably, the surface of the hinge shaft 35 to form a straight or spiral groove 351 is configured to contain a lubricant for a long time.

Hinge assembly 30 of the present invention as described above,

In the case of the pushing washer 38, which is interposed between the hinge shaft 35 and the upper bracket 33, as in the general hinge assembly 30, the diameter of the width direction b is slightly smaller than the diameter of the hinge shaft 35. Since the coupling is made, it is possible to maintain a sufficient coupling force, and the push washer 38 itself has a moderate curvature (D) in one direction, so that the push washer 38 always pushes the hinge shaft 35 to tighten it. Will be.

In the case of the disc washer 39 coupled to the inside of the pushing washer 38, the protrusions 393 formed on the washer body 392 are in contact with each other, thereby generating proper rotational torque during rotation. will be.

This is possible by providing more friction force in the state where the protrusions 393 formed in the washer body 392 are in surface contact with each other.

The flat washer 40 is interposed between the disc washer 39 and the upper bracket 33, between the upper bracket 33 and the lower bracket 32, and between the lower bracket 32 and the nut 36. Lubricant is stored in the inlet groove 403 formed at the edge of the shaft hole 401 and the washer body 402 and the lubrication hole 404 further formed in the washer body 403, thereby ensuring lubricity even in long-term use. Will be.

In particular, the lubricant is stored in the groove 351 formed in the straight or helical shape on the hinge shaft 35 to ensure lubrication even more. In the case of the hinge shaft 35, the directionality during assembly is prevented to prevent misassembly. By doing so, you can contribute to productivity.

The present invention as described above improves the hinge shaft and washer constituting the hinge assembly to obtain a proper rotational torque, and contributes to improving the operability and quality of the hinge assembly by preventing the added lubricant from being consumed even for long time use. Various effects can be obtained.

Claims (1)

Lower brackets 32 which are erected on both sides of the base 31 fixed or integrally embedded in the main body or pedestal, A lower bracket 32 for engaging the upper bracket 33 fixing the monitor to generate a suitable rotational torque; A hinge shaft 35 for holding the upper bracket 33 and a nut 36 for controlling the upper bracket 33; It is composed of a plurality of washers (37) interposed in the hinge shaft (35) for generating a rotational torque; The washer 37 is interposed between the hinge shaft 35 and the upper bracket 33 to eliminate the rotation rejection reaction while preventing the direct friction of the hinge shaft 35 and the upper bracket 33 to push the washer (38); A disc washer (39) for providing a uniform turning torque to the lower and upper brackets (32, 33); While interposed between the disc washer 39 and the upper bracket 33, the upper bracket 33 and the lower bracket 32, the lower bracket 32 and the nut 36 to prevent direct friction between each other to prevent wear A hinge assembly (30) comprising a flat washer (40) interposed to allow a good rotational force; The pushing washer (38) forms a shaft hole (381) formed in the center in a fine elliptical shape; The diameter of the height direction (a) is greater than the width direction (b) during the engagement of the diameter of the shaft hole (381) so as to increase the coupling force with the hinge shaft (35); The width direction (b) is formed to be slightly smaller than the diameter of the hinge shaft 35 so as to be forcibly coupled with the hinge shaft (35); The pushing washer (38) always has a gentle curvature (D) in one direction to push and tighten the hinge shaft (35); The disc washer 39 includes a plurality of protrusions 393 which are radially formed on the washer body 392 so as to generate an appropriate friction force during rotation to generate a uniform ring rotation torque; The flat washer 40 includes a plurality of concave grooves 403 radially formed at the edges of the shaft hole 401 and the washer body 402 so as to accommodate the lubricant to be added so that the lubricity is not degraded even in long-term use; A lubrication hole (404) formed in the washer body (402); The hinge shaft 35 is configured in a shape capable of providing directionality that can prevent misassembly; The hinge shaft for a thin monitor, characterized in that it comprises a groove (351) formed on the surface of the hinge shaft (35) to contain a lubricant for a long time.