JPH06167584A - Light shield hood - Google Patents

Abstract

PURPOSE:To enable to open at one touch with a single hand a folding type light shield hood placed on such a handy image display as a liquid crystal TV. CONSTITUTION:For a folding type light shield hood 10 assembled with 4 opening-free covers 21, 31, 41, 51 at up, down, left and right of a frame 11, springs for forcing the covers to the opening direction are provided to at least three covers 21, 41, 51. To the cover 21 among three covers forced to the opening direction which comes to the front side in folded state, a lap part 35 is provided so that it overlaps to the front of the last one cover 31 in folded state. A hook part 13 is provided to hold the one cover 21 which comes to the front side in folded state among the covers forced to the opening direction, to the frame 11 side in folded state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a folding type light-shielding hood mounted on a portable image display device such as a liquid crystal television.

[0002]

2. Description of the Related Art In recent years, a liquid crystal television using a liquid crystal as a display device has been put into practical use, and since the liquid crystal is small and lightweight and has low power consumption, it is suitable for carrying. In a portable liquid crystal television, a light shielding hood is attached to shield the liquid crystal screen, and there is also a folding light shielding hood. As a conventional folding type light-shielding hood, the left and right inner covers in the folded state are biased toward the frame by springs in the open direction, and the outer upper and lower covers in the folded state are closed by the spring. There is a configuration that each is energized. When using this light-shielding hood, the upper and lower covers are opened with both hands, and the left and right hoods are opened by the biasing of the respective springs.

[0003]

As described above, in the conventional folding type light-shielding hood, the upper and lower covers, which are the outer side in the folded state, are biased in the closing direction by the respective springs. When using it, above and below 2
It was necessary to open each cover separately with both hands, which was troublesome to use.

Therefore, an object of the present invention is to provide a folding type light-shielding hood to be mounted on a portable image display device such as a liquid crystal television, which can be opened with one touch from the folded state using only one hand. To provide.

[0005]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention relates to a foldable light-shielding hood in which four upper, lower, left and right covers are attached to a frame so as to be openable and closable. A spring for biasing each of the three covers in the opening direction is provided, and one of the three covers biased in the opening direction, which is the front side in the folded state, is different from the remaining one cover. In addition, a wrap portion that overlaps from the front side in the folded state is provided, and a locking portion that holds one cover that is the front side in the folded state in the folded state on the frame side is provided, as well as the cover that is biased in the opening direction. It is characterized by Further, a finger hook is provided on one of the upper and lower covers.

[0006]

In the folded state, with respect to the one cover on the front side, the wrap portion on which the one cover on the front side overlaps with the one cover on the front side out of the other three covers urged in the opening direction,
Since it is a light-shielding cover that is provided with a locking part that holds this cover on the frame side, by opening only the front side cover that is not held from the folded state with one hand,
The other one cover is released from the holding state by the locking portion with the frame side through the wrap portion, and is opened by the bias of the spring, and the other two covers are also opened by the bias of the spring. . It should be noted that the upper and lower covers are used as the front side cover which is not held, and the finger hooks are provided on the cover, which improves usability.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the light shielding hood according to the present invention will be described below with reference to FIGS. 1 and 2 showing a light-shielding hood as an example to which the present invention is applied,
Reference numeral 1 is a small portable LCD TV, 10 is a light-shielding hood, and this light-shielding hood 10 includes a frame 11 and an upper cover 2.
1, a lower cover 31, a left cover 41 and a right cover 51, which are made of synthetic resin. First, the frame 11
Is a quadrangle that is fitted around the front portion of the liquid crystal television 1 having the liquid crystal screen 2, and has a screen opening window 12 inward.
In addition, the small protrusions 13, 13 serving as locking portions are formed at the portions slightly upward from the center of the left and right outer side surfaces.

The upper cover 21 has a shape that covers substantially the upper half of the frame 11, and has left and right bent pieces 22, 2 to the rear side.
2 is provided, in the lower part of the inner side surface of the bent pieces 22 and 22,
As shown in FIG. 3, small protrusions 23, 23 forming a locking portion are formed. The upper cover 21 includes the left and right bent pieces 2
The pivot pins 26, 26 are attached to the left and right upper portions of the frame 11 so as to be openable and closable at the upper portions of 2, 22. In the assembled state, the small protrusions 23, 23 correspond to the small protrusions 13, 13 of the frame 11, respectively.

Then, as shown in FIG.
A torsion coil spring 27 for urging the upper cover 21 in the opening direction indicated by an arrow is provided between the inner surface of the upper side portion and the back surface of the upper cover 21. For example, the torsion coil spring 27 is provided on each of the left and right pivot pins 26, 26, or only one of them is provided.

The lower cover 31 has a shape that covers substantially the lower half of the frame 11, and has bent pieces 32, 32 to the left and right toward the rear.
The bent hooks 32, 32 are provided with finger hooks 33, 33 formed in a protruding shape on the upper portions of the outer side surfaces thereof. The lower cover 31 is openably and closably attached to the lower left and right sides of the frame 11 by the pivot pins 36 and 36 at the lower portions of the left and right bent pieces 32 and 32. In the assembled state,
As shown in FIG. 4, a wrap portion 35 that overlaps the lower edge of the upper cover 21 is formed by protruding along the upper edge of the lower cover 31 so as to form a concave step toward the rear.

Then, as shown in FIG.
Between the lower side surface of the screen opening window 12 and the back surface of the lower cover 31, a torsion coil spring 37 for urging the lower cover 31 in the closing direction shown by the arrow is provided. That is, the stopper portion 1 formed on the lower side surface of the screen opening window 12 of the frame 11
4, one end of the torsion coil spring 37 is contacted from below, and the other end of the torsion coil spring 37 is inserted from below into a stopper portion 34 formed on the back surface of the lower cover 31. For example, the torsion coil spring 37 is also provided on each of the left and right pivot pins 36, 36, or only one of them is provided.

The left cover 41 and the right cover 51 are symmetrical in shape, and open and close to the left and right of the frame 11 by pivot pins 46, 46, 56, 56 at the upper and lower portions of each, as shown in FIG. Each can be assembled freely. further,
The left cover 41 and the right cover 51 are both biased in the opening direction by torsion coil springs 47 and 57 provided between the back surface of the left cover 41 and the right cover 51 and the outer surface of the screen opening window 12 of the frame 11. The torsion coil springs 47, 57 are also attached to the upper and lower pivot pins 46, 4
6, 56, 56, or only on one of the upper and lower sides thereof.

With respect to the frame 11, the light-shielding cover 10 having the above-described structure first folds the left cover 41 and the right cover 51 against the biasing forces of the torsion coil springs 47 and 57, and lowers them to the front side. The cover 31 is folded by the biasing force of the torsion coil spring 37, and then the upper cover 21 is folded against the biasing force of the torsion coil spring 27. In this case, as shown in FIG. 3, the small protrusions 13 on the left and right outer surfaces of the frame 11 are attached to the small protrusions 2 on the inner side surfaces of the bent pieces 22, 22 on the left and right of the upper cover 21.
3 and 23 are crossed over from the front and locked to each other.
As a result, the light shielding cover 10 is held in the folded state shown in FIG. Then, the light shielding cover 10 is attached to the liquid crystal television 1 by fitting the frame 11 around the front portion of the liquid crystal television 1 having the liquid crystal screen 2.

When using the above shading hood 10,
First, the fingers of one hand are hooked on the finger hooks 33, 33 on the outer side surfaces of the bent pieces 32, 32 on the left and right of the lower cover 31 and pulled toward the front side against the biasing force of the torsion coil spring 37. Then,
As indicated by an arrow in FIG. 5, the lower edge portion of the upper cover 21 is pushed toward the front side by the lap portion 35 of the upper edge portion of the lower cover 31,
The small projections 23, 23 on the inner surface of the left and right bent pieces 22, 22 of the upper cover 21 are the small projections 1 on the left and right outer surfaces of the frame 11.
By releasing the lock with 3, 13 and overcoming to the front side, by the urging force of the torsion coil spring 21,
The upper cover 21 opens to the front side. At the same time, the left cover 41 and the right cover 51 are opened to the front side by the biasing forces of the respective torsion coil springs 47 and 57.

As described above, the four upper, lower, left and right covers 21, 31, 41, 51 constituting the light-shielding hood 10 can be fully opened by a simple one-touch operation using only one hand. By the way, regarding the upper and lower covers, the urging directions of the respective springs may be reversed, and the lap portion and the finger hook portion may have an opposite relationship. Further, in the folded state, the left and right covers may be on the front side. The finger hooks are not necessarily provided, and may be simply marks. Further, the pivot pin may be integrally formed with either the frame or each cover.

In the above embodiments, the light-shielding hood for the liquid crystal television is used. However, the present invention is not limited to this, and a light-shielding hood mounted on another portable image display device may be used. Good. Further, the material and design of the light-shielding hood are arbitrary, and it is needless to say that the specific detailed structure and the like can be appropriately changed.

[0017]

As described above, according to the light-shielding hood according to the present invention, in the folded state, the other three sheets, which are biased in the opening direction from the front side, with respect to the one cover which is the front side. Since the cover has a wrap portion on which one cover on the front side overlaps and a locking portion that holds the cover on the frame side, the folded side covers the front side that overlaps the cover held on the frame side. By a simple one-touch operation of opening only the cover with one hand, the other one cover is released from the holding state by the locking part with the frame side via the lap part and opened by the bias of the spring,
The other two covers are also opened by the biasing of the springs, that is, the four covers are fully opened. It should be noted that, as in the second aspect, if a finger hook portion is provided on any one of the upper and lower covers, the usability is improved.

[Brief description of drawings]

FIG. 1 is a perspective view of a single item in a folded state showing a light-shielding hood as an example to which the present invention is applied.

FIG. 2 is a perspective view showing a usage state of a light-shielding hood mounted on a liquid crystal television.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a cross-sectional view taken along the line BB of FIG.

5 is a cross-sectional view showing the opening operation of the cover from the folded state shown in FIG.

[Explanation of symbols]

 1 LCD TV 10 Shading Hood 11 Frame 13 Locking Part 21 Upper Cover 23 Locking Part 26 Pivoting Pin 27 Spring 31 Lower Cover 33 Finger Hook 35 Lap 36 Pivoting Pin 37 Spring 41 Left Cover 46 Pivoting Pin 47 Spring 51 Right cover 56 Pivot pin 57 Spring

Claims (2)

[Claims] 1. A folding type light-shielding hood in which four upper, lower, left and right covers are attached to a frame so as to be openable and closable, and springs for urging at least three of the covers in the opening direction are provided. , Of the three covers that are biased in the opening direction, one cover that is on the front side in the folded state is provided with a lap portion that overlaps from the front side in the folded state with respect to the remaining one cover. A light-shielding hood, characterized in that a locking portion is provided for holding one cover, which is the front side in the folded state, of the biased covers, on the frame side in the folded state. 2. The shading hood according to claim 1, wherein one of the upper and lower covers is provided with a finger hook portion.