JPS6326175A - Light shield hood device for liquid crystal television receiver - Google Patents

Abstract

PURPOSE:To facilitate the opening/closing operation of a hood plate by engaging a folded piece provided at the upper end of 1st and 2nd hood plates with both ends of a 3rd hood plate in opening the 1st-3rd hood plates and sliding in the folded piece into a gap between the 3rd food plate support shaft and a case main body in closing the 1st-3rd hood plates. CONSTITUTION:In opening, e.g., the 3rd hood plate, external force is exerted to the 3rd hood plate 8 in a direction of spring energizing to allow the 1st and 2nd hood plates 2, 5 to be opened against the spring force energizing the 1st and 2nd hood plates 2, 5 in the closing direction while in contact with both ends of the 3rd hood plate 8. Then both ends of the 3rd hood late 8 are engaged with folded pieces 2a, 5a provided to the upper end of the 1st and 2nd hood plates 2, 5. Since sliding members 11a, 11b are in contact with the inner face of the 1st and 2nd hood plates 2, 5 in the process of the 1st-3rd plates 2, 5, 8 to be opened, no large external operating force is required and the opening state of the 1st-3rd hood plates 2, 5, 8 is kept.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a light-shielding hood device for a liquid crystal television receiver.

BACKGROUND OF THE INVENTION In recent years, liquid crystal television receivers have attracted attention as pocket televisions that emphasize portability because they are small and lightweight.

Conventional LCD television receiver-1 A liquid crystal television receiver with a rotatable liquid crystal panel attached to the front of the receiver body.For example, when used outdoors, external light can be removed from the back of the liquid crystal panel. The TV screen in the LCD panel was made brighter to make it easier to watch.

On the other hand, when used outdoors, ambient light is reflected on the TV screen in the LCD panel section, making the TV screen itself difficult to see. It is known to mount a light-shielding hood device in which a hood plate is fixedly provided on at least three upper sides in a substantially U-shape.

Problems to be Solved by the Invention However, in the conventional light-shielding hood device, the hood plate is fixedly provided in a substantially U-shape.
When the light-shielding hood device is attached to the liquid crystal panel portion of the liquid crystal television receiver main body, the liquid crystal television receiver itself becomes large, which has the drawback of hindering portability as a pocket television. Moreover, even though the conventional light-shielding hood device is detachable from the liquid crystal panel of the LCD television receiver, the light-shielding hood device itself has a fixed hood, which makes it difficult to increase its size. However, there was also a problem with the portability of the light-shielding hood device itself.

SUMMARY OF THE INVENTION The present invention has been made to overcome these conventional drawbacks, and it is an object of the present invention to provide a light-shielding hood device for a liquid crystal television receiver that is convenient to carry.

Means for Solving the Problems The light-shielding hood device for a liquid crystal television receiver of the present invention has the following features:
A case body is detachably attached to a liquid crystal panel rotatably attached to the body of a liquid crystal television receiver, and a case body is rotatably supported at both left and right ends of the front opening of the case body and is always biased by a spring in the closing direction. 1st. a second hood plate, and these first hood plates. A third hood plate is rotatably supported at the upper end of the opening of the case body and is always biased by a spring in the opening direction so as to be closed by the spring biasing force of the second hood plate; 1. The spring force that biases the second hood plate in the closing direction is set to be greater than the spring force that biases the third hood plate in the opening direction. Second. Bent pieces are provided at the upper ends of the first and second hood plates so as to be able to engage with both ends of the third hood plate when the third hood plate is opened, and bent pieces are provided at the upper ends of the first and second hood plates. Second. The present invention is characterized in that, when the third hood plate is closed, the bent piece is inserted into a gap between the axis supporting the third hood plate and the case body.

Operation The present invention has the above-described configuration, and is capable of applying an external force to the third hood plate in the direction of the spring biasing force thereof.
By raising the hood plate of the first. The second hood plate is opened while contacting both ends of the third hood plate against the biasing force of the spring. Second. When the third hood plate is open, the first hood plate is opened. A bent piece provided at the upper end of the second hood plate engages with both ends of the first hood plate, and the first hood plate is engaged with both ends of the first hood plate. The spring biasing force that closes the second hood plate is thicker than the spring biasing force that opens the third hood plate, so that the third hood plate is pulled up and the first hood plate is drawn up. In order to oppose the spring biasing force of the second hood plate, the 1st, 2nd, and 2nd hood plates. The open state of the third hood plate can be maintained. On the other hand, the first. Second
．． When the third hood plate is opened, the third hood plate is pulled down against the spring biasing force of the first hood plate. Second. The hood plate is closed while being in contact with both ends of the third hood plate due to its spring biasing force, so that the hood plate is closed while being in contact with both ends of the third hood plate. When the third hood plate is in the closed state, the first hood plate is closed. The bent piece of the second hood plate enters the gap between the center of rotation of the third hood plate and the case body, and Since the spring biasing force that closes the second hood plate is greater than the spring biasing force that opens the third hood plate, the first hood plate described above. Second. The closed state of the third hood plate can be maintained. This makes it possible to easily open and close the hood plate, which is rotatably disposed on the case body, and combined with the fact that it can be detached from the liquid crystal panel of the liquid crystal television receiver body, makes it easy to open and close the hood plate. This means that you can improve your sexuality.

Embodiments Hereinafter, embodiments of the light-shielding hood device for a liquid crystal television receiver according to the present invention will be described with reference to the drawings.

Figures 1 to 4 show one embodiment of the present invention.
In the figures, reference numeral 1 designates a case body made of synthetic resin with an open back and constituting a light-shielding hood device, and has an opening 1ai on the front and an opening 1b on the bottom. Reference numeral 2 designates a first hood plate having a substantially triangular shape rotatably supported by a hinge metal fitting 3 provided on the right side of the opening 1a of the case body 1, and the first hood plate 2 is rotatably supported by a hinge metal fitting 3 provided on the right side of the opening 1a of the case body 1. The other end of a coil spring (not shown) provided on the shaft 4 for supporting the first hood plate 2 is connected to the first hood plate 2.
06 is a substantially triangular shape rotatably supported by a hinge fitting 6 provided on the left side of the opening 1a of the case body 1. The other end of a coil spring (not shown) is provided on the shaft 7 for supporting the second hood plate 5 such that one end abuts against the hinge fitting 8. By fixing to the inner surface of the second hood plate 5, a spring biasing force is applied in the direction of always closing the hood.

8 is a substantially trapezoidal third hood plate rotatably supported by a hinge fitting 9 provided on the upper side of the opening 12L of the case body 1; By abutting the other end of a coil spring (not shown) provided on the shaft 1o for supporting the plate 8 against the inner surface of the hood plate 8, a spring biasing force is applied in the direction of always opening the hood plate 8.

Above 1. The biasing force of the coil spring that biases the second hood plates 2 and 5 in a direction that always closes is set to be larger than the biasing force of the coil spring that biases the third hood plate 8 in a direction that always opens the third hood plate 8. There is. The third hood plate 8 is connected to the first hood plate 8.
．． The second hood plate 2.degree. second hood plate 2,
Sliding members 11a and 11b are provided in contact with the inner surface of the third hood plate 5 to smooth the movement of the third hood plate 8 itself.

Also, the above 1. The upper end portions of the second hood plates 2 and 5 are connected to the axis of the third hood plate 8 and the case body 1 when the second hood plates 2 and 5 are closed.
The bent pieces 21L and 52L enter into the gap A and are engaged with both ends of the third hood plate 8 when the bent pieces 21L and 52L are opened.
has been established.

Engagement pieces 12 & , 12b (engagement pieces 1 on the right side wall
2b (not shown) is provided protrudingly, and a metal fitting 1 having an engaging piece 132L is provided on the upper wall constituting the case body 1.
3 is fixed. Reference numeral 14 denotes a rotating plate disposed on the open back side of the case body 1, and the left and right support pieces 1
51L, a protruding shaft 162L, 1 protruding from the outer surface of 15b.
8b are provided in the left and right side walls of the case body 1 through holes 17&
, 17b, and are rotatably supported by being loosely fitted to each other. Note that the left support piece 1 of the rotating plate 14
52L is configured to be elastically deformable by making a cut 14&'i in the rotary plate 14 itself, and the protruding shafts 16&, 16b are inserted into the through holes 172L, 17b provided in the left and right side walls of the case body 1. In the fitted state, the rotating plate 14 is difficult to come off from the case body 1. Further, the left and right support pieces 15a of the rotating plate 14 are
, 1sb are provided with stopper pieces 182L and 18b on the outer surface of the case body 1, which come into contact with the slopes of the left and right side walls of the case body 1 and restrict the rotation of the rotation plate 14 toward the case body 1 side.
(The stopper piece 18b of the right support piece 16b is not shown) and the protrusions 19a, 19b (not shown) that enter into recesses provided on the inner surfaces of the left and right side walls of the case body 1 and hold the rotating plate 14 in a closed state. The right support piece 15b has a protrusion 19b (not shown). Further, a reflecting mirror 20 is provided on the entire inner surface of the rotating plate 14. 5 and 6 show the state in which the above-mentioned light-shielding hood device is attached to a liquid crystal television receiver. It has become so.

In such a configuration, the liquid crystal panel section 22 constituting the liquid crystal television receiver (2) is inserted through the bottom opening 1b of the case body 1 constituting the light-shielding hood device I in an open state. The engaging pieces 13a of the metal fitting 13 are engaged with the recesses provided in the upper part of the back surface, and the engaging pieces 12&, 12b of the case body 1 are engaged with the central portions of both sides of the back surface of the liquid crystal panel section 22, thereby blocking the light. A hood device I is attached to the liquid crystal panel section 22 of the liquid crystal television receiver (2). In this installed state, by applying an external force to the third hood plate 8 of the light-shielding hood device 1 in the direction of the spring biasing force, the first hood plate 8 is attached. The second hood plates 2 and 5 are in contact with both ends of the third hood plate 8, while the second hood plates 2 and 5 are in contact with both ends of the third hood plate 8. The second hood plates 2 and 5 are opened against the spring force urging them in the direction of closing, and both ends of the third hood plate 8 are opened against the first and second hood plates 8. It is engaged with the bent pieces 2a and 52L provided at the upper ends of the second hood plates 2 and 6. In this way, the above 1. Second. In the process of opening the third hood plate 2, 6.8, the sliding members 11a, 11b come into contact with the inner surfaces of the second hood plate 2, 6 at the 1st angle, so a large external force is not required for operation. In addition, in the open state, the first
．． The spring force in the direction of closing the second hood plate 2°5 is the third
The first hood plate 8 is thicker than the spring force in the direction of opening the second hood plate 8, and the third hood plate 8 has a second hood plate 8 on both sides. Second
The bent pieces 2a and sa of the hood plates 2 and 6 are engaged with each other, so that the first hood plates 2 and 6 are engaged with each other. In order to oppose the spring force in the direction of closing the second hood plates 2, 6, the first Second. Third hood plate 2,5.
8 remains open.

On the other hand, the above 1. Second. When the third hood plate 2, 6°8 is in the open state, an external force is applied to the third hood plate 8 against the spring biasing force thereof. The second hood plates 2 and 5 are closed with both ends of the third hood plate 8 in contact with their inner surfaces due to the biasing force of the springs. In this way, the first. Second. In the process of closing the third hood plate 2, 5.8, the sliding members 11+L, 11b are removed from the first hood plate 2, 5.8. Since it is in contact with the inner surface of the second hood plate 2.6, it does not require a large external force for operation, and in the closed state, the first hood plate 2.degree. Since the spring force in the direction of closing the second hood plates 2 and 6 is stronger than the spring force in the direction of opening the third hood plate 8, the first hood plate 8 is larger than the spring force in the direction of opening the third hood plate 8. 2nd ° 3rd hood plate 2, 6.8
The closed state is maintained.

Also, 1. Second. When the third hood plate 2, 5°8 is in the open state, when the rotating plate 14 provided on the back of the case body 1 constituting the light-shielding hood device I is opened, the rotating plate 14 is attached to the back of the liquid crystal panel section 22. The external light reflected by the reflective mirror 2Q provided on the inner surface of the LCD panel section 22 can be guided, and the TV screen on the LCD panel section 22 can be brightly illuminated in a state where the light is blocked to prevent disturbance light. It can be made easier.

In the above embodiment, a rotating plate 14 having a reflecting mirror 20 on the inner surface is provided on the open back surface of the case body 1 constituting the light-shielding hood device, but this rotating plate 14 is not particularly necessary. The reflecting mirror 20 can be replaced by an external light reflecting plate or a backlighting diffuser provided on the surface of the liquid crystal television receiver main body 21 facing the liquid crystal panel 22. Needless to say.

Effects of the Invention As described above, according to the present invention, there is provided a first case body which is supported so as to be able to open and close the front opening of the case body, which is detachably attached to the liquid crystal panel section which is rotatably attached to the body of the liquid crystal television receiver. ．． Second. Since the third hood plate is provided, it is possible to improve not only the portability of the liquid crystal television receiver itself but also the portability of the light shielding hood device itself. Moreover, the spring force that biases the first and second hood plates in the direction of closing is set to be larger than the spring force that biases the third hood plate in the direction of opening. Second. When the third hood plate is opened, the above-mentioned first. The bent pieces provided at the upper end of the second hood plate are engaged with both ends of the third hood plate, and the bent pieces provided at the upper end of the second hood plate are engaged with both ends of the third hood plate. Second. When the third hood plate is closed, the bent piece is inserted into the gap between the support shaft of the third hood plate and the case body, so that a light external force is applied to the third hood plate. The first thing to add. Second. This has the advantage that the third hood plate can be opened and closed.

[Brief explanation of drawings]

FIG. 1 is a front view showing an embodiment of the light-shielding hood device for a liquid crystal television receiver of the present invention, FIG. 2 is a side sectional view of the device, FIG. 3 is a top view of the device, and FIG. A bottom sectional view of the device, and FIGS. 5 and 6 are sectional views of essential parts showing a state in which the device is mounted on a liquid crystal television receiver. 1...Case body, 12L, 1b...
Opening, 2゜5.8...Hood plate, 21...
・・Body part of LCD television receiver, 22・・・・
・Liquid crystal channel part. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 133, 71-do version ε 0L opening diagram 4

Claims (1)

[Claims] A case body is detachably attached to a liquid crystal panel rotatably attached to the body of a liquid crystal television receiver, and a case body is rotatably supported at both left and right ends of the front opening of the case body and is always biased by a spring in the closing direction. and a first and second hood plate, which is rotatably supported at the upper end of the opening of the case body and always oriented in the opening direction so as to be closed by the spring biasing force of the first and second hood plates. A third hood plate biased by a spring is provided, and the spring force biasing the first and second hood plates in the closing direction is greater than the spring force biasing the third hood plate in the opening direction. At the same time, bending pieces are provided at the upper ends of the first and second hood plates so as to be able to engage with both ends of the third hood plate when the first, second and third hood plates are opened. and configured such that when the first, second, and third hood plates are closed, the bent piece is inserted into a gap between the axis supporting the third hood plate and the case body. Features a light-shielding hood device for LCD television receivers.