JPS5910633B2 - television receiver - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a television receiver, and an object of the present invention is to provide a television receiver that can be easily assembled and whose chassis together with a cathode ray tube can be exposed in front of a cabinet during service. It is something.

FIGS. 1 and 2 schematically show the configuration of a conventional television receiver.

Here, 1 is a cabinet, 2 is a front plate which has holes 3 and 4 for attaching a picture tube and a tuner block (not shown) and also serves as reinforcement for the cabinet 1, and 5 is a hole for a handle. Here, the cabinet 1 has its tip bent as shown in FIG. 2, and the front plate 2 is fixed so that the bent tip surface is in contact with the inner surface of the cabinet.Furthermore, in order to ensure this fixation, the roots 6 are attached to the cabinet 1. 1 and the front plate 2 by adhesive. Therefore, the front plate 2 is configured not to be removed from the cabinet 1. The configuration of a conventional television receiver will be explained in more detail with reference to FIG.

The front plate 2 and the roots 6 are fixed to the cabinet 1 and the front plate 4, respectively, as described above. Here, T is a picture tube, 8 is a lug for fixing the picture tube, and 9 is a fixture fixed to the front plate 2 with screws, etc., and the screws 10 are integrated by insert processing. And the picture tube T is screwed into the screw 1.
The lug 8 inserted into the lug 8 is indirectly fixed to the front plate 2 by screwing the nut 11 onto the screw 10. Note 12
1 is an escutcheon, 13 is a chassis supported by the front plate 2, 14 is a printed board for a picture tube, and 15 is a back cover. As mentioned above, in the conventional television receiver, the front plate 2 was fixed to the cabinet 1 and the picture tube T was fixed to the front plate 2. Therefore, during service, the back cover 16 was removed and the chassis 14 was opened from the rear of the cabinet 1. It was pulled outside for inspection and repairs.

However, in this state, it is impossible to make adjustments while looking at the screen of the picture tube 7, which poses a problem in that it is practically inconvenient. Also,
As for the assembly method, after fixing the fixture 9 to the front plate 2 fixed to the cabinet 1 from the rear of the cabinet 1, the picture tube 7 is fixed to the fixture 9. This has the drawback of poor workability because it must be inserted inside the cabinet 1 and tightened to the screw 10 using the nut 11.

The present invention eliminates the above-mentioned drawbacks of the conventional art, and the front plate for fixing the picture tube, tuner, chassis, etc. is removably fixed to the cabinet using a mounting tool that rotates by a hinge effect. It can be opened towards the front of the cabinet.

An example of this will be described below with reference to FIGS. 4 to 11.

In FIGS. 4A and 4B, 21 is a cabinet whose tip is bent inward, and a core is inserted between the bent part and the inside. Here, the illustrated portion shows the left side of the top end of the cabinet. 22 is a groove formed on the inner surface of the tip of the cabinet 21; 23 is a fixture fixed to the cabinet 21 so as to cover this groove 22; A second hole 23b, which is narrower in width than the first hole 23a and has a substantially rectangular shape, is formed continuously to the hole 23a and the first hole 23a.

24 is a front plate on which a mounting body with screw inserts is fixed as shown in FIGS. 9 and 10;
A locking portion 25 is formed at the end that comes into contact with 3.

In FIG. 5, 26 connects the front plate 24 to the cabinet 2.
This is a fitting for removably fixing the device to the device 1. It has an operating piece 26b integrally in the center of a substantially U-shaped portion having a pair of locking pieces 26a, and a cut groove 27 is formed in this operating piece 26b. At this time, the hinge portion 26c is formed by making a portion thinner than other portions.

Here, as shown in FIGS. 4A and 4B, the locking portion 25 is a recess 25a that serves as an insertion guide opening of the approximately U-shaped portion of the fixture 26, and is continuous with the recess 25a and extends horizontally and horizontally from the U-shaped portion. A protruding piece 25c that forms a gap 25b for vertically movable clamping, a protruding part 25d that engages with one locking part 26a of the substantially U-shaped part, and a vertical part of the operating piece part 26b of the mounting tool 26. It is composed of a cutout portion 25e that allows movement in the direction.

Next, the assembly method will be explained. Here, the front 24
The picture tube is fixed to the back side with screws and nuts.

Therefore, as shown in FIG.
The end surface of the front plate 24 is fixed with the fixing tool 2 so that the recess 25a corresponds to the second hole 23b, and the gap 25b corresponds to the second hole 23b.
3 and the cabinet 21. In this state, the substantially U-shaped part of the fixture 26 is fitted into the recess 25a, and the fixture 26 is moved in the direction of being located in the cabinet 21. As a result, one of the locking pieces 26a passes through the first hole 23a and the groove 2
2, and the other locking portion 26a collides with the protrusion 25d. Next, the fixture 26 is pushed down to position one of the locking pieces 26a in the second hole 23b, and the fixture 26 is
One of the locking portions 26a is engaged with the other locking piece 26a, and the other locking piece 26a is engaged with the protrusion 25d to close the gap 25.
Place it at b. At this time, the operation piece 26b is connected to the notch 25.
Located within e. This state is shown in FIG. As a result, the fixture 26 no longer moves in the three directions parallel to the surface of the cabinet 21 and in the direction perpendicular to the surface of the cabinet 21, and the cabinet 21 and the front plate 24 are securely connected by the fixture 26. Ru. Here, since the mounting tool 26 has a hinge function, the front plate 24 can be rotated forward as shown in FIG.

At this time, on the right side of the cabinet 21, use a fixture that does not have a hinge function, and similarly connect the cabinet 21 and the front plate 2.
3 may be connected, or a fitting having a hinge function similar to the above-mentioned fitting may be used for connection. In this way, the front plate 24 can be opened in either the left or right direction. In addition, the groove 22 and the fixture 23
By performing this process on the tips of the top and bottom surfaces of the cabinet, the front plate 24 can be opened and closed around the top or bottom end. Figures 9 and 10 show this state.
As described above, the picture tube 28 is fixed to the mounting body 29 fixed to the back surface of the front plate 24 with screws and nuts (not shown). The chassis 30 and tuner 31 are also attached to the front plate 24 in the same way. Here, cabinet 2
1, and pull the right end of the front plate 24 toward you, the front plate 24 will rotate due to the hinge action of the fixture 26, and the chassis 30 will move into the cabinet 21.
pulled out in front of. Therefore, during service, it is possible to perform inspections and adjustments while directly viewing the screen of the picture tube 30. Also, the installation of the picture tube 28 is
8 is attached to the front plate 24 in advance, and the mounting tool 26 is
It can be fixed to the cabinet 21 by using the mounting tool 26, and since the fixing can be performed by fitting and moving the mounting tool 26, the assembly workability is also improved. Further, since the picture tube 30 can be inserted from the front side of the cabinet 21 and fixed from the front side, the work efficiency is improved. In addition, Fig. 9, 1st
In FIG. 0, 32 is a printed board for a picture tube.

11A and 11B are examples in which a fixture 26 having a hinge function is attached to both the left and right sides of the cabinet 21. FIG.

According to the above configuration, the picture tube 28, chassis 30, tuner 31, etc. can be attached to the front plate 24 from one direction, and after this, the front plate 24 can be attached to the cabinet 21 using the mounting tool 26. Therefore, the workability of assembly is greatly improved.

Furthermore, since the front plate 24 can be opened in front of the cabinet 21 and the chassis 30 can be pulled out together with the picture tube 28 in front of the cabinet 21, adjustments can be made while directly viewing the screen during service. As described above, according to the present invention, since the front plate to which the picture tube, chassis, tuner, etc. are fixed opens forward, adjustments can be made while directly looking at the screen during service, and the front plate can be fixed to the cabinet easily. Also, a groove is provided in the cabinet, a fixture having first and second holes is attached opposite to this groove, and the front plate is provided with a recess, a gap, and a protruding piece facing the first and second holes. , a locking part having a notch and a protrusion, a substantially U-shaped fixture is fitted and engaged with the fixture and the locking part, and the hinge part of the fixture allows the fixture to be opened and closed freely. As a result, the mounting can be performed by fitting and moving the fixture from the front surface of the cabinet without using screws, resulting in good workability.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the schematic configuration of a television receiver;
The figure is a cross-sectional view showing how the front plate is attached to a conventional cabinet, and Figure 3 is a cross-sectional view of the main parts of a conventional television receiver.
4A and 4b are perspective views of essential parts of a television receiver according to an embodiment of the present invention, and a view taken from the direction of arrow A; FIG. 5 is a perspective view of a fixture used in the same receiver; Figure, 7th
The figure is a diagram for explaining the assembly method, Figures 8, 9, and 10 are perspective views and sectional views for explaining the function of the receiver, and Figures 11A and b are diagrams of the receiver. FIG. 3 is a perspective view of main parts. 21... Cabinet, 22... Groove,
23...Fixing tool, 23a...First hole, 23b...Second hole, 24...Front plate, 25... - Locking part, 25a... recessed part,
25b...Gap, 25c...Protruding piece,
25d... Protrusion, 25e... Notch,
26... Mounting tool, 26a... Locking piece part, 26b... Operation piece part, 26c... Hinge part, 27... Cut groove, 28... Picture tube, 30... Chassis.

Claims (1)

[Claims] 1 A groove is formed in the inner wall of the front part of the cabinet, and a first hole having a substantially rectangular shape facing the groove, and a second hole communicating below the first hole and narrower in width than the first hole. A fixing device having a hole formed therein is fixed to the inner wall of the cabinet facing the groove, a front plate to which a cathode ray tube is attached is fitted to the front part of the cabinet, and a part of the front plate facing the fixing device is fixed to the inner wall of the cabinet. a recess facing the first hole, and a gap communicating below the recess and facing the second hole;
A lock consisting of a protruding piece that becomes the front wall of this gap, a notch formed by cutting out the side end surface of this protruding piece, and a protrusion for locking a fixture formed from the recessed part to the gap. the cabinet by passing one locking piece of a substantially U-shaped fixture through the first hole, positioning it in the second hole, and engaging with the fixture. The other locking piece of the fixture is passed through the recess, positioned in the gap, and engaged with the protrusion, thereby locking the front plate. A television receiver, wherein a hinge portion is formed in the center, and the front plate is attached to the front part of the cabinet using the mounting tool so as to be openable and closable.