JPH1093895A - Tray chassis - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the fitting intensity of a tray chassis loading a heavy object such as a recording/reproducing head and to facilitate the assembly of an electronic unit loading the heavy object. SOLUTION: Insertion parts 220 which are not easily dropped off from a part to be inserted in a front cabinet and a part to be inserted 170 in a rear cabinet 160, are constituted in lengths that are not easily broken by a drop shock and whose sections are almost L-shapes are provided at the back of the tray chassis 200 in two places which are former than the center of the tray chassis 200 and in three places at the back. A tray holder 230 which is constituted of a metallic plate and whose section is almost L shape is provided for at least one place among the insertion parts 220 along the inner face of the insertion part 220. The upper end part is bent and it is screw-fastened by a vis 231 and the like on the upper end face of the tray chassis 200.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a tray chassis. More specifically, for a television receiver equipped with a so-called video tape deck or the like, a recording / reproducing head or pickup, a disc deck, an electronic device equipped with a heavy object such as a turntable, etc. The present invention relates to a tray chassis mounting structure.

[0002]

2. Description of the Related Art FIG. 4 is a schematic exploded perspective view of a conventional television receiver integrated with a video deck for recording and reproduction, and this television receiver displays video and the like on the video deck for recording and reproduction. A television receiver is integrally formed, and a video deck unit 310 for recording an image on a video tape and reproducing the image recorded on the video tape.
Are mounted on the printed wiring board 300.

[0005] The video deck section 310 is relatively heavy compared to other electronic components such as a transformer, and the strength of the printed wiring board 300 is insufficient only by mounting it on the printed wiring board 300. For this reason, the printed wiring board 300 on which the video deck unit 310 is mounted is temporarily placed on the tray chassis 200.

FIGS. 5A and 5B are a schematic rear view and a schematic side view of the tray chassis 200, respectively, and FIG.
Is a schematic rear view in which the front cabinet 110 is partially broken, and FIG. 7 is a schematic rear view in which the rear cabinet 160 is partially broken.

[0005] On the back surface of the tray chassis 200, hook-shaped insertion portions 220 each having a substantially L-shaped cross section are provided at two places forward and three behind the center of the tray chassis 200.

The cabinet 100 is composed of a front cabinet 110 and a rear cabinet 160, which are two cabinet components.

On the bottom surface of the front cabinet 110, there is provided a step portion 130 projecting downward.
Two insertion parts 120 for inserting the insertion part 220 of the tray chassis 200 into the step part 130 are as follows.
It is opened toward the back side. In addition, a stepped portion 180 projecting downward is also provided on the bottom surface of the rear cabinet 160, and three inserted portions 170 are opened toward the back side of the stepped portion 180.

The insertion section 220 of the tray chassis 200
Are inserted into the insertion portion 220 provided on the front cabinet 110 and the insertion portion 170 provided on the rear cabinet 160, respectively, and are fastened and fixed to the front cabinet 110 and the rear cabinet 160 together with screws or the like. Was. In this manner, the tray chassis 200 is sandwiched between the front cabinet 110 and the rear cabinet 160, and is housed inside the cabinet 100 together with the cathode ray tube 400 and the like.

However, in this television receiver, after the insertion portion 220 of the tray chassis 200 is inserted into the insertion portion 120 of the front cabinet 110 or the insertion portion 170 of the rear cabinet 160, screws or the like (not shown) The assembly work was troublesome since it was necessary to fasten together.

If the length of the insertion portion 220 is short,
Due to a drop impact such as an earthquake, the insertion part 220 may come off the insertion part 120 (170), and the tray chassis 200 may come off the cabinet 100.

On the other hand, these insertion parts 220
Insertion portion 22 of tray chassis 200 to prevent falling off
When 0 is lengthened, since the tray chassis 200 and the tray chassis 200 are integrally molded from a plastic material, the drop impact may cause the insertion portion 220 to be broken and the tray chassis 200 to be detached from the cabinet 100.

The present invention has been made in view of the above-mentioned drawbacks of the prior art, and has as its object to improve the strength of the insertion portion of the tray chassis and to mount a heavy object on the tray chassis. An object of the present invention is to facilitate assembling of electronic devices and the like.

[0013]

SUMMARY OF THE INVENTION A tray chassis according to the present invention is a tray for mounting a heavy object in an electronic apparatus in which a heavy object is placed in a cabinet configured by combining a plurality of cabinet components. A chassis, comprising: an insertion portion inserted into the insertion portion opened in the cabinet constituent member; and a plate-shaped metal tray holder inserted into the insertion portion together with the insertion portion, wherein the tray holder Is set longer than the insertion part.

The thickness of the tray holder is as follows:
When the plug-in portion is inserted into the plug-in portion together with the plug-in portion, the plug-in portion is slightly larger than the gap between the bottom of the opened cabinet component and the inner surface of the plug-in portion, and is inserted due to deformation of the bottom portion and / or the plug-in portion. It is set to the extent that you can.

Further, another tray chassis according to the present invention is a tray chassis for mounting a heavy object in an electronic device in which a heavy object is placed in a cabinet configured by combining a plurality of cabinet components. In addition, there is provided a plate-shaped metal tray holder to be inserted into a plug-in portion formed in the cabinet component.

[0016]

FIG. 1 is a schematic rear view of a tray chassis 200 according to an embodiment of the present invention, and FIG. 2 is a diagram showing an insertion portion 220 of the tray chassis 200 inserted into an insertion portion 120 of a rear cabinet 160. FIG. 4 is a schematic enlarged explanatory view showing a state of stagnation. Hereinafter, description will be given with reference to the drawings.

The tray chassis 200 is substantially the same as the conventional example, and is formed in a substantially square frame shape from a plastic material.
The reinforcing frame 210 is provided diagonally. The printed wiring board 300 on which the video deck 310 is mounted is placed on the surface of the tray chassis 200, and is fixed to the tray chassis 200 by screws (not shown) or the like.

On the back surface of the tray chassis 200, two hook-shaped insertion portions 220 each having a substantially L-shaped cross section are provided in two places in front of the center of the tray chassis 200 and three places in back. These insertion portions 220 are formed integrally with the tray chassis 200. In addition, a gap is formed between the inner surface of the insertion portion 220 and the bottom surface of the front cabinet 110 or the bottom surface of the rear cabinet 160.

At least one of the five insertion portions 220, for example, in the present embodiment, at the rear right insertion portion 220 of the tray chassis 200, a tray holder 230 is provided along the inner surface of the insertion portion 220. Installed.

The tray holder 230 is made of a metal plate having a certain strength such as stainless steel, and has a substantially crank-shaped cross section along the inner surface of the insertion portion 220. That is, as shown in FIG. 2, the mounting portion 232 for mounting to the tray chassis 200
And an extension portion 233 extending from the attachment portion 232 in a substantially L-shape.

The tray holder 230 has a screw 23
It is attached to the tray chassis 200 by 1 or the like.
At this time, the extending portion 233 extends along the inner surface of the insertion portion 170.

The extension 233 of the tray holder 230
At least it is formed so as to protrude from the insertion portion 220. That is, the extension portion 233 of the tray holder 230
Is set longer by the insertion section 220. Further, since the tray holder 230 is made of a metal plate, it is not broken by a drop impact.

The thickness of the tray holder 230 is slightly larger than the distance between the bottom of the rear cabinet 160 where the plug-in portion 170 is opened and the inner surface of the plug-in portion 220, and the extension portion 233 is formed together with the plug-in portion 220. It is set to such an extent that when inserted into the inserted portion 170, it can be inserted by deformation of the bottom portion and the insertion portion 220.

Therefore, when the insertion portion 220 is inserted into the insertion portion 170 together with the tray holder 230, the gap between the bottom portion and the inner surface of the insertion portion 220 is slightly widened, and the elasticity of the bottom portion and the insertion portion 220 is increased. By force
The bottom of the rear cabinet 160 is the tray holder 200
And the tray holder 230 are firmly sandwiched.

First, the front cabinet 1
The insertion portions 220 provided in front of the tray chassis 200 are inserted into the ten insertion portions 220. afterwards,
The insertion portion 22 provided at the rear of the tray chassis 200
0 is inserted into the insertion portion 220 of the rear cabinet 160, the front cabinet 110 and the rear cabinet 160 are aligned, and both are screwed with screws (not shown) or the like. In this way, the tray chassis 200 is sandwiched between the front cabinet 110 and the rear cabinet 160, and the CRT 400
Together with the interior of the cabinet 100.

As described above, the tray chassis 2 according to the present invention
00, the insertion portion 22 of the tray chassis 200
0 is the rear cabinet 1 with the tray holder 230
Since the tray chassis 200 is firmly inserted into the insertion portion 170 on the bottom surface of the
It does not easily deviate from zero. Therefore, the tray chassis 200 is not tightened together.
Can be housed in the cabinet 100, and assembly of the television receiver can be facilitated. Further, the tray holder 230 inserted into the insertion portion 170 does not break even by a drop impact.
The tray holder 230 does not fall out of the tray 70, and the strength against a drop impact or the like can be improved.

In the above-described embodiment, the case where the tray holder 230 is provided in one insertion portion 220 has been described. However, the tray holder 230 may be provided in all the insertion portions 220. , Which position of the tray 220
Is provided, the effect of the present invention can be achieved.

Further, the tray holder 230 is inserted into the insertion portion 2.
Although the case where it is provided on the inner surface of 20 has been described, the insertion part 220 is not always necessary, and only the tray holder 230 may be inserted into the insertion part 120 as shown in FIG. In this case, the tray holder 23
0 to prevent the tray chassis 200 from easily dropping out of the insertion portion 120.
Preferably, the height of the inner surface of 30 is slightly smaller than the sum of the thickness of the bottom surface of rear cabinet 160 and the height of tray chassis 200.

Further, in each of the above embodiments, the tray holder 230 is formed to have a substantially L-shaped cross section, but the tray holder 230 has a gap between the insertion portion 220 and the bottom surface of the front cabinet 110 or the bottom surface of the rear cabinet 160. And the tray chassis 200 may be fixed to the inner surface of the insertion portion 220 with an adhesive or the like.

[0030]

A tray chassis according to the present invention is a tray chassis for mounting a heavy object in an electronic device in which a heavy object is placed in a cabinet constituted by combining a plurality of cabinet components. A plug-in portion to be inserted into the plug-in portion opened in the cabinet component, and a plate-shaped metal tray holder that is inserted into the plug-in portion together with the plug-in portion, wherein the tray holder is inserted from the plug-in portion. It is set long.

Therefore, in the case of the tray chassis according to the present invention, the tray chassis can be housed in the cabinet without the tray chassis being fastened to the cabinet, so that the electronic device can be easily assembled.

Further, since the tray holder is made of metal, it is not broken by a drop impact or the like, so that the strength against the impact can be improved.

Further, the thickness of the tray holder is such that when the tray holder is inserted into the inserted portion together with the inserted portion,
The insertion portion is set to be slightly larger than the gap between the bottom portion of the opened cabinet component and the inner surface of the insertion portion, and is set to such an extent that the insertion portion can be inserted by deformation of the bottom portion and / or the insertion portion.

Therefore, when the insertion portion is inserted into the insertion portion together with the tray holder, the gap between the insertion portion and the inner surface of the insertion portion is slightly widened, and the elastic force of the bottom portion and the insertion portion causes the bottom surface of the rear cabinet. Is firmly sandwiched between the tray holders, so that the tray chassis can be more securely attached to the cabinet.

Further, the tray chassis can be attached to the cabinet only by a plate-shaped metal tray holder to be inserted into the inserted portion formed in the cabinet component. In this case, since there is no need to form an insertion portion in the tray chassis, the configuration of the tray chassis can be simplified.

[Brief description of the drawings]

FIG. 1 is a schematic rear view of a tray chassis according to an embodiment of the present invention.

FIG. 2 is a schematic enlarged explanatory view showing a state where the insertion portion of the above tray chassis is inserted into the insertion portion of the rear cabinet.

FIG. 3 is a schematic enlarged explanatory view showing a state in which the insertion portion of the tray chassis according to another embodiment of the present invention is inserted into the insertion portion of the rear cabinet.

FIG. 4 is a schematic exploded perspective view of a conventional television receiver which is an electronic device on which a heavy object is mounted.

FIGS. 5 (a) and 5 (b) are a schematic rear view and a side view of a tray chassis used in the television receiver of the above.

FIG. 6 is a schematic partially cutaway rear view of a front cabinet used in the television receiver of the above.

FIG. 7 is a schematic partially broken rear view of a rear cabinet used in the television receiver of the above.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 cabinet 110 front cabinet 120 front cabinet insertion section 160 rear cabinet 170 rear cabinet insertion section 200 tray chassis 220 insertion section 230 tray holder

Claims (3)

[Claims] 1. A tray chassis for mounting a heavy object in an electronic device in which a heavy object is placed in a cabinet configured by combining a plurality of cabinet members, wherein the tray chassis is installed on the cabinet member. And a plate-shaped metal tray holder inserted into the inserted portion together with the inserted portion, wherein the tray holder is longer than the inserted portion. Chassis. 2. The tray holder according to claim 1, wherein the thickness of the tray holder is slightly larger than the distance between the bottom of the cabinet component in which the plug-in portion is opened and the inner surface of the plug-in portion when the tray holder is inserted together with the plug-in portion. 2. The tray chassis according to claim 1, wherein the tray chassis is large enough to be inserted by deformation of the bottom portion and / or the insertion portion. 3. A tray chassis for mounting a heavy object in an electronic device in which a heavy object is placed in a cabinet configured by combining a plurality of cabinet members, wherein the tray chassis is installed on the cabinet member. A tray chassis comprising a plate-shaped metal tray holder inserted into the inserted portion.