JPH044478U

JPH044478U -

Info

Publication number: JPH044478U
Application number: JP4527190U
Authority: JP
Priority date: 1990-04-27
Filing date: 1990-04-27
Publication date: 1992-01-16

Description

[Brief explanation of the drawing]

第１図ａ及びｂは本考案に係るスクリーン支持
構造の第１実施例における要部の初期状態とスク
リーン膨張状態を示す各拡大断面図、第２図ａ及
びｂは同第２実施例に係る要部の初期状態とスク
リーン膨張状態を示す各拡大断面図、第３図は第
１実施例を適用したプロジエクシヨンテレビの一
例を示す縦断側面図、第４図ａ及びｂは第３実施
例を適用したプロジエクシヨンテレビの正面図と
側面図、第５図はそのスクリーン枠体の上部中央
における支持構造を示す一部破断の拡大斜視図、
第６図は同スクリーン枠体下部の支持構造を示す
拡大斜視図、第７図ａ及びｂは同スクリーン枠体
両側部の支持構造を示す一部破断の拡大正面図と
その縦断側面図、第８図は同スクリーン枠体下部
両側方の支持構造を示す拡大縦断側面図、第９図
は従来例に係るスクリーンの枠体に対する固定構
造例を示す縦断側面図、第１０図ａ及びｂは同じ
く従来例に係るスクリーン枠体のキヤビネツト本
体に対する両側部での固定構造例を示す一部破断
の正面図とその縦断側面図、第１１図は同下部で
の固定構造を示す縦断側面図である。１……キヤビネツト本体、２……スクリーン組
み付け開口周片、３……棚部、４……カラー挿通
孔、５……投写部、６……投写管、７……投写レ
ンズ、８……鏡、１１……スクリーン、１２……
スクリーンホルダ、１５，１６……弾性体、１７
……係合溝、２１……スクリーン枠体、２３……
切欠部、２４……ピン孔、２６，２７……ガイド
孔、３１……位置決め板、３４……位置決めピン
、３５，３７……固着具（ねじ）、３９……カラ
ー、Ｓ_１，Ｓ_２，Ｓ_３……空間部。 1A and 1B are enlarged cross-sectional views showing the initial state of the main parts and the screen expansion state in the first embodiment of the screen support structure according to the present invention, and FIGS. 2A and 2B are the same according to the second embodiment. Each enlarged sectional view shows the initial state of the main part and the expanded state of the screen, FIG. 3 is a vertical sectional side view showing an example of a projection television to which the first embodiment is applied, and FIGS. 4 a and b show the third embodiment. 5 is a partially cutaway enlarged perspective view showing the support structure at the upper center of the screen frame,
FIG. 6 is an enlarged perspective view showing the support structure at the bottom of the screen frame, FIGS. Fig. 8 is an enlarged longitudinal sectional side view showing the supporting structure on both sides of the lower part of the screen frame, Fig. 9 is a longitudinal sectional side view showing an example of the fixing structure of the screen to the frame according to the conventional example, and Fig. 10 a and b are the same. FIG. 11 is a partially cutaway front view and a vertical side view showing an example of a structure for fixing a screen frame body to a cabinet main body at both sides according to a conventional example, and FIG. 1... Cabinet body, 2... Screen assembly opening peripheral piece, 3... Shelf, 4... Collar insertion hole, 5... Projection section, 6... Projection tube, 7... Projection lens, 8... Mirror , 11...screen, 12...
Screen holder, 15, 16...Elastic body, 17
...Engagement groove, 21...Screen frame, 23...
Notch, 24... Pin hole, 26, 27... Guide hole, 31... Positioning plate, 34... Positioning pin, 35, 37... Fastener (screw), 39... Collar, S ₁ , S ₂ , S ₃ ... space part.

Claims

[Scope of Claim for Utility Model Registration] 1. In a projection television that projects light from a projection part inside the cabinet body to the back side of a screen assembled to the cabinet body, 1. A screen support structure for a projection television, characterized in that the screen support structure is assembled via a member or mechanism that absorbs expansion and contraction of the screen. 2. The screen in a projection television according to claim 1, wherein a frame surrounding the screen is fixed to the cabinet main body, and an elastic body is interposed between the frame and the periphery of the screen. Support structure. 3. A fixing device is attached to either one of the frame body that fits and holds the periphery of the screen and the cabinet body, and a fixing device is attached to the other side.
2. The screen support structure for a projection television according to claim 1, further comprising a space through which the fixing tool is inserted and allowing relative displacement in vertical and horizontal directions due to expansion and contraction of the screen of the fixing tool.