Sheet-metal screen panel of back projected television and manufacture method thereof

A manufacturing method and TV technology, applied to color TV parts, TV system parts, TVs, etc., can solve the problems of high production costs, save mold costs, improve market competitiveness, and save non-ferrous metal materials Effect

Inactive Publication Date: 2008-11-19
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to solve the technical problem of the high production cost of the screen frame of the digital light display rear projection TV in the prior art, and provide a sheet metal screen frame and its Manufacturing method

Method used

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  • Sheet-metal screen panel of back projected television and manufacture method thereof
  • Sheet-metal screen panel of back projected television and manufacture method thereof
  • Sheet-metal screen panel of back projected television and manufacture method thereof

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Embodiment Construction

[0021] figure 1 The basic structure of the preferred embodiment of the present invention is shown. The sheet metal screen frame of the rear projection TV set includes upper, lower, left, and right frame strips bent by sheet metal technology. The frame bars are welded to form a rectangular screen frame 1 . see figure 2 , image 3 , the inside of the folded edge perpendicular to the plane of the screen frame 1 on the frame strip is provided with a bent back cover fixing strip 2, and the back cover fixing strip 2 is parallel to the plane of the rectangular screen surface frame 1 There are screw holes 4 for locking the back cover on the folded edge, and the double-bending screen pressure strips are provided at intervals on the folded edge parallel to the plane of the screen surface frame 1 on the surface frame strip. Fixing seat 3, the outward flanging on this screen bead fixing seat has the screw hole 5 of locking screen bead. The surface frame strip, the back cover fixing s...

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PUM

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Abstract

The invention discloses a sheet metal screen surface frame of a rear projection television, including that the sheet metal is bent and butt jointed to form a surface frame strip of the rectangle screen surface frame; a folded rear cover fixing strip is arranged on the surface frame strip and is vertical to the inner side of the fold edge of the plane of the screen surface frame; a plurality of rear cover locking screw holes are in staggered arrangement on the rear cover fixing strip; a plurality of double folding screen layering strip fixing bases are in staggered arrangement on the surface frame strip and is in parallel with the inner side of the fold edge of the plane of the screen surface frame; a plurality of screw hole for locking the screen layering strips are in staggered arrangement on the screen layering strip fixing bases. The invention also discloses a manufacturing method of the sheet metal screen surface frame of the rear projection television. The sheet metal screen surface frame and the manufacturing method adopt the common sheet metal, use the sheet metal process to manufacture screen surface frame of the large-size rear projection television, saves the mould cost and the non-ferrous materials in the traditional process greatly and reduces the production cost; thereby, the market competitive power of the large-size rear projection television is improved.

Description

technical field [0001] The invention relates to a rear-projection television, in particular to a sheet metal screen frame of a rear-projection television and a manufacturing method thereof. Background technique [0002] Rear-projection televisions have large screen frames due to their large size, and known rear-projection frames are all manufactured by injection molds. For such a large injection mold, the mold opening cost is more than one million yuan, which makes the initial investment in product development too large, and the production and sales of rear-projection TVs are small, which increases the production of digital light-display rear-projection TVs. cost. This relationship between input and output is extremely unbalanced, which seriously affects the pace of new product development. "A Digital Light Display Rear Projection and Its Face Frame Manufacturing Method" published on December 15, 2004 proposed a method of using aluminum profiles to manufacture the screen f...

Claims

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Application Information

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IPC IPC(8): H04N5/64B23P15/00B21D5/00
Inventor 刘小娟
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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