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Projection screen semi-automatic fixing device and application thereof

A technology for fixing devices and projection screens, applied in projection devices, optics, instruments, etc., can solve the problems of inconvenient disassembly and use, and achieve the effect of convenient use and stable movement up and down

Inactive Publication Date: 2012-05-16
极品影视设备科技(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the wall-mounted projection screens that are common on the market are fixed with screws between the projection screen shell and the hanger on the wall. Every time you disassemble and assemble, you need to remove the screws, and then you can move the projection screen. It is very inconvenient to disassemble and assemble, and when using projection screens of different specifications, the hanger must be adjusted accordingly, which is very inconvenient to use

Method used

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  • Projection screen semi-automatic fixing device and application thereof
  • Projection screen semi-automatic fixing device and application thereof
  • Projection screen semi-automatic fixing device and application thereof

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Embodiment Construction

[0027] The projection screen semi-automatic fixing device described in the present invention will be described in detail below in conjunction with the accompanying drawings. Any additions, subtractions, substitutions and improvements made within the spirit of the invention described in the present invention are within the technical solutions claimed by the present invention.

[0028] Such as figure 1 As shown, the projection screen semi-automatic fixing device of the present invention includes a pendant 1 arranged behind the projection screen housing, a hanger 2 fixed on the wall and an expansion screw 3 for fixing the hanger, wherein the pendant 1 is There is a recessed first slot 10 and a protruding second buckle 11. The hanger 2 is in an inverted "L" shape, and a first buckle 20 and a first buckle 20 that match the first slot 10 are provided on it The second card slot 21 matched with the second buckle 11 . Specifically, the second slot 21 on the hanger 2 is located on the...

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PUM

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Abstract

The invention provides a fixing device which facilitates mounting and dismounting of a projection screen housing and a suspension member without using a screw for fixing. The invention provides a projection screen semi-automatic fixing device which comprises the suspension member provided behind the projection screen housing, the suspension member fixed on a wall and an expansion screw used for fixing a hanger. Through mutual cooperation between the suspension member and a buckle and a neck on the hanger, a projection screen is fixed. The neck on the hanger is positioned on a support member, the support member can move up and down in a certain extent through a spring, thus the mounting and dismounting of the projection screen housing are facilitated. According to the projection screen semi-automatic fixing device, no screw is needed to be used for fixing, mounting and dismounting are convenient, operation is simple, and the projection screen semi-automatic fixing device has wide application prospect.

Description

technical field [0001] The invention relates to a projection screen fixing device, in particular to a fixing device which facilitates installation and removal of a projection screen from a wall hanger, and its application in a projection screen, belonging to the technical field of projection equipment. Background technique [0002] The projection screen is one of the most commonly used products in the peripheral equipment of the projector. The projection screen is the abbreviation of the projection screen; if the projection screen is properly matched with the projector, high-quality projection effects can be obtained. With the improvement of people's living standards, projection screens have gradually entered homes and businesses due to their convenience and speed. The projection screens in the prior art are all used by projectors to project influences onto the projection screens to meet the needs of demonstration or projection in daily life. [0003] Projection screens can...

Claims

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Application Information

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IPC IPC(8): G03B21/56F16M13/02
Inventor 陈长秀
Owner 极品影视设备科技(深圳)有限公司
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