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Screen board support

A technology of curtain panels and poles, applied in the direction of machine/stand, support machine, optics, etc., can solve problems such as user inconvenience, and achieve the effect of easy portability and wide use places

Inactive Publication Date: 2014-05-14
JIANGSU REDLEAF AUDIO & VISUAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when performing projection, it is often necessary to adjust the position of the projection screen, which brings certain inconvenience to the user.

Method used

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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the implementations shown in the drawings, but it should be noted that these implementations are not limitations of the present invention, and those of ordinary skill in the art based on the functions, methods, or structural changes made by these implementations Equivalent transformations or substitutions all fall within the protection scope of the present invention.

[0021] like figure 1 As shown, the curtain panel support 100 of the present invention includes: an upper vertical rod 10 and a lower vertical rod 11, one end of the upper vertical rod 10 is accommodated in the lower vertical rod 11, and can slide along the lower vertical rod 11, One end of the lower vertical rod 11 is fixed with a positioning device 12, and the positioning device 12 includes a fixed seat 121 fixed on the end of the lower vertical rod 11, and a first adjustment pivotally connected with the fixed seat 121. Wrench 1...

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Abstract

The invention provides a screen board support. The screen board support comprises an upper vertical rod and a lower vertical rod, wherein one end of the upper vertical rod is contained in the lower vertical rod and can slide along the lower vertical rod, a positioning device is fixed at one end of the lower vertical rod and comprises a fixed base, a first adjusting spanner, a handle positioning device and a foldable support base, the fixed base is fixed to the end of the lower vertical rod, the first adjusting spanner is connected with the fixed base through a pivot, and when the first adjusting spanner is located at the original position, the upper vertical rod is locked by the first adjusting spanner; the handle positioning device is arranged on the lower vertical rod in a sliding mode; the foldable support base is arranged at the lower end of the lower vertical rod. The screen board can flexibly adjust the height of a project screen and is firm, reliable, wide in use range and convenient to carry and use.

Description

technical field [0001] The invention relates to the field of projection equipment, in particular to a bracket for a curtain plate. Background technique [0002] The projection device generally includes a projector and a projection screen. Among them, a projector, also known as a projector, is a device that can project images or videos onto a projection screen for display, and is widely used in many fields such as conferences, teaching, advertisements, and exhibitions. Because, when the projector performs projection on the projection screen, the two have a certain projection positional relationship. Therefore, when performing projection, it is often necessary to adjust the position of the projection screen, which brings some inconvenience to users. [0003] Therefore, it is necessary to propose a curtain panel support for supporting the above-mentioned projection screen. Contents of the invention [0004] The object of the present invention is to provide a curtain panel ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16M11/28F16M11/04G03B21/54
Inventor 姜国梁沈瑜沈姣陶春燕姜茂德陈浩
Owner JIANGSU REDLEAF AUDIO & VISUAL EQUIP
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