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Liftable placement trolley for projectors

A projector and wheel technology, applied in the field of teaching equipment, can solve problems such as projector resource waste, and achieve the effect of preventing shaking

Inactive Publication Date: 2016-06-15
李海秀
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, with the development of informatization, projectors have been widely used in teaching. The current projectors are generally hung on the top of the classroom. Not every class needs a projector. Sometimes the projector is idle and causes a waste of resources.

Method used

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  • Liftable placement trolley for projectors

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0010] like figure 1 As shown, the liftable projector placement car includes a base 1 and wheels 2. The base 1 is provided with symmetrical support columns 3, and the top between the support columns 3 is provided with a support beam 4, and one of the support columns 3 is provided with a Reversing pulley 5, a lifting pulley 6 is provided below the support beam 4, a winding handle 7 is arranged on the base below the reversing pulley 5, and the clamping block 8 provided on the base 1 corresponds to the fixing hole 9 of the winding handle 7, The winding handle 7 is wound with a stay cord 10, and the other end of the stay cord 10 is connected to the hanging box 11 at the bottom of the lift pulley 6 through the reversing pulley 5 and the lift pulley 6 respectively, and one side of the clamping block 8 is connected with the spring 12, and The spring 12 is located in the spring cavity 13 .

[0011] The above descriptions are only illustrative specific implementations of the present i...

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PUM

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Abstract

The invention discloses a liftable projector placement cart, which includes a base and wheels, symmetrical support columns are arranged on the base, support beams are arranged on the top between the support columns, and a direction-changing pulley is arranged on the outside of one of the support columns. There is a lifting pulley under the support beam, and a winding handle is arranged on the base below the direction-changing pulley. The clamping block set on the base corresponds to the fixing hole of the winding handle, and a pull rope is wound on the winding handle. The other end of the pull rope They are respectively connected to the hanging box at the bottom of the lifting pulley through the direction changing pulley, the lifting pulley and the lifting pulley. The invention realizes adjusting the height of the hanging box by wrapping the handle, and the hanging box is used to accommodate the projector, so that the projector can be moved and carried, and is convenient to be used in different classrooms.

Description

technical field [0001] The invention relates to a teaching equipment, in particular to a liftable projector placement cart. Background technique [0002] A projector, also known as a projector, is a device that can project images or videos onto a screen. It can be connected to a computer, VCD, DVD, BD, game console, DV, etc. through different interfaces to play the corresponding video signal. Projectors are widely used in homes, offices, schools and entertainment venues. [0003] At present, with the development of informatization, projectors have been widely used in teaching. The current projectors are generally hung on the top of the classroom. Not every class needs a projector, and sometimes the projector is idle, which causes a waste of resources. Contents of the invention [0004] In order to solve the above problems, the object of the present invention is to provide a liftable projector placement cart. [0005] In order to achieve the above object in the present in...

Claims

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Application Information

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IPC IPC(8): F16M11/42F16M11/18G03B21/54G09B5/02
CPCF16M11/42F16M11/18G03B21/54G09B5/02
Inventor 李海秀
Owner 李海秀