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Teaching demonstration device

The technology of a demonstration device and a display stand, which is applied in the field of teaching auxiliary equipment, can solve the problems of inconvenient frame fixing, lack of height adjustment, and lack of flexible adjustment of display objects, so as to achieve the effect of avoiding front and rear movement and convenient positioning

Inactive Publication Date: 2021-03-16
SHANDONG LABOR VOCATIONAL & TECHN COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the above technical problems, the present invention provides a teaching demonstration device to solve the problem that the existing teaching demonstration devices do not have the ability to flexibly adjust the height of the displayed objects according to the needs, and do not have the ability to adjust the height of the device according to the needs, which is inconvenient The problem of flexible movement of the device and inconvenient fixing of the frame according to requirements

Method used

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Experimental program
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Embodiment

[0041] as attached figure 1 And attached Figure 4shown

[0042] The present invention provides a teaching demonstration device, which includes a storage frame 1, an adjustable lifting frame structure 2, a labor-saving mobile frame structure 3, a longitudinal limit frame 4, a lifting display frame structure 5, a side positioning intubation tube 6, and a bump 7. Movable cover plate 8, inverted U-shaped frame 9, automatic limit frame structure 10, storage frame 11, display screen 12, side frame 13, writing board 14, rubber pad 15, battery 16 and control button 17, described The adjustable lifting frame structure 2 is installed at the lower four corners of the storage frame 1; the labor-saving mobile frame structure 3 is installed at the bottom of the adjustable lifting frame structure 2; the longitudinal limit frame 4 screws are installed on the storage frame 1 The left and right sides of the inner wall; the lift display rack structure 5 is installed on the inside of the stora...

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Abstract

The invention provides a teaching demonstration device, which comprises a storage frame, adjustable lifting frame structures, labor-saving moving frame structures, longitudinal limiting frames, a lifting display frame structure, a side edge positioning insertion pipe, a convex block, a movable cover plate, an inverted U-shaped frame, an automatic limiting frame structure, a storage frame, a display screen, a side edge insertion frame, a writing board, a rubber cushion block, a storage battery and a control button. The adjustable lifting frame structures are installed at the four corners of thelower portion of the storage frame; the labor-saving moving frame structures are mounted below the adjustable lifting frame structures; the longitudinal limiting frames are installed on the left sideand the right side of the inner wall of the storage frame through screws. Stretching air cylinders are inserted into the left side and the right side of the bottom of the storage frame, meanwhile, the upper portions of the stretching air cylinders are in bolted connection with a connecting plate, the stretching air cylinders can be conveniently used for driving the display frame to flexibly ascend and descend according to needs during use, and display objects in the display frame are conveniently displayed.

Description

technical field [0001] The invention belongs to the technical field of teaching auxiliary equipment, in particular to a teaching demonstration device. Background technique [0002] Now the general teaching demonstration device, including board body, frame, light strip group, jack, note block, locker and bracket, is relatively convenient to use. [0003] However, the existing teaching and demonstration devices do not have the flexibility to adjust the height of the displayed objects according to the needs, do not have the ability to adjust the height of the device according to the needs, and are inconvenient to move the device flexibly and fix the frame according to the needs. question. [0004] Therefore, it is very necessary to invent a kind of teaching demonstration device. Contents of the invention [0005] In order to solve the above technical problems, the present invention provides a teaching demonstration device to solve the problem that the existing teaching demo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B19/00G09B5/02B43L1/00
CPCG09B19/00G09B5/02B43L1/00
Inventor 冯静李智慧谢丽娟
Owner SHANDONG LABOR VOCATIONAL & TECHN COLLEGE
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