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Projection equipment convenient to store and place and used for computer major teaching

A technology of projection equipment and computer, applied in mechanical equipment, projection devices, educational appliances, etc., can solve the problems of no storage function, inconvenient teaching, accumulation of large dust, etc.

Pending Publication Date: 2021-09-10
NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the deficiencies of the prior art, the present invention provides a projection device for computer professional teaching that is easy to store and place, which solves the problem that the existing projection device is not stable in placement and does not have a storage function, and the projection device is fixed and hung on the top of the wall for a long time In fact, the lens and interior of the projection device will accumulate a lot of dust for a long time, which will bring a lot of inconvenience to the teaching

Method used

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  • Projection equipment convenient to store and place and used for computer major teaching
  • Projection equipment convenient to store and place and used for computer major teaching
  • Projection equipment convenient to store and place and used for computer major teaching

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Embodiment

[0032] Such as Figure 1-5 As shown, the embodiment of the present invention provides a projection device for computer professional teaching that is convenient for storage and placement, including a storage box 1, and three installation sockets 2 are fixedly arranged on the top of the storage box 1, so as to facilitate hoisting of the storage box 1. The three installation sockets 2. An installation clamp 4 is fixed inside, and the upper end of the installation clamp 4 is fixedly connected with a connecting column 3. The storage box 1 is hoisted on the top of the room. The middle part of the inner top wall of the storage box 1 is fixed with an electric cylinder 6, which is used to place the storage box. 13 Stretch out and retract the interior of the storage box 1, the lower end of the electric cylinder 6 is fixedly connected with the connecting plate 7, the lower end of the connecting plate 7 is fixedly connected with the limiting plate 8, the lower end of the limiting plate 8 i...

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Abstract

The invention provides projection equipment convenient to store and place and used for computer major teaching, belonging to the technical field of projection equipment for teaching. The projection equipment convenient to store and place and used for computer major teaching comprises a storage box, wherein three mounting clamping seats are fixedly arranged at the top of the storage box, mounting clamping plates are fixedly arranged in the three mounting clamping seats, connecting columns are fixedly connected to the upper ends of the mounting clamping plates, an electric cylinder is fixedly arranged in the middle of the inner top wall of the storage box, the lower end of the electric cylinder is fixedly connected with a connecting plate, and the lower end of the connecting plate is fixedly connected with a limiting plate. According to the projection equipment convenient to store and place and used for computer major teaching, the storage box is arranged, a projector is stored in the storage box, and the storage box is in a closed state, so dust is prevented from entering a lens and the interior of a projector body, and the purpose of convenient storage is achieved; and the storage box is convenient to hoist, and the use of the equipment is very convenient.

Description

technical field [0001] The invention relates to the technical field of projection equipment for teaching, in particular to a projection equipment for computer professional teaching that is convenient for storage and placement. Background technique [0002] A projector is an optical instrument that uses optical elements to enlarge the contour of a workpiece and projects it onto a video screen. It can use transmitted light for contour measurement, and can also use reflected light to measure the surface shape of a non-through hole and observe the surface of a part. Projection The instrument is especially suitable for measuring complex contours and small workpieces, such as watch parts, stamping parts, electronic components, templates, molds, threads, gears and forming tools, etc. It has high inspection efficiency and is easy to use. It is widely used in measuring rooms and production workshops. It is especially suitable for the instrument and clock industry. A projector, also k...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B5/02G03B21/54G03B21/14G03B21/16G03B29/00F16M11/04F16M11/18F16M13/02
CPCG09B5/02G03B21/54G03B21/145G03B21/16G03B29/00F16M11/046F16M11/18F16M13/02
Inventor 赵金币琚理戚霁
Owner NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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