CN201494176U - Dual-purpose blackboard used for projecting and writing - Google Patents

Dual-purpose blackboard used for projecting and writing Download PDF

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Publication number
CN201494176U
CN201494176U CN2009200306238U CN200920030623U CN201494176U CN 201494176 U CN201494176 U CN 201494176U CN 2009200306238 U CN2009200306238 U CN 2009200306238U CN 200920030623 U CN200920030623 U CN 200920030623U CN 201494176 U CN201494176 U CN 201494176U
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CN
China
Prior art keywords
blackboard
projection
writing
projecting
blackboards
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009200306238U
Other languages
Chinese (zh)
Inventor
张万军
Original Assignee
张万军
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 张万军 filed Critical 张万军
Priority to CN2009200306238U priority Critical patent/CN201494176U/en
Application granted granted Critical
Publication of CN201494176U publication Critical patent/CN201494176U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a dual-purpose blackboard used for projecting and writing, pertains to teaching tools, and particularly discloses a blackboard which is used for projecting and writing in teaching. The dual-purpose blackboard used for projecting and writing comprises a blackboard and a projection screen, and is characterized in that two blackboards, namely a left-side blackboard and a right-side blackboard are arranged between an upper sliding groove and a lower sliding groove which are fixed on a wall; and the projection screen is arranged on a wall in back of the blackboard. When in use, the two blackboards slide to the middle part of a slide rail so as to write; and when in need of projection demonstration, the blackboards slide to two sides along the slide rail, and the projection screen behind the blackboard is shown for projection demonstration, and simultaneously, the written characters are still maintained on the blackboard, thus realizing projection and writing simultaneously, and is suitable for being used in teaching of universities, secondary schools and primary schools.

Description

Projection, Double-purpose blackboard writes
Technical field
The utility model belongs to teaching aid, especially for the teaching projection, Double-purpose blackboard writes.
Background technology
Projecting apparatus, blackboard are the apparatus that is used for imparting knowledge to students that people use always, it is simple in structure, easy to use, can be fit to the use of each occasion, but when general projecting apparatus uses, blackboard can't be used, and when blackboard used, projecting apparatus just can't be used, easy like this successes achieved in teaching are reduced greatly, also wasted resource simultaneously.
The utility model content
For the deficiency that overcomes existing projection, writes and can not share, the purpose of this utility model provides a kind of projection, the Double-purpose blackboard that writes, and this projection, the Double-purpose blackboard that writes can be realized projection, write and can share.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen, it is characterized in that: be fixed on left side blackboard panel, two blackboards of right side blackboard panel are housed between last sliding tray on the wall, the lower slider groove, projection screen is installed on the wall of blackboard back.
Described upward sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.
The utility model slides into the slide rail middle part with two blackboards and writes when using blackboard, when the needs projection is demonstrated, blackboard is slided into both sides along sliding tray, the projection screen of blackboard back is shown, carry out the projection demonstration, this is that writing words above the blackboard still remains on the blackboard, realizes projection, writes simultaneously and use, and is fit to large, medium and small teaching and uses.
Description of drawings
Accompanying drawing 1 is a blackboard of the present utility model schematic diagram when using,
The schematic diagram that Fig. 2 uses at projecting apparatus, blackboard simultaneously for Fig. 1.
Among the figure, 1. go up sliding tray, 2. lower slider groove hinge, 3. left side blackboard panel, 4. right side blackboard panel 5. projection screens.
The specific embodiment
The specific embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen 5, it is characterized in that: be fixed on left side blackboard panel 3,4 two blackboards of right side blackboard panel are housed between last sliding tray 1 on the wall, the lower slider groove 2, projection screen is installed on the wall of blackboard back.
Embodiment 2, a kind of projection, Double-purpose blackboard writes, comprise blackboard, projection screen 5, it is characterized in that: be fixed on left side blackboard panel 3,4 two blackboards of right side blackboard panel are housed between last sliding tray 1 on the wall, the lower slider groove 2, projection screen is installed on the wall of blackboard back.Last sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.This electromechanical device adopts prior art to get final product.

Claims (2)

1. a projection, Double-purpose blackboard writes, comprise blackboard, projection screen, it is characterized in that: be fixed on left side blackboard panel, two blackboards of right side blackboard panel are housed between last sliding tray on the wall, the lower slider groove, projection screen is installed on the wall of blackboard back.
2. projection according to claim 1, the Double-purpose blackboard that writes is characterized in that: described upward sliding tray or lower slider groove two ends are equipped with and are dragged the electromechanical device that blackboard moves.
CN2009200306238U 2009-07-29 2009-07-29 Dual-purpose blackboard used for projecting and writing Expired - Fee Related CN201494176U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009200306238U CN201494176U (en) 2009-07-29 2009-07-29 Dual-purpose blackboard used for projecting and writing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009200306238U CN201494176U (en) 2009-07-29 2009-07-29 Dual-purpose blackboard used for projecting and writing

Publications (1)

Publication Number Publication Date
CN201494176U true CN201494176U (en) 2010-06-02

Family

ID=42437384

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009200306238U Expired - Fee Related CN201494176U (en) 2009-07-29 2009-07-29 Dual-purpose blackboard used for projecting and writing

Country Status (1)

Country Link
CN (1) CN201494176U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848816A (en) * 2012-09-14 2013-01-02 句容富达教学设备科技有限公司 Multimedia teaching system
CN104029541A (en) * 2014-05-19 2014-09-10 魏玉兰 Adjustable blackboard
CN105904883A (en) * 2016-05-30 2016-08-31 安徽工程大学 Projection blackboard for audio-visual education classroom
CN108887959A (en) * 2018-07-30 2018-11-27 重庆工商职业学院 A kind of indoor design Display Rack
CN109080330A (en) * 2018-08-22 2018-12-25 王成帅 It is a kind of to utilize the automatic teaching method for wiping grey dedusting storing blackboard
CN109080331A (en) * 2018-08-22 2018-12-25 王成帅 A kind of grey dedusting storing blackboard of automatic wiping

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848816A (en) * 2012-09-14 2013-01-02 句容富达教学设备科技有限公司 Multimedia teaching system
CN104029541A (en) * 2014-05-19 2014-09-10 魏玉兰 Adjustable blackboard
CN105904883A (en) * 2016-05-30 2016-08-31 安徽工程大学 Projection blackboard for audio-visual education classroom
CN108887959A (en) * 2018-07-30 2018-11-27 重庆工商职业学院 A kind of indoor design Display Rack
CN109080330A (en) * 2018-08-22 2018-12-25 王成帅 It is a kind of to utilize the automatic teaching method for wiping grey dedusting storing blackboard
CN109080331A (en) * 2018-08-22 2018-12-25 王成帅 A kind of grey dedusting storing blackboard of automatic wiping
CN109080330B (en) * 2018-08-22 2020-10-27 王成帅 Teaching method using automatic dust wiping, removing and storing blackboard

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20100602

Termination date: 20100729

C17 Cessation of patent right