CN202428924U - Multipurpose blackboard - Google Patents

Multipurpose blackboard Download PDF

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Publication number
CN202428924U
CN202428924U CN 201120559205 CN201120559205U CN202428924U CN 202428924 U CN202428924 U CN 202428924U CN 201120559205 CN201120559205 CN 201120559205 CN 201120559205 U CN201120559205 U CN 201120559205U CN 202428924 U CN202428924 U CN 202428924U
Authority
CN
China
Prior art keywords
panel
projection screen
blackboard
stop sleeve
guide roller
Prior art date
Application number
CN 201120559205
Other languages
Chinese (zh)
Inventor
臧垒超
Original Assignee
臧垒超
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 臧垒超 filed Critical 臧垒超
Priority to CN 201120559205 priority Critical patent/CN202428924U/en
Application granted granted Critical
Publication of CN202428924U publication Critical patent/CN202428924U/en

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Abstract

The utility model provides a multipurpose blackboard, which belongs to the field of teaching tools. The blackboard comprises a panel and a supporting sleeve, wherein the upper end and the lower end of the panel are provided with a guide roller respectively; a projection screen is arranged on the panel; one end of the projection screen is provided with a traction rope; the other end of the traction rope sequentially bypasses the guide rollers at the upper and lower ends of the panel and then is connected with the other end of the projection screen; support frames are arranged on the two sides of the panel; and the lower ends of the support frames are penetrated from the upper end of the supporting sleeve and are in sliding connection with the supporting sleeve. Compared with the prior art, the blackboard has the characteristics of reasonable design, simple structure, convenience in use, multiple functions and the like.

Description

A kind of multipurpose blackboard

Technical field

The utility model relates to a kind of teaching aid, specifically a kind of multipurpose blackboard.

Background technology

In the educational class of existing school, blackboard is the teaching aid of often using, and blackboard structure is simple, easy to use, is applicable to a lot of occasions; Projecting apparatus also is the aided education apparatus of often using in the course; When needs illustrate explanation to the student; Need seek projection screen separately and hang over blackboard or other place, need screen be hung on the blackboard, also will again it not removed when screen is not used if the space, classroom is limited; So not only let the people feel loaded down with trivial details, and influenced teaching.Be easy to generate reflective phenomenon during teaching, let the student watch like this, and existing blackboard and projection screen can't the shift position.

Summary of the invention

The technical assignment of the utility model is the deficiency to prior art, and a kind of reasonable in design, multipurpose blackboard that result of use is good is provided.

The utility model solves the technical scheme that its technical problem adopted: comprise panel and stop sleeve; The two ends up and down of panel are respectively arranged with guide roller; Panel is provided with projection screen; Projection screen one end is provided with pulling rope, and the pulling rope other end is connected with the projection screen other end after walking around panel guide roller up and down successively again; The panel both sides are provided with bracing frame, and the bracing frame lower end penetrates from the stop sleeve upper end and is slidingly connected with it.

The projection screen size matches with panel.

Stop sleeve is provided with the rocking bar positioner, and the stop sleeve lower end is provided with base, and the base below is provided with universal wheel.

A kind of multipurpose blackboard of the utility model compared with prior art, the beneficial effect that is produced is:

1), have characteristics such as reasonable in design, simple in structure, function admirable, practicality, one is dual-purpose, has made things convenient for teaching, has improved efficiency of teaching, and has reduced teacher's labour intensity.

2), easy for operation, need not seek projection screen in addition, need not to seek in addition screen suspension place.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model.

Among the figure: 1, guide roller, 2, projection screen, 3, panel, 4, pulling rope, 5, bracing frame, 6, stop sleeve, 7, the rocking bar positioner, 8, base, 9, universal wheel.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done following the detailed description.

Shown in accompanying drawing; A kind of multipurpose blackboard of the utility model; Its structure comprises panel 3 and stop sleeve 6, and the two ends up and down of panel 3 are respectively arranged with guide roller 1, and panel 3 is provided with projection screen 2; Projection screen 2 one ends are provided with pulling rope 4, and pulling rope 4 other ends are connected with projection screen 2 other ends after walking around the guide roller 1 of panel about in the of 3 successively again; Panel 3 both sides are provided with bracing frame 5, and bracing frame 5 lower ends penetrate from stop sleeve 6 upper ends and are slidingly connected with it.

Projection screen 2 sizes match with panel 3.Stop sleeve 6 is provided with rocking bar positioner 7, and stop sleeve 6 lower ends are provided with base 8, and base 8 belows are provided with universal wheel 9.

Through the random position of movable panel 3 of base 8, utilize the height that rocking bar positioner 7 can control panel 3.When guide roller 1 rotated, guide roller 1 drove pulling rope 4, and projection screen 2 is rotated with pulling rope 4.During writing words, projection screen 2 is hidden in the back side of panel 3 on panel 3, when needing the projection aided education, can turn to panel 3 fronts to projection screen 2 and carry out the projection demonstration, when not using, again projection screen 2 is rotated back into panel 3 back sides and gets final product.

A kind of its processing and fabricating of multipurpose blackboard of the utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.

Except that the described technical characterictic of specification, be this professional's known technology.

Claims (3)

1. multipurpose blackboard; Comprise panel and stop sleeve; The two ends up and down that it is characterized in that panel are respectively arranged with guide roller; Panel is provided with projection screen, and projection screen one end is provided with pulling rope, and the pulling rope other end is connected with the projection screen other end after walking around panel guide roller up and down successively again; The panel both sides are provided with bracing frame, and the bracing frame lower end penetrates from the stop sleeve upper end and is slidingly connected with it.
2. a kind of multipurpose blackboard according to claim 1 is characterized in that the projection screen size matches with panel.
3. a kind of multipurpose blackboard according to claim 1 is characterized in that stop sleeve is provided with the rocking bar positioner, and the stop sleeve lower end is provided with base, and the base below is provided with universal wheel.
CN 201120559205 2011-12-29 2011-12-29 Multipurpose blackboard CN202428924U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120559205 CN202428924U (en) 2011-12-29 2011-12-29 Multipurpose blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120559205 CN202428924U (en) 2011-12-29 2011-12-29 Multipurpose blackboard

Publications (1)

Publication Number Publication Date
CN202428924U true CN202428924U (en) 2012-09-12

Family

ID=46778395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120559205 CN202428924U (en) 2011-12-29 2011-12-29 Multipurpose blackboard

Country Status (1)

Country Link
CN (1) CN202428924U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329026A (en) * 2015-11-30 2016-02-17 沈晶晶 Multifunctional teaching aid
CN105365457A (en) * 2015-11-30 2016-03-02 沈晶晶 Multifunctional blackboard
CN106527034A (en) * 2016-12-19 2017-03-22 李业清 Adjustable folding mobile film projection screen
CN106597795A (en) * 2016-12-19 2017-04-26 李业清 Windproof and dustproof winding drum screen capable of realizing rising and falling adjustment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105329026A (en) * 2015-11-30 2016-02-17 沈晶晶 Multifunctional teaching aid
CN105365457A (en) * 2015-11-30 2016-03-02 沈晶晶 Multifunctional blackboard
CN107599684A (en) * 2015-11-30 2018-01-19 沈晶晶 A kind of improved multi-functional blackboard
CN105365457B (en) * 2015-11-30 2018-11-16 沈晶晶 A kind of multi-functional blackboard
CN106527034A (en) * 2016-12-19 2017-03-22 李业清 Adjustable folding mobile film projection screen
CN106597795A (en) * 2016-12-19 2017-04-26 李业清 Windproof and dustproof winding drum screen capable of realizing rising and falling adjustment

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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: 20120912

Termination date: 20121229

C17 Cessation of patent right