CN203623245U - Automatic dust removing blackboard - Google Patents

Automatic dust removing blackboard Download PDF

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Publication number
CN203623245U
CN203623245U CN201320896523.XU CN201320896523U CN203623245U CN 203623245 U CN203623245 U CN 203623245U CN 201320896523 U CN201320896523 U CN 201320896523U CN 203623245 U CN203623245 U CN 203623245U
Authority
CN
China
Prior art keywords
blackboard
dust
take
spring
landing strip
Prior art date
Application number
CN201320896523.XU
Other languages
Chinese (zh)
Inventor
聂乐文
Original Assignee
聂乐文
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 聂乐文 filed Critical 聂乐文
Priority to CN201320896523.XU priority Critical patent/CN203623245U/en
Application granted granted Critical
Publication of CN203623245U publication Critical patent/CN203623245U/en

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Abstract

The utility model relates to an automatic dust removing blackboard which is formed by a blackboard support, blackboard bodies, support shafts, lifting belts, erasing strips, dust collection boxes and springs. The support shafts and the erasing strips are arranged on the backboard support, four blackboard bodies are provided, a groove is formed in the bottom face of each blackboard body, a handle and a dust removing box are arranged at the lower end of each blackboard body, an erasing strip is arranged on the front of each blackboard body, and a spring is arranged on the back of each blackboard body. The four lifting belts are arranged on the two support shafts, and each lifting belt is provided with four springs. Two erasing strip are arranged in a staggering mode in the front-back direction. A boss is arranged on the edge of each dustproof box, and each spring is divided into a fine tube portion and a coarse tube portion. The automatic dust removing blackboard can effectively relieve flying of dust, can be erased by being pulled vertically, saves time and labor, and is simple in structure, convenient to use and good in practicability.

Description

Automatic dust-removing blackboard

Technical field

The utility model relates to a kind of blackboard, especially a kind of automatic dust-removing blackboard.

Background technology

Blackboard, not strange concerning everybody, especially concerning student and teacher, blackboard is almost study or the required necessary article of imparting knowledge to students, we will arrive on blackboard and write every day, and write after full blackboard when our word, erase the board and just become the thing of another people's headache, in the process erasing the board, what chalk dust waftd is everywhere, inevitably make teacher or classmate's association suck chalk dust, affect healthy, moreover, erase the board and also relatively waste time and energy, particularly in senior middle school, the every class of teacher all goes to erase the board with time a few minutes, therefore wasted the quality time on classroom.

If there is a kind of blackboard, can in the process that slides up and down blackboard, just the word on blackboard can be wiped, so just save the required time that erases the board, teacher also can make full use of the time impart knowledge of attending class, and improves classroom efficiency.

Utility model content

In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of automatic dust-removing blackboard, its employing is divided into front and rear part by blackboard and is located in take off and landing strip, is all provided with rub piece on easel simultaneously, reaches thereby run into rub piece in the time that blackboard moves up and down the effect erasing the board.

In order to realize the technical scheme that the purpose of this utility model adopts be: a kind of automatic dust-removing blackboard, is characterized in that: it is made up of easel, blackboard, back shaft, take off and landing strip, rub piece, dust-collecting box and spring; Described easel is square shape, is provided with back shaft and rub piece above; Described blackboard is square, has four, and every bottom surface is provided with groove, and lower end is provided with a handle and a dust-collecting box simultaneously, and front is provided with rub piece, and the back side is provided with spring; Described back shaft is circular, has two, is provided with take off and landing strip above; Described take off and landing strip is closed hoop, has four, and every is provided with four springs; Described rub piece is strip, has two, and mutually staggers, and one in front and one in back places; Described dust-collecting box is microscler, and there is boss at edge; Described spring is cylindrical shape, is divided into thin cylinder and thick cylinder two parts.

The beneficial effects of the utility model are: it can effectively alleviate flying away of dust, again can be by pulling up and down blackboard to erase the board, and more time saving and energy saving; And simple in structure, easy to use, practical.

Accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, the utility model is further described.

Fig. 1 is the utility model structure chart

Fig. 2 is the utility model right view partial sectional view

Fig. 3 is the utility model right view partial sectional view

1-easel, 2-blackboard, 3-back shaft, 4-take off and landing strip, 5-rub piece, 6-dust-collecting box, 7-spring in figure.

The specific embodiment

In the first embodiment shown in Fig. 1, Fig. 2, Fig. 3, a kind of automatic dust-removing blackboard, is characterized in that: it is made up of easel, blackboard, back shaft, take off and landing strip, rub piece, dust-collecting box and spring; Described easel is square shape, is provided with back shaft and rub piece above; Described blackboard is square, has four, and every bottom surface is provided with groove, and lower end is provided with a handle and a dust-collecting box simultaneously, and front is provided with rub piece, and the back side is provided with spring; Described back shaft is circular, has two, is provided with take off and landing strip above; Described take off and landing strip is closed hoop, has four, and every is provided with four springs; Described rub piece is strip, has two, and mutually staggers, and one in front and one in back places; Described dust-collecting box is microscler, and there is boss at edge; Described spring is cylindrical shape, is divided into thin cylinder and thick cylinder two parts.

In the second embodiment shown in Fig. 1, Fig. 2, Fig. 3, described easel is fixed on metope, and whole blackboard is played to fixing and supporting role; Described blackboard divides front and rear part, each two of front and back, previous section is located at take off and landing strip front, aft section is located at take off and landing strip inner side, every blackboard front is close to rub piece simultaneously, and the back side connects take off and landing strip by spring, and the handle on blackboard is used for pulling blackboard to move up and down, in the time moving up and down, blackboard and rub piece friction reach the effect erasing the board, and can make spring-compressed separate with rub piece by blackboard front in the time pressing blackboard; Described back shaft plays a supportive role to take off and landing strip, and take off and landing strip can be rotated around it; Two springs are longitudinally fixed in described every front of take off and landing strip, and two springs are longitudinally fixed in inner side, and take off and landing strip two ends can be rotated around back shaft; Described rub piece is directly connected on easel; Described dust-collecting box is located at the handle lower end of blackboard, and for collecting the dust erasing the board under descending slowly and lightly, edge lug boss can be rubbed in blackboard bottom recesses, the interior dust of for convenience detach and cleaning box; The thin jacket casing of described spring enters in thick cylinder and by the spring in thick cylinder to connect, thin cylinder is fixed on blackboard, and thick cylinder is fixed on take off and landing strip, and whole spring assembly is for coupling together blackboard and take off and landing strip, blackboard is played a supportive role, and the compression energy of spring drives blackboard indentation simultaneously.

While using the utility model, first in the time will wiping the word of writing on a certain blackboard, the handle holding on that piece blackboard pulls blackboard can wipe the word on blackboard up and down, in the time not needing to wipe the word on that piece blackboard, that piece blackboard being compressed into allow in drawing blackboard has certain distance between it and rub piece.

Claims (7)

1. an automatic dust-removing blackboard, is characterized in that: it is made up of easel, blackboard, back shaft, take off and landing strip, rub piece, dust-collecting box and spring; Described easel is square shape, is provided with back shaft and rub piece above; Described blackboard is square, has four, and every bottom surface is provided with groove, and lower end is provided with a handle and a dust-collecting box simultaneously, and front is provided with rub piece, and the back side is provided with spring; Described back shaft is circular, has two, is provided with take off and landing strip above; Described take off and landing strip is closed hoop, has four, and every is provided with four springs; Described rub piece is strip, has two, and mutually staggers, and one in front and one in back places; Described dust-collecting box is microscler, and there is boss at edge; Described spring is cylindrical shape, is divided into thin cylinder and thick cylinder two parts.
2. automatic dust-removing blackboard according to claim 1, is characterized in that: described easel is fixed on metope.
3. automatic dust-removing blackboard according to claim 1, is characterized in that: described blackboard point front and rear part, each two of front and back, previous section is located at take off and landing strip front, aft section is located at take off and landing strip inner side, and every blackboard front is close to rub piece simultaneously, and the back side connects take off and landing strip by spring.
4. automatic dust-removing blackboard according to claim 1, is characterized in that: two springs are longitudinally fixed in described every front of take off and landing strip, and two springs are longitudinally fixed in inner side, and take off and landing strip two ends can be rotated around back shaft.
5. automatic dust-removing blackboard according to claim 1, is characterized in that: described rub piece is directly connected on easel.
6. automatic dust-removing blackboard according to claim 1, is characterized in that: described dust-collecting box is located at the handle lower end of blackboard.
7. automatic dust-removing blackboard according to claim 1, is characterized in that: the thin jacket casing of described spring enters in thick cylinder and by the spring in thick cylinder to connect.
CN201320896523.XU 2013-12-25 2013-12-25 Automatic dust removing blackboard CN203623245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320896523.XU CN203623245U (en) 2013-12-25 2013-12-25 Automatic dust removing blackboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320896523.XU CN203623245U (en) 2013-12-25 2013-12-25 Automatic dust removing blackboard

Publications (1)

Publication Number Publication Date
CN203623245U true CN203623245U (en) 2014-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320896523.XU CN203623245U (en) 2013-12-25 2013-12-25 Automatic dust removing blackboard

Country Status (1)

Country Link
CN (1) CN203623245U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442113A (en) * 2014-11-12 2015-03-25 孝感市奇思妙想文化传媒有限公司 Louvered blackboard capable of cleaning automatically
CN104985955A (en) * 2015-06-17 2015-10-21 南京工业职业技术学院 Intelligent blackboard
CN106379081A (en) * 2016-10-25 2017-02-08 林姝霓 Automatic blackboard wiping device for teaching
CN107901669A (en) * 2017-11-10 2018-04-13 杜鑫 It is a kind of can automated cleaning blackboard for education

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104442113A (en) * 2014-11-12 2015-03-25 孝感市奇思妙想文化传媒有限公司 Louvered blackboard capable of cleaning automatically
CN104985955A (en) * 2015-06-17 2015-10-21 南京工业职业技术学院 Intelligent blackboard
CN106379081A (en) * 2016-10-25 2017-02-08 林姝霓 Automatic blackboard wiping device for teaching
CN107901669A (en) * 2017-11-10 2018-04-13 杜鑫 It is a kind of can automated cleaning blackboard for education

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

Granted publication date: 20140604

Termination date: 20151225