CN202764530U - Teaching chalkboard - Google Patents

Teaching chalkboard Download PDF

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Publication number
CN202764530U
CN202764530U CN 201220526722 CN201220526722U CN202764530U CN 202764530 U CN202764530 U CN 202764530U CN 201220526722 CN201220526722 CN 201220526722 CN 201220526722 U CN201220526722 U CN 201220526722U CN 202764530 U CN202764530 U CN 202764530U
Authority
CN
China
Prior art keywords
shaft
disposed
carriage
teaching
support frame
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
CN 201220526722
Other languages
Chinese (zh)
Inventor
沈延梅
李强奎
Original Assignee
沈延梅
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 沈延梅 filed Critical 沈延梅
Priority to CN 201220526722 priority Critical patent/CN202764530U/en
Application granted granted Critical
Publication of CN202764530U publication Critical patent/CN202764530U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a teaching chalkboard which comprises a rectangular support frame and a chalkboard disposed thereon. Wheels are disposed at four corners of the support frame respectively. A connecting cord is arranged on the wheels on the each same side of the support frame. A transmission shaft disposed between the two wheels at one end of the support frame is connected with the wheels. A driven gear is disposed on the transmission shaft. A motor and a support shaft are disposed on the support frame. A drive gear is disposed on an output shaft of the motor and meshes with the driven gear. A brush is disposed on the support shaft. Slides are arranged on two sides of the support frame. The end of the support shaft penetrates through the slides to be connected with the connecting cords. When the teaching chalkboard is full of writings during use, the writings can be erased with the brush on the support shaft by starting the motor to drive the wheels to rotate, and pulling the support shaft to slide along the slides through the connecting cords. Time and labor are economized, teaching time is greatly saved for teachers, and labor amount and intensity are decreased for teachers.

Description

A kind of blackboard for teaching
Technical field
The utility model relates to a kind of teaching device, relates to specifically a kind of blackboard for teaching.
Background technology
In teacher's teaching process, in the most of the time, the teacher is the classroom instruction that realizes the student by blackboard.As everyone knows, when write on the blackboard expired writing after, it need to be wiped again again writing on the blackboard, so, the problem that erases the board and just become the modern teaching Ability of Normal School Students to face, for the teacher, writing on the blackboard erases the board later again, has both wasted the time, teacher's workload and labour intensity have been increased again, for the student, because the restriction of height and muscle power has increased the difficulty that erases the board.
The utility model content
Problem to be solved in the utility model provide a kind of on can Automatic erasing blackboard writing, save time, reduce teacher's workload and the blackboard for teaching of labour intensity.
For addressing the above problem, the technical scheme that the utility model adopts is: a kind of blackboard for teaching, comprise the carriage that is shaped as rectangle and the blackboard that is arranged on the carriage, be respectively arranged with runner on four angles of described carriage, be positioned on the runner of carriage the same side and be provided with connection cord, between two runners of the same end of carriage, be provided with the power transmission shaft that is connected with runner, be provided with driven gear on the described power transmission shaft, be provided with motor and back shaft on the described carriage, be provided with driving gear on the output shaft of described motor, described driving gear and driven gear engagement, be provided with hairbrush on the described back shaft, the both sides of described carriage are respectively arranged with chute, and the end of described back shaft is passed chute and is connected with connection cord.
The utility model is taked above technical scheme, have the following advantages: during use, after writing on the blackboard is write completely, starter motor, the driven by motor runner rotates, and drags back shaft by connection cord and slides along chute, by the hairbrush on the back shaft writing on the blackboard is wiped, time saving and energy saving, greatly saved teacher's instructional blocks of time, reduced teacher's workload and labour intensity; Overcome the student can't finish blackboard wiping because of the restriction of height and muscle power problem.
The utility model is described in further detail below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is the structural representation of a kind of blackboard for teaching among the utility model embodiment;
Accompanying drawing 2 is the cutaway view of accompanying drawing 1.
Among the figure:
The 1-carriage; 2 hairbrush-; The 3-back shaft; The 4-connection cord; The 5-runner; The 6-blackboard; The 7-power transmission shaft; The 8-driven gear; The 9-driving gear; The 10-motor; The 11-chute.
The specific embodiment
Embodiment: as shown in Figures 1 and 2, a kind of blackboard for teaching, comprise the carriage 1 that is shaped as rectangle and the blackboard 6 that is arranged on the carriage 1, be respectively arranged with runner 5 on four angles of described carriage 1, be positioned on the runner 5 of carriage 1 the same side and be provided with connection cord 4, between two runners 5 of carriage 1 same end, be provided with the power transmission shaft 7 that is connected with runner 5, be provided with driven gear 8 on the described power transmission shaft 7, be provided with motor 10 and back shaft 3 on the described carriage 1, be provided with driving gear 9 on the output shaft of described motor 10, described driving gear 9 and driven gear 8 engagements, be provided with hairbrush 2 on the described back shaft 3, the both sides of described carriage 1 are respectively arranged with chute 11, and the end of described back shaft 3 is passed chute 11 and is connected with connection cord 4.
The utility model is by adopting technique scheme, original manual wipping blackboard is become automatic erasing, alleviate teacher's workload and labour intensity, overcome the student can't finish blackboard wiping because of the restriction of height and muscle power problem, wiping is quick, clean, simple, convenient.

Claims (1)

1. blackboard for teaching, comprise the carriage (1) that is shaped as rectangle and be arranged on blackboard (6) on the carriage (1), it is characterized in that: be respectively arranged with runner (5) on four angles of described carriage (1), be positioned on the runner (5) of carriage (1) the same side and be provided with connection cord (4), be positioned between two runners (5) of the same end of carriage (1) and be provided with the power transmission shaft (7) that is connected with runner (5), be provided with driven gear (8) on the described power transmission shaft (7), be provided with motor (10) and back shaft (3) on the described carriage (1), be provided with driving gear (9) on the output shaft of described motor (10), described driving gear (9) and driven gear (8) engagement, be provided with hairbrush (2) on the described back shaft (3), the both sides of described carriage (1) are respectively arranged with chute (11), and the end of described back shaft (3) is passed chute (11) and is connected with connection cord (4).
CN 201220526722 2012-09-26 2012-09-26 Teaching chalkboard Expired - Fee Related CN202764530U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220526722 CN202764530U (en) 2012-09-26 2012-09-26 Teaching chalkboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220526722 CN202764530U (en) 2012-09-26 2012-09-26 Teaching chalkboard

Publications (1)

Publication Number Publication Date
CN202764530U true CN202764530U (en) 2013-03-06

Family

ID=47771127

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220526722 Expired - Fee Related CN202764530U (en) 2012-09-26 2012-09-26 Teaching chalkboard

Country Status (1)

Country Link
CN (1) CN202764530U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415532A (en) * 2017-07-17 2017-12-01 徐星星 A kind of blackboard for education with Automatic erasing blackboard function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107415532A (en) * 2017-07-17 2017-12-01 徐星星 A kind of blackboard for education with Automatic erasing blackboard function

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130306

Termination date: 20130926