CN211994899U

CN211994899U - Blackboard wiping arrangement for mathematics education

Info

Publication number: CN211994899U
Application number: CN202020483070.8U
Authority: CN
Inventors: 吕淑君; 李宁
Original assignee: Gansu Polytechnic College of Animal Husbandry and Engineering
Current assignee: Gansu Polytechnic College of Animal Husbandry and Engineering
Priority date: 2020-04-06
Filing date: 2020-04-06
Publication date: 2020-11-24
Anticipated expiration: 2030-04-06

Abstract

The utility model discloses a blackboard wiping arrangement for mathematics education, including blackboard body, mounting panel, slider, connecting rod, curb plate, scraper blade, motor, leading wheel, stay cord, cam, band pulley, belt, fixed plate, collecting vat, spring, extension board and collecting box. The utility model has simple structure, adopts the design of the stay cord and the slide block to drive the scraper to erase the writing on the surface of the blackboard, solves the problem of labor intensity increase caused by manual operation when the traditional blackboard is erased, and sets a transmission structure at the edge of the blackboard to avoid shielding the sight of watching the blackboard; the dust that sets up through the curb plate when making to clean the blackboard can shelter from, makes the dust fall to the mounting panel on the back, the removal of slider can promote the dust by the blackboard at every turn when cleaning in can pushing away the dust and falling to the collecting vat, simultaneously, can make the collecting vat concentrate the dust when shaking collect in the collecting box when cleaning at every turn, improves the collection efficiency of dust, avoids the diffusion of dust and influences environmental quality and personnel's healthy.

Description

Blackboard wiping arrangement for mathematics education

Technical Field

The utility model relates to a blackboard wiping arrangement specifically is a blackboard wiping arrangement for mathematical education belongs to mathematical education application technical field.

Background

Mathematical education is a subject for studying practice and methods of mathematical education, and mathematic educators are concerned with tools for promoting the practice and development of research thereof, the mathematical education is one of subjects of intense debate in modern society, the term is ambiguous and refers to practice in classrooms of various regions and a new subject, the subject has own periodicals, meetings and the like, the mathematical education is a social culture phenomenon, sociality determines that the mathematical education is advanced with time and is continuously innovated, a series of problems of educational targets, educational contents, educational techniques and the like in the mathematical education are continuously changed and developed along with the progress of the society, and the background of the reformation of the mathematical education is at least from nine aspects: knowledge economy, social relations, family pressure, international trend, examination reform, science and education, deepening of the nation, popularization of obligation education and technological progress.

At present, mathematical education is practices and methods for studying mathematical education, methods such as multimedia demonstration and blackboard hand-drawing teaching are generally adopted, the blackboard is required to be written when being used for teaching, the blackboard is required to be manually erased after being written, the labor capacity is increased, the teaching efficiency is reduced, and when handwriting on the blackboard is erased, dust can be greatly diffused into the air, so that the air pollution is serious, the physical health of teachers and learners is also influenced, and the centralized collection of the dust is not facilitated. Accordingly, a blackboard erasing apparatus for mathematical education has been proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blackboard wiping arrangement for mathematical education in order to solve above-mentioned problem.

The utility model realizes the purpose through the following technical proposal, and provides a blackboard wiping device for mathematical education, which comprises a mounting plate, a transmission mechanism and a collection mechanism which are arranged at the two ends of a blackboard body;

the transmission mechanism comprises sliding blocks and a motor, the sliding blocks are connected with the inside of the mounting plate in a sliding mode, the sliding blocks are fixedly connected through connecting rods, the side ends of the sliding blocks are fixedly connected with pull ropes, the output end of the motor is fixedly connected with a guide wheel, a cam and belt wheels respectively, the pull ropes are wound on the surfaces of the guide wheels, and the belt wheels are in transmission connection through belts;

the collecting mechanism comprises a side plate, a fixed plate, a collecting tank and a collecting tank, the fixed plate is fixedly connected with the bottom end of the mounting plate, the side wall of the fixed plate is rotatably connected with the collecting tank, the end part of the collecting tank is fixedly connected with an extension plate through a spring, and the extension plate is fixedly connected with the side wall of the collecting tank.

Preferably, the mounting panel cross-section at blackboard body both ends is the U-shaped structure, inside all with slider swing joint of two mounting panels, through connecting rod fixed connection between the slider, connecting rod inner wall rigid coupling has the scraper blade, and the scraper blade contact has blackboard body surface.

Preferably, the two ends of the mounting plate are rotatably connected with the two guide wheels respectively, the two ends of the pull rope between the two guide wheels are fixedly connected with the two ends of the sliding block respectively, and the motor connected with the guide wheels is fixedly connected with the wall surface at the top of the blackboard body.

Preferably, the fixing plate at the bottom end of the mounting plate is of an L-shaped structure, two sides of the mounting plate are respectively and rotatably connected with two collecting tanks with U-shaped sections, the end parts of the two collecting tanks are respectively corresponding to a cam, and the two collecting tanks are respectively corresponding to a plurality of through holes formed in the mounting plate at the bottom.

Preferably, the number of the collecting boxes is two, the two collecting boxes are respectively fixedly connected with the wall surfaces on two sides of the bottom end of the blackboard body, and the top of each collecting box is provided with an opening for collecting dust.

Preferably, the number of curb plate is two, and two curb plates all are L shape structure, and are formed with the cavity that is used for the dust to collect between two curb plates and connecting rod and the scraper blade.

The utility model has the advantages that:

1. the utility model discloses simple structure, convenient operation can drive the scraper blade through adopting the design of stay cord and slider and erase the writing on blackboard surface, solves the problem that needs the manual operation and brings intensity of labour increase when traditional blackboard is erased, and sets up transmission structure by the blackboard edge and avoids sheltering from the sight of watching the blackboard, improves teaching efficiency;

2. the utility model discloses a dust when setting up the messenger of curb plate and cleaning the blackboard can shelter from, makes the dust fall back on the mounting panel, and the removal of slider can promote the dust by at every turn when the blackboard is cleaned and fall to the collecting vat in, simultaneously, can make the collecting vat concentrate the dust when shaking collect in the collecting vat when cleaning at every turn, improves the collection efficiency of dust, avoids the diffusion of dust and influences environmental quality and personnel's healthy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic view of the local top view structure of the present invention.

In the figure: 1. blackboard body, 2, mounting panel, 3, slider, 4, connecting rod, 5, curb plate, 6, scraper blade, 7, motor, 8, leading wheel, 9, stay cord, 10, cam, 11, band pulley, 12, belt, 13, fixed plate, 14, collecting vat, 15, spring, 16, extension board, 17, collecting box.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 3, a blackboard erasing apparatus for mathematical education includes mounting plates 2 installed at both ends of a blackboard body 1, a transmission mechanism and a collection mechanism;

the transmission mechanism comprises a sliding block 3 and a motor 7, the sliding block 3 is connected with the inside of the mounting plate 2 in a sliding mode, the sliding blocks 3 are fixedly connected through a connecting rod 4, the side end of each sliding block 3 is fixedly connected with a pull rope 9, the output end of the motor 7 is fixedly connected with a guide wheel 8, a cam 10 and a belt wheel 11 respectively, the pull rope 9 is wound on the surface of the guide wheel 8, and the belt wheels 11 are in transmission connection through a belt 12;

the collecting mechanism comprises a side plate 5, a fixing plate 13, a collecting groove 14 and a collecting box 17, wherein the fixing plate 13 is fixedly connected with the bottom end of the mounting plate 2, the side wall of the fixing plate 13 is rotatably connected with the collecting groove 14, the end part of the collecting groove 14 is fixedly connected with an extending plate 16 through a spring 15, and the extending plate 16 is fixedly connected with the side wall of the collecting box 17.

The section of each mounting plate 2 at two ends of the blackboard body 1 is of a U-shaped structure, the insides of the two mounting plates 2 are movably connected with the corresponding sliding block 3, the sliding blocks 3 are fixedly connected through connecting rods 4, the inner walls of the connecting rods 4 are fixedly connected with scrapers 6, and the scrapers 6 are in contact with the surface of the blackboard body 1; two ends of the mounting plate 2 are respectively rotatably connected with the two guide wheels 8, two ends of a pull rope 9 between the two guide wheels 8 are respectively fixedly connected with two ends of the sliding block 3, and a motor 7 connected with the guide wheels 8 is fixedly connected with the wall surface at the top of the blackboard body 1; the fixing plate 13 at the bottom end of the mounting plate 2 is of an L-shaped structure, two sides of the mounting plate 2 are respectively rotatably connected with two collecting grooves 14 with U-shaped sections, the end parts of the two collecting grooves 14 are respectively provided with a cam 10 correspondingly, and the two collecting grooves 14 are respectively provided with a plurality of through holes formed in the mounting plate 2 at the bottom; the number of the collecting boxes 17 is two, the two collecting boxes 17 are respectively and fixedly connected with the wall surfaces on the two sides of the bottom end of the blackboard body 1, and an opening for collecting dust is formed in the top of each collecting box 17; the quantity of curb plate 5 is two, and two curb plates 5 all are L shape structure, and are formed with the cavity that is used for the dust to collect between two curb plates 5 and connecting rod 4 and the scraper blade 6.

When the utility model is used, firstly, the external power supply and the control switch of the electrical components in the device are used for wiping the blackboard body 1, the motor 7 on the wall surface drives the guide wheel 8 to rotate, so that the stay cord 9 on the guide wheel 8 slides on the surface of the guide wheel, and then the slide block 3 is pulled to move in the mounting plate 2, when the connecting rod 4 between the slide blocks 3 is driven to move, the scratch on the blackboard body 1 is wiped by the scraper 6, when the scratch is wiped, the dust can be prevented from scattering into the air by the arrangement of the limiting plate, the dust falls into the mounting plate 2 at the bottom, when the slide block 3 at the bottom moves, the dust is pushed to fall into the collecting tank 14 from the through hole arranged on the mounting plate 2, the dust is convenient to collect, when the motor 7 drives the guide wheel 8 to rotate, the belt wheel 11 is driven to rotate simultaneously, after the belt 12 between the belt wheel 11 is driven by the rotation of the, the blackboard has the advantages that the running stability is improved while the erasing of the handwriting of the blackboard body 1 is facilitated, the motor 7 is arranged at the top of the blackboard body 1, and the belt 12 is arranged on the right side of the blackboard, so that the phenomenon that a learner observes the blackboard is not influenced;

motor 7 drives cam 10 and rotates simultaneously at the during operation, and its most advanced supports collecting vat 14 when cam 10 rotates, promotes collecting vat 14 and rotates, makes collecting vat 14 rotate on fixed plate 13, promotes the compression of spring 15 on the extension board 16, makes collecting vat 14 be the slope form and not stop and make a round trip to rotate, can shake the dust in the collecting vat 14 to the collecting vat 17 in, makes things convenient for the centralized processing of dust.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A blackboard wiping device for mathematical education is characterized in that: comprises mounting plates (2) arranged at two ends of a blackboard body (1), a transmission mechanism and a collection mechanism;

the transmission mechanism comprises sliding blocks (3) and a motor (7), the sliding blocks (3) are connected with the inside of the mounting plate (2) in a sliding mode, the sliding blocks (3) are fixedly connected through connecting rods (4), the side ends of the sliding blocks (3) are fixedly connected with pull ropes (9), the output end of the motor (7) is fixedly connected with a guide wheel (8), a cam (10) and a belt wheel (11) respectively, the pull ropes (9) are wound on the surface of the guide wheel (8), and the belt wheels (11) are in transmission connection through a belt (12);

the collecting mechanism comprises a side plate (5), a fixing plate (13), a collecting groove (14) and a collecting box (17), the fixing plate (13) is fixedly connected with the bottom end of the mounting plate (2), the side wall of the fixing plate (13) is rotatably connected with the collecting groove (14), the end part of the collecting groove (14) is fixedly connected with an extension plate (16) through a spring (15), and the extension plate (16) is fixedly connected with the side wall of the collecting box (17).

2. The blackboard erasing apparatus for mathematical education as set forth in claim 1, wherein: the cross-section of the mounting plates (2) at the two ends of the blackboard body (1) is of a U-shaped structure, the two mounting plates (2) are internally and movably connected with the sliding blocks (3), the sliding blocks (3) are fixedly connected through the connecting rods (4), the inner walls of the connecting rods (4) are fixedly connected with the scraping plates (6), and the scraping plates (6) are in contact with the surface of the blackboard body (1).

3. The blackboard erasing apparatus for mathematical education as set forth in claim 1, wherein: mounting panel (2) both ends rotate with two leading wheels (8) respectively and are connected, stay cord (9) both ends between two leading wheels (8) respectively with slider (3) both ends rigid coupling, and the wall fixed connection at motor (7) and blackboard body (1) top of being connected with leading wheel (8).

4. The blackboard erasing apparatus for mathematical education as set forth in claim 1, wherein: the fixed plate (13) at the bottom end of the mounting plate (2) is of an L-shaped structure, two sides of the mounting plate (2) are respectively rotatably connected with two collecting grooves (14) with U-shaped sections, the end parts of the two collecting grooves (14) are respectively provided with a cam (10), and the two collecting grooves (14) are respectively provided with a plurality of through holes formed in the bottom mounting plate (2).

5. The blackboard erasing apparatus for mathematical education as set forth in claim 1, wherein: the number of collecting box (17) is two, two collecting box (17) respectively with the wall fixed connection of blackboard body (1) bottom both sides, and the opening that is used for the dust to collect is seted up at collecting box (17) top.

6. The blackboard erasing apparatus for mathematical education as set forth in claim 1, wherein: the quantity of curb plate (5) is two, and two curb plates (5) all are L shape structure, and are formed with the cavity that is used for the dust to collect between two curb plates (5) and connecting rod (4) and scraper blade (6).