CN214112083U

CN214112083U - Blackboard is used in teaching convenient to clean

Info

Publication number: CN214112083U
Application number: CN202022730742.3U
Authority: CN
Inventors: 谈博深; 齐婉彤
Original assignee: Yanbian University
Current assignee: Yanbian University
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-03
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a teaching aid, in particular to a blackboard convenient to clean for teaching, which comprises a shell, a writing mechanism and a cleaning mechanism, wherein the front side of the shell is provided with a writing window for writing; writing mechanism includes backplate, circulation switching mechanism, direction and compresses tightly the subassembly and be used for the clipboard of writing, the backplate sets up inside the casing, and be located the position of writing the window, wiping mechanism includes that two of parallel distribution clean the subassembly in step and be used for driving two and clean the synchronous regulating assembly that the subassembly carries out the upset in step, every the subassembly is all cleaned including support track and elasticity to the synchronous subassembly of cleaning, the utility model discloses simple structure makes things convenient for the teacher to carry out writing and cleaning of teaching content, need not manually to clean, has improved the efficiency of teaching and the quality of teaching, and convenient to use has effectively improved the teaching environment, has improved the teaching quality.

Description

Blackboard is used in teaching convenient to clean

Technical Field

The utility model relates to a teaching aid, concretely relates to blackboard is used in teaching convenient to clean.

Background

The blackboard and the blackboard eraser are widely applied to education and teaching, most of the blackboards on the market are fixed on the wall surface at present, and in the teaching, because chalk is light to use and low in manufacturing cost, the chalk is widely applied to schools and other places, but writing of the pen has much dust during wiping, influences the surrounding environment, is unfavorable to human bodies, and in the wiping process, the chalk needs to be wiped by hands, the efficiency is low, a large amount of dust can be sucked, and the human health is damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blackboard is used in teaching convenient to clean.

To achieve the purpose, the utility model adopts the following technical proposal:

the blackboard convenient to clean for teaching is provided, and comprises a shell, a writing mechanism and a cleaning mechanism, wherein the front surface of the shell is provided with a writing window for writing;

the writing mechanism comprises a back plate, a circulation switching mechanism, a guide pressing assembly and a writing board for writing, wherein the back plate is arranged in the shell and is positioned at the position of a writing window, the circulation switching mechanism comprises a conveying belt, a stepping motor, a driving roller and a driven roller, the driving roller and the driven roller are horizontally and rotatably arranged in the shell, one of the driving roller and the driven roller is positioned above the back plate, the other one of the driving roller and the driven roller is positioned below the back plate, the conveying belt is sleeved between the driving roller and the driven roller and envelops the back plate on the inner side of the conveying belt, the stepping motor is arranged outside the shell, the driving end of the stepping motor is connected with the end part of the driving roller, the guide pressing assembly comprises guide rollers arranged at the upper end and the lower end of the back plate, the guide rollers are horizontally and rotatably arranged on the back plate through supports, the conveying belt passes through the inner side of the guide rollers, and the inner surface of the conveying belt is tightly and slidably attached to the surface of the back plate, the writing board is adhered to the surface of the conveying belt;

clean the mechanism and clean the subassembly in step and be used for driving two synchronous cleaning assemblies of parallel distribution and carry out the synchronization regulation subassembly that overturns, every the subassembly is all cleaned including support track and elasticity in step to the subassembly of cleaning, support track level rotates and installs the inside at the casing, the subassembly slidable mounting is cleaned to elasticity in the support track, and be located the inboard of backplate, and the surface in close contact with of the end of cleaning of subassembly and clipboard is cleaned to elasticity, the side of casing be equipped with the operation mouth of support track one-to-one, and the operation mouth is located the position that is close to the orbital tip of support, the outer wall of synchronization regulation subassembly installation casing, and adjust the end and be connected with the orbital tip of support.

Preferably, the lower end of the shell is provided with a pull-out collecting box for collecting dust, and the pull-out collecting box is positioned below the back plate.

Preferably, the synchronous adjusting component comprises an adjusting motor, belt wheels and a belt, the adjusting motor is installed on the side of the shell through the rack, the driving end of the adjusting motor is connected with the end of one of the supporting rails, one belt wheel is installed on the end of each supporting rail, and the belt is sleeved between the two belt wheels.

Preferably, the subassembly is cleaned to elasticity includes bar fagging, elastic component, clamp plate and wiper member, bar fagging slidable mounting is in supporting the track, the clamp plate passes through elastic component and installs the side at the bar fagging, and parallel and bar fagging, the wiper member sets up in the front of clamp plate, and with the surperficial inseparable sliding contact of clipboard.

Preferably, the end part of the strip-shaped supporting plate is provided with a handle.

Has the advantages that: the utility model discloses when using, install on vertical holding surface (for example on the wall in classroom), the clipboard that is located writing window position is used for teaching content's writing, when the writing region of clipboard needs to be switched over, step motor starts, step motor drives the drive roll and rotates, drive the clipboard through the conveyer belt and rotate, make new writing region convey to writing in the window, the clipboard that writes before this moment is when cleaning the mechanism, clean by the wiper in the wiping mechanism, thereby clean the writing on the clipboard, need not artifical manual cleaning, the efficiency of cleaning has been improved, and when cleaning, the dust is located the casing, and fall into the pull-out collecting box, can not cause the phenomenon that the dust derives to fly upward, the dust has reduced the environmental pollution of teaching;

the utility model discloses when using, the surface in wiper member and the clipboard on the conveyer belt among the wiping mechanism is in close contact with, elastic component is in the slight compression state, when needing to change wiper member (or regularly clear up the dust on the wiper member), drive adjusting motor, adjusting motor drives two support tracks through belt and band pulley and rotates 180, make the surface of wiper member and clipboard be in the non-contact state, then utilize operation mouth and handle to pull out the bar fagging outwards along support track, thereby the convenient elastic wiper component of taking out, and it is also more convenient to install, brought the facility for the use;

in addition, the conveying belt passes through the two guide rollers, and the inner surface of the conveying belt positioned between the two guide rollers is attached to the front surface of the back plate, so that the flatness of a vertical plane where the writing board is positioned during writing is ensured, a supporting auxiliary effect is achieved, and the writing quality is ensured;

the utility model discloses simple structure makes things convenient for the teacher to carry out writing and cleaning of teaching content, need not manually to clean, has improved the efficiency of teaching and the quality of teaching, and convenient to use has effectively improved the teaching environment, has improved the quality of teaching.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.

Fig. 1 is a front view of the present invention;

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

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is an enlarged view at C of FIG. 2;

FIG. 6 is a schematic view of an elastomeric wiping component;

1-shell, 2-writing window, 3-drawing collecting box, 4-back plate, 5-bracket, 6-guide roller, 7-driving roller, 8-stepping motor, 9-writing board, 10-operation opening, 11-supporting track, 12-wiping piece, 13-belt wheel, 14-adjusting motor, 15-belt, 16-strip supporting plate, 17-elastic component and 18-pressing plate.

Detailed Description

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

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1 to 6, the blackboard convenient to wipe comprises a casing 1, a writing mechanism and a wiping mechanism, wherein a writing window 2 for writing is arranged on the front surface of the casing 1;

the writing mechanism comprises a back plate 4, a circulation switching mechanism, a guide pressing component and a writing board 9 for writing, wherein the writing board 9 is made of a flexible material, the back plate 4 is arranged inside the shell 1 and is positioned at the position of the writing window 2, the circulation switching mechanism comprises a conveying belt, a stepping motor 8, a driving roller 7 and a driven roller, the driving roller 7 and the driven roller are horizontally and rotatably arranged in the shell 1, one of the driving roller 7 and the driven roller is positioned above the back plate 4, the other driving roller is positioned below the back plate 4, the conveying belt is sleeved between the driving roller 7 and the driven roller and envelops the back plate 4 on the inner side of the conveying belt, the stepping motor 8 is arranged outside the shell 1, the driving end is connected with the end part of the driving roller 7, the guide pressing component is composed of guide rollers 6 arranged at the upper end and the lower end of the back plate 4, and the guide rollers 6 are horizontally and rotatably arranged on the back plate 4 through a support 5, the conveying belt passes through the inner side of the guide roller 6, the inner surface of the conveying belt is closely attached to the surface of the back plate 4 in a sliding manner, and the writing plate 9 is adhered to the surface of the conveying belt;

wiping mechanism cleans the subassembly in step and is used for driving two synchronous cleaning components of parallel distribution and carries out the synchronization regulation subassembly that overturns, every the subassembly is all cleaned including support track 11 and elasticity in step, support track 11 level rotates and installs in the inside of casing 1, the subassembly slidable mounting is cleaned to elasticity in support track 11, and be located the inboard of backplate 4, and the surface in close contact with of the end of cleaning of the subassembly and clipboard 9 is cleaned to elasticity, the side of casing 1 is equipped with the operation mouth 10 with support track 11 one-to-one, and operation mouth 10 is located the position of the tip that is close to support track 11, the outer wall of synchronous regulation subassembly installation casing 1, and the tip of regulation end and support track 11 is connected.

In this embodiment, the lower end of the housing 1 is provided with a pull-out collection box 3 for collecting dust, and the pull-out collection box 3 is located below the back plate 4.

In this embodiment, the synchronous adjusting component includes adjusting motor 14, band pulley 13 and belt 15, adjusting motor 14 passes through rack-mount in the side of casing 1, and the drive end of adjusting motor 14 is connected with the tip of one of them support rail 11, every a band pulley 13 is all installed to the tip of support rail 11, belt 15 cover is established between two band pulleys 13.

In this embodiment, the elastic wiping component comprises a strip-shaped supporting plate 16, an elastic component 17, a pressing plate 18 and a wiping piece 12, the strip-shaped supporting plate 16 is slidably mounted in the supporting track 11, the pressing plate 18 is mounted on the side of the strip-shaped supporting plate 16 through the elastic component 17 and is parallel to the strip-shaped supporting plate 16, and the wiping piece 12 is arranged on the front surface of the pressing plate 18 and is in close sliding contact with the surface of the writing board 9.

In this embodiment, the end of the strip strut 16 is provided with a pull tab.

When the utility model is used, the utility model is arranged on a vertical supporting surface (such as the wall surface of a classroom), the writing board 9 positioned at the position of the writing window 2 is used for writing teaching contents, when the writing area of the writing board 9 needs to be switched, the stepping motor 8 is started, the stepping motor 8 drives the driving roller 7 to rotate, the rotation of the writing board 9 is carried out by the conveyor belt, so that a new writing area is transferred into the writing window 2, when the writing board, which has been written before at this time, passes through the wiping mechanism, wiping is performed by the wiper 12 in the wiping mechanism, thereby wiping the blackboard writing on the writing board completely without manual wiping, improving wiping efficiency, and when wiping, the dust is positioned in the shell 1, the dust falls into the drawing type collecting box 3, the phenomenon of dust guiding and flying is avoided, and the pollution of dust to the teaching environment is reduced;

the utility model discloses when using, the surface in close contact with of writing board 9 on wiper 12 among the wiping mechanism and the conveyer belt, elastic component 17 is in the slight compression state, when needing to change wiper 12 (or regularly clear up the dust on wiper 12), drive adjusting motor 14, adjusting motor 14 drives two support rails 11 through belt 15 and band pulley 13 and rotates 180, make wiper 12 and writing board 9's surface be in non-contact state, then utilize operation mouth 10 and handle to pull out bar fagging 16 outwards along support rail 11, thereby the convenient elastic wiping component that takes out, and the installation is also more convenient, have brought the facility for the use;

in addition, the conveying belt passes through the two guide rollers 6, and the inner surface of the conveying belt between the two guide rollers 6 is attached to the front surface of the back plate 4, so that the flatness of a vertical plane where the writing board 9 is located during writing is ensured, a supporting auxiliary effect is achieved, and the writing quality is ensured;

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A blackboard convenient to wipe for teaching is characterized by comprising a shell (1), a writing mechanism and a wiping mechanism, wherein the front of the shell (1) is provided with a writing window (2) for writing;

the writing mechanism comprises a back plate (4), a circulation switching mechanism, a guide pressing assembly and a writing board (9) for writing, wherein the back plate is arranged inside the shell (1) and is positioned at the position of the writing window (2), the circulation switching mechanism comprises a conveying belt, a stepping motor (8), a driving roller (7) and a driven roller, the driving roller (7) and the driven roller are horizontally and rotatably arranged in the shell (1), one of the driving roller and the driven roller is positioned above the back plate (4), the other driving roller is positioned below the back plate (4), the conveying belt is sleeved between the driving roller (7) and the driven roller and envelops the back plate (4) on the inner side of the conveying belt, the stepping motor (8) is arranged outside the shell (1), the driving end of the stepping motor is connected with the end part of the driving roller (7), and the guide pressing assembly comprises a guide roller (6) arranged at the upper end and the lower end of the back plate (4), the guide roller (6) is horizontally and rotatably mounted on the back plate (4) through a support (5), the conveying belt passes through the inner side of the guide roller (6), the inner surface of the conveying belt is tightly attached to the surface of the back plate (4) in a sliding manner, and the writing board (9) is bonded to the surface of the conveying belt;

the wiping mechanism comprises two synchronous wiping components which are distributed in parallel and a synchronous adjusting component which is used for driving the two synchronous wiping components to turn over, each synchronous wiping component comprises a supporting track (11) and an elastic wiping component, the supporting track (11) is horizontally and rotatably arranged inside the shell (1), the elastic wiping component is slidably arranged in the supporting track (11), and is positioned at the inner side of the back plate (4), and the wiping end of the elastic wiping component is tightly contacted with the surface of the writing board (9), the side end of the shell (1) is provided with operation ports (10) which are in one-to-one correspondence with the support rails (11), and the operation opening (10) is positioned close to the end of the support rail (11), the synchronous adjusting component is arranged on the outer wall of the shell (1), and the adjusting end of the synchronous adjusting component is connected with the end part of the supporting track (11).

2. The blackboard convenient to wipe and used for teaching as claimed in claim 1, wherein the lower end of the casing (1) is provided with a drawing type collection box (3) for collecting dust, and the drawing type collection box (3) is positioned below the back plate (4).

3. The blackboard convenient to wipe is characterized in that the synchronous adjusting component comprises an adjusting motor (14), belt wheels (13) and a belt (15), the adjusting motor (14) is installed on the side of the shell (1) through a rack, the driving end of the adjusting motor (14) is connected with the end of one of the supporting rails (11), one belt wheel (13) is installed on the end of each supporting rail (11), and the belt (15) is sleeved between the two belt wheels (13).

4. A blackboard for teaching purpose convenient to wipe according to claim 1, characterized in that the elastic wiping component includes a bar-shaped supporting plate (16), an elastic component (17), a pressing plate (18) and a wiping piece (12), the bar-shaped supporting plate (16) is installed in the supporting track (11) in a sliding manner, the pressing plate (18) is installed on the side of the bar-shaped supporting plate (16) through the elastic component (17) and is parallel to the bar-shaped supporting plate (16), and the wiping piece (12) is arranged on the front surface of the pressing plate (18) and is in close sliding contact with the surface of the writing board (9).

5. A blackboard for teaching purposes, which is easy to wipe and clean, as claimed in claim 4, characterised in that the ends of the strip-shaped support plates (16) are provided with handles.