CN114851750B - English teaching device and method thereof - Google Patents
English teaching device and method thereof Download PDFInfo
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- CN114851750B CN114851750B CN202210686151.1A CN202210686151A CN114851750B CN 114851750 B CN114851750 B CN 114851750B CN 202210686151 A CN202210686151 A CN 202210686151A CN 114851750 B CN114851750 B CN 114851750B
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- air bag
- fixedly connected
- chalk
- elastic air
- collecting box
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000004140 cleaning Methods 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 13
- 239000000428 dust Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000005299 abrasion Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000010606 normalization Methods 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
- B43L13/02—Draughting machines or drawing devices for keeping parallelism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses an English teaching device and a method thereof, which belong to the technical field of English teaching and comprise a bottom plate, wherein a writing board is arranged above the bottom plate, a chalk fixing component is arranged on one side of the writing board, a propelling component is arranged in the chalk fixing component, and a cleaning component is arranged on one side of the chalk fixing component. According to the chalk line drawing device, the chalk is fixed through the U-shaped elastic air bag and the arc-shaped elastic piece, the shell is manually operated to drive the mounting frame to slide on the first sliding rail, parallelism and standardization of the chalk line drawing are guaranteed, teaching work of the device is improved, the second roller, the rectangular sliding block, the limiting plate and the first elastic air bag are extruded through the writing board, gas in the second roller, the rectangular sliding block, the limiting plate and the first elastic air bag is conveyed to the second elastic air bag, the second elastic air bag drives the first vertical plate, the flat plate, the guide rod, the U-shaped barrel and the chalk to move, compensation is conducted on the chalk, and stability and continuity of the chalk during line drawing are guaranteed.
Description
Technical Field
The invention belongs to the technical field of English teaching, and particularly relates to an English teaching device and method.
Background
Along with the improvement of teaching level, in order to provide better english teaching service for students, in english teaching, the standard writing of english letters and words is also the most basic part in english teaching, and in the english teaching of present school, in order to teach student's standard writing of english letters and words, it is often required that english teacher draws four-wire three-grid on the clipboard to instruct writing.
The existing English teaching device is characterized in that when a teacher writes teaching, chalk and a square are often used for manually and sequentially marking off, the teacher is required to carry the square, the square is easy to lose when in use, the teaching work is further affected, the operation is complicated when the teacher marks off, the teaching work of the teacher is increased, the teaching time is prolonged, meanwhile, the teacher easily generates non-parallel phenomenon among ruled lines in the marking process, the teaching work is affected, and certain improvement is required.
In addition, in the using process of the parallel four-line painting device in other existing solutions, an external dust collection component, such as a suction machine, is needed to conduct negative pressure cleaning of powder generated by a cleaning action of the blackboard eraser after writing is completed, so that a using machine is extremely unchanged and has high noise.
Disclosure of Invention
The invention aims at: in order to solve the problems that when a teacher writes teaching, chalk and a square are often used for manually and sequentially marking off, the teacher is required to carry the square with him, the square is easy to lose during use, the teaching work is further influenced, the operation is complicated during marking, the teaching work of the teacher is increased, the teaching time is prolonged, meanwhile, the teacher is easy to generate non-parallel phenomenon among ruled lines during marking, and the teaching work is further influenced.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
an English teaching device and a method thereof comprise a bottom plate, wherein a writing board is arranged above the bottom plate, a chalk fixing component is arranged on one side of the writing board, a propelling component is arranged inside the chalk fixing component, and a cleaning component is arranged on one side of the chalk fixing component;
the chalk fixing assembly comprises a shell, wherein a plurality of cylinder blocks are linearly distributed on one side of the interior of the shell, a U-shaped cylinder is fixedly connected to one side of the interior of the cylinder blocks, a U-shaped elastic air bag is fixedly connected to the interior of the U-shaped cylinder, an arc-shaped elastic piece is arranged on one side of the interior of the U-shaped elastic air bag, a chalk is arranged in the arc-shaped elastic piece, a plurality of first rollers are arranged on the outer side wall of the chalk, a stop block is fixedly connected to the other end of each first roller, an annular fixing block is slidably connected to the outer side wall of each stop block, the annular fixing block is fixedly connected to the inner side wall of the shell, a plurality of first springs are fixedly connected to the interior of each annular fixing block, and the other side of each first spring is fixedly connected with each stop block;
the top of casing is provided with adjusting part, adjusting part includes two installation pieces, and two installation piece symmetries set up in the top both sides of clipboard, are provided with first slide rail between two installation pieces, first slide rail fixedly connected with is in top one side of clipboard, the opposite side sliding connection of first slide rail has first slider, the opposite side fixedly connected with installing frame of first slider, the inside of installing frame is provided with the pivot, the first carousel of fixedly connected with behind the first through-hole that one side of pivot passed the installing frame and offered, fixed joint has the gear in the pivot, the gear sets up the inside at the installing frame, one side meshing of gear is connected with the rack, the bottom of rack is dismantled with the top of casing and is connected.
The propelling component executes automatic compensation action in the dynamic abrasion process of the chalk, the automatic compensation action enables the chalk to always touch the adjusting component, and the automatic compensation action provides controllable negative pressure powder adsorption power storage through the linkage of a plurality of air bags in the cleaning process of the cleaning component.
As a further description of the above technical solution:
the cleaning assembly comprises a second vertical plate, the second vertical plate is slidably connected in a first inner cavity formed in the shell, a plurality of fourth springs are linearly distributed on one side of the second vertical plate, and the other sides of the fourth springs are fixedly connected with the inner side wall of the shell.
As a further description of the above technical solution:
the bottom fixedly connected with L type piece of second riser, fixedly connected with blackboard eraser behind the second through-hole that one side of L type piece was seted up through the casing, blackboard eraser sliding connection is on the lateral wall of casing, the bottom fixedly connected with collecting box of blackboard eraser.
As a further description of the above technical solution:
the inside sliding connection of collecting box has the piston, one side fixedly connected with of piston a plurality of third springs, the opposite side fixed connection of third spring is on the inside wall of collecting box, inside one side of collecting box is the linear distribution and has a plurality of collecting holes, one side intercommunication of collecting box has the second connecting pipe, be provided with ooff valve and choke valve on the second connecting pipe.
As a further description of the above technical solution:
the propelling component comprises two rectangular sliding blocks, the rectangular sliding blocks are arranged in a second inner cavity formed in the shell, one side of each rectangular sliding block is rotationally connected with a second roller through a pin shaft, and one side, deviating from the second roller, of each rectangular sliding block is fixedly connected with a limiting plate.
As a further description of the above technical solution:
the other side fixedly connected with first elasticity gasbag of limiting plate, one side intercommunication of first elasticity gasbag has first air-supply line, the opposite side intercommunication of first elasticity gasbag has first connecting pipe, the other end intercommunication of first connecting pipe has the second elasticity gasbag, all be provided with the check valve on first connecting pipe and the first air-supply line.
As a further description of the above technical solution:
the second elastic air bag is arranged in a third inner cavity formed in the shell, one side of the second elastic air bag is fixedly connected with a first vertical plate, a plurality of flat plates are linearly distributed on one side, deviating from the second elastic air bag, of the first vertical plate, a guide rod is fixedly connected to the other side of the flat plates, and the other end of the guide rod passes through a third through hole formed in the cylinder block and then contacts with the U-shaped cylinder.
As a further description of the above technical solution:
the outer side wall of the guide rod is sleeved with a second spring, and two sides of the second spring are fixedly connected with the outer side walls of the flat plate and the cylinder block respectively.
As a further description of the above technical solution:
the utility model discloses a collection box, including dull and stereotyped both sides, dull and stereotyped both sides all fixedly connected with third elasticity gasbag, the third elasticity gasbag sets up in the third inner chamber, one side intercommunication of third elasticity gasbag has the second air-supply line, the opposite side intercommunication of third elasticity gasbag has the air-supply line, the other end and the collection box of air-supply line are linked together, all be provided with the check valve on second air-supply line and the air-supply line.
As a further description of the above technical solution:
the rack is characterized in that two sides of the rack are fixedly connected with second sliding blocks, the other sides of the second sliding blocks are slidably connected with second sliding rails, and the other sides of the second sliding rails are fixedly connected to the inner side walls of the mounting frame.
As a further description of the above technical solution:
the bottom four corners of bottom plate all fixedly connected with removes the wheel, the top fixedly connected with support column of bottom plate, the top fixedly connected with installation cover of support column, the top of installation cover passes through screw and clipboard fixed connection, the equal fixedly connected with triangle support floor of both sides of support column, the opposite side of triangle support floor and the top fixed connection of bottom plate.
The application method of the English teaching device comprises the following steps:
s1, placing a chalk in a cylindrical block, so that the chalk extrudes a U-shaped elastic air bag, and the chalk drives an arc-shaped elastic piece to fix the chalk;
s2, manually operating the first rotating handle to drive the rotating shaft and the gear to rotate, and driving the rack and the shell to move up and down through the gear so as to adjust the using position of the chalk;
s3, manually operating the shell to drive the mounting frame and the rack to slide on the first sliding rail, so that chalk is subjected to scribing operation on the writing board;
s4, along with consumption of chalk, the writing board extrudes the second roller, so that the second roller, the rectangular sliding block and the limiting plate extrude the first elastic air bag, and gas in the second roller, the rectangular sliding block and the limiting plate is conveyed into the second elastic air bag;
s5, driving the first vertical plate, the flat plate and the guide rod to move through the second elastic air bag, so that the guide rod drives the U-shaped barrel and the chalk to move towards the writing board, and compensating for the use of the chalk;
s6, simultaneously, the first vertical plate extrudes the third elastic air bag, and gas in the third elastic air bag is conveyed to one side of the interior of the collecting box through the second air inlet pipe;
s7, manually operating the second rotating handle to enable the connecting rod, the second vertical plate, the L-shaped block and the blackboard eraser to slide, and cleaning the surface of the writing board through the blackboard eraser;
s8, under the action of the third spring, the other side of the piston is in a negative pressure state, and dust generated during cleaning of the blackboard eraser is sucked into the collecting box through the collecting hole to assist in cleaning.
Optionally, step S9 is further included, press the casing towards the clipboard side at the cleaning in-process periodicity, this presses and makes to extrude the second gyro wheel, thereby make the rectangle slider drive the limiting plate and extrude first elasticity gasbag, carry the inside of second elasticity gasbag through first connecting pipe with the inside gas of first elasticity gasbag, drive first riser through the second elasticity gasbag and remove, first riser extrudees the third elasticity gasbag, carry the inside gas of third elasticity gasbag to the inside one side of collecting box through the second air-supply line, gas pressure makes third spring and piston remove in the inside of collecting box, store its gas again.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. according to the invention, the chalk is firstly placed in the cylinder block through the adjusting component and the chalk fixing component, the U-shaped elastic air bag is extruded by the chalk, the U-shaped elastic air bag drives the arc-shaped elastic piece to fix the chalk, then the first rotating handle is manually operated to drive the rotating shaft and the gear to rotate, the rack and the shell are driven to move up and down through the gear to adjust the using position of the chalk, the applicability of the device is enlarged, the shell is manually operated to drive the mounting frame and the rack to slide on the first sliding rail, the straightness of the chalk when the chalk is conveniently ensured, the parallelism and the normalization of the chalk when the chalk is drawn are ensured, the drawing adjustment time is further reduced, and the teaching work of the device is improved.
2. According to the invention, through the arranged propelling component, the writing board extrudes the second roller, the rectangular sliding block, the limiting plate and the first elastic air bag along with consumption of the chalk, gas in the first elastic air bag is conveyed into the second elastic air bag, the second elastic air bag drives the first vertical plate, the flat plate, the guide rod, the U-shaped barrel and the chalk to move towards the writing board, compensation is performed on the chalk, the chalk is prevented from being influenced, the stability and the continuity of the chalk in scribing are further ensured, the chalk is prevented from being influenced, meanwhile, the first vertical plate conveys the gas in the third elastic air bag to one side of the inside of the collecting box, the gas pressure enables the third spring and the piston to move in the collecting box, and the gas is stored.
3. According to the invention, the second rotating handle is manually operated through the cleaning assembly, so that the connecting rod, the second vertical plate, the L-shaped block and the blackboard eraser slide, the blackboard eraser cleans the surface of the writing board, portability of the device in use is improved, meanwhile, in the moving process of the second vertical plate, the control of the button is separated, the switch valve on the second connecting pipe is opened at the moment, the piston is driven to move under the acting force of the third spring, the other side of the piston is in a negative pressure state, dust generated during cleaning of the blackboard eraser is sucked into the collecting box through the collecting hole, auxiliary cleaning is performed on the dust, flying phenomenon of the dust is prevented, and the physical health of a teacher is influenced for a long time.
4. According to the invention, a special dust adsorption component is not required, negative pressure adsorption power can be stored by utilizing an automatic compensation mechanism for chalk abrasion, and the shell can be continuously and manually controllably replenished by pressing towards the writing board side in the cleaning process.
Drawings
Fig. 1 is a schematic overall perspective view of an english teaching apparatus and a method thereof according to the present invention;
fig. 2 is a schematic perspective view of a writing board in an english teaching device and a method thereof according to the invention;
fig. 3 is a schematic diagram of a front view structure of an english teaching device and a method thereof according to the invention;
fig. 4 is a schematic diagram of an internal structure of a housing in the english teaching device and the method thereof according to the invention;
fig. 5 is a schematic diagram of a partial enlarged structure of fig. 4 in an english teaching apparatus and a method thereof according to the invention;
fig. 6 is a schematic diagram of a partial enlarged structure of fig. 4 in an english teaching apparatus and a method thereof according to the invention;
fig. 7 is a schematic diagram of the internal structure of a collecting box in the english teaching device and the method thereof according to the invention;
fig. 8 is a schematic perspective view of a gear in an english teaching apparatus and a method thereof according to the invention.
Legend description:
1. a bottom plate; 2. a support column; 3. a mounting sleeve; 4. a writing board; 5. an adjustment assembly; 501. a mounting block; 502. a first slide rail; 503. a mounting frame; 504. a rack; 505. a gear; 506. a rotating shaft; 6. a chalk fixing assembly; 601. a housing; 602. a cylindrical block; 603. a U-shaped barrel; 604. a U-shaped elastic air bag; 605. an annular fixed block; 606. a first spring; 607. a stop block; 608. a first roller; 7. a propulsion assembly; 701. a rectangular slide block; 702. a second roller; 703. a limiting plate; 704. a first elastic balloon; 705. a first connection pipe; 706. a second elastic balloon; 707. a first riser; 708. a flat plate; 709. a guide rod; 710. a second spring; 711. a third elastic balloon; 712. a second air inlet pipe; 713. an air delivery pipe; 8. a cleaning assembly; 801. a second riser; 802. a connecting rod; 803. an L-shaped block; 804. a blackboard eraser; 805. a collection box; 806. a piston; 807. a third spring; 808. a collection hole; 809. a fourth spring; 9. a chalk; 10. triangular support rib plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: an English teaching device and a method thereof comprise a base plate 1, wherein a writing board 4 is arranged above the base plate 1, a chalk fixing component 6 is arranged on one side of the writing board 4, a pushing component 7 is arranged in the chalk fixing component 6, and a cleaning component 8 is arranged on one side of the chalk fixing component 6;
the chalk fixing assembly 6 comprises a shell 601, a plurality of cylinder blocks 602 are linearly distributed on one side of the inside of the shell 601, a U-shaped cylinder 603 is fixedly connected to one side of the inside of the cylinder block 602, a U-shaped elastic air bag 604 is fixedly connected to the inside of the U-shaped cylinder 603, an arc-shaped elastic piece is arranged on one side of the inside of the U-shaped elastic air bag 604, a chalk 9 is arranged in the arc-shaped elastic piece, a plurality of first rollers 608 are arranged on the outer side wall of the chalk 9, the other ends of the first rollers 608 are fixedly connected with a stop 607, an annular fixing block 605 is slidingly connected to the outer side wall of the stop 607, the annular fixing block 605 is fixedly connected to the inner side wall of the shell 601, a plurality of first springs 606 are fixedly connected to the inside of the annular fixing block 605, and the other side of the first springs 606 is fixedly connected with the stop 607;
the top of casing 601 is provided with adjusting part 5, adjusting part 5 includes two installation pieces 501, two installation pieces 501 symmetry set up in the top both sides of clipboard 4, be provided with first slide rail 502 between two installation pieces 501, first slide rail 502 fixed connection is in the top one side of clipboard 4, the opposite side sliding connection of first slide rail 502 has first slider, the opposite side fixedly connected with installing frame 503 of first slider, the inside of installing frame 503 is provided with pivot 506, the first carousel of fixedly connected with behind the first through-hole that installing frame 503 was seted up is passed to one side of pivot 506, fixed joint has gear 505 in pivot 506, gear 505 sets up in the inside of installing frame 503, one side meshing of gear 505 is connected with rack 504, the bottom of rack 504 is dismantled with the top of casing 601 and is connected.
The propelling component 7 executes automatic compensation action during the dynamic abrasion of the chalk 9, the automatic compensation action enables the chalk to always touch the adjusting component 5, and the automatic compensation action provides controllable negative pressure powder adsorption power storage through the linkage of a plurality of air bags during the cleaning working process of the cleaning component 8.
The implementation mode specifically comprises the following steps: the chalk 9 is placed in the cylinder block 602, the chalk 9 extrudes the U-shaped elastic air bag 604, gas in the U-shaped elastic air bag 604 extrudes to one side, the U-shaped elastic air bag 604 drives the arc-shaped elastic piece to fix the chalk 9, the first roller 608 and the first spring 606 assist in fixing one side of the chalk 9, the phenomenon that the chalk 9 breaks is easily caused when the chalk 9 is used is prevented from being caused by large external force, the first rotating handle is manually operated to drive the rotating shaft 506 to rotate, the linkage effect between the rotating shaft 506 and the gear 505 is utilized to transmit power to the gear 505, the gear 505 is meshed with the rack 504, the rack 504 drives the shell 601 to move up and down, the using position of the chalk 9 is further adjusted, the applicability of the device is enlarged, the shell 601 is manually operated to drive the installation frame 503 and the rack 504 to slide on the first sliding rail 502, the straightness of the chalk 9 when the chalk 9 is conveniently ensured, the parallelism and the normalization when the chalk 9 is used for scribing are ensured, further the scribing adjustment time is reduced, and the teaching work of the device is improved.
The cleaning assembly 8 comprises a second vertical plate 801, the second vertical plate 801 is slidingly connected in a first inner cavity formed in the shell 601, a plurality of fourth springs 809 are linearly distributed on one side of the second vertical plate 801, the other sides of the fourth springs 809 are fixedly connected with the inner side wall of the shell 601, an L-shaped block 803 is fixedly connected to the bottom of the second vertical plate 801, one side of the L-shaped block 803 penetrates through a second through hole formed in the shell 601 and then is fixedly connected with a blackboard eraser 804, the blackboard eraser 804 is slidingly connected to the outer side wall of the shell 601, the bottom of the blackboard eraser 804 is fixedly connected with a collecting box 805, a piston 806 is slidingly connected to the inside of the collecting box 805, one side of the piston 806 is fixedly connected with a plurality of third springs 807, the other side of the third springs 807 is fixedly connected to the inner side wall of the collecting box 805, a plurality of collecting holes 808 are linearly distributed on one side of the inside of the collecting box 805, one side of the collecting box 805 is communicated with a second connecting pipe, and a switch valve and a throttle valve are arranged on the second connecting pipe.
The implementation mode specifically comprises the following steps: the second rotating handle is manually operated to enable the connecting rod 802 to move, the linkage effect between the connecting rod 802 and the second vertical plate 801 is utilized, the second vertical plate 801 drives the L-shaped block 803 and the blackboard eraser 804 to slide, the surface of the writing board 4 is cleaned through the blackboard eraser 804, portability of the device in use is improved, meanwhile, the second vertical plate 801 breaks away from control of a button in the moving process, at the moment, a switch valve on the second connecting pipe is opened, at the moment, the piston 806 is driven to move under the acting force of the third spring 807, gas on one side of the third spring 807 is discharged through the second connecting pipe, the piston 806 is further enabled to move, the other side of the piston 806 is in a negative pressure state, dust generated during cleaning of the blackboard eraser 804 is sucked into the collecting box 805 through the collecting hole 808, the dust is prevented from flying, and the physical health of a teacher is influenced for a long time.
The propulsion component 7 comprises two rectangular sliding blocks 701, the rectangular sliding blocks 701 are arranged in a second inner cavity formed by the shell 601, one side of each rectangular sliding block 701 is rotationally connected with a second roller 702 through a pin shaft, one side of each rectangular sliding block 701, which is away from each second roller 702, is fixedly connected with a limiting plate 703, the other side of each limiting plate 703 is fixedly connected with a first elastic air bag 704, one side of each first elastic air bag 704 is communicated with a first air inlet pipe, the other side of each first elastic air bag 704 is communicated with a first connecting pipe 705, the other end of each first connecting pipe 705 is communicated with a second elastic air bag 706, check valves are arranged on the first connecting pipes 705 and the first air inlet pipes, each second elastic air bag 706 is arranged in a third inner cavity formed by the shell 601, one side of each second elastic air bag 706 is fixedly connected with a first vertical plate 707, one side of each first vertical plate 707, which is away from each second elastic air bag 706, is linearly distributed with a plurality of flat plates 708, the other side of the flat plate 708 is fixedly connected with a guide rod 709, the other end of the guide rod 709 passes through a third through hole formed in the cylindrical block 602 and then contacts with the U-shaped cylinder 603, a second spring 710 is sleeved on the outer side wall of the guide rod 709, two sides of the second spring 710 are fixedly connected with the flat plate 708 and the outer side wall of the cylindrical block 602 respectively, two sides of the flat plate 708 are fixedly connected with a third elastic air bag 711, the third elastic air bag 711 is arranged in a third inner cavity, one side of the third elastic air bag 711 is communicated with a second air inlet pipe 712, the other side of the third elastic air bag 711 is communicated with an air conveying pipe 713, the other end of the air conveying pipe 713 is communicated with a collecting box 805, check valves are arranged on the second air inlet pipe 712 and the air conveying pipe 713, two sides of the rack 504 are fixedly connected with a second sliding block, the other side of the second sliding block is slidingly connected with a second sliding rail, and the other side of the second sliding rail is fixedly connected with the inner side wall of the mounting frame 503, the bottom four corners of bottom plate 1 all fixedly connected with removes the wheel, the top fixedly connected with support column 2 of bottom plate 1, the top fixedly connected with installation cover 3 of support column 2, the top of installation cover 3 passes through screw and clipboard 4 fixed connection, the equal fixedly connected with triangle support rib plate 10 in both sides of support column 2, the opposite side of triangle support rib plate 10 and the top fixed connection of bottom plate 1.
The implementation mode specifically comprises the following steps: along with the consumption of the chalk 9, at this time, the second roller 702 contacts with the surface of the writing board 4, at this time, the second roller 702 is extruded, the linkage effect between the second roller 702 and the rectangular sliding block 701 is utilized, the rectangular sliding block 701 drives the limiting plate 703 to extrude the first elastic air bag 704, the gas inside the first elastic air bag 704 is conveyed to the inside of the second elastic air bag 706 through the first connecting pipe 705, the first vertical plate 707 is driven to move through the second elastic air bag 706, the flat plate 708 drives the guide rod 709 to move through the linkage effect between the first vertical plate 707 and the flat plate 708, at this time, the guide rod 709 drives the U-shaped barrel 603 and the chalk 9 to move towards the writing board 4, compensation is performed on the chalk 9, influence on the use of the chalk 9 is prevented, stability and continuity of the chalk 9 during scribing are further guaranteed, influence on the use of the chalk is prevented, meanwhile, the first vertical plate 707 extrudes the gas inside the third elastic air bag 711, the gas inside the third elastic air bag 711 is conveyed to the inner side of the collecting box 805 through the second air inlet pipe 712, the gas pressure enables the third spring 807 and the piston 806 to move in the collecting box 805 to store the gas inside the collecting box 805.
The application method of the English teaching device comprises the following steps:
s1, firstly, placing a chalk 9 in a cylindrical block 602, and enabling the chalk 9 to squeeze a U-shaped elastic air bag 604 to drive an arc-shaped elastic piece to fix the chalk 9;
s2, a first rotating handle is manually operated to drive a rotating shaft 506 and a gear 505 to rotate, and the gear 505 drives a rack 504 and a shell 601 to move up and down so as to adjust the using position of the chalk 9;
s3, manually operating the shell 601 to drive the mounting frame 503 and the rack 504 to slide on the first slide rail 502, so that the chalk 9 performs scribing operation on the writing board 4;
s4, along with consumption of the chalk 9, the writing board 4 extrudes the second roller 702, so that the second roller 702, the rectangular sliding block 701 and the limiting plate 703 extrude the first elastic air bag 704, and air in the second roller 702 is conveyed into the second elastic air bag 706;
s5, driving the first vertical plate 707, the flat plate 708 and the guide rod 709 to move through the second elastic air bag 706, so that the guide rod 709 drives the U-shaped barrel 603 and the chalk 9 to move towards the direction of the writing board 4, and compensating for the use of the chalk 9;
s6, simultaneously, the first vertical plate 707 extrudes the third elastic air bag 711, and the gas in the third elastic air bag 711 is conveyed to one side of the interior of the collecting box 805 through the second air inlet pipe 712;
s7, manually operating the second rotating handle to enable the connecting rod 802, the second vertical plate 801, the L-shaped block 803 and the blackboard eraser 804 to slide, and cleaning the surface of the writing board 4 through the blackboard eraser 804;
and S8, under the action of the third spring 807, the other side of the piston 806 is in a negative pressure state, and dust generated during cleaning of the blackboard eraser 804 is sucked into the collecting box 805 through the collecting hole 808, so that auxiliary cleaning is performed.
If the cleaning cannot be completed once, optionally, the following step S9 is further performed, where the step S9 is performed by periodically pressing the housing 601 towards the writing board 4 side during the cleaning process, where the pressing presses the second roller 702, so that the rectangular slider 701 drives the limiting plate 703 to press the first elastic air bag 704, the air inside the first elastic air bag 704 is conveyed to the inside of the second elastic air bag 706 through the first connecting pipe 705, the first vertical plate 707 is driven to move by the second elastic air bag 706, the first vertical plate 707 presses the third elastic air bag 711, the air inside the third elastic air bag 711 is conveyed to one side inside the collecting box 805 through the second air inlet pipe 712, and the air pressure moves the third spring 807 and the piston 806 inside the collecting box 805, so that the air is stored again.
Therefore, the invention can store negative pressure adsorption power by using the automatic compensation mechanism of chalk abrasion without arranging a special dust adsorption component, and can be continuously and manually compensated by pressing the shell towards the writing board side in the cleaning process.
When the chalk 9 is used, the chalk 9 is placed in the cylinder block 602, the chalk 9 extrudes the U-shaped elastic air bag 604, gas in the U-shaped elastic air bag 604 is extruded to one side, the air in the U-shaped elastic air bag 604 drives the arc-shaped elastic piece to fix the chalk 9, the first rotating handle is manually operated to drive the rotating shaft 506 to rotate, power is transmitted to the gear 505 by utilizing the linkage effect between the rotating shaft 506 and the gear 505, the gear 505 is meshed with the rack 504, the rack 504 drives the shell 601 to move up and down, the using position of the chalk 9 is further adjusted up and down, the shell 601 is manually operated to drive the mounting frame 503 and the rack 504 to slide on the first sliding rail 502, so that straightness of the chalk 9 during scribing is guaranteed, and parallelism and normalization of the chalk 9 during scribing are guaranteed;
along with the consumption of the chalk 9, at this time, the second roller 702 contacts with the surface of the writing board 4, at this time, the second roller 702 is extruded, the rectangular sliding block 701 drives the limiting plate 703 to extrude the first elastic air bag 704 by utilizing the linkage effect between the second roller 702 and the rectangular sliding block 701, the air in the first elastic air bag 704 is conveyed to the inside of the second elastic air bag 706 through the first connecting pipe 705, the first vertical plate 707 is driven to move by the second elastic air bag 706, the flat plate 708 drives the guide rod 709 to move by utilizing the linkage effect between the first vertical plate 707 and the flat plate 708, at this time, the guide rod 709 drives the U-shaped barrel 603 and the chalk 9 to move towards the writing board 4 to compensate the chalk 9, meanwhile, the first vertical plate 707 extrudes the third elastic air bag 711, the air in the third elastic air bag 711 is conveyed to one side of the inside the collecting box 805 through the second air inlet pipe 712, and the air pressure drives the third spring 807 and the piston 806 to move in the inside of the collecting box 805 to store the air;
the second rotating handle is manually operated to enable the connecting rod 802 to move, the linkage effect between the connecting rod 802 and the second vertical plate 801 is utilized, the second vertical plate 801 drives the L-shaped block 803 and the blackboard eraser 804 to slide, the surface of the writing board 4 is cleaned through the blackboard eraser 804, meanwhile, the second vertical plate 801 breaks away from control of a button in the moving process, at the moment, a switch valve on the second connecting pipe is opened, at the moment, the piston 806 is driven to move under the acting force of the third spring 807, gas on one side of the third spring 807 is discharged through the second connecting pipe, the piston 806 is further moved, the other side of the piston 806 is in a negative pressure state, and dust generated during cleaning of the blackboard eraser 804 is sucked into the collecting box 805 through the collecting hole 808 to assist cleaning.
The cleaning method further comprises the step S9 of periodically pressing the shell 601 towards the writing board 4 side in the cleaning process, the pressing enables the second roller 702 to be pressed, so that the rectangular sliding block 701 drives the limiting plate 703 to press the first elastic air bag 704, gas inside the first elastic air bag 704 is conveyed to the inside of the second elastic air bag 706 through the first connecting pipe 705, the first vertical plate 707 is driven to move through the second elastic air bag 706, the first vertical plate 707 presses the third elastic air bag 711, gas inside the third elastic air bag 711 is conveyed to one side inside the collecting box 805 through the second air inlet pipe 712, the third spring 807 and the piston 806 move in the collecting box 805 due to the gas pressure, and the gas is stored again.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (5)
1. The English teaching device comprises a bottom plate (1), and is characterized in that a writing board (4) is arranged above the bottom plate (1), a chalk fixing assembly (6) is arranged on one side of the writing board (4), a propelling assembly (7) is arranged in the chalk fixing assembly (6), and a cleaning assembly (8) is arranged on one side of the chalk fixing assembly (6);
the chalk fixing assembly (6) comprises a shell (601), a plurality of cylinder blocks (602) are linearly and vertically distributed on one side of the interior of the shell (601) at equal intervals, a U-shaped cylinder (603) is fixedly connected to one side of the interior of the cylinder block (602), a U-shaped elastic air bag (604) is fixedly connected to the interior of the U-shaped cylinder (603), arc-shaped elastic pieces are arranged on two inner side walls of the U-shaped elastic air bag (604) which are close to each other, a chalk (9) is arranged in the arc-shaped elastic pieces, a plurality of first rollers (608) are arranged on the outer side walls of the chalk (9), a stop block (607) is fixedly connected to the other end of the first rollers (608), an annular fixing block (605) is fixedly connected to the outer side wall of the stop block (607), a plurality of first springs (606) are fixedly connected to the inner side walls of the annular fixing block (605), and the other sides of the first springs (606) are fixedly connected to the stop block (607);
the top of casing (601) is provided with adjusting part (5), adjusting part (5) include two installation piece (501), and two installation piece (501) symmetry set up in the top both sides of clipboard (4), are provided with first slide rail (502) between two installation piece (501), first slide rail (502) fixed connection is in top one side of clipboard (4), the opposite side sliding connection of first slide rail (502) has first slider, the opposite side fixedly connected with installing frame (503) of first slider, the inside of installing frame (503) is provided with pivot (506), the first through-hole back fixedly connected with first turning handle that one side of pivot (506) was seted up through installing frame (503), fixed joint has gear (505) on pivot (506), gear (505) set up in the inside of installing frame (503), one side meshing of gear (505) is connected with rack (504), the bottom of rack (504) is fixedly connected with the top of casing (601);
the propulsion component (7) comprises two rectangular sliding blocks (701), the rectangular sliding blocks (701) are arranged in a second inner cavity formed in a shell (601), one side of each rectangular sliding block (701) is rotationally connected with a second roller (702) through a pin shaft, one side of each rectangular sliding block (701) deviating from each second roller (702) is fixedly connected with a limiting plate (703), the other side of each limiting plate (703) is fixedly connected with a first elastic air bag (704), one side of each first elastic air bag (704) is communicated with a first air inlet pipe, the other side of each first elastic air bag (704) is communicated with a first connecting pipe (705), the other end of each first connecting pipe (705) is communicated with a second elastic air bag (706), each second elastic air bag (706) is arranged in a third inner cavity formed in the shell (601), one side of each second elastic air bag (706) is fixedly connected with a first vertical plate (707), one side of each first vertical plate (707) deviating from each second elastic air bag (706) is linearly distributed with a plurality of flat plates (708), one side of each flat plate (708) is fixedly connected with a first connecting pipe (705), the other ends of the guide rods (709) are connected with a guide rod (709) and the other through a first through hole (709) which is formed in a sleeve, the guide rod (709) is contacted with the first side of the first connecting pipe (709) and the second connecting pipe (709) is arranged on the first connecting pipe, the two sides of the second spring (710) are fixedly connected with the flat plate (708) and the outer side wall of the cylinder block (602) respectively, the two sides of the flat plate (708) are fixedly connected with a third elastic air bag (711), the third elastic air bag (711) is arranged in a third inner cavity, one side of the third elastic air bag (711) is communicated with a second air inlet pipe (712), the other side of the third elastic air bag (711) is communicated with an air conveying pipe (713), and the other end of the air conveying pipe (713) is communicated with a collecting box (805);
the cleaning assembly (8) comprises a second vertical plate (801), the second vertical plate (801) is slidably connected in a first inner cavity formed in the shell (601), a plurality of fourth springs (809) are linearly distributed on one side of the second vertical plate (801), the other sides of the fourth springs (809) are fixedly connected with the inner side wall of the shell (601), an L-shaped block (803) is fixedly connected to the bottom of the second vertical plate (801), a blackboard eraser (804) is fixedly connected to one side of the L-shaped block (803) after penetrating through a second through hole formed in the shell (601), the blackboard eraser (804) is slidably connected to the outer side wall of the shell (601), a collecting box (805) is fixedly connected to the bottom of the blackboard eraser (804), a piston (806) is slidably connected to the inside of the collecting box (805), a plurality of third springs (807) are fixedly connected to one side of the piston (806), the other side of the third springs (807) is fixedly connected to the inner side wall of the collecting box (805), a plurality of collecting holes (805) are distributed on one side of the collecting box (805), and the collecting box (805) is linearly connected to one side of the collecting box (808);
the propelling component (7) executes automatic compensation action in the dynamic abrasion process of the chalk (9), the automatic compensation action enables the chalk to always touch the adjusting component (5), and the automatic compensation action provides controllable negative pressure powder adsorption power storage through the linkage of a plurality of air bags in the cleaning working process of the cleaning component (8).
2. The english teaching device according to claim 1, wherein the two sides of the rack (504) are fixedly connected with second sliding blocks, the other sides of the second sliding blocks are slidably connected with second sliding rails, and the other sides of the second sliding rails are fixedly connected to the inner side walls of the mounting frame (503).
3. The English teaching device according to claim 1, wherein the bottom four corners of the bottom plate (1) are fixedly connected with moving wheels, the top of the bottom plate (1) is fixedly connected with a support column (2), the top of the support column (2) is fixedly connected with a mounting sleeve (3), the top of the mounting sleeve (3) is fixedly connected with a writing board (4) through a screw, two sides of the support column (2) are fixedly connected with triangular support rib plates (10), and the other side of the triangular support rib plates (10) is fixedly connected with the top of the bottom plate (1).
4. A method of using the english teaching device according to claim 3, comprising the steps of:
s1, firstly, placing a chalk (9) in a cylinder block (602), and enabling the chalk (9) to extrude a U-shaped elastic air bag (604) so as to drive an arc-shaped elastic piece to fix the chalk (9);
s2, manually operating the first rotating handle to drive the rotating shaft (506) and the gear (505) to rotate, and driving the rack (504) and the shell (601) to move up and down through the gear (505), so as to adjust the using position of the chalk (9);
s3, manually operating the shell (601) to drive the mounting frame (503) and the rack (504) to slide on the first slide rail (502), so that the chalk (9) performs scribing operation on the writing board (4);
s4, along with consumption of the chalk (9), the writing board (4) extrudes the second roller (702), so that the second roller (702), the rectangular sliding block (701) and the limiting plate (703) extrude the first elastic air bag (704), and gas in the first elastic air bag is conveyed into the second elastic air bag (706);
s5, driving the first vertical plate (707), the flat plate (708) and the guide rod (709) to move through the second elastic air bag (706), enabling the guide rod (709) to drive the U-shaped barrel (603) and the chalk (9) to move towards the direction of the writing board (4), and compensating the use of the chalk (9);
s6, simultaneously, the first vertical plate (707) extrudes the third elastic air bag (711), and gas in the third elastic air bag (711) is conveyed to one side of the interior of the collecting box (805) through the second air inlet pipe (712);
s7, manually operating the second rotary handle to enable the connecting rod (802), the second vertical plate (801), the L-shaped block (803) and the blackboard eraser (804) to slide, and cleaning the surface of the writing board (4) through the blackboard eraser (804);
and S8, under the action of the third spring (807), the other side of the piston (806) is in a negative pressure state, and dust generated during cleaning of the blackboard eraser (804) is sucked into the collecting box (805) through the collecting hole (808) to assist in cleaning.
5. The method according to claim 4, further comprising step S5 of periodically pressing the housing (601) toward the writing board (4) during cleaning, the pressing causing the second roller (702) to press, thereby causing the rectangular slider (701) to drive the limiting plate (703) to press the first elastic air bag (704), conveying the gas inside the first elastic air bag (704) to the second elastic air bag (706) through the first connecting pipe (705), driving the first vertical plate (707) to move through the second elastic air bag (706), pressing the third elastic air bag (711) by the first vertical plate (707), conveying the gas inside the third elastic air bag (711) to the inner side of the collecting box (805) through the second air inlet pipe (712), and the gas pressure causing the third spring (807) and the piston (806) to move inside the collecting box (805) to store the gas again.
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|---|---|---|---|
| CN202210686151.1A CN114851750B (en) | 2022-06-16 | 2022-06-16 | English teaching device and method thereof |
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| CN202210686151.1A CN114851750B (en) | 2022-06-16 | 2022-06-16 | English teaching device and method thereof |
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| CN114851750A CN114851750A (en) | 2022-08-05 |
| CN114851750B true CN114851750B (en) | 2023-11-14 |
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| GB190914366A (en) * | 1909-06-19 | 1910-05-05 | George Watkins Jelfs | Appliance for Ruling Chalk and similar Lines on Black-boards and other Surfaces, particularly suitable for Teachers' use. |
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| CN114851750A (en) | 2022-08-05 |
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