CN114043814B - Education is with multi-functional education equipment and education is with multi-functional education equipment - Google Patents
Education is with multi-functional education equipment and education is with multi-functional education equipment Download PDFInfo
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- CN114043814B CN114043814B CN202111485934.5A CN202111485934A CN114043814B CN 114043814 B CN114043814 B CN 114043814B CN 202111485934 A CN202111485934 A CN 202111485934A CN 114043814 B CN114043814 B CN 114043814B
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- education
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- 239000000428 dust Substances 0.000 claims abstract description 68
- 230000005540 biological transmission Effects 0.000 claims description 53
- 238000007789 sealing Methods 0.000 claims description 47
- 238000004804 winding Methods 0.000 claims description 28
- 238000000605 extraction Methods 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 238000010009 beating Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000005338 frosted glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000002023 wood Substances 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
- 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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- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention relates to the technical field of teaching equipment and discloses multifunctional teaching equipment for education and a dust collection device for the teaching equipment, wherein the dust collection device for the teaching equipment comprises a felt, a piston body and a rubber rod, a piston plate is slidably arranged in the piston body, the rubber rod is fixedly arranged in the middle of the end face of the piston plate, which is close to the top of the piston body, the rubber rod can rub in the felt, the rubber rod can rub the felt in the piston body through the movement of the piston plate, and static electricity is generated through the friction of the rubber rod when dust is blown out by gas, so that dust is collected when the felt rubs a blackboard outside conveniently, and dust raising is effectively inhibited.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to multifunctional education equipment for education and multifunctional education equipment for education.
Background
The teaching equipment is a real object for the purposes of propagation technology and education, is a complete technological media, is an indispensable device in teenager technological activities, and comprises a blackboard which is generally made of wood boards or frosted glass and the like, and can be written on by using specific writing materials such as chalks and the like. Mostly black, dark green, white or beige.
Chinese patent No. CN104802573a discloses an automatic blackboard eraser mechanism for horizontal push-pull blackboard and its method of use, comprising fixing bar, long bar, "M" type connecting frame, baffle, handle shaft, handle, rotary long shaft, mounting bracket, diagonal draw bar, blackboard eraser. The blackboard eraser structure is vertically fixed at the joint part of two movable blackboards, the mounting bracket with the shaft hole is fixed at the top and the bottom of the blackboard outer frame through rivets or nuts, the 'M' -shaped connecting frame passes through the shaft hole of the mounting bracket and is fixed on the long shaft through the diagonal draw bar, the rotating handle is arranged in the middle of the 'M' -shaped connecting frame at the bottom, the handle shaft on the 'M' -shaped connecting frame can be wound to do up-and-down motion in a vertical plane, and meanwhile, the 'M' -shaped connecting frame can be driven to rotate left and right to tightly attach the blackboard eraser to the board surface, and handwriting erasing is realized by pulling the blackboard. The blackboard erasing device is simple in design, does not need electric power, and utilizes the inertia of the left and right push-pull blackboard to complete the blackboard erasing work, so that the efficiency of erasing handwriting of the push-pull blackboard is improved.
When the device is used, the blackboard eraser wipes chalk marks, chalk dust is remained on the chalk eraser, the chalk dust is usually removed by beating the blackboard eraser at a desk corner, and the chalk dust can be dispersed in a teaching room during the dust removal, so that the air quality in the teaching room is reduced, and the device is inconvenient to use.
Accordingly, there is a need to provide a multi-functional educational apparatus for education and a multi-functional educational apparatus for education that solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a multifunctional education device for education and a multifunctional education device for education, which are used for solving the problem that the conventional multifunctional education device for education in the background art is inconvenient to clean chalk dust on a blackboard eraser.
In order to achieve the above object, a structure for collecting chalk dust is required to be provided on the blackboard eraser, and a structure for recovering the chalk dust in the blackboard eraser is required to be provided on the blackboard.
Based on the thought, the invention provides the following technical scheme:
the utility model provides a dust extraction for educational equipment, includes felt, piston body and rubber stick, the inside slip of piston body is equipped with the piston board, the piston board is close to the fixed being equipped with of intermediate position of the terminal surface at piston body top the rubber stick, the rubber stick can be in the inside friction of felt, through the removal of piston board in the piston body, when producing gas and blowing out the dust, produce static through rubber stick friction felt, make things convenient for the felt to collect the dust when the blackboard is cleaned in the outside, effectively restrain the raise dust.
Preferably, the piston rod is fixedly arranged on the end face of the piston plate, which is far away from the top of the piston body, and the air outlet hole is formed in the top of the piston body.
Preferably, the rubber rod further comprises a plurality of semicircular bulges, the semicircular bulges are uniformly and fixedly arranged on two sides of the rubber rod, the diameter of the rubber rod is smaller than that of the air outlet hole, and the rubber rod can pass through the air outlet hole.
The utility model provides a multifunctional education equipment for education, includes the blackboard, the dust extraction for education equipment, the limit portion fixed mounting of blackboard has the supporting seat, be provided with the blackboard eraser on the supporting seat, the blackboard eraser includes the casing, one side of casing is provided with the opening, sliding mounting has the slide in the casing, one side fixed mounting that the slide is close to the opening has the felt, the opening part of casing is provided with and is used for sealing open-ended sealed curtain, be provided with the actuating mechanism that is used for driving the slide relative to the casing and remove on the casing, be provided with the drive mechanism that is used for driving sealed curtain rolling or expansion in the casing, be provided with the clean mechanism that is used for clean felt on the supporting seat, dust extraction fixed set up in one side of slide.
Preferably, the dust collection device for the education equipment further comprises a plurality of through holes, the through holes are arranged, the through holes are uniformly distributed on the other side of the felt on the sliding seat in an array mode, the outer side of each through hole is wrapped by the top of the piston body, the through holes are opposite to the air outlet holes, the rubber rod can penetrate through the air outlet holes and the through holes, the end portions of the piston rods are fixedly connected with the shell, the piston plate is driven to reciprocate inside the piston body through vibration of the vibration motor, generated gas is blown to the felt through the air outlet holes and the through holes, dust on the felt is blown off, meanwhile, round protrusions of the rubber rod are rubbed in the felt in a reciprocating mode to generate static electricity, dust is collected when the felt wipes a blackboard on the outer side, and dust is effectively restrained.
Preferably, the driving mechanism comprises a tension spring and a button, the tension spring is arranged in the shell, one end of the tension spring is fixedly connected with the sliding seat away from the side wall of the opening, the other end of the tension spring is fixedly connected with the inner wall of the shell, the button is slidably mounted on the shell, the button penetrates through the side wall of the shell, the button is close to the side wall of the tension spring and fixedly mounted with a push plate, the sliding seat is provided with an inclined block away from the side wall of the opening, the inclined surface of the inclined block is opposite to the side wall of the push plate away from the button, a spring is fixedly mounted in the shell, and one end of the spring is fixedly connected with the button.
Preferably, the opening part sliding mounting of casing has the slide bar, the top of sealed curtain with slide bar fixed connection, the bottom of casing inner chamber rotates installs the winding roller, the winding roller sets up under the slide bar, the bottom of sealed curtain with winding roller fixed connection, drive mechanism with winding roller drive connection.
Preferably, the transmission mechanism comprises a first rotating shaft, the first rotating shaft is rotatably arranged in the shell, a first transmission wheel is sleeved on the first rotating shaft, a first transmission belt is connected to the side wall of the push plate, the first transmission belt bypasses the first transmission wheel, one end of the first transmission belt, which is far away from the push plate, is connected with the side wall, which is far away from the sliding seat, of the first transmission belt, a first bevel gear is fixedly arranged at the bottom end of the first rotating shaft, a second rotating shaft is rotatably arranged at the bottom of the inner cavity of the shell, a second bevel gear is fixedly arranged at one end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, a second transmission wheel is fixedly arranged at the other end of the second rotating shaft, a third transmission wheel is fixedly arranged at the end of the winding roller, and the second transmission wheel is in transmission connection with the third transmission wheel.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a schematic view of a cross-sectional front view of the support base and the blackboard eraser of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic view of a three-dimensional structure of the blackboard eraser of the present invention;
FIG. 5 is a schematic view of the structure of the inside of the housing of the present invention;
FIG. 6 is a schematic view of the structure of the housing of the present invention from another view;
FIG. 7 is a schematic top view in cross section of the blackboard eraser of the invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7B according to the present invention;
FIG. 9 is a schematic three-dimensional view of a transmission mechanism according to the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9C in accordance with the present invention;
FIG. 11 is a schematic view of the main structure of the dust suction device for education equipment of the present invention;
fig. 12 is a cross-sectional view of the piston body of the present invention;
fig. 13 is a schematic view of the structure of the piston body of the present invention when triggered.
In the figure: 1. a blackboard; 2. a support base; 3. a housing; 4. a slide; 5. a felt; 6. a closing curtain; 7. A button; 8. a push plate; 9. a sloping block; 10. a tension spring; 11. a spring; 12. a first rotating shaft; 13. a first driving wheel; 14. a winding roller; 15. a first belt; 16. an elastic rope; 17. a slide bar; 18. a slide block; 19. a second rotating shaft; 20. a first bevel gear; 21. a second bevel gear; 22. a second driving wheel; 23. A third driving wheel; 24. a fourth driving wheel; 25. a second belt; 26. a recovery box; 27. a vibration motor; 28. a dust collection box; 29. a sealing plate; 30. a push rod; 31. a third rotating shaft; 32. a torsion spring; 33. dust collection device for education equipment; 331. a through hole; 332. a piston rod; 333. a piston plate; 334. a rubber rod; 335. a semicircular bulge; 336. a piston body; 337. and an air outlet hole.
Detailed Description
Embodiment one:
referring to fig. 1 to 10, in an embodiment of the invention, a multifunctional educational apparatus for education includes a blackboard 1, a supporting seat 2 is fixedly installed at the edge of the blackboard 1, a blackboard eraser is provided on the supporting seat 2, the blackboard eraser includes a housing 3, an opening is provided at one side of the housing 3, a sliding seat 4 is slidably installed in the housing 3, a felt 5 is fixedly installed at one side of the sliding seat 4 near the opening, a closing curtain 6 for closing the opening is provided at the opening of the housing 3, a driving mechanism for driving the sliding seat 4 to move relative to the housing 3 is provided on the housing 3, a transmission mechanism for driving the closing curtain 6 to wind or unwind is provided in the housing 3, and a cleaning mechanism for cleaning the felt 5 is provided on the supporting seat 2.
When the blackboard eraser is used for erasing chalk marks on the blackboard 1, firstly, the blackboard eraser is taken down from the supporting seat 2, then the sealing curtain 6 is opened through the transmission mechanism, the sliding seat 4 is driven by the driving mechanism to move towards the opening, the felt 5 is moved out of the shell 3, then the blackboard 1 can be erased through the felt 5, after the erasing is completed, the opening of the shell 3 is sealed through the sealing curtain 6 after the felt 5 is moved into the shell 3, then the blackboard eraser is placed on the supporting seat 2, chalk dust on the felt 5 is cleaned through the cleaning mechanism on the supporting seat 2, the chalk dust on the blackboard eraser can be prevented from drifting out through the sealing curtain 6, the air quality in a classroom is improved, and the blackboard eraser can be cleaned through the cleaning mechanism.
In this embodiment, preferably, the actuating mechanism includes extension spring 10 and button 7, extension spring 10 sets up in casing 3, the one end of extension spring 10 with slide 4 keeps away from open-ended lateral wall fixed connection, the other end of extension spring 10 with the inner wall fixed connection of casing 3, button 7 slidable mounting is on casing 3, just button 7 runs through the lateral wall of casing 3, button 7 is located the inside lateral wall fixed mounting of casing 3 and has push pedal 8, slide 4 keeps away from open-ended lateral wall fixed mounting and has sloping block 9, the inclined plane of sloping block 9 with push pedal 8 keeps away from the lateral wall relative setting of button 7, fixed mounting has spring 11 in the casing 3, the one end and the button 7 fixed connection of spring 11.
When the blackboard is specifically used, the button 7 is pressed when the blackboard 1 is used, the button 7 slides towards the shell 3, the push plate 8 is driven to slide towards the inclined block 9, the inclined block 9 pushes the sliding seat 4 to move towards the opening of the shell 3, the felt 5 is pushed out of the shell 3, after the button 7 is loosened, the button 7 resets under the action of the spring 11, the sliding seat 4 resets under the action of the tension spring 10, fingers can be pressed on the button 7 when the blackboard eraser is held, the button 7 does not need to be pressed, and the blackboard eraser is convenient to use.
In this embodiment, preferably, a sliding rod 17 is slidably installed at the opening of the housing 3, the top end of the sealing curtain 6 is fixedly connected with the sliding rod 17, a winding roller 14 is rotatably installed at the bottom of the inner cavity of the housing 3, the winding roller 14 is disposed right below the sliding rod 17, the bottom end of the sealing curtain 6 is fixedly connected with the winding roller 14, and the transmission mechanism is in driving connection with the winding roller 14; the transmission mechanism comprises a first rotating shaft 12, the first rotating shaft 12 is rotatably arranged in the shell 3, a first transmission wheel 13 is sleeved on the first rotating shaft 12, a first transmission belt 15 is connected to the side wall of the push plate 8, the first transmission belt 15 bypasses the first transmission wheel 13, one end of the first transmission belt 15 far away from the push plate 8 is connected with the side wall of the sliding seat 4 far away from the opening, a first bevel gear 20 is fixedly arranged at the bottom end of the first rotating shaft 12, a second rotating shaft 19 is rotatably arranged at the bottom of the inner cavity of the shell 3, a second bevel gear 21 is fixedly arranged at one end of the second rotating shaft 19, the second bevel gear 21 is meshed with the first bevel gear 20, a second transmission wheel 22 is fixedly arranged at the other end of the second rotating shaft 19, a third transmission wheel 23 is fixedly arranged at the end of the winding roller 14, a fourth transmission wheel 24 is rotatably arranged at the top of the inner cavity of the shell 3, a sliding rod 18 is fixedly arranged at the end of the sliding rod 17, the sliding rod 17 is slidably arranged at the opening of the shell 3 through the sliding rod 18, and the second transmission wheel 22, the third transmission wheel 24 is fixedly connected with the fourth transmission wheel 25 and the fourth transmission belt 25.
When the push plate 8 pushes the bevel block 9 to move, the sliding seat 4 pulls the first driving belt 15 to move, the first driving belt 15 drives the first driving wheel 13 to rotate when moving, the first driving wheel 13 drives the first rotating shaft 12 to rotate when rotating, the first bevel gear 20 is driven to rotate when the first rotating shaft 12 rotates, thereby driving the second bevel gear 21 to rotate, the second driving belt 21 drives the second rotating shaft 19 to rotate, thereby driving the second driving wheel 22 to rotate, the second driving wheel 22 drives the third driving wheel 23 and the fourth driving wheel 24 to rotate through the second driving belt 25, and drives the sliding block 18 to move downwards through the second driving belt 25, thereby enabling the sliding rod 17 to move downwards, enabling the sealing curtain 6 to gradually move downwards, meanwhile, the third driving wheel 23 drives the winding roller 14 to rotate, the sealing curtain 6 is wound on the winding roller 14 when the winding roller 14 rotates, thereby realizing rolling of the sealing curtain 6, and when the push plate 8 moves towards a direction far away from the bevel block 9, the first driving belt 15 moves reversely, thereby driving the first driving wheel 13 to rotate reversely, thereby driving the first driving wheel 12, the first bevel gear 20, the first bevel gear 21, the second bevel gear 21 and the second driving wheel 22 move reversely, and simultaneously driving the sliding rod 17 to move reversely, thereby driving the sliding rod 17 to move upwards, and enabling the sealing curtain 6 to move upwards, thereby driving the sliding rod 17 to move reversely, and opening the sealing shell to move reversely, and the sealing curtain 3 to move upwards; the rolling and the expansion of the sealing curtain 6 are driven through the movement of the push plate 8, the felt 5 can be moved out of the shell 3 and rolled up the sealing curtain 6 when the button 7 is pressed, the operation is convenient, the driving of the electric element is not needed, the energy is saved, the environment is protected, the opening of the shell 3 can be sealed when the sealing curtain 6 is not used, the chalk dust in the shell 3 is prevented from being dispersed when the sealing curtain is naturally placed, and environmental pollution in classrooms is avoided.
In this embodiment, preferably, the first driving belt 15 is meshed with the surface of the first driving wheel 13, when the closed curtain 6 is in the unfolded state, a gap is provided between the push plate 8 and the inclined block 9, and one end of the first driving belt 15, which is far away from the push plate 8, is elastically connected with the side wall of the sliding seat 4, which is far away from the opening, through an elastic rope 16.
When the sealing curtain 6 is used, in order to enable the sealing curtain 6 to be fully unfolded and then drive the sliding seat 4 to move, the elastic rope 16 is arranged, when the push plate 8 moves towards the inclined block 9, the first transmission belt 15 is pulled to move under the action of the pulling force of the elastic rope 16, so that the first transmission wheel 13 is driven to rotate, when the first transmission wheel 13 rotates to the limit position, namely after the sealing curtain 6 is fully rolled up, the push plate 8 just contacts with the inclined block 9, the push plate 8 gradually pushes the inclined block 9 along with the movement of the push plate 8, so that the felt 5 is driven to move through the sliding seat 4, the felt 5 moves out of the shell 3, at the moment, along with the sliding of the push plate 8, the sliding seat 4 slides towards the direction away from the opening under the action of the tension spring 10, so that the felt 5 moves into the shell 3, and as the first transmission belt 15 is in a loose state, the first transmission belt 15 can not drive the first transmission belt 13 to rotate when the push plate 8 just starts to move, when the first transmission belt 15 is tightly stretched, the felt 5 completely enters the shell 3, then the first transmission belt 15 is driven to move along with the push plate 8, the first transmission belt 6 is driven to move, the cost is low, the sealing curtain 6 is driven to move, and the sealing curtain 6 is driven to move, accordingly, the sealing effect is better, the sealing effect is realized, and the sealing effect is realized, and the sealing effect is realized.
Referring to fig. 2 to 7, in the embodiment of the present invention, when the sliding rod 17 moves toward the winding roller 14, the sliding rod 17 contacts with the felt 5 near the side wall of the felt 5, so that when the sliding rod 17 slides downward, the sliding rod 17 can scrape the chalk dust on the felt 5, thereby cleaning the felt 5.
In this embodiment, preferably, the dust collecting box 28 is fixedly installed at the bottom of the inner cavity of the housing 3, the dust scraped by the sliding rod 17 can be cleaned by the dust collecting box 28, and the chalk dust in the dust collecting box 28 can be recovered after the dust collecting box 28 is filled.
Referring to fig. 2, in the embodiment of the present invention, a discharge port is provided at the bottom of the housing 3, a through hole is provided at the bottom of the dust collecting box 28, a sealing plate 29 for sealing the through hole is rotatably mounted in the through hole, the cleaning mechanism includes a recovery box 26, the recovery box 26 is fixedly mounted at the bottom end of the supporting seat 2, the recovery box 26 is communicated with the inner cavity of the supporting seat 2, and a push rod 30 for pushing the sealing plate 29 is fixedly mounted in the inner cavity of the supporting seat 2.
When the blackboard eraser is inserted into the supporting seat 2, the sealing plate 29 is pushed to rotate under the pushing action of the ejector rod 30, so that the through hole at the bottom end of the dust collecting box 28 is opened, the recovery box 26 is communicated with the dust collecting box 28, and chalk dust in the dust collecting box 28 slides into the recovery box 26.
In this embodiment, preferably, the sealing plate 29 is rotatably installed in the through hole through a third rotating shaft 31, a torsion spring 32 is sleeved at an end of the third rotating shaft 31, one end of the torsion spring 32 is fixedly connected with the third rotating shaft 31, and the other end of the torsion spring 32 is fixedly connected with the dust collecting box 28.
When the sealing plate is particularly used, under the action of the torsion spring 32, after the top cover is separated from the sealing plate 29, the sealing plate 29 can automatically rotate to seal the through holes, and the opening and closing of the sealing plate 29 do not need to be manually controlled, so that the sealing plate is more convenient to use.
In this embodiment, preferably, the vibration motor 27 is fixedly mounted on the side wall of the supporting seat 2, and under the vibration action of the vibration motor 27, the chalk dust on the felt 5 is shaken off, so that the felt 5 is cleaned, and the chalk dust in the dust collecting box 28 can quickly slide into the recovering box 26.
Embodiment two:
the utility model provides a dust extraction for educational equipment, includes felt 5, piston body 336 and rubber stick 334, the inside slip of piston body 336 is equipped with piston board 333, piston board 333 is close to the fixed being equipped with of intermediate position of the terminal surface at piston body 336 top rubber stick 334, rubber stick 334 can be in the inside friction of felt 5, when producing gas through the removal of piston board in the piston body, produces static through rubber stick friction felt when producing the dust, makes things convenient for the felt to collect the dust when the blackboard is cleaned in the outside, effectively suppresses the dust.
Specifically, the piston rod 332 and the air outlet hole 337 are further included, the piston rod 332 is fixedly disposed on an end surface of the piston plate 333 away from the top of the piston body 336, and the air outlet hole 337 is formed on the top of the piston body 336.
Specifically, the rubber rod further comprises semicircular protrusions 335, the semicircular protrusions 335 are provided with a plurality of semicircular protrusions 335, the semicircular protrusions 335 are uniformly and fixedly arranged on two sides of the rubber rod 334, the diameter of the rubber rod 334 is smaller than that of the air outlet hole 337, and the rubber rod 334 can pass through the air outlet hole 337.
The utility model provides a multifunctional education equipment for education, includes the blackboard, including dust extraction 33 for the education equipment, the limit portion fixed mounting of blackboard has the supporting seat, be provided with the blackboard eraser on the supporting seat, the blackboard eraser includes the casing, one side of casing is provided with the opening, sliding mounting has the slide in the casing, one side fixed mounting that the slide is close to the opening has the felt, the opening part of casing is provided with the blind that is used for sealing the open-ended, be provided with the actuating mechanism that is used for driving the slide relative to casing removal on the casing, be provided with the drive mechanism that is used for driving blind rolling or expansion in the casing, be provided with the clean mechanism that is used for cleaning the felt on the supporting seat, dust extraction 33 fixedly set up in one side of slide 4.
Specifically, dust extraction 33 for educational apparatus still includes through-hole 331, through-hole 331 is equipped with a plurality ofly, a plurality of through-hole 331 array evenly distributed in the opposite side of felt 5 on the slide 4, the outside of through-hole 331 is wrapped up by the top of piston body 336, through-hole 331 with venthole 337 is relative, rubber stick 334 accessible venthole 337 and through-hole 331, the tip of piston rod 332 with casing 3 fixed connection drives the piston board through vibrating motor's vibration and reciprocates in the piston body inside, and the gas that produces blows felt department through venthole and through-hole, blows the dust on the felt, and the circular arch of rubber stick is reciprocal friction in the felt simultaneously, produces static, makes things convenient for the felt to collect the dust when the blackboard is cleaned in the outside, effectively suppresses the dust.
Specifically, actuating mechanism includes extension spring and button, the extension spring sets up in the casing, the one end of extension spring with the slide is kept away from open-ended lateral wall fixed connection, the other end of extension spring with the inner wall fixed connection of casing, button slidable mounting is on the casing, just the button runs through the lateral wall of casing, the button is close to the lateral wall fixed mounting of extension spring and has the push pedal, the slide is kept away from open-ended lateral wall fixed mounting and is had oblique piece, the inclined plane of oblique piece with the push pedal is kept away from the lateral wall of button and is set up relatively, fixed mounting has the spring in the casing, the one end and the button fixed connection of spring.
Specifically, the opening part slidable mounting of casing has the slide bar, the top of sealed curtain with slide bar fixed connection, the bottom of casing inner chamber rotates installs the winding roller, the winding roller sets up under the slide bar, the bottom of sealed curtain with winding roller fixed connection, drive mechanism with winding roller drive connection.
Specifically, the transmission mechanism comprises a first rotating shaft, the first rotating shaft is rotatably arranged in the shell, a first transmission wheel is sleeved on the first rotating shaft, a first transmission belt is connected to the side wall of the push plate, the first transmission belt bypasses the first transmission wheel, one end of the first transmission belt, which is far away from the push plate, is connected with the side wall, which is far away from the sliding seat, of the first transmission belt, a first bevel gear is fixedly arranged at the bottom end of the first rotating shaft, a second rotating shaft is rotatably arranged at the bottom of the inner cavity of the shell, a second bevel gear is fixedly arranged at one end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, a second transmission wheel is fixedly arranged at the other end of the second rotating shaft, a third transmission wheel is fixedly arranged at the end of the winding roller, and the second transmission wheel is in transmission connection with the third transmission wheel.
The working principle of the invention is as follows: when the blackboard eraser is used for wiping chalk marks on the blackboard 1, firstly, the blackboard eraser is taken down from the supporting seat 2, then the sealing curtain 6 is opened through the transmission mechanism, the sliding seat 4 is driven to move towards the opening through the driving mechanism, the felt 5 is moved out of the shell 3, then the blackboard 1 can be wiped through the felt 5, after wiping is completed, the felt 5 is moved into the shell 3, then the opening of the shell 3 is sealed through the sealing curtain 6, then the blackboard eraser is placed on the supporting seat 2, and the chalk dust on the felt 5 is cleaned through the cleaning mechanism on the supporting seat 2; when the blackboard 1 is used, the button 7 is pressed, so that the button 7 slides towards the shell 3, the push plate 8 is driven to slide towards the inclined block 9, the inclined block 9 pushes the sliding seat 4 to move towards the opening of the shell 3, so that the felt 5 is pushed out of the shell 3, when the push plate 8 pushes the inclined block 9 to move, the sliding seat 4 pulls the first driving belt 15 to move, the first driving belt 15 drives the first driving wheel 13 to rotate, the first driving wheel 13 rotates to drive the first rotating shaft 12 to rotate, the first rotating shaft 12 drives the first bevel gear 20 to rotate, so that the second bevel gear 21 is driven to rotate, the second rotating shaft 19 is driven to rotate when the second bevel gear 21 rotates, so that the second driving wheel 22 drives the third driving wheel 23 and the fourth driving wheel 24 to rotate through the second driving belt 25, and drives the sliding block 18 to move downwards through the second driving belt 25, so that the sealing curtain 6 moves downwards gradually, and simultaneously, the third driving wheel 23 drives the winding roller 14 to rotate, the sealing roller 6 is wound on the winding roller 14 when the winding roller 14 rotates, so that the sealing curtain 6 rotates, the second bevel gear 21 drives the second driving wheel 22 to rotate reversely, and the sealing curtain 6 moves towards the first driving wheel 9 and the second driving wheel 17 to reversely rotate, and the sealing curtain 6 moves upwards through the second driving wheel 23, and the second driving wheel 20 to reversely moves the sealing curtain 3 to move upwards through the second driving wheel 17; when the push plate 8 moves towards the inclined block 9, the first driving belt 15 is pulled to move under the action of the tension of the elastic rope 16, so that the first driving wheel 13 is driven to rotate, when the first driving wheel 13 rotates to the limit position, namely, after the closed curtain 6 is completely wound, the push plate 8 just contacts with the inclined block 9, the push plate 8 gradually pushes the inclined block 9 along with the continuous movement of the push plate 8 towards the inclined block 9, so that the felt 5 is driven to move through the sliding seat 4, the felt 5 is moved out of the shell 3, at the moment, along with the sliding of the push plate 8, one section of the first driving belt 15, which is close to the push plate 8, is gradually loosened, and when the button 7 is released, the sliding seat 4 slides towards the direction away from the opening under the action of the tension spring 10, so that the felt 5 is moved into the shell 3, and the first driving belt 15 can not drive the first driving wheel 13 to rotate when the push plate 8 just starts to move, and when the first driving belt 15 is tightened, the felt 5 completely enters the shell 3, and then the first driving belt 15 is driven to move along with the movement of the push plate 8, so that the first driving belt 13 is driven to rotate, so that the opening of the shell 6 is closed; when the blackboard eraser is inserted into the supporting seat 2, the sealing plate 29 is pushed to rotate under the pushing action of the ejector rod 30, so that the through hole at the bottom end of the dust collecting box 28 is opened, the recovery box 26 is communicated with the dust collecting box 28, chalk dust in the dust collecting box 28 slides into the recovery box 26, under the vibration action of the vibration motor 27, the chalk dust on the felt 5 is shaken off, so that the felt 5 is cleaned, the chalk dust in the dust collecting box 28 can quickly slide into the recovery box 26, the piston plate is driven to reciprocate in the piston body through the vibration of the vibration motor, generated gas is blown to the felt through the air outlet hole and the through hole, dust on the felt is blown off, meanwhile, the round protrusions of the rubber rod reciprocate in the felt to generate static electricity, dust is collected when the felt wipes the blackboard outside, and dust is effectively inhibited.
Claims (5)
1. The utility model provides a multi-functional educational equipment for education, includes blackboard, its characterized in that: including dust extraction for education equipment, including felt and piston body, the inside slip of piston body is equipped with the piston board, still includes the piston rod, the venthole, the piston rod fixed set up in the piston board is kept away from the terminal surface at piston body top, the venthole is seted up the top of piston body the limit portion fixed mounting of blackboard has the supporting seat, be provided with the blackboard eraser on the supporting seat, the blackboard eraser includes the casing, one side of casing is provided with the opening, slidable mounting has the slide in the casing, one side fixed mounting that the slide is close to the opening has the felt, the opening part of casing is provided with the blind that is used for sealing the opening, be provided with the actuating mechanism that is used for driving slide relative casing to remove on the casing, be provided with on the supporting seat and be used for clear clean mechanism of felt, dust extraction fixed set up in one side of slide.
2. An educational multifunctional educational apparatus according to claim 1, characterized in that: the dust collection device for the education equipment further comprises a plurality of through holes, the through holes are uniformly distributed on the other side of the felt on the sliding seat in an array mode, the outer side of each through hole is wrapped by the top of the piston body, the through holes are opposite to the air outlet holes, and the end portions of the piston rods are fixedly connected with the shell.
3. An educational multifunctional educational apparatus according to claim 1, characterized in that: the driving mechanism comprises a tension spring and a button, the tension spring is arranged in the shell, one end of the tension spring is fixedly connected with the sliding seat, which is far away from the side wall of the opening, the other end of the tension spring is fixedly connected with the inner wall of the shell, the button is slidably mounted on the shell, the button penetrates through the side wall of the shell, the push plate is fixedly mounted on the side wall of the button, which is close to the tension spring, the sliding seat is far away from the side wall of the opening, the inclined block is fixedly mounted on the inclined surface of the inclined block, the push plate is far away from the side wall of the button, the spring is fixedly mounted in the shell, and one end of the spring is fixedly connected with the button.
4. A multi-functional educational apparatus for education according to claim 3, wherein: the opening part sliding mounting of casing has the slide bar, the top of sealed curtain with slide bar fixed connection, the bottom of casing inner chamber rotates installs the winding roller, the winding roller sets up under the slide bar, the bottom of sealed curtain with winding roller fixed connection, drive mechanism with winding roller drive connection.
5. An educational multifunctional educational apparatus according to claim 4, characterized in that: the transmission mechanism comprises a first rotating shaft, the first rotating shaft is rotatably arranged in the shell, a first driving wheel is sleeved on the first rotating shaft, a first driving belt is connected to the side wall of the push plate, the first driving belt bypasses the first driving wheel, one end of the first driving belt, which is far away from the push plate, is connected with the side wall, which is far away from the opening, of the sliding seat, a first bevel gear is fixedly arranged at the bottom end of the first rotating shaft, a second rotating shaft is rotatably arranged at the bottom of the inner cavity of the shell, a second bevel gear is fixedly arranged at one end of the second rotating shaft, the second bevel gear is meshed with the first bevel gear, a second driving wheel is fixedly arranged at the other end of the second rotating shaft, a third driving wheel is fixedly arranged at the end part of the winding roller, and the second driving wheel is in transmission connection with the third driving wheel.
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| JPS59107297U (en) * | 1983-01-08 | 1984-07-19 | 富士通株式会社 | Eraser for electronic blackboard |
| KR930000112Y1 (en) * | 1990-07-16 | 1993-01-09 | 배외윤 | Auto-blackboard eraser device |
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| Publication number | Publication date |
|---|---|
| CN114043814A (en) | 2022-02-15 |
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