CN114801562A - Supplementary education and teaching device - Google Patents
Supplementary education and teaching device Download PDFInfo
- Publication number
- CN114801562A CN114801562A CN202210485713.6A CN202210485713A CN114801562A CN 114801562 A CN114801562 A CN 114801562A CN 202210485713 A CN202210485713 A CN 202210485713A CN 114801562 A CN114801562 A CN 114801562A
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- blackboard body
- gear
- blackboard
- pivot
- ring channel
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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
- B43L21/04—Wiper holders
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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
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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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Abstract
The invention discloses an auxiliary education and teaching device which comprises a blackboard body with a hollow structure and a blackboard eraser positioned on the surface of the blackboard body, wherein a driving assembly used for driving the blackboard eraser to move along the horizontal direction is arranged in the blackboard body, the blackboard eraser comprises a base and a sponge block arranged on one side of the base close to the blackboard body, the sponge block and the blackboard body are mutually attached, the base and the sponge block are vertical, and the length of the base and the length of the sponge block are equal to the width of the blackboard body. According to the blackboard eraser, the driving assembly is arranged, so that when the handwriting on the surface of the blackboard body needs to be erased, the blackboard eraser is driven to move from one side of the blackboard body to the other side of the blackboard body along the horizontal direction, and the sponge block is attached to the surface of the blackboard body, so that the handwriting on the surface of the blackboard body can be erased when the sponge block moves, and the convenience and the automation degree of the blackboard body in use are effectively improved.
Description
Technical Field
The invention relates to the technical field of education, in particular to an auxiliary education and teaching device.
Background
Education refers narrowly to school education for specialized organizations; the method refers to social practice activities affecting physical and mental development of people in a broad sense. Teachers can write teaching contents on the blackboard in schools so as to be displayed to students conveniently.
However, in the practical use process, the conventional blackboard requires a student or a teacher to manually erase the handwriting on the blackboard, so as to facilitate writing and displaying again, and the operation is complicated.
Therefore, an auxiliary education and teaching device is provided to solve the above problems.
Disclosure of Invention
The invention aims to provide an auxiliary education and teaching device which is provided with a driving assembly, so that when the handwriting on the surface of a blackboard body needs to be erased, the blackboard eraser is driven to move from one side of the blackboard body to the other side of the blackboard body along the horizontal direction, and as a sponge block is attached to the surface of the blackboard body, the handwriting on the surface of the blackboard body can be erased when the sponge block moves, so that the convenience of the blackboard body in use and the automation degree are effectively improved, and the problem that a student or a teacher needs to manually erase the handwriting on the blackboard body is solved.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an auxiliary education and teaching device, includes hollow structure's blackboard body to and be located the blackboard eraser on blackboard body surface, this internal drive assembly that is used for driving the blackboard eraser and removes along the horizontal direction that is provided with of blackboard, the blackboard eraser includes the base to and install the sponge piece that is close to blackboard body one side at the base, the sponge piece laminates with the blackboard body each other, base and sponge piece are vertical form, and the length of base and sponge piece equals with the width of blackboard body.
Preferably, drive assembly connects the threaded rod in the blackboard body cavity including rotating, the threaded rod runs through in the blackboard body completely, and threaded rod surface threaded connection has the female cover of rectangle, the equal vertically fixed gag lever post of the upper surface of female cover of rectangle and lower surface, two the gag lever post all extends to the blackboard body outside, blackboard body upper surface and lower surface are all seted up and are supplied the gliding spacing spout of gag lever post, two the equal fixedly connected with extension rod of extension end of gag lever post, two be fixed with the connecting rod between the extension rod.
Preferably, the integration of blackboard body front side surface is provided with the rectangle shell that is used for placing the blackboard eraser, the rectangle shell is located the side of blackboard body, communicate each other between rectangle shell and the blackboard body, the rectangle shell is close to blackboard eraser one side and is the opening form, the connecting rod is close to rectangle shell surface one side fixedly connected with extension post, extension post one end fixedly connected with is used for covering the baffle that closes the rectangle shell opening part, base vertical fixation is on the baffle surface.
Preferably, this internal deashing subassembly that is used for patting the sponge piece that is provided with of blackboard, the deashing subassembly is connected in this internal first pivot of blackboard including rotating, first pivot surface has cup jointed the board of patting, this internal rotation of blackboard is connected with the second pivot that is parallel to each other with the threaded rod, two catch bars have been cup jointed on second pivot surface, two the catch bar all conflicts with the board intermittent type nature of patting, and two the catch bar is located the both sides that first pivot is relative respectively.
Preferably, this internal linkage subassembly that is provided with of blackboard, the linkage subassembly is including rotating the first gear of connecting in blackboard body, first gear is driven by external drive equipment, threaded rod surface cover be equipped with the second gear of first gear intermittent type nature meshing, first bar groove has been seted up on the threaded rod surface, the integration is provided with the slider with first bar groove adaptation in the second gear.
Preferably, the surface cover of second pivot is equipped with the third gear with first gear intermittent type nature meshing, second bar groove has been seted up on second pivot surface, the integration is provided with the slider with second bar groove slip adaptation in the third gear.
Preferably, a first annular groove is formed in the surface of the second gear, the tangent plane of the first annular groove is in a convex shape, a first annular frame is connected to the first annular groove in a rotating mode, a second annular groove is formed in the surface of the third gear, the tangent plane of the second annular groove is in a convex shape, a second annular frame is connected to the second annular groove in a rotating mode, a linkage rod is fixedly connected between the second annular frame and the first annular frame, a spring is fixedly connected between the linkage rod and the inner wall of the blackboard body, and an extrusion rod is vertically fixed on one side, close to the surface of the second gear, of the rectangular inner thread sleeve.
Preferably, the blackboard body lower surface is provided with a dust collection assembly for adsorbing chalk dust in a rectangular shell, the dust collection assembly comprises an annular box fixedly connected to the lower surface of the blackboard body, the lower end of a first rotating shaft extends to the outer side of the blackboard body, the annular box is sleeved on the first rotating shaft, a baffle is fixedly connected in the annular box, a swinging rod is sleeved on the surface of the first rotating shaft, one end of the swinging rod extends into the cavity of the annular box, the surface of the annular box is provided with an arc-shaped groove for the swinging rod to slide, one end of the swinging rod is fixedly connected with an arc-shaped plate for sealing the arc-shaped groove, the surface of the arc-shaped plate is integrally fixed with a piston plate, the piston plate and the baffle divide the annular box into two cavities, an activated carbon adsorption layer is arranged in each cavity, and the lower surface of the annular box is provided with two one-way air outlet valves symmetrically distributed, and each one-way air outlet valve corresponds to a different cavity, two one-way air inlet valves are installed between the annular box and the rectangular shell, and each one-way air inlet valve corresponds to a different cavity.
Preferably, the surface of the first rotating shaft is sleeved with a dust beating part which is U-shaped.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the blackboard eraser, the driving assembly is arranged, so that when the handwriting on the surface of the blackboard body needs to be erased, the blackboard eraser is driven to move from one side of the blackboard body to the other side of the blackboard body along the horizontal direction, and the sponge block is attached to the surface of the blackboard body, so that the handwriting on the surface of the blackboard body can be erased when the sponge block moves, and the convenience and the automation degree of the blackboard body in use are effectively improved.
2. According to the invention, the ash cleaning component is arranged, so that when the sponge block moves into the rectangular shell, dust on the surface of the sponge block can be beaten off, and the sponge block can be used for the next time.
3. The linkage assembly is arranged, so that the precursor driving threaded rod can rotate conveniently, and the blackboard eraser is driven to horizontally move to erase the handwriting on the surface of the blackboard body; clean back threaded rod stall rotation when blackboard body surface, the second pivot of redriving is rotatory, beats work to the sponge piece.
4. According to the invention, the dust collection assembly is arranged, so that chalk dust in the rectangular shell can be sucked away while the sponge block is flapped.
Drawings
FIG. 1 is a schematic structural diagram of an auxiliary educational and teaching apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view of the blackboard body of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the ash removal assembly of the present invention;
FIG. 4 is a first schematic structural view of a linkage assembly according to the present invention;
FIG. 5 is a second schematic structural view of a linkage assembly according to the present invention;
FIG. 6 is a schematic view of the dust collection assembly of the present invention;
FIG. 7 is a schematic structural view of a gray-shooting component of the present invention.
In the figure: 1. a blackboard body; 11. a limiting chute; 2. a blackboard eraser; 21. a base; 22. a sponge block; 3. a drive assembly; 31. a threaded rod; 311. a first bar-shaped groove; 32. a rectangular internal thread sleeve; 33. a limiting rod; 34. an extension rod; 35. a connecting rod; 36. extending the column; 4. a rectangular shell; 41. a baffle plate; 5. a soot cleaning assembly; 51. a first rotating shaft; 52. beating a plate; 53. a second rotating shaft; 531. a second strip groove; 54. a push rod; 55. shooting a gray piece; 6. a linkage assembly; 61. a first gear; 62. a second gear; 621. a first annular groove; 622. a first ring frame; 63. a third gear; 631. a second annular groove; 632. a second annular frame; 64. a linkage rod; 65. a spring; 66. an extrusion stem; 7. a dust collection assembly; 71. a ring case; 72. a partition plate; 73. a swing lever; 74. an arc-shaped slot; 75. an arc-shaped plate; 76. a piston plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to fig. 1-2, the present invention provides a technical solution: an auxiliary education and teaching device comprises a blackboard body 1 with a hollow structure and a blackboard eraser 2 positioned on the surface of the blackboard body 1, wherein a driving assembly 3 used for driving the blackboard eraser 2 to move along the horizontal direction is arranged in the blackboard body 1; the blackboard eraser 2 comprises a base 21 and a sponge block 22 arranged on one side of the base 21 close to the blackboard body 1, and the sponge block 22 is mutually attached to the blackboard body 1; the base 21 and the sponge block 22 are vertical, and the length of the base 21 and the length of the sponge block 22 are equal to the width of the blackboard body 1.
In use, through setting up drive assembly 3 to in the time of the writing on blackboard body 1 surface is cleaned to needs, drive blackboard eraser 2 removes to one side in addition from blackboard body 1 one side along the horizontal direction, because the laminating of sponge piece 22 is on blackboard body 1 surface, can wipe the writing on blackboard body 1 surface when the sponge piece 22 removes, effectual improvement blackboard body 1 convenient degree in use, and degree of automation.
Drive assembly 3 is including rotating the threaded rod 31 of connecting in the 1 cavity of blackboard body, threaded rod 31 runs through in blackboard body 1 completely, and threaded rod 31 surface threaded connection has the interior thread bush of rectangle 32, the equal vertical fixation of the interior thread bush of rectangle 32 upper surface and lower surface has gag lever post 33, two gag lever post 33 all extends to the 1 outside of blackboard body, the gliding spacing spout 11 of confession gag lever post 33, two is all seted up to blackboard body 1 upper surface and lower surface the equal fixedly connected with extension rod 34 of extension end of gag lever post 33, two be fixed with connecting rod 35 between the extension rod 34.
The integration of blackboard body 1 front side surface is provided with rectangular shell 4 that is used for placing blackboard eraser 2, rectangular shell 4 is located blackboard body 1's side, communicate each other between rectangular shell 4 and the blackboard body 1, rectangular shell 4 is close to blackboard eraser 2 one side and is the opening form, connecting rod 35 is close to rectangular shell 4 surperficial one side fixedly connected with extension post 36, extension post 36 one end fixedly connected with is used for covering the baffle 41 that closes rectangular shell 4 opening part, base 21 vertical fixation is on baffle 41 surface.
In use, in the initial state, the sponge block 22 and the base 21 are located on one side of the blackboard body 1 far away from the rectangular shell 4, the threaded rod 31 is rotated, the moving path of the rectangular internal thread sleeve 32 is limited by the two limiting rods 33 and the limiting sliding groove 11, the rectangular internal thread sleeve 32 cannot rotate along with the rotation of the threaded rod 31, the threaded rod 31 can drive the threaded connection to move on one side of the rectangular internal thread sleeve 32 on the surface thereof to be close to the rectangular shell 4 while rotating, the rectangular internal thread sleeve 32 drives the two limiting rods 33 fixed on the surface thereof, and the extension rods 34 fixed on the extension ends of the two limiting rods 33 move on one side of the rectangular shell 4 along with the threaded connection, the two extension rods 34 drive the connecting rod 35 to move on one side of the rectangular shell 4 along with the threaded connection, the connecting rod 35 drives the baffle plate 41 to move on one side of the rectangular shell 4 along with the rectangular internal thread sleeve 32, the baffle plate 41 drives the base 21 fixed on the surface and the sponge block 22 installed on the surface of the base 21 to move on one side of the rectangular shell 4 along with the rectangular shell In the case 4, the opening of the rectangular case 4 is covered by the baffle 41, so that the base 21 and the sponge block 22 are moved from one side of the blackboard body 1 to the other side of the blackboard body 1, and the writing on the surface of the blackboard body 1 is wiped off.
Example two
Referring to fig. 3-4, on the basis of the first embodiment, a dust cleaning assembly 5 for beating the sponge block 22 is further disposed in the blackboard body 1.
In use, when the sponge block 22 cleans the handwriting on the blackboard body 1, the surface can be stained with a lot of chalk dust, and the ash cleaning component 5 is arranged, so that when the sponge block 22 moves into the rectangular shell 4, the dust on the surface can be knocked off, and the blackboard can be used next time.
The ash removal component 5 comprises a first rotating shaft 51 which is rotatably connected in the blackboard body 1, a beating plate 52 is sleeved on the surface of the first rotating shaft 51, a second rotating shaft 53 which is parallel to the threaded rod 31 is rotatably connected in the blackboard body 1, two push rods 54 are sleeved on the surface of the second rotating shaft 53, the two push rods 54 are intermittently abutted against the beating plate 52, and the two push rods 54 are respectively positioned on two opposite sides of the first rotating shaft 51.
In use, in an initial state, one of the pushing rods 54 faces downwards, the other pushing rod 54 faces upwards, the second rotating shaft 53 is rotated, so that the second rotating shaft 53 drives the two pushing rods 54 sleeved on the surface of the second rotating shaft to rotate, and because the two pushing rods 54 face different directions and are respectively positioned at two sides of the first rotating shaft 51, one of the pushing rods 54 can firstly push the clapper plate 52, so that the clapper plate 52 rotates around the first rotating shaft 51 to clap the sponge block 22;
when one of the pushing rods 54 is separated from the clapper plate 52, the other pushing rod 54 pushes the clapper plate 52 again, so that the clapper plate 52 rotates reversely around the first rotating shaft 51, the sponge block 22 is flapped again, and dust on the surface of the sponge block 22 is removed.
EXAMPLE III
Referring to fig. 4-5, on the basis of the second embodiment, a linkage assembly 6 is further disposed in the blackboard body 1.
When in use, the linkage assembly 6 is arranged, so that the driving threaded rod 31 can rotate to drive the blackboard eraser 2 to horizontally move to erase the writing on the surface of the blackboard body 1; when the surface of the blackboard body 1 is wiped clean, the threaded rod 31 stops rotating, and then the second rotating shaft 53 is driven to rotate, so that the sponge block 22 is flapped.
The linkage assembly 6 comprises a first gear 61 which is rotatably connected in the blackboard body 1, the first gear 61 is driven by external driving equipment, a second gear 62 which is intermittently meshed with the first gear 61 is sleeved on the surface of the threaded rod 31, a first strip-shaped groove 311 is formed in the surface of the threaded rod 31, and a sliding block which is matched with the first strip-shaped groove 311 is integrally arranged in the second gear 62;
a third gear 63 intermittently meshed with the first gear 61 is sleeved on the surface of the second rotating shaft 53, a second strip-shaped groove 531 is formed in the surface of the second rotating shaft 53, and a sliding block in sliding fit with the second strip-shaped groove 531 is integrally arranged in the third gear 63;
The external driving device is a motor.
In use, in an initial state, the second gear 62 is meshed with the first gear 61, the external driving device is started, the motor drives the first gear 61 to rotate, the first gear 61 drives the second gear 62 meshed with the first gear to rotate, the second gear 62 drives the third gear 63 meshed with the second gear to rotate, the third gear 63 drives the threaded rod 31 to rotate, the threaded rod 31 drives the rectangular internal thread sleeve 32 connected to the surface of the threaded rod to move towards one side close to the second gear 62, the rectangular internal thread sleeve 32 drives the extrusion rod 66 fixed to the surface of the rectangular internal thread sleeve to move along with the rectangular internal thread sleeve, so that the end of the extrusion rod 66 is gradually attached to the second gear 62 and pushes the second gear 62, the second gear 62 moves towards one side away from the rectangular internal thread sleeve 32 and is separated from the first gear 61;
meanwhile, since the linkage rod 64 is fixed between the first annular frame 622 and the second annular frame 632, when the second gear 62 moves away from the rectangular internal thread sleeve 32, the third gear 63 can be driven to move away from the rectangular internal thread sleeve 32, so that the third gear 63 and the first gear 61 are engaged with each other, the first gear 61 drives the third gear 63 to rotate along with the third gear, and the third gear 63 drives the second rotating shaft 53 to rotate along with the third gear 63.
Example four
Referring to fig. 6, on the basis of the third embodiment, a dust suction assembly 7 for sucking the chalk dust in the rectangular casing 4 is further disposed on the lower surface of the blackboard body 1.
In use, the blackboard eraser 2 is flapped after moving into the rectangular shell 4, and chalk dust on the sponge block 22 can be flapped in the rectangular shell 4, and the dust collection assembly 7 is arranged, so that the chalk dust in the rectangular shell 4 can be sucked away when the sponge block 22 is flapped.
The dust collection assembly 7 comprises an annular box 71 fixedly connected to the lower surface of the blackboard body 1, the lower end of the first rotating shaft 51 extends to the outer side of the blackboard body 1, the annular box 71 is sleeved on the first rotating shaft 51, a partition plate 72 is fixedly connected in the annular box 71, a swinging rod 73 is sleeved on the surface of the first rotating shaft 51, one end of the swinging rod 73 extends into a cavity of the annular box 71, an arc-shaped groove 74 for the swinging rod 73 to slide is formed in the surface of the annular box 71, an arc-shaped plate 75 for sealing the arc-shaped groove 74 is fixedly connected at one end of the swinging rod 73, a piston plate 76 is integrally fixed on the surface of the arc-shaped plate 75, the annular box 71 is divided into two cavities by the piston plate 76 and the partition plate 72, and an active carbon adsorption layer is arranged in each cavity;
the lower surface of the ring box 71 is provided with two one-way air outlet valves which are symmetrically distributed, each one-way air outlet valve corresponds to a different cavity, two one-way air inlet valves are arranged between the ring box 71 and the rectangular shell 4, and each one-way air inlet valve corresponds to a different cavity.
In use, when the two pushing rods 54 push the clapper plate 52 all the time, the clapper plate 52 is driven to rotate back and forth to clap the sponge block 22, meanwhile, the clapper plate 52 drives the first rotating shaft 51 to rotate back and forth, the first rotating shaft 51 drives the swinging rod 73 sleeved on the surface of the first rotating shaft 51 to rotate back and forth, the swinging rod 73 drives the piston plate 76 to swing back and forth through the arc plate 75, so that the piston plate 76 continuously extrudes the air in the two cavities, and simultaneously, the air with the chalk dust in the rectangular shell 4 is sucked, and the activated carbon adsorption layer in the annular box 71 can adsorb the chalk dust in the air.
EXAMPLE five
Referring to fig. 7, the present embodiment is substantially the same as the second embodiment except that the clapper 52 is replaced by a clapper 55.
The surface of the first rotating shaft 51 is sleeved with a dust shooting part 55, and the dust shooting part 55 is U-shaped.
In use, because the sponge block 22 is wiping the blackboard body 1 clean back, chalk dust will generally concentrate on the side of the sponge block 22, through setting up the ash-patting piece 55 of the U-shaped, when clapping the ash-patting piece 55 in the round trip movement, can concentrate on and pat the left and right sides of the sponge block 22.
The working principle is as follows: when the auxiliary education and teaching device is used, in an initial state, the second gear 62 is meshed with the first gear 61, an external driving device motor is started to drive the first gear 61 to rotate, the first gear 61 drives the second gear 62 meshed with the first gear to rotate along with the first gear, the second gear 62 drives the third gear 63 meshed with the second gear to rotate along with the second gear, and the third gear 63 drives the threaded rod 31 to rotate along with the third gear;
in an initial state, the sponge block 22 and the base 21 are located on one side of the blackboard body 1 far away from the rectangular shell 4, the threaded rod 31 is rotated, since the moving path of the rectangular internal thread sleeve 32 is limited by the two limiting rods 33 and the limiting sliding grooves 11, the rectangular internal thread sleeve 32 cannot rotate along with the rotation of the threaded rod 31, the threaded rod 31 can drive the rectangular internal thread sleeve 32 which is in threaded connection with the surface of the threaded rod to move towards one side close to the rectangular shell 4 while rotating, the rectangular internal thread sleeve 32 drives the two limiting rods 33 which are fixed on the surface of the rectangular internal thread sleeve, the extension rods 34 which are fixed at the extension ends of the two limiting rods 33 move towards one side close to the rectangular shell 4, the two extension rods 34 drive the connecting rod 35 to move towards one side close to the rectangular shell 4, the connecting rod 35 drives the baffle plate 41 to move towards one side close to the rectangular shell 4 along with the baffle plate 41 through the extension columns 36, the baffle plate 41 drives the base 21 which is fixed on the surface, and the sponge block 22 which is installed on the surface of the base 21 to move into the rectangular shell 4 along with the connecting rod, meanwhile, the baffle 41 covers the opening of the rectangular shell 4, so that the base 21 and the sponge block 22 move from one side of the blackboard body 1 to the other side of the blackboard body 1 to wipe out the handwriting on the surface of the blackboard body 1;
meanwhile, the rectangular internal thread sleeve 32 drives the extrusion rod 66 fixed on the surface thereof to move along with the rectangular internal thread sleeve, so that the end part of the extrusion rod 66 is gradually attached to the second gear 62 and pushes the second gear 62, and the second gear 62 moves to the side far away from the rectangular internal thread sleeve 32 and is separated from the first gear 61;
since the linkage rod 64 is fixed between the first annular frame 622 and the second annular frame 632, when the second gear 62 moves to a side away from the rectangular internal thread sleeve 32, the third gear 63 can be driven to move to a side away from the rectangular internal thread sleeve 32, so that the third gear 63 is meshed with the first gear 61, the first gear 61 drives the third gear 63 to rotate along with the third gear, and the third gear 63 drives the second rotating shaft 53 to rotate along with the third gear;
in an initial state, one of the pushing rods 54 faces downwards, the other pushing rod 54 faces upwards, the second rotating shaft 53 drives the two pushing rods 54 sleeved on the surface of the second rotating shaft to rotate, and because the two pushing rods 54 face different directions and are respectively positioned at two sides of the first rotating shaft 51, one of the pushing rods 54 can firstly push the clapping plate 52, so that the clapping plate 52 rotates around the first rotating shaft 51 to clap the sponge block 22;
when one of the pushing rods 54 is separated from the clapper plate 52, the other pushing rod 54 pushes the clapper plate 52 again, so that the clapper plate 52 rotates reversely around the first rotating shaft 51, the sponge block 22 is flapped again, and dust on the surface of the sponge block 22 is removed;
the beating plate 52 drives the first rotating shaft 51 to rotate back and forth, the first rotating shaft 51 drives the swinging rod 73 sleeved on the surface of the first rotating shaft 51 to rotate back and forth, the swinging rod 73 drives the piston plate 76 to swing back and forth through the arc-shaped plate 75, so that the piston plate 76 continuously extrudes the air in the two cavities, meanwhile, the air with the chalk dust in the rectangular shell 4 is sucked, and the activated carbon adsorption layer in the annular box 71 can adsorb the chalk dust in the air.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an auxiliary education teaching device which characterized in that: including hollow structure's blackboard body (1) to and be located blackboard eraser (2) on blackboard body (1) surface, be provided with in blackboard body (1) and be used for driving drive assembly (3) that blackboard eraser (2) removed along the horizontal direction, blackboard eraser (2) include base (21) to and install sponge piece (22) that base (21) is close to blackboard body (1) one side, sponge piece (22) laminate each other with blackboard body (1), base (21) and sponge piece (22) are vertical form, and the length of base (21) and sponge piece (22) equals with the width of blackboard body (1).
2. An auxiliary educational and teaching apparatus according to claim 1, wherein: drive assembly (3) are including rotating threaded rod (31) of connecting in blackboard body (1) cavity, threaded rod (31) run through in blackboard body (1) completely, and threaded rod (31) surface threaded connection has interior thread bush of rectangle (32), the equal vertical fixation of interior thread bush of rectangle (32) upper surface and lower surface has gag lever post (33), two gag lever post (33) all extends to blackboard body (1) outside, blackboard body (1) upper surface and lower surface have all been seted up and have been supplied gliding spacing spout (11), two the equal fixedly connected with extension rod (34) of extension end of gag lever post (33), two be fixed with connecting rod (35) between extension rod (34).
3. An auxiliary educational and teaching apparatus according to claim 2, wherein: the integrated blackboard eraser (2) that is used for placing is provided with in the integration of blackboard body (1) front side surface rectangle shell (4), rectangle shell (4) are located the side of blackboard body (1), communicate each other between rectangle shell (4) and blackboard body (1), rectangle shell (4) are close to blackboard eraser (2) one side and are the opening form, connecting rod (35) are close to rectangle shell (4) surface one side fixedly connected with extension post (36), extension post (36) one end fixedly connected with is used for covering baffle (41) that close rectangle shell (4) opening part, base (21) vertical fixation is on baffle (41) surface.
4. An auxiliary educational and teaching apparatus according to claim 3, wherein: be provided with in blackboard body (1) and be used for patting deashing subassembly (5) of sponge piece (22), deashing subassembly (5) are connected first pivot (51) in blackboard body (1) including rotating, clapper board (52) have been cup jointed on first pivot (51) surface, blackboard body (1) internal rotation is connected with second pivot (53) that are parallel to each other with threaded rod (31), two catch bars (54) have been cup jointed on second pivot (53) surface, two catch bars (54) all contradict with clapper board (52) intermittent type nature, and two catch bars (54) are located the both sides that first pivot (51) are relative respectively.
5. An educational aide in accordance with claim 4, wherein: be provided with linkage assembly (6) in blackboard body (1), linkage assembly (6) are including rotating first gear (61) of connecting in blackboard body (1), first gear (61) are driven by external drive equipment, threaded rod (31) surface cover is equipped with second gear (62) with first gear (61) intermittent type nature meshing, first bar groove (311) have been seted up on threaded rod (31) surface, the integration is provided with the slider with first bar groove (311) adaptation in second gear (62).
6. An educational aide in accordance with claim 5, wherein: second pivot (53) surface cover is equipped with third gear (63) with first gear (61) intermittent type nature meshing, second strip groove (531) have been seted up on second pivot (53) surface, the integration is provided with the slider with second strip groove (531) sliding fit in third gear (63).
7. An auxiliary educational teaching apparatus according to claim 6, wherein: first ring channel (621) have been seted up on second gear (62) surface, the tangent plane of first ring channel (621) is the type of protrusion, and first ring channel (621) internal rotation is connected with first ring channel (622), second ring channel (631) have been seted up on third gear (63) surface, the tangent plane of second ring channel (631) is the type of protrusion, and second ring channel (631) internal rotation is connected with second ring channel (632), fixedly connected with gangbar (64) between second ring channel (632) and first ring channel (622), fixedly connected with spring (65) between gangbar (64) and blackboard body (1) inner wall, rectangle internal thread cover (32) are close to second gear (62) surface one side vertical fixation and have extrusion pole (66).
8. An auxiliary educational teaching apparatus according to claim 7, wherein: blackboard body (1) lower surface is provided with dust absorption assembly (7) that is used for adsorbing chalk dust in rectangle shell (4), dust absorption assembly (7) are including annular box (71) of fixed connection at blackboard body (1) lower surface, first pivot (51) lower extreme extends to the blackboard body (1) outside, first pivot (51) are located to annular box (71) cover, fixedly connected with baffle (72) in annular box (71), swinging arms (73) have been cup jointed on first pivot (51) surface, swinging arms (73) one end extends to in annular box (71) cavity, annular box (71) surface is seted up and is supplied gliding arc wall (74) of swinging arms (73), swinging arms (73) one end fixedly connected with is used for sealing arc wall (75) of arc wall (74), arc wall (75) surface integration is fixed with piston plate (76), piston plate (76) and baffle (72) divide into two cavities in the ring box (71), all are provided with the active carbon adsorption layer in every cavity, ring box (71) lower surface mounting has the one-way air outlet valve of two symmetric distributions, and every one-way air outlet valve corresponds different cavity, install two one-way admission valves between ring box (71) and rectangle shell (4), and every one-way admission valve corresponds different cavity.
9. An auxiliary educational and teaching apparatus according to claim 4, wherein: first pivot (51) surface has cup jointed and has clapped grey spare (55), clap grey spare (55) and be the U font.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210485713.6A CN114801562A (en) | 2022-05-06 | 2022-05-06 | Supplementary education and teaching device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210485713.6A CN114801562A (en) | 2022-05-06 | 2022-05-06 | Supplementary education and teaching device |
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| CN114801562A true CN114801562A (en) | 2022-07-29 |
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