CN110757989B - Automatic dust absorption blackboard of intelligence teaching - Google Patents
Automatic dust absorption blackboard of intelligence teaching Download PDFInfo
- Publication number
- CN110757989B CN110757989B CN201911252949.XA CN201911252949A CN110757989B CN 110757989 B CN110757989 B CN 110757989B CN 201911252949 A CN201911252949 A CN 201911252949A CN 110757989 B CN110757989 B CN 110757989B
- Authority
- CN
- China
- Prior art keywords
- dust
- dust suction
- sliding
- hole
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/003—Chalks
-
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses an intelligent teaching automatic dust absorption blackboard, wherein a writing wall is arranged on the wall, a dust processing platform is also arranged on the wall, a first dust absorption cavity is arranged in the dust processing platform, a plurality of dust absorption heads which are arranged side by side are arranged on the dust processing platform, a sliding dust absorption sliding block is arranged on the dust processing platform, the end part of the first dust absorption pipe is connected with a blackboard eraser, a plurality of dust absorption heads which are correspondingly communicated with the first dust absorption pipe are connected on the blackboard eraser, two ends of the dust processing platform are respectively provided with a pen making module, a mixing and stirring cavity which is correspondingly communicated with the first dust absorption cavity is respectively arranged in the pen making module, powder can be absorbed through the dust absorption heads in the blackboard erasing process through the blackboard eraser, and meanwhile, the powder in the pen making module can be mixed and stirred, thereby the purpose of pen making can be reached in the extrusion, the input of further reducing the teaching.
Description
Technical Field
The invention relates to a teaching blackboard, in particular to an automatic dust absorption blackboard for intelligent teaching, and particularly relates to an intelligent teaching blackboard capable of remanufacturing chalk powder into chalk.
Background
Along with the continuous perfect of teaching equipment has further been promoted in the continuous improvement of education level, wherein in present teaching equipment, the blackboard is one of indispensable equipment to thereby can write through the blackboard and accomplish the teaching, wherein write on the blackboard at the in-process of teaching mostly to utilize the chalk, because the chalk is made through the powder, so need clean the vestige of chalk through the blackboard eraser after finishing writing, though can reach the purpose of cleaning the vestige through the blackboard eraser, but still have following problem:
the blackboard eraser has the advantages that a large amount of dust can be generated in the process of wiping chalk marks by the blackboard eraser, so that students and teachers are injured on certain bodies, a large amount of powder can be left at the bottom of the blackboard after the chalk marks are wiped, the dust can fly in the process of cleaning the left powder, secondary body injuries can be further caused for the students and the teachers, and the teaching cost is further increased due to the fact that the chalk is used in a large amount.
Therefore, it is necessary to design an intelligent automatic dust-absorbing blackboard for teaching to solve the above technical problems.
Disclosure of Invention
The invention aims to overcome the problems in the prior art, and provides an intelligent teaching blackboard which can be used for erasing a blackboard through a blackboard eraser in the process of erasing the blackboard, so that dust can be adsorbed through a dust absorption end arranged on the blackboard eraser, the harm to a human body caused by flying dust can be further avoided, the secondary damage to the human body caused by the fact that powder falls to the bottom of the blackboard in the cleaning process can be avoided, meanwhile, the concentrated adsorption of dust can be further realized by utilizing the negative pressure generated by the first dust absorption cavity, the stirred powder can be further conveyed through a rotating spiral rod in a mixing and stirring cavity, the mixed powder can be further extruded through the sliding of an extrusion block, the powder can be pressed into blocks, and the aim of manufacturing pens can be fulfilled, the purchase amount of chalk is further reduced, and therefore the teaching cost is reduced.
The invention is realized by the following technical scheme:
an automatic dust collection blackboard for intelligent teaching comprises a wall body, wherein a writing wall is arranged on the wall body, a dust treatment platform is further arranged on the wall body, a first dust collection cavity is arranged in the dust treatment platform, a plurality of dust collection heads arranged side by side are arranged on the dust treatment platform, sixth dust collection holes are respectively arranged in the dust collection heads, sliding sealing press blocks are respectively arranged in the dust collection heads, the sealing press blocks respectively seal the sixth dust collection holes, the sixth dust collection holes are respectively communicated with the first dust collection cavities correspondingly, a sliding dust collection sliding block is arranged on the dust treatment platform, a second sliding groove is arranged on the dust collection sliding block, the second sliding groove slides on the dust collection heads side by side, a butt-joint dust collection head sliding on the dust collection sliding block is further arranged in the second sliding groove, the butt joint dust absorption head is provided with a butt joint hole which is correspondingly clamped with the dust absorption head, a jacking pressure is arranged in the butt joint hole and used for pressing a first sliding shaft of the sealing pressing block in a sliding mode, a first electromagnet for controlling the butt joint dust absorption head to slide is further arranged in the dust absorption sliding block, a fourth dust absorption hole which is correspondingly communicated with the butt joint hole is formed in the dust absorption sliding block, the dust absorption sliding block is further connected with a first dust absorption pipe which is correspondingly communicated with the fourth dust absorption hole, the end part of the first dust absorption pipe is connected with a blackboard eraser, and the blackboard eraser is connected with a plurality of dust absorption end heads which are correspondingly communicated with the first dust absorption pipe. Can carry out the cleaning of vestige through the blackboard eraser at the in-process of wiping the blackboard, can utilize simultaneously the dust absorption end carries out the absorption of powder to further avoid flying upward the injury that leads to leading to student and mr of powder, can utilize simultaneously the position of adjustment blackboard eraser that the slip of dust absorption sliding block can be further, thereby further convenience is wiped the blackboard.
The dust treatment platform is provided with an air exhaust hole correspondingly communicated with the first dust absorption cavity, a sliding pushing block is arranged in the first dust absorption cavity, two ends of the dust treatment platform are respectively provided with a pen making module, a mixing and stirring cavity correspondingly communicated with the first dust absorption cavity is respectively arranged in the pen making module, a rotating second rotating shaft is arranged in the mixing and stirring cavity, the second rotating shaft is connected with a screw rod, a first discharge hole correspondingly communicated with the mixing and stirring cavity is also arranged in the pen making module, the screw rod rotates in the first discharge hole, an extrusion hole correspondingly communicated with the first discharge hole is also arranged in the pen making module, a sliding extrusion block is arranged in the extrusion hole, and a fifth rotating shaft driven by a third motor is arranged in the pen making module, the fifth rotating shaft drives the extrusion block to slide, and the fifth rotating shaft drives the second rotating shaft to rotate. Can can through first dust absorption chamber carries out concentrated absorption to the powder and collects, can utilize simultaneously the rotation of the second pivot that sets up in the mixing stirring intracavity can further drive the rotation of hob to can be further mix the stirring to the powder, can pass through the slip of extrusion piece extrudees the powder, thereby can reach the purpose of system pen, the purchase volume of further reduction chalk, thereby the input of the reduction teaching that can be further.
The pen making module is also provided with a glue pipe hole correspondingly communicated with the mixing and stirring cavity, and a glue pipe is arranged in the glue pipe hole.
Furthermore, a row of first dust suction holes are respectively formed between the dust suction head and the first dust suction cavity, a sealed dust suction cavity correspondingly communicated with the sixth dust suction hole is respectively arranged in the dust treatment platform, a third sliding shaft is respectively connected onto the sealed pressing block, a first jacking block sliding in the sixth dust suction hole is respectively arranged on the third sliding shaft, a first sliding hole supporting the third sliding shaft to slide is respectively arranged on the dust treatment platform, a second spring for springing the sealed pressing block is respectively arranged in the sealed dust suction cavity, a fifth dust suction hole correspondingly communicated with the sealed dust suction cavity is respectively arranged in the dust treatment platform, and the fifth dust suction holes are correspondingly communicated with the first dust suction holes respectively.
Furthermore, a first rotating groove correspondingly communicated with the second sliding groove is formed in the dust collection sliding block, a first rotating shaft connected to the dust collection sliding block is arranged in each first rotating groove, a rotating wheel is arranged on each first rotating shaft, a circle of semicircular clamping grooves are formed in each rotating wheel, and the rotating wheels drive the clamping grooves to be correspondingly clamped with the dust collection head;
a third sliding chute correspondingly communicated with the second sliding chute is arranged in the dust absorption sliding block, the third sliding chute is arranged in a T shape, a second sliding shaft sliding in the third sliding chute is connected to the butt dust absorption head, a first magnetic disc sliding in the third sliding chute is arranged on the second sliding shaft, a first electromagnet corresponding to the first magnetic disc is further arranged in the third sliding chute, the first electromagnet is correspondingly repelled from the first magnetic disc after being electrified, a first spring for elastically pressing the first magnetic disc is arranged in the third sliding chute, a third dust absorption hole correspondingly communicated with the butt hole is arranged on the butt dust absorption head, a second dust absorption cavity correspondingly communicated with the first dust absorption pipe is arranged in the dust absorption sliding block, and fourth dust absorption holes are respectively correspondingly communicated with the second dust absorption cavity, the fourth dust suction hole is correspondingly communicated with the third dust suction hole through a fourth dust suction pipe. The sliding of the butt joint dust collection head can be further controlled by electrifying the first electromagnet, so that the adsorption function of a dust collection end arranged on the blackboard eraser can be further controlled.
Further, be provided with a third dust absorption chamber in the blackboard eraser, the third dust absorption chamber with the corresponding intercommunication of first dust absorption pipe, be connected with the connecting pipe of a plurality of corresponding settings on the blackboard eraser, the connecting pipe is the L type setting respectively, the dust absorption end is connected respectively on the connecting pipe, be provided with a fourth dust absorption chamber in the dust absorption end respectively, be provided with respectively on the dust absorption head a plurality of with the second dust absorption hole of the corresponding intercommunication of fourth dust absorption chamber, be provided with a third dust absorption pipe in the connecting pipe respectively, the both ends of third dust absorption pipe respectively with the fourth dust absorption chamber with the corresponding intercommunication of third dust absorption chamber, be provided with a control on the blackboard eraser the control switch of first electro-magnet circular telegram.
Furthermore, the first dust absorption cavity is square, a threaded shaft which rotates in the dust treatment platform is arranged in the first dust absorption cavity, a second motor which drives the threaded shaft to rotate is arranged in the dust treatment platform, the pushing block is square, a threaded hole which is correspondingly meshed and connected with the threaded shaft is formed in the pushing block, and a filtering plug head is arranged on the air exhaust hole.
Furthermore, the first dust suction chamber and the mixing and stirring chamber are correspondingly communicated through a first connecting hole, the screw rods are provided with stirring supports rotating in the mixing and stirring chamber respectively, the screw rods are provided with spiral grooves, a fourth sliding groove is formed in the pen making module respectively, the extrusion blocks are connected with fourth sliding shafts sliding in the fourth sliding grooves respectively, the fourth sliding shafts are provided with second jacking blocks sliding in the fourth sliding grooves respectively, the fourth sliding grooves are provided with third springs for elastically pressing the second jacking blocks respectively, and the fifth rotating shaft is provided with jacking cams for jacking the second jacking blocks respectively;
the pen making module is internally and respectively provided with a third rotating shaft which vertically rotates corresponding to the second rotating shaft, the pen making module is internally and respectively provided with a fourth rotating shaft which vertically rotates corresponding to the third rotating shaft, one end of the second rotating shaft and one end of the third rotating shaft are respectively provided with a first bevel gear which is correspondingly meshed and connected, one end of the fourth rotating shaft and the other end of the third rotating shaft are respectively provided with a second bevel gear which is correspondingly meshed and connected, the other end of the fourth rotating shaft and the fifth rotating shaft are respectively provided with a third bevel gear which is correspondingly meshed and connected, and the pen making module is respectively provided with a second discharge hole which is correspondingly communicated with the extrusion hole.
Furthermore, a connecting hole correspondingly communicated with the mixing and stirring cavity is formed in each pen making module, the connecting hole is correspondingly communicated with the glue pipe hole, a glue head is connected to the glue pipe, the glue head and the connecting hole are correspondingly meshed and connected through threads, a discharge hole is formed in the glue head, a plurality of rubber plugs are arranged in the discharge hole, and the discharge hole is sealed after the rubber plugs are spliced.
Furthermore, be provided with a first spout on the dust disposal platform, be provided with one on the dust absorption sliding block first slider that slides in the first spout, first slider with first spout is the T type setting respectively, the both sides of first slider are provided with the pivoted respectively and support the runner.
Compared with the prior art, the invention has the beneficial effects that: the blackboard eraser can further adsorb dust through the dust absorption end in the blackboard erasing process, so that flying powder can be further adsorbed, meanwhile, the position of the blackboard eraser can be further adjusted by utilizing the sliding of the dust absorption sliding block, so that the powder can be further adsorbed into the first dust absorption cavity, the adsorption effect on the powder can be further completed, the body injury to students and teachers caused by the flying powder is further avoided, and meanwhile, the secondary injury to a human body in the cleaning process due to the fact that the powder falls to the bottom of the blackboard is also avoided;
the powder can be further conveyed after being mixed and stirred with the adhesive through the rotation of the screw rod arranged in the mixing and stirring cavity, so that the powder can be further conveyed into the extrusion hole, the mixed and stirred powder can be further extruded and molded through the sliding of the extrusion block, the purpose of pen making can be achieved, the further powder is repeatedly utilized, the purchase of chalk can be further reduced, and the input of teaching is reduced;
the powder can be stirred and bonded by the adhesive arranged in the adhesive pipe, so that the powder can be further bonded together, and further extrusion molding can be carried out.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of an intelligent teaching blackboard according to an embodiment of the present invention.
FIG. 2 is a top view of the overall structure of the intelligent teaching blackboard according to the embodiment of the present invention.
Fig. 3 is a top view of the overall structure of the blackboard eraser according to the embodiment of the invention.
Fig. 4 is a side view of the overall structure of the blackboard eraser according to the embodiment of the invention.
FIG. 5 is a schematic view of the overall structure of the cleaning head and the docking head according to the embodiment of the present invention.
Fig. 6 is a side view of the overall structure of a dust handling platform according to an embodiment of the present invention.
FIG. 7 is a schematic diagram of an overall structure of a pen making module according to an embodiment of the present invention.
Fig. 8 is a schematic view of the overall structure of the pressing cam according to the embodiment of the present invention.
FIG. 9 is a schematic view of the overall structure of a cement pipe according to an embodiment of the present invention.
In the figure: 1 dust processing platform, 2 wall body, 3 writing wall, 4 first chute, 5 first slide block, 6 dust absorption slide block, 7 first dust absorption cavity, 8 first dust absorption hole, 9 dust absorption head, 10 butt joint dust absorption head, 11 rotating wheel, 12 second dust absorption cavity, 13 first dust absorption pipe, 14 blackboard eraser, 15 third dust absorption cavity, 16 connecting pipe, 17 dust absorption end, 18 fourth dust absorption cavity, 19 second dust absorption hole, 20 third dust absorption pipe, 21 second chute, 22 first rotating groove, 23 first rotating shaft, 24 clamping groove, 25 discharge port, 26 butt joint hole, 27 first sliding shaft, 28 third dust absorption hole, 29 fourth dust absorption pipe, 30 fourth dust absorption hole, 31 third chute, 32 second sliding shaft, 33 first magnetic disc, 34 first electromagnet, 35 first spring, 36 sealing dust absorption cavity, 37 fifth dust absorption hole, 38 sixth dust absorption hole, 39 sealing press block, 40 third sliding shaft, 41 first sliding hole, 42 second spring, 42 sliding hole, 43 a first pressing block, 44 a rubber block, 45 a suction hole, 46 a filter plug, 47 a second motor, 48 a threaded shaft, 49 a pushing block, 50 a pen making module, 51 a first connecting hole, 52 a second rotating shaft, 53 a spiral rod, 54 a stirring bracket, 55 a first discharge hole, 56 a squeezing hole, 57 a discharge hole, 58 a third rotating shaft, 59 a first bevel gear, 60 a second bevel gear, 61 a fourth rotating shaft, 62 a fourth chute, 63 a pressing cam, 64 a fifth rotating shaft, 65 a fourth sliding shaft, 66 a second pressing block, 67 a third spring, 68 a squeezing block, 69 a glue pipe hole, 70 a glue pipe, 71 a glue head, 72 a connecting hole, 73 a third bevel gear, 74 a third motor and 75 a mixing and stirring cavity.
Detailed Description
As shown in fig. 1 to 9, an automatic dust collection blackboard for intelligent teaching comprises a wall body 2, wherein the wall body 2 is provided with a writing wall 2, the wall body 2 is further provided with a dust treatment platform 1, the dust treatment platform 1 is internally provided with a first dust collection chamber 7, the dust treatment platform 1 is provided with a plurality of dust collection heads 9 arranged side by side, the dust collection heads 9 are respectively provided with a sixth dust collection hole 38, the dust collection heads 9 are respectively provided with a sliding sealing block 39, the sealing blocks 39 respectively seal the sixth dust collection holes 38, the sixth dust collection holes 38 are respectively communicated with the first dust collection chamber 7 correspondingly, the wall body 2 is provided with the dust treatment platform 1, the dust treatment platform 1 is provided with a sliding dust collection sliding block 6, the dust collection sliding block 6 is provided with a second sliding groove 21, the second sliding chute 21 slides on the dust collection head 9, a butt-joint dust collection head 10 sliding on the dust collection sliding block 6 is also arranged in the second sliding chute 21, the butt joint dust suction head 10 is provided with a butt joint hole 26 correspondingly clamped with the dust suction head 9, a first sliding shaft 27 which presses the sealing pressing block 39 to slide is arranged in the butt joint hole 26, a first electromagnet 34 for controlling the sliding of the butt-joint dust collection head 10 is also arranged in the dust collection sliding block 6, the dust-absorbing sliding block 6 is provided with a fourth dust-absorbing hole 30 correspondingly communicated with the butt joint hole 26, the dust-absorbing sliding block 6 is also connected with a first dust-absorbing pipe 13 correspondingly communicated with the fourth dust-absorbing hole 30, the end part of the first dust suction pipe 13 is connected with a blackboard eraser 14, and the blackboard eraser 14 is connected with a plurality of dust suction ends 17 correspondingly communicated with the first dust suction pipe 13.
The dust processing platform 1 is arranged at the bottom of the writing wall 2, a first dust suction cavity 7 is arranged in the dust processing platform 1, the first dust suction cavity 7 is a cavity, a plurality of dust suction heads 9 are arranged on the dust processing platform 1, the number of the dust suction heads 9 is set according to the design requirement and is arranged on the dust processing platform 1 side by side, a sixth dust suction hole 38 is respectively arranged in each dust suction head 9, a sliding sealing pressing block 39 is respectively arranged on each dust suction head 9, the sixth dust suction holes 38 can be sealed through the sealing pressing blocks 39, so that the communication and the closing of the sixth dust suction holes 38 can be controlled through the sealing pressing blocks 39, the sixth dust suction holes 38 are respectively correspondingly communicated with the first dust suction cavity 7, and a sliding dust suction sliding block 6 is arranged on the dust processing platform 1, the dust collection sliding block 6 can further slide on the dust collection head 9 through the second sliding chute 21 in the sliding process, a butt-joint dust collection head 10 is arranged in the second sliding chute 21, the butt-joint dust collection head 10 can slide in the dust collection sliding block 6, a butt-joint hole 26 is formed in the butt-joint dust collection head 10, when the butt-joint dust collection head 10 can further be connected to the dust collection head 9 through the butt-joint hole 26 in the sliding process, a first sliding shaft 27 connected to the butt-joint dust collection head 10 is arranged in the butt-joint hole 26, so that the first sliding shaft 27 can be further driven to slide through the sliding of the butt-joint dust collection head 10, the sealing pressing block 39 can be further pressed through the first sliding shaft 27, and the communication and the closing of the butt-joint hole 26 and the sixth dust collection hole 38 can be further controlled, the first electromagnet 34 can further control the sliding of the butt joint dust collection head 10, the dust collection sliding block 6 is connected with a first dust collection pipe 13, the blackboard can be cleaned by the blackboard eraser 14 in the process of cleaning the blackboard, dust can be adsorbed by the dust collection end 17, so that the dust can be further prevented from splashing, the dust can be further adsorbed into the fourth dust collection hole 30 through the first dust collection pipe 13, the dust can be further adsorbed into the first dust collection cavity 7 through the communication between the butt joint hole 26 and the sixth dust collection hole 38, the dust can be further adsorbed into the first dust collection cavity 7, the dust can be adsorbed, the injury of the dust to students and teachers can be further avoided, and the dust can be adsorbed by the dust collection end 17, the dust that has avoided causing at the in-process of clearance because of the bottom that the dust falls the blackboard that can be further splashes, secondary damage that can further avoid the powder to cause the human body.
The dust treatment platform 1 is provided with an air suction hole 45 correspondingly communicated with the first dust suction cavity 7, a sliding pushing block 49 is arranged in the first dust suction cavity 7, two ends of the dust treatment platform 1 are respectively provided with a pen making module 50, a mixing and stirring cavity 75 correspondingly communicated with the first dust suction cavity 7 is respectively arranged in the pen making module 50, a rotating second rotating shaft 52 is arranged in the mixing and stirring cavity 75, the second rotating shaft 52 is connected with a screw rod 53, a first discharge hole 55 correspondingly communicated with the mixing and stirring cavity 75 is also arranged in the pen making module 50, the screw rod 53 rotates in the first discharge hole 55, an extrusion hole 56 correspondingly communicated with the first discharge hole 55 is also arranged in the pen making module 50, and a sliding extrusion block 68 is arranged in the extrusion hole 56, a fifth rotating shaft 64 driven by a third motor 74 is arranged in the pen making module 50, the fifth rotating shaft 64 drives the extrusion block 68 to slide, and the fifth rotating shaft 64 drives the second rotating shaft 52 to rotate.
The pen making module 50 is further provided with a glue tube hole 69 correspondingly communicated with the mixing and stirring cavity 75, and a glue tube 70 is arranged in the glue tube hole 69.
The dust processing platform 1 is provided with an air exhaust hole 45, the air exhaust hole 45 can be exhausted through a small air exhauster, so that the first dust suction chamber 7 can be further exhausted, two ends of the dust processing platform are respectively provided with a pen making module 50, a mixing and stirring chamber 75 is respectively arranged in the pen making module 50, the first dust suction chamber 7 is respectively and correspondingly communicated with the mixing and stirring chamber 75, so that dust adsorbed in the first dust suction chamber 7 can further flow into the mixing and stirring chamber 75, the rotation of the second rotating shaft 52 can further drive the rotation of the spiral rod 53, and therefore, negative pressure can be generated in the dust adsorption process through the first dust suction chamber 7, so that the mixing and stirring chamber 75 can further be in a negative pressure state, the adhesive hole 69 can be further adsorbed, the adhesive capable of mixing and stirring with powder is arranged in the adhesive pipe 70, so that the powder can be coagulated, the powder and the adhesive can be mixed and stirred by the mixing and stirring cavity 75, the mixed powder can be further conveyed into the first discharge hole 55 by the rotation of the screw 53, so that the mixed powder can be further discharged into the extrusion hole 56 by the first discharge hole 55, the powder after mixing with the adhesive and the powder can be further extruded by the sliding of the extrusion block 68, so that the cylindrical chalk can be further extruded by the extrusion force, and the aim of re-making the chalk can be achieved, the tip of extrusion hole 56 is the toper setting to can further guarantee to the extrusion force to the powder, thereby can reach the purpose that extrudes the chalk, thereby the utilization ratio of improvement to the powder that can be further, thereby the input cost of reduction school to the chalk that can be further, thereby reduce the teaching cost.
As shown in fig. 1 and 5, a row of first dust suction holes 8 are respectively disposed between the dust suction head 9 and the first dust suction cavity 7, a sealed dust suction cavity 36 correspondingly communicated with the sixth dust suction hole 38 is respectively disposed in the dust processing platform 1, a third sliding shaft 40 is respectively connected to the sealed pressing blocks 39, a first top pressing block 43 sliding in the sixth dust suction hole 38 is respectively disposed on the third sliding shaft 40, a first sliding hole 41 supporting the third sliding shaft 40 to slide is respectively disposed on the dust processing platform 1, a second spring 42 elastically pressing the sealed pressing blocks 39 is respectively disposed in the sealed dust suction cavity 36, a fifth dust suction hole 37 correspondingly communicated with the sealed dust suction cavity 36 is respectively disposed in the dust processing platform 1, and the fifth dust suction holes 37 correspondingly communicated with the first dust suction holes 8, the normal sliding movement of the third slide shaft 40 can be further ensured by the first slide hole 41, and the seal holder 39 can be biased by the second spring 42, thereby preventing the seal holder 36 from being operated by the negative pressure.
A row of first dust suction holes 8 correspondingly communicated with the first dust suction cavity 7 are formed in the dust processing platform 1, the number of the first dust suction holes 8 is the same as that of the dust suction heads 9, a sealed dust suction cavity 36 correspondingly communicated with the sixth dust suction holes 38 is respectively formed in the dust processing platform 1, the sealed dust suction cavity 36 is a cavity, the sealed pressing blocks 39 respectively slide in the sealed dust suction cavity 36, third sliding shafts 40 are respectively arranged on the sealed pressing blocks 39, first pressing blocks 43 are respectively arranged on the third sliding shafts 40, the first pressing blocks 43 can slide in the sixth dust suction holes 38, so that the first pressing blocks 43 can be pressed in the sliding process of the first sliding shafts 27, and the sealed pressing blocks 39 can be further driven to slide, therefore, the sixth dust suction hole 38 can be further communicated with the sealed dust suction chamber 36 in a corresponding manner, the second spring 42 presses the sealed pressing block 39, the sixth dust suction hole 38 can be further sealed, the sixth dust suction hole 38 is prevented from being communicated at any time, the fifth dust suction hole 37 can be communicated with the sealed dust suction chamber 36 in a corresponding manner, the fifth dust suction hole 37 is communicated with the first dust suction hole 8 in a corresponding manner, and dust can be further adsorbed by the adsorption force of the first dust suction chamber 7 and adsorbed into the first dust suction chamber 7.
As shown in fig. 1, 2 and 5, a first rotating groove 22 is provided in the dust collection sliding block 6 and communicates with the second sliding groove 21 correspondingly, a first rotating shaft 23 connected to the dust collection sliding block 6 is provided in the first rotating groove 22, a rotating wheel 11 is provided on the first rotating shaft 23, a circle of semicircular clamping grooves 24 is provided on the rotating wheel 11, and the rotating wheel 11 rotates to drive the clamping grooves 24 to clamp the dust collection head 9 correspondingly.
A first rotating groove 22 is arranged in the dust-absorbing sliding block 6, a first rotating shaft 23 is arranged in the first rotating groove 22, a rotating rotary wheel 11 is arranged on the first rotating shaft 23, a circle of clamping grooves 24 are arranged on the rotary wheel 11, so that the sliding of the rotating wheel 11 can be further driven in the sliding process of the dust-collecting sliding block 6, a circle of clamping grooves 24 are arranged on the rotating wheel 11, so that the clamping grooves 24 can be further clamped on the dust collection head 9, so that the rotating wheel 11 can further rotate on the dust collection head 9, the position of the butt joint dust collection head 10 corresponds to the position of the clamping groove 24, therefore, after the dust collection head 9 is clamped by the clamping groove 24, the butt joint dust collection head 10 and the dust collection head 9 can be further ensured to be accurately clamped.
A third sliding chute 31 correspondingly communicated with the second sliding chute 21 is arranged in the dust collection sliding block 6, the third sliding chute 31 is arranged in a T shape, a second sliding shaft 32 sliding in the third sliding chute 31 is connected to the butt joint dust collection head 10, a first magnetic disc 33 sliding in the third sliding chute 31 is arranged on the second sliding shaft 32, a first electromagnet 34 corresponding to the first magnetic disc 33 is further arranged in the third sliding chute 31, the first electromagnet 34 is correspondingly repelled with the first magnetic disc 33 after being electrified, a first spring 35 elastically pressing the first magnetic disc 33 is arranged in the third sliding chute 31, a third dust collection hole 28 correspondingly communicated with the butt joint hole 26 is arranged on the butt joint dust collection head 10, a second dust collection cavity 12 correspondingly communicated with the first dust collection pipe 13 is arranged in the dust collection sliding block 6, the fourth dust suction holes 30 are respectively and correspondingly communicated with the second dust suction cavity 12, and the fourth dust suction holes 30 are correspondingly communicated with the third dust suction holes 28 through a fourth dust suction pipe 29.
After the first electromagnet 34 is energized, the first magnet can be further repelled from the first magnetic disk 33, so that the second sliding shaft 32 can be further pushed to slide the docking head 10, the docking head 10 can be further correspondingly connected to the docking head 9, the first magnetic disk 33 can be pressed by the first spring 35, so that the docking head 10 can be further returned, and during the process of adsorbing dust by the first dust chamber 7, the dust can be further circulated into the second dust chamber 12 through the first dust pipe 13, then sucked into the fourth dust hole 30 again, then sucked into the third dust hole 28 through the fourth dust pipe 29, and then further sucked into the docking hole 26, thereby further communicating into the first dust suction chamber 7 and thus completing the dust suction, and the fourth dust suction pipe 29 is a hose.
As shown in fig. 1, 3 and 4, a third dust suction chamber 15 is provided in the blackboard eraser 14, the third dust suction cavity 15 is correspondingly communicated with the first dust suction pipe 13, the blackboard eraser 14 is connected with a plurality of correspondingly arranged connecting pipes 16, the connecting pipes 16 are respectively arranged in an L shape, the dust absorption end heads 17 are respectively connected on the connecting pipes 16, a fourth dust suction cavity 18 is respectively arranged in the dust suction end head 17, a plurality of second dust suction holes 19 correspondingly communicated with the fourth dust suction cavity 18 are respectively arranged on the dust suction end head 17, a third dust suction pipe 20 is respectively arranged in the connecting pipe 16, two ends of the third dust suction pipe 20 are respectively communicated with the fourth dust suction cavity 18 and the third dust suction cavity 15 correspondingly, the blackboard eraser 14 is provided with a control switch for controlling the energization of the first electromagnet 34.
The switch can be controlled to further control the electrification of the first electromagnet 34 in the process of erasing the blackboard, so that the connection between the butt joint dust collection head 10 and the butt joint head 9 can be further driven, dust can be adsorbed through the first dust collection cavity 7, dust can be adsorbed through the dust collection end 17, the connection pipes 16 are arranged in an L shape and are respectively arranged in a circle of the blackboard eraser 14, so that the dust can be further sucked into the fourth dust collection cavity 18 through the second dust collection holes 19 in the process of adsorbing the powder, the powder can be further sucked into the third dust collection cavity 15 through the third dust collection pipe 20, the purpose of adsorbing the dust can be achieved, and the damage to a human body caused by the fact that the powder flies in the process of erasing the blackboard by using the blackboard eraser 14 is further avoided, thereby further ensuring the physical health of students and teachers.
As shown in fig. 1 and 6, the first dust suction chamber 7 is square, a threaded shaft 48 that rotates in the dust processing platform 1 is disposed in the first dust suction chamber 7, a second motor 47 that drives the threaded shaft 48 to rotate is disposed in the dust processing platform 1, the pushing block 49 is square, a threaded hole that is correspondingly engaged with the threaded shaft 48 is disposed in the pushing block 49, and a filter plug 46 is disposed in the air suction hole 45.
Can be through the rotation that second motor 47 can further drive the rotation of threaded shaft 48 to can further drive promote the slip of piece 49, first dust absorption chamber 7 with promote piece 49 and be square setting respectively, thereby can further drive promote piece 49 and slide in first dust absorption chamber 7, thereby can pass through promote piece 49 and extrude the powder to the both sides in first dust absorption chamber 7, be provided with filtering plug 46 on the extraction opening 45, thereby can pass through filtering plug 46 filters the powder, thereby can be further filter the powder to in first dust absorption chamber 7.
As shown in fig. 6, 7 and 8, the first dust suction chamber 7 and the mixing and stirring chamber 75 are correspondingly communicated with each other through a first connection hole 51, the screw rods 53 are respectively provided with a stirring support 54 rotating in the mixing and stirring chamber 75, the screw rods 53 are provided with spiral grooves, the pen making module 50 is respectively provided with a fourth sliding groove 62, the pressing blocks 68 are respectively connected with a fourth sliding shaft 65 sliding in the fourth sliding groove 62, the fourth sliding shaft 65 is respectively provided with a second pressing block 66 sliding in the fourth sliding groove 62, the fourth sliding groove 65 is respectively provided with a third spring 67 elastically pressing the second pressing block 66, and the fifth rotating shaft 64 is respectively provided with a pressing cam 63 pressing the second pressing block 66.
The pushing block 49 can further push the powder to both ends of the first dust suction chamber 7, so that the powder can further flow into the stirring inner chamber 75 through the first connection hole 51, so that the rotation of the screw 53 can further drive the rotation of the stirring bracket 54, so that the powder can be further stirred by the stirring bracket 54, and the mixed powder can be further ensured to be conveyed by the spiral groove provided on the screw 53, and the rotation of the fifth rotating shaft 64 can further drive the rotation of the pushing cam 63, so that the second pushing block 66 can be pushed by the pushing cam 63, so that the sliding of the pressing block 68 can be further driven, so that the powder mixed by the powder and the adhesive can be further pressed, meanwhile, the fourth sliding shaft 65 can be used for driving the extrusion block 68 to slide, and the third spring 67 can be used for springing the second top pressing block 66, so that the extrusion block 68 can be used for continuously and discontinuously extruding powder, and the purpose of pen making can be achieved.
The pen making module 50 is provided with a third rotating shaft 58 which vertically rotates corresponding to the second rotating shaft 52, the pen making module 50 is provided with a fourth rotating shaft 61 which vertically rotates corresponding to the third rotating shaft 58, one end of the second rotating shaft 52 and one end of the third rotating shaft 58 are respectively provided with a first bevel gear 59 which is correspondingly engaged and connected, one end of the fourth rotating shaft 61 and the other end of the third rotating shaft 58 are respectively provided with a second bevel gear 60 which is correspondingly engaged and connected, the other end of the fourth rotating shaft 61 and the fifth rotating shaft 64 are respectively provided with a third bevel gear 73 which is correspondingly engaged and connected, and the pen making module 50 is provided with a second discharging hole 57 which is correspondingly communicated with the extruding hole 56.
The third motor 74 can drive the fifth rotating shaft 64 to rotate, the two third bevel gears 73 can correspondingly engage with each other to further drive the fourth rotating shaft 61 to rotate, the two second bevel gears 60 can correspondingly engage with each other to further drive the third rotating shaft 58 to rotate, the two first bevel gears 59 can correspondingly engage with each other to further drive the second rotating shaft 52 to rotate, so that the stirring, conveying and extruding can be synchronously performed to complete the pen making, the end of the extruding hole 56 is provided with a section of conical shape, so that the extruding of chalk can be further completed through a conical structure, the pen making can be achieved, and the manufactured chalk can be further received through the second discharging hole 57, thereby completing the pen making.
As shown in fig. 7 and 9, a connection hole 72 is respectively formed in the pen making module 50 and correspondingly communicated with the mixing and stirring chamber 75, the connection holes 72 are respectively and correspondingly communicated with the glue tube holes 69, a glue head 71 is connected to the glue tube 70, the glue head 71 and the connection hole 72 are correspondingly engaged and connected through threads, a discharge opening 25 is formed in the glue head 71, a plurality of rubber plugs 44 are arranged in the discharge opening 25, and the discharge opening 25 is sealed after the rubber plugs 44 are spliced.
The discharge port 25 can be sealed by splicing the rubber stoppers 44, so that the first dust suction chamber 7 can be further brought into a negative pressure state, the mixing and stirring chamber 75 can be further brought into a negative pressure state, the discharge port 25 can be further sucked, the rubber stoppers 44 can be further driven to operate under the action of the negative pressure, the adhesive in the adhesive tube 70 can be further leaked out to the mixing and stirring chamber 75, the mixing and stirring can be performed with the powder, the extrusion hole 56 can be sealed by the extruded powder and the adhesive while the mixing and stirring chamber 75 is brought into the negative pressure state, and the mixing and stirring chamber 75 can be in a sealed state and can be correspondingly connected with the connection hole 72 by the thread provided on the adhesive head 71 while the mixing and stirring chamber 75 is brought into a negative pressure state Thereby enabling further ease of installation and replacement, and further ease of installation of the glue tube 70 through the glue tube aperture 69.
As shown in fig. 1, a first chute 4 is arranged on the dust treatment platform 1, a first sliding block 5 which slides in the first chute 4 is arranged on the dust collection sliding block 6, the first sliding block 5 and the first chute 4 are respectively arranged in a T shape, and two sides of the first sliding block 5 are respectively provided with a rotating support rotating wheel. Can be through first slider 5 slides in first spout 4 can be right dust absorption sliding block 6 supports to can be in the both sides of first slider 5 are provided with pivoted support runner respectively, thereby can further guarantee to the smooth and easy slip of dust absorption sliding block 6.
The above-mentioned embodiments are only for convenience of description, and are not intended to limit the present invention in any way, and those skilled in the art will understand that the technical features of the present invention can be modified or changed by other equivalent embodiments without departing from the scope of the present invention.
Claims (3)
1. The utility model provides an automatic dust absorption blackboard of intelligent teaching, including a wall body, be provided with on the wall body and write the wall, its characterized in that: the wall body is also provided with a dust processing platform, a first dust suction cavity is arranged in the dust processing platform, the dust processing platform is provided with a plurality of dust suction heads arranged side by side, the dust suction heads are respectively provided with a sixth dust suction hole, the dust suction heads are respectively provided with a sliding sealing pressing block, the sealing pressing blocks respectively seal the sixth dust suction holes, the sixth dust suction holes are respectively communicated with the first dust suction cavity correspondingly, the dust processing platform is provided with a sliding dust suction sliding block, the dust suction sliding block is provided with a second sliding groove, the second sliding groove slides on the dust suction heads side by side, the second sliding groove is also internally provided with a butt-joint dust suction head sliding on the dust suction sliding block, and the butt-joint dust suction head is provided with a butt-joint hole correspondingly clamped with the dust suction head, a first sliding shaft which pushes and presses the sealing pressing block to slide is arranged in the butt joint hole, a first electromagnet which controls the butt joint dust suction head to slide is further arranged in the dust suction sliding block, a fourth dust suction hole which is correspondingly communicated with the butt joint hole is formed in the dust suction sliding block, a first dust suction pipe which is correspondingly communicated with the fourth dust suction hole is further connected to the dust suction sliding block, a blackboard eraser is connected to the end part of the first dust suction pipe, and a plurality of dust suction end heads which are correspondingly communicated with the first dust suction pipe are connected to the blackboard eraser;
the dust treatment platform is provided with an air exhaust hole correspondingly communicated with the first dust absorption cavity, a sliding pushing block is arranged in the first dust absorption cavity, two ends of the dust treatment platform are respectively provided with a pen making module, a mixing and stirring cavity correspondingly communicated with the first dust absorption cavity is respectively arranged in the pen making module, a rotating second rotating shaft is arranged in the mixing and stirring cavity, the second rotating shaft is connected with a screw rod, a first discharge hole correspondingly communicated with the mixing and stirring cavity is also arranged in the pen making module, the screw rod rotates in the first discharge hole, an extrusion hole correspondingly communicated with the first discharge hole is also arranged in the pen making module, a sliding extrusion block is arranged in the extrusion hole, and a fifth rotating shaft driven by a third motor is arranged in the pen making module, the fifth rotating shaft drives the extrusion block to slide, and the fifth rotating shaft drives the second rotating shaft to rotate;
the pen making module is also provided with a glue pipe hole correspondingly communicated with the mixing and stirring cavity, and a glue pipe is arranged in the glue pipe hole;
a row of first dust suction holes are respectively arranged between the dust suction head and the first dust suction cavity, a sealed dust suction cavity correspondingly communicated with the sixth dust suction hole is respectively arranged in the dust treatment platform, a third sliding shaft is respectively connected to the sealed pressing blocks, a first top pressing block sliding in the sixth dust suction hole is respectively arranged on the third sliding shaft, a first sliding hole supporting the third sliding shaft to slide is respectively arranged on the dust treatment platform, a second spring elastically pressing the sealed pressing block is respectively arranged in the sealed dust suction cavity, a fifth dust suction hole correspondingly communicated with the sealed dust suction cavity is respectively arranged in the dust treatment platform, and the fifth dust suction holes are correspondingly communicated with the first dust suction holes;
be provided with a first spout on the dust disposal platform, be provided with one on the dust absorption sliding block gliding first slider in the first spout, first slider with first spout is the T type setting respectively, the both sides of first slider are provided with the pivoted respectively and support the runner.
2. The intelligent teaching automatic dust absorption blackboard of claim 1, characterized in that: the first dust absorption cavity is correspondingly communicated with the mixing and stirring cavity through a first connecting hole, the spiral rods are provided with stirring supports rotating in the mixing and stirring cavity respectively, spiral grooves are formed in the spiral rods, a fourth sliding groove is formed in each pen making module, each extrusion block is connected with a fourth sliding shaft sliding in the fourth sliding groove respectively, each fourth sliding shaft is provided with a second top pressing block sliding in the fourth sliding groove, each fourth sliding groove is provided with a third spring for elastically pressing the second top pressing block, and each fifth rotating shaft is provided with a top pressing cam for pressing the second top pressing block;
the pen making module is internally and respectively provided with a third rotating shaft which vertically rotates corresponding to the second rotating shaft, the pen making module is internally and respectively provided with a fourth rotating shaft which vertically rotates corresponding to the third rotating shaft, one end of the second rotating shaft and one end of the third rotating shaft are respectively provided with a first bevel gear which is correspondingly meshed and connected, one end of the fourth rotating shaft and the other end of the third rotating shaft are respectively provided with a second bevel gear which is correspondingly meshed and connected, the other end of the fourth rotating shaft and the fifth rotating shaft are respectively provided with a third bevel gear which is correspondingly meshed and connected, and the pen making module is respectively provided with a second discharge hole which is correspondingly communicated with the extrusion hole.
3. The intelligent teaching automatic dust absorption blackboard of claim 1, characterized in that: the pen making module is internally provided with a connecting hole correspondingly communicated with the mixing and stirring cavity, the connecting hole is correspondingly communicated with the glue pipe hole, the glue pipe is connected with a glue head, the glue head and the connecting hole are correspondingly engaged and connected through threads, the glue head is provided with a discharge hole, the discharge hole is internally provided with a plurality of rubber plugs, and the discharge hole is sealed after the rubber plugs are spliced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252949.XA CN110757989B (en) | 2018-09-01 | 2018-09-01 | Automatic dust absorption blackboard of intelligence teaching |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811017496.8A CN108928166B (en) | 2018-09-01 | 2018-09-01 | Intelligent teaching blackboard |
| CN201911252949.XA CN110757989B (en) | 2018-09-01 | 2018-09-01 | Automatic dust absorption blackboard of intelligence teaching |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811017496.8A Division CN108928166B (en) | 2018-09-01 | 2018-09-01 | Intelligent teaching blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110757989A CN110757989A (en) | 2020-02-07 |
| CN110757989B true CN110757989B (en) | 2020-12-11 |
Family
ID=64443408
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252949.XA Active CN110757989B (en) | 2018-09-01 | 2018-09-01 | Automatic dust absorption blackboard of intelligence teaching |
| CN201911252947.0A Active CN110757988B (en) | 2018-09-01 | 2018-09-01 | Automatic dust-absorbing blackboard |
| CN201811017496.8A Active CN108928166B (en) | 2018-09-01 | 2018-09-01 | Intelligent teaching blackboard |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911252947.0A Active CN110757988B (en) | 2018-09-01 | 2018-09-01 | Automatic dust-absorbing blackboard |
| CN201811017496.8A Active CN108928166B (en) | 2018-09-01 | 2018-09-01 | Intelligent teaching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN110757989B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757989B (en) * | 2018-09-01 | 2020-12-11 | 徐超 | Automatic dust absorption blackboard of intelligence teaching |
| CN112246819A (en) * | 2020-09-29 | 2021-01-22 | 长春光华学院 | Interactive intelligent accounting teaching equipment |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2285719Y (en) * | 1996-09-18 | 1998-07-08 | 张涌泉 | Dustless blackboard eraser |
| US20030033686A1 (en) * | 2001-08-07 | 2003-02-20 | Te-Hsi Liu | Dust collecting apparatus for eraser |
| CN2608306Y (en) * | 2003-01-13 | 2004-03-31 | 黄前 | Dust-absorbing blackboard earser |
| CN2710923Y (en) * | 2004-06-26 | 2005-07-20 | 陈威宇 | Dust-sucking type eraser |
| DE102004055799B3 (en) * | 2004-11-18 | 2006-06-14 | Faber-Castell Ag | Lead manufacturing method for e.g. writing purpose, involves pressing lead mass to strand, and transporting strand on path to cutting station, where distance is maintained between lower side of strand and path by using fluid flow |
| JP4518432B2 (en) * | 2008-05-12 | 2010-08-04 | 公平 林 | Blackboard wiping cleaning device |
| CN201931839U (en) * | 2010-06-25 | 2011-08-17 | 李吉飞 | Dust box for blackboard |
| CN201922757U (en) * | 2011-02-22 | 2011-08-10 | 赵凤卿 | Automatic dust-collecting blackboard |
| CN202106764U (en) * | 2011-05-30 | 2012-01-11 | 上海市宝山区通河新村第二小学 | Chalk dust using device |
| CN202826899U (en) * | 2012-10-16 | 2013-03-27 | 荆兆坤 | Vacuum circulating type environment-protecting chalk erasure device |
| CN202896095U (en) * | 2012-11-09 | 2013-04-24 | 杭州摩斯凯文工业产品设计有限公司 | Chalk-regenerating blackboard eraser |
| CN203331658U (en) * | 2013-05-30 | 2013-12-11 | 东华大学 | Chalk dust absorbing recycling device |
| CN104417150A (en) * | 2013-08-26 | 2015-03-18 | 生桂妃 | Chalk recovery machining machine |
| CN203752730U (en) * | 2014-04-01 | 2014-08-06 | 何连芳 | Chalk head and chalk powder recycling device |
| CN104527268B (en) * | 2014-12-26 | 2016-01-20 | 余姚市金星网板厂 | Chalk end reclaims and resets chalk device |
| CN204367724U (en) * | 2014-12-30 | 2015-06-03 | 陈洪星 | Blackboard for education wiping dust arrester |
| CN204547500U (en) * | 2015-03-16 | 2015-08-12 | 陈宝红 | A kind of dust-remover for blackboard recycling chalk dust |
| CN204977988U (en) * | 2015-08-01 | 2016-01-20 | 长沙师范学院 | Blackboard eraser of regeneration chalk |
| CN107757204A (en) * | 2016-08-17 | 2018-03-06 | 林弘博 | Energy-saving chalk brush |
| CN107776299A (en) * | 2016-08-25 | 2018-03-09 | 李舒鑫 | A kind of automatic chalk instrument processed |
| CN206870697U (en) * | 2017-01-17 | 2018-01-12 | 刘阔 | A kind of chalk dust reclaims huge profit device |
| CN107244170A (en) * | 2017-06-27 | 2017-10-13 | 傅昕 | A kind of roller shutter type can automatic back-and-forth cleaning blackboard device |
| CN107399187A (en) * | 2017-07-19 | 2017-11-28 | 江苏大学 | A kind of dust-precipitating system of chalk recycling |
| CN110757989B (en) * | 2018-09-01 | 2020-12-11 | 徐超 | Automatic dust absorption blackboard of intelligence teaching |
-
2018
- 2018-09-01 CN CN201911252949.XA patent/CN110757989B/en active Active
- 2018-09-01 CN CN201911252947.0A patent/CN110757988B/en active Active
- 2018-09-01 CN CN201811017496.8A patent/CN108928166B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110757988B (en) | 2020-12-11 |
| CN108928166A (en) | 2018-12-04 |
| CN110757989A (en) | 2020-02-07 |
| CN110757988A (en) | 2020-02-07 |
| CN108928166B (en) | 2020-05-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110757989B (en) | Automatic dust absorption blackboard of intelligence teaching | |
| CN111745947A (en) | Automatic sticking film machine of cell-phone | |
| JP6754053B1 (en) | Dustproof blackboard | |
| CN205380027U (en) | Syringe needle gel resin mechanism and point gum machine | |
| CN209616744U (en) | A kind of intelligent blackboard erasing device | |
| CN211198675U (en) | Heavy metal separation and recovery device for electroplating wastewater | |
| CN203974334U (en) | A kind of novel blackboard eraser | |
| CN107415533A (en) | A kind of self-cleaning blackboard | |
| CN210278420U (en) | Filtering device for preparing polymeric alumina | |
| CN208730639U (en) | A kind of music teaching board of education | |
| CN111469584A (en) | Automatically cleaning blackboard based on singlechip | |
| CN208827331U (en) | A kind of rotation transfer printing equipment | |
| CN103231610B (en) | Rubber crumb removal device | |
| CN106346979B (en) | A kind of blackboard of automatic water jetting | |
| CN204309460U (en) | Intelligent blackboard | |
| CN206317284U (en) | A kind of plastic pellet material adapting system | |
| CN113731745B (en) | Continuous coating equipment for preparing insulating resin by graphene coating heating body | |
| CN211343598U (en) | Even spraying bumper shock absorber inner core rubber spouts gluey bonding device for kart | |
| CN220328559U (en) | High-viscosity chemical industry automatic feeding device | |
| CN205042698U (en) | Automatic send gluey formula hot melt adhesive rifle | |
| CN204383016U (en) | Self-erasable electric blackboard | |
| CN214564219U (en) | Intelligent blackboard for education | |
| CN220804163U (en) | Flocking device of automobile sealing strip | |
| CN219133690U (en) | Blackboard capable of automatically cleaning | |
| CN210634328U (en) | Push-pull dust-absorbing blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201126 Address after: The streets of Jiaojiang District of Taizhou city in Zhejiang Province before 318000 Village No. 26 Applicant after: Xu Chao Address before: 266600 904 unit 1, 36 building, 278 Tai Cheng Road, Chengyang District, Qingdao, Shandong. Applicant before: Du Han |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |