CN108877314B - Classroom is with culture display device who inhales chalk dust - Google Patents
Classroom is with culture display device who inhales chalk dust Download PDFInfo
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- CN108877314B CN108877314B CN201810721687.6A CN201810721687A CN108877314B CN 108877314 B CN108877314 B CN 108877314B CN 201810721687 A CN201810721687 A CN 201810721687A CN 108877314 B CN108877314 B CN 108877314B
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- 239000000428 dust Substances 0.000 title claims abstract description 81
- 238000009423 ventilation Methods 0.000 claims description 16
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/02—Electrically-operated educational appliances with visual presentation of the material to be studied, e.g. using film strip
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- B08B1/12—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
Abstract
The invention discloses a culture display device for absorbing chalk dust in a classroom, which comprises a mobile device, a dust absorbing device and a display device, the moving device comprises a wall fixing plate which is fixedly connected with a wall through screws, the front side of the wall fixing plate is horizontally provided with a long groove, and the inner side of the long groove is horizontally provided with a movable groove, the bottom of the movable groove is fixedly provided with a plurality of groups of splines, the splines are uniformly arranged at the bottom of the movable groove, a movable gear is vertically arranged in the movable groove, a fixed block is arranged at the front side of the movable gear, the middle part of the rear side of the fixed block is movably connected with the middle part of the front side of the movable gear through a pin shaft, the front side of the fixed block is fixedly provided with an ash sucking device, the dust collection device and the display device can move horizontally through the moving device, so that the dust collection device can absorb chalk dust conveniently, and the display device can be adjusted horizontally to be convenient to watch.
Description
Technical Field
The invention relates to the technical field of culture propaganda, in particular to a culture display device for absorbing chalk dust in a classroom.
Background
Chinese culture, called Chinese culture and Chinese culture, refers to the Chinese specific culture which is continuously evolved and developed on the basis of the original Chinese culture, and is subject to the evolution of more than thousand years of time history, and the ancient civilizations of China influence and merge with each other for a long time, nowadays, a Chinese with brilliant culture is stand in the east of the world with rich and colorful culture elements, the education of students only exists in the education of books, the students are carelessly contacted with external things, the students bury the heads and read the books, little understanding about the Chinese five thousand years of culture is realized, and the introduction of foreign culture causes the part of people to have the wind outside the Chongqi, so that the five thousand years of excellent traditional culture of Chinese can not be passed, the classroom is an important place for transferring knowledge and culture, the holy land for learning the knowledge and culture of children, and the inventor finds that the common classroom is not provided with propaganda equipment, and can not transfer the students in the vacant time of students, and the chalk dust of the blackboard in the classroom is harmful to the physical health of students and teachers, so the invention provides a chalk dust absorbing culture display device for the classroom, which is used for solving the problems.
Disclosure of Invention
The invention aims to provide a culture display device for absorbing chalk dust in a classroom, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a culture display device for absorbing chalk dust for a classroom comprises a moving device, a dust absorbing device and a display device, wherein the moving device comprises a wall fixing plate, the wall fixing plate is fixedly connected with a wall through screws, the front side of the wall fixing plate is horizontally provided with an elongated slot, the inner side of the elongated slot is horizontally provided with a movable slot, the bottom of the movable slot is fixedly provided with a plurality of groups of first splines, the first splines are uniformly arranged at the bottom of the movable slot, a movable gear is vertically arranged in the movable slot, the front side of the movable gear is provided with a fixed block, the middle part of the rear side of the fixed block is movably connected with the middle part of the front side of the movable gear through a pin shaft, and the front side of the fixed block is fixedly provided with the dust absorbing device;
the ash absorption device comprises an ash absorption box, a square vertical pipe is vertically arranged in the ash absorption box, a square transverse pipe is horizontally arranged on the side surface of the square vertical pipe, one side of the square transverse pipe is vertically and fixedly connected with the side wall of the square vertical pipe, a filter screen is arranged on the inner side of the square transverse pipe, an one-way ventilating plate is vertically arranged on the outer side of the filter screen, a movable plate is arranged on one side, away from the square vertical pipe, of the square transverse pipe, a transverse groove is formed in the front side of the movable plate, a reciprocating block is arranged in the transverse groove, a motor is fixed on the inner wall of the ash absorption box through screws, a rotating disc is fixedly arranged on the front side of the motor, a swinging rod is arranged between the rotating disc and the movable plate, one end of the swinging rod is movably connected with the front side of the rotating disc, the other end of the swinging rod is movably connected, two ends of the movable rod are respectively and fixedly connected with the side wall of the reciprocating block and the middle part of the side wall of the one-way ventilating plate, and a display device is fixedly arranged on the front side of the dust suction box;
the display device comprises a placing frame and a display screen, wherein the display screen is located in the placing frame, the side wall of the display screen is fixedly connected with the inner wall of the placing frame, and the placing frame is fixedly connected with the front side of the dust sucking device through screws.
Preferably, track grooves are formed in the upper and lower groove walls of the elongated groove, limit blocks are arranged in the track grooves, opposite surfaces of the two sets of limit blocks are vertically and fixedly connected with the side walls of the fixed blocks, the movable gear is meshed with the first spline, and the notches on the two sides of the movable groove are fixedly provided with baffle plates.
Preferably, the lower side of the dust suction box is provided with an embedded groove, a chalk dust collecting box is arranged in the embedded groove, the lower side of the square transverse pipe is provided with a leakage groove matched with chalk dust, the upper end of the chalk dust collecting box extends into the leakage groove, and the outer side wall of the chalk dust collecting box is attached to the groove wall of the leakage groove.
Preferably, two sets of symmetrical positioning grooves are formed in the groove walls on the two sides of the embedded groove, two sets of symmetrical invisible grooves are formed in the side wall of the chalk dust collecting box, gear grooves are formed in the opposite surfaces of the two sets of invisible grooves, rotating gears are arranged in the gear grooves, inserting rods are arranged in the invisible grooves, second splines are fixedly arranged on the opposite surfaces of the two sets of inserting rods, and the rotating gears are meshed with the second splines.
Preferably, the ventilation hole has been seted up to one side that one-way ventilating board is close with the filter screen, be equipped with the shrouding between ventilation hole and the filter screen, the upside of shrouding is through the upside swing joint in round pin axle and ventilation hole.
Preferably, be equipped with cylindrical brush in placing the frame, the last lower extreme of cylindrical brush and the upper and lower inner wall swing joint who places the frame, the vertical dwang that is equipped with of lower extreme of placing the frame, the perpendicular fixed connection in downside middle part of the upper end of dwang and cylindrical brush.
Preferably, the lower side of the chalk dust collecting box is provided with a cylindrical rod, the upper end of the cylindrical rod penetrates through the bottom of the chalk dust collecting box and is vertically and fixedly connected with the middle part of the lower side of the rotating gear, the lower side of the dust suction box is vertically provided with a poking rod, and the upper end of the poking rod is vertically and fixedly connected with the lower side of the dust suction box.
Preferably, the lower side of the square vertical pipe is provided with a square-table-shaped frame, and the upper side of the square-table-shaped frame is fixedly connected with the lower side of the square vertical pipe.
Preferably, the upside of inhaling the ash bin is equipped with the apron, and the fixed inserted block that is equipped with of both sides lower extreme of apron, the slot has been seted up to the upside of inhaling the ash bin, the spacing groove has been seted up to the both sides cell wall of slot, the dead slot has been seted up to the lateral wall of inserted block, and has seted up the bar groove between the dead slot, be equipped with spacing in the dead slot, the lower extreme of spacing and the cell wall swing joint of dead slot, spring and bar groove fixed connection are passed through to the upper end of spacing, the upside of apron is equipped with the round bar, and the lower extreme of round bar runs through apron to bar inslot, the both ends of round bar all are equipped with the belt, and the belt is located the bar inslot, the both ends of belt respectively with the lateral wall of spacing and the lateral wall fixed.
Preferably, one side of dwang is equipped with the L template, the one end of L template and the lower extreme fixed connection of dwang, and place the left side lower extreme of frame and seted up the turn trough, and the other end of L template is located the turn trough.
Compared with the prior art, the invention has the beneficial effects that:
1. the dust collection device and the display device can move horizontally through the moving device, so that the dust collection device can conveniently absorb chalk dust, and the display device can be horizontally adjusted to be convenient to watch;
2. the arrangement of the cylindrical brush can facilitate the wiping of dust on the display screen, and the arrangement of the rotating rod can enable the cylindrical brush to rotate to wipe the display screen by stirring the rotating rod when the dust is more at a certain position of the display screen;
3. the rotating gear and the insertion rod of the chalk dust collecting box are arranged so that when the rotating gear rotates, the insertion rod can be inserted into the positioning groove to place the chalk dust collecting box to achieve the positioning effect.
Drawings
FIG. 1 is a schematic diagram of a mobile device according to the present invention;
FIG. 2 is a schematic structural view of an ash suction device according to the present invention;
FIG. 3 is a schematic view of the display device of the present invention;
FIG. 4 is a schematic view of the bottom of the chalk dust collecting box of the present invention;
FIG. 5 is a schematic view of the structure of the one-way ventilation board of the present invention
FIG. 6 is a schematic view showing the connection between the cover plate and the dust suction box according to the present invention.
In the figure: 1 moving device, 101 movable groove, 102 long groove, 103 movable gear, 104 fixed block, 105 first spline, 106 baffle, 107 wall fixed plate, 2 dust suction device, 201 dust suction box, 202 square vertical pipe, 203 square horizontal pipe, 204 chalk dust collection box, 205 filter screen, 206 one-way ventilation plate, 207 movable rod, 208 movable plate, 209 motor, 210 rotating disk, 211 swinging rod, 212 poking rod, 213 second spline, 214 inserted rod, 215 rotating gear, 3 display device, 301 display screen, 302 cylindrical brush and 303 rotating rod.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a culture display device for absorbing chalk dust in a classroom comprises a moving device 1, a dust absorbing device 2 and a display device 3, wherein the moving device 1 comprises a wall fixing plate 107, the wall fixing plate 107 is fixedly connected with a wall through screws, the front side of the wall fixing plate 107 is horizontally provided with an elongated slot 102, the inner side of the elongated slot 102 is horizontally provided with a movable slot 101, the bottom of the movable slot 101 is fixedly provided with a plurality of groups of first splines 105, the first splines 105 are uniformly arranged at the bottom of the movable slot 101, a movable gear 103 is vertically arranged in the movable slot 101, the front side of the movable gear 103 is provided with a fixed block 104, the middle part of the rear side of the fixed block 104 is movably connected with the middle part of the front side of the movable gear 103 through a pin shaft, and the front side of the fixed block 104 is fixedly provided;
the ash suction device 2 comprises an ash suction box 201, a square vertical pipe 202 is vertically arranged in the ash suction box 201, the upper side of the square vertical pipe 202 is closed, a square horizontal pipe 203 is horizontally arranged on the side surface of the square vertical pipe 202, one side of the square horizontal pipe 203 is vertically and fixedly connected with the side wall of the square vertical pipe 202, a filter screen 205 is arranged on the inner side of the square horizontal pipe 203, a one-way ventilating plate 206 is vertically arranged on the outer side of the filter screen 205, a movable plate 208 is arranged on one side of the square horizontal pipe 203 away from the square vertical pipe 202, a transverse groove is formed in the front side of the movable plate 208, a reciprocating block is arranged in the transverse groove, a motor 209 is fixed on the inner wall of the ash suction box 201 through screws, a rotating disc 210 is fixed on the front side of the motor 209, a swinging rod 211 is arranged between the rotating disc 210 and the movable plate 208, one end of the swinging rod 211 is movably connected with the front side of the rotating disc, two ends of the movable rod 207 are respectively fixedly connected with the side wall of the reciprocating block and the middle part of the side wall of the one-way ventilating plate 206, and the display device 3 is fixedly arranged on the front side of the dust suction box 201;
display device 3 is including placing frame and display screen 301, and display screen 301 is located and places the frame, and the lateral wall of display screen 301 and the inner wall fixed connection who places the frame place the frame through screw and inhale grey device 2's front side fixed connection.
Further, track grooves are formed in the upper and lower groove walls of the long groove 102, limit blocks are arranged in the track grooves, opposite surfaces of the two sets of limit blocks are vertically and fixedly connected with the side walls of the fixed block 104, the movable gear 103 is meshed with the first spline 105, the notches on the two sides of the movable groove 101 are fixedly provided with baffle plates 106, and the arrangement of the track grooves and the limit blocks prevents the fixed block 104 from being separated from the long groove and prevents the dust suction device 2 from shaking.
Further, an embedded groove is formed in the lower side of the dust suction box 201, a chalk collecting box 204 is arranged in the embedded groove, a leakage groove matched with chalk dust is formed in the lower side of the square transverse pipe 203, the upper end of the chalk collecting box 204 extends into the leakage groove, the outer side wall of the chalk collecting box 204 is attached to the groove wall of the leakage groove, and the chalk dust collected by the chalk dust collecting box 204 can fall into the chalk dust collecting box.
Furthermore, two sets of symmetrical positioning grooves are formed in the groove walls on the two sides of the embedded groove, two sets of symmetrical invisible grooves are formed in the side wall of the chalk collecting box 204, gear grooves are formed in the opposite surfaces of the two sets of invisible grooves, a rotating gear 215 is arranged in each gear groove, an inserting rod 214 is arranged in each invisible groove, a second spline 213 is fixedly arranged on the opposite surfaces of the two sets of inserting rods 214, the rotating gear 215 is meshed with the second spline 213, the rotating gear 215 is screwed, the rotating gear 215 drives the inserting rod 214 to move, the inserting rod 214 is inserted into the positioning grooves, and the chalk dust collecting box 204 can achieve the positioning effect.
Further, the ventilation hole has been seted up to one side that one-way ventilating board 206 is close with filter screen 205, is equipped with the shrouding between ventilation hole and the filter screen 205, and the upside of shrouding is through the upside swing joint in round pin axle and ventilation hole, and such setting makes one-way ventilating board 206 when being reciprocating motion, can reach one-way ventilation effect.
Further, place being equipped with cylindrical brush 302 in the frame, the last lower extreme of cylindrical brush 302 and the upper and lower inner wall swing joint who places the frame, the lower extreme of placing the frame is vertical to be equipped with dwang 303, the upper end of dwang 303 and the perpendicular fixed connection in downside middle part of cylindrical brush 302, remove cylindrical brush 302 and can clean display screen 301, and rotate cylindrical brush 302 and make display screen 301 certain foul when not well cleaning, can clean repeatedly.
Further, a cylindrical rod is arranged on the lower side of the chalk collecting box 204, the upper end of the cylindrical rod penetrates through the bottom of the chalk collecting box 204 and is vertically and fixedly connected with the middle of the lower side of the rotating gear 215, a poking rod 212 is vertically arranged on the lower side of the dust sucking box 201, the upper end of the poking rod 212 is vertically and fixedly connected with the lower side of the dust sucking box 201, and the poking rod 212 is held by a hand to conveniently poke the dust sucking device 2.
Further, the lower side of the square vertical pipe 202 is provided with a square platform type frame, the upper side of the square platform type frame is fixedly connected with the lower side of the square vertical pipe 202, the square vertical pipe 202 is communicated with the outside through the square platform type frame, and the arrangement of the square platform type frame enables the range of dust suction of the device to be increased.
Further, inhale the upside of ash bin 201 and be equipped with the apron, and the fixed inserted block that is equipped with of both sides lower extreme of apron, the slot has been seted up to the upside of inhaling ash bin 201, the spacing groove has been seted up to the both sides cell wall of slot, the dead slot has been seted up to the lateral wall of inserted block, and seted up the bar groove between the dead slot, be equipped with spacing in the dead slot, the lower extreme of spacing and the cell wall swing joint of dead slot, spring and bar groove fixed connection are passed through to the upper end of spacing, the upside of apron is equipped with the round bar, and the lower extreme of round bar runs through apron to the bar inslot, the both ends of round bar all are equipped with the belt, and the belt is located the bar inslot, the both ends of belt respectively with the lateral wall of spacing and the lateral wall fixed connection of round bar.
Further, one side of dwang 303 is equipped with the L template, the one end of L template and the lower extreme fixed connection of dwang 303, and the left side lower extreme of placing the frame has seted up the turn trough, and the other end of L template is located the turn trough, the location of the dwang 303 of being convenient for.
The use principle is as follows: the movable gear 103 is engaged with the first spline 105 to enable the dust suction device 2 to move on the moving device 1, the baffle 106 is arranged to limit the degree of freedom of the dust suction device 2, the dust suction device 2 is composed of a dust suction box 201 and box inner parts, wherein the motor 209 drives the rotating disc 210 to rotate, so that the movable rod 207 makes reciprocating motion, so that the one-way ventilating plate 206 can suck air, wherein the square vertical tube 202 enlarges the dust suction range through the action of the square frame, the rotating gear 215 on the lower side of the chalk dust collecting box 204 rotates to enable the inserting rod 214 to clamp the dust suction box 201 to achieve the positioning effect, the inserting block on the lower side of the cover plate is inserted into the inserting groove, so that the limiting strip is popped up by the spring to enable the limiting strip to clamp the limiting groove, and the round rod is rotated to enable the belt to recover the limiting strip, so that the limiting strip is clamped into the hollow groove, thereby facilitating the installation and the disassembly of the cover plate, can inject cylindrical brush 302's position, the ventilation hole has been seted up to one side that one-way ventilating board 206 is close with filter screen 205, is equipped with the shrouding between ventilation hole and the filter screen 205, and the upside of shrouding is through the upside swing joint in round pin axle and ventilation hole, and such setting makes one-way ventilating board 206 when being reciprocating motion, can one-way ventilation.
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 (8)
1. The utility model provides a classroom is with culture display device who inhales chalk dust, includes mobile device (1), inhales grey device (2) and display device (3), its characterized in that: the moving device (1) comprises a wall fixing plate (107), the wall fixing plate (107) is fixedly connected with a wall through screws, an elongated slot (102) is horizontally formed in the front side of the wall fixing plate (107), a movable slot (101) is horizontally formed in the inner side of the elongated slot (102), a plurality of groups of first splines (105) are fixedly arranged at the bottom of the movable slot (101), the first splines (105) are uniformly arranged at the bottom of the movable slot (101), a movable gear (103) is vertically arranged in the movable slot (101), a fixing block (104) is arranged on the front side of the movable gear (103), the middle of the rear side of the fixing block (104) is movably connected with the middle of the front side of the movable gear (103) through a pin shaft, and a dust suction device (2) is fixedly arranged on the front side of the fixing block (104);
the ash absorption device (2) comprises an ash absorption box (201), a square vertical pipe (202) is vertically arranged in the ash absorption box (201), a square transverse pipe (203) is horizontally arranged on the side surface of the square vertical pipe (202), one side of the square transverse pipe (203) is vertically and fixedly connected with the side wall of the square vertical pipe (202), a filter screen (205) is arranged on the inner side of the square transverse pipe (203), a one-way ventilating plate (206) is vertically arranged on the outer side of the filter screen (205), a movable plate (208) is arranged on one side of the square transverse pipe (203) far away from the square vertical pipe (202), a transverse groove is formed in the front side of the movable plate (208), a reciprocating block is arranged in the transverse groove, a motor (209) is fixed on the inner wall of the ash absorption box (201) through screws, a rotating disc (210) is fixedly arranged on the front side of the motor (209), and a swinging rod (211) is arranged between the rotating, one end of the swinging rod (211) is movably connected with the front side of the rotating disc (210), the other end of the swinging rod (211) is movably connected with the reciprocating block, a movable rod (207) is horizontally arranged between the reciprocating block and the one-way ventilating plate (206), two ends of the movable rod (207) are respectively fixedly connected with the side wall of the reciprocating block and the middle part of the side wall of the one-way ventilating plate (206), and a display device (3) is fixedly arranged on the front side of the ash suction box (201);
the display device (3) comprises a placing frame and a display screen (301), the display screen (301) is located in the placing frame, the side wall of the display screen (301) is fixedly connected with the inner wall of the placing frame, and the placing frame is fixedly connected with the front side of the dust suction device (2) through screws;
an embedded groove is formed in the lower side of the dust suction box (201), a chalk dust collecting box (204) is arranged in the embedded groove, a leaking groove matched with the chalk dust collecting box (204) is formed in the lower side of the square transverse tube (203), the upper end of the chalk dust collecting box (204) extends into the leaking groove, and the outer side wall of the chalk dust collecting box (204) is attached to the wall of the leaking groove;
the chalk dust collecting box is characterized in that two groups of symmetrical positioning grooves are formed in the groove walls of the two sides of the embedded groove, two groups of symmetrical invisible grooves are formed in the side wall of the chalk dust collecting box (204), gear grooves are formed in opposite surfaces of the two groups of invisible grooves, a rotating gear (215) is arranged in each gear groove, an inserting rod (214) is arranged in each invisible groove, second splines (213) are fixedly arranged on opposite surfaces of the two groups of inserting rods (214), and the rotating gears (215) are meshed with the second splines (213).
2. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: track grooves are formed in the upper groove wall and the lower groove wall of the long groove (102), limiting blocks are arranged in the track grooves, opposite surfaces of the two groups of limiting blocks are vertically and fixedly connected with the side walls of the fixing blocks (104), the movable gear (103) is meshed and connected with the first spline (105), and the notches on the two sides of the movable groove (101) are fixedly provided with baffle plates (106).
3. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: the one side that one-way ventilating board (206) and filter screen (205) are close has seted up the ventilation hole, be equipped with the shrouding between ventilation hole and filter screen (205), the upside of shrouding is through the upside swing joint in round pin axle and ventilation hole.
4. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: the interior of placing the frame is equipped with cylindrical brush (302), the upper and lower end of cylindrical brush (302) and the upper and lower inner wall swing joint of placing the frame, the lower extreme of placing the frame is vertical to be equipped with dwang (303), the downside middle part vertical fixed connection of the upper end of dwang (303) and cylindrical brush (302).
5. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: the chalk dust collecting box is characterized in that a cylindrical rod is arranged on the lower side of the chalk dust collecting box (204), the upper end of the cylindrical rod penetrates through the bottom of the chalk dust collecting box (204), the upper end of the cylindrical rod is vertically and fixedly connected with the middle of the lower side of the rotating gear (215), a poking rod (212) is vertically arranged on the lower side of the dust suction box (201), and the upper end of the poking rod (212) is vertically and fixedly connected with the lower side of the dust suction box (201).
6. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: the lower side of the square vertical pipe (202) is provided with a square platform frame, and the upper side of the square platform frame is fixedly connected with the lower side of the square vertical pipe (202).
7. The apparatus for displaying culture of chalk dust in classroom according to claim 1, wherein: inhale the upside of ash bin (201) and be equipped with the apron, and the fixed inserted block that is equipped with of both sides lower extreme of apron, the slot has been seted up to the upside of inhaling ash bin (201), the spacing groove has been seted up to the both sides cell wall of slot, the dead slot has been seted up to the lateral wall of inserted block, and has seted up the bar groove between the dead slot, be equipped with spacing in the dead slot, the lower extreme of spacing and the cell wall swing joint of dead slot, spring and bar groove fixed connection are passed through to the upper end of spacing, the upside of apron is equipped with the round bar, and the lower extreme of round bar runs through apron to bar inslot, the both ends of round bar all are equipped with the belt, and the belt is located the bar inslot, the both ends of belt respectively with the lateral wall of spacing and the lateral wall fixed connection.
8. The apparatus for displaying culture of chalk dust in classroom according to claim 4, wherein: one side of dwang (303) is equipped with the L template, the one end of L template and the lower extreme fixed connection of dwang (303), and the left side lower extreme of placing the frame has seted up the turn trough, and the other end of L template is located the turn trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721687.6A CN108877314B (en) | 2018-07-04 | 2018-07-04 | Classroom is with culture display device who inhales chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810721687.6A CN108877314B (en) | 2018-07-04 | 2018-07-04 | Classroom is with culture display device who inhales chalk dust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108877314A CN108877314A (en) | 2018-11-23 |
| CN108877314B true CN108877314B (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810721687.6A Active CN108877314B (en) | 2018-07-04 | 2018-07-04 | Classroom is with culture display device who inhales chalk dust |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944198A (en) * | 2018-07-18 | 2018-12-07 | 六安市叶集区未名教育科技有限公司 | A kind of culture displaying device of classroom sucking chalk powder |
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