CN212856742U - Chalk dust cleaning device - Google Patents
Chalk dust cleaning device Download PDFInfo
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- CN212856742U CN212856742U CN202021438175.8U CN202021438175U CN212856742U CN 212856742 U CN212856742 U CN 212856742U CN 202021438175 U CN202021438175 U CN 202021438175U CN 212856742 U CN212856742 U CN 212856742U
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Abstract
The utility model provides a chalk dust cleaning device, which comprises a blackboard, wherein the bottom of the blackboard is provided with a dust receiving groove, and the chalk dust cleaning device is characterized in that two ends of the dust receiving groove are provided with dust receiving boxes communicated with the dust receiving groove, the cross section of the dust receiving groove is in a circular arc shape, the inner side of the dust receiving groove is provided with a slide block, the slide block is provided with a first mounting groove at two ends facing one side of the dust receiving groove, two universal balls are fixed in the first mounting groove along the length direction of the dust receiving groove, two sides of the slide block facing one side of the dust receiving groove are provided with clamping grooves, scraping strips are embedded in the clamping grooves, the middle part of the lower end of the slide block is provided with a second mounting groove, a first magnet is embedded in the second mounting groove, the lower end of the dust receiving groove is provided with a second magnet and a reciprocating driving unit, the second magnet is driven to reciprocate along the length direction of the dust receiving groove, through scraping the strip with dust clearance to connecing the ash box, simple structure, degree of automation is high, has saved the trouble of manual work clearance.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a chalk dust cleaning device.
Background
The blackboard is one of the commonly used props in school teaching activities, it is arranged on the wall, write the teaching content on the surface of blackboard through the chalk, erase the content on the surface of blackboard through the blackboard eraser, thus can use repeatedly, the early blackboard is while using, the dust that produces in the chalk writes and the dust that the blackboard eraser erased when the blackboard eraser is erased directly dropped under the blackboard, long time needs the manual cleaning, very inconvenient, the later blackboard lower extreme will set up a long groove usually, is used for storing the dust dropped, with the increase of dust volume, still need the manual brush to brush the dust from the long groove and pour out, it is comparatively troublesome.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention is directed to a chalk dust cleaning device, so as to solve all or one of the above-mentioned problems.
Based on the above purpose, the utility model provides a chalk dust cleaning device, which comprises a blackboard, wherein the bottom of the blackboard is provided with a dust receiving groove, two ends of the dust receiving groove are provided with dust receiving boxes communicated with the dust receiving groove, the cross section of the dust receiving groove is in the shape of an arc, the inner side of the dust receiving groove is provided with an arc-shaped sliding block matched with the inner surface of the dust receiving groove, the two ends of one side of the sliding block facing the dust receiving groove are provided with a first mounting groove, two universal balls are fixed inside the first mounting groove along the length direction of the dust receiving groove, the universal balls are in contact connection with the inner surface of the dust receiving groove, two sides of one side of the sliding block facing the dust receiving groove are provided with clamping grooves, scraping strips are embedded in the clamping grooves and are attached to the inner surface of the dust receiving groove, the middle part of the lower end of the sliding block is provided with a second mounting groove, the inside of the second mounting groove, the first magnet and the second magnet attract each other, and the reciprocating driving unit is used for driving the second magnet to do reciprocating linear motion along the length direction of the ash receiving groove.
Optionally, the reciprocating driving unit comprises a rectangular box located at the lower end of the ash receiving groove, a connecting rod is arranged between the rectangular box and the ash receiving groove, the rectangular box is parallel to the length direction of the ash receiving groove, rotating seats are fixed at the two ends of the inside of the rectangular box, a rotating shaft is vertically sleeved on a bearing inner ring of each rotating seat, a rotating wheel is sleeved on the upper end of each rotating shaft, the distance between the two rotating wheels is larger than the length of the ash receiving groove, a waist-shaped annular driving belt is sleeved on the outer rings of the two rotating wheels, the central axis of the length direction of the driving belt is aligned with the central axis of the length direction of the connecting groove, a fixing block is fixed at the upper end of the belt body of the driving belt, an extending block extending towards the central axis of the length direction of the driving belt is arranged at the upper end of the extending block, the motor is arranged at the bottom of one end of the rectangular box, an output shaft of the motor is fixedly connected with one rotating shaft, and a switch for controlling the motor to be turned on and off is fixed on the side face of the rectangular box.
Optionally, the inside of rectangle box is equipped with the polylith backup pad along its length direction equidistance, the backup pad is located the lower extreme of drive belt.
Optionally, the two sides of the inner part of the ash receiving groove are provided with arc-shaped grooves arranged along the length direction of the ash receiving groove, the ball body of the universal ball is in contact connection with the arc-shaped grooves, and the two ends of the scraping strip are provided with protrusions attached to the arc-shaped grooves.
Optionally, a limiting block is fixed at one end of the inner side of the ash receiving box, which faces the ash receiving groove.
From the above, can see out, the utility model discloses a chalk dust cleaning device through two edges of reciprocal drive unit drive magnet connect grey groove length direction reciprocating motion, through magnet one with two attract each other and act on drive slider synchronous motion, through scraping the strip with the dust clearance to connecing the ash box, simple structure, degree of automation is high, has saved the trouble of manual cleaning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the cleaning device of the present invention;
FIG. 2 is a schematic side view of the ash receiving groove and rectangular box of the present invention;
fig. 3 is a schematic bottom view of the slider of the present invention;
FIG. 4 is a schematic top view of the structure of the transmission belt of the present invention;
fig. 5 is a schematic top view of the ash receiving box and the ash receiving groove of the present invention.
Wherein 1, the blackboard; 2. an ash receiving box; 3. a rectangular box; 4. a rotating seat; 5. a rotating shaft; 6. a rotating wheel; 7. a support plate; 8. a transmission belt; 9. a motor; 10. a switch; 11. a connecting rod; 12. an ash receiving groove; 13. an arc-shaped slot; 14. a universal ball; 15. a first mounting groove; 16. a magnet I; 17. a second mounting groove; 18. an extension block; 19. a fixed block; 20. a second magnet; 21. scraping the strips; 22. a slider; 23. a card slot; 24. and a limiting block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the ordinary meaning as understood by those having ordinary skill in the art to which the present disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The utility model provides a chalk dust cleaning device, which comprises a blackboard 1, the bottom of the blackboard 1 is provided with a dust receiving groove 12, two ends of the dust receiving groove 12 are provided with dust receiving boxes 2 communicated with the dust receiving groove, the cross section of the dust receiving groove 12 is arc-shaped, the inner side of the dust receiving groove 12 is provided with a circular arc-shaped slider 22 matched with the inner surface of the dust receiving groove, the slider 22 is provided with a first mounting groove 15 towards the two ends of one side of the dust receiving groove 12, two universal balls 14 are fixed in the first mounting groove 15 along the length direction of the dust receiving groove 12, the universal balls 14 are in contact connection with the inner surface of the dust receiving groove 12, two sides of the slider 22 towards the one side of the dust receiving groove 12 are provided with a clamping groove 23, a scraping strip 21 is embedded in the clamping groove 23, the scraping strip 21 is in contact with the inner surface of the dust receiving groove 12, the middle part of the lower end of the slider 22 is provided with a, the lower end of the ash receiving groove 12 is provided with a second magnet 20 and a reciprocating driving unit, the first magnet 16 and the second magnet 20 attract each other, and the reciprocating driving unit is used for driving the second magnet 20 to do reciprocating linear motion along the length direction of the ash receiving groove 12.
As shown in fig. 1-3, the device comprises a blackboard 1, an ash receiving groove 12 is arranged at the bottom of the blackboard 1, ash receiving boxes 2 are arranged at two ends of the ash receiving groove 12, for example, the ash receiving boxes 2 can be detachably connected with the ash receiving groove 12 in a clamping manner, the ash receiving groove 12 is arranged along the length direction of the blackboard 1, the ash receiving groove 12 can be fixed at the bottom of the blackboard 1 in a bolt connection manner, the cross section of the ash receiving groove 12 is arc-shaped, so that dust is conveniently concentrated at the bottom of the ash receiving groove 12 and is convenient to clean, a sliding block 22 is arranged at the inner side of the ash receiving groove 12, the sliding block 22 is also arc-shaped and is matched with the inner surface of the ash receiving groove 12, mounting grooves 15 are formed at two ends of one surface of the sliding block 22 facing the ash receiving groove 12, two universal balls 14 are fixed inside the mounting grooves 15, the two universal balls 14 are arranged along the length direction of the ash receiving groove 12, so it slides to be convenient for slider 22 in connecing grey groove 12, slider 22 has seted up draw-in groove 23 towards the one side both sides of connecing grey groove 12, it has scraping strip 21 to embed in draw-in groove 23, it can be made by the rubber material to scrape strip 21, it sets up the lower surface at slider 22 to scrape strip 21, it is equally arc, scrape strip 21 and the laminating of the internal surface that connects grey groove 12, mounting groove two 17 has been seted up at slider 22's lower extreme middle part, the inside embedding of mounting groove two 17 has magnet one 16, magnet one 16 accessible bonding mode is fixed in mounting groove two 17, the lower extreme that connects grey groove 12 is equipped with magnet two 20 and reciprocating drive unit, reciprocating drive unit is used for driving magnet two 20 and is reciprocal linear motion along connecing grey groove 12 length direction, magnet two 20 and magnet one 16 inter attraction.
When the blackboard 1 is used, generated dust falls into the dust receiving groove 12, the magnet II 20 is driven by the reciprocating driving unit to do reciprocating linear motion at the lower end of the dust receiving groove 12, the magnet II 20 and the magnet I16 attract each other, the magnet I20 attracts the magnet I16 to move synchronously when moving, the magnet I16 is fixed in the mounting groove II 17, the magnet I16 drives the slider 22 to move in the sliding groove, the universal balls 14 are arranged at two ends of the slider 22 to facilitate the slider 22 to move in the sliding groove, the clamping grooves 23 are formed in two sides of the bottom surface of the slider 22, the scraping strips 21 in the clamping grooves 23 are attached to the inner surface of the dust receiving groove 12, so that when the slider 22 moves, the scraping strips 21 scrape dust to one end of the dust receiving groove 12, for example, when the slider 22 and the magnet II 20 are simultaneously positioned at the left end of the blackboard 1, the magnet II 20 is driven by the reciprocating driving unit to move from left to right, the magnet II 20 drives the, when the sliding block 22 moves rightwards, the scraping strip 21 on the right side of the sliding block 22 scrapes dust into the dust receiving box 2 at the right end of the dust receiving groove 12, the sliding block 22 moves leftwards and rightwards through the reciprocating driving unit driving magnet two 20 when ash removal operation is performed next time, the sliding block 22 moves leftwards and rightwards, the scraping strip 21 on the left side of the sliding block 22 scrapes the dust into the dust receiving box 2 at the left end of the dust receiving groove 12, and after the dust in the dust receiving box 2 reaches a certain amount, the dust receiving box 2 is detached and the dust is removed.
To sum up, the utility model discloses a chalk dust cleaning device follows through two 20 of reciprocating drive unit drive magnet and connects 12 length direction reciprocating motion in ash chute, through 16 attracting mutually with two 20 of magnet and drive slider 22 synchronous motion, through scraping strip 21 with the dust clearance to connecing ash pan 2, simple structure, degree of automation is high, has saved the trouble of manual cleaning.
In some optional embodiments, the reciprocating driving unit comprises a rectangular box 3 located at the lower end of an ash receiving groove 12, a connecting rod 11 is arranged between the rectangular box 3 and the ash receiving groove 12, the rectangular box 3 is parallel to the length direction of the ash receiving groove 12, rotating seats 4 are fixed at two ends of the inside of the rectangular box 3, a rotating shaft 5 is vertically sleeved on a bearing inner ring of each rotating seat 4, a rotating wheel 6 is sleeved on the upper end of each rotating shaft 5, the distance between the two rotating wheels 6 is greater than the length of the ash receiving groove 12, a waist-shaped annular driving belt 8 is sleeved on the outer rings of the two rotating wheels 6, the central axis of the driving belt 8 in the length direction is aligned with the central axis of the ash receiving groove in the length direction, a fixed block 19 is fixed at the upper end of a belt body of the driving belt 8, an extending block 18 extending towards the central axis of the driving belt 8 in the length direction is, the central axis of the second magnet 20 is aligned with the central axis of the transmission belt 8 in the length direction, a motor 9 is arranged at the bottom of one end of the rectangular box 3, an output shaft of the motor 9 is fixedly connected with one of the rotating shafts 5, and a switch 10 used for controlling the opening and closing of the motor 9 is fixed on the side face of the rectangular box 3.
As shown in fig. 1, 2 and 4, the rectangular box 3 is disposed at the lower end of the ash receiving slot 12, and the two are connected by a connecting rod 11, for example, the connecting rod 11 can be connected with the ash receiving slot 12 and the rectangular box 3 by welding, the rectangular box 3 is parallel to the length direction of the ash receiving slot 12, two ends of the rectangular box 3 are provided with rotating seats 4, the rotating seats 4 can be fixed by bolts, the rotating shaft 5 and the inner bearing ring of the rotating seat 4 can be in interference fit, the driving belt 8 is sleeved on the outer rings of the two rotating wheels 6, the driving belt 8 is in a waist ring shape, the central axis of the length direction thereof is aligned with the central axis of the length direction of the connection slot, the fixed block 19 can be fixed by screws, the extending block 18 and the fixed block 19 can be connected by welding, the placing slot is disposed on the extending block 18, the second magnet 20 is fixed in the placing slot by bonding or clamping, the central axis of the second, the first magnet 16 is positioned in the middle of the lower end of the sliding block 22, so that the second magnet 20 is vertically aligned with the first magnet 16, the motor 9 is fixed at the bottom of one end of the rectangular box 3 in a bolt riveting mode, an output shaft of the motor is connected with one rotating shaft 5, the motor 9 can drive the rotating shaft 5 to rotate so as to drive the rotating wheel 6 and the transmission belt 8 to rotate, a switch 10 is arranged on the side surface of the rectangular box 3, the switch 10 is electrically connected with the motor 9 and used for controlling the on and off of the motor 9, after the motor 9 is started, the transmission belt 8 continuously rotates in a certain direction, a fixed block 19 on the transmission belt 8 moves according to the shape of the belt body of the transmission belt 8, the belt body of the transmission belt 8 is in a waist-shaped ring shape and is provided with two linear segments, the moving directions of the fixed block, meanwhile, the second magnet 20 is fixed on the central axis of the length direction of the transmission belt 8 through the extension block 18, so that no matter which straight line segment the fixed block 19 is located on, the second magnet 20 is located on the central axis of the length direction of the transmission belt 8, the second magnet 20 is aligned with the first magnet 16 up and down, attraction between the second magnet 20 and the first magnet 16 is more stable, the slider 22 moves more stably, reciprocating linear motion of the second magnet 20 can be realized through continuous rotation of the transmission belt 8, and the first magnet 16 drives the slider 22 to reciprocate along the ash receiving groove 12.
In some optional embodiments, a plurality of supporting plates 7 are equidistantly arranged in the rectangular box 3 along the length direction of the rectangular box, the supporting plates 7 are located at the lower end of the transmission belt 8, the length of the blackboard 1 is about 3-5m, the length of the transmission belt 8 is slightly larger than that of the blackboard 1, the middle part of the transmission belt 8 is downwards sunken due to the self gravity, the magnet II 20 is easy to downwards move, and the magnet I16 cannot be well attracted, so that the supporting plates 7 support the magnet II, the plane straightness of the supporting belt is ensured, and the height of the magnet II 20 is kept unchanged.
In some optional embodiments, the two sides of the inner part of the ash receiving groove 12 are provided with arc-shaped grooves 13 arranged along the length direction thereof, the ball body of the universal ball 14 is in contact connection with the arc-shaped grooves 13, and the two ends of the scraping strip 21 are provided with protrusions attached to the arc-shaped grooves 13.
As shown in fig. 2, universal ball 14 rolls in arc wall 13, and arc wall 13 has played spacing and guide effect to slider 22, further improves the stability when slider 22 removes, sets up the arch of laminating with arc wall 13 on scraping strip 21, and then scrapes the dust in arc wall 13 to connect ash box 2 in, avoids the long-pending dust that stays in arc wall 13.
In some alternative embodiments, a limiting block 24 is fixed on one end of the inner side of the ash receiving box 2 facing the ash receiving groove 12.
As shown in fig. 5, a limiting block 24 is arranged at one end of the dust receiving box 2 close to the dust receiving groove 12, when the sliding block 22 moves to the position of the limiting block 24, the sliding block cannot move continuously again, only when the magnet two 20 moves to another straight line segment from the straight line segment of the transmission belt 8 to change direction, the sliding block 22 can be driven to move in the opposite direction, the dust is scraped into the dust receiving box 2 by the scraping strip 21, the limiting block 24 limits the sliding block 22, a large amount of dust is stored in the dust receiving box 2, the sliding block 22 is easy to clamp, so that the limiting block 24 limits the sliding block 22, and the sliding block 22 is prevented from being clamped in the accumulated dust and cannot move again.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
The present embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a chalk dust cleaning device, includes blackboard (1), blackboard (1) bottom is equipped with connects ash chute (12), its characterized in that, the both ends that connect ash chute (12) are equipped with rather than the ash receiving box (2) that communicates, the cross sectional shape who connects ash chute (12) is circular-arc, the inboard that connects ash chute (12) is equipped with rather than convex slider (22) of internal surface complex, mounting groove (15) have been seted up to slider (22) orientation both ends that connect ash chute (12) one side, the inside of mounting groove (15) is fixed with two universal balls (14) along connecing ash chute (12) length direction, universal ball (14) with connect ash chute (12) internal surface contact and be connected, draw-in groove (23) have been seted up to slider (22) orientation both sides that connect ash chute (12) one side, the embedding has scrapes strip (21) in draw-in groove (23), scrape strip (21) with connect the internal surface laminating of ash chute (12), the lower end middle part of slider (22) has seted up mounting groove two (17), the inside embedding of mounting groove two (17) has magnet one (16), the lower extreme that connects grey groove (12) is equipped with magnet two (20) and reciprocating drive unit, magnet one (16) and magnet two (20) inter attraction, reciprocating drive unit is used for driving magnet two (20) and is reciprocating linear motion along connecing grey groove (12) length direction.
2. The chalk dust cleaning device according to claim 1, characterized in that the reciprocating driving unit comprises a rectangular box (3) at the lower end of the dust receiving groove (12), a connecting rod (11) is arranged between the rectangular box (3) and the dust receiving groove (12), the rectangular box (3) is parallel to the length direction of the dust receiving groove (12), rotating seats (4) are fixed at the two inner ends of the rectangular box (3), a rotating shaft (5) is vertically sleeved on the bearing inner ring of the rotating seat (4), a rotating wheel (6) is sleeved on the upper end of the rotating shaft (5), the distance between the two rotating wheels (6) is greater than the length of the dust receiving groove (12), a waist-shaped annular driving belt (8) is sleeved on the outer rings of the two rotating wheels (6), the central axis of the length direction of the driving belt (8) is aligned with the central axis of the length direction of the dust receiving groove, a fixing block (19) is fixed at the upper end of the belt body of the, the upper end of fixed block (19) is equipped with extension piece (18) that extend towards drive belt (8) length direction's axis direction, the upper end at extension piece (18) is fixed in magnet two (20), the axis of magnet two (20) aligns with drive belt (8) length direction's axis, the one end bottom of rectangle box (3) is equipped with motor (9), the output shaft and one of them pivot (5) fixed connection of motor (9), the side of rectangle box (3) is fixed with switch (10) that are used for controlling motor (9) to open and close.
3. A chalk dust cleaning device according to claim 2, characterized in that the inside of said rectangular box (3) is provided with a plurality of support plates (7) at equal intervals along its length direction, said support plates (7) being located at the lower end of the transmission belt (8).
4. The chalk dust cleaning device according to claim 3, characterized in that, the two sides of the inner part of the dust receiving groove (12) are provided with arc grooves (13) arranged along the length direction thereof, the ball body of the universal ball (14) is in contact connection with the arc grooves (13), and the two ends of the scraping strip (21) are provided with protrusions attached to the arc grooves (13).
5. The chalk dust cleaning device according to claim 4, characterized in that a limiting block (24) is fixed at one end of the inner side of the dust receiving box (2) facing the dust receiving groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021438175.8U CN212856742U (en) | 2020-07-18 | 2020-07-18 | Chalk dust cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021438175.8U CN212856742U (en) | 2020-07-18 | 2020-07-18 | Chalk dust cleaning device |
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| Publication Number | Publication Date |
|---|---|
| CN212856742U true CN212856742U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021438175.8U Active CN212856742U (en) | 2020-07-18 | 2020-07-18 | Chalk dust cleaning device |
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| Country | Link |
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| CN (1) | CN212856742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633420A (en) * | 2022-03-30 | 2022-06-17 | 施伟强 | Cooling equipment for forming polyethylene film and forming process thereof |
-
2020
- 2020-07-18 CN CN202021438175.8U patent/CN212856742U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114633420A (en) * | 2022-03-30 | 2022-06-17 | 施伟强 | Cooling equipment for forming polyethylene film and forming process thereof |
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