CN213199312U - Mathematics teaching tool dust collector - Google Patents
Mathematics teaching tool dust collector Download PDFInfo
- Publication number
- CN213199312U CN213199312U CN202022000863.2U CN202022000863U CN213199312U CN 213199312 U CN213199312 U CN 213199312U CN 202022000863 U CN202022000863 U CN 202022000863U CN 213199312 U CN213199312 U CN 213199312U
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- CN
- China
- Prior art keywords
- dust
- air exhaust
- dish
- dust removal
- dust removing
- 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.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 title claims abstract description 108
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
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- 239000000463 material Substances 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 abstract description 11
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- 230000008901 benefit Effects 0.000 abstract description 3
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The utility model discloses a mathematics teaching tool dust collector, including dust removal dish, dust absorption dish and handle, the dust absorption dish sets up at the dust removal dish upside, and the handle sets up at the dust absorption dish upside, and the bottom of dust removal dish is provided with a plurality of ball all around, and the inside of dust removal dish is provided with a plurality of third extraction holes all around, and the inboard bottom of dust removal dish is provided with a plurality of second extraction holes, is provided with the blackboard eraser in the dust removal dish, and the inside of blackboard eraser is provided with first extraction hole; an air exhaust pipeline is arranged in the dust collection disc, a plurality of support columns are arranged in the air exhaust pipeline, a small-sized air exhaust motor is arranged on each support column, the tail end of each air exhaust pipeline is communicated with a detachable dust storage box, an exhaust window is arranged on the outer wall of each dust storage box, and a filter layer is arranged in each exhaust window; the suction line left side is provided with the battery of installing in the inside of dust absorption dish, and the dust absorption dish left side is provided with the switch, the utility model has the advantages of simple structure, convenient to use, occupy small, dust removal effect is good.
Description
Technical Field
The utility model belongs to the technical field of the mathematical education equipment structure, in particular to mathematics teaching tool dust collector.
Background
At present, various blackboards are commonly used in mathematical teaching, but blackboard writing is written by chalk, dust pollution problems exist mostly in the writing and erasing processes, the physical health of teachers and students is seriously affected, especially in middle and primary schools, the blackboards and the chalk in classrooms are things which students and teachers can contact every day, especially when the blackboard writing is erased, a large piece of white dust flies all the day, people inevitably inhale some chalk dust, and the inhaled chalk dust is easy to cause harm to various organs such as lungs, upper respiratory tracts, eyes, skins, ears and the like of the students and the teachers, and can also induce other diseases and pollute the environment; in order to solve the problem of dust pollution, a dust removal device for a mathematical teaching tool needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mathematics teaching tool dust collector has simple structure, convenient to use, occupies small, the good advantage of dust removal effect.
In order to achieve the above object, the utility model provides a following technical scheme: a dust removal device for a mathematical teaching tool comprises a dust removal disc, a dust removal disc and a handle, wherein the dust removal disc is arranged on the upper side of the dust removal disc, the handle is arranged on the upper side of the dust removal disc, the dust removal disc is of an inverted bowl-shaped structure, a plurality of balls are arranged around the bottom of the dust removal disc, a plurality of third air suction holes are arranged around the inside of the dust removal disc, a plurality of second air suction holes are arranged at the bottom of the inner side of the dust removal disc, a blackboard eraser is arranged in the dust removal disc, and first air suction holes which are in one-to-one correspondence with the second air suction holes are arranged in the; an air exhaust pipeline is arranged in the dust collection disc and is communicated with the first air exhaust hole, the second air exhaust hole and the third air exhaust hole, a plurality of support columns are arranged in the air exhaust pipeline, a small air exhaust motor is arranged on each support column, the tail end of each air exhaust pipeline is communicated with a detachable dust storage box, an exhaust window is arranged on the outer wall of each dust storage box, and a filter layer is arranged in each exhaust window; the utility model discloses a dust absorption dish, including suction pipeline, switch, storage battery, air exhaust motor, switch, air exhaust pipeline.
Preferably, the dust removal disc, the dust collection disc and the handle are all made of PVC materials, and the handle is provided with an anti-slip rubber layer.
Preferably, six balls are arranged, and the bottom surfaces of the balls are not lower than the bottom surface of the blackboard eraser.
Preferably, the filter layer adopts wood pulp limiting filter paper or SMS non-woven fabric.
Preferably, the outer side of the small-sized air exhaust motor is provided with a dustproof shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model has the advantages of small and light structure, convenient hand-held operation, convenient movement, first air exhaust hole in the eraser, second air exhaust hole and third air exhaust hole in the dust-removing disc, direct dust suction in the dust-storing box in the erasing process, and filtering layer in the dust-storing box, which can filter dust in the dust-storing box, effectively reduce dust flying out, and avoid dust pollution to environment in the erasing process and influence teachers and students' health; after using the completion, can regularly take off the dust that stores up the inside storage of dust box clearance, the utility model discloses dust removal effect is good, convenient operation, and the practicality is strong, is fit for promoting.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the bottom view of the present invention.
Fig. 4 is a schematic view of the cross-sectional structure of the dust-removing disc of the present invention.
In the figure: 1. the dust collecting device comprises a dust collecting disc, 2, a dust collecting disc, 3, a handle, 4, a ball, 5, a blackboard eraser, 6, a first air extracting hole, 7, a second air extracting hole, 8, a third air extracting hole, 9, an air extracting pipeline, 10, a small air extracting motor, 11, a support column, 12, a dust storage box, 13, a filter layer, 14, a storage battery, 15, a switch, 16 and an exhaust window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the embodiment provides a dust removing device for a mathematical teaching tool, which includes a dust removing tray 1, a dust collecting tray 2 and a handle 3, wherein the dust collecting tray 2 is arranged on the upper side of the dust removing tray 1, the handle 3 is arranged on the upper side of the dust collecting tray 2, the dust removing tray 1 is of an inverted bowl-shaped structure, a plurality of balls 4 are arranged around the bottom of the dust removing tray 1, a plurality of third air suction holes 8 are arranged around the inside of the dust removing tray 1, a plurality of second air suction holes 7 are arranged at the bottom of the inner side of the dust removing tray 1, a blackboard eraser 5 is arranged in the dust removing tray 1, and first air suction holes 6 corresponding to the second air suction holes 7 one by one are arranged in the blackboard; an air extraction pipeline 9 is arranged in the dust collection disc 2, the air extraction pipeline 9 is communicated with a first air extraction hole 6, a second air extraction hole 7 and a third air extraction hole 8, a plurality of support columns 11 are arranged in the air extraction pipeline 9, a small-sized air extraction motor 10 is arranged on each support column 11, the tail end of each air extraction pipeline 9 is communicated with a detachable dust storage box 12, an exhaust window 16 is arranged on the outer wall of each dust storage box 12, and a filter layer 13 is arranged in each exhaust window 16; the suction pipe 9 left side is provided with installs the battery 14 in the inside of dust absorption dish 2, 2 left sides of dust absorption dish are provided with switch 15, battery 14 and small-size air bleed motor 10, the equal electric connection of switch 15.
In order to alleviate the utility model discloses a weight improves simultaneously the utility model discloses a life-span, in this embodiment, dust removal dish 1, dust absorption dish 2 and handle 3 all adopt the PVC material, be provided with the non-slip rubber layer on the handle 3.
In order to facilitate the movement of the utility model, and the erasing effect is not influenced, in the embodiment, the number of the balls 4 is six, and the bottom surface of the ball 4 is not lower than the bottom surface of the eraser 5.
In order to improve the filtering effect of the dust storage box 12, in this embodiment, the filtering layer 13 is made of wood pulp limiting filter paper or SMS non-woven fabric.
In order to prevent dust from entering the small-sized air-extracting motor 10 and affecting the service life of the small-sized air-extracting motor 10, in the embodiment, a dust-proof housing is arranged outside the small-sized air-extracting motor 10.
The utility model discloses a theory of operation: when the utility model is used for erasing blackboard writing, the handle 3 is held by hand, or the palm downwards passes through the handle 3, the dust collection disc 2 is held by the palm, the grabbing is firmer, then the switch 15 is opened, the small-sized air exhaust motor 10 starts to work, the utility model discloses make the dust collection disc 1 stick to the blackboard, utilize the ball 4 to roll and be convenient for moving, erase the blackboard writing that needs to be erased, the dust that is produced in the erasing process is sucked into the air exhaust pipeline 9 through the first air exhaust hole 6, the second air exhaust hole 7 and the third air exhaust hole 8, further is sucked into the dust storage box 12, the dust storage box 12 is provided with the exhaust window 16, the filter layer 13 is arranged on the inner side of the exhaust window 16, when the gas is exhausted, the dust is filtered and left in the dust storage box 12, the dust is effectively reduced to be blown out, the dust pollution to the environment in the erasing process is avoided, and; after using the completion, can regularly take off the dust of storing up the inside storage of dust box 2 clearance, the utility model discloses dust removal effect is good, convenient operation, and the practicality is strong, is fit for promoting.
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 (5)
1. The utility model provides a mathematics teaching tool dust collector, includes dust removal dish, dust absorption dish and handle, the dust absorption dish sets up at dust removal dish upside, the handle sets up at dust absorption dish upside, its characterized in that: the dust removing plate is of an inverted bowl-shaped structure, a plurality of balls are arranged on the periphery of the bottom of the dust removing plate, a plurality of third air suction holes are arranged on the periphery of the inner part of the dust removing plate, a plurality of second air suction holes are arranged on the bottom of the inner side of the dust removing plate, an eraser is arranged in the dust removing plate, and first air suction holes which correspond to the second air suction holes one by one are arranged in the eraser; an air exhaust pipeline is arranged in the dust collection disc and is communicated with the first air exhaust hole, the second air exhaust hole and the third air exhaust hole, a plurality of support columns are arranged in the air exhaust pipeline, a small air exhaust motor is arranged on each support column, the tail end of each air exhaust pipeline is communicated with a detachable dust storage box, an exhaust window is arranged on the outer wall of each dust storage box, and a filter layer is arranged in each exhaust window; the utility model discloses a dust absorption dish, including suction pipeline, switch, storage battery, air exhaust motor, switch, air exhaust pipeline.
2. The mathematical education tool dust removing apparatus as set forth in claim 1, wherein: the dust removal disc, the dust collection disc and the handle are all made of PVC materials, and the handle is provided with an anti-slip rubber layer.
3. The mathematical education tool dust removing apparatus as set forth in claim 1, wherein: six balls are arranged, and the bottom surfaces of the balls are not lower than the bottom surface of the blackboard eraser.
4. The mathematical education tool dust removing apparatus as set forth in claim 1, wherein: the filter layer adopts wood pulp limiting filter paper or SMS non-woven fabric.
5. The mathematical education tool dust removing apparatus as set forth in claim 1, wherein: and a dustproof shell is arranged on the outer side of the small air exhaust motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000863.2U CN213199312U (en) | 2020-09-14 | 2020-09-14 | Mathematics teaching tool dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022000863.2U CN213199312U (en) | 2020-09-14 | 2020-09-14 | Mathematics teaching tool dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213199312U true CN213199312U (en) | 2021-05-14 |
Family
ID=75820202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022000863.2U Expired - Fee Related CN213199312U (en) | 2020-09-14 | 2020-09-14 | Mathematics teaching tool dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213199312U (en) |
-
2020
- 2020-09-14 CN CN202022000863.2U patent/CN213199312U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210514 |