CN206446333U - A kind of Novel blackboard eraser - Google Patents
A kind of Novel blackboard eraser Download PDFInfo
- Publication number
- CN206446333U CN206446333U CN201621342915.1U CN201621342915U CN206446333U CN 206446333 U CN206446333 U CN 206446333U CN 201621342915 U CN201621342915 U CN 201621342915U CN 206446333 U CN206446333 U CN 206446333U
- Authority
- CN
- China
- Prior art keywords
- collection powder
- frame
- collection
- baffle plate
- powdery substances
- 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
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of Novel blackboard eraser, including brush board, device for inhaling powdery substances, collection powder frame and collection powder box, ash-inlet hole is provided between some bristles set on the brush board；The cross-shaped stay lower end set inside the device for inhaling powdery substances, which is provided with motor, the output shaft of motor, is provided with blade, and brush board is arranged in the lower frame step of device for inhaling powdery substances lower end, and device for inhaling powdery substances upper end is provided with upper ledge step；The collection powder frame lower end is provided with fixed frame ring, baffle plate is placed with the groove set on fixed frame ring, exhaust vent is provided with the two side for collecting powder frame, the interior of collection powder frame one is additionally provided with boss, collection powder frame opposite side wall is provided with slip mouth, and collection powder frame is arranged in lower frame step by fixed frame ring；Intraoral be provided with collection powder box, collection powder box bottom surface of the slip is provided with collection powder hole, and collection powder box upper end sets jagged, collects powder box side and is provided with handle；The utility model is simple in construction, compact, conveniently moving, can be widely popularized and be applied.
Description
【Technical field】
The utility model is related to the technical field of the technical field of teaching aid, particularly blackboard eraser.
【Background technology】
Chalk is usually needed to use in conventional teaching, but the dust produced after chalk-writing can be a series of to teacher's generation
The problem of, damage teacher is healthy, the harm to lung：Chalk dust is easy to be inhaled into lung, and majority is delayed in alveolar, warp
A series of stimulation is crossed, chemistry and immune effect just can cause lung to lose, including inflammation in respiratory system and pulmonary ventilation function
Decline, common PUD D has：Chronic, acute pneumonia, lung cancer, pneumoconiosis etc.；Harm to eyes：Chalk dust it is main
Composition calcium carbonate, calcium oxide etc. are a kind of water-soluble substanceses, are dissolved easily in water, and produce alkaline matter, and chalk dust is fallen into
In eye, stimulate lacrimal secretion, tears hydrolysis calcium carbonate and produce alkaline matter, form chronic inflammation, it is also possible to induce myopia
Produce；For above-mentioned problem, it is necessary to design a kind of blackboard eraser to improve above-mentioned condition.
【Utility model content】
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of Novel blackboard eraser, can make to subtract
Light chalk dust is flown upward everywhere, effectively reduces influence of the chalk dust to teacher's body, compact is easy to use.
To achieve the above object, the utility model proposes a kind of Novel blackboard eraser, including brush board, device for inhaling powdery substances, collection powder
It is provided with frame and collection powder box, the brush board between some bristles, bristle and is provided with ash-inlet hole；Set inside the device for inhaling powdery substances
Cross-shaped stay, be provided with dividing plate on cross-shaped stay, cross-shaped stay lower end is provided with motor, the output shaft of motor and set
Blade is equipped with, brush board is arranged in the lower frame step of device for inhaling powdery substances lower end, and device for inhaling powdery substances upper end is provided with upper ledge step；The collection
The upper end of powder frame is provided with control module and battery, and collect powder frame lower end is provided with what is set on fixed frame ring, fixed frame ring
Baffle plate is placed with groove, gap is left between baffle plate and collection powder frame intracavity sidewall, is stayed between baffle plate and collection powder inframe chamber top surface
There is gap, exhaust vent is provided with the two side for collecting powder frame, the interior of collection powder frame one is additionally provided with boss, collects powder frame opposite side
Wall is provided with slip mouth, and slip mouth is relative with boss, and collection powder frame is arranged in lower frame step by fixed frame ring；The slip mouth
Inside it is provided with collection powder box, collection powder box bottom surface and is provided with collection powder hole, collection powder box upper end sets jagged, and collection powder box side is provided with
Handle, collection powder box both sides are slidably matched with baffle plate formation.
Preferably, the quantity of the motor is two, two motors are located at dividing plate both sides respectively.
Preferably, the quantity of the baffle plate is two pieces, two pieces of baffle plates are parallel to each other and are oppositely arranged.
Preferably, the breach upper surface is less than baffle plate upper surface, control module is provided with button switch and indicator lamp,
Control module is electrically connected with battery and motor respectively.
The beneficial effects of the utility model：The utility model will be by that will be provided with baffle plate, baffle plate and collection powder frame intracavity sidewall
Between leave gap, leave gap between baffle plate and collection powder inframe chamber top surface, can effectively prevent from entering the chalk dust of collection powder box
Directly from exhaust vent discharge, the secondary pollution of chalk dust is reduced；Collection powder box is provided with, collection powder box can be extracted out from collection powder inframe
Come, facilitate the discharge of chalk dust；The utility model is simple in construction, compact, conveniently moving, can be widely popularized and be answered
With.
Feature and advantage of the present utility model will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of dimensional structure diagram of Novel blackboard eraser of the utility model；
Fig. 2 is a kind of exploded perspective schematic diagram of Novel blackboard eraser of the utility model；
Fig. 3 is a kind of device for inhaling powdery substances dimensional structure diagram of Novel blackboard eraser of the utility model；
Fig. 4 is a kind of another dimensional structure diagram of the device for inhaling powdery substances of Novel blackboard eraser of the utility model；
Fig. 5 is a kind of collection powder frame dimensional structure diagram of Novel blackboard eraser of the utility model；
Fig. 6 is a kind of another dimensional structure diagram of collection powder frame of Novel blackboard eraser of the utility model；
Fig. 7 is a kind of collection powder frame of Novel blackboard eraser of the utility model and the diagrammatic cross-section of collection powder box cooperation；
Fig. 8 is a kind of circuit diagram of Novel blackboard eraser of the utility model.
In figure：1- brush boards, 11- bristles, 12- ash-inlet holes, 2- device for inhaling powdery substances, 21- cross-shapeds stay, 22- motors, 23- leaves
Piece, 24- upper ledges step, 25- dividing plates, 26- lower frames step, 3- collection powder frame, 31- fixed frames ring, 32- grooves, 33- baffle plates, 34- are convex
Platform, 35- slips mouth, 36- exhaust vents, 37- control modules, 38- batteries, 4- collection powder box, 41- collection powder hole, 42- handles, 43- lack
Mouthful.
【Embodiment】
Refering to Fig. 1-Fig. 8, a kind of Novel blackboard eraser of the utility model, including brush board 1, device for inhaling powdery substances 2, collection powder frame 3 and collection
It is provided with powder box 4, the brush board 1 between some bristles 11, bristle 11 and is provided with ash-inlet hole 12；Inside the device for inhaling powdery substances 2
Dividing plate 25 is provided with the cross-shaped stay 21 of setting, cross-shaped stay 21, the lower end of cross-shaped stay 21 is provided with motor 22, electricity
Blade 23 is provided with the output shaft of machine 22, brush board 1 is arranged in the lower frame step 26 of the lower end of device for inhaling powdery substances 2, on device for inhaling powdery substances 2
End is provided with upper ledge step 24；The upper end of the collection powder frame 3 is provided with control module 37 and battery 38, the lower end of collection powder frame 3
On be provided with the groove 32 set on fixed frame ring 31, fixed frame ring 31 and be placed with baffle plate 33, baffle plate 33 and the inner chamber of collection powder frame 3
Gap is left between the wall of side, leaves and is provided with gap, the two side of collection powder frame 3 between baffle plate 33 and the inner chamber top surface of collection powder frame 3
Exhaust vent 36, the interior of collection powder frame 3 one is additionally provided with boss 34, and the opposite side wall of collection powder frame 3 is provided with slip mouth 35, slides mouth
35 is relative with boss 34, and collection powder frame 3 is arranged in lower frame step 26 by fixed frame ring 31；Collection is provided with the slip mouth 35
Collection powder hole 41 is provided with powder box 4, collection powder box 4 bottom surface, collection powder box 4 upper end sets jagged 43, and collection powder box 4 side is provided with handle
Hand 42, the collection both sides of powder box 4 are slidably matched with the formation of baffle plate 33；The quantity of the motor 22 is two, and two motors 22 distinguish position
In the both sides of dividing plate 25；The quantity of the baffle plate 33 is two pieces, and two pieces of baffle plates 33 are parallel to each other and are oppositely arranged；On the breach 43
End face is less than the upper surface of baffle plate 33, and control module 37 is provided with button switch and indicator lamp, control module 37 respectively with battery
38 and motor 22 electrically connect.
Utility model works process：
A kind of novel blackboard eraser of the utility model in the course of the work, is installed all parts by diagram, when needing sassafras
When blackboard, the switch of motor 22 is opened, the rotation of the rotational band movable vane piece 23 of motor 22, bristle 11 is entering wiping to blackboard
During, air-flow by baffle plate 33 and collects the gap between the inner chamber top surface of powder frame 3 in the presence of blade 23, then passes through baffle plate 33
With the gap between the collection intracavity sidewall of powder frame 3, discharged finally by exhaust vent 36 so that blackboard eraser is internally formed vacuum,
So that chalk dust is entered inside blackboard eraser by ash-inlet hole 12, finally assemble by collecting powder hole 41 in collection powder box 4, do not wipe
When wiping blackboard, turn off motor 22, when assembling to a certain extent, user can will collect powder box 4 by handle 42 and be taken out from mouth 35 is slided
Go out, so as to realize the discharge of chalk dust.
The utility model leaves gap, baffle plate by that will be provided with baffle plate 33 between baffle plate 33 and the intracavity sidewall of collection powder frame 3
Gap is left between 33 and the inner chamber top surface of collection powder frame 3, can effectively prevent from entering the chalk dust of collection powder box 4 directly from exhaust vent 36
Discharge, reduces the secondary pollution of chalk dust；Collection powder box 4 is provided with, collection powder box 4 can release out of collection powder frame 3, facilitate chalk
The discharge of ash；The utility model is simple in construction, compact, conveniently moving, can be widely popularized and be applied.
It, to explanation of the present utility model, is limited of the present utility model that above-described embodiment, which is, any new to this practicality
Scheme after type simple transformation belongs to protection domain of the present utility model.
Claims (4)
1. a kind of Novel blackboard eraser, it is characterised in that：Including brush board (1), device for inhaling powdery substances (2), collection powder frame (3) and collection powder box (4),
It is provided with the brush board (1) between some bristles (11), bristle (11) and is provided with ash-inlet hole (12)；The device for inhaling powdery substances (2)
Dividing plate (25) is provided with the cross-shaped stay (21) that inside is set, cross-shaped stay (21), cross-shaped stay (21) lower end is set
It is equipped with motor (22), the output shaft of motor (22) and is provided with blade (23), brush board (1) is arranged on device for inhaling powdery substances (2) lower end
In lower frame step (26), device for inhaling powdery substances (2) upper end is provided with upper ledge step (24)；The upper end of the collection powder frame (3) is provided with control
Molding block (37) and battery (38), collection are provided with what is set on fixed frame ring (31), fixed frame ring (31) on powder frame (3) lower end
Baffle plate (33) is placed with groove (32), gap, baffle plate (33) and collection are left between baffle plate (33) and collection powder frame (3) intracavity sidewall
Left between the top surface of powder frame (3) inner chamber and be provided with exhaust vent (36) on gap, the two side of collection powder frame (3), collect powder frame (3) side
Pars intramuralis is additionally provided with boss (34), and collection powder frame (3) opposite side wall is provided with slip mouth (35), slides mouth (35) and boss (34)
Relatively, collection powder frame (3) is arranged in lower frame step (26) by fixed frame ring (31)；Collection powder is provided with the slip mouth (35)
Collection powder hole (41) is provided with box (4), collection powder box (4) bottom surface, collection powder box (4) upper end sets jagged (43), collects powder box (4) one
Side is provided with handle (42), and collection powder box (4) both sides are slidably matched with baffle plate (33) formation.
2. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that：The quantity of the motor (22) is two, two
Individual motor (22) is located at dividing plate (25) both sides respectively.
3. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that：The quantity of the baffle plate (33) is two pieces, two
Block baffle plate (33) is parallel to each other and is oppositely arranged.
4. a kind of Novel blackboard eraser as claimed in claim 1, it is characterised in that：Breach (43) upper surface is less than baffle plate
(33) upper surface, control module (37) is provided with button switch and indicator lamp, control module (37) respectively with battery (38) and
Motor (22) is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342915.1U CN206446333U (en) | 2016-12-08 | 2016-12-08 | A kind of Novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342915.1U CN206446333U (en) | 2016-12-08 | 2016-12-08 | A kind of Novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206446333U true CN206446333U (en) | 2017-08-29 |
Family
ID=59661421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342915.1U Expired - Fee Related CN206446333U (en) | 2016-12-08 | 2016-12-08 | A kind of Novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206446333U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941022A (en) * | 2019-03-27 | 2019-06-28 | 南京工程学院 | A kind of novel blackboard eraser |
-
2016
- 2016-12-08 CN CN201621342915.1U patent/CN206446333U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109941022A (en) * | 2019-03-27 | 2019-06-28 | 南京工程学院 | A kind of novel blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202463379U (en) | Dust-absorption blackboard eraser | |
| CN205468159U (en) | Electric dust -absorbing blackboard eraser | |
| CN208941978U (en) | A kind of bathroom mirror with defrosting function | |
| CN206446333U (en) | A kind of Novel blackboard eraser | |
| CN205836316U (en) | A kind of dust absorbing electric eraser | |
| CN205332403U (en) | Brilliant eyes mirror negative ion air -cleaner | |
| CN102727132A (en) | Keyboard dust collector | |
| CN205033815U (en) | Environment -friendly blackboard eraser | |
| CN105757810A (en) | Portable air purifier | |
| CN105380316A (en) | Mask capable of supplementing fresh air and removing hot moisture exhaled by human body | |
| CN204249671U (en) | A kind of novel formula automatically cleaning blackboard eraser of turning round | |
| CN203087656U (en) | Air filtering protective hat | |
| CN203995353U (en) | A kind of multifunctional blackboard eraser | |
| CN203427055U (en) | Electric hair clipper capable of sucking broken hair | |
| CN201824738U (en) | Dust suction-type electric blackboard eraser | |
| CN205553707U (en) | Dust collection type blackboard eraser | |
| CN206406660U (en) | Dust suction board | |
| CN205736548U (en) | Hand electric dust absorption blackboard eraser | |
| CN206729295U (en) | A kind of anti-haze sunbonnet | |
| CN202491613U (en) | Novel blackboard eraser | |
| CN108146119A (en) | A kind of blackboard eraser for teaching from sucking chalk powder | |
| CN215284151U (en) | Dustless blackboard eraser | |
| CN204472332U (en) | Dust removal blackboard eraser | |
| CN207613237U (en) | It is a kind of it is novel can automatic air-exchanging high-efficiency dustproof mask | |
| CN211910808U (en) | Nail beautifying dust removal device |
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: 20170829 Termination date: 20181208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |