CN205736548U - Hand electric dust absorption blackboard eraser - Google Patents
Hand electric dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN205736548U CN205736548U CN201620234032.2U CN201620234032U CN205736548U CN 205736548 U CN205736548 U CN 205736548U CN 201620234032 U CN201620234032 U CN 201620234032U CN 205736548 U CN205736548 U CN 205736548U
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- CN
- China
- Prior art keywords
- dust absorption
- miniature
- blackboard eraser
- box body
- hand electric
- 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.)
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Abstract
A kind of hand electric dust absorption blackboard eraser, it is characterised in that: this blackboard eraser includes hairbrush, miniature cocurrent electromotor, battery case, miniature dust absorption motor, box body and on and off switch；This utility model can arbitrarily control the side-to-side movement of blackboard eraser, do not exist wipe less than dead angle, convenient and reliable, time saving and energy saving, greatly reduce the time erased the board, improve efficiency of attending class.
Description
Technical field
This utility model belongs to classroom apparatus technical field, relates to a kind of electric dust-absorbing blackboard eraser device, is specially
A kind of hand electric dust absorption blackboard eraser.
Background technology
Blackboard is the critically important role always played the part of in our daily study.Since centuries, school imparting knowledge and educating people,
During conveying knowledge, mainly using blackboard, chalk as educational aid.Traditional blackboard eraser the most but also exists
Some shortcomings, such as erase the board the most very sweat, but also can produce substantial amounts of dust, seriously compromises the body of teacher and classmate
The heart is healthy, promotes the prevalence of various respiratory tract disease to increase.And be scattering into dust on the ground and be not easy to cleaning, pollute classroom
Health.
Prior art provides a kind of electric dust absorption blackboard eraser for this situation, by installation frame on wall, peace
Fill the blackboard eraser wide with blackboard, utilize driven by motor Timing Belt to rotate, realize the erasing work to blackboard.But also create
More significantly shortcoming, volume is big, and cost is high, maintenance difficult and the erasing work that can not realize the little scope in local.
Summary of the invention
Goal of the invention: this utility model provides a kind of hand electric dust absorption blackboard eraser, its objective is to solve conventional institute
The problem existed.
Technical scheme: this utility model is achieved through the following technical solutions:
A kind of hand electric dust absorption blackboard eraser, it is characterised in that: this blackboard eraser include hairbrush, miniature cocurrent electromotor,
Battery case, miniature dust absorption motor, box body and on and off switch；Miniature cocurrent electromotor, battery case and miniature dust absorption motor are arranged on
In box body, hairbrush is arranged on box portion outside, and hairbrush is connected with miniature cocurrent electromotor and can be in the driving of miniature cocurrent electromotor
Lower rotation, the air inlet of miniature dust absorption motor is arranged in box body, and box body is provided with the mouth for dust inspiration, miniature dust absorption electricity
The air outlet of machine stretches out outside box body；Miniature cocurrent electromotor and miniature dust absorption motor are connected with battery case, battery case be arranged on
On and off switch outside box body connects.
Air inlet is provided with filter screen, and the bottom of filter screen is provided with powder disposable box.
Filter screen is arc filter screen.
Filter screen is along the most outward-dipping arc filter screen of air inlet.
Mouth for dust inspiration is the little mesh of processing on box body.
Being provided with driven swing pinion in the rotary shaft of hairbrush, this driven swing pinion is defeated with miniature cocurrent electromotor main shaft
Go out the active rotation gear engagement of end.
The diameter of active rotation gear is less than driven swing pinion.
Each miniature cocurrent electromotor drives two hairbrush.
Miniature dust absorption motor is arranged on the rear end of tray interior, and miniature cocurrent electromotor is arranged on air inlet front.
The door that powder disposable box can be taken out it is provided with on the box body corresponding with powder disposable box position.
Advantage and effect: the invention provides a kind of hand electric dust absorption blackboard eraser, this utility model include hairbrush,
Gear train, miniature cocurrent electromotor, battery case, handle, powder box, air inlet, filter screen, on and off switch, miniature dust absorption motor and
The ingredients such as air outlet.By the on and off switch on lower handle, so that it may directly control DC micromotor and micro-cleaner electricity
Machine rotates, and belongs to power setting part.Miniature cocurrent electromotor can arrange multiple, and as a example by four, after power on, 4 micro-
8 bull gear drive of 4 little gear drivens on type direct current generator main shaft, it is achieved the rotary motion of 8 hairbrush of gear wheel end.
Meanwhile, miniature dust absorption motor starts dust suction work.After electric blackboard eraser contacts with blackboard, 8 hairbrush start to remove on blackboard
Chalk writing, and by dirt absorption in the inside of electric blackboard eraser housing.Filter screen filters sucking the chalk dust at housing
In powder box.Air after filtration is discharged by exhaust outlet.
The beneficial effects of the utility model are:
This utility model can arbitrarily control the side-to-side movement of blackboard eraser, do not exist wipe less than dead angle, convenient and reliable, save time
Laborsaving, greatly reduce the time erased the board, improve efficiency of attending class；And it is mounted with dust exhaust apparatus, effectively reduce air
In dust, protect the healthy of classmate and teacher；Owing to 8 hairbrush rotate simultaneously, can guarantee that and wipe literary composition the most neatly
Word, the present invention is easy to use, simple in construction, low cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is vertical view cutaway drawing of the present utility model.
In figure: 1, hairbrush, 2, gear train, 3, miniature cocurrent electromotor, 4, filter screen, 5, air inlet, 6, battery case, 7, hands
Handle, 8, air outlet, 9, miniature dust absorption motor, 10, powder disposable box, 11, box body, 12, on and off switch, 13, active rotation gear.
Detailed description of the invention
Make this utility model below in conjunction with the accompanying drawings further to illustrate:
As it is shown in figure 1, this utility model provides a kind of hand electric dust absorption blackboard eraser, this blackboard eraser includes hairbrush 1, micro-
Type dc motor 3, battery case 6, miniature dust absorption motor 9, box body 11 and on and off switch 12；Miniature cocurrent electromotor 3, battery case
6 and miniature dust absorption motor 9 be arranged in box body 11, it is outside that hairbrush 1 is arranged on box body 11, and hairbrush 1 is with miniature cocurrent electromotor 3 even
Connecing and can rotate under the driving of miniature cocurrent electromotor 3, the air inlet 5 of miniature dust absorption motor 9 is arranged in box body 11, box body
Being provided with the mouth for dust inspiration on 11, the air outlet 8 of miniature dust absorption motor 9 stretches out outside box body 11；Miniature cocurrent electromotor 3 He
Miniature dust absorption motor 9 is connected with battery case 6, and battery case 6 is connected with the on and off switch 12 being arranged on outside box body 11.
Being provided with filter screen 4 at air inlet 5, the bottom of filter screen 4 is provided with powder disposable box 10.Centralized collection chalk dust
Filter screen 4 is arc filter screen.
Filter screen 4 is along the most outward-dipping arc filter screen of air inlet 5.
Filter screen 4 faces filter screen directly for the most outward-dipping along air inlet 5.
Mouth for dust inspiration is the little mesh of processing on box body 11.
Being provided with driven swing pinion 2 in the rotary shaft of hairbrush 1, this driven swing pinion 2 is main with miniature cocurrent electromotor 3
The active rotation gear 13 of axle outfan engages.The diameter of active rotation gear 13 is less than driven swing pinion 2.
Each miniature cocurrent electromotor 3 drives two hairbrush 1.
Miniature dust absorption motor is arranged on the rear end of tray interior, and miniature cocurrent electromotor 3 is arranged on air inlet 5 front.
The door that powder disposable box 10 can be taken out it is provided with on the box body 11 corresponding with powder disposable box 10 position.
As it is shown in figure 1, described battery case (6) is contained in box body (11) top；Described on and off switch (12) is positioned at handle (7)
The front end of upside.
DC micromotor of the present utility model can arrange multiple, particular number can sets itself as required, this
In as a example by four, four DC micromotor are mounted side by side on tray interior front end, on its spindle nose install gear train, described
Gear train is 12 gear compositions, including 4 little gears i.e. active rotation gear 13 and 8 the most driven rotary teeths of gear wheel
Take turns 2,4 little gears to be connected with the main shaft of described DC micromotor, it is achieved rotate, realize slowing down by 8 gear wheels,
Each gear wheel realizes the driving to two hairbrush by rotary shaft and rotates, and completes to wipe work, and same driven by motor
Two hairbrush reversely rotate.
Hairbrush is generally circular in shape, and material is fur, and when quantity is 8, effect is preferable.On and off switch is installed on handle, it
Switch while being responsible for four DC micromotor and miniature dust absorption motor.Process little mesh on the box body of blackboard eraser, be conducive to
The suction of dust in air.
The outside of the powder disposable box of blackboard eraser is provided with wicket, and hand electric vacuum cleaner works after a period of time, it is simple to
Pour out the rubbish in powder disposable box.
When this utility model uses, when pressing on and off switch, DC micromotor 3 is by active rotation gear 13 and driven
The gear train speed governing of swing pinion 2 composition, band electric brush rotates, starts to wipe work.Meanwhile, miniature dust absorption motor 9 starts rotation
Rotate into into duty, form low-pressure area in blackboard eraser enclosure interior.Under the effect of miniature dust absorption motor 9, it is full of chalk dust
The contaminated air of dirt, by the mesh on housing, is drawn into blackboard eraser box body 11 internal.Air with dust passes through air intake
Mouth 5 enters dust exhaust apparatuses, but due to the filtration of filter screen 4, dust is blocked in dust collecting box 10.Clean air
It is discharged by air outlet 8.
This utility model is the deficiency wiped for traditional blackboard and designs, be a kind of simple in construction, easy to use, efficiently remove
Dirt, and have the electric blackboard eraser of dust-absorbing function, can protect that teachers and students are healthy, avoid environmental pollution effectively.
Claims (10)
1. a hand electric dust absorption blackboard eraser, it is characterised in that: this blackboard eraser includes hairbrush (1), miniature cocurrent electromotor
(3), battery case (6), miniature dust absorption motor (9), box body (11) and on and off switch (12)；Miniature cocurrent electromotor (3), battery case
(6) being arranged in box body (11) with miniature dust absorption motor (9), it is outside that hairbrush (1) is arranged on box body (11), and hairbrush (1) is with miniature
Dc motor (3) connects and can rotate under the driving of miniature cocurrent electromotor (3), the air inlet of miniature dust absorption motor (9)
(5) it is arranged in box body (11), box body (11) is provided with the mouth for dust inspiration, the air outlet (8) of miniature dust absorption motor (9)
Stretch out box body (11) outward；Miniature cocurrent electromotor (3) and miniature dust absorption motor (9) are connected with battery case (6), battery case (6) with
It is arranged on box body (11) on and off switch (12) outward to connect.
Hand electric dust absorption blackboard eraser the most according to claim 1, it is characterised in that: it is provided with at air inlet (5) place
Filter screen (4), the bottom of filter screen (4) is provided with powder disposable box (10).
Hand electric dust absorption blackboard eraser the most according to claim 2, it is characterised in that: filter screen (4) is arc filter screen.
Hand electric dust absorption blackboard eraser the most according to claim 3, it is characterised in that: filter screen (4) is along air inlet (5)
The most outward-dipping arc filter screen.
Hand electric dust absorption blackboard eraser the most according to claim 1, it is characterised in that: the mouth for dust inspiration is at box
The little mesh of the upper processing of body (11).
Hand electric dust absorption blackboard eraser the most according to claim 1, it is characterised in that: set in the rotary shaft of hairbrush (1)
It is equipped with driven swing pinion (2), this driven swing pinion (2) and the active rotation of miniature cocurrent electromotor (3) main shaft outfan
Gear (13) engages.
Hand electric dust absorption blackboard eraser the most according to claim 6, it is characterised in that: active rotation gear (13) straight
Footpath is less than driven swing pinion (2).
Hand electric dust absorption blackboard eraser the most according to claim 6, it is characterised in that: each miniature cocurrent electromotor
(3) two hairbrush (1) are driven.
Hand electric dust absorption blackboard eraser the most according to claim 8, it is characterised in that: miniature dust absorption motor is arranged on box
The rear end in internal portion, miniature cocurrent electromotor (3) is arranged on air inlet (5) front.
Hand electric dust absorption blackboard eraser the most according to claim 2, it is characterised in that: with powder disposable box (10) position
Put and be provided with, on the box body (11) of correspondence, the door that powder disposable box (10) can be taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620234032.2U CN205736548U (en) | 2016-03-24 | 2016-03-24 | Hand electric dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620234032.2U CN205736548U (en) | 2016-03-24 | 2016-03-24 | Hand electric dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205736548U true CN205736548U (en) | 2016-11-30 |
Family
ID=57374466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620234032.2U Expired - Fee Related CN205736548U (en) | 2016-03-24 | 2016-03-24 | Hand electric dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205736548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130634A (en) * | 2018-09-10 | 2019-01-04 | 天津大学 | A kind of anion electric dust-free black board eraser |
-
2016
- 2016-03-24 CN CN201620234032.2U patent/CN205736548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130634A (en) * | 2018-09-10 | 2019-01-04 | 天津大学 | A kind of anion electric dust-free black board eraser |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20170324 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |