CN206826265U - Roller type dust-free blackboard sassafras - Google Patents
Roller type dust-free blackboard sassafras Download PDFInfo
- Publication number
- CN206826265U CN206826265U CN201720285825.1U CN201720285825U CN206826265U CN 206826265 U CN206826265 U CN 206826265U CN 201720285825 U CN201720285825 U CN 201720285825U CN 206826265 U CN206826265 U CN 206826265U
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- CN
- China
- Prior art keywords
- rectangular enclosure
- dirt rod
- roller type
- type dust
- ash box
- 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
The utility model discloses a kind of roller type dust-free blackboard sassafras, including rectangular enclosure, electric fan, elasticity rolling pin, wiping dirt rod and scraper plate；The elasticity rolling pin is provided with four, and four angles above the rectangular enclosure one by one；The mounting groove being adapted with the wiping dirt rod is provided with above the rectangular enclosure, dirt rod is wiped and is provided with two, the wiping dirt rod is installed in the mounting groove by mounting seat, and the central shaft for wiping dirt rod is parallel with the long side of the rectangular enclosure；The inside of the rectangular enclosure is provided with the stored ash box for being used for storing chalk dust, and the stored ash box communicates with the mounting groove.The utility model reduces chalk dust and flown upward, and reduces environmental pollution, protects health；Reduce labour；Improve intelligent；Access times are improved, are economized on resources；Situation about looking for is reduced, saves the time.
Description
Technical field
It the utility model is related to blackboard eraser, and in particular to a kind of roller type dust-free blackboard sassafras.
Background technology
In daily study, blackboard and blackboard eraser are indispensable educational aids, and ordinary blackboard eraser is by substrate and hair
Felt fiber etc. is made, and ordinary blackboard eraser easily makes chalk dust exist with the movement of blackboard eraser in the letter written with chalk on erasing blackboard
Flown upward everywhere in air, both pollute environment, be detrimental to health again.
The felt gap of ordinary blackboard eraser can build up chalk dust, be erased the board when gathering to a certain extent, then with it,
When will leave one layer of tunica albuginea, and erase the board, chalk dust is disorderly.The special region for placing blackboard eraser is not provided with, is occurred often
Look round for the situation of blackboard eraser, particularly at school when, find blackboard eraser and delay quality time of academics and students.Pass
System blackboard eraser needs to use certain dynamics just to rub off chalk marks, relatively harder；Too traditional, degree of intelligence is not high.
Utility model content
For in the prior art the defects of, the utility model provides a kind of roller type dust-free blackboard sassafras, to reduce chalk dust
Fly upward, reduce environmental pollution, protect health；Reduce labour；Improve intelligent；Access times are improved, are economized on resources；Subtract
Situation about looking for less, save the time.
A kind of roller type dust-free blackboard sassafras, including rectangular enclosure, electric fan, elasticity rolling pin, wiping dirt rod and scraper plate；The bullet
Property rolling pin be provided with four, and four angles above the rectangular enclosure one by one；Above the rectangular enclosure be provided with
The mounting groove wiped dirt rod and be adapted, wipes dirt rod and is provided with two, the wiping dirt rod is installed on the installation by mounting seat
In groove, and the central shaft for wiping dirt rod is parallel with the long side of the rectangular enclosure；The inside of the rectangular enclosure, which is provided with, to be used to store up
Deposit the stored ash box of chalk dust, the stored ash box communicates with the mounting groove, the scraper plate located at two wiping dirt rod centres and
Extend in the mounting groove, and then the chalk dust on the wiping dirt rod of rotation is dropped in the presence of scraper plate and along mounting groove
It is slipped in stored ash box；The rectangular enclosure left end, which is provided with, is used to make the electric fan that negative pressure is produced in stored ash box, the electric fan
Outlet side communicated with ambient atmosphere, the screen pack for being used for preventing that chalk dust from entering in electric fan is provided with the stored ash box.
Preferably, the scraper plate is wiped dirt rod with two in the mounting groove and contacted.Chalk dust is set to drop in mounting groove,
Outside environment is arrived in not side leakage.
Preferably, the electric fan is provided with two, and horizontal Tile.Sufficient suction is provided, is advantageous to chalk dust
Suck in stored ash box.
Preferably, the outer surface for wiping dirt rod is covered with felt；The felt is replaceable.Old felt is changed, is improved
Grey efficiency is wiped, without changing whole blackboard eraser, is economized on resources.
Preferably, two left ends for wiping dirt rod are provided with the gear of a pair of meshing, are connected with below the gear for driving
The motor of the gear.It is electronic to rub off chalk marks, it is laborsaving, it is convenient.
Preferably, magnet and battery are additionally provided with the rectangular enclosure, the upper surface of rectangular enclosure is provided with proximity switch；
The magnet is located at the bottom of rectangular enclosure, the battery and the motor homonymy.Make internal structure compact, expand as far as possible
Big stored ash box.
Preferably, the battery, proximity switch and motor in series and closed-loop path is formed, the electric fan and the electricity
Motivation parallel connection and energization synchronous with motor realization or power-off.Make wiping ash and inhale ash while carry out, be not easy chalk dust side leakage
To outside environment
Preferably, the magnet is strong magnets.It is adsorbable on the blackboard with iron plate, convenient use, without everywhere
Find, save the time.
Preferably, the elasticity rolling pin includes upper pillar stand, lower pillar stand, spring and ball, and lower pillar stand is hollow column, described
Ball is embedded in the upper end of the upper pillar stand and protruded by the upper surface of upper pillar stand, and the spring is stood in lower pillar stand and with upper
The lower end of post is connected, and the upper pillar stand is slidably mounted on the compressible shortening of formation in lower pillar stand and can be under the elastic force effect of spring
The structure of reset.Elasticity rolling pin contacts with blackboard, wipes dirt and is more convenient.
Preferably, transverse direction of the stored ash box along rectangular enclosure is slidably matched with rectangular enclosure, makes stored ash box can be from rectangle
The leading flank of shell pulls out.When the chalk dust in stored ash box is full, stored ash box can be pulled out, chalk dust is focused on, does not make powder
Pen ash is arbitrarily flown upward, and environmental protection, reduces the infringement to human body.
The beneficial effects of the utility model are embodied in：
The utility model includes rectangular enclosure, electric fan, elasticity rolling pin, wiping dirt rod and scraper plate, and the elasticity rolling pin is provided with
Four, and four angles above the rectangular enclosure one by one.Pin is rolled using four elasticity to be in rolling contact with blackboard, is used
Shi Feichang is laborsaving, convenient.The outer surface for wiping dirt rod is installed on the wiping dirt rod described covered with felt by mounting seat
In mounting groove, and the central shaft for wiping dirt rod is parallel with the long side of the rectangular enclosure.The felt is replaceable, passes through mounting seat
Dirt rod is wiped in dismounting, and changes felt, without frequently changing whole blackboard eraser, reaches the purpose to economize on resources.Outside the rectangle
The inside of shell is provided with the stored ash box for being used for storing chalk dust, and the stored ash box communicates with the mounting groove, and the scraper plate is located at two
Root is wiped the centre of dirt rod and extended in the mounting groove, and then the chalk dust on the wiping dirt rod of rotation is dropped and along peace
Tankage is stored into the stored ash box.Make chalk ash collection in stored ash box, reduce chalk dust and fly upward, reduce environmental pollution, protect
Protect health.The upper surface of rectangular enclosure is provided with proximity switch, when spring rolling pin is pressed down and is provided with proximity switch
When rectangular enclosure and the distance of blackboard simultaneously is less than or equal to one centimetre, circuit turn-on, electric fan and electric motor operation；Without using
When, under the restoring force effect of the spring during spring rolls pin, spring rolling pin elongation, the rectangular enclosure of the one side provided with proximity switch
Distance with blackboard electric fan and electric motor circuit breaking, is stopped more than one centimetre；Intellectuality is improved, it is easy to use.It is described
Strong magnets are additionally provided with rectangular enclosure, the magnet is located at the bottom of rectangular enclosure, the back side of rectangular enclosure is adsorbed in band
Have on the blackboard of iron plate, without looking about, convenient use, save the time.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, it is similar
Element or part are typically identified by similar reference.In accompanying drawing, each element or part might not be according to the ratios of reality
Draw.
Fig. 1 is structural representation of the present utility model.
In accompanying drawing, 1- rectangular enclosures, 2- electric fans, 3- wiping dirt rods, 4- scraper plates, 5- upper pillar stands, 6- lower pillar stands, 7- balls,
8- mounting seats, 9- gears, 10- stored ash box, 11- magnet, 12- proximity switches
Embodiment
The embodiment of technical solutions of the utility model is described in detail below in conjunction with accompanying drawing.Following examples are only
For clearly illustrating the technical solution of the utility model, therefore example is only used as, and this practicality can not be limited with this
New protection domain.
It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application should be this reality
The ordinary meaning understood with new one of ordinary skill in the art.
As shown in figure 1, in the present embodiment, A directions are upside, and B directions are front side.Roller type dust-free blackboard sassafras includes rectangle
Shell 1, electric fan 2, elasticity rolling pin, wiping dirt rod 3 and scraper plate 4, elasticity rolling pin include upper pillar stand 5, lower pillar stand 6, spring and ball
7, lower pillar stand 6 is hollow column, and ball 7 is embedded in the upper end of upper pillar stand 5 and protruded by the upper surface of upper pillar stand 5, and spring is located at
It is connected in lower pillar stand 6 and with the lower end of upper pillar stand 5, upper pillar stand 5, which is slidably mounted in lower pillar stand 6, forms compressible shortening and can be
The lower structure resetted of elastic force effect of spring.Elasticity rolling pin contacts with blackboard, makes wiping dirt dynamics small, is more convenient to use.Elasticity rolling
Pin is provided with four, and four angles above rectangular enclosure 1 one by one, supports whole rectangular housing 1 to be slided on blackboard.Wipe
The outer surface of dirt rod 3 is covered with felt；Felt is replaceable, changes old felt, improves and wipes grey efficiency, without changing whole blackboard
Sassafras, economize on resources.Two mounting grooves being adapted with wiping dirt rod 3 are provided with above rectangular enclosure 1, dirt rod 3 is wiped and is provided with two, lead to
Crossing mounting seat 8 makes wiping dirt rod 3 be installed in mounting groove, and the central shaft for wiping dirt rod 3 is parallel with the long side of rectangular enclosure 1.Two
The individual left end for wiping dirt rod 3 is provided with the gear 9 of a pair of meshing, and the lower section of gear 9 is connected with the motor for drive gear.Rectangle
The inside of shell 1, which is provided with, to be used to store the stored ash box 10 of chalk dust, and stored ash box 10 communicates with mounting groove, and stored ash box 10 is along outside rectangle
The transverse direction of shell 1 is slidably matched with rectangular enclosure 1, and stored ash box 10 can pull out from the leading flank of rectangular enclosure 1；When in stored ash box 10
Chalk dust is full, can pull out stored ash box 10, focus on chalk dust, chalk dust is arbitrarily flown upward, environmental protection, reduction pair
The infringement of human body.Scraper plate 4 is located at two centres for wiping dirt rod 3 and extends in mounting groove, and then makes on the wiping dirt rod 3 of rotation
Chalk dust drop in the presence of scraper plate and be slipped to along mounting groove in stored ash box 10.Motor is driven by gear 9 and wiped
Dirt rod 3 rotates, and while wiping dirt rod 3 wipes the writing on blackboard, by chalk dust absorption on felt, scraper plate 4 is in mounting groove
It is interior to be contacted with two wiping dirt rods 3, chalk dust is dropped in mounting groove, outside environment is arrived in not side leakage, laborsaving, convenient.Stored ash box
The 10 interior electric fans 2 being provided with positioned at the left side of rectangular enclosure 1, electric fan 2 are provided with two, and horizontal Tile, electric fan 2 and the external world
Air communicates, and discharging air by electric fan 2 makes to produce negative pressure in stored ash box 10, is provided with stored ash box 10 and is used to prevent chalk dust
Screen pack into electric fan 2.Two electric fans provide sufficient suction, are advantageous to suck chalk dust in stored ash box 10.
Magnet 11 and battery are additionally provided with rectangular enclosure 1, magnet 11 is strong magnets, and magnet 11 is located at the bottom of rectangular enclosure 1, makes square
Shape shell 1 and the blackboard absorption with iron plate are tighter；Battery is rechargeable lithium battary, and phase is provided with the trailing flank of rectangular enclosure 1
The charging inlet answered.The upper surface of rectangular enclosure 1 is provided with proximity switch 12, proximity switch 12 be it is a kind of without and moving component
Carry out it is mechanically direct contact and manipulable position switch, when object proximity switch sensitive surface to operating distance when, be not required to
Mechanical Contact and any pressure of application is wanted to make switch motion, so as to drive electrical equipment, proximity switch 12 is also known as contactless close
Switch.Battery and motor homonymy, the right side portion inside rectangular enclosure 1, battery, motor and electric fan 2 are located at
Same one side inside rectangular enclosure 1, makes internal structure compact, expands stored ash box 10 as far as possible, it is disposably accommodated more
Chalk dust.Battery, proximity switch 12 and motor in series simultaneously form closed-loop path, electric fan 2 it is in parallel with motor and with electricity
Motivation realizes synchronous energization or power-off.
The rated operational voltage of battery, electric fan 2, motor and proximity switch 12 in the present embodiment is 24V.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type, it all should cover among claim of the present utility model and the scope of specification.
Claims (10)
- A kind of 1. roller type dust-free blackboard sassafras, it is characterised in that：Including rectangular enclosure, electric fan, elasticity rolling pin, wiping dirt rod and scrape Plate；The elasticity rolling pin is provided with four, and four angles above the rectangular enclosure one by one；The rectangular enclosure it is upper Face is provided with the mounting groove being adapted with the wiping dirt rod, wipes dirt rod and is provided with two, is installed on the wiping dirt rod by mounting seat In the mounting groove, and the central shaft for wiping dirt rod is parallel with the long side of the rectangular enclosure；The inside of the rectangular enclosure is set There is the stored ash box for storing chalk dust, the stored ash box communicates with the mounting groove, and the scraper plate wipes dirt rod located at two It is middle and extend in the mounting groove, and then the chalk dust on the wipings dirt rod of rotation is dropped in the presence of scraper plate simultaneously edge Mounting groove to be slipped in stored ash box；The rectangular enclosure left end, which is provided with, is used to make the electric fan that negative pressure is produced in stored ash box, institute The outlet side for stating electric fan is communicated with ambient atmosphere, and the mistake for being used for preventing that chalk dust from entering in electric fan is provided with the stored ash box Filter screen.
- 2. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：The scraper plate in the mounting groove with Two are wiped the contact of dirt rod.
- 3. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：The electric fan be provided with two, and Horizontal Tile.
- 4. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：It is described wipe dirt rod outer surface covered with Felt；The felt is replaceable.
- 5. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：The left end of two wiping dirt rods is nibbled provided with a pair The gear of conjunction, the motor for driving the gear is connected with below the gear.
- 6. roller type dust-free blackboard sassafras according to claim 5, it is characterised in that：Magnet is additionally provided with the rectangular enclosure And battery, the upper surface of rectangular enclosure are provided with proximity switch；The magnet is located at the bottom of rectangular enclosure, the battery and institute State motor homonymy.
- 7. roller type dust-free blackboard sassafras according to claim 6, it is characterised in that：The battery, proximity switch and electronic Machine is connected and forms closed-loop path, and the electric fan and the motor are in parallel and synchronous with motor realizations is powered or breaks Electricity.
- 8. roller type dust-free blackboard sassafras according to claim 6, it is characterised in that：The magnet is strong magnets.
- 9. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：It is described elasticity rolling pin include upper pillar stand, Lower pillar stand, spring and ball, lower pillar stand are hollow column, and the ball is embedded in the upper end of the upper pillar stand and by upper pillar stand Upper surface is protruded, and the spring is connected in lower pillar stand and with the lower end of upper pillar stand, and the upper pillar stand is slidably mounted on lower vertical Compressible shortening and the structure that can be resetted under the elastic force effect of spring are formed in post.
- 10. roller type dust-free blackboard sassafras according to claim 1, it is characterised in that：The stored ash box is along rectangular enclosure Laterally it is slidably matched with rectangular enclosure, stored ash box is pulled out from the leading flank of rectangular enclosure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285825.1U CN206826265U (en) | 2017-03-22 | 2017-03-22 | Roller type dust-free blackboard sassafras |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720285825.1U CN206826265U (en) | 2017-03-22 | 2017-03-22 | Roller type dust-free blackboard sassafras |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206826265U true CN206826265U (en) | 2018-01-02 |
Family
ID=60767159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720285825.1U Expired - Fee Related CN206826265U (en) | 2017-03-22 | 2017-03-22 | Roller type dust-free blackboard sassafras |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206826265U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123979A (en) * | 2020-09-28 | 2020-12-25 | 杭州师范大学钱江学院 | Air bag type dust removal blackboard eraser and using method thereof |
| CN112223941A (en) * | 2020-10-15 | 2021-01-15 | 杭州师范大学钱江学院 | Dust cleaning and absorbing type blackboard eraser and using method thereof |
-
2017
- 2017-03-22 CN CN201720285825.1U patent/CN206826265U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112123979A (en) * | 2020-09-28 | 2020-12-25 | 杭州师范大学钱江学院 | Air bag type dust removal blackboard eraser and using method thereof |
| CN112123979B (en) * | 2020-09-28 | 2021-10-22 | 杭州师范大学钱江学院 | Air bag type dust removal blackboard eraser and using method thereof |
| CN112223941A (en) * | 2020-10-15 | 2021-01-15 | 杭州师范大学钱江学院 | Dust cleaning and absorbing type blackboard eraser and using method thereof |
| CN112223941B (en) * | 2020-10-15 | 2021-12-07 | 杭州师范大学钱江学院 | Dust cleaning and absorbing type blackboard eraser and using method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20190322 |