CN207433098U - A kind of multifunctional blackboard eraser - Google Patents
A kind of multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN207433098U CN207433098U CN201720798763.4U CN201720798763U CN207433098U CN 207433098 U CN207433098 U CN 207433098U CN 201720798763 U CN201720798763 U CN 201720798763U CN 207433098 U CN207433098 U CN 207433098U
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- CN
- China
- Prior art keywords
- rub body
- chalk
- sets
- blackboard eraser
- top surface
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- Expired - Fee Related
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a kind of multifunctional blackboard eraser, including felt or bristle that rub body, rub body bottom surface are set, its main feature is that：Rub body one end sets Telescopic pointer, and chalk socket is set on Telescopic pointer end, and chalk socket is grafting with the Telescopic pointer, sets chalk jack on chalk socket, elastic wall is set in chalk jack, for clamping chalk.Rotatable shaft, shaft connecting sucker are set on the top surface of the rub body.Laser lamp and LED illumination lamp on the rub body other end are set, laser lamp and the battery of LED illumination lamp power supply are arranged in rub body, tessellation level steeps on the top surface of rub body.Above-mentioned battery is lithium battery, lithium battery connection power supply USB interface and itself charging USB interface.Increase a variety of teaching aid functions such as compasses, meet needs of teacher's upper class hour to a variety of teaching aids, and using easy to carry.
Description
Technical field
The utility model belongs to teaching aid technical field, is related to the improvement of blackboard eraser, specifically a kind of multi-functional black
Blackboard eraser.
Background technology
At present, in classroom instruction, teacher is substantially write on blackboard with chalk and taught for most of middle and primary schools in China
Content, blackboard eraser is for the letter written with chalk on erasing blackboard, therefore, the indispensable instrument of blackboard eraser classroom instruction.It is blacked with blackboard eraser
During plate, chalk dust is flown upward everywhere, polluted the indoor environment of religion, affects the health of Faculty and Students, therefore, various dust suctions
Formula blackboard eraser comes into being, and such patented technology also releases simultaneously gradual perfection continuous, solves chalk dust pollution ring substantially
The problem of health of people, is endangered in border.
Traditional blackboard eraser includes box body and felt（Or bristle）, hair, which is rinsed, by holding box body is contacted with blackboard, it will
The writing erasing write, so as to fulfill wiping function.Existing blackboard eraser is simple blackboard wiping, and function is single, no
Modern teaching requirements of one's work can be met.Teacher generally requires a variety of teaching such as teacher's pointer, ruler, compasses, calculator upper class hour and uses
Tool, being placed on dais can make table top in disorder, and teacher can also leave behind some teaching aids sometimes, this teaches to teacher and brings not
Just, teaching efficiency is directly affected.
A kind of multifunctional blackboard eraser how is designed, on the basis of blackboard eraser wiping function is ensured, increases more teaching aids
Function meets teacher and goes up needs of the class hour to a variety of teaching aids, and use is easy to carry, this is that technology urgently to be resolved hurrily at present is asked
Topic.
The content of the invention
The utility model provides a kind of multifunctional blackboard eraser, increases compasses to solve the above problem existing in the prior art
Etc. a variety of teaching aid functions, meeting teacher goes up needs of the class hour to a variety of teaching aids, and use is easy to carry, this is urgently to be resolved hurrily at present
The technical issues of.
The purpose of this utility model is achieved through the following technical solutions：A kind of multifunctional blackboard eraser including rub body, is wiped
The felt or bristle that body bottom surface is set, which is characterized in that described rub body one end sets Telescopic pointer, the Telescopic pointer end
Chalk socket is set on end, and the chalk socket is grafting with the Telescopic pointer, on the chalk socket chalk is set to insert
Hole sets elastic wall in chalk jack, and shaft, the shaft connecting sucker, the rub body are set on the top surface of the rub body
The other end on laser lamp and LED illumination lamp are set, laser lamp and the battery of LED illumination lamp power supply are arranged in the rub body,
Tessellation level steeps on the top surface of the rub body.
Improvement to above-mentioned technical proposal：The battery is lithium battery, and the lithium battery connects power supply USB interface and itself
Charging USB interface；The elastic wall is the rubber cylinder being arranged in the chalk jack, and the rubber cylinder lateral wall is close to
It is adhesively fixed on the madial wall of the chalk jack, and by rubber cylinder in chalk jack；It is set on the top surface of the rub body
Rolling bearing is put, one end of the shaft is inserted into the rolling bearing, and the shaft is made to be formed with rub body and is rotatablely connected, described
The other end of shaft is fixedly connected with the sucker.
Above-mentioned technical proposal is further improved：USB flash disk is set in the rub body, and the USB plug of the USB flash disk is arranged on institute
State rub body one end.
Above-mentioned technical proposal is further improved：Mp 3 player is set in the rub body, and the Mp 3 player is by institute
State battery powered.
Above-mentioned technical proposal is further improved：Liquid crystal display electronic watch, the liquid are set on the top surface of the rub body
Crystalline substance shows electronic watch by the battery powered.
Above-mentioned technical proposal is further improved：The top surface of the rub body sets electronic calculator, and the electronics calculates
It sets and renovates on device, the inside of renovating sets plane mirror.
Above-mentioned technical proposal is further improved：Magnet is set in the rub body, and the top surface of the rub body sets electronics
Temperature ＆ relative humidity indicator, the electron temperature hygrometer is by the battery powered.
The advantages of the utility model and good effect are：
The 1st, chalk socket on the Telescopic pointer end of the utility model is set, chalk jack is set on chalk socket,
Elastic wall is set in chalk jack, and elastic wall is the rubber cylinder being arranged in chalk jack, and rubber cylinder lateral wall is close to
On the madial wall of chalk jack, and rubber cylinder is adhesively fixed in chalk jack.In the chalk jack interpolation of chalk socket
Upper section chalk, elastic wall, which can clamp chalk, in chalk jack makes its not easily to fall off.Chalk on rub body top surface by that can turn
Sucker cooperation in dynamic shaft, it is possible to realize the function of compasses, and drawn diameter of a circle can be by adjusting telescopic religion
The extension elongation of whip makes choice.Blackboard eraser when not used, can also be used sucker and blackboard eraser is fixed on blackboard, not easy to lose,
It is easy to use.Above-mentioned chalk socket is grafting with Telescopic pointer, and chalk socket can be removed to be used separately as chalk sleeve, can
Will be used in the chalk jack of shorter chalk end insertion chalk socket, chalk waste is reduced.May be used also on the top surface of rub body 4
11 are steeped with tessellation level, can be used for the level for adjusting instruments used for education.
2nd, the utility model sets laser lamp and LED illumination lamp on rub body one end, be arranged in rub body laser lamp and
The battery of LED illumination lamp power supply.In this way, achieve that the function and illumination functions of laser pen.It can be imparted knowledge to students with laser pen, also may be used
During in having a power failure in classroom, LED illumination lamp is utilized to provide temporary lighting.
3rd, the utility model sets USB flash disk and Mp 3 player in rub body, can store the various information of teaching, also may be used
To play the content of courses or music etc..
4th, the utility model sets liquid crystal display electronic watch on the top surface of rub body, and lecture time is grasped convenient for teacher.
5th, lithium battery may be employed in the battery of the utility model, and lithium battery connection power supply USB interface and itself charging USB connect
Mouthful.It can charge in this way, lithium battery is built in rub body, furthermore it is also possible to be produced by USB interface of powering for electronics such as mobile phones
Product are powered.
6th, the utility model sets electronic calculator in the top surface of rub body, sets and renovates on electronic calculator, in renovating
Side sets plane mirror.Teacher is facilitated to say that class hour is calculated using calculator, teacher can also be seen whether certainly using plane mirror
Oneself dresses or whether face is stained with chalk powder, and teacher can be allowed to keep good appearance.
7th, the utility model sets magnet in rub body, easy to use convenient for blackboard eraser is fixed on blackboard, is not easy to lose
It loses.
8th, the utility model sets electronics Hygrothermograph in the top surface of rub body, convenient for grasping the indoor humiture of religion in time,
Corresponding heating or cooling measure are taken, ensures that teachers and students attend class in comfortable environment.
9th, a variety of teaching aid collection such as teacher's pointer, ruler, compasses, calculator are integrated by the utility model, meet teacher
Upper class hour to the needs of a variety of teaching aids, also adds many commonly-used function, being placed on dais will not make table top in disorder, and use
It is easy to carry, efficiency of teaching and quality can be improved.
Description of the drawings
Fig. 1 is a kind of main structure diagram of multifunctional blackboard eraser of the utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the sectional view along A-A in Fig. 1；
Fig. 5 is the B-B direction section view enlarged diagram in Fig. 1.
Serial number in figure：1- laser lamps, 2- suckers, 3- shafts, 4- rub bodies, 5- bristles, 6- Telescopic pointers, 7- powder
Pen, 8- chalks socket, 9- electronic calculators, 10- liquid crystal display electronic watchs, 11- spirit bubbles, 12-LED lamps, 13- power supply USB connect
Mouth, 14- rolling bearings, 15, rubber bush.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing：
Referring to Fig. 1-Fig. 3, a kind of embodiment of multifunctional blackboard eraser of the utility model is set including rub body 4,4 bottom surface of rub body
The felt or bristle 5 put set Telescopic pointer 6 in 4 one end of rub body, chalk socket 8 are set on 6 end of Telescopic pointer,
Chalk socket 8 is grafting with Telescopic pointer 6, and chalk jack is set on chalk socket 8, and elasticity is set in chalk jack
Wall, for the clamping of chalk 7 will to be inserted into.Chalk socket 8 can be removed to be used separately as chalk sleeve, can be by shorter chalk
It is used in the chalk jack of head insertion chalk socket 8, reduces the waste of chalk 7.Shaft 3 is set on the top surface of rub body 4, it is described
Shaft connecting sucker 2, and sucker 2 can be rotatable around its axis with shaft 3.Laser lamp 1 and LED are set on the other end of rub body 4
Headlamp 12 is arranged to laser lamp 1 and the battery of the power supply of LED illumination lamp 12 in rub body 4.It can be on the top surface of rub body 4
Tessellation level bubble 11 can be used for the level for adjusting instruments used for education.
Specifically：Lithium battery, lithium battery connection power supply usb 13 and itself charging USB may be employed in above-mentioned battery
Interface.It can charge in this way, lithium battery is built in rub body 4, furthermore it is also possible to by usb 13 of powering for mobile phone etc.
Electronic product is powered.
For convenience of the various information of storage teaching, USB flash disk is set in rub body 4, the USB plug of USB flash disk is arranged on rub body 4
One end.
In order to facilitate the content of courses or break broadcasting music etc. is played, Mp 3 player, Mp 3 player are set in rub body 4
By above-mentioned battery powered.
Lecture time is grasped for the ease of teacher, liquid crystal display electronic watch 10 is set on the top surface of rub body 4.
For the ease of grasping the indoor humiture of religion in time, electronics Hygrothermograph is set in the top surface of rub body 4, can be taken
Corresponding heating or cooling measure ensure that teachers and students attend class in comfortable environment.
It says that class hour is calculated using calculator in order to facilitate teacher, electronic calculator 9 is set in the top surface of rub body 4.
It sets and renovates on electronic calculator 9, to protect electronic calculator 9；Plane mirror is set renovating inside, teacher can also utilize
Plane mirror sees whether oneself wearing or face are stained with chalk powder, and teacher can be allowed to keep good appearance.
The utility model can also set scale on Telescopic pointer 6, can double as ruler and use.
Referring to Fig. 4, the specific embodiment of shaft 3 is set on the top surface of rub body 4 is：It is opened up on the top surface of rub body 4
One rolling bearing 14 is embedded in circular groove by circular groove, and rolling bearing 14 is conventional rolling bearing, mainly by outer ring,
Inner ring, rolling element and four part of retainer composition, outer ring outside is fixed with circular groove tight fit, by one end of shaft 3
It is inserted into inner ring, and shaft 3 is tightly fixed with inner ring and is integrated, since inner ring can make shaft 3 and rub body 4 with flexible rotating
Rotation connection is formed, the other end of shaft 3 is fixedly connected with sucker 2, and sucker 2 can be rotatable around its axis with shaft 3.
Referring to Fig. 5, the chalk jack on chalk socket 8 is round hole, and the specific embodiment of elastic wall therein is：
For elastic wall to set a rubber cylinder 15 in chalk jack, 15 lateral wall of rubber cylinder is close to the madial wall of chalk jack
On, and rubber cylinder 15 is adhesively fixed in chalk jack.15 main body of rubber cylinder is cylindrical shape, upper along setting convex annular
Edge is easily installed fixation, and 15 upper port of rubber cylinder is opening, and lower port can be open or closing, and rubber cylinder 15 can
For the integral structure of extrusion molding.Preferably, 15 outer diameter of rubber cylinder is identical with the internal diameter of chalk jack, rubber cylinder 15 it is interior
Footpath is slightly less than the diameter of chalk 7, and the wall thickness of rubber cylinder 15 is 1-3mm.
It can also be the rubber pasted on chalk jack madial wall that chalk jack on chalk socket 8, which sets elastic wall,
Strip, and rubber strip interval is vertically arranged, also the same chalk 7 that can be clamped in insertion chalk jack makes its not easily to fall off.
When the utility model is as blackboard eraser, felt or bristle 5 that hand-held rub body 4 is set using 4 bottom surface of rub body are wiped black
Letter written with chalk on plate, it is consistent with ordinary blackboard eraser effect.The utility model is as compasses in use, adsorbing sucker 2 on blackboard
It is fixed, a section chalk 7 is plugged in the chalk jack of chalk socket 8,7 elastic clip of chalk is handled, is not easy to take off by rubber cylinder 15
Fall.Chalk 7 coordinates with the sucker 2 on 4 top surface of rub body, it is possible to which 3 axis of shaft is center of rotation, rotates rub body 4 and telescopic
Teacher's pointer 6, with the chalk 7 in chalk jack in blackboard upper drawing circle, and drawn diameter of a circle can be by adjusting Telescopic pointer 6
Extension elongation makes choice.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in the essential scope of the utility model, the variations, modifications, additions or substitutions made,
It should also belong to the protection scope of the utility model.
Claims (10)
1. a kind of multifunctional blackboard eraser, the felt or bristle set including rub body, rub body bottom surface, which is characterized in that the rub body
One end sets Telescopic pointer, sets chalk socket on the Telescopic pointer end, the chalk socket with it is described telescopic
Teacher's pointer is grafting, and chalk jack is set on the chalk socket, sets elastic wall in chalk jack, on the top surface of the rub body
Shaft is set, and the shaft connecting sucker sets laser lamp and LED illumination lamp on the other end of the rub body, in the rub body
Laser lamp and the battery of LED illumination lamp power supply are arranged to, tessellation level steeps on the top surface of the rub body.
2. multifunctional blackboard eraser described in accordance with the claim 1, which is characterized in that the battery be lithium battery, the lithium battery
Connection power supply USB interface and itself charging USB interface；The elastic wall is the rubber cylinder being arranged in the chalk jack,
The rubber cylinder lateral wall is close on the madial wall of the chalk jack, and rubber cylinder is adhesively fixed on chalk jack
It is interior；Rolling bearing is set on the top surface of the rub body, one end of the shaft is inserted into the rolling bearing, make the shaft with
Rub body forms rotation connection, and the other end of the shaft is fixedly connected with the sucker.
3. according to the multifunctional blackboard eraser described in claim 1 or 2, which is characterized in that set USB flash disk, the USB flash disk in the rub body
USB plug be arranged on described rub body one end.
4. according to the multifunctional blackboard eraser described in claim 1 or 2, which is characterized in that Mp 3 player is set in the rub body,
The Mp 3 player is by the battery powered.
5. multifunctional blackboard eraser described in accordance with the claim 3, which is characterized in that Mp 3 player is set in the rub body, it is described
Mp 3 player is by the battery powered.
6. according to the multifunctional blackboard eraser described in claim 1 or 2, which is characterized in that set liquid crystal on the top surface of the rub body
Show electronic watch, the liquid crystal display electronic watch is by the battery powered.
7. according to the multifunctional blackboard eraser described in claim 5, which is characterized in that set liquid crystal display on the top surface of the rub body
Electronic watch, the liquid crystal display electronic watch is by the battery powered.
8. according to the multifunctional blackboard eraser described in claim 1 or 2, which is characterized in that the top surface of the rub body sets electrometer
Device is calculated, sets and renovates on the electronic calculator, the inside of renovating sets plane mirror.
9. according to the multifunctional blackboard eraser described in claim 7, which is characterized in that the top surface of the rub body sets electronics to calculate
Device sets on the electronic calculator and renovates, and the inside of renovating sets plane mirror.
10. according to the multifunctional blackboard eraser described in claim 1 or 2, which is characterized in that magnet is set in the rub body, it is described
The top surface of rub body sets electron temperature hygrometer, and the electron temperature hygrometer is by the battery powered.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016211502025 | 2016-10-24 | ||
| CN201621150202 | 2016-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207433098U true CN207433098U (en) | 2018-06-01 |
Family
ID=62395314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720798763.4U Expired - Fee Related CN207433098U (en) | 2016-10-24 | 2017-07-04 | A kind of multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207433098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
-
2017
- 2017-07-04 CN CN201720798763.4U patent/CN207433098U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
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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: 20180601 Termination date: 20210704 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |