CN207657477U - A kind of primary school math teaching blackboard - Google Patents
A kind of primary school math teaching blackboard Download PDFInfo
- Publication number
- CN207657477U CN207657477U CN201621416659.6U CN201621416659U CN207657477U CN 207657477 U CN207657477 U CN 207657477U CN 201621416659 U CN201621416659 U CN 201621416659U CN 207657477 U CN207657477 U CN 207657477U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- resorption
- cavity
- driving
- blackboard eraser
- 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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Abstract
The utility model discloses a kind of primary school math teaching blackboards, including frame body, the upper and lower ends of frame body are respectively arranged with epicoele and cavity of resorption, position of the frame body between epicoele and cavity of resorption is provided with blackboard, the both sides of blackboard are symmetrically arranged with swab of the recyclable rotation for wiping clear blackboard panel from the top down, and lower intracavitary is symmetrically arranged with two driving devices for driving swab.The utility model can carry out the cleaning of blackboard and automatic collection dust automatically, reduce flying upward for dust, reduce harm of the dust to Faculty and Students' health, alleviate the pressure of attending class of teacher, it solves the problems, such as that the students of the junior years wipe the top less than blackboard, has the advantages that simple in structure, easy to use.
Description
Technical field
The utility model is related to teaching equipment field, specifically a kind of primary school math teaching blackboard.
Background technology
Currently, major part school of China still uses black board teaching, student not only to take when with blackboard eraser erasing chalk end
It is power, time-consuming, and dust is flown upward everywhere, and polluting air and environment influences the health of student；In the teaching of mathematics, teacher is black
There are many content of the enterprising andante book of plate, often to erase the board, directly endanger the health of Faculty and Students, also therefore teach
Teacher also becomes the group of people at high risk of occupational disease.
In addition, the student of primary grades wipes the top less than blackboard at all, otherwise it needs to stand on tiptoe if wiping clean
It plays tiptoe to jump up or to hold stool feet, does so not only dangerous, and the effect wiped is also undesirable.
Invention content
Problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, is provided a kind of easy to use, automatic
Cleaning, a kind of primary school math teaching blackboard for reducing dust from flying.
To solve the above-mentioned problems, the utility model uses following technical scheme：
A kind of primary school math teaching blackboard, including frame body, the upper and lower ends of frame body are respectively arranged with epicoele and cavity of resorption,
Position of the frame body between epicoele and cavity of resorption is provided with blackboard, the both sides of blackboard be symmetrically arranged with recyclable rotation for from
The swab of clear blackboard panel is wiped downwards, and lower intracavitary is symmetrically arranged with two driving devices for driving swab.
It is that the utility model advanced optimizes said program below：
Swab includes the transmission belt for being symmetricly set on blackboard on both sides, and the position of top and bottom is located on two transmission belts
It sets and is separately installed with the first blackboard eraser and the second blackboard eraser, the first blackboard eraser and the second blackboard eraser are simultaneously symmetrical set.
It advanced optimizes：
The upper end of transmission belt is rotatably connected on upper intracavitary by gear respectively, and the lower end of transmission belt is installed by shaft respectively
The first driven wheel of angular wheel is installed in lower intracavitary, shaft.
It advanced optimizes：Driving device includes driving motor, and driving wheel is sequentially connected on the output shaft of driving motor, should
Driving wheel includes two upper driving wheels disposed in parallel and lower driving wheel.
It advanced optimizes：Upper driving wheel and the first driven wheel engaged transmission, lower driving wheel engaged transmission have the second driven wheel.
It advanced optimizes：The central shaft of second driven wheel is rotatably connected on cavity of resorption by supporting rack, in the second driven wheel
Mandrel passes through supporting rack and is connected with pocket belt by gear drive, and the upper end of pocket belt is sequentially connected to be filled in scrub
It sets.
It advanced optimizes：Brushing device include the hairbrush being arranged below blackboard, the excircle of hairbrush and the first blackboard eraser and
The periphery that the inner face of second blackboard eraser turns over is identical.
It advanced optimizes：The both ends of hairbrush are respectively arranged with rotation axis, and are coaxially disposed with the shaft of the lower end of transmission belt,
And it is rotatably connected on cavity of resorption respectively.
It advanced optimizes：Lower intracavitary is located at the position below hairbrush and is provided with collection box for collecting dust, lower intracavitary
The rotation box for holding chalk is set positioned at the top of collection box front end, rotation box lower end is connect by shaft with cavity of resorption.
It advanced optimizes：The upper surface of cavity of resorption is provided with rotatable bullet relative to the position of the first blackboard eraser and the second blackboard eraser
Property rotor plate.
When using the utility model, by connect power supply, driving device is started, teacher write it is full needs black or after class
When student erases the board, driving motor is started by controller, the rotation of driving motor drives the first blackboard eraser to move downward, the
Two blackboard erasers move upwards, while brushing device also rotates, and the first blackboard eraser erases the board at this time, when the first blackboard eraser is moved to scrub
When device, the one side that the first blackboard eraser is contacted with blackboard is contacted with hairbrush, and the first blackboard eraser of hairbrush pair is scrubbed, by dust above
It sweeps down, falls into collection box, scrub always to the first blackboard eraser and turn to the second blackboard eraser, the second blackboard eraser turns to the first blackboard eraser position
When, driving motor is automatically stopped, and completes the scouring work of blackboard.
The utility model can carry out the cleaning of blackboard and automatic collection dust automatically, reduce flying upward for dust, reduce powder
Harm of the dirt to Faculty and Students' health alleviates the pressure of attending class of teacher, and solves the students of the junior years and wipes less than blackboard
Top the problem of, have the advantages that simple in structure, easy to use.
The utility model is described in further detail with reference to the accompanying drawings and examples.
Description of the drawings
Attached drawing 1 is the structural schematic diagram of the utility model embodiment；
Attached drawing 2 is the side structure schematic view of the utility model embodiment；
Attached drawing 3 is the enlarged structure schematic diagram at A in attached drawing 1.
In figure：1- frame bodies；The first blackboard erasers of 2-；3- transmission belts；4- blackboards；The first driven wheels of 5-；6- upper driving wheels；It is passed under 7-
Driving wheel；The second driven wheels of 8-；9- driving motors；10- supporting racks；11- pocket belts；12- collection boxes；13- hairbrush；14- turns
Moving axis；15- cavity of resorptions；16- gear wheels；17- elastic rotation plates；18- rotation box；The second blackboard erasers of 19-；20- epicoeles；21- controllers.
Specific implementation mode
Embodiment, as shown in Figure 1 and Figure 2, a kind of primary school math teaching blackboard, including frame body 1, the upper and lower ends of frame body
It is respectively arranged with epicoele 20 and cavity of resorption 15, position of the frame body 1 between epicoele 20 and cavity of resorption 15 is provided with blackboard 4, blackboard 4
Both sides are symmetrically arranged with swab of the recyclable rotation for wiping 4 plate face of clear blackboard from the top down, are symmetrical arranged in cavity of resorption 15
There are two the driving devices for driving swab.
The swab includes the transmission belt 3 for being symmetricly set on 4 both sides of blackboard, be located on two transmission belts 3 upper end and
The position of lower end is separately installed with the first blackboard eraser 2 and the second blackboard eraser 19, and the first blackboard eraser 2 and the second blackboard eraser 19 are simultaneously symmetrical set.
The upper end of the transmission belt 3 is rotatably connected on by gear in epicoele 20 respectively, and the lower end of transmission belt 3 passes through respectively
Shaft is mounted in cavity of resorption 15, and the first driven wheel of angular wheel 5 is equipped in shaft.
The driving device includes driving motor 9, and driving wheel is sequentially connected on the output shaft of driving motor 9, the transmission
Wheel includes two upper driving wheels 6 disposed in parallel and lower driving wheel 7.
5 engaged transmission of the upper driving wheel 6 and the first driven wheel, 7 engaged transmission of lower driving wheel have the second driven wheel 8.
The central shaft of second driven wheel 8 is rotatably connected on cavity of resorption 15, the center of the second driven wheel 8 by supporting rack 10
Axis passes through supporting rack 10 and is connected with pocket belt 11 by gear drive, and the upper end of pocket belt 11, which is sequentially connected, is brushing
On cleaning device.
The brushing device includes the hairbrush 13 being arranged below blackboard 4, the excircle of hairbrush 13 and the first blackboard eraser 2 and
The periphery that the inner face of two blackboard erasers 19 turns over is identical.
The both ends of the hairbrush 13 are respectively arranged with rotation axis, and are coaxially disposed with the shaft of the lower end of transmission belt 3, and point
It is not rotatably connected on cavity of resorption 15.
Position in the cavity of resorption 15 positioned at 13 lower section of hairbrush is provided with the collection box 12 for collecting dust, in cavity of resorption 15
The rotation box 18 for holding chalk is set positioned at the top of 12 front end of collection box, 18 lower end of rotation box passes through shaft and cavity of resorption 15
Connection.
The upper surface of the cavity of resorption 15 is provided with rotatable elasticity relative to the position of the first blackboard eraser 2 and the second blackboard eraser 19
Rotor plate 17.
The position that the upper end of the cavity of resorption 15 is located at side is provided with controller 21 for control, is provided on frame body 1
Electric wire, with being electrically connected, electric power is provided for driving device with school.
When using the utility model, by connect power supply, driving device is started, teacher write completely need to black 4 or under
Class student erase the board 4 when, driving motor 9 is started by controller 21, the rotation of driving motor 9 drive the first blackboard eraser 2 to
Lower movement, the second blackboard eraser 19 move upwards, while brushing device also rotates,
The first blackboard eraser 2 carries out erase the board 4, when the first blackboard eraser 2 is moved to brushing device, the first blackboard eraser 2 and blackboard 4 at this time
The one side of contact is contacted with hairbrush 13, and hairbrush 13 scrubs the first blackboard eraser 2, and dust above is swept down, collection box is fallen into
In 12, scrubs always to when the first blackboard eraser 2 turns to the second blackboard eraser 19, the second blackboard eraser 19 turns to the first 2 position of blackboard eraser, drive
Motor 9 is automatically stopped, and completes the scouring work of blackboard 4.
The utility model can carry out the cleaning of blackboard and automatic collection dust automatically, reduce flying upward for dust, reduce powder
Harm of the dirt to Faculty and Students' health alleviates the pressure of attending class of teacher, and solves the students of the junior years and wipes less than blackboard
Top the problem of, have the advantages that simple in structure, easy to use.
Claims (1)
1. a kind of primary school math teaching blackboard, including frame body（1）, it is characterised in that：The upper and lower ends of frame body are respectively arranged with
Epicoele（20）And cavity of resorption（15）, frame body（1）Positioned at epicoele（20）And cavity of resorption（15）Between position be provided with blackboard（4）, blackboard
（4）Both sides be symmetrically arranged with recyclable rotation for wiping clear blackboard from the top down（4）The swab of plate face, cavity of resorption（15）It is interior
Driving device there are two being symmetrical arranged for driving swab；
Swab includes being symmetricly set on blackboard（4）The transmission belt of both sides（3）, two transmission belts（3）The upper upper end that is located at is under
The position at end is separately installed with the first blackboard eraser（2）With the second blackboard eraser（19）, the first blackboard eraser（2）With the second blackboard eraser（19）And in symmetrical
Setting；
Transmission belt（3）Upper end epicoele is rotatably connected on by gear respectively（20）It is interior, transmission belt（3）Lower end respectively by turn
Axis is mounted on cavity of resorption（15）It is interior, the first driven wheel of angular wheel is installed in shaft（5）；
Driving device includes driving motor（9）, driving motor（9）Output shaft on be sequentially connected with driving wheel, the driving wheel packet
Include two upper driving wheels disposed in parallel（6）And lower driving wheel（7）；
Upper driving wheel（6）With the first driven wheel（5）Engaged transmission, lower driving wheel（7）Engaged transmission has the second driven wheel（8）；
Second driven wheel（8）Central shaft pass through supporting rack（10）It is rotatably connected on cavity of resorption（15）, the second driven wheel（8）Center
Axis passes through supporting rack（10）And pocket belt is connected with by gear drive（11）, pocket belt（11）Upper end transmission connect
It is connected on brushing device；
Brushing device includes being arranged in blackboard（4）The hairbrush of lower section（13）, hairbrush（13）Excircle and the first blackboard eraser（2）With
Two blackboard erasers（19）The periphery that turns over of inner face it is identical；
Hairbrush（13）Both ends be respectively arranged with rotation axis, and and transmission belt（3）Lower end shaft coaxial arrangement, and turn respectively
It is dynamic to be connected to cavity of resorption（15）On；
Cavity of resorption（15）It is interior to be located at hairbrush（13）The position of lower section is provided with the collection box for collecting dust（12）, cavity of resorption（15）It is interior
Positioned at collection box（12）The rotation box for holding chalk is arranged in the top of front end（18）, rotation box（18）Lower end by shaft with
Cavity of resorption（15）Connection；
Cavity of resorption（15）Upper surface relative to the first blackboard eraser（2）With the second blackboard eraser（19）Position be provided with rotatable elasticity and turn
Movable plate（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416659.6U CN207657477U (en) | 2016-12-22 | 2016-12-22 | A kind of primary school math teaching blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621416659.6U CN207657477U (en) | 2016-12-22 | 2016-12-22 | A kind of primary school math teaching blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207657477U true CN207657477U (en) | 2018-07-27 |
Family
ID=62935254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621416659.6U Expired - Fee Related CN207657477U (en) | 2016-12-22 | 2016-12-22 | A kind of primary school math teaching blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207657477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107164A (en) * | 2020-09-23 | 2020-12-22 | 时岩 | Novel mathematical education is with supplementary teaching device |
| CN112192978A (en) * | 2020-10-28 | 2021-01-08 | 张亚斌 | Blackboard eraser capable of being overturned for quick and repeated use |
-
2016
- 2016-12-22 CN CN201621416659.6U patent/CN207657477U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112107164A (en) * | 2020-09-23 | 2020-12-22 | 时岩 | Novel mathematical education is with supplementary teaching device |
| CN112107164B (en) * | 2020-09-23 | 2022-04-08 | 时岩 | Novel mathematical education is with supplementary teaching device |
| CN112192978A (en) * | 2020-10-28 | 2021-01-08 | 张亚斌 | Blackboard eraser capable of being overturned for quick and repeated use |
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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: 20180727 Termination date: 20181222 |