CN110154589A - A kind of chalk and blackboard eraser storage teaching aid convenient for deashing - Google Patents
A kind of chalk and blackboard eraser storage teaching aid convenient for deashing Download PDFInfo
- Publication number
- CN110154589A CN110154589A CN201910384889.0A CN201910384889A CN110154589A CN 110154589 A CN110154589 A CN 110154589A CN 201910384889 A CN201910384889 A CN 201910384889A CN 110154589 A CN110154589 A CN 110154589A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- relay
- count
- motor
- route
- 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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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K19/00—Non-propelling pencils; Styles; Crayons; Chalks
- B43K19/003—Chalks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K31/00—Writing implement receptacles functioning as, or combined with, writing implements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
Abstract
The invention discloses a kind of chalks convenient for deashing and blackboard eraser to store teaching aid, including storage box body, and storage cassette upper end is connected with blackboard eraser holder, and restricted component is arranged in blackboard eraser holder upper end, and limitation component is connected with electric expansion push rod；Blackboard eraser holder inner sidewall upper portion is provided with limit placing frame, limits and is provided with pressure sensor on placing frame, and middle part is provided with beating component in blackboard eraser holder, pats component and is connected with first motor；It is provided with the first count-down device and power supply on storage box body, the first count-down device is electrically connected with the first relay；Power supply, the normally opened contact of pressure sensor, the first count-down device and electric expansion push rod are connected into first line, and the normally-closed contact of the first relay, first motor are connected into the second route, and first line and the second route are connected in series.The present invention can intelligence to blackboard eraser be fixed limit and beating cleaning, efficient dustproof are carried out to the dust on blackboard eraser.
Description
Technical field
The present invention relates to teaching aid technical field, a kind of chalk convenient for deashing and blackboard eraser storage religion are particularly related to
Tool.
Background technique
Teaching aid is when student being enable intuitively, visually to understand each appliances used in the content of courses and teachers' instruction
The general name of the apparatus used, teaching aid can be improved the learning interest of student, enrich perceptual knowledge, and help forms specific concept, send out
The observation ability and thinking ability of student are opened up, chalk holder and blackboard eraser are also teaching aid.
The write mode of chalk is added using blackboard in conventional teaching, although having multimedia assisted instruction, in teaching efficiency
On can not still replace traditional traditional instruction mode.Therefore, the dust pollution that chalk generates becomes problem in the urgent need to address.
Although the blank and white board marker released recently can substitute chalk and blackboard, in practical applications, there is it is inconvenient for use, at
The problem of this is higher, writing is unintelligible etc. to ignore, therefore be not widely used.In addition show according to statistics
The reentrainment of dust generated in the dust and descent that 90% chalk dust accumulates on blackboard eraser.Blackboard eraser is as master
The cleaning tool wanted cannot be neglected influence on dust pollution question.Traditional blackboard eraser uses at dais or black
The mode deashing of concussion is tapped on plate, wherein most dust can form reentrainment of dust, the main component of dust in air
For alkaline matter, there is very big security risk for the health of teachers and students.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of chalk convenient for deashing and blackboard eraser storage teaching aid, so that
Power in solve background technique in whole issue or one of.
Based on a kind of above-mentioned purpose chalk and blackboard eraser storage teaching aid convenient for deashing provided by the invention, including storage box
Body offers accommodating chamber in the storage box body, and the storage box body upper surface is laid with filtering supporting network, the storage box body
Upper end is connected with chalk storage box and blackboard eraser holder, and restricted component, the limit is arranged in blackboard eraser holder upper end
Component processed is connected with electric expansion push rod；The blackboard eraser holder inner sidewall upper portion is provided with limit placing frame, the limit
Pressure sensor is provided on placing frame, middle part is provided with beating component in the blackboard eraser holder, and the beating component connects
It is connected to first motor；The first count-down device and power supply are provided on the storage box body, first count-down device is electrically connected with
First relay；The power supply, the normally opened contact of the pressure sensor, a count-down device and the series connection of electric expansion push rod
At first line, the normally-closed contact of first relay, the first motor are connected into the second route, the first line and
Second route is connected in series, and the electric expansion push rod is described black for driving the limitation component to be limited in blackboard eraser
In blackboard eraser holder, the first motor is for driving the beating component to pat blackboard eraser.
Optionally, the limitation component includes limited block, and blackboard eraser holder upper end two sides are respectively provided with described electronic
The telescopic end of telescopic putter, two dynamic telescopic putters is oppositely arranged, and the telescopic end of each electric expansion push rod connects
It is connected to limited block.
Optionally, the beating component includes the rotating circular disc connecting with the first motor, and the first motor is fixed
It is connected on the blackboard eraser holder inner sidewall, is provided with and the blackboard eraser holder inner sidewall on front side of the rotating circular disc
Hinged rotating bar offers a word hole in the rotating bar, and the eccentric position of the rotating circular disc is provided with and a word
The eccentric shaft that hole is slidably connected, the eccentric shaft are slidably arranged in word hole, and the end of the rotating bar is connected with bat
Frame is played, the beating frame is arranged above the rotating bar, connects between the beating frame and the rotating bar by connecting rod.
Optionally, lower part is provided with cleaning assembly, the cleaning assembly lower end and the mistake in the blackboard eraser holder
It filters supporting network to connect, the cleaning assembly connects the second motor, and second motor is for driving the cleaning assembly pair
The filtering supporting network is cleaned；The second count-down device is provided on the storage box body, second count-down device is electrically connected
It is connected to the second relay, the normally opened contact of second count-down device and first relay is connected into tertiary circuit, described
The normally-closed contact of second motor and the second relay is connected into the 4th route, the tertiary circuit, the 4th route with it is described
The series connection of first line.
Optionally, third relay, coil, the third relay of the third relay are provided on the storage box body
Normally-closed contact and the normally opened contact of the second relay be serially connected in the 5th route, the both ends electrical connection of the 5th route the
Four route both ends.
Optionally, the first track and the second rail are respectively arranged on two opposite side walls in the blackboard eraser holder
Road；The cleaning assembly includes the first threaded rod and the second threaded rod, and first threaded rod and the second threaded rod are respectively set
In first track and second track, first threaded rod and the second threaded rod are arranged in parallel, and described
The end of one threaded rod is connect with second motor by the second shaft, and the end of second threaded rod is connected with second turn
Moving axis, second shaft and second rotation axis are sequentially connected by belt, and set has first on first threaded rod
Thread bush block, set has the second thread bush block on second threaded rod, the first thread bush block and the second thread bush block it
Between be fixedly connected by channel washer, the channel washer lower end is connected with Clean Brush for cleaning, the lower end surface of the Clean Brush for cleaning and filtering
Supporting network is in contact.
Optionally, dust collection drawer is provided in the accommodating chamber.
From the above it can be seen that the medicine have the advantages that
1. the present invention be provided with pressure sensor, the first count-down device, power supply, electric expansion push rod, the first relay and
First motor, pressure sensor receive the pressure signal from blackboard eraser weight, so that the normally opened contact of pressure sensor closes
Close, at this moment first line and the concatenated circuit of the second route can be electrically connected so that first motor and electric expansion push rod obtain it is electric
Blackboard eraser is limited in blackboard eraser holder so that electric expansion push rod extends so that limiting component by starting, the first electricity
Machine, which starts, pats blackboard eraser so that patting component, and convenient for the beating cleaning to the dust being infected on blackboard eraser, dust is logical
Filtering supporting network enters in storage box body, convenient for dust collection, convenient for preventing dust from flying upward in air, first falls to count
When device on be provided with count down time, while this count down time is also the time that blackboard eraser pat cleaning, countdown
Time once to zero, first count-down device trigger the first relay obtain it is electric so that the normally-closed contact of the first relay is opened so that
First line and the concatenated circuit of the second route cannot be electrically connected, so that first motor must not be electric, convenient for stopping to blackboard eraser
Beating cleaning, set the time of beating, at the same limit component also must not electricity, at this moment people can take away cleared up it is black
Blackboard eraser.
2. the present invention is provided with the second count-down device and the second relay, the second count-down device is normally opened with the first relay
For contact series at tertiary circuit, the normally-closed contact of the second motor and the second relay is connected into the 4th route, tertiary circuit, the 4th
The series connection of route and first line, when the count down time on the first count-down device is zero, the triggering of the first count-down device
First relay obtain it is electric so that the normally-closed contact of the first relay is opened and the normally opened contact of the first relay is closed, so that the
One route and the concatenated circuit of the second route cannot be electrically connected, so that tertiary circuit, the 4th route are connected with first line
Link circuit be electrically connected, the second motor obtain it is electric so that the second motor driven cleaning assembly to filtering supporting network clean, simultaneously
Electric expansion push rod continues to electrically activate, and electric expansion push rod extends so that blackboard eraser is limited in blackboard eraser placement by limitation component
It in box, is collected convenient for the cleaning to the filtering remaining dust in supporting network upper end, so that dust falls to receipts by filtering supporting network
In case body, count down time is also equipped on the second count-down device, while this count down time is also to filtering supporting network
The clearance time of the remaining dust in upper end, count down time obtain electric, make once triggering the second relay to zero, second count-down device
The normally-closed contact for obtaining the second relay is opened, so that the series-connected loop of tertiary circuit, the 4th route and first line is not electric
Connection, so that the second motor must not be electric, convenient for stopping setting to filtering the cleaning of the filtering remaining dust in supporting network upper end
Time of the cleaning of the remaining dust in supporting network upper end, limitation component also must not electricity, at this moment people, which can take away, has cleared up
Blackboard eraser, since the second motor works so that limitation component also electric, the dust from flying that generates when effectivelying prevent patting,
The dust from flying generated when beating is fallen on down within a certain period of time on storage box body and filtering supporting network.
3. the present invention be provided with beat component, first motor start, drive rotating circular disc rotation so that eccentric shaft with turn
The axis rotation of dynamic disk so that rotating bar is swung up and down, convenient for the connection of rotating bar upper end beating frame to blackboard eraser into
Row is patted, and is patted convenient for the cleaning to dust on blackboard eraser.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that a kind of chalk and blackboard eraser convenient for deashing of the present invention stores teaching aid embodiment；
Fig. 2 is that a kind of structure for the beating component that chalk and blackboard eraser convenient for deashing store teaching aid embodiment of the present invention is shown
It is intended to；
Fig. 3 is that a kind of structure for the cleaning assembly that chalk and blackboard eraser convenient for deashing store teaching aid embodiment of the present invention is shown
It is intended to.
In figure: storage box body -1, filtering supporting network -2, blackboard eraser holder -3, limited block -4, electric expansion push rod -5,
First motor -6, rotating circular disc -7, eccentric shaft -8, one word hole -9, rotating bar -10 pat frame -11, connecting rod -12, channel washer -
13, Clean Brush for cleaning -14, the second motor -15, the second shaft -16, the second rotation axis -17, the first threaded rod -18, the second screw thread
Bar -19, the first thread bush block -20, the second thread bush block -21, belt -22, dust collection drawer -23, chalk storage box -24 are patted
Component -25, cleaning assembly -26.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
A kind of chalk and blackboard eraser storage teaching aid convenient for deashing, including box body 1 is stored, it is opened up in the storage box body 1
There is accommodating chamber, 1 upper surface of storage box body is laid with filtering supporting network 2, and 1 upper end of storage box body is connected with chalk storage
Box 24 and blackboard eraser holder 3, the chalk storage box 24 are used for blackboard eraser for storing chalk, the blackboard eraser holder 3
Placement, restricted component is arranged in 3 upper end of blackboard eraser holder, and the limitation component is connected with electric expansion push rod 5；Institute
It states 3 inner sidewall upper portion of blackboard eraser holder and is provided with limit placing frame, be provided with pressure sensor on the limit placing frame, institute
It states middle part in blackboard eraser holder 3 and is provided with beating component 25, the beating component 25 is connected with first motor 6；The storage
The first count-down device and power supply are provided on box body 1, first count-down device is electrically connected with the first relay；The power supply,
The normally opened contact of the pressure sensor, first count-down device and electric expansion push rod 5 are connected into first line, and described
The normally-closed contact of one relay, the first motor 6 are connected into the second route, the first line and second route series connection
Connection, the electric expansion push rod 5 are used to drive the limitation component that blackboard eraser is limited in the blackboard eraser holder 3,
The first motor 6 is for driving the beating component 25 to pat blackboard eraser, after people wipe blackboard with blackboard eraser,
The blackboard eraser cleared up can will be needed to be placed on blackboard eraser holder 3, blackboard eraser is placed on limit placing frame, pressure sensor
The pressure signal from blackboard eraser weight is received, so that the normally opened contact of pressure sensor is closed, at this moment first line and institute
Stating the concatenated circuit of the second route can be electrically connected, so that first motor 6 and electric expansion push rod 5 must electrically activate, so that
The electric expansion push rod 5, which extends, is limited in blackboard eraser in the blackboard eraser holder 3 so that limiting component, first motor 6
Starting pats blackboard eraser so that patting component 25, and convenient for the beating cleaning to the dust being infected on blackboard eraser, dust is logical
Filtering supporting network 2 enters in storage box body 1, convenient for dust collection, convenient for preventing dust from flying upward in air, first is fallen
Count down time is provided on timer, while this count down time is also the time that blackboard eraser pat cleaning, is counted
When the time obtain electric once triggering the first relay to zero, first count-down device so that the normally-closed contact of the first relay is opened, make
Obtaining first line and the concatenated circuit of the second route cannot be electrically connected, so that first motor 6 must not be electric, convenient for stopping pair
The beating of blackboard eraser is cleared up, and the time of beating is set, while limiting component also must not be electric, and at this moment people can take cleaning away
Good blackboard eraser.
For the ease of limiting the fixed of blackboard eraser, the limitation component includes limited block 4, the blackboard eraser holder 3
Upper end two sides are respectively provided with the electric expansion push rod 5, and the telescopic end of two electric expansion push rods 5 is oppositely arranged, Mei Gesuo
The telescopic end for stating electric expansion push rod 5 is respectively connected with limited block 4, in two elongation startings of electric expansion push rod 5, so that two limits
Position block 4 moves towards, convenient for blackboard eraser to be limited in blackboard eraser holder 3.
It is patted for the ease of the cleaning to the dust being infected on blackboard eraser, the beating component 25 includes and first electricity
The rotating circular disc 7 that machine 6 connects, the first motor 6 are fixedly connected on 3 inner sidewall of blackboard eraser holder, the rotation
It is provided with the rotating bar 10 hinged with 3 inner sidewall of blackboard eraser holder on front side of disk 7, offers one in the rotating bar 10
Word hole 9, the eccentric position of the rotating circular disc 7 are provided with the eccentric shaft 8 being slidably connected with word hole 9, the eccentric shaft 8
It is slidably arranged in word hole 9, the end of the rotating bar 10, which is connected with, pats frame 11, and the beating frame 11 is arranged in institute
10 top of rotating bar is stated, is connected between the beating frame 11 and the rotating bar 10 by connecting rod 12, is opened in first motor 6
It is dynamic, drive rotating circular disc 7 to rotate, so that eccentric shaft 8 is rotated with the axis of rotating circular disc 7, so that about 10 rotating bar
It swings, the beating frame 11 convenient for the connection of 10 upper end of rotating bar pats blackboard eraser, convenient for the cleaning to dust on blackboard eraser
It pats.
For the ease of the cleaning to the filtering remaining dust in 2 upper end of supporting network, lower part is arranged in the blackboard eraser holder 3
There is a cleaning assembly 26,26 lower end of cleaning assembly and the filtering supporting network 2 connect, and the cleaning assembly 26 connects the
Two motors 15, second motor 15 is for driving the cleaning assembly 26 to clean the filtering supporting network 2；The receipts
The second count-down device is provided on case body 1, second count-down device is electrically connected with the second relay, second countdown
The normally opened contact of device and first relay is connected into tertiary circuit, the normally closed touching of second motor 15 and the second relay
Point is connected into the 4th route, and the series connection of the tertiary circuit, the 4th route and the first line falls to count first
When device on count down time when being zero, the first count-down device trigger the first relay obtain it is electric so that the first relay is normally closed
Contact is opened and the normally opened contact of the first relay is closed, so that first line and the concatenated circuit of the second route cannot
It is electrically connected, so that the tertiary circuit, the 4th route are electrically connected with the series-connected loop of the first line, the second electricity
Machine 15 it is electric so that the second motor 15 drives the cleaning assembly 26 to clean the filtering supporting network 2, while electronic stretching
Contracting push rod 5 continues to electrically activate, and electric expansion push rod 5 extends so that blackboard eraser is limited in the blackboard eraser placement by limitation component
It in box 3, is collected convenient for the cleaning to the filtering remaining dust in 2 upper end of supporting network, so that dust is fallen to by filtering supporting network 2
It stores in box body 1, count down time is also equipped on the second count-down device, while this count down time is also to support to filtering
The clearance time of the remaining dust in 2 upper end of net, count down time obtain once triggering the second relay to zero, second count-down device
Electricity, so that the normally-closed contact of the second relay is opened, so that tertiary circuit, the 4th route are connected with the first line
Link circuit is not electrically connected, so that the second motor 15 must not be electric, convenient for stopping to the clear of the filtering remaining dust in 2 upper end of supporting network
Reason, sets the time of the cleaning to the filtering remaining dust in 2 upper end of supporting network, limitation component also must not electricity, at this moment people are just
The blackboard eraser cleared up can be taken away, due to the second motor 15 work so that limitation component also it is electric, effectively prevent patting
When the dust from flying that generates, the dust from flying that when beating generates falls on down storage box body 1 and filtering supporting network 2 within a certain period of time
It is upper.
For the ease of the control after the work of the second motor 15 to limitation component, third is provided on the storage box body 1
Relay, the normally opened contact of the coil of the third relay, the normally-closed contact of third relay and the second relay, which is connected, to be connected
It is connected into the 5th route, the both ends of the 5th route are electrically connected the 4th route both ends, the countdown on the second count-down device also
When time is zero, the second count-down device trigger the second relay obtain it is electric so that the normally-closed contact of the second relay is opened, so that the
Three routes, the 4th route are not electrically connected with the series-connected loop of the first line, the coil of third relay obtain it is electric,
The normally-closed contact of third relay is opened, so that the series connection of tertiary circuit, the first line and the 5th route is returned
Road is not also electrically connected, so that limitation component must not be electric, electric expansion push rod 5, which resets, to be shunk, and loosens convenient for limited block 4 to blackboard eraser
Limitation, can take the blackboard eraser cleared up convenient for people.
For the ease of the cleaning to the filtering remaining dust in 2 upper end of supporting network, in the blackboard eraser holder 3 two it is opposite
Side wall on be respectively arranged with the first track and the second track；The cleaning assembly 26 includes the first threaded rod 18 and the second screw thread
Bar 19, first threaded rod 18 and the second threaded rod 19 are separately positioned in first track and second track, institute
It states the first threaded rod 18 and the second threaded rod 19 is arranged in parallel, the end of first threaded rod 18 and second motor
15 are connected by the second shaft 16, and the end of second threaded rod 19 is connected with the second rotation axis 17, second shaft 16
It being sequentially connected with second rotation axis 17 by belt 22, set has the first thread bush block 20 on first threaded rod 18,
Set has the second thread bush block 21 on second threaded rod 19, between the first thread bush block 20 and the second thread bush block 21
It is fixedly connected by channel washer 13,13 lower end of channel washer is connected with Clean Brush for cleaning 14, the lower end surface of the Clean Brush for cleaning 14
It is in contact with filtering supporting network 2, when the second motor 15 obtains electric, the rotation of the second shaft 16 is driven, so that 18 He of the first threaded rod
Second threaded rod 19 rotation, so that the first thread bush block 20, the second thread bush block 21 are respectively along a threaded rod 18 and the second spiral shell
The axis of rasp bar 19 is mobile, convenient for moving left and right to Clean Brush for cleaning 14, convenient for Clean Brush for cleaning 14 to being infected on Clean Brush for cleaning 14
Dust cleaning.
For the ease of the Collecting and dealing to dust, dust collection drawer 23 is provided in the accommodating chamber.
After people wipe blackboard with blackboard eraser, the blackboard eraser cleared up can will be needed to be placed on blackboard eraser holder 3, it is black
Blackboard eraser is placed on limit placing frame, and pressure sensor receives the pressure signal from blackboard eraser weight, so that pressure sensing
The normally opened contact of device is closed, and at this moment first line and the concatenated circuit of the second route can be electrically connected, so that first motor 6
It must be electrically activated with electric expansion push rod 5, so that the electric expansion push rod 5 extends so that limitation component limits blackboard eraser
In the blackboard eraser holder 3, first motor 6, which starts, pats blackboard eraser so that patting component 25, convenient for blackboard
The beating cleaning of the dust of contamination is smeared, dust is entered in storage box body 1 by filtering supporting network 2, it is convenient for dust collection,
Convenient for preventing dust from flying upward in air, count down time, while this count down time are provided on the first count-down device
Be blackboard eraser carry out pat cleaning time, count down time once to zero, first count-down device trigger the first relay obtain it is electric,
So that the normally-closed contact of the first relay is opened, so that first line and the concatenated circuit of the second route cannot be electrically connected
It is logical, so that first motor 6 must not be electric, convenient for stopping the beating cleaning to blackboard eraser, the time of beating be set, falls to count first
When device on count down time when being zero, the first count-down device trigger the first relay obtain it is electric so that the first relay is normally closed
Contact is opened and the normally opened contact of the first relay is closed, so that first line and the concatenated circuit of the second route cannot
It is electrically connected, so that the tertiary circuit, the 4th route are electrically connected with the series-connected loop of the first line, the second electricity
Machine 15 it is electric so that the second motor 15 drives the cleaning assembly 26 to clean the filtering supporting network 2, while electronic stretching
Contracting push rod 5 continues to electrically activate, and electric expansion push rod 5 extends so that blackboard eraser is limited in the blackboard eraser placement by limitation component
It in box 3, is collected convenient for the cleaning to the filtering remaining dust in 2 upper end of supporting network, so that dust is fallen to by filtering supporting network 2
It stores in box body 1, count down time is also equipped on the second count-down device, while this count down time is also to support to filtering
The clearance time of the remaining dust in 2 upper end of net, count down time obtain once triggering the second relay to zero, second count-down device
Electricity, so that the normally-closed contact of the second relay is opened, so that tertiary circuit, the 4th route are connected with the first line
Link circuit is not electrically connected, so that the second motor 15 must not be electric, convenient for stopping to the clear of the filtering remaining dust in 2 upper end of supporting network
Reason, sets the time of the cleaning to the filtering remaining dust in 2 upper end of supporting network, limitation component also must not electricity, at this moment people are just
The blackboard eraser cleared up can be taken away, due to the second motor 15 work so that limitation component also it is electric, effectively prevent patting
When the dust from flying that generates, the dust from flying that when beating generates falls on down storage box body 1 and filtering supporting network 2 within a certain period of time
It is upper, when the count down time on the second count-down device also is zero, the second count-down device trigger the second relay obtain it is electric so that
The normally-closed contact of second relay is opened, so that the series connection of tertiary circuit, the 4th route and the first line is returned
Road is not electrically connected, and the coil of third relay obtains electric, and the normally-closed contact of third relay is opened, so that tertiary circuit, described the
One route is not also electrically connected with the series-connected loop of the 5th route, so that limitation component must not be electric, electric expansion push rod 5
It resets and shrinks, loosen the limitation to blackboard eraser convenient for limited block 4, can take the blackboard eraser cleared up convenient for people.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
In addition, to simplify explanation and discussing, and in order not to obscure the invention, it can in provided attached drawing
It is connect with showing or can not show with the well known power ground of integrated circuit (IC) chip and other components.Furthermore, it is possible to
Device is shown in block diagram form, to avoid obscuring the invention, and this has also contemplated following facts, i.e., about this
The details of the embodiment of a little block diagram arrangements be height depend on will implementing platform of the invention (that is, these details should
It is completely within the scope of the understanding of those skilled in the art).Elaborating that detail (for example, circuit) is of the invention to describe
In the case where exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details
In the case where or implement the present invention in the case that these details change.Therefore, these descriptions should be considered as explanation
Property rather than it is restrictive.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front
It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of chalk and blackboard eraser convenient for deashing stores teaching aid, which is characterized in that including storing box body (1), the storage
Accommodating chamber is offered in box body (1), storage box body (1) upper surface is laid with filtering supporting network (2), the storage box body
(1) upper end is connected with chalk storage box (24) and blackboard eraser holder (3), and blackboard eraser holder (3) the upper end setting is limited
Component processed, the limitation component are connected with electric expansion push rod (5)；Blackboard eraser holder (3) inner sidewall upper portion is provided with
Placing frame is limited, pressure sensor is provided on the limit placing frame, middle part is provided with bat in the blackboard eraser holder (3)
It beats component (25), the beating component (25) is connected with first motor (6)；First is provided on the storage box body (1) to fall to count
When device and power supply, first count-down device be electrically connected with the first relay；The normally opened touching of the power supply, the pressure sensor
Point, a count-down device and electric expansion push rod (5) are connected into first line, the normally-closed contact of first relay, institute
It states first motor (6) and is connected into the second route, the first line and second route are connected in series, and the electric expansion pushes away
Bar (5) is for driving the limitation component that blackboard eraser is limited in the blackboard eraser holder (3), the first motor (6)
For driving the beating component (25) to pat blackboard eraser.
2. a kind of chalk and blackboard eraser convenient for deashing stores teaching aid according to claim 1, which is characterized in that the limitation
Component includes limited block (4), and blackboard eraser holder (3) the upper end two sides are respectively provided with the electric expansion push rod (5), two institutes
The telescopic end for stating telescopic putter (5) is oppositely arranged, and the telescopic end of each electric expansion push rod (5) is respectively connected with limited block
(4)。
3. a kind of chalk and blackboard eraser convenient for deashing according to claim 1 stores teaching aid, which is characterized in that the bat
Beating component (25) includes the rotating circular disc (7) connecting with the first motor (6), and the first motor (6) is fixedly connected on institute
It states on blackboard eraser holder (3) inner sidewall, is provided on front side of the rotating circular disc (7) and blackboard eraser holder (3) inside
The hinged rotating bar of wall (10) offers a word hole (9), the eccentric position of the rotating circular disc (7) on the rotating bar (10)
It is provided with the eccentric shaft (8) being slidably connected with word hole (9), the eccentric shaft (8) is slidably arranged in word hole (9)
Interior, the end of the rotating bar (10), which is connected with, pats frame (11), and the beating frame (11) is arranged on the rotating bar (10)
Side is connect between the beating frame (11) and the rotating bar (10) by connecting rod (12).
4. a kind of chalk and blackboard eraser convenient for deashing according to claim 1 stores teaching aid, which is characterized in that described black
Blackboard eraser holder (3) interior lower part is provided with cleaning assembly (26), cleaning assembly (26) lower end and the filtering supporting network (2)
It connects, the cleaning assembly (26) connects the second motor (15), and second motor (15) is for driving the cleaning group
Part (26) cleans the filtering supporting network (2)；It is provided with the second count-down device on the storage box body (1), described
Two count-down devices are electrically connected with the second relay, and the normally opened contact of second count-down device and first relay is connected into
The normally-closed contact of tertiary circuit, second motor (15) and the second relay is connected into the 4th route, the tertiary circuit, institute
State the series connection of the 4th route and the first line.
5. a kind of chalk and blackboard eraser convenient for deashing according to claim 4 stores teaching aid, which is characterized in that the receipts
Be provided with third relay on case body (1), the coil of the third relay, the normally-closed contact of third relay and second after
The normally opened contact of electric appliance is serially connected in the 5th route, and the both ends of the 5th route are electrically connected the 4th route both ends.
6. a kind of chalk and blackboard eraser convenient for deashing according to claim 4 stores teaching aid, which is characterized in that described black
The first track and the second track are respectively arranged on two opposite side walls in blackboard eraser holder (3)；The cleaning assembly (26)
Including the first threaded rod (18) and the second threaded rod (19), first threaded rod (18) and the second threaded rod (19) are respectively set
In first track and second track, first threaded rod (18) and the second threaded rod (19) are parallel to each other and set
It sets, the end of first threaded rod (18) is connect with second motor (15) by the second shaft (16), second spiral shell
The end of rasp bar (19) is connected with the second rotation axis (17), and second shaft (16) and second rotation axis (17) pass through skin
Band (22) is sequentially connected, and set has the first thread bush block (20), second threaded rod (19) on first threaded rod (18)
Upper set has the second thread bush block (21), the first thread bush block 20) and the second thread bush block (21) between pass through channel washer
(13) be fixedly connected, channel washer (13) lower end is connected with Clean Brush for cleaning (14), the lower end surface of the Clean Brush for cleaning (14) with
Filtering supporting network (2) is in contact.
7. a kind of chalk and blackboard eraser convenient for deashing according to claim 1 stores teaching aid, which is characterized in that the appearance
It receives and intracavitary is provided with dust collection drawer (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384889.0A CN110154589A (en) | 2019-05-09 | 2019-05-09 | A kind of chalk and blackboard eraser storage teaching aid convenient for deashing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910384889.0A CN110154589A (en) | 2019-05-09 | 2019-05-09 | A kind of chalk and blackboard eraser storage teaching aid convenient for deashing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110154589A true CN110154589A (en) | 2019-08-23 |
Family
ID=67633853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910384889.0A Pending CN110154589A (en) | 2019-05-09 | 2019-05-09 | A kind of chalk and blackboard eraser storage teaching aid convenient for deashing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110154589A (en) |
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| JPS53101843U (en) * | 1977-01-20 | 1978-08-17 | ||
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| CN105149296A (en) * | 2015-08-28 | 2015-12-16 | 溧阳市华鹏电力仪表有限公司 | Device for removing dust and solder splash from electricity meter |
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| CN106945432A (en) * | 2017-04-28 | 2017-07-14 | 程传奇 | Environment friendly blackboard external member |
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| CN108859525A (en) * | 2018-08-07 | 2018-11-23 | 常骏驰 | A kind of self-cleaning blackboard eraser |
| CN109203796A (en) * | 2018-10-27 | 2019-01-15 | 高宏福 | A kind of closed board wiper box |
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2019
- 2019-05-09 CN CN201910384889.0A patent/CN110154589A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53101843U (en) * | 1977-01-20 | 1978-08-17 | ||
| WO2004062818A2 (en) * | 2003-01-10 | 2004-07-29 | Chang-Sik Choi | Automatic board eraser cleaning machine |
| CN104742621A (en) * | 2015-03-20 | 2015-07-01 | 刘忠一 | Combined blackboard eraser capable of being used in cooperation with automatic blackboard eraser cleaner |
| CN105149296A (en) * | 2015-08-28 | 2015-12-16 | 溧阳市华鹏电力仪表有限公司 | Device for removing dust and solder splash from electricity meter |
| CN205033813U (en) * | 2015-09-10 | 2016-02-17 | 张苏 | Novel multi -functional blackboard eraser dust removing box |
| CN106694470A (en) * | 2017-03-17 | 2017-05-24 | 安徽工程大学 | Blackboard eraser dust remover |
| CN106945432A (en) * | 2017-04-28 | 2017-07-14 | 程传奇 | Environment friendly blackboard external member |
| CN108656796A (en) * | 2018-04-27 | 2018-10-16 | 南京惊兰谷根自动化科技有限公司 | A kind of blackboard for education of automatic scrubbing |
| CN108859525A (en) * | 2018-08-07 | 2018-11-23 | 常骏驰 | A kind of self-cleaning blackboard eraser |
| CN109203796A (en) * | 2018-10-27 | 2019-01-15 | 高宏福 | A kind of closed board wiper box |
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Application publication date: 20190823 |
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