CN207670057U - A kind of packaged type electric erasing blackboard for education - Google Patents
A kind of packaged type electric erasing blackboard for education Download PDFInfo
- Publication number
- CN207670057U CN207670057U CN201721343311.3U CN201721343311U CN207670057U CN 207670057 U CN207670057 U CN 207670057U CN 201721343311 U CN201721343311 U CN 201721343311U CN 207670057 U CN207670057 U CN 207670057U
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- plate body
- returning face
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Abstract
The utility model discloses a kind of packaged type electric erasing blackboard for education,Including plate body,Returning face plate,Supporting rod and pedestal,The plate body is in cuboid,Plate body and returning face plate are rotatablely connected by turnover device,The returning face plate includes frame,It is dust-proof chamber on the inside of returning face plate,The dust-proof intracavitary is equipped with scrubbing brush,It is equipped with track along its length in frame,The scrubbing brush is slidably installed in orbit,It is equipped with pumping rod in scrubbing brush side,The present apparatus is by being arranged the returning face plate with plate body rotation connection,It can be bonded with the plate body back side when carrying out teaching writing,Reduce occupied space,It can fit with plate body front face when chalk trace is cleared up on to plate body,Chalk dust is avoided to fly upward,And then sucking dust is avoided to damage human body,Returning face plate can be routed up after the completion of cleaning and chalk powder is focused on,And the process three-way motor to erase the board is completed,Laborious operation is not needed to complete,It is easy to use,Save manpower.
Description
Technical field
The utility model is related to a kind of educational aid, specifically a kind of packaged type electric erasing blackboard for education.
Background technology
Blackboard is the auxiliary tool that must be used during mathematical education, and after traditional blackboard writing is full, teacher uses again
Blackboard eraser will be write and take down notes wiped clean, and the labor intensity of teacher is increased, and a large amount of time is caused to waste so that teaching effect
Rate is low.In addition, during wiping, a large amount of dust can be generated simultaneously in air, teaching environment is polluted, with teacher
Breathing with student enters in human body, is unfavorable for the health of teaching process Ability of Normal School Students.
Utility model content
The purpose of this utility model is to provide a kind of packaged type electric erasing blackboard for education, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of packaged type electric erasing blackboard for education, including plate body, returning face plate, supporting rod and pedestal, the plate body are in
Cuboid, plate body and returning face plate are rotatablely connected by turnover device, and the returning face plate includes frame, are dust-proof on the inside of returning face plate
Chamber, the dust-proof intracavitary are equipped with scrubbing brush, are equipped with track along its length in frame, and the scrubbing brush is slidably installed in orbit,
It is equipped with pumping rod in scrubbing brush side, the length of pumping rod is identical as the length of frame, and pumping rod is stretched out and connected from frame facet
There is handle；The supporting rod is fixed on the base, and plate body is fixed on post upper；The turnover device includes being fixed on plate body
The main shaft of side, main shaft are equipped with rocking bar, and the rocker front end is equipped with swing rod by articulated shaft, and swing rod front end is fixed on
The quantity of frame lateral surface, the turnover device is two groups.
As further program of the utility model：The bottom of the pumping rod is equipped with rack, and motor is equipped on frame,
Motor is engaged by motor shaft connection gear, gear with the rack of pumping rod, and the inside of the pumping rod is equipped with sliding slot, on frame
Equipped with pulley outstanding, pulley is embedded in a manner of being slidably connected in sliding slot.
As further program of the utility model：The lower portion is additionally provided with controller, and the controller includes core
Piece IC1, chip IC 3, diode D1 and crystal oscillator X, the other end connection of the pin 5 connecting valve S1, switch S1 of the chip IC 1
Switch S2, resistance R4, resistance R6, resistance R7, the anode of diode D4, power supply VCC, the pin 16 of chip IC 1, chip IC 2
The cathode of the pin 2 of pin 1, the pin 13 of chip IC 3 and chip IC 4, diode D4 connects resistance R1, the other end of resistance R1
The base stage of the collector of connecting triode V2, triode V2 connects resistance R2, the pin of the other end connection chip IC 1 of resistance R2
15, the pin 14 of chip IC 1 connects resistance R3, the anode of the other end connection diode D1 of resistance R3, the cathode of diode D1
Connect the transmitting of capacitance C1, capacitance C2, capacitance C3, resistance R5, resistance R8, resistance R9, the emitter of triode V2, triode V3
Pole, the pin 8 of chip IC 1 and chip IC 2 pin 3, the pin 12 of chip IC 1 connects crystal oscillator X and the capacitance C1 other ends, chip
The pin 13 of IC1 connects the other end of the other end and crystal oscillator X of capacitance C2, the base of the 2 connecting triode V3 of pin of chip IC 2
Pole, the pin 14 of the other end and chip IC 3 of the collector connection resistance R4 of triode V3, the pin 1 of chip IC 3 connect resistance
The other end of the other end and capacitance C3 of R5, the pin 5 of chip IC 3 connect the anode of diode D3, and the cathode of diode D3 connects
The pin 1 of the other end of connecting resistance R6, the other end of resistance R8, the pin 3 of chip IC 4 and chip IC 5, the cathode of diode D2
The other end of resistance R7, the pin 3 of the other end of resistance R9, the pin 1 of chip IC 4 and chip IC 5 are connected, chip IC 4 is drawn
Foot 4 connects motor M and capacitance C4, the pin 4 of the other end and chip IC 5 of the other end connection capacitance C4 of motor M, the chip
The model BA5104 of IC1, the model CX20106 of chip IC 2, the model BA5204 of chip IC 3, chip IC 4 and chip
The model of IC5 is LM321.
As further program of the utility model：The one side contacted with plate body on the frame is equipped with rubber gasket.
As the utility model further scheme：The scrubbing brush has soft bristle.
As the utility model further scheme：The motor is direct current generator.
Compared with prior art, the utility model has the beneficial effects that：The present apparatus is by being arranged and plate body rotation connection
Returning face plate can be bonded when carrying out teaching writing with the plate body back side, reduce occupied space, the chalk trace on to plate body
It can fit with plate body front face when cleaning, chalk dust is avoided to fly upward, and then sucking dust is avoided to make human body
The process three-way motor that can be routed up returning face plate at injury, after the completion of cleaning and be focused on to chalk powder, and erase the board is completed,
Laborious operation is not needed to complete, it is easy to use, save manpower.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the vertical view of the utility model.
Fig. 3 is the internal structure schematic diagram of returning face plate in the utility model.
Fig. 4 is the annexation figure of pumping rod and frame.
The circuit diagram of Fig. 5 devices in order to control.
1- plate bodys in figure, 2- returning face plates, 21- frames, the dust-proof chambers of 22-, 23- scrubbing brushes, 24- pumping rods, 25- handles, 26- rails
Road, 27- sliding slots, 28- pulleys, 3- turnover devices, 31- main shafts, 32- rocking bars, 33- swing rods, 34- articulated shafts, 4- supporting rods, 5-
Pedestal, 6- universal wheels, 7- motors, 71- motor shafts, 8- gears.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~5, in the utility model embodiment, a kind of packaged type electric erasing blackboard for education, including plate body
1, returning face plate 2, supporting rod 4 and pedestal 5, the plate body 1 are in cuboid, and plate body 1 and returning face plate 2 are rotated by turnover device 3
Connection, the returning face plate 2 include frame 21, and one side contact with plate body 1 on frame 21 is equipped with rubber gasket, in returning face plate 2
Side is dust-proof chamber 22, is equipped with scrubbing brush 23 in the dust-proof chamber 22, is equipped with track 26, the scrubbing brush along its length in frame 21
23 are slidably mounted on track 26, and pumping rod 24, the length of pumping rod 24 and the length phase of frame 21 are equipped in 23 side of scrubbing brush
Together, pumping rod 24 stretches out from 21 side of frame and is connected with handle 25, and the bottom of pumping rod 24 is equipped with rack, is installed on frame 21
There is motor 7, motor 7 to be engaged with the rack of pumping rod 24 by 71 connection gear 8 of motor shaft, gear 8, the pumping rod 24 it is interior
Side is equipped with sliding slot 27, and frame 21 is equipped with pulley outstanding, and pulley is embedded in a manner of being slidably connected in sliding slot 27, passes through electricity
Machine 7 is rotated with moving gear 8, and the rotation of gear 8 drives the pumping rod 24 being engaged with to move in the horizontal direction and then drives scrubbing brush 23
It moves back and forth along track 26, scrubbing brush 23 has soft bristle；The supporting rod 4 is fixed on pedestal 5, and plate body 1 is fixed on
4 upper end of supporting rod；The bottom of pedestal 5 is additionally provided with multiple universal wheels 6, facilitates the mobile use of the present apparatus.
The turnover device 3 includes the main shaft 31 for being fixed on 1 side of plate body, and main shaft 31 is equipped with rocking bar 32, described
32 front end of rocking bar is equipped with swing rod 33 by articulated shaft 34, and 33 front end of swing rod is fixed on turnover device 3 described in 21 lateral surface of frame
Quantity be two groups；
When carrying out teaching, returning face plate 2 can be overturn to 1 back side of plate body, so reduce device the space occupied and
Facilitate and write, when being wiped and cleaned to plate body 1, returning face plate 2 can be overturn to 1 front of plate body, make frame 21 and plate
1 front face gluing, sealing of body starts motor 8 by the switch on controller, drives pumping rod 24 to move back and forth, keep scrubbing brush 23 right
1 surface of plate body is cleared up, and avoids chalk powder from flying upward by dust-proof chamber 22, and then sucking dust is avoided to damage human body,
Returning face plate 2 can be routed up after the completion of cleaning and chalk powder is focused on, it is easy to use.
The physical circuit of controller is as shown in figure 5, in use, after pushing button S1.Infrared light-emitting diode D4 launches
Infrared ray after coding, IC2 will be sent in chip IC 3 after the infrared signal received amplification, reverse phase and be decoded, and make IC3
5 feet export high level to the in-phase input end and chip IC 5 of thin chip IC 4 inverting input.Make the same mutually defeated of chip IC 4
Enter terminal potential and be higher than anti-phase input terminal potential, the anti-phase input terminal potential of chip IC 5 is higher than homophase input terminal potential, IC4 outputs
4 feet are held to export high level, 4 feet of IC5 are low level, and driving motor M is rotated in the forward direction.Same reason shines when pressing S2
Diode D1 sends out different coded infrared light signals, after chip IC 2 receives, the 7 feet output high level letter of driving chip IC3
Number, so that the homophase input terminal potential of chip IC 5 is higher than anti-phase input terminal potential, the anti-phase input terminal potential of chip IC 4 is higher than same
Mutually input terminal potential, 4 foot of IC5 output ends export high level, and 4 feet of IC4 are low level, to driving motor M reversions, pass through electricity
The action of machine M can easily control the reciprocating motion of scrubbing brush 23, achieve the purpose that electronic erase the board.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of packaged type electric erasing blackboard for education, including plate body, returning face plate, supporting rod and pedestal, which is characterized in that institute
It is in cuboid to state plate body, and plate body and returning face plate be rotatablely connected by turnover device, and the returning face plate includes frame, in returning face plate
Side is dust-proof chamber, and the dust-proof intracavitary is equipped with scrubbing brush, is equipped with track along its length in frame, and the scrubbing brush is slidably mounted on
On track, it is equipped with pumping rod in scrubbing brush side, the length of pumping rod is identical as the length of frame, and pumping rod is stretched out from frame facet
And it is connected with handle；The supporting rod is fixed on the base, and plate body is fixed on post upper；The turnover device includes fixing
Main shaft in plate body side, main shaft are equipped with rocking bar, and the rocker front end is equipped with swing rod, swing rod front end by articulated shaft
It is fixed on frame lateral surface, the quantity of the turnover device is two groups.
2. a kind of packaged type electric erasing blackboard for education according to claim 1, which is characterized in that the pumping rod
Bottom is equipped with rack, and motor is equipped on frame, and motor is engaged by motor shaft connection gear, gear with the rack of pumping rod,
The inside of the pumping rod is equipped with sliding slot, and frame is equipped with pulley outstanding, and pulley is embedded in sliding slot in a manner of being slidably connected
It is interior.
3. a kind of packaged type electric erasing blackboard for education according to claim 1, which is characterized in that the lower portion
It is additionally provided with controller, the controller includes chip IC 1, chip IC 3, diode D1 and crystal oscillator X, the pin 5 of the chip IC 1
Other end connecting valve S2, resistance R4, resistance R6, resistance R7, the anode of diode D4, the power supply of connecting valve S1, switch S1
The pin 2 of VCC, the pin 16 of chip IC 1, the pin 1 of chip IC 2, the pin 13 of chip IC 3 and chip IC 4, diode D4's
Cathode connects resistance R1, and the base stage of the collector of the other end connecting triode V2 of resistance R1, triode V2 connects resistance R2, electricity
The pin 15 of the other end connection chip IC 1 of R2 is hindered, the pin 14 of chip IC 1 connects resistance R3, the other end connection of resistance R3
The cathode of the anode of diode D1, diode D1 connects capacitance C1, capacitance C2, capacitance C3, resistance R5, resistance R8, resistance R9, three
The pin 3 of the emitter of pole pipe V2, the emitter of triode V3, the pin 8 of chip IC 1 and chip IC 2, the pin of chip IC 1
12 connection crystal oscillator X and the capacitance C1 other ends, the pin 13 of chip IC 1 connect the other end of the other end and crystal oscillator X of capacitance C2, core
The base stage of the 2 connecting triode V3 of pin of piece IC2, the other end of the collector connection resistance R4 of triode V3 and chip IC 3
Pin 14, the pin 1 of chip IC 3 connect the other end of the other end and capacitance C3 of resistance R5, the connection of pin 5 two of chip IC 3
The anode of pole pipe D3, the other end of cathode connection resistance R6 of diode D3,3 and of pin of the other end of resistance R8, chip IC 4
The pin 1 of chip IC 5, the other end of cathode connection resistance R7 of diode D2, the pin 1 of the other end of resistance R9, chip IC 4
Motor M and capacitance C4 is connected with the pin 4 of the pin 3 of chip IC 5, chip IC 4, the other end connection capacitance C4's of motor M is another
The pin 4 of one end and chip IC 5, the model BA5104 of the chip IC 1, the model CX20106 of chip IC 2, chip IC 3
Model BA5204, the model of chip IC 4 and chip IC 5 is LM321.
4. a kind of packaged type electric erasing blackboard for education according to claim 1, which is characterized in that on the frame with
The one side of plate body contact is equipped with rubber gasket.
5. a kind of packaged type electric erasing blackboard for education according to claim 1, which is characterized in that the scrubbing brush has
Soft bristle.
6. a kind of packaged type electric erasing blackboard for education according to claim 2, which is characterized in that the motor is straight
Galvanic electricity machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343311.3U CN207670057U (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721343311.3U CN207670057U (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207670057U true CN207670057U (en) | 2018-07-31 |
Family
ID=62953352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721343311.3U Expired - Fee Related CN207670057U (en) | 2017-10-18 | 2017-10-18 | A kind of packaged type electric erasing blackboard for education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207670057U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757996A (en) * | 2019-11-29 | 2020-02-07 | 济南市济阳区仁风镇中心小学 | Automatic blackboard wiping device capable of isolating dust |
| CN111993818A (en) * | 2020-08-29 | 2020-11-27 | 芜湖宏嘉科技有限公司 | Teaching board for intelligent teaching |
-
2017
- 2017-10-18 CN CN201721343311.3U patent/CN207670057U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757996A (en) * | 2019-11-29 | 2020-02-07 | 济南市济阳区仁风镇中心小学 | Automatic blackboard wiping device capable of isolating dust |
| CN111993818A (en) * | 2020-08-29 | 2020-11-27 | 芜湖宏嘉科技有限公司 | Teaching board for intelligent 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 Termination date: 20191018 |