CN209015439U - Portable abacus teaching demonstration device - Google Patents
Portable abacus teaching demonstration device Download PDFInfo
- Publication number
- CN209015439U CN209015439U CN201821084083.7U CN201821084083U CN209015439U CN 209015439 U CN209015439 U CN 209015439U CN 201821084083 U CN201821084083 U CN 201821084083U CN 209015439 U CN209015439 U CN 209015439U
- Authority
- CN
- China
- Prior art keywords
- display board
- random number
- generating random
- display
- teaching demonstration
- 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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- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model belongs to mathematics teaching aid field, more particularly to a kind of portable abacus teaching demonstration device, including display board and two generating random number devices, generating random number device includes signal transceiver again, acquire equipment, processor and output equipment, the output equipment is display screen, two display screens are horizontally installed on the front end face of display board, generating random number button is additionally provided on the front end face of display board, two generating random number buttons are connect with two signal transceiver signals of two generating random number devices respectively, several upper hopper chutes and gliding groove are additionally provided on the front end face of display board, the bottom of each upper hopper chute and gliding groove is respectively and fixedly provided with iron plate, magnet block is adsorbed on each iron plate, magnetic shield is respectively and fixedly provided on the outside of each magnet block, slide block is respectively and fixedly provided on the outside of each magnetic shield, main handle is further fixed at the top of display board.The utility model effectively increases the efficiency of giving lessons of mathematics teacher.
Description
Technical field
The utility model relates to a kind of portable abacus teaching demonstration devices, belong to mathematics teaching aid field.
Background technique
The use of abacus is the essential content of courses during primary school math teaching, mainly includes that abacus is counted and calculated
Disc gage calculates two aspects.In traditional abacus teaching, since abacus bead has Gravitative Loads, mathematics teacher can not erect abacus
It is directly placed on blackboard and is demonstrated, can only be given an oral account teacher, be imparted knowledge to students by way of student's operation, this teaching method is not
Understand conducive to the study of student, also, mathematics teacher needs repeatedly to write number or formula on blackboard, is calculated so that student uses
Disk operation practice, it is very troublesome, reduce the efficiency of giving lessons of mathematics teacher.
Utility model content
According to the above-mentioned deficiencies in the prior art, technical problem to be solved by the utility model is: one kind is provided can be effective
Mathematics teacher is improved to give lessons the portable abacus teaching demonstration device of efficiency.
Portable abacus teaching demonstration device described in the utility model, including display board and two generating random number devices,
Generating random number device includes signal transceiver, acquisition equipment, processor and output equipment again, and the output equipment is display
Screen, two display screens are horizontally installed on the front end face of display board, are additionally provided on the front end face of display board a pair of with two display screen one
The generating random number button answered, two generating random number buttons connect with two signal transceiver signals of two generating random number devices respectively
It connects, several upper hopper chutes and gliding groove is additionally provided on the front end face of display board, each upper hopper chute and gliding groove correspond, each upper hopper chute
It is respectively and fixedly provided with iron plate with the bottom of gliding groove, magnet block is adsorbed on each iron plate, is respectively and fixedly provided on the outside of each magnet block every magnetic
It covers, is respectively and fixedly provided with slide block on the outside of each magnetic shield, main handle is further fixed at the top of display board.
Above-mentioned display board is equipped with abacus contour line corresponding with upper hopper chute and gliding groove, keeps student more intuitive
See teacher abacus demonstration；Above-mentioned display board is equipped with formula contour line corresponding with two display screens, makes student can
More intuitively to watch formula；The right end of above-mentioned display board is hinged with cover board, is correspondingly provided with fixed company on cover board and display board
Fitting, cover board are equipped with groove, and secondary handle corresponding with main handle is fixed at the top of cover board, raw to display screen, random number
It shields at button and slide block；It is equipped in above-mentioned groove and writes area, effectively increase writing region area.
Possessed beneficial effect is the utility model compared with prior art:
The operating process of mathematics teacher can be showed by portable abacus teaching demonstration device described in the utility model
It is raw, understand convenient for the study of student, also, mathematics teacher can give birth at random number by generating random number device, without repeatedly writing
Number or formula, effectively increase the efficiency of giving lessons of mathematics teacher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of slide block and magnet block in Fig. 1；
Fig. 3 is the structural schematic diagram of the preferred embodiment in the utility model.
In figure: 1, display board；2, slide block；3, gliding groove；4, iron plate；5, upper hopper chute；6, generating random number button；7, it shows
Display screen；8, main handle；9, magnet block；10, magnetic shield；11, fixedly connected part；12, abacus contour line；13, formula contour line；
14, cover board；15, groove；16, area is write；17, secondary handle.
Specific embodiment
The embodiments of the present invention are described further with reference to the accompanying drawing:
As shown in Figure 1 to Figure 3, portable abacus teaching demonstration device described in the utility model, including display board 1 and two
Generating random number device, generating random number device includes signal transceiver, acquires equipment, processor and output equipment again, described
Output equipment be display screen 7, two display screens 7 are horizontally installed on the front end face of display board 1, on the front end face of display board 1 also
Equipped with the one-to-one generating random number button 6 of two display screen 7, two generating random number buttons 6 respectively with two generating random numbers
Two signal transceiver signals of device connect, and several upper hopper chutes 5 and gliding groove 3, each upper cunning are additionally provided on the front end face of display board 1
Slot 5 and gliding groove 3 correspond, and the bottom of each upper hopper chute 5 and gliding groove 3 is respectively and fixedly provided with iron plate 4, are adsorbed on each iron plate 4
Magnet block 9, the outside of each magnet block 9 are respectively and fixedly provided with magnetic shield 10, and the outside of each magnetic shield 10 is respectively and fixedly provided with slide block 2, show
The top of plate 1 is further fixed on main handle 8.
In preferred embodiment: display board 1 is equipped with abacus contour line 12 corresponding with upper hopper chute 5 and gliding groove 3, makes to learn
Life can more intuitively see the abacus demonstration of teacher；Display board 1 is equipped with formula contour line corresponding with two display screens 7
13, so that student is more intuitively watched formula；The right end of display board 1 is hinged with cover board 14, and cover board 14 is corresponding on display board 1
Equipped with fixedly connected part 11, cover board 14 is equipped with groove 15, and the top of cover board 14 is fixed with secondary handle corresponding with main handle 8
17, it shields to display screen 7, generating random number button 6 and slide block 2；It is equipped in groove 15 and writes area 16, effectively increased
Write region area.
In use, opening cover board 14, the utility model is hung on blackboard by main handle 8 and secondary handle 17, mathematics religion
Teacher can show random number on corresponding display screen 7 by operating generating random number button 6, number when explaining abacus counting
Above-mentioned numerical value can be demonstrated by sliding slide block 2 by learning teacher；Mathematics teacher can pass through operation when explaining abacus calculating respectively
Two generating random number buttons 6 show random number on two display screens 7, and write between two display screens 7 and calculate symbol,
"=" is write on the right side of display screen 7, and mathematics teacher can demonstrate the formula of above-mentioned generation by sliding slide block 2.
Portable abacus teaching demonstration device described in the utility model, structure is simple, easy to carry, using upper hopper chute 5,
Gliding groove 3, iron plate 4 and magnet block 9 form simulation type abacus, and mathematics teacher is made operating process intuitively can be showed student,
Understand convenient for the study of student, also, mathematics teacher can give birth at random number by generating random number device, without repeatedly writing number
Or formula, effectively increase the efficiency of giving lessons of mathematics teacher.
Claims (5)
1. a kind of portable abacus teaching demonstration device, including display board (1) and two generating random number devices, generating random number dress
It sets and includes signal transceiver, acquisition equipment, processor and output equipment, it is characterised in that: the output equipment is display
Shield (7), two display screens (7) are horizontally installed on the front end face of display board (1), are additionally provided on the front end face of display board (1) and two
The one-to-one generating random number button (6) of display screen (7), two generating random number buttons (6) are filled with two generating random numbers respectively
The two signal transceiver signals set connect, and are additionally provided with several upper hopper chutes (5) and gliding groove (3) on the front end face of display board (1), respectively
Upper hopper chute (5) and gliding groove (3) correspond, and the bottom of each upper hopper chute (5) and gliding groove (3) is respectively and fixedly provided with iron plate (4), each iron
It is adsorbed on piece (4) magnet block (9), is respectively and fixedly provided with magnetic shield (10) on the outside of each magnet block (9), outside each magnetic shield (10)
Side is respectively and fixedly provided with slide block (2), and main handle (8) are further fixed at the top of display board (1).
2. portable abacus teaching demonstration device according to claim 1, it is characterised in that: on the display board (1)
Equipped with abacus contour line (12) corresponding with upper hopper chute (5) and gliding groove (3).
3. portable abacus teaching demonstration device according to claim 1 or 2, it is characterised in that: the display board (1)
It is equipped with formula contour line (13) corresponding with two display screens (7).
4. portable abacus teaching demonstration device according to claim 1 or 2, it is characterised in that: the display board (1)
Right end be hinged with cover board (14), be correspondingly provided with fixedly connected part (11) on cover board (14) and display board (1), cover board is set on (14)
Fluted (15) are fixed with secondary handle (17) corresponding with main handle (8) at the top of cover board (14).
5. portable abacus teaching demonstration device according to claim 4, it is characterised in that: set in the groove (15)
There are writing area (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084083.7U CN209015439U (en) | 2018-07-10 | 2018-07-10 | Portable abacus teaching demonstration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821084083.7U CN209015439U (en) | 2018-07-10 | 2018-07-10 | Portable abacus teaching demonstration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209015439U true CN209015439U (en) | 2019-06-21 |
Family
ID=66829893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821084083.7U Expired - Fee Related CN209015439U (en) | 2018-07-10 | 2018-07-10 | Portable abacus teaching demonstration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209015439U (en) |
-
2018
- 2018-07-10 CN CN201821084083.7U patent/CN209015439U/en not_active Expired - Fee Related
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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: 20190621 Termination date: 20210710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |