CN209000241U - A kind of mental arithmetic demonstrating and practising device - Google Patents
A kind of mental arithmetic demonstrating and practising device Download PDFInfo
- Publication number
- CN209000241U CN209000241U CN201820728467.1U CN201820728467U CN209000241U CN 209000241 U CN209000241 U CN 209000241U CN 201820728467 U CN201820728467 U CN 201820728467U CN 209000241 U CN209000241 U CN 209000241U
- Authority
- CN
- China
- Prior art keywords
- movable plate
- mental arithmetic
- fixed number
- letter stencil
- number letter
- 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 mental arithmetic demonstrating and practising devices, including pedestal, storage box is fixedly connected at the top of the pedestal, and base top is connected with fixed number letter stencil, it is provided with storage box on the right side of the fixed number letter stencil, and is connected with movable plate at the top of fixed number letter stencil, the centre of the movable plate is fixedly connected with magnet, and movable plate is positively connected with digital card, and the centre of digital card is provided with sheet metal.The mental arithmetic demonstrating and practising device uses the structure of fixed number letter stencil, digital card and movable plate, actual operation is converted by mental arithmetic study, student can take action on one's own, simple and clear study mental arithmetic, the Classroom attention of student can more be attracted, improve the creativity consciousness and innovation ability of student, the study initiative and enthusiasm of mobilizing students, so as to improve the speed and effect of student's mental arithmetic, and the device is filled with a blank of primary school's mental arithmetic teaching aid, solves the shortcoming that mental arithmetic teaching can not operate.
Description
Technical field
The utility model relates to teaching equipment technical field, specially a kind of mental arithmetic demonstrating and practising device.
Background technique
Teaching is a kind of distinctive personnel training activity of the mankind composed by the religion of teacher and student, passes through this work
Dynamic, teacher guides student to learn and grasp cultural and technical knowledge and technical ability purposeful, planned and organizedly, promotes student's element
Matter improves, them is made to become people required for society.
Traditional teaching for pupil's mental arithmetic generallys use the mode memorize mechanicallyd and remembers to multiplication formula table,
This method is dry as dust for student, can not attract the Classroom attention of student, and is difficult to improve the creativity consciousness of student, no
The study initiative and enthusiasm of easy mobilizing students, it is slow so as to cause student's mental arithmetic speed and effect progress.
Utility model content
The purpose of this utility model is to provide a kind of mental arithmetic demonstrating and practising devices, to solve tradition mentioned above in the background art
The teaching for pupil's mental arithmetic generally use the mode memorize mechanicallyd multiplication formula table remembered, this method is to student
For it is dry as dust, the Classroom attention of student can not be attracted, and be difficult to improve the creativity consciousness of student, be not easy mobilizing students
Study initiative and enthusiasm, so as to cause the problem that student's mental arithmetic speed and effect progress are slow.
To achieve the above object, the utility model provides the following technical solutions: a kind of mental arithmetic demonstrating and practising device, including pedestal, institute
It states and is fixedly connected with storage box at the top of pedestal, and base top is connected with fixed number letter stencil, the right side of the fixed number letter stencil
It is provided with storage box, and is connected with movable plate at the top of fixed number letter stencil, the centre of the movable plate is fixedly connected with magnet, and
Movable plate is positively connected with digital card, and the centre of digital card is provided with sheet metal.
Preferably, the fixed number letter stencil and pedestal pass through glue bonding mode composition vertical fixed structure, and fixed number
Strip bulge structure is provided at the top of letter stencil.
Preferably, the back side of the digital card is to be fixedly connected, and digital card passes through sheet metal and work with sheet metal
Movable plate constitutes magnetic connection.
Preferably, the movable plate is two-section structure, and the bottom of movable plate is provided with groove structure, and movable plate is recessed
Slot structure and the strip bulge structure of fixed number letter stencil match, and the groove structure of movable plate and stationary digital slab are convex
The connection type for playing structure is to be slidably connected.
Preferably, there are two the magnet settings, and 2 magnet are corresponding with the position of movable plate two-section structure difference.
Compared with prior art, the utility model has the beneficial effects that the mental arithmetic demonstrating and practising device uses fixed number letter stencil, number
The structure of card and movable plate converts actual operation for mental arithmetic study, student can take action on one's own, simple and clear
Mental arithmetic is practised, can more attract the Classroom attention of student, improve the creativity consciousness and innovation ability of student, the study of mobilizing students
Initiative and enthusiasm, so as to improve the speed and effect of student's mental arithmetic, and the device is filled with primary school's mental arithmetic teaching
One blank of teaching aid solves the shortcoming that mental arithmetic teaching can not operate.The fixed number letter stencil and pedestal of the device pass through glue
Bonding mode constitutes vertical fixed structure, and strip bulge structure is provided at the top of fixed number letter stencil, the vertical fixed structure
It is able to maintain the device when in use steadily, and can be improved the visual range of the device, make student intuitive
The content seeing its surface and being shown, and its strip bulge structure can be matched with the groove structure of movable plate, for work
Movable plate provides support effect, and the back side of digital card is to be fixedly connected, and digital card passes through sheet metal and activity with sheet metal
Plate constitutes magnetic connection, which enables digital card to be adsorbed on activity plate surface, and its magnetism connection, be more convenient to operate
Replacement of the person to digital card, thus the operation for the student that is more convenient for, movable plate is two-section structure, and the bottom of movable plate is provided with
Groove structure, and the strip bulge structure of the groove structure of movable plate and fixed number letter stencil matches, and the groove of movable plate
Structure and the connection type of stationary digital slab bulge-structure are to be slidably connected, which can provide for digital card
Support enables digital card and fixed number letter stencil to form the formula of longitudinal form, simple and clear displaying formula content, more
Convenient for the Understanding memory of student, and it is slidably connected, and student is switched fast between different formulas, is more convenient for grasping
Make, there are two magnet settings, and 2 magnet are corresponding with the position of movable plate two-section structure difference, which makes movable plate
Sucking action can be played to two groups of digital cards simultaneously, allow digital card that can be fixed on its surface, it is complete convenient for displaying one
Whole formula, and the attraction of magnet is smaller, and student will not be hindered to be more convenient to operate the exchange of digital card.
Detailed description of the invention
Fig. 1 is the utility model positive structure diagram；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is the utility model backsight structural representation.
In figure: 1, fixed number letter stencil, 2, pedestal, 3, digital card, 4, movable plate, 5, magnet, 6, sheet metal, 7, storage
Box.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of mental arithmetic demonstrating and practising device, including pedestal 2, pedestal 2
Top be fixedly connected with storage box 7, and fixed number letter stencil 1 is connected at the top of pedestal 2, fixed number letter stencil 1 and pedestal 2 pass through glue
Water bonding mode constitutes vertical fixed structure, and the top of fixed number letter stencil 1 is provided with strip bulge structure, the vertical fixed knot
Structure is able to maintain the device when in use steadily, and can be improved the visual range of the device, makes student straight
The content seeing its surface and being shown seen, and its strip bulge structure can be matched with the groove structure of movable plate 4, be
Movable plate 4 provides support effect, and the right side of fixed number letter stencil 1 is provided with storage box 7, and the top of fixed number letter stencil 1 is connected with
Movable plate 4, movable plate 4 are two-section structure, and the bottom of movable plate 4 is provided with groove structure, and the groove structure of movable plate 4 and
The strip bulge structure of fixed number letter stencil 1 matches, and 1 strip bulge knot of the groove structure of movable plate 4 and fixed number letter stencil
The connection type of structure is to be slidably connected, which can provide support for digital card 3, enables 3 with of digital card
Fixed number letter stencil 1 forms the formula of longitudinal form, simple and clear displaying formula content, the Understanding memory for the student that is more convenient for, and
It is slidably connected, and student is switched fast between different formulas, is more convenient to operate, the intermediate fixed company of movable plate 4
It is connected to magnet 5, and movable plate 4 is positively connected with digital card 3, there are two the settings of magnet 5, and 2 magnet 5 and movable plate 4
The position difference of two-section structure is corresponding, which enables movable plate 4 to play attraction work to two groups of digital cards 3 simultaneously
With, allow digital card 3 that can be fixed on its surface, convenient for showing a complete formula, and the attraction of magnet 5 is smaller,
Student will not be hindered to be more convenient to operate the exchange of digital card 3, and the centre of digital card 3 is provided with sheet metal 6, number
The back side of word card 3 is to be fixedly connected, and digital card 3 constitutes magnetic connection by sheet metal 6 and movable plate 4 with sheet metal 6,
The structure enables digital card 3 to be adsorbed on 4 surface of movable plate, and its magnetism connection, and the person of being more convenient to operate is to digital card 3
Replacement, thus the operation for the student that is more convenient for.
Working principle: when using the mental arithmetic demonstrating and practising device, first check that the device is damaged with the presence or absence of part or is not connected firmly
The case where, it is carried out again after inspection is errorless using then operator, will by the front of 3 alignment activity plate of digital card, 4 two-section structure
It is connect by sheet metal 6 with the magnetism of magnet 5 with the digital card 3 of Arabic numerals, is adjacent to absorption and is cut off with 4 liang of movable plate
The upper portion of structure is adjacent to the lower section of absorption Yu 4 two-section structure of movable plate, so for the digital card 3 of oeprator
The groove structure for passing through 4 bottom of movable plate afterwards is inserted in the strip bulge structure at 1 top of fixed number letter stencil, then passes through work
Movable plate 4 and fixed number letter stencil 1 are slidably connected, and movable plate 4 are carried out longitudinal to the Arabic numerals with 1 surface of fixed number letter stencil
The position flushed forms a complete formula, student is made to carry out mental arithmetic rehearsal, operator can by movable plate 4 freely to
Left or carry out to the right, a training of students addend of doing a sum orally is constant, and constant, the long-pending variation of changing rule or a factor
Rule, then operator can also be connected by the magnetic of digital card 3 and movable plate 4, by digital card 3 from the table of movable plate 4
Face is directly extractd and is taken down, and is put into storage box 7, then will contain other digital or oeprator digital cards 3 in storage box 7
It takes out and is adjacent to 4 front of movable plate, the mental arithmetic for carrying out other formulas is drilled, and here it is the working principles of the mental arithmetic demonstrating and practising device.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of mental arithmetic demonstrating and practising device, including pedestal (2), it is characterised in that: be fixedly connected with storage box at the top of the pedestal (2)
(7), it and at the top of pedestal (2) is connected with fixed number letter stencil (1), is provided with storage box (7) on the right side of the fixed number letter stencil (1),
And movable plate (4) are connected at the top of fixed number letter stencil (1), the centre of the movable plate (4) is fixedly connected with magnet (5), and
Movable plate (4) is positively connected with digital card (3), and the centre of digital card (3) is provided with sheet metal (6).
2. a kind of mental arithmetic demonstrating and practising device according to claim 1, it is characterised in that: the fixed number letter stencil (1) and pedestal (2)
Vertical fixed structure is constituted by glue bonding mode, and is provided with strip bulge structure at the top of fixed number letter stencil (1).
3. a kind of mental arithmetic demonstrating and practising device according to claim 1, it is characterised in that: the back side of the digital card (3) and gold
Belonging to piece (6) is to be fixedly connected, and digital card (3) constitutes magnetism with movable plate (4) by sheet metal (6) and connect.
4. a kind of mental arithmetic demonstrating and practising device according to claim 1, it is characterised in that: the movable plate (4) is two-section structure,
The bottom of movable plate (4) is provided with groove structure, and the strip bulge of the groove structure of movable plate (4) and fixed number letter stencil (1)
Structure matches, and the connection type of the groove structure of movable plate (4) and fixed number letter stencil (1) strip bulge structure is sliding
Connection.
5. a kind of mental arithmetic demonstrating and practising device according to claim 1, it is characterised in that: there are two magnet (5) settings, and 2
A magnet (5) is corresponding with the position difference of movable plate (4) two-section structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728467.1U CN209000241U (en) | 2018-05-16 | 2018-05-16 | A kind of mental arithmetic demonstrating and practising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820728467.1U CN209000241U (en) | 2018-05-16 | 2018-05-16 | A kind of mental arithmetic demonstrating and practising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000241U true CN209000241U (en) | 2019-06-18 |
Family
ID=66794825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820728467.1U Expired - Fee Related CN209000241U (en) | 2018-05-16 | 2018-05-16 | A kind of mental arithmetic demonstrating and practising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000241U (en) |
-
2018
- 2018-05-16 CN CN201820728467.1U patent/CN209000241U/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: 20190618 Termination date: 20200516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |