CN206421684U - A kind of numerical digit teaching aid of primary school math teaching - Google Patents
A kind of numerical digit teaching aid of primary school math teaching Download PDFInfo
- Publication number
- CN206421684U CN206421684U CN201720059055.9U CN201720059055U CN206421684U CN 206421684 U CN206421684 U CN 206421684U CN 201720059055 U CN201720059055 U CN 201720059055U CN 206421684 U CN206421684 U CN 206421684U
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- cradling piece
- mobile bar
- hole
- vertical component
- 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 discloses a kind of numerical digit teaching aid of primary school math teaching, including bottom plate, the set portion of more than three is provided with the top of the bottom plate, the set portion is to mould integral structure with the bottom plate, cradling piece has been assigned in the set portion, polylith digital card is provided with the shaft of the cradling piece, the digital card has the ring portion for coordinating the cradling piece, multiple rack plates are provided with the plate face of the bottom plate, the support slot of circle is provided with the top of the rack plate, support is provided with the close right positions at the top of the bottom plate, the side of the support, which is extended transversely through, is provided with through hole, mobile bar is combined with the through hole, vertical component is formed after the left end vertical curve of the mobile bar, that one end of the vertical component away from the mobile bar is provided with home block, the vertical component coordinates the support slot；The present apparatus can effectively improve the learning interest of student, improve efficiency of giving lessons, and deepen student memory power.
Description
Technical field
The utility model is related to a kind of numerical digit teaching aid of primary school math teaching.
Background technology
It is existing to know that method is that teacher exists, it is necessary to carry out numerical digit guidance to pupil during primary school math teaching
Each numeral is write on blackboard, then instruction of papil is learnt, this kind mode of giving lessons is more traditional, it is impossible to preferably deepen
Raw study impression, therefore efficiency of giving lessons is more poor.
The content of the invention
The technical problems to be solved in the utility model be to provide it is a kind of can effectively improve the learning interest of student, raising is awarded
Class efficiency, deepens the numerical digit teaching aid of the primary school math teaching of student memory power.
To solve the above problems, the utility model is adopted the following technical scheme that：
A kind of numerical digit teaching aid of primary school math teaching, including bottom plate, are provided with more than three at the top of the bottom plate
Set portion, the set portion and the bottom plate assigned cradling piece to mould integral structure in the set portion, the set portion
The screw of the fixed cradling piece is provided with outer wall position, one is formed after three bendings of upper end forward end of the cradling piece
The suspended portion of " mouth " font, that one end of the cradling piece away from the set portion has threaded portion, and passes through the screw thread
Part is combined with cap portion, and polylith digital card is provided with the shaft of the cradling piece, and the digital card, which has, coordinates the branch
The ring portion of hack lever, is provided with multiple rack plates in the plate face of the bottom plate, and the rack plate is located at two adjacent sets
Between portion, the branch that circle is provided with the top of the first screw, the rack plate is combined between the rack plate and the bottom plate
Support groove, be provided with support at the close right positions at the top of the bottom plate, the side of the support extend transversely through be provided with it is logical
Hole, vertical component, the vertical component effect are formed after mobile bar, the left end vertical curve of the mobile bar are combined with the through hole
Divide the vertical mobile bar, that one end of the vertical component away from the mobile bar is provided with home block, the vertical component
Coordinate the support slot.
Preferably, multiple positioning holes are provided with the outer wall position of the mobile bar, the positioning hole is spherical pore, two
Spacing between the adjacent positioning hole is equal with the spacing between two pieces of adjacent stent pieces, is provided with the hole wall of the through hole
Coordinate the convex portion of the positioning hole, by the cooperation of positioning hole and convex portion, shifting can be realized during mobile bar is moved
The temporary transient positioning of lever, just vertical component coordinates support slot in position fixing process.
Preferably, the digital card is PVC plastic card.
Preferably, the cradling piece is hollow stainless steel.
The beneficial effects of the utility model are：The present apparatus can change numeral by digital card, and student is changed by oneself
Digital card, it is possible to achieve the memory for digits in digital card, when carrying out numerical digit memory, student is by operating mobile bar to complete mark
The movement of block, home block serves as decimal point, thus it is possible to vary digital numerical digit, deepens the memory of student, improves effect of giving lessons, raising
The manipulative ability of classmate, the structure of the present apparatus is relatively simple, and cost is more cheap, is adapted to promote the use of.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the side view of cradling piece；
Fig. 3 is the top view of mobile bar.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that advantage of the present utility model
It can be easier to be readily appreciated by one skilled in the art with feature, so as to make protection domain of the present utility model apparent clear and definite
Define.
Refering to a kind of numerical digit teaching aid of primary school math teaching shown in Fig. 1, Fig. 2 and Fig. 3, including bottom plate 1, at the bottom
The top of plate 1 is provided with the set portion 2 of more than three, and the set portion 2 is to mould integral structure with the bottom plate 1, in the set
The screw 201 that the fixed cradling piece 3 is provided with cradling piece 3, the outer wall position in the set portion 2 has been assigned in portion 2, it is described
The suspended portion 4 of " mouth " font is formed after three bendings of upper end forward end of cradling piece 3, the cradling piece 3 is away from the set
That one end in portion 2 has threaded portion（It is not shown）, and cap portion 5 is combined with by the threaded portion, in the cradling piece 3
Polylith digital card 6 is provided with shaft, the digital card 6 has the ring portion 601 for coordinating the cradling piece 3, in the bottom plate 1
Plate face on be provided with multiple rack plates 7, the rack plate 7 is located between two adjacent set portions 2, the rack plate 7 with
The first screw 701 is combined between the bottom plate 1, the top of the rack plate 7 is provided with the support slot 702 of circle, described
Support 8 is provided with the close right positions at the top of bottom plate 1, the side of the support 8, which is extended transversely through, is provided with through hole（Do not scheme
Show）, formation vertical component 901 after mobile bar 9, the left end vertical curve of the mobile bar 9 is combined with the through hole, it is described
The vertical mobile bar 9 of vertical component 901, that one end of the vertical component 901 away from the mobile bar 9 is provided with home block
902, the vertical component 901 coordinates the support slot 702.
Multiple positioning holes are provided with a preferred embodiment in the utility model, the outer wall position of the mobile bar 9
991, the positioning hole 991 is spherical pore, the spacing between two adjacent positioning holes 991 and two pieces of adjacent stent pieces 7 it
Between spacing it is equal, the convex portion for coordinating the positioning hole 991 is provided with the hole wall of the through hole（It is not shown）, pass through positioning
Hole and the cooperation of convex portion, can realize the temporary transient positioning of mobile bar, during mobile bar is moved in position fixing process just
Vertical component coordinates support slot.
A preferred embodiment in the utility model, the digital card 6 is PVC plastic card.
A preferred embodiment in the utility model, the cradling piece 7 is hollow stainless steel.
The beneficial effects of the utility model are：The present apparatus can change numeral by digital card, and student is changed by oneself
Digital card, it is possible to achieve the memory for digits in digital card, when carrying out numerical digit memory, student is by operating mobile bar to complete mark
The movement of block, home block serves as decimal point, thus it is possible to vary digital numerical digit, deepens the memory of student, improves effect of giving lessons, raising
The manipulative ability of classmate, the structure of the present apparatus is relatively simple, and cost is more cheap, is adapted to promote the use of.
General principle of the present utility model, principal character and advantage of the present utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, the utility model can also on the premise of the utility model spirit and scope are not departed from
There are various changes and modifications, these changes and improvements are both fallen within the range of claimed the utility model.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (4)
1. a kind of numerical digit teaching aid of primary school math teaching, it is characterised in that：Including bottom plate, it is provided with the top of the bottom plate
, to mould integral structure, cradling piece is assigned in the set portion, institute with the bottom plate in the set portion of more than three, the set portion
The screw of the fixed cradling piece, three bendings of upper end forward end of the cradling piece are provided with the outer wall position for stating set portion
The suspended portion of " mouth " font is formed afterwards, and that one end of the cradling piece away from the set portion has threaded portion, and passes through
The threaded portion is combined with cap portion, and polylith digital card is provided with the shaft of the cradling piece, and the digital card, which has, matches somebody with somebody
The ring portion of the cradling piece is closed, multiple rack plates are provided with the plate face of the bottom plate, the rack plate is located at two phases
Between the adjacent set portion, it is combined with the top of the first screw, the rack plate and is provided between the rack plate and the bottom plate
Circular support slot, is provided with support, the side of the support is extended transversely through at the close right positions at the top of the bottom plate
Through hole is provided with, vertical component is formed after mobile bar, the left end vertical curve of the mobile bar are combined with the through hole, institute
The vertical mobile bar of vertical component is stated, that one end of the vertical component away from the mobile bar is provided with home block, described
Vertical component coordinates the support slot.
2. the numerical digit teaching aid of primary school math teaching according to claim 1, it is characterised in that：The outer wall of the mobile bar
Multiple positioning holes are provided with position, the positioning hole is the spacing and two pieces between spherical pore, two adjacent positioning holes
Spacing between adjacent stent piece is equal, and the convex portion for coordinating the positioning hole is provided with the hole wall of the through hole.
3. the numerical digit teaching aid of primary school math teaching according to claim 1, it is characterised in that：The digital card is PVC
Plastic clip.
4. the numerical digit teaching aid of primary school math teaching according to claim 1, it is characterised in that：The cradling piece is hollow
Stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059055.9U CN206421684U (en) | 2017-01-19 | 2017-01-19 | A kind of numerical digit teaching aid of primary school math teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720059055.9U CN206421684U (en) | 2017-01-19 | 2017-01-19 | A kind of numerical digit teaching aid of primary school math teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421684U true CN206421684U (en) | 2017-08-18 |
Family
ID=59572481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720059055.9U Expired - Fee Related CN206421684U (en) | 2017-01-19 | 2017-01-19 | A kind of numerical digit teaching aid of primary school math teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206421684U (en) |
-
2017
- 2017-01-19 CN CN201720059055.9U patent/CN206421684U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20180119 |