CN206493768U - A kind of chi tool of primary school math teaching - Google Patents
A kind of chi tool of primary school math teaching Download PDFInfo
- Publication number
- CN206493768U CN206493768U CN201621352609.6U CN201621352609U CN206493768U CN 206493768 U CN206493768 U CN 206493768U CN 201621352609 U CN201621352609 U CN 201621352609U CN 206493768 U CN206493768 U CN 206493768U
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- CN
- China
- Prior art keywords
- chi
- plate
- chi bar
- bar
- plug
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of chi of primary school math teaching tool, including plate body and plug-in unit, the first chi bar is provided with the outer ring position of the plate body, portable plate is provided with the top of the plate body, the second chi bar is provided with the outer ring position of the portable plate, cover plate is provided with the top of the portable plate, the cover plate, bolt is combined between portable plate and plate body, the surface of the first chi bar and the second chi bar is provided with scale strip, the plug-in unit is semicircle, the plug-in unit has two slots, the first chi bar and the second chi bar are assigned into the slot, when the first chi bar and the second chi bar coordinate in the slot, the first chi bar is parallel to each other with the second chi bar, sleeve is provided with the Inner arc position of the plug-in unit, translation accessory plate is combined with by the sleeve；The chi of the present apparatus one is used, and can be met teaching and be used needs, be adapted to promote the use of.
Description
Technical field
The utility model is related to a kind of chi tool of primary school math teaching.
Background technology
It is of the prior art, it is necessary to commonly using to chi tool, have the setting-out on blackboard by chi in primary school math teaching
Chi tool is divided into ruler, set square and bevel protractor, and a variety of chi tools are applied in combination, use and more bother, and chi tool is teacher
Carry, more bothered while carrying three kinds of chi tools.
The content of the invention
The technical problems to be solved in the utility model is to provide a kind of chi of the primary school math teaching served many purposes
Tool.
To solve the above problems, the utility model is adopted the following technical scheme that：
The is provided with a kind of chi tool of primary school math teaching, including plate body and plug-in unit, the outer ring position of the plate body
One chi bar, is provided with portable plate, the outer ring position of the portable plate at the top of the plate body and is provided with the second chi bar, in institute
State and cover plate is provided with the top of portable plate, bolt, first chi article and are combined between the cover plate, portable plate and plate body
The surface of two chi bars is provided with scale strip, and the plug-in unit is semicircle, and the plug-in unit has two slots, the first chi bar
Assigned into the slot with the second chi bar, it is described when the first chi bar and the second chi bar coordinate in the slot
First chi bar is parallel to each other with the second chi bar, is provided with sleeve at the Inner arc position of the plug-in unit, passes through the sleeve
It is combined with translation accessory plate.
Preferably, the first sleeve is provided with the outer wall position of the cover plate, plate is provided with first sleeve,
That one end of the plate away from first sleeve is provided with translation plates, the vertical translation accessory plate of the translation plates.
Preferably, the plate body is coaxially disposed with the portable plate.
Preferably, the first chi bar and the second chi bar form an angle α, α angle of regulation range after coordinating
For 0 ° ~ 270 °.
Preferably, the surface of the cover plate is provided with angle index.
The beneficial effects of the utility model are：The present apparatus can be used after the completion of combination as ruler, when needing picture angle
When spending line, plug-in unit can be pulled down, now the adjustable angle between the first chi bar and the second chi bar, can draw angle line, led to
Crossing translation accessory plate can be aided in drawing parallel lines, and the chi of the present apparatus one is used, and can be met teaching and be used needs, suitable popularization makes
With.
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 top view of the present utility model；
Fig. 2 is the cooperation schematic diagram of the first chi bar and the second chi bar；
Fig. 3 is implementation state diagram of the utility model when drawing angle line；
Fig. 4 is implementation state diagram of the utility model when drawing parallel lines.
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 chi tool of primary school math teaching shown in Fig. 1 and Fig. 2, including plate body 1 and plug-in unit 2, the plate body 1
Outer ring position at be provided with the first chi bar 101, be provided with portable plate 3 at the top of the plate body 1, the portable plate 3 it is outer
Circle is provided with the second chi bar 301 at position, and cover plate 4, the cover plate 4, the and of portable plate 3 are provided with the top of the portable plate 3
Bolt 5 is combined between plate body 1, the surface of the first chi bar 101 and the second chi bar 301 is provided with scale strip 6, described to insert
Part 2 is semicircle, and the plug-in unit 2 has two slots（It is not shown）, the first chi bar 101 and the second chi bar 301 are assigned
In the slot, when the first chi bar 101 and the second chi bar 301 coordinate in the slot, the first chi bar 101
It is parallel to each other with the second chi bar 301, sleeve 7 is provided with the Inner arc position of the plug-in unit 2, is matched somebody with somebody by the sleeve 7
Conjunction has translation accessory plate 8.
The first sleeve 411 is provided with a preferred embodiment in the utility model, the outer wall position of the cover plate 4,
Plate 412 is provided with first sleeve 411, that one end of the plate 412 away from first sleeve 411 is provided with
Translation plates 413, the vertical translation accessory plate 8 of the translation plates 413.
A preferred embodiment in the utility model, the plate body 1 is coaxially disposed with the portable plate 3.
Shape after a preferred embodiment in the utility model, the first chi bar 101 and the second chi bar 301 coordinate
α in an angle, α angle of regulation range are 0 ° ~ 270 °.
A preferred embodiment in the utility model, the surface of the cover plate 4 is provided with angle index 444.
As shown in fig.3, the angular adjustment that the first chi bar 101 and the second chi bar 301 can be achieved after plug-in unit 2 is removed, it is full
The need for foot draws angle line.
As shown in fig.4, translation accessory plate 8 can be pulled down, drawn parallel lines by translating the auxiliary of accessory plate 8.
The beneficial effects of the utility model are：The present apparatus can be used after the completion of combination as ruler, when needing picture angle
When spending line, plug-in unit can be pulled down, now the adjustable angle between the first chi bar and the second chi bar, can draw angle line, led to
Crossing translation accessory plate can be aided in drawing parallel lines, and the chi of the present apparatus one is used, and can be met teaching and be used needs, suitable popularization makes
With.
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 (5)
1. a kind of chi tool of primary school math teaching, it is characterised in that：Including plate body and plug-in unit, at the outer ring position of the plate body
The first chi bar is provided with, is provided with the top of the plate body at portable plate, the outer ring position of the portable plate and is provided with second
Chi bar, is provided with cover plate at the top of the portable plate, and bolt, described are combined between the cover plate, portable plate and plate body
The surface of one chi bar and the second chi bar is provided with scale strip, and the plug-in unit is semicircle, and the plug-in unit has two slots, institute
State the first chi bar and the second chi bar is assigned into the slot, when the first chi bar and the second chi bar coordinate in the slot
When interior, the first chi bar is parallel to each other with the second chi bar, is provided with sleeve at the Inner arc position of the plug-in unit, passes through
The sleeve is combined with translation accessory plate.
2. the chi tool of primary school math teaching according to claim 1, it is characterised in that：At the outer wall position of the cover plate
The first sleeve is provided with, plate is provided with first sleeve, that one end of the plate away from first sleeve is set
It is equipped with translation plates, the vertical translation accessory plate of the translation plates.
3. the chi tool of primary school math teaching according to claim 1, it is characterised in that：The plate body and the portable plate
It is coaxially disposed.
4. the chi tool of primary school math teaching according to claim 1, it is characterised in that：First chi article and described
Two chi bars form an angle α after coordinating, α angle of regulation range is 0 ° ~ 270 °.
5. the chi tool of primary school math teaching according to claim 1, it is characterised in that：The surface of the cover plate is provided with
Angle index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352609.6U CN206493768U (en) | 2016-12-11 | 2016-12-11 | A kind of chi tool of primary school math teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621352609.6U CN206493768U (en) | 2016-12-11 | 2016-12-11 | A kind of chi tool of primary school math teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206493768U true CN206493768U (en) | 2017-09-15 |
Family
ID=59801304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621352609.6U Expired - Fee Related CN206493768U (en) | 2016-12-11 | 2016-12-11 | A kind of chi tool of primary school math teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206493768U (en) |
-
2016
- 2016-12-11 CN CN201621352609.6U patent/CN206493768U/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: 20170915 Termination date: 20181211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |