CN204526541U - A kind of mathematic compasses chi of imparting knowledge to students - Google Patents
A kind of mathematic compasses chi of imparting knowledge to students Download PDFInfo
- Publication number
- CN204526541U CN204526541U CN201520207433.4U CN201520207433U CN204526541U CN 204526541 U CN204526541 U CN 204526541U CN 201520207433 U CN201520207433 U CN 201520207433U CN 204526541 U CN204526541 U CN 204526541U
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- unit
- hole
- scale
- index dial
- ruler
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- Length-Measuring Instruments Using Mechanical Means (AREA)
Abstract
The utility model relates to a kind of mathematic compasses chi of imparting knowledge to students, particularly a kind of can the structural design of multifunctional mathmatical compasses combined with ruler of curve plotting; Mainly comprise a ruler unit, the discoid index dial unit of half and magnifying glass unit composition; By the relative rotary combination design of ruler unit with this index dial, the circular arc teaching curve of different angles is drawn out in the compasses hole by being provided with different size, thus can realize the facility in use.
Description
Technical field
The utility model relates to a kind of mathematic compasses chi, particularly relates to a kind of mathematic compasses chi of imparting knowledge to students.
Background technology
In daily life, ruler so far still by as important measurement or drawing instrument, in occupation of very important effect in specification and standard thereof.Now; along with people in work or study to measuring or the dependence of drawing instrument; the ruler of simple function has been difficult to meet the various demands of people in work or study traditionally; therefore when carrying out operation, user usually can carry multiple types of tools together, as ruler, protractor, magnifying glass etc.
Although each above-mentioned instrument can not cause larger volume and weight or user be caused to the inconvenience of carrying when people carry out packing and carry, but each instrument that then needs when user uses above-mentioned instrument to carry out comparatively complicated measurement or drawing performance constantly to take combinationally uses, so not only user is in use brought larger loaded down with trivial details, and also need to carry out again then just can using it to the pattern measured or draw in the process of the instrument of replacing, belong to inconvenience in fact.
Utility model content
Main purpose of the present utility model is for defect of the prior art, and provide a kind of mathematic compasses chi of imparting knowledge to students, the technical solution of the utility model is:
A mathematic compasses chi of imparting knowledge to students, is characterized in that, the mathematic compasses chi of described teaching comprises:
One ruler unit, this ruler unit is provided with a rotary support end, this rotary support end 11 1 side is provided with an angle reference line and angular values hole, the two side ends edge of this ruler unit is respectively equipped with the first scale and second scale of different size, the opposite position of this first scale is penetratingly provided with the first compasses hole of multiple aligned apertures form, and this second scale opposite position is penetratingly provided with the second compasses hole of multiple aligned apertures form, and be provided with dotted line hole in a row between this first compasses hole and this second compasses hole relative position;
The discoid index dial unit of half, the center of this index dial unit is rotatably combined in the rotary support end of this ruler unit, it is most advanced and sophisticated that one rotary support is set bottom this index dial unit center, make this index dial unit rotatably placement positioning on predetermined drawing surface, this ruler unit can be made further can to rotate with being supported relative to index dial unit, in addition, the surrounding edge place of this index dial unit is provided with the semicircle plate-like scale hole of decile annularly, when this ruler unit this index dial unit rotational relative, this semicircle plate-like scale hole is to supply the angle reference line being positioned at this ruler unit, scale numerical value is provided with again in the side in this semicircle plate-like scale hole, this scale numerical value correspondence position be presented at this ruler unit angular values hole in visual for user,
One amplifying lens, the central position of this amplifying lens is located at the rotary support end place of this ruler unit, for the scale numerical value amplifying the inside, angular values hole showing this ruler unit, so that user is visual.
Preferably, described index dial unit and the relative rotation combination mode of described ruler unit are penetratingly be provided with a rotary support hole by the central authorities by this index dial unit, this rotary support hole is for wear a rotary components accordingly, wherein this rotary components is for comprising a collar flange, this collar flange top is the projection protruded, this projection is one be located in the rotary support hole of this index dial unit and the rotary support end of this ruler unit, this projection top is for being provided with a link, be located in after the rotary support hole of this index dial unit and the rotary support end of this ruler unit in the lump until this projection, again the link of this projection is connected the center bottom being installed in this amplifying lens, most advanced and sophisticated for being provided with a rotary support in this rotary components bottom.
Preferably, the mode that the link of described rotary components is combined with described amplifying lens bottom can be gluey bonding.
Preferably, described ruler unit the first scale and described second scale can be different metric systems and graduated in English shows.
Compared with prior art, the beneficial effects of the utility model are: by the relative rotary combination design of ruler unit with this index dial, the circular arc teaching curve of different angles is drawn out in compasses hole by being provided with different size, thus can realize the facility in use.
Accompanying drawing explanation
Fig. 1 is the exploded perspective view of the mathematic compasses chi of teaching in embodiment one of the present utility model.
Fig. 2 is the schematic appearance of the mathematic compasses chi of teaching in embodiment one of the present utility model.
Fig. 3 is the schematic appearance of the mathematic compasses chi of teaching in embodiment one of the present utility model.
Fig. 4 is the assembled sectional view of the mathematic compasses chi of teaching in embodiment one of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is further described.
Embodiment one
As shown in Figures 1 to 4, be the exploded perspective view of a kind of mathematic compasses chi of imparting knowledge to students in embodiment one, schematic appearance and assembled sectional view.
Above-mentioned a kind of mathematic compasses chi of imparting knowledge to students comprises:
One ruler unit 10, this ruler unit 10 is provided with a rotary support end 11, this rotary support end 11 1 side is provided with an angle reference line 18 and angular values hole 17, the two side ends edge of this ruler unit 10 is respectively equipped with the first scale 14 and the second scale 16 of different size, wherein this ruler unit 10 the first scale 14 and the second scale 16 can be different metric systems and graduated in English shows, and the opposite position of this first scale 14 is penetratingly provided with the first compasses hole 13 of multiple aligned apertures form, and this second scale 16 opposite position is penetratingly provided with the second compasses hole 15 of multiple aligned apertures form, and dotted line hole 12 in a row is provided with between this first compasses hole 13 and this second compasses hole 15 relative position,
The discoid index dial unit 20 of half, the center of this index dial unit 20 is rotatably combined in the rotary support end 11 of this ruler unit 10, wherein this index dial unit 20 and the relative rotation combination mode of this ruler unit 10 are penetratingly be provided with a rotary support hole 21 by the central authorities by this index dial unit 20, this rotary support hole 21 is for wear a rotary components 30 accordingly, wherein this rotary components 30 is for comprising a collar flange 32, this collar flange 32 top is the projection 33 protruded, this projection 33 is one be located in the rotary support hole 21 of this index dial unit 20 and the rotary support end 11 of this ruler unit 10, and this projection 33 top is for being provided with a link 34, be located in after the rotary support hole 21 of this index dial unit 20 and the rotary support end 11 of this ruler unit 10 in the lump until this projection 33, again the link 34 of this projection 33 is connected the center bottom being installed in this amplifying lens 40, the mode that wherein link 34 of this rotary components 30 is combined with this amplifying lens 40 bottom can be gluey bonding, in this rotary components 30 bottom for being provided with a rotary support tip 31, again by this index dial unit 20 rotatably placement positioning on predetermined drawing surface, this ruler unit 10 can be made further can to rotate with being supported relative to index dial unit 20, in addition, the surrounding edge place of this index dial unit 20 is provided with the semicircle plate-like scale hole 22 of decile annularly, user pierces in semicircle plate-like scale hole 22 by a drawing pen 50 and draws scale, when this ruler unit 10 rotates relative to this index dial unit 20, this semicircle plate-like scale hole 22 is to supply the angle reference line 18 being positioned at this ruler unit 10, scale numerical value 23 is provided with again in the side in this semicircle plate-like scale hole 22, this scale numerical value 23 correspondence position be presented at this ruler unit 10 angular values hole 17 in visual for user,
One amplifying lens 40, the central position of this amplifying lens 40 is located at rotary support end 11 place of this ruler unit 10, for the scale numerical value 23 amplifying the inside, angular values hole 17 showing this ruler unit 10, so that user is visual.
By the structure of above-mentioned a kind of mathematic compasses chi of imparting knowledge to students and composition design, the operating state during use of this kind of mathematic compasses chi of imparting knowledge to students is as follows:
As shown in Figure 4, when user draws datum line at Drawing zone 60, need first drawing pen 50 to be pierced in this dotted line hole in a row 12 and draw dotted line, again the nib of drawing pen 50 is pierced into the size in the first compasses hole 13 of the correspondence of the first required scale 14, make this ruler unit 10 draw an arc curve further centered by index dial unit 20; And after user completes this dotted line, then utilized by this dotted line the straight portion of the mathematic compasses chi of this teaching to supplement drafting one straight line; Scale is drawn in the semicircle plate-like scale hole 22 that drawing pen 50 also can be pierced into the index dial unit 20 of semicircle plate-like by user.
Like this, by the relative rotary combination design of ruler unit with this index dial, the circular arc teaching curve of different angles is drawn out in the compasses hole by being provided with different size, thus can realize the facility in use.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the application or akin technical scheme, all drops within protection domain of the present utility model.
Claims (4)
1. a mathematic compasses chi of imparting knowledge to students, is characterized in that, the mathematic compasses chi of described teaching comprises:
One ruler unit, this ruler unit is provided with a rotary support end, this rotary support end one side is provided with an angle reference line and angular values hole, the two side ends edge of this ruler unit is respectively equipped with the first scale and second scale of different size, the opposite position of this first scale is penetratingly provided with the first compasses hole of multiple aligned apertures form, and this second scale opposite position is penetratingly provided with the second compasses hole of multiple aligned apertures form, and be provided with dotted line hole in a row between this first compasses hole and this second compasses hole relative position;
The discoid index dial unit of half, the center of this index dial unit is rotatably combined in the rotary support end of this ruler unit, it is most advanced and sophisticated that one rotary support is set bottom this index dial unit center, make this index dial unit rotatably placement positioning on predetermined drawing surface, this ruler unit can be made further can to rotate with being supported relative to index dial unit, in addition, the surrounding edge place of this index dial unit is provided with the semicircle plate-like scale hole of decile annularly, when this ruler unit this index dial unit rotational relative, this semicircle plate-like scale hole is to supply the angle reference line being positioned at this ruler unit, scale numerical value is provided with again in the side in this semicircle plate-like scale hole, this scale numerical value correspondence position be presented at this ruler unit angular values hole in visual for user,
One amplifying lens, the central position of this amplifying lens is located at the rotary support end place of this ruler unit, for the scale numerical value amplifying the inside, angular values hole showing this ruler unit, so that user is visual.
2. the mathematic compasses chi of teaching as claimed in claim 1, it is characterized in that, described index dial unit and the relative rotation combination mode of described ruler unit are penetratingly be provided with a rotary support hole by the central authorities by this index dial unit, this rotary support hole is for wear a rotary components accordingly, wherein this rotary components is for comprising a collar flange, this collar flange top is the projection protruded, this projection is one be located in the rotary support hole of this index dial unit and the rotary support end of this ruler unit, this projection top is for being provided with a link, be located in after the rotary support hole of this index dial unit and the rotary support end of this ruler unit in the lump until this projection, again the link of this projection is connected the center bottom being installed in this amplifying lens, most advanced and sophisticated for being provided with a rotary support in this rotary components bottom.
3. the mathematic compasses chi of teaching as claimed in claim 2, is characterized in that, the mode that the link of described rotary components is combined with described amplifying lens bottom can be gluey bonding.
4. the mathematic compasses chi of teaching as claimed in claim 3, is characterized in that, the first scale of described ruler unit and described second scale can be different metric systems and graduated in English shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207433.4U CN204526541U (en) | 2015-04-08 | 2015-04-08 | A kind of mathematic compasses chi of imparting knowledge to students |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520207433.4U CN204526541U (en) | 2015-04-08 | 2015-04-08 | A kind of mathematic compasses chi of imparting knowledge to students |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204526541U true CN204526541U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520207433.4U Expired - Fee Related CN204526541U (en) | 2015-04-08 | 2015-04-08 | A kind of mathematic compasses chi of imparting knowledge to students |
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| Country | Link |
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| CN (1) | CN204526541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994854A (en) * | 2017-03-10 | 2017-08-01 | 大连工业大学 | The compasses of meeting picture side |
-
2015
- 2015-04-08 CN CN201520207433.4U patent/CN204526541U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106994854A (en) * | 2017-03-10 | 2017-08-01 | 大连工业大学 | The compasses of meeting picture side |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20160408 |
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| CF01 | Termination of patent right due to non-payment of annual fee |