CN100554003C - Teaching instrument for geometry - Google Patents

Teaching instrument for geometry Download PDF

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Publication number
CN100554003C
CN100554003C CNB2005100201247A CN200510020124A CN100554003C CN 100554003 C CN100554003 C CN 100554003C CN B2005100201247 A CNB2005100201247 A CN B2005100201247A CN 200510020124 A CN200510020124 A CN 200510020124A CN 100554003 C CN100554003 C CN 100554003C
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CN
China
Prior art keywords
geometry
instrument
lead
hole
drum
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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
Application number
CNB2005100201247A
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Chinese (zh)
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CN1727207A (en
Inventor
柯阳
Original Assignee
柯阳
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Publication date
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Priority to CNB2005100201247A priority Critical patent/CN100554003C/en
Publication of CN1727207A publication Critical patent/CN1727207A/en
Application granted granted Critical
Publication of CN100554003C publication Critical patent/CN100554003C/en
Expired - Fee Related legal-status Critical Current
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Abstract

Teaching instrument for geometry, volume is light and handy, the function that adapts to several teaching and how much needs of other mappings is provided with the instrument handle that is connected in the teaching instrument for geometry carrier, coordinate full circle instrument, hole circle rule, chi wire gauge, line length chi, ruler, ruler, upward ruler and the lead pen cap and constitute down by distributing.The present invention overcomes the deficiency of how much teaching aids of prior art, and a kind of needs that adapt to religion, learn function are provided, and improves efficiency of teaching, also does other mappings and describes the mathematics new tool that geometric data needs.Especially the volume I in light weight bending of teaching instrument for geometry constantly and reliably, the digitlization hole circle rule that the mapping circle is arranged, the chi wire gauge that mapping is oval, the full circle instrument of band coordinate, the lead pen cap is accurate to millimeter, and it is low to purchase use cost, be brand-new mathematics new tool, especially be fit to how much religions, learn that the mapping of scientific research engineering literature and art is used.

Description

Teaching instrument for geometry
Technical field
The present invention relates to survey and draw the mathematical tool of how much point-line-surface body angles, be specifically related to a kind of coordinate full circle instrument that has, hole circle rule, chi wire gauge, line length chi and the teaching instrument for geometry of ruler in length and breadth.
Background technology
The geometric teaching aid of existing mapping, as set square, the bipod compasses, the length of protractor and radius are at half meter, do not have the millimeter scale, number of packages carries difficulty more, uses loaded down with trivial details, waste of material is big, and the bipod compasses do not have digital yardstick, and a whole set of teaching aid is not is not surveyed and drawn ellipse, circular function, teacher's effort, student's study income is not good enough.Existing computer can not replace teacher's guiding student to start to set up the geometry ideological system.Owing to lack the mathematics new tool,, all gap is arranged with teacher, student and social requirement to teaching instrument for geometry even modern computer comprises the employed technology of conventional geometric teaching aid.
Summary of the invention
The objective of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of needs that adapt to religion, learn function are provided, improve efficiency of teaching, describe the mathematics new tool that geometric data needs as other mappings simultaneously.To achieve these goals, the invention provides a kind of teaching instrument for geometry, its technology contents is as follows:
Teaching instrument for geometry, by distribute to be provided with the instrument handle that is connected in the teaching instrument for geometry carrier, coordinate full circle instrument, hole circle rule, chi wire gauge, line length chi, ruler, down ruler, go up ruler and the lead pen cap and constitute, it is characterized in that: one of described teaching instrument for geometry carrier is held the coordinate full circle instrument is set.
Preferably, described hole circle rule are by the ordered series of numbers in a circle center hole and radius ordinal number hole, and the form of putting the hole with specific radius distance value from left to right, from low to high, at interval vertically rearranges, and is arranged in the teaching instrument for geometry carrier.
Preferably, one end of the lead of described chi wire gauge is fastened the drum at the drum device, the other end passes the suitable value-added working edge unwrapping wire of chi of initial point of initial point scale hole arrival line length chi and lies on the moving scale that can be clipped in its chi limit, pen is placed in the dress hole of the lead pen cap vertical with lead, puts into metallic channel for one section of lead.
Preferably, described small line disk and big moving scale are formed the integrated moving scale of drum that is clipped on the line length chi working edge, and the lead two ends are connected the moving scale of drum respectively with initial point scale hole, put into the outer metallic channel of the lead pen cap for one section of lead.
Preferably, described moving scale place of laying moving scale is placed on the teaching instrument for geometry carrier of drum device top.
Preferably, described ruler places the left side of line length chi, and scale is same, and the initial point of initial number is opposite.
Preferably, ruler is set on the base of described teaching instrument for geometry carrier, and top margin is put ruler.
Preferably, the lower end of the described lead pen cap is convinced wire casing by patient analysis, in establish the dress hole.
Teaching instrument for geometry of the present invention, has the coordinate full circle instrument that traditional teaching aid set square protractor compasses do not have, digit punch compasses, the various curves that draw comprise the digital chi wire gauge of the ellipse of various numerical value, and the ruler in length and breadth that is accurate to millimeter is arranged, and it is in light weight, resource cost is little, carries easily, is fit to global how much religions, learns, the needs of surveying and drawing on the engineering, and the social activities that is used for other scientific researches, work and intellectual development.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a teaching instrument for geometry front view of the present invention.
Fig. 2 is a teaching instrument for geometry vertical view of the present invention.
Fig. 3 is a drum device cutaway view of the present invention.
Fig. 4 is a drum vertical view of the present invention.
Fig. 5 is a moving scale left view of the present invention.
Fig. 6 is a lead pen cap schematic diagram of the present invention.
Fig. 7 is the moving scale front view of drum of the present invention.
Fig. 8 is the moving scale left view of drum of the present invention.
Fig. 9 is the moving scale vertical view of drum of the present invention.
Number in the figure 1 expression teaching instrument for geometry carrier of the present invention, remaining label, 2. instrument handle, 3. coordinate full circle instrument, 4. hole circle rule, 5. circle center hole, 6. radius ordinal number hole, 7. chi wire gauge, 8. line length chi, 9. lead, 10. drum device, 10-1. drum, 10-2. the drum deck, the cutaway view of A-A. drum device, 11. initial point scale holes, 12. moving scale, the 13. lead pens cap, 13-1. metallic channel, 13-2. a dress hole, 14., 15. drums move scale, 15-1. small line disk, 15-2. moving greatly scale, 16. moving scale Su Li, 17. rulers, 18. following ruler, ruler on 19..
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is further described.
Referring to each accompanying drawing, teaching instrument for geometry of the present invention, volume is light and handy, the needs that functional adaptation several teaching and other mappings are how much, it is by distribute being provided with instrument handle 2, coordinate full circle instrument 3, hole circle rule 4, chi wire gauge 7, line length chi 8,17,18 times rulers of ruler of being connected in teaching instrument for geometry carrier 1, going up ruler 19 and constitute with the lead pen cap 13 and pen 14, and it is characterized in that: one of described teaching instrument for geometry carrier 1 end is provided with coordinate full circle instrument 3.
Fig. 1, Fig. 2 are respectively teaching instrument for geometry front view of the present invention and vertical view.Reflected that from its front view of the present invention is a kind of thin plate integrated structure that adapts to the resource-saving of religion, and other purposes; Its China National Instruments Import ﹠ Export Corporation handle 2 is one and is arranged on the setting that the left side epirelief is worn sky in the geometry religion carrier 1, is easy to arrest the use teaching instrument for geometry; One of described teaching instrument for geometry carrier 1 end is provided with coordinate full circle instrument 3, also promptly at the top and the equidirectional coordinate full circle instrument 3 that mark 0-360 degree scale is set of ruler of the teaching instrument for geometry 1 of vertical view, under its center of circle horizontal line, positive and negative numerical scale is set, center of circle line, horizontal left and right sides end points, 45 degree, the outer end points of 90 degree, 135 degree place grooves is all established arrow, protractor is combined with coordinate, easily determine by the coordinate position of mapping thing, sky is arranged so that to observe and intuitively allows the paintbrush 14 of mark angle can arrive by the face of mapping thing again to do in it, makes in the 0-360 degree mark at any angle; Described hole circle rule 4 are by the ordered series of numbers of a circle center hole 5 with radius ordinal number hole 6, and the form of putting the hole with specific radius distance value from left to right, from low to high, at interval vertically rearranges, and is arranged in the teaching instrument for geometry carrier 1.A circle center hole 5 is the circle center hole positions in all radius ordinal number holes 6, simultaneously, the circle center hole potential energy in each radius ordinal number hole 6 and circle center hole 5 make circle center hole 5 and radius ordinal number hole 6 intuitively easy-to-use in the mapping of reality, the concrete interval numerical value precision as required in each hole is determined to arrange, at this moment, insert circle center hole 5 again after packing into one-pen 14 in the dress hole 13-2 of the lead pen cap 13 and make fixed pen, insert in the hole in radius ordinal number hole 6 and start writing with pack into back in the dress hole 13-2 of another lead pen cap 13 of other one-pen 14, promptly be drawn as corresponding circle value shape around fixed pen rotation, moving, fixed pen when determining the center of circle for making how much religion carriers 1 seem easy in round drawing, circle center hole 5 and radius ordinal number hole 6 can be used in transposition, one end of the lead 9 of described chi wire gauge 7 is fastened the drum at drum device 10, the other end passes the suitable value-added working edge unwrapping wire of chi of initial point of initial point scale hole 11 arrival line length chis 8 and lies on the moving scale 12 that can be clipped in its chi limit, pen 14 is placed in the dress hole 13-2 of the lead pen cap 13 vertical with lead, put into metallic channel 13-1 for one section of lead 9, in this state, it can be chalk, pencil, the pen 14 of various uses such as marker pen, hemicycle draws in being subjected to lead 9 movement locus constrained operations, ellipse or other string arc, mapping greater than 1/2nd circle will survey and draw 1/2nd earlier usually, again at the surplus line of the other semicircle value of the initial mapping of the line endpoints that has been drawn as, dock and paint the operation that is divided into two one-step formings greater than 1/2nd circles of justifying, just need emit the lead 9 of respective length in drum 10 or the small line disk, regulate moving scale 12, the moving scale 15 of drum obtains two ellipses of definite value on line length chi 8, the focus of circle and the lead 9 of summit length value thereof, make the insertion lead pen cap interior pen 14 of 13 a dress hole 13-2 and lead 9 in metallic channel 13-1, finish the preparation of picture circle, wherein, the outlet that initial point scale hole 11 is located at the initial point of line length chi 8 and moving scale 12 and the moving scale 15 of drum all is located at the working edge of line length chi 8, the scale of measurement; Described small line disk 15-1 and big moving scale 15-2 form the integrated moving scale 15 of drum that is clipped on line length chi 8 working edges, lead 9 two ends are connected the moving scale 15 of drum respectively with initial point scale hole 11, one section of lead 9 is put into the outer metallic channel 13-1 of the lead pen cap 13, the different circles of justifying values that draw under the track effect of lead 9 of the paintbrush 14 the lead pen cap 13 of packing under this state in; Described moving scale place upright 16 of laying moving scale 12 places on the drum device 10 top teaching instrument for geometry carriers 1, when moving scale 12 or the moving scale 15 of drum time spent not, is clipped in moving scale place and stands 16 from taking out on the work chi limit of the line length chi 8 of one with how much religion carriers 1; Described ruler 17 places the left side of line length chi 8, scale is same, and the initial point of initial number is opposite, and double two measurement units of scale are used, initial point is established with stop and is located at teaching instrument for geometry carrier 1 lower right and upper right side separately, and its numeral is according to the direction setting that is easy to discern on using; Ruler 18 is set on the base of described teaching instrument for geometry carrier 1, and top margin is put ruler 19, with the structure of ruler 17 line length chis 8 formation coordinate yardsticks.
Fig. 3, Fig. 4 are respectively drum device cutaway view of the present invention, drum vertical view.Wherein the drum 10-1 of drum device 10 inserts with on the drum deck 10-2 of teaching instrument for geometry 1 body lower right making, lead 9 twists in the groove of drum 10-1, positive and reverse return transfers to emits or regains lead 9, drum 10-1 is relative tight fit with drum deck 10-2, and drum 10-1 does not rotate voluntarily when not rotating.
Fig. 5 is a moving scale left view of the present invention, fastens the solid position, hole that is provided with at moving scale 12 at an end of lead 9, and moving scale presets folder power, and time spent band lead 9 is clipped in the optional position of line length chi 8 working edges, and the time spent is not placed on the moving mark place upright 16.
Fig. 6 is a lead pen cap schematic diagram of the present invention, and the lower end of the described lead pen cap 13 is convinced wire casing 13-1 by patient analysis, in establish the dress hole 13-2.The lead pen cap 13 be an opening can hold pen 14 bobbin shape, establish metallic channel 13-1 below it, limit pen 14 remains on the given tracks mapping string arc of lead 9 in mapping; After it inserts pen 14, do the pen with means for holding it in right position and the paintbrush of hole circle rule 4, pen 14 and staff were separated in the most of the time in use, especially will have the chalk of pollution to isolate.
Fig. 7, Fig. 8, Fig. 9 are respectively moving scale front view, left view and vertical views of drum of the present invention.Described small line disk 15-1 and big moving scale 15-2 form the integrated moving scale 15 of drum that is clipped on line length chi 8 working edges, lead 9 two ends are connected the moving scale 15 of drum respectively with initial point scale hole 11, one section metallic channel 13-1 that puts into the lead pen cap outer 13 of lead 9 presses the track setting-out with guiding pen 14; When moving scale 15 with drum, without drum device 10 and moving scale 12, perhaps combine with moving scale 12, survey and draw the different objects data jointly, the moving scale 15 of drum can take off from the working edge of line length chi 8 frequently and be clipped in moving scale place upright 16.
The structure of teaching instrument for geometry of the present invention has the following advantages as mentioned above:
1. produce material province and the recyclable product use that repeats to regenerate.
2. the efficient height that how much mapping teaching are used.
Above preferred embodiment is described teaching instrument for geometry of the present invention, thereby this area person skilled in the art can be according to this goes up the content that discloses and makes the various modification that are equal to and change and do not depart from scope of the present invention.Therefore, protection scope of the present invention should be limited by appending claims.

Claims (6)

1. teaching instrument for geometry, the instrument handle (2) that is connected in teaching instrument for geometry carrier (1) is set by distributing, coordinate full circle instrument (3), hole circle rule (4), circle center hole (5), radius ordinal number hole (6), chi wire gauge (7), line length chi (8), lead (9), drum device (10), moving scale (12), drum moves scale (15), small line disk (15-1), big moving scale (15-2), moving scale Su Li (16), ruler (17), following ruler (18), last ruler (19), the lead pen cap (13), metallic channel (13-1), a dress hole (13-2) constitutes, it is characterized in that: one of described teaching instrument for geometry carrier (1) end is provided with coordinate full circle instrument (3), hole circle rule (4) are by the ordered series of numbers of a circle center hole (5) with radius ordinal number hole (6), with predetermined radius distance value from left to right, from low to high, the form of putting the hole at interval vertically rearranges, be arranged in the teaching instrument for geometry carrier (1), one end of the lead (9) of chi wire gauge (7) is fastened on the drum (10-1) of drum device (10), the other end passes the suitable value-added working edge unwrapping wire of chi of initial point of initial point scale hole (11) arrival line length chi (8) and lies on the moving scale (12) that can be clipped in its chi limit, pen (14) is placed in the dress hole (13-2) of the lead pen cap (13) vertical with lead, puts into metallic channel (13-1) for one section of lead (9).
2. teaching instrument for geometry according to claim 1, it is characterized in that: small line disk (15-1) and big moving scale (15-2) are formed the integrated moving scale (15) of drum that is clipped on line length chi (8) working edge, lead (9) two ends are connected the moving scale (15) of drum respectively with initial point scale hole (11), put into the outer metallic channel (13-1) of the lead pen cap (13) for one section of lead (9).
3. teaching instrument for geometry according to claim 1 is characterized in that: the moving scale Su Li (16) that lays moving scale (12) places on the teaching instrument for geometry carrier (1) of drum device (10) top.
4. teaching instrument for geometry according to claim 1 is characterized in that: ruler (17) places the left side of line length chi (8), and scale is same, and the initial point of initial number is opposite.
5. teaching instrument for geometry according to claim 1 is characterized in that: ruler (18) is set on the base of described teaching instrument for geometry carrier (1), and top margin is put ruler (19).
6. teaching instrument for geometry according to claim 1 is characterized in that: the outer lower end of the lead pen cap (13) is convinced wire casing (13-1) by patient analysis, establishes a dress hole (13-2) in the lead pen cap (13).
CNB2005100201247A 2005-01-03 2005-01-03 Teaching instrument for geometry Expired - Fee Related CN100554003C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100201247A CN100554003C (en) 2005-01-03 2005-01-03 Teaching instrument for geometry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100201247A CN100554003C (en) 2005-01-03 2005-01-03 Teaching instrument for geometry

Publications (2)

Publication Number Publication Date
CN1727207A CN1727207A (en) 2006-02-01
CN100554003C true CN100554003C (en) 2009-10-28

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ID=35926779

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005100201247A Expired - Fee Related CN100554003C (en) 2005-01-03 2005-01-03 Teaching instrument for geometry

Country Status (1)

Country Link
CN (1) CN100554003C (en)

Also Published As

Publication number Publication date
CN1727207A (en) 2006-02-01

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Granted publication date: 20091028

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