CN203920153U - A kind of Multi-function drawing-instrument for teaching - Google Patents
A kind of Multi-function drawing-instrument for teaching Download PDFInfo
- Publication number
- CN203920153U CN203920153U CN201420213433.0U CN201420213433U CN203920153U CN 203920153 U CN203920153 U CN 203920153U CN 201420213433 U CN201420213433 U CN 201420213433U CN 203920153 U CN203920153 U CN 203920153U
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- connecting rod
- hinged
- latch
- groove
- compasses
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Abstract
The utility model discloses a kind of Multi-function drawing-instrument for teaching, belong to teaching aid technical field.Described plotter comprises: first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, one end of described first connecting rod and one end of described second connecting rod are hinged, the hinged place of described first connecting rod and described second connecting rod is provided with the angle scale with angle value groove, and described angle scale is coaxial with the jointed shaft of described first connecting rod and described second connecting rod; The other end of described first connecting rod is connected with one end of described third connecting rod, and the first compasses point is installed on the other end of described third connecting rod; Described second connecting rod is not hinged with one end of the hinged one end of described first connecting rod and described the 4th connecting rod, on the other end of described the 4th connecting rod, chalk sleeve is installed.By by a plurality of rod hinge connections and angle scale, compasses point and chalk sleeve are set on connecting rod, together with the integrated function of ruler, compasses and protractor, reduced volume, be convenient for carrying.
Description
Technical field
The utility model relates to teaching aid technical field, particularly a kind of Multi-function drawing-instrument for teaching.
Background technology
In teaching process, often can use various drawing instruments and carry out aided education, the protractor of using such as ruler, the compasses of using in draw circles and camber line used when drawing straight line, when taking measurement of an angle etc.
In prior art, for teaching, the volume of drawing instrument ruler, compasses and protractor is larger and different, very inconvenient when carrying together; In teaching process, relate to the drafting of straight line and camber line simultaneously, even need to switch continually while taking measurement of an angle and use ruler, compasses and protractor, reduced efficiency of teaching.
Utility model content
Larger and different in order to solve drawing instrument ruler in prior art, compasses and protractor volume, very inconvenient problem and in use need the frequent problem that has reduced efficiency of teaching of switching while carrying, the utility model embodiment provides a kind of Multi-function drawing-instrument for teaching, and technical scheme is as follows:
The utility model embodiment provides a kind of Multi-function drawing-instrument for teaching, described plotter comprises: first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, one end of described first connecting rod and one end of described second connecting rod are hinged, the hinged place of described first connecting rod and described second connecting rod is provided with the angle scale with angle value groove, and described angle scale is coaxial with the jointed shaft of described first connecting rod and described second connecting rod;
The other end of described first connecting rod is connected with one end of described third connecting rod, and the first compasses point is installed on the other end of described third connecting rod;
Described second connecting rod is not hinged with one end of the hinged one end of described first connecting rod and described the 4th connecting rod, on the other end of described the 4th connecting rod, chalk sleeve is installed.
Further, described second connecting rod and described first connecting rod are fixed with fluted disc on hinged one end, described fluted disc is coaxial with the jointed shaft of described second connecting rod and described first connecting rod, described fluted disc edge is provided with the tooth corresponding with the described angle value groove of described angle scale, and described tooth equidistantly waits size setting.
Further, on the hinged one end of described first connecting rod and described second connecting rod, be provided with first latch that can block described fluted disc.
Further, on the two ends that described second connecting rod and described the 4th connecting rod are hinged, be respectively arranged with the second latch, latch groove and with the matching used pin hole of described the second latch, described the second latch is L shaped latch, the insertion state that described latch groove is corresponding described L shaped latch and the F shape groove of extracting state setting, described pin hole is cylinder hole.
Further, between described first connecting rod and described third connecting rod, by I shape connecting rod, be connected, described I shape connecting rod comprises two cylinder cross bars and a cylinder vertical pole that connects two described cylinder cross bars, two described cylinder cross bars are arranged on described first connecting rod and the relative two ends of described third connecting rod in movable mode respectively, be also provided with and be convenient to the groove that described cylinder vertical pole rotates on the relative two ends of described first connecting rod and described third connecting rod.
Further, described the 4th connecting rod is provided with and on one end of described chalk sleeve, is also provided with the second compasses point.
Further, on described plotter, be also provided with laser pen.
Further, described chalk sleeve and described the 4th rod hinge connection, the hinged place of described the 4th connecting rod and described chalk sleeve is provided with is convenient to described chalk sleeve to rotate along hinged place the rear groove reclaiming.
Further, described the first compasses point place being installed on described third connecting rod is built-in with for placing the retraction hole of described the first compasses point.
Further, described the first compasses point is Rubber end compasses points.
The beneficial effect of the technical scheme that the utility model embodiment provides is:
The plotter that the utility model embodiment provides is by by a plurality of rod hinge connections and angle scale, compasses point and chalk sleeve are set on connecting rod, together with the integrated function of ruler, compasses and protractor, reduced volume, is convenient for carrying; Can switch accomplish linear and the drafting of camber line, the measurement of angle has improved efficiency of teaching by changing the shape of plotter simultaneously.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of Multi-function drawing-instrument for teaching of providing of the utility model embodiment;
Fig. 2 is the structure for amplifying intention of the first connecting rod that provides of the utility model embodiment and second connecting rod hinged place;
Fig. 3 is the second connecting rod that provides of the utility model embodiment and the structure for amplifying schematic diagram at the 4th rod hinge connection place;
Fig. 4 is the first connecting rod that provides of the utility model embodiment and the structure for amplifying schematic diagram of third connecting rod hinged place.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
Embodiment
Referring to Fig. 1, the utility model embodiment provides a kind of Multi-function drawing-instrument for teaching, comprise: first connecting rod 11, second connecting rod 12, third connecting rod 13 and the 4th connecting rod 14, one end of one end of first connecting rod 11 and second connecting rod 12 is hinged, first connecting rod 11 is provided with the angle scale 111 with angle value groove with the hinged place of second connecting rod 12, and angle scale 111 is coaxial with the jointed shaft of first connecting rod 11 and second connecting rod 12;
One end of the other end of first connecting rod 11 and third connecting rod 13 is hinged, and the first compasses point 131 is installed on the other end of third connecting rod 13;
Second connecting rod 12 is not hinged with one end of the hinged one end of first connecting rod 11 and the 4th connecting rod 14, and chalk sleeve 141 is installed on the other end of the 4th connecting rod 14.
Particularly, first connecting rod 11 can be at a certain angle along hinged place shape with second connecting rod 12, this angle can be used for measuring angle, by the angle scale 111 formation volume hornworks with angle value groove, can read actual angle value, angle scale can select to be fixed on one end of first connecting rod 11, also can be fixed on the jointed shaft of first connecting rod 11 and second connecting rod 12; First connecting rod 11 can be rotated and be formed a straight-bar by hinged place with third connecting rod 13, second connecting rod 12 and the 4th connecting rod 14 also can be rotated and be formed a straight-bar by hinged place, and two straight-bars rotate and can form the ruler that similar picture straight line is used with the hinged place of second connecting rod 12 along first connecting rod 11; The chalk sleeve 141 of loading onto chalk on the first compasses point the 131 and the 4th connecting rod 14 of installing on third connecting rod 13 is used in conjunction with the compasses that can form picture circle, camber line, the function of this plotter is integrated ruler, protractor and compasses is in one, the religion of the ingenious and comprehensive volume of structure is little, very conveniently deposits and carries.
Further, on second connecting rod 12 and the hinged one end of first connecting rod 11, be fixed with fluted disc 121, fluted disc 121 is coaxial with the jointed shaft of second connecting rod 12 and first connecting rod 11, and fluted disc 121 edges are provided with the tooth corresponding with the angle value groove of angle scale 111, and tooth equidistantly waits size setting.
Particularly, the edge of fluted disc 121 is provided with equidistantly, etc. the tooth of size, so tooth equates with the angle between tooth, the tooth of fluted disc 121 equal intervals and the angle value groove on angle scale 111 are corresponding, can know the angle value between tooth, when angle value groove on angle scale 111 is fuzzy, fluted disc 121 can be used as the angle measurement unit of redundancy.
Further, on first connecting rod 11 and the hinged one end of second connecting rod 12, be provided with first latch 112 that can block fluted disc 121.
Particularly, as shown in Figure 2, in the present embodiment, first connecting rod 11 is provided with for holding the latch groove 113 of the first latch 112, the length of this latch groove 113 is greater than the length of the first latch 112, fluted disc 121 is on second connecting rod 12, the first latch 112 can block fluted disc 121 after latch groove 113 pushes, now first connecting rod 11 can not rotate along hinged place with second connecting rod 12, angle between two connecting rods is fixed, the level that has that has realized angle converts, in the present embodiment, the first latch 112 can be the latch with spring, under Compress Spring state, the first latch 112 blocks fluted disc 121, after return spring, the first latch 112 is extracted fluted disc 121, the first latch 112 is after latch groove 113 is extracted, on fluted disc 121, do not have device to carry out screens, angle between two connecting rods just can carry out stepless transformation.
Further, on the two ends that second connecting rod 12 and the 4th connecting rod 14 are hinged, be respectively arranged with the second latch 122, latch groove 123 and with the matching used pin hole 141 of the second latch 122, the second latch 122 is L shaped latch, the insertion state that latch groove 123 is corresponding L shaped latch and the F shape groove of extracting state setting, pin hole 141 is cylinder hole.
Particularly, second connecting rod 12 and the 4th connecting rod 14 rotate while forming a straight-bar along hinged place, due to hinged effect, straight-bar state is unstable, under external force, two connecting rods are easy to again rotate along hinged place, as shown in Figure 3, the second latch 122 can be L shaped latch, L shaped latch and latch groove 123 are arranged on second connecting rod 12, the pin hole 141 supporting with the second latch 122 is arranged on the 4th connecting rod 14, after the second latch 122 inserts pin hole 141, can stablize the straight-bar state that two connecting rods form.
Further, as shown in Figure 4, between first connecting rod 11 and third connecting rod 13, by I shape connecting rod 113, be connected, I shape connecting rod 113 comprises two cylinder cross bars 1131,1132 and a cylinder vertical pole 1133 that connects two cylinder cross bars, two cylinder cross bars 1131,1132 are arranged on first connecting rod 11 and the relative two ends of third connecting rod 13 in movable mode respectively, be also provided with and be convenient to the groove 1134 that cylinder vertical pole 1133 rotates around cylinder cross bar 1132 on the relative two ends of first connecting rod 11 and third connecting rod 13.
Particularly, the cylinder cross bar 1131 at I shape connecting rod 113 two ends, 1132 is all small column structure, small column structure is arranged on two connecting rods in mobilizable mode, make cylinder cross bar 1131, 1132 can rotate around axle center separately, effect due to groove 1134, cylinder vertical pole 1133 can unrestrictedly rotate, thereby first connecting rod 11 and third connecting rod 13 can be folded by I shape connecting rod 113, I shape connecting rod 113 has played the effect of hinge, the inside, one end that while first connecting rod 11 arranges cylinder cross bar 1131 is also provided with spring mechanism, the spring mechanism with certain precompression can hold out against I shape connecting rod 113, avoided I shape connecting rod 113 loosening cause between first connecting rod 11 and third connecting rod 13 be connected unstable.
Further, the 4th connecting rod 14 is provided with on one end of chalk sleeve 141 and is also provided with the second compasses point 142.
Particularly, the second compasses point 142 can support the use and draw ellipse with the first compasses point 131, draws oval process and is: rotate plotter device, make third connecting rod 13 and the 4th connecting rod 14 shapes at a certain angle; With line, the second compasses point 142 on the first compasses point 131 on third connecting rod 13 tops and the 4th connecting rod 14 tops is connected; Separately get one with the chalk sleeve of chalk, with chalk sleeve, the line between two connecting rods is tightened with retention wire in stretching state, under tensioned state, use the chalk setting-out that moves around can obtain an oval figure, this oval major axis length is line length, the first compasses point 131 places and the second compasses point 142 places are two focuses, and the distance between two compasses points is focal length.
Further, on the plotter that the present embodiment provides, be also provided with laser pen (not shown).
Particularly, in teaching process, when the content of courses is more complicated, if do not have eye-catching sign to give directions the content of courses to coordinate speech, can cause efficiency of teaching to reduce, in the present embodiment, laser pen can be arranged on one end that third connecting rod 13 or the 4th connecting rod are provided with compasses point, laser pen can allow user, in teaching, when speech, the emphasis of speech is carried out to real-time mark, makes teaching, presentation process more lively, has improved efficiency of teaching.
Further, as shown in Figure 1, chalk sleeve 141 and the 4th connecting rod 14 are hinged, and the hinged place of the 4th connecting rod 14 and chalk sleeve 141 is provided with is convenient to chalk sleeve 141 to rotate along hinged place the rear groove 143 reclaiming.
Particularly, one end of chalk sleeve 141 dress chalks outwardly in use, because chalk sleeve 141 can rotate along the hinged place with the 4th connecting rod 14, so obsolete time, can rotate chalk sleeve 141 chalk sleeve 141 is placed in groove 143 completely, when saving material reduced volume, can avoid the wearing and tearing of chalk sleeve 141.
Further, as shown in Figure 1, the first compasses point 131 places are installed on third connecting rod 13 and are built-in with for placing the retraction hole 132 of the first compasses point 131.
Particularly, the first compasses point 131 can be fastened on the top of third connecting rod 13 in use, can unclamp in the first compasses point 131 retraction retraction holes 132 obsolete time, can prevent the wearing and tearing of the first compasses point 131, increases service life.
Alternatively, the first compasses point 131 is Rubber end compasses points.
Particularly, the tip of Rubber end compasses point is soft, so safer when using, with respect to conventional metal material compasses point, Rubber end compasses point can avoid damaging in use the objects such as blackboard of being pushed down by compasses point.
The plotter that the utility model embodiment provides is by by a plurality of rod hinge connections and angle scale, compasses point and chalk sleeve are set on connecting rod, together with the integrated function of ruler, compasses and protractor, the comprehensive volume that has reduced these teaching aids, has facilitated and has carried and deposit; Can switch accomplish linear and the drafting of camber line, the measurement of angle has improved efficiency of teaching by changing the shape of plotter simultaneously.Fluted disc is also provided on the plotter providing in the present embodiment, can be as the angular surveying instrument of redundancy; The laser pen arranging on third connecting rod, for the mark content of courses, has improved efficiency of teaching equally.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a Multi-function drawing-instrument for teaching, described plotter comprises: first connecting rod, second connecting rod, third connecting rod and the 4th connecting rod, one end of described first connecting rod and one end of described second connecting rod are hinged, the hinged place of described first connecting rod and described second connecting rod is provided with the angle scale with angle value groove, and described angle scale is coaxial with the jointed shaft of described first connecting rod and described second connecting rod;
The other end of described first connecting rod is connected with one end of described third connecting rod, and the first compasses point is installed on the other end of described third connecting rod;
Described second connecting rod is not hinged with one end of the hinged one end of described first connecting rod and described the 4th connecting rod, on the other end of described the 4th connecting rod, chalk sleeve is installed.
2. plotter according to claim 1, it is characterized in that: described second connecting rod and described first connecting rod are fixed with fluted disc on hinged one end, described fluted disc is coaxial with the jointed shaft of described second connecting rod and described first connecting rod, described fluted disc edge is provided with the tooth corresponding with the described angle value groove of described angle scale, and described tooth equidistantly waits size setting.
3. plotter according to claim 2, is characterized in that: described first connecting rod and described second connecting rod are provided with first latch that can block described fluted disc on hinged one end.
4. plotter according to claim 1, it is characterized in that: on the two ends that described second connecting rod and described the 4th connecting rod are hinged, be respectively arranged with the second latch, latch groove and with the matching used pin hole of described the second latch, described the second latch is L shaped latch, the insertion state that described latch groove is corresponding described L shaped latch and the F shape groove of extracting state setting, described pin hole is cylinder hole.
5. plotter according to claim 1, it is characterized in that: between described first connecting rod and described third connecting rod, by I shape connecting rod, be connected, described I shape connecting rod comprises two cylinder cross bars and a cylinder vertical pole that connects two described cylinder cross bars, two described cylinder cross bars are arranged on described first connecting rod and the relative two ends of described third connecting rod in movable mode respectively, be also provided with and be convenient to the groove that described cylinder vertical pole rotates on the relative two ends of described first connecting rod and described third connecting rod.
6. plotter according to claim 1, is characterized in that: described the 4th connecting rod is provided with on one end of described chalk sleeve and is also provided with the second compasses point.
7. plotter according to claim 1, is characterized in that: on described plotter, be also provided with laser pen.
8. plotter according to claim 1, is characterized in that: described chalk sleeve and described the 4th rod hinge connection, the hinged place of described the 4th connecting rod and described chalk sleeve is provided with is convenient to described chalk sleeve to rotate along hinged place the rear groove reclaiming.
9. plotter according to claim 1, is characterized in that: described the first compasses point place is installed on described third connecting rod and is built-in with for placing the retraction hole of described the first compasses point.
10. plotter according to claim 1, is characterized in that: described the first compasses point is Rubber end compasses points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213433.0U CN203920153U (en) | 2014-04-29 | 2014-04-29 | A kind of Multi-function drawing-instrument for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213433.0U CN203920153U (en) | 2014-04-29 | 2014-04-29 | A kind of Multi-function drawing-instrument for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203920153U true CN203920153U (en) | 2014-11-05 |
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ID=51816021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420213433.0U Expired - Fee Related CN203920153U (en) | 2014-04-29 | 2014-04-29 | A kind of Multi-function drawing-instrument for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203920153U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394078A (en) * | 2016-10-25 | 2017-02-15 | 钟贵洪 | Angle measuring compass ruler |
| CN107293230A (en) * | 2017-07-07 | 2017-10-24 | 中建八局第二建设有限公司 | A kind of building site model display card of height and adjustable angle |
| CN111409382A (en) * | 2020-04-07 | 2020-07-14 | 周子轩 | Can accomodate teaching aid chi of teaching aid stick |
| CN112622483A (en) * | 2020-02-26 | 2021-04-09 | 孙开国 | A bill clamping device for financial accounting for bill arrangement |
-
2014
- 2014-04-29 CN CN201420213433.0U patent/CN203920153U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106394078A (en) * | 2016-10-25 | 2017-02-15 | 钟贵洪 | Angle measuring compass ruler |
| CN107293230A (en) * | 2017-07-07 | 2017-10-24 | 中建八局第二建设有限公司 | A kind of building site model display card of height and adjustable angle |
| CN112622483A (en) * | 2020-02-26 | 2021-04-09 | 孙开国 | A bill clamping device for financial accounting for bill arrangement |
| CN112622485A (en) * | 2020-02-26 | 2021-04-09 | 孙开国 | Clamping device is used in financial accounting bill arrangement |
| CN112622486A (en) * | 2020-02-26 | 2021-04-09 | 孙开国 | Financial accounting clamping device convenient to bill arrangement |
| CN111409382A (en) * | 2020-04-07 | 2020-07-14 | 周子轩 | Can accomodate teaching aid chi of teaching aid stick |
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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: 20141105 Termination date: 20150429 |
|
| EXPY | Termination of patent right or utility model |