CN205468140U - Multi -functional graphics primitive for teaching - Google Patents
Multi -functional graphics primitive for teaching Download PDFInfo
- Publication number
- CN205468140U CN205468140U CN201620033735.9U CN201620033735U CN205468140U CN 205468140 U CN205468140 U CN 205468140U CN 201620033735 U CN201620033735 U CN 201620033735U CN 205468140 U CN205468140 U CN 205468140U
- Authority
- CN
- China
- Prior art keywords
- ruler
- slide block
- bolt
- bottom roller
- roller support
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a teaching aid specifically is a multi -functional teaching drawing apparatus, including vertical ruler, activity ruler, the upper end of vertical ruler has set firmly the gyro wheel support, going up and installing the gyro wheel on the gyro wheel support, the bottom roller support is installed to the lower extreme of vertical ruler, the bottom roller support can be followed vertical ruler and slided, installs the bottom roller on the bottom roller support, and the lower extreme of vertical ruler is equipped with the puller bolt that is used for the tight bottom roller support in top. The utility model discloses the teaching drawing apparatus is laborsaving, convenient, the technical scheme of the multi -functional teaching drawing apparatus fast, that the drawing precision high, the function is comprehensive of drawing.
Description
Technical field
This utility model relates to a kind of teaching aid, specifically a kind of multifunction teaching drawing appliance.
Background technology
On mathematics class, teacher needs to use the teaching drawing appliances such as ruler, bevel protractor, protractor and compasses to draw on blackboard, existing teaching drawing appliance has the disadvantage in that (1) needs to lift these teaching drawing appliances of use due to teacher, and the volume and weight of drawing appliance of imparting knowledge to students is relatively big, the most laborious and inconvenient；(2) function singleness of single teaching drawing appliance, teaching drawing appliance between with the use of difficulty, affect plotting speed and drafting accuracy.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, it is provided that a kind of laborsaving, convenient, plotting speed is fast, drafting accuracy is high, the technical scheme of the multifunction teaching drawing appliance of complete function.
Technical problem to be solved in the utility model realizes by the following technical solutions: a kind of multifunction teaching drawing appliance, including vertical ruler and movable ruler；The upper end of described vertical ruler is installed with upper roller support, on described upper roller support, upper roller is installed, the lower end of vertical ruler is provided with bottom roller support, described bottom roller support can vertically slide by ruler, being provided with bottom roller on bottom roller support, the lower end of vertical ruler is provided with the puller bolt for holding out against bottom roller support；
Be provided with the first slide block after described vertical ruler, described first slide block can vertically ruler length direction slide, the first slide block is provided with the first bolt and the second bolt；Vertical ruler is provided with the first elongated hole arranged along its length, the lower end of described movable ruler is provided with circular hole, described first bolt is by sequentially passing through the first elongated hole and circular hole before backward and can be fixed by the first nut screwing clamping, and described second bolt is through the first elongated hole and can be fixed by the second nut screwing clamping；
It is provided with the second slide block after described movable ruler, described second slide block can slide along activity to the length direction of ruler, second slide block is provided with the 3rd bolt, movable ruler is provided with the second elongated hole arranged along its length, and the 3rd bolt is through the second elongated hole and can be fixed by the 3rd nut screwing clamping；Second slide block is provided with chalk location-plate, and described chalk location-plate is provided with hole, chalk location；The lower end of movable ruler is provided with protractor.
The technical solution of the utility model also has: is provided with the first guide rail, described first slide block and the first slide after described vertical ruler and coordinates.
The technical solution of the utility model also has: the side of described bottom roller support is provided with the 3rd slide block, described 3rd slide block and the first slide and coordinates.
The technical solution of the utility model also has: is provided with the second guide rail, described second slide block and the second slide after described movable ruler and coordinates.
The technical solution of the utility model also has: described puller bolt is wing bolt, it is simple to hands is twisted.
The technical solution of the utility model also has: described first nut, the second nut and the 3rd nut are wing nut, it is simple to hands is twisted.
The technical solution of the utility model also has: the range of described vertical ruler is 1 ~ 1.5 meter, and the range of described movable ruler is 0.8 ~ 1.2 meter.
The technical solution of the utility model also has: described vertical ruler and movable ruler are lucite material.
During use, being arranged on blackboard by teaching drawing appliance by upper roller and bottom roller, upper roller and the top contact of blackboard, bottom roller contacts with the bottom of blackboard.Movable ruler can the first bolt be axis rotation, and throughput hornwork can adjust the angle between movable ruler and vertical ruler；Movable ruler can be slided by the first slide block vertically ruler.Chalk location-plate can be slided along movable ruler by the second slide block, to adjust the radius of circle, is placed in by chalk in hole, chalk location when drawing circular.
Relative to prior art, this utility model multifunction teaching drawing appliance have the beneficial effect that (1) multifunction teaching drawing appliance can be slidably mounted on blackboard by upper roller and bottom roller, need not teacher lift and get final product graphing, laborsaving convenience, plotting speed and drafting accuracy can be improved；(2) function of integrated ruler, bevel protractor, protractor and compasses is, complete function, accurate positioning between drawing instrument, with the use of convenient, it is possible to increase plotting speed and drafting accuracy；(3) position of bottom roller is adjustable, it is possible to use the blackboard of different width dimensions, highly versatile.
Accompanying drawing explanation
Fig. 1 is the structural representation of multifunction teaching drawing appliance.
Fig. 2 is the structural representation in Figure 1A portion.
Fig. 3 is the structural representation in Figure 1B portion.
Fig. 4 is the structural representation in Fig. 1 C portion.
Fig. 5 is the structural representation in Fig. 1 D portion.
Fig. 6 is the front view of multifunction teaching drawing appliance.
Fig. 7 is the side view of multifunction teaching drawing appliance.
Fig. 8 is the rearview of multifunction teaching drawing appliance.
Fig. 9 is the structural representation of the first slide block.
Figure 10 is the structural representation of the second slide block.
Figure 11 is the structural representation of bottom roller support.
In figure: 1, vertical ruler, 2, movable ruler, 3, upper roller support, 4, upper roller, 5, bottom roller support, 6, bottom roller, 7, puller bolt, the 8, first slide block, 9, the first bolt, the 10, second bolt, the 11, first elongated hole, the 12, first nut, 13, the second nut, the 14, second slide block, the 15, the 3rd bolt, the 16, second elongated hole, 17, the 3rd nut, 18, chalk location-plate, 19, hole, chalk location, 20, protractor, 21, the first guide rail, the 22, the 3rd slide block, the 23, second guide rail.
Detailed description of the invention
For the technical characterstic of this programme can be clearly described, below according to accompanying drawing, this utility model detailed description of the invention is described further.
As shown in Fig. 1 ~ Figure 11, a kind of multifunction teaching drawing appliance, it is lucite material including vertical ruler 1 and movable ruler 2, vertical ruler 1 and movable ruler 2, the range of vertical ruler 1 is 1.5 meters, and the range of described movable ruler 2 is 1 meter.
The upper end of vertical ruler 1 is installed with upper roller support 3, and upper roller support 3 is provided with upper roller 4；It is provided with the first guide rail 21 after vertical ruler 1, the lower end of vertical ruler 1 is provided with bottom roller support 5, bottom roller 6 is installed on bottom roller support 5, the side of bottom roller support 5 is provided with the 3rd slide block 22, described 3rd slide block 22 is slidably matched with the first guide rail 21, and the lower end of vertical ruler 1 is provided with the puller bolt 7 for holding out against bottom roller support 5.
Vertical ruler 1 is provided with the first slide block 8 being slidably matched with the first guide rail 21 below, the first slide block 8 can the length direction slip of vertically ruler 1, the first slide block 8 is provided with the first bolt 9 and the second bolt 10；Vertical ruler 1 is provided with the first elongated hole 11 arranged along its length, the lower end of movable ruler 2 is provided with circular hole, first bolt 9 sequentially passes through the first elongated hole 11 and circular hole and can tighten fixing by the first nut 12 before backward, and the second bolt 10 is through the first elongated hole 11 and can tighten fixing by the second nut 13.
It is provided with the second guide rail 23 and the second slide block 14 being slidably matched with the second guide rail 23 after movable ruler 2, second slide block 14 is provided with the 3rd bolt 15, movable ruler 2 is provided with the second elongated hole 16 arranged along its length, and the 3rd bolt 15 is through the second elongated hole 16 and can tighten fixing by the 3rd nut 17；Second slide block 14 is provided with chalk location-plate 18, and described chalk location-plate 18 is provided with hole 19, chalk location；The lower end of movable ruler 2 is provided with protractor 20.
Puller bolt 7 is wing bolt, and first nut the 12, second nut 13 and the 3rd nut 17 are wing nut, it is simple to hands is twisted.
During use, being arranged on blackboard by teaching drawing appliance by upper roller 4 and bottom roller 6, upper roller 4 and the top contact of blackboard, bottom roller 6 contacts with the bottom of blackboard.Movable ruler 2 can the first bolt 9 be axis rotation, and throughput hornwork 20 can adjust the angle between movable ruler 2 and vertical ruler 1；Movable ruler 2 can be slided by the first slide block 8 vertically ruler 1.Chalk location-plate 18 can be slided along movable ruler 2 by the second slide block 14, to adjust the radius of circle, is placed in by chalk in hole 19, chalk location when drawing circular.
Above in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but this utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to make a variety of changes on the premise of without departing from this utility model objective.
Claims (8)
1. a multifunction teaching drawing instrument, it is characterised in that: include vertical ruler (1) and movable ruler (2)；The upper end of described vertical ruler (1) is installed with upper roller support (3), on described upper roller support (3), upper roller (4) is installed, the lower end of vertical ruler (1) is provided with bottom roller support (5), described bottom roller support (5) can vertically be slided by ruler (1), being provided with bottom roller (6) on bottom roller support (5), the lower end of vertical ruler (1) is provided with the puller bolt (7) for holding out against bottom roller support (5)；
Be provided with the first slide block (8) after described vertical ruler (1), described first slide block (8) can vertically ruler (1) length direction slide, the first slide block (8) is provided with the first bolt (9) and the second bolt (10)；Vertical ruler (1) is provided with the first elongated hole (11) arranged along its length, the lower end of described movable ruler (2) is provided with circular hole, described first bolt (9) sequentially passes through the first elongated hole (11) and circular hole and can tighten fixing by the first nut (12) before backward, and described second bolt (10) is through the first elongated hole (11) and can tighten fixing by the second nut (13)；
It is provided with the second slide block (14) after described movable ruler (2), described second slide block (14) can be slided along activity to the length direction of ruler (2), second slide block (14) is provided with the 3rd bolt (15), movable ruler (2) is provided with the second elongated hole (16) arranged along its length, and the 3rd bolt (15) is through the second elongated hole (16) and can tighten fixing by the 3rd nut (17)；Second slide block (14) is provided with chalk location-plate (18), and described chalk location-plate (18) is provided with chalk hole, location (19)；The lower end of movable ruler (2) is provided with protractor (20).
Multifunction teaching drawing instrument the most according to claim 1, it is characterised in that: being provided with the first guide rail (21) after described vertical ruler (1), described first slide block (8) is slidably matched with the first guide rail (21).
Multifunction teaching drawing instrument the most according to claim 2, it is characterised in that: the side of described bottom roller support (5) is provided with the 3rd slide block (22), and described 3rd slide block (22) is slidably matched with the first guide rail (21).
Multifunction teaching drawing instrument the most according to claim 1, it is characterised in that: being provided with the second guide rail (23) after described movable ruler (2), described second slide block (14) is slidably matched with the second guide rail (23).
5. according to the arbitrary described multifunction teaching drawing instrument of claim 1 ~ 4, it is characterised in that: described puller bolt (7) is wing bolt.
6. according to the arbitrary described multifunction teaching drawing instrument of claim 1 ~ 4, it is characterised in that: described first nut (12), the second nut (13) and the 3rd nut (17) are wing nut.
7. according to the arbitrary described multifunction teaching drawing instrument of claim 1 ~ 4, it is characterised in that: the range of described vertical ruler (1) is 1 ~ 1.5 meter, and the range of described movable ruler (2) is 0.8 ~ 1.2 meter.
8. according to the arbitrary described multifunction teaching drawing instrument of claim 1 ~ 4, it is characterised in that: described vertical ruler (1) and movable ruler (2) are lucite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033735.9U CN205468140U (en) | 2016-01-14 | 2016-01-14 | Multi -functional graphics primitive for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033735.9U CN205468140U (en) | 2016-01-14 | 2016-01-14 | Multi -functional graphics primitive for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205468140U true CN205468140U (en) | 2016-08-17 |
Family
ID=56667735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620033735.9U Expired - Fee Related CN205468140U (en) | 2016-01-14 | 2016-01-14 | Multi -functional graphics primitive for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205468140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538968A (en) * | 2016-01-14 | 2016-05-04 | 丁明伟 | Multifunctional drawing tool for teaching |
-
2016
- 2016-01-14 CN CN201620033735.9U patent/CN205468140U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538968A (en) * | 2016-01-14 | 2016-05-04 | 丁明伟 | Multifunctional drawing tool for teaching |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20170114 |