CN203780157U - Multi-purpose ruler for mathematics - Google Patents
Multi-purpose ruler for mathematics Download PDFInfo
- Publication number
- CN203780157U CN203780157U CN201420109640.1U CN201420109640U CN203780157U CN 203780157 U CN203780157 U CN 203780157U CN 201420109640 U CN201420109640 U CN 201420109640U CN 203780157 U CN203780157 U CN 203780157U
- Authority
- CN
- China
- Prior art keywords
- slide block
- ruler
- disk
- blackboard
- secondary chi
- 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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Abstract
The utility model discloses a multi-purpose ruler for mathematics. The multi-purpose ruler comprises a blackboard (1), wherein a longitudinal main ruler (2) is glidingly arranged between upper and lower side walls of the blackboard (1) and also serves as a sliding plate, a horizontal main ruler (3) is glidingly arranged between left and right side walls of the blackboard (1) and also serves as a sliding plate, a longitudinal slideway (11) and a horizontal slideway (5) are arranged in a slider (4) in a perpendicularly staggered manner, the longitudinal main ruler (2) is arranged in the longitudinal slideway (11) of the slider (4), the horizontal main ruler (3) is arranged in the horizontal slideway (5) of the slider (4) in a staggered manner, a disc (6) with 0-360 degrees is fixedly mounted at the upper part of the slider (4), a hinge pin (8) is mounted in a center (10) of the disc (6), an auxiliary ruler (7) is mounted at the upper part of the disc (6), the zero position of the auxiliary ruler (7) coincides with the center (10) of the disc (6), and a rotating disc (9) which also serves as a handle is mounted at the upper part of the hinge pin (8) and above the auxiliary ruler (7). With adoption of the structure, time and labor are saved, and a multipurpose effect is achieved by one teaching aid.
Description
Technical field
The utility model relates to a kind of mathematics teaching aid, relates in particular to a kind of Versatile ruler.
Background technology
At present, in mathematical education process, use the teaching aid mappings such as ruler, protractor, compasses commonplace, but all more single in use, in the time of teaching, use inconvenience, not only increase teacher's labour intensity, and wasted valuable instructional blocks of time.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, time saving and energy saving, the multi-purpose Versatile ruler of a kind of teaching aid.
The technical solution of the utility model is a kind of Versatile ruler, it comprises blackboard 1, it is characterized in that: that between the sidewall of the two side up and down of described blackboard 1, slides is provided with the longitudinal main scale 2 that doubles as slide plate, that between the wall sidewall of the left and right sides of described blackboard 1, slides is provided with the double horizontal main scale 3 that makees slide plate, what the internal vertical of one slide block 4 was interlocked is provided with end slipway 11 and transverse slipway 5, described longitudinal main scale 2 is arranged in the end slipway 11 of described slide block 4, in the transverse slipway that is arranged on described slide block 45 that described horizontal main scale 3 interlocks, be installed with the disk 6 with 0-360 ° on the top of described slide block 4, 10 positions, the center of circle of described disk 6 are provided with bearing pin 8, the zero-bit of secondary chi 7 and described secondary chi 7 is installed on the top of described disk 6 and the center of circle 10 of described disk 6 coincides, the rotating disk 9 of the handle of holding concurrently is installed on the top of described bearing pin 8 and on the top of described secondary chi 7.
The technical solution of the utility model also has the end slipway 11 of described slide block 4 to be arranged on the lower left side of described slide block 4, and the transverse slipway 5 of described slide block 4 is arranged on the top front end of described slide block 4.
What the technical solution of the utility model was also slided in addition on described secondary chi 7 is provided with chalk fixator 12.
The beneficial effects of the utility model are the longitudinal main scales 2 that double as slide plate that are provided with by sliding between the sidewall of two side up and down at described blackboard 1, that between the wall sidewall of the left and right sides of described blackboard 1, slides is provided with the double horizontal main scale 3 that makees slide plate, what the internal vertical of one slide block 4 was interlocked is provided with end slipway 11 and transverse slipway 5, described longitudinal main scale 2 is arranged in the end slipway 11 of described slide block 4, in the transverse slipway that is arranged on described slide block 45 that described horizontal main scale 3 interlocks, be installed with the disk 6 with 0-360 ° on the top of described slide block 4, 10 positions, the center of circle of described disk 6 are provided with bearing pin 8, the zero-bit of secondary chi 7 and described secondary chi 7 is installed on the top of described disk 6 and the center of circle 10 of described disk 6 coincides, the rotating disk 9 of the handle of holding concurrently is installed on the top of described bearing pin 8 and on the top of described secondary chi 7, when use, the position of the slip by moving slider on longitudinal main scale 2 and horizontal main scale 3, can draw the arbitrary line of the position, arbitrfary point on orthogonal direction, rotate again the ray that can draw by secondary chi 7 position, arbitrfary point different angles together with rotating disk 9 by secondary chi 7, can also be by the chalk fixator 12 on secondary chi 7 around center of circle synchronous rotary, rotate shown angle according to secondary chi 7 around disk 6, can draw the circle of any radius size in position, arbitrfary point, it is time saving and energy saving to have realized like this, the multi-purpose effect of a kind of teaching aid.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
Fig. 2 is the top view in Fig. 1
In Fig. 1,21, blackboard, 2, longitudinal main scale, 3, horizontal main scale, 4, slide block, 5, transverse slipway, 6, disk, 7, secondary chi, 8, bearing pin, 9, rotating disk, 10, the center of circle, 11, end slipway, 12, chalk fixator.
Detailed description of the invention
According to Fig. 1, shown in 2, the utility model relates to a kind of Versatile ruler, it comprises blackboard 1, that between the sidewall of the two side up and down of described blackboard 1, slides is provided with the longitudinal main scale 2 that doubles as slide plate, that between the wall sidewall of the left and right sides of described blackboard 1, slides is provided with the double horizontal main scale 3 that makees slide plate, what the internal vertical of one slide block 4 was interlocked is provided with end slipway 11 and transverse slipway 5, specifically: the end slipway 11 of described slide block 4 is arranged on the lower left side of described slide block 4, the transverse slipway 5 of described slide block 4 is arranged on the top front end of described slide block 4, described longitudinal main scale 2 is arranged in the end slipway 11 of described slide block 4, in the transverse slipway that is arranged on described slide block 45 that described horizontal main scale 3 interlocks, be installed with the disk 6 with 0-360 ° on the top of described slide block 4, 10 positions, the center of circle of described disk 6 are provided with bearing pin 8, the zero-bit of secondary chi 7 and described secondary chi 7 is installed on the top of described disk 6 and the center of circle 10 of described disk 6 coincides, that on described secondary chi 7, also slides is provided with chalk fixator 12, the rotating disk 9 of the handle of holding concurrently is installed on the top of described bearing pin 8 and on the top of described secondary chi 7, when use, the position of the slip by moving slider 4 on longitudinal main scale 2 and horizontal main scale 3, rotate shown angle according to secondary chi 7 around disk 6, can draw any horizontal or longitudinal straight line of the position, arbitrfary point on orthogonal direction, rotate again the ray that can draw by secondary chi 7 position, arbitrfary point different angles together with rotating disk 9 by secondary chi 7, can also be by the chalk fixator 12 on secondary chi 7 around center of circle synchronous rotary, rotate shown angle according to secondary chi 7 around disk 6, can draw the circle of any radius size in position, arbitrfary point, it is time saving and energy saving to have realized like this, the multi-purpose effect of a kind of teaching aid.
Claims (3)
1. a Versatile ruler, it comprises blackboard (1), it is characterized in that: that between the sidewall of the two side up and down of described blackboard (1), slides is provided with the longitudinal main scale (2) that doubles as slide plate, that between the wall sidewall of the left and right sides of described blackboard (1), slides is provided with the double horizontal main scale (3) that makees slide plate, what the internal vertical of one slide block (4) was interlocked is provided with end slipway (11) and transverse slipway (5), described longitudinal main scale (2) is arranged in the end slipway (11) of described slide block (4), in the transverse slipway that is arranged on described slide block (4) (5) that described horizontal main scale (3) interlocks, be installed with the disk (6) with 0-360 ° on the top of described slide block (4), the position, the center of circle (10) of described disk (6) is provided with bearing pin (8), the zero-bit of secondary chi (7) and described secondary chi (7) is installed on the top of described disk (6) and the center of circle (10) of described disk (6) coincides, the rotating disk (9) of the handle of holding concurrently is installed on the top of described bearing pin (8) and on the top of described secondary chi (7).
2. Versatile ruler according to claim 1, it is characterized in that: the end slipway (11) of described slide block (4) is arranged on the lower left side of described slide block (4), the transverse slipway (5) of described slide block (4) is arranged on the top front end of described slide block (4).
3. Versatile ruler according to claim 1 and 2, is characterized in that: that on described secondary chi (7), also slides is provided with chalk fixator (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109640.1U CN203780157U (en) | 2014-03-05 | 2014-03-05 | Multi-purpose ruler for mathematics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109640.1U CN203780157U (en) | 2014-03-05 | 2014-03-05 | Multi-purpose ruler for mathematics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203780157U true CN203780157U (en) | 2014-08-20 |
Family
ID=51316375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109640.1U Expired - Fee Related CN203780157U (en) | 2014-03-05 | 2014-03-05 | Multi-purpose ruler for mathematics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203780157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001249A (en) * | 2019-03-07 | 2019-07-12 | 山东师范大学 | Sport acts plotting unit and its application method |
-
2014
- 2014-03-05 CN CN201420109640.1U patent/CN203780157U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001249A (en) * | 2019-03-07 | 2019-07-12 | 山东师范大学 | Sport acts plotting unit and its application method |
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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: 20140820 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |