CN202463335U - Portable teaching compass - Google Patents
Portable teaching compass Download PDFInfo
- Publication number
- CN202463335U CN202463335U CN2012200188572U CN201220018857U CN202463335U CN 202463335 U CN202463335 U CN 202463335U CN 2012200188572 U CN2012200188572 U CN 2012200188572U CN 201220018857 U CN201220018857 U CN 201220018857U CN 202463335 U CN202463335 U CN 202463335U
- Authority
- CN
- China
- Prior art keywords
- caliper
- calliper rule
- slide calliper
- compass
- portable
- 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 portable teaching compass, and belongs to teaching articles, in particular to a portable compass which can draw a circle conveniently and measure the size accurately. The portable teaching compass is characterized in that a supporting rod of which the bottom is provided with a suction disc is arranged in the middle of one end of a rectangular supporting plate; a handle perpendicular to the supporting rod is arranged on the top of the supporting rod; a caliper slot parallel to the long edge of the supporting plate is formed in the middle of the supporting plate; a drawable caliper is embedded into the caliper slot; a circular hole for inserting a chalk is formed at the end of the caliper; and a clamp for fixing the caliper is arranged on the supporting plate. The portable teaching compass has the advantages that due to the suction disc at the bottom of the supporting rod, the compass can be supported on a blackboard conveniently; the caliper is embedded into the caliper slot; the chalk is embedded into the circular hole at the end of the caliper; and when drawing the circle, a teacher adjusts the extension length of the caliper according to a demand and fixes the caliper by the clamp so as to draw the circle conveniently.
Description
Technical field
The utility model belongs to realia, particularly a kind of portable compasses that make things convenient for the picture circle and can accurately measure size.
Background technology
In the daily life, common compasses are underbraced when the blackboard upper drawing circle, and picture bowlder size is indefinite, can not accurately measure size.
The utility model content
Be inconvenient to draw the deficiency of circle in order to overcome existing educational compasses, the utility model provides a kind of portable educational compasses, and it is convenient that this portable educational compasses is not only drawn circle, and can accurately measure round size.
The utility model solves the technical scheme that its technical problem adopted: a kind of portable educational compasses; It is characterized in that: the support bar that sucker is equipped with in the bottom is equipped with at rectangular gripper shoe one end middle part; Supporting bar top has perpendicular handle, has in the middle of the gripper shoe one to grow the parallel slide calliper rule groove in limit with it, but the embedded pull slide calliper rule of slide calliper rule groove; The slide calliper rule termination is provided with the circular hole of inserting chalk, and the fixedly clip of slide calliper rule is arranged on the gripper shoe.
The beneficial effect of the utility model is that the sucker of support bar bottom can conveniently be supported on compasses on the blackboard, and in the slide calliper rule embedding slide calliper rule groove, the circular hole of the slide calliper rule end embeds a chalk; Draw bowlder; Regulate the length that slide calliper rule stretch out according to demand, and, can make things convenient for picture to justify with the fixing slide calliper rule of clip.
Description of drawings
Fig. 1 is the structural representation of the utility model,
Among the figure, 1. support bar, 2. gripper shoe, 3. slide calliper rule groove, 4. clip, 5. slide calliper rule, 6. chalk, 7. sucker, 8. circular hole.
The specific embodiment
The specific embodiment of the utility model is, and is as shown in the figure:
Claims (1)
1. portable educational compasses; It is characterized in that: the support bar that sucker is equipped with in the bottom is equipped with at rectangular gripper shoe one end middle part; Supporting bar top has perpendicular handle, has in the middle of the gripper shoe one to grow the parallel slide calliper rule groove in limit with it, but the embedded pull slide calliper rule of slide calliper rule groove; The slide calliper rule termination is provided with the circular hole of inserting chalk, and the fixedly clip of slide calliper rule is arranged on the gripper shoe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200188572U CN202463335U (en) | 2012-01-17 | 2012-01-17 | Portable teaching compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200188572U CN202463335U (en) | 2012-01-17 | 2012-01-17 | Portable teaching compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202463335U true CN202463335U (en) | 2012-10-03 |
Family
ID=46911523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200188572U Expired - Fee Related CN202463335U (en) | 2012-01-17 | 2012-01-17 | Portable teaching compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202463335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635695A (en) * | 2021-09-06 | 2021-11-12 | 浙江农林大学 | Telescopic folding multifunctional novel ruler for teaching and engineering drawing |
-
2012
- 2012-01-17 CN CN2012200188572U patent/CN202463335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635695A (en) * | 2021-09-06 | 2021-11-12 | 浙江农林大学 | Telescopic folding multifunctional novel ruler for teaching and engineering drawing |
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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: 20121003 Termination date: 20130117 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |