CN202512767U - Call rolling box - Google Patents
Call rolling box Download PDFInfo
- Publication number
- CN202512767U CN202512767U CN2012201704662U CN201220170466U CN202512767U CN 202512767 U CN202512767 U CN 202512767U CN 2012201704662 U CN2012201704662 U CN 2012201704662U CN 201220170466 U CN201220170466 U CN 201220170466U CN 202512767 U CN202512767 U CN 202512767U
- Authority
- CN
- China
- Prior art keywords
- bead
- housing
- utility
- classmate
- roll
- 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 relates a call rolling box which comprises a cuboid non-transparent shell (2), wherein a round hole (1) of which the diameter is 8-12cm is arranged at the top of the shell (2); a plurality of small balls (3) of which the diameters are 2-5cm are arranged inside the shell (2), and the name of a schoolmate in the class is marked on each small ball (3). The problem that the probability that a teacher questions the students unevenly is solved.
Description
Technical field
The utility model relates to a kind of roll-call case.
Background technology
On the classroom of school, teacher can often make some classmates get up to answer a question, to check its teaching efficiency.But a lot of teachers often have the preference of oneself when calling the roll, unfairness concerning the student is unfavorable for that also teachers check the quality of instruction of oneself like this.
The utility model content
The utility model technical matters to be solved is that a kind of roll-call case is provided.Use this roll-call case can inspect classmate in the class very liberally by random samples, put question to student's probability uneven problem to solve present teacher.
In order to solve this technical matters, the utility model adopts following technical scheme:
A kind of roll-call case is characterized in that: comprise a rectangular-shaped opaque housing; It is 8-12 centimetre circular hole that the end face of said housing is provided with a diameter; Some diameter 2-5 centimetres bead is housed in the said housing; Each bead is marked with a classmate's name in the class.
The good effect of the utility model is:
When using the utility model roll-call case, can be in advance will the classmate of class name be labeled on the bead, again bead is all put into housing through circular hole.When needs were inspected by random samples, teachers can stretch into housing with hand through circular hole, touched out a bead at random, putd question to the classmate who has marked name on the bead.Such sampling observation mode is all very fair for each classmate.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, a kind of roll-call case comprises a rectangular-shaped opaque housing 2; It is 8-12 centimetre circular hole 1 that the end face of said housing 2 is provided with a diameter; Some diameter 2-5 centimetres bead 3 is housed in the said housing 2; Each bead 3 is marked with a classmate's name in the class.
When using the utility model roll-call case, can be in advance will the classmate of class name be labeled on the bead 3, again bead 3 is all put into housing 2 through circular hole 1.When needs were inspected by random samples, teachers can stretch into housing 2 with hand through circular hole 1, touched out a bead 3 at random, putd question to the classmate who has marked name on the bead 3.Such sampling observation mode is all very fair for each classmate.
Claims (1)
1. a roll-call case is characterized in that: comprise a rectangular-shaped opaque housing (2); It is 8-12 centimetre circular hole (1) that the end face of said housing (2) is provided with a diameter; Some diameter 2-5 centimetres bead (3) is housed in the said housing (2); Each bead (3) is marked with a classmate's name in the class.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201704662U CN202512767U (en) | 2012-04-21 | 2012-04-21 | Call rolling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201704662U CN202512767U (en) | 2012-04-21 | 2012-04-21 | Call rolling box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202512767U true CN202512767U (en) | 2012-10-31 |
Family
ID=47065231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201704662U Expired - Fee Related CN202512767U (en) | 2012-04-21 | 2012-04-21 | Call rolling box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202512767U (en) |
-
2012
- 2012-04-21 CN CN2012201704662U patent/CN202512767U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20130421 |