CN202331925U - Arithmetic frame - Google Patents
Arithmetic frame Download PDFInfo
- Publication number
- CN202331925U CN202331925U CN2011204752076U CN201120475207U CN202331925U CN 202331925 U CN202331925 U CN 202331925U CN 2011204752076 U CN2011204752076 U CN 2011204752076U CN 201120475207 U CN201120475207 U CN 201120475207U CN 202331925 U CN202331925 U CN 202331925U
- Authority
- CN
- China
- Prior art keywords
- water
- support arm
- utility
- model
- water writing
- 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 discloses an arithmetic frame, belonging to the technical field of school supplies. In a technical scheme disclosed by the utility model, the arithmetic frame comprises a water writing board, and is characterized in that the front end of the water writing board is provided with a curved arm which is provided with abacus beads, the side face of the water writing board is provided with a support arm which is provided with a plurality of sliding cross rods, and the upper section of the support arm is provided with a casing pipe which is internally provided with a water writing pen. The arithmetic frame disclosed by the utility model is simple in structure, convenient to carry by elementary students during addition and subtraction study, convenient for writing and recording, and favorable for reducing the study difficulty of the students.
Description
Technical field: the utility model belongs to the schooling apparatus technical field, is a kind of frame that counts specifically.
Background technology: the pupil is to carry out the fluctuation number number with objects of reference such as bead or wooden sticks when the study plus-minus method mostly, carries very inconvenience like this, and is not easy to written record, has increased great learning difficulty to the pupil.
Summary of the invention: it is easy to carry when the study plus-minus method that the purpose of the utility model provides a kind of pupil, and be convenient to the frame that counts of written record.
The technical scheme of the utility model is: comprise water-writing plate, it is characterized in that being provided with curved boom at the water-writing plate front end that curved boom is provided with bead, the water-writing plate side is provided with support arm, and support arm is provided with several and slides cross bar, and the support arm epimere is provided with sleeve pipe, is provided with water in the sleeve pipe and writes pen.
The beneficial effect of the utility model is: the utility model is simple in structure, and the pupil is easy to carry when the study plus-minus method, and is convenient to written record, has alleviated the Students'learning difficulty.
Description of drawings: accompanying drawing 1 is the structural representation of the utility model.
Among the figure 1, water-writing plate, 2, curved boom, 3, bead, 4, support arm, 5, slide cross bar, 6, sleeve pipe, 7, water writes pen.
Embodiment: comprise water-writing plate 1, it is characterized in that being provided with curved boom 2 at water-writing plate 1 front end that curved boom 2 is provided with bead 3, water-writing plate 1 side is provided with support arm 4, and support arm 4 is provided with several and slides cross bar 5, and support arm 4 epimeres are provided with sleeve pipe 6, is provided with water in the sleeve pipe 6 and writes pen 7.The pupil is in study during plus-minus method, and by bead 3 or slide cross bar 5 and make marks, water intaking is write pen 7 written record on water-writing plate 1 and got final product.
Claims (1)
1. frame counts; Comprise water-writing plate (1), it is characterized in that: be provided with curved boom (2) at water-writing plate (1) front end, curved boom (2) is provided with bead (3); Water-writing plate (1) side is provided with support arm (4); Support arm (4) is provided with several and slides cross bar (5), and support arm (4) epimere is provided with sleeve pipe (6), is provided with water in the sleeve pipe (6) and writes pen (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204752076U CN202331925U (en) | 2011-11-16 | 2011-11-16 | Arithmetic frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204752076U CN202331925U (en) | 2011-11-16 | 2011-11-16 | Arithmetic frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202331925U true CN202331925U (en) | 2012-07-11 |
Family
ID=46443897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204752076U Expired - Fee Related CN202331925U (en) | 2011-11-16 | 2011-11-16 | Arithmetic frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202331925U (en) |
-
2011
- 2011-11-16 CN CN2011204752076U patent/CN202331925U/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: 20120711 Termination date: 20121116 |