CN203344561U - Blackboard for mathematics teaching - Google Patents
Blackboard for mathematics teaching Download PDFInfo
- Publication number
- CN203344561U CN203344561U CN 201320405964 CN201320405964U CN203344561U CN 203344561 U CN203344561 U CN 203344561U CN 201320405964 CN201320405964 CN 201320405964 CN 201320405964 U CN201320405964 U CN 201320405964U CN 203344561 U CN203344561 U CN 203344561U
- Authority
- CN
- China
- Prior art keywords
- sliding groove
- blackboard
- elastic telescopic
- telescopic chalk
- groove
- 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
Links
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a blackboard for mathematics teaching. The blackboard comprises a blackboard body, a lower sliding groove is formed in the lower end of the blackboard body, a side sliding groove is formed in one side of the blackboard body, and two parallel elastic telescopic chalk holders are arranged inside the lower sliding groove, so that parallel lines can be drawn on the blackboard easily; an elastic telescopic chalk holder is arranged inside the side sliding groove, by the aid of the design of the elastic telescopic chalk holders at different positions, the lower sliding groove and the side sliding groove, teachers can draw at any position of the blackboard conveniently, an elastic switch is arranged on the lower portion of each elastic telescopic chalk holder, a clamping cylinder is arranged on the upper portion of each elastic telescopic chalk holder, the elastic telescopic chalk holders are quite simple and convenient to use, a touch type alarm apparatus is arranged at the upper end of the side sliding groove, and meanwhile, a touch type alarm apparatus is also arranged on the tail portion of one end of the lower sliding groove, which is far away from the side sliding groove, thus, the elastic telescopic chalk holders are prevented from falling onto the ground when moving in the side sliding groove and the lower sliding groove.
Description
Technical field
The utility model relates to the teaching aid field, especially a kind of mathematical education blackboard.
Background technology
In mathematical education, instructors needs the writing on the blackboard on blackboard of hand-held chalk, both unhygienic, and when the higher position writing on the blackboard of blackboard, also comparatively hard.
The utility model content
The utility model technical assignment is for above-mentioned technical deficiency, and the mathematical education blackboard is provided.
The technical scheme that the utility model technical solution problem adopts is: the mathematical education blackboard, comprise blackboard body, the lower end of described blackboard body is provided with gliding groove, one side of described blackboard body is provided with the sideslip groove, be provided with two elastic telescopic chalk holders that are parallel to each other in gliding groove, be provided with an elastic telescopic chalk holder in the sideslip groove, the bottom of described each elastic telescopic chalk holder is provided with elastic switch, top is provided with clamping cylinder, the upper end of described sideslip groove is provided with touch type Alarm, simultaneously, also be provided with touch type Alarm at described gliding groove away from an end afterbody of sideslip groove.
The beneficial effect that the utility model can bring is: facilitated mathematics teacher's writing on the blackboard on blackboard, drawing.
The accompanying drawing explanation
Fig. 1, the utility model overall structure schematic diagram;
The structural representation of Fig. 2, the utility model Elastic Telescopic chalk clamper.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described below:
As depicted in figs. 1 and 2, a kind of mathematical education blackboard that the utility model is announced, comprise blackboard body 1, the lower end of described blackboard body 1 is provided with gliding groove 2, one side of described blackboard body 1 is provided with sideslip groove 7, be provided with two elastic telescopic chalk holders 3 that are parallel to each other in gliding groove 2, so just can parallel lines have been drawn easily on blackboard, be provided with an elastic telescopic chalk holder 3 in sideslip groove 7, the elastic telescopic chalk holder 3 of diverse location and gliding groove 2, the design of sideslip groove 7, facilitated the teacher to be drawn in the optional position of blackboard, the bottom of described each elastic telescopic chalk holder 3 is provided with elastic switch 4, top is provided with clamping cylinder 5, use very simple, convenient.
The upper end of described sideslip groove 7 is provided with touch type Alarm 6, simultaneously, also be provided with touch type Alarm 6 at described gliding groove 2 away from an end afterbody of sideslip groove 7, can avoid like this elastic telescopic chalk holder 3 at sideslip groove 7 and gliding groove 2 is interior drops on the ground when mobile.
Claims (1)
1. mathematical education blackboard, it is characterized in that: comprise blackboard body, the lower end of described blackboard body is provided with gliding groove, one side of described blackboard body is provided with the sideslip groove, be provided with two elastic telescopic chalk holders that are parallel to each other in gliding groove, be provided with an elastic telescopic chalk holder in the sideslip groove, the bottom of described each elastic telescopic chalk holder is provided with elastic switch, top is provided with clamping cylinder, the upper end of described sideslip groove is provided with touch type Alarm, simultaneously, also be provided with touch type Alarm at described gliding groove away from an end afterbody of sideslip groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320405964 CN203344561U (en) | 2013-07-09 | 2013-07-09 | Blackboard for mathematics teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320405964 CN203344561U (en) | 2013-07-09 | 2013-07-09 | Blackboard for mathematics teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203344561U true CN203344561U (en) | 2013-12-18 |
Family
ID=49744493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320405964 Expired - Fee Related CN203344561U (en) | 2013-07-09 | 2013-07-09 | Blackboard for mathematics teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203344561U (en) |
-
2013
- 2013-07-09 CN CN 201320405964 patent/CN203344561U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20140709 |
|
| EXPY | Termination of patent right or utility model |