CN204382999U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN204382999U CN204382999U CN201420785270.3U CN201420785270U CN204382999U CN 204382999 U CN204382999 U CN 204382999U CN 201420785270 U CN201420785270 U CN 201420785270U CN 204382999 U CN204382999 U CN 204382999U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- wiping
- fixed block
- block
- 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
Abstract
The utility model discloses a kind of multifunctional blackboard eraser, comprise the framework of blackboard and blackboard surrounding, framework arranged outside has the closed slide through fixed block in blackboard eraser, the surface that in blackboard eraser, fixed block is relative with blackboard is fixed with wiping block by thread gluing, another surperficial crest line place of blackboard eraser is provided with, and surface middle part is provided with circular port, rectangular opening and tri-angle-holed.The utility model completes the wiping of blackboard by the blackboard eraser be sleeved on guide rail, decrease wiping time used and workload, after the wiping block of blackboard eraser is taken off, the graduation mark in fixed block and circular port, rectangular opening and tri-angle-holed can also be utilized, add the normalization of drawing in teaching process, the wiping block taken off can also be cleared up easily.
Description
Technical field
The utility model belongs to the modifiers field of font, is specifically related to a kind of multifunctional blackboard eraser.
Background technology
As everyone knows, in the process of Learning in School, the most frequently used to instrument be exactly blackboard, chalk and blackboard eraser.As the educational method of Chinese tradition formula, writing on the blackboard is undoubtedly the most indispensable part of classroom teaching.
At present, the function of blackboard eraser is only blackboard wiping, and structure function is more single, does not have other functions, and the surface area of blackboard eraser is relative to blackboard, and Area comparison is little, needs repeatedly wiping whole blackboard could be cleaned out.
Summary of the invention
The utility model proposes for solving prior art Problems existing, its objective is and provides a kind of multifunctional blackboard eraser.
The technical solution of the utility model is: a kind of multifunctional blackboard eraser, comprise the framework of blackboard and blackboard surrounding, framework arranged outside has the closed slide through fixed block in blackboard eraser, the surface that in blackboard eraser, fixed block is relative with blackboard is fixed with wiping block by thread gluing, another surperficial crest line place of blackboard eraser is provided with, and surface middle part is provided with circular port, rectangular opening and tri-angle-holed.
Described fixed block and the guide clearance passed wherein coordinate.
The utility model completes the wiping of blackboard by the blackboard eraser be sleeved on guide rail, decrease wiping time used and workload, after the wiping block of blackboard eraser is taken off, the graduation mark in fixed block and circular port, rectangular opening and tri-angle-holed can also be utilized, add the normalization of drawing in teaching process, the wiping block taken off can also be cleared up easily.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model;
Fig. 2 is front view of the present utility model;
Fig. 3 is rearview of the present utility model.
Wherein:
1 blackboard 2 framework
3 guide rail 4 blackboard erasers
5 graduation mark 6 circular ports
7 rectangular openings 8 are tri-angle-holed
9 fixed block 10 wiping blocks
11 thread gluings.
Detailed description of the invention
Below, with reference to drawings and Examples, the utility model is described in detail:
As shown in Fig. 1 ~ 3, a kind of multifunctional blackboard eraser, comprise the framework 2 of blackboard 1 and blackboard 1 surrounding, framework 2 arranged outside has the closed slide 3 through fixed block 9 in blackboard eraser 4, the surface that in blackboard eraser 4, fixed block 9 is relative with blackboard 1 is fixed with wiping block 10 by thread gluing 11, another surperficial crest line place of blackboard eraser 4 is provided with 5, and surface middle part is provided with circular port 6, rectangular opening 7 and tri-angle-holed 8.
Described fixed block 9 and guide rail 3 matched in clearance of passing wherein.
Described wiping block 10 comprises the cavernous body of cleaning wiping cloth and cleaning wiping cloth parcel.
The utility model completes the wiping of blackboard by the blackboard eraser be sleeved on guide rail, decrease wiping time used and workload, after the wiping block of blackboard eraser is taken off, the graduation mark in fixed block and circular port, rectangular opening and tri-angle-holed can also be utilized, add the normalization of drawing in teaching process, the wiping block taken off can also be cleared up easily.
Claims (2)
1. a multifunctional blackboard eraser, comprise the framework (2) of blackboard (1) and blackboard (1) surrounding, it is characterized in that: framework (2) arranged outside has the closed slide (3) through fixed block (9) in blackboard eraser (4), the surface that in blackboard eraser (4), fixed block (9) is relative with blackboard (1) is fixed with wiping block (10) by thread gluing (11), another surperficial crest line place of blackboard eraser (4) is provided with (5), and surface middle part is provided with circular port (6), rectangular opening (7) and tri-angle-holed (8).
2. multifunctional blackboard eraser according to claim 1, is characterized in that: described fixed block (9) and guide rail (3) matched in clearance of passing wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785270.3U CN204382999U (en) | 2014-12-15 | 2014-12-15 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785270.3U CN204382999U (en) | 2014-12-15 | 2014-12-15 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204382999U true CN204382999U (en) | 2015-06-10 |
Family
ID=53355748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785270.3U Expired - Fee Related CN204382999U (en) | 2014-12-15 | 2014-12-15 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204382999U (en) |
-
2014
- 2014-12-15 CN CN201420785270.3U patent/CN204382999U/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: 20150610 Termination date: 20151215 |
|
| EXPY | Termination of patent right or utility model |