CN2274140Y - Slide-rail for blackboard eraser - Google Patents
Slide-rail for blackboard eraser Download PDFInfo
- Publication number
- CN2274140Y CN2274140Y CN 96248741 CN96248741U CN2274140Y CN 2274140 Y CN2274140 Y CN 2274140Y CN 96248741 CN96248741 CN 96248741 CN 96248741 U CN96248741 U CN 96248741U CN 2274140 Y CN2274140 Y CN 2274140Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- slide
- rail
- utility
- slide bar
- 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 relates to a slide rail for a blackboard eraser, which belongs to a teaching auxiliary tool. The utility model comprises a slide bar and a shrinkage braking wheel which is arranged on the slide bar. The utility model utilizes the characteristics of the shrinkage braking wheel, which causes the shrinkage braking wheel to cooperate with the slide rail. So the purpose of bearing the weight of a blackboard eraser is achieved, and the transverse and longitudinal movement of the blackboard eraser are not hindered. The utility model has the characteristics of simple structure and easy use.
Description
The utility model is a kind of Slide-rail for blackboard eraser, belongs to a kind of teaching appurtenance.
Erase the board teacher Shi, the regular Nodong of student, and the weight of blackboard eraser itself has increased the Nodong amount to a certain extent.The particularly appearance of electric eraser in recent years makes this problem more obvious.
The purpose of this utility model is: the motion when designing a kind of erasing the board can be born blackboard eraser part weight again and alleviate the Slide-rail for blackboard eraser of teachers and students' labour intensity.
The utility model comprises a slide bar and the contraction braked wheel that is installed on the slide bar, it is to have utilized the characteristics of shrinking braked wheel, it is cooperated with the slide rail that is fixed on the blackboard top can reach the horizontal and lengthwise movement that the purpose of bearing blackboard eraser weight does not hinder blackboard eraser again.When concrete the use, the top that slide rail of the present utility model is installed in blackboard get final product, and the contraction braked wheel then can have locating hole by on the multiple support that preferably is installed in its two ends such as hook, link on the support.In addition, its lead is moved simultaneously, therefore, also the steel wire parallel with slide bar or other silk thread can be installed on support of the present utility model, and link is installed thereon, lead is cooperated with it for electric eraser.
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated.
Fig. 1 is the user mode figure of the utility model embodiment;
Wherein, the 1-supply socket, the 2-power line, 3-shrinks braked wheel, 4-hook, 5-electric eraser, 6-blackboard, 7-slide bar, 8-steel wire, 9-support.
The utility model by support 9, be installed in slide bar 7, the steel wire 8 on the support 9 and the contraction braked wheel 3 that is installed on the slide bar 7 is formed.Wherein, support 9 is made up of two back-up blocks, has locating hole on it respectively, and the slide bar 7 that is parallel to each other and the two ends of steel wire 8 are installed on two back-up blocks, and wherein, steel wire 8 is positioned at the top of slide bar 7, and has the power line link on the steel wire 8.The contraction braked wheel of present embodiment is installed on the slide bar 7 by a hook 4.In use, present embodiment is fixed on the top of blackboard 6 by its support 9, and electric eraser 5 is connected to the outer end of the lead-in wire that shrinks braked wheel 3, and link caused supply socket 1 place when its power line 2 was upward through on the steel wire 8.
Can be found out by the above, the utlity model has characteristics simple in structure, easy to use.
Claims (4)
1, a kind of Slide-rail for blackboard eraser is characterized in that: it comprises a slide bar (7) and is installed in contraction braked wheel (3) on the slide bar (7).
2, Slide-rail for blackboard eraser according to claim 1 is characterized in that: shrink braked wheel (3) and be installed on the slide bar by a hook (4).
3, Slide-rail for blackboard eraser according to claim 1 and 2 is characterized in that: said slide bar (7) is installed on the support (9) at its two ends, and support has locating hole on (9).
4, Slide-rail for blackboard eraser according to claim 3 is characterized in that: the steel wire that have link (8) parallel with slide bar (7) is installed on the support (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96248741 CN2274140Y (en) | 1996-12-27 | 1996-12-27 | Slide-rail for blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96248741 CN2274140Y (en) | 1996-12-27 | 1996-12-27 | Slide-rail for blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2274140Y true CN2274140Y (en) | 1998-02-11 |
Family
ID=33920528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96248741 Expired - Fee Related CN2274140Y (en) | 1996-12-27 | 1996-12-27 | Slide-rail for blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2274140Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714797A (en) * | 2022-04-21 | 2022-07-08 | 日照职业技术学院 | Multifunctional display board for financial management and use method thereof |
-
1996
- 1996-12-27 CN CN 96248741 patent/CN2274140Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114714797A (en) * | 2022-04-21 | 2022-07-08 | 日照职业技术学院 | Multifunctional display board for financial management and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |