CN2274140Y - Slide-rail for blackboard eraser - Google Patents

Slide-rail for blackboard eraser Download PDF

Info

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
Application number
CN 96248741
Other languages
Chinese (zh)
Inventor
张忠海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 96248741 priority Critical patent/CN2274140Y/en
Application granted granted Critical
Publication of CN2274140Y publication Critical patent/CN2274140Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • 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

Slide-rail for blackboard eraser
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).
CN 96248741 1996-12-27 1996-12-27 Slide-rail for blackboard eraser Expired - Fee Related CN2274140Y (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN207115950U (en) A kind of educational propaganda plate of convenient regulation
CN205264298U (en) Publicity column for ideological and political theory teaching
CN2274140Y (en) Slide-rail for blackboard eraser
CN208400329U (en) A kind of teaching auxiliary device
CN208970034U (en) A kind of road publicity social safety science and technology and education Sign Board
CN210516126U (en) Ideology and politics propaganda show fence
CN206385906U (en) A kind of guard rail
CN208805936U (en) A kind of new teaching assistant teaching aid
CN206639442U (en) A kind of teaching showing stand
CN2186795Y (en) Special ladder stand for steel pipe iron tower
CN205609153U (en) Publicity column convenient to student's management is used
CN221040441U (en) Energy-saving type identification lamp box
CN211507048U (en) Engineering quality management bulletin device
CN2833776Y (en) High-visibility novel bus stop plate backed by solar energy
CN2318906Y (en) Lifting platform treadle
CN213035552U (en) Novel chinese language and literature education contrast explanation board
CN220911326U (en) Energy-saving garden lamp convenient to install and detach
CN2221628Y (en) Adjustable form shore
CN211308050U (en) Finance and economics colleges and universities practice teaching panel
CN206505589U (en) A kind of calligraphy practicing device
CN206147993U (en) Economics teaching wall map device
CN209879868U (en) Teaching device for Chinese international education
CN213096991U (en) Teaching explanation board for physical training
CN2364732Y (en) Sunshade and rainproof health school bag
CN2416725Y (en) Simple suspension structured plastic film greenhouse

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