CN201610014U - Adjustable blackboard - Google Patents
Adjustable blackboard Download PDFInfo
- Publication number
- CN201610014U CN201610014U CN2009202125190U CN200920212519U CN201610014U CN 201610014 U CN201610014 U CN 201610014U CN 2009202125190 U CN2009202125190 U CN 2009202125190U CN 200920212519 U CN200920212519 U CN 200920212519U CN 201610014 U CN201610014 U CN 201610014U
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- CN
- China
- Prior art keywords
- blackboard
- battery
- adjustable
- switch
- hydraulic pressure
- 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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Abstract
The utility model provides an adjustable blackboard, which comprises a movable blackboard and a pushing device, wherein the pushing device comprises a battery, a hydraulic apparatus and a switch; the anode of the battery is connected with the anode of the hydraulic apparatus; the cathode of the hydraulic apparatus is connected with one end of the switch; the other end of the switch is connected with the cathode of the battery; the hydraulic apparatus and the battery are arranged at the back of the movable blackboard; and the switch is arranged at one side of the movable blackboard. With the pushing device, the blackboard can be pushed left and right to be good for students at the two sides to clearly see words on the blackboard. With a sliding guide way and a sliding wheel, the hydraulic apparatus can easily push the blackboard. The movable blackboard is simple in structure, convenient in use, low in cost, and easy in popularization and application.
Description
Technical field
The utility model relates to a kind of backboard, is specifically related to a kind of adjustable blackboard.
Background technology
Blackboard is not the plate face that refers in particular to black, says it is its plane that can write repeatedly on the traditional sense, and the plate face is hard, is used for teaching more.Mostly be black, blackish green, white.
Green plate plate face is blackish green, writes with chalk, does not stimulate people's eyes, helps the protection of eyesight; Blank plate face is a white, how to write with various water-based crayons; Color coated steel sheet plate face adopts the high duty alloy steel plate that is coated with wear-resistant coating, and is wear-resisting, do not come off, colour-fast, durable in use, writes good hand touch, and writing is clear, easily writes, and easily wipes examination, and dust is few; The new material composite plate is to be left intact through the disposal pressed moulding surface by polymer inlet alloying pellet and epoxy resin, fluent writing, writing is clear permanent non-slip, and is not reflective, wipes the back noresidue, visual effect is splendid, surface plate plate face is smooth smooth, and cambered plate plate face is a curved surface, prevents reflective, can make the student who is sitting in each corner also can see the writing on the blackboard writing clearly, be applicable to bigger classroom.The support portable plate is equipped with various supports with blackboard, conveniently moving, and purposes is wide.The draw back plate lifter plate can move along certain tracks is multidirectional, writes conveniently, is beneficial to and watches.
At present, a kind of electronic blackboard of prior art, comprise computer drive software SW1 and electronic blackboard software systems SW2 in display, transparent writing screen, conversion and communication interface, host computer and corresponding connection line, the host computer, transparent writing screen closely overlaps on the display, is connected with host computer with communication interface by conversion.The electronic blackboard complex structure of the prior art, the cost height, the maintenance and repair difficulty is big, is sitting in blackboard both sides local people far away and is inconvenient to see clearly word on the blackboard, is not easy to popularization and application.
In view of the above problems, the utility model discloses a kind of adjustable blackboard.It has technical characterictic as mentioned below, to solve existing problem.
The utility model content
The purpose of this utility model provides a kind of adjustable blackboard, and it can be divided into three parts with original blackboard, and the blackboard of both sides is removable, makes things convenient for the student of both sides to see word on the blackboard clearly.
The purpose of the adjustable blackboard of the utility model is achieved through the following technical solutions: a kind of adjustable blackboard comprises mobile blackboard and thrust unit.
Described thrust unit comprises battery, hydraulic pressure instrument and switch; The positive pole of described battery is connected with the positive pole of hydraulic pressure instrument, and the negative pole of described hydraulic pressure instrument is connected with an end of switch, and the other end of described switch is connected with the negative pole of battery.
Described hydraulic pressure instrument and battery are arranged on the mobile blackboard rear portion.
Described switch is arranged on a side of mobile blackboard by lead.
Above-mentioned adjustable blackboard, wherein, described mobile blackboard comprises housing and is arranged side by side three blackboards in housing; The size of described blackboard is 1/3rd of a housing, and the catch bar of hydraulic pressure instrument is connected with an end of blackboard.
Above-mentioned adjustable blackboard, wherein, described housing comprises framework and is separately positioned on three rail plates of upper/lower terminal in the framework, and every rail plate correspondence is provided with a blackboard, and the length of this rail plate is suitable with framework length.
Above-mentioned adjustable blackboard, wherein, described blackboard upper/lower terminal is interval with a plurality of pulleys, and pulley is move left and right in rail plate.
Above-mentioned adjustable blackboard, wherein, described housing is plastics or metal material.
The adjustable blackboard of the utility model makes it compared with prior art owing to adopted such scheme, has following advantage and good effect:
1, the adjustable blackboard of the utility model can will be passed about blackboard owing to be provided with thrust unit, and the classmate of help both sides sees the word on the blackboard clearly.
2, the adjustable blackboard of the utility model helps the hydraulic pressure instrument to pass blackboard owing to be provided with rail plate and pulley.
3, the adjustable blackboard structure of the utility model is simple, easy to use, and cost is low, is easy to popularization and application.
Below; to be described further by specific embodiment; yet embodiment only is giving an example of the optional embodiment of the utility model, and its disclosed feature only is used for explanation and sets forth the technical solution of the utility model, and is not used in qualification protection domain of the present utility model.
Description of drawings
Fig. 1 is the front view of the adjustable blackboard of the utility model.
Fig. 2 is the circuit theory diagrams of the thrust unit of the adjustable blackboard of the utility model.
The specific embodiment
According to claim of the present utility model and the disclosed content of utility model content, the technical solution of the utility model is specific as follows described.
See also shown in the accompanying drawing 1, the adjustable blackboard of the utility model comprises mobile blackboard 1 and thrust unit 2; Mobile blackboard 1 comprises housing 11 and is arranged side by side three blackboards 12 in housing 11, the size of blackboard 12 is 1/3rd of housings 11, housing 11 comprise framework 111 and be separately positioned on three rail plates 1111 of upper end in the framework 111 and framework 111 in three rail plates 1112 of lower ends, every rail plate 1111 and 1112 correspondences are provided with a blackboard 12, this rail plate 1111 and 1112 length are suitable with framework 111 length, on the blackboard 12, following two ends are interval with a plurality of pulleys 121, pulley 121 is move left and right in rail plate 1111 and 1112, housing 11 can adopt plastics or metal material, durable in use, not fragile.
See also shown in the accompanying drawing 2, thrust unit 2 comprises battery 21, hydraulic pressure instrument 22 and switch 23, the positive pole of battery 21 is connected with the positive pole of hydraulic pressure instrument 22, the negative pole of hydraulic pressure instrument 22 is connected with an end of switch 23, the other end of switch 23 is connected with the negative pole of battery 21, hydraulic pressure instrument 22 and battery 21 are arranged on mobile blackboard 1 rear portion, the catch bar (not shown) of hydraulic pressure instrument 22 is connected with an end of blackboard 12, hydraulic pressure instrument 22 moves by catch bar (not shown) control blackboard 12, and switch 23 is arranged on a side of mobile blackboard 1 by lead.
The using method of the adjustable blackboard of the utility model is, when the classmate of blackboard both sides does not see word on the blackboard 12, presses switch 23, connect the circuit of thrust unit 2, hydraulic pressure instrument 22 starts, and produces thrust, blackboard 12 is pushed into the other end of framework 111 by the catch bar (not shown).
In sum, the adjustable blackboard of the utility model can will be passed about blackboard owing to be provided with thrust unit, and the classmate of help both sides sees the word on the blackboard clearly; The utility model helps the hydraulic pressure instrument to pass blackboard owing to be provided with rail plate and pulley; The utility model is simple in structure, and is easy to use, and cost is low, is easy to popularization and application.
Foregoing is the exemplifying of specific embodiment of the adjustable blackboard of the utility model, for the wherein not equipment of detailed description and structure, should be understood to take existing common apparatus in this area and universal method to be implemented.
Claims (5)
1. an adjustable blackboard is characterized in that: comprise mobile blackboard and thrust unit;
Described thrust unit comprises battery, hydraulic pressure instrument and switch; The positive pole of described battery is connected with the positive pole of hydraulic pressure instrument, and the negative pole of described hydraulic pressure instrument is connected with an end of switch, and the other end of described switch is connected with the negative pole of battery;
Described hydraulic pressure instrument and battery are arranged on the mobile blackboard rear portion;
Described switch is arranged on a side of mobile blackboard by lead.
2. adjustable blackboard according to claim 1 is characterized in that: described mobile blackboard comprises housing and is arranged side by side three blackboards in housing; The size of described blackboard is 1/3rd of a housing, and the catch bar of hydraulic pressure instrument is connected with an end of blackboard.
3. adjustable blackboard according to claim 2, it is characterized in that: described housing comprises framework and is separately positioned on three rail plates of upper/lower terminal in the framework, every the rail plate correspondence is provided with a blackboard, and the length of this rail plate is suitable with framework length.
4. adjustable blackboard according to claim 1 is characterized in that: described blackboard upper/lower terminal is interval with a plurality of pulleys, and pulley is move left and right in rail plate.
5. adjustable blackboard according to claim 2 is characterized in that: described housing is plastics or metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202125190U CN201610014U (en) | 2009-12-04 | 2009-12-04 | Adjustable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202125190U CN201610014U (en) | 2009-12-04 | 2009-12-04 | Adjustable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201610014U true CN201610014U (en) | 2010-10-20 |
Family
ID=42960647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202125190U Expired - Fee Related CN201610014U (en) | 2009-12-04 | 2009-12-04 | Adjustable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201610014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891172A (en) * | 2018-07-09 | 2018-11-27 | 许春燕 | A kind of band shot-light blackboard |
-
2009
- 2009-12-04 CN CN2009202125190U patent/CN201610014U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108891172A (en) * | 2018-07-09 | 2018-11-27 | 许春燕 | A kind of band shot-light blackboard |
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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: 20101020 Termination date: 20101204 |