CN203210940U - Overturning type blackboard - Google Patents
Overturning type blackboard Download PDFInfo
- Publication number
- CN203210940U CN203210940U CN 201320189005 CN201320189005U CN203210940U CN 203210940 U CN203210940 U CN 203210940U CN 201320189005 CN201320189005 CN 201320189005 CN 201320189005 U CN201320189005 U CN 201320189005U CN 203210940 U CN203210940 U CN 203210940U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- groove
- sliding pin
- piece
- sell
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an overturning type blackboard. An upper through groove and a lower through groove are formed in the inner side of an upper frame and the inner side of a lower frame of a blackboard frame respectively, a plurality of blackboard blocks are arranged inside the through grooves, a first upper sliding pin and a second upper sliding pin are arranged on each blackboard block, a first lower sliding pin, a second lower sliding pin and a pull handle are arranged under each blackboard block, openings are formed in the upper through groove and the lower through groove, an upper baffle and a lower baffle are arranged in the upper through groove and the lower through groove, the upper sliding pins and the lower sliding pins of the blackboard blocks can be embedded in the upper through groove and the lower through groove through the openings and slid in the upper through groove and the lower through groove, one side of one blackboard block falls out of the upper through groove and the lower through groove, the other side of the blackboard block can slide in the upper through groove and the lower through groove, so that the blackboard block is overturned. The side of the blackboard block falling out is embedded into the upper through groove and the lower through groove again after overturning, and the blackboard returns to be in a writing state. A small motor, a rotating chain, a rotation shaft, a sliding block and erasing plate structures are arranged between the blackboard frame and the blackboard blocks when necessary. Both sides of the overturning type blackboard can be used for writing, and writing areas of the blackboard is increased.
Description
Technical field
The utility model relates to the teaching aid technical field, specifically, is a kind of convertible blackboard.
Background technology
" blackboard " is one of maximum teaching aid that up to the present uses at school and educational unit.But not at the blackboard that is traditional single form, it has become the general designation of various ways " blackboard " to present " blackboard ", and color is black not necessarily also.Although adopted many modern means of education at present teaching process, for example: the use in conjunction of uniting use, video recorder and screen of computer and projecting apparatus, magic lantern, film projection etc., but " blackboard " still has irreplaceable effect.At present, the deficiency of blackboard is also little by little being overcome, so it has had present various ways.With regard to strict viewpoint, present blackboard still is that area is limited, also has chalk dust to fly upward etc. when erasing the board.The blackboard of twitching up and down generally all is installed in the trapezoidal classroom of university, and whole blackboard often is made of the blackboard piece of four activities, writes for one to be over, and it up can be spurred, and top blackboard piece is put down continue to write.The write area of the blackboard piece of four activities is bigger than a blackboard certainly.But its deficiency is, the area that takies wall is big, and the blackboard piece of use is big and many.
The utility model content
The purpose of this utility model is to address the above problem, and a kind of convertible blackboard is provided, and it can improve the write area of blackboard under the situation that does not increase the blackboard area, be conducive to writing of writing on the blackboard in class.
For achieving the above object, the technical scheme taked of the utility model is as follows.
A kind of convertible blackboard, contain the blackboard frame, handle, ledge for chalk on blackboard, the blackboard that is made of some blackboard pieces is set in described blackboard frame, below described blackboard frame, ledge for chalk on blackboard is set, it is characterized in that, upper and lower frames side inwardly at described blackboard frame is provided with groove and following groove, on described, be provided with some blackboard pieces in groove and the following groove, two ends, the left and right sides on described every blackboard piece arrange on first sliding pin on the sliding pin and second, and the two ends, the left and right sides below described every blackboard piece arrange the first downslide untie-sell and the second downslide untie-sell and a described handle is set below the blackboard piece; The relevant position of groove and following groove sets gap and at described gap the first movable overhead gage and second overhead gage and movable first lower baffle plate and second lower baffle plate is set on described, described first overhead gage and second overhead gage and first lower baffle plate and second lower baffle plate by setting on it first on the finger and second finger and first time finger and second time finger described gap can be sealed; On on the described every block of blackboard agllutination member first on the sliding pin and second sliding pin and the first downslide untie-sell and the second downslide untie-sell gap by described relevant position can be embedded in and describedly go up in groove and the following groove and on described, slide in groove and the following groove; With described blackboard piece one side second on sliding pin and the first downslide untie-sell deviate from described groove and the following groove gone up by described gap, can with described blackboard piece opposite side first on sliding pin and the second downslide untie-sell groove and following groove on described slide, thereby described blackboard piece is overturn; After the upset, will deviate from again second on sliding pin and the first downslide untie-sell embed described groove and the following groove gone up, the state of writing of recovery blackboard again by the opposite side gap.
Further, 3～5 blackboard pieces are set in described blackboard frame.
Further, between described blackboard frame and described some blackboard pieces, small machine, swivel-chain, turning cylinder, slide block and wiping board structure are set, described wiping board is arranged on the slide block and with swivel-chain is connected, be close to the back side of described blackboard piece, described wiping board can move back and forth up and down under the drive of small machine and swivel-chain, one side in the operation that a motor switch is controlled described small machine that arranges of described blackboard frame.
Further, described wiping board is two wiping board structural members.
The good effect of a kind of convertible blackboard of the utility model is:
(1) constituted by 3～5 blackboard pieces big blackboardization is greatly little, every blackboard piece can be slided in last groove and following groove and overturn, the two sides of blackboard piece can both be write, enlarged the writing on the blackboard area of blackboard.
(2) slip of blackboard piece and overturn structure are practical, and structural member is made easily, and be easy to use.
(3) load onto wiping board and dynamic structure after, can realize that the machinery of blackboard piece is smeared wiping, can save teacher or student's muscle power, reduce contacting of people and chalk dust, make the forward and reverse continuous use of some blackboard pieces energy.
Description of drawings
Fig. 1 is the structural representation of a kind of convertible blackboard of the utility model.
Fig. 2 be among Fig. 1 A-A to the structure cutaway view.
Fig. 3 is the blackboard eraser head dynamic structure schematic diagram of a kind of convertible blackboard of the utility model.
Label among the figure is respectively:
1, blackboard frame; 11, the first blackboard piece; 12, the second blackboard piece; 13, the 3rd blackboard piece;
21, go up groove; 22, following groove; 31, sliding pin on first; 32, sliding pin on second;
41, finger on first; 42, finger on second; 51, first overhead gage; 52, second overhead gage;
6, handle; 71, first lower baffle plate; 72, second lower baffle plate; 81, the first downslide untie-sell;
82, the second downslide untie-sell; 91, the first downslide untie-sell; 92, the second downslide untie-sell; 10, ledge for chalk on blackboard;
1201, small machine; 1202, swivel-chain; 1203, turning cylinder; 1204, slide block;
1205, first wiping board; 1206, second wiping board.
The specific embodiment
Introduce the specific embodiment of a kind of convertible blackboard of the utility model below in conjunction with accompanying drawing.But it may be noted that enforcement of the present utility model is not limited to following embodiment.
Referring to attached Fig. 1 and 2.A kind of convertible blackboard contains the blackboard that arranges in the blackboard frame 1, blackboard frame 1, be made of the first blackboard piece 11, the second blackboard piece 12 and the 3rd blackboard piece 13.Described blackboard frame 1 and the first blackboard piece 11, the second blackboard piece 12 and the 3rd blackboard piece 13 can adopt wood structure member, both make easily, and component is also light, rotate easily, also can not injure the student.
Upper and lower frames side inwardly at described blackboard frame 1 arranges groove 21 and following groove 22 structures, and the relevant position of groove 21 and following groove 22 arranges gap on described, at described gap movable baffle arrangement spare (a corresponding blackboard piece need have first overhead gage 51 and second overhead gage 52 and movable first lower baffle plate 71 and second lower baffle plate, 72 4 agllutination members) is set: an end of described baffle arrangement spare is arranged on the blackboard frame 1 by the connecting axle (not shown), at the other end of described baffle arrangement spare finger 42 and first time finger 91 and second time finger 92 on the finger 41 and second are set on first, on the corresponding gap that finger 42 and first time finger 91 and second time finger 92 can be fixing with described first overhead gage 51 and second overhead gage 52 and movable first lower baffle plate 71 and second lower baffle plate 72 on the finger 41 and second on described first, thereby with corresponding gap sealing.
On described, in groove 21 and the following groove 22 the blackboard piece is set, according to the length (1000 * 3600mm of primary school of standard blackboard; Middle school 1000 * 4000mm) can arrange 3～5 width at the blackboard piece of 800～900 mm in described blackboard frame 1.Certainly, the width of blackboard piece is wideer more also to be fine, but should be conducive to their rotation.Present embodiment has adopted three blackboard pieces, that is: the first blackboard piece 11, the second blackboard piece 12 and the 3rd blackboard piece 13.
In the enforcement, a sliding pin (namely on first on the sliding pin 31 and second sliding pin 32) should the two ends, the left and right sides on the blackboard piece respectively be set, two ends, the left and right sides below the blackboard piece respectively arrange a sliding pin (i.e. the first downslide untie-sell 81 and the second downslide untie-sell 82), can centre or the position that takes over below the blackboard piece handle 6 be set.Then, sliding pin 32 and the first downslide untie-sell 81 and the second downslide untie-sell 82 on the sliding pin 31 and second on the described first blackboard piece 11, the second blackboard piece 12 and the 3rd blackboard piece 13 each structural member first set by the gap of relevant position on last groove 21 and the following groove 22 into go up in groove 21 and the following groove 22, make described each sliding pin can slip in last groove 21 and following groove 22.Ledge for chalk on blackboard 10 is set below described blackboard frame 1.
In the enforcement, can do blackboard frame 1 and the structure space of body of wall more greatly, then, small machine 1201, swivel-chain 1202, turning cylinder 1203, slide block 1204 and first wiping board 1205, second wiping board, 1206 structures (referring to Fig. 3) are set in described space.Wiping board can be made a horizontal stripe shape structural member or make two wiping board structures (i.e. first wiping board 1205, second wiping board, 1206 structures), single wiping board structure or two wiping board structure be arranged on the slide block 1204 and with swivel-chain 1202 be connected, the face of described wiping board is close to the back side of described blackboard piece (i.e. the first blackboard piece 11, the second blackboard piece 12 and the 3rd blackboard piece 13).Described single wiping board structure or two wiping board structure (i.e. first wiping board 1205, second wiping board 1206) can move back and forth up and down under the drive of small machine 1201 and swivel-chain 1202, can erase the board by machinery, can make chalk dust not blow out again.A motor switch is set, by the running of described motor switch control small machine 1201 on one side of described blackboard frame 1.Described electric-controlled mechanical part can require and specific design and the making again of input situation according to educational plant, equipment.
The occupation mode of a kind of convertible blackboard of the utility model is:
In the time of will overturning a certain blackboard piece in the use,
(1) the last finger on the gap that will be referred to and following finger unclamp, and the baffle plate that will be referred to is removed.
(2) with described blackboard piece one side second on sliding pin 32 and the first downslide untie-sell 81 gap by the position go up groove 21 and following groove 22 takes off from described, holding shake hands 6 with related blackboard piece toward dragging on one side, make described blackboard piece opposite side first on sliding pin 31 and the second downslide untie-sell 82 groove 21 and 22 slips of following groove on described, thereby described blackboard piece can be overturn.
(3) after the upset of described blackboard piece, will deviate from again (going up groove 21 and following groove 22) second on sliding pin 32 and the first downslide untie-sell 81 embed described groove 21 and the following groove 22 gone up again by the opposite side gap.
(4) the last finger on the gap that will be referred to and following finger are tightened, and the baffle plate that will be referred to keeps off again; Recover the state of writing of blackboard.
(5) as a same reason, other two blackboard pieces also can use the same method to turn and continue to write, and like this, whole blackboard just can have been write writing on the blackboard by tow sides, can effectively improve the utilization rate of blackboard.
After (6) three blackboard pieces all overturn, can control small machine 1201 and carry out machinery and erase the board, can both save teacher or student's muscle power, reduce contacting of people and chalk dust again; Make the forward and reverse continuous use of three blackboard pieces energy.
Claims (4)
1. convertible blackboard, contain the blackboard frame, handle, ledge for chalk on blackboard, the blackboard that is made of some blackboard pieces is set in described blackboard frame, below described blackboard frame, ledge for chalk on blackboard is set, it is characterized in that, upper and lower frames side inwardly at described blackboard frame is provided with groove and following groove, on described, be provided with some blackboard pieces in groove and the following groove, two ends, the left and right sides on described every blackboard piece arrange on first sliding pin on the sliding pin and second, and the two ends, the left and right sides below described every blackboard piece arrange the first downslide untie-sell and the second downslide untie-sell and a described handle is set below the blackboard piece; The relevant position of groove and following groove sets gap and at described gap the first movable overhead gage and second overhead gage and movable first lower baffle plate and second lower baffle plate is set on described, described first overhead gage and second overhead gage and first lower baffle plate and second lower baffle plate by setting on it first on the finger and second finger and first time finger and second time finger described gap can be sealed; On on the described every block of blackboard agllutination member first on the sliding pin and second sliding pin and the first downslide untie-sell and the second downslide untie-sell gap by described relevant position can be embedded in and describedly go up in groove and the following groove and on described, slide in groove and the following groove; With described blackboard piece one side second on sliding pin and the first downslide untie-sell deviate from described groove and the following groove gone up by described gap, can with described blackboard piece opposite side first on sliding pin and the second downslide untie-sell groove and following groove on described slide, thereby described blackboard piece is overturn; After the upset, will deviate from again second on sliding pin and the first downslide untie-sell embed described groove and the following groove gone up, the state of writing of recovery blackboard again by the opposite side gap.
2. a kind of convertible blackboard according to claim 1 is characterized in that, 3～5 blackboard pieces are set in described blackboard frame.
3. a kind of convertible blackboard according to claim 2, it is characterized in that, between described blackboard frame and described some blackboard pieces, small machine, swivel-chain, turning cylinder, slide block and wiping board structure are set, described wiping board is arranged on the slide block and with swivel-chain is connected, be close to the back side of described blackboard piece, described wiping board can move back and forth up and down under the drive of small machine and swivel-chain, one side in the operation that a motor switch is controlled described small machine that arranges of described blackboard frame.
4. a kind of convertible blackboard according to claim 3 is characterized in that, described wiping board is two wiping board structural members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189005 CN203210940U (en) | 2013-04-16 | 2013-04-16 | Overturning type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320189005 CN203210940U (en) | 2013-04-16 | 2013-04-16 | Overturning type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203210940U true CN203210940U (en) | 2013-09-25 |
Family
ID=49200512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320189005 Expired - Fee Related CN203210940U (en) | 2013-04-16 | 2013-04-16 | Overturning type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203210940U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029541A (en) * | 2014-05-19 | 2014-09-10 | 魏玉兰 | Adjustable blackboard |
| CN106827884A (en) * | 2017-04-20 | 2017-06-13 | 武汉轻工大学 | A kind of blackboard and blackboard device |
| CN107415533A (en) * | 2017-07-18 | 2017-12-01 | 安徽卓特信息技术有限公司 | A kind of self-cleaning blackboard |
| CN108851671A (en) * | 2018-06-30 | 2018-11-23 | 广东知识城运营服务有限公司 | A kind of blackboard of telescopic folding |
| CN109017052A (en) * | 2018-09-29 | 2018-12-18 | 卢俊德 | A kind of improvement teaching white board |
| CN109228746A (en) * | 2018-10-23 | 2019-01-18 | 大连前海大象物联科技有限公司 | A kind of intelligent blackboard of turnover carrying magnetic particle |
| CN113829786A (en) * | 2021-06-24 | 2021-12-24 | 袁东粲 | Whiteboard ink mark partition self-wiping method |
-
2013
- 2013-04-16 CN CN 201320189005 patent/CN203210940U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029541A (en) * | 2014-05-19 | 2014-09-10 | 魏玉兰 | Adjustable blackboard |
| CN106827884A (en) * | 2017-04-20 | 2017-06-13 | 武汉轻工大学 | A kind of blackboard and blackboard device |
| CN107415533A (en) * | 2017-07-18 | 2017-12-01 | 安徽卓特信息技术有限公司 | A kind of self-cleaning blackboard |
| CN108851671A (en) * | 2018-06-30 | 2018-11-23 | 广东知识城运营服务有限公司 | A kind of blackboard of telescopic folding |
| CN109017052A (en) * | 2018-09-29 | 2018-12-18 | 卢俊德 | A kind of improvement teaching white board |
| CN109017052B (en) * | 2018-09-29 | 2024-06-18 | 卢俊德 | Improved teaching whiteboard |
| CN109228746A (en) * | 2018-10-23 | 2019-01-18 | 大连前海大象物联科技有限公司 | A kind of intelligent blackboard of turnover carrying magnetic particle |
| CN113829786A (en) * | 2021-06-24 | 2021-12-24 | 袁东粲 | Whiteboard ink mark partition self-wiping method |
| CN113829786B (en) * | 2021-06-24 | 2023-09-15 | 袁东粲 | White board ink mark partition self-wiping method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203210940U (en) | Overturning type blackboard | |
| CN204547495U (en) | One can the synchronous dustproof blackboard of playback formula | |
| CN201494176U (en) | Dual-purpose blackboard used for projecting and writing | |
| CN206217435U (en) | A kind of blackboard for education of convenient use | |
| CN106696549A (en) | Novel sliding folding blackboard | |
| CN204833759U (en) | Multi -functional english teaching device | |
| CN203697773U (en) | Projection glass blackboard device | |
| CN204360593U (en) | A kind of board for teaching mathematics | |
| CN204894880U (en) | Teaching board | |
| CN203995303U (en) | With the dustproof blackboard of blackboard eraser | |
| CN204382950U (en) | A kind of blackboard | |
| CN205202532U (en) | Chinese teaching board | |
| CN206781367U (en) | A kind of Accounting Course teaching aid | |
| CN207517222U (en) | A kind of education show showing device for university's politics lesson | |
| CN202935019U (en) | Blackboard suitable for Chinese-teaching | |
| CN207115965U (en) | Integrated portable mobile multimedia equipment | |
| CN205375860U (en) | Law classroom teaching of department apparatus | |
| CN208027614U (en) | A kind of calculus mathematics mold | |
| CN207433091U (en) | A kind of blackboard for teaching | |
| CN205272961U (en) | Teaching is with show board | |
| CN204749629U (en) | Plug -type intelligent tutoring blackboard | |
| CN205788810U (en) | A kind of intelligent tutoring device | |
| CN203580431U (en) | Push-pull sliding plate | |
| CN204596190U (en) | A kind of collapsible board for teaching mathematics | |
| CN206584599U (en) | A kind of middle duty life foreign trade explanation demonstration board for increasing interest |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20160416 |