CN206749329U - A kind of blackboard of low dust pollution - Google Patents
A kind of blackboard of low dust pollution Download PDFInfo
- Publication number
- CN206749329U CN206749329U CN201620835731.2U CN201620835731U CN206749329U CN 206749329 U CN206749329 U CN 206749329U CN 201620835731 U CN201620835731 U CN 201620835731U CN 206749329 U CN206749329 U CN 206749329U
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- China
- Prior art keywords
- blackboard
- movable panel
- area
- plate
- plate body
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Abstract
The utility model discloses a kind of blackboard of low dust pollution, including fixed bottom plate, the plate body top center of movable panel is provided with lifter drawing bar, the internal whorl of lifter drawing bar is connected with rotary screw, the side position of top two of fixed bottom plate is additionally provided with megaphone, Web-based instruction area is arranged on the left of the plate body of movable panel, the top in Web-based instruction area is provided with teaching projector by skewed horizontal load bar, the right hand top of movable panel is additionally provided with template writing area, the plate body bottom of powder baffle plate is connected to dust suction airduct by dredging guide hole, powder disposable box is provided with the body of dust suction airduct.The utility model solves the drawbacks of traditional blackboard is highly inconvenient for use, and megaphone ensure that the accuracy given lessons, and is combined with the electronic instruction form of modernization, in addition, ensure that what chalk powder will not be everywhere flies away, has reached the purpose of low dust pollution.
Description
Technical field
Teaching aid correlative technology field is the utility model is related to, specifically a kind of blackboard of low dust pollution.
Background technology
During the giving lessons of school teacher, blackboard is extremely important apparatus of giving lessons, and blackboard is not the plate for refering in particular to black
Face, say in traditional sense it be one can be with the plane of repeated writing, plate face is hard, is used for imparting knowledge to students, with plank or frosted glass
Made of glass etc., it can be write with the specific writing material such as chalk above, mostly black, blackish green, white or ecru.
But existing school blackboard structure function is simply single, its height is usually changeless, and this results in some heights
Shorter teachers are difficult to adapt to, and result in inefficient and traditional blackboard of giving lessons can only carry out the writing process of chalk,
Projection operation just can not be carried out when needing to carry out computer demonstration, causes teaching process dry as dust, the learning interest of students
Not high, when teacher is sick or teacher's female sound is not high, content that children may can not hear clearly described in teacher influences to impart knowledge to students
Quality, moreover, in use, the place that chalk streaks be able to can shed substantial amounts of dust existing blackboard, not only shadow
Surrounding environment has been rung, and academics and students may have been caused health problem occur.
Utility model content
The purpose of this utility model is to provide a kind of blackboard of low dust pollution, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：
A kind of blackboard of low dust pollution, including fixed bottom plate, the side of plate body two of the fixed bottom plate offers vertically
Chute, the cell body internal slide of the vertical chute are provided with roller, and the roller is arranged on the back corner position of movable panel
Put, the plate body top center of the movable panel is provided with lifter drawing bar, and overcoat is provided with the top of the lifter drawing bar
Cylinder, the internal whorl of the lifter drawing bar are connected with rotary screw, are connected on the body of rod of the rotary screw by bevel gear
At a slow speed on the output shaft of motor, realia storage box is fixedly installed on the bottom left plate body of the fixed bottom plate,
The inside of the realia storage box is placed with voice microphone, and the side position of top two of the fixed bottom plate, which is additionally provided with, to amplify
Loudspeaker, the plate body left side of the movable panel are arranged to Web-based instruction area, throwing is provided with the front panel in the Web-based instruction area
Shadow curtain, the top in the Web-based instruction area are provided with teaching projector, the right side of the movable panel by skewed horizontal load bar
Top is additionally provided with template writing area, and English letter area, Chinese language Chinese character area are from left to right provided with the plate face in template writing area
With mathematic curve area, powder baffle plate is provided with the bottom margin of the movable panel, the plate body bottom of the powder baffle plate leads to
Cross dredging guide hole and be connected to dust suction airduct, powder disposable box is provided with the body of the dust suction airduct, the dust suction airduct
End is provided with induced draft fans.
As further program of the utility model：The megaphone is connected to voice microphone by wire.
As the utility model further scheme：The input of the teaching projector is connected to the output of computer
End.
Compared with prior art, the beneficial effects of the utility model are：The utility model starts when in use to be driven at a slow speed
After motor, rotary screw can slowly be rotated under the cooperation of bevel gear, due between lifter drawing bar and rotary screw
For threaded connection, such lifter drawing bar can realize movement upwardly or downwardly relative to outer sleeve, by the roller card of blackboard
It is connected in the vertical chute of fixed bottom plate both sides so that whole blackboard can realize the movement of stable, be not in any
Drift condition, solve the drawbacks of traditional blackboard teacher that is highly fixed and causing height different is inconvenient for use well, improve
Writing efficiency；And when teacher is during being given lessons, you can sound is sent into megaphone by voice microphone
Played back with bigger sound, preferably ensure that students can not hear every a word of teacher, ensure that knowledge-transference
Accuracy, be especially suitable for schoolmarm and use, and can also place in the casing of realia storage box blackboard eraser, chalk,
The conventional apparatus of attending class such as rod are taught, the cleanliness around plate body is further ensure that, uses more comfortable；When need into
During the row Web-based instruction, teacher can be projected to lecture contents on projection screen by computer as electrons, will be traditional
Hand-written blackboard is combined with the electronic instruction form modernized, is further improved the learning interest of students, be ensure that religion
Learn quality；In addition, when different teachers carry out blackboard use during, can selectivity use different templates
Write, eliminate the trouble that each teaching process is required for repainting template line, improve teacher normalized written and
Efficiency is write, further ensure that quality of instruction；Simultaneously during teacher is write on blackboard, you can open
Induced draft fans, substantial amounts of dust can be inhaled into powder disposable box by dredging guide hole under the action of the forces of the wind, ensure that powder
The last environmental quality flown away and influence surrounding that will not be everywhere of pen, has reached the purpose of low dust pollution, has ensured well old
Teacher and the health of students.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the blackboard of low dust pollution.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of blackboard of low dust pollution, including fixed bottom plate 1, it is described
The side of plate body two of fixed bottom plate 1 offers vertical chute 9, and the cell body internal slide of the vertical chute 9 is provided with roller
10, the roller 10 is arranged on the back corner location of movable panel 2, and the plate body top center of the movable panel 2 is set
Lifter drawing bar 7 is equipped with, the top of the lifter drawing bar 7 is provided with outer sleeve 6, and the internal whorl of the lifter drawing bar 7 is connected with
Rotary screw 8, it is connected at a slow speed on the output shaft of motor 4, so by bevel gear 5 on the body of rod of the rotary screw 8
After starting motor at a slow speed, rotary screw 8 can slowly be rotated under the cooperation of bevel gear 5, due to lifting
Be threadedly coupled between pull bar 7 and rotary screw 8, such lifter drawing bar 7 can be realized relative to outer sleeve 6 it is upward or to
Under movement, the roller 10 of blackboard is connected in the vertical chute 9 of the fixed both sides of bottom plate 1 so that whole blackboard can be realized
The movement of stable, be not in any drift condition, solve traditional blackboard well and highly fix and cause height not
The drawbacks of same teacher is inconvenient for use, improves writing efficiency；It is fixedly installed on the bottom left plate body of the fixed bottom plate 1
Realia storage box 14, the inside of the realia storage box 14 are placed with voice microphone 15, the fixed bottom plate 1 it is upper
The side position of portion two is additionally provided with megaphone 16, and the megaphone 16 is connected to voice microphone 15 by wire, so passed through
Megaphone 16 is set up on fixed bottom plate 1, when teacher is during being given lessons, you can by voice microphone 15 by sound
It is sent to megaphone 16 to play back with bigger sound, preferably ensure that students can not hear each sentence of teacher
Words, ensure that the accuracy of knowledge-transference, are especially suitable for schoolmarm and use, and in the casing of realia storage box 14 also
Blackboard eraser, chalk, religion rod etc. conventional apparatus of attending class can be placed, further ensure that the cleanliness around plate body, using rising
Come more comfortable；Web-based instruction area 11, the front panel in the Web-based instruction area 11 are arranged on the left of the plate body of the movable panel 2
On be provided with projection screen 3, the top in the Web-based instruction area 11 is provided with teaching projector 13, institute by skewed horizontal load bar 12
The input for stating teaching projector 13 is connected to the output end of computer, so by setting up the Web-based instruction on common blackboard
Area 11, when needing to carry out the Web-based instruction, lecture contents can be projected to projection screen as electrons by teacher by computer
On cloth 3, traditional hand-written blackboard is combined with the electronic instruction form modernized, further improves the study of students
Interest, it ensure that quality of instruction.
In addition, the right hand top of the movable panel 2 is additionally provided with template writing area, template is write in the plate face in area from a left side
The right side is provided with English letter area 17, Chinese language Chinese character area 18 and mathematic curve area 19, so when different teachers is being carried out
During the use of blackboard, it selective can be write using different templates, eliminate each teaching process and be required for
The trouble of template line is repainted, the normalized written and writing efficiency of teacher is improved, further ensure that quality of instruction；
Powder baffle plate 20 is provided with the bottom margin of the movable panel 2, the plate body bottom of the powder baffle plate 20 is led by dredging
Hole 21 is connected to dust suction airduct 22, and powder disposable box 23, the dust suction airduct 22 are provided with the body of the dust suction airduct 22
End induced draft fans 25 are installed, so by being additionally arranged at the bottom of dust suction airduct 22 and induced draft fans 25 in traditional blackboard, when
During teacher is write on blackboard, you can open induced draft fans 25, substantial amounts of dust can be under the action of the forces of the wind
It is inhaled into by dredging guide hole 21 in powder disposable box 23, ensure that the environment for flying away and influenceing surrounding that chalk powder will not be everywhere
Quality, has reached the purpose of low dust pollution, has ensured the health of academics and students well.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (3)
1. a kind of blackboard of low dust pollution, including fixed bottom plate (1), it is characterised in that the plate body two of the fixed bottom plate (1)
Side offers vertical chute (9), and the cell body internal slide of the vertical chute (9) is provided with roller (10), the roller
(10) the back corner location of movable panel (2) is arranged on, the plate body top center of the movable panel (2) is provided with liter
Pull bar (7) is dropped, outer sleeve (6), the internal whorl connection of the lifter drawing bar (7) are provided with the top of the lifter drawing bar (7)
There is rotary screw (8), be connected to the output of motor (4) at a slow speed on the body of rod of the rotary screw (8) by bevel gear (5)
On axle, realia storage box (14), the realia are fixedly installed on the bottom left plate body of the fixed bottom plate (1)
The inside of storage box (14) is placed with voice microphone (15), and the side position of top two of the fixed bottom plate (1), which is additionally provided with, to amplify
Loudspeaker (16), are arranged to Web-based instruction area (11) on the left of the plate body of the movable panel (2), before the Web-based instruction area (11)
Projection screen (3) is provided with panel, the top of the Web-based instruction area (11) is provided with teaching by skewed horizontal load bar (12)
Projector (13), the right hand top of the movable panel (2) are additionally provided with template writing area, and template is write in the plate face in area from a left side
The right side is provided with English letter area (17), Chinese language Chinese character area (18) and mathematic curve area (19), the bottom of the movable panel (2)
Edge is provided with powder baffle plate (20), and the plate body bottom of the powder baffle plate (20) is connected to dust suction by dredging guide hole (21)
Airduct (22), powder disposable box (23), the end of the dust suction airduct (22) are provided with the body of the dust suction airduct (22)
Induced draft fans (25) are installed.
2. the blackboard of a kind of low dust pollution according to claim 1, it is characterised in that the megaphone (16) passes through
Wire is connected to voice microphone (15).
3. the blackboard of a kind of low dust pollution according to claim 1, it is characterised in that the teaching projector (13)
Input is connected to the output end of computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835731.2U CN206749329U (en) | 2016-08-01 | 2016-08-01 | A kind of blackboard of low dust pollution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835731.2U CN206749329U (en) | 2016-08-01 | 2016-08-01 | A kind of blackboard of low dust pollution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206749329U true CN206749329U (en) | 2017-12-15 |
Family
ID=60606642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620835731.2U Expired - Fee Related CN206749329U (en) | 2016-08-01 | 2016-08-01 | A kind of blackboard of low dust pollution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206749329U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944197A (en) * | 2018-07-13 | 2018-12-07 | 柏涛涛 | A kind of multi-functional environment-protection dust-absorbing blackboard device |
| CN109050090A (en) * | 2018-07-11 | 2018-12-21 | 姜家治 | A kind of multifunctional blackboard for education |
| CN109203781A (en) * | 2018-09-06 | 2019-01-15 | 陈素钦 | English teaching blackboard |
-
2016
- 2016-08-01 CN CN201620835731.2U patent/CN206749329U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050090A (en) * | 2018-07-11 | 2018-12-21 | 姜家治 | A kind of multifunctional blackboard for education |
| CN108944197A (en) * | 2018-07-13 | 2018-12-07 | 柏涛涛 | A kind of multi-functional environment-protection dust-absorbing blackboard device |
| CN109203781A (en) * | 2018-09-06 | 2019-01-15 | 陈素钦 | English teaching blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20180801 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |