CN206182742U - Folding blackboard of liftable for teaching - Google Patents
Folding blackboard of liftable for teaching Download PDFInfo
- Publication number
- CN206182742U CN206182742U CN201620525406.6U CN201620525406U CN206182742U CN 206182742 U CN206182742 U CN 206182742U CN 201620525406 U CN201620525406 U CN 201620525406U CN 206182742 U CN206182742 U CN 206182742U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- plate
- main body
- pulley
- ash collection
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a folding blackboard of liftable for teaching, including blackboard body, collect dust tank, backup pad and base, collect dust tank sets up the lower extreme in the blackboard eraser main part, and the collect dust tank upper shed is in on the same horizontal plane with blackboard eraser main part lower extreme, the collect dust tank bottom is provided with dust outlet, and the dust outlet lower extreme is connected with the closing plate through the loose -leaf, and the closing plate left end is provided with the fixed plate, and it is fixed with screw sleeve that the fixed plate passes through the threaded rod, blackboard body back branch is connected with the backup pad, is provided with a connecting rod between the branch, and the connecting rod intermediate position is provided with first pulley, and the backup pad top is provided with the second pulley, connect through the nylon rope between first pulley and the second pulley, the utility model has the advantages of simple structure and reasonable design, can effectively collect the chalk dust of following the blackboard and dropping, can go up and down simultaneously and fold, be fit for different height mrs' use.
Description
Technical field
The utility model is related to a kind of teaching aid, and liftable Folding blackboard is used in specifically a kind of teaching.
Background technology
With the further raising of reform and opening-up step, economic further development, country to educational undertaking also increasingly
Pay attention to, various novel teaching aids emerge in an endless stream, especially in the application of multimedia teaching, although blackboard is used as a kind of tradition
Educational aid, but be currently still widely used.The Main Function of blackboard for allowing the teacher to carry out writing on the blackboard, side
Just students study, daily teacher can write on blackboard, can be wiped clean with blackboard eraser again after writing, and either write also
To wipe all fall chalk dust, these chalk dusts fall on the ground, blown by wind one to disperse everywhere, not only to people health not
Profit, but also can make the classroom become very dirty, while the blackboard in modern times can not typically be lifted, the teacher of different heights uses unusual
It is inconvenient.Regarding to the issue above, it is necessary to a kind of new blackboard for education.
Utility model content
The purpose of this utility model is to provide a kind of teaching liftable Folding blackboard, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
Liftable Folding blackboard, including blackboard main body, ash collection slot, supporting plate and base, the blackboard master are used in one kind teaching
Body top and bottom are respectively provided with fluted, and groove has been inserted into longitudinal marking-off plate, and chute is offered in longitudinal marking-off plate, longitudinal direction
Marking-off plate lower end is connected with horizontal marking-off plate by bearing pin, and graduation mark, groove are provided with longitudinal marking-off plate and horizontal marking-off plate
Inside it is additionally provided with strip blackboard eraser；The ash collection slot is arranged on the lower end of blackboard eraser main body, ash collection slot upper shed and blackboard eraser
Main body lower end is on same horizontal plane, and the section of ash collection slot is inverted trapezoidal structure；The ash collection slot bottom is provided with dust
Outlet, dust outlet lower end is connected with sealing plate by loose-leaf, and sealing plate left end is provided with fixed plate, circle is provided with fixed plate
Through hole, manhole is inserted into a threaded rod, and ash collection slot left side lower end is provided with screw shell, on screw shell and threaded rod
Lower mutually correspondence；The blackboard main body back side is connected with four poles being parallel to each other by first axle, and pole passes through second
Chain connection has supporting plate；A connecting rod is provided between the pole, connecting rod centre position is provided with first pulley, supporting plate
Top is provided with second pulley, is connected by nylon rope between first pulley and second pulley, and nylon rope winding is arranged on wiring
On device, rope winder is fixedly installed on the supporting plate；The supporting plate bottom dead center position is connected with base, base by support column
The surrounding of bottom is respectively arranged with universal wheel.
Further, the sealing plate is made up of vulcanie.
Further, the first axle and second hinge can be the same or different.
Compared with prior art, the utility model causes nylon rope vertical downward movement by rope winder, so as to pull branch
Bar is moved upwards, and then causes that blackboard main body rises, while in the presence of pole, blackboard main body can be close to supporting plate, section
About space, when needing to decline blackboard, rope winder is disengaged it is non-return, blackboard main body under gravity i.e. can voluntarily under
Drop, the teacher for being adapted to different heights uses, the movement of the universal wheel Convenient blackboard that base bottom is set；Blackboard main body lower end is set
Ash collection slot can conveniently collect from blackboard main body fall dust；Horizontal marking-off plate can be rotated around bearing pin, and bearing pin can
Slided with the chute in longitudinal marking-off plate, the drafting of lines can be can be carried out in the optional position in blackboard main body,
Blackboard eraser is arranged in blackboard main body, is conveniently erased the board.
Brief description of the drawings
Fig. 1 is the structural representation of teaching liftable Folding blackboard.
Fig. 2 is the side view of teaching liftable Folding blackboard.
Fig. 3 is the top view of teaching liftable Folding blackboard.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Fig. 1-3 are referred to, liftable Folding blackboard, including blackboard main body 1, ash collection slot 8, the and of supporting plate 7 are used in one kind teaching
Base 12, the top and bottom of blackboard main body 1 are respectively provided with fluted 2, and groove 2 has been inserted into longitudinal marking-off plate 3, and longitudinal direction is drawn
Chute 4 is offered in line plate 3, the lower end of longitudinal marking-off plate 3 is connected with horizontal marking-off plate 6, longitudinal marking-off plate 3 and horizontal stroke by bearing pin 5
Strip blackboard eraser 18 is additionally provided with to being provided with marking-off plate 6 in graduation mark, groove 2；The ash collection slot 8 is arranged on blackboard eraser
The lower end of main body 1, the upper shed of ash collection slot 8 is on same horizontal plane with the lower end of blackboard eraser main body 1, and the section of ash collection slot 8 is
Inverted trapezoidal structure；The bottom of the ash collection slot 8 is provided with dust outlet 16, and the lower end of dust outlet 16 is connected with sealing by loose-leaf 15
Plate 10, sealing plate 10 is made up of vulcanie, and the left end of sealing plate 10 is provided with fixed plate 14, is provided with fixed plate 14 circular logical
Hole, manhole is inserted into a threaded rod 9, and the left side lower end of ash collection slot 8 is provided with screw shell 17, screw shell 17 and screw thread
Bar is mutually corresponding about 9；The back side of blackboard main body 1 is connected with four poles 20 being parallel to each other by first axle 26, branch
Bar 20 is connected with supporting plate 7 by second hinge 21, and first axle 26 and second hinge 21 can be the same or different；It is described
A connecting rod 27 is provided between pole 20, the centre position of connecting rod 27 is provided with first pulley 24, and the top of supporting plate 7 is provided with
Two pulleys 19, are connected between first pulley 24 and second pulley 19 by nylon rope 22, and the winding of nylon rope 22 is arranged on rope winder
On 23, rope winder 23 is fixedly installed in supporting plate 7；The bottom dead center position of the supporting plate 7 is connected with bottom by support column 13
Seat 12, the surrounding of the bottom of base 12 is respectively arranged with universal wheel 11, the utility model when in use, in blackboard main body 1
Horizontal marking-off plate 6 can be rotated around bearing pin 5, be slided in the chute 4 that bearing pin 5 can be in longitudinal marking-off plate 3, can be in blackboard
Optional position in main body 1 can be carried out the drafting of lines, and blackboard eraser 18 is arranged in blackboard main body 1, conveniently erases the board；When
When erasing the board, the chalk dust for falling can be entered directly into ash collection slot 8, convenient to collect chalk dust, ensure the clear of interior
It is clean, when the carriage return in ash collection slot 8 is filled with, threaded rod 9 is screwed out from screw shell 17, sealing plate 10 passes through loose-leaf 15
Rotated so that the chalk dust in ash collection slot 8 is discharged from dust outlet 16；When needing to rise blackboard main body 1, lead to
Cross rope winder 23 and cause the vertical downward movement of nylon rope 22, so as to pull pole 20 to move upwards, and then cause in blackboard main body 1
Rise, while in the presence of pole 20, blackboard main body 1 can be close to supporting plate 7, save space；When needing to decline blackboard
Wait, rope winder 23 is disengaged it is non-return, blackboard main body 1 under gravity i.e. can with automatic descending, the bottom of base 12 set ten thousand
To the movement of 11 Convenient blackboards of wheel.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (2)
1. liftable Folding blackboard, including blackboard main body, ash collection slot, supporting plate and base are used in a kind of teaching, it is characterised in that institute
State blackboard main body top and bottom and be respectively provided with fluted, groove has been inserted into longitudinal marking-off plate, is offered in longitudinal marking-off plate
Chute, longitudinal marking-off plate lower end is connected with horizontal marking-off plate by bearing pin, and quarter is provided with longitudinal marking-off plate and horizontal marking-off plate
Degree line, is additionally provided with strip blackboard eraser in groove；The ash collection slot is arranged on the lower end of blackboard eraser main body, ash collection slot upper shed
It is on same horizontal plane with blackboard eraser main body lower end, the section of ash collection slot is inverted trapezoidal structure；The ash collection slot bottom sets
Dust outlet is equipped with, dust outlet lower end is connected with sealing plate by loose-leaf, and sealing plate left end is provided with fixed plate, in fixed plate
Be provided with manhole, manhole is inserted into a threaded rod, ash collection slot left side lower end is provided with screw shell, screw shell with
Threaded rod is mutually corresponded to up and down；The blackboard main body back side is connected with four poles being parallel to each other, pole by first axle
Supporting plate is connected with by second hinge；A connecting rod is provided between the pole, connecting rod centre position is provided with the first cunning
Wheel, supporting plate top is provided with second pulley, is connected by nylon rope between first pulley and second pulley, and nylon rope winding sets
Put on rope winder, rope winder is fixedly installed on the supporting plate；The supporting plate bottom dead center position is connected with by support column
Base, the surrounding of base bottom is respectively arranged with universal wheel.
2. liftable Folding blackboard is used in teaching according to claim 1, it is characterised in that the sealing plate is by vulcanie
It is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525406.6U CN206182742U (en) | 2016-06-02 | 2016-06-02 | Folding blackboard of liftable for teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620525406.6U CN206182742U (en) | 2016-06-02 | 2016-06-02 | Folding blackboard of liftable for teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206182742U true CN206182742U (en) | 2017-05-24 |
Family
ID=58736030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620525406.6U Expired - Fee Related CN206182742U (en) | 2016-06-02 | 2016-06-02 | Folding blackboard of liftable for teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206182742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736737A (en) * | 2017-08-24 | 2018-02-27 | 福建安溪聚丰工艺品有限公司 | A kind of portable folding shoe-rack |
-
2016
- 2016-06-02 CN CN201620525406.6U patent/CN206182742U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107736737A (en) * | 2017-08-24 | 2018-02-27 | 福建安溪聚丰工艺品有限公司 | A kind of portable folding shoe-rack |
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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: 20170524 Termination date: 20180602 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |