CN206781375U - A kind of blackboard suitable for primary Chinese education - Google Patents
A kind of blackboard suitable for primary Chinese education Download PDFInfo
- Publication number
- CN206781375U CN206781375U CN201720343037.3U CN201720343037U CN206781375U CN 206781375 U CN206781375 U CN 206781375U CN 201720343037 U CN201720343037 U CN 201720343037U CN 206781375 U CN206781375 U CN 206781375U
- Authority
- CN
- China
- Prior art keywords
- chute
- board
- fixing axles
- frame
- mounting
- 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 kind of blackboard suitable for primary Chinese education, including board, the side of the board is provided with frame, the side of frame is provided with motor, two symmetrically arranged rotating shafts are rotatably connected between the two side of frame, one end of one of rotating shaft and the output end of motor connect.The utility model is simple in construction, pass through motor reciprocating rotation, rotating shaft and belt wheel is driven to rotate, belt drive mounting rod moves up and down, by cleaning contact of the cylinder with board, vestige on board is wiped, simultaneously, can be by rotating screw rod, extrude contiguous block, pass through the supporting role of supporting plate, so that two fixing axles in the second chute are under the pulling force effect of spring, the spacing reduced between two fixing axles, and two fixing axles in the first chute are in the presence of spring force, increase the spacing between two fixing axles, so as to increase active force of the cleaning cylinder to board, so that cleaning is more thorough.
Description
Technical field
It the utility model is related to blackboard field, more particularly to a kind of blackboard suitable for primary Chinese education.
Background technology
Blackboard is not to refer in particular to the plate face of black, said in traditional sense it be one can be hard with the plane of repeated writing, plate face
Firmly, it is used for imparting knowledge to students.Made of plank or ground glass etc., it can be write with the specific writing material such as chalk above,
Mostly black, blackish green, white or ecru；During language teaching, teacher can write substantial amounts of writing on the blackboard, if using black
Blackboard eraser is little by little wiped, and just comparatively laborious, labor intensity is larger, although having knockdown blackboard at present, but it is automatically performed
Clean up task, but with the abrasion of cleaning cylinder, the active force that cleaning cylinder acts on blackboard reduces so that cleaning effect is deteriorated, and leads
Cause cleaning not thorough.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and the one kind proposed is applied to primary school
The blackboard of Language education.
To achieve these goals, the utility model employs following technical scheme：
A kind of blackboard suitable for primary Chinese education, including board, the side of the board are provided with frame, frame
Side be provided with motor, be rotatably connected to two symmetrically arranged rotating shafts between the two side of frame, the one of one of rotating shaft
End is connected with the output end of motor, and rotating shaft is provided with two symmetrically arranged belt wheels, and two belt wheels positioned at the same side pass through skin
Band connection, two belts are connected by mounting rod, and mounting rod is provided with installing port close to the side of board, and the inwall of installing port is set
There are two symmetrically arranged mounting grooves, the inwall of mounting groove is provided with standing groove, is provided with contiguous block in standing groove, in the mounting groove
Provided with mounting blocks, cleaning cylinder is rotatably connected between two mounting blocks, the mounting blocks side wall is respectively equipped with the first chute and
Two symmetrically arranged fixing axles are equipped with two chutes, the first chute and the second chute, positioned at the first chute and the second chute
Connected between two interior fixing axles by spring, two in the first chute fixing axle passes through supporting plate and mounting groove
Side wall connection, two fixing axles in the second chute are connected by supporting plate with contiguous block, the inwall of the standing groove
Provided with screw rod, the one end of screw rod away from contiguous block runs through the side wall of standing groove and is connected with runner.
Preferably, the number of the spring is at least three, and is equidistantly arranged between multiple springs.
Preferably, the inwall of first chute and the second chute is respectively connected with gag lever post, and gag lever post is located at the upper of spring
Side.
Preferably, the both ends of the fixing axle are rotatably connected to roller.
Compared with prior art, the beneficial effects of the utility model are：The utility model is simple in construction, reciprocal by motor
Rotate, drive rotating shaft and belt wheel to rotate, belt drive mounting rod is moved up and down, by cleaning contact of the cylinder with board, will write
Vestige erasing on letter stencil, meanwhile, it can extrude contiguous block by rotating screw rod, pass through the supporting role of supporting plate so that be located at
Two fixing axles in second chute are under the pulling force effect of spring, the spacing between two fixing axles of diminution, and positioned at first
Two fixing axles in chute increase the spacing between two fixing axles, so as to increase cleaning cylinder in the presence of spring force
To the active force of board so that cleaning is more thorough.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is schematic enlarged-scale view at A in the utility model Fig. 1；
Fig. 3 is section B-B schematic diagram in the utility model Fig. 1.
In figure：Belt wheel 1, belt 2, rotating shaft 3, cleaning cylinder 4, screw rod 5, motor 6, frame 7, board 8, runner 9, mounting rod
10th, mounting blocks 11, fixing axle 12, spring 13, roller 14, supporting plate 15, contiguous block 16, installing port 17, mounting groove 18, first are slided
Groove 19, the second chute 20, standing groove 21.
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.
Reference picture 1-3, a kind of blackboard suitable for primary Chinese education, including board 8, the side of board 8 are provided with
Frame 7, the side of frame 7 are provided with motor 6, two symmetrically arranged rotating shafts 3 are rotatably connected between two madial walls of frame 7,
One end of one of rotating shaft 3 is connected with the output end of motor 6, and rotating shaft 3 is provided with two symmetrically arranged belt wheels 1, positioned at same
Two belt wheels 1 of side are connected by belt 2, and two belts 2 are connected by mounting rod 10, and mounting rod 10 is close to board 8
Side is provided with installing port 17, and the inwall of installing port 17 is provided with two symmetrically arranged mounting grooves 18, and the inwall of mounting groove 18 is provided with
Standing groove 21, contiguous block 16 is provided with standing groove 21, is provided with mounting blocks 11 in mounting groove 18, rotation company between two mounting blocks 11
Cleaning cylinder 4 is connected to, the side wall of mounting blocks 11 is respectively equipped with the first chute 19 and the second chute 20, the first chute 19 and the second chute 20
Inwall be respectively connected with gag lever post, gag lever post is located at the top of spring 13, prevents spring 13 from jumping out, and the first chute 19 and second is slided
Two symmetrically arranged fixing axles 12 are equipped with groove 20.
Connected between two fixing axles 12 in the first chute 19 and the second chute 20 by spring 13, spring 13
Number be at least three, and equidistantly arranged between multiple springs 13, there is provided enough elastic force, and ensure two fixing axles 12
Between balance, two fixing axles 12 in the first chute 19 are connected by supporting plate 15 with the side wall of mounting groove 18,
The both ends of each fixing axle 12 are rotatably connected to roller 14, reduce between the chute 19 of fixing axle 12 and first and the second chute 20
Friction, two fixing axles 12 in the second chute 20 are connected by supporting plate 15 with contiguous block 16, standing groove 21 it is interior
Wall is provided with screw rod 5, and the one end of screw rod 5 away from contiguous block 16 runs through the side wall of standing groove 21 and is connected with runner 9.
Operation principle：By the reciprocating rotation of wire external power supply drive motor 6, rotating shaft 3 and belt wheel 1 is driven to rotate, belt wheel 1
Belt 2 is driven to rotate, belt 2 drives mounting rod 10 to move up and down, by cleaning contact of the cylinder 4 with board 8, by board 8
On vestige erasing, meanwhile, can extrude contiguous block 16 by rotating screw rod 5, pass through the supporting role of supporting plate 15 so that position
Two fixing axles 12 in the second chute 20 are under the pulling force effect of spring 13, the spacing between two fixing axles 12 of diminution,
And it is located at two fixing axles 12 in the first chute 19 in the presence of the elastic force of spring 13, between increasing between two fixing axles 12
Away from so as to increase the active force of cleaning 4 pairs of boards 8 of cylinder.
It is described above, the only preferable embodiment of the utility model, but the scope of protection of the utility model is not
This is confined to, any one skilled in the art is in the technical scope that the utility model discloses, according to this practicality
New technical scheme and its utility model design are subject to equivalent substitution or change, should all cover in protection model of the present utility model
Within enclosing.
Claims (4)
1. a kind of blackboard suitable for primary Chinese education, including board (8), it is characterised in that the one of the board (8)
Side is provided with frame (7), and the side of frame (7) is provided with motor (6), and two are rotatably connected between the two side of frame (7) symmetrically
The rotating shaft (3) of setting, one end of one of rotating shaft (3) are connected with the output end of motor (6), and rotating shaft (3) is right provided with two
Claim the belt wheel (1) set, two belt wheels (1) positioned at the same side are connected by belt (2), and two belts (2) pass through mounting rod
(10) connect, mounting rod (10) is provided with installing port (17) close to the side of board (8), and the inwall of installing port (17) is provided with two
Symmetrically arranged mounting groove (18), the inwall of mounting groove (18) are provided with standing groove (21), contiguous block are provided with standing groove (21)
(16) mounting blocks (11), are provided with the mounting groove (18), cleaning cylinder (4), institute are rotatably connected between two mounting blocks (11)
State mounting blocks (11) side wall and be respectively equipped with the first chute (19) and the second chute (20), the first chute (19) and the second chute (20)
Inside it is equipped with two symmetrically arranged fixing axles (12), two fixing axles in the first chute (19) and the second chute (20)
(12) connected between by spring (13), two fixing axles (12) in the first chute (19) by supporting plate (15) with
The side wall connection of mounting groove (18), two fixing axles (12) in the second chute (20) pass through supporting plate (15) and contiguous block
(16) connect, the inwall of the standing groove (21) is provided with screw rod (5), and the one end of screw rod (5) away from contiguous block (16) is through placement
The side wall of groove (21) is simultaneously connected with runner (9).
A kind of 2. blackboard suitable for primary Chinese education according to claim 1, it is characterised in that the spring (13)
Number be at least three, and equidistantly arranged between multiple springs (13).
A kind of 3. blackboard suitable for primary Chinese education according to claim 1, it is characterised in that first chute
(19) and the inwall of the second chute (20) is respectively connected with gag lever post, and gag lever post is located at the top of spring (13).
A kind of 4. blackboard suitable for primary Chinese education according to claim 1, it is characterised in that the fixing axle
(12) both ends are rotatably connected to roller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343037.3U CN206781375U (en) | 2017-04-02 | 2017-04-02 | A kind of blackboard suitable for primary Chinese education |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720343037.3U CN206781375U (en) | 2017-04-02 | 2017-04-02 | A kind of blackboard suitable for primary Chinese education |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206781375U true CN206781375U (en) | 2017-12-22 |
Family
ID=60706914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720343037.3U Expired - Fee Related CN206781375U (en) | 2017-04-02 | 2017-04-02 | A kind of blackboard suitable for primary Chinese education |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206781375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583076A (en) * | 2018-04-23 | 2018-09-28 | 傅志伟 | A kind of teaching self-cleaning writing board |
-
2017
- 2017-04-02 CN CN201720343037.3U patent/CN206781375U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583076A (en) * | 2018-04-23 | 2018-09-28 | 傅志伟 | A kind of teaching self-cleaning writing board |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20190402 |