CN208646454U - A kind of classroom blackboard convenient for removing chalk dust - Google Patents
A kind of classroom blackboard convenient for removing chalk dust Download PDFInfo
- Publication number
- CN208646454U CN208646454U CN201820794952.9U CN201820794952U CN208646454U CN 208646454 U CN208646454 U CN 208646454U CN 201820794952 U CN201820794952 U CN 201820794952U CN 208646454 U CN208646454 U CN 208646454U
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- CN
- China
- Prior art keywords
- blackboard
- hole
- screw rod
- mounting plate
- blackboard body
- 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 classroom blackboards convenient for removing chalk dust, including blackboard body, the side of the blackboard body is fixedly installed with mounting plate, through-hole is offered at the top of mounting plate, screw rod is rotatably equipped in through-hole, the lower section of mounting plate is equipped with the support base being fixedly mounted in blackboard body, the bottom end of screw rod extends to outside through-hole, and it is rotatably installed in support base, motor is fixedly installed at the top of mounting plate, the output shaft of motor extends in through-hole, and it is fixedly connected with the top of screw rod, fixing seat is equipped between mounting plate and support base, screw hole is offered at the top of fixing seat, screw hole is run through in the bottom end of screw rod, screw rod is threadedly coupled with screw hole, the side of fixing seat is fixedly installed with slide.The utility model of simple structure and strong practicability can drive strip blackboard eraser to move up and down by motor, to carry out quick wipe to blackboard body, not only increase wiping efficiency, and have preferable cleaning effect.
Description
Technical field
The utility model relates to teaching aid technical fields more particularly to a kind of convenient for removing the classroom of chalk dust with black
Plate.
Background technique
Blackboard is not to refer in particular to the plate face of black, said in traditional sense it be one can be with the plane of repeated writing, plate face is hard
Firmly, it is chiefly used in imparting knowledge to students, made of plank or ground glass etc., can be write with the specific writing material such as chalk above,
Mostly black, blackish green, white or ecru.Existing classroom blackboard needs to wipe the chalk on its surface after writing word
The classroom blackboard to write, and current can just be continued after ash, remove time-consuming and laborious when chalk dust, the need when wiping blackboard
It takes a substantial amount of time to influence the time that teacher attends class.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is convenient for removing powder
The classroom blackboard of pen ash.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of classroom blackboard convenient for removing chalk dust, including blackboard body, the fixed peace in the side of the blackboard body
Equipped with mounting plate, through-hole is offered at the top of mounting plate, screw rod is rotatably equipped in through-hole, and the lower section of mounting plate is equipped with fixed peace
The bottom end of support base in blackboard body, screw rod extends to outside through-hole, and is rotatably installed in support base, the top of mounting plate
Portion is fixedly installed with motor, and the output shaft of motor extends in through-hole, and is fixedly connected with the top of screw rod, mounting plate and support
It is equipped with fixing seat between seat, screw hole is offered at the top of fixing seat, screw hole is run through in the bottom end of screw rod, and screw rod and screw hole screw thread connect
It connects, the side of fixing seat is fixedly installed with slide, and slide is located at the side of blackboard body, and the side of blackboard body is fixedly installed with
Positioning seat, the side of positioning seat offer locating slot, and slide is slidably mounted in locating slot far from the side of fixing seat, and slide leans on
The side of nearly blackboard body offers sliding slot, and being symmetrically slidably installed in sliding slot, there are two sliding blocks, and the side of sliding block extends to sliding slot
Outside, and it is rotatably equipped with connecting rod, connecting rod is obliquely installed, and two connecting rods are rotatably equipped with together far from one end of two sliding blocks
One strip blackboard eraser, strip blackboard eraser are in contact with blackboard body.
Preferably, bearing is rotatably equipped in the through-hole, bearing rotation is set on screw rod, opens up at the top of support base
There is circular groove, the bottom end of screw rod is rotatably installed in circular groove.
Preferably, the slide is nested with the first ball, the first ball and locating slot far from fixed far from the side of fixing seat
The side inner wall of position channel opening is in contact.
Preferably, slide bar is fixedly installed in the sliding slot, two sliding blocks are slidably located on slide bar, are arranged on slide bar
There is spring, the both ends of spring are respectively welded on two sliding block sides close to each other.
Preferably, the side that the sliding block is located in sliding slot is nested with the second ball, and the second ball and sliding slot are far from sliding slot
The side inner wall of opening is in contact.
Preferably, the strip blackboard eraser offers mounting groove far from the side of blackboard body, and two connecting rods are far from two
One end of a sliding block is rotatably installed in mounting groove.
Compared with prior art, the utility model has the beneficial effects that
In the utility model, pass through blackboard body, mounting plate, through-hole, screw rod, motor, support base, fixing seat, screw hole, cunning
Seat, positioning seat, locating slot, sliding slot, sliding block, connecting rod and strip blackboard eraser match, and control motor rotation, motor is rotated band
Dynamic screw rod rotation, under the positioning action of positioning seat and locating slot, screw rod rotates in screw hole will drive fixing seat mobile, fixed
It is mobile that seat drives slide, to drive strip blackboard eraser mobile, so need to only control the forward and reverse rotation of motor, bar shaped can be made black
Blackboard eraser moves up and down, to clear up the chalk dust in blackboard body, while strip blackboard eraser is in moving process, will be by
To resistance, to squeeze sliding block by connecting rod, make two sliding blocks to the Slideslip being located remotely from each other, thus extension spring,
Under the elastic force effect of spring, strip blackboard eraser can be made to be in close contact always with blackboard body, the utility model structure is simple,
It is practical, strip blackboard eraser can be driven to move up and down by motor, to carry out quick wipe to blackboard body, not only mentioned
High wiping efficiency, and there is preferable cleaning effect.
Detailed description of the invention
Fig. 1 be the utility model proposes it is a kind of convenient for remove chalk dust classroom blackboard face sectional structure signal
Figure；
Fig. 2 be the utility model proposes it is a kind of convenient for remove chalk dust classroom blackboard in part A sectional structure
Schematic diagram；
Fig. 3 be the utility model proposes it is a kind of convenient for remove chalk dust classroom blackboard overlook structural schematic diagram；
Fig. 4 be the utility model proposes it is a kind of convenient for remove chalk dust classroom blackboard in part B sectional structure
Schematic diagram.
In figure: 1 blackboard body, 2 mounting plates, 3 through-holes, 4 screw rods, 5 motors, 6 support bases, 7 fixing seats, 8 screw holes, 9 slides,
10 positioning seats, 11 locating slots, 12 sliding slots, 13 sliding blocks, 14 connecting rods, 15 strip blackboard erasers.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of classroom blackboard convenient for removing chalk dust, including blackboard body 1, the one of blackboard body 1
Side is fixedly installed with mounting plate 2, and the top of mounting plate 2 offers through-hole 3, and screw rod 4 is rotatably equipped in through-hole 3, mounting plate 2
Lower section is equipped with the support base 6 being fixedly mounted in blackboard body 1, and the bottom end of screw rod 4 extends to outside through-hole 3, and is rotatably installed in
In support base 6, the top of mounting plate 2 is fixedly installed with motor 5, and the output shaft of motor 5 extends in through-hole 3, and with screw rod 4
Top is fixedly connected, and fixing seat 7 is equipped between mounting plate 2 and support base 6, and the top of fixing seat 7 offers screw hole 8, screw rod 4
Screw hole 8 is run through in bottom end, and screw rod 4 is threadedly coupled with screw hole 8, and the side of fixing seat 7 is fixedly installed with slide 9, and slide 9 is located at blackboard
The side of ontology 1, the side of blackboard body 1 are fixedly installed with positioning seat 10, and the side of positioning seat 10 offers locating slot 11, sliding
9 sides far from fixing seat 7 of seat are slidably mounted in locating slot 11, and slide 9 offers sliding slot close to the side of blackboard body 1
12, being symmetrically slidably installed in sliding slot 12, there are two sliding blocks 13, and the side of sliding block 13 extends to outside sliding slot 12, and the company of being rotatably equipped with
Extension bar 14, connecting rod 14 are obliquely installed, and two connecting rods 14 are rotatably equipped with the same bar shaped far from one end of two sliding blocks 13
Blackboard eraser 15, strip blackboard eraser 15 are in contact with blackboard body 1, pass through blackboard body 1, mounting plate 2, through-hole 3, screw rod 4, motor
5, support base 6, fixing seat 7, screw hole 8, slide 9, positioning seat 10, locating slot 11, sliding slot 12, sliding block 13, connecting rod 14 and bar shaped
Blackboard eraser 15 matches, and control motor 5 rotates, and the rotation of motor 5 will drive screw rod 4 to rotate, in positioning seat 10 and locating slot 11
Under positioning action, screw rod 4 rotates in screw hole 8 will drive fixing seat 7 mobile, and fixing seat 7 drives slide 9 mobile, to drive
Strip blackboard eraser 15 is mobile, so need to only control the forward and reverse rotation of motor 5, strip blackboard eraser 15 can be made to move up and down, thus
Chalk dust in blackboard body 1 is cleared up, while strip blackboard eraser 15 is in moving process, it will be by resistance, thus logical
It crosses connecting rod 14 and squeezes sliding block 13, make two sliding blocks 13 to the Slideslip being located remotely from each other, thus extension spring, in spring
Under elastic force effect, strip blackboard eraser 15 can be made to be in close contact always with blackboard body 1, the utility model structure is simple, practical
Property it is strong, can by motor 5 drive strip blackboard eraser 15 move up and down, thus to blackboard body 1 carry out quick wipe, not only mention
High wiping efficiency, and there is preferable cleaning effect.
In the utility model, bearing is rotatably equipped in through-hole 3, bearing rotation is set on screw rod 4, the top of support base 6
Portion offers circular groove, and the bottom end of screw rod 4 is rotatably installed in circular groove, and slide 9 is nested with the first rolling far from the side of fixing seat 7
Pearl, the first ball are in contact with the side inner wall that the remotely located slot 11 of locating slot 11 is open, and are fixedly installed with slide bar in sliding slot 12,
Two sliding blocks 13 are slidably located on slide bar, and spring is arranged on slide bar, and the both ends of spring are respectively welded at two sliding blocks 13
On side close to each other, the side that sliding block 13 is located in sliding slot 12 is nested with the second ball, and the second ball and sliding slot 12 are separate
The side inner wall that sliding slot 12 is open is in contact, and strip blackboard eraser 15 offers mounting groove, two companies far from the side of blackboard body 1
The one end of extension bar 14 far from two sliding blocks 13 is rotatably installed in mounting groove, passes through blackboard body 1, mounting plate 2, through-hole 3, silk
Bar 4, motor 5, support base 6, fixing seat 7, screw hole 8, slide 9, positioning seat 10, locating slot 11, sliding slot 12, sliding block 13, connecting rod
14 and strip blackboard eraser 15 match, control motor 5 rotates, and the rotation of motor 5 will drive screw rod 4 to rotate, in positioning seat 10 and fixed
Under the positioning action of position slot 11, screw rod 4 rotates in screw hole 8 will drive fixing seat 7 mobile, and fixing seat 7 drives slide 9 mobile,
To drive strip blackboard eraser 15 mobile, so need to only control the forward and reverse rotation of motor 5, can make to move down on strip blackboard eraser 15
Dynamic, to clear up the chalk dust in blackboard body 1, while strip blackboard eraser 15 is in moving process, will by resistance,
To squeeze sliding block 13 by connecting rod 14, make two sliding blocks 13 to the Slideslip being located remotely from each other, thus extension spring,
Under the elastic force effect of spring, strip blackboard eraser 15 can be made to be in close contact always with blackboard body 1, the utility model structure letter
It is single, it is practical, strip blackboard eraser 15 can be driven to move up and down by motor 5, to quickly be wiped blackboard body 1
It wipes, not only increases wiping efficiency, and there is preferable cleaning effect.
Working principle: in the utility model, being moved back and forth up and down using strip blackboard eraser 15, thus in blackboard body 1
Chalk dust cleared up, in actual use, need to only control the rotation of motor 5, the rotation of motor 5 will drive screw rod 4 to rotate, fixed
Under the positioning action of position seat 10 and locating slot 11, screw rod 4 rotates in screw hole 8 will drive fixing seat 7 mobile, and fixing seat 7 drives
Slide 9 is mobile, to drive strip blackboard eraser 15 mobile, so need to only control the forward and reverse rotation of motor 5, can make bar shaped blackboard
It wipes and 15 moves up and down, to clear up the chalk dust in blackboard body 1, while strip blackboard eraser 15 is in moving process,
, to squeeze sliding block 13 by connecting rod 14, two sliding blocks 13 will be made to the Slideslip being located remotely from each other by resistance, thus
Extension spring can be such that strip blackboard eraser 15 is in close contact always with blackboard body 1 under the elastic force effect of spring, improve clear
Clean effect.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of classroom blackboard convenient for removing chalk dust, including blackboard body (1), which is characterized in that the blackboard body
(1) side is fixedly installed with mounting plate (2), is offered at the top of mounting plate (2) through-hole (3), is rotatably equipped in through-hole (3)
Screw rod (4), the lower section of mounting plate (2) are equipped with the support base (6) being fixedly mounted on blackboard body (1), and the bottom end of screw rod (4) is prolonged
It extends to through-hole (3) outside, and is rotatably installed in support base (6), motor (5), motor are fixedly installed at the top of mounting plate (2)
(5) output shaft extends in through-hole (3), and is fixedly connected with the top of screw rod (4), between mounting plate (2) and support base (6)
Equipped with fixing seat (7), offered at the top of fixing seat (7) screw hole (8), screw hole (8) are run through in the bottom end of screw rod (4), screw rod (4) with
Screw hole (8) is threadedly coupled, and the side of fixing seat (7) is fixedly installed with slide (9), and slide (9) is located at the one of blackboard body (1)
Side, the side of blackboard body (1) are fixedly installed with positioning seat (10), and the side of positioning seat (10) offers locating slot (11), sliding
Seat (9) is slidably mounted in locating slot (11) far from the side of fixing seat (7), and slide (9) is opened close to the side of blackboard body (1)
Equipped with sliding slot (12), being symmetrically slidably installed in sliding slot (12), there are two sliding block (13), and the side of sliding block (13) extends to sliding slot
(12) outside, it and is rotatably equipped with connecting rod (14), connecting rod (14) is obliquely installed, and two connecting rods (14) are far from two sliding blocks
(13) one end is rotatably equipped with the same strip blackboard eraser (15), and strip blackboard eraser (15) is in contact with blackboard body (1).
2. a kind of classroom blackboard convenient for removing chalk dust according to claim 1, which is characterized in that the through-hole
(3) bearing is rotatably equipped in, bearing rotation is set on screw rod (4), and circular groove, screw rod (4) are offered at the top of support base (6)
Bottom end be rotatably installed in circular groove.
3. a kind of classroom blackboard convenient for removing chalk dust according to claim 1, which is characterized in that the slide
(9) side far from fixing seat (7) is nested with the first ball, what the first ball and locating slot (11) remotely located slot (11) were open
Side inner wall is in contact.
4. a kind of classroom blackboard convenient for removing chalk dust according to claim 1, which is characterized in that the sliding slot
(12) it is fixedly installed with slide bar in, two sliding blocks (13) are slidably located on slide bar, it is arranged with spring on slide bar, the two of spring
End is respectively welded on two sliding block (13) sides close to each other.
5. a kind of classroom blackboard convenient for removing chalk dust according to claim 1, which is characterized in that the sliding block
(13) it is located at the side in sliding slot (12) and is nested with the second ball, the second ball and the one of sliding slot (12) separate sliding slot (12) opening
Side inner wall is in contact.
6. a kind of classroom blackboard convenient for removing chalk dust according to claim 1, which is characterized in that the bar shaped is black
Blackboard eraser (15) offers mounting groove far from the side of blackboard body (1), two connecting rods (14) far from two sliding blocks (13) one
End is rotatably installed in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794952.9U CN208646454U (en) | 2018-05-25 | 2018-05-25 | A kind of classroom blackboard convenient for removing chalk dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820794952.9U CN208646454U (en) | 2018-05-25 | 2018-05-25 | A kind of classroom blackboard convenient for removing chalk dust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208646454U true CN208646454U (en) | 2019-03-26 |
Family
ID=65779746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820794952.9U Expired - Fee Related CN208646454U (en) | 2018-05-25 | 2018-05-25 | A kind of classroom blackboard convenient for removing chalk dust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208646454U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352804A (en) * | 2021-07-01 | 2021-09-07 | 逸谦教育科技(上海)有限公司 | Blackboard frame for weakening diffuse reflection based on panel angle change |
| CN114533270A (en) * | 2021-09-13 | 2022-05-27 | 广西大学 | Be used for terminal end instrument of surgical robot to stretch out and draw back and rotation equipment |
-
2018
- 2018-05-25 CN CN201820794952.9U patent/CN208646454U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113352804A (en) * | 2021-07-01 | 2021-09-07 | 逸谦教育科技(上海)有限公司 | Blackboard frame for weakening diffuse reflection based on panel angle change |
| CN114533270A (en) * | 2021-09-13 | 2022-05-27 | 广西大学 | Be used for terminal end instrument of surgical robot to stretch out and draw back and rotation equipment |
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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: 20190326 Termination date: 20200525 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |