CN106379088A - Blackboard and dust-free blackboard eraser thereof - Google Patents
Blackboard and dust-free blackboard eraser thereof Download PDFInfo
- Publication number
- CN106379088A CN106379088A CN201610815346.6A CN201610815346A CN106379088A CN 106379088 A CN106379088 A CN 106379088A CN 201610815346 A CN201610815346 A CN 201610815346A CN 106379088 A CN106379088 A CN 106379088A
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard
- eraser
- free black
- black board
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
Abstract
The invention discloses a blackboard and a dust-free blackboard eraser thereof. The blackboard comprises multiple strip-shaped blackboard units; rotating shafts are arranged at two ends of each strip-shaped blackboard unit and penetrate through supporting frames; worm gears are arranged on the rotating shafts and are meshed with worms in F-shaped beams; an output shaft of a motor is connected with the worms through transmission mechanisms; and cylindrical right-angle gears abut against side walls of inner cavities of the F-shaped beams. The dust-free blackboard eraser comprises a brush, a dust collection plate and an exhaust fan; the brush is arranged on one surface of the dust collection plate; multiple through holes are formed in one surface, where the brush is fixed, of the dust collection plate; a cavity is formed in the dust collection plate; a waste discharge port is formed in the lower bottom surface of the cavity; and the exhaust fan is arranged on a casing of the dust collection plate. The problem of dust flying is solved. The blackboard structure similar to shutters is adopted, and available resources of the blackboard are increased.
Description
Technical field
The invention belongs to teaching equipment technical field is and in particular to a kind of blackboard and its dust-free black board eraser.
Background technology
Chalk is the indispensable instrument of current teaching, with a history of thousands of years till now from its application, the education to the mankind
Cause is made that indelible contribution.Chalk, is the instrument of transmission of culture, is also the drugs of harm body simultaneously.Tire out throughout the year
The dust that sucks of the moon leads to the incidence of disease of teacher's PUD D, cancer to exceed several times than other crowds, simultaneously in Classroom air
The dust diffusing also endangers the health of classmates.
Content of the invention
According to above the deficiencies in the prior art, the technical problem to be solved is to propose a kind of blackboard and its dustless
Blackboard eraser, by being drawn into powder in the cavity of blackboard eraser, it is to avoid dust from flying.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of blackboard and its dust-free black board eraser, institute
State blackboard and include multiple strip blackboard units, the two ends of described strip blackboard unit are provided with rotating shaft, described rotating shaft passes through bracing frame,
Rotating shaft is provided with, and worm gear is ratcheting with the worm screw in " F " type beam, and motor output shaft couples worm screw by transmission mechanism, described
Support is the bar shaped support being provided with multiple waist-shaped holes, and described strip blackboard unit passes through described waist-shaped hole, in described " F " type beam
Worm screw is located at the side wall of " F " type beam inner chamber, and the described the tip of the axis that turns is provided with cylinder right angle gear, and cylinder right angle gear is resisted against
On the side wall of " F " type beam inner chamber；Described dust-free black board eraser includes hairbrush, dust-catching board and air exhauster, and described hairbrush is arranged on dust suction
The one side of plate, the one side of the fixing hairbrush of described dust-catching board is provided with multiple through holes, sets cavity, the bottom surface of cavity in described dust-catching board
It is provided with waste discharge mouth, the shell of dust-catching board is provided with air exhauster.
Described hairbrush root and through hole arranged for interval.Described hairbrush root is bonded on dust-catching board.Described hairbrush root sets
There is holding section, described holding section passes through dust-catching board plate body, is fixed on described dust-catching board.Described blackboard eraser also includes slip rail
Road, leading screw and telescopic arm, described sliding rail is arranged in the relative both sides of blackboard, and leading screw can slide along sliding rail, telescopic arm
Two ends connect leading screw and dust-catching board respectively.Described leading screw and telescopic arm junction are provided with attaching nut.Described dust-free black board eraser
Also include hydraulic means, hydraulic means connects telescopic arm.Described dust-free black board eraser also includes distance measuring sensor, and distance measuring sensor is visited
Survey the distance of blackboard eraser and blackboard.
Present invention has the advantages that:Solve the problems, such as dust from flying；The present invention adopts the blackboard structure of similar shutter,
Increased the available resources of blackboard.
Brief description
Below the mark of the content expressed by this specification accompanying drawing and in figure is briefly described：
Fig. 1 is the structure chart of the dust-free black board eraser of the specific embodiment of the present invention.
Fig. 2 is the structure chart of the blackboard of the specific embodiment of the present invention.
Fig. 3 is the top view of " F " type beam of the specific embodiment of the present invention.
Wherein, 1 dust-catching board, 2 hairbrush, 3 distance measuring sensors, 4 waste discharge mouths, 5 air exhausters, 6 telescopic arms, 7 leading screws, 8 strips are black
Slab element, 9 rotating shafts, 10 bracing frames, 11 " F " type beam, 12 worm screws, 13 worm gears, 14 bearings.
Specific embodiment
Below against accompanying drawing, by the description to embodiment, for example involved each component of the specific embodiment of the present invention
Shape, construction, the mutual alignment between each several part and annexation, the effect of each several part and operation principle, manufacturing process and
Operate with method etc., is described in further detail, to help those skilled in the art to the inventive concept of the present invention, technology
Scheme has more complete, accurate and deep understanding.
As shown in figure 1, the dust-free black board eraser structure providing for the present invention, including hairbrush, dust-catching board and air exhauster, hairbrush sets
Put the one side in dust-catching board, the one side of the fixing hairbrush of dust-catching board is provided with multiple through holes, sets cavity, the bottom surface of cavity in dust-catching board
It is provided with waste discharge mouth, the shell of dust-catching board is provided with air exhauster.When using, open blower fan, make to form negative pressure in cavity, then wipe
Except blackboard, powder is drawn in cavity by the through hole on dust-catching board.
Hairbrush root and through hole arranged for interval, facilitate the suction of dust, hairbrush root can be fixed on suction by bonding way
On dirt plate it is also possible to setting holding section, holding section passes through dust-catching board plate body, is fixed on described dust-catching board.
Blackboard eraser also includes sliding rail, leading screw and telescopic arm, and sliding rail is arranged in the relative both sides of blackboard, and leading screw can
Slide along sliding rail, the two ends of telescopic arm connect leading screw and dust-catching board respectively.Leading screw is provided with telescopic arm junction and is connected spiral shell
Female.Dust-free black board eraser also includes hydraulic means, and hydraulic means connects telescopic arm.When using, the leading screw of blackboard eraser will be connected with
Move to the dead ahead of the position needing erasing, then pass through hydraulic means, so that telescopic arm is extended, touch blackboard, realize erasing.
Dust-free black board eraser also includes distance measuring sensor, and distance measuring sensor detects the distance of blackboard eraser and blackboard, by setting
The distance of stretch out and draw back of telescopic arm, to control dust-free black board eraser to act on the active force on blackboard.
As Figure 2-3, the blackboard structure that the present invention provides, including multiple strip blackboard units, multiple strip blackboard lists
Unit's one piece of blackboard of composition, similar to the structure of shutter, the two ends of strip blackboard unit are provided with rotating shaft, and rotating shaft passes through bracing frame,
Bracing frame plays a supportive role to strip blackboard unit, and rotating shaft is provided with worm gear, and worm gear is ratcheting with the worm screw in " F " type beam, motor
Output shaft couples worm screw by transmission mechanism, and in actual use, motor drives worm movement, and worm screw drives rotating shaft
On gear synchronous motion.Bracing frame is the bar shaped support being provided with multiple waist-shaped holes, and strip blackboard unit passes through waist-shaped hole, " F "
Worm screw in type beam is located at the side wall of " F " type beam inner chamber, and " F " type limits worm screw so as to move along the direction of beam, the end of rotating shaft
End is provided with cylinder right angle gear, and cylinder right angle gear is resisted against on the side wall of " F " type beam inner chamber, to increase the stability of rotating shaft.
Above in conjunction with accompanying drawing, the present invention is exemplarily described it is clear that the present invention implements is not subject to aforesaid way
Restriction, as long as employing the improvement of various unsubstantialities that method of the present invention design and technical scheme are carried out, or without changing
Enter and the design of the present invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.This
Bright protection domain should be defined by the protection domain that claims are limited.
Claims (8)
1. a kind of blackboard and its dust-free black board eraser are it is characterised in that described blackboard includes multiple strip blackboard units, described strip
The two ends of blackboard unit are provided with rotating shaft, and described rotating shaft passes through bracing frame, and rotating shaft is provided with, the worm tooth in worm gear and " F " type beam
Close, motor output shaft couples worm screw by transmission mechanism, and support frame as described above is the bar shaped support being provided with multiple waist-shaped holes, described
Strip blackboard unit passes through described waist-shaped hole, and the worm screw in described " F " type beam is located at the side wall of " F " type beam inner chamber, described rotating shaft
End be provided with cylinder right angle gear, cylinder right angle gear is resisted against on the side wall of " F " type beam inner chamber；Described dust-free black board eraser bag
Include hairbrush, dust-catching board and air exhauster, described hairbrush is arranged on the one side of dust-catching board, the one side of the fixing hairbrush of described dust-catching board is provided with
Multiple through holes, set cavity in described dust-catching board, the bottom surface of cavity is provided with waste discharge mouth, and the shell of dust-catching board is provided with air exhauster.
2. blackboard according to claim 1 and its dust-free black board eraser are it is characterised in that described hairbrush root is spaced with through hole
Arrangement.
3. blackboard according to claim 2 and its dust-free black board eraser are it is characterised in that described hairbrush root is bonded in dust suction
On plate.
4. blackboard according to claim 2 and its dust-free black board eraser are it is characterised in that described hairbrush root is provided with engaging
Portion, described holding section passes through dust-catching board plate body, is fixed on described dust-catching board.
5. blackboard according to claim 1 and its dust-free black board eraser are it is characterised in that described dust-free black board eraser also includes sliding
Dynamic rail road, leading screw and telescopic arm, described sliding rail is arranged in the relative both sides of blackboard, and leading screw can slide along sliding rail, stretches
The two ends of contracting arm connect leading screw and dust-catching board respectively.
6. blackboard according to claim 5 and its dust-free black board eraser are it is characterised in that described leading screw and telescopic arm junction
It is provided with attaching nut.
7. blackboard according to claim 5 and its dust-free black board eraser are it is characterised in that described dust-free black board eraser also includes liquid
Pressure device, hydraulic means connects telescopic arm.
8. blackboard according to claim 5 and its dust-free black board eraser are it is characterised in that described dust-free black board eraser also includes surveying
Away from sensor, distance measuring sensor detects the distance of blackboard eraser and blackboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815346.6A CN106379088A (en) | 2016-09-12 | 2016-09-12 | Blackboard and dust-free blackboard eraser thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815346.6A CN106379088A (en) | 2016-09-12 | 2016-09-12 | Blackboard and dust-free blackboard eraser thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106379088A true CN106379088A (en) | 2017-02-08 |
Family
ID=57935695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610815346.6A Pending CN106379088A (en) | 2016-09-12 | 2016-09-12 | Blackboard and dust-free blackboard eraser thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106379088A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825882A (en) * | 1994-07-08 | 1996-01-30 | J T:Kk | Writing board |
| CN201143859Y (en) * | 2007-10-09 | 2008-11-05 | 柳公一 | Absorbent blackboard eraser |
| CN104070890A (en) * | 2014-07-10 | 2014-10-01 | 苏州工业职业技术学院 | White board with three sides capable of being turned |
| CN204398698U (en) * | 2015-01-19 | 2015-06-17 | 王庆 | A kind of fully automatic blackboard deduster of wireless remote control |
| CN105109239A (en) * | 2015-09-18 | 2015-12-02 | 刘养青 | Preach board for technical training of mine staff |
| CN204820777U (en) * | 2015-06-10 | 2015-12-02 | 江苏海事职业技术学院 | Rotatable blackboard |
| CN205238961U (en) * | 2015-12-15 | 2016-05-18 | 西安科技大学 | Device is cleaned to telescopic blackboard |
-
2016
- 2016-09-12 CN CN201610815346.6A patent/CN106379088A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825882A (en) * | 1994-07-08 | 1996-01-30 | J T:Kk | Writing board |
| CN201143859Y (en) * | 2007-10-09 | 2008-11-05 | 柳公一 | Absorbent blackboard eraser |
| CN104070890A (en) * | 2014-07-10 | 2014-10-01 | 苏州工业职业技术学院 | White board with three sides capable of being turned |
| CN204398698U (en) * | 2015-01-19 | 2015-06-17 | 王庆 | A kind of fully automatic blackboard deduster of wireless remote control |
| CN204820777U (en) * | 2015-06-10 | 2015-12-02 | 江苏海事职业技术学院 | Rotatable blackboard |
| CN105109239A (en) * | 2015-09-18 | 2015-12-02 | 刘养青 | Preach board for technical training of mine staff |
| CN205238961U (en) * | 2015-12-15 | 2016-05-18 | 西安科技大学 | Device is cleaned to telescopic blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |
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| RJ01 | Rejection of invention patent application after publication |