CN106379089A - Blackboard and electromagnetic blackboard eraser thereof - Google Patents
Blackboard and electromagnetic blackboard eraser thereof Download PDFInfo
- Publication number
- CN106379089A CN106379089A CN201610815371.4A CN201610815371A CN106379089A CN 106379089 A CN106379089 A CN 106379089A CN 201610815371 A CN201610815371 A CN 201610815371A CN 106379089 A CN106379089 A CN 106379089A
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- dust
- catching board
- eraser
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a blackboard and an electromagnetic 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; the worms in the F-shaped beams are arranged on side walls of inner cavities of the F-shaped beams; and cylindrical right-angle gears are arranged at tail ends of the rotating shafts and abut against the side walls of the inner cavities of the F-shaped beams. The electromagnetic blackboard eraser comprises guide rails and a spindle; racks are arranged on the guide rails; cylindrical straight gears meshed with the racks are arranged at two ends of the spindle; and a blackboard eraser body is connected onto the spindle through a bearing, is connected with a motor arranged at one end of the spindle through a steel wire rope and can move in the axial direction of the spindle. By the aid of an electric erasing manner, the blackboard eraser is convenient to operate.
Description
Technical field
The invention belongs to teaching equipment technical field is and in particular to a kind of blackboard and its electromagnetic type blackboard eraser.
Background technology
Blackboard sets as a kind of requisite at this stage teaching, has irreplaceable effect in educational work,
No matter but traditional blackboard is chalk or coloured art pen, being required for wiping manually, bothersome laborious, and blackboard
Eminence needs feet, and lower needs to bend over, erasing inconvenience.
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 electromagnetism
Formula blackboard eraser, by Electronic control machinery erasing, convenient and practical.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：A kind of blackboard and its electromagnetic type blackboard eraser,
Described blackboard includes multiple strip blackboard units, and the two ends of described strip blackboard unit are provided with rotating shaft, and described rotating shaft passes through and supports
Frame, rotating shaft is provided with worm gear, and worm gear is ratcheting with the worm screw in " F " type beam, and motor output shaft couples worm screw by transmission mechanism,
Support frame as described above is the bar shaped support being provided with multiple waist-shaped holes, and described strip blackboard unit passes through described waist-shaped hole, described " F " type
Worm screw in beam 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 supports
Lean against on the side wall of " F " type beam inner chamber；Including guide rail and main shaft, described guide rail is provided with tooth bar, and the two ends of main shaft are provided with and tooth
The spur gear wheel that bar is meshed, described main shaft is connected with blackboard eraser by bearing, and blackboard eraser is being led by steel wire rope connect setting
The motor of shaft end, blackboard eraser can be along main shaft axially-movable.
Described guide rail is " F " type structure, and main shaft and guide rail junction are provided with bearing arrangement.Described blackboard eraser includes iron plate, electricity
Magnet, scrubbing brush body and connecting rod, electromagnet is fixed on scrubbing brush body, and the two ends of connecting rod connect scrubbing brush body and iron respectively
Plate, described connecting rod is cased with spring.Box-like fixed plate is connected with described scrubbing brush body, is provided with transverse axis in described fixed plate,
Transverse axis is provided with eccentric wheel.Described scrubbing brush body includes hairbrush and dust-catching board, and described hairbrush is arranged on the one side of dust-catching board, described
The one side of the fixing hairbrush of dust-catching board is provided with multiple through holes, sets cavity, the bottom surface of cavity is provided with waste discharge mouth, inhale in described dust-catching board
The shell of dirt plate 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 is provided with holding section, and described holding section passes through dust-catching board plate body, is fixed on described dust-catching board.
Present invention has the advantages that:Using electric erasing mode, convenient operation.
Brief description
Below the mark of the content expressed by this specification accompanying drawing and in figure is briefly described：
Fig. 1 is the wiping blackboard structure figure of the specific embodiment of the present invention.
Fig. 2 is the blackboard eraser bulk junction composition of the specific embodiment of the present invention.
Fig. 3 is the blackboard structure figure of the specific embodiment of the present invention.
Fig. 4 is top view in the specific embodiment of the invention " F " type beam.
Wherein, 1 guide rail, 2 tooth bars, 3 bearings, 4 gears, 5 steel wire ropes, 6 blackboard erasers, 601 iron plates, 602 electromagnet, 603 blackboard erasers
Body, 604 springs, 605 connecting rods, 7 strip blackboard units, 8 rotating shafts, 9 bracing frames, 10 " F " type beam, 11 worm screws, 12 worm gears,
13 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 1-2, the structure chart of the electromagnetic type blackboard eraser that the present invention provides, including guide rail and main shaft, guide rail sets
There is tooth bar, the two ends of main shaft are provided with the spur gear wheel being meshed with tooth bar, main shaft is connected with blackboard eraser by bearing, blackboard eraser leads to
Cross the motor in spindle nose for the steel wire rope connect setting, blackboard eraser can be along main shaft axially-movable.When using, main shaft passes through two ends
Gear is meshed with the tooth bar in guide rail, moves in guide rail, is connected with blackboard eraser by steel wire rope in the motor of end setting, plate
Wiping is enclosed within main shaft, is rotated by motor, affects steel wire rope, so that blackboard eraser is moved up and down.
Guide rail is " F " type structure, and main shaft and guide rail junction are provided with bearing arrangement, and " F " type structure is by the two ends card of main shaft
In the open cavity body of " F ", main shaft end is resisted against in " F " type structure by bearing.
Blackboard eraser includes iron plate, electromagnet, scrubbing brush body and connecting rod, and electromagnet is fixed on scrubbing brush body, connecting rod
Two ends connect scrubbing brush body and iron plate respectively, and connecting rod is cased with spring.When the solenoid is energized, electromagnet drives scrubbing brush body
It is adsorbed onto on the iron plate at the back side, so that blackboard eraser departs from blackboard, when power is off, spring force in electromagnet is by scrubbing brush body
It is pressed on blackboard.
Box-like fixed plate is connected with scrubbing brush body, is provided with transverse axis in described fixed plate, transverse axis is provided with eccentric wheel.Reach
The structure of similar vibrator, makes dust removing effects reach best.
Scrubbing brush body includes hairbrush and dust-catching board, and described hairbrush is arranged on the one side of dust-catching board, the fixing hairbrush of dust-catching board
Simultaneously it is provided with multiple through holes, in described dust-catching board, sets cavity, the bottom surface of cavity is provided with waste discharge mouth, and the shell of dust-catching board is provided with
Air exhauster.Hairbrush root and through hole arranged for interval.When using, open blower fan, make to form negative pressure in cavity, then wipe black
Plate, powder is drawn in cavity by the through hole on dust-catching board.Hairbrush root can be fixed on dust-catching board by bonding way,
Holding section can be set, and holding section passes through dust-catching board plate body, is fixed on described dust-catching board.Hairbrush root is spaced cloth with through hole
Put, facilitate the suction of dust.
As shown in Figure 3-4, the blackboard structure figure that the present invention provides, including multiple strip blackboard units, multiple strip blackboards
Unit forms one piece of blackboard, and similar to the structure of shutter, the two ends of strip blackboard unit are provided with rotating shaft, and rotating shaft passes through and supports
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, electricity
Machine output shaft couples worm screw by transmission mechanism, and in actual use, motor drives worm movement, and worm screw drives and turns
Gear synchronous motion on axle.Bracing frame is the bar shaped support being provided with multiple waist-shaped holes, and strip blackboard unit passes through waist-shaped hole,
Worm screw in " F " 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, 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, to increase stablizing of rotating shaft
Property.
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 electromagnetic type blackboard eraser are it is characterised in that described blackboard includes multiple strip blackboard units, described bar
The two ends of shape blackboard unit are provided with rotating shaft, and described rotating shaft passes through bracing frame, and rotating shaft is provided with worm gear, in worm gear and " F " type beam
Worm screw is ratcheting, and motor output shaft couples worm screw by transmission mechanism, and support frame as described above is that the bar shaped being provided with multiple waist-shaped holes is propped up
Frame, 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, institute
State and turn the tip of the axis and be provided with cylinder right angle gear, cylinder right angle gear is resisted against on the side wall of " F " type beam inner chamber；Including guide rail and
Main shaft, described guide rail is provided with tooth bar, and the two ends of main shaft are provided with the spur gear wheel being meshed with tooth bar, described main shaft passes through
Bearing is connected with blackboard eraser, and blackboard eraser passes through the motor in spindle nose for the steel wire rope connect setting, and blackboard eraser can be along main shaft axially-movable.
2. blackboard according to claim 1 and its electromagnetic type blackboard eraser be it is characterised in that described guide rail is " F " type structure,
Main shaft and guide rail junction are provided with bearing arrangement.
3. blackboard according to claim 1 and its electromagnetic type blackboard eraser are it is characterised in that described blackboard eraser includes iron plate, electricity
Magnet, scrubbing brush body and connecting rod, electromagnet is fixed on scrubbing brush body, and the two ends of connecting rod connect scrubbing brush body and iron respectively
Plate, described connecting rod is cased with spring.
4. blackboard according to claim 3 and its electromagnetic type blackboard eraser are it is characterised in that be connected with described scrubbing brush body
It is provided with transverse axis, transverse axis is provided with eccentric wheel in box-like fixed plate, described fixed plate.
5. blackboard according to claim 3 and its electromagnetic type blackboard eraser are it is characterised in that described scrubbing brush body includes hairbrush
And dust-catching board, described hairbrush is arranged on the one side of dust-catching board, and the one side of the fixing hairbrush of described dust-catching board is provided with multiple through holes, described
Cavity is set, the bottom surface of cavity is provided with waste discharge mouth, and the shell of dust-catching board is provided with air exhauster in dust-catching board.
6. blackboard according to claim 5 and its electromagnetic type blackboard eraser are it is characterised in that between described hairbrush root and through hole
Every arrangement.
7. blackboard according to claim 5 and its electromagnetic type blackboard eraser are it is characterised in that described hairbrush root is bonded in suction
On dirt plate.
8. blackboard according to claim 5 and its electromagnetic type blackboard 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815371.4A CN106379089A (en) | 2016-09-12 | 2016-09-12 | Blackboard and electromagnetic blackboard eraser thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815371.4A CN106379089A (en) | 2016-09-12 | 2016-09-12 | Blackboard and electromagnetic blackboard eraser thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106379089A true CN106379089A (en) | 2017-02-08 |
Family
ID=57935709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610815371.4A Pending CN106379089A (en) | 2016-09-12 | 2016-09-12 | Blackboard and electromagnetic blackboard eraser thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106379089A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825882A (en) * | 1994-07-08 | 1996-01-30 | J T:Kk | Writing board |
| CN201313461Y (en) * | 2008-12-10 | 2009-09-23 | 徐州工业职业技术学院 | Blackboard eraser with dust removing function |
| 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 |
| CN204354690U (en) * | 2015-01-13 | 2015-05-27 | 兰州理工大学 | A kind of automation blackboard eraser |
| CN204820777U (en) * | 2015-06-10 | 2015-12-02 | 江苏海事职业技术学院 | Rotatable blackboard |
-
2016
- 2016-09-12 CN CN201610815371.4A patent/CN106379089A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0825882A (en) * | 1994-07-08 | 1996-01-30 | J T:Kk | Writing board |
| CN201313461Y (en) * | 2008-12-10 | 2009-09-23 | 徐州工业职业技术学院 | Blackboard eraser with dust removing function |
| 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 |
| CN204354690U (en) * | 2015-01-13 | 2015-05-27 | 兰州理工大学 | A kind of automation blackboard eraser |
| CN204820777U (en) * | 2015-06-10 | 2015-12-02 | 江苏海事职业技术学院 | Rotatable blackboard |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170208 |