CN107415548A - A kind of teaching cleaning type blackboard - Google Patents
A kind of teaching cleaning type blackboard Download PDFInfo
- Publication number
- CN107415548A CN107415548A CN201710257390.4A CN201710257390A CN107415548A CN 107415548 A CN107415548 A CN 107415548A CN 201710257390 A CN201710257390 A CN 201710257390A CN 107415548 A CN107415548 A CN 107415548A
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- China
- Prior art keywords
- blackboard
- fixed case
- screw mandrel
- nut
- cleaning type
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- 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
-
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The present invention relates to a kind of blackboard, more particularly to a kind of teaching cleaning type blackboard.The technical problem to be solved in the present invention is to provide a kind of teaching cleaning type blackboard of with can carrying out sanitation and hygiene blackboard wiping.In order to solve the above-mentioned technical problem, the invention provides such a teaching cleaning type blackboard, fixed case etc. is included；Fixed case antetheca is provided with opening, fixed case bottom even is provided with lower small opening, fixed case inner top is provided with the first blackboard, bottom, which is provided with, in fixed case rotates mobile device, the lower section that mobile device is located at blackboard is rotated, mobile device left and right ends is rotated and is connected with fixing device, pole is connected with the top of fixing device, aperture is provided with pole, pole top is provided with blackboard eraser.Invention achieves wiped clean and effect easy to clean, and wiping the first blackboard only needs to rotate bull stick, it is possible to the word on quick erasing blackboard, it is more convenient and quick when the user made wipes the first blackboard.
Description
Technical field
The present invention relates to a kind of blackboard, more particularly to a kind of teaching cleaning type blackboard.
Background technology
Blackboard be one can be with the plane of repeated writing, plate face is hard, is used for imparting knowledge to students.Made with plank or ground glass etc.
Into, it can be write with the specific writing material such as chalk above.Mostly black, blackish green, white or ecru.
Existing blackboard all relies primarily on teacher or student to be held blackboard eraser and is wiped manually, the powder in wiping process
Pen ash is easily fallen on the person, makes the clothing of people dirty, and chalk dust is sucked in mouth and nose by people, influences the health of people,
In the presence of the cleaning antihygienic shortcoming of blackboard, therefore the teaching for researching and developing a kind of with can carrying out sanitation and hygiene blackboard wiping is needed badly with clearly
Clean formula blackboard.
The content of the invention
(1) technical problems to be solved
The present invention is wiped to overcome existing blackboard to rely primarily on teacher or student and hold blackboard eraser manually,
Chalk dust is easily fallen on the person in wiping process, makes the clothing of people dirty, and chalk dust is sucked in mouth and nose by people, is influenceed
The health of people, the antihygienic shortcoming of blackboard is cleaned, the technical problem to be solved in the present invention is to provide one kind can be carried out clearly
The teaching cleaning type blackboard of clean wholesomely blackboard wiping.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides such a teaching cleaning type blackboard, fixation is included
Case, the first blackboard, blackboard eraser, pole, rotation mobile device and fixing device, fixed case antetheca are provided with opening, fixed case bottom
Lower small opening is uniformly provided with, fixed case inner top is provided with the first blackboard, and bottom is provided with rotation mobile device in fixed case, rotates movement
Device is located at the lower section of blackboard, rotates mobile device left and right ends and is connected with fixing device, pole is connected with the top of fixing device,
Aperture is provided with pole, pole top is provided with blackboard eraser, and blackboard eraser is located at blackboard on both sides, and blackboard eraser rear portion is located at blackboard front portion
Same horizontal line.
Preferably, rotate mobile device and include bull stick, cushion, rotating shaft, right axle bearing, the first screw mandrel, the second screw mandrel, a left side
Bearing block, the second nut, connecting shaft and the first nut, fixed case left wall bottom are provided with left shaft holder, and fixed right wall of box bottom is set
There is right axle bearing, the second screw mandrel is installed on left shaft holder, the first screw mandrel is installed in right axle bearing, the first screw mandrel and second
Bar screw thread is connected with connecting shaft on the contrary, being provided between the first screw mandrel and the second screw mandrel, and connecting shaft left end is connected with the second screw mandrel, even
Spindle right-hand member is connected with the first screw mandrel, and the first screw mandrel is provided with the first nut, and the second screw mandrel is provided with the second nut, the first nut
Fixing device is equipped with the second nut top, the first screw mandrel right-hand member is connected with rotating shaft, and rotating shaft right-hand member is provided with bull stick, set on bull stick
There is cushion.
Preferably, fixing device includes inserted link, curved rod, the first spring and places block, the first nut and the second nut
Top, which is provided with, places block, places block right part and is provided with the first groove, places block top and is provided with the second groove, the interior contact of the second groove is set
There is pole, the interior left side of the first groove is provided with the first spring, and the first spring right-hand member is connected with curved rod, and curved rod bottom is located at first
In groove, inserted link is connected with the top of curved rod, inserted link coordinates with aperture.
Preferably, second spring, guide rod, hairbrush, sliding sleeve, rack and sector gear are also included, connecting shaft is provided with fan
Shape gear, guide rod is provided with before and after fixed case between two wall bottoms, guide rod is provided with sliding sleeve, rack, rack position are provided with the top of sliding sleeve
Immediately below sector gear, rack is engaged with sector gear, and second spring is connected between rear wall in rack rear end and fixed case,
Sliding sleeve bottom is provided with hairbrush, and hairbrush contacts with fixed case inner bottom part.
Preferably, standing groove, cutting ferrule and buckle are also included, fixed case left wall lower rotational formula is connected with standing groove, put
Put groove top portion and be hingedly connected with cutting ferrule, fixed case left wall is provided with buckle, and buckle is located above standing groove, and buckle coordinates with cutting ferrule.
Preferably, the material of cushion is natural rubber.
Preferably, the length of hairbrush and the length of blackboard are consistent.
Preferably, the material of fixed case is stainless steel.
Operation principle：The hand of people can write through opening on the first blackboard.When need wipe the first blackboard on word
When, manual operation rotates mobile device work, drives the blackboard eraser of the first blackboard on both sides to intermediary movements, and then by the first blackboard
On word erasing, after the completion of blackboard-cleaning, manual operation rotates mobile device work, drives blackboard eraser to reset, in wiping process
In, the chalk dust to drop is spilt from lower small opening, and when accumulation chalk dust is excessive on blackboard eraser, people can control fixing device will
Pole is separated with fixing device, and blackboard eraser is removed, and blackboard eraser is cleaned.
Because rotating mobile device includes bull stick, cushion, rotating shaft, right axle bearing, the first screw mandrel, the second screw mandrel, left axle
Bearing, the second nut, connecting shaft and the first nut, fixed case left wall bottom are provided with left shaft holder, and fixed right wall of box bottom is provided with
Right axle bearing, the second screw mandrel is installed on left shaft holder, the first screw mandrel, the first screw mandrel and the second screw mandrel are installed in right axle bearing
Screw thread is connected with connecting shaft on the contrary, being provided between the first screw mandrel and the second screw mandrel, and connecting shaft left end is connected with the second screw mandrel, connection
Axle right-hand member is connected with the first screw mandrel, and the first screw mandrel is provided with the first nut, and the second screw mandrel is provided with the second nut, the first nut and
Second nut top is equipped with fixing device, and the first screw mandrel right-hand member is connected with rotating shaft, and rotating shaft right-hand member is provided with bull stick, and bull stick is provided with
Cushion, so when needing to wipe the first blackboard, bull stick is manually rotated clockwise, drive screw mandrel and the second screw mandrel suitable
Turn, make the first nut and the second nut to intermediary movements, drive blackboard eraser to intermediary movements, and then to the first blackboard-cleaning, when
When both sides blackboard eraser is in contact, bull stick is manually rotated counterclockwise, and then drives the first nut to move right, the second nut is transported to the left
It is dynamic so that blackboard eraser resets.
Because fixing device includes inserted link, curved rod, the first spring and places block, the first nut and the second nut top
Provided with block is placed, place block right part and be provided with the first groove, place block top and be provided with the second groove, contacted in the second groove and be provided with branch
Bar, the interior left side of the first groove are provided with the first spring, and the first spring right-hand member is connected with curved rod, and curved rod bottom is located at the first groove
It is interior, inserted link is connected with the top of curved rod, inserted link coordinates with aperture, so initial inserted link is injected in aperture, blackboard eraser is fixed, when
Need to remove blackboard eraser when being cleaned, people pulls curved rod, drives inserted link to leave aperture, then removes blackboard eraser i.e.
Can.
Because also including second spring, guide rod, hairbrush, sliding sleeve, rack and sector gear, connecting shaft is provided with sector
Take turns, be provided with guide rod before and after fixed case between two wall bottoms, guide rod is provided with sliding sleeve, rack is provided with the top of sliding sleeve, rack is positioned at fan
Immediately below shape gear, rack engages with sector gear, is connected with second spring, sliding sleeve in rack rear end and fixed case between rear wall
Bottom is provided with hairbrush, and hairbrush contacts with fixed case inner bottom part, so in manual rotation's bull stick, connecting shaft concomitant rotation, drives
Sector gear rotates, and rack moves forward and backward under the rotary action of sector gear and the elastic force effect of second spring, so as to drive
Hairbrush moves forward and backward so that hairbrush scans out chalk dust from fixed case inner bottom part.
Because also including standing groove, cutting ferrule and buckle, fixed case left wall lower rotational formula is connected with standing groove, standing groove
Top is hingedly connected with cutting ferrule, and fixed case left wall is provided with buckle, and buckle is located above standing groove, and buckle coordinates with cutting ferrule, so
When needing to place teaching aid, cutting ferrule is manually pulled, drive cutting ferrule to leave buckle, and then rotate standing groove, you can using putting
Put groove and place educational aid, when that need not use standing groove, artificial opposite direction rotates standing groove, makes card sheath button will on buckle
Standing groove is fixed.
Because the material of cushion is natural rubber, the soft friction of material of natural rubber is big, when rotating bull stick, hand
Will not be injured, while be not easy to skid.
Because the material of fixed case is stainless steel, fixed case has the weak corrosive medium such as resistance to air, steam, water and had
Rustless characteristic.
(3) beneficial effect
Invention achieves wiped clean and effect easy to clean, and wiping the first blackboard only needs to rotate bull stick, so that it may
With the word on quick erasing blackboard, when the user made wipes the first blackboard, more convenient and quick, the chalk dust on blackboard eraser
When excessive, fixing device can allow the more convenient blackboard eraser of removing of people to be cleaned, and hairbrush can will be deposited in fixed case inner bottom part
Chalk dust cleaning.
Brief description of the drawings
Fig. 1 is the main structure diagram of the present invention.
Fig. 2 is the right side structural representation of the present invention.
Fig. 3 is the main structure diagram that the present invention rotates mobile device.
Fig. 4 is the main structure diagram of fixing device of the present invention.
Fig. 5 is the part left view structural representation of the present invention.
Fig. 6 is the part main structure diagram of the present invention.
Mark in accompanying drawing for：1- fixed cases, the blackboards of 2- first, 3- blackboard erasers, 4- poles, 5- apertures, 6- rotate movement
Device, 601- bull sticks, 602- cushions, 603- rotating shafts, 604- right axle bearings, the screw mandrels of 605- first, the screw mandrels of 606- second, 607- are left
Bearing block, the nuts of 608- second, 609- connecting shafts, the nuts of 610- first, small opening under 7-, 8- fixing devices, 801- inserted links, 802-
Curved rod, the springs of 803- first, 804- placement blocks, the grooves of 805- first, the grooves of 806- second, 9- openings, 10- second springs,
11- guide rods, 12- hairbrush, 13- sliding sleeves, 14- racks, 15- sector gears, 16- standing grooves, 17- cutting ferrules, 18- buckles.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of teaching cleaning type blackboard, as shown in figures 1 to 6, includes fixed case 1, the first blackboard 2, blackboard eraser 3, pole
4th, rotating mobile device 6 and fixing device 8, the antetheca of fixed case 1 are provided with opening 9, the bottom even of fixed case 1 is provided with lower small opening 7, Gu
Determine the inner top of case 1 and be provided with the first blackboard 2, bottom is provided with rotation mobile device 6 in fixed case 1, rotates mobile device 6 and is located at blackboard
Lower section, rotate mobile device 6 left and right ends and be connected with fixing device 8, the top of fixing device 8 is connected with pole 4, on pole 4
Aperture 5 is provided with, the top of pole 4 is provided with blackboard eraser 3, and blackboard eraser 3 is located at blackboard on both sides, and the rear portion of blackboard eraser 3 is located at blackboard front portion
Same horizontal line.
Embodiment 2
A kind of teaching cleaning type blackboard, as shown in figures 1 to 6, includes fixed case 1, the first blackboard 2, blackboard eraser 3, pole
4th, rotating mobile device 6 and fixing device 8, the antetheca of fixed case 1 are provided with opening 9, the bottom even of fixed case 1 is provided with lower small opening 7, Gu
Determine the inner top of case 1 and be provided with the first blackboard 2, bottom is provided with rotation mobile device 6 in fixed case 1, rotates mobile device 6 and is located at blackboard
Lower section, rotate mobile device 6 left and right ends and be connected with fixing device 8, the top of fixing device 8 is connected with pole 4, on pole 4
Aperture 5 is provided with, the top of pole 4 is provided with blackboard eraser 3, and blackboard eraser 3 is located at blackboard on both sides, and the rear portion of blackboard eraser 3 is located at blackboard front portion
Same horizontal line.
Rotate mobile device 6 and include bull stick 601, cushion 602, rotating shaft 603, right axle bearing 604, the first screw mandrel 605, the
Two screw mandrels 606, left shaft holder 607, the second nut 608, the nut 610 of connecting shaft 609 and first, the left wall bottom of fixed case 1 are provided with
Left shaft holder 607, the right wall bottom of fixed case 1 are provided with right axle bearing 604, and the second screw mandrel 606 is provided with left shaft holder 607, right
First screw mandrel 605, the first screw mandrel 605 and the screw thread of the second screw mandrel 606 are installed on the contrary, the first screw mandrel 605 and on bearing block 604
It is provided between two screw mandrels 606 and is connected with connecting shaft 609, the left end of connecting shaft 609 is connected with the second screw mandrel 606, the right-hand member of connecting shaft 609
It is connected with the first screw mandrel 605, the first screw mandrel 605 is provided with the first nut 610, and the second screw mandrel 606 is provided with the second nut 608,
First nut 610 and the top of the second nut 608 are equipped with fixing device 8, and the right-hand member of the first screw mandrel 605 is connected with rotating shaft 603, rotating shaft
603 right-hand members are provided with bull stick 601, and bull stick 601 is provided with cushion 602.
Embodiment 3
A kind of teaching cleaning type blackboard, as shown in figures 1 to 6, includes fixed case 1, the first blackboard 2, blackboard eraser 3, pole
4th, rotating mobile device 6 and fixing device 8, the antetheca of fixed case 1 are provided with opening 9, the bottom even of fixed case 1 is provided with lower small opening 7, Gu
Determine the inner top of case 1 and be provided with the first blackboard 2, bottom is provided with rotation mobile device 6 in fixed case 1, rotates mobile device 6 and is located at blackboard
Lower section, rotate mobile device 6 left and right ends and be connected with fixing device 8, the top of fixing device 8 is connected with pole 4, on pole 4
Aperture 5 is provided with, the top of pole 4 is provided with blackboard eraser 3, and blackboard eraser 3 is located at blackboard on both sides, and the rear portion of blackboard eraser 3 is located at blackboard front portion
Same horizontal line.
Rotate mobile device 6 and include bull stick 601, cushion 602, rotating shaft 603, right axle bearing 604, the first screw mandrel 605, the
Two screw mandrels 606, left shaft holder 607, the second nut 608, the nut 610 of connecting shaft 609 and first, the left wall bottom of fixed case 1 are provided with
Left shaft holder 607, the right wall bottom of fixed case 1 are provided with right axle bearing 604, and the second screw mandrel 606 is provided with left shaft holder 607, right
First screw mandrel 605, the first screw mandrel 605 and the screw thread of the second screw mandrel 606 are installed on the contrary, the first screw mandrel 605 and on bearing block 604
It is provided between two screw mandrels 606 and is connected with connecting shaft 609, the left end of connecting shaft 609 is connected with the second screw mandrel 606, the right-hand member of connecting shaft 609
It is connected with the first screw mandrel 605, the first screw mandrel 605 is provided with the first nut 610, and the second screw mandrel 606 is provided with the second nut 608,
First nut 610 and the top of the second nut 608 are equipped with fixing device 8, and the right-hand member of the first screw mandrel 605 is connected with rotating shaft 603, rotating shaft
603 right-hand members are provided with bull stick 601, and bull stick 601 is provided with cushion 602.
Fixing device 8 includes inserted link 801, curved rod 802, the first spring 803 and places block 804, the He of the first nut 610
The top of second nut 608, which is provided with, places block 804, places the right part of block 804 and is provided with the first groove 805, places the top of block 804 and is provided with the
Two grooves 806, the 806 interior contact of the second groove are provided with pole 4, and left side is provided with the first spring 803, the first bullet in the first groove 805
The right-hand member of spring 803 is connected with curved rod 802, and the bottom of curved rod 802 is located in the first groove 805, and the top of curved rod 802 is connected with slotting
Bar 801, inserted link 801 coordinate with aperture 5.
Embodiment 4
A kind of teaching cleaning type blackboard, as shown in figures 1 to 6, includes fixed case 1, the first blackboard 2, blackboard eraser 3, pole
4th, rotating mobile device 6 and fixing device 8, the antetheca of fixed case 1 are provided with opening 9, the bottom even of fixed case 1 is provided with lower small opening 7, Gu
Determine the inner top of case 1 and be provided with the first blackboard 2, bottom is provided with rotation mobile device 6 in fixed case 1, rotates mobile device 6 and is located at blackboard
Lower section, rotate mobile device 6 left and right ends and be connected with fixing device 8, the top of fixing device 8 is connected with pole 4, on pole 4
Aperture 5 is provided with, the top of pole 4 is provided with blackboard eraser 3, and blackboard eraser 3 is located at blackboard on both sides, and the rear portion of blackboard eraser 3 is located at blackboard front portion
Same horizontal line.
Rotate mobile device 6 and include bull stick 601, cushion 602, rotating shaft 603, right axle bearing 604, the first screw mandrel 605, the
Two screw mandrels 606, left shaft holder 607, the second nut 608, the nut 610 of connecting shaft 609 and first, the left wall bottom of fixed case 1 are provided with
Left shaft holder 607, the right wall bottom of fixed case 1 are provided with right axle bearing 604, and the second screw mandrel 606 is provided with left shaft holder 607, right
First screw mandrel 605, the first screw mandrel 605 and the screw thread of the second screw mandrel 606 are installed on the contrary, the first screw mandrel 605 and on bearing block 604
It is provided between two screw mandrels 606 and is connected with connecting shaft 609, the left end of connecting shaft 609 is connected with the second screw mandrel 606, the right-hand member of connecting shaft 609
It is connected with the first screw mandrel 605, the first screw mandrel 605 is provided with the first nut 610, and the second screw mandrel 606 is provided with the second nut 608,
First nut 610 and the top of the second nut 608 are equipped with fixing device 8, and the right-hand member of the first screw mandrel 605 is connected with rotating shaft 603, rotating shaft
603 right-hand members are provided with bull stick 601, and bull stick 601 is provided with cushion 602.
Fixing device 8 includes inserted link 801, curved rod 802, the first spring 803 and places block 804, the He of the first nut 610
The top of second nut 608, which is provided with, places block 804, places the right part of block 804 and is provided with the first groove 805, places the top of block 804 and is provided with the
Two grooves 806, the 806 interior contact of the second groove are provided with pole 4, and left side is provided with the first spring 803, the first bullet in the first groove 805
The right-hand member of spring 803 is connected with curved rod 802, and the bottom of curved rod 802 is located in the first groove 805, and the top of curved rod 802 is connected with slotting
Bar 801, inserted link 801 coordinate with aperture 5.
Also include second spring 10, guide rod 11, hairbrush 12, sliding sleeve 13, rack 14 and sector gear 15, connecting shaft 609
It is provided with sector gear 15, is provided with guide rod 11 between two wall bottoms before and after fixed case 1, guide rod 11 is provided with sliding sleeve 13, sliding sleeve 13
Top is provided with rack 14, and rack 14 is located at immediately below sector gear 15, and rack 14 engages with sector gear 15, the rear end of rack 14 and
Second spring 10 is connected with fixed case 1 between rear wall, the bottom of sliding sleeve 13 is provided with hairbrush 12, hairbrush 12 and the inner bottom part of fixed case 1
Contact.
Also including standing groove 16, cutting ferrule 17 and buckle 18, the left wall lower rotational formula of fixed case 1 is connected with standing groove 16,
The top of standing groove 16 is hingedly connected with cutting ferrule 17, and the left wall of fixed case 1 is provided with buckle 18, and buckle 18 is located at the top of standing groove 16, card
Button 18 coordinates with cutting ferrule 17.
The material of cushion 602 is natural rubber.
The length of hairbrush 12 is consistent with the length of blackboard.
The material of fixed case 1 is stainless steel.
Operation principle：The hand of people can write through opening 9 on the first blackboard 2.When need wipe the first blackboard 2 on
During word, manual operation rotates mobile device 6 and worked, and drives the blackboard eraser 3 of the first blackboard 2 both sides to intermediary movements, and then by the
Word erasing on one blackboard 2, after the completion of blackboard eraser 3 is wiped, manual operation rotates mobile device 6 and worked, and drives blackboard eraser 3 to reset,
In wiping process, the chalk dust to drop is spilt from lower small opening 7, and when accumulation chalk dust is excessive on blackboard eraser 3, people can be controlled
Fixing device 8 processed separates pole 4 with fixing device 8, and blackboard eraser 3 is removed, and blackboard eraser 3 is cleaned.
Because rotating mobile device 6 includes bull stick 601, cushion 602, rotating shaft 603, right axle bearing 604, the first screw mandrel
605th, the second screw mandrel 606, left shaft holder 607, the second nut 608, the nut 610 of connecting shaft 609 and first, under the left wall of fixed case 1
Portion is provided with left shaft holder 607, and the right wall bottom of fixed case 1 is provided with right axle bearing 604, the second screw mandrel is provided with left shaft holder 607
606, the first screw mandrel 605 is installed in right axle bearing 604, the first screw mandrel 605 and the screw thread of the second screw mandrel 606 are on the contrary, the first screw mandrel
605 and second are provided between screw mandrel 606 and are connected with connecting shaft 609, and the left end of connecting shaft 609 is connected with the second screw mandrel 606, connecting shaft
609 right-hand members are connected with the first screw mandrel 605, and the first screw mandrel 605 is provided with the first nut 610, and the second screw mandrel 606 is provided with the second spiral shell
Mother 608, the first nut 610 and the top of the second nut 608 are equipped with fixing device 8, and the right-hand member of the first screw mandrel 605 is connected with rotating shaft
603, the right-hand member of rotating shaft 603 is provided with bull stick 601, and bull stick 601 is provided with cushion 602, so needing to wipe the first blackboard 2
When, bull stick 601 is manually rotated clockwise, drives screw mandrel and the second screw mandrel 606 clockwise, makes the first nut 610 and the second nut
608, to intermediary movements, drive blackboard eraser 3 to be wiped to intermediary movements, and then to the first blackboard 2, when both sides blackboard eraser 3 is in contact
When, manually rotate counterclockwise bull stick 601, and then drive the first nut 610 to move right, the second nut 608 is to left movement so that
Blackboard eraser 3 resets.
Because fixing device 8 includes inserted link 801, curved rod 802, the first spring 803 and places block 804, the first nut
610 and the top of the second nut 608 be provided with and place block 804, place the right part of block 804 and be provided with the first groove 805, place the top of block 804
The second groove 806 is provided with, is contacted in the second groove 806 and is provided with pole 4, left side is provided with the first spring 803 in the first groove 805,
The right-hand member of first spring 803 is connected with curved rod 802, and the bottom of curved rod 802 is located in the first groove 805, and the top of curved rod 802 connects
Inserted link 801 is connected to, inserted link 801 coordinates with aperture 5, so initial inserted link 801 is injected in aperture 5, blackboard eraser 3 is fixed, when need
Blackboard eraser 3 is removed when being cleaned, people pulls curved rod 802, drives inserted link 801 to leave aperture 5, then by blackboard eraser 3
Remove.
Because also include second spring 10, guide rod 11, hairbrush 12, sliding sleeve 13, rack 14 and sector gear 15, connecting shaft
609 are provided with sector gear 15, are provided with guide rod 11 between two wall bottoms before and after fixed case 1, guide rod 11 is provided with sliding sleeve 13, sliding sleeve
13 tops are provided with rack 14, and rack 14 is located at immediately below sector gear 15, and rack 14 engages with sector gear 15, the rear end of rack 14
Second spring 10 is connected between rear wall in fixed case 1, the bottom of sliding sleeve 13 is provided with hairbrush 12, hairbrush 12 and bottom in fixed case 1
Portion contacts, so in manual rotation's bull stick 601, the concomitant rotation of connecting shaft 609, drives sector gear 15 to rotate, rack 14 exists
The rotary action of sector gear 15 and the elastic force effect of second spring 10 are lower movable, so as to be moved forward and backward with electric brush 12,
So that hairbrush 12 scans out chalk dust from the inner bottom part of fixed case 1.
Because also including standing groove 16, cutting ferrule 17 and buckle 18, the left wall lower rotational formula of fixed case 1 is connected with standing groove
16, the top of standing groove 16 is hingedly connected with cutting ferrule 17, and the left wall of fixed case 1 is provided with buckle 18, and buckle 18 is located at the top of standing groove 16,
Buckle 18 coordinates with cutting ferrule 17, thus when needing to place teaching aid, it is artificial to pull cutting ferrule 17, drive cutting ferrule 17 to leave buckle
18, and then rotate standing groove 16, you can educational aid is placed using standing groove 16, when standing groove 16 need not be used, manually
Opposite direction rotates standing groove 16, cutting ferrule 17 is buckled on buckle 18 and fixes standing groove 16.
Because the material of cushion 602 is natural rubber, the soft friction of material of natural rubber is big, is rotating bull stick
When 601, hand will not be injured, while is not easy to skid.
Because the material of fixed case 1 is stainless steel, fixed case 1 has the weak corrosive medium such as resistance to air, steam, water and tool
There is rustless characteristic.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (8)
- A kind of 1. teaching cleaning type blackboard, it is characterised in that include fixed case (1), the first blackboard (2), blackboard eraser (3), Pole (4), rotation mobile device (6) and fixing device (8), fixed case (1) antetheca are provided with opening (9), and fixed case (1) bottom is equal Even to be provided with lower small opening (7), fixed case (1) inner top is provided with the first blackboard (2), and fixed case (1) interior bottom, which is provided with, rotates mobile dress Put (6), rotate the lower section that mobile device (6) is located at blackboard, rotate mobile device (6) left and right ends and be connected with fixing device (8), Pole (4) is connected with the top of fixing device (8), aperture (5) is provided with pole (4), pole (4) top is provided with blackboard eraser (3), black Blackboard eraser (3) is located at blackboard on both sides, and blackboard eraser (3) rear portion is located at same horizontal line with blackboard front portion.
- 2. one kind teaching cleaning type blackboard according to claim 1, it is characterised in that rotating mobile device (6) includes There are bull stick (601), cushion (602), rotating shaft (603), right axle bearing (604), the first screw mandrel (605), the second screw mandrel (606), a left side Bearing block (607), the second nut (608), connecting shaft (609) and the first nut (610), fixed case (1) left wall bottom are provided with a left side Bearing block (607), fixed case (1) right wall bottom are provided with right axle bearing (604), and left shaft holder is provided with the second screw mandrel on (607) (606), the first screw mandrel (605), the first screw mandrel (605) and the second screw mandrel (606) screw thread phase are installed in right axle bearing (604) Instead, it is provided between the first screw mandrel (605) and the second screw mandrel (606) and is connected with connecting shaft (609), connecting shaft (609) left end and the Two screw mandrels (606) are connected, and connecting shaft (609) right-hand member is connected with the first screw mandrel (605), and the first screw mandrel (605) is provided with the first spiral shell Female (610), the second screw mandrel (606) are provided with the second nut (608), are all provided with the top of the first nut (610) and the second nut (608) There is fixing device (8), the first screw mandrel (605) right-hand member is connected with rotating shaft (603), and rotating shaft (603) right-hand member is provided with bull stick (601), turns Bar (601) is provided with cushion (602).
- 3. one kind teaching cleaning type blackboard according to claim 2, it is characterised in that fixing device (8) includes slotting Bar (801), curved rod (802), the first spring (803) and placement block (804), the first nut (610) and the second nut (608) top Portion, which is provided with, places block (804), places block (804) right part and is provided with the first groove (805), it is recessed that placement block (804) top is provided with second Groove (806), the interior contact of the second groove (806) are provided with pole (4), and left side is provided with the first spring (803) in the first groove (805), First spring (803) right-hand member is connected with curved rod (802), and curved rod (802) bottom is located in the first groove (805), curved rod (802) top is connected with inserted link (801), and inserted link (801) coordinates with aperture (5).
- 4. one kind teaching cleaning type blackboard according to claim 3, it is characterised in that also include second spring (10), guide rod (11), hairbrush (12), sliding sleeve (13), rack (14) and sector gear (15), connecting shaft (609) are provided with sector Gear (15), guide rod (11) is provided between two wall bottoms before and after fixed case (1), guide rod (11) is provided with sliding sleeve (13), sliding sleeve (13) top is provided with rack (14), and rack (14) is located at immediately below sector gear (15), and rack (14) is nibbled with sector gear (15) Close, second spring (10) is connected between rack (14) rear end and fixed case (1) interior rear wall, sliding sleeve (13) bottom is provided with hairbrush (12), hairbrush (12) contacts with fixed case (1) inner bottom part.
- 5. one kind teaching cleaning type blackboard according to claim 4, it is characterised in that also include standing groove (16), Cutting ferrule (17) and buckle (18), fixed case (1) left wall lower rotational formula are connected with standing groove (16), are hinged at the top of standing groove (16) Cutting ferrule (17) is connected with, fixed case (1) left wall is provided with buckle (18), and buckle (18) is located above standing groove (16), buckle (18) Coordinate with cutting ferrule (17).
- 6. one kind teaching cleaning type blackboard according to claim 5, it is characterised in that the material of cushion (602) is day T PNR.
- 7. one kind teaching cleaning type blackboard according to claim 6, it is characterised in that the length and blackboard of hairbrush (12) Length it is consistent.
- 8. one kind teaching cleaning type blackboard according to claim 7, it is characterised in that the material of fixed case (1) is not Become rusty steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257390.4A CN107415548A (en) | 2017-04-19 | 2017-04-19 | A kind of teaching cleaning type blackboard |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710257390.4A CN107415548A (en) | 2017-04-19 | 2017-04-19 | A kind of teaching cleaning type blackboard |
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| CN107415548A true CN107415548A (en) | 2017-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710257390.4A Pending CN107415548A (en) | 2017-04-19 | 2017-04-19 | A kind of teaching cleaning type blackboard |
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| CN (1) | CN107415548A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111251757A (en) * | 2020-04-22 | 2020-06-09 | 福州经济技术开发区美墨轩文具有限公司 | Automatic cleaning electric blackboard |
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Application publication date: 20171201 |
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| RJ01 | Rejection of invention patent application after publication |