CN108297584A - A kind of classroom special efficient automatic dust-absorbing type blackboard eraser - Google Patents
A kind of classroom special efficient automatic dust-absorbing type blackboard eraser Download PDFInfo
- Publication number
- CN108297584A CN108297584A CN201711466306.6A CN201711466306A CN108297584A CN 108297584 A CN108297584 A CN 108297584A CN 201711466306 A CN201711466306 A CN 201711466306A CN 108297584 A CN108297584 A CN 108297584A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- frame
- post
- dust
- shaft wheel
- 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.)
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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
- B43L21/00—Blackboard or slate cleaning devices
- B43L21/04—Wiper holders
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- Drawing Aids And Blackboards (AREA)
Abstract
The invention discloses a kind of classroom special efficient automatic dust-absorbing type blackboard erasers,Including C glyph frameworks and hand holding handle,Blackboard eraser frame is equipped in C glyph frameworks,One side surface of blackboard eraser frame is equipped with carbon fiber friction pad,Blackboard eraser frame is internally provided with fur dust collection mechanism,The right end of fur dust collection mechanism is equipped with axis wheel fan mechanism,Axis wheel fan mechanism includes rotation jack-post,Air draft fan leaf on rotation jack-post and the rolling pulley mounted on rotation jack-post both ends,It rotates jack-post and passes through blackboard eraser frame and C glyph frameworks,It is fixed with driving shaft wheel at the both ends of rotation jack-post,Fur dust collection mechanism includes follower lever,Banister brush and driven shaft wheel,The both ends of follower lever are mounted on by bearing in the convex cavity column of blackboard eraser frame,Driven shaft wheel is connect by transmission belt with driving shaft wheel,It is simple and compact for structure,It is safe to use,Health environment-friendly,Pick-up performance is good,It is easy to use flexible,Improve the service efficiency of blackboard eraser.
Description
Technical field
The present invention relates to classroom appliance technology, specially a kind of classroom special efficient automatic dust-absorbing type blackboard eraser.
Background technology
Chalk dust is quite serious to the harm of human body：(1) harm of the dust to teachers and students' body, with the most commonly seen chalk dust of lung
It is inhaled into after lung, majority is delayed in alveolar, and lung damage, pulmonary ventilation function are caused by series of chemical effect
Decline；(2) at present among the ingredient of market chalk, the content of cadmium metal is higher, after cadmium is sucked by human body, major storage liver,
Apparent to these histologic lesions in kidney bone tissue, major lesions are pulmonary emphysema and kidney damage caused by Long Term Contact cadmium compound.
Cadmium is also one of the metallic element for most easily leading to cancer simultaneously.
Successively all there are many solutions to propose for existing market：For example write on special blackboard using ink pens, make
With dust-free chalk etc..Two schemes drawback is it is clear that the former ink pens price is higher with respect to chalk, and writing is unclear
It is clear, effect of attending class is influenced, and dust-free chalk is not avoided that generation dust, dust suction chalk also occur much more or less, but
It is some effect unobvious of these dust suction chalks, some are expensive, some devices are fine, it is often necessary to repair, practical value
It is low.
Many eraser with means for absorbing chalk dust are also met the tendency of at present, and many dust-free black board erasers are all unregulated power dust suctions, but at present
Major defect is as follows existing for the unregulated power dust absorption blackboard eraser being widely used：
(1) it is wiped using common cloth, the effect of no electrostatic precipitation causes pick-up performance poor, dust often occurs
The situation raised；
(2) can only unidirectionally be wiped, cause it is inconvenient to use, wiping efficiency it is low.
Invention content
In order to overcome the shortcomings of that prior art, the present invention provide a kind of classroom special efficient automatic dust-absorbing type blackboard eraser,
Simple and compact for structure, safe to use, health environment-friendly, pick-up performance is good, while use is more convenient flexibly, improves to greatest extent
The service efficiency of blackboard eraser can effectively solve the problem that the problem of background technology proposes.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of classroom special efficient automatic dust-absorbing type blackboard eraser, including C glyph frameworks and hand holding handle, in the C glyph frameworks
Equipped with blackboard eraser frame, a side surface of the blackboard eraser frame is equipped with carbon fiber friction pad, the inside of the blackboard eraser frame
Equipped with fur dust collection mechanism, the right end of the fur dust collection mechanism is equipped with axis wheel fan mechanism；
The axis wheel fan mechanism includes rotation jack-post, several air draft fan leafs and two rolling pulleies, the rotation jack-post
Across the blackboard eraser frame and C glyph frameworks, the rolling pulley is mounted on the both ends of the rotation jack-post, and the rolling
Movable pulley exceeds the C glyph frameworks 1cm-2cm, and the air draft fan leaf is fixedly mounted on by cylindrical sleeves on rotation jack-post,
It is fixed with driving shaft wheel at the both ends of the rotation jack-post.
The fur dust collection mechanism includes follower lever, banister brush and driven shaft wheel, the front and back two sides of the blackboard eraser frame
It is equipped with convex cavity column, the both ends of the follower lever are mounted on by bearing in convex cavity column, and the banister brush fixes peace
It fills on the driven wheel, and the banister brush is spirally distributed, the driven shaft wheel is respectively and fixedly installed to the two of follower lever
End, the driven shaft wheel are connect by transmission belt with driving shaft wheel.
As a kind of preferred technical solution of the present invention, woven wire is installed inside the left side of the blackboard eraser frame
Frame, the sectional side view of the wire rack parabolically shape, vertical tangent line and the blackboard eraser frame of the left side wire rack
Vertical tangent position it is identical.
As a kind of preferred technical solution of the present invention, the carbon fiber friction pad is mounted on blackboard eraser frame and wire
Between rack, the outside of the carbon fiber friction pad is equipped with support ring, and the outer surface of the support ring is equipped with several intervals uniformly
The sleeving connecting rod of distribution, the blackboard eraser frame are equipped with and the matched cavity bore of sleeving connecting rod.
As a kind of preferred technical solution of the present invention, steering mechanism, institute are equipped between the C glyph frameworks and hand holding handle
It includes transmission gear and manual rack to state steering mechanism, and the C glyph frameworks are fixedly mounted on transmission gear, the manual tooth
Item engages connection with transmission gear, and is fixedly connected with the reset lever being located on hand holding handle in the manual rack other end.
As a kind of preferred technical solution of the present invention, dust suction is equipped between the wire rack and carbon fiber friction pad
Sponge, the dust suction sponge is interior to be equipped with honeycomb-like pores.
As a kind of preferred technical solution of the present invention, the blackboard eraser frame has dedusting hole, the blackboard eraser frame
It is provided with detachable dust accumulation box.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the configuration of the present invention is simple is compact, environment protection health, by frictional static to have the function that dust suction, while again
It is safe to use using the mechanism of unregulated power wind-force dust suction, and pick-up performance is good.
(2) present invention avoids the unidirectional use of pulley by addition steering mechanism, and use is more convenient flexibly, to
The service efficiency of blackboard eraser can be improved to greatest extent.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the present invention；
Fig. 2 is the outline structural diagram of the present invention；
Fig. 3 is the supporting ring structure schematic diagram of the present invention；
Fig. 4 is steering mechanism's structural schematic diagram of the present invention；
Figure label：
1-C glyph frameworks；2- hand holding handles；3- blackboard eraser frames；4- carbon fiber friction pads；5- fur dust collection mechanisms；6- axis
Take turns fan mechanism；7- driving shaft wheels；8- convex cavity columns；9- bearings；10- transmission belts；11- wire racks；12- support rings；
13- sleeving connecting rods；14- cavity bores；15- steering mechanism；16- dust suction sponges；17- honeycomb-like pores；18- dedusting holes；19- is detachable
Dust accumulation box；
501- follower levers；502- banister brush；503- driven shaft wheels；
601- rotates jack-post；602- air draft fan leafs；603- rolling pulleies；604- cylindrical sleeves；
1501- transmission gears；The manual racks of 1502-；1503- reset levers.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 1 to 4, the present invention provides a kind of classroom special efficient automatic dust-absorbing type blackboard erasers, including C font frames
Frame 1 and hand holding handle 2, the C glyph frameworks 1 are interior to be equipped with blackboard eraser frame 3, and a side surface of the blackboard eraser frame 3 is equipped with carbon
Fibre frictoin pad 4, the blackboard eraser frame 3 are internally provided with fur dust collection mechanism 5, and the right end of the fur dust collection mechanism 5 is set
There is an axis wheel fan mechanism 6, electrostatic interaction when the carbon fiber friction pad 4 with blackboard for education in order to rub, to by adsorbing powder dust,
To realize the function of self-dust-suction, the effect of the fur dust collection mechanism 5 is to generate vibration to carbon fiber friction pad 4, thus will
Dust inside carbon fiber friction pad 4 all carries out dust suction processing, and axis wheel fan mechanism 6 generates wind-force thus by dust absorbing.
It should be noted that carbon fiber be a kind of phosphorus content 95% or more high intensity, high modulus fibre novel fibre
Tie up material.It is piled up along fiber axial direction by organic fibers such as flake graphites, through carbonization and graphitization processing
Obtained from microcrystalline graphite material.Carbon fiber " soft outside but hard inside ", quality is lighter than metallic aluminium, but intensity is higher than steel, and has
There is corrosion-resistant, high-modulus characteristic, is all important materials in defence and military and civilian aspect.It is not only intrinsic with carbon material
Intrinsic property, and have both the soft machinability of textile fabric, it is reinforcing fiber of new generation.
Carbon fiber has many excellent performances, and the axial strength and modulus of carbon fiber are high, and density is low, higher than performance, without compacted
Become, superhigh temperature resistant under non-oxidizing atmosphere, fatigue durability is good, and specific heat and electric conductivity between metal, thermally expand system between nonmetallic
Number is small and has anisotropy, good corrosion resistance, and X-ray transparent is good.Good electrical and thermal conductivity performance, electromagnetic wave shielding are good
Deng.
Steering mechanism 15 is equipped between the C glyph frameworks 1 and hand holding handle 2, the steering mechanism 15 includes transmission gear
1501 and manual rack 1502, the C glyph frameworks 1 be fixedly mounted on transmission gear 1501, the manual rack 1502 with
The engagement connection of transmission gear 1501, and fixed in 1502 other end of manual rack and the reset lever 1503 being located on hand holding handle 2
Connection, hand-held reset lever 1503 pull manual rack 1502, band nutating gear 1501 to rotate, and C glyph frameworks 1 are rotatably appointed
Meaning angle, band moving axis wheel fan mechanism 6 are rotated along any direction, and so as to avoid the unidirectional use of pulley, use is more convenient
Flexibly, so as to improving the service efficiency of blackboard eraser to greatest extent.
The axis wheel fan mechanism 6 includes rotation jack-post 601, several air draft fan leafs 602 and two rolling pulleies 603, institute
Stating rotation jack-post 601 passes through the blackboard eraser frame 3 and C glyph frameworks 1, the rolling pulley 603 to be mounted on the rotation axis
The both ends of column 601, the C glyph frameworks 1 are cavity structure, and 603 part of the rolling pulley exceeds C glyph frameworks 1, in addition
Rolling pulley 603 is made of scleroid rubber material, avoids scratching blackboard when rubbing with blackboard, and described
Rolling pulley 603 exceeds the C glyph frameworks 11cm-2cm, and the air draft fan leaf 602 is evenly spaced by cylindrical sleeves 604
It is fixedly mounted on rotation jack-post 601, driving shaft wheel 7, the extraction fan is fixed at the both ends of the rotation jack-post 601
Leaf 602 is evenly spaced to be mounted on the cylindrical sleeves 604, and the air draft fan leaf 602 is in curved arc structure, driving shaft
7 connection fur dust collection mechanism 5 of wheel, to reach the gearing to fur dust collection mechanism 5.
It should be noted that the operation principle of axis wheel fan mechanism 6 is：It interacts between rolling pulley 603 and blackboard,
To drive rotation jack-post 601 to rotate, and then the rotation of air draft fan leaf 602 is driven to blow, thus by dust absorbing, air draft fan leaf
602 be the light duroplasts of quality.
The fur dust collection mechanism 5 includes follower lever 501, banister brush 502 and driven shaft wheel 503, the blackboard eraser frame 3
Front and back two sides be equipped with convex cavity column 8, the both ends of the follower lever 501 are mounted on by bearing 9 in convex cavity column 8,
The banister brush 502 is fixedly mounted on driven wheel 501, and the banister brush 502 is spirally distributed, the driven shaft wheel
503 are respectively and fixedly installed to the both ends of follower lever 501, and the driven shaft wheel 503 is connect by transmission belt 10 with driving shaft wheel 7,
Follower lever 501 is rotated by bearing 9 around convex cavity column 8, reduces the pivoting friction of follower lever 501 as far as possible, so that
The rotation of follower lever 501 is more smooth, and driving shaft wheel 7 drives driven shaft wheel 503 to rotate, so that the rotation of banister brush 502 plays
Effect of vibration shakes the dust inside carbon fiber friction pad 4, consequently facilitating cleaning operation.
It should be noted that the operation principle of fur dust collection mechanism 5 is：Driving shaft wheel 7 drives driven shaft wheel 503 to rotate,
502 helical rotation of banister brush is driven, to shake the dust inside carbon fiber friction pad 4, is convenient for the pumping of axis wheel fan mechanism 6
Absorption operation of the fan leaf 602 to dust.
Wire rack 11, the sectional side view of the wire rack 11 are installed inside the left side of the blackboard eraser frame 3
The vertical tangent line of parabolically shape, the left side wire rack 11 is identical as the vertical tangent position of blackboard eraser frame 3, metal
Screen frame 11 is to play the role of support to carbon fiber friction pad 4, is recessed inwardly after preventing carbon fiber friction pad 4 to be used for a long time,
To can not blackboard wiping, increase the stability of carbon fiber friction pad 4, to prolong the service life.
The carbon fiber friction pad 4 is mounted between blackboard eraser frame 3 and wire rack 11, the carbon fiber friction pad
4 outside is equipped with support ring 12, and the outer surface of the support ring 12 is equipped with several equally distributed sleeving connecting rods 13 in interval, described black
Blackboard eraser frame 3 be equipped with 13 matched cavity bore 14 of sleeving connecting rod, pass through the mutual cooperation between sleeving connecting rod 13 and cavity bore 14
Effect, convenient for removing support ring 12, to complete the replacement to carbon fiber friction pad 4 in time.
Preferably, dust suction sponge 16, the dust suction sea are equipped between the wire rack 11 and carbon fiber friction pad 4
Honeycomb-like pores 17 are equipped in silk floss 16, dust suction sponge 16 can increase the thickness and elasticity of carbon fiber friction pad 4, squeeze carbon fiber and rub
When scrubbing pad 4, rolling pulley 603 can be contacted smoothly with blackboard, consequently facilitating realize the mating reaction to erase the board with dust collection mechanism,
Realize self-dust-suction.
Preferably, the blackboard eraser frame 3 has dedusting hole 18, and the blackboard eraser frame 3 is equipped with detachable dust accumulation
Box 19 can be handled dirt absorption accumulation.
The concrete operating principle of the present invention：When blackboard wiping, interact between rolling pulley 603 and blackboard,
To drive rotation jack-post 601 to rotate, and then the rotation of air draft fan leaf 602 is driven to blow, driving shaft wheel 7 drives driven shaft wheel 503
Rotation drives 502 helical rotation of banister brush, and to shaking the dust inside carbon fiber friction pad 4, air draft fan leaf 602 is by powder
Dirt absorbs, and realizes unregulated power self-dust-suction.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser, it is characterised in that：Including C glyph frameworks (1) and hand holding handle (2),
Blackboard eraser frame (3) is equipped in the C glyph frameworks (1), a side surface of the blackboard eraser frame (3) is equipped with carbon fiber friction
It pads (4), the blackboard eraser frame (3) is internally provided with fur dust collection mechanism (5), and the right end of the fur dust collection mechanism (5) is set
There is axis wheel fan mechanism (6)；
The axis wheel fan mechanism (6) includes rotation jack-post (601), several air draft fan leafs (602) and two rolling pulleies
(603), the rotation jack-post (601) passes through the blackboard eraser frame (3) and C glyph frameworks (1), the rolling pulley (603)
Mounted on the both ends of the rotation jack-post (601), and the rolling pulley (603) exceeds C glyph frameworks (1) 1cm-
2cm, the air draft fan leaf (602) are fixedly mounted on by the way that cylindrical sleeves (604) are evenly spaced on rotation jack-post (601),
The both ends of the rotation jack-post (601) are fixed with driving shaft wheel (7)；
The fur dust collection mechanism (5) includes follower lever (501), banister brush (502) and driven shaft wheel (503), the blackboard eraser
The front and back two sides of frame (3) is equipped with convex cavity column (8), and the both ends of the follower lever (501) are mounted on interior by bearing (9)
In convex cavity column (8), the banister brush (502) is fixedly mounted on driven wheel (501), and the banister brush (502) is in spiral shell
Shape distribution is revolved, the driven shaft wheel (503) is respectively and fixedly installed to the both ends of follower lever (501), and the driven shaft wheel (503) is logical
Transmission belt (10) is crossed to connect with driving shaft wheel (7).
2. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser according to claim 1, it is characterised in that：The blackboard eraser
Wire rack (11) is installed, the sectional side view of the wire rack (11) parabolically shape is left inside the left side of frame (3)
The vertical tangent line of wire rack (11) described in side is identical as the vertical tangent position of blackboard eraser frame (3).
3. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser according to claim 1, it is characterised in that：The carbon fiber
Friction pad (4) is mounted between blackboard eraser frame (3) and wire rack (11), is set on the outside of the carbon fiber friction pad (4)
There are support ring (12), the outer surface of the support ring (12) to be equipped with several equally distributed sleeving connecting rods (13) in interval, the blackboard
Frame (3) is wiped to be equipped with and sleeving connecting rod (13) matched cavity bore (14).
4. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser according to claim 1, it is characterised in that：The C fonts
Steering mechanism (15) is equipped between frame (1) and hand holding handle (2), the steering mechanism (15) includes transmission gear (1501) and hand
Carry-over bar (1502), the C glyph frameworks (1) are fixedly mounted on transmission gear (1501), the manual rack (1502) with
Transmission gear (1501) engagement connection, and in manual rack (1502) other end and the reset lever being located on hand holding handle (2)
(1503) it is fixedly connected.
5. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser according to claim 2, it is characterised in that：The wire
It is equipped with dust suction sponge (16) between rack (11) and carbon fiber friction pad (4), cellular gas is equipped in the dust suction sponge (16)
Hole (17).
6. a kind of classroom special efficient automatic dust-absorbing type blackboard eraser according to claim 1, it is characterised in that：The blackboard eraser
Frame (3) has dedusting hole (18), and the blackboard eraser frame (3) is equipped with detachable dust accumulation box (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466306.6A CN108297584A (en) | 2017-12-28 | 2017-12-28 | A kind of classroom special efficient automatic dust-absorbing type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711466306.6A CN108297584A (en) | 2017-12-28 | 2017-12-28 | A kind of classroom special efficient automatic dust-absorbing type blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108297584A true CN108297584A (en) | 2018-07-20 |
Family
ID=62867770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711466306.6A Pending CN108297584A (en) | 2017-12-28 | 2017-12-28 | A kind of classroom special efficient automatic dust-absorbing type blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108297584A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154600A (en) * | 2019-05-31 | 2019-08-23 | 毛潞 | It erases the board and uses auxiliary device |
| CN112078282A (en) * | 2020-08-06 | 2020-12-15 | 天台光润五金机电有限公司 | Multifunctional blackboard wiping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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