CN106926621A - The blackboard component of the environment friendly blackboard scrape along application environment-friendly dust-proof eraser - Google Patents
The blackboard component of the environment friendly blackboard scrape along application environment-friendly dust-proof eraser Download PDFInfo
- Publication number
- CN106926621A CN106926621A CN201710260367.0A CN201710260367A CN106926621A CN 106926621 A CN106926621 A CN 106926621A CN 201710260367 A CN201710260367 A CN 201710260367A CN 106926621 A CN106926621 A CN 106926621A
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- China
- Prior art keywords
- blackboard
- fixed seat
- rotating shaft
- environment
- 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.)
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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
-
- 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 kind of blackboard component of environment-friendly dust-proof eraser application environment-friendly dust-proof eraser, it is related to teaching aid field, more particularly to blackboard and blackboard eraser technical field.Environment-friendly dust-proof eraser, for being used cooperatively with Sliding blackboard or push-and-pull blackboard, it includes blackboard eraser body, fixture and fixed seat.Blackboard eraser body is detachably arranged in fixture, and fixture is connected with fixed seat.Fixed seat can be fixedly installed in the fixed plate of Sliding blackboard and can adjust the extruding force between blackboard eraser body and blackboard.Blackboard component, including at least two pieces adjustable Sliding blackboards in position and above-mentioned environment-friendly dust-proof eraser.Sliding blackboard includes top board and base plate, and environment-friendly dust-proof eraser is fixedly installed between top board and base plate and blackboard eraser body can be set towards Sliding blackboard.Reasonable in design, simple structure of the invention, easily replacing cleaning, wipe efficiency high, save the time, are difficult airborne dust, reduce and endanger.
Description
Technical field
The present invention relates to teaching aid field, more particularly to blackboard and blackboard eraser technical field, in particular to one kind
The blackboard component of the environment friendly blackboard scrape along application environment-friendly dust-proof eraser.
Background technology
Blackboard and blackboard eraser are indispensable teaching aids in teaching, can be by the word on blackboard using blackboard eraser
Mark is wiped, being capable of the writing and wiping repeatedly on blackboard.
In sassafras blackboard, dust flies upward existing blackboard eraser everywhere, pollutes environment, and long-term suction dust is to student and teacher
It is healthy and its unfavorable, or even cause the occupational disease of teacher, and working costs, laborious, efficiency is low, harm is healthy.
In sum, a blackboard eraser for environmental protection is designed, is those skilled in the art's technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly dust-proof eraser, it is motionless that the blackboard eraser is fixed on position on blackboard, passes through
The left and right of blackboard, slide up and down and carry out erasing out handwriting, be difficult airborne dust, reduce pollution, to wipe efficiency high, effect good, and easy to clean is more
Change, be conducive to that teachers and students' is healthy.
The present invention also aims to provide a kind of blackboard component of the application environment-friendly dust-proof eraser, Sliding blackboard and environmental protection
Blackboard eraser is used cooperatively, and with wiping, efficiency high, effect are good, is difficult airborne dust, reduces harm, and can reduce user makes for a long time
The probability of occupational disease is produced during.
What embodiments of the invention were realized in:
Based on above-mentioned purpose, The embodiment provides a kind of environment-friendly dust-proof eraser, for Sliding blackboard or push away
Blackboard is drawn to use cooperatively, including blackboard eraser body, fixture and fixed seat;
The blackboard eraser body is detachably arranged in the fixture, and the fixture is connected with the fixed seat;
The fixed seat can be fixedly installed in the fixed plate of the Sliding blackboard and can adjust the blackboard eraser sheet
Extruding force between body and the blackboard.
In addition, what embodiments in accordance with the present invention were provided, there can also be following additional technical characteristic:
In alternative embodiment of the invention, the fixture includes fixed body and is arranged at the fixed body two ends
First rotating shaft and the second rotating shaft, the first rotating shaft and second rotating shaft are coaxially disposed;
The fixed body to be offered and be embedded groove along what the length direction of the fixed body ran through;
The blackboard eraser body is provided with erasing portion and can be embedded the connecting portion that groove matches, the connecting portion with described
It is detachably arranged in described being embedded in groove.
In alternative embodiment of the invention, for T-slot, the blackboard eraser body is sponge to the groove that is embedded.
In alternative embodiment of the invention, the side away from the connecting portion in the erasing portion offers at least one
Dust guide groove, the dust guide groove is set along the length direction of the blackboard eraser body.
In alternative embodiment of the invention, the cross section of the fixed body includes big end and small end, described the
One rotating shaft and second rotating shaft may be contained within the small end, and the groove that is embedded is arranged at the big end, and the fixation is originally
Body can drive the blackboard eraser body around the first rotating shaft and second axis of rotation.
In alternative embodiment of the invention, the fixed seat includes the first fixed seat and the second fixed seat, described first
Fixed seat is rotated with the first rotating shaft and is connected, and second fixed seat is detachably connected with second rotating shaft;
First fixed seat is used to be fixed on the top board of the fixed plate, and second fixed seat is described for being arranged on
The base plate of fixed plate;
Second rotating shaft is provided with the first connector, the axis of the axis of first connector and second rotating shaft
It is substantially vertical;
Second fixed seat is provided with the second connector, and second connector is used for and the first connector card
Connect.
In alternative embodiment of the invention, one end of second connector is provided with symmetrical the first draw-in groove and second
Draw-in groove, first draw-in groove and second draw-in groove are provided with Access Division, and first connector includes being symmetricly set in institute
First half and the second half of the second rotating shaft are stated, first half can be with the Access Division card of first draw-in groove
Connect, meanwhile, second half can be with the Access Division clamping of second draw-in groove.
In alternative embodiment of the invention, second fixed seat is additionally provided with back-moving spring and push button element, described multiple
Position spring is embedded inside second fixed seat, and the push button element is arranged in second fixed seat and is provided with support
The supporting part of second rotating shaft, one end of the back-moving spring abuts with the push button element;
The back-moving spring have the first state that the supporting part abuts second rotating shaft and the supporting part with
The second state that second rotating shaft is separate.
In alternative embodiment of the invention, second fixed seat is additionally provided with actuator, and the actuator is fixed and set
It is placed in inside second fixed seat, the actuator is connected and with second connector for driving second connector
Rotate.
Embodiments of the invention additionally provide a kind of blackboard component of the application environment-friendly dust-proof eraser, including at least two pieces positions
Adjustable Sliding blackboard and above-mentioned environment-friendly dust-proof eraser;
The Sliding blackboard includes top board and base plate, and the environment-friendly dust-proof eraser is fixedly installed on the top board and the base plate
Between and the blackboard eraser body can be set towards the Sliding blackboard, the fixed seat can adjust the blackboard eraser body
With the extruding force between the Sliding blackboard.
The beneficial effect of the embodiment of the present invention is:Reasonable in design, simple structure, be difficult airborne dust, reduce pollution, wipe efficiency
High, effect is good, and easy to clean is changed, and can reduce the probability that user produces occupational disease during long-term use, is conducive to
Teachers and students' is healthy.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram at the first visual angle of the environment-friendly dust-proof eraser that the embodiment of the present invention 1 is provided;
Fig. 2 is the schematic diagram at the first visual angle of blackboard eraser body in Fig. 1;
Fig. 3 is the schematic diagram at second visual angle of Fig. 2;
Fig. 4 is the schematic diagram at the first visual angle in Fig. 1 during fixture;
Fig. 5 is the schematic diagram at second visual angle of Fig. 4;
Fig. 6 is the schematic diagram at second visual angle of Fig. 1;
Fig. 7 is the schematic diagram of the first fixed seat in Fig. 6;
Fig. 8 is the schematic diagram of the second fixed seat in Fig. 6;
Fig. 9 is the internal structure schematic diagram of Fig. 8;
Figure 10 is the schematic diagram of the second connector in Fig. 8;
Figure 11 is the schematic diagram of the blackboard component that the embodiment of the present invention 2 is provided.
Icon:100- environment-friendly dust-proof erasers;10- blackboard eraser bodies;13- erasings portion;14- dust guide grooves;16- connecting portions;20-
Fixture;22- fixes body;The big ends of 224-;226- small ends;24- is embedded groove;26- first rotating shafts;The rotating shafts of 28- second;
The connectors of 283- first;The half of 2835- first;The half of 2837- second;30- fixed seats;The fixed seats of 31- first;312- first consolidates
Determine portion;316- first connecting portions;The fixed seats of 36- second;The connectors of 362- second;The draw-in grooves of 3624- first;The draw-in grooves of 3626- second;
364- back-moving springs;366- push button element;368- supporting parts;50- blackboard components;52- Sliding blackboards;54- top boards;56- base plates.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that:Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " first ", " second ", " the 3rd " etc. are only used for differentiation and retouch
State, and it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected;Can be
Mechanically connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood in the present invention
In concrete meaning.
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Multitude of different ways with covering is implemented.
Wherein Fig. 1-Figure 10 correspondence embodiments of the invention 1, Figure 11 correspondence embodiments of the invention 2, below in conjunction with attached
Figure is described in detail to the technical scheme of the embodiment of the present invention.
Embodiment 1
As shown in figure 1, the environment-friendly dust-proof eraser 100 that the embodiment of the present invention 1 is provided, for black with Sliding blackboard 52 or push-and-pull
Plate is used cooperatively, and the environment-friendly dust-proof eraser 100 includes blackboard eraser body 10, fixture 20 and fixed seat 30.
Concrete structure and corresponding relation each other below to all parts of the environment-friendly dust-proof eraser 100 is carried out in detail
Explanation.
First, the concrete structure of blackboard eraser body 10 is discussed in detail.Refer to shown in Fig. 2 and Fig. 3, blackboard eraser body 10 is
Slim-lined construction and the writing being used on erasing blackboard including erasing portion 13 and connecting portion 16, the erasing portion 13, connecting portion 16 are used for
It is connected with fixture 20.
In embodiments of the invention 1, the erasing portion 13 of blackboard eraser body 10 and connecting portion 16 are integrally formed, erasing portion 13
Shape of cross section be arc-shaped, the shape of cross section of connecting portion 16 is T-shaped.
Optionally, blackboard eraser body 10 is sponge, wool felt, rag etc., as long as the writing on blackboard can be wiped
Except in embodiments of the invention 1, optionally, blackboard eraser body 10 is sponge.
Erasing portion 13 offers at least one dust guide groove 14 away from the side of connecting portion 16, and the width of dust guide groove 14 is big
Small not to be limited, dust guide groove 14 is set along the length direction of blackboard eraser body 10.It is optional in embodiments of the invention 1
, the outside in erasing portion 13 is evenly arranged with multiple dust guide grooves 14, and dust slides from the dust guide groove 14 after being easy to erase the board
To in the ash accepting box of lower section.
Because the environment-friendly dust-proof eraser 100 is vertically arranged on Sliding blackboard 52, blackboard eraser position maintains static, and blackboard is left
The property of may be selected by wipes unwanted writing during right slip.Certainly, the environment-friendly dust-proof eraser 100 can also be horizontal
It is arranged on Sliding blackboard 52, blackboard optionally wipes unwanted writing during sliding up and down, when the environmental protection
When blackboard eraser 100 is horizontally set at Sliding blackboard 52, the dust guide groove 14 is then set along the width of blackboard eraser body 10.
Secondly, refer to shown in Fig. 4, fixture 20 is discussed in detail, fixture 20 includes fixed body 22, first rotating shaft 26
And second rotating shaft 28, wherein, the rotating shaft 28 of first rotating shaft 26 and second is fixedly installed on the two ends of fixed body 22, and respectively
One rotating shaft 26 and the second rotating shaft 28 are coaxially disposed.
Offered on fixed body 22 and be embedded groove 24 along what the length direction of fixed body 22 ran through, blackboard eraser body 10 can
That dismantles is arranged on fixed body 22, when fixed body 22 rotates with 26 and second rotating shaft of first rotating shaft 28, so that band
Dynamic blackboard eraser body 10 is rotated.
Refer to shown in Fig. 5, the cross section of fixed body 22 includes big end 224 and small end 226, the He of first rotating shaft 26
Second rotating shaft 28 may be contained within small end 226, the big end 224 of fixed body 22 offer it is above-mentioned be embedded groove 24, and this is embedded
Along the length direction of fixed body 22 through setting, the connecting portion 16 of blackboard eraser body 10 is detachably arranged in this and is embedded groove 24
In groove 24.
Optionally, groove 24 is embedded for T-slot, and this is embedded groove 24 and is engaged with the connecting portion 16 of blackboard eraser body 10.
When fixed body 22 rotates with 26 and second rotating shaft of first rotating shaft 28, also drive and be embedded at the black of big end 224
Blackboard eraser body 10 rotates, so as to have following several states between the erasing portion 13 of blackboard eraser body 10 and blackboard:First state,
There is gap between erasing portion 13 and blackboard;Second state, the transition state contacted between erasing portion 13 and blackboard;3rd shape
State, erasing portion 13 is extruded with blackboard and pressure is ascending;4th state, pressure between erasing portion 13 and blackboard by greatly to
It is small;5th state, erasing portion 13 separates with blackboard.
Optionally, fixed body 22 is cam, eccentric wheel etc., as long as by rotating the rotating shaft of first rotating shaft 26 and second
28, it is possible to the extruding force after adjusting distance between blackboard eraser body 10 and blackboard and contacting.
Second rotating shaft 28 is provided with the axis base of the first connector 283, the axis of the first connector 283 and the second rotating shaft 28
This is vertical, and first connector 283 is for being connected with fixed seat 30.
Again, fixed seat 30 is discussed in detail, the fixed seat 30 is for being connected with fixture 20, such that it is able to by blackboard eraser
It is fixed on the framework of blackboard, refer to shown in Fig. 6.
Fixed seat 30 includes the first fixed seat 31 and the second fixed seat 36, wherein, the first fixed seat 31 and first rotating shaft 26
Connection is rotated, the second fixed seat 36 is detachably connected with the second rotating shaft 28.
Sliding blackboard 52 includes fixed plate, and fixed plate includes top board 54 and base plate 56, wherein, the first fixed seat 31 is used for solid
It is scheduled on the top board 54 of fixed plate, the second fixed seat 36 is used to be arranged on the base plate 56 of fixed plate.
Refer to shown in Fig. 7, optionally, the first fixed seat 31 includes the first fixed part 312 and first connecting portion 316, the
One fixed part 312 is fixed on the top board 54 of Sliding blackboard 52, and first connecting portion 316 is rigidly connected with the first fixed part 312, this
In be rigidly connected and connect and be integrally formed including dismountable, i.e. the fixed part 312 of first connecting portion 316 and first can pass through
The modes such as bolt, rivet, steady pin or screw thread are removably connected, it is also possible to the fixed part 312 of first connecting portion 316 and first
The mode such as it is integrally formed or welds to be fixedly connected.
First connecting portion 316 is provided with shaft hole, and the shaft hole is engaged with first rotating shaft 26, and first rotating shaft 26 is inserted in
In shaft hole;Or, first connecting portion 316 is cylindric with what first rotating shaft 26 matched, and the first rotating shaft 26 can be arranged
In first connecting portion 316.Two ways, as long as first fixed seat 31 plays fixed guide i.e. to first rotating shaft 26
Can.
Refer to shown in Fig. 8 and Fig. 9, the second fixed seat 36 is provided with the second connector 362, back-moving spring 364, push button element
366 and actuator, wherein, the second connector 362 is connected with actuator, actuator be fixedly installed in the second fixed seat 36 and
Actuator is used to drive the second connector 362 to rotate, and the second connector 362 drives fixture 20 to rotate, and fixture 20 drives black
Blackboard eraser body 10 is rotated, so as to adjust the extruding force between erasing portion 13 and blackboard.
Back-moving spring 364 is arranged in the second fixed seat 36 and for coordinating the second connector 362 to tear open with push button element 366
Fixture 20 is unloaded, such that it is able to change fixture 20, concrete structure and annexation is described in detail below.
Refer to shown in Figure 10, one end of the second connector 362 is provided with symmetrical the first draw-in groove 3624 and the second draw-in groove
3626, accordingly, the first connector 283 includes the first half 2835 and the second half 2837, the first half 2835 and the second half
Part 2837 is symmetrical to be arranged in the second rotating shaft 28, the first half 2835 can with the Access Division clamping of the first draw-in groove 3624, together
When, the second half 2837 can be with the Access Division clamping of the second draw-in groove 3626, so as to by the second connector 362 and the first connector
283 clampings.
Wherein, the first draw-in groove 3624 is identical with the shape of the second draw-in groove 3626, is the U-type groove of one end open, U-type groove it is another
One end is Access Division, and during installation, the first connector 283 enters U-type groove from opening, in back-moving spring 364 and push button element 366
It is connected at Access Division under effect.
Back-moving spring 364 is embedded inside the second fixed seat 36, and push button element 366 is arranged in the second fixed seat 36 and is provided with
One end of the supporting part 368 of the second rotating shaft 28, back-moving spring 364 can be supported to be abutted with push button element 366, supporting part 368 can
It is connected to the second rotating shaft 28.
During use state after mounting, supporting part 368 is connected to the second rotating shaft 28, one end of push button element 366 with reset
Spring 364 is abutted;When dismounting fixture 20 is needed, push button element 366 is pressed, the compression reseting spring 364 of push button element 366 is then propped up
Support part 368 is separated with the second rotating shaft 28, and the second rotating shaft 28 can be skidded off so as to dismounting and change under the effect of itself center of gravity from Access Division.
In a word, back-moving spring 364 have the first state that abuts the second rotating shaft 28 of supporting part 368 and supporting part 368 with
The second state that second rotating shaft 28 is separate, so that, when needing dismounting fixture 20 to be changed, it is necessary to press push button element 366,
When mounted, it is also desirable to first press push button element 366, after the second rotating shaft 28 is installed into the Access Division of U-type groove, release button part
366, you can fixture 20 is fixed with fixed seat 30.
Actuator is power source, and in embodiments of the invention 1, optionally, power source is motor, battery etc., this
Place does not require.
In sum, fixed seat 30 can be fixedly installed between the base plate 56 of Sliding blackboard 52 and top board 54, certainly, such as
Really the environment-friendly dust-proof eraser 100 is horizontally set at when on blackboard, and fixed seat 30 can then be fixedly installed on the left side of Sliding blackboard 52
Between plate and right plate, specific fixed form is not limited, and only the guaranteed environment-friendly dust-proof eraser 100 is maintained static, by black
Plate it is upper and lower, horizontally slip so as to by blackboard writing erasing.
The environment-friendly dust-proof eraser 100 that embodiments of the invention 1 are provided has an advantageous effect in that:
First, blackboard eraser is maintained static, and by the slip of blackboard come erasing out handwriting, the slip of blackboard can use electric sliding
It is dynamic, then manual wipping dust is not needed, and efficiency high is wiped, and the quality time of teacher's teaching has been saved, improve efficiency of teaching.
2nd, there is dust guide groove 14 in blackboard eraser body 10, be conducive to dust to fall into ash collecting box, Bu Huiyin along dust guide groove 14
Dust from flying is played, so as to reduce dust harzard, the probability of happening of the occupational disease caused by long-term suction dust is greatly reduced.
3rd, the blackboard eraser body 10 and fixture 20 of demountable structure, simple structure, it is easy to which cleaning is changed.
Embodiment 2
The embodiment of the present invention 2 provides a kind of blackboard component 50 of application environment-friendly dust-proof eraser 100, refer to Figure 11 institutes
Show, the blackboard component 50 includes the environment-friendly dust-proof eraser of at least two pieces Sliding blackboards of position-adjustable 52 and above-described embodiment 1
100。
The Sliding blackboard 52 is provided with corresponding top board 54 and base plate 56, and the fixed seat 30 of the environment-friendly dust-proof eraser 100 is fixed
It is arranged between top board 54 and base plate 56, and the first fixed seat 31 is fixedly installed on top board 54, the second fixed seat 36 is arranged at bottom
On plate 56, the environment-friendly dust-proof eraser 100 can be rotated so as to adjust the extruding force between blackboard eraser body 10 and blackboard.
Another way, blackboard is provided with corresponding left plate and right plate, and the fixed seat 30 of the environment-friendly dust-proof eraser 100 sets
It is placed between left plate and right plate, wherein, the first fixed seat 31 is fixedly installed on left plate, and the second fixed seat 36 is arranged at the right side
Side plate, equally, the environment-friendly dust-proof eraser 100 can be rotated so as to adjust the extruding force between blackboard eraser body 10 and blackboard.
The blackboard component 50 that embodiments of the invention 2 are provided has an advantageous effect in that:Simple structure, it is reasonable in design, subtract
Lacked the burden that teachers and students erase the board, saved instructional blocks of time, and erase the board will not cause airborne dust, reduce dust harzard, be conducive to
The health of teachers and students, environmental protection and practicality.
It should be noted that in the case where not conflicting, the feature in embodiment in the present invention can be combined with each other.
The preferred embodiments of the present invention are the foregoing is only, is not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of environment-friendly dust-proof eraser, for being used cooperatively with Sliding blackboard or push-and-pull blackboard, it is characterised in that including blackboard eraser
Body, fixture and fixed seat;
The blackboard eraser body is detachably arranged in the fixture, and the fixture is connected with the fixed seat;
The fixed seat can be fixedly installed in the fixed plate of the Sliding blackboard and can adjust the blackboard eraser body with
Extruding force between the blackboard.
2. environment-friendly dust-proof eraser according to claim 1, it is characterised in that the fixture includes fixed body and is arranged at
The first rotating shaft at the fixed body two ends and the second rotating shaft, the first rotating shaft and second rotating shaft are coaxially disposed;
The fixed body to be offered and be embedded groove along what the length direction of the fixed body ran through;
The blackboard eraser body is provided with erasing portion and can be embedded the connecting portion that groove matches with described, and the connecting portion is removable
That unloads is arranged at described being embedded in groove.
3. environment-friendly dust-proof eraser according to claim 2, it is characterised in that the groove that is embedded for T-slot, the blackboard eraser sheet
Body is sponge.
4. environment-friendly dust-proof eraser according to claim 2, it is characterised in that the erasing portion away from the one of the connecting portion
Side offers at least one dust guide groove, and the dust guide groove is set along the length direction of the blackboard eraser body.
5. the environment-friendly dust-proof eraser according to claim 2-4 any one, it is characterised in that the cross section of the fixed body
Including big end and small end, the first rotating shaft and second rotating shaft may be contained within the small end, and the groove that is embedded sets
The big end is placed in, the fixed body can drive the blackboard eraser body around the first rotating shaft and second rotating shaft
Rotate.
6. environment-friendly dust-proof eraser according to claim 5, it is characterised in that the fixed seat includes the first fixed seat and second
Fixed seat, first fixed seat is rotated with the first rotating shaft and is connected, and second fixed seat is removable with second rotating shaft
Unload connection;
First fixed seat is used to be fixed on the top board of the fixed plate, and second fixed seat is used to be arranged on the fixation
The base plate of plate;
Second rotating shaft is provided with the first connector, and the axis of first connector is basic with the axis of second rotating shaft
Vertically;
Second fixed seat is provided with the second connector, and second connector is used for and the first connector clamping.
7. environment-friendly dust-proof eraser according to claim 6, it is characterised in that one end of second connector is provided with symmetrically
The first draw-in groove and the second draw-in groove, first draw-in groove and second draw-in groove are provided with Access Division, first connector
The first half and the second half including being symmetricly set in second rotating shaft, first half can be with first draw-in grooves
The Access Division clamping, meanwhile, second half can be with the Access Division clamping of second draw-in groove.
8. environment-friendly dust-proof eraser according to claim 7, it is characterised in that second fixed seat is additionally provided with back-moving spring
And push button element, the back-moving spring is embedded inside second fixed seat, and the push button element is arranged in second fixed seat
And it is provided with supporting the supporting part of second rotating shaft, one end of the back-moving spring abuts with the push button element;
The back-moving spring have the first state that the supporting part abuts second rotating shaft and the supporting part with it is described
The second state that second rotating shaft is separate.
9. environment-friendly dust-proof eraser according to claim 6, it is characterised in that second fixed seat is additionally provided with actuator,
The actuator is fixedly installed on inside second fixed seat, and the actuator is connected and for driving with second connector
Dynamic second connector is rotated.
10. a kind of blackboard component of the application environment-friendly dust-proof eraser, it is characterised in that including at least two pieces positions it is adjustable slide it is black
Environment-friendly dust-proof eraser described in plate and claim 1-9 any one;
The Sliding blackboard includes top board and base plate, and the environment-friendly dust-proof eraser is fixedly installed between the top board and the base plate
And the blackboard eraser body can be set towards the Sliding blackboard, the fixed seat can adjust the blackboard eraser body and institute
State the extruding force between Sliding blackboard.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710260367.0A CN106926621B (en) | 2017-04-20 | 2017-04-20 | Environment friendly blackboard scrape along applies the blackboard component of the environment-friendly dust-proof eraser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710260367.0A CN106926621B (en) | 2017-04-20 | 2017-04-20 | Environment friendly blackboard scrape along applies the blackboard component of the environment-friendly dust-proof eraser |
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CN106926621A true CN106926621A (en) | 2017-07-07 |
CN106926621B CN106926621B (en) | 2018-09-25 |
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CN207120595U (en) * | 2017-04-20 | 2018-03-20 | 武汉轻工大学 | Environment friendly blackboard scrape along applies the blackboard component of the environment-friendly dust-proof eraser |
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JP2014030970A (en) * | 2012-08-03 | 2014-02-20 | Osm:Kk | Magnet screen device |
CN203172297U (en) * | 2013-01-31 | 2013-09-04 | 冯凯 | Replaceable blackboard eraser |
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CN203792988U (en) * | 2014-04-28 | 2014-08-27 | 新疆大学 | Rolling-wiping electric blackboard device |
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CN204977994U (en) * | 2015-08-24 | 2016-01-20 | 铁岭师范高等专科学校 | Vertical retort type blackboard eraser |
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CN106274199A (en) * | 2016-11-16 | 2017-01-04 | 东莞职业技术学院 | A kind of automatic erasing device for blackboard |
CN207120595U (en) * | 2017-04-20 | 2018-03-20 | 武汉轻工大学 | Environment friendly blackboard scrape along applies the blackboard component of the environment-friendly dust-proof eraser |
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