CN207045009U - A kind of electric dust-proof blackboard eraser - Google Patents
A kind of electric dust-proof blackboard eraser Download PDFInfo
- Publication number
- CN207045009U CN207045009U CN201720472035.4U CN201720472035U CN207045009U CN 207045009 U CN207045009 U CN 207045009U CN 201720472035 U CN201720472035 U CN 201720472035U CN 207045009 U CN207045009 U CN 207045009U
- Authority
- CN
- China
- Prior art keywords
- housing
- dust
- collecting box
- blackboard
- bristle
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of electric dust-proof blackboard eraser, teaching aid technical field is related generally to.Including housing, quadrangular frustum pyramid shaped cavity is provided with the housing, two support shafts are provided with quadrangular frustum pyramid shaped cavity, synchronous pulley is equipped with two support shafts, two synchronous pulleys are connected by toothed belt transmission, the outside of the timing belt is provided with several supporting plates, the supporting plate is provided with bristle, the bottom of the housing is provided with the first opening being adapted with bristle, the downside of first opening is provided with telescoping tube, one end of telescoping tube is provided with several balls, the downside of the housing is provided with dust collecting box, the bottom of the dust collecting box is provided with funnel, the bottom of the funnel is provided with dust bag.The beneficial effects of the utility model are:It quickly can be purged to the word on blackboard, it is possible to increase the efficiency of erasing of word on blackboard, can reduce the diffusion of dust in erase process, can reduce damage of the dust to teachers and students' health.
Description
Technical field
Teaching aid technical field is the utility model is related to, specifically a kind of electric dust-proof blackboard eraser.
Background technology
Blackboard eraser be teacher during classroom instruction commonly use aided education apparatus, traditional blackboard eraser when in use,
Teacher or student is needed firmly to brandish blackboard eraser and be purged to the word on blackboard, when the content of writing on the blackboard is more on blackboard
When, it is necessary to teacher or student are repeatedly wiped blackboard, easily cause the wrist portion of teacher or student tired, efficiency of erasing
It is low, and substantial amounts of dust can be produced in erase process, influence the health of teachers and students.
Utility model content
The purpose of this utility model is to provide a kind of electric dust-proof blackboard eraser, and it can be quickly to the word on blackboard
It is purged, it is possible to increase the efficiency of erasing of word on blackboard, the diffusion of dust in erase process can be reduced, powder can be reduced
Damage of the dirt to teachers and students' health.
The utility model to achieve the above object, is achieved through the following technical solutions:
A kind of electric dust-proof blackboard eraser, including housing, the housing is interior to be provided with quadrangular frustum pyramid shaped cavity, the quadrangular frustum pyramid shaped chamber
Two support shafts are provided with vivo, the support shaft is connected with housing into rotation, and one end of one of them support shaft is provided with driving
Motor, the motor are threadedly coupled with housing, and synchronous pulley, two timing belts are equipped with two support shafts
Wheel is connected by toothed belt transmission, and the outside of the timing belt is provided with several supporting plates, and the supporting plate is provided with bristle, institute
The bottom for stating housing is provided with the first opening being adapted with bristle, and the top of the housing is provided with handle, first opening
Downside is provided with telescoping tube, and the one end of the telescoping tube away from housing is provided with several balls, and the downside of the housing is provided with dust
Collecting box, the top of the dust collecting box are provided with the second opening being adapted with housing, and the housing is lived with dust collecting box
Dynamic to connect, the top in the dust collecting box is provided with the ash-removing plate being adapted with bristle, and the bottom of the dust collecting box is set
There is leakage, the bottom of the funnel is provided with dust bag, and the dust bag is detachably connected with funnel.
The handle is provided with electric machine controller.
Second opening is provided with the sealing gasket being adapted with housing.
The supporting plate is detachably connected by screw and timing belt.
The outer wall of the bottom of the funnel is provided with groove, and the band being adapted with dust bag is provided with the groove.
Prior art is contrasted, the beneficial effects of the utility model are:
1st, motor of the present utility model can drive support shaft to rotate, and the bristle on timing belt can be driven to move,
Hand-held handle, housing is buckled on blackboard and presses housing so that telescoping tube shrinks, bristle can be made to be in close contact with blackboard, stretched
The draw can seal to the space between bristle and blackboard, can reduce the diffusion of dust, and starting motor can be right
Word on blackboard is wiped, and caused dust falls on the edge of quadrangular frustum pyramid shaped cavity in erase process, can be easy to dust
Collection, telescoping tube contacted with blackboard by ball, can reduce the friction between housing and blackboard, can be easy to user's hand
Hold housing to slide on blackboard, after the word erasing on blackboard, close motor, housing is put into dust collecting box
Second opening, the dust in quadrangular frustum pyramid shaped cavity are fallen into dust collecting box, are started motor, can be driven on timing belt
Bristle collision ash-removing plate, the dust on bristle can be cleared up, the dust fallen into dust collecting box is fallen into through funnel
In dust bag, can be easy to blackboard eraser remove during caused dust collection, can quickly on blackboard word carry out
Remove, it is possible to increase the efficiency of erasing of word on blackboard, the diffusion of dust in erase process can be reduced, dust pair can be reduced
The damage of teachers and students' health.
2nd, handle of the present utility model is provided with electric machine controller, and electric machine controller is arranged on handle, can be easy to hand
Motor is controlled simultaneously when holding handle, use of the present utility model can be easy to.
3rd, the second opening of the present utility model is provided with the sealing gasket being adapted with housing, can ensure that housing is received with dust
Sealing between header, when can avoid clearing up the dust on bristle, the outside of dust recycling to dust collecting box.
4th, supporting plate of the present utility model is detachably connected by screw and timing belt, can be easy to replace bristle
Change, maintenance of the present utility model can be easy to.
5th, the outer wall of the bottom of funnel of the present utility model is provided with groove, is provided with the groove and is adapted with dust bag
Band, dust bag can be firmly fixed to the bottom of funnel, can be easy to the dismounting of dust bag by band, can be easy to powder
The processing of dirt.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is the structural representation of housing.
Label in accompanying drawing:1st, housing;2nd, quadrangular frustum pyramid shaped cavity;3rd, support shaft;4th, motor;5th, synchronous pulley;6th, it is same
Walk band;7th, supporting plate;8th, bristle;9th, handle;10th, telescoping tube;11st, ball;12nd, dust collecting box;13rd, ash-removing plate;14th, leak
Bucket;15th, dust bag;16th, electric machine controller;17th, band.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please limited range.
Described in the utility model is a kind of electric dust-proof blackboard eraser, including housing 1, and quadrangular frustum pyramid shaped is provided with the housing 1
Cavity 2, the edge of quadrangular frustum pyramid shaped cavity 2 can store dust.Two support shafts 3 are provided with the quadrangular frustum pyramid shaped cavity 2, it is described
Support shaft 3 is rotatablely connected with housing 1, and one end of one of them support shaft 3 is provided with motor 4, the motor 4 with
Housing 1 is threadedly coupled, and synchronous pulley 5 is equipped with two support shafts 3, and two synchronous pulleys 5 are passed by timing belt 6
Dynamic connection, the outside of the timing belt 6 are provided with several supporting plates 7, and the supporting plate 7 is provided with bristle 8, the housing 1
Bottom is provided with the first opening being adapted with bristle 8, and bristle 8 stretches out housing 1 through the first opening.Motor 4 can drive branch
Support axle 3 is rotated, and the bristle 8 on timing belt 6 can be driven to move.The top of the housing 1 is provided with handle 9, first opening
Downside be provided with telescoping tube 10, the described one end of telescoping tube 10 away from housing 1 is provided with several balls 11.User holds handle
9, housing 1 is buckled on blackboard and presses housing 1 so that telescoping tube 10 shrinks, bristle 8 can be made to be in close contact with blackboard, is stretched
Pipe 10 can seal to the space between bristle 8 and blackboard, can reduce the diffusion of dust, and starting motor 4 can
Word on blackboard is wiped, caused dust falls on the edge of quadrangular frustum pyramid shaped cavity 2 in erase process, can be easy to powder
The collection of dirt, telescoping tube 10 are contacted by ball 11 with blackboard, can reduce the friction between housing 1 and blackboard, can be easy to
User holds housing 1 and slided on blackboard.The downside of the housing 1 is provided with dust collecting box 12, and dust collecting box 12 is used for
Dust in assembling supporting member 1.The top of the dust collecting box 12 is provided with the second opening being adapted with housing 1, the housing 1
It is flexibly connected with dust collecting box 12, the top in the dust collecting box 12 is provided with the ash-removing plate 13 being adapted with bristle 8, institute
The bottom for stating dust collecting box 12 is provided with funnel 14, and the bottom of the funnel 14 is provided with dust bag 15, the dust bag 15 and leakage
Bucket 14 is detachably connected, and after the word erasing on blackboard, closes motor 4, housing 1 is put into dust collecting box 12
Second opening, the dust in quadrangular frustum pyramid shaped cavity 2 are fallen into dust collecting box 1, are started motor 4, can be driven synchronization
Ash-removing plate 13 is collided with the bristle 8 on 6, the dust on bristle 8 can be cleared up, the dust fallen into dust collecting box 12
Fallen into through funnel 14 in dust bag 15, can be easy to blackboard eraser remove during caused dust collection, can be quickly to black
Word on plate is purged, it is possible to increase the efficiency of erasing of word on blackboard, the diffusion of dust in erase process can be reduced,
Damage of the dust to teachers and students' health can be reduced.
For the ease of use of the present utility model, the handle 9 is provided with electric machine controller 16, can be easy to hand-held handle
Motor 4 is controlled simultaneously when 9, use of the present utility model can be easy to.
In order to avoid the outside of dust recycling to dust collecting box, second opening is provided with what is be adapted with housing 1
Sealing gasket, the sealing between housing 1 and dust collecting box 12 can be ensured, when can avoid clearing up the dust on bristle, powder
Dirt is diffused into the outside of dust collecting box.
For the ease of maintenance of the present utility model, the supporting plate 7 is detachably connected by screw and timing belt 6, can
It is easy to be replaced bristle 8, maintenance of the present utility model can be easy to.
For the ease of the processing of dust, the outer wall of the bottom of the funnel 14 is provided with groove, be provided with the groove with
Dust bag 15 can be firmly fixed to the bottom of funnel, can be easy to collect by the adaptable band 17 of dust bag 15, band 17
The dismounting of dirt bag 15, the processing of dust can be easy to.
Embodiment:Described in the utility model is a kind of electric dust-proof blackboard eraser, including housing 1, and four are provided with the housing 1
Prism-frustum-shaped cavity 2, the edge of quadrangular frustum pyramid shaped cavity 2 can store dust.Two support shafts are provided with the quadrangular frustum pyramid shaped cavity 2
3, the support shaft 3 is rotatablely connected by bearing and housing 1, and one end of one of them support shaft 3 is provided with motor 4,
It is bolted between the motor 4 and housing 1, the output shaft of motor 4 passes through shaft coupling and one of branch
Support axle 3 is connected, and synchronous pulley 5 is mounted in two support shafts 3, support shaft 3, which rotates, can drive synchronous pulley 5
Rotating, two synchronous pulleys 5 are connected by timing belt 6, and the outside of the timing belt 6 is provided with several supporting plates 7,
Supporting plate 7 is connected by screw with timing belt 6, can be easy to be replaced bristle 8, can be easy to dimension of the present utility model
Shield.The supporting plate 7 is provided with bristle 8, and the bottom of the housing 1 is provided with the first opening being adapted with bristle 8, and bristle 8 passes through
First opening stretches out housing 1.Motor 4 can drive support shaft 3 to rotate, and the bristle 8 on timing belt 6 can be driven to move.
The top of the housing 1 is provided with handle 9, and electric machine controller 16 is provided with the handle 9, and electric machine controller 16, which is used to control, to be driven
The start and stop of dynamic motor 4, can be easy to during hand-held handle 9 while motor 4 is controlled, can be easy to of the present utility model
Use.The downside of first opening is provided with telescoping tube 10, and the described one end of telescoping tube 10 away from housing 1 is inlaid with several rollings
Pearl 11.Housing 1 is buckled on blackboard and presses housing 1 so that telescoping tube 10 shrinks in use, hand-held handle 9 by user, can
Bristle 8 is set to be in close contact with blackboard, telescoping tube 10 can seal to the space between bristle 8 and blackboard, can reduce powder
The diffusion of dirt, starting motor 4 can wipe the word on blackboard, and caused dust falls on four ribs in erase process
The edge of mesa-shaped cavity 2, the collection of dust can be easy to, telescoping tube 10 is contacted by ball 11 with blackboard, can reduce housing 1
Friction between blackboard, user can be easy to hold housing 1 and slided on blackboard.The downside of the housing 1 is provided with dust
Collecting box 12, the dust that dust collecting box 12 is used in assembling supporting member 1.The top of the dust collecting box 12 is provided with and housing 1
The second adaptable opening, the second opening are pasted with sealing gasket, and when can avoid clearing up the dust on bristle, dust recycling arrives
The outside of dust collecting box.The housing 1 is flexibly connected with dust collecting box 12, and housing 1 can take from dust collecting box 12
Under, the top in the dust collecting box 12 is provided with the ash-removing plate 13 being adapted with bristle 8, the bottom of the dust collecting box 12
Provided with funnel 14, the bottom of the funnel 14 is provided with dust bag 15, and the outer wall of the bottom of funnel 14 is provided with groove, the groove
Interior to be provided with the band 17 being adapted with dust bag 15, dust bag 15 can be firmly fixed to the bottom of funnel, energy by band 17
Enough it is easy to the dismounting of dust bag 15, the processing of dust can be easy to.After user is by the word erasing on blackboard, closes and drive
Dynamic motor 4, housing 1 is put into the second opening of dust collecting box 12, and the dust in quadrangular frustum pyramid shaped cavity 2 falls into dust collection
In case 1, start motor 4, the bristle 8 on timing belt 6 can be driven to collide ash-removing plate 13, can be to the dust on bristle 8
Cleared up, the dust fallen into dust collecting box 12 is fallen into dust bag 15 through funnel 14, can be easy to blackboard erase process
In caused dust collection, quickly the word on blackboard can be purged, it is possible to increase the erasing of word on blackboard
Efficiency, the diffusion of dust in erase process can be reduced, damage of the dust to teachers and students' health can be reduced.
Claims (5)
1. a kind of electric dust-proof blackboard eraser, including housing (1), it is characterized in that:Quadrangular frustum pyramid shaped cavity is provided with the housing (1)
(2) two support shafts (3), are provided with the quadrangular frustum pyramid shaped cavity (2), the support shaft (3) is rotatablely connected with housing (1), its
In one end of a support shaft (3) be provided with motor (4), the motor (4) is threadedly coupled with housing (1), two
Synchronous pulley (5) is equipped with the individual support shaft (3), two synchronous pulleys (5) are connected by timing belt (6),
The outside of the timing belt (6) is provided with several supporting plates (7), and the supporting plate (7) is provided with bristle (8), the housing (1)
Bottom be provided with the first opening being adapted with bristle (8), the top of the housing (1) is provided with handle (9), and described first is open
Downside be provided with telescoping tube (10), the one end of the telescoping tube (10) away from housing (1) is provided with several balls (11), the shell
The downside of body (1) is provided with dust collecting box (12), and the top of the dust collecting box (12) is provided with the be adapted with housing (1)
Two openings, the housing (1) are flexibly connected with dust collecting box (12), and the top in the dust collecting box (12) is provided with and brush
The adaptable ash-removing plate (13) of hair (8), the bottom of the dust collecting box (12) is provided with funnel (14), the bottom of the funnel (14)
Portion is provided with dust bag (15), and the dust bag (15) is detachably connected with funnel (14).
2. a kind of electric dust-proof blackboard eraser according to claim 1, it is characterized in that:The handle (9) is provided with motor control
Device (16) processed.
3. a kind of electric dust-proof blackboard eraser according to claim 1, it is characterized in that:Second opening is provided with and housing
(1) adaptable sealing gasket.
4. a kind of electric dust-proof blackboard eraser according to claim 1, it is characterized in that:The supporting plate (7) by screw with
Timing belt (6) is detachably connected.
5. a kind of electric dust-proof blackboard eraser according to claim 1, it is characterized in that:The outer wall of the bottom of the funnel (14)
Groove is provided with, the band (17) being adapted with dust bag (15) is provided with the groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720472035.4U CN207045009U (en) | 2017-04-28 | 2017-04-28 | A kind of electric dust-proof blackboard eraser |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720472035.4U CN207045009U (en) | 2017-04-28 | 2017-04-28 | A kind of electric dust-proof blackboard eraser |
Publications (1)
Publication Number | Publication Date |
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CN207045009U true CN207045009U (en) | 2018-02-27 |
Family
ID=61488974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201720472035.4U Expired - Fee Related CN207045009U (en) | 2017-04-28 | 2017-04-28 | A kind of electric dust-proof blackboard eraser |
Country Status (1)
Country | Link |
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CN (1) | CN207045009U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108437667A (en) * | 2018-03-30 | 2018-08-24 | 芜湖众维教研仪器研发有限责任公司 | A kind of multifunctional blackboard eraser dust-extraction unit |
CN112192978A (en) * | 2020-10-28 | 2021-01-08 | 张亚斌 | Blackboard eraser capable of being overturned for quick and repeated use |
-
2017
- 2017-04-28 CN CN201720472035.4U patent/CN207045009U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108437667A (en) * | 2018-03-30 | 2018-08-24 | 芜湖众维教研仪器研发有限责任公司 | A kind of multifunctional blackboard eraser dust-extraction unit |
CN112192978A (en) * | 2020-10-28 | 2021-01-08 | 张亚斌 | Blackboard eraser capable of being overturned for quick and repeated use |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20190428 |