CN209719074U - A kind of dust absorption blackboard eraser - Google Patents
A kind of dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN209719074U CN209719074U CN201821713127.8U CN201821713127U CN209719074U CN 209719074 U CN209719074 U CN 209719074U CN 201821713127 U CN201821713127 U CN 201821713127U CN 209719074 U CN209719074 U CN 209719074U
- Authority
- CN
- China
- Prior art keywords
- hair brush
- brush base
- shell
- dust absorption
- shaft
- 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
Landscapes
- Brushes (AREA)
Abstract
This application discloses a kind of dust absorption blackboard eraser of technical field of teaching apparatus, including shell and hair brush base, the hair brush base is equipped with bristle, the hair brush base is equipped with several air suction openings, it is rotatably connected to shaft on the hair brush base, friction pulley is fixedly connected in shaft, friction pulley runs through hair brush base；The interior of shell is rotatably connected to worm screw, and driving belt is socketed between the worm screw and shaft, and turbine is engaged on the worm screw, and the centre bore of the turbine is fixedly connected with transmission shaft, and transmission shaft is fixedly connected with dust absorption fan far from one end of turbine.This programme is worked using the dust suction that mechanical energy completes dust absorption fan, for electric dust-cleaning blackboard sassafras compared to the prior art, has saved the energy.
Description
Technical field
The utility model relates to technical field of teaching apparatus, and in particular to a kind of dust-suction blackboard eraser.
Background technique
Be when class-teaching of teacher using chalk can leave one layer of chalk on blackboard and consider to be worth doing.In the process cleared up with blackboard eraser
In, these chalks can be considered to be worth doing and be diffused into air, injury is brought to the body of the Faculty and Students to attend class, in addition air is also produced
Certain pollution is given birth to.In order to solve the problems, such as that chalk dust is flown upward everywhere, occur the blackboard eraser of electric suction at present, but
It is that structure is complicated, also needs to use battery as power, structure is complicated for such blackboard eraser, and it is at high cost, and noise is big when use, rapid wear
Bad, consumption electric energy is more.
Utility model content
The utility model is intended to provide a kind of dust-suction blackboard eraser, more to solve existing dust-suction blackboard eraser consumption electric energy
Technical problem.
To solve the above-mentioned problems, the utility model provides following scheme: a kind of dust-suction blackboard eraser, including shell and bristle
Seat, the hair brush base are equipped with bristle, and the hair brush base is equipped with several air suction openings, is rotatably connected to and turns on the hair brush base
Axis, friction pulley is fixedly connected in shaft, and friction pulley runs through hair brush base；The interior of shell is rotatably connected to worm screw, the snail
It is socketed with driving belt between bar and shaft, turbine is engaged on the worm screw, the centre bore of the turbine is fixedly connected with biography
Moving axis, transmission shaft are fixedly connected with dust absorption fan far from one end of turbine；Fixed plate, the fixed plate are additionally provided in the shell
It is equipped with limit hole, the limit hole is socketed on transmission shaft；Filter screen is additionally provided in the shell, the filter screen is located at brush
Between hair seat and dust absorption fan, the shell is equipped with discharge port and venthole, and the discharge port is located at hair brush base and filter screen
Between, discharge port is removably connected with sealing cover, and sealing cover is located at the side in shell equipped with several dust suction sticks, the outlet
Hole is located at the shell side opposite with hair brush base.
The working principle of this programme: using in the present solution, controlling the movement side to erase the board according to the direction of motion of friction pulley
To, when erasing the board, friction pulley rolls on blackboard, drives shaft rotation, worm screw rotation is then driven by driving belt, due to
Worm screw is engaged with turbine, so turbine is rotated also with worm screw, but worm movement direction is converted into another direction, turbine
On transmission shaft follow turbine rotation, driven the movement of dust absorption fan, at this moment, due to transmission shaft pass through fixed plate in limit
Hole, limit hole limit the deflection of transmission shaft, also avoid deflecting when dust absorption fan rotation, generate after dust absorption fan movement
Centrifugal force generates attraction to the air in hair brush base direction, so the chalk dust under bristle brush is under the action of the attraction
It flies into shell, is then attracted on dust suction stick, then the air after filter screen filtration is discharged from venthole, avoids
The case where air blow back makes chalk dust be blown to blackboard again, when stopping erasing the board, dust absorption fan also stops therewith, opens sealing
Lid, can clear up the chalk dust on dust suction stick.
This programme the utility model has the advantages that when the blackboard eraser of this programme erases the board, by shaft, driving belt, worm screw, turbine,
The mechanical energy that friction pulley rotates is passed to dust absorption fan, provides the required energy of dust absorption fan rotation by the transmitting of transmission shaft
Amount, dust absorption fan rotation generate centrifugal force, guide cross-ventilation, can be by chalk dust from the air suction opening on hair brush base outside inspiration
In shell, the electric energy without providing additional rotates dust absorption fan, i.e. energy saving and environmentally friendly compared to existing technologies.
Further, the outer wall of the shell side opposite with hair brush base is equipped with index line, and the index line is used for table
Show the direction of motion of friction pulley.The direction to erase the board is changed according to the direction of index line convenient for teacher or student.
Further, the lateral wall of the shell is equipped with anti-skid chequer.Teacher or student may perspire on hand when summer, hand
It may skid when holding blackboard eraser, so setting anti-skid chequer avoids the case where skidding.
Further, it is all provided between the shaft and hair brush base, between worm screw and shell and between transmission shaft and limit hole
There is ball bearing.Due to what is be subject between shaft and hair brush base, between worm screw and shell, when being rotated between transmission shaft and limit hole
Frictional force, in this way setting are avoided that the unnecessary consumption for being led to energy by friction effects, are also avoided that shaft, hair brush base, snail
Bar, shell, transmission shaft and fixed plate are damaged, and increase the service life of blackboard eraser.
Further, the dust suction stick is using wet cotton rod.It can be by adsorbing powder dust in cotton using wet cotton rod
On hedysarum scoparium, it is convenient to clean.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of dust removing blackboard sassafras of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the right view of Fig. 1.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes: shell 1, hair brush base 2, bristle 3, friction pulley 4, ball bearing 5, shaft
6, air suction opening 7, dust suction stick 8, sealing cover 9, filter screen 10, driving belt 11, worm screw 12, venthole 13, dust absorption fan 14, transmission
Axis 15, turbine 16, fixed plate 17, index line 18.
Embodiment is basic as shown in attached drawing 1, Fig. 2: a kind of dust-suction blackboard eraser, including shell 1 and hair brush base 2, hair brush base 2
Outer surface be equipped with bristle 3, hair brush base 2 is equipped with several air suction openings 7, and the inside of hair brush base 2 is connected by the rotation of ball bearing 5
Two shafts 6 are connected to, a friction pulley 4 is respectively and fixedly provided in every shaft 6, friction pulley 4 runs through hair brush base 2, the position of friction pulley 4
It is generally aligned in the same plane in the end in farthest point and bristle 3 outside hair brush base 2；It is rotatably connected to inside shell 1 by ball bearing 5
A piece worm screw 12, is socketed with driving belt 11 between worm screw 12 and shaft 6, hair brush base 2 is equipped with to be passed through for driving belt 11
Through-hole, the middle part of worm screw 12 are engaged with a turbine 16, and the centre bore of turbine 16 is fixedly connected with transmission shaft 15, transmission shaft 15
One end far from turbine 16 is equipped with dust absorption fan 14；Fixed plate 17 is additionally provided in shell 1, fixed plate 17 is equipped with limit hole, limit
Position is also fixed with ball bearing 5 in hole, and the centre bore of ball bearing 5 is fixedly connected with transmission shaft 15；Filtering is additionally provided in shell 1
Net 10, filter screen 10 also are provided with making the logical of the process of driving belt 11 on filter screen 10 between hair brush base 2 and dust absorption fan 14
Hole, the shell 1 between hair brush base 2 and filter screen 10 are equipped with discharge port, and discharge port is removably connected with sealing cover 9, sealing cover 9
Side in shell 1 is equipped with several dust suction sticks 8, and dust suction stick 8 is using wet cotton rod；Shell 1 and hair brush base 2 are opposite
Side be additionally provided with several ventholes 13, the lateral wall of shell 1 is equipped with anti-skid chequer.
As shown in figure 3, being additionally provided with index line 18 on the outer wall of the side opposite with hair brush base 2 of shell 1, index line 18 is used for
Indicate the direction of motion of friction pulley 4.
The blackboard eraser of this programme when in use, the direction of motion to erase the board is controlled according to the direction of motion of friction pulley 4, is blacked
When plate, friction pulley 4 rolls on blackboard, and shaft 6 is driven to rotate, and then drives worm screw 12 to rotate by driving belt 11, due to
Worm screw 12 is engaged with turbine 16, so turbine 16 is rotated also with worm screw 12, but 12 direction of motion of worm screw is converted into another
A direction, the transmission shaft 15 on turbine 16 follow turbine 16 to rotate, have driven the movement of dust absorption fan 14, at this moment, due to transmission
Axis 15 passes through the limit hole in fixed plate 17, and limit hole limits the deflection of transmission shaft 15, also avoids the rotation of dust absorption fan 14
When deflect, dust absorption fan 14 generates centrifugal force after moving, i.e., attraction is generated to the air in 2 direction of hair brush base, so brush
Chalk dust under 3 brush of hair is flown into shell 1 under the action of the attraction, is then attracted on dust suction stick 8, through filter screen 10
Filtered air is discharged from venthole 13, avoids the case where air blow back makes chalk dust be blown to blackboard again, works as stopping
When erasing the board, dust absorption fan 14 also stops therewith, opens sealing cover 9, can clear up the chalk dust on dust suction stick 8.
Claims (4)
1. a kind of dust absorption blackboard eraser, including shell and hair brush base, the hair brush base is equipped with bristle, if the hair brush base is equipped with
Dry air suction opening is rotatably connected to shaft on the hair brush base, and friction pulley is fixedly connected in shaft, and friction pulley runs through hair brush base；
The interior of shell is rotatably connected to worm screw, and driving belt is socketed between the worm screw and shaft, is engaged on the worm screw
Turbine, the centre bore of the turbine are fixedly connected with transmission shaft, and transmission shaft is fixedly connected with dust absorption fan far from one end of turbine；
Fixed plate is additionally provided in the shell, the fixed plate is equipped with limit hole, and the limit hole is socketed on transmission shaft；It is described outer
Filter screen is additionally provided in shell, between hair brush base and dust absorption fan, the shell is equipped with discharge port and goes out the filter screen
Stomata, for the discharge port between hair brush base and filter screen, discharge port is removably connected with sealing cover, and sealing cover is located at shell
Interior side is equipped with several dust suction sticks, and the dust suction stick is located at shell and bristle using wet cotton rod, the venthole
The opposite side of seat.
2. a kind of dust absorption blackboard eraser according to claim 1, it is characterised in that: the shell side opposite with hair brush base
Outer wall be equipped with index line, the index line is used to indicate the direction of motion of friction pulley.
3. a kind of dust absorption blackboard eraser according to claim 2, it is characterised in that: the lateral wall of the shell is equipped with anti-skidding
Line.
4. a kind of dust absorption blackboard eraser according to claim 3, it is characterised in that: between the shaft and hair brush base, worm screw
Ball bearing is equipped between shell and between transmission shaft and limit hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713127.8U CN209719074U (en) | 2018-10-22 | 2018-10-22 | A kind of dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821713127.8U CN209719074U (en) | 2018-10-22 | 2018-10-22 | A kind of dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209719074U true CN209719074U (en) | 2019-12-03 |
Family
ID=68660165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821713127.8U Expired - Fee Related CN209719074U (en) | 2018-10-22 | 2018-10-22 | A kind of dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209719074U (en) |
-
2018
- 2018-10-22 CN CN201821713127.8U patent/CN209719074U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204222496U (en) | Automatic dust absorption chalkboard eraser | |
| CN204055093U (en) | Electric dust absorption blackboard eraser | |
| CN202293940U (en) | Remote-controlled blackboard eraser | |
| CN209719074U (en) | A kind of dust absorption blackboard eraser | |
| CN206416745U (en) | Electric eraser | |
| CN203666206U (en) | Band type automatic wiping dust-free blackboard | |
| CN201998703U (en) | Electrostatic dust absorption blackboard eraser | |
| CN204488331U (en) | A kind of dust-free black board eraser | |
| CN201816369U (en) | High-speed environmental-friendly blackboard eraser | |
| CN105856927A (en) | Dust collection erasing board and using method | |
| CN203210960U (en) | Rotating-roller type dust-collection eraser | |
| CN109228748A (en) | A kind of blackboard and its application method suitable for English teaching | |
| CN201538169U (en) | Blackboard eraser | |
| CN108068515A (en) | A kind of novel environment protection blackboard | |
| CN2133465Y (en) | Dust-catched eraser | |
| CN201432515Y (en) | Electric dust-free blackboard | |
| CN102120397A (en) | Blackboard | |
| CN2928535Y (en) | Dust-proof blackboard eraser | |
| CN201009607Y (en) | Intellectual electric chalk eraser | |
| CN204622948U (en) | A kind of Novel unpowered dust absorption blackboard eraser | |
| CN201580147U (en) | Electric dust collection blackboard | |
| CN205044369U (en) | Blackboard used for language teaching | |
| CN204870245U (en) | Teaching is with chalkboard eraser that can inhale chalk dust automatically | |
| CN211000674U (en) | Blackboard cleaning device | |
| CN203888481U (en) | Full-automatic blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20201022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |