CN208498079U - Environmentally friendly blackboard eraser - Google Patents
Environmentally friendly blackboard eraser Download PDFInfo
- Publication number
- CN208498079U CN208498079U CN201820717094.8U CN201820717094U CN208498079U CN 208498079 U CN208498079 U CN 208498079U CN 201820717094 U CN201820717094 U CN 201820717094U CN 208498079 U CN208498079 U CN 208498079U
- Authority
- CN
- China
- Prior art keywords
- box body
- shaft
- felt
- blackboard eraser
- environmentally friendly
- 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
- 230000001360 synchronised effect Effects 0.000 claims abstract description 39
- 239000000428 dust Substances 0.000 claims abstract description 31
- 238000004140 cleaning Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 19
- 230000005526 G1 to G0 transition Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of Environmentally friendly blackboard erasers, wherein, the Environmentally friendly blackboard eraser includes box body, shaft is provided in box body, box body is movably connected with shaft, and synchronous belt is fixedly installed in shaft, felt is fixedly installed on synchronous belt, felt can be rotated by synchronous belt with shaft, and tray interior is additionally provided with hairbrush, and hairbrush is in contact with felt；When the chalk dust on blackboard eraser needs to clear up, rotating shaft, felt starts to move, and hairbrush goes down the chalk dust cleaning on felt.The utility model structure is simple, easy to use, cleans out, convenient for the collection of chalk dust reliable, chalk dust will not be made to fly upward everywhere, effectively protect environmental sanitation, teacher and student is made all from the infringement of chalk dust, to improve efficiency of teaching.
Description
Technical field
The utility model relates to a kind of blackboard eraser more particularly to a kind of Environmentally friendly blackboard erasers.
Background technique
The various kinds of schools such as primary school, middle school and university, in teaching process, most common instructional mode is in teaching process
Teacher needs to be write on the blackboard with chalk, when not having space on blackboard or needing to modify, is wiped with blackboard eraser, convenient
Fast.
But in blackboard eraser in use, the tired chalk dust of area is more and more thereon, and then the wiping for influencing blackboard eraser is imitated
Fruit.Currently, the common method of chalk dust is that blackboard eraser is patted or scraped in corner etc. on cleaning blackboard eraser, lead to chalk dust four
Place is flown upward, and influences environmental sanitation, and then damage the health of teacher and student.
Utility model content
The utility model provides a kind of Environmentally friendly blackboard eraser, has and collects chalk dust, protects the function of environment.Particular technique side
Case is as follows:
A kind of Environmentally friendly blackboard eraser, wherein including box body, shaft is provided in box body, box body is movably connected with shaft, in shaft
It is fixedly installed synchronous belt, felt is fixedly installed on synchronous belt, felt can be rotated by synchronous belt with shaft, and tray interior is also
It is provided with hairbrush, hairbrush is in contact with felt；When the chalk dust on blackboard eraser needs to clear up, rotating shaft, felt starts to move,
Hairbrush goes down the chalk dust cleaning on felt.
Further, the first side of box body is provided with first through hole, and shaft is arranged in box body after passing through first through hole, turns
Setting is there are two driving wheel on axis, a first side close to box body, another second side close to box body, two actives
Wheel is all made of key connection with shaft.
Further, the second side of box body is provided with the second through-hole, and shaft is arranged close to one end of the second side of box body
There is threaded hole, screw passes through the second through-hole and connect with shaft.
Further, the first through hole on box body and shaft are clearance fit, the second side and box body of screw and box body
On the second through-hole be clearance fit, shaft can be rotated relative to box body.
Further, two fixing axles are provided on the inside of the inside of the first side of box body and second side, it is fixed
Axis is separately positioned on the two sides of shaft, and be slidingly connected a driven wheel respectively in every fixing axle；In the first side close to box body
Be arranged with a synchronous belt on the driving wheel in face and two driven wheels, close to box body second side driving wheel with it is driven
Another synchronous belt is arranged on wheel.
Further, one end of hairbrush is fixedly linked with box body inside bottom surface, the other end and felt contacts.
Further, hairbrush and felt are using interference fit.
Further, hairbrush is at least arranged one, and hairbrush is arranged in " S " type.
Further, further include collection powder box, integrate powder box as rectangle groove body, two sides are provided with buckle, are provided on box body
The hole matched with buckle, collection powder box are mutually clamped with box body.
Further, collection powder box is connected with the second side of box body, and strip hole, chalk dust are provided in the second side of box body
Enter collection powder box by strip hole.
The utility model Environmentally friendly blackboard eraser structure is simple, easy to use, cleans out, can for the collection convenience of chalk dust
It leans on, chalk dust will not be made to fly upward everywhere, effectively protect environmental sanitation, make teacher and student all from the infringement of chalk dust,
Improve efficiency of teaching.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model Environmentally friendly blackboard eraser；
Fig. 2 is the cross-sectional view 1 of the utility model Environmentally friendly blackboard eraser；
Fig. 3 is the cross-sectional view 2 of the utility model Environmentally friendly blackboard eraser；
Fig. 4 is the perspective view of the box body of the utility model Environmentally friendly blackboard eraser；
Fig. 5 is the perspective view of the collection powder box of the utility model Environmentally friendly blackboard eraser.
Specific embodiment
In order to be best understood from the purpose of this utility model, function and specific design scheme, with reference to the accompanying drawing, to this
A kind of Environmentally friendly blackboard eraser of utility model is described in further detail.
As shown in Figure 1, Figure 2 and Figure 3, the Environmentally friendly blackboard eraser of the utility model includes box body 1, felt 2 and shaft 4.Box body
1 is connected with shaft 4, and shaft 4 can be rotated relative to box body, and felt is fixedly linked with shaft 4 and felt 2 is accommodated in box body 1, when
When needing to clear up the chalk dust on felt 2, rotating shaft 4, shaft 4 can drive felt to rotate, and will not have 2 turns of chalk dust felt
It changes.
Specifically, the first side 11 of box body 1 is provided with first through hole 111 as shown in figure 4, box body 1 is cuboid, the
The inside of one side 11 is provided with the first fixing axle 112 and the second fixing axle 113, and corresponding second side 12 is also such
Setting.The upper surface of box body 1 is additionally provided with rectangular aperture 13, is fixedly installed at least one hairbrush 14 on the inside of lower surface.
Shaft 4 is multi-diameter shaft, and the one end being relatively large in diameter is handle 42, and the lesser one end of diameter is provided with threaded hole 41, is turned
Axis 4 is across the first through hole 111 of first side 11 and the threaded hole 41 in shaft 4 and the second through-hole 121 in second side 12
Alignment, is connected by screw 10 with second side 12, it is notable that and first through hole 111 is clearance fit with shaft 4, the
Two through-holes 121 and screw 10 are also to have gap between clearance fit and screw 10 and second side 12, to facilitate shaft 4 to rotate.
The first synchronous pulley 5 and the second synchronous pulley 6 are additionally provided in shaft 4, it should be noted that the first synchronous pulley 5
It cannot be relatively rotated with shaft 4 with the second synchronous pulley 6, the first synchronous pulley 5 is positioned close to the inside of first side 11, the
Two synchronous pulleys 6 are positioned close to the inside of second side 12.Preferably, the first synchronous pulley 5 and the second synchronous pulley 6 with turn
Axis 4 is using the connection type being keyed.To facilitate maintenance replacement synchronous pulley.
Third synchronous pulley 7 is respectively arranged in the first fixing axle 112 and the second fixing axle 113 of 11 inside of first side
With the 4th synchronous pulley 8, the first synchronous belt 9 is set in the first synchronous pulley 5, third synchronous pulley 7 and the 4th synchronous pulley 8
On, corresponding second side 12 is also so set, synchronous belt can be rotated with synchronous pulley.
Synchronous belt is fixedly linked with felt 2, such as gluing, and felt 2 is set on synchronous belt, and felt 2 can be moved with synchronous belt
It is dynamic.Hairbrush 14 produces relative sliding while felt 2 is mobile with felt 2, can clear up by the chalk dust on felt 2, excellent
Choosing, the present embodiment is arranged in parallel there are three hairbrush 14, and hairbrush 14 is arranged at " S " type, as shown in Figure 4.Being arranged such can be with
Increase the contact area of hairbrush 14 and felt 2, improves the cleaning capacity of hairbrush 14.Preferably, hairbrush 14 is matched with 2 interference of felt
It closes, the cleaning capacity of hairbrush 14 on the one hand can be enhanced, on the other hand, the resistance of the rotation of felt 2 can also be increased, prevent felt
2 rotate in use.
The second side 12 of box body 1 is additionally provided with strip hole 122, and the chalk dust that hairbrush brushes down can pass through strip hole 122
Into collection powder box 3.As shown in figure 5, integrating powder box 3 as rectangle groove body, two sides are provided with buckle 31, correspondingly, setting on box body 1
It is equipped with the hole 15 matched with buckle 31, collection powder box 3 is clamped with 1 phase of box body, when the chalk dust in collection powder box 3 is excessive, can use
Next part powder box 3, chalk dust is poured into container and is focused on.
When being erased the board using this Environmentally friendly blackboard eraser, when the chalk dust on felt 2 cannot excessively reach cleaning effect, by plate
Wiping, which is holded up, to be come, and upward, rotational handle 42, handle 42 drives the first synchronous pulley 5 and the rotation of the second synchronous pulley 6 to handle 42, the
One synchronous pulley 5 and the second synchronous pulley 6 drive synchronous belt rotation, and synchronous belt drives felt 2 to rotate, and complete the replacement of felt 2.
During felt 2 rotates, hairbrush 14 is produced relative sliding with felt 2, and the chalk dust on felt 2 is brushed off by hairbrush 14, is led to
It crosses strip hole 122 and enters collection powder box 3.When the chalk dust in collection powder box 3 is excessive, collection powder box 3 can be disassembled, by chalk dust
It pours into other containers and collects, focus on
The utility model Environmentally friendly blackboard eraser structure is simple, easy to use, cleans out, can for the collection convenience of chalk dust
It leans on, chalk dust will not be made to fly upward everywhere, effectively protect environmental sanitation, make teacher and student all from the infringement of chalk dust,
Improve efficiency of teaching.
The utility model is further described by specific embodiment above, it should be understood that, have here
The description of body, should not be construed as the restriction to the spirit and scope of the utility model, and one of ordinary skilled in the art is readding
The various modifications made after reader specification to above-described embodiment belong to the range that the utility model is protected.
Claims (10)
1. a kind of Environmentally friendly blackboard eraser, which is characterized in that including box body, shaft is provided in box body, box body is movably connected with shaft, turns
It is fixedly installed synchronous belt on axis, felt is fixedly installed on synchronous belt, felt can be rotated by synchronous belt with shaft, in box body
Portion is additionally provided with hairbrush, and hairbrush is in contact with felt；When the chalk dust on blackboard eraser needs to clear up, rotating shaft, felt starts
Mobile, hairbrush goes down the chalk dust cleaning on felt.
2. Environmentally friendly blackboard eraser as described in claim 1, which is characterized in that the first side of box body is provided with first through hole, shaft
It is arranged in box body after first through hole, there are two driving wheel, a first side close to box body is another for setting in shaft
The second side of a close box body, two driving wheels and shaft are all made of key connection.
3. Environmentally friendly blackboard eraser as claimed in claim 2, which is characterized in that the second side of box body is provided with the second through-hole, shaft
One end of the second side of box body is provided with threaded hole, screw passes through the second through-hole and connect with shaft.
4. Environmentally friendly blackboard eraser as claimed in claim 3, which is characterized in that first through hole and shaft on box body are clearance fit,
The second side and the second through-hole on box body of screw and box body are clearance fit, and shaft can be rotated relative to box body.
5. Environmentally friendly blackboard eraser as claimed in claim 2, which is characterized in that the inside of the first side of box body and second side
Inside is provided with two fixing axles, and fixing axle is separately positioned on the two sides of shaft, is slidingly connected one in every fixing axle respectively
A driven wheel；It is arranged with a synchronous belt on the driving wheel and two driven wheels close to the first side of box body, close
Another synchronous belt is arranged on the driving wheel and driven wheel of the second side of box body.
6. Environmentally friendly blackboard eraser as described in claim 1, which is characterized in that one end of hairbrush and box body inside bottom surface stationary phase
Even, the other end and felt contacts.
7. Environmentally friendly blackboard eraser as claimed in claim 6, which is characterized in that hairbrush and felt are using interference fit.
8. Environmentally friendly blackboard eraser as claimed in claims 6 or 7, which is characterized in that hairbrush is at least arranged one, and hairbrush is in " S " type cloth
It sets.
9. Environmentally friendly blackboard eraser as described in claim 1, which is characterized in that further include collection powder box, integrates powder box as rectangle groove body,
Two sides are provided with buckle, and the hole matched with buckle is provided on box body, and collection powder box is mutually clamped with box body.
10. Environmentally friendly blackboard eraser as claimed in claim 9, which is characterized in that collection powder box is connected with the second side of box body, box body
Strip hole is provided in second side, chalk dust enters collection powder box by strip hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717094.8U CN208498079U (en) | 2018-05-14 | 2018-05-14 | Environmentally friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717094.8U CN208498079U (en) | 2018-05-14 | 2018-05-14 | Environmentally friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208498079U true CN208498079U (en) | 2019-02-15 |
Family
ID=65298607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820717094.8U Expired - Fee Related CN208498079U (en) | 2018-05-14 | 2018-05-14 | Environmentally friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208498079U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428731A (en) * | 2020-12-15 | 2021-03-02 | 南京工业职业技术大学 | Dust-removing high-efficiency blackboard eraser |
-
2018
- 2018-05-14 CN CN201820717094.8U patent/CN208498079U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112428731A (en) * | 2020-12-15 | 2021-03-02 | 南京工业职业技术大学 | Dust-removing high-efficiency blackboard eraser |
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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: 20190215 Termination date: 20200514 |