CN206623586U - A kind of novel blackboard eraser - Google Patents
A kind of novel blackboard eraser Download PDFInfo
- Publication number
- CN206623586U CN206623586U CN201720198214.3U CN201720198214U CN206623586U CN 206623586 U CN206623586 U CN 206623586U CN 201720198214 U CN201720198214 U CN 201720198214U CN 206623586 U CN206623586 U CN 206623586U
- Authority
- CN
- China
- Prior art keywords
- seat
- wiping seat
- triangular prism
- wiping
- blackboard 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.)
- Expired - Fee Related
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Abstract
It the utility model is related to a kind of novel blackboard eraser, including lower wiping seat, upper wiping seat, multiple triangular prism rub bodies, dust exhaust apparatus；Triangular prism rub body is each attached on lower wiping seat, and the both ends of each triangular prism rub body are rotatablely connected by rotating shaft and lower wiping seat；Three surfaces of each triangular prism rub body are respectively fixed with hairbrush, sponge brush, wiper；Upper wiping seat is fixed on lower wiping seat, and upper seat of wiping is provided with the clamp that at least two pieces limitation triangular prism rub bodies rotate；Dust exhaust apparatus, which is arranged in, to be wiped in seat, and lower wiping seat is provided with some air suction openings.The beneficial effects of the utility model are：By the way that the rub body of monoblock in the prior art is become to be made up of some triangular prism rub bodies, and it is respectively fixed with hairbrush, sponge brush, wiper on each surface of triangular prism rub body, realize that the utility model can wipe further types of blackboard and tackle more situations, dust can also be absorbed in wiping process simultaneously, the harm to the health of user is reduced, it is very useful.
Description
Technical field
It the utility model is related to teaching equipment field, more particularly to a kind of novel blackboard eraser.
Background technology
Education is always the most important thing of national development, and whether the development of any industry all open or not education, educate and carried for China
For high-quality talents, the development national to one plays an important role.And blackboard must not as a part important in teaching
It can lack, blackboard eraser is particularly significant as a kind of and supporting instrument of blackboard.
Present blackboard eraser is as being all that can only wipe a type of blackboard, can significantly when wiping other kinds of blackboard
The reduction wiping effect of degree and extension wipe the time.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of novel blackboard eraser, with overcome it is above-mentioned in the prior art
Deficiency.
The technical scheme that the utility model solves above-mentioned technical problem is as follows：A kind of novel blackboard eraser, including it is lower wiping seat, on
Wipe seat, multiple triangular prism rub bodies, dust exhaust apparatus；Triangular prism rub body is each attached on lower wiping seat, and each triangular prism rub body
Both ends are rotatablely connected by rotating shaft and lower wiping seat；Three surfaces of each triangular prism rub body be respectively fixed with hairbrush, sponge brush,
Wiper；Upper wiping seat is fixed on lower wiping seat, and upper seat of wiping is provided with the clamp that at least two pieces limitation triangular prism rub bodies rotate；Inhale
Dirt device, which is arranged in, to be wiped in seat, and lower wiping seat is provided with some air suction openings.
The beneficial effects of the utility model are：By the way that the rub body of monoblock in the prior art is become by some triangular prism rub bodies
Composition, and be respectively fixed with hairbrush, sponge brush, wiper on each surface of triangular prism rub body, that is, realize that the utility model can be wiped
Wipe further types of blackboard and tackle more situations, while dust can also be absorbed in wiping process, reduce to user
Health harm, it is very useful.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, it is connected between lower wiping seat and upper wiping seat by some hasps.
It is using above-mentioned further beneficial effect：It can ensure that lower wiping seat wipes the stability after seat is connected with upper.
Further, it is equipped with lower wiping seat in the installation place of each triangular prism rub body and crosses groove accordingly；Each triangular prism is wiped
Body has part to reach outside groove.
It is using above-mentioned further beneficial effect：Convenient arrangement triangular prism rub body.
Further, dust exhaust apparatus includes demarcation strip, L-shaped peripheral frame, air bag, portable plate, limitting casing, filter mantle；Demarcation strip is set
Put in upper wiping seat, the upper internal cavity for wiping seat is by divides into upper cavity and lower chamber；Limitting casing and portable plate are equal
It is arranged in upper cavity, movable board is located in limitting casing, and can be moved up and down in limitting casing；Air bag is arranged on activity
Between plate and demarcation strip；L-shaped peripheral frame is arranged in lower chamber；L-shaped peripheral frame respectively with it is upper wiping seat left side wall, it is upper wipe seat front side
Wall, the upper rear wall for wiping seat and demarcation strip are connected, and enclose the Dust Storage Room of closing；Air bag is provided with what is led to airbags
Breather check valve, outgassing nonreturn valve；Outgassing nonreturn valve runs through upper wiping seat, and is connected with the external world；Breather check valve is away from air bag
One end run through demarcation strip, and be connected with Dust Storage Room；Filter mantle is located at breather check valve and entered on the end of Dust Storage Room；
Suction port is offered in L-shaped peripheral frame；L-shaped peripheral frame is provided with the removable cover for covering suction port；Enclosed with L-shaped the upper end of removable cover
Frame is rotatablely connected.
It is using above-mentioned further beneficial effect：Overall structure is simple and inhales and does not need electric energy during ash, uses
When stability it is good.
Further, removable cover is plastic plate；The thickness of plastic plate is 0.1mm to 2mm.
It is using above-mentioned further beneficial effect：Chalk dust can be blocked in Dust Storage Room.
Further, the upper left side wall for wiping seat is provided with the ash hole being connected with Dust Storage Room；Upper wiping seat is provided with and covers this
The ash discharge cover plate of ash hole.
It is using above-mentioned further beneficial effect：Collected chalk dust in easy cleaning Dust Storage Room.
Further, the spherical type in the upper surface of portable plate.
It is using above-mentioned further beneficial effect：Portable propelling plate moves down when using blackboard eraser, so as to be advantageous to
The extruding of paired air bag.
Brief description of the drawings
Fig. 1 is the structural representation of the upper part of novel blackboard eraser described in the utility model；
Fig. 2 is the structural representation of the lower part of novel blackboard eraser described in the utility model；
Fig. 3 is Fig. 2 top view.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, lower wiping seat, 110, air suction opening, 120, cross groove, 2, upper wiping seat, 210, clamp, 220, ash discharge cover plate, 3, triangular prism
Rub body, 4, dust exhaust apparatus, 410, demarcation strip, 420, L-shaped peripheral frame, 421, suction port, 422, removable cover, 430, air bag, 431,
Breather check valve, 440, portable plate, 450, limitting casing, 460, filter mantle, 470, Dust Storage Room.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of novel blackboard eraser, including it is lower wiping seat 1, it is upper wiping seat 2, multiple triangular prism rub bodies 3,
Dust exhaust apparatus 4.
Lower seat 1 of wiping is inner hollow, the structure of upper surface opening.Upper wiping seat 2 is arranged on lower wiping seat 1, also, lower wiping seat
It is connected between 1 and upper wiping seat 2 by some hasps.Triangular prism rub body 3 is arranged in side of the lower wiping seat 1 away from upper wiping seat 2, and
And all triangular prism rub bodies 3 are arranged side by side along the length direction of lower wiping seat 1, the both ends of each triangular prism rub body 3 pass through
Rotating shaft is rotatablely connected with lower wiping seat 1, and the shape of cross section of each triangular prism rub body 3 is equilateral triangle.The lower lower surface for wiping seat 1
On be equipped with the installation place of each triangular prism rub body 3 accordingly cross groove 120, cross groove 120 width be more than equilateral triangle side
Long, each triangular prism rub body 3 has part to reach outside groove 120, and the novel blackboard eraser is to pass through Rhizoma Sparganii when erasing the board
What the part that post rub body 3 reached outside groove 120 was wiped.Three surfaces of each triangular prism rub body 3 are respectively fixed with hair
Brush, sponge brush, wiper, and hairbrush, sponge brush, wiper are to be fixed on by the way of bonding on the surface of triangular prism rub body 3.
The upper rear and front end for wiping seat 2 is equipped with the clamp 210 that one piece of limitation triangular prism rub body 3 rotates, on every piece of clamp 210
It is equipped with the neck of triangle.Dust exhaust apparatus 4, which is arranged in, to be wiped in seat 2, and lower seat 1 of wiping is provided with some inside with lower wiping seat 1
The air suction opening 110 that cavity is connected, dust exhaust apparatus 4 can be by air suction openings 110 by dust absorbing.
In the present embodiment, the concrete structure of dust exhaust apparatus 4 is as follows：
Dust exhaust apparatus 4 includes demarcation strip 410, L-shaped peripheral frame 420, air bag 430, portable plate 440, limitting casing 450, filter mantle
460。
Demarcation strip 410, which is arranged on, to be wiped in seat 2, also, the upper internal cavity for wiping seat 2 is separated into by demarcation strip 410
Cavity and lower chamber, wherein, demarcation strip 410 can be fixed in the form of bonding in upper wiping seat 2.
Limitting casing 450 is arranged in upper cavity, and portable plate 440 is also disposed in upper cavity, also, the card of portable plate 440 is set
In limitting casing 450, so that portable plate 440 can only move up and down in limitting casing 450, and wiping seat can not be departed from
2.Air bag 430 is arranged between portable plate 440 and demarcation strip 410, and portable plate 440 being capable of extruding gasbag 430 in folding process.
Moved down in order to facilitate portable plate 440, the upper surface of portable plate 440 is designed to spherical.
L-shaped peripheral frame 420 is arranged in lower chamber, L-shaped peripheral frame 420 respectively with it is upper wiping seat 2 left side wall, it is upper wiping seat 2 before
Side wall, the upper rear wall for wiping seat 2 and demarcation strip 410 are fixedly connected, and enclose the Dust Storage Room 470 of closing, L-shaped peripheral frame
420 mode that is fixedly connected can be bonding.
Air bag 430 is provided with breather check valve 431, the outgassing nonreturn valve being connected with air bag 430, wherein, air inlet is unidirectional
The specific connected mode of valve 431, outgassing nonreturn valve and air bag 430 uses existing common technology.
The side wall of seat 2 is wiped in the one end of outgassing nonreturn valve away from air bag 430 through upper, and is connected with the external world.Air inlet is unidirectional
Demarcation strip 410 is run through in the one end of valve 431 away from air bag 430, and is connected with Dust Storage Room 470.Filter mantle 460 is located at air inlet list
Entered to valve 431 on the end of Dust Storage Room 470.It can so prevent the dust in air-breathing of breather check valve 431 from passing through air inlet
Check valve 431 is entered in air bag 430.
Suction port 421 is offered in L-shaped peripheral frame 420.L-shaped peripheral frame 420 is provided with the removable cover for covering suction port 421
422, wherein, the upper end of removable cover 422 is rotatablely connected that (removable cover 422 can be around the rotating shaft being connected with L-shaped peripheral frame 420
It is rotated up), result in formation of a simple unidirectional shutter door, in not dust suction, a left side for removable cover 422 and lower wiping seat 1
Side wall is parallel.In addition, in the present embodiment, removable cover 422 is plastic plate, and the thickness of plastic plate is 0.1mm to 2mm, specifically
Can be 0.1mm, 0.3mm, 0.8mm, 1mm, 1.5mm, 2mm.It can certainly be other materials, only need to meet suction port 421
During air inlet, removable cover 422 can be rotated up certain angle.
The upper left side wall for wiping seat 2 is provided with the ash hole that is connected with Dust Storage Room 470, and upper wiping seat 2, which is provided with, to be covered this and go out
The ash discharge cover plate 220 of grey mouth, the dust in such easy cleaning Dust Storage Room 470.
In addition, in actual design process, it is not excluded that replace the dust suction described in the utility model using dust catcher etc.
Device 4, and this structure why is preferably used in the utility model, electric energy can need not be mainly used, it is more environmentally-friendly.
The upper side for wiping remote Dust Storage Room 470 on seat 2 is embedded with magnet strip, so convenient that blackboard eraser is fixed on into irony thing
On body or magnetic bodies.
Soft rubber is coated with upper wiping seat 2 and lower wiping seat 1, can so prevent blackboard eraser from directly being broken after dropping.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (7)
1. a kind of novel blackboard eraser, it is characterised in that including lower wiping seat (1), upper wiping seat (2), multiple triangular prism rub bodies (3), suction
Dirt device (4)；Described multiple triangular prism rub bodies (3) are each attached on the lower wiping seat (1), and each triangular prism rub body
(3) both ends are rotatablely connected by rotating shaft and lower wiping seat (1)；Three surfaces of each triangular prism rub body (3) are respectively fixed with
Hairbrush, sponge brush, wiper；The upper wiping seat (2) is fixed on lower wiping seat (1), and the upper wiping seat (2) is provided with least two
The clamp (210) that block limitation triangular prism rub body (3) rotates；The dust exhaust apparatus (4) is arranged in the upper wiping seat (2), described
Lower wiping seat (1) is provided with some air suction openings (110).
2. a kind of novel blackboard eraser according to claim 1, it is characterised in that the lower wiping seat (1) and the upper wiping seat
(2) it is connected between by some hasps.
3. a kind of novel blackboard eraser according to claim 2, it is characterised in that in each Rhizoma Sparganii on the lower wiping seat (1)
The installation place of post rub body (3) is equipped with crosses groove (120) accordingly；Each triangular prism rub body (3) has part to reach groove
(120) outside.
4. a kind of novel blackboard eraser according to claim 3, it is characterised in that the dust exhaust apparatus (4) includes demarcation strip
(410), L-shaped peripheral frame (420), air bag (430), portable plate (440), limitting casing (450), filter mantle (460)；The demarcation strip
(410) it is arranged in the upper wiping seat (2), the upper internal cavity for wiping seat (2) is separated into by the demarcation strip (410)
Cavity and lower chamber；The limitting casing (450) and the portable plate (440) are arranged in the upper cavity, the portable plate
(440) it is fastened in the limitting casing (450), and can be moved up and down in limitting casing (450)；The air bag (430) sets
Put between portable plate (440) and demarcation strip (410)；The L-shaped peripheral frame (420) is arranged in the lower chamber；The L-shaped is enclosed
Frame (420) respectively with it is upper wiping seat (2) left side wall, it is upper wipe seat (2) front side wall, it is upper wipe seat (2) rear wall and demarcation strip
(410) it is connected so as to enclose the Dust Storage Room (470) of closing jointly；The air bag (430) is provided with to be connected with air bag (430)
Logical breather check valve (431), outgassing nonreturn valve；The outgassing nonreturn valve is connected through upper wiping seat (2) with the external world；Institute
State the one end of breather check valve (431) away from air bag (430) and run through demarcation strip (410), and be connected with Dust Storage Room (470)；Institute
State filter mantle (460) and be located at breather check valve (431) and enter on the end of Dust Storage Room (470)；The L-shaped peripheral frame (420)
On offer suction port (421)；The L-shaped peripheral frame (420) is provided with the removable cover (422) for covering suction port (421)；It is described
The upper end of removable cover (422) is rotatablely connected with L-shaped peripheral frame (420).
5. a kind of novel blackboard eraser according to claim 4, it is characterised in that the removable cover (422) is plastic plate；
The thickness of the plastic plate is 0.1mm to 2mm.
6. a kind of novel blackboard eraser according to claim 4, it is characterised in that set on the upper left side wall for wiping seat (2)
There is the ash hole being connected with Dust Storage Room (470)；The upper seat (2) of wiping is provided with the ash discharge cover plate (220) for covering the ash hole.
7. a kind of novel blackboard eraser according to claim 4, it is characterised in that the upper surface of the portable plate (440) is in
Spherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198214.3U CN206623586U (en) | 2017-03-02 | 2017-03-02 | A kind of novel blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720198214.3U CN206623586U (en) | 2017-03-02 | 2017-03-02 | A kind of novel blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206623586U true CN206623586U (en) | 2017-11-10 |
Family
ID=60210861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720198214.3U Expired - Fee Related CN206623586U (en) | 2017-03-02 | 2017-03-02 | A kind of novel blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206623586U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909294A (en) * | 2018-06-26 | 2018-11-30 | 瑙ｆ尝 | A kind of ash-collecting blackboard eraser |
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
| CN115091880A (en) * | 2022-07-11 | 2022-09-23 | 安徽宝信信息科技有限公司 | Nanometer blackboard supporting double-system switching |
-
2017
- 2017-03-02 CN CN201720198214.3U patent/CN206623586U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108909294A (en) * | 2018-06-26 | 2018-11-30 | 瑙ｆ尝 | A kind of ash-collecting blackboard eraser |
| CN113263856A (en) * | 2021-06-23 | 2021-08-17 | 江苏六鑫科教仪器设备有限公司 | Cleaning device for be used for teaching blackboard |
| CN115091880A (en) * | 2022-07-11 | 2022-09-23 | 安徽宝信信息科技有限公司 | Nanometer blackboard supporting double-system switching |
| CN115091880B (en) * | 2022-07-11 | 2023-09-05 | 安徽宝信信息科技有限公司 | Nanometer blackboard supporting dual-system switching |
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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 |
Granted publication date: 20171110 Termination date: 20180302 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |