CN107672355A - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN107672355A CN107672355A CN201710740660.7A CN201710740660A CN107672355A CN 107672355 A CN107672355 A CN 107672355A CN 201710740660 A CN201710740660 A CN 201710740660A CN 107672355 A CN107672355 A CN 107672355A
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- cavity
- crushing block
- rack
- dust
- 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.)
- Pending
Links
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
- B43L21/02—Blackboard or slate cleaning devices with means for absorbing the chalk dust
Abstract
The invention discloses a kind of blackboard eraser, the blackboard eraser includes enclosing the body formed with cavity, and at least one set of dust collection mechanism being arranged in the cavity；Wherein, the body is enclosed by upper plate body, lower body and four side plates, is formed as rectangular parallelepiped structure, and at least provided with dust wiper blade (1) on the lower body, and the lower body and the upper plate body are endless hermetically sealed；The dust collection mechanism comprises at least part and runs through the side plate and the crushing block (4) extended in the cavity, the spring (5) being arranged in the cavity, the air draught part (6) being arranged in the cavity, and the pressure conversion unit of the connection crushing block (4) and the air draught part (6), when the crushing block (4) is squeezed return, the pressure conversion unit can drive the air draught part (6) to rotate, described spring (5) one end is affixed, and the other end is connected with the crushing block (4).By above-mentioned design, the effect of dust suction is realized.
Description
Technical field
The present invention relates to teaching equipment field, in particular it relates to blackboard eraser.
Background technology
Although with the development of science and technology, the application of Multi-media teaching tool is increasingly extensive, it still can not replace passing
System using chalk-writing and teaching teaching method.And in daily teaching, powder can then be caused using chalk-writing
The generation of dirt, also can still dust be caused to disperse everywhere when being erased the board using chalkboard eraser, so as to bands such as the health to clergy
Carry out tremendous influence.
Therefore it provides one kind can conveniently realize preferable pick-up performance, the blackboard eraser of clean working environment is the present invention
The problem of urgent need to resolve.
The content of the invention
For above-mentioned prior art, it is an object of the invention to overcome then cause dust with chalk-writing in the prior art
Generation, also can still cause dust to disperse everywhere when being erased the board using chalkboard eraser, so as to which health to clergy etc. is brought
The problem of tremendous influence, preferable pick-up performance, the blackboard eraser of clean working environment can be conveniently realized so as to provide one kind.
To achieve these goals, the invention provides a kind of blackboard eraser, wherein, the blackboard eraser include enclose formed with
The body of cavity, and at least one set of dust collection mechanism being arranged in the cavity；Wherein,
The body is enclosed by upper plate body, lower body and four side plates, is formed as rectangular parallelepiped structure, the lower body is up to
Dust wiper blade is provided with less, and the lower body and the upper plate body are endless hermetically sealed；
The dust collection mechanism comprises at least part and runs through the side plate and the crushing block extended in the cavity, is arranged at
Spring in the cavity, the air draught part being arranged in the cavity, and connect the pressure of the crushing block and the air draught part
Power converting unit, when the crushing block is squeezed return, the pressure conversion unit can drive the air draught part to rotate, institute
It is affixed to state spring one end, the other end is connected with the crushing block.
Preferably, the pressure conversion unit is connected including at least one end with the crushing block, and the other end is movably set
The rack put, the gear being meshed with the rack, and connecting rod is provided through on the gear, described connecting rod one end can rotation
Ground is arranged on the inwall of the body, and the other end is connected with air draught part.
Preferably, the teeth in the rack are arranged at the side of the rack, prolonging along the rack in the cavity
Stretch direction and be further fixedly arranged on sliding panel, and formed with sliding groove on the sliding panel, the lower surface of the rack, lower surface and
It is not provided with being provided with the sliding shoe being engaged with the sliding groove at least one in the side of teeth, to cause the tooth
Bar can slide on the sliding panel.
Preferably, the lower body is made up of spaced magnet and dust wiper blade.
Preferably, also extended through on the magnet formed with multiple through holes.
Preferably, the dust wiper blade is sponge sheet.
Preferably, multiple rectangular openings are provided with the upper plate body, and covered with mesh sponge on the rectangular opening.
Preferably, the dust collection mechanism is at least two groups, and is divided into the upper and lower part of the cavity, and two groups of dust suctions
Separated between mechanism by dividing plate.
Preferably, also it is attached with cellucotton on the inwall of the cavity.
Preferably, it is additionally provided with least part lateral surface of the body and wipes grey piece；The grey piece of wiping is sponge sheet；Extremely
Also insertion is provided with multiple air admission holes on a few side plate.
According to above-mentioned technical proposal, body is arranged to be enclosed by upper plate body, lower body and four side plates by the present invention, makes it
Be internally formed cavity, while dust wiper blade be set on lower body so that can by dust wiper blade come blackboard wiping,
Meanwhile through setting crushing block on side plate, and crushing block is connected with spring, while the crushing block and air draught part are passed through into pressure
Power converting unit connects, so that being extruded by crushing block, realizes the rotation of air draught part, and the dust of outside is passed through into air
The mode of convection current is adsorbed onto in cavity, so as to effectively realize the effect of dust suction.Further, by way of extruding, also can
Hand-power is tempered in teaching, obtains certain motion.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of lower body provided by the invention；
Fig. 2 is a kind of internal structure schematic diagram of blackboard eraser provided by the invention；
Fig. 3 is the structural representation of a kind of crushing block and pressure conversion unit provided by the invention；
Fig. 4 is a kind of structural representation of upper plate body provided by the invention；
Fig. 5 is a kind of structural representation of side plate provided by the invention.
Description of reference numerals
1- dust wiper blade 2- magnet
3- through hole 4- crushing blocks
5- spring 6- air draught parts
7- rack 8- gears
9- teeth 10- sliding panels
11- rectangular opening 12- dividing plates
13- wipes grey piece 14- air admission holes.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where not making opposite explanation, " inside and outside, upper and lower " etc. is included in the orientation in term
Word only represents orientation of the term under normal service condition, or be skilled artisan understands that be commonly called as, and be not construed as
Limitation to the term.
The invention provides a kind of blackboard eraser, wherein, as Figure 1-Figure 5, the blackboard eraser includes enclosing formed with chamber
The body of body, and at least one set of dust collection mechanism being arranged in the cavity；Wherein,
The body is enclosed by upper plate body, lower body and four side plates, is formed as rectangular parallelepiped structure, the lower body is up to
Dust wiper blade 1 is provided with less, and the lower body and the upper plate body are endless hermetically sealed；
The dust collection mechanism comprises at least part and runs through the side plate and the crushing block 4 extended in the cavity, sets
In the spring 5 in the cavity, the air draught part 6 being arranged in the cavity, and connect the crushing block 4 and the air draught part
6 pressure conversion unit, when the crushing block 4 is squeezed return, the pressure conversion unit can drive the air draught part 6
Rotate, described one end of spring 5 is affixed, and the other end is connected with the crushing block 4.
Body is arranged to be enclosed by upper plate body, lower body and four side plates by the present invention, it has been internally formed cavity, together
When dust wiper blade 1 is set on lower body so that can by dust wiper blade 1 come blackboard wiping, meanwhile, passed through on side plate
Wear and put crushing block 4, and crushing block 4 is connected with spring 5, while the crushing block 4 and air draught part 6 are passed through into pressure conversion unit
Connection, so that being extruded by crushing block 4, the rotation of air draught part 6 is realized, and the dust of outside is passed through into cross-ventilated side
Formula is adsorbed onto in cavity, so as to effectively realize the effect of dust suction.Further, also can be in teaching by way of extruding
Hand-power is tempered, obtains certain motion.Certainly, at least upper plate body or lower body is removably disposed, so that it is easy to clearly
The dust of clean inside.
As long as the setting of the pressure conversion unit in 4 resilience of crushing block so as to realize the rotation of air draught part i.e.
Can, for example, in a kind of preferred embodiment of the present invention, the pressure conversion unit at least could be arranged to include one end
It is connected with the crushing block 4, the rack 7 that the other end is movably set, the gear 8 being meshed with the rack 7, and the tooth
Connecting rod is provided through on wheel 8, described connecting rod one end can be arranged to rotation on the inwall of the body, and the other end is connected with suction
Wind part 6.Certainly, if the setting of connecting rod here for its can only rotation, and the change that can not be subjected to displacement.For example,
A body of rod can be fixed on the inwall of body, connecting rod is socketed on the body of rod, and can using the body of rod as axle rotation, certainly,
Similar structure can use herein.Certainly, connecting rod here through gear 8 can be through the axle center of gear 8, and with
Gear 8 is fixedly installed.Connecting rod one end can be socketed to rotation the body of rod, other end connection air draught part 6, when 4 resilience of crushing block, drive
Rack 7 bounces back, because gear 8 engages with rack 7, and the movement that can not be subjected to displacement, therefore, gear 8 rotates, and drivening rod
Rotate, be further driven to air draught part 6 and rotate, so as to play suction wind action.
In further preferred embodiment, in order that the motion track of rack 7 more determines, avoid in moving process
The problems such as waving, the teeth 9 in the rack 7 are arranged at the side of the rack 7, along the rack 7 in the cavity
Bearing of trend be further fixedly arranged on sliding panel 10, and formed with sliding groove, the following table of the rack 7 on the sliding panel 10
Face, lower surface and it is not provided with being provided with the sliding shoe being engaged with the sliding groove at least one in the side of teeth 9,
To enable the rack 7 to be slid on the sliding panel 10.
In order that obtaining blackboard eraser can adsorb on blackboard when not in use, in a kind of implementation being more highly preferred to of the present invention
In mode, the lower body is made up of spaced magnet 2 and dust wiper blade 1.
Certainly, the endless hermetically sealed setting of lower body can be configured in any suitable fashion, for example, at this
In a kind of preferred embodiment of invention, also extended through on the magnet 2 formed with multiple through holes 3.
In further preferred embodiment, the dust wiper blade 1 is sponge sheet.
Similarly, in a kind of preferred embodiment of the present invention, multiple rectangular openings 11 are provided with the upper plate body,
And covered with mesh sponge on the rectangular opening 11.So that upper plate body is endless hermetically sealed, and because covering mesh sponge, make
Obtaining can stop that dust is spilt from the rectangular opening 11 in upper plate body.
In a kind of embodiment being more highly preferred to of the present invention, the dust collection mechanism is at least two groups, and is divided into institute
The upper and lower part of cavity is stated, and is separated between two groups of dust collection mechanisms by dividing plate 12.
In further preferred embodiment, in order that dust can adhere better in cavity, the cavity it is interior
Cellucotton can also be attached with wall.
In order that it is more preferable to obtain the blackboard eraser wiping effect, it is additionally provided with least part lateral surface of the body and wipes grey piece
13.Further, the grey piece 13 of wiping is sponge sheet.
In order that the dust that must be floated can be collected preferably, in a kind of preferred embodiment of the present invention, extremely
It can also be penetrated on a few side plate and be provided with multiple air admission holes 14.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of blackboard eraser, it is characterised in that the blackboard eraser includes enclosing the body formed with cavity, and is arranged at the chamber
Internal at least one set of dust collection mechanism；Wherein,
The body is enclosed by upper plate body, lower body and four side plates, is formed as rectangular parallelepiped structure, is at least set on the lower body
Dust wiper blade (1) is equipped with, and the lower body and the upper plate body are endless hermetically sealed；
The dust collection mechanism comprises at least part and runs through the side plate and the crushing block (4) extended in the cavity, is arranged at
Spring (5) in the cavity, the air draught part (6) being arranged in the cavity, and connect the crushing block (4) and the suction
The pressure conversion unit of wind part (6), when the crushing block (4) is squeezed return, the pressure conversion unit can drive institute
Air draught part (6) rotation is stated, described spring (5) one end is affixed, and the other end is connected with the crushing block (4).
2. blackboard eraser according to claim 1, it is characterised in that the pressure conversion unit comprise at least one end with it is described
Crushing block (4) is connected, the rack (7) that the other end is movably set, the gear (8) being meshed with the rack (7), and described
Connecting rod is provided through on gear (8), described connecting rod one end can be arranged to rotation on the inwall of the body, other end connection
There is air draught part (6).
3. blackboard eraser according to claim 2, it is characterised in that the teeth (9) in the rack (7) are arranged at the tooth
The side of bar (7), sliding panel (10), and the cunning are further fixedly arranged on along the bearing of trend of the rack (7) in the cavity
Formed with sliding groove on dynamic plate (10), the lower surface of the rack (7), lower surface and it is not provided with the side of teeth (9)
The sliding shoe being engaged with the sliding groove is provided with least one, to cause the rack (7) can be in the sliding panel
(10) slid on.
4. according to the blackboard eraser described in any one in claim 1-3, it is characterised in that the lower body is by spaced
Magnet (2) and dust wiper blade (1) are formed.
5. blackboard eraser according to claim 4, it is characterised in that also extended through on the magnet (2) formed with multiple through holes
(3)。
6. blackboard eraser according to claim 1, it is characterised in that the dust wiper blade (1) is sponge sheet.
7. according to the blackboard eraser described in any one in claim 1-3, it is characterised in that be provided with the upper plate body multiple
Rectangular opening (11), and covered with mesh sponge on the rectangular opening (11).
8. according to the blackboard eraser described in any one in claim 1-3, it is characterised in that the dust collection mechanism is at least two
Group, and the upper and lower part of the cavity is divided into, and separated between two groups of dust collection mechanisms by dividing plate (12).
9. according to the blackboard eraser described in any one in claim 1-3, it is characterised in that also adhere on the inwall of the cavity
There is cellucotton.
10. according to the blackboard eraser described in any one in claim 1-3, it is characterised in that outside at least part of the body
It is additionally provided with side and wipes grey piece (13)；
The grey piece (13) of wiping is sponge sheet；
Also insertion is provided with multiple air admission holes (14) at least one side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740660.7A CN107672355A (en) | 2017-08-25 | 2017-08-25 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710740660.7A CN107672355A (en) | 2017-08-25 | 2017-08-25 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107672355A true CN107672355A (en) | 2018-02-09 |
Family
ID=61134679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710740660.7A Pending CN107672355A (en) | 2017-08-25 | 2017-08-25 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107672355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760453A (en) * | 2019-03-12 | 2019-05-17 | 余守华 | A kind of blackboard eraser for reducing chalk dust and flying upward |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202029597U (en) * | 2011-03-29 | 2011-11-09 | 华东师范大学附属杨行中学 | Dust suction blackboard eraser |
| CN103204023A (en) * | 2013-04-27 | 2013-07-17 | 上海大学 | Dust absorption spray type blackboard eraser |
| CN104442127A (en) * | 2013-09-17 | 2015-03-25 | 袁泽 | Blackboard eraser capable of sucking dust |
| CN204414974U (en) * | 2015-02-11 | 2015-06-24 | 唐英梅 | A kind of blackboard eraser |
| CN205075543U (en) * | 2015-09-30 | 2016-03-09 | 王佳楷 | Deashing blackboard eraser |
| CN205168001U (en) * | 2015-11-01 | 2016-04-20 | 郑州大学 | Novel blackboard eraser with high -efficient dust removal function |
-
2017
- 2017-08-25 CN CN201710740660.7A patent/CN107672355A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202029597U (en) * | 2011-03-29 | 2011-11-09 | 华东师范大学附属杨行中学 | Dust suction blackboard eraser |
| CN103204023A (en) * | 2013-04-27 | 2013-07-17 | 上海大学 | Dust absorption spray type blackboard eraser |
| CN104442127A (en) * | 2013-09-17 | 2015-03-25 | 袁泽 | Blackboard eraser capable of sucking dust |
| CN204414974U (en) * | 2015-02-11 | 2015-06-24 | 唐英梅 | A kind of blackboard eraser |
| CN205075543U (en) * | 2015-09-30 | 2016-03-09 | 王佳楷 | Deashing blackboard eraser |
| CN205168001U (en) * | 2015-11-01 | 2016-04-20 | 郑州大学 | Novel blackboard eraser with high -efficient dust removal function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109760453A (en) * | 2019-03-12 | 2019-05-17 | 余守华 | A kind of blackboard eraser for reducing chalk dust and flying upward |
| CN109760453B (en) * | 2019-03-12 | 2020-11-24 | 苏州市信睦知识产权服务有限公司 | Blackboard eraser capable of reducing chalk dust flying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180209 |
|
| RJ01 | Rejection of invention patent application after publication |