CN105216516B - Dust-absorption environmental-protection type blackboard eraser - Google Patents
Dust-absorption environmental-protection type blackboard eraser Download PDFInfo
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- CN105216516B CN105216516B CN201510747051.5A CN201510747051A CN105216516B CN 105216516 B CN105216516 B CN 105216516B CN 201510747051 A CN201510747051 A CN 201510747051A CN 105216516 B CN105216516 B CN 105216516B
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- blackboard eraser
- hole
- dust
- plate
- environmental protection
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- Drawing Aids And Blackboards (AREA)
Abstract
A dust-absorption environmental-protection type blackboard eraser comprises a blackboard eraser body and a felt layer, wherein an upper board, a lower board and a lateral board form a liquid storage cavity. Liquid inlets are arranged on the lateral walls of the upper cavity and the lower cavity of the liquid storage cavity. The upper cavity and the lower cavity are used for storing cleaning agent and a dust absorption agent respectively. A first through hole, a second through hole and a third through hole are arranged in the upper board, a transverse board and the lower board respectively. A switch valve rod is arranged on the blackboard eraser body and is inserted from the upper part of the upper board and passes through the first through hole and the second through hole and then is inserted into the third through hole. Capillaries are arranged on the blackboard eraser body, and the lower part of the capillaries is provided with a ball valve which is extruded to allow liquid to flow out. The upper ends of the capillaries extend into the upper cavity, and the lower ends of the capillaries extend into the felt layer. User can conveniently allow the cleaning agent or the dust absorption agent to flow into the felt layer by using the dust-absorption environmental-protection type blackboard eraser, cleaning and dust removal are performed, and dust is prevented from floating in air and health of teachers and students is prevented from being affected.
Description
Technical field
The present invention relates to a kind of blackboard eraser and in particular to a kind of convenient cleaning and can dedusting blackboard eraser for environmental protection.
Background technology
In existing teaching process, chalk is the most used teaching aid of current classroom teaching, with the side of chalk-writing
Formula is lectured knowledge to students, is simple and one of teaching method of generally being accepted and being easy to utilization by everybody.Chalk
During use, chalk powder brings many harm to the teacher being engaged in educational undertaking and the student listening to the teacher.With social progress
With the quickening of social rhythm, teaching profession's disease rate is in the trend rising year by year, and occupation disease assumes diversified direction to be developed, wherein powder
The pneumoconiosis that dirt causes and various acute and chronic respiratory tract disease are main at present, harm most serious and most widely a kind of occupation
Disease.And solving dust problem key is to be controlled on source, the blackboard eraser great majority that commonly use now be by felt and
Plank is combined fixing although greatly reducing cost, but pick-up performance is not good, and is not easy to wipe clean.Dust is always
The generative forces of heaven and earth around teachers and students' body, and in the quiet middle health damaging human body.So, produce one kind and can effectively inhale
Dirt, blackboard eraser with low cost and energy-conserving and environment-protective are very urgent.
Content of the invention
In order to solve the problems, such as to adopt dust in chalk teaching process excessive in prior art, the present invention provides a kind of convenient
Cleaning and a kind of dust suction blackboard eraser for environmental protection of energy dedusting.
A kind of dust suction blackboard eraser for environmental protection, including blackboard eraser plate body and the felt layers being fixed on blackboard eraser plate body bottom, described plate
Wiping board body includes upper plate, lower plate and around upper plate and the lower plate side plate of a week, and described upper plate, lower plate and side plate surround a liquid storage
Chamber.Liquid storage intracavity is provided with transverse slat, and liquid storage cylinder is divided into upper plenum and lower cavity two parts by transverse slat.Upper plenum and lower cavity divide
It is not used for depositing abluent and dust adsorption agent.Described upper plate, transverse slat and lower plate are respectively arranged with first through hole, the second through hole and the 3rd
Through hole；Blackboard eraser plate body is additionally provided with switch valve rod, and switch valve rod is inserted from upper plate top, through first through hole and the second through hole,
And insert in third through-hole.Described blackboard eraser plate body is additionally provided with capillary tube, and overhead intracavity is stretched in the upper end of capillary tube, capillary tube
Lower end passes through transverse slat and lower plate and extends in felt layers.
Preferably, between described first through hole and switch valve rod, it is provided with sealing between the second through hole and switch valve rod
Ring.The setting of described sealing ring, can prevent the liquid of overhead intracavity from flowing into lower cavity or flowing out from first through hole；Meanwhile,
It is prevented from liquid and flow into upper plenum from lower cavity.
Preferably, it is additionally provided with seal pipe between described first through hole and the second through hole, switch valve rod passes through seal pipe, opens
Close and be provided with sealing ring between valve rod and seal pipe.The setting of described seal pipe, can prevent the liquid of overhead intracavity from first
Through hole and the second through hole flow out.The setting of described sealing ring, can prevent the liquid in lower cavity from entering the top of seal pipe.
Preferably, described switch valve rod has four, and each switch valve rod is provided with the collar facilitating finger to stretch into.Described
Four switch valve rod, all can enter the valve of felt layers as lower sky intracavity liquid.The setting of the described collar, can facilitate handss
Finger stretches into, and then convenient use human users' switch valve rod.
Further preferably, the forward upper of described side plate is provided with the first groove placing thumb, on the rear side of described side plate
Portion is provided with four the second grooves, and four the second grooves are respectively used to place forefinger, middle finger, the third finger and little finger of toe.When using people
When member uses, thumb is located in the first groove, and forefinger, middle finger, the third finger and little finger of toe are each passed through the collar and to be placed on second recessed
In groove, convenient use personnel are hand-held.
Preferably, the bottom of described capillary tube is provided with liquid outlet, and the lower end of liquid outlet makes liquid flow after being provided with extruding
The ball valve going out.Described ball valve can be in suction pipe lower contacts blackboard surface, and when ball valve and blackboard surface contact squeeze, ball valve is opened, on
Liquid in cavity exits into felt layers at ball valve.
Preferably, described capillary tube is rigid pipe, and the upper end of capillary tube is concordant with the upper plane of transverse slat, and described capillary tube has
Multiple, each capillary tube is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary tube.
Preferably, the side wall of the side wall of described upper plenum and lower cavity is provided with inlet, is respectively provided with each inlet
There is sealing-plug.The setting of described inlet, convenient use personnel add abluent and dust adsorption agent.
Preferably, described dust adsorption agent is located at overhead intracavity, and described dust adsorption agent includes alcoholic solution and Herba Menthae extracting solution, described
The volume fraction of alcoholic solution is 95%～99%, and the volume fraction of described Herba Menthae extracting solution is 1%～5%；Described Herba Menthae carries
Take liquid to obtain by following steps, first, take 30 weight portion fresh mint leaves to put in grinding vessel；Then, to dismembyator
3 weight parts of calcium carbonate powder are added in ware；Subsequently, grind mentha leave in grinding vessel so as to grind fully；Finally, will
The material being ground filters through gauze, filters out Herba Menthae extracting solution.
Preferably, described abluent is located in lower cavity, and abluent is to be mixed by sodium carbonate, sodium hydroxide and alcoholic solution
Preparation, the addition of described sodium carbonate is 10g/l～30g/l, and the addition of sodium hydroxide is 5g/l～15g/l；Described wine
Smart solution is the mixed liquor by water and ethanol, and the volume fraction of ethanol is 10%～35%.
The present invention compared with prior art, has the advantages that
A kind of above-mentioned dust suction blackboard eraser for environmental protection, upper plenum and lower cavity are respectively used to deposit abluent and dust adsorption agent, make
Can easily make abluent or dust adsorption agent flow into felt layers with personnel, be carried out and dust removal process, prevent dust from descending slowly and lightly
In the air impact teachers and students' health.
Brief description
Fig. 1 is a kind of front view of dust suction blackboard eraser for environmental protection.
Fig. 2 is a kind of left view of dust suction blackboard eraser for environmental protection.
Fig. 3 is a kind of top view of dust suction blackboard eraser for environmental protection.
Fig. 4 is a kind of rearview of dust suction blackboard eraser for environmental protection.
Fig. 5 is a kind of right view of dust suction blackboard eraser for environmental protection.
Fig. 6 is the upward view of lower blackboard eraser.
Fig. 7 is a kind of sectional view of dust suction blackboard eraser for environmental protection.
Fig. 8 is a kind of sectional view of dust suction blackboard eraser for environmental protection.
1 felt layers；2 upper plates；3 lower plates；4 transverse slats；5 upper plenums；6 times cavitys；7 switch valve rod；8 collars；9 sealing rings；10
Capillary tube；11 seal pipes；12 first grooves；13 second grooves；14 inlets.
Specific embodiment
With reference to Fig. 1 to Fig. 8, the present invention is described in detail.
A kind of dust suction blackboard eraser for environmental protection, as shown in Figures 1 to 8, including blackboard eraser plate body and be fixed on blackboard eraser plate body bottom
Felt layers 1, described blackboard eraser plate body includes upper plate 2, lower plate 3 and around upper plate 2 and the lower plate side plate of 3 one weeks, described upper plate 2,
Lower plate 3 and side plate surround a liquid storage cylinder.Liquid storage intracavity is provided with transverse slat 4, transverse slat 4 by liquid storage cylinder be divided into upper plenum 5 and under
Cavity 6 two parts.The side wall of the side wall of described upper plenum 5 and lower cavity 6 is provided with inlet 14, is all provided with each inlet 14
It is equipped with sealing-plug.Upper plenum 5 and lower cavity 6 are respectively used to deposit abluent and dust adsorption agent.Described upper plate 2, transverse slat 4 and lower plate 3
It is respectively arranged with first through hole, the second through hole and third through-hole；Blackboard eraser plate body is additionally provided with switch valve rod 7, described switch valve rod 7
There are four, each switch valve rod 7 is provided with the collar 8 facilitating finger to stretch into；The forward upper of described side plate is provided with placement
First groove 12 of thumb, the upper back of described side plate is provided with four the second grooves 13, and four the second grooves 13 are used respectively
In placement forefinger, middle finger, the third finger and little finger of toe.When user of service uses, thumb be located at the first groove 12 in, forefinger, middle finger,
Nameless and little finger of toe is each passed through the collar 8 and is placed in the second groove 13.Described switch valve rod 7 is inserted from upper plate 2 top, wears
Cross first through hole and the second through hole, and insert in third through-hole.The bottom of described capillary tube 10 is provided with liquid outlet, liquid outlet
The ball valve that lower end lets the liquid out after being provided with extruding, described capillary tube 10 can be the structure of similar ball pen；Capillary
The upper end of pipe 10 is stretched in upper plenum 5, and the lower end of capillary tube 10 passes through transverse slat 4 and lower plate 3 and extends in felt layers 1.Described
Capillary tube 10 is rigid pipe, and the upper end of capillary tube 10 is concordant with the upper plane of transverse slat 4, and described capillary tube 10 has multiple, each capillary
Pipe 10 is vertically placed, and waveform is all lined up in the top and bottom of multiple capillary tube 10.
A kind of above-mentioned dust suction blackboard eraser for environmental protection, as shown in fig. 7, in order to prevent the liquid in upper plenum 5 from flowing into lower cavity 6
Or flow out from first through hole, be also prevented from liquid simultaneously and flow into upper plenum 5 from lower cavity 6, make following design: first through hole with open
Close between valve rod 7, between the second through hole and switch valve rod 7, be provided with sealing ring 9.
A kind of above-mentioned dust suction blackboard eraser for environmental protection, as shown in figure 8, in order to prevent the liquid in upper plenum 5 from flowing into lower cavity 6
Or flow out from first through hole, it is also prevented from liquid simultaneously and flows into upper plenum 5 from lower cavity 6, can also make following design: described the
It is additionally provided with seal pipe 11, switch valve rod 7 passes through seal pipe 11, switch valve rod 7 and seal pipe between one through hole and the second through hole
It is provided with sealing ring 9 between 11.
A kind of above-mentioned dust suction blackboard eraser for environmental protection, dust adsorption agent be located at overhead intracavity, described dust adsorption agent include alcoholic solution and
Herba Menthae extracting solution, the volume fraction of described alcoholic solution is 95%～99%, the volume fraction of described Herba Menthae extracting solution is 1%～
5%；Described Herba Menthae extracting solution is obtained by following steps, first, takes 30 weight portion fresh mint leaves to put in grinding vessel；
Then, 3 weight parts of calcium carbonate powder are added in grinding vessel；Subsequently, grind mentha leave in grinding vessel so as to grind
Fully；Finally, the material being ground is filtered through gauze, filter out Herba Menthae extracting solution.
A kind of above-mentioned dust suction blackboard eraser for environmental protection, abluent is located in lower cavity, and abluent is by sodium carbonate, sodium hydroxide
And alcoholic solution is mixed with, the addition of described sodium carbonate is 10g/l～30g/l, and the addition of sodium hydroxide is 5g/l
～15g/l；Described alcoholic solution is the mixed liquor by water and ethanol, and the volume fraction of ethanol is 10%～35%.
A kind of above-mentioned dust suction blackboard eraser for environmental protection, when user of service uses, can make switch valve rod by lifting finger
7 risings, the liquid in lower cavity 6 flows in felt layers 1.When user of service is erased the board by above-mentioned dust suction blackboard eraser for environmental protection
When, ball valve is squeezed power, and ball valve is opened, and the liquid in upper plenum 5 flows into felt layers 1.Upper plenum 5 and lower cavity 6 are used respectively
In depositing abluent and dust adsorption agent, abluent or dust adsorption agent flow into felt layers 1, are carried out and dust removal process, prevent dust from wafing
Fall impact teachers and students health in atmosphere.A kind of above-mentioned dust adsorption agent and abluent, described dust adsorption agent and abluent all include ethanol,
After user of service uses, ethanol can quickly volatilize, and then makes felt layers keep relatively dry；Described Herba Menthae extracting solution can
Neutralization chalk powder and other abnormal flavour；It is added with sodium carbonate and sodium hydroxide in described abluent, abluent can be made to have and remove
The effect of bacterium.
Certainly, described above is not limitation of the present invention, and the present invention is also not limited to the example above, and this technology is led
Change, remodeling, interpolation or replacement that the technical staff in domain is made in the essential scope of the present invention, also should belong to the present invention's
Protection domain.
Claims (9)
1. a kind of dust suction blackboard eraser for environmental protection is it is characterised in that include blackboard eraser plate body and the felt being fixed on blackboard eraser plate body bottom
Layer, described blackboard eraser plate body includes upper plate, lower plate and around upper plate and the lower plate side plate of a week, and described upper plate, lower plate and side plate enclose
Become a liquid storage cylinder；Liquid storage intracavity is provided with transverse slat, and liquid storage cylinder is divided into upper plenum and lower cavity two parts by transverse slat；Upper plenum
It is respectively used to deposit abluent and dust adsorption agent with lower cavity；Described upper plate, transverse slat and lower plate be respectively arranged with first through hole, second
Through hole and third through-hole；Blackboard eraser plate body is additionally provided with switch valve rod, and switch valve rod is inserted from upper plate top, through first through hole and
Second through hole, and insert in third through-hole；Described blackboard eraser plate body is additionally provided with capillary tube, and upper plenum is stretched in the upper end of capillary tube
Interior, the lower end of capillary tube passes through transverse slat and lower plate and extends in felt layers；The side wall of described upper plenum and the side wall of lower cavity
It is provided with inlet, at each inlet, be provided with sealing-plug.
2. as claimed in claim 1 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described first through hole and switch valve rod
Between, be provided with sealing ring between the second through hole and switch valve rod.
3. as claimed in claim 1 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described first through hole and the second through hole
Between be additionally provided with seal pipe, switch valve rod pass through seal pipe, be provided with sealing ring between switch valve rod and seal pipe.
4. a kind of dust suction blackboard eraser for environmental protection as described in claims 1 to 3 any one is it is characterised in that described switch valve
Bar has four, and each switch valve rod is provided with the collar facilitating finger to stretch into.
5. as claimed in claim 4 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described side plate forward upper setting
There is the first groove placing thumb, the upper back of described side plate is provided with four the second grooves, and four the second grooves are used respectively
In placement forefinger, middle finger, the third finger and little finger of toe.
6. a kind of dust suction blackboard eraser for environmental protection as described in claims 1 to 3 any one is it is characterised in that described capillary tube
Bottom be provided with liquid outlet, the ball valve that the lower end of liquid outlet lets the liquid out after being provided with extruding.
7. as claimed in claim 6 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described capillary tube is rigid pipe, hair
The upper end of tubule is concordant with the upper plane of transverse slat, and described capillary tube has multiple, and each capillary tube is vertically placed, and multiple capillary tube
Waveform is all lined up in top and bottom.
8. as claimed in claim 1 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described dust adsorption agent be located at upper plenum
Interior, dust adsorption agent includes alcoholic solution and Herba Menthae extracting solution, and the volume fraction of described alcoholic solution is 95%～99%, described Herba Menthae
The volume fraction of extracting solution is 1%～5%；Described Herba Menthae extracting solution is obtained by following steps, first, takes 30 weight portions new
Fresh mint leaf is put in grinding vessel；Then, 3 weight parts of calcium carbonate powder are added in grinding vessel；Subsequently, in dismembyator
Mentha leave is ground so as to grind fully in ware；Finally, the material being ground is filtered through gauze, filter out Herba Menthae extracting solution.
9. as claimed in claim 1 a kind of dust suction blackboard eraser for environmental protection it is characterised in that described abluent be located at lower cavity
Interior, abluent is mixed with by sodium carbonate, sodium hydroxide and alcoholic solution, the addition of described sodium carbonate be 10g/l～
30g/l, the addition of sodium hydroxide is 5g/l～15g/l；Described alcoholic solution is the mixed liquor by water and ethanol, the body of ethanol
Fraction is 10%～35%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747051.5A CN105216516B (en) | 2015-11-06 | 2015-11-06 | Dust-absorption environmental-protection type blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510747051.5A CN105216516B (en) | 2015-11-06 | 2015-11-06 | Dust-absorption environmental-protection type blackboard eraser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105216516A CN105216516A (en) | 2016-01-06 |
| CN105216516B true CN105216516B (en) | 2017-01-18 |
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ID=54985940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510747051.5A Expired - Fee Related CN105216516B (en) | 2015-11-06 | 2015-11-06 | Dust-absorption environmental-protection type blackboard eraser |
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| CN (1) | CN105216516B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110411179B (en) * | 2019-07-23 | 2020-12-22 | 安徽敬道生物科技有限公司 | Traditional chinese medicine processing drying equipment of thermally equivalent |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001246898A (en) * | 2000-03-03 | 2001-09-11 | Tsutomu Yuasa | Whiteboard eraser |
| CN200953927Y (en) * | 2006-09-26 | 2007-10-03 | 卢明华 | Improved structure of washing-clothes brush |
| CN201057859Y (en) * | 2007-07-02 | 2008-05-14 | 蒋小波 | Scrubbing brush |
| CN201154631Y (en) * | 2007-08-20 | 2008-11-26 | 董安洁 | White board eraser |
| CN203093539U (en) * | 2013-03-23 | 2013-07-31 | 张艳华 | Novel dust-free blackboard eraser for teaching |
| CN204586264U (en) * | 2015-04-15 | 2015-08-26 | 严慈 | A kind of dust-removing blackboard eraser |
| CN205086566U (en) * | 2015-11-06 | 2016-03-16 | 山东科技大学 | Dust absorption environment -friendly blackboard eraser |
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2015
- 2015-11-06 CN CN201510747051.5A patent/CN105216516B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105216516A (en) | 2016-01-06 |
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